CN101864872B - Noiseless electromagnetic lock for preventing misoperation of high-pressure switchgear - Google Patents
Noiseless electromagnetic lock for preventing misoperation of high-pressure switchgear Download PDFInfo
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- CN101864872B CN101864872B CN 201010197366 CN201010197366A CN101864872B CN 101864872 B CN101864872 B CN 101864872B CN 201010197366 CN201010197366 CN 201010197366 CN 201010197366 A CN201010197366 A CN 201010197366A CN 101864872 B CN101864872 B CN 101864872B
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Abstract
The invention relates to a noiseless electromagnetic lock for preventing the misoperation of a a high-pressure switchgear, belonging to an electromagnetic lock for a high-pressure switchgear and aiming at the problem of environmental pollution caused by electromagnetic interference noise by a traditional electromagnetic lock when accessing an AC power supply. The noiseless electromagnetic lock for preventing the misoperation of the high-pressure switchgear comprises a movable lock plunger assembly, an electromagnet assembly, a travel switch, an unlocking assembly and a locking assembly and is characterized in that a rectifier element is arranged in an electromagnet coil circuit in the electromagnet assembly. Proved by trials, the invention has the technical operation scheme in accordance with five-prevention requirements and has the advantages of reasonable structure, safety and reliability; the electromagnetic lock in operation does not produce noise or generate electromagnetic interference noise to pollute the environment and provides operators on duty with a quiet working environment particularly at quiet night.
Description
Technical field: the invention belongs to the electromagnetic lock that high voltage switchgear equipment is used, particularly a kind of Noiseless electromagnetic lock that prevents that misoperation of high-pressure switchgear from using.
Background technology:, must just can reach: prevent mistake drawing switch, prevent on-load drawing isolation switch, prevent mistakenly entering charged chamber, prevent charged hanging ground-wire, prevent " five is anti-" requirement of switching on earth wire in strict accordance with the safety operation program of industry regulation to the operation of high voltage switchgear equipment.And the electromagnetic lock that existing various high voltage switchgear equipment is used adapts to this code requirement just; With cooperating of the frame for movement of lockset and key; Forcibly make operating personnel can only according to set procedure operation high voltage switchgear equipment, thereby guarantee the enforcement that " five is anti-" requires.
Documents 1 is the patent application case of publication number CN101230768, discloses a kind of electromagnetic lock, comprises lock frame, electromagnetic coil, the conducting magnet core that has iron core return-spring, dead bolt and pintle hook lock; It is characterized in that: said dead bolt has locking projection that a locking trough that is used for fastening with pintle hook lock, one be used for fastening with conducting magnet core and one and is used for the change one's profession locating convex block of journey of limited lock gyrus lingulais in the form of sheets; Dead bolt is installed on an end of conducting magnet core through a cantilever perpendicular to its sheet plane, and said locking projection and conducting magnet core one end fasten, and said locking trough is mutually opposed with pintle hook lock; Cantilever is with a dead bolt back-moving spring outward, and an end of this dead bolt back-moving spring is connected with dead bolt, and the other end is connected with the lock frame.
Document 1 disclosed electromagnetic lock structure is complicated, causes operational reliability to descend; Secondly, the electromagnetic coil of document 1 disclosed electromagnetic lock can send the electromagnetic interference noise and cause environment pollution when inserting AC power commonly used, and is especially at environment quiet night, even more serious to the harm that operating personnel on duty cause.
This shows that design and a kind of meeting " five anti-" require, rational in infrastructure, reliable the preventing Noiseless electromagnetic lock that misoperation of high-pressure switchgear is used is necessary.
Summary of the invention: the objective of the invention is to overcome the deficiency of prior art, design and a kind of meeting " five anti-" require, rational in infrastructure, reliable prevent the Noiseless electromagnetic lock that misoperation of high-pressure switchgear is used.
The present invention seeks to realize like this: a kind of Noiseless electromagnetic lock that prevents that misoperation of high-pressure switchgear from using; Comprise the lock housing; Be matched with the lock panel of lock housing; It is characterized in that locking the housing internal upper part and be designed with the bolt assembly that the lock housing sidewall is passed in forward and backward end; Lock right lower quadrant in the housing, be designed with the electromagnet assembly that is matched with the bolt assembly, lock lower left quarter in the housing, be designed with the travel switch that is matched with electromagnet assembly, lock the interior middle part of housing, be designed with the assembly of unblanking that is matched with travel switch and bolt assembly; Lock on the interior bolt assembly of housing, be designed with unlock component, be in series with rectifier cell in the electromagnet coil circuit in the electromagnet assembly near back side of panel.In the circuit of electromagnet coil, insert rectifier element,, make the alternating current of the electromagnet coil of originally flowing through become direct current, thereby also just can not send the electromagnetic interference noise like bridge rectifier.
The object of the invention can also take following technical measures to realize:
Described bolt assembly is passed the bolt of lock housing sidewall by forward and backward end; Be socketed on the back-moving spring of bolt rearward end; The bolt neck is provided with spacing rank near electromagnetic lock assembly place, and the bolt middle part is provided with near the assembly place of unblanking and stirs the groove composition.
Described electromagnet assembly is matched with the electromagnet rear assembly of electromagnet front assembly by the electromagnet front assembly that is matched with the spacing rank of bolt neck, forms around the electromagnet coil of electromagnet front and rear portions assembly.Described electromagnet front assembly passes and is fixed in the fore-set at electromagnet cylinder center by the electromagnet cylinder, and socket and the limiting plate that is fixed in the fore-set front end are formed.Described electromagnet rear assembly is identical with the electromagnet cylinder by external diameter, the tubular electromagnetic actuation body of inner chamber; One end presses closer in the fore-set rear end, is positioned at the top spring of electromagnetic actuation intracoelomic cavity, and the clamp that be positioned at the top spring other end, is fixed in electromagnetic actuation body rear end is formed.When electromagnetic lock was in locking states, clamp withstood the top spring, and the top spring presses closer in the fore-set rear end, and the fore-set front end that stretches out in limiting plate is stuck in the spacing rank of bolt neck near electromagnetic lock assembly place just, and bolt is lockable and can't moves; When but electromagnetic lock is in opening; Alive electromagnet coil produces electromagnetic force; With the electromagnet cylinder adhesive of electromagnet front assembly on the electromagnetic actuation body of electromagnet rear assembly, after the electromagnet cylinder that moves drive the fore-set that is fixed in its center, the fore-set front end moves behind the spacing rank of bolt neck near the electromagnetic lock assembly; Bolt is not lockable, and electromagnetic lock can be opened smoothly under the cooperation of the assembly of unblanking.
Described travel switch is by the Switch main body spare that is series at electromagnet coil, and the switch push rod that is matched with the assembly of unblanking is formed.
The described fan-shaped pressing board of assembly of unblanking by the switch push rod that is matched with travel switch; The column that fan-shaped pressing board is fixed in the center core bar of unblanking; Its upper end of core bar of unblanking is commonly referred to button; Be socketed on the hollow barrel core bar cover of the core bar periphery of unblanking versatilely, be positioned at core bar cover middle part sidewall, fan-shaped pressing board is carried out spacing stopper slot, the stage clip between bottom core bar lower end and the core bar cover of unblanking; Be fixed in the driving lever of stirring groove that core bar cover bottom, its end snap in the bolt assembly, be socketed on the handle of unblanking the core bar upper periphery and being fixed in the core bar set upper side versatilely and form.Operating personnel press its upper end of core bar of unblanking earlier when carrying out unlock operation, promptly press the button; The fan-shaped pressing board that is fixed in the center press down thereupon travel switch the switch push rod, travel switch is connected the electric current through electromagnet coil, electromagnet coil produces electromagnetic force; With the electromagnet cylinder adhesive of electromagnet front assembly on the electromagnetic actuation body of electromagnet rear assembly, after the electromagnet cylinder that moves drive the fore-set that is fixed in its center, the fore-set front end moves behind the spacing rank of bolt neck near electromagnet assembly; Bolt is not lockable; Swing handle, the core bar cover that is fixed on the handle rotates thereupon, is positioned at the driving lever of stirring groove that core bar cover bottom, its end snap in bolt and also rotates thereupon; Move after ordering about bolt, electromagnetic lock is opened smoothly.
Described unlock component is by the lock body of separating that is fixed in back side of panel; Separate lock body and be close to the release keyhole that the panel place is provided with; Separate lock body near the side of electromagnet front assembly, be provided with the release keyhole become vertical communicate separate the key groove, the unlock key that is matched with the release keyhole and separates the key groove is formed.No current exists in the electromagnetic lock circuit, in the time of again must emergency release, from the caretaker unlock key is close to the release keyhole, is inserted in the unlock hole offered from lock panel; Through separate lock body be close to release keyhole that the panel place is provided be inserted into the release keyhole become vertical communicate separate the key trench bottom; Rotate unlock key, the raised body of its head is oppressed the socket of electromagnet front assembly and is fixed in the limiting plate of fore-set front end, and the fore-set that is fixed on the limiting plate moves behind the spacing rank of bolt neck near the electromagnetic lock assembly with limiting plate thereupon; Bolt is not lockable; Swing handle, the core bar cover that is fixed on the handle rotates thereupon, is positioned at the driving lever of stirring groove that core bar cover bottom, its end snap in bolt and also rotates thereupon; Move after ordering about bolt, electromagnetic lock is opened smoothly.
Be close to release keyhole place on the described lock panel, offer and the on all four unlock hole of release keyhole shape; Lock panel is close to the electromagnet coil place and is provided with and is electrically connected at the indicator lamp in the electromagnet coil circuit; Lock panel offers grip hole near place, core bar set upper side; Lock panel is provided with handle rotation direction arrow symbol near the grip hole place, and four jiaos of back sides of lock panel are provided with and install and fix the securing member that electromagnetic lock is used.
The present invention implements the Noiseless electromagnetic lock that misoperation of high-pressure switchgear is used that prevents obtain, demonstrates following beneficial effect through on probation:
1, its technical operation scheme meets " five is anti-" requirement, and is rational in infrastructure, safe and reliable.Indicator lamp on the electromagnetic lock panel is bright, shows that high voltage switchgear equipment such as high-tension switch cabinet stop normal operation, do not have high-tension electricity in the high voltage switchgear equipment; Open the cabinet door like need and carry out the operation that " five anti-" require and satisfy the requirements, operating personnel press its upper end of core bar of unblanking earlier when carrying out unlock operation; Promptly press the button; The fan-shaped pressing board that is fixed in the center press down thereupon travel switch the switch push rod, travel switch is connected the electric current through electromagnet coil, electromagnet coil produces electromagnetic force; With the electromagnet cylinder adhesive of electromagnet front assembly on the electromagnetic actuation body of electromagnet rear assembly; After the electromagnet cylinder that moves drive the fore-set that is fixed in its center, the fore-set front end moves behind the spacing rank of bolt neck near the electromagnetic lock assembly, bolt is not lockable; Swing handle, the core bar cover that is fixed on the handle rotates thereupon, is positioned at the driving lever of stirring groove that core bar cover bottom, its end snap in bolt and also rotates thereupon, moves after ordering about bolt, and electromagnetic lock is opened smoothly.Indicator lamp on the electromagnetic lock panel is not bright; Show that high voltage switchgear equipment such as high-tension switch cabinet normally move; Have high-tension electricity in the high voltage switchgear equipment; Do not possess and carry out the operating condition that " five is anti-" requires, the operator can't open high-tension switch cabinet cabinet door, thereby has guaranteed the practical enforcement that " five is anti-" requires by the strong hand; Open the cabinet door like need and overhaul, the maintainer must launch the unlock key that upper management person just holds, and could open the cabinet door through the electromagnetic lock unlock assembly.
2, realized electromagnetic lock operation noiseless, can not send the electromagnetic interference noise and cause environment pollution, especially, given the operators quiet working environment at environment quiet night.Compare with documents 1 disclosed prior art; In the circuit of electromagnet coil, insert rectifier element; Like bridge rectifier; Make the alternating current of the electromagnet coil of originally flowing through become direct current, thereby also just can not send the electromagnetic interference noise, must give the operators quiet working environment.
Description of drawings: Fig. 1 is the sketch map that meets thematic structure of the present invention; Fig. 2 is the schematic side view of thematic structure of the present invention; Fig. 3 is the lock panel structural representation.Among the figure: lock shell 1; Bolt assembly 2: bolt 21, back-moving spring 22, spacing rank 23, stir groove 24; Electromagnet assembly 3: electromagnet front assembly 31, electromagnet cylinder 311, fore-set 312, limiting plate 313, electromagnet rear assembly 32, electromagnetic actuation body 321, top spring 322, clamp 323, electromagnet coil 33, rectifier cell 34; Travel switch 4: Switch main body spare 41, switch push rod 42; The assembly 5 of unblanking: fan-shaped pressing board 51, lock core pole 52, core bar cover 53, stopper slot 54, stage clip 55, driving lever 56, handle 57; Unlock component 6: separate lock body 61, release keyhole 62, separate key groove 63; Lock panel 7: unlock hole 71, indicator lamp 72, grip hole 73, arrow 74, securing member 75.Fig. 4 is an electromagnetic lock circuit connection sketch map.Among the figure: indicator lamp D, current-limiting resistance R, travel switch K, electromagnet coil T, rectifier Z.
The specific embodiment: with implementation detail explanation of the present invention as follows below in conjunction with symbol figure:
Like Fig. 1,2, shown in 3; A kind of Noiseless electromagnetic lock that prevents that misoperation of high-pressure switchgear from using; Comprise lock housing 1; Be matched with the lock panel 7 of lock housing, it is characterized in that locking the housing internal upper part and be designed with the bolt assembly 2 that the lock housing sidewall is passed in forward and backward end, lock right lower quadrant in the housing, be designed with the electromagnet assembly 3 that is matched with the bolt assembly; Lock lower left quarter in the housing, be designed with the travel switch 4 that is matched with electromagnet assembly; Lock middle part in the housing, be designed with the assembly 5 of unblanking that is matched with travel switch and bolt assembly, lock on the interior bolt assembly of housing, be designed with unlock component 6, be provided with rectifier cell 34 in electromagnet coil 33 circuit in the electromagnetic lock assembly near back side of panel.
Described bolt assembly 2 is passed the bolt 21 of lock housing sidewall by forward and backward end; Be socketed on the back-moving spring 22 of bolt rearward end; The bolt neck is provided with spacing rank 23 near the electromagnet assembly place, and the bolt middle part is provided with near the assembly place of unblanking and stirs groove 24 compositions.
Described electromagnet assembly 3 is matched with the electromagnet rear assembly 32 of electromagnet front assembly by the electromagnet front assembly 31 that is matched with the spacing rank of bolt neck, forms around the electromagnet coil 33 of electromagnet front and rear portions assembly.
Described travel switch 4 is by the Switch main body spare that is series at electromagnet coil 41, and the switch push rod 42 that is matched with the assembly of unblanking is formed.
The described fan-shaped pressing board 51 of assembly 5 of unblanking by the switch push rod that is matched with travel switch; The column that fan-shaped pressing board is fixed in the center core bar 52 of unblanking; Be socketed on the hollow barrel core bar cover 53 of the core bar periphery of unblanking versatilely; Be positioned at core bar cover middle part sidewall, fan-shaped pressing board is carried out spacing stopper slot 54; At the stage clip 55 of unblanking between core bar lower end and the core bar cover bottom, be fixed in core bar cover bottom, its end snaps in the driving lever 56 of stirring groove on the bolt, be socketed on the handle 57 of unblanking the core bar upper periphery and being fixed in the core bar set upper side versatilely and form.
Described unlock component 6 is separated lock body 61 by what be fixed in back side of panel; Separate lock body and be close to the release keyhole 62 that the panel place is provided with; Separate lock body near the side of electromagnet front assembly, be provided with the release keyhole become vertical communicate separate key groove 63, the unlock key that is matched with the release keyhole and separates the key groove is formed.
Be close to release keyhole place on the described lock panel 7, offer and the on all four unlock hole 71 of release keyhole shape; Lock panel is close to the electromagnet coil place and is provided with and is electrically connected at the indicator lamp 72 in the electromagnet coil circuit; Lock panel offers grip hole 73 near place, core bar set upper side; Lock panel is provided with handle rotation direction arrow symbol 74 near the grip hole place, and four jiaos of back sides of lock panel are provided with and install and fix the securing member 75 that electromagnetic lock is used.
Described electromagnet front assembly 31 passes and is fixed in the fore-set 312 at electromagnet cylinder center by electromagnet cylinder 311, and socket and the limiting plate 313 that is fixed in the fore-set front end are formed.
Described electromagnet rear assembly 32 is identical with the electromagnet cylinder by external diameter, the tubular electromagnetic actuation body 321 of inner chamber; One end presses closer in the fore-set rear end, is positioned at the top spring 322 of electromagnetic actuation intracoelomic cavity, and the clamp 323 that be positioned at the top spring other end, is fixed in electromagnetic actuation body rear end is formed.
As shown in Figure 4, said Z rectifier cell 34 is selected bridge rectification device for use.Like commercially available DB107 bridge rectifier.Among the figure, when travel switch K was in normally open, the direct current behind the bridge rectifier was lighted indicator lamp D, but can't be started electromagnet after current-limiting resistance R current limliting, with the Weak current that is not enough to start electromagnet flow through indicator lamp D, electromagnet coil T; When travel switch K is in closure state; The overwhelming majority in the direct current behind the bridge rectifier electromagnet coil T that directly flows through; Electromagnet is activated adhesive, the adhesive of electromagnet cylinder on the electromagnetic actuation body, after the electromagnet cylinder that moves drive the fore-set that is fixed in its center; The fore-set front end moves behind the spacing rank of bolt neck near the electromagnetic lock assembly, and bolt is not lockable; Swing handle, the core bar cover that is fixed on the handle rotates thereupon, is positioned at the driving lever of stirring groove that core bar cover bottom, its end snap in bolt and also rotates thereupon, moves after ordering about bolt, and electromagnetic lock is opened smoothly.
The present invention implements the Noiseless electromagnetic lock that misoperation of high-pressure switchgear is used that prevents obtain, the cabinet door lock that is mainly used in the high-tension switch cabinet that is applicable to that " five is anti-" requires closes and opens.Only need on mounting means, to change a little, be suitable as handcart cabinet isolating switch, disconnecting link gauge tap, grounding wire gauge tap in " five is anti-" requirement equally.
Claims (1)
1. Noiseless electromagnetic lock that prevents that misoperation of high-pressure switchgear from using; Comprise lock housing (1); Be matched with the lock panel (7) of lock housing; It is characterized in that locking the housing internal upper part and be designed with the bolt assembly (2) that the lock housing sidewall is passed in forward and backward end, lock right lower quadrant in the housing, be designed with the electromagnet assembly (3) that is matched with the bolt assembly, lock lower left quarter in the housing, be designed with the travel switch (4) that is matched with electromagnet assembly; Lock middle part in the housing, be designed with the assembly of unblanking (5) that is matched with travel switch and bolt assembly; Lock on the interior bolt assembly of housing, be designed with unlock component (6), be in series with rectifier cell (34) in the electromagnet coil in the electromagnetic lock assembly (33) circuit near back side of panel
It is characterized in that the fan-shaped pressing board (51) of the described assembly of unblanking (5) by the switch push rod that is matched with travel switch; The column that the middle part the is fixed with fan-shaped pressing board core bar (52) of unblanking; Be socketed on the hollow barrel core bar cover (53) of the core bar periphery of unblanking versatilely; Be positioned at core bar cover middle part sidewall, fan-shaped pressing board is carried out spacing stopper slot (54); At the stage clip (55) of unblanking between core bar lower end and the core bar cover bottom, be fixed in core bar cover bottom, its end snaps in the driving lever (56) of stirring groove on the bolt, be socketed on the handle (57) of unblanking the core bar upper periphery and being fixed in the core bar set upper side versatilely and form;
Described unlock component (6) is separated lock body (61) by what be fixed in back side of panel; Separate lock body and be close to the release keyhole (62) that the panel place is provided with; Separate lock body near the side of electromagnet front assembly, be provided with the release keyhole become vertical communicate separate key groove (63), the unlock key that is matched with the release keyhole and separates the key groove is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010197366 CN101864872B (en) | 2010-06-11 | 2010-06-11 | Noiseless electromagnetic lock for preventing misoperation of high-pressure switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010197366 CN101864872B (en) | 2010-06-11 | 2010-06-11 | Noiseless electromagnetic lock for preventing misoperation of high-pressure switchgear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101864872A CN101864872A (en) | 2010-10-20 |
| CN101864872B true CN101864872B (en) | 2012-12-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010197366 Expired - Fee Related CN101864872B (en) | 2010-06-11 | 2010-06-11 | Noiseless electromagnetic lock for preventing misoperation of high-pressure switchgear |
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| CN (1) | CN101864872B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102605994B (en) * | 2012-03-26 | 2015-09-16 | 镇江泰源电器科技有限公司 | High voltage switchgear equipment electromagnetic lock housing and manufacture method thereof |
| CN102877712B (en) * | 2012-10-31 | 2015-08-12 | 镇江华驰电器有限公司 | A kind of program electromagnetic lock network door lock |
| CN112213575B (en) * | 2020-09-08 | 2022-08-30 | 国网福建省电力有限公司检修分公司 | Electrical test prevents accidental injury device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2286230Y (en) * | 1996-02-28 | 1998-07-15 | 姜治国 | Electromagnetic programme lock |
| CN101538959A (en) * | 2009-03-17 | 2009-09-23 | 陈有明 | Safety electromagnetic lock for high-voltage switchgear |
| CN201406892Y (en) * | 2009-04-13 | 2010-02-17 | 浙江纪元电气集团有限公司 | AC/DC electromagnetic lock |
| CN201763071U (en) * | 2010-06-11 | 2011-03-16 | 镇江泰源电器科技有限公司 | Noiseless electromagnetic lock for preventing misoperation of high-voltage switchgear |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH653400A5 (en) * | 1981-06-17 | 1985-12-31 | Bauer Kaba Ag | LOCK CYLINDER. |
-
2010
- 2010-06-11 CN CN 201010197366 patent/CN101864872B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2286230Y (en) * | 1996-02-28 | 1998-07-15 | 姜治国 | Electromagnetic programme lock |
| CN101538959A (en) * | 2009-03-17 | 2009-09-23 | 陈有明 | Safety electromagnetic lock for high-voltage switchgear |
| CN201406892Y (en) * | 2009-04-13 | 2010-02-17 | 浙江纪元电气集团有限公司 | AC/DC electromagnetic lock |
| CN201763071U (en) * | 2010-06-11 | 2011-03-16 | 镇江泰源电器科技有限公司 | Noiseless electromagnetic lock for preventing misoperation of high-voltage switchgear |
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| CN101864872A (en) | 2010-10-20 |
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Effective date of registration: 20201218 Address after: Chunhua Town Industrial Park, Boxing County, Binzhou City, Shandong Province Patentee after: Shandong Boxing Shengli Technology Co.,Ltd. Address before: 212126 Zhenjiang City, Jiangsu province Dantu District No. 389 West Yan Fu Rong Bingzhen Patentee before: ZHENJIANG TAIYUAN ELECTRICAL APPLIANCE TECHNOLOGY Co.,Ltd. |
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