CN204633270U - A kind of New insulated cover - Google Patents

A kind of New insulated cover Download PDF

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Publication number
CN204633270U
CN204633270U CN201520351663.8U CN201520351663U CN204633270U CN 204633270 U CN204633270 U CN 204633270U CN 201520351663 U CN201520351663 U CN 201520351663U CN 204633270 U CN204633270 U CN 204633270U
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CN
China
Prior art keywords
insulating cover
switchgear
copper bar
utility
shape groove
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.)
Expired - Fee Related
Application number
CN201520351663.8U
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Chinese (zh)
Inventor
钱叶军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ANHUI MINGYUAN POWER EQUIPMENT MANUFACTURE Ltd
Original Assignee
ANHUI MINGYUAN POWER EQUIPMENT MANUFACTURE Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ANHUI MINGYUAN POWER EQUIPMENT MANUFACTURE Ltd filed Critical ANHUI MINGYUAN POWER EQUIPMENT MANUFACTURE Ltd
Priority to CN201520351663.8U priority Critical patent/CN204633270U/en
Application granted granted Critical
Publication of CN204633270U publication Critical patent/CN204633270U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of New insulated cover, to be arranged in power switchgear on a bus bar copper row (4), described insulating cover (5) is " U " shape groove structure, on described " U " shape groove inner bottom surface, be provided with two boss (6), described copper bar (4) is fixedly mounted on boss (6) by bolt (8).Adopt technique scheme, improve the electrical property of insulating cover, as insulation property, ageing resistace etc.; The structure of insulating cover is simple, easy for installation; Operation maintenance is convenient; Thus improve the operational reliability of switchgear.

Description

A kind of New insulated cover
Technical field
The utility model belongs to the technical field of power switchgear.More specifically, the utility model relates to a kind of New insulated cover be applied in switchgear on a bus.
Background technology
Along with the continuous progress of switchgear technology, be adapt to economic development development need, switching devices requires small simultaneously, reduces and takes up an area, and saves the manufacture of capital construction cost and switchgear, installation, operation expense.As everyone knows, switchgear after realizing miniaturization, greatly reduce alternate, relatively between safe distance, the switchgear decreasing insulating using air as dielectric, makes switchgear there is security of operation hidden danger like this.
At present, megohmite insulant, by the technological means of compound inslation, namely lays on copper bar surface in most of switchgear manufacturer, and megohmite insulant many employings heat-shrinkable T bush, improves the insulation property of switchgear with this, guarantee the safe operation of switchgear.
As depicted in figs. 1 and 2, prior art adopts heat-shrinkable T bush as megohmite insulant, for single-phase copper bar, be implemented as follows: copper bar 1 is inserted in shaping front heat-shrinkable T bush 2, put into baking oven baking again, shaping front heat-shrinkable T bush 2 is through baking after-contraction, and become shaping rear thermoplastic pipe box 3, described shaping rear thermoplastic pipe box 3 is tightly coated on the surface of copper bar 1.Adopt heat-shrinkable T bush as compound inslation material, in actual laid processes, if following problem easily appears in misoperation or long-time running:
1, easily produce uneven thickness: contractive effect uneven and time impact caused different in size by temperature of heat-shrinkable T bush, heat-shrinkable T bush is uneven in the applied thickness on copper bar surface;
2, easily there is hollowing: by the impact of copper bar surface cleanness (as impurity such as dusts) and copper bar surface imperfection shape, lay rear heat-shrinkable T bush and easily occur bulge, thus cause partial discharge;
3, easily aging: by the impact of running environment (temperature, humidity, dust etc.), heat-shrinkable T bush is easily aging, there is decomposition, sclerosis, be full of cracks, cause decreasing insulating or scatter and disappear;
4, cracky: lay the copper bar after heat-shrinkable T bush in installation process, if misoperation, easily damaged by hard object, cause decreasing insulating or scatter and disappear;
5, safeguard loaded down with trivial details: switchgear is in operation maintenance process, if the heat-shrinkable T bush on copper bar surface need lay again, switchgear needs long-time stoppage in transit, and workload is large, cost is high.
Utility model content
The utility model provides a kind of New insulated cover, its objective is improve in switchgear alternate and relatively between insulation level.
To achieve these goals, the technical scheme that the utility model is taked is:
New insulated cover of the present utility model, be arranged in power switchgear on a bus bar copper row, described insulating cover is " U " shape groove structure, on described " U " shape groove inner bottom surface, be provided with two boss, described copper bar is mounted by means of bolts on boss.
Described " U " shape groove opening down.
Or the opening of described " U " shape groove is towards any direction between vertical guide and horizontal plane.
The material of described insulating cover is epoxy resin.
The utility model adopts technique scheme, improves the electrical property of insulating cover, as insulation property, ageing resistace etc.; The structure of insulating cover is simple, easy for installation; Operation maintenance is convenient; Thus improve the operational reliability of switchgear.
Accompanying drawing explanation
Here is the brief description to marking in content shown in accompanying drawing and figure:
Fig. 1 is that copper bar of the prior art lays the shaping front schematic diagram of heat-shrinkable T bush;
Fig. 2 be copper bar of the prior art lay heat-shrinkable T bush shaping after schematic diagram;
Fig. 3 is the schematic diagram of insulating cover of the present utility model and copper installation state;
Fig. 4 is insulating cover inside grooves structural representation of the present utility model;
Fig. 5 is insulating cover of the present utility model and copper bar assembly relation decomposing schematic representation;
Fig. 6 is the position view after insulating cover of the present utility model and copper installation.
Be labeled as in figure:
1, copper bar, 2, shaping front thermoplastic pipe box, 3, shaping rear thermoplastic pipe box, 4, copper bar, 5, insulating cover, 6, boss, 7, boss installing hole, 8, bolt, 9, copper installation hole.
Embodiment
Contrast accompanying drawing below, by the description to embodiment, embodiment of the present utility model is described in further detail, have more complete, accurate and deep understanding to help those skilled in the art to inventive concept of the present utility model, technical scheme.
Structure of the present utility model expressed as shown in Figure 1, Figure 2, be applied to 3.6 ~ 40.5kV switchgear, for a kind of New insulated cover, to be arranged in power switchgear on a bus (i.e. copper bar 4), Main Function be improve in switchgear alternate and relatively between insulation level, thus improve switchgear operational reliability
In order to solve prior art Problems existing and overcome its defect, realize improving in switchgear alternate and relatively between the goal of the invention of insulation level, the technical scheme that the utility model is taked is:
As shown in Figures 3 to 6, New insulated cover 5 of the present utility model is " U " shape groove structure, and on described " U " shape groove inner bottom surface, be provided with two boss 6, described copper bar 4 is fixedly mounted on boss 6 by bolt 8.
Described " U " shape groove opening down.Or the opening of described " U " shape groove is towards any direction between vertical guide and horizontal plane.Namely require to ensure not easily to produce dust accretions and condensation accumulated water in " U " shape groove.
As shown in Figure 3, the insulating cover 5 that the utility model adopts the megohmite insulant of compound inslation to make, replaces heat-shrinkable T bush, is directly installed on copper bar 4, eliminate the many drawback switching devices of heat-shrinkable T bush and run the potential safety hazard produced, thus improve switchgear insulation property.
This utility model adopts technique scheme to have following outstanding feature: 1, good electrical property, as insulation property, ageing resistace etc.; 2, structure is simple, easy for installation; 3, operation maintenance is convenient; 4, the operational reliability of switchgear is improved.
The material of described insulating cover 5 is epoxy resin.
As shown in Figure 4, insulating cover 5 adopts the epoxy resin identical with switchgear main insulation material, by the disposable compression molding of APG pouring technology, insulation property and ageing resistace good.This New insulated cover profile in " U " type unenclosed construction, and is provided with two boss 6 in " U " type groove, between insulating cover 5 and copper bar 4, leave ventilation gap; Reserved boss installing hole 7 on boss 6, copper bar 4 is provided with copper installation hole 9, is directly installed on copper bar 4 by insulating cover 5 by bolt 8.
The utilization of the utility model on switchgear, specific implementation is as follows:
1, as shown in Figure 3, because insulating cover 5 is in " U " type unenclosed construction, switchgear installation, debugged and in switchgear cleaning terminate after, installing insulating cover 5 again, avoid operating personnel like this in Installation and Debugging process, leave the impurity such as dust, moisture on the surface of insulating cover or cause insulating cover damaged, affect the insulation property of insulating cover.
2, as shown in Figure 5, the installation method of insulating cover 5: first reserve copper installation hole 9 in the relevant position of copper bar 4, and adapt with the pitch-row of the boss installing hole 7 on insulating cover 5, more directly copper bar 4 and insulating cover 5 are connected to form an entirety by bolt 8.
3, as shown in Figure 5, Figure 6, day-to-day operation maintaining method: switching devices carry out day-to-day operation safeguard time, need dust removal operation be carried out, owing to leaving a fixed gap between copper bar 4 and insulating cover 5, in cabinet, dust removal operation can be carried out to copper bar 4 and insulating cover 5 surface; Also can unclamp bolt 8, after taking off insulating cover 5, more respectively dust removal operation be carried out to copper bar 4 and insulating cover 5, operate easily more next.
4, as shown in Figure 5, Figure 6, insulation property of the present utility model: because insulating cover 5 adopts " U " type unenclosed construction, be in semiclosed form, easily form cross-ventilation, on the surface of copper bar 4 and insulating cover 5, not easily produce condensation like this, thus reduce the insulation breakdown of copper bar 4 pairs of insulating covers 5.
By reference to the accompanying drawings the utility model is exemplarily described above; obvious the utility model specific implementation is not subject to the restrictions described above; as long as have employed the improvement of the various unsubstantialities that method of the present utility model is conceived and technical scheme is carried out; or design of the present utility model and technical scheme directly applied to other occasion, all within protection range of the present utility model without to improve.

Claims (4)

1. a New insulated cover, to be arranged in power switchgear on a bus bar copper row (4), it is characterized in that: described insulating cover (5) is " U " shape groove structure, on described " U " shape groove inner bottom surface, be provided with two boss (6), described copper bar (4) is fixedly mounted on boss (6) by bolt (8).
2. according to New insulated cover according to claim 1, it is characterized in that: described " U " shape groove opening down.
3. according to New insulated cover according to claim 1, it is characterized in that: the opening of described " U " shape groove is towards any direction between vertical guide and horizontal plane.
4. according to New insulated cover according to claim 1, it is characterized in that: the material of described insulating cover (5) is epoxy resin.
CN201520351663.8U 2015-05-27 2015-05-27 A kind of New insulated cover Expired - Fee Related CN204633270U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520351663.8U CN204633270U (en) 2015-05-27 2015-05-27 A kind of New insulated cover

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520351663.8U CN204633270U (en) 2015-05-27 2015-05-27 A kind of New insulated cover

Publications (1)

Publication Number Publication Date
CN204633270U true CN204633270U (en) 2015-09-09

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520351663.8U Expired - Fee Related CN204633270U (en) 2015-05-27 2015-05-27 A kind of New insulated cover

Country Status (1)

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CN (1) CN204633270U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110729634A (en) * 2019-09-11 2020-01-24 天津平高智能电气有限公司 Bus supporting insulator and switch cabinet

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110729634A (en) * 2019-09-11 2020-01-24 天津平高智能电气有限公司 Bus supporting insulator and switch cabinet

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150909