CN216121533U - Isolation knife type three-station circuit breaker all-in-one machine - Google Patents
Isolation knife type three-station circuit breaker all-in-one machine Download PDFInfo
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- CN216121533U CN216121533U CN202022065235.2U CN202022065235U CN216121533U CN 216121533 U CN216121533 U CN 216121533U CN 202022065235 U CN202022065235 U CN 202022065235U CN 216121533 U CN216121533 U CN 216121533U
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- circuit breaker
- aluminum plate
- operating mechanism
- installation aluminum
- circuit
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Abstract
The utility model provides an isolation knife type three-station circuit breaker all-in-one machine which comprises a three-station operating mechanism, a circuit breaker primary circuit, a circuit breaker operating mechanism, an installation aluminum plate and an isolation switch, wherein the installation aluminum plate and the isolation switch are detachably arranged in an inflatable cabinet; this design simple structure, convenient assembling, the cost of manufacturing is low, and the return circuit resistance value is little once, can install each part earlier on installation aluminum plate, and in installing installation aluminum plate into the gas tank after the debugging again, very big convenience has been gone into circuit breaker and isolator's installation, also makes work such as later maintenance, maintenance become simpler and easier.
Description
Technical Field
The utility model relates to the field of circuit breakers, in particular to an isolating knife type three-station circuit breaker all-in-one machine.
Background
In the existing gas-filled cabinet, the circuit breaker and the isolating switch are directly fixed on the inner wall of the cabinet body of the gas-filled cabinet through screws and nuts, so that the existing gas-filled cabinet circuit breaker and the isolating switch are respectively assembled and debugged outside the cabinet body, then assembled and debugged in the gas-filled cabinet body, and are required to be assembled and debugged with other elements such as a bus bar and the like again, the assembly and the debugging are inconvenient in the narrow cabinet body, the working efficiency is not high, and meanwhile, the trouble workload of later maintenance, maintenance and the like is also large; and the inside of the inflatable cabinet is a closed environment, a large amount of heat can be generated during operation, the heat is not easy to be dissipated to the outside of the cabinet body, the temperature in the cabinet is high, and the aging of the internal insulation elements is accelerated, so that the whole service life of the inflatable cabinet is influenced.
SUMMERY OF THE UTILITY MODEL
Aiming at the technical defects, the utility model aims to provide an isolation knife type three-station circuit breaker all-in-one machine which is simple in structure, convenient to assemble and low in manufacturing cost, can be assembled and debugged outside a cabinet body and then is installed in an inflatable cabinet, and solves the problems that the assembly and debugging in the cabinet body are inconvenient, and the trouble and the workload in later maintenance, overhaul and the like are large.
In order to solve the technical problems, the utility model adopts the following technical scheme:
an isolation knife type three-station circuit breaker all-in-one machine comprises a three-station operating mechanism, a circuit breaker primary circuit, a circuit breaker operating mechanism, an installation aluminum plate and an isolation knife switch, wherein the installation aluminum plate and the isolation knife switch are detachably arranged in an inflation cabinet, the circuit breaker operating mechanism is installed on one side of the installation aluminum plate, the circuit breaker primary circuit is installed on the other side of the installation aluminum plate and is connected with the circuit breaker operating mechanism, the three-station operating mechanism is arranged above the circuit breaker operating mechanism and is connected with the side wall of the installation aluminum plate, an insulation thread telescopic rod of the three-station operating mechanism penetrates through and extends out of the installation aluminum plate, the isolation knife switch connected with the top end of the circuit breaker primary circuit is arranged at the top end of the circuit breaker primary circuit, a sliding groove is formed in the isolation knife switch, and a connecting block connected with the insulation thread telescopic rod of the three-station operating mechanism is arranged in the sliding groove, the terminal top in circuit breaker primary circuit be equipped with the isolation switch carries out the intercommunication contact that connects just through the face contact form the intercommunication contact is connected with the female row of aerifing the cabinet, be equipped with on installation aluminum plate's the lateral wall with the ground contact that the isolation switch carries out the connection through the face contact form, ground contact is connected with the ground wire of aerifing the cabinet.
The utility model has the beneficial effects that: this design simple structure, convenient assembling, the cost of manufacturing is low, can install each part earlier on installation aluminum plate, through in debugging back will install aluminum plate pack into the gas insulated switchgear again, very big make things convenient for circuit breaker and isolator's installation, also make work such as later maintenance, maintenance become simpler and easier, and the resistance value of primary loop is little moreover, also makes the temperature rise in the gas insulated switchgear less, is favorable to the long-time use of gas insulated switchgear.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an isolation knife type three-station circuit breaker all-in-one machine provided in an embodiment of the present invention.
Description of reference numerals:
1-three-station operating mechanism, 2-circuit breaker operating mechanism, 3-circuit breaker primary circuit, 4-installation aluminum plate, 5-isolation disconnecting link, 6-communication contact and 7-grounding contact.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in figure 1, an isolation knife type three-station circuit breaker all-in-one machine comprises a three-station operating mechanism 1, a circuit breaker primary circuit 3, a circuit breaker operating mechanism 2, an installation aluminum plate 4 and an isolation disconnecting link 5 which are detachably arranged in an inflatable cabinet, wherein the specific number of the circuit breaker primary circuit 3 and the isolation disconnecting link 5 can be correspondingly changed according to actual requirements, the circuit breaker operating mechanism 2 can be installed on one side of the installation aluminum plate 4 through bolts, the circuit breaker primary circuit 3 can be installed on the other side of the installation aluminum plate 4 through bolts and is connected with the circuit breaker operating mechanism 2, the circuit breaker operating mechanism 2 can perform the functions of opening and closing the circuit breaker primary circuit 3, the resistance value of the primary circuit is small, the temperature rise in the inflatable cabinet is also small, the three-station operating mechanism 1 is arranged above the circuit breaker operating mechanism 2, and the three-station operating mechanism 1 is connected with the side wall of the installation aluminum plate 4, the three-station operating mechanism 1 can be installed on the side wall of the installation aluminum plate 4 through bolts, so that each part can be fixed on the installation aluminum plate 4 firstly, after debugging, the installation aluminum plate 4 is installed in the inflatable cabinet, the installation of each part is greatly facilitated, and the later maintenance is also facilitated, an insulating threaded telescopic rod of the three-station operating mechanism 1 penetrates through and extends out of the installation aluminum plate 4, an isolation disconnecting link 5 connected with the top end of a primary circuit 3 of the circuit breaker is arranged at the top end of the primary circuit 3 of the circuit breaker, a sliding groove is arranged on the isolation disconnecting link 5, a connecting block connected with the insulating threaded telescopic rod is arranged in the sliding groove in a sliding manner, the isolation disconnecting link 5 can be operated through the three-station operating mechanism 1 to move disconnecting links at different working positions, so that three different working states of connection, isolation and grounding can be generated, a communication contact head 6 connected with the isolation disconnecting link 5 in a surface contact manner is arranged above the tail end of the primary circuit 3 of the circuit breaker, and the communication contact head 6 is connected with a busbar of the inflatable cabinet, the side wall of the installation aluminum plate 4 is provided with a grounding contact head 7 which is connected with the isolation switch 5 in a surface contact mode, and the grounding contact head 7 is connected with the ground wire of the inflatable cabinet, so that the isolation switch 5 can be conveniently switched on and grounded.
During the use, install each part on installation aluminum plate through the bolt, after the debugging, the electric appliance cabinet of will installing aluminum plate packing into, when needing the switch-on circuit, three station operating device drive the plug-in strip of isolation switch through insulating screw telescopic link and move forward, until the plug-in strip contact to communicate the contact head can, when needs ground connection, three station operating device drive the plug-in strip of isolation switch through insulating screw telescopic link and move backward, until contacting the ground connection contact head can, when needs isolation circuit, three station operating device drive the plug-in strip of isolation switch through insulating screw telescopic link and move forward, until with the intercommunication contact head, the ground connection contact head all contactless can.
The design of the utility model has simple structure, convenient assembly and low manufacturing cost, can install each part on the installation aluminum plate firstly, and then install the installation aluminum plate into the inflatable cabinet after debugging, thereby greatly facilitating the installation of the circuit breaker and the isolating switch, leading the work of later maintenance, maintenance and the like to be simpler and easier, leading the resistance value of the primary loop to be small, and leading the temperature rise in the cabinet to be smaller.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (1)
1. An isolation knife type three-station circuit breaker all-in-one machine comprises a three-station operating mechanism, a circuit breaker primary circuit, a circuit breaker operating mechanism and is characterized by further comprising an installation aluminum plate and an isolation switch which are detachably arranged in an inflation cabinet, the circuit breaker operating mechanism is installed on one side of the installation aluminum plate, the circuit breaker primary circuit is installed on the other side of the installation aluminum plate and is connected with the circuit breaker operating mechanism, the three-station operating mechanism is arranged above the circuit breaker operating mechanism and is connected with the side wall of the installation aluminum plate, an insulation thread telescopic rod of the three-station operating mechanism penetrates through and extends out of the installation aluminum plate, the isolation switch connected with the top end of the circuit breaker primary circuit is arranged at the top end of the circuit breaker primary circuit, a sliding groove is formed in the isolation switch, and a connecting block connected with the insulation thread telescopic rod of the three-station operating mechanism is arranged in the sliding groove, the terminal top in circuit breaker primary circuit be equipped with the intercommunication contact head and the intercommunication contact head of isolation switch looks adaptation are connected with the female row of aerifing the cabinet, be equipped with on installation aluminum plate's the lateral wall with the ground contact head of isolation switch looks adaptation, ground contact head is connected with the ground wire of aerifing the cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022065235.2U CN216121533U (en) | 2020-09-18 | 2020-09-18 | Isolation knife type three-station circuit breaker all-in-one machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022065235.2U CN216121533U (en) | 2020-09-18 | 2020-09-18 | Isolation knife type three-station circuit breaker all-in-one machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216121533U true CN216121533U (en) | 2022-03-22 |
Family
ID=80685630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022065235.2U Active CN216121533U (en) | 2020-09-18 | 2020-09-18 | Isolation knife type three-station circuit breaker all-in-one machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216121533U (en) |
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2020
- 2020-09-18 CN CN202022065235.2U patent/CN216121533U/en active Active
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