CN107146722A - Anti-misoperation ring main unit - Google Patents
Anti-misoperation ring main unit Download PDFInfo
- Publication number
- CN107146722A CN107146722A CN201710287939.4A CN201710287939A CN107146722A CN 107146722 A CN107146722 A CN 107146722A CN 201710287939 A CN201710287939 A CN 201710287939A CN 107146722 A CN107146722 A CN 107146722A
- Authority
- CN
- China
- Prior art keywords
- cam
- main unit
- load switch
- ring main
- switch
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/22—Interlocking, locking, or latching mechanisms for interlocking between casing, cover, or protective shutter and mechanism for operating contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches
Abstract
The invention discloses a kind of anti-misoperation ring main unit, including earthed switch, the on-load switch below the earthed switch, wherein, the ring main unit also includes：Interlocking gear for realizing door linkage under the earthed switch, the on-load switch disconnecting link, ring main unit；The present invention realizes on-load switch, earthed switch and the combined operation of Xiamen by the cooperation of isolation switch operation panel, cam, link assembly and the inserted link, jack structure of the interlocking gear.The present invention is by setting the combined floodgate or separating brake that a handle hole is achievable on-load switch and earthed switch, it is simple to operate, avoid simultaneously when on-load switch is in closing position, human factor opens the lower door-plate of ring main unit, so as to avoid personnel from can contact powered position, prevent the generation of personnel's electric shock accidents, and cost is low, is easily installed and dismantles.
Description
Technical field
The present invention relates to switchgear technical field, a kind of anti-misoperation ring main unit is specifically related to.
Background technology
Ring main unit is that one group of high-tension switch gear is mounted in steel sheet metal cabinet or made assembled compartment ring network power supply list
The electrical equipment of member, on-load switch and earthed switch are the main element of ring main unit, are widely used in ring main unit, on-load switch
In major loop, for disjunction rated current and short circuit current flow is closed, earthed switch is used for the reliable ground of major loop, load
The maloperation harm switched with earthed switch is very big, easily causes the short trouble of supply line, destroys electric power system stability,
And the personal safety to maintainer constitutes harm, in addition, in the prior art, when ring main unit load switch is in closing position
When, human factor can open the door-plate of cable vault, and personnel can contact powered position, be easily caused personnel's electric shock accidents hair
It is raw.
The content of the invention
In order to solve problem above, the present invention provides following technical scheme：
A kind of anti-misoperation ring main unit, including earthed switch, the on-load switch below the earthed switch, wherein,
The ring main unit also includes：Chain machine for realizing door linkage under the earthed switch, the on-load switch disconnecting link, ring main unit
Structure；
The interlocking gear includes
Fixed plate；
Load switch operation plate, is installed in rotation in the fixed plate, its one end and the disconnecting link of the on-load switch
Movably connect, the load switch operation plate drives the load to open when being turned an angle (α) relative to the fixed plate
Close disconnecting link point or close；
Cam, setting and another angle (β) that staggers each other are rotated coaxially with the load switch operation plate, described convex
Combined operation portion is formed between wheel and the load switch operation plate, the cam is suitable to rotating another angle (β)
The load switch operation plate is driven to rotate by the combined operation portion afterwards；
Link assembly, including pull bar, linkage board, connecting rod, the pull bar are horizontally disposed with the fixed plate, and it first
End is movably connected with the cam, and the second end rotates with the first end of the linkage board and is connected, and the connecting rod is perpendicular to described
Fixed plate, its first end is rotated with the second end of the linkage board and is connected, and the second end rotates with the earthed switch disconnecting link and is connected,
When the cam is rotated in the range of another angle (β), the pull bar drives under the promotion or pulling of the cam
Dynamic connecting rod action is described to connect described in the cam rotation during another angle (β) to control the disconnecting link of the earthed switch to close or divide
After the disconnecting link of ground switch is separately acted in place, the cam is disengaged with the pull bar；
Inserted link, the inserted link is fixedly connected with the first end of the connecting rod；
Jack, the jack is fixed on the top of ring main unit Xiamen, and the inserted link can be inserted into jack structure.
Further, the interlocking gear also includes setting with the cam linkage driving the manual of the cam rotation
Lever.
Further, the on-load switch is fanning strip.
Further, the linkage board, in inverted " L " type, it includes vertical connecting lever and anyhow connecting lever, described to turn vertically
Arm is rotated with the end of pull bar second and is connected, and the connecting lever anyhow is rotated with the connecting rod first end and is connected, described to turn vertically
The junction of arm and the connecting lever anyhow, which is fixed, to be hinged in the fixed plate.
Further, the α is 90o, and the β is 45o.
Further, the combined operation portion includes being molded over stirring raised and being molded over described for the cam one end
On load switch operation plate and with it is described stir male cooperation stir stopper.
Beneficial effect：A kind of anti-misoperation ring main unit provided in the present invention, passes through the isolation switch of the interlocking gear
On-load switch, earthed switch and the linkage of Xiamen are realized in operation panel, cam, link assembly and inserted link, the cooperation of jack structure
Operation.It is simple to operate by setting the combined floodgate or separating brake that a handle hole is achievable on-load switch and earthed switch, keep away simultaneously
Exempt from when on-load switch is in closing position, human factor opens the lower door-plate of ring main unit, so as to avoid personnel from can contact
Powered position, prevents the generation of personnel's electric shock accidents, and cost is low, is easily installed and dismantles.
Brief description of the drawings
Fig. 1 lays down structural representation behind the door for a kind of anti-misoperation ring main unit that the present invention is provided；
A kind of structural representation of the interlocking gear for anti-misoperation ring main unit that Fig. 2 provides for the present invention.
Embodiment
With reference to embodiment, the present invention will be further described, but the present invention is not limited to following examples.
As shown in Figure 1, 2, the invention provides a kind of anti-misoperation ring main unit, including earthed switch 16, connect located at described
The on-load switch of the lower section of ground switch 16, ring main unit Xiamen 20, wherein, the ring main unit also includes：For realizing that the ground connection is opened
Close 16, the on-load switch disconnecting link, the interlocking gear 10 of the linkage of ring main unit Xiamen 20；The interlocking gear 10 includes fixed plate
18；Load switch operation plate 17, is installed in rotation in the fixed plate 18, and the disconnecting link of its one end and the on-load switch can
Connect dynamicly, the load switch operation plate 17 drives the load when being turned an angle (α) relative to the fixed plate 18
Switch tool point is closed；Cam 11, setting and another angle of staggering each other are rotated coaxially with the load switch operation plate 17
Spend (β), combined operation portion is formed between the cam 11 and the load switch operation plate 17, the cam 11 is suitable to turning
The load switch operation plate 17 is driven to rotate by the combined operation portion after dynamic another angle (β)；The component of connecting rod 15,
Including pull bar 12, linkage board 13, connecting rod 15, the pull bar 12 is horizontally disposed with the fixed plate 18, its first end and institute
State cam 11 movably to connect, the second end rotates with the first end of the linkage board 13 and is connected, and the connecting rod 15 is perpendicular to described
Fixed plate 18, its first end is rotated with the second end of the linkage board 13 and is connected, and the second end turns with the disconnecting link of earthed switch 16
Dynamic connection, when the cam 11 is rotated in the range of another angle (β), the pushing away in the cam 11 of pull bar 12
The lower drive link 15 of dynamic or pulling is acted to control the disconnecting link of the earthed switch 16 to close or divide, and the cam 11 rotates described another
During one angle (β), after the disconnecting link of the earthed switch 16 is separately acted in place, the cam 11 departs from the pull bar 12 to be connect
Touch；Inserted link 14, the inserted link 14 is fixedly connected with the first end of the connecting rod 15；Jack 19, the jack 19 is fixed on looped network
The top of cabinet Xiamen 20, the inserted link 14 can be inserted into the structure of jack 19.
The setting of the interlocking gear 10 realizes the on-load switch, the earthed switch 16, the ring main unit Xiamen
20 combined operation, solving the on-load switch and earthed switch 16 of ring main unit of the prior art has mechanical interlocking but does not link
The problem of, the operation to the on-load switch and earthed switch 16 is simplified, while ensure that only when earthed switch 16 is being closed
After conjunction, ring main unit Xiamen 20 could be opened, it is to avoid when switch is in combined floodgate, human factor opens the door-plate of cable vault, so that
Avoid personnel from can contact powered position, prevent the generation of personnel's electric shock accidents.
Preferably, the certain angle α is 90 °, and another angle beta is 45 °, and selectively, the certain angle α can
To be set to other angles, such as 70 °, 80 ° or 100 °, another angle beta it can also be provided that other angles, such as 40 °,
50 ° or 60 ° etc..
In the present embodiment, in order to further improve to the on-load switch, the earthed switch 16, ring main unit Xiamen
20 operating efficiency, the interlocking gear 10, which also includes linking with the cam 11, to be set to drive the hand that the cam 11 is rotated
Dynamic lever (not shown), the end of the manually operated handle is square, is inserted into the form of gap coordinates described convex
Take turns the square groove 111 with the matching ends of the manually operated handle of 11 surface formings.The manually operated handle with it is described convex
The fixed form of wheel 11 can also use other alternative modes.
Further, the on-load switch is fanning strip.
Further, the linkage board 13, in inverted " L " type, it includes vertical connecting lever 131 and anyhow connecting lever 132, institute
State vertical connecting lever 131 to be connected with the end of pull bar 12 second rotation, the connecting lever anyhow 132 turns with the first end of connecting rod 15
The junction of dynamic connection, the vertical connecting lever 131 and the connecting lever anyhow 132, which is fixed, to be hinged in the fixed plate 18.
Further, the combined operation portion includes being molded over stirring raised and being molded over institute for the one end of cam 11
State on load switch operation plate 17 and with it is described stir male cooperation stir stopper.
Closing operation：
As shown in figure 1, the cam 11 is in rotation front position (at the manually operated handle in fig. 2 B location at), institute
State earthed switch 16 and be in closure state (at the earthed switch 16 in fig. 2 A ' positions at), rotate clockwise it is described manually
Operation handle, the cam 11 is rotated clockwise together, and the cam 11 is rotated clockwise during 45 °, and the cam 11 is pushed away
Move the pull bar 12 compound motion that moves right and rotate counterclockwise, the pull bar 12 away from the cam 11 one
End is movably articulated on the vertical connecting lever of the linkage board 13, and the pull bar 12 promotes the linkage board 13 around institute by the end
The junction for stating vertical connecting lever and the connecting lever anyhow is rotated, and the connecting lever anyhow rotates down the promotion connecting rod 15 clockwise
Move down, the connecting rod 15 drives the inserted link 14 to move downward, when the cam 11 rotates 45 °, the band of connecting rod 15
The disconnecting link for moving the earthed switch 16 separates (disconnecting link of earthed switch 16 is in B ' positions), and the inserted link 14 inserts jack 19
In, ring main unit Xiamen 20 can not be opened.
Continue to rotate clockwise the manually operated handle, the cam 11 is rotated clockwise to depart from the pull bar 12 and connect
Touch, the cam 11 continues along rotating clockwise, and the projection of stirring of the cam 11 promotes the load switch operation plate
Stopper is stirred described on 17, the load switch operation plate 17 drives the direction that the disconnecting link of the on-load switch is closed along disconnecting link
Motion, when the cam 11 rotates described 90 °, (the manually operated handle is in A to the disconnecting link closure of the on-load switch
Put), now the earthed switch 16 is still in disconnecting link separated position (disconnecting link of earthed switch 16 is in B ' positions).
Sub-switching operation：
The Manual operation handle is rotated counterclockwise, the cam 11 is rotated counterclockwise together, the Manual operation handle inverse time
When pin rotates 90 °, the cam 11 stirs raised the described of the pulling load switch operation plate 17 and stirs stopper, drives described
Load switch operation plate 17 rotates counterclockwise 90 °, and now the disconnecting link of the on-load switch is separated, the disconnecting link of the earthed switch 16
Still it is in separated position (disconnecting link of earthed switch 16 is in B ' positions).
Continue to rotate counterclockwise the Manual operation handle, the described of the cam 11 stirs the raised and on-load switch
Stopper is stirred described in switch operation plate to disengage, the cam 11 contacts connection with the pull bar 12, turn when counterclockwise
During 45 ° of the dynamic Manual operation handle, the cam 11 is reset to combined floodgate and rotates front position, and the pull bar 12 drives described
Dynamic plate 13 is rotated counterclockwise, and the connecting lever anyhow of the linkage board 13 drives the connecting rod 15 to move up, and the connecting rod 15 drives
The inserted link 14 is moved upwards, and the connecting rod 15 drives the disconnecting link of the earthed switch 16 to close the (disconnecting link of earthed switch 16
It is in A ' positions), now the disconnecting link of the on-load switch is in separated position (the manually operated handle is in B location), described
In the insertion jack 19 of inserted link 14, ring main unit Xiamen 20 can be opened.
Further, the inserted link 14 can move up and down about 20mm.
Specific case used herein is set forth to the principle and embodiment of the present invention, and above example is said
It is bright to be only intended to help the device and its core concept that understand the present invention；Simultaneously for those of ordinary skill in the art, foundation
The thought of the present invention, will change, in summary, this specification content is not in specific embodiments and applications
It is interpreted as limitation of the present invention.
Claims (6)
1. a kind of anti-misoperation ring main unit, including earthed switch, the on-load switch below the earthed switch, wherein, institute
Stating ring main unit also includes：Chain machine for realizing door linkage under the earthed switch, the on-load switch disconnecting link, ring main unit
Structure；
The interlocking gear includes
Fixed plate；
Load switch operation plate, is installed in rotation in the fixed plate, and its one end and the disconnecting link of the on-load switch are movable
Ground is connected, and the load switch operation plate drives the on-load switch knife when being turned an angle (α) relative to the fixed plate
Lock point is closed；
Cam, with the load switch operation plate rotate coaxially setting and another angle (β) that staggers each other, the cam with
Combined operation portion is formed between the load switch operation plate, the cam is suitable to afterwards lead in rotation another angle (β)
Crossing the combined operation portion drives the load switch operation plate to rotate；
Link assembly, including pull bar, linkage board, connecting rod, the pull bar and the fixed plate are horizontally disposed with, its first end with
The cam is movably connected, and the second end rotates with the first end of the linkage board and is connected, and the connecting rod is perpendicular to the fixation
Plate, its first end is rotated with the second end of the linkage board and is connected, and the second end rotates with the earthed switch disconnecting link and is connected, and works as institute
When stating cam and being rotated in the range of another angle (β), pull bar company of driving under the promotion or pulling of the cam
Bar action is to control the disconnecting link of the earthed switch to close or divide, and described in the cam rotation during another angle (β), the ground connection is opened
After the disconnecting link of pass is separately acted in place, the cam is disengaged with the pull bar；
Inserted link, the inserted link is fixedly connected with the first end of the connecting rod；
Jack, the jack is fixed on the top of ring main unit Xiamen, and the inserted link can be inserted into jack structure.
2. anti-misoperation ring main unit as claimed in claim 1, wherein, the interlocking gear also includes setting with the cam linkage
Put to drive the manually operated handle of the cam rotation.
3. anti-misoperation ring main unit as claimed in claim 1, wherein, the on-load switch is fanning strip.
4. anti-misoperation ring main unit as claimed in claim 1, wherein, the linkage board, in inverted " L " type, it includes perpendicular
Straight connecting lever and anyhow connecting lever, the vertical connecting lever are rotated with the end of pull bar second and are connected, the connecting lever anyhow and the company
Bar first end rotates connection, and the junction fixation of the vertical connecting lever and the connecting lever anyhow is hinged in the fixed plate.
5. anti-misoperation ring main unit as claimed in claim 1, wherein, the α is 90 °, and the β is 45 °.
6. anti-misoperation ring main unit as claimed in claim 1, wherein, the combined operation portion includes being molded over the cam one
End stir it is raised and be molded on the load switch operation plate and with it is described stir male cooperation stir stopper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710287939.4A CN107146722A (en) | 2017-04-27 | 2017-04-27 | Anti-misoperation ring main unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710287939.4A CN107146722A (en) | 2017-04-27 | 2017-04-27 | Anti-misoperation ring main unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107146722A true CN107146722A (en) | 2017-09-08 |
Family
ID=59775426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710287939.4A Pending CN107146722A (en) | 2017-04-27 | 2017-04-27 | Anti-misoperation ring main unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107146722A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111834138A (en) * | 2020-08-07 | 2020-10-27 | 四川大学华西医院 | Emergency stop button of escalator |
-
2017
- 2017-04-27 CN CN201710287939.4A patent/CN107146722A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111834138A (en) * | 2020-08-07 | 2020-10-27 | 四川大学华西医院 | Emergency stop button of escalator |
| CN111834138B (en) * | 2020-08-07 | 2022-05-24 | 四川大学华西医院 | Emergency stop button of escalator |
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