CN206664313U - The security protection system and battery system of battery system - Google Patents
The security protection system and battery system of battery system Download PDFInfo
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- CN206664313U CN206664313U CN201720244938.7U CN201720244938U CN206664313U CN 206664313 U CN206664313 U CN 206664313U CN 201720244938 U CN201720244938 U CN 201720244938U CN 206664313 U CN206664313 U CN 206664313U
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- battery
- security protection
- battery pack
- warning signal
- monitoring apparatus
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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Abstract
The security protection system and battery system of a kind of battery system are the utility model is related to, the security protection system includes gas monitoring apparatus；Gas monitoring apparatus is used to be connected to battery management system, and when the concentration of the characteristic gas sent in battery pack in detecting battery system is more than the first predetermined threshold value, pre-warning signal is sent to battery management system；Wherein, battery management system is connected to the high-voltaghe compartment in entire car controller and battery system, and high-voltaghe compartment is connected to form controlled loop with battery pack；Battery management system is used for when receiving pre-warning signal, and pre-warning signal is sent to entire car controller；Entire car controller is used for the instruction for sending to high-voltaghe compartment the internal circuit for cutoff high case by battery management system when receiving pre-warning signal, so that controlled loop disconnects.The utility model with the real-time management and control to battery failure risk, when failure risk be present can autonomous break-make, realize the passive security protection to battery pack, ensured the safe operation of battery pack.
Description
Technical field
The utility model is related to battery protection technical field, a kind of security protection system more particularly, to battery system and
Battery system.
Background technology
Battery system is under overcharge or long-time high current working condition, and the temperature of battery pack can raise, serious feelings
The safe to use of thermal runaway entail dangers to battery pack may occur under condition.Because numerous batteries are that arranged adjacent forms, heat pole
Easily diffusion, so as to cause other batteries that thermal runaway occurs, such chain reaction will greatly increase the failure wind of battery system
Danger.
The safe to use of existing current battery system is monitored typically by battery management system (BMS), is
A kind of active safety safeguard procedures.But there is certain failure risk as integrated circuit in BMS management systems.Therefore how to be lifted
Security during battery pack use, particularly passive safety are particularly important.
Utility model content
(1) technical problem solved
The utility model provides a kind of security protection system and battery system of battery system, solves electric in the prior art
The low technical problem of security during the group use of pond.
(2) technical scheme
In a first aspect, the security protection system of battery system provided by the utility model includes gas monitoring apparatus；It is described
Gas monitoring apparatus is used to be connected to battery management system, and the feature gas that battery pack is sent in the battery system is detected
When the concentration of body is more than the first predetermined threshold value, pre-warning signal is sent to the battery management system；
Wherein, the battery management system is connected to the high-voltaghe compartment in entire car controller and battery system, the high-voltaghe compartment
It is connected to form controlled loop with the battery pack；The battery management system is used for when receiving the pre-warning signal, by institute
Pre-warning signal is stated to send to the entire car controller；The entire car controller is used to pass through institute when receiving the pre-warning signal
The instruction that battery management system sends the internal circuit for cutting off the high-voltaghe compartment to the high-voltaghe compartment is stated, so that described controlled
Loop disconnects.
Optionally, the entire car controller is additionally operable to, when receiving the pre-warning signal, the pre-warning signal be fed back
To user.
Optionally, the security protection system also includes：Power supply, controlling switch and relay, wherein：The gas monitor
Device is additionally coupled to the controlling switch, and is used for the dense of the characteristic gas that battery pack is sent in the battery system is detected
When degree is more than the first predetermined threshold value, control the controlling switch to disconnect, otherwise control the controlling switch to close；The relay
Control terminal, the power supply and the controlling switch connect to form control loop；The controlled end of the relay is suitable to and institute
Battery pack is stated to connect to form controlled loop with the high-voltaghe compartment.
Optionally, the gas monitoring apparatus is also connected with the power supply.
Optionally, the security protection system also includes extinguishing device, the extinguishing device and the gas monitoring apparatus
Connection, and the gas monitoring apparatus is additionally operable to the dense of the characteristic gas that the battery pack in the battery system is detected is sent
When degree is more than the sign battery pack the second predetermined threshold value on fire, start the extinguishing device.
Optionally, the security protection system also includes the hand switch being arranged in the control loop.
Optionally, the controlling switch is normally closed switch.
Optionally, the characteristic gas includes VOC.
Second aspect, battery system provided by the utility model include battery pack and high-voltaghe compartment, in addition to above-mentioned safety is prevented
Protecting system.
(3) beneficial effect
The security protection system and battery system of battery system provided by the utility model, battery pack is sent in battery system
Characteristic gas concentration when being more than the first predetermined threshold value, send pre-warning signal to battery management system；When battery management system connects
The pre-warning signal is sent to entire car controller when receiving the pre-warning signal, generates and uses when entire car controller receives the signal
In the instruction for the internal circuit for cutting off the high-voltaghe compartment, and the instruction is sent to battery management system, the battery management system
The instruction is sent to high-voltaghe compartment by system, and the internal circuit of the high-voltaghe compartment disconnects, so that controlled loop disconnects, and then battery
Group can not be load supplying.Judge whether to need cutoff high it can be seen that this is the concentration of the characteristic gas sent according to battery pack
The internal circuit of case, and then it can be load supplying to control battery pack, therefore security protection system provided by the utility model can
With the real-time management and control to battery failure risk, when failure risk be present can autonomous break-make, realize to the passive of battery pack
Security protection, the safe operation of battery pack is ensured.
Brief description of the drawings
, below will be to embodiment or existing in order to illustrate more clearly of the embodiment of the present disclosure or technical scheme of the prior art
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some disclosed embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these figures.
Fig. 1 shows the structural representation of battery system in the embodiment of the utility model one；
Description of reference numerals：
1- battery packs；2- gas monitoring apparatus；3- relays；The control terminal of 31- relays；The controlled end of 32- relays；
4- power supplys；5- controlling switches；6- hand switches；7- high-voltaghe compartments；8- battery management systems；9- entire car controllers.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present disclosure, the technical scheme in the embodiment of the present disclosure is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole embodiments.
Based on the embodiment in the disclosure, those of ordinary skill in the art are obtained all under the premise of creative work is not made
Other embodiment, belong to the scope of disclosure protection.
In a first aspect, the utility model provides a kind of security protection system of battery system, as shown in figure 1, this is anti-safely
Protecting system includes gas monitoring apparatus 2；The gas monitoring apparatus 2 is used to be connected to battery management system 8, and detecting
When stating the concentration of the characteristic gas that battery pack 1 is sent in battery system and being more than the first predetermined threshold value, to the battery management system 8
Send pre-warning signal；
Wherein, the battery management system 8 is connected to the high-voltaghe compartment 7 in entire car controller 9 and battery system, the high pressure
Case 7 is connected to form controlled loop with the battery pack 1；The battery management system 8 is used for when receiving the pre-warning signal,
The pre-warning signal is sent to the entire car controller 9；The entire car controller 9 is used for when receiving the pre-warning signal
The instruction of the internal circuit for cutting off the high-voltaghe compartment 7 is sent to the high-voltaghe compartment 7 by the battery management system 8, with
Disconnect the controlled loop.
It will be appreciated that the concentration for not sending characteristic gas or characteristic gas when battery system is default less than or equal to first
During threshold value, characterize battery system and be in normal operating conditions；Once the characteristic gas that the battery pack 1 in battery system is sent is dense
When degree is higher than the first predetermined threshold value, the battery for existing in battery system and failing is characterized, battery system enters non-normal working
State, i.e. failure state.
It will be appreciated that so-called characteristic gas can be carbon monoxide etc. or VOC, it is right
In different types of battery, the species of characteristic gas is different, and this utility model is not limited.
It will be appreciated that so-called high-voltaghe compartment, refers to the bridge between battery pack and load, battery in existing battery system
Group is load supplying by high-voltaghe compartment.
In security protection system provided by the utility model, the characteristic gas concentration that battery pack 1 is sent in battery system is big
When the first predetermined threshold value, pre-warning signal is sent to battery management system 8；When battery management system 8 receives the pre-warning signal
When the pre-warning signal is sent to entire car controller 9, generated when entire car controller 9 receives the signal for cutting off the height
The instruction of the internal circuit of case 7 is pressed, and the instruction is sent to battery management system 8, the battery management system 8 and instructs this
High-voltaghe compartment 7 is sent to, the internal circuit of the high-voltaghe compartment 7 disconnects, so that controlled loop disconnects, and then battery pack 1 can not
For load supplying.Judge whether to need cutoff high case 7 it can be seen that this is the concentration of the characteristic gas sent according to battery pack 1
Internal circuit, and then it can be load supplying to control battery pack 1, therefore security protection system provided by the utility model can be right
The real-time management and control of battery failure risk, when failure risk be present can autonomous break-make, realize the passive security to battery pack 1
Protection, has ensured the safe operation of battery pack 1.
It will be appreciated that above-mentioned control mode is properly termed as high-voltaghe compartment control mode.
In the specific implementation, above-mentioned entire car controller 9 can be also used for, when receiving pre-warning signal, the early warning being believed
Number user is fed back to, such as be shown on the control board of vehicle, so that user obtains the use state of current battery.
In the specific implementation, as shown in figure 1, security protection system provided by the utility model can also include power supply 4, control
System switch 5 and relay 3, wherein：
The gas monitoring apparatus 2 is additionally coupled to the controlling switch 5, and for electric in the battery system is detected
When the concentration for the characteristic gas that pond group 1 is sent is more than the first predetermined threshold value, controls the controlling switch 5 to disconnect, otherwise control institute
Controlling switch 5 is stated to close；Control terminal 31, the power supply 4 and the connection of the controlling switch 5 of the relay 3 form control
Loop；The controlled end 32 of the relay 3 is suitable to be connected with the battery pack 1 and the high-voltaghe compartment 7 and to form controlled loop.
When the concentration that battery system does not send characteristic gas or characteristic gas is less than or equal to the first predetermined threshold value, control
Switch 5 is in closure state, and the control loop that the control terminal 31 of such power supply 4, controlling switch 5 and relay 3 is formed turns on, electricity
Source 4 is in running order, so that controlled loop turns on, and then allows battery pack 1 to be external power supply.In battery system
In the concentration of characteristic gas that sends of battery pack 1 when being more than the first predetermined threshold value, controlling switch 5 is in open mode, so
The control loop that the control terminal 31 of power supply 4, controlling switch 5 and relay 3 is formed disconnects, and power supply 4 is in off working state, and then
So that controlled loop disconnects so that battery pack 1 can not be extraneous power supply.Here, realized using gas monitoring apparatus 2 to feature gas
The detection of bulk concentration, the break-make of above-mentioned controlling switch 5 is controlled according to concentration, and then control loop is turned on or off, finally
Realization is controlled to being turned on or off for controlled loop, realizes whether control battery pack 1 can be extraneous load supplying.Which
It is properly termed as relay control mode.
Here, on the basis of high-voltaghe compartment control mode is set, there is provided relay control mode, plays duplicate protection
Effect, it can not be load supplying to further ensure the battery pack 1 when characteristic gas concentration is higher than the first predetermined threshold value.
On the basis of relay control mode is set, as shown in figure 1, can by gas monitoring apparatus 2 also with the electricity
Source 4 connects, and is that gas monitoring apparatus 2 is powered using above-mentioned power supply 4, certain gas monitoring apparatus 2 can use single power supply 4
Power supply, is not limited this utility model.
On the basis of relay control mode is set, as shown in figure 1, can also be set in the control loop on the other hand
Dynamic switch 6, in the case that so only hand switch 6 is in closure state, gas monitoring apparatus 2 closes to controlling switch 5
After closing operation, this control loop just has conducting.Therefore the mode of the hand switch 6 can be manually operated, selection is
It is no to use relay control mode.
For example, when user selects hand switch 6 to close, gas monitoring apparatus 2 can be according to the dense of characteristic gas
The closure of degree control controlling switch 5, and then control loop is turned on or off, being turned on or off for controlled loop is then controlled,
Then it can be load supplying to control battery pack 1.When user select hand switch 6 disconnect when, gas monitoring apparatus 2 even from
The concentration of characteristic gas closes controlling switch 5, but control loop is still within the state disconnected, and controlled loop, which is in, to be disconnected
State.It can be seen that when hand switch 6 closes, simultaneous selection relay control mode and high-voltaghe compartment control mode, and when manual
When switch 6 disconnects, high-voltaghe compartment control mode can only be used.
In the specific implementation, security protection system provided by the utility model can also include extinguishing device, the fire extinguishing
Device is connected with the gas monitoring apparatus 2, and the gas monitoring apparatus 2 is additionally operable in the battery system is detected
When the concentration for the characteristic gas that battery pack 1 is sent is more than the sign battery pack 1 second predetermined threshold value on fire, gone out described in startup
Fiery device.Here, when battery catches fire, start extinguishing device, battery pack 1 is put out a fire using extinguishing device.It is intelligible
It is that above-mentioned first predetermined threshold value is less than above-mentioned second predetermined threshold value.
In the specific implementation, enclosed battery system can be selected, the gas monitoring apparatus 2 can be arranged on institute
The inside of battery system is stated, the characteristic gas and improve concentration that more the battery pack 1 easily in collection battery system is sent
The degree of accuracy of detection.
In the specific implementation, controlling switch 5 can use normally closed switch, so only need the concentration in characteristic gas to be more than
Operation is just controlled during the first predetermined threshold value, naturally it is also possible to use other kinds of switch.
Second aspect, the utility model provide a kind of battery system, and the battery system includes battery pack 1 and high-voltaghe compartment 7, also
Including any of the above-described security protection system.
It will be appreciated that battery system provided by the utility model includes above-mentioned security protection system, therefore have inside the Pass
The explanation of appearance, illustration, optional embodiment, beneficial effect etc. may be referred to the corresponding portion in above-mentioned security protection system
Point, repeat no more here.
It should be noted that although in safety device provided by the utility model and battery system, certain module relates to
And to computer program, but improvements of the present utility model are not here, but phase can be realized in the prior art by utilizing
Answer the hardware module of function to realize, for example, gas monitoring apparatus therein completely can use can gather gas in the prior art
And the module with simple analysis ability is realized, therefore the utility model is not directed to the improvement of method.
In summary：
The security protection system and battery system for the battery system that the utility model embodiment provides, battery in battery system
When the characteristic gas concentration that group is sent is more than the first predetermined threshold value, pre-warning signal is sent to battery management system；Work as battery management
The pre-warning signal is sent to entire car controller when system receives the pre-warning signal, when entire car controller receives the signal
The instruction of the internal circuit for cutting off the high-voltaghe compartment is generated, and the instruction is sent to battery management system, the battery
The instruction is sent to high-voltaghe compartment by management system, and the internal circuit of the high-voltaghe compartment disconnects, so that controlled loop disconnects, entered
And battery pack can not be load supplying.It can be seen that this, which is the concentration of the characteristic gas sent according to battery pack, judges whether that needs are cut
The internal circuit of disconnected high-voltaghe compartment, and then it can be load supplying to control battery pack, therefore security protection provided by the utility model
System can to the real-time management and control of battery failure risk, when failure risk be present can autonomous break-make, realize to battery pack
Passive security protection, ensured the safe operation of battery pack.
In specification of the present utility model, numerous specific details are set forth.It is to be appreciated, however, that reality of the present utility model
Applying example can put into practice in the case of these no details.In some instances, known method, knot is not been shown in detail
Structure and technology, so as not to obscure the understanding of this description.
Above example is only to illustrate the technical solution of the utility model, rather than its limitations；Although with reference to foregoing reality
Example is applied the utility model is described in detail, it will be understood by those within the art that；It still can be to preceding
State the technical scheme described in each embodiment to modify, or equivalent substitution is carried out to which part technical characteristic；And these
Modification is replaced, and the essence of appropriate technical solution is departed from the spirit and model of various embodiments of the utility model technical scheme
Enclose.
Claims (9)
1. a kind of security protection system of battery system, it is characterised in that including gas monitoring apparatus；The gas monitoring apparatus
For being connected to battery management system, and the concentration for the characteristic gas that battery pack is sent is more than in the battery system is detected
During the first predetermined threshold value, pre-warning signal is sent to the battery management system；
Wherein, the battery management system is connected to the high-voltaghe compartment in entire car controller and battery system, the high-voltaghe compartment and institute
Battery pack is stated to connect to form controlled loop；The battery management system is used for when receiving the pre-warning signal, will be described pre-
Alert signal is sent to the entire car controller；The entire car controller is used to pass through the electricity when receiving the pre-warning signal
Pond management system sends the instruction of the internal circuit for cutting off the high-voltaghe compartment to the high-voltaghe compartment, so that the controlled loop
Disconnect.
2. security protection system according to claim 1, it is characterised in that the entire car controller is additionally operable to receiving
During the pre-warning signal, the pre-warning signal is fed back into user.
3. security protection system according to claim 1, it is characterised in that also include：Power supply, controlling switch and relay
Device, wherein：
The gas monitoring apparatus is additionally coupled to the controlling switch, and for the battery pack hair in the battery system is detected
When the concentration of the characteristic gas gone out is more than the first predetermined threshold value, control the controlling switch to disconnect, otherwise control the control to open
Close and close；The control terminal of the relay, the power supply and the controlling switch connect to form control loop；The relay
Controlled end be suitable to be connected with the battery pack and the high-voltaghe compartment and to form controlled loop.
4. security protection system according to claim 3, it is characterised in that the gas monitoring apparatus also with the power supply
Connection.
5. security protection system according to claim 3, it is characterised in that also including extinguishing device, the extinguishing device
It is connected with the gas monitoring apparatus, and the gas monitoring apparatus is additionally operable to the battery pack in the battery system is detected
When the concentration of the characteristic gas sent is more than the sign battery pack the second predetermined threshold value on fire, start the extinguishing device.
6. security protection system according to claim 3, it is characterised in that also include being arranged in the control loop
Hand switch.
7. security protection system according to claim 3, it is characterised in that the controlling switch is normally closed switch.
8. according to any described security protection system of claim 1~7, it is characterised in that the characteristic gas includes volatilization
Property organic compound.
9. a kind of battery system, including battery pack and high-voltaghe compartment, it is characterised in that also any described including claim 1~8
Security protection system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720244938.7U CN206664313U (en) | 2017-03-14 | 2017-03-14 | The security protection system and battery system of battery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720244938.7U CN206664313U (en) | 2017-03-14 | 2017-03-14 | The security protection system and battery system of battery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206664313U true CN206664313U (en) | 2017-11-24 |
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ID=60377416
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720244938.7U Active CN206664313U (en) | 2017-03-14 | 2017-03-14 | The security protection system and battery system of battery system |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106864291A (en) * | 2017-03-14 | 2017-06-20 | 上海国轩新能源有限公司 | The security protection system and battery system of battery system |
-
2017
- 2017-03-14 CN CN201720244938.7U patent/CN206664313U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106864291A (en) * | 2017-03-14 | 2017-06-20 | 上海国轩新能源有限公司 | The security protection system and battery system of battery system |
| CN106864291B (en) * | 2017-03-14 | 2020-01-03 | 上海国轩新能源有限公司 | Safety protection system of battery system and battery system |
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