CN106052979A - Power battery pack air tightness detection device - Google Patents
Power battery pack air tightness detection device Download PDFInfo
- Publication number
- CN106052979A CN106052979A CN201610703733.0A CN201610703733A CN106052979A CN 106052979 A CN106052979 A CN 106052979A CN 201610703733 A CN201610703733 A CN 201610703733A CN 106052979 A CN106052979 A CN 106052979A
- Authority
- CN
- China
- Prior art keywords
- air
- electrokinetic cell
- cell bag
- detector
- detection device
- Prior art date
- 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
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/32—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators
Abstract
The invention provides a power battery pack air tightness detection device which comprises a high pressure air source and a detector. The high pressure air source is connected with the detector and a power battery pack in sequence. The detector comprises a controller, a pressure sensor controller and a display. The pressure sensor is in circuit connection with the controller and is used for detecting the pressure in the power battery pack and transmitting the detected data to the controller. The display is in circuit connection with the controller and is used for displaying the detected data. The power battery pack air tightness detection device has the advantages that the structure is simple, the implementation is convenient, the observation result is visual, and the safety in the battery pack is not influenced.
Description
Technical field
The present invention relates to electric automobile field, particularly relate to a kind of electrokinetic cell bag air-tightness detection device.
Background technology
Battery system will directly influence the car load of electric automobile as the core component of pure electric automobile, its safety
Energy and driving safety.In order to ensure battery system can safe power supply must be requested that electrokinetic cell bag have stronger dust-proof and
Waterproof ability；In order to avoid dust and water cause short circuit after entering battery bag, cause danger, produce heavy losses, even threaten and drive
Take advantage of the personal safety of personnel.Therefore, before battery system dispatches from the factory, the most all its sealing can be detected.If to each product
Carrying out heavy water checking, on the one hand efficiency is low, and holding time, resource also compare many；On the other hand, battery bag is once revealed,
Battery bag is intake, and certainly will cause potential safety hazard.
Summary of the invention
For solving the problem of the air-leakage test of electrokinetic cell bag, the present invention provides a kind of simple in construction, and it is convenient to implement, and sees
Survey visual result and do not interfere with the air-tightness detection device of battery bag internal security.
The technical scheme is that a kind of electrokinetic cell bag air-tightness detection device, with
Unlike prior art, including high-pressure air source and detector；Described high-pressure air source by pipeline successively with detector and described
Electrokinetic cell bag connects；Described detector includes controller, pressure transducer controller and display, described pressure transducer with
Described controller circuitry connects, for detecting the air pressure in described electrokinetic cell bag and detection data being transferred to described control
Device；Described display is connected with described controller circuitry, and described display is used for showing detection data.
The invention has the beneficial effects as follows, this detection device is that electrokinetic cell bag to be measured carries out injecting high pressure by high-pressure air source
Gas, then by the detector with pressure transducer, the electrokinetic cell bag injecting gases at high pressure is carried out pressure detecting, described
Pressure transducer is connected with described controller circuitry, for detecting the air pressure in described electrokinetic cell bag and detection data being transmitted
To described controller；Described display is connected with described controller circuitry, and described display is used for showing detection data.By aobvious
Show that device can observe battery bag internal pressure drops change curve.This air-tightness detection device is not only simple in structure, implements conveniently, to see
Survey visual result is clear and definite, and safe and reliable, does not also interfere with battery bag internal security, solves and carry out air-leakage test in the past
Need all drawbacks of heavy water test.
On the basis of technique scheme, the present invention can also do following improvement.
Further, described detector also includes control panel, and described control panel is connected with described controller circuitry, described
Control panel is for regulating or set current detection parameter.
Use above-mentioned further technical scheme to provide the benefit that, when carrying out air-leakage test, for convenience set with
Regulate some relevant parameters, control panel is set, be favorably improved the accuracy of detection test and the comprehensive of data.
Further, described detector also includes memorizer and USB interface, and described memorizer and described USB interface are all and institute
Stating controller circuitry to connect, described memorizer can store detection data, can detection data be passed by described USB interface
It is passed to external equipment.
Above-mentioned further technical scheme is used to provide the benefit that, for the ease of data storage and derivation, can be in inspection
Arranging memorizer and USB interface in surveying instrument, described memorizer can store detection data, can by described USB interface
Detection data are transferred to external equipment.
Further, air filtration air relief valve, described air filtration it are additionally provided with between described high-pressure air source and described detector
The access port of air relief valve is connected with described high-pressure air source pipeline, the exit of described air filtration air relief valve and described detector pipe
Road connects.
Using above-mentioned further technical scheme to provide the benefit that, air filtration air relief valve is air filter and decompression
The integrated component of valve, has the function of air filter and air relief valve concurrently.Before gases at high pressure enter detector, by air mistake
Filter air relief valve, can filter the dust in air and moisture etc., it is ensured that enter cleanliness factor and the aridity of the air of detector,
Avoiding moisture or dust to enter detector and electrokinetic cell bag with gas, one is to improve measuring accuracy, and two is to avoid
Detector and electrokinetic cell bag are caused damage by unclean other.Air relief valve can carry out voltage stabilizing to source of the gas, makes source of the gas be in perseverance
Determine state, can reduce because of during source of the gas pressure fluctuations to valve or the damage of detector internal component, improve instrument service life.
Further, this detection device also includes the monitor station for placing described detector, and described monitor station includes detection
Table top, locker and Moving caster, described detection table top is positioned at the top of described monitor station, and described locker is positioned at described detection
Below table top, for placing articles, described Moving caster is located at the bottom of described monitor station, and described monitor station is by described movement
Castor can move freely.
Using above-mentioned further technical scheme to provide the benefit that, detector and air filter, air relief valve etc. all may be used
To be fixed on detection table top, monitor station is designed with locker can place experiment material used；Monitor station bottom design has can
Moving caster, adds the space flexibility of test experiments.
Further, this detection device also includes that protective cover, described protective cover are open at one end structure, and back-off is placed in described inspection
In on scaffold tower and described detector being covered at.
Above-mentioned further technical scheme is used to provide the benefit that, owing to detector belongs to precision instrument, at detector
Under unused state, it is covered with protective cover, the effect of dust and moisture can be played, to improve the service life of equipment.
Further, control valve, the access port of described control valve it are additionally provided with between described detector and described electrokinetic cell bag
Being connected with described detector pipeline, the exit of described control valve connects with the detection mouth of described electrokinetic cell bag.
Use above-mentioned further technical scheme to provide the benefit that, in process of the test, freely can be controlled by control valve
Gases at high pressure processed inject conducting and the closedown of electrokinetic cell bag.
Further, described control valve is ball valve, and ball valve is matured product, multi-size and advantage of lower cost, controls
Get up the most more convenient.
Further, it is provided with sealing ring between the detection mouth of described ball valve and described electrokinetic cell bag, it is ensured that after pipeline connects
Sealing good, it is to avoid gas leakage, to guarantee the accuracy of testing result.
Accompanying drawing explanation
Fig. 1 is the general arrangement schematic of a kind of electrokinetic cell bag air-tightness detection device provided by the present invention；
Fig. 2 is the disassemblying structure schematic diagram of the detecting tool shown in Fig. 1；
Fig. 3 is a kind of concrete real of the protective cover in a kind of electrokinetic cell bag air-tightness detection device provided by the present invention
Execute illustration to be intended to；
Fig. 4 is a kind of tool of the shown monitor station in a kind of electrokinetic cell bag air-tightness detection device provided by the present invention
The structural representation of body embodiment.
In accompanying drawing, the list of parts representated by each label is as follows:
1, high-pressure air source, 2, detector, 3, air filtration air relief valve, 4, electrokinetic cell bag, 5, detecting tool, 6, detection
Platform, 7, protective cover, 51, ball valve, 52, installing plate, 53, sealing ring, 54, locking nut, 61, detection table top, 62, locker, 63,
Moving caster.
Detailed description of the invention
Being described principle and the feature of the present invention below in conjunction with accompanying drawing, example is served only for explaining the present invention, and
Non-for limiting the scope of the present invention.
As shown in Figures 1 to 4, Fig. 1 is the overall cloth of a kind of electrokinetic cell bag air-tightness detection device provided by the present invention
Put schematic diagram；Fig. 2 is the disassemblying structure schematic diagram of the detecting tool shown in Fig. 1；Fig. 3 is a kind of power current provided by the present invention
A kind of specific embodiment schematic diagram of the protective cover in the bag air-tightness detection device of pond；Fig. 4 is that one provided by the present invention is moved
A kind of structural representation of the specific embodiment of the shown monitor station in power battery bag air-tightness detection device.
In the specific embodiment of a kind of electrokinetic cell bag air-tightness detection device provided by the present invention, including high pressure gas
Source 1 and detector 2；Described high-pressure air source 1 is connected with detector 2 and described electrokinetic cell bag 4 successively by pipeline；Described detection
Instrument 2 includes controller, pressure transducer controller and display, and described pressure transducer is connected with described controller circuitry, uses
In the air pressure detected in described electrokinetic cell bag 4 and detection data are transferred to described controller；Described display and described control
Device circuit processed connects, and described display is used for showing detection data.
Described detector 2 also includes that control panel, described control panel are connected with described controller circuitry, described chain of command
Plate is for regulating or set current detection parameter.
Described detector 2 also includes memorizer and USB interface, described memorizer and described USB interface all with described control
Device circuit connects, and described memorizer can store detection data, outside can detection data being transferred to by described USB interface
Portion's equipment.
Being additionally provided with air filtration air relief valve 3 between described high-pressure air source 1 and described detector 2, described air filtration is reduced pressure
The access port of valve 3 is connected with described high-pressure air source 1 pipeline, and the exit of described air filtration air relief valve 3 is managed with described detector 2
Road connects.Air filtration air relief valve 3 has the dual-use function of air filter and air relief valve concurrently, for the Integrated design of the two, it is possible to
Thinking that single air filter and air relief valve are connected in pipeline, as its effect, principle is identical, it will be appreciated that use collection
The air filtration air relief valve 3 of an accepted way of doing sth is connected with independent air filter and air relief valve and is the protection domain that the present invention is limited
Within.
This detection device also includes the monitor station 6 for placing described detector 2, and described monitor station 6 includes detecting table top
61, locker 62 and Moving caster 63, described detection table top 61 is positioned at the top of described monitor station 6, and described locker 62 is positioned at
Below described detection table top 61, for placing articles, described Moving caster 63 is located at the bottom of described monitor station 6, described detection
Platform 6 be can move freely by described Moving caster 63.
This detection device also includes protective cover 7, and described protective cover 7 is open at one end structure, and back-off is placed in described monitor station 6
In above and described detector 2 being covered at.
Being additionally provided with control valve between described detector 2 and described electrokinetic cell bag 4, the access port of described control valve is with described
Detector 2 pipeline connects, and the exit of described control valve connects with the detection mouth of described electrokinetic cell bag 4.Described control valve can
To use ball valve 51.
It is provided with sealing ring 53 between the detection mouth of described ball valve 51 and described electrokinetic cell bag 4.In order to easy for installation, permissible
An individually designed detecting tool 5, this detecting tool 5 includes ball valve 51, installing plate 52, sealing ring 53 and locking nut 54, peace
Dress plate 52 is connected by bolt is fixing with electrokinetic cell bag 4；Ball valve 51 is fixed on installing plate 52 by locking nut 54, and with
Detection mouth on electrokinetic cell bag 4 connects；Sealing ring 53 it is designed with between locking nut 54 and installing plate 52.Ball valve 51 can be controlled
Gas processed enters the open and close of electrokinetic cell bag 4, it is possible to while arranging detector parameter, keeps electrokinetic cell bag 4
Internal pressure is constant, it is ensured that measure the stable of system and precision；Sealing ring 53 ensure that detecting tool 5 and electrokinetic cell bag 4
Between sealing, it is to avoid gas leak, affect accuracy of detection.
Ensure to seal by detecting tool between detector and electrokinetic cell bag.Pressure transducer in detector can be anti-
Pressure signal before and after the bag test process of feed pond；Controller is by pressure signal before and after comparative cell bag test process, its pressure drop
Value is exported by display, is compared by the decision content set with the starting stage, thus judges that battery system sealing is the fullest
Foot requirement.
Detector can arrange various test parameter, testing process, can observe the internal pressure of battery bag by display
Fall change curve, and experimental data can be derived by detector USB interface, it is simple to follow-up comparative analysis uses.
A kind of concrete testing procedure of air-tightness detection device provided by the present invention is:
1, according to the self-characteristic of the electrokinetic cell bag of different size, preset electrokinetic cell bag inflation goal pressure and
Judge voltage drop value；Inflation target pressure value and judgement voltage drop value are all the results of test of many times herein.
2, stablizing the blowing pressure a period of time T, T value is also the empirical value that test of many times draws.
3, test.In test process, tester display screen can show battery bag internal pressure drops change curve, energy from curve
Enough directly read and finally stablize voltage drop value, and compare judgement with the decision content set.
On the whole, the electrokinetic cell bag air-tightness detection device that the present invention provides, have the advantages that (1) should
Air-tightness detection device simple in construction, enforcement convenience, observed result ocular and clear.
(2) this air-tightness detection device is safe and reliable, does not interferes with battery bag internal security.
(3) this air-tightness detection device can store experimental data and can data be derived, and can be subsequent experimental contrast
Reference is provided.
In describing the invention, it is to be understood that term " " center ", " longitudinally ", " laterally ", " length ", " width ",
" thickness ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ", " outward ", " up time
Pin ", " counterclockwise ", " axially ", " radially ", the orientation of the instruction such as " circumferential " or position relationship be based on orientation shown in the drawings or
Position relationship, is for only for ease of the description present invention and simplifies description rather than instruction or imply that the device of indication or element must
Must have specific orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include at least one this feature.In describing the invention, " multiple " are meant that at least two, such as two, three
Individual etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", " fixing " etc.
Term should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be to removably connect, or integral；Can be that machinery connects
Connect, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, in can being two elements
The connection in portion or the interaction relationship of two elements, unless otherwise clear and definite restriction.For those of ordinary skill in the art
For, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score permissible
It is that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height less than second feature.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show
Example " or the description of " some examples " etc. means to combine this embodiment or example describes specific features, structure, material or spy
Point is contained at least one embodiment or the example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be in office
One or more embodiments or example combine in an appropriate manner.Additionally, in the case of the most conflicting, the skill of this area
The feature of the different embodiments described in this specification or example and different embodiment or example can be tied by art personnel
Close and combination.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all spirit in the present invention and
Within principle, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (9)
1. an electrokinetic cell bag air-tightness detection device, it is characterised in that include high-pressure air source (1) and detector (2)；
Described high-pressure air source (1) is connected with detector (2) and described electrokinetic cell bag (4) successively by pipeline；
Described detector (2) includes controller, pressure transducer controller and display, described pressure transducer and described control
Device circuit connects, and is used for the air pressure that detects in described electrokinetic cell bag (4) and detection data are transferred to described controller；
Described display is connected with described controller circuitry, and described display is used for showing detection data.
A kind of electrokinetic cell bag air-tightness detection device the most according to claim 1, it is characterised in that described detector
(2) also including control panel, described control panel is connected with described controller circuitry, and described control panel is used for regulating or setting
Current detection parameter.
A kind of electrokinetic cell bag air-tightness detection device the most according to claim 1, it is characterised in that described detector
(2) also including memorizer and USB interface, described memorizer is all connected with described controller circuitry with described USB interface, described in deposit
Reservoir can store detection data, detection data can be transferred to external equipment by described USB interface.
A kind of electrokinetic cell bag air-tightness detection device the most according to claim 1, it is characterised in that described high-pressure air source
(1) and be additionally provided with air filtration air relief valve (3) between described detector (2), the access port of described air filtration air relief valve (3) with
Described high-pressure air source (1) pipeline connects, and the exit of described air filtration air relief valve (3) is connected with described detector (2) pipeline.
A kind of electrokinetic cell bag air-tightness detection device the most according to claim 1, it is characterised in that this detection device is also
Including the monitor station (6) for placing described detector (2), described monitor station (6) includes detecting table top (61), locker (62)
And Moving caster (63), described detection table top (61) is positioned at the top of described monitor station (6), and described locker (62) is positioned at described
Detection table top (61) lower section, for placing articles, described Moving caster (63) is located at the bottom of described monitor station (6), described inspection
Scaffold tower (6) be can move freely by described Moving caster (63).
A kind of electrokinetic cell bag air-tightness detection device the most according to claim 5, it is characterised in that this detection device is also
Including protective cover (7), described protective cover (7) is open at one end structure, and it is upper also described detection that back-off is placed in described monitor station (6)
In instrument (2) covers at.
7. according to a kind of electrokinetic cell bag air-tightness detection device described in any one of claim 1 to 6, it is characterised in that institute
State and between detector (2) and described electrokinetic cell bag (4), be additionally provided with control valve, the access port of described control valve and described detector
(2) pipeline connects, and the exit of described control valve connects with the detection mouth of described electrokinetic cell bag (4).
A kind of electrokinetic cell bag air-tightness detection device the most according to claim 7, it is characterised in that described control valve is
Ball valve (51).
A kind of electrokinetic cell bag air-tightness detection device the most according to claim 8, it is characterised in that described ball valve (51)
And it is provided with sealing ring (53) between the detection mouth of described electrokinetic cell bag (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610703733.0A CN106052979A (en) | 2016-08-22 | 2016-08-22 | Power battery pack air tightness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610703733.0A CN106052979A (en) | 2016-08-22 | 2016-08-22 | Power battery pack air tightness detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106052979A true CN106052979A (en) | 2016-10-26 |
Family
ID=57195358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610703733.0A Pending CN106052979A (en) | 2016-08-22 | 2016-08-22 | Power battery pack air tightness detection device |
Country Status (1)
| Country | Link |
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| CN (1) | CN106052979A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108254137A (en) * | 2017-12-29 | 2018-07-06 | 福建渃博特自动化设备有限公司 | Battery case welding airtightness detection device and its detection method |
| CN108426685A (en) * | 2018-05-15 | 2018-08-21 | 上海瑞昱汽车有限公司 | A kind of vehicle-mounted main drive battery case airtight detecting apparatus |
| CN108731887A (en) * | 2017-04-21 | 2018-11-02 | 上海电巴新能源科技有限公司 | The hermetization testing method of package seal checker and battery pack |
| CN109060255A (en) * | 2018-11-02 | 2018-12-21 | 常州普莱德新能源电池科技有限公司 | A kind of power battery pack heat management system air-tightness detection tool and detection system |
| CN113465832A (en) * | 2021-06-30 | 2021-10-01 | 深圳卡优思技术有限公司 | Double-pressure air tightness measuring instrument |
| CN113654741A (en) * | 2021-08-27 | 2021-11-16 | 浙江机电职业技术学院 | Automatic monitoring and early warning system and monitoring method for sealing performance of power battery pack |
| CN113804373A (en) * | 2020-06-12 | 2021-12-17 | 郑州宇通客车股份有限公司 | Battery pack air tightness detection method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108254137A (en) * | 2017-12-29 | 2018-07-06 | 福建渃博特自动化设备有限公司 | Battery case welding airtightness detection device and its detection method |
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| CN109060255A (en) * | 2018-11-02 | 2018-12-21 | 常州普莱德新能源电池科技有限公司 | A kind of power battery pack heat management system air-tightness detection tool and detection system |
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| CN113465832A (en) * | 2021-06-30 | 2021-10-01 | 深圳卡优思技术有限公司 | Double-pressure air tightness measuring instrument |
| CN113654741A (en) * | 2021-08-27 | 2021-11-16 | 浙江机电职业技术学院 | Automatic monitoring and early warning system and monitoring method for sealing performance of power battery pack |
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Application publication date: 20161026 |