48results about How to "Avoid working long hours" patented technology

The invention discloses a tunnel anti-icing composite plate based on a phase-change material. The tunnel anti-icing composite plate comprises an outer shell, a heat insulation layer, a phase change material heat storage module, a waterproof layer, a flow guide sheet and a wiring terminal, wherein heat stored in the phase change material heat storage module is released through the waterproof layer and the flow guide sheet so as to achieve the anti-icing and ice thawing effects. When the temperature of the phase change material is lower than a critical temperature T, a carbon fiber heating cable starts a heating mode; and the generated heat is directly transferred into the phase change material to realize phase change heat accumulation. The tunnel anti-icing composite plate has the advantages that the composite phase change material and the carbon fiber heating cable are combined; the intermittent heating, heat storage and ice thawing mode is realized; the initial cost and operation cost are reduced; and the anti-icing efficiency is improved. Meanwhile, the phase change material heat storage module, the waterproof layer, a heat insulation module and a system control module are combined and integrated; and the system structure is simplified, so that the installation is convenient, and the safety is improved.

The invention is suitable for the circuit board manufacturing technology field and discloses an aluminum-based flexible circuit board manufacturing method. The method comprises steps that a, an aluminum substrate is manufactured, including rough shape cutting, positioning hole drilling, aluminum-based groove milling, groove hole grinding, aluminum-based coarsening, PP rough shape cutting, stitching, PP film pasting and laser cutting; b, a flexible circuit board is manufactured, including rough shape cutting, inner layer film drying, inner layer exposure, inner layer AOI, inner layer graph, target practice, stripping, soft board coarsening, covering film windowing, positioning hole drilling, laser cutting, covering film stitching, browning, gold plating and plasma glue removing; and c, stitching is carried out. According to the method, the aluminum substrate and the flexible circuit board are combined through a prepreg, so the whole aluminum-based flexible circuit board has excellent heat radiation characteristics, electronic components on the aluminum-based flexible circuit board can be prevented from being exposed in the high temperature environment, and service life and reliability are improved.

The invention discloses a lifting mechanism and disinfection equipment. The lifting mechanism comprises a containing frame provided with containing space for containing to-be-disinfected objects, a base located below the containing frame, a first connecting rod assembly, a second connecting rod assembly, a locating part and a locking assembly. One end of the first connecting rod assembly is rotationally connected with the base, and the other end of the first connecting rod assembly is rotationally connected with the containing frame. The second connecting rod assembly is opposite to the firstconnecting rod assembly, one end of the second connecting rod assembly is rotationally connected with the base, and the other end of the second connecting rod assembly is rotationally connected with the containing frame so that the containing frame can ascend and descend along with swing of the first connecting rod assembly and the second connecting rod assembly. The locating part is arranged on the first connecting rod assembly and / or the second connecting rod assembly and is provided with a limiting structure. The locking assembly is arranged at the position, corresponding to the locating part, of the bottom of the containing frame. When the locating part deflects to the preset position relative to the containing frame along with swing of the first connecting rod assembly and / or the second connecting rod assembly, the locking assembly and the limiting structure are locked. According to the technical scheme, the stability of the lifting mechanism can be improved easily.

The invention discloses an electric system of an electric automobile, a control method and a vehicle. The electric system comprises a direct current source converter, the input end of the direct current source converter is connected between a power battery and a high voltage contactor through a switch module. The control method comprises the steps that battery state information of a low voltage storage battery is detected; and the switch module is selectively opened and closed according to the battery state information of the low voltage storage battery so as to control starting and stopping of the direct current source converter. The control method can effectively avoid the situation that the direct current source converter works for a long time and waste is generated due to the fact that the low voltage storage battery has no charging demand, and can further ensure that the low voltage storage battery has sufficient electricity under the power-on state of the vehicle.

The invention provides an automatic spline finding and press-assembling device for a CV joint of an automobile driving shaft. The automatic spline finding and press-assembling device comprises a press-assembling machine, wherein a press-assembling head is arranged on the press-assembling machine; a CV-joint placement table is arranged below the press-assembling head; a clamping device is arranged on the press-assembling head; a rotating device is arranged at the lower end of the CV-joint placement table; a rotating rod is arranged beside the rotating device; a pushing air cylinder is arranged at the left end of the rotating device; the rotating rod is pushed by the pushing air cylinder, and further the rotating device is driven to rotate left and right; and the rotating device is used for driving the CV joint placement table to rotate. The automatic spline finding and press-assembling device has the beneficial effects that the clamping device on the press-assembling head is used for clamping the driving shaft; the CV-joint placement table is used for placing a spline and rotates left and right through the rotating device arranged at the lower end of the CV-joint placement table so as to facilitate the insertion of the spline, thereby improving the working efficiency of press assembly; a rubber shell blocking plate is arranged and used for blocking a rubber shell on the driving shaft so as to facilitate the opening of the rubber shell when the spline is inserted; a rotation detecting device is arranged to avoid the long-time working of the pushing air cylinder; and the service life of equipment is prolonged.

The invention discloses a fabricated steel tube concrete beam-column joint connecting mechanism. The fabricated steel tube concrete beam-column joint connecting mechanism comprises a steel sleeve, a reinforcing ring, reinforcing ring connecting rib plates, upper and lower steel tube concrete columns, a connecting cover plate, an end bearing plate, a beam section, a long screw, a bolt and a groovesection. A steel partition plate and a rubber pad are arranged in the steel sleeve. The reinforcing ring is connected to the steel sleeve. The mechanism is simple in structure, stable in performance,wide in use range and suitable for beam-column joint connection of various fabricated steel tube concrete structures. The problem about connection between existing fabricated structure columns is solved, the bonding strength of the upper and lower steel tube columns is enhanced, the connecting stability of beams and columns is reinforced, the concept of strong columns and weak beams is basically achieved, and the whole structural system is more stable and safer.

The invention discloses a fuel cell system based on multi-sensing information and relates to the field of fuel cells. The fuel cell system comprises a proton exchange membrane fuel cell obtaining assisting system, i.e., a temperature regulator, a humidity regulator and a gas inlet pipeline temperature, humidity and gas pressure sensor of a working state of a compressor; the fuel cell system further comprises a limited area current and temperature detection sheet for obtaining current density and temperature information of two polar plates in a proton exchange membrane fuel cell stack; the fuelcell system based on the multi-sensing information comprises a vehicle-mounted proton exchange membrane fuel cell system, an intelligent communication system, a cloud computation system based on sharing information and a proton exchange membrane fuel cell state monitoring and abnormal state early warning system, and further comprises a signal amplification and processing module and a data receiving and storage module. By adopting the fuel cell system disclosed by the invention, the defects in the prior art that a state monitoring signal of a vehicle-mounted fuel cell is not accurate and the timeliness is not good are also overcome.

The invention relates to the technical field of a vehicle-mounted camera, in particular to a driver monitoring infrared camera device and an image brightness control method, comprising a processor unit and an infrared camera module. The infrared camera module comprises a power module, a lens, an image sensor, an image processing module, an LVDS serializer and a second coaxial connector connected in sequence, and an LED, an LED driving module, a second B2B connector and a first B2B connector connected in sequence. The second coaxial connector and the first B2B connector are powered by the powersupply module; The image processing module is respectively connected with the LED driving module and the first B2B connector. The second coaxial connector is connected to a first coaxial connector ofthe processor unit. The invention aims to provide a driver monitoring infrared camera device, which solves the technical problems that the existing infrared camera device has many wire harnesses, theinstallation position is difficult to confirm, the infrared LED module generates heat and the camera size is large.

A voltage indicating circuit comprises a triggering module and an indicating circuit. The triggering module is used for judging whether voltage is in a preset range, and outputting indicating signals when the input voltage is not in the preset range, and the indicating signals comprise undervoltage signals and overvoltage signals. The indicating circuit is used for indicating the out-of-scope voltage range according to the undervoltage signals or the overvoltage signals. In the voltage indicating circuit and a lamp with the voltage indicating circuit, whether the input voltage exceeds the preset range can be judged by the triggering module, if the input voltage exceeds the range, the out of scope range can be indicated, and power utilization devices can be prevented from working under the undervoltage or the overvoltage state for a long time.

The invention discloses a lifting mechanism and disinfection equipment. The lifting mechanism comprises a storing frame, a slide rail assembly, a first connection rod assembly, a second connection rodassembly, a locking assembly, a locking piece and an unlocking assembly; the storing frame is provided with a containing space used for storing to-be-disinfected objects; the slide rail assembly is connected with the storing frame, and the slide rail assembly is connected with a door plank of the disinfection equipment; the storing frame is enabled to ascend and descend along with swinging of thefirst connection rod assembly and the second connection rod assembly; when the storing frame is located at the highest position, the locking assembly and the locking piece cooperate to lock a first mounting plate and the first connection rod assembly, and / or, to lock a second mounting plate and the second connection rod assembly; and a releasing structure abuts against one side, back to a panel,of the locking assembly when the releasing structure is at the highest position of the storing frame, a driving structure drives the releasing structure to extrude the locking assembly so as to unlockthe locking assembly. The technical scheme of the invention is beneficial for conveniently unlocking the lifting mechanism.

The invention discloses a multi-application scene intelligent driving automobile radar mounting device, and relates to the technical field of intelligent driving automobile accessories, the multi-application scene intelligent driving automobile radar mounting device comprises a radar, an adjusting mechanism is arranged at the bottom of the radar, a cooling mechanism is arranged on the side surface of the adjusting mechanism, and a mounting mechanism is arranged at the bottom of the adjusting mechanism. The adjusting mechanism comprises an adjusting shell. Through cooperation of a first motor, a first bevel gear, a second bevel gear, a connecting rod, a third bevel gear, a fourth bevel gear and a second motor, the first motor is started, through continuous meshing of the first bevel gear and the second bevel gear, height adjustment is carried out by changing the deflection angle of the connecting rod, the second motor is started, and the height of the connecting rod is adjusted. And through continuous meshing of a third bevel gear and a fourth bevel gear, a rotating column rotates, the problem that a traditional mounting device cannot adjust the radar detection angle and height according to scenes is solved, and the effect of enlarging the application range is achieved.

The invention relates to the field of oil field oil sludge conveying, in particular to an oil field oil sludge conveying screw pump with an anti-blocking function. The technical problems that a screw pump is short in service life, poor in transportation efficiency and prone to blockage are solved. According to the technical scheme, the oil sludge conveying screw pump with the anti-blocking function for the oil field comprises a shell, a middle cabin, a stirring mechanism, a power mechanism, a sensing mechanism, an exhaust mechanism and a crumbling mechanism, the middle cabin is fixedly connected to the upper surface of the right portion of the shell, the stirring mechanism is arranged in the middle cabin, the power mechanism is arranged on the right portion of the shell, and the sensing mechanism is arranged on the upper surface of the shell. A sensing mechanism and an exhaust mechanism are arranged on the rear portion of the middle cabin, and a crumbling mechanism is fixedly connected to the lower portion of the middle cabin. The stirring mechanism stirs and pushes oil sludge, equipment blockage is avoided, meanwhile, the transportation efficiency of the equipment is improved, the service life of the equipment is prolonged through the crumbling mechanism, the sensing mechanism, the exhaust mechanism and the power mechanism work in a matched mode, the phenomenon of material breakage of the equipment is avoided, and long-time normal work of the equipment is achieved.

The invention discloses an air cooling type ultraviolet sterilizer. The ultraviolet sterilizer mainly comprises a metal barrel, a glass casing pipe, an ultraviolet luminophor, cooling fans and a control circuit. Combined switching on and off of each LED lamp strip and / or LED lamp bead on the ultraviolet luminophor can be realized under the control of the control circuit; meanwhile, the cooling fans are mounted at two ends of the metal barrel; besides, heat emitted by the LED lamp strips is timely conducted out by a cooling lamp holder. Through matched use of multiple cooling manners, the heatemitted by the LED-based ultraviolet luminophor can be timely emitted, the service life of the ultraviolet luminophor can be prolonged, by the aid of an overflowing type water circulating structure, heat produced by LEDs can be carried away, meanwhile, circulating water flow can reduce scaling, thus, the ultraviolet sterilizer adopting the ultraviolet LED lamps does not stay at the study stage andcan be successfully and actually used in production and life.

The invention provides a high-voltage LED light belt. The high-voltage LED light belt comprises an electric connector and a light belt body; an LED circuit is arranged in the light belt body; a rectifier and filter circuit is arranged in the electric connector and comprises a rectifier bridge and a filter capacitor; and the input ends of the rectifier bridge are connected with a mains supply, the output end of the rectifier bridge is connected with the filter capacitor, and the two ends of the filter capacitor form the output ends of the rectifier and filter circuit to be connected with the LED circuit. The high-voltage LED light belt is characterized in that the rectifier and filter circuit further comprises an NTC thermistor, and one of the input ends of the rectifier bridge is connected with the mains supply through the NTC thermistor. When the high-voltage LED light belt is just connected with the mains supply, the resistance value of the NTC thermistor is large, the voltage between the two ends of the filter capacitor is small, and sparks are avoided; and after an electric current flows into the filter capacitor for a period of time, the temperature is raised, the resistance value of the NTC thermistor is decreased, the voltage between the two ends of the filter capacitor is increased, and the LED circuit works normally.

The invention discloses a somatosensory illumination system which comprises a control device and a somatosensory illumination device mounted in each room, wherein a microprocessor and a power switch connected with the microprocessor are arranged in the control device; a controller, a power adjustment device and a luminous element which are serially connected in sequence and a plurality of infrared distance measurement sensors are arranged in each somatosensory illumination device; the infrared distance measurement sensors and the controller are all connected with the microprocessor of the control device through communication lines. The somatosensory illumination system can be used for automatically controlling the on and off states and the luminous intensity of the luminous element according to a person in the room, is convenient to use, avoids long-time working of the luminous element under the circumstance that no person is in the room, and saves electric energy; the use cost of the illumination system is reduced.

The invention discloses a somatosensory illumination system which comprises a control device and a somatosensory illumination device mounted in each room, wherein a microprocessor and a power switch connected with the microprocessor are arranged in the control device; a controller, a power adjustment device and a luminous element which are serially connected in sequence and a plurality of infrared distance measurement sensors are arranged in each somatosensory illumination device; the infrared distance measurement sensors and the controller are all connected with the microprocessor of the control device through communication lines. The somatosensory illumination system can be used for automatically controlling the on and off states and the luminous intensity of the luminous element according to a person in the room, is convenient to use, avoids long-time working of the luminous element under the circumstance that no person is in the room, and saves electric energy; the use cost of the illumination system is reduced.

The invention discloses a foundation bolt hot-dip galvanizing on-line automatic ash beating device which comprises a bottom plate. A movable guide rail is arranged on the bottom plate, a rack is arranged on the movable guide rail, a driving mechanism is arranged on the movable guide rail, the driving mechanism comprises a movable plate, a motor is arranged on the upper surface of the movable plate, a limiting device and a gear are arranged on the lower surface of the movable plate, the gear corresponds to the rack, and the limiting device prevents the driving mechanism from being separated from the movable guide rail; and a fixed frame is arranged on the movable plate and on one side of the motor, and an ash beating plate is arranged on the fixed frame. Operation procedures of workers beside a zinc pot are reduced, so that the risk of work is reduced (the zinc pot is in a high-temperature environment, and a certain amount of organic waste gas can be generated in a galvanizing process),meanwhile, the working intensity of the workers is reduced, the procedure is replaced by a machine, the automation degree is high, and the galvanizing efficiency is improved.

The invention discloses an energy-saving and environment-friendly plastic extruding machine which comprises a plastic extruding machine body. The plastic extruding machine body is installed on a workbench, a containing cavity is formed in the plastic extruding machine body, a screw rod is installed in the containing cavity, an electromagnetic induction heating ring is wound on the outer wall of the containing cavity, a plastic extruding machine head is connected to the right side of the plastic extruding machine body in a penetrating manner, high silica cotton is wrapped on the plastic extruding machine head, an electric case is installed on the left side of the plastic extruding machine body, a first cavity is formed below the containing cavity, a second cavity is formed above the containing cavity, the left side wall of the first cavity is in through connection with the left side wall of the second cavity through a connecting pipe, a feeding funnel is in through connection with the left side of the upper end face of the plastic extruding machine body, a vacuum pump is installed on one side of the feeding funnel, one end of the vacuum pump is in through connection with the secondcavity through a second connecting pipe, and an electric air valve is installed on the second connecting pipe. The plastic extruding machine is compact in structure and convenient to use.

The embodiment of the invention provides a polling environment control method and system, electronic equipment and a storage medium, and relates to the technical field of equipment automatic control. The method comprises the steps of receiving unit operation state data; screening out non-running units based on the running state data; performing timing polling and fault polling on the unoperated units to determine polling starting units; based on the polling starting unit, the unit in the running state is alternated, a timing polling and fault polling mechanism is set, running equipment is automatically alternated, the same equipment is prevented from working for a long time, and it is guaranteed that the system stably runs throughout the year; the problems that the service life is shortened due to long-time work of a certain device in an existing system, and the system is shut down due to faults are solved.

The invention relates to the technical field of capacitive touch screens, and discloses a capacitive touch screen convenient to use. The capacitive touch screen includes a bottom plate, and a shell isarranged on the outer surface of the upper end of the bottom plate. A screen protection shell is arranged on the outer surface of the upper end of the shell. A touch display screen is arranged on theouter surface of the front portion of the screen protection shell. A printing device is arranged on the outer surface of the front end of the shell. A bill outlet is formed in the outer surface of the front end of the shell; a placement groove is formed in the outer surface of the side end of the screen protection shell, a first clamping groove is formed in the outer surface of the front end of the placement groove, a second clamping groove is formed in the lower end of the first clamping groove, a main point touch pen is arranged at the upper end of the first clamping groove, and a rotatingshaft is arranged on the outer surface of the upper end of the shell. The capacitive touch screen convenient to use has the characteristics that the capacitive touch screen can be flexibly adjusted, the user experience is improved, the operation is simple, the use is convenient, the dust is prevented, the space is saved, the disassembly and the maintenance are convenient, the connectivity is strong, and the like.

The invention discloses a technology and a method for multi-kind bolt die production equipment. A movable die fixing plate is included. The upper surface of the movable die fixing plate is fixedly connected with a fixing device. One side of the fixing device is fixedly connected with a push rod, and the other side of the fixing device is connected with a return rod. The return rod and the push rodare connected together through the fixing device and a fixing plate. The center of the fixing plate and the center of the push rod are connected with a movable die. The upper surface of the movable die and a pouring gate cutter are connected together. An inner cavity of the pouring gate cutter and a movable die assembly are connected. The upper portion of the movable die assembly and a die deviceare fixedly connected. The upper surface of the die device and a cutter return block are connected together. The upper portion of the cutter return block is fixedly connected with a piece pushing plate. According to the technology and the method for the multi-kind bolt die production equipment, rapid production can be achieved, novelty is high, the efficiency of the technology and the method is high, usage is convenient, flexibility is high, functions are complete, and practicability is high.

The invention discloses a lifting mechanism and disinfection equipment. The lifting mechanism comprises a placement rack, a sliding rail component, a first installation plate, a second installation plate, a first fixing side plate, a second fixing side plate, a first connecting rod component, a second connecting rod component, a locking component and a locking element, wherein the placement rack is provided with a containing space for placing an article to be disinfected; the sliding rail component comprises a first sliding rail and a second sliding rail, wherein the first sliding rail and thesecond sliding rail are arranged in parallel; the placement rack and the sliding rail component are connected, and the sliding rail component is connected with a door plank of the disinfection equipment; the placement rack lifts along with the swinging of the first connecting rod component and the second connecting rod component; the locking element is arranged on the first connecting rod component and / or second connecting rod component by corresponding to the locking component; when the placement rack is positioned on a highest position, the locking component and the locking element are cooperated to lock the first installation plate and the first connecting rod component and / or lock the second installation plate and the second connecting rod component. The technical scheme of the invention is favorable for improving the stability of the lifting mechanism.

The invention provides a non-negative-pressure automatic variable-frequency water supply device which comprises a tap water pipeline network, a current stabilizing compensation tank, water pumps and a household pipeline network. A water outlet of the tap water pipeline network is connected with a water inlet of the current stabilizing compensation tank, and a water outlet of the current stabilizing compensation tank is connected with the household pipeline network through the water pumps. The water supply device further comprises a controller and a pressure detection device arranged on the household pipeline network and used for detecting real-time water pressure. A pressure threshold is set in the controller and used for being compared with the real-time water pressure. The controller is used for carrying out variable-frequency adjustment on the rotation speed of the water pumps according to the real-time water pressure. A vacuum suppressor is arranged on the upper portion of the current stabilizing compensation tank and used for eliminating negative pressure generated by work of the water pumps. According to the water consumption and the change of the water pressure, the water supply device can automatically change the rotation speed of the water pumps to keep the water pressure constant and meet the water use requirement. The structure is simple energy is saved according to requirements, one water pump is prevented from being in the work state or non-work state for a long time by controlling switches of different water pumps, and the service life of the water pumps is guaranteed.

The invention discloses a building asynchronous motor starting locked-rotor fault processing circuit comprising an asynchronous motor (1) which is connected with a voltage and current detection circuit (2). The output end of the voltage and current detection circuit (2) is sequentially connected with a direct current blocking and passing capacitor (3), a threshold comparator (4), a charging and discharging circuit module (54), a Schmitt trigger (5), a first AND gate (6) and a fault latching and processing trigger (7), and the first AND gate (6) is provided with a starting timing circuit module (8) connected with the charging and discharging circuit module (54). The output end of the fault latching and processing trigger (7) is connected with an isolation driving circuit (9); the isolation driving circuit (9) is connected with a KM coil (10) connected with the asynchronous motor (1); according to the invention, the locked-rotor fault in the starting stage of the motor can be detected and power-off protection is carried out, so that the operation safety and service life of the asynchronous motor are improved.

The invention relates to an upper cover opening device with the protection function and an impact crusher provided with the upper cover opening device. The upper cover opening device comprises a hydraulic cylinder, a lead screw device and a limiting stopper. The two ends of the hydraulic cylinder are connected to the upper cover opening device body and an upper cover respectively, the hydraulic cylinder comprises a piston rod and a cylinder body, the fixed end of the limiting stopper is connected to the piston rod, the limiting end of the limiting stopper is located above the cylinder body, the lead screw device is located between the hydraulic cylinder and the limiting stopper and comprises a polished rod, a nut and a screw, a first end of the polished rod is connected with the cylinder body, a second end of the polished rod is connected with a first end of the nut, a second end of the nut is connected with a first end of the screw, and a second end of the screw is connected with the piston rod. The upper cover opening device is mainly used for opening the upper cover of the impact crusher and bringing convenience to opening of the upper cover. When the interior of the impact crusher is maintained, the upper cover opening device can shorten maintenance time, make maintenance work easy and convenient and save production cost at the same time.

The present invention relates to an intelligent RF matched muck dumping control method based on fully closed dump trucks. Based on the characteristics of the fully closed vehicle of an existing dump truck, the RF matching communication technology is introduced, combined with a newly designed control strategy, with the shortest time that the fully closed dump trucks drive to a designated muck dumping point as a basis, the starting and stopping of first RF modules in the fully closed dump trucks are intelligently controlled, the intelligent signal matching with the second RF module arranged at the designated muck dumping point is realized, thus the fully closed dump trucks dump muck at the designated muck dumping point, while the random dumping of muck is avoided, the long time working of the first RF modules in the fully closed dump trucks is effectively avoided, on one hand, the service life of the RF module is ensured, on the other hand the threat of the health of vehicle occupants by the long time working of an RF signal is avoided.

The invention relates to an upper cover opening device with the protection function and an impact crusher provided with the upper cover opening device. The upper cover opening device comprises a hydraulic cylinder, a lead screw device and a limiting stopper. The two ends of the hydraulic cylinder are connected to the upper cover opening device body and an upper cover respectively, the hydraulic cylinder comprises a piston rod and a cylinder body, the fixed end of the limiting stopper is connected to the piston rod, the limiting end of the limiting stopper is located above the cylinder body, the lead screw device is located between the hydraulic cylinder and the limiting stopper and comprises a polished rod, a nut and a screw, a first end of the polished rod is connected with the cylinder body, a second end of the polished rod is connected with a first end of the nut, a second end of the nut is connected with a first end of the screw, and a second end of the screw is connected with the piston rod. The upper cover opening device is mainly used for opening the upper cover of the impact crusher and bringing convenience to opening of the upper cover. When the interior of the impact crusher is maintained, the upper cover opening device can shorten maintenance time, make maintenance work easy and convenient and save production cost at the same time.

The invention relates to a method and device for detecting resolution ratio of printed matter. The method comprises the steps: acquiring a sample image of a to-be-detected sample, and converting the sample image into a gray level image, wherein the gray level image comprises boundary features of the to-be-detected sample; extracting a boundary inclination angle of the boundary feature from the grayscale image; obtaining the number of pixel points between a first gray threshold region and a second gray threshold region in the boundary feature; and obtaining the resolution of the to-be-detected sample according to the boundary inclination angle, the number of the pixel points and preset parameters. According to the method, the boundary inclination angle of the boundary feature of the to-be-detected sample and the number of the pixel points between the first gray threshold region and the second gray threshold region in the boundary feature are obtained, and the preset parameter is combined to finally obtain the resolution of the to-be-detected sample, so that the resolution detection does not need to be carried out by naked eyes, and the detection efficiency is improved.

The invention discloses a non-stop replacement device and method for dry-process desulfurization and denitrification catalysts, belonging to the technical field of catalyst replacement, including a guide mechanism, a catalyst filling tank, a baffle and a filling system. The filling system is connected with the guide mechanism. The guide mechanism is located inside the catalyst filling tank, and the upper and lower ends of the catalyst filling tank are equipped with baffles; the catalyst filling tank includes an upper grid plate, a mounting ring, a sealing ring, a lower grid plate and a partition, and The upper end of the ring is equipped with an upper grid plate, the lower end is equipped with a lower grid plate, a partition is provided between the lower grid plate and the upper grid plate, and a sealing ring is provided outside the installation ring; the replacement of the catalyst is realized without stopping the machine. , does not affect the normal operation of the desulfurization and denitrification equipment, avoids the tediousness of manually dismantling the internal parts of the reactor and filling the catalyst, avoids personnel working for a long time in a limited space, improves the safety in the process of replacing the catalyst, and replaces quickly and the replacement cycle is short .

The invention discloses a tunnel anti-icing composite plate based on a phase-change material. The tunnel anti-icing composite plate comprises an outer shell, a heat insulation layer, a phase change material heat storage module, a waterproof layer, a flow guide sheet and a wiring terminal, wherein heat stored in the phase change material heat storage module is released through the waterproof layer and the flow guide sheet so as to achieve the anti-icing and ice thawing effects. When the temperature of the phase change material is lower than a critical temperature T, a carbon fiber heating cable starts a heating mode; and the generated heat is directly transferred into the phase change material to realize phase change heat accumulation. The tunnel anti-icing composite plate has the advantages that the composite phase change material and the carbon fiber heating cable are combined; the intermittent heating, heat storage and ice thawing mode is realized; the initial cost and operation cost are reduced; and the anti-icing efficiency is improved. Meanwhile, the phase change material heat storage module, the waterproof layer, a heat insulation module and a system control module are combined and integrated; and the system structure is simplified, so that the installation is convenient, and the safety is improved.