CN202307395U - Neutral point grounding resistor - Google Patents
Neutral point grounding resistor Download PDFInfo
- Publication number
- CN202307395U CN202307395U CN2011204155963U CN201120415596U CN202307395U CN 202307395 U CN202307395 U CN 202307395U CN 2011204155963 U CN2011204155963 U CN 2011204155963U CN 201120415596 U CN201120415596 U CN 201120415596U CN 202307395 U CN202307395 U CN 202307395U
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- resistor
- sawtooth
- mica
- porcelain spare
- porcelain
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Abstract
The utility model discloses a neutral point grounding resistor, which comprises two resistor sheet installation boards, a plurality of resistor assemblies and a plurality of connection boards, wherein a plurality of installation holes are arranged on each resistor sheet installation board, the two resistor sheet installation boards are fixed at two ends of the plurality of resistor assemblies which are parallel to each other, and two ends of each resistor assembly are both fixed in the through holes of the resistor sheet installation boards. Each resistor assembly comprises a plurality of sawtooth porcelain members with tooth-shaped structures on the peripheries, a convex cylindrical porcelain member, a concave cylindrical porcelain member, spiral resistor belts, a stainless steel screw, a mica foil, a plurality of mica pads, two wiring boards and a plurality of fixing bolts. In each resistor assembly of the neutral point grounding resistor, the spiral resistor belts are wound on the plurality of sawtooth porcelain members, so that contour dimension of the resistor assemblies is greatly reduced, and assembling elements in each resistor assembly are simple in structure and small in variety, so that in assembling, assembling efficiency and product quality can be improved.
Description
Technical field
The application relates to the resistive technologies field, particularly relates to a kind of strip-wound type neutral resistance.
Background technology
In electric power system, during the neutral point resistance grounded, usually require to use through-flow in short-term less, temperature rise is not high, overall dimension is less resistance.
Common in the market neutral resistance has following several kinds: a kind of is to adopt the resistor disc of flat band to be assembled through parts such as micanite pipe, mica mat, metal gasket, metallic rod; Though the temperature rise when galvanization of this neutral resistance structure is lower; Profile is less; But the part kind is many, and efficiency of assembling is low; Another kind is to adopt the wire rod resistance wire directly to be wound on porcelain tube or the micarex; The electric resistance structure of this structure is simple, and is convenient for production, but the neutral resistance of this structure is when the resistance wire diameter is big; Difficulty relatively when causing the product coiling also influences the efficiency of assembling and the assembly quality of product.
The utility model content
In view of this, the application embodiment provides a kind of neutral resistance, and is not only simple in structure, and efficient is higher when assembling.
To achieve these goals, the technical scheme that provides of the application embodiment is following:
A kind of neutral resistance is characterized in that, comprising: two resistor disc mounting panels, a plurality of resistor assembly and a plurality of connecting plates, wherein:
Each said resistor disc mounting panel is provided with a plurality of installing holes; And two said resistor disc mounting panels are fixed on the two ends of a plurality of said resistor assemblies; A plurality of said resistor assemblies parallel, and the end of each resistor assembly all is fixed in the through hole of said resistor disc mounting panel;
Said resistor assembly comprises: several peripheries have sawtooth porcelain spare, male-type cylinder porcelain spare, female-type cylinder porcelain spare, spiral resistive band, stainless steel screw rod, mica paillon foil, a plurality of mica mat, two terminal blocks and several set bolts of dentalation, wherein:
Said mica paillon foil is coated on the said stainless steel screw rod; Several said sawtooth porcelain spares are set on the stainless steel screw rod that is coated with the mica paillon foil; Said spiral resistive band is wrapped on the said sawtooth porcelain spare; And said male-type cylinder porcelain spare is set on the said stainless steel screw rod with female-type cylinder porcelain spare, and is separately fixed at the two ends of a plurality of said sawtooth porcelain spares that link together, and fills up mica mat respectively in the outside of said male-type cylinder porcelain spare and female-type cylinder porcelain spare; And fastening with set bolt in the said mica mat outside respectively, two said terminal blocks are welded on the two ends of said spiral resistive band respectively;
The two ends of each said connecting plate respectively with adjacent two resistor assemblies on, the terminal block that is positioned at same end fixes, and a plurality of said connecting plate is in series a plurality of said resistor assemblies.
Preferably; This neutral resistance further comprises: two resistance chip mounting panels; Wherein: the two ends of a resistance chip mounting panel fix with an end end of two resistor disc mounting panels respectively, and the two ends of another resistance chip mounting panel fix with the other end end of two resistor disc mounting panels respectively.
Visible by above technical scheme, this neutral resistance that the application embodiment provides is made up of many groups resistor assembly, in each resistor assembly; On the stainless steel screw rod that coats the mica paillon foil, be arranged with a plurality of sawtooth porcelain spares, and the periphery of sawtooth porcelain spare is provided with dentalation, is wrapped in a plurality of sawtooth porcelain spare last time when the spiral resistive band like this; The spiral resistive band is positioned at the dentalation of sawtooth porcelain spare; The overall dimension of the resistor assembly that obtains is like this dwindled greatly, and the assembling element in each resistor assembly is simple in structure, and kind is less; So when assembling, can improve the quality of efficiency of assembling and product.
Description of drawings
In order to be illustrated more clearly in the application embodiment or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiment that put down in writing among the application, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the neutral resistance that Fig. 1 provides for the application embodiment;
The exploded view of the neutral resistance that Fig. 2 provides for the application embodiment;
The structural representation of the sawtooth porcelain spare that Fig. 3 provides for the application embodiment.
Embodiment
In order to make those skilled in the art person understand the technical scheme among the application better; To combine the accompanying drawing among the application embodiment below; Technical scheme among the application embodiment is carried out clear, intactly description; Obviously, described embodiment only is the application's part embodiment, rather than whole embodiment.Based on the embodiment among the application, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all should belong to the scope of the application's protection.
The structural representation of the neutral resistance that Fig. 1 provides for the application embodiment.The exploded view of the neutral resistance that Fig. 2 provides for the application embodiment.
As shown in Figure 2; This neutral resistance comprises: two resistor disc mounting panels 9, a plurality of resistor assembly and a plurality of connecting plates 8; Wherein: each resistor disc mounting panel is provided with a plurality of installing holes; And two resistor disc mounting panels are fixed on the two ends of a plurality of resistor assemblies, and a plurality of resistor assemblies parallel, and the end of each resistor assembly all is fixed in the through hole of resistor disc mounting panel.
As shown in Figure 2, each resistor assembly comprises: several peripheries have the sawtooth porcelain spare 1, male-type cylinder porcelain spare 2, female-type cylinder porcelain spare 3, spiral resistive band 4, stainless steel screw rod 5, mica paillon foil (not shown), a plurality of mica mat 6 of dentalation, two terminal blocks 7 and several set bolt (not shown)s.
In order to improve the insulating properties of stainless steel screw rod 5, on stainless steel screw rod 5, be coated with the mica paillon foil.Be arranged with several sawtooth porcelain spares 1 on the stainless steel screw rod 5 of mica paillon foil being coated with; As shown in Figure 3; The periphery of sawtooth porcelain spare 1 is provided with dentalation 11, and its effect is for ease resistance to be twined and fixedly on the sawtooth porcelain spare 1, and can reduce the overall dimension after resistance twines; In the application embodiment, the number of sawtooth porcelain spare 1 is nine.Spiral resistive band 4 is wrapped on the sawtooth porcelain spare 1, and resistive band 4 is positioned at the dentalation on the sawtooth porcelain spare 1.
The effect of male-type cylinder porcelain spare 2 and female-type cylinder porcelain spare 3 is to be used for fixing a plurality of sawtooth porcelain spares 1; Of Fig. 2; Male-type cylinder porcelain spare 2 is set on the stainless steel screw rod 5 with female-type cylinder porcelain spare 3; And be separately fixed at the two ends of a plurality of sawtooth porcelain spares 1 that link together, promptly male-type cylinder porcelain spare 2 is fixed the head and the tail two ends of a plurality of sawtooth porcelain spares 1 that link together respectively with female-type cylinder porcelain spare 3.As shown in Figure 2, also be respectively arranged with mica mat 6 in the outside of male-type cylinder porcelain spare 2 and female-type cylinder porcelain spare 3, and respectively in mica mat 6 outsides with the fastening (not shown) of set bolt, the effect of mica mat 6 is integral insulation performances of enhancing resistance.In addition; Also be respectively arranged with a terminal block 7 at the two ends of spiral resistive band 4; Mode through welding between terminal block 7 and the spiral resistive band 4 fixes; Through terminal block 7, just can the two ends of spiral resistive band 4 be extracted like this, promptly can spiral resistive band 4 be connected with lead or miscellaneous equipment through terminal block 7.
As depicted in figs. 1 and 2, resistor assembly is fixed between two resistor disc mounting panels 9, and the number of resistor assembly can freely select according to actual needs, and in the application embodiment, the number of resistor assembly is seven.As depicted in figs. 1 and 2, be connected through connecting plate 8 between adjacent two resistor assemblies, the two ends of connecting plate 8 are fixed on the terminal block 7 of same end of adjacent two resistor assemblies, and a plurality of connecting plate 8 is in series a plurality of resistor assemblies.When using this neutral resistance, only need two terminals after a plurality of resistor assembly series connection are connected with corresponding apparatus like this, can will make this neutral resistance be connected between two equipment.
Visible by above technical scheme, this neutral resistance that the application embodiment provides is made up of many groups resistor assembly, in each resistor assembly; On the stainless steel screw rod that coats the mica paillon foil, be arranged with a plurality of sawtooth porcelain spares, and the periphery of sawtooth porcelain spare is provided with dentalation, is wrapped in a plurality of sawtooth porcelain spare last time when the spiral resistive band like this; The spiral resistive band is positioned at the dentalation of sawtooth porcelain spare; Make the overall dimension of resistor assembly dwindle greatly like this, and the assembling element in each resistor assembly is simple in structure, kind is less; So when assembling, can improve the quality of efficiency of assembling and product.
In addition, in the application embodiment, in order to make the structure of this neutral resistance more stable.As illustrated in figs. 1 and 2; In the application embodiment; This neutral resistance can also comprise: two resistance chip mounting panels 10; Wherein: the two ends of a resistance chip mounting panel 10 fix with an end end of two resistor disc mounting panels 9 respectively, and the two ends of another resistance chip mounting panel 10 fix with the other end end of two resistor disc mounting panels 9 respectively.The structure of the neutral resistance that so just obtains is a square structure, and is more stable.In addition, in the application embodiment, can be provided with a plurality of through holes on the resistance chip mounting panel 10, when being installed in this neutral resistance in the resistor box, be fixed in the resistor box like this through utilizing the through hole on the resistance chip mounting panel.
The above only is the application's a preferred implementation, makes those skilled in the art can understand or realize the application.Multiple modification to these embodiment will be conspicuous to one skilled in the art, and defined General Principle can realize under the situation of spirit that does not break away from the application or scope in other embodiments among this paper.Therefore, the application will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (2)
1. a neutral resistance is characterized in that, comprising: two resistor disc mounting panels, a plurality of resistor assembly and a plurality of connecting plates, wherein:
Each said resistor disc mounting panel is provided with a plurality of installing holes; And two said resistor disc mounting panels are fixed on the two ends of a plurality of said resistor assemblies; A plurality of said resistor assemblies parallel, and the end of each resistor assembly all is fixed in the through hole of said resistor disc mounting panel;
Said resistor assembly comprises: several peripheries have sawtooth porcelain spare, male-type cylinder porcelain spare, female-type cylinder porcelain spare, spiral resistive band, stainless steel screw rod, mica paillon foil, a plurality of mica mat, two terminal blocks and several set bolts of dentalation, wherein:
Said mica paillon foil is coated on the said stainless steel screw rod; Several said sawtooth porcelain spares are set on the stainless steel screw rod that is coated with the mica paillon foil; Said spiral resistive band is wrapped on the said sawtooth porcelain spare; And said male-type cylinder porcelain spare is set on the said stainless steel screw rod with female-type cylinder porcelain spare, and is separately fixed at the two ends of a plurality of said sawtooth porcelain spares that link together, and fills up mica mat respectively in the outside of said male-type cylinder porcelain spare and female-type cylinder porcelain spare; And fastening with set bolt in the said mica mat outside respectively, two said terminal blocks are welded on the two ends of said spiral resistive band respectively;
The two ends of each said connecting plate respectively with adjacent two resistor assemblies on, the terminal block that is positioned at same end fixes, and a plurality of said connecting plate is in series a plurality of said resistor assemblies.
2. neutral resistance according to claim 1; It is characterized in that; Further comprise: two resistance chip mounting panels; Wherein: the two ends of a resistance chip mounting panel fix with an end end of two resistor disc mounting panels respectively, and the two ends of another resistance chip mounting panel fix with the other end end of two resistor disc mounting panels respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204155963U CN202307395U (en) | 2011-10-27 | 2011-10-27 | Neutral point grounding resistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204155963U CN202307395U (en) | 2011-10-27 | 2011-10-27 | Neutral point grounding resistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202307395U true CN202307395U (en) | 2012-07-04 |
Family
ID=46376240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204155963U Expired - Lifetime CN202307395U (en) | 2011-10-27 | 2011-10-27 | Neutral point grounding resistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202307395U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105035963A (en) * | 2015-09-10 | 2015-11-11 | 无锡市运达机械有限公司 | Crane resistor safety protection device |
| CN109256248A (en) * | 2018-09-25 | 2019-01-22 | 元铭信（天津）电子有限公司 | A kind of Combined resistance box structure |
| CN114050331A (en) * | 2021-10-20 | 2022-02-15 | 萨瑞新能源技术（苏州）有限公司 | Grounding structure of energy storage battery module frame |
-
2011
- 2011-10-27 CN CN2011204155963U patent/CN202307395U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105035963A (en) * | 2015-09-10 | 2015-11-11 | 无锡市运达机械有限公司 | Crane resistor safety protection device |
| CN109256248A (en) * | 2018-09-25 | 2019-01-22 | 元铭信（天津）电子有限公司 | A kind of Combined resistance box structure |
| CN114050331A (en) * | 2021-10-20 | 2022-02-15 | 萨瑞新能源技术（苏州）有限公司 | Grounding structure of energy storage battery module frame |
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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: 20120704 |
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| CX01 | Expiry of patent term |