CN109116056B - Electric leakage detection device group mounting structure on power transmission line - Google Patents
Electric leakage detection device group mounting structure on power transmission line Download PDFInfo
- Publication number
- CN109116056B CN109116056B CN201810876200.1A CN201810876200A CN109116056B CN 109116056 B CN109116056 B CN 109116056B CN 201810876200 A CN201810876200 A CN 201810876200A CN 109116056 B CN109116056 B CN 109116056B
- Authority
- CN
- China
- Prior art keywords
- electric leakage
- box body
- press
- perspective window
- groove
- 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.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The invention provides an electric leakage detection device group installation structure on a power transmission line, which comprises a locking bolt, a second perspective window, a first pressing groove, a ventilation groove, a second pressing groove, a third pressing groove and a corrugated section, wherein the locking bolt is arranged on the first perspective window; the box body is of a rectangular cavity structure, the top surface of the box body is buckled with a top cover of a conical structure, and a first perspective window and a second perspective window are respectively embedded on the box body and the top cover; the outside of box is connected with six connecting wires, and this device is because six at least detection device connect respectively in the both sides of box, and the early warning box that they are connected can pass through bottom structure direct mount on overhead line, consequently can be more convenient press from both sides the detection device that connects the pencil and walk the pencil joint on the overhead line that corresponds, even if two sets of range upon range of formulas alternate the line mode of walking, also can install in a flexible way to can realize the installation of whole position control nature, it is more convenient to use, and is rational in infrastructure.
Description
Technical Field
The invention belongs to the technical field of electric leakage detection of phase line joints of electric transmission lines, and particularly relates to an installation structure of an electric leakage detection device group on an electric transmission line.
Background
The transmission line generally walks the group by three-phase power cord and zero line and constitutes, and some transmission lines are walked the line arrangement for bilayer or multilayer, and what is close to the component of overhead line transmission line rod end is defeated line binding post or the possibility that the joint department how much exists the electric leakage, consequently often installs electric leakage detection device here more at the overhead line in-process to the targeted observation electric leakage condition, play the effect of early warning in advance, utilize this warning effect, with the probability that the electric that electric leakage factor caused the phenomenon of catching fire fall minimum.
Based on the above, the inventor finds that at present, no multi-wiring-harness type overhead line detection device which is reasonable in structure and convenient to install is available, synchronous detection is carried out on overhead line multi-wiring-harness joints, the purpose of targeted detection on electric leakage detection of the overhead line wiring-harness multi-joints is achieved, a certain technical distance exists, and the flexible installation of the electric leakage detection of the unidirectional or multi-directional wiring-harness joints is particularly important.
Therefore, in view of the above, the present invention is to provide a mounting structure of a leakage detecting device set on a power transmission line, which is improved based on the existing structure and defects, so as to achieve the purpose of higher practical value.
Disclosure of Invention
In order to solve the above technical problem, the present invention provides an installation structure of a leakage detecting device set on a power transmission line, so as to solve the above proposed: at present, a multi-wiring-harness-type overhead line detection device which is reasonable in structure and convenient to install does not exist, synchronous detection is carried out on overhead line multi-wiring-harness joints, targeted detection is required to be achieved for electric leakage detection of the overhead line wiring-harness multi-joints, a certain technical distance exists, and particularly, the problem that flexible installation of electric leakage detection of unidirectional or multidirectional wiring-harness joints is extremely important is solved.
The purpose and the effect of the installation structure of the electric leakage detection device group on the electric transmission line are achieved by the following specific technical means:
the installation structure of the electric leakage detection device group on the electric transmission line comprises a box body, a top cover, a connecting wire, a first perspective window, a clamping seat, an embedded installation groove, a compression bolt, an electric leakage detector, a separation plate, an alarm lamp, a power supply conversion box, a compression plate, a locking bolt, a second perspective window, a first pressure groove, a ventilation groove, a second pressure groove, a third pressure groove and a corrugated section; the box body is of a rectangular cavity structure, the top surface of the box body is buckled with a top cover of a conical structure, and a first perspective window and a second perspective window are respectively embedded on the box body and the top cover; the outer side of the box body is connected with six connecting wires, the terminals of the connecting wires are provided with clamping seats made of soft rubber, the clamping seats are of open structures, the top surfaces of the open cavities of the clamping seats are provided with an electric leakage detector, and the top surfaces of the clamping seats are matched with two compression bolts through penetrating threaded sleeves; two end faces of the outer wall of the clamping seat are respectively provided with a corrugated section with a certain distance, so that the clamping seat can well realize clamping action; the bottom surface of the box body is also provided with a press mounting plate with an L-shaped structure, and the outermost end of the press mounting plate is penetrated with a row of locking bolts in a threaded sleeve mode; electric connection is realized through the inside power pencil of connecting wire to electric leakage detector and alarm lamp.
Furthermore, a row of first pressure grooves and a row of second pressure grooves are respectively formed in the bottom surface of the box body and the top surface of the bottom pressure mounting plate, and the two rows of pressure grooves are in one-to-one correspondence.
Furthermore, the cavity of the box body is divided into six independent small cavities by the installed partition plates, a power supply conversion box electrically connected with the overhead line is installed in the middle of the cavity, and at least a transformer for reducing voltage is installed in the power supply conversion box.
Furthermore, the division board makes all still install the alarm lamp of a cylindrical strip structure according to the vertically mode in the loculus that the box formed, and the length size of these alarm lamps surpasss the chamber of box deeply to the position and the top of these alarm lamps and the position at first perspective window and second perspective window place present corresponding perspective and watch the effect.
Furthermore, the clamping cavity of the clamping seat is of a composite structure, wherein the surface on which the electric leakage detector is arranged is of an inclined structure.
Furthermore, a row of third pressing grooves with semicircular groove structures corresponding in position are formed in the upper surface and the lower surface of the combined type clamping cavity of the clamping seat.
Furthermore, the press-mounting plate is also provided with a row of ventilation grooves with a rectangular groove structure, and the ventilation grooves are penetrated through the first press grooves.
Furthermore, the electric leakage detector is installed on the inclined plane in an embedded installation mode through an embedded installation groove, and the electric leakage detection terminal contact of the electric leakage detector faces outwards.
Compared with the prior art, the invention has the following beneficial effects:
this device is because six at least detection device connect respectively in the both sides of box, and the early warning box that they are connected can pass through bottom structure direct mount on overhead line, consequently can be more convenient press from both sides the detection device that connects the pencil on the overhead line wiring pencil joint that corresponds, even if two sets of range upon range of formulas alternate the line mode of walking, also can install in a flexible way, and can realize whole position control nature installation, it is more convenient to use, and rational in infrastructure, and what the response structure that adopts was the flexible electric connection mode, and the tight mode of withholding of holder structure, consequently, be convenient for realize flexible diversified nimble butt joint installation, be adapted to the installation of the line multi-thread formula of walking of restrainting.
This device is combined type structure, six prior art's detection device of installing at least can detect respectively overhead line high-voltage line connects to in the early warning signal that will detect conveys unified early warning box, because be equipped with two rows of perspective windows from top to bottom on the box, consequently the alarm signal who detects is more convenient for watch, and realizes corresponding, makes ground staff have more corresponding discernment electric leakage fault's pencil be which department, and is rational in infrastructure.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of the present invention with the top cover removed.
Fig. 3 is a schematic view of the bottom structure of the present invention.
FIG. 4 is a schematic view of the structure of part A of the present invention.
FIG. 5 is a schematic view of the structure of part B of the present invention.
Fig. 6 is a schematic top view of the bottom structure of the present invention.
Fig. 7 is a schematic top view of the present invention.
Fig. 8 is an installation schematic of the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
the device comprises a box body-1, a top cover-2, a connecting wire-3, a first perspective window-4, a clamping seat-5, an embedded mounting groove-6, a compression bolt-7, an electric leakage detector-8, a separation plate-9, an alarm lamp-10, a power supply conversion box-11, a press mounting plate-12, a locking bolt-13, a second perspective window-14, a first pressure groove-15, a ventilation groove-16, a second pressure groove-17, a third pressure groove-18 and a corrugated section-19.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 8:
the invention provides an electric leakage detection device group installation structure on a power transmission line, which comprises a box body 1, a top cover 2, a connecting wire 3, a first perspective window 4, a clamping seat 5, an embedded installation groove 6, a compression bolt 7, an electric leakage detector 8, a partition plate 9, an alarm lamp 10, a power supply conversion box 11, a press mounting plate 12, a locking bolt 13, a second perspective window 14, a first pressure groove 15, a ventilation groove 16, a second pressure groove 17, a third pressure groove 18 and a corrugated section 19; the box body 1 is of a rectangular cavity structure, the top surface of the box body is buckled with a top cover 2 with a conical structure, and a first perspective window 4 and a second perspective window 14 are respectively embedded on the box body 1 and the top cover 2; the outer side of the box body 1 is connected with six connecting wires 3, the terminals of the connecting wires 3 are provided with clamping seats 5 made of soft rubber, the clamping seats 5 are of open structures, the top surfaces of the open cavities are provided with electric leakage detectors 8, and the top surfaces of the clamping seats 5 are matched with two compression bolts 7 through penetrating threaded sleeves; corrugated sections 19 with a certain distance are respectively arranged on two end faces of the outer wall of the clamping seat 5, so that the clamping seat 5 can well realize clamping action; the bottom surface of the box body 1 is also provided with an L-shaped press-fitting plate 12, and the outermost end of the press-fitting plate 12 is penetrated with a row of locking bolts 13 in a threaded sleeve mode; electric connection is realized through the inside power pencil of connecting wire 3 to electric leakage detector 8 and alarm lamp 10.
The bottom surface of the box body 1 and the top surface of the bottom side press mounting plate 12 are respectively provided with a row of first press grooves 15 and a row of second press grooves 17 which are used for being mounted on the overhead line wiring harness, and the two rows of press grooves are in one-to-one correspondence, so that the box body 1 in the whole structure is provided with six detection structures, the overhead line wiring harness is mounted more conveniently, and the installation is more stable by utilizing the press groove structures.
The cavity of the box body 1 is divided into six independent small cavities by the installed partition plates 9, the small cavities can be used for placing the corresponding clamping seats 5, a power supply conversion box 11 electrically connected with the overhead line is installed in the middle of each cavity, and at least a transformer for reducing voltage is installed in each power supply conversion box 11, so that the current after voltage transformation enters the leakage detector 8 of each clamping seat 5 to form safe voltage.
Wherein, division board 9 makes all still install one department according to the vertically mode in the little cavity that box 1 formed and is used for the alarm lamp 10 to the cylindrical strip structure of leakage detector 8 alarm signal that sends, and the length and size of these alarm lamps 10 surpass the chamber of box 1 deeply, and the position and the top of these alarm lamps 10 place present corresponding perspective viewing effect with the position at first perspective window 4 and second perspective window 14 place, make the signal that each alarm lamp 10 sent realize dibit response effect, the warning viewing effect is more obvious.
The clamping cavity of the clamping seat 5 is of a composite structure, the surface where the electric leakage detector 8 is installed is of an inclined structure, and after the clamping seat 5 and the overhead line connector are compressed and closed through rotating the compression bolt 7, the position where the electric leakage detector 8 is located and the position of the overhead line connector where electric leakage is likely to occur form one-to-one induction correspondence.
And the upper surface and the lower surface of the composite clamping cavity of the clamping seat 5 are provided with a row of third press grooves 18 which enable the composite clamping cavity to be firmly pressed on the overhead wire harness joint.
The press-mounting plate 12 is further provided with a row of ventilation grooves 16 for reducing heat accumulation formed at the position of the wire harness, and the ventilation grooves 16 penetrate through the first press groove 15.
Wherein, the electric leakage detector 8 is installed on the inclined plane for the embedded mounting means through embedded mounting groove 6, and the electric leakage detection terminal contact of electric leakage detector 8 is outwards, towards the wire end region of the possible electric leakage of its installation overhead line joint department, when the electric spark of leaking appears in wire harness joint department, can be responded to by electric leakage detector 8's response contact to on the alarm lamp 10 with signal transmission correspondence, the warning light that alarm lamp 10 sent, through the more comprehensive demonstration of perspective window of two structure departments.
The specific use mode and function of the embodiment are as follows:
the device is arranged on the overhead line wire harness by a press plate 12 and is pressed by a locking bolt 13 to be fixed, as shown in figure 8, the number of the devices can be selectively installed according to the number of the wiring harnesses connected by the stringing poles and the distribution condition of the wiring harnesses, connecting and routing are carried out, at least six clamping seats 5 are pressed at the joint of the wire harness in the routing diagram of the structure, contact induction is realized by utilizing the leakage detector 8 which is simultaneously arranged in the clamping seats 5, the alarm lamp 10 with the cylindrical strip structure is used for sending an alarm signal by the electrical detector 8, the length dimension of the alarm lamp 10 exceeds the cavity depth of the box body 1, and the positions and the top ends of the alarm lamps 10 and the positions of the first perspective window 4 and the second perspective window 14 present corresponding perspective viewing effects, so that the signal sent by each alarm lamp 10 realizes a double-position sensing effect, and the early warning viewing effect is more obvious.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (1)
1. Electric leakage detection device group mounting structure on transmission line, its characterized in that: the electric leakage detection device group mounting structure on the power transmission line comprises a box body (1), a top cover (2), a connecting wire (3), a first perspective window (4), a clamping seat (5), an embedded mounting groove (6), a compression bolt (7), an electric leakage detector (8), a partition plate (9), an alarm lamp (10), a power supply conversion box (11), a press mounting plate (12), a locking bolt (13), a second perspective window (14), a first pressing groove (15), a ventilation groove (16), a second pressing groove (17), a third pressing groove (18) and a corrugated section (19); the box body (1) is of a rectangular cavity structure, the top surface of the box body is buckled with a top cover (2) of a conical structure, and a first perspective window (4) and a second perspective window (14) are respectively embedded in the box body (1) and the top cover (2); the outer side of the box body (1) is connected with six connecting wires (3), the terminals of the connecting wires (3) are provided with clamping seats (5) made of soft rubber, the clamping seats (5) are of open structures, the top surfaces of open cavities of the clamping seats are provided with electric leakage detectors (8), and the top surfaces of the clamping seats (5) are matched with two compression bolts (7) through penetrating threaded sleeves; two end faces of the outer wall of the clamping seat (5) are respectively provided with a corrugated section (19) with a certain distance, so that the clamping seat (5) can well realize clamping action; the bottom surface of the box body (1) is also provided with a press-mounting plate (12) with an L-shaped structure, and the outermost end of the press-mounting plate (12) is penetrated with a row of locking bolts (13) in a threaded sleeve mode; the electric leakage detector (8) is electrically connected with the alarm lamp (10) through a power supply wire harness in the connecting wire (3);
the bottom surface of the box body (1) and the top surface of the bottom side press-mounting plate (12) are respectively provided with a row of first press grooves (15) and a row of second press grooves (17), and the two rows of press grooves are in one-to-one correspondence;
the cavity of the box body (1) is divided into six independent small cavities by the aid of the installed partition plates (9), a power supply conversion box (11) electrically connected with the overhead line is installed in the middle of each cavity, and at least a transformer for reducing voltage is installed in each power supply conversion box (11);
the partition plate (9) enables a small cavity formed by the box body (1) to be internally provided with a cylindrical alarm lamp (10) with a strip structure in a vertical mode, the length of the alarm lamp (10) exceeds the cavity depth of the box body (1), and the positions and the top ends of the alarm lamps (10) and the positions of the first perspective window (4) and the second perspective window (14) present corresponding perspective viewing effects;
the clamping cavity of the clamping seat (5) is of a composite structure, wherein the surface on which the electric leakage detector (8) is arranged is of an inclined structure;
a row of third press grooves (18) with semicircular groove structures corresponding in position are formed in the upper surface and the lower surface of the composite clamping cavity of the clamping seat (5);
the press-mounting plate (12) is also provided with a row of ventilation grooves (16) with a rectangular groove structure, and the ventilation grooves (16) are penetrated through the first press groove (15);
the electric leakage detector (8) is installed on the inclined plane in an embedded installation mode through the embedded installation groove (6), and the electric leakage detection terminal contact of the electric leakage detector (8) faces outwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810876200.1A CN109116056B (en) | 2018-08-03 | 2018-08-03 | Electric leakage detection device group mounting structure on power transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810876200.1A CN109116056B (en) | 2018-08-03 | 2018-08-03 | Electric leakage detection device group mounting structure on power transmission line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109116056A CN109116056A (en) | 2019-01-01 |
| CN109116056B true CN109116056B (en) | 2021-08-10 |
Family
ID=64852796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810876200.1A Active CN109116056B (en) | 2018-08-03 | 2018-08-03 | Electric leakage detection device group mounting structure on power transmission line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109116056B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117970185A (en) * | 2024-04-01 | 2024-05-03 | 山东引领电子科技有限公司 | Electrical appliance leakage monitoring device and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6716042B2 (en) * | 2002-07-05 | 2004-04-06 | Michael Lin | Track system of projector lamp and electrical connection device assembly thereof |
| CN202649364U (en) * | 2012-04-11 | 2013-01-02 | 天地上海采掘装备科技有限公司 | Electricity leakage detection device |
| CN105782575A (en) * | 2016-05-20 | 2016-07-20 | 芜湖君禾电线电缆有限公司 | Multifunctional cable fixture |
| CN107315126A (en) * | 2017-08-21 | 2017-11-03 | 肇庆高新区黑阳科技有限公司 | A kind of leakage indicator |
| CN107765129A (en) * | 2016-08-19 | 2018-03-06 | 盘锦泓新机器人科技有限公司 | A kind of weak current engineering intelligent detection equipment |
-
2018
- 2018-08-03 CN CN201810876200.1A patent/CN109116056B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6716042B2 (en) * | 2002-07-05 | 2004-04-06 | Michael Lin | Track system of projector lamp and electrical connection device assembly thereof |
| CN202649364U (en) * | 2012-04-11 | 2013-01-02 | 天地上海采掘装备科技有限公司 | Electricity leakage detection device |
| CN105782575A (en) * | 2016-05-20 | 2016-07-20 | 芜湖君禾电线电缆有限公司 | Multifunctional cable fixture |
| CN107765129A (en) * | 2016-08-19 | 2018-03-06 | 盘锦泓新机器人科技有限公司 | A kind of weak current engineering intelligent detection equipment |
| CN107315126A (en) * | 2017-08-21 | 2017-11-03 | 肇庆高新区黑阳科技有限公司 | A kind of leakage indicator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109116056A (en) | 2019-01-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203205560U (en) | A breaking testing terminal connected by screws | |
| CN109116056B (en) | Electric leakage detection device group mounting structure on power transmission line | |
| CN206098944U (en) | Secondary circuit mistake proofing bayonet joint | |
| CN113922307B (en) | Bus system | |
| CN206388949U (en) | High-tension connector, high pressure connection status monitoring system and vehicle | |
| CN108767789B (en) | Live display intensive bus duct and power transmission and distribution system | |
| CN205377097U (en) | Overhaul power supply box | |
| CN208522420U (en) | A kind of electrification shows concentration bus duct and electrical power trans mission/distribution system | |
| CN213661134U (en) | Energy-conserving bus duct convenient to dismantle | |
| US9588138B2 (en) | Electric base, electric gateway, and electric gateway body | |
| CN211238680U (en) | Plug-in type male and female cable connector | |
| CN210723583U (en) | Electric connector socket device and protective cover device thereof | |
| CN203218823U (en) | Cable terminal grounding fixing device | |
| CN208316315U (en) | A kind of device of self energizing | |
| CN208889896U (en) | Connection terminal and detachable connector | |
| CN207426191U (en) | A kind of termination | |
| CN205982524U (en) | Aerify insulation test device for cabinet | |
| CN110176743A (en) | The insulation plug of cable connector with temp sensing function | |
| CN109818326B (en) | Shielding type rear-plug type separable connector and application method thereof | |
| CN221041758U (en) | High-temperature superconducting cable connecting device | |
| CN213602370U (en) | Energy-saving bus duct | |
| CN211653039U (en) | Novel insulation monitoring display instrument | |
| CN216054230U (en) | High-voltage terminal insulating protective cover of 10KV distribution transformer | |
| CN108682999A (en) | A kind of novel bus connector | |
| CN220914036U (en) | Zero sequence transformer module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210722 Address after: 330500 room 503, 166 Shiji Avenue, Shibi Town, Anyi County, Nanchang City, Jiangxi Province Applicant after: Jiangxi Zhengji Power Construction Co.,Ltd. Address before: No.27 Changchun Road, Shengzhou City, Shaoxing City, Zhejiang Province Applicant before: Wang Kaili |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |