CN111371002A - Conducting loop tripping device of switch cabinet - Google Patents
Conducting loop tripping device of switch cabinet Download PDFInfo
- Publication number
- CN111371002A CN111371002A CN202010208163.4A CN202010208163A CN111371002A CN 111371002 A CN111371002 A CN 111371002A CN 202010208163 A CN202010208163 A CN 202010208163A CN 111371002 A CN111371002 A CN 111371002A
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- Prior art keywords
- conductive
- switch cabinet
- arm
- conductive arm
- short
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Links
- 238000000034 method Methods 0.000 claims abstract description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 10
- 239000010949 copper Substances 0.000 claims description 10
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 5
- 229910052709 silver Inorganic materials 0.000 claims description 5
- 239000004332 silver Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 2
- 238000002955 isolation Methods 0.000 abstract description 15
- 230000003068 static effect Effects 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000007747 plating Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 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
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
The invention provides a switch cabinet conductive loop tripping device which comprises a first conductive arm, a second conductive arm and a short connecting piece, wherein one end of the first conductive arm is connected with one end of the short connecting piece, and the other end of the first conductive arm is connected with an original incoming line conductive bar of a target switch cabinet; one end of the second conductive arm is connected with the other end of the short connecting piece, and the other end of the second conductive arm is connected with the original outgoing line conductive bar of the target switch cabinet. In the using process, after the isolation trolley is withdrawn and the movable baffle of the target switch cabinet is detached, the other end of the first conductive arm and the other end of the second conductive arm are reliably connected with the original incoming line conductive bar and outgoing line conductive bar of the target switch cabinet by bolts, so that the upper and lower static contacts of the conductive part in the target switch cabinet are quickly short-circuited, and the conduction in the target switch cabinet is realized.
Description
Technical Field
The invention relates to the field of switch cabinet operation and maintenance devices, in particular to a switch cabinet conductive loop tripping device.
Background
The 10kV switch cabinet of the transformer substation bears the task of 10kV power supply and is important electrical equipment in the transformer substation. At present, the configuration mode that mainly adopts 10kV heavy current isolation cabinet cooperation 10kV heavy current switch cabinet in the transformer substation, 10kV heavy current isolation cabinet are provided with the isolation trolley as isolator, and when needs have a power failure to overhaul, the isolation trolley adopts isolation plug and is connected with power bus, or insert one section connecting bus on the isolation trolley in the cubical switchboard, be connected this section generating line and power through two upper and lower plugs, realize with power bus's isolation, ensure the personnel's safety of overhauing the circuit breaker. However, in the normal use process, the isolation trolley is easy to generate excessive heat under the action of large current of the switch cabinet, so that the use of equipment and circuits in the switch cabinet is affected.
Disclosure of Invention
The invention provides a conducting loop tripping device for a switch cabinet, aiming at overcoming the defect that the isolating trolley in the prior art is easy to generate excessive heat under the action of large current of the switch cabinet to influence the operation of other equipment and circuits.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a conducting loop tripping device of a switch cabinet comprises a first conducting arm, a second conducting arm and a short connecting piece, wherein one end of the first conducting arm is connected with one end of the short connecting piece, and the other end of the first conducting arm is connected with an original incoming line conducting bar of a target switch cabinet; one end of the second conductive arm is connected with the other end of the short connecting piece, and the other end of the second conductive arm is connected with the original outgoing line conductive bar of the target switch cabinet.
In the technical scheme, the switch cabinet conductive loop tripping device main body is composed of the first conductive arm, the second conductive arm and the shorting strip, in the using process, after the isolation trolley is withdrawn and the movable baffle of the target switch cabinet is detached, the other end of the first conductive arm and the other end of the second conductive arm are reliably connected with the original incoming line conductive bar and outgoing line conductive bar of the target switch cabinet by bolts, so that the quick short circuit of the upper and lower static contacts of the conductive part in the target switch cabinet is realized, and the conduction in the target switch cabinet is realized.
Preferably, flanges are arranged at two ends of the first conductive arm and the second conductive arm, and the first conductive arm and the second conductive arm are respectively fixedly installed with the short contact pieces or the inlet and outlet wires of the target switch cabinet by adopting parts such as bolts through the flange structures arranged at the two ends of the first conductive arm and the second conductive arm.
Preferably, the contact surfaces of the flanges arranged at the two ends of the first conductive arm and the second conductive arm are provided with silver coatings, so that the resistance of the contact surfaces of the flanges arranged at the two ends of the first conductive arm and the second conductive arm can be effectively reduced.
Preferably, hole sites are arranged at two ends of the copper connecting bar; the short connecting piece is respectively connected with the flanges arranged at the two ends of the first conductive arm and the second conductive arm through bolts and nuts.
Preferably, the short tab includes 3 copper bars, and the short tab adopts folded plate technology to set up the space in 3 copper bar intermediate positions, and the guarantee short tab can reliably dispel the heat when having the electric current to pass through.
Preferably, the first conductive arm and the second conductive arm are made of copper materials.
Preferably, the wall thickness of the first conductive arm and the second conductive arm is not less than 16mm, and the current capacity of the first conductive arm and the current capacity of the second conductive arm are not less than 4000A.
Preferably, the outer surfaces of the first conductive arm, the second conductive arm and the short connecting piece are provided with heat-shrinkable insulating layers in an encapsulating mode, so that short circuit of the equipment caused by exposed metal of the first conductive arm, the second conductive arm and the short connecting piece can be prevented.
Preferably, the device further comprises a charged display sensor for displaying the charged condition of the current conducting loop tripping device of the switch cabinet, and the charged display sensor is arranged at the connecting position of the second conducting arm and the short-circuit piece.
Preferably, the device further comprises a temperature indicating sheet for displaying the temperature condition of the current conducting loop tripping device of the switch cabinet, and the temperature indicating sheet is arranged at the connecting position of the first conducting arm and the short connecting sheet.
Compared with the prior art, the technical scheme of the invention has the beneficial effects that: the switch cabinet conductive loop tripping device composed of the first conductive arm, the second conductive arm and the short splicing piece is used for quickly short-circuiting the upper and lower static contacts of the conductive part in the target switch cabinet, so that the switch cabinet of the target switch cabinet is switched on, the switch cabinet is guaranteed to be reliably powered, and the heating hidden trouble of the isolation trolley can be eliminated.
Drawings
Fig. 1 is a schematic structural diagram of a conductive loop tripping device of a switch cabinet in embodiment 1.
Fig. 2 is a schematic structural diagram of a switch cabinet conductive loop tripping device in embodiment 2.
Fig. 3 is a schematic structural diagram of a switch cabinet conductive loop tripping device in embodiment 3.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent;
for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product;
it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The technical solution of the present invention is further described below with reference to the accompanying drawings and examples.
Example 1
The present embodiment provides a switch cabinet conductive loop tripping device, which is a schematic structural diagram of the switch cabinet conductive loop tripping device of the present embodiment, as shown in fig. 1.
The switch cabinet conductive loop tripping device provided by the embodiment comprises a first conductive arm 1, a second conductive arm 2 and a short-circuit piece 3, wherein one end of the first conductive arm 1 is connected with one end of the short-circuit piece 3, and the other end of the first conductive arm 1 is installed on an upper static contact seat of an isolation trolley of a target switch cabinet and is connected with an original incoming line conductive bar of the target switch cabinet; one end of the second conductive arm 2 is connected with the other end of the short-circuit piece 3, and the other end of the second conductive arm 2 is installed on a lower static contact seat of the isolation trolley of the target switch cabinet and is connected with the original outgoing line conductive bar of the target switch cabinet.
In this embodiment, flanges 11/21 are disposed at two ends of the first conductive arm 1 and the second conductive arm 2, and the first conductive arm 1 and the second conductive arm 2 are respectively fixed to the shorting strip 3 or an original incoming and outgoing line of the target switch cabinet by using parts such as bolts through the flanges 11/21 disposed at the two ends of the first conductive arm 1 and the second conductive arm 2. In addition, the contact surface of the flange 11/21 is provided with a silver plating layer, the thickness of the silver plating layer is not less than 6 μm, and in the embodiment, the thickness of the silver plating layer provided on the flange 11/21 is 6 μm.
In this embodiment, the first conductive arm 1 and the second conductive arm 2 are made of copper material, and the wall thickness thereof is not less than 16mm, and in this embodiment, the wall thickness of the first conductive arm 1 and the second conductive arm 2 is 16 mm.
In this embodiment, the short tab 3 is formed by 3 copper bars of TMY120 × 10, hole sites are formed at two ends of the short tab 3, and the short tab 3 is connected to the flanges 11/21 at two ends of the first conductive arm 1 and the second conductive arm 2 by 8.8-stage bolts and nuts; and the two sides of the short connecting pieces 3 adopt a plate folding process, so that the middle positions of the 3 copper bars are provided with holes with the width of 3 mm.
In this embodiment, the outer surfaces of the first conductive arm 1, the second conductive arm 2, and the short tab 3 are wrapped with a heat-shrinkable insulating layer, and the thickness of the heat-shrinkable insulating layer after the heat shrinkage of the first conductive arm 1, the second conductive arm 2, and the short tab 3 is 2 mm.
In the specific implementation process, the flange at one end of the first conductive arm 1 is connected with the hole site formed at one end of the short tab 3 by using the bolt and the nut, the flange at one end of the second conductive arm 2 is connected with the hole site formed at the other end of the short tab 3 by using the bolt and the nut, and the assembly of the conductive loop tripping device of the switch cabinet is completed. Then, after the isolation trolley is withdrawn and the movable baffle of the target switch cabinet is removed, the switch cabinet conductive loop tripping device of the embodiment is connected and installed with a power bus of the target switch cabinet, and specifically, a flange 11 arranged at the other end of the first conductive arm 1 is connected with the first conductive arm 1 and an original incoming line conductive bar of the target switch cabinet by bolts and nuts; the flange 21 arranged at the other end of the second conductive arm 2 is connected with the original outgoing line conductive bar of the target switch cabinet, so that the upper and lower static contacts of the conductive part in the target switch cabinet are quickly short-circuited, the conduction in the target switch cabinet is realized, the reliable power supply of the switch cabinet is guaranteed, and the heating hidden trouble of the isolation trolley is eliminated.
Example 2
In this embodiment, on the basis of the switch cabinet conductive circuit tripping device provided in embodiment 1, an electrified display sensor 4 for displaying the electrified condition of the current switch cabinet conductive circuit tripping device is additionally provided.
Fig. 2 is a schematic structural diagram of the conductive loop tripping device of the switch cabinet in this embodiment.
The charged display sensor 4 in this embodiment is disposed at a connection position of the second conductive arm 2 and the short tab 3.
In the specific implementation process, a flange at one end of a first conductive arm 1 is connected with a hole site formed at one end of a short-circuit piece 3 by adopting a bolt and a nut, a flange at one end of a second conductive arm 2 is connected with a hole site formed at the other end of the short-circuit piece 3 by adopting a bolt and a nut, and then a flange 11 arranged at the other end of the first conductive arm 1 is connected with an original incoming line conductive bar of a target switch cabinet by adopting a bolt and a nut; and the flange 21 arranged at the other end of the second conductive arm 2 is reliably connected with the original outgoing line conductive bar of the target switch cabinet, so that the upper and lower static contacts of the conductive part in the target switch cabinet are quickly short-circuited.
In addition, the electrified display sensor 4 that this embodiment adds is installed and is set up at second conductive arm 2 and short circuit piece 3 hookup location, and when the cubical switchboard conductive loop trip gear of this embodiment had operating voltage, the display window of electrified display sensor 4 sent out the flash of light to warn the staff current high-voltage apparatus electrified.
Example 3
In this embodiment, a temperature indicating sheet 5 for displaying the temperature condition of the current conductive circuit tripping device of the switch cabinet is added on the basis of the conductive circuit tripping device of the switch cabinet provided in embodiment 1 or embodiment 2.
Fig. 3 is a schematic structural diagram of the conductive loop tripping device of the switch cabinet in this embodiment.
The temperature indicating sheet 5 additionally arranged in the embodiment is arranged at the connecting position of the first conductive arm 1 and the short-circuit sheet 3. The temperature indicating sheet 5 adopts a temperature indicating wax sheet or a color-changing temperature indicating sheet.
In the specific implementation process, a flange at one end of a first conductive arm 1 is connected with a hole site formed at one end of a short-circuit piece 3 by adopting a bolt and a nut, a flange at one end of a second conductive arm 2 is connected with a hole site formed at the other end of the short-circuit piece 3 by adopting a bolt and a nut, and then a flange 11 arranged at the other end of the first conductive arm 1 is connected with an original incoming line conductive bar of a target switch cabinet by adopting a bolt and a nut; and the flange 21 arranged at the other end of the second conductive arm 2 is reliably connected with the original outgoing line conductive bar of the target switch cabinet, so that the upper and lower static contacts of the conductive part in the target switch cabinet are quickly short-circuited.
In addition, the temperature indicating sheet 5 adopted in this embodiment is a color-changing temperature indicating sheet, the temperature indicating sheet 5 is adhered to the connection position of the first conductive arm 1 and the short-circuit sheet 3, and when the temperature of the switch cabinet conductive circuit tripping device of this embodiment exceeds the temperature value set by the temperature indicating sheet 5, the temperature indicating sheet 5 is changed from original white to black after overheating, so as to represent the overheating condition of the current switch cabinet conductive circuit tripping device.
The same or similar reference numerals correspond to the same or similar parts;
the terms describing positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the patent;
it should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A conducting loop tripping device of a switch cabinet is characterized by comprising a first conducting arm, a second conducting arm and a short connecting piece, wherein one end of the first conducting arm is connected with one end of the short connecting piece, and the other end of the first conducting arm is connected with an original incoming line conducting bar of a target switch cabinet; one end of the second conductive arm is connected with the other end of the short connecting piece, and the other end of the second conductive arm is connected with the original outgoing line conductive bar of the target switch cabinet.
2. The switch cabinet conductive loop snap-back device of claim 1, wherein: flanges are arranged at two ends of the first conductive arm and the second conductive arm.
3. The switch cabinet conductive loop snap-back device of claim 2, wherein: and silver coatings are arranged on the contact surfaces of the flanges arranged at the two ends of the first conductive arm and the second conductive arm.
4. The switch cabinet conductive loop snap-back device of claim 2, wherein: hole sites are arranged at two ends of the short splicing sheet; and the short connecting pieces are respectively connected with the flanges arranged at the two ends of the first conductive arm and the second conductive arm by bolts and nuts.
5. The switch cabinet conductive loop snap-back device of claim 2, wherein: the short splicing piece comprises 3 copper bars, and gaps are formed in the middle positions of the 3 copper bars by adopting a plate folding process.
6. The switch cabinet conductive loop snap-back device of claim 1, wherein: the first conductive arm and the second conductive arm are made of copper materials.
7. The switch cabinet conductive loop snap-back device of claim 6, wherein: the wall thickness of the first conductive arm and the wall thickness of the second conductive arm are not less than 16 mm.
8. The switch cabinet conductive loop snap-back device of claim 1, wherein: and the outer surfaces of the first conductive arm, the second conductive arm and the short connecting piece are wrapped and provided with heat-shrinkable insulating layers.
9. The switch cabinet conductive loop tripping device according to any one of claims 1 to 8, characterized in that: the device further comprises a charged display sensor, and the charged display sensor is arranged at the connecting position of the second conductive arm and the short connector.
10. The switch cabinet conductive loop tripping device according to any one of claims 1 to 8, characterized in that: the device still includes the temperature indicating piece, the temperature indicating piece sets up first electrically conductive arm with short circuit piece hookup location.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010208163.4A CN111371002A (en) | 2020-03-23 | 2020-03-23 | Conducting loop tripping device of switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010208163.4A CN111371002A (en) | 2020-03-23 | 2020-03-23 | Conducting loop tripping device of switch cabinet |
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| Publication Number | Publication Date |
|---|---|
| CN111371002A true CN111371002A (en) | 2020-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010208163.4A Pending CN111371002A (en) | 2020-03-23 | 2020-03-23 | Conducting loop tripping device of switch cabinet |
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| CN (1) | CN111371002A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101710674A (en) * | 2009-11-30 | 2010-05-19 | 福建省电力有限公司厦门电业局 | High-voltage insulated short-circuit device |
| CN207504331U (en) * | 2017-11-06 | 2018-06-15 | 国网河南省电力公司南阳供电公司 | A kind of totally-enclosed switch cabinet electricity detection device |
| CN109004569A (en) * | 2018-08-13 | 2018-12-14 | 国网河南省电力公司南阳供电公司 | A kind of totally-enclosed switch cabinet bus grounding device and application method |
| CN212063007U (en) * | 2020-03-23 | 2020-12-01 | 广东电网有限责任公司 | Conducting loop tripping device of switch cabinet |
-
2020
- 2020-03-23 CN CN202010208163.4A patent/CN111371002A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101710674A (en) * | 2009-11-30 | 2010-05-19 | 福建省电力有限公司厦门电业局 | High-voltage insulated short-circuit device |
| CN207504331U (en) * | 2017-11-06 | 2018-06-15 | 国网河南省电力公司南阳供电公司 | A kind of totally-enclosed switch cabinet electricity detection device |
| CN109004569A (en) * | 2018-08-13 | 2018-12-14 | 国网河南省电力公司南阳供电公司 | A kind of totally-enclosed switch cabinet bus grounding device and application method |
| CN212063007U (en) * | 2020-03-23 | 2020-12-01 | 广东电网有限责任公司 | Conducting loop tripping device of switch cabinet |
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