CN203966539U - Electric motor car simulation horn control circuit - Google Patents
Electric motor car simulation horn control circuit Download PDFInfo
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- CN203966539U CN203966539U CN201420019074.5U CN201420019074U CN203966539U CN 203966539 U CN203966539 U CN 203966539U CN 201420019074 U CN201420019074 U CN 201420019074U CN 203966539 U CN203966539 U CN 203966539U
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- divider resistance
- chip microcomputer
- control circuit
- drive circuitry
- control
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Abstract
The utility model discloses a kind of electric motor car simulation horn control circuit, driving power is powered to audio drive circuitry, the voltage that driving power provides is by the first divider resistance and the second divider resistance dividing potential drop, be delivered to transistor base, node between the first divider resistance and the second divider resistance is connected to the I/O of single-chip microcomputer, the variation of the low and high level producing by single-chip processor i/o, control the turn-on and turn-off of triode, control the input voltage of mos fet gate with this, control the electric current of its output terminal drain electrode, play the control action to mos field effect transistor, by at the default voice storage piece of single-chip microcomputer, control signal is changed by audio drive circuitry, by mos field effect transistor, the frequency of electronic horn is controlled, send default sound with this, mos field effect transistor is for high-frequency high-speed circuit, grid or drain electrode are controlled to electric current sensitivity, switching response speed is fast, accurate and rapid to the control effect of electronic horn, occur effective.
Description
Technical field
The utility model relates to a kind of electronic horn, and more particularly, it relates to a kind of electric motor car simulation horn control circuit.
Background technology
Electric motor car simulation loudspeaker are on a kind of motor vehicle being arranged on without motor, cause that pedestrian notes thereby replace motor to send motor sound, play the electronic horn of the function of safe driving.
At present, electric motor car simulation loudspeaker on market, the quality of its sounding effect depends primarily on its control circuit, and existing electric motor car simulation loudspeaker, its governor circuit is made up of elements such as triode, resistance, single-chip microcomputer and electric capacity conventionally, triode is as current drive-type on-off element, have cheap, the advantage such as easy to use, but the loss of triode is larger, and be applied to the circuit of high-frequency high-speed, its switching speed can not satisfy the demands, make control circuit not high to the control accuracy of electronic horn, respond rapid not.
Utility model content
The deficiency existing for prior art, the purpose of this utility model is to provide a kind of control accuracy high and respond electric motor car rapidly simulation horn control circuit.
For achieving the above object, the utility model provides following technical scheme: a kind of electric motor car simulation horn control circuit, comprise single-chip microcomputer, trigger control circuit and audio drive circuitry, described single-chip microcomputer is connected with peripheral circuit, described peripheral circuit comprises power circuit and clock circuit, described trigger control circuit is all connected with single-chip microcomputer with audio drive circuitry, described audio drive circuitry comprises driving power, the first divider resistance, the second divider resistance, triode, the 3rd divider resistance and mos field effect transistor, after described the first divider resistance and the series connection of the second divider resistance, be connected between driving power and the base stage of triode, the intermediate node of described the first divider resistance and the second divider resistance is connected to the I/O mouth of single-chip microcomputer, the grounded emitter of described triode, its collector is connected with the grid of the 3rd divider resistance and mos field effect transistor respectively, the other end of described the 3rd divider resistance is connected with driving power, the grounded drain of described mos field effect transistor, its source electrode is connected to the VSS pin of single-chip microcomputer.
By adopting technique scheme, driving power is powered to audio drive circuitry, the voltage that driving power provides is by the first divider resistance and the second divider resistance dividing potential drop, be delivered to transistor base, node between the first divider resistance and the second divider resistance is connected to the I/O of single-chip microcomputer, the variation of the low and high level producing by single-chip processor i/o, control the turn-on and turn-off of triode, control the input voltage of mos fet gate with this, control the electric current of its output terminal drain electrode, play the control action to mos field effect transistor, by at the default voice storage piece of single-chip microcomputer, control signal is changed by audio drive circuitry, by mos field effect transistor, the frequency of electronic horn is controlled, send default sound with this, mos field effect transistor is for high-frequency high-speed circuit, grid or drain electrode are controlled to electric current sensitivity, switching response speed is fast, accurate and rapid to the control effect of electronic horn, occur effective.
The utility model is further set to: described audio drive circuitry arranges multiple, and described multiple audio drive circuitry are all connected with single-chip microcomputer.
By adopting technique scheme, multiple audio drive circuitry drive multiple electronic horn, send respectively different sound, play better audio mixing effect.
The utility model is further set to: described trigger control circuit comprises power supply, switch, pull-up resistor, the 4th divider resistance, the 5th divider resistance, voltage regulation resistance, electric capacity and stabilivolt, one end of described switch is connected with power supply, its other end is connected to respectively pull-up resistor, electric capacity, voltage regulation resistance and the 4th divider resistance, the other end of described pull-up resistor connects the output terminal of power circuit, the other end ground connection of described electric capacity, ground connection after other end series connection the 5th divider resistance of described the 4th divider resistance, ground connection after the other end series voltage stabilizing pipe of described voltage regulation resistance, the intermediate node of described voltage regulation resistance and stabilivolt is connected to the I/O mouth of single-chip microcomputer, the intermediate node of described the 4th divider resistance and the 5th divider resistance is connected to the I/O mouth of monolithic.
By adopting technique scheme, in the time of needs electronic horn normal articulation, normal connection (connecting once) switch, trigger pip is after voltage regulation resistance and stabilivolt voltage stabilizing, be delivered to single-chip microcomputer, single-chip microcomputer is received trigger pip, after calculation process, controlling the normal sound module of connected audio drive circuitry control starts, control electronic horn normal articulation, in the time that needs are controlled the pronunciation of electronic horn switching audio frequency, as long as connect continuously tertiary switch (3 times per second), trigger pip is by the 4th divider resistance, the 5th divider resistance and electric capacity carry out dividing potential drop, owing to jumping, the trigger pip of bust, on the 4th divider resistance, form one higher than the crest voltage under (or lower than) normal condition, now trigger pip is transferred to single-chip microcomputer by the intermediate node between the 4th divider resistance and the 5th divider resistance, sound producing pattern automatically switches after computing comparison, controlling audio drive circuitry starts multitone module, control the sound that electronic horn sends another kind of audio frequency, close normal sound module simultaneously, in the time that switch cut-offs, circuit is in mute state, only need by a shift knob, switch and the dual-audio that can carry out loudspeaker switch, simple to operate.
Brief description of the drawings
Fig. 1 is the circuit theory diagrams of the utility model electric motor car simulation horn control circuit embodiment;
Fig. 2 is the audio drive circuitry schematic diagram of the utility model electric motor car simulation horn control circuit embodiment;
Fig. 3 is the trigger control circuit schematic diagram of the utility model electric motor car simulation horn control circuit embodiment;
Fig. 4 is the single-chip microcomputer pinouts of the utility model electric motor car simulation horn control circuit embodiment;
Fig. 5 is the power circuit principle figure of the utility model electric motor car simulation horn control circuit embodiment;
Fig. 6 is the clock circuit schematic diagram of the utility model electric motor car simulation horn control circuit embodiment.
Description of reference numerals: 1, single-chip microcomputer; 2, trigger control circuit; 21, pull-up resistor; 22, the 4th divider resistance; 23, the 5th divider resistance; 24, voltage regulation resistance; 25, electric capacity; 26, stabilivolt; 3, audio drive circuitry; 31, driving power; 32, the first divider resistance; 33, the second divider resistance; 34, triode; 35, the 3rd divider resistance; 36, mos field effect transistor; 4, peripheral circuit; 41, power circuit; 42, clock circuit.
Embodiment
Referring to figs. 1 through Fig. 6, the utility model electric motor car simulation horn control circuit embodiment is described further.
A kind of electric motor car simulation horn control circuit, comprise single-chip microcomputer 1, trigger control circuit 2 and audio drive circuitry 3, described single-chip microcomputer 1 is connected with peripheral circuit 4, described peripheral circuit 4 comprises power circuit 41 and clock circuit 42, described trigger control circuit 2 is all connected with single-chip microcomputer 1 with audio drive circuitry 3, described audio drive circuitry 3 comprises driving power 31, the first divider resistance 32, the second divider resistance 33, triode 34, the 3rd divider resistance 35 and mos field effect transistor 36, after described the first divider resistance 32 and the second divider resistance 33 series connection, be connected between driving power 31 and the base stage of triode 34, the intermediate node of described the first divider resistance 32 and the second divider resistance 33 is connected to the I/O mouth of single-chip microcomputer 1, the grounded emitter of described triode 34, its collector is connected with the grid of the 3rd divider resistance 35 and mos field effect transistor 36 respectively, the other end of described the 3rd divider resistance 35 is connected with driving power 31, the grounded drain of described mos field effect transistor 36, its source electrode is connected to the VSS pin of single-chip microcomputer 1.
By adopting technique scheme, driving power 31 powers to audio drive circuitry 3, the voltage that driving power 31 provides is by the first divider resistance 32 and the second divider resistance 33 dividing potential drops, be delivered to triode 34 base stages, node between the first divider resistance 32 and the second divider resistance 33 is connected to the I/O of single-chip microcomputer 1, the variation of the low and high level producing by single-chip microcomputer 1I/O, control the turn-on and turn-off of triode 34, control the input voltage of mos field effect transistor 36 grids with this, control the electric current of its output terminal drain electrode, play the control action to mos field effect transistor 36, by at the default voice storage piece of single-chip microcomputer 1, control signal is changed by audio drive circuitry 3, by mos field effect transistor 36, the frequency of electronic horn is controlled, send default sound with this, mos field effect transistor 36 is for high-frequency high-speed circuit, grid or drain electrode are controlled to electric current sensitivity, switching response speed is fast, accurate and rapid to the control effect of electronic horn, occur effective.
Described audio drive circuitry 3 arranges multiple, and described multiple audio drive circuitry 3 are all connected with single-chip microcomputer 1.
By adopting technique scheme, multiple audio drive circuitry 3 drive multiple electronic horn, send respectively different sound, play better audio mixing effect.
Described trigger control circuit 2 comprises power supply, switch, pull-up resistor 21, the 4th divider resistance 22, the 5th divider resistance 23, voltage regulation resistance 24, electric capacity 25 and stabilivolt 26, one end of described switch is connected with power supply, its other end is connected to respectively pull-up resistor 21, electric capacity 25, voltage regulation resistance 24 and the 4th divider resistance 22, the other end of described pull-up resistor 21 connects the output terminal of power circuit 41, the other end ground connection of described electric capacity 25, the rear ground connection of other end series connection the 5th divider resistance 23 of described the 4th divider resistance 22, ground connection after the other end series voltage stabilizing pipe 26 of described voltage regulation resistance 24, the intermediate node of described voltage regulation resistance 24 and stabilivolt 26 is connected to the I/O mouth of single-chip microcomputer 1, the intermediate node of described the 4th divider resistance 22 and the 5th divider resistance 23 is connected to the I/O mouth of monolithic.
By adopting technique scheme, in the time of needs electronic horn normal articulation, normal connection (connecting once) switch, trigger pip is after voltage regulation resistance 24 and stabilivolt 26 voltage stabilizings, be delivered to single-chip microcomputer 1, single-chip microcomputer 1 is received trigger pip, after calculation process, control connected audio drive circuitry 3 and control normal sound module startup, control electronic horn normal articulation, in the time that needs are controlled the pronunciation of electronic horn switching audio frequency, as long as connect continuously tertiary switch (3 times per second), trigger pip is by the 4th divider resistance 22, the 5th divider resistance 23 and electric capacity 25 carry out dividing potential drop, owing to jumping, the trigger pip of bust, on the 4th divider resistance 22, form one higher than the crest voltage under (or lower than) normal condition, now trigger pip is transferred to single-chip microcomputer 1 by the intermediate node between the 4th divider resistance 22 and the 5th divider resistance 23, sound producing pattern automatically switches after computing comparison, controlling audio drive circuitry 3 starts multitone module, control the sound that electronic horn sends another kind of audio frequency, close normal sound module simultaneously, in the time that switch cut-offs, circuit is in mute state, only need by a shift knob, switch and the dual-audio that can carry out loudspeaker switch, simple to operate.
Claims (3)
1. an electric motor car simulation horn control circuit, comprise single-chip microcomputer, trigger control circuit and audio drive circuitry, described single-chip microcomputer is connected with peripheral circuit, described peripheral circuit comprises power circuit and clock circuit, described trigger control circuit is all connected with single-chip microcomputer with audio drive circuitry, it is characterized in that: described audio drive circuitry comprises driving power, the first divider resistance, the second divider resistance, triode, the 3rd divider resistance and mos field effect transistor, after described the first divider resistance and the series connection of the second divider resistance, be connected between driving power and the base stage of triode, the intermediate node of described the first divider resistance and the second divider resistance is connected to the I/O mouth of single-chip microcomputer, the grounded emitter of described triode, its collector is connected with the grid of the 3rd divider resistance and mos field effect transistor respectively, the other end of described the 3rd divider resistance is connected with driving power, the grounded drain of described mos field effect transistor, its source electrode is connected to the VSS pin of single-chip microcomputer.
2. electric motor car simulation horn control circuit according to claim 1, is characterized in that: described audio drive circuitry arranges multiple, and described multiple audio drive circuitry are all connected with single-chip microcomputer.
3. electric motor car simulation horn control circuit according to claim 1 and 2, it is characterized in that: described trigger control circuit comprises power supply, switch, pull-up resistor, the 4th divider resistance, the 5th divider resistance, voltage regulation resistance, electric capacity and stabilivolt, one end of described switch is connected with power supply, its other end is connected to respectively pull-up resistor, electric capacity, voltage regulation resistance and the 4th divider resistance, the other end of described pull-up resistor connects the output terminal of power circuit, the other end ground connection of described electric capacity, ground connection after other end series connection the 5th divider resistance of described the 4th divider resistance, ground connection after the other end series voltage stabilizing pipe of described voltage regulation resistance, the intermediate node of described voltage regulation resistance and stabilivolt is connected to the I/O mouth of single-chip microcomputer, the intermediate node of described the 4th divider resistance and the 5th divider resistance is connected to the I/O mouth of monolithic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420019074.5U CN203966539U (en) | 2014-01-13 | 2014-01-13 | Electric motor car simulation horn control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420019074.5U CN203966539U (en) | 2014-01-13 | 2014-01-13 | Electric motor car simulation horn control circuit |
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| Publication Number | Publication Date |
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| CN203966539U true CN203966539U (en) | 2014-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420019074.5U Expired - Fee Related CN203966539U (en) | 2014-01-13 | 2014-01-13 | Electric motor car simulation horn control circuit |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106028218A (en) * | 2016-06-29 | 2016-10-12 | 浙江正泰汽车科技有限公司 | Electronic speaker with controllable volume |
| CN107863102A (en) * | 2017-12-25 | 2018-03-30 | 青岛冠义科技有限公司 | A kind of speech recognition circuit and translation system |
| CN108257452A (en) * | 2018-01-30 | 2018-07-06 | 上海乐田教育科技有限公司 | A kind of vibration module for teaching programming plate |
| CN113109655A (en) * | 2021-04-26 | 2021-07-13 | 深圳市宗泰电机有限公司 | Electromagnet temperature rise testing device |
-
2014
- 2014-01-13 CN CN201420019074.5U patent/CN203966539U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106028218A (en) * | 2016-06-29 | 2016-10-12 | 浙江正泰汽车科技有限公司 | Electronic speaker with controllable volume |
| CN106028218B (en) * | 2016-06-29 | 2021-06-15 | 浙江正泰汽车科技有限公司 | Electronic loudspeaker with controllable sound intensity |
| CN107863102A (en) * | 2017-12-25 | 2018-03-30 | 青岛冠义科技有限公司 | A kind of speech recognition circuit and translation system |
| CN108257452A (en) * | 2018-01-30 | 2018-07-06 | 上海乐田教育科技有限公司 | A kind of vibration module for teaching programming plate |
| CN113109655A (en) * | 2021-04-26 | 2021-07-13 | 深圳市宗泰电机有限公司 | Electromagnet temperature rise testing device |
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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: 20141126 Termination date: 20180113 |