CN112599369B - Emergency brake separating device of high-voltage circuit breaker - Google Patents

Abstract

The invention relates to the technical field of high-voltage circuit breakers, and discloses an emergency opening device for high-voltage circuit breakers, which includes a supporting component, a pressing component and a remote control unit. The support assembly includes a guide and two bases. The distance between the two bases is adjustable, so that the emergency opening device of the high-voltage circuit breaker can be applied to high-voltage circuit breakers of different specifications. The base is installed on the high-voltage circuit breaker by adsorption. On the shell, it is easy to install and disassemble. The installation position of the fixed sleeve on the guide piece can be adjusted, so that the application range of the emergency opening device of the high voltage circuit breaker is wider. The extension length of the telescopic rod in the fixed sleeve is remotely controlled by the remote control unit to disconnect the switch of the high-voltage circuit breaker. This remote control method can keep the workers away from the high-voltage circuit breaker and ensure the safety of the workers. At the same time, it can reduce the scope of power outage, and there is no need to transfer the bus to the hot standby during the maintenance process. The operation is simple and the efficiency of fault handling is improved.

Description

An emergency opening device for a high voltage circuit breaker

technical field

The invention relates to the technical field of high-voltage circuit breakers, in particular to an emergency opening device for high-voltage circuit breakers.

Background technique

A high-voltage circuit breaker (or high-voltage switch) plays a control role in a high-voltage circuit and is used to connect or disconnect the circuit during normal operation. It is one of the important electrical components in a high-voltage circuit.

High-voltage circuit breakers usually use "remote" operation, that is, remote operation through a computer. However, during the operation of the high-voltage circuit breaker, the control circuit failure will inevitably occur, resulting in the inability to switch remotely. At this time, the operator needs to manually disconnect the switch "on the spot" and transfer the bus to the hot standby. The operation process is complicated and the maintenance takes a long time. At the same time, this mode of operation makes the distance between the operator and the high-voltage circuit breaker very close, which is prone to safety accidents. In addition, in the fault maintenance process, all the switches on the bus need to be disconnected, which expands the power outage range.

Contents of the invention

Based on the above problems, the object of the present invention is to provide an emergency opening device for high-voltage circuit breakers, which can remotely control the opening switch of high-voltage circuit breakers. Efficiency in troubleshooting.

For reaching above-mentioned purpose, the present invention adopts following technical scheme:

An emergency opening device for a high-voltage circuit breaker, comprising:

A support assembly, including a guide piece and two bases with adjustable spacing, the guide piece is arranged between the two bases, and the base can be adsorbed on the casing of the high-voltage circuit breaker;

The pressing assembly includes a fixed sleeve and a telescopic rod arranged in the fixed sleeve, the fixed sleeve is set on the guide member in an adjustable position, and the extension of the telescopic rod in the fixed sleeve is The length is adjustable to press the opening button of the high voltage circuit breaker;

The remote control unit is used to remotely control the extension length of the telescopic rod in the fixed sleeve.

As a preferred solution of the high-voltage circuit breaker emergency opening device of the present invention, the pressing assembly further includes a driver, the remote control unit includes a control module, the driver is electrically connected to the control module, and the control module can control The direction of rotation of the driving member is to make the telescopic rod extend or retract the fixed sleeve.

As a preferred solution of the emergency opening device for high-voltage circuit breakers of the present invention, the remote control unit further includes a remote control and a receiving module electrically connected to the control module, and the user sends instructions to the receiving module through the remote control, so The control module can receive and process the information of the receiving module to control the rotation direction of the driving member.

As a preferred solution of the emergency opening device for a high-voltage circuit breaker of the present invention, a detection module electrically connected to the control module is provided in the fixed sleeve, and the detection module detects that when the telescopic rod moves to a preset position , the control module controls the driving member to stop rotating.

As a preferred solution of the emergency opening device for a high-voltage circuit breaker in the present invention, the pressing assembly further includes a transmission member connected to the drive member, the transmission member includes a transmission gear and a ball screw pair, and the transmission gear is connected to the drive member. The screw of the ball screw pair is connected, the telescopic rod is connected with the nut of the ball screw pair, the driving part drives the transmission gear to rotate and drives the screw to rotate, so that the nut pushes the The telescopic rod extends out of the fixed sleeve.

As a preferred solution of the emergency opening device for a high-voltage circuit breaker of the present invention, one end of the telescopic rod protruding from the fixed sleeve is provided with a pressing part, and the pressing part is detachably connected to the telescopic rod.

As a preferred solution of the emergency opening device for a high-voltage circuit breaker of the present invention, the remote control unit further includes a rechargeable battery for powering the control module and the driving member.

As a preferred solution of the emergency opening device for a high-voltage circuit breaker of the present invention, there are two guides, the fixing sleeve is located between the two guides, and each guide is provided with a slide block, the slider is provided with a clamping part and a locking part, the clamping part is used to clamp the fixed sleeve, and the locking part can lock the slider to the guide superior.

As a preferred solution of the emergency opening device for a high-voltage circuit breaker of the present invention, a mounting plate is provided on the base, the guide piece runs through the mounting plate, and a locking member is provided on the mounting plate, and the locking member The guide can be locked on the mounting plate.

As a preferred solution of the emergency opening device for a high-voltage circuit breaker of the present invention, the base is made of magnetic materials.

The beneficial effects of the present invention are:

The emergency opening device of the high-voltage circuit breaker provided by the present invention has an adjustable distance between the two bases, so that the emergency opening device of the high-voltage circuit breaker can be applied to high-voltage circuit breakers of different specifications, and the base is installed on the high-voltage circuit breaker by adsorption. On the shell of the breaker, it is more convenient to install and disassemble the emergency opening device of the high voltage circuit breaker. By adjusting the installation position of the fixing sleeve on the guide piece, the emergency opening device of the high-voltage circuit breaker can be adapted to the opening buttons of high-voltage circuit breakers of different specifications, and has a wide range of applications. The extension length of the telescopic rod in the fixed sleeve is remotely controlled by the remote control unit, so that the telescopic rod presses the opening button of the high-voltage circuit breaker to quickly close the switch of the high-voltage circuit breaker for troubleshooting. This remote control method can keep the workers away from the high-voltage circuit breaker and ensure the safety of the workers. In addition, through the emergency opening device of the high-voltage circuit breaker, only the current faulty high-voltage circuit breaker switch can be disconnected for maintenance work, which reduces the scope of power outages. s efficiency.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments of the present invention. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention , for those skilled in the art, other drawings can also be obtained according to the content of the embodiment of the present invention and these drawings without any creative effort.

Fig. 1 is a schematic structural diagram of an emergency opening device for a high-voltage circuit breaker provided by a specific embodiment of the present invention.

In the picture:

1-support assembly; 2-fixed sleeve; 3-telescopic rod; 4-remote control unit; 5-driver; 6-transmission member;

11-guide; 12-base; 13-slider;

121-mounting plate; 122-locking piece;

131-clamping part; 132-locking part;

31 - pressing part;

41-control module; 42-remote controller; 43-rechargeable battery.

Detailed ways

In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved clearer, the technical solutions of the embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only the technical solutions of the present invention. Some, but not all, embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, or in a specific orientation. construction and operation, therefore, should not be construed as limiting the invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and should not be construed as indicating or implying relative importance. Wherein, the terms "first position" and "second position" are two different positions.

In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and through specific implementation methods.

Embodiment one

As shown in Figure 1, this embodiment provides an emergency opening device for a high-voltage circuit breaker, which can remotely control the opening switch of the high-voltage circuit breaker. The emergency opening device for a high-voltage circuit breaker includes a support assembly 1, a pressing assembly and a remote control unit 4 .

Among them, the support assembly 1 includes a guide 11 and two bases 12 with adjustable spacing, the guide 11 is arranged between the two bases 12, and the base 12 can be adsorbed on the shell of the high-voltage circuit breaker; the pressing assembly includes a fixing sleeve 2 And the telescopic rod 3 arranged in the fixed sleeve 2, the fixed sleeve 2 is arranged on the guide 11 in an adjustable position, the extension length of the telescopic rod 3 in the fixed sleeve 2 is adjustable, so as to press the high voltage circuit breaker The opening button; the remote control unit 4 is used to remotely control the extension length of the telescopic rod 3 in the fixed sleeve 2 .

In the emergency opening device for high voltage circuit breakers provided in this embodiment, the distance between the two bases 12 is adjustable, so that the emergency opening device for high voltage circuit breakers can be applied to high voltage circuit breakers of different specifications, and the bases 12 are installed by adsorption On the shell of the high-voltage circuit breaker, it makes the installation and disassembly of the emergency opening device of the high-voltage circuit breaker more convenient. By adjusting the installation position of the fixing sleeve 2 on the guide member 11, the emergency opening device of the high-voltage circuit breaker can be adapted to the opening buttons of high-voltage circuit breakers of different specifications, and has a wide range of applications. The extension length of the telescopic rod 3 in the fixed sleeve 2 is remotely controlled by the remote control unit 4, so that the telescopic rod 3 presses the opening button of the high-voltage circuit breaker to quickly close the switch of the high-voltage circuit breaker for troubleshooting. This remote control method can keep the workers away from the high-voltage circuit breaker and ensure the safety of the workers. In addition, through the emergency opening device of the high-voltage circuit breaker, only the current faulty high-voltage circuit breaker switch can be disconnected for maintenance work, which reduces the scope of power outages. s efficiency.

As shown in Figure 1, in this embodiment, optionally, the pressing assembly further includes a driver 5, the remote control unit 4 includes a control module 41, the driver 5 is electrically connected to the control module 41, and the control module 41 can control the driver 5 The direction of rotation, so that the telescopic rod 3 stretches out or retracts the fixed sleeve 2. When the control circuit of the high-voltage circuit breaker fails and the switch of the high-voltage circuit breaker cannot be disconnected remotely, the emergency opening device of the high-voltage circuit breaker is installed on the high-voltage circuit breaker, and the rotation direction of the driving part 5 is remotely controlled by the remote control unit 4, and then Control the telescopic rod 3 to extend out of the fixed sleeve 2, so that the telescopic rod 3 presses the opening button of the high-voltage circuit breaker, thereby disconnecting the switch of the high-voltage circuit breaker for troubleshooting. This remote control method is easy to operate and can ensure the safety of operators.

Preferably, the driver 5 in this embodiment is a DC motor. In other embodiments, the driver 5 can also be a linear motor, as long as it can drive the telescopic rod 3 to extend or retract the fixed sleeve 2 .

Optionally, the remote control unit 4 also includes a remote controller 42 and a receiving module electrically connected to the control module 41, the user sends an instruction to the receiving module through the remote controller 42, and the control module 41 can receive and process the information of the receiving module to control the drive 5 direction of rotation. As shown in Figure 1, in this embodiment, the remote controller 42 can send an infrared signal to the receiving module, and the receiving module transmits the information to the control module 41 after receiving the information, and the control module 41 receives and processes the information of the receiving module to control the driving part 5 turn direction. Preferably, the remote controller 42 is provided with a first button and a second button, which respectively control the telescopic rod 3 to extend and retract the fixed sleeve 2 . When the switch of the high-voltage circuit breaker needs to be disconnected, press and hold the first button of the remote controller 42, the remote controller 42 sends an infrared signal to the receiving module, and the control module 41 receives and processes the information of the receiving module, and controls the driving member 5 to rotate forward. To make the telescopic rod 3 protrude from the fixed sleeve 2, press the switch-off button of the high-voltage circuit breaker to disconnect the switch of the high-voltage circuit breaker. After the high-voltage circuit breaker is switched off, release the first button of the remote controller 42, then press the second button, and control the reverse rotation of the driving part 5 through the control module 41, so that the telescopic rod 3 retracts to the fixed sleeve 2. It should be noted that when the control module 41 in this embodiment controls the rotation of the driving member 5, it adopts a jog control method, that is, when the first button or the second button on the remote controller 42 is pressed, the driving member 5 rotates. When the first button or the second button is released, the driving member 5 stops rotating. This control method is easy to operate, and can realize instant start and stop.

Optionally, the pressing assembly also includes a transmission member 6 connected to the driving member 5, the transmission member 6 includes a transmission gear and a ball screw pair, the transmission gear is connected to the lead screw of the ball screw pair, and the telescopic rod 3 is connected to the ball screw pair The nut is connected, and the driving member 5 drives the transmission gear to rotate and drives the lead screw to rotate, so that the nut pushes the telescopic rod 3 out of the fixed sleeve 2. In this embodiment, preferably, the telescopic rod 3 is a hollow structure, and the telescopic rod 3 of the hollow structure is sleeved outside the lead screw and connected with the nut. Both the nut and the telescopic rod 3 are slidingly fitted with the inner wall of the fixed sleeve 2, when When the driving member 5 drives the transmission gear to rotate and drives the lead screw to rotate, the nut pushes the telescopic rod 3 to slide in the fixed sleeve 2 , so that the telescopic rod 3 extends out of the fixed sleeve 2 . The transmission gear adopts a gear reduction chassis structure, which can make the stretching process of the telescopic rod 3 slow enough to ensure that the operator has enough time to react and accurately control the extension length of the telescopic rod 3 in the fixed sleeve 2 .

As shown in FIG. 1 , optionally, one end of the telescopic rod 3 protruding from the fixed sleeve 2 is provided with a pressing portion 31 , and the pressing portion 31 is detachably connected to the telescopic rod 3 . This detachable connection method can easily replace the pressing part 31. When the pressing part 31 is worn and needs to be replaced, it only needs to replace the new pressing part 31 without replacing the entire telescopic rod 3, thereby extending the emergency operation of the high-voltage circuit breaker. The service life of the opening device is improved, and the manufacturing cost is reduced.

In this embodiment, optionally, the remote control unit 4 further includes a rechargeable battery 43 for powering the control module 41 and the driving member 5 . Preferably, the rechargeable battery 43 is a lithium battery of model 18650, and is equipped with a charger at the same time, which can charge the battery in time to ensure that the battery has sufficient power.

As shown in Figure 1, optionally, two guides 11 are provided, the fixing sleeve 2 is located between the two guides 11, each guide 11 is provided with a slider 13, and the slider 13 is provided with The clamping part 131 and the locking part 132 , the clamping part 131 is used to clamp the fixing sleeve 2 , and the locking part 132 can lock the slider 13 on the guide part 11 . A slider 13 is set on the guide 11, so that the installation position of the fixed sleeve 2 on the guide 11 can be adjusted conveniently, so that the telescopic rod 3 can be aligned with the high-voltage circuit breaker opening buttons of different specifications, so that it is suitable for different specifications high voltage circuit breaker. By providing the clamping portion 131 and the locking member 132 , the fixing sleeve 2 can be fixed between the two guide members 11 to prevent the fixing sleeve 2 from shaking during use of the emergency opening device of the high voltage circuit breaker. In this embodiment, preferably, the guide member 11 is a cylindrical guide rod.

Optionally, the base 12 is provided with a mounting plate 121 , the guide piece 11 runs through the mounting plate 121 , and the mounting plate 121 is provided with a locking piece 122 capable of locking the guide piece 11 on the mounting plate 121 . In this embodiment, each base 12 is provided with two mounting plates 121, and each mounting plate 121 is provided with a through hole, and the two ends of the guide 11 pass through the mounting plates 121 on the two bases 12 respectively. Through holes, adjust the distance between the two bases 12 by adjusting the position of the mounting plate 121 on the guide 11, so as to adapt to high-voltage circuit breakers of different specifications. After adjusting the distance between the two bases 12, lock the The member 122 can fix the guide member 11 and the mounting plate 121 together, so as to ensure the stability of the emergency opening device of the high voltage circuit breaker during use.

In this embodiment, optionally, the base 12 is made of magnetic materials. Preferably, the base 12 is a 120N strong magnet to ensure sufficient suction to fix the emergency opening device of the high-voltage circuit breaker on the high-voltage circuit breaker shell, preventing the emergency opening device of the high-voltage circuit breaker from being separated from the high-voltage circuit breaker, thereby ensuring the opening The pressing portion 31 of the telescopic rod 3 can be in good contact with the opening button of the high-voltage circuit breaker to realize opening. At the same time, the base 12 adopts magnets to facilitate the installation and disassembly of the emergency opening device of the high-voltage circuit breaker. In other embodiments, the base 12 may also be a suction cup structure, which is convenient for installation and does not damage the structure of the high voltage circuit breaker.

The emergency opening device for a high-voltage circuit breaker provided in this embodiment, when in use, first, adjust the distance between the two bases 12 according to the specifications of the high-voltage circuit breaker, and then fix the guide 11 on the base 12 through the locking member 122. on the mounting plate 121. Secondly, according to the position of the opening button of the high-voltage circuit breaker, the slider 13 slides on the guide 11 to adjust the fixed sleeve 2 to align with the opening button of the high-voltage circuit breaker, and then lock the The slider 13 is locked on the guide member 11 . Then, through the magnetic attraction of the base 12, the emergency opening device of the high-voltage circuit breaker is installed on the shell of the high-voltage circuit breaker. Finally, the operator presses the first button or the second button on the remote control 42, and adjusts the extension length of the telescopic rod 3 in the fixed sleeve 2 through the driver 5, so as to press the opening button of the high-voltage circuit breaker to realize high-voltage circuit breaker. Remote opening of the device.

Embodiment two

As shown in FIG. 1 , this embodiment provides an emergency opening device for a high-voltage circuit breaker, wherein components that are the same as or corresponding to those in Embodiment 1 are designated with reference numerals corresponding to Embodiment 1. For the sake of brevity, only the difference between Embodiment 2 and Embodiment 1 will be described. The difference is that, in this embodiment, optionally, a detection module electrically connected to the control module 41 is arranged inside the fixed sleeve 2, and the detection module When detecting that the telescopic rod 3 moves to a preset position, the control module 41 controls the driving member 5 to stop rotating. Preferably, the detection module is a position sensor. In this embodiment, there are two preset positions. The first preset position is the initial position of the telescopic rod 3. At this time, it is considered that the stroke of the telescopic rod 3 is 0, and the second preset position is The length that telescopic rod 3 stretches out fixed sleeve 2 is 150mm, and the stroke of telescopic rod 3 this moment is 150mm. When the position sensor detects that the telescopic rod 3 moves to the first preset position or the second preset position, the control module 41 controls the driving member 5 to stop rotating, and the telescopic rod 3 stops moving. In other embodiments, the detection module can also be a limit switch, etc., as long as the driving member 5 can be controlled to stop rotating when the telescopic rod 3 moves to a preset position.

Note that the above are only preferred embodiments of the present invention and applied technical principles. Those skilled in the art will understand that the present invention is not limited to the specific embodiments herein, and various obvious changes, readjustments and substitutions can be made by those skilled in the art without departing from the protection scope of the present invention. Therefore, although the present invention has been described in detail through the above embodiments, the present invention is not limited to the above embodiments, and can also include more other equivalent embodiments without departing from the concept of the present invention, and the present invention The scope is determined by the scope of the appended claims.

Claims (3)

1. An emergency opening device for a high voltage circuit breaker, characterized in that it comprises: The support assembly (1) includes a guide (11) and two bases (12) with adjustable spacing, the guide (11) is arranged between the two bases (12), and the base (12) capable of being adsorbed on the casing of the high voltage circuit breaker; The pressing assembly includes a fixed sleeve (2) and a telescopic rod (3) arranged in the fixed sleeve (2), and the fixed sleeve (2) is adjustable in position and arranged on the guide (11) Above, the extension length of the telescopic rod (3) in the fixed sleeve (2) is adjustable to press the opening button of the high voltage circuit breaker; A remote control unit (4), used to remotely control the extension length of the telescopic rod (3) in the fixed sleeve (2); The pressing assembly also includes a driver (5), the remote control unit (4) includes a control module (41), the driver (5) is electrically connected to the control module (41), and the control module (41 ) can control the rotation direction of the driving member (5), so that the telescopic rod (3) extends or retracts the fixed sleeve (2); The remote control unit (4) also includes a remote controller (42) and a receiving module electrically connected to the control module (41), the user sends instructions to the receiving module through the remote controller (42), and the control module (41) capable of receiving and processing the information of the receiving module, so as to control the rotation direction of the driving member (5); The remote control (42) is provided with a first button and a second button, which respectively control the telescopic rod (3) to extend and retract the fixed sleeve (2); The control module (41) controls the drive member (5) by means of jog control, when the first button or the second button on the remote controller (42) is pressed, the drive member (5) rotates, When the first button or the second button is released, the driving member (5) stops rotating; The fixed sleeve (2) is provided with a detection module electrically connected to the control module (41), and when the detection module detects that the telescopic rod (3) moves to a preset position, the control module ( 41) controlling the driving member (5) to stop rotating; The pressing assembly also includes a transmission member (6) connected to the drive member (5), the transmission member (6) includes a transmission gear and a ball screw pair, the transmission gear and the ball screw pair The telescopic rod (3) is connected with the nut of the ball screw pair, and the driving member (5) drives the transmission gear to rotate and drives the screw to rotate, so that the nut pushes the The telescopic rod (3) stretches out from the fixed sleeve (2); The transmission gear is a gear reduction chassis structure; There are two guides (11), the fixed sleeve (2) is located between the two guides (11), each guide (11) is provided with a slider (13 ), the slider (13) is provided with a clamping part (131) and a lock (132), the clamping part (131) is used to clamp the fixed sleeve (2), the lock The stopper (132) can lock the slider (13) on the guide member (11); The slider (13) is provided with a perforation, the guide (11) is movable through the perforation, and the position of the fixed sleeve (2) can be adjusted by sliding the slider (13); The base (12) is provided with a mounting plate (121), the guide (11) runs through the mounting plate (121), the mounting plate (121) is provided with a locking member (122), the The locking member (122) can lock the guide member (11) on the mounting plate (121); Each of the bases (12) is provided with two mounting plates (121), each of the mounting plates (121) is provided with a through hole, and the two ends of the guide (11) respectively pass through Through the through holes of the mounting plates (121) on the two bases (12), the two bases (12) can be adjusted by adjusting the position of the mounting plate (121) on the guide (11). the distance between One end of the telescopic rod (3) protruding from the fixed sleeve (2) is provided with a pressing part (31), and the pressing part (31) is detachably connected to the telescopic rod (3). 2. The emergency opening device for high-voltage circuit breaker according to claim 1, characterized in that, the remote control unit (4) also includes a rechargeable battery (43) for powering the control module (41) and the The driving part (5) supplies power. 3. The emergency opening device for a high-voltage circuit breaker according to claim 1 or 2, characterized in that the base (12) is made of magnetic materials.