CN218567500U - Fault detection device for distribution line engineering maintenance and reconstruction - Google Patents
Fault detection device for distribution line engineering maintenance and reconstruction Download PDFInfo
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- CN218567500U CN218567500U CN202221990440.2U CN202221990440U CN218567500U CN 218567500 U CN218567500 U CN 218567500U CN 202221990440 U CN202221990440 U CN 202221990440U CN 218567500 U CN218567500 U CN 218567500U
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- 238000001514 detection method Methods 0.000 title claims abstract description 92
- 238000012423 maintenance Methods 0.000 title claims abstract description 27
- 230000007246 mechanism Effects 0.000 claims abstract description 32
- 238000009434 installation Methods 0.000 claims abstract description 17
- 230000009466 transformation Effects 0.000 claims abstract description 17
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 238000005096 rolling process Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000013024 troubleshooting Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
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Abstract
The utility model discloses a fault detection device for distribution lines engineering maintenance transformation, detect organism and external detection fixed plate including making a video recording, make a video recording and detect the organism installation and fix in the middle of the inboard of external detection fixed plate, the both ends of external detection fixed plate are provided with circuit centre gripping shell, the upper end of circuit centre gripping shell is provided with wireless power supply control panel, the inside left side of circuit centre gripping shell is provided with motor walking drive mechanism, the inside right side of circuit centre gripping shell is provided with driven roll roller, be provided with the distribution lines line source between motor walking drive mechanism and the driven roll roller, make a video recording and detect organism, motor walking drive mechanism and wireless power supply control panel and pass through connecting wire electric connection. The utility model discloses a fault detection device for among distribution lines engineering maintenance transformation has and carries out the fault detection of walking voluntarily according to the distribution lines line source to improve whole fault detection efficiency's technological effect.
Description
Technical Field
The utility model relates to a distribution lines engineering maintenance detection area especially relates to a fault detection device for among distribution lines engineering maintenance transformation.
Background
The electric power is essential basic motive power for modern construction and has important significance for national economy and people's life. In the electric power system, overhead distribution line is the main power supply mode of power supply company, compares with underground distribution line, and overhead line construction cost is low, and construction cycle is short, easy to overhaul and maintain. But because overhead distribution lines transmission distance is far away, the branch line is many, and the cable exposes in atmospheric environment for a long time simultaneously, can directly receive meteorological condition's influence, and thunder dodge, rain, wet fog and nature and industry filth etc. also can destroy or reduce overhead lines's dielectric strength and even cause the power failure accident. In distribution lines engineering maintenance transformation, in order to ensure the normal transportation of whole circuit to just need to overhaul troubleshooting, just so need use the fault detection device in the distribution lines engineering maintenance transformation.
The fault detection device in the maintenance and transformation of the existing distribution line engineering is integrally erected at the high altitude when being integrally detected, so that the whole detection time is not very convenient, the movement detection can not be effectively carried out according to the distribution line, the whole detection is troublesome when being detected, and the whole detection efficiency is not very high.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a fault detection device for distribution lines engineering maintenance transformation is in, aim at solving the fault detection device in the current distribution lines engineering maintenance transformation when whole detection, because of wholly erectting in the high altitude for whole detection time measuring is not very convenient, can not effectively carry out the technical problem who removes the detection according to distribution lines.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a fault detection device for distribution lines engineering maintenance reforms transform, detects organism and external detection fixed plate including making a video recording, make a video recording and detect the organism installation and fix in the middle of the inboard of external detection fixed plate, the both ends of external detection fixed plate are provided with the circuit centre gripping shell, the upper end of circuit centre gripping shell is provided with wireless power supply control panel, the inside left side of circuit centre gripping shell is provided with motor travel drive mechanism, the inside right side of circuit centre gripping shell is provided with driven roll roller, be provided with the distribution lines line source between motor travel drive mechanism and the driven roll roller, make a video recording and detect organism, motor travel drive mechanism and wireless power supply control panel and pass through connecting wire electric connection, just wireless power supply control panel and outside wireless device wireless connection.
Through being provided with motor walking actuating mechanism drive and rotating, motor walking actuating mechanism and driven roll roller can remove on the distribution lines line source like this, in the removal, because of the detection organism of making a video recording of circuit centre gripping shell both ends external detection fixed plate, make and be convenient for carry out fault detection to the distribution lines line source and make a video recording, and the data of making a video recording transmits outside wireless device because of wireless power supply control panel, the personnel are convenient for look over fault detection's image through outside wireless device like this, make whole fault detection while walking, thereby effectively improve holistic detection efficiency.
In a preferred scheme, the circuit centre gripping shell includes bottom lid shell, closing screw, upside concave shell and inside cover chamber, the lower extreme of upside concave shell is provided with bottom lid shell, the inside of upside concave shell and bottom lid shell is provided with inside cover chamber, upside concave shell and bottom lid shell pass through closing screw fixed connection, upside concave shell fixed connection externally detects on the fixed plate.
Through being provided with circuit centre gripping shell structure to be convenient for spacing installation fixed use.
In a preferred scheme, the external detection fixed plate comprises an installation panel, a fixed disc, an outer side supporting plate and a limit circular groove, the limit circular groove is arranged in the middle of the inner side of the installation panel, the outer side supporting plates are arranged at two ends of the installation panel, the fixed disc is arranged at the front end of the outer side supporting plate, and the fixed disc is fixedly connected to the circuit clamping shell.
The external detection fixing plate structure is arranged, so that pulling, fixing and using are facilitated.
In a preferred scheme, motor travel drive mechanism includes driving motor, shaft coupling, roller shell and bottom bearing, driving motor's output shaft outer end is provided with the shaft coupling, the outer end of shaft coupling is provided with the roller shell, the outer end of roller shell is provided with the bottom bearing, bottom bearing fixed connection is in the inside bottom of circuit centre gripping shell, driving motor fixed connection is on the top of circuit centre gripping shell.
Through being provided with motor walking actuating mechanism structure, be convenient for like this drive walking detects the use.
In a preferred scheme, the driven rolling roller comprises an external shaft rod, a limiting bearing and a middle roller body, the external shaft rod is arranged at two ends of the middle roller body, the limiting bearing is arranged on the peripheral side of the outer end of the external shaft rod, and the limiting bearing is fixedly connected to the line clamping shell.
Through being provided with driven roll roller structure for the auxiliary drive walking of being convenient for is used.
In a preferred scheme, the number of the circuit clamping shells is two, and the circuit clamping shells are symmetrically fixed on the inner sides of the front ends and the rear ends of the two external detection fixing plates.
Through being provided with circuit centre gripping shell structure for be convenient for pull through the outside fixed plate that detects.
In a preferred scheme, the distribution line source is positioned in the middle of the inner part of the line clamping shell, and two ends of the distribution line source are in a symmetrical state.
Through being provided with circuit centre gripping shell structure to be convenient for fixed distribution lines line source carries out fault detection.
By last, a fault detection device for distribution lines engineering maintenance transformation, detect organism and external detection fixed plate including making a video recording, it detects the organism installation and fixes in the middle of the inboard of external detection fixed plate to make a video recording, the both ends of external detection fixed plate are provided with the circuit centre gripping shell, the upper end of circuit centre gripping shell is provided with wireless power supply control panel, the inside left side of circuit centre gripping shell is provided with motor travel drive mechanism, the inside right side of circuit centre gripping shell is provided with driven roll roller, be provided with the distribution lines line source between motor travel drive mechanism and the driven roll roller, make a video recording and detect organism, motor travel drive mechanism and wireless power supply control panel and pass through connecting wire electric connection, just wireless power supply control panel and outside wireless device wireless connection. The utility model provides a fault detection device for among distribution lines engineering maintenance transformation has and carries out the fault detection of walking voluntarily according to the distribution lines line source to improve whole fault detection efficiency's technological effect.
Drawings
Fig. 1 is the utility model provides a side structure schematic diagram that is arranged in fault detection device of distribution lines engineering maintenance transformation.
Fig. 2 is the utility model provides a line centre gripping shell structure schematic diagram for fault detection device among distribution lines engineering maintenance transformation.
Fig. 3 is the utility model provides an external detection fixed plate structure schematic diagram that is arranged in fault detection device of distribution lines engineering maintenance transformation.
Fig. 4 is the utility model provides a motor walking drive mechanism schematic structure for distribution lines engineering maintenance transformation in fault detection device.
Fig. 5 is the utility model provides a driven roll roller schematic structure for distribution lines engineering maintenance transformation's fault detection device.
In the drawings: 1. a camera detection body; 2. a motor walking driving mechanism; 21. a drive motor; 22. a coupling; 23. a roll shaft housing; 24. a bottom bearing; 3. a wireless power supply control panel; 4. a circuit clamping shell; 41. a bottom cover shell; 42. a closing screw; 43. an upper concave shell; 44. an inner sleeve cavity; 5. an external detection fixing plate; 51. installing a panel; 52. fixing the disc; 53. an outer support plate; 54. a limiting circular groove; 6. a driven rolling roller; 61. an outer shaft; 62. a limit bearing; 63. a middle roller body; 7. a source of distribution line.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-5, a fault detection device for distribution line engineering maintenance and reconstruction, comprising a camera detection machine body 1 and an external detection fixing plate 5, wherein the camera detection machine body 1 is installed and fixed in the middle of the inner side of the external detection fixing plate 5, two ends of the external detection fixing plate 5 are provided with a line clamping shell 4, the upper end of the line clamping shell 4 is provided with a wireless power supply control panel 3, the left side inside the line clamping shell 4 is provided with a motor walking driving mechanism 2, the right side inside the line clamping shell 4 is provided with a driven rolling roller 6, a line source 7 is arranged between the motor walking driving mechanism 2 and the driven rolling roller 6, the camera detection machine body 1, the motor walking driving mechanism 2 and the wireless power supply control panel 3 are electrically connected through a connecting line, and the wireless power supply control panel 3 is wirelessly connected with external wireless equipment, the personnel fixes the line clamping shell 4 on the outer side of the line source 7 of the distribution line, so that the line source 7 of the distribution line is positioned between the motor walking driving mechanism 2 and the driven rolling roller 6, the wireless power supply control panel 3 is wirelessly connected with external wireless equipment, so that the remote control use is convenient, when the personnel walks, the wireless power supply control panel 3 supplies power to the motor walking driving mechanism 2, so that the motor walking driving mechanism 2 drives to rotate, thus the motor walking driving mechanism 2 and the driven rolling roller 6 can move on the line source 7 of the distribution line, in the moving process, the fault detection camera shooting is convenient to be carried out on the line source 7 of the distribution line due to the camera shooting detection machine body 1 of the external detection fixing plate 5 at the two ends of the line clamping shell 4, the camera shooting data is transmitted to the external wireless equipment due to the wireless power supply control panel 3, so that the personnel can conveniently check the fault detection images through the external wireless equipment, the whole body can walk and detect faults at the same time, and therefore the whole detection efficiency is effectively improved.
Referring to fig. 1 and 2, in a preferred embodiment, the circuit clamping shell 4 includes a bottom cover shell 41, a closing screw 42, an upper concave shell 43 and an inner sleeve cavity 44, the lower end of the upper concave shell 43 is provided with the bottom cover shell 41, the inner sleeve cavity 44 is provided inside the upper concave shell 43 and the bottom cover shell 41, the upper concave shell 43 and the bottom cover shell 41 are fixedly connected through the closing screw 42, the upper concave shell 43 is fixedly connected to the external detection fixing plate 5, and the upper concave shell 43 and the bottom cover shell 41 of the circuit clamping shell 4 are fixedly connected through the closing screw 42, so that when a person loosens the closing screw 42, the bottom cover shell 41 is convenient to detach, so that the sleeving connection is convenient due to the area of the inner sleeve cavity 44, and then the bottom cover shell 41 is closed, so that the circuit clamping shell cannot fall off during the movement fault detection.
Referring to fig. 1 and 3, in a preferred embodiment, the external detection fixing plate 5 includes an installation panel 51, a fixing disc 52, an outer side supporting plate 53 and a limiting circular groove 54, the limiting circular groove 54 is disposed in the middle of the inner side of the installation panel 51, the outer side supporting plate 53 is disposed at both ends of the installation panel 51, the fixing disc 52 is disposed at the front end of the outer side supporting plate 53, the fixing disc 52 is fixedly connected to the circuit clamping shell 4, the fixing disc 52 of the external detection fixing plate 5 is fixedly connected to the circuit clamping shell 4 through a screw, so that the fixing disc 52 is convenient to stably place, the outer side supporting plate 53 at the outer end of the fixing disc 52 is convenient to stably place, the installation panel 51 at the outer end of the outer side supporting plate 53 is convenient to stably place, the installation panel 51 is convenient to limit installation due to the inner side limiting circular groove 54, so that the camera detection machine body 1 is convenient to move and use for camera fault detection through the camera detection machine body 1.
Referring to fig. 1 and 4, in a preferred embodiment, the motor travel driving mechanism 2 includes a driving motor 21, a coupler 22, a roller shell 23 and a bottom bearing 24, the outer end of the output shaft of the driving motor 21 is provided with the coupler 22, the outer end of the coupler 22 is provided with the roller shell 23, the outer end of the roller shell 23 is provided with the bottom bearing 24, the bottom bearing 24 is fixedly connected to the inner bottom end of the circuit clamping shell 4, the driving motor 21 is fixedly connected to the top end of the circuit clamping shell 4, the driving motor 21 of the motor travel driving mechanism 2 is fixedly connected to the top end of the circuit clamping shell 4 through screws, so that the driving motor 21 is convenient for stable driving, the driving motor 21 drives the coupler 22 to rotate when rotating, the coupler 22 then drives the roller shell 23 to rotate, the other end of the roller shell 23 is fixed by the bottom bearing 24 when rotating, so that the whole rotation is more stable, and the bottom bearing 24 is fixedly connected to the inner bottom end of the circuit clamping shell 4, so that the circuit clamping shell 4 is convenient to install and fix due to the split.
Referring to fig. 1 and 5, in a preferred embodiment, driven roll roller 6 includes outside axostylus axostyle 61, spacing bearing 62 and middle roll body 63, the both ends of middle roll body 63 are provided with outside axostylus axostyle 61, the outer end week side of outside axostylus axostyle 61 is provided with spacing bearing 62, spacing bearing 62 fixed connection is on circuit centre gripping shell 4, spacing bearing 62 fixed connection of driven roll roller 6 is on the inside both ends of circuit centre gripping shell 4, make the split through circuit centre gripping shell 4 be convenient for fix middle roll body 63, middle roll body 63 cup joints on spacing bearing 62 because of outside axostylus axostyle 61, make middle roll body 63 be convenient for spacing roll and use, overall movement is more stable like this.
Referring to fig. 1 and 2, in a preferred embodiment, two line clamping shells 4 are provided, and the line clamping shells 4 are symmetrically fixed on the inner sides of the front and rear ends of the two external detection fixing plates 5, so that the two line clamping shells 4 are symmetrically fixed on the inner sides of the front and rear ends of the two external detection fixing plates 5, thereby effectively ensuring the stability of the whole and facilitating the moving, fixing and detecting.
Referring to fig. 1, in a preferred embodiment, the distribution line source 7 is located in the middle of the inside of the line clamping case 4, and both ends of the distribution line source 7 are in a symmetrical state, and the overall movement fault detection is more stable because both ends of the distribution line source 7 are in a symmetrical state.
The working principle is as follows: when using, the personnel fix circuit centre gripping shell 4 on the outside of distribution lines line source 7, make distribution lines line source 7 be located between motor walking actuating mechanism 2 and the driven roll roller 6, because of wireless power supply control panel 3 and external wireless device wireless connection, make the remote control of being convenient for use, during the walking, wireless power supply control panel 3 supplies power to motor walking actuating mechanism 2, make motor walking actuating mechanism 2 drive rotate, motor walking actuating mechanism 2 and driven roll roller 6 can remove on distribution lines line source 7 like this, in the removal, because of the camera detection organism 1 of circuit centre gripping shell 4 both ends external detection fixed plate 5, make be convenient for carry out fault detection to distribution lines line source 7 and make a video recording, and the data of making a video recording is in transmitting external wireless device because of wireless power supply control panel 3, personnel are convenient for looking over fault detection's image through external wireless device like this, make whole walking while fault detection, thereby effectively improve holistic detection efficiency.
The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto. The substitution may be of partial structures, devices, method steps, or may be a complete solution. According to the utility model discloses a technical scheme and utility model design and equal replacement or change all should be covered within the scope of protection of the utility model.
Claims (7)
1. The utility model provides a fault detection device for distribution lines engineering maintenance transformation, detects organism (1) and external detection fixed plate (5) including making a video recording, its characterized in that, make a video recording and detect organism (1) installation and fix in the middle of the inboard of external detection fixed plate (5), the both ends of external detection fixed plate (5) are provided with circuit centre gripping shell (4), the upper end of circuit centre gripping shell (4) is provided with wireless power supply control panel (3), the inside left side of circuit centre gripping shell (4) is provided with motor walking actuating mechanism (2), the inside right side of circuit centre gripping shell (4) is provided with driven roll roller (6), be provided with distribution lines line source (7) between motor walking actuating mechanism (2) and driven roll roller (6), make a video recording and detect organism (1), motor walking actuating mechanism (2) and wireless power supply control panel (3) and pass through connecting wire electric connection, just wireless power supply control panel (3) and external wireless device wireless connection.
2. The fault detection device for distribution line engineering maintenance reconstruction of claim 1, characterized in that the line clamping shell (4) comprises a bottom cover shell (41), a closing screw (42), an upper side concave shell (43) and an inner sleeve cavity (44), the lower end of the upper side concave shell (43) is provided with the bottom cover shell (41), the inner sleeve cavity (44) is arranged inside the upper side concave shell (43) and the bottom cover shell (41), the upper side concave shell (43) and the bottom cover shell (41) are fixedly connected through the closing screw (42), and the upper side concave shell (43) is fixedly connected on the outer detection fixing plate (5).
3. The fault detection device for distribution line engineering maintenance reconstruction of claim 1, wherein the external detection fixing plate (5) comprises an installation panel (51), a fixing disc (52), an outer side supporting plate (53) and a limiting circular groove (54), the limiting circular groove (54) is arranged in the middle of the inner side of the installation panel (51), the outer side supporting plate (53) is arranged at two ends of the installation panel (51), the fixing disc (52) is arranged at the front end of the outer side supporting plate (53), and the fixing disc (52) is fixedly connected to the line clamping shell (4).
4. The fault detection device for distribution lines engineering maintenance transformation of claim 1, characterized in that, motor walking drive mechanism (2) includes driving motor (21), shaft coupling (22), roller shell (23) and bottom bearing (24), the output shaft outer end of driving motor (21) is provided with shaft coupling (22), the outer end of shaft coupling (22) is provided with roller shell (23), the outer end of roller shell (23) is provided with bottom bearing (24), bottom bearing (24) fixed connection is in the inside bottom of circuit grip shell (4), driving motor (21) fixed connection is on the top of circuit grip shell (4).
5. The fault detection device for distribution line engineering maintenance reconstruction as claimed in claim 1, wherein the driven rolling roller (6) comprises an outer shaft rod (61), a limiting bearing (62) and a middle roller body (63), the outer shaft rod (61) is arranged at two ends of the middle roller body (63), the limiting bearing (62) is arranged on the periphery of the outer end of the outer shaft rod (61), and the limiting bearing (62) is fixedly connected to the line clamping shell (4).
6. The fault detection device for distribution line engineering maintenance reconstruction as claimed in claim 1, characterized in that the number of the line clamping shells (4) is two, and the line clamping shells (4) are symmetrically fixed on the inner sides of the front and rear ends of the two external detection fixing plates (5).
7. The fault detection device for distribution line engineering maintenance reconstruction as claimed in claim 1, characterized in that the distribution line source (7) is located in the middle of the inside of the line clamping shell (4), and the two ends of the distribution line source (7) are in a symmetrical state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221990440.2U CN218567500U (en) | 2022-07-30 | 2022-07-30 | Fault detection device for distribution line engineering maintenance and reconstruction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221990440.2U CN218567500U (en) | 2022-07-30 | 2022-07-30 | Fault detection device for distribution line engineering maintenance and reconstruction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218567500U true CN218567500U (en) | 2023-03-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221990440.2U Active CN218567500U (en) | 2022-07-30 | 2022-07-30 | Fault detection device for distribution line engineering maintenance and reconstruction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218567500U (en) |
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2022
- 2022-07-30 CN CN202221990440.2U patent/CN218567500U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240402 Address after: Room 601, Unit 2, Building 12, Zone 4, Langmaoshan Community, Shizhong District, Jinan City, Shandong Province, 250000 Patentee after: Yu Zhongfang Country or region after: China Address before: Room 511, Building 5, Guoji Guihua Town, Chongchuan District, Nantong City, Jiangsu Province, 226000 Patentee before: Jiangsu Lighting Power Engineering Co.,Ltd. Country or region before: China |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240424 Address after: Room B07, East 414, Building 10, Dongcheng Garden, No. 24 Gongye South Road, Shunhua Road Street, High tech Zone, Jinan City, Shandong Province, 250000 Patentee after: Shandong Zhengsheng Electric Power Technology Co.,Ltd. Country or region after: China Address before: Room 601, Unit 2, Building 12, Zone 4, Langmaoshan Community, Shizhong District, Jinan City, Shandong Province, 250000 Patentee before: Yu Zhongfang Country or region before: China |
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| TR01 | Transfer of patent right |