CN203631445U - An electrical locking device for preventing faulty breaker closing - Google Patents
An electrical locking device for preventing faulty breaker closing Download PDFInfo
- Publication number
- CN203631445U CN203631445U CN201320822795.5U CN201320822795U CN203631445U CN 203631445 U CN203631445 U CN 203631445U CN 201320822795 U CN201320822795 U CN 201320822795U CN 203631445 U CN203631445 U CN 203631445U
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- travel switch
- transmission mechanism
- locking device
- anchor plate
- closing coil
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Abstract
The utility model discloses an electrical locking device for preventing faulty breaker closing. The electrical locking device comprises a closing coil, a travel switch, a JS type mechanism state unlocking device and a transmission mechanism. The electrical locking device is characterized in that the travel switch is connected to an electrical loop, where the closing coil is located, in series; the JS type mechanism state unlocking device is connected with the transmission mechanism; when being pulled, the JS type mechanism state unlocking device can synchronously drive the transmission mechanism to move up and down; the transmission mechanism is located above the travel switch; and when moving downward, the transmission mechanism presses the travel switch for turning off of the electrical loop where the closing coil is located, so that the electrical locking is achieved. The electrical locking device has the advantages that a set of linkage device capable of turning off the breaker closing electrical loop simultaneously is added to an interlocking device of breaker opening and closing and a JS type disconnecting and earthing switch operation mechanism, so that he electrical locking is achieved while the mechanical locking is achieved.
Description
Technical field
The utility model relates to the supporting device for switching of mains supply field, relates in particular to a kind of breaker misoperation-preventing and closes electric locking device.
Background technology
Require high-tension switch cabinet should possess the mistake of preventing according to national standard and divide, close circuit breaker, prevent that on-load from dividing, closing isolating switch (or stab contact), prevent disconnecting link with ground (or earth connection) power transmission, prevent " five the is anti-" functions such as charged co-grounding switch (or hanging earthing conductor).
At present " five is anti-" between China 12kV fixed switching cabinet and circuit breaker only has mechanical interlocking and mostly without electric blocking.At this moment circuit breaker is under the effect of mechanical interlocking, and mechanism cannot close a floodgate, but now still can give closing coil power transmission, causes closing coil because switching on and burn for a long time.
Utility model content
The technical assignment of technical problem to be solved in the utility model and proposition is that prior art is improved, provide a kind of breaker misoperation-preventing to close electric locking device, the incorrect operation preventing interlocking apparatus that solves circuit breaker in current technology has only been realized mechanical interlocking conventionally, mechanism cannot be closed a floodgate, and do not realize electric blocking, the problem that closing coil easily burns in the time of long-time energising.
For solving above technical problem, the technical solution of the utility model is:
A kind of breaker misoperation-preventing closes electric locking device, comprise closing coil, travel switch, JS type mechanism state tripper and transmission mechanism, it is characterized in that, described travel switch is connected in the electric loop at closing coil place, JS type mechanism state tripper is connected with transmission mechanism, synchronously drive transmission device upper and lower displacement while pulling JS type mechanism state tripper, transmission mechanism is positioned at travel switch top, presses the electric loop at travel switch disconnection closing coil place and realize electric locking when transmission mechanism moves down.Whether the utility model is offered a travel switch in the electric loop closing a floodgate, and controls cut-offfing of electric loop, switch on thereby can control closing coil.Above travel switch, install a transmission mechanism, transmission mechanism can do upper and lower displacement, reaches the object of pressing travel switch disconnection electric loop in the time that transmission mechanism moves down.Transmission mechanism is connected with JS type mechanism state tripper, synchronous drive transmission device in the time pulling JS type mechanism state tripper, make transmission mechanism make upper and lower displacement, cut-off electric loop, in realizing mechanical interlocking, also realize electric blocking, mechanism both cannot close a floodgate, and closing coil, also by electric disconnection, can not burn because of long-time passage.
Further, described transmission mechanism comprises connecting rod pressing plate, connecting lever, main shaft and Anchor plate kit, main shaft by spindle carrier device on circuit breaker cabinet, JS type mechanism state tripper is connected with main shaft by connecting rod pressing plate, on main shaft, be also fixed with connecting lever, connecting lever is connected with Anchor plate kit, and Anchor plate kit is positioned at the top of travel switch, when Anchor plate kit is subject to drive to bottom offset, realizes and presses travel switch.Pulling JS type mechanism state tripper, drivening rod pressing plate moves down, the rotation of connecting rod pressing plate driving main shaft, thus drive connecting lever to press down, connecting lever transmission is to Anchor plate kit, and Anchor plate kit is pressed travel switch to bottom offset and is disconnected electric loop.
Further, the top arrangement of described Anchor plate kit has back-moving spring, can make Anchor plate kit upwards reset to original position, avoids Anchor plate kit to push down travel switch always, cannot normally work thereby combined floodgate electric loop cannot be communicated with equipment.
Compared with prior art, the utility model advantage is:
Breaker misoperation-preventing described in the utility model closes the design feature of electric locking device in conjunction with 12kV fixed switching cabinet, by circuit breaker divide, the interlock of the isolation of combined floodgate and JS type, earthing switch operating mechanism set up a set of linkage that can simultaneously cut off breaker closing electric loop, in realizing mechanical interlocking, realize electric blocking, circuit breaker is under the effect of interlock, mechanism cannot close a floodgate, and the electric loop of closing coil is disconnected, closing coil can not switched on for a long time and burn, effectively improving the useful life of equipment; The utility model is simple in structure, and reliability is strong, simple to operate, and economic benefit is high, practical.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the electrical structure schematic diagram of closing coil and travel switch.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
The disclosed a kind of breaker misoperation-preventing of the utility model embodiment closes electric locking device, by circuit breaker divide, the interlock of the isolation of combined floodgate and JS type, earthing switch operating mechanism set up a set of linkage that can simultaneously cut off breaker closing electric loop, realized electric blocking.
As depicted in figs. 1 and 2, a kind of breaker misoperation-preventing closes electric locking device, comprise closing coil 1, travel switch 2, JS type mechanism state tripper 3 and transmission mechanism, travel switch 2 is connected in the electric loop at closing coil 1 place, then in state tripper 3 connection for transmission mechanisms of JS type mechanism, can drive transmission device when pulling JS type mechanism state tripper 3, when being driven, transmission mechanism can make the action of upper and lower displacement, transmission mechanism is positioned at travel switch 2 tops, in the time that transmission mechanism moves down, press the electric loop that travel switch 2 disconnects closing coil 1 place and realize electric locking.
Transmission mechanism can adopt structure as shown in Figure 1, transmission mechanism comprises connecting rod pressing plate 4, connecting lever 5, main shaft 6 and Anchor plate kit 9, main shaft 6 installs on circuit breaker cabinet by spindle carrier 7, JS type mechanism state tripper 3 is connected with main shaft 6 by connecting rod pressing plate 4, on main shaft 6, be also fixed with connecting lever 5, connecting lever 5 is connected with Anchor plate kit 9, Anchor plate kit 9 is positioned at the top of travel switch 2, when Anchor plate kit 9 is subject to drive to bottom offset, realizes and press travel switch 2, the top arrangement of Anchor plate kit 9 has back-moving spring 8, makes Anchor plate kit 9 upwards reset to original position.
In the time using breaker misoperation-preventing described in the utility model to close electric locking device, pull JS type mechanism state tripper 3, now connecting rod pressing plate 4 is driven and moves down, connecting rod pressing plate 4 driving main shaft 6 are rotated, thereby drive connecting lever 5 to press down, connecting lever 5 transmissions are to Anchor plate kit 9, and Anchor plate kit 9 is pressed travel switch 2 and disconnect the electric loop at closing coil 1 place to bottom offset; In the time that needs close a floodgate work, lift JS type mechanism state tripper 3, back-moving spring 8 on Anchor plate kit 9 orders about Anchor plate kit 9 and pops up and get back to original position, connecting rod pressing plate 4, connecting lever 5, main shaft 6 are all turned back to original position, thereby now the electric loop at switching coil 1 place recloses the work of can normally closing a floodgate.
Below be only preferred implementation of the present utility model, it should be pointed out that above-mentioned preferred implementation should not be considered as restriction of the present utility model, protection range of the present utility model should be as the criterion with claim limited range.For those skilled in the art, not departing from spirit and scope of the present utility model, can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (3)
1. a breaker misoperation-preventing closes electric locking device, comprise closing coil (1), travel switch (2), JS type mechanism state tripper (3) and transmission mechanism, it is characterized in that, described travel switch (2) is connected in the electric loop at closing coil (1) place, JS type mechanism state tripper (3) is connected with transmission mechanism, synchronously drive transmission device upper and lower displacement while pulling JS type mechanism state tripper (3), transmission mechanism is positioned at travel switch (2) top, when transmission mechanism moves down, press the electric loop at travel switch (2) disconnection closing coil (1) place and realize electric locking.
2. breaker misoperation-preventing according to claim 1 closes electric locking device, it is characterized in that, described transmission mechanism comprises connecting rod pressing plate (4), connecting lever (5), main shaft (6) and Anchor plate kit (9), main shaft (6) installs on circuit breaker cabinet by spindle carrier (7), JS type mechanism state tripper (3) is connected with main shaft (6) by connecting rod pressing plate (4), on main shaft (6), be also fixed with connecting lever (5), connecting lever (5) is connected with Anchor plate kit (9), Anchor plate kit (9) is positioned at the top of travel switch (2), when Anchor plate kit (9) is subject to drive to bottom offset, realizes and press travel switch (2).
3. breaker misoperation-preventing according to claim 2 closes electric locking device, it is characterized in that, the top arrangement of described Anchor plate kit (9) has back-moving spring (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320822795.5U CN203631445U (en) | 2013-12-12 | 2013-12-12 | An electrical locking device for preventing faulty breaker closing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320822795.5U CN203631445U (en) | 2013-12-12 | 2013-12-12 | An electrical locking device for preventing faulty breaker closing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203631445U true CN203631445U (en) | 2014-06-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320822795.5U Expired - Fee Related CN203631445U (en) | 2013-12-12 | 2013-12-12 | An electrical locking device for preventing faulty breaker closing |
Country Status (1)
| Country | Link |
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| CN (1) | CN203631445U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105225867A (en) * | 2015-10-26 | 2016-01-06 | 常州阿斯博开关有限公司 | A kind of ring main unit circuit breaker interlocking device |
| CN107785196A (en) * | 2017-11-07 | 2018-03-09 | 河南森源电气股份有限公司 | The interlocking mechanism of switch cubicle and its disconnecting switch and breaker |
| CN110706968A (en) * | 2019-09-30 | 2020-01-17 | 广东韶钢松山股份有限公司 | Safe operating system and using method |
-
2013
- 2013-12-12 CN CN201320822795.5U patent/CN203631445U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105225867A (en) * | 2015-10-26 | 2016-01-06 | 常州阿斯博开关有限公司 | A kind of ring main unit circuit breaker interlocking device |
| CN105225867B (en) * | 2015-10-26 | 2017-09-12 | 常州阿斯博开关有限公司 | A kind of looped network cabinet breaker interlocking mechanism |
| CN107785196A (en) * | 2017-11-07 | 2018-03-09 | 河南森源电气股份有限公司 | The interlocking mechanism of switch cubicle and its disconnecting switch and breaker |
| CN110706968A (en) * | 2019-09-30 | 2020-01-17 | 广东韶钢松山股份有限公司 | Safe operating system and using method |
| CN110706968B (en) * | 2019-09-30 | 2022-03-11 | 广东韶钢松山股份有限公司 | Safe operating system and using method |
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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: 20140604 Termination date: 20201212 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |