CN204030288U - A kind of 40.5kV switch cubicle three shielding small size contact boxs - Google Patents
A kind of 40.5kV switch cubicle three shielding small size contact boxs Download PDFInfo
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- CN204030288U CN204030288U CN201420498038.1U CN201420498038U CN204030288U CN 204030288 U CN204030288 U CN 204030288U CN 201420498038 U CN201420498038 U CN 201420498038U CN 204030288 U CN204030288 U CN 204030288U
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- contact
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Abstract
The utility model discloses a kind of 40.5kV switch cubicle three shielding small size contact boxs, comprise three shielding insulation structures, high-voltage busbar and epoxy resin, three shielding insulation structures comprise earth shield, high-voltage contact shielding and the shielding of high-voltage busbar screw, earth shield connects the installation steel plate of contact box, high-voltage contact shielding is all connected high-voltage busbar with the shielding of high-voltage busbar screw, and high-voltage busbar is connected with high pressure fixed contact, high pressure Mume flower contact and high pressure contact arm, epoxy resin is full of whole contact box.The utility model is provided with three place's shielding constructions, most of voltage is born by epoxy resin insulation material, comparatively existing product good insulation preformance, content of epoxy resin reduces about 40% than existing product, cost is low, and size is little, and is hermetically-sealed construction between box of the present utility model, both eliminate small air gap, improve insulating reliability again.
Description
Technical field
The utility model relates to a kind of vacuum pressure gelation technology of insulating material epoxy resin, specifically a kind of 40.5kV switch cubicle three shielding small size contact boxs.
Background technology
In 40.5kV switchgear and switch cubicle, conventional form mainly contains fixed switching cabinet and handcart switch cabinet, and current handcart switch cabinet, because its size is little, be convenient to the features such as maintenance, is becoming the main flow equipment of 40.5kV switch cubicle.
Handcart switch cabinet is pressed in existing 40.5kV, the insulation assembly of contact box as disposable separating plug is used in capital, the general each interval of this assembly uses six contact boxs, this contact box is epoxy resin and builds shaping, the contact box of existing 40.5kV switch cubicle, exists that size is large, content of epoxy resin is large, do not have inner shield or inner shield is unreasonable, insulate the defect such as unreliable.
Utility model content
The purpose of this utility model is to provide the 40.5kV switch cubicle that a kind of insulating reliability is high, dielectric utilance is high three shielding small size contact boxs, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of 40.5kV switch cubicle three shielding small size contact boxs, comprise three shielding insulation structures, high-voltage busbar, epoxy resin, high pressure fixed contact, high pressure Mume flower contact and high pressure contact arm, described three shielding insulation structures comprise earth shield, high-voltage contact shielding and the shielding of high-voltage busbar screw, earth shield connects the installation steel plate of contact box, high-voltage contact shielding is all connected high-voltage busbar with the shielding of high-voltage busbar screw, and high-voltage busbar connects high pressure fixed contact, high pressure Mume flower contact and high pressure contact arm, described epoxy resin is full of whole contact box;
It is hermetically-sealed constructions that described 40.5kV switch cubicle shields between the box of small size contact boxs with three, in switch cubicle, every isolated plug insulation assembly comprises upper contact head box, lower contact box, circuit breaker, the busbar of bus-bar room and cable vault's busbar, described upper contact head box and lower contact box to be arranged on after switch cubicle front mounting plate and switch cubicle on mounting panel respectively, described bus-bar room busbar connects the high-voltage busbar in upper contact head box, the high-voltage busbar other end in upper contact head box is successively by the high pressure fixed contact in upper contact head box, high pressure Mume flower contact in upper contact head box and the high pressure contact arm connecting breaker in upper contact head box, the circuit breaker other end connects the high pressure contact arm in lower contact box successively, high pressure fixed contact in high pressure Mume flower contact in lower contact box and lower contact box, the high pressure fixed contact other end in lower contact box is by the high-voltage busbar stube cable room busbar in lower contact box.
As further program of the utility model: described earth shield is earth potential, described high-voltage contact shielding and the shielding of high-voltage busbar screw are all high potentials.
As the utility model further scheme: described high-voltage contact shielding is the high-pressure side contact shielding in high potential, and the shielding of high-voltage busbar screw is the high-voltage side bus ground shield in high potential.
Compared with prior art, the beneficial effects of the utility model are:
The utility model is provided with three place's shielding constructions, most of voltage is born by epoxy resin insulation material, comparatively existing product good insulation preformance, content of epoxy resin reduces about 40% than existing product, cost is low, and size is little, and is hermetically-sealed construction between box of the present utility model, both eliminate small air gap, improve insulating reliability again.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is that the utility model is for the catenation principle figure in switch cubicle.
In figure: 1-earth shield; 2-high-voltage contact shields; 3-high-voltage busbar screw shields; 4-high-voltage busbar; 5-epoxy resin; Mounting panel after 6-switch cubicle; 7-switch cubicle front mounting plate; 8-high pressure fixed contact; 9-high pressure Mume flower contact; 10-high pressure contact arm; 11-circuit breaker; 12-bus-bar room busbar; 13-cable vault busbar.
Embodiment
Be described in more detail below in conjunction with the technical scheme of embodiment to this patent.
Refer to Fig. 1-2, a kind of 40.5kV switch cubicle three shielding small size contact boxs, comprise three shielding insulation structures, high-voltage busbar 4, epoxy resin 5, high pressure fixed contact 8, high pressure Mume flower contact 9 and high pressure contact arm 10, described three shielding insulation structures comprise earth shield 1, high-voltage contact shielding 2 and high-voltage busbar screw shielding 3, described earth shield 1 is earth potential, earth shield 1 connects the installation steel plate of contact box, described high-voltage contact shielding 2 is the high-pressure side contact shieldings in high potential, high-voltage contact shielding 2 connects high-voltage busbar 4, described high-voltage busbar screw shielding 3 is the high-voltage side bus ground shield in high potential, high-voltage busbar screw shielding 3 connects high-voltage busbar 4, described three shielding insulation structures make each have shielding to the influential key point of Electric Field Distribution, its Main Function is the inner shield having added uniform electric field effect in epoxy resin 5, electric field is introduced in the higher epoxy resin of dielectric strength 5, reduce the electric field that the not high air of dielectric strength is born as far as possible, voltage is allowed to bear primarily of epoxy resin 5, the utilization ratio of epoxy resin 5 as dielectric can be improved, can insulating reliability be improved again, described high-voltage busbar 4 connects high pressure fixed contact 8, high pressure Mume flower contact 9 and high pressure contact arm 10, and described epoxy resin 5 is full of whole contact box.
It is hermetically-sealed constructions that 40.5kV switch cubicle shields between the box of small size contact boxs with three, in switch cubicle, every isolated plug insulation assembly comprises upper contact head box, lower contact box, circuit breaker 11, bus-bar room busbar 12 and cable vault's busbar 13, described upper contact head box and lower contact box to be arranged on after switch cubicle front mounting plate 6 and switch cubicle on mounting panel 7 respectively, described bus-bar room busbar 12 connects the high-voltage busbar 4 in upper contact head box, high-voltage busbar 4 other end in upper contact head box is successively by the high pressure fixed contact 8 in upper contact head box, high pressure Mume flower contact 9 in upper contact head box and high pressure contact arm 10 connecting breaker 11 in upper contact head box, circuit breaker 11 other end connects the high pressure contact arm 10 in lower contact box successively, high pressure fixed contact 8 in high pressure Mume flower contact 9 in lower contact box and lower contact box, high pressure fixed contact 8 other end in lower contact box is by the high-voltage busbar 4 stube cable room busbar 13 in lower contact box.
The utility model is provided with three place's shielding constructions, most of voltage is born by epoxy resin 5 insulating material, comparatively existing product good insulation preformance, epoxy resin 5 amount ratio existing product reduces about 40%, cost is low, and size is little, and is hermetically-sealed construction between box of the present utility model, both eliminate small air gap, improve insulating reliability again.
Above the better embodiment of this patent is explained in detail, but this patent is not limited to above-mentioned execution mode, in the ken that one skilled in the relevant art possesses, various change can also be made under the prerequisite not departing from this patent aim.
Claims (3)
1. 40.5kV switch cubicle three shielding small size contact boxs, comprise three shielding insulation structures, high-voltage busbar (4), epoxy resin (5), high pressure fixed contact (8), high pressure Mume flower contact (9) and high pressure contact arm (10), it is characterized in that, described three shielding insulation structures comprise earth shield (1), high-voltage contact shielding (2) and high-voltage busbar screw shielding (3), earth shield (1) connects the installation steel plate of contact box, high-voltage contact shielding (2) is all connected high-voltage busbar (4) with high-voltage busbar screw shielding (3), and high-voltage busbar (4) connects high pressure fixed contact (8), high pressure Mume flower contact (9) and high pressure contact arm (10), described epoxy resin (5) is full of whole contact box,
It is hermetically-sealed constructions that described 40.5kV switch cubicle shields between the box of small size contact boxs with three, in switch cubicle, every isolated plug insulation assembly comprises upper contact head box, lower contact box, circuit breaker (11), bus-bar room busbar (12) and cable vault's busbar (13), described upper contact head box and lower contact box to be arranged on after switch cubicle front mounting plate (6) and switch cubicle on mounting panel (7) respectively, described bus-bar room busbar (12) connects the high-voltage busbar (4) in upper contact head box, high-voltage busbar (4) other end in upper contact head box is successively by the high pressure fixed contact (8) in upper contact head box, high pressure Mume flower contact (9) in upper contact head box and high pressure contact arm (10) connecting breaker (11) in upper contact head box, circuit breaker (11) other end connects the high pressure contact arm (10) in lower contact box successively, high pressure Mume flower contact (9) in lower contact box and the high pressure fixed contact (8) in lower contact box, high pressure fixed contact (8) other end in lower contact box is by high-voltage busbar 4 stube cable room busbar (13) in lower contact box.
2. 40.5kV switch cubicle according to claim 1 three shielding small size contact boxs, it is characterized in that, described earth shield (1) is earth potential, and described high-voltage contact shielding (2) and high-voltage busbar screw shielding (3) are all high potentials.
3. 40.5kV switch cubicle according to claim 1 three shielding small size contact boxs, it is characterized in that, described high-voltage contact shielding (2) is the high-pressure side contact shielding in high potential, and high-voltage busbar screw shielding (3) is the high-voltage side bus ground shield in high potential.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420498038.1U CN204030288U (en) | 2014-09-01 | 2014-09-01 | A kind of 40.5kV switch cubicle three shielding small size contact boxs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420498038.1U CN204030288U (en) | 2014-09-01 | 2014-09-01 | A kind of 40.5kV switch cubicle three shielding small size contact boxs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204030288U true CN204030288U (en) | 2014-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420498038.1U Expired - Fee Related CN204030288U (en) | 2014-09-01 | 2014-09-01 | A kind of 40.5kV switch cubicle three shielding small size contact boxs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204030288U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108736363A (en) * | 2018-05-18 | 2018-11-02 | 慈溪益成电器有限公司 | A kind of High aititude shielding contact box |
-
2014
- 2014-09-01 CN CN201420498038.1U patent/CN204030288U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108736363A (en) * | 2018-05-18 | 2018-11-02 | 慈溪益成电器有限公司 | A kind of High aititude shielding contact box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20141217 Termination date: 20170901 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |