CN2245569Y - Radio telecontrol anti-theft alarm device for bicycle - Google Patents

Abstract

The utility model relates to a radio telecontrol anti-theft alarm device for a bicycle. The utility model is characterized in that the device is composed of a transmitting box arranged on the bicycle and a receiving box carried by a driver. The control information between the transmitting box and the receiving box is transmitted by the radio wave. The pulse cipher signals are transmitted by the transmitting box intermittently, received by the receiving box, and decoded. If the pulse cipher signals are the same with the combined setting code, the luminescent display appears. If not, the alarming sound is given out. Once vibrated, the transmitting box sends out long time alarm code signals. After the receiving box receives the decoding, the long time alarming sound is given out. The device has the advantages of convenient operation and reliable control, and can effectively ensure the safety of parking the bicycle.

Description

Bicycle use wireless remote control antitheft alarm system

The utility model relates to electronic alarm and makes the field, particularly relates to a kind of protective device that is used for bicycle anti-theft alarm.

Chinese patent literature CN2158373Y has disclosed a kind of " bicycle anti-theft alarm device ", when being installed in this annunciator on the bicycle and being on the alert, if bicycle is touched by the people, the swing of hammer in the vibration of vehicle body causes in the annunciator, make circuit turn-on, thereby sound the alarm.Its shortcoming is: at first, the alarm song transmission distance is very limited, is difficult for causing away from parking site or stays discovering of at home car owner; Secondly, the swing of hammer causes conducting of contact in the dependence, and its sensitivity can be because the increase of period of service or other factors decline; Again secondly, if the annunciator that is installed on the bicycle is destroyed, can't discover away from the car owner at scene.

The purpose of this utility model is to provide a kind of bicycle use wireless remote control antitheft alarm system in order to overcome above-mentioned weak point, and it is formed by being installed in receiving box two parts that launch-box on the bicycle and car owner carry.It adopts mercury formula switch, to vibration alarming reliability height; Occur in case steal feelings, feedway and receiving device have alarm song to send simultaneously; Even feedway suffers artificial or natural cause is destroyed, receiving device also can sound the alarm.

The utility model is achieved in that a kind of bicycle use wireless remote control antitheft alarm system, it is formed by being installed in the receiving box that launch-box on the bicycle and carried as side-arm carry, the mouth of pulse timer mouth and oscillation test warning circuit all is connected to the input end of transistor switching circuit, and the mouth of transistor switching circuit is contained in the launch-box after cascade is connected successively with encode circuit, transmission circuit; Superregenrative reception shaping circuit, decoding circuit cascade successively connect that its decoding mouth of back is connected to luminous display circuit, impulse singla interrupt detect circuitry, the input end of three circuit such as warning signal deteching circuit when long, the mouth of warning signal deteching circuit all is connected to the input end of delayed alarm circuit when the mouth of impulse singla interrupt detect circuitry and length, and is contained in the receiving box.

Be installed in launch-box on the bicycle and launch the coded pulse of preset frequency discontinuously, the receiving box that the car owner carries is after receiving, decoding, if meet prior given value, the mouth of then decoding has signal output, light-emitting diode in the luminous display circuit sends the flicker light at this moment, the unmanned shake-up of expression bicycle safe; When if the signal that receives does not meet given value or does not have the signal generation at all, the mouth no signal of then decoding output, light-emitting diode is not luminous, simultaneously, the work of impulse singla interrupt detect circuitry also causes that the loud speaker in the receiving box reports to the police, and expression has abnormal condition to occur.In addition, if bicycle stolen car people touches, mercury formula switch is interrupted conducting, exports a string make-and-break signal through oscillation detection circuit, if when the make-and-break signal that vibration causes reaches predefined given value, and the long messenger of output then.At this moment, the loud speaker in the receiving box gives the alarm.Therefore, the car owner can monitor the bicycle of parking site at any time easily, in case feelings take place to steal, on-the-spot launch-box and receiving box at one's side all have alarm sound, therefore, even artificial or corollary failure partly appear in feedway, receiving box also has alarm sound with the prompting abnormal condition.

Fig. 1 is the overall connection mode scheme drawing of the utility model circuit;

Fig. 2 is the utility model launch-box unit electrical schematic diagram;

Fig. 3 is the utility model receiving box unit electrical schematic diagram;

Fig. 4 is the scheme of installation of the utility model launch-box;

Below in conjunction with accompanying drawing the utility model is further described:

Among Fig. 1, in the launch-box 1, the mouth of the mouth of pulse timer 3 and vibration inspection warning circuit 4 is connected to the input end of transistor switching circuit 5, and the mouth of transistor switching circuit 5 and encode circuit 6, transmission circuit 7 are that cascade connects; In the receiving box 2, acceptor circuit 8 is that cascade is connected with decoding circuit 9, the mouth of decoding circuit 9 is connected to luminous display circuit 10, impulse singla interrupt detect circuitry 11, the input end of three circuit such as warning signal deteching circuit 12 grades when long, the mouth one of warning signal deteching circuit 12 is connected to the input end of delayed alarm circuit 13 when the mouth of impulse singla interrupt detect circuitry 11 and length.Two kinds of working processs are arranged here, a kind ofly be: the impulse singla that sends interruption through pulse timer 3 and transistor switching circuit 5, the encoded again circuit 6 of this signal carries out impulse modulation, intermittently launch the remote control password by transmission circuit 7 with the radiowave form at last, after this code signal is received by acceptor circuit 8, compare through decoding circuit 9 and the local sign indicating number of setting, when the two is identical when them, the mouth of decoding circuit 9 just has signal output, and at this moment luminous display circuit 10 has the luminous demonstration of flicker; When code signal and setting sign indicating number are inequality, the mouth no signal output of decoding circuit 9, at this moment, impulse singla interrupt detect circuitry 11 is started working, and sends chimes of doom through delayed alarm circuit 13.Another kind of working process is: the vibration of frame causes oscillation detection circuit 4, through switch circuit 5 outputs one long messenger, and encoded back emission, the long messenger of this password is after receiving the decode, when meeting given sign indicating number, decoding circuit 9 outputs one long messenger, luminous display circuit 10 has lasting luminous demonstration.Simultaneously, this long messenger after warning signal deteching circuit 12, delayed alarm circuit 13 processing, sends chimes of doom when long.

Among Fig. 2 and Fig. 3, first kind of working process is: by ic chip _1-1, resistance R ₁, R ₂, capacitor C ₁, diode D ₁Form the 10:1 timing circuit, through diode D ₂, ic chip _1-6Export 0.2 second launch time, 10 seconds intersexuality pulse of pitch time, master cock pipe BG ₁During conducting, encode circuit 6, transmission circuit 7 are powered, and send the discountinuity coded pulse immediately; This impulse singla is via ic chip ₅And the acceptor circuit 8 formed of peripheral cell and by ic chip ₄And after the decoding circuit 9 that peripheral cell is formed received, decoding handles, when setting in coded pulse and the demoder when yard identical, decoding circuit just had signal output.This signal is through aerotron BG ₃Amplify, make the luminous by phased manner demonstration of LED, promptly every 10 seconds, luminous 0.2 second.If compile and to set yard inequality in arteries and veins and the demoder or do not receive signal in two cycles in pulse spacing, decoding circuit 9 does not have signal output.At this moment, BG ₃End, the not luminous demonstration of LED, meanwhile, ic chip _5-1, 1C _5-2, IC _5-3The signal that work is sent is through aerotron BG ₂Amplify, promote loud speaker Y ₂Send alerting signal; Second kind of working process is: after mercury formula switch A is shaken, export a string make-and-break signal, through ic chip _1-2, IC _1-3, IC _1-4, resistance R ₄, diode D ₃, capacitor C ₃After the shaping by ic chip ₂Counting is when the make-and-break signal number reaches the setting number (it is adjustable to set number, is set at 7 times/second herein), by ic chip _1-5, output one long messenger, loud speaker Y ₁Therefore send long-time chimes of doom.Simultaneously, this long messenger is through diode D ₄With D ₂After anode signal is comprehensive, BG ₁Conducting, encoded, warning code signal when launching a length.The warning code signal was after receiving, decoding when this was long, and warning signal deteching circuit 12, delayed alarm circuit 13 promote loud speaker Y when long again ₂Send chimes of doom.The utility model adopts CD4000 series digit circuit chip, wherein IC ₂Be CD4017, IC _5-1～IC _5-6Be CD4093.

The length that it is pointed out that emission duration is by R in the timing circuit 3 ₁, R ₂, C ₁Size decision.Coder adopts the integrated circuit block of 12 input end 3 attitudes (high level, low level, do not connect) coding, according to the principle of permutation and combination, can form more than 530,000 kind of password on a radio wave frequency.Password of a corresponding configuration of wireless remote control anti-joyride device.The utility model adopts the timing pip transmission circuit, can shorten launch time, extending battery life.Its wireless remote control distance is in 25 meters.The utlity model has the self-defence function, in case launch-box suffers artificial or natural cause is damaged, the indicator lamp of receiving box does not work, and sends chimes of doom simultaneously.

Fig. 4 is the utility model launch-box scheme of installation.Launch-box 1 is installed in the bicycle lock 18, and two lead-in wires 16 stretch out from launch-box 1, with source switch K ₁Connect K switch ₁Base portion 14 lower ends stretch out folding contact 15, when unblanking, lock lock shaft 17 is extracted out from lock 18, contact 15 is overhanging, K ₁Disconnect; When bicycle was locked, lock shaft 17 inserted lock 18, contact 15 compressions, K ₁Closed.It is pointed out that launch-box also can be installed in other position of bicycle, K switch ₁Can select other type as required for use.

The utility model in use, park bicycle after, close switch K ₁, K ₂, launch-box and control capsule are stood alert; When not needing to guard, turn-off K ₁, K ₂Get final product.

Claims (2)

1, a kind of bicycle use wireless remote control antitheft alarm system, it is characterized in that, it is made up of the receiving box (2) that is installed in the launch-box (1) on the bicycle and carry, the mouth of the mouth of pulse timer (3) and oscillation test warning circuit (4) all is connected to the input end of transistor switching circuit (5), the mouth of transistor switching circuit (5) and encode circuit 6) transmission circuit (7) is contained in the launch-box (1) after cascade is connected successively; Superregenrative reception shaping circuit (8) decoding circuit (9) cascade successively connects that its decoding mouth of back is connected to luminous display circuit (10), impulse singla interrupt detect circuitry (11), the input end of warning signal deteching circuit three circuit such as (12) when long, the mouth of warning signal deteching circuit (12) all is connected to the input end of delayed alarm circuit (13) when the mouth of impulse singla interrupt detect circuitry (1) and length, and is contained in the receiving box (2).

2, warning device according to claim 1 is characterized in that, the element annexation of described impulse singla interrupt detect circuitry (11) is: IC _5-1Input end be connected to the mouth of decoding circuit (9), IC _5-1Mouth and resistance R ₁₀An end and diode D ₇Negative electrode connect R ₁₀The other end, D ₇Anode, IC _5-2Input end and capacitor C ₆An end be connected C ₆Other end ground connection, IC _5-2Mouth be connected to diode D ₈Negative electrode, D ₈Anode be connected to the input end of delayed alarm circuit (13).

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