CN105239849A - Comprehensive network misoperation-preventive locking device - Google Patents

Comprehensive network misoperation-preventive locking device Download PDF

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Publication number
CN105239849A
CN105239849A CN201510590550.8A CN201510590550A CN105239849A CN 105239849 A CN105239849 A CN 105239849A CN 201510590550 A CN201510590550 A CN 201510590550A CN 105239849 A CN105239849 A CN 105239849A
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China
Prior art keywords
lockweight
locking
locking bar
remote
unlocking mechanism
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Application number
CN201510590550.8A
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Chinese (zh)
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CN105239849B (en
Inventor
沈君
张劲
沈一平
钱平
王昕�
汤义勤
方家麟
潘激扬
张东波
陈坚
陈泷
王琪
周戈
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Taizhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Taizhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
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Application filed by State Grid Corp of China SGCC, Taizhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201510590550.8A priority Critical patent/CN105239849B/en
Publication of CN105239849A publication Critical patent/CN105239849A/en
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Publication of CN105239849B publication Critical patent/CN105239849B/en
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Abstract

The invention discloses a comprehensive network misoperation-preventive locking device. The device comprises a shell, a locking rod and a locking pin, wherein the locking rod and the locking pin are installed on the shell. A locking groove is formed in the locking rod. A locking head is arranged at the first end of the locking pin. The second end of the locking pin is connected with a spring. Meanwhile, the device is provided with a local unlocking mechanism and a remote unlocking mechanism. The remote unlocking mechanism locks the locking pin when the remote unlocking mechanism is in a locked state. The remote unlocking mechanism is connected with a remote control terminal through a network. After the remote control terminal transmits an unlock command, the remote unlocking mechanism unlocks the locking pin. The local unlocking mechanism controls the locking pin to slide through an anti-mistaken-unlock key, the locking head is disengaged from the locking groove, and the locking rod is unlocked. By means of the device, management of combining local control and remote control on the locking device is achieved, the operation safety of equipment is prevented from being influenced by on-site mistaken unlocking or mixing-up of locks after unlocking, and safety operation of important equipment in a power system is protected.

Description

A kind of network synthesis anti-misoperation locking device
Technical field
The present invention relates to the blocking device of the equipment such as transformer station, power plant, particularly relate to and be a kind ofly applied in the device possessing reliable locking in the occasion such as transformer station, power plant.
Background technology
Power industry equipment is numerous, if careless manipulation or maloperation, the lighter's damage equipment, severe one causes personal safety, therefore, this kind equipment adopts usually the lockset with anti mis-closedown function carry out locking.And normal conditions adopt easy padlock mode to carry out locking, for the simple equipment of function, this kind of closedown mode can ensure the safety of equipment, and for important equipment, as high-voltage switch gear line breaker disconnecting link cashier's office in a shop, if lockset opens by mistake, then may be related to the safe operation of the main equipments such as main transformer, therefore, the locking of this kind equipment is even more important, and the conventional anti-misoperation mode used is padlock near such equipment operating handle, need need first open this padlock during operation, in actual moving process, open by mistake owing to there is lockset, unlock the problems such as rear lockset position misplaces, the reliability service of equipment can not be ensured completely, have impact on safe operation and the personal safety of substation equipment, be necessary to invent a kind of novel anti-misoperation locking device, the basis of the anti-error workflow of routine increases restriction of further unblanking, can ensure that lockset can not directly be opened by single maloperation, achieve the high security of lock set.
Summary of the invention
Technical problem to be solved by this invention is just to provide a kind of network synthesis anti-misoperation locking device, ensures that lockset can not directly be opened by single maloperation, achieves the high security of lock set.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: a kind of network synthesis anti-misoperation locking device, comprise housing and be installed on the locking bar on housing, lockweight, described locking bar is provided with lock slots, the first end of described lockweight is provided with elongated insertion part, second end of described lockweight is connected with spring, when being in blocking, described elongated insertion part is sticked in lock slots, it is characterized in that: be provided with local release mechanism and remote unlocking mechanism simultaneously, described remote unlocking mechanism locks lockweight when being in blocking, described remote unlocking mechanism connects remote control terminal by network, after remote control terminal issues unlock command, described remote unlocking mechanism removes the locking to lockweight, described local release mechanism controls lockweight by error-unlocking prevention key and slides, elongated insertion part is deviate from from lock slots, remove the locking to locking bar.
Preferably, described remote unlocking mechanism comprises control circuit, solenoid, described lockweight is provided with the first gap slot, after remote control terminal issues unlock command, solenoidal power supply connected by control circuit, solenoidal iron core energising is shunk, and deviates from from the first gap slot, thus removes the locking to lockweight.
Preferably, described local release mechanism comprises trip lever, switch block, and the first end of described trip lever is connected with switch block, and the second end of described trip lever is provided with the raised line coordinated with error-unlocking prevention key, trip lever rotates with driving switch block while error-unlocking prevention key turns, and switch block drives lockweight to slide.
Preferably, described switch block is provided with square projection, and described lockweight is provided with the second gap slot, and described square projection acts in the second gap slot and drives lockweight to slide.
Preferably, described housing homographic solution locking bar second end is provided with keyhole, and described housing is provided with identity code in keyhole side, and error-unlocking prevention key reads identity code, after correct judgment, then by error-unlocking prevention key turns trip lever.
Preferably, described lockweight is provided with strip through-hole, and the corresponding described strip through-hole of described housing is provided with the guiding screw pole inserting strip through-hole, and described guiding screw pole guides lockweight to slide.
Preferably, described locking bar is provided with a pin in lock slots side, and described pin is vertical with locking bar, and locking bar periphery is protruded at the two ends of described pin.
The present invention adopts fixed form to be arranged near operating handle; owing to being provided with local release mechanism and remote unlocking mechanism simultaneously; achieve and with the long-range mode combined, blocking device is managed on the spot; avoid on-the-spot misunderstanding lock or unlock rear lockset obscuring and affecting the security of operation of equipment, the safe operation of visual plant in protection power system.
Compared with the padlock mode that existing power industry is conventional, the present invention adopts and manages blocking device with the long-range mode combined on the spot, manages more effective; And adopt fixed form to install, lockset can be avoided to lose or locking dislocation, this invention has ensured the safe operation of the large-scale key equipment of power system, the damage that the equipment that reduces causes because of maloperation, has very high economic benefit, simultaneously, the normal operation of these large-scale key equipments, ensured the normal conveying of electric power, therefore, this invention also has very high social benefit.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the invention will be further described:
Fig. 1 is the front schematic view of network synthesis anti-misoperation locking device of the present invention;
Fig. 2 is the schematic rear view of network synthesis anti-misoperation locking device of the present invention;
Fig. 3 is locking bar structure intention in the present invention;
Fig. 4 is lockweight organigram in the present invention;
Fig. 5 is trip lever organigram in the present invention;
Fig. 6 is transfer block organigram of the present invention;
Fig. 7 is front of the present invention part position schematic diagram;
Fig. 8 is the back side of the present invention part position schematic diagram;
Fig. 9 be the present invention with latch switch cabinet operating handle coordinate schematic diagram;
Figure 10 is the present invention's inner body structural representation in the unlocked state;
Above in each figure, 1-housing; 2-locking bar; 3-identity code; 4-trip lever; 5-switch block; 6-lockweight; 7-solenoid; 8-control circuit; 8a-power interface; 8b-network interface; 8c-micro-control unit (MCU); 9-spring; 11-procapsid front; 12-L shape is protruding; 13-error-unlocking prevention mechanism; 13a-squared counter bore; 13b-keyhole; 14-manhole; 15-screw; 16-mounting plane; 17-blind hole; 18-strip groove; 19-guiding screw pole; 21-cylindrical portion; 22-flange; 23-pin; 24-lock slots; 41-waist type cross-section; 42-raised line; 51-waist typed through hole; The square projection of 52-; 61-circular hole; 62-second gap slot; 63-strip through-hole; 64-elongated insertion part; 65-first gap slot; 100-switchboard operating handle.
Detailed description of the invention
And the present invention is described in detail in conjunction with specific embodiments below with reference to the accompanying drawings.
The invention provides a kind of network synthesis anti-misoperation locking device, as shown in Figure 1 and Figure 7, comprise housing 1, housing 1 is square structure, and housing 1 is made up of procapsid and back casing, and as shown in Figure 2, procapsid and back casing are fixed as one by screw 15.Procapsid front 11 is provided with protruding 12 end faces of L shape projection 12, L shape a unlocking prevention mechanism 13 coordinated with error-unlocking prevention key, and error-unlocking prevention mechanism 13 comprises a squared counter bore 13a, a circular keyhole 13b; Squared counter bore 13a is for installing identity code 3, trip lever 4 is provided with in keyhole 13b, error-unlocking prevention key inserts keyhole 13b and coordinates with trip lever 4, and error-unlocking prevention key reads identity code 3, drives trip lever 4 to rotate while error-unlocking prevention key turns.The top-side of L shape projection 12 has a manhole 14, and manhole 14 is for passing through locking bar 2.
As shown in Figure 2, protruding 12 positions of corresponding L shape, the procapsid back side are provided with a mounting plane 16, this mounting plane 16 has two guiding screw poles 19 and 4 blind holes 17, be provided with strip groove 18 above mounting plane 16, strip groove 18 correspondence is arranged on manhole 14 radial sidewalls.
As shown in Figure 3, locking bar 2 is a notch cuttype cylinder on the whole, comprises cylindrical portion 21, and the end of locking bar 2 is provided with the flange 22 around whole circumferential projection.Cylindrical portion 21 centre position has a generally u-shaped lock slots 24.The cylindrical portion 21 of locking bar is provided with a pin 23 in lock slots 24 side, and described pin 23 is vertical with locking bar 2, and locking bar 2 periphery is protruded at described pin 23 two ends, and pin 23 two ends coordinate with the strip groove 18 of case inside, guides locking bar 2 to slide axially.
As shown in Figure 4, lockweight 6 is rectangular configuration, lockweight 6 first end is provided with elongated insertion part 64, lockweight 6 second end is provided with circular hole 61, one of them side of lockweight 6 second end is provided with the first gap slot 65, another side have the second gap slot 62, first gap slot 65 and the second gap slot 62 all rectangular, is provided with strip through-hole 63 in the middle of lockweight 6.As shown in Figure 8, elongated insertion part 64 coordinates with lock slots 24, and circular hole 61 is connected with spring 9, and guiding screw pole 19 is through strip through-hole 63.
As shown in Figure 5, trip lever 4 first end is provided with waist type cross-section 41, and trip lever 4 second end is provided with raised line 42, and this raised line 42 coordinates with error-unlocking prevention draw-in groove on the key, makes error-unlocking prevention key that trip lever 4 can be driven to rotate.
As shown in Figure 6, switch block 5 is roughly T-shaped, and its first end is provided with a waist typed through hole 51, and this waist typed through hole coordinates with the waist type cross-section 41 of trip lever 4, makes trip lever 4 that switch block 5 can be driven to rotate together; Switch block 5 in addition one end is provided with one square protruding 52, can insert in the second gap slot 62 of lockweight 6, while switch block 5 rotates, can by square protruding 52 and second effect of gap slot 62, and drive lockweight 6 slides.
Each above-mentioned component fit together, as shown in Figure 7 and Figure 8, for each parts mount position schematic diagram of the present invention, locking bar 2 is through the manhole 14 on housing 1, front and back end is exposed outside housing 1, and identity code 3 is arranged in squared counter bore 13a, and trip lever 4 is arranged in keyhole 13b, its end waist type cross-section 41 gos deep into the cavity postmedian of housing 1, and inserts in the waist typed through hole 51 of switch block 5; Lockweight 6 is arranged on the mounting plane 16 of housing 1 inside, strip through-hole 63 on lockweight 6 can move up and down through after guiding screw pole 19, in the circular hole 61 of lockweight 6 second end, spring 9 is installed, the elongated insertion part 64 of lockweight 6 first end inserts in the lock slots 24 of locking bar 2, square protruding 52 of switch block 5 second end inserts in the second gap slot 62 of lockweight side, and the iron core of solenoid 7 inserts in the first gap slot 65 on lockweight 6 another one side.It is inner that control circuit 8 is arranged on housing 1, be positioned at mounting plane side, control circuit 8 is provided with power interface 8a, network interface 8b, micro-control unit 8c, solenoid 7 is connected with control circuit 8, power interface 8a switches on power, network interface 8b connected network, micro-control unit 8c, by network reception order, controls solenoid 7.
The present invention is by network lock up mode, and in conjunction with the anti-false judgment of on-the-spot error-unlocking prevention key, realize the dual locking management of equipment, its specific works principle is as follows:
As shown in Figure 8 and Figure 9, under equipment is in blocking, the endoporus of locking bar 2 update handle 100, operating handle 100 cannot rotate.Now, the elongated insertion part 64 of lockweight 6 inserts in the lock slots 24 of locking bar 2, stop the movement of locking bar 2, simultaneously, the iron core of solenoid 7 inserts in the first gap slot 65 of lockweight 6, on switch block 5 square protruding 52 inserts in the second gap slot 62 of lockweight 6, stops the movement of lockweight 6, thus realizes the locking to equipment operating handle 100.
As shown in Figure 10, when needs operate operating handle, remote unlocking mechanism connects remote control terminal by network, associated current signal, under remote control terminal confirms console switch no current situation, unlock command is issued, remote control terminal lock-out scheme by remote control terminal, as shown in table 1 below:
Table 1
Operating equipment Loop current > 10A
Switching circuit plug-in strip 0
Switching on/off handcart 0
Unlock command is delivered on control circuit 8 by network interface 8b, after micro-control unit 8c identifies, connect the power supply of solenoid 7, the iron core energising of solenoid 7 is shunk, throw off from the first gap slot 65 of lockweight 6, after now inserting error-unlocking prevention key, error-unlocking prevention key reads identity code 3, trip lever 4 can be rotated after correct judgment, trip lever 4 drives switch block 5 to rotate, switch block 5 drives lockweight 6 to move down, until the elongated insertion part 64 on lockweight 6 is thrown off with the lock slots 24 of locking bar 2, with the flange 22 pulling locking bar 2, locking bar 2 is thrown off in operating handle 100, operating handle 100 can rotating operation.
After operation completes, with the flange 22 of the tail end of hand propelled locking bar 2, locking bar 2 moves to operating handle 100 direction and operating handle 100 is lived in locking, the elastic force promotion lockweight 6 of spring 9 moves simultaneously, when the lock slots 24 of locking bar 2 aligns with the elongated insertion part 64 of lockweight 6, elongated insertion part 64 inserts in the lock slots 24 of locking bar 2, stop the movement of locking bar 2, iron core simultaneously on solenoid 7 is inserted in the first gap slot 65 of lockweight 6 under its own resilient, stop the movement of lockweight 6, device locking completes.

Claims (7)

1. a network synthesis anti-misoperation locking device, comprise housing and be installed on the locking bar on housing, lockweight, described locking bar is provided with lock slots, the first end of described lockweight is provided with elongated insertion part, second end of described lockweight is connected with spring, when being in blocking, described elongated insertion part is sticked in lock slots, it is characterized in that: be provided with local release mechanism and remote unlocking mechanism simultaneously, described remote unlocking mechanism locks lockweight when being in blocking, described remote unlocking mechanism connects remote control terminal by network, after remote control terminal issues unlock command, described remote unlocking mechanism removes the locking to lockweight, described local release mechanism controls lockweight by error-unlocking prevention key and slides, elongated insertion part is deviate from from lock slots, remove the locking to locking bar.
2. a kind of network synthesis anti-misoperation locking device according to claim 1, it is characterized in that: described remote unlocking mechanism comprises control circuit, solenoid, described lockweight is provided with the first gap slot, after remote control terminal issues unlock command, solenoidal power supply connected by control circuit, solenoidal iron core energising is shunk, and deviates from from the first gap slot, thus removes the locking to lockweight.
3. a kind of network synthesis anti-misoperation locking device according to claim 1, it is characterized in that: described local release mechanism comprises trip lever, switch block, the first end of described trip lever is connected with switch block, second end of described trip lever is provided with the raised line coordinated with error-unlocking prevention key, trip lever rotates with driving switch block while error-unlocking prevention key turns, and switch block drives lockweight to slide.
4. a kind of network synthesis anti-misoperation locking device according to claim 3, it is characterized in that: described switch block is provided with square projection, described lockweight is provided with the second gap slot, and described square projection acts in the second gap slot and drives lockweight to slide.
5. a kind of network synthesis anti-misoperation locking device according to claim 4, it is characterized in that: described housing homographic solution locking bar second end is provided with keyhole, described housing is provided with identity code in keyhole side, error-unlocking prevention key reads identity code, after correct judgment, then by error-unlocking prevention key turns trip lever.
6. a kind of network synthesis anti-misoperation locking device according to claim 1, it is characterized in that: described lockweight is provided with strip through-hole, the corresponding described strip through-hole of described housing is provided with the guiding screw pole inserting strip through-hole, and described guiding screw pole guides lockweight to slide.
7. a kind of network synthesis anti-misoperation locking device according to claim 1, is characterized in that: described locking bar is provided with a pin in lock slots side, and described pin is vertical with locking bar, and locking bar periphery is protruded at the two ends of described pin.
CN201510590550.8A 2015-09-16 2015-09-16 A kind of network synthesis anti-misoperation locking device Active CN105239849B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105681433A (en) * 2016-01-27 2016-06-15 国网上海市电力公司 Locking system applied to electric power overhaul

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007066803A1 (en) * 2005-12-09 2007-06-14 Idec Corporation Safety switch
CN101343964A (en) * 2007-07-13 2009-01-14 珠海优特电力科技股份有限公司 Wireless electric-controlled lock and its control method
US20100038217A1 (en) * 2007-03-15 2010-02-18 Kai Bretschneider Device for maintaining a locked and closed state of a space-separating device in a releasable manner
CN203961501U (en) * 2014-06-03 2014-11-26 珠海优特电力科技股份有限公司 Small integrated release mechanism
CN204186169U (en) * 2014-10-17 2015-03-04 江苏省电力公司淮安供电公司 A kind of outdoor ring main unit drawing and pressing type anti-misoperation locking lockset
CN104420727A (en) * 2013-09-06 2015-03-18 珠海优特电力科技股份有限公司 Latch-type fixed lock provided with wireless code piece, anti-error locking system and working method
CN204899489U (en) * 2015-09-16 2015-12-23 国网浙江省电力公司台州供电公司 Network synthesis anti -misoperation lockout device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007066803A1 (en) * 2005-12-09 2007-06-14 Idec Corporation Safety switch
US20100038217A1 (en) * 2007-03-15 2010-02-18 Kai Bretschneider Device for maintaining a locked and closed state of a space-separating device in a releasable manner
CN101343964A (en) * 2007-07-13 2009-01-14 珠海优特电力科技股份有限公司 Wireless electric-controlled lock and its control method
CN104420727A (en) * 2013-09-06 2015-03-18 珠海优特电力科技股份有限公司 Latch-type fixed lock provided with wireless code piece, anti-error locking system and working method
CN203961501U (en) * 2014-06-03 2014-11-26 珠海优特电力科技股份有限公司 Small integrated release mechanism
CN204186169U (en) * 2014-10-17 2015-03-04 江苏省电力公司淮安供电公司 A kind of outdoor ring main unit drawing and pressing type anti-misoperation locking lockset
CN204899489U (en) * 2015-09-16 2015-12-23 国网浙江省电力公司台州供电公司 Network synthesis anti -misoperation lockout device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105681433A (en) * 2016-01-27 2016-06-15 国网上海市电力公司 Locking system applied to electric power overhaul

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