CN208847410U - Overhead welding air tightness detection system - Google Patents
Overhead welding air tightness detection system Download PDFInfo
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- CN208847410U CN208847410U CN201821522217.9U CN201821522217U CN208847410U CN 208847410 U CN208847410 U CN 208847410U CN 201821522217 U CN201821522217 U CN 201821522217U CN 208847410 U CN208847410 U CN 208847410U
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- closed type
- overhead welding
- type chamber
- detection system
- valve
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Abstract
A kind of overhead welding air tightness detection system of energy-storage battery technical field, including closed type chamber and the inert gas gas tank being attached thereto；The closed type chamber includes cavity, end cover and sealing test mouth, ceramic tube to be measured is arranged in cavity, is coaxially disposed with sealing test mouth, sealing test mouth is provided with sealing element and seals ceramic tube to be measured, and end cover, which is pressed together on cavity, is sealed closed type chamber；The sealing element is equipped with ventilation axis hole, and the ventilation axis hole has the first vacuum pump by the first piping connection and is equipped with the first valve, has inert gas leak detector by the second piping connection and is equipped with the second valve, and inert gas leak detector is connected with the second vacuum pump；Second pipeline is equipped with vacuum meter, and vacuum meter is arranged before the second valve.Solid electrolyte ceramic pipe is placed in closed type chamber and tests by the utility model, can be improved air-leakage test reliability, while can carry out repair welding to substandard product, avoids leading to entire scrap of the product because of failure welding.
Description
Technical field
The utility model relates to a kind of technology in energy-storage battery field, specifically a kind of overhead welding air-leakage test systems
System.
Background technique
In sodium-ion battery production technology, solid electrolyte ceramic pipe 102 need to top bridge 103 be welded and fixed (such as Fig. 3 and
Shown in Fig. 4), the safety in utilization of sealing reliability direct relation sodium-ion battery after welding, thus need to test after welding
The air-tightness of battery.The universal test method of industry is to be put into the ceramic tube 102 after welding in test cavity, then will make pottery at present
It is sealed at battery liquid injection port on porcelain tube 102, a timing is guaranteed to test cavity type chamber pumping high vacuum using thick vacuum pumping pump later
Between do not leak helium filled to ceramic tube cavity again, then the gas in the test chamber cavity that instrument extracts smart vacuum pumping pump is examined by helium
Body is analyzed, and to determine that ceramic tube cavity air-tightness determines whether welding is qualified, that there are leakproofness is insecure for the above method
Defect, is easy the air-tightness of erroneous judgement battery, and accuracy rate is low.
Utility model content
The utility model In view of the above shortcomings of the prior art, proposes a kind of overhead welding air tightness detection system, will
Solid electrolyte ceramic pipe is placed in closed type chamber, helium inspection instrument is connected to ceramic tube cavity, in the intracavitary injection helium of closed type
It is detected, can be improved the reliability of air-leakage test, while repair welding can be carried out to underproof product, avoid because of welding
It is bad to lead to entire scrap of the product.
The utility model is achieved through the following technical solutions:
The utility model includes closed type chamber and the inert gas gas tank connecting with closed type chamber；
The closed type chamber includes cavity, end cover and sealing test mouth, ceramic tube to be measured is arranged in cavity, with it is close
Envelope test mouth coaxial arrangement, sealing test mouth are provided with sealing element and seal overhead welding region on ceramic tube to be measured, end cover pressing
Closed type chamber is sealed on cavity；
The sealing element is equipped with ventilation axis hole, and the ventilation axis hole is connected to ceramic tube to be measured, and the ventilation axis hole passes through
First piping connection has the first vacuum pump and is equipped with the first valve, has inert gas leak detector by the second piping connection and is equipped with
Second valve, inert gas leak detector are connected with the second vacuum pump；Second pipeline is equipped with vacuum meter, and vacuum meter setting exists
Before second valve.
The sealing element includes that bottom is equipped with the closure push rod of block head and is set in the seal sleeve blocked on push rod, is led to
Gas axis hole penetrates through block head and blocks push rod, and block head is pressed on ceramic tube overhead welding position and ventilation axis hole and ceramic tube cavity are connected
Lead to and overhead welding region is sealed；It is equipped with a no less than resealing circle between closure push rod and the seal sleeve, guarantees
Test air-tightness；Preferably, it is equipped with triple seal circle, avoids that single sealing ring air-tightness during blocking push rod push-and-pull is arranged
May be by destroying the case where.
The end cover is arranged on guide rod and is connected with line handspike, and ceramic tube to be measured passes through connector and sealed end
Lid is fixedly connected；The end cover is pressed through line handspike and cavity.
The overhead welding air tightness detection system is equipped with a no less than closed type chamber.
Preferably, the overhead welding air tightness detection system is set there are two closed type chamber, controls two by setting pipe valve
Overhead welding air-leakage test is alternately in a closed type chamber.
The closed type chamber is connected with silencer by pipeline and is equipped with valve.
Technical effect
Compared with prior art, solid electrolyte ceramic pipe is placed in closed type chamber by the utility model, by helium inspection instrument with
The connection of ceramic tube cavity, is detected in the intracavitary injection helium of closed type, can be improved the reliability of air-leakage test, while energy
It is enough that repair welding is carried out to underproof product, it avoids leading to entire scrap of the product because of failure welding.
Detailed description of the invention
Fig. 1 is 1 system structure diagram of embodiment；
Fig. 2 is sealing element half section structure diagram in embodiment 1；
Fig. 3 is overhead welding artwork；
Fig. 4 is overhead welding regional structure schematic diagram in Fig. 3；
In figure: the first closed type chamber 1, the second closed type chamber 2, the first vacuum pump 3, the second vacuum pump 4, vacuum meter 5, inertia
Gas leakage detector 6, inert gas gas tank 7, the first valve 8, the second valve 9, third valve 10, the 4th valve 11, silencer 12,
5th valve 13, the 6th valve 14, sealing element 101, ceramic tube 102, top bridge 103, cavity 104, end cover 105, guide rod
106, line handspike 107, seal sleeve 1011, closure push rod 1012, sealing ring 1013, block head 1014, ventilation axis hole 1015.
Specific embodiment
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Embodiment 1
As depicted in figs. 1 and 2, the present embodiment include: the first closed type chamber 1, the second closed type chamber 2, the first vacuum pump 3,
Second vacuum pump 4, vacuum meter 5, inert gas leak detector 6 and inert gas gas tank 7；
The first closed type chamber 1 and the second closed type chamber 2 are equipped with cavity 104, end cover 105 and sealing test
Mouthful, ceramic tube 102 to be measured is arranged in cavity 104, is coaxially disposed with sealing test mouth, and sealing test mouth is provided with sealing element
Overhead welding region on 101 sealing ceramic tubes 102 to be measured；End cover 105 is pressed together on cavity 104 close to the progress of each closed type chamber
Envelope, each closed type chamber connect with inert gas gas tank 7 and are equipped with valve；
The sealing element 101 is equipped with ventilation axis hole 1015, and the ventilation axis hole 1015 is connected to ceramic tube 102 to be measured, institute
It states ventilation axis hole 1015 to be connected by the first pipeline with the first vacuum pump 3 and be equipped with the first valve 8, passes through the second pipeline and inertia
Gas leakage detector 6 is connected and is equipped with the second valve 9, and inert gas leak detector 6 is connected with the second vacuum pump 4；Second pipeline
It is equipped with vacuum meter 5, vacuum meter 5 is arranged before the second valve 9.
The sealing element 101 includes that bottom is equipped with the closure push rod 1012 of block head 1014 and is set in closure push rod 1012
On seal sleeve 1011, ventilation axis hole 1015 penetrates through block head 1014 and blocks push rod 1012, and block head 1014 is pressed on ceramics
Tube top weldering position makes ventilation axis hole 1015 be connected to ceramic tube cavity and be sealed to overhead welding region.
Triple seal circle 1013 is equipped between the closure push rod 1012 and seal sleeve 1011.
The end cover 105 is arranged on guide rod 106 and is connected with line handspike 107, through line handspike 107 and cavity
104 pressings, ceramic tube 102 to be measured are fixedly installed by connector and end cover 105.
The present embodiment is equipped with the control of third valve 10 first between the first closed type chamber 1 and the first pipeline, the second pipeline
Pipeline, the second pipeline on-off；The present embodiment is equipped with the 4th valve between the second closed type chamber 2 and the first pipeline, the second pipeline
11 control the first pipelines, the second pipeline on-off.
The first closed type chamber 1 is connected with silencer 12 by pipeline and is equipped with the 5th valve 13, second sealing
Type chamber 2 is connected with silencer 12 by pipeline and is equipped with the 6th valve 14, and ceramic tube 102 is airtight in accordingly test closed type chamber
Property detection after phenomena such as opening silencer 12 and respective valves, avoiding pinking, improve test jobs safety and comfort.
The present embodiment grabs the ceramic tube to be measured 102 through overhead welding at work, by six-joint robot, by ceramic tube to be measured
102 are fixed on the connector fixed with end cover 105 in the first closed type chamber 1, and the second closed type chamber 2 is in airtight at this time
Property detection in；
To the end of detecting in the second closed type chamber 2, the 4th valve 11 and the second valve 9 are closed, it will by line handspike 107
End cover 105 is pressed together on cavity 104, then is sealed by sealing element 101 to ceramic tube 102, the first closed type chamber 1,
The first valve 8 and third valve 10 are opened again to vacuumize by the first vacuum pump 3, after pressure maintaining 1~3 second, are read by vacuum meter 5
Vacuum values, the valve opened between inert gas gas tank 7 and the first closed type chamber 1 if vacuum leak does not occur are passed through indifferent gas
Body to certain pressure turns off, and guarantees to be passed through inert gas again without vacuum leak after otherwise overhauling；
In the case where no vacuum leak, the first valve 8 is closed, opens the second valve 9, the work of the second vacuum pump 4, inertia
Gas leakage detector 6 extracts gas in ceramic tube 102 and is analyzed, and judges the air-tightness after ceramic tube 102 welds；It takes out later close
Sealing 101 simultaneously pulls out ceramic tube 102 by line handspike 107 and guide rod 106, then by six-joint robot crawl and to qualification
Product are classified with rejected product.
The inert gas is argon gas.
The welding airtightness of ceramic tube 102 detects alternately in first closed type chamber 1 and the second closed type chamber 2, wherein
One is detected, another carries out loading and unloading, improves system utilization efficiency.
All pipelines use corrugated stainless steel tubing, and additional clip is attached, and guarantee leakproofness.
First vacuum pump 3 and the second vacuum pump 4 discharge exhaust gas dock pipe special, avoid pollution.
The detection leak rate of the present embodiment is up to 1.0 × 10-7MbarL/s, accuracy rate are high.
It is emphasized that: the above is only the preferred embodiment of the present utility model, not appoints to the utility model
What formal limitation, any simple modification made by the above technical examples according to the technical essence of the present invention, etc.
With variation and modification, it is still within the scope of the technical solutions of the present invention.
Claims (7)
1. a kind of overhead welding air tightness detection system, which is characterized in that including closed type chamber and the indifferent gas being connect with closed type chamber
Body gas tank；
The closed type chamber includes cavity, end cover and sealing test mouth, and ceramic tube to be measured is arranged in cavity, surveys with sealing
Mouth coaxial arrangement is tried, sealing test mouth is provided with sealing element and seals overhead welding region on ceramic tube to be measured, and end cover is pressed together on chamber
Closed type chamber is sealed on body；
The sealing element is equipped with ventilation axis hole, and the ventilation axis hole is connected to ceramic tube to be measured, and the ventilation axis hole passes through first
Piping connection has the first vacuum pump and is equipped with the first valve, has inert gas leak detector by the second piping connection and is equipped with second
Valve, inert gas leak detector are connected with the second vacuum pump；Second pipeline is equipped with vacuum meter, and vacuum meter is arranged second
Before valve.
2. overhead welding air tightness detection system according to claim 1, characterized in that the sealing element includes that bottom is equipped with closure
The closure push rod of head and the seal sleeve being set on closure push rod, ventilation axis hole penetrate through block head and block push rod, block head
Being pressed on ceramic tube overhead welding position makes ventilation axis hole be connected to ceramic tube cavity and be sealed to overhead welding region；The closure
It is equipped with a no less than resealing circle between push rod and seal sleeve, guarantees test air-tightness.
3. overhead welding air tightness detection system according to claim 2, characterized in that between closure push rod and the seal sleeve
Equipped with triple seal circle.
4. overhead welding air tightness detection system according to claim 1, characterized in that the end cover is arranged on guide rod simultaneously
It is connected with line handspike, ceramic tube to be measured is fixedly connected by connector with end cover；The end cover is through line handspike
It is pressed with cavity.
5. overhead welding air tightness detection system according to claim 1, characterized in that the overhead welding air tightness detection system is equipped with
A no less than closed type chamber.
6. overhead welding air tightness detection system according to claim 5, characterized in that the overhead welding air tightness detection system is equipped with
Two closed type chambers, alternately by overhead welding air-leakage test in setting pipe valve two closed type chambers of control.
7. overhead welding air tightness detection system according to claim 1, characterized in that the closed type chamber is by pipeline and eliminates the noise
Device is connected and is equipped with valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821522217.9U CN208847410U (en) | 2018-09-18 | 2018-09-18 | Overhead welding air tightness detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821522217.9U CN208847410U (en) | 2018-09-18 | 2018-09-18 | Overhead welding air tightness detection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208847410U true CN208847410U (en) | 2019-05-10 |
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ID=66373047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821522217.9U Active CN208847410U (en) | 2018-09-18 | 2018-09-18 | Overhead welding air tightness detection system |
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| Country | Link |
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| CN (1) | CN208847410U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108956026A (en) * | 2018-09-18 | 2018-12-07 | 博众精工科技股份有限公司 | Overhead welding air tightness detection system |
-
2018
- 2018-09-18 CN CN201821522217.9U patent/CN208847410U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108956026A (en) * | 2018-09-18 | 2018-12-07 | 博众精工科技股份有限公司 | Overhead welding air tightness detection system |
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