CN213846040U - Power distribution integrated equipment - Google Patents
Power distribution integrated equipment Download PDFInfo
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- CN213846040U CN213846040U CN202022930877.4U CN202022930877U CN213846040U CN 213846040 U CN213846040 U CN 213846040U CN 202022930877 U CN202022930877 U CN 202022930877U CN 213846040 U CN213846040 U CN 213846040U
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Abstract
The utility model relates to a power equipment technical field especially discloses a distribution integrated equipment. This distribution integrated equipment includes high tension switchgear, the transformer with extend coupling assembling, high tension switchgear is used for high tension cable's on-off control, the transformer sets up in high tension switchgear's below, extend coupling assembling and be used for high tension switchgear from the last downwards to peg graft in the transformer, extend coupling assembling and include the mount pad, first extend the sleeve pipe, second extend sleeve pipe and bus connector, the high voltage input of transformer top is located to the mount pad, first extend the sleeve pipe and set up in high tension switchgear's bottom, the second extends the sleeve pipe and sets up in the mount pad, bus connector's both ends all are equipped with joint portion, two joint portions are pegged graft with first extension sleeve pipe and second extension sleeve pipe respectively, the utility model discloses a high tension switchgear and transformer quick plug-in connect, save the installation procedure, safe and reliable improves assembly efficiency.
Description
Technical Field
The utility model relates to a power equipment technical field especially relates to a distribution integrated equipment.
Background
At present, in a terminal charging system in the fields of urban street crowded road sections, relatively narrow spaces and new energy, equipment mainly adopted by a small-capacity power distribution terminal at a user side of a 12KV power system comprises a high-voltage switch cabinet and a transformer, but the high-voltage switch cabinet and the transformer are split, and the equipment is arranged in a front-back mode or a left-right mode during installation, so that the occupied area of the installation is large, the cost is high, and the installation is complicated; moreover, the line outlet end of the high-voltage switch cabinet is connected with the line inlet end of the transformer through a cable, the line inlet wiring terminal is exposed outside, the safety is poor, and certain potential safety hazards exist.
Therefore, a power distribution integrated device is needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a distribution integrated equipment, high tension control cabinet and transformer erection joint are convenient, need not to use the cable, and compact structure reduces area, uses safe and reliable.
In order to realize the purpose, the following technical scheme is provided:
a power distribution integration device, comprising:
the high-voltage switch cabinet is used for controlling the on-off of the high-voltage cable;
the transformer is arranged below the high-voltage switch cabinet;
the expansion connecting assembly is used for inserting the high-voltage switch cabinet into the transformer from top to bottom, and comprises a mounting seat, a first expansion sleeve, a second expansion sleeve and a bus connector, wherein the mounting seat is arranged at a high-voltage input end above the transformer, the first expansion sleeve is arranged at the bottom of the high-voltage switch cabinet, the second expansion sleeve is arranged on the mounting seat, clamping portions are arranged at two ends of the bus connector, and the clamping portions are respectively inserted into the first expansion sleeve and the second expansion sleeve.
As an alternative scheme of the power distribution integrated equipment, a bottom plate of the high-voltage switch cabinet is provided with three first mounting holes in a penetrating mode along the vertical direction, three second mounting holes are formed in the mounting seat and correspond to the first mounting holes in a one-to-one mode, the first expansion sleeve is installed in the first mounting holes, and the second expansion sleeve is installed in the second mounting holes.
As an alternative of the power distribution integrated equipment, the expansion connecting assembly further comprises a stud, a third mounting hole is formed in the mounting seat in the vertical direction, one end of the stud is connected with the bottom plate, and the other end of the stud is inserted into the third mounting hole.
As an alternative to the power distribution integration equipment, the stud is tapered near one end of the mounting block.
As the alternative of distribution integrated equipment, distribution integrated equipment still includes integrated power supply control cabinet, integrated power supply control cabinet locates one side of high tension switchgear, high tension switchgear's lateral wall upper portion is equipped with high-pressure inlet wire sleeve, high-pressure inlet wire sleeve intercommunication high tension switchgear with integrated power supply control cabinet, high tension cable by integrated power supply control cabinet passes high pressure inlet wire sleeve inserts high tension switchgear.
As an alternative of the power distribution integrated equipment, a first explosion-proof pressure relief device is arranged on the side wall, close to the integrated power supply control cabinet, of the high-voltage switch cabinet, and a second explosion-proof pressure relief device is arranged on the top wall of the integrated power supply control cabinet.
As an alternative to the integrated power distribution equipment, a control button is provided outside the integrated power control cabinet body, and the control button is used for controlling the operation of the internal elements of the high-voltage switch cabinet.
As an alternative of the power distribution integrated equipment, the internal elements of the high-voltage switch cabinet comprise electric switching-on and switching-off devices, the lower end of the integrated power control cabinet is provided with a battery unit, and the battery unit is electrically connected with the control button and the electric switching-on and switching-off devices respectively.
As an alternative of the power distribution integrated device, the power distribution integrated device further includes a low-voltage molded case circuit breaker cabinet, the low-voltage molded case circuit breaker cabinet is located on one side of the integrated power control cabinet, and the low-voltage molded case circuit breaker cabinet is connected with a low-voltage output end of the transformer.
As an alternative of the power distribution integrated equipment, the bottom of the cabinet body of the high-voltage switch cabinet and the top of the transformer are both provided with connecting supports.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a distribution integrated equipment adopts the extension coupling assembling to set up high tension switchgear on the transformer, reduces the installation area of high tension control cabinet, and the inside self of bus connector can be electrically conductive after pegging graft with the extension sleeve pipe, on the one hand, need not to use the cable to realize high tension switchgear and quick plug-in connection of transformer, saves the installation process, safe and reliable, improves assembly efficiency; on the other hand, the dead weight of the cabinet body is utilized, so that the splicing is firmer, and the connection safety is further improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
Fig. 1 is a right side view of a power distribution integration apparatus provided by an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
fig. 3 is an isometric view of a power distribution integration apparatus provided by an embodiment of the present invention;
fig. 4 is a left side view of a power distribution integrated device according to an embodiment of the present invention.
Reference numerals:
100. a power distribution integration device;
1. a high-voltage switch cabinet; 11. a base plate; 111. a first mounting hole; 12. a high voltage service bushing; 13. a first explosion-proof pressure relief device; 14. an electric switching device;
2. a transformer;
3. expanding the connecting assembly; 31. a mounting seat; 311. a second mounting hole; 312. a third mounting hole; 32. a first expandable casing; 33. a second expandable casing; 34. a bus connector; 341. a clamping part; 35. a stud;
4. an integrated power control cabinet; 41. a second explosion-proof pressure relief device; 42. a control button; 43. a battery cell;
5. a low voltage molded case circuit breaker cabinet; 6. connecting a bracket; 7. and (5) hanging a lug.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution of the present invention is further described below by referring to the drawings and the detailed description.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that are usually placed when the product is used, and are only for convenience of description of the present invention, and do not indicate or imply that the device or element indicated must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", and the like are used for descriptive purposes only or to distinguish between different structures or components 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 "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Details of the present embodiment are described below with reference to fig. 1 to 4.
As shown in fig. 1-2, the present embodiment discloses a power distribution integrated device 100, where the power distribution integrated device 100 includes a high-voltage switch cabinet 1, a transformer 2, and an expansion connection component 3, where the high-voltage switch cabinet 1 is used for controlling on/off of a high-voltage cable, and the transformer 2 is disposed below the high-voltage switch cabinet 1; the expansion connecting component 3 is used for inserting the high-voltage switch cabinet 1 onto the transformer 2 positioned below from top to bottom. By adopting the connection mode of up-down insertion, when the high-voltage switch cabinet 1 and the transformer 2 are integrated, the installation space can be saved; the expansion connecting assembly 3 comprises a mounting seat 31, a first expansion sleeve 32, a second expansion sleeve 33 and a bus connector 34, the mounting seat 31 is arranged at a high-voltage input end above the transformer 2, the first expansion sleeve 32 is arranged at the bottom of the high-voltage switch cabinet 1, the second expansion sleeve 33 is arranged on the mounting seat 31, clamping portions 341 are arranged at two ends of the bus connector 34, and the clamping portions 341 at the two ends are respectively plugged with the first expansion sleeve 32 and the second expansion sleeve 33. In this embodiment, the first expanding sleeve 32 and the second expanding sleeve 33 are both bowl-shaped expanding sleeves of the same type, the openings of the bowl-shaped expanding sleeves are installed outwards, the bus connector 34 is an inner cone-shaped bus connector, the inner cone-shaped bus connector can conduct electricity inside itself, the clamping portion 341 is conical, and can limit the bowl-shaped structure of the bowl-shaped expanding sleeve through the shape, so that electric leakage around the connecting portion is avoided, and the connection firmness and safety are improved. The shell of the bus connector 34 can adopt A, B, C three-phase high-voltage cables corresponding to red, green and blue, and three-phase electricity output by the high-voltage switch cabinet 1 is correspondingly connected with a high-voltage input end above the transformer 2 through the expansion connecting assembly 3, so that short circuit caused by connection errors is avoided.
In short, according to the power distribution integrated device 100 provided by the embodiment, the high-voltage switch cabinet 1 is arranged on the transformer 2, so that the installation floor area of the power distribution integrated device 100 is reduced, and the interior of the bus connector 34 can be electrically conductive after being plugged with the expansion bushing. On one hand, the high-voltage switch cabinet 1 and the transformer 2 can be connected in a quick plug-in manner without using a cable, so that the installation procedure is saved, the safety and the reliability are realized, and the assembly efficiency is improved; on the other hand, the dead weight of the cabinet body is utilized, so that the plugging is firmer, and the safety and reliability of the connection are further improved.
Further, the bottom plate 11 of the high-voltage switch cabinet 1 is provided with three first mounting holes 111 along the vertical direction in a penetrating manner, the three first mounting holes 111 are arranged at triangular intervals, the occupied area of the three first mounting holes 111 on the bottom plate 11 is effectively reduced, the mounting base 31 is provided with three second mounting holes 311, the three second mounting holes 311 correspond to the three first mounting holes 111 one to one, subsequent assembly operation is facilitated, the first expanding sleeve 32 is installed in the first mounting holes 111, and the second expanding sleeve 33 is installed in the second mounting holes 311.
Further, the expansion connection assembly 3 further comprises a stud 35, the stud 35 can assist in guiding the bus connector 34 to be clamped with the first expansion sleeve 32 and the second expansion sleeve 33, the mounting seat 31 is of a flange structure, a third mounting hole 312 is formed in the flange plate of the mounting seat 31 in a penetrating mode in the vertical direction, one end of the stud 35 in the vertical direction is connected with the bottom plate 11, and the other end of the stud 35 penetrates through the third mounting hole 312 to be connected with the mounting seat 31. The stud bolts 35 play a guiding role in the clamping connection process of the bus connector 34, so that the connection accuracy and safety can be improved; after the plugging is completed, the end, close to the mounting seat 31, of the stud 35 is connected with the mounting seat 31 by using a nut, the high-voltage switch cabinet 1 is fixed on the transformer 2, and the connection stability of the high-voltage switch cabinet 1 and the transformer 2 is further improved.
Furthermore, the end of the stud 35 close to the mounting seat 31 is tapered, so that the stud 35 can be conveniently recognized and aligned with the third mounting hole 312, and when the high-voltage switch cabinet 1 starts to plug the transformer 2 from top to bottom, the stud 35 can be conveniently and quickly inserted into the third mounting hole 312, thereby improving the plugging and mounting speed.
Further, combine fig. 1 and fig. 3, distribution integrated equipment 100 still includes integrated power control cabinet 4, integrated power control cabinet 4 sets up the one side at high tension switchgear 1, high-voltage wire inlet sleeve 12 is equipped with on the lateral wall upper portion of high tension switchgear 1, high-voltage wire inlet sleeve 12 intercommunication high tension switchgear 1 and integrated power control cabinet 4, high tension cable passes high-voltage wire inlet sleeve 12 by integrated power control cabinet 4 and inserts high tension switchgear 1, set up integrated power control cabinet 4 in the left side of high tension switchgear 1 in this embodiment, realize distribution integrated equipment 100 modularization, it is miniaturized, high tension cable gets into high tension switchgear 1 from the upper end, utilize the gravity of cable self to hang, be convenient for disperse different cables, improve the security.
Referring to fig. 3-4, further, a first explosion-proof pressure relief device 13 is disposed on a side wall of the high voltage switch cabinet 1 close to the integrated power control cabinet 4, a second explosion-proof pressure relief device 41 is disposed on an upper top wall of the integrated power control cabinet 4, the first explosion-proof pressure relief device 13 can be opened from the inside of the cabinet body of the high voltage switch cabinet 1 to the direction of the integrated power control cabinet 4, and the second explosion-proof pressure relief device 41 can be opened from the inside of the cabinet body to the outside of the cabinet body in a single direction. On one hand, when the temperature rises rapidly and the pressure rises suddenly due to a fault inside the power distribution integrated equipment 100, the explosion-proof pressure relief device can be used for relieving pressure to protect personnel safety of the surrounding cabinet body; on the other hand, the water vapor in the air is prevented from entering the distribution integrated equipment 100, corroding internal electrical elements to cause short circuit in the circuit, and causing safety accidents such as fire disasters.
As shown in fig. 3, further, the outer surface of the cabinet body of the integrated power control cabinet 4 is provided with a control button 42, and the control button 42 is used for controlling the operation of the internal components of the high voltage switch cabinet 1. So set up for need not to open integrated power switch board 4, operating personnel can control distribution integrated equipment 100 internal component, improves the security. The mounting height of the control button 42 is designed according to the average height of the operator. In other embodiments, the outer surface of the integrated power control cabinet 4 can also be provided with a voltage indicator and a current indicator for measuring voltage and current, so that the operating condition of the power distribution integrated equipment 100 can be judged conveniently by maintainers, faults can be found in advance, the maintenance efficiency is improved, and safety accidents are reduced.
Referring to fig. 3-4, further, the internal components of the high-voltage switch cabinet 1 include the electric switching-on/off device 14, the starting of the electric switching-on/off device 14 requires the power supply of the battery unit 43, the battery unit 43 is disposed at the lower end of the integrated power control cabinet 4, the cabinet space of the high-voltage switch cabinet 1 is reduced, the miniaturization of the high-voltage switch cabinet 1 is realized, meanwhile, the center of gravity of the integrated power control cabinet 4 is lowered, and the stability of the cabinet is improved; the battery unit 43 is respectively connected with the control button 42 and the driving motor in the electric switching-on/off device 14, and switching-on/off control of switching-on/off is realized through the control button 42, so that the cabinet body does not need to be opened for operation, and the safety is improved.
As shown in fig. 3, further, the power distribution integrated device 100 further includes a low-voltage molded case circuit breaker cabinet 5, the low-voltage molded case circuit breaker cabinet 5 is located on one side of the integrated power control cabinet 4, and the low-voltage molded case circuit breaker cabinet 5 is connected with the low-voltage output end of the transformer 2, so that the distance from the low-voltage output end of the transformer 2 to the copper bar of the circuit breaker can be shortened, and the cost is reduced.
With reference to fig. 3-4, further, the bottom of the cabinet body of the high-voltage switch cabinet 1 and the top of the transformer 2 are both provided with a connecting bracket 6, the connecting bracket 6 is provided with a through hole, and bolts sequentially pass through the through holes of the upper and lower connecting brackets 6, so that the connection between the upper and lower connecting brackets 6 is realized, the installation contact area is increased, and the installation reliability is improved; the upper end of the power distribution integrated equipment 100 is provided with a hanging lug 7 for hoisting the power distribution integrated equipment 100, and the quantity of the hanging lug 7 can be increased or decreased according to the weight of the power distribution integrated equipment 100.
In other embodiments, a shielding net is adhered to an inner surface of the cabinet body of the power distribution integrated device 100 to shield external electromagnetic interference signals, so that electrical components inside the cabinet operate more stably.
High tension switchgear 1, integrated power control cabinet 4 and low-voltage moulded case circuit breaker cabinet 5 also can adopt the integrated design, replaces three components of a whole body cabinet with a whole cabinet, and the internal portion of cabinet is through addding the division board, and the division board replaces the curb plate between the original cabinet body, realizes the division to functional area, reduction in production cost.
For convenience of understanding, the installation process of the power distribution integration apparatus 100 provided by the present embodiment is as follows:
1) before installation: the high-voltage switch cabinet 1, the integrated power control cabinet 4 and the low-voltage molded case circuit breaker cabinet 5 are connected by fasteners to form a whole, namely, a voltage cabinet, a connecting support 6 is fixedly connected to the bottom of the voltage cabinet, a hanging lug 7 on the upper portion of the power distribution integrated equipment 100 is hung on a hoisting machine, and one end of a bus connector 34 is inserted into an expansion sleeve of the high-voltage switch cabinet 1 or the transformer 2.
2) During installation: the whole voltage cabinet is hung to the top of the transformer 2 and slowly moves downwards, and the high-voltage switch cabinet 1 and the transformer 2 are connected stably through the insertion of the first expansion sleeve 32 and the second expansion sleeve 33 with the bus connector 34 through the matching guide of the stud 35 and the third mounting hole 312.
3) After installation: one end of the stud 35 is fixedly connected with the mounting seat 31 by a nut, and the connecting bracket 6 at the bottom of the cabinet body of the high-voltage switch cabinet 1 is fixedly connected with the connecting bracket 6 at the upper part of the transformer 2 by a bolt.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious modifications, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (10)
1. An electrical distribution integration device, comprising:
the high-voltage switch cabinet (1) is used for controlling the on-off of a high-voltage cable;
the transformer (2) is arranged below the high-voltage switch cabinet (1);
extend coupling assembling (3), be used for high tension switchgear (1) from the top down peg graft in transformer (2), extend coupling assembling (3) including mount pad (31), first extension sleeve pipe (32), second extend sleeve pipe (33) and bus connector (34), mount pad (31) are located the high voltage input of transformer (2) top, first extension sleeve pipe (32) are located the bottom of high tension switchgear (1), second extend sleeve pipe (33) are located mount pad (31), the both ends of bus connector (34) all are equipped with joint portion (341), two joint portion (341) respectively with first extension sleeve pipe (32) with second extends sleeve pipe (33) and pegs graft.
2. The power distribution integrated equipment according to claim 1, wherein three first mounting holes (111) are formed in a bottom plate (11) of the high-voltage switch cabinet (1) in a penetrating manner along a vertical direction, three second mounting holes (311) are formed in the mounting base (31), the three second mounting holes (311) correspond to the three first mounting holes (111) in a one-to-one manner, the first expanding sleeve (32) is installed in the first mounting holes (111), and the second expanding sleeve (33) is installed in the second mounting holes (311).
3. The power distribution integration equipment as claimed in claim 2, wherein the expansion connection assembly (3) further comprises a stud (35), the mounting seat (31) is provided with a third mounting hole (312) along a vertical direction, one end of the stud (35) is connected with the bottom plate (11), and the other end of the stud is inserted into the third mounting hole (312).
4. The integrated power distribution device according to claim 3, wherein the stud (35) is tapered near an end of the mounting block (31).
5. The power distribution integrated equipment according to claim 4, further comprising an integrated power control cabinet (4), wherein the integrated power control cabinet (4) is disposed on one side of the high voltage switch cabinet (1), a high voltage incoming bushing (12) is disposed on an upper portion of a sidewall of the high voltage switch cabinet (1), the high voltage incoming bushing (12) is communicated with the high voltage switch cabinet (1) and the integrated power control cabinet (4), and the high voltage cable is inserted into the high voltage switch cabinet (1) through the integrated power control cabinet (4) passing through the high voltage incoming bushing (12).
6. The power distribution integrated equipment according to claim 5, characterized in that the side wall of the high-voltage switch cabinet (1) close to the integrated power control cabinet (4) is provided with a first explosion-proof pressure relief device (13), and the top wall of the integrated power control cabinet (4) is provided with a second explosion-proof pressure relief device (41).
7. The integrated power distribution equipment according to claim 6, wherein a control button (42) is arranged outside the integrated power control cabinet (4), and the control button (42) is used for controlling the operation of the internal elements of the high-voltage switch cabinet (1).
8. The integrated power distribution equipment according to claim 7, wherein the internal components of the high-voltage switch cabinet (1) comprise an electric switching-on/off device (14), a battery unit (43) is arranged at the lower end of the integrated power control cabinet (4), and the battery unit (43) is electrically connected with the control button (42) and the electric switching-on/off device (14) respectively.
9. The integrated power distribution equipment according to claim 5, further comprising a low-voltage molded case circuit breaker cabinet (5), wherein the low-voltage molded case circuit breaker cabinet (5) is located at one side of the integrated power control cabinet (4), and the low-voltage molded case circuit breaker cabinet (5) is connected with a low-voltage output end of the transformer (2).
10. The integrated power distribution equipment according to any one of claims 1-9, wherein the bottom of the cabinet body of the high-voltage switch cabinet (1) and the top of the transformer (2) are provided with connecting brackets (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022930877.4U CN213846040U (en) | 2020-12-07 | 2020-12-07 | Power distribution integrated equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022930877.4U CN213846040U (en) | 2020-12-07 | 2020-12-07 | Power distribution integrated equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213846040U true CN213846040U (en) | 2021-07-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022930877.4U Active CN213846040U (en) | 2020-12-07 | 2020-12-07 | Power distribution integrated equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN213846040U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117577415A (en) * | 2023-10-30 | 2024-02-20 | 江苏双汇电力发展股份有限公司 | High-altitude compact wind power generation box-type transformer and parameter adjustment method |
| CN117577415B (en) * | 2023-10-30 | 2024-06-04 | 江苏双汇电力发展股份有限公司 | High-altitude compact wind power generation box-type transformer and parameter adjustment method |
-
2020
- 2020-12-07 CN CN202022930877.4U patent/CN213846040U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117577415A (en) * | 2023-10-30 | 2024-02-20 | 江苏双汇电力发展股份有限公司 | High-altitude compact wind power generation box-type transformer and parameter adjustment method |
| CN117577415B (en) * | 2023-10-30 | 2024-06-04 | 江苏双汇电力发展股份有限公司 | High-altitude compact wind power generation box-type transformer and parameter adjustment method |
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Address after: 211161 No. 2 embroidery Road, Binjiang Development Zone, Jiangning District, Nanjing, Jiangsu Patentee after: Nanjing Switchgear Co.,Ltd. Address before: 211161 No. 2 embroidery Road, Binjiang Development Zone, Jiangning District, Nanjing, Jiangsu Patentee before: NANJING SWITCHGEAR FACTORY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |