CN107424733B - A kind of dry-type transformer protective device and its application method - Google Patents
A kind of dry-type transformer protective device and its application method Download PDFInfo
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- CN107424733B CN107424733B CN201710754321.4A CN201710754321A CN107424733B CN 107424733 B CN107424733 B CN 107424733B CN 201710754321 A CN201710754321 A CN 201710754321A CN 107424733 B CN107424733 B CN 107424733B
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- transformer
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- 230000001681 protective Effects 0.000 title claims abstract description 22
- 239000003570 air Substances 0.000 claims abstract description 23
- 239000007789 gases Substances 0.000 claims abstract description 22
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical group data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0nMS4wJyBlbmNvZGluZz0naXNvLTg4NTktMSc/Pgo8c3ZnIHZlcnNpb249JzEuMScgYmFzZVByb2ZpbGU9J2Z1bGwnCiAgICAgICAgICAgICAgeG1sbnM9J2h0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnJwogICAgICAgICAgICAgICAgICAgICAgeG1sbnM6cmRraXQ9J2h0dHA6Ly93d3cucmRraXQub3JnL3htbCcKICAgICAgICAgICAgICAgICAgICAgIHhtbG5zOnhsaW5rPSdodHRwOi8vd3d3LnczLm9yZy8xOTk5L3hsaW5rJwogICAgICAgICAgICAgICAgICB4bWw6c3BhY2U9J3ByZXNlcnZlJwp3aWR0aD0nMzAwcHgnIGhlaWdodD0nMzAwcHgnIHZpZXdCb3g9JzAgMCAzMDAgMzAwJz4KPCEtLSBFTkQgT0YgSEVBREVSIC0tPgo8cmVjdCBzdHlsZT0nb3BhY2l0eToxLjA7ZmlsbDojRkZGRkZGO3N0cm9rZTpub25lJyB3aWR0aD0nMzAwJyBoZWlnaHQ9JzMwMCcgeD0nMCcgeT0nMCc+IDwvcmVjdD4KPHRleHQgZG9taW5hbnQtYmFzZWxpbmU9ImNlbnRyYWwiIHRleHQtYW5jaG9yPSJzdGFydCIgeD0nMTI1Ljk4MScgeT0nMTU2JyBzdHlsZT0nZm9udC1zaXplOjQwcHg7Zm9udC1zdHlsZTpub3JtYWw7Zm9udC13ZWlnaHQ6bm9ybWFsO2ZpbGwtb3BhY2l0eToxO3N0cm9rZTpub25lO2ZvbnQtZmFtaWx5OnNhbnMtc2VyaWY7ZmlsbDojM0I0MTQzJyA+PHRzcGFuPkZlPC90c3Bhbj48L3RleHQ+Cjwvc3ZnPgo= data:image/svg+xml;base64,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 [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000005192 partition Methods 0.000 claims description 16
- 238000004140 cleaning Methods 0.000 claims description 14
- 239000010410 layers Substances 0.000 claims description 12
- 239000011521 glasses Substances 0.000 claims description 7
- 239000011148 porous materials Substances 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 4
- 238000010521 absorption reactions Methods 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 claims description 3
- 239000002245 particles Substances 0.000 claims description 3
- 230000001131 transforming Effects 0.000 claims description 3
- 239000007787 solids Substances 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000004642 transportation engineering Methods 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 description 6
- 230000000994 depressed Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- 238000010586 diagrams Methods 0.000 description 1
- 238000005516 engineering processes Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000463 materials Substances 0.000 description 1
- 238000000034 methods Methods 0.000 description 1
- 238000002360 preparation methods Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
- H01F27/025—Constructional details relating to cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of devices for separating particles from gases or vapours
-
- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
-
- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
-
- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/085—Cooling by ambient air
-
- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
-
- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
- H01F27/306—Fastening or mounting coils or windings on core, casing or other support
Abstract
Description
The application is title are as follows: a kind of dry-type transformer protective device, the applying date are as follows: December 12, application number in 2016 Are as follows: the divisional application of 201611136511.1 application for a patent for invention.
Technical field
The present invention relates to a kind of transformer protecting crust technical field, specifically a kind of dry-type transformer protective device and its make Use method.
Background technique
Protection equipment for transformer be integrate the multiple functions such as protection, monitoring, control, communication power automation it is high-new Technical products are the ideal electric appliance units for constituting intelligent switchboard system.Built in the product journey is protected by more than 20 a standards for one The protection library that sequence is constituted, has the function of the complete powerful acquisition (electric current to primary equipment voltage and current analog quantity and switching value Measurement is realized by protection CT).
Application No. is 201420248131.7 Chinese patents to disclose a kind of separate type protective outer cover of dry transformer, it Including frame vertical beam, left side backplate, right side backplate, upper frame, lower frame, bottom sealing plate, lamina tecti and cover door, lamina tecti one, which divides, is Two be respectively front tectal lamina, rear lamina tecti, and left side backplate is divided into two respectively front left side guard plate and rear left side guard plate, right side shield Plate is divided into two respectively front right side guard plate and rear right side backplate, upper frame is divided into two is divided into before upper frame and upper frame afterwards, Lower frame is divided into preceding lower frame and rear lower frame, and bottom sealing plate, which is divided into two, is divided into preceding bottom sealing plate and rear bottom sealing plate, preceding bottom sealing plate and Bottom sealing plate directlys adopt foundation bolt and is fixedly connected on ground afterwards.
The patent is disadvantageous in that: the separate type protective outer cover of dry transformer is designed to former and later two symmetrical portions Point, former and later two parts are fixedly connected with bolt in front and back junction, and cause dry-type transformer internal gas not circulate, and become Depressor can generate amount of heat at work, and entire transformer is placed in confined space with shield, may result in shield Interior temperature is excessively high, causes unpredictable danger；Corresponding transformation is not provided in the separate type protective outer cover of dry transformer Device pedestal, transformer lower part can accumulate certain moisture for a long time, are unfavorable for transformer work, can shorten transformer service life； The separate type protective outer cover of dry transformer is directly fixed with foundation bolt, although high reliablity in the short time, It is to need periodically to check, in order to avoid bolt looseness, spends human and material resources, after being fixed with foundation bolt, the separate type dry-type transformer Containment envelope is inconvenient to move.
Summary of the invention
The purpose of the present invention is to provide a kind of dry-type transformer protective device and its application methods, to solve above-mentioned background The problem of being proposed in technology.
To achieve the above object, the invention provides the following technical scheme:
A kind of dry-type transformer protective device, including transformer-cabinet, transformer-cabinet top are equipped with air inlet frame, transformer The dedusting axis of connection motor is equipped in cabinet, dedusting axis is equipped with cleaning brush, and cleaning brush lower part is equipped with filter layer, filter layer Lower part is equipped with partition, and the lower partition is equipped with transformer body, and transformer body includes iron core, folder and coil windings, folder packet Upper clamping piece and lower clamping piece are included, lower clamping piece two sides are equipped with blower, and transformer-cabinet lower part is equipped with pedestal, and pedestal lower part is equipped with support Seat, support base are equipped with T-type sliding slot, and T-type sliding slot lower part is equipped with roller groove, and it is sliding that base bottom is equipped with the T-type in T-type sliding slot Block, T-type sliding block lower part are equipped with the idler wheel in roller groove, and fixing axle is equipped on the left of support base, baffle, gear are housed in fixing axle Plate one end is equipped with arc-shaped slot, and transformer-cabinet two sides are equipped with fixed frame, is equipped with connecting terminal in fixed frame, and fixed frame includes the One fixed frame and the second fixed frame, connecting terminal include high-voltage connection terminal and low-voltage wiring terminal, are set on front side of transformer-cabinet There is door-plate, door-plate includes left door plate and right door plate, and door-plate lower part is equipped with air outlet.
As a further solution of the present invention: the air inlet frame inner wall is equipped with the fan driving connecting with drive motor Axis, fan drive shaft are equipped with fan blade, and partition is equipped with sieve pore.
As a further solution of the present invention: coil windings, coil windings and iron core top are coated on the outside of the iron core It is fixed with upper clamping piece by screw rod, coil windings are fixed with lower clamping piece by screw rod with mandrel lower.
As a further solution of the present invention: axis is equipped on the right side of the support base, axis is equipped with block, and first is fixed It is equipped with high-voltage connection terminal in frame, is equipped with low-voltage wiring terminal in the second fixed frame.
As a further solution of the present invention: left-hand rotation door being connected to by hinge on the right side of the left door plate, right door plate passes through hinge Chain is connected to right-hand rotation door, and right-hand rotation door is equipped with knob, and left-hand rotation door and right-hand rotation door are equipped with the sight vane equipped with transparent glass.
As a further solution of the present invention: the air outlet inner wall is equipped with bull stick, and bull stick is equipped with rotating vane.
A kind of dry-type transformer protective device described above, application method are as follows: in use, gas first is from transformer tank Air inlet frame at the top of body enters transformer-cabinet, and gas is through the cleaning brush on dedusting axis by impurity such as the particles contained in gas It removes, the gas filter layer filtering through cleaning brush lower part again enters transformer body through the sieve pore on partition, and gas is by transformation The amount of heat absorption that device generates when working becomes hot wind, and hot wind blows the rotating vane in door-plate lower air outlet, and rotating vane rotates Bar rotation, hot wind are discharged from the gap between rotating vane, and the blower work on pedestal, gas circulation further strengthens transformer-cabinet Interior heat dissipation effect guarantees that transformer works normally, when transformer needs mobile, by the baffle plate turning on support base to transformer Cabinet side, T-type sliding block and idler wheel can be skidded off out of T-slot and roller groove, the pedestal and transformer-cabinet on T-type sliding block top I.e. removable, the sight vane equipped with transparent glass that revolving door is equipped with can be checked at any time in the case where not opening revolving door, inspection When repairing transformer, it can directly open the revolving door being connected by a hinge on door-plate on front side of transformer-cabinet and enter and carefully be examined It repairs.
Compared with prior art, the beneficial effects of the present invention are: occupied area of the present invention is small, mobile convenient transportation, production At low cost, the circulation of inside transformer gas can radiate in time, effectively prevent dry-type transformer and burnt by high temperature, extend The service life of transformer checks that maintenance is convenient, and practical value is high.
Detailed description of the invention
Fig. 1 is the external left view of dry-type transformer protective device.
Fig. 2 is the inside left view of dry-type transformer protective device.
Fig. 3 is the main view of dry-type transformer protective device.
Fig. 4 is the air inlet frame schematic diagram of internal structure of dry-type transformer protective device.
In figure: 1- transformer-cabinet, 2- enter the wind frame, 3- fan drive shaft, 4- fan blade, 5- dedusting axis, 6- dedusting hair Brush, 7- filter layer, 8- partition, 9- iron core, 10- upper clamping piece, 11- lower clamping piece, 12- blower, 13- pedestal, 14- support base, 15-T Type sliding block, 16- idler wheel, 17- baffle, 18- arc-shaped slot, 19- axis, 20- block, 21- connecting terminal, the first fixed frame of 22-, The second fixed frame of 23-, 24- door-plate, 25- hinge, 26- left-hand rotation door, 27- right-hand rotation door, 28- sight vane, 29- rotating vane.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1~4, in the embodiment of the present invention, a kind of dry-type transformer protective device, including transformer-cabinet 1, become Air inlet frame 2 is equipped at the top of depressor cabinet 1, air inlet 2 inner wall of frame is equipped with the fan drive shaft 3 connecting with drive motor, and fan drives Moving axis 3 is equipped with fan blade 4, and the dedusting axis 5 of connection motor is equipped in transformer-cabinet 1, and dedusting axis 5 is equipped with cleaning brush 6,6 lower part of cleaning brush is equipped with filter layer 7, and 7 lower part of filter layer is equipped with partition 8, and partition 8 is equipped with sieve pore, and 8 lower part of partition is equipped with Transformer body, transformer body include iron core 9, folder and coil windings, and folder includes upper clamping piece 10 and lower clamping piece 11, iron core 9 outsides are coated with coil windings, coil windings and 9 top of iron core and are fixed with upper clamping piece 10, coil windings and iron core 9 by screw rod Lower part is fixed with lower clamping piece 11 by screw rod, and 11 two sides of lower clamping piece are equipped with blower 12, and 1 lower part of transformer-cabinet is equipped with pedestal 13, 13 lower part of pedestal is equipped with support base 14, and support base 14 is equipped with T-type sliding slot, and T-type sliding slot lower part is equipped with roller groove, 13 bottom of pedestal Equipped with the T-type sliding block 15 in T-type sliding slot, 15 lower part of T-type sliding block is equipped with the idler wheel 16 in roller groove, and support base 14 is left Side is equipped with fixing axle, and baffle 17 is housed in fixing axle, and 17 one end of baffle is equipped with arc-shaped slot 18, is equipped with axis on the right side of support base 14 19, axis 19 is equipped with block 20, and 1 two sides of transformer-cabinet are equipped with fixed frame, are equipped with connecting terminal 21, fixed frame in fixed frame Including the first fixed frame 22 and the second fixed frame 23, connecting terminal 21 includes high-voltage connection terminal and low-voltage wiring terminal, and first It is equipped with high-voltage connection terminal in fixed frame 22, low-voltage wiring terminal is equipped in the second fixed frame 23, is equipped on front side of transformer-cabinet 1 Door-plate 24, door-plate 24 include left door plate and right door plate, pass through hinge 25 on the right side of left door plate and are connected to left-hand rotation door 26, right door plate passes through hinge Chain is connected to right-hand rotation door 27, and right-hand rotation door 27 is equipped with knob, and left-hand rotation door 26 and right-hand rotation door 27 are equipped with the perspective equipped with transparent glass Hole 28,24 lower part of door-plate are equipped with air outlet, and air outlet inner wall is equipped with bull stick, and bull stick is equipped with rotating vane 29.
Structure of the invention is novel, stable, in the use of the present invention, first gas from transformer-cabinet 1 top into Wind frame 2 enters transformer-cabinet 1, and gas removes the impurity such as the particle contained in gas through the cleaning brush 6 on dedusting axis 5, Filter layer 7 through 6 lower part of cleaning brush filters gas again, enters transformer body through the sieve pore on partition 8, and gas is by transformer The amount of heat absorption generated when work becomes hot wind, and hot wind blows the rotating vane 29 in 24 lower air outlet of door-plate, rotating vane 29 Around bar rotation, hot wind is discharged from the gap between rotating vane 29, and the blower 12 on pedestal 13 works, and gas circulation further strengthens Heat dissipation effect in transformer-cabinet 1 guarantees that transformer works normally, can be by the gear on support base when transformer needs mobile The overturning of plate 17 to 1 side of transformer-cabinet, T-type sliding block 15 and idler wheel 16 can be skidded off out of T-slot and roller groove, T-type sliding block The pedestal 13 and transformer-cabinet 1 on 15 tops are i.e. removable, time saving and energy saving, convenient and efficient, and what revolving door was equipped with is equipped with transparent glass The sight vane 28 of glass can be checked at any time in the case where not opening revolving door, when overhauling transformer, can directly open transformer tank Pass through the revolving door that hinge 25 is connected on door-plate 24 on front side of body 1 and enter and carefully overhauled, occupied area of the present invention is small, mobile Convenient transportation, production cost is low, and the circulation of inside transformer gas can radiate in time, and it is high to effectively prevent dry-type transformer Temperature is burnt, and the service life of transformer is extended, and checks that maintenance is convenient, practical value is high.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.
Claims (4)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710754321.4A CN107424733B (en) | 2016-12-12 | 2016-12-12 | A kind of dry-type transformer protective device and its application method |
| CN201611136511.1A CN106449025B (en) | 2016-12-12 | 2016-12-12 | A kind of dry-type transformer protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710754321.4A CN107424733B (en) | 2016-12-12 | 2016-12-12 | A kind of dry-type transformer protective device and its application method |
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| Application Number | Title | Priority Date | Filing Date | |
|---|---|---|---|---|
| CN201611136511.1A Division CN106449025B (en) | 2016-12-12 | 2016-12-12 | A kind of dry-type transformer protector |
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| Publication Number | Publication Date |
|---|---|
| CN107424733A CN107424733A (en) | 2017-12-01 |
| CN107424733B true CN107424733B (en) | 2018-12-21 |
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| CN201710754321.4A CN107424733B (en) | 2016-12-12 | 2016-12-12 | A kind of dry-type transformer protective device and its application method |
| CN201611136511.1A CN106449025B (en) | 2016-12-12 | 2016-12-12 | A kind of dry-type transformer protector |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611136511.1A CN106449025B (en) | 2016-12-12 | 2016-12-12 | A kind of dry-type transformer protector |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106952716A (en) * | 2017-04-20 | 2017-07-14 | 河南基泰电气有限公司 | A kind of mounting structure of current transformer |
| CN108098343A (en) * | 2017-12-07 | 2018-06-01 | 浙江吉利汽车有限公司 | A kind of hole processing device and hole forming method |
| CN108320885A (en) * | 2018-03-16 | 2018-07-24 | 安徽金环电气设备有限责任公司 | A kind of heat radiating type transformer case and its installation method |
| CN110301789B (en) * | 2019-08-15 | 2020-10-23 | 焦作大学 | Movable display device for literary works |
| CN111489882A (en) * | 2020-04-24 | 2020-08-04 | 中变集团上海变压器有限公司 | Oil-immersed transformer convenient to installation |
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2016
- 2016-12-12 CN CN201710754321.4A patent/CN107424733B/en active IP Right Grant
- 2016-12-12 CN CN201611136511.1A patent/CN106449025B/en active IP Right Grant
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| CN202816560U (en) * | 2012-07-20 | 2013-03-20 | 北京合康亿盛变频科技股份有限公司 | Bottom air inlet type transformer cabinet |
| CN204992340U (en) * | 2015-07-07 | 2016-01-20 | 焦作市超捷科技有限公司 | Prepackage type transformer station |
| CN205508578U (en) * | 2016-03-22 | 2016-08-24 | 王高建 | Dustproof heat dissipation formula dry -type transformer device |
| CN205645437U (en) * | 2016-05-12 | 2016-10-12 | 常州市武进恒辉通信设备有限公司 | Better transformer dispels heat |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107424733A (en) | 2017-12-01 |
| CN106449025A (en) | 2017-02-22 |
| CN106449025B (en) | 2017-11-24 |
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Effective date of registration: 20181108 Address after: 211400 north mountain village, Yuetang Town, Yizheng City, Yangzhou, Jiangsu (No. 18 Yingbin Avenue, Yuetang town) Applicant after: Yangzhou Guoxin Electric Technology Co., Ltd. Address before: 215562 Yangzhong South Road 1, Yangyuan, Xinzhuang Town, Changshou City, Suzhou, Jiangsu. Applicant before: Shen Xiaohong Effective date of registration: 20181108 Address after: 211400 north mountain village, Yuetang Town, Yizheng City, Yangzhou, Jiangsu (No. 18 Yingbin Avenue, Yuetang town) Applicant after: Yangzhou Guoxin Electric Technology Co., Ltd. Address before: 215562 Yangzhong South Road 1, Yangyuan, Xinzhuang Town, Changshou City, Suzhou, Jiangsu. Applicant before: Shen Xiaohong |
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Address after: 211400 Shanbei Village, Yuetang Town, Yizheng City, Yangzhou City, Jiangsu Province (No. 18 Yingbin Avenue, Yuetang Town) Patentee after: Jiangsu Guoxin Electric Technology Co., Ltd Address before: 211400 Shanbei Village, Yuetang Town, Yizheng City, Yangzhou City, Jiangsu Province (No. 18 Yingbin Avenue, Yuetang Town) Patentee before: YANGZHOU GUOXIN ELECTRICAL TECHNOLOGY Co.,Ltd. |