CN104453380A - Handheld electronic unlocking key - Google Patents
Handheld electronic unlocking key Download PDFInfo
- Publication number
- CN104453380A CN104453380A CN201410712426.XA CN201410712426A CN104453380A CN 104453380 A CN104453380 A CN 104453380A CN 201410712426 A CN201410712426 A CN 201410712426A CN 104453380 A CN104453380 A CN 104453380A
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- Prior art keywords
- electrode
- rechargeable battery
- self
- limiting resistance
- circuit
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- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 abstract description 2
- 230000000903 blocking effect Effects 0.000 description 5
- 230000005611 electricity Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 206010001541 Akinesia Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a handheld electronic unlocking key. The handheld electronic unlocking key comprises a first electrode, a second electrode, a third electrode, a self-reset switch, a core circuit, a rechargeable battery, a charging circuit, a shell and an indicator light. The first electrode, the second electrode and the third electrode are respectively fixed to the shell. The first electrode and the third electrode are connected with the core circuit. The output end of a button of the self-reset switch is connected with the input end of the core circuit. The input end of the indicator light is connected with the output end of the core circuit. The input end of the charging circuit is connected with the power end of the rechargeable battery. The rechargeable battery is connected with the power end of the core circuit. The portable handheld electronic unlocking adopts the mobile power supply mode for power supply without the need of any high-voltage power source, pulse current is utilized for driving a bistable state electromagnet to forbid an earthing switch from being switched on when an operating hole of the earthing switch of a ring main unit is charged, lockout of the earthing switch of the ring main unit is easier and more reliable, lockout caused by misoperation is avoided, and personal safety of operators is guaranteed.
Description
technical field:
The present invention relates to a kind of electronic unlock key, be specifically related to the hand-held electronic unlock key that a kind of lock device aiming at solenoid actuated provides external power source.
background technology:
Locking ring main unit earthing switch handle hole, in order to prevent charged co-grounding switch, has two kinds of blocking methods at present, and one is mounting mechanical lock, and one adopts 220VAC electromagnet locking bar to block handle hole, prevents from artificially closing grounding switch by mistake.Whether the former is had a power failure by artificial judgment, as long as can by artificially opening mechanical lock when artificial judgement does not have electricity, the latter adopts 220VAC electromagnet locking bar to block handle hole and realizes locking, electromagnet akinesia when can accomplish electricity, ring main unit earthing switch handle hole is in blocking, electromagnet action when not having an electricity, ring main unit earthing switch handle hole is in released state, but because equipment has a power failure, obtain 220VAC work of electromagnet power supply to obtain with battery inversion, very large difficulty is brought like this to unblock, in releasing process, 220VAC electromagnet coil will continue energising simultaneously, if conduction time, the long 220VAC electromagnet coil that also likely causes burnt.
summary of the invention:
In order to solve the problem, the present invention proposes one and do not need high voltage source, adopt the hand-held electronic unlock key that Portable movable power supply mode is powered, utilize pulse current drive bistable electro-magnet realize ring main unit earthing switch handle hole charged time forbid close earthing switch, the locking of ring main unit earthing switch is made to become more simple and reliable, prevent incorrect manipulation deadlock, ensure the personal safety of operating personnel.
The technical solution used in the present invention is: a kind of hand-held electronic unlock key, comprises the first electrode, the second electrode, the 3rd electrode, self-resetting switch, core circuit, rechargeable battery, charging circuit, housing and indicator lamp; First electrode, the second electrode and the 3rd electrode are separately fixed on housing, and the first electrode is connected with core circuit with the 3rd electrode; The output of self-resetting switch button is connected with the input of core circuit; The input of indicator lamp is connected with the output of core circuit; The input of charging circuit is connected with the power end of rechargeable battery, and rechargeable battery is connected with the power end of core circuit.
Further, the second described electrode in the electrodes between be provided with groove.
Further, described core circuit comprises multilevel iudge circuit, benchmark current-limiting resistance, pull-up resistor, triode, Zener diode, luminous tube current-limiting resistance and base stage current-limiting resistance; Being connected with pull-up resistor, base stage current-limiting resistance and self-resetting switch respectively of multilevel iudge circuit; Base stage current-limiting resistance is connected with the base stage of triode, and the colelctor electrode of triode connects indicator lamp, and the other end of indicator lamp connects luminous tube current-limiting resistance, and the other end of luminous tube current-limiting resistance connects self-resetting switch; The pull-up resistor other end connects self-resetting switch; Zener diode one end ground connection, another termination multilevel iudge circuit and benchmark current-limiting resistance; The benchmark current-limiting resistance other end connects self-resetting switch; The other end of self-resetting switch connects rechargeable battery, and the other end of rechargeable battery connects the emitter stage of multilevel iudge circuit and triode respectively; First electrode connects self-resetting switch and multilevel iudge circuit respectively, and the 3rd electrode connects rechargeable battery and ground connection respectively.
Further, the two ends of described rechargeable battery are parallel with electric capacity.
Further, described rechargeable battery is 12V.
Further, the lantern the first described electrode and the 3rd electrode being equipped with band spring is inserted.
The present invention has positive effect:
1, the present invention adopts pulsed power supplies to export, and adapts to the blocking device that any bistable electro-magnet drives, has stronger versatility.
2, the second electrode in the electrodes between be milled with groove, groove can coordinate with the mobile slide plate on outer lock body, key can not be extracted when realizing released state, only can extract key when blocking, forget after preventing unblock and extract hand-held electronic unlock key.
3, the present invention has low-voltage deixis, carries out prompting low-voltage charge by indicator lamp.
4, the first electrode and the 3rd electrode are provided with and are with the lantern of spring to insert so that reliable contacts lock body.
accompanying drawing illustrates:
Fig. 1 is structural representation of the present invention;
Fig. 2 is core circuit syndeton schematic diagram in the present invention;
Fig. 3 is core circuit schematic diagram in the present invention.
detailed description of the invention:
Below in conjunction with accompanying drawing, the present invention is further illustrated.
As depicted in figs. 1 and 2, the present invention is a kind of hand-held electronic unlock key, is exclusively used in the lock device of solenoid actuated.The present invention includes the first electrode 1, second electrode 2, the 3rd electrode 3, self-resetting switch button 4, core circuit 5,12V rechargeable battery 6, charging circuit 7, housing 8 and indicator lamp 9.First electrode 1, second electrode 2 and the 3rd electrode 3 are separately fixed on one end of housing 8, and the first electrode 1 is connected with core circuit 5 with the 3rd electrode 3; The output of self-resetting switch 4 is connected with the input of core circuit 5; The input of indicator lamp 9 is connected with the output of core circuit 5; 12V rechargeable battery 6 is connected with the power end of core circuit 5; The input of charging circuit 7 is connected with the power end of 12V rechargeable battery 6.
Second electrode 2 in the electrodes between be milled with groove 18, groove 18 can coordinate with the mobile slide plate on outer lock body, key can not be extracted when realizing released state, only can extract key when blocking, forget after preventing unblock like this and extract hand-held electronic unlock key.
Core circuit comprises multilevel iudge circuit 10, Zener diode 11, benchmark current-limiting resistance 12, pull-up resistor 13, base stage current-limiting resistance 14, triode 15 and luminous tube current-limiting resistance 16.Being connected with pull-up resistor 13, base stage current-limiting resistance 12 and self-resetting switch 4 respectively of multilevel iudge circuit 10; Base stage current-limiting resistance 14 is connected with the base stage of triode 15, and the colelctor electrode of triode 15 connects indicator lamp 9, and the other end of indicator lamp 9 connects luminous tube current-limiting resistance 16, and the other end of luminous tube current-limiting resistance 16 connects self-resetting switch 4; Pull-up resistor 13 other end connects self-resetting switch 4; Zener diode 11 one end ground connection, another termination multilevel iudge circuit 10 and benchmark current-limiting resistance 12; Benchmark current-limiting resistance 12 other end connects self-resetting switch 4; The other end of other end connection 12V rechargeable battery 6, the 12V rechargeable battery 6 of self-resetting switch 4 connects the emitter stage of multilevel iudge circuit 10 and triode 15 respectively; First electrode 1 connects self-resetting switch 4 respectively and multilevel iudge circuit the 10, three electrode 3 connects 12V rechargeable battery 6 and ground connection respectively.
First electrode 1 and the 3rd electrode 3 provide the both positive and negative polarity unlocking power supply for lock body, in order to reduce to obtain larger instantaneous electric energy when unlocking from 12V rechargeable battery 6, adopt at the larger electric capacity 17 of 12V rechargeable battery 6 two ends parallel connection one, the electric energy that unlocking needs instantaneously obtains from electric capacity 17, so greatly extends the application life of 12V rechargeable battery 6.
The voltage that first electrode 1 and the 3rd electrode 3 export is 12V impulse type voltage, and as the power supply driving bistable electro-magnet, and the lantern that the first electrode 1 and the 3rd electrode 3 are with spring is inserted so that reliable contacts lock body.
Above by reference to the accompanying drawings to invention has been exemplary description; obvious specific implementation of the present invention is not subject to the restrictions described above; as long as have employed the improvement of the various unsubstantialities that method of the present invention is conceived and technical scheme is carried out; or design of the present invention and technical scheme directly applied to other occasion, all within protection scope of the present invention without to improve.
Claims (6)
1. a hand-held electronic unlock key, is characterized in that: comprise the first electrode, the second electrode, the 3rd electrode, self-resetting switch, core circuit, rechargeable battery, charging circuit, housing and indicator lamp; First electrode, the second electrode and the 3rd electrode are separately fixed on housing, and the first electrode is connected with core circuit with the 3rd electrode; The output of self-resetting switch button is connected with the input of core circuit; The input of indicator lamp is connected with the output of core circuit; The input of charging circuit is connected with the power end of rechargeable battery, and rechargeable battery is connected with the power end of core circuit.
2. a kind of hand-held electronic unlock key according to claim 1, is characterized in that: the second described electrode in the electrodes between be provided with groove.
3. a kind of hand-held electronic unlock key according to claim 1, is characterized in that: described core circuit comprises multilevel iudge circuit, benchmark current-limiting resistance, pull-up resistor, triode, Zener diode, luminous tube current-limiting resistance and base stage current-limiting resistance; Being connected with pull-up resistor, base stage current-limiting resistance and self-resetting switch respectively of multilevel iudge circuit; Base stage current-limiting resistance is connected with the base stage of triode, and the colelctor electrode of triode connects indicator lamp, and the other end of indicator lamp connects luminous tube current-limiting resistance, and the other end of luminous tube current-limiting resistance connects self-resetting switch; The pull-up resistor other end connects self-resetting switch; Zener diode one end ground connection, another termination multilevel iudge circuit and benchmark current-limiting resistance; The benchmark current-limiting resistance other end connects self-resetting switch; The other end of self-resetting switch connects rechargeable battery, and the other end of rechargeable battery connects the emitter stage of multilevel iudge circuit and triode respectively; First electrode connects self-resetting switch and multilevel iudge circuit respectively, and the 3rd electrode connects rechargeable battery and ground connection respectively.
4. a kind of hand-held electronic unlock key according to claim 3, is characterized in that: the two ends of described rechargeable battery are parallel with electric capacity.
5. a kind of hand-held electronic unlock key according to claim 3, is characterized in that: described rechargeable battery is 12V.
6. a kind of hand-held electronic unlock key according to claim 1, is characterized in that: the lantern the first described electrode and the 3rd electrode being equipped with band spring is inserted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410712426.XA CN104453380A (en) | 2014-12-02 | 2014-12-02 | Handheld electronic unlocking key |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410712426.XA CN104453380A (en) | 2014-12-02 | 2014-12-02 | Handheld electronic unlocking key |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104453380A true CN104453380A (en) | 2015-03-25 |
Family
ID=52900068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410712426.XA Pending CN104453380A (en) | 2014-12-02 | 2014-12-02 | Handheld electronic unlocking key |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104453380A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110273587A (en) * | 2019-05-05 | 2019-09-24 | 国网浙江海盐县供电有限公司 | A kind of ring network cabinet earthing switch anti-error lock |
| CN111091988A (en) * | 2019-12-20 | 2020-05-01 | 国网浙江海盐县供电有限公司 | Looped netowrk cabinet earthing switch maloperation blocking device that prevents |
-
2014
- 2014-12-02 CN CN201410712426.XA patent/CN104453380A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110273587A (en) * | 2019-05-05 | 2019-09-24 | 国网浙江海盐县供电有限公司 | A kind of ring network cabinet earthing switch anti-error lock |
| CN111091988A (en) * | 2019-12-20 | 2020-05-01 | 国网浙江海盐县供电有限公司 | Looped netowrk cabinet earthing switch maloperation blocking device that prevents |
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Legal Events
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150325 |