CN109755688A - A kind of battery preheating device - Google Patents
A kind of battery preheating device Download PDFInfo
- Publication number
- CN109755688A CN109755688A CN201810944818.7A CN201810944818A CN109755688A CN 109755688 A CN109755688 A CN 109755688A CN 201810944818 A CN201810944818 A CN 201810944818A CN 109755688 A CN109755688 A CN 109755688A
- Authority
- CN
- China
- Prior art keywords
- battery
- inductance
- energy
- switch
- shifting circuit
- 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.)
- Granted
Links
- 230000005611 electricity Effects 0.000 claims description 8
- 230000004907 flux Effects 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 abstract description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 5
- 229910052744 lithium Inorganic materials 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000007784 solid electrolyte Substances 0.000 description 1
Classifications
-
- 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
- H01M10/44—Methods for charging or discharging
- H01M10/441—Methods for charging or discharging 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
- H01M10/44—Methods for charging or discharging
- H01M10/443—Methods for charging or discharging in response to temperature
-
- 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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
- H01M10/633—Control systems characterised by algorithms, flow charts, software details or the like
-
- 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
Abstract
The present invention relates to a kind of low-temperature pre-heating device of battery, the preheating device includes shifting circuit in multiple energy, wherein shifting circuit and each battery are in parallel one by one in each energy, and connect between shifting circuit two-by-two in the energy and exchanges energy.Low-temperature pre-heating device of the invention can at low ambient temperatures preheat battery, high-efficient, and circuit structure is simple.
Description
Technical field
The present invention relates to battery technology field, in particular to a kind of low-temperature pre-heating device of battery.
Background technique
In numerous Prospect of EVS Powered with Batteries types, lithium battery due to monomer voltage is high, have extended cycle life the advantages that
It enjoys great popularity.But the operating temperature range that lithium battery generally allows is -20 DEG C~60 DEG C, and its service performance is by temperature shadow
Sound is larger, in particular, the charging capacity and service life of lithium battery can all be greatly lowered under cryogenic conditions.It is generally believed that lithium
The reduction of ion battery service performance under cryogenic is the diffusion due to solid electrolyte interface film lithium ion in the electrodes
And caused by surface charge transfer impedance etc..Therefore, it under cryogenic conditions, needs to heat lithium battery, after reaching suitable temperature
It recharges.
Summary of the invention
The present invention provides a kind of low-temperature pre-heating device of battery, realizes low temperature environment to solve the problems, such as the prior art
Under battery is preheated.
The present invention provide in a kind of battery preheating device, including the first battery and the second battery, the first energy shifting circuit and
Shifting circuit in second energy, shifting circuit is in parallel with first battery in first energy, shifting circuit in second energy
It is in parallel with second battery, in first energy shifting circuit include the first inductance and first switch, first inductance and
First switch series connection, shifting circuit includes the second inductance and second switch in second energy, second inductance and the
Two switch series connection, first inductance and second inductance realize flux coupled by sharing the first magnetic core.
In a preferential embodiment of the invention, the battery preheating device includes multiple batteries and multiple energy transfers electricity
Road, shifting circuit is in parallel with the battery respectively in the energy, and the inductance of shifting circuit is by sharing in the two neighboring energy
One magnetic core makes shifting circuit in the energy realize flux coupled between any two.
In a preferential embodiment of the invention, first battery is connected with second battery.
In an of the invention preferential embodiment, first battery be second battery charging charging duration with it is described
Second battery is that the charging duration of first battery charging is equal.
In a preferential embodiment of the invention, when the first switch is closed, if the voltage of first battery is higher than institute
The voltage of the first inductance is stated, first battery provides electric energy for first inductance, if the voltage of first battery is lower than
The voltage of first inductance, first inductance are first battery charging.
When the second switch is closed, if the voltage of second battery is higher than the voltage of second inductance, described the
Two batteries provide electric energy for first inductance, described if the voltage of second battery is lower than the voltage of second inductance
Second inductance is second battery charging.
In a preferential embodiment of the invention, the first switch and second switch complementation conducting.
Compared to the prior art, battery preheating device structure of the invention is simple, and circuit loss is small, and battery pre-heating mean is easy
In Project Realization.
Detailed description of the invention
Fig. 1 is the first embodiment circuit block diagram of battery preheating device of the invention.
Fig. 2 is the second embodiment circuit block diagram of battery preheating device of the invention.
Fig. 3 is the 3rd embodiment circuit block diagram of battery preheating device of the invention.
Specific embodiment
The technical solution in embodiment of the present invention will be clearly and completely described below, it is clear that described reality
The mode of applying is only some embodiments of the invention, rather than whole embodiments.Based on the embodiment in the present invention,
Every other embodiment obtained by those of ordinary skill in the art without making creative efforts belongs to this
Invent the range of protection.
As shown in Figure 1, battery preheating device of the invention, including battery B1 and battery B2, shifting circuit 11 and energy in energy
Shifting circuit 12 in amount, shifting circuit 11 is in parallel with the battery B1 in the energy, shifting circuit 12 and the battery in the energy
B2 is in parallel, and when the battery B1 is battery charging B2, shifting circuit 11 absorbs the electric energy of the battery B1 in the energy, and
It is battery B2 charging via shifting circuit 12 in the energy, when the battery B2 is that the battery B1 charges, the energy transfer
Circuit 12 absorbs the electric energy of the battery B2, and is battery charging B1 via shifting circuit 11 in the energy.The battery B1 and
The battery B2 is the battery in same battery pack, it is preferred that the battery B1 and battery B2 is neighbouring and is connected in series.
Shifting circuit 11 includes that inductance L1 and switch S1, the inductance L1 and the switch S1 connect in the energy, described
Shifting circuit 12 includes that inductance L2 and switch S2, the inductance L2 and switch S2 connect in energy, the inductance L1 and the inductance
L2 shares magnetic core T1, realizes flux coupled, and transmit electric energy between the battery B1 and the battery B2.
When the switch S1 is closed, if the voltage of the battery B1 is higher than the voltage of the inductance L1, the battery B1 is
The inductance L1 provides electric energy, if the voltage of the battery B1 is lower than the voltage of the inductance L1, the inductance L1 is the electricity
Pond B1 charging.
When the switch S2 is closed, if the voltage of the battery B2 is higher than the voltage of the inductance L2, the battery B2 is
The inductance L2 provides electric energy, if the voltage of the battery B2 is lower than the voltage of the inductance L2, the inductance L2 is the electricity
Pond B2 charging.
The inductance L1 is identical with the turn ratio of the inductance L2.
The switch S1 and switch S2 complementation conducting.
Fig. 2 is the second embodiment of the present invention, and the battery preheating device includes shifting circuit in n battery and n energy,
Shifting circuit 21-n is in parallel with the battery B1-n respectively in the energy, and the inductance of shifting circuit passes through in the two neighboring energy
A magnetic core is shared, shifting circuit in the energy is made to realize flux coupled between any two.Shifting circuit includes inductance Ln in the energy
It connects with switch Sn, the inductance Ln and the switch Sn, shifting circuit includes inductance Ln-1 and switch Sn-1, institute in the energy
Inductance Ln-1 and switch Sn-1 series connection is stated, the inductance Ln-1 and the inductance Ln share magnetic core T n-1, realize magnetic circuit coupling
It closes, and transmits electric energy between the battery Bn and the battery Bn-1.Wherein n is the natural number greater than 1.
It refer again to Fig. 3, the 3rd embodiment of battery preheating device of the invention, unlike embodiment illustrated in fig. 1,
In the embodiment, the switch S1 and the switch S2 are connected to the intermediate series connection point of the battery B1 and the battery B2, electricity
Hold C parallel connection and switch S1 and the two sides the switch S2.The capacitor C plays buffer action, prevents the battery B1 and the electricity
Pond B2 is short-circuited.Meanwhile capacitor C plays lossless clamped effect, with guarantee the stress of the switch S1 and the switch S2 by
Control.
The switch S1 and switch S2 is controllable switch, such as IGBT, MOSFET, relay etc..
The beneficial effect of battery preheating device and method of the invention is:
It is lost small, preheating speed is fast, and circuit structure is simple.Control energy is released from the high battery of voltage toward the low battery of voltage
It puts.
The above description of the embodiment is only used to help understand the method for the present invention and its core ideas.It should be pointed out that pair
For those skilled in the art, without departing from the principle of the present invention, the present invention can also be carried out
Some improvements and modifications, these improvements and modifications also fall within the scope of protection of the claims of the present invention.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (7)
1. shifting circuit and the second energy transfer in a kind of battery preheating device, including the first battery and the second battery, the first energy
Circuit, shifting circuit is in parallel with first battery in first energy, shifting circuit and second electricity in second energy
Pond is in parallel, which is characterized in that shifting circuit includes the first inductance and first switch, first inductance and institute in first energy
First switch series connection is stated, shifting circuit includes the second inductance and second switch, second inductance and second in second energy
Switch series connection, first inductance and second inductance realize flux coupled by sharing the first magnetic core.
2. a kind of battery preheating device as described in claim 1, which is characterized in that the battery preheating device includes multiple batteries
With shifting circuit in multiple energy, shifting circuit is in parallel with the battery respectively in the energy, the two neighboring energy transfer electricity
The inductance on road makes shifting circuit in the energy realize flux coupled between any two by sharing a magnetic core.
3. a kind of battery preheating device as described in claim 1, which is characterized in that first battery and second battery strings
Connection.
4. a kind of battery preheating device as described in claim 1, which is characterized in that first battery is that second battery fills
The charging duration of electricity is equal with the charging duration that second battery is first battery charging.
5. a kind of battery preheating device as described in claim 1, which is characterized in that when the first switch is closed, if described the
The voltage of one battery is higher than the voltage of first inductance, and first battery provides electric energy for first inductance, if described
The voltage of first battery is lower than the voltage of first inductance, and first inductance is first battery charging.
6. a kind of battery preheating device as claimed in claim 5, which is characterized in that when the second switch is closed, if described the
The voltage of two batteries is higher than the voltage of second inductance, and second battery provides electric energy for first inductance, if described
The voltage of second battery is lower than the voltage of second inductance, and second inductance is second battery charging.
7. a kind of battery preheating device as claimed in claim 6, which is characterized in that the first switch and the second switch are mutual
Mend conducting.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2018101509619 | 2018-02-13 | ||
| CN201810150961 | 2018-02-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109755688A true CN109755688A (en) | 2019-05-14 |
| CN109755688B CN109755688B (en) | 2024-02-27 |
Family
ID=64008279
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810470505.2A Pending CN108767345A (en) | 2018-02-13 | 2018-05-17 | A kind of battery preheating device and method |
| CN201810944818.7A Active CN109755688B (en) | 2018-02-13 | 2018-08-19 | Battery preheating device |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810470505.2A Pending CN108767345A (en) | 2018-02-13 | 2018-05-17 | A kind of battery preheating device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN108767345A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022247754A1 (en) * | 2021-05-27 | 2022-12-01 | 华为数字能源技术有限公司 | Battery control circuit, battery and related electronic device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113809765B (en) * | 2021-09-16 | 2022-10-28 | 远景能源有限公司 | Energy storage system and self-heating method |
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| US20060022646A1 (en) * | 2004-07-28 | 2006-02-02 | Moore Stephen W | Method for battery cold-temperature warm-up mechanism using cell equilization hardware |
| JP2007166779A (en) * | 2005-12-13 | 2007-06-28 | Ntt Data Ex Techno Corp | Battery warm-up circuit and battery |
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| JP2015100175A (en) * | 2013-11-18 | 2015-05-28 | Fdk株式会社 | Balance correction device and power storage device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102074754B (en) * | 2010-12-23 | 2012-05-02 | 比亚迪股份有限公司 | Heating circuit for batteries |
| CN102088116B (en) * | 2010-07-30 | 2012-11-21 | 比亚迪股份有限公司 | Heating circuit of battery |
| JP2015092444A (en) * | 2013-10-04 | 2015-05-14 | Ｃｏｎｎｅｘｘ Ｓｙｓｔｅｍｓ株式会社 | Hybrid storage battery, hybrid power storing device, power generating and storing unit, and power network system using the same, and traveling body |
| CN205565759U (en) * | 2015-12-22 | 2016-09-07 | 北京科易动力科技有限公司 | Double cell economizer system and be equipped with vehicle of this system |
| CN106058972A (en) * | 2016-06-13 | 2016-10-26 | 北京奇虎科技有限公司 | Method and device for charging assembled battery |
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2018
- 2018-05-17 CN CN201810470505.2A patent/CN108767345A/en active Pending
- 2018-08-19 CN CN201810944818.7A patent/CN109755688B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060022646A1 (en) * | 2004-07-28 | 2006-02-02 | Moore Stephen W | Method for battery cold-temperature warm-up mechanism using cell equilization hardware |
| JP2007166779A (en) * | 2005-12-13 | 2007-06-28 | Ntt Data Ex Techno Corp | Battery warm-up circuit and battery |
| CN102522790A (en) * | 2011-12-05 | 2012-06-27 | 中电普瑞科技有限公司 | Equalization device for series battery packs |
| JP2015100175A (en) * | 2013-11-18 | 2015-05-28 | Fdk株式会社 | Balance correction device and power storage device |
| CN103560307A (en) * | 2013-11-26 | 2014-02-05 | 山东威能环保电源有限公司 | Oscillating type rapid battery pack heating circuit and method |
| CN203721848U (en) * | 2014-01-07 | 2014-07-16 | 同济大学 | Low-temperature self-heating circuit for power lithium ion battery module |
| CN206272286U (en) * | 2016-12-13 | 2017-06-20 | 东莞力朗电池科技有限公司 | Circuit of battery pack balancing |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022247754A1 (en) * | 2021-05-27 | 2022-12-01 | 华为数字能源技术有限公司 | Battery control circuit, battery and related electronic device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108767345A (en) | 2018-11-06 |
| CN109755688B (en) | 2024-02-27 |
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