CN102607776B - Water-proof shell convenient for seal test and seal test method thereof - Google Patents
Water-proof shell convenient for seal test and seal test method thereof Download PDFInfo
- Publication number
- CN102607776B CN102607776B CN201210063217.8A CN201210063217A CN102607776B CN 102607776 B CN102607776 B CN 102607776B CN 201210063217 A CN201210063217 A CN 201210063217A CN 102607776 B CN102607776 B CN 102607776B
- Authority
- CN
- China
- Prior art keywords
- housing
- test
- air pressure
- sealing
- shell
- 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
- 238000012360 testing method Methods 0.000 title claims abstract description 72
- 238000010998 test method Methods 0.000 title abstract 2
- 238000007789 sealing Methods 0.000 claims abstract description 53
- 238000006243 chemical reaction Methods 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000012530 fluid Substances 0.000 claims description 5
- 239000003292 glue Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 9
- 239000007901 soft capsule Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 25
- 238000001514 detection method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 230000002262 irrigation Effects 0.000 description 2
- 238000003973 irrigation Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Landscapes
- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses a water-proof shell convenient for a seal test and a seal test method thereof. The structure of the water-proof shell comprises a shell. The water-proof shell is characterized in that the shell is provided with a test hole, wherein the test hole is used for introducing gas or extracting gas to carry out a water-proof seal test on the shell; the test hole is provided with a sealing plug which can be pierced; the sealing plug is plugged in the test hole; and the sealing plug and the test hole are in interference fit. The method comprises the following steps: firstly, piercing a soft capsule on the shell by the test syringe needle of an air pressure conversion regulator to extend into the cavity of the shell; secondly, controlling a scavenge pipe or an air suction pipe by the air pressure conversion regulator to apply positive air pressure or negative air pressure to the inside of the shell by the test syringe needle; thirdly, observing air flowing, and judging whether the shell is sealed; and finally, sealing the test hole.
Description
Technical field
The present invention relates to a kind of organization plan of being convenient to waterproof case sealing test, refer to especially a kind of waterproof case of sealing test and tightness testing method of this housing be convenient to.
Background technology
As everyone knows, continuous variation along with people life style, also along with the variation on people's the continuous practical function of demand, as waterproof sealing aspect, constantly there is on the market waterproof mobile phone, waterproof camera etc. in some carry-on instrument articles for use that people use.
Mobile electronic equipment is to popularize in a large number at present the electronic equipment using, for mobile electronic equipment, such as mobile phone, national standard has waterproof sealing requirement, in production practices, factory, for the waterproof sealing performance test of mobile phone, is generally to adopt in two ways: a kind of mode is test prototype to be placed in to water soak the regular hour, then takes out and detects the inner presentation that whether has water to infiltrate; Another kind of mode is the gas inject of certain pressure value to be extracted in handset shell or from handset shell out to the gas of certain pressure value, observes whether there is lasting gas flow, thereby obtains the whether good result of waterproof sealing performance of mobile phone.
Two kinds of methods as above, although can realize the waterproof sealing performance test of model machine, all belong to sampling Detection, are not suitable for the online mode of production absolutely detecting.First kind of way is obviously not suitable for that every mobile phone producing is all placed in to water and tests; For second method, first it will punch on the housing of mobile phone, and then sealing tracheae owing to need to destroy the housing of mobile phone when testing, is not suitable for absolutely online detection for this reason yet.For the above-mentioned reasons, factory adopts the water resistance of verifying mobile phone by batch mode that extraction model machine detects, because not being absolutely all detects online, while is due to the difference of operator in production run and equipment, the every a collection of product that factory dispatches from the factory, the product that always has some has problems in water resistance, and obviously prior art has further improved necessity.Be more than conditional electronic equipment waterproof sealing testing scheme existing major technique defect in the specific implementation, be the subject matter that the present invention will research and solve.
Summary of the invention
The object of the present invention is to provide a kind of waterproof case of sealing test and tightness testing method of this housing be convenient to, its technical problem underlying to be solved is: the existing housing to mobile electronic equipment is not suitable for absolutely online waterproof sealing and detects.It is more than technical problem underlying to be solved by this invention.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of waterproof case of being convenient to sealing test, comprise housing, it is characterized in that: on described housing, offer an instrument connection that described housing is carried out to waterproof sealing test for passing into gas or extracting gases, in described instrument connection, be provided with the seal plug that can pierce through, described seal plug is blocked in described instrument connection, and interference fit between described seal plug and described instrument connection.
Be preferable over: on described instrument connection, be processed with counterbore, described seal plug screw plug is located in described counterbore, interference fit between described seal plug and described counterbore, the butt-end packing of filling in one end in described counterbore on described seal plug holds on the step between described instrument connection and described counterbore.
Be preferable over: the soft rubber stopper that described seal plug is a kind of cylinder, on described soft rubber stopper, be provided with O-ring seal, by described O-ring seal to carrying out enhanced leaktightness between described soft rubber stopper and the inner hole wall of counterbore.
Be preferable over: between the step that described soft rubber stopper and described counterbore form in described instrument connection, be provided with PC sheet, between described PC sheet and described step, drip irrigation has fluid glue, described PC sheet sealing sticks on described step.
A tightness testing method of being convenient to the waterproof case of sealing test, is characterized in that: its step comprises:
First, soft rubber stopper on housing described in the test needle pierces of air pressure conversion regulator is probeed in the chamber of housing, described air pressure conversion regulator has input air pressure pipe and gets rid of pneumatic tube, and described input air pressure pipe is to the pressure-air of inputting 1.0MP in described air pressure adjustment converter;
Secondly, by described air pressure conversion regulator control gas blow pipe or air intake duct, by described test syringe needle, in described housing, apply positive air pressure or negative pressure, unobstructed for guaranteeing the inner chamber of test syringe needle and housing, the instrument connection of offering on housing can not have foam, double faced adhesive tape or any structure of shutoff perforate that causes to exist by cavity medial surface, separately, after inserting, need from instrument connection, stretch out by test syringe needle, to guarantee the unobstructed of syringe needle;
Again, observe flowing of gas, judge whether described housing seals: as described in the sealing state of housing good,, after the air pressure balance between housing and described air pressure conversion regulator, gas will stop flowing; As described in the sealing state of housing not good, in described air pressure conversion regulator, can continue gas to be filled with or to be extracted out in described housing;
Finally, closed test hole, after having tested, is first pasted into PC sheet on the step that counterbore in described instrument connection forms, and then splashes into a certain amount of fluid glue, as silica gel etc. by as described in the permanent sealing of instrument connection, afterwards described soft rubber stopper is filled in described counterbore.
Be preferable over: when housing is carried out to sealing test, preferably use air-breathing test, as found seal gas leakage, insert gas blow pipe described housing is inflated, housing is immersed in the water simultaneously, can find Gas leak position.
Compared with prior art, the technique effect of present patent application is: the invention provides a kind of waterproof case of sealing test and tightness testing method of this housing be convenient to, the present invention is in the specific implementation: first, by offer an instrument connection on described housing, the cavity in described housing is in communication with the outside, the described seal plug that recycling is blocked in described instrument connection carries out waterproof sealing to described instrument connection, when described housing is carried out to sealing test, only seal plug described in test needle pierces need be probeed in the cavity of described housing, can test the sealing property of described housing, described seal plug is replaceable after being pierced and detecting, thereby do not destroy the sealing of described housing, secondly, owing to being by being preset in injecting with sealing soft rubber stopper instrument connection on handset shell to the gas of the certain pressure applying in described housing in test, while having overcome test, housing is caused the problem of damage for this reason, thereby applicable method of the present invention, can absolutely detect online mobile electronic equipment, obvious object of the present invention is achieved.
Accompanying drawing explanation
Fig. 1 is broken section decomposing schematic representation of the present invention.
Fig. 2 is the broken section decomposing schematic representation of a kind of preferred embodiment of the present invention.
Fig. 3 is a kind of soft rubber stopper schematic perspective view of the present invention.
Fig. 4 is the broken section assembling schematic diagram of a kind of preferred embodiment of the present invention.
Fig. 5 is that state cross-sectional schematic is executed in housing detection of the present invention.
Fig. 6 is that method of the present invention is implemented schematic diagram.
Embodiment
What below with reference to accompanying drawing 1 to 6 and preferred embodiment, the present invention is proposed is a kind ofly convenient to the waterproof case of sealing test and the tightness testing method of this housing is done more to describe in detail.
As shown in Figure 1, the invention provides a kind of waterproof case of being convenient to sealing test, comprise housing 10, it is characterized in that: on described housing 10, offer an instrument connection 20 that described housing 10 is carried out to waterproof sealing test for passing into gas or extracting gases, in described instrument connection 20, be provided with the seal plug 30 that can pierce through, described seal plug 30 is blocked in described instrument connection 20, and interference fit between described seal plug 30 and described instrument connection 20.
The present invention in the specific implementation, by offer an instrument connection 20 on described housing 10, the cavity in described housing 10 is in communication with the outside, 30 pairs of described instrument connections 20 of described seal plug that recycling is blocked in described instrument connection 20 carry out waterproof sealing, when described housing 10 is carried out to sealing test, only seal plug 30 described in test needle pierces need be probeed in the cavity of described housing 10, can test the sealing property of described housing 10, described seal plug 30 is replaceable after being pierced and detecting, thereby does not destroy the sealing of described housing 10.
As shown in Figure 2, preferred embodiment one: be processed with counterbore 21 on described instrument connection 20, described seal plug 30 plugs are located in described counterbore 21, interference fit between described seal plug 30 and described counterbore 21, the butt-end packing of filling in one end in described counterbore 21 on described seal plug 30 holds on the step 22 between described instrument connection 20 and described counterbore 21.The present invention in the specific implementation, utilizing interference fit between the axial plane of described seal plug 30 and the hole wall of counterbore 21 to reach seals described instrument connection 20, utilize the end face of described seal plug 30 to support on described step 22, further described instrument connection 20 is sealed, utilize the step 22 that described counterbore 21 forms in described instrument connection 20 to form a structure to described seal plug 30 axial location, prevent that described seal plug 30 from being filled in described housing 10 under the effect of external force.
As shown in Figure 3, preferred embodiment two: the soft rubber stopper that described seal plug 30 is a kind of cylinder, is provided with O-ring seal 31, by carrying out enhanced leaktightness between 31 pairs of described soft rubber stoppers of described O-ring seal and the inner hole wall of counterbore 21 on described soft rubber stopper.
As shown in Figure 4, preferred embodiment three: be provided with PC sheet 32 between the step 22 that described soft rubber stopper and described counterbore 21 form in described instrument connection 20, between described PC sheet 32 and described step 22, drip irrigation has fluid glue, 32 sealings of described PC sheet stick on described step 22, by sealing, stick in PC sheet 32 on described step 22 by the permanent sealing of described instrument connection 20.
As shown in Figure 5,6, a kind of tightness testing method of being convenient to the waterproof case of sealing test, is characterized in that: its step comprises:
First, the soft rubber stopper that the test syringe needle 41 of air pressure conversion regulator 40 is pierced through on described housing 10 probes in the chamber of housing 10, described air pressure conversion regulator 40 has input air pressure pipe 42 and gets rid of pneumatic tube 43, and described input air pressure pipe 44 is to the pressure-air of inputting 1.0MP in described air pressure adjustment converter 40;
Secondly, by described air pressure conversion regulator 40 control gas blow pipes 44 or air intake duct 45, by described test syringe needle 41, in described housing 10, apply positive air pressure or negative pressure, unobstructed with the inner chamber of housing 10 for guaranteeing test syringe needle 41, the instrument connection 20 of offering on housing 10 can not have foam, double faced adhesive tape or any structure of shutoff perforate that causes to exist by cavity medial surface, separately, after inserting, need from instrument connection 20, stretch out by test syringe needle 41, to guarantee the unobstructed of syringe needle;
Again, observe flowing of gas, judge whether described housing 10 seals: as described in the sealing state of housing 10 good,, after the air pressure balance between housing 10 and described air pressure conversion regulator 40, gas will stop flowing; As described in the sealing state of housing 10 not good, in described air pressure conversion regulator 40, can continue gas to be filled with or to be extracted out in described housing 10, above two states can significantly be observed by certain mode, therefore the sealing property of test verification cavity thus;
Finally, closed test hole, after having tested, first PC sheet 32 is pasted on the step 22 that in described instrument connection 20, counterbore 21 forms, then splash into a certain amount of fluid glue, as silica gel etc. by as described in the permanent sealing of instrument connection 20, described soft rubber stopper is filled in described counterbore 21 afterwards;
The present invention in the specific implementation, owing to being by being preset in injecting with sealing soft rubber stopper instrument connection on handset shell to the gas of the certain pressure applying in described housing 10 in test, while having overcome test, housing is caused the problem of damage for this reason, thereby applicable method of the present invention, can absolutely detect online mobile electronic equipment, obvious object of the present invention is achieved.
In test process: if the cavity of housing 10 and outside air conducting, air can be continuous through described air pressure conversion regulator 40 by gas blow pipe 42 or air intake duct, while being stabilized in a certain state to air-flow size, finally can demonstrate related data in the viewing area of described air pressure conversion regulator 40; As good seal, do not have air to enter regulator, display screen also has corresponding data to show.
Preferred embodiment: when housing 10 is carried out to sealing test, preferably use air-breathing test, as found seal gas leakage, insert 44 pairs of described housings 10 of gas blow pipe and inflate, housing 10 is immersed in the water simultaneously, can find Gas leak position.Air intake duct and the large I of gas blow pipe air pressure are regulated by regulator, and its size is different with the difference of testing standard.
Comprehensive the above, technical scheme of the present invention can fully effectively complete foregoing invention object, and structural principle of the present invention and the principle of work and power are all verified in an embodiment fully, and can reach effect and the object of expection, and embodiments of the invention also can convert according to these principles, therefore, the present invention includes all and in claim, mention all replacement contents in scope.Any equivalence of doing in the present patent application the scope of the claims changes, within all belonging to the scope of the claims of this case application.
Claims (2)
1. a tightness testing method of being convenient to the waterproof case of sealing test, is characterized in that: its step comprises:
First, soft rubber stopper on housing described in the test needle pierces of air pressure conversion regulator is probeed in the chamber of housing, described air pressure conversion regulator has input air pressure pipe and gets rid of pneumatic tube, and described input air pressure pipe is to the pressure-air of inputting 1.0MP in described air pressure adjustment converter;
Secondly, by described air pressure conversion regulator control gas blow pipe or air intake duct, by described test syringe needle, in described housing, apply positive air pressure or negative pressure, unobstructed for guaranteeing the inner chamber of test syringe needle and housing, the instrument connection of offering on housing can not have any structure of shutoff perforate that causes to exist by cavity medial surface, separately, after inserting, need from instrument connection, stretch out by test syringe needle, to guarantee the unobstructed of syringe needle;
Again, observe flowing of gas, judge whether described housing seals: as described in the sealing state of housing good,, after the air pressure balance between housing and described air pressure conversion regulator, gas will stop flowing; As described in the sealing state of housing not good, in described air pressure conversion regulator, can continue gas to be filled with or to be extracted out in described housing;
Finally, closed test hole, after having tested, is first pasted into PC sheet on the step that in described instrument connection, counterbore forms, and then splashes into a certain amount of fluid glue by the permanent sealing of described instrument connection, afterwards described soft rubber stopper is filled in described counterbore.
2. a kind of tightness testing method of being convenient to the waterproof case of sealing test as claimed in claim 1, it is characterized in that: when housing is carried out to sealing test, use air-breathing test, as found, seal leaks gas, inserting gas blow pipe inflates described housing, housing is immersed in the water simultaneously, can finds Gas leak position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210063217.8A CN102607776B (en) | 2012-03-12 | 2012-03-12 | Water-proof shell convenient for seal test and seal test method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210063217.8A CN102607776B (en) | 2012-03-12 | 2012-03-12 | Water-proof shell convenient for seal test and seal test method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102607776A CN102607776A (en) | 2012-07-25 |
| CN102607776B true CN102607776B (en) | 2014-09-10 |
Family
ID=46525345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210063217.8A Active CN102607776B (en) | 2012-03-12 | 2012-03-12 | Water-proof shell convenient for seal test and seal test method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102607776B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3079032A1 (en) * | 2018-03-19 | 2019-09-20 | Tyco Electronics France Sas | Electrical box and method for testing the tightness of the electrical box |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103237229B (en) * | 2013-04-28 | 2015-09-30 | 潍坊同辉电子科技有限公司 | A kind of video camera and leak detection method thereof |
| CN104880279B (en) * | 2014-02-28 | 2017-08-15 | 神讯电脑(昆山)有限公司 | Notebook computer water-proof air extractor |
| CN104093290B (en) * | 2014-07-26 | 2017-05-24 | 深圳市宝尔爱迪科技有限公司 | Electronic device waterproof structure and waterproof mobile phone provided with same |
| CN104105376A (en) * | 2014-07-30 | 2014-10-15 | 珠海格力电器股份有限公司 | Sealed electrical box and sealing detection method |
| CN105258865A (en) * | 2015-06-09 | 2016-01-20 | 中山市天键电声有限公司 | High-precision waterproof test apparatus |
| KR102313587B1 (en) * | 2016-10-12 | 2021-10-15 | 후아웨이 테크놀러지 컴퍼니 리미티드 | Sealing performance inspection method, apparatus and storage medium |
| CN106454663B (en) * | 2016-11-30 | 2022-02-18 | 歌尔股份有限公司 | Loudspeaker module |
| WO2018171064A1 (en) * | 2017-03-21 | 2018-09-27 | 华为技术有限公司 | Sealing apparatus |
| CN107748044A (en) * | 2017-10-13 | 2018-03-02 | 苏州佳世达光电有限公司 | A kind of water-tight device for being easy to self seal performance test |
| CN108980069B (en) * | 2018-08-22 | 2021-01-26 | 芜湖飞龙汽车电子技术研究院有限公司 | Plastic package shell convenient to electronic water pump test |
| CN109341190B (en) * | 2018-09-14 | 2021-03-02 | 湖州日晨生态农业开发有限公司 | Freezing box waterproof method suitable for freshwater fish |
| CN110686831A (en) * | 2019-11-08 | 2020-01-14 | 江西腾勒动力有限公司 | Engine cylinder block oil duct leakage test shutoff frock |
| CN111678652A (en) * | 2020-06-23 | 2020-09-18 | 北京品驰医疗设备有限公司 | Testing device for coarse leakage detection of sealing performance of sealing ring and testing method using testing device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3748893A (en) * | 1971-06-30 | 1973-07-31 | Atlas Chem Ind | Method and apparatus for detecting defective shells |
| CN2410508Y (en) * | 2000-02-02 | 2000-12-13 | 阜新化工设备有限责任公司 | Differential pressure regulator |
| CN201238425Y (en) * | 2008-07-04 | 2009-05-13 | 青岛海信移动通信技术股份有限公司 | External connection port structure |
| CN102098891A (en) * | 2009-12-10 | 2011-06-15 | 佳能企业股份有限公司 | Waterproof electronic device with test structure, water leakage tester and testing method |
| CN102156027A (en) * | 2010-02-11 | 2011-08-17 | 芯讯通无线科技（上海）有限公司 | Air-tightness detection method for touch panel |
| CN202471359U (en) * | 2012-03-12 | 2012-10-03 | 陈东明 | Waterproof shell being convenient for seal test |
-
2012
- 2012-03-12 CN CN201210063217.8A patent/CN102607776B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3748893A (en) * | 1971-06-30 | 1973-07-31 | Atlas Chem Ind | Method and apparatus for detecting defective shells |
| CN2410508Y (en) * | 2000-02-02 | 2000-12-13 | 阜新化工设备有限责任公司 | Differential pressure regulator |
| CN201238425Y (en) * | 2008-07-04 | 2009-05-13 | 青岛海信移动通信技术股份有限公司 | External connection port structure |
| CN102098891A (en) * | 2009-12-10 | 2011-06-15 | 佳能企业股份有限公司 | Waterproof electronic device with test structure, water leakage tester and testing method |
| CN102156027A (en) * | 2010-02-11 | 2011-08-17 | 芯讯通无线科技（上海）有限公司 | Air-tightness detection method for touch panel |
| CN202471359U (en) * | 2012-03-12 | 2012-10-03 | 陈东明 | Waterproof shell being convenient for seal test |
Non-Patent Citations (1)
| Title |
|---|
| 吴智华等 主编.聚合物制品材料的选择.《高分子材料成型工艺学》.四川大学出版社,2010,第29-30页. * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3079032A1 (en) * | 2018-03-19 | 2019-09-20 | Tyco Electronics France Sas | Electrical box and method for testing the tightness of the electrical box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102607776A (en) | 2012-07-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102607776B (en) | Water-proof shell convenient for seal test and seal test method thereof | |
| CN206696045U (en) | Gas taking device for simulation experiment | |
| CN206710042U (en) | A kind of lithium ion battery helium leak check instrument | |
| CN103674822A (en) | Gas and liquid two-phase flow loop corrosion experiment device | |
| CN202305339U (en) | Explosion-proof pressure test device for air pressure on capacitor case | |
| WO2010135114A3 (en) | Pressure testable tubing connection | |
| CN203643307U (en) | Gas-liquid two-phase loop corrosion experiment device | |
| CN106197893B (en) | Mobile phone sealing ring air tightness detection equipment | |
| CN104236826A (en) | Bagged product tightness detection device and method | |
| CN103913279A (en) | Method and device for testing leakproofness of oil cooler by mixing helium and air | |
| CN218725059U (en) | Leakproofness testing arrangement is used in production of medical wrapping bag | |
| CN106483180A (en) | Blood gas analyzer and its vim and vigour biochemical test card | |
| CN108871695A (en) | Leakage detection device used before lithium battery liquid injection | |
| CN103927913A (en) | Deep stratum environment carbon dioxide geological sequestration simulation experiment system | |
| CN109238577A (en) | Curtain wall leak detection apparatus and detection method | |
| CN205958203U (en) | Cell -phone sealing washer gas tightness check out test set | |
| CN106483179A (en) | Blood gas analyzer and its vim and vigour biochemical test card | |
| CN202471359U (en) | Waterproof shell being convenient for seal test | |
| CN203719978U (en) | Standard gas preparation device | |
| CN203231876U (en) | Glove leak detector applied to portable isolator | |
| CN104111150A (en) | Device for detecting airtightness of container detection port and detection method | |
| CN106950016A (en) | A kind of device hunted leak for high-pressure oil pipe high pressure | |
| CN208000259U (en) | A kind of analogue measurement starts the device of pressure | |
| CN203350005U (en) | Device for isolator system to test glove integrity online | |
| CN106353130B (en) | Device and method for simulating pressure-maintaining drilling coring |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN POWER IDEA TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: CHEN DONGMING Effective date: 20141128 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 518033 SHENZHEN, GUANGDONG PROVINCE TO: 518057 SHENZHEN, GUANGDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20141128 Address after: 518057 Guangdong, Nanshan District hi tech Zone, the new North West Road, No. 7 LAN LAN Technology Park, block A, building 4 Patentee after: Power Idea Technology Limited Address before: Nanshan District Shahe road Shenzhen city Guangdong province 518033 No. 27 building 3 301 British Gardens Patentee before: Chen Dongming |