CN106711783A - Shockproof anti-seepage high-voltage switch cabinet - Google Patents
Shockproof anti-seepage high-voltage switch cabinet Download PDFInfo
- Publication number
- CN106711783A CN106711783A CN201710175787.9A CN201710175787A CN106711783A CN 106711783 A CN106711783 A CN 106711783A CN 201710175787 A CN201710175787 A CN 201710175787A CN 106711783 A CN106711783 A CN 106711783A
- Authority
- CN
- China
- Prior art keywords
- switch cabinet
- tension switch
- base
- cabinet
- rotating shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000013016 damping Methods 0.000 claims abstract description 10
- 238000004078 waterproofing Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 8
- 239000002352 surface water Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 241000272165 Charadriidae Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Classifications
-
- 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
- H02B1/30—Cabinet-type casings; 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
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
-
- 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
- H02B1/54—Anti-seismic devices or installations
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Vibration Dampers (AREA)
Abstract
The invention discloses a shockproof anti-seepage high-voltage switch cabinet, comprising a cabinet body, wherein a sliding block is arranged at the bottom end of the cabinet body and is connected with a base through a chute; a mounting base is arranged at the bottom end of the base; a hydraulic cylinder is connected inside the mounting base and is connected with a sleeve through a piston rod; the bottom end of the sleeve is connected with a supporting plate; the supporting plate is connected with a base plate through a limiting shaft; a damping spring is sleeved on the limiting shaft; the upper end of the limiting shaft is connected with a stop nut through threads; the middle part of the base plate is provided with a shaft hole; a rotating shaft is arranged in the shaft hole; two gaskets are sleeved on the rotating shaft; the rotating shaft is connected with two adjusting nuts through threads; the bottom end of the rotating shaft is connected with a wheel carrier; and the wheel carrier is connected with a moving wheel through an axle. The shockproof anti-seepage high-voltage switch cabinet disclosed by the invention is reasonable in structure; by adopting the damping structure, the vibration resistance of the switch cabinet is better, and the protection capability for working elements in the cabinet body is higher; and the hydraulic cylinder structure can lift up the cabinet body to prevent impounded surface water from entering the cabinet body so as to avoid the elements from being damaged by water.
Description
Technical field
The present invention relates to a kind of high-tension switch cabinet, specifically a kind of shockproof water-impervious high-tension switch cabinet.
Background technology
High-tension switch cabinet refers to for playing break-make, control in power system generating, transmission of electricity, distribution, electric energy conversion and consumption
Or the effect such as protection, high-tension switch cabinet by making electric equipment products of the voltage class in 3.6kV ~ 550kV, high voltage isolator and ground connection
Switch, high voltage load switch, high pressure automatic reclosing and sectionaliser, high-voltage actuating mechanism, high-voltage explosion-proof power distribution equipment and height are pressed off
Close several major classes such as cabinet.Switch cubicle has the functions such as built on stilts inlet-outlet line, cable incoming-outgoing wire, bus contact.Be primarily adapted for use in power plant,
The various different places such as transformer station, petrochemical industry, metallurgical steel rolling, industry light industry textile industry, industrial enterprise and residential quarters, skyscraper.
High-tension switch cabinet can inevitably occur shock conditions in moving process, especially in construction site or
When moving or transport on uneven road, shock conditions can be more serious, in this case the operation element in switch cubicle
Easily damage.And switch cubicle is largely used in engineering now, engineering site bad environments, and consider little for cost and duration
It is special to build power distribution room, and be mounted in simple canopy or be placed directly within outdoor, many places are done not due to sewerage
It is good, it is easy to ponding, if the ponding outside cabinet is too deep, it is easy to cause outside ponding to flow back in cabinet, so as to in cabinet
Electronic device cause damage, cause immeasurable loss.
But, the bad situation of the damping device generally existing anti-vibration effect of current switch cubicle causes switch cubicle moving
Damaging components during dynamic or transport.Current high-tension switch cabinet in surface gathered water, without regulation cabinet height function,
There is high potential safety hazard.
The content of the invention
It is an object of the invention to provide a kind of shockproof water-impervious high-tension switch cabinet, to solve to be proposed in above-mentioned background technology
Problem.
To achieve the above object, the present invention provides following technical scheme：
A kind of shockproof water-impervious high-tension switch cabinet, including cabinet, cabinet front side are provided with cover plate, and cover plate upper end is respectively equipped with two electricity
Stream display table and two voltage display tables, cover plate middle part are provided with cabinet door, and cabinet door is provided with door lock, and cabinet bottom is provided with sliding block, sliding
By chute connect base, base bottom is provided with mounting seat to block, and mounting seat inside connection liquid cylinder pressure, hydraulic cylinder is connected by piston rod
Female connector cylinder, sleeve oral area and mounting seat oral area connect waterproofing guaranteeding jacket by connector, and sleeve bottom end connection supporting plate, supporting plate leads to
Limit shaft connecting bottom board is crossed, damping spring is arranged with limit shaft, limit shaft upper end is connected through a screw thread stop nut, in base plate
Portion offers axis hole, and rotating shaft is provided with axis hole, and two panels pad is arranged with rotating shaft, and rotating shaft is connected through a screw thread two positioning spiral shells
Mother, rotating shaft bottom fifth wheel frame, wheel carrier connects movable pulley by wheel shaft, and wheel carrier side is provided with braking vane, and base center bottom sets
There is level sensor, controller is provided with inside cabinet.
As further scheme of the invention：The quantity of the sliding block is two, and two sliding blocks be arranged in parallel.
As further scheme of the invention：The quantity of the mounting seat is four, and mounting seat is located at base bottom respectively
Corner.
As further scheme of the invention：The making material of the waterproofing guaranteeding jacket is rubber.
As further scheme of the invention：The pad is located at base plate both sides.
As further scheme of the invention：The location nut is respectively positioned at the outside of pad.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention is rational in infrastructure, using this kind of shock-damping structure, can
So that the shock resistance of switch cubicle is more preferably, the protective value to operation element in cabinet is higher, and hydraulic cylinder structure can be raised
Cabinet, prevents excess surface water from entering in cabinet, it is to avoid element is met water and is damaged.
Brief description of the drawings
Fig. 1 is the structural representation of shockproof water-impervious high-tension switch cabinet.
Fig. 2 is the structural representation at A in Fig. 1.
Fig. 3 is the right view of shockproof water-impervious high-tension switch cabinet.
In figure：1- cover plates, 2- electric currents display table, 3- cabinet doors, 4- voltages display table, 5- door locks, 6- sliding blocks, 7- bases, 8-
Movable pulley, 9- connectors, 10- waterproofing guaranteeding jackets, 11- sleeves, 12- limit shafts, 13- supporting plates, 14- damping springs, 15- base plates,
16- rotating shafts, 17- wheel carriers, 18- braking vanes, 19- location nuts, 20- pads, 21- stop nuts, 22- mounting seats, 23- water levels are passed
Sensor, 24- cabinets, 25- hydraulic cylinders.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 1~3 are referred to, in the embodiment of the present invention, a kind of shockproof water-impervious high-tension switch cabinet, including cabinet 24, cabinet
24 front sides are provided with cover plate 1, and the upper end of cover plate 1 is respectively equipped with two electric current display tables 2 and two voltage display tables 4, and the middle part of cover plate 1 sets
There is cabinet door 3, cabinet door 3 is provided with door lock 5, and the bottom of cabinet 24 is provided with sliding block 6, and the quantity of sliding block 6 is two, and two sliding blocks 6 are parallel
Set, by chute connect base 7, the bottom of base 7 is provided with mounting seat 22 to sliding block 6, and the quantity of mounting seat 22 is four, mounting seat
22 respectively positioned at the corner of the bottom of base 7, and the inside connection liquid cylinder pressure 25 of mounting seat 22, hydraulic cylinder 25 passes through piston rod branch sleeve
11, the oral area of sleeve 11 and the oral area of mounting seat 22 connect waterproofing guaranteeding jacket 10, the making material of waterproofing guaranteeding jacket 10 by connector 9
Expect to be rubber, the bottom of sleeve 11 connection supporting plate 13, by the connecting bottom board 15 of limit shaft 12, the quantity of limit shaft 12 is four to supporting plate 13
Root, is arranged with damping spring 14 on limit shaft 12, the upper end of limit shaft 12 is connected through a screw thread stop nut 21, and the middle part of base plate 15 is opened
Axis hole is provided with, rotating shaft 16 is provided with axis hole, two panels pad 20 is arranged with rotating shaft 16, pad 20 is located at the both sides of base plate 15, rotating shaft
16 are connected through a screw thread two location nuts 19, and location nut 19 is respectively positioned at the outside of pad 20, the bottom fifth wheel of rotating shaft 16
Frame 17, wheel carrier 17 connects movable pulley 8 by wheel shaft, and the side of wheel carrier 17 is provided with braking vane 18, and the center bottom of base 7 is provided with water level biography
Sensor 23, controller is provided with inside cabinet 24.
Operation principle of the invention is：The present invention when in use, high-tension switch cabinet in moving process, by limit shaft 12
On damping spring 14 seismaesthesia is produced in moving process weakening high-tension switch cabinet, the work unit in cabinet 24 is prevented with this
Part is damaged because jolting vibrations.After high-tension switch cabinet is moved into job site, braking vane 18 is stepped on, limit its movement, if
In the switch cubicle course of work, bottom surface ponding, and water level rises steadily, when water level reaches the level sensor 23 of the bottom of base 7
When at position, level sensor 23 passes signal to controller, and controller control hydraulic cylinder 25 works, and hydraulic cylinder 25 passes through piston rod
Pushing sleeve cylinder 11, base 7 rises together with cabinet 24, prevents ponding from entering in cabinet 24.The present invention is rational in infrastructure, using this kind of
Shock-damping structure, can make the shock resistance of switch cubicle more preferably, and the protective value to operation element in cabinet 24 is higher, hydraulic cylinder
25 structures can raise cabinet, prevent excess surface water from entering in cabinet, it is to avoid element is met water and is damaged.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be in other specific forms realized.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires to be limited rather than described above, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as the claim involved by limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each implementation method is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Specification an as entirety, the technical scheme in each embodiment can also be formed into those skilled in the art through appropriately combined
May be appreciated other embodiment.
Claims (9)
1. a kind of shockproof water-impervious high-tension switch cabinet, including cabinet (24), it is characterised in that cabinet (24) front side is provided with cover plate
(1), cover plate (1) upper end is respectively equipped with two electric current displays table (2) and two voltages show table (4), and cover plate (1) middle part is provided with cabinet
Door (3), cabinet door (3) is provided with door lock (5), and cabinet (24) bottom is provided with sliding block (6), and sliding block (6) is by chute connect base
(7), base (7) bottom is provided with connection liquid cylinder pressure (25) inside mounting seat (22), mounting seat (22), and hydraulic cylinder (25) is by piston
Bar branch sleeve (11), sleeve (11) oral area and mounting seat (22) oral area connect waterproofing guaranteeding jacket (10) by connector (9),
Sleeve (11) bottom connects supporting plate (13), and supporting plate (13) is arranged by limit shaft (12) connecting bottom board (15), limit shaft on (12)
There is damping spring (14), limit shaft (12) upper end is connected through a screw thread stop nut (21), and base plate (15) middle part offers axis hole,
Rotating shaft (16) is provided with axis hole, two panels pad (20) is arranged with rotating shaft (16), rotating shaft (16) is connected through a screw thread two positioning
Nut (19), rotating shaft (16) bottom connects wheel carrier (17), and wheel carrier (17) connects movable pulley (8), wheel carrier (17) side by wheel shaft
Braking vane (18) is provided with, base (7) center bottom is provided with inside level sensor (23), cabinet (24) and is provided with controller.
2. shockproof water-impervious high-tension switch cabinet according to claim 1, it is characterised in that the quantity of the sliding block (6) is
Two, two sliding blocks (6) be arranged in parallel.
3. the shockproof water-impervious high-tension switch cabinet according to claim 1 or claim 2, it is characterised in that the installation
The quantity of seat (22) is four, and mounting seat (22) is respectively positioned at the corner of base (7) bottom.
4. shockproof water-impervious high-tension switch cabinet according to claim 3, it is characterised in that the waterproofing guaranteeding jacket (10)
Making material is rubber.
5. shockproof water-impervious high-tension switch cabinet according to claim 4, it is characterised in that the pad (20) is positioned at base plate
(15) both sides.
6. shockproof water-impervious high-tension switch cabinet according to claim 5, it is characterised in that the location nut (19) is respectively
Positioned at the outside of pad (20).
7. the shockproof water-impervious high-tension switch cabinet according to claim 1 or claim 2, it is characterised in that the waterproof
The making material of protective case (10) is rubber.
8. the shockproof water-impervious high-tension switch cabinet according to claim 1 or claim 2, it is characterised in that the pad
(20) positioned at base plate (15) both sides.
9. the shockproof water-impervious high-tension switch cabinet according to claim 1 or claim 2, it is characterised in that the positioning
Nut (19) is respectively positioned at the outside of pad (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710175787.9A CN106711783B (en) | 2017-03-22 | 2017-03-22 | A kind of shockproof water-impervious high-tension switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710175787.9A CN106711783B (en) | 2017-03-22 | 2017-03-22 | A kind of shockproof water-impervious high-tension switch cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106711783A true CN106711783A (en) | 2017-05-24 |
| CN106711783B CN106711783B (en) | 2018-08-10 |
Family
ID=58887294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710175787.9A Active CN106711783B (en) | 2017-03-22 | 2017-03-22 | A kind of shockproof water-impervious high-tension switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106711783B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107310893A (en) * | 2017-06-19 | 2017-11-03 | 杨煜海 | It is a kind of to place more stable equipment of railway transportation and make of unloading shelf |
| CN107528239A (en) * | 2017-09-30 | 2017-12-29 | 温州洪启信息科技有限公司 | A kind of energy-efficient moistureproof distribution box |
| CN108631179A (en) * | 2018-06-26 | 2018-10-09 | 芜湖广智天和信息技术有限公司 | A kind of system integration switch board that safety coefficient is high |
| CN108666897A (en) * | 2018-03-20 | 2018-10-16 | 南京合智电力科技有限公司 | A kind of walking mechanism convenient for power control cabinet movement |
| CN109586188A (en) * | 2018-12-14 | 2019-04-05 | 福建省三星电气股份有限公司 | A kind of switchgear for electric system |
| CN110783828A (en) * | 2019-12-09 | 2020-02-11 | 中铁十二局集团有限公司 | Railway signal shock-proof type electric power cabinet |
| CN111900645A (en) * | 2020-07-09 | 2020-11-06 | 浙江顺唐电力科技有限公司 | Portable distribution box |
| CN111987602A (en) * | 2020-08-25 | 2020-11-24 | 广东电网有限责任公司 | Switch cabinet |
| CN112310828A (en) * | 2020-11-12 | 2021-02-02 | 国网山东省电力公司泰安供电公司 | Outdoor ring main unit system for power distribution network |
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| WO2002031935A1 (en) * | 2000-10-13 | 2002-04-18 | Hendry Mechanical Works | Equipment mounting racks and cabinets |
| CN203086035U (en) * | 2013-03-08 | 2013-07-24 | 四川波特电气设备有限公司 | Mobile box-type transformer substation |
| CN205081371U (en) * | 2015-11-06 | 2016-03-09 | 国网山东郓城县供电公司 | Power equipment cabinet is with installation base |
| CN205610040U (en) * | 2016-04-21 | 2016-09-28 | 象山杰尔德智能科技有限公司 | Dampproofing portable low -voltage distribution cabinet |
| CN106025817A (en) * | 2016-07-22 | 2016-10-12 | 舒渝燕 | Outdoor intelligent waterproof and rainproof power distribution cabinet |
| CN205724513U (en) * | 2016-07-03 | 2016-11-23 | 无棣县弘业电气有限责任公司 | A kind of built-in adjustable height electric power cabinet |
| CN206611040U (en) * | 2017-03-22 | 2017-11-03 | 吴孟飞 | A kind of shockproof water-impervious high-tension switch cabinet |
-
2017
- 2017-03-22 CN CN201710175787.9A patent/CN106711783B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002031935A1 (en) * | 2000-10-13 | 2002-04-18 | Hendry Mechanical Works | Equipment mounting racks and cabinets |
| CN203086035U (en) * | 2013-03-08 | 2013-07-24 | 四川波特电气设备有限公司 | Mobile box-type transformer substation |
| CN205081371U (en) * | 2015-11-06 | 2016-03-09 | 国网山东郓城县供电公司 | Power equipment cabinet is with installation base |
| CN205610040U (en) * | 2016-04-21 | 2016-09-28 | 象山杰尔德智能科技有限公司 | Dampproofing portable low -voltage distribution cabinet |
| CN205724513U (en) * | 2016-07-03 | 2016-11-23 | 无棣县弘业电气有限责任公司 | A kind of built-in adjustable height electric power cabinet |
| CN106025817A (en) * | 2016-07-22 | 2016-10-12 | 舒渝燕 | Outdoor intelligent waterproof and rainproof power distribution cabinet |
| CN206611040U (en) * | 2017-03-22 | 2017-11-03 | 吴孟飞 | A kind of shockproof water-impervious high-tension switch cabinet |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107310893A (en) * | 2017-06-19 | 2017-11-03 | 杨煜海 | It is a kind of to place more stable equipment of railway transportation and make of unloading shelf |
| CN107528239A (en) * | 2017-09-30 | 2017-12-29 | 温州洪启信息科技有限公司 | A kind of energy-efficient moistureproof distribution box |
| CN108666897A (en) * | 2018-03-20 | 2018-10-16 | 南京合智电力科技有限公司 | A kind of walking mechanism convenient for power control cabinet movement |
| CN108631179A (en) * | 2018-06-26 | 2018-10-09 | 芜湖广智天和信息技术有限公司 | A kind of system integration switch board that safety coefficient is high |
| CN109586188A (en) * | 2018-12-14 | 2019-04-05 | 福建省三星电气股份有限公司 | A kind of switchgear for electric system |
| CN110783828A (en) * | 2019-12-09 | 2020-02-11 | 中铁十二局集团有限公司 | Railway signal shock-proof type electric power cabinet |
| CN110783828B (en) * | 2019-12-09 | 2023-07-25 | 中铁十二局集团有限公司 | Railway signal damping type electric power cabinet |
| CN111900645A (en) * | 2020-07-09 | 2020-11-06 | 浙江顺唐电力科技有限公司 | Portable distribution box |
| CN111987602A (en) * | 2020-08-25 | 2020-11-24 | 广东电网有限责任公司 | Switch cabinet |
| CN112310828A (en) * | 2020-11-12 | 2021-02-02 | 国网山东省电力公司泰安供电公司 | Outdoor ring main unit system for power distribution network |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106711783B (en) | 2018-08-10 |
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Legal Events
| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20180704 Address after: 211215 zhe Tong industrial concentration area, Lishui, Nanjing, Jiangsu Applicant after: JIANGSU HUASHIYUAN ELECTRIC POWER TECHNOLOGY Co.,Ltd. Address before: 215534 Flagstaff village, Dong Bang Town, Changshou City, Suzhou, Jiangsu (26) 12 Applicant before: Wang Shoucheng |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 210000 Zhetang Industrial Zone, Lishui, Nanjing, Jiangsu Province Patentee after: Jiangsu Huashiyuan Technology Development Co.,Ltd. Country or region after: China Address before: Lishui Zhetang Industrial Zone Nanjing city Jiangsu province 211215 Patentee before: JIANGSU HUASHIYUAN ELECTRIC POWER TECHNOLOGY Co.,Ltd. Country or region before: China |