CN203111354U - Vibration type motorcycle antitheft alarm - Google Patents
Vibration type motorcycle antitheft alarm Download PDFInfo
- Publication number
- CN203111354U CN203111354U CN 201220709422 CN201220709422U CN203111354U CN 203111354 U CN203111354 U CN 203111354U CN 201220709422 CN201220709422 CN 201220709422 CN 201220709422 U CN201220709422 U CN 201220709422U CN 203111354 U CN203111354 U CN 203111354U
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- aerotron
- triode
- resistor
- vibration sensor
- resistance
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Abstract
The utility model discloses an antitheft alarm, and particularly relates to a vibration type motorcycle antitheft alarm, which comprises a power source, a triggering circuit and an alarming circuit, wherein the triggering circuit comprises a vibration sensor, a one-way thyristor and a resistor I, the resistor I is connected with the vibration sensor, the alarming circuit comprises a voice chip, an amplifying circuit and a loudspeaker, the amplifying circuit comprises a triode I, a triode II and a resistor II, the resistor II is connected with a base electrode of the triode I, the vibration sensor is conencted with a gate electrode of the one-way thyristor, the resistor I and an anode electrode of the one-way thyristor are respectively connected with a positive electrode of the power source, a cathode electrode of the one-way thyristor is connected with the power source input end of the voice chip, the signal output end of the chip is connected with the resistor II, an emitter electrode of the diode I is connected with a base electrode of the triode II, and collector electrodes of the triode I and the triode II are simultaneously connected with the loudspeaker. The antitheft alarm has the advantages that the sensitivity is high, the reliability is high, the convenience in use is realized, and the technical problems of inconvenience in use and high false alarming rate of the existing antitheft alarm are solved.
Description
Technical field
The utility model relates to a kind of burglar alarm, is specifically related to a kind of oscillatory type motorcycle anti-theft alarm.
Background technology
At present, the motorcycle anti-theft warning device of selling on the market mainly is anti-theft alarm lock, this anti-theft alarm lock is integrated with annunciator and lock, starts the alarming horn warning of locking as long as the internal vibration sensor senses to body vibrations, will trigger immediately, this anti-theft alarm lock is easy to use, low price, wrong report must be less than releasing during the still frequency height of generation wrong report, and discovery, simultaneously can't the people under locking state for withdrawing, it is quite inconvenient to use.
The utility model content
The utility model purpose is to provide a kind of oscillatory type motorcycle anti-theft alarm, and is highly sensitive, reliability is high and easy to use.
The utility model is achieved through the following technical solutions:
A kind of oscillatory type motorcycle anti-theft alarm comprises power supply, triggers circuit and alarm circuit; Described triggering circuit involving vibrations sensor, unidirectional thyristor and the resistance one that is connected with vibration sensor, described alarm circuit comprises speech chip, amplifying circuit and loud speaker, and described amplifying circuit comprises aerotron one, aerotron two and the resistance two that is connected with the base stage of aerotron one; Described vibration sensor is connected with the gate pole of unidirectional thyristor, the anode of described resistance one, unidirectional thyristor is connected with positive source respectively, the negative electrode of unidirectional thyristor is connected with the power input of described speech chip, the signal output part of this chip is connected with resistance two, the emitter of described aerotron one is connected with the base stage of aerotron two, the collecting electrode of aerotron one, aerotron two together is connected with loud speaker, loud speaker also is connected with described positive source, and the emitter of aerotron two all is connected with power cathode by master cock with the ground terminal of speech chip.
Principle of work of the present utility model:
In the driving process, master cock is in off-state; After the parking, closed master cock, circuit is on the alert, and unidirectional thyristor is in off condition.In case there is the people to want to steal motor bike, no matter be to push away away or with the foot-operated pawl that starts, vibration sensor is shaken, connect trigger circuit, make the unidirectional thyristor triggering and conducting; Speech chip gets electric work simultaneously, output audio signal, and this signal is sent to compound transistor one, aerotron two amplifying circuits through resistance two, drives loud speaker and sends chimes of doom.
The beneficial effects of the utility model:
This uses novel line construction simple, and vibration sensor and thyristor are formed triggering circuit, trigger sensitivity height; Alarm circuit adopts speech chip, and required peripheral cell is few, and aerotron one, aerotron two are formed composite amplifier simultaneously, amplify the sound signal of output speech chip.
Description of drawings
Fig. 1 is the electrical block diagram of the utility model embodiment.
The specific embodiment
Shown in 1, a kind of oscillatory type motorcycle anti-theft alarm comprises power supply, triggers circuit and alarm circuit by reference to the accompanying drawings; Described triggering circuit involving vibrations sensor S2, unidirectional thyristor VS and resistance one R1 that is connected with vibration sensor S2, described alarm circuit comprises speech chip IC, amplifying circuit and loud speaker B, and described amplifying circuit comprises aerotron one VT1, aerotron two VT2 and resistance two R2 that are connected with the base stage of aerotron one VT1; Described vibration sensor S2 is connected with the gate pole of unidirectional thyristor VS, described resistance one R1, the anode of unidirectional thyristor VS is connected with positive source respectively, the negative electrode of unidirectional thyristor VS is connected with the power input of described speech chip IC, the signal output part of this speech chip IC is connected with resistance two R2, the emitter of described aerotron one VT1 is connected with the base stage of aerotron two VT2, aerotron one VT1, the collecting electrode of aerotron two VT2 together is connected with loud speaker B, loud speaker B also is connected with described positive source, and the emitter of aerotron two VT2 all is connected with power cathode by master cock S1 with the ground terminal of speech chip IC.
Components and parts are selected: adopt the power supply of 4.5V power supply, vibration sensor S2 adopts 968 types, speech chip IC to adopt KD-9561 simulation four tones of standard Chinese pronunciation sheet; Unidirectional thyristor VS adopts the MCR100-6 type; Aerotron VT1, VT2 form composite amplifier, adopt 9011,9013 respectively; Loud speaker B adopts 0.25W, 8 Ω; Resistance R 1, R2 adopt 300 Ω, 1k Ω respectively; Master cock S1 adopts small-sized toggle switch, is installed in the concealed location of motor bike.
Above-described only is preferred implementation of the present utility model, should be pointed out that for a person skilled in the art, under the prerequisite that does not break away from the utility model structure, can also make some distortion and improvement.These also should be considered as protection domain of the present utility model, and these can not influence effect and practical applicability that the utility model is implemented.
Claims (1)
1. an oscillatory type motorcycle anti-theft alarm comprises power supply, triggers circuit and alarm circuit; Described triggering circuit involving vibrations sensor, unidirectional thyristor and the resistance one that is connected with vibration sensor, described alarm circuit comprises speech chip, amplifying circuit and loud speaker, and described amplifying circuit comprises aerotron one, aerotron two and the resistance two that is connected with the base stage of aerotron one; It is characterized in that: described vibration sensor is connected with the gate pole of unidirectional thyristor, described resistance one, the anode of unidirectional thyristor is connected with positive source respectively, the negative electrode of unidirectional thyristor is connected with the power input of described speech chip, the signal output part of this chip is connected with resistance two, the emitter of described aerotron one is connected with the base stage of aerotron two, aerotron one, the collecting electrode of aerotron two together is connected with loud speaker, loud speaker also is connected with described positive source, and the emitter of aerotron two all is connected with power cathode by master cock with the ground terminal of speech chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220709422 CN203111354U (en) | 2012-12-20 | 2012-12-20 | Vibration type motorcycle antitheft alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220709422 CN203111354U (en) | 2012-12-20 | 2012-12-20 | Vibration type motorcycle antitheft alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203111354U true CN203111354U (en) | 2013-08-07 |
Family
ID=48891724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220709422 Expired - Fee Related CN203111354U (en) | 2012-12-20 | 2012-12-20 | Vibration type motorcycle antitheft alarm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203111354U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107895445A (en) * | 2017-11-22 | 2018-04-10 | 奕铭（大连）科技发展有限公司 | Article anti-theft alarm |
| CN113012378A (en) * | 2021-02-22 | 2021-06-22 | 广东电网有限责任公司 | Anti-electricity-stealing device |
-
2012
- 2012-12-20 CN CN 201220709422 patent/CN203111354U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107895445A (en) * | 2017-11-22 | 2018-04-10 | 奕铭（大连）科技发展有限公司 | Article anti-theft alarm |
| CN113012378A (en) * | 2021-02-22 | 2021-06-22 | 广东电网有限责任公司 | Anti-electricity-stealing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130807 Termination date: 20131220 |