CN209045795U - A kind of DC power supply tap terminals row - Google Patents
A kind of DC power supply tap terminals row Download PDFInfo
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- CN209045795U CN209045795U CN201822218578.0U CN201822218578U CN209045795U CN 209045795 U CN209045795 U CN 209045795U CN 201822218578 U CN201822218578 U CN 201822218578U CN 209045795 U CN209045795 U CN 209045795U
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- copper
- power supply
- copper tip
- tap terminals
- tip
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 90
- 229910052802 copper Inorganic materials 0.000 claims abstract description 90
- 239000010949 copper Substances 0.000 claims abstract description 90
- 238000009413 insulation Methods 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 6
- 230000004888 barrier function Effects 0.000 abstract description 3
- 238000010079 rubber tapping Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 230000006872 improvement Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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Abstract
The utility model discloses a kind of DC power supply tap terminals rows, belong to power supply applied technical field, the DC power supply of DC power supply tap terminals row is attached by direct current cables and terminal block, terminal block includes insulating panel, copper tip, copper short circuit piece and crimp, copper tip number is multiple, positive polar region includes several copper tips, cathode area includes several copper tips, positive polar region and cathode area are separated by insulation barrier, each copper tip is embedded in insulating panel, and two adjacent copper tips are connected to and are fixed with crimp by being shorted piece.DC power supply tap terminals row and tapping method enable multiple secondary device common DC power sources in power screen cabinet, reduce the laying and usage amount of direct current cables, have saved cost of investment；The efficiency for improving the maintenance of cable O&M, improves the economy and safety of substation.
Description
Technical field
The utility model relates to power supply applied technical fields, arrange more particularly, to a kind of DC power supply tap terminals.
Background technique
The normal operation of the electrical secondary equipments such as substation relay protection, automated system needs DC power supply in station to provide
Power supply guarantee.In substation, electrical secondary equipment carries out group screen arrangement according to electrical separation, for example, between a 110kV route
A face cabinet is organized jointly every interior protective device, measure and control device, electric energy meter, interchanger.This group screen mode improves substation
The space utilization rate of interior secondary screen cabinet.But each device requires DC power supply power supply in screen cabinet, this results in the straight of laying
Galvanic electricity cable is excessive, and disk line is complicated, is unfavorable for operation maintenance personnel maintenance, maintenance direct current cables, while excessive cable accumulation is easy to cause
Fire incident brings hidden danger to substation safety stable operation.
The document that notification number is 105576528 B of CN discloses a kind of power of alterating and direct current transfer box and Comprehensive Automation Retrofit method,
Wherein the power of alterating and direct current transfer box includes: control general supply changeover section, including multi-channel control electric power incoming line interface, multichannel control
Power outlet interface processed and for connecting the multi-channel control electric power incoming line interface and the multi-channel control power outlet interface
First terminal row controls power outlet with integrated power supply screen for controlling the small bus inlet wire cable of general supply for switchgear screen top
Switching interface is provided between cable.Although the document is in substation's Comprehensive Automation Retrofit engineering, when replacing power of alterating and direct current screen, utilize
Power of alterating and direct current transfer box may be implemented under the premise of switchgear do not have a power failure, and complete the work of integrated power supply screen installation and replacement, from
And equipment frequency of power cut in improvement project is reduced, Optimizing construction process is reduced repeated labor, and construction efficiency, but this article are improved
The cable laying amount for offering needs is bigger, there is raising to be optimized.
Utility model content
In view of this, the purpose of this utility model is in view of the deficiencies of the prior art, to provide a kind of DC power supply tap end
Son row conducive to O&M, can reduce cable laying amount, save cable investment.
In order to achieve the above objectives, the utility model uses following technical scheme:
A kind of DC power supply tap terminals row, DC power supply are attached by direct current cables and terminal block, the terminal
Row includes that insulating panel, copper tip, copper are shorted piece and crimp, the copper tip number be it is multiple, positive polar region includes several
The copper tip, cathode area include that several described copper tips, the positive polar region and the cathode area are separated by insulation barrier,
Each copper tip is embedded in the insulating panel, and two adjacent copper tips pass through the short circuit piece and described
Crimp is connected to and is fixed.
Further, the direct current cables includes positive cable core and cathode cable core, the copper tip of positive polar region with it is described
Positive cable core connection, the copper tip in cathode area are connect with cathode cable core.
Further, the copper tip shape is round thread column, and the material of the copper tip is copper.
Further, it is ellipse that the copper, which is shorted plate shape, and the both ends that the copper is shorted piece are equipped with through-hole, the copper end
Son runs through the through-hole, and the copper tip is equipped with screw thread.
Further, the crimp is nut, and the nut and the copper tip are correspondingly connected with by screw thread.
Further, the copper tip of positive polar region and the copper tip in cathode area are corresponding with air switch respectively connects
It connects.
The beneficial effects of the utility model are:
1, the utility model provides a kind of DC power supply tap terminals row, shields multiple secondary device energy common DCs in cabinet
Power supply, a screen cabinet, which only needs to connect, in substation draws a direct current cables, avoids more cables in previous screen cabinet and piles up phenomenon, reduces
Electric cable heating causes the risk of fire, improves the safety of equipment operation so that the operation of substation, maintenance can it is succinct,
Efficiently.
2, the utility model provides a kind of DC power supply tap terminals row, and the copper tip in positive polar region and cathode area passes through short
Contact pin is connected to and is fixed with crimp, by way of this terminal short circuit, so that short-circuited terminal is with equal electricity in terminal block
, the one end of the power input of the secondary device in electrical cubicle by short leg respectively with the air switch in screen cabinet connects
It connects, the corresponding air switch of a secondary device facilitates exiting and putting into operation for device, so that the corresponding air of each secondary device
The suitable for reading of switch has equipotential.
3, the utility model provides a kind of DC power supply tap terminals row, and DC power supply passes through direct current cables and terminal block
It is attached, copper tip is divided into positive polar region and cathode area, positive polar region connects positive pole, and cathode area connects power cathode, improves
The space utilization rate of secondary screen cabinet in substation, reduces the usage amount of direct current cables, has saved substation's Installed capital cost,
Achieve the purpose that reduce cable laying and usage quantity, the reduction of cable usage amounts, unit in charge of construction's cable laying workload also with
Reduction, be conducive to shorten substation's construction period.The efficiency for improving the maintenance of cable O&M simultaneously, improves the warp of substation
Ji property and safety.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that the DC power supply tap terminals of the utility model are arranged；
Fig. 2 is the insulating panel of the utility model and the connection schematic diagram of copper tip；
Fig. 3 is that the copper of the utility model is shorted the structural schematic diagram of piece；
Fig. 4 is the structural schematic diagram of the crimp of the utility model；
Fig. 5 is the secondary device DC power supply circuit schematic diagram of the utility model.
Appended drawing reference:
1, terminal block, 2, copper tip, 3, copper short circuit piece, 4, crimp, 5, insulating panel, 6, direct current cables, 7, insulation stop
Plate, 8, through-hole, 9, mouth under air switch, 10, secondary device, 11, air switch it is suitable for reading.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
The technical solution of the utility model embodiment is clearly and completely described in the attached drawing of type embodiment.Obviously, described
Embodiment is a part of the embodiment of the utility model, instead of all the embodiments.Based on described the utility model
Embodiment, those of ordinary skill in the art's every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment 1
As shown in Figure 1, a kind of DC power supply tap terminals row, DC power supply are connected by direct current cables 6 with terminal block 1
Connect, the terminal block 1 includes that insulating panel 5, copper tip 2, copper are shorted piece 3 and crimp 4,2 number of copper tip be it is multiple,
Label " 1,2 ..., n " are carried out by Arabic numerals ascending order to copper tip 2.
Wherein: several copper tips 2 are set as positive polar region, connecting the anode of DC power supply in the future；In addition several copper tips are set
Be set to cathode area, connect the cathode of DC power supply in the future, copper tip label number with need DC power supply to supply in electrical cubicle
The quantity of the secondary device of electricity is related.
Embodiment 2
As shown in Figure 2, Figure 3, Figure 4, embodiment 2 is improvement on that basis of example 1, unlike the first embodiment: institute
It states positive polar region and the cathode area and separation insulation is carried out by insulation barrier 7, each copper tip 2 is embedded in the insulation
In panel 5, the copper tip 2 of adjacent two is shorted piece 3 by the copper and is connected to and is fixed with the crimp 4.
Wherein: the shape that the copper is shorted piece 3 is ellipse, and the both ends that the copper is shorted piece 3 are equipped with through-hole 8, and copper is shorted
The material of piece 3 is copper, and 2 shape of copper tip is round thread column, and the material of the copper tip is copper.On the copper tip 2
Equipped with screw thread.Copper tip 2 and copper are shorted the connection type of piece 3 are as follows: the copper tip 2 is inserted into the through-hole 8, runs through the through-hole
8, it is connected to so that copper tip 2 is shorted piece 3 with copper, the crimp 4 is nut, and the nut and the copper tip 2 are logical
It crosses screw thread to be correspondingly connected with, crimp 4 is threadedly coupled by the screw thread inside nut with the screw thread of the copper tip 2, by copper
Terminal 2 is fixed.
DC power supply is connected to the copper tip in the positive polar region of terminal block and the region in cathode area by a direct current cables 6 and appoints
It anticipates at a terminal, is fixed by crimp 4.Wherein, include two cores in a direct current cables, be positive respectively
Pole cable core and cathode cable core, the copper tip of positive polar region connects with the positive cable core, the copper tip in cathode area with bear
The connection of pole cable core.By this terminal connection type, so that the copper tip in terminal block has equipotential.A screen in substation
Cabinet, which only needs to connect, draws a direct current cables, avoids more cables in previous screen cabinet and piles up phenomenon, reduces electric cable heating and cause fire
Risk, the safety of equipment operation is improved, so that the operation of substation, maintenance can be succinct, efficiently.
Embodiment 3
As shown in figure 5, embodiment 3 is improvement on the basis of embodiment 2, as different from Example 2:
The positive copper tip of polar region and the copper tip in cathode area are correspondingly connected with air switch respectively, electric power screen
Each electrical secondary equipment power input is connected to each air switch in screen cabinet by short leg in cabinet.One secondary device 10
A corresponding air switch, facilitates exiting and putting into operation for secondary device, mouth 9 is correspondingly connected to secondary device under each air switch
Power input, suitable for reading the 11 of air switch be connected to the positive polar region in terminal block, cathode area copper tip 2 at.By this
Mode, so that suitable for reading the 11 of secondary device air switch have equipotential.
Embodiment 4
Embodiment 4 is improvement on the basis of embodiment 3, as different from Example 3:
The tapping method of DC power supply tap terminals row, comprising the following steps:
Step 1: by the power input of the secondary device in electrical cubicle by short leg respectively with screen cabinet in air
9 one end of lower mouth connection of switch, the corresponding air switch of a secondary device；
Step 2: the DC power supply outside electrical cubicle being connected to the positive polar region of terminal block by a direct current cables and is born
At arbitrary two copper tips in the region of polar region, the copper tip of positive polar region is connect with positive cable core, the copper tip in cathode area
It is connect with cathode cable core, copper tip and cable core are fixed by crimp；
Step 3: the copper tip of the positive polar region and cathode area of the other end of air switch place suitable for reading and terminal block is connected
It connects, guarantees that secondary device has equipotential at air switch suitable for reading 11.
Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, this field
Other modifications or equivalent replacement that those of ordinary skill makes the technical solution of the utility model, it is practical without departing from this
The spirit and scope of new technique scheme should all cover in the scope of the claims of the utility model.
The above is only the preferred embodiments of the utility model, are not intended to limit the utility model, for this field
Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model,
Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of DC power supply tap terminals row, it is characterised in that: DC power supply is attached by direct current cables and terminal block,
The terminal block includes insulating panel, copper tip, copper short circuit piece and crimp, and the copper tip number is multiple, positive polar region packet
Several copper tips are included, cathode area includes several described copper tips, and the positive polar region and the cathode area pass through insulation
Baffle separation, each copper tip are embedded in the insulating panel, and two adjacent copper tips pass through the copper
Piece is shorted to be connected to and fixed with the crimp.
2. a kind of DC power supply tap terminals row according to claim 1, it is characterised in that: the direct current cables includes just
Pole cable core and cathode cable core, the copper tip of positive polar region connects with the positive cable core, the copper tip in cathode area with bear
The connection of pole cable core.
3. a kind of DC power supply tap terminals row according to claim 1, it is characterised in that: the copper tip shape is circle
Shape threaded post, the material of the copper tip are copper.
4. a kind of DC power supply tap terminals row according to claim 1, it is characterised in that: the copper is shorted plate shape and is
Ellipse, the both ends that the copper is shorted piece are equipped with through-hole, and the copper tip runs through the through-hole, and the copper tip is equipped with screw thread.
5. a kind of DC power supply tap terminals row according to claim 4, it is characterised in that: the crimp is nut,
The nut and the copper tip are correspondingly connected with by screw thread.
6. a kind of DC power supply tap terminals row according to claim 1, it is characterised in that: the copper tip of positive polar region
It is correspondingly connected with respectively with air switch with the copper tip in cathode area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822218578.0U CN209045795U (en) | 2018-12-27 | 2018-12-27 | A kind of DC power supply tap terminals row |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822218578.0U CN209045795U (en) | 2018-12-27 | 2018-12-27 | A kind of DC power supply tap terminals row |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209045795U true CN209045795U (en) | 2019-06-28 |
Family
ID=67044872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822218578.0U Active CN209045795U (en) | 2018-12-27 | 2018-12-27 | A kind of DC power supply tap terminals row |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209045795U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109494493A (en) * | 2018-12-27 | 2019-03-19 | 国家电网有限公司 | A kind of DC power supply tap terminals row and tapping method |
-
2018
- 2018-12-27 CN CN201822218578.0U patent/CN209045795U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109494493A (en) * | 2018-12-27 | 2019-03-19 | 国家电网有限公司 | A kind of DC power supply tap terminals row and tapping method |
| CN109494493B (en) * | 2018-12-27 | 2024-04-05 | 国家电网有限公司 | Direct-current power supply tapping terminal strip and tapping method |
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