CN203193137U - Live locking device for grounding switch of switchgear - Google Patents
Live locking device for grounding switch of switchgear Download PDFInfo
- Publication number
- CN203193137U CN203193137U CN 201320204269 CN201320204269U CN203193137U CN 203193137 U CN203193137 U CN 203193137U CN 201320204269 CN201320204269 CN 201320204269 CN 201320204269 U CN201320204269 U CN 201320204269U CN 203193137 U CN203193137 U CN 203193137U
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- electromagnetic lock
- ground connection
- locking bar
- charged
- live
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Abstract
The utility model discloses a live locking device for a grounding switch of a switchgear. The live locking device comprises a live sensor arranged on an inlet cable, an electromagnetic lock (1) installed on the switchgear, and a curved baffle (2) connected to a locking bar of the electromagnetic lock, wherein the live sensor is electrically connected with the electromagnetic lock, the electromagnetic lock is installed at the periphery of a grounding switch operation hole (3) in the switchgear, and the locking bar of the electromagnetic lock is connected with the curved baffle. When the live sensor senses that the inlet cable is charged, the locking bar of the electromagnetic lock stretches out and drives the curved baffle to cover the grounding switch operation hole; and when the live sensor senses that the inlet cable is uncharged, the locking bar of the electromagnetic lock contracts and drives the curved baffle to turn back, and therefore the grounding switch operation hole is uncovered. According to the live locking device, the grounding switch operation hole is covered or uncovered directly by the baffle driven by the locking bar of the electromagnetic lock, thereby preventing the live misoperation, and facilitating visual judgment of the charged or uncharged state of the inlet cable; and the baffle is designed to be curved spoon-shaped like the Big Dipper to make installation and usage more flexible.
Description
Technical field
The utility model discloses a kind of locking device, belongs to high-tension switch cabinet Device element technical field, especially relates to a kind of charged locking device of switch cubicle ground connection cutter that prevents charged misoperation.
Background technology
Switch cubicle is the electric equipment of the various electric equipment Push And Releases of a kind of integrated control, and external cable is introduced into master switch in the cabinet, enters each minute control switch again, in order to the operating state of each derived channel equipment is set as required.Fail safe when guaranteeing the Maintenance and Repair operation generally is equiped with the ground connection cutter on the switch cubicle body, so as when maintenance with the cabinet reliable ground, prevent the generation of accidental shock accident.Yet, owing to operating personnel's error or the reason of fault, in actual motion, tend to take place the situation of the charged but misoperation of switch cubicle inlet wire cable ground connection cutter, thereby cause the short circuit of inlet wire side higher level switch and tripping operation, bring extremely adverse influence to entire circuit.For fear of at the charged mistiming operational grounding of switch cubicle inlet wire cable cutter, prior art has also designed some kinds of charged self-locking gears, but its complex structure, Installation and Debugging are loaded down with trivial details, and it is big to take up room, and operational reliability also is difficult for guaranteeing.
Chinese patent CN201584653U discloses the charged locking device of a kind of switch cubicle, comprise ground connection control lock, baffle plate, limiting plate, and electromagnetic lock, baffle plate is connected in the lock core rotating shaft of ground connection control lock and can rotates with the swing of lock core, thereby open or close the earthed switch handle hole on the switch cabinet panel, electromagnetic lock is controlled by switch cubicle inlet wire side electriferous state, the electromagnetic lock dead bolt stretches out and stops that ground connection control locks the rotary motion trace of limiting plate when the inlet wire side is charged, thereby stop baffle plate to be opened and expose the earthed switch handle hole, the electromagnetic lock dead bolt is not withdrawn and is got out of the way ground connection control and locks the rotary motion trace of limiting plate when the inlet wire side is charged, thereby can open baffle plate ground connection switching manipulation hole is operated.Yet this technical scheme remains in following defective: at first, the locking controlling organization is too complicated, thereby causes the fault point more, and operational reliability is difficult to obtain assurance; Secondly, baffle plate employing swing form opens or closes the earthed switch handle hole on the switch cabinet panel, and movement locus takes up room bigger, and cashier's office in a shop requirements of installation space is higher to switch, and applicability is restricted, and underaction is convenient.
Chinese patent CN201498870U discloses a kind of SIMOSEC type earthing switch operation of switch cabinet hole interlock, comprise baffle plate and electromagnetic lock, when switch cubicle in running order, be that the inlet wire cable is when charged, electromagnetic lock execution bar stretches out and blocks on the moving direction of baffle plate, thereby can't manually the baffle plate slippage be opened the hidden position of earthed switch, when switch cubicle cuts off the power supply, electromagnetic lock is carried out the bar withdrawal and is abdicated the baffle plate motion track, thereby can manually the baffle plate slippage be opened and earthed switch is operated.Yet, this technical scheme remains in following defective: because the installation site of electromagnetic lock on switch cubicle generally covered, so be not easy to observe directly the flexible situation that electromagnetic lock is carried out bar, and then be unfavorable for judging and the state of definite switch cubicle, need artificial slippage baffle plate just can obtain confirming during operation, occur in the accident at the charged interventricular septum of false touch place under the electrification in high voltage situation easily.
Chinese patent CN201886949U discloses a kind of high-tension switch cabinet ground connection cutter forceful electric power locking device, comprise electrified sensor, electrification display, solenoid, electromagnet, ground connection cutter baffle plate, electrification display shows the switch cubicle operating state that electrified sensor senses, and stretching by the solenoid controlled electromagnet, when switch cubicle inlet wire cable electrification in high voltage, electromagnet stretches out and is inserted on the ground connection cutter baffle plate in the corresponding pin-and-hole, thereby can't push baffle plate aside operates the ground connection cutter, when switch cubicle inlet wire cable is not charged, electromagnet is withdrawn in the pin-and-hole from ground connection cutter baffle plate accordingly, thereby can push baffle plate aside the ground connection cutter is operated.Yet, this technical scheme remains in following defective: the locking implementation structure is too complicated, the position that automatically resets because of wearing and tearing or distortion ground connection cutter baffle plate after use a period of time is easy to generate deviation, and then cause electromagnet can't accurately insert in the corresponding pin-and-hole on the ground connection cutter baffle plate, thereby influenced operational reliability.
The utility model content
Technical problem to be solved in the utility model is, provide a kind of simple and reasonable, be easy to judge the switch cubicle operating state, the charged locking device of switch cubicle ground connection cutter little, convenient and flexible installation that takes up room, to solve shortcomings such as locking device complex structure of the prior art, operational reliability are difficult for guaranteeing, Installation and Debugging are loaded down with trivial details.
For achieving the above object, the utility model is achieved through the following technical solutions:
The charged locking device of a kind of switch cubicle ground connection cutter, comprise the electrified sensor that is arranged on the inlet wire cable, be installed in the electromagnetic lock on the switch cubicle and be connected in tortuous catch on the electromagnetic lock locking bar, wherein electrified sensor is electrically connected on electromagnetic lock, electromagnetic lock is installed on all sides of ground connection cutter handle hole on the switch cubicle, and connect the tortuous catch that cross section is Big Dipper spoon shape at its locking bar, when electrified sensor senses the inlet wire cable when charged, the locking bar of electromagnetic lock stretches out and drives tortuous catch and shelters from ground connection cutter handle hole, when electrified sensor senses the inlet wire cable when not charged, thereby the locking bar of electromagnetic lock shrinks and drives tortuous catch rollback and exposes ground connection cutter handle hole.
Preferably, described tortuous catch is provided with the perforate that is complementary with the electromagnetic lock locking bar away from the spoon wall part of kettleholder, and the mode by the expansion set interference fit is in addition fixedly connected.Replace traditional being threaded by the connected mode of using the expansion set interference fit, reduced the number of parts on the locking device on the one hand, avoided the loosening situation of falling into the inner detonator circuit fault of switch cubicle of findings such as screw, nut to take place on the other hand.
The utility model is by connecting catch and directly covering or expose ground connection cutter handle hole through it at the electromagnetic lock locking bar, the closedown structure advantages of simple, operational reliability is easy to guarantee, and be convenient to the electriferous state of intuitive judgment inlet wire cable, avoided charged misoperation ground connection cutter, the generation of false touch electrification in high voltage chamber situation, simultaneously by catch being designed to the tortuous lamellar body that the cross section is class Big Dipper spoon shape, L shaped straight wall baffle plate compared to traditional band plectrum or shade, space utilization efficient is higher, install also more flexible, electromagnetic lock needn't limit to the preceding end spaces that is installed on the earthed switch handle hole as in traditional locking device, even setting angle also can be not orthogonal to switch cabinet panel, but select suitable installation site and setting angle according to the actual switch cabinet, and to the kettleholder bending angle of the tortuous catch of Big Dipper spoon shape, the spoon wall, spoon end length is adjusted accordingly and gets final product.
Description of drawings
Fig. 1 is the three-dimensional scheme of installation of the charged locking device of the utility model switch cubicle ground connection cutter;
Fig. 2 has the pressure working state schematic representation for the charged locking device of the utility model switch cubicle ground connection cutter;
Fig. 3 does not have the pressure working state schematic representation for the charged locking device of the utility model switch cubicle ground connection cutter;
In the accompanying drawing:
1. electromagnetic lock 11. locking bars
2. 22. spoonfuls of wall parts of tortuous catch 21. kettleholder parts
3. ground connection cutter handle hole
4. switch cubicle.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
As a specific embodiment, see also the charged locking device of the utility model switch cubicle ground connection cutter shown in Figure 1, comprise the electrified sensor (not shown) that is arranged on the inlet wire cable, be installed in the electromagnetic lock 1 on the switch cubicle 4 and be connected in tortuous catch 2 on the electromagnetic lock locking bar 11, wherein electrified sensor is electrically connected on electromagnetic lock 1, electromagnetic lock 1 selects to be installed on all sides of ground connection cutter handle hole 3 on the switch cubicle 4 flexibly according to actual conditions, and be connected with the tortuous catch 2 that the cross section is Big Dipper spoon shape at its locking bar 11, tortuous catch 2 sizes, bending angle can arrange flexibly according to concrete space situation, can be as the criterion by overlay masking ground connection cutter handle hole 3 when stretching out with the electromagnetic lock locking bar, tortuous catch 2 away from kettleholder part 21 the spoon wall part 22 be provided with the perforate that is complementary with electromagnetic lock locking bar 11, achieve a fixed connection in this mode by the expansion set interference fit.
See also shown in Figure 2, when electrified sensor senses switch cubicle inlet wire cable in pressure zone when electricity, arranged, the locking bar 11 of electromagnetic lock 1 stretches out and drives tortuous catch 2 and shelters from ground connection cutter handle hole 3, thereby can't insert operating grip the ground connection cutter is operated, effectively avoided the generation of the charged misoperation situation of switch cubicle.
See also shown in Figure 3, when sensing switch cubicle inlet wire cable, electrified sensor do not have pressure when not charged, locking bar 11 contractions of electromagnetic lock 1 also drive tortuous catch 2 rollbacks, thereby expose ground connection cutter handle hole 3, can insert operating grip this moment the ground connection cutter is carried out the ground connection operation, in order to carry out the Maintenance and Repair operation safely.
The above record only for utilizing the embodiment of this origination techniques content, anyly is familiar with modification, the variation that this skill person uses this creation to do, and all belongs to the claim of this creation opinion, and is not limited to those disclosed embodiments.
Claims (2)
1. charged locking device of switch cubicle ground connection cutter, it is characterized in that: comprise the electrified sensor that is arranged on the inlet wire cable, be installed in the electromagnetic lock on the switch cubicle and be connected in tortuous catch on the electromagnetic lock locking bar, wherein electrified sensor is electrically connected on electromagnetic lock, electromagnetic lock is installed on all sides of ground connection cutter handle hole on the switch cubicle, and connect the tortuous catch that cross section is Big Dipper spoon shape at its locking bar, when electrified sensor senses the inlet wire cable when charged, the locking bar of electromagnetic lock stretches out and drives tortuous catch and shelters from ground connection cutter handle hole, when electrified sensor senses the inlet wire cable when not charged, thereby the locking bar of electromagnetic lock shrinks and drives tortuous catch rollback and exposes ground connection cutter handle hole.
2. the charged locking device of switch cubicle ground connection cutter according to claim 1 is characterized in that: described tortuous catch is provided with the perforate that is complementary with the electromagnetic lock locking bar away from the spoon wall part of kettleholder, and the mode by the expansion set interference fit is in addition fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320204269 CN203193137U (en) | 2013-04-22 | 2013-04-22 | Live locking device for grounding switch of switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320204269 CN203193137U (en) | 2013-04-22 | 2013-04-22 | Live locking device for grounding switch of switchgear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203193137U true CN203193137U (en) | 2013-09-11 |
Family
ID=49109967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320204269 Expired - Fee Related CN203193137U (en) | 2013-04-22 | 2013-04-22 | Live locking device for grounding switch of switchgear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203193137U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106783292A (en) * | 2016-12-27 | 2017-05-31 | 浙江阿海珐电气有限公司 | A kind of earthed switch interlock and the ring main unit with it |
| CN107845537A (en) * | 2017-11-13 | 2018-03-27 | 上海天灵开关厂有限公司 | A kind of electric grounding knife-switch blocking device |
| CN110010404A (en) * | 2019-05-15 | 2019-07-12 | 江苏洛云电力科技有限公司 | High-voltage electrified locking device |
-
2013
- 2013-04-22 CN CN 201320204269 patent/CN203193137U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106783292A (en) * | 2016-12-27 | 2017-05-31 | 浙江阿海珐电气有限公司 | A kind of earthed switch interlock and the ring main unit with it |
| CN107845537A (en) * | 2017-11-13 | 2018-03-27 | 上海天灵开关厂有限公司 | A kind of electric grounding knife-switch blocking device |
| CN110010404A (en) * | 2019-05-15 | 2019-07-12 | 江苏洛云电力科技有限公司 | High-voltage electrified locking device |
| CN110010404B (en) * | 2019-05-15 | 2023-09-29 | 江苏洛凯机电股份有限公司 | High-voltage electrified locking device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130911 Termination date: 20210422 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |