CN207066675U - Air tightness test box and rubber cushion test device - Google Patents
Air tightness test box and rubber cushion test device Download PDFInfo
- Publication number
- CN207066675U CN207066675U CN201720395708.0U CN201720395708U CN207066675U CN 207066675 U CN207066675 U CN 207066675U CN 201720395708 U CN201720395708 U CN 201720395708U CN 207066675 U CN207066675 U CN 207066675U
- Authority
- CN
- China
- Prior art keywords
- air
- lid
- rubber cushion
- mounting hole
- tightness
- 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.)
- Active
Links
Landscapes
- Examining Or Testing Airtightness (AREA)
Abstract
The utility model embodiment provides air tightness test box and rubber cushion test device, and for testing the air-tightness of rubber cushion, in one embodiment, the air tightness test box includes：Including the first lid and the second lid, first lid and the second lid are installed together by fixture, and form airtight cavity；Air admission hole, the air admission hole connect with the cavity；Wherein, the rubber cushion is arranged on the junction of first lid and the second lid, is folded between first lid and the second lid；In use, being inflated by the air admission hole into the cavity, gas in the cavity is detected by external airtight detecting apparatus and detected, to detect the air-tightness of the rubber cushion.
Description
Technical field
Detection technique field is the utility model is related to, in particular to a kind of airtight for using battery modules
Property rubber cushion carry out air tightness test air tightness test box and rubber cushion test device.
Background technology
Battery outer packing packing is a vital step in whole battery modules manufacturing process, the temperature in battery outer packing
Degree environment all has a great impact to the reliability of battery, life-span and performance.It is therefore desirable to will after the completion of battery outer packing packing
Meet a range of air-tightness requirement, to keep the relatively stable of battery outer packing internal temperature environment.Practical set process
In, due to the complexity (having curved surface, three-dimensional step etc.) of this body structure of battery case, the simple fastening for using machine screws can not
Avoiding two is not had gap between fastener, rubber cushion need to be used to coordinate with battery case and installed.The rubber cushion is coming into operation
Need to verify its air-tightness before.
In addition, in air-tightness verification process is carried out, the battery case typically used is qualified for that can put into production use
Product.But because battery case size is larger, thus the human and material resources that installing/dismounting process expends are also relatively more, and test
Battery case is the certified products that can be put into production use, and installation repeated to battery case, dismounting can be to batteries
The loss of the service life of shell, is unfavorable for actual production.
Utility model content
In view of this, the purpose of the utility model embodiment is to provide a kind of air tightness test box and rubber cushion test dress
Put.
A kind of air tightness test box that the utility model embodiment provides, for testing the air-tightness of rubber cushion, the air-tightness
Testing cassete includes：
Including the first lid and the second lid, first lid and the second lid are installed together by fixture, and
Form airtight cavity；
Air admission hole, the air admission hole connect with the cavity；
Wherein, the rubber cushion is arranged on the junction of first lid and the second lid, is folded in first lid
Between the second lid；In use, being inflated by the air admission hole into the cavity, examined by external airtight detecting apparatus
Survey gas in the cavity to be detected, to detect the air-tightness of the rubber cushion.
Preferably, first lid sets a groove, and second cover cap is located at the opening of the groove, described
Second lid covers the opening.
Preferably, the first securing plane is provided with first lid, first is provided with first securing plane
Mounting hole；The second mounting hole coordinated with first mounting hole is provided with second lid；The fixture by with
First mounting hole and the second mounting hole, which coordinate, is installed together first lid and the second lid.
Preferably, second lid is provided with the second securing plane, and it is tight that second mounting hole is arranged on described second
Gu in plane.
Preferably, it is provided with reserved location between first mounting hole and the top edge of the groove.
Preferably, the fastener is installed with first mounting hole and the second mounting hole interference fit.
Preferably, the air inlet position is provided with air inlet pipe.
Preferably, in addition to for the venthole that is connected with the external air-tightness detection device.
The utility model embodiment also provides a kind of rubber cushion test device, for testing the air-tightness of rubber cushion, the device
Including：
Housing, the housing include bottom surface and extended by the bottom surface and end to end multiple sides, the bottom surface and this is more
Individual side is collectively formed with receiving space；
The cover plate of the housing is covered on, the cover plate is connected to form air-tight chamber with the housing removable seal；And
The air admission hole being arranged on the housing or cover plate；
Wherein, rubber cushion installation portion is provided with cover plate and the object sealed connection, for installing rubber cushion to be measured；
In use, being inflated by the air admission hole into the air-tight chamber, detected by external airtight detecting apparatus
The air-tight cavity indoor gas is detected, to detect the air-tightness of the rubber cushion.
Preferably, it is provided with mounting hole on the housing and the cover plate；
The rubber cushion installation portion is arranged between the madial wall of the mounting hole and receiving space and houses sky around described
Between, the rubber cushion is arranged at the rubber cushion installation portion.
Preferably, the first securing plane is provided with the cover plate, the first installation is provided with first securing plane
Hole；The second mounting hole coordinated with first mounting hole is provided with the housing；The fixture is by with described first
Mounting hole and the second mounting hole, which coordinate, is installed together the cover plate and housing.
Compared with prior art, air tightness test box of the present utility model and rubber cushion test device, by using described airtight
Property testing cassete or rubber cushion test device substituting battery shell air tightness test is carried out to the rubber cushion, pair can be put into production reducing
The air-tightness of the rubber cushion can be effectively tested while the loss of the certified products battery case used.
To enable above-mentioned purpose of the present utility model, feature and advantage to become apparent, preferred embodiment cited below particularly, and
Accompanying drawing appended by cooperation, is described in detail below.
Brief description of the drawings
, below will be to required use in embodiment in order to illustrate more clearly of the technical scheme of the utility model embodiment
Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by
Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also
To obtain other related accompanying drawings according to these accompanying drawings.
Fig. 1 is the overall structure diagram for the air tightness test box that the utility model first embodiment provides.
Fig. 2 is the air tightness test box exploded perspective view shown in Fig. 1.
The structural representation of first lid of the air tightness test box that the preferred embodiment of Fig. 3 the utility model provides.
Fig. 4 is the structural representation that the air tightness test box that the utility model preferred embodiment provides coordinates with the rubber cushion
Figure.
Fig. 5 is the structural representation for the rubber cushion test device that the utility model second embodiment provides.
Icon：100- air tightness test boxes；The lids of 110- second；The mounting holes of 111- second；The securing planes of 112- second；
The lids of 120- first；The mounting holes of 121- first；The securing planes of 122- first；123- air admission holes；124- ventholes；125- outer walls；
126- grooves；130- connectors；140- tracheaes；141- air inlet pipe；142- escape pipes；300- rubber cushions；200- rubber cushion test devices；
210- cover plates；The mounting holes of 211- first；The securing planes of 212- first；220- housings；The mounting holes of 221- second；222- second is fastened
Plane；223- air admission holes；224- ventholes；225- side walls；226- rubber cushion installation portions；230- connectors；240- tracheaes；241- enters
Tracheae；242- escape pipes.
Embodiment
Below in conjunction with accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu, it is fully described by, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole realities
Apply example.The component of the utility model embodiment being generally described and illustrated herein in the accompanying drawings can be come with a variety of configurations
Arrangement and design.Therefore, the detailed description of the embodiment of the present utility model to providing in the accompanying drawings is not intended to limit below
Claimed the scope of the utility model, but it is merely representative of selected embodiment of the present utility model.Based on the utility model
Embodiment, all other embodiment that those skilled in the art are obtained on the premise of creative work is not made, all
Belong to the scope of the utility model protection.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent accompanying drawing in individual accompanying drawing.It is meanwhile new in this practicality
In the description of type, term " first ", " second " etc. are only used for distinguishing description, and it is not intended that indicating or implying relatively important
Property.
, it is necessary to explanation in description of the present utility model, the orientation of instruction such as term " on ", " under ", " interior ", " outer " or
Position relationship is based on orientation shown in the drawings or position relationship, or is usually visited during the utility model product use
Orientation or position relationship, it is for only for ease of description the utility model and simplifies description, rather than indicates or imply signified dress
Put or element there must be specific orientation, with specific azimuth configuration and operation, therefore can not be construed to of the present utility model
Limitation.
In description of the present utility model, it is also necessary to which explanation, unless otherwise clearly defined and limited, term " are set
Put ", " installation ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be directly connected to or by between intermediary in succession
Connect, can be the connection of two element internals.For the ordinary skill in the art, can be understood with concrete condition above-mentioned
Concrete meaning of the term in the utility model.
First embodiment
Fig. 1 is the overall structure diagram for the air tightness test box 100 that the utility model embodiment provides.The air-tightness
Testing cassete 100, for testing the air-tightness of rubber cushion, as shown in figure 1, the air tightness test box 100 includes the first lid 120, the
Two lids 110 and air admission hole 123.Wherein, the lid 110 of the first lid 120 and second is installed together by fixture, and
Airtight cavity is formed, the air admission hole 123 is arranged on the first lid 120 or the second lid 110 and connected with the cavity.
In the present embodiment, the junction that the rubber cushion 300 is arranged on first lid 120 and the second lid 110 (can join
Read Fig. 4), it is folded between the lid 110 of the first lid 120 and second.In use, by the air admission hole 123 to described
Inflated in cavity, gas in the cavity is detected by external airtight detecting apparatus and detected, to detect the rubber cushion 300
Air-tightness.
Further, promoting the circulation of qi first can be entered to the air tightness test box 100 before testing the rubber cushion 300
Close property test.During test, the interference of 120 and second lid of the first lid 110 is fastened and installed, passes through the air admission hole 123
The filling gas into the cavity, the gas in the cavity is detected by external airtight detecting apparatus, with detection
The air-tightness of the air tightness test box 100.In the present embodiment, in the good situation of the air-tightness of air tightness test box 100
Under, reuse the air-leakage test that the air tightness test box 100 is carried out to the rubber cushion 300.
In the present embodiment, as shown in Fig. 2 the first securing plane 122 is provided with first lid 120, described first
The first mounting hole 121 is provided with securing plane 122；The second securing plane 112 is provided with second lid 110, it is described
The second mounting hole 111 coordinated with first mounting hole 121 is provided with second securing plane 112；The fixture passes through
Coordinate with the mounting hole 111 of the first mounting hole 121 and second and the lid 110 of first lid 120 and second is arranged on one
Rise.Set the first securing plane 122 and second lid 110 that second securing plane 112 is set in first lid 120,
The first lid 120 can be enable more closely to be installed together with the second lid 110, because the air-tightness when preventing from testing
Not good enough the air tightness test mistake caused to the rubber cushion 300 of the air-tightness of testing cassete 100.
In an example, first securing plane 122 is arranged on the periphery of first lid 120.Described first
Mounting hole 121 is arranged on first securing plane 122, around the edge of first lid 120.Second fastening is flat
Face 112 is arranged on the periphery of second lid 110, and second mounting hole 111 is arranged on second securing plane 112
On, set around the edge of the second lid 110.Specifically, second mounting hole 111 and second mounting hole 111 can be with
Correspond and set.
As shown in figure 3, first lid 120 sets a groove 126, the lid of the second lid 110 is located at the groove
126 opening, to cover the opening.In an example, the groove 126 is the space of a cuboid.Described first
Securing plane 122 can be vertical with the outer wall 125 of the groove 126 of cuboid.In the present embodiment, first lid 120
Groove 126 and second lid 110 cooperatively form the cavity.
In the present embodiment, as shown in figures 2 and 3, the air admission hole 123 can be arranged on the outer wall of first lid 120
125.Certainly, in other embodiments, the air admission hole 123 can also be arranged on the bottom or of first lid 120
On two lids 110.
In the present embodiment, second lid 110 can also set fluted, and second lid 110 can also be set
Into a flat board.Second lid 110 shown in Fig. 1 to Fig. 4 is slab construction.
In the present embodiment, multiple passages can be set on the air tightness test box 100, be connected with each passage
Tracheae 140.
In the present embodiment, air inlet pipe 141 is installed at the air admission hole 123.When needing test, by the air admission hole 123
The filling gas into the cavity.Further, as shown in Fig. 2 the air inlet pipe 141 be arranged on by connector 130 it is described
At air admission hole 123.
In the present embodiment, the air tightness test box 100 also includes being used to connect with the external air-tightness detection device
The venthole 124 connect.As described in Figure 2, an escape pipe 142, the escape pipe 142 can also be connected with the venthole 124
It can also be arranged on by connector 130 at the venthole 124.In detail, can be at the venthole 124 during test
An external airtight detecting apparatus is connected, to realize to the air tightness test box 100 or the air-leakage test of rubber cushion 300.
In the present embodiment, referring to Fig. 2 or 3, the venthole 124 can be arranged on first lid 120
Outer wall 125.Certainly, in other embodiments, the venthole 124 can also be arranged on the bottom of first lid 120
Or second on lid 110.
As shown in figure 4, it is provided between first mounting hole 121 and the top edge of the groove 126 for installing institute
State the reserved location of rubber cushion 300.For Fig. 4 so that the groove 126 is rectangular parallelepiped space as an example, the reserved location is along described rectangular
The inwall top edge in body space is around the rectangle frame set.
In the present embodiment, the fastener is installed with the mounting hole 111 of the first mounting hole 121 and second interference fit.
Can effectively it be prevented by being interference fitted installation because the gas leakage of junction causes to carry out air-tightness survey to air tightness test box 100
Test result misjudgment.
The air tightness test box 100 provided according to above-described embodiment, by using the air tightness test box 100 or rubber cushion
300 test device substituting battery shells carry out air tightness test to the rubber cushion 300, are reducing the conjunction pair can put into production use
The air-tightness of the rubber cushion 300 can be effectively tested while the loss of lattice product battery case.
Second embodiment
Fig. 5 is the structural representation for the rubber cushion test device 200 that the utility model second embodiment provides.The utility model
Embodiment also provides a kind of rubber cushion test device 200, and for testing the air-tightness of rubber cushion 300, the device includes：Cover plate 210, shell
Body 220 and air admission hole 223.The housing 220 includes bottom surface and extended by the bottom surface and end to end multiple sides, the bottom
Face and the plurality of side are collectively formed with receiving space；The cover plate 210 is covered on the housing 220, the He of cover plate 210
The removable seal of housing 220 is connected to form air-tight chamber.The air admission hole 223 is arranged at the housing 220 or cover plate
On 210.Wherein, rubber cushion installation portion 226 is provided with the cover plate 210 and object sealed connection, for installing rubber cushion to be measured
300。
In use, being inflated by the air admission hole 223 into the air-tight chamber, examined by external airtight detecting apparatus
Survey the air-tight cavity indoor gas to be detected, to detect the air-tightness of the rubber cushion 300.
In the present embodiment, mounting hole is provided with the housing 220 and the cover plate 210.In one embodiment, such as
Shown in Fig. 5, the first mounting hole 211 is provided with the cover plate 210, the second mounting hole 221 is provided with the housing 220.Institute
The first mounting hole 211 is stated to correspond with second mounting hole 221.
The rubber cushion installation portion 226 is arranged between the inwall of the mounting hole and receiving space and houses sky around described
Between, the rubber cushion 300 is arranged at the rubber cushion installation portion 226.
As shown in figure 5, in the present embodiment, air inlet pipe 241 is installed at the air admission hole 223.When needing test, by described
The filling gas into the air-tight chamber of air admission hole 223.Further, as shown in figure 5, the air inlet pipe 241 passes through the company
Fitting 230 is arranged at the air admission hole 223.
In the present embodiment, the rubber cushion test device 200 also includes being used to connect with the external air-tightness detection device
The venthole 224 connect.As described in Figure 2, an escape pipe 242, the escape pipe 242 can also be connected with the venthole 224
It can also be arranged on by connector 230 at the venthole 224.In detail, can be at the venthole 224 during test
An external airtight detecting apparatus is connected, to realize to the rubber cushion test device 200 or the air-leakage test of rubber cushion 300.
In other embodiments, multiple air admission holes 223, each air inlet can also be set in the rubber cushion test device 200
Hole 223 is respectively connected with tracheae 240.
In one embodiment, the air admission hole 223 and venthole 224 may be provided at the side wall 225 of the housing 220
On.
In the present embodiment, as shown in figure 5, the first securing plane 212 is provided with the cover plate 210, first installation
Hole 211 is arranged on first securing plane 212；It is provided with the second securing plane 222 on the housing 220, described second
Mounting hole 221 is arranged on second securing plane 222, and fixture with first mounting hole 211 and second by installing
Hole 221, which coordinates, is installed together the cover plate 210 and housing 220.The cover plate 210 set the first securing plane 212 and
The housing 220 sets the second securing plane 222, and cover plate 210 can be enable more closely to be installed together with housing 220,
Prevent during test because not good enough the air tightness test mistake caused to the rubber cushion 300 of the air-tightness of rubber cushion test device 200
By mistake.
Other details on the present embodiment can also further refer to first embodiment, will not be repeated here.
The rubber cushion test device 200 provided according to above-described embodiment, by using the substituting battery of rubber cushion test device 200
Shell carries out air tightness test to the rubber cushion 300, is reducing the loss pair the certified products battery case that can be put into production use
While can be effectively tested the air-tightness of the rubber cushion 300.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model
Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.It should be noted that
Arrive：Similar label and letter represents similar terms in following accompanying drawing, therefore, once determined in a certain Xiang Yi accompanying drawing
Justice, then it further need not be defined and explained in subsequent accompanying drawing.
It is described above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art can readily occur in change in the technical scope that the utility model discloses
Or replace, it should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model should be described with power
The protection domain that profit requires is defined.
Claims (9)
1. a kind of air tightness test box, for testing the air-tightness of rubber cushion, it is characterised in that the air tightness test box includes：
Including the first lid and the second lid, first lid and the second lid are installed together by fixture, are formed close
Closed chamber body；
Air admission hole, the air admission hole connect with the cavity；
For the venthole being connected with external air-tightness detection device；
Wherein, the rubber cushion is arranged on the junction of first lid and the second lid, is folded in first lid and the
Between two lids；In use, inflated by the air admission hole into the cavity, by external airtight detecting apparatus to described
Gas is detected in cavity, to detect the air-tightness of the rubber cushion.
2. air tightness test box as claimed in claim 1, it is characterised in that first lid sets a groove, and described the
Two cover caps are located at the opening of the groove to cover the opening.
3. air tightness test box as claimed in claim 2, it is characterised in that be provided with the first fastening on first lid and put down
Face, the first mounting hole is provided with first securing plane；It is provided with second lid and matches somebody with somebody with first mounting hole
The second mounting hole closed；The fixture by coordinating with first mounting hole and the second mounting hole by first lid and
Second lid is installed together.
4. air tightness test box as claimed in claim 3, it is characterised in that second lid is provided with the second fastening and put down
Face, second mounting hole are arranged in second securing plane.
5. air tightness test box as claimed in claim 3, it is characterised in that the top of first mounting hole and the groove
The reserved location for installing the rubber cushion is provided between edge.
6. air tightness test box as claimed in claim 1, it is characterised in that the air inlet position is provided with air inlet pipe.
7. a kind of rubber cushion test device, for testing the air-tightness of rubber cushion, it is characterised in that the device includes：
Housing, the housing include bottom surface and extended by the bottom surface and end to end multiple sides, the bottom surface and the plurality of side
Face is collectively formed with receiving space；
The cover plate of the housing is covered on, the cover plate is connected to form air-tight chamber with the housing removable seal；And
The air admission hole being arranged on the housing or cover plate；
For the venthole being connected with external air-tightness detection device；
Wherein, rubber cushion installation portion is provided with cover plate and the object sealed connection, for installing rubber cushion to be measured；
In use, inflated by the air admission hole into the air-tight chamber, by external airtight detecting apparatus to the gas
Close chamber indoor gas is detected, to detect the air-tightness of the rubber cushion.
8. rubber cushion test device as claimed in claim 7, it is characterised in that be provided with installation on the housing and the cover plate
Hole；
The rubber cushion installation portion is arranged between the madial wall of the mounting hole and receiving space and around the receiving space, institute
Rubber cushion is stated to be arranged at the rubber cushion installation portion.
9. rubber cushion test device as claimed in claim 7, it is characterised in that the first securing plane is provided with the cover plate,
The first mounting hole is provided with first securing plane；Second coordinated with first mounting hole is provided with the housing
Mounting hole；The cover plate and housing are installed together by fixture by coordinating with first mounting hole and the second mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720395708.0U CN207066675U (en) | 2017-04-14 | 2017-04-14 | Air tightness test box and rubber cushion test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720395708.0U CN207066675U (en) | 2017-04-14 | 2017-04-14 | Air tightness test box and rubber cushion test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207066675U true CN207066675U (en) | 2018-03-02 |
Family
ID=61501233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720395708.0U Active CN207066675U (en) | 2017-04-14 | 2017-04-14 | Air tightness test box and rubber cushion test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207066675U (en) |
-
2017
- 2017-04-14 CN CN201720395708.0U patent/CN207066675U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6694055B2 (en) | Battery module with improved cooling duct sealing | |
| CN206095541U (en) | A detection tool for detecting battery top cap gas tightness | |
| CN211718180U (en) | Device for detecting moisture content of finished lithium ion electrolyte barrel | |
| CN207066675U (en) | Air tightness test box and rubber cushion test device | |
| CN206847875U (en) | The measurement jig of Kato air-tightness | |
| CN209043536U (en) | Rubber detects jig and detection device | |
| CN205483435U (en) | Product gas tightness check out test set | |
| CN214583901U (en) | Novel airtightness detection device | |
| CN106017828A (en) | Airtight type air tightness detection apparatus | |
| CN216116488U (en) | Battery internal pressure in-situ detection equipment | |
| CN215663005U (en) | Charging environment detection alarm device for electric bicycle charging pile | |
| CN212030830U (en) | Novel air tightness detection device of vapor chamber | |
| CN211568777U (en) | Insulation can of cold chain transportation usefulness | |
| CN207976258U (en) | A kind of device for the test of utensil air-tightness | |
| CN212539552U (en) | Calibration tool of airtight tester for power battery | |
| CN209803630U (en) | Testing device for electronic control system | |
| CN209617527U (en) | A kind of unmanned plane gas detection carry | |
| CN221056419U (en) | Environment test fixture | |
| CN207039001U (en) | A kind of electric power safety distribution box | |
| CN206557250U (en) | A kind of ATE based on electronic information technology | |
| CN213543908U (en) | Portable encapsulation shell and galvanic pile gas tightness check out test set | |
| CN216434313U (en) | Electricity core thermal runaway testing arrangement | |
| CN213658190U (en) | Tightness testing device | |
| CN219266049U (en) | Benzene board air permeability testing arrangement | |
| CN220356596U (en) | Air tightness detection device for PCB product |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 230601 Anhui Hefei economic and Technological Development Zone, Xin Xin Road, No. 62 power battery factory Patentee after: Huating (Hefei) Power Technology Co., Ltd. Address before: 230601 No. 26, No. 5, Tsing Luen Road, Hefei economic and Technological Development Zone, Anhui Patentee before: Huating (Hefei) Power Technology Co., Ltd. |
|
| CP02 | Change in the address of a patent holder |