CN103698580B - Cell voltage, temperature acquisition system - Google Patents
Cell voltage, temperature acquisition system Download PDFInfo
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- CN103698580B CN103698580B CN201310745374.1A CN201310745374A CN103698580B CN 103698580 B CN103698580 B CN 103698580B CN 201310745374 A CN201310745374 A CN 201310745374A CN 103698580 B CN103698580 B CN 103698580B
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- 230000005611 electricity Effects 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 238000005476 soldering Methods 0.000 claims description 4
- 241001124569 Lycaenidae Species 0.000 claims description 2
- 230000037237 body shape Effects 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000003466 welding Methods 0.000 description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
- 229910052744 lithium Inorganic materials 0.000 description 4
- 239000000523 sample Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
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Abstract
The present invention discloses a kind of cell voltage, temperature acquisition system, is related to electric automobile accessory technology, solves difficult wiring caused by gathering cell voltage, temperature in the prior art, cost height, and the problem of temperature acquisition accuracy difference.In the embodiment of the present invention, the cell voltage, temperature acquisition system, including multiple battery modules being connected, each battery modules include the battery core of multiple serial or parallel connections, in each battery modules, the positive and negative of each battery core is extremely respectively connected with collection post, and the collection post is connected with collection plate；The collection plate is provided with voltage temperature collection device；The harvester is connected with the collection post, and the harvester is also associated with master control borad.Present invention is mainly used in electric automobile.
Description
Technical field
The present invention relates to electric automobile accessory technology, more particularly to a kind of cell voltage, temperature acquisition system.
Background technology
With the development of social science and technology, electric automobile is saved with its high-environmental, light and handy convenient and cheap advantage is got over
More to get the favour of people, application is also more and more common.
Wherein, the power source of electric automobile is electric energy, therefore, generally selects the battery bag that lithium battery is formed as electronic vapour
The energy-storage units of car.Wherein, lithium battery has the characteristics that energy density height, small volume, power density are high, using lithium battery conduct
Energy-storage units have become current electric automobile main flow developing direction.In practical application, because lithium battery is for voltage and temperature
Degree is more sensitive, i.e., the minor variations of voltage and temperature can all be played battery performance and produced serious influence, in consideration of it, in order to
Give full play to battery actual performance, to improve electric automobile course continuation mileage, can using battery management system as shown in Figure 1 come
The running status of battery is monitored, that is, monitors the voltage and temperature of battery, so as to ensure that battery always works in efficient, stable work
Make state.
Specifically, as shown in figure 1, the battery management system includes multiple battery modules 11, wrapped in each battery modules 11
Include multiple series connection（Preferably connect, or in parallel）The battery core 12 of connection, and pass through conductive bar 13 between adjacent battery core 12
It is connected（It is also required to connect between multiple battery modules 11, serial or parallel connection, is not identified in Fig. 1）.In Fig. 1, also include
Collection plate 14, collection plate 14 are connected by voltage acquisition wire harness 15 with the positive and negative electrode of each battery core 12, so as to the energy of collection plate 14
Enough collect the positive and negative electrode magnitude of voltage of each battery core 12；Again by multiple（Limited）Temperature acquisition wire harness 16 and battery modules
11 local-connections（Temp probe 161）, so as to which collection plate 14 can collect the temperature of battery modules；Finally by collection plate 14 with
Master control borad 17 is connected by CAN 18, and then completes to control the voltage and temperature of battery core 12 by master control borad 17.This its
In, collection plate 14 is provided with voltage, temperature sensor, for gathering the voltage and temperature of battery core 12；Collection plate 14 and master control borad
Power line 19 is connected between 17.
However, in existing voltage acquisition mode, due to being required for for each battery core by voltage acquisition wire harness with adopting
Collect plate connection, therefore, it is necessary to be connected by substantial amounts of voltage acquisition wire harness every for the battery modules including multiple battery cores
The positive and negative electrode of individual battery core.Each battery modules include N number of battery core it can be seen from Fig. 1, then need N+1 bar voltage acquisition lines
Beam is completed to connect, and for battery modules of the electric automobile generally use more than 100 battery cores, then needs more than 101
Voltage acquisition wire harness.Excessive wire harness can not only increase the cost of battery modules, can also be to the layout of wire harness, installation and fixation
Etc. causing difficulty；Moreover, in the case of certain in battery modules space, excessive wire harness takes up space more, causes battery core
Arrangement space is reduced, i.e., the quantity of battery core reduces, and reduces the driveability of electric automobile；In addition, when electric automobile surprisingly by
During shock etc., these wire harness are easily being got lines crossed, be short-circuit, be on fire etc., serious threat is produced to the safety of electric automobile and passenger,
Cause the loss of life and property.
Meanwhile in existing temperature acquisition mode, as shown in figure 1, temperature acquisition wire harness only with battery modules local-connection,
The limited individual temperature value of regional area in battery modules is only detected, this kind of method can not truly reflect the temperature shape of each battery core
State, the temperature value in some region in reaction cell module that can only be local.For example, in Current Temperatures probe positions, temperature acquisition
Value is correct, but some adjacent battery core temperature alreadys exceed limiting value, and now the temp probe can not detect that this transfinites
Temperature value, cause measured temperature deviation to be present, in this case if being continuing with the battery modules, will result in its interior battery core
Monomer damage, produce major accident.Increase temperature sampling probe such as in prior art, then when can produce similar voltage acquisition
Produced problem, that is, increase a large amount of temperature acquisition wire harness, increase wiring difficulty, increase cost, and cause the security of product
Reduce.
The content of the invention
Embodiments of the invention provide a kind of cell voltage, temperature acquisition system, solve and gather battery in the prior art
Difficult wiring, cost are high caused by voltage, temperature, and the problem of temperature acquisition accuracy difference.
To reach above-mentioned purpose, embodiments of the invention adopt the following technical scheme that：
A kind of cell voltage, temperature acquisition system, including multiple battery modules being connected, each battery modules include more
The battery core of individual serial or parallel connection, each in the battery modules, each the positive and negative of the battery core is extremely respectively connected with collection post,
The collection post is connected with collection plate；The collection plate is provided with voltage temperature collection device；The harvester is adopted with described
Clustered column connects, and the harvester is also associated with master control borad.
Wherein, the collection plate is one, and positioned at the upper end side of the battery core.
Specifically, each the positive and negative of the battery core is extremely equipped with conductive strips；Pass through an institute between the adjacent battery core
Conductive band connection is stated, the collection post is located on the conductive strips.
Connected mode between conductive strips and battery core can be laser between the lug of the conductive strips and the battery core
Weldering, ultrasonic bond connection or bolt connection.
Wherein, the conductive strips include rectangular-shape lath, and the opposite end of the lath is provided with extension end face in the same direction；Institute
Two extension end faces for stating lath are attached to the cell polar ear surface respectively；The collection post is in vertical shape on the lath
State is set.
It is specifically as follows, the collection post is cuboid copper post, and welding connects between the collection post and the conductive strips
Connect or be integrally formed setting.
Collection post and the connected mode of collection plate can be, the collection post passes through the collection plate jointly, and with it is described
Collection plate soldering connection or clamping connection.
Preferably, the harvester includes the single-chip microcomputer that is located on the collection plate and is connected with the single-chip microcomputer
Voltage temperature sensor；The voltage temperature sensor closes on the collection post and set, and is connected with the collection post.
Generally, communicated between the single-chip microcomputer and the master control borad by controller local area network.
Another kind uses the implementation of collection plate, and the collection plate is multiple, and corresponds and set with the battery core；
The collection plate connection corresponding with itself of each positive and negative extreme collection post of the battery core；On each collection plate
The harvester is equipped with, multiple harvesters are connected with a master control borad.
In cell voltage provided in an embodiment of the present invention, temperature acquisition system, multiple strings are included in each battery modules
Connection or the battery core of parallel connection, and multiple battery modules also connect between each other, in each battery modules, each battery core it is positive and negative
Extreme side is respectively connected with collection post, then is connected with collection plate by gathering post, and collection plate is provided with voltage temperature collection device, should
Harvester was both connected with collection post, was also associated with master control borad.Thus analysis is understood, by each battery core in the present embodiment
Positive and negative electrode connection collection post, then the voltage temperature collection device by being connected on collection plate with collection post, can complete each electricity
The voltage of core and the collection of temperature, then the data transfer of collection is controlled into master control borad, it is simple in construction, rationally distributed,
Avoid using excessive collection wire harness, reduce cost；Moreover, harvester can gather each battery core in real time by gathering post
Temperature data, so as to more accurately monitor the state of temperature of each battery core, improve the performance and security of battery core；In addition, work as
When automobile hits, gather will not get lines crossed between post, the situation such as short-circuit, on fire, improve Product Safety.
Brief description of the drawings
Fig. 1 is battery management system structural representation in the prior art；
Fig. 2 is cell voltage provided in an embodiment of the present invention, the structural representation of temperature acquisition system；
Fig. 3 is partial enlargement front view in circular dashed line block diagram in Fig. 2；
Fig. 4 is Partial enlarged side view in circular dashed line block diagram in Fig. 2.
Embodiment
Cell voltage of the embodiment of the present invention, temperature acquisition system are described in detail below in conjunction with the accompanying drawings.
The embodiment of the present invention provides a kind of cell voltage, temperature acquisition system, as shown in Figures 2 to 4, including it is multiple connected
The battery modules 21 connect, each battery modules 21 include the battery core 22 of multiple serial or parallel connections, in each battery modules 21, each
Positive and negative extreme be respectively connected with of battery core 22 gathers post 31, and collection post 31 is connected with collection plate 23；Collection plate 23 is provided with voltage temperature
Spend harvester 24；Harvester 24 is connected with collection post 31, and harvester 24 is also associated with master control borad 25.
In cell voltage provided in an embodiment of the present invention, temperature acquisition system, multiple strings are included in each battery modules
Connection or the battery core of parallel connection, and multiple battery modules also connect between each other, in each battery modules, each battery core it is positive and negative
Extreme side is respectively connected with collection post, then is connected with collection plate by gathering post, and collection plate is provided with voltage temperature collection device, should
Harvester was both connected with collection post, was also associated with master control borad.Thus analysis is understood, by each battery core in the present embodiment
Positive and negative electrode connection collection post, then the voltage temperature collection device by being connected on collection plate with collection post, can complete each electricity
The voltage of core and the collection of temperature, then the data transfer of collection is controlled into master control borad, it is simple in construction, rationally distributed,
Avoid using excessive collection wire harness, reduce cost；Moreover, harvester can gather each battery core in real time by gathering post
Temperature data, so as to more accurately monitor the state of temperature of each battery core, improve the performance and security of battery core；In addition, work as
When automobile hits, gather will not get lines crossed between post, the situation such as short-circuit, on fire, improve Product Safety.
Herein it should be noted that being also required to connect between multiple battery modules 21（Serial or parallel connection）, in fig. 2, often
The lug 221 not being connected with adjacent battery core 22 of leftmost side battery core 22 in individual battery modules 21（It can be negative or positive electrode）Between
It can be connected with each other, so as to realize the connection between multiple battery modules 21.Meanwhile the lug 221 of each battery modules 21 is logical
Frequently as the voltage acquisition initial value of respective battery module 21, at the same for the ease of measure leftmost side battery core 22 temperature, it is necessary to
Make the lug 221 individually one collection post 31 of connection.Similarly, the rightmost side battery core 22 of each battery modules 21 also uses above-mentioned side
Formula connection, set.Wherein, for the lug that is connected between adjacent battery core 22 marked as 222, for being connected with other battery modules
The lug of battery core 22 marked as 221.
In addition, Fig. 3 and Fig. 4 is the close-up schematic view of circular dashed line block diagram in Fig. 2, and Fig. 3 is front view, and Fig. 4 is
Side view.
Specifically when in use, multiple collection plates 23 can be used, and multiple collection plates 23 respectively with each battery modules 21
Battery core 22 correspond set, so as to each battery core 22 it is positive and negative extremely connect collection post 31 it is corresponding with itself
Collection plate 23 connects, and is equipped with harvester 24 on each collection plate 23, finally again by by each harvester 24 and one
Individual master control borad 25 connects.This kind of mode gathers each battery core 22 respectively by independent collection plate 23 and harvester 24
Voltage and temperature, between each other in the absence of any interference, the data deviation collected is small, and precision is high, and is easy to each battery core
22 independent control.Now, gathering post 31 can be directly anchored on the lug of battery core 22 by modes such as welding, and adjacent electricity
Extra wire or conductive bar etc. is also needed between core 22 to be attached（It is also required to connect between battery modules 21）.
When using above-mentioned monitor mode, the quantity of battery core 22 wanted because electric automobile is commonly required is more, then required to adopt
Collect plate 23 and harvester 24 is also more, cause cost to improve, layout difficulty increases.In consideration of it, as shown in Fig. 2 it can use
Single collection plate 23, the collection plate 23 are located at the upper end side of battery core 22, wherein, for each battery modules 21, all it is correspondingly provided with
One collection plate 23.
Specifically, in each battery modules 21, serial or parallel connection is needed between multiple battery cores 22, while each battery core 22
It is positive and negative it is extreme also need to connection collection post 31, the now positive and negative extreme voltage in view of being connected with each other between adjacent battery core 22
It is identical, temperature is identical, therefore the connected position can be completed by collection post 31 while adjacent battery core 22 is connected
Voltage temperature data acquisition.It is specifically as follows, as shown in Figure 3 and Figure 4, the positive and negative of battery core 22 is extremely equipped with conductive strips 32,
And connected between adjacent battery core 22 by a conductive strips 32, the corresponding post 31 that gathers is located on conductive strips 32, so as to by leading
Electric band 32 can realize the connection between battery core 22, while the collection post 31 by being located on conductive strips 32, can facilitate the position
The voltage temperature data acquisition put.
In fig. 2, the join domain 26 of adjacent battery core 22 is required to set conductive strips 32, to complete the company between battery core 22
Connect.With reference to Fig. 3 and Fig. 4, it can be seen that conductive strips 32 include rectangular-shape lath 321, in the same direction in the opposite end of lath 321
Provided with extension end face, so as to which two extension end faces are attached into the lug surface of battery core 22, complete to fix.Wherein, for adjacent electricity
Lug 222 between core 22 connects, the structure that conductive strips 32 can be as shown in Figure 3, and two extension end faces are attached to two respectively
The outer surface side of lug 222, similar to housing structure, complete the connection of adjacent battery core 22；And for needing and other battery moulds
The lug that group 21 is attached, such as lug 221 mentioned above, are now also required to conductive strips 32 and are attached, while each
It is required to set a collection post 31 on the conductive strips 32 of the lug 221 of battery modules 21.Wherein, conduction as shown in Figure 3
With on the two of 32 extension end faces 322, can also in opposite directions, it is horizontal be provided with extension, so as to be connected by extension and lug 222
Connect, convenient welding.
Generally, the higher Laser Welding of reliability or the side of ultrasonic bond can be passed through between conductive strips 32 and the lug of battery core 22
Formula is fixedly connected, now because two kinds of welding manner reliabilities are stronger, therefore conductive strips 32 can be as shown in Figures 2 and 3
Mode, lath 321 is fillet structure, and two extension end faces are also smaller, save material.It is of course also possible to increase conductive strips 32
Structure size, so as to by the bolt connecting mode connecting tab of convenient disassembly and conductive strips 32, specifically chosen mode can be with
It is decided according to the actual requirements.
Among these, when collection post 31 is fixed on conductive strips 32, also need to connect due to gathering post 31, support collection plate
23, therefore collection post 31 can be fixed on lath 321 with vertical state, so as to which multiple collection posts 31 are arranged in parallel, when
When collection plate 23 is fixed on collection post 31, the fixation stationarity and horizontality of collection plate 23 can be ensured.In addition, in order to save
The cost of collection plate 23, collection post 31 is generally located to the marginal end of corresponding lug（Conductive strips 32 are also located at edge accordingly
End）, so as to reduce the space size that multiple collection posts 31 are encircled a city.
Preferably, it can be cuboid copper post to gather post 31, and is fixedly connected by way of welding with conductive strips 32, or
In order to further improve switching performance, simplify process operation, collection post 31 can be integrally formed setting with conductive strips 32.Its
In, collection post 31 can also be the structures such as cylindric, taper, and be preferably that copper product conductive, that heat conductivility is good is made, when
Other metal materials can also so be used.
Equally, in order to improve the stable connection of collection post 31 and collection plate 23, reliability, multiple collection posts 31 can be total to
With collection plate 23 is passed through, between the two and by soldering or connection is connected and fixed.When using soldering when, solder joint can directly with
Wire etc. connects, and is connected in order to gather post 31 with harvester 24；When for clamping when, can also be in the perforate position of collection plate 23
Put place and conductiving point is set, when collection post 31 is located in the perforate of collection plate 23, it can be in contact with above-mentioned conductiving point.
In practical application, harvester 24 can include the single-chip microcomputer 28 being located on collection plate 23, and pass through circuit board
The voltage temperature sensor 29 that wire 241 is connected with single-chip microcomputer 28.Wherein, for the ease of more fast and accurately collection battery core 22
Voltage, the data such as temperature, voltage temperature sensor 29 can be located to the position for closing on collection post 31, and with gathering the phase of post 31
Connection.After voltage temperature sensor 29 collects the voltage of battery core 22, temperature data by gathering post 31, led by circuit board
Line 241 is transferred to single-chip microcomputer 28, and last single-chip microcomputer 28 is communicated by controller local area network, i.e., CAN 27 is transferred to master control
Plate 25, so as to complete the monitoring and control of battery core voltage, temperature in master control borad 25.
Wherein, because collection post 31 is located at the lug position of battery core 22, therefore measured temperature is also the positive and negative electrode of battery core 22
Region, then need to pass through mathematical algorithm in single-chip microcomputer 28 or master control borad 25, derive the reality on inside battery core and its surface
Temperature.
In the description of the invention, it is to be understood that term " " center ", " on ", " under ", "front", "rear", " left side ",
The orientation or position relationship of the instruction such as " right side ", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are based on shown in the drawings
Orientation or position relationship, be for only for ease of the description present invention and simplify description, rather than instruction or imply signified device or
Element must have specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
In the description of this specification, specific features, structure, material or feature can be real in any one or more
Apply and combined in an appropriate manner in example or example.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention described should be defined by scope of the claims.
Claims (10)
1. a kind of cell voltage, temperature acquisition system, including multiple battery modules being connected, each battery modules include multiple
The battery core of serial or parallel connection, it is characterised in that in each battery modules, each the positive and negative of the battery core is extremely all connected with
There is collection post, the collection post is connected with collection plate；
The collection plate is provided with voltage temperature collection device；The harvester is connected with the collection post, and the collection
Device is also associated with master control borad；
The positive and negative extremely shared collection post being connected with each other between the adjacent battery core；
The collection plate is located at the upper end side of the battery core, and the collection plate does not contact directly with the battery core.
2. cell voltage according to claim 1, temperature acquisition system, it is characterised in that the collection plate is one.
3. cell voltage according to claim 2, temperature acquisition system, it is characterised in that each the battery core is positive and negative
Extremely it is equipped with conductive strips；
It is located between the adjacent battery core by a conductive band connection, the collection post on the conductive strips.
4. cell voltage according to claim 3, temperature acquisition system, it is characterised in that the conductive strips and the electricity
Laser Welding, ultrasonic bond connection or bolt connection between the lug of core.
5. cell voltage according to claim 4, temperature acquisition system, it is characterised in that the conductive strips include rectangular
Body shape lath, the opposite end of the lath are provided with extension end face in the same direction；
Two extension end faces of the lath are attached to the cell polar ear surface respectively；It is described collection post be on the lath
Vertical state is set.
6. cell voltage according to claim 5, temperature acquisition system, it is characterised in that the collection post is cuboid
Copper post, and it is welded to connect or is integrally formed setting between the collection post and the conductive strips.
7. cell voltage according to claim 6, temperature acquisition system, it is characterised in that the collection post passes through jointly
The collection plate, and be connected with the collection plate soldering or clamping connection.
8. cell voltage according to claim 7, temperature acquisition system, it is characterised in that the harvester includes setting
Single-chip microcomputer on the collection plate and the voltage temperature sensor being connected with the single-chip microcomputer；
The voltage temperature sensor closes on the collection post and set, and is connected with the collection post.
9. cell voltage according to claim 8, temperature acquisition system, it is characterised in that the single-chip microcomputer and the master
Communicated between control plate by controller local area network.
10. cell voltage according to claim 1, temperature acquisition system, it is characterised in that the collection plate to be multiple,
And correspond and set with the battery core；
The collection plate connection corresponding with itself of each positive and negative extreme collection post of the battery core；Each collection
The harvester is equipped with plate, multiple harvesters are connected with a master control borad.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310745374.1A CN103698580B (en) | 2013-12-30 | 2013-12-30 | Cell voltage, temperature acquisition system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310745374.1A CN103698580B (en) | 2013-12-30 | 2013-12-30 | Cell voltage, temperature acquisition system |
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| CN103698580A CN103698580A (en) | 2014-04-02 |
| CN103698580B true CN103698580B (en) | 2017-11-28 |
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| CN104267356A (en) * | 2014-10-29 | 2015-01-07 | 国家电网公司 | Auxiliary channel device for detection of battery pack |
| CN104953642A (en) * | 2015-03-27 | 2015-09-30 | 广东欧珀移动通信有限公司 | Rechargeable battery pack and terminal device |
| CN106159364B (en) * | 2016-08-29 | 2019-06-14 | 淄博火炬能源有限责任公司 | The on-line monitoring method and device of rectangular lithium ion battery internal temperature |
| CN106646242B (en) * | 2016-09-14 | 2019-09-06 | 宁德时代新能源科技股份有限公司 | Battery pack collection device, battery pack and semi-finished product of collection device |
| CN106610477A (en) * | 2016-11-29 | 2017-05-03 | 北京长城华冠汽车科技股份有限公司 | Temperature collection device and method for battery module group |
| CN107230806A (en) * | 2017-05-27 | 2017-10-03 | 辽宁凯信新能源技术有限公司 | A kind of lithium battery group network temperature measuring system |
| CN107271920A (en) * | 2017-07-25 | 2017-10-20 | 北方奥钛纳米技术有限公司 | Voltage temperature gathers structure and cell apparatus |
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| CN108181019A (en) * | 2018-01-15 | 2018-06-19 | 惠州亿纬锂能股份有限公司 | A kind of test method of battery overcharge maximum temperature |
| CN109148993A (en) * | 2018-08-15 | 2019-01-04 | 北京海博思创科技有限公司 | Cell apparatus and new-energy automobile |
| CN108987645A (en) * | 2018-09-03 | 2018-12-11 | 十堰猛狮新能源科技有限公司 | A kind of battery for electric automobile pack arrangement |
| CN111293266B (en) * | 2020-02-26 | 2022-09-02 | 中创新航科技股份有限公司 | Battery module |
| CN111564660A (en) * | 2020-06-19 | 2020-08-21 | 义乌易换骑电池有限公司 | Lithium battery pack capable of preventing voltage acquisition interference |
| CN112201866A (en) * | 2020-09-29 | 2021-01-08 | 欣旺达电动汽车电池有限公司 | Intelligent battery core, battery system and electric vehicle |
| CN114487836B (en) * | 2022-01-26 | 2023-05-26 | 上海玫克生储能科技有限公司 | Battery state analysis method, system and terminal based on voltage and temperature |
| CN118857483B (en) * | 2024-07-19 | 2025-06-20 | 东莞市博捷塑胶电子有限公司 | A new energy power supply CCS signal acquisition module structure |
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|---|---|---|---|---|
| CN101872880A (en) * | 2009-04-24 | 2010-10-27 | 三洋电机株式会社 | Battery module, battery system and motor vehicle |
| CN202616365U (en) * | 2012-02-20 | 2012-12-19 | 重庆永通信息工程实业有限公司 | High-power lithium ion battery module and lithium ion battery pack thereof |
| CN202837369U (en) * | 2012-09-14 | 2013-03-27 | 徐州艺源动画制作有限公司 | Charging detection device for electric vehicle |
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| Publication number | Publication date |
|---|---|
| CN103698580A (en) | 2014-04-02 |
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