CN-224215606-U - High-reliability airborne thermal management system

Abstract

The utility model relates to a high-reliability on-board thermal management system, which is characterized in that a plurality of compression refrigeration systems are connected in parallel with a heat stroke at one side of a heat exchanger, a liquid return pipe of heat Cheng Fenjie at the other side of the heat exchanger and a liquid supply pipe are connected in turn through an electromagnetic valve, a temperature sensor, a pressure sensor, a flowmeter, a buffer tank, an electric heater and a liquid supplementing tank by a load, one path is connected with a water tank through a water tank pipeline, the other path is connected with a heat stroke inlet at the other side of the heat exchanger through a temperature sensor, a booster pump, a gas-liquid separator and a proportional valve, a heat stroke outlet at the other side of the heat exchanger is connected with liquid supply through a bypass pipeline once through a temperature sensor, a pressure sensor and an electromagnetic valve, a bypass electromagnetic valve is arranged on the bypass pipeline, and a direct cooling pipeline with a proportional valve and a condenser is also connected on the liquid return pipe before the liquid return proportional valve. The system can effectively meet the requirement of pressurized liquid return and liquid supply under the condition of large fluctuation of liquid return and liquid supply flow, and ensures the refrigeration reliability of the airborne load.

Inventors

• DING JIANGUO
• ZHOU WEIDONG
• ZHANG TONG
• RUAN SHUCHAO
• LI JIAHUI
• QIAN WENPING

Assignees

• 中天（江苏）防务装备有限公司

Dates

Publication Date

20260508

Application Date

20250331

Claims (7)

1. 1. The high-reliability onboard thermal management system comprises a compression refrigeration system and a heat exchanger, wherein a plurality of compression refrigeration systems are connected in parallel with a heat stroke at one side of the heat exchanger, a liquid return pipe Cheng Fenjie at the other side of the heat exchanger and a liquid supply pipe are connected in sequence through a liquid return electromagnetic valve, a liquid return primary temperature sensor, a liquid return pressure sensor, a liquid return flowmeter, a liquid return buffer tank, an electric heater and a liquid supplementing tank by load, one path is connected with a water tank through a water tank pipeline, a water tank pipeline diversion tank inlet pipe and a water tank outlet pipe, the water tank inlet pipe is connected with the upper part of the water tank through a water inlet electromagnetic valve of an upper water tank of the water tank, the lower part of the water tank is pumped to the water tank pipeline through a water tank outlet pipe, the other path is connected to a heat stroke inlet at the other side of the heat exchanger through a liquid return secondary temperature sensor, a liquid return booster pump, a gas-liquid separator and a liquid return proportional valve, and a liquid supply outlet at the other side of the heat exchanger is connected with a liquid supply through a liquid supply temperature sensor, a liquid supply pressure sensor and a liquid supply electromagnetic valve at one time; the liquid return pipe in front of the liquid return proportional valve is also connected with a direct cooling pipeline, and the direct cooling pipeline is connected with the liquid supply pipe at the outlet of the heat path at the other side of the heat exchanger through the direct cooling proportional valve and the direct cooling condenser in sequence.
2. 2. The high-reliability on-board thermal management system of claim 1, wherein the bypass pipeline is further connected with a through pipeline in parallel, and a through electromagnetic valve and a through ball valve are sequentially arranged on the through pipeline.
3. 3. The highly reliable airborne thermal management system of claim 1, wherein the liquid return booster pump is provided with a pre-boost solenoid valve and a boost stop valve respectively at the front and back of the liquid return direction.
4. 4. The high-reliability airborne thermal management system of claim 1, wherein the water tank is internally provided with a high-level liquid level sensor and a low-level liquid level sensor, the inlet pipe of the water tank is connected with the water tank at a position higher than the high-level liquid level sensor, and the outlet pipe of the water tank is connected with the water tank at a position lower than the low-level liquid level sensor.
5. 5. The high reliability on-board thermal management system of claim 1 or 4, wherein the top of the water tank is connected with an exhaust pipeline.
6. 6. The high reliability on-board thermal management system according to claim 1 or 4, wherein the bottom of the water tank is connected with an evacuation pipeline, and the upper part of the water tank is connected with a water supplementing pipeline.
7. 7. A highly reliable on-board thermal management system as defined in claim 1 wherein said compression refrigeration system comprises a compressor, a condenser, a reservoir, and an expansion valve.

Description

High-reliability airborne thermal management system Technical Field The utility model relates to the technical field of refrigeration, in particular to a high-reliability airborne thermal management system. Background In refrigeration systems, refrigeration is typically performed by a load back to the heat exchanger and then back to the load, which is suitable for use in the traditional refrigeration demand field. However, in the on-board load, because of the large fluctuation of the power of the on-board power element, the large fluctuation and the liquid amount change of the liquid return and supply are caused, even if the water supplementing tank is additionally arranged on the liquid return and supply pipelines, the passive water supplementing can not ensure that the effective pressurization meets the load demand, and the reliability and the stability of the refrigeration liquid supply are poor. Disclosure of Invention The utility model provides the high-reliability airborne thermal management system which has a simple structure, can effectively meet the requirement of pressurized liquid return and liquid supply under the condition of large fluctuation of liquid return and liquid supply flow, and ensures the refrigeration reliability of an airborne load. The utility model adopts the technical scheme that the high-reliability airborne heat management system comprises a compression refrigeration system and a heat exchanger, wherein a plurality of compression refrigeration systems are connected in parallel to a heat stroke at one side of the heat exchanger, a liquid return pipe and a liquid supply pipe are connected to the other side of the heat exchanger, the high-reliability airborne heat management system is characterized in that the liquid return pipe is connected to two paths after passing through a liquid return electromagnetic valve, a liquid return primary temperature sensor, a liquid return pressure sensor, a liquid return flowmeter, a liquid return buffer tank, an electric heater and a liquid supplementing tank in sequence through a load, one path is connected with a water tank through a water tank pipeline, the water tank pipeline is connected with a water tank inlet pipe and a water tank outlet pipe, the water tank inlet pipe is connected with the upper part of the water tank through an upper water tank inlet electromagnetic valve, the lower part of the water tank is pumped to the water tank pipeline through the water tank outlet pipe, the other path is connected to a heat stroke inlet at the other side of the heat exchanger through a liquid return secondary temperature sensor, a liquid return booster pump, a gas-liquid separator and a liquid return proportional valve, a liquid return outlet at one time of the other side of the heat exchanger is connected with a liquid supply valve, a liquid return pipe after the liquid return flowmeter is connected with a liquid supply pipeline before the liquid supply temperature sensor, a liquid supply pipeline is connected with the liquid return pipeline, a liquid bypass pipe is connected with a liquid supply pipeline before the liquid supply valve, a liquid return pipeline is connected with the liquid flow valve, a direct-cooling pipeline is connected with a direct-cooling pipeline, a direct-flow pipeline is connected with a cold pipeline, a direct-heat pipe, and a direct-flow pipeline is connected with a direct-flow pipeline, and a direct-cooled pipeline, and a direct-heat pipe is connected to a direct-and a direct-flow pipeline through a cold pipeline. The bypass pipeline is also connected with a straight-through pipeline in parallel, and a straight-through electromagnetic valve and a straight-through ball valve are sequentially arranged on the straight-through pipeline. The front and rear of the liquid return direction of the liquid return booster pump are respectively provided with a solenoid valve before boosting and a booster stop valve. And other liquid return booster pumps are arranged on the liquid return booster pump in parallel, and a solenoid valve and a boost stop valve are respectively arranged at the front and the back of the liquid return direction of the other liquid return booster pumps. The front and rear pressurizing emptying connectors are respectively connected with the front and rear pressurizing solenoid valves and the rear pressurizing stop valves. The water tank is internally provided with a high-level liquid level sensor and a low-level liquid level sensor, the inlet pipe of the water tank is connected with the water tank at a position higher than the high-level liquid level sensor, and the outlet pipe of the water tank is connected with the water tank at a position lower than the low-level liquid level sensor. The top of the water tank is connected with an exhaust pipeline. The bottom of the water tank is connected with an emptying pipeline, and the upper part of the water tank is connected with a water supplementing pipeline. T