129results about How to "Meet cooling needs" patented technology

This application provides a stator core, a motor, and an automobile, comprising a first lamination group formed by stacking multiple first laminations and a second lamination group formed by stacking multiple second laminations. The inner edges of the annular first laminations and the inner edges of the annular second laminations are provided with multiple spaced and radially distributed stator teeth and stator slots. A second lamination group is connected to each end of the first lamination group, forming the stator core. The area near the annular side edge of the second laminations is provided with multiple sets of spaced first and second sets of oil guide holes. The multiple oil outlets of the first lamination group form multiple main oil supply channels, and the deflected and superimposed first and second sets of oil guide holes of the second lamination group form multiple first and second oil injection channels, thereby optimizing the motor cooling system structure, improving oil guiding efficiency, and meeting the heat dissipation requirements of high-power motors.

The utility model discloses an atmosphere lamp control equipment for e-sports stadium stage, include: control platform and heat abstract mechanism, heat abstract mechanism includes heat dissipation support, heat pipe, be used to place the placement arc plate of heat pipe and be used for the positioning clamping piece of heat pipe clamping, heat dissipation support installs inside control platform, heat pipe is fixed through placement arc plate in heat dissipation support bottom, and through positioning clamping piece, heat pipe is clamped and fixed in heat dissipation support bottom, the utility model discloses a heat abstract mechanism is set up, not only can in the air of outside through the air collector box and blow to heat pipe in, and export control platform from the other end, the component and element in control platform inside cooperate and install with heat dissipation support, and the heat generated is transferred to heat dissipation support and heat pipe, and the heat on heat dissipation support and heat pipe is exported through the wind of outside, to realize efficient heat dissipation to control platform to the different size heat pipe is clamped and fixed according to the heat dissipation demand to satisfy the heat dissipation demand of control platform.

The utility model discloses a direct-drive electro-magnetic annular synchronous motor, and belongs to the technical field of large-scale synchronous motors. The motor comprises a split stator which is formed by splicing and fixing a plurality of stator petals along the circumferential direction; the block magnetic poles form a motor rotor, a plurality of independently-formed magnetic pole units are arranged at intervals in the circumferential direction, and each magnetic pole unit is directly and fixedly installed on the outer wall of the load rotating cylinder; the supporting and sealing structure is arranged at the axial end part between the split stator and the block magnetic pole and is used for sealing a gap between the split stator and the block magnetic pole; and the collector ring and brush carrier system is arranged at one axial end of the motor, and the output end of the collector ring and brush carrier system is electrically connected with the excitation windings of the block magnetic poles. According to the utility model, the split stator and the block magnetic pole structure are adopted, so that the transportation and field installation of the ultra-large motor are facilitated; the rotor is directly mounted on the outer wall of the milling cylinder to realize direct drive, a gear transmission link is omitted, the transmission efficiency is high, and operation is stable; a multi-layer sealing structure adapts to a high-dust environment, and the reliability is high; the speed regulation performance is good and the maintenance is convenient.

The turbocharger comprises a turbine shaft (1), a turbine (2) is arranged at the output end of the turbine shaft (1), a middle body (3) is arranged on the side, close to the turbine shaft (1), of the turbine (2), the turbine shaft (1) is rotationally connected to the axis of the middle body (3), an air cooling air channel (3.1) is arranged at the end, close to the turbine (2), of the middle body (3), and the air cooling air channel (3.1) is communicated with the air cooling air channel (3.1). The air cooling air channel (3.1) is in a U shape and is arranged in the circumferential direction of the turbine shaft (1). The utility model provides a turbocharger with an air cooling intermediate, which is used for cooling the turbocharger in an air cooling manner so as to reduce the production cost of the turbocharger.

The embodiment of the application discloses a high-pressure fan system for new energy engineering machinery, and belongs to the technical field of high-power equipment thermal management. The system comprises: a high-pressure fan; a driving motor, which is in transmission connection with the high-pressure fan; a motor controller, which is electrically connected with the driving motor, is used for driving the driving motor and adjusting the rotating speed of the high-pressure fan; a control module, which is in communication connection with the motor controller, is used for sending a rotating speed control instruction to the motor controller; a high-voltage power supply circuit, which has an input end connected with a whole vehicle high-voltage bus and an output end connected with a power input end of the motor controller, provides high-voltage direct current to the motor controller; and a low-voltage auxiliary power supply circuit, which has an input end connected with a whole vehicle low-voltage power supply and an output end connected with the control module, provides low-voltage direct current to the control module. Based on the system, the low-voltage system load and overload risk can be reduced, a single fan can meet the whole vehicle heat dissipation demand, the configuration quantity and space occupation are reduced, and the heat dissipation efficiency is improved.

The utility model discloses a heat conduction structure of an optical module. The heat conduction structure comprises a base, VC radiating fins and a radiator, the base is provided with a front surface, a back surface and a hollow opening penetrating through the front surface and the back surface; the VC cooling fin is arranged on one side of the back face of the base and provided with a first heat conduction face facing the base. A circle of continuous welding seam or a circle of shielding glue is arranged between the VC cooling fin and the base in the circumferential direction of the VC cooling fin. The radiator is arranged on one side of the front face of the base and provided with a second heat conduction face facing the base. The first heat-conducting surface and the second heat-conducting surface are in contact through the hollow-out opening, and a welding surface is formed between the two. The overall structure of the high-speed optical module is high in heat conduction capability, can guarantee electromagnetic shielding capability, and effectively meets the heat dissipation requirement and the electromagnetic shielding requirement of the high-speed optical module.

This utility model discloses a pressure head assembly and a chip pressing test device for chip pressing tests, relating to the field of chip testing technology. The pressure head assembly for chip pressing tests includes a pressure head base plate and multiple pressure heads, which are arranged in an array on the pressure head base plate. Each pressure head is provided with heat dissipation fins located on its periphery. Ventilation slots are provided on the pressure head base plate corresponding to the heat dissipation fins, allowing cold air flowing through the ventilation slots to be directed towards their respective heat dissipation fins. An airflow space is provided between the ventilation slots and the heat dissipation fins to ensure that the cold air entering through the ventilation slots is not blocked by the heat dissipation fins and can flow smoothly outwards to the heat dissipation fins, further improving the heat exchange capacity of the heat dissipation fins and the heat dissipation efficiency of the chip, thereby meeting the heat dissipation requirements of high-power chips.

The invention relates to the technical field of drill bits, in particular to an auger bit with a cutter handle lengthening structure, which comprises a drilling machine, a mounting head is rotatably connected to the drilling machine, a lengthening cutter handle is mounted on the mounting head, a fixing ring is sleeved on the drilling machine, fixing rods are fixedly connected to two sides of the fixing ring, and the cutter handle lengthening structure is mounted on the fixing rod. According to the device, a to-be-drilled area is pre-blown and cleaned through the air blowing piece, the multi-section telescopic rod and the spray head, the drilling centering precision of the twist drill is guaranteed, the blowing state of the spray head can be automatically switched along with drilling operation, chippings generated during drilling are laterally blown away, the drilling efficiency is improved, and the drilling efficiency is improved. And meanwhile, through linkage of a rack, a gear and other mechanisms, a large hole replaces a small hole to be communicated with the channel, self-adaptive adjustment of air outlet intensity increase during drilling deepening is achieved, the cutter burning and chip blocking faults caused by chip accumulation are effectively avoided, and the requirements for reinforced chip removal and cooling under the deep hole working condition are met.

The application relates to the battery technical field and provides a control device, a thermal management system and energy storage equipment. The thermal management system comprises a control device, a refrigerant unit and a heat exchange unit. Heat exchange fluid in a heat exchange flow path can exchange heat with refrigerant in a refrigerant flow path. The control device comprises a box body, a control module and a heat exchange structure. The box body forms a placing cavity and an assembly opening. The assembly opening is communicated with the placing cavity. The control module is arranged in the placing cavity. The heat exchange structure seals the assembly opening. The heat exchange structure comprises a fluid channel. The fluid channel is communicated with the heat exchange flow path. The heat exchange flow path is used for heat exchange with a battery monomer. Heat exchange fluid in the heat exchange flow path can flow through the fluid channel, so that the heat exchange fluid exchanges heat with the control module, and the control module is cooled or heated. The heat exchange structure seals the assembly opening. The heat exchange structure can occupy as little space as possible in the placing cavity.

An auxiliary power supply with power factor correction. It relates to the field of auxiliary power supply. It comprises a power body and a box, the front side of the box is provided with an insertion port, the rear side is provided with a heat dissipation port, both sides of the box are provided with a plurality of adjusting columns, the adjusting column and the box are connected through threads; one end of the adjusting column is located on the inner wall of the box and abuts against the outer wall of the power body, the other end of the adjusting column is located on the outside of the box, the other end of the adjusting column is provided with an adjusting hole, an adjusting tool can be inserted into the adjusting hole, and the adjusting tool is used for adjusting the length of the adjusting column screwed into the box. The application has the characteristics of convenient disassembly and good heat dissipation effect.

The utility model discloses a kind of trench formula composite heat pipe, including base, the top of base is equipped with top cover, the side of top cover top end is fixedly installed with several heat absorption pipes, the inside height of base is installed with several heat absorption components, several heat absorption components include heat absorption inner tube and several heat absorption blocks, the surface of heat absorption inner tube is wound and is connected with several heat-conducting wires, the outside of heat absorption inner tube is equipped with heat absorption outer tube, several heat absorption blocks are fixedly connected with the inside of heat absorption inner tube, several heat absorption pipes all include evaporative inner tube and several length guide rails, a kind of trench formula composite heat pipe of the utility model, by setting heat absorption pipe, slider slides along length guide rail, the distance between evaporative outer tube and evaporative inner tube is adjusted, indirectly adjusts heat dissipation area, it is convenient for composite heat pipe to carry out high-efficiency heat transfer heat dissipation to equipment under different environment, satisfy the heat dissipation demand of people to equipment.

The utility model discloses a cyclone reinforced air duct type air cooler relates to the field of air cooler, including front apron, and the rear end inner wall of front apron clamps and fixes the back apron, and the inside fixed air cooling radiator of front apron, and the front apron includes apron main part, and the round opening is seted up in apron main part front end, and the support spare is fixed in round opening, and the main guide vane is installed to support spare rear end, the utility model has following advantages: 1, improve cooling efficiency: through the spiral blade design of main guide vane and the cooperation of auxiliary guide vane, make the airflow that enters air cooler form stable cyclone, and the contact and heat exchange effect of airflow and air cooling radiator are strengthened, under the same power, cooling efficiency realizes greater promotion, and the performance of air cooler is greatly improved, 2, reduce the energy consumption of fan: because of the promotion of cooling efficiency, under the condition of reaching same cooling effect, fan does not need to run with higher power, thereby reduced the energy consumption of fan, realized the purpose of energy -conserving.

The application provides a heat balance control system, method and device of an electrolytic cell and electronic equipment, wherein the heat balance control system of the electrolytic cell comprises a liquid storage device, a water pump, a heat exchange device, a condenser and a negative pressure exhaust fan; the heat exchange device comprises an atomizing nozzle and a variable intake valve, and is arranged on a shell of the electrolytic cell; an outlet of the liquid storage device is connected with an inlet of the water pump, an outlet of the water pump is connected with an inlet of the atomizing nozzle, atomized liquid discharged from the atomizing nozzle is sprayed in the heat exchange device, the variable intake valve is through-connected with an inlet of the condenser, and an outlet of the condenser is through-connected with an inlet of the negative pressure exhaust fan. Thus, the latent heat of liquid vaporization can be used to dissipate heat of the shell of the electrolytic cell, and the heat dissipation capacity of the electrolytic cell is enhanced; in addition, the steam can be cooled through the condenser, and the unliquefied steam can be discharged through the negative pressure exhaust fan, so that the steam can be prevented from accumulating around the electrolytic cell, and the operation safety is improved.

This invention discloses a refrigeration system and a refrigerator. The refrigeration system includes a compressor, a condenser, a throttling device, a gas-liquid separator, and a first evaporator. The compressor has an exhaust port, a first return port, and a second return port. The condenser is connected to the exhaust port, and the throttling device is connected to the outlet of the condenser. The gas-liquid separator includes a housing, an input pipe, a first output pipe, and a second output pipe. The input pipe is connected to the middle of the housing, with its outer end connected to the outlet of the throttling device and its inner end located within the inner cavity of the housing. The first output pipe is connected to the lower end of the housing and communicates with the inner cavity. The first evaporator is connected to the first output pipe and communicates with the first return port via a pipe. The second output pipe is connected to the upper end of the housing, with its lower end located within the inner cavity and offset from the inner end of the input pipe. The upper end of the second output pipe communicates with the second return port. By using a gas-liquid separator to separate liquid and gaseous refrigerant, the refrigeration capacity can be improved.

The application discloses a storage cabinet and an energy storage device, and relates to the technical field of fire fighting, wherein the storage cabinet comprises a cabinet body and at least one shell assembly, at least one first cavity is arranged in the cabinet body; the shell assembly is arranged in the first cavity, and the inside of the shell assembly is provided with a second cavity for mounting a battery structure; the first end of a first gas flow channel of the shell assembly is communicated with the first cavity, and the second end of the first gas flow channel is communicated with the outside of the cabinet body; a rotatable baffle structure is arranged in the first gas flow channel, and the baffle structure is used for shielding the first gas flow channel; the third end of a second gas flow channel is communicated with the first cavity, and the fourth end of the second gas flow channel is communicated with the inside of the shell assembly; the outer surface of a plugging piece is abutted against the inner wall surface of the second gas flow channel; the battery structure presses the first elastic piece to move the plugging piece towards the second end of the second gas flow channel and form a gap. The technical scheme provided by the application controls the oxygen concentration in the first cavity, so that the fire extinguishing efficiency is improved.

The utility model discloses a liquid cooling device, especially relate to a heavy truck high -power direct current - direct current liquid cooling source system device, include: base, be provided with the fan casing on the base, be provided with the through -hole on the fan casing, install the fan on the through -hole. Liquid cooling system compares traditional air cooling system to have higher heat dissipation efficiency and lower thermal resistance, can better satisfy the heat dissipation demand of high -power equipment. For the heating component, design independent radiator, water pump, fan, when combining with automatic control equipment, can self -control operation, and the car machine gathers the heat source system operation information, ensures each system heat effective emission convenient for the maintenance and upgrade of heat dissipation system, reduce maintenance cost and time.

The application relates to the technical field of energy storage, in particular to an energy storage cabinet and an energy storage system comprising the same, which comprises a cabinet body, a door body rotatably connected to the cabinet body, and a battery cluster arranged in the cabinet body and stacked along a height direction, further comprising: an air inlet duct arranged on the inner side of the door body and used for air flow conduction with an air outlet of an air conditioner on the outer side of the door body, a flow guide duct configured at the bottom of the battery cluster and used for communication with the air inlet duct, and a backflow air duct formed between the battery cluster and a back plate of the cabinet body and communicated with the end of the flow guide duct; and a backflow port communicated with the backflow air duct is formed at the top of the cabinet body. Since one end of the air inlet duct connected with the air conditioner and the other end connected with the flow guide duct are distributed in a staggered manner along the horizontal direction, the non-orthogonal installation of the external air conditioner and the battery cluster can be effectively adapted, the structure is simple, and the overall heat dissipation requirement of the energy storage cabinet can be met.

The application belongs to the technical field of power generation, and particularly relates to a power supply device for automobile range extension, and more particularly to a direct-current power generation system and a working method thereof. The direct-current power generation system acquires the power of a power generation part in real time through a control module. When the power changes, the control module controls a pressurizing part to pressurize a power part cooling loop, and controls a connecting part to connect the power part cooling loop and the power generation part cooling loop, so that the high-pressure gas in the power part cooling loop enters the power generation part cooling loop, the gas pressure in the power generation part cooling loop is increased, the boiling point of the cooling liquid in the power generation part cooling loop is increased, and the cooling requirements of the power generation part and the power part are simultaneously met. When the power of the power generation part changes, the gas pressure in the power generation part cooling pipeline is increased, the boiling point of the cooling liquid therein is increased, and the cavitation effect caused by the local temperature rise and boiling of the cooling liquid due to the local eddy current caused by the power change is avoided.

This utility model discloses a wind-cooled heat dissipation structure for a drone battery, including a heat dissipation box; three rows of evenly distributed heat dissipation slots are opened on both sides of the heat dissipation box; the heat dissipation slots are straight groove-shaped structures; a first protrusion is fixed to both sides of the inner side wall of the heat dissipation box; a second protrusion is fixed to both ends of the inner side wall of the heat dissipation box; and evenly distributed support protrusions are fixed to the bottom of the heat dissipation box, all of which are located at the intersection of the bottom extension lines of the first and second protrusions. Cold air is delivered into the heat dissipation box through evenly distributed exhaust ports (heat dissipation channels), and the cold air continuously exchanges heat with the side of the drone battery. Then, part of the cold air flows to the upper part of the drone battery and part flows to the lower part of the drone battery. The cold air entering the lower part then flows along the heat dissipation channel formed by the bottom wall of the drone battery and the support protrusions, dissipating heat from all directions for the drone battery, ensuring that the heat dissipation needs can be met in a timely manner when multiple drone batteries are charging.

The utility model relates to a cooling assembly for a living cell imager, which comprises a base and a water storage tank, the base is provided with a cooling water inlet and a cooling water return port, a water flow channel is formed between the cooling water inlet and the cooling water return port, the water storage tank is arranged below the water flow channel, and the water storage tank is arranged below the cooling water inlet and the cooling water return port. And the water storage tank is provided with a condensate water outflow channel. The water storage tank is additionally arranged in the water cooling system of the living cell imager, so that condensed water generated in the water cooling process can be stored, and then the condensed water with the temperature consistent with that in the incubator is discharged into the incubator. The cooling requirement of the living cell imager is met, and the temperature in the incubator is not changed. The problem of how to enable the living cell imager to normally work in the incubator for a long time is effectively solved.

This invention relates to the field of vehicle control for new energy vehicles, specifically to an integrated thermal management system and control method for pure electric commercial vehicles. The system includes three independent electronic water pumps, dual PTC electric heaters, an electric compressor, a plate heat exchanger, a first electric proportional three-way valve, a second three-way valve, a dual expansion valve assembly, a check valve, and three independent water reservoirs. The outlet of the electric compressor is connected to the condenser and then splits into two parallel branches, which are connected to the HVAC evaporator and the plate heat exchanger respectively via a thermal expansion valve and an electronic expansion valve. The motor water pump is connected to the electric drive assembly and then splits into two paths via an electric proportional three-way valve, which are connected to the heater core and the motor radiator respectively. A check valve is connected in series in the cab heating circuit. Through integrated design and intelligent control, this invention achieves dual cooling with a single compressor, directional heating from motor waste heat, rapid heating of the heating circuit, and coordinated management under all operating conditions. It can reduce PTC energy consumption by more than 30% and increase winter range by more than 15%, and is suitable for pure electric commercial vehicles.

The utility model relates to the technical field of cloth cutting, and discloses a cooling module of a cutting bed cutter, which comprises a cutting bed cutter, a vortex tube and a cooling component, the vortex tube comprises an air inlet end, a hot air end and a cold air end; an air guide tube is fixed at the cold air end of the vortex tube; the cooling assembly comprises an outer box and an inner box arranged in the outer box, and three groups of air guide pieces are arranged in the inner box; the bottoms of the outer box and the inner box are provided with through holes through which a cutting bed cutter can simultaneously penetrate, and the air outlet end of the air guide part is arranged towards the direction close to the cutting bed cutter; a relatively-sealed conveying cavity is formed between the inner side of the outer box and the outer side of the inner box, and the interiors of the air guide pipe and the air guide piece communicate with the interior of the conveying cavity. According to the cooling device, a remarkable cooling effect can be achieved through simple structural matching, the cooling temperature of the cooling device can reach about minus 10 DEG C, the cooling requirement of the cutting tool is completely met, the efficient cooling and cooling effect can be achieved, the actual use cost is reduced, and the cooling device is very practical.

The application relates to the field of radar technology and discloses an active ventilation cooling system and method for a radar antenna cover, which comprises a top ventilation opening, an antenna cover, an active ventilation cooling device and a fan controller, the top ventilation opening is located at the top end of the antenna cover and is used for natural ventilation and auxiliary heat dissipation, the antenna cover is designed as a cavity opening type semispherical shape to adapt to the installation and operation of a radar antenna, the active ventilation cooling device is arranged at the bottom end of the antenna cover and is used for air intake and air exhaust, and the fan controller is used for controlling the start and stop of the active ventilation cooling device. The active ventilation cooling system and method can solve the problem of poor heat dissipation of the radar antenna cover in a high-temperature environment, realize efficient heat dissipation, automatic control and all-weather operation.

The invention provides a water-saving fermentation tank temperature control system based on circulating spraying, which comprises a fermentation tank unit comprising at least one fermentation tank, the top end of the fermentation tank is fixedly provided with an annular sprayer, and the outer wall of the lower end of the fermentation tank is provided with an annular water collection tank with an upper opening; the cooling water filtering unit comprises a cooling water filtering tank, an outlet of the water outlet pipeline of the annular water collecting tank is located on a water inlet of the cooling water filtering tank, a non-contact liquid level sensor is arranged on the side wall of the upper end of the cooling water filtering tank, and a clear water outlet is formed in the lower end of the cooling water filtering tank; the cooling water storage unit comprises a heat preservation water storage tank, a refrigeration jacket is arranged on the outer wall of the heat preservation water storage tank, a clear water outlet of the cooling water filter tank is connected with a water inlet of the heat preservation water storage tank through a first pipeline, and a water outlet of the heat preservation water storage tank is connected with an annular sprayer through a heat preservation pipeline. And a refrigerating unit is mounted between the inlet and the outlet of the refrigerating jacket. The temperature control device has the advantages of low cost, rapid and accurate temperature control, energy saving, water saving and the like.

The utility model discloses a miniature thermoelectric refrigeration system for a miniature heating assembly, which relates to the technical field of infrared detection equipment and comprises a flat plate type evaporator, a foamy copper heat pipe radiator, a micropump, a liquid storage device, a fan, the miniature heating assembly, a multi-stage thermoelectric refrigerator and a detector vacuum cavity packaging box. The flat plate type evaporator, the foamy copper heat pipe radiator, the liquid storage device and the micropump are sequentially connected in series through a pipeline and are arranged outside the detector vacuum cavity packaging box, and according to the scheme, by optimizing the overall structure and core assembly design of the system, the flat plate evaporator is arranged at the hot end of the multi-stage thermoelectric refrigerating unit to absorb heat; the foamy copper heat pipe radiator is used for heat dissipation, and the micropump is used for assisting the capillary phase change loop to start, so that the heat dissipation effect of the hot end of the refrigerating device is remarkably enhanced, and the size and the weight of the refrigerating system are greatly reduced.

This disclosure relates to a charging device and a charging pile. The charging device includes a cable and a charging gun. The cable includes a power conductor with a first connecting portion. The charging gun includes a power terminal with a second connecting portion. The charging gun has a heat exchange cavity adapted for the flow of a heat exchange medium. The first connecting portion and the second connecting portion are connected and both are located within the heat exchange cavity. Through this technical solution, the heat exchange medium flows within the heat exchange cavity to directly contact and exchange heat with the first and second connecting portions, thereby cooling the power conductor and the power terminal. The cooling effect is good, meeting the heat dissipation requirements of high-power charging of electric vehicles.

The utility model relates to the technical field of adhesive tape production equipment, and discloses an ethylene-propylene-diene monomer adhesive tape production cooling device which comprises an adhesive tape cooling bin, supporting legs are evenly arranged on the periphery of the bottom end of the adhesive tape cooling bin, and a bin opening closing door is rotationally arranged on the side edge of the adhesive tape cooling bin. A plurality of adhesive tape supporting assemblies are evenly arranged in the adhesive tape cooling bin, and adhesive tape cooling assemblies are arranged on the side edges of the adhesive tape supporting assemblies. Wherein an ethylene-propylene-diene monomer rubber strip placed on a rubber strip bearing net plate in the rubber strip supporting assembly is independently separated through a separation sheet, so that all parts of the surface of the ethylene-propylene-diene monomer rubber strip can be simultaneously air-cooled, the overall cooling rate of the ethylene-propylene-diene monomer rubber strip is greatly improved, the problem that water stains are left on the surface of the ethylene-propylene-diene monomer rubber strip is solved, and the service life of the ethylene-propylene-diene monomer rubber strip is prolonged. The adhesive tape cooling device can be suitable for common and higher adhesive tape cooling treatment requirements, and the cooling use requirement of a user is met.

The utility model discloses an embodiment of a kind of heat dissipation device and laser for laser, the heat dissipation device includes pumping source pedestal and liquid cooling plate, pumping source pedestal is used to place laser chip, liquid cooling groove is opened in liquid cooling plate, pumping source pedestal includes pedestal body, and the several radiating fins of setting on pedestal body, pumping source pedestal is attached to liquid cooling plate, and make several radiating fins be inserted in liquid cooling groove, pumping source pedestal and the groove wall of liquid cooling groove are enclosed to form liquid cooling passage, cooling liquid is circulated in liquid cooling passage, therefore, the heat generated by laser chip can be promptly transferred to radiating fin, and then again through radiating fin transfer to cooling liquid in liquid cooling passage, so that the heat of radiating fin can be promptly taken away by cooling liquid, cooling mode using liquid cooling, high heat dissipation efficiency, so that heat dissipation device can satisfy higher power laser chip heat dissipation demand.