CN106451162B - Novel railway case becomes - Google Patents
Novel railway case becomes Download PDFInfo
- Publication number
- CN106451162B CN106451162B CN201610782222.2A CN201610782222A CN106451162B CN 106451162 B CN106451162 B CN 106451162B CN 201610782222 A CN201610782222 A CN 201610782222A CN 106451162 B CN106451162 B CN 106451162B
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- China
- Prior art keywords
- component
- room
- switch
- novel railway
- railway case
- 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.)
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- 238000009413 insulation Methods 0.000 claims description 7
- 229910018503 SF6 Inorganic materials 0.000 claims description 5
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 claims description 5
- 229960000909 sulfur hexafluoride Drugs 0.000 claims description 5
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 3
- 238000005286 illumination Methods 0.000 claims 1
- 230000009466 transformation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
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
- H02B7/00—Enclosed substations, e.g. compact substations
- H02B7/06—Distribution substations, e.g. for urban network
-
- 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
- H02B1/015—Boards, panels, desks; Parts thereof or accessories therefor
- H02B1/04—Mounting thereon of switches or of other devices in general, the switch or device having, or being without, casing
-
- 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
- H02B1/16—Earthing arrangements
-
- 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
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Switch Cases, Indication, And Locking (AREA)
- Patch Boards (AREA)
Abstract
The present invention provides a kind of change of novel railway case, it includes high-tension switch cabinet, transformer and low-tension switch cabinet that the novel railway case, which becomes,；Cabinet, the cabinet include the first mutually isolated Room, second Room and third room；The top of cabinet is double-layer structure；The bottom of the cabinet is equipped with access hole, and cover board is arranged on the access hole；Lighting device, the lighting device are arranged in first Room or second Room or third room, and the lighting device includes: supporting element, and the supporting element is mounted on the inside of doorframe；Switch, the switch are mounted on the supporting element, and the switch, which has, to be pushed by room door when room door is closed and close switch, makes the operating parts closed the switch when room door is opened；Headlamp, the headlamp are fixed on inner wall, and headlamp described in the switch control is lighted, closed.The present invention has many advantages, such as to have a safety feature, is small in size.
Description
Technical field
The present invention relates to switchgear, in particular to novel railway case becomes.
Background technique
Currently, the basic structure of switchgear are as follows: cabinet body, handcart, the ground connection of handcart are by fixed cabinet body.Switchgear
Interior light is poor, and especially at night, if not providing additional lighting installation, the equipment of the inside is not seen, and easily causes safe thing
Therefore.Using the switchgear of exposure in space, the insulation performance of air is bad, needs to be arranged farther distance and is just able to satisfy absolutely
Edge is mutually asked, and the volume of switchgear has been correspondingly improved.
Summary of the invention
To solve the deficiency in above-mentioned prior art, the present invention provides one kind to have a safety feature, small in size, ground connection
The good switchgear using gas barrier of performance.
The purpose of the present invention is what is be achieved through the following technical solutions:
A kind of novel railway case change, it includes high-tension switch cabinet, transformer and low-tension switch cabinet that the novel railway case, which becomes,；Institute
Stating the change of novel railway case further comprises:
Cabinet, the cabinet include the first mutually isolated Room, second Room and third room；The top of cabinet is the double-deck knot
Structure；The bottom of the cabinet is equipped with access hole, and cover board is arranged on the access hole；
Lighting device, the lighting device are arranged in first Room or second Room or third room, the lighting device
Include:
Supporting element, the supporting element are mounted on the inside of doorframe；
Switch, the switch is mounted on the supporting element, the switch have when room door is closed by room door promotion and
It closes switch, make the operating parts closed the switch when room door is opened；
Headlamp, the headlamp are fixed on inner wall, and headlamp described in the switch control is lighted, closed.
Become according to above-mentioned novel railway case, optionally, the switch further comprises:
Mounting plate, the mounting plate, which has, is suitable for the through-hole that the operating parts passes through；
First conductive part, the side of the mounting plate is arranged in first conductive part, and is electrically connected with conducting wire；
Second conductive part, second conductive part are provided through the end of the operating parts of the through-hole, and electric with conducting wire
Connection, after the operating parts is mobile in through-hole, second conductive part and the contact of the first conductive part；The end it is external
Round radius is greater than the internal diameter of the through-hole；
Elastic component, the elastic component are fixed on the operating parts in the mounting plate other side.
Become according to above-mentioned novel railway case, optionally, the novel railway case change further comprises:
Earthing or grounding means, the earthing or grounding means include:
The first component, the first component include vertical portion and horizontal component, and the vertical portion is fixed on second Room
Bottom and ground connection；
Second component, the second component include vertical portion and horizontal component, which is partially installed on institute
It states on the horizontal component of the first component；
Third member, the third member include be arranged in vertical portion above the horizontal component of the second component and
Horizontal component, the horizontal component are fixed by connector and the horizontal component of the second component, the horizontal component of the first component；
The ground line of transformer connects the horizontal component of the third member；
4th component, the 4th component include horizontal component and its two sides vertical portion, the vertical portion respectively with institute
Second component is stated to be fixedly connected with the vertical portion of third member.
Become according to above-mentioned novel railway case, optionally, the novel railway case change further comprises:
Mounting base, the mounting base are fixed on the skeleton of the bottom of second Room, and the pedestal of the transformer is fixed on institute
It states in mounting base, the ground line of the mounting base connects the vertical portion of the 4th component.
Become according to above-mentioned novel railway case, optionally, the novel railway case change further comprises:
The periphery of connector between the second component and third member is cased with separator.
Become according to above-mentioned novel railway case, optionally, the high-tension switch cabinet includes operation panel, switchgear；
Closed container, insulation gas filled in the closed container, the switchgear is arranged described closed
In container；
The operating side of linkage mechanism, the linkage mechanism is arranged on the operation panel, and linkage end connects the switch
Equipment；
Sensor, the parameter registration for the insulating gas that the sensor will test is on the operation panel.
Become according to above-mentioned novel railway case, it is preferable that the sensor includes concentration sensor, pressure sensor.
Become according to above-mentioned novel railway case, it is preferable that the insulating gas is sulfur hexafluoride.
Become according to above-mentioned novel railway case, it is preferable that the rear side of the operation panel is arranged in the closed container.
Become according to above-mentioned novel railway case, optionally, the switchgear further comprises:
Operating parts, the operation room have spanner and the matched auxiliary section in the operating side；
The side of the operation panel is arranged in fixing piece, the fixing piece, and the operating parts is stuck on the fixing piece.
Compared with prior art, the device have the advantages that are as follows:
Automatic illuminating function is set, lights headlamp when door is opened when room automatically, headlamp is closed when room door is closed, and is helped
Equipment in cabinet is clearly seen clearly in operator, prevents maloperation, reduces the probability for causing safety accident significantly；
Earthing or grounding means is set as multipart, has longer circuit, improves ground connection performance；
Switchgear is completely isolated with operation panel, goes to drive switchgear using linkage mechanism, improves security performance；
Switchgear is in insulating gas, in sulfur hexafluoride, improves insulation effect；The insulation of switchgear cabinet away from
From shorter, the volume of switchgear is reduced.
Detailed description of the invention
Referring to attached drawing, the disclosure of the present invention will become more readily understood.Skilled addressee readily understands that: this
It is only used to illustrate the technical scheme of the present invention for a little attached drawings, and is not intended to limit the scope of protection of the present invention.
In figure:
Fig. 1 is the structure diagram of according to embodiments of the present invention 1 high-tension switch cabinet；
Fig. 2 is another structure diagram of according to embodiments of the present invention 1 high-tension switch cabinet；
Fig. 3 is the structure diagram of according to embodiments of the present invention 1 earthing or grounding means；
Fig. 4 is the structure diagram of according to embodiments of the present invention 1 lighting device；
Fig. 5 is another structure diagram of according to embodiments of the present invention 1 lighting device.
Specific embodiment
Fig. 1-5 and following description describe optional embodiments of the invention to instruct how those skilled in the art implement
It is of the invention with reproducing.In order to teach the technical scheme of the invention, it has simplified or omitted some conventional aspects.Those skilled in the art
It should be understood that the variation or replacement from these embodiments will within the scope of the invention.Those skilled in the art should understand that
The following features can be combined in various ways to form multiple variations of the present invention.As a result, the invention is not limited to it is following can
Embodiment is selected, and is only limited by the claims and their equivalents.
Embodiment 1:
The novel railway case of the embodiment of the present invention becomes, and the novel railway case change includes:
Cabinet, the cabinet include the first mutually isolated Room, second Room and third room；The top of second Room is the double-deck knot
Structure, and radiator fan is provided with for radiating outward；Bottom is equipped with access hole, enters underground by access hole convenient for staff
Maintenance, cover board are arranged on the access hole, open when needing；
High-tension switch cabinet, the high-tension switch cabinet setting is indoor described first, and the high-voltage electricity of output send transformer pressure-reducing
(or the high-voltage electricity after the boosting of transformer output send high-tension switch cabinet)；As shown in Figs. 1-2, the high-tension switch cabinet includes:
Switchgear, operation panel 211, these components are the state of the art, and details are not described herein.
Closed container 251, if thick steel plate is welded, the rear side of operation panel is arranged in the closed container, interior
Portion is insulation gas filled, and such as sulfur hexafluoride, the switchgear is arranged in the closed container；
The operating side 231 of linkage mechanism 232, the linkage mechanism is arranged on the operation panel, and linkage end connects institute
State switchgear；The contact position of linkage mechanism and closed container keeps sealing；
Sensor 221,222, such as the ginseng for the insulating gas that concentration, pressure sensor, the sensor will test
Number registration is on the operation panel；
The pedestal of transformer, the transformer is fixed in mounting base, and the mounting base is fixed on the bottom of second Room
On skeleton, the low tension of transformer output send low-tension switch cabinet, and (or the low tension of low-tension switch cabinet output send transformer liter
Pressure)；
Low-tension switch cabinet, the low-tension switch cabinet are arranged in the third room；
Earthing or grounding means, as shown in figure 3, the earthing or grounding means is arranged in second Room, comprising:
The first component, the first component include vertical portion 11 and horizontal component 12, and the vertical portion is fixed on
The bottoms of two Room and ground connection；
Second component, the second component include vertical portion 21 and horizontal component 22, the part installation of the horizontal component
On the horizontal component of the first component；
Third member, the third member include the vertical portion 31 being arranged in above the horizontal component of the second component
With horizontal component 32, which passes through the horizontal component of connector 51 and the second component, the horizontal part of the first component
Divide and fix, the bottom end of conductive connector is fixed on the bottom of second Room, between the second component and third member
The periphery of connector is cased with insulator spacer 52, and cylinder-like structure such as is made using ceramic material；The ground line of transformer connects
The horizontal component of the third member；The connection of the vertical portion of the ground line connection second component and the 4th component of mounting base
Place；The horizontal component for being grounded the horizontal component, third member that connect second component of high-tension switch cabinet, low-tension switch cabinet；
4th component, the 4th component include horizontal component 41 and its two sides vertical portion 42,43, the vertical portion point
It is not fixedly connected with the vertical portion of the second component and third member, is such as connected by bolt, nut；
Lighting device, as illustrated in figures 4-5, the lighting device are arranged in first Room or second Room or third room,
Include:
Supporting element 111-112, such as L shape component, the supporting element is mounted on the inside of doorframe；
Switch, the switch is mounted on the supporting element, the switch have when room door is closed by cabinet door promotion and
It closes switch, make the operating parts closed the switch when room door is opened；The switch includes:
Mounting plate 121, the mounting plate, which has, is suitable for the through-hole that the operating parts passes through；
First conductive part 151, the side of the mounting plate is arranged in first conductive part, and is electrically connected with conducting wire；
Operating parts 131, such as " T " shape, the operating parts includes end, and the radius of the circumscribed circle of the end is greater than described
The internal diameter of through-hole；
Second conductive part 152, second conductive part are provided through the end of the operating parts of the through-hole, and and conducting wire
Electrical connection, after the operating parts is mobile in through-hole, second conductive part and the contact of the first conductive part；
Headlamp, the headlamp are fixed on the inner wall at the top of switchgear and downwardly projecting, and outside has cross one another
Security bar；Headlamp described in the switch control is lighted, is closed.
Embodiment 2:
The application examples that according to embodiments of the present invention 1 novel railway case becomes.
In the application examples, high-tension switch cabinet: insulating gas uses sulfur hexafluoride, and insulation performance is higher than air；Sensor
Using pressure sensor, concentration sensor, the pressure sensor is arranged on operation panel, and passes through pipeline and the closing
Container inside connection；Concentration sensor uses electrochemical sensor, is arranged on closed container, the concentration of output is shown in
On reading table on operation panel, which can be the number display of display, can also be the display of graduation apparatus；Operating parts
" T " shape, longer part has auxiliary section, with behaviour of the linkage mechanism on operation panel as spanner on shorter part
Make end matching；So that after auxiliary section is matched with operating side, the operation of switching devices is can be realized in rotary spanner: closure or
Separation.Fixing piece is ridden on the hook using hook, the operating parts.
Lighting device: supporting element uses L shape component, including vertical portion and horizontal component, vertical portion to be mounted on perpendicular
The inner wall of straight doorframe；Mounting plate is fixed on the horizontal component；Operating parts 31 is " T " shape, and the radius of the circumscribed circle of end is big
In the internal diameter of through-hole on mounting plate；Elastic component uses spring.
The not absolute closing of above-mentioned isolation, it is opposite, between by cable, heat release hole be connected to.
Above-mentioned novel railway case change can be not only used for boosting, such as photovoltaic plant, it can also be used to be depressured, such as railroad substation.
Claims (9)
1. a kind of novel railway case becomes, it includes high-tension switch cabinet, transformer and low-tension switch cabinet that the novel railway case, which becomes,；It is special
Sign is: the novel railway case change further comprises:
Cabinet, the cabinet include the first mutually isolated Room, second Room and third room；The top of cabinet is double-layer structure；Institute
The bottom for stating cabinet is equipped with access hole, and cover board is arranged on the access hole；
Lighting device, the lighting device are arranged in first Room or second Room or third room, and the lighting device includes:
Supporting element, the supporting element are mounted on the inside of doorframe；
Switch, the switch are mounted on the supporting element, and the switch, which has, to be pushed by room door when room door is closed and make out
Close makes switch in the operating parts being closed in closing, when room door is opened；
Headlamp, the headlamp are fixed on inner wall, and headlamp described in the switch control is lighted, closed: the switch
In when closing, the headlamp is closed, when the switch is in closure, the illumination lamp ignition；
Earthing or grounding means, the earthing or grounding means include:
The first component, the first component include vertical portion and horizontal component, and the vertical portion is fixed on the bottom of second Room
Portion is simultaneously grounded；
Second component, the second component include vertical portion and horizontal component, which is partially installed on described
On the horizontal component of one component；
Third member, the third member include the vertical portion and level being arranged in above the horizontal component of the second component
Part, the horizontal component are fixed by connector and the horizontal component of the second component, the horizontal component of the first component；Transformation
The ground line of device connects the horizontal component of the third member；
4th component, the 4th component include horizontal component and its two sides vertical portion, and the vertical portion is respectively with described
Two components are fixedly connected with the vertical portion of third member.
2. novel railway case according to claim 1 becomes, it is characterised in that: the switch further comprises:
Mounting plate, the mounting plate, which has, is suitable for the through-hole that the operating parts passes through；
First conductive part, the side of the mounting plate is arranged in first conductive part, and is electrically connected with conducting wire；
Second conductive part, second conductive part are provided through the end of the operating parts of the through-hole, and are electrically connected with conducting wire,
After the operating parts is mobile in through-hole, second conductive part and the contact of the first conductive part；The circumscribed circle of the end
Radius is greater than the internal diameter of the through-hole；
Elastic component, the elastic component are fixed on the operating parts in the mounting plate other side.
3. novel railway case according to claim 1 becomes, it is characterised in that: the novel railway case change further comprises:
Mounting base, the mounting base are fixed on the skeleton of the bottom of second Room, and the pedestal of the transformer is fixed on the peace
It fills on seat, the ground line of the mounting base connects the vertical portion of the 4th component.
4. novel railway case according to claim 1 becomes, it is characterised in that: the novel railway case change further comprises:
The periphery of connector between the second component and third member is cased with separator.
5. novel railway case according to claim 1 becomes, it is characterised in that: the high-tension switch cabinet include operation panel,
Switchgear；
Closed container, insulation gas filled in the closed container, the switchgear is arranged in the closed container
It is interior；
The operating side of linkage mechanism, the linkage mechanism is arranged on the operation panel, and linkage end connects the switchgear；
Sensor, the parameter registration for the insulating gas that the sensor will test is on the operation panel.
6. novel railway case according to claim 5 becomes, it is characterised in that: the sensor includes concentration sensor, pressure
Force snesor.
7. novel railway case according to claim 5 becomes, it is characterised in that: the insulating gas is sulfur hexafluoride.
8. novel railway case according to claim 5 becomes, it is characterised in that: the closed container is arranged in the operation
The rear side of panel.
9. novel railway case according to claim 5 becomes, it is characterised in that: the switchgear further comprises:
Operating parts, the operation room have spanner and the matched auxiliary section in the operating side；
The side of the operation panel is arranged in fixing piece, the fixing piece, and the operating parts is stuck on the fixing piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610782222.2A CN106451162B (en) | 2016-08-31 | 2016-08-31 | Novel railway case becomes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610782222.2A CN106451162B (en) | 2016-08-31 | 2016-08-31 | Novel railway case becomes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106451162A CN106451162A (en) | 2017-02-22 |
| CN106451162B true CN106451162B (en) | 2019-10-15 |
Family
ID=58091150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610782222.2A Active CN106451162B (en) | 2016-08-31 | 2016-08-31 | Novel railway case becomes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106451162B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002075757A1 (en) * | 2001-03-21 | 2002-09-26 | Societe Nouvelle Transfix Toulon | Upgradable transformation station for looped networks |
| CN103683068A (en) * | 2013-12-11 | 2014-03-26 | 上海置信电气非晶有限公司 | Box-type transformer substation special for wind power plant |
| CN103714652A (en) * | 2013-11-11 | 2014-04-09 | 国家电网公司 | High voltage switch cabinet door abnormal opening alarm device |
| CN204517243U (en) * | 2015-04-28 | 2015-07-29 | 山东泰山电工电器有限公司 | One does not wait holds railway power telecontrol cubicle-type substation |
| CN204885734U (en) * | 2015-06-30 | 2015-12-16 | 枣庄市航宇电力电器设备制造有限公司 | Box -type substation box body ground connection protection device |
| CN105390952A (en) * | 2015-11-23 | 2016-03-09 | 芜湖金牛电气股份有限公司 | Switch cabinet |
| CN206225856U (en) * | 2016-08-31 | 2017-06-06 | 芜湖金牛电气股份有限公司 | Novel railway case becomes |
-
2016
- 2016-08-31 CN CN201610782222.2A patent/CN106451162B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002075757A1 (en) * | 2001-03-21 | 2002-09-26 | Societe Nouvelle Transfix Toulon | Upgradable transformation station for looped networks |
| CN103714652A (en) * | 2013-11-11 | 2014-04-09 | 国家电网公司 | High voltage switch cabinet door abnormal opening alarm device |
| CN103683068A (en) * | 2013-12-11 | 2014-03-26 | 上海置信电气非晶有限公司 | Box-type transformer substation special for wind power plant |
| CN204517243U (en) * | 2015-04-28 | 2015-07-29 | 山东泰山电工电器有限公司 | One does not wait holds railway power telecontrol cubicle-type substation |
| CN204885734U (en) * | 2015-06-30 | 2015-12-16 | 枣庄市航宇电力电器设备制造有限公司 | Box -type substation box body ground connection protection device |
| CN105390952A (en) * | 2015-11-23 | 2016-03-09 | 芜湖金牛电气股份有限公司 | Switch cabinet |
| CN206225856U (en) * | 2016-08-31 | 2017-06-06 | 芜湖金牛电气股份有限公司 | Novel railway case becomes |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106451162A (en) | 2017-02-22 |
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Denomination of invention: New railway box transformer Effective date of registration: 20220321 Granted publication date: 20191015 Pledgee: Anhui Nanling Rural Commercial Bank Co.,Ltd. Pledgor: WUHU JINNIU ELECTRIC Co.,Ltd. Registration number: Y2022980002827 |
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Granted publication date: 20191015 Pledgee: Anhui Nanling Rural Commercial Bank Co.,Ltd. Pledgor: WUHU JINNIU ELECTRIC Co.,Ltd. Registration number: Y2022980002827 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |