Circuit breaker disconnector for primary and secondary integrated ring network box

Abstract

The present invention relates to the technical field of circuit breaker isolating switch equipment, and discloses a circuit breaker isolating switch with a primary and secondary fused ring network box, comprising a mechanism box body, the interior of the mechanism box body having an installation space, and a plurality of airtight insulators fixedly connected to the top of the mechanism box body. In the present invention, by setting a contact piece, when it is necessary to close the isolating switch part, the operating switch is first rotated in the opposite direction, and the rotation of the rotating shaft drives the connected contact head at one end of the isolation rod at one end of the operating insulator to approach. At this time, the connecting bevel is set to an inclined shape, which is conducive to avoiding the phenomenon of collision caused by misalignment between the isolation rod and the connecting contact. By setting the isolation rod and the connecting contact to be aligned and connected, on the one hand, it is conducive to protecting the connecting contact from colliding with one end of the isolation rod to cause damage to the connecting contact, and on the other hand, it is conducive to improving the accuracy of the connection between the one end of the isolation rod and the connecting contact.

Description

Technical Field

[0001] The present invention relates to the technical field of circuit breaker isolating switch equipment, in particular to a circuit breaker isolating switch of a primary-secondary fused ring network box. Background Art

[0002] The circuit breaker disconnector of the primary and secondary integrated ring network box has short-circuit fault and overvoltage protection functions, and its overcurrent protection function is completed by the magnetic induction coil. It is widely used in power supply systems because of its complete maintenance functions, easy maintenance and use.

[0003] The circuit breaker disconnector of the primary and secondary integrated ring network box can effectively protect the circuit during use. However, when a fault occurs in the circuit, the disconnector needs to be powered off. When the power is turned off, the primary and secondary switches need to be disconnected separately. The secondary switch is the disconnector. The disconnector usually needs to be aligned and tightened when opening and closing. During the closing process, the disconnector under the existing technology shakes during the rotation process due to long-term use, which causes the disconnector to often collide with the connecting contacts, causing contact damage. Summary of the Invention

[0004] The object of the present invention is to provide a circuit breaker disconnector for a primary-secondary fused ring network box to solve the problems raised in the above background technology.

[0005] To solve the above technical problems, the present invention is achieved through the following technical solutions:

[0006] The present invention is a circuit breaker disconnector with a primary and secondary fused ring network box, comprising a mechanism box body, the interior of which has an installation space, a plurality of airtight insulators fixedly connected to the top of the mechanism box body, and further comprising:

[0007] An isolating switch unit, which is mounted on a side wall of the mechanism box and is used to control and operate the secondary switch of the circuit breaker; and

[0008] The vacuum switch part is installed inside the mounting hole inside the mechanism box, and is used to control the primary switch of the circuit breaker;

[0009] Among them, the isolating switch part is connected to the circuit input end, and the top of the vacuum switch part is connected to the circuit output end. The connection is made tighter by setting the isolating switch part. The isolating switch part and the vacuum switch part cooperate to realize the primary switch of the circuit breaker.

[0010] Furthermore, the isolating switch unit includes:

[0011] The connector is installed on the side wall of the mechanism box, and is used to connect the external power supply. The connector is also used to support the installation of the isolating switch part;

[0012] The gate regulating member is installed on the inner side of the connector and is rotatably installed on the inner side of the connector. The gate regulating member is used to adjust the on / off state of the connector;

[0013] The contact piece is installed inside the gate regulating piece and is used to connect the gate regulating piece and the connector piece more tightly.

[0014] Furthermore, the connector includes a support frame fixedly connected to the side wall of the mechanism box, the end of the support frame away from the side wall of the mechanism box is fixedly connected to a connecting rod, the top of the connecting rod is fixedly connected to a plurality of support insulators, the end of the support insulator away from the connecting rod is fixedly connected to a connecting head 1, and the top of the connecting head 1 is fixedly connected to a connecting contact.

[0015] Furthermore, the gate regulating component includes a current transformer fixedly connected to the side wall of the airtight insulator, the side of the current transformer away from the airtight insulator is rotatably connected to the isolation rod, the middle part of the support frame is rotatably penetrated by a rotating shaft, one end of the rotating shaft is fixedly connected to the operating gate, the middle part of the rotating shaft is fixedly connected to a number of crank blocks, the end of the crank block away from the rotating shaft is rotatably connected to the operating insulator, and the end of the operating insulator away from the crank block is rotatably connected to the middle part of the isolation rod.

[0016] Furthermore, the contact member includes a sliding groove opened on the isolation rod, and a number of connecting bevel blocks are slidingly connected inside the sliding groove. The connecting bevel blocks are in close contact with the connecting contacts. A slider 1 is slidingly connected to one end of the sliding groove close to the connecting bevel block, and one end of the slider 1 is rotatably connected to the connecting rod 1, and the end of the connecting rod 1 away from the slider 1 is rotatably connected to the connecting bevel block.

[0017] Furthermore, the contact member also includes a compression spring fixedly connected to the end of slider 1 away from connecting rod 1, the end of the compression spring away from slider 1 is fixedly connected to slider 2, slider 2 is slidably connected inside the sliding groove, the side wall of the end of the operating insulator away from crank block 1 is rotatably connected to connecting rod 2, and the end of connecting rod 2 away from the operating insulator is rotatably connected to the side wall of slider 2.

[0018] Furthermore, the vacuum switch unit includes:

[0019] The switch component is installed inside the airtight insulator. The switch component is used to connect the external power supply and also to cut off the power and extinguish the arc;

[0020] Linkage parts are installed inside the installation space of the mechanism box, and the linkage parts move in coordination with the switch parts;

[0021] The safety part is installed on the side wall of the mechanism box. The safety part is fixedly connected to one end of the gate regulating part. The safety part is used to support and limit the rotation of the rotating shaft. The safety part cooperates with the linkage part to realize the locking of the vacuum switch part to the isolating switch part.

[0022] Furthermore, the switch member includes an opening and closing switch that rotates through the front side wall of the mechanism box, an energy storage gate that rotates through the front side wall of the mechanism box, and an energy storage switch mechanism that is fixedly connected to the interior of the mechanism box. The opening and closing switch and the energy storage gate control the internal operation of the energy storage switch mechanism.

[0023] Among them, an arc extinguishing chamber is opened inside the airtight insulator, a connector 2 is fixedly connected to the top of the airtight insulator, a fixed contact rod is fixedly connected to the top of the arc extinguishing chamber, a sliding contact rod is slidably connected to the bottom of the arc extinguishing chamber, and a bellows is fixedly connected inside the arc extinguishing chamber. The opening and closing of the switch is achieved by controlling the energy storage switch mechanism to realize the sliding contact rod sliding up and down along the arc extinguishing chamber. The energy storage gate is responsible for storing energy inside the energy storage switch mechanism.

[0024] Furthermore, the linkage part includes a fixed plate fixedly connected to the bottom of the sliding contact rod, and a number of linkage insulators are fixedly connected to the side wall of the fixed plate. The middle part of the linkage insulator close to one end of the operating gate is rotatably connected to the linkage rod three, and the end of the linkage rod three away from the linkage insulator is rotatably connected to the movable plate. The end of the movable plate close to the inner wall of the mechanism box is fixedly connected to the limit rod, and the limit rod slides through the side wall of the mechanism box.

[0025] Furthermore, the safety part, the end of the rotating shaft close to the operating gate is fixedly connected to the crank block 2, the end of the crank block 2 away from the rotating shaft is rotatably connected to the limiting rod, the end of the limiting rod away from the crank block 2 is provided with a pressure spring, the side wall of the mechanism box is fixedly connected to the limiting column, the end of the limiting rod away from the crank block 2 is slidably connected to the limiting column, the end of the limiting rod away from the crank block 2 is slidably connected to the clamping slider, and the clamping slider is connected to the limiting column.

[0026] The present invention has the following beneficial effects:

[0027] (1) In the present invention, when the isolating switch needs to be closed by setting the contact piece, the operating switch is first rotated in the opposite direction, and the rotation of the shaft drives the connecting contact head at one end of the isolating rod at one end of the operating insulator to approach. At this time, the connecting bevel is set to an inclined shape, which is conducive to avoiding the phenomenon of collision caused by misalignment between the isolating rod and the connecting contact. By setting the isolating rod and the connecting contact to be aligned and connected, on the one hand, it is conducive to protecting the connecting contact from collision with one end of the isolating rod, causing damage to the connecting contact, and on the other hand, it is conducive to improving the accuracy of the connection between the one end of the isolating rod and the connecting contact.

[0028] (2) When the contact heads connected to the isolation rod approach each other, the angle between the isolation rod and the operating insulator decreases. At this time, the connecting rod 2 on the operating insulator drives the slider 2 along the sliding groove to squeeze the compression spring. The compression spring is squeezed and the elastic force increases. At this time, the elastic force of the compression spring increases the squeezing force of the connecting rod 1 at the end of the slider, and the squeezing force of the connecting rod pair of connecting oblique blocks increases. This setting is conducive to increasing the squeezing force of the two connecting oblique blocks on the connecting contact, thereby improving the stability of the connection between the connecting contact and the isolation rod.

[0029] (3) In the present invention, when the circuit breaker disconnector is used, the device is first installed inside the ring network box. When the device is operating normally, the sliding contact rod inside the switch member is connected to the contact end of the fixed contact rod. At this time, the connecting rod three inside the linkage member drives the limit rod at one end of the movable plate to extend to the outside of the mechanism box. At this time, the limit rod and one end of the limit rod are against each other. This arrangement is conducive to the limit rod in the linkage member locking the gate regulating member, avoiding the disconnection of the device due to the rotation of the operating gate due to misoperation, thereby ensuring the stable and normal operation of the circuit breaker disconnector.

[0030] (4) In the present invention, when the device needs to be repaired, the switch is toggled on and off, which drives the mechanism inside the energy storage switch mechanism to operate and drives the sliding contact rod to move downward along the arc extinguishing chamber. At this time, the sliding contact rod is disconnected from one end of the fixed contact rod, thereby achieving a one-time trip. At the same time, the sliding contact rod drives the fixed plate to move downward and drives the connecting rod to rotate. The rotation of the connecting rod drives the limit rod at one end of the moving plate to slide toward the inside of the mechanism box. At this time, the limit rod is disconnected from one end of the limiting rod.

[0031] (5) The present invention sets a gate regulating member. When the vacuum switch is disconnected, the operating gate is manually rotated. The rotation of the operating gate drives the operating insulator at one end of the crank block on the rotating shaft to drive the isolation rod to disengage from the connector. At this time, the secondary disconnection of the circuit breaker switch is achieved, thereby ensuring the safety of the maintenance personnel of the device. In addition, when the operating gate is rotated, one end of the crank block 2 is driven to slide along the limit column. At this time, the pressing slider and the pressure spring are squeezed, and the angle between the crank block 2 and the limit rod gradually increases to 180°. When the operating gate continues to rotate downward, the angle between the crank block 2 and the limit rod is greater than 180°. At this time, under the elastic force of the pressure spring, the torque of the reverse rotation of the rotating shaft increases, thereby ensuring that the operating gate will not easily rebound and close when it is in the open state, which will bring danger to maintenance.

[0032] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0034] Figure 1 This is a schematic diagram of the overall front plan view of the present invention;

[0035] Figure 2This is a schematic diagram of the overall back side plan view of the present invention;

[0036] Figure 3 It is a partial cross-sectional structural diagram of the mechanism box of the present invention;

[0037] Figure 4 For the present invention Figure 3 A magnified view of middle A;

[0038] Figure 5 This is a schematic diagram of the partial structure of the isolating switch portion of the present invention;

[0039] Figure 6 For the present invention Figure 5 Enlarged view of middle B;

[0040] Figure 7 This is a schematic diagram of the partial structure of the contact member of the present invention;

[0041] Figure 8 For the present invention Figure 7 Enlarged view of middle C;

[0042] Figure 9 It is a schematic diagram of the partial structure of the safety component of the present invention.

[0043] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0044] In the figure: 1. Mechanism box; 2. Airtight insulator; 3. Disconnector; 31. Connector; 311. Support frame; 312. Connecting rod; 313. Post insulator; 314. Connector 1; 315. Connecting contact; 32. Switching element; 321. Current transformer; 322. Isolating rod; 323. Rotating shaft; 324. Operating switch; 325. Crank block 1; 326. Operating insulator; 33. Contact member; 331. Sliding groove; 332. Connecting inclined block; 333. Slider 1; 334. Link rod 1; 335. Compression spring; 336. Slider 2 ;337, connecting rod two; 4, vacuum switch part; 41, switch piece; 411, opening and closing switch; 412, energy storage switch; 413, energy storage switch mechanism; 414, arc extinguishing chamber; 415, connector two; 416, fixed contact rod; 417, sliding contact rod; 418, bellows; 42, linkage part; 421, fixed plate; 422, linkage insulator; 423, connecting rod three; 424, movable plate; 425, limit rod; 43, safety piece; 431, crank block two; 432, limit rod; 433, pressure spring; 434, limit column; 435, pressing slider. DETAILED DESCRIPTION

[0045] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0046] Example 1, please refer to Figures 1-8 As shown, the present invention is a circuit breaker disconnector with a primary and secondary fused ring network box, comprising a mechanism box 1, the interior of which has an installation space, a plurality of airtight insulators 2 fixedly connected to the top of the mechanism box 1, and further comprising:

[0047] The isolating switch unit 3 is mounted on the side wall of the mechanism housing 1 and is used to control the operation of the secondary switch of the circuit breaker; and

[0048] The vacuum switch part 4 is installed inside the mounting hole inside the mechanism box 1. The vacuum switch part 4 is used to control the primary switch of the circuit breaker;

[0049] Among them, the isolating switch part 3 is connected to the circuit input end, and the top of the vacuum switch part 4 is connected to the circuit output end. By setting the isolating switch part 3, the connection is made tighter. The isolating switch part 3 and the vacuum switch part 4 cooperate to realize the single switch of the circuit breaker.

[0050] The isolating switch unit 3 includes:

[0051] Connector 31, which is mounted on the side wall of the mechanism housing 1. Connector 31 is used to connect to an external power source and also supports the installation of the isolating switch unit 3;

[0052] The gate regulating member 32 is mounted on the inner side of the connector 31 and is rotatably mounted on the inner side of the connector 31. The gate regulating member 32 is used to adjust the on / off state of the connector 31.

[0053] The contact member 33 is installed inside the brake member 32 and is used to connect the brake member 32 and the connector 31 more tightly.

[0054] The connector 31 includes a support frame 311 fixedly connected to the side wall of the mechanism box 1, and the end of the support frame 311 away from the side wall of the mechanism box 1 is fixedly connected to a connecting rod 312, and the top of the connecting rod 312 is fixedly connected to a plurality of support insulators 313, and the end of the support insulator 313 away from the connecting rod 312 is fixedly connected to a connector 314, and the top of the connector 314 is fixedly connected to a connecting contact 315. The function of this component is to set the gate regulating member 32. When the vacuum switch part 4 is disconnected, the operating gate 324 is manually rotated. The rotation of the operating gate 324 drives the operating insulator 326 at one end of the crank block 325 on the rotating shaft 323 to drive the isolation rod 322 out of contact with the connector 31, and at this time the secondary disconnection of the circuit breaker switch is realized, thereby ensuring the safety of the maintenance personnel of the device.

[0055] The regulating member 32 includes a current transformer 321 fixedly connected to the side wall of the airtight insulator 2. The current transformer 321 is rotatably connected to an isolation rod 322 on the side away from the airtight insulator 2. A rotating shaft 323 is rotatably passed through the middle of the support frame 311. One end of the rotating shaft 323 is fixedly connected to an operating gate 324. A plurality of crank blocks 325 are fixedly connected to the middle of the rotating shaft 323. The end of the crank block 325 away from the rotating shaft 323 is rotatably connected to an operating insulator 326. The end of the operating insulator 326 away from the crank block 325 is rotatably connected to the middle of the isolation rod 322.

[0056] The contact member 33 includes a sliding groove 331 provided on the isolation rod 322. A plurality of connecting bevels 332 are slidingly connected inside the sliding groove 331. The connecting bevels 332 are in close contact with the connecting contact 315. A slider 1 333 is slidingly connected to one end of the sliding groove 331 near the connecting bevel 332. One end of the slider 1 333 is rotatably connected to a connecting rod 1 334. The end of the connecting rod 1 334 away from the slider 1 333 is rotatably connected to the connecting bevel 332.

[0057] When the breaker 32 is in the closed position, the breaker 32 is in the closed position, and the breaker 32 is in the closed position, so that the breaker 32 is in the closed position, and the breaker 32 is in the closed position. The alignment and connection of the connecting contacts 315 is beneficial for protecting the connecting contacts 315 from colliding with one end of the isolation rod 322 and causing damage to the connecting contacts 315. On the other hand, it is beneficial for improving the docking accuracy of the connecting contact 315 at one end of the isolation rod 322. When the isolation rod 322 and the connecting contact 315 are close to each other, the angle between the isolation rod 322 and the operating insulator 326 decreases. At this time, the connecting rod 2 337 on the operating insulator 326 drives the slider 2 336 along the sliding groove 331 to squeeze the compression spring 335. The compression spring 335 is squeezed and the elastic force increases. At this time, the elastic force of the compression spring 335 increases the squeezing force of the connecting rod 1 334 on the end of the slider 1 333, and the squeezing force of the connecting rod 1 334 on the connecting oblique block 332 is increased. This arrangement is beneficial for increasing the squeezing force of the two connecting oblique blocks 332 on the connecting contact 315, thereby improving the stability of the connection between the connecting contact 315 and the isolation rod 322.

[0058] Example 2 is distinguished from Example 1 in that: Figures 1-9 As shown, the vacuum switch unit 4 includes:

[0059] The switch 41 is installed inside the airtight insulator 2 and is used to connect to an external power source. The switch 41 is also used to cut off power and extinguish arcs.

[0060] The linkage member 42 is installed inside the installation space of the mechanism box 1, and the linkage member 42 moves in conjunction with the switch member 41;

[0061] The safety member 43 is installed on the side wall of the mechanism box 1. The safety member 43 is fixedly connected to one end of the gate regulating member 32. The safety member 43 is used to support and limit the rotation of the rotating shaft 323. The safety member 43 cooperates with the linkage member 42 to realize the locking of the vacuum switch part 4 to the isolating switch part 3.

[0062] The switch member 41 includes an opening and closing switch 411 that rotates through the front side wall of the mechanism housing 1. An energy storage switch 412 rotates through the front side wall of the mechanism housing 1. An energy storage switch mechanism 413 is fixedly connected to the interior of the mechanism housing 1. The opening and closing switch 411 and the energy storage switch 412 control the internal operation of the energy storage switch mechanism 413.

[0063] Among them, an arc extinguishing chamber 414 is opened inside the airtight insulator 2, a connector 2 415 is fixedly connected to the top of the airtight insulator 2, a fixed contact rod 416 is fixedly connected to the top of the arc extinguishing chamber 414, a sliding contact rod 417 is slidably connected to the bottom of the arc extinguishing chamber 414, and a bellows 418 is fixedly connected to the inside of the arc extinguishing chamber 414. The opening and closing switch 411 controls the energy storage switch mechanism 413 to realize the sliding contact rod 417 sliding up and down along the arc extinguishing chamber 414, and the energy storage gate 412 is responsible for storing energy inside the energy storage switch mechanism 413.

[0064] The linkage member 42 includes a fixed plate 421 fixedly connected to the bottom of the sliding contact rod 417, and a plurality of linkage insulators 422 are fixedly connected to the side wall of the fixed plate 421. The middle part of the linkage insulator 422 near the end of the operating gate 324 is rotatably connected to the linkage rod 3 423. The end of the linkage rod 3 423 away from the linkage insulator 422 is rotatably connected to the moving plate 424. The end of the moving plate 424 near the inner wall of the mechanism box 1 is fixedly connected to the limit rod 425. The limit rod 425 slides through the side wall of the mechanism box 1. The function of this component is to During maintenance, the switch 411 is toggled on and off, and the switch 411 drives the mechanism inside the energy storage switch mechanism 413 to operate, driving the sliding contact rod 417 to move downward along the arc extinguishing chamber 414. At this time, the sliding contact rod 417 is disconnected from one end of the fixed contact rod 416, thereby realizing a one-time trip. At the same time, the sliding contact rod 417 drives the fixed plate 421 to move downward, driving the connecting rod three 423 to rotate. The rotation of the connecting rod three 423 drives the limit rod 425 at one end of the movable plate 424 to slide toward the inside of the mechanism box 1. At this time, the limit rod 425 is out of contact with one end of the limiting rod 432.

[0065] Safety member 43, one end of the rotating shaft 323 close to the operating gate 324 is fixedly connected to the crank block 2 431, and the end of the crank block 2 431 away from the rotating shaft 323 is rotatably connected to the limiting rod 432, and the end of the limiting rod 432 away from the crank block 2 431 is sleeved with a pressure spring 433, and the side wall of the mechanism box 1 is fixedly connected to the limiting column 434, and the end of the limiting rod 432 away from the crank block 2 431 is slidably connected to the limiting column 434, and the limiting rod 432 is away from One end of the crank block 431 is slidably connected to a pressing slider 435, and the pressing slider 435 is connected to the limiting column 434. The function of this component is to drive the end of the crank block 431 at one end of the crank block 431 to slide along the limiting column 434 when the operating gate 324 rotates. At this time, the pressing slider 435 and the pressure spring 433 are squeezed, and the angle between the crank block 431 and the limiting rod 432 gradually increases to 180 degrees. When the operating gate 324 continues to rotate downward, When the breaker is disconnected, the device is first installed inside the ring network box. When the device is working normally, the sliding contact rod 417 inside the switch member 41 is connected to the contact end of the fixed contact rod 416. At this time, the connecting rod 323 inside the linkage member 42 drives the limiting rod 425 at one end of the moving plate 424 to extend to the outside of the mechanism box 1. At this time, the limiting rod 425 is against one end of the limiting rod 432. This arrangement is conducive to the limiting rod 425 in the linkage member 42 to lock the gate member 32, thereby avoiding the disconnection of the device by rotating the operating gate 324 due to misoperation, thereby ensuring the stable and normal operation of the circuit breaker disconnector.

[0066] A specific application of this embodiment is:

[0067] When the circuit breaker isolating switch is used, the device is first installed inside the ring network box. When the device is working normally, the sliding contact rod 417 inside the switch member 41 is connected to the contact end of the fixed contact rod 416. At this time, the connecting rod 3 423 inside the linkage member 42 drives the limit rod 425 at one end of the movable plate 424 to extend to the outside of the mechanism box 1. At this time, the limit rod 425 is against one end of the limit rod 432. This arrangement is conducive to the limit rod 425 in the linkage member 42 to lock the regulating member 32, avoiding the disconnection of the device by rotating the operating gate 324 due to misoperation, thereby ensuring that the circuit breaker is isolated. The switch is stable and operating normally; when the device needs to be repaired, the switch 411 is toggled, and the switch 411 drives the mechanism inside the energy storage switch mechanism 413 to operate, driving the sliding contact rod 417 to move downward along the arc extinguishing chamber 414. At this time, the sliding contact rod 417 is disconnected from one end of the fixed contact rod 416, thereby achieving a single trip; at the same time, the sliding contact rod 417 drives the fixed plate 421 to move downward, driving the connecting rod 3 423 to rotate. The rotation of the connecting rod 3 423 drives the limit rod 425 at one end of the movable plate 424 to slide into the interior of the mechanism box 1. At this time, the limit rod 425 is disconnected from one end of the limiting rod 432;

[0068] By setting the gate regulating member 32, when the vacuum switch part 4 is disconnected, the operating gate 324 is manually rotated, and the operating gate 324 rotates to drive the operating insulator 326 at one end of the crank block 1 325 on the rotating shaft 323 to drive the isolation rod 322 to disengage from the connector 31, at this time, the secondary disconnection of the circuit breaker switch is realized, thereby ensuring the safety of the maintenance personnel of the device; in addition, when the operating gate 324 rotates, one end of the crank block 2 431 is driven to slide along the limit column 434, at this time, the pressing slider 435 and the pressure spring 433 are squeezed, and the crank block 2 The angle between 431 and the limiting rod 432 gradually increases to 180 degrees. When the operating gate 324 continues to rotate downward, the angle between the crank block 2 431 and the limiting rod 432 is greater than 180 degrees. At this time, under the elastic force of the pressure spring 433, the torque of the reverse rotation of the shaft 323 increases, thereby ensuring that the operating gate 324 will not be easily closed due to rebound when it is in the open state, which will bring danger to maintenance. By setting the contact member 33, when it is necessary to close the isolating switch part 3, the operating gate 324 is first rotated in the reverse direction, and the rotation of the shaft 323 drives one end of the operating insulator 326 to rotate. The end of the isolation rod 322 is connected to the contact head 315 and is close to the isolation rod 322. At this time, the connection bevel 332 is set to an inclined shape, which is conducive to avoiding the isolation rod 322 and the connection contact 315 from colliding due to misalignment. By arranging the isolation rod 322 and the connection contact 315 to be aligned and connected, on the one hand, it is conducive to protecting the connection contact 315 from colliding with one end of the isolation rod 322 and causing damage to the connection contact 315. On the other hand, it is conducive to improving the accuracy of the connection between the isolation rod 322 and the connection contact 315. When the isolation rod 322 and the contact head 315 are close to each other, the isolation rod 322 and the connection contact 315 are close to each other. 22 and the operating insulator 326 decreases. At this time, the connecting rod 2 337 on the operating insulator 326 drives the slider 2 336 along the sliding groove 331 to squeeze the compression spring 335. The compression spring 335 is squeezed and the elastic force increases. At this time, the elastic force of the compression spring 335 increases the squeezing force of the connecting rod 1 334 at one end of the slider 1 333, and the squeezing force of the connecting rod 1 334 on the connecting bevel block 332 increases. This arrangement is conducive to increasing the squeezing force of the two connecting bevel blocks 332 on the connecting contact 315, thereby improving the stability of the connection between the connecting contact 315 and the isolation rod 322.

[0069] The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the present invention to the specific embodiments described. Obviously, many modifications and variations are possible based on the content of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A circuit breaker disconnector with a primary and secondary fusion ring network box, comprising a mechanism box body, the interior of which has an installation space, and a plurality of airtight insulators fixedly connected to the top of the mechanism box body, characterized in that: Also includes: An isolating switch unit, the isolating switch unit being mounted on a side wall of the mechanism box and being used to control and operate the secondary switch of the circuit breaker; as well as A vacuum switch part, which is installed inside the mounting hole inside the mechanism box and is used to control the primary switch of the circuit breaker; The isolating switch part is connected to the circuit input end through a pass, and the top of the vacuum switch part is connected to the circuit output end through a pass. The isolating switch part is provided to make the connection tighter. The isolating switch part and the vacuum switch part cooperate to realize the primary switch of the circuit breaker. The isolating switch unit includes: A connector, which is mounted on a side wall of the mechanism box and is used to connect to an external power source and also supports the installation of the isolating switch portion; A gate regulating member, the gate regulating member being mounted on the inner side of the connector member, the gate regulating member being rotatably mounted on the inner side of the connector member, and the gate regulating member being used to adjust the on / off state of the connector member; A contact member is installed inside the gate regulating member and is used to connect the gate regulating member and the connector member more tightly; The connector comprises a support frame fixedly connected to the side wall of the mechanism box, the end of the support frame away from the side wall of the mechanism box is fixedly connected to a connecting rod, the top of the connecting rod is fixedly connected to a plurality of support insulators, the end of the support insulator away from the connecting rod is fixedly connected to a first connector, and the top of the first connector is fixedly connected to a connecting contact; The gate regulating member includes a current transformer fixedly connected to the side wall of the airtight insulator, the side of the current transformer away from the airtight insulator is rotatably connected to the isolation rod, the middle part of the support frame is rotatably penetrated by a rotating shaft, one end of the rotating shaft is fixedly connected to the operating gate, the middle part of the rotating shaft is fixedly connected to a plurality of crank blocks 1, the end of the crank block 1 away from the rotating shaft is rotatably connected to the operating insulator, and the end of the operating insulator away from the crank block 1 is rotatably connected to the middle part of the isolation rod; The contact member includes a sliding groove opened on the isolation rod, and a plurality of connecting oblique blocks are slidingly connected inside the sliding groove. The connecting oblique blocks are in close contact with the connecting contacts. A slider 1 is slidingly connected to one end of the sliding groove close to the connecting oblique block, and one end of the slider 1 is rotatably connected to a connecting rod 1, and the end of the connecting rod 1 away from the slider 1 is rotatably connected to the connecting oblique block.

2. The circuit breaker disconnector of the primary and secondary fusion ring network box according to claim 1, characterized in that: The contact member also includes a compression spring fixedly connected to the end of slider 1 away from connecting rod 1, the end of the compression spring away from slider 1 is fixedly connected to slider 2, and slider 2 is slidably connected inside the sliding groove. The side wall of the end of the operating insulator away from crank block 1 is rotatably connected to connecting rod 2, and the end of the connecting rod 2 away from the operating insulator is rotatably connected to the side wall of slider 2.

3. The circuit breaker disconnector of the primary and secondary fusion ring network box according to claim 2, characterized in that: The vacuum switch unit includes: A switch component is installed inside the airtight insulator, and is used to connect to an external power source and also to cut off power and extinguish arcs; A linkage member, which is installed inside the installation space of the mechanism box and moves in coordination with the switch member; The safety part is installed on the side wall of the mechanism box, the safety part is fixedly connected to one end of the gate regulating part, the safety part is used to support and limit the rotation of the rotating shaft, and the safety part cooperates with the linkage part to realize the locking of the vacuum switch part to the isolating switch part.

4. The circuit breaker disconnector of the primary and secondary fusion ring network box according to claim 3, characterized in that: The switch member includes an opening and closing switch that rotates through the front side wall of the mechanism box, an energy storage gate that rotates through the front side wall of the mechanism box, and an energy storage switch mechanism that is fixedly connected to the interior of the mechanism box. The opening and closing switch and the energy storage gate control the internal operation of the energy storage switch mechanism; Among them, an arc extinguishing chamber is opened inside the airtight insulator, a connector 2 is fixedly connected to the top of the airtight insulator, a fixed contact rod is fixedly connected to the top of the arc extinguishing chamber, a sliding contact rod is slidably connected to the bottom of the arc extinguishing chamber, and a bellows is fixedly connected inside the arc extinguishing chamber. The opening and closing switch realizes the sliding contact rod sliding up and down along the arc extinguishing chamber by controlling the energy storage switch mechanism, and the energy storage gate is responsible for storing energy inside the energy storage switch mechanism.

5. The circuit breaker disconnector of the primary and secondary fusion ring network box according to claim 4, characterized in that: The linkage part includes a fixed plate fixedly connected to the bottom of the sliding contact rod, and a plurality of linkage insulators are fixedly connected to the side wall of the fixed plate. The middle part of the linkage insulator close to one end of the operating gate is rotatably connected to the linkage rod three, and the end of the linkage rod three away from the linkage insulator is rotatably connected to the movable plate. The end of the movable plate close to the inner wall of the mechanism box is fixedly connected to the limit rod, and the limit rod slides through the side wall of the mechanism box.

6. The circuit breaker disconnector of the primary and secondary fusion ring network box according to claim 5, characterized in that: The safety part, the end of the rotating shaft close to the operating gate is fixedly connected to the crank block 2, the end of the crank block 2 away from the rotating shaft is rotatably connected to the limiting rod, the end of the limiting rod away from the crank block 2 is provided with a pressure spring, the side wall of the mechanism box is fixedly connected to the limiting column, the end of the limiting rod away from the crank block 2 is slidably connected to the limiting column, the end of the limiting rod away from the crank block 2 is slidably connected to the clamping slider, and the clamping slider is connected to the limiting column.

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