CN208256566U - A kind of electrical cabinet three-station structure - Google Patents
A kind of electrical cabinet three-station structure Download PDFInfo
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- CN208256566U CN208256566U CN201820942870.4U CN201820942870U CN208256566U CN 208256566 U CN208256566 U CN 208256566U CN 201820942870 U CN201820942870 U CN 201820942870U CN 208256566 U CN208256566 U CN 208256566U
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- static contact
- bus
- station
- strip
- isolation
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Abstract
The utility model relates to a kind of electrical cabinet three-station structures.Electrical cabinet three-station structure includes the three-station of cabinet body and setting on the cabinet, three-station includes isolation static contact, grounding static contact and rotation plug-in strip, rotate plug-in strip have in rotational travel ground connection station be connected to grounding static contact, be isolated conducting station that static contact is connected to and with grounding static contact and the isolation station that static contact simultaneously switches off is isolated, cabinet body is equipped with bus, the isolation static contact is arranged on the bus, and the plate face of the bus is perpendicular to the pivot center for rotating plug-in strip.The plate face of bus is vertical with the rotation pivot center of plug-in strip, the integral strength after ensure that bus installation, rotation plug-in strip with that the bending that generates when static contact contacts be isolated is smaller, avoid that static contact deviation home position is isolated, guarantee the normal work of three-station.
Description
Technical field
The utility model relates to a kind of electrical cabinet three-station structures.
Background technique
Three-station is common switch element in electrical cabinet, common three-station include grounding static contact, every
From static contact and rotation plug-in strip, isolation static contact is connected to the bus in electrical cabinet, and the cabinet body of grounding static contact and electrical cabinet connects
It passes to and is grounded, rotation plug-in strip is connected to outlet side bus, and rotation plug-in strip has in the stroke of rotation and grounding static contact
The ground connection station of connection, with the conducting station that static contact connection is isolated and with grounding static contact and static contact be isolated simultaneously switch off
Isolation station.
Authorization Notice No. is CN202602159U, and authorized announcement date is that the Chinese utility model patent of 2012.12.12 discloses
A kind of three station intelligence isolating switch cabinets of six-component force balance, which includes gas tank
(i.e. cabinet body) and it is arranged in the intracorporal three-station of cabinet, three-station includes switch touching head assembly (i.e. isolation stationary contact
Head), earthing switch contact assembly (i.e. grounding static contact), rotation plug-in strip and bus, bus is horizontally disposed, and isolation static contact is fixed
On bus.
When in use, bus is plate structure, the horizontal cloth of the plate face of bus to three above-mentioned station intelligence isolating switch cabinets
The pivot center of rotation plug-in strip is set and is parallel to, rotation plug-in strip is contacted with isolation static contact so that three stations in the course of rotation
Switch is on station.However, to ensure that the quick response of three-station, fast speed of the rotation plug-in strip in rotation,
Simultaneously in order to guarantee good turn-on effect, rotation plug-in strip with have very big active force when static contact combined floodgate is isolated, and bus
Plate face it is parallel with the rotation pivot center of plug-in strip, the flexibility of bus is larger and bending can be generated in stress, causes rotating
Plug-in strip with isolation static contact after static contact separating brake is isolated can generate bending and deviate from home position, influence three-station
It works normally.
Utility model content
The purpose of this utility model is to provide a kind of electrical cabinet three-station structure, to solve in the prior art three
The problem of isolation static contact of position switch deviates home position, influences the normal work of three-station.
In order to solve the above-mentioned technical problem, the technical solution of the electrical cabinet of the utility model three-station structure are as follows:
Electrical cabinet three-station structure, the three-station including cabinet body and setting on the cabinet, three-station
Including isolation static contact, grounding static contact and rotation plug-in strip, rotation plug-in strip has in rotational travel to be connected to grounding static contact
Ground connection station, with the conducting station that static contact connection is isolated and with grounding static contact and be isolated that static contact simultaneously switches off every
From station, cabinet body is equipped with bus, and the isolation static contact is arranged on the bus, and the plate face of the bus is perpendicular to described
Rotate the pivot center of plug-in strip.
The beneficial effect of the technical solution is: the plate face of bus is vertical with the rotation pivot center of plug-in strip, ensure that mother
Integral strength after line installation, rotation plug-in strip with that the bending that generates when static contact contacts is isolated is smaller, avoid that static contact is isolated
Deviate home position, guarantees the normal work of three-station.
The bus includes two bus monomers being arranged side by side along the pivot center direction of rotation plug-in strip, and the isolation is quiet
Contact is connect simultaneously with two bus monomers.The fixing intensity of isolation static contact can be enhanced in two bus monomers.
There is interval between two bus monomers.There is interval between two bus monomers, two bus lists can be enhanced
Integral strength after the bodily form is integral.
The isolation static contact is arranged in the interval between two bus monomers and is clamped to two bus monomers
Between.The contact area between isolation static contact and two bus monomers is increased, guarantees the turn-on effect of electric current.
The rotation plug-in strip includes two spaced apart cutter hubs, is had between two cutter hubs for the appearance when cutter hub rotates
Receive isolation static contact and with the accommodation space that contacts of isolation static contact.The contact surface that two cutter hubs can increase and static contact is isolated
Product, and active force is applied to isolation stationary contact both sides of head, avoid isolation static contact from offseting to one side.
Bus tie is additionally provided on the cabinet body, the both ends of bus are fixedly connected with bus tie respectively.Bus connects
Connecing device can be enhanced the fixing intensity of bus, and bus is avoided to be bent.
The three-station further include the operating mechanism being arranged in outside cabinet body and setting cabinet it is intracorporal with rotation plug-in strip
The transmission mechanism of connection, the operating mechanism and transmission mechanism are connected at cabinet body by magnetic fluid seal.Magnet fluid sealing
The sealing effect of part is good, it is ensured that the sealing performance of cabinet body.
The transmission mechanism include the transmission shaft being connect with the magnetic fluid seal, the connecting lever being arranged on transmission shaft and
Both ends respectively with connecting lever and the hinged insulated pull rod of rotation plug-in strip.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment 1 of the electrical cabinet three-station structure of the utility model；
Fig. 2 is the side view of the embodiment 1 of the electrical cabinet three-station structure of the utility model；
Fig. 3 is the partial enlargement diagram of the embodiment 1 of the electrical cabinet three-station structure of the utility model.
It is respectively marked in figure: 1. operating mechanisms；2. magnetic fluid seal；3. bearing block；4. bearing；5. transmission shaft；6. connecting lever；
7. isolated insulation is sub；8. rotating plug-in strip；9. insulated pull rod；10. grounding static contact；11. static contact is isolated；12. bus；13. female
Wiring connector；14. cabinet body；15. axle sleeve.
Specific embodiment
The embodiments of the present invention is described further with reference to the accompanying drawing.
The embodiment 1 of the electrical cabinet of the utility model three-station structure, as shown in Figure 1 to Figure 3, including cabinet body
14, cabinet body 14 is equipped with three-station.The electrical cabinet is three-phase line, three stations with the transmission line of electricity of three-station structure
Switch includes each mutually corresponding operating mechanism with three-phase line, identical between the operating mechanism of each phase, is led herein
Introduce wherein single-phase specific structure.
Three-station includes that static contact 11, rotation plug-in strip 8 and the grounding static contact 10 being arranged on cabinet body 14 is isolated, and is connect
Ground static contact 10 is connect to keep being grounded with cabinet body 14, and rotation plug-in strip 8 is supported and fixed on cabinet body 14 by isolated insulation 7,
Rotate plug-in strip 8 have in its rotational travel ground connection station be connected to grounding static contact 10, be isolated what static contact 11 was connected to
Conducting station and with grounding static contact 10 and the isolation station that static contact 11 simultaneously switches off is isolated.
It is respectively equipped with bus tie 13 in the two side walls of cabinet body 14, is fixedly connected between two bus ties 13
Bus 12, bus 12 is horizontally disposed, and isolation static contact 11 is fixedly installed on bus；In other embodiments, it also can be omitted
Bus tie, bus are directly connect with the busbar of electrical cabinet.Bus 12 is plate structure, and the plate face of bus 12 is perpendicular to rotation
The pivot center of plug-in strip 8, isolation static contact 11 are fixed in the plate face of bus 12.
Bus 12 includes two bus monomers being arranged side by side along the pivot center direction of rotation plug-in strip 8, two bus lists
There is interval, isolation static contact 11 is clamped between two bus monomers, to enhance consolidating for isolation static contact 11 between body
Determine intensity and increases the contact area between isolation static contact 11 and bus；In other embodiments, bus can also only include
One bus monomer, isolation static contact are fixed in the plate face of bus monomer；Being isolated between static contact 11 and bus monomer can be with
It is bolted, can also be fixed by rivet.
Rotating plug-in strip 8 includes two spaced apart cutter hubs, is had between two cutter hubs for the receiving when cutter hub rotates
Isolation static contact 11 and grounding static contact 10 and the receiving contacted respectively with isolation static contact 11 and grounding static contact 10 sky
Between；In other embodiments, rotation plug-in strip can also only include a cutter hub.Two cutter hubs be isolated static contact 11 and ground connection
The two sides of static contact 10 contact respectively, can increase contact area, reduce contact resistance, at the same can to grounding static contact 10 with
And the two sides of isolation static contact 11 apply active force, and grounding static contact 10 and isolation static contact 11 is avoided to offset to one side.
Three-station further include the operating mechanism 1 in the outside of cabinet body 14 is set and be arranged on the inside of cabinet body 14 with rotation
The transmission mechanism that plug-in strip 8 connects.Operating mechanism 1 and transmission mechanism realize dynamic sealing by magnetic fluid seal 2 at cabinet body 14,
The side of magnetic fluid seal 2 is equipped with axle sleeve 15, and the inner hole of six sides is equipped in axle sleeve 15, and operating mechanism 1 has suitable with axle sleeve 15
The hexagonal output shaft matched, magnetic fluid seal 2 are sequentially connected by axle sleeve 15 and operating mechanism 1.
Transmission mechanism includes that the transmission shaft 5 of connection magnetic fluid seal 2, the connecting lever 6 being arranged on transmission shaft 5 and connection are turned
Arm 6 and the insulated pull rod 9 for rotating plug-in strip 8, the both ends of insulated pull rod 9 pass through pin shaft and connecting lever 6 respectively and rotation plug-in strip 8 is cut with scissors
It connects.The both ends of transmission shaft 5 are respectively assembled in bearing 4, and cabinet body 14 is equipped with bearing block 3, and bearing 4 is arranged on bearing block 3.
When in use with three-station structure, operating mechanism 1 passes through magnetic fluid seal 2 to the electrical cabinet of the utility model
Transmission shaft 5 is driven to rotate, transmission shaft 5 drives insulated pull rod 9 to move by connecting lever 6, to drive the rotation rotation of plug-in strip 8 to realize
With grounding static contact 10, the connection and disconnection of static contact 11 is isolated.Since the plate face of bus 12 is perpendicular to the rotation for rotating plug-in strip 8
Axis, the structural strength of bus 12 is high, ensure that the integral strength of bus, when rotating plug-in strip 8 with static contact 11 being isolated contacting
The bending of bus is smaller, avoids isolation static contact 11 from deviateing home position, guarantees the normal work of three-station.
The embodiment 2 of the electrical cabinet of the utility model three-station structure, the difference from embodiment 1 is that: implement
1 median generatrix of example includes two bus monomers, has interval between two bus monomers, and isolation static contact is clamped to two mothers
Between line monomer, in the present embodiment, isolation static contact is fixed on the side wall vertical with plate face of two bus monomers, and two
It can have interval between bus monomer, also can be omitted interval.
The embodiment 3 of the electrical cabinet of the utility model three-station structure, the difference from embodiment 1 is that: implement
1 median generatrix of example is horizontally disposed, and in the present embodiment, bus can also arrange that static contact is fixed on bus vertically.
Claims (8)
1. electrical cabinet three-station structure, the three-station including cabinet body and setting on the cabinet, three-station packet
Isolation static contact, grounding static contact and rotation plug-in strip are included, plug-in strip is rotated and has in rotational travel and be connected to grounding static contact
Ground connection station, be isolated conducting station that static contact is connected to and with grounding static contact and the isolation that static contact simultaneously switches off is isolated
Station, cabinet body are equipped with bus, and the isolation static contact is arranged on the bus, it is characterised in that: the plate face of the bus
Perpendicular to the pivot center of the rotation plug-in strip.
2. electrical cabinet according to claim 1 three-station structure, it is characterised in that: the bus includes two edges
The bus monomer that the pivot center direction of rotation plug-in strip is arranged side by side, the isolation static contact connect simultaneously with two bus monomers
It connects.
3. electrical cabinet according to claim 2 three-station structure, it is characterised in that: have between two bus monomers
There is interval.
4. electrical cabinet according to claim 3 three-station structure, it is characterised in that: the isolation static contact setting
In interval between two bus monomers and it is clamped between two bus monomers.
5. electrical cabinet according to claim 1-4 three-station structure, it is characterised in that: the rotation lock
Knife includes two spaced apart cutter hubs, have between two cutter hubs for accommodated when cutter hub rotates isolation static contact and with every
Accommodation space from static contact contact.
6. electrical cabinet according to claim 1-4 three-station structure, it is characterised in that: on the cabinet body
It is additionally provided with bus tie, the both ends of bus are fixedly connected with bus tie respectively.
7. electrical cabinet according to claim 1-4 three-station structure, it is characterised in that: three station
Switch further includes the operating mechanism being arranged in outside cabinet body and the intracorporal transmission mechanism connecting with rotation plug-in strip of cabinet is arranged in, described
Operating mechanism and transmission mechanism are connected at cabinet body by magnetic fluid seal.
8. electrical cabinet according to claim 7 three-station structure, it is characterised in that: the transmission mechanism include with
The transmission shaft of magnetic fluid seal connection, the connecting lever being arranged on transmission shaft and both ends respectively with connecting lever and rotation plug-in strip
Hinged insulated pull rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820942870.4U CN208256566U (en) | 2018-06-19 | 2018-06-19 | A kind of electrical cabinet three-station structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820942870.4U CN208256566U (en) | 2018-06-19 | 2018-06-19 | A kind of electrical cabinet three-station structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208256566U true CN208256566U (en) | 2018-12-18 |
Family
ID=64654376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820942870.4U Active CN208256566U (en) | 2018-06-19 | 2018-06-19 | A kind of electrical cabinet three-station structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208256566U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108922819A (en) * | 2018-06-19 | 2018-11-30 | 河南森源电气股份有限公司 | Electrical cabinet three-station structure |
-
2018
- 2018-06-19 CN CN201820942870.4U patent/CN208256566U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108922819A (en) * | 2018-06-19 | 2018-11-30 | 河南森源电气股份有限公司 | Electrical cabinet three-station structure |
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