CN208809369U - A kind of lithium battery box fire alarm and guard system - Google Patents
A kind of lithium battery box fire alarm and guard system Download PDFInfo
- Publication number
- CN208809369U CN208809369U CN201820992877.7U CN201820992877U CN208809369U CN 208809369 U CN208809369 U CN 208809369U CN 201820992877 U CN201820992877 U CN 201820992877U CN 208809369 U CN208809369 U CN 208809369U
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- Prior art keywords
- lithium battery
- fire alarm
- battery box
- fire
- protective device
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Abstract
The utility model provides a kind of lithium battery box fire alarm and guard system, it include: fire alarm and protective device with container, the fire alarm and protective device are connected at least one fire case detector, wherein the fire case detector is suitable for environmental data in monitoring lithium battery box；After environmental data is more than given threshold in lithium battery box, fire alarm and protective device starting container put out a fire to the battery case.Such lithium battery box fire alarm and guard system, pass through the environmental data in fire case detector real-time monitoring lithium battery box, and after the environmental data has been more than given threshold, fire alarm and protective device are triggered starting, are put out a fire by container to the battery case.
Description
Technical field
The utility model relates to fire alarm fields, and in particular to a kind of lithium battery box fire alarm and guard system.
Background technique
Currently, lithium battery in new energy field using very extensive, at present in new-energy automobile field, using several lithiums electricity
The battery modules that pond case is constituted；And since the chemical property of lithium battery is very active, there are some potential safety problemss.
To sum up, it is necessary for being capable of providing one kind and capable of monitoring the early warning system of lithium battery state.
Utility model content
The utility model is in order to provide a kind of lithium battery box fire alarm and guard system that can monitor lithium battery state.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of lithium battery box fire alarm and protection
System, comprising:
Fire alarm and protective device with container, the fire alarm and protective device are connected at least one fire behavior
Detector, wherein
The fire case detector is suitable for environmental data in monitoring lithium battery box, and environmental data in lithium battery box is sent to
Fire alarm and protective device.
Preferably, the fire case detector includes carbon monoxide transducer.
Preferably, the fire case detector further includes amplifying circuit, wherein
The amplifying circuit is suitable for amplifying the output signal of the carbon monoxide transducer and passes it to the fire
Control module in alarm and protective device.
Preferably, the amplifying circuit includes two-stage amplifying circuit, i.e.,
Two in-phase proportion computing circuits are arranged in series.
Preferably, the fire case detector further includes smoke monitoring sensor.
Preferably, the fire case detector further includes temperature monitoring sensor, wherein
The temperature monitoring sensor is suitable for monitoring the temperature in lithium battery box and when temperature detection value reaches temperature pre-warning
When threshold value, the fire alarm and protective device control container fire extinguishing.
Preferably, including the driving device opened suitable for triggering container in the fire alarm and protective device；
The driving device is located at the container value at container outlet, when environmental data is more than setting threshold in lithium battery box
After value, the control module in the fire alarm and protective device controls the blowout disk in driving device bursting container value, with
Discharge extinguishing chemical.
The utility model has the beneficial effects that such lithium battery box fire alarm and guard system, pass through fire case detector reality
When monitoring lithium battery box in environmental data, may include CO gas and/or smoke data, temperature value, pass through majority
The detection accuracy to environment in lithium battery box is improved according to monitoring, improves the fire safety of lithium battery box.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the functional block diagram of the first embodiment of a kind of lithium battery box fire alarm of the utility model and guard system.
Fig. 2 is a kind of circuit diagram of embodiment of the utility model carbon monoxide transducer.
Fig. 3 is a kind of circuit diagram of embodiment of the utility model temperature monitoring sensor.
Fig. 4 is the connection circuit diagram of the utility model fire case detector and control module.
Fig. 5 is a kind of circuit diagram of embodiment of the utility model smoke monitoring sensor.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model
Limitation.On the contrary, the embodiments of the present invention include falling into owning within the scope of the spirit and intension of attached claims
Variation, modification and equivalent.
In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply relatively important
Property.In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " connected " " connects
Connect " it shall be understood in a broad sense, for example, it may be being fixedly connected, it may be a detachable connection, or be integrally connected；It can be machine
Tool connection, is also possible to be electrically connected；It can be directly connected, it can also be indirectly connected through an intermediary.For this field
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.In addition, in this reality
With in novel description, unless otherwise indicated, the meaning of " plurality " is two or more.
Fig. 1 is a kind of functional block diagram of embodiment of a kind of lithium battery box fire alarm of the utility model and guard system.
As shown in Figure 1, the utility model provides specific embodiment one, a kind of lithium battery box fire alarm and protection system
System, comprising: fire alarm and protective device with container have a control mould in this kind of fire alarm and protective device
Block, for the present embodiment, the core processor of control module be can be, but not limited to using STC series monolithic such as
STC12C5A60S2, and can be by the way of the prior arts such as serial ports or the connection of CAN bus and conventional wires and fiery
Feelings detector is electrically connected to each other, and fire alarm and protective device are connected with a fire case detector, and wherein fire case detector is suitable for
Monitor environmental data in lithium battery box；After environmental data is more than given threshold in lithium battery box, fire alarm and protective device
Starting container puts out a fire to the battery case.
For environmental data in case, CO gas, temperature value, smoke data and and and fire can be, but not limited to
The relevant corresponding gas data of fire behavior.
In the present embodiment, carbon monoxide transducer, temperature monitoring sensor and smoke monitoring sensor are selected, other
The detection circuit of corresponding gas can also be added in this fire case detector.
In the present embodiment, fire case detector includes carbon monoxide transducer.The carbon monoxide transducer is for detecting lithium
The carbon monoxide value of battery generation simultaneously passes it to control module, and when the value is higher than given threshold, control module can be made
It reacts and controls the work of other device reactions in fire alarm and protective device, for generating the lithium battery of excess carbon monoxide
Spray fire extinguishing agent is put out a fire.
Fig. 2 is a kind of circuit diagram of embodiment of the utility model carbon monoxide transducer.
Figure it is seen that carbon monoxide (CO) sensor is then to pass through an amplifying circuit from interface J1 grafting,
Middle amplifying circuit is suitable for amplifying the output signal of carbon monoxide transducer and passes it in fire alarm and protective device
Control module.Amplifying circuit includes two-stage amplifying circuit, i.e., two in-phase proportion computing circuits are arranged in series.Pass through amplifying circuit
And the setting of two-stage amplifying circuit, signal output is able to after amplifying twice, control module is transmitted further to.Wherein, resistance
R8 and resistance R9 plays the effect of signal partial pressure, and resistance R7 is balance resistance, and resistance R10 is feedback resistance, likewise, resistance R1
For balance resistance, R15 is feedback resistance.The resistance value ratio of resistance R10 and resistance R8 can be 10 times.Same resistance R15 and resistance
The resistance value ratio of R13 is also possible to 10 times；Port A1 is the output end of this amplifying circuit.
In the present embodiment, fire case detector further includes temperature monitoring sensor, and wherein temperature monitoring sensor is suitable for prison
Survey the temperature in lithium battery box and when temperature detection value reaches temperature pre-warning threshold value, fire alarm and protective device control container
Fire extinguishing.The temperature monitoring sensor is preferably in the present embodiment temperature sensing cable, and this temperature sensing cable is looped around lithium battery
Around so as to realize lithium battery circumferential direction temperature monitoring.When its some circumferential point temperature occurs more than temperature pre-warning
Threshold value, then control module will react and control the container work in fire alarm and protective device, for being more than temperature
The lithium battery ejecting extinguishing of threshold value of warning.
Fig. 3 is a kind of circuit diagram of embodiment of the utility model temperature monitoring sensor.
In the present embodiment, temperature monitoring sensor is temperature sensing cable, as shown in figure 3, temperature sensing cable can connect from interface J5
Enter, temperature sensing cable is electrically connected by pull-up resistor R1 with high level 5V, and is exported by port A0.
Fig. 4 is the connection circuit diagram of the utility model fire case detector and control module.
In Fig. 4, interface J3 is to be connected to the control module interface, and port A0 and port A1 respectively correspond temperature sensing cable
The output end of output end and amplifying circuit, 2 feet of J3 are the feeder ear of this fire case detector；Interface J3 can be connected by conducting wire
Mode is connected with the feeder ear in the signal AD collection terminal of core processor in control module and control module.
Second of embodiment as lithium battery box fire alarm and guard system.
Fire case detector can also include smoke monitoring sensor, or carbon monoxide (CO) sensor is replaced with smog prison
Survey sensor.The smoke monitoring sensor is used to detect the smokescope value of lithium battery generation and passes it to control module,
When the value is higher than given threshold, control module can react and to control other devices in fire alarm and protective device anti-
It should work, put out a fire for target lithium battery spray fire extinguishing agent.
Fig. 5 is a kind of circuit diagram of embodiment of the utility model smoke monitoring sensor.
In Fig. 5, U1 is smoke monitoring sensor, and resistance R2 and capacitor C2 constitute filter circuit, reduces interference signal, end
Mouth A1 is the output end of smoke monitoring sensor.
Temperature monitoring sensor and other electricity in second of embodiment of lithium battery box fire alarm and guard system
Road is identical as the first embodiment.
In both examples above, this lithium battery box fire alarm and guard system are supervised in real time by fire case detector
The environmental data in lithium battery box is surveyed, may include CO gas and/or smoke data, temperature value, by majority according to prison
The detection accuracy improved to environment in lithium battery box is surveyed, the fire safety of lithium battery box is improved.
It further, can also include being suitable for triggering container in fire alarm and protective device in both examples above
The driving device of unlatching；Driving device is located at the container value at container outlet, and on triggering, signified triggering is exactly herein
For control module triggering, i.e. environmental data is more than given threshold, driving device then can blowout disk in bursting container value, to release
Put extinguishing chemical.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of the term
Stating may not refer to the same embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be
It can be combined in any suitable manner in any one or more embodiment or examples.
It is enlightenment, through the above description, related work people with the above-mentioned desirable embodiment according to the utility model
Member can carry out various changes and amendments in the range of without departing from this item utility model technical idea completely.This item is real
It is not limited to the contents of the specification with novel technical scope, it is necessary to its technology is determined according to scope of the claims
Property range.
Claims (7)
1. a kind of lithium battery box fire alarm and guard system characterized by comprising
Fire alarm and protective device with container, the fire alarm and protective device are connected with the detection of at least one fire behavior
Device, wherein
The fire case detector is suitable for environmental data in monitoring lithium battery box, and environmental data in lithium battery box is sent to fire
Alarm and protective device.
2. lithium battery box fire alarm as described in claim 1 and guard system, which is characterized in that
The fire case detector includes carbon monoxide transducer.
3. lithium battery box fire alarm as claimed in claim 2 and guard system, which is characterized in that
The fire case detector further includes amplifying circuit, wherein
The amplifying circuit is suitable for amplifying the output signal of the carbon monoxide transducer and passes it to the fire alarm
With the control module in protective device.
4. lithium battery box fire alarm as claimed in claim 3 and guard system, which is characterized in that
The amplifying circuit includes two-stage amplifying circuit, i.e.,
Two in-phase proportion computing circuits are arranged in series.
5. lithium battery box fire alarm as described in claim 1 and guard system, which is characterized in that
The fire case detector further includes smoke monitoring sensor.
6. lithium battery box fire alarm and guard system as described in Claims 1 to 5 is any, which is characterized in that
The fire case detector further includes temperature monitoring sensor, wherein
The temperature monitoring sensor is suitable for monitoring the temperature in lithium battery box and when temperature detection value reaches temperature pre-warning threshold value
When, the fire alarm and protective device control container are put out a fire.
7. lithium battery box fire alarm as claimed in claim 6 and guard system, which is characterized in that
It include the driving device opened suitable for triggering container in the fire alarm and protective device；
The driving device is located at the container value at container outlet, when environmental data is more than given threshold in lithium battery box
Afterwards, the blowout disk in the control module control driving device bursting container value in the fire alarm and protective device, to release
Put extinguishing chemical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820992877.7U CN208809369U (en) | 2018-06-26 | 2018-06-26 | A kind of lithium battery box fire alarm and guard system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820992877.7U CN208809369U (en) | 2018-06-26 | 2018-06-26 | A kind of lithium battery box fire alarm and guard system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208809369U true CN208809369U (en) | 2019-05-03 |
Family
ID=66270054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820992877.7U Expired - Fee Related CN208809369U (en) | 2018-06-26 | 2018-06-26 | A kind of lithium battery box fire alarm and guard system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208809369U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110559576A (en) * | 2019-09-10 | 2019-12-13 | 上海联界汽车科技有限公司 | fire suppression method and system for lithium ion battery box |
| CN112435428A (en) * | 2019-08-07 | 2021-03-02 | 北汽福田汽车股份有限公司 | New energy automobile and fire alarm system and method thereof |
-
2018
- 2018-06-26 CN CN201820992877.7U patent/CN208809369U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112435428A (en) * | 2019-08-07 | 2021-03-02 | 北汽福田汽车股份有限公司 | New energy automobile and fire alarm system and method thereof |
| CN112435428B (en) * | 2019-08-07 | 2022-11-25 | 北汽福田汽车股份有限公司 | New energy automobile and fire alarm system and method thereof |
| CN110559576A (en) * | 2019-09-10 | 2019-12-13 | 上海联界汽车科技有限公司 | fire suppression method and system for lithium ion battery box |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190503 Termination date: 20210626 |
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| CF01 | Termination of patent right due to non-payment of annual fee |