CN105047449A - Knife switch state detection blocking method - Google Patents
Knife switch state detection blocking method Download PDFInfo
- Publication number
- CN105047449A CN105047449A CN201510394581.6A CN201510394581A CN105047449A CN 105047449 A CN105047449 A CN 105047449A CN 201510394581 A CN201510394581 A CN 201510394581A CN 105047449 A CN105047449 A CN 105047449A
- Authority
- CN
- China
- Prior art keywords
- plug
- strip
- knife switch
- rotating shaft
- state detector
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- 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.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/16—Indicators for switching condition, e.g. "on" or "off"
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
- H01H21/54—Lever switches with blade-type contact co-operating with one or two spring-clip contacts, e.g. knife switch
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The invention provides a knife switch state detection blocking method which comprises a step of fixing two knife switch state detectors to the upper surface of a knife switch structure box, a step of installing a blocking device on a knife switch rotation shaft above the knife switch structure box such that the blocking device rotates with the rotation of the knife switch rotation shaft, wherein when one knife switch state detector is blocked by the blocking device, when the knife switch rotation shaft rotates to one side rotation limit position, one knife switch state detector is blocked, and when the knife switch rotation shaft rotates to the other side rotation limit position, the other knife switch state detector is blocked by the blocking device. The method is simple to operate, since the knife switch state detectors are fixedly installed to the upper surface of a knife switch structure box, the dislocation and movement of the knife switch state detectors are avoided, the blocking accuracy is improved, even a blocking failure appears, an operator can distinguish the two knife switch state detectors with the help of memory, the judgment ability of the operator is improved, the blocking device of the invention is fixed to the knife switch rotation shaft, the installation is stable and reliable, and the possibility of bending and looseness is little.
Description
Technical field
The present invention relates to transformer station's five-defence block field, relate in particular to a kind of plug-in strip state detector occlusion method.
Background technology
In Substation Switch Changing Operation, need to utilize a kind of five-defence block program to realize protecting the one of equipment and the person, prevent misoperation.During operation plug-in strip, insert with five special preventing keys in the mechanical lock of plug-in strip operation chamber door, open box door operation plug-in strip.It is drive plug-in strip rotating shaft transmission connecting rod realize pulling open of plug-in strip and close by the motor in mechanism case that plug-in strip rotates, and therefore plug-in strip to close or by be incorporated into point, corresponding angle is all rotated in plug-in strip rotating shaft, and plug-in strip rotating shaft is generally perpendicular to horizontal plane setting by assigning to.After plug-in strip has operated, need to check that plug-in strip has operated really and put in place, at this moment just need logical plug-in strip state detector to detect.
Vital effect is served in the correct status of state detector after the change of computer anti-misoperation and lockout detection validation plug-in strip operating position, it utilizes computer anti-misoperation and lockout program coding to make chip to reflect a kind of device of plug-in strip different conditions, general, two plug-in strip state detectors installed by plug-in strip, represent co-bit and point position state respectively, need the plug-in strip state detector five anti-computer keys being inserted correct status just can carry out next step operation during detection, therefore when plug-in strip is in co-bit, co-bit plug-in strip detector oriented manipulation personnel, point position plug-in strip detector needs to be blocked, plug-in strip is in a point position, divide position plug-in strip detector oriented manipulation personnel, co-bit plug-in strip detector needs to be blocked, safety operation is realized with this.
See Figure of description 1, the occlusion method of existing plug-in strip state detector is bundled in plug-in strip rotating shaft 1 by two plug-in strip state detectors 3, plug-in strip rotating shaft 1 has certain rotational angle, plug-in strip rotating shaft 1 is co-bit state when going to rotation limit position, side, be point position state when going to opposite side rotation limit position, the position of two plug-in strip state detectors 3 is corresponding with the rotation limit position, both sides of plug-in strip rotating shaft 1 respectively, and the lockhole of two plug-in strip state detectors 3 is all towards arranged outside, the downside of plug-in strip rotating shaft 1 has switch blade mechanism case 2, then one piece of stripe board 4 is straight up installed at the edge of switch blade mechanism case 2, during operation plug-in strip, plug-in strip rotating shaft 1 is rotated, two plug-in strip state detectors 3 also rotate thereupon, and stripe board 4 is motionless, like this along with the change of plug-in strip operating position, when plug-in strip rotating shaft 1 turns to rotation limit position, side, the outside of one of them plug-in strip state detector 3 is blocked by stripe board 4, when plug-in strip rotating shaft 1 goes to opposite side rotation limit position, the outside of another plug-in strip state detector 3 quilt is blocked by stripe board 4.
The stripe board 4 used in above-mentioned occlusion method only has a support edge, therefore its less stable, under the long-term wind and weather in outdoor, easy corrosion is bending gets loose, cause outside the detector be blocked is exposed to, affect processing safety, and can make troubles to the normal operation of maintainer in the edge that stripe board 4 is fixed on switch blade mechanism case 2; In addition, two plug-in strip state detectors 3 easily misplace, collect together, cause not corresponding with the position of stripe board 4, and accuracy is blocked in impact.
Summary of the invention
Technical problem to be solved by this invention be to provide a kind of simple to operate, block the high plug-in strip state detector occlusion method of accuracy.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme: plug-in strip state detector occlusion method, comprises the following steps:
Two plug-in strip state detectors are fixed on the upper surface of switch blade mechanism case, and the position of two plug-in strip state detectors is corresponding with the rotation limit position, both sides of plug-in strip rotating shaft respectively;
Radical occlusion device is installed in plug-in strip rotating shaft, radical occlusion device is positioned at the top of switch blade mechanism case, radical occlusion device rotates along with the rotation of plug-in strip rotating shaft, when plug-in strip rotating shaft goes to rotation limit position, side, one of them plug-in strip state detector device that is blocked shelters from, when plug-in strip rotating shaft goes to opposite side rotation limit position, another plug-in strip state detector device that is blocked shelters from.
Further, described radical occlusion device comprises and being positioned at overhead gage on the upside of plug-in strip state detector, being positioned at side shield outside plug-in strip state detector and for described radical occlusion device being fixed on the securing member in plug-in strip rotating shaft, described overhead gage is fixed on described securing member, and described side shield is fixed on described overhead gage.
Further, described securing member is the anchor ear of annular, described overhead gage is annular sector plate, described side shield is cylindrical radial plate, described securing member, overhead gage and side shield coaxial line, described overhead gage is connected on the lower side of described securing member with its inside arc side weld, and described side shield is welded on the lateral arcs limit of described overhead gage with its upper side edge, and the central angle of described annular sector plate and cylindrical radial plate is 150 degree.
Compared to prior art, the invention has the advantages that: the present invention only need by each parts installation, simple to operate, because two plug-in strip state detectors are the upper surfaces being fixedly mounted on switch blade mechanism case, therefore, it is possible to avoid it occur dislocation and collect together, improve and block accuracy, and two plug-in strip state detectors do not rotate with the rotation of plug-in strip rotating shaft, its position is fixing, even if there is the situation of blocking inefficacy like this, operating personnel also can rely on memory to distinguish two plug-in strip state detectors, increase the judgement of operating personnel; Radical occlusion device in the present invention is fixed in plug-in strip rotating shaft, and it installs more stable, reliable, not flexiblely gets loose, thus ensure blocking completely plug-in strip state detector, and make troubles also can not to the normal operation of maintainer.
Accompanying drawing explanation
Fig. 1 is the scheme of installation of existing plug-in strip state detector occlusion method.
Fig. 2 is the scheme of installation of one embodiment of the invention plug-in strip state detector occlusion method.
Fig. 3 is the structural representation of radical occlusion device in one embodiment of the invention plug-in strip state detector occlusion method.
Being labeled as of each parts in Fig. 2 and Fig. 3: 11 overhead gages, 12 side shields, 13 securing members, 2 plug-in strip state detectors, 3 plug-in strip rotating shafts, 4 switch blade mechanism casees.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described:
Embodiment 1
See Fig. 2 and Fig. 3.
The plug-in strip state detector occlusion method of one embodiment of the invention, comprises the following steps:
Two plug-in strip state detectors 2 are fixed on the upper surface of switch blade mechanism case 4, in concrete enforcement, the method that seccotine can be adopted to paste is fixed, so both can avoid that screw was installed and damage had been caused to switch blade mechanism case 4, bearing can be avoided again to occur the phenomenon that corrosion loosens, and the position of two plug-in strip state detectors 2 is corresponding with the rotation limit position, both sides of plug-in strip rotating shaft 3 respectively; " rotation limit position, both sides " described here can be for reference point is determined with any point circumferentially of plug-in strip rotating shaft 3, namely the rotation limit position, both sides when this reference point turns over the rotational angle of plug-in strip rotating shaft 3, " correspondence " described here refers to the mid point of plug-in strip state detector 2 and determines that the projection of the reference point of rotation limit position, both sides in horizontal plane is positioned on the same radius of gyration or departs from slightly, and deviation value is as the criterion not affect occlusion effect;
Radical occlusion device is installed in plug-in strip rotating shaft 3, radical occlusion device is positioned at the top of switch blade mechanism case 4, radical occlusion device rotates along with the rotation of plug-in strip rotating shaft 3, when plug-in strip rotating shaft 3 goes to rotation limit position, side, one of them plug-in strip state detector 2 device that is blocked shelters from, when plug-in strip rotating shaft 3 goes to opposite side rotation limit position, another plug-in strip state detector 2 device that is blocked shelters from.
In the present embodiment, be 180 degree with the rotational angle of plug-in strip rotating shaft 3 to be described, those skilled in the art know that, the rotational angle of plug-in strip rotating shaft 3 also has the situations such as 135 degree to exist, in concrete enforcement, the function of two plug-in strip state detectors 2 divides with when plug-in strip is in co-bit, represents that the plug-in strip detector of point position is blocked, plug-in strip, when dividing position, represents that the plug-in strip detector of co-bit is blocked and is as the criterion.
The lockhole of two plug-in strip state detectors 2 is arranged all upward.Such design can make five preventing keys vertically insert, and detects and gets up to become convenient, makes operating personnel in the flow process detecting plug-in strip state, become simple efficient, also for grid switching operation saves the time.Preferably, two plug-in strip state detectors 2 are identical apart from the distance of plug-in strip rotating shaft 3.
Described radical occlusion device comprises and being positioned at overhead gage 11 on the upside of plug-in strip state detector 2, being positioned at side shield 12 outside plug-in strip state detector 2 and for described radical occlusion device being fixed on the securing member 13 in plug-in strip rotating shaft 3, described overhead gage 11 is fixed on described securing member 13, and described side shield 12 is fixed on described overhead gage 11.Adopt this structure, the present invention can block plug-in strip state detector 2 from the upper side and lower side of plug-in strip state detector 2, what its scope of blocking was far longer than existing stripe board blocks scope, the plug-in strip state detector 2 that need be blocked is blocked completely, within the visual field not appearing at operating personnel, therefore its to block accuracy higher.
In the present embodiment, described securing member 13 is the anchor ear of annular, described overhead gage 11 is annular sector plate, described side shield 12 is cylindrical radial plate, described securing member 13, overhead gage 11 and side shield 12 coaxial line, described overhead gage 11 is connected on the lower side of described securing member 13 with its inside arc side weld, and described side shield 12 is welded on the lateral arcs limit of described overhead gage 11 with its upper side edge, and the central angle of described annular sector plate and cylindrical radial plate is 150 degree.Adopt said structure, constant with the distance of the plug-in strip state detector 2 that is blocked when can ensure that radical occlusion device rotates with plug-in strip rotating shaft 3, more meet and under rotary state, plug-in strip state detector 2 is blocked, and can the compactedness of intensifier and stability, ensure its intensity, even device misplaces, collect together and occur that angle is among a small circle not corresponding, also can be compensated because the radian of device is comparatively large, thus ensure blocking completely plug-in strip state detector 2, in concrete enforcement, gap between the lower side of described side shield 12 and the upper surface of switch blade mechanism case 4 is at about 3cm, so neither affect the rotation of radical occlusion device, good occlusion effect can be ensured again.
Described radical occlusion device can adopt stainless steel material to make.
The present invention only need by each parts installation, and simple to operate, because two plug-in strip state detectors 2 are the upper surfaces being fixedly mounted on switch blade mechanism case 4, therefore, it is possible to avoid it occur dislocation and collect together, accuracy is blocked in raising; And two plug-in strip state detectors 2 do not rotate with the rotation of plug-in strip rotating shaft 3, its position is fixing, even if there is the situation of blocking inefficacy like this, operating personnel also can rely on memory to distinguish two plug-in strip state detectors 2, increase the judgement of operating personnel; Radical occlusion device in the present invention is fixed in plug-in strip rotating shaft 3, and it installs more stable, reliable, not flexiblely gets loose, thus ensure blocking completely plug-in strip state detector 2, and make troubles also can not to the normal operation of maintainer.
Be more than one embodiment of the present invention.It should be pointed out that for the person of ordinary skill of the art, under the premise without departing from the principles of the invention, some distortion and improvement can also be made, all belong to protection scope of the present invention.
Claims (3)
1. plug-in strip state detector occlusion method, is characterized in that, comprises the following steps:
Two plug-in strip state detectors (2) are fixed on the upper surface of switch blade mechanism case (4), and the position of two plug-in strip state detectors (2) is corresponding with the rotation limit position, both sides of plug-in strip rotating shaft (3) respectively;
Radical occlusion device is installed in plug-in strip rotating shaft (3), radical occlusion device is positioned at the top of switch blade mechanism case (4), radical occlusion device rotates along with the rotation of plug-in strip rotating shaft (3), when plug-in strip rotating shaft (3) goes to rotation limit position, side, one of them plug-in strip state detector (2) device that is blocked shelters from, when plug-in strip rotating shaft (3) goes to opposite side rotation limit position, another plug-in strip state detector (2) device that is blocked shelters from.
2. plug-in strip state detector occlusion method as claimed in claim 1, it is characterized in that: described radical occlusion device comprise be positioned at plug-in strip state detector (2) upside overhead gage (11), be positioned at plug-in strip state detector (2) outside side shield (12) and for described radical occlusion device being fixed on the securing member (13) in plug-in strip rotating shaft (3), described overhead gage (11) is fixed on described securing member (13), and described side shield (12) is fixed on described overhead gage (11).
3. plug-in strip state detector occlusion method as claimed in claim 2, it is characterized in that: the anchor ear that described securing member (13) is annular, described overhead gage (11) is annular sector plate, described side shield (12) is cylindrical radial plate, described securing member (13), overhead gage (11) and side shield (12) coaxial line, described overhead gage (11) is connected on the lower side of described securing member (13) with its inside arc side weld, described side shield (12) is welded on the lateral arcs limit of described overhead gage (11) with its upper side edge, the central angle of described annular sector plate and cylindrical radial plate is 150 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510394581.6A CN105047449B (en) | 2015-07-07 | 2015-07-07 | Plug-in strip state detector occlusion method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510394581.6A CN105047449B (en) | 2015-07-07 | 2015-07-07 | Plug-in strip state detector occlusion method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105047449A true CN105047449A (en) | 2015-11-11 |
| CN105047449B CN105047449B (en) | 2017-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510394581.6A Active CN105047449B (en) | 2015-07-07 | 2015-07-07 | Plug-in strip state detector occlusion method |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101627243A (en) * | 2007-02-26 | 2010-01-13 | 株式会社巴技术研究所 | Valve opening degree detection device |
| DE102010054391A1 (en) * | 2010-06-01 | 2011-12-01 | Bartec Gmbh | Switching device for operating switches at desired level for valve control, has switching elements frontally provided with teeth, where switching elements are in set position in engagement with each other |
| EP2573439A1 (en) * | 2011-09-20 | 2013-03-27 | Soldo S.r.l. Socio Unico | Switch box |
| CN203134645U (en) * | 2013-01-11 | 2013-08-14 | 凯里供电局 | Shielding device for power equipment operation hole |
| CN203445023U (en) * | 2013-08-16 | 2014-02-19 | 国家电网公司 | Horizontal rotary isolating switch opening and closing position online detector |
| CN204287232U (en) * | 2014-12-09 | 2015-04-22 | 珠海优特电力科技股份有限公司 | The mounting structure of state detector |
| CN204304615U (en) * | 2014-12-09 | 2015-04-29 | 国家电网公司 | Binocular camera and infrared camera on-line monitoring disconnecting link closure state fixed mount |
-
2015
- 2015-07-07 CN CN201510394581.6A patent/CN105047449B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101627243A (en) * | 2007-02-26 | 2010-01-13 | 株式会社巴技术研究所 | Valve opening degree detection device |
| DE102010054391A1 (en) * | 2010-06-01 | 2011-12-01 | Bartec Gmbh | Switching device for operating switches at desired level for valve control, has switching elements frontally provided with teeth, where switching elements are in set position in engagement with each other |
| EP2573439A1 (en) * | 2011-09-20 | 2013-03-27 | Soldo S.r.l. Socio Unico | Switch box |
| CN203134645U (en) * | 2013-01-11 | 2013-08-14 | 凯里供电局 | Shielding device for power equipment operation hole |
| CN203445023U (en) * | 2013-08-16 | 2014-02-19 | 国家电网公司 | Horizontal rotary isolating switch opening and closing position online detector |
| CN204287232U (en) * | 2014-12-09 | 2015-04-22 | 珠海优特电力科技股份有限公司 | The mounting structure of state detector |
| CN204304615U (en) * | 2014-12-09 | 2015-04-29 | 国家电网公司 | Binocular camera and infrared camera on-line monitoring disconnecting link closure state fixed mount |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105047449B (en) | 2017-03-15 |
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