63results about How to "Will not affect the cooling effect" patented technology

The invention relates to the field of optoelectronic packaging and discloses a light-emitting diode (LED) packaging structure and a packaging method thereof. The invention has the following beneficial effects: not passing through a ceramic insulating layer, an LED chip directly keeps away from the low heat conductivity bottleneck, and the heat can not be accumulated in the insulating layer; a metal heat conducting layer can rapidly transfer the heat generated by the LED chip to a metal substrate; the metal substrate has sufficient width and heat dissipation space; and a glass-ceramic insulating layer is manufactured on the metal heat conducting layer by selective laser melting and then a metal electrode layer and external electrodes are manufactured on the glass-ceramic insulating layer, thus not only ensuring insulation of the tube shell with the outside but also having little effect on the overall heat dissipation effect. The required ceramic insulating layer and the metal electrodelayer are formed by laser ablation melting, thus avoiding overall high temperature sintering, dispensing with the high temperature sintering process, saving energy, protecting the environment, enlarging the material types of the selectable metal substrate and being easy to realize industrialization.

The invention discloses a wide-angle LED lamp. The wide-angle LED lamp comprises a lamp plate and a reflection cup, wherein both the inner surface of the reflection cup and the outer surface of the reflection cup can reflect light, the lower end of the reflection cup is arranged on the lamp plate, both the part, on the inner portion of the lower end of the reflection cup, of the lamp plate and the part, on the outer portion of the lower end of the reflection cup, of the lamp plate are provided with LED light sources. Due to the fact that the both the part, on the inner portion of the lower end of the reflection cup, of the lamp plate and the part, on the outer portion of the lower end of the reflection cup, of the lamp plate are provided with the LED light sources and the lamp plate is only one, on one hand, cost is guaranteed not to be increased and machining and assembling difficulty is also reduced, and on the other hand, heat dissipation paths of the wide-angle LED lamp are enough and a heat dissipation effect cannot be influenced. Light emitted by the LED light sources inside the reflection cup is reflected and refracted through the inner surface of the reflection cup, and therefore a light emitting angle is enlarged. Light emitted by the LED light sources outside the lower end of the reflection cup is reflected and refracted through the outer surface of the reflection cup so that the light emitting angle is further enlarged, and accordingly the wide-angle LED lamp is formed.

The invention relates to the technical field of distribution boxes, and discloses a multifunctional protection type distribution box. The distribution box comprises a box body, wherein a support is fixedly mounted on the periphery of the box body; an insulating cushion layer is fixedly installed in the middle of the support, transverse supporting rods are fixedly connected to the top of the support, vertical frames are fixedly connected between the two transverse frames, a separation frame is fixedly connected between the two vertical frames, and a protection net is fixedly installed in a frame formed by the vertical frames and the separation frame. The limiting clamping block drives an electricity testing rod to slide inwards until the rear end of the electricity testing rod is in contactwith a right side door mounted on the front side of the box body; when electric leakage occurs in the box body, the right side door is electrified, the electricity measuring rod makes contact with the right side door at the moment, and if the electric leakage is conducted to an electric leakage indicator lamp through a connecting rod, the electric leakage indicator lamp is turned on to remind anoperator of electric leakage of the distribution box, so that the effect of forcibly conducting electric leakage detection for safety protection before box opening is achieved.

The invention provides a high-voltage power distribution cabinet with good heat dissipation performance, belongs to the technical field of high-voltage power distribution cabinets, and aims to solve the problem that the service life of electronic components in the high-voltage power distribution cabinet is shortened due to the fact that heat dissipation holes in an existing high-voltage power distribution cabinet are easily blocked by external flying dust. The cabinet comprises a cabinet body, the top of the cabinet body is provided with a rain shielding mechanism, the right end face of the cabinet body is fixedly provided with a labor protection storage mechanism and a control box, and the left end face of the cabinet body is provided with a cleaning mechanism at the heat dissipation holes. After a human body induction switch induces a human body, a cleaning motor is started through a control box, then a second driving belt wheel is driven to rotate through a rotating shaft of the cleaning motor, then a second driven belt wheel is driven to rotate through a belt, and then a cleaning brush is driven through the upper end of a connecting rod to do up-down reciprocating cleaning motion at heat dissipation holes formed in the rear end face of the cabinet body. Therefore, the heat dissipation effect in the high-voltage power distribution cabinet is not affected, and the service life of electronic components in the high-voltage power distribution cabinet is prolonged.

The invention discloses a dustproof device of a power transformer. The dustproof device comprises a box body, wherein a component body is fixedly connected to a rear side of an inner cavity of the boxbody, a fan is arranged at the top of a right side of the box body in a penetrating way, a dustproof net is fixedly connected to a right side of the fan, and an air collection cover communicates witha left side of the fan. By application of an air cylinder, a connection rod, a movable rod, a moving plate, a sliding block, a sliding groove, a connection plate and a brush plate in a matching way,the problem of poor dust removal effect of a traditional power transformer dustproof device is solved. The power transformer dustproof device has the advantages of good dust removal effect, dust can be completely cleaned during the dust removal process, the dust removal effect is improved, the cooling effect of the transformer also cannot be affected, the phenomenon that a component in the transformer is burnt out is difficult to generate, serious influence on economy of a user is prevented, the application of the user is facilitated, and the dustproof device is worth promotion and application.

The invention discloses a radiator of a notebook computer for angle adjustment and radiation in the use process of the notebook computer. The radiator comprises a fixed plate whose the upper surface is provided with a slot, a placement plate for placing the notebook computer, an air cooling device arranged at an air vent for accelerating the air flow, and a supporting plate whose one end is hinged with the placement plate and whose other end can extend into the slot, wherein one end of the placement plate is hinged with one end of the fixed plate, and the placement plate is provided with the air vent. In the use process, the notebook computer is placed on the placement plate, and the air cooling device is used for dissipating heat of the notebook computer; and the supporting plate can be plugged inside the slot so as to change the included angle between the placement plate and the fixed plate, and the placement plate can be fixed by the supporting plate at the same time. As a result, the radiator of the notebook computer can be adjusted according to different requirements, so that the scope of application can be effectively enlarged. In addition, the problem that the placement plate directly touches with legs can be solved, the scald phenomenon can be effectively prevented, and the radiation effect is not affected.

The invention discloses a protection mechanism for an urban lighting street lamp based on the Internet of Things. The protection mechanism comprises a street lamp pole and a base. The bottom of the street lamp pole is fixedly connected with the top of the base, a first fixing plate is fixedly connected to the bottom of the surface of the street lamp pole, a fixed sleeve is arranged at the bottom of the surface of the street lamp pole and located at the top of the first fixing plate in a sleeving mode, and a first reinforcing rib is fixedly connected to the interior of the fixing sleeve. The invention relates to the technical field of street lamp protection. According to the protection mechanism for an urban lighting street lamp based on the Internet of Things, the fixed sleeve sleeves thebottom of the surface of the street lamp pole and is arranged at the top of the first fixed plate; the street lamp pole is protected, so that when being subjected to external impact, the street lamp pole is buffered and damped; meanwhile, the rubber sleeve rotates when being stressed and thus acting force can be dispersed, so that the street lamp pole is not prone to bending deformation and breakage and thus the service life of the street lamp is prolonged; and the economic cost of street lamp input is reduced.

The invention provides an intelligent underwater bulldozer and a cooling system thereof, and belongs to the technical field of intelligent underwater bulldozer manufacturing. The cooling system comprises a hydraulic oil cooling system and a power electronic part cooling system, the hydraulic oil cooling system comprises a hydraulic oil tank, a power unit, a testing unit and a heat exchanger, and the testing unit is used for detecting the temperature of hydraulic oil and the instantaneous flow of the hydraulic oil in a cooling pipeline. The heat exchanger is used for heat exchange between the two cooling systems and the outside and heat exchange between the two cooling systems; and the power electronic part cooling system is provided with two parallel water paths, and the sequence of cooling liquid flowing through a heat dissipation part is arranged according to heat generated by a to-be-cooled part and the heat dissipation needs. A weak-demand cooling system of power electronic parts is used for assisting a strong-demand cooling system in heat dissipation, and the system has the advantages of being simple in structural design and obvious in heat dissipation effect.

The invention relates to high-reliability paint spraying equipment. The high-reliability paint spraying equipment comprises a workbench, a main body and a paint spraying mechanism and further comprises a cooling mechanism and a cleaning mechanism, the cooling mechanism comprises a moving rod, a first sealing plate, a second sealing plate, a power assembly, two connecting assemblies and a plurality of cooling fins, the cleaning mechanism comprises a transmission assembly, a scraping plate, a crushing assembly and two moving assemblies, the crushing assembly comprises a driving unit and two crushing units, and each crushing unit comprises a connecting rod, a connecting plate and a plurality of crushing rods. According to the high-reliability paint spraying equipment, through the cooling mechanism, the function of rapidly cooling the workbench is achieved, and therefore, the cooling and forming time of the workpiece on the workbench can be shortened, and the working efficiency is improved; and the function of cleaning the workbench is achieved through the cleaning mechanism, bonded caked paint is prevented from being arranged on workbench, the the phenomenon of uneven paint spraying caused by the fact that the workpiece is placed on the workbench unstably is prevented, and the reliability of the equipment is improved.

The invention discloses a heat dissipation structure of an electric welding machine, which includes a bottom plate of the electric welding machine, a control circuit board, a transformer and a fan, and an aluminum base plate vertically installed on the bottom plate. The control circuit board is connected to the upper surface of the top aluminum heat sink, the transformer is arranged on one side of the aluminum heat sink, the terminals of the transformer extend to the other side of the aluminum heat sink, and the fan is arranged in front of the aluminum substrate In the middle, and the air outlet faces the aluminum substrate. Multiple air ducts are formed between the multi-layered horizontal aluminum heat sinks on the front of the aluminum base plate. The fan blows the wind from the middle of the front to the aluminum base plate, and then flows to both ends of the air duct respectively. There is no dead zone, and the stroke of the cold air is shortened by half. The heat dissipation effect will not be affected by the gradual increase in temperature; the transformer and its terminals are respectively arranged on both sides of the aluminum heat sink, and the wind flowing out of the air duct directly blows away the heat, and the heat dissipation effect is good.

The invention provides an active noise elimination device for a cabinet type case, which structurally comprises a case noise collecting microphone, an error monitoring and correcting microphone, an active noise elimination loudspeaker and a control module, wherein the control module is composed of a main processor DSP, an audio encoder, an audio conditioning circuit, a processor power adapter and a loudspeaker power supply. According to the invention, a noise source, which is collected by the noise collecting microphone in the active noise elimination device, of the cabinet type case is enabled to act as a reference, and noises are counteracted through anti-noise signals which are generated by the active noise elimination loudspeaker according to real-time feedback of a monitoring error of the error monitoring and correcting microphone by using an existing LMS adaptive algorithm technology, wherein the anti-noise signals and noise signals collected by the noise collecting microphone are identical in frequency but opposite in amplitude. By using the active noise eliminating device, noises, which are generated by rotation of a cooling fan, vibration of a cabinet body and the like, of the cabinet type case can be greatly reduced, and noise pollutions of a work environment are reduced.

The invention discloses a computer case with good dustproof and damping effects. The computer case comprises a main case body, wherein a damping seat is arranged at the bottom of the main case body; agrab handle is arranged on the upper end surface of the main case body; the grab handle is sleeved with a protective sleeve; and a dustproof edge is arranged at the upper section of the front end surface of the main case body. According to the computer case with the good dustproof and damping effects, by arranging the dustproof cover, a locking rod, a rear sealing plate and the like, the dustproof and damping effects of the computer case are improved, and the problems that at present, most computer cases are poor in dustproof effect, serious in dust falling and poor in case damping effect aresolved.

The invention discloses a battery heat management device, a battery module and a battery heat management method. The battery heat management device comprises a containing body, a first temperature phase change body, a second temperature phase change body, a heat pipe and a heat exchange assembly; the containing body is provided with a containing cavity, and the first temperature phase change body is arranged in the containing cavity and forms at least one heat insulation cavity and a plurality of battery monomer mounting cavities; the heat insulation cavity is located among the battery monomer mounting cavities, the phase change temperature of the second temperature phase change body is higher than that of the first temperature phase change body, the second temperature phase change body is arranged in the heat insulation cavity and divides the accommodating cavity into a plurality of heat management areas, and the heat pipe is in heat exchange connection with the first temperature phase change body and the second temperature phase change body. The heat exchange assembly is in heat exchange connection with the first temperature phase change body. The thermal management of conventional heat dissipation, low-temperature heating and thermal runaway diffusion inhibition of the battery can be realized, and the thermal performance and thermal safety of the battery are improved.

The invention discloses a spray paint for artificial turf and a preparation method thereof, belonging to the technical field of paints for artificial turf. According to technical main points in the invention, the spray paint for the artificial turf comprises a component A and a component B. The component A comprises, by weight, 20-30 parts of ethyl silicate, 15 to 25 parts of a polyurethane emulsion, 8 to 10 parts of an acrylic emulsion, 3-10 parts of an inorganic heat-conducting filler, 6-8 parts of an organic heat-conducting filler, 1-3 parts of a silane coupling agent, 4-8 parts of an auxiliary agent and 30 to 60 parts of a solvent; and the component B comprises, by weight, 5-10 parts of epoxy resin. The prepared paint has the advantages of hydrophobicity, no proneness to dust adhesionand good heat dissipation effect.

The invention relates to the technical field of material rolling, and discloses a heat dissipation material for mobile phones and a processing technology thereof. The processing technology of the heat dissipation material comprises the following steps of: raw material selection, composite treatment, polishing treatment, first diffusion annealing treatment and calendering treatment. According to the processing technology of the heat dissipation material for mobile phones, a copper strip and a titanium strip are compounded into a whole through certain mechanical occlusion, the heat dissipation material produced through the processing technology integrates the performance characteristics of titanium and copper, good strength and toughness are kept, good heat conductivity is achieved, and therefore, the heat dissipation requirement of mobile phones can be fully met; and meanwhile, the heat dissipation and heat conduction performances of the heat dissipation material are adjusted by adjusting the thickness ratio of the copper strip to the titanium strip, process adjustment is flexible, and only the thickness of metal before compounding needs to be changed.

The invention discloses a low-noise aluminum shell motor with a sound absorbing cover, and relates to the technical field of motors. The low-noise aluminum shell motor comprises a motor shell; a motorrotor is arranged in the motor shell; one end of the motor rotor extends to one side of the outer wall of the end part of the motor shell and is rotationally connected with the motor shell; the tailend of the motor shell is fixedly connected with a noise reduction device; a cooling device is arranged inside the noise reduction device; and the tail end of the noise reduction device is fixedly connected with an air inlet and sound insulation device. The tail of the motor shell is fixedly connected with a sound insulation frame body, and a noise reduction block is arranged on the inner wall ofthe sound insulation frame body; a heat dissipation fan which rotates at a high speed can be subjected to sound insulation and noise reduction operation through the arrangement of the noise reductionblock; and the noise reduction block is made of a porous material with numerous tiny open pores from the surface to the interior for acoustic wave attenuation, so that the noise reduction and energy absorption effects are achieved and the noise generated by high-speed running of a heat dissipation part of the high-speed motor under the high-speed rotation condition can be reduced.

The invention discloses a compensation box for transformer area low voltage reactive power compensation, which comprises a box body mounted on a telegraph pole and a box door movably connected onto the box body, wherein the side wall of the box body is provided with first cooling holes; the place, close to the side wall, in the box body is provided with a lifting side plate capable of moving vertically; the side wall, towards the box body, of the lifting side plate extends to form convex eaves for enabling the first cooling holes to be embedded; the top of the box body is provided with a driver for lifting the lifting side plate; and when the lifting side plate moves upwardly, the convex eaves are separated from the first cooling holes. The compensation box for transformer area low voltage reactive power compensation has the advantage of effectively reducing the possibility of rainwater entering the compensation box.

The invention discloses a drop-resistant and dust-proof computer case. The computer case comprises a case body; a sidewall of the case body is in an open structure; a dust-proof net is clamped on an opening of the sidewall of the case body; a roller blind adapted to the dust-proof net is fixed on a top edge of the case body by using a shaft; a circuit board is provided in an inner chamber of the case body; both an upper end and a lower end of the circuit board are fit and fixed via a spring seat with a first damper spring on two sides of an inner wall of the case body; and damping pads are fixed on four corners of a top end and four corners of a bottom end of the case body, wherein the damping pads comprise damping felt; both an upper surface and a lower surface of the damping felt are fixedly connected via an end of a spring of the spring seat; and the other end of a second damping spring and a damping rubber pad are fixedly connected via the spring seat. The drop-resistant and dust-proof computer case is simple in structure; dust-proof performance and drop-resistant performance of the computer case can be effectively improved; and service life of the computer case is prolonged.

The invention discloses an LED ceiling lamp with an optical lens cover. The LED ceiling lamp comprises a lamp plate and a reflection cup with the inner surface and the outer surface capable of reflecting light. The lower end of the reflection cup is arranged on the lamp plate, and LED light sources are arranged at the positions, inside and outside the lower end of the reflection cup, of the lamp plate. The lower end of the reflection cup is buckled on the lamp plate, the LED light sources are arranged at the positions, inside and outside the lower end of the reflection cup, of the lamp plate,only one lamp plate exists, it is ensured that the cost cannot be increased, machining assembling difficulty is reduced, on the other hand, the heat dissipating path is enough, and the heat dissipating effect is not affected; light emitted by the LED light source in the reflection cup passes through the inner surface of the reflection cup to be reflected and refracted, the light emit angle is increased, light emitted by the LED light source outside the lower end of the reflection cup passes through the outer surface of the reflection cup to be refracted and reflected, the light emit angle is further increased, and the large-angle emit-lighting LED lamp can be wholly formed.

The invention discloses a brushless motor base structure, and relates to the technical field of motor bases. Comprising a mounting base, a groove is formed in the top of the mounting base, a motor body is fixedly mounted on the inner wall of the groove, a transmission shaft is fixedly mounted at the output end of the motor body, and a gear is fixedly mounted on the outer wall of the transmission shaft; and a sealing cover plate penetrates through the inner wall and the outer wall of the groove, is rotationally mounted on the groove and is fixedly connected with the inner wall of the mounting base through a first torsional spring. According to the brushless motor base structure, when a motor body works, a gear can be driven to rotate, when the gear rotates, a rack plate can be driven to move downwards, the rack plate can drive a sealing cover plate to rotate anticlockwise through transmission of a first connecting rod, and the sealing cover plate can open a groove of a mounting base; and normal heat dissipation of the motor body is not influenced when the motor body works, so that the service life of the motor body is prolonged.

The invention discloses a compensation box for low-voltage reactive power compensation in a station area, which includes a box body for installation on a utility pole and a box door movably connected to the box body. The side wall of the box body is provided with The first heat dissipation hole, the box is provided with a lifting side plate that can move up and down near the side wall, and the lifting side plate extends toward the side wall of the box body with a convex eave for inserting the first heat dissipation hole, and the box body The top of the top is provided with a driver for lifting the lifting side plate. When the lifting side plate moves upwards, the convex eaves are separated from the first cooling hole. The advantage of the present invention is that it can effectively reduce the risk of rainwater entering the compensation box. probability.

The invention discloses an electric control box, an air conditioner and an outdoor unit of the air conditioner. The electric control box comprises an outer shell and a water retaining part. A heat radiator and an electric control board are arranged in the outer shell, the water retaining part is mounted in the outer shell and partitions an interior space of the outer shell into two chambers, the heat radiator and the electric control board are positioned in the two chambers correspondingly, and the water retaining part is provided with a plurality of vent holes through which the two chambers are communicated. According to the technical scheme, the water retaining part is mounted between the heat radiator and the electric control board, so that a waterproof effect of the electric control board is achieved.

The invention relates to an LED power supply box and a display screen, the LED power supply box comprises a box body, a closed accommodating cavity is enclosed by the box body, the box body is provided with an inner surface and an outer surface which face opposite directions, and the inner surface defines a part of boundary of the accommodating cavity; a power supply which is arranged on the innersurface and is positioned in the accommodating cavity; and a heat dissipation piece which is arranged on the outer surface and located outside the containing cavity, and the heat dissipation piece discharges heat generated by the power supply to the outside of the containing cavity. External liquid and dust cannot penetrate through the box body to enter the accommodating cavity, so that an erosion effect on the power supply is avoided, and the service life of the whole LED power supply box is prolonged. Meanwhile, the heat dissipation piece is located on the outer surface of the box body andlocated outside the containing cavity, the heat dissipation piece has good heat dissipation performance, and the defect that heat dissipation of the closed containing cavity is inconvenient is effectively overcome. And moreover, the heat dissipation piece can bear stronger external impact capacity, so that the applicability of the LED power supply box to different working environments is improved,and the LED power supply box is ensured to always have good heat dissipation performance.

The invention discloses a self-fastening type lubricating bearing plate, which comprises a lubricating copper powder layer, a steel plate layer, an epoxy structural adhesive layer, a fluorine-layer-containing polyimide film layer, a thermal conductive rubber layer, a heat dissipation layer and a zinc oxide layer. The heat dissipation layer comprises porous fiber and aerogel; and the porous fiber is located in the aerogel. The porous fiber comprises perforated fiber and a porous fiber glue layer. The porous fiber glue layer is positioned on that outer surface of the perforated fiber. A graphene layer structure is arranged in the pores of the porous fiber glue layer. The lubricating copper powder layer, the steel plate layer, the epoxy structural adhesive layer, the fluorine-layer-containing polyimide film layer, the thermal conductive rubber layer, the heat dissipation layer and the zinc oxide layer are sequentially arranged. On the steel plate layer, a groove is arranged on a first winding side edge, a bulge is arranged on a second winding side edge, and powder adhesive layers are arranged on the outer surfaces of the first winding side edge and the second winding side edge; while improving the excellent heat dissipation performance of a self-lubricating bearing, the bending effect can be exerted.

The invention discloses a vertical cabinet type super capacitor system, comprising a cabinet body, a cavity body 1 is arranged in the cabinet body, a cavity body 2 is arranged at the front of the cabinet body, a plurality of through holes 1 are installed at the rear end of the cavity body 2, and a lower part of the cabinet body is arranged Cavity 3, the upper end of cavity 3 is provided with a number of through holes 3, cavity 4 is symmetrically arranged on the left and right sides of cavity 3, semiconductor refrigerator 1 is installed between cavity 3 and cavity 4, and the lower end of the cabinet is provided with grooves, concave The second filter screen is installed at the bottom of the groove, the top of the groove is provided with a number of through holes IV, the lower end of the cabinet is symmetrically set with a conveying groove, and the inner bottom of the conveying groove is equipped with a filter screen III. The invention has good cooling effect and can effectively prolong the service life of the capacitor box module.

The invention discloses a power-on control circuit of an airborne laser photometer. The main technical content is that a first switch and a resistor are connected in series in the main power line of the laser photometer, and two circuits connected in series connect the two circuits. A second switch is connected in parallel to the end; a voltage monitoring circuit is connected in parallel to the energy storage capacitor of the laser photometer; the microprocessor controls the first and second switches to close and merge according to the power-on signal of the laser photometer and the effective signal of the voltage monitoring circuit. Send the charging completion information to the superior control system. The invention can connect the resistance into the main power line when the energy storage capacitor is charged, and separate the resistance from the main power line after the charging is completed, thus greatly reducing the current change rate of the laser photometer at the moment of power-on, effectively reducing the The external electromagnetic radiation of the main power line of the laser photometer improves the electromagnetic compatibility between the sensors of the airborne photoelectric stabilization platform.

The invention relates to the field of optoelectronic packaging and discloses a light-emitting diode (LED) packaging structure and a packaging method thereof. The invention has the following beneficial effects: not passing through a ceramic insulating layer, an LED chip directly keeps away from the low heat conductivity bottleneck, and the heat can not be accumulated in the insulating layer; a metal heat conducting layer can rapidly transfer the heat generated by the LED chip to a metal substrate; the metal substrate has sufficient width and heat dissipation space; and a glass-ceramic insulating layer is manufactured on the metal heat conducting layer by selective laser melting and then a metal electrode layer and external electrodes are manufactured on the glass-ceramic insulating layer, thus not only ensuring insulation of the tube shell with the outside but also having little effect on the overall heat dissipation effect. The required ceramic insulating layer and the metal electrode layer are formed by laser ablation melting, thus avoiding overall high temperature sintering, dispensing with the high temperature sintering process, saving energy, protecting the environment, enlarging the material types of the selectable metal substrate and being easy to realize industrialization.

The invention provides an intelligent underwater bulldozer and a cooling system thereof, belonging to the technical field of intelligent underwater bulldozer manufacturing. The cooling system includes a hydraulic oil cooling system and a power electronic component cooling system. The hydraulic oil cooling system includes a hydraulic oil tank, a power unit, a test unit and a heat exchanger. The test unit is used to detect the temperature of the hydraulic oil and the hydraulic pressure in the cooling pipeline. The instantaneous flow of oil, the heat exchanger is used for heat exchange between the two cooling systems and the outside world and between the two cooling systems; the power electronic component cooling system has two parallel waterways, which are adjusted according to the heat generated by the components to be cooled and the heat dissipation requirements The order in which the coolant flows through the cooling components is arranged. The invention utilizes the weak-demand cooling system of power electronic components to assist the strong-demand cooling system to dissipate heat, and has the advantages of simple structural design and obvious heat dissipation effect.