CN201340773Y - Neutral-point grounding resistance cabinet - Google Patents
Neutral-point grounding resistance cabinet Download PDFInfo
- Publication number
- CN201340773Y CN201340773Y CNU2008201570159U CN200820157015U CN201340773Y CN 201340773 Y CN201340773 Y CN 201340773Y CN U2008201570159 U CNU2008201570159 U CN U2008201570159U CN 200820157015 U CN200820157015 U CN 200820157015U CN 201340773 Y CN201340773 Y CN 201340773Y
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- CN
- China
- Prior art keywords
- cabinet
- porcelain vase
- resistor
- neutral
- porcelain insulator
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Abstract
The utility model discloses a neutral-point grounding resistance cabinet, which comprises a cabinet, a resistor arranged in the cabinet and a porcelain insulator connected with the end of the resistor, and is characterized in that the cabinet is connected with the end of the resistor by the porcelain insulator; and the porcelain insulator is in a horizontal suspension structure. Not only the neutral-point grounding resistance cabinet has good insulating performance, but also the porcelain insulator is far from a resistance heat source, thereby preventing the high temperature produced by the resistance from being conducted to the whole porcelain insulator and the porcelain insulator from cracking externally because of the high temperature, prolonging the service life of the neutral-point grounding resistance cabinet, and having higher safety performance.
Description
Technical field:
The utility model relates to a kind of neutral resistance cabinet, particularly be the neutral resistance cabinet of a kind of 10kV of being applicable to and following grade.
Background technology:
In recent years, along with the deep development of China's urban network restructuring, 10KV power distribution network capacity increases sharply, and network configuration is gradually improved, and according to the urban construction needs, the neutral resistance cabinet also widespread in the power distribution network of town and country.And the neutral resistance cabinet is mainly used in connecting of main transformer neutral point and ground network in the power distribution network of town and country, and the town and country power distribution network mainly refers to the electrical network of 10kV, 35kV, three electric pressures of 66kV, has a large capacity and a wide range in electric power system, occupies an important position.
At present, be separated from each other by vertically repeatedly adorning formula structure porcelain insulator between the neutral ground resistor of cabinet inside in the existing neutral resistance cabinet, and vertically repeatedly adorn the porcelain insulator support neutral resistance device of formula structure, it is fixed.But because this porcelain insulator of vertically repeatedly adorning the formula structure is nearer apart from neutral resistance, at system's generation single phase ground fault or when having the secular disequilibrium electric current to pass through, the neutral resistance device produces high temperature, the high temperature that produces conducts to porcelain vase, thereby porcelain vase is subjected to high temperature easily, and the outer phenomenon of splitting takes place, reduced the useful life of cabinet, and cause the built-in electrical insulation porcelain vase to puncture causing the get an electric shock generation of unnecessary accident such as injures and deaths of resistor box short circuit or personnel easily, be unfavorable for that the neutral resistance cabinet of 10kV and following grade uses.
The utility model content:
In order to solve the deficiencies in the prior art, the utility model provides a kind of porcelain insulator high temperature that can prevent to split and be applicable to the neutral resistance cabinet of 10kV and following grade outward.
The technical solution scheme that realizes the utility model purpose is: the neutral resistance cabinet, comprise a cabinet, be arranged on cabinet in resistor and the porcelain vase that is connected resistor ends; Its feature part is that described cabinet is connected with resistor ends by porcelain vase, and described porcelain vase adopts and horizontally suspends the formula structure, and the porcelain vase by this connected mode is avoided porcelain vase integral body to be heated, and caused porcelain vase to split outward away from the resistor thermal source.
As preferably, be provided with the right-angled trapezium cushion block between described porcelain vase and the cabinet, this porcelain vase is arranged on the oblique waist of trapezoidal cushion block, keeps porcelain vase to be tilted to, and plays the effect of supports resistors.
As preferably, be provided with the inclination backing plate between described porcelain vase and the resistor ends, the incline direction of described backing plate is opposite with the incline direction of the oblique waist of trapezoidal cushion block, keeps the supporting role of porcelain vase.
Therefore, the beneficial effects of the utility model are: the utility model has adopted the porcelain vase that horizontally suspends the formula structure to be connected between cabinet and resistor ends, not only has the good insulation performance performance, and porcelain vase is away from the resistance thermal source, prevented that the high temperature that resistance produces from conducting to whole porcelain vase, avoided the generation of the phenomenon that porcelain vase high temperature splits outward, increased the useful life of neutral ground cabinet, thereby also avoided because porcelain vase splits the damage of the internal components that causes and porcelain insulator outward punctures and cause the get an electric shock generation of casualty accident of resistor box short circuit or the personnel that cause, have higher security performance, can be widely used in the neutral resistance cabinet of 10kV and following grade.
Description of drawings:
Further specify the utility model below in conjunction with the drawings and specific embodiments.
Fig. 1 is an example structure schematic diagram of the present utility model.
Fig. 2 is a partial structurtes schematic diagram of the present utility model.
Embodiment:
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
With reference to figure 1, Fig. 2, the neutral resistance cabinet comprises a cabinet 1, be arranged on cabinet 1 in resistor 2 and the porcelain vase 3 that is connected resistor 2 ends; Between cabinet 1 and resistor 2 ends is to be connected by porcelain vase 3, and this porcelain vase 3 connects and places for horizontally suspending the formula structure, by this with connected mode porcelain vase 3 away from resistor 2 thermals source, avoid porcelain vase 1 integral body to be heated, and cause porcelain vase 1 outer splitting.As further improvement of the utility model, in the present embodiment, the right-angled trapezium cushion block 31 that is installed in by bolt on the cabinet 1 is arranged between cabinet 1 and porcelain vase 2, the waist limit, right angle of this trapezoidal cushion block 31 down, described porcelain vase 3 is installed on the oblique waist limit on being tilted to of trapezoidal cushion block 31 by bolt, make 3 pairs of resistors 2 of porcelain vase that an active force to upper support be arranged by the angle that tilts, thereby play the effect of support and fixed resistor 2.The metal caul 32 of inclination is installed between porcelain vase 3 and resistor 2 ends, this backing plate 31 is stuck on the support 4 in the cabinet 1, and be fixed by bolt, under being tilted to of this inclination backing plate 32, corresponding with trapezoidal backing plate 31, reinforced porcelain vase 3 being connected between resistor 2 ends and cabinet 1, thereby trapezoidal backing plate 32 has also played the baffle effect as porcelain vase 3, the transmission of block heat.
In addition, in the present embodiment, be connected with vertical porcelain vase 5 by bolt on the support at the two ends of the resistor 2 of the bottom of cabinet 1, these porcelain vase 5 other ends are fixed on the cabinet 1 bottom surface housing, on the support at porcelain insulator 5 supports resistors 2 two ends.According to above-mentioned neutral resistance cabinet, wherein, above-mentioned resistor 2 is fixed up by the support in the cabinet 14, and above-mentioned porcelain vase 3 and porcelain vase 5 one ends are distinguished on the steel plate of mounting bracket 4, and is connected with resistor 2 by support 4.
The characteristics of the utility model maximum are, between cabinet 1 and resistor 2 ends, adopted the porcelain vase 3 that horizontally suspends the formula structure to be connected, not only has the good insulation performance performance, and porcelain vase is away from the resistance thermal source, prevented that the high temperature that resistance produces from conducting to whole porcelain vase, avoided the generation of the phenomenon that porcelain vase high temperature splits outward, increased the useful life of neutral ground cabinet, thereby also avoided because porcelain vase splits the damage of the internal components that causes and porcelain insulator outward punctures and cause the get an electric shock generation of casualty accident of resistor box short circuit or the personnel that cause, have higher security performance, the neutral resistance cabinet that can be used as 10kV and following grade uses.
More than show and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (3)
1, neutral resistance cabinet comprises a cabinet, be arranged on cabinet in resistor and the porcelain vase that is connected resistor ends; It is characterized in that described cabinet is connected with resistor ends by porcelain vase, described porcelain vase adopts and horizontally suspends the formula structure.
2, neutral resistance cabinet according to claim 1 is characterized in that, is provided with the right-angled trapezium cushion block between described porcelain vase and the cabinet, and this porcelain vase is arranged on the upward waist of inclination of trapezoidal cushion block.
3, neutral resistance cabinet according to claim 2 is characterized in that, is provided with the inclination backing plate between porcelain vase and the resistor ends, and the incline direction of described backing plate is opposite with the incline direction of the oblique waist of trapezoidal cushion block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201570159U CN201340773Y (en) | 2008-12-12 | 2008-12-12 | Neutral-point grounding resistance cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201570159U CN201340773Y (en) | 2008-12-12 | 2008-12-12 | Neutral-point grounding resistance cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201340773Y true CN201340773Y (en) | 2009-11-04 |
Family
ID=41236316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201570159U Expired - Fee Related CN201340773Y (en) | 2008-12-12 | 2008-12-12 | Neutral-point grounding resistance cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201340773Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103730853A (en) * | 2013-12-27 | 2014-04-16 | 苏州市龙源电力科技股份有限公司 | Grounding resistor cabinet |
-
2008
- 2008-12-12 CN CNU2008201570159U patent/CN201340773Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103730853A (en) * | 2013-12-27 | 2014-04-16 | 苏州市龙源电力科技股份有限公司 | Grounding resistor cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091104 Termination date: 20121212 |