CN111029912A - Relay protection secondary operation isolating device - Google Patents
Relay protection secondary operation isolating device Download PDFInfo
- Publication number
- CN111029912A CN111029912A CN201911232412.7A CN201911232412A CN111029912A CN 111029912 A CN111029912 A CN 111029912A CN 201911232412 A CN201911232412 A CN 201911232412A CN 111029912 A CN111029912 A CN 111029912A
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- Prior art keywords
- cloth
- warning
- strip cloth
- warning strip
- stripe
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- 239000004744 fabric Substances 0.000 claims abstract description 134
- 238000002955 isolation Methods 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 5
- 238000010586 diagram Methods 0.000 description 8
- 238000012423 maintenance Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000006399 behavior Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The invention relates to a relay protection secondary operation isolation device. At present, when the transformer substation protection device works in a screen cabinet, in order to prevent workers from mistakenly touching and mistakenly touching a terminal block wiring terminal in operation and prevent mistakenly touching and mistakenly operating the protection device, the terminals and the devices in operation in the working protection screen cabinet need to be obviously isolated, and a striking warning sign is placed to ensure the operation safety. A relay protection secondary operation isolation device comprises: can stretch red warning strip cloth (1) and cylinder warning strip cloth storage box (2), can stretch red warning strip cloth and cylinder warning strip cloth storage box and be connected, the cylinder warning strip cloth storage box adopts the PVC material, and stores box internal fixation at cylinder warning strip cloth and have a spool spring, guarantees through the spool spring that warning strip cloth is free flexible, can stretch red warning strip cloth and go up to be printed on and move equipment white typeface. The invention is applied to a relay protection device.
Description
The technical field is as follows:
the invention relates to a relay protection secondary operation isolation device.
Background art:
at present, when the transformer substation protection device works in a screen cabinet, in order to prevent a worker from mistakenly touching and mistakenly touching a terminal block wiring terminal in operation and mistakenly touching and mistakenly operating the protection device, the terminal and the device which operate in the protection screen cabinet in operation need to be obviously isolated, a striking warning sign is set, and the operation safety is ensured. However, the isolation warning devices used by the operation and maintenance personnel at present are various in style, are not uniform in size, do not correspond to the actual specifications of field equipment, arrange safety measures for the operation and maintenance personnel, are greatly inconvenient for the field construction operation of the working personnel, hinder the working personnel from working normally in many times, even cause the working convenience, remove the safety measures at will by the working personnel, and bring great potential safety hazards and operational risks for the working. Under the condition, the device is designed, is convenient to store and carry, is flexible and convenient to set, meets the actual specification of field equipment, and does not influence the work of operators.
The invention content is as follows:
the invention aims to provide a relay protection secondary operation isolation device.
The above purpose is realized by the following technical scheme:
a relay protection secondary operation isolation device comprises: can stretch red warning strip cloth and cylinder warning strip cloth and store the box, can stretch red warning strip cloth with cylinder warning strip cloth store the box and connect, cylinder warning strip cloth store the box and adopt the PVC material, and cylinder warning strip cloth store the inside spool that is connected with the pretension spring that is fixed with of box, guarantee through the spool spring that warning strip cloth is freely flexible, can stretch red warning strip cloth on be printed on and operate equipment white typeface.
Relay protection secondary operation isolating device work as but tensile red warning strip cloth and warning strip cloth fixed arc buckle be connected, cylinder warning strip cloth store the box and store box with warning strip cloth when fixed arc buckle is connected, but tensile red warning strip cloth stretch the elongation and be 1m, but tensile red warning strip cloth width 100mm, cylinder warning strip cloth storage box width 120 mm.
Relay protection secondary operation isolating device, work as but tensile red warning strip cloth be connected with warning strip cloth trapezoidal mount, cylinder warning strip cloth store the box and store the trapezoidal mount of box with warning strip cloth when being connected, the magnetic stripe has all been inlayed to the ladder face and the another side of two trapezoidal mounts, but tensile red warning strip cloth stretch the elongation for 600mm meter, wide 150mm, cylinder warning strip cloth store the box and store the wide 220mm of box, utilize two magnetic stripes to adsorb trapezoidal frame at protection cabinet body right angle department during the use, fixed magnetic means adopts the two sides area magnetic stripe can increase pulling force, makes the device fixed more firm.
Relay protection secondary operation isolating device work as but tensile red warning strip cloth and warning strip cloth fixed hook be connected, the cylinder warning strip cloth store the box and store the box fixed hook with warning strip cloth and be connected the time, but tensile red warning strip cloth stretch out the elongation and be 400mm, wide 200mm, cylinder warning strip cloth storage box is wide 220 mm.
Relay protection secondary operation isolating device work as but tensile red warning strip cloth and warning strip cloth fixed U type draw-in groove of using be connected, cylinder warning strip cloth store the box and store box with warning strip cloth when fixed U type draw-in groove of using and be connected, the magnetic stripe has been inlayed to a side of U type draw-in groove U style of calligraphy, but tensile red warning strip cloth stretch for 600mm, wide 50mm, cylinder warning strip cloth store the box wide 52 mm. When the device is used, the U-shaped clamping groove is inserted into the connecting piece base to clamp the base, one side with the magnetic stripe is in contact with the cabinet body, and the clamping groove is adsorbed on the cabinet body to fix the device.
The invention has the beneficial effects that:
1. the invention has four types of use, and each set of device is designed with different external dimensions and fixing modes according to the use part. The shape and the size of the device to be isolated are the same, and no redundant space is occupied; the fixing modes with different shapes are simple, convenient and firm to install, can bear certain tension and are not easy to fall off.
The width of the warning strip cloth of the special isolating device for the terminal block is the same as that of the terminal block, the surface of the terminal block can be shielded without a gap, and the used arc-shaped buckle can be firmly clamped on the terminal block bracket or the wiring terminal; the width of the warning strip cloth of the special device for protecting the case is the same as that of the case, and according to the installation equipment mode, the front part adopts a trapezoidal frame embedded with a magnetic strip, and the rear part adopts a single hook, so that the use requirements can be met; protection connection piece isolated plant's warning strip cloth width is the same with the connection piece, and designs U nature draw-in groove according to the connection piece shape, and U nature draw-in groove one side has inlayed the magnetic stripe, inserts the connection piece bottom with the draw-in groove during the use, adsorbs on the cabinet body of protection screen cabinet one side that will have the magnetic stripe, forms two stress surfaces, and the installation is more firm. The storage box, the buckle and the clamping groove of the device are all made of PVC materials, so that short circuit and ground fault of equipment cannot be caused, and the device is safe and reliable to use.
The invention aims to solve the problem that equipment can be effectively and safely operated in an isolated manner during maintenance test operation in a relay protection screen cabinet, prevent relay protection 'three-error' accidents of false touch, false touch and false wiring caused by walking wrong work places in the operation process, ensure safe and stable operation of the equipment and avoid secondary equipment accidents.
Compared with the existing irregular-shaped red cloth mantle, the isolation warning device provided by the invention better meets the actual conditions of an operation site and the requirements of site safety measures, is simple to install, has clear isolation, and is suitable for the construction operation of the relay protection devices of the transformer substations of various voltage levels.
The invention solves the problems of accidents and violation behaviors such as error touch, error wiring, wrong working place and the like which are easy to happen during maintenance test operation of the relay protection device of the transformer substation.
The reel of the pre-tightening spring adopts a common tape structure, the fixed shaft is fixed in the cylindrical warning stripe cloth storage box, then the coil spring is fixed on the rotating shaft, the rotating shaft is connected with the stretchable red warning stripe cloth, when the red warning stripe cloth is pulled, the rotating shaft rotates, the fixed shaft is fixed in the storage box constantly, then the rotating shaft drives the coil spring to rotate, and the coil spring pulls the red warning stripe cloth when rotating, so that the warning stripe cloth can be ensured to be stretched freely.
Description of the drawings:
FIG. 1 is a schematic view of the overall appearance of a terminal block dedicated device;
FIG. 2 is a schematic diagram of the terminal strip special device after the warning strip cloth is pulled out;
FIG. 3 is a schematic diagram of an internal terminal row of an on-site relay protection screen cabinet;
FIG. 4 is a schematic view of the overall appearance of a device (man-machine interface) dedicated to a case of a relay protection device;
fig. 5 is a schematic diagram of the relay protection device case after a special device (man-machine interface) warning strip cloth is pulled out;
FIG. 6 is a schematic diagram of a man-machine interface of a case of a field-operated relay protection device;
fig. 7 is a schematic view of the overall appearance of the dedicated device (terminal surface) of the relay protection device case;
fig. 8 is a schematic diagram of the relay protection device case after the warning stripe cloth of the special device (terminal surface) is pulled out;
FIG. 9 is a schematic diagram of a terminal surface of a case of the field operation relay protection device;
FIG. 10 is a schematic view of the whole apparatus for protecting the connecting sheet;
FIG. 11 is a schematic diagram of the protective connecting sheet special device after the warning strip cloth is pulled out;
FIG. 12 is a schematic diagram of a field operation relay protection connection sheet;
FIG. 13 is an internal structural schematic of a cylindrical warning striping storage case;
in the figure: 1. the tensile red warning strip cloth, 2, a cylindrical warning strip cloth storage box, 3, an arc buckle for fixing the warning strip cloth, 4, an arc buckle for fixing the warning strip cloth storage box, 5, a trapezoidal fixing frame for the warning strip cloth, 6, a trapezoidal fixing frame for the warning strip cloth storage box, 7, a fixed hook for the warning strip cloth, 8, a fixed hook for the warning strip cloth storage box, 9, a U-shaped clamping groove for fixing the warning strip cloth, 10, a U-shaped clamping groove for fixing the warning strip cloth storage box, 13, a wiring groove on a wiring terminal side of a protection case, 14, a wiring groove on the wiring terminal side of the protection case, 15, a connection piece A end, 16, a connection piece B end, 17, an inner end of the protection case, 18, a B end of the protection case, 19, an A end of a screen cabinet, 20, a B end of a terminal row in the screen cabinet, 21, a fixing shaft, 22, a coil spring, 23, a rotating shaft, 24 and a.
The specific implementation mode is as follows:
example 1:
a relay protection secondary operation isolation device comprises: can stretch red warning strip cloth 1 and cylinder warning strip cloth and store box 2, can stretch red warning strip cloth with cylinder warning strip cloth store the box and connect, cylinder warning strip cloth store the box and adopt the PVC material, and cylinder warning strip cloth store the box inside be provided with the spool spring, guarantee through the spool spring that warning strip cloth is freely flexible, can stretch red warning strip cloth on be printed on and operate equipment white typeface.
Example 2:
according to embodiment 1 relay protection secondary operation isolating device, work as tensile red warning strip cloth and warning strip cloth fixed arc buckle 3 of using be connected, the cylinder warning strip cloth store the box and store box fixed arc buckle 4 of using with the warning strip cloth and be connected, tensile red warning strip cloth can stretch the elongation and be 1m, tensile red warning strip cloth width 100mm, cylinder warning strip cloth storage box width 120 mm.
Example 3:
according to having implemented 1 or 2 relay protection secondary operation isolating device, work as but tensile red warning strip cloth and warning strip cloth trapezoidal mount 5 are connected, cylinder warning strip cloth store box and warning strip cloth when storing box trapezoidal mount 6 and being connected, the magnetic stripe has all been inlayed to the ladder face and the another side of two trapezoidal mounts, but tensile red warning strip cloth draw the length to be 600mm meters, wide 150mm, cylinder warning strip cloth store the box and store box width 220 mm.
Example 4:
according to embodiment 1 or 2 or 3 relay protection secondary operation isolating device, work as tensile red warning stripe cloth be connected with warning stripe cloth fixed hook 7, the cylinder warning stripe cloth store the box and store box fixed hook 8 with warning stripe cloth and be connected, tensile red warning stripe cloth can stretch the elongation and be 400mm, wide 200mm, cylinder warning stripe cloth stores the box width 220 mm.
Example 5:
according to embodiment 1 or 2 or 3 or 4 or 5 relay protection secondary operation isolating device, work as tensile red warning stripe cloth and warning stripe cloth fixed U type draw-in groove 9 with be connected, the cylinder warning stripe cloth store the box and store box fixed U type draw-in groove 10 with the warning stripe cloth and be connected, the magnetic stripe has been inlayed to a side of U type draw-in groove U style, tensile red warning stripe cloth can stretch the elongation and be 600mm, wide 50mm, the cylinder warning stripe cloth store the box wide 52 mm.
Example 6:
in the first embodiment, referring to fig. 1 to 3, when working in a protection screen cabinet, a part of non-working and running terminal rows need to be isolated by the isolating device, firstly, the arc-shaped buckle (4) for fixing the warning stripe storage box is inserted into the end A of the running terminal row in fig. 3 for fixing, then the arc-shaped fixing buckle (2) is pulled, the red warning stripe (1) is pulled out from the storage box to the end B of the running terminal row in fig. 3, the arc-shaped fixing buckle (2) is inserted into the terminal row for fixing, the warning stripe covers the whole terminal row in fig. 3, white running equipment on the warning stripe reminds operators, and the terminal row prohibits maintenance work and belongs to running equipment.
In a second specific embodiment, the second embodiment is described with reference to fig. 4 to 6, when the protection screen works on a cabinet, other operation devices need to be isolated by the device, firstly, one side of the trapezoidal fixing frame (4) of the warning strip cloth storage box with the magnetic strip is adsorbed at the a end of the operation device of fig. 6 (the trapezoidal frame is adsorbed on the protection cabinet body because the trapezoidal fixing frame trapezoidal face end and the other side are embedded with the magnetic strip), then, the trapezoidal fixing frame (2) of the warning strip cloth is pulled, the red warning strip cloth (1) is pulled out to the B end of fig. 6, the trapezoidal fixing frame (2) of the warning strip cloth is adsorbed on the cabinet body and fixed, the red warning strip cloth shields the operation equipment of fig. 6, and the operation personnel are reminded and prohibited to work on the device.
Third embodiment, the third embodiment is described with reference to fig. 7 to 9, in which a fixed hook (4) of the warning strip cloth storage box is hung on the upper wiring groove of fig. 9, then the fixed hook (2) of the warning strip cloth is pulled to pull the red warning strip cloth (1) out to the lower wiring groove of fig. 9, the fixed hook (2) of the warning strip cloth is hung on the lower wiring groove of fig. 9, the red warning strip cloth (1) shields the protective case (wiring terminal surface) of fig. 9, the running equipment is isolated, and the operation staff is warned to prohibit operation.
In a fourth specific embodiment, the embodiment is described with reference to fig. 10 to 12, and the protection connecting sheet in the isolation protection screen cabinet is clamped by inserting the U-shaped clamping groove (4) for fixing the warning stripe storage box into the first connecting sheet base at the a end of the protection connecting sheet of fig. 12, and since the magnetic stripe is embedded on the side of the U-shaped clamping groove contacting with the cabinet body, the U-shaped clamping groove is adsorbed on the cabinet body to fix the U-shaped clamping groove, and then pulling the U-shaped clamping groove (2) for fixing the warning stripe to pull out the red warning stripe (1) to the last connecting sheet at the B end of the protection connecting sheet of fig. 12, the U-shaped clamping groove (2) for fixing the warning stripe is inserted into the connecting sheet base to clamp, and the U-shaped clamping groove is adsorbed on the cabinet body to be fixed by using the magnetic stripe on the side of. The red warning stripe cloth with the white running equipment character can shield the running connecting sheet, remind the operating personnel of running the equipment and forbid work.
Claims (5)
1. A relay protection secondary operation isolation device comprises: box is stored to red warning stripe cloth of can stretching and cylinder warning stripe cloth, characterized by: but tensile red warning strip cloth with cylinder warning strip cloth store the box and connect, cylinder warning strip cloth store the box and adopt the PVC material, just cylinder warning strip cloth store the inside spool that is connected with the pretension spring that is fixed with of box, the spool connect but tensile red warning strip cloth to guarantee warning strip cloth freely stretch out and draw back, but tensile red warning strip cloth on be printed on and be operated equipment white typeface.
2. The relay protection secondary operation isolation device according to claim 1, wherein: when the stretchable red warning stripe cloth is connected with the warning stripe cloth through the fixed arc-shaped buckle, the cylindrical warning stripe cloth storage box is connected with the warning stripe cloth storage box through the fixed arc-shaped buckle, the stretchable red warning stripe cloth has the stretchable elongation of 1m, the stretchable red warning stripe cloth is 100mm wide, and the cylindrical warning stripe cloth storage box is 120mm wide.
3. The relay protection secondary operation isolation device according to claim 1 or 2, wherein: work as but tensile red warning strip cloth be connected with warning strip cloth trapezoidal mount, cylinder warning strip cloth store the box and store the box trapezoidal mount with warning strip cloth and be connected the time, the magnetic stripe has all been inlayed to the ladder face and the another side of two trapezoidal mounts, but tensile red warning strip cloth stretch the length and be 600mm meters, wide 150mm, cylinder warning strip cloth store the box width 220 mm.
4. The relay protection secondary operation isolation device as claimed in claim 1, 2 or 3, wherein when the stretchable red warning stripe is connected with the warning stripe through the fixed hook, the stretchable red warning stripe has a stretchable length of 400mm and a width of 200mm, and the cylindrical warning stripe storage box has a width of 220 mm.
5. The relay protection secondary operation isolation device as claimed in claim 1, 2 or 3, wherein when the stretchable red warning stripe cloth is connected with the U-shaped clamping groove for fixing the warning stripe cloth, a magnetic stripe is embedded in one side surface of the U-shaped clamping groove, the stretchable red warning stripe cloth has a stretchable elongation of 600mm and a width of 50mm, and the cylindrical warning stripe cloth storage box has a width of 52 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911232412.7A CN111029912A (en) | 2019-12-05 | 2019-12-05 | Relay protection secondary operation isolating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911232412.7A CN111029912A (en) | 2019-12-05 | 2019-12-05 | Relay protection secondary operation isolating device |
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| Publication Number | Publication Date |
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| CN111029912A true CN111029912A (en) | 2020-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911232412.7A Pending CN111029912A (en) | 2019-12-05 | 2019-12-05 | Relay protection secondary operation isolating device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112234492A (en) * | 2020-11-11 | 2021-01-15 | 贵州电网有限责任公司 | Scalable secondary terminal row prevents mistake touching isolation tool |
| CN115500035A (en) * | 2022-09-22 | 2022-12-20 | 贵州电网有限责任公司 | Computer cabinet with safety measure device |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101651298A (en) * | 2009-08-18 | 2010-02-17 | 石家庄供电公司 | Safe guarding device for power relaying protection field work and use method thereof |
| CN201460408U (en) * | 2009-08-04 | 2010-05-12 | 石家庄供电公司 | Safe isolation guardrail for protection screens |
| CN201466488U (en) * | 2009-07-27 | 2010-05-12 | 石家庄供电公司 | Terminal block insulating cover |
| CN201766297U (en) * | 2010-09-11 | 2011-03-16 | 宜昌供电公司变电运行中心 | Safety guarding device of secondary pressure plate |
| CN201887351U (en) * | 2010-12-07 | 2011-06-29 | 江苏省电力公司涟水县供电公司 | Protecting cloth mantle specially for relay repair test |
| CN204243318U (en) * | 2014-12-18 | 2015-04-01 | 国家电网公司 | Connecting terminal block and terminal false touch prevention device thereof |
| CN105680357A (en) * | 2016-04-12 | 2016-06-15 | 国网江苏省电力公司扬州供电公司 | Protective assembly of secondary equipment |
| CN106157806A (en) * | 2016-07-20 | 2016-11-23 | 国网江苏省电力公司南通供电公司 | Sealer, control panel secondary maintenance flame retardant type red cloth curtain in transformer station |
| CN206992568U (en) * | 2017-07-12 | 2018-02-09 | 国网新疆电力公司检修公司 | A kind of telescopic power equipment terminal block isolating device that can be recycled |
| CN108551106A (en) * | 2018-06-12 | 2018-09-18 | 国网辽宁省电力有限公司朝阳供电公司 | Relay protection anti-misoperation safety measure component and its carrying dedicated box |
| CN108979180A (en) * | 2018-08-21 | 2018-12-11 | 广东电网有限责任公司 | A kind of terminal block retractable isolation belt |
| CN208767682U (en) * | 2018-10-26 | 2019-04-19 | 国网安徽省电力有限公司阜阳供电公司 | A kind of isolating device for electric grid secondary appliance terminal row |
| CN208797443U (en) * | 2018-11-05 | 2019-04-26 | 国网河南省电力公司宜阳县供电公司 | A kind of substation's rapid and convenient formula protection disk peace arranges device |
-
2019
- 2019-12-05 CN CN201911232412.7A patent/CN111029912A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201466488U (en) * | 2009-07-27 | 2010-05-12 | 石家庄供电公司 | Terminal block insulating cover |
| CN201460408U (en) * | 2009-08-04 | 2010-05-12 | 石家庄供电公司 | Safe isolation guardrail for protection screens |
| CN101651298A (en) * | 2009-08-18 | 2010-02-17 | 石家庄供电公司 | Safe guarding device for power relaying protection field work and use method thereof |
| CN201766297U (en) * | 2010-09-11 | 2011-03-16 | 宜昌供电公司变电运行中心 | Safety guarding device of secondary pressure plate |
| CN201887351U (en) * | 2010-12-07 | 2011-06-29 | 江苏省电力公司涟水县供电公司 | Protecting cloth mantle specially for relay repair test |
| CN204243318U (en) * | 2014-12-18 | 2015-04-01 | 国家电网公司 | Connecting terminal block and terminal false touch prevention device thereof |
| CN105680357A (en) * | 2016-04-12 | 2016-06-15 | 国网江苏省电力公司扬州供电公司 | Protective assembly of secondary equipment |
| CN106157806A (en) * | 2016-07-20 | 2016-11-23 | 国网江苏省电力公司南通供电公司 | Sealer, control panel secondary maintenance flame retardant type red cloth curtain in transformer station |
| CN206992568U (en) * | 2017-07-12 | 2018-02-09 | 国网新疆电力公司检修公司 | A kind of telescopic power equipment terminal block isolating device that can be recycled |
| CN108551106A (en) * | 2018-06-12 | 2018-09-18 | 国网辽宁省电力有限公司朝阳供电公司 | Relay protection anti-misoperation safety measure component and its carrying dedicated box |
| CN108979180A (en) * | 2018-08-21 | 2018-12-11 | 广东电网有限责任公司 | A kind of terminal block retractable isolation belt |
| CN208767682U (en) * | 2018-10-26 | 2019-04-19 | 国网安徽省电力有限公司阜阳供电公司 | A kind of isolating device for electric grid secondary appliance terminal row |
| CN208797443U (en) * | 2018-11-05 | 2019-04-26 | 国网河南省电力公司宜阳县供电公司 | A kind of substation's rapid and convenient formula protection disk peace arranges device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112234492A (en) * | 2020-11-11 | 2021-01-15 | 贵州电网有限责任公司 | Scalable secondary terminal row prevents mistake touching isolation tool |
| CN115500035A (en) * | 2022-09-22 | 2022-12-20 | 贵州电网有限责任公司 | Computer cabinet with safety measure device |
| CN115500035B (en) * | 2022-09-22 | 2024-09-13 | 贵州电网有限责任公司 | Computer cabinet with safety measure device |
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