CN201466474U - Novel grounding switch operating blocking mechanism for metalclad withdraw switchgear - Google Patents
Novel grounding switch operating blocking mechanism for metalclad withdraw switchgear Download PDFInfo
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- CN201466474U CN201466474U CN2009200752366U CN200920075236U CN201466474U CN 201466474 U CN201466474 U CN 201466474U CN 2009200752366 U CN2009200752366 U CN 2009200752366U CN 200920075236 U CN200920075236 U CN 200920075236U CN 201466474 U CN201466474 U CN 201466474U
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- cabinet
- earthed switch
- blocking
- switchgear
- switch operating
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Abstract
The utility model discloses a novel grounding switch operating blocking mechanism for a metalclad withdraw switchgear, which comprises a grounding switch operating blocking device, wherein the grounding switch operating blocking device comprises a bent plate and a right panel; the blocking mechanism also comprises a blocking electromagnet; the blocking electromagnet comprises a moving core; and the moving core is connected with the lower end of the bent plate. The utility model solves the problem that the electrical safe operation regulations conflict with the equipment operating blocking mechanism, and perfects the 'five protections' interlocking mode in the metalclad withdraw switchgear. On the right front panel of the switchgear body, a grounding device emergency release hole in the position corresponding to the moving core of the blocking electromagnet performs the function of releasing the blocking of the mechanism in emergency to ensure the safety of equipment in use.
Description
Technical field:
The utility model relates to a kind of locking device, is specifically related to that a kind of to be used for improving electric operation safety ' five anti-' the novel mid-cabinet earthed switch operation locking mechanism of interlock method.
Background technology:
The full name of mid-cabinet is removed the middle metal enclosed switchgear for the armouring type, its minute three-decker, the upper strata is bus and control room (isolating mutually), the intermediate layer is a breaker chamber, lower floor is the cable vault.Because circuit breaker in the intermediate layer, is removed the middle metal enclosed switchgear so be called the armouring type, is called for short mid-cabinet.Mid-cabinet is to be used for the class switch cubicle that the terminal use uses, and function is complete, and volume is big, and major function has been two periods cutting apart, function singleness, and volume is small and exquisite; Mid-cabinet kind is many, can be divided into turnover wiretap cabinet, metering cabinet, instrument transformer cabinet, used change cabinet etc.; Switch in the mid-cabinet can be provided with automatic safety device, and when accident, protective device sends signal, makes the switch motion tripping operation, cuts off the electricity supply, and mostly that selects for use in the cabinet is VS 1 type vacuum switch cabinet,
At present, the mid-cabinet of all styles of is widely used in the electric equipment field, though the generation of electric accident and electrical equipment operation personnel's technical operation standard has direct relation, in strict accordance with the operation of electrical safety rules, can reduce and avoid the generation of electric accident effectively.But in real work, tend to occur security appliance operational procedure and the conflicting situation of operation of equipment blocking mechanism.Outlet side as the feeder cabinet of mid-cabinet is equipped with earthed switch, because earthed switch operation locking body function is arranged, cable vault's door of switch cubicle can't not opened before earthed switch closes, to prevent to be strayed into its middle charged interval, and electrical safety operation regulations, have only confirm that circuit does not have behind the electricity could splice grafting ground switch, anti-to satisfy ' five ' " preventing band point extension (closing) earth connection (earthed switch) " requirement in the chain requirement.So just must open cabinet door ability and earthed switch after electrical verification affirmation circuit does not have electricity earlier, electric operation safety rule and the conflicting situation of operation of equipment blocking mechanism so just occur.
For conflicting of the use that solves above equipment and regulations safety, so design a kind of novel mid-cabinet earthed switch operation locking mechanism that uses, it is anti-to improve mid-cabinet ' five ' interlock method.
The utility model content:
The mid-cabinet that the utility model uses at present most of electric equipments, because earthed switch operation locking body function is arranged, cable vault's door of switch cubicle can't not opened before earthed switch closes, to prevent to be strayed into its middle charged interval, electric operation safety rule and the conflicting situation of operation of equipment blocking mechanism have but appearred easily, cause unnecessary contingency, carried out rational improvement and design, thereby reach more secure when used and purpose easily.
In order to achieve the above object, the utility model adopts following technical scheme to realize:
A kind of novel mid-cabinet earthed switch operation locking mechanism comprises earthed switch operation locking device, comprises a bent plate and a right panel in this device; Described blocking mechanism also comprises a latching electromagnet, includes a moving core in the described latching electromagnet, and this moving core links to each other with the bent plate lower end.
On the described right panel with latching electromagnet in the corresponding position of moving core offer an earthed switch emergency release hole.
The diameter in described earthed switch emergency release hole is 12mm.
By this novel mid-cabinet earthed switch operation locking mechanism, above-mentioned electrical safety operation regulations and the conflicting problem of operation of equipment blocking mechanism have been solved, perfect " five prevent " interlock method of mid-cabinet.On cabinet forward right side panel, with respect to the emergency release hole of the moving position unshakable in one's determination of latching electromagnet, in emergency circumstances play the function of cancel system locking, the safety when coming assurance equipment to use.
Description of drawings:
Further specify the utility model below in conjunction with the drawings and specific embodiments.
Fig. 1 is the configuration diagram of novel mid-cabinet earthed switch operation locking mechanism.
Fig. 2 is the fundamental diagram of novel mid-cabinet earthed switch operation locking mechanism.
Embodiment:
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
As shown in Figure 1, a kind of novel mid-cabinet earthed switch operation locking mechanism is made of right panel 1, bent plate 2, earthed switch handle hole 3, operating axis 4, latching electromagnet 5 and earthed switch emergency release hole 6.Because the annexation of right panel 1 bent plate 2, earthed switch handle hole 3 and operating axis 4 is known technology, is that those skilled in the art know technology, is not given unnecessary details herein.Characteristics of the present utility model then are, the latching electromagnet 5 of mid-cabinet earthed switch operation locking mechanism lower end, one iron core 7 that link to each other with bent plate 2 lower ends or moving is arranged in the middle of it, by moving core 7 spring reset when electromagnet gets action when electric and outage, control the action of bent plate 2, play and be strayed into locking function at interval when being controlled at the operational grounding switch.And on cabinet forward right side panel 1,, also have the aperture that a diameter is 12mm with respect to moving core 7 positions of latching electromagnet 5, serve as the earthed switch emergency release hole 6 of under case of emergency, realizing the emergency release function.
As shown in Figure 2, the schematic diagram of a kind of novel mid-cabinet earthed switch operation locking mechanism, wherein, 101 represented be the latching electromagnet that connects in the line.
When this utility model is worked, be retracted into test position behind the breaker open operation, before carrying out the earthed switch closing operation, detect the high pressure model by the high pressure sensor that is installed on the earthed switch earlier, and testing result is sent to the charged display unit of pressure type, by the signal in the charged display unit of pressure type, relatively its loop determines whether high tension loop is charged.If high tension loop is not charged, the locking contact contact of the charged display unit of pressure type, latching electromagnet on the blocking mechanism begins action, the wire loop energized of latching electromagnet, the adhesive moving unshakable in one's determination of electromagnet, the bent plate of earthing switch operating mechanism interlock is opened, and can close a floodgate by the operational grounding switch; Charged as high tension loop, the locking of the inner locking contact of the charged display unit of pressure type, latching electromagnet outage on the blocking mechanism, the moving core of electromagnet is because of spring reset, the bent plate akinesia of locking operating mechanism interlock, thereby can not the operational grounding switch, play prevention and be strayed into locking function at interval.In addition, earthed switch emergency release hole is then used as unlocking function in case of emergency.
By this novel mid-cabinet earthed switch operation locking mechanism, above-mentioned electrical safety operation regulations and the conflicting problem of operation of equipment blocking mechanism have been solved, perfect " five prevent " interlock method of mid-cabinet.Thereby also effectively reduced, avoided the generation of unnecessary electric contingency.
More than showing and described basic principle of the present utility model and principal character and advantage of the present utility model. the technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope. and the claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (3)
1. a novel mid-cabinet earthed switch operation locking mechanism comprises earthed switch operation locking device, comprises a bent plate and a right panel in this device; It is characterized in that described blocking mechanism also comprises a latching electromagnet, include a moving core in the described latching electromagnet, this moving core links to each other with the bent plate lower end.
2. a kind of novel mid-cabinet earthed switch operation locking according to claim 1 mechanism is characterized in that, on the described right panel with latching electromagnet in the corresponding position of moving core offer an earthed switch emergency release hole.
3. a kind of novel mid-cabinet earthed switch operation locking according to claim 2 mechanism is characterized in that the diameter in described earthed switch emergency release hole is 12mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200752366U CN201466474U (en) | 2009-07-24 | 2009-07-24 | Novel grounding switch operating blocking mechanism for metalclad withdraw switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200752366U CN201466474U (en) | 2009-07-24 | 2009-07-24 | Novel grounding switch operating blocking mechanism for metalclad withdraw switchgear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201466474U true CN201466474U (en) | 2010-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200752366U Expired - Fee Related CN201466474U (en) | 2009-07-24 | 2009-07-24 | Novel grounding switch operating blocking mechanism for metalclad withdraw switchgear |
Country Status (1)
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|---|---|
| CN (1) | CN201466474U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102024587A (en) * | 2010-12-13 | 2011-04-20 | 山东电力集团公司泰安供电公司 | Hard locking device for high-voltage metering cabinet |
| CN104037580A (en) * | 2013-03-06 | 2014-09-10 | 珠海优特电力科技股份有限公司 | Misoperation-preventing intelligent ground wire lock, misoperation-preventing control system and control method |
| CN106229877A (en) * | 2016-08-31 | 2016-12-14 | 陈志源 | A kind of 35kV switch cubicle isolation baffle plate electric locking device |
| CN106253118A (en) * | 2016-08-31 | 2016-12-21 | 陈志源 | A kind of 10kV wheelbarrow switch isolation baffle plate electric locking device |
| CN106876192A (en) * | 2017-02-28 | 2017-06-20 | 广州白云电器设备股份有限公司 | A kind of interlock for improving latching electromagnet service life in switch cubicle |
| CN108831780A (en) * | 2018-08-31 | 2018-11-16 | 广东绿网新能源科技有限公司 | Twin-shaft machinery interlock and its interlocking method |
-
2009
- 2009-07-24 CN CN2009200752366U patent/CN201466474U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102024587A (en) * | 2010-12-13 | 2011-04-20 | 山东电力集团公司泰安供电公司 | Hard locking device for high-voltage metering cabinet |
| CN102024587B (en) * | 2010-12-13 | 2013-03-27 | 山东电力集团公司泰安供电公司 | Hard locking device for high-voltage metering cabinet |
| CN104037580A (en) * | 2013-03-06 | 2014-09-10 | 珠海优特电力科技股份有限公司 | Misoperation-preventing intelligent ground wire lock, misoperation-preventing control system and control method |
| CN104037580B (en) * | 2013-03-06 | 2016-01-06 | 珠海优特电力科技股份有限公司 | Prevent misoperation Intelligent earth wire from locking, preventing misoperation control system and control method |
| CN106229877A (en) * | 2016-08-31 | 2016-12-14 | 陈志源 | A kind of 35kV switch cubicle isolation baffle plate electric locking device |
| CN106253118A (en) * | 2016-08-31 | 2016-12-21 | 陈志源 | A kind of 10kV wheelbarrow switch isolation baffle plate electric locking device |
| CN106876192A (en) * | 2017-02-28 | 2017-06-20 | 广州白云电器设备股份有限公司 | A kind of interlock for improving latching electromagnet service life in switch cubicle |
| CN108831780A (en) * | 2018-08-31 | 2018-11-16 | 广东绿网新能源科技有限公司 | Twin-shaft machinery interlock and its interlocking method |
| CN108831780B (en) * | 2018-08-31 | 2024-02-23 | 广东绿网新能源科技有限公司 | Double-shaft mechanical interlocking device and interlocking method thereof |
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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: 20100512 Termination date: 20150724 |
|
| EXPY | Termination of patent right or utility model |