78results about How to "Effective cooling" patented technology

The utility model discloses a gallium nitride output essential safety type power supply, including power supply body and bottom mounting plate, the casing bottom of power supply body is fixed with bottom mounting plate, still include guide and scatter mechanism, the guide and scatter mechanism includes top and exposes the groove, heat conduction silicon pad, double -faced wrong groove board, edge and exposes the groove, gantry clamping plate, lead touch piece, edge fin, bottom link and horn, through setting up guide and scatter mechanism and carry out heat dissipation improvement to the essential safety type power supply of gallium nitride semiconductor technology's application, and the top and exposes the groove of guide and scatter mechanism cooperation deep groove reduces the casing thickness of power supply body, and then combines heat conduction silicon pad and double -faced wrong groove board, forms the efficient heat conduction path and conducts heat dissipation outward, and simultaneously, the gantry clamping plate collocates lead touch piece and edge fin, constructs the multi -point three -dimensional heat dissipation surface of top surface and side surface formula, solves the casing heat dissipation blind area problem of power supply body, realizes the heat of power supply body and multi -point dispersion export.

The invention belongs to the technical field of vehicle heat dissipation, and particularly relates to a method and system for reducing vehicle heat damage. Comprising a first air duct and a second air duct which are additionally arranged at a front air inlet grille of a vehicle and respectively lead to an engine compartment heat damage part and a power battery; additional grating openings are additionally formed in the positions of a vehicle fog lamp and a vehicle wheel cover; the heat dissipation effect of the engine compartment heat damage part and the power battery is judged according to data returned by the temperature sensor; if the temperature of the engine compartment heat damage part and the temperature of the power battery continuously exceed the set threshold value, the vehicle is prompted to have the heat damage risk through a vehicle large screen, and when the vehicle enters the idling power generation mode, the engine compartment cover is prompted to be opened through the vehicle large screen, so that effective cooling is achieved. The vehicle engine compartment heat damage part and the power battery are subjected to targeted cooling, the heat convection effect is enhanced, and when the cooling effect of the heat convection mode is poor, a user can be prompted to open the engine cover for timely cooling.

The utility model relates to hydrogen fluoride production technical field discloses a pipeline descaling system for hydrogen fluoride production, include: evaporative cooling device has the accommodation cavity, fills with domestic water in the accommodation cavity, the cooling pipe inside fills with freon, first pipeline sets up the outside of evaporative cooling device, the import of first pipeline communicates with the below outside end surface of evaporative cooling device, and the export of first pipeline communicates with the outside end surface of the above of evaporative cooling device, first pipeline circulates domestic water through the drive part, and the parallelly connected setting of permanent magnet descaling device is in first pipeline, the utility model discloses through setting permanent magnet descaling device, utilizes the magnetic field effect, changes the scale layer crystallization form, makes it difficult to adhere to the pipe wall, the freon in cooling pipe can more efficiently carry out the cooling at this moment, and the heat exchange effect is high.

The utility model relates to the technical field of medicinal plant raw material extraction, especially relates to a low-temperature press of sea buckthorn seed oil. A low-temperature press of sea buckthorn seed oil has a support, a press cylinder, a first servo motor, a spiral oil press roller, an oil storage tank and an arc-shaped heat dissipation fin group, the press cylinder is installed at the top of the support, the right side of the press cylinder is provided with the first servo motor, the output shaft of the first servo motor is fixedly connected with the spiral oil press roller, the space inside the press cylinder and the spiral oil press roller gradually decreases from right to left, the lower part of the press cylinder is fixedly connected with the oil storage tank, and the upper part of the press cylinder is fixedly connected with the arc-shaped heat dissipation fin group in a symmetrical manner around the periphery. The utility model adopts the design that the spiral oil press roller and the internal space of the press cylinder gradually decrease, and is combined with the arc-shaped heat dissipation fin group, so that the oil extraction rate is improved, the effective heat dissipation system is matched to maintain a low-temperature operation environment, the nutritional ingredients in the sea buckthorn seed oil are maximally reserved, and the quality of the product is improved.

This invention provides a method for manufacturing a circuit board assembly, comprising the steps of: providing a circuit board including a heating element, the circuit board having a flow channel, one end of the flow channel being connected to the heating element; providing a shock absorber within the circuit board, the shock absorber having a receiving groove, the receiving groove being connected to the other end of the flow channel; and providing a fan within the receiving groove to obtain the circuit board assembly, wherein the sum of the length, width, and height of the fan does not exceed 90 mm. Furthermore, this invention also provides a circuit board assembly.

This utility model relates to the field of livestock breeding equipment, specifically a spray guiding device for cooling livestock sheds. The spray device includes a connecting component that penetrates a support plate for connecting to an external water source. Below the connecting component is a spraying component for spraying water. The guiding device includes a fixing component mounted on the spraying component. Inside the fixing component is a guiding component for diffusing the water mist from the spraying component according to different livestock sheds. This utility model uses a motor-driven rotating shaft to synchronously adjust the angles of four guiding vanes via belt transmission to adapt to the needs of different livestock sheds. Water in the storage tank is treated by a water softening module and then pumped to a distribution pipe, forming water mist through multiple nozzles on the spray head. The vortex-shaped guiding vanes on the outside of the spray head guide the airflow to form a spiral air curtain. Combined with the guiding groove of the protective cover, this significantly increases the diffusion radius of the mist particles, achieving efficient and uniform water mist cooling.

This utility model relates to an outdoor unit of an air conditioner, including an outdoor unit body, an electrical control box, and a heat dissipation module. The outdoor unit body has a heat dissipation duct. The electrical control box is located inside the outdoor unit body and includes a housing, a refrigeration mechanism located inside the housing, and an electrical control main board located on the side wall inside the housing. The refrigeration mechanism has an air supply vent and a return air vent, and is used to deliver cold air from the air supply vent and recover hot air from the return air vent. The heat dissipation module is located on the outer surface of the side wall of the housing where the electrical control main board is located, and is situated on the heat dissipation duct. The outdoor unit of this utility model can achieve effective heat dissipation inside the electrical control box while ensuring the sealing of the power box, effectively preventing dust and water damage.

The utility model relates to a heat dissipation technical field, concretely relates to a pouring and sealing heat dissipation structure. A pouring and sealing heat dissipation structure, include: shell, the shell upper end opening, the opening place forms the flanging, element, the element is placed in the shell, the upper surface of element with the opening of shell is flush, the clearance between element and shell pours into the heat conducting glue, top heat conducting pad, top heat conducting pad is bonded and fixed in the flanging, the lower surface of top heat conducting pad is bonded with the upper surface of element. The technical problem of increasing cost and weight of pouring and sealing heat dissipation mode in the prior art to put the magnetic piece completely in the complex structure mounting groove pouring and sealing needs a large number of heat conducting glue.

The application discloses a kind of electric vehicle double battery switching endurance methods.The application is independently set by lead-acid battery group, lithium battery group on electric vehicle, respectively configure exclusive independent control switch, corresponding switch is manually operated and is started and stopped operation by key, the independent on-off and switching use of two groups of batteries are realized, the battery functions of two electric vehicles are combined, the endurance capability of electric vehicle is significantly improved.The method avoids existing automatic switching, parallel switching and other technologies, adopts pure manual independent switching mode, the structure is simple, convenient to operate, switching logic is clear, and endurance capability can be doubled through test verification, and through specific switch linkage design avoids circuit conflict in switching process, solves the drawbacks that double battery switching in existing technology is prone to power supply anomaly and cannot be switched stably, and is suitable for various electric bicycles, electric motorcycles and other electric vehicle models.

This utility model discloses a melting and casting device for recycling Babbitt alloy from a pear-shaped steel wire rope sheath. It includes a housing, a medium-frequency induction furnace housed within the housing, and a casting mold. The medium-frequency induction furnace comprises a furnace body, a capacitor box, and a power supply box. The furnace body has a hollow structure extending vertically, with a lifting port at the top and an open bottom. The furnace body is designed with three layers from the outside in: an outer layer of heat insulation plate, a middle layer of induction coils arranged in a spiral pattern using hollow copper tubes, and an inner layer of fireproofing mud. The power supply box is electrically connected to the capacitor box and the induction coils. The casting mold is located below the furnace body. Eddy currents are generated inside the pear-shaped steel wire rope sheath suspended in the furnace by the induction coils, generating heat to heat the sheath. When the heating temperature exceeds 230°C, the Babbitt alloy inside the sheath melts rapidly, forming a flowing liquid that drips directly into the casting mold below. Finally, it cools and is demolded, achieving effective recycling of the alloy.

The utility model discloses a kind of transition flange structures with cooling function, it is related to flange technical field, including flange body, bearing, rotating shaft, refrigeration mechanism, spiral pipe, controller and temperature sensor, the inside of flange body is provided with rotating shaft, two bearings are provided on rotating shaft, oil storage cavity is formed between two bearings, spiral pipe and temperature sensor are provided in oil storage cavity, cooling chamber is opened in the side wall of flange body, water inlet and water outlet that are communicated with cooling chamber are opened on the side wall of flange body, refrigeration mechanism connects water inlet and water outlet, refrigeration mechanism and temperature sensor are connected with controller respectively. In the utility model, the cooling system of refrigeration mechanism, spiral pipe and cooling chamber, can effectively reduce the high temperature generated by bearing inner and outer ring and ball friction, prolongs the service life of bearing.

This utility model relates to the field of component heat dissipation, providing a circuit board heat dissipation structure and a printing carriage. The circuit board heat dissipation structure includes: a heat sink with an internal circulating water channel, the circulating water channel having an inlet and an outlet connecting to the outside of the heat sink; a cold water tank, including an outlet and an inlet, the outlet connecting to the inlet and the inlet connecting to the outlet, the cold water tank being used to input a cold source into the circulating water channel and circulate the cold source from the outlet to the inlet; and a circuit board attached to the heat sink. The circuit board heat dissipation structure provided by this utility model can effectively dissipate heat from the circuit board, with excellent heat dissipation effect, and can extend the service life of the components on the circuit board.

The utility model relates to the technical field of straw plaited caps, in particular to a breathable straw plaited cap which comprises a straw cap assembly and a cap pocket assembly installed in the straw cap assembly. The straw hat assembly comprises a hat body, and a plurality of inclined air holes which are symmetrically distributed are formed in the two side walls of the outer portion of the hat body. A funnel-shaped concave hole is formed in the top of the hat body, and a top ring pad and a supporting rod movably installed in the top ring pad are installed in the funnel-shaped concave hole. An inclined air hole with a downward end opening is formed in a fabric on the premise that the structure of a woven material is not damaged, a top ring pad is arranged at the top of a hat body, and when the environment temperature rises and no natural airflow exists, the hat body is pressed to be reversely extruded by the head of a user, and the user can feel comfortable. When the cap body is worn, the annular buckle pushes the supporting rod and the waterproof top cover to lift upwards, finally, a crack between the waterproof top cover and the cap body is exposed, and at the moment, the head of a user can be effectively cooled on the premise that the head does not directly make contact with a cap fabric.

This application relates to the field of airport navigation aids technology, and more particularly to a navigation lighting device, including a lamp housing assembly, a composite optical assembly, and a power supply assembly. The lamp housing assembly includes a lampshade and a lamp tube. The lampshade is connected to the top of the lamp tube via a connecting plate. The lampshade has a first chamber, in which the composite optical assembly is disposed. A second chamber is formed inside the lamp tube, and the power supply assembly is disposed inside the second chamber. The composite optical assembly includes a light source, a spherical mirror, a reflector, and a diffractive optical element. The light source is connected to the connecting plate. The spherical mirror is a convex mirror, with its convex end facing the light source. The reflector has a through-type frustum design, with one end facing the spherical mirror and the other end connected to the diffractive optical element. The surface of the diffractive optical element is circular, and the diffractive optical element abuts against the light outlet of the lampshade. This application has the ability to improve the luminous efficiency of LEDs.

The application discloses a kind of lasers, including: shell, PCB board, control chip, column, fixed part and heat dissipation fan, wherein, shell is equipped with first mounting hole, PCB board is equipped with second mounting hole, control chip is between the PCB board and the shell, the control chip is fixed to the PCB board, column is equipped with fixed hole, two ends of the column are respectively abutted with the PCB board and the shell, the first mounting hole contains part of the column, fixed part is sequentially worn in the second mounting hole and the fixed hole, heat dissipation fan is located at the end of the shell, and the heat dissipation fan is fixedly connected with the shell. Since two ends of the column are respectively abutted with the PCB board and the shell, the PCB board is in a suspended state, which is conducive to the heat dissipation fan for heat dissipation of the PCB board, improves the heat dissipation efficiency, and reduces the risk of PCB board damage.

The utility model relates to bearing retainer technical field, and disclose a kind of strong stability's tapered roller bearing retainer, including lower shelf plate, side frame body and upper shelf plate, the side frame body is installed in the top of lower shelf plate, the upper shelf plate is installed in the top of side frame body, the side frame body includes long strip frame, expansion side plate, mounting block and reinforcing heat sink, the expansion side plate is fixedly connected on the outside of upper and lower ends of long strip frame, the mounting block is fixedly connected on the upper and lower ends inside long strip frame, the reinforcing heat sink is evenly installed in the inside of long strip frame.This strong stability's tapered roller bearing retainer, through mounting block cooperation expansion side plate guarantee long strip frame between lower shelf plate and upper shelf plate installation firm, increase reinforcing heat sink in the inside of long strip frame, can guarantee the structural stability of side frame body, simultaneously utilize heat conduction and transmit heat to reinforcing heat sink, realize effective heat dissipation.

This utility model discloses a multi-functional stacking bag packaging machine mechanism, relating to the field of packaging machine technology. It includes a packaging machine body, a conveying device, and a controller, with the front of the packaging machine body fixedly connected to the back of the conveying device. This multi-functional stacking bag packaging machine mechanism, through the electrical connection between temperature and humidity sensors, dust sensors, vibration sensors, and the controller in the environmental detection and early warning components, enables the controller to receive environmental temperature and humidity, dust concentration, and equipment vibration data monitored by each sensor. This allows for real-time detection and early warning of environmental anomalies and equipment malfunctions. Thus, this device achieves the effect of accurately monitoring the packaging machine's operating environment and mechanical status through a multi-dimensional sensor monitoring and intelligent early warning system, promptly detecting anomalies and reminding operators to take measures to avoid abnormal wear and unplanned downtime caused by unsuitable environment or mechanical failure.

This invention relates to the field of sintering flue gas incinerator technology, specifically a cooling device for a sintering flue gas incinerator. The device includes an incineration assembly, with a flue gas conveying assembly installed at the upper end of the incineration assembly. A circular pipe is fixed inside the incineration assembly, and a diversion cooling mechanism is provided within the circular pipe. A conical filter screen is installed within the diversion cooling mechanism. A conveying pipe passes through the middle of the upper end of the circular pipe, and the upper end of the conveying pipe passes through the flue gas conveying assembly and is equipped with a dust extraction mechanism. A negative pressure pipe is installed on the dust extraction mechanism. This invention enables rapid flow of the liquid exchange medium to facilitate heat exchange with the incinerator, improving heat utilization efficiency. It also controls the flow direction of the flue gas, achieving cooling through heat exchange and spraying during the flow process. Furthermore, it concentrates and removes impurities from the flue gas, preventing blockages that could impede gas flow.

This utility model discloses a colored photovoltaic roofing module with heat dissipation function, including a photovoltaic module and a PLC controller. A heat dissipation plate is installed on the back of the photovoltaic module. Upper and lower frames are respectively provided on the top and bottom sides of the photovoltaic module and the heat dissipation plate. Ventilation holes are provided on the lower frame, and several cooling fans are provided on the upper frame. The input terminals of the cooling fans are connected to the output terminals of the PLC controller. A cooling channel is provided inside the heat dissipation plate. The inlet end of the cooling channel is connected to a cooling water tank via an inlet pipe, and the outlet end of the cooling channel is connected to a water storage tank via an outlet pipe. A pump is installed on the inlet pipe. A temperature sensor is installed on the back of the heat dissipation plate, and the output terminal of the temperature sensor is connected to the input terminal of the PLC controller. This utility model can control the heat dissipation path based on the detected temperature information, achieving not only effective heat dissipation of the photovoltaic module but also heat dissipation according to the actual temperature, thus reducing energy consumption.

The utility model relates to a heat abstractor for printer technical field, especially is a heat abstractor for printer, including the printer main part and the heat dissipation hole for printing file, printer main part one side is equipped with the heat dissipation hole for the heat dissipation of its internal parts, the heat dissipation hole outside is equipped with heat abstractor assembly, heat abstractor assembly includes fixed frame, heat dissipation fan, dust screen, heat conduction rod, heat dissipation fin and magic tape, the fixed frame that printer main part outside is closely combined has the fixed frame that surface is equipped with a plurality of ventilation holes, a plurality of heat dissipation fans are installed in the fixed frame, a plurality of connecting plates are fixedly connected to the fixed frame top, in the utility model, through setting heat dissipation fan, the air circulation of printer main part inside and outside is accelerated, uses in cooperation with heat conduction rod and heat dissipation fin, increases the heat dissipation effect inside printer main part, avoids the condition that the dust four spillover of directly placing fan directly at printer main part side.

This utility model relates to the field of prefabricated substation technology, specifically to a heat dissipation structure for a photovoltaic or wind-powered prefabricated substation. It includes a prefabricated box with a top plate. The box is divided into a transformer compartment, a high-voltage compartment, and a low-voltage compartment. The low-voltage and high-voltage compartments are separated from the transformer compartment by partitions. The low-voltage compartment contains a low-voltage cabinet. Multiple elongated ventilation slots are spaced parallel to each other along the height of the low-voltage cabinet on the upper and lower parts of the partition. Tin plates are installed at the connection holes between the low-voltage cabinet and the transformer copper busbars on the partition. A mesh door separates the front of the transformer compartment from the box door. The beneficial effects of this utility model are: the heat dissipation structure for a photovoltaic or wind-powered prefabricated substation achieves air circulation through the partition with ventilation slots and the mesh door. It also features a box door sealing plate with louvers and ventilation holes, and includes an air conditioner and a fan, providing effective heat dissipation for the box, thereby reducing line loss and copper loss and maintaining power supply efficiency.

The utility model belongs to the technical field of semiconductor devices, and particularly discloses a double-sided heat dissipation packaging unit which comprises a frame body, the frame body is provided with a first pin group and a second pin group, and the frame body is also provided with a chip; the connecting piece is used for connecting the second pin group and the chip; the plastic package body is arranged on the frame, at least one part of the bottom, far away from the chip, of the frame body is exposed out of the plastic package body, and at least one part of the top, far away from the chip, of the connecting piece is exposed out of the plastic package body. According to the utility model, the frame body connected with the chip and one part of the connecting piece are exposed out of the plastic package body, so that the heat dissipation efficiency is improved, the internal environment of the package unit is ensured to be maintained at a stable temperature, the chip works more stably, the service life of the chip is prolonged, and meanwhile, the service life of the chip is prolonged. The pins in the second pin group are all integrally arranged, so that the current-carrying capability of the package can be effectively improved, the use performance of the package is improved, the anti-fatigue capability is stronger, and the service life is longer.

The utility model discloses a multichannel heat dissipation casing structure of inflator pump, concretely relates to inflator pump technical field, including the shell, is provided with the inflator pump main part outside the shell, and the output fixedly connected with the air outlet pipe of inflator pump main part, the top fixedly connected with two positioning frame of shell, the fixedly connected with the handle of positioning frame inboard, handle inboard and air outlet pipe outside sleeve joint, the fixedly connected with two supports of inflator pump main part bottom, the fixedly connected with the bottom plate of support lower surface, the fixedly connected with a plurality of cushion block of bottom plate bottom, the fixedly connected with the air intake mechanism of bottom plate inboard, the top is provided with the heat dissipation mechanism of shell. The utility model utilizes a plurality of trapezoidal air inlet cover to accelerate airflow flow and enhance the penetrating power, improve internal air flow field, reduce ventilation resistance, combine top inclined top cover, heat conduction fin and opening design simultaneously, effectively discharge hot air, avoid heat accumulation, optimize the heat dissipation air duct, realize uniform heat dissipation, maximize the fan air volume and reduce airflow waste.

The application provides a steam turbine water injection temperature adjusting device for a thermal power plant. The temperature adjusting device comprises a working base plate, a water storage tank, a cooling tank, a water pump device and an auxiliary cooling tank. The water storage tank is installed on the working base plate, and a refrigerator assembly is arranged in the water storage tank. The cooling tank is installed above the water storage tank, and a cooling pipe is arranged in the cooling tank. The cooling tank is provided with an air inlet and an air outlet. The water pump device is installed on the outer wall of the water storage tank and is connected with the inside of the water storage tank and the cooling pipe. The auxiliary cooling tank is installed on the working base plate, and a circulating pipe is arranged in the auxiliary cooling tank. The two ends of the circulating pipe are connected with the cooling pipe and the inside of the water storage tank respectively. The water circulation channel is formed by the water storage tank, the water pump device, the cooling pipe and the circulating pipe. Cold water is continuously delivered to the inside of the cooling tank, and the hot water discharged from the cooling tank is cooled and then flows back to the water storage tank, so that the high-temperature gas in the cooling tank can be effectively cooled.

The utility model discloses a kind of infrared spectrum gas detection devices of logging gas measurement belongs to gas detection technical field.This kind of infrared spectrum gas detection device of logging gas measurement, including infrared spectrum detector body, first radiating assembly and second radiating assembly, first radiating assembly is set in the opposite sides of infrared spectrum detector body, second radiating assembly is set below infrared spectrum detector body, first radiating assembly includes a pair of side seats, the inside of a pair of side seats is connected with baffle, the top surface and bottom surface of baffle respectively with the inside top end and inside bottom end of side seat form first chamber and second chamber, the inside of first chamber is equipped with first cooling pipe, the outside of first cooling pipe is connected with several first radiating fins, infrared spectrum detector body includes shell, the outside two sides of shell are respectively with the fixed connection of a pair of side seats one side, one end of several first radiating fins is extended to the inside of shell and is penetrated through side seat and shell.

This utility model provides a grinding mill for pet food processing. The grinding mill includes: a support frame, on the top of which a grinding mill housing is fixedly installed, and on the top of which a top cover is installed; a grinding assembly, mounted on the top cover, used for grinding pet food raw materials; a drying mechanism, installed in the inner cavity at the bottom of the grinding mill housing, used for drying the ground powder; and a receiving assembly, installed at the bottom of the grinding mill housing. Under the action of the grinding assembly, the grinding disc drives the fixedly connected connecting shaft to rotate, which in turn drives the connecting rod fixedly connected to the side surface to rotate. The connecting rod drives a stirring rod to agitate the ground powder. Combined with the operation of the bottom electric heating plate, this facilitates powder agitation, improves the drying effect, ensures the drying performance of the powder, and prevents powder adhesion and accumulation during subsequent discharge.

The utility model is suitable for the technical field of combustor, provides a kind of porous combustor of preventing backfire, including base;Combustor body is installed in the top of base, the combustor body is equipped with the gas mixing bin for providing mixed combustible gas and combustion-supporting gas space;Cooling jacket is sleeved in the inside and outside of the gas mixing bin for providing drainage channel to assist the heat dissipation of the gas mixing bin;Cold water tank is fixed in the top of base for storing cold water, hot water pump is equipped in the cold water tank for extracting cooling water.The porous combustor of preventing backfire provided in the scheme is provided with cooling jacket, cold water tank, hot water pump, stirring mechanism and other components, effectively dissipates heat to the gas mixing bin, prevents backfire phenomenon caused by excessively high temperature, and improves the use safety of combustor.

This disclosure provides a cleaning module and cleaning equipment, relating to the field of cleaning equipment technology. The cleaning module includes a module support, a drive motor, and a heat sink. The drive motor is mounted on the module support and drives the target object of the cleaning module; the heat sink is located on the outer periphery of the drive motor, and liquid flows through the heat sink; wherein, with the direction perpendicular to the surface to be cleaned when the cleaning module is in working state as the height direction of the cleaning module, the upper side of the drive motor has a clearance area, and the heat sink is positioned to avoid the clearance area. This disclosure ensures effective heat dissipation for the drive motor while avoiding increasing the height of the cleaning equipment, ensuring the convenience and accessibility of the cleaning equipment, and facilitating the cleaning equipment to clean low areas, such as under sofas and beds.

This utility model discloses a robot liquid cooling circulation system based on semiconductor refrigeration, comprising: a heat generation device with a liquid cooling channel for coolant flow; a semiconductor refrigeration module, comprising: a cooling channel for coolant flow, the cooling channel having an inlet pipe and an outlet pipe, the liquid cooling channel being connected to the inlet pipe and the outlet pipe; a semiconductor heat sink, the cold end of the semiconductor heat sink being fitted against the outer wall of the cooling channel; heat dissipation fins, the heat dissipation fins being disposed at the hot end of the semiconductor heat sink; and a fan, the fan being disposed at the air inlet and air outlet of the heat dissipation fins. This utility model can realize the circulation of coolant and efficient cooling to ensure the heat dissipation effect of the coolant, thereby meeting the heat dissipation requirements of the robot and ensuring its working performance.