CN2111985U - Multifunctional anti-theft alarm electronic door lock - Google Patents

Abstract

The utility model relates to a multifunctional anti-theft alarm electronic door lock which mainly comprises a large tongue, a middle tongue, a small tongue, a microswitch, a circuitboard, a lock hook handle, a battery box, a buzzer, a lock core, a lock shell, etc. The circuits of the utility model comprise a door state sensing circuit, a signal discrimination circuit, an alarm signal generating circuit, an electronic door bell circuit, etc. The utility model has the advantages of small power consumption, firm structure, prying prevention, sawing prevention, disassembly prevention, collision prevention, strong damage resisting capability, etc. When the door is collided and opened illegally, the utility model can send out the alarm sound which is bigger than 85 decibels, and the false alarm is not generated because a mutual lock is provided. The utility model is suitable for single door and is also suitable for the network interconnection monitoring alarm under 6000 doors.

Description

Multifunctional anti-theft alarm electronic door lock

The utility model belongs to the lockmaking technical field, particularly the multifunctional burglary-resistant electronic lock.

Existing safe-guard door lock or electronic password lock have generally only solved the intensity of lock or the problem of secrecy aspect, do not wait the warning problem and solve broken lock, more do not solve networking terminal monitoring problem.Though warning is perhaps arranged, its warning function is few, rate of false alarm is high, structure is firm inadequately, so often makes brokenly lock or rushes open door and go into the room thief and can succeed.

Though the purpose of this utility model is exactly can't to report to the police or warning is arranged in order to solve existing safe-guard door lock, but warning function is few, rate of false alarm is high, and the terminal monitoring problem of can not networking provides more than a kind of warning function and the multi-function anti-theft alarm electronic lock of the terminal monitoring of networking.

The utility model is realized by following technical proposals: multi-function anti-theft alarm electronic lock structural representation as shown in Figure 1, it is mainly by lisper 1, middle tongue 2, uvula 3, circuit board 4, latch hook handgrip 5, battery case 6, buzzer 7, lock core 8, lock housing 9 grades are formed jointly, its locations of structures and interconnected relationship are: lisper 1 and shift fork 13 are fixedly connected on left side in the lock housing by location-plate 10 and movable plate 11, left front portion in the lock housing below lock core 8 is installed on a thick tongue, 1 action is driven by the rotation of lock gall in the lock core with a thick tongue, and tongue 2 actions in driving by shift fork 13 simultaneously, the micro power switch K of the terminal mounting strap spring buffer of lisper ₃, when door was locked, 1 stretched out outside the lock housing 9 with a thick tongue, fine motion power supply exploitation K ₃The closed connection is after lock is normally unblanked, with a thick tongue in the 1 indentation lock housing 9 and compress K ₃, make K ₃Disconnection, power supply are turned off; Middle tongue 2 is connected and is installed on the centre of lock housing 9 by spring and latch hook handgrip 5, lisper 1 interconnects by shift fork 13 and middle tongue 2, in the lock housing, uvula 3 was installed in the center-right lock housing by special spring(-supported) mount 12 in the middle of buzzer 7 was mounted on, and microswitch K is installed in the end thereafter ₁, when door was locked, uvula 3 was compressed in the lock housing, made microswitch K ₁Disconnect, when door was opened, uvula 3 ejected automatically, makes K ₁Connect; Spring(-supported) mount 12 can make uvula 3 compressions and eject freely, and uvula 3 is avoided and microswitch K ₁Rigidity contact and damage microswitch K by pressure ₁Circuit board 4 usefulness bearing supports be fixedly installed in lock housing 9 right half side in, battery case is installed in the front end of lock housing right side.

The micro power switch of multi-function anti-theft alarm electronic lock and uvula fundamental diagram are as shown in Figure 2.Its operating principle is microswitch K ₃As the electronic lock power switch, when door is locked, K ₃Closure is connected the electronic lock power supply, and circuit is according to microswitch K ₁The position judge whether enter the state of alert.If this moment, door was opened K ₁Closure, then electronic lock does not enter the state of alert, and this has guaranteed that electronic lock does not produce wrong report; If this moment, door was locked K ₃Closure, K ₁Disconnect, then electronic lock enters the state of alert.After this, if door is illegally clashed into or when illegally rushing open, uvula 3 ejects and K ₁Closure produces alarm signal and sends chimes of doom after circuit is differentiated, if the networking terminal monitoring, then simultaneously alarm signal is sent to interface circuit J and is transported to the terminal networking monitor through the illuminating power transmission line.If lock is opened with key, then with a thick tongue in the 1 indentation lock housing, K ₃Disconnect, the electronic lock power remove can not send chimes of doom.

Multi-function anti-theft alarm electronic lock circuit schematic diagram as shown in Figure 3.It is made up of door state sensing circuit, signal discrimination circuit, alarm signal generation circuit, electronic door bell circuit etc., and its interconnected relationship is: by microswitch K ₁, capacitor C ₂The door state sensing circuit that composes in parallel directly and model be the special-purpose ic chip of CH208 ₁Signal input pin be connected, by ic chip ₁, diode D ₁, resistance R ₁～R ₃, capacitor C ₁, C ₃The signal discrimination circuit of forming passes through R ₈With the four tones of standard Chinese pronunciation warning ic chip that by model is CW9561 ₂, controllable silicon G ₁, resistance R ₄～R ₇, triode T ₁And the alarm signal generation circuit that is composed in series is connected, by button switch K ₂And model is the special-purpose ic chip of music door-bell of KD153 ₃, triode T ₂, miniature transformer B, buzzer YD ₁The electronic door bell circuit that connection in series-parallel is formed passes through T ₂Colelctor electrode is connected with alarm signal generation circuit.Its operating principle is: when door is in closed condition, and K ₁Disconnect, this signal makes IC after signal discrimination circuit is differentiated ₁Enter the warning state of alert.At this moment, illegally hit door or when illegally rushing open, uvula 3 ejects and K if run into ₁Closure produces signal and sends IC to ₁, through IC ₁After the signal discrimination circuit differentiation of forming, from IC ₁6 pin export a start pulse signal and give controllable silicon G ₁, make G ₁Conducting triggers IC ₂Produce alarm signal in the alarm signal generation circuit of forming, through triode T ₁After the amplification, send chimes of doom by buzzer 7; Simultaneously, IC ₂Pass through resistance R ₅Alarm signal is transported to interface circuit J, to carry out the terminal networking alarm monitoring; When pressing button switch K ₂The time, ic chip ₃Produce the doorbell signal, by triode T ₂Amplification and transformer B are transferred to buzzer YD ₁, buzzer YD ₁Sending doorbell makes a formal request owner and opens the door.

The utility model is compared with existing safe-guard door lock or electronic lock, and following advantage is arranged: (1) sound construction, stronger pick-proof, anti-saw, tamper, crashproof function are arranged, and its survivability surpasses existing double bolt spring bead door lock; (2) door is when being locked, and lock just is on the alert, and when meeting when illegally hitting Men Ermen and not rushed open, can produce warning.After door is illegally opened, still continue to report to the police, and chimes of doom to be greater than 85 decibels, the time was 15 minutes, and the robber is had bigger deterrent, because this electronic lock has interlocking, can prevent wrong report; (3) this electronic lock also can be by interface circuit and computer monitor instrument network alarm, like this, this electronic lock both had been fit to the user to be used separately, also be fit to the nearly following networking monitoring warning in 6000 families, and networking need not special laying-out, and can utilize indoor original power for illumination line of force to carry alarm signal, install and use very convenient and safe and reliable; (4) this electronic lock power consumption is little, when lock is on the alert, and its electric current I≤30 μ A; When lock was in alarm condition, its operating current I was 80～150mA; (5) this electronic lock also has the electronic door bell function except that multiple warning function is arranged, therefore, can be simultaneously as electronic door bell, the user need not to adorn in addition doorbell.

Below Figure of description is further specified as follows: Fig. 1 is a multifunctional burglary-resistant electronic lock structural representation.Fig. 2 is multi-function anti-theft alarm electronic lock micro power switch and uvula fundamental diagram.Fig. 3 is a multifunctional burglary-resistant electronic lock circuit schematic diagram.Among each figure: 1 is that lisper, 2 is that middle tongue, 3 is that uvula, 4 is that circuit board, 5 is that latch hook handgrip, 6 is that battery case, 7 is buzzer DY ₁, 8 be lock core, 9 for the lock shell, 10 for location-plate, 11 for movable plate, 12 for special spring(-supported) mount, 13 for shift fork; K ₁Be uvula microswitch, K ₂Be electronic door bell button, K ₃For lisper micro power switch, J are that terminal networking interface circuit, B are miniature transformer.

The utility model can be implemented through the following steps: (1) is by the whole component of processing and manufacturing shown in Figure 1; (2) by draw PCB 4 shown in Figure 3, and screen corresponding components and parts and assemble and simple debugging, make and work as K ₃Closure and K ₁When closed, electronic lock does not enter the state of alert, works as K ₃Closure and K ₁If during disconnection, then electronic lock enters the state of alert, after this K ₁Closed again, then sound the alarm; (3) by shown in Figure 1 and top described its each modular construction position of manual and interconnected relationship the multi-function anti-theft alarm electronic lock is installed, elder generation is with microswitch K during installation ₁, K ₃, buzzer 7, circuit board 4, battery case 6 etc. be fixedly mounted in the lock housing, and connect circuit and draw the connection button switch K by shown in Figure 3 ₂Connecting line, again lock core 8 is fixedly installed in earlier in the lock housing, then with a thick tongue 1 and shift fork 13 be fixedly mounted on microswitch K in the lock housing by location-plate 10 and movable plate 11 ₃Front end, in tongue 2 be connected with latch hook handgrip 5 by spring and be fixedly mounted in the lock housing in the middle of and be connected with shift fork, uvula 3 is fixedly mounted on microswitch K in the lock housing by spring(-supported) mount 12 ₁Front end.At last, detect lock housing back shroud on its various function bonnets, just successfully finished the enforcement of this multi-function anti-theft alarm electronic lock.

Claims (1)

1. A kind of multifunctional burglary-resistant electronic lock of forming by lock housing, lock core, it is characterized in that it mainly contains lisper (1), middle tongue (2), uvula (3), circuit board (4), latch hook handgrip (5), battery case (6), buzzer (7), lock core (8), lock housing (9) etc. and forms jointly, its locations of structures and interconnected relationship are: (1) and shift fork (13) are fixedly connected on left side in the lock housing by location-plate (10) and movable plate (11) with a thick tongue, left front portion in the lock housing below lock core (8) is installed on a thick tongue, (1) terminal micro power switch K that installs with a thick tongue ₃Middle tongue (2) is connected with latch hook handgrip (5) by spring and is installed in the middle of the lock housing, (1) is connected with middle tongue (2) by shift fork (13) with a thick tongue, buzzer (7) is mounted in the middle lock housing, uvula (3) is installed in the center-right lock housing by spring(-supported) mount (12), and microswitch K is installed in its rear end ₁, circuit board (4) with bearing support be fixedly installed in lock housing right half side in, battery case (6) is installed in the front end of lock housing right side; Wherein, the multifunctional burglary-resistant electronic lock circuit is made up of door state sensing circuit, signal discrimination circuit, alarm signal generation circuit, electronic door bell circuit etc., and its interconnected relationship is: by microswitch K ₁, capacitor C ₂Direct and the ic chip of door state sensing circuit that composes in parallel ₁Signal input pin be connected, by ic chip ₁, diode D ₁, resistance R ₁～R ₃, capacitor C ₁, C ₃The signal discrimination circuit of forming passes through R ₈With by ic chip ₂, controllable silicon G ₁, resistance R ₄～R ₇, triode T ₁And the alarm signal generation circuit that is composed in series is connected, by button switch K ₂, ic chip ₃, triode T ₂, transformer B, buzzer YD ₁The electronic door bell circuit that connection in series-parallel is formed is by triode T ₂Colelctor electrode is connected with alarm signal generation circuit.

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