CN108762330A - Automatic explosion-proof device and battery pack detecting system for power battery pack detection - Google Patents
Automatic explosion-proof device and battery pack detecting system for power battery pack detection Download PDFInfo
- Publication number
- CN108762330A CN108762330A CN201810992878.6A CN201810992878A CN108762330A CN 108762330 A CN108762330 A CN 108762330A CN 201810992878 A CN201810992878 A CN 201810992878A CN 108762330 A CN108762330 A CN 108762330A
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- China
- Prior art keywords
- explosion
- proof
- battery pack
- nitrogen
- electrically
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D16/00—Control of fluid pressure
- G05D16/20—Control of fluid pressure characterised by the use of electric means
- G05D16/2006—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means
- G05D16/2066—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using controlling means acting on the pressure source
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
Abstract
The present invention relates to the explosion-proof detection technique fields of battery pack, more particularly, to a kind of automatic explosion-proof device and battery pack detecting system for power battery pack detection；Include the explosion-proof tank for placing battery packet, be set to explosion-proof tank in video monitoring apparatus, temperature-detecting device, pressure sensor, nitrogen gas conveying device, be set to explosion-proof tank outside explosion-proof relief electrically-controlled valve and controller.The present invention is designed by the automatic explosion-proof device and battery pack detecting system detected for power battery pack, matched explosion-proof test equipment is provided for power battery pack, realize automatic explosion-protection and to battery pack safety detection, record battery pack experiment process status and experiment process temperature in real time, after exploding, releasing pressure automatically, completely cut off air, the explosion of battery pack is avoided, has safety and accuracy high, reliability and complete monitoring.
Description
Technical field
The present invention relates to the explosion-proof detection technique field of battery pack, more particularly, to it is a kind of for power battery pack detection from
Dynamic explosion-protection equipment and battery pack detecting system.
Background technology
Develop with the lean of energy automobile, it is quickly universal, along with energy-saving and environment-friendly spring tide, drive the market of battery
Status becomes increasingly conspicuous.It is single or single group battery can not be applied directly in automotive field, it needs research and development to be combined into battery pack and is answered
With, country has issued a series of experiments authentication requesting to battery pack, wherein Multitest be damage experiment, currently, be often with
It is tested based on thickening brick wall single family house, risk is higher.The existing explosion-proof cell sold in the market is not directed to electricity
The matching unit of Chi Bao experiments, without monitoring and the record for effectively entirely testing battery pack process.
Therefore, regarding to the issue above the present invention be badly in need of provide it is a kind of for power battery pack detection automatic explosion-proof device and
Battery pack detecting system.
Invention content
The purpose of the present invention is to provide a kind of automatic explosion-proof device for power battery pack detection and battery pack detections
System has been solved of the existing technology to thicken brick wall independence by the design of automatic explosion-proof device and battery pack detecting system
It is tested based on house, risk is higher, is not directed to the explosion-proof detection device of matching of battery pack experiment, without effectively to battery
The technical issues of real time monitoring and record of the entire experiment process of packet.
The purpose of the present invention is to provide a kind of automatic explosion-proof devices for power battery pack detection, including are used to place
The explosion-proof tank of battery pack is set in the explosion-proof tank
Pressure sensor, for the real-time detection to the explosion-proof tank internal pressure；
Nitrogen sparge device, for spraying nitrogen to explosion-proof tank inside, to keep pressure stability in the explosion-proof tank,
The air in the explosion-proof tank is discharged simultaneously, makes battery pack and air exclusion；
Outside explosion-proof tank
Nitrogen gas conveying device, for being connect with the nitrogen sparge device, the supplying nitrogen into the explosion-proof tank；
Explosion-proof relief electrically-controlled valve is used for the explosion-proof tank pressure release；
Controller is used for the pressure value according to reception and preset safe pressure threshold comparison, and compiles electrically-controlled valve and open
OFF signal is sent to the explosion-proof relief electrically-controlled valve, and editor's nitrogen conveying switching signal is sent to the nitrogen gas conveying device, with
Control the open and close of the explosion-proof relief electrically-controlled valve and the nitrogen gas conveying device；When pressure value exceeds safe pressure threshold value
When, then the controller sends electrically-controlled valve open signal to the explosion-proof relief electrically-controlled valve, controls the explosion-proof relief electrically-controlled valve
Unlatching, meanwhile, send nitrogen convey open signal to the nitrogen gas conveying device, control opening for the nitrogen gas conveying device
It opens, the nitrogen sparge device sprays nitrogen into the explosion-proof tank；Conversely, then to the explosion-proof relief electrically-controlled valve and the nitrogen
Gas conveying device sends electrically-controlled valve shutdown signal and nitrogen conveys shutdown signal, closes the explosion-proof relief electrically-controlled valve and the nitrogen
Gas conveying device, the nitrogen sparge device stop spray.
Preferably, the inner wall of the explosion-proof tank is equipped with power interface, which connect with the explosion-proof tank external power,
Electric-controlled switch, the pressure sensor, the electricity are also associated on power cord between the power interface and the power supply
Control switch is electrically connected with the controller.
Preferably, the explosion-proof tank is equipped with safety door, and door sensor detector is equipped on the safety door, described for incuding
Safety door closes open state, and the door sensor detector, the electric-controlled switch are electrically connected with the controller.
Preferably, it is equipped with through-hole at the top of the explosion-proof tank, which is connected to the explosion-proof relief electrically-controlled valve, is used for basis
Pressure control instruction adjusts the pressure inside the explosion-proof tank.
Preferably, the nitrogen gas conveying device includes the nitrogen cylinder being connect with the nitrogen sparge device, the nitrogen spray
The pipeline that shower device is connect with the nitrogen cylinder is equipped with nitrogen and conveys electrically-controlled valve, the pressure sensor, nitrogen conveying
Electrically-controlled valve is electrically connected with the controller.
Preferably, further include the equipment compartment adjacent with the explosion-proof tank；The nitrogen cylinder and the controller are installed on institute
It states in equipment compartment.
Preferably, the explosion-proof tank includes frame, and top, bottom and the peripheral wall of the frame are mounted on bursting diaphragm；Wherein,
The bursting diaphragm includes upper plate and lower plate, and asbestos are filled between the upper plate and the lower plate.
Include being examined for power battery pack as described in any among the above the invention also includes a kind of battery pack detecting system
The automatic explosion-proof device of survey further includes the video monitoring apparatus being set in the explosion-proof tank, for the battery pack inside explosion-proof tank
Situation real-time video monitoring；Temperature-detecting device, for the real-time detection to battery pack temperature in explosion-proof tank.
Preferably, the video monitoring apparatus includes the infrared monitoring camera being set on the explosion-proof chamber interior wall, this is red
Outer monitoring camera is electrically connected with the display outside the anti-explosion box body；It is additionally provided with multiple illuminations on the explosion-proof chamber interior wall
Lamp.
Preferably, the temperature-detecting device includes being set to the temp.-sensing wire in the explosion-proof tank and outside the explosion-proof tank
The moisture recorder in portion, the temp.-sensing wire are electrically connected with the moisture recorder outside the explosion-proof tank, described for receiving
The detection signal of warming line, and the temperature of real-time online record battery pack.
A kind of automatic explosion-proof device and battery pack detecting system for power battery pack detection provided by the invention with it is existing
Having technology to compare has following progress：
1, a kind of automatic explosion-proof device for power battery pack detection provided by the invention, by inside and outside the explosion-proof tank
Setting pressure sensor, nitrogen sparge device, nitrogen gas conveying device, explosion-proof relief electrically-controlled valve, controller, for battery pack test
Provide matched antiknock device, it is ensured that the safety of battery pack experiment, accuracy, reliability ensure that the people of testing staff
Body safety, while avoiding the loss of property., by the design of automatic explosion-proof device, provided for battery pack experiment matched anti-
Quick-fried equipment, it is ensured that the safety of battery pack experiment, accuracy, reliability ensure that the personal safety of testing staff, avoid simultaneously
The loss of property.
2, a kind of automatic explosion-proof device for power battery pack detection provided by the invention, by the explosion-proof tank
Wall is equipped with power interface, which connect with the explosion-proof tank external power, between the power interface and the power supply
Power cord on be also associated with electric-controlled switch, the pressure sensor, the electric-controlled switch are electrically connected with the controller.This hair
Power interface in bright includes 12V power interfaces, 24V power interfaces, 220V power interfaces, to meet different battery packs to electricity
The requirement in source, the pressure sensor, the electric-controlled switch are electrically connected with the controller, when pressure value exceeds safe pressure threshold
When value, then controller control explosion-proof relief electrically-controlled valve is opened, meanwhile, controller controls the electric-controlled switch and closes, conversely, then closing
It closes explosion-proof relief electrically-controlled valve and opens electric-controlled switch, realize that automatic control opens and closes power supply, ensure the safety of battery pack experiment.
3, a kind of automatic explosion-proof device for power battery pack detection provided by the invention, by being set on the explosion-proof tank
There is safety door, door sensor detector is installed on the safety door, open state, the door sensor detection are closed for incuding the safety door
Device, the electric-controlled switch are electrically connected with the controller.The present invention, will when door sensor detector detection safety door is closed
Shutdown signal is transferred to the controller, and the controller controls the unlatching of electric-controlled switch, to ensure battery pack and be electrically connected,
When door sensor detector detection safety door is not turned off, signal transmission will be not turned off to the controller, the controller controls institute
The open and close of electric-controlled switch is stated, the safety of testing staff and detection device is protected.
4, a kind of battery pack detecting system provided by the invention, by the infrared monitoring camera with set on described explosion-proof
The design of display electrical connection outside babinet, can will scheme the observation of the battery pack detecting state in the explosion-proof tank
Piece information preserves in the display, and interior four apex angle of the explosion-proof tank is equipped with infrared monitoring camera；The explosion-proof tank
Inner wall is equipped with multiple headlamps, and battery pack situation is clearly observed in guarantee；Temp.-sensing wire with outside the explosion-proof tank
The moisture recorder electrical connection, the detection signal for receiving the warming line, and real-time online record battery pack temperature
Degree.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in being described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, other drawings may also be obtained based on these drawings.
Fig. 1 is heretofore described battery pack detection system structure (sectional view)；
Fig. 2 is heretofore described battery pack detection system structure (front view)；
Fig. 3 is that the electric appliance of the heretofore described automatic explosion-proof device for power battery pack detection connects block diagram.
Reference numeral：
1- explosion-proof tanks；2- pressure sensors；3- nitrogen sparge devices；4- nitrogen gas conveying devices；5- explosion-proof relief electrically-controlled valves；
6- controllers；7- power interfaces；8- safety doors；9- door sensor detectors；10- video monitoring apparatus；101- infrared monitoring cameras；
102- displays；11- temperature-detecting devices；111- temp.-sensing wires；112- moisture recorders；12- headlamps；13- equipment compartments；41-
Nitrogen cylinder；42- pipelines；43- nitrogen conveys electrically-controlled valve.
Specific implementation mode
Technical scheme of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
The every other embodiment that personnel are obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for the description present invention and simplify description, do not indicate or imply the indicated device or element must have a particular orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for description purposes only, and is not understood to indicate or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
As shown in Figure 1, a kind of automatic explosion-proof device for power battery pack detection in the present embodiment, including be used to put
The explosion-proof tank 1 of battery pack is set, the pressure sensor 2 being set in the explosion-proof tank, for the real-time of the explosion-proof tank internal pressure
Detection；Nitrogen sparge device 3, for spraying nitrogen to explosion-proof tank inside, to keep pressure stability in the explosion-proof tank, together
When air in the explosion-proof tank is discharged, make battery pack and air exclusion；Outside the explosion-proof tank：Nitrogen gas conveying device 4,
For being connect with the nitrogen sparge device, the supplying nitrogen into the explosion-proof tank；Explosion-proof relief electrically-controlled valve 5, for described anti-
Quick-fried case pressure release；Controller 6 is used for the pressure value according to reception and preset safe pressure threshold comparison, and compiles electrically-controlled valve
Switching signal is sent to the explosion-proof relief electrically-controlled valve, and editor's nitrogen conveying switching signal is sent to the nitrogen gas conveying device,
To control the open and close of the explosion-proof relief electrically-controlled valve and the nitrogen gas conveying device；When pressure value exceeds safe pressure threshold
When value, then the controller sends electrically-controlled valve open signal to the explosion-proof relief electrically-controlled valve, and it is automatically controlled to control the explosion-proof relief
The unlatching of valve, meanwhile, it sends nitrogen and conveys open signal to the nitrogen gas conveying device, control opening for the nitrogen gas conveying device
It opens, the nitrogen sparge device sprays nitrogen into the explosion-proof tank；Conversely, then to the explosion-proof relief electrically-controlled valve and the nitrogen
Gas conveying device sends electrically-controlled valve shutdown signal and nitrogen conveys shutdown signal, closes the explosion-proof relief electrically-controlled valve and the nitrogen
Gas conveying device, the nitrogen sparge device stop spray；The present invention is tested by the design of automatic explosion-proof device for battery pack
Provide matched antiknock device, it is ensured that the safety of battery pack experiment, accuracy, reliability ensure that the people of testing staff
Body safety, while avoiding the loss of property.
Explosion-proof relief electrically-controlled valve in the present embodiment using Cangzhou shine the production of environmental protection equipment Co., Ltd electromagnetism it is explosion-proof
Valve, pressure sensor use the HPT900 high frequency dynamic pressure transducers of Kunshan Yu Bin Electronic Science and Technology Co., Ltd.s production；Control
Device is to grind magnificent MAS controllers, and nitrogen sparge device is the high-pressure wash nozzle of Jining Tian Run spraying apparatus Co., Ltd production, with
Upper equipment can also select other models of other brands, be not limited to the manufacturer that the present embodiment is enumerated, herein not superfluous
It states；The explosion-proof relief electrically-controlled valve, the controller among the above, the pressure sensor structure and function of itself is public affairs
Know, the present invention is directed to the scheme after protecting above-mentioned electrical part to be integrally electrically connected, above-mentioned electrical part is only to complete signal to transmit
Process, and do not do the processing on software to signal itself.
As shown in Figure 1, Figure 3, the inner wall of the explosion-proof tank in the present embodiment be equipped with power interface 7, the power interface with
The explosion-proof tank external power connects, and electric-controlled switch is also associated on the power cord between the power interface and the power supply
(being set on explosion-proof box outer wall, do not marked in figure), the pressure sensor, the electric-controlled switch are electrically connected with the controller.
Power interface in the present invention includes 12V power interfaces, 24V power interfaces, 220V power interfaces, to meet different battery packs
Requirement to power supply, the pressure sensor, the electric-controlled switch are electrically connected with the controller, when pressure value is pressed beyond safety
When force threshold, then controller editor electric-controlled switch open signal and it is sent to the electric-controlled switch, controls the electric-controlled switch
It closes, conversely, then controller editor electric-controlled switch shutdown signal, closes the electric-controlled switch, realizes that the automatic control of electric-controlled switch is opened
Power supply is opened and closed, ensures the safety of battery pack experiment.
Power cord and electric-controlled switch in the present embodiment are set to outside the explosion-proof tank, are not drawn into figure, power cord and electricity
Control switch is well known, and electric-controlled switch uses the explosion-proof magnetic switches of TCK of Luoyang Bridge sun mining machinery Co., Ltd production, herein
Repeat no more its structure.
As shown in Figure 2 and Figure 3, the explosion-proof tank in the present embodiment is equipped with safety door 8, and door is equipped on the safety door
Magnetic detector 9 closes open state for incuding the safety door, the door sensor detector, the electric-controlled switch with the control
Device is electrically connected.Shutdown signal is transferred to the controller, institute by the present invention when door sensor detector detection safety door is closed
The unlatching for stating controller control electric-controlled switch detects safety door to ensure battery pack and be electrically connected in the door sensor detector
When being not turned off, signal transmission will be not turned off to the controller, the controller controls the open and close of the electric-controlled switch, protects
Protect the safety of testing staff and detection device.
Door sensor detector in the present embodiment selects the limited door of concealed installation of Shenzhen Zhong Tian intelligence systems Co., Ltd production
Magnetic detector can also select the door sensor detector of other models of other brand productions, be not limited to what the present embodiment was enumerated
Manufacturer, the door sensor detector structure and function of itself are well known, and the present invention is directed to protect above-mentioned electrical part
Scheme after whole electrical connection, above-mentioned electrical part is only the process completed signal and transmitted, and is not done on software to signal itself
Processing.
As shown in Figure 1, the explosion-proof tank top in the present embodiment is equipped with through-hole, the through-hole and the explosion-proof relief are automatically controlled
Valve is connected to, for adjusting the pressure inside the explosion-proof tank according to pressure control instruction；Ensure safe pressure in the explosion-proof tank
Value ensures battery pack safety detection.
As shown in Figure 1, the nitrogen gas conveying device in the present embodiment includes the nitrogen being connect with the nitrogen sparge device
Gas cylinder 41, the pipeline 42 that the nitrogen sparge device is connect with nitrogen cylinder are equipped with nitrogen and convey electrically-controlled valve 43, and the pressure passes
Sensor, nitrogen conveying electrically-controlled valve are electrically connected with the controller.The present invention realizes that the conveying of nitrogen automatically controls, and avoids
Battery pack is exploded, and has good explosion-proof effect.
Nitrogen conveying electrically-controlled valve in the present embodiment uses the CXZQD of Chuan Xi fluid devices (Shanghai) Co., Ltd. production not
Become rusty 304 steam electromagnetic valve of steel.
As shown in Figure 1, further including the equipment compartment 13 adjacent with the explosion-proof tank；The nitrogen cylinder and controller installation
In in the equipment compartment.The present invention includes that nitrogen cylinder and the controller described in the equipment compartment are installed in the equipment compartment,
The protection to the nitrogen cylinder and the controller is played, avoids long-term external, dust deposit leads to equipment damage.
The explosion-proof tank in the present invention includes frame, and top, bottom and the peripheral wall of the frame are mounted on bursting diaphragm；Its
In, the bursting diaphragm includes upper plate and lower plate, and asbestos are filled between the upper plate and the lower plate.Explosion-proof tank of the present invention has very
Good explosion-proof effect, asbestos play the role of isolation.Wherein, the size of steelframe is 5m*3mm*3m, and the thickness of upper plate and lower plate is
The size of 5mm, equipment compartment are 1m*3mm*3mm, and floor space is small, movement easy to disassemble.Wherein, frame, bursting diaphragm, upper plate, under
Plate is known in the art common sense, is not drawn into attached drawing, is not repeating this structure herein.
As shown in Figure 1, the invention also includes a kind of battery pack detecting systems, including any among the above described it is used for power
The automatic explosion-proof device of battery pack detection further includes the video monitoring apparatus 10 being set in the explosion-proof tank, for in explosion-proof tank
The battery pack situation real-time video monitoring in portion；Temperature-detecting device 11, for the real-time detection to battery pack temperature in explosion-proof tank；
The video monitoring apparatus includes the infrared monitoring camera 101 being set on the explosion-proof chamber interior wall, the infrared monitoring camera
It is electrically connected with the display 102 outside the anti-explosion box body；The explosion-proof chamber interior wall is also equipped with multiple headlamps 12；It is described
Temperature-detecting device includes the temp.-sensing wire 111 being set in the explosion-proof tank and the moisture recorder outside the explosion-proof tank
112, which is electrically connected with the moisture recorder outside the explosion-proof tank, the detection for receiving the warming line
Signal, and the temperature of real-time online record battery pack；The display, the moisture recorder are installed in the equipment compartment.
The video monitoring apparatus in the present invention includes the infrared monitoring camera being set on the explosion-proof chamber interior wall, passes through institute
The design that infrared monitoring camera is electrically connected with the display outside the anti-explosion box body is stated, it can be to the explosion-proof tank
The observation of interior battery pack detecting state preserves pictorial information in the display, and interior four apex angle of the explosion-proof tank is equal
Equipped with infrared monitoring camera；The explosion-proof chamber interior wall is equipped with multiple headlamps, ensures clear to battery pack situation
Observation；Temp.-sensing wire is electrically connected with the moisture recorder outside the explosion-proof tank, the detection for receiving the warming line
Signal, and the temperature of real-time online record battery pack；The display, the moisture recorder are installed in equipment compartment, are played
Protective effect to the display, the moisture recorder.
Wherein, infrared monitoring camera Shenzhen Zhong Tian intelligence systems Co., Ltd produces ZT104 integration infrared night visions
Colour TV camera.
A kind of battery pack detecting system course of work：
To carrying out the monitoring of real-time video, temperature and pressure value in explosion-proof tank, and pressure value is sent to control in real time
Device；
When controller detects that pressure value exceeds safe pressure threshold value, controller according to the pressure value of reception with it is preset
Safe pressure threshold comparison, and compile electrically-controlled valve switching signal and be sent to the explosion-proof relief electrically-controlled valve, editor's nitrogen conveying
Switching signal is sent to the nitrogen gas conveying device, to control opening for the explosion-proof relief electrically-controlled valve and the nitrogen gas conveying device
It opens and closes；When pressure value exceeds safe pressure threshold value, then the controller sends electrically-controlled valve open signal to described explosion-proof
Pressure release electrically-controlled valve controls the unlatching of the explosion-proof relief electrically-controlled valve, meanwhile, it is defeated to the nitrogen to send nitrogen conveying open signal
Device is sent, the unlatching of the nitrogen gas conveying device is controlled, the nitrogen sparge device sprays nitrogen into the explosion-proof tank；Instead
It, then send electrically-controlled valve shutdown signal to the explosion-proof relief electrically-controlled valve and the nitrogen gas conveying device and letter closed in nitrogen conveying
Number, the explosion-proof relief electrically-controlled valve and the nitrogen gas conveying device are closed, the nitrogen sparge device stops spray
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that：Its according to
So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into
Row equivalent replacement；And these modifications or replacements, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of automatic explosion-proof device for power battery pack detection, it is characterised in that：Include for the anti-of placing battery packet
Quick-fried case is set in the explosion-proof tank
Pressure sensor, for the real-time detection to the explosion-proof tank internal pressure；
Nitrogen sparge device, for spraying nitrogen to explosion-proof tank inside, to keep pressure stability in the explosion-proof tank, simultaneously
The air in the explosion-proof tank is discharged, makes battery pack and air exclusion；
Outside explosion-proof tank
Nitrogen gas conveying device, for being connect with the nitrogen sparge device, the supplying nitrogen into the explosion-proof tank；
Explosion-proof relief electrically-controlled valve is used for the explosion-proof tank pressure release；
Controller is used for the pressure value according to reception and preset safe pressure threshold comparison, and compiles automatically controlled threshold switch letter
It number is sent to the explosion-proof relief electrically-controlled valve, editor's nitrogen conveying switching signal is sent to the nitrogen gas conveying device, with control
The open and close of the explosion-proof relief electrically-controlled valve and the nitrogen gas conveying device；When pressure value exceeds safe pressure threshold value,
Then the controller sends electrically-controlled valve open signal to the explosion-proof relief electrically-controlled valve, controls opening for the explosion-proof relief electrically-controlled valve
It opens, meanwhile, it sends nitrogen and conveys open signal to the nitrogen gas conveying device, control the unlatching of the nitrogen gas conveying device, institute
It states nitrogen sparge device and sprays nitrogen into the explosion-proof tank；Conversely, then defeated to the explosion-proof relief electrically-controlled valve and the nitrogen
It send device to send electrically-controlled valve shutdown signal and nitrogen conveying shutdown signal, closes the explosion-proof relief electrically-controlled valve and the nitrogen is defeated
Device, the nitrogen sparge device is sent to stop spray.
2. the automatic explosion-proof device according to claim 1 for power battery pack detection, it is characterised in that：It is described explosion-proof
The inner wall of case is equipped with power interface, which connect with the explosion-proof tank external power, in the power interface and the electricity
Electric-controlled switch is also associated on power cord between source, the pressure sensor, the electric-controlled switch are electric with the controller
Connection.
3. the automatic explosion-proof device according to claim 2 for power battery pack detection, it is characterised in that：It is described explosion-proof
Case is equipped with safety door, and door sensor detector is equipped on the safety door, and open state, the door sensor are closed for incuding the safety door
Detector, the electric-controlled switch are electrically connected with the controller.
4. the automatic explosion-proof device according to claim 3 for power battery pack detection, it is characterised in that：It is described explosion-proof
Box top is equipped with through-hole, which is connected to the explosion-proof relief electrically-controlled valve, described anti-for being adjusted according to pressure control instruction
Pressure inside quick-fried case.
5. the automatic explosion-proof device according to claim 4 for power battery pack detection, it is characterised in that：The nitrogen
Conveying device includes the nitrogen cylinder being connect with the nitrogen sparge device, what the nitrogen sparge device was connect with the nitrogen cylinder
Pipeline is equipped with nitrogen and conveys electrically-controlled valve, and the pressure sensor, nitrogen conveying electrically-controlled valve are electrically connected with the controller
It connects.
6. the automatic explosion-proof device according to claim 5 for power battery pack detection, it is characterised in that：Further include with
The adjacent equipment compartment of the explosion-proof tank；The nitrogen cylinder and the controller are installed in the equipment compartment.
7. according to any automatic explosion-proof device for power battery pack detection in claim 1-6, it is characterised in that：
The explosion-proof tank includes frame, and top, bottom and the peripheral wall of the frame are mounted on bursting diaphragm；Wherein, the bursting diaphragm includes
Upper plate and lower plate are filled with asbestos between the upper plate and the lower plate.
8. a kind of battery pack detecting system, it is characterised in that：Include being used for power battery as described in any in claim 1-7
The automatic explosion-proof device for wrapping detection further includes the video monitoring apparatus being set in the explosion-proof tank, for the electricity inside explosion-proof tank
Pond packet situation real-time video monitoring；Temperature-detecting device, for the real-time detection to battery pack temperature in explosion-proof tank.
9. battery pack detecting system according to claim 8, it is characterised in that：The video monitoring apparatus includes being set to institute
The infrared monitoring camera on explosion-proof chamber interior wall is stated, the infrared monitoring camera and the display electricity outside the anti-explosion box body
Connection；It is additionally provided with multiple headlamps on the explosion-proof chamber interior wall.
10. battery pack detecting system according to claim 9, it is characterised in that：The temperature-detecting device includes being set to
Temp.-sensing wire in the explosion-proof tank and the moisture recorder outside the explosion-proof tank, the temp.-sensing wire be set to the explosion-proof tank
Outer moisture recorder electrical connection, the detection signal for receiving the warming line, and real-time online record battery pack
Temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810992878.6A CN108762330A (en) | 2018-08-29 | 2018-08-29 | Automatic explosion-proof device and battery pack detecting system for power battery pack detection |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810992878.6A CN108762330A (en) | 2018-08-29 | 2018-08-29 | Automatic explosion-proof device and battery pack detecting system for power battery pack detection |
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| CN108762330A true CN108762330A (en) | 2018-11-06 |
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| CN201810992878.6A Pending CN108762330A (en) | 2018-08-29 | 2018-08-29 | Automatic explosion-proof device and battery pack detecting system for power battery pack detection |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109509928A (en) * | 2018-11-12 | 2019-03-22 | 北京理工大学 | A kind of soft pack cell for preventing from overcharging thermal runaway and mould group for electric car |
| CN110329074A (en) * | 2019-07-09 | 2019-10-15 | 昆山宝创新能源科技有限公司 | The method for improving the safety of new energy car battery packet |
| CN110435446A (en) * | 2019-09-23 | 2019-11-12 | 华晨鑫源重庆汽车有限公司 | A kind of fit structure and automobile of Battery case and black box |
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| CN109509928A (en) * | 2018-11-12 | 2019-03-22 | 北京理工大学 | A kind of soft pack cell for preventing from overcharging thermal runaway and mould group for electric car |
| US11324978B2 (en) * | 2018-12-28 | 2022-05-10 | Contemporary Amperex Technology Co., Limited | Fire-fighting fluid storage apparatus of battery pack |
| CN111106276B (en) * | 2018-12-28 | 2021-02-02 | 宁德时代新能源科技股份有限公司 | Spraying system of battery pack and battery pack |
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| CN111106276A (en) * | 2018-12-28 | 2020-05-05 | 宁德时代新能源科技股份有限公司 | Spraying system of battery pack and battery pack |
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| CN110435446A (en) * | 2019-09-23 | 2019-11-12 | 华晨鑫源重庆汽车有限公司 | A kind of fit structure and automobile of Battery case and black box |
| CN111518994A (en) * | 2020-04-30 | 2020-08-11 | 庆安集团有限公司 | Metal material chemical heat treatment titration apparatus and use method thereof |
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| CN112531279B (en) * | 2020-10-30 | 2023-07-07 | 华瑞矿业科技有限公司 | Explosion-proof battery power supply |
| CN112531278B (en) * | 2020-10-30 | 2023-07-07 | 华瑞矿业科技有限公司 | Explosion-proof battery power supply |
| CN114011739A (en) * | 2021-11-26 | 2022-02-08 | 格林美股份有限公司 | Automatic battery sorting device |
| CN114011739B (en) * | 2021-11-26 | 2023-12-22 | 格林美股份有限公司 | Automatic battery sorting device |
| CN114552792A (en) * | 2022-04-22 | 2022-05-27 | 山东东辰节能电力设备有限公司 | Safety protection system of box-type substation |
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