CN203349925U - Glass vibration detection device - Google Patents
Glass vibration detection device Download PDFInfo
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- CN203349925U CN203349925U CN 201320417347 CN201320417347U CN203349925U CN 203349925 U CN203349925 U CN 203349925U CN 201320417347 CN201320417347 CN 201320417347 CN 201320417347 U CN201320417347 U CN 201320417347U CN 203349925 U CN203349925 U CN 203349925U
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Abstract
The utility model provides a glass vibration detection device. A piezoelectric ceramic buzzer can be used as a sensor, and a piezoelectric buzzer can be used to acquire a micro-vibration signal. The acquired signal can be amplified by a first operational amplifier IC1, and can be rectified by a first diode D1. A fifth resistor R5 and a sixth resistor R6 can be used for charging a second capacitor C2, and the charging speed is related to an adjustable resistance value RW 1. A slight moving or collision vibration can be detected, and the clear frequency characteristic peak can be provided in a frequency range from 1500 to 3000Hz. Because of the above mentioned characteristics, under the strong noise background, the glass vibration detection device can be used to detect the pulse signals with high accuracy, and the relay can be directly driven. The glass vibration detection device can be used for various vehicles, alarming devices, and detection of doors and windows.
Description
Technical field
The utility model relates generally to a kind of glass vibration pick-up unit.
Background technology
At present, the method for vibration detection adopts the pick-up units such as pendulum, mercury cut-off, Metal Ball usually, and these errors are large, inaccurate.
Summary of the invention
The utility model purpose: the utility model provides a kind of.
Technical scheme: the utility model is achieved through the following technical solutions:
A kind of glass vibration pick-up unit, it is characterized in that: this device is by the 12V Power supply, piezoelectric ceramics buzzing sheet connects the first operational amplifier by the first resistance, the first operational amplifier connects the first diode, the first diode is connected with the 5th resistance and the 6th resistance by adjustable resistance, the 6th resistance is connected to the emitter of the first transistor, and the collector of the first transistor is connected to relay, and relay is connected to power supply; Integrated stable voltage circuit is connected with power supply on the one hand, is connected on the other hand the first operational amplifier; The second electric capacity one is connected to the emitter that is connected on the other hand the first transistor between the 5th resistance and the 6th resistance, the first trigger is connected with the second trigger, the first trigger is connected between the 5th resistance and the 6th resistance, and the second trigger is connected to the base stage of the first transistor by the 8th resistance.
Be connected with the 3rd electric capacity between the first trigger and the second trigger; Integrated stable voltage circuit connects between the 3rd electric capacity and the second trigger by the 7th resistance.
Also include the second resistance and the 3rd resistance in this device, the second resistance and the series connection of the 3rd resistance, the second resistance is connected to integrated stable voltage circuit, and the 3rd resistance is connected to the emitter of the first transistor; The first operational amplifier is connected between the second resistance and the 3rd resistance.
Advantageous effect: the invention provides a kind of glass vibration pick-up unit, utilize piezoelectric ceramics buzzing sheet as sensor, utilize piezoelectricity singing piece to pick up micro-vibration signal, can detect slight movement or clash into vibration, there is frequency characteristic peak value clearly in the 1500-3000Hz frequency range, due to this specific character, can be under very strong noise background, with the pulse signal of accuracy detection preferably, and can directly drive relay.Can be used for various motor vehicles, the detection of door and window and warning device.
Advantage of the present invention is:
1. utilize piezoelectric ceramics buzzing sheet as sensor, solved faint vibration signal and picked up problem.
2. improved the sensitivity that detects slight movement or clash into vibration signal.
3. there is frequency characteristic clearly in the 1500-3000Hz frequency range.
4. utilize piezoelectric ceramics buzzing sheet as sensor, the use cost decrease.
The accompanying drawing explanation:
Fig. 1 is glass vibration pick-up unit circuit diagram of the present utility model.
Embodiment: the utility model is described further below in conjunction with accompanying drawing:
The utility model provides a kind of glass vibration pick-up unit, this device is by the 12V Power supply, piezoelectric ceramics buzzing sheet BMI connects the first operational amplifier IC1 by the first resistance R 1, the first operational amplifier IC1 connects the first diode D1, the first diode D1 connects with the 5th resistance R 5 and the 6th resistance R 6 by adjustable resistance RW1, the 6th resistance R 6 is connected to the emitter of the first transistor BG1, and the collector of the first transistor BG1 is connected to relay K 1, and relay K 1 is connected to power supply; Integrated stable voltage circuit IC3 is connected with power supply on the one hand, is connected on the other hand the first operational amplifier IC1; The second capacitor C 2 one is connected to the emitter that is connected on the other hand the first transistor BG1 between the 5th resistance R 5 and the 6th resistance R 6, the first trigger IC2.1 is connected with the second trigger IC2.2, the first trigger IC2.1 is connected between the 5th resistance R 5 and the 6th resistance R 6, and the second trigger IC2.2 is connected to the base stage of the first transistor BG1 by the 8th resistance R 8.
Be connected with the 3rd capacitor C 3 between the first trigger IC2.1 and the second trigger IC2.2; Integrated stable voltage circuit IC3 connects between the 3rd capacitor C 3 and the second trigger IC2.2 by the 7th resistance R 7.
Also include the second resistance R 2 and the 3rd resistance R 3, the second resistance R 2 and the 3rd resistance R 3 series connection in this device, the second resistance R 2 is connected to integrated stable voltage circuit IC3, and the 3rd resistance R 3 is connected to the emitter of the first transistor BG1; The first operational amplifier IC1 is connected between the second resistance R 2 and the 3rd resistance R 3.
IC1 is operational amplifier, and the first diode D1 is commutation diode, R5, and R6 is charged to C2, IC2.1, IC2.2 is trigger, and BG1 is transistor, and K1 is relay, RW1 is threshold values sensitivity potentiometer, and IC3 is 7805 for the 5V integrated regulator, and BM1 is piezoelectric ceramics buzzing sheet.
The power supply of glass vibration pick-up unit of the present utility model is 12V, through 7805 integrated stable voltage circuit IC3 voltage stabilizing output 5V voltages.Utilize piezoelectric ceramics buzzing sheet as sensor, by piezoelectricity singing piece, pick up micro-vibration signal, can detect slight movement or clash into vibration.The signal picked up, through the first operational amplifier IC1 operation amplifier, by the first diode D1 rectification, is charged through the 5th resistance R 5,6 pairs of the second capacitor C 2 of the 6th resistance R, and the speed of charging is relevant with the adjustable electric resistance of RW1.Trigger IC2.1 and IC2.2 conducting under the effect of vibratory impulse signal, the first transistor BG1 conducting, engage relay K1.Power supply is 12V, through the 5V voltage of 7805 integrated stable voltage circuit IC3 stable outputs, is operational amplifier IC1 and trigger IC2.1 and IC2.2 power supply.The 12V power supply is relay K 1 power supply.
The utility model as sensor, picks up micro-vibration signal by piezoelectricity singing piece with piezoelectric ceramics buzzing sheet, can detect the slight vibration signal.Can detect slight movement or clash into vibration, there is frequency characteristic peak value clearly in the 1500-3000Hz frequency range.
The signal that the utility model picks up amplifies through the first operational amplifier IC1, by the first diode D1 rectification, through the 5th resistance R 5,6 pairs of the second capacitor C 2 of the 6th resistance R, charged, the speed of charging is relevant with RW1 adjustable electric resistance, due to this specific character, can, under very strong noise background, detect exactly vibratory impulse.Under the effect of vibratory impulse signal, when the voltage on capacitor C2 reaches the conducting threshold values of trigger IC2, transistor BG1 conducting, postpone 1-2 engage relay second K1.Its contacting mobile communication is reported to the police.
Claims (3)
1. a glass vibration pick-up unit, it is characterized in that: this device is by the 12V Power supply, piezoelectric ceramics buzzing sheet (BMI) connects the first operational amplifier (IC1) by the first resistance (R1), the first operational amplifier (IC1) connects the first diode (D1), the first diode (D1) is connected with the 5th resistance (R5) and the 6th resistance (R6) by adjustable resistance (RW1), the 6th resistance (R6) is connected to the emitter of the first transistor (BG1), the collector of the first transistor (BG1) is connected to relay (K1), relay (K1) is connected to power supply, integrated stable voltage circuit (IC3) is connected with power supply on the one hand, is connected on the other hand the first operational amplifier (IC1), the second electric capacity (C2) one is connected to the emitter that is connected on the other hand the first transistor (BG1) between the 5th resistance (R5) and the 6th resistance (R6), the first trigger (IC2.1) is connected with the second trigger (IC2.2), the first trigger (IC2.1) is connected between the 5th resistance (R5) and the 6th resistance (R6), and the second trigger (IC2.2) is connected to the base stage of the first transistor (BG1) by the 8th resistance (R8).
2. glass vibration pick-up unit according to claim 1, is characterized in that: be connected with the 3rd electric capacity (C3) between the first trigger (IC2.1) and the second trigger (IC2.2); Integrated stable voltage circuit (IC3) connects between the 3rd electric capacity (C3) and the second trigger (IC2.2) by the 7th resistance (R7).
3. glass vibration pick-up unit according to claim 2, it is characterized in that: also include the second resistance (R2) and the 3rd resistance (R3) in this device, the second resistance (R2) and the series connection of the 3rd resistance (R3), the second resistance (R2) is connected to integrated stable voltage circuit (IC3), and the 3rd resistance (R3) is connected to the emitter of the first transistor (BG1); The first operational amplifier (IC1) is connected between the second resistance (R2) and the 3rd resistance (R3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320417347 CN203349925U (en) | 2013-07-15 | 2013-07-15 | Glass vibration detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320417347 CN203349925U (en) | 2013-07-15 | 2013-07-15 | Glass vibration detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203349925U true CN203349925U (en) | 2013-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320417347 Expired - Fee Related CN203349925U (en) | 2013-07-15 | 2013-07-15 | Glass vibration detection device |
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| CN (1) | CN203349925U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105888109A (en) * | 2016-04-15 | 2016-08-24 | 南京航空航天大学 | Intelligent glass curtain wall and signal measuring method thereof |
| CN107036707A (en) * | 2016-02-04 | 2017-08-11 | 烟台东泽电气科技股份有限公司 | A kind of ball mill grinds sound detection device |
-
2013
- 2013-07-15 CN CN 201320417347 patent/CN203349925U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107036707A (en) * | 2016-02-04 | 2017-08-11 | 烟台东泽电气科技股份有限公司 | A kind of ball mill grinds sound detection device |
| CN105888109A (en) * | 2016-04-15 | 2016-08-24 | 南京航空航天大学 | Intelligent glass curtain wall and signal measuring method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131218 Termination date: 20160715 |