CN107546050A - Opening and closing device and power network - Google Patents
Opening and closing device and power network Download PDFInfo
- Publication number
- CN107546050A CN107546050A CN201710906142.8A CN201710906142A CN107546050A CN 107546050 A CN107546050 A CN 107546050A CN 201710906142 A CN201710906142 A CN 201710906142A CN 107546050 A CN107546050 A CN 107546050A
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- Prior art keywords
- opening
- closing device
- switch
- shutter
- connection cables
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Abstract
The invention discloses a kind of opening and closing device and power network.Wherein, the opening and closing device includes：Shutter, wherein, shutter includes switch and grounding switch, wherein, grounding switch is connected to ground；First blocking device, it is connected with the switch in shutter, in the case of switching off in shutter, latch switch, so that the switch in shutter is not charged；Second blocking device, be connected with the first blocking device, and be connected with the grounding switch in shutter, for the connection cables in opening and closing device it is powered in the case of, locking grounding switch, so that the connection cables in opening and closing device are not charged.The present invention is solved because shutter does not have blocking device in correlation technique, and execute-in-place has the technical problem of the maloperation risk of charged co-grounding switch.
Description
Technical field
The present invention relates to technical field of electric power, in particular to a kind of opening and closing device and power network.
Background technology
In correlation technique, in distribution line, work about electric power personnel if it is desired to work of reaching the standard grade, it is necessary to by the opening and closing in power distribution network
The power supply of device is disconnected, and the grounding switch in power distribution network is closed, so that grounding switch is grounded, but in the related art,
Because power network development is looped network, it can be connected in distribution gauze by cable, now, if electric power occurs in closure grounding switch
The phenomenon of staff's live line work, is damaged to staff, even the cable tie between connecting valve and grounding switch
Electricity, then for operating personnel under conjunction during grounding switch, meeting is dangerous, causes maloperation.
For, because shutter does not have blocking device, execute-in-place has charged co-grounding switch in above-mentioned correlation technique
Maloperation risk technical problem, not yet propose effective solution at present.
The content of the invention
The embodiments of the invention provide a kind of opening and closing device and power network, at least to solve in correlation technique because shutter does not have
There is blocking device, execute-in-place has the technical problem of the maloperation risk of charged co-grounding switch.
One side according to embodiments of the present invention, there is provided a kind of opening and closing device, including：Shutter, wherein, it is described to open
Closing device includes switch and grounding switch, wherein, the grounding switch is connected to ground；In first blocking device, with the shutter
Switch connection, in the case of switching off in the shutter, switch described in locking, so that in the shutter
Switch it is not charged；Second blocking device, it is connected with first blocking device, and connects with the grounding switch in the shutter
Connect, for the connection cables in opening and closing device it is powered in the case of, grounding switch described in locking, so that in the opening and closing device
Connection cables it is not charged.
Further, the opening and closing device also includes：Instruction device, it is connected, uses with the connection cables of the opening and closing device
When detecting that the connection cables are powered, prompt message is sent, wherein, the prompt message is used to prompt to open described in user
The connection cables for closing device are powered.
Further, second blocking device includes：Baffle plate, it is connected with the end of the connection cables, for institute
State connection cables in opening and closing device it is powered in the case of, the baffle plate is closed, with grounding switch described in locking.
Further, the opening and closing device also includes：Judge module, for judging the connection cables in the opening and closing device
It is whether powered；Close module, be connected with the judge module, for the connection cables in the opening and closing device is judged without
In the case of electricity, the grounding switch is closed.
Further, each opening and closing device includes multiple switch, and the type of switch is including at least one following：Chang He
Switch, normally closed switch, earthed switch.
Further, first blocking device is mechanical locking device.
Further, second blocking device is electric locking device.
Another aspect according to embodiments of the present invention, additionally provide a kind of power network, including the opening and closing described in any of the above-described
Device.
Further, the type of power network includes at least one following：Single-ring network, dual-ring network.
Further, power network includes multiple opening and closing devices, and each opening and closing device is connected by connection cables.
In embodiments of the present invention, opening and closing device includes shutter 11, wherein, the shutter 11 includes 101 Hes of switch
Grounding switch 102, by the switch in the locking shutter of the first blocking device 13 switch of shutter can be made not charged, and
By the second blocking device 15 in locking grounding switch, so that the connection cables in opening and closing device are not charged.In this embodiment,
Opening and closing device can be locked by two blocking devices so that the switch of shutter is not charged, also causes opening and closing device simultaneously
Connection cables are not charged.Solve because shutter does not have blocking device in correlation technique, execute-in-place has powered splice grafting earthing knife-switch
The technical problem of the maloperation risk of lock, when reaching electric power maintenance, prevent the effect of hot line job.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, forms the part of the application, this hair
Bright schematic description and description is used to explain the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is a kind of structure chart of opening and closing device according to embodiments of the present invention；
Fig. 2 is the schematic diagram of the application scenarios of opening and closing device according to embodiments of the present invention.
Embodiment
In order that those skilled in the art more fully understand the present invention program, below in conjunction with the embodiment of the present invention
Accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under the premise of creative work is not made, it should all belong to the model that the present invention protects
Enclose.
It should be noted that term " first " in description and claims of this specification and above-mentioned accompanying drawing, "
Two " etc. be for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so use
Data can exchange in the appropriate case, so as to embodiments of the invention described herein can with except illustrating herein or
Order beyond those of description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that cover
Cover it is non-exclusive include, be not necessarily limited to for example, containing the process of series of steps or unit, method, system, product or equipment
Those steps or unit clearly listed, but may include not list clearly or for these processes, method, product
Or the intrinsic other steps of equipment or unit.
The present invention will be described to be more preferable, the part term or noun that are related in the embodiment of the present invention are made below as
Lower explanation：
Grounding switch, it is mounted to replace a kind of safe interlocking mechanism of ground wire in high-tension switch cabinet.Earthing gate
Structure is simple, easy to operate, is widely used in 66kV and above power distribution equipment bus bar side, breaker both sides, line disconnecting switch
Line side.Grounding switch is typically pulled open before (power transmission) putting into operation, is put into when stopping transport (maintenance).Grounding switch is in circuit
Closing a floodgate must first pull open before running.
Electric blocking, the action of one element of locking is interlocked using the principle of electric terminal, be exactly electric blocking, with it
Corresponding is mechanical latching, is exactly briefly to insure exactly using the principle of mechanical action come the action of one element of locking
The function of silk.
Shutter, high voltage power supply circuit is subjected to the electric power facility of circuit distribution electric power shutter.
Fig. 1 is a kind of structure chart of opening and closing device according to embodiments of the present invention, as shown in figure 1, the device includes：
Shutter 11, wherein, shutter includes switch 101 and grounding switch 102, wherein, grounding switch is connected to ground；
First blocking device 13, it is connected with the switch 101 in shutter 11, it is disconnected for the switch 101 in shutter 11
In the case of opening, latch switch, so that the switch 101 in shutter 11 is not charged；
Second blocking device 15, be connected with the first blocking device 13, and be connected with the grounding switch in shutter, for
In the case that connection cables in opening and closing device are powered, locking grounding switch, so that the connection cables in opening and closing device are not charged.
In the above-described embodiments, including shutter 11, wherein, the shutter 11 includes switch 101 and grounding switch 102,
The switch of shutter can be made not charged, and pass through the second locking by the switch in the locking shutter of the first blocking device 13
Device 15 is in locking grounding switch, so that the connection cables in opening and closing device are not charged.In this embodiment it is possible to pass through two
Blocking device, lock opening and closing device so that the switch of shutter is not charged, also simultaneously cause opening and closing device connection cables without
Electricity.Solve because shutter does not have blocking device in correlation technique, execute-in-place has the maloperation wind of charged co-grounding switch
The technical problem of danger, when reaching electric power maintenance, prevents the effect of hot line job.
Optionally, above-mentioned opening and closing device can realize multiple functions, include but is not limited to：Prevent on-load draw, close every
Leave pass；Prevent line with ground (earthed switch) from closing a floodgate；Prevent personnel's mistakenly entering charged chamber；Prevent mistake point, falsely close circuit breaker；It is anti-
Only live connection of ground wire (conjunction earthed switch) etc..
Wherein, opening and closing device also includes：Instruction device, it is connected with the connection cables of opening and closing device, in the company of detecting
During wiring cable tie electricity, prompt message is sent, wherein, prompt message is used to prompt the connection cables of user's opening and closing device powered.
Optionally, above-mentioned instruction device can be red green indicator lamp, when detecting that connection cables are powered, by sending
Red screen flash signal, to inform that the connection cables of user's now opening and closing device are powered, it now cannot manually close grounding switch.
For second blocking device of above-described embodiment, it can also include：Baffle plate, connect with the end of connection cables
Connect, for the connection cables in opening and closing device it is powered in the case of, closed baffle plate, with locking grounding switch.
It should be noted that opening and closing device also includes：Judge module, for whether judging the connection cables in opening and closing device
It is powered；Close module, be connected with judge module, for the connection cables in opening and closing device is judged it is uncharged in the case of,
Close grounding switch.
Wherein, each opening and closing device includes multiple switch, and the type of switch is including at least one following：Normal combination switch, often
Make and break pass, earthed switch.
Preferably, the first blocking device is mechanical locking device.By the mechanical locking device with it is each in shutter
Switch connection, with when switching off, locking switch.
Preferably, the second blocking device is electric locking device.Connection cables are passed through by gear by the electric locking device
Plate disconnects, and so as to ensure that connection cables are not charged when switching off, now, work about electric power personnel can close grounding switch,
To carry out related work.
Another aspect according to embodiments of the present invention, a kind of power network is additionally provided, include the opening and closing device of any of the above-described.
Wherein, the type of above-mentioned power network can include at least one following：Single-ring network, dual-ring network.
Optionally, above-mentioned Single-ring network can be the power network connected by connection cables, and the Single-ring network is a connecting line
The power network of cable connection, and dual-ring network is the power network connected by two connection cables.
Optionally, multiple opening and closing devices can be included in above-mentioned power network, each opening and closing device is connected by connection cables.
Fig. 2 is the schematic diagram of the application scenarios of opening and closing device according to embodiments of the present invention, as shown in Fig. 2 including：
Transformer station A, transformer station B, wherein, transformer station A by circuit A connection shutter A, wherein, shutter A include switch
1-3, switch 1-2, switch 1-4, the 1-4 that opens the light is normally closed switch；Transformer station B passes through circuit B connection shutter B, shutter B bags
Switch 2-3, switch 2-1, switch 2-2, switch 2-4 are included, wherein, switch 2-3 is normal combination switch, and shutter A and shutter B pass through
Connection cables connect.
The distribution shutter of novel dual blocking device, in the base of the mechanical latching of the former switch and grounding switch of shutter
On plinth, an electric blocking (corresponding the second above-mentioned blocking device) is added.Increased electric blocking, wherein, this is electrically closed
Lock can be arranged between the switch of shutter and connection cables, when connecting cable is powered, the earthing in locking shutter
The baffle plate of lock, now can not operational grounding disconnecting link, when switch in open position and not charged connecting cable when, can now operate
Grounding switch.In power distribution network in Single-ring network wiring and dual-ring network wiring in normal operation between the switch and grounding switch of normal off
The effective dual locking realized mechanically and electrically, eliminate during such switch operates at the scene and charged co-grounding switch occur
Possibility.The distribution shutter of novel dual blocking device requires to close the condition of grounding switch：First, switch is in open position；
2nd, connecting cable is not charged；The dual anti-error function for closing grounding switch is realized, effectively prevents the mistake of charged co-grounding switch from grasping
Make.
By above-described embodiment, dual blocking device can be utilized, the shutter in power network realizes on-load switch with connecing
The dual locking mechanically and electrically of ground disconnecting link, grounding switch and connecting cable, is effectively prevented in on-load switch disconnection
Under, the maloperation of powered closure grounding switch.
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
In the above embodiment of the present invention, the description to each embodiment all emphasizes particularly on different fields, and does not have in some embodiment
The part of detailed description, it may refer to the associated description of other embodiment.
In several embodiments provided herein, it should be understood that disclosed technology contents, others can be passed through
Mode is realized.Wherein, device embodiment described above is only schematical, such as the division of unit, can be one kind
Division of logic function, can there is an other dividing mode when actually realizing, such as multiple units or component can combine or can
To be integrated into another system, or some features can be ignored, or not perform.Another, shown or discussed is mutual
Coupling direct-coupling or communication connection can be by some interfaces, the INDIRECT COUPLING or communication connection of unit or module,
Can be electrical or other forms.
The unit illustrated as separating component can be or may not be physically separate, be shown as unit
Part can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple units
On.Some or all of unit therein can be selected to realize the purpose of this embodiment scheme according to the actual needs.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can also
That unit is individually physically present, can also two or more units it is integrated in a unit.Above-mentioned integrated list
Member can both be realized in the form of hardware, can also be realized in the form of SFU software functional unit.
If the integrated unit is realized in the form of SFU software functional unit and is used as independent production marketing or use
When, it can be stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially
The part to be contributed in other words to prior art or all or part of the technical scheme can be in the form of software products
Embody, the computer software product is stored in a storage medium, including some instructions are causing a computer
Equipment (can be personal computer, server or network equipment etc.) perform each embodiment methods described of the present invention whole or
Part steps.And foregoing storage medium includes：USB flash disk, read-only storage (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), mobile hard disk, magnetic disc or CD etc. are various can be with store program codes
Medium.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (10)
- A kind of 1. opening and closing device, it is characterised in that including：Shutter, wherein, the shutter includes switch and grounding switch, wherein, the grounding switch is connected to ground；First blocking device, it is connected with the switch in the shutter, for the situation about switching off in the shutter Under, switch described in locking, so that the switch in the shutter is not charged；Second blocking device, be connected with first blocking device, and be connected with the grounding switch in the shutter, for In the case that connection cables in opening and closing device are powered, grounding switch described in locking, so that the connecting line in the opening and closing device Cable is not charged.
- 2. opening and closing device according to claim 1, it is characterised in that the opening and closing device also includes：Instruction device, with institute The connection cables connection of opening and closing device is stated, for when detecting that the connection cables are powered, sending prompt message, wherein, institute Prompt message is stated to be used to prompt the connection cables of opening and closing device described in user powered.
- 3. opening and closing device according to claim 1, it is characterised in that second blocking device includes：Baffle plate, it is and described Connection cables end connection, for the connection cables in the opening and closing device it is powered in the case of, close the baffle plate, with Grounding switch described in locking.
- 4. opening and closing device according to claim 1, it is characterised in that the opening and closing device also includes：Judge module, for judging whether the connection cables in the opening and closing device are powered；Module is closed, is connected with the judge module, it is uncharged for the connection cables in the opening and closing device is judged In the case of, close the grounding switch.
- 5. opening and closing device according to claim 1, it is characterised in that each opening and closing device includes multiple switch, opens The type of pass includes at least one following：Normal combination switch, normally closed switch, earthed switch.
- 6. opening and closing device according to claim 1, it is characterised in that first blocking device is mechanical locking device.
- 7. opening and closing device according to claim 1, it is characterised in that second blocking device is electric locking device.
- 8. a kind of power network, including the opening and closing device any one of claim 1 to 7.
- 9. power network according to claim 8, it is characterised in that the type of power network includes at least one following：It is Single-ring network, double Looped network.
- 10. power network according to claim 8, it is characterised in that power network includes multiple opening and closing devices, each opening and closing Device is connected by connection cables.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710906142.8A CN107546050A (en) | 2017-09-28 | 2017-09-28 | Opening and closing device and power network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710906142.8A CN107546050A (en) | 2017-09-28 | 2017-09-28 | Opening and closing device and power network |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107546050A true CN107546050A (en) | 2018-01-05 |
Family
ID=60965056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710906142.8A Pending CN107546050A (en) | 2017-09-28 | 2017-09-28 | Opening and closing device and power network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107546050A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110956779A (en) * | 2019-12-12 | 2020-04-03 | 华润电力（宜昌）有限公司 | Safety warning method and device for switch cabinet and storage medium |
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| CN2281020Y (en) * | 1996-04-26 | 1998-05-06 | 日照电业局电器开关厂 | Novel electrical switch cabinet |
| CN202649796U (en) * | 2012-06-08 | 2013-01-02 | 商河县供电公司 | A line safety monitor blocking device |
| CN202930271U (en) * | 2012-03-22 | 2013-05-08 | 国家电网公司 | Switch cabinet earthing knife-switch blocking device |
| CN103594262A (en) * | 2013-11-29 | 2014-02-19 | 国家电网公司 | Control system and method for grounding knife switch of lines of switchgear |
| CN203644589U (en) * | 2013-12-20 | 2014-06-11 | 国家电网公司 | Switch lever locking device and switch cabinet |
| CN207068705U (en) * | 2017-08-16 | 2018-03-02 | 广东电网有限责任公司韶关供电局 | A kind of ring main unit grounding switch electric locking device |
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2017
- 2017-09-28 CN CN201710906142.8A patent/CN107546050A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2281020Y (en) * | 1996-04-26 | 1998-05-06 | 日照电业局电器开关厂 | Novel electrical switch cabinet |
| CN202930271U (en) * | 2012-03-22 | 2013-05-08 | 国家电网公司 | Switch cabinet earthing knife-switch blocking device |
| CN202649796U (en) * | 2012-06-08 | 2013-01-02 | 商河县供电公司 | A line safety monitor blocking device |
| CN103594262A (en) * | 2013-11-29 | 2014-02-19 | 国家电网公司 | Control system and method for grounding knife switch of lines of switchgear |
| CN203644589U (en) * | 2013-12-20 | 2014-06-11 | 国家电网公司 | Switch lever locking device and switch cabinet |
| CN207068705U (en) * | 2017-08-16 | 2018-03-02 | 广东电网有限责任公司韶关供电局 | A kind of ring main unit grounding switch electric locking device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110956779A (en) * | 2019-12-12 | 2020-04-03 | 华润电力（宜昌）有限公司 | Safety warning method and device for switch cabinet and storage medium |
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