CN204793904U - 10kV wiring cabinet cable fixing device - Google Patents
10kV wiring cabinet cable fixing device Download PDFInfo
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- CN204793904U CN204793904U CN201520536685.1U CN201520536685U CN204793904U CN 204793904 U CN204793904 U CN 204793904U CN 201520536685 U CN201520536685 U CN 201520536685U CN 204793904 U CN204793904 U CN 204793904U
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Abstract
The utility model discloses a 10kV wiring cabinet cable fixing device, which comprises a mounting bas, be equipped with the cable fixed plate on the mount pad, be equipped with three installation of cable hole on the cable fixed plate, be equipped with the connecting hole on the mount pad, each installation of cable hole is measure -alike, and installation of cable hole equipartition is on the cable fixed plate, and the line of centres in three installation of cable hole constitutes an equilateral triangle. A plurality of cable fixing device can use simultaneously, and when walking the line in the cabinet, sufficient air gap has been guaranteed to have remained throughout in the installation of cable hole of the centre -to -centre spacing setting such as three on the cable fixed plate between the cable, can promote cable partial discharge's initial voltage, stopped between the cable because not evenly distributed the electric field and white attachment appears to guarantee electrical safety.
Description
Technical field
The utility model relates to field of electrical equipment, specifically a kind of 10kV wiring cabinet cable fixture.
Background technology
Large-scale industrial and mineral, manufacture, thermal power generation corporations are enterprises that need for electricity is very large, and from power consumption equipment, the power load of suitable vast scale is blower fan, pump-type load.High voltage converter is widely used because of the characteristic of its efficient energy-saving in this type of enterprise.And these 10kV electric devices have employed ethylene-propylene rubber cable in a large number because requiring high to cable buckling performance, this cable three phase separation lacks, lack unified phase insulation design, when equipment such as a lot of enterprises long-time running high voltage converters, irregular in the wiring of cabinet inner cable, because a large amount of white attachments appears in partial discharge between cable three-phase, insulating performance of cable if things go on like this will be made to be deteriorated gradually, and local defect may develop into short circuit accident.
The generation of partial discharge is determined by the electric field strength at electric discharge position, especially in insulation system during non-uniform electric, makes regional area electric field too concentrate and partial discharge occurs.In the cabinet of the devices such as traditional high voltage converter, cabling is the mode of free arrangement colligation, this cabling mode colligation point surrounding cables arrangement out-of-flatness, the air gap that width differs easily is had between cable, have electric field around unit cable, add the spacing of two cables change, to form uneven electric field, in the region that cable is too concentrated, there is very high voltage difference between cable, under the effect of high field intensity, slight partial discharge occurs, make cable discharge part produce white attachment.
Utility model content
Goal of the invention: technical problem to be solved in the utility model is to provide a kind of 10kV wiring cabinet cable fixture, for the also needs such as cabinet, access of high voltage converter, multiple cable fixture is installed in cabinet make between cable, to remain enough air gaps, thus avoid the partial discharge phenomenon produced in long-time running, stop insulation safety hidden danger.
Technical scheme: a kind of 10kV wiring cabinet cable fixture, comprise mount pad, described mount pad is provided with cable fixed plate, and cable fixed plate is provided with three cable installing holes, and described mount pad is provided with connecting hole; Each cable installing hole described is measure-alike, and cable installing hole is distributed on cable fixed plate, and the line of centres of three cable installing holes forms an equilateral triangle.Multiple cable fixture can use simultaneously, in cabinet during cabling, the cable installing hole that the centre-to-centre spacing such as three on cable fixed plate is arranged ensure that and remains enough air gaps between cable, the initial voltage of cable local discharge can be promoted, stop to occur white attachment because of the electric field of uneven distribution between cable, thus ensured electrical safety.
Further, the minimum range between adjacent cable installing hole outer edge is not less than 2 centimetres, ensures there are enough air gaps between cable, stops partial discharge phenomenon.
Further, described mount pad and cable fixed plate are mutually vertical to be arranged, and when multiple cable fixture uses simultaneously, can ensure the depth of parallelism of many cable routings.
Further, be provided with insulating sleeve in described cable installing hole, protection cable sheath, avoids the hard grind between cable and cable installing hole to wipe the problem causing cable skin to damage.
Beneficial effect: a kind of 10kV wiring cabinet cable fixture of the present utility model, can ensure that cabtyre cable is satisfied all the time during cabling in cabinet and between homophase, not have the spacing being not less than 0.5 centimetre, partial discharge inception voltage between cable raises, thus ensure to produce white attachment because of partial discharge at the devices such as high-pressure frequency-conversion cabinet inner cable in long-time running, extend cable useful life, eliminate insulation safety hidden danger.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is that the utility model installs and uses schematic diagram.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
A kind of 10kV wiring cabinet cable fixture as shown in Figure 1 and Figure 2, comprise mount pad 1, mount pad 1 is provided with cable fixed plate 2, mount pad 1 is arranged with cable fixed plate 2 is mutually vertical, when multiple cable fixture uses simultaneously, the depth of parallelism of many cable routings can be ensured.Cable fixed plate 2 has three cable installing holes 3, mount pad 1 has connecting hole 4, connecting hole 4 is for coupling together cable fixture and wiring cabinet; Each cable installing hole 3 measure-alike, cable installing hole 3 is distributed on cable fixed plate 2, the line of centres of three cable installing holes 3 forms an equilateral triangle, minimum range between adjacent cable installing hole 3 outer edge is not less than 2 centimetres, ensure there are enough air gaps between cable, stop partial discharge phenomenon.Multiple cable fixture can use simultaneously, in cabinet during cabling, the cable installing hole 3 that the centre-to-centre spacing such as three on cable fixed plate 2 is arranged ensure that and remains enough air gaps between cable, the initial voltage of cable local discharge can be promoted, stop to occur white attachment because of the electric field of uneven distribution between cable, thus ensured electrical safety.In cable installing hole 3, also can arrange insulating sleeve 5, insulating sleeve can be quality of rubber materials, in order to protect cable sheath, avoids the hard grind between cable and cable installing hole 3 to wipe the problem causing cable skin to damage.
As shown in Figure 3, multiple 10kV wiring cabinet cable fixture of the present utility model is bolted on wiring cabinet wall 6, cable 7 is each passed through the cable installing hole 3 on each cable fixed plate 2, keep identical to make the distance between each cable 7, and be parallel to each other, between cable 7, remain enough air gaps, the initial voltage of cable 7 partial discharge can be promoted, stop to occur white attachment because of the electric field of uneven distribution between cable 7, thus ensured electrical safety.
A kind of 10kV wiring cabinet cable fixture of the present utility model, can adopt the mode of casting or welding to manufacture, and because its structure is simple, when production in enormous quantities adopts said method to manufacture, can ensure output, and low cost of manufacture; Can ensure that cabtyre cable is satisfied all the time during cabling in wiring cabinet in use and between homophase, not have the spacing being not less than 0.5 centimetre, partial discharge inception voltage between cable raises, thus ensure to produce white attachment because of partial discharge at the devices such as high-pressure frequency-conversion cabinet inner cable in long-time running, extend cable useful life, eliminate insulation safety hidden danger.
Below be only preferred implementation of the present utility model; be noted that for those skilled in the art; under the prerequisite not departing from the utility model principle, can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (4)
1. a 10kV wiring cabinet cable fixture, is characterized in that: comprise mount pad, described mount pad is provided with cable fixed plate, and cable fixed plate is provided with three cable installing holes, and described mount pad is provided with connecting hole; Each cable installing hole described is measure-alike, and cable installing hole is distributed on cable fixed plate, and the line of centres of three cable installing holes forms an equilateral triangle.
2. 10kV wiring cabinet cable fixture according to claim 1, is characterized in that: the minimum range between adjacent cable installing hole outer edge is not less than 2 centimetres.
3. 10kV wiring cabinet cable fixture according to claim 1, is characterized in that: described mount pad and cable fixed plate are mutually vertical to be arranged.
4. 10kV wiring cabinet cable fixture according to claim 1, is characterized in that: be provided with insulating sleeve in described cable installing hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520536685.1U CN204793904U (en) | 2015-07-22 | 2015-07-22 | 10kV wiring cabinet cable fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520536685.1U CN204793904U (en) | 2015-07-22 | 2015-07-22 | 10kV wiring cabinet cable fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204793904U true CN204793904U (en) | 2015-11-18 |
Family
ID=54533888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520536685.1U Active CN204793904U (en) | 2015-07-22 | 2015-07-22 | 10kV wiring cabinet cable fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204793904U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110635402A (en) * | 2019-09-30 | 2019-12-31 | 广州供电局有限公司 | Cable auxiliary swing device and method |
-
2015
- 2015-07-22 CN CN201520536685.1U patent/CN204793904U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110635402A (en) * | 2019-09-30 | 2019-12-31 | 广州供电局有限公司 | Cable auxiliary swing device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 210016 No. 311-1 Shandong Road, Xuanwu District, Nanjing City, Jiangsu Province Patentee after: Ziquan Energy Technology Co., Ltd Address before: 210000 Jiangsu province Nanjing city Zhongshan Road No. 311-1 East Building, Nanjing Electric Power Design Consulting Co., Ltd. Ziquan Patentee before: Nanjing Ziquan Electric Power Design Consulting Co., Ltd. |
|
| CP03 | Change of name, title or address |