CN2300694Y - Electronic alarm lock for bicycle - Google Patents

Abstract

The utility model discloses an electronic alarm lock for a bicycle. The electronic part of the utility model is composed of a keyboard type cipher circuit, a double triggering circuit, a loudspeaker sounding alarm circuit and a dry battery, wherein, the components are assembled in a box body, and box body is installed on handle-bars. A lock tongue is led from the side rim of the box body, wherein, one head of the lock tongue is fixed to the inner part of the box body, and the other head of the lock tongue can be inserted in the box body after the other head of the lock tongue passes through a wheel. A box top is a movable door, a power supply magnetic-controlling switch can be turned on when the movable door is opened, and a keyboard can be seen for operation. When the box body is dismounted or knocked by someone, or when the lock tongue is drawn out or cut off, or when someone uses false cipher to press the key or presses the key for a long time, or when the bicycle is moved, the utility model can give alarm by sound and flash glint. In addition, the utility model is additionally provided with an electric beeping device for the running of the bicycle.

Description

The bicycle electronic alarm lock

The utility model is a kind of bicycle electronic alarm lock, belongs to for bicycle, also can use at motorcycle.This lock comprises partly composition of machinery and electronic circuit two, and main part is assembled into a box body and is connected with car body.

A kind of motorcycle anti-theft warning magnetic cipher lock is disclosed among the China utility model patent CN2091338, having the dead bolt structure inside and outside its box shell also can inject between the wheel bar spoke, when inserting with magnetic card or extracting reader out, but cause the breach on the system pole pair dead bolt of knee-action to be chucking and releasing orientation, available hand was stirred dead bolt and was opened and closed the lock action this moment.Under the lock car and the storing situation that tilts, if have the people to set upright or when tilt falling down car again, liquid switch is on-state and makes power connection in the circuit, and radio transmitter sends the 27MHZ signal in the lock, promptly sends chimes of doom after the receiver of the car owner in car 500M is received signal with the prompting car owner.Obviously, this alarming lock is only just reported to the police when liquid switch is switched on, and preventing function is smaller a bit.In addition, at 1989 the 8th phases " CYBERSPACE " the 16th page to the 17th page periodical " 9 bit digital cipher lock circuit " literary composition is arranged, this circuit disclose a kind of 4017 type BCD counters sequential decoder, its structure is the time kind input CLK at 4017 integrated packages, reset terminal R place is connected with the clock in-gate circuit that periphery transistor V and C2, D1 form, after the first energising of decoder, output Q0 and R end are high level, and V1 is for ending.CLK and R end also with from the external K switch 0 to K9 of Q0 to Q8 lead-out wire and an additional K other end common port the Push switch of totally 11 numberings be connected and constitute the loop.Because the line between Q0 to Q8 and the K0 to K9 can artificially be set i.e. coding, make as long as the K that presses corresponding line according to Q0 to Q8 order also is the K of corresponding number when also promptly encoding, high level from the output of Q end, make V conducting C2 discharge, R, CLK become low level, and the counting carry moves the high level of Q0 successively from Q0 to Q8 carry, finally by the output of Q9 end, and continued for 4 seconds, to drive unlock circuit.This this time of circuit is promptly set and is encoded to 302706249, and K1, K5, K8, K are for having neither part nor lot in key letter.K switch can replace with keys of computer and conductive rubber contact, but has neither part nor lot in key letter connecting to neutral current potential, and above-mentioned key can regularly be arranged in a kind of keyboard style.Obviously the function that has neither part nor lot in key letter in above-mentioned this time and underuse, also promptly by with not according to being the same, hold no any circuit relationships with Q.

The purpose of this utility model provides the bicycle electronic alarm lock that a kind of coding type sound that the function of warning is expanded is again warned in both structural nexuss of mechano-electronic.

The purpose of this utility model can so realize: this lock electronic section chopped-off head is the 4017 clock in-gate circuits of forming for main body and periphery transistor thereof by counting sequence decode block IC1 model, with by 6 coding key and 3 buttons that have neither part nor lot in coding, the Q end as IC1 between two of each button K and the corresponding line all is to patch connection.Wherein key 5 is the Q4 of IC1, the keyboard of Q5 public key, form password switching circuit, and by the Q7 output second level.The second level by two triggering piece IC2 models be 4013 and alarming block IC3 model be 9562 and periphery transistor, loudspeaker, mercoid switch etc. form to trigger and drive warning circuit.Mercoid switch is that the dead key signal is input to 2 trigger ends of IC3 and causes warning with having neither part nor lot in key letter.The control end A of IC3 over the ground B with a linear electric conductor above-mentioned A end is done movable and links to each other, above-mentioned B end for fixedly connected, become the dead bolt short circuit and can be locked between front-wheel bar spoke.Select 4 control ends again at IC3, draw with lead respectively, and by the attaching nut, make wherein when the screw precession with power cathode ground for contacting conducting.In case dead bolt A head is extracted or above-mentioned arbitrary screw withdraws from, then become open circuit to report to the police.Be pressed into the magnetic switch of control complete machine power supply CD before the second level in addition, promptly artificial when the start-stop car it is gone up near two J1, the J2 tongue tube of fixing of magnetic stripe opposite house inside casing variable in distance is arranged when opening and closing a dodge gate, and makes J1, J2 that the break-make two states be arranged.When CD series connection J1 and LED are added on the positive machine of complete machine, little electric current and make preceding level work, and the V2 in parallel with J1 and LED makes the IC2 conducting of working because of the IC1 output signal when keyboard has code signal after, complete machine must have operating current.And J2 connects with a capacitor C 4 and is connected across the positive and negative two ends of complete machine, if J2 is stranded so ON time is long, the voltage on the C4 can cause the IC3 output alarm by input circuit.Can also draw two light emitting diodes of a route and transistor in addition at the output of IC3 again and form flashing circuit, luminous tube is contained in and makes sound have bright light jointly warn night on the outside of dodge gate.But the acoustical generator knob sounding bulletin pedestrian that can also form by push switch, switching tube, booster and buzzing sheet in both ends of power parallel connection one.Above-mentioned magnetic stripe, tongue tube, electronic circuit board, loudspeaker, battery all are assembled in the box.The box top is a dodge gate, and the box inner bottom part is fixed on the handlebar by 2 key screw boxes, and it is topped on above-mentioned 2 screws that 4 that screws relevant with control end pass the high resiliency sheet metal.The box side is drawn dead bolt with the lock front-wheel.

The utility model contrast prior art owing to designed magnetic switch and circuit thereof, not only has on-off function, does not handle keyboard then report to the police in the time of setting if open door, and it is controlled promptly to switch on.Utilization coding can be economized the band magnetic card but also arbitrarily can to change sign indicating number then more convenient in addition.The utilization dead bolt is extracted and is withdrawed from screw and all can report to the police, and the one, can save the cost of lock machine tool complexity, the 2nd, the whole lock box of anti-dismounting.Warn and electronics is stung the acoustic-electric road and more increased function as for LED flicker.

Below in conjunction with accompanying drawing and specific embodiments the utility model is elaborated again.

Fig. 1 is the utility model overall structure figure.

Fig. 2 is the utility model electrical schematic diagram.

From Fig. 1, constitute magnetic switch by magnetic stripe on the dodge gate 12 and tongue tube 4, magnetic stripe is near tongue tube when door is closed, disconnect in the tongue tube, and be depicted as door opening state now as Fig. 1, this moment, tongue tube was conducting, and battery 7 can have cryptochannel, trigger warning circuit by tongue tube and electronic circuit board 5 on the circuit board 5.Keyboard 3 loudspeakers 6 and all is connected with circuit board by A end B end bar shaped dead bolt 10, the A end is the cassette socket, and this cassette plug of dead bolt can be transferred to, and B holds and is that the fixing head of dead bolt, dead bolt are the conductive metallic material composition and pass locking Che Shicong front vehicle wheel 11 discal patch spokes.Between keyboard 3 and the circuit board is to be connected with the lead 15 that two activity can patch.When opening dodge gate 1, light emitting diode 13 can be luminous, and keyboard can be seen clearly, and reflective aluminum strip 14 plays the optically focused effect.Flicker light emitting diode 17 on the door is to synchronous working with loudspeaker, also works the effect of warning.When closing, dodge gate plays firm effect by dead bolt card 16.Nut 18 is drawn lead and is linked to each other with 4 control utmost points, and it is fixing for insulation with the copper film it under, and copper film connecting circuit plate negative pole is a ground connection, and 4 screws 9 are then controlled utmost point shorted to earth when passing copper film and screwing into nut, if arbitrary screw withdraws from the warning of then opening a way.Said modules is assembled into box, is installed on the handlebar 8 by the effect of 2 fixed screws 12 at the bottom of the box again.Screw bottom encrypts the back cover lid again.

From Fig. 2, this lock electronic section chopped-off head by counting sequence decode block IC1 model 4017 for main body, with and peripheral element constitute.Its Q0 to Q6 links to each other with K1 to K6 by D2-D8, and V1 is that clock is crossed the threshold, and forms password switching circuit.Output signal to IC2 from Q7, represent on this figure, the preface label of pressing K is Q7 output pulse in 3246515 o'clock successively when operate as normal.Other has K7 to K9 is dead key.Because the both sides of K all connect with mobilizable plug-in type, thus K1-K9 as long as change by the mode of inserting, label can change, Here it is password.This lock second level is two trigger piece IC2 model be 4013 and alarming block IC3 model be 9562 to form.Between I and II, insert the magnetic switch circuit.In conjunction with Fig. 1, dodge gate is opened, tongue tube J1, J2 conducting at this moment, and dc source CD makes IC1 that electricity be arranged by J1, LED1 and makes the C4 charging by J2.After promptly correctly connecing password if open the door, the V2 conducting, CD can use for complete machine with operating current, if close the door immediately, J1, J2 then disconnect at this moment.8 control ends of warning IC3 wherein 3 with prime controlled warning effect takes place all, other 5 all is to report to the police when opening a way over the ground.4 of AB end dead bolt and other by screw precession and withdraw from and cause short circuit to give alert and the open circuit warning.To VD, V6 output pulse, YD sounding and LED2, LED3 glistened when IC3 reported to the police.K10 is a push switch, and when it was connected, V7 and booster B vibration were by boosting buzzing sheet HD sounding.The R11 adjustable resistance plays the frequency adjustment effect.Bottom is used in combination situation, is described further again.But the user puts into driving vehicle behind the 4.5V battery from the bottom.When stopping, insert good dead bolt AB, open dodge gate, press password at 7-8 in second, close to the doorstep.This moment, this lock entered early warning status.Its principle is, after opening the door, magnetic stripe leaves J1, J2, and CD makes IC1 that electricity be arranged by J1, LED1, press password after, the Q7 of IC1 exports a pulse, makes the IQ1 upset of IC2, the V2 conducting.CD makes the circuitry energising by V2.Close behind the door, J1, J2 disconnect, and LED1 does not work.At this moment, 1. as if having the people to push dead bolt A end aside or cutting off, IC3 is a high potential at the A point, V0 and V6 conducting, and the YD sounding, LED2, LED3 send out flash of light.This moment is when going to screw out in 4 screws 9 any if there is the people will remove the machine box, because screw withdraws from nut, nut does not just contact with the negative pole of CD, thus in the control end of 4 IC3 any with dead bolt the same and YD sounding of opening a way.2. if there is the people to move car body, mercoid switch SK can intermittently connect, and V3 conducting YD sends out sounding interrupted.3. if there is the people to open dodge gate, the words of error code button are as long as button is arbitrary inferior in K7 to K9, and the IQ2 of IC2 overturns, V5 work, YD sounding.4. if there is the people to open dodge gate, button or not, but overlong time again not by to dead key but do not connect password, since the J2 conducting, the last voltage increases of C4, and triggering DW also makes the V4 conducting, the YD sounding.5. when if the car owner desires to walk by bike, then open the door earlier connect password after, IC1 exports a pulse, the IQ1 of the IC2 output electronegative potential that overturns once more, V2 ends.Put down then behind the door, complete machine outage can be dialled dead bolt AB or opened mechanical lock again and drive to advance.If the car owner then repeats above-mentioned steps in the time of will stopping again, promptly to insert good dead bolt, open the door by password, complete machine is located early warning status again.

Claims (2)

1, a kind of bicycle electronic alarm lock has electronic cipher circuit, warning circuit and liquid switch, and foregoing circuit element and other set of devices are contained in the box body, and dead bolt is drawn from box and passed between wheel bar spoke, and the utility model is characterised in that:

(1) Q of counting sequence decode block 4017 end is connected with an end of 6 keys, the key other end is common port and is connected with the transistor clock input gate, other has three keys to have neither part nor lot in coding, the one end connects anode, the two later half trigger ends that trigger piece 4013 of another common port and next stage are connected, the two ends of above-mentioned 9 keys with square end is grafting and is connected;

(2) box body top lid is a dodge gate, form magnetic switch by 2 tongue tubes in the magnetic stripe of door inboard and the box, GND ground connection, anodal tongue tube and light emitting diodes of connecting by both form the complete machine positive pole, behind the input password, the transistor turns in parallel with the tongue tube light emitting diode, this moment, anode formed the complete machine positive pole by transistor turns, and was connected across after another tongue tube and the capacitances in series on this kind complete machine both positive and negative polarity;

(3) preceding half trigger end of two triggering pieces 4013 links to each other with the Q7 end of decode block;

(4) mercoid switch, tongue tube capacitances in series point, the later half trigger end of two triggering pieces three control ends of transistor AND gate alarming block of respectively hanging oneself connect, another control of alarming block is connected with the cassette plugs and sockets with one of dead bolt, fixedly connected with the power-polar region in the other end, alarming block in addition four control ends goes between separately and connects four nuts and be connected with ground by screw wherein;

(5) the alarming block output connects a transistorized base stage, and colelctor electrode inserts loudspeaker.

2, bicycle electronic alarm lock according to claim 1 is characterized in that:

(6) (5) from aforesaid right requirement 1, a warning output transistor in parallel again, its colelctor electrode inserts two light emitting diodes in parallel that are installed on the box outer side of door,

(7) be connected across the complete machine positive and negative polarities and insert the phonation circuit that knob, lifter buzzing sheet and transistor are formed again.

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