CN2279419Y - Anti-theft ring for bicycle - Google Patents

Abstract

The utility model relates to an anti-theft bell for a bicycle which can replace a mechanical bicycle bell and has anti-theft function. A sound source circuit, a sounding signal amplifying circuit, a control circuit, a trigger circuit and a working power supply are installed in a casing, wherein, the sound source circuit has a sounding integrated circuit, the sounding signal amplifying circuit has a power amplifying transistor and a speaker, the control circuit has an oscillation resistance and a lock-controlled switch, and the trigger circuit has a whistle button and an anti-theft trigger circuit. The utility model has the advantages of simple structure, low cost and convenient use. When the utility model is used, the mechanical bicycle bell can be replaced, and the bicycle or a motorcycle can be effectively prvented from being stolen.

Description

Bicycle bell able to guard against being theft

The utility model relates to the vehicle anti-theft warning device, is a kind of bicycle bell able to guard against being theft, is specially adapted to bicycle or motorcycle anti-theft.

Because bicycle or motorcycle light and flexible and can park, but make vehicle stolen easily because of the parking circumstance complication everywhere.At present, it is mechanical that bicycle or anti-theft device for motorcycle mostly are greatly, and the robber can open it at short notice, transports after perhaps car being carried on lorry.

The purpose of this utility model is to overcome the deficiency of prior art and designs a kind of bicycle bell able to guard against being theft that the mechanical type bicycle bell can be antitheft that both can replace.

The purpose of this utility model is finished by following measure: in the housing of this bicycle bell able to guard against being theft sound source circuit is housed, the audible signal amplifying circuit, control circuit, circuits for triggering and working power, wherein, sound-producing integrated circuit is arranged in the sound source circuit, power discharging transistor and loudspeaker are arranged in the audible signal amplifying circuit, oscillation resistance and lock-controlled switch are arranged in the control circuit, blow a whistle in the circuits for triggering button and antitheft circuits for triggering, the audible signal output of sound-producing integrated circuit and the signal input part of the power discharging transistor in the audible signal amplifying circuit join, and the power amplifier input of the output of loudspeaker and power discharging transistor joins, oscillation resistance in the control circuit is connected between the vibration control output end and input of sound-producing integrated circuit, the power switch input of lock-controlled switch and the output of working power join in the control circuit, and the output of blowing a whistle of power switch joins with the input of loudspeaker after serial connection is blown a whistle button, the antitheft output of power switch and the input of antitheft circuits for triggering join, the sound source control output end of the sound source gauge tap input of lock-controlled switch and sound-producing integrated circuit joins in the control circuit, the input of the blow a whistle output and the working power of sound source gauge tap joins, and the antitheft output of sound source gauge tap and the input of loudspeaker join; Trigger triode and antitheft vibrating sensor are arranged in the antitheft circuits for triggering, the input of trigger triode and antitheft vibrating sensor and the input of antitheft circuits for triggering join, the high level control input end of the output of trigger triode and sound-producing integrated circuit joins, and the output of antitheft vibrating sensor and the trigger end of trigger triode join; One end of delay capacitor and the trigger end of trigger triode join, and the input of the other end of delay capacitor and working power joins; Tamper triode and tamper sheet metal are arranged in the antitheft circuits for triggering, the input of tamper triode and tamper sheet metal and the input of antitheft circuits for triggering join, the output of tamper triode and the trigger end of trigger triode join, and the tamper trigger end of the output of tamper sheet metal and tamper triode joins; The output of tamper triode joins through serial connection balance resistance and working power input; Tamper sheet metal output joins through serial connection steady resistance and working power input; The vibration control output end of the vibration gauge tap input of lock-controlled switch and sound-producing integrated circuit joins in the control circuit, the vibration control input end of antitheft output through being connected in series antitheft oscillation resistance and sound-producing integrated circuit of vibration gauge tap joins, and the output of blowing a whistle of the gauge tap that vibrates joins through the blow a whistle vibration control input end of oscillation resistance and sound-producing integrated circuit of serial connection; Lock-controlled switch in the control circuit is the triple-pole double throw lock-controlled switch; Sound-producing integrated circuit is a KD9561 model four tones of standard Chinese pronunciation integrated circuits; Power discharging transistor is 9013 or 8050 model power discharging transistors; Antitheft vibrating sensor is unidirectional mercoid switch vibrating sensor.

Accompanying drawing 1 is the principle schematic of the utility model most preferred embodiment,

Accompanying drawing 2 is the circuit diagram of the utility model most preferred embodiment,

Accompanying drawing 3 is the perspective view of the utility model most preferred embodiment,

Accompanying drawing 4 is the lateral view of accompanying drawing 3,

Accompanying drawing 5 is the tamper sheet metal structure schematic diagram of the utility model most preferred embodiment,

Accompanying drawing 6 is the press-button structure schematic diagram of blowing a whistle of the utility model most preferred embodiment,

Coding in the accompanying drawing is respectively: 1 is that antitheft oscillation resistance is R1,2 for the oscillation resistance of blowing a whistle be R2,3 is that the vibration gauge tap is KO, 4 for the sound source gauge tap is KS, and 5 for working power is E, 6 for power switch be KE, 7 is sound source circuit, 8 is the audible signal amplifying circuit, and 9 for the button of blowing a whistle is AN, and 10 is antitheft circuits for triggering.

Below in conjunction with most preferred embodiment the utility model is further described:

Shown in accompanying drawing 1,2,3,4 and 6, sound source circuit 7, audible signal amplifying circuit 8, control circuit, circuits for triggering and working power 5 are housed in the housing of this best bicycle bell able to guard against being theft, wherein, sound-producing integrated circuit IC1 is arranged in the sound source circuit 7, power discharging transistor V1 and loudspeaker Y are arranged in the audible signal amplifying circuit 8, oscillation resistance and lock-controlled switch are arranged, blow a whistle in the circuits for triggering button AN and antitheft circuits for triggering 10 in the control circuit;

Shown in attached Fig. 1 and 2, the audible signal output b of sound-producing integrated circuit IC1 and the signal input part of the power discharging transistor V1 in the audible signal amplifying circuit 8 join, and the power amplifier input of the output of loudspeaker Y and power discharging transistor V1 joins;

Shown in accompanying drawing 1,2 and 3, oscillation resistance in the control circuit is connected between the vibration control output end OSCO and input OSCI of sound-producing integrated circuit, the vibration control output end OSCO of gauge tap KO input KO1 and sound-producing integrated circuit IC1 of preferably vibrating joins, the vibration control input end OSCI of antitheft output KO2 through being connected in series antitheft oscillation resistance R1 and sound-producing integrated circuit IC1 of vibration gauge tap KO joins, and the output KO3 that blows a whistle of the gauge tap KO that vibrates joins through the blow a whistle vibration control input end OSCI of oscillation resistance R2 and sound-producing integrated circuit IC1 of serial connection

Shown in accompanying drawing 1,2,3,4 and 6, the power switch KE input KE1 of lock-controlled switch and the output of working power E join in the control circuit, and the output KE3 end of blowing a whistle of power switch KE joins with the input of loudspeaker Y after serial connection is blown a whistle button AN, and the antitheft output KE2 of power switch KE and the input of antitheft circuits for triggering 10 join;

Shown in accompanying drawing 1,2 and 3, the sound source control output end SEL1 of the sound source gauge tap KS input KS1 of lock-controlled switch and sound-producing integrated circuit IC1 joins in the control circuit, the input of blow a whistle output KS3 and the working power E of sound source gauge tap KS joins, and the antitheft output KS2 of sound source gauge tap KS and the input of loudspeaker Y join.

Shown in attached Fig. 1 and 2, trigger triode V2 and antitheft vibrating sensor ZC are arranged in the antitheft circuits for triggering 10, the input of the input of trigger triode V2 and antitheft vibrating sensor ZC and antitheft circuits for triggering 10 joins, the high level control input end VDD of the output of trigger triode V2 and sound-producing integrated circuit IC1 joins, and the trigger end of the output of antitheft vibrating sensor ZC and trigger triode V2 joins; In order to prolong time of fire alarming, be connected to delay capacitor C1 between the input of the trigger end of trigger triode V2 and working power E;

Shown in accompanying drawing 1,2,3 and 5, in order to prevent to remove this bicycle bell able to guard against being theft, increase in the antitheft circuits for triggering tamper triode V3 and tamper sheet metal CD are arranged, the input C of tamper triode V3 and tamper sheet metal CD and the input of antitheft circuits for triggering 10 join, the output of tamper triode V3 and the trigger end of trigger triode V2 join, and the tamper trigger end of the output D of tamper sheet metal CD and tamper triode V3 joins; In order to make tamper warning energy steady operation, the output of tamper triode V3 joins through serial connection balance resistance R3 and working power E input, and tamper sheet metal CD output joins through serial connection steady resistance R4 and working power E input; Shown in accompanying drawing 3 and 5, tamper sheet metal CD is preferably and is used for this bicycle bell able to guard against being theft is fixed on metal stator on the car body, by input C on tamper sheet metal CD and the housing and output D is fixed point C and fixed point D, with screw this bicycle bell able to guard against being theft is fixedly mounted on the car body, if will remove this bicycle bell able to guard against being theft, just tamper sheet metal CD must be pulled down from this bicycle bell able to guard against being theft, will trigger this bicycle bell able to guard against being theft like this and report to the police;

Shown in attached Fig. 1 and 2, the vibration control output end of the vibration gauge tap input of lock-controlled switch and sound-producing integrated circuit joins in the control circuit, the antitheft output of vibration gauge tap and the vibration control input end of sound-producing integrated circuit join, and the vibration control input end of the blow a whistle output and the sound-producing integrated circuit of vibration gauge tap joins;

Shown in accompanying drawing 2 and 3, the lock-controlled switch in the control circuit is preferably the triple-pole double throw lock-controlled switch, replaces power switch KE, sound source gauge tap KS and vibration gauge tap KO with a triple-pole double throw lock-controlled switch K; Sound-producing integrated circuit IC1 is preferably KD9561 model four tones of standard Chinese pronunciation integrated circuit; Power discharging transistor V1 is preferably 9013 or 8050 model power discharging transistors; Antitheft vibrating sensor ZC is preferably unidirectional mercoid switch vibrating sensor.

After car stops well, lock-controlled switch is screwed to antitheft position, at this moment the KE of triple-pole double throw lock-controlled switch K, KS, KO group are all thrown 2 ends in each group; And KE group is transformed into input in the antitheft circuits for triggering with the working power output; KS group switches to the positive pole of working power with the be connected sound source control end SEL1 of sound-producing integrated circuit IC1 soon of the input of the sound source control output end SEL1 of sound-producing integrated circuit IC1 and loudspeaker Y, with the selection chimes of doom; The KO group will switch on the antitheft oscillation resistance R1, to send correct chimes of doom; When at this moment if the robber attempts go-cart or bears vehicle away, after being vibrated, antitheft vibrating sensor ZC makes trigger triode V2 conducting, and give the high ordinary telegram of the VDD position, high level control input end of sound-producing integrated circuit IC1, thereby make loudspeaker Y send chimes of doom; Because of delay capacitor C1 stores a part of voltage to keep triggering, as long as not stopping promptly to vibrate, theft do not stop, and loudspeaker Y just can send chimes of doom always, has only vibration to stop, and after the voltage of delay capacitor C1 descended gradually, reporting to the police just can stop; If the robber wants to remove this bicycle bell able to guard against being theft, when the fixed point of tamper sheet metal CD one end from housing pulled down, also can make trigger triode V2 conducting, in like manner, also can make loudspeaker Y send chimes of doom;

When car does not need antitheft and when normally riding, lock-controlled switch is screwed to the position of blowing a whistle, at this moment the KE of triple-pole double throw lock-controlled switch K, KS, KO group are all thrown 3 ends in each group; And the KE group is transformed into the button AN input of blowing a whistle with the working power output; KS group switches to the negative pole of working power with the be connected sound source control end SEL1 of sound-producing integrated circuit IC1 soon of the input of the sound source control output end SEL1 of sound-producing integrated circuit IC1 and working power E, with the selection sound of blowing a whistle; The KO group will switch on the oscillation resistance R2 that blows a whistle, to send the correct sound of blowing a whistle.

The utility model is simple in structure, cost is low, easy to use, use this bicycle bell able to guard against being theft not only can replace the mechanical type bicycle bell, can prevent effectively that also bicycle or motorcycle are stolen.

Claims (10)

1. bicycle bell able to guard against being theft, it is characterized in that being equipped with in the housing sound source circuit, the audible signal amplifying circuit, control circuit, circuits for triggering and working power, wherein, sound-producing integrated circuit is arranged in the sound source circuit, power discharging transistor and loudspeaker are arranged in the audible signal amplifying circuit, oscillation resistance and lock-controlled switch are arranged in the control circuit, blow a whistle in the circuits for triggering button and antitheft circuits for triggering, the audible signal output of sound-producing integrated circuit and the signal input part of the power discharging transistor in the audible signal amplifying circuit join, and the power amplifier input of the output of loudspeaker and power discharging transistor joins, oscillation resistance in the control circuit is connected between the vibration control output end and input of sound-producing integrated circuit, the power switch input of lock-controlled switch and the output of working power join in the control circuit, and the output of blowing a whistle of power switch joins with the input of loudspeaker after serial connection is blown a whistle button, the antitheft output of power switch and the input of antitheft circuits for triggering join, the sound source control output end of the sound source gauge tap input of lock-controlled switch and sound-producing integrated circuit joins in the control circuit, the input of the blow a whistle output and the working power of sound source gauge tap joins, and the antitheft output of sound source gauge tap and the input of loudspeaker join.

2. bicycle bell able to guard against being theft according to claim 1, it is characterized in that trigger triode and antitheft vibrating sensor are arranged in the antitheft circuits for triggering, the input of trigger triode and antitheft vibrating sensor and the input of antitheft circuits for triggering join, the high level control input end of the output of trigger triode and sound-producing integrated circuit joins, and the output of antitheft vibrating sensor and the trigger end of trigger triode join.

3. bicycle bell able to guard against being theft according to claim 2 it is characterized in that an end of delay capacitor and the trigger end of trigger triode join, and the input of the other end of delay capacitor and working power joins.

4 according to claim 2 or 3 described bicycle bell able to guard against being theft, it is characterized in that tamper triode and tamper sheet metal are arranged in the antitheft circuits for triggering, the input of tamper triode and tamper sheet metal and the input of antitheft circuits for triggering join, the output of tamper triode and the trigger end of trigger triode join, and the tamper trigger end of the output of tamper sheet metal and tamper triode joins.

5. bicycle bell able to guard against being theft according to claim 4 is characterized in that the output of tamper triode joins through serial connection balance resistance and working power input; Tamper sheet metal output joins through serial connection steady resistance and working power input.

6. bicycle bell able to guard against being theft according to claim 1, it is characterized in that the vibration gauge tap input of lock-controlled switch in the control circuit and the vibration control output end of sound-producing integrated circuit join, the vibration control input end of antitheft output through being connected in series antitheft oscillation resistance and sound-producing integrated circuit of vibration gauge tap joins, and the output of blowing a whistle of the gauge tap that vibrates joins through the blow a whistle vibration control input end of oscillation resistance and sound-producing integrated circuit of serial connection.

7. according to claim 1 or 6 described bicycle bell able to guard against being theft, it is characterized in that the lock-controlled switch in the control circuit is the triple-pole double throw lock-controlled switch.

8. bicycle bell able to guard against being theft according to claim 1 is characterized in that sound-producing integrated circuit is a KD9561 model four tones of standard Chinese pronunciation integrated circuits.

9. bicycle bell able to guard against being theft according to claim 1 is characterized in that power discharging transistor is 9013 or 8050 model power discharging transistors.

10. bicycle bell able to guard against being theft according to claim 1 is characterized in that antitheft vibrating sensor is unidirectional mercoid switch vibrating sensor.

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