CN2504354Y

CN2504354Y - Electronic warning cipher anti-theft lock

Info

Publication number: CN2504354Y
Application number: CN 01269591
Authority: CN
Inventors: 王志强
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-10-25
Filing date: 2001-10-25
Publication date: 2002-08-07
Anticipated expiration: 2011-10-25

Abstract

The utility model discloses an electronic warning cipher anti-theft lock. A lock head is arranged at the middle lower part of a lock body. A mechanical locking device is arranged in the lock head, and a lock tongue is arranged on the upper side of the lock head. A base plate and a metal spring contact are arranged above the lock tongue, and the contact and the lock tongue form a lock control switch. A battery box is arranged at the left lower corner of the lock body, and a control circuit board and a shock sensor are arranged above the battery box. When an antitheft door is prized or broken by the impact of other outer force or cut by high temperature, the utility model can alarm by triggering the sensor or altering the resistance of a thermistor. When a fortification switch is turned on, the utility model can be used as a common anti-theft lock.

Description

The electronic warning puzzle theft-proof lock

The utility model relates to a kind of safe-guard door lock with guard and alarm function, exactly is the electronic anti-theft door lock alarm that a kind of telephone cipher remote control is withdrawn a garrison and lock control is set up defences.

The safe-guard door lock of Xiao Shouing does not also have telephone cipher remote control and electronics to trigger the function of reporting to the police in the market, and time has the ruffian to force open the door by force to enter the room and uses the master key generation of thievery of unblanking.

The purpose of this utility model provides a kind of can trigger the warning by multiple sensors, the electronic warning puzzle theft-proof lock that can withdraw a garrison by telephone cipher remote control.

Scheme of the present utility model is by lock body, tapered end, rotary switch, handle, the circle tongue, oblique tongue base plate, control circuit board, lock-controlled switch, shock transducer, the deca-cable outlet, formation such as plug connector and battery case, its design feature is: tapered end is equipped with in the middle and lower part at antitheft lock, be provided with mechanical locking device in the tapered end, expose outside the panel of lock body on the top of tapered end during installation, the upside of tapered end is equipped with dead bolt, dead bolt can be set as round tongue, side's tongue or hook ligulate shape, the below of dead bolt is provided with oblique tongue, substrate is equipped with in the top of dead bolt, substrate is provided with metal spring leaf contact, the left and right sides, two reed contacts are positioned at the upper end of round tongue, and can closely contact with the upper surface of circle tongue, two contacts and dead bolt constitute lock-controlled switch.The lower left corner of lock body is provided with battery case, the top of battery case is provided with control circuit board, shock transducer is equipped with in the upper right corner of circuit board, the base plate of circuit board rear side is provided with the deca-cable outlet, the line of cable outer end is provided with plug connector, the left end of plug connector is drawn two-route wire, wherein one the tunnel connects 5 temperature pick ups, and another road connects automatic instant alarm telephone.The switch of setting up defences is equipped with at the middle part, a left side of lock panel, rotary switch is equipped with on the set up defences right side of switch, and the downside of rotary switch is equipped with handle, and handle can be controlled the unlatching of oblique tongue, rotary switch can be controlled the motion of handle, and thermistor is arranged on the bottom side of theftproof lock or the lock pin place of security door.Under the situation of switch closure of setting up defences, must import proper password by telephone and can open door lock, even use special-purpose key, otherwise will trigger warning.When security door was subjected to other external impacts destructions or high-temperature machining, the resistance that also will trigger sensor or change thermistor triggers reported to the police.When setting up defences switch opens, also can be used as common theftproof lock and use.

The utility model has the advantages that simple in structurely, reasonable in design, report to the police, newspaper steals effectively, safe and reliable that practicality is stronger.

Be described further below in conjunction with accompanying drawing:

Fig. 1 is an electronic warning puzzle theft-proof lock structural representation;

Fig. 2 is the shock transducer structural representation;

Fig. 3 is a theftproof lock control circuit schematic diagram.

Among Fig. 1, the middle and lower part of theftproof lock lock body 12 is provided with tapered end 16, and expose outside the lock panel on the top of tapered end during installation, is provided with mechanical locking device 15 in the tapered end, and round tongue 13 is equipped with in the upper end of tapered end.The below of circle tongue is provided with oblique tongue 14, and substrate 10 is equipped with in the top of circle tongue, and substrate is provided with left metal spring leaf contact a, right metal spring leaf contact b, two reed contacts are positioned at the upper end of round tongue, and can closely contact with the upper surface of circle tongue, and two contacts constitute lock-controlled switch 11 jointly with the circle tongue.When theftproof lock was locked, the circle tongue stretched out, and two contacts disconnect, and promptly lock-controlled switch disconnects; When theftproof lock is unblanked, the retraction of circle tongue, two contactings, i.e. lock-controlled switch closure.The lower left corner of lock body is provided with battery case 4, and the top of battery case is provided with control circuit board 5, and shock transducer 8 is equipped with in the upper right corner of circuit board.Shock transducer is by being bolted on the lock body 12, the base plate of circuit board rear side is provided with deca-cable outlet 7, the cable outer end is provided with plug connector 3, the plug connector left end is drawn two-route wire, one road jointing temp sensor 2 wherein, temperature pick up is selected negative temperature coefficient type thermistor for use, 50 kilo-ohms of room temperature resistances, and one the tunnel connects multi-functional instant alarm telephone 1.The switch 6 of setting up defences is equipped with at the middle part, a left side of lock panel, and the switch of setting up defences is selected the button-type microswitch for use, and when setting up defences switch closure, theftproof lock has the triggering warning function; When setting up defences switch opens, theftproof lock uses as common theftproof lock.The set up defences right side of switch is provided with rotary switch 9, and the downside of rotary switch is equipped with handle 17, and rotary switch can be controlled the motion of handle, promptly can stretch out oblique tongue or the retraction lock body as required; Circle tongue, oblique tongue can use simultaneously or separately.

Among Fig. 2, sensor base plate 22 is fixed on the lock body by bolt 23, little spring 21 of bolt upper end welding, and a steel ball 20 is welded on the little spring top.Aluminium shell 19 overcoats are moulded cover, and riveting is leaded 18 on the aluminium shell 19, and bolt 23, lead wire 18 are respectively drawn single line and removed to connect warning device.When static, no matter shock transducer is in any angle, steel ball all can not contact with shell, but when being subjected to external impacts, as pound, bump, hit etc., then steel ball and housing contacts are promptly connected warning circuit, trigger warning device thus.

Among Fig. 3, be provided with warning circuit on circuit board 5, positive source is divided into four the tunnel through the switch 6 of setting up defences, and it connects a end of lock-controlled switch 11 and 1,2 pin of 42 input nor gate CC4001 once resistance R 5, and lock-controlled switch b holds ground connection; It two meets shock transducer 8 one lead end C, input 3 pin of another lead end of sensor d connecting resistance R6, capacitor C 2,24 input nor gate CC4002, ground connection after R6, the C2 parallel connection; Its three input pin 4,5,10,11,12 that meets CC4002 respectively through thermistor RT1, RT2, RT3, RT4, RT5, the input pin 4,5,10,11,12 of CC4002 meets divider resistance R1, R3, R7, R8, R9 respectively over the ground; It four connects input 8 pin of CC4001 through capacitor C 1, and 8 pin are connecting resistance R4 over the ground, R2 and ground connection after C1, R4 are in parallel.The output pin 3,4,10 of CC4001 connects the input pin 2,9 of CC4002 and the warning input E end of instant alarm telephone respectively; The output pin 1,13 of CC4002 connects input pin 5,6 and the pin 9 of CC4001 respectively.

At closing time, press down the switch S A that sets up defences, power supply, capacitor C 1, resistance R 4 constitutes charge circuits, and the output high level is to nor gate HF3 input 8 pin, HF3 output imposed restrictions on be low level, forbids that All Alerts input works.Behind the about 21S of R4, C1 time-delay (in this time-delay period, owner gos out, locks a door), 8 saltus steps of HF3 input pin are low level, the alert state of the circuit value of entering.

The circuit three kinds of situations of branch of receiving a crime report: first door lock is opened, lock-controlled switch 11 closures, a point ground connection output low level is to the HF1 input, HF1 output high level is to HF4 input 2 pin, the HF4 output low level is anti-phase through HF2, the output high level is to HF5 input 9 pin, and the HF5 output low level is to HF3 input 9 pin, and HF3 exports the high level alarm signal.It two is that door is subjected to external force strong impaction etc. in the hope of forcing open the door, and then shock transducer 8 is connected, and C2 charging output high level is to HF4 output 3 pin, and initiation HF3 same as above exports the high level alarm signal.They are three years old, when other people attempt destroys door or alarm circuit with high temperature, the position thermistor resistance of then being damaged reduces rapidly, the output high level is to HF4 input (4 pin or 5 pin), then the HF4 output low level is to HF2, and through anti-phase, the output high level is to HF5 input 9 pin, or export high level to HF5 input (10 pin, 11 pin or 12 pin) because of the thermistor resistance reduces, then the HF5 output low level arrives HF3 input 9 pin.The HF3 input is low level and exports the high level alarm signal.This alarm signal triggers the anti-theft and alarm circuit of multi-functional instant alarm telephone, realizes the phone Rapid Alarm.

When owner opens the door, can put through phone earlier, input DTMF password is encrypted remote control circuit by dtmf code the anti-theft and alarm circuit of telephone is closed, and the input of forbidding reporting to the police is worked; After opening the door, disconnect the switch S A that sets up defences, the theftproof lock warning circuit is closed.

When the warning sensing element of theftproof lock more after a little while, as only establishing lock-controlled switch 11, shock transducer 8, then warning circuit can adopt one 42 input nor gate, perhaps selects AND for use one time.

Claims

1, a kind of electronic warning puzzle theft-proof lock, by lock body, tapered end, rotary switch, handle, dead bolt, oblique tongue, base plate, control circuit board, lock-controlled switch, shock transducer, the deca-cable outlet, composition such as plug connector and battery case, it is characterized in that: the middle and lower part of theftproof lock lock body (12) is provided with tapered end (16), be provided with mechanical locking device (15) in the tapered end, round tongue (13) is equipped with in the upper end of tapered end, the below of circle tongue is provided with oblique tongue (14), substrate (10) is equipped with in the top of circle tongue, substrate is provided with left metal spring leaf contact a, right metal spring leaf contact b, two metal spring leaf contacts are positioned at the upper end of round tongue, and can closely contact with the upper surface of circle tongue, two contacts constitute lock-controlled switch (11) jointly with the circle tongue, the lower left corner of lock body is provided with battery case (4), the top of battery case is provided with control circuit board (5), shock transducer (8) is equipped with in the upper right corner of circuit board, the base plate of circuit board rear side is provided with deca-cable outlet (7), the outer end of cable is provided with plug connector (3), the switch of setting up defences (6) is equipped with at the middle part, a left side of lock panel, rotary switch (9) is equipped with on the set up defences right side of switch, and the downside of rotary switch is equipped with handle (7).

2, electronic warning puzzle theft-proof lock according to claim 1, it is characterized in that: sensor base plate (22) is fixed on the lock body by bolt (23), a bolt upper end welding little spring (21), a steel ball (20) is welded on the little spring top, aluminium shell (19) overcoat is moulded cover, and aluminium shell (19) is gone up leaded 18 of riveting.

3, electronic warning puzzle theft-proof lock according to claim 1, it is characterized in that: on circuit board (5), be provided with warning circuit, positive source is through the switch of setting up defences (6), be divided into four the tunnel, it connects a end of lock-controlled switch (11) and 1,2 pin of 42 input nor gate CC4001 once resistance R 5, and lock-controlled switch b holds ground connection; It two meets shock transducer (8) one lead end C, input 3 pin of another lead end of sensor d connecting resistance R6, capacitor C 2,24 input nor gate CC4002, ground connection after R6, the C2 parallel connection; Its three input pin 4,5,10,11,12 that meets CC4002 respectively through thermistor RT1, RT2, RT3, RT4, RT5, the input pin 4,5,10,11,12 of CC4002 meets divider resistance R1, R3, R7, R8, R9 respectively over the ground; It four connects input 8 pin of CC4001 through capacitor C 1, and 8 pin are connecting resistance R4 over the ground, R2 and ground connection after C1, R4 are in parallel, and the output pin 3,4,10 of CC4001 connects the input pin 2,9 of CC4002 and the warning input E end of instant alarm telephone respectively; The output pin 1,13 of CC4002 connects input pin 5,6 and the pin 9 of CC4001 respectively.