CN218215124U - High-tolerance dual-function composite isolation vacuum circuit breaker - Google Patents
High-tolerance dual-function composite isolation vacuum circuit breaker Download PDFInfo
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- CN218215124U CN218215124U CN202221318941.6U CN202221318941U CN218215124U CN 218215124 U CN218215124 U CN 218215124U CN 202221318941 U CN202221318941 U CN 202221318941U CN 218215124 U CN218215124 U CN 218215124U
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Abstract
A high-tolerance dual-function composite isolation vacuum circuit breaker comprises a bracket, a three-phase solid-sealed pole, a dual-energy operating mechanism and a transmission beam; the double-energy operating mechanism is characterized by also comprising a function converter for converting between longitudinal driving and transverse rotation, wherein the function converter is arranged between the transmission cross beam and the double-energy operating mechanism; two ends of the transmission beam are respectively hinged to the bracket through two coaxial revolute pairs; the upper end and the lower end of each phase of solid-sealed polar pole are respectively provided with a moving contact which is electrically connected with the main loop; the invention adopts a three-phase solid-sealed polar pole capable of longitudinally rotating and a function converter for converting between longitudinal driving and transverse rotation, the operation rod component of the solid-sealed polar pole is driven by the function converter to linearly move so as to complete opening or closing of the breaker, and the solid-sealed polar pole is driven by the function converter to forwardly or reversely rotate by 90 degrees so as to realize opening or closing of the isolating switch, so that two conventional high-voltage switch products of the isolating switch and a vacuum breaker are structurally combined into a whole.
Description
Technical Field
The utility model belongs to the technical field of the technique of circuit breaker and specifically relates to a difunctional compound isolation vacuum circuit breaker of high tolerance is related to.
Background
In the field of high-voltage switch equipment, a vacuum circuit breaker operating device and a high-voltage isolating switch operating device are generally two independent core main devices, the vacuum circuit breaker operating device and the high-voltage isolating switch operating device are limited by connection and operation track conversion, a linear driving axis and a transverse rotating axis need to be separately arranged, rigid cross-linking connection and common box integration of two operating mechanisms cannot be achieved, and therefore a transition link is extremely complex and poor in performance stability. The existing high-voltage switch equipment field is single in function, most three-phase pole columns are transversely arranged in the front, the structure is complex, the overall dimension is large, the path length and the nodes of the current-carrying loop transitional connection are large, and the overhauling and maintenance are inconvenient. In addition, when joining in marriage the cubical switchboard and using, the volume of solid utmost point post is on the large side makes the cabinet body bulky to, it is obvious that the influence of operating mode environment exists to gu seal utmost point post, and mechanical stability is more weak, and the voltage-sharing is not enough with the heat conductivity scheduling problem.
SUMMERY OF THE UTILITY MODEL
To prior art not enough, the utility model aims to provide a compound isolation vacuum circuit breaker of difunctional quadruplex position of high tolerance.
In order to achieve the purpose, the utility model provides a scheme is a high-tolerance dual-function composite isolation vacuum circuit breaker, which comprises a bracket, a three-phase solid-sealed polar pole, a dual-energy operating mechanism and a transmission beam, wherein the dual-energy operating mechanism is fixed on one side of the bracket; the double-energy operating mechanism further comprises a function converter for converting between longitudinal driving and transverse rotation, wherein the function converter is arranged between the transmission cross beam and the double-energy operating mechanism; two ends of the transmission beam are respectively hinged to the support through two coaxial rotating pairs, and the three-phase solid-sealed polar poles are respectively and longitudinally fixed to the transmission beam; moving contacts for being electrically connected with a main loop are arranged at the upper end and the lower end of each phase of the solid-sealed polar pole; an arc extinguish chamber, an incoming conducting seat, an outgoing conducting seat, a conducting soft connecting piece and an operating rod assembly are preset on each phase of the solid-sealed polar pole, wherein the solid-sealed polar pole of each phase is electrically connected with a moving contact at the upper end of the solid-sealed polar pole by taking the incoming conducting seat as an incoming line, and is electrically connected with a moving contact at the lower end of the solid-sealed polar pole by taking the conducting soft connecting piece, the outgoing conducting seat as an outgoing line; the upper end of the operating rod assembly is in threaded connection with the bottom of the arc extinguish chamber, and the lower end of the operating rod assembly is in transmission connection with the function converter.
Further, the function converter comprises a flange, a rotary fork bearing and a reversing connecting rod, wherein the flange is fixedly connected with the rotary fork bearing, and the flange and the rotary fork bearing are sleeved on the reversing connecting rod; the reversing connecting rod is in transmission connection with the operating rod assembly of the solid-sealed polar pole, and the flange is in rigid connection with the transmission cross beam.
Furthermore, the dual-energy operating mechanism comprises a mechanism case, a circuit breaker operating device, a disconnecting switch operating device, a mechanical interlocking device and an electrical program control interlocking device, wherein the circuit breaker operating device, the disconnecting switch operating device and the mechanical interlocking device are integrated in the mechanism case in a partitioning mode.
Further, the circuit breaker operating device comprises a volute spiral spring, a closed plane groove cam, a driving crank arm set and a tripping device, wherein the volute spiral spring, the closed plane groove cam, the driving crank arm set and the tripping device are respectively arranged at the middle position of the mechanism case; the closed plane groove cam is in transmission connection with the function converter.
Further, a main shaft is preset in the mechanism case, wherein the volute spiral spring, the closed plane groove cam and the driving crank arm group are all fixedly connected with the main shaft.
Furthermore, the circuit breaker operating device further comprises a power device used for carrying out manual energy storage control or electric energy storage control on the volute spiral spring, wherein the power device is in transmission connection with the volute spiral spring, and the power device is arranged at the bottom in the mechanism case.
Furthermore, the disconnecting switch operating device comprises a motor, a gear set and a screw rod which are sequentially connected in a transmission manner, wherein the gear set and the screw rod are arranged at the rear part in the mechanism case, and the motor is arranged at the right side in the mechanism case; the screw is in transmission connection with the function converter.
Further, the mechanical interlock is disposed on the right side within the mechanism chassis.
Further, the electrically programmable interlock is disposed at a top of the mechanism chassis.
The beneficial effects of the utility model are that: the three-phase solid-sealed polar pole capable of longitudinally rotating and the function converter for converting between longitudinal driving and transverse rotating are adopted, the operation rod assembly of the solid-sealed polar pole is driven to linearly move through the function converter so as to complete switching-off or switching-on through the breaker, and the solid-sealed polar pole is driven to forwardly or reversely rotate by 90 degrees through the function converter so as to realize switching-on or switching-off of the isolating switch, so that two conventional high-voltage switch products of the isolating switch and the vacuum circuit breaker are structurally integrated; furthermore, a circuit breaker operating device, a disconnecting switch operating device, a mechanical interlocking device and an electrical program-controlled interlocking device are integrated into a mechanism case, wherein the circuit breaker operating device, the disconnecting switch operating device and the mechanical interlocking device are arranged in the mechanism case in a partitioned manner by taking the driving center of a concentric shaft of longitudinal linear driving and transverse rotation driving as a reference, and the electrical program-controlled interlocking device is arranged at the top of the mechanism case, so that a multifunctional compound machine body is realized, the structure of the isolating vacuum circuit breaker is simplified, the structure is compact, and the performance stability is improved; in order to improve the comprehensive reliability of electric, mechanical and environmental tolerance and the like, the invention adopts the conductive soft connecting piece arranged between the arc extinguish chamber and the outgoing line conductive seat in the solid-sealed polar pole, thereby avoiding the attenuation of the reliability of electric contact caused by the influence of long-term current-carrying heating and avoiding the poor contact of the plane butt fracture of the arc extinguish chamber caused by the deformation of the elastic contact finger.
Drawings
Fig. 1 is a side view of an isolating vacuum circuit breaker.
Fig. 2 is a schematic structural view of the embedded pole.
Fig. 3 is a schematic structural diagram of the functional converter.
Fig. 4 is a schematic structural diagram of the dual-energy operating mechanism.
Fig. 5 is a top view of the dual energy operator.
The device comprises a spiral spring 11, a closed plane groove cam 12, a driving crank arm group 13, a tripping device 14, a power device 15, a motor 21, a gear group 22, a screw 23, a mechanical interlocking device 3, an electrical program control interlocking device 4, a mechanism case 5, a support 6, a function converter 7, a reversing connecting rod 71, a flange 72, a rotating fork bearing 73, a transmission cross beam 8, a sealing pole 9, a moving contact 91, a wire inlet conducting seat 92, an arc extinguish chamber 93, a conductive soft connecting piece 94, an operation rod assembly 95 and a wire outlet conducting seat 96.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. These embodiments are provided so that this disclosure will be thorough and complete.
Referring to fig. 1, in this embodiment, a high-tolerance dual-function composite isolation vacuum circuit breaker includes a support 6, a three-phase solid-sealed pole 9, a dual-function operating mechanism and a transmission beam 8, wherein two ends of the transmission beam 8 are respectively hinged to the support 6 through two coaxial revolute pairs, the three-phase solid-sealed pole 9 is respectively and longitudinally fixed to the transmission beam 8, and each phase solid-sealed pole 9 longitudinally rotates along with the rotation of the transmission beam 8.
Referring to fig. 2, in the present embodiment, the bracket 6 is mounted with three pairs of stationary contacts 71 electrically connected to the main circuit, each pair of stationary contacts 71 is arranged vertically, and the three pairs of stationary contacts 71 are respectively and correspondingly located in a rotation plane where the three embedded poles 9 are located. The upper end and the lower end of each phase of solid-sealed polar pole 9 are respectively provided with a movable contact 91 which is in contact fit with the fixed contact 71, and the movable contacts 91 are in contact with and electrically connected with the fixed contact 71, so that the three-phase solid-sealed polar pole 9 is electrically connected with the main loop.
In this embodiment, an arc extinguish chamber 93, an incoming line conductive seat 92, an outgoing line conductive seat 96, a conductive flexible connector 94 and an operating rod assembly 95 are preset in each phase of the embedded pole 9, wherein the incoming line conductive seat 92 and the outgoing line conductive seat 96 are respectively electrically connected with a movable contact 91 at the upper end and a movable contact 91 at the lower end of the embedded pole 9, and the top of the arc extinguish chamber 93 is connected with the incoming line conductive seat 92. The bottom of the arc extinguishing chamber 93 is connected to the outgoing conductor seat 96 through a conductive flexible connector 94. Each phase of solid-sealed polar pole 9 is electrically connected with the incoming line conductive seat 92 and the moving contact 91 at the upper end of the solid-sealed polar pole 9 as the incoming line, and is electrically connected with the conductive soft connecting piece 94, the outgoing line conductive seat 96 and the moving contact 91 at the lower end of the solid-sealed polar pole 9 as the outgoing line, so as to form a vertical line type current-carrying loop. The bottom of the arc extinguish chamber 93 is connected with the operating rod assembly 95 in a threaded manner. By arranging the conductive soft connecting piece 94 between the outgoing line conductive seat 96 and the arc extinguish chamber 93, the attenuation of the reliability of electric contact caused by the influence of long-term current-carrying heating is avoided, the bad contact of the plane butt-joint fracture of the arc extinguish chamber 93 caused by the deformation of the elastic contact finger is avoided, and the comprehensive reliability performances of electric, mechanical and environmental tolerance and the like of the isolation vacuum circuit breaker are improved.
In the present exemplary embodiment, the dual-energy actuator comprises a function switch 7 for switching between longitudinal drive and transverse rotation, a mechanism housing 5, a circuit breaker actuator, a disconnector actuator, a mechanical interlock 3 and an electrically programmable interlock 4, wherein the function switch 7 is arranged between the drive beam 8 and the dual-energy actuator. The operation rod assembly 95 of the solid-sealed polar pole 9 is driven to linearly move through the function converter 7 to complete switching-off or switching-on through the breaker, and the solid-sealed polar pole 9 is driven to rotate forwards or reversely by 90 degrees through the function converter 7 to achieve switching-on or switching-off of the isolating switch, so that the isolating switch and two conventional high-voltage switch products of the vacuum breaker are structurally integrated.
Referring to fig. 3, in the present embodiment, the function converter 7 includes a flange 72, a fork bearing 73 and a reversing connection rod 71, wherein the flange 72 and the fork bearing 73 are fixedly connected by bolts, and the flange 72 and the fork bearing 73 are sleeved on the reversing connection rod 71. The reversing connecting rod 71 is in transmission connection with an operating rod assembly 95 of the solid-sealed polar pole 9, and the flange 72 is in rigid connection with the transmission cross beam 8. When the circuit breaker operating device outputs a transverse force to the function converter 7, the transverse force is converted into a longitudinal force via the reversing lever 71. When the disconnector operating device outputs a rotational force to the function switching device, the flange 72 drives the transmission beam 8 to rotate.
Referring to fig. 4, in this embodiment, the circuit breaker operating device is configured to drive the operating rod assembly 95 to perform a linear motion, so that the vacuum interrupter 93 in the embedded pole 9 is turned on or off, and the circuit breaker is turned on or off. The circuit breaker operating device comprises a volute spiral spring 11, a closed plane groove cam 12, a driving crank arm group 13 and a tripping device 14, wherein the closed plane groove cam 12 is in transmission connection with a function conversion device. Energy is released for one circle by the volute spiral spring 11 in a segmented mode, the closed plane groove cam 12 rotates for one circle, and the circuit breaker completes one cycle of opening and closing. In actual operation, firstly, the volute spiral spring 11 stores energy, then, the tripping device 14 is tripped, so that the closed plane groove cam 12 outputs a transverse acting force, the transverse acting force is transmitted to the function converter 7, and is converted into a longitudinal acting force under the action of the function converter 7, and the longitudinal acting force is transmitted to the operating rod assembly 95, and the operating rod assembly 95 is driven to do linear motion through the longitudinal acting force.
Referring to fig. 4, in the present embodiment, the circuit breaker operating device further includes a power device 15 for performing manual energy storage control or electric energy storage control on the operating rod assembly 95 spiral spring 11, wherein the operating rod assembly 95 power device 15 is in transmission connection with the operating rod assembly 95 spiral spring 11, and the power device 15 is disposed at the bottom inside the mechanism case 5. The manual or electric energy storage control of the volute spiral spring 11 is realized through the power device 15, and one-key sequential control automation and intellectualization of the isolation vacuum circuit breaker are realized.
In this embodiment, the disconnecting switch operating device is used for driving the transmission beam 8 to rotate, so that the three-phase solid-sealed polar pole 9 can rotate by 90 degrees in the forward direction or 90 degrees in the reverse direction, and the disconnecting switch opening and closing operation of the disconnecting switch is realized. The disconnecting switch operating device comprises a motor 21, a gear set 22 and a screw 23 which are sequentially connected in a transmission manner, wherein the screw 23 is connected with the function converter 7 in a transmission manner. Through the forward or reverse rotation driving of the motor 21, the rotation driving acting force of the motor 21 drives the function converter 7 to rotate after being sequentially transmitted by the gear set 22 and the screw 23, so that the three-phase solid-sealed polar pole 9 rotates forward to enable the moving contact 91 to be in contact with and electrically connected with the fixed contact, and the closing of the isolating switch is realized, or the three-phase solid-sealed polar pole 9 rotates reversely to enable the moving contact 91 to be separated from the fixed contact, and the opening of the isolating switch is realized.
Referring to fig. 4 or 5, in the present embodiment, the circuit breaker operating device, the disconnecting switch operating device, and the mechanical interlock device 3 are integrated in the mechanism case 5 in a functional composite partition, and are partitioned based on the driving center of the concentric shafts of the longitudinal linear driving and the lateral rotational driving, specifically, the gear set 22 and the screw 23 of the disconnecting switch operating device are disposed at the rear portion in the mechanism case 5, and the motor 21 is disposed at the right side in the mechanism case 5. A main shaft is preset in the mechanism case 5. The volute spiral spring 11, the closed plane groove cam 12, the driving crank arm set 13 and the tripping device 14 of the circuit breaker operating device are respectively arranged at the middle position of the mechanism case 5, and the volute spiral spring 11, the closed plane groove cam 12 and the driving crank arm set 13 are fixedly connected with the main shaft. The mechanical interlock 3 is arranged on the right side in the mechanism cabinet 5. The electric program control interlocking device 4 is integrally arranged at the top of the case. Through the arrangement of the circuit breaker operating device, the disconnecting switch operating device, the mechanical interlocking device 3 and the electrical program control interlocking device 4 on the mechanism case 5, a multifunctional combined machine body is realized, the structure of the isolating vacuum circuit breaker is simplified, the structure is compact, and the performance stability is improved.
In the present embodiment, the mechanical interlock device 3 is used to prevent the circuit breaker operating device and the disconnector operating device from being operated by mistake during use. When the circuit breaker is in a closing state, the mechanical interlocking device 3 prevents the disconnecting switch from opening or closing. The electrical program control interlocking device 4 is used for collecting linkage or shared action information among the mechanical interlocking device 3, the circuit breaker operating device and the disconnecting switch operating device and sending the linkage or shared action information to the intelligent control system of the complete set of switch equipment for processing.
The above-described embodiments are merely preferred embodiments of the present invention, which are not intended to limit the present invention in any way. Those skilled in the art can make many changes, modifications, and equivalents of the embodiments of the invention without departing from the scope of the invention. Therefore, the content of the technical solution of the present invention, equivalent changes made by the idea of the present invention, should be covered by the protection scope of the present invention.
Claims (9)
1. The utility model provides a difunctional compound isolation vacuum circuit breaker of high tolerance, seals utmost point post (9), dual ability operating device and transmission crossbeam (8) including support (6), three-phase admittedly, wherein, dual ability operating device is fixed in one side of support (6), its characterized in that: the double-function mechanism further comprises a function converter (7) for converting between longitudinal driving and transverse rotation, wherein the function converter (7) is arranged between the transmission cross beam (8) and the double-function mechanism; two ends of the transmission beam (8) are respectively hinged to the bracket (6) through two coaxial revolute pairs, and the three-phase solid-sealed polar columns (9) are respectively and longitudinally fixed to the transmission beam (8); the upper end and the lower end of each phase of the solid-sealed polar pole (9) are respectively provided with a movable contact (91) which is electrically connected with a main loop; an arc extinguish chamber (93), an incoming line conductive seat (92), an outgoing line conductive seat (96), a conductive soft connecting piece (94) and an operating rod assembly (95) are preset in each phase of the solid-sealed polar pole (9), wherein each phase of the solid-sealed polar pole (9) is electrically connected with the incoming line conductive seat (92) and a movable contact (91) at the upper end of the solid-sealed polar pole (9) as incoming lines, and the conductive soft connecting piece (94), the outgoing line conductive seat (96) and the movable contact (91) at the lower end of the solid-sealed polar pole (9) are electrically connected as outgoing lines; the upper end of the operating rod assembly (95) is in threaded connection with the bottom of the arc extinguishing chamber (93), and the lower end of the operating rod assembly (95) is in transmission connection with the function converter (7).
2. The high-endurance, dual-function, composite isolating vacuum circuit breaker according to claim 1, wherein: the function converter (7) comprises a flange (72), a rotary fork bearing (73) and a reversing connecting rod (71), wherein the flange (72) is fixedly connected with the rotary fork bearing (73), and the flange (72) and the rotary fork bearing (73) are sleeved on the reversing connecting rod (71); the reversing connecting rod (71) is in transmission connection with an operating rod assembly (95) of the solid-sealed polar pole (9), and the flange (72) is in rigid connection with the transmission cross beam (8).
3. The high-tolerance dual-function composite isolating vacuum circuit breaker according to claim 1, wherein: the dual-energy operating mechanism comprises a mechanism case (5), a circuit breaker operating device, a disconnecting switch operating device, a mechanical interlocking device (3) and an electric program control interlocking device (4), wherein the circuit breaker operating device, the disconnecting switch operating device and the mechanical interlocking device (3) are integrated in the mechanism case (5) in a partition mode.
4. The high-endurance, dual-function, composite isolating vacuum circuit breaker according to claim 3, wherein: the circuit breaker operating device comprises a volute spiral spring (11), a closed plane groove cam (12), a driving crank arm set (13) and a tripping device (14), wherein the volute spiral spring (11), the closed plane groove cam (12), the driving crank arm set (13) and the tripping device (14) are respectively arranged at the middle position of the mechanism case (5); the closed plane groove cam (12) is in transmission connection with the function converter (7).
5. The high-tolerance dual-function composite isolating vacuum circuit breaker according to claim 4, wherein: a main shaft is preset in the mechanism case (5), wherein the volute spiral spring (11), the closed plane groove cam (12) and the driving crank arm group (13) are fixedly connected with the main shaft.
6. The high-endurance, dual-function, composite isolating vacuum circuit breaker according to claim 5, wherein: the circuit breaker operating device further comprises a power device (15) used for carrying out manual energy storage control or electric energy storage control on the volute spiral spring (11), wherein the power device (15) is in transmission connection with the volute spiral spring (11), and the power device (15) is arranged at the bottom in the mechanism case (5).
7. The high-tolerance dual-function composite isolating vacuum circuit breaker according to claim 3, wherein: the disconnecting switch operating device comprises a motor (21), a gear set (22) and a screw rod (23) which are sequentially connected in a transmission manner, wherein the gear set (22) and the screw rod (23) are arranged at the rear part in the mechanism case (5), and the motor (21) is arranged at the right side in the mechanism case (5); the screw rod (23) is in transmission connection with the function converter (7).
8. The high-tolerance dual-function composite isolating vacuum circuit breaker according to claim 3, wherein: the mechanical interlocking device (3) is arranged on the right side in the mechanism case (5).
9. The high-tolerance dual-function composite isolating vacuum circuit breaker according to claim 3, wherein: the electric program control interlocking device (4) is arranged at the top of the mechanism case (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221318941.6U CN218215124U (en) | 2022-05-30 | 2022-05-30 | High-tolerance dual-function composite isolation vacuum circuit breaker |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221318941.6U CN218215124U (en) | 2022-05-30 | 2022-05-30 | High-tolerance dual-function composite isolation vacuum circuit breaker |
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| CN218215124U true CN218215124U (en) | 2023-01-03 |
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| CN202221318941.6U Active CN218215124U (en) | 2022-05-30 | 2022-05-30 | High-tolerance dual-function composite isolation vacuum circuit breaker |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024199013A1 (en) * | 2023-03-24 | 2024-10-03 | 广东维能电气有限公司 | Isolation vacuum circuit breaker having zero-crossing opening and closing, and control system therefor |
-
2022
- 2022-05-30 CN CN202221318941.6U patent/CN218215124U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024199013A1 (en) * | 2023-03-24 | 2024-10-03 | 广东维能电气有限公司 | Isolation vacuum circuit breaker having zero-crossing opening and closing, and control system therefor |
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