CN107031343A - A kind of electric automobile heating system and its control method - Google Patents
A kind of electric automobile heating system and its control method Download PDFInfo
- Publication number
- CN107031343A CN107031343A CN201710170200.5A CN201710170200A CN107031343A CN 107031343 A CN107031343 A CN 107031343A CN 201710170200 A CN201710170200 A CN 201710170200A CN 107031343 A CN107031343 A CN 107031343A
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- Prior art keywords
- heating
- battery
- outlet
- heat exchanger
- pipeline
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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
-
- 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
- B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
- B60H1/00385—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses a kind of electric automobile heating system and its control method, the system includes heating loop, battery heating circuit and is built-in with the thermal capacitance casing of heat exchanger.This method includes：By the heat transfer produced by heating loop to battery heating circuit so as to be heated to battery.By using the system and method for the present invention, it can realize that thermal source is shared, reduces cost, saves space-consuming and beneficial to vehicle lightweight.The present invention can be widely applied in electric automobile field as a kind of electric automobile heating system and its control method.
Description
Technical field
Apply to combine in electric automobile and adopt the present invention relates to the heat management control technology of electric automobile, more particularly to one kind
The heating system and its control method of heating system and electrokinetic cell heating system.
Background technology
Current new-energy automobile heating system is generally divided into two kinds：One kind is wind heating system, i.e., direct using heater
Cold air heating is sent to crew module；Another is liquid-heating system（As shown in Figure 1）, i.e. heater first heats the liquid, so
Afterwards using the liquid after heating by cold air heating, the hot blast of output is sent to crew module again.And for the battery in new-energy automobile
Heating system（As shown in Figure 2）, it is then realized by individually assembling a heater.As can be seen here, it is described traditional
Both heating system and battery heating system are to be completely independent, unrelated, and thermal source can not be shared, and cause heating power utilization rate low
Under, and under certain specific temperature environment, battery just needs to start heater, that is to say, that for battery heating system
For, its cell heater utilization rate is also relatively lower, furthermore the parts such as heater and the high-voltage wiring harness of mating cost is high, body
Product is big, therefore, and cost can be increased and take larger arrangement space by being independently arranged heating system and battery heating system.
The content of the invention
In order to solve the above-mentioned technical problem, electric automobile heating system and power are combined it is an object of the invention to provide one kind
The heating system of battery heating system.
It is a further object of the present invention to provide a kind of combination electric automobile heating system and electrokinetic cell heating system plus
The control method of hot systems.
The technical solution adopted in the present invention is：A kind of electric automobile heating system, including heating loop, battery are heated back
Road and the thermal capacitance casing for being built-in with heat exchanger, the heating loop are produced heating loop by the heat exchanger in thermal capacitance casing
Raw heat transfer is to battery heating circuit.
Further, the heating loop includes air-conditioning, heater and second circulation pump, and the heat outlet of the heat exchanger is logical
The inlet communication of piping and heater, the outlet of the heater passes through the inlet communication of pipeline and air-conditioning, the air-conditioning
Outlet is by the inlet communication of pipeline and second circulation pump, and the outlet of the second circulation pump is entered by the heat of pipeline and heat exchanger
Mouth connection.
Further, the battery heating circuit includes battery bag, first circulation pump and the second stop valve, the heat exchanger
Cold outlet is by the inlet communication of pipeline and the second stop valve, and the outlet of second stop valve passes through entering for pipeline and battery bag
Mouth connection, the outlet of the battery bag is by pipeline and the inlet communication of first circulation pump, and the outlet of the first circulation pump is logical
The cold inlet communication of piping and heat exchanger.
Further, the battery heating circuit also includes the first stop valve, and the outlet of the first circulation pump passes through pipeline
With the inlet communication of the first stop valve, the outlet of first stop valve passes through pipeline and the inlet communication of battery bag.
Another technical scheme of the present invention is：A kind of control method of electric automobile heating system, this method bag
The step of including has：
When ambient temperature is less than given threshold, heating loop carries out heating work to export hot blast；Then judgement is worked as
When needing to heat battery, then by the heat transfer produced by heating loop to battery heating circuit so as to battery progress
Heating.
Further, the heating loop carries out heating work so as to which the step for exporting hot blast, it is specially：
Flow into and exchanged heat in air-conditioning after the heated device heating of medium in heating loop, make air-conditioning export hot blast, then by sky
The medium flowed out is adjusted to flow through the hot import of inflow heat exchanger after second circulation pump, Jie then flowed into by the hot import of heat exchanger
Heat outlet of the matter through heat exchanger is flowed out in heater.
Further, the heat transfer by produced by heating loop is to battery heating circuit so as to be heated to battery
The step for, it is specially：
The second stop valve is controlled to open, first circulation pump flows into the medium in battery heating circuit by the cold import of heat exchanger
To heat exchanger, so as to make the medium in the medium and heating loop in battery heating circuit carry out heat exchange, to realize to battery
Medium in heating circuit is heated；Medium after heating is flowed into battery bag after the cold outlet outflow of heat exchanger, from
And battery is heated.
The beneficial effects of the invention are as follows：The heating system of the present invention is using being built-in with the thermal capacitance casing of heat exchanger by heating system
System is associated with battery heating system, so as to realize using the heat produced by heating system to heat battery, such energy
The heat produced by heating system is enough effectively utilized, realizes that thermal source is shared, heating power utilization rate is greatly improved, and battery is heated
Heater and high-voltage line etc. need not be set in system, cost can be effectively reduced, space-consuming is saved and beneficial to vehicle light weight
Change, so as to reduce the consumption to electrokinetic cell, increase course continuation mileage.
The present invention another beneficial effect be：The heating system control method of the present invention have it is simple, be easily achieved etc. it is excellent
Point, and by being controlled according to external temperature to heating loop and battery heating circuit, make heating loop pass through built-in
The heat transfer that the thermal capacitance casing for having heat exchanger is produced is heated into battery heating circuit to battery, can so be had
Realize that thermal source is shared using the heat produced by heating loop, greatly improve heating power utilization rate, and battery can be made to heat in effect ground
Heater and high-voltage line etc. need not be set in system, cost can be effectively reduced, space-consuming is saved and beneficial to vehicle light weight
Change, so as to reduce the consumption to electrokinetic cell, increase course continuation mileage.
Brief description of the drawings
Fig. 1 is the structural representation of traditional heating system；
Fig. 2 is the structural representation of conventional batteries heating system；
Fig. 3 is a kind of structural representation of electric automobile heating system of the invention.
1st, first circulation pump；2nd, the first stop valve；3rd, the second stop valve；4th, thermal capacitance casing；5th, second circulation pump.
Embodiment
It is separate to solve both traditional heating system and battery heating system, the problem of unrelated, this hair
Bright to provide a kind of electric automobile heating system, the system includes heating loop, battery heating circuit and is built-in with heat exchanger
Thermal capacitance casing, the heating loop is by the heat exchanger in thermal capacitance casing by the heat transfer produced by heating loop to battery
Heating circuit, so as to be heated to the battery in battery heating circuit.It can be seen that, heating system of the invention passes through built in one
There is the thermal capacitance casing of heat exchanger, store the waste heat of heating loop, and use it for the heating of batteries of electric automobile, to reach thermal source
Shared, reduction cell heater, mitigation complete vehicle weight, saving using energy source and other effects.
Embodiment 1, a kind of electric automobile heat protocol
As shown in figure 3, a kind of electric automobile heating system, including heating loop, battery heating circuit and it is built-in with heat exchanger
Thermal capacitance casing 4, the heating loop is by the heat exchanger in thermal capacitance casing 4 by the heat transfer produced by heating loop to electricity
Pond heating circuit；Wherein, the thermal capacitance casing 4 and heat exchanger constitute a heat container, and for described thermal capacitance casing 4, it enters
Good insulated design is gone so that the medium in thermal capacitance casing 4 is maintained within the scope of certain temperature；
The heating loop includes air-conditioning, heater and second circulation pump 5, and the heat outlet of the heat exchanger passes through pipeline with adding
The inlet communication of hot device, the outlet of the heater is by pipeline and the inlet communication of air-conditioning, and the outlet of the air-conditioning passes through pipe
The inlet communication in road and second circulation pump 5, the outlet of the second circulation pump 5 passes through pipeline and the hot inlet communication of heat exchanger；
The battery heating circuit includes battery bag, first circulation pump 1, the first stop valve 2 and the second stop valve 3, the heat exchange
The cold outlet of device is by pipeline and the inlet communication of the second stop valve 3, the outlet of second stop valve 3 and the first stop valve 2
Outlet by pipeline and the inlet communication of battery bag, the outlet of the battery bag is entered by pipeline and first circulation pump 1
Mouth connection, the outlet of the first circulation pump 1 is connected with the cold import of heat exchanger and the import of the first stop valve 2 respectively by pipeline
It is logical.
For the control process principle of said heating system, it includes：
When ambient temperature is less than given threshold, i.e., when ambient temperature is relatively low, vehicle launch heating loop is improved
Crew module's temperature, while being heated using the waste heat of heating loop to electrokinetic cell；
Crew module's temperature is improved for the vehicle launch heating loop, while using the waste heat of heating loop to electrokinetic cell
Heated, it is specially：
Heating loop starts, and flows into and is exchanged heat in air-conditioning after the heated device heating of the medium in heating loop, makes air-conditioning export
Hot blast improves crew module's temperature, still has higher heat in the medium then flowed out by air-conditioning, therefore it is passed through into
The hot import of the heat exchanger flowed into after two circulating pumps 5 in thermal capacitance casing 4, then, the medium flowed into by the hot import of heat exchanger are passed through
The heat outlet of heat exchanger is flowed out in heater, so that heating loop is formed, and during this, thermal capacitance casing 4 can be stored and adopted
The waste heat of medium in warm loop, makes the medium in thermal capacitance casing 4 be maintained in certain temperature range；
Then when judging to need to heat battery, the first stop valve 2 of control is closed, and the second stop valve 3 is opened, and first follows
The heat exchanger that ring pump 1 flows into the medium of low temperature in battery heating circuit in thermal capacitance casing 4 by the cold import of heat exchanger, from
And make the medium of low temperature and the medium of heating loop high temperature in battery heating circuit carry out heat exchange, utilize thermal capacitance case to realize
Waste heat in the heating loop that body 4 is stored is heated to the medium in battery heating circuit, and the medium after heating is from heat exchange
Flowed into after the cold outlet outflow of device in battery bag, so as to be heated to battery.It can be seen that, in heating loop and battery heating circuit
Medium is independently circulated, and is not interfere with each other, and the stability of both loop works is so also can guarantee that in heating.
Further, since being additionally provided with the first stop valve 2 in battery heating circuit, therefore, when without being heated to battery, then
Second stop valve 3 is closed；Then the medium in battery heating circuit can graduate into low temperature, then when need to battery cool down
When, then the first stop valve 2 can be opened, now, the medium of low temperature can cool to battery in battery heating circuit, make battery
Heating circuit also has battery cooling function, is not only simple in structure, but also make the function of battery heating circuit be expanded.
Had the advantage that and included from above-mentioned, of the invention heating system and its control method：
1st, heating loop is associated with battery heating circuit, the waste heat for effectively utilizing heating loop is heated to battery, is subtracted
Few energy resource consumption, improves thermal source utilization rate；
2nd, thermal capacitance casing is added, casing built-in heat exchanger can both store a part of heat, it is to avoid thermal loss, can make again
The heat exchange of both high-temperature medium and cryogenic media is abundant；
3rd, using thermal capacitance casing, cell heater and high-voltage wiring harness etc. can need not be set, cost and mitigation can be effectively saved
Weight, so as to reduce the consumption to electrokinetic cell, increases course continuation mileage.
Above is the preferable implementation to the present invention is illustrated, but the invention is not limited to the implementation
Example, those skilled in the art can also make a variety of equivalent variations or replace on the premise of without prejudice to spirit of the invention
Change, these equivalent deformations or replacement are all contained in the application claim limited range.
Claims (7)
1. a kind of electric automobile heating system, it is characterised in that：Including heating loop, battery heating circuit and it is built-in with heat exchange
The thermal capacitance casing of device, the heating loop is by the heat exchanger in thermal capacitance casing by the heat transfer produced by heating loop to electricity
Pond heating circuit.
2. a kind of electric automobile heating system according to claim 1, it is characterised in that：The heating loop include air-conditioning,
Heater and second circulation pump, the heat outlet of the heat exchanger pass through pipeline and the inlet communication of heater, the heater
Outlet by the inlet communication of pipeline and air-conditioning, the outlet of the air-conditioning by the inlet communication of pipeline and second circulation pump,
The outlet of the second circulation pump passes through pipeline and the hot inlet communication of heat exchanger.
3. a kind of electric automobile heating system according to claim 2, it is characterised in that：The battery heating circuit includes electricity
Chi Bao, first circulation pump and the second stop valve, the cold outlet of the heat exchanger by pipeline and the inlet communication of the second stop valve,
The outlet of second stop valve is by pipeline and the inlet communication of battery bag, and the outlet of the battery bag passes through pipeline and first
The inlet communication of circulating pump, the outlet of the first circulation pump passes through pipeline and the cold inlet communication of heat exchanger.
4. a kind of electric automobile heating system according to claim 3, it is characterised in that：The battery heating circuit also includes
First stop valve, the outlet of the first circulation pump passes through pipeline and the inlet communication of the first stop valve, first stop valve
The outlet inlet communication that passes through pipeline and battery bag.
5. a kind of control method of electric automobile heating system as claimed in claim 1, it is characterised in that：The step that this method includes
Suddenly have：
When ambient temperature is less than given threshold, heating loop carries out heating work to export hot blast；Then judgement is worked as
When needing to heat battery, then by the heat transfer produced by heating loop to battery heating circuit so as to battery progress
Heating.
6. a kind of control method of electric automobile heating system according to claim 5, it is characterised in that：The heating loop
Heating work is carried out so as to which the step for exporting hot blast, it is specially：
Flow into and exchanged heat in air-conditioning after the heated device heating of medium in heating loop, make air-conditioning export hot blast, then by sky
The medium flowed out is adjusted to flow through the hot import of inflow heat exchanger after second circulation pump, Jie then flowed into by the hot import of heat exchanger
Heat outlet of the matter through heat exchanger is flowed out in heater.
7. a kind of control method of electric automobile heating system according to claim 6, it is characterised in that：It is described to return heating
Heat transfer produced by road is to battery heating circuit so as to which the step for heating to battery, it is specially：
The second stop valve is controlled to open, first circulation pump flows into the medium in battery heating circuit by the cold import of heat exchanger
To heat exchanger, so as to make the medium in the medium and heating loop in battery heating circuit carry out heat exchange, to realize to battery
Medium in heating circuit is heated；Medium after heating is flowed into battery bag after the cold outlet outflow of heat exchanger, from
And battery is heated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710170200.5A CN107031343A (en) | 2017-03-21 | 2017-03-21 | A kind of electric automobile heating system and its control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710170200.5A CN107031343A (en) | 2017-03-21 | 2017-03-21 | A kind of electric automobile heating system and its control method |
Publications (1)
| Publication Number | Publication Date |
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| CN107031343A true CN107031343A (en) | 2017-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710170200.5A Pending CN107031343A (en) | 2017-03-21 | 2017-03-21 | A kind of electric automobile heating system and its control method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110217071A (en) * | 2019-06-13 | 2019-09-10 | 浙江吉利控股集团有限公司 | A kind of vehicle control system for heat management and control method |
| CN110696583A (en) * | 2018-07-09 | 2020-01-17 | 宝沃汽车（中国）有限公司 | Control method and device for electric automobile heating loop and electric automobile |
| CN114312211A (en) * | 2021-12-09 | 2022-04-12 | 阿尔特汽车技术股份有限公司 | Heat supply method and system for vehicle equipment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110696583A (en) * | 2018-07-09 | 2020-01-17 | 宝沃汽车（中国）有限公司 | Control method and device for electric automobile heating loop and electric automobile |
| CN110217071A (en) * | 2019-06-13 | 2019-09-10 | 浙江吉利控股集团有限公司 | A kind of vehicle control system for heat management and control method |
| CN114312211A (en) * | 2021-12-09 | 2022-04-12 | 阿尔特汽车技术股份有限公司 | Heat supply method and system for vehicle equipment |
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Application publication date: 20170811 |
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| RJ01 | Rejection of invention patent application after publication |