CN202059053U - Safety protective lockset of high-voltage electrical switch cabinet - Google Patents
Safety protective lockset of high-voltage electrical switch cabinet Download PDFInfo
- Publication number
- CN202059053U CN202059053U CN2011201458042U CN201120145804U CN202059053U CN 202059053 U CN202059053 U CN 202059053U CN 2011201458042 U CN2011201458042 U CN 2011201458042U CN 201120145804 U CN201120145804 U CN 201120145804U CN 202059053 U CN202059053 U CN 202059053U
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- electron key
- blocking mechanism
- electronic key
- voltage
- lockset
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Abstract
The utility model relates to a safety protective lockset of a high-voltage electrical switch cabinet. The safety protective lockset comprises a locking mechanism and an electronic key, wherein the locking mechanism comprises an electrified detection circuit, a separation blade, an electromagnetic lock, a high-voltage electrified indicator light, an electronic key jack, a sensing signal wire and an earth wire; the electronic key comprises an electricity testing circuit, a storage battery, an unlocking button, an electric quantity indicator light and a three-core plug; the three-core plug of the electronic key can be inserted into the electronic key jack of the locking mechanism for matching use; when the three-core plug of the electronic key is inserted into the electronic key jack of the locking mechanism, the storage battery of the electronic key can supply power to the locking mechanism; the safety protective lockset of the high-voltage electrical switch cabinet also comprises a high-voltage sensor for detecting high voltage; and the high-voltage sensor is connected with the sensing signal wire of the locking mechanism, so as to input a detected signal representing the existence or the nonexistence of high voltage to the electrified detection circuit.
Description
Technical field
The utility model relates to a kind of security protection lockset, especially for five anti-anti-misoperation locking devices of the safety features of high-tension switch cabinet.
Background technology
In electric power system,, cause serious accidents such as loss of life or personal injury, system's large-area power-cuts and device damage if the anti-measure imperfection that opens by mistake of high-voltage board then misoperation may take place.At present, the safety features electrification in high voltage locking device of domestic high-tension switch cabinet only has simple and mechanical blocking function, does not reach electric
Switch cubicle five anti-requirements, high temperature is on fire not to monitor and warning function also there is not the alarm for high voltage function when high-voltage board internal cause fault causes, and also has the problem of poor stability in addition, can not satisfy the actual needs of high-tension switch cabinet.
At the defective of above-mentioned existence, one of solution is to adopt the locking device of electrification in high voltage testing circuit, by the high pressure power taking, whether high pressure is arranged in the sense switch cabinet, allows to open electromagnetic lock according to having or not high pressure to determine whether then.
Chinese patent ZL02283589.X discloses a kind of " the charged demonstration locking device of induction-type high-voltage ", this device needs external 220V power supply, this locking device is not suitable for the switch cubicle that does not have low-tension supply, and the release of this device is more loaded down with trivial details, electrical verification and release can not once be finished, bring the loaded down with trivial details relation of electrical verification information and release mechanism, should not operate, also had potential safety hazard.
Summary of the invention
The utility model purpose provides the safeguard protection of high-tension switch cabinet, and a kind of five anti-anti-misoperation locking devices with five anti-anti mis-closedown functions are provided, and promptly prevents the on-load branch, closes isolating switch; Prevent that mistake from dividing, mistake is closed circuit breaker, on-load switch, contactor; Prevent to close when earthed switch is in the close position and close circuit breaker, load
Switch; Prevent at charged mistiming splice grafting ground switch; Prevent mistakenly entering charged chamber.This device separates blocking mechanism with unlocking mechanism, blocking mechanism must not be provided with power supply specially, can finish and detect high pressure and anti mis-closedown function, unlocking function when unlocking mechanism only can be finished no high pressure by storage battery power supply.Device has compact conformation, reliable operation, advantage such as easy to use, has satisfied the actual demand of high-tension switch cabinet.
For solving above-mentioned technical problem, the utility model provides a kind of high-voltage electrical apparatus switch cubicle security protection lockset, and described high-voltage electrical apparatus switch cubicle security protection lockset comprises blocking mechanism and electron key, it is characterized in that:
Described blocking mechanism comprises charged testing circuit, catch, electromagnetic lock, electrification in high voltage indicator light, electron key jack, transducing signal line and ground wire;
Described electron key comprises electrical circuit inspection, storage battery, unlock button, electric weight indicator light and three-prong plug;
The three-prong plug of described electron key is used among can being inserted into the electron key jack of described blocking mechanism, when the three-prong plug of described electron key was inserted among the electron key jack of described blocking mechanism, the storage battery of electron key can be described blocking mechanism power supply;
Described high-voltage electrical apparatus switch cubicle security protection lockset also comprises the high pressure sensor that detects high pressure, and described high pressure sensor links to each other with the transducing signal line of blocking mechanism, and the signal whether detected high pressure is existed is input to charged testing circuit.
In technique scheme, described blocking mechanism is installed in the high-tension switch cabinet, and the electromagnetic lock of described blocking mechanism comprises compositions such as low-power consumption bistable electro-magnet and rotation axis; Described electron key is a portable set, directly by storage battery power supply.
In technique scheme, described electromagnetic lock also comprises the lockable mechanism of control closedown structure and electron key release and blocking.
The utility model has been obtained following technique effect:
1. five anti-anti-misoperation locking devices reach " five the is anti-" requirement in the high-tension switch cabinet, solve the difficulties that multiple switch cubicle such as current high-tension switch cabinet is difficult to improve five anti-mechanisms.
2. adopt the anti-misoperation locking device of locking device and electron key combination, device need not outside and in-line power, only has that portable electronic is key operated to get final product, and has solved the problem that does not have low-tension supply in the high-tension switch cabinet.
3. carry out high voltage testing, forced blocking during high pressure only needs the unlock button on the electron key can finish release, operating aspect when not having high pressure.
4. charged testing circuit carries out high pressure and detects, and can show in real time to have or not high pressure, when confirming no high pressure, just carries out unlocking operation, has further improved fail safe.
5. the design of this device is ingenious, and applied range not only can be applied to the anti-misoperation locking in the high-tension switch cabinet, and can be provided at anti mis-closedown function in the electric power system power distribution automation.
6. from economic angle, the utility model has saved as outside or internal electric source, and equipment such as professional high pressure monitoring have been saved cost greatly.
7. on stability and life cycle, the utility model adopts low-power consumption bistable electro-magnet and movable locking plate, a Battery pack can be finished nearly 2500 unlocking functions in the electron key, it is short to have solved life cycle, problem of unstable, controller switching equipment stability is strengthened greatly, and life cycle increases.
8. on practicality, the utility model has reached five requirements of preventing in the regulator cubicle, and the device design is light and handy, simple, applied range, has characteristics such as practicality and generality.
Description of drawings
Fig. 1 is the structural representation of five anti-anti-misoperation locking devices;
Fig. 2 is a blocking mechanism internal structure schematic diagram;
Fig. 3 is a blocking mechanism front-panel structure schematic diagram;
Fig. 4 is the schematic diagram that blocking mechanism is in released state;
Fig. 5 is the schematic diagram that blocking mechanism is in blocking;
Fig. 6 is an electron key internal structure schematic diagram;
Fig. 7 is an electron key front-panel structure schematic diagram;
Fig. 8 is an electron key back board structure schematic diagram.
Mark among the figure: 11-blocking mechanism; 12 1 charged testing circuits; The 13-catch; The 14-electromagnetic lock; 15-electrification in high voltage indicator light; 17-electron key jack; 18-transducing signal line; The 19-ground wire; The 20-electrical circuit inspection; The 21-electric power storage also; The 22-unlock button; 23-electric weight indicator light; The 24-three-prong plug; The 25-electron key; 28-blocking mechanism front panel; The 29-electromagnet; The A-released state; The B-blocking.
Embodiment
Understand and enforcement the utility model for the ease of those of ordinary skills, the utility model is described in further detail below in conjunction with the drawings and the specific embodiments.
Shown in Fig. 1-8, high-voltage electrical apparatus switch cubicle security protection lockset is a kind of five anti-anti-misoperation locking devices, and this five anti-anti-misoperation locking device comprises blocking mechanism 11 and electron key 25; Wherein, blocking mechanism 11 comprises charged testing circuit 12, catch 13, electromagnetic lock 14, electrification in high voltage indicator light 15, electron key jack 17, transducing signal line 18, ground wire 19; Wherein, electron key 25 comprises electrical circuit inspection 20, storage battery 21, unlock button 22, electric weight indicator light 23 and three-prong plug 25; Link to each other by the three-prong plug 14 of electron key 25 and the electron key jack 17 of blocking mechanism 11 between blocking mechanism 11 and the electron key 25, three-prong plug 14 is used among can being inserted into electron key jack 17.The transducing signal line 18 that the signal of high pressure sensor inserts blocking mechanism 11 detects, and when having detected high pressure, electromagnetic lock 14 not releases are in the blocking among Fig. 5 this moment; When detecting no high pressure, electromagnetic lock 14 can release, by unlock button on the electron key 22, realizes electromagnetic lock 14 releases, is in the released state among Fig. 4 this moment, and the catch 13 during the release success in the blocking mechanism 11 are opened.Wherein blocking mechanism 11 is installed in the high-tension switch cabinet, and blocking mechanism 11 need not outside or internal electric source, and action element is made up of low-power consumption bistable electro-magnet 29 and active blade 13; Electron key 25 is portable sets, directly adopts storage battery power supply, can be carried by the engineering staff.Adopt this device, can reach five requirements of preventing in the power distribution cabinet, realize electrical verification, unlocking function.
Wherein charged testing circuit 12 is made up of the timing power-on circuit, and regularly power-on circuit is connected release circuit and carried out electromagnetic lock 14 releases when obtaining unlock command; Charged testing circuit 12 can show by electrification in high voltage indicator light 15 when detecting high pressure.
Wherein electromagnetic lock 14 is made up of bistable electro-magnet 29 and rotation axis etc., during electromagnet 29 actions, drives catch 13 and moves; When locking, catch 13 can block operation control panel fully, promptly is in Fig. 5
In blocking; After the release success, catch can glide, but the door lock manual operation of switch cubicle at this moment.
Wherein the storage battery 21 of electron key 25 provides the testing circuit 12 of release level to closedown structure 11.
Wherein electromagnetic lock 14 also comprises a lockable mechanism, and when blocking mechanism 11 and electron key 25 are in on-state, during electromagnetic lock 14 releases, this lockable mechanism pins, and this moment, blocking mechanism 11 can not separate with electron key 25; Otherwise if locking, this moment, closedown structure 11 can separate with electron key 25.
Above embodiment only is a kind of execution mode of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Its concrete structure and size can be adjusted according to actual needs accordingly.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to protection range of the present utility model.
Claims (3)
1. a high-voltage electrical apparatus switch cubicle security protection lockset comprises blocking mechanism and electron key, it is characterized in that:
Described blocking mechanism comprises charged testing circuit, catch, electromagnetic lock, electrification in high voltage indicator light, electron key jack, transducing signal line and ground wire;
Described electron key comprises electrical circuit inspection, storage battery, unlock button, electric weight indicator light and three-prong plug;
The three-prong plug of described electron key is used among can being inserted into the electron key jack of described blocking mechanism, when the three-prong plug of described electron key was inserted among the electron key jack of described blocking mechanism, the storage battery of electron key can be described blocking mechanism power supply;
Described high-voltage electrical apparatus switch cubicle security protection lockset also comprises the high pressure sensor that detects high pressure, and described high pressure sensor links to each other with the transducing signal line of blocking mechanism, and the signal whether detected high pressure is existed is input to charged testing circuit.
2. high-voltage electrical apparatus switch cubicle security protection lockset according to claim 1 is characterized in that described blocking mechanism is installed in the high-tension switch cabinet, and the electromagnetic lock of described blocking mechanism comprises compositions such as low-power consumption bistable electro-magnet and rotation axis; Described electron key is a portable set, directly by storage battery power supply.
3. high-voltage electrical apparatus switch cubicle security protection lockset according to claim 2 is characterized in that, described electromagnetic lock also comprises the lockable mechanism of control closedown structure and electron key release and blocking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201458042U CN202059053U (en) | 2011-05-10 | 2011-05-10 | Safety protective lockset of high-voltage electrical switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201458042U CN202059053U (en) | 2011-05-10 | 2011-05-10 | Safety protective lockset of high-voltage electrical switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202059053U true CN202059053U (en) | 2011-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201458042U Expired - Fee Related CN202059053U (en) | 2011-05-10 | 2011-05-10 | Safety protective lockset of high-voltage electrical switch cabinet |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102510017A (en) * | 2011-12-13 | 2012-06-20 | 河南省电力公司平顶山供电公司 | Multifunctional ground wire management trolley |
| CN102867668A (en) * | 2012-09-12 | 2013-01-09 | 广东电网公司江门供电局 | Lock cylinder software type anti-misoperation mechanism for five-prevention 10kV switching cabinet |
| CN103481800A (en) * | 2013-09-23 | 2014-01-01 | 中国北车集团大同电力机车有限责任公司 | High voltage warning device and method for electrical cabinet of electric locomotive |
| CN103726726A (en) * | 2014-01-14 | 2014-04-16 | 江西恒珠电气柜锁有限公司 | Mechanical and passive electronic intelligent variable cabinet lock |
| CN103942861A (en) * | 2014-04-02 | 2014-07-23 | 常熟永明电气有限公司 | Electromagnetic lock with high energy-saving performance for high-voltage power distribution cabinet |
| CN105092939A (en) * | 2015-07-27 | 2015-11-25 | 国家电网公司 | Sound-type wireless high voltage detection apparatus |
| CN105092938A (en) * | 2015-07-27 | 2015-11-25 | 国家电网公司 | Acousto-optic wireless high voltage detection apparatus |
| CN105184923A (en) * | 2015-08-21 | 2015-12-23 | 国网天津市电力公司 | Error locking preventing system capable of preventing idling operation and high voltage live display device |
| CN106168106A (en) * | 2016-07-05 | 2016-11-30 | 国网天津市电力公司 | A kind of have the isolating door pressing off lock steel tower cross-arm side |
| CN108333513A (en) * | 2018-03-09 | 2018-07-27 | 中广核核电运营有限公司 | Generator electrical test regional interlock system and its operating method |
| CN110273587A (en) * | 2019-05-05 | 2019-09-24 | 国网浙江海盐县供电有限公司 | A kind of ring network cabinet earthing switch anti-error lock |
| CN111091988A (en) * | 2019-12-20 | 2020-05-01 | 国网浙江海盐县供电有限公司 | Looped netowrk cabinet earthing switch maloperation blocking device that prevents |
-
2011
- 2011-05-10 CN CN2011201458042U patent/CN202059053U/en not_active Expired - Fee Related
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102510017A (en) * | 2011-12-13 | 2012-06-20 | 河南省电力公司平顶山供电公司 | Multifunctional ground wire management trolley |
| CN102867668A (en) * | 2012-09-12 | 2013-01-09 | 广东电网公司江门供电局 | Lock cylinder software type anti-misoperation mechanism for five-prevention 10kV switching cabinet |
| CN102867668B (en) * | 2012-09-12 | 2014-08-06 | 广东电网公司江门供电局 | Lock cylinder software type anti-misoperation mechanism for five-prevention 10kV switching cabinet |
| CN103481800B (en) * | 2013-09-23 | 2016-09-28 | 中国北车集团大同电力机车有限责任公司 | Electrical cubicle high pressure alarming device and method for electric locomotive |
| CN103481800A (en) * | 2013-09-23 | 2014-01-01 | 中国北车集团大同电力机车有限责任公司 | High voltage warning device and method for electrical cabinet of electric locomotive |
| CN103726726A (en) * | 2014-01-14 | 2014-04-16 | 江西恒珠电气柜锁有限公司 | Mechanical and passive electronic intelligent variable cabinet lock |
| CN103726726B (en) * | 2014-01-14 | 2017-04-12 | 江西恒珠电气柜锁有限公司 | Mechanical and passive electronic intelligent variable cabinet lock |
| CN103942861A (en) * | 2014-04-02 | 2014-07-23 | 常熟永明电气有限公司 | Electromagnetic lock with high energy-saving performance for high-voltage power distribution cabinet |
| CN105092939B (en) * | 2015-07-27 | 2017-12-29 | 国家电网公司 | A kind of sound type wireless high-voltage detection means |
| CN105092938A (en) * | 2015-07-27 | 2015-11-25 | 国家电网公司 | Acousto-optic wireless high voltage detection apparatus |
| CN105092939A (en) * | 2015-07-27 | 2015-11-25 | 国家电网公司 | Sound-type wireless high voltage detection apparatus |
| CN105092938B (en) * | 2015-07-27 | 2018-06-29 | 国家电网公司 | A kind of acousto-optic type wireless high-voltage detection device |
| CN105184923A (en) * | 2015-08-21 | 2015-12-23 | 国网天津市电力公司 | Error locking preventing system capable of preventing idling operation and high voltage live display device |
| CN106168106A (en) * | 2016-07-05 | 2016-11-30 | 国网天津市电力公司 | A kind of have the isolating door pressing off lock steel tower cross-arm side |
| CN108333513A (en) * | 2018-03-09 | 2018-07-27 | 中广核核电运营有限公司 | Generator electrical test regional interlock system and its operating method |
| CN108333513B (en) * | 2018-03-09 | 2024-03-12 | 中广核核电运营有限公司 | Generator electrical test area interlock system and method of operating same |
| CN110273587A (en) * | 2019-05-05 | 2019-09-24 | 国网浙江海盐县供电有限公司 | A kind of ring network cabinet earthing switch anti-error lock |
| CN110273587B (en) * | 2019-05-05 | 2021-10-22 | 国网浙江海盐县供电有限公司 | Anti-misoperation lockset of ring main unit grounding switch |
| CN111091988A (en) * | 2019-12-20 | 2020-05-01 | 国网浙江海盐县供电有限公司 | Looped netowrk cabinet earthing switch maloperation blocking device that prevents |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Wuhan E-Relay Electric Co., Ltd. Assignor: Yu Baocheng Contract record no.: 2012420000102 Denomination of utility model: Safety protective lockset of high-voltage electrical switch cabinet Granted publication date: 20111130 License type: Common License Record date: 20120815 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111130 Termination date: 20150510 |
|
| EXPY | Termination of patent right or utility model |