CN112309762A - General type intelligent high-speed circuit breaker device - Google Patents
General type intelligent high-speed circuit breaker device Download PDFInfo
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- CN112309762A CN112309762A CN202011246741.XA CN202011246741A CN112309762A CN 112309762 A CN112309762 A CN 112309762A CN 202011246741 A CN202011246741 A CN 202011246741A CN 112309762 A CN112309762 A CN 112309762A
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- magnetic yoke
- circuit breaker
- coil
- closing
- opening
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
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Abstract
The invention belongs to the technical field of vacuum circuit breakers, and particularly relates to a universal intelligent high-speed circuit breaker device which comprises a vacuum arc extinguish chamber and a single-phase eddy repulsion structure; the single-phase vortex repulsion structure comprises a vortex disc, a suction plate and a middle shaft screw rod; the upper end of the vortex disc is provided with a closing coil, the lower end of the vortex disc is provided with a separating coil, the lower end of the separating coil is connected with a separating and maintaining magnetic yoke, the lower end surface of the separating and maintaining magnetic yoke is provided with a magnetic yoke supporting rod, the lower end of the magnetic yoke supporting rod is connected with a closing and maintaining magnetic yoke, the suction plate is arranged between the separating and maintaining magnetic yoke and the closing and maintaining magnetic yoke, a middle shaft screw penetrates through the closing coil, the vortex disc, the separating coil, the separating and maintaining magnetic yoke, the suction plate and the closing and maintaining magnetic yoke from top to bottom and extends downwards, and the middle shaft screw is fixedly connected with the; the invention adopts the single-phase eddy repulsion force and the crank arm transmission operating mechanism, has less moving parts and light weight, and has faster switching-on and switching-off speed under the condition of the same repulsion force.
Description
Technical Field
The invention belongs to the technical field of vacuum circuit breakers, and particularly relates to a universal intelligent high-speed circuit breaker device.
Background
The traditional circuit breaker in the power system is a spring energy storage structure, the opening and closing time is too long, and the judgment time of a controller is added, so that when the system has a short-circuit fault, the time for breaking the fault reaches more than 80ms, the voltage of the system is temporarily reduced, and a large-area power failure accident occurs.
Although the opening and closing speed of the high-speed vacuum circuit breaker based on the eddy current repulsion structure is greatly improved, the problems of long judging time and slow action of the traditional circuit breaker are solved, the adopted eddy current repulsion structure is assembled below the arc extinguish chamber, so that the device is high in size, can only be applied to special loads or functional places, cannot meet the requirements on interchangeability and universality, and the large-area popularization and use of the technology is limited.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a universal intelligent high-speed circuit breaker device.
In order to achieve the purpose, the invention adopts the following technical scheme:
a general intelligent high-speed circuit breaker device comprises a vacuum arc extinguish chamber and a single-phase eddy repulsion structure arranged beside the vacuum arc extinguish chamber;
the single-phase vortex repulsion structure comprises a vortex disc, a suction plate and a middle shaft screw rod;
the upper end of the vortex disc is provided with a closing coil, the lower end of the vortex disc is provided with an opening coil, the closing coil and the opening coil are connected through a coil support rod,
the lower end of the opening coil is connected with an opening maintaining magnetic yoke, the lower end surface of the opening maintaining magnetic yoke is provided with a magnetic yoke supporting rod, the lower end of the magnetic yoke supporting rod is connected with a closing maintaining magnetic yoke,
the suction plate is arranged between the opening and closing holding magnetic yokes,
the middle shaft screw rod penetrates through the closing coil, the vortex disc, the opening coil, the opening retaining magnetic yoke, the suction plate and the closing retaining magnetic yoke from top to bottom and extends downwards, and the middle shaft screw rod is fixedly connected with the vortex disc and the suction plate respectively;
the lower end of the middle shaft screw rod is connected with a terminal of a crank arm transmission mechanism, the other end of the crank arm transmission mechanism is fixed on a main transmission shaft, the main transmission shaft is fixedly connected with one end of a three-phase crank arm, and the other end of the three-phase crank arm is fixedly connected with the lower end of an insulating buffer pull rod in a vacuum arc extinguishing chamber.
In a further technical scheme, a compression disc spring nut is arranged on the lower extension section of the middle shaft screw rod.
In a further technical scheme, the high-speed circuit breaker device further comprises a current measuring element, wherein the current measuring element is sleeved on a contact arm of the circuit breaker after being sealed and poured, and is used for measuring the current of a loop, the bottom of the current measuring element is fixed on a base of the circuit breaker, and a measuring secondary line is led out from the inside of the component and connected with a measuring interface of the controller.
In a further technical scheme, the controller is fixed in the circuit breaker and is connected into the measurement loop and outputs a control signal to the power input interface through a secondary line;
the controller inside be equipped with wireless reflection antenna module be used for with the communication of outside cloud server and thing networking, each item operation and the parameter setting of controller are accomplished through the touch-sensitive screen of fixing on the circuit breaker shell.
In a further technical scheme, the high-speed circuit breaker device further comprises an opening input interface and a closing input interface for an external movable power supply to be connected, and the opening input interface is used for operating the opening of the circuit breaker device.
Compared with the prior art, the invention has the following technical effects:
the universal intelligent high-speed circuit breaker device provided by the invention has the advantages that the single-phase eddy current repulsion force and the crank arm transmission operating mechanism are adopted, the number of moving parts is small, the weight is light, the speed is higher under the condition of the same repulsion force, and the opening time of 3ms and the closing time of 10ms are realized.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
Fig. 1 is a schematic diagram illustrating an internal structure of a general-purpose intelligent high-speed circuit breaker apparatus according to an embodiment of the present invention;
fig. 2 is a schematic partial cross-sectional view of the universal intelligent high speed circuit breaker apparatus of fig. 1;
fig. 3 is a schematic structural view of another view of the universal intelligent high speed circuit breaker apparatus of fig. 1;
the reference numbers in the figures illustrate: the device comprises a vacuum arc extinguish chamber 1, a vortex disc 2, a suction plate 3, a central shaft screw 4, a closing coil 5, an opening coil 6, a coil support rod 7, an opening holding magnetic yoke 8, a magnetic yoke support rod 9, a closing holding magnetic yoke 10, a crank arm transmission mechanism 11, a main transmission shaft 12, a three-phase crank arm 13, a compression disc spring nut 14, a controller 15, a discharge capacitor 16 and a charge capacitor 17.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further clarified by combining the specific drawings.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1, 2 and 3, the present invention provides a general intelligent high-speed circuit breaker device, which includes a vacuum arc-extinguishing chamber 1 and a single-phase eddy current repulsion structure disposed beside the vacuum arc-extinguishing chamber;
the single-phase vortex repulsion structure comprises a vortex disc 2, a suction plate 3 and a middle shaft screw rod 4;
the upper end of the vortex disc 2 is provided with a closing coil 5, the lower end is provided with an opening coil 6, the closing coil 5 is connected with the opening coil 6 through a coil support rod 7,
the lower end of the opening coil 6 is connected with an opening maintaining magnetic yoke 8, the lower end surface of the opening maintaining magnetic yoke 8 is provided with a magnetic yoke supporting rod 9, and the lower end of the magnetic yoke supporting rod 9 is connected with a closing maintaining magnetic yoke 10;
the suction plate 3 is arranged between the opening holding yoke 8 and the closing holding yoke 10,
the middle shaft screw rod 4 penetrates through the closing coil 5, the vortex disc 2, the opening coil 6, the opening maintaining magnetic yoke 8, the suction plate 3 and the closing maintaining magnetic yoke 10 from top to bottom and extends downwards, and the middle shaft screw rod 4 is fixedly connected with the vortex disc 2 and the suction plate 3 respectively;
the lower end of the middle shaft screw rod 4 is connected with a terminal of a crank arm transmission mechanism 11, the other end of the crank arm transmission mechanism 11 is fixed on a main transmission shaft 12, the main transmission shaft 12 is fixedly connected with one end of a three-phase crank arm 13, and the other end of the three-phase crank arm 13 is fixedly connected with the lower end of an insulating buffer pull rod in the vacuum arc-extinguishing chamber 1.
Referring to fig. 2, a schematic diagram of a portion of the general intelligent high speed circuit breaker apparatus of fig. 1 is shown in cross-section; here, reference numeral 16 denotes a discharge capacitor, and reference numeral 17 denotes a charge capacitor. Fig. 3 is a schematic structural view of another view of the universal intelligent high speed circuit breaker apparatus of fig. 1;
the invention adopts single mechanism eddy current repulsion force to operate the driving mechanism, and drives the vacuum arc-extinguishing chamber 1 to complete the opening or closing function through the crank arm transmission mechanism 11. The working principle of the invention is as follows:
1. when the breaker is to be switched on, a switching-on loop is switched on through a switching-on button on a breaker panel and an electronic switch in a switch power supply is triggered to be switched on, a capacitor in the switch power supply discharges to a switching-on coil 6 to generate an alternating magnetic flux which passes through the vortex disc 2 and induces a vortex on the vortex disc 2, the direction of the alternating magnetic flux generated by the eddy current is opposite to that of the magnetic flux generated by the coil, so as to generate repulsion force, push the mechanism eddy current disc 2 to move downwards and drive the middle shaft screw rod 4 fixed with the mechanism eddy current disc to move downwards, the middle shaft screw rod 4 drives the connecting lever connected with the middle shaft screw rod to move clockwise, and the other end of the connecting lever connected with the movable conducting rod of the vacuum arc-extinguishing chamber 1 moves upwards to complete the closing process of the circuit breaker, at the moment, and the suction plate of the permanent magnet bistable state retaining mechanism on the operating mechanism moves to a switching-on position and is sucked by the switching-on retaining permanent magnet to complete the whole switching-on process.
2. When the breaker is to be opened, the opening loop is connected through an opening button on the breaker panel and an electronic switch in the switch power supply is triggered to be conducted, a capacitor in the switch power supply discharges electricity to an opening coil 5 to generate alternating magnetic flux which penetrates through the vortex disc 2 and induces vortex on the vortex disc 2, the direction of the alternating magnetic flux generated by the eddy current is opposite to that of the magnetic flux generated by the coil, so as to generate repulsion force, push the mechanism eddy current disc 2 to move upwards and drive the central shaft screw rod 4 fixed with the mechanism eddy current disc to move upwards, the middle shaft screw rod 4 drives the connecting lever connected with the middle shaft screw rod to do anticlockwise movement, and the other end of the connecting lever connected with the movable conducting rod of the vacuum arc-extinguishing chamber 1 moves downwards to complete the opening process of the circuit breaker, at the moment, the suction plate 3 of the permanent magnet bistable state retaining mechanism on the operating mechanism moves to the opening position and is held by the opening retaining permanent magnet to complete the whole opening process.
3. When the current passing through the breaker contact arm exceeds the action setting value, the built-in controller of the breaker samples, calculates and judges the current, and then sends a trigger pulse to a power supply trigger circuit of the breaker, so that the breaker is rapidly opened, a fault line is removed within 10ms, and the safe and continuous operation of the system is ensured.
The invention adopts a single-phase eddy repulsion force and a crank arm transmission operating mechanism, has few moving parts and light weight, has higher speed under the condition of the same repulsion force, and realizes the opening of 3ms and the closing of 10 ms.
Furthermore, according to the invention, a compression disc spring nut is arranged on the lower extension section of the middle shaft screw rod 4.
The universal intelligent high-speed circuit breaker device further comprises a current measuring element, wherein the current measuring element is sleeved on a contact arm of the circuit breaker after being sealed and poured, is used for measuring the current of a loop, the bottom of the current measuring element is fixed on a base of the circuit breaker, and a measuring secondary wire is led out from the inside of a component and is connected with a measuring interface of the controller 15.
Further, in the invention, the controller 15 is fixed inside the circuit breaker and is connected to the measurement loop and outputs a control signal to the power input interface through a secondary line;
the inside wireless reflection antenna module that is equipped with of controller 15 be used for with the communication of outside cloud server and thing networking, each item operation and the parameter setting of controller 15 are accomplished through the touch-sensitive screen of fixing on the circuit breaker shell.
The universal intelligent high-speed circuit breaker device also comprises an opening input interface and a closing input interface for an external movable power supply to be connected, and the opening input interface is used for operating the opening of the circuit breaker device. Thus, the opening of the circuit breaker can be externally operated when a problem occurs in the device.
The foregoing shows and describes the general principles, essential features, and inventive features of this invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A general intelligent high-speed circuit breaker device is characterized by comprising a vacuum arc extinguish chamber (1) and a single-phase eddy repulsion structure arranged beside the vacuum arc extinguish chamber;
the single-phase vortex repulsion structure comprises a vortex disc (2), a suction plate (3) and a middle shaft screw (4); the upper end of the vortex disc (2) is provided with a closing coil (5), the lower end is provided with a breaking coil (6), the closing coil (5) is connected with the opening coil (6) through a coil support rod (7), the lower end of the opening coil (6) is connected with an opening maintaining magnetic yoke (8), the lower end surface of the opening maintaining magnetic yoke (8) is provided with a magnetic yoke supporting rod (9), the lower end of the magnetic yoke supporting rod (9) is connected with a closing maintaining magnetic yoke (10), the suction plate (3) is arranged between the opening holding magnetic yoke (8) and the closing holding magnetic yoke (10), the middle shaft screw (4) penetrates through the closing coil (5), the vortex disc (2), the opening coil (6), the opening maintaining magnetic yoke (8), the suction plate (3) and the closing maintaining magnetic yoke (10) from top to bottom and extends downwards, the middle shaft screw (4) is respectively and fixedly connected with the vortex disc (2) and the suction plate (3);
the lower end of the middle shaft screw rod (4) is connected with a terminal of a crank arm transmission mechanism (11), the other end of the crank arm transmission mechanism (11) is fixed on a main transmission shaft (12), the main transmission shaft (12) is fixedly connected with one end of a three-phase crank arm (13), and the other end of the three-phase crank arm (13) is fixedly connected with the lower end of an insulating buffer pull rod in a vacuum arc extinguish chamber (1).
2. A universal intelligent high-speed circuit breaker apparatus according to claim 1, wherein a compression disc spring nut (14) is provided on the lower extension of the central shaft screw (4).
3. The general intelligent high-speed circuit breaker device according to claim 1, further comprising a current measuring element, wherein the current measuring element is sleeved on a contact arm of the circuit breaker after being sealed and poured, and is used for measuring the current of a loop, the bottom of the current measuring element is fixed on a base of the circuit breaker, and a measuring secondary line is led out from the inside of the component and connected to a measuring interface of the controller (15).
4. A universal intelligent high-speed circuit breaker apparatus as claimed in claim 3, wherein said controller (15) is fixed inside the circuit breaker, accessing the measurement circuit and outputting control signal to the power input interface through the secondary line;
the controller (15) inside be equipped with wireless reflection antenna module and be used for with the communication of outside cloud server and thing networking, each item operation and the parameter setting of controller (15) are accomplished through the touch-sensitive screen of fixing on the circuit breaker shell.
5. The universal intelligent high-speed circuit breaker apparatus according to claim 1, further comprising an opening and closing input interface for an external active power source to access for operating the opening of the circuit breaker apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011246741.XA CN112309762A (en) | 2020-11-10 | 2020-11-10 | General type intelligent high-speed circuit breaker device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011246741.XA CN112309762A (en) | 2020-11-10 | 2020-11-10 | General type intelligent high-speed circuit breaker device |
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| Publication Number | Publication Date |
|---|---|
| CN112309762A true CN112309762A (en) | 2021-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011246741.XA Pending CN112309762A (en) | 2020-11-10 | 2020-11-10 | General type intelligent high-speed circuit breaker device |
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| CN (1) | CN112309762A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113725036A (en) * | 2021-08-17 | 2021-11-30 | 安徽合凯电气科技股份有限公司 | Outdoor vortex repulsion high-speed pole-mounted circuit breaker |
| CN113725035A (en) * | 2021-08-17 | 2021-11-30 | 安徽合凯电气科技股份有限公司 | Vortex repulsion mechanism |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106024500A (en) * | 2016-06-24 | 2016-10-12 | 安徽布雷克电气技术有限公司 | Adaptive smart synchronous high-speed switching device |
| CN110148542A (en) * | 2019-05-30 | 2019-08-20 | 安徽大学 | A kind of vortex actuating three mechanism intelligent vacuum circuit breaker of three-phase based on technology of Internet of things |
| CN211150470U (en) * | 2019-12-10 | 2020-07-31 | 安徽合凯电气科技股份有限公司 | Permanent magnet switch opening corrector |
-
2020
- 2020-11-10 CN CN202011246741.XA patent/CN112309762A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106024500A (en) * | 2016-06-24 | 2016-10-12 | 安徽布雷克电气技术有限公司 | Adaptive smart synchronous high-speed switching device |
| CN110148542A (en) * | 2019-05-30 | 2019-08-20 | 安徽大学 | A kind of vortex actuating three mechanism intelligent vacuum circuit breaker of three-phase based on technology of Internet of things |
| CN211150470U (en) * | 2019-12-10 | 2020-07-31 | 安徽合凯电气科技股份有限公司 | Permanent magnet switch opening corrector |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113725036A (en) * | 2021-08-17 | 2021-11-30 | 安徽合凯电气科技股份有限公司 | Outdoor vortex repulsion high-speed pole-mounted circuit breaker |
| CN113725035A (en) * | 2021-08-17 | 2021-11-30 | 安徽合凯电气科技股份有限公司 | Vortex repulsion mechanism |
| CN113725035B (en) * | 2021-08-17 | 2024-05-03 | 安徽合凯电气科技股份有限公司 | Vortex repulsive force mechanism |
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