CN204244990U - The vehicle-mounted mouse driving device circuit of a kind of vibration start and stop type - Google Patents
The vehicle-mounted mouse driving device circuit of a kind of vibration start and stop type Download PDFInfo
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- CN204244990U CN204244990U CN201420713478.4U CN201420713478U CN204244990U CN 204244990 U CN204244990 U CN 204244990U CN 201420713478 U CN201420713478 U CN 201420713478U CN 204244990 U CN204244990 U CN 204244990U
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Abstract
The utility model discloses the vehicle-mounted mouse driving device circuit of a kind of vibration start and stop type, comprise power circuit, buffer circuit and vibration detection circuit, the input of vibration detection circuit is connected with vibrating sensor, the output of vibration detection circuit is connected to the signal input part of buffer circuit, and the output of power circuit is connected to the power input of buffer circuit.The utility model can improve the deficiencies in the prior art, using the vibration of vehicle as start/stop signal, and has good filter capacity for interference vibration signal, realizes the start/stop controlling supersonic generator accurately.
Description
Technical field
The utility model relates to vehicle rat destruction technical field, especially the vehicle-mounted mouse driving device circuit of a kind of vibration start and stop type.
Background technology
Vehicle is flame-out park time, the muroid in external environment condition likely enters enging cabin and causes damage to electric wiring, so vehicle-mounted mouse driving device is popularized gradually, its principle is exactly the sound wave using acoustical generator to send CF, thus drives muroid.The vehicle-mounted mouse driving device sold on the market at present, major part is that serviceability temperature protective tube is to control the start/stop of vehicle-mounted mouse driving device.This technology is the principle utilizing automobile can generate heat after engine operation certain hour in motion, and when the temperature of automobile engine is increased to starting to control more than threshold temperature of temperature safety tube, temperature safety tube disconnects, and vehicle-mounted mouse driving device quits work.When the temperature of automobile engine is down to starting to control below threshold temperature of temperature safety tube, temperature safety tube is connected again, and vehicle-mounted mouse driving device is started working again.The shortcoming of this technology is: 1) temperature safety tube self error is comparatively large, is difficult to realize precisely controlling.2) different vehicle engine warms is different, and what when indivedual vehicle travels, the temperature of engine possibly cannot be increased to temperature safety tube starts to control more than threshold temperature.3) affect by environment for use temperature, snowy day/or temperature very low winter, what during running car, the temperature of engine possibly cannot be increased to temperature safety tube starts to control more than threshold temperature.
Utility model content
The technical problems to be solved in the utility model is to provide the vehicle-mounted mouse driving device circuit of a kind of vibration start and stop type, the deficiencies in the prior art can be solved, using the vibration of vehicle as start/stop signal, and for interference vibration signal, there is good filter capacity, realize the start/stop controlling supersonic generator accurately.
For solving the problems of the technologies described above, technical solution adopted in the utility model is as follows.
The vehicle-mounted mouse driving device circuit of a kind of vibration start and stop type, it is characterized in that: comprise power circuit, buffer circuit and vibration detection circuit, the input of vibration detection circuit is connected with vibrating sensor, the output of vibration detection circuit is connected to the signal input part of buffer circuit, and the output of power circuit is connected to the power input of buffer circuit;
Power circuit comprises 7805 voltage-stablizers, No. 2 pin ground connection of 7805 voltage-stablizers, and No. 3 pins of 7805 voltage-stablizers connect power supply, and No. 1 pin of 7805 voltage-stablizers, as power output end, is connected with the first electric capacity between No. 1 pin of 7805 voltage-stablizers and No. 2 pins;
Buffer circuit comprises 74HC14 buffer, No. 1 pin of 74HC14 buffer is connected to No. 1 pin of 7805 voltage-stablizers by the first resistance, No. 2 pins of 74HC14 buffer and No. 5 pins in parallel, and No. 1 pin of 74HC14 buffer is connected to by the second resistance, second resistance is by the 5th capacity earth, No. 3 pins of 74HC14 buffer are connected to high level (Vcc) by the 18 resistance, No. 4 pins of 74HC14 buffer are connected to No. 1 pin of 7805 voltage-stablizers, No. 6 pins of 74HC14 buffer are connected to the base stage of the first triode by the 3rd resistance, the colelctor electrode of the first triode is connected to high level by the first inductance, the two ends of the first inductance are parallel with acoustical generator, the grounded emitter of the first triode, No. 7 pin ground connection of 74HC14 buffer, No. 8 pins of 74HC14 buffer and No. 11 pins in parallel, and be connected to the base stage of the second triode, the base stage of the second triode is by the second capacity earth, the base stage of the second triode is connected to high level by the 4th resistance of series connection and the 5th resistance, the base stage of the second triode is connected to the colelctor electrode of the 3rd triode by the 3rd electric capacity, the grounded emitter of the 3rd triode, the base stage of the 3rd triode accepts the vibration signal of vibration detection circuit output by the 8th resistance, the colelctor electrode of the second triode is connected to high level by the 6th resistance, the emitter stage of the second triode is by the first diode, No. 9 pins of 74HC14 buffer are connected to high level by the 7th resistance, No. 10 pins of 74HC14 buffer and No. 3 pins in parallel of 74HC14 buffer, and the colelctor electrode of the second triode is connected to by the 9th resistance, No. 12 pins of 74HC14 buffer are by the 4th capacity earth, No. 13 pins of 74HC14 buffer are connected to the connection mid point of the 4th resistance and the 5th resistance, No. 14 pins of 74HC14 buffer are connected to No. 1 pin of 7805 voltage-stablizers,
Vibration detection circuit comprises the first amplifier, the positive input of the first amplifier is connected to the signal output part of vibrating sensor by the tenth resistance of series connection and the 11 resistance, by the 6th capacity earth between the positive input of the first amplifier and the tenth resistance, by the 7th capacity earth between tenth resistance and the 11 resistance, the reverse input end of the first amplifier is by the 12 resistance eutral grounding, the reverse input end of the first amplifier is connected to the output of the first amplifier by the 13 resistance, the output of the first amplifier is connected to the positive input of the second amplifier by the 14 resistance, the positive input of the second amplifier is by the 15 resistance eutral grounding, the reverse input end of the second amplifier is connected to the output of the second amplifier by the 16 resistance, the reverse input end of the second amplifier is connected to threshold level by the 17 resistance, the output of the second amplifier is connected to the 8th resistance.
The beneficial effect adopting technique scheme to bring is: the utility model carries out LPF by the first amplifier, High-frequency Interference in being outputed signal by vibrating sensor is filtered, then compared by the second amplifier and threshold voltage, thus realize the function of carrying out circuit start/stop according to vibration.The vibration signal of input cushions by buffer circuit, makes the power output of acoustical generator keep stable.Power circuit is exported by the voltage stabilizing of 7805 voltage-stablizers, can ensure to export a stable driving power to buffer circuit.The utility model can realize the break-make by vibration control rat destruction circuit, and effectively filters for the interference in vibration signal, realizes the start/stop controlling supersonic generator accurately.
Accompanying drawing explanation
Fig. 1 is the circuit theory diagrams of the utility model embodiment.
Fig. 2 is the circuit diagram of power circuit in the utility model embodiment.
Fig. 3 is the circuit diagram of buffer circuit in the utility model embodiment.
Fig. 4 is the circuit diagram of vibration detection circuit in the utility model embodiment.
In figure: IC1,7805 voltage-stablizers; IC2,74HC14 buffer; D1, the first diode; R1, the first resistance; R2, the second resistance; R3, the 3rd resistance; R4, the 4th resistance; R5, the 5th resistance; R6, the 6th resistance; R7, the first resistance; R8, negative 8th resistance; R9, the 9th resistance; R10, the tenth resistance; R11, the 11 resistance; R12, the 12 resistance; R13, the 13 resistance; R14, the 14 resistance; R15, the 15 resistance; R16, the 16 resistance; R17, the 17 resistance; R18, the 18 resistance; C1, the first electric capacity; C2, the second electric capacity; C3, the 3rd electric capacity; C4, the 4th electric capacity; C5, the 5th electric capacity; C6, the 6th electric capacity; C7, the 7th electric capacity; L1, the first inductance; Q1, the first triode; Q2, the second triode; Q3, the 3rd triode Q3; A1, the first amplifier; A2, the second amplifier; Vcc, high level; Vt, threshold level; B, acoustical generator.
Embodiment
With reference to Fig. 1, the utility model embodiment comprises power circuit, buffer circuit and vibration detection circuit, the input of vibration detection circuit is connected with vibrating sensor, the output of vibration detection circuit is connected to the signal input part of buffer circuit, and the output of power circuit is connected to the power input of buffer circuit;
Power circuit comprises 7805 voltage-stablizer IC1, No. 2 pin ground connection of 7805 voltage-stablizer IC1, No. 3 pins of 7805 voltage-stablizer IC1 connect power supply, and No. 1 pin of 7805 voltage-stablizer IC1, as power output end, is connected with the first electric capacity C1 between No. 1 pin of 7805 voltage-stablizer IC1 and No. 2 pins;
Buffer circuit comprises 74HC14 buffer IC2, No. 1 pin of 74HC14 buffer IC2 is connected to No. 1 pin of 7805 voltage-stablizer IC1 by the first resistance R1, No. 2 pins of 74HC14 buffer IC2 and No. 5 pins in parallel, and No. 1 pin of 74HC14 buffer IC2 is connected to by the second resistance R2, second resistance R2 is by the 5th electric capacity C5 ground connection, No. 3 pins of 74HC14 buffer IC2 are connected to high level Vcc by the 18 resistance R18, No. 4 pins of 74HC14 buffer IC2 are connected to No. 1 pin of 7805 voltage-stablizer IC1, No. 6 pins of 74HC14 buffer IC2 are connected to the base stage of the first triode Q1 by the 3rd resistance R3, the colelctor electrode of the first triode Q1 is connected to high level Vcc by the first inductance L 1, the two ends of the first inductance L 1 are parallel with acoustical generator B, the grounded emitter of the first triode Q1, No. 7 pin ground connection of 74HC14 buffer IC2, No. 8 pins of 74HC14 buffer IC2 and No. 11 pins in parallel, and be connected to the base stage of the second triode Q2, the base stage of the second triode Q2 is by the second electric capacity C2 ground connection, the base stage of the second triode Q2 is connected to high level Vcc by the 4th resistance R4 of series connection and the 5th resistance R5, the base stage of the second triode Q2 is connected to the colelctor electrode of the 3rd triode Q3 by the 3rd electric capacity C3, the grounded emitter of the 3rd triode Q3, the base stage of the 3rd triode Q3 accepts the vibration signal of vibration detection circuit output by the 8th resistance R8, the colelctor electrode of the second triode Q2 is connected to high level Vcc by the 6th resistance R6, the emitter stage of the second triode Q2 is by the first diode D1, No. 9 pins of 74HC14 buffer IC2 are connected to high level Vcc by the 7th resistance R7, No. 10 pins of 74HC14 buffer IC2 and 74HC14 buffer IC2 No. 3 pins in parallel, and the colelctor electrode of the second triode Q2 is connected to by the 9th resistance R9, No. 12 pins of 74HC14 buffer IC2 are by the 4th electric capacity C4 ground connection, No. 13 pins of 74HC14 buffer IC2 are connected to the connection mid point of the 4th resistance R4 and the 5th resistance R5, No. 14 pins of 74HC14 buffer IC2 are connected to No. 1 pin of 7805 voltage-stablizer IC1,
Vibration detection circuit comprises the first amplifier A1, the positive input of the first amplifier A1 is connected to the signal output part of vibrating sensor by the tenth resistance R10 of series connection and the 11 resistance R11, by the 6th electric capacity C6 ground connection between the positive input of the first amplifier A1 and the tenth resistance R10, by the 7th electric capacity C7 ground connection between tenth resistance R10 and the 11 resistance R11, the reverse input end of the first amplifier A1 is by the 12 resistance R12 ground connection, the reverse input end of the first amplifier A1 is connected to the output of the first amplifier A1 by the 13 resistance R13, the output of the first amplifier A1 is connected to the positive input of the second amplifier A2 by the 14 resistance R14, the positive input of the second amplifier A2 is by the 15 resistance R15 ground connection, the reverse input end of the second amplifier A2 is connected to the output of the second amplifier A2 by the 16 resistance R16, the reverse input end of the second amplifier A2 is connected to threshold level Vt by the 17 resistance R17, the output of the second amplifier A2 is connected to the 8th resistance R8.
Wherein, the first resistance R1 is 3.6k Ω, and the second resistance R2 is 12k Ω, and the 3rd resistance R3 is 22k Ω, and the 4th resistance R4 is 5.1k Ω, and the 5th resistance R5 is 3.3k Ω.6th resistance R6 is 2.2k Ω, 7th resistance R7 is 5.6k Ω, 8th resistance is 1k Ω, and the 9th resistance R9 is 2.2k Ω, and the tenth resistance R10 and the 11 resistance R11 is 8k Ω, 12 resistance R12 is 10k Ω, 13 resistance R13 is 5k Ω, and the 14 resistance R14 is 10k Ω, and the 15 resistance R15 is 5k Ω, 16 resistance R16 is 6k Ω, and the 17 resistance R17 is 4k Ω.First electric capacity C1 is 200 μ F, and the second electric capacity C2 is 10 μ F, and the 3rd electric capacity C3 is 220 μ F, and the 4th electric capacity C4 is 0.1 μ F, and the 5th electric capacity C5 is 223 μ F, and the 6th electric capacity C6 is 350 μ F; 7th electric capacity C7 is 240 μ F, and the first inductance L 1 is 2mH.High level Vcc is 12V, and threshold level Vt is 5V.
In addition, 7805 voltage-stablizers used in this embodiment and 74HC14 buffer are the standard chips in integrated circuit, are known in those skilled in the art.The GT-H10L type vibrating sensor of Keyemce selected by vibrating sensor, also belongs to commercially available matured product, is connected by its signal output part DO1.0 pin with the 11 resistance R11.Acoustical generator vehicle-mounted repelling device in the prior art is generally applied, and the present embodiment selects Taihe county, Shenzhen to reach the THD-2010Q supersonic generator of Science and Technology Ltd..
Operation principle is: carry out LPF by the first amplifier, and the High-frequency Interference in being outputed signal by vibrating sensor is filtered, and is then compared by the second amplifier and threshold voltage, thus realizes carrying out circuit start/stop function according to vibration.The vibration signal of input cushions by buffer circuit, makes the power output of acoustical generator keep stable.Power circuit is exported by the voltage stabilizing of 7805 voltage-stablizers, can ensure to export a stable driving power to buffer circuit.The utility model can realize the break-make by vibration control rat destruction circuit, and effectively filters for the interference in vibration signal, realizes the start/stop controlling supersonic generator accurately.。
Vibrating sensor in the present embodiment also can use vibroswitch or other vibration detection device to replace.
More than show and describe general principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications; such as other controls the product of mouse driving device start/stop by detecting vibration signal, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (1)
1. the vehicle-mounted mouse driving device circuit of vibration start and stop type, it is characterized in that: comprise power circuit, buffer circuit and vibration detection circuit, the input of vibration detection circuit is connected with vibrating sensor, the output of vibration detection circuit is connected to the signal input part of buffer circuit, and the output of power circuit is connected to the power input of buffer circuit;
Power circuit comprises 7805 voltage-stablizers (IC1), No. 2 pin ground connection of 7805 voltage-stablizers (IC1), No. 3 pins of 7805 voltage-stablizers (IC1) connect power supply, No. 1 pin of 7805 voltage-stablizers (IC1), as power output end, is connected with the first electric capacity (C1) between No. 1 pin of 7805 voltage-stablizers (IC1) and No. 2 pins;
Buffer circuit comprises 74HC14 buffer (IC2), No. 1 pin of 74HC14 buffer (IC2) is connected to No. 1 pin of 7805 voltage-stablizers (IC1) by the first resistance (R1), No. 2 pins of 74HC14 buffer (IC2) and No. 5 pins in parallel, and No. 1 pin of 74HC14 buffer (IC2) is connected to by the second resistance (R2), second resistance (R2) is by the 5th electric capacity (C5) ground connection, No. 3 pins of 74HC14 buffer (IC2) are connected to high level (Vcc) by the 18 resistance (R18), No. 4 pins of 74HC14 buffer (IC2) are connected to No. 1 pin of 7805 voltage-stablizers (IC1), No. 6 pins of 74HC14 buffer (IC2) are connected to the base stage of the first triode (Q1) by the 3rd resistance (R3), the colelctor electrode of the first triode (Q1) is connected to high level (Vcc) by the first inductance (L1), the two ends of the first inductance (L1) are parallel with acoustical generator (B), the grounded emitter of the first triode (Q1), No. 7 pin ground connection of 74HC14 buffer (IC2), No. 8 pins of 74HC14 buffer (IC2) and No. 11 pins in parallel, and be connected to the base stage of the second triode (Q2), the base stage of the second triode (Q2) is by the second electric capacity (C2) ground connection, the base stage of the second triode (Q2) is connected to high level (Vcc) by the 4th resistance (R4) of series connection and the 5th resistance (R5), the base stage of the second triode (Q2) is connected to the colelctor electrode of the 3rd triode (Q3) by the 3rd electric capacity (C3), the grounded emitter of the 3rd triode (Q3), the base stage of the 3rd triode (Q3) accepts the vibration signal of vibration detection circuit output by the 8th resistance (R8), the colelctor electrode of the second triode (Q2) is connected to high level (Vcc) by the 6th resistance (R6), the emitter stage of the second triode (Q2) is by the first diode (D1), No. 9 pins of 74HC14 buffer (IC2) are connected to high level (Vcc) by the 7th resistance (R7), No. 10 pins of 74HC14 buffer (IC2) and 74HC14 buffer (IC2) No. 3 pins in parallel, and the colelctor electrode of the second triode (Q2) is connected to by the 9th resistance (R9), No. 12 pins of 74HC14 buffer (IC2) are by the 4th electric capacity (C4) ground connection, No. 13 pins of 74HC14 buffer (IC2) are connected to the connection mid point of the 4th resistance (R4) and the 5th resistance (R5), No. 14 pins of 74HC14 buffer (IC2) are connected to No. 1 pin of 7805 voltage-stablizers (IC1),
Vibration detection circuit comprises the first amplifier (A1), the positive input of the first amplifier (A1) is connected to the signal output part of vibrating sensor by the tenth resistance (R10) of series connection and the 11 resistance (R11), by the 6th electric capacity (C6) ground connection between the positive input of the first amplifier (A1) and the tenth resistance (R10), by the 7th electric capacity (C7) ground connection between tenth resistance (R10) and the 11 resistance (R11), the reverse input end of the first amplifier (A1) is by the 12 resistance (R12) ground connection, the reverse input end of the first amplifier (A1) is connected to the output of the first amplifier (A1) by the 13 resistance (R13), the output of the first amplifier (A1) is connected to the positive input of the second amplifier (A2) by the 14 resistance (R14), the positive input of the second amplifier (A2) is by the 15 resistance (R15) ground connection, the reverse input end of the second amplifier (A2) is connected to the output of the second amplifier (A2) by the 16 resistance (R16), the reverse input end of the second amplifier (A2) is connected to threshold level (Vt) by the 17 resistance (R17), the output of the second amplifier (A2) is connected to the 8th resistance (R8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420713478.4U CN204244990U (en) | 2014-11-25 | 2014-11-25 | The vehicle-mounted mouse driving device circuit of a kind of vibration start and stop type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420713478.4U CN204244990U (en) | 2014-11-25 | 2014-11-25 | The vehicle-mounted mouse driving device circuit of a kind of vibration start and stop type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204244990U true CN204244990U (en) | 2015-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420713478.4U Expired - Fee Related CN204244990U (en) | 2014-11-25 | 2014-11-25 | The vehicle-mounted mouse driving device circuit of a kind of vibration start and stop type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204244990U (en) |
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2014
- 2014-11-25 CN CN201420713478.4U patent/CN204244990U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150408 Termination date: 20151125 |