CN111740316B - Automatic device of changing of block terminal sealed fuse-element - Google Patents
Automatic device of changing of block terminal sealed fuse-element Download PDFInfo
- Publication number
- CN111740316B CN111740316B CN202010663688.7A CN202010663688A CN111740316B CN 111740316 B CN111740316 B CN 111740316B CN 202010663688 A CN202010663688 A CN 202010663688A CN 111740316 B CN111740316 B CN 111740316B
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- Prior art keywords
- distribution box
- fuse
- fixedly connected
- box body
- lug
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/18—Disposition or arrangement of fuses
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/0208—Tools for inserting and removing fuses
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/22—Intermediate or auxiliary parts for carrying, holding, or retaining fuse, co-operating with base or fixed holder, and removable therefrom for renewing the fuse
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/26—Magazine arrangements
- H01H85/28—Magazine arrangements effecting automatic replacement
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/46—Boxes; Parts thereof or accessories therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/46—Boxes; Parts thereof or accessories therefor
- H02B1/48—Mounting of devices therein
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Fuses (AREA)
Abstract
The invention discloses an automatic replacing device for a sealed fuse melt of a distribution box, which comprises a distribution box body, wherein a driving box is fixedly connected to the upper surface of the distribution box body, a control panel is embedded in the upper surface of the driving box, a material discharging opening is formed in the back surface of the distribution box body, a material receiving box is fixedly connected to the back surface of the distribution box body, and through holes are formed in the left side and the right side of the distribution box body respectively. This automatic change device of block terminal sealed fuse-element, through setting up control panel, can control electric telescopic handle descends, insulating vertical pole and contact switch contact simultaneously, control electric putter rises, promote the fuse displacement that makes fuse mount pad inside damage, remove to the inside of receiving the workbin from the bin outlet, at the new fuse of the internally mounted of fuse mount pad, thereby make the device need not open the seal box, but quick replacement fuse, avoid manual operation, improve the security.
Description
Technical Field
The invention relates to the technical field of fuse replacement, in particular to an automatic replacing device for a fuse melt of a sealed fuse of a distribution box.
Background
The fuse is an electric appliance which fuses a melt by heat generated by itself to open a circuit when a current exceeds a predetermined value. The fuse melts the melt by the heat generated by the fuse after the current exceeds a specified value for a period of time, so as to cut off the circuit; a current protector is made by applying the principle. The fuse is widely applied to high and low voltage distribution systems, control systems and electric equipment, and is one of the most commonly applied protection devices as a short circuit and overcurrent protector.
When the existing sealed fuse is damaged during working, the existing sealed fuse needs to be manually replaced, usually, the fault needs to be manually checked, and then the damage of the fuse can be determined, and meanwhile, the manual work cannot be timely on the spot many times, so that the use of electronic equipment is influenced.
Disclosure of Invention
The invention aims to provide an automatic melt replacing device for a sealed fuse of a distribution box, which aims to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: an automatic replacing device for a sealed fuse melt of a distribution box comprises a distribution box body, wherein a driving box is fixedly connected to the upper surface of the distribution box body, a control panel is embedded in the upper surface of the driving box body, a discharge hole is formed in the back surface of the distribution box body, a material receiving box is fixedly connected to the back surface of the distribution box body, through holes are respectively formed in the left side and the right side of the distribution box body, rubber protective tubes are fixedly connected inside the through holes, an input line tube is fixedly connected inside the rubber protective tube on the left side surface of the distribution box body, an output line tube is fixedly connected inside the rubber protective tube on the right side surface of the distribution box body, a first wiring block is fixedly connected to one end of each input line tube and one end of each output line tube extending to the distribution box body, a fuse mounting seat is installed on the back plate of the distribution box body, and the frame structure of the fuse mounting seat, the equal fixedly connected with elasticity conducting strip of both sides inner wall of fuse mount pad, the equal fixedly connected with second terminal block in the left and right sides of fuse mount pad, the arc conducting block is installed towards the one side of first terminal block to the second terminal block, the inner wall fixedly connected with diaphragm of distribution box, the upper surface of diaphragm is pegged graft and is had the montant, the bottom fixedly connected with of montant extends to the guide block between first terminal block and the second terminal block, the inside of driving box is provided with electric telescopic handle, electric telescopic handle's expansion end extends to the inside fixedly connected with cross frame plate of distribution box.
Preferably, the distribution box body is the open-front box body structure, the front of the distribution box body is connected with the distribution box door through hinge rotation, the surface of the distribution box door is provided with a handle, the pickproof lock is installed in the front of the distribution box body, the inner bottom wall fixedly connected with rubber shock absorption block of the material receiving box, the material receiving box is of an open structure, and the side of the material receiving box is connected with an opening and closing door through hinge rotation.
Preferably, the material of first lug is copper, the backplate fixed connection of first lug and distribution box, and be provided with the insulating layer between the first lug distribution box, the quantity of first lug is two, two the equal fixedly connected with arc conducting strip of opposite face of first lug, fixedly connected with reset spring between the intrados of arc conducting strip and the first lug, arc conducting strip and first lug fixed connection, the material of arc conducting strip is copper.
Preferably, the second junction block is fixedly connected with an elastic conducting strip inside the fuse mounting seat, a spring is fixedly connected between the second junction block and the arc-shaped conducting block, and the second junction block and the first junction block are located on the same horizontal plane.
Preferably, the width of guide block equals the interval between first junction block and the second junction block, the surface cover of montant is equipped with the spring, the montant is located the one end fixed connection spacing ring of diaphragm bottom, the material of montant and spring is insulating plastic.
Preferably, the inside fixedly connected with battery of drive case, the battery respectively with electric telescopic handle and control panel coupling, the junction of electric telescopic handle output shaft and distribution box roof is provided with linear bearing.
Preferably, the lower surface fixedly connected with of horizontal frame plate supports the pole with the guide block on same perpendicular line, the bottom fixedly connected with rubber ball that supports the pole, insulating vertical pole is installed in the front of horizontal frame plate, the spacing pipe on insulating vertical pole surface is located to the cover is installed in the front of fuse mount pad.
Preferably, the fuse holder is openly installed to distribution box's backplate, the fuse holder is concave type upper shed structure, and openly installs the baffle, the bottom fixedly connected with electric putter of fuse holder, electric putter's output shaft extends to the inside fixedly connected with push pedal of fuse holder, the fuse has been placed to the top of push pedal.
Preferably, the internally mounted of distribution box has the horizontal bar, the last fixed surface of horizontal bar is connected with contact switch, contact switch respectively with electric putter, battery and control panel coupling, contact switch is located insulating vertical pole under.
Advantageous effects
The invention provides an automatic replacing device for a fuse melt of a sealed fuse of a distribution box, which has the following beneficial effects:
1. this automatic change device of block terminal sealed fuse-element, through setting up control panel, can control electric telescopic handle descends, insulating vertical pole and contact switch contact simultaneously, control electric putter rises, promote the fuse displacement that makes fuse mount pad inside damage, remove to the inside of receiving the workbin from the bin outlet, at the new fuse of the internally mounted of fuse mount pad, thereby make the device need not open the seal box, but quick replacement fuse, avoid manual operation, improve the security.
2. This automatic device of changing of block terminal sealed fuse-element through setting up the pole that supports that is located the cross slab board lower surface, can be at the in-process of changing the fuse, utilizes to support the pole to support the guide block earlier, cuts off input line and output line's power, avoids changing the fuse in-process, appears unusually to increase substantially the security, accord with operating standard.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic view of a partial front cross-sectional structure inside the power distribution box of the present invention;
FIG. 4 is a schematic front sectional view of a fuse holder within the power distribution box of the present invention;
fig. 5 is an enlarged schematic view of a portion a in fig. 3.
In the figure: 1 distribution box body, 2 drive boxes, 3 control panel, 4 bin outlets, 5 receipts workbin, 6 input spool, 7 output spool, 8 first lug, 9 fuse mount pads, 10 elasticity conducting strips, 11 second lug, 12 arc conducting blocks, 13 diaphragm, 14 montants, 15 conducting blocks, 16 electric telescopic handle, 17 horizontal frame board, 18 arc conducting strips, 19 reset spring, 20 batteries, 21 prop the pole, 22 insulating vertical pole, 23 fuse frame, 24 baffles, 25 electric putter, 26 fuses, 27 contact switch.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides an automatic device of changing of block terminal sealed fuse-element, including distribution box 1, distribution box 1's last fixed surface is connected with drive box 2, the upper surface of drive box 2 inlays and is equipped with control panel 3, bin outlet 4 has been seted up at distribution box 1's the back, distribution box 1's back fixedly connected with receipts workbin 5, distribution box 1 is front open-ended box structure, distribution box 1's front is connected with the distribution box door through hinge rotation, the surface of distribution box door is provided with the handle, the pickproof lock is installed in distribution box 1's front, the interior diapire fixedly connected with rubber shock absorber piece of receipts workbin 5, it is open structure to receive workbin 5, the side of receiving workbin 5 is connected with the door that opens and shuts through hinge rotation.
The left side and the right side of the distribution box body 1 are respectively provided with a through hole, the inside of the through hole is fixedly connected with a rubber protective pipe, the inside of the rubber protective pipe positioned on the left side surface of the distribution box body 1 is fixedly connected with an input wire pipe 6, the inside of the rubber protective pipe positioned on the right side surface of the distribution box body 1 is fixedly connected with an output wire pipe 7, one end of the input wire pipe 6 and one end of the output wire pipe 7 extending to the distribution box body 1 are both fixedly connected with a first wiring block 8, the material of the first wiring block 8 is copper, the first wiring block 8 is fixedly connected with a back plate of the distribution box body 1, an insulating layer is arranged between the distribution box bodies 1 of the first wiring block 8, the number of the first wiring blocks 8 is two, the opposite surfaces of the two first wiring blocks 8 are both fixedly connected with arc-shaped conductive sheets 18, a reset spring 19 is fixedly connected between the inner arc-shaped surface of the arc-shaped conductive sheets 18 and the first wiring block 8, the arc-shaped conductive sheets 18 are fixedly connected with the first wiring blocks 8, the arc-shaped conductive sheet 18 is made of copper.
Inner wall fixedly connected with diaphragm 13 of distribution box 1, the upper surface of diaphragm 13 is pegged graft and is had montant 14, the bottom fixedly connected with of montant 14 extends to the guide block 15 between first junction block 8 and the second junction block 11, the width of guide block 15 equals the interval between first junction block 8 and the second junction block 11, the surface cover of montant 14 is equipped with the spring, montant 14 is located the one end fixed connection spacing ring of diaphragm 13 bottom, the material of montant 14 and spring is insulating plastic.
The inside of driving box 2 is provided with electric telescopic handle 16, electric telescopic handle 16's expansion end extends to the inside fixedly connected with horizontal frame plate 17 of distribution box 1, driving box 2's inside fixedly connected with battery 20, battery 20 respectively with electric telescopic handle 16 and the coupling of control panel 3, the junction of 16 output shafts of electric telescopic handle and distribution box 1 roof is provided with linear bearing, the lower fixed surface of horizontal frame plate 17 is connected with and leads 15 the rest bar 21 on same perpendicular line, the bottom fixedly connected with rubber ball of rest bar 21, insulating vertical pole 22 is installed in the front of horizontal frame plate 17, the positive mounting of fuse mount pad 9 is overlapped the spacing pipe of locating insulating vertical pole 22 surface.
The working principle is as follows: when the current is too large in the distribution box provided with the automatic fuse melt replacing device, so that the fuse is fused, a worker operates the control panel 3 to drive the electric telescopic rod 16 to descend, the supporting rod 21 supports the guide block 15 in the descending process, the power supply of the input circuit 6 and the output circuit 7 is cut off, and the abnormality is avoided in the process of replacing the fuse 26, so that the safety is greatly improved, the operation standard is met, meanwhile, the insulating vertical rod 22 is in contact with the contact switch 27 to control the electric push rod 25 to ascend, the fuse 26 is pushed to move upwards, the damaged fuse 26 in the fuse mounting seat 9 is moved to the inside of the material receiving box 5 from the discharge port 4, a new fuse 26 is mounted in the fuse mounting seat 9, and the device can quickly replace the fuse 26 without opening the sealing box body 1, so that the manual operation is avoided, the safety is improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an automatic device of changing of block terminal sealed fuse-element, includes distribution box body (1), its characterized in that: the upper surface of the power distribution box body (1) is fixedly connected with a driving box (2), the upper surface of the driving box (2) is embedded with a control panel (3), a discharge hole (4) is formed in the back surface of the power distribution box body (1), a material receiving box (5) is fixedly connected with the back surface of the power distribution box body (1), through holes are respectively formed in the left side and the right side of the power distribution box body (1), rubber protective pipes are fixedly connected with the inner parts of the through holes, input line pipes (6) are fixedly connected with the inner parts of the rubber protective pipes positioned on the left side surface of the power distribution box body (1), output line pipes (7) are fixedly connected with the inner parts of the rubber protective pipes positioned on the right side surface of the power distribution box body (1), first wiring blocks (8) are fixedly connected with one ends of the input line pipes (6) and the output line pipes (7) extending to the power distribution box body (1), a fuse mounting seat (9) is installed on the back plate of the power distribution box body (1), the concave frame structure of the fuse mounting seat (9), elastic conducting strips (10) are fixedly connected to inner walls of two sides of the fuse mounting seat (9), second wiring blocks (11) are fixedly connected to the left side and the right side of the fuse mounting seat (9), arc-shaped conducting blocks (12) are installed on the second wiring blocks (11) towards one side of a first wiring block (8), a transverse plate (13) is fixedly connected to the inner wall of the power distribution box body (1), vertical rods (14) are inserted into the upper surface of the transverse plate (13), guide blocks (15) extending to the position between the first wiring block (8) and the second wiring block (11) are fixedly connected to the bottoms of the vertical rods (14), an electric telescopic rod (16) is arranged inside the driving box (2), and the movable end of the electric telescopic rod (16) extends to an inner fixedly connected transverse frame plate (17) of the power distribution box body (1), the lower surface of the transverse frame plate (17) is fixedly connected with a supporting rod (21) which is on the same vertical line with the guide block (15), the bottom end of the supporting rod (21) is fixedly connected with a rubber ball, the front surface of the transverse frame plate (17) is provided with an insulating vertical rod (22), and the front surface of the fuse mounting seat (9) is provided with a limiting pipe sleeved on the surface of the insulating vertical rod (22);
the internally mounted of distribution box body (1) has the horizontal bar, the last fixed surface of horizontal bar is connected with contact switch (27), contact switch (27) respectively with electric putter (25), battery (20) and control panel (3) coupling, contact switch (27) are located insulating vertical pole (22) under.
2. The automatic melt replacing device for the sealed fuse of the distribution box according to claim 1, wherein: distribution box (1) is front opening's box structure, the front of distribution box (1) is rotated through the hinge and is connected with the distribution box door, the surface of distribution box door is provided with the handle, the pickproof lock is installed in the front of distribution box (1), receive the interior diapire fixedly connected with rubber snubber block of workbin (5), receive workbin (5) for having open structure, the side of receiving workbin (5) is rotated through the hinge and is connected with the door that opens and shuts.
3. The automatic melt replacing device for the sealed fuse of the distribution box according to claim 1, wherein: the material of first lug (8) is copper, the backplate fixed connection of first lug (8) and distribution box (1), and be provided with the insulating layer between first lug (8) distribution box (1), the quantity of first lug (8) is two, two the equal fixedly connected with arc conducting strip (18) of opposite face of first lug (8), fixedly connected with reset spring (19) between the intrados of arc conducting strip (18) and first lug (8), arc conducting strip (18) and first lug (8) fixed connection, the material of arc conducting strip (18) is copper.
4. The automatic melt replacing device for the sealed fuse of the distribution box according to claim 1, wherein: second lug (11) and the inside elasticity conducting strip (10) fixed connection of fuse mount pad (9), fixedly connected with spring between second lug (11) and arc conducting strip (12), second lug (11) and first lug (8) are located same horizontal plane.
5. The automatic melt replacing device for the sealed fuse of the distribution box according to claim 1, wherein: the width of guide block (15) equals the interval between first junction block (8) and second junction block (11), the surface cover of montant (14) is equipped with the spring, montant (14) are located the one end fixed connection spacing ring of diaphragm (13) bottom, the material of montant (14) and spring is insulating plastic.
6. The automatic melt replacing device for the sealed fuse of the distribution box according to claim 1, wherein: the inside fixedly connected with battery (20) of drive case (2), battery (20) respectively with electric telescopic handle (16) and control panel (3) coupling, the junction of electric telescopic handle (16) output shaft and distribution box (1) roof is provided with linear bearing.
7. The automatic melt replacing device for the sealed fuse of the distribution box according to claim 1, wherein: fuse holder (23) are openly installed to the backplate of distribution box body (1), fuse holder (23) are concave type upper shed structure, and openly install baffle (24), the bottom fixedly connected with electric putter (25) of fuse holder (23), the output shaft of electric putter (25) extends to the inside fixedly connected with push pedal of fuse holder (23), fuse (26) have been placed to the top of push pedal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010663688.7A CN111740316B (en) | 2020-07-10 | 2020-07-10 | Automatic device of changing of block terminal sealed fuse-element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010663688.7A CN111740316B (en) | 2020-07-10 | 2020-07-10 | Automatic device of changing of block terminal sealed fuse-element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111740316A CN111740316A (en) | 2020-10-02 |
| CN111740316B true CN111740316B (en) | 2022-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010663688.7A Active CN111740316B (en) | 2020-07-10 | 2020-07-10 | Automatic device of changing of block terminal sealed fuse-element |
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| Country | Link |
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| CN (1) | CN111740316B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112928000B (en) * | 2021-01-22 | 2023-07-25 | 廊坊北熔电气股份有限公司 | High-voltage fuse with shackle structure |
| CN113054578B (en) * | 2021-03-04 | 2022-06-17 | 重庆华美电力设备有限责任公司 | Block terminal sealed fuse-element changes device |
| CN118039429A (en) * | 2024-04-12 | 2024-05-14 | 江苏骏达新能源有限公司 | Fuse for over-current protection |
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|---|---|---|---|---|
| DE19724553A1 (en) * | 1997-06-11 | 1998-12-17 | Ritz Messwandler Kg | Voltage converter for high and medium level voltages |
| CN204130913U (en) * | 2014-09-15 | 2015-01-28 | 浙江法埃斯汽车部件有限公司 | Electrical wiring cartridge |
| CN207834833U (en) * | 2018-03-06 | 2018-09-07 | 红河学院 | high voltage circuit protection device |
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| FR2499763A1 (en) * | 1981-02-09 | 1982-08-13 | Schupa Elektro Gmbh & Co Kg | Circuit breaker with replaceable cartridge fuse - which is held by spring biassed support pivoted between working position and fuse replacement position |
| CN107240537B (en) * | 2017-08-08 | 2018-11-13 | 上海电器陶瓷厂有限公司 | A kind of fuse base |
| CN207611998U (en) * | 2017-12-21 | 2018-07-13 | 东莞市东力电器设备有限公司 | A kind of AC low-tension drawer type power distributing cabinet |
| CN109036996B (en) * | 2018-08-13 | 2019-11-12 | 芜湖市凯鑫避雷器有限责任公司 | A kind of totally enclosed type outdoor high-voltage fuse |
| CN208819824U (en) * | 2018-11-02 | 2019-05-03 | 深圳市一零一电子科技有限公司 | A kind of aircraft fuse seat |
| CN109979790B (en) * | 2019-05-04 | 2020-02-18 | 深圳市众源光电有限公司 | Circuit fusing protector |
| CN110429014B (en) * | 2019-08-22 | 2021-08-17 | 江苏拓能电力设备有限公司 | Automatic replacement device of fuse for power distribution cabinet |
| CN110739609B (en) * | 2019-11-13 | 2020-12-29 | 斯普屹科技(北京)有限公司 | Automatic device of changing of block terminal sealed fuse-element |
| CN111341617B (en) * | 2020-04-21 | 2021-06-01 | 国网安徽省电力有限公司铜陵市义安区供电公司 | Block terminal sealed fuse solution changes device |
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2020
- 2020-07-10 CN CN202010663688.7A patent/CN111740316B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19724553A1 (en) * | 1997-06-11 | 1998-12-17 | Ritz Messwandler Kg | Voltage converter for high and medium level voltages |
| CN204130913U (en) * | 2014-09-15 | 2015-01-28 | 浙江法埃斯汽车部件有限公司 | Electrical wiring cartridge |
| CN207834833U (en) * | 2018-03-06 | 2018-09-07 | 红河学院 | high voltage circuit protection device |
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| CN111740316A (en) | 2020-10-02 |
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Effective date of registration: 20220119 Address after: 101100 room 159, 1f, No. 9, Guangyuan West Street, Zhangjiawan Town, Tongzhou District, Beijing Applicant after: Beijing Guoneng Guoyuan Energy Technology Co.,Ltd. Address before: Xiamen Institute of technology, No. 600, Ligong Road, Jimei District, Xiamen City, Fujian Province, 361021 Applicant before: Li Cuixia |
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