CN203588872U - Electricity testing locking device - Google Patents
Electricity testing locking device Download PDFInfo
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- CN203588872U CN203588872U CN201320683261.9U CN201320683261U CN203588872U CN 203588872 U CN203588872 U CN 203588872U CN 201320683261 U CN201320683261 U CN 201320683261U CN 203588872 U CN203588872 U CN 203588872U
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- locking device
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- analysis control
- lock
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- 230000005611 electricity Effects 0.000 title abstract description 8
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 238000012795 verification Methods 0.000 claims description 20
- 238000007689 inspection Methods 0.000 claims description 9
- 230000009467 reduction Effects 0.000 claims description 6
- 230000000087 stabilizing effect Effects 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 abstract 3
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- 101100532451 Rattus norvegicus Slc22a17 gene Proteins 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
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Abstract
The utility model relates to the high voltage switch cabinet field, and especially relates to an electricity testing locking device. The electricity testing locking device comprises a lock door, a lock body, a signal conversion transmission unit, a logical analysis control unit and a linkage unlocking unit, and the signal conversion transmission unit, the logical analysis control unit and the linkage unlocking unit are arranged in the lock body and connected in order. The signal conversion transmission unit is connected with a high voltage sensor arranged on a high voltage line, can acquire information whether the high voltage line in a high voltage switch cabinet is charged or not, then sends the information to the logical analysis control unit. The logical analysis control unit analyzes the information and determines whether unlocking can be carried out. If unlocking can be carried out, the e logical analysis control unit gives the linkage unlocking unit an unlocking instruction, the linkage unlocking unit works and opens the lock door; if unlocking cannot be carried out, the e logical analysis control unit does not give out an unlocking instruction, the linkage unlocking unit and the lock door are cooperated with each other, and the lock door keeps a closed state. The electricity testing locking device is safe, reliable, and convenient to use.
Description
Technical field
The utility model relates to high-tension switch cabinet field, relates in particular to a kind of electrical verification locking device.
Background technology
High-tension switch cabinet must be first closed ground switch earthing in the process of maintenance and maintenance, prevent that misoperation damages the person in work progress, when distribution facility normally moves, earthed switch must be open mode, otherwise can there is breaking phenomena, so the door lock of earthed switch management is also strict.When high-tension switch cabinet electrification in high voltage, the door lock of earthed switch can not be opened, in case open earthed switch, causes the generation of breaking phenomena; When high-tension switch cabinet is not charged, the door lock of earthed switch just can be opened, and so that earthed switch is closed, prevents that misoperation damages the person in work progress.
At present, the control of the handle hole of earthed switch or cabinet door is adopted to electromagnetic lock or traditional padlock.The low voltage operated power supply of electromagnetic lock is often taken from voltage transformer (PT), the low-voltage ac voltage of being exported by voltage transformer, this voltage be with cabinet in high pressure connect together, while there is no high pressure in cabinet, the power supply of electromagnetic lock has not existed yet, and electromagnetic lock can not worked because there is no power supply, if want in this case, open cabinet door, can only increase equipment volume and cost specially for it installs a set of emergency power supply (UPS) additional, also use inconvenience.
Traditional padlock is used very simple, only need to pin handle hole or the door of earthed switch, while guaranteeing electrification in high voltage, forbidden to unblank, do not have after electricity by keeper or professional's unlock operation, but need strict operating process and management regulation, in practice, owing to violating operating process and management regulation, the accident of misoperation or operation against rules occurs repeatedly, so adopt traditional padlock, security reliability is poor.
Therefore,, for above deficiency, the utility model provides a kind of electrical verification locking device.
Utility model content
(1) technical problem that will solve
The purpose of this utility model is to provide a kind of electrical verification locking device safe and reliable, easy to use.
(2) technical scheme
In order to solve the problems of the technologies described above, it is a kind of that the utility model provides, it comprises a kind of electrical verification locking device, it comprise lock a door, lock body be arranged on lock body in the signal converting transmission unit, logic analysis control unit and the interlock that are connected the successively unit of unblanking, signal converting transmission unit is connected with the high pressure sensor being arranged on high-voltage line, and the interlock unit of unblanking matches with locking a door.
Wherein, the interlock unit of unblanking comprises release link, Self-retaining electromagnet and plug-in unit, and the interlock end of release link and Self-retaining electromagnet is connected, and release link is connected with plug-in unit, on locking a door, is provided with socket, and plug-in unit and socket match.
Wherein, be provided with power supply interface on lock body, power supply interface is connected with logic analysis control unit, and this power supply interface matches with supplying Electrical key.
Wherein, signal converting transmission unit comprises rectification module and the Voltage stabilizing module being connected, and rectification module is connected with high pressure sensor, and Voltage stabilizing module is connected with logic analysis control unit.
Wherein, also comprise alarm modules, alarm modules is connected with logic analysis control unit.
Wherein, it also comprises display control module and the charged display lamp being connected, and display control module is connected with rectification module, and charged display lamp is arranged on lock body.
Wherein, be also provided with reduction voltage circuit module in lock body, be provided with nuclear phase inspection hole on lock body, nuclear phase inspection hole is connected with high pressure sensor by reduction voltage circuit module.
(3) beneficial effect
Technique scheme tool of the present utility model has the following advantages: in the electrical verification locking device that the utility model provides, signal converting transmission unit is connected with the high pressure sensor being arranged on high-voltage line, can collect switch cubicle inner high voltage tape electricity whether information, then this information is passed to logic analysis control unit, logic analysis control unit is analyzed this information, and judge whether to unblank, if high pressure is not with electric energy to unblank, logic analysis control unit is unblanked unit with unlock instruction to interlock, the interlock cell operation of unblanking, opens and locks a door; If electrification in high voltage can not be unblanked, logic analysis control unit does not send unlock instruction, and unblank unit and locking a door of interlock matches, the forced blocking of locking a door, and this electrical verification locking device is safe and reliable, easy to use.
Accompanying drawing explanation
Fig. 1 is the utility model embodiment electrical verification locking device blocking internal structure schematic diagram;
Fig. 2 is the utility model embodiment electrical verification locking device unlocking condition internal structure schematic diagram;
Fig. 3 is release link, Self-retaining electromagnet and plug-in unit assembly relation schematic diagram in the utility model embodiment electrical verification locking device;
Fig. 4 is the structure annexation schematic diagram of signal converting transmission unit in the utility model embodiment electrical verification locking device.
In figure, 1: lock body; 2: power supply interface; 3: release link; 4: end plate; 5: lock a door; 6: control circuit board; 7: socket; 8: high pressure sensor; 9: Self-retaining electromagnet; 10: spring; 11: nuclear phase inspection hole; 12: charged display lamp.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples are used for illustrating the utility model, but are not used for limiting scope of the present utility model.
As depicted in figs. 1 and 2, the electrical verification locking device that the utility model provides comprises locks a door 5, lock body 1 be arranged on lock body 1 in the signal converting transmission unit that is connected successively, logic analysis control unit and the interlock unit of unblanking, signal converting transmission unit, logic analysis control unit is arranged on control circuit board 6, signal converting transmission unit is connected with the high pressure sensor 8 being arranged on high-voltage line, the interlock unit of unblanking comprises release link 3, Self-retaining electromagnet 9 and plug-in unit, the interlock end of release link 3 and Self-retaining electromagnet 9 is connected, and release link 3 is connected with plug-in unit, lock a door on 5 and be provided with socket 7, plug-in unit and socket 7 match.
Like this, signal converting transmission unit collects switch cubicle inner high voltage tape electricity whether information by high pressure sensor 8, then this information is passed to logic analysis control unit, logic analysis control unit is analyzed this information, and judge whether to unblank, if can unblank, give 9 one reverse magnetic field voltages of Self-retaining electromagnet, Self-retaining electromagnet 9 no longer keeps adhesive, upwards action under the effect of its spring 10, drive plug-in unit and release link 3 to move upward, plug-in unit leaves 5 the socket 7 of locking a door, lock a door and 5 can open, if can not unblank, Self-retaining electromagnet 9 keeps adhesive, plug-in unit and 5 the socket 7 of locking a door match, lock a door and 5 close.
Particularly, as shown in Figures 2 and 3, the lower end of release link 3 is connected with the top (the interlock end of Self-retaining electromagnet 9) of piston boit in Self-retaining electromagnet 9, the lower end of Self-retaining electromagnet 9 is adhesive end, the top cover of piston boit has spring 10, the upper end of spring 10 is provided with catch, the lower end of spring 10 is connected with the framework of Self-retaining electromagnet 9, plug-in unit comprises connector and end plate 4, connector is a right angle frame, comprise three edges, the upper end of right angle frame is connected with release link 3, and lower end is connected with end plate 4.Press release link 3, release link 3 drives end plate 4 to insert in the socket 7 of door lock by connector, while release link 3 Compress Springs 10 also drive piston boit to move down, under Self-retaining electromagnet 9 self-field effects, the bottom adhesive of the framework of the lower end of piston boit and Self-retaining electromagnet 9, the socket 7 of end plate 4 and door lock matches, lock a door and 5 be kept closed, if Self-retaining electromagnet 9 is received from one of logic analysis control unit reverse magnetic field voltage, Self-retaining electromagnet 9 no longer keeps adhesive, upwards action under the effect of its spring 10, end plate 4 and release link 3 move upward, lock a door 5 in can open mode.
Further, be provided with power supply interface 2 on lock body 1, power supply interface 2 is connected with logic analysis control unit, and this power supply interface 2 matches with supplying Electrical key, and power supply is provided with on the key for eletric button.By inserting for Electrical key and can provide an independently external power source to logic analysis control unit in power supply interface 2, so that the work of logic analysis control unit.If take off for Electrical key, logic analysis control unit is not worked, and Self-retaining electromagnet 9 keeps attracting states, locks a door 5 to close.This independently-powered mode, easy to use, with low cost.Certainly, logic analysis control unit also can have other supply power modes.
Particularly, as shown in Figure 4, signal converting transmission unit comprises rectification module and the Voltage stabilizing module being connected, and rectification module is connected with high pressure sensor 8, and Voltage stabilizing module is connected with logic analysis control unit.
Further, also comprise alarm modules, alarm modules is connected with logic analysis control unit, and alarm modules is a buzzer; It also comprises display control module and the charged display lamp 12 being connected, and display control module is connected with rectification module, and as shown in Figure 1, charged display lamp 12 is arranged on lock body 1, for showing in real time charged situation.
Further, be also provided with reduction voltage circuit module in lock body 1, as shown in Figure 1, be provided with nuclear phase inspection hole 11 on lock body 1, nuclear phase inspection hole 11 is connected with high pressure sensor 8 by reduction voltage circuit module, for nuclear phase electrical verification.
The course of work of the present utility model is: when electrification in high voltage, display lamp flicker, illustrate in switch cubicle and have electricity, while nuclear phase inspection hole 11 exportable voltages, whether detected phase is correct, now inserting power supply interface 2 for Electrical key, press for eletric button the work of logic analysis control unit, output alarm prompting, lock a door and 5 can not open, realize forced blocking; When high pressure is not charged, display lamp does not glimmer, and nuclear phase inspection hole 11 detects does not have voltage yet, now inserting power supply interface 2 for Electrical key, press for eletric button, and the work of logic analysis control unit, output unlock instruction, locks a door and 5 opens.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; do not departing under the prerequisite of the utility model know-why; can also make some improvement and modification, these improve and modification also should be considered as protection range of the present utility model.
Claims (7)
1. an electrical verification locking device, it is characterized in that: it signal converting transmission unit, logic analysis control unit and interlock being connected successively in comprising lock a door (5), lock body (1) and being arranged on lock body (1) unit of unblanking, signal converting transmission unit is connected with the high pressure sensor (8) being arranged on high-voltage line, and the interlock unit of unblanking matches with lock a door (5).
2. electrical verification locking device according to claim 1, it is characterized in that: the interlock unit of unblanking comprises release link (3), Self-retaining electromagnet (9) and plug-in unit, release link (3) is connected with the interlock end of Self-retaining electromagnet (9), and release link (3) is connected with plug-in unit, lock a door on (5) and be provided with socket (7), plug-in unit and socket (7) match.
3. electrical verification locking device according to claim 1 and 2, is characterized in that: on lock body (1), be provided with power supply interface (2), power supply interface (2) is connected with logic analysis control unit, and this power supply interface (2) matches with supplying Electrical key.
4. electrical verification locking device according to claim 3, is characterized in that: signal converting transmission unit comprises rectification module and the Voltage stabilizing module being connected, and rectification module is connected with high pressure sensor (8), and Voltage stabilizing module is connected with logic analysis control unit.
5. electrical verification locking device according to claim 4, is characterized in that: it also comprises alarm modules, and alarm modules is connected with logic analysis control unit.
6. electrical verification locking device according to claim 4, is characterized in that: it also comprises display control module and the charged display lamp (12) being connected, and display control module is connected with rectification module, and charged display lamp (12) is arranged on lock body (1).
7. electrical verification locking device according to claim 1, it is characterized in that: lock body is also provided with reduction voltage circuit module in (1), on lock body (1), be provided with nuclear phase inspection hole (11), nuclear phase inspection hole (11) is connected with high pressure sensor (8) by reduction voltage circuit module.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201320683261.9U CN203588872U (en) | 2013-10-31 | 2013-10-31 | Electricity testing locking device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201320683261.9U CN203588872U (en) | 2013-10-31 | 2013-10-31 | Electricity testing locking device |
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CN203588872U true CN203588872U (en) | 2014-05-07 |
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CN201320683261.9U Expired - Lifetime CN203588872U (en) | 2013-10-31 | 2013-10-31 | Electricity testing locking device |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108824992A (en) * | 2018-06-25 | 2018-11-16 | 常州电子研究所有限公司 | Smart locking device and system |
CN109216066A (en) * | 2018-09-13 | 2019-01-15 | 广东求精电气有限公司 | A kind of easy-operating switchgear anti-misoperation locking device |
-
2013
- 2013-10-31 CN CN201320683261.9U patent/CN203588872U/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108824992A (en) * | 2018-06-25 | 2018-11-16 | 常州电子研究所有限公司 | Smart locking device and system |
CN109216066A (en) * | 2018-09-13 | 2019-01-15 | 广东求精电气有限公司 | A kind of easy-operating switchgear anti-misoperation locking device |
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Granted publication date: 20140507 |
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CX01 | Expiry of patent term |