66results about How to "Adapt to cooling needs" patented technology

The invention relates to an engine cooling system adopting a delayed circulation flow path. The engine cooling system comprises a high-temperature circulating cooling system and a low-temperature circulating cooling system, wherein the high-temperature circulating cooling system comprises a large circulation cooling fluid flow path, a small circulation cooling fluid flow path and a delayed circulation cooling fluid flow path. The engine cooling system has the beneficial effects that the heating requirements of all the parts after an engine stops can be better met and the problem of the flow direction of cooling circulation among different parts can be solved by adding an electronic control auxiliary water pump to the high-temperature circulating cooling system and realizing delayed circulation.

The invention discloses a micro-channel cold plate structure. The micro-channel cold plate structure comprises a substrate and a micro-flowing-channel network processed on the substrate; and the micro-flowing-channel network comprises a shunting structure, a partial micro-channel network and a confluence structure in a combined manner. The micro-channel cold plate structure has the beneficial effects as follows: reasonable flow deploying of a cooling working medium is realized through T-shaped flowing channels, and then heat transfer is strengthened by tree-like and parallel micro channels; finally, energy re-confluence is realized through inverse Y-shaped two-furcation flowing channels, so that high channel distribution uniformity is realized, and the network can be uniformly distributed in the whole to-be-dissipated region; the overall micro-fluid network is in all-parallel-connection way, so that high temperature consistency is achieved; the cooling working medium flows smoothly in the flowing channels, so that low flowing resistance is formed; and furthermore, the micro channels in each group of the partial micro-channel network are arranged in parallel, and the channels are more in branches and high in span, so that the process can be realized conveniently, partial pressure loss can be lowered, and the heat dissipation performance of the micro-channel cold plate can be further improved.

The invention relates to a multi-circulation engine cooling system. The multi-circulation engine cooling system comprises a high-temperature circulating cooling system and a low-temperature circulating cooling system, wherein the high-temperature circulating cooling system comprises a large circulation cooling fluid flow path, a small circulation cooling fluid flow path and a delayed circulation cooling fluid flow path. The multi-circulation engine cooling system has the beneficial effects that the heating requirements of all the parts after an engine stops can be better met and the problem of the flow direction of cooling circulation among different parts can be solved by adding an electronic control auxiliary water pump to the high-temperature circulating cooling system and realizing delayed circulation.

The invention discloses a villous fin fiber composite groove type special-shaped heat pipe. The villous fin fiber composite groove type special-shaped heat pipe comprises a heat pipe body with a special-shaped section. Grooves are formed in the inner wall of the heat pipe body. A villous fin fiber layer is laid on the inner wall of the heat pipe body. Villous fin fibers are metal fibers which are provided with irregular protrusions and/or pits on surfaces and are of a villous fin structure. The invention further discloses a manufacturing method of the villous fin fiber composite groove type special-shaped heat pipe. According to the villous fin fiber composite groove type special-shaped heat pipe, the capillarity attraction of a heat pipe wick is effectively improved, split-flow of liquid and steam inside the heat pipe is realized, the heat transfer performance of the heat pipe is effectively enhanced, the defect that groove type heat pips are low in threshold power is overcome, liquid permeability is improved, the resistance of working medium backflow is reduced, and the defect that traditional groove type heat pipes cannot be bent or flattened is overcome; and the heat pipe is a special-shaped pipe, so that the air flow section area is increased, air resistance is effectively reduced, the cooling air flow quantity is increased, and heat exchange performance is improved.

The invention discloses an altitude correction method and system for regulating and controlling a server fan, which belong to the technical field of heat radiation of servers. The altitude correction method for regulating and controlling the server fan comprises the following steps: fitting a fan duty ratio correction parameter calculation formula according to air densities of different altitudes, importing a correction parameter, obtained according to the correction parameter calculation formula, as a variable into a fan regulation and control program, so that the fan regulation and control program can increase or decrease a fan duty ratio needed by the heat radiation of the fan according to the altitude and adjust a rotation speed of the fan according to the fan duty ratio, wherein an altitude numerical value input interface is reserved in the fan regulation and control program, and an altitude numerical value can be input by virtue of the input interface. By adopting the altitude correction method for regulating and controlling the server fan, along with different application altitudes of a server, the real fan rotation speed can meet the heat radiation requirement of high altitude areas, and the popularization and application value is high.

The invention discloses a circuit board with a heat conduction structure. The circuit board comprises multiple layers of circuit boards, and is characterized in that at least one support body is mounted between every two adjacent layers of the circuit boards, so that a cavity is formed between the two layers of the circuit boards; the cavity is filled with a heat conduction medium; and the heat conduction medium and the support body form a heat conduction structure. According to the structure, heat dissipation of the circuit board is achieved through the heat conduction structure with a smallsize, so that lighting and thinning heat dissipation requirements of a small electronic device are met; and furthermore, the heat conduction structure is added without changing a circuit layout of theexisting circuit board, so that the design cost of the circuit board is not increased. The invention further discloses a fabrication method of the circuit board with the heat conduction structure. The fabrication method is simple to operate; and the fabricated circuit board has good heat dissipation characteristics.

The invention discloses a radiator for an electronic component. The radiator comprises an upper air chamber piece, a microjet hole piece and a lower mounting piece, which are sequentially stacked fromtop to bottom, wherein the upper air chamber piece is provided with a fluid inlet and an upper chamber cavity communicating therewith; the microjet hole piece comprises an upper microjet hole plate,a lower microjet hole plate, airflow pipes and fluid outlet pipes; the upper microjet hole plate is positioned at the upper chamber cavity and is spaced from the lower microjet hole plate to form a hole plate cavity in combination with the lateral surface of the microjet hole piece; the airflow pipes are arranged in parallel in the hole plate cavity and correspondingly communicate with microjet spray holes uniformly distributed in the upper microjet hole plate and the lower microjet hole plate; reflowing holes are also uniformly distributed in the lower microjet hole plate; the fluid outlet pipes are uniformly distributed on the lateral surface of the microjet hole piece and communicate with the hole plate cavity; an aluminum base is arranged in the lower mounting piece and is spaced fromthe lower microjet hole plate in parallel to form a jet cavity; and a mounting position for placing the electronic component is formed below the aluminum base. The radiator is simple and compact in structure and reasonable in design and the electronic component can be cooled more efficiently and safely.

The invention provides a directional heat conduction material as well as a preparation method and application thereof. The directional heat conduction material comprises a polymer matrix and anisotropic heat conduction fibers filled in the polymer matrix, the anisotropic heat conduction fibers are directionally arranged in the polymer matrix, and the anisotropic heat conduction fibers are orientedalong the directional arrangement direction. The directional heat conduction material at least has the following beneficial effects: the directional heat conduction material utilizes the anisotropicheat conduction fillers to form directionally arranged heat conduction fibers, and the heat conduction fibers are also oriented along the arrangement direction of the heat conduction fibers on the microscale, so that the heat conduction material can utilize the anisotropy of the fillers to the greatest extent; the orientation degree of the fillers is greatly improved, the high heat conduction performance can be achieved with the low proportion of the anisotropic heat conduction fillers, and the heat dissipation requirement brought by high-speed development of electronic devices is further met.

The invention relates to a cooling system of an engine. The cooling system comprises a high-temperature circulation cooling system and a low-temperature circulation cooling system. The high-temperature circulation cooling system is provided with a large-circulation cooling liquid flow way, a small-circulation cooling liquid flow way and a delay-circulation cooling liquid flow way. Delay circulation is achieved by adding an electric control auxiliary water pump to the high-temperature circulation cooling system, the heating requirements of all parts after the engine stops can be better met, and the flowing direction problem of cooling circulation between different parts is solved.

The invention discloses a spraying liquid cooling phase change module for a server, a control method and a manufacturing method thereof, the spraying liquid cooling phase change module comprises a phase change heat transfer module and a spraying cooling module, the phase change heat transfer module comprises an evaporation end, a heat insulation end and a condensation end, and the condensation end is fixed with the spraying cooling module. The array type spraying layout is adopted, on one hand, the spraying area is increased, the cooling capacity acting on the heat exchange face is more uniform, and therefore the temperature of local hot spots generated due to uneven heat transfer in a server chip is reduced; on the other hand, on the premise of ensuring the spraying efficiency, the spraying height is reduced, and the size of the spraying cooling module is reduced.

The invention relates to the field of automobile accessories, in particular to a multichannel super-soft low-loss high temperature-resistant vehicle-mounted CAN signal bus, which comprises a first protective layer, a first filling layer, a second protective layer, a second filling layer, a third protective layer, a third filling layer, a transmission line, a terminal resistor, first special-shapedheat pipes, a second special-shaped heat pipe and a third special-shaped heat pipe, wherein the first special-shaped heat pipe is a spiral micro heat pipe; each first special-shaped heat pipe is parallel with the axial direction of the transmission line; and multiple first special-shaped heat pipes are arranged in a surrounding manner in the third filling layer. The first special-shaped heat pipes are used to cool the working environment of the transmission line, and the twisting, bending and compression resistance characteristics of the self spiral structure of the first special-shaped heatpipe play buffering and resisting roles for the external force applied to the transmission line.

The invention relates to a cooling system for an engine. The cooling system comprises a high-temperature circulating cooling system and a low-temperature circulating cooling system, wherein the high-temperature circulating cooling system comprises three cooling liquid flow paths, namely, a large circulation cooling liquid flow path, a small circulation cooling liquid flow path and a delayed circulation cooling liquid flow path. According to the cooling system, an electronic control auxiliary water pump is added for the high-temperature circulating cooling system, and delayed circulation is achieved, so that the heat supply demands of all the parts after engine halt can be better met, and the flow direction problem of cooling circulation among different parts is solved.

The invention relates to an engine cooling system. The engine cooling system comprises a high-temperature circulating cooling system and a low-temperature circulating cooling system, wherein the high-temperature circulating cooling system comprises a large circulation cooling fluid flow path, a small circulation cooling fluid flow path and a delayed circulation cooling fluid flow path. The engine cooling system has the beneficial effects that the heating requirements of all the parts after an engine stops can be better met and the problem of the flow direction of cooling circulation among different parts can be solved by adding an electronic control auxiliary water pump to the high-temperature circulating cooling system and realizing delayed circulation.

The invention belongs to the technical field of logic control, and particularly discloses a refrigerating capacity distribution method which comprises the following steps: acquiring refrigerating requirements of a passenger compartment and a battery, executing a first logic if the passenger compartment has no refrigerating requirement and the battery has the refrigerating requirement, and executing a second logic if both the passenger compartment and the battery have the refrigerating requirement; the first logic comprises the steps that the refrigerant superheat degree is obtained, and the opening degree of the electronic expansion valve is controlled through a PID algorithm; the second logic comprises the steps that the battery working temperature is obtained, and the opening degree of the electronic expansion valve is obtained in combination with the preset battery working temperature-electronic expansion valve opening degree mapping relation. The invention further discloses a control system for the electronic expansion valve of the extended-range electric vehicle. The control system comprises a monitoring unit, a first cooling request unit, a second cooling request unit and a control unit. According to the scheme, a forced control scheme is reasonably set, serious overshoot of system control is avoided, meanwhile, the refrigerating capacity distribution is finely controlled, and the refrigerating requirements of the battery in different working conditions are better met.

The invention relates to an engine cooling system and a vehicle. The engine cooling system comprises a turbine pump (1) and a radiator (3), wherein a first air inlet (11) of the turbine pump (1) is used for communicating with the air passage a second exhaust port (21) of an engine (2) to drive the turbine pump (1) through the exhaust gas of the engine (2); the first liquid inlet of the turbine pump (1) communicates with the liquid path of the second liquid outlet (22) of the engine (2); the third liquid inlet (31) of the radiator (3) communicates with the liquid path of the first liquid outlet(13) of the turbine pump (1); and the third liquid outlet (32) of the radiator (3) is used for communicating with the liquid path of the second liquid inlet (23) of the engine (2). Through the technical scheme, the engine cooling system can solve the technical problems that the energy consumption of the finished vehicle is high and the system complexity is high caused by the reason that the engine cooling system adopts an electronic water pump for driving.

The invention provides a phase transition radiator for a high power LED lighting lamp. The radiator comprises an evaporator (1), evaporation coils (2), fins (3) and fixed baffle plates (4). The radiator is characterized in that, the evaporation coils (2) are made by multi-pass rotary bending of a whole continuous pipe. The phase transition radiator for a high power LED lighting lamp of the invention has good reliability, strong radiation capacity, and high radiation efficiency. Moreover, the radiator has light weight, low cost and easy manufacture.

The invention discloses an inclined hole laser cutting method and cutting device. Firstly, a plate is placed on a machining tool to be clamped; then a reference zero point of laser cutting is set, a cutting path program is written according to an inclined hole to be machined, and the cutting path program is input to the machining tool; according to the thickness of the plate, the cutting power and the cutting angle of the machining tool are set, and heat field distribution of the plate in the cutting process is established through simulation software; and finally, the machining tool is started for cutting, nitrogen is used for blowing away slag during cutting, a water mist spray head is arranged below the plate, water mist is sprayed out to cool the plate according to heat field distribution, and final cutting is completed. The water mist spray head is controlled by a plate heat field to correspondingly cool the plate, cooling uniformity is improved, deformation of the plate is avoided, compared with a traditional machining mode, loss is less, machining speed is high, efficiency is higher, control is accurate, and ideal inclined holes can be obtained in a laser cutting mode according to materials of different plate thicknesses and different materials.