CN114530345B - Isolation breaker switch on integral type - Google Patents

Isolation breaker switch on integral type Download PDF

Info

Publication number
CN114530345B
CN114530345B CN202210432757.2A CN202210432757A CN114530345B CN 114530345 B CN114530345 B CN 114530345B CN 202210432757 A CN202210432757 A CN 202210432757A CN 114530345 B CN114530345 B CN 114530345B
Authority
CN
China
Prior art keywords
groove
grounding
isolation
switch
isolating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202210432757.2A
Other languages
Chinese (zh)
Other versions
CN114530345A (en
Inventor
陶文庸
陶广耀
王志
方兴未
王亚奇
陈欢
张磊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Daye Intelligent Electrical Co ltd
Original Assignee
Jiangsu Daye Intelligent Electrical Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Daye Intelligent Electrical Co ltd filed Critical Jiangsu Daye Intelligent Electrical Co ltd
Priority to CN202210432757.2A priority Critical patent/CN114530345B/en
Publication of CN114530345A publication Critical patent/CN114530345A/en
Application granted granted Critical
Publication of CN114530345B publication Critical patent/CN114530345B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H31/00Air-break switches for high tension without arc-extinguishing or arc-preventing means
    • H01H31/003Earthing switches
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00Contacts
    • H01H1/58Electric connections to or between contacts; Terminals
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H31/00Air-break switches for high tension without arc-extinguishing or arc-preventing means
    • H01H31/02Details
    • H01H31/023Base and stationary contacts mounted thereon
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66Vacuum switches
    • H01H33/6606Terminal arrangements
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66Vacuum switches
    • H01H33/662Housings or protective screens
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66Vacuum switches
    • H01H33/666Operating arrangements
    • H01H33/6661Combination with other type of switch, e.g. for load break switches

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Gas-Insulated Switchgears (AREA)

Abstract

The invention discloses an integrated upper disconnecting circuit breaker switch, which comprises a switch assembly, wherein the switch assembly comprises a pole, a circuit breaker mechanism, a disconnecting switch and a grounding switch, and the circuit breaker mechanism, the disconnecting switch and the grounding switch are respectively connected with the pole; the limiting assembly comprises a limiting block, a sliding block and a clamping column, the limiting block is connected with the sliding block and the pole column, and the clamping column is connected with the sliding block. This device pours into a utmost point post with breaker switch, isolator and earthing switch's electrically conductive piece, need not separately to assemble, and the triplex is independent separately moreover, ensures insulating reliability.

Description

Isolation breaker switch on integral type
Technical Field
The invention relates to the technical field of circuit breakers, in particular to an integrated upper isolating circuit breaker switch.
Background
Circuit breaker switches on the market are divided into upper disconnecting circuit breaker switches, lower disconnecting circuit breaker switches and circuit breaker switches without isolation according to structure. Lower disconnecting circuit breaker switches are used more in the medium-voltage distribution industry, but with the development of power grids, different power supply types are carried forward in a neat manner, and the upper disconnecting circuit breaker switches also gradually occupy the medium-voltage distribution market. Breaker switch and isolator generally all are split type installation completion, and it is higher to isolator's assembly precision requirement, lead to split type switch's assembly efficiency low, the fault rate is high. Most of the existing C-GIS isolating switches are directly in gas insulation, the phase-to-phase distance of the switches is large, and the whole volume of a gas tank is increased.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments, and in this section as well as in the abstract and the title of the invention of this application some simplifications or omissions may be made to avoid obscuring the purpose of this section, the abstract and the title of the invention, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made keeping in mind the above problems occurring in the prior art and/or the problems occurring in the prior art.
Therefore, the technical problems to be solved by the invention are that the breaker switch and the isolating switch are generally installed in a split mode, the requirement on the assembling precision of the isolating switch is high, and the split type switch is low in assembling efficiency and high in failure rate.
In order to solve the technical problems, the invention provides the following technical scheme: an integrated upper isolation circuit breaker switch comprises a switch assembly, wherein the switch assembly comprises a pole, a circuit breaker mechanism, an isolation switch and a grounding switch, and the circuit breaker mechanism, the isolation switch and the grounding switch are respectively connected with the pole;
the limiting assembly comprises a limiting block, a sliding block and a clamping column, the limiting block and the sliding block are connected with the pole, and the clamping column is connected with the sliding block;
the pole comprises a breaker groove, an isolation groove and a grounding groove, the breaker groove is arranged at the upper end of the pole, the isolation groove and the grounding groove are arranged on the side surface of the pole, the breaker groove is communicated with the isolation groove, the breaker mechanism is arranged in the breaker groove, the isolation switch is inserted in the isolation groove, and the grounding switch is inserted in the grounding groove;
a limiting groove is further formed in the pole and is respectively communicated with the isolation groove and the grounding groove, and a limiting connecting plate is arranged in the limiting groove;
the lower end of the limiting block is provided with a limiting block groove, a limiting spring is arranged in the limiting block groove, the side surface of the limiting block is also provided with two limiting inclined planes, the two limiting inclined planes are symmetrically arranged along the central line of the limiting block, the limiting block is arranged in the limiting groove, and the limiting spring is connected with a limiting connecting plate;
the side surface of the pole is also provided with a fixed side surface block, the upper end of the fixed side surface block is provided with a cylindrical hole, a fixed groove is arranged in the fixed side surface block, the sliding block is arranged in the fixed groove, and the fixed groove is communicated with the isolation groove;
the sliding block comprises a sliding hole, a sliding spring, a sliding inclined plane and a clamping moving groove, the sliding hole is formed in the upper end of the sliding block, the sliding spring is arranged on the side face of the sliding block, the sliding inclined plane is arranged on the other side face of the sliding block, the clamping moving groove is formed in the sliding inclined plane, and the clamping moving groove is communicated with the sliding hole;
one end of the clamping column is provided with a clamping first inclined plane, the other end of the clamping column is provided with a clamping second inclined plane, and a spring plate is arranged on the circumferential surface of the clamping column;
the breaker mechanism switch is provided with a stretching insulating rod, the stretching insulating rod is provided with a pressing cylinder, and the pressing cylinder is inserted into the cylinder hole.
As a preferable aspect of the integrated upper disconnecting switch according to the present invention, wherein: the isolating switch comprises an isolating chain wheel, an isolating connecting rod and an isolating flange plate, the isolating connecting rod is connected with the isolating chain wheel in a key mode, one side of the isolating flange plate is connected with the isolating connecting rod, and the other side of the isolating flange plate is connected with the isolating groove;
the isolating switch further comprises an isolating lead screw and an isolating contact, the isolating lead screw is inserted into the isolating flange plate and connected with the isolating connecting rod, and the isolating contact is connected with the isolating lead screw.
As a preferable aspect of the integrated upper disconnecting switch according to the present invention, wherein: an isolation fixed contact is arranged in the isolation groove, an isolation connecting groove is arranged in the isolation fixed contact, and an isolation sliding lug is arranged in the isolation connecting groove;
the isolation contact is provided with an isolation sliding groove, the isolation contact is inserted into the isolation sliding groove in a penetrating mode, and the isolation sliding protruding block is arranged in the isolation sliding groove.
As a preferable aspect of the integrated upper disconnecting switch according to the present invention, wherein: the grounding switch comprises a grounding chain wheel, a grounding connecting rod and a grounding flange plate, the grounding connecting rod is in key connection with the grounding chain wheel, one side of the grounding flange plate is connected with the grounding connecting rod, and the other side of the grounding flange plate is connected with the grounding groove;
the grounding switch further comprises a grounding lead screw and a grounding contact, the grounding lead screw is inserted into the grounding flange plate in a penetrating mode and connected with the grounding connecting rod, and the grounding contact is connected with the grounding lead screw.
As a preferable aspect of the integrated upper disconnecting switch according to the present invention, wherein: a grounding static contact is arranged in the grounding groove, a grounding connecting groove is arranged on the grounding static contact, and a grounding sliding block is arranged in the grounding connecting groove;
the grounding contact is provided with a grounding sliding groove, the grounding contact is inserted into the grounding connecting groove, and the grounding sliding block is arranged in the grounding sliding groove.
As a preferable aspect of the integrated upper disconnecting switch according to the present invention, wherein: still be provided with the fillet post on the isolation contact, be provided with the spacing groove of keeping apart on the fillet post.
The invention has the beneficial effects that: the device pours the conductive pieces of the breaker switch, the isolating switch and the grounding switch into one pole without separate assembly, and the three switches are independent to ensure the insulation reliability.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
fig. 1 is a schematic view of an integrated upper disconnecting switch assembly according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a connection structure of an integrated upper disconnecting circuit breaker switch assembly according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a disconnecting switch in the integrated upper disconnecting circuit breaker switch according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a grounding switch in an integrated upper disconnecting circuit breaker switch according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a grounding stationary contact in an integrated upper disconnecting switch according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of an isolation stationary contact in an integrated upper isolation circuit breaker switch according to an embodiment of the present invention;
fig. 7 is a schematic partial sectional view of a switch pole of an integrated upper disconnecting switch according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a limiting block in an integrated upper disconnecting circuit breaker switch according to an embodiment of the present invention;
fig. 9 is a schematic cross-sectional view of a sliding block in an integrated upper disconnecting switch according to an embodiment of the present invention;
fig. 10 is a schematic structural diagram of a sliding block and an engaging post in an integrated upper disconnecting switch according to an embodiment of the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Next, the present invention will be described in detail with reference to the drawings, wherein the cross-sectional views illustrating the structure of the device are not enlarged partially according to the general scale for convenience of illustration when describing the embodiments of the present invention, and the drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1 to 6, the present embodiment provides an integrated upper disconnecting switch including a switch assembly 100.
The switch assembly 100 comprises a pole 101, a breaker mechanism 102, a disconnector 103 and a grounding switch 104, wherein the breaker mechanism 102, the disconnector 103 and the grounding switch 104 are respectively connected with the pole 101.
Utmost point post 101 includes circuit breaker groove 101a, isolation tank 101b and earthing channel 101c, and circuit breaker groove 101a sets up in utmost point post 101 upper end, and isolation tank 101b and earthing channel 101c set up in utmost point post 101 side, and circuit breaker groove 101a and isolation tank 101b communicate with each other, and circuit breaker mechanism 102 installs in circuit breaker groove 101a, and isolator 103 alternates in isolation tank 101b, and earthing switch 104 alternates in earthing channel 101 c.
The outer wall of the pole 101 is provided with an umbrella skirt structure to facilitate heat dissipation, and the isolation groove 101b and the grounding groove 101c are open groove bodies to facilitate heat dissipation.
Isolator 103 includes keeps apart sprocket 103a, keeps apart connecting rod 103b and keeps apart ring flange 103c, keeps apart connecting rod 103b and keeps apart sprocket 103a key-type connection, keeps apart ring flange 103c one side and keeps apart connecting rod 103b and be connected, opposite side and isolation groove 101b fixed connection, keeps apart connecting rod 103b and keeps apart ring flange 103c inner bearing and is connected the rotation of being convenient for.
The isolating switch 103 further comprises an isolating lead screw 103d and an isolating contact 103e, the isolating lead screw 103d is inserted into the isolating flange plate 103c and fixedly connected with the isolating connecting rod 103b, and the isolating contact 103e is connected with the isolating lead screw 103d through a lead screw.
An isolation fixed contact 101b-1 is arranged in the isolation groove 101b, an isolation connection groove 101b-11 is arranged in the isolation fixed contact 101b-1, and an isolation sliding bump 101b-12 is arranged in the isolation connection groove 101 b-11.
The isolation contact 103e is provided with an isolation sliding groove 103e-3, the isolation contact 103e is inserted into the isolation connecting groove 101b-11, and the isolation sliding projection 101b-12 is arranged in the isolation sliding groove 103 e-3.
The grounding switch 104 comprises a grounding chain wheel 104a, a grounding connecting rod 104b and a grounding flange 104c, the grounding connecting rod 104b is in key connection with the grounding chain wheel 104a, one side of the grounding flange 104c is connected with the grounding connecting rod 104b, the other side of the grounding flange is connected with the grounding groove 101c, and the grounding connecting rod 104b is in bearing connection with the inside of the grounding flange 104c so as to rotate.
The grounding switch 104 further comprises a grounding lead screw 104d and a grounding contact 104e, the grounding lead screw 104d is inserted into the grounding flange 104c and fixedly connected with the grounding connecting rod 104b, and the grounding contact 104e is connected with the grounding lead screw 104d through a lead screw.
A grounding fixed contact 101c-1 is arranged in the grounding groove 101c, a grounding connecting groove 101c-11 is arranged on the grounding fixed contact 101c-1, and a grounding sliding block 101c-12 is arranged in the grounding connecting groove 101 c-11.
The ground contact 104e is provided with a ground sliding groove 104e-1, the ground contact 104e is inserted into the ground connecting groove 101c-11, and the ground sliding block 101c-12 is disposed in the ground sliding groove 104 e-1.
The circuit breaker mechanism 102 further comprises a circuit breaker static contact and a vacuum circuit breaker, the circuit breaker contact is clamped between the vacuum circuit breaker and the tensile insulating rod 102a, and the switching-on and switching-off movement of the vacuum circuit breaker is achieved by pulling the tensile insulating rod 102 a.
It should be noted that spring contact finger grooves are respectively formed in the breaker fixed contact, the grounding fixed contact 101c-1 and the isolation fixed contact 101b-1, and spring contact fingers are arranged in the spring contact finger grooves.
The external ground is connected with the grounding fixed contact 101c-1, the high-voltage bus end is connected with the isolation fixed contact 101b-1, and the high-voltage inlet end is connected with the fixed end of the vacuum circuit breaker.
In this embodiment, a switching-on operation of the circuit breaker mechanism 102 is performed, the motor drives the isolation sprocket 103a to rotate first, the isolation contact 103e moves to be gradually away from the isolation sprocket 103a, the isolation switch 103 is switched on, then the motor drives the grounding sprocket 104a to rotate, the grounding contact 104e moves to be gradually close to the grounding sprocket 104a, the device exits from a grounding state, the tensile insulating rod 102a is pressed to combine the tensile insulating rod 102a, the static contact of the circuit breaker and the vacuum circuit breaker, and the switching-on operation of the vacuum circuit breaker is performed, which needs to be described.
When the breaker mechanism 102 is opened, the tensile insulating rod 102a is pulled to separate the tensile insulating rod 102a from the fixed contact of the breaker and the vacuum breaker, then the isolation contact 103e of the isolation chain wheel 103a is rotated to move to gradually approach the isolation chain wheel 103a, and the isolation switch 103 is opened; finally, the ground contact 104e of the rotating ground sprocket 104a moves away from the ground sprocket 104a gradually, and the device is in a ground closing state.
The device is simple in operation, the circuit breaker mechanism 102, the isolating switch 103 and the grounding switch 104 are independent, and the insulation reliability is ensured; the switch is wrapped up by utmost point post 101, can reduce alternate distance greatly, reduces the whole volume of switch gas tank, and circuit breaker mechanism 102, isolator 103, earthing switch 104 electrically conductive pouring need not separately to assemble in an utmost point post.
Example 2
Referring to fig. 2, 3, 7, 8, 9 and 10, a second embodiment of the present invention is provided, and based on the previous embodiment, this embodiment provides an implementation of an integrated upper disconnecting circuit breaker switch.
The limiting assembly 200 comprises a limiting block 201, a sliding block 202 and two clamping columns 203, the limiting block 201 and the sliding block 202 are connected with the pole 101, the clamping columns 203 are connected with the sliding block 202, and the limiting assembly 200 is provided with two clamping columns.
The pole 101 is further provided with a limiting groove 101d inside, the limiting groove 101d is communicated with the isolation groove 101b and the grounding groove 101c respectively, and a limiting connecting plate 101d-1 is arranged in the limiting groove 101 d.
The lower end of the limiting block 201 is provided with limiting block grooves 201b, limiting springs 201b-1 are arranged in the limiting block grooves 201b, limiting inclined planes 201a are further arranged on the side faces of the limiting block 201, the two limiting inclined planes 201a are symmetrically arranged along the central line of the limiting block 201, the limiting block 201 is arranged in the limiting groove 101d, and the limiting springs 201b-1 are fixedly connected with the limiting connecting plate 101 d-1.
When neither the disconnecting switch 103 nor the grounding switch 104 is closed, the two limit slopes 201a are exposed to a small portion in the isolating groove 101b and the grounding groove 101c, respectively.
The side surface of the pole 101 is also provided with a fixed side surface block 101e, the upper end of the fixed side surface block 101e is provided with a cylindrical hole 101e-1, a fixed groove 101e-2 is arranged in the fixed side surface block 101e, the sliding block 202 is arranged in the fixed groove 101e-2, and the fixed groove 101e-2 is communicated with the isolation groove 101 b.
Two fixed side blocks 101e are symmetrically arranged along the center line of the pole 101.
The sliding block 202 includes a sliding hole 202a, a sliding spring 202b, a sliding inclined surface 202c and an engaging moving groove 202d, the sliding hole 202a is disposed at the upper end of the sliding block 202, the sliding spring 202b is disposed at one side of the sliding block 202, the sliding inclined surface 202c is disposed at the other side of the sliding block, the engaging moving groove 202d is disposed on the sliding inclined surface 202c, the engaging moving groove 202d is communicated with the sliding hole 202a, and the sliding spring 202b is fixedly connected with the inside of the fixing groove 101 e-2.
The engaging column 203 has an engaging first inclined surface 203a at one end, an engaging second inclined surface 203b at the other end, and a spring plate 203c on the circumferential surface, the engaging column 203 is disposed in the engaging moving groove 202d, the engaging first inclined surface 203a is disposed in the sliding hole 202a, and the spring plate 203c is fixedly connected with the inside of the engaging moving groove 202 d.
A stretching insulating rod 102a is arranged on a switch of the circuit breaker mechanism 102, a pressing cylinder 102a-1 is arranged on the stretching insulating rod 102a, the pressing cylinder 102a-1 is inserted into a cylinder hole 101e-1, a round corner column 103e-1 is further arranged on the isolation contact 103e, and an isolation limiting groove 103e-2 is arranged on the round corner column 103 e-1.
When the circuit breaker mechanism 102 and the disconnector 103 are not closed, the second inclined engaging surface 203b of the engaging post 203 is completely disposed in the engaging moving groove 202 d.
In this embodiment, the ground switch 104 is in a closing state, at this time, the ground contact 104e contacts with the limit inclined surface 201a and presses the limit block 201 to move down part of the limit block 201 to be located in the isolation groove 101b, the circuit breaker mechanism 102 and the ground switch 104 are in a switching-off state, the ground sprocket 104a is driven to rotate by the motor, the ground contact 104e moves to gradually approach the ground sprocket 104a, when the ground contact 104e does not block and press the limit groove 101d and the limit block 201, the operation is stopped, and at this time, the ground switch 104 is in a state of not completely exiting; the isolation chain wheel 103a is driven to rotate by a motor, the isolation contact 103e moves away from the isolation chain wheel 103a gradually and moves to a certain position, then the isolation contact extrudes the limit inclined plane 201a, part of the limit block 201 on the limit block 201 is placed in the grounding groove 101c, the isolation chain wheel 103a continues to rotate to switch on the isolation switch 103, the isolation contact 103e moves to a certain position and then extrudes the sliding inclined plane 202c, the sliding block 202 contracts and moves until the sliding hole 202a and the cylindrical hole 101e-1 are aligned and stop contracting, at the moment, the switch-on of the isolation switch 103 is completed, and the isolation limit groove 103e-2 is aligned with the clamping moving groove 202 d.
It should be noted that, if the grounding switch 104 is selected to be completely withdrawn, the subsequent withdrawal of the grounding switch 104 is not required, and this is determined according to the actual situation.
Then, the motor drives the grounding chain wheel 104a to rotate, the grounding contact 104e moves to be close to the grounding chain wheel 104a, the device exits from the grounding state, the stretching insulating rod 102a is pressed to combine the stretching insulating rod 102a, the static contact of the circuit breaker and the vacuum circuit breaker, the vacuum circuit breaker is switched on, the pressing cylinder 102a-1 moves along with the stretching insulating rod 102a when the stretching insulating rod 102a is pressed, the clamping first inclined surface 203a in the sliding hole 202a is extruded, the clamping cylinder 203 moves to extend out to be inserted into the isolation limiting groove 103e-2, and the operation of the whole device is completed.
At this time, since part of the limiting block 201 is disposed in the grounding groove 101c, the grounding switch 104 cannot be switched on, and one end of the engaging column 203 is disposed in the isolation limiting groove 103e-2, and the isolating switch 103 cannot be operated, so that the safety of the device is ensured and the occurrence of misoperation is avoided.
When the vacuum circuit breaker is withdrawn, the vacuum circuit breaker can be opened firstly, the lower pressing cylinder 102a-1 moves out of the sliding hole 202a and is not pressed and clamped with the first inclined surface 203a, the clamping column 203 resets under the action of the spring plate 203c, the clamping second inclined surface 203b moves out of the isolation limiting groove 103e-2 and is not limited, the isolating switch 103 can be operated to open the vacuum circuit breaker, and then the grounding switch 104 can be completely closed.
It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.
Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the invention, or those unrelated to enabling the invention).
It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.

Claims (6)

1. The utility model provides a disconnector switch on integral type which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the switch assembly (100) comprises a pole (101), a breaker mechanism (102), a disconnecting switch (103) and a grounding switch (104), wherein the breaker mechanism (102), the disconnecting switch (103) and the grounding switch (104) are respectively connected with the pole (101);
the limiting assembly (200) comprises a limiting block (201), a sliding block (202) and a clamping column (203), the limiting block (201) and the sliding block (202) are connected with the pole (101), and the clamping column (203) is connected with the sliding block (202);
the pole post (101) comprises a breaker groove (101 a), an isolation groove (101 b) and a grounding groove (101 c), the breaker groove (101 a) is arranged at the upper end of the pole post (101), the isolation groove (101 b) and the grounding groove (101 c) are arranged on the side surface of the pole post (101), the breaker groove (101 a) is communicated with the isolation groove (101 b), the breaker mechanism (102) is arranged in the breaker groove (101 a), the isolation switch (103) is inserted in the isolation groove (101 b), and the grounding switch (104) is inserted in the grounding groove (101 c);
a limiting groove (101 d) is further formed in the pole (101), the limiting groove (101 d) is respectively communicated with the isolation groove (101 b) and the grounding groove (101 c), and a limiting connecting plate (101 d-1) is arranged in the limiting groove (101 d);
the lower end of the limiting block (201) is provided with a limiting block groove (201 b), two limiting springs (201 b-1) are arranged in the limiting block groove (201 b), limiting inclined planes (201 a) are further arranged on the side face of the limiting block (201), the two limiting inclined planes (201 a) are symmetrically arranged along the central line of the limiting block (201), the limiting block (201) is arranged in the limiting groove (101 d), and the limiting springs (201 b-1) are connected with a limiting connecting plate (101 d-1);
the side surface of the pole (101) is further provided with a fixed side surface block (101 e), the upper end of the fixed side surface block (101 e) is provided with a cylindrical hole (101 e-1), a fixed groove (101 e-2) is arranged in the fixed side surface block (101 e), the sliding block (202) is arranged in the fixed groove (101 e-2), and the fixed groove (101 e-2) is communicated with the isolation groove (101 b);
the sliding block (202) comprises a sliding hole (202 a), a sliding spring (202 b), a sliding inclined surface (202 c) and a clamping moving groove (202 d), the sliding hole (202 a) is arranged at the upper end of the sliding block (202), the sliding spring (202 b) is arranged on the side surface of the sliding block (202), the sliding inclined surface (202 c) is arranged on the other side surface, the clamping moving groove (202 d) is arranged on the sliding inclined surface (202 c), and the clamping moving groove (202 d) is communicated with the sliding hole (202 a);
one end of the clamping column (203) is provided with a clamping first inclined surface (203 a), the other end of the clamping column is provided with a clamping second inclined surface (203 b), and a spring plate (203 c) is arranged on the circumferential surface of the clamping column, the clamping column (203) is arranged in the clamping moving groove (202 d), and the clamping first inclined surface (203 a) is arranged in the sliding hole (202 a);
a stretching insulating rod (102 a) is arranged on a switch of the circuit breaker mechanism (102), a downward pressing cylinder (102 a-1) is arranged on the stretching insulating rod (102 a), and the downward pressing cylinder (102 a-1) is inserted into the cylinder hole (101 e-1).
2. The integrated upper disconnecting circuit breaker according to claim 1, wherein: the isolating switch (103) comprises an isolating chain wheel (103 a), an isolating connecting rod (103 b) and an isolating flange plate (103 c), the isolating connecting rod (103 b) is in key connection with the isolating chain wheel (103 a), one side of the isolating flange plate (103 c) is connected with the isolating connecting rod (103 b), and the other side of the isolating flange plate (103 c) is connected with the isolating groove (101 b);
the isolating switch (103) further comprises an isolating lead screw (103 d) and an isolating contact (103 e), the isolating lead screw (103 d) is inserted into the isolating flange plate (103 c) to be connected with the isolating connecting rod (103 b), and the isolating contact (103 e) is connected with the isolating lead screw (103 d) through a lead screw.
3. The integrated upper disconnecting circuit breaker according to claim 2, wherein: an isolation static contact (101 b-1) is arranged in the isolation groove (101 b), an isolation connecting groove (101 b-11) is arranged in the isolation static contact (101 b-1), and an isolation sliding bump (101 b-12) is arranged in the isolation connecting groove (101 b-11);
an isolation sliding groove (103 e-3) is formed in the isolation contact (103 e), the isolation contact (103 e) is inserted into the isolation connecting groove (101 b-11), and the isolation sliding bump (101 b-12) is arranged in the isolation sliding groove (103 e-3).
4. The integrated upper disconnecting circuit breaker according to claim 3, wherein: the grounding switch (104) comprises a grounding chain wheel (104 a), a grounding connecting rod (104 b) and a grounding flange plate (104 c), the grounding connecting rod (104 b) is connected with the grounding chain wheel (104 a) in a key mode, one side of the grounding flange plate (104 c) is connected with the grounding connecting rod (104 b), and the other side of the grounding flange plate (104 c) is connected with the grounding groove (101 c);
the grounding switch (104) further comprises a grounding lead screw (104 d) and a grounding contact (104 e), the grounding lead screw (104 d) is inserted into the grounding flange plate (104 c) in a penetrating mode and connected with the grounding connecting rod (104 b), and the grounding contact (104 e) is connected with the grounding lead screw (104 d).
5. The integrated upper disconnecting circuit breaker according to claim 4, wherein: a grounding fixed contact (101 c-1) is arranged in the grounding groove (101 c), a grounding connecting groove (101 c-11) is arranged on the grounding fixed contact (101 c-1), and a grounding sliding block (101 c-12) is arranged in the grounding connecting groove (101 c-11);
the grounding contact (104 e) is provided with a grounding sliding groove (104 e-1), the grounding contact (104 e) is inserted into the grounding connecting groove (101 c-11), and the grounding sliding block (101 c-12) is arranged in the grounding sliding groove (104 e-1).
6. The integrated upper disconnecting circuit breaker according to claim 5, wherein: the isolating contact (103 e) is further provided with a round angle column (103 e-1), and the round angle column (103 e-1) is provided with an isolating limiting groove (103 e-2).
CN202210432757.2A 2022-04-24 2022-04-24 Isolation breaker switch on integral type Active CN114530345B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210432757.2A CN114530345B (en) 2022-04-24 2022-04-24 Isolation breaker switch on integral type

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210432757.2A CN114530345B (en) 2022-04-24 2022-04-24 Isolation breaker switch on integral type

Publications (2)

Publication Number Publication Date
CN114530345A CN114530345A (en) 2022-05-24
CN114530345B true CN114530345B (en) 2022-09-02

Family

ID=81627793

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210432757.2A Active CN114530345B (en) 2022-04-24 2022-04-24 Isolation breaker switch on integral type

Country Status (1)

Country Link
CN (1) CN114530345B (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101178989B (en) * 2006-11-08 2010-10-27 西安维能电气有限公司 Longitudinal rotary type function composite type vacuum isolation circuit breakers
CN102280832B (en) * 2011-08-19 2014-05-28 北京清畅电力技术股份有限公司 Box-type fixed high-voltage switch cabinet
CN204884993U (en) * 2015-08-11 2015-12-16 华电高科(北京)电气有限公司 Novel high -voltage switch
CN107731619A (en) * 2017-11-14 2018-02-23 宁波天安智能电网科技股份有限公司 A kind of High aititude indoor HVAC combined vacuum breaker

Also Published As

Publication number Publication date
CN114530345A (en) 2022-05-24

Similar Documents

Publication Publication Date Title
WO2018090548A1 (en) Double-break isolated switch module
US9953780B2 (en) Embedded-pole HV electrical apparatus combination switchgear
WO2018090549A1 (en) Ultra-high-voltage power line disconnector
KR101026842B1 (en) disconnecting switch
US7902478B2 (en) Switching chamber for a gas-insulated high-voltage switch
CN1645697A (en) Isolator/circuit-breaker device for electric substations
CN102683100B (en) Serial connection structure of high-voltage vacuum arc extinguish chambers
CN114530345B (en) Isolation breaker switch on integral type
CN110739177A (en) integration isolation vacuum circuit breaker
KR101904882B1 (en) Switching mechanism for gas insulated switchgear
CN204303730U (en) The structure of contact terminal of air-break and contact system
CN103683083B (en) A kind of isolation earthing switch
CN112038156B (en) Double-fracture isolating switch and high-voltage line connecting structure
CN203747291U (en) Isolation grounding switch
CN115512997A (en) Double-break isolating switch for GIS and use method thereof
CN211150462U (en) Structure for connecting electric operating mechanism and main shaft of circuit breaker
US3869192A (en) Circuit breaker with pre-loaded terminal connectors
CN210073695U (en) A isolator and cubical switchboard for cubical switchboard
CN114664592A (en) Double-break isolating switch for expansion without power failure
CN101425421A (en) Arc-suppressing load switch
CN217009039U (en) Single-phase three-position switch equipment
CN105118721B (en) Microswitch and its installation method
US3830994A (en) Double break high voltage disconnect switch
CN218215116U (en) GIS is with two break isolator
CN220821387U (en) Isolation switch

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant