CN205051225U - Handcart -type is valve isolating device and handcart -type cubical switchboard for cubical switchboard - Google Patents
Handcart -type is valve isolating device and handcart -type cubical switchboard for cubical switchboard Download PDFInfo
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- CN205051225U CN205051225U CN201520787464.1U CN201520787464U CN205051225U CN 205051225 U CN205051225 U CN 205051225U CN 201520787464 U CN201520787464 U CN 201520787464U CN 205051225 U CN205051225 U CN 205051225U
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- handcart
- valve
- insulation
- division board
- switch cabinet
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Abstract
The utility model discloses a handcart -type is valve isolating device and handcart -type cubical switchboard for cubical switchboard, valve isolating device is including having the insulated isolation board of connecting the window, be equipped with on the insulated isolation board and follow the gliding insulating valve of vertical direction, be equipped with the fixed bolster on the insulating valve, be equipped with the guide way on the fixed bolster, be equipped with the wheel that rolls in the guide way, be equipped with the movable block between fixed bolster and insulated isolation board or the handcart -type cubical switchboard, the downside of movable block is equipped with and is used for promoting the insulating valve gliding oriented slant that makes progress, the one end of movable block links to each other with the shaft of the wheel that rolls, the other end articulates on insulated isolation board or handcart -type cubical switchboard, be equipped with aforementioned handcart -type valve isolating device for the cubical switchboard between the handcart room of handcart -type cubical switchboard and bus -bar room. The utility model has the advantages of simple structure, workable, long service life, operation swiftly convenient, use laborsaving, small friction, required force rate generally with little, the range of application guangZhou of hinged joint mode.
Description
Technical field
The utility model relates to direct current transmission and distribution switch cubicle, is specifically related to a kind of handcart switch cabinet valve spacer assembly and handcart switch cabinet.
Background technology
In mesolow electrical complete equipment system, the handcart switch cabinet of the forms such as handcart type breaker cabinet, handcart-type direct-current switch cabinet or other handcart-type middle-low voltage switch cabinets generally comprises control room, handcart room, bus-bar room, wherein handcart room is all furnished with handcart, conveniently direct current quick breaker is pushed working position and test position.But, because circuit breaker is in divide-shut brake process, spray arc phenomenon is had to exist, how to solve the isolation of handcart room and main bus bar room in spray arc process, especially the insulation between circuit breaker main contact and main bus bar, how to improve the fail safe of switch cubicle in divide-shut brake process, become a key technical problem urgently to be resolved hurrily.
Utility model content
The technical problems to be solved in the utility model: for the problems referred to above of prior art, there is provided one can isolate handcart room and main bus bar room, especially isolation circuit breakers main contact and main bus bar in spray arc process, structure is simple, easily processing, long service life, swift and convenient to operate, mode is little, the handcart switch cabinet valve spacer assembly of applied range and handcart switch cabinet to use laborsaving, that frictional force is little, required force rate to be generally hinged.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is:
The utility model provides a kind of handcart switch cabinet valve spacer assembly, comprise the insulation division board with upper connection window, described insulation division board is provided with the insulation valve that can vertically slide to stop or open connection window, described insulation valve is provided with fixed support, described fixed support is provided with gathering sill, scroll wheel is provided with in described gathering sill, described fixed support and insulation division board or handcart switch cabinet between be provided with movable block, the downside of described movable block is provided with the guiding surface for promoting insulation valve upward sliding, one end of described movable block is connected with the wheel shaft of scroll wheel, the other end be articulated with insulation division board or handcart-type switch cashier's office in a shop.
Preferably, described gathering sill comprises upper groove positioned opposite and low groove, and described scroll wheel clamps respectively and is arranged between upper groove and low groove.
Preferably, described movable block be articulated with insulation division board or handcart-type switch end be cashier's office in a shop provided with joint pin, described joint pin be fixed on insulation division board or handcart-type switch cashier's office in a shop, described movable block is connected with joint pin by rotation axis.
Preferably, on described insulation valve, support bracket fastened quantity is two, and two fixed supports are arranged in the both sides of insulation valve, are provided with insulated connecting rod between the fixed support of the both sides of described insulation valve.
Preferably, the both sides of described insulation division board are equipped with cushion block and stroke fixed head, described stroke fixed head is fixed on insulation division board by cushion block, and described insulation valve slides and is arranged between two pieces of cushion blocks, and described insulation valve is spacing to be arranged between insulation division board and stroke fixed head.
Preferably, the top of described stroke fixed head is provided with the stroke location-plate protruded laterally, and the top of described insulation valve is provided with the supporting bracket protruded laterally, when insulate valve slide into insulation division board bottom time described supporting bracket be supported on stroke location-plate.
Preferably, described insulation division board is provided with handle.
Preferably, described insulation valve be provided with the valve that insulate slide into insulation division board topmost time with on be connected the lower connection window that window is communicated with.
The utility model also provides a kind of handcart switch cabinet, comprise handcart room, bus-bar room and the control room that linear quadratic control equipment is housed, handcart is provided with in described handcart room, described handcart is provided with circuit breaker, be provided with for being connected copper bar with the bus that the main contact of circuit breaker coordinates in described bus-bar room, aforesaid handcart switch cabinet valve spacer assembly is provided with between described handcart room and bus-bar room, the top of described handcart is provided with takes turns with the top of the valve upward sliding that promotes to insulate for coordinating with the guiding surface of described handcart switch cabinet valve spacer assembly, the main contact of described circuit breaker is positioned at the side of connection window, described bus connects the opposite side that copper bar is positioned at connection window.
The utility model handcart switch cabinet valve spacer assembly has following advantage:
1, the utility model comprises the insulation division board with upper connection window, insulation division board is provided with the insulation valve that can vertically slide to stop or open connection window, insulation valve is provided with movable block, the downside of movable block is provided with the guiding surface for promoting insulation valve upward sliding, the function of auto-lift of insulation valve can be realized, the horizontal movement of handcart can be converted into moving both vertically of valve of insulation makes it move up and down, and opens and closes the window that circuit breaker main contact inserts; When handcart insertion is entered working position, handcart promote guiding surface make insulation valve vertically upward sliding to top, upper connection window is opened, thus realize the main contact of the circuit breaker on handcart to be connected with the copper bar of handcart switch cabinet bus-bar room by upper connection window easily; When handcart is extracted enter test position time; because the Action of Gravity Field of the valve self that insulate slips down to lowermost end by upper connection closed windows; the main contact of direct current quick breaker and bus insulation are isolated; play the effect of protective separation; by the structure Interlocking System of handcart and guiding surface; synchronous coordination solves the insulation insulation request of DC circuit breaker and bus, can isolate handcart room and main bus bar room in spray arc process, has simple, easily processing, long service life the advantage of structure.
2, the utility model insulation division board is provided with the insulation valve that can vertically slide to stop or open connection window, insulation valve is provided with movable block, the downside of movable block is provided with the guiding surface for promoting insulation valve upward sliding, utilize handcart to promote guiding surface and the horizontal movement of handcart is converted into moving up and down of insulation valve, functionally meet the function of automatic lifting, along with pushing of handcart releases automatic execution, there is advantage swift and convenient to operate.
3, the utility model insulation division board is provided with the insulation valve that can vertically slide to stop or open connection window, insulation valve moves along vertical direction and controls the isolation of upper connection window, decreases the frictional force between insulation valve and insulation division board; And the downside of movable block is provided with the guiding surface for promoting insulation valve upward sliding, utilize handcart to promote guiding surface and the horizontal movement of handcart is converted into moving up and down of insulation valve, compare and adopt other fixed form (such as bolt connection) more laborsaving, structure optimization advantage is more obvious, has and uses the advantage laborsaving, frictional force is little.
4, the utility model insulation valve be provided with fixed support, described fixed support is provided with gathering sill, is provided with scroll wheel in described gathering sill, described fixed support and insulation division board or handcart switch cabinet between be provided with movable block.Slide up and down in process at insulation valve, fixed support, gathering sill are followed insulation valve together and are slided up and down together, the movable syndeton at movable block two ends is achieved by said structure, make to promote insulation valve upward sliding by the guiding surface of the downside of movable block, the connected mode of insulation valve and movable block adopts scroll wheel and gathering sill to realize, valve of avoiding insulating produces moment inwards in the process of moving up and down, and the rotation of scroll wheel, it is little that required force rate is generally hinged mode.
5, the utility model can be widely used in all kinds of handcart-type middle-low voltage switch cabinets such as handcart-type direct-current switch cabinet, and can be applied to all kinds of equipment for power transmission and distribution such as comprising subway equipment for power transmission and distribution, has the advantage of applied range.
Handcart switch cabinet of the present utility model has following advantage: handcart switch cabinet of the present utility model is the product comprising aforementioned the utility model handcart switch cabinet valve spacer assembly, therefore handcart switch cabinet of the present utility model is equally also by the structure Interlocking System of handcart and guiding surface, synchronous coordination solves the insulation insulation request of DC circuit breaker and bus, handcart room and main bus bar room can be isolated in spray arc process, especially isolation circuit breakers main contact and main bus bar, there is structure simple, easy processing, long service life, swift and convenient to operate, use laborsaving, frictional force is little, required force rate general chain connection mode is little, the advantage of applied range.
Accompanying drawing explanation
Fig. 1 is the structural representation that the utility model embodiment is in test position state.
Fig. 2 is the structural representation that the utility model embodiment is in working position state.
Fig. 3 is the structural representation of the handcart switch cabinet of application the utility model embodiment.
Fig. 4 is the handcart structural representation in the handcart switch cabinet of application the utility model embodiment.
Marginal data: 1, insulate division board; 11, upper connection window; 12, cushion block; 13, stroke fixed head; 131, stroke location-plate; 14, handle; 2, insulate valve; 21, fixed support; 22, gathering sill; 221, upper groove; 222, low groove; 23, scroll wheel; 24, joint pin; 25, insulated connecting rod; 26, supporting bracket; 27, lower connection window; 3, movable block; 31, guiding surface; 4, handcart room; 41, handcart; 410, circuit breaker; 411, main contact; 43, top wheel; 5, bus-bar room; 51, bus connects copper bar; 6, control room.
Embodiment
As depicted in figs. 1 and 2, the handcart switch cabinet of the present embodiment with valve spacer assembly comprise with on connect the insulation division board 1 of window 11, insulation division board 1 is provided with the insulation valve 2 that can vertically slide to stop or open connection window 11, insulation valve 2 is provided with fixed support 21, fixed support 21 is provided with gathering sill 22, scroll wheel 23 is provided with in gathering sill 22, fixed support 21 and insulation division board 1 or handcart switch cabinet between be provided with movable block 3, the downside of movable block 3 is provided with the guiding surface 31 for promoting insulation valve 2 upward sliding, one end of movable block 3 is connected with the wheel shaft of scroll wheel 23, the other end be articulated with insulation division board 1 or handcart-type switch cashier's office in a shop.The handcart switch cabinet of the present embodiment realizes along with handcart 41 is pushing in push the opening and closing automatically completing and connect window 11 with the handcart 41 that valve spacer assembly can work in coordination with handcart switch cabinet, to isolate handcart room and main bus bar room in spray arc process, when handcart 41 is pushed into working position from test position, the top of handcart 41 wheel 42 and guiding surface 31 intermolecular forces drive under, insulation valve 2 moves upward automatically, opens connection window 11; When working position retreats to test position, insulation valve 2 moves downward automatically due to gravity, pass is closed and is connected window 11, thus realize the horizontal movement of handcart 41 to be converted into moving up and down of insulation valve 2, decrease the frictional force between insulation valve 2 and insulation division board 1, can prevent switch cubicle from divide-shut brake process, producing spray arc phenomenon, have swift and convenient to operate, operation synchronism is good, it is laborsaving to use, frictional force is little, the simple advantage of structure.And, slide up and down in process at insulation valve 2, fixed support 21, gathering sill 22 are followed insulation valve 2 together and are slided up and down together, the movable syndeton at movable block 3 two ends is achieved by said structure, make to promote insulation valve 2 upward sliding by the guiding surface 31 of the downside of movable block 3, the connected mode of insulation valve 2 and movable block 3 adopts scroll wheel 23 and gathering sill 22 to realize, valve 2 of avoiding insulating produces moment inwards in the process of moving up and down, and the rotation of scroll wheel 23, it is little that required force rate is generally hinged mode.In the present embodiment, the other end of movable block 3 is fixed on the side plate of handcart switch cabinet, also can be fixed on insulation division board 1 by support etc. from outer.
As depicted in figs. 1 and 2, gathering sill 22 comprises upper groove 221 positioned opposite and low groove 222, and scroll wheel 23 clamps respectively and is arranged between upper groove 221 and low groove 222.Said structure can guarantee the spacing up and down of gathering sill 22 pairs of scroll wheels 23, guarantees the Stable sliding of scroll wheel 23 at insulation valve 2 in the process of moving up and down.
As depicted in figs. 1 and 2, movable block 3 is articulated with handcart-type switch end cashier's office in a shop and is provided with joint pin 24, joint pin 24 be fixed on insulation division board 1 or handcart-type switch cashier's office in a shop, movable block 3 is connected with joint pin 24 by rotation axis.By joint pin 24, movable block 3 can be realized easily and be articulated with insulation division board 1 or handcart-type switch end cashier's office in a shop hinged, more convenient and flexible relative to other structures during installation.
As depicted in figs. 1 and 2, on insulation valve 2, the quantity of fixed support 21 is two, and two fixed supports 21 are arranged in the both sides of insulation valve 2, are provided with insulated connecting rod 25 between the fixed support 21 of the both sides of insulation valve 2.The synchronism of motion between two fixed supports 21 can be guaranteed by insulated connecting rod 25, can solve wider movable part stressed time there is the problem of structure synchronization difference, the effect of reinforcement can also be played on the other hand to fixed support 21, prevent two fixed supports 21 from left and right expansion occurring when stressed, there is the advantage that motion synchronicity is good, reliable and stable, intensity is high.
As depicted in figs. 1 and 2, the both sides of insulation division board 1 are equipped with cushion block 12 and stroke fixed head 13, stroke fixed head 13 is fixed on insulation division board 1 by cushion block 12, insulation valve 2 slides and is arranged between two pieces of cushion blocks 12, and insulation valve 2 is spacing to be arranged between insulation division board 1 and stroke fixed head 13.Cushion block 12 and stroke fixed head 13 define the slip fixed structure of insulation valve 2, thus provide the space of motion for the slip of insulation valve 2, and can mount and dismount easily when installation and maintenance.As depicted in figs. 1 and 2, the top of stroke fixed head 13 is provided with the stroke location-plate 131 protruded laterally, insulation valve 2 top be provided with the supporting bracket 26 protruded laterally, when insulate valve 2 slide into insulation division board 1 bottom time supporting bracket 26 be supported on stroke location-plate 131.
As depicted in figs. 1 and 2, insulation division board 1 be provided with handle 14, by handle 14 can when installation and maintenance can dismounting insulation division board 1.Certainly, the quantity of handle 14 can choice arrangement be multiple as required.
As depicted in figs. 1 and 2, the valve 2 that insulate be provided with the valve 2 that insulate slide into insulation division board 1 topmost time with on be connected the lower connection window 27 that window 11 is communicated with.By being provided with lower connection window 27 on insulation valve 2, thus the area of insulation valve 2 can be increased, thus be conducive to improving the stability that insulation valve 2 and insulation division board 1 be slidably matched.
As shown in Figure 3 and Figure 4, the handcart switch cabinet of the present embodiment comprises handcart room 4, bus-bar room 5 and the control room 6 that linear quadratic control part is housed, handcart 41 is provided with in handcart room 4, handcart 41 is provided with circuit breaker 410, be provided with for being connected copper bar 51 with the bus that the main contact 411 of circuit breaker 410 coordinates in bus-bar room 5, aforementioned handcart switch cabinet valve spacer assembly is provided with between handcart room 4 and bus-bar room 5, the top that the top of handcart 41 is provided with for coordinating to promote to insulate valve 2 upward sliding with the guiding surface 31 of handcart switch cabinet valve spacer assembly takes turns 43, the main contact 411 of circuit breaker 410 is positioned at the side of connection window 11, bus connects the opposite side that copper bar 51 is positioned at connection window 11.Separate with insulation division board 1 object reaching mutually insulated isolation between handcart room 4 and bus-bar room 5, when handcart switch cabinet needs energising work, namely when handcart 41 is pushed into working position from test position, now need to open handcart room 4 and be connected window 11 with on bus-bar room 5, make the main contact 411 of circuit breaker 410 be connected copper bar 51 with bus and connect and be energized; When handcart switch cabinet needs power-off and maintenance, when namely handcart 4 retreats to test position from working position, need to close handcart room 4 and be connected window 11 with on bus-bar room 5, the main contact 411 of circuit breaker 410 is connected with bus to insulate between copper bar 51 to isolate.
The operation principle of the handcart switch cabinet valve spacer assembly of the present embodiment is as follows: (1) handcart 41 is from test position to working position process, handcart 41 is horizontal movement, namely seesaw in handcart switch cabinet, after top wheel 43 on handcart 41 contacts with the guiding surface 31 of movable block 3, top wheel 43 moves along guiding surface 31, movable block 3 is rotated, the scroll wheel 23 that movable block 3 front end is fixed moves along the guide pass of upper groove 221 in gathering sill 22, thus under the effect of top wheel 43, drive insulation valve 2, insulation valve 2 entirety is moved upward; When the guiding surface 31 of movable block 3 goes to horizontal level, insulation valve 2 can rise to extreme higher position, at this moment insulate valve 2 lower connection window 27 with insulate on division board 1 on be connected window 11 and overlap, namely the main contact 411 opening circuit breaker 410 is connected the interface channel between copper bar 51 with bus, refer to Fig. 2.(2) when handcart 41 retreats to test position from working position, top wheel 43 departs from the guiding surface 31 of movable block 3 gradually, now insulate valve 2 under the effect of deadweight, can decline gradually along with the disengaging of top wheel 43, movable block 3 is rotated backward, and when the valve 2 that insulate is got back on the guide rail of least significant end, insulation valve 2 stops connection window 11, the main contact 411 of shutdown device 410 is connected the interface channel between copper bar 51 with bus, reach the object of insulation isolation.
The above is only preferred implementation of the present utility model, protection range of the present utility model be not only confined to above-described embodiment, and all technical schemes belonged under the utility model thinking all belong to protection range of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (9)
1. a handcart switch cabinet valve spacer assembly, it is characterized in that: comprise the insulation division board (1) with upper connection window (11), described insulation division board (1) is provided with the insulation valve (2) that vertically can slide to stop or open connection window (11), described insulation valve (2) is provided with fixed support (21), described fixed support (21) is provided with gathering sill (22), scroll wheel (23) is provided with in described gathering sill (22), described fixed support (21) and insulation division board (1) or handcart switch cabinet between be provided with movable block (3), the downside of described movable block (3) is provided with the guiding surface (31) for promoting insulation valve (2) upward sliding, one end of described movable block (3) is connected with the wheel shaft of scroll wheel (23), the other end be articulated with insulation division board (1) or handcart-type switch cashier's office in a shop.
2. handcart switch cabinet valve spacer assembly according to claim 1, it is characterized in that: described gathering sill (22) comprises upper groove (221) positioned opposite and low groove (222), described scroll wheel (23) clamps respectively and is arranged between upper groove (221) and low groove (222).
3. handcart switch cabinet valve spacer assembly according to claim 2, it is characterized in that: described movable block (3) is articulated with insulation division board (1) or handcart-type switch end is cashier's office in a shop provided with joint pin (24), described joint pin (24) be fixed on insulation division board (1) or handcart-type switch cashier's office in a shop, described movable block (3) is connected with joint pin (24) by rotation axis.
4. handcart switch cabinet valve spacer assembly according to claim 3, it is characterized in that: the quantity of the upper fixed support (21) of described insulation valve (2) is two, and two fixed supports (21) are arranged in the both sides of insulation valve (2), are provided with insulated connecting rod (25) between the fixed support (21) of the both sides of described insulation valve (2).
5. according to the valve spacer assembly of the handcart switch cabinet in Claims 1 to 4 described in any one, it is characterized in that: the both sides of described insulation division board (1) are equipped with cushion block (12) and stroke fixed head (13), described stroke fixed head (13) is fixed in insulation division board (1) by cushion block (12), the slip of described insulation valve (2) is arranged between two pieces of cushion blocks (12), and described insulation valve (2) is spacing to be arranged between insulation division board (1) and stroke fixed head (13).
6. handcart switch cabinet valve spacer assembly according to claim 5, it is characterized in that: the top of described stroke fixed head (13) is provided with the stroke location-plate (131) protruded laterally, the top of described insulation valve (2) is provided with the supporting bracket (26) protruded laterally, when insulate valve (2) slide into insulation division board (1) bottom time described supporting bracket (26) be supported on stroke location-plate (131).
7. handcart switch cabinet valve spacer assembly according to claim 6, is characterized in that: described insulation division board (1) is provided with handle (14).
8. handcart switch cabinet valve spacer assembly according to claim 7, is characterized in that: described insulation valve (2) be provided with the valve (2) that insulate slide into insulation division board (1) topmost time with on be connected the lower connection window (27) that window (11) is communicated with.
9. a handcart switch cabinet, comprise handcart room (4), bus-bar room (5) and the control room (6) of linear quadratic control equipment is housed, handcart (41) is provided with in described handcart room (4), described handcart (41) is provided with circuit breaker (410), be provided with for being connected copper bar (51) with the bus that the main contact (411) of circuit breaker (410) coordinates in described bus-bar room (5), it is characterized in that: between described handcart room (4) and bus-bar room (5), be provided with the handcart switch cabinet valve spacer assembly in claim 1 ~ 8 described in any one, the top of described handcart (41) is provided with takes turns (43) with the top of valve (2) upward sliding that promotes to insulate for coordinating with the guiding surface (31) of described handcart switch cabinet valve spacer assembly, the main contact (411) of described circuit breaker (410) is positioned at the side of connection window (11), described bus connects the opposite side that copper bar (51) is positioned at connection window (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520787464.1U CN205051225U (en) | 2015-10-12 | 2015-10-12 | Handcart -type is valve isolating device and handcart -type cubical switchboard for cubical switchboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520787464.1U CN205051225U (en) | 2015-10-12 | 2015-10-12 | Handcart -type is valve isolating device and handcart -type cubical switchboard for cubical switchboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205051225U true CN205051225U (en) | 2016-02-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520787464.1U Withdrawn - After Issue CN205051225U (en) | 2015-10-12 | 2015-10-12 | Handcart -type is valve isolating device and handcart -type cubical switchboard for cubical switchboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205051225U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105162017A (en) * | 2015-10-12 | 2015-12-16 | 株洲时代装备技术有限责任公司 | Movable door isolation device used for handcart-type switch cabinet and handcart-type switch cabinet |
-
2015
- 2015-10-12 CN CN201520787464.1U patent/CN205051225U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105162017A (en) * | 2015-10-12 | 2015-12-16 | 株洲时代装备技术有限责任公司 | Movable door isolation device used for handcart-type switch cabinet and handcart-type switch cabinet |
| CN105162017B (en) * | 2015-10-12 | 2017-07-07 | 株洲时代装备技术有限责任公司 | A kind of handcart switch cabinet valve isolating device and handcart switch cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: The age of 412001 in Hunan Province, Zhuzhou Shifeng District Road No. 169 Patentee after: Zhuzhou CRRC Times Equipment Technology Co., Ltd. Address before: The age of 412001 in Hunan Province, Zhuzhou Shifeng District Road No. 169 Patentee before: ZHUZHOU TIMES EQUIPMENT TECHNOLOGY CO., LTD. |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160224 Effective date of abandoning: 20170707 |