CN201528026U - Vehicle battery heat management system - Google Patents
Vehicle battery heat management system Download PDFInfo
- Publication number
- CN201528026U CN201528026U CN200920071788XU CN200920071788U CN201528026U CN 201528026 U CN201528026 U CN 201528026U CN 200920071788X U CN200920071788X U CN 200920071788XU CN 200920071788 U CN200920071788 U CN 200920071788U CN 201528026 U CN201528026 U CN 201528026U
- Authority
- CN
- China
- Prior art keywords
- battery
- power brick
- cooling fluid
- management system
- unit
- Prior art date
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- 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
- Secondary Cells (AREA)
Abstract
The utility model discloses a vehicle battery heat management system comprising a battery pack which comprises battery units between which cooling liquid is filled. A cooling liquid inlet and a cooling liquid outlet are respectively connected to two pipelines so as to form a big circulation pipeline and a small circulation; the big circulation pipeline is connected with a main heat exchanger, and the small circulation pipeline is connected in series with a heating unit and a refrigerating unit; the connecting position of the big circulation pipeline and the small pipeline is provided with a valve, and the big circulation pipeline and the small circulation pipeline are provided with a pump for driving the cooling liquid to flow; and in addition, a control unit for collecting signals of a temperature sensor of the battery pack and controlling other parts is further included. The vehicle battery heat management system can enable a battery to stay in an environment with appropriate temperature all the time, thereby prolonging the service life of a battery system, guaranteeing the safety of the battery system and reducing the use cost of the battery system.
Description
Technical field
The utility model relates to a kind of automobile battery thermal management system.
Background technology
In recent years, owing to face the pressure of energy cost and government and consumer pay attention to day by day for environmental protection, hybrid vehicle and electric automobile are with its advantage that can significantly reduce or eliminate exhaust emissions and cut down the consumption of energy, cause the attention of numerous automobile production producer, and drop into the huge fund research and development one after another and promote.Yet power battery technology has but restricted the popularization of hybrid vehicle and electric automobile greatly, becomes the bottleneck of new-energy automobile development.
Electrokinetic cell plays unusual key effect as energy storage device in hybrid vehicle and electric automobile, its performance quality influences the performance of car load greatly.Electrokinetic cell is undertaken forming after the connection in series-parallel by a plurality of battery cells, present electrokinetic cell monomer all can't operate as normal under the environment of extreme low temperature (less than-30 ℃) and thermal extremes (greater than 50 ℃), cause with the electrokinetic cell is that vehicle this moment of energy source also can't operate as normal, make vehicle can't reach the requirement of round-the-clock running, comparing its use with orthodox car has big limitation.
In addition, present electrokinetic cell by tens or a hundreds of battery cell connection in series-parallel form, if a certain battery causes the monomer decreased performance because of aging or other reasons, will cause the performance of whole power battery to decline to a great extent, if a certain battery cell lost efficacy, just might cause the inefficacy of whole power battery.Bring very burden with regard to the maintenance of giving electrokinetic cell like this: if arbitrary battery cell lost efficacy, just must change the entire cell bag, because current battery itself costs an arm and a leg, so just cause the maintenance cost of battery high simultaneously.Cause that the battery cell performance is inconsistent a lot of reasons, and that one of them important reasons is exactly the temperature of each battery cell is unbalanced, causes temperature too high battery cell accelerated ageing or inefficacy.
In addition, high-power energy exchange between electrokinetic cell and other system (comprising that energy injects power brick or energy is exported from power brick), and the power brick partial circuit is when breaking down (as short circuit), power brick may cause potential safety hazard for the operation of vehicle because of the overheated serious accident that causes the deterioration of performance even cause the power brick blast.
The existence of the problems referred to above has all seriously restricted promoting the use of of hybrid vehicle and electric automobile, electrokinetic cell has become the bottleneck of new-energy automobile development at present, each big automobile vendor of the whole world and scientific research institution also drop into substantial contribution and manpower one after another and go to the research work of electrokinetic cell, but develop with regard to present battery technology, the problem that solves electrokinetic cell monomer technology in the short time is still very difficult.
Said automobile comprises electric automobile and hybrid vehicle in the utility model.
The utility model content
Technical problem to be solved in the utility model provides a kind of automobile battery thermal management system, can make battery system remain in the good working environment, prolong the life-span of battery system, guarantee the safety of battery system, reduce the use cost of battery system.
For solving the problems of the technologies described above, the technical scheme of the utility model automobile battery thermal management system is to comprise:
Power brick, be provided with the battery unit of mutual electrical connection in the described power brick, described battery unit is made up of one or a plurality of battery cells of mutually being electrically connected, described power brick sealed package, each battery unit most of or the space that is filled with cooling fluid all surround, and all spaces that are filled with cooling fluid all are interconnected, and are provided with temperature sensor in the described space that is filled with cooling fluid, and described power brick is provided with the entrance and exit of cooling fluid;
Thereby being connected respectively to, the entrance and exit of described cooling fluid forms two circulations in two pipelines, be respectively systemic circulation and partial circulating, described systemic circulation is the entrance and exit of described power brick cooling fluid and the circulation line that main heat exchanger is formed, described partial circulating is the circulation line that the heating unit that is connected in series in the entrance and exit of described power brick cooling fluid and the pipeline and refrigeration unit are formed, the position of described systemic circulation and the handing-over of partial circulating pipeline is provided with valve, and described systemic circulation pipeline and partial circulating pipeline are provided with the pump that drives coolant flow;
Also comprise a control unit, described control unit is gathered the signal of described temperature sensor, and controls the operating state of described refrigeration unit and heating unit, and controls described valve to select systemic circulation pipeline or partial circulating pipeline.
The utility model can make battery be in all the time in the proper temperature environment, thereby has prolonged the useful life of battery system, has guaranteed the safety of battery system, has reduced the use cost of battery system.
Description of drawings
Below in conjunction with drawings and Examples the utility model is described in further detail:
Accompanying drawing is the structural representation of the utility model automobile battery thermal management system.
Embodiment
The structure of the utility model automobile battery thermal management system comprises as shown in drawings:
Power brick, be provided with the battery unit of mutual electrical connection in the described power brick, described battery unit is made up of one or a plurality of battery cells of mutually being electrically connected, described power brick sealed package, each battery unit most of or the space that is filled with cooling fluid all surround, and all spaces that are filled with cooling fluid all are interconnected, and are provided with temperature sensor in the described space that is filled with cooling fluid, and described power brick is provided with the entrance and exit of cooling fluid;
Thereby being connected respectively to, the entrance and exit of described cooling fluid forms two circulations in two pipelines, be respectively systemic circulation and partial circulating, described systemic circulation is the entrance and exit of described power brick cooling fluid and the circulation line that main heat exchanger is formed, described partial circulating is the circulation line that the heating unit that is connected in series in the entrance and exit of described power brick cooling fluid and the pipeline and refrigeration unit are formed, the position of described systemic circulation and the handing-over of partial circulating pipeline is provided with valve, and described systemic circulation pipeline and partial circulating pipeline are provided with the pump that drives coolant flow; Wherein main heat exchanger is exactly the heat-exchange system on the existing automobile, and it is after automobile starting, by automobile engine drive work; Wherein the general refrigeration of main heat exchanger and the power that heats are bigger, and refrigeration can be used air conditioner compressor system, heat heating of cool cycles water or the electric heating that can adopt engine.
Also comprise a control unit, described control unit is gathered the signal of described temperature sensor, and controls the operating state of described refrigeration unit and heating unit, and controls described valve to select systemic circulation pipeline or partial circulating pipeline.
Described power brick skin also is provided with jacket, thereby makes power brick few influence that is subjected to ambient temperature of trying one's best.
Also be provided with solar cell in the described automobile battery thermal management system.
Temperature sensor in the described power brick is one or more, and is evenly distributed in the described power brick.
Described heating unit is an electric heating unit, is for example adopting heating wire or PTC at heating unit.
Described refrigeration unit is for adopting the refrigeration unit of compressor, and this is the structure of at present the most conventional refrigerating plant, is widely used in the occasion that for example air-conditioning, refrigerator etc. need freeze.
Described refrigeration unit can also be the refrigeration unit that adopts semiconductor cooling device.This refrigerating plant volume is little, and owing to there is not mechanical moving element, can not produce mechanicalness noise, has been applied to also can adopting in refrigeration unit of the present invention on some small refrigerators.
The method of work of the utility model automobile battery thermal management system is:
When automobile does not start, and at the automobile starting initial operating stage, cooling fluid in the main heat exchanger circulation circuit is not also passed through enough preheatings or precooling, still in the time of can not realizing regulating cell bag temperature function, described control unit switches valve, make described cooling fluid only may in the partial circulating pipeline, circulate, and, make that the temperature of cooling fluid remains in the power brick to make battery cell operate as normal and well behaved temperature levels according to the temperature information of temperature sensor in power brick control refrigeration unit, heating unit and the work that drives the pump of coolant flow.
For example, if the temperature of cooling fluid is in battery cell operate as normal and well behaved temperature levels in power brick, the pump of described driving coolant flow, refrigeration unit and heating unit can quit work; If the temperature of cooling fluid is higher than battery cell operate as normal and well behaved temperature levels in power brick, the pump of described driving coolant flow drives coolant flow, refrigeration unit work simultaneously, and heating unit is not worked; If the temperature of cooling fluid is lower than battery cell operate as normal and well behaved temperature levels in power brick, the pump of described driving coolant flow drives coolant flow, heating unit work simultaneously, and refrigeration unit is not worked.This mode of operation can reduce the consumption to the energy to greatest extent.
After the automobile starting operation, after cooling fluid in the main heat exchanger circulation circuit has been passed through enough preheating or precooling, when circulation circuit can have been realized regulating cell bag temperature function, described control unit switches valve, make cooling fluid only may in the systemic circulation pipeline, circulate, and control described main heat exchanger and drive the work of the pump of coolant flow according to the temperature information of temperature sensor in the power brick, make that the temperature of cooling fluid remains in the power brick to make battery cell operate as normal and well behaved temperature levels.
When automobile does not start, and when the temperature of cooling fluid was crossed automobile under the low situation and just started in power brick, the temperature of automobile engine was not elevated to enough height as yet.If the temperature of cooling fluid is low excessively in the power brick, and this moment automobile engine temperature be not enough to improve the temperature of cooling fluid in the power brick, can not switch to systemic circulation this moment.Except above-mentioned situation, if the temperature of cooling fluid is low excessively in the power brick, the cooling fluid in the main heat exchanger circulation circuit is enough to improve the temperature of cooling fluid in the power brick, and can carry out adjustment to cooling fluid in the power brick this moment by systemic circulation.
When automobile does not start, and at the automobile starting initial operating stage, cooling fluid in the main heat exchanger circulation circuit is not also passed through enough preheatings or precooling, still in the time of can not realizing regulating cell bag temperature function, the pump of described control unit, refrigeration unit, heating unit and driving coolant flow is powered by described power brick.
Described control unit is also controlled described solar cell described battery cell is charged.
When automobile does not start, and at the automobile starting initial operating stage, cooling fluid in the main heat exchanger circulation circuit is not also passed through enough preheatings or precooling, still in the time of can not realizing regulating cell bag temperature function, the pump of described control unit, refrigeration unit, heating unit and driving coolant flow is by described solar cell for supplying power.
Sometimes because cloudy day or evening, cause the sunray deficiency, when automobile does not start, and at the automobile starting initial operating stage, cooling fluid in the main heat exchanger circulation circuit is not also passed through enough preheatings or precooling, still in the time of can not realizing regulating cell bag temperature function, if the electric energy of solar cell is not enough to the pump of described control unit, refrigeration unit, heating unit and driving coolant flow is powered, described control unit control is powered to the pump of described control unit, refrigeration unit, heating unit and driving coolant flow by described power brick.
In the utility model; the power of refrigeration unit and heating unit is all smaller; mainly be to realize under the stopped status; be that automobile is not when starting; and at the automobile starting initial operating stage; cooling fluid in the main heat exchanger circulation circuit is not also passed through enough preheatings or precooling, the heat insulation function of battery under the situation in the time of still can not realizing regulating cell bag temperature function.And the power ratio of main heat exchanger is bigger, mainly is battery cooling and heating function when realizing that automobile normally moves.
Battery unit in the power brick all keeps certain distance to each other, not directly contact between its shell, battery unit immerses in the cooling fluid, so not only can make battery unit and cooling fluid that bigger thermocontact area is arranged, guarantee battery unit and cooling fluid heat-shift apace, the temperature of all battery units is consistent, thereby improves the performance and the useful life of battery; Thereby and take place to avoid when overheated the heat of its generation to be directly delivered to other battery units at some battery units to cause chain reaction, make overheated this battery unit that is confined to, improved the coefficient of safety of power brick greatly.
Battery unit is placed in the power brick, has been full of cooling fluid in the space of battery unit and power brick and has arranged one or more temperature sensors so that measure battery temperature, and the power brick good seal prevents that the cooling fluid leakage from causing potential safety hazard.Stay a cooling fluid inlet and cooling liquid outlet on the power brick, so that realize circulating of cooling fluid.Power brick covers one deck jacket outward, and this jacket can reduce battery and extraneous exchange heat, realizes the battery heat insulation function, makes battery need less energy just can maintain suitable temperature at extreme low temperature or following of high-temperature condition.
In the vehicle ' process, battery generally all can produce a large amount of heats, and at this time electronic control unit judges whether to start systemic circulation according to conditions such as the temperature of ambient temperature and battery, coolant temperatures.
After vehicle quits work, control unit still works on, can judge whether to start partial circulating according to conditions such as ambient temperature and battery temperatures on the one hand, when ambient temperature is too high, start refrigeration unit, ambient temperature is crossed and is started heating unit when hanging down, electrokinetic cell just can remain under the good situation for a long time like this, and when vehicle need start once more, the driver just can start vehicle rapidly and need not to wait for that battery slowly returns to suitable working temperature; Under the situation of solar cell power generation, can charge on the other hand to electrokinetic cell.
Solar cell can be installed on the vehicle front windshield, back air regulator, roof or other are easy to install, layout and maintaining or be easy to accept the position of sunlight, it just can generate electricity under well-lighted situation, after direct current transducer improves voltage to the electrokinetic cell electric energy supplement, the SOC that the power consumption of avoiding vehicle to park the back electrokinetic cell for a long time too much causes battery can not remain on normal working temperature and battery declines to a great extent, cause the vehicle cisco unity malfunction, solar cell generates electricity in the vehicle ' process simultaneously, so it also can improve the continual mileage of vehicle, reduce the consumption of energy.
When refrigeration unit and heating unit work, when the solar cell electricity can satisfy the needs of refrigeration unit or heating unit, refrigeration unit and heating unit just consumed the electric energy that solar cell produces; As deficiency, just the electric energy of refrigeration unit and the savings of heating unit consumption of power battery.
In sum, the utility model can make battery be in all the time in the proper temperature environment, thereby has prolonged the useful life of battery system, has guaranteed the safety of battery system, has reduced the use cost of battery system.
Claims (7)
1. an automobile battery thermal management system is characterized in that, comprising:
Power brick, be provided with the battery unit of mutual electrical connection in the described power brick, described battery unit is made up of one or a plurality of battery cells of mutually being electrically connected, described power brick sealed package, each battery unit most of or the space that is filled with cooling fluid all surround, and all spaces that are filled with cooling fluid all are interconnected, and are provided with temperature sensor in the described space that is filled with cooling fluid, and described power brick is provided with the entrance and exit of cooling fluid;
Thereby being connected respectively to, the entrance and exit of described cooling fluid forms two circulations in two pipelines, be respectively systemic circulation and partial circulating, described systemic circulation is the entrance and exit of described power brick cooling fluid and the circulation line that main heat exchanger is formed, described partial circulating is the circulation line that the heating unit that is connected in series in the entrance and exit of described power brick cooling fluid and the pipeline and refrigeration unit are formed, the position of described systemic circulation and the handing-over of partial circulating pipeline is provided with valve, and described systemic circulation pipeline and partial circulating pipeline are provided with the pump that drives coolant flow;
Also comprise a control unit, described control unit is gathered the signal of described temperature sensor, and controls the operating state of described refrigeration unit and heating unit, and controls described valve to select systemic circulation pipeline or partial circulating pipeline.
2. automobile battery thermal management system according to claim 1 is characterized in that, described power brick skin also is provided with jacket.
3. automobile battery thermal management system according to claim 1 is characterized in that, also is provided with solar cell in the described automobile battery thermal management system.
4. automobile battery thermal management system according to claim 1 is characterized in that, the temperature sensor in the described power brick is one or more, and is evenly distributed in the described power brick.
5. automobile battery thermal management system according to claim 1 is characterized in that, described heating unit is an electric heating unit.
6. automobile battery thermal management system according to claim 1 is characterized in that, described refrigeration unit is for adopting the refrigeration unit of compressor.
7. automobile battery thermal management system according to claim 1 is characterized in that, described refrigeration unit is for adopting the refrigeration unit of semiconductor cooling device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920071788XU CN201528026U (en) | 2009-05-07 | 2009-05-07 | Vehicle battery heat management system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920071788XU CN201528026U (en) | 2009-05-07 | 2009-05-07 | Vehicle battery heat management system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201528026U true CN201528026U (en) | 2010-07-14 |
Family
ID=42519308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920071788XU Expired - Lifetime CN201528026U (en) | 2009-05-07 | 2009-05-07 | Vehicle battery heat management system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201528026U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013046230A1 (en) * | 2011-10-01 | 2013-04-04 | Mahindra Reva Electric Vehicles Pvt. Ltd. | A power pack system and a ventilation system provided therein |
| CN103943909A (en) * | 2013-01-17 | 2014-07-23 | 微宏动力系统（湖州）有限公司 | Battery pack system |
| WO2015028964A1 (en) * | 2013-08-29 | 2015-03-05 | Andries Petrus Cronje Fourie | Battery temperature regulating system and method |
| US9818995B2 (en) | 2014-07-07 | 2017-11-14 | Microvast Power Systems Co., Ltd. | Battery pack system |
-
2009
- 2009-05-07 CN CN200920071788XU patent/CN201528026U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013046230A1 (en) * | 2011-10-01 | 2013-04-04 | Mahindra Reva Electric Vehicles Pvt. Ltd. | A power pack system and a ventilation system provided therein |
| US9478832B2 (en) | 2011-10-01 | 2016-10-25 | Mahindra Reva Electric Vehicles Pvt. Ltd. | Power pack system and a ventilation system provided therein |
| CN103943909A (en) * | 2013-01-17 | 2014-07-23 | 微宏动力系统（湖州）有限公司 | Battery pack system |
| CN103943909B (en) * | 2013-01-17 | 2017-02-22 | 微宏动力系统（湖州）有限公司 | battery pack system |
| WO2015028964A1 (en) * | 2013-08-29 | 2015-03-05 | Andries Petrus Cronje Fourie | Battery temperature regulating system and method |
| US9818995B2 (en) | 2014-07-07 | 2017-11-14 | Microvast Power Systems Co., Ltd. | Battery pack system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101577355B (en) | Automobile battery thermal management system and working method thereof | |
| CN101577353A (en) | Automobile battery thermal management system and working method thereof | |
| CN101577356A (en) | Automobile battery thermal management system and working method thereof | |
| CN101577354B (en) | Automobile battery thermal management system and working method thereof | |
| CN100452530C (en) | Temperature control system and method for power battery pack of electric vehicle | |
| CN202839901U (en) | Thermal management system of power battery | |
| CN103213473B (en) | The dual-purpose heating system of water power of a kind of hybrid electric vehicle and control method | |
| CN102050007A (en) | Control system for heat management of electric vehicle | |
| CN102324590A (en) | Temperature controlling system and method used during lithium ion power battery pack charging or discharging procedure | |
| CN101000972A (en) | Thermal control device for battery of mixed power vehicle | |
| CN103407346A (en) | Thermal management system of whole pure electric vehicle | |
| CN103715473A (en) | Thermal management system of power battery | |
| CN201408825Y (en) | Automotive battery heat managing system | |
| CN108470964A (en) | A kind of new-energy automobile power battery heat management device and its management method | |
| CN108281735A (en) | A kind of batteries of electric automobile heat-insulation system and its method | |
| CN201914055U (en) | Solar-type refrigerator car | |
| CN109004293B (en) | Size cycle control method for thermal management module of power battery liquid cooling system | |
| CN102969743B (en) | Charging pile device for electric vehicle | |
| CN113451674B (en) | Engineering vehicle battery heat management system and method | |
| CN113954601B (en) | Heat management system of new energy electric automobile | |
| CN201528026U (en) | Vehicle battery heat management system | |
| CN214378617U (en) | Power battery rapid heating system | |
| CN102340044A (en) | Battery thermal management system and method | |
| CN201408823Y (en) | Automotive battery heat managing system | |
| CN101554870A (en) | Energy-saving and emission-reduction technology of vehicles |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100714 Effective date of abandoning: 20090507 |