CN112992438A - Insulator structure for power transmission and transformation engineering and installation method - Google Patents
Insulator structure for power transmission and transformation engineering and installation method Download PDFInfo
- Publication number
- CN112992438A CN112992438A CN202110291292.9A CN202110291292A CN112992438A CN 112992438 A CN112992438 A CN 112992438A CN 202110291292 A CN202110291292 A CN 202110291292A CN 112992438 A CN112992438 A CN 112992438A
- Authority
- CN
- China
- Prior art keywords
- insulator
- connector
- insulator body
- power transmission
- inner conductor
- 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
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/36—Insulators having evacuated or gas-filled spaces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/02—Suspension insulators; Strain insulators
- H01B17/06—Fastening of insulator to support, to conductor, or to adjoining insulator
- H01B17/10—Fastening of insulator to support, to conductor, or to adjoining insulator by intermediate link
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/14—Supporting insulators
- H01B17/16—Fastening of insulators to support, to conductor, or to adjoining insulator
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/38—Fittings, e.g. caps; Fastenings therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/05—Suspension arrangements or devices for electric cables or lines
Landscapes
- Insulators (AREA)
- Insulating Bodies (AREA)
Abstract
The invention relates to an insulator structure for a power transmission and transformation project and an installation method thereof, wherein the insulator structure for the power transmission and transformation project comprises an insulator body with a triangular end surface, a pressing sleeve, a connector inner conductor and a connector outer conductor, and two air holes are uniformly formed in the insulator body. The insulator body is clamped and fixed on the connector inner conductor, the insulator body and the connector inner conductor can be detachably fixed in the pressing sleeve, the pressing sleeve can be detachably fixed in the connector outer conductor, and the outer wall of the connector inner conductor is in interference fit with the inner wall of the insulator body, the outer wall of the insulator body and the inner wall of the connector outer conductor. The number of the insulator through holes is reduced to 2, so that the risk can be effectively avoided, the insulating support strength of the insulator is improved, and the assembly process performance of parts is good.
Description
Technical Field
The invention relates to the technical field of power engineering, in particular to an insulator structure for power transmission and transformation engineering and an installation method.
Background
The insulator is a special insulating control and can play an important role in an overhead transmission line. Early-year insulators are mostly used for telegraph poles, and a plurality of disc-shaped insulators are hung at one end of a high-voltage wire connecting tower which is gradually developed, are used for increasing creepage distance and are usually made of glass or ceramics, namely insulators. The insulator should not fail due to various electromechanical stresses caused by changes in environmental and electrical loading conditions, otherwise the insulator will not function significantly and will compromise the service and operational life of the entire line.
In the prior art, referring to fig. 1, the insulator structure is that 6 through holes are uniformly distributed on the circumference of the insulator, the duty ratio on the insulator is large, if the method of splicing and assembling processes after the insulator is cut is adopted, the through holes on parts are inevitably cut, the splicing difficulty of the holes is large during splicing, the distribution of insulating media in the connector is uneven, and the performance index of the connector is further influenced. Meanwhile, the 6 through holes of the insulator are uniformly distributed, so that the hole wall of the insulator is thin, and if an insulator cutting and assembling method is adopted, the risk of insufficient support strength of the insulator exists.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an insulator structure for power transmission and transformation engineering and an installation method thereof, wherein the number of insulator through holes is reduced to 2, the risks can be effectively avoided, the insulating support strength of the insulator is improved, and the assembly process performance of parts is good.
The above object of the present invention is achieved by the following technical solutions:
an insulator structure for power transmission and transformation engineering comprises an insulator body with a triangular end face, a pressing sleeve, a connector inner conductor and a connector outer conductor, wherein two air holes are uniformly formed in the insulator body;
the insulator body is clamped and fixed on the connector inner conductor, the insulator body and the connector inner conductor are detachably fixed in the pressing sleeve, the pressing sleeve is detachably fixed in the connector outer conductor, and the outer wall of the connector inner conductor is in interference fit with the inner wall of the insulator body, the outer wall of the insulator body and the inner wall of the connector outer conductor.
The present invention in a preferred example may be further configured to: the insulator body comprises two insulating parts which are spliced together, the two air holes are respectively arranged on the insulating parts, and the two insulating parts are symmetrically arranged along the central line of the insulator body.
The present invention in a preferred example may be further configured to: the two air holes are symmetrically arranged along the central line of the insulator body.
The present invention in a preferred example may be further configured to: and the end surfaces of the insulator body along the two ends of the insulator body in the length direction are respectively provided with an annular groove.
The present invention in a preferred example may be further configured to: the insulator body is made of polyetherimide materials.
The present invention in a preferred example may be further configured to: the two insulator bodies at the middle position and the end position of the inner conductor of the connector along the length direction have the same structure.
A mounting method of an insulator structure for power transmission and transformation engineering comprises the following steps:
s1, before the insulator body is assembled, the insulator body is evenly cut into two halves along the central line position by using a special tool to form two symmetrical insulating parts;
s2, assembling the two insulation parts on the inner conductor of the connector, and pressing the inner conductor of the connector and the insulator body into a press sleeve by a special assembly tool;
and S3, finally pressing the pressing sleeve into the outer conductor of the connector to form the insulator structure.
The present invention in a preferred example may be further configured to: in step S1, the insulator body is cut while avoiding the air hole position on the insulator body.
In summary, the invention includes at least one of the following beneficial technical effects:
1. the insulator body adopts a common-section high-impedance compensation design, annular groove structures are designed on two end faces, and air holes are respectively formed in two symmetrical insulating parts of the insulator body to form a mixed insulating medium, so that the dielectric constant is reduced, and the consistency of the internal characteristic impedance of the connector is ensured. The new construction has reduced the quantity of through-hole, is reduced to 2 by original 6, has effectively improved the insulating support intensity of novel insulator like this. And this insulator body has adopted triangular appearance structure form, and the circular or square that is different from conventional insulator has reduced the corresponding weight that has lightened of volume of insulator, is favorable to the circulation of gaseous when the thermal expansion.
2. The insulator body is designed in an innovative way, so that the insulator body can be used as a middle supporting insulator and an end fixing insulator, the universality of the insulator is improved, and the modularization of products is facilitated. And the mounting method of the insulator structure for the power transmission and transformation project improves the assembly manufacturability of the connector and can effectively improve the assembly qualification rate of the connector.
3. The insulator outer diameter among this insulator body structure grow, 2 air holes evenly distributed are on the insulator body, and through-hole quantity reduces for the duty cycle of air medium reduces on the insulator, has improved the processing technology nature of part. Interference press-fit mode is still adopted between connector inner conductor and the insulator body, between insulator body and the connector outer conductor. The insulator assembly process adopts an assembly method that the insulator is butted on the inner conductor of the connector after the insulator is cut into two halves, thereby ensuring the structural integrity of the inner conductor of the connector, reducing the number of parts of the connector, improving the assembly manufacturability of the connector, optimizing the integral structure of the connector and improving the reliability of the connector.
Drawings
Fig. 1 is a schematic view showing an end face structure of an insulator in the prior art.
Fig. 2 is a schematic view showing an end face structure of the insulator body according to the present invention.
Fig. 3 is an assembly structure view showing an insulator body according to the present invention.
Reference numerals: 1. an insulator body; 11. an air hole; 12. an insulating section; 13. an annular groove; 2. pressing the sleeve; 3. a connector inner conductor; 4. a connector outer conductor.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 2, the insulator structure for power transmission and transformation engineering disclosed by the invention comprises an insulator body 1 with a triangular end surface, a pressing sleeve 2, a connector inner conductor 3 and a connector outer conductor 4, wherein two air holes 11 are uniformly formed in the insulator body 1.
The insulator body 1 comprises two insulating parts 12 which are spliced together, the two air holes 11 are respectively arranged on the insulating parts 12, the two insulating parts 12 are symmetrically arranged by using the central line of the insulator body 1, and the two air holes 11 are symmetrically arranged by using the central line of the insulator body 1.
Referring to fig. 3, insulator body 1 is blocked to be established and is fixed on connector inner conductor 3, insulator body 1 and connector inner conductor 3 can be dismantled to be fixed in pressing cover 2, press cover 2 to be dismantled and fix in connector outer conductor 4, interference fit between the outer wall of connector inner conductor 3 and the inner wall of insulator body 1, the outer wall of insulator body 1 and the inner wall of connector outer conductor 4, ring channel 13 has been seted up respectively to the terminal surface at its length direction both ends along insulator body 1.
In this embodiment, the insulator body 1 is made of polyetherimide material, which is widely used in similar products at home and abroad, and has excellent comprehensive performance indexes, such as: 1. high temperature resistance; 2. excellent flame retardancy; 3. electrical performance with stable dielectric constant and dielectric loss and extremely high dielectric strength over a broad frequency and temperature range; 4. excellent chemical corrosion resistance and resistance; 5. high strength and rigidity.
The two insulator bodies 1 at the middle position and the end position of the connector inner conductor 3 along the length direction have the same structure. This insulator body 1 makes this insulator body 1 both can do the middle support insulator and can do the use of tip fixed insulator through the design of innovation, has improved the commonality of insulator, is favorable to the modularization of product.
In a connector, in order to reduce attenuation of a transmission signal, the characteristic impedance matching uniformity of the connector is a basic requirement. The characteristic impedance is designed to be 50 Ω.
The general formula for the characteristic impedance of a connector is:
Z＝60/& ㏑D/d (1)；
wherein, in the formula, Z. Is the characteristic impedance of the connector, & is the relative dielectric constant of the transmission medium, D is the inner diameter of the outer conductor of the connector, D is the outer diameter of the inner conductor of the connector, and the unit of D and D is mm. As can be seen from the equation (1), the characteristic impedance of the connector is determined by the relative dielectric constant of the transmission medium, the inner diameter of the outer conductor of the transmission line, and the outer diameter of the inner conductor.
The outer diameter of the insulator with the novel structure is increased, the aperture is reduced, the calculation is carried out according to the formula (1), the effective dielectric constant of the insulating and supporting structure of the connector is increased and is closer to the dielectric constant of a polyetherimide material, and the dielectric constant of the mixed medium of the insulator is enabled to meet the requirement through the design of reducing the number of through holes. The insulator is simple in structure, and the manufacturability of part production is improved.
A mounting method of an insulator structure for power transmission and transformation engineering comprises the following steps:
s1, before the insulator body 1 is assembled, the insulator body 1 is evenly cut into two parts along the central line position by using a special tool to form two symmetrical insulating parts 12;
s2, assembling the two insulating parts 12 on the inner conductor 3 of the connector, and pressing the inner conductor 3 of the connector and the insulator body 1 into the pressing sleeve 2 by a special assembly tool;
and S3, finally pressing the pressing sleeve 2 into the outer conductor 4 of the connector to form the insulator structure.
In step S1, the insulator body 1 is cut while avoiding the air hole 11 in the insulator body 1. The mounting method of the insulator structure for the power transmission and transformation project improves the assembly manufacturability of the connector and can effectively improve the assembly qualification rate of the connector.
The insulator outer diameter in this insulator body 1 structure grow, 2 air holes 11 evenly distributed are on insulator body 1, and through-hole quantity reduces for the duty cycle of air medium reduces on the insulator, has improved the processing technology nature of part. Interference press-fit mode is still adopted between connector inner conductor 3 and insulator body 1, between insulator body 1 and connector outer conductor 4.
The insulator assembly process adopts an assembly method that the insulator is cut into two halves and then butted on the inner conductor 3 of the connector, thereby ensuring the structural integrity of the inner conductor 3 of the connector, reducing the number of parts of the connector, improving the assembly manufacturability of the connector, optimizing the integral structure of the connector and improving the reliability of the connector.
The implementation principle of the embodiment is as follows: the insulator body 1 adopts a common-section high-impedance compensation design, annular groove 13 structures are designed on two end faces, and the insulator body 1 is provided with air holes 11 on two symmetrical insulating parts 12 respectively to form a mixed insulating medium, so that the dielectric constant is reduced, and the consistency of the internal characteristic impedance of the connector is ensured.
The new construction has reduced the quantity of through-hole, is reduced to 2 by original 6, has effectively improved the insulating support intensity of novel insulator like this. And this insulator body 1 has adopted triangular appearance structure form, and the circular or square that is different from conventional insulator has reduced the corresponding weight that has lightened of volume of insulator, is favorable to the circulation of gaseous when the thermal expansion.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (8)
1. The utility model provides an insulator structure for power transmission and transformation engineering which characterized in that: the connector comprises an insulator body (1) with a triangular end face, a pressing sleeve (2), a connector inner conductor (3) and a connector outer conductor (4), wherein two air holes (11) are uniformly formed in the insulator body (1);
insulator body (1) card is established fixedly on connector inner conductor (3), insulator body (1) with connector inner conductor (3) can be dismantled to be fixed press in cover (2), press cover (2) can be dismantled to be fixed in connector outer conductor (4), the outer wall of connector inner conductor (3) with the inner wall of insulator body (1) the outer wall of insulator body (1) with interference fit between the inner wall of connector outer conductor (4).
2. The insulator structure for power transmission and transformation engineering according to claim 1, wherein: the insulator body (1) comprises two insulating parts (12) which are spliced together, the two air holes (11) are respectively formed in the insulating parts (12), and the two insulating parts (12) are symmetrically arranged with the center line of the insulator body (1).
3. The insulator structure for power transmission and transformation engineering according to claim 2, wherein: the two air holes (11) are symmetrically arranged along the central line of the insulator body (1).
4. The insulator structure for power transmission and transformation engineering according to claim 1, wherein: the end faces of the two ends of the insulator body (1) along the length direction are respectively provided with an annular groove (13).
5. The insulator structure for power transmission and transformation engineering according to claim 1, wherein: the insulator body (1) is made of polyetherimide materials.
6. The insulator structure for power transmission and transformation engineering according to claim 1, wherein: the two insulator bodies (1) at the middle position and the end position of the inner conductor (3) of the connector along the length direction have the same structure.
7. The mounting method of the insulator structure for the power transmission and transformation project is characterized by comprising the following steps of: the method comprises the following steps:
s1, before the insulator body (1) is assembled, the insulator body (1) is evenly cut into two halves along the central line position by using a special tool to form two symmetrical insulating parts (12);
s2, assembling the two insulation parts (12) on the inner conductor (3) of the connector, and pressing the inner conductor (3) of the connector and the insulator body (1) into the pressing sleeve (2) by means of a special assembly tool;
and S3, finally pressing the pressing sleeve (2) into the outer conductor (4) of the connector to form the insulator structure.
8. The method for installing the insulator structure for the power transmission and transformation project according to claim 6, wherein the method comprises the following steps: in step S1, the position of the air hole (11) in the insulator body (1) is avoided when the insulator body (1) is cut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110291292.9A CN112992438B (en) | 2021-03-18 | 2021-03-18 | Insulator structure for power transmission and transformation engineering and installation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110291292.9A CN112992438B (en) | 2021-03-18 | 2021-03-18 | Insulator structure for power transmission and transformation engineering and installation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112992438A true CN112992438A (en) | 2021-06-18 |
| CN112992438B CN112992438B (en) | 2022-08-16 |
Family
ID=76334420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110291292.9A Active CN112992438B (en) | 2021-03-18 | 2021-03-18 | Insulator structure for power transmission and transformation engineering and installation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112992438B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201118014Y (en) * | 2007-08-23 | 2008-09-17 | 西安科耐特科技有限责任公司 | High-frequency precision-type connector |
| CN201393015Y (en) * | 2009-02-23 | 2010-01-27 | 维依埃龙源电工研究院有限公司 | Support structure for three-phase conducting pole |
| CN201509003U (en) * | 2009-08-17 | 2010-06-16 | 平高集团有限公司 | Bus and supporting fixed structure and locating device of central conductor |
| DE202010009598U1 (en) * | 2010-06-28 | 2010-09-09 | Rosenberger Hochfrequenztechnik Gmbh & Co. Kg | Connector with outer conductor shield |
| CN103181046A (en) * | 2010-10-18 | 2013-06-26 | 西门子公司 | Multipole gas-isolated busbar section |
| CN103794917A (en) * | 2012-10-29 | 2014-05-14 | 西安艾力特电子实业有限公司 | Fixing structure of insulating medium and inner conductor |
| CN104638327A (en) * | 2013-11-11 | 2015-05-20 | 江苏正恺电子科技有限公司 | SMA connector |
| US20160141854A1 (en) * | 2011-02-28 | 2016-05-19 | Mitsubishi Electric Corporation | Gas insulated bus |
| CN109742615A (en) * | 2019-03-14 | 2019-05-10 | 广东国昌科技有限公司 | Radio frequency (RF) coaxial connector with connector assembly |
| CN209133726U (en) * | 2018-12-07 | 2019-07-19 | 上海军友射频技术有限公司 | A kind of shortage of money millimeter wave connector |
| CN211126190U (en) * | 2020-02-20 | 2020-07-28 | 苏州诺克斯通讯科技有限公司 | N-type radio frequency coaxial connector |
| CN212392081U (en) * | 2020-06-30 | 2021-01-22 | 深圳市盛隆丰实业有限公司 | Insulator and connector |
| CN212647969U (en) * | 2020-07-17 | 2021-03-02 | 吴国莲 | Semiconductor glaze insulator connected by rotary clamping structure |
-
2021
- 2021-03-18 CN CN202110291292.9A patent/CN112992438B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201118014Y (en) * | 2007-08-23 | 2008-09-17 | 西安科耐特科技有限责任公司 | High-frequency precision-type connector |
| CN201393015Y (en) * | 2009-02-23 | 2010-01-27 | 维依埃龙源电工研究院有限公司 | Support structure for three-phase conducting pole |
| CN201509003U (en) * | 2009-08-17 | 2010-06-16 | 平高集团有限公司 | Bus and supporting fixed structure and locating device of central conductor |
| DE202010009598U1 (en) * | 2010-06-28 | 2010-09-09 | Rosenberger Hochfrequenztechnik Gmbh & Co. Kg | Connector with outer conductor shield |
| CN103181046A (en) * | 2010-10-18 | 2013-06-26 | 西门子公司 | Multipole gas-isolated busbar section |
| US20160141854A1 (en) * | 2011-02-28 | 2016-05-19 | Mitsubishi Electric Corporation | Gas insulated bus |
| CN103794917A (en) * | 2012-10-29 | 2014-05-14 | 西安艾力特电子实业有限公司 | Fixing structure of insulating medium and inner conductor |
| CN104638327A (en) * | 2013-11-11 | 2015-05-20 | 江苏正恺电子科技有限公司 | SMA connector |
| CN209133726U (en) * | 2018-12-07 | 2019-07-19 | 上海军友射频技术有限公司 | A kind of shortage of money millimeter wave connector |
| CN109742615A (en) * | 2019-03-14 | 2019-05-10 | 广东国昌科技有限公司 | Radio frequency (RF) coaxial connector with connector assembly |
| CN211126190U (en) * | 2020-02-20 | 2020-07-28 | 苏州诺克斯通讯科技有限公司 | N-type radio frequency coaxial connector |
| CN212392081U (en) * | 2020-06-30 | 2021-01-22 | 深圳市盛隆丰实业有限公司 | Insulator and connector |
| CN212647969U (en) * | 2020-07-17 | 2021-03-02 | 吴国莲 | Semiconductor glaze insulator connected by rotary clamping structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112992438B (en) | 2022-08-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112992438B (en) | Insulator structure for power transmission and transformation engineering and installation method | |
| CN106711632A (en) | Radio-frequency cable component for space navigation | |
| CN112803127B (en) | Broadband non-contact coaxial rotary joint and radar antenna | |
| CA2237746C (en) | Double-ended cantilevered beam spring contact | |
| CN208955357U (en) | A kind of TNC connector | |
| CN210890570U (en) | Vacuum heat insulation composite electromagnetic heating pipeline structure | |
| CN106329034A (en) | Fast joint for compact superconductive cyclotron's high frequency resonator coaxial waveguide | |
| US4867703A (en) | High temperature molded dielectric bead for coaxial connector | |
| CN114373572A (en) | Anti-folding device for cannon cable | |
| CN220107059U (en) | Detachable floating connector | |
| CN106450636B (en) | 3db electric bridge with coupling monitoring function | |
| Fujimura | The evolution of porcelain insulator technology in Japan | |
| CN217062468U (en) | 6 inch high power radio frequency coaxial transmission line structure | |
| CN87207224U (en) | Rf coaxial connector | |
| CN220795304U (en) | Device for connecting gas ring main unit and direct-current resistance test device | |
| CN219801436U (en) | Coaxial cable connecting assembly with high electrical connectivity | |
| CN219513739U (en) | Glass fiber reinforced plastic dry type wall bushing | |
| CN216850372U (en) | Medical copper wire flexible connection | |
| CN215933996U (en) | SMP double-female adapter capable of preventing radio frequency leakage | |
| CN214124266U (en) | Radio frequency coaxial connector with leakproofness | |
| CN220252917U (en) | Optical fiber composite overhead phase wire | |
| CN210744362U (en) | Radio frequency coaxial connector and cable assembly | |
| KR200231604Y1 (en) | Transformer for bush | |
| CN216289086U (en) | Radio frequency air-tight seal adapter | |
| CN211579070U (en) | Blind-insertion push-in type connector |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230310 Address after: 350100 No.4 factory building, No.8 Yangyu Road, sugarcane street, Minhou County, Fuzhou City, Fujian Province Patentee after: Fujian Rongcan Electric Technology Co.,Ltd. Address before: 350007 06~08 Office, 14th Floor, Building G-5, Phase II, Olympic Sunshine Garden, East Side of Panyu Road, Jianxin Town, Cangshan District, Fuzhou City, Fujian Province Patentee before: Fujian Rongcan Construction Development Co.,Ltd. |
|
| TR01 | Transfer of patent right |