CN103367020A - Disconnecting switch and conducting loop structure thereof - Google Patents
Disconnecting switch and conducting loop structure thereof Download PDFInfo
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- CN103367020A CN103367020A CN2013103144448A CN201310314444A CN103367020A CN 103367020 A CN103367020 A CN 103367020A CN 2013103144448 A CN2013103144448 A CN 2013103144448A CN 201310314444 A CN201310314444 A CN 201310314444A CN 103367020 A CN103367020 A CN 103367020A
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- loop structure
- turning arm
- conducting loop
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- 238000009413 insulation Methods 0.000 claims description 11
- 238000012856 packing Methods 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 4
- 210000005069 ears Anatomy 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 6
- 239000012212 insulator Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 2
- 238000000137 annealing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
The invention discloses a conducting loop structure. The conducting loop structure is characterized in that the sidewall of one side of a fixed contact, close to a rotating arm, comprises a first wall and a second wall which are distributed up and down; one end of the first wall is fixedly connected with the upper wall of the fixed contact while the other end of the first wall extends into the fixed contact; a first compressing spring is arranged between the other end of the first wall and the upper wall, and two ends of the first compressing spring are respectively connected with the upper wall and the first wall; one end of the second wall is fixedly connected with the lower wall of the fixed contact while the other end of the second wall extends into the fixed contact; a second compressing spring is arranged between the other end of the second wall and the upper wall, and two ends of the second compressing spring are respectively connected with the lower wall and the second wall; a clamping groove used for containing a moving contract is formed between the first wall and the second wall; and the moving contract is specifically a conducting plate which can be arranged into the clamping groove in a clamping manner. By adopting the conducting loop structure, the problem that the low switching-in success rate is generated to further impact the safety and stability of equipment and a power grid in running can be solved. The invention also provides a disconnecting switch comprising the conducting loop structure.
Description
Technical field
The present invention relates to the high-voltage switch gear technical field, more particularly, relate to a kind of isolating switch and conducting loop structure thereof.
Background technology
Three post horizontal rotation type double-fracture high-voltage alternating current isolating switchs are widely used in the 220kV outdoor power distribution unit and realize electrical isolation.
See also Fig. 1 to Fig. 3, isolating switch comprises three insulators 04 that are arranged side by side, be positioned at the supporting insulator that is of both sides, middle is rotating insulated son, the supporting insulator top is provided with fixed contact 01, rotating insulated sub-top is provided with turning arm 02 take this rotating insulated son as rotation centerline by support 03, and the two ends of turning arm 02 are provided with moving contact 05.In the prior art, two kinds of combined floodgate modes are arranged, wherein a kind ofly change formula over to for contact: fixed contact becomes 45 degree with axis when open position, moving contact horizontally rotates during combined floodgate, the band dynamic/static contact is rotated into the position, another kind is horizontally turning type: namely moving contact horizontally rotates first to fixed contact, and 45 degree that self overturn again contact with fixed contact.Above-mentioned dual mode structure is comparatively complicated, and it is low to be operable to power during combined floodgate, has a strong impact on the safe and stable operation of equipment and electrical network.
In sum, how providing that effectively to solve the combined floodgate success rate low, and then affect the problem of the safe and stable operation of equipment and electrical network, is present those skilled in the art's urgent problem.
Summary of the invention
In view of this, first purpose of the present invention is to provide a kind of conducting loop structure, it is low that the structural design of this conducting loop structure can solve the combined floodgate success rate effectively, and then affecting the problem of the safe and stable operation of equipment and electrical network, second purpose of the present invention provides a kind of isolating switch that comprises above-mentioned conducting loop structure.
In order to reach above-mentioned first purpose, the invention provides following technical scheme:
A kind of conducting loop structure comprises fixed contact and turning arm, and the two ends of described turning arm are fixed with the moving contact that can contact and conduct electricity with described fixed contact,
One side sidewall of the close described turning arm of described fixed contact comprises the first wall and the second wall that distributes up and down, described the first wall one end is fixedly connected with the upper wall of described fixed contact, the other end to described fixed contact inner extend and and described upper wall between be provided with the first Compress Spring, the two ends of described the first Compress Spring respectively with described upper wall be connected wall and be connected; Described the second wall one end is fixedly connected with the lower wall of described fixed contact, the other end to described fixed contact inner extend and and described upper wall between be provided with the second Compress Spring, the two ends of described the second Compress Spring respectively with described lower wall be connected wall and be connected, be formed for the clip slot of accommodating described moving contact between described the first wall and the second wall;
Described moving contact is specially the conductive plate that can be located in the described clip slot.
Preferably, described clip slot is V-type near the outside side of described fixed contact, and the V-type mouth is towards the outside of described fixed contact.
Preferably, described conductive plate is connected with described turning arm by connecting plate.
Preferably, all be bolted to connection between described conductive plate and the connecting plate and between described connecting plate and the turning arm.
Preferably, the quantity of described the first Compress Spring is a plurality of and is arranged side by side that the quantity of described the second Compress Spring is a plurality of and is arranged side by side.
Preferably, the quantity of described the first Compress Spring and the second Compress Spring is three.
Preferably, described the first wall and upper wall are bolted to connection, and described the second wall and lower wall also are bolted to connection.
A kind of isolating switch comprises conducting loop structure and the insulation column that supports fixed contact or turning arm, and described conducting loop structure is specially above-mentioned each described conducting loop structure.
Preferably, offer the bolt hole that runs through its width on the described turning arm, for being fixed with support on the insulation column that supports described turning arm, and the mounting ear that offers bolt hole that has paired setting on the described support, described turning arm are arranged between two paired mounting ears and by bolt and are fixedly connected with it.
Preferably, also be provided with stainless steel packing ring and stainless steel spring packing ring and rubber washer between described mounting ear and the turning arm.
Conducting loop structure provided by the invention comprises fixed contact and turning arm, and the two ends of turning arm are fixed with the moving contact that can contact and conduct electricity with fixed contact.Wherein, one side sidewall of the close turning arm of fixed contact comprises the first wall and the second wall that distributes up and down, the first wall one end is fixedly connected with the upper wall of fixed contact, the other end to fixed contact inner extend and and upper wall between be provided with the first Compress Spring, the two ends of the first Compress Spring respectively with upper wall be connected wall and be connected; The second wall one end is fixedly connected with the lower wall of fixed contact, the other end to fixed contact inner extend and and upper wall between be provided with the second Compress Spring, the two ends of the second Compress Spring respectively with lower wall be connected wall and be connected, be formed for the clip slot of accommodating moving contact between the first wall and the second wall, namely have the gap between the first wall and the second wall and form clip slot.In addition, moving contact is specially the conductive plate that can be located in the clip slot, the rotation that is conductive plate by turning arm can turn in the clip slot and with the first wall and the equal butt of the second wall, and the effect of the first Compress Spring and the second Compress Spring is arranged, conductive plate can with the first wall and the second wall close contact.Wherein a side of the close turning arm of fixed contact is a side relative with the insulation column that supports turning arm.
When using conducting loop structure provided by the invention, rotation by turning arm, be that conductive plate is embedded in the clip slot with the moving contact at turning arm two ends because the effect of the first Compress Spring and the second Compress Spring is arranged, conductive plate can with the first wall and the second wall close contact that form clip slot, thereby realize closing a floodgate, when the needs separating brake, can the opposite spin turning arm, make conductive plate break away from clip slot, and apart from the fixed contact certain distance, realize separating brake.Conducting loop structure provided by the invention, when closing a floodgate, conductive plate and the first wall and the second wall close contact, namely the first Compress Spring imposes on the first wall near the power of the second wall, the second Compress Spring imposes on the second wall near the power of the first wall simultaneously, so that the first wall and the second wall are mutually close, clamp conductive plate, increased the frictional force between conductive plate and the first wall and the second wall, if this moment the conductive plate shift position need to overcome and the first wall and the second wall between frictional force, so the position of conductive plate is difficult for being moved.And only need horizontally rotate turning arm and just can realize the separating brake that closes a floodgate, do not need upset, simple in structure, improve the power that is operable to that closes a floodgate, and then avoided the safe and stable operation of the equipment that affects and electrical network.
In order to reach above-mentioned second purpose, the present invention also provides a kind of isolating switch, and this isolating switch comprises above-mentioned any conducting loop structure.Because above-mentioned conducting loop structure has above-mentioned technique effect, the isolating switch with this conducting loop structure also should have corresponding technique effect.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of conducting loop structure of the prior art;
Fig. 2 is the cutaway view of fixed contact of the prior art;
Fig. 3 is the structural representation of turning arm of the prior art;
The structural representation of the conducting loop structure that provides in the embodiment of the invention is provided Fig. 4;
The cutaway view of the fixed contact that provides in the embodiment of the invention is provided Fig. 5;
The end view of the fixed contact that provides in the embodiment of the invention is provided Fig. 6;
The structural representation of the turning arm that provides in the embodiment of the invention is provided Fig. 7.
Mark is as follows in the accompanying drawing:
01-fixed contact, 02-turning arm, 03-support, 04-insulator, 05-moving contact;
1-fixed contact, 2-turning arm, 3-support, 4-connecting plate, 5-insulation column, 6-conductive plate, 11-clip slot, 12-the first Compress Spring, 13-the second Compress Spring.
Embodiment
First purpose of the present invention is to provide a kind of conducting loop structure, it is low that the structural design of this conducting loop structure can solve the combined floodgate success rate effectively, and then affecting the problem of the safe and stable operation of equipment and electrical network, second purpose of the present invention provides a kind of isolating switch that comprises above-mentioned conducting loop structure.
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
See also Fig. 4-Fig. 7, the conducting loop structure that the embodiment of the invention provides comprises fixed contact 1 and turning arm 2, and the two ends of turning arm 2 are fixed with the moving contact that can contact and conduct electricity with fixed contact 1.Wherein, one side sidewall of the close turning arm 2 of fixed contact 1 comprises the first wall and the second wall that distributes up and down, the first wall one end is fixedly connected with the upper wall of fixed contact 1, the other end to fixed contact 1 inner extend and and upper wall between be provided with the first Compress Spring 12, the first Compress Springs 12 two ends respectively with upper wall be connected wall and be connected; The second wall one end is fixedly connected with the lower wall of fixed contact 1, the other end to fixed contact 1 inner extend and and upper wall between be provided with the second Compress Spring 13, the two ends of the second Compress Spring 13 respectively with lower wall be connected wall and be connected, be formed for the clip slot 11 of accommodating moving contact between the first wall and the second wall, namely have the gap between the first wall and the second wall and form clip slot 11.In addition, moving contact is specially the conductive plate 6 that can be located in the clip slot 11, the rotation that is conductive plate 6 by turning arm 2 can turn in the clip slot 11 and with the first wall and the equal butt of the second wall, and the effect of the first Compress Spring 12 and the second Compress Spring 13 is arranged, conductive plate 6 can with the first wall and the second wall close contact.Wherein a side of the close turning arm 2 of fixed contact 1 is a side relative with the insulation column 5 that supports turning arm 2.
When using the conducting loop structure that the embodiment of the invention provides, rotation by turning arm 2, be that conductive plate 6 is embedded in the clip slot 11 with the moving contact at turning arm 2 two ends because the effect of the first Compress Spring 12 and the second Compress Spring 13 is arranged, conductive plate 6 can with the first wall and the second wall close contact that form clip slot 11, thereby realize closing a floodgate, when the needs separating brake, can opposite spin turning arm 2, make conductive plate 6 break away from clip slots 11, and apart from fixed contact 1 certain distance, realize separating brake.The conducting loop structure that the embodiment of the invention provides, when closing a floodgate, conductive plate 6 and the first wall and the second wall close contact, namely the first Compress Spring 12 imposes on the first wall near the power of the second wall, the second Compress Spring 13 imposes on the second wall near the power of the first wall simultaneously, so that the first wall and the second wall are mutually close, clamp conductive plate 6, increased the frictional force between conductive plate 6 and the first wall and the second wall, if this moment conductive plate 6 shift positions need to overcome and the first wall and the second wall between frictional force, so the position of conductive plate 6 is difficult for being moved.And only need horizontally rotate turning arm and just can realize the separating brake that closes a floodgate, do not need upset, simple in structure, improve the power that is operable to that closes a floodgate, and then avoided the safe and stable operation of the equipment that affects and electrical network.
In order further to optimize technique scheme, clip slot 11 is V-type near fixed contact 1 an outside side, and the V-type mouth is towards the outside of fixed contact 1, wherein clip slot 11 is the side near the insulated column that supports turning arm 2 of clip slot 11 near fixed contact 1 an outside side, clip slot 11 is that V-type is that a lateral section of clip slot 11 is V-type near fixed contact 1 outside sides, and the larger mouth of width towards the outside of fixed contact 1 namely near the direction of the insulated column that supports turning arm 2.So arrange, when turning arm 2 drove the moving contact rotation, the width of rebate of clip slot 11 was wider, makes moving contact be more prone to enter clip slot 11.
Further, conductive plate 6 can be connected with turning arm 2 by connecting plate 4, so arrange, the shape of conductive plate 6 can be made as the shape that is complementary with clip slot 11, can not be subject to the restriction of turning arm 2, can be rectangle such as conductive plate 6, width is less than the width of turning arm 2, and the edge line of one side overlaps with turning arm 2 edge lines.For the ease of dismounting, can be bolted to connection between conductive plate 6 and the connecting plate 4, also can be bolted to connection between connecting plate 4 and the turning arm 2 simultaneously, certainly can also connect by the mode of welding, be not construed as limiting at this.
In addition, in order to strengthen the active force of the first Compress Spring 12 and the second Compress Spring 13, the quantity of the first Compress Spring 12 can be for a plurality of and be arranged side by side, the quantity of the second Compress Spring 13 also is a plurality of and is arranged side by side simultaneously, wherein a plurality of the first Compress Springs 12 and a plurality of the second Compress Spring 13 can be arranged side by side along the Width of fixed contact 1 and also can alongst be arranged side by side, and are not construed as limiting at this.Further, the quantity of the first Compress Spring 12 and the second Compress Spring 13 can be three, certainly can also be not construed as limiting at this for two or four.Wherein, upper wall that can fixed contact 1 or lower pars intramuralis arrange outstanding fixed leg, and the first Compress Spring 12 and the second Compress Spring 13 are set on the fixed leg, cause the first Compress Spring 12 and the second Compress Spring 13 to deform to avoid long-time the use.
In addition, the first wall and upper wall can be bolted to connection, and the second wall and lower wall also can be bolted to connection, and certainly can also fix by the mode of welding, are not construed as limiting at this.
Based on the conducting loop structure that provides in above-described embodiment, the present invention also provides a kind of isolating switch, this isolating switch comprises conducting loop structure and supports the insulation column 5 of fixed contact 1 or turning arm 2, wherein, conducting loop structure is specially the conducting loop structure that above-mentioned arbitrary embodiment describes.Because this isolating switch has adopted the conducting loop structure in above-described embodiment, so the beneficial effect of isolating switch please refer to above-described embodiment.
Wherein, offer the bolt hole that runs through its width on the turning arm 2, for being fixed with support 3 on the insulation column 5 that supports turning arm 2, and the mounting ear that offers bolt hole that has paired setting on the support 3, turning arm 2 are arranged between two paired mounting ears and by bolt and are fixedly connected with it.So turning arm 2 can be fixedly installed on the insulation column 5, certainly can also by other means turning arm 2 be fixed on the insulated column, the top such as directly being welded on insulation column 5 is not construed as limiting at this.
Further, for prevent between turning arm 2 and the support 3 be connected loosening, can also between mounting ear and turning arm 2, stainless steel packing ring, stainless steel spring packing ring and rubber washer be set, packing ring or the cushion block of plastic material can also be set certainly, cause spring annealing to be lost efficacy to prevent shunting.
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can in the situation that does not break away from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a conducting loop structure comprises fixed contact (1) and turning arm (2), and the two ends of described turning arm (2) are fixed with the moving contact that can contact and conduct electricity with described fixed contact (1), it is characterized in that,
One side sidewall of the close described turning arm (2) of described fixed contact (1) comprises the first wall and the second wall that distributes up and down, described the first wall one end is fixedly connected with the upper wall of described fixed contact (1), the other end to described fixed contact (1) inner extend and and described upper wall between be provided with the first Compress Spring (12), the two ends of described the first Compress Spring (12) respectively with described upper wall be connected wall and be connected; Described the second wall one end is fixedly connected with the lower wall of described fixed contact (1), the other end to described fixed contact (1) inner extend and and described upper wall between be provided with the second Compress Spring (13), the two ends of described the second Compress Spring (13) respectively with described lower wall be connected wall and be connected, be formed for the clip slot (11) of accommodating described moving contact between described the first wall and the second wall;
Described moving contact is specially the conductive plate (6) that can be located in the described clip slot (11).
2. conducting loop structure according to claim 1 is characterized in that, described clip slot (11) is V-type near the outside side of described fixed contact (1), and the V-type mouth is towards the outside of described fixed contact (1).
3. conducting loop structure according to claim 2 is characterized in that, described conductive plate (6) is connected with described turning arm (2) by connecting plate (4).
4. conducting loop structure according to claim 3 is characterized in that, all is bolted to connection between described conductive plate (6) and the connecting plate (4) and between described connecting plate (4) and the turning arm (2).
5. conducting loop structure according to claim 1 is characterized in that, the quantity of described the first Compress Spring (12) is a plurality of and is arranged side by side that the quantity of described the second Compress Spring (13) is a plurality of and is arranged side by side.
6. conducting loop structure according to claim 5 is characterized in that, the quantity of described the first Compress Spring (12) and the second Compress Spring (13) is three.
7. conducting loop structure according to claim 1 is characterized in that, described the first wall and upper wall are bolted to connection, and described the second wall and lower wall also are bolted to connection.
8. an isolating switch comprises conducting loop structure and the insulation column (5) that supports fixed contact (1) or turning arm (2), it is characterized in that described conducting loop structure is specially each described conducting loop structure of claim 1-7.
9. isolating switch according to claim 8, it is characterized in that, described turning arm offers the bolt hole that runs through its width on (2), for being fixed with support (3) on the insulation column (5) that supports described turning arm (2), and the mounting ear that offers bolt hole that has paired setting on the described support (3), described turning arm (2) are arranged between two paired mounting ears and by bolt and are fixedly connected with it.
10. isolating switch according to claim 9 is characterized in that, described mounting ear and turning arm also are provided with stainless steel packing ring, stainless steel spring packing ring and rubber washer between (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310314444.8A CN103367020B (en) | 2013-07-24 | 2013-07-24 | Isolating switch and conducting loop structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310314444.8A CN103367020B (en) | 2013-07-24 | 2013-07-24 | Isolating switch and conducting loop structure thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103367020A true CN103367020A (en) | 2013-10-23 |
| CN103367020B CN103367020B (en) | 2015-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310314444.8A Active CN103367020B (en) | 2013-07-24 | 2013-07-24 | Isolating switch and conducting loop structure thereof |
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| Country | Link |
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| CN (1) | CN103367020B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109564829A (en) * | 2016-08-03 | 2019-04-02 | 西门子股份公司 | Contact arm and its application method for high-tension switch gear |
| CN112038156A (en) * | 2020-06-22 | 2020-12-04 | 平高集团有限公司 | Double-fracture isolating switch and high-voltage line connecting structure |
| CN112635211A (en) * | 2020-12-18 | 2021-04-09 | 双城市机电技术开发有限公司 | Heavy current moving contact structure |
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| CN203367128U (en) * | 2013-07-24 | 2013-12-25 | 国家电网公司 | Isolation switch and electric conduction return circuit structure thereof |
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| CN201256103Y (en) * | 2008-08-11 | 2009-06-10 | 瓦房店高压开关有限公司 | External pressing contact tip mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109564829A (en) * | 2016-08-03 | 2019-04-02 | 西门子股份公司 | Contact arm and its application method for high-tension switch gear |
| CN112038156A (en) * | 2020-06-22 | 2020-12-04 | 平高集团有限公司 | Double-fracture isolating switch and high-voltage line connecting structure |
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| CN112635211B (en) * | 2020-12-18 | 2023-11-03 | 双城市机电技术开发有限公司 | Heavy current moving contact structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103367020B (en) | 2015-08-05 |
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