2232 results about "Hot plate" patented technology

The invention belongs to the technical field of battery maintenance, and discloses a new energy automobile battery maintenance device which comprises a base, mounting grooves are formed in the upper surface of the base at equal intervals, clamping grooves are symmetrically formed in the front side and the rear side of the bottom of each mounting groove, a mounting shell is fixedly mounted on the upper surface of the base, and a plurality of guide grooves are formed in the upper surface of the mounting shell at equal intervals. Side grooves are symmetrically formed in the side faces of the guide groove, and electric heating plates fixedly sleeve the middles of the front side groove and the rear side groove. Mercury in the telescopic sleeve is heated to expand, so that the expanded mercury in the telescopic sleeve pushes the telescopic end of the telescopic sleeve to move upwards, the telescopic end of the telescopic sleeve drives the heat conducting plate to move upwards through the electric plate to be in contact with the heat dissipation plate, and at the moment, the heat dissipation plate dissipates heat of the battery through the sleeve column and the heat conducting plate; therefore, the problems that the charging and discharging efficiency of the battery is low and the service life is shortened when the battery works in a high-temperature or low-temperature environment are solved.

The invention discloses a manufacturing process of a wafer heating plate, and relates to the technical field of PECVD (Plasma Enhanced Chemical Vapor Deposition) equipment manufacturing. Comprising the steps that a containing groove is formed in the bottom of a hot plate top shell; a heating pipe body is adopted to coil a resistance heating structure, the resistance heating structure comprises a heating disc and a lead pipe, and a resistance wire is arranged in the heating disc; a resistance wire is arranged in the lead tube; the K couple is assembled in the hot plate top shell and used for measuring the temperature of the hot plate top shell; a heating disc of a resistance heating structure is placed in the containing groove, a gap between the heating disc and the containing groove is filled with aluminum powder, and vacuum brazing welding is carried out; the hot plate bottom shell is welded to the bottom of the hot plate top shell, and the lead pipe penetrates out of a first through hole of the hot plate bottom shell. The hot plate neck shell is connected to the lower portion of the hot plate bottom shell, the hot plate neck shell is provided with a second through hole which is formed in a penetrating mode, and the second through hole is communicated with the first through hole. According to the heating disc manufactured by the process, each wafer can be uniformly and stably heated through reasonable layout and an optimized resistance heating structure.

The invention discloses a bolt heat treatment device and technology, and relates to the technical field of heat treatment devices.The bolt heat treatment device comprises a heat treatment box, two bidirectional driving rods are symmetrically arranged on the inner wall of the heat treatment box, and two heat insulation plates are arranged between the two bidirectional driving rods in a threaded sleeving mode; the two heat insulation plates are movably inserted into the left side and the right side of the heat treatment box correspondingly. When a bolt frame moves, a guide rod slides along the inner wall of a guide groove, so that the bolt frame is promoted to shake left and right, bolts are promoted to shake to shake off chippings on the surfaces of the bolts, meanwhile, the shaken chippings are collected through a heat insulation plate, and the possibility that the chippings influence the heat treatment effect of the bolts is reduced; through the toothed plate piece, the bidirectional driving rod is conveniently driven to rotate, the heat insulation plate is promoted to move, and therefore the heat treatment box is promoted to be opened, the bolt frame moves downwards to the position below the heat insulation plate, the heat insulation plate is reset along with continuous movement of the toothed plate piece, and therefore the heat treatment box is sealed, and the possibility of heat loss is reduced.

A polyimide film bonding method according to an embodiment may include: bonding two polyimide films to each other by bringing a hot plate into contact with a portion where the two polyimide films are superposed. A heating temperature by the contact with the hot plate is 450° C. or higher. A contact time between the polyimide films and the hot plate is 12 seconds or less. A polyimide film bonding method according to another embodiment may include: bonding two polyimide films to each other by irradiating, with a laser beam, a portion where the two polyimide films are superposed. A top surface of the superposed polyimide films is irradiated with the laser beam while a bottom surface of the superposed polyimide films is kept tightly attached to a heat insulator.

The invention relates to the technical field of distributed control, in particular to an automatic control system and process for a corrugated carton production process, and the system comprises a body paper state online monitoring module which is used for collecting body paper humidity, preheating temperature and paperboard tension values in real time at a preheater node, combining the values into a multi-dimensional input data stream, establishing an initial working condition state vector, and outputting the initial working condition state vector; and calculating a deviation value between each parameter in the initial working condition state vector and a standard set value, and generating an upstream disturbance feature set. According to the method, the predicted value is compared with the control threshold value, the adjustment amount of the steam pressure or the production line speed of a plurality of downstream hot plate areas can be calculated, a distributed and feed-forward compensation instruction is generated, and the closed loop from source disturbance monitoring to future state multi-dimensional prediction to downstream multi-point cooperative compensation is more accurate. The suppression of production disturbance is realized, the control precision and response speed of quality fluctuation are improved, and the rejection rate caused by quality problems is reduced.

The invention discloses a rubber tire vulcanization molding process of an electromagnetic heating gas medium, which comprises the following steps: electromagnetic heating, a heat transfer medium and cyclic utilization of the gas medium, especially carbon dioxide gas; comprising the steps that a rubber tire blank is placed in a mold cavity of a mold wrapped by a lower hot plate, an upper hot plate and a mold sleeve, and a curing bladder formed by the rubber tire extends into a rubber tire blank ring; carbon dioxide gas is heated through the gas medium heating assembly to form a high-temperature carbon dioxide gas medium, an outer temperature heating cycle is established on the outer side of the rubber tire blank, and an inner temperature heating cycle is established on the inner side of the rubber tire blank; cooling and shaping after the vulcanization molding process requirement is met; and vacuumizing the curing bladder, opening the mold, and taking out the tire. According to the method, water is not needed, fossil energy such as coal and natural gas does not need to be consumed, generation of waste gas in the vulcanization process is greatly reduced, carbon dioxide gas which is not flammable, explosive and corrosion-free and has a high specific hot melting value is adopted as a heat transfer medium, recycling is achieved, and real energy conservation and environmental protection are achieved.

The invention discloses a vein-shaped composite bionic micro-channel radiator with petal-shaped fins, relates to the technical field of radiators, and solves the problems that the temperature uniformity of a radiating area of a micro-channel radiator is poor, and extra pumping work consumption is caused. A first-stage vein flow channel is arranged in the center of a micro-channel heat sink, and a hot plate is arranged at the bottom of the micro-channel heat sink; the micro-channel heat sink comprises two first heat sinks and two second heat sinks, and the second heat sinks and the first heat sinks are in mirror symmetry. A plurality of second-level vein runners, a plurality of third-level vein runners and a plurality of fin arrays are arranged in the first heat sink, and the second-level vein runners are obliquely arranged and communicate with the first-level vein runners; the plurality of third-stage vein runners are arranged among the second-stage vein runners at equal intervals; the fin array is arranged at the tail end in the second-stage vein flow channel; the fin array comprises two fins, and the fins are arc-shaped plates. The invention has the characteristics of high heat dissipation efficiency, good temperature uniformity, low flow resistance and small pressure drop, thereby ensuring efficient and stable operation of high-power micro devices.

The invention discloses a temperature measuring device for tire vulcanization and a tire mold, and belongs to the technical field of tire vulcanization equipment.The temperature measuring device comprises an upper side plate, a lower side plate and a temperature measuring device, a first through hole is formed in the upper cover; the first temperature transmission assembly is arranged in the first through hole and comprises a first connecting part and a plurality of first transmission belts; the first connecting part is positioned on the upper surface of the upper cover; a second through hole is formed in the upper hot plate; the second temperature transmission assembly is arranged in the second through hole and comprises a second connecting part and a plurality of second transmission belts, and when the upper hot plate is pressed on the upper cover, the first transmission belts are connected with the second transmission belts; the first connecting part protrudes out of the upper surface of the upper cover and / or the second connecting part protrudes out of the lower surface of the upper hot plate, a pressing part is arranged on the first temperature transmission assembly and / or the second temperature transmission assembly, and the pressing part comprises an elastic piece; the first temperature transmission assembly and the second temperature transmission assembly can be accurately connected in a butt joint mode through the first connecting part and the second connecting part, and it is guaranteed that output temperature information is accurate.

The utility model discloses a drying device for glitter powder production, and relates to the field of drying devices. Comprising a base, a supporting frame is arranged on the top wall of the base, a heat preservation tank is arranged on the left side wall of the supporting frame, an electric heating plate is arranged on the bottom wall of the heat preservation tank, a sliding groove is formed in the top wall of an inner cavity of the supporting frame, and adjusting screw rods are arranged on the left side wall and the right side wall of an inner cavity of the sliding groove; according to the scheme, the base, the supporting frame, the heat preservation tank and other devices are arranged to be matched, glitter powder can be turned and stirred conveniently through the device, the phenomenon that the glitter powder is stacked and adheres is avoided, follow-up glitter powder discharging operation is facilitated, and the discharging speed is increased; and through cooperation of a rotating rod, scattering blades, a gear and other devices, the glitter powder can be conveniently kept loose through the device, drying is facilitated, uniform heating of the glitter powder is facilitated, and the drying efficiency is improved.

According to the multi-path cooling control method for the non-adjustable flow of the cooling spray box after hot plate rolling, the mode that an annular rail is combined with a trolley is adopted, the trolley bears a sample through a sample bearing table to do annular motion, the annular rail is an oval rail comprising two parallel linear segments and two semicircular segments, and at least one cooling spray box is arranged along the linear segment rail; the cooling area can be infinitely lengthened at any workpiece speed; according to the cooling starting temperature, the water cooling speed, the cooling stopping temperature, the cooling stopping time between the cooling areas and the production line cooling spray box layout of the N cooling areas determined by the experiment, the experiment device is configured according to different spray box opening modes, the cooling experiment is carried out, and spray box opening mode parameters corresponding to the optimal cooling speed of the N cooling areas are obtained; carrying out cooling control after rolling on corresponding sample production; besides, the method is implemented under the condition basically consistent with the actual working condition of the production line, so that the product design output and the production line process control are more accurate and efficient, the product research and development speed can be effectively increased, the process control precision is improved, and the production line trial-manufacturing cost is reduced.

The utility model discloses preserved meat packaging and film covering equipment which comprises a box body, a plurality of carrying frames are transversely connected in the box body in a sliding mode, the two sides of each carrying frame are connected with driving mechanisms arranged in the side walls of the box body, a plurality of clamping columns are longitudinally connected between frame plates on the two sides of each carrying frame in a sliding mode, and electric heating plates are arranged on the opposite faces between the clamping columns. The outer end face of the clamping column on the outermost side is longitudinally connected with the output end of a pushing air cylinder on the carrying frame, an evacuating cover matched with the opening of the box body is arranged above the opening of the box body, and a plurality of sealing mechanisms are longitudinally arranged in the evacuating cover and located between every two adjacent carrying frames; according to the equipment, a folded thermal shrinkage film can be clamped through cooperation of the clamping columns, the thermal shrinkage film is subjected to thermal sealing to form mutually independent small bags, then the distance between the carrying frames is shrunk through the driving mechanism, the small bags are extruded open for bacon bagging, finally, the small bags are vacuumized and sealed through the closed vacuumizing cover, the labor cost in the bacon packaging process is reduced, and the production efficiency is improved.

The present invention relates to the technical field of indirect evaporative coolers, and specifically discloses an indirect evaporative cooler, including a heat exchanger and a spray water rack, wherein the bottom end of the heat exchanger is set as a secondary air inlet, the top end of the heat exchanger is set as a secondary air outlet, the rear end of the heat exchanger is set as a primary air inlet, and the front end of the heat exchanger is set as a primary air outlet, and the secondary air inlet is connected to the secondary air outlet, and the primary air inlet is connected to the primary air outlet. After condensed water is attached to the heat exchange plate, the humidity of the air discharged from the primary air outlet will increase, and the humidity in the dry channel is monitored by a humidity monitoring module. When the humidity reaches a preset value, the driving module drives the linkage module and the condensed water elimination module to move, so as to scrape off the condensed water attached to the heat exchange plate, and guide the scraped and left condensed water into the receiving box through the circulation slot through the inclined plate member, and discharge the collected water through the drainage pipe member.

The invention discloses a construction method for a secondary lining concrete heat insulation layer of a portal section in an alpine region, and relates to the technical field of civil engineering in cold regions, the construction method comprises the following steps: S1, deashing and decontaminating the surface of a secondary lining; s2, a U-shaped component is installed; s3, the electric heating plate is fixed through a wing plate of the U-shaped component, and then a heat preservation plate is installed; S4, an air channel is formed in the heat preservation layer, a monitoring assembly is installed in the air channel, and then a temperature collecting assembly and a control assembly are installed in the hole; the monitoring assembly is used for collecting the flowing direction of gas in the gas channel, and the control assembly judges the position where the temperature difference occurs in the heat preservation layer according to the gas flowing scheme, controls the temperature collection assembly to conduct temperature collection on the position where the temperature difference occurs, obtains a set of temperature information and selects the maximum value in the set of temperature information as a standard value. And then the electric heating plate is controlled to work according to the temperature information until the temperature information of the position where the temperature difference occurs reaches the standard value, and automatic heating of the secondary lining is achieved.

The invention discloses a Joule hot plate type electrically driven reactor which comprises a plate type structure metal shell, one end of the plate type structure metal shell is provided with a gas inlet, and the other end of the plate type structure metal shell is provided with a gas outlet. A baffle, a porous gas distribution plate and an integral electric heating alloy channel assembly are sequentially arranged in the plate-type structure metal shell from the gas inlet to the gas outlet, the integral electric heating alloy channel assembly is filled with a particle catalyst, and a drainage conductor is further arranged on the outer wall of the plate-type structure metal shell. The invention also discloses an application of the Joule hot plate type electrically driven reactor in an endothermic reaction system. The integral electric heating alloy channel assembly is adopted, Joule heat is directly generated through electrification, heat is evenly distributed on the catalyst filling layer, quick response and efficient heat transfer are achieved, and the problem of heat loss in a traditional outer wall heating mode is solved.

The invention discloses a hot plate control method and device based on wafer processing, and the method comprises the following steps: A, placing a wafer on a cooling conveying plate through a mechanical arm, and enabling a first telescoping cylinder to drive a plurality of first PINs to rise through a connecting plate; b, a second telescopic cylinder drives a second PIN needle to ascend, the second PIN needle jacks up the wafer, and a moving assembly drives the second PIN needle to move so as to feed the wafer onto the first PIN needle; c, the first PIN drives the wafer to descend, the wafer is located at the first height position, the hot plate upper cover descends, and the heating core works to heat the wafer at the first temperature; according to the invention, heat treatment at multiple temperatures can be conveniently carried out on the wafer, the problems that each hot plate can only carry out one-temperature treatment, time and labor are wasted and the efficiency is low are avoided, different distances between the wafer and the hot plates can be well utilized, so that the wafer can be heated at different temperatures, the structure is simple, the operation is simple and convenient, and the practicability of the device is improved.

The utility model discloses an injection machine with intelligent temperature control and precise positioning functions. The injection machine comprises a plasticizing injection system, a mold locking system, a driving system and a heating and cooling system, the plasticizing injection system comprises a plasticizing device and an injection device; the plasticizing device comprises a plasticizing charging barrel and a sleeved variable-pitch plasticizing screw rod mounted in the plasticizing charging barrel; the injection device comprises a syringe, a multi-injection-hole upper hot plate and a multi-injection-hole lower hot plate; the mold locking system comprises an electric control sliding positioning device and a belt positioning moving plate; the driving system comprises a hydraulic device driven by hydraulic oil in an oil path pipeline; and the heating and cooling system comprises a cooling system, a cooling pipeline and an electric control screw rod temperature control device.

The invention relates to glue uniformizing equipment capable of shortening wafer transmission time, which belongs to the technical field of semiconductor manufacturing equipment and comprises a rack, a box station unit, a box station robot, a process processing unit, a glue uniformizing unit and a process robot. The box station unit, the box station robot, the process treatment units and the glue uniformizing unit are sequentially arranged, each process treatment unit comprises a cold disc unit, a hot disc unit and a centering unit, a middle area is formed between the cold disc unit and the hot disc unit, and the box station robot and the process robots are at least partially arranged in front of and behind the middle area; and the box station robot and the process robot only rotate and lift to transfer the wafer. According to the invention, the working efficiency of the box station robot and the process robot can be brought into full play, the production flow of the whole wafer glue uniformizing process is accelerated, and the working efficiency of the wafer glue uniformizing equipment is improved.

The utility model discloses a false scalding prevention device for cigarette cartons, and relates to the technical field of cigarette carton production. According to the technical key points, the device comprises a bottom plate, an air groove is formed in the bottom plate, a heating mechanism is arranged at the bottom of the bottom plate, an ironing plate mechanism is arranged at the bottom of the heating mechanism, the heating mechanism comprises a connecting screw rod, the lower end of the connecting screw rod is in threaded connection with a heat conduction plate, and a heating plate is fixedly installed in the center of an inner cavity of the heat conduction plate; according to the technical scheme, the temperature sensors are used for monitoring the temperature of different positions of the heat conduction plate, data are fed back to a control system, the real-time vehicle speed and the preset temperature value are combined, and the temperature of the heat conduction plate is controlled to be constant. It is ensured that the flexible ironing plate is kept in the optimal working temperature interval, the accuracy and stability of temperature control are improved, and the false ironing problem caused by inaccurate temperature control and uneven heating time of a traditional beautifying device is solved.

A thermal insulation performance testing device of a thermal insulation material comprises a heat flow meter, a cold plate, a hot plate, a temperature control system and a data acquisition system. The micro thermopile heat flow meter accurately detects the heat flow change of a sample in real time through an array thermocouple sensor, and provides heat flow data with high sensitivity and quick response. The temperature control system monitors the environment temperature, and the stability in the testing process is ensured. And the data acquisition system records the detection result in real time and optimizes the whole detection process through intelligent control. The automatic design in the embodiment enables the equipment to realize efficient batch detection, reduces manual intervention, improves the working efficiency and testing precision of a production line, and is suitable for testing the heat conductivity and heat flow performance of the thermal insulation material in large-scale industrial production.

The invention provides a method for optimizing a NiCr alloy resistance temperature coefficient, which comprises the following steps of: producing by adopting a thin film process, selecting an insulating substrate with a certain thickness, firstly entering a metallization process, preparing a series of NiCr alloy thin film samples by adding a certain amount of doping gas and changing the content of argon in the NiCr metallization process, and then carrying out photoetching on the NiCr alloy thin film samples in a photoetching process to obtain the NiCr alloy resistance temperature coefficient. The method comprises the following steps: photoetching an electrode pattern by using a photoetching plate, carrying out secondary photoetching after an etching process to obtain a resistor pattern, carrying out thermal annealing on an insulating substrate engraved with the pattern under a vacuum condition at a certain temperature for a period of time, and after thermal annealing treatment, placing a test article in a hot plate to carry out resistance test at different temperatures. And finally, the metal film resistors prepared under different argon contents are used at different temperatures, TCR is calculated and compared to obtain the optimized NiCr alloy film resistor, the NiCr film is deposited on the insulating substrate by adjusting the argon content, and the resistance temperature coefficient of the NiCr film can be further optimized on the existing performance.

The invention belongs to the related technical field of phase change heat transfer, and discloses an ultra-thin vapor chamber, a preparation method thereof and electronic equipment, and the ultra-thin vapor chamber is characterized in that a first accommodating groove is formed in one side of an upper cover plate, and a second accommodating groove is formed in one side of a lower cover plate; a plurality of first cylinders are arranged in the first area in an array mode in the first containing groove, and vapor-liquid different-face type liquid absorbing cores are arranged at the positions, corresponding to the first cylinders, in the second containing groove; the interior of the first containing groove and the interior of the second containing groove are respectively provided with supporting column structures which correspond to each other up and down in the second area. A plurality of gap areas are arranged in the supporting column structure, and any gap area is provided with a vapor-liquid coplanar wick. The vapor-liquid different-plane structure and the vapor-liquid coplanar structure are comprehensively utilized, the phase change heat transfer heat resistance is reduced due to the large contact area of the vapor-liquid different planes, the vapor flow resistance of the heat insulation section is reduced due to vapor-liquid coplane, and the heat dissipation capacity of the ultrathin vapor chamber can be improved under the condition that the thickness of the inner cavity is extremely small.

The invention relates to the technical field of rainwater recycling, in particular to a road accumulated water removing device, and aims to solve the problems that an existing water pump cannot completely collect rainwater, residual rainwater needs to be removed and recycled manually, and the accumulated water removing and recycling efficiency is reduced. By starting a motor A, a threaded rod drives an extrusion assembly to move, the extrusion assembly drives accumulated water to move to the position under a pipe opening, water pumping of a water pumping pipe is matched, the water pumping pipe can pump the accumulated water, and along with movement of the extrusion assembly, water around a shell is pumped into the shell due to negative pressure; when the water pumping pipe cannot pump the accumulated water, the sponge roller can absorb the residual accumulated water through the water absorption of the sponge roller, finally, the sponge roller is dried through the electric heating plate, water is guided through pushing of the push plate, and the sponge roller absorbs water, so that the rainwater recycling efficiency is improved, and the rainwater removing and recycling effect is further improved; therefore, the accumulated water removing and recycling efficiency is improved.

An electric hot plate lifting type iron ore sintering zero-carbon ignition heat preservation device comprises a sintering trolley and an ignition device located above the sintering trolley on the upstream of a sintering machine. The ignition device comprises an ignition heat preservation furnace and a lifting type electric heating plate device arranged on the ignition heat preservation furnace. And the ignition holding furnace is arranged above the sintering pallet. The lifting type electric hot plate device comprises a lifter, a power transmission bearing rod, a resistance hot plate and a lifting motor. The lifter is installed on the upper portion of the furnace top of the ignition holding furnace. And the power transmission bearing rod is arranged on the lifter and penetrates through the lifter and the furnace top of the ignition holding furnace. And the resistance hot plate is arranged above the sintering pallet and is connected with the lower end of the power transmission bearing rod. The lifting motor is connected with the lifter and drives the electricity transmission force bearing rod through the lifter to drive the resistance hot plate to move up and down. According to the utility model, electric heating ignition is adopted, clean and green zero-carbon ignition is realized, the carbon emission is obviously reduced compared with the prior art, the ignition is uniform, and the service life of the furnace lining of the ignition furnace is effectively prolonged.

The utility model discloses a multi-injection-hole upper hot plate with high precision and high temperature control stability, which is of a multi-layer structure and sequentially comprises an upper heat insulation plate, an upper plate warm oil layer, a nozzle warm oil layer, a lower plate warm oil layer, a lower heat insulation plate, a hot plate and a back plate from top to bottom. The upper plate warm oil layer, the nozzle warm oil layer and the lower plate warm oil layer are respectively connected with a set of cooling oil circulating system; a plurality of injection nozzles are arranged on the back plate, the upper ends of the injection nozzles are connected with the upper heat insulation plate, rubber enters cavities of the injection nozzles through injection runners, and the cavities of the injection nozzles are directly connected with the upper plate warm oil layer, the nozzle warm oil layer and the lower plate warm oil layer; and gaps exist between the lower half part of the injection nozzle and the lower heat insulation plate and the hot plate.

The invention discloses an injection machine with intelligent temperature control and precise positioning functions. The injection machine comprises a plasticizing injection system, a mold locking system, a driving system and a heating and cooling system, the plasticizing injection system comprises a plasticizing device and an injection device; the plasticizing device comprises a plasticizing charging barrel and a sleeved variable-pitch plasticizing screw rod mounted in the plasticizing charging barrel; the injection device comprises a syringe, a multi-injection-hole upper hot plate and a multi-injection-hole lower hot plate; the mold locking system comprises an electric control sliding positioning device and a belt positioning moving plate; the driving system comprises a hydraulic device driven by hydraulic oil in an oil path pipeline; and the heating and cooling system comprises a cooling system, a cooling pipeline and an electric control screw rod temperature control device. The invention also provides an injection method. The method has a wide application prospect.

The invention provides a liquid cooling temperature control method and system for a photovoltaic curtain wall and a controller. The system comprises a photovoltaic glass assembly. The vapor chamber comprises a first end face and a second end face which are oppositely arranged, and the back face of the photovoltaic glass assembly is bonded with the first end face of the vapor chamber; the liquid cooling pipe is filled with cooling liquid, and the liquid cooling pipe is welded on the second end face of the vapor chamber; the temperature sensor is arranged on the photovoltaic glass assembly; the cooling circulation assembly is connected with the liquid cooling pipe, and heat of the photovoltaic glass assembly is transmitted to the cooling circulation assembly through the vapor chamber and the liquid cooling pipe; and the controller is used for acquiring the assembly temperature measured by the temperature sensor and controlling the cooling circulation assembly to be opened / closed according to the temperature, and when the cooling circulation assembly is opened, the cooling liquid in the liquid cooling pipe circularly flows, and the cooling circulation assembly further dissipates heat of the cooling liquid, so that rapid heat dissipation of the photovoltaic glass assembly is realized. The system provided by the invention not only helps to improve the performance of the photovoltaic module, but also can save energy cost for users in practical application.

The utility model relates to the technical field of traffic marking coatings, in particular to a device for testing thermal deformation resistance of a marking coating. Comprising a box body, a box cover and a test module, the test module comprises a sleeve, a guide rod, an electric reciprocating screw rod, a hydraulic cylinder, a mounting rack, an extrusion wheel, an electric heating plate, a heat conduction test plate and a pressing unit, the electric reciprocating screw rod is arranged in the box body, the sleeve is in threaded fit with the electric reciprocating screw rod, and the hydraulic cylinder is fixedly connected with the sleeve; the installation frame is fixedly connected with the output end of the hydraulic cylinder, the extrusion wheel is movably arranged in the installation frame, the electric heating plate is fixedly connected with the box body and located on the bottom wall of the box body, the heat conduction testing plate is arranged above the electric heating plate, and the pressing unit is arranged on the box body. Manpower and time are greatly reduced, and the testing process is very simple and convenient.

A tamper for making paraffin blocks for histology may include a pliable tamper head and a handle. The handle may be permanently or removably attached to the tamper by using screws, magnets, or the like. The tamper may be made from a pliable material, such as a silicone rubber, with improved thermal transfer and high latent heat. In use, the tamper may be warmed in advance to a working temperature by placing the tamper on a hot plate of the embedding station or on a dedicated smaller hot plate. Alternatively, the tamper may be heated with an electric resistive element, a thermoelectric device, or an electric induction coil.

The invention discloses a fan. The fan comprises a circuit board; the fan module is electrically connected with the circuit board and located at the air inlet; the temperature control module is electrically connected with the circuit board and communicates with the fan module, the temperature control module comprises at least one semiconductor chilling plate, a cold plate set and a hot plate set, the semiconductor chilling plate is provided with a cold area and a hot area which are oppositely arranged, the cold plate set is correspondingly arranged in the cold area of the semiconductor chilling plate, and the hot plate set is correspondingly arranged in the hot area of the semiconductor chilling plate; wherein the fan module is used for guiding air flow to the temperature control module, the air flow passes through a cold piece set located in a cold area and a hot piece set located in a hot area in the temperature control module to form cold air and hot air, the cold air and the hot air are exhausted through a cold air outlet and a hot air outlet which are arranged at intervals, effective separation of the cold air and the hot air can be achieved, and the refrigeration efficiency is improved.