CN217347417U - New energy automobile thermal management system - Google Patents
New energy automobile thermal management system Download PDFInfo
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- CN217347417U CN217347417U CN202220245096.8U CN202220245096U CN217347417U CN 217347417 U CN217347417 U CN 217347417U CN 202220245096 U CN202220245096 U CN 202220245096U CN 217347417 U CN217347417 U CN 217347417U
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- air conditioner
- motor
- battery pack
- liquid separator
- gas
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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Abstract
The utility model relates to a new energy automobile thermal management system relates to the technical field of automobile design and manufacturing. The utility model discloses a new energy automobile heat management system, including air conditioner heating pipeline, battery package heating pipeline and motor cooling pipeline, air conditioner heating pipeline includes air conditioner heater, air conditioner vapour and liquid separator and the air conditioner water pump that is used for heating the coolant liquid of air conditioner; the battery heating pipeline comprises a battery pack heater, an expansion water tank and a battery pack water pump, wherein the battery pack heater is used for heating cooling liquid of a battery pack; the motor cooling pipeline comprises an outdoor heat exchanger for exchanging heat of cooling liquid of the motor, a motor gas-liquid separator and a motor water pump; and the air-conditioning gas-liquid separator and the motor gas-liquid separator are respectively communicated with the expansion water tank. The utility model discloses a new energy automobile heat management system passes through vapour and liquid separator and is connected with hose for expansion tank, satisfies pressure release, compensation coolant liquid, and demands such as gas-liquid separation can reduce and arrange the degree of difficulty, put in order car weight and cost.
Description
Technical Field
The utility model relates to a technical field of automobile design and manufacturing, more specifically say, the utility model relates to a new energy automobile thermal management system.
Background
As shown in figures 1-3 in the current market, expansion water tanks of an air conditioner heating system, a battery pack heating system and a motor cooling system of most new energy automobiles are arranged independently, three expansion water tanks are needed to realize the functions of pressure relief, cooling liquid compensation, gas-liquid separation and the like of the whole automobile heat management, the three expansion water tanks are large in size, the product arrangement difficulty of the automobiles in the research and development process is increased, and the cost and the weight of the whole automobile are also increased.
SUMMERY OF THE UTILITY MODEL
For solving the above-mentioned technical problem that exists among the prior art, the utility model aims at providing a new energy automobile thermal management system.
The utility model discloses a new energy automobile thermal management system, its characterized in that: the air conditioner heating pipeline comprises an air conditioner heater, an air conditioner gas-liquid separator and an air conditioner water pump, wherein the air conditioner heater is used for heating cooling liquid of an air conditioner; the battery heating pipeline comprises a battery pack heater, an expansion water tank and a battery pack water pump, wherein the battery pack heater is used for heating cooling liquid of a battery pack; the motor cooling pipeline comprises an outdoor heat exchanger for exchanging heat of cooling liquid of the motor, a motor gas-liquid separator and a motor water pump; the air-conditioning gas-liquid separator and the motor gas-liquid separator are also respectively communicated with the expansion water tank.
Wherein, the air conditioner water pump is arranged on a pipeline between the air conditioner gas-liquid separator and the air conditioner.
Wherein, the battery package water pump sets up on the pipeline between expansion tank and battery package.
Wherein, the motor water pump is arranged on a pipeline between the motor gas-liquid separator and the motor.
The expansion water tank comprises a water tank body, and a pressure cover is arranged on the water tank body.
Compared with the prior art, the utility model discloses a new energy automobile thermal management system has following beneficial effect:
the utility model discloses a new energy automobile thermal management system utilizes an expansion tank to add two vapour and liquid separator and replaces three expansion tank, through vapour and liquid separator and for the hose connection of expansion tank, satisfies pressure release, the compensation coolant liquid of whole car thermal management, demands such as gas-liquid separation to can reduce and arrange the degree of difficulty, whole car weight and cost.
Drawings
Fig. 1 is a schematic diagram of an air conditioner heating system of a new energy vehicle in the prior art.
Fig. 2 is a schematic diagram of a battery pack heating system of a new energy vehicle in the prior art.
Fig. 3 is a schematic diagram of a motor cooling system of a new energy vehicle in the prior art.
Fig. 4 is a schematic view of the thermal management system of the new energy vehicle in embodiment 1.
Detailed Description
The new energy automobile thermal management system of the present invention will be further described with reference to specific embodiments below to help those skilled in the art to understand the technical solution of the present invention more completely, accurately and deeply.
Example 1
As shown in fig. 4, the embodiment provides a new energy automobile thermal management system, which includes an air conditioner heating line, a battery pack heating line, and a motor cooling line. The air conditioner heating pipeline comprises an air conditioner heater, an air conditioner gas-liquid separator and an air conditioner water pump, wherein the air conditioner heater is used for heating cooling liquid of an air conditioner, and the air conditioner water pump is arranged on a pipeline between the air conditioner gas-liquid separator and the air conditioner. The battery heating pipeline comprises a battery pack heater, an expansion water tank and a battery pack water pump, wherein the battery pack heater is used for heating cooling liquid of a battery pack, and the battery pack water pump is arranged on a pipeline between the expansion water tank and the battery pack. The motor cooling pipeline comprises an outdoor heat exchanger for exchanging heat for cooling liquid of the motor, a motor gas-liquid separator and a motor water pump, and the motor water pump is arranged on a pipeline between the motor gas-liquid separator and the motor. The air-conditioning gas-liquid separator and the motor gas-liquid separator are also respectively communicated with the expansion water tank. In this embodiment, the expansion tank comprises a tank body, and a pressure cover is arranged on the tank body.
The working principle of the new energy automobile thermal management system of the embodiment is as follows:
(1) the expansion water tank participates in the circulation of the cooling liquid of the battery pack heating system, and the functions of pressure relief, gas-liquid separation, cooling liquid compensation and the like of the cooling liquid circulation during the heating circulation of the battery pack can be directly realized;
(2) and the air conditioner heating system is started
I, increasing the temperature of cooling liquid, increasing the pressure of a system, and when the pressure value reaches a certain value (4.9Kpa), introducing high pressure into an expansion water tank of the battery pack through an air-liquid separator of the air conditioner and introducing the high pressure into the atmosphere through a pressure cover of the expansion water tank;
II, further increasing the temperature of the cooling liquid, increasing the volume, and storing redundant cooling liquid in an expansion water tank of the battery pack through a gas-liquid separator;
(3) air conditioner heating system off
I, increasing the temperature of the cooling liquid, reducing the pressure in the system, and when the pressure is reduced to a certain value (4.9Kpa), opening a pressure cover of a battery pack expansion water tank, communicating the atmosphere with an air conditioner heating circulation system, and realizing the balance of the internal pressure and the external pressure of the system;
and II, the temperature of the cooling liquid is reduced, the volume is reduced, and the cooling liquid stored in the expansion water tank of the battery pack is supplemented into an air conditioner heating system through an air conditioner gas-liquid separator.
(4) When the cooling liquid of the air-conditioning heating system is short, the expansion water tank of the battery pack can also supplement the cooling liquid for the air-conditioning heating system through the gas-liquid separator;
gas generated by the air-conditioning heating system in a circulating mode is discharged into the battery pack expansion water tank through the air-conditioning gas-liquid separator;
(5) motor cooling system on
I, increasing the temperature of cooling liquid, increasing the pressure of a system, and when the pressure value reaches a certain value (4.9Kpa), introducing high pressure into an expansion water tank of the battery pack through a gas-liquid separator of the motor and introducing the high pressure into the atmosphere through a pressure cover of the expansion water tank;
II, further increasing the temperature of the cooling liquid, increasing the volume, and storing redundant cooling liquid in an expansion water tank of the battery pack through a gas-liquid separator;
(6) motor cooling system shutdown
I, the temperature of the cooling liquid rises, the pressure in the system drops, when the pressure drops to a certain value, a pressure cover of an expansion water tank of the battery pack is opened, and the atmosphere is communicated with a cooling circulation system of the motor, so that the internal and external pressure of the system is balanced;
and II, the temperature of the cooling liquid is reduced, the volume is reduced, and the cooling liquid stored in the expansion water tank of the battery pack is supplemented into an air conditioner heating system through a motor gas-liquid separator.
(7) When the cooling liquid of the motor cooling system is lack, the battery pack expansion water tank can also supply the cooling liquid to the motor cooling system through the gas-liquid separator;
gas generated by the motor cooling system in a circulating mode is discharged into the battery pack expansion water tank through the motor gas-liquid separator;
the new energy automobile heat management system of this embodiment effectively combines air conditioner heating pipeline, battery package heating pipeline and motor cooling pipeline together through expansion tank, compares with prior art and has reduced 2 expansion tank, has increased 2 vapour and liquid separators, has great advantage in the aspect of reducing whole car cost and system layout degree of difficulty.
For those skilled in the art, the specific embodiments are only exemplary descriptions of the present invention, and it is obvious that the present invention is not limited by the above-mentioned manner, and various insubstantial modifications are possible within the protection scope of the present invention as long as the method concept and technical solution of the present invention are adopted.
Claims (5)
1. The utility model provides a new energy automobile thermal management system which characterized in that: the air conditioner heating pipeline comprises an air conditioner heater, an air conditioner gas-liquid separator and an air conditioner water pump, wherein the air conditioner heater is used for heating cooling liquid of an air conditioner; the battery pack heating pipeline comprises a battery pack heater, an expansion water tank and a battery pack water pump, wherein the battery pack heater is used for heating cooling liquid of a battery pack; the motor cooling pipeline comprises an outdoor heat exchanger for exchanging heat of cooling liquid of the motor, a motor gas-liquid separator and a motor water pump; the air-conditioning gas-liquid separator and the motor gas-liquid separator are also respectively communicated with the expansion water tank.
2. The new energy automobile heat management system of claim 1, wherein: the air conditioner water pump is arranged on a pipeline between the air conditioner gas-liquid separator and the air conditioner.
3. The thermal management system of the new energy automobile according to claim 1, characterized in that: the battery pack water pump is arranged on a pipeline between the expansion water tank and the battery pack.
4. The thermal management system of the new energy automobile according to claim 1, characterized in that: the motor water pump is arranged on a pipeline between the motor gas-liquid separator and the motor.
5. The thermal management system of the new energy automobile according to claim 1, characterized in that: the expansion tank comprises a water tank body, and a pressure cover is arranged on the water tank body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220245096.8U CN217347417U (en) | 2022-01-29 | 2022-01-29 | New energy automobile thermal management system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220245096.8U CN217347417U (en) | 2022-01-29 | 2022-01-29 | New energy automobile thermal management system |
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| Publication Number | Publication Date |
|---|---|
| CN217347417U true CN217347417U (en) | 2022-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220245096.8U Active CN217347417U (en) | 2022-01-29 | 2022-01-29 | New energy automobile thermal management system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118478652A (en) * | 2024-07-15 | 2024-08-13 | 南京金龙客车制造有限公司 | Cooling liquid replenishing device, battery cooling system and cooling liquid replenishing control method |
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2022
- 2022-01-29 CN CN202220245096.8U patent/CN217347417U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118478652A (en) * | 2024-07-15 | 2024-08-13 | 南京金龙客车制造有限公司 | Cooling liquid replenishing device, battery cooling system and cooling liquid replenishing control method |
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