CN200976146Y - Bluetooth unlocking device - Google Patents
Bluetooth unlocking device Download PDFInfo
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- CN200976146Y CN200976146Y CNU2006200119308U CN200620011930U CN200976146Y CN 200976146 Y CN200976146 Y CN 200976146Y CN U2006200119308 U CNU2006200119308 U CN U2006200119308U CN 200620011930 U CN200620011930 U CN 200620011930U CN 200976146 Y CN200976146 Y CN 200976146Y
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Abstract
The utility model provides a blue tooth unlock device, which comprises a programmable microcontroller unit which can be communicated with intelligent locks, an unlock blue tooth module which can be communicated with palmtop computers, an electromagnetic unlock unit and a power supply unit; the electromagnetic unlock unit and the unlock device blue tooth module are connected with the programmable microcontroller unit separately, the power supply unit is connected with all the units separately. The palmtop computer can collect codes and signals from the intelligent locks in the way of wireless communication by the blue tooth unlock device of the utility model, and achieve long-distance automatic closed loop control, completely achieve the purpose of preventing electric misoperation, and can be widely used in the electric misoperation prevention locking device of the various indoor, the external circuit breaker, and the switch-disconnector in the 6 to 500KV substation or distribution station.
Description
Technical field
The utility model belongs to the technical measures field that electrical system prevents electric misoperation, is specifically related to a kind of intelligent remote control unlocking apparatus that adopts Bluetooth technology.
Background technology
For preventing electric fault-operation accident, be referred to as " five is anti-" in electric system: promptly prevent the mistake branch, close isolating switch; Prevent the on-load branch, close disconnector; Prevent charged extension (closing) ground wire (grounding switch); Prevent to be with ground wire (grounding switch) to close isolating switch (disconnector); Prevent mistakenly entering charged chamber, and the general version of the microcomputer type anti-misoperation locking device that grows up is made up of following four parts:
By the operation on intelligent simulation board, operational order is sent into industrial computer, get operation order, simultaneously by serial communication, operation order is imported among the computer key, remove to open the coding lock that is loaded on each operating position again with computer key then, operate.
Its existing problems mainly contain:
1, the structure link is many, and overhead time is long, and operating speed is slow, and transformer station's interruption maintenance time is long.
2, computer key is only realized by given order lockset inspection sign indicating number being unblanked, to whether having the such condition of unblanking of high-tension electricity not judge on the operation route or at interval, can not prevent charged splice grafting ground disconnecting link and prevent mistakenly entering charged chamber, can not all realize " five is anti-" function, therefore still have accident potential.
3, cost is too high, is fit to above transformer station of 110KV and big power station and uses, and the following transformer station of 35KV One's name is legion is if a large amount of configuration must cause great waste.
The January 10 calendar year 2001 day for announcing, the Chinese patent of notification number CN2414457Y discloses a kind of improved on this basis microcomputer linkage fastener, comprise computer key and lockset, wherein computer key comprises that microprocessor and photoelectricity adopts a yard module, lockset is provided with photoelectric coding, mechanical variable code and electro-optical feedback, the sequence of operation and the anti-error rule of the operation order regulation of electric system all are solidificated in the computer key with the means of software programming, adopt non-contact type photoelectricity to adopt sign indicating number, system controlled by computer is unblanked, and has saved intelligent simulation board and industrial control microcomputer, simple in structure, easy to operate.
September 20 2006 day for announcing, the Chinese patent of notification number CN1276445C discloses a kind of further improved microcomputer linkage fastener, comprise lockset and with the electron key of its coupling, lockset is provided with the information output unit that is used to detect lockset and on off state thereof, and electron key is provided with collecting unit, control module, display unit, solenoid actuated unit, power supply unit and the programmable logic device unit that is used to accept above-mentioned status information.Its lockset adopts the mode of mechanical contact that each lockset is carried out the lockset coding, lockset provides an electro-optical feedback signal and a mechanical variable code signal simultaneously, thereby make electron key can not only discern lockset (lockset coding), and can obtain the state (electro-optical feedback signal) of the switch that links with lockset and the state (mechanical variable code) of lockset self; Electron key and the lockset and the control loop formation closed loop that match and use with it read lock status by electro-optical feedback, utilize mechanical variable code to stop " walking idle running " phenomenon, can prevent that charged ground connection and solution from preventing problems such as mistakenly entering charged chamber; Compare with conventional microcomputer linkage lock scheme, have more technology and cost advantage.
The structural drawing of above-mentioned two kinds of modified shutting device to prevent mistakes in microcomputer is:
Its principal feature is:
1, according to the electric operation ticket and the anti-error rule of transformer station, programming is stored among the computer key, directly lockset is carried out unlock operation, and is quick and convenient, and the operation auxiliary movement is few, has shortened the power failure running time greatly.
2, computer key is gathered lockset coding, the condition of unblanking and the operation information that puts in place by infrared-ray communication, has realized lockset is realized that " be docile and obedient preface, according to condition " unblank, and has caught the basic of electric anti-misoperation; The lockset fixed installation, " walking idle motion " phenomenon is avoided in forced blocking; Five anti-perfect in shape and functions.
Its major defect is: computer key need insert unlock operation and the non-productive operation action that lockset carries out artificial contact, makes troubles to operating process.
Palm PC is applied to electric anti-error locking system, mainly concentrate at present and strengthen the computer key function, with the anti-error main control microcomputer of palm, communication, adapter and three zoariums of computer key, form the PDA computer key, promptly utilize palm PC to simulate the industrial control microcomputer and the intelligent simulation board function of conventional microcomputer block sytem, add parts such as manual contact unlocking mechanism, thereby form the PDA computer key, but its mode of unblanking is still manually unblanking of contact, still needs to be equipped with many computer key.
Bluetooth (Bluetooth) technology is an opening, short-distance wireless communication technology standard, it can be used in small range mode by wireless connections and realize network interconnection between fixed equipment and the mobile device, can realize between various digital devices flexibly, the speech and the data communication of safety, low cost, low power consumption.As (also claiming PDA by the city's product palm PC that has adopted Bluetooth technology, personal digital assistant Personal Digital Assistant), the user can be easily adopts the digital device such as notebook computer of Bluetooth technology or the industrial digital equipment of embedded bluetooth module to communicate or link the Internet with other, Bluetooth technology has been developed fast at wireless communication field and various industrial circle since 1998 come out, and can provide complete PDA software and hardware solution as market, the end product of bluetooth PDA and the practical embedded bluetooth module of industrial digital equipment.
The utility model content
Goal of the invention of the present utility model is: overcome the deficiency that prior art exists, adopt Bluetooth technology, a kind of general lockaid gun of new design, palm PC is " bridge " with this general lockaid gun, mode that just can wireless telecommunications is adopted sign indicating number to supporting intelligent lock and is accepted and believed, thereby realizes the intelligent remote control unlocking apparatus of long distance automated closed-loop control.
The technical solution of the utility model is: a kind of bluetooth lockaid gun is provided, comprise can with micro controller unit able to programme, the electromagnetism of intelligent lock communication unblank unit and power supply unit; It is characterized in that: also comprise can with the bluetooth module of palm PC communication; Bluetooth module and the electromagnetism unit of unblanking is connected with micro controller unit able to programme respectively, and power supply unit is connected with said units respectively.
Described micro controller unit able to programme also is connected with power supply supervision unit with the state indicating member.
Described state indicating member is indicated by a tri-colour LED completion status.
The described electromagnetism unit of unblanking is made up of on-off circuit, current-limiting circuit and solenoid.
Described power supply unit can be the intelligent lock power supply.
The utility model has following advantage compared with the prior art:
1, the utility model makes the method that realizes wireless telecommunications and control between PDA and the numerous intelligent lock with a public lockaid gun, the new structure of collection information acquisition, transmission and electromagnetism auto-unlocking system zoarium, simply, efficiently, realized easy to operately, quick, reached the high unity of functional, the reliability of knowing clearly, convenience.
2, permanent magnet (lockset physical construction) perfect adaptation of electromagnetism of the present utility model (lockaid gun electromagnetism unblank unit) technology and intelligent lock, reach the auto-unlocking new technology of low-voltage, little electric current, low-power consumption, this electromagnetism unlocking system (lockaid gun electromagnetism unblank unit) and blocking mechanism (lockset) separated structures form have simplified being installed on on-the-spot lockset physical construction greatly.
3, the utility model adopts the electromagnetism unlocking mechanism of dispense with outer connecting power and cabling, only needs the bluetooth lockaid gun is inserted intelligent lock, can carry out contactless long distance and adopt sign indicating number automatically and accept and believe and long distance auto-unlocking, advanced technology.
Description of drawings
Fig. 1 is the fundamental diagram of the utility model bluetooth lockaid gun;
Fig. 2 is the structural principle block scheme of bluetooth lockaid gun of the present utility model;
Fig. 3 is the structural principle block scheme of the embodiment of bluetooth lockaid gun;
Fig. 4 is the wiring diagram of the embodiment of bluetooth lockaid gun;
Fig. 5 is a workflow synoptic diagram of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
In Fig. 1 fundamental diagram of the present utility model:
The design of bluetooth lockaid gun reaches the lockset information of gathering, the conversion transmission mode also realizes the effect of long distance auto-unlocking, owing to be provided with the bluetooth module that can carry out wireless telecommunications with palm PC, microprocessor and related circuit thereof, form one and can carry out wireless data communication with PDA, can receive unlock instruction again, insert lockset and lockset is realized " relay station " of the anti-misoperation system of auto-unlocking, as long as with a bluetooth lockaid gun, can make and realize wireless telecommunications and the control of long distance automated closed-loop between palm PC and the numerous intelligent lock, that is: the bluetooth lockaid gun can insert lockset and carry out cable data and information acquisition with lockset by sequence of operation, handle through its processing, received by PDA in the mode of wireless telecommunications; The embedded electric misoperation application software that prevents of PDA, whether, unblank condition whether correct according to unblanking in proper order, encoding satisfies as criterion and assigns unlock instruction, realize the touchless electromagnetism auto-unlocking of long distance function, the electric switch that PDA receives the collection of bluetooth lockaid gun when end of operation is the signal that puts in place of lock operation again, send this operation steps end of operation and enter the indication of next step operation, thereby cooperate detection and the control of palm PC realization the contactless long distance of lockset.This by a public lockaid gun, include the electromagnetism unlocking system that separates with the blocking mechanism lockset, as information, instruction " relay station ", no matter insert the hard-wired intelligent lock of which blocking mechanism, palm PC just can be realized the unique thinking to its communication, remote control, by the utility model is created.
Bluetooth lockaid gun of the present utility model includes the electromagnetism unlock circuit, because the mentality of designing that has adopted the electromagnetism unlocking system to separate with blocking mechanism, therefore can make lock structure obtain simplifying, be easy to different requirements according to the locking position, can be designed to switch locking device, the different structure form that knife switch lock, ground connection lock and door lock etc. and operating switch structure adapt.
In the structural principle block scheme of Fig. 2 bluetooth lockaid gun of the present utility model, the bluetooth lockaid gun comprise can with intelligent lock coding and switching information detect the treatment circuit communication micro controller unit able to programme, can with lockaid gun bluetooth module, the electromagnetism of palm PC communication unblank unit and power supply unit; The electromagnetism unit of unblanking is connected with micro controller unit able to programme respectively with the lockaid gun bluetooth module, and power supply unit is connected with said units respectively.The lockaid gun bluetooth module is realized the wireless data communication between bluetooth lockaid gun and the palm PC, both can receive the operational order of palm PC, convert thereof into to micro controller unit able to programme and can discern, handle, the information of carrying out, send micro controller unit able to programme to by the I/O port between lockaid gun bluetooth module and the micro controller unit able to programme, again can with micro controller unit able to programme from the lockset of intelligent lock coding and switching information detect processing unit detect obtain and handle after the lockset coding, the condition of unblanking, data-signals such as operational feedback information are converted to wireless signal transmission and are transmitted to palm PC.When the bluetooth lockaid gun inserts intelligent lock, micro controller unit able to programme is finished timing and is detected its lockset coding, the condition of unblanking to the lockset coding and the switching information detection processing unit of intelligent lock, and the data-signal of encoding through lockset and switching information detection processing unit processes is crossed is transmitted to palm PC by the lockaid gun bluetooth module after interconnected plug (seat) receives, handles; Further,, finish and send actuating signal after the signal Processing and send to the electromagnetism unit of unblanking, finish contactless auto-unlocking by the electromagnetism unit of unblanking through the I/O of micro controller unit able to programme port according to the palm PC unlock instruction; Power supply unit is connected with said units and is its power supply.
Promethean bluetooth lockaid gun of the present utility model, make between palm PC PDA and the numerous intelligent lock with a public lockaid gun and to have realized wireless telecommunications and control, the new structure of its collection information acquisition, Bluetooth transmission and electromagnetism auto-unlocking system zoarium, simply, efficiently, reach the high unity of functional, the reliability of knowing clearly, convenience.
In the structural principle block scheme of the embodiment of Fig. 3 the utility model bluetooth lockaid gun, the I/O port of micro controller unit able to programme also is connected with power supply supervision unit with the state indicating member; Wherein the state indicating member is finished when setting up communication between bluetooth lockaid gun energized and the palm PC, carrying out unlocking action and supply voltage is low provides different state indications when reporting to the police; Power supply supervision unit is finished the detection to supply voltage, when supply voltage reaches the low-voltage alarm setting value, by and micro controller unit able to programme between the I/O port send alerting signal; Power supply unit is connected power supply respectively with said units.
In the wiring diagram of the embodiment of Fig. 4 the utility model bluetooth lockaid gun:
Micro controller unit able to programme comprises integrated circuit U1 (adopting single-chip microcomputer, i.e. MCU-Micro Controller Unit), crystal oscillating circuit, lockset information acquisition circuit and peripheral circuit.Crystal oscillating circuit is made up of crystal-vibration-chip X1 and capacitor C 5, C6, provides clock frequency to single-chip microcomputer, makes it enter duty; The lockset information acquisition circuit is made up of edge connector JP1, resistance R 12, R13, when the bluetooth lockaid gun inserts intelligent lock, sets up information wire transmission passage between bluetooth lockaid gun and the lockset by edge connector JP1; Peripheral circuit comprises capacitor C 1 etc., satisfies U1 work and is provided with.
The lockaid gun bluetooth module comprises integrated circuit U2 and peripheral circuit thereof, wherein light emitting diode DS1 and resistance R 3 are formed bluetooth module connection status indicating circuit, resistance R 2, button S1 form removing module parameter circuit, resistance R 1 is a biasing resistor, it when switch S 2 pushes the R4 position normal operating conditions, be that parameter is provided with state when switch S 2 pushes the R5 position, capacitor C 2 is formed mu balanced circuit, lockaid gun bluetooth module transitional information transmission mode realizes the wireless data communication between bluetooth lockaid gun and the palm PC.
The electromagnetism unit of unblanking comprises the on-off circuit of being made up of resistance R 6, triode DS2 and relay K 1, by the current-limiting circuit that resistance R 7, R8, triode DS4 and relay K 2 are formed, solenoid L1.When satisfying when unblanking condition, the bluetooth lockaid gun is accepted unlock instruction, drives unblank on-off circuit 1,3 conductings be made up of triode DS2 and relay K 1 in the unit of electromagnetism, and solenoid L1 starts under full voltage, automatically keeper and the lockweight on the sucking-off lockset opened lockset.After keeper and lockweight sucking-off, through setting-up time, the actuating of relay that DS4 and K2 formed seals in the electromagnetism circuit of unblanking with resistance R 8, and to reach big electric current adhesive, little electric current keeps, the purpose of saves current consumption.
The state indicating member is made up of a tri-colour LED DS3 and resistance R 9.After energized, the tri-colour LED DS3 light that takes on a red color, when system enters operate as normal, when setting up communication contact between bluetooth module and the palm PC PDA, DS3 becomes blue passage of scintillation light, and when unlock circuit was worked, DS3 was green flicker light, when cell voltage dropped to certain numerical value, DS3 transferred the flash red light to.
Power supply supervision unit is formed the voltage testing circuit by resistance R 10 and R11, U1 accepts data by its I/O interface, when cell voltage drops to certain numerical value, drives DS3 and transfers the flash red light to, prompting bluetooth lockaid gun can not guarantee operate as normal, should carry out charging process.
Power supply unit comprises high-performance lithium battery and edge connector JP4, both being connected to bluetooth lockaid gun electric loop power supply with aforementioned each unit, is that lockset coding and switching information detect processing unit and power by its edge connector JP4 when the bluetooth lockaid gun inserts intelligent lock again.Lithium battery can recharge, once is full of the exercisable number of times in electricity back more than 500 times.
Wherein:
The RC6/TX/CK (17) of micro controller unit integrated circuit U1 able to programme and RC7RX/DT (18) pin respectively with the TXD (5) and RXD (6) the corresponding connection of pin of bluetooth module integrated circuit U2; RA0/AN0 (2) and RA1/AN1 (3) pin are unblanked corresponding connection of resistance R 7, R6 of unit with electromagnetism respectively; RB0 (21), RB1 (22), RB2 (23) pin respectively with 1 end BLUE, 3 end GREEN, the corresponding connection of 4 end RED of the tri-colour LED DS3 of state indicating member; RA2/AN2 (4) pin is connected with the mid point of R11 series circuit with power supply supervision unit R10; OSC1/CLK1 (9) is connected with 2 ends are corresponding with 1 end of crystal oscillating circuit crystal-vibration-chip X1 respectively with OSC2/CLK0 (10) pin, connects power supply ground by capacitor C 5, C6 respectively simultaneously; RC3/SCK/SCL (14) is connected with 2 ends are corresponding with 1 end of lockset information acquisition edge connector JP1 respectively with RC4/SDI/SDA (15) pin, is connected to power positive end by resistance R 12, R13 respectively simultaneously; VDD (20) pin is connected with power positive end, is connected with VSS (8,19) pin with power supply ground by capacitor C 1 simultaneously;
The CLR (1) of lockaid gun bluetooth module integrated circuit U2 end connects power positive end and ground respectively after by switch S 2 contacts and resistance R 4, R5; LNK (2) end is connected to light emitting diode DS1 positive pole by resistance R 3, and the DS1 minus earth is connected to resistance R 1 between CTS (3) and RTS (4) end; VCC (23,24) holds and is connected to positive source, and GND (19,20,21,22) holds and be connected to power cathode, is connected to capacitor C 2 between VCC end and the GND end; Sleep (15) end is received positive source by resistance R 2, can pass through button S1 ground connection simultaneously;
The unblank triode DS2 base stage connecting resistance R6 of unit of electromagnetism, grounded emitter connects positive source behind the coil of collector by relay K 1; Triode DS4 base stage connecting resistance R7, grounded emitter connects positive source behind the coil of collector by relay K 2; When the bluetooth lockaid gun is accepted unlock instruction, when solenoid L1 starts under full voltage, solenoid L1 one end is through relay K 1 contact 3 and 1 ground connection, one end connects positive source through relay K 2 contacts 1 and 2, relay K2 action behind the setting-up time, resistance R 8 is sealed in the electromagnetism circuit of unblanking, and solenoid L1 connects positive source through resistance R 8;
2 ends of the tri-colour LED DS3 of state indicating member are connected to power positive end by resistance R 9, and 1,3,4 ends are distinguished corresponding connection with RB0, RB1, the RB2 pin of integrated circuit U1;
Mid point after the resistance R 10 of power supply supervision unit and the R11 series connection is connected to the RA2/AN2 end of integrated circuit U1, another termination power positive end of R10, another termination power ground of R11.
The AT89C2051 that integrated circuit U1 in the utility model bluetooth lockaid gun adopts Atmel company to produce also can adopt the singlechip chip of the models such as PIC Series P IC16F73 of 89 series of Philips company and Microchip company; Integrated circuit U2 adopts the baseband processor of built-in ROM (read-only memory) (ROM), and bluetooth modules such as LMX9830 all can.
The typical element parameter:
Resistance: R1:1K, R2:10K, R3:1K, R4:10K, R5:10K, R6:1K, R7:1K, R8:50 Ω/3W, R9:1K, R10:100K, R11:51K; Electric capacity: C1:0.1 μ F, C2:0.1 μ F, C5:15pF, C6:15pF, power supply 3.3V.
In the workflow synoptic diagram of Fig. 5 bluetooth lockaid gun of the present utility model: beginning at first accesses tie lines figure one time with palm PC PDA, carry out simulated operation, thereby determine sequence of operation and scope, generating run sequence and operation order, start-up operation then, palm PC begins to read aloud operation steps and the content of operation on the operation order, the bluetooth lockaid gun is inserted intelligent lock to power on to intelligent lock, computer instruction is issued the bluetooth lockaid gun by bluetooth module, intelligent lock detects the lockset coding and the condition of unblanking, after handling information returned the bluetooth lockaid gun, the bluetooth lockaid gun carries out being transmitted to palm PC by the bluetooth module wireless telecommunications after the information processing, palm PC carries out logic determines, if code error or the satisfied condition of unblanking, then send the fault alarm sound, if coding is correct and the condition of unblanking satisfies, then send unlock instruction, provide the indication of " can operate " voice simultaneously, after the bluetooth lockaid gun is received unlock instruction by wireless telecommunications, the electromagnetism unlock circuit is connected automatically, lockweight is opened automatically, operating personnel extract lock shaft, operating mechanism moved in accordance with regulations operate, when operating mechanism operation put in place and automatic blocking after, operation behind the circuit breaker lock that intelligent lock sends the Hall element signal that puts in place carries out data processing and passes back to the bluetooth lockaid gun, the bluetooth lockaid gun further is transmitted to palm PC after to information processing, palm PC receives that operation puts in place and provides the indication of " operation is finished " voice after the locking after the information, and this step operates and finishes, and voice suggestion enters next step operation.
Palm PC can be by bluetooth lockaid gun of the present utility model, in the mode of wireless telecommunications intelligent lock being adopted sign indicating number accepts and believe, realize the control of long distance automated closed-loop, round Realization prevents electric misoperation, can be widely used in the electric anti-misoperation blocking device of 6-500KV change, distribution substation (institute) various indoor and outdoor isolating switch, disconnector.
Claims (5)
1, a kind of bluetooth lockaid gun, comprise can with micro controller unit able to programme, the electromagnetism of intelligent lock communication unblank unit and power supply unit; It is characterized in that: also comprise can with the bluetooth module of palm PC communication; Bluetooth module and the electromagnetism unit of unblanking is connected with micro controller unit able to programme respectively, and power supply unit is connected with said units respectively.
2, bluetooth lockaid gun according to claim 1 is characterized in that: described micro controller unit able to programme also is connected with power supply supervision unit with the state indicating member.
3, bluetooth lockaid gun according to claim 2 is characterized in that: described state indicating member is indicated by a tri-colour LED completion status.
4, bluetooth lockaid gun according to claim 1 is characterized in that: the described electromagnetism unit of unblanking is made up of on-off circuit, current-limiting circuit and solenoid.
5, bluetooth lockaid gun according to claim 1 is characterized in that: described power supply unit can be the intelligent lock power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200119308U CN200976146Y (en) | 2006-12-13 | 2006-12-13 | Bluetooth unlocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200119308U CN200976146Y (en) | 2006-12-13 | 2006-12-13 | Bluetooth unlocking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200976146Y true CN200976146Y (en) | 2007-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006200119308U Expired - Fee Related CN200976146Y (en) | 2006-12-13 | 2006-12-13 | Bluetooth unlocking device |
Country Status (1)
| Country | Link |
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| CN (1) | CN200976146Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103218861A (en) * | 2013-03-01 | 2013-07-24 | 北京英博伦科技发展有限公司 | Showcase opening system |
| CN105825561A (en) * | 2016-03-16 | 2016-08-03 | 国网安徽省电力公司六安供电公司 | Unlocking key with voice broadcasting function for high voltage electric five prevention closedown and unlocking method thereof |
| CN106207661A (en) * | 2016-09-05 | 2016-12-07 | 国网辽宁省电力有限公司大连供电公司 | A kind of plug-type bluetooth serial ports electron key |
-
2006
- 2006-12-13 CN CNU2006200119308U patent/CN200976146Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103218861A (en) * | 2013-03-01 | 2013-07-24 | 北京英博伦科技发展有限公司 | Showcase opening system |
| CN103218861B (en) * | 2013-03-01 | 2016-07-06 | 北京英博伦科技发展有限公司 | A kind of showcase open system |
| CN105825561A (en) * | 2016-03-16 | 2016-08-03 | 国网安徽省电力公司六安供电公司 | Unlocking key with voice broadcasting function for high voltage electric five prevention closedown and unlocking method thereof |
| CN105825561B (en) * | 2016-03-16 | 2018-05-29 | 国网安徽省电力公司六安供电公司 | For call out the names of those voted for while counting ballot-slips solution lock key and the unlocking method of high-voltage electrical apparatus five-defence block |
| CN106207661A (en) * | 2016-09-05 | 2016-12-07 | 国网辽宁省电力有限公司大连供电公司 | A kind of plug-type bluetooth serial ports electron key |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071114 Termination date: 20100113 |