CN205177700U - High voltage isolation ground connection vacuum circuit breaker - Google Patents
High voltage isolation ground connection vacuum circuit breaker Download PDFInfo
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- CN205177700U CN205177700U CN201520939329.4U CN201520939329U CN205177700U CN 205177700 U CN205177700 U CN 205177700U CN 201520939329 U CN201520939329 U CN 201520939329U CN 205177700 U CN205177700 U CN 205177700U
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- axle
- breaker
- circuit breaker
- vacuum circuit
- circuit
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Abstract
The utility model discloses a high voltage isolation ground connection vacuum circuit breaker, including the frame, pressing three of three -phase distribution and organize isolator, vacuum circuit breaker and earthing switch, vertical fixing is in the frame in proper order for every isolator of group, vacuum circuit breaker, earthing switch, and the circuit breaker still includes operating device, and operating device is fixed in the frame and operationally controls isolator, vacuum circuit breaker, earthing switch. With isolator, vacuum circuit breaker, earthing switch longitudinal arrangement, the operating system through the integration makes the whole volume of circuit breaker dwindle, has simplified the structure.
Description
Technical field
The utility model relates to circuit breaker, particularly relates to a kind of vacuum circuit-breaker.
Background technology
Existing 3.6kV ~ 12kV high-pressure vacuum breaker generally only has circuit breaker and operating mechanism thereof, does not comprise isolating switch and earthed switch.In actual production, need separately for circuit breaker joins isolating switch and earthed switch, and isolating switch, earthed switch operating system separately.The volume ratio causing whole circuit breaker is like this comparatively large, and cost is high, interlocks unreliable.If operating personnel are unskilled, may operate miss be there is, machine be broken down, even produces potential safety hazard.
Utility model content
The purpose of this utility model solves the deficiencies in the prior art, provides a kind of high_voltage isolation ground connection vacuum circuit-breaker, isolating switch, vacuum circuit-breaker, earthed switch and operating system can be integrated and reduce circuit breaker overall dimension.
A kind of high_voltage isolation ground connection vacuum circuit-breaker, three groups of isolating switches, vacuum circuit-breaker and earthed switches comprise frame, distributing by three-phase, often organizing isolating switch, vacuum circuit-breaker, earthed switch is vertically fixed in described frame successively, described circuit breaker also comprises operating mechanism, and described operating mechanism is fixed on described frame and operationally controls described isolating switch, described vacuum circuit-breaker, described earthed switch.
Preferably, described isolating switch comprises the first axle, described vacuum circuit-breaker comprises the second axle, described earthed switch comprises the 3rd axle, described first axle, the second axle, the 3rd between centers are every arranging and being fixed in described frame rotationally, the rotation of described first axle can drive described isolating switch deciliter, the rotation of described second axle can drive described vacuum circuit-breaker deciliter, the rotation of described 3rd axle can drive described earthed switch deciliter.
Preferably, also comprise the 4th axle, described 4th is located between described 3rd axle and described second axle, and it is comparatively close with described 3rd axle, one end of described 4th axle is located in described frame, the other end passes from the side of described frame, the side of described frame is passed at described 4th axle, the second interlock connecting lever is established in described 4th axle outer end, the side of described frame is passed at described first axle, the first interlock connecting lever is established in described first axle outer end, and described second interlock connecting lever and described first connecting lever that links is connected by kinematic link.
Preferably, described first interlock connecting lever is fixedly connected with a spacer spring away from one end of described first axle, and the other end of described spacer spring is fixed in described frame.
Preferably, what described second axle, the 3rd axle, the 4th axle passed described frame is respectively equipped with the second cam, the 3rd cam, four-cam first, and described 3rd cam contacts with described four-cam, when four-cam rotates to certain angle, described 3rd cam locking, and cannot rotate; Locking connecting rod is established between described four-cam and described second cam, when the 3rd cam rotates to certain angle, described second cam locking, and cannot rotate.
Preferably, described isolating switch comprises isolation fixed contact, insulating supporting seat, isolation knife, insulating cylinder, described isolation fixed contact is fixed on the side of described insulating cylinder by described insulating supporting seat, one end of described isolation knife is fixed on the same side of described insulating cylinder rotationally, the opposite side of described insulating cylinder is fixed on one end of described vacuum circuit-breaker, described isolation knife is connected with spacer link towards the side of described insulating supporting seat, described spacer link one end is connected with described isolation knife, and the other end is connected with described first axle by isolating switch connecting lever.
Preferably, described vacuum circuit-breaker comprises pole, described pole internally provided with vacuum arc control device, the circuit breaker static contact of described vacuum circuit-breaker is fixed on the side of close described isolating switch in described pole and is electrically connected with described isolating switch, moving contact of breaker and the described circuit breaker static contact of described vacuum circuit-breaker are arranged in opposite directions, the side of described moving contact of breaker described circuit breaker static contact is dorsad fixedly connected with insulating bar, described insulating bar is fixedly connected with circuit breaker second connecting lever by circuit breaker connecting rod away from one end of described moving contact of breaker, circuit breaker first connecting lever one end is connected rotationally with circuit breaker second connecting lever, the other end is connected rotationally with described second axle, it is outer and be electrically connected with described pole that wire outlet seat one end of described vacuum circuit-breaker is fixedly connected on described pole, the other end stretches out described pole and along pole to downward-extension.
Preferably, described vacuum circuit-breaker also comprises a breaker spring, and described frame is fixed in described breaker spring one end, and the other end is fixedly connected with described circuit breaker connecting rod.
Preferably, described earthed switch comprises the grounding static contact be fixedly connected with described vacuum circuit-breaker, the earthing be fixedly connected with rotationally with described 3rd axle, described earthing is fixedly connected with a ground spring away from one end of described 3rd axle, and described 3rd axle is fixed on by earthed crank arm in one end that described ground spring is not fixed with described earthing.
Preferably, described operating mechanism comprises guidance panel, and the one side of described operating mechanism away from described frame be located at by described guidance panel.
Scheme is known thus, by isolating switch, vacuum circuit-breaker, earthed switch longitudinal arrangement, by the operating system of integration, overall volume is reduced, simplifies the structure.
Above-mentioned explanation is only the general introduction of technical solutions of the utility model, in order to technological means of the present utility model can be better understood, and can be implemented according to the content of specification, and can become apparent to allow above and other object of the present utility model, feature and advantage, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, be described in detail as follows.
Accompanying drawing explanation
Fig. 1 is the stereogram of the high_voltage isolation ground connection vacuum circuit-breaker of better embodiment.
Fig. 2 is the end view of circuit breaker
Fig. 3 is the cutaway view of circuit breaker.
Fig. 4 is the front view of circuit breaker.
Fig. 5 is the rear view of circuit breaker.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below in conjunction with accompanying drawing, the utility model is described further.
As shown in Figure 1, high_voltage isolation ground connection vacuum circuit-breaker 1 comprises frame 10, operating mechanism 50, three groups of isolating switches 20 by three-phase distribution, vacuum circuit-breaker 30 and earthed switch 40.Often group isolating switch 20, vacuum circuit-breaker 30, earthed switch 40 are vertically fixed in frame 10 successively, and operating mechanism 50 is fixed on the lateral surface of frame 10, and operating mechanism 50 is for controlling the operation of isolating switch 20, vacuum circuit-breaker 30 and earthed switch 40.
As shown in Figure 2, frame 10 comprises the second side plate 102 that the first side plate 101 and the first side plate 101 be oppositely arranged, is connected to backboard 103 between the first side plate 101 and the second side plate 102.First side plate 101, second side plate 102 and backboard surround a frame chamber 104 jointly.
As shown in Figures 1 to 5, three groups of isolating switches 20, vacuum circuit-breaker 30, earthed switch 40 to be arranged at intervals in frame chamber 103 and to be spaced setting from the first side plate 101 toward the direction of the second side plate 102, and isolating switch 20, vacuum circuit-breaker 30 and earthed switch 40 are vertically arranged successively.
As shown in Fig. 3, Fig. 5, isolating switch 20 is fixed on one end of frame 10, and isolating switch 20 comprises insulating cylinder 201, insulating supporting seat 202, isolation knife 203, isolation fixed contact 204, spacer link 205, isolation connecting lever 206 and the first axle 207.First axle 207 is parallel to frame 10 and arranges, and the first side plate 101 upper end is fixed in one end of the first axle 207, and the other end passes from the one side of the second side plate 102 away from operating mechanism 50 through frame 10.Insulating cylinder 201 is near the first axle 207, insulating cylinder 201 is fixedly connected with insulated leg 202 away from the side of vacuum circuit-breaker 30, isolation fixed contact 204 is fixedly connected on the same side of insulating cylinder 201 rotationally, and insulated leg 202 is fixedly connected with isolation fixed contact away from the side of insulating cylinder 201.Isolation knife 203 establishes isolation knife connector 2031 towards the one side of insulated leg 202, and spacer link 205 is connected with isolation knife 203 by isolation knife connector 2031.Isolation connecting lever 206 one end connects spacer link 205, and the other end to be placed on the first axle 207 and to rotate under the drive of the first axle 207.
As shown in Fig. 3, Fig. 5, vacuum circuit-breaker 30 is fixed on the middle part of frame 10, pole 301 is located at the top of vacuum circuit-breaker 30, vacuum interrupter 3011 is provided with in pole 301, circuit breaker static contact 3012 is fixed on the side of vacuum interrupter 3011 near insulating cylinder 301, and circuit breaker static contact 3012 is electrically connected with isolation knife 203.Moving contact of breaker 3013 is in vacuum interrupter 3011 and be oppositely arranged with circuit breaker static contact 3012, moving contact of breaker 3013 connects insulating bar 303 away from one end of circuit breaker static contact 3012, insulating bar 303 is fixedly connected with circuit breaker connecting rod 304 away from one end of moving contact of breaker 3013, circuit breaker connecting rod 304 one end is stretched into pole 301 and is fixedly connected with insulating bar 303, and the other end passes pole 301 and is fixedly connected with rotationally with circuit breaker second connecting lever 305.Second axle 307 is parallel to the first axle 207 and arranges, and one end of the second axle 307 other end of being fixed on the first side plate 101, second axle 307 passes from the one side of the second side plate 102 away from operating mechanism 50 through frame.Second connecting lever 305 is fixedly connected with first connecting lever 306, first connecting lever 306 one end rotationally away from one end of circuit breaker connecting rod 304 and connects the second connecting lever 305, and the other end to be placed on the second axle 307 and to rotate under the drive of the second axle 307.Vacuum circuit-breaker 30 is also provided with breaker spring 308, and breaker spring 308 one end is fixed in frame 10, and the other end is fixedly connected with circuit breaker connecting rod 304.When breaker spring 308 is in energy storage state, the dynamics that circuit breaker connecting rod 304 is certain can be applied to, realize the opening and closing lock of vacuum circuit-breaker.Wire outlet seat 302 is fixed on the outer side away from frame chamber 103 of pole, and one end of wire outlet seat 302 is electrically connected with the conductive materials in pole 301, the other end of wire outlet seat 302 along pole 301 externally to downward-extension.When isolating switch and vacuum circuit-breaker are all in closing position, electric current flows into from isolation fixed contact 204, flows through isolation knife 203, circuit breaker static contact 3012, moving contact of breaker 3013, and flows out through wire outlet seat 302.
As shown in Fig. 3, Fig. 5, earthed switch 40 comprises grounding static contact 401, earthing 402, ground spring 403, earthed crank arm the 404, three axle 405.Grounding static contact 401 is fixedly connected with wire outlet seat 302,3rd axle 405 is parallel to frame 10 and arranges, the first side plate 101 lower end is fixed in one end of 3rd axle 405, and the other end of the 3rd axle 405 passes from the one side of the second side plate 102 away from operating mechanism 50 through frame 10.One end of earthed crank arm 404 is placed on the 3rd axle 405, the other end of earthed crank arm 404 is fixedly connected with ground spring 403, one end of earthing 402 and earthed crank arm 404 are together placed on the 3rd axle 405, and the other end of earthing 402 is not fixedly connected with one end of earthed crank arm 404 with ground spring 403.
As shown in Figure 5,4th axle 501 is parallel to the 3rd axle 405 and is fixed in frame 10,4th axle 501 is located between the 3rd axle 405 and the second axle 307 also nearer apart from the 3rd axle 405,4th axle 501 one end is fixed in frame 10, and the other end passes from the one side of the second side plate 102 away from operating mechanism 50 through frame 10.The end of the second side plate 102 side is passed, if the second interlock connecting lever 5012 at the 4th axle 501.Pass the end of the second side plate 102 side at the first axle 207, if the first interlock connecting lever 2071, first links, connecting lever 2071 and second is linked between connecting lever 5012 and is connected by drive link 2072.First interlock connecting lever 2071 is fixedly connected with spacer spring 2073 away from one end of the first axle 207, and one end and first of spacer spring 2073 connecting lever 2071 that links is fixedly connected with, and the other end is fixedly connected with the second side plate 102.The end passing the second side plate 102 side at the 4th axle 501 is also provided with four-cam 5011, and four-cam 5011 is between the second interlock connecting lever 5012 and the second side plate 102.The end passing the second side plate 102 side at the 3rd axle 405 is provided with the 3rd cam the 4051, three cam 4051 and contacts with four-cam 5011, and when four-cam 5011 rotates to certain angle, the 3rd cam 4051 locking, the 3rd axle 405 cannot rotate.The end passing the second side plate 102 side at the second axle 307 is provided with the second cam 3071, locking connecting rod 3072 is established between second cam 3071 and four-cam 5011, when four-cam 5011 rotates to certain angle, the second cam 3071 locking, the second axle 307 cannot rotate.
As shown in Figure 1, Figure 2 and shown in Fig. 4, operating mechanism 50 is fixed on the one side of the first side plate 101 away from the second side plate 102.Operating mechanism 50 comprises guidance panel 502, cabinet door interlocking gear 503.Guidance panel 502 is parallel to the first side plate 101 and externally arranges, and guidance panel 502 has some buttons 5021, operating personnel operate circuit breaker by button 5021.Cabinet door interlocking gear 503 is located at the bottom of the side connecting behaviour's panel 502 and the first side plate 101.When circuit breaker is loaded breaker cabinet, cabinet door interlocking gear 503 can control the chain of circuit breaker and cabinet door.
The utility model, by isolating switch, vacuum circuit-breaker, earthed switch longitudinal arrangement, makes overall volume reduce by the operating system of integration, simplifies the structure.
It is more than embodiment of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications are also considered as protection range of the present utility model.
Claims (10)
1. a high_voltage isolation ground connection vacuum circuit-breaker, three groups of isolating switches, vacuum circuit-breaker and earthed switches comprise frame, distributing by three-phase, often organizing isolating switch, vacuum circuit-breaker, earthed switch is vertically fixed in described frame successively, it is characterized in that: described circuit breaker also comprises operating mechanism, described operating mechanism is fixed on described frame and operationally controls described isolating switch, described vacuum circuit-breaker, described earthed switch.
2. circuit breaker as claimed in claim 1, it is characterized in that: described isolating switch comprises the first axle, described vacuum circuit-breaker comprises the second axle, described earthed switch comprises the 3rd axle, described first axle, the second axle, the 3rd between centers are every arranging and being fixed in described frame rotationally, the rotation of described first axle can drive described isolating switch deciliter, the rotation of described second axle can drive described vacuum circuit-breaker deciliter, the rotation of described 3rd axle can drive described earthed switch deciliter.
3. circuit breaker as claimed in claim 2, it is characterized in that: also comprise the 4th axle, described 4th is located between described 3rd axle and described second axle, and it is comparatively close with described 3rd axle, one end of described 4th axle is located in described frame, the other end passes from the side of described frame, the side of described frame is passed at described 4th axle, the second interlock connecting lever is established in described 4th axle outer end, the side of described frame is passed at described first axle, the first interlock connecting lever is established in described first axle outer end, described second interlock connecting lever and described first connecting lever that links is connected by kinematic link.
4. circuit breaker as claimed in claim 3, is characterized in that: described first interlock connecting lever is fixedly connected with a spacer spring away from one end of described first axle, and the other end of described spacer spring is fixed in described frame.
5. circuit breaker as claimed in claim 3, it is characterized in that: what described second axle, the 3rd axle, the 4th axle passed described frame is respectively equipped with the second cam, the 3rd cam, four-cam first, described 3rd cam contacts with described four-cam, when four-cam rotates to certain angle, described 3rd cam locking, and cannot rotate; Locking connecting rod is established between described four-cam and described second cam, when the 3rd cam rotates to certain angle, described second cam locking, and cannot rotate.
6. circuit breaker as claimed in claim 2, it is characterized in that: described isolating switch comprises isolation fixed contact, insulating supporting seat, isolation knife, insulating cylinder, described isolation fixed contact is fixed on the side of described insulating cylinder by described insulating supporting seat, one end of described isolation knife is fixed on the same side of described insulating cylinder rotationally, the opposite side of described insulating cylinder is fixed on one end of described vacuum circuit-breaker, described isolation knife is connected with spacer link towards the side of described insulating supporting seat, described spacer link one end is connected with described isolation knife, the other end is connected with described first axle by isolating switch connecting lever.
7. circuit breaker as claimed in claim 2, it is characterized in that: described vacuum circuit-breaker comprises pole, described pole internally provided with vacuum arc control device, the circuit breaker static contact of described vacuum circuit-breaker is fixed on the side of close described isolating switch in described pole and is electrically connected with described isolating switch, moving contact of breaker and the described circuit breaker static contact of described vacuum circuit-breaker are arranged in opposite directions, the side of described moving contact of breaker described circuit breaker static contact is dorsad fixedly connected with insulating bar, described insulating bar is fixedly connected with circuit breaker second connecting lever by circuit breaker connecting rod away from one end of described moving contact of breaker, circuit breaker first connecting lever one end is connected rotationally with circuit breaker second connecting lever, the other end is connected rotationally with described second axle, it is outer and be electrically connected with described pole that wire outlet seat one end of described vacuum circuit-breaker is fixedly connected on described pole, the other end stretches out described pole and along pole to downward-extension.
8. circuit breaker as claimed in claim 7, it is characterized in that: described vacuum circuit-breaker also comprises a breaker spring, described frame is fixed in described breaker spring one end, and the other end is fixedly connected with described circuit breaker connecting rod.
9. circuit breaker as claimed in claim 2, it is characterized in that: described earthed switch comprises the grounding static contact be fixedly connected with described vacuum circuit-breaker, the earthing be fixedly connected with rotationally with described 3rd axle, described earthing is fixedly connected with a ground spring away from one end of described 3rd axle, and described 3rd axle is fixed on by earthed crank arm in one end that described ground spring is not fixed with described earthing.
10. circuit breaker as claimed in claim 1, it is characterized in that: described operating mechanism comprises guidance panel, the one side of described operating mechanism away from described frame be located at by described guidance panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520939329.4U CN205177700U (en) | 2015-11-23 | 2015-11-23 | High voltage isolation ground connection vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520939329.4U CN205177700U (en) | 2015-11-23 | 2015-11-23 | High voltage isolation ground connection vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205177700U true CN205177700U (en) | 2016-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520939329.4U Active CN205177700U (en) | 2015-11-23 | 2015-11-23 | High voltage isolation ground connection vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205177700U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111091998A (en) * | 2018-10-23 | 2020-05-01 | 福建工程学院 | Outdoor miniaturized high-voltage alternating-current isolation series linkage vacuum circuit breaker |
-
2015
- 2015-11-23 CN CN201520939329.4U patent/CN205177700U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111091998A (en) * | 2018-10-23 | 2020-05-01 | 福建工程学院 | Outdoor miniaturized high-voltage alternating-current isolation series linkage vacuum circuit breaker |
| CN111091998B (en) * | 2018-10-23 | 2022-06-28 | 福建工程学院 | Outdoor miniaturized high-voltage alternating-current isolation series linkage vacuum circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Three, E (-4), Seaview Plaza, Prince Edward Road, Shenzhen, Guangdong, Nanshan District 518000, China Patentee after: Asia Electrical Power Equipment (Shenzhen) Co.,Ltd. Address before: Three, E (-4), Seaview Plaza, Prince Edward Road, Shenzhen, Guangdong, Nanshan District 518000, China Patentee before: ASIA ELECTRICAL POWER EQUIPMENT (SHENZHEN) Co.,Ltd. |