42results about How to "Adjust cooling capacity" patented technology

The invention discloses an infrared laser, which comprises a case, a pump module arranged in the case, semiconductor refrigeration sheets arranged in the case and a heat dissipation device arranged outside the case, wherein a first side of each semiconductor refrigeration sheet is arranged close to the pump module, and a second side of each semiconductor refrigeration sheet is arranged close to the wall of the case; and the heat dissipation device is arranged opposite to the second side of each semiconductor refrigeration sheet. The semiconductor refrigeration sheets perform temperature control on the pump module, the semiconductor refrigeration sheets are small in occupied space, simple in structure and low in noise, and the miniaturization requirement of the laser can be ensured. In addition, the semiconductor refrigeration sheets are good in refrigeration effect, and can realize heat dissipation and temperature control for the pump module through adjusting the voltage and directionof the two ends of the semiconductor refrigeration sheets.

The invention discloses special quenching oil for a plate spring and a preparation method for the special quenching oil, and belongs to the technical field of metal thermal treatment and surface treatment. The quenching oil is prepared from the following components in parts by mass: 25-37 parts of refined base oil, 2-4 parts of a cold catalyst, 0.02-0.03 part of an anti-oxidant, 0.3-0.5 part of abrightener, and 0.3-0.5 part of a surfactant. According to the special quenching oil for the plate spring and the preparation method for the special quenching oil disclosed by the invention, hardenability and critical through-quenching thickness of the plate spring material can be combined, and cooling ability of quenching oil is regulated, so that the plate spring obtains enough and uniform hardness and metallographic structure after being quenched, and therefore, mechanical strength and toughness needed for a workpiece are realized, and workpiece deformation is effectively controlled.

The invention provides an LED street lamp light source module, a manufacturing method of the LED street lamp light source module and a cooling device of the LED street lamp light source module. The cooling device of the LED street lamp light source module comprises a light source installation board and a plurality of detachable cooling fins arranged on the second surface, opposite to the first surface, of the light source installation board, wherein the first surface of the light source installation board is used for installation of LED light sources. Due to the fact that the cooling fins can be assembled on the light source installation board and can be disassembled from the light source installation board, the cooling capacity of the LED street lamp light source module can be adjusted through the adjustment of the number of the cooling fins installed on the light source installation board according to the power of the LED street lamp light source module, the overall size of the LED street lamp light source module does not need to be adjusted, and therefore the cost for adjusting the heat-dissipation capacity of the LED street lamp light source module is reduced. According to the LED street lamp light source module and the manufacturing method of the LED street lamp light source module, due to the adoption of the cooling device, the cost for adjusting the cooling capacity of the LED street lamp light source module can be reduced as well.

The invention discloses a single-compressor three-cooling-head pulse tube refrigerating machine achieving free adjustment of the input work and the refrigerating capacity. The machine comprises a numerical control alternating current power source, a linear compressor, a pressure wave transmission pipeline set, an electric control valve set, a pulse tube refrigerating machine cooling head set, a cooling water system, a user side low-temperature circulating system and a data acquisition and control system. According to the single-compressor three-cooling-head pulse tube refrigerating machine achieving free adjustment of the input work and the refrigerating capacity, the purpose that the design and application scheme of variable-power operation and refrigerating capacity adjustment is provided for a large-refrigerating-capacity low-temperature system with the feature that the single compressor drives three pulse tube cooling heads is achieved, the problem that the refrigerating capacity of a conventional low-temperature system cannot be easily and correspondingly adjusted according to the requirements of user side equipment is effectively solved, the same system can meet the requirements of users for different refrigerating capacities, the large-refrigerating-capacity low-temperature system can have the more convenient and faster control, the higher application scene adaptabilityand the higher energy efficiency ratio, and can have the very positive significance in the application of the low-temperature refrigerating machine in the fields of intelligent power grids, advanced electric power, rail transit, efficient energy storage, high-end communication and the like.

The invention discloses a negative-pressure phase-change heat dissipation device and a high-heat-flux electronic chip simulation heat dissipation system, which utilize boiling coupling film evaporation to use a water working medium to generate phase change in a negative pressure environment, so as to realize efficient heat dissipation of a chip, and solve the problems that a liquid supply channel and a gas separation channel of an existing chip cold plate are mixed and the heat transfer capacity is low. A negative pressure environment is generated on one side of an evaporation waterproof breathable film, the pressure difference between the two sides of the film is increased, on one hand, mutual interference of traditional boiling heat exchange gas separation and liquid supply is avoided, on the other hand, the evaporation power and speed of the liquid are enhanced, the working efficiency of the cold plate is remarkably improved by utilizing a film evaporation mechanism, and the heat dissipation requirement that the heat flux density exceeds 1 kW/cm<2> can be met.

The invention discloses a cooling system and magnetic resonance equipment. The cooling system comprises a cooling loop cooling a to-be-cooled component. The cooling loop has a first cooling loop, a second cooling loop and an adjusting device, wherein the first and second cooling loops partially share a pipeline; and the adjusting device can adjust flow amount of cooling medium flowing through the first and second cooling loops. The cooling system and the magnetic resonance equipment can adjust flow amount of the cooling medium according to practical cooling demands of the magnetic resonance system, and then control one-time refrigerating capacity of a water cooling system, so cooling resource waste can be reduced.

An output-power-self-adapting refrigeration compressor control system which comprises a refrigeration compressor and a control system body. The refrigeration compressor is provided with a sealed shell. A machine core assembly is arranged in the shell. A motor is arranged on the machine core assembly and is provided with a stator, a rotor and a wire holder. A connection terminal I, a connection terminal VI and a connection terminal VII are arranged on the wire holder. The output-power-self-adapting refrigeration compressor control system is characterized in that the control system body comprises a PLC, a current collection module, a temperature collection module and a low-voltage control circuit; the wire holder is further provided with a connection terminal II, a connection terminal III, a connection terminal IV and a connection terminal V, the PLC is connected with the current collection module, the temperature collection module and the low-voltage control circuit in a communication mode, and the low-voltage control circuit is connected with the refrigeration compressor in a driving mode. The output-power-self-adapting refrigeration compressor control system is low in cost and convenient to operate, intelligent conversion of the three working states of the refrigeration compressor is achieved, the working efficiency of the refrigeration compressor is improved, the overall energy consumption of the refrigeration compressor is reduced, the refrigeration time is shortened, and the refrigeration efficiency is improved.

The invention discloses an air conditioner circulating refrigeration device for an LNG (Liquefied Natural Gas) vehicle. The air conditioner circulating refrigeration device comprises an LNG steel cylinder, a temperature control device, an air conditioner evaporator and an engine, wherein the LNG steel cylinder is connected with the temperature control device through a first pipeline, the temperature control device is connected with the air conditioner evaporator through a second pipeline, the air conditioner evaporator is connected with the engine through a third pipeline, a solenoid valve is installed on the first pipeline, a pressure stabilizer is arranged on the third pipeline, the LNG steel cylinder and the pressure stabilizer are connected with a fourth pipeline, a gasifier is installed on the fourth pipeline, a control device outlet temperature sensor is installed at the outlet of the temperature control device, a vehicle internal temperature sensor is installed in the vehicle, and the control device outlet temperature sensor, the vehicle internal temperature sensor and the solenoid valve are controlled by an electric control device. The air conditioner circulating refrigeration device additionally comprises a heat exchanger. The first medium inlet and the first medium outlet of the heat exchanger are arranged in the first pipeline, the second medium inlet of the heat exchanger is communicated with the outlet of the air conditioner evaporator through a backflow pipeline, and the second medium outlet of the heat exchanger is connected with the second pipeline. The air conditioner circulating refrigeration device for the LNG vehicle has the advantages of low cost and good refrigerating effect.

The invention discloses a high-adaptation truss temperature control method. The high-adaptation truss temperature control method includes that step 1, coating multi-layer thermal insulation components at the surface of a support rod of a truss; step 2, spraying intelligent coats to the surfaces of a rod hinge which do not influence the stretching of a movable component. A multi-layer thermal insulation structure comprises multi-layer thermal insulation components of multiple units, and the multi-layer thermal insulation component of each unit is composed of double-sided aluminum plated polyester films and nylon net scarves which are distributed at intervals. Each intelligent coat is made of thermotropic phase change material, the infrared emitting ability is changed along with the change of temperature, the temperature change induces phase change, and then the emitting ability is changed along with the phase change so as to keep the rod hinge at an ideal temperature. The high-adaptation truss temperature control method solves the on-track temperature control problem before and after stretching the truss, adapts to temperature needs under different external thermal flow conditions and has advantages of high adaptation, good reliability and flexible design.

The invention particularly relates to a cooling system of a permanent magnet governor. A power supply and a processing unit of the system are connected with a semiconductor refrigeration module, the cooling end of the semiconductor refrigeration module is used for cooling the conductor rotor disk of the permanent magnet speed governor, the heating end of the semiconductor refrigeration module is used for the heat derivation generated by the semiconductor refrigeration module, the first temperature sensor and the second temperature sensor are capable of transmitting the temperature informationof the eddy current side of the conductor rotor disk of the permanent magnet speed governor and the temperature information of the heating end of the semiconductor refrigeration module to the processing unit, the detection processor of the processing unit receives and processes the temperature information to obtain the real-time temperature of the vortex side of the conductor rotor disk of the permanent magnet speed governor and the real-time temperature of the heating end of the semiconductor refrigeration module, The controller compares the above temperature with a preset suitable temperature, and controls the refrigeration capacity of the refrigeration end of the semiconductor refrigeration module and the heat generation amount of the heating end of the semiconductor refrigeration module. The invention relates to an active cooling method.

The invention discloses a water evaporative refrigeration system. Refrigeration is conducted according to the one-to-one correspondence relationship between the boiling point temperature of water andthe pressure. The water evaporative refrigeration system is mainly composed of an evaporator, a condenser and a negative pressure pumping device; the evaporator is mainly composed of a plurality of unit negative pressure cavities, an air supplying fan and an air outlet. Treated air flows in an air flue among all the unit negative pressure cavities, the interiors of the cavities can be pumped to bein different pressures according to the actual refrigeration temperature, and thus liquid water evaporates in the cavities to absorb the heat of the processed air; the negative pressure pumping device pumps out water vapor evaporated in the evaporator in time and exhausts the water vapor to the condenser, the set negative pressure in the negative pressure cavities of the evaporator can be maintained, the corresponding pressure when the water boiling point in the cavities of the condenser is equal to the environment temperature can be ensured, a valve located on a small pipeline a outside theevaporator can adjust the circulating water flow of the system, and thus the purpose of adjusting the refrigeration amount of the system is achieved indirectly.

The invention relates to the field of air conditioners and provides a cold water air conditioner and a cooling water unit and a cooling water control method thereof. The cooling water unit comprises acold water cooling pipeline, a unit cooling pipeline, a water pump, a cold water cooling device and an adjusting pipeline. The cold water cooling device is arranged on the cold water cooling pipeline, and the adjusting pipeline, the cold water cooling pipeline and the unit cooling pipeline are connected in parallel. The water pump is arranged on the cold water cooling pipeline, and at least of the adjusting pipeline and the unit cooling pipeline is provided with a flow adjusting valve; or the water pump is arranged on the unit cooling pipeline, and at least one of the cold water cooling pipeline and the adjusting pipeline is provided with a flow adjusting valve. The cooling degree of a condenser is controlled by controlling the unit cooling pipeline by adjusting the apertures of the flowadjusting valves, so that the condenser is prevented from being cooled excessively and a phenomenon that the pressure difference between a condensing pressure and an evaporating pressure is too low isavoided, and therefore, normal operation of a unit is kept for a long time in a low-temperature environment favorably.

The invention relates to an enhanced cooling type cabinet for a compressor. The enhanced cooling type cabinet for the compressor comprises a cabinet body, air inlets are formed in the left side and the right side of the cabinet body, a fan unit and a radiator unit are arranged in the cabinet body, the radiator unit is connected with the compressor through a pipeline, and a radiating outlet is formed in a position, corresponding to the fan unit, of the top of the cabinet body, so that the purpose of cooling the compressor is achieved, and normal operation of the compressor is ensured. An automatic adjusting device, a temperature sensor and a PLC are arranged on the radiator unit, the automatic adjusting device and the temperature sensor are electrically connected with the PLC, the temperature sensor is used for monitoring the temperature change of a pipeline and transmitting monitored real-time temperature signal values to the PLC, the PLC carries out analysis on the received temperature signal values and converts the temperature signal values into corresponding numerical values, the area, shielded by the automatic adjusting device, of the radiator unit is matched according to the temperature signal values, and therefore the heat dissipation area of the radiator unit is adjusted, the heat dissipation capacity of the radiator unit can be dynamically adjusted, and then constant-temperature and variable-temperature output of compressed gas is achieved.

The invention relates to the field of carbon dioxide compressor performance tests, in particular to a carbon dioxide compressor performance test system with a transcritical/subcritical testing function. The system involves a test loop, wherein the test loop is formed on a main pipeline together with a to-be-tested carbon dioxide compressor; and the test loop comprises a first switching valve, a second switching valve, a third switching valve and a fourth switching valve which are arranged in sequence, wherein a transcritical circulating gas cooling section and a subcritical circulating condensation section which are connected in parallel are arranged between the first switching valve and the second switching valve, a transcritical circulating evaporation section and a subcritical circulating evaporation section which are connected in parallel are arranged between the third switching valve and the fourth switching valve, and the main pipeline is further provided with an adjusting and measuring assembly. The system has the advantages that the system covers the large-scale working conditions of the carbon dioxide compressor in transcritical/subcritical circulating, so that equipment used by test equipment is reduced, and the cost is reduced; and when different circulating tests are carried out through the same machine, disassembling and assembling of the machine are not needed, sothat operation is simpler and more convenient.