414 results about "Forced air cooling" patented technology

According to the thin forced air cooling piezoelectric pump for chip heat dissipation, the air inlet channel and the air outlet channel are separated from each other, the heat dissipation effect is good, meanwhile, noise is smaller, the size is small, and the thin forced air cooling piezoelectric pump can be flexibly integrated into various chip heat dissipation scenes with limited space. The piezoelectric pump structurally comprises a shell assembly and a piezoelectric ceramic assembly, a piezoelectric pump working cavity is formed in the shell assembly, the pressure in the piezoelectric pump working cavity can be changed through deformation of the piezoelectric ceramic assembly, and the piezoelectric pump working cavity communicates with an air inlet and an air outlet through an air inlet flow channel and an air outlet flow channel correspondingly; the air inlet and the air outlet are not located in the same end of the shell assembly, an air inlet piece assembly is installed at the joint of the air inlet flow channel and the piezoelectric pump working cavity, and an air outlet piece assembly is installed at the joint of the air outlet flow channel and the piezoelectric pump working cavity.

The utility model relates to an efficient heat dissipation type motor, which comprises a stator and a main shaft, the outer end of the stator is fixedly connected with a heat dissipation shell, the outer end of the heat dissipation shell is fixedly connected with a plurality of heat dissipation fins which are distributed in a circumferential array around the axis of the stator, and the outer end of the heat dissipation shell is fixedly connected with a front end cover through screws. A heat absorption cavity is formed in the front end cover, a plurality of hollow heat absorption rings are fixedly connected to the end, close to the stator, of the front end cover, the heat absorption cavity and the heat absorption rings are filled with phase change materials, an overflowing ring is fixedly connected to the end, away from the stator, of the front end cover, and a plurality of phase change circulating pipes are fixedly connected to the outer end of the front end cover. According to the utility model, the collaborative design of multiple heat dissipation mechanisms is adopted, the heat dissipation efficiency of the motor is significantly improved through the organic combination of phase change material heat storage, forced air cooling and heat conduction and dissipation, and the technical problem of insufficient heat dissipation of a high-power motor is effectively solved.

The invention provides a bus duct temperature field dynamic regulation and control system based on edge calculation, and relates to the technical field of bus ducts. The bus duct temperature field dynamic regulation and control system based on edge calculation comprises a shell, an edge calculation gateway, a protection plate and a connector. The temperature data is processed in real time through the edge computing gateway, the temperature control response time is shortened to 200 milliseconds from 5 seconds of a traditional single-chip microcomputer, the problem of local overheating caused by response lag in the prior art is effectively solved, meanwhile, the TEC module, the phase change material and the air cooling structure are adopted for cooperative heat dissipation, the temperature control precision of a hot spot area reaches + / -0.5 K, and the temperature control accuracy of the hot spot area reaches + / -0.5 K. The safety of a power supply system is remarkably improved, an IP68-level sealing structure is formed by combining resin packaging with a high-thermal-conductivity insulating layer, heat balance is achieved through active heat absorption of a phase change material and active refrigeration of TEC in a completely closed environment, the defect that in the prior art, the protection level is insufficient (below IP54) due to forced air cooling is overcome, and the power supply system adapts to severe industrial environments such as humid and dusty environments.

The utility model relates to a combined heat dissipation type power compensation capacitor, which comprises a capacitor body, a cooling mechanism used for cooling the capacitor body is arranged on the outer side of the capacitor body, a heat dissipation mechanism used for cooling the cooling mechanism is arranged at the upper end of the cooling mechanism, and a heat conduction mechanism used for conducting heat is arranged on the outer side of the cooling mechanism. The two sides of the heat dissipation mechanism are each provided with an air draft mechanism used for driving air to flow, the air draft mechanisms drive fan blades to rotate through a motor, directional air flow is generated, flowing of air around the heat dissipation mechanism is accelerated, more heat is taken away, a low-temperature area is formed, and continuous heat dissipation is promoted; the working principle of the whole combined heat dissipation type power compensation capacitor is a high-efficiency heat transfer process from the capacitor body to the environment, and stable operation and long service life of the capacitor body are ensured through preliminary cooling of the cooling mechanism, heat conduction of the heat conduction mechanism, wide heat dissipation of the heat dissipation mechanism and forced air cooling of the air draft mechanism.

The invention belongs to the technical field of mobile power supplies, particularly relates to an assembled energy storage power supply, and aims to solve the problems that an existing modular energy storage power supply is unstable in assembly, poor in heat dissipation, easy to loosen, fast in temperature rise and the like, the assembled energy storage power supply comprises a plurality of assembly units, and the assembly units are sequentially stacked up and down to complete assembly and combination. Every two adjacent assembly units are electrically matched, each assembly unit is composed of a shell, two fixing parts and a heat dissipation base, according to the assembly type energy storage power source, flexible configuration of capacity and power is achieved through a modular framework, and the stacked assembly units meet diversified scene requirements; a mechanical interlocking structure ensures stable connection between the modules and effectively resists external force interference; the integrated heat dissipation system adopts a forced air cooling and automatic filter screen cleaning technology, so that the heat management efficiency is remarkably improved; and the regular layout of internal cables is combined with the design of the quick-release maintenance panel, so that the operation and maintenance process is simplified and the maintenance cost is reduced.

The invention relates to the technical field of server heat dissipation, in particular to a combined heat dissipation device of a server, which comprises a cabinet body with a mounting space, and a circulating air duct, a first air inlet of the circulating air duct and a first air outlet of the circulating air duct are arranged on one side in the mounting space; the circulating fan is lower than the first air inlet; the supporting layers are arranged in the mounting space in the height direction, each supporting layer is provided with a supporting face, the supporting faces are provided with air passing holes, auxiliary fans are arranged below the supporting layers, radiators are arranged on the upper sides of the auxiliary fans, and electronic refrigeration pieces are arranged on the radiators; and a plurality of first temperature sensors are arranged on each supporting layer. The heat dissipation device has the advantages that a new heat dissipation means is applied to heat dissipation of server equipment, and the defects that traditional server heat dissipation mainly depends on a forced air cooling technology or cold air is forcibly manufactured for cooling by matching the forced air cooling technology with an air conditioning refrigeration technology are overcome.

The invention provides a multifunctional intermediate joint capable of being connected with a cable, and relates to the technical field of cable accessories. The multifunctional intermediate joint capable of connecting the cable comprises a joint body, an operation and maintenance hand-held terminal based on RFID and GPS, and an Internet of Things platform. In the case of instantaneous overload or short circuit, the PCM quickly absorbs heat to delay temperature rise, and the axial flow fan forcibly cools air to discharge heat, so that insulation carbonization is avoided; the self-cleaning mechanism removes dust on the filter screen to ensure stable long-term heat dissipation; the STM32H743VIT6 is fused with temperature, mechanical stress, partial discharge data and time-frequency domain alignment, so that the insulation failure prediction precision is improved; the dual-frequency anti-metal RFID tag, UWB positioning and AR operation and maintenance terminal are linked to display the health state, the deterioration trend and the maintenance animation of the connector in real time, so that the inspection time is greatly shortened, and misoperation is reduced; the Internet of Things platform remotely calls edge calculation data, experts collaboratively mark AR pictures, and the fault response speed is increased; and a sensing-analysis-decision-execution intelligent operation and maintenance system is constructed.

The invention provides a precise baking process optimization method and system for a mini LED circuit board, a baking oven is divided into a preheating area, a main baking area and a cooling area, a double-circulation hot air system and top vertical airflow are adopted, infrared and digital humidity sensors are combined, independent temperature and humidity regulation and control are realized, nitrogen-argon mixed gas is injected, and opening and closing of injection holes are adjusted based on the thickness of a substrate, so that the precise baking process of the mini LED circuit board is realized. Maintaining positive pressure and oxygen content in the box based on a three-dimensional pressure sensor network, prolonging heating time according to environment humidity in a preheating stage, performing gradient control on a heating rate, constructing a humidity-moisture absorption rate mapping table and a three-layer neural network model, adjusting power output in combination with Z-axis temperature difference, and adopting forced air cooling and nitrogen sealing procedures in a cooling area; and a plate explosion prediction model is established, a historical data triggering parameter adjustment mechanism is combined, baking parameters are written into the two-dimensional code of the substrate through a block chain technology, and traceability of the whole process is realized.

The utility model discloses an overvoltage protection assembly and system formed by voltage-sensitive nonlinear elements. The assembly comprises an insulating core tube, a plurality of nonlinear elements, a first electrode, a second electrode, an insulating cylinder, a cooling fan and a temperature sensor. The assembly can perform forced air cooling on the nonlinear element, and is timely in response, good in cooling effect, simple and compact in structure and easy to integrate.

The utility model relates to an air duct structure of a forced air cooling brake resistor. The air duct structure is arranged on a resistor box body, the resistor box body comprises a box body air duct and a resistor element arranged in the box body air duct, and the air duct structure comprises a conical air guide device, a fan, an air inlet mesh enclosure and an air outlet shell arranged at the outlet end of the box body air duct which are sequentially connected with the inlet end of the box body air duct; the air inlet mesh enclosure is a cuboid mesh enclosure, a fan receding hole is formed in one side of the air inlet mesh enclosure, and fan blades of the fan are rotationally arranged at the fan receding hole. Compared with the prior art, the air duct structure enables air flow to be evenly distributed in the air duct of the box body, prevents the air flow from generating a blind area in the air duct and causing local over-temperature of a brake resistor, can effectively reduce the adverse effect of walking wind generated when a train travels on heat dissipation of the resistor, and improves heat dissipation efficiency.

The invention provides a vacuum hot-pressing forming machine for silicone rubber production and a forming method, and relates to the technical field of silicone rubber production. The vacuum hot-pressing forming machine for silicone rubber production comprises a machine body, a hydraulic driving device, a rubber injection device, a vacuum adsorption device and an upper pressing head. By means of an innovative four-station circulation operation mode, synchronous operation of mold preheating, material forming, product cooling and finished product taking is achieved, the productivity in unit time is greatly improved, accurate temperature control is conducted on the forming mold through the directional forced air cooling technology, the cooling waiting time is greatly shortened, and meanwhile the production efficiency is improved. The cooling uniformity of all parts of a product is remarkably improved, waste heat generated in the cooling process is converted into mold preheating energy through an original heat energy recovery system, an energy closed loop in the production process is constructed, the problem that traditional equipment is high in preheating energy consumption is solved, and structural complexity caused by an additional heating device is avoided.

The invention provides a cooling device for a wind generating set, and mainly relates to the technical field of wind power generation cooling. A cooling device for a wind generating set comprises an integrated cooling platform, an intelligent control module and an external cooling heat dissipation module, and the integrated cooling platform is composed of a single cooling pump station, an external cooling heat dissipation device and a parallel type cooling branch. The parallel cooling branch is connected with the gear box, the generator and an independent heat exchange assembly of the converter through an intelligent diverter valve, and a cooling pump communicated with the parallel cooling branch is arranged in the cooling pump station. The device has the beneficial effects that the device adopts a one-pump multi-load integrated design, and the pipeline connecting length is greatly reduced, so that the layout complexity and the leakage risk in a cabin are reduced; and the external cooling heat dissipation module adopts a natural air cooling and forced air cooling self-adaptive composite structure, so that the heat dissipation efficiency of the device is effectively improved.

The present disclosure relates to heat dissipation during electric vehicle charging. Examples of the disclosure include a charging adaptor used as an intermediate coupling between a charging modality and an electric vehicle. Charging adaptors of the present disclosure can also include integrated cooling to dissipate heat generated during charging. In some examples, a charging adaptor may include a housing defining one or more vents, at least one fan unit positioned within the housing proximate to the one or more vents, and a heat sink positioned within the housing proximate to the at least one fan unit. The heat sink can absorb heat generated during electric vehicle charging. The at least one fan unit can draw outside air into the housing through the one or more vents and can direct the outside air along the heat sink to cool the charging adaptor.

The invention discloses a probe module of battery capacity grading equipment. The probe module comprises a frame main body, a probe assembly, a heat dissipation assembly and a wire arrangement assembly, a plurality of PCBs are arranged in the frame main body; the probe assembly is arranged at the bottom of the frame main body, comprises a plurality of probe interfaces and is connected in parallel with the positive and negative electrode interfaces of the PCB, and the probe assembly slides through the transverse sliding chute to adjust the distance so as to adapt to different types of batteries; the heat dissipation assembly comprises a heat dissipation plate installed above the probe assembly, and axial flow fans and fixing grooves used for clamping a PCB are arranged on the heat dissipation plate at intervals to form a forced air cooling path. The cable arranging assemblies are arranged on the two sides of the frame body and used for arranging cables. According to the invention, rapid remodeling is realized by adjusting the distance between the probes, the heat dissipation efficiency and the equipment stability are improved through integrated heat dissipation design and cable arrangement, the problems of time consumption in adjustment, insufficient heat dissipation and cable disorder of traditional capacity grading equipment are solved, the production efficiency and the multi-scene compatibility are remarkably improved, and the device is suitable for high-precision battery capacity grading detection.

The utility model discloses an outdoor energy storage cabinet, and particularly relates to the technical field of energy storage cabinets, a partition plate extending longitudinally is mounted in the middle of an inner cavity of a cabinet body, the partition plate divides the inner cavity of the cabinet body into a first chamber and a second chamber, a gap is reserved between the bottom end of the partition plate and the bottom of the inner cavity of the cabinet body to form a channel, and an airflow replacement chamber is mounted at the top of the cabinet body. A cooling mechanism is installed in an inner cavity of the airflow replacement chamber, a first open groove communicating with the interior of the airflow replacement chamber is formed in the top of the first chamber, and a second open groove communicating with the interior of the airflow replacement chamber is formed in the top of the second chamber. According to the utility model, forced air cooling and semiconductor refrigeration are combined, a dual heat dissipation mechanism significantly improves the cooling efficiency and adapts to an outdoor high-temperature environment, in the heat dissipation process, closed-loop air circulation is adopted to reduce external dust entering, the service life of equipment is prolonged, energy storage equipment and a heat dissipation system are managed in a partitioned manner, the layout is reasonable, and the space is saved.

The invention discloses a waterproof air-cooled heat dissipation marine power battery pack and a heat dissipation control method thereof, and relates to the technical field of battery equipment. The device comprises a sealing shell, wherein a storage battery is arranged in the sealing shell; a cooling assembly is arranged in the sealing shell and comprises a fixing shell installed in the sealing shell and heat exchange pipes installed on the two sides of the fixing shell. Through the synergistic effect of the cooling assembly and the air cooling assembly, the problem that the marine power battery pack is low in heat dissipation efficiency in a closed environment is effectively solved, cooling liquid circularly flows in the heat exchange pipe and is matched with the heat conduction silica gel sheet to directly absorb heat generated by the storage battery, efficient liquid cooling heat dissipation is achieved, and the service life of the marine power battery pack is prolonged. Flowing cooling liquid drives turbine blades to drive exhaust fan blades to rotate, forced air cooling is formed, the heat exchange area is increased through heat dissipation fins, the heat dissipation efficiency is further improved, stable operation can still be achieved under the ship vibration and damp working conditions, the service life of a battery is remarkably prolonged, and safety is improved.

The invention discloses a two-dimensional phased array radar array plane for an X wave band, and the array plane comprises an array plane skeleton, one side of the array plane skeleton is provided with an electric control assembly, and the other side of the array plane skeleton is provided with a connection assembly. The electric control assembly comprises an integrated board, and a module assembly is integrated on the integrated board. A connector is further arranged on one face, facing the array plane framework, of the sealing plate, an integrated frame used for integrating umbrella-shaped arrays is further arranged on the other face of the sealing plate, and the sealing plate and the integrated frame are sealed on the array plane framework through a radome. The array plane skeleton is also provided with a connecting hole, and the interior of the array plane skeleton is forcibly cooled through a fan installed in the connecting hole. All the modules are integrated on the integrated board, the electric control assembly and the connecting assembly are separated through the array plane framework, the electric control assembly and the connecting assembly are each provided with an independent heat dissipation space, forced air cooling heat dissipation is achieved through the fan, and on one hand, the equipment integration degree is high; and on the other hand, centralized heat dissipation is facilitated.

The invention relates to a switch bridge arm module cabinet, a control method thereof and a flexible loop closing device. The switch bridge arm module cabinet comprises a cabinet body and a thyristor switch valve. The cabinet body is provided with an installation space and a heat dissipation air channel. The heat dissipation air channel is communicated with the installation space and is provided with an air channel port communicated with the outside of the cabinet body. The thyristor switch valve is arranged in the cabinet body and comprises a pipe valve body and a first heat dissipation fan. Wherein the pipe valve body is arranged in the mounting space. The air inlet end of the first cooling fan faces the pipe valve body, and the air outlet end of the first cooling fan faces the interior of the cooling air channel. According to the switch bridge arm module cabinet, the pipe valve body is installed in the cabinet body, the independent heat dissipation air channel is further arranged in the cabinet body, and the first heat dissipation fan is correspondingly configured for the pipe valve body. Therefore, the switch bridge arm module cabinet can utilize the heat dissipation fan to drive airflow to perform forced air cooling on the pipe valve body, and heat is converged into the heat dissipation air channel to be discharged out of the cabinet body, so that effective heat dissipation is realized.

The injection mold with the air cooling device comprises an air driving mechanism and a shell, the shell is provided with an air channel and a mold cavity used for injecting molten plastic, the shell is provided with a first outer side wall and a second outer side wall at the position of the mold cavity, and the first outer side wall and the second outer side wall are arranged in a back-to-back mode; the air channels comprise the first air channel and the second air channel, the sectional area of the first air channel is decreased towards the first outer side wall, one end of the second air channel makes contact with the second outer side wall, the other end of the second air channel communicates with airflow outside the shell, and the sectional area of the second air channel is decreased towards the second outer side wall. The air driving mechanism comprises a first fan and a second fan, the first fan is arranged on the first air channel so as to blow airflow of the first air channel to the first outer side wall, and the second fan is arranged on the second air channel so as to blow airflow of the second air channel to the second outer side wall. The cooling airflow can act on the first outer side wall and the second outer side wall of the mold cavity in a concentrated mode, and the cooling efficiency and the cooling uniformity are remarkably improved.

This invention discloses a method and system for drying and curing non-metallic materials based on frequency-conversion microwaves. The method includes: placing the non-metallic material to be treated in a microwave resonant cavity, with a microwave-sensitive agent coated on the surface of the non-metallic material; setting the microwave frequency modulation range, power gradient, and processing time according to the type, thickness, and target drying / curing degree of the non-metallic material; starting a microwave generator and using frequency-conversion microwaves to dry and cure the non-metallic material through a stepped heating strategy and intermittent microwave radiation mode; and turning off the microwave generator and using natural cooling or forced air cooling to lower the temperature of the non-metallic material to room temperature. Using this invention, heating efficiency can be improved, and the uniformity and stability of the material drying and curing process can be ensured.

The utility model discloses a cubic boron nitride micro-powder high-temperature alkali liquor cooling device, which relates to the technical field of superhard material purification and comprises a clamp, a stirring barrel, a rotary driving mechanism, a support, a base, a rotary table, a stirring device and a water supply mechanism, the clamp is fixedly connected with the rotary table, and the stirring barrel is fixedly connected onto the rotary table through the clamp. The rotating table is rotatably mounted on the base, the base is provided with a rotation driving mechanism for driving the rotating table to rotate, the stirring device and the water supply mechanism are fixed on the bracket, and the stirring device is arranged above an opening of the stirring barrel. The rotary driving mechanism drives the stirring barrel to rotate, and the high-temperature stirring barrel and air are subjected to forced air cooling heat exchange, so that the alkali liquor cooling effect is improved while the stirring function is realized; by arranging the water flow adjusting device, water adding is controllable, and alkali liquor is prevented from overflowing.

The invention relates to the technical field of temperature controllers, and provides an embedded installation structure of a dry-type transformer temperature controller, which comprises a shell, the shell is embedded into the inner side of a power distribution cabinet, one end of the shell is fixedly connected with a control panel, the upper end and the lower end of the shell are both provided with a plurality of uniformly distributed vent holes, and the inner side of the shell is provided with a heat dissipation module. The heat dissipation module comprises a heat dissipation box, a plurality of heat conduction pieces are fixedly installed on the side, close to the control panel, of the heat dissipation box, the heat conduction pieces are distributed at equal intervals in the vertical direction, a motor is fixedly installed on the outer wall of the heat dissipation box, and an air cooling assembly matched with starting of the motor to suck in external air is arranged at the top of the heat dissipation box. A liquid cooling assembly used for cooling air is arranged on the inner side of the heat dissipation box, and an air guiding assembly used for guiding out the air in the heat dissipation box is arranged at the bottom end of the heat dissipation box. According to the embedded temperature controller, the air cooling assembly, the liquid cooling assembly and the air guide assembly are creatively integrated, so that the core heat dissipation bottleneck of the embedded temperature controller is solved.

The utility model discloses a ship direct current power distribution cabinet with a double-cavity heat radiation air channel, comprising a ship direct current power distribution cabinet body, one outer side of the ship direct current power distribution cabinet body is provided with a forced air cooling assembly, and the forced air cooling assembly is internally provided with a dustproof assembly. A forced air cooling assembly is arranged on one outer side of the ship direct current power distribution cabinet body, a heat conduction and heat dissipation assembly is arranged on the other outer side of the ship direct current power distribution cabinet body, and the forced air cooling assembly and the heat conduction and heat dissipation assembly form a circulating double-cavity heat dissipation air duct structure on the ship direct current power distribution cabinet body. The forced air cooling assembly and the heat conduction and heat dissipation assembly form a circulating double-cavity heat dissipation air duct structure on the ship DC power distribution cabinet body, so that the heat dissipation performance is improved, dust in the air is filtered, the dust is prevented from entering the ship DC power distribution cabinet body, and normal use in the ship DC power distribution cabinet body is ensured.

The invention discloses an electric energy meter with an abnormal state online analysis function, and belongs to the technical field of electric energy meters. The control module is arranged in the electric energy meter body; and a plurality of mounting cavities are arranged. According to the electric energy meter with the abnormal state on-line analysis function, through the use of the detection mechanism, the modular design capable of being independently disassembled and assembled is adopted, the telescoping of the positioning block is controlled by rotating the supporting disc, the rapid locking or releasing of the detection sensor in the mounting cavity is realized, a professional tool or complex operation is not needed, the difficulty and time of field maintenance are obviously reduced, and the working efficiency is improved. The operation and maintenance efficiency is improved, flexible configuration of sensor types is supported, different monitoring requirements are met, a heat dissipation system is automatically triggered through cooperative use of the ejection mechanism and the flow control mechanism, when the detection sensor is installed in place and the butt joint is connected with the butt joint seat, the flow control motor starts fan blades to perform forced air cooling, and the working temperature of the sensor is effectively reduced.

The invention discloses a passive multi-stage heat management device with a phase change material and a control strategy, and relates to the technical field of new energy automobile motor heat dissipation, the motor heat management device is mainly composed of a forced air cooling system, an oil cooling small circulation system and an oil cooling large circulation system, and energy consumption is reduced. According to the device, passive three-level temperature control is achieved through the wax thermostat and the temperature control switches at the oil inlet and the oil outlet, so that the heat dissipation requirements of the driving motor of the new energy automobile under different working conditions are met, the structure is simple, operation is stable, the optimal temperature of motor operation can be guaranteed, the influence of too fast and too slow heat dissipation on the motor performance is reduced, and the service life of the motor is prolonged. And the operation capability in an extreme environment is improved. In order to solve the problem that a traditional motor is low in heat dissipation efficiency, the system innovatively applies a phase change material, rotor heat is intensively conducted to heat collection plates at the upper end and the lower end and then rapidly dissipated through an oil cooling system, the problem that the traditional motor is low in heat dissipation efficiency is effectively solved, and a guarantee is provided for stable operation of the new energy automobile driving motor.

The invention discloses a forced air-cooled brake device for an electric wheel mine truck, which comprises a brake device and a traction motor, the traction motor comprises a rotor shaft, an inner shell and an outer shell, the rotor shaft is provided with an axial hole, a first radial through hole and a second radial through hole, and the first radial through hole and the second radial through hole are respectively communicated with the axial hole; an inner shell and an outer shell are arranged at the two ends of the traction motor respectively, and ventilation holes are formed in the inner shell. The brake device comprises an adapter and a brake disc, the adapter is provided with an inner diversion trench, the cylindrical surface is provided with an outer diversion trench, and an inclined hole is formed between the outer diversion trench and the inner diversion trench; the left side end part of the rotor shaft is mounted in the blind hole; the second through hole is communicated with the outer diversion trench; the brake disc is provided with a second through hole and a radial air channel communicated with the inner circumferential face and the outer circumferential face of the brake disc. The invention further discloses a cooling method of the forced air-cooled braking device for the mine truck with the electric wheels. The heat dissipation efficiency during braking is effectively improved, and heat fade during braking is avoided.

The utility model discloses a heat dissipation structure and a power electronic device, the heat dissipation structure comprises a fan support, a heat dissipation fan and a first electrical connection portion, the fan support is used for being arranged on the outer side of a device casing in a detachable mode; the cooling fan is arranged on the fan support and used for being matched with a radiator on the outer side of the equipment shell so as to achieve forced air cooling heat dissipation. The first electrical connection part is arranged on the fan bracket and is electrically connected with the cooling fan; when the fan support is installed at a preset assembly position on the outer side of the equipment shell, the first electrical connection part is just connected with a second electrical connection part on a control circuit in the equipment shell in place, and meanwhile the cooling fan is matched with the radiator in place. According to the heat dissipation structure, related electronic devices of the whole machine in the power electronic equipment do not need to be disassembled, and the electrical connection position does not need to be disassembled and assembled independently, so that the operation is very simple, and the convenience of disassembling, assembling and maintaining the heat dissipation fan on the power electronic equipment is greatly improved.

The application belongs to the technical field of product curing, and particularly relates to a multi-hole UV curing processing cooling system and unit. It solves the defects of unreasonable design in the prior art. The multi-hole UV curing processing cooling system comprises a plurality of independent modular UV curing assemblies. Each of the modular UV curing assemblies is respectively provided with a forced air cooling structure for air cooling the internal space of a UV lamp box of the modular UV curing assembly. The forced air cooling structures are connected in parallel to a cold air supply terminal. Each of the modular UV curing assemblies is also respectively provided with a fluid medium cooling mechanism for heat exchange cooling of the UV lamp box of the modular UV curing assembly. The fluid medium cooling mechanisms are connected in parallel to a circulating cooling terminal. The application has the advantages that the parallel connection mode is adopted to independently control the temperature of each modular UV curing assembly, so that the temperature uniformity of each modular UV curing assembly is achieved.

The air conditioner comprises a power module, a cooling circulation pipeline and an indoor fan, a cooling medium circulates in the cooling circulation pipeline, the cooling circulation pipeline is provided with a first heat exchange section and a second heat exchange section, the first heat exchange section is connected with the power module in a heat exchange mode, and the second heat exchange section is located on an airflow path of the indoor fan. According to the invention, the cooling medium can absorb heat generated by the power module in the process of flowing through the first heat exchange section, then the absorbed heat is dissipated by cold air driven by the indoor fan in the process of flowing through the second heat exchange section, and efficient heat dissipation of the power module can be realized through repeated circulation. Compared with a refrigerant heat dissipation mode, the heat dissipation mode does not need to introduce a refrigerant circulating in the system, so that the problems that the resistance of the system is increased, and the overall performance is affected are solved; compared with a forced air cooling heat dissipation mode, the heat dissipation effect of the heat dissipation mode that the cooling medium circularly cooperates with the cold air is better.

The application discloses a production process of a composite lightning arrester protective cover. The process comprises the following steps: mixing the main runner and the branch runner which are broken after being cut off in advance with new material particles in proportion, feeding into an injection molding machine to melt and form, and obtaining a protective cover with a runner; using an automatic taking and placing mechanism to take the protective cover out of the mold and move it to a cooling station, using an automatic cooling mechanism to forcibly air cool and shape the protective cover, and shortening the cooling time in the mold; then moving to a cutting station, using an automatic cutting mechanism to cut off the main runner and the branch runner at one time, realizing the rapid separation of waste and finished products; finally, clamping an identification sheet and packaging. The process realizes the full-process automation of "waste recycling-injection-taking-cooling-cutting-packaging", not only significantly improves the cooling uniformity and product size precision, avoids deformation and burrs, but also reduces the raw material cost through the recycling of runner waste, and has the advantages of high efficiency, stability and greenness.