CN102881491A - Passive forcible locking device - Google Patents
Passive forcible locking device Download PDFInfo
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- CN102881491A CN102881491A CN2011101936053A CN201110193605A CN102881491A CN 102881491 A CN102881491 A CN 102881491A CN 2011101936053 A CN2011101936053 A CN 2011101936053A CN 201110193605 A CN201110193605 A CN 201110193605A CN 102881491 A CN102881491 A CN 102881491A
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Abstract
The invention discloses a passive forcible locking device. The passive forcible locking device comprises an electrified detection circuit, a host machine part and an unlocking key, and the host machine part and the unlocking key are connected through a plug connector; the host machine part consists of a body, an electrified display and an electromagnetic lock, the body is provided with an operation hole, the unlocking key is provided with a direct current power supply, and the power supply problem of a forcible locking device of a ring main unit close to which a low-voltage power supply is not arranged can be solved; the electrified detection circuit is arranged in the host machine part and the unlocking key, and the electrified detection circuit receives a high-voltage sensor signal, displays an electrification condition, and drives the electromagnetic lock to be unlocked without high-voltage electrification, so that the high-voltage electrified detection and forcible locking are completed at a time. In addition, the passive forcible locking device also has the characteristics of being compact in structure, reliable to work, convenient to use and easy to maintain.
Description
Technical field
The present invention relates to a kind of for passive enforced lock-out device.
Background technology
Ring main unit is because it is simple and reliable, in the supplying power allocation network in city, use in a large number, but the wire inlet unit of ring main unit all is the situation of lower inlet wire, electromagnetic lock control power supply often adopts conventional electromagnetic lock closedown mode scene owing to can't be provided, and adopt emergency release to operate, the pernicious misoperation of charged splice grafting ground switch just might occur can not prevent so that the forcing device of ring main unit itself has reduced reliability this moment.
Therefore, must control the operation of earthed switch, namely when the on-load switch separating brake, must judge whether the long cable section of ingoing line line side has electricity, just allow splice grafting ground switch when only having cable not charged.For this situation, solution route is exactly at long cable section of ingoing line side installation high-voltage electrified display interlock apparatus, detects the electrification in high voltage situation by high pressure sensor, allows to open electromagnetic lock according to having or not high pressure to determine whether.High-voltage electriferous display locking device needs working power, and the working power of present most of high voltage display device adopts alternating current-direct current 220V, 110V, direct current 48V, 24V etc.
Chinese patent ZL02283589.X discloses a kind of " induction-type high-voltage electrified display interlock apparatus ", and this locking device needs external 220V power supply, and this locking device is not suitable for the outdoor type ring main unit without the peripheral operation power supply.
China training ZL200420114302.3 discloses a kind of " built-in power induction-type high-voltage electrified display interlock apparatus ", this device arranges battery in inner bonnet be the locking device power supply, removed the problem of external power supply from, but maintenance, the replacing problem of having brought battery arranged; If device quantity is many, then brought a lot of inconvenience to use, for safeguarding, also increased a lot of workloads.
The high-voltage electrified locking device of aforementioned two patent disclosures all is to detect the electrification in high voltage situation, will reflect result's output of electrification in high voltage situation, and device itself does not comprise blocking mechanism again.Finish electrification in high voltage and detect blocking function, need special equipment to obtain the uncharged information of high pressure from high-voltage electrified locking device, carry out again the release of corresponding blocking mechanism, electrical verification and release can not once be finished, and bring charged information and release mechanism corresponding relation problem, more loaded down with trivial details, also there is potential safety hazard.
Summary of the invention
The object of the invention is to overcome the defective of prior art and provide a kind of for passive enforced lock-out device, this device carries DC power supply, do not have the powerup issue of the ring main unit forced locking device of low-tension supply near having solved, and electrification in high voltage detection and forced blocking are once finished.
The technical scheme that realizes above-mentioned purpose is:
A kind of passive enforced lock-out device, it connects high pressure sensor, and described passive enforced lock-out device comprises an electrified detection circuit and the host machine part and the unlock key that connect by a plug connector, wherein:
Described host machine part comprises with the body of a handle hole, is arranged on an electrification display and an electromagnetic lock on the described body, described handle hole be positioned at described electromagnetic lock under;
Described unlock key comprises a direct current power supply, and a push-button switch that is connected with this DC power supply;
Described electrified detection circuit comprises the charged display circuit that places described electrification display and connect described high pressure sensor, is connected and places the signal control drive circuit of described body with this charged display circuit, and is connected and places the switch driver of described unlock key by described plug connector with this signal control drive circuit.
Above-mentioned passive enforced lock-out device, wherein, described switch driver and described push-button switch and DC power supply consist of the loop, and described switch driver connection is also controlled a driving switch;
Press described push-button switch, it is closed that described switch driver drives described driving switch, connects in short-term described DC power supply and described signal control drive circuit;
Described charged display circuit receives the high pressure sensor signal, shows charged state, exports high and low level signal to described signal control drive circuit;
Described DC power supply and described signal control drive circuit connect in short-term during in, when described signal control drive circuit receives low level signal, make described electromagnetic lock be in blocking; When described signal control drive circuit receives high level signal, make described electromagnetic lock unlock.
Above-mentioned passive enforced lock-out device, wherein, described electromagnetic lock comprises that the cuboid electromagnet, that a middle part contains through hole places the dead bolt, of described electromagnet middle part through hole to connect the connecting rod of described dead bolt, and be serially connected in a electric contact between described signal control drive circuit and the described electromagnet, wherein:
Described dead bolt ejects when described electromagnetic lock locking, to shelter from described handle hole; Described dead bolt inside contracts when described electromagnetic lock unlock, to expose described handle hole;
Described connecting rod is "T"-shaped, is driven by described dead bolt;
Described electric contact is realized being connected with described electromagnet or disconnecting by the tip of described connecting rod.
Above-mentioned passive enforced lock-out device, wherein, described host machine part also comprises a locking component, this locking component places described body; Described locking component is " recessed " font, and an end of its recess and described connecting rod agrees with, and is used for locking or unclamps described host machine part being connected connection with unlock key.
Above-mentioned passive enforced lock-out device, wherein, described electromagnet is bistable electro-magnet.
Above-mentioned passive enforced lock-out device, wherein, described DC power supply is rechargeable battery or dry cell.
The invention has the beneficial effects as follows: the present invention carries DC power supply, does not have the powerup issue of the ring main unit forced locking device of low-tension supply near having solved, and electrification in high voltage detection and forced blocking are once finished; The present invention has also considered resetting behind the unlocking operation (locking) problem, overhaul complete after, if device is not resetted, unlock key just can't be taken off, and has avoided staying potential safety hazard; When carrying out unlock command, this device energy timing energization reduces power consumption; Simultaneously, this device also has compact conformation, and reliable operation is easy to use, the characteristics that are easy to safeguard.
Description of drawings
Fig. 1 is the structured flowchart of passive enforced lock-out device of the present invention;
Fig. 2 a, Fig. 2 b and Fig. 2 c are respectively that the A-A of front view, Fig. 2 a of passive enforced lock-out device of the present invention is to the B-B of profile and Fig. 2 a to profile;
Fig. 3 is the circuit theory diagrams of passive enforced lock-out device of the present invention;
Fig. 4 a and Fig. 4 b are respectively the structural representation of passive enforced lock-out device of the present invention when released state and blocking;
Fig. 5 a and Fig. 5 b are respectively the structural representation of electromagnetic lock when released state and blocking of passive enforced lock-out device of the present invention.
Embodiment
The invention will be further described below in conjunction with accompanying drawing.
See also Fig. 1, Fig. 2 and Fig. 3, and in conjunction with Fig. 4 and Fig. 5, a kind of passive enforced lock-out device of the present invention, comprise the host machine part 1 and the unlock key 2 that connect by plug connector 4, also comprise placing host machine part 1 and unlock key 2 electrified detection circuit (not shown), wherein
The electrified detection circuit (not shown) comprises the charged display circuit 31 that places electrification display 12 and connect high pressure sensor 5, is connected and places the signal control drive circuit 32 of body 11 with this charged display circuit 31, and is connected and places the switch driver 33 of unlock key 2 by plug connector 4 with this signal control drive circuit 32.
Be installed in high-voltage switch gear cashier's office in a shop after host machine part 1 and unlock key 2 are pegged graft, can carry out the operation of switch cubicle by operating grip update hole 111; See also Fig. 5, when electromagnetic lock 13 locking, dead bolt 132 ejects, and can block handle hole 111, and operating grip can not be inserted, and when electromagnetic lock 13 release, dead bolt 132 is realized inside contracting by electromagnet 131 controls, no longer blocks handle hole 111.
See also Fig. 4, when signal control drive circuit 32 drove electromagnetic lock 13 release, namely electromagnet 131 control dead bolts 132 inside contracted dead bolt 132 drivening rods 134, thereby the disconnection of the tip of connecting rod 134 is connected with electric contact 135, no longer power consumption after 13 releases of assurance electromagnetic lock.
See also Fig. 3, charged display circuit 31 comprises three identical unit, each unit comprises a rectifier bridge (U1 or U2 or U3), the first ac input end of rectifier bridge (U1 or U2 or U3) connects one first resistance (Ra1 or Rb1 or Rc1), the second ac input end ground connection, the first dc output end of rectifier bridge (U1 or U2 or U3) connects the second resistance (Ra2 or Rb2 or Rc2) successively, the 3rd resistance (Ra3 or Rb3 or Rc3) and diode (Da or Db or Dc), the second dc output end connects one the 4th resistance (Ra4 or Rb4 or Rc4);
Each unit also comprises one first electric capacity (C1 or C2 or C3) and a light-emitting diode (D1 or D2 or D3), one end of the first electric capacity (C1 or C2 or C3) connects the end that joins of the second resistance (Ra2 or Rb2 or Rc2) and the 3rd resistance (Ra3 or Rb3 or Rc3), the other end connects the second dc output end of rectifier bridge (U1 or U2 or U3), the positive pole of light-emitting diode (D1 or D2 or D3) connects the end that joins of the second resistance (Ra2 or Rb2 or Rc2) and the 3rd resistance (Ra3 or Rb3 or Rc3), and negative pole connects the second dc output end of rectifier bridge (U1 or U2 or U3); The positive pole of diode (Da or Db or Dc) connects the 3rd resistance (Ra3 or Rb3 or Rc3), and negative pole connects the first output of charged display circuit 31; The 4th resistance (Ra4 or Rb4 or Rc4) connects the second output of charged display circuit 31.
In the present embodiment, the model selected of switch driver 33 is SA/S2.10.1.
Above-described embodiment provides to being familiar with the person in the art and realizes or use of the present invention; those skilled in the art can be in the situation that does not break away from invention thought of the present invention; above-described embodiment is made various modifications or variation; thereby protection scope of the present invention do not limit by above-described embodiment, and should be the maximum magnitude that meets the inventive features that claims mention.
Claims (6)
1. passive enforced lock-out device, it connects high pressure sensor, it is characterized in that, and described passive enforced lock-out device comprises an electrified detection circuit and the host machine part and the unlock key that connect by a plug connector, wherein:
Described host machine part comprises with the body of a handle hole, is arranged on an electrification display and an electromagnetic lock on the described body, described handle hole be positioned at described electromagnetic lock under;
Described unlock key comprises a direct current power supply, and a push-button switch that is connected with this DC power supply;
Described electrified detection circuit comprises the charged display circuit that places described electrification display and connect described high pressure sensor, is connected and places the signal control drive circuit of described body with this charged display circuit, and is connected and places the switch driver of described unlock key by described plug connector with this signal control drive circuit.
2. passive enforced lock-out device according to claim 1 is characterized in that, described switch driver and described push-button switch and DC power supply consist of the loop, and described switch driver connection is also controlled a driving switch;
Press described push-button switch, it is closed that described switch driver drives described driving switch, connects in short-term described DC power supply and described signal control drive circuit;
Described charged display circuit receives the high pressure sensor signal, shows charged state, exports high and low level signal to described signal control drive circuit;
Described DC power supply and described signal control drive circuit connect in short-term during in, when described signal control drive circuit receives low level signal, make described electromagnetic lock be in blocking; When described signal control drive circuit receives high level signal, make described electromagnetic lock unlock.
3. passive enforced lock-out device according to claim 1, it is characterized in that, described electromagnetic lock comprises that the cuboid electromagnet, that a middle part contains through hole places the dead bolt, of described electromagnet middle part through hole to connect the connecting rod of described dead bolt, and be serially connected in a electric contact between described signal control drive circuit and the described electromagnet, wherein:
Described dead bolt ejects when described electromagnetic lock locking, to shelter from described handle hole; Described dead bolt inside contracts when described electromagnetic lock unlock, to expose described handle hole;
Described connecting rod is "T"-shaped, is driven by described dead bolt;
Described electric contact is realized being connected with described electromagnet or disconnecting by the tip of described connecting rod.
4. according to claim 1 or 3 described passive enforced lock-out devices, it is characterized in that described host machine part also comprises a locking component, this locking component places described body; Described locking component is " recessed " font, and an end of its recess and described connecting rod agrees with, and is used for locking or unclamps described host machine part being connected connection with unlock key.
5. passive enforced lock-out device according to claim 3 is characterized in that, described electromagnet is bistable electro-magnet.
6. passive enforced lock-out device according to claim 1 is characterized in that, described DC power supply is rechargeable battery or dry cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101936053A CN102881491A (en) | 2011-07-12 | 2011-07-12 | Passive forcible locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101936053A CN102881491A (en) | 2011-07-12 | 2011-07-12 | Passive forcible locking device |
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| Publication Number | Publication Date |
|---|---|
| CN102881491A true CN102881491A (en) | 2013-01-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101936053A Pending CN102881491A (en) | 2011-07-12 | 2011-07-12 | Passive forcible locking device |
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| CN (1) | CN102881491A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103280351A (en) * | 2013-05-31 | 2013-09-04 | 北京华电瑞通电力工程技术有限公司 | Electrically operated mechanism safety device |
| CN107269128A (en) * | 2017-07-18 | 2017-10-20 | 珠海优特电力科技股份有限公司 | Electrical verification locking device |
| CN108824992A (en) * | 2018-06-25 | 2018-11-16 | 常州电子研究所有限公司 | Smart locking device and system |
| 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 |
| CN111341596A (en) * | 2020-03-26 | 2020-06-26 | 广东电网有限责任公司 | Prevent electrified mistake and close earthing knife-switch device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1134765A1 (en) * | 2000-03-15 | 2001-09-19 | Omron Corporation | Lock switch apparatus |
| CN201174330Y (en) * | 2008-03-19 | 2008-12-31 | 江苏省电力公司常州供电公司 | Live locking up electroscope device |
| CN201387991Y (en) * | 2009-04-17 | 2010-01-20 | 常州帕斯菲克自动化技术有限公司 | High-voltage switch cabinet anti-mislock device |
| CN201780325U (en) * | 2010-07-13 | 2011-03-30 | 珠海共创电力安全技术股份有限公司 | High-voltage charged display |
| CN202258890U (en) * | 2011-07-12 | 2012-05-30 | 上海市电力公司 | Passive enforced lock-out device |
-
2011
- 2011-07-12 CN CN2011101936053A patent/CN102881491A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1134765A1 (en) * | 2000-03-15 | 2001-09-19 | Omron Corporation | Lock switch apparatus |
| CN201174330Y (en) * | 2008-03-19 | 2008-12-31 | 江苏省电力公司常州供电公司 | Live locking up electroscope device |
| CN201387991Y (en) * | 2009-04-17 | 2010-01-20 | 常州帕斯菲克自动化技术有限公司 | High-voltage switch cabinet anti-mislock device |
| CN201780325U (en) * | 2010-07-13 | 2011-03-30 | 珠海共创电力安全技术股份有限公司 | High-voltage charged display |
| CN202258890U (en) * | 2011-07-12 | 2012-05-30 | 上海市电力公司 | Passive enforced lock-out device |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103280351A (en) * | 2013-05-31 | 2013-09-04 | 北京华电瑞通电力工程技术有限公司 | Electrically operated mechanism safety device |
| CN103280351B (en) * | 2013-05-31 | 2015-04-15 | 北京华电瑞通电力工程技术有限公司 | Electrically operated mechanism safety device |
| CN107269128A (en) * | 2017-07-18 | 2017-10-20 | 珠海优特电力科技股份有限公司 | Electrical verification locking device |
| CN107269128B (en) * | 2017-07-18 | 2022-08-19 | 珠海优特电力科技股份有限公司 | Electricity testing lock device |
| CN108824992A (en) * | 2018-06-25 | 2018-11-16 | 常州电子研究所有限公司 | Smart locking device and system |
| 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 |
| CN111341596A (en) * | 2020-03-26 | 2020-06-26 | 广东电网有限责任公司 | Prevent electrified mistake and close earthing knife-switch device |
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Application publication date: 20130116 |