CN219749447U - Electric wide vehicle thermal management integrated system - Google Patents
Electric wide vehicle thermal management integrated system Download PDFInfo
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- CN219749447U CN219749447U CN202320761564.1U CN202320761564U CN219749447U CN 219749447 U CN219749447 U CN 219749447U CN 202320761564 U CN202320761564 U CN 202320761564U CN 219749447 U CN219749447 U CN 219749447U
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- expansion valve
- heat exchanger
- pipeline
- compressor
- condenser
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 63
- 238000001816 cooling Methods 0.000 claims abstract description 15
- 230000017525 heat dissipation Effects 0.000 claims abstract description 8
- 238000004378 air conditioning Methods 0.000 abstract description 29
- 238000004134 energy conservation Methods 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 3
- 238000009423 ventilation Methods 0.000 abstract description 2
- 238000005057 refrigeration Methods 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 7
- 238000005265 energy consumption Methods 0.000 description 4
- 239000003507 refrigerant Substances 0.000 description 4
- 239000002826 coolant Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- Air-Conditioning For Vehicles (AREA)
Abstract
The utility model provides a thermal management integrated system of an electric wide vehicle, which comprises a power battery, a water pump, a PT sensor, a plate heat exchanger, an electronic expansion valve, an electromagnetic thermal expansion valve, a cab evaporator, a compressor, a condenser and a heat dissipation fan, wherein the PT sensor is arranged on a power battery cooling loop; the compressor is connected to the condenser, the condenser is divided into two paths after passing through the electronic expansion valve, one path is connected to the compressor after passing through the electromagnetic thermal expansion valve and the cab evaporator, the other path is connected to the cold water inlet of the plate heat exchanger after passing through the electronic expansion valve, and the hot water outlet of the plate heat exchanger is connected to the compressor. Through the integrated air conditioning system, the functions of cab refrigeration, heating, ventilation, power battery refrigeration and the like are met, and the purposes of simplicity and convenience in whole vehicle installation, low cost, vibration and noise reduction, energy conservation, consumption reduction and the like are achieved.
Description
Technical Field
The utility model relates to the technical field of electric wide vehicles, in particular to a thermal management integrated system of an electric wide vehicle.
Background
At present, the electric wide-body vehicle thermal management system mainly comprises a cab air conditioning system and a power battery air conditioning system, wherein the power battery air conditioning system mainly comprises a power battery 1, an auxiliary water tank 2, a water pump 3, a first compressor 4, a plate heat exchanger 5, a first drying filter 6, a first condenser 7, a first heat dissipation fan 8, a first expansion valve 9 and the like, and the structure and the principle of the power battery air conditioning system are respectively shown in fig. 1 and 2. The cabin air conditioning system mainly comprises a second compressor 10, a cabin evaporator 11, a second expansion valve 12, a second drying filter 13, a second condenser 14, a second heat dissipation fan 15 and the like, and the structure and the principle of the cabin air conditioning system are respectively shown in fig. 3 and 4. From the above, it can be seen that the following disadvantages generally exist in the operation of the cabin air conditioning system and the power battery air conditioning system, which are separately operated:
(1) The system has more parts, high spare part cost, large occupied space of the whole vehicle and difficult arrangement;
(2) The application cost of parts of the system is high, the probability of reliability problems such as leakage and the like of the system is increased, and the maintenance is complicated;
(3) The assembly efficiency is low, and the overhaul and debugging man-hour is high;
(4) The noise and vibration are large, and the comfort is poor;
(5) The dual systems independently operate and have larger total energy consumption, and the aims of energy conservation and consumption reduction cannot be achieved.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: in order to overcome the defects in the prior art, the utility model provides a thermal management integrated system of an electric wide vehicle.
The technical scheme adopted for solving the technical problems is as follows: the electric wide-body vehicle heat management integrated system comprises a power battery, a water pump, a PT sensor, a plate heat exchanger, an electronic expansion valve, an electromagnetic thermal expansion valve, a cab evaporator, a compressor, a condenser and a heat dissipation fan, wherein the PT sensor is arranged on a cooling loop of the power battery and is used for monitoring and measuring the temperature of a cooling medium on the cooling loop of the power battery and sending a temperature value to a controller; the water inlet of the power battery cooling loop is connected with the outlet of the water pump through a pipeline, the inlet of the water pump is connected to the cold water outlet P2 of the plate heat exchanger through a pipeline, and the water outlet of the power battery cooling loop is connected to the hot water inlet P1 of the plate heat exchanger through a pipeline; the outlet of the compressor is connected to the inlet of the condenser through a pipeline, the outlet of the condenser is divided into two paths after passing through the electronic expansion valve, one path of the outlet of the condenser is connected to the inlet of the compressor after passing through the electromagnetic thermal expansion valve and the cab evaporator through the pipeline, the other path of the outlet of the condenser is connected to the cold water inlet P3 of the plate heat exchanger after passing through the electronic expansion valve through the pipeline, and the hot water outlet P4 of the plate heat exchanger is connected to the inlet of the compressor through the pipeline. The two systems of the separately operated cab air conditioning system and the power battery air conditioning system are integrated together to form a system, so that single-system operation is realized, and the number of parts and occupied space are reduced.
The plate heat exchanger has a hot water inlet P1, a cold water outlet P2, a cold water inlet P3, a hot water outlet P4, wherein the hot water inlet communicates with the cold water outlet and the cold water inlet communicates with the hot water outlet.
Further, in order to heat the cab, the air conditioner further includes a PCT heater and a blower, wherein the PCT heater is incorporated in the cab evaporator, and the blower transmits heat to the cab.
Further, in order to realize the control of the air conditioning system, the air conditioning system further comprises a controller and an air conditioning control panel, wherein the air conditioning control panel is connected with the controller through a circuit, and the controller is connected with the electronic expansion valve and the electromagnetic thermal expansion valve through the circuit.
When the air conditioning system is operated for a period of time, the internal heat exchange medium is lost, so that the heat exchange effect is reduced, and therefore, further, the air conditioning system further comprises an auxiliary water tank which is connected to a pipeline between the water pump and the plate heat exchanger through a pipeline in order to timely supplement the lost cooling medium.
Preferably, the power cells are at least one group. The number of the power batteries can be configured according to the actual situation of the automobile.
Further preferably, the power batteries are multiple groups, and water inlets and water outlets of the heat exchange systems of the multiple groups of power batteries are arranged in parallel.
The beneficial effects of the utility model are as follows:
(1) The system has high integration level, small number of parts, small occupied space of the whole vehicle and simple arrangement;
(2) The single system works with low energy consumption, and meets the environment-friendly requirements of energy conservation and consumption reduction;
(3) The system has low cost and is convenient to maintain;
(4) The assembly efficiency is high, the overhaul and the debugging are uniform, and the working hours are reduced;
(5) The probability of reliability problems such as leakage and the like of the system is reduced;
(6) The vibration is small, the noise is low, and the comfort is improved.
Drawings
The utility model is further described below with reference to the drawings and examples.
Fig. 1 is a schematic diagram of a prior art power cell air conditioning system.
Fig. 2 is a schematic diagram of the power cell air conditioning system of fig. 1.
Fig. 3 is a schematic diagram of a prior art cabin air conditioning system.
Fig. 4 is a schematic diagram of the cabin air conditioning system of fig. 3.
Fig. 5 is a schematic structural diagram of the electric wide vehicle thermal management integrated system of the present utility model.
Fig. 6 is a schematic diagram of the electric scooter thermal management integrated system of fig. 5.
In the figure: 1. the device comprises a power battery, 2, an auxiliary water tank, 3, a water pump, 4, a first compressor, 5, a plate heat exchanger, 6, a first dry filter, 7, a first condenser, 8, a first heat dissipation fan, 9, a first expansion valve, 10, a second compressor, 11, a cab evaporator, 12, a second expansion valve, 13, a second dry filter, 14, a second condenser, 15, a second heat dissipation fan, 16, a controller, 17, an air conditioner control panel, 18, an electronic expansion valve, 19, an electromagnetic thermal expansion valve, 20, a compressor, 21, a PTC heater, 22, a condenser, 23, a heat dissipation fan, 24, a dry filter, 25 and a pipeline.
Detailed Description
The present utility model will now be described in detail with reference to the accompanying drawings. The figure is a simplified schematic diagram illustrating the basic structure of the utility model only by way of illustration, and therefore it shows only the constitution related to the utility model.
As shown in fig. 5 and 6, the electric wide body vehicle thermal management integrated system of the present utility model comprises a power battery 1, a water pump 3, a PT sensor, a plate heat exchanger 5, an electronic expansion valve 18, an electromagnetic thermal expansion valve 19, a cab evaporator 11, a compressor 20, a condenser 22 and a heat radiation fan 23, wherein the PT sensor is arranged on a cooling circuit of the power battery 1, the plate heat exchanger 5 is provided with a hot water inlet P1, a cold water outlet P2, a cold water inlet P3 and a hot water outlet P4, wherein the hot water inlet is communicated with the cold water outlet, and the cold water inlet is communicated with the hot water outlet. The water inlet of the cooling circuit of the power battery 1 is connected with the outlet of the water pump 3 through a pipeline 25, the inlet of the water pump 3 is connected to the cold water outlet P2 of the plate heat exchanger 5 through a pipeline 25, and the water outlet of the cooling circuit of the power battery 1 is connected to the hot water inlet P1 of the plate heat exchanger 5 through a pipeline 25; the outlet of the compressor 20 is connected to the inlet of the condenser 22 through a pipeline 25, the outlet of the condenser 22 is divided into two paths through the electronic expansion valve 18, wherein one path is connected to the inlet of the compressor 20 through the electromagnetic thermal expansion valve 19 and the cab evaporator 11 through the pipeline 25, the other path is connected to the cold water inlet P3 of the plate heat exchanger 5 through the pipeline 25 through the electronic expansion valve 18, and the hot water outlet P4 of the plate heat exchanger 5 is connected to the inlet of the compressor 20 through the pipeline 25. The two systems of the separately operated cab air conditioning system and the power battery 1 air conditioning system are integrated together to form a system, so that single-system operation is realized, and the number of parts and occupied space are reduced. The cab heater is provided with a PCT heater and a blower, and the cab evaporator 11 is provided with the PCT heater and supplies heat to the cab through the blower. In order to realize the control of the air conditioning system, the air conditioning system further comprises a controller 16 and an air conditioning control panel 17, wherein the air conditioning control panel 17 is connected with the controller 16 through a circuit, and the controller 16 is connected with an electronic expansion valve 18 and an electromagnetic thermal expansion valve 19 through a circuit. Also included is a secondary tank 2, said secondary tank 2 being connected to a line 25 between the water pump 3 and the plate heat exchanger 5 by means of a line 25. Preferably, the power cells 1 are at least one group. In this embodiment, the power batteries 1 are two groups, and water inlet and water outlet of the heat exchange system of the two groups of power batteries 1 are arranged in parallel. To enable operation of the system, the system also includes accessories that cooperate with the installation and operation of the system.
Working principle:
the system can realize the air conditioning functions of refrigerating, heating, ventilation and the like in a cab and the refrigerating temperature maintaining control function of the power battery 1, and the control modes of the two functions are that the power distribution is carried out through the electronic expansion valve 18 and the electromagnetic thermal expansion valve 19, so that the energy-saving and high-efficiency system application purpose is achieved.
The electric wide-body vehicle thermal management system is characterized in that a compressor 20 pressurizes a refrigerant into high-temperature high-pressure gas, the refrigerant is converted into high-temperature high-pressure liquid after radiating through a condenser 22, impurities and moisture are effectively filtered through a dry filter 24, the refrigerant is sent to an evaporation part, the electromagnetic thermal expansion valve 19 or the electronic expansion valve 18 with a throttling function is used for reducing the pressure and releasing the pressure to a cab evaporator 11 or a plate heat exchanger 5 for heat exchange, the purpose of cooling and refrigerating in the cab or a power battery 1 is achieved, the refrigerant flowing out of the cab evaporator 11 or the plate heat exchanger 5 is converted into low-temperature low-pressure gas, and the low-pressure gas is sucked by an air suction port of the compressor 20 again, and then the next refrigerating cycle is carried out. The condenser 22 and the cab are in heat exchange with the air flowing through the fan.
The control mode of the system is that the rotation speed of the compressor 20 is controlled through the water temperature at the inlet and outlet of the box of the power battery 1, the superheat degree is measured through a PT sensor of a cooling circuit of the power battery 1, the opening of the electronic expansion valve 18 is controlled through the controller 16, and the opening of the air conditioner in the cab is controlled through the thermal expansion valve and the on-off of the circuit is controlled through the electromagnetic valve. When the maximum rotation speed of the compressor 20 still cannot meet the cooling requirement of the power battery 1, the refrigerating capacity of the air conditioner of the cab is reduced by controlling the on-off state of the electromagnetic valve of the air conditioner of the cab, so that the working requirement of the power battery 1 is preferentially ensured. The cab heating function heats by the PTC heater 21 built in the evaporator and is sent to the cab through the blower.
The utility model meets the functional requirements of refrigerating, heating, ventilating, refrigerating of the power battery 1 and the like of the cab of the electric wide vehicle by the application of the integrated air conditioning system, and achieves the purposes of simple and convenient installation and application of the whole vehicle, low cost, reduction of vibration and noise, energy conservation, consumption reduction and the like.
While the foregoing is directed to the preferred embodiment of the present utility model, other and further embodiments of the utility model may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.
Claims (6)
1. An electric wide body vehicle thermal management integrated system is characterized in that: the intelligent cooling system comprises a power battery, a water pump, a PT sensor, a plate heat exchanger, an electronic expansion valve, an electromagnetic thermal expansion valve, a cab evaporator, a compressor, a condenser and a heat dissipation fan, wherein the PT sensor is arranged on a cooling loop of the power battery, a water inlet of the cooling loop of the power battery is connected with an outlet of a water pump through a pipeline, an inlet of the water pump is connected to a cold water outlet P2 of the plate heat exchanger through a pipeline, and a water outlet of the cooling loop of the power battery is connected to a hot water inlet P1 of the plate heat exchanger through a pipeline; the outlet of the compressor is connected to the inlet of the condenser through a pipeline, the outlet of the condenser is divided into two paths after passing through the electronic expansion valve, one path of the outlet of the condenser is connected to the inlet of the compressor after passing through the electromagnetic thermal expansion valve and the cab evaporator through the pipeline, the other path of the outlet of the condenser is connected to the cold water inlet P3 of the plate heat exchanger after passing through the electronic expansion valve through the pipeline, and the hot water outlet P4 of the plate heat exchanger is connected to the inlet of the compressor through the pipeline.
2. The electric scooter thermal management integrated system as recited in claim 1, wherein: the vehicle cab evaporator is internally provided with the PCT heater and a blower, and heat is transmitted into the cab through the blower.
3. The electric scooter thermal management integrated system as recited in claim 1, wherein: the air conditioner control panel is connected with the controller through a circuit, and the controller is connected with the electronic expansion valve and the electromagnetic thermal expansion valve through a circuit.
4. The electric scooter thermal management integrated system as recited in claim 1, wherein: the heat exchanger also comprises an auxiliary water tank, wherein the auxiliary water tank is connected to a pipeline between the water pump and the plate heat exchanger through a pipeline.
5. The electric scooter thermal management integrated system as recited in claim 1, wherein: the power batteries are at least one group.
6. The electric scooter thermal management integrated system as claimed in claim 5, wherein: the power batteries are multiple groups, and water inlets and water outlets of the heat exchange systems of the power batteries are connected in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320761564.1U CN219749447U (en) | 2023-04-07 | 2023-04-07 | Electric wide vehicle thermal management integrated system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320761564.1U CN219749447U (en) | 2023-04-07 | 2023-04-07 | Electric wide vehicle thermal management integrated system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219749447U true CN219749447U (en) | 2023-09-26 |
Family
ID=88086407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320761564.1U Active CN219749447U (en) | 2023-04-07 | 2023-04-07 | Electric wide vehicle thermal management integrated system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219749447U (en) |
-
2023
- 2023-04-07 CN CN202320761564.1U patent/CN219749447U/en active Active
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