CN209515833U - A kind of battery pack and a kind of vehicle - Google Patents
A kind of battery pack and a kind of vehicle Download PDFInfo
- Publication number
- CN209515833U CN209515833U CN201920286513.1U CN201920286513U CN209515833U CN 209515833 U CN209515833 U CN 209515833U CN 201920286513 U CN201920286513 U CN 201920286513U CN 209515833 U CN209515833 U CN 209515833U
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- battery pack
- circuit board
- flexible circuit
- battery
- management system
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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
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Abstract
The utility model provides a kind of battery pack and a kind of vehicle, belongs to technical field of power battery management.The battery pack includes battery pack body, tiling is provided with flexible circuit board on the upper surface of the battery pack body, the Wiring port of flexible circuit board one end is connected with the data acquisition element of the associated batteries module of battery pack body, the other end of the flexible circuit board is the signal output end of flexible circuit board, being sticked on the leading flank of the battery pack body has battery management system control panel, the flexible circuit board is folded on the leading flank of battery pack body by the upper surface of battery pack body, the signal input interface for connecting with the signal output end of the flexible circuit board is provided on the battery management system control panel.Since no setting is required, special signal harness connection flexible circuit board and battery management system so that the volume of battery pack reduces, weight saving are conducive to the lightweight of internal battery pack arrangement space densification and battery pack in the battery pack.
Description
Technical field
The utility model relates to a kind of battery packs and a kind of vehicle, belong to technical field of power battery management.
Background technique
At present new-energy automobile to power battery pack specific energy, bulk density, lightweight, in terms of propose
Higher requirement.It is small-sized using battery management system usually under the premise of guaranteeing power battery pack safety to meet the requirement
The means such as change, single battery FPC sampling improve power battery pack integrated level, and then promote the specific energy and volume of power battery pack
Density, simultaneously because the use of single battery FPC sampling, is also mentioned the performances such as safety, the lightweight of power battery pack
Height, cost are declined.
Existing single battery FPC sampling is in FPC (Flexible Printed Circuit, abbreviation flexible printing electricity
Road plate, also referred to as flexible circuit board) one connector of tip designs, by connector by the voltage of collected single battery,
To sampling harness, sampling harness cooperates with the connector on battery management system control panel completes information for the message switchings such as temperature
Transmission.Under this mode, there are still sampling harness between FPC and battery management system control panel in battery pack, and exist
The tie point of connector, the presence of connector reduce the reliability of connection, and sampling harness has security risks such as abrasion and not
Conducive to the lightweight of internal battery pack arrangement space densification and battery pack, and sample harness and battery management system control panel
Larger space need to be reserved by patching, and otherwise be unfavorable for repairing, and also influence the densification and light-weight design of battery pack.
A kind of power battery mould is disclosed in the Chinese utility model patent file that Authorization Notice No. is CN207800816U
Group signal pickup assembly (being also believed to a kind of battery pack), including battery modules and flexible printed circuit board, single battery
Sampled signal is transmitted to more pin sockets after the signal line in flexible printed circuit board, and more pin sockets are by corresponding
More pin plugs and battery management system be electrically connected, the sampled signal of single battery is transmitted to battery by plug and socket
Management system.Although signal acquisition is designed without harness cabling, there are still traditional signal harness in the battery pack, should
For signal harness for connecting flexible printed circuit board and battery management system, i.e. one end of signal harness connects flexible print circuit
The signal output end of plate, the other end of signal harness access battery management system, by the signal harness by collected monomer
The sampled signals such as voltage, the temperature of battery are sent into battery management system.
Therefore the battery pack has the following problems: first, there are still traditional signal harness (i.e. sampling lines in battery pack
Beam), the volume of battery pack is increased, the lightweight of internal battery pack arrangement space densification and battery pack is unfavorable for, moreover, letter
The both ends of number harness need to be attached with related device, it is necessary to reserve larger space, otherwise be unfavorable for repairing, so also shadow
Ring the densification and light-weight design of battery pack；Second, signal harness, which has security risks, for a long time uses such as abrasion, to be reduced
The reliability of signal transmission and the security performance of battery pack；Third, the presence of signal harness have made more than battery pack a route
Tie point reduces the reliability of the transmission of battery pack signal and connection.
Utility model content
The purpose of the utility model is to provide a kind of battery packs, soft to solve to need to connect by special signal harness
Property circuit board and battery management system, increase the volume of battery pack, are unfavorable for internal battery pack arrangement space densification and electricity
The light-weighted problem of pond group；The utility model also provides a kind of vehicle, needs to pass through in the battery pack on vehicle to solve
Special signal harness connection flexible circuit board and battery management system, increase the volume of battery pack, reduce vehicle space
The problem of utilization rate.
To achieve the above object, the utility model provides a kind of battery pack, including battery pack body, the battery pack sheet
Body is made of at least one battery module, and tiling is provided with for acquiring associated batteries mould on the upper surface of the battery pack body
The data of the flexible circuit board of the data information of block, the Wiring port of flexible circuit board one end and the associated batteries module acquire
Element is connected, and the other end of the flexible circuit board is the signal output end of flexible circuit board, before the battery pack body
Being sticked on side has battery management system control panel, and the flexible circuit board is folded into battery pack by the upper surface of battery pack body
On the leading flank of ontology, it is provided on the battery management system control panel for the signal output end with the flexible circuit board
The signal input interface of connection.
The beneficial effect of the battery pack is: the data that the Wiring port of flexible circuit board one end is directly connected to battery module are adopted
Collect element, the signal input that the signal output end of the flexible circuit board other end is directly connected on battery management system control panel connects
Mouthful, i.e., the sampled signals such as the voltage of collected single battery, temperature are directly sent by battery management system by flexible circuit board,
Since no setting is required, special signal harness connection flexible circuit board and battery management system, not only reduce cost, also make
Volume reduction, the weight saving of battery pack, are conducive to the lightweight of internal battery pack arrangement space densification and battery pack；Separately
Outside, it is also improved since there is no security risks, the security performances of battery pack such as the abrasions of signal harness；Moreover, because not
There are signal harness, the connection point of battery pack is also reduced, thus further improve battery pack signal transmission and
The reliability of connection.
As a kind of improvement to above-mentioned battery pack, the signal output end of the flexible circuit board is FPC conductive contact blade, institute
Stating the signal input interface on battery management system control panel is the FPC connector cooperated with the FPC conductive contact blade.
Signal input interface using FPC connector as battery management system control panel, by FPC conductive contact blade and
The connection between flexible circuit board and battery management system control panel is realized in the mating connection of FPC connector, due to without switching
Plug-in unit and signal harness, are not only simple in structure, additionally it is possible to reduce cost, while can also reduce operating space when maintenance, make
The volume of battery pack can further decrease, and be conducive to the integrated efficiency for improving battery pack, be also beneficial to the lightweight of battery pack.
It is improved as the another kind to above-mentioned battery pack, the FPC conductive contact blade of the flexible circuit board is arranged in battery pack
On the leading flank of ontology and it is directed downward arrangement, the FPC connector on the battery management system control panel is arranged in cell tube
It manages the upper end of system control panel and direction is upwardly disposed.
FPC conductive contact blade and FPC connector are positioned opposite, make the connection of flexible circuit board and battery management system control panel
It is easier, it is more advantageous to the densification of internal battery pack arrangement space, and this arrangement can simplify flexible circuit board
Trend, avoid flexible circuit board from damaging because of overflexing.
As another improvement to above-mentioned battery pack, crimping buckle, the crimping card are provided on the FPC connector
Detain being fixedly connected for realizing FPC conductive contact blade and FPC connector.
Being fixedly connected for FPC conductive contact blade and FPC connector is realized by the way of crimping buckle, it is easy to operate.
In order to realize battery module data information acquisition, as to above-mentioned battery pack another improvement, it is described soft
Property circuit board includes soft-circuit board, and the soft-circuit board includes temperature acquisition layer, voltage acquisition layer and is set to temperature acquisition
Insulating layer between layer and voltage acquisition layer, the Wiring port of described flexible circuit board one end includes temperature acquisition port and voltage
Port is acquired, the data acquisition element includes temperature acquisition element and voltage acquisition element, and the temperature acquisition port is used for
Temperature acquisition element is connected, the voltage acquisition port is for connecting voltage acquisition element.
The utility model additionally provides a kind of vehicle, including vehicle body and battery pack, and the battery pack includes battery pack
Ontology, the battery pack body are made of at least one battery module, and tiling is provided on the upper surface of the battery pack body
For acquiring the flexible circuit board of the data information of associated batteries module, the Wiring port of flexible circuit board one end to it is described related
The data acquisition element of battery module is connected, and the other end of the flexible circuit board is the signal output end of flexible circuit board,
Being sticked on the leading flank of the battery pack body has battery management system control panel, and the flexible circuit board is by battery pack body
Upper surface is folded on the leading flank of battery pack body, be provided on the battery management system control panel for the flexibility
The signal input interface of the signal output end connection of circuit board.
The beneficial effect of the vehicle is: for the battery pack on vehicle, flexible circuit board one end in the battery pack
Wiring port is directly connected to the data acquisition element of battery module, and the signal output end of the flexible circuit board other end is directly connected to electricity
Signal input interface on the management system control panel of pond, i.e., by flexible circuit board directly by the voltage of collected single battery,
The sampled signals such as temperature are sent into battery management system, special signal harness connection flexible circuit board and battery since no setting is required
Management system not only reduces cost, reduces the volume of battery pack, weight saving, is conducive to internal battery pack arrangement
The lightweight of spaces compact and battery pack；In addition, since there is no security risks such as signal harness abrasions, the safety of battery pack
Performance is also improved；Moreover, because signal harness is not present, the connection point of battery pack is also reduced, thus into
One step improves the reliability of the transmission of battery pack signal and connection；In conclusion due to the volume of battery pack on vehicle
Reduction, weight saving, safety and reliability improve, and therefore, the space utilization rate and traffic safety of the vehicle are also mentioned
It is high.
As a kind of improvement to above-mentioned vehicle, the signal output end of the flexible circuit board is FPC conductive contact blade, described
Signal input interface on battery management system control panel is the FPC connector cooperated with the FPC conductive contact blade.
Signal input interface using FPC connector as battery management system control panel, by FPC conductive contact blade and
The connection between flexible circuit board and battery management system control panel is realized in the mating connection of FPC connector, due to without switching
Plug-in unit and signal harness, are not only simple in structure, additionally it is possible to reduce cost, while can also reduce operating space when maintenance, make
The volume of battery pack can further decrease, and be conducive to the integrated efficiency for improving battery pack, be also beneficial to the lightweight of battery pack；
Since the volume of battery pack further decreases, the space utilization rate of vehicle is also further increased.
It is improved as the another kind to above-mentioned vehicle, the FPC conductive contact blade of the flexible circuit board is arranged in battery pack sheet
On the leading flank of body and it is directed downward arrangement, the FPC connector on the battery management system control panel is arranged in battery management
The upper end and direction of system control panel are upwardly disposed.
FPC conductive contact blade and FPC connector are positioned opposite, make the connection of flexible circuit board and battery management system control panel
It is easier, it is more advantageous to the densification of internal battery pack arrangement space, and this arrangement can simplify flexible circuit board
Trend, avoid flexible circuit board from damaging because of overflexing.
As another improvement to above-mentioned vehicle, crimping buckle, the crimping buckle are provided on the FPC connector
For realizing being fixedly connected for FPC conductive contact blade and FPC connector.
Being fixedly connected for FPC conductive contact blade and FPC connector is realized by the way of crimping buckle, it is easy to operate.
In order to realize battery module data information acquisition, as to above-mentioned vehicle another improvement, the flexibility
Circuit board includes soft-circuit board, and the soft-circuit board includes temperature acquisition layer, voltage acquisition layer and is set to temperature acquisition layer
With the insulating layer between voltage acquisition layer, the Wiring port of described flexible circuit board one end includes that temperature acquisition port and voltage are adopted
Collect port, the data acquisition element includes temperature acquisition element and voltage acquisition element, and the temperature acquisition port is for connecting
Jointing temp acquisition elements, the voltage acquisition port is for connecting voltage acquisition element.
Detailed description of the invention
Fig. 1 is the battery pack structure schematic diagram of the utility model；
In figure, 1 is battery cell, and 2 be conductive connecting piece, and 3 be flexible circuit board, and 4 be FPC conductive contact blade, and 5 be cell tube
System control panel is managed, 6 be FPC connector.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and specifically
The present invention will be further described in detail for embodiment.
Battery embodiment:
The battery pack of the utility model includes battery pack body, and battery pack body can be by least one battery module structure
At only describing in detail so that battery pack body is made of 3 battery modules as an example to battery pack in the present embodiment.Such as Fig. 1 institute
Show, in the present embodiment, each battery module for constituting battery pack body is connected by multiple battery cells 1 through conductive connecting piece 2
To obtain.
For orientation shown in FIG. 1, battery pack in the present embodiment, setting of tiling on the upper surface of battery pack body
Flexible circuit board 3, being sticked on the leading flank of battery pack body has battery management system control panel 5, and flexible circuit board 3 is by battery
The upper surface of group ontology is folded on the leading flank of battery pack body.
Wherein, flexible circuit board 3 includes soft-circuit board, and soft-circuit board includes temperature acquisition layer, voltage acquisition layer and sets
The insulating layer being placed between temperature acquisition layer and voltage acquisition layer；Wiring port (including the temperature acquisition of 3 one end of flexible circuit board
Port and voltage acquisition port) with the data acquisition element of associated batteries module (including temperature acquisition element and voltage acquisition member
Part) it is connected, for acquiring the data information of associated batteries module, specifically, temperature acquisition port is for connecting temperature acquisition
Element, voltage acquisition port is for connecting voltage acquisition element；The other end of flexible circuit board 3 is the signal of flexible circuit board 3
Output end, i.e. FPC conductive contact blade 4, be provided on battery management system control panel 5 for the output of the signal of flexible circuit board 3
Hold the signal input interface of connection, i.e. FPC connector 6.
In the present embodiment, by the mating connection of FPC conductive contact blade 4 and FPC connector 6, flexible circuit board 3 and electricity are realized
It is directly connected between pond management system control panel 5, since no setting is required, special signal harness, not only reduces cost, also
So that the volume of battery pack reduces, weight saving, be conducive to the lightweight of internal battery pack arrangement space densification and battery pack；
In addition, being also improved since there is no security risks, the security performances of battery pack such as the abrasions of signal harness；Moreover, because
There is no signal harness, the connection point of battery pack is also reduced, thus further improve battery pack signal transmission with
And the reliability of connection.As other embodiments, flexible circuit board 3 and battery management system control panel 5 can also be adopted
It is directly connected to other modes in the prior art realization, such as by the signal output end of flexible circuit board 3 and battery management system
The signal input interface of system control panel 5 welds.
For orientation shown in FIG. 1, in the present embodiment, FPC conductive contact blade 4 is arranged on the leading flank of battery pack body
And it is directed downward arrangement, the upper end of battery management system control panel 5 is arranged in FPC connector 6 and direction is upwardly disposed, due to adopting
FPC conductive contact blade 4 and the mode positioned opposite of FPC connector 6 have been taken, flexible circuit board 3 and battery management system control panel 5 are made
Connection it is easier, be more advantageous to the densification of internal battery pack arrangement space, and arrangement shown in Fig. 1 can letter
The trend for changing flexible circuit board 3, avoids flexible circuit board 3 from damaging because of overflexing.
Certainly, as other embodiments, FPC conductive contact blade 4 and FPC connector 6 can also be realized in other directions
It is positioned opposite, such as FPC connector 6 is arranged in the lower end of battery management system control panel 5 and is directed downward arrangement, and FPC is led
Electric contact point 4 is arranged on the leading flank of battery pack body and direction is upwardly disposed；Or FPC connector 6 is arranged in battery management
The right end of system control panel 5 and direction is towards right arrangement, FPC conductive contact blade 4 is arranged on the leading flank of battery pack body and direction
Towards left arrangement etc..
In the present embodiment, be provided on FPC connector 6 crimping buckle, using crimping buckle realize FPC conductive contact blade 4 with
FPC connector 6 is fixedly connected, and realizes that FPC conductive contact blade 4 and the fixed of FPC connector 6 connect by the way of crimping buckle
It connects, it is easy to operate.
It should be noted that the positional terms such as upper surface, leading flank in the utility model, upper and lower, are only opposite each other
Concept or be reference with the normal operating condition of product, and should not be regarded as restrictive.
Vehicle embodiments:
The vehicle of the present embodiment, including vehicle body and battery pack, wherein the specific structure of battery pack is in battery pack reality
It applies in example and is described in detail, details are not described herein again.
Claims (10)
1. a kind of battery pack, including battery pack body, the battery pack body is made of at least one battery module, the battery
Tiling is provided with the flexible circuit board of the data information for acquiring associated batteries module, flexible circuit on the upper surface of group ontology
The Wiring port of plate one end is connected with the data acquisition element of the associated batteries module, the other end of the flexible circuit board
For the signal output end of flexible circuit board, which is characterized in that being sticked on the leading flank of the battery pack body has battery management system
System control panel, the flexible circuit board are folded on the leading flank of battery pack body by the upper surface of battery pack body, the electricity
The signal input interface for connecting with the signal output end of the flexible circuit board is provided on the management system control panel of pond.
2. battery pack according to claim 1, which is characterized in that the signal output end of the flexible circuit board is led for FPC
Electric contact point, the signal input interface on the battery management system control panel is that the FPC cooperated with the FPC conductive contact blade is connect
Device.
3. battery pack according to claim 2, which is characterized in that the FPC conductive contact blade setting of the flexible circuit board exists
On the leading flank of battery pack body and it is directed downward arrangement, the FPC connector setting on the battery management system control panel exists
The upper end and direction of battery management system control panel are upwardly disposed.
4. battery pack according to claim 2 or 3, which is characterized in that crimping buckle is provided on the FPC connector,
Crimping buckle being fixedly connected for realizing FPC conductive contact blade and FPC connector.
5. battery pack according to claim 1 or 2 or 3, which is characterized in that the flexible circuit board includes soft-circuit board,
The soft-circuit board includes temperature acquisition layer, voltage acquisition layer and is set to exhausted between temperature acquisition layer and voltage acquisition layer
Edge layer, the Wiring port of described flexible circuit board one end include temperature acquisition port and voltage acquisition port, the data acquisition
Element includes temperature acquisition element and voltage acquisition element, and the temperature acquisition port is described for connecting temperature acquisition element
Voltage acquisition port is for connecting voltage acquisition element.
6. a kind of vehicle, including vehicle body and battery pack, the battery pack include battery pack body, the battery pack body by
At least one battery module is constituted, and is tiled and is provided with for acquiring associated batteries module on the upper surface of the battery pack body
The flexible circuit board of data information, the data acquisition element of the Wiring port of flexible circuit board one end and the associated batteries module
It is connected, the other end of the flexible circuit board is the signal output end of flexible circuit board, which is characterized in that the battery pack sheet
Being sticked on the leading flank of body has battery management system control panel, and the flexible circuit board is folded by the upper surface of battery pack body
On the leading flank of battery pack body, it is provided on the battery management system control panel for the signal with the flexible circuit board
The signal input interface of output end connection.
7. vehicle according to claim 6, which is characterized in that the signal output end of the flexible circuit board is FPC conductive
Contact, the signal input interface on the battery management system control panel is that the FPC cooperated with the FPC conductive contact blade is connect
Device.
8. vehicle according to claim 7, which is characterized in that the FPC conductive contact blade of the flexible circuit board is arranged in electricity
On the leading flank of pond group ontology and it is directed downward arrangement, the FPC connector on the battery management system control panel is arranged in electricity
The upper end and direction of pond management system control panel are upwardly disposed.
9. vehicle according to claim 7 or 8, which is characterized in that be provided with crimping buckle, institute on the FPC connector
State crimping buckle being fixedly connected for realizing FPC conductive contact blade and FPC connector.
10. vehicle described according to claim 6 or 7 or 8, which is characterized in that the flexible circuit board includes soft-circuit board, institute
Stating soft-circuit board includes temperature acquisition layer, voltage acquisition layer and the insulation being set between temperature acquisition layer and voltage acquisition layer
Layer, the Wiring port of described flexible circuit board one end include temperature acquisition port and voltage acquisition port, the data acquisition member
Part includes temperature acquisition element and voltage acquisition element, and the temperature acquisition port is for connecting temperature acquisition element, the electricity
Pressure acquisition port is for connecting voltage acquisition element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920286513.1U CN209515833U (en) | 2019-03-06 | 2019-03-06 | A kind of battery pack and a kind of vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920286513.1U CN209515833U (en) | 2019-03-06 | 2019-03-06 | A kind of battery pack and a kind of vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN209515833U true CN209515833U (en) | 2019-10-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920286513.1U Active CN209515833U (en) | 2019-03-06 | 2019-03-06 | A kind of battery pack and a kind of vehicle |
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| Country | Link |
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| CN (1) | CN209515833U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114156551A (en) * | 2021-11-26 | 2022-03-08 | 冯凯 | Battery system and control method of battery system |
| WO2022126953A1 (en) * | 2020-12-16 | 2022-06-23 | 比亚迪股份有限公司 | Battery information sampling component, battery module, and battery pack |
-
2019
- 2019-03-06 CN CN201920286513.1U patent/CN209515833U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022126953A1 (en) * | 2020-12-16 | 2022-06-23 | 比亚迪股份有限公司 | Battery information sampling component, battery module, and battery pack |
| CN114156551A (en) * | 2021-11-26 | 2022-03-08 | 冯凯 | Battery system and control method of battery system |
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