CN204651219U - A kind of on-load switch - Google Patents
A kind of on-load switch Download PDFInfo
- Publication number
- CN204651219U CN204651219U CN201520410886.7U CN201520410886U CN204651219U CN 204651219 U CN204651219 U CN 204651219U CN 201520410886 U CN201520410886 U CN 201520410886U CN 204651219 U CN204651219 U CN 204651219U
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- isolation
- insulating
- separator
- load switch
- contact
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Abstract
The utility model provides a kind of on-load switch, belongs to electrical equipment technical field.It solve the problem that existing on-load switch fail safe is lower.This on-load switch, comprise casing, some groups of switch modules are provided with in casing, wall box is respectively equipped with some entrance bushings and some outlet casing tubes, switch module comprises the quiet cutter be connected with entrance bushing, be connected at electric conductor and the moving knife that is electrically connected with electric conductor with outlet casing tube, isolation axle is rotatably connected in casing, the moving knife of some switch modules is all connected on isolation axle, moving knife comprises the isolation seat that is connected on isolation axle and is connected in the contact that on isolation seat and one end can contact with quiet cutter, on isolation seat and contact, fixed packet is covered with insulating barrier, insulating barrier is stretched out in one end of contact.This on-load switch can avoid the electric current under "on" position on moving knife puncture the gas in casing and burn, and improves fail safe.
Description
Technical field
The utility model belongs to electrical equipment technical field, relates to a kind of on-load switch.
Background technology
Circuit breaker, isolating switch and arc control device are typically provided with in on-load switch, on-off switch is provided with in arc control device, rated load current and certain overload current can be cut off, but can not cutting-off of short-circuit electric current, on-off switch between circuit breaker and isolating switch, during separating brake, under the effect of tripping spring, main shaft turns clockwise, and piston is moved up, by gas compression on the one hand by slider-crank mechanism; On the other hand by the drive system of two cover quadric chain compositions, main switch cutter is first opened, and then promote arc extinguishing plug-in strip and arcing contact is opened, the compressed air in cylinder blows out electric arc by spout.During combined floodgate, by main shaft and drive system, main switch cutter and arc extinguishing plug-in strip are turned clockwise simultaneously, and arcing contact first closes; Main shaft is rotated further, and main contact is closed subsequently.In making process, tripping spring is energy storage simultaneously.Wherein isolating switch comprises moving knife and quiet cutter, for each step voltage, be used as to change circuit connect or make circuit or equipment and isolated from power, it does not stop ability, operate again after first circuit can only being disconnected with miscellaneous equipment, generally with the interlock of misoperation when preventing switch band load, sometimes need pin to prevent cut-off switch under the magneticaction of large fault.
As Chinese utility model patent application (application number: the built-in spacer assembly 201320341317.2) disclosing a kind of Standard type on-load switch, isolation switch comprises quiet knife assembly and moving knife component, the both sides of load switch body are respectively equipped with inlet wire side cable and assembling side cable, quiet knife assembly comprises quiet cutter contact, quiet cutter contact is arranged on one end that inlet wire side cable extend into load switch body inside, described moving knife component comprises moving knife contact and shaft insulation, one end of moving knife contact is connected with the shaft insulation being positioned at load switch body inside, the other end of moving knife contact is connected with quiet cutter contact by link, one end that assembling side cable extend into load switch body inside is connected with vacuum interrupter and electric conductor in turn, be connected with electric conductor in the side of moving knife contact.Because the moving knife in this on-load switch is exposed in casing completely, when the moment that on-load switch closes a floodgate, back through high-tension current on moving knife, this high-tension current gas easily punctured in casing causes on-load switch to burn, and fail safe is lower.
Summary of the invention
The purpose of this utility model there are the problems referred to above for existing technology, proposes a kind of on-load switch, and this on-load switch can avoid the electric current under "on" position on moving knife puncture the gas in casing and burn, and improves fail safe.
The purpose of this utility model realizes by following technical proposal: a kind of on-load switch, comprise casing, some groups of switch modules are provided with in described casing, described wall box is respectively equipped with some entrance bushings and some outlet casing tubes, described switch module comprises the quiet cutter be connected with entrance bushing, be connected at electric conductor and the moving knife that is electrically connected with electric conductor with outlet casing tube, isolation axle is rotatably connected in described casing, the moving knife of some above-mentioned switch modules is all connected on isolation axle, it is characterized in that, described moving knife comprises the isolation seat that is connected on isolation axle and is connected in the contact that on isolation seat and one end can contact with quiet cutter, on described isolation seat and contact, fixed packet is covered with insulating barrier, insulating barrier is stretched out in one end of above-mentioned contact.
On-load switch is made up of isolating switch and on-off switch, above-mentioned moving knife and quiet cutter are the associated components of isolating switch, and in casing, be also provided with vacuum interrupter, on-off switch is arranged in arc control device, can control circuit power on/off, namely one end of on-off switch is connected with the cable in outlet casing tube, the other end is connected with electric conductor, electric conductor is connected with moving knife, moving knife can be connected with quiet cutter, quiet cutter is connected with the cable in entrance bushing, and moving knife does not possess power on/off function, when namely needing making current, under the state that on-off switch disconnects, isolation axle rotates and makes moving knife swing and contact with quiet cutter, on-off switch is closed afterwards makes circuit ON, in like manner, when needing open circuit, first disconnect on-off switch, then rotate isolation axle moving knife is swung and departs from quiet cutter, moving knife ensures further off-position, isolation seat adopts ceramic material to make usually, there is insulation characterisitic, and in on-off switch closed moment, moving knife passes through high-tension current, isolation seat can avoid current direction to isolate axle, on isolation seat and contact, be coated with insulating barrier simultaneously, insulating barrier can adopt the insulating material such as rubber to make, in the overwhelming majority of isolation seat and contact is all wrapped in by this insulating barrier, contact end is only had to stretch out for connecting quiet cutter, therefore, it is possible to avoid the electric current on contact puncture the gas in casing and burn whole on-load switch, improve fail safe.
In above-mentioned on-load switch, described insulating barrier is integral type structure, and has gap between insulating barrier madial wall and contact side wall.The insulating barrier of integral type does not have joint gap, relatively weak tie point is not had yet, electric current is avoided to puncture insulating barrier, simultaneously because contact exists the complex working conditions such as heating in galvanization, therefore gap is set between contact and insulating barrier, avoids the heat on contact to be directly delivered on insulating barrier Damage to insulation layer or make insulating barrier accelerate aging speed.
In above-mentioned on-load switch, described contact comprises all L-shaped connector and holder, one end of described connector and holder is all connected on isolation seat by bolt, the other end bonded to each other against and be connected mutually by bolt, described insulating barrier offers through hole, through hole is stretched out in one end of above-mentioned connector, has gap between described through hole edge and connector sidewall.One end laminating of connector and holder is fixed on isolation seat, the other end of holder and connector fits fixing, connector deformation is avoided to cause and quiet cutter loose contact, bolt is all positioned at insulating barrier inside, and the gap in like manner between through hole edge and connector sidewall can avoid the heat on connector to be delivered on insulating barrier.
In above-mentioned on-load switch, the two ends of described isolation seat all have separator one, and between described separator one and isolation seat, equal fixed cover is provided with an insulating disc one, and all concentric settings of isolation seat, insulating disc one and separator one.Separator one and isolation seat integrative-structure, have insulating effect, and insulating disc one also adopts the insulating material such as rubber to make, and the electric current on two adjacent contacts can be avoided mutually to puncture, and improves fail safe.
In above-mentioned on-load switch, the socket part that described insulating disc one has tubular and the plate-like insulation division be positioned on the periphery wall of socket part, one end and the insulating barrier of described socket part lean.Socket part is set between isolation seat and separator one, plays wrap insulate effect, and socket part and insulating barrier are tight against and lean on simultaneously, reduce gap, avoid electric current from gap breakdown, and insulating disc one and insulating barrier adopt the split type assembly technology that can simplify, and cut down finished cost.
In above-mentioned on-load switch, the socket part that described insulating disc one has tubular and the plate-like insulation division be positioned on the periphery wall of socket part, described insulating disc one is integral type structure with insulating barrier.Under the prerequisite that assembly technology allows, insulating disc one and insulating barrier adopt integral type, avoid occurring gap between the two, improve fail safe.
In above-mentioned on-load switch, the two ends of described isolation seat all have separator one, between described separator one and isolation seat, equal fixed cover is provided with at least two insulating discs one, and all concentric settings of isolation seat, insulating disc one and separator one, the socket part that described insulating disc one has tubular and the plate-like insulation division be positioned on the periphery wall of socket part, one end, socket part of one of them insulating disc one and insulating barrier lean, and the socket part of adjacent two insulating discs one leans.This kind of structure arranges multiple insulating disc one between separator one and isolation seat, and make insulation effect better, fail safe is higher.
In above-mentioned on-load switch, the external diameter of described insulation division is greater than or equal to the external diameter of separator one, and the thickness of described insulation division becomes large from outside to inside gradually.Increase the insulation area coverage of insulation division, and the inner thickness of insulation division is larger, this place is nearer with isolation axle, and the connector relative with this place and holder are connected on isolation seat, there is relatively large outer surface, the thickness increasing this place can improve the insulating properties at this place, avoids electric current to puncture rear flow direction isolation axle.
In above-mentioned on-load switch, described isolation axle is all arranged with insulating case one between adjacent two isolation seats, and the two ends of described insulating case one are resisted against on the separator one of two isolation seats respectively.Insulating case one, for separating of adjacent two isolation seats, plays wrap insulate effect to isolation axle simultaneously.
In above-mentioned on-load switch, described electric conductor is fixed with flexible connecting line, this flexible connecting line end has connector, and this connector is connected with the connector of contact mutually through insulating barrier.Connector is bolted on connector.
In above-mentioned on-load switch, also main shaft is rotatably connected in described casing, described main shaft have some connecting portions along its length, and each connecting portion is connected with an electric conductor, described main shaft all has separator two at the two ends of connecting portion, between described separator two and connecting portion, equal fixed cover is provided with insulating disc two, and described in adjacent two, between separator two, equal fixed cover is provided with insulating case two.The rotation of main shaft is for controlling electric conductor, thus realize the folding of on-off switch in arc control device, separator two and integrated spindle axis structure, the insulating material such as pottery are all adopted to make, and insulating disc two and insulating case two all adopt the insulating material such as rubber to make, the electric current of two adjacent electric conductors can be avoided mutually to puncture, improve fail safe.
Compared with prior art, this on-load switch has the following advantages:
1, owing to being coated with insulating barrier on isolation seat and contact, in the overwhelming majority of isolation seat and contact is all wrapped in by this insulating barrier, contact end is only had to stretch out for connecting quiet cutter, therefore, it is possible to avoid the electric current on contact puncture the gas in casing and burn whole on-load switch, improve fail safe.
2, because fixed cover equal between separator one and isolation seat is provided with insulating disc one, there is insulating effect, and insulating disc one also adopts the insulating material such as rubber to make, and the electric current on two adjacent contacts can be avoided mutually to puncture, improve fail safe.
3, owing to arranging gap between contact and insulating barrier, therefore avoid the heat on contact to be directly delivered on insulating barrier Damage to insulation layer or make insulating barrier accelerate aging speed.
Accompanying drawing explanation
Fig. 1 is the structure cutaway view of this on-load switch.
Fig. 2 is the structure cutaway view of the isolation axle being provided with moving knife.
Fig. 3 is the structure cutaway view of moving knife.
Fig. 4 is the structure cutaway view of main shaft.
In figure, 1, casing; 11, entrance bushing; 12, outlet casing tube; 13, quiet cutter; 14, electric conductor; 15, axle is isolated; 2, moving knife; 21, isolation seat; 211, separator one; 22, contact; 221, connector; 222, holder; 3, insulating barrier; 31, through hole; 4, insulating disc one; 41, socket part; 42, insulation division; 5, insulating case one; 6, flexible connecting line; 61, connector; 7, main shaft; 71, connecting portion; 72, separator two; 73, insulating disc two; 74, insulating case two.
Embodiment
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
Embodiment one:
As shown in Figure 1, a kind of on-load switch, comprise casing 1, some groups of switch modules are provided with in casing 1, this some switch module is arranged in order, casing 1 sidewall is respectively equipped with some entrance bushings 11 and some outlet casing tubes 12, switch module comprises quiet cutter 13, electric conductor 14 and moving knife 2, also vacuum interrupter is provided with in casing 1, the on-off switch of control circuit power on/off is provided with in arc control device, namely one end of on-off switch is connected with the cable in outlet casing tube 12, the other end is connected with electric conductor, electric conductor is connected with moving knife 2, moving knife 2 can be connected with quiet cutter 13, quiet cutter 13 is connected with the cable in entrance bushing 11, isolation axle 15 is rotatably connected in casing 1, the moving knife 2 of some switch modules is all connected on isolation axle 15, moving knife 2 comprises the isolation seat 21 be connected on isolation axle 15 and the contact 22 be connected on isolation seat 21, moving knife 2 does not possess power on/off function, when namely needing making current, under the state that on-off switch disconnects, isolation axle 15 rotates and moving knife 2 is swung and contacts with quiet cutter 13, on-off switch is closed afterwards makes circuit ON, in like manner, when needing open circuit, first disconnect on-off switch, then rotate isolation axle 15 moving knife 2 is swung and departs from quiet cutter 13, moving knife 2 ensures further off-position.On isolation seat 21 and contact 22, fixed packet is covered with insulating barrier 3, insulating barrier 3 is stretched out in one end of contact 22, isolation seat 21 adopts ceramic material to make usually, there is insulation characterisitic, and in on-off switch closed moment, moving knife 2 passes through high-tension current, isolation seat 21 can avoid current direction to isolate axle 15, on isolation seat 21 and contact 22, be coated with insulating barrier 3 simultaneously, insulating barrier 3 can adopt the insulating material such as rubber to make, in the overwhelming majority of isolation seat 21 and contact 22 is all wrapped in by this insulating barrier 3, contact 22 end is only had to stretch out for connecting quiet cutter 13, therefore, it is possible to avoid the electric current on contact 22 puncture the gas in casing 1 and burn whole on-load switch, improve fail safe.
Specifically, shown in composition graphs 2, Fig. 3, insulating barrier 3 is integral type structure, and the insulating barrier 3 of integral type does not have joint gap, does not also have relatively weak tie point, avoids electric current to puncture insulating barrier 3.Because contact 22 exists the complex working conditions such as heating in galvanization, therefore between insulating barrier 3 madial wall and contact 22 sidewall, there is gap, avoid the heat on contact 22 to be directly delivered on insulating barrier 3 Damage to insulation layer 3 or to make insulating barrier 3 accelerate aging speed.Contact 22 comprises all L-shaped connector 221 and holder 222, one end of connector 221 and holder 222 is fitted on isolation seat 21 sidewall and is also all connected on isolation seat 21 by bolt, the other end bonded to each other against and be connected mutually by bolt, connector 221 deformation is avoided to cause and the loose contact of quiet cutter 13, it is inner that bolt is all positioned at insulating barrier 3, insulating barrier 3 offers through hole 31, through hole 31 is stretched out in one end of connector 221, between through hole 31 edge and connector 221 sidewall, there is gap, gap in like manner between through hole 31 edge and connector 221 sidewall can avoid the heat on connector 221 to be delivered on insulating barrier 3.
The two ends of isolation seat 21 all have separator 1, between separator 1 and isolation seat 21, equal fixed cover is provided with an insulating disc 1, and all concentric settings of isolation seat 21, insulating disc 1 and separator 1, separator 1 and isolation seat 21 integrative-structure, there is insulating effect, and insulating disc 1 also adopts the insulating material such as rubber to make, the electric current on two adjacent contacts 22 can be avoided mutually to puncture, improve fail safe.The socket part 41 that insulating disc 1 has tubular and the plate-like insulation division 42 be positioned on the periphery wall of socket part 41, one end and the insulating barrier 3 of socket part 41 lean, socket part 41 is set between isolation seat 21 and separator 1, play wrap insulate effect, socket part 41 and insulating barrier 3 are tight against and lean on simultaneously, reduce gap, avoid electric current from gap breakdown, and insulating disc 1 and insulating barrier 3 adopt the split type assembly technology that can simplify, cut down finished cost.Certainly under the prerequisite of assembly technology permission, insulating disc 1 and insulating barrier 3 can adopt integral structure, avoid occurring gap between the two, improve fail safe.The external diameter of insulation division 42 is greater than or equal to the external diameter of separator 1, increase the insulation area coverage of insulation division 42, the thickness of insulation division 42 becomes large from outside to inside gradually, namely the inner thickness of insulation division 42 is larger, this place is comparatively near with isolation axle 15, and the connector 221 relative with this place and holder 222 are connected on isolation seat 21, have relatively large outer surface, the thickness increasing this place can improve the insulating properties at this place, avoids electric current to puncture rear flow direction isolation axle 15.Isolation axle 15 is all arranged with insulating case 1 between adjacent two isolation seats 21, and the two ends of insulating case 1 are resisted against on the separator 1 of two isolation seats 21 respectively, for separating of adjacent two isolation seats 21, plays wrap insulate effect to isolation axle 15 simultaneously.Electric conductor 14 is fixed with flexible connecting line 6, this flexible connecting line 6 end has connector 61, and this connector 61 is connected by bolt with the connector 221 of contact 22 mutually through insulating barrier 3.
Shown in composition graphs 4, also be rotatably connected to main shaft 7 in casing 1, main shaft 7 have along its length some connecting portions 71, and each connecting portion 71 is connected with an electric conductor 14, the rotation of main shaft 7 for controlling electric conductor 14, thus realizes the folding of on-off switch in arc control device.Described main shaft 7 all has separator 2 72 at the two ends of connecting portion, separator 2 72 and main shaft 7 integrative-structure, all adopts the insulating material such as pottery to make.Between separator 2 72 and connecting portion 71, equal fixed cover is provided with insulating disc 2 73, described in adjacent two, between separator 2 72, equal fixed cover is provided with insulating case 2 74, insulating disc 2 73 and insulating case 2 74 all adopt the insulating material such as rubber to make, the electric current of two adjacent electric conductors 14 can be avoided mutually to puncture, improve fail safe.
Embodiment two:
The structure of this on-load switch is substantially identical with embodiment one, difference is that the two ends of isolation seat 21 all have separator 1, between separator 1 and isolation seat 21, equal fixed cover is provided with two insulating discs 1, and all concentric settings of isolation seat 21, insulating disc 1 and separator 1, certain insulating disc 1 also can be three or more, one end, socket part 41 and the insulating barrier 3 of one of them insulating disc 1 lean, the socket part 41 of adjacent two insulating discs 1 leans, this kind of structure makes insulation effect better, and fail safe is higher.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Although more employ the terms such as casing 1, entrance bushing 11, outlet casing tube 12 herein, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present utility model more easily; The restriction that they are construed to any one additional is all contrary with the utility model spirit.
Claims (10)
1. an on-load switch, comprise casing (1), described casing is provided with some groups of switch modules in (1), described casing (1) sidewall is respectively equipped with some entrance bushings (11) and some outlet casing tubes (12), described switch module comprises the quiet cutter (13) be connected with entrance bushing (11), be connected at electric conductor (14) and the moving knife (2) that is electrically connected with electric conductor (14) with outlet casing tube (12), isolation axle (15) is rotatably connected in described casing (1), the moving knife (2) of some above-mentioned switch modules is all connected in isolation axle (15), it is characterized in that, described moving knife (2) comprises the isolation seat (21) that is connected in isolation axle (15) and is connected in isolation seat (21) to be gone up and one end contact (22) that can contact with quiet cutter (13), described isolation seat (21) and the upper fixed packet of contact (22) are covered with insulating barrier (3), insulating barrier (3) is stretched out in one end of above-mentioned contact (22).
2. on-load switch according to claim 1, is characterized in that, described insulating barrier (3) is integral type structure, and has gap between insulating barrier (3) madial wall and contact (22) sidewall.
3. on-load switch according to claim 2, it is characterized in that, described contact (22) comprises all L-shaped connector (221) and holder (222), one end of described connector (221) and holder (222) is all connected on isolation seat (21) by bolt, the other end bonded to each other against and be connected mutually by bolt, described insulating barrier (3) offers through hole (31), through hole (31) is stretched out in one end of above-mentioned connector (221), between described through hole (31) edge and connector (221) sidewall, there is gap.
4. on-load switch according to claim 3, it is characterized in that, the two ends of described isolation seat (21) all have separator one (211), between described separator one (211) and isolation seat (21), equal fixed cover is provided with an insulating disc one (4), and the equal concentric of isolation seat (21), insulating disc one (4) and separator one (211) is arranged.
5. on-load switch according to claim 4, it is characterized in that, the socket part (41) that described insulating disc one (4) has tubular and the plate-like insulation division (42) be positioned on socket part (41) periphery wall, one end and the insulating barrier (3) of described socket part (41) lean.
6. on-load switch according to claim 4, it is characterized in that, the socket part (41) that described insulating disc one (4) has tubular and the plate-like insulation division (42) be positioned on socket part (41) periphery wall, described insulating disc one (4) is integral type structure with insulating barrier (3).
7. on-load switch according to claim 3, it is characterized in that, the two ends of described isolation seat (21) all have separator one (211), between described separator one (211) and isolation seat (21), equal fixed cover is provided with at least two insulating discs one (4), and isolation seat (21), insulating disc one (4) and the equal concentric of separator one (211) are arranged, the socket part (41) that described insulating disc one (4) has tubular and the plate-like insulation division (42) be positioned on socket part (41) periphery wall, (41) one end, socket part and the insulating barrier (3) of one of them insulating disc one (4) lean, the socket part (41) of adjacent two insulating discs one (4) leans.
8. the on-load switch according to claim 5 or 6 or 7, it is characterized in that, the external diameter of described insulation division (42) is greater than or equal to the external diameter of separator one (211), and the thickness of described insulation division (42) becomes large from outside to inside gradually.
9. the on-load switch according to claim 4 or 5 or 6 or 7, it is characterized in that, described isolation axle (15) is all arranged with insulating case one (5) between adjacent two isolation seats (21), and the two ends of described insulating case one (5) are resisted against on the separator one (211) of two isolation seats (21) respectively.
10. according to the on-load switch in claim 3 ~ 7 described in any one, it is characterized in that, main shaft (7) is also rotatably connected in described casing (1), described main shaft (7) have along its length some connecting portions (71), and each connecting portion (71) is connected with an electric conductor (14), described main shaft (7) all has separator two (72) at the two ends of connecting portion (71), between described separator two (72) and connecting portion (71), equal fixed cover is provided with insulating disc two (73), described in adjacent two, between separator two (72), equal fixed cover is provided with insulating case two (74).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520410886.7U CN204651219U (en) | 2015-06-15 | 2015-06-15 | A kind of on-load switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520410886.7U CN204651219U (en) | 2015-06-15 | 2015-06-15 | A kind of on-load switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204651219U true CN204651219U (en) | 2015-09-16 |
Family
ID=54103936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520410886.7U Withdrawn - After Issue CN204651219U (en) | 2015-06-15 | 2015-06-15 | A kind of on-load switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204651219U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104882320A (en) * | 2015-06-15 | 2015-09-02 | 浙江紫光电器有限公司 | Load switch |
-
2015
- 2015-06-15 CN CN201520410886.7U patent/CN204651219U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104882320A (en) * | 2015-06-15 | 2015-09-02 | 浙江紫光电器有限公司 | Load switch |
| CN104882320B (en) * | 2015-06-15 | 2017-09-26 | 浙江紫光电器有限公司 | A kind of on-load switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150916 Effective date of abandoning: 20170926 |