189results about How to "Meet cooling requirements" patented technology

The invention discloses a chip cooling device which comprises a cooling room positioned at the bottom of the device and matched with the chip, a cooling liquid pond stored with cooling liquid, a firstmicro channel, a first micro pump, a second micro channel, a micro nozzle, a third micro channel, a second micro pump, a fourth micro channel, a condenser and a micropore, wherein one end of the first micro pump is communicated with the cooling liquid pond by the first micro channel and the other end is communicated with the micro nozzle by the second micro channel; the micro nozzle is arranged above the cooling room and communicated with the cooling room; one end of the second micro pump is communicated with the cooling room by the third micro channel and the other end is communicated with the condenser by the fourth micro channel; the condenser is positioned above the cooling liquid pond and a condensing channel is arranged in the interior of the condenser; and a radiating fin is arranged on the top of the condensing channel which is communicated with the cooling liquid pond by the micropore. The chip cooling device has small volume, high heat dissipation efficiency, very high controllability and working flexibility and can meet the cooling requirements of the chip in different working conditions.

The invention provides an application method and an application system of a multifunctional cooling tower. The application system of the multifunctional cooling tower is characterized in that the application system can provide a natural cold source and/or a water cooling mechanical cold source; refrigeration equipment, a three-way valve I, an inner circulation system of a closed cooling tower, a system pressure stabilization and water replenishing device, a circulating pump, a three-way valve II and a water chiller are orderly communicated by pipes and form a first loop; and the water chiller, a three-way valve III, a spray pump and an outer circulation system of the closed cooling tower are orderly communicated by pipes and form a second loop. The application system and the application method of the multifunctional cooling tower can provide natural cold source states and flexibly select cold source taking ways according to temperatures of an inlet and an outlet of the refrigeration equipment and a natural environment, realize that the closed cooling tower has functions of the existing closed cooling tower and the existing open cooling tower, avoid utilization of an open cooling tower, reduce a cost and energy consumption, save energy and a floor space, reduce installation and maintenance time, improve reliability and prolong a service life of the whole application system.

The patent of the present invention discloses a variable angle fan, which realizes the parallel and non-parallel control of the blade angle by controlling the oil pressure of the solenoid valve, and realizes the problem of changing the airflow size at low cost, and then adjusts the positive and negative angles of the non-parallel angle. The effect of changing the air flow direction is realized, and the purpose of automatically cleaning the water tank and improving the heat dissipation efficiency is achieved. Compared with the prior art, the invention has the advantages of simple structure and low cost, and can meet the engineering application.

The invention relates to a cab air conditioner used for adsorbing the tail gas of a truck to cool, comprising generators, a condenser, a liquid receiver, a throttle, an air conditioner of an air cooler containing ammonia, a desorption check valve unit, an adsorption check valve unit, a tail gas input programmable valve unit, a cooling water input programmable valve unit, a PLC programmable controller, a cooling water storage tank, a water pump and a chiller which are communicated by a pipeline valve into a loop; the PLC programmable controller is used for programmable controlling; the tail gas of a truck engine is used for heating and desorbing one of the generators; circulating cooling water is used for cooling and adsorbing the other two generators, thus forming three generator adsorption cooling systems, and further forming desorption and adsorption circulation of ammonia; the cooling circulation of ammonia drives the ammonia cooling fan to cool the truck cab. The air conditioner of the invention combines a multi-generator adsorption cooling system and high-temperature adsorbent, and still effectively realizes adsorption and cooling under the conditions that the cooling water is higher than air temperature, and realizes the air-cooled circulation of cooling water for the generators.

The invention discloses a high total pressure large-flow wheel disk side beveling type back-ward impeller fan, belonging to the technical field of fans. The fan is characterized by being composed of an angle iron flange, a wind scooper, an air intake barrel, a rotor cap, an impeller, the outer barrel of an air outlet barrel, the inner barrel of the air outlet barrel, a guide vane, a motor, a bracket and the like, wherein the inlet of the fan is provided with the wind scooper and extends into the inlet part of the impeller; the hub of the impeller is additionally provided with the rotor cap; the outlet of the impeller, i.e. the edge of the wheel disk, adopts a bevelling structure, and the impeller vane has two types of linear type and circular arc type; the joint assembly point of the air intake barrel and the air outlet barrel of the impeller, i.e. the wheel cover side of the impeller outlet, is provided with the baffle; the isopachous guide vane is welded between the inner barrel of the air outlet barrel and the outer barrel of the air outlet barrel; the side of the inner barrel and outer barrel of the air outlet barrel, which is near the wheel disk of the impeller, is opened; and the air outlet of the fan is divided into a main runner air outlet and a motor cooling flow air outlet. The invention not only satisfies the requirements of high total pressure and large flow operation of the cooling fan but also improves the air flowing situation in the fan to lower flowing loss and noise.

The invention provides a cooling and conveying device, and belongs to the technical field of conveying devices. The cooling and conveying device comprises a tank, a spindle, a driving mechanism, a feed inlet, a discharge outlet and a cooling mechanism. Advancing blades are intermittently arranged on the spindle and comprise cavity matrixes and spiral blades, the spiral blades are arranged on the cavity matrixes, the cooling mechanism comprises a water inlet pipe, communicating pipes and a water outlet pipe, the water inlet pipe, the communicating pipes and the water outlet pipe are arranged in the spindle, and the water inlet pipe, the cavity matrixes and the water outlet pipe are sequentially communicated with one another via the communicating pipes. The cooling and conveying device has the advantages that the cooling and conveying device is novel in structure and reasonable in design and can be applied to mixing, conveying and cooling expanded ammonium nitrate explosive, the expanded ammonium nitrate explosive can be sufficiently mixed, products are good in free-running property and stable in quality, and good cooling effects can be realized.

The invention discloses a water pump and a vehicle provided with the same. The water pump comprises a pump body and a blade, wherein a part of the blade is arranged in the pump body, the blade is driven to be capable of moving relative to the pump body so as to enable a distance between one end of the blade located outside the pump body and the center of the pump body to be adjustable. By adjusting the distance between the outer end of the blade and the center of the pump body, centrifugal force provided by the water pump is changed, and convection volume adjustment is achieved. For example, when the water pump is used for cooling an engine, the length of the blade extending out of the pump body can be adjusted according to the working condition of the engine, accordingly appropriate coolant flows can be obtained, the engine is fully cooled, engine overcooling or overheating phenomenon of the engine is avoided, and the service life of the engine is prolonged.

The invention discloses a refrigerator with a forced refrigerating function and a control method thereof. The refrigerator comprises a box body, door bodies, a trigger switch and a controller, wherein chambers are defined in the box body; the door bodies are arranged on the box body and are used for opening and closing the chambers; the trigger switch is used for switching the refrigerator from a normal working mode to a forced refrigerating mode; and the controller is used for controlling a refrigerating system to carry out forced refrigeration on the chambers after the refrigerator enters the forced refrigerating mode and controlling the refrigerator to enter the normal working mode after reaching preset time. According to the refrigerator with the forced refrigerating function and the control method thereof, which are disclosed by the invention, the requirement of users for cooling each chamber of the refrigerator under special conditions is met; complex components do not need to be additionally arranged; the refrigerator can be implemented by a simple control circuit; and the refrigerator has the advantages of simplicity, convenience and easiness for operation.

The invention discloses a sealed cooling tower and solves the problems that an existing cooling tower is filled with polyvinyl chloride packing and the heat exchange efficiency is low. The sealed tower comprises a tower body, a spraying system, a heat exchange part and a fan, wherein the heat exchange part is a cooler; multiple shell type heat exchange units are vertically arranged in the cooler at intervals; a spraying and air flow channel is formed between the outer walls of two adjacent heat exchange units; at least one inlet and at least one outlet are formed in each heat exchange unit; at least one set of to-be-cooled medium channel penetrating through the inlet and the outlet of each heat exchange unit is formed in the heat exchange unit; the inlets of the heat exchange units are communicated with one another and are converged to form a to-be-cooled liquid medium inlet; the outlets of the heat exchange units are communicated with one another and are converged to form a to-be-cooled liquid medium outlet. The inside structure of the sealed cooling tower is simplified and the cooling efficiency is improved.

The invention provides a proton accelerator cooling water temperature control system and method. A secondary cooling water circulation system ensures that the temperature of output secondary cooling water meets the technological requirement through the PID control of cooling tower fans and the control of a second electromagnetic three-way valve of frozen water, and primary circulating water cooledby a load and secondary cooling water exchange heat through a primary plate exchanger to reduce the temperature. In addition, a primary cooling water control system makes the cooling water meet the cooling requirement of proton acceleration equipment through common adjustment of the serial PID control of a first electromagnetic three-way valve of secondary cooling water and the PID control of electric heaters.

The invention belongs to the field of superconducting circular accelerators, and provides a cooling method for a superconducting magnet of a superconducting circular accelerator in order to solve the problems that in China, the existing cooling methods for superconducting magnets are complex in procedure and large in time consumption for cooling and the like. The cooling method includes the steps of (1) vacuumizing the superconducting magnet; (2) conducting liquid nitrogen refrigeration on the superconducting magnet, and meanwhile adjusting length of a pulling rod of the superconducting magnet in a radial direction; (3) exhausting liquid nitrogen and vacuumizing the superconducting magnet; (4) conducting liquid helium refrigeration on the superconducting magnet to complete cooling. The cooling method for the superconducting magnet of the superconducting circular accelerator adopts a two-segment cooling mode including a liquid nitrogen cooling process and a liquid helium cooling process; the cooling procedures are designed reasonably, the cooling time is short, the operation is convenient, and the cooling method can effectively reduce consumption amount of the liquid nitrogen and the liquid helium on the premise of meeting the cooling demands for superconducting coils.

The invention relates to a method and apparatus to regulate oil pressure via controllable piston cooling jets. A method of regulating oil pressure within an engine assembly is provided. The engine assembly includes an oil pump configured to provide oil to an oil system of the engine assembly; a piston cooling jet configured to direct a jet of oil from the oil system towards a piston of an engine;and an electronic control valve configured to control the flow of oil to the piston cooling jet. The method includes operating the electronic control valve to provide a flow rate of oil above a threshold flow rate to the piston cooling jet when the engine assembly is operating above a threshold power output or engine running speed; and regulating the pressure of oil within the oil system when theengine assembly is operating below the threshold power output or engine running speed, by operating the electronic control valve.

The invention discloses a testing apparatus of an engine valve mechanism rack, and the testing apparatus comprises a rack, a water supply system, an oil supply system and a power mechanism, wherein the water supply system comprises a water supply plate and a water return plate respectively connected with the bottom of a cylinder cover and its side, a water supply cavity is formed inside the water supply plate which is provided with a plurality of water supply outlets connected with water inlets on the cylinder cover bottom, a water return cavity is formed inside the water return plate which is provided with water return outlets connected with the water return cavity, the water supply inlet is connected with the water return outlet through a pipe on which a circulating pump and a water tank are arranged, the oil supply system comprises an oil pipe connected with oil inlets and oil outlets on the cylinder cover, an oil pump and an oil tank. Through the testing apparatus of the engine valve mechanism rack, the water supply system and the oil supply system are simplified when multiple cylinders and valve mechanisms are realized in simulation, thus the testing apparatus is conveniently installed and disassembled, thereby effectively preventing water and oil from leakage.

The invention discloses a mining TBM (tunnel boring machine) water circulation system and a mining TBM water circulation method. The system comprises an external water source, an internal circulation water supply pipe, an internal circulation waterway, an internal circulation water outlet pipe and various mining TBM external devices. The external water source is connected with an inlet of the internal circulation water supply pipe, an outlet of the internal circulation water supply pipe is connected with an inlet of the internal circulation waterway, an outlet of the internal circulation waterway is connected with the internal circulation water outlet pipe, and an outlet of the internal circulation water outlet pipe is connected to a water inlet of each mining TBM external device. The external water source supplies water to an internal circulation tank and then distributes to each water pump; each water pump supplies water to the corresponding mining TBM internal device, and water is recycled after use and discharged to water supply pipes of the external devices to be used by the mining TBM external devices; water used by the mining TBM external devices is directly discharged to a roadway floor. Cooling effects of the water circulation system are greatly improved, water consumption and cooling requirements of the devices can be met, the operating rate of the devices is increased, and TMB quick efficient tunneling is guaranteed powerfully.

The invention provides a double-beam input laser cooling atom three-dimensional magneto-optical trap device, and aims to overcome the defects that an optical path system of an existing magneto-opticaltrap is easily affected by the external environment, and generated cold atoms have large-amplitude random jitter, and extra errors are introduced although random jittering of cold atom parameters caused by optical fiber factors is reduced. A unique three-dimensional MOT optical path transmission topology is designed, six polarization maintaining optical fibers required originally are reduced to two polarization maintaining optical fibers, and the influence of unstable incident laser polarization degree and light intensity fluctuation on the generated cold atom quality is greatly eliminated; polarization characteristics of laser beams are utilized, multiple times of light beam splitting and reflection are performed, independent adjustment of power and polarization of six beams of laser used for atom cooling is achieved under the condition that only two paths of input light exist, particularly, the power of the six beams of light which are oppositely emitted in pairs at a convergence point can be adjusted to be strictly equal, and the influence caused by inconsistent fluctuation pace of the power of the six beams of light in the working process of the device is greatly reduced.

The invention discloses an intelligent temperature-control mattress. The intelligent temperature-control mattress comprises a mattress body and a main engine, wherein the mattress body is provided with a ventilation layer, a lining layer, a temperature control layer, a filling layer and an anti-slip layer in sequence from top to bottom; a water circulation pipe is laid in the temperature control layer; the temperature control layer is provided with a sleep monitor and a first temperature sensor; the main engine comprises a water tank assembly, a control panel, a heat dissipation opening, a water feeding opening and a liquid crystal display screen arranged on the control panel; the water tank assembly comprises a water tank, a semiconductor cooler, a fan, a water feeding opening of a watertank, a second temperature sensor, a water pump, a self-operated electric control temperature adjusting valve and a stirring part. The intelligent temperature-control mattress disclosed by the invention has the advantages that the semiconductor cooler can meet the requirements of heating and cooling the mattress at the same time, and is simple in structure and good in safety.

The invention discloses a cooling and purifying system for spent fuel of a small reactor. Water is taken from a suppression pool by a cooling and purifying loop and sent into a safety injection watertank, the spent fuel is stored in the safety injection water tank, water in the safety injection water tank is cooled by the cooling and purifying loop, waste heat of the spent fuel is taken out, andmeanwhile, cooled water in the safety injection water tank is purified by the cooling and purifying loop; the spent fuel stored in the safety injection water tank is moved out, and water in the safetyinjection water tank is extracted into the suppression pool by the cooling and purifying loop. With application of the cooling and purifying system for the spent fuel of the small reactor, the problem about water source supplement caused by the fact that the spent fuel is stored by the safety injection water tank can be solved, a sufficient water source is provided for spent fuel cooling, and thecooling requirement of the spent fuel during refuelling of the small reactor is met; water purification function of the safety injection water tank for storing the spent fuel temporarily during refuelling of the small reactor is realized; the system is reasonable in structural design, safe, reliable and easy to repair and maintain.

The invention discloses a preparation method of a solid-liquid two-phase metal-polymer heat-conducting phase-change composite material, and belongs to the technical field of polymer composites. The solid-liquid two-phase coexisting metal and a polymer material are mixed to prepare the heat-conducting phase-change composite material. According to the method, the high thermal conductivity of the composite material is realized by compounding metal in a solid-liquid coexistence region in a metal phase diagram with a polymer matrix and utilizing the high thermal conductivity coefficient and phase change latent heat of the metal; according to the composite material, binary, ternary and multivariate phase diagrams of metal are utilized, and the solid-liquid phase ratio and phase change latent heat of the metal are regulated and controlled through metal composition and a metal phase diagram lever law, so that the heat conductivity coefficient of the prepared heat-conducting phase change composite material ranges from 0.2 W m <-1 > K <-1 > to 30.0 W m <-1 > K <-1 >, and the heat dissipation requirements of various electronic devices are met.