CN209641537U - A kind of GIS disconnecting link opening and closing gate position instruction device - Google Patents
A kind of GIS disconnecting link opening and closing gate position instruction device Download PDFInfo
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- CN209641537U CN209641537U CN201920897114.9U CN201920897114U CN209641537U CN 209641537 U CN209641537 U CN 209641537U CN 201920897114 U CN201920897114 U CN 201920897114U CN 209641537 U CN209641537 U CN 209641537U
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- sliding block
- disconnecting link
- closing
- position sliding
- link opening
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Abstract
The utility model discloses a kind of GIS disconnecting link opening and closing gate position instruction devices, including fan fourth finger to show disk, divide-shut brake pointer, open position sliding block, closing position sliding block, fixed screw, scale；The open position sliding block, closing position sliding block are mounted on the fan fourth finger and show on disk.A kind of GIS disconnecting link opening and closing gate position instruction device provided by the embodiment of the utility model directly can really reflect GIS tank interior disconnecting link contact divide-shut brake situation in place.When ex-ternal transmission connecting rod each section loosens, when card resistance or deformation, normal instruction of the device to disconnecting link opening and closing position is not influenced.Device is that situation is judged in place for disconnecting link position by straight-line groove, divide-shut brake pointer and the scale on division gate position sliding block, division gate position sliding block jointly, instruction and judgement are very accurate reliable, it there's almost no the collimation error, improve operations staff's working efficiency, it is ensured that the safe and stable operation of equipment.
Description
Technical field
The utility model belongs to power safety technique field more particularly to a kind of GIS disconnecting link opening and closing gate position instruction device.
Background technique
Occupied area is small, safe and reliable to operation, electric property is good due to having by GIS (gas insulating enclosed switch equipment)
Good, easy to maintain etc. are a little used widely.Since GIS disconnecting link contact is enclosed in tank body, operations staff is when making an inspection tour
Disconnecting link dynamic/static contact contact situation can not be observed directly, disconnecting link dynamic/static contact can not be also observed directly when operating disconnecting link and connect
Touch action situation and in place situation.In grid switching operation operation, cause to judge incorrectly due to cannot accurately grasp disconnecting link position
And equipment damage and short-circuit trip event is caused to often occur.Therefore, how accurate judgement GIS disconnecting link physical location and feelings in place
Condition is particularly important.Currently, operations staff generally passes through observation element's case direction board in operation or outer link is defeated
Indicator judges the situation in place of disconnecting link out.Mechanism case direction board is connected by exporting the auxiliary that connecting rod is connect with motor drive
Bar is realized.On the general device disconnecting link tank body input shaft of outer link output indicator, disconnecting link opening and closing gate position to bit identification one
As portrayed with paint before factory or it is live crossed before putting equipment in service with oil pen, in operation, by watching
Outer link output indicator indicates that situation judges scribing line comparing result in place to divide-shut brake with divide-shut brake in place.
There are following technical problems for the prior art:
(1) mechanism case direction board is inside mechanism case, when auxiliary connecting rod connect unreliable with motor drive output connecting rod,
Direction board cannot really reflect disconnecting link physical location situation.
(2) part of the manufacturer's equipment only configures switch mechanism case position indicator, the outer link output indicator being not configured,
Although being equipped with outer link output indicator, misregister.
(3) mechanism case direction board is without divide-shut brake tag line in place, and to the observation of direction board, there are the collimation errors, cannot be accurate
Judge disconnecting link opening and closing lock whether in place.
(4) in the process of running, after crossing multi-pass operation, kinematic link each section may loosen disconnecting link, card resistance,
Since existing mechanism case direction board and external disconnecting link position indicator are not installed on GIS tank body input shaft, at this time without
Method really reflects disconnecting link physical location situation.
(5) tag line shines in the operational process that drenches with rain in long term thermal in place for disconnecting link position, and paint scribing line or oiliness scribing line are easy
Occur to obscure and fall off, influences the accuracy of disconnecting link position judgement.
(6) tag line does not post reflection plaster or applies reflectorized paint in place for disconnecting link position, and when night time operation is not easy to observe disconnecting link
Situation in place greatly increases operational risk.
(7) disconnecting link position in place tag line be it is unadjustable, when disconnecting link overhaul adjust transmission connection length after, disconnecting link position
The position of divide-shut brake pointer changes therewith, needs to wipe paint again at this time and cross, be easy to cause disconnecting link indicator
Panel is dirty fuzzy, influences the accurate judgement to disconnecting link position.
(8) disconnecting link position indicator can not calculate disconnecting link separating brake-combined floodgate and combined floodgate-separating brake rotation angle, be not easy to transport
Administrative staff, which grasps, judges disconnecting link situation in place.
Utility model content
The purpose of this utility model is to provide a kind of GIS disconnecting link opening and closing gate position instruction devices, to solve the above technology
Problem can improve operations staff's working efficiency, it is ensured that set with accurate judgement disconnecting link opening and closing lock situation in place by the instruction device
Standby safe and stable operation.
For this purpose, the utility model uses following technical scheme:
A kind of GIS disconnecting link opening and closing gate position instruction device, including fan fourth finger show disk, divide-shut brake pointer, open position sliding block,
Closing position sliding block, fixed screw, scale；
The open position sliding block, closing position sliding block are mounted on the fan fourth finger and show on disk.
Optionally, the scale is uniformly distributed, each minimum scale is 1 degree, scale and its it is digital designed for convex and
It is integrally formed.
Optionally, the open position sliding block, the straight line offered respectively for being aligned instruction on closing position sliding block are recessed
Slot.
Optionally, one end of the open position sliding block and closing position sliding block is rectangular, and it is angular that the other end, which is angular,
One end be used to indicate scale.
Optionally, the open position sliding block and closing position sliding block are adjustable type.
Optionally, one end that the divide-shut brake pointer is used to indicate is sharp elongated triangular shape.
Optionally, it is coated on the divide-shut brake pointer, open position sliding block and closing position sliding block not easy to fade anti-
Gloss oil paint.
Optionally, the fan fourth finger, which shows, opens up that there are three show the fan annular distance of disk concentric, including one with fan fourth finger on disk
Big fan annular distance and two small fan annular distance；
The open position sliding block and closing position sliding block are slidably connected with the big fan annular distance respectively, two small fan annular distance
Show that disk is fixed on GIS tank body for fourth finger will to be fanned.
Optionally, the fixed screw is for fixing open position sliding block and closing position sliding block.
Optionally, the GIS disconnecting link opening and closing gate position instruction device whole device is made of austenitic stainless steel material.
Compared with prior art, the utility model embodiment has the advantages that
A kind of GIS disconnecting link opening and closing gate position instruction device provided by the embodiment of the utility model, directly can really reflect GIS
Tank interior disconnecting link contact divide-shut brake situation in place.When ex-ternal transmission connecting rod each section loosens, when card resistance or deformation, no
Influence normal instruction of the device to disconnecting link opening and closing position.Device is by straight on division gate position sliding block, division gate position sliding block
Line groove, divide-shut brake pointer and scale are that situation is judged in place for disconnecting link position jointly, indicate and judge accurately may be used very much
It leans on, there's almost no the collimation error, improve operations staff's working efficiency, it is ensured that the safe and stable operation of equipment.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, can also be obtained according to these attached drawings other attached drawings.
Structure depicted in this specification, ratio, size etc., only to cooperate the revealed content of specification, for
Those skilled in the art understands and reads, and is not intended to limit the utility model enforceable qualifications, therefore does not have technology
On essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing the utility model institute energy
Under the effect of generation and the purpose that can reach, it should all still fall in the revealed technology contents of the utility model and obtain the model that can cover
In enclosing.
Fig. 1 is a kind of structure chart of GIS disconnecting link opening and closing gate position instruction device provided by the embodiment of the utility model.
Fig. 2 is the structure chart of open position sliding block and closing position sliding block provided by the embodiment of the utility model.
Fig. 3 is the structure chart of divide-shut brake pointer provided by the embodiment of the utility model.
It illustrates:
Fan fourth finger shows disk 10, divide-shut brake pointer 11, open position sliding block 12, closing position sliding block 13, fixed screw 14, carves
Degree 15, straight-line groove 16, big fan annular distance 17, small fan annular distance 18, input shaft 19, kinematic link 20.
Specific embodiment
It is practical below in conjunction with this to enable the purpose of this utility model, feature, advantage more obvious and understandable
Attached drawing in new embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that under
The described embodiments are only a part of the embodiments of the utility model in face, and not all embodiment.Based on the utility model
In embodiment, all other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, fall within the protection scope of the utility model.
Shown in please referring to Fig.1 to Fig.3, a kind of GIS disconnecting link opening and closing gate position instruction device, including fan are present embodiments provided
Fourth finger shows disk 10, divide-shut brake pointer 11, open position sliding block 12, closing position sliding block 13, fixed screw 14, scale 15.
The open position sliding block 12, closing position sliding block 13 are mounted on the fan fourth finger and show on disk 10, are jointly disconnecting link
Position indicates to provide reference frame in place.Size and angle that fan fourth finger shows disk 10 can be adjusted according to practical producer's device model,
Meet actual needs.Divide and be used to indicate the actual division gate position of disconnecting link, is fixed on disconnecting link transmission by two fixed screws 14
Connecting rod 20 prevents divide-shut brake pointer 11 from shifting in the process of running and causes error.
The scale 15 is uniformly distributed, each minimum scale 15 is 1 degree, can accurately calculate knife by the scale 15
Lock is by separating brake-combined floodgate and combined floodgate-separating brake rotation angle, to judge whether divide-shut brake provides important reference to disconnecting link in place.
Scale 15 and its number are designed for convex and are integrally formed in production, are prevented from falling off in operational process and be faded.
One end of the open position sliding block 12 and closing position sliding block 13 be it is rectangular, the other end be it is angular, to be angular
One end is used to indicate scale 15.
The straight-line groove for being aligned instruction is offered on the open position sliding block 12, closing position sliding block 13 respectively
16.Straight-line groove 16 is opened up along angled peak, facilitates divide-shut brake pointer 11, scale 15, open position sliding block 12 and closing position
It sets sliding block 13 and is directed at position.
The open position sliding block 12 and closing position sliding block 13 are adjustable type.In practice because of reasons such as disconnecting link overhauls
It, can be according to the 11 initial indicating positions of separating brake of disconnecting link opening and closing lock pointer and the initial indicating bit that closes a floodgate after adjustment changes disconnecting link connecting rod stroke
The position readjusted and determine open position sliding block 12 and closing position sliding block 13 is set, it is convenient, flexible.
One end that the divide-shut brake pointer 11 is used to indicate is sharp elongated triangular shape.It is convenient for when instruction and open position
The straight-line groove 16 of sliding block 12 and the straight-line groove 16 of closing position sliding block 13 and scale 15 carry out deviation comparison, thus accurately
Determine disconnecting link separating brake and in-place closing situation.
It is coated on the divide-shut brake pointer 11, open position sliding block 12 and closing position sliding block 13 not easy to fade reflective
Paint.Wherein divide-shut brake pointer 11 is silvery reflection paint, open position sliding block 12 is green painting, closing position sliding block 13 is red
Color paint.Reflectorized paint observes disconnecting link position when can be convenient night time operation.
The fan fourth finger, which shows, opens up that there are three show the fan annular distance of 10 concentric of disk, including one big fan with fan fourth finger on disk 10
Annular distance 17 and two small fan annular distance 18.
The open position sliding block 12 and closing position sliding block 13 are slidably connected with the big fan annular distance 17 respectively, for dividing
Gate position sliding block 12 and closing position sliding block 13 adjust position and stroke is used.Two small fan annular distance 18 shows disk 10 for that will fan fourth finger
It is fixed on GIS tank body, and flexible rotating adjustment can fan the position angle that fourth finger shows disk 10 as needed.
The fixed screw 14 is for fixing open position sliding block 12 and closing position sliding block 13.When disconnecting link opening and closing lock pointer
By screw tightening after the initial indicating positions of 11 separating brakes and the initial indicating positions that closes a floodgate are determining, it is fixedly secured 12 He of open position sliding block
Closing position sliding block 13, it is ensured that disconnecting link position accuracy of judgement.
The GIS disconnecting link opening and closing gate position instruction device whole device is made of austenitic stainless steel material.With good
Toughness, hardness and corrosion resistance, can be suitably used for outdoor environmental conditions requirement.
It is first that divide-shut brake pointer 11 is solid by two when installation by taking disconnecting link is in separating brake original state as an example in the present embodiment
Determine the kinematic link 20 that screw 14 is fixed on input shaft 19, notices that divide-shut brake pointer 11 will be aligned with center line, it is ensured that division
Lock pointer 11 and 20 synchronous rotary of kinematic link.According to the separating brake original state position of disconnecting link and the scale 15 for needing to indicate, thing
First open position sliding block 12 is accurately determined and fixed, is circle with input shaft 19, the straight line of open position sliding block 12 is recessed
Slot 16 and triangle arrow and 11 overlapping alignment of divide-shut brake pointer will show that disk 10 is fixed on input for fourth finger is fanned with fixed screw 14
On GIS tank body on axis 19, scale 15 indicated by the triangle arrow of open position sliding block 12 is recorded after fixing.Then
By switch operation to closing position, closing position sliding block 13 is accordingly directed at divide-shut brake pointer 11 and is accurately fixed, at this time may be used
To accurately calculate disconnecting link separating brake-combined floodgate rotation angle, to judge that situation provides important references in place for disconnecting link position.The present apparatus
It when installation, is generally referred on the basis of open position sliding block 12, adjustment 12 indicating graduation 15 of open position sliding block is 0 degree, is closed a floodgate
Sliding block 13 indicating graduation 15 in position is practical indicated value.
When disconnecting link movement (as closed a floodgate), kinematic link 20 drives divide-shut brake pointer 11 to show that 10 surface of disk is made along fan fourth finger
Rotary motion.When disconnecting link in-place closing, divide-shut brake pointer 11 is right up at the straight-line groove 16 of closing position sliding block 13, and
It is Chong Die with straight-line groove 16, it can determine whether disconnecting link in-place closing at this time.If divide-shut brake pointer 11 does not arrive directly after the completion of disconnecting link closes a floodgate
Line groove 16 is more than straight-line groove 16, then judges concrete reason.First look at indicated scale 15 and original records
Scale 15 compares, if closing position sliding block 13 generates displacement, readjusts closing position sliding block 13 to initial position.Such as
Fruit closing position sliding block 13 does not shift, then should make detailed inspection and consider that the not in place or closing position of disconnecting link combined floodgate is too deep, and
Make respective handling.
A kind of GIS disconnecting link opening and closing gate position instruction device provided by the embodiment of the utility model, directly can really reflect GIS
Tank interior disconnecting link contact divide-shut brake situation in place.When 20 each section of ex-ternal transmission connecting rod loosens, when card resistance or deformation,
Normal instruction of the device to disconnecting link opening and closing position is not influenced.Device is by division gate position sliding block 13, division gate position sliding block 13
On straight-line groove 16, for disconnecting link position, situation is judged in place jointly for divide-shut brake pointer 11 and scale 15, indicate and sentence
It is disconnected very accurate reliable, it there's almost no the collimation error, improve operations staff's working efficiency, it is ensured that the safety and stability of equipment is transported
Row.Fan fourth finger shows that disk 10 can show the position angle of disk 10 by flexible rotating adjustment fan fourth finger as needed, and fan fourth finger is selected to show
The size and angle of disk 10 itself, it is convenient, flexible, it is applicable to the needs without producer and equipment.Device divide-shut brake pointer 11,
Different colours, reflectorized paint not easy to fade are coated on open position sliding block 12, closing position sliding block 13 and straight-line groove 16,
Disconnecting link position situation in place is observed when facilitating night time operation, substantially reduces operational risk, improves working efficiency.Divide-shut brake pointer 11
With 20 synchronous rotary of kinematic link, and divide-shut brake pointer 11 will not generate displacement and cause error with the movement of disconnecting link.Separating brake
Position sliding block 12 and closing position sliding block 13 are provided with straight-line groove 16, and fan ring indicator high scale 15 and number design for convex,
It is integrally formed in production, prevents from shining to drench with rain to fall off in operational process in long term thermal fading and influencing the accurate of disconnecting link position judgement
Property.Open position sliding block 12 and closing position sliding block 13 are adjustable type.Change in practice because the reasons such as disconnecting link overhaul adjust
After disconnecting link connecting rod stroke, it can be adjusted again according to the 11 initial indicating positions of separating brake of disconnecting link opening and closing lock pointer and the initial indicating positions that closes a floodgate
The position of whole determining open position sliding block 12 and closing position sliding block 13, very convenient accurate, flexibly safety, avoids needing in the past
Again wipe paint crossed brought by trouble and risk.Disconnecting link position indicator can accurately calculate disconnecting link separating brake-
The rotation angle of combined floodgate and the entire stroke of combined floodgate-separating brake, for disconnecting link position, situation provides important references in place.Whole device is by Austria
Family name's body stainless steel material is made into, and is had good toughness, hardness and corrosion resistance, be can be suitably used for outdoor environmental conditions requirement.
Here, using specialized vocabulary only for describing the purpose of specific example embodiment, and not mean to limit
Purpose.Unless context clearly makes opposite expression, singular " one (a) " as used herein, " one (an) "
" being somebody's turn to do (the) " can mean also to include plural form.Term " including (comprises) ", " including (comprising) ",
" including (including) " and it is included in the interior meaning " with (having) ", and therefore specifies and there is stated spy
Sign, entirety, step, operation, element and/or component, but do not exclude the presence of or extraly have other spies of one or more
Sign, entirety, step, operation, element, component and/or combination thereof.Unless explicitly indicated the order executed, it is described herein
This method step, handling and operation are not interpreted as centainly needing to execute according to the specific order discussed and shown.Should also
Understand, it can be using additional or selectable step.
When element or layer be known as " ... on ", " with ... engage ", " being connected to " or " being connected to " another
Element or layer can be and engage, be connected to or couple directly on another element or layer, with another element or layer
To another element or layer, there may also be intervenient element or layers.In contrast, when element or layer are known as " straight
On connecing ... ", " with ... directly engage ", " being directly connected to " or " being directly coupled to " another element or layer, then may be used
Intervenient element or layer can be not present.Other words for being used to describe element relation should explain (example in a similar way
Such as, " ... between " and " between directly existing ... ", " adjacent " and " direct neighbor " etc.).Term "and/or" as used herein
Any and all combination of one or more including associated the enumerated project.Although may have been used art herein
Language first, second, third, etc. to describe various elements, component, regions, layers, and/or portions, these elements, component, region,
Layer and/or part are not limited by these terms.These terms can be served only for an element, component, region or part
It is distinguished with another element, component, region or part.Unless clearly showed that by context, herein using such as term " the
One ", the term of " second " and other numerical value is it is not intended that sequence or order.Therefore, lower section discuss first element, component,
Region, layer or part can be implemented using second element, component, region, layer or partial term without departing from the example
The introduction of example.
The relative terms in space, such as "inner", "outside", " below ", " ... lower section ", " lower part ", " top ",
" top " etc. can use herein for convenient for the purpose of description, to describe an element or feature as illustrated in the drawing and another
Relationship between outer one or more element or feature.The relative terms in space can mean the orientation comprising describing except the figure
Except the device different orientations.For example, if overturn the device in the figure, then it is described as " in other elements or feature
Element of the lower section " either " below element or feature " will be oriented to " in the top of other elements or feature ".Therefore,
Exemplary term " ... lower section " may include upwardly and downwardly two kinds orientations.The device can be otherwise orientated
It (be rotated by 90 ° or other are orientated) and is explained with the opposite description in space herein.
The above, above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；Although ginseng
The utility model is described in detail according to previous embodiment, those skilled in the art should understand that: it is still
It is possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is equally replaced
It changes；And these are modified or replaceed, various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution
Spirit and scope.
Claims (10)
1. a kind of GIS disconnecting link opening and closing gate position instruction device, which is characterized in that show disk, divide-shut brake pointer, separating brake including fan fourth finger
Position sliding block, closing position sliding block, fixed screw, scale；
The open position sliding block, closing position sliding block are mounted on the fan fourth finger and show on disk.
2. a kind of GIS disconnecting link opening and closing gate position instruction device according to claim 1, which is characterized in that the scale is equal
Even distribution, each minimum scale are 1 degree, and scale and its number are designed and are integrally formed for convex.
3. a kind of GIS disconnecting link opening and closing gate position instruction device according to claim 2, which is characterized in that the sub-gate position
It sets sliding block, offer the straight-line groove for being aligned instruction on closing position sliding block respectively.
4. a kind of GIS disconnecting link opening and closing gate position instruction device according to claim 3, which is characterized in that the sub-gate position
Set one end of sliding block and closing position sliding block be it is rectangular, the other end be it is angular, be used to indicate scale for angular one end.
5. a kind of GIS disconnecting link opening and closing gate position instruction device according to claim 4, which is characterized in that the sub-gate position
It sets sliding block and closing position sliding block is adjustable type.
6. a kind of GIS disconnecting link opening and closing gate position instruction device according to claim 5, which is characterized in that the divide-shut brake
One end that pointer is used to indicate is sharp elongated triangular shape.
7. a kind of GIS disconnecting link opening and closing gate position instruction device according to claim 6, which is characterized in that the divide-shut brake
Reflectorized paint not easy to fade is coated on pointer, open position sliding block and closing position sliding block.
8. a kind of GIS disconnecting link opening and closing gate position instruction device according to claim 7, which is characterized in that the fan fourth finger
Show the fan annular distance for showing disk concentric there are three opening up on disk with fan fourth finger, including a big fan annular distance and two small fan annular distance；
The open position sliding block and closing position sliding block are slidably connected with the big fan annular distance respectively, and two small fan annular distance is used for
Fan fourth finger is shown that disk is fixed on GIS tank body.
9. a kind of GIS disconnecting link opening and closing gate position instruction device according to claim 8, which is characterized in that the fixed spiral shell
Silk is for fixing open position sliding block and closing position sliding block.
10. a kind of GIS disconnecting link opening and closing gate position instruction device according to claim 9, which is characterized in that the GIS knife
Lock divide-shut brake position indicator whole device is made of austenitic stainless steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920897114.9U CN209641537U (en) | 2019-06-14 | 2019-06-14 | A kind of GIS disconnecting link opening and closing gate position instruction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920897114.9U CN209641537U (en) | 2019-06-14 | 2019-06-14 | A kind of GIS disconnecting link opening and closing gate position instruction device |
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| Publication Number | Publication Date |
|---|---|
| CN209641537U true CN209641537U (en) | 2019-11-15 |
Family
ID=68499027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920897114.9U Active CN209641537U (en) | 2019-06-14 | 2019-06-14 | A kind of GIS disconnecting link opening and closing gate position instruction device |
Country Status (1)
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112509834A (en) * | 2021-02-03 | 2021-03-16 | 广东电网有限责任公司惠州供电局 | GIS switch diagnostic device that opens and shuts |
| CN113848470A (en) * | 2021-09-23 | 2021-12-28 | 广东电网有限责任公司 | Pointer type disconnecting link state laser monitoring device |
| CN114089180A (en) * | 2021-11-19 | 2022-02-25 | 中国南方电网有限责任公司超高压输电公司广州局 | Device, method and system for monitoring opening and closing of disconnecting link and computer readable storage medium |
-
2019
- 2019-06-14 CN CN201920897114.9U patent/CN209641537U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112509834A (en) * | 2021-02-03 | 2021-03-16 | 广东电网有限责任公司惠州供电局 | GIS switch diagnostic device that opens and shuts |
| CN113848470A (en) * | 2021-09-23 | 2021-12-28 | 广东电网有限责任公司 | Pointer type disconnecting link state laser monitoring device |
| CN114089180A (en) * | 2021-11-19 | 2022-02-25 | 中国南方电网有限责任公司超高压输电公司广州局 | Device, method and system for monitoring opening and closing of disconnecting link and computer readable storage medium |
| CN114089180B (en) * | 2021-11-19 | 2024-04-02 | 中国南方电网有限责任公司超高压输电公司广州局 | Knife switch opening and closing monitoring equipment, method, system and computer readable storage medium |
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