CN105070975B - A kind of heat dissipating method of electrokinetic cell bag - Google Patents
A kind of heat dissipating method of electrokinetic cell bag Download PDFInfo
- Publication number
- CN105070975B CN105070975B CN201510549542.9A CN201510549542A CN105070975B CN 105070975 B CN105070975 B CN 105070975B CN 201510549542 A CN201510549542 A CN 201510549542A CN 105070975 B CN105070975 B CN 105070975B
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- Prior art keywords
- battery modules
- temperature
- control unit
- battery
- radiator fan
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Classifications
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- 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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/482—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for several batteries or cells simultaneously or sequentially
-
- 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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
-
- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a kind of heat dissipating method of electrokinetic cell bag, the battery bag includes the battery modules (1) and main control unit BMS (3) of multiple interconnections, it is characterized in that, a radiator fan (2) is equipped with described battery modules (1), simultaneously, each battery modules (1) are also correspondingly provided with temperature controller, and the temperature controller includes：Battery modules control unit BMU (4), PMW fan governors (5) and temperature sensor (6)；The temperature signal of the battery modules (1) of battery modules control unit BMU (4) collecting temperature sensor (6) detection, and control radiator fan (2) to work by PMW fan governors (5) according to the temperature signal, and then control the temperature of battery modules (1).The method that the temperature difference and energy self carry out temperature protection between battery modules in battery bag can be controlled.Solve due to battery bag temperature field, flow field is uneven and the temperature difference between the battery modules that cause, so that the problem of influenceing the life-span of battery.
Description
Technical field
This patent is related to electronic technology field, more particularly, to the heat abstractor and method of a kind of electrokinetic cell bag.
Background technology
Promotion with society to Green Travel and environmental protection concept, electric power is widely used as clean energy resource, wherein
Especially with electric automobile apply it is most, the field of other electrical thermal storages can be also applied to certainly.Although its electrokinetic cell bag
By multiple battery modules in parallel or it is in series, but its radiating is typically whole battery bag is radiated using single fan,
Especially for the irregular battery bag of face shaping, battery bag internal heat dissipation structures are complicated, and each battery modules dissipates
Hot path is different in size to be caused.Uneven due to radiating, the temperature difference is larger between causing battery modules, and the life-span and safety for influenceing battery ask
Topic.In addition, as battery modules control unit BMU and main control unit BMS (BATTERY MANAGEMENT SYSTEM, also referred to as electricity
Pond management system) communicating interrupt when, main control unit BMS can not receive the temperature information of each battery modules, it is impossible to make and sentencing
It is disconnected, it is impossible to which that radiator fan is controlled.In this way it is easy to cause battery radiating uneven, the battery temperature difference is caused to increase, influence
Battery life.
The content of the invention
It is an object of the invention to provide a kind of heat abstractor of electrokinetic cell bag and method, battery in battery bag can be controlled
The temperature difference and the method that self can carry out temperature protection between module.Solve due to battery bag temperature field, flow field is uneven and causes
Battery modules between the temperature difference, so as to influence the life-span of battery.
The purpose of the present invention is achieved through the following technical solutions：
A kind of heat abstractor of electrokinetic cell bag, the battery bag includes battery modules 1 and the master control of multiple interconnections
A radiator fan 2 is equipped with unit B MS3 processed, described battery modules 1, meanwhile, each battery modules 1 are also correspondingly provided with
Temperature controller, the temperature controller includes：
Battery modules control unit BMU4, PMW fan governor 5 and temperature sensor 6；
Battery modules control unit BMU4 is electrically connected with PMW fan governors 5 and temperature sensor 6 respectively, PMW fan controls
Device 5 processed is electrically connected with radiator fan 2；
The temperature signal for the battery modules 1 that battery modules control unit BMU4 collecting temperatures sensor 6 is detected, and according to this
Temperature signal controls radiator fan 2 to work by PMW fan governors 5, and then controls the temperature of battery modules 1.
Described main control unit BMS3 is electrically connected with multiple battery modules control unit BMU4, and controls multiple battery moulds
The temperature of group 1.
Described battery modules 1 include multiple battery cells 7.
Described temperature sensor 6 includes NTC temperature sensors, K-type temperature sensor.
A kind of heat dissipating method of electrokinetic cell bag, based on above-mentioned device, methods described includes：
When battery modules control unit BMU4 and main control unit BMS3 communication is normal, battery modules control unit
BMU4 gathers the temperature of battery modules 1, sends main control unit BMS3 to, main control unit BMS3 assigns radiating instruction, to dissipating
Hot-air fan 2 is controlled；
When battery modules control unit BMU4 and main control unit BMS3 communicating interrupt, battery modules control unit
The temperature that BMU4 direct basis gathers battery modules 1 is controlled to the radiator fan 2 of single battery module 1, so as to control
The temperature of multiple battery modules 1.
The heat dissipating method of described electrokinetic cell bag, in addition to：
When battery modules control unit BMU4 and main control unit BMS3 communicating interrupt, battery modules control unit
BMU4 is compared, respectively to the battery modules 1 according to temperature-controlled conditions set in advance with the temperature information of battery modules 1 collected
Corresponding radiator fan 2 is controlled.
The heat dissipating method of described electrokinetic cell bag, in addition to：
When the temperature of part battery modules 1 in multiple battery modules 1 is higher, the battery modules of the part battery modules 1
Control unit BMU4 carries out speed regulating control to the corresponding radiator fan of part battery modules 12, so as to control the part battery modules
1 temperature.
As seen from the above technical solution provided by the invention, the radiating of electrokinetic cell bag provided in an embodiment of the present invention
Apparatus and method, can control the method that the temperature difference and energy self carry out temperature protection between battery modules in battery bag.Solve by
In battery bag temperature field, flow field is uneven and the temperature difference between the battery modules that cause, so that the problem of influenceing the life-span of battery.
Meanwhile, each battery modules 1 or manage independently, communicated even if being interrupted with main control unit BMS3, still self can carry out temperature protection.
The temperature difference in the different regions of battery modules 1 can effectively be maintained within the scope of controllable.Battery modules control unit BMU4
Preset value can be set, can also be given an order carry out group control by BMS, convenient management.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, being used required in being described below to embodiment
Accompanying drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for this
For the those of ordinary skill in field, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the heat abstractor of electrokinetic cell bag provided in an embodiment of the present invention and the structural representation one of method；
Fig. 2 is the heat abstractor of electrokinetic cell bag provided in an embodiment of the present invention and the structural representation two of method.
Embodiment
With reference to the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Ground is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based on this
The embodiment of invention, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to protection scope of the present invention.
The embodiment of the present invention is described in further detail below in conjunction with accompanying drawing.
Embodiment one
As shown in Figures 1 and 2, a kind of heat abstractor of electrokinetic cell bag, the battery bag includes multiple interconnections
There are 8 in battery modules 1 (in figure 1a, 1b, to 1h) and main control unit BMS3, the figure of battery modules 1, in example as needed,
It is unlimited, i.e. main control unit battery management system is known technology, and one is equipped with described battery modules 1
There are 8 in radiator fan 2 (in figure 2a, 2b, to 2h), figure, it is identical with the quantity of battery modules 1 as needed in example.It can apply
In the battery bag of irregular shape.The design for the battery modules 1 that can be standardized simultaneously, is easy to the battery bag of different capabilities
Configured in groups, the parts of battery modules 1 need not be re-molded；It can reduce and design and develop and manufacturing cost.
Meanwhile, each battery modules 1 are also correspondingly provided with temperature controller, and the temperature controller includes：
Battery modules control unit BMU4, PMW fan governor 5 and temperature sensor 6；PMW is the abbreviation of chopper speed control,
PMW fan governors 5 are the control technologies of current main flow, belong to known control technology, what the present invention was protected is to employ PMW
Fan governor 5 is independently controlled, and does not protect the implementation of specific control technology, and fan governor 5 passes through pulse
The mode of speed governing controls the rotating speed of radiator fan 2.BMU is the abbreviation of battery modules control unit, is also known control technology.
BMU4 is in addition to acquisition function battery modules control unit, also with calculating analytic function, can be according to receiving
The temperature information of battery modules 1, is controlled to the radiator fan 2 of battery modules.
Battery modules control unit BMU4 is electrically connected with PMW fan governors 5 and temperature sensor 6 respectively, PMW fan controls
Device 5 processed is electrically connected with radiator fan 2；
The temperature signal for the battery modules 1 that battery modules control unit BMU4 collecting temperatures sensor 6 is detected, and according to this
Temperature signal controls radiator fan 2 to work by PMW fan governors 5, and battery modules 1 are dried along wind direction, and then controls
The temperature of battery modules 1 processed.
Meanwhile, in this example, described main control unit BMS3 is electrically connected with multiple battery modules control unit BMU4, and is controlled
Make the temperature of multiple battery modules 1.
In addition, described battery modules 1 include multiple battery cells 7.Multiple battery cells 7 can connect in parallel or series
Connect.
Further, described temperature sensor 6 includes NTC temperature sensors, K-type temperature sensor.
NTC temperature sensors, NTC (Nike Training Club thermistors), a kind of thermistor, probe (gold
Belong to shell or plastic casing etc., extension lead and metal terminal or the temperature sensor for connecting end-apparatus composition.Using NTC thermistor one
Under fixed measurement power, resistance value declines rapidly this characteristic as temperature rises, can be by NTC thermistor by measuring it
Resistance value determines corresponding temperature, so as to reach the purpose of detection and control temperature.
K-type temperature sensor, English name：K type thermocouple thermometer, also referred to as electric thermo-couple temperature
Meter, is the temperature instrumentation based on pyroelectric effect.Its measurement range is wide, and simple in construction, easy to use, thermometric accurately may be used
Lean on, be easy to teletransmission, automatic record and the centralized Control of signal, thus using extremely widespread in industrial production and scientific research field.
Embodiment two
A kind of heat dissipating method of electrokinetic cell bag, based on the device of embodiment one, methods described includes：
When battery modules control unit BMU4 and main control unit BMS3 communication is normal, battery modules control unit
BMU4 gathers the temperature of battery modules 1, sends main control unit BMS3 to, main control unit BMS3 assigns radiating instruction, to dissipating
Hot-air fan 2 is controlled；The open and close of radiator fan 2 are controlled, and control its rotating speed.
When battery modules control unit BMU4 and main control unit BMS3 communicating interrupt, battery modules control unit
The temperature that BMU4 direct basis gathers battery modules 1 is controlled to the radiator fan 2 of single battery module 1, control radiating
The open and close of fan 2, and its rotating speed is controlled, so as to control the temperature of multiple battery modules 1.Each battery modules 1 are only
Standpipe is managed, and is communicated even if being interrupted with main control unit BMS3, still self can carry out temperature protection.
Meanwhile, when battery modules control unit BMU4 and main control unit BMS3 communicating interrupt, battery modules control
Unit B MU4 specific control mode includes, according to temperature-controlled conditions set in advance, with the temperature of battery modules 1 letter collected
Breath compares, and the corresponding radiator fan 2 of the battery modules 1 is controlled respectively.This temperature-controlled conditions temperature control set in advance
Mode processed is also technology known to temperature control field, and inventive point of the invention is respectively to the corresponding radiation air of battery modules 1
Fan 2 is controlled.Such as when the temperature of part battery modules 1 in multiple battery modules 1 is higher, the electricity of the part battery modules 1
Pond module control unit BMU4 carries out speed regulating control to the corresponding radiator fan of part battery modules 12, so as to control part electricity
The temperature of pond module 1.The temperature difference in the different regions of battery modules 1 can effectively be maintained within the scope of controllable.Battery mould
Group control unit BMU4 can set preset value, and can also be given an order carry out group control by BMS, convenient management.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, the change or replacement that can be readily occurred in,
It should all be included within the scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claims
Enclose and be defined.
Claims (6)
1. a kind of heat dissipating method of electrokinetic cell bag, the battery bag includes battery modules (1) and the master control of multiple interconnections
A radiator fan (2) is equipped with unit B MS (3) processed, described battery modules (1), meanwhile, each battery modules (1) are also
Temperature controller is correspondingly provided with, the temperature controller includes：
Battery modules control unit BMU (4), PMW fan governors (5) and temperature sensor (6)；
Battery modules control unit BMU (4) is electrically connected with PMW fan governors (5) and temperature sensor (6) respectively, PMW fans
Controller (5) is electrically connected with radiator fan (2)；
The temperature signal of the battery modules (1) of battery modules control unit BMU (4) collecting temperature sensor (6) detection, and foundation
The temperature signal controls radiator fan (2) to work by PMW fan governors (5), and then controls the temperature of battery modules (1)；
Characterized in that, methods described includes：
When battery modules control unit BMU (4) and main control unit BMS (3) communication is normal, battery modules control unit
The temperature of BMU (4) collection battery modules (1), sends main control unit BMS (3) to, main control unit BMS (3) assigns radiating and referred to
Order, is controlled to radiator fan (2)；
When battery modules control unit BMU (4) and main control unit BMS (3) communicating interrupt, battery modules control unit
The temperature that BMU (4) direct basis gathers battery modules (1) is controlled to the radiator fan (2) of single battery module (1),
So as to control the temperature of multiple battery modules (1).
2. the heat dissipating method of electrokinetic cell bag according to claim 1, it is characterised in that：
When battery modules control unit BMU (4) and main control unit BMS (3) communicating interrupt, battery modules control unit
BMU (4) is compared, respectively to the battery mould according to temperature-controlled conditions set in advance with battery modules (1) temperature information collected
The corresponding radiator fan (2) of group (1) is controlled.
3. the heat dissipating method of electrokinetic cell bag according to claim 1, it is characterised in that：When in multiple battery modules (1)
Part battery modules (1) temperature it is higher when, the battery modules control unit BMU (4) of the part battery modules (1) is to part electricity
The corresponding radiator fan (2) of pond module (1) carries out speed regulating control, so as to control the temperature of the part battery modules (1).
4. the heat dissipating method of electrokinetic cell bag according to claim 1, it is characterised in that described main control unit BMS
(3) electrically connected with multiple battery modules control unit BMU (4), and control the temperature of multiple battery modules (1).
5. the heat dissipating method of the electrokinetic cell bag according to claim 1 or 4, it is characterised in that described battery modules (1)
Including multiple battery cells (7).
6. the heat dissipating method of the electrokinetic cell bag according to claim 1 or 4, it is characterised in that described temperature sensor
(6) NTC temperature sensors, K-type temperature sensor are included.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510549542.9A CN105070975B (en) | 2015-08-31 | 2015-08-31 | A kind of heat dissipating method of electrokinetic cell bag |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510549542.9A CN105070975B (en) | 2015-08-31 | 2015-08-31 | A kind of heat dissipating method of electrokinetic cell bag |
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| CN105070975A CN105070975A (en) | 2015-11-18 |
| CN105070975B true CN105070975B (en) | 2017-09-29 |
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Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10439415B2 (en) | 2016-06-08 | 2019-10-08 | Nanjing Chervon Industry Co., Ltd. | Power station |
| CN108123187A (en) * | 2016-11-29 | 2018-06-05 | 北京科易动力科技有限公司 | A kind of distributed cooling system |
| CN106532192B (en) * | 2017-01-17 | 2024-05-07 | 华霆（合肥）动力技术有限公司 | Distributed thermal management system and battery |
| DE102017218562A1 (en) | 2017-10-18 | 2019-04-18 | Bayerische Motoren Werke Aktiengesellschaft | Electric energy storage and method for identifying a memory module type of an electrical energy storage |
| CN109921499A (en) * | 2017-12-08 | 2019-06-21 | 南京德朔实业有限公司 | Power supply device and speed regulating method for fan in power supply device |
| CN109904903A (en) * | 2017-12-08 | 2019-06-18 | 南京德朔实业有限公司 | Power supply device and charging method |
| WO2019109951A1 (en) | 2017-12-08 | 2019-06-13 | 南京德朔实业有限公司 | Portable electric energy system, and measurement method for remaining electric quantity of battery pack |
| WO2019109950A1 (en) | 2017-12-08 | 2019-06-13 | 南京德朔实业有限公司 | Boosting circuit, power supply device and portable electric energy system |
| CN109088129B (en) * | 2018-08-28 | 2024-02-13 | 华霆（合肥）动力技术有限公司 | Heat abstractor and battery module |
| CN111640905A (en) * | 2020-05-26 | 2020-09-08 | 北京海博思创科技有限公司 | Battery cluster |
| CN112542635B (en) * | 2020-11-04 | 2022-05-13 | 深圳市科陆电子科技股份有限公司 | Fan starting and stopping temperature equalizing method, device, equipment and storage medium |
| CN112524073B (en) * | 2020-11-04 | 2023-03-28 | 深圳市科陆电子科技股份有限公司 | Fan speed regulation control method, device, equipment and storage medium |
| CN113725520B (en) * | 2021-11-03 | 2022-01-28 | 山西道威中泉储能技术有限公司 | Battery temperature control system of energy storage power station |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP5015649B2 (en) * | 2007-04-13 | 2012-08-29 | 本田技研工業株式会社 | Battery and electrical equipment cooling structure |
| JP4918611B1 (en) * | 2010-11-09 | 2012-04-18 | 三菱重工業株式会社 | Battery system |
| CN103746153A (en) * | 2013-12-04 | 2014-04-23 | 上海理工大学 | Ultra-high capacity energy storage lithium ion battery pack heat dissipation apparatus |
| CN204857902U (en) * | 2015-08-31 | 2015-12-09 | 北京闪信鼎中技术有限公司 | Heat radiator for power battery package |
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