CN201667503U - Protective gap for three-phase distribution box gas insulating meal closed switching equipment - Google Patents
Protective gap for three-phase distribution box gas insulating meal closed switching equipment Download PDFInfo
- Publication number
- CN201667503U CN201667503U CN2010201380429U CN201020138042U CN201667503U CN 201667503 U CN201667503 U CN 201667503U CN 2010201380429 U CN2010201380429 U CN 2010201380429U CN 201020138042 U CN201020138042 U CN 201020138042U CN 201667503 U CN201667503 U CN 201667503U
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- isolating switch
- voltage transformer
- main bus
- type
- underframe
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- Expired - Lifetime
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- Gas-Insulated Switchgears (AREA)
Abstract
The utility model discloses a protective gap for three-phase distribution box gas insulating meal closed switching equipment, comprising a chassis, a voltage transformer, a composite right-angle type isolating switch and a main bus, the lower port of the composite right-angle type isolating switch is connected with the main bus by a basin-type insulator, the side port of the composite right-angle type isolating switch is connected with the voltage transformer by the basin-type insulator, the main bus is fixed on the chassis, the voltage transformer is supported by the bracket, the lower end of the bracket is fixed on the chassis; in the utility model, the structure of the existing proactive gap is simplified, the connecting parts among the voltage transformer and the isolating switch are saved, and the connecting parts between the isolating switch and the main bus are saved, and the protective gap has the advantages of high reliability, artistic appearance, superior insulating performance and convenient installation and usage.
Description
Technical field:
The utility model relates to field of electrical equipment, a kind of more precisely protection interval that is used for three-phase combined type type Cubicle Gas-Insulated Switchgear (GIS).
Background technology:
Be illustrated in figure 1 as the protection interval that existing Cubicle Gas-Insulated Switchgear (GIS) generally uses, whole protecting interval is installed on the underframe 10; Voltage transformer 11 utilizes support 12 screws to be connected on the underframe 10; Voltage transformer 11 utilizes disc insulator 13 to be connected with transition shell and inner conductor 14 screws; Earthed switch 16 is connected with transition shell and inner conductor 14 screws; Perpendicular type isolating switch 3 utilizes disc insulator 15 to be connected with transition shell and inner conductor 14 screws; Earthed switch 2 is connected with perpendicular type isolating switch 3 screws; Perpendicular type isolating switch 3 utilizes disc insulator 4 to be connected with transition shell and inner conductor 5 screws; Transition shell and inner conductor 5 utilize disc insulator 6 to be connected with transition shell and inner conductor 7 screws; Transition shell and inner conductor 7 utilize disc insulator 8 to be connected with main bus bar 9 screws; Main bus bar 9 is connected with underframe 10 screws.
By above-mentioned analysis, we as can be seen: existing protection its number of conductors and kind at interval is many, and conductor connects complicated, causes its inner conductor silvered face many, the internal electric field complexity.Shell quantity and kind are many; insulated support is many; cause its shell joint face many; sealing part is many; whole interval is higher to ground level, and volume is very big at interval, so inconvenience is not only assembled, detects, keeped in repair in the protection of raw-gas insulated metal sealing switch equipment (GIS) at interval; more make protection potential safety hazard at interval increase deficiency in economic performance.
The utility model content:
The purpose of this utility model provides a kind of protection interval that can satisfy Cubicle Gas-Insulated Switchgear (GIS) requirement, and its profile is succinct, and is simple in structure, and insulation property are superior, and are easy to install, the economic benefit height.
The purpose of this utility model is achieved by the following technical programs.
A kind of protection interval that is used for three-phase combined type type Cubicle Gas-Insulated Switchgear; comprise underframe, voltage transformer, perpendicular type isolating switch and main bus bar; described perpendicular type isolating switch lower port is connected with main bus bar by disc insulator; described perpendicular type isolating switch side ports is connected with voltage transformer by disc insulator; main bus bar is fixed on the underframe; described voltage transformer is by stent support, and the lower end of described support is fixed on the underframe.
The utility model also has following feature: described voltage transformer horizontal positioned, and voltage transformer directly docks with the perpendicular type isolating switch; Described perpendicular type isolating switch is provided with two earthed switches, satisfies two earthed switch requirements.
As seen from the above technical solution, the utility model is not changing the product electrical property and is taking into account the product assembling, detect, under the situation of maintenance, the protection of raw-gas insulated metal sealing switch equipment (GIS) is arranged that at interval having carried out comprehensive optimization improves, main thought has: composite component, composite elements, reduce sealing surface, adopt the new technology that electrically contacts, reduce electrical connection face, reduce the inner conductor silvered face, thereby make the switchgear of same function more succinct, reliably, effectively reduced the potential safety hazard of product, reduced the product assembling simultaneously, detect, maintenance difficulty makes product have more aesthetic property, economy; Support setting has been optimized protection power structure at interval, has realized that voltage transformer is connected with the direct of isolating switch, has simplified spacer structure greatly, has reduced sealing part and has electrically contacted link, has improved the product reliability of operation.
Description of drawings:
Fig. 1 is the existing protection spacer structure schematic diagram that is used for Cubicle Gas-Insulated Switchgear;
Among the figure: 1, LCP cabinet; 2, earthed switch; 3, perpendicular type isolating switch; 4, disc insulator; 5, transition shell and inner conductor; 6, disc insulator; 7, transition shell and inner conductor; 8, disc insulator; 9, main bus bar; 10, underframe; 11, voltage transformer; 12, support; 13, disc insulator; 14, transition shell and inner conductor; 15, disc insulator; 16, earthed switch.
The protection spacer structure schematic diagram that is used for Cubicle Gas-Insulated Switchgear that Fig. 2 provides for the utility model;
Among the figure: 17, LCP cabinet; 18, voltage transformer; 19, disc insulator; 20, composite perpendicular type isolating switch; 21, earthed switch; 22, main bus bar; 23, underframe; 24, disc insulator; 25, earthed switch; 26, support.
Embodiment:
Below in conjunction with accompanying drawing and instantiation the utility model is described in further detail.
As shown in Figure 2; the protection of three-phase combined type type Cubicle Gas-Insulated Switchgear at interval; comprise underframe 23, voltage transformer 18, composite perpendicular type isolating switch 20 and main bus bar 22; described composite perpendicular type isolating switch 20 lower port are connected with main bus bar 22 by disc insulator 24; described composite perpendicular type isolating switch 20 side ports are connected with voltage transformer 18 by disc insulator 19; main bus bar 22 is fixed on the underframe 23; described voltage transformer 18 is supported by support 26, and the lower end of support 26 is fixed on the underframe 23.Voltage transformer 18 adopts the horizontal positioned structure; Voltage transformer 18 utilizes support 26 to be connected with underframe 23 screws; Horizontal voltage transformer 18 utilizes disc insulator 19 screws to be connected with composite perpendicular type isolating switch 20; Main bus bar 22 utilizes disc insulator 24 screws to be connected with composite perpendicular type isolating switch 20; Composite perpendicular type isolating switch 20 is connected with earthed switch 21,25 while of earthed switch screw in limited space, has satisfied the fracture requirement of the two grounding requirements and the voltage transformer 18 of GIS equipment; Main bus bar 22 is connected with underframe 23 screws.
Claims (3)
1. a protection that is used for three-phase combined type type Cubicle Gas-Insulated Switchgear at interval; comprise underframe, voltage transformer, composite perpendicular type isolating switch and main bus bar; it is characterized in that; described composite perpendicular type isolating switch lower port is connected with main bus bar by disc insulator; described composite perpendicular type isolating switch side ports is connected with voltage transformer by disc insulator; main bus bar is fixed on the underframe; described voltage transformer is by stent support, and the lower end of described support is fixed on the underframe.
2. be used for the protection interval of three-phase combined type type Cubicle Gas-Insulated Switchgear according to claim 1, it is characterized in that, described voltage transformer horizontal positioned, voltage transformer directly docks with composite perpendicular type isolating switch.
3. be used for the protection interval of three-phase combined type type Cubicle Gas-Insulated Switchgear according to claim 1, it is characterized in that described composite perpendicular type isolating switch is provided with two earthed switches, satisfy two earthed switch designing requirements.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201380429U CN201667503U (en) | 2010-03-23 | 2010-03-23 | Protective gap for three-phase distribution box gas insulating meal closed switching equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201380429U CN201667503U (en) | 2010-03-23 | 2010-03-23 | Protective gap for three-phase distribution box gas insulating meal closed switching equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201667503U true CN201667503U (en) | 2010-12-08 |
Family
ID=43268464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201380429U Expired - Lifetime CN201667503U (en) | 2010-03-23 | 2010-03-23 | Protective gap for three-phase distribution box gas insulating meal closed switching equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201667503U (en) |
-
2010
- 2010-03-23 CN CN2010201380429U patent/CN201667503U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101208 |
|
| CX01 | Expiry of patent term |