CN210706790U - Whole vehicle refrigerating and heating system with phase change energy storage device for pure electric vehicle - Google Patents
Whole vehicle refrigerating and heating system with phase change energy storage device for pure electric vehicle Download PDFInfo
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- CN210706790U CN210706790U CN201921229898.4U CN201921229898U CN210706790U CN 210706790 U CN210706790 U CN 210706790U CN 201921229898 U CN201921229898 U CN 201921229898U CN 210706790 U CN210706790 U CN 210706790U
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Abstract
The utility model relates to a pure electric vehicle whole vehicle refrigerating and heating system with a phase change energy storage device, which comprises a compression refrigeration loop, a refrigeration cycle water path and an ATS heat dissipation loop, wherein the refrigerating and heating system is provided with the phase change energy storage device which comprises a cold storage module and a heat storage module; the refrigerating and heating system comprises a cold storage circulating water path, the cold storage circulating water path is formed by connecting an A end and a B end of a first electronic four-way valve, and connecting a C end and a D end, and the cold storage module is connected into the refrigerating circulating water path in series; the refrigerating and heating system comprises an ATS heat storage loop, the ATS heat storage loop is formed by connecting an A end and a D end of a second electronic four-way valve, connecting a B end and a C end, and connecting the heat storage module in series with an ATS heat dissipation loop. The phase-change energy storage device has the advantages that the phase-change energy storage device is arranged, so that cold energy is stored when the vehicle is in static charging, and heat energy is stored when the vehicle is in driving.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to an electric motor car technical field, concretely relates to whole car refrigeration heating system of electricelectric motor car with phase change energy memory.
[ background of the invention ]
The pure electric vehicle is a vehicle which takes a vehicle-mounted power supply as power and drives wheels to run by using a motor, and meets various requirements of road traffic and safety regulations. At present, a cooling and heating system configured on a whole vehicle mainly comprises: 1. a cab refrigeration air conditioning subsystem; 2. a battery water-cooling heat management subsystem; 3. the ATS subsystem of the motor electrically controlled auxiliary drive heat dissipation; 4.a PTC water heating subsystem for a cab, and the like. Each independent subsystem cannot reasonably use respective redundant cold or heat, waste of the redundant cold or heat is caused, and the energy utilization efficiency is low.
In view of the above circumstances, it is necessary to develop a new pure electric vehicle cooling and heating system to overcome the above drawbacks.
[ Utility model ] content
The utility model aims at providing a have phase change energy memory to store cold volume when the vehicle is static to charge, store thermal electric motor car whole car heating and refrigerating system when the vehicle is driving.
In order to achieve the purpose, the utility model adopts the technical scheme that the whole pure electric vehicle refrigerating and heating system with the phase change energy storage device comprises a compression refrigerating loop, wherein the compression refrigerating loop is formed by sequentially connecting a direct-current high-voltage electric compressor, a first condenser and a battery water-cooling evaporator in series; the refrigeration and heating system comprises a refrigeration circulating water path, the refrigeration circulating water path is formed by sequentially connecting a battery water-cooling evaporator, a first water pump, a battery water-cooling plate and a first right-angle tee in series, and the third end of the first right-angle tee is connected with a second expansion water tank; the refrigeration and heating system comprises an ATS heat dissipation loop, the ATS heat dissipation loop is formed by sequentially connecting a second condenser, a third right-angle tee joint, a main drive inverter water cooling plate, a main motor stator water cooling jacket, an auxiliary drive DC/DC and steering oil pump brake air pump motor water cooling plate and a second water pump in series, and the third end of the third right-angle tee joint is connected with a first expansion water tank; the refrigerating and heating system is provided with a phase change energy storage device, and the phase change energy storage device comprises a cold storage module and a heat storage module; the refrigeration cycle water path comprises a first electronic four-way valve, wherein an A end and a D end of the first electronic four-way valve are connected between a first right-angle tee and a battery water cooling plate in series, the A end is connected with the first right-angle tee, the D end is connected with the battery water cooling plate, and a B end and a C end of the first electronic four-way valve are connected with two ends of the cold storage module; the ATS heat dissipation loop comprises a second electronic four-way valve, wherein the end B and the end C of the second electronic four-way valve are connected between an auxiliary drive DC/DC and steering oil pump brake air pump motor water cooling plate and a second water pump in series, the end B is connected with the auxiliary drive DC/DC and steering oil pump brake air pump motor water cooling plate, the end C is connected with the second water pump, and the end A and the end D of the second electronic four-way valve are connected to the two ends of the heat storage module; the refrigerating and heating system comprises a cold storage circulating water path, the cold storage circulating water path is formed by connecting the A end and the B end of the first electronic four-way valve, the C end and the D end of the first electronic four-way valve, and the cold storage module is connected into the refrigerating circulating water path in series; the refrigerating and heating system comprises an ATS heat storage loop, the ATS heat storage loop is formed by connecting the A end and the D end of the second electronic four-way valve, connecting the B end and the C end, and connecting the heat storage module in series with an ATS heat dissipation loop.
In a further preferred technical solution, the cooling and heating system includes a first electronic three-way valve and a second electronic three-way valve; the A end and the B end of the first electronic three-way valve are connected in series between the first water pump and the battery water cooling plate, the A end is connected with the first water pump, and the B end is connected with the battery water cooling plate; the A end and the B end of the second electronic three-way valve are connected in series between the battery water cooling plate and the first electronic four-way valve, the A end is connected with the battery water cooling plate, and the B end is connected with the D end of the first electronic four-way valve; a cab warm air core body and a water-water plate type heat exchanger are sequentially connected between the C end of the first electronic three-way valve and the C end of the second electronic three-way valve in series; the refrigeration and heating system comprises a battery cooling loop, the battery cooling loop is formed by connecting the end A and the end B of the first electronic three-way valve, closing the end C, connecting the end A and the end B of the second electronic three-way valve, closing the end C, and connecting the battery water cooling plate in series to a cold storage circulation water path; the refrigerating and heating system comprises an air-conditioning cooling loop, wherein the air-conditioning cooling loop is formed by connecting the end A and the end C of the first electronic three-way valve, closing the end B, connecting the end B and the end C of the second electronic three-way valve, closing the end A, and serially connecting the cab warm air core body and the water-water plate type heat exchanger into a cold storage circulating water path.
Further preferred technical scheme, foretell whole car refrigeration heating system of electricelectric motor car with phase change energy memory, its characterized in that: the refrigerating and heating system comprises a third electronic four-way valve; the B end and the C end of the third electronic four-way valve are connected in series between the second water pump and the second condenser, the B end is connected with the second water pump, and the C end is connected with the second condenser; the A end and the D end of the third electronic four-way valve are connected with two ends of the water-water plate type heat exchanger; the refrigeration and heating system comprises an outer-layer circulating water path, the outer-layer circulating water path is formed by communicating the end A and the end B of the third electronic four-way valve and communicating the end C and the end D, and the water-water plate type heat exchanger is connected with an ATS heat storage loop in series; the refrigerating and heating system comprises an inner-layer circulating water path, the inner-layer circulating water path is formed by communicating the end A and the end D of the first electronic four-way valve, closing the end B and the end C, and connecting the air conditioner cooling loop with the cold storage module in a short circuit manner; the outer layer circulation water path and the inner layer circulation water path form an air conditioner heat supply loop.
Preferably, the outer-layer circulating water path is formed by connecting the ends a and B of the third electronic four-way valve, the ends C and D of the third electronic four-way valve and connecting the water-water plate heat exchanger in series to the ATS heat dissipation loop.
Preferably, the cooling and heating system includes a third electronic three-way valve and a second right-angle three-way valve; two ends of the second right-angle tee are respectively connected with the first ends of the cold storage module and the heat storage module, and the third end of the second right-angle tee is connected with the B end of the first electronic four-way valve; the end B of the third electronic three-way valve is connected with the second end of the heat storage module, the end C of the third electronic three-way valve is connected with the second end of the cold storage module, and the end A of the third electronic three-way valve is connected with the end C of the first electronic four-way valve; the refrigeration and heating system comprises a battery heat supply loop, the battery heat supply loop is formed by communicating the end A and the end B of the third electronic three-way valve and closing the end C, and the heat storage module replaces a cold storage module in a battery cold supply loop.
Preferably, the cooling and heating system includes a first expansion valve and a second expansion valve; the first expansion valve and the core body of the evaporator for the air conditioner in the cab are connected in series to form a first series pipeline, and the second expansion valve and the battery water-cooling evaporator are connected in series to form a second series pipeline; the first serial pipeline and the second serial pipeline are connected in parallel to form a parallel pipeline; the parallel pipeline replaces a battery water-cooled evaporator in the compression refrigeration loop to form a new compression refrigeration loop.
Preferably, the cooling and heating system includes an electronic fan, and the first condenser and the second condenser share the electronic fan.
Preferably, the inorganic salt hydrate used in the heat storage module is prepared from CH3COONa 3H2O, Na2S2O 3.5H 2O, NaAl (SO4) 2.12H 2O, FeSO 4.7H 2O, Na3PO 4.12H 2O, ba (oh) 2.8H 2O, and NH4AL (SO4) 2.12H 2O; the inorganic salt hydrate used in the cold storage module is prepared from Al (NO3)3/H2O, NH4F/H2O, Na2CO3/H2O and KNO 3/H2O.
The utility model relates to a whole car refrigeration heating system of electricelectric motor car with phase change energy memory has following beneficial effect: 1. the phase change energy storage device is adopted, so that cold energy can be stored when a vehicle is statically charged, and the phase change energy storage device is used for cooling a battery and supplying cold to an air conditioner in a cab during driving, or the heat of an ATS system is stored during driving of the vehicle, and is used for preheating the battery during static and supplying heat to a warm air core body of the air conditioner in the cab; 2. when the vehicle is running, the ATS system can heat the warm air core body of the cab through the water-water plate type heat exchanger and supply hot air to the cab, so that the comfort of the passenger compartment at low temperature in winter is ensured; 3. an electric compressor for air conditioning of a cab and water cooling of a battery is integrated, so that the cost is reduced; 4, the ATS system condenser, the air conditioner and the battery water cooling system condenser share 1 electronic fan, so that the arrangement space is saved, and the cost is reduced; 5. an original cab PTC water heating and warm air system is omitted, and a heat storage module and a water circulation heating system are replaced, so that the COP value of the overall energy efficiency ratio is improved.
[ description of the drawings ]
Fig. 1 is a structural diagram of a refrigerating, heat-dissipating and energy-storing loop of a whole pure electric vehicle refrigerating and heating system with a phase-change energy storage device.
Fig. 2 is a structural diagram of a refrigerating, cold-storing and cooling loop of a pure electric vehicle whole vehicle refrigerating and heating system with a phase change energy storage device.
FIG. 3 is a structural diagram of a heat dissipation, heat storage and heat supply loop of a pure electric vehicle whole vehicle refrigeration and heating system with a phase change energy storage device.
Fig. 4 is a structural diagram of a pure electric vehicle whole vehicle cooling and heating system with a phase change energy storage device.
[ detailed description ] embodiments
The invention will be further described with reference to the following examples and with reference to the accompanying drawings.
Examples
The embodiment realizes a pure electric truck heating and refrigerating system.
Fig. 1 is a structural diagram of a refrigeration, heat dissipation and energy storage loop of a whole pure electric vehicle refrigeration and heating system with a phase change energy storage device according to the embodiment. As shown in fig. 1, the pure electric vehicle whole vehicle refrigerating and heating system with the phase change energy storage device comprises a compression refrigerating loop, wherein the compression refrigerating loop is formed by sequentially connecting a direct-current high-voltage electric compressor, a first condenser and a battery water-cooling evaporator in series; the refrigeration and heating system comprises a refrigeration circulating water path, the refrigeration circulating water path is formed by sequentially connecting a battery water-cooling evaporator, a first water pump, a battery water-cooling plate and a first right-angle tee in series, and the third end of the first right-angle tee is connected with a second expansion water tank; the refrigeration and heating system comprises an ATS heat dissipation loop, the ATS heat dissipation loop is formed by sequentially connecting a second condenser, a third right-angle tee joint, a main drive inverter water cooling plate, a main motor stator water cooling jacket, an auxiliary drive DC/DC and steering oil pump brake air pump motor water cooling plate and a second water pump in series, and the third end of the third right-angle tee joint is connected with a first expansion water tank; the refrigerating and heating system is provided with a phase change energy storage device, and the phase change energy storage device comprises a cold storage module and a heat storage module; the refrigeration cycle water path comprises a first electronic four-way valve, wherein an A end and a D end of the first electronic four-way valve are connected between a first right-angle tee and a battery water cooling plate in series, the A end is connected with the first right-angle tee, the D end is connected with the battery water cooling plate, and a B end and a C end of the first electronic four-way valve are connected with two ends of the cold storage module; the ATS heat dissipation loop comprises a second electronic four-way valve, wherein the end B and the end C of the second electronic four-way valve are connected between an auxiliary drive DC/DC and steering oil pump brake air pump motor water cooling plate and a second water pump in series, the end B is connected with the auxiliary drive DC/DC and steering oil pump brake air pump motor water cooling plate, the end C is connected with the second water pump, and the end A and the end D of the second electronic four-way valve are connected to the two ends of the heat storage module; the refrigerating and heating system comprises a cold storage circulating water path, the cold storage circulating water path is formed by connecting the A end and the B end of the first electronic four-way valve, the C end and the D end of the first electronic four-way valve, and the cold storage module is connected into the refrigerating circulating water path in series; the refrigerating and heating system comprises an ATS heat storage loop, the ATS heat storage loop is formed by connecting the A end and the D end of the second electronic four-way valve, connecting the B end and the C end, and connecting the heat storage module in series with an ATS heat dissipation loop.
The phase-change energy storage device is adopted in the embodiment, refrigeration is carried out through the compression refrigeration loop, and cold energy is stored through the cold storage circulation water path when the vehicle is statically charged; the heat storage module is connected in series with the ATS heat dissipation circuit to form an ATS heat storage circuit, and the heat of the ATS system is stored when the vehicle runs.
Fig. 2 is a structural diagram of a refrigerating, cold-storing and cooling loop of a refrigerating and heating system of a pure electric vehicle with a phase change energy storage device according to the embodiment. As shown in fig. 2, in a further preferred embodiment, the cooling and heating system includes a first electronic three-way valve and a second electronic three-way valve; the A end and the B end of the first electronic three-way valve are connected in series between the first water pump and the battery water cooling plate, the A end is connected with the first water pump, and the B end is connected with the battery water cooling plate; the A end and the B end of the second electronic three-way valve are connected in series between the battery water cooling plate and the first electronic four-way valve, the A end is connected with the battery water cooling plate, and the B end is connected with the D end of the first electronic four-way valve; a cab warm air core body and a water-water plate type heat exchanger are sequentially connected between the C end of the first electronic three-way valve and the C end of the second electronic three-way valve in series; the refrigeration and heating system comprises a battery cooling loop, the battery cooling loop is formed by connecting the end A and the end B of the first electronic three-way valve, closing the end C, connecting the end A and the end B of the second electronic three-way valve, closing the end C, and connecting the battery water cooling plate in series to a cold storage circulation water path; the refrigerating and heating system comprises an air-conditioning cooling loop, wherein the air-conditioning cooling loop is formed by connecting the end A and the end C of the first electronic three-way valve, closing the end B, connecting the end B and the end C of the second electronic three-way valve, closing the end A, and serially connecting the cab warm air core body and the water-water plate type heat exchanger into a cold storage circulating water path.
The battery cooling loop and the air conditioner cooling loop of the embodiment store cooling capacity when the vehicle is statically charged, and are used for cooling the battery and cooling the air conditioner in a cab during driving.
Fig. 3 is a structural diagram of a heat dissipation, heat storage and heat supply loop of a pure electric vehicle whole vehicle refrigeration and heating system with a phase change energy storage device according to the embodiment. As shown in fig. 3, in a further preferred technical solution, the pure electric vehicle entire vehicle refrigerating and heating system with the phase change energy storage device is characterized in that: the refrigerating and heating system comprises a third electronic four-way valve; the B end and the C end of the third electronic four-way valve are connected in series between the second water pump and the second condenser, the B end is connected with the second water pump, and the C end is connected with the second condenser; the A end and the D end of the third electronic four-way valve are connected with two ends of the water-water plate type heat exchanger; the refrigeration and heating system comprises an outer-layer circulating water path, the outer-layer circulating water path is formed by communicating the end A and the end B of the third electronic four-way valve and communicating the end C and the end D, and the water-water plate type heat exchanger is connected with an ATS heat storage loop in series; the refrigerating and heating system comprises an inner-layer circulating water path, the inner-layer circulating water path is formed by communicating the end A and the end D of the first electronic four-way valve, closing the end B and the end C, and connecting the air conditioner cooling loop with the cold storage module in a short circuit manner; the outer layer circulation water path and the inner layer circulation water path form an air conditioner heat supply loop.
The air-conditioning heat supply loop formed by the outer-layer circulating water path and the inner-layer circulating water path stores heat of the ATS system when a vehicle runs and is used for supplying heat to the air-conditioning warm air core of the cab.
Preferably, the outer-layer circulating water path is formed by connecting the ends a and B of the third electronic four-way valve, the ends C and D of the third electronic four-way valve and connecting the water-water plate heat exchanger in series to the ATS heat dissipation loop.
In the above-mentioned preferred mode of the outer-layer circulating water path in this embodiment, the ATS system can heat the warm air core of the cab through the water-water plate heat exchanger during driving, and supply hot air to the cab, so as to ensure the comfort of the passenger compartment at low temperature in winter.
Preferably, the cooling and heating system includes a third electronic three-way valve and a second right-angle three-way valve; two ends of the second right-angle tee are respectively connected with the first ends of the cold storage module and the heat storage module, and the third end of the second right-angle tee is connected with the B end of the first electronic four-way valve; the end B of the third electronic three-way valve is connected with the second end of the heat storage module, the end C of the third electronic three-way valve is connected with the second end of the cold storage module, and the end A of the third electronic three-way valve is connected with the end C of the first electronic four-way valve; the refrigeration and heating system comprises a battery heat supply loop, the battery heat supply loop is formed by communicating the end A and the end B of the third electronic three-way valve and closing the end C, and the heat storage module replaces a cold storage module in a battery cold supply loop.
The battery heating circuit of the embodiment stores the heat of the ATS system when the vehicle runs and is used for preheating the battery when the vehicle is at a standstill.
Preferably, the cooling and heating system includes a first expansion valve and a second expansion valve; the first expansion valve and the core body of the evaporator for the air conditioner in the cab are connected in series to form a first series pipeline, and the second expansion valve and the battery water-cooling evaporator are connected in series to form a second series pipeline; the first serial pipeline and the second serial pipeline are connected in parallel to form a parallel pipeline; the parallel pipeline replaces a battery water-cooled evaporator in the compression refrigeration loop to form a new compression refrigeration loop.
The electric compressor for the cab air conditioner and the battery water cooling is integrated, one compressor supplies water cooling for the battery and the cab air conditioner at the same time, and cost is reduced.
Preferably, the cooling and heating system includes an electronic fan, and the first condenser and the second condenser share the electronic fan.
The ATS system condenser of the embodiment shares 1 electronic fan with the air conditioner and the battery water cooling system condenser, so that the arrangement space is saved, and the cost is reduced.
In addition, the original cab PTC water heating and warm air system of the electric vehicle is omitted, and a heat storage module and a water circulation heating system are replaced, so that the COP value of the overall energy efficiency ratio is improved.
Preferably, the inorganic salt hydrate used in the heat storage module is prepared from CH3COONa 3H2O, Na2S2O 3.5H 2O, NaAl (SO4) 2.12H 2O, FeSO 4.7H 2O, Na3PO 4.12H 2O, ba (oh) 2.8H 2O, and NH4AL (SO4) 2.12H 2O; the inorganic salt hydrate used in the cold storage module is prepared from Al (NO3)3/H2O, NH4F/H2O, Na2CO3/H2O and KNO 3/H2O.
The phase change energy storage material adopts hydrate of inorganic salt, and the heat storage material comprises the following components:
the materials used for cold storage are mainly:
the hydrates can adopt different proportions, including melting points under different mass proportions, and when the hydrates are used for phase change heat storage, the latent heat enthalpy value and the sensible heat of the hydrates are added to obtain the heat storage density of the material per unit mass.
The phase-change energy storage material has the functions of heat storage and cold storage, the heat storage material mainly utilizes waste heat to improve the comprehensive energy consumption utilization efficiency, and the cold storage material mainly utilizes the refrigeration of a compressor in a charging stage to ensure that the endurance mileage of the vehicle is prolonged.
Fig. 4 is a structural diagram of a whole pure electric vehicle cooling and heating system with a phase change energy storage device according to the embodiment. As shown in fig. 4, the overall structure of the present embodiment is divided into two cases, namely heating and cooling.
When the system performs compression refrigeration, refrigerant R134a (refrigerant) flows through the compression refrigeration circuit; the water flows through the refrigeration cycle water circuit. The refrigeration cycle water circuit works as follows: during refrigeration, the first water pump is normally opened, water exchanges heat with a refrigerant through the battery water-cooling evaporator, heat is taken away by the refrigerant, meanwhile, the A, B port of the first electronic three-way valve is switched on, the C port is closed, the A, B port of the second electronic three-way valve is switched on, the C port is closed, the A, D port of the first electronic four-way valve is switched on, the B, C port is closed, water flows through the battery water-cooling plate to take away heat of a battery pack, and cooling of the battery pack is achieved through water flow circulation.
The direct-current high-voltage electric compressor performs compression work on the refrigerant R134a to obtain low-temperature cold energy, and the low-temperature cold energy is supplied to the battery water cooling and the cab air conditioner for use, so that one compressor is shared, and the dual refrigeration effect is achieved.
When the system is used for compression refrigeration, when the whole vehicle is stopped and is static, the direct-current high-voltage electric compressor normally works to provide water-cooling heat dissipation for the battery, and meanwhile, the first electronic four-way valve is started to store cold energy for the phase-change material cold storage module. The direct-current high-voltage electric compressor works normally, the first expansion valve and the evaporator core body for the cab air conditioner are closed, and the refrigerant transmits the generated cold energy to the cold storage circulation water path through the first condenser, the second expansion valve, the battery water-cooling evaporator and the compressor.
When the system compresses and refrigerates, heat exchange is carried out through the battery water-cooling evaporator, the cold quantity of a refrigerant loop is transmitted to the refrigerating cycle water path, a first water pump of the refrigerating cycle water path is started to normally work, a A, B port of a first electronic three-way valve of the refrigerating cycle water path is connected, a C port is closed, a A, B port of a second electronic three-way valve is connected, the C port is closed, a A, B port of a first electronic four-way valve is connected, a C, D port is connected, an A, C port of a third electronic three-way valve is connected, a B port is closed, water flows through the third electronic three-way valve, the cold storage module and the second right-angle three-way valve, when the water flows through the cold storage module, the water flows through a water-cooling coil pipe inside the cold storage.
When the vehicle is fully charged to drive, the redundant cold energy of the cold storage module can be supplied to the battery water cooling and the cab air conditioner for use, so that the purpose of reducing the energy consumption of the whole vehicle is achieved.
The battery cooling circuit works as follows: when the cold storage module cools down for the battery water-cooling plate, first water pump opens normal work, the A, B port switch-on of first electron three-way valve, the C port is closed, the A, B port switch-on of second electron three-way valve, the C port is closed, the A, B port switch-on of first electron four-way valve, the C, D port switch-on, the A, C port switch-on of third electron three-way valve, the B port is closed, rivers are through third electron three-way valve, the cold storage module, second right angle tee bend, the cold storage module is under self microthermal condition, transmit cold volume for the battery water-cooling plate through water cycle.
The air conditioner cooling loop works as follows: when the cold storage module supplies cold for the air conditioner of the cab, the first water pump is started to normally work, the A, C port of the first electronic three-way valve is connected, the B port is closed, the B, C port of the second electronic three-way valve is connected, the A port is closed, the A, B port of the first electronic four-way valve is connected, the C, D port is connected, the A, C port of the third electronic three-way valve is connected, the B port is closed, water flows through the third electronic three-way valve, the cold storage module and the second right-angle three-way valve, and the cold storage module transmits cold energy to the warm air core body of the cab through water circulation under the low-temperature condition of the cold.
The ATS heat dissipation loop works as follows: when the ATS system dissipates heat, the main drive inverter, the main motor stator and the auxiliary drive three-in-one module of the motor dissipate heat, and the main working components comprise a second condenser, an electronic fan, a second water pump, a second electronic four-way valve, a third electronic four-way valve, a main drive inverter water cooling plate, a main motor stator water cooling jacket, an auxiliary drive DC/DC and steering oil pump brake air pump motor water cooling plate, a third right-angle tee joint and the like; when the ATS system normally works, the second water pump is started to work, the port B, C of the second electronic four-way valve is connected, the port A, D is closed, the port B, C of the third electronic four-way valve is connected, and the port A, D is closed, so that heat of a main water path of the ATS system is released into air through the second condenser, the water temperature of the ATS water path is reduced, and the normal work of the system is guaranteed.
The ATS thermal storage circuit works as follows: when the system stores heat, the heat dissipation ATS module subsystem of the motor main drive auxiliary drive works normally, and the heat of the ATS module subsystem is stored through the phase-change material heat storage module during driving by starting the second electronic four-way valve; the ATS system normally works, the second water pump is started to work, the second electronic four-way valve port A, B is connected, the port C, D is connected, the third electronic four-way valve port B, C is connected, the port A, D is closed, heat in a main water path of the ATS system is stored through the heat storage module, meanwhile, the electronic fan is closed, and only a small amount of heat is released into air through the second condenser, so that the water temperature of the ATS water path is reduced, and the normal work of the system is guaranteed.
When the air conditioner and the battery water cooling plate in the cab are needed, the stored heat is provided for the air conditioner warm air core body (used for heating the cab during driving) of the cab through the water-water plate type heat exchanger. An outer-layer circulating water path: and when the second water pump is started to work, the port A, B of the second electronic four-way valve is connected, the port C, D is connected, the port A, B of the third electronic four-way valve is connected, the port C, D is connected, the second condenser is started, and the electronic fan is closed. Inner-layer circulation water route: the first water pump is started to work, the first electronic three-way valve port A, C is connected, the port B is closed, the second electronic three-way valve port B, C is connected, the port A is closed, the first electronic four-way valve port A, D is connected, and the port B, C is closed. The air conditioner heating loop works as follows: the water in the outer layer circulating water channel exchanges the heat of the heat storage module to the water in the inner layer circulating water channel through the water-water plate type heat exchanger, so that the heat of the air conditioner warm air core body of the cab is supplied.
The battery pack is started and heated by utilizing the heat of the heat storage module in a low-temperature environment (about minus 30 ℃), and a battery heat supply loop works as follows: the first water pump is started to work, the first electronic three-way port A, B is connected, the port C is closed, the second electronic three-way valve port A, B is connected, the port C is closed, the first electronic four-way valve port A, B is connected, the port C, D is connected, the third electronic three-way valve port A, B is connected, and the port C is closed.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and additions can be made without departing from the principles of the present invention, and these improvements and additions should also be regarded as the protection scope of the present invention.
Claims (7)
1. The pure electric vehicle whole vehicle refrigerating and heating system with the phase change energy storage device comprises a compression refrigerating loop, wherein the compression refrigerating loop is formed by sequentially connecting a direct-current high-voltage electric compressor, a first condenser and a battery water-cooling evaporator in series; the refrigerating and heating system comprises a refrigerating and circulating water path, the refrigerating and circulating water path is formed by sequentially connecting a battery water-cooling evaporator, a first water pump, a battery water-cooling plate and a first right-angle tee joint in series, and the third end of the first right-angle tee joint is connected with a second expansion water tank; the refrigeration and heating system comprises an ATS heat dissipation loop, the ATS heat dissipation loop is formed by sequentially connecting a second condenser, a third right-angle tee joint, a main drive inverter water cooling plate, a main motor stator water cooling jacket, an auxiliary drive DC/DC and steering oil pump brake air pump motor water cooling plate and a second water pump in series, and the third end of the third right-angle tee joint is connected with a first expansion water tank; the method is characterized in that: the refrigerating and heating system is provided with a phase change energy storage device, and the phase change energy storage device comprises a cold storage module and a heat storage module; the refrigeration cycle waterway comprises a first electronic four-way valve, wherein an A end and a D end of the first electronic four-way valve are connected between a first right-angle tee and a battery water cooling plate in series, the A end is connected with the first right-angle tee, the D end is connected with the battery water cooling plate, and a B end and a C end of the first electronic four-way valve are connected with two ends of the cold storage module; the ATS heat dissipation loop comprises a second electronic four-way valve, wherein the end B and the end C of the second electronic four-way valve are connected between an auxiliary drive DC/DC and steering oil pump brake air pump motor water cooling plate and a second water pump in series, the end B is connected with the auxiliary drive DC/DC and steering oil pump brake air pump motor water cooling plate, the end C is connected with the second water pump, and the end A and the end D of the second electronic four-way valve are connected to the two ends of the heat storage module; the refrigerating and heating system comprises a cold storage circulating water path, the cold storage circulating water path is formed by connecting the A end and the B end of the first electronic four-way valve, the C end and the D end of the first electronic four-way valve, and the cold storage module is connected into the refrigerating circulating water path in series; the refrigerating and heating system comprises an ATS heat storage loop, the ATS heat storage loop is formed by connecting the A end and the D end of the second electronic four-way valve, connecting the B end and the C end, and connecting the heat storage module in series into an ATS heat dissipation loop.
2. The pure electric vehicle whole vehicle refrigerating and heating system with the phase change energy storage device according to claim 1, characterized in that: the refrigerating and heating system comprises a first electronic three-way valve and a second electronic three-way valve; the A end and the B end of the first electronic three-way valve are connected in series between the first water pump and the battery water cooling plate, the A end is connected with the first water pump, and the B end is connected with the battery water cooling plate; the A end and the B end of the second electronic three-way valve are connected in series between the battery water cooling plate and the first electronic four-way valve, the A end is connected with the battery water cooling plate, and the B end is connected with the D end of the first electronic four-way valve; a cab warm air core body and a water-water plate type heat exchanger are sequentially connected between the C end of the first electronic three-way valve and the C end of the second electronic three-way valve in series; the refrigerating and heating system comprises a battery cooling loop, the battery cooling loop is formed by connecting the end A and the end B of the first electronic three-way valve, closing the end C, connecting the end A and the end B of the second electronic three-way valve, closing the end C, and connecting the battery water cooling plate in series to a cold storage circulation water path; the refrigerating and heating system comprises an air conditioner cooling loop, the air conditioner cooling loop is formed by communicating the end A and the end C of the first electronic three-way valve, closing the end B, communicating the end B and the end C of the second electronic three-way valve, closing the end A, and connecting the cab warm air core body and the water-water plate type heat exchanger in series into a cold storage circulation water path.
3. The pure electric vehicle whole vehicle refrigerating and heating system with the phase change energy storage device according to claim 2, characterized in that: the refrigerating and heating system comprises a third electronic four-way valve; the B end and the C end of the third electronic four-way valve are connected in series between the second water pump and the second condenser, the B end is connected with the second water pump, and the C end is connected with the second condenser; the A end and the D end of the third electronic four-way valve are connected to two ends of the water-water plate type heat exchanger; the refrigerating and heating system comprises an outer-layer circulating water path, the outer-layer circulating water path is formed by communicating the end A and the end B of the third electronic four-way valve, communicating the end C and the end D, and connecting the water-water plate type heat exchanger in series with an ATS heat storage loop; the refrigerating and heating system comprises an inner-layer circulating water path, the inner-layer circulating water path is formed by communicating an end A and an end D of the first electronic four-way valve, closing an end B and an end C, and connecting the air conditioner cooling loop with the cold storage module in a short circuit manner; and the outer layer circulating water path and the inner layer circulating water path form an air conditioner heat supply loop.
4. The pure electric vehicle whole vehicle refrigerating and heating system with the phase change energy storage device according to claim 3, characterized in that: and the outer-layer circulating water path is formed by communicating the A end and the B end of the third electronic four-way valve and communicating the C end and the D end, and the water-water plate type heat exchanger is connected with an ATS heat dissipation loop in series.
5. The pure electric vehicle whole vehicle refrigerating and heating system with the phase change energy storage device according to claim 2, characterized in that: the refrigerating and heating system comprises a third electronic three-way valve and a second right-angle three-way valve; two ends of the second right-angle tee are respectively connected with the first ends of the cold storage module and the heat storage module, and the third end of the second right-angle tee is connected with the B end of the first electronic four-way valve; the B end of the third electronic three-way valve is connected with the second end of the heat storage module, the C end of the third electronic three-way valve is connected with the second end of the cold storage module, and the A end of the third electronic three-way valve is connected with the C end of the first electronic four-way valve; the refrigeration and heating system comprises a battery heat supply loop, the battery heat supply loop is formed by communicating the end A and the end B of the third electronic three-way valve, the end C of the third electronic three-way valve is closed, and the heat storage module replaces a cold storage module in the battery cold supply loop.
6. The pure electric vehicle whole vehicle refrigerating and heating system with the phase change energy storage device according to claim 1, characterized in that: the refrigerating and heating system comprises a first expansion valve and a second expansion valve; the first expansion valve and the core body of the evaporator for the air conditioner in the cab are connected in series to form a first series pipeline, and the second expansion valve and the battery water-cooling evaporator are connected in series to form a second series pipeline; the first serial pipeline and the second serial pipeline are connected in parallel to form a parallel pipeline; and the parallel pipeline replaces a battery water-cooling evaporator in the compression refrigeration loop to form a new compression refrigeration loop.
7. The pure electric vehicle whole vehicle refrigerating and heating system with the phase change energy storage device according to claim 1, characterized in that: the refrigeration and heating system comprises an electronic fan, and the first condenser and the second condenser share the electronic fan.
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| CN201921229898.4U CN210706790U (en) | 2019-08-01 | 2019-08-01 | Whole vehicle refrigerating and heating system with phase change energy storage device for pure electric vehicle |
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| CN201921229898.4U CN210706790U (en) | 2019-08-01 | 2019-08-01 | Whole vehicle refrigerating and heating system with phase change energy storage device for pure electric vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110356198A (en) * | 2019-08-01 | 2019-10-22 | 博雷顿科技有限公司 | A kind of pure electric vehicle vehicle refrigerating and heating systems with phase-change energy storage device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110356198A (en) * | 2019-08-01 | 2019-10-22 | 博雷顿科技有限公司 | A kind of pure electric vehicle vehicle refrigerating and heating systems with phase-change energy storage device |
| CN110356198B (en) * | 2019-08-01 | 2024-03-15 | 博雷顿科技股份公司 | Whole car refrigerating and heating system of pure electric car with phase-change energy storage device |
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Address after: Room 208, Floor 2, Building 3, No. 168, Shennan Road, Minhang District, Shanghai, 201108 Patentee after: Bureton Technology Co.,Ltd. Address before: 201108 room g68, 3 / F, building 6, 4299 Jindu Road, Minhang District, Shanghai Patentee before: Burleton Technology Co.,Ltd. |