CN102623215A - Ground wire locking device and locking method thereof - Google Patents
Ground wire locking device and locking method thereof Download PDFInfo
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- CN102623215A CN102623215A CN2011100279389A CN201110027938A CN102623215A CN 102623215 A CN102623215 A CN 102623215A CN 2011100279389 A CN2011100279389 A CN 2011100279389A CN 201110027938 A CN201110027938 A CN 201110027938A CN 102623215 A CN102623215 A CN 102623215A
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Abstract
The invention provides a ground wire locking device and a locking method thereof. The ground wire locking device mainly comprises a first lock body and a second lock body. The first lock body comprises a first working face, and the second lock body comprises a second working face. A first ground wire fixed mounting clamping piece part and a connection fixing device of a first lock casing are positioned on the first working face. The second ground wire fixed mounting clamping piece part and a connection fixing device of a second lock casing are positioned on the second working face. A two-value RFID chip is provided in an inner cavity of the second lock casing. In application, the first lock body and the second lock body are separately installed on two ends of a temporary ground wire, or the second lock body is installed on the temporary ground wire and the first lock body is installed on another object. When the ground wire locking device is in a locked state, the first lock body and the second lock body can not be separated; that is, the two ends of the ground wire can not be separated or move freely, and can only be unlocked and separated by using a computer key. A function realized by the two-value RFID chip is to provide different RFID chip values. When the RFID chip values are identified by the computer key, whether the first lock body and the second lock body are in the locked state can be known.
Description
Technical field
The present invention relates to a kind of ground wire locking device and blocking method thereof, relate in particular to a kind of device that unblocks that is used for the temporary ground wire that error proof locking system of microcomputer that electric power prevents the electric misoperation field uses.
Background technology
Error proof locking system of microcomputer be China's electric power system to preventing a kind of control system of back brake misoperation in power plant, the transformer station's power transmission and distribution process, mainly be to prevent mistakenly entering charged chamber, prevent mistake drawing switch, prevent on-load drawing disconnecting link, prevent charged hanging ground-wire, prevent to be with ground wire to close disconnecting link with technological means.The back brake misoperation repeats to cause serious accident in electric power system over the years; Can't accomplish that enforceable joining ground wire according to the interlock that kind carry out mandatory administration in the whole anti-error locking system; In the practice, the field personnel opens dismounting earth connection behind the ground wire locking device through machinery by force situation also appearred.A lot of now sense of responsibility and working attitudes that supply power transformation enterprise still need rely on the field personnel are come the artificial error that reduces.Because the installing hanging earthing conductor is in order to protect the safety in electric equipment and the maintainer's operating process; If untimelyly after electric equipment maintenance is accomplished remove ground wire from the ground wire stake; Therefore can cause that then the band ground wire closes the serious accident that disconnecting link send electricity, preventing to close disconnecting link with ground wire, to send electric this misoperation be one of relation key of becoming the distribution safe operation.
The temporary ground wire that electric power system is used mainly is made up of ground the end of a thread, cable, wire clamp etc.When carrying out the electric equipment maintenance; Be with earth connection near electric equipment by the staff, be articulated to ground wire wire clamp one end on the device line, other end ground the end of a thread is articulated in the ground wire stake of appointment; Connect device line and the earth, to guarantee service work personnel's safety.At present common temporary ground wire closedown mode is to use padlock it and ground wire stake or storing compartment directly under lock and key, and leaving ground wire stake or storing compartment just can't locking.The state that unblocks of temporary ground wire also can't be gathered through technological means.In the operation; Just know whether it is in the scene of articulating or has been removed if can collect the state that unblocks of temporary ground wire, therefore realize temporary ground wire is carried out locking and collects the generation that its actual state that unblocks can effectively prevent the temporary ground wire misoperation fault.
Summary of the invention
The object of the present invention is to provide a kind of ground wire locking device and blocking method thereof, can avoid by force machinery to open the ground wire locking device, but self independent locking can be gathered the state that it unblocks.
The present invention realizes through following technical scheme:
A kind of ground wire locking device wherein, includes first lock body and second lock body; Said first lock body includes the first lock shell and first ground wire fixed installation intermediate plate parts that are positioned at the first lock shell bottom; Said first lock body includes first working face, is positioned on the side wall surface of the first lock shell; Lock pin stretches out from said first working face, and first ground wire fixed installation intermediate plate parts are positioned on first working face with the fixture that is connected of the first lock shell; Said second lock body includes the second lock shell and second ground wire fixed installation intermediate plate parts that are positioned at the second lock shell bottom; Said second lock body includes second working face, be positioned at second the lock shell with first working face side wall surface in opposite directions on; Lock pin passes second working face and is positioned at the inner mechanism that unblocks of the second lock shell and is connected adaptively, and the fixture that is connected that second ground wire fixed installation intermediate plate parts and second are locked shell is positioned on second working face.
On the said lock pin permanent magnet is installed.
Include diadic RFID chip in the inner chamber of the said second lock shell.
On the side wall surface relative of the said second lock shell, be provided with and read yard a chamber opening and a unlock hole with second working face.
The blocking method of above-mentioned ground wire locking device; Wherein, First lock body and second lock body are fixed on respectively on the temporary ground wire one or both ends, and when said first lock body and second lock body were in blocking, first lock body was linked together and can not be separated by lockable mechanism with second lock body; When being in released state, first lock body separates with second lock body; Said diadic RFID chip is fixed on the lock body, when first lock body and the second lock body blocking and released state, provides different RFID code values respectively.
Said ground wire locking device and computer key are used, and computer key can be discerned the temporary grounding line states that installs and fixes with it through the RFID code value of discerning said device, realize the collection of temporary ground wire release and blocking.
Beneficial effect of the present invention is following:
A kind of ground wire locking device of the present invention because first lock body includes first working face, is positioned on the side wall surface of the first lock shell; Lock pin stretches out from said first working face, and first ground wire fixed installation intermediate plate parts are positioned on first working face with the fixture that is connected of the first lock shell; Said second lock body includes the second lock shell and second ground wire fixed installation intermediate plate parts that are positioned at the second lock shell bottom; Said second lock body includes second working face, be positioned at second the lock shell with first working face side wall surface in opposite directions on; Lock pin passes second working face and is positioned at the inner mechanism that unblocks of the second lock shell and is connected adaptively, and the fixture that is connected that second ground wire fixed installation intermediate plate parts and second are locked shell is positioned on second working face.The two component parts of this device; When its locking, first working face and second working face fit tightly, and can't open the fixture that is connected that first ground wire fixed installation intermediate plate parts and first are locked shell artificially; And second ground wire fixed installation intermediate plate parts with second lock shell the fixture that is connected; The mutual locking of these two parts can not separate, and has only the use computer key (a kind of intelligence is handed unlocker device) could release, has only that two parts just can separate when its release.What a dicode value was arranged in this device can be corresponded respectively to the released state and the blocking of device by the RFID Wireless code sheet of computer key identification, and computer key can read this RFID sign indicating number in this device of release.When being applied to temporary ground wire, two parts of device are separately fixed on the two ends of one group of root temporary ground wire or a part is installed in that another part is fixed on other object on the earth connection.The fixing with it mutual locking in temporary ground wire two ends or temporary ground wire and the mutual locking of other fixed object when device two parts mutual locking can not separate, can't normal use in execute-in-place, thereby realized the temporary ground wire blocking function; After using the computer key tripper, fixing with it temporary ground wire also just is unlocked, and can normally use.Thereby realized the unlocking function of temporary ground wire.
The blocking method of above-mentioned ground wire locking device except the release and locking basic function that realize temporary ground wire, has realized that more meaningfully computer key is to the unblock collection of state of temporary ground wire.Because it is corresponding one by one with its release and blocking that the RFID chip in the device has two unique code values, the RFID code value that computer key collects correspondence can identify the current state that unblocks of temporary ground wire of correspondence.But because the end-state of recognition device during the computer key tripper, so this device has " anti-idle running " ability, and promptly computer key can recognize the state of device and the real state consistency of device.
Device has designed the locking anti-disassembling function in addition, when promptly device is in blocking, can't separate with the temporary ground wire dismounting by handle assembly, could use general tool to carry out installation or removal when having only device to be in released state.
The application further of above-mentioned computer key can be carried out the state of the temporary ground wire that collects various processing and send to other main frames using, and realizes the more wide earth connection misoperation application that prevents.
Description of drawings
Fig. 1 is the decomposition texture sketch map of a kind of ground wire locking device of the present invention;
Fig. 2 is the overall structure sketch map of a kind of ground wire locking device of the present invention;
Fig. 3 is the inner schematic diagram of the diadic RFID chip of a kind of ground wire locking device of the present invention;
Fig. 4 is the blocking structural representation of a kind of ground wire locking device of the present invention;
Fig. 5 is the released state structural representation of a kind of ground wire locking device of the present invention;
Fig. 6 is a kind of ground wire locking device of the present invention and computer key released state sketch map.
Description of reference numerals:
1, the first lock shell, 2, lock pin, 3, the second lock shell, 4, diadic RFID chip, 5, on intermediate plate is installed; 6, intermediate plate is installed down, 7, first lock body, 8, temporary ground wire, 9, second lock body; 10, unlock hole, 11, read a yard chamber opening, 12, computer key, the 20, the one RFID chip; 21, the 2nd RFID chip, 22-capacitor, 23-inductor, 24-magnetic diverter switch.
Embodiment
The implementation of above-mentioned summary of the invention can be diversified, below introduce with regard to a kind of embodiment wherein.
The invention discloses a kind of ground wire locking device,, wherein, include first lock body 7 and second lock body 9 like Fig. 1,2; Said first lock body 7 includes the first lock shell 1 and first ground wire fixed installation intermediate plate parts that are positioned at the first lock shell bottom; Said first lock body includes first working face, is positioned on the side wall surface of the first lock shell 1; Lock pin 2 stretches out from said first working face, and first ground wire fixed installation intermediate plate parts are positioned on first working face with the fixture that is connected of the first lock shell; Said second lock body 9 includes the second lock shell 3 and second ground wire fixed installation intermediate plate parts that are positioned at the second lock shell, 3 bottoms; Said second lock body 9 includes second working face, be positioned at second the lock shell with first working face side wall surface in opposite directions on; Lock pin 2 passes second working face and is positioned at the inner mechanism that unblocks of the second lock shell and is connected adaptively, and the fixture that is connected that second ground wire fixed installation intermediate plate parts and second are locked shell is positioned on second working face.
On the said lock pin 2 permanent magnet is installed.
Include diadic RFID chip 4 in the inner chamber of the said second lock shell 3.
On the side wall surface relative of the said second lock shell 3, be provided with and read yard chamber opening 11 and unlock hole 10 with second working face.
First ground wire fixed installation intermediate plate parts adopt identical structure with second ground wire fixed installation intermediate plate parts.
Said second ground wire fixed installation intermediate plate parts include to be installed intermediate plate 5 and intermediate plate 6 is installed down; The said middle part that intermediate plate 5 is installed of going up has the deep-slotted chip breaker to arch; The middle part that intermediate plate 6 is installed down has to recessed arc groove, and deep-slotted chip breaker and arc groove form the ground wire mounting groove.
The upper surface that intermediate plate 6 is installed down is provided with the bolt erection column of a plurality of bottom seal, on intermediate plate 5 be installed be provided with bolt mounting holes, will go up through bolt and intermediate plate 5 is installed and intermediate plate 6 is installed down is connected and fixes.
The both sides that intermediate plate 6 is installed down are provided with bending strip of paper used for sealing upwards.
Last installation intermediate plate 5 and the corresponding side of second working face are provided with bending bar upwards, and this bending bar is provided with screw hole, will go up installation intermediate plate 5 through screw and be fixed on second working face.
The said installation intermediate plate 5 of going up is used to install and fix temporary ground wire with the following intermediate plate 6 of installing; Last installation intermediate plate 5 is fixed the temporary ground wire cable through screw earlier with the following intermediate plate 6 of installing; Fix through fixing screw and the lock body that intermediate plate 5 sides are installed gone up then, when first lock body and the second lock body locking, on intermediate plate 5 side screws be installed blocked by lock body; Can't dismantle, thus anti-disassembling function (accompanying drawing 4) when having realized the device locking.
First lock body, two-part the unblocking of second lock body are lock pin 2 and the inner mechanism's realizations of second lock body through first lock body in the said ground wire locking device; When lock pin 2 was inserted into the lockpin hole position in second lock body, the inner mechanism of second lock body realized latch functions to lock pin.When using computer key insertion unlock hole, the sign indicating number probe of reading of computer key recognizes the correct back of RFID code value permission rotation trip lever, and the unlock button that computer key 12 is pressed in manual work is that rotatable trip lever carries out release (accompanying drawing 5,6) to device.Thereby the locking of implement device and unlocking function.
Like Fig. 3, said diadic RFID chip 4 is used for device identification and release or blocking sign, and it can carry out the switching of RFID code value according to release of installing or blocking automatically.Its internal structure includes a RFID chip 20, the 2nd RFID chip 21, capacitor 22, inductor 23 and magnetic diverter switch 24; Adopt the mode of parallel connection to connect respectively; Magnetic diverter switch 24 conducting contacts are under the condition in magnetic field; Be on the acquiescence contact point, when switching on other contact under the condition that magnetic field is being arranged.
Lock pin 2 when the device locking in first lock body 7 inserts in second lock body 9; The magnetic diverter switch 24 conducting contacts that permanent magnet in the lock pin 2 triggers in the diadic RFID chip 4 in second lock body 9 switch; Use a RFID chip 20 to switch to connection use the 2nd RFID chip 21 by connecting, thereby the RFID code value that reads on the computer key become the 2nd RFID chip code value by a RFID chip code value.Thereby realize diadic RFID chip and the corresponding function of device locking released state.
Above-mentioned ground wire locking device and temporary ground wire fixed installation back are shown in accompanying drawing 4, accompanying drawing 5.Temporary ground wire 8 can not normally use during the locking of ground wire locking device, and temporary ground wire 8 can normally use after the release of ground wire locking device.It is used with computer key and realizes that anti-error operating procedure is identical with the operating procedure in the summary of the invention.
The blocking method of above-mentioned ground wire locking device; Wherein, First lock body and second lock body are fixed on respectively on the temporary ground wire one or both ends, and when said first lock body and second lock body were in blocking, first lock body was linked together and can not be separated by lockable mechanism with second lock body; When being in released state, first lock body separates with second lock body; Said diadic RFID chip is fixed on the lock body, when first lock body and the second lock body blocking and released state, provides different RFID code values respectively.
Said ground wire locking device and computer key are used, and computer key can be discerned the temporary grounding line states that installs and fixes with it through the RFID code value of discerning said device, realize the collection of temporary ground wire release and blocking.
The blocking method of said ground wire locking device, in electric power grid switching operation process, said device and computer key are used realizes that fool proof step is following:
Step 1: discern interim ground wire;
When articulating the operating procedure of temporary ground wire; Operating personnel are inserted into computer key in yard chamber of reading of ground wire locking device on the employed temporary ground wire; Computer key reads the code value of diadic RFID chip automatically then; If judge that code value is correct, then allows release, otherwise does not allow release and provide prompting;
Step 2: release temporary ground wire;
If step 1 allows release, operating personnel press the unlock button of computer key, and at this moment two parts lock body of device separates; Diadic RFID chip code value becomes release attitude code value by locking attitude code value; After computer key is read release attitude code value, confirm temporary ground wire release, get into next step; If the RFID code value does not become release attitude code value, then continue this temporary ground wire of prompting release;
Step 3: articulate temporary ground wire;
The staff is articulating temporary ground wire on the equipment;
Step 4: remove and the locking temporary ground wire;
When removing the step of temporary ground wire; Operating personnel use computer key to recognize the correct back of temporary ground wire and remove temporary ground wire from line facility; Manual then the lock body locking that is installed in the temporary ground wire two ends; At this moment the diadic RFID chip code value in the lock body becomes locking attitude code value by release attitude code value, and the code value that computer key is read the locking attitude confirms that promptly temporary ground wire really removes from line facility, allows next step to operate; Otherwise computer key does not allow next step operation, till reading locking attitude code value.
Above-mentioned listed concrete implementation is nonrestrictive, to one skilled in the art, is not departing from the scope of the invention, and various improvement and the variation carried out all belong to protection scope of the present invention.
Claims (10)
1. a ground wire locking device is characterized in that: include first lock body (7) and second lock body (9); Said first lock body (7) includes the first lock shell (1) and is positioned at first ground wire fixed installation intermediate plate parts of the first lock shell bottom; Said first lock body includes first working face, is positioned on the side wall surface of the first lock shell (1); Lock pin (2) stretches out from said first working face, and first ground wire fixed installation intermediate plate parts are positioned on first working face with the fixture that is connected of the first lock shell; Said second lock body (9) includes the second lock shell (3) and is positioned at second ground wire fixed installation intermediate plate parts of second lock shell (3) bottom; Said second lock body (9) includes second working face, be positioned at second the lock shell with first working face side wall surface in opposite directions on; Lock pin (2) passes second working face and is positioned at the inner mechanism that unblocks of the second lock shell and is connected adaptively, and the fixture that is connected that second ground wire fixed installation intermediate plate parts and second are locked shell is positioned on second working face.
2. a kind of ground wire locking device as claimed in claim 1 is characterized in that: said lock pin is equipped with permanent magnet on (2); Include diadic RFID chip (4) in the inner chamber of the said second lock shell (3).
3. a kind of ground wire locking device as claimed in claim 2 is characterized in that: on the side wall surface relative with second working face of the said second lock shell (3), be provided with and read yard chamber opening (11) and unlock hole (10).
4. a kind of ground wire locking device as claimed in claim 2 is characterized in that: first ground wire fixed installation intermediate plate parts adopt identical structure with second ground wire fixed installation intermediate plate parts; Said second ground wire fixed installation intermediate plate parts include to be installed intermediate plate (5) and intermediate plate (6) is installed down; The said middle part that intermediate plate (5) is installed of going up has the deep-slotted chip breaker to arch; The middle part that intermediate plate (6) is installed down has to recessed arc groove, and deep-slotted chip breaker and arc groove form the ground wire mounting groove.
5. like each described a kind of ground wire locking device in the claim 1 to 4; It is characterized in that: the upper surface that intermediate plate (6) is installed down is provided with the bolt erection column of a plurality of bottom seal; Last installation intermediate plate (5) is provided with bolt mounting holes, will go up installation intermediate plate (5) through bolt and be connected fixing with the following intermediate plate (6) of installing.
6. a kind of ground wire locking device as claimed in claim 5 is characterized in that: the both sides that intermediate plate (6) is installed down are provided with bending strip of paper used for sealing upwards; Last installation intermediate plate (5) is provided with bending bar upwards with the corresponding side of second working face, and this bending bar is provided with screw hole, will go up installation intermediate plate (5) through screw and be fixed on second working face.
7. a kind of ground wire locking device as claimed in claim 5; It is characterized in that: said diadic RFID chip (4) internal structure includes a RFID chip (20), the 2nd RFID chip (21), capacitor (22), inductor (23) and magnetic diverter switch (24); Adopt the mode of parallel connection to connect respectively; Magnetic diverter switch (24) conducting contact is on the acquiescence contact point, when switching on other contact under the condition that magnetic field is being arranged under the condition in magnetic field.
8. the blocking method of a kind of ground wire locking device as claimed in claim 1; Wherein, First lock body and second lock body are fixed on respectively on the temporary ground wire one or both ends; When said first lock body and second lock body were in blocking, first lock body was linked together and can not be separated by lockable mechanism with second lock body; When being in released state, first lock body separates with second lock body; Said diadic RFID chip is fixed on the lock body, when first lock body and the second lock body blocking and released state, provides different RFID code values respectively.
9. the blocking method of a kind of ground wire locking device as claimed in claim 8; Said ground wire locking device and computer key are used; Computer key can be discerned the temporary grounding line states that installs and fixes with it through the RFID code value of discerning said device, realizes the collection of temporary ground wire release and blocking.
10. the blocking method of a kind of ground wire locking device as claimed in claim 9, in electric power grid switching operation process, said device and computer key are used realizes that fool proof step is following:
Step 1: discern interim ground wire;
When articulating the operating procedure of temporary ground wire; Operating personnel are inserted into computer key in yard chamber of reading of ground wire locking device on the employed temporary ground wire; Computer key reads the code value of diadic RFID chip automatically then; If judge that code value is correct, then allows release, otherwise does not allow release and provide prompting;
Step 2: release temporary ground wire;
If step 1 allows release, operating personnel press the unlock button of computer key, and at this moment two parts lock body of device separates; Diadic RFID chip code value becomes release attitude code value by locking attitude code value; After computer key is read release attitude code value, confirm temporary ground wire release, get into next step; If the RFID code value does not become release attitude code value, then continue this temporary ground wire of prompting release;
Step 3: articulate temporary ground wire;
The staff is articulating temporary ground wire on the equipment;
Step 4: remove and the locking temporary ground wire;
When removing the step of temporary ground wire; Operating personnel use computer key to recognize the correct back of temporary ground wire and remove temporary ground wire from line facility; Manual then the lock body locking that is installed in the temporary ground wire two ends; At this moment the diadic RFID chip code value in the lock body becomes locking attitude code value by release attitude code value, and the code value that computer key is read the locking attitude confirms that promptly temporary ground wire really removes from line facility, allows next step to operate; Otherwise computer key does not allow next step operation, till reading locking attitude code value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110027938.9A CN102623215B (en) | 2011-01-26 | 2011-01-26 | Ground wire locking device and locking method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110027938.9A CN102623215B (en) | 2011-01-26 | 2011-01-26 | Ground wire locking device and locking method thereof |
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| Publication Number | Publication Date |
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| CN102623215A true CN102623215A (en) | 2012-08-01 |
| CN102623215B CN102623215B (en) | 2014-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110027938.9A Active CN102623215B (en) | 2011-01-26 | 2011-01-26 | Ground wire locking device and locking method thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103345374A (en) * | 2013-07-09 | 2013-10-09 | 京东方科技集团股份有限公司 | Multi-screen display device and method for eliminating multi-screen signal interference |
| CN103475101A (en) * | 2013-09-18 | 2013-12-25 | 国家电网公司 | Misoperation-preventive locking management system of temporary ground wire of substation |
| CN104238393A (en) * | 2014-09-04 | 2014-12-24 | 国家电网公司 | Temporarily grounded electrical controller |
| CN106654743A (en) * | 2016-12-28 | 2017-05-10 | 长园共创电力安全技术股份有限公司 | Temporary ground lead unlocking and locking device |
| CN106654630A (en) * | 2016-12-28 | 2017-05-10 | 长园共创电力安全技术股份有限公司 | Temporary ground wire |
| CN106783281A (en) * | 2016-12-28 | 2017-05-31 | 长园共创电力安全技术股份有限公司 | Prevent the control system and control method of electric misoperation |
| CN108512313A (en) * | 2018-05-17 | 2018-09-07 | 长园共创电力安全技术股份有限公司 | A kind of power distribution network temporary grounding wire management system and control method |
| US11030511B2 (en) | 2017-04-21 | 2021-06-08 | Assaabloy Ab | Housing for identification device |
| CN113205670A (en) * | 2021-04-01 | 2021-08-03 | 杭州电子科技大学 | Radio frequency identification-based wireless multi-way switch controller and use method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3949336A (en) * | 1975-01-08 | 1976-04-06 | Square D Company | Sequential resetting circuit interrupter |
| CN201282206Y (en) * | 2008-10-18 | 2009-07-29 | 山东鲁能奥特科技有限公司 | Grounding lockset capable of preventing closedown by mistake |
| CN201421968Y (en) * | 2009-05-07 | 2010-03-10 | 珠海优特电力科技股份有限公司 | Detection locking device of temporary grounding wire |
| CN201421969Y (en) * | 2009-05-15 | 2010-03-10 | 珠海优特电力科技股份有限公司 | Detection locking device of temporary grounding wire |
| CN201584660U (en) * | 2009-12-17 | 2010-09-15 | 山东电力集团公司超高压公司 | Earth wire locking device |
| CN201994207U (en) * | 2011-01-26 | 2011-09-28 | 珠海优特电力科技股份有限公司 | Ground wire lock device |
-
2011
- 2011-01-26 CN CN201110027938.9A patent/CN102623215B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3949336A (en) * | 1975-01-08 | 1976-04-06 | Square D Company | Sequential resetting circuit interrupter |
| CN201282206Y (en) * | 2008-10-18 | 2009-07-29 | 山东鲁能奥特科技有限公司 | Grounding lockset capable of preventing closedown by mistake |
| CN201421968Y (en) * | 2009-05-07 | 2010-03-10 | 珠海优特电力科技股份有限公司 | Detection locking device of temporary grounding wire |
| CN201421969Y (en) * | 2009-05-15 | 2010-03-10 | 珠海优特电力科技股份有限公司 | Detection locking device of temporary grounding wire |
| CN201584660U (en) * | 2009-12-17 | 2010-09-15 | 山东电力集团公司超高压公司 | Earth wire locking device |
| CN201994207U (en) * | 2011-01-26 | 2011-09-28 | 珠海优特电力科技股份有限公司 | Ground wire lock device |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103345374A (en) * | 2013-07-09 | 2013-10-09 | 京东方科技集团股份有限公司 | Multi-screen display device and method for eliminating multi-screen signal interference |
| US9541950B2 (en) | 2013-07-09 | 2017-01-10 | Boe Technology Group Co., Ltd. | Multi-screen display apparatus and method for eliminating signal interferences in multi-screens |
| CN103475101A (en) * | 2013-09-18 | 2013-12-25 | 国家电网公司 | Misoperation-preventive locking management system of temporary ground wire of substation |
| CN104238393A (en) * | 2014-09-04 | 2014-12-24 | 国家电网公司 | Temporarily grounded electrical controller |
| CN104238393B (en) * | 2014-09-04 | 2017-01-11 | 国家电网公司 | Temporarily grounded electrical controller |
| CN106654743A (en) * | 2016-12-28 | 2017-05-10 | 长园共创电力安全技术股份有限公司 | Temporary ground lead unlocking and locking device |
| CN106654630A (en) * | 2016-12-28 | 2017-05-10 | 长园共创电力安全技术股份有限公司 | Temporary ground wire |
| CN106783281A (en) * | 2016-12-28 | 2017-05-31 | 长园共创电力安全技术股份有限公司 | Prevent the control system and control method of electric misoperation |
| CN106783281B (en) * | 2016-12-28 | 2019-04-05 | 长园共创电力安全技术股份有限公司 | Prevent the control system and control method of electric misoperation |
| US11030511B2 (en) | 2017-04-21 | 2021-06-08 | Assaabloy Ab | Housing for identification device |
| CN108512313A (en) * | 2018-05-17 | 2018-09-07 | 长园共创电力安全技术股份有限公司 | A kind of power distribution network temporary grounding wire management system and control method |
| CN113205670A (en) * | 2021-04-01 | 2021-08-03 | 杭州电子科技大学 | Radio frequency identification-based wireless multi-way switch controller and use method |
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