CN108777413A - A kind of bent radio-frequency connector of salt spray resistance proof voltage hermetic seal - Google Patents
A kind of bent radio-frequency connector of salt spray resistance proof voltage hermetic seal Download PDFInfo
- Publication number
- CN108777413A CN108777413A CN201810522393.0A CN201810522393A CN108777413A CN 108777413 A CN108777413 A CN 108777413A CN 201810522393 A CN201810522393 A CN 201810522393A CN 108777413 A CN108777413 A CN 108777413A
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- Prior art keywords
- main body
- inner wire
- glass
- glass sintering
- sintering component
- 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.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
- H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/03—Contact members characterised by the material, e.g. plating, or coating materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
- H01R13/405—Securing in non-demountable manner, e.g. moulding, riveting
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
- H01R13/504—Bases; Cases composed of different pieces different pieces being moulded, cemented, welded, e.g. ultrasonic, or swaged together
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/533—Bases, cases made for use in extreme conditions, e.g. high temperature, radiation, vibration, corrosive environment, pressure
Landscapes
- Connections Arranged To Contact A Plurality Of Conductors (AREA)
Abstract
The invention discloses a kind of bent radio-frequency connectors of salt spray resistance proof voltage hermetic seal, including interface main body and micro-strip main body.Interface main body of the present invention, which uses, to be set to glass sintering component in the glass sintering component holes of flange shell, and the main body outer conductor of glass sintering component and the glass sintering component holes of flange shell are welded；The main body inner wire and main body outer conductor of glass sintering component are made of 4J29 kovar alloy materials, are improved the matching degree of the coefficient of expansion in glass sintering component, are reduced the internal stress of glass insulator, improve the compactness of crystal；The salt spray resistance ability of the present invention is improved using 316L stainless steel material manufacturing flange shells and curved sandwich type element, the setting of curved sandwich type element, horizontal inner wire and vertical inner wire in micro-strip main body of the present invention, the creepage length of connector corner can be increased, dielectric withstanding voltage index is promoted, the present invention has the advantages that gas sealing ability, salt spray resistance index and dielectric withstanding voltage index greatly improve.
Description
Technical field
The present invention relates to radio frequency coaxial electric connector technical field, especially a kind of curved formula of salt spray resistance proof voltage hermetic seal
Radio frequency connector.
Background technology
Contemporary electronic systems equipment has an increasingly higher demands to the resistance to environment capacity of radio frequency connector, and traditional gas
Hermetically sealed connector is due to metal shell material is using kovar alloy, and base material salt spray resistance ability is poor, generally 48h.
Also occur directly carrying out the product structure of glass sintering using the stronger stainless steel material of salt spray resistance ability currently on the market,
But due to the stainless steel wire coefficient of expansion compared with the matching degree of expansion coefficient of glass thread kovar alloy linear expansion coefficient and glass
The matching degree of linear expansion coefficient has certain gap, so the inner glass stress of stainless steel glass sealing product is relatively large,
Its reliability compares Kovar glass sealing-in product also with certain gap, therefore stainless steel glass sealing product does not have also
Case applied to occasions such as aerospaces.Except above-mentioned reason, stainless steel sealed product is in some more complicated product structures
On, since product structure limits, and it cannot achieve the glass sealing structure of stainless steel material；And in the glass of some micro holes
Sealing-in application scenario, there is also the gross imperfections or local crystallization etc. such as part leakage burning are microcosmic scarce for stainless steel glass sealing product
It falls into.
Invention content
The purpose of the present invention is in view of the deficiencies of the prior art and provide a kind of salt spray resistance proof voltage hermetic seal curved formula
Radio frequency connector, interface main body of the present invention, which uses, to be set to glass sintering component in the glass sintering component holes of flange shell, and
The main body outer conductor of glass sintering component is welded with the glass sintering component holes of flange shell；It is led in the main body of glass sintering component
Body and main body outer conductor are made of 4J29 kovar alloy materials, improve main body inner wire in glass sintering component, outside main body
The matching degree of conductor and the glass insulation coefficient of volume expansion, the internal stress for reducing glass insulator, the compactness for improving crystal；
The salt spray resistance ability of the present invention, micro-strip master of the present invention are improved using 316L stainless steel material manufacturing flange shells and curved sandwich type element
The setting of curved sandwich type element, horizontal inner wire and vertical inner wire on body can increase the creepage length of connector corner, promoted and be situated between
Matter proof voltage index.The present invention has the advantages that gas sealing ability, salt spray resistance index and dielectric withstanding voltage index greatly improve.
Realize the specific implementation mode of the object of the invention：
A kind of bent radio-frequency connector of salt spray resistance proof voltage hermetic seal, feature include interface main body and micro-strip main body.
The interface main body is made of flange shell, "O"-ring 12 and glass sintering component；
The flange shell is the interior cylindrical member equipped with glass sintering component holes and connection internal thread, peripheral hardware flange, the end of flange
Face is equipped with seal groove；
The glass sintering component is made of main body inner wire, main body outer conductor and glass insulator, main body inner wire and main body
Outer conductor is coaxially disposed, and glass insulator is sintered between main body inner wire and main body outer conductor；
The glass sintering component is set in the glass sintering component holes of flange shell, and the main body outer conductor of glass sintering component
It is welded with the glass sintering component holes of flange shell, "O"-ring is set in the seal groove of flange shell.
The micro-strip main body is by curved sandwich type element, horizontal inner wire, horizontal insulator, vertical inner wire and vertical insulator structure
At；
" L " shape through-hole is set in the curved sandwich type element, the horizontal segment of curved sandwich type element is equipped with connection external screw thread；
Described horizontal inner wire one end is radially provided with internal thread, and one end of vertical inner wire is axially arranged with external screw thread；
The horizontal inner wire is set to together with horizontal insulator in the horizontal segment of curved sandwich type element " L " shape through-hole, and vertical inner wire connects
It is set to vertical insulator in the vertical section of curved sandwich type element " L " shape through-hole, the external screw thread of vertical inner wire and horizontal inner wire
Internal thread engages.
The micro-strip main body is docked with interface main body, the company of curved sandwich type element connection external screw thread and flange shell in micro-strip main body
Internal thread engagement is connect, the horizontal inner wire of micro-strip main body is docked with the main body inner wire of interface main body.
The flange shell and curved sandwich type element are made by 316L stainless steel materials.
The main body inner wire and main body outer conductor is made by 4J29 kovar alloy materials, and the surface of main body outer conductor
Gold-plated processing.
The glass insulator is sintered by 7070 glass materials.
The glass sintering component hole surface of the flange shell carries out partially plating gold processing.
Interface main body of the present invention, which uses, to be set to glass sintering component in the glass sintering component holes of flange shell, and glass
The main body outer conductor of sintered components is welded with the glass sintering component holes of flange shell；The main body inner wire of glass sintering component and
Main body outer conductor is made of 4J29 kovar alloy materials, improves main body inner wire in glass sintering component, main body outer conductor
And the glass insulation coefficient of volume expansion matching degree, reduce the internal stress of glass insulator, improve the compactness of crystal；Using
316L stainless steel material manufacturing flange shells and curved sandwich type element improve the salt spray resistance ability of the present invention, in micro-strip main body of the present invention
The setting of curved sandwich type element, horizontal inner wire and vertical inner wire can increase the creepage length of connector corner, and it is resistance to promote medium
Voltage indexes.The present invention has the advantages that gas sealing ability, salt spray resistance index and dielectric withstanding voltage index greatly improve.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram of interface main body of the present invention；
Fig. 3 is the structural schematic diagram of micro-strip main body of the present invention.
Specific implementation mode
Refering to fig. 1, the present invention includes interface main body 1 and micro-strip main body 2.
Refering to fig. 1, Fig. 2, the interface main body 1 are made of flange shell 11, "O"-ring 12 and glass sintering component；
The flange shell 11 is the interior column equipped with glass sintering component holes 111 and connection internal thread 114, peripheral hardware flange 112
The end face of part, flange 112 is equipped with seal groove 113, and "O"-ring 12 is set in the seal groove 113 of flange shell 11；
The glass sintering component is made of main body inner wire 13, main body outer conductor 14 and glass insulator 15, main body inner wire
13 are coaxially disposed with main body outer conductor 14, and glass insulator 15 is sintered between main body inner wire 13 and main body outer conductor 14；
The glass sintering component is set in the glass sintering component holes 111 of flange shell 11, and the main body of glass sintering component
Outer conductor 14 and the glass sintering component holes 111 of flange shell 11 are welded.
Refering to fig. 1, Fig. 3, the micro-strip main body 2 is by curved sandwich type element 21, horizontal inner wire 22, horizontal insulator 23, vertical
Inner wire 24 and vertical insulator 25 are constituted；
" L " shape through-hole is set in the curved sandwich type element 21, the horizontal segment of curved sandwich type element 21 is equipped with connection external screw thread 211；
Described 22 one end of horizontal inner wire is radially provided with internal thread, and one end of vertical inner wire 24 is axially arranged with external screw thread；
The horizontal inner wire 22 is set to together with horizontal insulator 23 in the horizontal segment of curved sandwich type element 21 " L " shape through-hole, vertical interior
Conductor 24 is set to together with vertical insulator 25 in the vertical section of curved sandwich type element 21 " L " shape through-hole, the external screw thread of vertical inner wire 24
It is engaged with the internal thread of horizontal inner wire 22.
Refering to fig. 1, Fig. 2, Fig. 3, the micro-strip main body 2 are docked with interface main body 1, and curved sandwich type element 21 connects in micro-strip main body 2
It connects external screw thread 211 to engage with the connection internal thread 114 of flange shell 11, horizontal inner wire 22 and the interface main body 1 of micro-strip main body 2
Main body inner wire 13 dock.
The flange shell 11 and curved sandwich type element 21 is made by 316L stainless steel materials.
The main body inner wire 13 and main body outer conductor 14 is made by 4J29 kovar alloy materials, and main body outer conductor 14
Surface gold-plating processing.
The glass insulator 15 is sintered by 7070 glass materials,
111 surface of glass sintering component holes of the flange shell 11 carries out partially plating gold processing.
Embodiment
Refering to fig. 1, Fig. 2, Fig. 3, the present invention are made of interface main body 1 and 2 two parts of micro-strip main body, when installation, by interface
The panel attachment of the "O"-ring 12 and cabinet of main body 1, flange 112 and the panel of cabinet are connected, and realize interface main body 1 and machine
Sealing between cabinet.
In use, curved sandwich type element 21 connects the connection internal thread 114 of external screw thread 211 and flange shell 11 in micro-strip main body 2
Engagement, you can the horizontal inner wire 22 for completing micro-strip main body 2 is docked with the main body inner wire 13 of interface main body 1, realizes radio frequency letter
Number transmission.
To improve the salt spray resistance ability of product, the present invention uses 316L stainless steel material manufacturing flanges shell 11 and curved formula shell
Body 21, and to the outer surface radial direction Passivation Treatment of flange shell 11 and curved sandwich type element 21.
Refering to fig. 1, Fig. 2 is low with stainless steel material coefficient of expansion matching degree to solve glass material in glass sintering component
The problem of, the present invention makes main body inner wire using the 4J29 kovar alloy materials high with glass material coefficient of expansion matching degree
13, main body outer conductor 14, to reduce the internal stress of glass insulator, improve the compactness of glass crystal, it is ensured that glass sintering group
The quality of part.
Refering to fig. 1, Fig. 2, to improve the seal of glass sintering component and flange shell 11, the present invention is to flange shell 11
111 surface of glass sintering component holes carry out partially plating gold processing, the surface of glass sintering module body outer conductor 14 is carried out
Gold-plated processing；When glass sintering component is set to implementation welding in the glass sintering component holes 111 of flange shell 11, gold-plated place
The technique of reason improves the welding performance of main body outer conductor 14 and the glass sintering component holes 111 of flange shell 11.
Refering to fig. 1, Fig. 3, for ease of the assembly of micro-strip main body 2, micro-strip main body 2 of the present invention is by curved sandwich type element 21, level
Conductor 22, horizontal insulator 23, vertical inner wire 24 and vertical insulator 25 are constituted, when assembly, by horizontal inner wire 22 together with
Horizontal insulator 23 is set in the horizontal segment of curved sandwich type element 21 " L " shape through-hole, and vertical inner wire 24 is set together with vertical insulator 25
In in the vertical section of curved sandwich type element 21 " L " shape through-hole, and vertical inner wire 24 is threadedly coupled with the use of horizontal inner wire 22, this hair
The setting of bright curved sandwich type element 21, horizontal inner wire 22 and vertical inner wire 24, can increase the creepage length of connector corner, carry
Rise dielectric withstanding voltage index.
To increase frictional force of the vertical insulator 25 in curved sandwich type element 21 " L " shape through-hole vertical section, the present invention is in curved formula
It is provided with barb structure on shell 21 " L " shape through-hole vertical section inner wall, realizes the connection being reliably fixed.
The present invention is made by design, the selection of material and the formulation of technique to 2 structure of interface main body 1 and micro-strip main body
Gas sealing ability, salt spray resistance index and dielectric withstanding voltage index of the invention is obtained to greatly improve.
Claims (4)
1. a kind of bent radio-frequency connector of salt spray resistance proof voltage hermetic seal, it is characterised in that it includes interface main body（1）And it is micro-
Band main body（2）, the interface main body（1）By flange shell（11）, "O"-ring（12）And glass sintering component is constituted；
The flange shell（11）It is equipped with glass sintering component holes to be interior（111）And connection internal thread（114）, peripheral hardware flange
（112）Cylindrical member, flange（112）End face be equipped with seal groove（113）；
The glass sintering component is by main body inner wire（13）, main body outer conductor（14）And glass insulator（15）It constitutes, main body
Inner wire（13）With main body outer conductor（14）Coaxial arrangement, glass insulator（15）Sintering is in main body inner wire（13）With outside main body
Conductor（14）Between；
The glass sintering component is set to flange shell（11）Glass sintering component holes（111）It is interior, and glass sintering component
Main body outer conductor（14）With flange shell（11）Glass sintering component holes（111）Welding, "O"-ring（12）Set on flange shell
（11）Seal groove（113）It is interior；
The micro-strip main body（2）By curved sandwich type element（21）, horizontal inner wire（22）, horizontal insulator（23）, vertical inner wire
（24）And vertical insulator（25）It constitutes；
The curved sandwich type element（21）Inside set " L " shape through-hole, curved sandwich type element（21）Horizontal segment be equipped with connection external screw thread（211）；
The horizontal inner wire（22）One end is radially provided with internal thread, vertical inner wire（24）One end be axially arranged with external screw thread；
The horizontal inner wire（22）Together with horizontal insulator（23）Set on curved sandwich type element（21）In the horizontal segment of " L " shape through-hole,
Vertical inner wire（24）Together with vertical insulator（25）Set on curved sandwich type element（21）It is vertically interior to lead in the vertical section of " L " shape through-hole
Body（24）External screw thread and horizontal inner wire（22）Internal thread engagement；
The micro-strip main body（2）With interface main body（1）Docking, micro-strip main body（2）Upper curved sandwich type element（21）Connect external screw thread（211）
With flange shell（11）Connection internal thread（114）Engagement, micro-strip main body（2）Horizontal inner wire（22）With interface main body（1）
Main body inner wire（13）Docking.
2. a kind of bent radio-frequency connector of salt spray resistance proof voltage hermetic seal according to claim 1, it is characterised in that method
Blue shell（11）And curved sandwich type element（21）It is made by 316L stainless steel materials.
3. a kind of bent radio-frequency connector of salt spray resistance proof voltage hermetic seal according to claim 1, it is characterised in that main
Internal conductor（13）And main body outer conductor（14）It is made by 4J29 kovar alloy materials, and main body outer conductor（14）Surface gold-plating
Processing.
4. a kind of bent radio-frequency connector of salt spray resistance proof voltage hermetic seal according to claim 1, it is characterised in that method
Blue shell（11）Glass sintering component holes（111）Surface carries out partially plating gold processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810522393.0A CN108777413B (en) | 2018-05-28 | 2018-05-28 | A kind of bent radio-frequency connector of salt spray resistance proof voltage hermetic seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810522393.0A CN108777413B (en) | 2018-05-28 | 2018-05-28 | A kind of bent radio-frequency connector of salt spray resistance proof voltage hermetic seal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108777413A true CN108777413A (en) | 2018-11-09 |
| CN108777413B CN108777413B (en) | 2019-07-09 |
Family
ID=64027791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810522393.0A Active CN108777413B (en) | 2018-05-28 | 2018-05-28 | A kind of bent radio-frequency connector of salt spray resistance proof voltage hermetic seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108777413B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101510654A (en) * | 2009-03-20 | 2009-08-19 | 贵州航天电器股份有限公司 | Air-tight seal socket |
| CN201417866Y (en) * | 2009-05-04 | 2010-03-03 | 苏州中兴联精密工业有限公司 | Welding-free radio frequency connector |
| CN203859261U (en) * | 2014-05-09 | 2014-10-01 | 陕西华达科技股份有限公司 | Highly-reliable bending-type radio-frequency coaxial microstrip connector |
| CN204615036U (en) * | 2015-04-22 | 2015-09-02 | 陕西华达科技股份有限公司 | A kind of stainless steel casing connector be connected with semihard cable |
| WO2016027050A2 (en) * | 2014-07-11 | 2016-02-25 | Hughes Electronics | A low pim passive connection system for cellular networks |
| CN107039727A (en) * | 2017-03-30 | 2017-08-11 | 中航光电科技股份有限公司 | Coaxial microband switching and the connector assembly using switching |
| CN206806664U (en) * | 2017-04-10 | 2017-12-26 | 陕西华达科技股份有限公司 | A kind of high voltage withstanding bent type radio frequency coaxial connector |
| CN107994421A (en) * | 2017-11-10 | 2018-05-04 | 镇江华京通讯科技有限公司 | A kind of bent type radio frequency coaxial connector |
-
2018
- 2018-05-28 CN CN201810522393.0A patent/CN108777413B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101510654A (en) * | 2009-03-20 | 2009-08-19 | 贵州航天电器股份有限公司 | Air-tight seal socket |
| CN201417866Y (en) * | 2009-05-04 | 2010-03-03 | 苏州中兴联精密工业有限公司 | Welding-free radio frequency connector |
| CN203859261U (en) * | 2014-05-09 | 2014-10-01 | 陕西华达科技股份有限公司 | Highly-reliable bending-type radio-frequency coaxial microstrip connector |
| WO2016027050A2 (en) * | 2014-07-11 | 2016-02-25 | Hughes Electronics | A low pim passive connection system for cellular networks |
| CN204615036U (en) * | 2015-04-22 | 2015-09-02 | 陕西华达科技股份有限公司 | A kind of stainless steel casing connector be connected with semihard cable |
| CN107039727A (en) * | 2017-03-30 | 2017-08-11 | 中航光电科技股份有限公司 | Coaxial microband switching and the connector assembly using switching |
| CN206806664U (en) * | 2017-04-10 | 2017-12-26 | 陕西华达科技股份有限公司 | A kind of high voltage withstanding bent type radio frequency coaxial connector |
| CN107994421A (en) * | 2017-11-10 | 2018-05-04 | 镇江华京通讯科技有限公司 | A kind of bent type radio frequency coaxial connector |
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| Publication number | Publication date |
|---|---|
| CN108777413B (en) | 2019-07-09 |
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Inventor after: Guo Yang Inventor after: Wang Yanhui Inventor before: Wang Yanhui |