CN108001157B - Battery box heating system - Google Patents
Battery box heating system Download PDFInfo
- Publication number
- CN108001157B CN108001157B CN201711269405.5A CN201711269405A CN108001157B CN 108001157 B CN108001157 B CN 108001157B CN 201711269405 A CN201711269405 A CN 201711269405A CN 108001157 B CN108001157 B CN 108001157B
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- water
- inlet
- outlet
- heat exchanger
- battery box
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 41
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 36
- 230000017525 heat dissipation Effects 0.000 claims description 10
- 238000007664 blowing Methods 0.000 claims description 3
- 230000001502 supplementing effect Effects 0.000 claims description 2
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000004378 air conditioning Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00271—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit
- B60H1/00278—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit for the battery
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/615—Heating or keeping warm
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Secondary Cells (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The application discloses a battery box heating system, in the temperature control system, when a battery box needs to be heated, heat in a driving motor is led into the battery box by controlling the opening and closing of each electric stop valve, so that PTC is prevented from being arranged on a pipeline of the battery box for independent heating, the consumption of electric quantity on PTC heating is reduced, the cruising of the battery box is further improved, and a water-water heat exchanger is arranged at an inlet of the battery box, so that the slow heating of the battery box can be ensured.
Description
Technical Field
The application relates to the technical field of automobile temperature control, in particular to a battery box heating system.
Background
Along with the development of low-carbon economy, stricter requirements are put forward on energy conservation and emission reduction, and the electric automobile becomes one of the automobile development aspects in the future due to the characteristics of energy conservation and environmental protection. However, the air conditioning system of the electric automobile is different from the original automobile air conditioning system due to the fact that the battery is used as a power source.
Currently, in a new energy automobile, a battery pack is generally required to be heated, and some battery packs are heated by adopting various modes, such as an independent heat source, namely PTC heating, and the PTC heating of the battery pack is shown in FIG. 1.
However, in the above-mentioned various heating methods, if an independent heat source is used, for example: the mere use of PTC for heating requires more battery power and thus reduces the range of the vehicle.
Disclosure of Invention
The application provides a battery box heating system which is used for solving the problem that more battery energy is required to be consumed when a battery pack is heated by using PTC (Positive temperature coefficient) in the prior art.
The specific technical scheme is as follows:
a battery box heating system comprises a refrigeration system and a heat dissipation system, wherein,
in the refrigerating system, an outlet of an air conditioner condenser is connected with an inlet of an in-vehicle evaporator and an inlet of a plate heat exchanger through pipelines, the outlets of the in-vehicle evaporator and the plate heat exchanger are connected with a compressor unit, an outlet of the compressor unit is connected with the inlet of the air conditioner condenser, the inlet of the in-vehicle evaporator is connected with a first expansion valve, and the inlet of the plate heat exchanger is connected with a second expansion valve;
the heat dissipation system comprises three branches, wherein a driving motor outlet in a first branch is connected with a first electric stop valve and then connected with a water heating radiator inlet, and a water heating radiator outlet is connected with a first electric water pump and then connected with a driving motor inlet; the outlet of the driving motor in the second branch is connected with a second electric stop valve, the outlet of the second electric stop valve is connected with a first inlet of a water-water heat exchanger, the first outlet of the water-water heat exchanger is connected with an inlet of a battery box, a PTC heater is arranged at the inlet of the battery box, the outlet of the battery box is connected with an inlet of a rear plate-type heat exchanger of a second electric water pump, the outlet of the driving motor in the third branch is connected with an inlet of a third electric stop valve, the outlet of the third electric stop valve is connected with an inlet of a radiator, and the outlet of the radiator is connected with the rear plate-type heat exchanger of the first electric water pump and then is connected with the driving motor;
in the heat dissipation system, the other outlet of the plate heat exchanger is connected with the second inlet of the water-water heat exchanger, and the second outlet of the water-water heat exchanger is connected with the inlet of the first electric water pump.
Optionally, the compressor unit includes a first compressor and a second compressor, and the first compressor and the second compressor are arranged side by side.
Optionally, the temperature control system further comprises a pressure sensor, and the pressure sensor is arranged at the outlet of the air conditioner condenser.
Optionally, the temperature control system further includes:
and the outlet of the expansion water supplementing tank is connected with the inlet of the first electric water pump.
Optionally, the battery box comprises a charging unit and a battery pack, and a charger in the charging unit is connected with a battery module in the battery pack.
Optionally, the system further comprises a charger temperature sensor and a battery pack temperature sensor, wherein the charger temperature sensor is arranged on the surface of the charger, and the battery pack sensor is arranged on the surface of the battery pack.
Optionally, the temperature control system further includes:
the condensing fan is arranged adjacent to the radiator and used for radiating the radiator;
and the air blower is arranged adjacent to the water heating radiator and is used for carrying out air blowing and heat dissipation on the water heating radiator.
According to the temperature control system provided by the embodiment of the application, when the battery box needs to be heated, the heat in the driving motor is led into the battery box through the pipeline and the opening and closing of the electric stop valve, so that the PTC is prevented from being arranged on the pipeline of the battery box for independent heating, the electric quantity consumption on PTC heating is reduced, and the cruising of the battery box is further improved.
Drawings
FIG. 1 is a schematic diagram of a prior art automotive temperature control system;
fig. 2 is a schematic structural diagram of a heating system for a battery box according to an embodiment of the application.
Detailed Description
The following detailed description of the technical solutions of the present application will be given by way of the accompanying drawings and the specific embodiments, and it should be understood that the specific technical features of the embodiments and the embodiments of the present application are merely illustrative of the technical solutions of the present application, and not limiting, and that the embodiments and the specific technical features of the embodiments of the present application may be combined with each other without conflict.
Fig. 1 is a schematic structural diagram of a battery box heating system according to an embodiment of the present application, where the temperature control system includes: refrigeration system and cooling system.
In the refrigerating system, an outlet of an air conditioner condenser 1 is connected with an inlet of an in-vehicle evaporator 3 and an inlet of a plate heat exchanger 4 through a pipeline 2, the outlets of the in-vehicle evaporator 3 and the plate heat exchanger 4 are connected with a compressor unit 5, the outlet of the compressor unit 5 is connected with the inlet of the air conditioner condenser 1, the inlet of the in-vehicle evaporator 3 is connected with a first expansion valve 6, and the inlet of the plate heat exchanger 4 is connected with a second expansion valve 7;
the heat dissipation system comprises three branches, wherein an outlet of a driving motor 8 in a first branch is connected with an inlet of a water heating radiator 10 after being connected with a first electric stop valve 9, and an outlet of the water heating radiator 10 is connected with a first electric water pump 11 and then is connected with an inlet of the driving motor 8; the outlet of the driving motor 8 in the second branch is connected with the second electric stop valve 12, the outlet of the second electric stop valve 12 is connected with the first inlet of the water-water heat exchanger 15, the first outlet of the water-water heat exchanger 15 is connected with the inlet of the battery box 13, a PTC heater is arranged at the inlet of the battery box 13, the outlet of the battery box 13 is connected with the first inlet of the second electric water pump 17 rear plate heat exchanger 4, the outlet of the driving motor 8 in the third branch is connected with the inlet of the third electric stop valve 14, the outlet of the third electric stop valve 14 is connected with the inlet of the radiator 16, and the outlet of the radiator 16 is connected with the first electric water pump 11 and then connected with the driving motor 8;
in the heat dissipation system, the other outlet of the plate heat exchanger 4 is connected to the second inlet of the water-water heat exchanger 15, and the second outlet of the water-water heat exchanger 15 is connected to the inlet of the first electric water pump 11.
Specifically, in the above system, when the battery box 13 needs to be heated, the first electric stop valve 9 is closed, the third electric stop valve 14 is closed, the second electric stop valve 12 is opened, so that the pipeline from the driving motor 8 to the battery box 13 is conducted, and the first electric water pump 11 is started, so that the heat in the driving motor 8 can enter the battery box 13 through the pipeline 2, and the battery box 13 is heated, and the PTC is not required to be arranged in the system to heat the battery box 13 independently, so that the electricity consumption in the system is reduced, and the endurance of the battery box is improved.
In the embodiment of the application, the water-water heat exchanger 15 is arranged at the inlet of the battery box 15, the heat in the driving motor 8 firstly enters the water-water heat exchanger 15, and after the heat in the water-water heat exchanger 15 is adjusted, the heat enters the battery box 13 to heat the battery box 13, and the battery box 13 can be slowly heated through the water-water heat exchanger 15, so that the temperature of the battery box 13 can be ensured not to be too high.
For example, when the driving motor 8 heats the battery box 13, the temperature of the driving motor 8 reaches 70-80 ℃, and the temperature required by the battery box 13 is 30-40 ℃, so that the battery box 13 is heated too high by directly using the heat of the driving motor 8, and the battery box 13 can be slowly heated by the water-water heat exchanger 15, so that the safety and stability of the battery box 13 are ensured.
Therefore, by the temperature control system provided by the embodiment of the application, when the battery box needs to be heated, the heat in the driving motor is led into the battery box through the pipeline and the opening and closing of the electric stop valve, so that the PTC is prevented from being arranged on the pipeline of the battery box for independent heating, the electric quantity consumption on the PTC heating is reduced, and the cruising of the battery box is further improved.
In the embodiment of the application, when the battery box 13 needs to dissipate heat, the liquid in the battery box can be pumped into the plate heat exchanger 4 through the second electric water pump 17, so that the heat in the battery box 13 can dissipate heat through the plate heat exchanger 4.
Further, in the embodiment of the present application, the compressor unit 5 in the temperature control system includes a first compressor and a second compressor, where the first compressor and the second compressor are arranged side by side, so that the space occupied by the compressors can be saved without entering the space, and a better refrigeration effect can be provided. Of course, in the embodiment of the present application, 1 or more compressors may be further provided in the compressor unit, and the number of specific compressors may be adjusted according to actual application situations.
In addition, in the embodiment of the present application, although two driving motors 8 are shown in fig. 1, in practical application, only one driving motor 8 may be provided, or 2 or more driving motors 8 may be provided, and the number of driving motors 8 may be determined according to practical use situations.
Further, in the embodiment of the application, the temperature control system further comprises a pressure sensor, wherein the pressure sensor is arranged at the outlet position of the air conditioner condenser 1, and the pressure at the outlet position of the air conditioner condenser 1 can be detected through the pressure sensor, so that timely alarm is given when the outlet pressure of the air conditioner condenser 1 is high, and the stable operation of the system is ensured.
Further, in the embodiment of the present application, the temperature control system further includes an expansion water compensating tank, the outlet of the expansion water compensating tank 18 is connected to the inlet of the first electric water pump 11, and the expansion water compensating tank 18 can timely provide water for the temperature control system, so that heat circulation of the pipeline 2 is ensured.
Further, in the embodiment of the present application, the battery box 13 includes a charging unit and a battery pack, and one charger in the charging unit is connected to one battery module in the battery pack, so that each battery module can be charged by each charger.
In addition, in the embodiment of the present application, the battery box 13 may include only a battery pack in which a plurality of battery modules, each of which supplies power to the driving motor 8, are included.
Further, in the embodiment of the application, the temperature control system further comprises a charger temperature sensor and a battery pack temperature sensor, wherein the charger temperature sensor is arranged on the surface of the charger and is used for detecting the temperature of the charger, and when the temperature of the charger is higher, the temperature sensor can generate a detection signal, so that the system is ensured to give an alarm. The battery pack temperature sensor is arranged on the surface of the battery pack and used for detecting the temperature of the battery pack, and when the temperature of the battery pack is higher, the temperature sensor can generate a detection signal, so that the system is ensured to give an alarm that the temperature of the battery is overhigh.
Further, in the embodiment of the present application, the temperature control system further includes a condensing fan and a blower, where the condensing fan is disposed adjacent to the radiator 16 and is used for ventilating the radiator 16, so that the radiator 16 radiates heat, and the blower is disposed adjacent to the water heating radiator 10 and is used for blowing and radiating the water heating radiator 10, and in practical application, the blower, the water heating radiator 10, the in-vehicle evaporator 3 and each air door form a heating ventilation and air conditioning HVAC.
Further, in the embodiment of the present application, the temperature control system further includes a motor inlet pipe temperature sensor, where the temperature sensor is disposed at the inlet of the pipeline of the driving motor 8, and is used for detecting the temperature of the liquid entering the driving motor 8.
While preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following appended claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the application, including those modified to include the use of specific symbols, labels, and so forth to determine vertices.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present application without departing from the spirit or scope of the application. Thus, it is intended that the present application also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (7)
1. A battery box heating system is characterized in that the battery box heating system comprises a refrigerating system and a heat dissipation system, wherein,
in the refrigerating system, an outlet of an air conditioner condenser is connected with an inlet of an in-vehicle evaporator and an inlet of a plate heat exchanger through pipelines, the outlets of the in-vehicle evaporator and the plate heat exchanger are connected with a compressor unit, an outlet of the compressor unit is connected with the inlet of the air conditioner condenser, the inlet of the in-vehicle evaporator is connected with a first expansion valve, and the inlet of the plate heat exchanger is connected with a second expansion valve;
the heat dissipation system comprises three branches, wherein a driving motor outlet in a first branch is connected with a first electric stop valve and then connected with a water heating radiator inlet, and a water heating radiator outlet is connected with a first electric water pump and then connected with a driving motor inlet; the outlet of the driving motor in the second branch is connected with a second electric stop valve, the outlet of the second electric stop valve is connected with a first inlet of the water-water heat exchanger, the first outlet of the water-water heat exchanger is connected with an inlet of the battery box, the water-water heat exchanger is arranged at the inlet of the battery box, heat in the driving motor firstly enters the water-water heat exchanger, and after heat adjustment is carried out in the water-water heat exchanger, the heat enters the battery box to heat the battery box; the PTC heater is arranged at the inlet of the battery box, the outlet of the battery box is connected with the inlet of the rear plate heat exchanger of the second electric water pump, the outlet of the driving motor in the third branch is connected with the inlet of the third electric stop valve, the outlet of the third electric stop valve is connected with the inlet of the radiator, and the outlet of the radiator is connected with the first electric water pump and then is connected with the driving motor;
in the heat dissipation system, the other outlet of the plate heat exchanger is connected with the second inlet of the water-water heat exchanger, and the second outlet of the water-water heat exchanger is connected with the inlet of the first electric water pump.
2. The battery compartment heating system of claim 1, wherein the compressor train includes a first compressor and a second compressor, the first compressor and the second compressor being disposed side-by-side.
3. The battery compartment heating system of claim 1, further comprising a pressure sensor disposed at an outlet of the air conditioner condenser.
4. The battery compartment heating system of claim 1, further comprising:
and the outlet of the expansion water supplementing tank is connected with the inlet of the first electric water pump.
5. The battery compartment heating system of claim 1, wherein the battery compartment includes a battery pack and a charging unit, a charger in the battery pack being connected to a battery module in the battery pack.
6. The battery compartment heating system of claim 5 further comprising a charger temperature sensor disposed on the charger surface and a battery pack temperature sensor disposed on the battery pack surface.
7. The battery compartment heating system of claim 1, further comprising:
the condensing fan is arranged adjacent to the radiator and used for radiating the radiator;
and the air blower is arranged adjacent to the water heating radiator and is used for carrying out air blowing and heat dissipation on the water heating radiator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711269405.5A CN108001157B (en) | 2017-12-05 | 2017-12-05 | Battery box heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711269405.5A CN108001157B (en) | 2017-12-05 | 2017-12-05 | Battery box heating system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108001157A CN108001157A (en) | 2018-05-08 |
| CN108001157B true CN108001157B (en) | 2023-10-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711269405.5A Active CN108001157B (en) | 2017-12-05 | 2017-12-05 | Battery box heating system |
Country Status (1)
| Country | Link |
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| CN (1) | CN108001157B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108725134B (en) * | 2018-06-06 | 2020-11-20 | 北京长城华冠汽车科技股份有限公司 | Thermal management system of new energy automobile, adjusting method of thermal management system and new energy automobile |
| CN108899612A (en) * | 2018-08-15 | 2018-11-27 | 江西新电汽车空调系统有限公司 | A kind of integration module for freezing and heating for used in new energy vehicles lithium battery |
| CN110217071B (en) * | 2019-06-13 | 2021-01-15 | 浙江吉利控股集团有限公司 | Vehicle thermal management control system and control method |
| CN111319424B (en) * | 2020-03-09 | 2021-08-10 | 浙江大学 | Electric automobile thermal management system |
| CN112060938A (en) * | 2020-08-28 | 2020-12-11 | 宝能(广州)汽车研究院有限公司 | Charging control method and charging device for electric vehicle and vehicle |
| CN117507761A (en) * | 2022-07-27 | 2024-02-06 | 北京车和家信息技术有限公司 | Heat pump air conditioning system and vehicle |
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| DE4333613A1 (en) * | 1992-10-01 | 1994-04-07 | Hitachi Ltd | Cooling system for electric motor vehicle with electric drive motor - includes pump and cooling line for non-freezing coolant soln. which is force-circulated through pipeline for cooling heat produced by electric drive motor and cooled by radiator and fan. |
| CN102050007A (en) * | 2010-12-13 | 2011-05-11 | 法雷奥汽车空调湖北有限公司 | Control system for heat management of electric vehicle |
| CN102941791A (en) * | 2012-11-08 | 2013-02-27 | 上海汽车集团股份有限公司 | Integrated thermal cycling system of electric vehicle |
| CN203339273U (en) * | 2013-05-30 | 2013-12-11 | 天津清源电动车辆有限责任公司 | Device for heating cell box through afterheat of heating devices in electric vehicle |
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2017
- 2017-12-05 CN CN201711269405.5A patent/CN108001157B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4333613A1 (en) * | 1992-10-01 | 1994-04-07 | Hitachi Ltd | Cooling system for electric motor vehicle with electric drive motor - includes pump and cooling line for non-freezing coolant soln. which is force-circulated through pipeline for cooling heat produced by electric drive motor and cooled by radiator and fan. |
| CN102050007A (en) * | 2010-12-13 | 2011-05-11 | 法雷奥汽车空调湖北有限公司 | Control system for heat management of electric vehicle |
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| CN203339273U (en) * | 2013-05-30 | 2013-12-11 | 天津清源电动车辆有限责任公司 | Device for heating cell box through afterheat of heating devices in electric vehicle |
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| CN108001157A (en) | 2018-05-08 |
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