CN102509671A - Relay with arc quenching devices - Google Patents
Relay with arc quenching devices Download PDFInfo
- Publication number
- CN102509671A CN102509671A CN2011103152159A CN201110315215A CN102509671A CN 102509671 A CN102509671 A CN 102509671A CN 2011103152159 A CN2011103152159 A CN 2011103152159A CN 201110315215 A CN201110315215 A CN 201110315215A CN 102509671 A CN102509671 A CN 102509671A
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- Prior art keywords
- blow
- relay
- magnet steel
- placed cavity
- seat
- 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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Links
- 238000010791 quenching Methods 0.000 title abstract description 10
- 230000000171 quenching effect Effects 0.000 title abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 42
- 239000010959 steel Substances 0.000 claims description 42
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 27
- 206010058109 Hangnail Diseases 0.000 claims description 17
- 230000003068 static effect Effects 0.000 claims description 13
- 210000002421 cell wall Anatomy 0.000 claims description 12
- 230000003044 adaptive effect Effects 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000000758 substrate Substances 0.000 abstract 3
- 238000010891 electric arc Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 239000004821 Contact adhesive Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005352 galvanomagnetic phenomena Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
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- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The invention relates to a relay with arc quenching devices. The relay comprises a substrate, a coil, an armature, sliders, moving contacts and fixed contacts, wherein the fixed contacts are arranged on the substrate; the sliders are arranged on the armature; the moving contacts corresponding to the fixed contacts are arranged on the sliders; a through arc quenching placing cavity is formed on the substrate and is arranged on one side of the fixed contacts, corresponding to the moving contacts; arc quenching devices are arranged in the arc quenching placing cavity; the arc quenching placing cavity extends toward the moving contacts along the fixed contacts to form an arc quenching chamber; and points of the moving and fixed contacts are arranged in the arc quenching chamber. The relay has the following beneficial effects that: the arc quenching devices are arranged near the moving and fixed contacts of the relay, so that the arc generated when the moving and fixed contacts are pulled in and disconnected is quickly adsorbed and quenched to prevent the contacts from being burnt down, thus greatly prolonging the service life of the relay.
Description
Technical field
The present invention relates to a kind of relay, especially a kind of relay with spark blowout.
Background technology
Relay is generally formed by iron core, coil, armature, moving contact, stationary contact are first-class; As long as add certain voltage at the coil two ends; Will flow through certain electric current in the coil; Thereby generation galvanomagnetic effect, armature will overcome the pulling force of return spring under the effect of electromagnetic attracting force inhales to iron core, thereby drives moving contact and fixed contact adhesive.The moving contact of relay can produce electric arc with fixed contact when contacting; Particularly powerful relay; Its inner moving contact contacts the electric arc that is produced with fixed contact can be with contact burning; Make and reduce in useful life of relay even can't normally use, can't utilize relay to switch high power load.
Summary of the invention
The objective of the invention is to overcome the defective of prior art, a kind of relay of the band spark blowout that can under heavy load condition, increase the service life is provided.
For realizing above-mentioned purpose, the present invention adopts a kind of relay with spark blowout, comprises pedestal, coil, armature, slide block, moving contact, fixed contact; Fixed contact is arranged on the pedestal; Slide block is arranged on the armature, and the moving contact corresponding with fixed contact is set on the slide block, forms the blow-out placed cavity that connects on the pedestal; The corresponding moving contact of blow-out placed cavity is arranged on one side of fixed contact; Be provided with spark blowout in the blow-out placed cavity, the blow-out placed cavity extends to form the expulsion element along fixed contact to the moving contact direction, and the contact of dynamic and static contact is all in the expulsion element.
The invention has the beneficial effects as follows near the dynamic and static contact of relay spark blowout is set that the electric arc that produces when making dynamic and static contact adhesive and breaking off is extinguished fast, prevents that contact from burning, and has improved the useful life of relay greatly; And all in the expulsion element, electric arc that its action produces can not have influence on other parts of relay, and can be extinguished by spark blowout faster for the adhesive of dynamic and static contact and disconnection.
The said spark blowout that the present invention further is set to comprises blow-out seat and multi-disc blow-out grid sheet, and the inwall that the blow-out seat is close to the blow-out placed cavity fixedly installs, and blow-out grid sheet along continuous straight runs evenly is arranged in the blow-out seat.Coming blow-out through blow-out grid sheet is modal blow-out mode, is applied in usually in the AC load relay, and blow-out grid sheet is segmented into electric arc and lets out expulsion of arc behind a plurality of short electric arcs and go out.
Another kind of the present invention is set to said spark blowout and comprises blow-out seat and magnet steel, and the inwall that the blow-out seat is close to the blow-out placed cavity fixedly installs, and magnet steel is arranged in the blow-out seat.The DC load relay adopts the magnet steel blow-out usually, and magnet steel extinguishes after arc column deflection being elongated.
The mounting means of blow-out seat of the present invention is that the inner of said blow-out seat outer wall both sides respectively forms a fastener; The one side of fastener towards the inner is the inclined-plane; The outer end of blow-out seat outer wall both sides respectively forms fixture block; Blow-out placed cavity inwall both sides form projection, and the fastener of blow-out seat and fixture block are stuck in the projection both sides and fix.Fastener can pass projection through pushing, and just is stuck in the inner of projection, thereby cooperates fixedly blow-out seat, simple installation with the fixture block of projection outer end.
Adopt the inner two side of blow-out seat that specifically is set to of blow-out grid sheet blow-out to form a plurality of grid film traps, said blow-out grid sheet is suction arc end towards an end of moving contact, and the other end is for letting out the arc end; The middle part of inhaling the arc end offers inhales the arc breach; Let out the arc end both sides formation block that stretches out, blow-out grid sheet both sides form hangnail, and hangnail is the inclined-plane towards inhaling the arc end; One end inwardly forms and the adaptive retaining mouth of block the grid film trap towards the pedestal outside, and blow-out grid sheet is fixed in the grid film trap through hangnail and block.Blow-out grid sheet can just be stuck in the inner of blow-out seat through pushing the grid film trap that makes hangnail pass the blow-out seat, blow-out grid sheet is fixed in the blow-out seat simple installation thereby cooperate with the block of blow-out grid sheet outer end.
Adopt the magnet steel blow-out specifically be set to the blow-out seat up and down two inwalls form the magnet steel holddown groove, the cell wall of magnet steel holddown groove is divided into the multistage setting, the magnet steel holddown groove is the inclined-plane towards the inboard cell wall outer end of pedestal.Magnet steel can be through the inner the inclined-plane of cell wall be installed in the magnet steel holddown groove simple installation.
It is that grid sheet, magnet steel are dual-purpose that the present invention further is set to said blow-out seat, and blow-out seat two inwalls up and down forms the magnet steel holddown groove, and the cell wall of magnet steel holddown groove is divided into the multistage setting, and the magnet steel holddown groove is the inclined-plane towards the inboard cell wall outer end of pedestal; The inner left and right sides of blow-out seat wall forms a plurality of grid film traps, and blow-out grid sheet is suction arc end towards an end of moving contact, and the other end is for letting out the arc end; The middle part of inhaling the arc end offers inhales the arc breach; Let out the arc end both sides formation block that stretches out, blow-out grid sheet both sides form hangnail, and hangnail is the inclined-plane towards inhaling the arc end; One end inwardly forms and the adaptive retaining mouth of block the grid film trap towards the pedestal outside, and blow-out grid sheet can be fixed in the grid film trap through hangnail and block; Perhaps in the magnet steel holddown groove, magnet steel is set.This structure can satisfy the installation of grid sheet and magnet steel blow-out simultaneously, and simple in structure, easy for installation.
The present invention further specifically is set on the said pedestal corresponding moving contact and is provided with fixed contact in both sides up and down, and the blow-out placed cavity is arranged between the upper and lower static contact.
The present invention is set to specifically further that corresponding fixed contact forms locating piece on blow-out placed cavity and the expulsion element's madial wall of said pedestal, and locating piece is fixed on fixed contact on the sidewall of expulsion element's placed cavity and expulsion element.Locating piece makes the location of fixed contact accurate more, stable.
The present invention can be the relay of many group contacts; The corresponding every group of contact of pedestal is provided with blow-out placed cavity and expulsion element; In the blow-out placed cavity spark blowout is set, the expulsion element is the shape of the mouth as one speaks structure of a plurality of sealings, separates through the sidewall of expulsion element between every group of expulsion element; Can increase the creepage distance between each sets of contacts, prevent to produce between the sets of contacts electric arc.
Description of drawings
Fig. 1 is the first embodiment of the invention stereogram.
Fig. 2 is the stereogram after first embodiment of the invention is removed housing.
Fig. 3 is the exploded perspective view after first embodiment of the invention is removed housing.
Fig. 4 is the exploded perspective view after second embodiment of the invention is removed housing.
Fig. 5 is the third embodiment of the invention stereogram.
Fig. 6 is the stereogram after third embodiment of the invention is removed housing.
Fig. 7 is the exploded perspective view after third embodiment of the invention is removed housing.
Fig. 8 is the exploded perspective view after fourth embodiment of the invention is removed housing.
Fig. 9 is the assembling stereogram of blow-out seat of the present invention and blow-out grid sheet.
Figure 10 is the assembling stereogram of blow-out seat of the present invention and blow-out grid sheet.
Figure 11 is the assembling stereogram of blow-out seat of the present invention and magnet steel.
Figure 12 is the assembling stereogram of blow-out seat of the present invention and magnet steel.
Figure 13 is a blow-out seat sketch map of the present invention.
Figure 14 is the front view of blow-out grid sheet of the present invention.
Figure 15 is the fixed contact of third embodiment of the invention and the exploded perspective view of pedestal.
Embodiment
Shown in Fig. 1-3; First specific embodiment of the present invention is a kind of relay with spark blowout, comprises housing 9, pedestal 3, coil, iron core, yoke, armature 7, slide block 6, moving contact 5, fixed contact 4, back-moving spring, and two fixed contacts 4 are arranged on the pedestal 3 up and down; Slide block 6 is arranged on the armature 7; Be connected with moving contact 5 on the slide block 6, moving contact 5 is arranged on up and down between two fixed contacts 4, forms the blow-out placed cavity 31 that connects on the pedestal 3; Blow-out placed cavity 31 corresponding moving contacts 5 are arranged between the upper and lower static contact 4; Be provided with spark blowout in the blow-out placed cavity 31, blow-out placed cavity 31 extends to form the expulsion element 32 of shape of the mouth as one speaks structure along fixed contact to moving contact 5 directions, and the contact 51 of dynamic and static contact all is wrapped in the expulsion element 32; Spark blowout comprises blow-out seat 1 and multi-disc blow-out grid sheet 2 shown in Fig. 9-14; The inner of blow-out seat 1 outer wall both sides respectively forms a fastener 11; The one side of fastener 11 towards the inner is the inclined-plane, and the outer end of blow-out seat 1 outer wall both sides respectively forms two fixture blocks 12, and blow-out placed cavity 31 inwall both sides form projection 33; The fastener 11 and the fixture block 12 of blow-out seat 1 are stuck in projection 33 both sides and fix; The blow-out seat is two inwalls formation magnet steel holddown groove 13 about in the of 1, and the cell wall of magnet steel holddown groove 13 is divided into the multistage setting, and magnet steel holddown groove 13 is the inclined-plane towards inboard internal groove side wall 14 outer ends of pedestal; Blow-out seat 1 inner left and right sides wall forms a plurality of grid film traps 15; Blow-out grid sheet 2 is the suction arc end 21 of U type towards an end of moving contact, and the other end is for letting out arc end 22, and the middle part of inhaling arc end 21 offers inhales arc breach 23; Letting out arc end 22 both sides stretches out and forms block 24; Blow-out grid sheet 2 both sides form hangnail 25, and hangnail 25 be the inclined-plane towards inhaling arc end 21, the retaining mouth 16 that grid film trap 15 outer ends inwardly form and block 24 is adaptive; Blow-out grid sheet 2 inserts in the grid film trap 15 through hangnail 25, and hangnail 25 is stuck in grid film trap 15 two ends with block 24 blow-out grid sheet 2 is fixed in the blow-out seat 1.
As shown in Figure 4, second specific embodiment of the present invention is a kind of relay with spark blowout, and blow-out grid sheet 2 is not installed in the blow-out seat 1, but in blow-out seat 1, magnet steel 8 is installed, and magnet steel 8 is fixed in the magnet steel holddown groove 13.
Like Fig. 5-7 and shown in Figure 15; The 3rd specific embodiment of the present invention is a kind of relay with spark blowout, on slide block 6, connects three parallel moving contacts 5, and three groups of upper and lower static contacts 4 are set on the pedestal 3; All form blow-out placed cavity 31 between every group of upper and lower static contact 4; The extend internally expulsion element 32 of the shape of the mouth as one speaks structure that forms three separations of blow-out placed cavity 31 forms locating piece 34 on the inwall of blow-out placed cavity 31 and expulsion element 32, and locating piece 34 is fixed on fixed contact on the inwall up and down of blow-out placed cavity 31 and expulsion element 32; Blow-out seat 1 is set in the blow-out placed cavity 31, is provided with blow-out grid sheet 2 in the blow-out seat 1.
As shown in Figure 8; The 4th specific embodiment of the present invention is a kind of relay with spark blowout, on slide block 6, connects three parallel moving contacts 5, and three groups of upper and lower static contacts 4 are set on the pedestal 3; Form blow-out placed cavity 31 between every group of upper and lower static contact 4; Blow-out placed cavity 31 extends internally and forms the expulsion element 32 of shape of the mouth as one speaks structure, forms locating piece 34 on the inwall of blow-out placed cavity 31 and expulsion element 32, and locating piece 34 is fixed on fixed contact on the inwall up and down of blow-out placed cavity 31 and expulsion element 32; Blow-out seat 1 is set in the blow-out placed cavity 31, is provided with magnet steel 8 in the blow-out seat 1.
The present invention is not limited to above-mentioned four kinds of embodiment, the number of spark blowout of the present invention press relay sets of contacts quantity and decide, can be arbitrarily the quantity of mating with sets of contacts; The structure that spark blowout adopts also is not limited to said structure; Select grid sheet or magnet steel arc extinguishing according to the load that relay connected; The blow-out seat adopts multiple various structure according to arc quenching method; Can not only adopt the blow-out seat of grid sheet and magnet steel double-purpose in the foregoing description, also can adopt special-purpose respectively with grid sheet and the supporting blow-out seat of magnet steel.The combination that more than changes and change is all in protection scope of the present invention.
Claims (10)
1. relay with spark blowout; Comprise pedestal, coil, armature, slide block, moving contact, fixed contact, fixed contact is arranged on the pedestal, and slide block is arranged on the armature; The moving contact corresponding with fixed contact is set on the slide block; It is characterized in that: form the blow-out placed cavity that connects on the pedestal, the corresponding moving contact of blow-out placed cavity is arranged on one side of fixed contact, is provided with spark blowout in the blow-out placed cavity; The blow-out placed cavity extends to form the expulsion element along fixed contact to the moving contact direction, and the contact of dynamic and static contact is all in the expulsion element.
2. the relay of band spark blowout according to claim 1; It is characterized in that: said spark blowout comprises blow-out seat and multi-disc blow-out grid sheet; The inwall that the blow-out seat is close to the blow-out placed cavity fixedly installs, and multi-disc blow-out grid sheet along continuous straight runs evenly is arranged in the blow-out seat.
3. the relay of band spark blowout according to claim 1 is characterized in that: said spark blowout comprises blow-out seat and magnet steel, and the inwall that the blow-out seat is close to the blow-out placed cavity fixedly installs, and magnet steel is arranged in the blow-out seat.
4. according to the relay of claim 2 or 3 described band spark blowouts; It is characterized in that: the inner of said blow-out seat outer wall both sides respectively forms a fastener; The one side of fastener towards the inner is the inclined-plane; The outer end of blow-out seat outer wall both sides respectively forms fixture block, and blow-out placed cavity inwall both sides form projection, and the fastener of blow-out seat and fixture block are stuck in the projection both sides and fix.
5. the relay of band spark blowout according to claim 2; It is characterized in that: the inner two side of said blow-out seat forms a plurality of grid film traps, and said blow-out grid sheet is suction arc end towards an end of moving contact, and the other end is for letting out the arc end; The middle part of inhaling the arc end offers inhales the arc breach; Let out the arc end both sides formation block that stretches out, blow-out grid sheet both sides form hangnail, and hangnail is the inclined-plane towards inhaling the arc end; One end inwardly forms and the adaptive retaining mouth of block the grid film trap towards the pedestal outside, and blow-out grid sheet is fixed in the grid film trap through hangnail and block.
6. the relay of band spark blowout according to claim 3 is characterized in that: said blow-out seat two inwalls up and down forms the magnet steel holddown groove, and the cell wall of magnet steel holddown groove is divided into the multistage setting, and the magnet steel holddown groove is the inclined-plane towards the inboard cell wall outer end of pedestal.
7. the relay of band spark blowout according to claim 1 and 2 is characterized in that: said blow-out seat two inwalls up and down forms the magnet steel holddown groove, and the cell wall of magnet steel holddown groove is divided into the multistage setting, and the magnet steel holddown groove is the inclined-plane towards the inboard cell wall outer end of pedestal; The inner left and right sides of blow-out seat wall forms a plurality of grid film traps, and said blow-out grid sheet is suction arc end towards an end of moving contact, and the other end is for letting out the arc end; The middle part of inhaling the arc end offers inhales the arc breach; Let out the arc end both sides formation block that stretches out, blow-out grid sheet both sides form hangnail, and hangnail is the inclined-plane towards inhaling the arc end; One end inwardly forms and the adaptive retaining mouth of block the grid film trap towards the pedestal outside, and blow-out grid sheet is fixed in the grid film trap through hangnail and block.
8. according to the relay of claim 1 or 3 described band spark blowouts; It is characterized in that: said blow-out seat two inwalls up and down forms the magnet steel holddown groove; The cell wall of magnet steel holddown groove is divided into the multistage setting; The magnet steel holddown groove is the inclined-plane towards the inboard cell wall outer end of pedestal, and the inner left and right sides of blow-out seat wall forms a plurality of grid film traps, and magnet steel is arranged in the magnet steel holddown groove.
9. according to the relay of claim 1,2 or 3 described band spark blowouts, it is characterized in that: corresponding moving contact is provided with fixed contact in both sides up and down on the said pedestal, and the blow-out placed cavity is arranged between the upper and lower static contact.
10. according to the relay of claim 1,2 or 3 described band spark blowouts; It is characterized in that: corresponding fixed contact forms locating piece on the blow-out placed cavity of said pedestal and the expulsion element's madial wall, and locating piece is fixed on fixed contact on the sidewall of expulsion element's placed cavity and expulsion element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110315215.9A CN102509671B (en) | 2011-10-10 | 2011-10-10 | Relay with arc quenching devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110315215.9A CN102509671B (en) | 2011-10-10 | 2011-10-10 | Relay with arc quenching devices |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102509671A true CN102509671A (en) | 2012-06-20 |
| CN102509671B CN102509671B (en) | 2015-07-22 |
Family
ID=46221742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110315215.9A Expired - Fee Related CN102509671B (en) | 2011-10-10 | 2011-10-10 | Relay with arc quenching devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102509671B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107230584A (en) * | 2017-07-25 | 2017-10-03 | 浙江工贸职业技术学院 | A kind of high-current supply relay |
| CN114600219A (en) * | 2019-10-17 | 2022-06-07 | Ls电气株式会社 | Electromagnetic contactor capable of effectively extinguishing arc |
| CN115206705A (en) * | 2022-09-14 | 2022-10-18 | 广州市兆能有限公司 | Relay with arc quenching device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4404443A (en) * | 1980-10-03 | 1983-09-13 | Thomson-Csf | Electromagnetic relay |
| CN2524359Y (en) * | 2002-01-04 | 2002-12-04 | 苏怀彬 | Three-phase electromagnetic relay |
| CN201522976U (en) * | 2009-11-12 | 2010-07-07 | 浙江亚洲龙继电器有限公司 | Relay with arc quenching device |
| CN201708095U (en) * | 2010-02-10 | 2011-01-12 | 浙江亚洲龙继电器有限公司 | High-power relay |
| CN202221737U (en) * | 2011-10-10 | 2012-05-16 | 浙江亚洲龙继电器有限公司 | Relay with arc quenching device |
-
2011
- 2011-10-10 CN CN201110315215.9A patent/CN102509671B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4404443A (en) * | 1980-10-03 | 1983-09-13 | Thomson-Csf | Electromagnetic relay |
| CN2524359Y (en) * | 2002-01-04 | 2002-12-04 | 苏怀彬 | Three-phase electromagnetic relay |
| CN201522976U (en) * | 2009-11-12 | 2010-07-07 | 浙江亚洲龙继电器有限公司 | Relay with arc quenching device |
| CN201708095U (en) * | 2010-02-10 | 2011-01-12 | 浙江亚洲龙继电器有限公司 | High-power relay |
| CN202221737U (en) * | 2011-10-10 | 2012-05-16 | 浙江亚洲龙继电器有限公司 | Relay with arc quenching device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107230584A (en) * | 2017-07-25 | 2017-10-03 | 浙江工贸职业技术学院 | A kind of high-current supply relay |
| CN107230584B (en) * | 2017-07-25 | 2018-12-14 | 浙江工贸职业技术学院 | A kind of high-current supply relay |
| CN114600219A (en) * | 2019-10-17 | 2022-06-07 | Ls电气株式会社 | Electromagnetic contactor capable of effectively extinguishing arc |
| CN115206705A (en) * | 2022-09-14 | 2022-10-18 | 广州市兆能有限公司 | Relay with arc quenching device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102509671B (en) | 2015-07-22 |
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Effective date of registration: 20170630 Address after: 325000, No. 7, Tengfei Road, Dongfeng Industrial Zone, Liushi Town, Zhejiang City, Yueqing province (Zhejiang Asia Dragon relay Co., Ltd.) Patentee after: Asia Dragon Electric Co.,Ltd. Address before: 325204 No. 7 Tengfei Road, Dongfeng Industrial Zone, Liushi Town, Zhejiang, Yueqing Patentee before: ZHEJIANG ASIA DRAGON RELAY Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150722 |
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| CF01 | Termination of patent right due to non-payment of annual fee |