CN209766235U - Double-cable current transformer - Google Patents
Double-cable current transformer Download PDFInfo
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- CN209766235U CN209766235U CN201920778495.9U CN201920778495U CN209766235U CN 209766235 U CN209766235 U CN 209766235U CN 201920778495 U CN201920778495 U CN 201920778495U CN 209766235 U CN209766235 U CN 209766235U
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Abstract
The utility model relates to the technical field of electrical equipment, in particular to a double-cable current transformer which is spliced by a first shell and a second shell, so that the current transformer can be directly completed by rotating a connecting bolt between the first shell and the second shell when being disassembled and assembled, the process is simple, the working time is short, and the practicability and the reliability are improved; the magnetic induction coil comprises a first shell, a first filler, a first iron core and a magnetic induction coil, wherein a first through hole which penetrates through the front and the back is transversely formed in the middle of the first shell, the first through hole is long-strip-shaped, the right end of the through hole is communicated with a first wire passing port, a first cavity is formed in the first shell, a first splicing port and a second splicing port are respectively communicated and arranged on the upper side and the lower side of the right end of the first cavity, the first iron core is positioned in the first cavity, the right end of the first iron core is flush with the right end of the first shell, and the first filler is filled between the inner wall of the first cavity and the outer wall of the first iron core; the iron core further comprises a second shell, a second filler and a second iron core.
Description
Technical Field
The utility model relates to an electrical equipment's technical field especially relates to a double cable current transformer.
Background
As is well known, a two-cable current transformer is an auxiliary device for current detection, which is widely used in the field of electrical equipment; the existing double-cable current transformer comprises a first shell, a first filler, a first iron core and a magnetic induction coil, wherein a strip-shaped through wire hole which penetrates through the front and the back is transversely formed in the middle of the first shell, a first cavity is formed in the first shell, the first iron core is positioned in the first cavity, the first filler is filled between the inner wall of the first cavity and the outer wall of the first iron core, the magnetic induction coil is wound on the outer wall of the first iron core, a first binding post and a second binding post are arranged on the left side of the front end of the first shell, the second binding post is positioned below the first binding post, the upper side input end of the magnetic induction coil is communicated with the first binding post through the left side of the front wall of the first cavity, and the lower side output end of the magnetic induction coil is communicated with the second; when the existing double-cable current transformer is used, firstly, an external double cable penetrates through a strip-shaped through hole of a first shell, then an external electric meter wire is connected with a first binding post and a second binding post, the external double cable is electrified, and the external electric meter collects cable current data; the existing double-cable current transformer is discovered in use, when the current transformer is disassembled and assembled, the induced cable is firstly disassembled, and then the current transformer can be replaced or maintained, so that the work is complex, the working time is long, the working efficiency is low, and the practicability and the reliability are poor.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a through first shell and second shell concatenation, make current transformer can directly accomplish through connecting bolt between rotatory first shell and the second shell when carrying out the dismouting, the process is simple, and operating time is short, improves the double cable current transformer of practicality and reliability.
The utility model discloses a double-cable current transformer, which comprises a first shell, a first filler, a first iron core and a magnetic induction coil, wherein the middle part of the first shell is transversely provided with a first through-line hole which runs through from front to back, the first through-line hole is in a strip shape, the right end of the through-line hole is communicated with a first wire passing port, a first cavity is arranged in the first shell, the upper side of the right end and the lower side of the right end of the first cavity are respectively communicated with a first splicing port and a second splicing port, the first iron core is positioned in the first cavity, the right end of the first iron core is flush with the right end of the first shell, the first filler is filled between the inner wall of the first cavity and the outer wall of the first iron core, the right end of the first filler is flush with the right end of the first shell, the magnetic induction coil is wound on the outer wall of the first iron core, the left side of the front end of the first shell is provided with a first, the upper side input end of the magnetic induction coil is communicated with the first binding post through the left side of the front wall of the first cavity, and the lower side output end of the magnetic induction coil is communicated with the second binding post through the left side of the front wall of the first cavity; still include the second shell, second filler and second iron core, the second through-hole that runs through around transversely being provided with in second shell middle part, the second through-hole is rectangular shape, the left end intercommunication in through-hole is provided with the second and crosses the line mouth, be provided with the second cavity in the second shell, the left end upside and the left end downside of second cavity communicate respectively and are provided with third piece interface and fourth piece interface, the second iron core is located the inside second cavity, the left end of second iron core and the left end parallel and level of second shell, the second filler is filled between second cavity inner wall and second filler outer wall, the left end of first filler and the left end parallel and level of first shell, first piece interface, the second piece interface, third piece interface and fourth piece interface shape are the same and surely can dock, first shell and second shell accessible bolt-up.
The utility model discloses a double-cable current transformer, which also comprises two groups of left sealing gaskets, two groups of left connecting plates and two groups of connecting bolts, wherein the two groups of left sealing gaskets are respectively positioned at the upper side and the lower side of the right end of a first shell, the upper side and the lower side of the right end of a first iron core respectively extend out to the right ends of the two groups of left sealing gaskets through the left ends of the two groups of left sealing gaskets and are flush with the right ends of the two groups of left sealing gaskets, the inner ends of the two groups of left connecting plates are respectively arranged at the right side of the top end of the first shell and the right side of the bottom end of the first shell, the middle parts of the two groups of left connecting plates are respectively provided with a first fixing hole which penetrates left and right, the two groups of connecting bolts respectively pass through the two groups of fixing holes and extend out to the outside of the right ends of the two groups of left connecting plates, the upper side and the, the top left side and the bottom left side of second shell all are provided with two sets of right connecting plates and two sets of coupling nut, and two sets of right connecting plates are provided with respectively in the middle part that two sets of second fixed orificess that run through about all pass two sets of second fixed orificess and stretch out to two sets of right connecting plates right-hand member external, and two sets of coupling nut screw installations are being overlapped on two sets of coupling bolt right sides, and two sets of coupling nut's left end is pasted tightly with the right-hand member of two sets of right connecting plates.
The utility model discloses a double cable current transformer still includes baffle and last baffle down, and the bottom left side of baffle is connected with first through line hole bottom right side down, and the bottom right side of baffle and second through line hole bottom left side are pasted tightly down, and the top left side of going up the baffle is connected with first through line hole top right side, and the top right side of going up the baffle pastes tightly with second through line hole top left side.
The utility model discloses a double-cable current transformer still includes first screw thread post, second screw thread post, first nut and second nut, and the rear end of first screw thread post is connected with the front end middle part of first terminal, and the rear end of second screw thread post is connected with the front end middle part of second terminal, and first nut screw suit cover is established on first screw thread post, and second nut screw suit cover is established on second screw thread post.
the utility model discloses a double cable current transformer still includes first protection tube and second protection tube, and first protection tube slidable suit is on first terminal, and second protection tube slidable suit is on the second terminal.
The utility model discloses a double-cable current transformer still includes left mounting panel, the right-hand member of left mounting panel and the left end fixed connection of first shell, the upside and the downside of left mounting panel all are provided with the first through-hole that runs through about.
The utility model discloses a twin cable current transformer still includes right mounting panel, the left end of right mounting panel and the right-hand member fixed connection of second shell, the upside and the downside of right mounting panel all are provided with the second through-hole of controlling running through.
The utility model discloses a double cable current transformer still includes two sets of dogs and two sets of dog bolts, and the third through-hole that runs through around the middle part of two sets of dogs all is provided with, and the front end middle part of first screw thread post and second screw thread post all is provided with the screw hole, and two sets of dog bolt rear ends are screwed through two sets of third through-holes and two sets of screw holes respectively.
Compared with the prior art, the beneficial effects of the utility model are that: the first shell is sleeved on the double cable through the first wire passing port, the double cable is positioned in the first wire passing hole, the second shell is sleeved on the double cable through the second wire passing buckle, the double cable is positioned in the second wire passing hole, the first splicing port on the first shell is butted with the third splicing port on the second shell and is fastened through a bolt, the second splicing port on the first shell is butted with the fourth splicing port on the second shell and is fastened through a bolt, thereby communicating the first through hole with the second through hole, tightly attaching the right end of the first iron core to the left end of the second iron core, sleeving the double cables in the first through hole and the second through hole, and ensuring that the induced cable does not need to be disassembled and assembled firstly when the current transformer is disassembled and assembled, the current transformer can be directly disassembled and assembled through the connecting bolt between the first shell and the second shell, the process is simple, the working time is short, and the practicability and the reliability are improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic diagram of the right-hand side view of FIG. 1;
FIG. 3 is a partially enlarged view of portion A of FIG. 1;
In the drawings, the reference numbers: 1. a first housing; 2. a first filler; 3. a first iron core; 4. a magnetic induction coil; 5. a first terminal post; 6. a second terminal; 7. a second housing; 8. a second filler; 9. a second iron core; 10. a left gasket; 11. a left connecting plate; 12. a connecting bolt; 13. a right gasket; 14. a right connecting plate; 15. a connecting nut; 16. a lower baffle plate; 17. an upper baffle plate; 18. a first threaded post; 19. a second threaded post; 20. a first nut; 21. a second nut; 22. a first protective tube; 23. a second protection tube; 24. a left mounting plate; 25. a right mounting plate; 26. a stopper; 27. and a stop block bolt.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
As shown in figures 1 to 3, the utility model relates to a double-cable current transformer, which comprises a first shell 1, a first filler 2, a first iron core 3 and a magnetic induction coil 4, wherein the middle part of the first shell 1 is transversely provided with a first through-line hole which runs through from front to back, the first through-line hole is in a strip shape, the right end of the through-line hole is communicated with and provided with a first wire passing port, a first cavity is arranged in the first shell 1, the upper side of the right end and the lower side of the right end of the first cavity are respectively communicated with and provided with a first splicing port and a second splicing port, the first iron core 3 is positioned in the first cavity, the right end of the first iron core 3 is flush with the right end of the first shell 1, the first filler 2 is filled between the inner wall of the first cavity and the outer wall of the first iron core 3, the right end of the first filler 2 is flush with the right end of the first shell 1, the magnetic induction coil 4 is wound on the outer wall of the first iron core 3, the left side, the second binding post 6 is positioned below the first binding post 5, the upper input end of the magnetic induction coil 4 is communicated with the first binding post 5 through the left side of the front wall of the first cavity, and the lower output end of the magnetic induction coil 4 is communicated with the second binding post 6 through the left side of the front wall of the first cavity; the iron core type transformer is characterized by further comprising a second shell 7, a second filler 8 and a second iron core 9, wherein a second through hole which penetrates through the front and the back is transversely formed in the middle of the second shell 7, the second through hole is long in strip shape, the left end of the through hole is communicated with a second wire passing hole, a second cavity is formed in the second shell 7, the upper side of the left end and the lower side of the left end of the second cavity are respectively communicated with a third splicing port and a fourth splicing port, the second iron core 9 is located in the second cavity, the left end of the second iron core 9 is flush with the left end of the second shell 7, the second filler 8 is filled between the inner wall of the second cavity and the outer wall of the second filler 8, the left end of the first filler 2 is flush with the left end of the first shell 1, the first splicing port, the second splicing port, the third splicing port and the fourth splicing port are identical in shape and can be butted, and the first shell 1 and the second shell 7 can be fastened through bolts; the first shell is sleeved on the double cable through the first wire passing port, the double cable is positioned in the first wire passing hole, the second shell is sleeved on the double cable through the second wire passing buckle, the double cable is positioned in the second wire passing hole, the first splicing port on the first shell is butted with the third splicing port on the second shell and is fastened through a bolt, the second splicing port on the first shell is butted with the fourth splicing port on the second shell and is fastened through a bolt, thereby communicating the first through hole with the second through hole, tightly attaching the right end of the first iron core to the left end of the second iron core, sleeving the double cables in the first through hole and the second through hole, and ensuring that the induced cable does not need to be disassembled and assembled firstly when the current transformer is disassembled and assembled, the current transformer can be directly disassembled and assembled through the connecting bolt between the first shell and the second shell, the process is simple, the working time is short, and the practicability and the reliability are improved.
The utility model discloses a double cable current transformer, still include two sets of left side seal pad 10, two sets of left connecting plate 11 and two sets of connecting bolt 12, two sets of left side seal pad 10 are located the upside and the downside of 1 right-hand member of first shell respectively, the upside and the downside of 3 right-hand members of first iron core stretch out to the right-hand member of two sets of left side seal pad 10 and with two sets of left side seal pad 10 right-hand member parallel and level respectively through the left end of two sets of left side seal pad 10, the top right side at first shell 1 and the bottom right side at first shell 1 are installed respectively to the inner of two sets of left connecting plates 11, the first fixed orifices that runs through about the middle part of two sets of left connecting plates 11 all is provided with, two sets of connecting bolt 12 pass two sets of fixed orifices respectively and stretch out to two sets of left connecting plates 11 right-hand members outsidely, the left end upside and the left end downside of second shell 7 all are provided with right side seal pad 13, the upside and the left ends of the sealing pads 13 are flush, two groups of right connecting plates 14 and two groups of connecting nuts 15 are arranged on the left side of the top end and the left side of the bottom end of the second shell 7, second fixing holes which penetrate left and right are formed in the middle of the two groups of right connecting plates 14 respectively, two groups of connecting bolts 12 penetrate through the two groups of second fixing holes and extend out of the outer sides of the right ends of the two groups of right connecting plates 14, the two groups of connecting nuts 15 are sleeved on the right sides of the two groups of connecting bolts 12 in a threaded mode, and the left ends of the two groups of connecting nuts 15 are tightly; through setting up two sets of left sealing gaskets and two sets of right sealing gaskets, make first shell and second shell kneck can seal after the equipment, improve the reliability, can make can stabilize, firm after current transformer splices through two sets of connecting bolt and two sets of coupling nut simultaneously, improve the reliability.
The utility model discloses a double-cable current transformer, which also comprises a lower baffle 16 and an upper baffle 17, wherein the left side of the bottom end of the lower baffle 16 is connected with the right side of the bottom end of a first through hole, the right side of the bottom end of the lower baffle 16 is tightly attached to the left side of the bottom end of a second through hole, the left side of the top end of the upper baffle 17 is connected with the right side of the top end of the first through hole, and the right side of the top end of the upper baffle 17 is tightly attached to the left side of the top end of the second; through setting up down baffle and last baffle, can prevent effectively that the surplus second shell of first shell from misplacing from top to bottom, improve the reliability.
The utility model discloses a twin-cable current transformer, still include first screw thread post 18, second screw thread post 19, first nut 20 and second nut 21, the rear end of first screw thread post 18 is connected with the front end middle part of first terminal 5, the rear end of second screw thread post 19 is connected with the front end middle part of second terminal 6, first nut 20 spiro union cover is established on first screw thread post 18, second nut 21 spiro union cover is established on second screw thread post 19; two sets of external wiring ends can twine respectively at first screw thread post rear side and second screw thread post rear side, screws first nut and second nut, compresses tightly two sets of external wiring ends, realizes the circuit high-speed joint, improves the practicality.
The utility model discloses a double-cable current transformer, still include first protective tube 22 and second protective tube 23, first protective tube 22 slidable suit is on first terminal 5, second protective tube 23 slidable suit is on second terminal 6; after the first nut and the second nut are screwed, the first protection tube and the second protection tube can be moved and sleeved at the joint of the wiring end, so that the joint is effectively protected, and the reliability is improved.
The utility model discloses a double-cable current transformer, which also comprises a left mounting plate 24, wherein the right end of the left mounting plate 24 is fixedly connected with the left end of the first shell 1, and the upper side and the lower side of the left mounting plate 24 are provided with first through holes which run through left and right; through two sets of first through-holes on the left mounting panel, can conveniently fix the mutual-inductor, improve the practicality.
The utility model discloses a double-cable current transformer, still include right mounting panel 25, the left end of right mounting panel 25 is fixedly connected with the right-hand member of second shell 7, the upside and the downside of right mounting panel 25 all are provided with the second through-hole that runs through from side to side; first shell and second shell are the concatenation bolted connection, through setting up right mounting panel, can make the mutual-inductor when using for a long time, and the mutual-inductor installation is more firm, improves the reliability.
The utility model discloses a double-cable current transformer, still include two sets of dog 26 and two sets of dog bolts 27, the middle part of two sets of dog 26 all is provided with the third through-hole that runs through from beginning to end, the front end middle part of first screw thread post 18 and second screw thread post 19 all is provided with the screw hole, two sets of dog bolts 27 rear ends are screwed with two sets of screw holes through two sets of third through-holes respectively; through setting up two sets of dogs, can prevent that first nut and second nut from droing, two sets of dog bolts dismantles the back simultaneously, can change first nut and second nut, improves practicality and reliability.
The utility model discloses a double-cable current transformer, it is at the during operation, at first shell is through first crossing line mouth suit on double-cable, the double-cable is located first logical line hole, the second shell is crossed the line through the second and is detained the suit on the double-cable, the double-cable is located the second through-hole inslot, with first piece together on first shell interface and the second shell third piece together the interface butt joint and pass through the bolt-up, piece together second on the first shell interface and the second shell fourth concatenation mouth butt joint and pass through the bolt-up, thereby make first through-hole and second through-hole intercommunication and the right-hand member of first iron core paste tightly can with the left end of second iron core.
The utility model discloses a double-cable current transformer, its mounting means, connected mode or set up the mode and be common mechanical system, as long as can reach all can implement of its beneficial effect.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A double-cable current transformer comprises a first shell (1), a first filler (2), a first iron core (3) and a magnetic induction coil (4), wherein a first wire through hole penetrating through the front and the back is transversely formed in the middle of the first shell (1), the first wire through hole is long-strip-shaped, the right end of the wire through hole is communicated with a first wire passing hole, a first cavity is formed in the first shell (1), the upper side and the lower side of the right end of the first cavity are respectively communicated with a first splicing port and a second splicing port, the first iron core (3) is positioned in the first cavity, the right end of the first iron core (3) is flush with the right end of the first shell (1), the first filler (2) is filled between the inner wall of the first cavity and the outer wall of the first iron core (3), the right end of the first filler (2) is flush with the right end of the first shell (1), the magnetic induction coil (4) is wound on the outer wall of the first iron core (3), a first wiring terminal (5) and a second wiring terminal (6) are arranged on the left side of the front end of the first shell (1), the second wiring terminal (6) is located below the first wiring terminal (5), the upper side input end of the magnetic induction coil (4) is communicated with the first wiring terminal (5) through the left side of the front wall of the first cavity, and the lower side output end of the magnetic induction coil (4) is communicated with the second wiring terminal (6) through the left side of the front wall of the first cavity; the iron core is characterized by further comprising a second shell (7), a second filler (8) and a second iron core (9), wherein a second through hole penetrating through the middle of the second shell (7) is transversely formed in the middle of the second shell, the second through hole is long-strip-shaped, the left end of the through hole is communicated with a second wire passing hole, a second cavity is formed in the second shell (7), the upper side and the lower side of the left end of the second cavity are respectively communicated with a third splicing port and a fourth splicing port, the second iron core (9) is positioned in the second cavity, the left end of the second iron core (9) is flush with the left end of the second shell (7), the second filler (8) is filled between the inner wall of the second cavity and the outer wall of the second filler (8), the left end of the first filler (2) is flush with the left end of the first shell (1), the first splicing port, the second splicing port, the third splicing port and the fourth splicing port are identical in shape and can be butted, the first housing (1) and the second housing (7) can be fastened by bolts.
2. The double-cable current transformer according to claim 1, further comprising two sets of left gaskets (10), two sets of left connecting plates (11) and two sets of connecting bolts (12), wherein the two sets of left gaskets (10) are respectively located at the upper side and the lower side of the right end of the first shell (1), the upper side and the lower side of the right end of the first iron core (3) respectively extend out to the right ends of the two sets of left gaskets (10) through the left ends of the two sets of left gaskets (10) and are flush with the right ends of the two sets of left gaskets (10), the inner ends of the two sets of left connecting plates (11) are respectively installed at the right side of the top end of the first shell (1) and the right side of the bottom end of the first shell (1), first fixing holes penetrating left and right are respectively arranged in the middle parts of the two sets of left connecting plates (11), the two sets of connecting bolts (12) respectively pass through the two, the left end upside and the left end downside of second shell (7) all are provided with right side sealing gasket (13), the upside and the downside of second filler (8) left end stretch out to the left end of two sets of right side sealing gasket (13) and with two sets of right side sealing gasket (13) left end parallel and level respectively through the right-hand member that two sets of right side sealing gasket (13), the top left side and the bottom left side of second shell (7) all are provided with two sets of right connecting plate (14) and two sets of coupling nut (15), two sets of coupling nut (14) are all provided with about the middle part respectively and are passed two sets of second fixed orificess and stretch out to two sets of right connecting plate (14) right-hand member external, two sets of coupling nut (15) spiral shell are being overlapped on two sets of coupling bolt (12) right sides, the left end of two sets of coupling nut (15) is pasted tightly with the right-hand member of two sets of right connecting plate (.
3. The double-cable current transformer of claim 2, further comprising a lower baffle (16) and an upper baffle (17), wherein the left side of the bottom end of the lower baffle (16) is connected with the right side of the bottom end of the first through hole, the right side of the bottom end of the lower baffle (16) is attached to the left side of the bottom end of the second through hole, the left side of the top end of the upper baffle (17) is connected with the right side of the top end of the first through hole, and the right side of the top end of the upper baffle (17) is attached to the left side of the top end of the second through hole.
4. The double-cable current transformer of claim 3, further comprising a first threaded column (18), a second threaded column (19), a first nut (20) and a second nut (21), wherein the rear end of the first threaded column (18) is connected with the middle of the front end of the first terminal (5), the rear end of the second threaded column (19) is connected with the middle of the front end of the second terminal (6), the first nut (20) is screwed and sleeved on the first threaded column (18), and the second nut (21) is screwed and sleeved on the second threaded column (19).
5. A twin-cable current transformer according to claim 4, further comprising a first protective tube (22) and a second protective tube (23), the first protective tube (22) being slidably fitted over the first terminal (5), the second protective tube (23) being slidably fitted over the second terminal (6).
6. The double-cable current transformer of claim 5, further comprising a left mounting plate (24), wherein a right end of the left mounting plate (24) is fixedly connected with a left end of the first housing (1), and both an upper side and a lower side of the left mounting plate (24) are provided with first through holes penetrating left and right.
7. the double-cable current transformer of claim 6, further comprising a right mounting plate (25), wherein a left end of the right mounting plate (25) is fixedly connected with a right end of the second housing (7), and second through holes penetrating left and right are formed on both upper and lower sides of the right mounting plate (25).
8. The twin-cable current transformer according to claim 7, further comprising two sets of stoppers (26) and two sets of stopper bolts (27), wherein the middle portions of the two sets of stoppers (26) are respectively provided with third through holes penetrating front and back, the middle portions of the front ends of the first threaded post (18) and the second threaded post (19) are respectively provided with threaded holes, and the rear ends of the two sets of stopper bolts (27) are respectively screwed with the two sets of threaded holes through the two sets of third through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920778495.9U CN209766235U (en) | 2019-05-28 | 2019-05-28 | Double-cable current transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920778495.9U CN209766235U (en) | 2019-05-28 | 2019-05-28 | Double-cable current transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209766235U true CN209766235U (en) | 2019-12-10 |
Family
ID=68761932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920778495.9U Active CN209766235U (en) | 2019-05-28 | 2019-05-28 | Double-cable current transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209766235U (en) |
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2019
- 2019-05-28 CN CN201920778495.9U patent/CN209766235U/en active Active
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Address after: 071000 Xiong Zhou Zhen Ya Gu Cheng Cun, Xiong County, Baoding City, Hebei Province Patentee after: Hebei Zhongkai Mingtai Electric Power Technology Co.,Ltd. Address before: 071000 Xiong Zhou Zhen Ya Gu Cheng Cun, Xiong County, Baoding City, Hebei Province Patentee before: HEBEI ZHONGKAIMINGTAI ELECTRIC EQUIPMENT CO.,LTD. |
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| CP01 | Change in the name or title of a patent holder |