CN208923306U - Battery pack and vehicle with it - Google Patents
Battery pack and vehicle with it Download PDFInfo
- Publication number
- CN208923306U CN208923306U CN201822110189.6U CN201822110189U CN208923306U CN 208923306 U CN208923306 U CN 208923306U CN 201822110189 U CN201822110189 U CN 201822110189U CN 208923306 U CN208923306 U CN 208923306U
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- voltage
- battery
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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 relates to technical field of vehicle, a kind of battery pack and the vehicle with it are provided, the battery pack includes: battery management system, configured with the first low-voltage interface and detection interface, wherein first low-voltage interface is connected with the detection interface by cable；High-voltage interlocking circuit is connected to the detection interface, powers wherein the battery management system is used for the cutoff high when voltage is not detected in the detection interface；Safety switch is connected between first low-voltage interface and the high-voltage interlocking circuit, and for receiving user's operation with the high-voltage interlocking circuit that is turned on or off.Thus, eliminate the use of Manual maintenance switch MSD, and traditional Manual maintenance switch is substituted using safety switch, high pressure can be disconnected from low-pressure side without disconnecting high voltage component by realizing when battery pack is offline and problem investigation test battery pack, detection of unpacking can be directly carried out, it is easy to operate and highly-safe.
Description
Technical field
The utility model relates to technical field of vehicle, in particular to a kind of battery pack and the vehicle with it.
Background technique
New energy vehicle because being related to high pressure, for human contact's high-voltage safety protection with regard to particularly important, especially human body can
The protection of the high pressure coupling part touched.Main power source of the battery pack as vehicle, it is contemplated that the operation of operator is pacified
Entirely, such as during maintenance conditions, high-voltage electricity need to be disconnected before unpacking, be normally applied Manual maintenance switch MSD at present
To realize the disconnection of high-voltage electricity.
But with the increase year by year that energy density of the industry to battery pack requires, and current battery packet usually will
MSD connect with copper bar and connect with high-voltage interlocking circuit, causes operational safety not high；And MSD battery pack take up space with
Quality is larger, and Manual maintenance switch MSD is caused to need very large space, is unfavorable for the promotion of whole packet energy density, and causes
Other components (copper bar, low voltage wiring harness) increased costs, are also unfavorable for attended operation, so cancelling MSD and using novel electricity
Pond packet framework is current industry problem urgently to be resolved.
Utility model content
In view of this, the utility model is directed to a kind of battery pack, at least to solve in the prior art because of power battery
The problem carried out and operational safety is low is difficult to during maintenance conditions caused by equipment Manual maintenance switch MSD.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of battery pack, the battery pack include: battery management system, are connect configured with the first low-voltage interface and detection
Mouthful, wherein first low-voltage interface is connected with the detection interface by cable；High-voltage interlocking circuit is connected to the detection
Interface is powered wherein the battery management system is used for the cutoff high when voltage is not detected in the detection interface；Safety
Switch, is connected between first low-voltage interface and the high-voltage interlocking circuit, and for receiving user's operation to be connected or
Disconnect the high-voltage interlocking circuit.
Further, the battery management system is configured with the relay powered for the relay circuit for high voltage distribution box
Device ring current port, and the second low-voltage interface being connected with the relay circuit power port, wherein described second is low
Crimping mouth is also connected with safety switch, and the safety switch, which is also connected to the battery, to be connect, wherein the safety switch is also used to
Receive user's operation be turned on or off the battery to the relay circuit power supply.
Further, the battery management system be also configured with battery management system power port and with the battery management
The third low-voltage interface that system power port is connected, wherein the third low-voltage interface is also connected with the battery.
Further, the range of the output voltage of the battery is 9V-16V.
Further, there are four pins for the safety switch configuration, wherein described in the first pin connection of the safety switch
First low-voltage interface, second pin connect the high-voltage interlocking circuit, and third pin connects the battery and the 4th pin
Connect second low-voltage interface.
Further, the battery pack further include: the first protective tube, be connected on the safety switch and the battery it
Between.
Further, the battery pack further include: the second protective tube is connected on the battery and the third low pressure connects
Between mouthful.
Further, the outside of the battery pack is arranged in the safety switch.
Compared with the existing technology, battery pack described in the utility model has the advantage that
Battery pack described in the utility model will test interface and lead to low-voltage interface, and it is formed with safety switch
Closed loop so that can control on-off high-voltage interlocking circuit by safety switch, and accordingly controls the high pressure of on-off power battery
Output.The use of Manual maintenance switch MSD is eliminated as a result, and traditional Manual maintenance switch is substituted using safety switch,
Realize when battery pack is offline and problem investigation test battery pack without disconnect high voltage component can be disconnected from low-pressure side it is high
Pressure, can directly carry out detection of unpacking, easy to operate and highly-safe.
The another object of the utility model is to propose a kind of vehicle, at least to solve in the prior art because power battery fills
The problem carried out and operational safety is low is difficult to during maintenance conditions caused by standby Manual maintenance switch MSD.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of vehicle is provided with the above-mentioned battery pack of the application.
Possessed advantage is identical compared with the existing technology with above-mentioned battery pack for the vehicle, and details are not described herein.
Other features and advantages of the utility model will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new
The exemplary embodiment and its explanation of type are not constituteed improper limits to the present invention for explaining the utility model.
In the accompanying drawings:
Fig. 1 is the structural block diagram of battery pack described in the utility model embodiment；
Fig. 2 is the structural schematic diagram of battery pack described in the utility model embodiment.
Description of symbols:
10 battery pack, 101 battery management system
102 high-voltage interlocking circuit, 103 safety switch
1011 first low-voltage interfaces 1012 detect interface
1013 relay circuit power port, 1,014 second low-voltage interface
20 battery, 1015 battery management system power port
A, 1016 third low-voltage interface of B, C, D pin
104 first protective tube, 105 second protective tube
Specific embodiment
It should be noted that in the absence of conflict, the spy in embodiment and embodiment in the utility model
Sign can be combined with each other.
The utility model is described in detail below with reference to the accompanying drawings and in conjunction with embodiment.
As shown in Figure 1, the battery pack 10 of an embodiment of the present invention, the battery pack 10 include battery management system 101,
High-voltage interlocking circuit 102 and safety switch 103, wherein battery management system 101 is configured with the first low-voltage interface 1011 and detection
Interface 1012.Specifically, high-voltage interlocking circuit 102 is used to detect the integrality of high-pressure system route, working principle be can be
Battery management system 101 provides low-voltage signal (generally 5-12V) to high-voltage interlocking circuit, and is detected by detection port 102
The voltage value of the signal returned shows that high-tension line is likely to be at off state if can't detect the signal voltage of return,
Triggering 101 cutoff high of battery management system power supply at this time；In addition, the type of safety switch 103 can be it is diversified, such as
Enabled switch of safe magnetic switch, safety etc., should not limit herein；Also, detection interface 1012 connects the high-voltage interlocking circuit
102, and the first low-voltage interface 1011 is connected to by cable, it is drawn.Further, safety switch 103 is connected to
Between one low-voltage interface 1011 and high-voltage interlocking circuit 102, so that battery management system 101, high-voltage interlocking circuit 102 and peace
Full switch 103 forms closed loop.High-voltage interlocking circuit can be connected when user's operation is closed safety switch as a result, and with
Family operation can disconnect high-voltage interlocking circuit when disconnecting safety switch, so that detection interface 1012 can't detect voltage, to touch
Send out the high voltage supply of battery management system cutting power battery.
As shown in Fig. 2, the battery pack of another embodiment of the utility model, wherein battery management system 101 is configured with and is used for
For high voltage distribution box relay circuit power relay circuit power port 1013, and with relay circuit power port
1013 the second low-voltage interfaces 1014 being connected, wherein the second low-voltage interface 1014 is also connected with safety switch 103, the safety
Switch 103 is additionally coupled to battery 20, and the range of the output voltage of the battery 20 is 9V-16V (preferably 12V), wherein when
When user's control is closed safety switch 103, the electric power of battery 20 can be led to relay circuit power port 1013, to enable height
The relay closure of block terminal is pressed, and when user's operation disconnects safety switch 103.It can be by battery 20 to relay circuit
The electric power of power port 1013 disconnects, to disconnect the relay；Specifically, the configuration of safety switch 103 there are four pin A, B, C and
D, wherein the first pin A connection first low-voltage interface 1011 of the safety switch, second pin B connection high-voltage interlocking circuit
102, third pin C connect battery 20 and the 4th pin D connection second low-voltage interface via the first protection pipe 104
1014；Thus it can replace Manual maintenance switch MSD completely.The power supply of the relay circuit of high voltage distribution box is thereby turned off, simultaneously
Interlocking loop also will disconnect, and more ensure the safety of maintenance conditions personnel.
Through above description it is found that in the utility model embodiment, either by disconnecting BMS (Battery
Management System, battery management system) relay control circuit power supply directly to turn off high pressure, also can also be logical
Shutdown interlocking loop is crossed to realize that high pressure turns off, provides the scheme of a variety of low voltage control shutdown high pressures.
It is highly preferred that being configured with battery management system power port 1015 and and battery management in battery management system 101
The third low-voltage interface 1016 that system power port 1015 is connected, third low-voltage interface 1016 connect battery 20.Some
In application scenarios, it can be off the first low-voltage interface or the second low-voltage interface, it is thus achieved that in the case where BMS is not powered off
Directly disconnect battery pack high-tension circuit, be more conducive to battery management system BMS in high-tension circuit detection work into
Row, and when the outlet of safety switch circuit is abnormal, battery management system BMS does not have any influence, is able to detect safety switch
The abnormal problem in circuit.
In some preferred embodiments, which further includes being connected between safety switch 103 and battery 20
The first protective tube 104；Can be additionally or alternatively in embodiment, which further includes being connected on third low pressure to connect
The second protective tube 105 between mouth 1016 and battery 20.It is as a result, storage battery power supply setting insurance protection, more improves
The security reliability of circuit system.
In the utility model embodiment, the relay control circuit of battery and BMS are connected using safety switch, and
And safety switch can also be placed on outside battery pack, the inner space of battery pack was not only saved, but also the energy of battery pack can be improved
Metric density；It is connected by two low voltage wiring harness with BMS, wherein one directly to BMS bulk supply, another directly will be with peace
The low voltage wiring harness of full switch and the relay control circuit of BMS connect, and safety switch has 4 pins, and two of them pin connects
Connect crimping beam, other two pin connection interlocking harness can replace Manual maintenance switch MSD completely, be related to unpacking
In the process, directly the safety switch outside battery pack can be disconnected, so that it may by PDU (Power Distribution Unit, height
Press block terminal) relay circuit disconnect, directly disconnect high pressure simultaneously interlocking loop also will disconnect, be further ensured that maintenance conditions
The safety of personnel.In addition, the branch for being provided with separately safety switch enables BMS to disconnect battery pack height in case of constant power
Road is pushed back, the detection to high tension loop is conducive to.This patent solves the problems, such as that battery pack is not necessarily to when offline battery pack and investigation test
It disconnects high voltage component and directly carries out detection of unpacking.By the way that BMS power supply in battery pack and relay control circuit power supply are divided
It opens, and takes a policy in safety switch circuit, also, application safety switch control relay control circuit and high-voltage interlocking return
The on-off on road；The safety and reliability of battery pack high-voltage electrical apparatus operation maintenance can have not only been promoted as a result, but also had fully considered electricity
The convenience of detection circuit when pond packet single-piece is tested.
The utility model embodiment additionally provides a kind of vehicle, which is provided with the battery of the above embodiments of the present application
Packet, which can be pure electric automobile or hybrid vehicle, and belong in the scope of the utility model.In addition, about
The more specific details of this vehicle and effect, can refer to the description above for battery pack embodiment, just do not repeat herein.
The foregoing is merely the better embodiments of the utility model, are not intended to limit the utility model, it is all
Within the spirit and principles of the utility model, it is practical new to should be included in this for any modification, equivalent replacement, improvement and so on
Within the protection scope of type.
Claims (9)
1. a kind of battery pack, which is characterized in that the battery pack includes:
Battery management system, configured with the first low-voltage interface and detection interface, wherein first low-voltage interface and the inspection
Interface is surveyed to connect by cable；
High-voltage interlocking circuit is connected to the detection interface, wherein the battery management system is used in the detection interface
Cutoff high is powered when voltage is not detected；
Safety switch is connected between first low-voltage interface and the high-voltage interlocking circuit, and for receiving user's operation
With the high-voltage interlocking circuit that is turned on or off.
2. battery pack according to claim 1, which is characterized in that the battery management system is configured with for matching for high pressure
The relay circuit power port of the relay circuit power supply of electric box, and be connected with the relay circuit power port the
Two low-voltage interfaces, wherein second low-voltage interface is also connected with safety switch, the safety switch is also connected to the battery
It connects,
Wherein, the safety switch is also used to receive user's operation with the battery that is turned on or off to the relay circuit
Power supply.
3. battery pack according to claim 2, which is characterized in that the battery management system is also configured with battery management system
System power port and the third low-voltage interface being connected with the battery management system power port, wherein the third low pressure connects
Mouth is also connected with the battery.
4. battery pack according to claim 2, which is characterized in that the range of the output voltage of the battery is 9V-
16V。
5. battery pack according to claim 2, which is characterized in that there are four pins for the safety switch configuration, wherein should
First pin of safety switch connects first low-voltage interface, and second pin connects the high-voltage interlocking circuit, third pin
It connects the battery and the 4th pin connects second low-voltage interface.
6. battery pack according to claim 2, which is characterized in that the battery pack further include:
First protective tube is connected between the safety switch and the battery.
7. battery pack according to claim 3, which is characterized in that the battery pack further include:
Second protective tube is connected between the battery and the third low-voltage interface.
8. battery pack described in any one of -7 according to claim 1, which is characterized in that the safety switch is arranged in the electricity
The outside of Chi Bao.
9. a kind of vehicle, which is characterized in that be provided with battery pack described in any one of claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822110189.6U CN208923306U (en) | 2018-12-14 | 2018-12-14 | Battery pack and vehicle with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822110189.6U CN208923306U (en) | 2018-12-14 | 2018-12-14 | Battery pack and vehicle with it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208923306U true CN208923306U (en) | 2019-05-31 |
Family
ID=66712848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822110189.6U Active CN208923306U (en) | 2018-12-14 | 2018-12-14 | Battery pack and vehicle with it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208923306U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110816277A (en) * | 2019-09-29 | 2020-02-21 | 浙江合众新能源汽车有限公司 | Low-voltage MSD control system of pure electric vehicle |
| CN111196159A (en) * | 2020-01-20 | 2020-05-26 | 宁波吉利汽车研究开发有限公司 | Low-voltage maintenance switch device, control method and vehicle |
-
2018
- 2018-12-14 CN CN201822110189.6U patent/CN208923306U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110816277A (en) * | 2019-09-29 | 2020-02-21 | 浙江合众新能源汽车有限公司 | Low-voltage MSD control system of pure electric vehicle |
| CN111196159A (en) * | 2020-01-20 | 2020-05-26 | 宁波吉利汽车研究开发有限公司 | Low-voltage maintenance switch device, control method and vehicle |
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