CN207439628U - A kind of Battery case test device for air tightness - Google Patents
A kind of Battery case test device for air tightness Download PDFInfo
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- CN207439628U CN207439628U CN201721567886.3U CN201721567886U CN207439628U CN 207439628 U CN207439628 U CN 207439628U CN 201721567886 U CN201721567886 U CN 201721567886U CN 207439628 U CN207439628 U CN 207439628U
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- battery case
- tracheae
- test device
- air
- air tightness
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Abstract
The utility model provides a kind of Battery case test device for air tightness, belongs to field of mechanical technique.It solves the problems, such as that existing test device for air tightness stability is poor, detection efficiency is low and security is poor.This Battery case test device for air tightness, pressure-regulating valve, intake valve and pressure gauge are disposed on the tracheae, the test device for air tightness further includes fixed frame, there is the platform for placing battery babinet on the fixed frame, the one side of the platform upper surface has Battery case detection zone, the tracheae is fixed on supporting rack and is set along the length direction of platform, the tracheae is located at the top of platform and the gas outlet of tracheae is towards Battery case detection zone side, and being connected on the gas outlet of the tracheae can be with the hose of Battery case grafting.The utility model can carry out several Battery cases orderly air-leakage test, and the device is to the efficient of Battery case air-leakage test, stability is good and has a safety feature.
Description
Technical field
The utility model belongs to field of mechanical technique, is related to a kind of test device for air tightness, particularly a kind of Battery case
Test device for air tightness.
Background technology
Whole power capacity sources of the battery system as pure electric automobile, and also play the part of in hybrid vehicle
Important role, it is the essential core module of new-energy automobile, and battery system has to do one before exfactory inspection
Item detection is exactly air tightness test, this test is vital for the security of battery system.
At present, Chinese patent net discloses a kind of battery pack babinet air-leakage test structure and method (application number：
201510555729.X), it includes battery pack, and one is fixedly installed on battery pack case body with being connected inside battery pack
Connector, the battery pack refers to charging connector, high-voltage output connector, low-pressure connector and Manual maintenance switch connector
Battery pack, which is then connected with ball valve, pressure reducing valve and high-pressure air source in turn, is also communicated with pressure on the connectors
Power table.
When carrying out air-leakage test to battery pack babinet, above-mentioned air-leakage test structure can there are problems that rocking,
It is unfavorable for the display pressure value of air gauge stabilization, and the connection of connector and battery pack babinet is inconvenient with dismounting, influences gas
The efficiency of close property detection.
The content of the invention
The purpose of this utility model is that there are the above problems for existing technology, it is proposed that a kind of Battery case air-tightness
Test device, the utility model solve the technical issues of be：How to ensure the stability of air-leakage test and improve air-tightness
The efficiency of detection.
The purpose of this utility model can be realized by following technical proposal：A kind of Battery case test device for air tightness,
Including tracheae, pressure-regulating valve, intake valve and pressure gauge are disposed with along air inlet to gas outlet direction on the tracheae,
The test device for air tightness further includes fixed frame, has the platform for placing battery babinet on the fixed frame, described flat
The one side of platform upper surface has Battery case detection zone, has supporting rack on the fixed frame, the tracheae is fixed on supporting rack
It goes up and is located at the top of platform, being connected on the gas outlet of the tracheae can be with the hose of Battery case grafting.
Battery case air-leakage test principle is：Battery case to be detected is placed into the electricity of platform by fork lift truck
On the babinet detection zone of pond, the air inlet of tracheae is connected with high-pressure air source, and the outer end of hose is connected with Battery case, opens air inlet
Compressed gas is delivered to tracheal strips by valve, high-pressure air source, and compressed gas is entered by hose in Battery case, then passes through pressure
Regulating valve causes pressure gauge to show test device regulation pressurize value；It closes intake valve and starts timing, in defined static observation
In time range, Battery case air-tightness qualification is represented if changing on pressure gauge without apparent pressure value, otherwise represents battery
Babinet air-tightness is unqualified.Battery case is placed on Battery case detection zone and is detected and is conducive to the inspection of Battery case air-tightness
Orderly progress is surveyed, the outer end of hose can realize quick plug with Battery case, be conducive to improve air-leakage test
Efficiency, tracheae is fixed on supporting rack and supporting rack forms tracheae effective support, is reduced during air-leakage test
Tracheae rocks, and is conducive to the display pressure value of pressure gauge stabilization.
In a kind of above-mentioned Battery case test device for air tightness, the tracheae is set along the length direction of platform, institute
The gas outlet for stating tracheae is located at the top of Battery case detection zone.So that the structure of whole device is more compact, tracheae goes out
Gas port is located at the length of hose needed for the top shortening of Battery case detection zone.
In a kind of above-mentioned Battery case test device for air tightness, the upper surface of the platform is equipped with limiting plate, institute
It is above-mentioned Battery case detection zone to state the region between limiting plate and platform one end.Battery case is placed into Battery case detection
When in area, one end of Battery case is resisted against on limiting plate, and /V is carried out to the placement location of Battery case by limiting plate,
Ensure that Battery case can be accurately placed in the Battery case detection zone on platform, it is convenient that air-tightness is carried out to Battery case
Detection.
In a kind of above-mentioned Battery case test device for air tightness, pressure release is provided at gas outlet on the tracheae
Valve.After relief valve is set on tracheae, when Battery case air-leakage test is completed, relief valve, tracheae and battery are opened
The in vivo compressed gas of case is discharged to the external world by relief valve, then hose is extracted from Battery case, and hose, which is extracted, to be stablized simultaneously
And avoid compressed gas and go out the problem of forming propulsive thrust from hose, improve the security performance that device uses.
In a kind of above-mentioned Battery case test device for air tightness, the pressure gauge be digital pressure gauge, the number
Detection alarm module is electrically connected on pressure gauge, the detection alarm module can detect the pressure value on pressure gauge and export report
Alert signal.The preset pressure value alarm range on detection alarm module, detection alarm module are carrying out pressure value inspection to pressure gauge
During survey, when detecting that the pressure value on digital pressure gauge is in preset pressure value alarm range, detection alarm mould
Block output alarm signal, alarm signal can be sound and light alarm signal.
In a kind of above-mentioned Battery case test device for air tightness, the pressure-regulating valve is air-operated solenoid valve, described
Air-operated solenoid valve can be controlled to adjust the control unit of admission pressure by having on detection alarm module.Detect alarm module output
Air-powered electromagnetic valve regulation admission pressure is controlled by control unit while alarm signal, timely reduces endotracheal pressure
Power further improves the security of air-leakage test.
In a kind of above-mentioned Battery case test device for air tightness, the bottom of the fixed frame is equipped with universal wheel.It is logical
Cross the movement for facilitating entire test device for air tightness after setting universal wheel on the bottom of fixed frame.
Compared with prior art, the Battery case test device for air tightness of the utility model has the following advantages：It can be right
Several Battery cases carry out orderly air-leakage test, and the device is to the efficient, steady of Battery case air-leakage test
It is qualitative to get well and have a safety feature.
Description of the drawings
Fig. 1 is the structure diagram of the utility model.
In figure, 1, tracheae；2nd, pressure-regulating valve；3rd, intake valve；4th, pressure gauge；5th, fixed frame；51st, platform；52nd, support
Frame；53rd, universal wheel；6th, Battery case detection zone；7th, hose；8th, limiting plate；9th, relief valve；10th, alarm module is detected；11st, it is electric
Pond babinet.
Specific embodiment
It is specific embodiment of the utility model and with reference to attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these embodiments.
As shown in Figure 1, including tracheae 1 and fixed frame 5, set gradually on the tracheae 1 along air inlet to gas outlet direction
There are pressure-regulating valve 2, intake valve 3, pressure gauge 4 and relief valve 9, the bottom of fixed frame 5 is equipped with universal wheel 53, the fixation
There is the platform 51 for placing battery babinet, the upper surface of the platform 51 is equipped with limiting plate 8, the limiting plate 8 on frame 5
Region between 51 one end of platform is Battery case detection zone 6, has supporting rack 52 on the fixed frame 5, and the tracheae 1 is solid
It is scheduled on supporting rack 52 and is set along the length direction of platform 51, the tracheae 1 is located at the top of platform 51 and the outlet of tracheae 1
Mouthful towards 6 side of Battery case detection zone, being connected on the gas outlet of the tracheae 1 can be with the hose 7 of Battery case grafting.
Battery case air-leakage test principle is：Manually hydraulic lifting fork truck places Battery case 11 to be detected
Onto the Battery case detection zone 6 of platform 51, one end of Battery case 11 is resisted against on limiting plate 8, air inlet and the height of tracheae 1
Pressurized air source connects, and the outer end of hose 7 is connected with Battery case 11, opens intake valve 3 and closes relief valve 9, and high-pressure air source will
Compressed gas is delivered in tracheae 1, and compressed gas is entered by hose 7 in Battery case 11, then is made by pressure-regulating valve 2
It obtains pressure gauge 4 and shows test device regulation pressurize value；It closes intake valve 3 and starts timing, in defined static observing time model
In enclosing, 11 air-tightness of Battery case qualification is represented if changing on pressure gauge 4 without apparent pressure value, otherwise represents Battery case
11 air-tightness are unqualified.After the completion of 11 air-leakage test of Battery case, relief valve 9 is opened, the pressure in tracheae 1 and Battery case 11
Contracting gas is discharged to the external world by relief valve 9, and compressed gas again extracts hose 7 after being completely exhausted out from Battery case 11.
In order to further improve the safety in utilization of the device, the pressure gauge 4 is digital pressure gauge, the digital pressure
It is electrically connected with detection alarm module 10 on table, the detection alarm module 10 can detect pressure value on digital pressure gauge and defeated
Go out alarm signal.The preset pressure value alarm range on detection alarm module 10, detection alarm module 10 is to digital pressure gauge
During carrying out pressure value detection, once detect pressure value on digital pressure gauge in preset pressure value alarm range
When, detect 10 output sound of alarm module or/and visual alarm, by set on detection alarm module 10 buzzer or/and
LED light realization sound or/and light alarm.
The pressure-regulating valve 2 is air-operated solenoid valve, when detection alarm module 10 detects that the pressure value on pressure gauge 4 exists
When in preset pressure value alarm range, pneumatic electricity is controlled by control unit while detecting 10 output alarm signal of alarm module
Magnet valve adjusts admission pressure, reduces the pressure in tracheae 1 in time, further improves the security of air-leakage test.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Described specific embodiment can be done various modifications or additions or using similar by belonging to those skilled in the art
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Although be used more herein tracheae 1, pressure-regulating valve 2, intake valve 3, pressure gauge 4, fixed frame 5, platform 51,
Supporting rack 52, universal wheel 53, Battery case detection zone 6, hose 7, limiting plate 8, relief valve 9, detection alarm module 10, battery case
11 grade terms of body, but it does not preclude the possibility of using other terms.The use of these items is only for more easily describe
With the essence for explaining the utility model；Being construed as any one of the additional limitations is disagreed with the utility model spirit
The back of the body.
Claims (7)
1. a kind of Battery case test device for air tightness, including tracheae (1), along air inlet to gas outlet side on the tracheae (1)
To being disposed with pressure-regulating valve (2), intake valve (3) and pressure gauge (4), which is characterized in that the air tightness test dress
It puts and further includes fixed frame (5), there is the platform (51) for placing battery babinet (11), the platform on the fixed frame (5)
(51) one side of upper surface has Battery case detection zone (6), has supporting rack (52), the tracheae on the fixed frame (5)
(1) being fixed on supporting rack (52) and be connected on the top of platform (51), the gas outlet of the tracheae (1) can be with electricity
The hose (7) of pond babinet (11) grafting.
A kind of 2. Battery case test device for air tightness according to claim 1, which is characterized in that tracheae (1) edge
The length direction of platform (51) is set, and the gas outlet of the tracheae (1) is located at the top of Battery case detection zone (6).
3. a kind of Battery case test device for air tightness according to claim 1, which is characterized in that the platform (51)
Upper surface is equipped with limiting plate (8), and the region between the limiting plate (8) and platform (51) one end is above-mentioned battery case physical examination
It surveys area (6).
A kind of 4. Battery case test device for air tightness according to claim 1 or 2 or 3, which is characterized in that the tracheae
(1) on relief valve (9) is provided at gas outlet.
A kind of 5. Battery case test device for air tightness according to claim 1 or 2 or 3, which is characterized in that the pressure
Table (4) is digital pressure gauge, and detection alarm module (10), the detection alarm module are electrically connected on the digital pressure gauge
(10) pressure value and output alarm signal on digital pressure gauge can be detected.
A kind of 6. Battery case test device for air tightness according to claim 5, which is characterized in that the pressure-regulating valve
(2) it is air-operated solenoid valve, having on the detection alarm module (10) can control air-operated solenoid valve to adjust admission pressure
Control unit.
A kind of 7. Battery case test device for air tightness according to claim 1, which is characterized in that the fixed frame (5)
Bottom be equipped with universal wheel (53).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721567886.3U CN207439628U (en) | 2017-11-22 | 2017-11-22 | A kind of Battery case test device for air tightness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721567886.3U CN207439628U (en) | 2017-11-22 | 2017-11-22 | A kind of Battery case test device for air tightness |
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| Publication Number | Publication Date |
|---|---|
| CN207439628U true CN207439628U (en) | 2018-06-01 |
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| CN201721567886.3U Active CN207439628U (en) | 2017-11-22 | 2017-11-22 | A kind of Battery case test device for air tightness |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112857710A (en) * | 2021-03-04 | 2021-05-28 | 宁波昌扬机械工业有限公司 | Airtight detection frock of battery box |
-
2017
- 2017-11-22 CN CN201721567886.3U patent/CN207439628U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112857710A (en) * | 2021-03-04 | 2021-05-28 | 宁波昌扬机械工业有限公司 | Airtight detection frock of battery box |
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