CN1079190A

CN1079190A - Remote theft-preventing apparatus for motorcycle

Info

Publication number: CN1079190A
Application number: CN92103850A
Authority: CN
Inventors: 邱有赐
Original assignee: Individual
Current assignee: Individual
Priority date: 1992-05-29
Filing date: 1992-05-29
Publication date: 1993-12-08

Abstract

A kind of remote theft-preventing apparatus for motorcycle comprises control circuit and driving circuit etc.; Control circuit has shift register, programmable integrated circuit and the first comparative degree circuit.It is characterized in that: it is available that programmable integrated circuit has multistage output reference voltage value, and be provided with the second comparative degree circuit in the control circuit, and it is made up of comparator and D/A switch circuit; By the output reference voltage value of selecting programmable integrated circuit and via the conversion of D/A converting circuit, comparator is done further relatively the motorcycle vibration signal with suitable reference comparison voltages, and then adjusted the Car Burglar Alarm sensitivity.

Description

Remote theft-preventing apparatus for motorcycle

The present invention relates to a kind of remote theft-preventing apparatus for motorcycle, particularly relate to the remote theft-preventing apparatus for motorcycle that a kind of sensitivity can be adjusted, anti-theft effect is certain.

Because the driving and the convenient parking of motor bike; so be made for the motor bike of short distance traffic instrument recently more and more welcome trend is arranged; but increase along with the motor bike owning amount; relative motor bike loss by theft rate also improves gradually; for the quilt of effectively taking precautions against motor bike is stolen; relevant dealer provides anti-theft appliance of all kinds; installing remote theft-preventing apparatus for motorcycle additional and be most popular on motor bike also is can take precautions against the stolen mode of motor bike by actv.; because remote theft-preventing apparatus for motorcycle is except possessing the most basic anti-theft feature; usually also comprise automatic startup engine; seek multiple functions such as car; so motor bike can prevent effectively that not only motor bike from being stolen after in a single day installing remote theft-preventing apparatus additional, simultaneously more can multi-functional design and bring the person for driving a car sizable convenience.

As previously mentioned, remote theft-preventing apparatus for motorcycle had multiple functions of use in the past, wherein anti-theft feature most importantly; When the car owner utilizes remote theft-preventing apparatus that motor bike is set in anti-theft state, in case motor bike has unusual move or vibration produces (personage that is beyond the car owner of vibration or move does usually), being installed in motor bike in-to-in Car Burglar Alarm utilizes sensing elements such as vibroswitch or piezoelectric buzzer to sense automatically immediately, and then relevant control circuit is moved, make the song that Car Burglar Alarm gives a warning, inform the car owner or cause attention of personage on every side etc. and reach, and reach the purpose of motorcycle anti-theft; Yet it is all certain that remote theft-preventing apparatus had sensitivity when anti-theft state in the past, and its major cause is because motor bike is when installing Car Burglar Alarm additional, all set the sensing voltage value of Car Burglar Alarm sensing element by installation adjustment person, and the car owner can't change it again; So when the motor bike that adds Car Burglar Alarm is in anti-theft state, must has the above vibration of certain specific degrees to change and produce, Car Burglar Alarm just can sense and then produce theft-proof effect; But thus, motorcycle alarm has following puzzlement in use: when the sensitivity of (1) anti-theft state is too high, in a single day motor bike is touched because of carelessness or is vibrated, Car Burglar Alarm moves immediately and pipes, often cause user or personage's puzzlement on every side, when (2) antitheft sensitivity is too low, might reach anti-theft effect really, and take place that auto theft person moves motor bike and situation that the car owner discovers not yet.

Main purpose of the present invention provides a kind of remote theft-preventing apparatus for motorcycle, and it can adjust theft-proof sensitivity by the user is appropriate, thereby the certain performance in good time, suitable ground anti-theft effect.

The objective of the invention is that following mode reaches: a kind of remote theft-preventing apparatus for motorcycle, it is made up of unit such as encode circuit, transmission circuit, acceptor circuit, amplifying circuit, decoding circuit, control circuit and driving circuits in regular turn; Wherein encode circuit and transmission circuit are formed the remote controller of carrying for the user, after receiving code signal by acceptor circuit, through amplifying circuit, decoding circuit decoded signal is outputed to control circuit, send by control circuit and control signal to driving circuit driving relay and suitable element action; Described control circuit comprises shift register, programmable integrated circuit and the first comparative degree circuit of the motorcycle vibration signal being made comparisons with fixing comparative voltage; Described programmable integrated circuit has output reference voltage value selective more than a section, and also is provided with the second comparative degree circuit in the control circuit, and it is made up of comparator and D/A switch circuit; By the output reference voltage value of selecting described programmable integrated circuit and via the conversion of D/A switch circuit, do further relatively to reference comparison voltages and motorcycle vibration signal that described comparator output is suitable, and then control Driver Circuit drives relay and suitable element action.

The present invention is described in detail below in conjunction with drawings and Examples:

Fig. 1 is the block flow diagram of remote theft-preventing apparatus for motorcycle of the present invention;

Fig. 2,3, the 4th, the circuit diagram of remote theft-preventing apparatus for motorcycle of the present invention.

See also the block flow diagram of remote theft-preventing apparatus for motorcycle of the present invention shown in Figure 1, and please cooperate that to consult shown in Fig. 2,3,4 be the circuit diagram of remote theft-preventing apparatus for motorcycle of the present invention, as shown in Figure 1, unit such as encode circuit 1, transmission circuit 2, acceptor circuit 3, amplifying circuit 4, decoding circuit 5, control circuit 6 and driving circuit 7 have been the present invention includes, control circuit 6 mainly is made up of shift register 60 and programmable integrated circuit 61, by the cooperation of software program, control circuit 6 can reach the purpose of control interlock circuit; Acceptor circuit 3, amplifying circuit 4, decoding circuit 5, control circuit 6 and driving circuit 7 are installed on the motor bike, and encode circuit 1, transmission circuit 2 then composition remote controller are carried by the motor bike steerman.

As shown in Figure 2, have four button A, B, C, D in the remote controller of being formed by encode circuit 1 and transmission circuit 2, its represent respectively set antitheft, eliminate antitheft, igniting and squelch anti-stealing etc. automatically; In conjunction with reference to Fig. 3, when pushing the button A in the remote controller when the motor bike steerman, transmission circuit will be sent through encoded signals and give acceptor circuit 3, after acceptor circuit 3 receives this signal and deliver to amplifying circuit 4 amplifications, deliver to decoding circuit 5 decodings, and decoded signal will export control circuit 6 to; Refer again to Fig. 4, in control circuit 6, decoded signal is to read in regular turn in the programmable integrated circuit 61 via shift register 60, and but the design identification incoming signal that programmable integrated circuit 61 utilizes program why, because the user is the button A that pushes remote controller, just will set motorcycle alarm is theft-proof state, so the programmable integrated circuit 61 of control circuit 6 will send appropriate control signals and give driving circuit 7 to drive relay and suitable element action at this moment, as motorcycle horn generation is earlier rung for one, indicator dodges several, and (number of times is determined by the hop count that the user sets the motorcycle anti-theft sensitivity, chat in the back as for the hop count adjustment of motorcycle anti-theft sensitivity), and loudspeaker produce and ring after five seconds, then motorcycle alarm enters anti-theft state, if this moment, motor bike was vibrated, then Car Burglar Alarm is rung generation, and motorcycle turning lamp flicker in per three seconds once, after 10 seconds, stop, and motor bike can't be started; When in like manner hypothesis is used the button B push in the remote controller, then via same flow process control Car Burglar Alarm will make loudspeaker ring and indicator once glittering, the expression motorcycle alarm is removed antitheft; Then Car Burglar Alarm will start motor engine automatically when the user pushes button C in the remote controller; When pushing button D in the remote controller as for the user, then via aforesaid flow process control Car Burglar Alarm loudspeaker will be rung two, then Car Burglar Alarm will enter anti-theft state automatically as the functions of use of aforementioned button A, and this antitheft setting is called squelch anti-stealing.

The present invention is characterized in that control circuit 6 also comprises the design of adjusting antitheft sensitivity; As shown in Figure 4, in the control circuit 6 except that having shift register 60 and programmable integrated circuit 61, also has first comparative degree and the second comparative degree circuit vibration signal with the perception motor bike, wherein the first comparative degree circuit is made up of sensing element (piezoelectric buzzer) 62 and op amp 63, and the second comparative degree circuit is made up of D/A (D/A) change-over circuit 64 and comparator 65; In the first comparative degree circuit, utilize sensing element (piezoelectric buzzer) 62 can sense the vibration signal of motor bike, and first VREF (Voltage Reference) that op amp 63 utilizes variable resistance 66 to set is made pri to vibration signal and is relatively reached amplification, if vibration signal is greater than first VREF (Voltage Reference), then op amp 63 can amplify the vibration signal appropriateness and import the second comparative degree circuit; In the second comparative degree circuit, second VREF (Voltage Reference) that comparator 65 adopted is provided by programmable integrated circuit 61, as Fig. 3, shown in 4, the three branch connecting pins output of programmable integrated circuit 61 cooperates the in-to-in program design, it just has eight kinds of possible outputs (as 000,001,010,011,100,101,110,111), via with the conversion of programmable integrated circuit 61 bonded assembly D/A change-over circuits 64, can provide comparator 65 8 sections reference voltage levels, the variation of eight sections reference voltage levels just can be arranged in the second comparative degree circuit, the motor bike user can appropriateness adjust the output of (how to adjust, be described in the back) programmable integrated circuit 61 to select optimal reference voltage level to the vibration signal work further relatively; In the second comparative degree circuit, if vibration signal is greater than second VREF (Voltage Reference) of comparator 65, then comparator 65 will change outgoing level, make the programmable integrated circuit 61 of control circuit 6 move, then control circuit 6 will make driving circuit 7 drive suitable element action, loudspeaker will constantly produce and ring and the flicker of per three seconds of motorcycle turning lamp once stopped after 10 seconds as previously mentioned, and motor bike can't be started etc.

If mentioning motor bike, the front have vibration signal to produce, vibration signal must be through the comparison of two-stage VREF (Voltage Reference), wherein first VREF (Voltage Reference) was as being to set institute by the resistance value adjustment of variable resistance 66 to provide in the past, and voltage has normally just been set when Car Burglar Alarm is installed and has been finished, general motor bike driver can't change arbitrarily, and just the initial value of motorcycle anti-theft sensitivity is fixing; The setting of second reference voltage level then can be done the adjustment of appropriateness by the user of motorcycle alarm, as previously mentioned, in the present embodiment, second VREF (Voltage Reference) has eight sections variations, and the user utilizes remote controller to have four buttons, can reach the purpose of adjusting second VREF (Voltage Reference) just; In the present embodiment, the method of adjustment of second VREF (Voltage Reference) is that button B is pinned, simultaneously during pressing button A one, two, three, four times, can produce preceding four sections change of voltage respectively, when the user pins button B and simultaneously during pressing button C one, two, three, four times, then can produce back four sections change of voltage respectively; After the user pushes suitable button on the remote controller, remote controller sends signal immediately, and via acceptor circuit 3, amplifying circuit 4 and decoding circuit 5 receive in regular turn, deliver to control circuit 6 after amplification and the decoding, in control circuit 6, signal is imported in the programmable integrated circuit 61 in regular turn by shift register, programmable integrated circuit 61 is after reading signal, signal recognition is gone out for adjusting the signal of VREF (Voltage Reference), cooperate the design of in house software program, just can change the pin output of programmable integrated circuit 61, make that via the conversion of D/A change-over circuit 64 second reference voltage level in the second comparative degree circuit changes.

The invention has the advantages that: by setting and the capable of regulating of second reference voltage, can be so that motorcycle alarm has adjustable antitheft sensitivity, utilize the setting of first reference voltage, can determine the basic sensitivity (being equivalent to the coarse adjustment of sensitivity) of alarm, the setting value of first reference voltage can be lower, further determine again certain sensitivity (being equivalent to the fine tuning of sensitivity) of alarm by the setting of second reference voltage, when motorcycle under anti-theft state, in case when having vibration signal to produce, vibration signal is except must be greater than first reference voltage, also must be greater than second reference voltage level, so, control circuit 6 just can move; So by aforesaid explanation as can be known, as long as user's appropriateness is adjusted second reference voltage just can change motorcycle alarm in proper range antitheft sensitivity (eight sections adjustment are arranged in the present embodiment), so that anti-theft device for motorcycle has more certain anti-theft effect, for example easily produce the area of vibration signal at motorcycle, the user can appropriately adjust second reference voltage level that increases control circuit 6, make when bigger vibration signal produces, alarm just can sense and move; Under normal condition, (particularly be difficult for having the place of vibration signal generation) when using, then the user can turn down second reference voltage level, so that vibration signal needs only a reference value that sets greater than first reference voltage, alarm makes and can also move by sensing, thus, adjust the sensitivity of alarm against user appropriateness, can make alarm in good time, the certain performance anti-theft effect in suitable ground, too sensitivity or under-sensitive use shortcoming and do not have in the past alarm.

In sum, design of the present invention can make alarm in good time, certain its antitheft function of performance in suitable ground, really be improve very much, practical design.

Claims

1, a kind of remote theft-preventing apparatus for motorcycle, it is made up of unit such as encode circuit, transmission circuit, acceptor circuit, amplifying circuit, decoding circuit, control circuit and driving circuits in regular turn; Wherein encode circuit and transmission circuit are formed the remote controller of carrying for the user, after receiving code signal by acceptor circuit, through amplifying circuit, decoding circuit decoded signal is outputed to control circuit, send by control circuit and control signal to driving circuit driving relay and suitable element action; Described control circuit comprises shift register, programmable integrated circuit and the first comparative degree circuit of the motorcycle vibration signal being made comparisons with fixing comparative voltage; It is characterized in that: described programmable integrated circuit has output reference voltage value selective more than a section, and also is provided with the second comparative degree circuit in the control circuit, and it is made up of comparator and D/A switch circuit; By the output reference voltage value of selecting described programmable integrated circuit and via the conversion of D/A switch circuit, do further relatively to reference comparison voltages and motorcycle vibration signal that described comparator output is suitable, and then control Driver Circuit drives relay and suitable element action.