CN105510716A - Testing device for measuring specific resistance of interface between silicone rubber and glass fiber reinforced plastics - Google Patents
Testing device for measuring specific resistance of interface between silicone rubber and glass fiber reinforced plastics Download PDFInfo
- Publication number
- CN105510716A CN105510716A CN201610060214.7A CN201610060214A CN105510716A CN 105510716 A CN105510716 A CN 105510716A CN 201610060214 A CN201610060214 A CN 201610060214A CN 105510716 A CN105510716 A CN 105510716A
- Authority
- CN
- China
- Prior art keywords
- electrode
- fiberglass
- hole
- round
- silicon rubber
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
-
- 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
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
- G01R31/1245—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of line insulators or spacers, e.g. ceramic overhead line cap insulators; of insulators in HV bushings
Abstract
The invention discloses a testing device for measuring the specific resistance of an interface between silicone rubber and glass fiber reinforced plastics. The testing device comprises the silicone rubber, the glass fiber reinforced plastics, a round sheet measurement electrode, a round sheet high-voltage electrode, a first round shielding electrode, a second round shielding electrode, a power source and a current measurement device. The round sheet measurement electrode and the round sheet high-voltage electrode are arranged between the silicone rubber and the glass fiber reinforced plastics. The first round shielding electrode and the second round shielding electrode are respectively arranged on the outer sides of the opposite faces of the silicone rubber and the glass fiber reinforced plastics respectively. The round sheet high-voltage electrode is connected with the power source. The round sheet measurement electrode is connected with the current measurement device. The first round shielding electrode and the second round shielding electrode are both grounded. The testing device has the following advantages that volume current flowing through a silicon rubber test product and a glass fiber reinforced plastic test product of a center through hole can be shielded through the first round electrode and the second round electrode, and therefore performance of a composite insulator can be guaranteed, and stable running of an electric power system is guaranteed.
Description
Technical field
The application relates to high-voltage insulation technique field, is specifically related to a kind of test unit measuring the resistivity at interface between silicon rubber and fiberglass.
Background technology
The energy centre of China and power load center lay respectively at central and west regions and the southeastern coastal areas, and the reality that this energy centre and load center do not overlap makes to utilize the inevitable choice that extra-high voltage AC and DC circuit meets Large Copacity, long distance power transmission becomes national development.Composite insulator in overhead transmission line is born electrically and the effect of mechanical two aspects, is in operation and must bears long-term work voltage and various transient overvoltage, need can keep safety and stability simultaneously in climatic environment complicated and changeable.Therefore, composite insulator performance quality directly can affect the stable operation of electric system.
The fracture accident of composite insulator causes great threat to power system stability, correlative study wherein a class breaking part plug quality will become crisp, shape is as rotten wood, mandrel surface efflorescence, glass fibre and resin isolation, the composite insulator mechanical breaking accident that there is black electric discharge ablation vestige is called crisp rotten fracture.But not yet occur in prior art a kind ofly detecting composite insulator performance and the low device of cost.
Summary of the invention
The present invention is intended at least one of solve the problems of the technologies described above.
For this reason, one object of the present invention is to propose a kind of test unit measuring the resistivity at interface between silicon rubber and fiberglass.
To achieve these goals, embodiments of the invention disclose a kind of test unit measuring the resistivity at interface between silicon rubber and fiberglass, comprise silicon rubber, fiberglass, thin rounded flakes potential electrode, annular thin slice high-field electrode, the first circular shield electrode, the second circular shield electrode, power supply and current measure device, thin rounded flakes potential electrode and annular thin slice high-field electrode are arranged between silicon rubber and fiberglass, thin rounded flakes potential electrode and annular thin slice high-field electrode concentric are arranged, fiberglass is provided with the first through hole, second circular shield electrode is provided with the second through hole, the center of circle of thin rounded flakes potential electrode, described first through hole and described second through hole are positioned on straight line, first circular shield electrode is arranged on the surface away from the silicon rubber of fiberglass, second circular shield electrode is arranged on the surface away from the fiberglass of silicon rubber, described power supply is connected with annular thin slice high-field electrode, described current sensing means is by being connected with the center of circle of described second through hole with described thin rounded flakes potential electrode with described first through hole, first circular shield electrode and the equal ground connection of the second circular shield electrode, wherein, the diameter of the first circular shield electrode and the second circular shield electrode is all greater than the external diameter of annular thin slice high-field electrode, the diameter of thin rounded flakes potential electrode is less than the internal diameter of annular thin slice high-field electrode.
According to the test unit of the resistivity at interface between the measurement silicon rubber of the embodiment of the present invention and fiberglass, the volumetric energy of the fiberglass test product flowing through silicon rubber test product and central through hole can be shielded by the first circular electrode and the second circular electrode, thus ensure composite insulator performance, and then ensure the stable operation of electric system.
In addition, the test unit of the resistivity at interface between measurement silicon rubber according to the above embodiment of the present invention and fiberglass, can also have following additional technical characteristic:
Further, also comprise electrode leading-out piece, one end of electrode leading-out piece is arranged on the circle centre position of thin rounded flakes potential electrode, and the other end stretches out described first through hole.
Further, electrode leading-out piece stretches out described second through hole.
Further, the circle centre position of thin rounded flakes potential electrode is provided with circular hole, and described circular hole is used for one end of hold electrodes leading-out piece.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the structural representation of the test unit of the resistivity at interface between the measurement silicon rubber of one embodiment of the invention and fiberglass.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.
With reference to description below and accompanying drawing, these and other aspects of embodiments of the invention will be known.Describe at these and in accompanying drawing, specifically disclose some particular implementation in embodiments of the invention, representing some modes of the principle implementing embodiments of the invention, but should be appreciated that the scope of embodiments of the invention is not limited.On the contrary, embodiments of the invention comprise fall into attached claims spirit and intension within the scope of all changes, amendment and equivalent.
Below in conjunction with the test unit of accompanying drawing description according to the resistivity at interface between the measurement silicon rubber of the embodiment of the present invention and fiberglass.
Fig. 1 is the structural representation of the test unit of the resistivity at interface between the measurement silicon rubber of one embodiment of the invention and fiberglass.Please refer to Fig. 1, a kind of test unit measuring the resistivity at interface between silicon rubber and fiberglass, it is characterized in that, comprise silicon rubber 1, fiberglass 2, thin rounded flakes potential electrode 4, annular thin slice high-field electrode 6, first circular shield electrode 3, second circular shield electrode 7, power supply 10 and current measure device 8.
Wherein, thin rounded flakes potential electrode 4 and annular thin slice high-field electrode 6 are arranged between silicon rubber 1 and fiberglass 2, and thin rounded flakes potential electrode 4 and annular thin slice high-field electrode 6 concentric are arranged and the diameter of thin rounded flakes potential electrode 4 is less than the diameter of annular thin slice high-field electrode 6.Utilize high-temperature seal adhesive by annular thin slice high-field electrode 6 and thin rounded flakes potential electrode 4 respectively bonding with fiberglass 2 closely.
Fiberglass 2 is provided with the first through hole, the second circular shield electrode 7 is provided with the second through hole, the center of circle of thin rounded flakes potential electrode 4, the first through hole and the second through hole are positioned on straight line.First circular shield electrode 3 is arranged on the surface away from the silicon rubber 1 of fiberglass 2, and the second circular shield electrode 7 is arranged on the surface away from the fiberglass 2 of silicon rubber 1.Power supply 10 is connected with annular thin slice high-field electrode 6, and current sensing means 8, by being connected with the center of circle of the second through hole with thin rounded flakes potential electrode 4 with the first through hole, can measure the resistivity at interface between silicon rubber and fiberglass.First circular shield electrode 3 and the second circular shield electrode 7 all ground connection.Wherein, the diameter of the first circular shield electrode 3 and the second circular shield electrode 7 is all greater than the external diameter of annular thin slice high-field electrode 6, and the diameter of thin rounded flakes potential electrode 4 is less than the internal diameter of annular thin slice high-field electrode 6.Cooperatively interacted by the first circular shield electrode 3, second circular shield electrode 7 and annular thin slice high-field electrode 6 volumetric energy shielding and flow through the fiberglass test product 2 of silicon rubber test product 1 and central through hole, and protective resistance 9 pairs of circuit play a protective role.
In one embodiment of the invention, the test unit measuring the resistivity at interface between silicon rubber and fiberglass also comprises electrode leading-out piece 5, and one end of electrode leading-out piece 5 is arranged on the circle centre position of thin rounded flakes potential electrode 4, and the other end stretches out the first through hole.Can make convenient being connected with the circle centre position of thin rounded flakes potential electrode 4 of current measuring device by electrode leading-out piece 5, and electrode leading-out piece 5 can avoid when not stretching out the second through hole the test unit of the resistivity at interface between traverse measurement silicon rubber and fiberglass to be damaged by colliding.
In one embodiment of the invention, the other end of electrode leading-out piece 5 stretches out the second through hole further, makes convenient being connected with the circle centre position of thin rounded flakes potential electrode 4 of current measuring device.
In one embodiment of the invention, the circle centre position of thin rounded flakes potential electrode 4 is provided with circular hole, and described circular hole is used for one end of hold electrodes leading-out piece 5.
Particularly, go out to pre-set electrode leading-out piece 5 at the center of fiberglass 2, then thin rounded flakes potential electrode 4 is fixed on one end that electrode leading-out piece 5 is connected with fiberglass 2, is conducive to the center of circle of finding thin rounded flakes potential electrode 4 accurately.
In addition, between the measurement silicon rubber of the embodiment of the present invention and fiberglass the test unit of the resistivity at interface other form and effect be all known for a person skilled in the art, in order to reduce redundancy, do not repeat.
In the description of this instructions, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present invention and aim, scope of the present invention is by claim and equivalency thereof.
Claims (4)
1. measure the test unit of the resistivity at interface between silicon rubber and fiberglass for one kind, it is characterized in that, comprise silicon rubber (1), fiberglass (2), thin rounded flakes potential electrode (4), annular thin slice high-field electrode (6), the first circular shield electrode (3), the second circular shield electrode (7), power supply and current measure device;
Thin rounded flakes potential electrode (4) and annular thin slice high-field electrode (6) are arranged between silicon rubber (1) and fiberglass (2), thin rounded flakes potential electrode (4) and annular thin slice high-field electrode (6) concentric are arranged
(2) are provided with the first through hole to fiberglass, and the second circular shield electrode (7) is provided with the second through hole, and the center of circle of thin rounded flakes potential electrode (4), described first through hole and described second through hole are positioned on straight line,
First circular shield electrode (3) is arranged on the surface away from the silicon rubber (1) of fiberglass (2), second circular shield electrode (7) is arranged on the surface away from the fiberglass (2) of silicon rubber (1)
Described power supply is connected with annular thin slice high-field electrode (6), described current sensing means passes through to be connected with the center of circle of described second through hole with described thin rounded flakes potential electrode (4) with described first through hole, the first circular shield electrode (3) and the second circular shield electrode (7) all ground connection;
Wherein, the diameter of the first circular shield electrode (3) and the second circular shield electrode (7) is all greater than the external diameter of annular thin slice high-field electrode (6), and the diameter of thin rounded flakes potential electrode (4) is less than the internal diameter of annular thin slice high-field electrode (6).
2. the test unit of the resistivity at interface between measurement silicon rubber according to claim 1 and fiberglass, it is characterized in that, also comprise electrode leading-out piece (5), one end of electrode leading-out piece (5) is arranged on the circle centre position of thin rounded flakes potential electrode (4), and the other end stretches out described first through hole.
3. the test unit of the resistivity at interface between measurement silicon rubber according to claim 2 and fiberglass, it is characterized in that, electrode leading-out piece (5) stretches out described second through hole.
4. the measurement silicon rubber according to Claims 2 or 3 and the test unit of the resistivity at interface between fiberglass, it is characterized in that, the circle centre position of thin rounded flakes potential electrode (4) is provided with circular hole, and described circular hole is used for one end of hold electrodes leading-out piece (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610060214.7A CN105510716B (en) | 2016-01-28 | 2016-01-28 | Measure the experimental rig of the resistivity at interface between silicon rubber and fiberglass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610060214.7A CN105510716B (en) | 2016-01-28 | 2016-01-28 | Measure the experimental rig of the resistivity at interface between silicon rubber and fiberglass |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105510716A true CN105510716A (en) | 2016-04-20 |
| CN105510716B CN105510716B (en) | 2018-05-29 |
Family
ID=55718837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610060214.7A Active CN105510716B (en) | 2016-01-28 | 2016-01-28 | Measure the experimental rig of the resistivity at interface between silicon rubber and fiberglass |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105510716B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107688141A (en) * | 2017-10-20 | 2018-02-13 | 广东电网有限责任公司电力科学研究院 | The interface performance test system and method for a kind of composite insulator |
| CN107796988A (en) * | 2017-11-23 | 2018-03-13 | 广东电网有限责任公司电力科学研究院 | The surface resistivity measurement apparatus and method of a kind of GIS disc insulators |
| CN110286301A (en) * | 2019-05-20 | 2019-09-27 | 广东电网有限责任公司 | A kind of simulated high-pressure cable intermediate joint interface creeping discharge test method |
| CN112698102A (en) * | 2020-12-25 | 2021-04-23 | 广东电网有限责任公司电力科学研究院 | Method and device for testing interfacial resistivity of composite insulator sheath and core rod |
| CN113625053A (en) * | 2021-07-07 | 2021-11-09 | 广东电网有限责任公司广州供电局 | Cable, cable insulation interface resistance measuring circuit, method and device |
| CN114089062A (en) * | 2021-11-15 | 2022-02-25 | 广东电网有限责任公司 | Interface performance detection method and device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101310372A (en) * | 2005-09-19 | 2008-11-19 | 开利公司 | Minimizing interface resistance through thermoelectric device by surface modification of thermoelectric material |
| US20080297180A1 (en) * | 2007-06-01 | 2008-12-04 | Commissariat A L'energie Atomique | Device for measuring metal/semiconductor contact resistivity |
| CN102243274A (en) * | 2011-05-05 | 2011-11-16 | 昆明理工大学 | Method for measuring and calculating interface resistivity of Pb-Sn-Al laminated composite material |
| CN203350396U (en) * | 2013-05-22 | 2013-12-18 | 东莞市高能电气股份有限公司 | Composite insulator voltage aging testing apparatus |
| CN104733136A (en) * | 2015-02-27 | 2015-06-24 | 南方电网科学研究院有限责任公司 | Direct-current disk-shaped suspension type ceramic and glass insulator |
| CN104793055A (en) * | 2015-04-12 | 2015-07-22 | 盐城工学院 | Fabric surface specific resistance and volume specific resistance testing device |
-
2016
- 2016-01-28 CN CN201610060214.7A patent/CN105510716B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101310372A (en) * | 2005-09-19 | 2008-11-19 | 开利公司 | Minimizing interface resistance through thermoelectric device by surface modification of thermoelectric material |
| US20080297180A1 (en) * | 2007-06-01 | 2008-12-04 | Commissariat A L'energie Atomique | Device for measuring metal/semiconductor contact resistivity |
| CN102243274A (en) * | 2011-05-05 | 2011-11-16 | 昆明理工大学 | Method for measuring and calculating interface resistivity of Pb-Sn-Al laminated composite material |
| CN203350396U (en) * | 2013-05-22 | 2013-12-18 | 东莞市高能电气股份有限公司 | Composite insulator voltage aging testing apparatus |
| CN104733136A (en) * | 2015-02-27 | 2015-06-24 | 南方电网科学研究院有限责任公司 | Direct-current disk-shaped suspension type ceramic and glass insulator |
| CN104793055A (en) * | 2015-04-12 | 2015-07-22 | 盐城工学院 | Fabric surface specific resistance and volume specific resistance testing device |
Non-Patent Citations (3)
| Title |
|---|
| 张福增 等: "复合绝缘子断裂原因分析及缺陷评价方法", 《高电压技术》 * |
| 梁曦东 等: "超声法检测绝缘子用玻璃钢芯棒脆断裂纹的研究", 《中国电极工程学报》 * |
| 赵庆州: "复合绝缘子断裂机理分析及建议", 《广西电力》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107688141A (en) * | 2017-10-20 | 2018-02-13 | 广东电网有限责任公司电力科学研究院 | The interface performance test system and method for a kind of composite insulator |
| CN107688141B (en) * | 2017-10-20 | 2023-12-29 | 广东电网有限责任公司电力科学研究院 | Interface of composite insulator Performance test system and method |
| CN107796988A (en) * | 2017-11-23 | 2018-03-13 | 广东电网有限责任公司电力科学研究院 | The surface resistivity measurement apparatus and method of a kind of GIS disc insulators |
| CN107796988B (en) * | 2017-11-23 | 2023-05-16 | 广东电网有限责任公司电力科学研究院 | Surface resistivity measuring device and method for GIS basin-type insulator |
| CN110286301A (en) * | 2019-05-20 | 2019-09-27 | 广东电网有限责任公司 | A kind of simulated high-pressure cable intermediate joint interface creeping discharge test method |
| CN112698102A (en) * | 2020-12-25 | 2021-04-23 | 广东电网有限责任公司电力科学研究院 | Method and device for testing interfacial resistivity of composite insulator sheath and core rod |
| CN113625053A (en) * | 2021-07-07 | 2021-11-09 | 广东电网有限责任公司广州供电局 | Cable, cable insulation interface resistance measuring circuit, method and device |
| CN114089062A (en) * | 2021-11-15 | 2022-02-25 | 广东电网有限责任公司 | Interface performance detection method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105510716B (en) | 2018-05-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105510716A (en) | Testing device for measuring specific resistance of interface between silicone rubber and glass fiber reinforced plastics | |
| CN204086455U (en) | Cable line Partial Discharge Detection analogue means | |
| CN204116460U (en) | A kind of measuring system being applicable to insulating material high field conduction characteristic | |
| CN205844462U (en) | A kind of solid insulating material surface-discharge assay device | |
| CN102426283B (en) | System for testing current density and waveform of pole plate of electrostatic dust collector | |
| CN203672957U (en) | Non-contact test pencil | |
| CN105807189A (en) | Test device and test method for local discharge development process of superconducting insulating material | |
| CN203870209U (en) | Spark gap high voltage detector | |
| CN108931689A (en) | It is a kind of for measuring the three-electrode structure of solid insulating material volume resistivity | |
| CN203455392U (en) | Medium voltage division-based integrated photoelectric voltage sensor | |
| CN204314367U (en) | A kind of high-tension switch cabinet insulating part Leakage Current measures sensing device | |
| CN207380140U (en) | Power battery insulation resistance detection circuit | |
| CN103487712A (en) | Insulation test plate electrode | |
| CN205920191U (en) | PI reinforcement of flexible line way board is leaked and is pasted detection device | |
| CN207164103U (en) | The high pressure partial pressure arm and high-voltage electric energy meter of a kind of resistive-capacitive voltage divider | |
| Zheng et al. | Three-dimensional modeling and optimization of a fully-covered interdigital capacitive sensor for power cable insulation detection | |
| CN106443377A (en) | Insulation test piece DC conductivity and withstanding voltage combined tester and testing method thereof | |
| CN204595063U (en) | A kind of electrical circuit inspection and contact electroscope | |
| CN203929698U (en) | A kind ofly simulate the test unit that silicone rubber composite bushing is aging | |
| CN204514965U (en) | A kind of cable access device of dielectric loss checkout equipment | |
| CN204422580U (en) | Protecting component for electrostatic discharge test fixture | |
| CN204142854U (en) | A kind of lightning arrester live line measurement servicing unit | |
| CN203941270U (en) | The metal-oxide-semiconductor proving installation of protecting secondary battery plate | |
| CN103560484A (en) | Multipoint ground-connection current control device for three current transformers to monitor transformer clamping parts in online mode | |
| CN110376423A (en) | A kind of electric power apparatus examination high voltage electroscope |
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: Liang Xidong Inventor after: Bao Weining Inventor after: Gao Yanfeng Inventor after: Li Shaohua Inventor after: Liu Yingyan Inventor after: Luo Bing Inventor after: He Zilan Inventor after: Zhang Fuzeng Inventor before: Liang Xidong Inventor before: Bao Weining Inventor before: Gao Yanfeng Inventor before: Li Shaohua Inventor before: Liu Yingyan |
|
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20171110 Address after: 100084 Beijing City, Haidian District Tsinghua Yuan Applicant after: Tsinghua University Applicant after: Power Grid Technique Research Center of China Southern Power Grid Co., Ltd. Address before: 100084 Haidian District 100084-82 mailbox Beijing Applicant before: Tsinghua University |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210820 Address after: 100084 No. 1 Tsinghua Yuan, Beijing, Haidian District Patentee after: TSINGHUA University Patentee after: China Southern Power Grid Research Institute Co.,Ltd. Address before: 100084 Tsinghua Yuan, Beijing, Haidian District Patentee before: TSINGHUA University Patentee before: CSG POWER GRID TECHNOLOGY RESEARCH CENTER |