CN203747276U - Apparatus used for preventing low voltage power distribution cabinet from operating misoperation - Google Patents
Apparatus used for preventing low voltage power distribution cabinet from operating misoperation Download PDFInfo
- Publication number
- CN203747276U CN203747276U CN201420043815.3U CN201420043815U CN203747276U CN 203747276 U CN203747276 U CN 203747276U CN 201420043815 U CN201420043815 U CN 201420043815U CN 203747276 U CN203747276 U CN 203747276U
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- CN
- China
- Prior art keywords
- drawer unit
- distribution cabinet
- armature
- electromagnet
- preventing low
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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.)
- Withdrawn - After Issue
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Abstract
The utility model relates to an apparatus used for preventing a low voltage power distribution cabinet from operating misoperation. The apparatus comprises an electromagnetic mechanism used for interlocking a cabinet body and a drawer unit. The electromagnetic mechanism is formed by an electromagnet and an armature. Corresponding positions of the drawer unit and the cabinet body are provided with holes respectively, wherein the armature passes through the holes. The electromagnet is an alternating electromagnet formed by an iron core and a coil. Working power of the coil is provided by a lower end of a breaker of the drawer unit and is provided with a control switch. According to the apparatus, by using the electromagnetic mechanism, under the condition that the low-voltage drawer-type power distribution cabinet carries out switch on and power transmission, operation personnel can be prevented from extracting a drawer unit and carrying out inspection or overhauling in the case of regardless of break-brake blackout; safety performance of the power distribution cabinet is greatly increased and potential accidents are reduced.
Description
Technical field
The utility model relates to a kind of for preventing low-voltage distribution cabinet operation misoperation apparatus, is applicable to the low pressure drawer-type switch cabinet (GCK, GCS, MNS etc.) of every profession and trade power supply-distribution system.
Background technology
Low pressure drawer-type switch cabinet, due to reasons such as it are simple in structure, interchangeability is good, inspection maintenance is convenient, is widely used in every profession and trade low-voltage distribution system.In usual inspection, in troubleshooting and upkeep operation, drawer unit generally all need to be extracted out from cabinet, if when drawer unit extraction out in the situation that circuit breaker does not have separating brake, operating current is not cut off by circuit breaker, in the process that one-time contact of drawer unit is separating with branch bar in drawer extraction, produce electric arc, electric current more electric arc is stronger, gently cause one-time contact and branch bar to burn out, heavy arc light makes insulation breakdown and then single-phase earthing and three-phase shortcircuit in cabinet, cause overstep tripping and fault coverage to expand, the arc light that even short circuit produces can cause operating maintenance personnel casualty.
At present, general low pressure drawer-type switch cabinet generally adopts the mode of mechanical interlocking to prevent that drawer is drawn out of in the situation that cabinet inner breaker closes a floodgate on the market, due to interlocking device's more complicated, add each manufacturer quality very different, make that failure rate is higher and maintenance is inconvenient, in the time that mechanical interlocking loses efficacy, can have great potential safety hazard in addition.
Utility model content
The problem that the utility model exists for above-mentioned prior art is made improvement, be that technical problem to be solved in the utility model is to provide one for preventing low-voltage distribution cabinet operation misoperation apparatus, this device utilizes electromagnetic mechanism to realize when power distribution cabinet inner breaker is during in "on" position, drawer unit and the function that can not be drawn out of locked by the armature of working.
In order to solve the problems of the technologies described above, the technical solution of the utility model is: one is used for preventing low-voltage distribution cabinet operation misoperation apparatus, comprise the electromagnetic mechanism for interlock cabinet and drawer unit, described electromagnetic mechanism is made up of electromagnet and armature, and on described drawer unit and cabinet, opposite position offers respectively the hole passing through for armature.
Preferably, the alternating electromagnet that described electromagnet is made up of iron core and coil, the working power of described coil provides and is provided with control switch by drawer unit circuit breaker lower end.
Preferably, described electromagnet is fixedly installed on the support in drawer unit, and described armature is movably installed on the support in cabinet by back-moving spring.
Preferably, described electromagnet and armature are installed in drawer unit with integral type.
Preferably, described armature is alignment pin.
Preferably, described iron core is bar shaped or ungulate.
Compared with prior art, the utlity model has following beneficial effect: it is few that (1) realizes the required component number of this function, and cost is low, easy for installation, practical; (2) can avoid the circuit breaker risk that drawer unit is drawn out of in the time of "on" position completely, thereby reduce the generation of major accident; (3) can be used in conjunction with the mechanical interlocking of identical function, increase the security performance of equipment; (4) structural principle simple, be easy to realize, good reliability.
Below in conjunction with the drawings and specific embodiments, the utility model is described in more detail.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment.
In figure: 1-control switch, 2-iron core, 3-coil, 4-support, 5-back-moving spring, 6-armature, A-cabinet, B-drawer unit, L1-takes from the power supply of circuit breaker lower end, N-ground connection.
Embodiment
As shown in Figure 1, one is used for preventing low-voltage distribution cabinet operation misoperation apparatus, comprise that described electromagnetic mechanism is made up of electromagnet and armature 6 for the electromagnetic mechanism of interlock cabinet A and drawer unit B, the upper opposite position of described drawer unit B and cabinet A offers respectively the hole passing through for armature 6.The applicable low-voltage distribution cabinet cabinet type of this device is drawer type cabinet type (GCK, GCS, MNS etc.), its formation comprises cabinet A, bus-bar system and drawer unit B etc., its main electric components is installed in drawer unit B, and the slideway that drawer unit B can install by both sides in cabinet A pushes or extracts out.
In the present embodiment, the alternating electromagnet that described electromagnet is made up of iron core 2 and coil 3, described iron core 2 is bar shaped or ungulate, the working power of described coil 3 provides and is provided with control switch 1 by drawer unit B circuit breaker lower end; Described armature 6 is alignment pin, and described hole is location hole.Described electromagnet is fixedly installed on the support 4 in drawer unit B, and described armature 6 is movably installed on the support 4 in cabinet A by back-moving spring 5.Certainly, described electromagnet and armature 6 also can integral type be installed in drawer unit B.
The needed components and parts of the utility model are less, on market, being easy to buying arrives, both can in the time that switch cubicle designs, add this device, and according to selected electromagnet and support 4 sizes, in drawer unit B, reserved good installation site and hold in advance location hole successfully and assemble and debug; Also can increase this device to the switch cubicle having put into operation in addition, should select suitable electromagnet and support 4 according to the remaining space in drawer unit B in this case.
Operation principle of the present utility model is as follows: in the time of breaker closing, coil 3 is switched on, and iron core 2 and armature 6 are magnetized, and becomes opposite polarity two blocks of magnet, produces electromagnetic attraction between them.In the time that suction is greater than the reaction force of back-moving spring 5, armature 6 starts towards iron core 2 direction motions, and after armature 6 is drawn onto on iron core 2 through hole, drawer unit B is locked and can not be drawn out of by armature 6.And when after breaker open operation, coil 3 power-off, the electromagnetic attraction between iron core 2 and armature 6 disappears, and armature 6 turns back to original off-position under the effect of back-moving spring 5, lock release, now drawer unit B can extract out and checks and overhaul.This device utilizes electromagnetic mechanism to realize at low-voltage drawer-type power distribution cabinet in combined floodgate power transmission in the situation that, prevents that operating personnel from extracting drawer unit B to check or overhaul out the in the situation that of non-shut-brake power failure.Applying this device can increase the security performance of power distribution cabinet greatly, reduces accident potential.
The foregoing is only preferred embodiment of the present utility model, all equalizations of doing according to the utility model claim change and modify, and all should belong to covering scope of the present utility model.
Claims (6)
1. one kind for preventing low-voltage distribution cabinet operation misoperation apparatus, it is characterized in that: comprise the electromagnetic mechanism for interlock cabinet and drawer unit, described electromagnetic mechanism is made up of electromagnet and armature, and on described drawer unit and cabinet, opposite position offers respectively the hole passing through for armature.
2. one according to claim 1 is used for preventing low-voltage distribution cabinet operation misoperation apparatus, it is characterized in that: the alternating electromagnet that described electromagnet is made up of iron core and coil, the working power of described coil provides and be provided with control switch by drawer unit circuit breaker lower end.
3. one according to claim 1 and 2 is used for preventing low-voltage distribution cabinet operation misoperation apparatus, it is characterized in that: described electromagnet is fixedly installed on the support in drawer unit, and described armature is movably installed on the support in cabinet by back-moving spring.
4. one according to claim 1 and 2 is used for preventing low-voltage distribution cabinet operation misoperation apparatus, it is characterized in that: described electromagnet and armature are installed in drawer unit with integral type.
5. one according to claim 1 and 2 is used for preventing low-voltage distribution cabinet operation misoperation apparatus, it is characterized in that: described armature is alignment pin.
6. one according to claim 2 is used for preventing low-voltage distribution cabinet operation misoperation apparatus, it is characterized in that: described iron core is bar shaped or ungulate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420043815.3U CN203747276U (en) | 2014-01-24 | 2014-01-24 | Apparatus used for preventing low voltage power distribution cabinet from operating misoperation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420043815.3U CN203747276U (en) | 2014-01-24 | 2014-01-24 | Apparatus used for preventing low voltage power distribution cabinet from operating misoperation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203747276U true CN203747276U (en) | 2014-07-30 |
Family
ID=51347035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420043815.3U Withdrawn - After Issue CN203747276U (en) | 2014-01-24 | 2014-01-24 | Apparatus used for preventing low voltage power distribution cabinet from operating misoperation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203747276U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105305622A (en) * | 2015-10-26 | 2016-02-03 | 国网山东昌乐县供电公司 | Anti-misoperation distribution cabinet capable of remote control |
| CN109510095A (en) * | 2018-11-08 | 2019-03-22 | 宁波境燕机电设备有限公司 | A kind of electrically operated institution drawer locking device |
| CN114744507A (en) * | 2022-04-01 | 2022-07-12 | 江苏益宝电气科技有限公司 | Intelligent assembled low pressure GCS cubical switchboard |
-
2014
- 2014-01-24 CN CN201420043815.3U patent/CN203747276U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105305622A (en) * | 2015-10-26 | 2016-02-03 | 国网山东昌乐县供电公司 | Anti-misoperation distribution cabinet capable of remote control |
| CN109510095A (en) * | 2018-11-08 | 2019-03-22 | 宁波境燕机电设备有限公司 | A kind of electrically operated institution drawer locking device |
| CN114744507A (en) * | 2022-04-01 | 2022-07-12 | 江苏益宝电气科技有限公司 | Intelligent assembled low pressure GCS cubical switchboard |
| CN114744507B (en) * | 2022-04-01 | 2023-12-08 | 江苏益宝电气科技有限公司 | Intelligent assembled low-voltage GCS switch cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140730 Effective date of abandoning: 20220609 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20140730 Effective date of abandoning: 20220609 |