CN2178206Y - Theft-proof alarm for motorcycle or bicycle - Google Patents

Abstract

The alarm of the utility model is provided with an audible and visual alarm which is equipped with a cycle lock tongue hole whose shape is like a parking listing. A power supply control switch K 1 which is composed of a permanent magnet arranged on the upper part of the cycle lock hole and a dry-reed tube arranged on the lower part of the dry-reed tube is jointed in series on the negative terminals of the power source of the audible and visual alarm. The circuit part of the audible and visual alarm is composed of a vibration sampling circuit, an audio signal amplifying circuit, a shaping circuit, a triggering delay circuit, a monostable delay circuit, a piezo-electricity buzzing acoustic frequency alarm circuit and a blink caution circuit, etc. After the bike is locked, the alarm is in monitor state, thereafter, if the bike is moved, the alarm can alarm immediately.

Description

Theft-proof alarm for motorcycle or bicycle

The utility model relates to a kind of vehicle anti-theft warning device, particularly a kind of antitheft alarm system that is suitable for motor bike and bicycle installation.

General motor bike or bicycle are all realized antitheft effect by closing lock, and existing anti-joyride device often structure is too simple, function is also less, as long as just the burglar split or prize and decrease lock and can steal car.In recent years along with development of electronic technology, how the someone develops the vibration impacting type annunciator that is used for motor bike and bicycle theft-prevention, this class annunciator generally all is made up of transmitter and receiver or is made of emitter separately, at ordinary times emitter is contained on the car body, after the car stealer touches vehicle, vibroswitch work, emitter sends alerting signal or directly sends audible alarm to receiver, because this class device must be changed the structure of car lock body when mounted, make the car owner feel extremely inconvenient.The utility model designer once proposed a kind of antitheft alarm system that is suitable for motor bike and bicycle installation in the CN91208489.8 patent text, this device has the emitter that an outer shape that has the car dead bolt hole on it is listed like bicycle parking, on the power supply of emitter, be serially connected with a vibroswitch of forming by dry-reed tube and permanent magnet, in the use, after the car dead bolt hole is penetrated by dead bolt, annunciator is in monitor state, and after this if vehicle is moved by the people, then annunciator is reported to the police at once.This device is found in concrete enforcement is used and has following deficiency: 1. circuit is wireless sending and receiving high pitch audio alarm circuit in the original design, and cost is higher; 2. when as separately using high pitch audio alarm structure, working current is bigger, and battery altering is frequent; 3. the permanent magnet of power control switch and dry-reed tube are to be horizontally disposed with (promptly dividing the both sides that are located at dead bolt hole) in this device, if the burglar places another piece magnet on one side that magnet is arranged, then destroyed the magnetic field magnetic between magnet and dry-reed tube equally, caused and make the power control switch misoperation and car thief's plot is succeeded.

The purpose of this utility model is to overcome existing in prior technology defective in this area, provide a kind of rational in infrastructure, cost is low, the motor bike of dependable performance, bicycle anti-theft alarm device.

For achieving the above object, the utility model emphasis is made improvement to the technical solution of CN91208489.8 patent text, it improves main points: the motor bike that is provided, bicycle anti-theft alarm device have the combined aural and visual alarm that an outer shape that has the car dead bolt hole on it is listed like bicycle parking, are serially connected with a power control switch K at the power supply negative terminal of combined aural and visual alarm ₁, said master cock K ₁Constitute with a dry-reed tube that is located at car dead bolt hole below by a permanent magnet that is located at car dead bolt hole top; And the circuit part of combined aural and visual alarm is made of shake signal amplification circuit, shaping circuit, triggering time delay circuit, single stabilization delay circuit, piezoelectric buzzing audio alarm circuit and flash of light warning circuit etc. of vibration sample circuit, sound.During use, when the car dead bolt hole was not passed by the lock dead bolt as yet, the magnetic field that permanent magnet sends disconnected the normally closed contact in the dry-reed tube, and sound and light alarm circuit is not worked; And after the car owner was with motor bike or bicycle locking, the lock dead bolt was placed between permanent magnet and the dry-reed tube, has weakened the magnetic of permanent magnet, makes the contact conducting in the dry-reed tube, and then source switch is connected automatically, so combined aural and visual alarm is in monitor state; In case after this vehicle is bumped by bump, combined aural and visual alarm promptly sends audible alarm after postponing after a while.

Warning device after the above-mentioned improvement of process is last the next vertical setting by permanent magnet thereon with dry-reed tube, like this behind the lock car, because of the upper end permanent magnet is blocked by rim, and this rim has the magnetic field of outside (especially from top) magnet and weakens and block effect, institute so that the car stealer can't disturb annunciator with another magnet.Circuit after improving adopts cmos circuit, and the audio alarm mode adopts the piezoelectric type buzzing intermittently to report to the police, and so just makes the cost reduction of circuit structure, and working current value reduces greatly, has prolonged the battery operating cycles.

Below with reference to accompanying drawing the utility model is described further.

Fig. 1 is main components and parts and source switch K in the utility model ₁Structure scheme drawing is set.

Fig. 2 is the inner side view of outer casing upper cover of the present utility model.

Fig. 3 is schematic circuit diagram of the present utility model.

As Fig. 1 and shown in, the surface structure shape of this motor bike, bicycle anti-theft alarm device is listed like a bicycle parking, permanent magnet 1 and dry-reed tube were located at the two ends up and down in lock tongue hole 2 in 4 minutes, said dry-reed tube 4 is one two a contact normally closed dry-reed tube, audible alarm circuit plate 5 is inserted in one contact, another contact through one be located between car dead bolt hole 2 and the dry-reed tube 4 lead iron 3 after be connected to power cathode.Numbering 6 is batteries among Fig. 1; 7 is shell; 8 luminotrons; 9 is red transparent plastic material; 14 is function expansion switch K ₂

The circuit part of combined aural and visual alarm adopts cmos circuit in the utility model, and vibration sample circuit (51) wherein comprises a piezoelectric ceramic piece HTD ₁, sound shakes signal amplification circuit (52) by resistance R ₁With a joint denial gate F ₁Constitute, shaping circuit (53) has a joint denial gate F ₂, trigger time delay circuit (54) by aerotron BG ₁, capacitor C ₂And resistance R ₂～R ₄Constitute, single stabilization delay circuit (55) is by joint denial gate F ₃, F ₄, capacitor C ₃, C ₄And resistance R ₅～R ₇Constitute, piezoelectric buzzing audio alarm circuit (56) is by piezoelectric ceramic piece HTD ₂, aerotron BG ₃, sensor transformer B, capacitor C ₅And resistance R ₉～R ₁₁Constitute, flash of light is warned circuit (57) by light-emitting diode D ₁With shunt resistance R ₈Constitute.In the specific embodiment that Fig. 3 provides, four joint denial gate F ₁～F ₄An available model is that the 42 input joint denial gate devices of CD4001 replace.During use, after the car owner was with the car locking, combined aural and visual alarm was in monitor state, in case after this car body is clashed into when vibrating, and piezoceramic HTD ₁With vibration signal through capacitor C ₁Be input to the sound signal amplification circuit 52 that shakes and amplify, the sound after the amplification shakes signal again through joint denial gate F ₂Output low level after the shaping is again through resistance R ₂Make aerotron BG ₁Conducting, BG ₁The high level of output is through resistance R ₃To capacitor C ₂Charging, after the several seconds, C ₂(the relative F that finishes charges ₃), F ₃Upset, output low level is by F ₃And F ₄Deng single stabilization delay circuit 55 work of forming, its work-hours is by R ₅And C ₃Numerical value and deciding.In monostable time delay, F ₄The output high level is through resistance R ₇Make aerotron BG ₂Conducting, circuit 56,57 is worked thereupon, and this annunciator sends sound and light alarm.D in the circuit 57 ₁Be High brightness Red LED.K in the circuit ₁For the power control switch of motor bike or bicycle theft-prevention monitor state, work as K ₁During connection, this burglar alarm is in monitor state.

In order to expand range of use of the present utility model, in alarm circuit, set up one and singly thrown three toggle switch K ₂(as shown in Figure 3).Work as K ₂When being in a point, circuit 56,57 and power cathode are connected, this moment, the utility model can be done emergent combined aural and visual alarm use, to send help signal; Work as K ₂When being in the b point, with power control switch K ₁Short circuit, this moment, the utility model was used as the vibrating sensing type combined aural and visual alarm use of family, office or other occasion; Work as K ₂When being in the c point, K ₂Inoperative.

Piezoelectric ceramic piece HTD ₁Be used for the vibrating sensing sampling of this annunciator, it directly sticks on the bottom (see and number 12 among Fig. 2) of annunciator case top lid 13 inboards.Piezoelectric ceramic piece HTD ₂Be the interrupted sounding component of reporting to the police of this annunciator piezoelectric buzzing, it is adhesive in the sound-aid cavity 10 interior (see and number 11 among Fig. 2) of annunciator case top lid 13 inboards.

The utility model also can be used for the anti-theft alarm of other moveable type object except the anti-thefting monitoring of above-mentioned occasion is reported to the police.

Claims (4)

1, a kind of motor bike, bicycle anti-theft alarm device have the combined aural and visual alarm that an outer shape that has car dead bolt hole (2) on it is listed like bicycle parking, are serially connected with a master cock K at the power supply negative terminal of combined aural and visual alarm ₁, it is characterized in that:

1.1 said master cock K ₁By a permanent magnet (1) that is located at car dead bolt hole (2) top be located at a dry-reed tube (4) formation of car dead bolt hole (2) below;

Parts such as signal amplification circuit (52), shaping circuit (53), triggering time delay circuit (54), single stabilization delay circuit (55), piezoelectric buzzing audio alarm circuit (56) and flash of light warning circuit (57) constitute 1.2 combined aural and visual alarm is shaken by vibration sample circuit (51), sound.

2, motor bike as claimed in claim 1, bicycle anti-theft alarm device is characterized in that said dry-reed tube (4) is two contact normally closed dry-reed tubes.

3, motor bike as claimed in claim 1, bicycle anti-theft alarm device is characterized in that vibrating in the combined aural and visual alarm sample circuit (51) and comprise a piezoelectric ceramic piece HTD ₁, sound shakes signal amplification circuit (52) by resistance R ₁With a joint denial gate F ₁Constitute, shaping circuit (53) has a joint denial gate F ₂, trigger time delay circuit (54) by aerotron BG ₁, capacitor C ₂And resistance R ₂～R ₄Constitute, single stabilization delay circuit (55) is by joint denial gate F ₃, F ₄, capacitor C ₃, C ₄And resistance R ₅～R ₇Constitute, piezoelectric buzzing audio alarm circuit (56) is by piezoelectric ceramic piece HTD ₂, aerotron BG ₃, sensor transformer B, capacitor C ₅And resistance R ₉～R ₁₁Constitute, flash of light is warned circuit (57) by light-emitting diode D ₁With shunt resistance R ₈Constitute.

4,, it is characterized in that having one and singly throw three toggle switch K as claim 1,3 described motor bikes, bicycle anti-theft alarm device ₂, work as K ₂When being in a point, circuit 56,57 and power cathode are connected; Work as K ₂Be in the b point, with power control switch K ₁Short circuit; Work as K ₂When being in the c point, K ₂Inoperative.

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