Multi-ported valve and vehicle heat pump air conditioner heat management system

Abstract

The utility model provides a multi-way valve and vehicle heat pump air conditioner heat management system which comprises a refrigerant loop, a warm water loop, a cold water loop and an air conditioner box. Wherein in the cold water loop, cooling water is conveyed to each cooling unit through a six-way valve; and the transportation of cooling water in each pipeline is controlled through the five-way valve. According to the heat pump air conditioner heat management system with the multi-ported valve combined with the vehicle, a condenser in a traditional refrigerant loop is removed, and the low-voltage switch and the evaporator in the refrigerant loop are connected in the water cooling loop, so that cooling water exchanges heat with refrigerants in the low-voltage switch and the evaporator, heat conduction is completed, and heat exchange efficiency is improved. Due to the fact that a condenser is removed, the refrigerant in the refrigerant loop does not exchange heat with the outside air any more, use of the refrigerant is reduced, the five-way valve and the six-way valve are added to the cold water loop, the flow of cooling water can be rapidly and efficiently adjusted, and then the heat exchange efficiency of the cooling water is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of multi-way valve combination vehicle heat pump air conditioning heat management system. BACKGROUND

[0002] At present, the cooling system of vehicle is cooled in vehicle by refrigerant, and heat is transferred by refrigerant. Although the chemical properties of refrigerant can provide heat exchange efficiency, long-term use will lead to the need for regular increase of refrigerant due to excessive heat exchange and dilution, which affects the economy of automobile use. However, the traditional water cooling cannot achieve high-efficiency heat exchange, so how to reduce the use of refrigerant becomes the key to reduce cost in today's market requiring cost performance. This involves the overall thermal management system of automobile, which needs to be re-arranged and designed, reduce the function of refrigerant, strengthen the function of water cooling, improve heat exchange efficiency and reduce refrigerant consumption. SUMMARY

[0003] The technical problem to be solved by the utility model is to provide a kind of multi-way valve combination vehicle heat pump air conditioning heat management system, which aims to redesign the circuit structure, strengthen the cooling function of water side, reduce the use of refrigerant, use multi-channel valve to realize heat exchange distribution of cooling system, cancel the heat exchange between refrigerant and air in condenser, improve heat conduction efficiency and reduce refrigerant consumption.

[0004] To solve the above technical problems, the technical scheme of the utility model is as follows: a kind of multi-way valve combination vehicle heat pump air conditioning heat management system, comprising refrigerant circuit, warm water circuit, cold water circuit and air conditioner box;The cold water circuit comprises six-way valve, proportional three-way valve, five-way valve, vehicle WPTC, expansion tank, radiator, battery water pump, motor water pump, passenger cabin water pump, warm air core, cold air core and air blower;The six-way valve is connected with the expansion tank, battery water pump, motor water pump, passenger cabin water pump, warm air core and cold air core, and cooling water is transported to each cooling unit through the six-way valve;The five-way valve is connected with the vehicle WPTC, radiator, warm air core, cold air core and air blower, and controls the transportation of cooling water in each pipeline, and forms a cooling circuit with the six-way valve;The radiator, warm air core and cold air core are directly connected with the six-way valve and five-way valve, so that cooling water directly exchanges heat therein;The proportional three-way valve is arranged between the battery water pump and motor water pump, and is used to adjust the output proportion of cooling water.

[0005] Further, the passenger cabin water pump is connected with the air blower, and the air blower faces the warm air core and cold air core to blow and temperature-adjust the passenger cabin.

[0006] Further, the radiator is arranged on one side of the battery water pump and the motor water pump, and is used for heat dissipation.

[0007] Further, the radiator is mainly used for heat dissipation of an automobile engine, is connected with the expansion water tank, the six-way valve and the five-way valve, and is cooled by cooling water and refrigerant.

[0008] Further, the flow meter is arranged between the motor water pump and the battery water pump, and is used for recording and uploading the distribution flow of the cooling water in the pipeline.

[0009] Further, the refrigerant circuit comprises a compressor, a low-pressure switch (LCC), a liquid storage tank, an evaporator (Chiller) and an expansion valve, the compressor is connected with the liquid storage tank and compresses the output refrigerant, the low-pressure switch (LCC) and the expansion valve are connected with the evaporator (Chiller), and the evaporator is used for outputting refrigerant cooling to the working motor or the engine.

[0010] Further, the low-pressure switch (LCC) and the evaporator (Chiller) are connected with the cooling water circuit, and the refrigerant is used for heat exchange with the cooling water.

[0011] Further, the condenser is removed from the refrigerant circuit.

[0012] Compared with the prior art, the multi-way valve combined with the heat pump air conditioner heat management system for vehicles removes the condenser in the traditional refrigerant circuit, connects the low-pressure switch and the evaporator in the refrigerant circuit with the water cooling circuit, so that the cooling water is used for heat exchange with the refrigerant in the low-pressure switch and the evaporator, heat conduction is completed, the refrigerant in the refrigerant circuit is not used for heat exchange with external air due to the removal of the condenser, the use of the refrigerant is reduced, the five-way valve and the six-way valve are added to the cooling water circuit, the flow of the cooling water can be quickly and efficiently adjusted, and the heat exchange efficiency of the cooling water is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 The pipeline schematic diagram of the utility model is shown.

[0014] 1. six-way valve, 2. proportional three-way valve, 3. five-way valve, 4. vehicle WPTC, 5. expansion water tank, 6. radiator, 7. battery water pump, 8. motor water pump, 9. passenger compartment water pump, 10. heating core, 11. cooling core, 12. air blower, 13. low-pressure switch (LCC), 14. evaporator (Chiller), 15. flow meter. DETAILED DESCRIPTION

[0015] As shown in the figure, a multi-way valve combined with a vehicle heat pump air conditioning heat management system, comprising a refrigerant circuit, a warm water circuit, a cold water circuit and an air conditioning box; wherein the cold water circuit comprises a six-way valve 1, a proportional three-way valve 2, a five-way valve 3, a vehicle WPTC 4, an expansion tank 5, a radiator 6, a battery water pump 7, a motor water pump 8, a passenger cabin water pump 9, a warm air core 10, a cold air core 11 and a blower 12; the six-way valve 1 connects the expansion tank 5, the battery water pump 7, the motor water pump 8, the passenger cabin water pump 9, the warm air core 10 and the cold air core 11, and the six-way valve 1 transports cooling water to each cooling unit; the five-way valve 3 connects the vehicle WPTC 4, the radiator 6, the warm air core 10, the cold air core 11 and the blower 12, controls the transportation of cooling water in each pipeline, and forms a cooling circuit with the six-way valve; the radiator 6, the warm air core 10 and the cold air core 11 are directly connected to the six-way valve 1 and the five-way valve 3, so that the cooling water directly exchanges heat therein; the proportional three-way valve 2 is arranged between the battery water pump 7 and the motor water pump 8, and is used for adjusting the output proportion of the cooling water.

[0016] Further, the passenger cabin water pump 9 is connected to the blower 12, and the blower 12 faces the warm air core 10 and the cold air core 11 to blow and adjust the temperature of the passenger cabin.

[0017] Further, the radiator 6 is provided in plurality and arranged on one side of the battery water pump 7 and the motor water pump 8, and is used for heat dissipation.

[0018] Further, the radiator 6 is mainly used for automobile engine heat dissipation, and is connected to the expansion tank 5, the six-way valve 1 and the five-way valve 3, and is cooled by cooling water and refrigerant.

[0019] Further, a flow meter is arranged between the motor water pump 8 and the battery water pump 7, and records and uploads the flow distribution of the cooling water in the pipeline.

[0020] Further, the refrigerant circuit comprises a compressor, a low-pressure switch (LCC) 13, a liquid storage tank, an evaporator (Chiller) 14 and an expansion valve, the compressor is connected to the liquid storage tank, compresses and outputs refrigerant, the low-pressure switch (LCC) 13 and the expansion valve are connected to the evaporator (Chiller) 14, and the evaporator outputs refrigerant to cool the working motor or engine.

[0021] Further, the low-pressure switch (LCC) 13 and the evaporator (Chiller) 14 are connected to the cold water circuit, and the refrigerant exchanges heat with the cooling water therein.

[0022] Further, the condenser is removed from the refrigerant circuit.

[0023] Finally, it needs to be explained that the above examples are only used to illustrate the technical solutions of the present application, but not the limiting technical solutions. Those skilled in the art should understand that the technical solutions of the present application are modified or replaced equivalently without departing from the purpose and scope of the present application, which should be covered in the scope of the claims of the present application.

Claims

1. A multi-way valve combined heat pump air conditioning heat management system for a vehicle, comprising a refrigerant circuit, a hot water circuit, a cold water circuit, and an air conditioning case; characterized by, The cold water circuit comprises a six-way valve, a proportional three-way valve, a five-way valve, a vehicle WPTC, an expansion tank, a radiator, a battery water pump, a motor water pump, a passenger cabin water pump, a warm air core, a cold air core and a blower; the six-way valve connects the expansion tank, the battery water pump, the motor water pump, the passenger cabin water pump, the warm air core and the cold air core, and the cooling water is transported to each cooling unit through the six-way valve; the five-way valve connects the vehicle WPTC, the radiator, the warm air core, the cold air core and the blower, controls the transportation of the cooling water in each pipeline, and forms a cooling circuit with the six-way valve; the radiator, the warm air core and the cold air core are directly connected with the six-way valve and the five-way valve, so that the cooling water directly exchanges heat therein; the proportional three-way valve is arranged between the battery water pump and the motor water pump, and is used for adjusting the output proportion of the cooling water.

2. The multi-port valve combined heat pump air conditioning thermal management system for a vehicle according to claim 1, characterized by, The passenger cabin water pump is connected with the blower, and the blower faces the warm air core and the cold air core, and blows air to adjust the temperature of the passenger cabin.

3. The multi-port valve combined heat pump air conditioning thermal management system for a vehicle according to claim 1, characterized by, The radiator is provided in plurality, and is arranged on one side of the battery water pump and the motor water pump, and is used for heat dissipation.

4. The multi-port valve combined heat pump air conditioning thermal management system for a vehicle according to claim 1, characterized by, The radiator is mainly used for heat dissipation of the automobile engine, and is connected with the expansion tank, the six-way valve and the five-way valve, and is cooled by the cooling water and the refrigerant.

5. The multi-port valve combined heat pump air conditioning thermal management system for a vehicle according to claim 1, characterized by, The flow meter is arranged between the motor water pump and the battery water pump, and records and uploads the distribution flow of the cooling water in the pipeline.

6. The multi-port valve combined heat pump air conditioning thermal management system for a vehicle of claim 1, wherein, The refrigerant circuit comprises a compressor, a low-pressure switch (LCC), a liquid storage tank, an evaporator (Chiller) and an expansion valve; the compressor is connected with the liquid storage tank, compresses the output refrigerant, the low-pressure switch (LCC) and the expansion valve are connected with the evaporator (Chiller), and the evaporator outputs the refrigerant to cool the working motor or engine.

7. The multi-port valve combined heat pump air conditioning thermal management system for a vehicle according to claim 6, characterized by, The low-pressure switch (LCC) and the evaporator (Chiller) are connected with the cold water circuit, and the refrigerant exchanges heat with the cooling water therein.

8. The multi-port valve combined heat pump air conditioning thermal management system for a vehicle of claim 1, wherein, The condenser is removed in the refrigerant circuit.

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