CN104931762A - High-voltage current clamp capable of being assembled and disassembled in electrified mode and assembling and disassembling tool thereof - Google Patents
High-voltage current clamp capable of being assembled and disassembled in electrified mode and assembling and disassembling tool thereof Download PDFInfo
- Publication number
- CN104931762A CN104931762A CN201510301085.1A CN201510301085A CN104931762A CN 104931762 A CN104931762 A CN 104931762A CN 201510301085 A CN201510301085 A CN 201510301085A CN 104931762 A CN104931762 A CN 104931762A
- Authority
- CN
- China
- Prior art keywords
- device body
- spring
- tension current
- current clamp
- voltage current
- 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.)
- Granted
Links
Landscapes
- Clamps And Clips (AREA)
- Particle Accelerators (AREA)
Abstract
The invention relates to a high-voltage current clamp capable of being assembled and disassembled in an electrified mode and an assembling and disassembling tool thereof, and belongs to the technical field of electrified access measurement for electric power high-voltage side current. The high-voltage current clamp capable of being assembled and disassembled in the electrified mode comprises a high-voltage current clamp and a high-voltage current clamp assembling and disassembling tool, wherein the high-voltage current clamp is provided with a device body comprising two semi-circular structures, a closed spring, a line pressing spring pressing plate, a pressing plate triggering support plate and an assembling and disassembling limiting pull ring, and the internal part of the device body forms an equipotential opening current transformer accommodating cavity; the high-voltage current clamp assembling and disassembling tool comprises a pull-ring spring hook, a device body limiting groove and a line connecting rod nut; the hook is horizontally vertical with an upper edge opening of the device body limiting groove; the device body limiting groove is composed of a support with the radian being identical to that of the device body of the high-voltage current clamp and an inner groove with the shape being identical to that of the assembling and disassembling limiting pull ring; and both the inner diameter of the line connecting rod nut and the inner diameter of the device body limiting groove are provided with a screw buckle, and the opening directions are opposite. According to the invention, the high-voltage current clamp can be firmly assembled on a high-voltage bus or be disassembled from the high-voltage bus under an electrified condition. The structure not only avoids an insulation problem, but also improves the mechanical reliability.
Description
Technical field
The invention belongs to the charged access field of measuring technique of power high voltage side electric current, particularly relate to a kind of can charged mounting or dismounting high-tension current pincers.
Background technology
Opening or Open Type Electric Current Mutual Inductor can be installed because disconnecting high pressure bus, actual facility is brought to user, be widely used in recent years, from the product form of application at present, mainly contain two kinds, the first is high pressure inverted type current transformer structure, namely a bus passes from Secondary Winding, one Secondary Winding filling dielectric also completes electric insulation isolation, Secondary Winding is broken away two halves, be filled on bus so that folding is embraced, the conversion to primary current is completed from the secondary side number of winning the confidence during measurement, need during installation auxiliary equipment and frock more, if charged installation, auxiliary mould and the running program of needs are comparatively loaded down with trivial details, generally need operating personnel to dress the protective clothing of burning with adapted specialty arc protection to prevent, the protector such as protection blanket, stand on Live working Aerial Device, closely hand-held specific purpose tool just can complete installation,
The second is the mode taking high pressure equipotential to measure, which has evaded the problem of high-low pressure insulation, security greatly promotes than front a kind of mode, it is made up of two parts, one is the opening current transformer of scissor open-and-close mechanism with closing spring, two is coordinate the crane bar together with being screwedly mounted on opening current transformer spiral shell button, this product form is also more simpler than front a kind of mode in the convenience of charged installation, operating personnel can stand on the ground, the accurate bus of hand-held crane pole pair pushes away, scissor shedding mechanism completes bus action of filling the span of a man's arms under the effect of closing spring, measurement can be completed, instead push away in like manner, during dismounting, drop-down crane bar can complete dismounting, from practical application, mainly there is the following aspects problem in this two series products form at present:
1, the first product form, the insulation of Secondary Winding opening part is weak, and according to GB, it is qualified that shelf depreciation index is difficult to, and brings hidden danger to safety.In addition, subsidiary conditions are installed loaded down with trivial details especially.
2, the second product form, evade Insulation Problems, for the scissor open-and-close mechanism with closing spring, only can be enclosed within bus, can not reliably embrace pressure bus, in addition, opening current transformer spiral shell button for hand-held the crane bar and this product form of lifting mounting or dismounting fits in an entirety, during mounting or dismounting, crane bar can not disassemble separately, therefore only for interim measurement, can not be used for long-term on-line measurement.
Summary of the invention
Card line deficiency loosely when the object of the invention is to overcome that existing opening current transformer dielectric level is low and long-time to be measured, propose a kind of can charged mounting or dismounting high-tension current pincers, comprising high-tension current pincers and high-tension current pincers mounting or dismounting frock, high-tension current pincers firmly can be arranged on high voltage bus by the present invention under charged condition, or disassemble from high voltage bus.Structure of the present invention has not only evaded Insulation Problems, and improves the Mechanical Reliability of outdoor long-time running.
The present invention propose a kind of can charged mounting or dismounting high-tension current pincers and mounting or dismounting frock, it is characterized in that, comprise high-tension current pincers, high-tension current pincers mounting or dismounting frock two parts, wherein high-tension current pincers comprise tiltedly cut open into the left and right device body of two semicircular ring structures by decile, closing spring, line ball spring bearer plate, pressing plate trigger support plate, install and remove spacing draw ring, device body inside forms equipotential opening current transformer cavity volume; Wherein, two semi-circular portions joints of device body are respectively provided with connection of rotating axle, device body closing spring is arranged on the junction, bottom of two semicircular ring of device body, connection of rotating axle is fixed through device body closing spring by pin, device body closing spring both wings press respectively on the periphery of two subdivision semicircles, play the effect of device body two members close; Line ball spring bearer plate is by the fixture of one end in the right semi-circle ring being arranged on device body, be arranged on the rotating shaft on fixture, pin, aerofoil profile spring and pressing plate composition, pin is fixed through aerofoil profile spring and rotation axis, be in when device body closes on the surface level of cavity volume, play the effect of line ball, pressing plate triggers support plate and is fixed on the other end in right semi-circle ring; Wherein high-tension current pincers mounting or dismounting frock comprises draw ring spring carrier arm, device body stopper slot, crane bar nut; Wherein draw ring spring carrier arm is the hook mounting mechanism of drop-down dismounting high-tension current pincers, is fixed through rotation axis and aerofoil profile spring by pin, hook and device body stopper slot upper edge hole horizontal vertical; Device body stopper slot is the fixed sturcture lifting high-tension current pincers, for clamping the support of the radians such as device body with high-tension current and installing and removing the inside groove of spacing draw ring profile; Crane bar nut and device body stopper slot internal diameter are all with spiral shell button, and opening direction is contrary.
Feature of the present invention:
Of the present invention can charged mounting or dismounting high-tension current pincers, it is characterized in that, evaded high-tension current by high pressure equipotential principle of work and mode and clamped a Secondary Winding high-low pressure Insulation Problems; Scissor spring closed manners cover line is replaced with trigger spring pressing plate line ball; The charged mounting or dismounting that high-tension current clamps are completed with coordinating with high-tension current wrench structure and can clamping with high-tension current the frock be separated.
Compared with prior art, tool of the present invention has the following advantages:
1. high pressure equipotential design has evaded Insulation Problems;
2. device body closing spring, line ball spring bearer plate, pressing plate trigger support plate and have coordinated closed and line ball;
3. high-tension current pincers can with mounting or dismounting frock and each self-separation of crane bar.
Accompanying drawing explanation
Fig. 1 be provided by the invention can each component of one of them building block and closed and open schematic diagram in the high-tension current pincers of charged mounting or dismounting.
Fig. 2 be provided by the invention can each component schematic diagram of another one building block in the high-tension current pincers of charged mounting or dismounting.
Fig. 3 be provided by the invention can charged mounting or dismounting high-tension current pincers scheme of installation.
Fig. 4 be provided by the invention can charged mounting or dismounting high-tension current pincers dismounting schematic diagram.
Embodiment
In order to achieve the above object, provided by the invention a kind of can charged mounting or dismounting high-tension current pincers by reference to the accompanying drawings and embodiment be described in detail as follows:
Provided by the invention a kind of can charged mounting or dismounting high-tension current pincers, comprise high-tension current pincers, high-tension current pincers mounting or dismounting frock two parts, wherein the structure of high-tension current pincers as shown in Figure 1, comprise the device body tiltedly being cutd open into two the semicircular ring structures in left and right by decile, closing spring 1.1, line ball spring bearer plate 1.2, pressing plate triggers support plate 1.3, install and remove spacing draw ring 1.4, device body inside forms equipotential opening current transformer cavity volume 1.5, wherein, two semi-circular portions joints of device body are respectively provided with connection of rotating axle, device body closing spring is the junction, bottom that aerofoil profile spring 1.1 is arranged on two semicircular ring of device body, connection of rotating axle is fixed through 1.1 device body closing springs by pin, 1.1 device body closing spring both wings press respectively on the periphery of two subdivision semicircles, play the effect of device body two members close.Line ball spring bearer plate 1.2 is by the fixture 121 of one end in the right semi-circle ring being arranged on device body, be arranged on the rotating shaft 122 on fixture, pin, aerofoil profile spring and pressing plate 123 to form, pin is fixed through aerofoil profile spring and rotation axis, be in when device body closes on the surface level of cavity volume, play the effect of line ball, pressing plate triggers support plate 1.3 and is fixed on the other end in right semi-circle ring.When device body closes, as shown in Fig. 1 (a), pressing plate triggers support plate 1.3 and is in below line ball spring bearer plate 1.2, when device body is opened, as shown in Fig. 1 (b), pressing plate triggers between support plate 1.3 and 1.2 line ball spring bearer plate and forms timbering with rafter arch sets, plays the effect supporting and trigger 1.2 line ball spring bearer plates.Mounting or dismounting armed draw ring 1.4 is door frame shaped handle, is connected to high-tension current pincers device body lower end.The built-in equipotential opening current transformer of equipotential opening current transformer cavity volume 1.5.
Wherein high-tension current pincers mounting or dismounting frock, as shown in Figure 2, comprises draw ring spring carrier arm 2.1, device body stopper slot 2.2, crane bar nut 2.3.
Wherein draw ring spring carrier arm 2.1 is the hook mounting mechanism of drop-down dismounting high-tension current pincers, is fixed through rotation axis and aerofoil profile spring by pin, hook and device body stopper slot 2.2 upper edge hole horizontal vertical.The fixed sturcture that device body stopper slot 2.2 clamps for lifting high-tension current, for clamping the support of the radians such as device body and installing and removing the inside groove of the profiles such as spacing draw ring 1.4 with high-tension current.2.3 crane bar nuts and device body stopper slot 2.2 internal diameter are all with spiral shell button, and opening direction is contrary.
Function and the embodiment of each parts of the present invention are described in detail as follows respectively:
Device body closing spring 1.1 in high-tension current pincers, device body closing spring is aerofoil profile spring, the oblique subdivision of 1 high-tension current pincers decile, connection of rotating axle is provided with by two semi-circular portions half and half of subdivision, connection of rotating axle is fixed through 1.1 device body closing springs by pin, 1.1 device body closing spring both wings press respectively on the periphery of two subdivision semicircles, play effect closed for two semi-circular portions of high-tension current pincers.1.2 line ball spring bearer plates are fixed in the horizontal plane through aerofoil profile spring and rotation axis by pin, support 1.2 line ball spring bearer plates by 1.3 pressing plates triggering support plates during use and form spring energy-storage, when 1.3 pressing plates triggering support plate touching high voltage bus are triggered, 1.2 line ball spring bearer plate energy-stored springs release energy to be formed and press embracing of high voltage bus.1.3 pressing plates trigger support plate and 1.2 line ball spring bearer plates design in opposite directions, and form timbering with rafter arch sets between 1.2 line ball spring bearer plates, play the effect of triggering 1.2 line ball spring bearer plate when touching high voltage bus.The spacing draw ring of 1.4 mounting or dismounting is door frame shaped handle, is in 1 high-tension current pincers below, when installation 1 high-tension current clamps, the spacing draw ring of 1.4 mounting or dismounting is placed in 2.1 device body stopper slots, plays the effect of lifting support 1 high-tension current pincers.1.5 equipotential opening current transformer cavity volume built-in equipotential opening current transformer, for the measurement to bus current.
Wherein draw ring spring carrier arm 2.1 is fixed through rotation axis and aerofoil profile spring by pin, and under aerofoil profile spring one wing presses, draw ring spring carrier arm 2.1 beginning and device body stopper slot 2.2 upper edge hole keep the vertical configuration of same level, for the charged dismounting of high-tension current pincers 1.Device body stopper slot 2.2, for lifting the fixed sturcture of high-tension current pincers 1, install and remove the stopper slot of the physical dimension such as armed draw ring, is clamped the charged installation of 1 for high-tension current with the supporting surface and 1.4 with the radian such as 1 high-tension current pincers.Crane bar nut 2.3 and device body stopper slot 2.2 internal diameter are all with spiral shell button, and opening direction is contrary, can be equipped with, to extend the operation distance of mounting or dismounting with crane bar.
Charged access type high-tension current wrench structure and the mounting and dismounting method thereof that can be used for long-time running provided by the invention, the following step performed in order during installation:
Step one, as Fig. 1 (b), cocked 1.2 line ball spring bearer plates, cocked 1.3 pressing plates trigger support plate again, form 1.3 pressing plates to trigger support plates and pull and supports the triggering of 1.2 line ball spring bearer plates, namely complete the line ball that 1 high-tension current clamps and trigger preset preparation, make it be in open mouth tongs shape state.
Determine the installation site of 4 high voltage bus;
Step 2, as Fig. 3 (a), screws in crane bar 3 in crane bar nut 2.3, completes crane bar 3 and clamps the equipped preparation of installing and removing frock 2 with high-tension current.
Step 3, as Fig. 3 (b), then clamps high-tension current in 1 device for posting body stopper slot 2.2, completes high-tension current and clamps 1 charged installation preparation.
Step 4, determines the position of high voltage bus 4, and hand lifts 3 crane bars, the jaw of high-tension current device 1 device body is aimed at high voltage bus 4, above pushes away crane bar, pressing plate triggers support plate 1.3 and is triggered, line ball spring bearer plate 1.2 is triggered by aerofoil profile spring thereupon, forms armful pressure 3 to high voltage bus.
Step 5, cancels 3 crane bar lifting force, gently draws 3 crane bars downwards, can complete 1 high-tension current device device body and 2 high-tension currents pincers mounting or dismounting frock and the disengaging with its 3 equipped crane bars.
The following step performed in order during dismounting:
Step one, completes the equipped stand-by of high-tension current pincers mounting or dismounting frock 2 and crane bar 3.
Step 2, hand lifts crane bar 3, draw ring spring carrier arm 2.1 is aimed at the mounting or dismounting armed draw ring 1.4 on 1 high-tension current pincers, on push away 3 crane bars, as Fig. 4 (a), draw ring spring carrier arm 2.1 passes after being pressed down by mounting or dismounting armed draw ring 1.4, namely completes dismounting and prepares.
Step 3, firmly drop-down 3 crane bars, as Fig. 4 (b), namely complete being separated of 1 high-tension current pincers and 4 high voltage bus.
Although with reference to some preferred embodiment of the present invention, to invention has been diagram and describing, the general professional and technical personnel of this area should be understood that and can do various change to the present invention in form and details, and without departing from the spirit and scope of the present invention.
Claims (1)
1. one kind can charged mounting or dismounting high-tension current pincers and mounting or dismounting frock, it is characterized in that, comprise high-tension current pincers, high-tension current pincers mounting or dismounting frock two parts, wherein high-tension current pincers comprise tiltedly cut open into the left and right device body of two semicircular ring structures by decile, closing spring, line ball spring bearer plate, pressing plate trigger support plate, install and remove spacing draw ring, device body inside forms equipotential opening current transformer cavity volume; Wherein, two semi-circular portions joints of device body are respectively provided with connection of rotating axle, device body closing spring is arranged on the junction, bottom of two semicircular ring of device body, connection of rotating axle is fixed through device body closing spring by pin, device body closing spring both wings press respectively on the periphery of two subdivision semicircles, play the effect of device body two members close; Line ball spring bearer plate is by the fixture of one end in the right semi-circle ring being arranged on device body, be arranged on the rotating shaft on fixture, pin, aerofoil profile spring and pressing plate composition, pin is fixed through aerofoil profile spring and rotation axis, be in when device body closes on the surface level of cavity volume, play the effect of line ball, pressing plate triggers support plate and is fixed on the other end in right semi-circle ring; Wherein high-tension current pincers mounting or dismounting frock comprises draw ring spring carrier arm, device body stopper slot, crane bar nut; Wherein draw ring spring carrier arm is the hook mounting mechanism of drop-down dismounting high-tension current pincers, is fixed through rotation axis and aerofoil profile spring by pin, hook and device body stopper slot upper edge hole horizontal vertical; Device body stopper slot is the fixed sturcture lifting high-tension current pincers, for clamping the support of the radians such as device body with high-tension current and installing and removing the inside groove of spacing draw ring profile; Crane bar nut and device body stopper slot internal diameter are all with spiral shell button, and opening direction is contrary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510301085.1A CN104931762B (en) | 2015-06-04 | 2015-06-04 | It is a kind of can powered assembly and disassembly high-tension current pincers and its assembly and disassembly frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510301085.1A CN104931762B (en) | 2015-06-04 | 2015-06-04 | It is a kind of can powered assembly and disassembly high-tension current pincers and its assembly and disassembly frock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104931762A true CN104931762A (en) | 2015-09-23 |
| CN104931762B CN104931762B (en) | 2018-05-11 |
Family
ID=54119024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510301085.1A Expired - Fee Related CN104931762B (en) | 2015-06-04 | 2015-06-04 | It is a kind of can powered assembly and disassembly high-tension current pincers and its assembly and disassembly frock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104931762B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111693809A (en) * | 2020-06-11 | 2020-09-22 | 广东电网有限责任公司清远供电局 | Low-voltage line loss metering device |
| CN112290678A (en) * | 2020-10-22 | 2021-01-29 | 许继集团有限公司 | High-voltage current monitoring device with self-locking structure and operation method thereof |
| CN112485591A (en) * | 2020-11-20 | 2021-03-12 | 贵州电网有限责任公司 | Distribution transformer earth connection live detection device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102570327A (en) * | 2012-03-05 | 2012-07-11 | 青州市供电公司 | Cable clamp for one-time current rise of closed switch cabinet |
| CN103530972A (en) * | 2013-10-25 | 2014-01-22 | 黑龙江安吉斯物联网科技开发有限公司 | Buckling open-close residual current transformer based on electric fire detector |
| CN203616377U (en) * | 2013-11-27 | 2014-05-28 | 比亚迪股份有限公司 | Current sensor |
| CN203965577U (en) * | 2014-07-30 | 2014-11-26 | 国家电网公司 | A kind of converting equipment withstand voltage test jointing clamp of mechanical close slip-off preventing |
| CN104459226A (en) * | 2014-12-22 | 2015-03-25 | 深圳市航天泰瑞捷电子有限公司 | High-voltage line monitor and shell of high-voltage line monitor |
| CN204882678U (en) * | 2015-06-04 | 2015-12-16 | 北京智罗盘智能电气有限公司 | High -pressure current clamp that can install and remove with electricity and install and remove frock thereof |
-
2015
- 2015-06-04 CN CN201510301085.1A patent/CN104931762B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102570327A (en) * | 2012-03-05 | 2012-07-11 | 青州市供电公司 | Cable clamp for one-time current rise of closed switch cabinet |
| CN103530972A (en) * | 2013-10-25 | 2014-01-22 | 黑龙江安吉斯物联网科技开发有限公司 | Buckling open-close residual current transformer based on electric fire detector |
| CN203616377U (en) * | 2013-11-27 | 2014-05-28 | 比亚迪股份有限公司 | Current sensor |
| CN203965577U (en) * | 2014-07-30 | 2014-11-26 | 国家电网公司 | A kind of converting equipment withstand voltage test jointing clamp of mechanical close slip-off preventing |
| CN104459226A (en) * | 2014-12-22 | 2015-03-25 | 深圳市航天泰瑞捷电子有限公司 | High-voltage line monitor and shell of high-voltage line monitor |
| CN204882678U (en) * | 2015-06-04 | 2015-12-16 | 北京智罗盘智能电气有限公司 | High -pressure current clamp that can install and remove with electricity and install and remove frock thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111693809A (en) * | 2020-06-11 | 2020-09-22 | 广东电网有限责任公司清远供电局 | Low-voltage line loss metering device |
| CN112290678A (en) * | 2020-10-22 | 2021-01-29 | 许继集团有限公司 | High-voltage current monitoring device with self-locking structure and operation method thereof |
| CN112485591A (en) * | 2020-11-20 | 2021-03-12 | 贵州电网有限责任公司 | Distribution transformer earth connection live detection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104931762B (en) | 2018-05-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204882678U (en) | High -pressure current clamp that can install and remove with electricity and install and remove frock thereof | |
| CN104931762A (en) | High-voltage current clamp capable of being assembled and disassembled in electrified mode and assembling and disassembling tool thereof | |
| CN204046009U (en) | 35kV-PT built-in type high pressure fuse replacement aid | |
| CN205193139U (en) | Adjustable clip on ammeter remote operation pole | |
| CN203895631U (en) | Grounding wire assembling and disassembling special-purpose device | |
| CN103808985A (en) | High-altitude wire connecting device of high-voltage electrical equipment | |
| CN209640405U (en) | A kind of a kind of electroscopic device of UAV flight | |
| CN202975127U (en) | Portable safe high-voltage electroscope | |
| CN104409891A (en) | Scissor type spring self-locking lead end grounding cable clamp | |
| CN203339558U (en) | Central switch cabinet bus electricity testing grounding car | |
| CN209119265U (en) | A kind of lithium battery grading system cabinet point | |
| CN103926428B (en) | A kind of VS1 type circuit breaker characteristic test sensor special support | |
| CN209267132U (en) | A kind of lightning protection device protective module changer | |
| CN202651398U (en) | Main transformer outlet bus special-purpose ground wire | |
| CN204905471U (en) | Novel earth connection couple | |
| CN204332809U (en) | Vacuum circuit-breaker | |
| CN204205390U (en) | 10 kilovolts of armored mid-set grounding device of switch cabinets | |
| CN209167409U (en) | A kind of electroscope head with conducting wire guide function | |
| CN104569508B (en) | A kind of anti-misoperation apparatus of low-voltage metering cabinet | |
| CN203617130U (en) | Novel electromagnetic wire 90-degree bending tool | |
| CN209055585U (en) | A kind of universal electroscope head in all fronts | |
| CN205385238U (en) | Cubical switchboard nuclear phase safety protection ware | |
| CN202601887U (en) | A plug used for a single-phase overhaul power supply disc | |
| CN204012350U (en) | Transformer station's double-bus balance insulating ladder of sealing up a door | |
| CN213027031U (en) | Low-voltage control cabinet with cabinet door convenient to open |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Gao Zili Inventor after: Qi Kaili Inventor after: Chen Zhe Inventor after: Huang Dongwei Inventor after: Song Yugang Inventor before: Chen Zhe Inventor before: Huang Dongwei Inventor before: Song Yugang |
|
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Gao Zili Inventor after: Zhang Wenqi Inventor after: Qi Kaili Inventor after: Chen Zhe Inventor after: Huang Dongwei Inventor after: Song Yugang Inventor before: Gao Zili Inventor before: Qi Kaili Inventor before: Chen Zhe Inventor before: Huang Dongwei Inventor before: Song Yugang |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180511 |