CN108760181A - A kind of air-conditioning helium inspection line - Google Patents
A kind of air-conditioning helium inspection line Download PDFInfo
- Publication number
- CN108760181A CN108760181A CN201810596571.4A CN201810596571A CN108760181A CN 108760181 A CN108760181 A CN 108760181A CN 201810596571 A CN201810596571 A CN 201810596571A CN 108760181 A CN108760181 A CN 108760181A
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- helium
- shift unit
- wire body
- workpiece
- conditioning
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- 239000001307 helium Substances 0.000 title claims abstract description 99
- 229910052734 helium Inorganic materials 0.000 title claims abstract description 99
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 title claims abstract description 97
- 238000004378 air conditioning Methods 0.000 title claims abstract description 29
- 238000007689 inspection Methods 0.000 title claims abstract description 28
- 230000009471 action Effects 0.000 claims abstract description 9
- 238000012360 testing method Methods 0.000 claims abstract description 3
- 238000007789 sealing Methods 0.000 claims description 16
- 230000003068 static effect Effects 0.000 claims description 16
- 238000012546 transfer Methods 0.000 claims description 9
- 229920000642 polymer Polymers 0.000 claims description 3
- 238000012797 qualification Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 230000002950 deficient Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 14
- 230000008569 process Effects 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/20—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
Abstract
The present invention provides a kind of air-conditioning helium to examine line, including：Helium checking device, be provided with along pipeline ontology it is multiple, have be suitable for helium inspection working space and entrance and exit；First wire body, connection outlet and pipeline ontology；Second wire body, connection outlet and setting position；First shift unit, driving workpiece enter working space；Second shift unit drives the workpiece in working space to be delivered to the first wire body or the second wire body by outlet；Controller, the action of the first shift unit is controlled according to Work position information, and the action of the second shift unit is controlled according to the testing result of helium checking device.The multiple workpiece of the present invention can pass in and out helium checking device simultaneously, and production efficiency is obviously improved.Moreover, vacuum helium inspection case and automatic distinguishing helium inspection certified products and defective work can be passed in and out automatically, instead of hand picking classification defective work, carrying personnel and sorting personnel is reduced, artificial input cost has been saved, has improved the degree of automation.
Description
Technical field
The present invention relates to field air-conditioning process and assemble technical fields, and in particular to a kind of air-conditioning helium inspection line.
Background technology
The effect of two devices of air-conditioning, that is, evaporator, condenser is the core component of air-conditioning heat exchange.If air conditioner two-unit leaks,
Air-conditioning can be made to lose refrigeration, entire air-conditioning system is made to can not work normally.So after two devices machine, also one
A important technique is exactly leakage detecting process, and the main purpose of the technique is detected to air conditioner two-unit anti-leak, to ensure sky
Two device No leakages are adjusted, to ensureing that product quality is most important.
Currently, when traditional assembly line carries out helium inspection, need manually to be transported in helium inspection machine, after leak detection again by
It is manually carried in production line tooling, also needs to distinguish and place helium inspection qualification and underproof two device.The labor intensity of this process
Greatly, labor intensity is high, and the degree of automation is low.
In the prior art, the Chinese invention patent of publication number CN101246074A provides a kind of air conditioner two-unit helium checking device
And technique, air conditioner two-unit helium checking are：Assembly line direction is provided at least two sliding rails, what is be slidably matched on each sliding rail is equipped with
Carriage；Jointing is set on carriage, and jointing is finally communicated with air source, vacuum pump by control valve；Helium is examined
Technique includes at least following process：Jointing is connect with workpiece, nitrogen is filled with into workpiece, detects the big leakage of workpiece；Control
Valve is converted, and is vacuumized to workpiece by jointing；Control valve is converted, and fills helium to workpiece by jointing；Close connection
Connector, by the endotracheal helium recovery of jointing；Jointing returns under the action of carriage to sliding rail front end；Upper
It states in first four process, jointing can move under carriage effect along assembly line direction.
In the technical solution that above-mentioned patent provides, although workpiece can be realized in a plug between jointing and workpiece
Detecting leakage, multiple processes such as vacuumize, fill helium, helium recovery, but workpiece is true there is still a need for sequentially entering on assembly line
Empty helium inspection case carries out helium inspection, and such setting constrains production efficiency.And still need to manually distinguish certified products and defective work, automatically
Change degree is relatively low.
Invention content
Therefore, the technical problem to be solved in the present invention be to overcome production efficiency and the degree of automation in the prior art compared with
Low defect, to provide a kind of air-conditioning helium inspection line.
A kind of air-conditioning helium provided by the invention examines line, including：
Pipeline ontology carries simultaneously conveying workpieces；
Helium checking device, be provided with along the pipeline ontology it is multiple, have be suitable for helium inspection working space and with it is described
The entrance and exit of working space connection；
First wire body, the corresponding outlet setting, and extend to the pipeline ontology；
Second wire body, the corresponding outlet setting, and extend to setting position；
First shift unit drives the workpiece on the pipeline ontology to enter work sky by the entrance
Between；
Second shift unit drives the workpiece in the working space to be removed by the outlet, has and examines helium
The qualified workpiece be delivered to first wire body first state and by helium examine the underproof workpiece be delivered to it is described
Second state of the second wire body；
Controller controls first shift unit according to the Work position information and acts, according to the helium checking device
Testing result control second shift unit action.
Optionally, the entrance vertically pipeline ontology setting, the workpiece transmission of first shift unit
Extending direction of the direction perpendicular to the pipeline ontology.
Optionally, first wire body and second wire body are extended perpendicular to the outlet towards arranged side by side, described
Extending direction of the workpiece direction of transfer of second shift unit perpendicular to first wire body.
Optionally, the entrance and the outlet are oppositely arranged, first shift unit and second shift unit
Workpiece direction of transfer it is conllinear.
Optionally, first shift unit and second shift unit are jacking Roller conveyor, the jacking Roller conveyor
The jacking apparatus of drum apparatus and the jacking drum apparatus including polymer product.
Optionally, including respectively the pipeline ontology, the helium checking device, first wire body and described second are corresponded to
The first conllinear jacking Roller conveyor of wire body setting, the described drum apparatus direction of transfer, the second jacking Roller conveyor, third jacking rolling
Cylinder line and the 4th jacking Roller conveyor；The first jacking Roller conveyor and the second jacking Roller conveyor form the first displacement dress
It sets, the second jacking Roller conveyor, third jacking Roller conveyor and the 4th jacking Roller conveyor form the second shift unit.
Optionally, the helium checking device include have working space, it is described outlet and the entrance vacuum tank；It is described true
Compressor for filling helium, vacuum pump and pipeline structure for vacuumizing are installed at the top of empty van.
Optionally, the corresponding pipeline ontology is extended that there are four the helium checking devices.
Optionally, further include the static sealing wire being extended along the pipeline ontology；The pipeline ontology and institute
State the third shift unit for being provided between static sealing wire and the workpiece being driven to shift therebetween.
Optionally, the pipeline ontology corresponds to the other side of the static sealing wire and is provided with along the pipeline ontology
The waiting wire body of extension；The waiting wire body stores the workpiece for carrying；The third shift unit drives the workpiece
It is moved between the static sealing wire, the pipeline ontology and the waiting wire body.
Technical solution of the present invention has the following advantages that：
1. a kind of air-conditioning helium provided by the invention examines line, multiple workpiece can pass in and out helium checking device simultaneously, and production efficiency obtains
It is obviously improved.Moreover, examining case mode using full-automatic disengaging vacuum helium, automatic distinguishing helium examines certified products and defective work, and passes
It send to different transmission line bodies, instead of hand picking classification defective work, reduces carrying personnel and sorting personnel, reached the personnel reduction
The target of synergy has saved artificial input cost, has improved the degree of automation.
2. a kind of air-conditioning helium provided by the invention examines line, piping, welding sequence are transferred on static sealing wire, avoided defeated
The influence of line sending transfer operation and productive temp reduces the task difficulty and operation intensity of employee, improves the production of product
Efficiency reduces the hidden danger of quality of product, improves the qualification rate of product.
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 the structural schematic diagram that a kind of air-conditioning helium provided by the invention examines line embodiment；
Fig. 2 is the partial enlarged view in Fig. 1；
Fig. 3 is the partial enlarged view of another location in Fig. 1.
Reference sign：
1- pipelines ontology, 2- helium checking devices, the first wire bodies of 3-, the second wire bodies of 4-, 5- static state sealing wire, 6- wait for line
Body.
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.
Fig. 1 to Fig. 3 shows a kind of embodiment of air-conditioning helium inspection line provided by the invention.
From figure 1 it appears that air-conditioning helium inspection line includes pipeline ontology 1, helium checking device 2, the first wire body 3, second
Wire body 4, waits for wire body 6 and control system at static sealing wire 5.
Pipeline ontology 1 is pipeline agent structure, and design position, root are delivered to for carrying workpiece, and by workpiece
It is disposed to extend according to practical matter.In the present embodiment, pipeline ontology 1 includes two load bearing beams extended parallel, two load bearing beam branch
The working plate both ends of support carrying workpiece, under the driving of power plant, working plate can be slided along load bearing beam, to realize workpiece
Conveying.
From figure 2 it can be seen that corresponding 1 one end position of pipeline ontology, is uniformly arranged along 1 extending direction of pipeline ontology
There are four helium checking devices 2.Helium checking device 2 includes vacuum helium inspection case, compressor, vacuum pump and pipeline structure.Vacuum helium examines case
Square box structure, opposite sides is provided with entrance and opening, and uses self-closed door termination.Vacuum helium examines case in automatic sealing package
The working space for being suitable for helium inspection is formed after closing door termination.Vacuum pump and compressor pass through corresponding pipeline structure and vacuum helium respectively
It examines case to be connected, for vacuumizing and filling helium.Vacuum pump, compressor and corresponding pipeline structure are set to the top of vacuum helium inspection case
End utmostly reduces the space of hold facility.
Vacuum helium examines pipeline ontology 1 of the tank inlet towards corresponding position, i.e., entrance is towards perpendicular to corresponding pipeline sheet
The extending direction of body 1.The outlet of corresponding vacuum helium inspection case is set side by side with the first wire body 3 and the second wire body 4.First wire body 3 is to close
Lattice product pipeline, connection outlet and pipeline ontology 1, the workpiece for keeping helium inspection qualified enter subsequent processing.First wire body 3 and conveying
Line ontology 1 forms circular line.Second wire body 4 is defective work pipeline, connection outlet and setting position.It setting position can
Think and reprocesses line or defective work storage area.Outlet is towards perpendicular to the first wire body 3 and the second wire body 4.
Corresponding pipeline ontology 1, vacuum helium inspection case, the first wire body 3 and the second wire body 4 are respectively arranged with the first jacking roller
Line, the second jacking Roller conveyor, third jacking Roller conveyor and the 4th jacking Roller conveyor.Jacking Roller conveyor includes the roller of polymer product
The jacking apparatus of device and jacking drum apparatus.The drum apparatus direction of transfer of four jacking Roller conveyors is conllinear.
The drum apparatus of first jacking Roller conveyor and the second jacking Roller conveyor rises to same height under the action of jacking apparatus
When spending, workpiece can be delivered to working space, the first jacking Roller conveyor and the second jacking roller from pipeline ontology 1 by entrance
Line is collectively referred to as the first shift unit.
The drum apparatus of second jacking Roller conveyor and third jacking Roller conveyor rises to same height under the action of jacking apparatus
When spending, workpiece can be delivered to the first wire body 3, i.e. first state from working space.Second jacking Roller conveyor, third jack roller
It, can be empty from work by workpiece when the drum apparatus of line and the 4th jacking Roller conveyor rises to sustained height under the action of jacking apparatus
Between be delivered to the second wire body 4, i.e. the second state.Second jacking Roller conveyor, third jacking Roller conveyor and the 4th jacking Roller conveyor close
Referred to as the second shift unit.
As the alternative embodiments of jacking Roller conveyor, including the translating device of driving workpiece translational motion and driving translation dress
The jacking apparatus for the lifting set.Translating device can be conveyer belt, and chain drive, push rod is driven and other may be implemented workpiece and put down
The transmission device of shifting.
The front-end and back-end of corresponding helium checking device 2, pipeline ontology 1 include that automatic butt wire body and helium recycle wire body.From
Dynamic docking wire body upper connector is docked with the pipe fitting on working plate, to be automatically performed detecting leakage, to vacuumize and fill helium process.
After helium examines operation, pipe fitting automatic spring, helium recycling wire body is provided with helium retracting device, after helium inspection operation
Helium recovery.
Control system includes controller, and is electrically connected with the controller the sensings such as position detecting switch, photoelectric induction device
Device.
Air-conditioning helium examines the course of work of line：
Working plate carrying workpiece slides on pipeline ontology, before entering helium checking device 2 and carrying out helium inspection, first moves to certainly
Dynamic docking wire body, connecting tube is manually docked, be automatically performed detecting leakage, vacuumize, fill helium process with the pipe fitting on working plate.
After device operation, connector automatic spreading goes out, and manually removes.
When controller detects workpiece motion s to pipeline ontology corresponding with helium checking device 21 by position detecting switch
When upper, the first shift unit was controlled, so that jacking apparatus and drum apparatus is acted, board transmits deflecting, automatically into vacuum helium
Case is examined, installs photoelectric induction device additional in vacuum helium inspection case avris, after sensing that board enters to working space, closing door is automatic
It is closed, carries out helium and examine process.After having detected, the action of the second shift unit is controlled according to the OK/NG signals of babinet feedback --- helium
The first wire body of certified products automatic stream 3 after inspection, the second wire body of defective work automatic stream 4.
From figure 3, it can be seen that air-conditioning helium inspection line further includes the static sealing wire 5. being extended along pipeline ontology 1
The third shift unit of driving workpiece movement is provided between pipeline ontology 1 and static sealing wire 5.Third shift unit is same
Using jacking Roller conveyor, repeat no more.
The other side that pipeline ontology 1 corresponds to static sealing wire 5 is provided with the waiting wire body 6 extended along pipeline ontology 1.
Wait for wire body 6 that can store small batch workpiece.Workpiece to be welded flows into static sealing wire 5 from pipeline ontology 1, is welded in static state
Line 5 is piped, is welded, and pipeline ontology 1 is returned again to after operation, flows to next procedure.Such work pattern, reduces
Employee's task difficulty and operation intensity ensure that the quality of product.The production efficiency for optimizing scene, to meet required production
Beat.
As a kind of interchangeable embodiment, above-mentioned shift unit can be according to pipeline type change, for example, when defeated
When line sending is conveyer belt, the structure of the push rod of cylinder driving may be used.
In the present embodiment, four helium checking devices 2 of setting are in the placement constraint for considering helium checking device 2 and entire air-conditioning helium
The preferred embodiment on the basis of line productive temp balanced ratio is examined, not only can guarantee size layout but also wire body line balancing can be met
Rate ensures production efficiency.It should be evident that number can be arranged in helium checking device 2 determines according to actual conditions.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (10)
1. a kind of air-conditioning helium examines line, which is characterized in that including：
Pipeline ontology (1) carries simultaneously conveying workpieces；
Helium checking device (2), be provided with along the pipeline ontology (1) it is multiple, have be suitable for helium inspection working space and with institute
State the entrance and exit of working space connection；
First wire body (3), the corresponding outlet setting, and extend to the pipeline ontology (1)；
Second wire body (4), the corresponding outlet setting, and extend to setting position；
First shift unit drives the workpiece on the pipeline ontology (1) to enter work sky by the entrance
Between；
Second shift unit drives the workpiece in the working space to be removed by the outlet, has helium examining qualification
The workpiece be delivered to the first state of first wire body (3) and helium examined into the underproof workpiece and be delivered to described
Second state of two wire bodies (4)；
Controller controls first shift unit according to the Work position information and acts, according to the helium checking device (2)
Testing result controls the second shift unit action.
2. air-conditioning helium according to claim 1 examines line, it is characterised in that：The entrance vertically pipeline ontology
(1) it is arranged, the extending direction of the workpiece direction of transfer of first shift unit perpendicular to the pipeline ontology (1).
3. air-conditioning helium according to claim 2 examines line, it is characterised in that：First wire body (3) and second wire body
(4) perpendicular to the outlet towards being extended side by side, the workpiece direction of transfer of second shift unit is perpendicular to described the
The extending direction of one wire body (3).
4. air-conditioning helium according to claim 3 examines line, it is characterised in that：The entrance and the outlet are oppositely arranged, institute
The workpiece direction of transfer for stating the first shift unit and second shift unit is conllinear.
5. the air-conditioning helium according to any one of claim 1-4 examines line, it is characterised in that：First shift unit and institute
It is jacking Roller conveyor to state the second shift unit, and the jacking Roller conveyor includes the drum apparatus and the jacking roller of polymer product
The jacking apparatus of device.
6. air-conditioning helium according to claim 5 examines line, it is characterised in that：Including correspond to respectively the pipeline ontology (1),
The helium checking device, first wire body (3) and second wire body (4) setting, the drum apparatus direction of transfer it is conllinear
First jacking Roller conveyor, second jacking Roller conveyor, third jacking Roller conveyor and the 4th jacking Roller conveyor；The first jacking rolling
Cylinder line and the second jacking Roller conveyor form first shift unit, the second jacking Roller conveyor, third jacking
Roller conveyor and the 4th jacking Roller conveyor form the second shift unit.
7. the air-conditioning helium according to any one of claim 1-6 examines line, it is characterised in that：The helium checking device (2) includes
Vacuum helium with working space, the outlet and the entrance examines case；It is equipped at the top of the vacuum helium inspection case for filling
The compressor of helium, vacuum pump and pipeline structure for vacuumizing.
8. the air-conditioning helium according to any one of claim 1-7 examines line, it is characterised in that：The corresponding pipeline ontology
(1) helium checking device (2) there are four being extended.
9. the air-conditioning helium according to any one of claim 1-8 examines line, it is characterised in that：Further include along the pipeline sheet
The extended static sealing wire (5) of body (1)；It is provided with drive between the pipeline ontology (1) and the static sealing wire (5)
Move the third shift unit that the workpiece shifts therebetween.
10. air-conditioning helium according to claim 9 examines line, it is characterised in that：The corresponding static state of the pipeline ontology (1)
The other side of sealing wire (5) is provided with the waiting wire body (6) extended along the pipeline ontology (1)；The waiting wire body (6) is used
The workpiece is stored in carrying；The third shift unit drives the workpiece in the static sealing wire (5), the pipeline
It is moved between ontology (1) and the waiting wire body (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810596571.4A CN108760181A (en) | 2018-06-11 | 2018-06-11 | A kind of air-conditioning helium inspection line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810596571.4A CN108760181A (en) | 2018-06-11 | 2018-06-11 | A kind of air-conditioning helium inspection line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108760181A true CN108760181A (en) | 2018-11-06 |
Family
ID=64022359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810596571.4A Withdrawn CN108760181A (en) | 2018-06-11 | 2018-06-11 | A kind of air-conditioning helium inspection line |
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| Country | Link |
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| CN (1) | CN108760181A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110006597A (en) * | 2019-04-23 | 2019-07-12 | 珠海格力智能装备有限公司 | Condenser helium examines work station |
| CN110274730A (en) * | 2019-07-02 | 2019-09-24 | 浙江国祥股份有限公司 | A kind of air-conditioning air tight test device |
| CN110420885A (en) * | 2019-08-29 | 2019-11-08 | 武汉逸飞激光设备有限公司 | It is a kind of annular transfer passage and helium detect pipeline |
| CN110749396A (en) * | 2019-11-21 | 2020-02-04 | 格力电器（武汉）有限公司 | Air conditioner leakage detection process monitoring method and device and air conditioner leakage detection system |
| CN114671232A (en) * | 2022-04-08 | 2022-06-28 | 珠海格力电器股份有限公司 | Tunnel type automatic box entering and exiting leakage detection system and working method thereof |
| CN117705374A (en) * | 2024-02-05 | 2024-03-15 | 宁德时代新能源科技股份有限公司 | Battery helium detection system and method |
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| CN105292988A (en) * | 2015-11-26 | 2016-02-03 | 重庆贝华科技有限公司 | Air conditioner outdoor unit welding production system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110006597A (en) * | 2019-04-23 | 2019-07-12 | 珠海格力智能装备有限公司 | Condenser helium examines work station |
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| CN110749396A (en) * | 2019-11-21 | 2020-02-04 | 格力电器（武汉）有限公司 | Air conditioner leakage detection process monitoring method and device and air conditioner leakage detection system |
| CN114671232A (en) * | 2022-04-08 | 2022-06-28 | 珠海格力电器股份有限公司 | Tunnel type automatic box entering and exiting leakage detection system and working method thereof |
| CN117705374A (en) * | 2024-02-05 | 2024-03-15 | 宁德时代新能源科技股份有限公司 | Battery helium detection system and method |
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Application publication date: 20181106 |