CN206340463U - Electric major loop cut-offs isolating closing lock system - Google Patents
Electric major loop cut-offs isolating closing lock system Download PDFInfo
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- CN206340463U CN206340463U CN201621090344.7U CN201621090344U CN206340463U CN 206340463 U CN206340463 U CN 206340463U CN 201621090344 U CN201621090344 U CN 201621090344U CN 206340463 U CN206340463 U CN 206340463U
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- casing
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- earthing
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Abstract
The utility model is related to a kind of electric major loop and cut-offs isolating closing lock system, including isolation casing, and with the breaker for isolating casing connection, the isolation casing includes：Casing and the isolating device being arranged on casing, earthing or grounding means, outlet pile crown, are arranged on the moving contact in casing, conductive soft connection component and runner assembly, and set the isolation auxiliary contact and ground connection auxiliary contact of outside the enclosure.Above-mentioned electric major loop cut-offs isolating closing lock system, isolating device and earthing or grounding means share same moving contact, whenever can only realize that isolating device is connected or earthing or grounding means is connected, so as to simply and easily realize interlocking, and, when isolating device is closed a floodgate or earthing or grounding means is grounded, the folding with breaker, which is closed a floodgate, realizes linkage.The simple system and reliability.
Description
Technical field
The utility model is related to mesohigh power transmission and distribution and field of electrical control, more particularly to a kind of electric major loop
Cut-off isolating closing lock system.
Background technology
To solve the electric insulation gap hidden danger of vacuum switch or insulating gas switch itself, and electrical body storage energy essence
The problem of quasi- release, power industry way general at present is exactly：Can in vacuum circuit breaker or the front end increase of insulating gas switch
Depending on disconnecting switch or equipment and load device side increase earthing or grounding means.The control process of switching, electric loop in equipment
In, isolating device, break-up device and earthing or grounding means must effectively coordinate, and entanglement or error are not allow in program, otherwise
Cause the accidents such as short circuit, moment arcing and blast.
In putting equipment in service, transmission process, to prevent ground short circuit, earthing or grounding means does not allow to close a floodgate, while isolating device
Because not possessing breaking capacity, on-load divide-shut brake is not allowed, therefore operation under Light Condition can only be disconnected in loop.Combined floodgate power transmission
General procedure is：1. maintenance door is closed；2. earthing or grounding means separating brake；3. isolating device is closed a floodgate；4. release unit closes a floodgate.Separating brake breaks
The program contrast of electricity：1. release unit separating brake；2. isolating device separating brake；3. earthing or grounding means closes a floodgate；4. maintenance door is opened.
Each part is extremely important in equipment division brake system, but Comparatively speaking, isolating device is with earthing or grounding means because of it
Performance and function, are acted on particularly critical.Isolating device and earthing or grounding means are two pieces separate components, in order to realize between them, and it
Program interlocking between release unit, current way is to install many set mechanical interlocks additional between them mostly,
For the reliability of safety, while installing many set electric interlocking installations additional.
The program that this way is solved from principle and in logic between isolating device, earthing or grounding means and release unit is mutual
Lock problem, but there is the unreliable problem of interlock installed additional.Mechanical interlocks is because of the complexity of its structure, each mechanism part
Part is very fragile, after a period of time, and part is easily broken off, the easy failure of mechanism.Can be more on electric interlocking installation surface
The defect of mechanical interlocks is mended, but electric interlocking installation is easily by outside electromagnetic interference, and installation's power source is under-voltage or dead electricity
In the case of, electric interlocking installation just directly fails.
Utility model content
Based on this, it is necessary to provide a kind of simple in construction and reliable electrically major loop and cut-off isolating closing lock system.
A kind of electric major loop cut-offs isolating closing lock system, including：Isolate casing, with the open circuit for isolating casing connection
Device；
The isolation casing includes：Casing and the isolating device being arranged on casing, earthing or grounding means, outlet pile crown, are set
Moving contact in casing, conductive soft connection component and runner assembly, and the isolation auxiliary contact of outside the enclosure are set
With ground connection auxiliary contact；
The isolating device includes：One end is located in casing, inlet wire pile crown of the other end outside casing, with the inlet wire
Pile crown is located at the inlet wire contact of one end connection in casing；
The earthing or grounding means includes：One end is located in the casing, Earth pile-head of the other end outside the casing, with
The Earth pile-head is located at the grounding contact of one end connection in casing；
One end of the outlet pile crown is arranged in casing, and the other end sets outside the enclosure and is connected with the breaker；
The hardness that the soft connection component has soft connecting portion and is connected respectively with the soft connecting portion two ends connects
Socket part；The rigid connection portion being connected with described soft connecting portion one end is connected with the moving contact, with the soft connection
The rigid connection portion of portion's other end connection is located at one end in the casing with the outlet pile crown and is connected；The soft company
Socket part is fixed on the runner assembly, the runner assembly drive the soft connection component to rotate in the presence of external force with
The movable contact is set to be connected with the inlet wire contact or the grounding contact；
When the moving contact is connected with the inlet wire contact, the closing circuit of the breaker is touched with the auxiliary of isolating
Point connection；When the moving contact is connected with the grounding contact, the sub-gate circuit of the breaker is touched with the ground connection auxiliary
Point connection.
In wherein one embodiment, the soft connecting portion is copper cash；The rigid connection portion is metallic plate.
In wherein one embodiment, the runner assembly includes rotating disk and drive rod；The rotating disk is fixed on the case
In vivo, the drive rod is connected with the rotating disk, and the drive rod drives the rotating disk to rotate in the presence of external force；It is described soft
Property connecting portion is fixed on the rotating disk.
In wherein one embodiment, the isolation casing also includes the limit spring and salient point being arranged in casing, institute
Stating limit spring includes spring body and the first end being connected with the spring body and the second end；The of the limit spring
One end is fixed in the casing, and second end is connected with the moving contact；The position of the salient point and the earthing contact
Or the position correspondence of inlet wire contact, when under external force, when the movable contact is with the earthing contact or inlet wire contact portion,
Second end of the limit spring is stuck on the salient point.
In wherein one embodiment, the limit spring is torsionspring.
In wherein one embodiment, one end that the inlet wire pile crown, Earth pile-head and outlet pile crown are located at outside casing is set
It is equipped with insulating barrier.
In wherein one embodiment, the one end of the inlet wire pile crown outside casing is described to connect as power inleting terminal
One end that ground pile crown is located at outside casing is used as earth terminal.
Above-mentioned electric major loop cut-offs isolating closing lock system, and isolating device and earthing or grounding means share same moving contact,
The inlet wire contact of moving contact and isolating device or grounding contact with earthing or grounding means are realized by software connecting portion and rotating mechanism
Connection, whenever can only realize isolating device connect or earthing or grounding means connect so that simply and easily realize interlocking, and
And, when isolating device is closed a floodgate or earthing or grounding means is grounded, the folding with breaker, which is closed a floodgate, realizes linkage, realizes the combined floodgate of breaker
Power transmission and the control of separating brake power-off.The simple system, may replace original numerous and diverse mechanical interlocking and electric-linked system, improve
The security and reliability of equipment operation action, while reducing the cost of equipment.
Brief description of the drawings
Fig. 1 cut-offs the structural representation of isolating closing lock system for the electric major loop of one embodiment；
Fig. 2 cut-offs the electrical control locking principle figure of isolating closing lock system for the electric major loop of one embodiment.
Embodiment
As shown in figure 1, a kind of electric major loop cut-offs isolating closing lock system, including isolate casing 20, with isolating casing 20
The breaker 10 of connection.
Isolation casing 20 includes：Casing 21 and the isolating device 11 being arranged on casing, earthing or grounding means 13, outlet pile crown
12nd, the moving contact 15 in casing, conductive soft connection component 17 and runner assembly 19 are arranged on, and outside the enclosure is set
Isolate auxiliary contact 311 and ground connection auxiliary contact 312.
Isolating device 11 includes：One end is located in casing, inlet wire pile crown 110 and lead-in pile of the other end outside casing
Head is located at the inlet wire contact 111 of one end connection in casing.
Earthing or grounding means 13 includes：One end is located in casing 20, Earth pile-head 131 of the other end outside casing 20, with connecing
Ground pile crown 131 is located at the grounding contact 132 of one end connection in casing.
One end of outlet pile crown 12 is arranged in casing 20, and the other end is arranged on outside casing 20 and is connected with breaker 10.
The hardness that soft connection component 17 has soft connecting portion 172 and is connected respectively with the soft two ends of connecting portion 172 connects
Socket part 171；The rigid connection portion 171 being connected with software connecting portion one end is connected with moving contact 15, with the soft connecting portion other end
The rigid connection portion 171 of connection is located at one end in casing 20 with outlet pile crown 12 and is connected；Soft connecting portion 172 is fixed on rotation
On component, runner assembly 19 drives soft connection component 17 to rotate so that movable contact in the presence of external force in the presence of external force
15 are connected with inlet wire contact 111 or grounding contact 132.
As shown in Fig. 2 when moving contact 15 is connected with inlet wire contact 111, the closing circuit of breaker is touched with isolating auxiliary
Point 311 is connected；When moving contact 15 and grounding contact, which connect 132, to be connect, sub-gate circuit and the ground connection auxiliary contact 312 of breaker connect
Connect.
Specifically, casing is formed using 304 thick stainless steel sealing weldings of 2.5mm.Isolating device 11 and earthing or grounding means 13
It is oppositely arranged, for example, isolating device is arranged on the top of casing 20, earthing or grounding means 13 is arranged on the lower section of casing 20.Isolation dress
Put 11 and earthing or grounding means 13 mutual locking it is as follows：
Runner assembly 19 is rotated counterclockwise under external force, drives soft connecting portion 17 and moving contact 15 to move to down
Side, moving contact 15 and the inlet wire contact 111 of isolating device 11 disconnect, now, isolating device separating brake, moving contact and earthing or grounding means 13
Grounding contact 132 contact connection, now, earthing or grounding means 13 is grounded.Runner assembly 19 is rotated clockwise under external force, band
Move soft connecting portion 17 and moving contact 15 and move to top, the grounding contact 132 of moving contact 15 and earthing or grounding means 13 disconnects, with every
Inlet wire contact 111 from device 11 contacts connection, and now, isolating device 11 is closed.Isolating device 11 and earthing or grounding means 13 are shared
Same moving contact 15, by software connecting portion 17 and rotating mechanism 19 realize moving contact and isolating device 11 inlet wire contact or
With the connection of the grounding contact 132 of earthing or grounding means 13, whenever can only realize that isolating device is connected or earthing or grounding means is connected, from
And simply and easily realize interlocking.
When isolating device is closed a floodgate or earthing or grounding means is grounded, the folding with breaker, which is closed a floodgate, realizes linkage.Specifically, when dynamic
When contact 15 is connected with inlet wire contact 111, isolating device is closed a floodgate, and isolation auxiliary contact 311 are closed, and the combined floodgate for opening breaker is opened
411 are closed, the closing circuit of breaker is connected.When moving contact 15 is connected with grounding contact 132, earthing or grounding means ground connection is grounded auxiliary
Help contact 312 to close, open the separating brake switch 412 of breaker, brake division loop of circuit breaker is connected.Specifically, isolation auxiliary contact
311 open one with ground connection auxiliary contact 312 respectively one closes two pairs of contacts, and the combined floodgate control of breaker is respectively connected to by controlling cable
Loop processed and separating brake control loop.Therefore, when needing combined floodgate power transmission, rotating runner assembly 19 makes moving contact 15 and earthing or grounding means
13 grounding contact 132 is disconnected, and connection is contacted with the inlet wire contact 111 of isolating device 11, now, and isolation auxiliary contact 311 are closed
Close, open the closing switch 311 of breaker, the closing circuit of breaker is connected, and power supply connects power transmission with equipment.Soft connecting portion
Can be conductive, after power on, sent by outlet pile crown 12, soft connecting portion 17, moving contact 111 and outlet pile crown connectivity device
Electricity.
When needing separating brake to power off, the separating brake switch of operating breaker, equipment has a power failure, disconnected with power supply, rotates rotating group
Part 19 disconnects moving contact 15 and the inlet wire contact 111 of isolating device 11, the company of contact of grounding contact 132 with earthing or grounding means 13
Connect, be effectively isolated breaker and machine utilization.
Above-mentioned electric major loop cut-offs isolating closing lock system, and isolating device and earthing or grounding means share same moving contact,
The inlet wire contact of moving contact and isolating device or grounding contact with earthing or grounding means are realized by software connecting portion and rotating mechanism
Connection, whenever can only realize isolating device connect or earthing or grounding means connect so that simply and easily realize interlocking, and
And, when isolating device is closed a floodgate or earthing or grounding means is grounded, the folding with breaker, which is closed a floodgate, realizes linkage, realizes the combined floodgate of breaker
Power transmission and the control of separating brake power-off.The simple system, may replace original numerous and diverse mechanical interlocking and electric-linked system, improve
The security and reliability of equipment operation action, while reducing the cost of equipment.
In another embodiment, soft connecting portion 172 is copper cash；Rigid connection portion 171 is metallic plate.One hardness is even
Socket part 171 is fixedly connected with outlet pile crown 12, and another rigid connection portion 171 is rotated under the drive of runner assembly 19, soft
Connecting portion 172 has certain elastic force, and the rotation for rigid connection portion 171 and moving contact 15 provides tension force.
Soft connecting portion 172 is fixed on runner assembly 19, and runner assembly 19 includes rotating disk and drive rod (not shown), is turned
Disk is fixed in casing, and drive rod is connected with rotating disk, and drive rod drives rotating disk to rotate in the presence of external force.Soft connecting portion
172 are wrapped on rotating disk.When rotating disk is rotated, soft connecting portion 172 is driven to rotate, soft connecting portion band moving contact 15 is rotated.
Wherein, one end of drive rod is connected with rotating disk, in casing 20, and the other end is located at outside casing, is easy to operating personnel to operate.
In another embodiment, isolation casing 20 also includes the limit spring being arranged in casing and salient point (is schemed not
Show), limit spring includes spring body and the first end being connected with spring body and the second end；The first end of limit spring is consolidated
It is scheduled in casing, the second end is connected with moving contact；The position of salient point is corresponding with the position of earthing contact or inlet wire contact, when outside
Under power effect, when movable contact 15 is connected with earthing contact 132 or inlet wire contact 111, the second end of limit spring is stuck on salient point.
Exemplified by corresponding with the position of earthing contact by the position of salient point, the first end of limit spring is fixed in casing, no
Movably, the second end is connected with movable contact 15.When moving contact 15 is contacted with the inlet wire contact 111 of isolating device 11, limit spring exists
Original state, is not deformed upon, and in the presence of limit spring, movable contact will not be influenceed and be rotated by gravity.When outside
Power is pulled in the presence of drive rod, when moving contact 15 and the inlet wire contact 111 of isolating device 11 disconnect, the second end of limit spring
Under the pulling of moving contact 15, limit spring produces elastic deformation, when the grounding contact 132 of moving contact 15 and earthing or grounding means 13 connects
When touching, the second end of limit spring is acted to the correspondence position of salient point, and the second end of limit spring is stuck in salient point, so that fixed limit
Second end of position spring, so that movable contact 15 be fixed, will not be influenceed and be rotated by gravity.Specifically, limit spring is torsion
Turn spring.
In another embodiment, inlet wire pile crown 110, Earth pile-head 131 and outlet pile crown 12 are located at one outside casing 20
End is provided with insulating barrier, and energization staff can be avoided to contact casing and get an electric shock.
Above-mentioned electric major loop cut-offs isolating closing lock system, is isolating device, earthing or grounding means and the station one of breaker three
The blocking device of body, makes earthing or grounding means and isolating device share a movable contact, is grounded dress by using runner assembly
The program interlocking put and be before isolating device, by isolation casing connection breaker, realizes the linkage with release unit, this is
The simple in construction and safe operation of system.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses several embodiments of the present utility model, and it describes more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent scope.It should be pointed out that for the common skill of this area
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
Protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (7)
1. a kind of electric major loop cut-offs isolating closing lock system, it is characterised in that including：Isolate casing, isolate casing with described
The breaker of connection；
The isolation casing includes：Casing and the isolating device being arranged on casing, earthing or grounding means, outlet pile crown, are arranged on case
Internal moving contact, conductive soft connection component and runner assembly, and the isolation auxiliary contact of outside the enclosure are set and connect
Ground auxiliary contact；
The isolating device includes：One end is located in casing, inlet wire pile crown of the other end outside casing, with the inlet wire pile crown
The inlet wire contact of one end connection in casing；
The earthing or grounding means includes：One end is located in the casing, the other end is located at Earth pile-head outside the casing, and described
Earth pile-head is located at the grounding contact of one end connection in casing；
One end of the outlet pile crown is arranged in casing, and the other end sets outside the enclosure and is connected with the breaker；
The soft connection component has soft connecting portion and the rigid connection portion being connected respectively with the soft connecting portion two ends；
The rigid connection portion being connected with described soft connecting portion one end is connected with the moving contact, another with the soft connecting portion
The rigid connection portion and the outlet pile crown for holding connection are located at one end in the casing and are connected；The soft connecting portion is consolidated
It is scheduled on the runner assembly, the runner assembly drives the soft connection component to rotate so that described in the presence of external force
Movable contact is connected with the inlet wire contact or the grounding contact；
When the moving contact is connected with the inlet wire contact, the closing circuit of the breaker connects with the auxiliary contact of isolating
Connect；When the moving contact is connected with the grounding contact, the sub-gate circuit of the breaker connects with the ground connection auxiliary contact
Connect.
2. electric major loop according to claim 1 cut-offs isolating closing lock system, it is characterised in that the soft connecting portion
For copper cash；The rigid connection portion is metallic plate.
3. electric major loop according to claim 1 cut-offs isolating closing lock system, it is characterised in that the runner assembly bag
Include rotating disk and drive rod；The rotating disk is fixed in the casing, and the drive rod is connected with the rotating disk, and the drive rod exists
The rotating disk is driven to rotate in the presence of external force；The soft connecting portion is fixed on the rotating disk.
4. electric major loop according to claim 1 cut-offs isolating closing lock system, it is characterised in that the isolation casing is also
Including the limit spring being arranged in casing and salient point, the limit spring includes spring body and connected with the spring body
The first end connect and the second end；The first end of the limit spring is fixed in the casing, and second end is touched with described move
Head connection；The position of the salient point is corresponding with the position of the earthing contact or inlet wire contact, when under external force, described dynamic
When contact is with the earthing contact or inlet wire contact portion, the second end of the limit spring is stuck on the salient point.
5. electric major loop according to claim 4 cut-offs isolating closing lock system, it is characterised in that the limit spring is
Torsionspring.
6. electric major loop according to claim 1 cut-offs isolating closing lock system, it is characterised in that the inlet wire pile crown,
One end that Earth pile-head and outlet pile crown are located at outside casing is provided with insulating barrier.
7. electric major loop according to claim 1 cut-offs isolating closing lock system, it is characterised in that the inlet wire pile crown position
In one end outside casing as power inleting terminal, one end that the Earth pile-head is located at outside casing is used as earth terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621090344.7U CN206340463U (en) | 2016-09-28 | 2016-09-28 | Electric major loop cut-offs isolating closing lock system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621090344.7U CN206340463U (en) | 2016-09-28 | 2016-09-28 | Electric major loop cut-offs isolating closing lock system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206340463U true CN206340463U (en) | 2017-07-18 |
Family
ID=59298802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621090344.7U Active CN206340463U (en) | 2016-09-28 | 2016-09-28 | Electric major loop cut-offs isolating closing lock system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206340463U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108320923A (en) * | 2018-02-27 | 2018-07-24 | 北京京人电器有限公司 | Switching device |
-
2016
- 2016-09-28 CN CN201621090344.7U patent/CN206340463U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108320923A (en) * | 2018-02-27 | 2018-07-24 | 北京京人电器有限公司 | Switching device |
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