CN215731544U - Novel circuit breaker - Google Patents
Novel circuit breaker Download PDFInfo
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- CN215731544U CN215731544U CN202122044031.5U CN202122044031U CN215731544U CN 215731544 U CN215731544 U CN 215731544U CN 202122044031 U CN202122044031 U CN 202122044031U CN 215731544 U CN215731544 U CN 215731544U
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Abstract
Novel circuit breaker belongs to circuit breaker technical field. The circuit breaker comprises a breaker main body, wherein driving rods (2) are rotatably arranged on the breaker main body, a manual driving device is connected with two driving rods (2) simultaneously, the manual driving device is driven to rotate, each driving rod (2) is connected with a chassis vehicle of the breaker main body through a transmission mechanism and moves along with the chassis vehicle, an electric driving device is arranged on the chassis vehicle and is connected with the two driving rods (2) simultaneously, the chassis vehicle moves synchronously, limit switches are arranged on the breaker main body on one side of each driving rod (2), and micro switches are arranged on two sides of the chassis vehicle. This novel circuit breaker can make circuit breaker chassis car remove the in-process more stable, prevents accident's emergence, through using chassis car experiment, the operating position auxiliary point normally open the signal as first criterion, and the micro-gap switch contact converts the normally open signal as the second criterion into, can be more accurate the correct judgement circuit breaker chassis car whether reachs operating condition.
Description
Technical Field
Novel circuit breaker belongs to circuit breaker technical field.
Background
Along with the development of the power industry level in China in recent years, the requirement on switch equipment is higher and higher, in order to meet the requirements for power supply reliability and increasing day by day, the operating efficiency of power grid switching is improved, the contact time of workers and primary equipment is reduced, and the safety risk caused by misoperation is reduced, a 'one-key sequence control' scheme is provided, the one-key sequence control operating function can realize one-key completion of complex operations such as inter-conversion from operation of a cross-station line to cold standby, bus inversion and the like, extra manual intervention is not needed in the whole operating process, the power failure time caused by manual operation is greatly shortened, and the power supply reliability is improved. The high-voltage switch cabinet is a device which is used for power generation, power transmission, power distribution, electric energy conversion and consumption of an electric power system and plays roles of switching on and off, controlling or protecting and the like, and is one of important parts of a 'one-key sequence control' scheme, so that the high-voltage switch cabinet brings problems: if the remote control circuit breaker is switched on and off, how to accurately determine whether the circuit breaker is switched on or switched off, and in addition, how to enable the circuit breaker chassis to move stably when the position of the circuit breaker chassis is moved.
The requirement of national grid company to the intelligent cubical switchboard of a key formula sequential control is more and more strict, this just causes more manpower and material resources to put into the research of the intelligent cubical switchboard of a key sequential control, has just brought many problems along with the development in this field, mainly has: when the circuit breaker chassis is driven electrically or manually, how to accurately judge whether the chassis reaches a target position or not is judged; how to ensure that the chassis truck does not shake in the moving process of the chassis truck; when the breaker is opened or closed, how to accurately judge whether the breaker is opened or closed is carried out.
Disclosure of Invention
The technical problem to be solved by the utility model is as follows: the novel circuit breaker overcomes the defects of the prior art, can ensure that the chassis vehicle operates stably, and can accurately judge whether the chassis vehicle reaches a target position.
The technical scheme adopted by the utility model for solving the technical problems is as follows: this novel circuit breaker, its characterized in that: including the circuit breaker main part, the actuating lever, manual drive device, electric drive device, limit switch and micro-gap switch, the rotatable installation of actuating lever is in the circuit breaker main part, manual drive device links to each other with two actuating levers simultaneously, and drive its rotation, each actuating lever all links to each other through the chassis car of drive mechanism with the circuit breaker main part, and drive the motion of chassis car, electric drive device installs on the chassis car, electric drive device links to each other with two actuating levers simultaneously, and drive chassis car synchronous motion, all install limit switch in the circuit breaker main part of each actuating lever one side, micro-gap switch has two of setting in chassis car both sides.
Preferably, manual drive arrangement include manual crank, manual input sprocket, manual drive chain and manual output sprocket, all install manual output sprocket on each actuating lever, manual input sprocket is rotatable installs in the circuit breaker main part, manual crank links to each other with manual input sprocket to drive its rotation, manual input sprocket passes through the manual drive chain and links to each other with two manual output sprockets simultaneously.
Preferably, the transmission mechanism comprises nuts, the outer wall of each driving rod is provided with threads, the driving rods are connected with the nuts through the threads, and the nuts are fixedly connected with the chassis truck and drive the chassis truck to move synchronously.
Preferably, the electric driving device comprises a motor, an electric input chain wheel, an electric output chain wheel and an electric driving chain, the motor is installed on the chassis vehicle, the electric input chain wheel is installed on an output shaft of the motor, the outer wall of each driving rod is provided with threads, the electric output chain wheel is connected with each driving rod in a threaded manner, and the electric input chain wheel is simultaneously connected with the two electric output chain wheels through the electric driving chain.
Preferably, the breaker further comprises a closing position confirmation device, and the closing position confirmation device is connected with the breaker main shaft of the breaker main body.
Preferably, the switching-on position confirmation device comprises an angle sensor, and the angle sensor is connected with the main shaft of the circuit breaker and synchronously rotates along with the main shaft of the circuit breaker.
Preferably, the device for confirming the switching-on position further comprises a connecting shaft, one end of the connecting shaft is connected with the main shaft of the circuit breaker, and the other end of the connecting shaft is connected with the angle sensor.
Compared with the prior art, the utility model has the beneficial effects that:
this novel circuit breaker adopts two actuating levers to realize the drive of chassis car, can make circuit breaker chassis car remove the in-process more stable, prevents accident's emergence, and is experimental through using the chassis car, the operating position auxiliary point normally opens the signal as first criterion, and the micro-gap switch contact is converted into normally open signal as the second criterion, compares the position that the exclusive use limit switch judges circuit breaker chassis car, "two affirmations" can be more accurate judgement circuit breaker chassis car of mistake whether reachs operating condition.
Compared with the scheme that the video sensor is used for providing the second criterion for the working position of the circuit breaker, the microswitch is lower in cost, the step is simple and not tedious when the microswitch is replaced, the microswitch is used for providing the second criterion, and the accuracy is higher than that of the scheme that the video sensor is used for providing the second criterion.
Drawings
Fig. 1 is a schematic top view of a novel circuit breaker chassis position adjustment.
Fig. 2 is a schematic plan view of the closing position confirmation device of the novel circuit breaker.
In the figure: 1. the circuit breaker comprises a limit switch 2, a driving rod 3, a first microswitch 4, a second microswitch 5, a motor 6, a manual crank 7, a first chain wheel 8, a first nut 9, a second chain wheel 10, a third chain wheel 11, a second nut 12, a fourth chain wheel 13, an angle sensor 14, a connecting shaft 15 and a breaker main shaft.
Detailed Description
FIGS. 1-2 illustrate preferred embodiments of the present invention, and the present invention will be further described with reference to FIGS. 1-2.
Novel circuit breaker, including the circuit breaker main part, actuating lever 2, manual drive device, electric drive device, limit switch and micro-gap switch, 2 rotatable installations in the circuit breaker main part of actuating lever, manual drive device links to each other with two actuating levers 2 simultaneously, and drive its rotation, each actuating lever 2 all links to each other with the chassis car of circuit breaker main part through drive mechanism, and drive the motion of chassis car, electric drive device installs on the chassis car, electric drive device links to each other with two actuating levers 2 simultaneously, and drive chassis car synchronous motion, all install limit switch in the circuit breaker main part of one side of each actuating lever 2, micro-gap switch has two of setting in chassis car both sides. This novel circuit breaker adopts two actuating levers 2 to realize the drive of chassis car, can make circuit breaker chassis car remove the in-process more stable, prevent accident's emergence, through using the chassis car experiment, the operating position auxiliary point normally open signal is as first criterion, the micro-gap switch contact is converted into normally open signal as the second criterion, compare the position that the exclusive use limit switch judges circuit breaker chassis car, "two affirmations" can be more accurate judgement circuit breaker chassis car whether reachs operating condition.
The present invention is further described with reference to the following detailed description, however, it should be understood by those skilled in the art that the detailed description given herein with respect to the accompanying drawings is for better explanation and that the present invention is not necessarily limited to the specific embodiments, but rather, for equivalent alternatives or common approaches, may be omitted from the detailed description, while still remaining within the scope of the present application.
Specifically, the method comprises the following steps: as shown in fig. 1: two actuating levers 2 set up respectively in the both sides of chassis car, and the equal rotatable installation of two actuating levers 2 is on the circuit breaker main part. The manual driving device is installed at the bottom of the breaker main body, is simultaneously connected with the lower ends of the two driving rods 2 and drives the two driving rods 2 to synchronously rotate, and a transmission mechanism is arranged between the two driving rods 2 and the chassis vehicle. The electric driving device is arranged on the chassis vehicle, the electric driving device is simultaneously connected with the lower parts of the two driving rods 2, and the electric driving device drives the chassis vehicle to move synchronously.
Manual drive arrangement includes manual crank 6, manual input sprocket, manual drive chain and manual output sprocket, in this embodiment, manual output sprocket includes first sprocket 7 and third sprocket 10, first sprocket 7 is installed at the lower extreme of left actuating lever 2, first sprocket 7 and left actuating lever 2 fixed connection, and drive its synchronous rotation, third sprocket 10 is installed at the lower extreme of right actuating lever 2, third sprocket 10 and right actuating lever 2 fixed connection, and drive its synchronous rotation. The manual input sprocket is located between first sprocket 7 and third sprocket 10, the manual input sprocket passes through the rotatable installation in the circuit breaker main part of installation axle, the installation axle is rotatable to link to each other with the circuit breaker main part, the manual input sprocket links to each other with the installation axle, and rotate along with it in step, manual crank 6 links to each other with the installation axle, and drive the manual input sprocket through the installation axle and rotate, the manual input sprocket passes through the manual drive chain and links to each other with first sprocket 7 and third sprocket 10 simultaneously, and then drives 2 synchronous rotations of two actuating levers.
Drive mechanism includes first nut 8 and second nut 11, 2 outer walls of two actuating levers all are provided with the screw thread, 8 covers of first nut are established in the lower part outside of left actuating lever 2, 2 threaded connection of first nut 8 and left actuating lever, 11 covers of second nut are established in the lower part outside of the actuating lever 2 on right side, 2 threaded connection of second nut 11 and the actuating lever on right side, first nut 8 and second nut 11 respectively with the corresponding side fixed connection of chassis car to drive chassis car synchronous motion.
When the chassis vehicle is driven manually, the first chain wheel 7 and the third chain wheel 10 are driven to rotate synchronously by the manual crank 6, the first chain wheel 2 and the third chain wheel 10 respectively drive the two driving rods 2 to rotate synchronously, and the two driving rods 2 respectively drive the first nut 8 and the second nut 11 to move along the driving rods 2, so that the chassis vehicle is pushed to move.
The electric driving device comprises a motor 5, an electric input chain wheel, an electric driving chain and an electric output chain wheel, in the embodiment, the electric output chain wheel comprises a second chain wheel 9 and a fourth chain wheel 12, the inner wall of the second chain wheel 9 and the inner wall of the fourth chain wheel 12 are both provided with threads, the second chain wheel 9 is installed on the outer side of the lower part of the left driving rod 2, the second chain wheel 9 is in threaded connection with the left driving rod 2, the fourth chain wheel 12 is installed on the outer side of the lower part of the right driving rod 2, and the fourth chain wheel 12 is in threaded connection with the right driving rod 2. The first nut 8 is located between the first sprocket 7 and the second sprocket 9, and the second nut 11 is located between the third sprocket 10 and the fourth sprocket 12. The motor 5 is installed on the chassis vehicle, the motor 5 is located between the two driving rods 2, the electric input chain wheel is installed on an output shaft of the motor 5, the electric input chain wheel is connected with the second chain wheel 9 and the fourth chain wheel 12 through an electric driving chain, and the second chain wheel 9 and the fourth chain wheel 12 are driven to synchronously rotate so as to drive the chassis vehicle to move.
During electric drive, the motor 5 drives the second chain wheel 9 and the fourth chain wheel 12 to rotate simultaneously, the second chain wheel 9 and the fourth chain wheel 12 move along the driving rod 2, and then the movement of the chassis vehicle is realized.
The utility model adopts the double criteria of 'limit switch remote signaling + microswitch in place' to confirm the chassis position, and the specific principle is as follows: when the circuit breaker chassis car moves the test position, there is a small baffle on the actuating lever 2, when the circuit breaker chassis car moves the shift position, limit switch S8 will be stirred to this small baffle, limit switch S8 is closed this moment, and the 3 contact of first micro-gap switch touches the baffle of chassis car, limit switch 1 all judges circuit breaker chassis car arrival test position with first micro-gap switch 3 this moment, only when the judged result of these two criterions is the same, just can confirm that the circuit breaker reachs the test position, the system just can show circuit breaker chassis car arrival test position this moment. The step of judging that the circuit breaker chassis car reaches operating position is the same with reaching the experimental position, and when limit switch S9 and second micro-gap switch 4 all judged that the circuit breaker chassis car reaches operating position, the demonstration circuit breaker chassis car has reached operating position, and the system just can show that the circuit breaker chassis car reaches operating position this moment.
As shown in fig. 2: the novel circuit breaker further comprises a switch-on position confirmation device, the switch-on position confirmation device comprises an angle sensor 13, a connecting shaft 14 and a circuit breaker main shaft 15, the angle sensor 13 is installed on the circuit breaker main body, the connecting shaft 14 is located between the angle sensor 13 and the circuit breaker main shaft 15, one end of the connecting shaft 14 is connected with the circuit breaker main shaft 15, and the other end of the connecting shaft is connected with the angle sensor 13.
An angle sensor 13 is installed on the box body right opposite to the breaker main shaft 15, the angle sensor 13 is connected with the breaker main shaft 15 through a connecting shaft 14, the left end of the connecting shaft 14 is connected with the angle sensor 13 to measure a rotating shaft, and the right end of the connecting shaft 14 is connected with the breaker main shaft 15. Therefore, the angle sensor 13 is connected to convert the rotation angle signal of the main shaft 15 of the circuit breaker into an electric signal, and the second criterion of the switching-on and switching-off states of the circuit breaker is judged through the voltage signal output by the angle sensor 13. When the output voltage signal meets the set closing voltage signal and the circuit breaker closing auxiliary switch also displays that the circuit breaker is closed, the system can confirm that the circuit breaker is closed. The judgment of the opening of the circuit breaker is similar to that of the closing, the angle sensor 13 converts the rotating angle of the main shaft 15 of the circuit breaker into a voltage signal, and only when the voltage signal meets the set opening voltage signal and the opening auxiliary switch of the circuit breaker judges that the circuit breaker is opened, the system can judge that the circuit breaker is in the opening state.
The foregoing is directed to preferred embodiments of the present invention, other and further embodiments of the utility model may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the protection scope of the technical solution of the present invention.
Claims (7)
1. Novel circuit breaker, its characterized in that: including the circuit breaker main part, actuating lever (2), manual drive device, electric drive device, limit switch and micro-gap switch, actuating lever (2) are rotatable installs in the circuit breaker main part, manual drive device links to each other with two actuating levers (2) simultaneously, and drive its rotation, each actuating lever (2) all link to each other with the chassis car of circuit breaker main part through drive mechanism, and drive the motion of chassis car, electric drive device installs on the chassis car, electric drive device links to each other with two actuating levers (2) simultaneously, and drive chassis car synchronous motion, all install limit switch in the circuit breaker main part of each actuating lever (2) one side, micro-gap switch has two of setting in chassis car both sides.
2. The novel circuit breaker of claim 1, wherein: the manual driving device comprises a manual crank (6), a manual input chain wheel, a manual driving chain and a manual output chain wheel, wherein the manual output chain wheel is installed on each driving rod (2), the manual input chain wheel is rotatably installed on the circuit breaker main body, the manual crank (6) is connected with the manual input chain wheel and drives the manual input chain wheel to rotate, and the manual input chain wheel is simultaneously connected with the two manual output chain wheels through the manual driving chain.
3. The novel circuit breaker of claim 1, wherein: the transmission mechanism comprises nuts, the outer wall of each driving rod (2) is provided with threads, the driving rods (2) are connected with the nuts through the threads, and the nuts are fixedly connected with the chassis truck and drive the chassis truck to move synchronously.
4. The novel circuit breaker of claim 1, wherein: the electric driving device comprises a motor (5), an electric input chain wheel, an electric output chain wheel and an electric driving chain, wherein the motor (5) is installed on the chassis vehicle, the electric input chain wheel is installed on an output shaft of the motor (5), the outer wall of each driving rod (2) is provided with threads, the electric output chain wheel is connected to each driving rod (2) through the threads, and the electric input chain wheel is simultaneously connected with the two electric output chain wheels through the electric driving chain.
5. The novel circuit breaker of claim 1, wherein: the circuit breaker further comprises a switch-on position confirmation device, and the switch-on position confirmation device is connected with a circuit breaker main shaft (15) of the circuit breaker main body.
6. The novel circuit breaker of claim 5, wherein: the switching-on position confirmation device comprises an angle sensor (13), wherein the angle sensor (13) is connected with a main shaft (15) of the circuit breaker and synchronously rotates along with the main shaft.
7. The novel circuit breaker of claim 6, wherein: the device for confirming the switching-on position further comprises a connecting shaft (14), one end of the connecting shaft (14) is connected with a main shaft (15) of the circuit breaker, and the other end of the connecting shaft is connected with an angle sensor (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122044031.5U CN215731544U (en) | 2021-08-27 | 2021-08-27 | Novel circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122044031.5U CN215731544U (en) | 2021-08-27 | 2021-08-27 | Novel circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215731544U true CN215731544U (en) | 2022-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122044031.5U Active CN215731544U (en) | 2021-08-27 | 2021-08-27 | Novel circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215731544U (en) |
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2021
- 2021-08-27 CN CN202122044031.5U patent/CN215731544U/en active Active
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