CN206259278U - A kind of ground connection closure switch blocking device for ring main unit interconnector - Google Patents
A kind of ground connection closure switch blocking device for ring main unit interconnector Download PDFInfo
- Publication number
- CN206259278U CN206259278U CN201621432756.4U CN201621432756U CN206259278U CN 206259278 U CN206259278 U CN 206259278U CN 201621432756 U CN201621432756 U CN 201621432756U CN 206259278 U CN206259278 U CN 206259278U
- Authority
- CN
- China
- Prior art keywords
- switch
- main unit
- ring main
- travel switch
- electromagnetic lock
- 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
Links
- 230000000903 blocking effect Effects 0.000 title claims abstract description 16
- 239000013307 optical fiber Substances 0.000 claims description 8
- 238000005096 rolling process Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000010977 unit operation Methods 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model discloses a kind of ground connection closure switch blocking device for ring main unit interconnector, including the first travel switch；The grounding switch of the side of ring main unit interconnector first clashes into the contact of the first travel switch, the first stroke switch motion output short-circuit signal to electromagnetism lock control circuit when closing；Input connects the first travel switch, output end and connects the control end of the first electromagnetic lock, control after short-circuit signal the first electromagnetic lock and lock for receiving, and receives the electromagnetism lock control circuit for controlling the first electromagnetic lock to open after break signal；It is arranged at the first electromagnetic lock whether at the switch baffle plate of the line switching of the side of ring main unit interconnector second, line switching for controlling the second side switch baffle plate moves；Power supply.The utility model is when the grounding switch of the side of ring main unit interconnector first is closed, it is to avoid the line switching closure of the side of ring main unit interconnector second, reduces the situation of line closure switch with ground, and it is safe that ring main unit is operated.
Description
Technical field
The utility model is related to electric misoperation control technology field, more particularly to a kind of to be used for ring main unit interconnector
Ground connection closure switch blocking device.
Background technology
In electric grid operating, line closure switch with ground are not allowed, and can trigger serious operating accident.And it is current
In 10kV ring main units, the circuit of interconnector both sides is provided with grounding switch and line switching, and current blocking function is only
For the grounding switch and line switching of the same side, the even grounding switch of interconnector side is closed, then the line of the same side
Way switch can locking.
But, when the grounding switch of interconnector side is closed, the line switching in opposite side circuit can still be closed,
If the now line switching closure of opposite side, that is, belong to line closure switch with ground, the life security of entail dangers to staff, therefore
Security is poor.Shown in Figure 1, Fig. 1 is ring main unit interconnector schematic diagram.
Therefore, how to provide a kind of safe ground connection closure switch blocking device for ring main unit interconnector is
Those skilled in the art need the problem for solving at present.
Utility model content
The purpose of this utility model is to provide a kind of ground connection closure switch blocking device for ring main unit interconnector, when
When the grounding switch of the side of ring main unit interconnector first is closed, it is to avoid the line switching closure of the side of ring main unit interconnector second,
The situation of line closure switch with ground is reduced, it is safe that ring main unit is operated.
In order to solve the above technical problems, the utility model provides a kind of ground connection closure for ring main unit interconnector opening
Locking device is closed, including：
It is arranged at the first travel switch of the side of ring main unit interconnector first；
The grounding switch of the side of ring main unit interconnector first clashes into the contact of first travel switch, institute when closing
State the first stroke switch motion output short-circuit signal to electromagnetism lock control circuit, the ground connection of the side of ring main unit interconnector first
When disconnecting link is not closed, first travel switch is failure to actuate and exports break signal to the electromagnetism lock control circuit；
Input connects first travel switch, output end and connects the control end of the first electromagnetic lock, described for receiving
Control first electromagnetic lock to lock after short-circuit signal, receive the institute for controlling first electromagnetic lock to open after the break signal
State electromagnetism lock control circuit；
Be arranged at it is at the switch baffle plate of the line switching of the side of ring main unit interconnector second, for controlling described
First electromagnetic lock whether the switch baffle plate of the line switching of two sides moves；
The power supply being connected with the electromagnetism lock control circuit and first electromagnetic lock respectively.
Preferably, also include：
It is arranged at the second travel switch of the side of ring main unit interconnector second；
Be arranged at it is at the switch baffle plate of the line switching of the side of ring main unit interconnector first, for controlling described
The second electromagnetic lock whether the switch baffle plate of the line switching of side moves；
The input of the electromagnetism lock control circuit is connected with second travel switch, the electromagnetism lock control circuit
Output end connects the control end of second electromagnetic lock；
The power supply is connected with the power end of second electromagnetic lock.
Preferably, first travel switch is specially rolling wheel type travel switch with second travel switch.
Preferably, the electromagnetism lock control circuit includes：
It is that input is connected by optical fiber with the travel switch, for the output signal of the travel switch to be converted to
The switching value change-over circuit of switching value；
Input by optical fiber be connected with the output end of the switching value change-over circuit, for according to the switching value control
Make the electromagnetic lock locking or the digital output modul circuit opened.
Preferably, the electromagnetic lock is specially 12V direct current magnetic padlocks.
Preferably, the power supply is specially 12V dc sources.
The utility model provides a kind of ground connection closure switch blocking device for ring main unit interconnector, including first
The electricity of travel switch, electromagnetism lock control circuit, the switch baffle plate of line switching for controlling the side of ring main unit interconnector second
Magnetic padlock and power supply.When the grounding switch for controlling the first side of ring main unit interconnector is closed, can clash into the first travel switch makes
To electromagnetism lock control circuit, electromagnetism lock control circuit controls electromagnetic lock locking to its output short-circuit signal after receiving short-circuit signal,
Now the switch baffle plate of the line switching of the side of ring main unit interconnector second is irremovable；Due in real work, line switching
Want to need moving switch baffle plate, the plug-in strip ability insertion operation handle closed circuit switch of line switching if closure, therefore work as
When switch baffle plate is irremovable, the line switching of the side of ring main unit interconnector second is in blocking, so as to avoid as far as possible
The situation of interconnector outlet line closure switch with ground, improves the security of ring main unit operation.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme in the utility model embodiment, below will be to prior art and embodiment
Needed for the accompanying drawing to be used be briefly described, it should be apparent that, drawings in the following description are only of the present utility model
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other accompanying drawings.
Fig. 1 is ring main unit interconnector schematic diagram；
A kind of knot of ground connection closure switch blocking device for ring main unit interconnector that Fig. 2 is provided for the utility model
Structure schematic diagram；
A kind of structural representation of electromagnetism lock control circuit that Fig. 3 is provided for the utility model.
Specific embodiment
Core of the present utility model is to provide a kind of ground connection closure switch blocking device for ring main unit interconnector, when
When the grounding switch of the side of ring main unit interconnector first is closed, it is to avoid the line switching closure of the side of ring main unit interconnector second,
The situation of line closure switch with ground is reduced, it is safe that ring main unit is operated.
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, is clearly and completely described, it is clear that retouched to the technical scheme in the utility model embodiment
The embodiment stated is a part of embodiment of the utility model, rather than whole embodiments.Based on the implementation in the utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made is belonged to
The scope of the utility model protection.
The utility model provides a kind of ground connection closure switch blocking device for ring main unit interconnector, referring to Fig. 2
It is shown, a kind of structure of ground connection closure switch blocking device for ring main unit interconnector that Fig. 2 is provided for the utility model
Schematic diagram；The device includes：
It is arranged at the first travel switch 1 of the side of ring main unit interconnector first；
The grounding switch of the side of ring main unit interconnector first clashes into the contact of the first travel switch 1, the first stroke when closing
Switch 1 acts output short-circuit signal to electromagnetism lock control circuit 2, and the grounding switch of the side of ring main unit interconnector first is not closed
When, the first travel switch 1 is failure to actuate and exports break signal to electromagnetism lock control circuit 2；
Input connect the first travel switch 1, output end connect the first electromagnetic lock 3 control end, for receiving short-circuit letter
Control the first electromagnetic lock 3 to lock after number, receive the electromagnetism lock control circuit 2 for controlling the first electromagnetic lock 3 to open after break signal；
It is arranged at line at the switch baffle plate of the line switching of the side of ring main unit interconnector second, for controlling the second side
The first electromagnetic lock 3 whether the switch baffle plate of way switch moves；
The power supply 4 being connected with the electromagnetic lock 3 of electromagnetism lock control circuit 2 and first respectively.
Wherein, the which side for ring main unit interconnector in practical application not being limited here is the first side, and the first stroke is opened
Closing 1 can be arranged on any side.Certainly, in order that grounding switch can clash into touching for the first travel switch 1 in closure
Head is, it is necessary to make the first travel switch 1 close enough with the position of grounding switch and under normal circumstances and not in contact with and as far as possible
The situation of false touch is avoided to occur.
In addition, ring main unit here can be 10kV ring main units, certainly, the utility model is not construed as limiting to this.
Preferably, the device also includes：
It is arranged at the second travel switch 5 of the side of ring main unit interconnector second；
It is arranged at line at the switch baffle plate of the line switching of the side of ring main unit interconnector first, for controlling the first side
The second electromagnetic lock 6 whether the switch baffle plate of way switch moves；
The input of electromagnetism lock control circuit 2 is connected with the second travel switch 5, and the output end of electromagnetism lock control circuit 2 connects
Connect the control end of the second electromagnetic lock 6；
Power supply 4 is connected with the end of power supply 4 of the second electromagnetic lock 6.
It is understood that only setting travel switch in the side of ring main unit interconnector, half can be normally only avoided
Line closure switch with ground possibility, and be respectively provided with travel switch and electromagnetic lock then in the both sides of ring main unit interconnector
Substantially the situation of line closure switch with ground can completely be avoided the occurrence of.Certainly, preferred scheme is these are only, if in practical application
The situation of the grounding switch closure of the side of interconnector second is few, then can be not provided with the second travel switch 5 and the second electromagnetic lock 6.
Preferably, the first travel switch 1 and the second travel switch 5 are specially rolling wheel type travel switch.
It is understood that rolling wheel type travel switch has self-recovering function, and when corresponding grounding switch disconnects, roller
The contact of formula travel switch can restPose automatically with contact, and without artificial recovery, convenience is good.
Preferably, electromagnetism lock control circuit 2 here includes：
It is that input is connected by optical fiber with travel switch, for the output signal of travel switch to be converted into switching value
Switching value change-over circuit；
Input by optical fiber be connected with the output end of switching value change-over circuit, for foundation digital output modul electromagnetic lock
Locking or the digital output modul circuit opened.
In addition, can not also use Optical Fiber Transmission here, the utility model is not limited this.
It is shown in Figure 3, a kind of structural representation of electromagnetism lock control circuit that Fig. 3 is provided for the utility model.Wherein,
In switching value change-over circuit and digital output modul circuit be used for receive and dispatch Optical Fiber Transmission signal part specially HFBR2412
Chip, certainly, the utility model is not limited this.
In addition, electromagnetic lock is specially 12V direct current magnetic padlocks.The material of electromagnetic lock is hot dip Zinc material, and hot dip Zinc material is prevented
Rotten effect is good and easy to process, low cost, and certainly, the utility model does not limit the material of electromagnetic lock.
Corresponding, power supply 4 is specially 12V dc sources.Here dc source can be battery.
It is understood that the suction of 12V direct current magnetic padlocks enough latch switch baffle plates, and small power consumption.Certainly,
This can be not construed as limiting using the power supply 4 and other kinds of electromagnetic lock of other sizes, the utility model.
In addition, device of the present utility model may also include the shell for encapsulating electromagnetism lock control circuit 2, it is to avoid electromagnetic lock
The problems such as control circuit 2 often touches caused loose contact in the course of the work.Here shell can use PP-R plastics
Material, certainly, the utility model is not construed as limiting to this.
The utility model provides a kind of ground connection closure switch blocking device for ring main unit interconnector, including first
The electricity of travel switch, electromagnetism lock control circuit, the switch baffle plate of line switching for controlling the side of ring main unit interconnector second
Magnetic padlock and power supply.When the grounding switch for controlling the first side of ring main unit interconnector is closed, can clash into the first travel switch makes
To electromagnetism lock control circuit, electromagnetism lock control circuit controls electromagnetic lock locking to its output short-circuit signal after receiving short-circuit signal,
Now the switch baffle plate of the line switching of the side of ring main unit interconnector second is irremovable；Due in real work, line switching
Want to need moving switch baffle plate, the plug-in strip ability insertion operation handle closed circuit switch of line switching if closure, therefore work as
When switch baffle plate is irremovable, the line switching of the side of ring main unit interconnector second is in blocking, so as to avoid as far as possible
The situation of interconnector outlet line closure switch with ground, improves the security of ring main unit operation.
Each embodiment is described by the way of progressive in this specification, and what each embodiment was stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.For device disclosed in embodiment
For, because it is corresponded to the method disclosed in Example, so description is fairly simple, related part is said referring to method part
It is bright.
Also, it should be noted that in this manual, such as first and second or the like relational terms be used merely to by
One entity or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or operation
Between there is any this actual relation or order.And, term " including ", "comprising" or its any other variant meaning
Covering including for nonexcludability, so that process, method, article or equipment including a series of key elements not only include that
A little key elements, but also other key elements including being not expressly set out, or also include for this process, method, article or
The intrinsic key element of equipment.In the absence of more restrictions, the key element limited by sentence "including a ...", does not arrange
Except also there is other identical element in the process including the key element, method, article or equipment.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or new using this practicality
Type.Various modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can in other embodiments be realized in the case where spirit or scope of the present utility model are not departed from.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (6)
1. a kind of ground connection closure switch blocking device for ring main unit interconnector, it is characterised in that including：
It is arranged at the first travel switch of the side of ring main unit interconnector first；
The grounding switch of the side of ring main unit interconnector first clashes into the contact of first travel switch when closing, and described the
One stroke switch motion output short-circuit signal is to electromagnetism lock control circuit, the grounding switch of the side of ring main unit interconnector first
When not closed, first travel switch is failure to actuate and exports break signal to the electromagnetism lock control circuit；
Input connect first travel switch, output end connect the control end of the first electromagnetic lock, for receiving the short circuit
Control first electromagnetic lock to lock after signal, receive the electricity for controlling first electromagnetic lock to open after the break signal
Magnetic lock control circuit；
Be arranged at it is at the switch baffle plate of the line switching of the side of ring main unit interconnector second, for controlling second side
Line switching first electromagnetic lock that whether moves of switch baffle plate；
The power supply being connected with the electromagnetism lock control circuit and first electromagnetic lock respectively.
2. device according to claim 1, it is characterised in that also include：
It is arranged at the second travel switch of the side of ring main unit interconnector second；
Be arranged at it is at the switch baffle plate of the line switching of the side of ring main unit interconnector first, for controlling first side
Line switching the second electromagnetic lock for whether moving of switch baffle plate；
The input of the electromagnetism lock control circuit is connected with second travel switch, the output of the electromagnetism lock control circuit
The control end of end connection second electromagnetic lock；
The power supply is connected with the power end of second electromagnetic lock.
3. device according to claim 2, it is characterised in that first travel switch has with second travel switch
Body is rolling wheel type travel switch.
4. the device according to claim any one of 1-3, it is characterised in that the electromagnetism lock control circuit includes：
It is that input is connected by optical fiber with the travel switch, for the output signal of the travel switch to be converted into switch
The switching value change-over circuit of amount；
Input by optical fiber be connected with the output end of the switching value change-over circuit, for according to the digital output modul institute
State electromagnetic lock locking or the digital output modul circuit opened.
5. device according to claim 4, it is characterised in that the electromagnetic lock is specially 12V direct current magnetic padlocks.
6. device according to claim 5, it is characterised in that the power supply is specially 12V dc sources.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621432756.4U CN206259278U (en) | 2016-12-23 | 2016-12-23 | A kind of ground connection closure switch blocking device for ring main unit interconnector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621432756.4U CN206259278U (en) | 2016-12-23 | 2016-12-23 | A kind of ground connection closure switch blocking device for ring main unit interconnector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206259278U true CN206259278U (en) | 2017-06-16 |
Family
ID=59030616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621432756.4U Active CN206259278U (en) | 2016-12-23 | 2016-12-23 | A kind of ground connection closure switch blocking device for ring main unit interconnector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206259278U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106783287A (en) * | 2016-12-23 | 2017-05-31 | 国网浙江杭州市富阳区供电公司 | A kind of ground connection closure switch blocking device for ring main unit interconnector |
-
2016
- 2016-12-23 CN CN201621432756.4U patent/CN206259278U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106783287A (en) * | 2016-12-23 | 2017-05-31 | 国网浙江杭州市富阳区供电公司 | A kind of ground connection closure switch blocking device for ring main unit interconnector |
| CN106783287B (en) * | 2016-12-23 | 2019-07-30 | 国网浙江杭州市富阳区供电公司 | A kind of ground connection closure switch blocking device for ring network cabinet interconnector |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205140809U (en) | Handcart -type cubical switchboard locking circuit | |
| CN206259278U (en) | A kind of ground connection closure switch blocking device for ring main unit interconnector | |
| CN206271072U (en) | A kind of access control system | |
| CN206292902U (en) | A kind of multi-door interlock system | |
| CN106783287A (en) | A kind of ground connection closure switch blocking device for ring main unit interconnector | |
| CN209626728U (en) | Sliding door structure on a kind of outdoor low voltage distribute-electricity transformer district | |
| CN105281421A (en) | Dynamo-electric integrated locking automatic control device | |
| CN205911229U (en) | Vacuum circuit breaker blocking device | |
| CN204030310U (en) | A kind of power distribution cabinet with passive electromagnetic lock | |
| CN204098638U (en) | A kind of remote control security lock being applied to intelligent JP cabinet | |
| CN206602360U (en) | A kind of device for realizing electrical interlocks switching | |
| CN207938480U (en) | A kind of passive blocking device of 10kV open lockings incoming line cabinet | |
| CN106786099A (en) | IPanel low-voltage distribution cabinet drawer units prevent unexpected separating brake/combined floodgate system | |
| CN208257244U (en) | The protection exclusive circuit and low-voltage distribution cabinet of electrically operated institution | |
| CN208835834U (en) | The two-way switching device of continous way low pressure and mining continous way low pressure two-way contact switch | |
| CN203720898U (en) | Switching circuit control system of protective cabin door | |
| CN203588872U (en) | Electricity testing locking device | |
| CN206022904U (en) | A kind of JP cabinets inlet wire switch anti-misoperation device | |
| CN204680907U (en) | A kind of transformer station five unlocking prevention key management device | |
| CN207009367U (en) | A kind of control outlet loop circuit of VSP5 line feed terminals | |
| CN205178633U (en) | Mechatronic automatic control device that locks | |
| CN206894114U (en) | IPanel low-voltage distribution cabinet drawer units prevent unexpected separating brake/combined floodgate system | |
| CN201017197Y (en) | Water or electric intelligent control device | |
| CN205004982U (en) | Prevent misuse's energy -conserving condensate pump operation control system | |
| CN204991535U (en) | Possesses secondary equipment screen of preventing mistake function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |