CN206806468U - Battery modules - Google Patents
Battery modules Download PDFInfo
- Publication number
- CN206806468U CN206806468U CN201720533146.1U CN201720533146U CN206806468U CN 206806468 U CN206806468 U CN 206806468U CN 201720533146 U CN201720533146 U CN 201720533146U CN 206806468 U CN206806468 U CN 206806468U
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- China
- Prior art keywords
- battery modules
- temperature sensor
- temperature
- pad
- sampling
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- 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 utility model discloses a kind of battery modules, connection sheet including stacking the multiple batteries set and electrical connection adjacent cell, wherein, battery modules also include temperature sampling structure, temperature sampling structure includes sampling circuit and the temperature sensor electrically connected with sampling circuit, connection sheet is provided with groove, and temperature sensor is fixed in groove.Relative to prior art, temperature sensor is directly fixed on inside connection sheet by the utility model battery modules, the precision of battery modules temperature sampling can farthest be improved, solve the problems, such as existing battery modules temperature sampling accuracy error big, complex process, it is fixed loosely, cost it is high.
Description
Technical field
The utility model belongs to field of batteries, more specifically, the utility model is related to a kind of battery modules.
Background technology
Lithium ion battery has the advantage such as voltage height, long lifespan, green, therefore is widely used in consumer battery
With electrokinetic cell field.Usually ensure the normal work of battery product, it is necessary to be supervised to the operating temperature and voltage of battery
Control.
At present, the monitoring temperature of battery modules in connection sheet ultrasonic surface generally by welding or in connection sheet reel knot
Temperature sensor of the sealant pouring and sealing with round wire is realized in structure.The above method can not automated production, low production efficiency.
Separately there is the scheme that connection sheet is fixed on using water droplet hair style temperature sensor, this method not only needs additional designs
The wire of temperature sensor and the pad of bonding are butted up against, adds transfer process and cost, and water droplet hair style TEMP
Device physical dimension is big, is not easy to fix.
In addition, also have by SMD temperature sensor arrangement on the flexible circuit, recycle bonding techniques by connection sheet with
The scheme of temperature sensor connection.This method can realize automated production, but the installation site distance of temperature sensor
Farther out, temperature has lost connection sheet in transmittance process, and temperature sampling deviation is larger, and accuracy is poor, and temperature sensor with
The connectivity robustness of connection sheet is bad.
In view of this, it is necessory to provide it is a kind of can automated production, the battery modules that sampling is accurate, reliability is high.
Utility model content
The purpose of this utility model is：Overcome the deficiencies in the prior art, there is provided one kind can automated production, sampling standard
Really, the high battery modules of reliability.
To achieve these goals, the utility model provides a kind of battery modules, including stacks the multiple batteries set
With electrical connection adjacent cell connection sheet, wherein, the battery modules also include temperature sampling structure, the temperature sampling structure
The temperature sensor electrically connected including sampling circuit and with sampling circuit, connection sheet are provided with groove, and temperature sensor is fixed on
In the groove.
One kind as the utility model battery modules is improved, and consolidating for fixed temperature sensor is provided with the groove
Determine glue.
One kind as the utility model battery modules is improved, and the temperature sampling structure also includes being fixed in connection sheet
Warming flexible circuitry, temperature sensor electrically connects with warming flexible circuitry, and warming flexible circuitry electrically connects with sampling circuit.
One kind as the utility model battery modules is improved, and reinforcement is provided between the warming flexible circuitry and connection sheet
Structure.
One kind as the utility model battery modules is improved, and the warming flexible circuitry includes wire, protecting film and set
In the first pad on protecting film, wire one end electrically connects with temperature sensor, and the other end electrically connects with the first pad, the first weldering
Disk electrically connects with sampling circuit.
One kind as the utility model battery modules is improved, and the sampling circuit is provided with the second pad, the first pad
Electrically connected with the second pad.
One kind as the utility model battery modules is improved, and first pad and the second pad are real by bonding wire
Now electrically connect.
One kind as the utility model battery modules is improved, and the warming flexible circuitry includes two the first pads, institute
State and two the second pads are correspondingly provided with sampling circuit.
One kind as the utility model battery modules is improved, and the temperature sensor is NTC temperature sensors or PTC temperature
Spend sensor.
One kind as the utility model battery modules is improved, and the sampling circuit is that FPC flexible PCBs or PCB print
Circuit board.
Relative to prior art, the utility model battery modules have following advantageous effects：
Directly temperature sensor is fixed on inside connection sheet, can farthest improve the standard of battery modules temperature sampling
Exactness, automated production can be realized using bonding wire technique, solving existing battery modules temperature sampling can not realize automatically
Metaplasia is produced, module temperature sampling deviation is big, complex process, it is fixed loosely, the problem of cost is high.
Brief description of the drawings
With reference to the accompanying drawings and detailed description, the utility model battery modules are described in detail, wherein：
Fig. 1 is the structural representation of the utility model battery modules.
Fig. 2 is the enlarged diagram of temperature sampling structure in the utility model battery modules shown in Fig. 1.
Fig. 3 is the partial enlarged drawing of temperature sampling structure in the utility model battery modules shown in Fig. 2.
10- connection sheets；12- grooves；14- elongated ends；20- sampling circuits；The pads of 22- second；30- warming flexible circuitries；
32- wires；34- protecting films；The pads of 36- first；40- temperature sensors；50- wire harness division boards；60- bonding wires.
Embodiment
In order that the purpose of this utility model, technical scheme and its technique effect become apparent from, below in conjunction with accompanying drawing and tool
Body embodiment, the utility model is further elaborated.It should be appreciated that the specific reality described in this specification
Mode is applied just for the sake of explaining the utility model, is not intended to limit the utility model.
It refer to shown in Fig. 1 to Fig. 3, the utility model provides a kind of battery modules, including stacks the multiple electricity set
Pond and the connection sheet 10 of electrical connection adjacent cell, wherein, battery modules also include temperature sampling structure, and temperature sampling structure includes
Sampling circuit 20 and the temperature sensor 40 electrically connected with sampling circuit 20, connection sheet 10 are provided with groove 12, temperature sensor
40 are fixed in groove 12.
It refer to shown in Fig. 1, multiple battery (not shown)s be provided with battery modules, pass through company between adjacent cell
Contact pin 10 is electrically connected, and so as to realize the series connection and/or parallel connection between battery, and then is assembled into battery modules.Connection sheet 10
Collection for cell voltage in battery modules and monitoring temperature signal provides structure platform, and its quantity and position are not restricted.
Temperature sampling structure includes sampling circuit 20 and temperature sensor 40, and temperature sensor 40 is electrically connected with sampling circuit 20
Connect.Connection sheet 10 is provided with groove 12, and temperature sensor 40 is fixed in groove 12.Temperature sensor 40 is directly fixed on connection
The inside of piece 10, the temperature of the connection sheet 10 collected is closer to the actual temperature of battery, and almost scattering and disappearing without temperature, adopts
Calibration exactness is high.And temperature sensor 40 is fixed in groove 12, be advantageous to the fixation of temperature sensor 40, temperature sensor
40 is good with the connectivity robustness of connection sheet 10, and reliability is high.Groove 12 can be any shape, preferably square or circular, be easy to
Technique is processed.
According to a preferred embodiment of the present utility model, fixing glue is provided with the groove 12 in connection sheet 10, is used for
Temperature sensor 40 is fixed.Fixing glue is preferably heat-conducting glue, and heat-conducting glue can be directly quick by the temperature of connection sheet 10
Temperature sensor 40 is delivered to, further improves the degree of accuracy of temperature sampling in battery modules.
According to a preferred embodiment of the present utility model, connection sheet 10 is provided with prolongs from its surface to sampling circuit 20
The elongated end 14 stretched, on elongated end 14, temperature sensor 40 is fixed in groove 12 groove 12.Elongated end 14 further contracts
The distance of short connection sheet 10 and sampling circuit 20, thus shorten the electrical connection of temperature sensor 40 and sampling circuit 20 away from
From, electrical connection material is not only saved, adds the reliability of connection, and the path length of temperature signal transmission is shortened, carry
The high sampling degree of accuracy.
According to a preferred embodiment of the present utility model, temperature sensor 40 can use NTC temperature sensors or PTC
Temperature sensor, preferably SMD NTC temperature sensors, is easy to connect and fixes.
Wire harness division board 50 is additionally provided with battery modules, to realize the isolation of electricity piece and fixation.Sampling circuit 20 is pasted
Close on wire harness division board 50, for realizing the transmission or collection of temperature and voltage signal in battery modules.It is new according to this practicality
FPC flexible PCBs or PCB printed substrates can be selected in one preferred embodiment of type, sampling circuit 20.
It refer to shown in Fig. 2 and Fig. 3, according to a preferred embodiment of the present utility model, temperature sampling structure is also wrapped
The warming flexible circuitry 30 being fixed in connection sheet 10 is included, temperature sensor 40 electrically connects with warming flexible circuitry 30, and warming is soft
Property circuit 30 electrically connects with sampling circuit 20.The presence of warming flexible circuitry 30 is easy to implement temperature sensor 40 and sampling circuit
20 electrical connection, technique are easily achieved, and operability and the connection reliability for enhancing electrical connection are high.Temperature sensor 40 is fixed on
In groove 12, warming flexible circuitry 30 is fixed on the surface of connection sheet 10, and temperature sensor 40 and warming flexible circuitry 30 are in not
Same plane, can further enhance the reliability that temperature sensor 40 is connected with warming flexible circuitry 30, be advantageous to improve battery
The accuracy of module temperature collection.
Warming flexible circuitry 30 mainly includes wire 32, protecting film 34 and the first pad on upper strata protecting film 34
36.Protecting film 34 is pressure-resistant protective insulating film, and warming flexible circuitry 30 can be made to be insulated with connection sheet 10.Protecting film 34 need to meet
Leakage current≤1mA resistance to pressure request under 60S 3550VDC or 2000VAC high pressure continuous actions, and meet in 1000VDC height
Lower resistance >=500M the Ω of pressure effect insulating requirements.It is optional according to a preferred embodiment of the present utility model, protecting film 34
With polyimide film (PI films), meet the requirement of pressure-resistant insulation, ensure the security of battery modules temperature sampling.
First pad 36 is fixed on protecting film 34, and the one end of wire 32 connects the first pad 36, and other end connection temperature passes
Sensor 40.
Sampling circuit 20 is provided with the second pad 22, and the second pad 22 and the first pad 36 carry out electricity by bonding wire 60
Connection.Bonding wire 60 can be thread or strip metal, can generally use thread metallic aluminium.
According to a preferred embodiment of the present utility model, warming flexible circuitry 30 includes two the first pads 36, adopted
Line-transect road 20 is provided with two with the second pad 22 of the position correspondence of the first pad 36, the first pad 36 and second corresponding to each pair
It is electrically connected between pad 22 by one or more bonding wire 60.The distance of two the first pads 36 of suitable control, and
Protection glue is covered to pad full coat to protect, safely may be used with strengthening process operability and battery modules temperature sampling after bonding
By property.
According to a preferred embodiment of the present utility model, warming flexible circuitry 30 is fixed on connection sheet 10 by glue
Surface, epoxy glue or double faced adhesive tape etc. can be used.The isometric small, fixation of FPC flexible PCBs can be selected just in warming flexible circuitry 30
Prompt, technical maturity and the low wiring board of cost.Reinforced structure can be increased between the lower surface of warming flexible circuitry 30 and connection sheet 10,
Such as FR-4 stiffening plates (FR-4 is the code name of flame resistant material grade), and then strengthen bonding technology operability and electrical connection reliably
Property.
It refer to shown in Fig. 1 to Fig. 3, the temperature sampling process of the utility model battery modules is：
Temperature in battery modules inside intercell connection piece 10 is directly delivered to temperature sensor 40, temperature sensor 40
The temperature signal collected is transferred to the first pad 36 of warming flexible circuitry 30 through wire 32, then is transmitted by bonding wire 60
To the second pad 22 of sampling circuit 20, sampling circuit 20 carries out transmission collection to temperature signal.
It is described in detail with reference to more than to of the present utility model as can be seen that relative to prior art, the utility model battery
Module at least has following advantageous effects：
Directly it is electrically connected in the groove 12 that temperature sensor 40 is directly anchored in connection sheet 10 and with warming flexible circuitry 30
Connect, then electrically connected temperature compliant circuit 30 with sampling circuit 20 by bonding wire 60 so that temperature sensor 40 can be directly
The temperature inside connection sheet 10 is measured, without scattering and disappearing for temperature, existing temperature sensor 40 is not only solved and is not easy to fixed, nothing
The shortcomings that method automated production, complex process, high cost, and the direct sampling of battery temperature in battery modules can be realized, have
Effect improves the accuracy of battery modules temperature sampling.
According to above-mentioned principle, the utility model can also carry out appropriate change and modification to above-mentioned embodiment.Therefore,
The utility model is not limited to embodiment disclosed and described above, to some modifications and changes of the present utility model
It should also be as falling into scope of the claims of the present utility model.In addition, although use some specific in this specification
Term, but these terms are merely for convenience of description, do not form any restrictions to the utility model.
Claims (10)
1. a kind of battery modules, including stack the connection sheet of the multiple batteries set and electrical connection adjacent cell, it is characterised in that：
The battery modules also include temperature sampling structure, and the temperature sampling structure includes sampling circuit and electrically connected with sampling circuit
Temperature sensor, connection sheet is provided with groove, and temperature sensor is fixed in the groove.
2. battery modules according to claim 1, it is characterised in that：It is provided with the groove and is used for fixed temperature sensor
Fixing glue.
3. battery modules according to claim 1, it is characterised in that：The temperature sampling structure also includes being fixed on connection
Warming flexible circuitry on piece, temperature sensor electrically connect with warming flexible circuitry, and warming flexible circuitry is electrically connected with sampling circuit
Connect.
4. battery modules according to claim 3, it is characterised in that：It is provided between the warming flexible circuitry and connection sheet
Reinforced structure.
5. battery modules according to claim 3, it is characterised in that：The warming flexible circuitry includes wire, protecting film
With the first pad on protecting film, wire one end electrically connects with temperature sensor, and the other end electrically connects with the first pad, the
One pad electrically connects with sampling circuit.
6. battery modules according to claim 5, it is characterised in that：The sampling circuit is provided with the second pad, and first
Pad electrically connects with the second pad.
7. battery modules according to claim 6, it is characterised in that：First pad is drawn with the second pad by being bonded
Line realizes electrical connection.
8. battery modules according to claim 6, it is characterised in that：The warming flexible circuitry includes two first welderings
Disk, two the second pads are correspondingly provided with the sampling circuit.
9. battery modules according to claim 1, it is characterised in that：The temperature sensor be NTC temperature sensors or
PTC temperature sensors.
10. battery modules according to claim 1, it is characterised in that：The sampling circuit be FPC flexible PCBs or
PCB printed circuit board (PCB)s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720533146.1U CN206806468U (en) | 2017-05-15 | 2017-05-15 | Battery modules |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720533146.1U CN206806468U (en) | 2017-05-15 | 2017-05-15 | Battery modules |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206806468U true CN206806468U (en) | 2017-12-26 |
Family
ID=60740770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720533146.1U Active CN206806468U (en) | 2017-05-15 | 2017-05-15 | Battery modules |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206806468U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111224050A (en) * | 2018-11-27 | 2020-06-02 | 宁波石墨烯创新中心有限公司 | Power battery pack and whole vehicle control system based on same |
| DE102019134469A1 (en) | 2018-12-29 | 2020-07-02 | Molex, Llc | Battery connection module |
| CN111989798A (en) * | 2018-12-26 | 2020-11-24 | 株式会社Lg化学 | Battery module having structure in which energy density is improved, battery pack including the same, and vehicle |
| CN112151703A (en) * | 2019-06-28 | 2020-12-29 | 宁德时代新能源科技股份有限公司 | Battery module |
| WO2021098387A1 (en) * | 2019-11-19 | 2021-05-27 | 宁德时代新能源科技股份有限公司 | Battery module and vehicle |
-
2017
- 2017-05-15 CN CN201720533146.1U patent/CN206806468U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111224050A (en) * | 2018-11-27 | 2020-06-02 | 宁波石墨烯创新中心有限公司 | Power battery pack and whole vehicle control system based on same |
| CN111989798A (en) * | 2018-12-26 | 2020-11-24 | 株式会社Lg化学 | Battery module having structure in which energy density is improved, battery pack including the same, and vehicle |
| DE102019134469A1 (en) | 2018-12-29 | 2020-07-02 | Molex, Llc | Battery connection module |
| KR20200083192A (en) * | 2018-12-29 | 2020-07-08 | 몰렉스 엘엘씨 | A battery connection module |
| JP2020109741A (en) * | 2018-12-29 | 2020-07-16 | モレックス エルエルシー | Battery connection module |
| KR102239597B1 (en) | 2018-12-29 | 2021-04-13 | 몰렉스 엘엘씨 | A battery connection module |
| JP7013422B2 (en) | 2018-12-29 | 2022-01-31 | モレックス エルエルシー | Battery connection module |
| CN112151703A (en) * | 2019-06-28 | 2020-12-29 | 宁德时代新能源科技股份有限公司 | Battery module |
| US11923565B2 (en) | 2019-06-28 | 2024-03-05 | Contemporary Amperex Technology Co., Limited | Battery module and device |
| WO2021098387A1 (en) * | 2019-11-19 | 2021-05-27 | 宁德时代新能源科技股份有限公司 | Battery module and vehicle |
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| GR01 | Patent grant |