CN210110585U - Anti-misoperation device for earthing switch of ring main unit - Google Patents
Anti-misoperation device for earthing switch of ring main unit Download PDFInfo
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- CN210110585U CN210110585U CN201920989577.8U CN201920989577U CN210110585U CN 210110585 U CN210110585 U CN 210110585U CN 201920989577 U CN201920989577 U CN 201920989577U CN 210110585 U CN210110585 U CN 210110585U
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Abstract
The utility model discloses a looped netowrk cabinet earthing switch prevents mistake operating means is equipped with electrified display on looped netowrk cabinet control panel, the model of electrified display is CG6513, and electrified display is connected with the high-tension bushing electricity, still is equipped with the earthing switch handle hole on the control panel, and looped netowrk cabinet earthing switch prevents mistake operating means and includes host computer and auxiliary engine, the host computer is fixed on looped netowrk cabinet control panel, the host computer includes flip, casing, electro-magnet base panel beating, bistable electromagnet, apron, inlay nut, lockhole, the utility model discloses do not adopt reset spring, adopt bistable electromagnet work, prevent earthing switch maloperation, avoid spring deformation, fracture to cause the electro-magnet to reset, effectively improve whole device validity and life.
Description
Technical Field
The utility model relates to a looped netowrk cabinet earthing switch prevents mistake operating means belongs to and supplies distribution equipment technical field.
Background
The outdoor ring main unit is simple and reliable, and is widely used in a distribution network power supply network of a city. A mechanical misoperation preventing device is arranged between a load switch and a grounding switch blade of the outdoor ring main unit, and the misoperation preventing device can reliably prevent various misoperation when the ring main unit is fed with wires. However, due to the network connection mode of ring network power supply and hand pulling, the incoming line of the power supply of the ring network cabinet is broken, and the error prevention device of the ring network cabinet can not prevent the malignant misoperation of the electrified grounding switch. Therefore, the operation of the grounding knife switch must be controlled by mistake, that is, when the load switch is opened, whether the cable inlet and outlet line is electrified must be judged, and the grounding knife switch is allowed to be connected only when the cable is not electrified.
Patent document No. 201120199351.1 discloses "a locking device for preventing the ring main unit from being grounded by an electrified misoperation", the following technical contents: the locking device comprises a control panel, an operating mechanism and a high-voltage bushing, the operating mechanism is fixed on the control panel, an electrified display and an unlocking button which are mutually and electrically connected are arranged on the control panel, the electrified display is electrically connected with the high-voltage bushing, the unlocking button is electrically connected with the operating mechanism, and a grounding switch operating hole is further formed in the control panel. The forced electrified display and the unlocking electromagnet are adopted as core elements in the structure, the structure is simple, the installation and wiring are convenient, the operation is simple, and the cost is low. However, one end of the spring is connected with the unlocking electromagnet, the other end of the spring is connected with the locking plate, and the spring has the defects of easy deformation, corrosion, breakage and the like, so that the electromagnet cannot reset. In addition, its unblock electro-magnet and unblock button electricity are connected and realize the circular telegram, need long-time circular telegram to keep after opening the cabinet door, generate heat easily and burn out the solenoid, reflect according to the information of trade investigation, and the fault rate of this kind of electro-magnet is high, in case break down in addition, is difficult to open the cabinet door, when opening the door by force, damages the cabinet body structure easily, causes the delay of the power transmission of resuming after the maintenance simultaneously.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a looped netowrk cabinet earthing switch prevents mistake operating means does not adopt reset spring, adopts bistable electromagnet work, prevents earthing switch maloperation, avoids spring deformation, fracture to cause the electro-magnet to unable reseing, effectively improves whole device validity and life.
The purpose of the utility model is realized through the following technical scheme:
a looped netowrk cabinet earthing switch anti-misoperation device is characterized in that a live display is arranged on a looped netowrk cabinet control panel, the model of the live display is CG6513, the live display is electrically connected with a high-voltage bushing, the control panel is also provided with an earthing switch operation hole, the looped netowrk cabinet earthing switch anti-misoperation device comprises a host and an auxiliary machine, the host is fixed on the looped netowrk cabinet control panel, the host comprises a flip cover, a shell, an electromagnet base metal plate, a bistable electromagnet, a cover plate, an embedded nut and a lock hole, the model of the bistable electromagnet is EML-0530, the electromagnet base metal plate is L-shaped, a through hole is formed in the short edge of the L-shaped, an armature rod of the bistable electromagnet penetrates through hole and is fixedly connected with the L-shaped short edge of the electromagnet, the long edge of the L-shaped electromagnet base metal plate is positioned on one side of the, screw holes for bolts to pass through are formed in the peripheral edge of the cover plate, embedded nuts are arranged in the position corresponding to the screw holes in the shell, the outer side of the cover plate is locked by the bolts passing through the screw holes and the embedded nuts, the cover plate is fixed on the bottom surface of the shell, a through hole is formed in one side surface of the shell, an armature rod of the bistable electromagnet extends out of the through hole, the flip cover is hinged to the top surface of the shell, a lock catch is arranged on one side of the inner surface of the flip cover, the shell below the flip cover is hollow, the position of the flip cover is aligned to an operation hole of a grounding switch of the ring main unit, three lock holes for inserting the key are formed in the top surface of the shell, the auxiliary machine comprises an electronic unlocking key, a direct current power supply and an unlocking button, the electronic unlocking key is SFWF-600A in type, the electronic unlocking key is provided with three key, the first key post and the third key post are respectively connected with the positive pole and the negative pole of a direct-current power supply, the direct-current power supply is a rechargeable battery or a dry battery, an unlocking button is connected in series between the positive pole of the direct-current power supply and the first key post of an electronic unlocking key, a charged display outputs a red-yellow-green three-core wire, a red wire is a common ground, a yellow wire is a common point, a green wire is a normally closed contact, a yellow wire of the charged display is connected with the positive pole end of a power supply of a bistable electromagnet, a red wire of the charged display is connected with the negative pole end of the power supply of the bistable electromagnet, when the electronic unlocking key is inserted into a lock hole, the first key post is electrically connected with a green wire of the charged display, the third key post is electrically connected with the red wire of the charged display, when a high-voltage sleeve is detected by the charged display, the green wire and the yellow wire are not conducted, the bistable electromagnet is in a locking position, the green line and the yellow line are conducted, the bistable electromagnet is powered on to unlock, the armature rod of the bistable electromagnet drives the spring bolt at the front end of the electromagnet base metal plate to move to the unlocking position, and the spring bolt is separated from the lock catch of the flip cover.
The purpose of the utility model can be further realized through the following technical measures:
the looped netowrk cabinet earthing switch prevents mistake operating means, wherein establish a recess on No. two key posts, a breach is established to electro-magnet base panel beating side, when bistable electromagnet was in the locking position, the breach has avoided corresponding No. two key posts to insert the position of lockhole, makes No. two key posts can insert the lockhole smoothly, drives the electro-magnet base panel beating when bistable electromagnet and moves to the unblock position by the locking position, the recess of No. two key posts is passed to the side of electro-magnet base panel beating, the pulling out of No. two key posts blocks.
The anti-misoperation device of the ring main unit earthing switch is characterized in that the flip cover is hinged to the top surface of the shell, a spring is arranged between the movable hinge and the fixed hinge of the hinge, and two ends of the spring are fixedly connected with the movable hinge and the fixed hinge respectively.
In the anti-misoperation device for the earthing switch of the ring main unit, the transparent cover is arranged on one side of the shell where the turnover cover is arranged.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a host computer, auxiliary engine grafting mode, the host computer adopts flip valve mechanism, and the host computer is pegged graft with the auxiliary engine after, press the start button can, once only accomplish test the electricity, replaced operating personnel by testing the automation equipment of electricity anti-misoperation unblock integration and carried out the anti-misoperation, reduced because artificial mistake and the possibility of taking place the maloperation, guarantee to join in marriage net operational safety and personal safety.
2. The bistable electromagnet is adopted to work, the misoperation of the grounding switch is prevented, and the phenomenon that the electromagnet cannot reset due to the deformation and the fracture of the spring is avoided.
3. The utility model provides a near environment do not have the looped netowrk cabinet of low voltage power supply and prevent mistake blocking device's power supply problem, electromagnetic lock adopts bistable electromagnet, and power consumption is extremely low.
Drawings
FIG. 1 is an exploded view of the main frame structure of the present invention;
FIG. 2 is a front view of the main frame structure of the present invention;
fig. 3 is a schematic structural view of the auxiliary unit of the present invention.
Detailed Description
The invention will be further explained with reference to the drawings and the specific embodiments.
As shown in figures 1 and 2, the utility model discloses a looped netowrk cabinet earthing switch anti-misoperation device, is equipped with electrified display on looped netowrk cabinet control panel, the model of electrified display is CG6513, electrified display is connected with the high-voltage bushing electricity, still is equipped with the earthing switch handle hole on the control panel, and looped netowrk cabinet earthing switch anti-misoperation device includes host computer 100 and auxiliary machine 200, host computer 100 is fixed on looped netowrk cabinet control panel, host computer 100 includes flip 2, casing 3, electromagnet base panel beating 4, bistable electromagnet 6, apron 7, embedded nut 8, lockhole 9, the model of bistable electromagnet is EML-0530, electromagnet base panel beating 4 is the L type, opens a through-hole on the minor face of the L type, the armature rod 5 of bistable electromagnet 6 passes the through-hole and is fixed connection with the L type minor face of electromagnet base panel beating 4, the long edge of the electromagnet base 4 of the L type is located one side of the body of bistable electromagnet 6, the other side of the body of the bistable electromagnet 6 is fixed on the inner side of the cover plate 7, the peripheral edge of the cover plate 7 is provided with screw holes for bolts to pass through, the position in the shell 3 corresponding to the screw holes is provided with embedded nuts 8, the outer side of the cover plate 7 is locked by the bolts passing through the screw holes and the embedded nuts 8, the cover plate 7 is fixed on the bottom surface of the shell 3, one side surface of the shell 3 is provided with a through hole 301, an armature rod 5 of the bistable electromagnet 6 extends out of the through hole 301, the flip cover 2 is hinged on the top surface of the shell 3, one side of the inner surface of the flip cover 2 is provided with a lock catch 201, the shell 3 below the flip cover 2 is hollow, the position of the flip cover 2 is aligned with an operation hole of a grounding switch of a ring main unit, three lock holes 9 for inserting keys are arranged on the top surface of the shell 3, as shown in figure 3, the auxiliary machine, the electronic unlocking key 11 is provided with three key columns which can be inserted into the lock hole 9 and are respectively a first key column, a second key column and a third key column, the first key column and the third key column are respectively connected with the positive pole and the negative pole of the direct-current power supply 12, the direct-current power supply 12 is a rechargeable battery or a dry battery, the unlocking button 13 is connected between the positive pole of the direct-current power supply 12 and the first key column of the electronic unlocking key 11 in series, when the electronic unlocking key 11 is inserted into the lock hole 9 for electricity testing and unlocking, the unlocking button 13 is pressed, and the first key column is communicated with the positive pole of the direct-current power supply 12; the charged display outputs a red, yellow and green three-core wire, the red wire is a common ground, the yellow wire is a common point, the green wire is a normally closed contact, the yellow wire of the charged display is connected with the positive end of a power supply of the bistable electromagnet 6, the red wire of the charged display is connected with the negative end of the power supply of the bistable electromagnet 6, when the electronic unlocking key 11 is inserted into the lock hole 9, the first key post is electrically connected with the green wire of the charged display, the third key post is electrically connected with the red wire of the charged display, when the high-voltage sleeve is charged by the charged display, the green wire and the yellow wire are not conducted, the first key post does not provide the positive end of the power supply for the bistable electromagnet 6, so that the bistable electromagnet 6 maintains the original locking state, the bistable electromagnet 6 cannot be unlocked by the electronic unlocking key 11, the bistable electromagnet 6 is in the locking position, the lock tongue at the front end of the electromagnet base plate 4, the grounding knife switch can not be operated; when electrified display surveyed that high-tension bushing is uncharged, switch on between green line and the yellow line, bistable electromagnet 6 gets electric, bistable electromagnet 6 can get electric unblock through electron unblock key 11, bistable electromagnet 6 gets electric unblock, bistable electromagnet 6's armature rod 5 drives the spring bolt motion of 4 front ends of electromagnet base panel beating to the unblock position, the spring bolt breaks away from with flip 2's hasp 201, flip 2 can open, can insert operating handle deciliter ground connection switch after opening flip 2.
In order to obtain better technical effects, in the anti-misoperation device for the ring main unit grounding switch, a groove 14 is formed in the second key cylinder, a notch 402 is formed in the side edge of the electromagnet base metal plate 4, when the bistable electromagnet 6 is in the locking position, the notch 402 avoids the position corresponding to the second key cylinder inserted into the lock hole 9, so that the second key cylinder can be smoothly inserted into the lock hole 9, when the bistable electromagnet 6 drives the electromagnet base metal plate 4 to move from the locking position to the unlocking position, the side edge of the electromagnet base metal plate 4 penetrates through the groove 14 of the second key cylinder, and the second key cylinder is prevented from being pulled out. Because the second key post is positioned at the inner side of the connecting line of the first key post and the third key post and is not positioned on the same straight line with the first key post and the third key post, no matter the electromagnet base metal plate 4 is positioned at the locking position or the unlocking position, the movement space of the first key post and the third key post is not influenced, but the side edge of the electromagnet base metal plate 4 passes through the groove 14 of the second key post when the position is unlocked, so that the second key post is prevented from being pulled out, therefore, the electronic unlocking key 11 can not be pulled out, only when the armature rod 5 of the bistable electromagnet 6 is pushed to drive the electromagnet base metal plate 4 to move to the locking position and the locking is reset, at this time, the notch 402 moves to the groove position of the second key cylinder, the electronic unlocking key 11 can be pulled out, the ground switch misoperation preventing device is prevented from being in an unlocking state when no legal electronic unlocking key is inserted, and the ground switch is prevented from being mistakenly connected.
The anti-misoperation device of the ring main unit earthing switch is characterized in that the flip cover 2 is hinged to the top surface of the shell 3, a spring is arranged between the movable hinge and the fixed hinge of the hinge, and two ends of the spring are fixedly connected with the movable hinge and the fixed hinge respectively. Therefore, as long as the bistable electromagnet 6 is electrically unlocked, the flip cover 2 can be automatically bounced open under the action of the spring, and the operation is convenient.
In the anti-misoperation device for the earthing switch of the ring main unit, the transparent cover is arranged on one side of the shell where the turnover cover is arranged so as to prevent dust.
The utility model discloses a flip valve mechanism, it is pleasing to the eye to have the appearance, and the product is small, and the action reliability is high, and application scope is wide, and it is more convenient to install, directly can be used for many brands looped netowrk cabinets such as BB, siemens, Schneider, the ashima, realizes safe five-prevention shutting.
In addition to the above embodiments, the present invention can also have other embodiments, and all technical solutions formed by equivalent replacement or equivalent transformation fall within the protection scope of the present invention.
Claims (4)
1. A looped netowrk cabinet earthing switch prevents mistake operating means is equipped with electrified display on looped netowrk cabinet control panel, the model of electrified display is CG6513, electrified display is connected with the high-voltage bushing electricity, still be equipped with the earthing switch handle hole on the control panel, characterized by that, looped netowrk cabinet earthing switch prevents mistake operating means includes host computer and auxiliary engine, the host computer is fixed on looped netowrk cabinet control panel, the host computer includes flip, casing, electro-magnet base panel beating, bistable electromagnet, apron, embedded nut, lockhole, the model of bistable electromagnet is EML-0530, the electro-magnet base panel beating is the L type, open a through-hole on the minor face of L type, the armature rod of bistable electromagnet passes the through-hole and with the L type minor face fixed connection of electro-magnet base panel beating, the long limit of the electro-magnet base panel beating of L type is located body one side of bistable electromagnet, the other side of the body of the bistable electromagnet is fixed on the inner side of the cover plate, the peripheral edge of the cover plate is provided with screw holes for bolts to pass through, the position in the shell corresponding to the screw holes is provided with embedded nuts, the outer side of the cover plate is locked by the bolts passing through the screw holes and the embedded nuts, the cover plate is fixed on the bottom surface of the shell, one side surface of the shell is provided with a through hole, an armature rod of the bistable electromagnet extends out from the through hole, the flip cover is hinged on the top surface of the shell, one side of the inner surface of the flip cover is provided with a lock catch, the shell below the flip cover is hollow, the position of the flip cover is aligned with an operation hole of a grounding switch of the ring main unit, three lock holes for inserting keys are arranged on the top surface of the shell, the auxiliary machine comprises an electronic unlocking key, a direct current power supply and, the first key post, the second key post and the third key post are respectively connected with a positive pole and a negative pole of a direct current power supply, the direct current power supply is a rechargeable battery or a dry battery, an unlocking button is connected in series between the positive pole of the direct current power supply and the first key post of the electronic unlocking key, the electrified display outputs a red, yellow and green three-core wire, the red wire is a common ground, the yellow wire is a common point, the green wire is a normally closed contact, the yellow wire of the electrified display is connected with the positive pole end of the power supply of the bistable electromagnet, the red wire of the electrified display is connected with the negative pole end of the power supply of the bistable electromagnet, when the electronic unlocking key is inserted into the lock hole, the first key post is electrically connected with the green wire of the electrified display, the third key post is electrically connected with the red wire of the electrified display, when the high-voltage sleeve is detected by the electrified display, the green wire and the yellow wire are not conducted, the bistable electromagnet is in a locking position, and the lock, when the high-voltage bushing is not electrified, the electrified display is used for detecting that the high-voltage bushing is electrified, the green line and the yellow line are conducted, the bistable electromagnet is electrified and unlocked, the armature rod of the bistable electromagnet drives the spring bolt at the front end of the electromagnet base metal plate to move to the unlocking position, and the spring bolt is separated from the flip lock catch.
2. The ring main unit earthing switch misoperation preventing device as claimed in claim 1, wherein a groove is provided on the second key post, a notch is provided on a side edge of the electromagnet base metal plate, when the bistable electromagnet is in the locking position, the notch avoids a position corresponding to the second key post inserted into the lock hole, so that the second key post can be smoothly inserted into the lock hole, when the bistable electromagnet drives the electromagnet base metal plate to move from the locking position to the unlocking position, the side edge of the electromagnet base metal plate passes through the groove of the second key post, and the second key post is prevented from being pulled out.
3. The ring main unit earthing switch misoperation prevention device as claimed in claim 1, wherein the flip cover is hinged on the top surface of the housing, and a spring is provided between the movable hinge and the fixed hinge of the hinge, and two ends of the spring are fixedly connected with the movable hinge and the fixed hinge respectively.
4. The ring main unit earthing switch anti-misoperation device as claimed in claim 1, wherein a transparent cover is provided on one side of the housing where the flip cover is located.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920989577.8U CN210110585U (en) | 2019-06-28 | 2019-06-28 | Anti-misoperation device for earthing switch of ring main unit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920989577.8U CN210110585U (en) | 2019-06-28 | 2019-06-28 | Anti-misoperation device for earthing switch of ring main unit |
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| CN210110585U true CN210110585U (en) | 2020-02-21 |
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| CN201920989577.8U Active CN210110585U (en) | 2019-06-28 | 2019-06-28 | Anti-misoperation device for earthing switch of ring main unit |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111519979A (en) * | 2020-04-30 | 2020-08-11 | 三一海洋重工有限公司 | Safety interlocking device and safety interlocking system |
| CN113675777A (en) * | 2021-08-23 | 2021-11-19 | 江山市鑫源电气有限公司 | Intelligent locking anti-misoperation device and anti-misoperation ring main unit |
| CN114242485A (en) * | 2021-12-17 | 2022-03-25 | 南京贝尔电气设备有限公司 | A interlocking device that is used for security height of looped netowrk cabinet |
-
2019
- 2019-06-28 CN CN201920989577.8U patent/CN210110585U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111519979A (en) * | 2020-04-30 | 2020-08-11 | 三一海洋重工有限公司 | Safety interlocking device and safety interlocking system |
| CN113675777A (en) * | 2021-08-23 | 2021-11-19 | 江山市鑫源电气有限公司 | Intelligent locking anti-misoperation device and anti-misoperation ring main unit |
| CN113675777B (en) * | 2021-08-23 | 2023-09-12 | 江山市鑫源电气有限公司 | Intelligent locking error-preventing device and error-preventing ring main unit |
| CN114242485A (en) * | 2021-12-17 | 2022-03-25 | 南京贝尔电气设备有限公司 | A interlocking device that is used for security height of looped netowrk cabinet |
| CN114242485B (en) * | 2021-12-17 | 2023-11-17 | 南京贝尔电气设备有限公司 | High-safety interlocking mechanism for ring main unit |
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