7017 results about "Cooling effect" patented technology

The invention provides an automobile balance block die-casting mould, which comprises a push cylinder, an upper mould base, an upper mould, a lower mould and a lower mould base, wherein the upper mould is arranged on the lower end of the upper mould base; the lower mould is arranged on the upper end of the lower mould base; the upper mould base is connected to the upper end of the lower mould base through a guide pillar; cooling holes are formed in the upper end face and the lower end face of the upper mould base in a penetrating way; a guide sleeve is connected onto each cooling hole. According to the automobile balance block die-casting mould, each cooling channel is communicated with a blind hole, each blind hole is communicated with a cooling hole, and each guide sleeve is arranged on the corresponding cooling hole, so that the mould can be cooled conveniently and quickly through injecting cooling water in the guide sleeves; the cooling channels are arranged at equal distances and in parallel, so that cooling is uniform, the cooling effect can be further improved, and the product quality is improved; the automobile balance block die-casting mould is simple in structure, convenient to operate, and good in cooling effect.

The present application discloses a coaxially integrated servo motor pump with integrated drive control functions, comprising a motor pump housing, a controller housing, and an electrical connector. The motor pump housing is provided with a blind hole, a first cavity for accommodating a plunger pump assembly, and a second cavity for accommodating a servo motor assembly, wherein the plunger pump assembly and the servo motor assembly are connected via a rotating shaft. The controller housing is connected to one end of the motor pump housing, and a drive controller is provided within the controller housing. The blind hole communicates with the second cavity, and the electrical connector is sealed and connected to the blind hole, and the electrical connector is electrically connected to the servo motor assembly and the drive controller. The distribution plate and the sealing assembly are respectively sealed with both ends of the motor pump housing. Cooling is achieved through a cooling oil channel, which connects from one end of the motor pump housing near the plunger pump assembly to the second cavity and then divides into two paths, one path passing through the center of the rotating shaft, and the other path connecting to the first cavity and passing through the distribution plate. The coaxial integration of the drive control functions is achieved, and the cooling effect is good.

The invention discloses a lithium ion power battery air cooling and liquid cooling collaborative heat dissipation system and method, the system comprises a cooling assembly, the cooling assembly has a first working mode, and the cooling assembly comprises an air cooling mechanism and a liquid cooling mechanism; wherein when the cooling assembly executes the first working mode, the air cooling mechanism and the liquid cooling mechanism operate at the same time, so as to cool each surface of each battery monomer of the battery pack; the liquid cooling mechanism comprises at least one liquid cooling mounting plate, and the battery monomers are jointly mounted on one liquid cooling mounting plate to form a battery pack; wherein the air cooling mechanism and the liquid cooling mounting plate are respectively positioned on different surfaces of each battery monomer. Therefore, all surfaces of each single battery can be efficiently cooled, and the cooling effect of the battery pack is improved.

The invention relates to the technical field of cooling control, in particular to an amination automatic cooling system and method for monosultap preparation. Acquiring the temperature change rate and heat release time sequence data of the current amination process, and comparing the temperature change rate and heat release time sequence data with the temperature change rate of the historical temperature rise stage; and segmenting the current temperature change rate data into a plurality of temperature change sections, quantifying the difference between each section and historical comparison data in length and temperature change rate, and obtaining a cooling effect value to evaluate the cooling performance. And performing multi-length division on each temperature change section to obtain interval data sections, analyzing temperature fluctuation differences of the interval data sections, and determining an optimal division method and an optimal interval data section in combination with a cooling effect value. And finally, the preset flow velocity of the cooling liquid is adjusted based on the temperature change feature position and the heat release accumulation of the optimal interval data segment, so that a self-adaptive flow velocity value is obtained, and the matching degree of the cooling effect and the reaction requirement is effectively improved.

To provide an ice pack bottle having a simple structure, being easy to carry, having excellent cooling effect, and being reusable. [Solution] The ice pack bottle comprises a container body 1, an outer lid 2, a sealing ring 3, an inner lid 4, an inner container 5, and a fitting member 6. It has a simple structure and an appearance similar to an insulated bottle. The container body has a double-layer vacuum insulation structure, making it easy to carry and providing excellent cooling effect. The inner container is removable and reusable, saving costs and being environmentally friendly.

The utility model discloses a hydraulic rock drill which comprises a machine body composed of a machine base, a cylinder body, a middle body, a gear box, a gear box cover and a machine head which are sequentially connected, a first cavity for containing an impact piston and a second cavity for containing a bit shank are formed in the machine body, and a cooling lubricating cavity communicated with the first cavity and the second cavity is formed in the machine body. An air inlet chamber is formed in the machine base, and an air inlet communicated with the air inlet chamber is formed in the rear end of the machine base. The impact piston is provided with a central channel which is communicated with the air inlet chamber and the cooling and lubricating air chamber; an air passing channel which is communicated with a gap between the bit shank, the rotary assembly and the machine head and a gap between the bit shank and the machine head part is formed in the machine head; cooling and lubricating air introduced into the air inlet chamber enters the cooling and lubricating cavity through the center channel of the impact piston, sequentially passes through the bit shank, the gap between the rotary assembly and the machine head and the air passing channel, enters the gap between the head of the bit shank and the machine head and is blown out, and the situation that the cooling effect is poor due to the fact that air flow is poor after heat exchange is avoided.

The invention discloses a laser cutting device for aluminum veneer production, which relates to the technical field of metal cutting and comprises a rack, a first motor is fixedly connected to the rack, a screw rod is rotatably connected to the rack, the screw rod is fixedly connected with an output shaft of the first motor, a sliding frame is slidably connected to the rack, the sliding frame is in threaded connection with the screw rod, and a laser generator is fixedly connected to the sliding frame. A sleeve is fixedly connected to the laser generator, gas outlet pipes symmetrically distributed along the laser generator are fixedly connected into the sleeve, and an air outlet channel and a nitrogen outlet channel are formed in the sides, away from the middle, of the gas outlet pipes and the sides, close to the middle, of the gas outlet pipes respectively. According to the thermal load requirements of different areas in the aluminum veneer laser cutting process, differential configuration of cooling gas is achieved, the use amount of high-cost nitrogen is remarkably reduced, and therefore the overall production cost is reduced, the anti-oxidation advantage of the nitrogen is exerted, the cost benefit of air is fully utilized, efficient utilization of resources is achieved, and the economic benefit is increased. Meanwhile, the cooling effect is ensured.

The invention relates to the field of photovoltaic power generation, and particularly discloses a climate self-adaptive photovoltaic cooling method and system based on interface evaporation, and the system comprises a hydrophilic and hydrophobic composite radiation refrigeration film which is used for capturing atmospheric moisture through a radiation refrigeration effect under a low-radiation condition to form a cooling water source; the bionic water conveying structure comprises a modified silicone tube and a juncus roemerianus bundle and is used for conveying the captured water to the high-level water tank through capillary action; according to the invention, by fusing interface evaporation and radiation refrigeration technologies, the system realizes efficient cooling and energy recovery of the photovoltaic module; under the condition of strong irradiation, the gradient wettability interface evaporation layer takes away waste heat of the module through directional water film flow, so that the temperature of the photovoltaic module is reduced, the photoelectric conversion efficiency is improved, and meanwhile, the daily generating capacity is increased; the cooling effect is obviously better than that of a traditional natural convection or phase change material cooling mode, and efficient heat transfer is achieved through phase change latent heat utilization of interface evaporation.

The invention discloses an intelligent management method and system for a distributed liquid cooling energy storage system. The method comprises the following steps: identifying a sound wave reflection signal of which a sound wave reflection source type is a bubble; determining a bubble static gathering area based on the positions of the bubbles and the distance between the bubbles; calculating a fluid retention degree index in the bubble gathering area, and judging the fluid retention degree in the bubble gathering area; judging whether a local overheating risk exists in the bubble static gathering area with the serious fluid retention degree or not; predicting the temperature, bubble size and data of a bubble static aggregation area in a future preset time period, and determining a time point of a local overheating risk; and evaluating and optimizing the accuracy of the bubble size prediction model, the fluid retention degree index formula and the local overheating risk evaluation model. Through the technical method provided by the invention, the accuracy of bubble monitoring, the timeliness of overheating risk assessment and the optimization efficiency of the cooling effect in the liquid cooling energy storage system are remarkably improved, the service life of equipment is prolonged, and the maintenance cost is reduced.

The invention provides a regenerative cooling channel structure and an engine, and relates to the technical field of engine thermal protection, the regenerative cooling channel structure comprises a first channel and a second channel which are arranged between the outer wall face and the inner wall face of a combustion chamber at intervals in the radial direction, and an inlet and an outlet of the first channel are located at the inlet end and the outlet end of the combustion chamber correspondingly; an inlet and an outlet of the second channel are located at the outlet end and the inlet end of the combustion chamber respectively. An outlet of the first channel communicates with an inlet of the second channel, and a coolant flows into the first channel through the inlet of the first channel, then flows into the second channel through an outlet of the first channel and the inlet of the second channel in sequence and then flows into the combustion chamber through an outlet of the second channel. The flowing direction of the coolant in the first channel is consistent with the flowing direction of gas in the combustion chamber to form downstream cooling, the flowing direction of the coolant in the second channel is opposite to the flowing direction of the gas in the combustion chamber to form countercurrent cooling, the flowing speed and flow distribution of the coolant are improved, the heat transfer deterioration phenomenon is restrained, and the cooling effect is effectively improved.

The invention discloses a concrete temperature stress testing machine for compensating ambient temperature, which belongs to the technical field of concrete temperature strain test and comprises a testing machine host, a heat insulation box, a sealing sleeve, a water-cooling temperature control system and an active compensation system. Through the combination of the heat preservation box and the sealing sleeve, the concrete test block, the fixed-end universal joint, the movable-end universal joint, the fixed chuck, the movable chuck, the load sensor and other core test parts are sealed in the heat preservation box and the sealing sleeve, an independent internal constant-temperature test area is constructed, and the idealized premise that temperature changes of all the parts are consistent in the prior art is broken through; meanwhile, a water-cooling temperature control system composed of a first water cavity, a through groove, a second water cavity, a water injection pipe and a water drainage pipe is arranged among the first fixing base, the second fixing base and the sliding rod, it is ensured that the external temperature is constant, and the water-cooling effect is good. The problem of superposition of external deformation and deformation of the test piece and the internal part is thoroughly avoided.

The utility model relates to the technical field of vacuum gas quenching furnaces, and discloses a circulating heat exchange type vacuum gas quenching furnace which comprises a vacuum gas quenching furnace body, a set of connectors are arranged on the outer wall of the vacuum gas quenching furnace body, circulating pipes are connected to the outsides of the connectors, a water cooling tank is connected to one end of each circulating pipe, and a flow dividing air bellow is rotationally installed on one side of the interior of the water cooling tank; a plurality of heat exchange pipes are arranged on the inner wall of the flow dividing air bellow in the circumferential direction at equal intervals, the ends, away from the flow dividing air bellow, of the heat exchange pipes are connected with an air bellow, a sealing plate is rotationally installed on the other side in the water cooling tank, and a three-way air pipe is arranged outside the sealing plate. The workpiece is placed in the vacuum gas quenching furnace to be heated in advance, a proper environment is provided for heat treatment of the workpiece, cold air is divided through the multiple heat exchange pipes, the heat exchange efficiency is improved, the bevel gear rotates to drive the sealing plate, the air box and the heat exchange pipes to rotate, the multiple heat exchange pipes make full contact with cooling liquid, the heat exchange uniformity is improved, and the heat exchange efficiency is improved. And the workpiece cooling effect is ensured.

The invention relates to the technical field of cable processing, in particular to a cable threading device and process for wire and cable processing, the cable threading device comprises a base, an insulating layer, a cable core and a cooling assembly, the cooling assembly comprises four cooling supporting plates, a plurality of cooling balls, four annular cooling pipelines and four cooling units, and the insulating layer is output from an extruder and placed above the base; the cooling supporting plate moves, so that the cooling balls cling to the insulating layer; the cooling unit is used for cooling the cooling water; cooling water flows in the cooling supporting plate through the annular cooling channel to cool the cooling ball; the cooling balls are in contact with the insulating layer to achieve a cooling and shaping effect; therefore, the cooling balls are continuously cooled through the annular cooling pipeline, then the cooling balls make contact with the insulating layer which is continuously moved and conveyed, compared with air cooling, the cooling effect is remarkably improved, spraying water does not need to be used, and the risk that the insulating layer absorbs water and is damaged or performance is reduced is avoided.

The invention relates to the technical field of welding, and provides slurry pump shell welding equipment which comprises a mechanical arm, a welding gun and a workbench, and further comprises at least two moving tables, a clamping seat, a profiling self-adaptive clamp system, a preheating part and a slow cooling system, and the welding gun is mounted at the movable end of the mechanical arm; the clamping seat is rotatably arranged on the moving table, the profiling self-adaptive clamp system is installed on the clamping seat and used for adaptively clamping the inner side and the outer side of a slurry pump shell, and the preheating part is installed at a welding gun and used for locally and precisely preheating the welding position. The slow cooling system and the profiling self-adaption clamp system are matched to conduct heat preservation and slow cooling on the slurry pump shell after welding, the slow cooling system comprises a heating bin and an air supply pipe, the heating bin is installed on a clamping base, and a heater and a draught fan are installed in the heating bin. According to the technical scheme, the technical problem that in the prior art, the preheating effect and the post-welding heat preservation and slow cooling effect are poor is solved.

The invention provides a single-stage centrifugal air compressor. An air path cooling system of the single-stage centrifugal air compressor comprises a first cooling air path and a second cooling air path. The first cooling gas path comprises a shell cooling gas channel; an annular channel; a plurality of bearing seat air inlets; the housing cavity is provided with a main air outlet; the bearing seat air outlet hole is communicated between a fit clearance between a first radial air bearing, far away from the volute, of the motor and a motor stator and the housing cavity; the second cooling air path comprises an air inlet gap between the back of the impeller and the end face of the shell close to the impeller, a fit gap between a second radial air bearing of the motor close to the volute and the main shaft, a fit gap between the stator and the main shaft, a fit gap between the stator and the first radial air bearing and a bearing seat air outlet hole which are communicated in sequence; the air inlet gap communicates with the air outlet side of the impeller. The first cooling air path and the second cooling air path can cool rotor parts at different parts of the motor, so that the cooling effect on the rotor parts of the motor is improved, and the use performance of the motor is ensured.

The utility model belongs to the field of building photovoltaic technology, and relates to a photovoltaic ventilation enclosure structure system based on evaporative cooling, which comprises a building outer enclosure structure surface, a photovoltaic panel and a ventilation cavity, the ventilation cavity is provided with an air inlet and an air outlet, and the air inlet and the air outlet are respectively provided with shutters capable of being controlled to be opened and closed; a heat conduction or heat exchange device is arranged between the shady face of the photovoltaic panel and the outer wall of the ventilation cavity, and the surface of the building outer envelope structure and the photovoltaic panel are located on the two opposite sides of the ventilation cavity respectively. The passive evaporative cooling mode is clean, pollution-free, energy-saving, carbon-reducing, remarkable in cooling effect and economical; the mode of combining natural ventilation with evaporative cooling is adopted, the cooling effect is more obvious, meanwhile, the hot and humid environment of a building envelope structure can be regulated and controlled, and cold and hot load energy of a building is reduced.

The invention relates to the technical field of engine thermal management, and particularly provides an active cooling method for coupling rotational flow cooling and regenerative cooling, which comprises the following steps: arranging a rectangular auxiliary inlet channel on the side wall of a rectangular main inlet channel of a regenerative cooling channel, and constructing a rotational flow regenerative cooling channel; when the rectangular main inlet channel performs regenerative cooling, coolant induced rotational flow is injected into the rectangular auxiliary inlet channel, and the rotational flow strength is regulated and controlled by adjusting the ratio of the flow of the coolant induced rotational flow to the total flow; and a cooling process simulation model is constructed, and the cooling effect of the rotational flow regeneration cooling channel is analyzed based on simulation calculation data. By means of the innovative rotational flow regeneration cooling channel design, controllable rotational flow is introduced into a traditional regeneration cooling channel, and the problems that a scramjet engine combustion chamber is insufficient in heat transfer in the extremely high-temperature environment and the fuel chemical heat sink utilization rate is low are solved. And fluid mixing is enhanced through rotational flow, a thermal boundary layer is destroyed, the fuel pyrolysis reaction is optimized, and efficient heat exchange is achieved.

The present invention relates to the field of lithium battery heat dissipation technology, specifically a lithium battery liquid cooling system, comprising a heat convection baffle, with a first heat dissipation module and a second heat dissipation module respectively arranged on both sides of the heat convection baffle; the first heat dissipation module is provided with a first liquid inlet and outlet connection port, the second heat dissipation module is connected to a second liquid inlet and outlet connection port, and the first liquid inlet and outlet connection port and the second liquid inlet and outlet connection port are located at the same end of the heat convection baffle; a reversing groove connecting the first heat dissipation module and the second heat dissipation module is provided on the heat convection baffle; the coolant flows into the first heat dissipation module along the first liquid inlet and outlet connection port, enters the second heat dissipation module through the reversing groove, and flows out along the second liquid inlet and outlet connection port; the coolant flows in opposite phases in the first heat dissipation module and the second heat dissipation module. This system is not only simple in structure and has a good cooling effect, but also does not damage the battery and is easy to install.

The invention relates to the technical field of extrusion casting molds, and discloses an automobile clutch shell extrusion casting mold which comprises a casting table base, a supporting column is fixedly connected to the top of the casting table base, a top hydraulic machine box is fixedly connected to the top of the supporting column, and a first hydraulic telescopic column is movably connected into the top hydraulic machine box in a sleeved mode. A mold base is arranged at the bottom of the first hydraulic telescopic column, the mold base is movably sleeved with an extrusion cooling table, a cold air conveying channel is formed in the bottom of the mold base, a first fan blade is movably sleeved with the mold base, and a first motor is fixedly connected to the bottom of the first fan blade; low temperature generated by cooling liquid is transmitted to the mold base to cool the mold base, the front ventilation pipeline arranged in the concave water tank in a sleeving mode converts internal airflow into low-temperature airflow through cooling liquid, and the water tank handrail is installed outside the concave water tank to prevent foreign matter from entering the concave water tank to affect the cooling effect of the front ventilation pipeline.

The invention provides a heat dissipation control method, an evaporation cold magnetic suspension system and an air conditioner. The evaporation cold magnetic suspension system of the air conditioner comprises a heat pipe air wall, a compressor, a first air guide pipeline and a second air guide pipeline, wherein the heat pipe air wall comprises a fan and a heat pipe; according to the system and the method, the low-temperature airflow on the upstream side of the draught fan is directly used for cooling and dissipating heat for the compressor in the low-load state, and part of the low-temperature airflow is used for improving the refrigeration effect of the whole system through the heat pipe while the low-temperature airflow on the upstream side of the draught fan is used for cooling and dissipating heat for the compressor in the high-load state; and in addition, the air flow passing through the heat pipe is synchronously transmitted to the compressor to further cool the compressor, so that the heat dissipation effect of the compressor is improved. The air flow in the heat pipe ventilation wall is fully and reasonably utilized, so that the cooling and heat dissipation effect of the evaporation cold magnetic suspension system on key devices at a compressor is improved.

The invention relates to an immersed direct-cooling battery device, an energy storage system and a power utilization device, the immersed direct-cooling battery device comprises a battery module and a box body, the box body is provided with a containing cavity, an insulating cooling liquid is injected into the containing cavity, and the battery module is immersed in the insulating cooling liquid of the containing cavity. The direct cooling coil pipe is immersed in the insulating cooling liquid of the containing cavity, a circulating refrigerant flows in the direct cooling coil pipe, the direct cooling coil pipe comprises a first bent pipe and a second bent pipe, the first pipe comprises a first inlet and a first outlet, the second pipe comprises a second inlet and a second outlet, the first outlet is communicated with the second inlet, and the second outlet is communicated with the second inlet. The included angle theta between the first pipe and the second pipe is larger than or equal to 0 degree and smaller than or equal to 5 degrees, and at least part of the structure of the second pipe and at least part of the structure of the first pipe are alternately wound along the projection of the direct cooling coil pipe in the thickness direction, so that cooling effects of refrigerants flowing forwards and backwards in the first pipe and the second pipe on the insulating cooling liquid can be mutually compensated. And rapid temperature equalization is facilitated, and the heat management efficiency is improved.

Techniques are provided for optimizing the performance of each of the components of a vehicle thermal system including a radiator system and an air conditioning system to provide desired cooling inside the vehicle cabin while simultaneously reducing the noise and potential vibration caused by operation of the individual components of the thermal system and by the operation of the components collectively. Optimizing the operating settings of each component relative to each other provides for desired interior vehicle cabin cooling while maintaining efficient thermal loading and energy use because while the speed and / or duty cycle of one component may be increased, the speed and / or duty cycle of another component may be decreased resulting in better overall thermal loading and energy efficiency.

A water-guided laser assembly and a precision machining assembly are fixed to the same side of a sliding plate of a vertical five-axis machine tool, an ultrasonic vibration platform is installed on a C-axis workbench of the vertical five-axis machine tool, and the water-guided laser assembly, the ultrasonic vibration platform and the precision machining assembly are controlled by an industrial personal computer to cooperate with each other; a positioning measuring head is adopted to realize relative compensation of the water jet and the cutter; the water jet cooling effect is utilized in water-guided laser processing to reduce the heat affected area and improve the processing quality; ultrasonic vibration auxiliary machining effectively reduces cutting force, inhibits the surface water return phenomenon, improves machining efficiency and prolongs the service life of a cutter; and precise machining (milling, grinding and drilling) is carried out, so that the machining size precision is accurately corrected, and the residual laser-induced damage layer is removed. Through multi-energy-field in-situ combined machining, collaborative optimization of technological parameters and coordinate compensation, the problems of insufficient precision, low efficiency, thermal damage and the like during machining of complex geometrical shapes and difficult-to-machine materials in a single machining technology are solved.

The invention discloses a stator structure of a motor and the motor, and relates to the technical field of motors, the stator structure of the motor comprises a stator iron core, the stator iron core is annular, a plurality of cooling oil channels are formed in the stator iron core, the plurality of cooling oil channels are sequentially arranged at intervals along the circumferential direction of the stator iron core, the cooling oil channels comprise yoke part oil channels and tooth part oil channels, and the yoke part oil channels are communicated with the tooth part oil channels. The yoke part oil ducts and the tooth part oil ducts extend in the axial direction of the stator iron core, the yoke part oil ducts and the tooth part oil ducts are arranged in the radial direction of the stator iron core, the yoke part oil ducts and the tooth part oil ducts are communicated, and the oil inlet and the oil outlet of the same cooling oil duct are located at the same end of the stator iron core in the axial direction of the stator iron core. According to the stator structure, the cooling oil can directly cool the yoke part and the tooth part of the stator core, the heat dissipation capability of the stator core can be improved, the stator core can be cooled uniformly, the heat dissipation efficiency of the stator core can be improved, the cooling effect of the stator core can be improved, and the working efficiency of a motor can be improved.

The invention relates to the technical field of building material processing, in particular to a granulation processing device for a polycarboxylate superplasticizer and an assembly thereof.The granulation processing device comprises a base, first supporting plates are fixedly connected to the four corners of the top of the base, second supporting plates are fixedly connected to the inner sides of the first supporting plates, and a light barrel is fixedly connected to the inner wall of each second supporting plate; an outer gear ring is fixedly connected to the surface of the light barrel, and a cooling component is arranged on the front side of the second supporting plate. According to the invention, the efficient and uniform granulation process is realized through the innovative mechanical linkage design, the device adopts a rotary cooling and self-cleaning integrated structure, the light barrel body is driven by the motor to rotate, and meanwhile, the condensation ring reciprocates up and down along the barrel wall to form a dynamic cooling effect, so that the uniform and stable temperature of materials is ensured, and the material discharge stage is stable. Falling materials drive the impeller to rotate, the composite material cleaning ring is driven by the gear and rack mechanism to scrape the barrel wall up and down, and residual materials are effectively removed.

The invention provides a liquid cooling radiator and a power module. The liquid cooling radiator comprises a plurality of first radiating teeth, a first cover plate, a side plate and a bottom plate. The first cover plate and the bottom plate are arranged in a stacked mode in the first direction, and a first cavity is defined by the bottom plate, the side plates and the first cover plate. The first cover plate comprises a first opening, a second opening and a third opening which are sequentially arranged in the second direction. The second opening allows the cooling medium to flow into the first cavity, and the first opening and the third opening allow the cooling medium to flow out of the first cavity. Or the cooling medium flows into the first cavity through the first opening and the third opening, and the cooling medium flows out of the first cavity through the second opening. According to the liquid cooling radiator, the cooling medium can flow from the opening in the middle of the cover plate to the openings in the two sides, so that the length of the flow channel is shortened, and the cooling effect of the liquid cooling radiator is improved.

The utility model relates to the field of direct current guns, and discloses an air-cooled direct current gun, which comprises a main shell, a stop piece is fixed in the main shell, two DC terminals are fixedly inserted on the stop piece, a barrier plate is fixed on one side of the stop piece, a plurality of heat dissipation plates are fixed on the stop piece, and the heat dissipation plates are fixed on the stop piece. The DC terminals are arranged in the main shell, the heat dissipation plates are arranged in the main shell, sealing heat-conducting glue is filled between the DC terminals and the heat dissipation plates, the heat dissipation plates are distributed on the stop piece at equal intervals, a sliding folded plate is detachably arranged on the main shell, a heat dissipation fan is arranged in the sliding folded plate and located under the heat dissipation plates, and the heat dissipation plates are arranged in the sliding folded plate. And a plurality of ventilation holes are formed in the surface of the main shell. According to the utility model, the temperature of the DC terminal is increased along with charging, heat is transmitted to the heat dissipation plates through the heat-conducting glue, airflow generated when the heat dissipation fan works passes through the plurality of heat dissipation plates, the heat can be dissipated into the air, and the heat dissipation fan circulates all the time, so that the effect of cooling the DC terminal can be improved.

The invention discloses an immersed phase change liquid cooling method for a data center server, which is characterized in that the server is immersed in a phase change cooling liquid to realize cooling, the heat dissipation side surface of the server is divided into a plurality of heat dissipation areas, the surface of each heat dissipation area is provided with a corresponding rotor brush device, and according to the temperature rise and fall of each heat dissipation area, the rotor brush device is driven by the rotor brush device to rotate. And the rotating speed of the rotor brush device in the heat dissipation area is correspondingly adjusted. According to the invention, the cooling effect on the data center server can be better improved, targeted heat dissipation and cooling treatment on a local area with uneven heating is realized, and the overall performance and efficiency of the server can be better improved.

The invention relates to the technical field of piston pump leaking stoppage, and discloses a flow leaking stoppage device for a piston pump, which comprises a leaking stoppage clamp, the leaking stoppage clamp comprises a first clamp component and a second clamp component which are symmetrically arranged, and the first clamp component and the second clamp component are in a T shape rotating 90 degrees anticlockwise. A vertical pipe and a transverse pipe are clamped in the first clamp component and the second clamp component, inner cavities are formed in the first clamp component and the second clamp component, the inner cavities form a complete closed cavity when the first clamp component and the second clamp component are combined, and a first rubber pad is fixedly connected to the inner ring shell wall of the first clamp component and the inner ring shell wall of the second clamp component. After the inner cavity is filled with cooling water, the leaking stoppage clamp forms a wrapping type cooling clamp, the cooling effect on the pump cavity is achieved, the possibility that the sealing effect is reduced and water leakage is caused due to the fact that the temperature of the pump body is too high and the rubber sealing piece is thermally deformed is reduced, the leakage risk is reduced, and the service life of the piston pump is prolonged.

The utility model provides a liquid cooling assembly and a battery pack. The liquid cooling assembly comprises a plurality of liquid cooling plates arranged at intervals and a main pipe, a mounting space for mounting a heating body is formed between every two adjacent liquid cooling plates, and each liquid cooling plate comprises a flow channel part and a pipe nozzle communicated with the flow channel part; the main pipe comprises a plurality of connectors, the connectors are in one-to-one corresponding expanded connection with the pipe nozzles, the connectors are inserted into the pipe nozzles, supporting rings are arranged on the inner walls of the connectors and overlapped with the pipe nozzles, and the elastic modulus of the supporting rings is larger than that of the connectors. The supporting ring is arranged on the inner wall of the connector, the elastic modulus of the supporting ring is larger than that of the connector, the supporting ring is not prone to deformation relative to the connector, liquid leakage caused by the fact that the connector is crushed after insertion is prevented, and therefore the problems that the connection reliability of the connector and the liquid cooling plate is poor, liquid leakage is prone to occurring, and the reliability is poor are solved. And the cooling effect of the liquid cooling assembly is influenced.