CN110351973A - A kind of protective relaying device single machine emulation cabinet - Google Patents
A kind of protective relaying device single machine emulation cabinet Download PDFInfo
- Publication number
- CN110351973A CN110351973A CN201910730212.8A CN201910730212A CN110351973A CN 110351973 A CN110351973 A CN 110351973A CN 201910730212 A CN201910730212 A CN 201910730212A CN 110351973 A CN110351973 A CN 110351973A
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- 230000001681 protective effect Effects 0.000 title claims abstract description 77
- 239000000203 mixture Substances 0.000 claims abstract description 5
- 239000011521 glass Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 18
- 238000012549 training Methods 0.000 description 13
- 238000009434 installation Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 6
- 239000002346 layers by function Substances 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/18—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism
- G09B23/183—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism for circuits
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/14—Mounting supporting structure in casing or on frame or rack
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- General Physics & Mathematics (AREA)
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- Mathematical Analysis (AREA)
- Computational Mathematics (AREA)
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- Microelectronics & Electronic Packaging (AREA)
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- Pure & Applied Mathematics (AREA)
- Business, Economics & Management (AREA)
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Abstract
The present invention proposes a kind of protective relaying device single machine emulation cabinet, including machine cabinet body, machine cabinet body include the cabinet framework pillar of six faceplate panels and composition machine cabinet body；Cabinet further includes the first module column and the second module column, wherein one end of the first module column and the second module column is connect with upper plate, the other end of the first module column and the second module column is connect with lower plate；First module column is bonded setting with the medial surface of the front plate of machine cabinet body；Several square holes are provided on first module column and the second module column；Front plate is made of several dismountable panels, and front plate two sides, which are provided with, to be clamped with the matched buckle of square hole, front plate by the square hole of buckle and the first module column；Cabinet further includes power supply module, and power supply module includes power supply air switch, supply voltage terminal block, wiring line, and power supply module is fixed on inside machine cabinet body by the square hole opened up on the first module column and the second module column.
Description
Technical field
The present invention relates to emulation cabinet design fields, emulate more particularly, to a kind of protective relaying device single machine
Cabinet.
Background technique
In order to improve the professional standards of relay protection professional staff, generally using simple Training Room carry out profession after
Electric protection emulation training.Mainly by recycling all kinds of protective devices, including the auspicious relay protection 220kV route protection in south in simple Training Room
Device, the auspicious relay protection 110kV line protective devices in south, bus differential protection device, cubic line protective devices, backup auto-activating device, 10kV
All kinds of protective devices recycled are mounted on the simple real training by line protective devices, telecontrol device device, arc-extinction device etc.
It is utilized again in room, for giveing use training for relay protection professional staff.Due to tearing Huis receipts open by scene
Approach is mainly that protection screen in the relay system that single machine is torn open back, and removed and its protection screen cabinet secondary cable can not often be torn open
It returns, so the simple indoor protective device of real training used at present only has stand-alone device, lacks relevant electric power loop, electric current
The secondary wiring in voltage input circuit lacks signal circuit wiring, tripping outlet wiring, and therefore, it is difficult to directly apply to training operation
In.
Summary of the invention
The present invention is to overcome to be difficult to directly apply to the relay system for removing recycling simply described in the above-mentioned prior art
The defects of training operation of Training Room provides a kind of protective relaying device single machine emulation cabinet.
In order to solve the above technical problems, technical scheme is as follows:
A kind of protective relaying device single machine emulation cabinet, including machine cabinet body, wherein machine cabinet body includes upper plate, bottom
Plate, Left-Hand Panel, right panel, front plate, rear panel and composition machine cabinet body frame cabinet framework pillar；Cabinet also wraps
2 first module columns and 2 second module columns are included, wherein one end of the first module column and the second module column and upper top
The other end of plate connection, the first module column and the second module column is connect with lower plate；First module column and machine cabinet body
Front plate medial surface be bonded setting；The spacing of 2 first module columns is equal with the spacing of 2 second module columns, the
One module column is equal with the spacing of the second module column；Several sides are provided on first module column and the second module column
Hole；Front plate is made of several dismountable panels, and front plate two sides, which are provided with, passes through card with the matched buckle of square hole, front plate
The square hole of button and the first module column is clamped；
Cabinet further includes power supply module, power supply module include power supply air switch, supply voltage terminal block with
And the wiring line applied to protective relaying device, and power supply module passes through on the first module column and the second module column
The square hole opened up is fixed on inside machine cabinet body；
Cabinet is filled relay protection to be installed by the square hole opened up on the first module column and the second module column
Set, with the matching used operating handle of protective relaying device, protective relaying device function pressing plate from top to bottom successively removably
It is mounted in cabinet.
In the technical program, the first module column and the second module column be used for by protective relaying device to be installed, with
The matching used operating handle of protective relaying device, protective relaying device function pressing plate are from top to bottom successively removably installed and set
It sets in cabinet, specifically, by several square holes being arranged on the first module column and the second module column, needs is mounted on
It is vertical that protective relaying device, power supply module, input and output terminal block, function pressing plate in cabinet are fixed on the first module
Between column and the second module column, and square hole can satisfy the bore size requirement of all kinds of apparatus modules；Front plate by it is several can
The panel of disassembly forms, after completing the installation settings of the device in cabinet and module, according to the size of device and module at it
Corresponding position installs the detachable panel of corresponding size, for distinguishing the device and module that are mounted on different location level.
Preferably, several fixed brackets are provided between the first module column and the second module column, for reinforcing first
Module column and the second module column.
Preferably, several guide rails are provided between the cabinet framework pillar of the left and right sides in Left-Hand Panel and right panel,
For reinforcing the structure on Left-Hand Panel and right panel.
Preferably, module guiding trestle is provided between guide rail and the second module column, wherein the one of module guiding trestle
End is fixedly connected with the second module column, and the other end and the guide rail of module guiding trestle are slidably connected.
Preferably, upper plate and the first module column, the second module column link position are provided with the first fixed strip, bottom
Plate and the first module column, the second module column link position are provided with the second fixed strip.
Preferably, upper plate, lower plate, Left-Hand Panel, right panel, rear panel are detachable with cabinet framework pillar respectively
Setting, realizes the detachable of cabinet.
Preferably, upper plate, lower plate, Left-Hand Panel, right panel, be respectively arranged with knocker on rear panel, convenient for upper
Top plate, lower plate, Left-Hand Panel, right panel, the installation and removal of rear panel.
Preferably, it is provided with heat release hole in Left-Hand Panel and right panel, for be mounted on the relay in cabinet
Protective device radiates.
Preferably, front plate uses glass material, and front plate with a thickness of 5mm, protected for observing interior of equipment cabinet relay
The installation situation of protection unit.
Preferably, cabinet further includes universal wheel, and wherein the downside of lower plate is arranged in universal wheel, can be convenient for cabinet
It is mobile.
Compared with prior art, the beneficial effect of technical solution of the present invention is: by built in machine cabinet body first
Module column, the second module column, the electricity that power supply required for protective relaying device to be installed, wiring line are formed
Source power supply module is mounted in cabinet, makes the interior electric power loop and wiring equipped with applied to protective relaying device of cabinet,
It realizes that protective relaying device can be mounted directly to be used in protective relaying device single machine emulation cabinet；Panel in cabinet is removable
Setting is unloaded, convenient for the dismounting and transport of cabinet.
Detailed description of the invention
Fig. 1 is that the protective relaying device single machine of embodiment 1 emulates the structural schematic diagram of cabinet.
Fig. 2 is that the protective relaying device single machine of embodiment 2 emulates the structural schematic diagram of cabinet.
Fig. 3 is the structural schematic diagram of the left and right sides panel of embodiment 2.
Specific embodiment
The attached figures are only used for illustrative purposes and cannot be understood as limitating the patent；
In order to better illustrate this embodiment, the certain components of attached drawing have omission, zoom in or out, and do not represent actual product
Size；
To those skilled in the art, it is to be understood that certain known features and its explanation, which may be omitted, in attached drawing
's.
The following further describes the technical solution of the present invention with reference to the accompanying drawings and examples.
Embodiment 1
As shown in Figure 1, emulating the structural schematic diagram of cabinet for the protective relaying device single machine of the present embodiment.
The present embodiment proposes a kind of protective relaying device single machine emulation cabinet, including machine cabinet body 1, wherein machine cabinet body 1
Cabinet frame including upper plate, lower plate, Left-Hand Panel, right panel, front plate, rear panel and composition machine cabinet body frame
Post setting；Cabinet further includes 2 first the second module columns of module column 2 and 2 piece 3, wherein the first module column 2 and the second mould
One end of block column 3 is connect with upper plate, and the other end of the first module column 2 and the second module column 3 is connect with lower plate；The
One module column 2 is bonded setting with the medial surface of the front plate of machine cabinet body；The spacing of 2 first module columns 2 with 2 second
The spacing of module column 3 is equal, and the first module column 2 is equal with the spacing of the second module column 3；First module column 2 and
Several square holes 21/31 are provided on two module columns 3；Front plate is made of several dismountable panels, the setting of front plate two sides
Have and is clamped with the matched buckle of square hole 21, front plate by the square hole 21 of buckle and the first module column 2.
In the present embodiment, several fixed brackets 4 are provided between the first module column 2 and the second module column 3；Left side
Several guide rails 5, guide rail 5 and the second module column 3 are provided between the cabinet framework pillar of the left and right sides on plate and right panel
Between be provided with module guiding trestle 6, wherein one end of module guiding trestle 6 is fixedly connected with the second module column 3, and module is led
It is slidably connected to the other end of bracket 6 with guide rail 5；On upper plate with the first module column 2,3 link position of the second module column
It is provided with the first fixed strip 7, the first module column 2,3 link position of the second module column are provided with second on lower plate and fix
Item 8.
In the present embodiment, cabinet further includes power supply module, and power supply module includes power supply air switch, power supply electricity
Terminal block and the wiring line applied to protective relaying device are pressed, and power supply module passes through the first module column and second
The square hole opened up on module column is fixed on inside machine cabinet body.
In the present embodiment, protective relaying device single machine emulates a height of 1400mm, a length of 800mm, width 600mm of cabinet.
In the specific implementation process, it completes to build protective relaying device single machine emulation cabinet framework and upper plate, bottom
Plate, Left-Hand Panel, right panel, rear panel installation after, power supply air required for protective relaying device to be installed is opened
It closes, supply voltage terminal block and wiring line weld and by opening up on the first module column and the second module column
Square hole is fixed on inside machine cabinet body, is then matched by protective relaying device to be installed, with protective relaying device
Operating handle, protective relaying device function pressing plate be from top to bottom successively removably installed be arranged in cabinet, set up five layers
Functional layer module, wherein first layer is that cabinet voltage module arranges area, power supply module is equipped with, for for the institute in cabinet
There is the power supply of module or device to be powered；The second layer and third layer are protective relaying device fixing layer, are protected for fixing relay
Protection unit；4th layer is arranged layer, the matching used operation of protective relaying device for placing Yu being installed for operation component
Handle etc. operates component；Layer 5 is that pressing plate arranges layer, is made for arranging with the protective relaying device allocation function installed
Function pressing plate, output clamping, maintenance pressing plate etc..Complete interior of equipment cabinet protective relaying device and its matching used operation member
Device, function pressing plate mounting arrangements after, will form 5 of front plate with functional layer module detachable panel of the same size into
Row installation, detachable panel are clamped by the square hole 21 for buckling with opening up on the first module column 2 that its two sides is arranged, are completed just
The installation of panel, the i.e. installation settings of completion protective relaying device single machine emulation cabinet.Relay protection professional staff
The protective relaying device single machine emulation cabinet proposed using the present embodiment carries out Protection simulation training.
In the present embodiment, by being provided with the first module column, the second module column in cabinet, convenient for will be to be installed
Protective relaying device is fixed at the matching used operating handle of protective relaying device, protective relaying device function pressing plate
It is welded with the power supply module being powered for the power supply for protective relaying device in cabinet, and in cabinet, solves letter
The problem of lacking relevant electric power loop in easy Training Room, enables the protective relaying device single machine of the present embodiment to emulate cabinet straight
It scoops out in Protection simulation training.
Embodiment 2
As shown in Fig. 2, emulating the structural schematic diagram of cabinet for the protective relaying device single machine of the present embodiment.
The present embodiment proposes a kind of protective relaying device single machine emulation cabinet, including machine cabinet body 1, wherein machine cabinet body 1
Cabinet frame including upper plate, lower plate, Left-Hand Panel, right panel, front plate, rear panel and composition machine cabinet body frame
Post setting；Cabinet further includes 2 first the second module columns of module column 2 and 2 piece 3, wherein the first module column 2 and the second mould
One end of block column 3 is connect with upper plate, and the other end of the first module column 2 and the second module column 3 is connect with lower plate；The
One module column 2 is bonded setting with the medial surface of the front plate of machine cabinet body；The spacing of 2 first module columns 2 with 2 second
The spacing of module column 3 is equal, and the first module column 2 is equal with the spacing of the second module column 3；First module column 2 and
Several square holes 21/31 are provided on two module columns 3；Front plate is made of several dismountable panels, the setting of front plate two sides
Have and is clamped with the matched buckle of square hole 21, front plate by the square hole 21 of buckle and the first module column 2.
In the present embodiment, several fixed brackets 4 are provided between the first module column 2 and the second module column 3；Left side
Several guide rails 5, guide rail 5 and the second module column 3 are provided between the cabinet framework pillar of the left and right sides on plate and right panel
Between be provided with module guiding trestle 6, wherein one end of module guiding trestle 6 is fixedly connected with the second module column 3, and module is led
It is slidably connected to the other end of bracket 6 with guide rail 5；On upper plate with the first module column 2,3 link position of the second module column
It is provided with the first fixed strip 7, the first module column 2,3 link position of the second module column are provided with second on lower plate and fix
Item 8.
In the present embodiment, cabinet further includes power supply module, and power supply module includes power supply air switch, power supply electricity
Terminal block is pressed, and power supply module is fixed on machine by the square hole opened up on the first module column and the second module column
Cabinet body interior.
In the present embodiment, upper plate, lower plate, Left-Hand Panel, right panel, rear panel are detachably arranged, and upper plate,
Lower plate, Left-Hand Panel, right panel, rear panel side be respectively arranged with knocker 9, convenient for cabinet panel is dismantled.
In the present embodiment, heat release hole 10 is provided on Left-Hand Panel and right panel.As shown in figure 3, for the present embodiment
The structural schematic diagram of left and right sides panel.
In the present embodiment, front plate use glass material, and front plate with a thickness of 5mm.
In the present embodiment, installation settings has universal wheel 11 to four corner positions of the downside of lower plate respectively, makes relay
Protective device single machine emulation cabinet can integrally push movement.
In the present embodiment, protective relaying device single machine emulates a height of 1400mm, a length of 800mm, width 600mm of cabinet.
In the specific implementation process, it completes to build protective relaying device single machine emulation cabinet framework and upper plate, bottom
Plate, Left-Hand Panel, right panel, rear panel installation after, power supply air required for protective relaying device to be installed is opened
It closes, supply voltage terminal block and wiring line weld and by opening up on the first module column and the second module column
Square hole is fixed on inside machine cabinet body, is then matched by protective relaying device to be installed, with protective relaying device
Operating handle, protective relaying device function pressing plate be from top to bottom successively removably installed be arranged in cabinet, set up five layers
Functional layer module, wherein first layer is that cabinet voltage module arranges area, power supply module is equipped with, for for the institute in cabinet
There is the power supply of module or device to be powered；The second layer and third layer are protective relaying device fixing layer, are protected for fixing relay
Protection unit；4th layer is arranged layer, the matching used operation of protective relaying device for placing Yu being installed for operation component
Handle etc. operates component；Layer 5 is that pressing plate arranges layer, is made for arranging with the protective relaying device allocation function installed
Function pressing plate, output clamping, maintenance pressing plate etc..Complete interior of equipment cabinet protective relaying device and its matching used operation member
Device, function pressing plate mounting arrangements after, will form 5 of front plate with functional layer module detachable panel of the same size into
Row installation, detachable panel are clamped by the square hole 21 for buckling with opening up on the first module column 2 that its two sides is arranged, are completed just
The installation of panel, the i.e. installation settings of completion protective relaying device single machine emulation cabinet.Relay protection professional staff
The protective relaying device single machine emulation cabinet proposed using the present embodiment carries out Protection simulation training.
In the present embodiment, the panel of cabinet is detachably arranged, and tears open convenient for protective relaying device single machine emulation cabinet is whole
Dress, and 9 structure of knocker is additionally arranged on panel, the dismounting of door-plate is further facilitated, is provided with heat release hole on left and right sides panel
10, it works and radiates convenient for the protective relaying device in cabinet in use.In addition, the present embodiment is additionally arranged at the bottom of in cabinet
Universal wheel 11 keeps cabinet integrally easy to remove.
The same or similar label correspond to the same or similar components；
The terms describing the positional relationship in the drawings are only for illustration, should not be understood as the limitation to this patent；
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair
The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this
Made any modifications, equivalent replacements, and improvements etc., should be included in the claims in the present invention within the spirit and principle of invention
Protection scope within.
Claims (10)
1. a kind of protective relaying device single machine emulates cabinet, including machine cabinet body, the machine cabinet body includes upper plate, bottom
Plate, Left-Hand Panel, right panel, front plate, rear panel and composition machine cabinet body frame cabinet framework pillar, feature exists
In: the cabinet further includes 2 first module columns and 2 second module columns, wherein first module column and second
One end of module column is connect with upper plate, and the other end and lower plate of first module column and the second module column connect
It connects；First module column is bonded setting with the medial surface of the front plate of machine cabinet body；Between 2 first module columns
Away from equal with the spacing of 2 second module columns, first module column is equal with the spacing of the second module column；Institute
It states and offers several square holes on the first module column and the second module column；The front plate is by several dismountable panel groups
At the front plate two sides, which are provided with, passes through buckle and the first module column with the matched buckle of the square hole, the front plate
Square hole clamping；
The cabinet further includes power supply module, and the power supply module includes power supply air switch, supply voltage terminal
Row and applied to protective relaying device wiring line, and the power supply module pass through the first module column and the second mould
The square hole opened up on block column is fixed on inside machine cabinet body；
The cabinet passes through the square hole opened up on the first module column and the second module column, by power supply power supply mould to be installed
Block, protective relaying device and the matching used operating handle of protective relaying device, protective relaying device function pressing plate are from top to bottom
It is successively removably installed and is arranged in cabinet.
2. protective relaying device single machine according to claim 1 emulates cabinet, it is characterised in that: first module column
And second be provided with several fixed brackets between module column.
3. protective relaying device single machine according to claim 1 emulates cabinet, it is characterised in that: the Left-Hand Panel and the right side
Several guide rails are provided between the cabinet framework pillar of the left and right sides on side panel.
4. protective relaying device single machine according to claim 3 emulates cabinet, it is characterised in that: the guide rail and described the
Module guiding trestle, one end of the module guiding trestle and the fixed company of the second module column are provided between two module columns
It connects, the other end of the module guiding trestle is slidably connected with guide rail.
5. protective relaying device single machine according to any one of claims 1 to 4 emulates cabinet, it is characterised in that: on described
Top plate and the first module column, the second module column link position are provided with the first fixed strip, the lower plate and the first module
Column, the second module column link position are provided with the second fixed strip.
6. protective relaying device single machine according to claim 5 emulates cabinet, it is characterised in that: the upper plate, bottom
Plate, Left-Hand Panel, right panel, rear panel are detachably arranged.
7. protective relaying device single machine according to claim 6 emulates cabinet, it is characterised in that: the upper plate, bottom
Plate, right panel, is respectively arranged with knocker on rear panel at Left-Hand Panel.
8. protective relaying device single machine according to claim 6 emulates cabinet, it is characterised in that: the Left-Hand Panel and the right side
Heat release hole is provided on side panel.
9. protective relaying device single machine according to claim 6 emulates cabinet, it is characterised in that: the front plate uses glass
Glass material, the front plate with a thickness of 5mm.
10. protective relaying device single machine according to claim 5 emulates cabinet, it is characterised in that: the cabinet further includes
The downside of lower plate is arranged in universal wheel, the universal wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910730212.8A CN110351973B (en) | 2019-08-08 | 2019-08-08 | Relay protection device single-machine simulation cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910730212.8A CN110351973B (en) | 2019-08-08 | 2019-08-08 | Relay protection device single-machine simulation cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110351973A true CN110351973A (en) | 2019-10-18 |
| CN110351973B CN110351973B (en) | 2024-01-23 |
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ID=68184366
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910730212.8A Active CN110351973B (en) | 2019-08-08 | 2019-08-08 | Relay protection device single-machine simulation cabinet |
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| CN (1) | CN110351973B (en) |
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| CN208317188U (en) * | 2018-07-04 | 2019-01-01 | 宁波龙图通讯科技有限公司 | A kind of removable frame cabinet |
| CN208335507U (en) * | 2017-12-19 | 2019-01-04 | 贵州大学 | A kind of relay protection teaching experiment simulation platform |
| CN210868490U (en) * | 2019-08-08 | 2020-06-26 | 广东电网有限责任公司 | Single-machine simulation cabinet of relay protection device |
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- 2019-08-08 CN CN201910730212.8A patent/CN110351973B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202406401U (en) * | 2011-11-25 | 2012-08-29 | 艾默生网络能源有限公司 | Outdoor cabinet having assembled structure |
| CN204157174U (en) * | 2014-05-16 | 2015-02-11 | 北京Abb贝利工程有限公司 | For the special machine cabinet in ABB Symphony control system |
| US20160323206A1 (en) * | 2015-04-30 | 2016-11-03 | Fujitsu Limited | Relay apparatus |
| CN206698542U (en) * | 2017-02-28 | 2017-12-01 | 东莞市湘华五金科技有限公司 | Reinforcement type indoor machine cabinet with Compound Cavity |
| CN206977872U (en) * | 2017-07-31 | 2018-02-06 | 常州太平通讯科技有限公司 | Adjustable stand column formula rack |
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| CN208209287U (en) * | 2018-05-21 | 2018-12-07 | 南京南瑞继保电气有限公司 | Secondary device rack in a kind of prefabricated cabin |
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| CN210868490U (en) * | 2019-08-08 | 2020-06-26 | 广东电网有限责任公司 | Single-machine simulation cabinet of relay protection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110351973B (en) | 2024-01-23 |
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