CN2051934U - Multifunctional electronic theft device for cycle - Google Patents

Abstract

The utility model relates to a multifunctional electronic anti-theft device for a cycle, which overcomes the problems that the mechanical anti-theft device of the prior art is easy to be pried, and the owner is unable to know that the cycle is being pried or stolen. The utility model provides an alarm device which converts vibration into electrical signals according to the mechanism that vibration is generated when the cycle is moved. The utility model is characterized in that an anti-theft alarm part A, a chain type cycle lock C, and the connecting part of the cycle are integrated as a whole, and the operating status can be chosen according to the parking place of the cycle and need. The multifunctional electronic anti-theft device for a cycle has the advantages of alarming and preventing disassembly, and also has the functions of a cycle lock and a cycle bell to replace the traditional cycle locks and cycle bells. The anti-theft function is guaranteed when the cycle is parked, and the safety is guaranteed when the rider rides the cycle by using the multifunctional electronic anti-theft device for a cycle.

Description

Multifunctional electronic theft device for cycle

The utility model belongs to a kind of theft-proof device for bicycle, particularly a kind of bicycle multifunctional electronic anti-theft device.

The anti-joyride device of existing bicycle generally adopts the anti-joyride device of machinery, particularly improves to reach the effect of pick-proof and anti-theft on bicycle lock.The anti-joyride device one of this machinery is prized easily, the 2nd, bicycle prized or stolen process in the owner of bicycle can't learn.In addition, the bicycle bell of bicycle is also often lost because of being easy to dismounting, loses its effect.

The purpose of this utility model is to overcome the weak point of existing theft-proof device for bicycle, can vibrative mechanism design a kind of warning device that vibration is changed into electric signal when being moved according to bicycle, driving is chosen different mode of operations with different places of parking and different needs according to bicycle, promptly can tamper can report to the police again, can also play simultaneously the effect of bicycle bell and lock, to replace traditional bicycle bell and lock, antitheft when the guarantor is just parking, safety during driving.

The utility model constitutes by the anti-theft alarm part A with connecting bridge B and three parts of chain type lock C of bicycle, by with bicycle connecting bridge B with the utility model and bicycle handle bar and bicycle before wooden fork be connected as a single entity, by chain type lock portion C front vehicle wheel is pinned, rotate with limiting wheel, play effect antitheft and that report to the police by the anti-theft alarm part A.

The utility model is elaborated and embodiment is provided below in conjunction with accompanying drawing:

Accompanying drawing 1 is a scheme of installation of the present utility model; Accompanying drawing 2 is schematic block circuit diagram of the present utility model; Accompanying drawing 3 is front views of the utility model anti-theft alarm part A; Accompanying drawing 4 is left views of the utility model anti-theft alarm part A; Accompanying drawing 5 is the anti-scheme drawings of breaking structure of the utility model loudspeaker; Accompanying drawing 6 is scheme drawings of the utility model and bicycle connecting bridge structure; Accompanying drawing 7 is constructionals drawing of vibration sensor; Accompanying drawing 8 is constructionals drawing of attitude sensor.

As shown in drawings, the utility model has one with metallic material die casting or with the case type shell 1 of the protective action that plays whole device of plastic pouring, a back shroud 19 that the device internal part is played protective action is arranged in the back of case type shell 1, said case type shell 1 and back shroud 19 constitute a totally-enclosed space together, and its inside is divided into three little spaces again.Vibration sensor 12 of a wiring board 10 being installed in central space and being constituted by oscillator 6 and piezoelectric ceramic piece 7 and the attitude sensor 13 that constitutes by mercury 8 and electrode 29, in central space, also has a battery case 11 that is used for installing as the battery of whole device power supply, on said wiring board 10, amplifying circuit 22 is housed, integer circuit 23, integrating circuit 24, observation circuit 25, latch cicuit 26, mode of operation change-over circuit 27, differential circuit 28,, acoustics circuit 30; Said vibration sensor 12 is connected with amplifying circuit 22 on the wiring board 10 by lead; Said attitude sensor 13 is connected with differential circuit 28 on the wiring board 10 by lead; The said battery case 11 that battery is housed is connected with wiring board 10 by lead.The loudspeaker 16 and the sound baffle 15 that produce warning or bicycle bell sound are installed in right space.In the front of case type shell 1, be separately installed with the mode selection switch 2 that is used to select mode of operation that is connected with mode of operation change-over circuit 27 on the wiring board 10, the bicycle bell push switch 18 that is used to start the emergency switch 17 of emergency rating work and is used to start bicycle bell work; At case type shell 1 front downside the tapered end of casting with aluminium 3 is installed also, the left end of tapered end 3 has the key hole 4 of opening tapered end 3 usefulness, have in the lower end of tapered end 3 one with metallic material make can be locked and the chain 5 opened, the other end of chain 5 is fixed on the chain Connection Card of bottom, case type shell 1 back.Above-mentioned said mode selection switch 2 can be selected shutdown, bicycle bell work, audible alarm, emergency and several states of self check as required.Said mode selection switch 2 is hidden by tapered end when tapered end is locked, and operates to prevent other people.Below the upper end of case type shell 1 and left side, also have mounting hole 9 and 21, inwall is connected with screw and is used for and the fixing fastening card 31 of bicycle handle bar and preceding wooden fork upper end in mounting hole 9, between fastening card 31 and shell 1, be with the anti-protective ring 32 of removing usefulness, have several sound transmission aperture 14 in the lower right side of said case type shell 1, the sound wave that is sent by loudspeaker 16 passes through sound transmission aperture 14 biographies to extraneous space by the effect of sound baffle 15.As shown in Figure 4, said sound baffle 15 is a V-type plate made from metallic material, this V-type plate is installed in case type shell 1 inwall sound transmission hole top, and its inwall can play the sound reflection effect, and outer wall then can play and prevent that cone loudspeaker 16 from being disclosed bad effect.In addition, in order to prevent to destroy this device, on back shroud 19, connected a support with screw with the mode of removing bonnet, a micro-switch 20 has been installed on this support, under alarm condition, in case open back shroud 19, micro-switch 20 is also reported to the police immediately with regard to action.Principle of work of the present utility model is as shown in Figure 2: when this device is in alarm condition, the vibration that produces when vibration sensor 12 is moved bicycle is transformed into electric signal and delivers to and put earthworm plaited straw 2 input ends, amplifier is amplified to suitable amplitude with vibration signal, 23 output signals with amplifier of integer circuit are organized into required regular signal, integration is carried out in the output of 24 pairs of integer circuit of integrating circuit, and the voltage at electric capacity two ends is increased gradually with the prolongation of time of vibration; Observation circuit 25 monitors the amplitude of electric capacity both end voltage in the integrating circuit, after this amplitude reaches specified value, promptly export an energizing signal to latch cicuit 26, latch cicuit 26 is write down this signal and is worked by mode of operation change-over circuit 27 deactivation acoustics circuits 30, if this device is in the audible alarm state, then have only acoustics circuit 30 work; If when being in the bicycle bell state, as long as press bicycle bell push switch 18, just work of circuit 16, but its frequency is different with alarm sound.When bicycle falls down to the ground, can produce strong vibration, attitude sensor 13 will be by the elimination pulse of differential circuit 28 output certain widths, shaping circuit 23 stops the integrating circuit charging in eliminating pulse width range, promptly reopens shaping circuit 23 after this pulse in the past and makes observation circuit continue to monitor the vibration situation of bicycle.Be used for the daily attention inspection at the self-checking circuit 33 shown in the accompanying drawing 2.When using the utility model, be fixed on the bicycle with fastening card 31, when normal driving, mode selection switch is placed the bicycle bell mode of operation, just can replace traditional bicycle bell, when bicycle parking, it is locked in tapered end 3 chain can be passed front vehicle wheel, just can rotate by limiting wheel, replace the lock effect.If bicycle parking (if any place of special messenger guard) when the safe place can place off-mode with this device, not electric consumption, also alarm free ability under this state; If bicycle parking can place this device the audible alarm state when general place, when bicycle is stolen, just can send audible alarm, when needs check that this device is whether working properly, can make this device be in the self check state.

The utility model has the advantage of, integrate lock, bicycle bell and burglar alarm, can select easily as required different duties. In addition, because the utility model judges whether to report to the police by vibration, therefore, when the part at other any position of tearing any parts of the utility model or bicycle open, the body oscillating that produces also can cause the utility model to be reported to the police, thereby the audible alarm when moving bicycle or dismounting attachments of a bicycle bicycle parking can be guaranteed the time, thereby play the alarming anti-theft effect.

The utility model can also be used on the general cyclecar such as motorcycle, can play equally the effect of burglar alarm.

Claims (3)

1, a kind of bicycle fender guard, be particularly related to a kind of bicycle multifunctional electronic anti-theft device, constitute by the anti-theft alarm part A with bicycle connecting bridge B and three parts of chain type lock C, it is characterized in that, said anti-theft alarm part A has one with metallic material or with the case type shell 1 of the protective action that plays whole device of plastic pouring, a back shroud 19 that the device internal part is played protective action is arranged in the back of case type shell 1, middle part in the fully enclosed space that case type shell 1 and back shroud 19 constitute is equipped with vibration sensor 12 and attitude sensor 13, and the right part in the fully enclosed space that case type shell 1 and back shroud 19 constitute is equipped with to produce and reports to the police or the loudspeaker 16 and the sound baffle 15 of bicycle bell sound; Below the upper end of case type shell 1 and left side, also have mounting hole 9 and 21, inwall is connected with screw and is used for and the fixing fastening card 31 of bicycle handle bar and preceding wooden fork upper end in mounting hole 9, between fastening card 31 and shell 1, be with anti-protective ring 32 of disassembling and using, on said back shroud 19, connected a support, a micro-switch 20 has been installed on this support with screw.

2, require 1 said bicycle multifunctional electronic anti-theft device according to patent, it is characterized in that, at case type shell 1 downside, tapered end 3 also is installed above the mode selection switch 2, the left end of tapered end 3 has key hole 4, have in the lower end of tapered end 3 one with metallic material make can be locked or the chain 5 opened, the other end of chain 5 is fixed on the chain Connection Card of bottom, case type shell 1 back.

3, according to the said bicycle multifunctional electronic anti-theft device of claim 1, it is characterized in that the V-type plate of said sound baffle 15 for making with metallic material.

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