CN2134458Y

CN2134458Y - High-voltage beat anti-theft door lock with chinese alarm

Info

Publication number: CN2134458Y
Application number: CN 92231246
Authority: CN
Inventors: 宋广智
Original assignee: Individual
Current assignee: Individual
Priority date: 1992-08-27
Filing date: 1992-08-27
Publication date: 1993-05-26
Anticipated expiration: 2002-08-27

Abstract

The utility model relates to an anti-theft door lock with automatic Chinese alarm and high-voltage electric shock functions. The utility model is composed of a common mechanical built-in lock and an electronic circuit which are used together, wherein, the electronic circuit is formed after a power circuit is connected with a touching timing switch circuit and a code control circuit in series in turn through power switches,. One path of the electronic circuit is connected with a Chinese alarm circuit in series, and the other path is connected with the circuit of a high voltage generator in series. The Chinese alarm circuit is controlled to emit the Chinese alarm of 'catching the thief', and the high voltage generator circuit is controlled to release 6-8KV micro-current high voltage to beat the thief. The sealing control circuit is used by a host to cut off the alarm circuit and the high voltage generator circuit, and the door lock is opened smoothly, so the anti-theft ability of the door lock is further improved.

Description

High-voltage beat anti-theft door lock with Chinese alarm

The utility model relates to a kind of improved electronic anti-theft door lock, and particularly a kind of have automatic Chinese and report to the police, and the safe-guard door lock of high-voltage electric shock function further improves the anti-theft capability of door lock.

Existing electronic safety lock mainly contains two big classes, one class is the different alarming lock of control mode, it mainly is by switching regulator, induction type, control circuit and alarm formations such as distance type, their control circuit differs greatly, circuit performance is all higher, but major function is to threaten the ruffian with the traditional alert sound, and anti-theft measure is single, portioned product is the back warning of forcing open the door, and anti-theft capability is relatively poor.Another kind of is the different coded lock of pattern, and cipher control circuit that it mainly is made up of encoder and discriminator and electromagnetic type or motor holder dynamic formula lock body constitute, and the circuit performance of this type of lock is stable, reliably, strong security, easy to use, but price is more expensive, power consumption is bigger, and because the limitation of structure, it only is applicable to that anti-theft measure is still single with the ruffian who normally unblanks the means crime, anti-theft capability is limited, the future trouble that owner was locked out when it also existed circuit corner that to break down in addition.

The purpose of this utility model is that a kind of automatic Chinese warning that has will be provided, and strong security, the safe-guard door lock that " cost performance " is good are used reliably in the measure of high-voltage electric shock double anti-theft.

The purpose of this utility model is achieved in that this lock is that mechanical door lock can use separately by standard machinery door lock (built-in lock) and electronic circuit and with forming.And electronic circuit partly is with the Chinese warning circuit, and the high-voltage generator circuit process is by touching timing switch circuit, and the suitable combination of cipher control circuit has realized touch (unblanking), and short circuit (picking lock) is all reported to the police, and produces the function of high-voltage electric shock.

Concrete structure is that the touch electrode that touches in the timing switch circuit is drawn with shielding line, latent being located on the mechanical lock body as touch electrode, unblank attempting, during the touching lockhole, the human-induced signal can trigger the touch timing switch circuit, make the relay adhesive of touch switch circuit, one group of normal opened contact is connected warning circuit, sends the Chinese of " catching a thief " and reports to the police, and one group of normal opened contact is connected high-voltage generator circuit, discharge the high-tension electricity of the little electric current of 6-8 kilovolt, draw through high-voltage line, on the latent Metal decorative part and catch that is located at around the lockhole, be used for the ruffian that shocks by electricity, make the ruffian cause spirit frightened, but can not damage.Because the effect of timing circuit is reported to the police and the release high-tension electricity carries out stopping automatically after 20 seconds simultaneously.

The latent microswitch that is provided with is connected with the touch timing switch circuit on lock body in addition, when prizing lock body with insulating tool, microswitch is subjected to small collision and just can connects, and same the triggering touches timing switch circuit, make warning circuit, high-voltage generator circuit is connected and is worked.And owner unblanks, as long as peace according to programmed password, by touching cipher switch, just can be cut off and report to the police and high-voltage generator circuit, opens mechanical door lock with key then.Because cipher switch is connected with circuit with connector,, just can change the password number easily at any time as long as change the order of connection of connector.The electric supply installation of this lock has adopted alternating current-direct current automatic power system, makes it easy to use.

The utility model is compared with existing electronic safety lock, and its feature is that anti-theft capability is very strong: owing to adopt the double anti-theft measure of reporting to the police and shocking by electricity, and have the counterforce capability of electric shock, and anti-theft capability is very strong.Because mechanical lock can use essentially no " locking " phenomenon separately.Owing to do not adopt dedicated devices in each element circuit, circuit is simple, and is cheap, because the password number is variable at any time, makes it strong security, practical.

Concrete structure below in conjunction with embodiment and accompanying drawing detailed description utility model thereof:

Fig. 1 is circuit theory diagrams of the present utility model

Fig. 2 is the utility model structural representation

Fig. 3 is that high-voltage line (4) the touch line (5) of the utility model main frame (1) is connected lateral view with mechanical lock body (8)

Fig. 4 is the scheme of installation of the utility model lock body pick-proof microswitch (9)

Fig. 5 is the utility model lock body schematic appearance

(I) part as Fig. 1 is an alternating current-direct current automatic power power supply, and this power supply when alternating current stops supplying, is connected 6 volts of batteries based on Alternating Current Power Supply automatically.In the circuit power transformer B2 with 220 volts of alternating current transformations after, send into bridge rectifier D 5～D8 rectification, rectifier output end connects input 1 pin of three terminal regulator IC4:7806, through the dc source of voltage stabilizing by 6 volts of voltage stabilizings of output 3 pin output, and 6 volts of battery supplies are isolated by isolating diode D4.When no alternating current, the output of the 3 pin no-voltages of IC4,6 volts of battery supplies of D4 conducting are by automatic place in circuit.Power circuit is through power switch K1(14) contact (II) part of touching timing switch circuit such as Fig. 1, this circuit is two NAND gate A, B, the diode D1 by a CMOS IC 1:CD4011, resistance R 2 capacitor C ₂, transistor BG1:3DG12 or 3DG27,3DG83 etc., relay J 1 constitutes, input 2 pin of the NAND gate circuit A of IC1 are touch electrode T(5), output 3 pin connect input 6 pin of NAND gate circuit B through diode D1, and output 4 pin meet transistor BG1 base stage, collector connecting relay J1.The operating principle of this circuit is such, at ordinary times capacitor C ₂Two ends have been full of electricity, are high level, and after hand touched the T point, diode D1 conducting made C ₂Pass through diode discharge, the input 6 pin current potential step-downs of NAND gate B and output 4 pin current potentials raise, the BG1 transistor turns, relay J 1 adhesive, normal opened contact J1-1 connects that warning circuit (the IV part of Fig. 1) J1-2 connects high-voltage generator circuit (the V part of Fig. 1) and after hand leaves the T point, C ₂Through the R2 charging, through 20 seconds, relay discharges, and warning, high pressure generator work stop for 20 seconds automatically.Relevant structure is seen the touch line T(5 of Fig. 2 main frame (1) (electronic circuit part)) be connected on the lock body (8), 6～8 kilovolts of high-tension electricities of output in the main frame (1) are by high-voltage line a, b(4) draw on the decoration (6) and catch (7) that is connected around the lockhole.But notice that between two electrodes, the distance between the two poles of the earth and the lockhole etc. should must exempt to occur spark phenomenon greater than 1.5 centimetres.K switch 10 in (II) circuit of Fig. 1 is mounted in the other microswitch of lock body, be used for short circuit and trigger touch timing switch circuit, mounting structure is seen Fig. 4 microswitch K10(9) be installed in by the mechanical lock body (8), the button of switch (9) will be close on the lock body (8), when ruffian's picking lock, lock body (8) touches the button of switch (9), make it to connect, the input 6 pin current potential step-downs of NAND gate B in the II part electrical schematic diagram of Fig. 1 so, output 4 pin current potentials uprise, the J1 adhesive, same alarm, high pressure generator are all worked.(touch lockhole) picking lock of so just having realized unblanking is all reported to the police and is discharged the function of high-tension electricity.Microswitch among Fig. 4 (9) is through plug CT9(10) with the socket CZ9(11 of main frame (1)) be connected.

Ruffian's the high-tension electricity of being used for shocking by electricity is to be connected on very near decoration of lockhole (touch point T) and the catch, this high-tension electricity can directly disturb touch point T's, can make touch switch circuit produce misoperation, for this reason at touch point T to the one group of normally closed contact J1-3 that is connected to relay J 1 between input 2 pin of NAND gate circuit A, touch point T connects through normally closed contact J1-3 and circuit so at ordinary times, when touching T point J1 adhesive J1-1, J1-2, normally closed contact J1-3 is disconnected when being switched on, warning circuit just, when high-voltage generator circuit is switched on work, the T point is disconnected, and touch switch circuit just is not subject to disturb yet.K9 among the figure is that changeover switch is to adjust touch sensitivity to use, and it can be with capacitor C l, Cl ' difference place in circuit, and when when disturbing stronger area to use this lock, an electric capacity place in circuit that can the Cl capacity is bigger makes circuit energy operate as normal.K8 disturbs in order to prevent to start shooting or the interference when restoring electricity when having a power failure is set up.Clicked button switch K 8 earlier before connecting power switch K1, make input 6 pin of NAND gate B maintain high potential, the phenomenon of the disturbed warning of must exempting to start shooting occurs.

(III) part as Fig. 1 is a cipher control circuit, and mainly by controllable silicon SCR 1, SCR2, SCR3, relay J 2, J3 and touch-switch K2～K7 constitutes, and circuit does not adopt and touches and other mode, and has adopted switching regulator, makes circuit working reliable and stable.The circuit working process is such, and cipher control circuit is used for cutting off exactly reports to the police and high-voltage generator circuit.Have only peace according to giving programmed sequence of coden Push switch earlier, just can reach the purpose of cutting off warning, high-voltage generator circuit.When pushing the wrong switch, alarm, high pressure generator is still worked.

When Push switch K2, controllable silicon SCR 1 conducting that is triggered, the negative electrode of controllable silicon SCR 2 is equivalent to ground connection, when pressing K3 equally, the SCR2 conducting, relay J 2 adhesives, warning circuit, high-voltage generator circuit are cut off.If uneasy connect in turn switch, J2 according to K2, K3 can adhesive.This moment, K2, K3 were programmed password.

When any switch among Push switch K4, K5, the K6, controllable silicon SCR 3 conducting J3 adhesives, the normally closed contact of J3 is opened, cut off the cathode power of SCR1, even at this moment peace can not be cut off warning and high-voltage generator circuit, need only touching, touch point T(lockhole according to pressing K2, K3 in proper order again) still ring and report to the police, and the release high-tension electricity.K4, K5, K6 are that password destroys switch at this moment.K7 is a reset switch, after pressing the destruction switch, wants to make circuit to recover normal, must press the K7 normally closed switch, cuts off the cathode power of SCR3.For circuit is accessed to your password when unblanking owner, holding circuit is in normal condition, does not forget to press the K7 switch, and as one in the programmed password, and as a figure place of password, promptly programmed complete password is K7, K2, K3 with the K7 reset switch.Just can normally open door lock as long as connect K7, K2, K3 in order.

One group of plug of CT2～CT8 (16) is the connector that K switch 2～K7(2) is connected with circuit with one group of socket of CZ2～CZ8 (17), as long as the ordinal position that conversion K2～the K6 plug is connected with socket just can change the password number.Structure is seen Fig. 2, utilizes being connected of plug and socket like this, installs more convenient during construction.See Fig. 2 external loudspeaker case Y2(3) be to rely on plug CT1(18 with being connected of main frame (1)) with socket CZ1(19) be connected.Main frame is provided with loudspeaker in (1) in addition.Indicator lamp during the ZD1(15 in the main frame (1)) for warning K8(12) disturbs switch for anti-start, CZ9(11) is the socket of pick-proof lock switch, K1(14) is power switch, K9(13) is to adjust the touch sensitivity switch.

(IV) part as Fig. 1 is the Chinese warning circuit, and it is the comparison novelty that circuit produces language alarm, and the clothes ruffian's that shakes power is also big.Circuit mainly is to be made of a language IC 2:LQ46 and a power amplification circuit IC3:LM386, and power supply provides 3 volts power supply to be added to 5,7 pin of IC2 for language IC 2 through Zener diode DW voltage stabilizing.R9, C4 are the peripheral cells of language integrated circuit, adjust the size of R9, can change the height of language speed tone.Input 3 pin that the signal of the 4 pin output of IC2 is sent into IC3 carry out promoting after low frequency power amplifies the Chinese warning that loudspeaker sends " catching a thief ".

(V) part as Fig. 1 is a high-voltage generator circuit, this circuit is touched timing switch circuit relay contact J1-2 and cipher control circuit relay contact J2-2 control, power supply connects high-voltage generator circuit through J1-2, J2-2, the L of transistor BG2:D880 and transformer B1 ₂, L ₁Coil is formed oscillating circuit, and the pulse voltage of generation is through L ₃After coil boosts, by kenotron rectifier, by the high-tension electricity of 6～8 kilovolts of little electric currents of a, b end (4) output.

The utility model is in order to make circuit part work more reliable and more stable, adopt two groups of alternating current-direct current automatic power power supplys, one group of power supply U1,6 volts of power supplys are supplied with and are touched timing switch circuit, cipher control circuit and warning circuit, and another group power supply U2,6 volts of power supplys are supplied with high-voltage generator circuit separately, must exempt to occur because of adopting same power supply, high-voltage generator circuit is to the interference of other circuit.U2 in (V) circuit of Fig. 1,6 volts of alternating current-direct current automatic power supply circuits are identical with the U1 power circuit, omitted in the drawings, do not draw.

The utility model, mistake very easily occurs and bumps the warning phenomenon when reality is used because high-tension electricity will be reported to the police and discharge to the touching lockhole, establishes a baffle plate (20) for this reason lockhole appearance exposed portions is covered in.Only stay the key insertion portion, and establish a valve (21) again and cover.So only attempt to unblank or during picking lock the ruffian, just can report to the police and discharge high-tension electricity, structure is seen Fig. 5.

Claims

1, the Chinese that has that is made of standard machinery door lock (built-in lock) (8) and main frame (1) (electronic circuit all divides) is reported to the police, the electronic anti-theft door lock of high-voltage electric shock function, it is characterized in that sending into bridge rectifier D 5～D8 rectification after a power transformer B2 by alternating current-direct current automatic power supply circuit (I) is with 220 volts of alternating current transformations, the output termination three terminal regulator IC4 of rectifier: 7806 input 1 pin, obtain the dc source of 6 volts of voltage stabilizings by 3 pin outputs, touch timing switch circuit (II) through power switch K1 contact, touch timing switch circuit with CMOS IC 1: CD4011, transistor BG1: 3DG12 relay J 1 is a main body, input 2 pin of the NAND gate circuit A of IC1 are touch electrode T (5) 3 pin outputs meet NAND gate circuit B through diode D1 input 6 pin, the signal of output 4 pin output is sent into the base stage of transistor BG1, the electric current of colelctor electrode output promotes relay J 1, make it adhesive, normal opened contact J1-1 connects warning circuit (IV), the normal opened contact J1-2 of J1 connects high-voltage generator circuit (V), other 6 volts of dc sources also connect cipher control circuit (III) through K switch 1, cipher control circuit is with controllable silicon, SCR1～SCR3, relay J 2, J3, touch-switch K2～K6 is a main body, cipher switch K2 connects the control utmost point of controllable silicon SCR 1, K3 connects the control utmost point of SCR2, K2, K3 connects can make the SCR2 conducting, relay J 2 adhesive J2-1, two groups of normally closed contacts of J2-2 disconnect, cut off warning circuit, high-voltage generator circuit, K switch 4, K5, K6 connects the control utmost point of controllable silicon SCR 3, connect K4, K5, a switch among the K6, just can make controllable silicon SCR 3 conductings, relay J 3 adhesives, contact disconnects, and has destroyed the adhesive of relay J 2.

2, the device by claim 1 regulation is characterized in that touching line T(5) be one group of normally closed contact J1-3 and the input that touches timing switch circuit of the relay J 1 by touching time switch, 2 pin of NAND gate A are connected, and constitute anti-high pressure countermeasure set.

3, by claim 1, the device of regulation, the input that it is characterized in that NAND gate circuit B is through a microswitch K10(9) join with ground, constitute the short circuit circuits for triggering, as the pick-proof lock device.

4, by claim 1, the device of regulation is characterized in that the input of NAND gate circuit B joins with power positive end through a button switch K 8, constitutes anti-start countermeasure set.

5, by claim 1, the device of regulation is characterized in that cipher switch K2～K6(2) is to be connected with circuit with socket (17) with connector, plug (16), can make the conversion at any time of password number.

6, device by claim 1 regulation is characterized in that warning circuit (IV) is with language IC 2:LQ46 and the Chinese warning circuit that power amplification circuit IC3:LM386 is the main body formation, it is touched the control of timing switch circuit and cipher control circuit, power supply is through touching timing switch circuit relay contact J1-1 and cipher control circuit relay contact J2-1 circuit taking alarm, power supply obtains 3 volts of voltages through voltage-stabiliser tube DW voltage stabilizing and is added to 5 of IC2 language circuit, 7 pin, speech signal is exported input 3 pin that are coupled to IC3 integrated circuit LM386 through capacitor C 6 by 4 pin, is undertaken promoting the loudspeaker sounding by the output of 5 pin after the power amplification by IC3.

7, by claim 1, the device of regulation is characterized in that high-voltage generator circuit (V) is touched timing switch circuit relay contact J1-2 and cipher control circuit relay contact J2-2 control, power supply connects high-voltage generator circuit, the L of transistor BG2:D880 and transformer B1 through J1-2, J2-2 ₂, L ₁Coil is formed oscillating circuit, and the pulse voltage of generation is after the L3 coil boosts, by high-voltage diode D3 rectification, by the high-tension electricity of 6～8 kilovolts of little electric currents of a, b end output.