CN210122041U - Electric automobile motor waste heat recovery heat pump system - Google Patents
Electric automobile motor waste heat recovery heat pump system Download PDFInfo
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- CN210122041U CN210122041U CN201921125528.6U CN201921125528U CN210122041U CN 210122041 U CN210122041 U CN 210122041U CN 201921125528 U CN201921125528 U CN 201921125528U CN 210122041 U CN210122041 U CN 210122041U
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- 239000002918 waste heat Substances 0.000 title claims abstract description 19
- 238000011084 recovery Methods 0.000 title claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000007788 liquid Substances 0.000 claims abstract description 14
- 238000004781 supercooling Methods 0.000 claims description 15
- 239000003507 refrigerant Substances 0.000 abstract description 15
- 238000001816 cooling Methods 0.000 abstract description 6
- 238000004321 preservation Methods 0.000 abstract description 4
- 238000005057 refrigeration Methods 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 6
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
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Abstract
The utility model relates to an electric automobile motor waste heat recovery heat pump system, which comprises a compressor, an outdoor condenser, an evaporator, an expansion valve, a first heat exchanger, a second heat exchanger and an indoor condenser, wherein during the refrigeration working condition, the automobile room is cooled through the evaporator, and the second heat exchanger is used for cooling a motor or a battery; when the heat pump works, the refrigerant liquid absorbs the heat of the water circulation pipeline of the motor, the waste heat of the motor is recovered into the refrigerating system, and meanwhile, the heat is conveyed into the water circulation pipeline of the battery through the first heat exchanger to carry out heat preservation treatment on the battery; the utility model has the advantages of reasonable design, on the basis of the refrigerated heat pump system of traditional electrified pond, realize under the heat pump operating mode to the recovery of motor waste heat and the heat preservation of battery, improved heat pump system efficiency, promoted electric automobile's continuation of the journey mileage.
Description
Technical Field
The utility model relates to an electric automobile technical field especially relates to an electric automobile motor waste heat recovery heat pump system.
Background
In the existing electric vehicle heat management, a vehicle room air conditioner, a battery and a motor heat management are controlled separately and independently.
With the vigorous development of electric vehicles and the increasing demand for the endurance mileage of electric vehicles, the management of heat components of the entire vehicle, such as motors, batteries, air conditioners in the vehicle cabin, etc., is gradually emphasized, and the recovery of waste heat is also emphasized. At the same time, cooling and air conditioning specialties begin to merge, and the reasonable integration of functions and components becomes a great trend.
Disclosure of Invention
In view of the above shortcomings in the prior art, an object of the present invention is to provide a heat pump system for recovering waste heat of electric vehicle motors, which is a system for comprehensively managing the heat of a vehicle cabin, a motor and a battery.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides an electric automobile motor waste heat recovery heat pump system, includes compressor, outdoor condenser, evaporimeter and expansion valve, its characterized in that:
the system also comprises a first heat exchanger, a second heat exchanger and an indoor condenser;
the output side of the compressor is respectively communicated with the outdoor condenser and the input side of the first passage of the first heat exchanger through pipelines, and a high-pressure electromagnetic valve is arranged on the pipeline between the compressor and the outdoor condenser;
the outdoor condenser is communicated with the output side of the first passage of the first heat exchanger through a greenhouse restrictor and a corresponding pipeline, and the outdoor condenser is communicated with the output side of the compressor through the first passage of the first heat exchanger;
the second passage of the first heat exchanger is respectively communicated with the input side and the output side of the indoor condenser through pipelines to form a circulating pipeline, a conveying pump arranged in series is arranged on the circulating pipeline, and the pipeline between the output side of the indoor condenser and the indoor condenser is also communicated with a battery water circulating pipeline through a four-way valve;
the output side of the outdoor condenser is respectively communicated with the input side of the compressor or a first passage of the supercooling heat return pipe through a pipeline and a first three-way valve, and the first passage of the supercooling heat return pipe is also communicated with the input side of the evaporator through a pipeline;
the output side of the evaporator is communicated with the input side of the compressor through a pipeline, and the pipeline is also connected with a second passage of the supercooling heat return pipe in series;
the output side of the first passage of the first heat exchanger is also respectively communicated with the output side of the first passage of the supercooling heat return pipe or the input side of the first passage of the second heat exchanger through a pipeline and a second three-way valve, the expansion valve is also connected in series on the pipeline between the second three-way valve and the second heat exchanger, and the output side of the first passage of the second heat exchanger is communicated with the output side of the evaporator through a pipeline;
and the second passage of the second heat exchanger is respectively communicated with a battery water circulation pipeline or a motor water circulation pipeline through a pipeline.
And a gas-liquid separator which is arranged in series is also arranged on the pipeline at the input side of the compressor.
And a pressure sensor is also arranged on the pipeline at the input side of the outdoor condenser.
And temperature sensors are respectively arranged on the pipeline at the output side of the outdoor condenser and the pipeline at the input side of the indoor condenser.
The indoor condenser and the evaporator are both arranged in an air supply channel of the motor vehicle, and a PTC heater is also arranged in the air supply channel.
And a second passage of the second heat exchanger is communicated with the battery water circulation pipeline or the motor water circulation pipeline through a double-channel three-way valve.
To sum up, the utility model discloses following beneficial effect has: structural design is reasonable, on the basis of the heat pump system with battery cooling of the tradition, realizes the heat pump system efficiency to the recovery of motor waste heat and the heat preservation of battery under the operating mode, has promoted electric automobile's continuation of the journey mileage.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of the present invention (normal through path).
Fig. 2 is a schematic structural diagram of the present invention (detour path).
In the figure: the system comprises an outdoor condenser 1, a high-pressure electromagnetic valve 2, a compressor 3, a gas-liquid separator 4, a greenhouse restrictor 5, a first heat exchanger 6, a battery water circulation pipeline 7, a four-way valve 8, a PTC heater 9, an indoor condenser 10, an air supply channel 11, an evaporator 12, a two-channel three-way valve 13, a second heat exchanger 14, a second three-way valve 15, a first three-way valve 16, a temperature sensor 17, a refrigeration restrictor 18, a supercooling heat return pipe 19, a pressure sensor 20, an expansion valve 21, a delivery pump 22 and a motor water circulation pipeline 23.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
According to the figures 1 and 2: the utility model provides an electric automobile motor waste heat recovery heat pump system, which comprises a compressor 3, an outdoor condenser 1, an evaporator 12, an expansion valve 21, a first heat exchanger 6, a second heat exchanger 14 and an indoor condenser 10;
the output side of the compressor 3 is respectively communicated with the outdoor condenser 1 and the input side of a first passage of the first heat exchanger 6 through pipelines, and a high-pressure electromagnetic valve 2 is arranged on the pipeline between the compressor 3 and the outdoor condenser 1;
the outdoor condenser 1 is communicated with the output side of the first passage of the first heat exchanger 6 through a greenhouse restrictor and a corresponding pipeline, and the outdoor condenser 1 is communicated with the output side of the compressor 3 through the first passage of the first heat exchanger 6;
the second channel of the first heat exchanger 6 is respectively communicated with the input side and the output side of the indoor condenser 10 through pipelines to form a circulating pipeline, a conveying pump 22 which is arranged in series is arranged on the circulating pipeline, the pipeline between the output side of the indoor condenser 10 and the indoor condenser 10 is also communicated with the battery water circulating pipeline 7 through a four-way valve 8, the structure eliminates the refrigerant directly entering the indoor condenser 10, and by adopting the first heat exchanger 6 to exchange heat between the water flowing through the first heat exchanger 6 and the refrigerant, meanwhile, the communication effect with the battery water circulation pipeline 7 is also increased, so that the first heat exchanger 6 can be independently communicated with the indoor condenser 10 or serially connected with the battery water circulation pipeline 7 and the indoor condenser 10, because the temperature of the battery is higher, the circulating water in the first heat exchanger 6 firstly flows through the indoor condenser 10 and then enters the battery water circulating pipeline 7;
the output side of the outdoor condenser 1 is respectively communicated with the input side of the compressor 3 or a first passage of a supercooling heat return pipe 19 through a pipeline and a first three-way valve 16, the first passage of the supercooling heat return pipe 19 is also communicated with the input side of the evaporator 12 through a pipeline, and a refrigerating throttler 18 which is arranged in series is arranged on the pipeline between the first passage and the input side of the evaporator 12;
the output side of the evaporator 12 is communicated with the input side of the compressor 3 through a pipeline, and the pipeline is also connected with a second passage of the supercooling heat return pipe 19 in series;
the arrangement of the supercooling heat return pipe 19 can fully utilize the cold energy of the low-temperature gas in the output side pipeline of the evaporator 12, so that the low-temperature gas is in contact with the liquid refrigerant in the input side pipeline of the evaporator 12 to exchange energy, and the supercooling degree of the liquid refrigerant at the input side is increased, thereby improving the refrigerating capacity;
the output side of the first passage of the first heat exchanger 6 is further communicated with the output side of the first passage of the supercooling heat recovery pipe 19 or the input side of the first passage of the second heat exchanger 14 through a pipeline and a second three-way valve 15, the expansion valve 21 is further connected in series on the pipeline between the second three-way valve 15 and the second heat exchanger 14, and the output side of the first passage of the second heat exchanger 14 is communicated with the output side of the evaporator 12 through a pipeline;
and a second passage of the second heat exchanger 14 is respectively communicated with the battery water circulation pipeline 7 or the motor water circulation pipeline 23 through a pipeline and a two-channel three-way valve 13.
The pipeline at the input side of the compressor 3 is also provided with a gas-liquid separator 4 which is arranged in series, and the gas-liquid separator 4 is used for separating gaseous refrigerant and liquid refrigerant before the refrigerant enters the compressor 3.
A pressure sensor 20 is further disposed on the pipeline on the input side of the outdoor condenser 1, and is used for acquiring the pressure value of the refrigerant on the input side of the outdoor condenser 1.
The indoor condenser 10 and the evaporator 12 are both arranged in an air supply channel 11 of the motor vehicle, and a PTC heater 9 is also arranged in the air supply channel 11 and used for auxiliary heating;
each electric control assembly in the structure is respectively connected with an air conditioner control panel of the electric automobile heat management system, and the air conditioner control panel is connected with a special automobile microcomputer controller, so that the information acquisition and processing of each electric control assembly are realized, each electric control assembly is controlled, and the purpose of heat management is achieved.
The utility model provides an electric automobile motor waste heat recovery heat pump system mainly includes two kinds of operating modes of refrigeration operating mode and heat pump operating mode, and concrete theory of operation is as follows:
when the refrigerating working condition is met, high-pressure and high-temperature gas is discharged from the compressor 3, enters the outdoor condenser 1 and is condensed into high-temperature and high-pressure refrigerant liquid, and then is divided into two paths, wherein one path enters the evaporator 12 in the air supply channel 11 through the first path of the cold heat return pipe 19 and is used for cooling the vehicle room, the other path enters the second heat exchanger 14 through the first path of the cold heat return pipe 19, the second three-way valve 15 and the expansion valve 21, when the two-path three-way valve 13 is communicated with the motor water circulation pipeline 23, the second heat exchanger 14 is used for cooling the motor, when the two-path three-way valve 13 is communicated with the battery water circulation pipeline 7, the second heat exchanger 14 is used for cooling the battery, the refrigerant gas evaporated by the evaporator 12 and the second heat exchanger 14 returns to the compressor 3 through the second path of the cold heat return pipe 19, and the.
When the heat pump works, the compressor 3 discharges high-pressure and high-temperature gas, the gas enters a first passage of the first heat exchanger 6 to be condensed into high-temperature and high-pressure refrigerant liquid, and then the refrigerant liquid enters the outdoor condenser 1 to absorb outdoor heat and returns to the compressor 3; the other path enters a second heat exchanger 14 through a second three-way valve 15 and an expansion valve 21, at the moment, the two-path three-way valve 13 is switched to be communicated with a motor water circulation pipeline 23, refrigerant liquid absorbs heat of the motor water circulation pipeline 23, motor waste heat is recovered into a refrigeration system, and then the refrigerant liquid returns to the compressor 3 through a second path of a cold heat recovery pipe 19 to start new circulation;
the second path of the first heat exchanger 6 exchanges heat with the indoor condenser 10, so that the temperature of the circulating water of the indoor condenser 10 is increased, and at the moment, the second path can be switched to a communication state with the battery water circulation pipeline 7 through the four-way valve 8, so that heat can be transmitted into the battery water circulation pipeline 7 to perform heat preservation treatment on the battery.
The above is only the preferred embodiment of the present invention, as long as the preferred embodiment is realized by the same means, the objective technical solution of the present invention all belongs to the protection scope of the present invention.
Claims (6)
1. The utility model provides an electric automobile motor waste heat recovery heat pump system, includes compressor, outdoor condenser, evaporimeter and expansion valve, its characterized in that:
the system also comprises a first heat exchanger, a second heat exchanger and an indoor condenser;
the output side of the compressor is respectively communicated with the outdoor condenser and the input side of the first passage of the first heat exchanger through pipelines, and a high-pressure electromagnetic valve is arranged on the pipeline between the compressor and the outdoor condenser;
the outdoor condenser is communicated with the output side of the first passage of the first heat exchanger through a greenhouse restrictor and a corresponding pipeline, and the outdoor condenser is communicated with the output side of the compressor through the first passage of the first heat exchanger;
the second passage of the first heat exchanger is respectively communicated with the input side and the output side of the indoor condenser through pipelines to form a circulating pipeline, a conveying pump arranged in series is arranged on the circulating pipeline, and the pipeline between the output side of the indoor condenser and the indoor condenser is also communicated with a battery water circulating pipeline through a four-way valve;
the output side of the outdoor condenser is respectively communicated with the input side of the compressor or a first passage of the supercooling heat return pipe through a pipeline and a first three-way valve, and the first passage of the supercooling heat return pipe is also communicated with the input side of the evaporator through a pipeline;
the output side of the evaporator is communicated with the input side of the compressor through a pipeline, and the pipeline is also connected with a second passage of the supercooling heat return pipe in series;
the output side of the first passage of the first heat exchanger is also respectively communicated with the output side of the first passage of the supercooling heat return pipe or the input side of the first passage of the second heat exchanger through a pipeline and a second three-way valve, the expansion valve is also connected in series on the pipeline between the second three-way valve and the second heat exchanger, and the output side of the first passage of the second heat exchanger is communicated with the output side of the evaporator through a pipeline;
and the second passage of the second heat exchanger is respectively communicated with a battery water circulation pipeline or a motor water circulation pipeline through a pipeline.
2. The electric vehicle motor waste heat recovery heat pump system of claim 1, characterized in that: and a gas-liquid separator which is arranged in series is also arranged on the pipeline at the input side of the compressor.
3. The electric vehicle motor waste heat recovery heat pump system of claim 1, characterized in that: and a pressure sensor is also arranged on the pipeline at the input side of the outdoor condenser.
4. The electric vehicle motor waste heat recovery heat pump system of claim 1, characterized in that: and temperature sensors are respectively arranged on the pipeline at the output side of the outdoor condenser and the pipeline at the input side of the indoor condenser.
5. The electric vehicle motor waste heat recovery heat pump system of claim 1, characterized in that: the indoor condenser and the evaporator are both arranged in an air supply channel of the motor vehicle, and a PTC heater is also arranged in the air supply channel.
6. The electric vehicle motor waste heat recovery heat pump system of claim 1, characterized in that: and a second passage of the second heat exchanger is communicated with the battery water circulation pipeline or the motor water circulation pipeline through a double-channel three-way valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921125528.6U CN210122041U (en) | 2019-07-18 | 2019-07-18 | Electric automobile motor waste heat recovery heat pump system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921125528.6U CN210122041U (en) | 2019-07-18 | 2019-07-18 | Electric automobile motor waste heat recovery heat pump system |
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| Publication Number | Publication Date |
|---|---|
| CN210122041U true CN210122041U (en) | 2020-03-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921125528.6U Active CN210122041U (en) | 2019-07-18 | 2019-07-18 | Electric automobile motor waste heat recovery heat pump system |
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| Country | Link |
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| CN (1) | CN210122041U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111452592A (en) * | 2020-04-21 | 2020-07-28 | 一汽奔腾轿车有限公司 | Electric vehicle motor waste heat utilization system and control method thereof |
-
2019
- 2019-07-18 CN CN201921125528.6U patent/CN210122041U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111452592A (en) * | 2020-04-21 | 2020-07-28 | 一汽奔腾轿车有限公司 | Electric vehicle motor waste heat utilization system and control method thereof |
| CN111452592B (en) * | 2020-04-21 | 2024-05-14 | 一汽奔腾轿车有限公司 | Control method of electric automobile motor waste heat utilization system |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Room 426, Building 39, No. 369 Lushan Road, High tech Zone, Suzhou City, Jiangsu Province, 215011 Patentee after: Suzhou Deyi New Energy Vehicle Technology Co.,Ltd. Country or region after: China Address before: 253000, No. 6596 Dongfanghong East Road, Economic and Technological Development Zone, Dezhou City, Shandong Province (Building 3-2 of Zhongyuan Innovation Park) Patentee before: Shandong Deyi New Energy Automotive Technology Co.,Ltd. Country or region before: China |
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| CP03 | Change of name, title or address |