CN205902058U - Controllable electron loudspeaker of sound size - Google Patents
Controllable electron loudspeaker of sound size Download PDFInfo
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- CN205902058U CN205902058U CN201620701672.XU CN201620701672U CN205902058U CN 205902058 U CN205902058 U CN 205902058U CN 201620701672 U CN201620701672 U CN 201620701672U CN 205902058 U CN205902058 U CN 205902058U
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Abstract
The utility model discloses a controllable electron loudspeaker of sound size, it includes signal collection circuit, miaow head feedback circuit, singlechip U2, transistor control circuit, drive circuit, and for above -mentioned circuit provide the input power power supply circuit, signal acquisition circuit gathers remote controller signal and transmits singlechip U2, singlechip U2 distinguishs back from second output or first output output signal to transistor control circuit and logical by transistor control circuit control drive circuit's MOS piping, send high -decibel's the loudspeaker sound or the loudspeaker sound of low decibel. The utility model discloses what can coordinate the remote controller seeks the car signal, sends the decibel and is less than at ordinary times the mechanical loudspeaker sound when warning that yowls, has overcome mechanical loudspeaker simultaneously and has easily burnt out the defect of contact because of piping in short -term.
Description
Technical field
The utility model belongs to car horn technical field, and especially a kind of and remote control cooperation can be played automobile and seek car
The electronic horn of suggesting effect, this electronic horn according to remote control send seek car signal and automobile horn switch signal itself it
Between difference, thus sending the sound of different decibel sizes.
Background technology
At present, the remote control of superior automobile has remote control to seek car function mostly, and the loudspeaker that it is adopted are then for sound
The mechanical horn of contact turning circuit.Because mechanical horn of the prior art is mainly as warning function of blowing a whistle, if
During in order to seeking car function, mechanical horn can be short because seeking car time that pipes, and mechanical horn pitting of contact problem easily；Again
Person, short time piping of mechanical horn sound level that pipes is higher, there is other people defect of agitation；Based on said structure, this practicality
New provide a kind of can be according to the area sought between car signal and automobile horn switch signal itself being sent according to remote control
Not, send the contactless electronic loudspeaker of the big small voice of different decibels.
Utility model content
In order to overcome the deficiencies in the prior art, the utility model provides a kind of controlled electronic horn of sound size, should
Electronic horn can coordinate the sound sought car signal, send when decibel is warned less than the yowl of mechanical horn at ordinary times of remote control, with
When overcome mechanical horn because of the defect of the easy burn-out contact that pipes in short-term.
To achieve these goals, the technical solution adopted in the utility model is: a kind of controlled electronics loudspeaker of sound size
It is characterised in that: include power circuit, single-chip microcomputer u2, the input of single-chip microcomputer u2 be connected to signal sample circuit and
Miaow head feedback circuit, single-chip microcomputer u2 passes through the first output end, the second output end is connected with transistor control circuit, and triode controls
Circuit includes triode q3, and the input of triode q3 includes defeated with single-chip microcomputer u2 second output end, single-chip microcomputer u2 first respectively
Go out transistor control circuit first input end and transistor control circuit second input that end connects, transistor control circuit the
One input is connected with diode d3, and the output end of transistor control circuit connects drive circuit, and drive circuit includes mos pipe,
First pin of mos pipe connects resistance r3, and mos pipe second pin connects resistance r4, and resistance r3, r4 connect, mos pipe the 3rd pin
It is connected with horn coil l, mos pipe is parallel with protection electric capacity c6, c7, the mos pipe anti-reverse diode d2 of series connection.
Stable+5v the circuit of above-mentioned power circuit output, be signal sample circuit, miaow head feedback circuit, single-chip microcomputer u2, three
Pole pipe control circuit and drive circuit provide input power, and signal acquisition circuit collection remote controller signal is delivered to single-chip microcomputer
U2, single-chip microcomputer u2 output signal to transistor control circuit and by triode control from the second output end or the first output end after differentiating
Circuit processed controls the mos pipe conducting of drive circuit, sends the speaker sound of high-decibel or the speaker sound of low decibel.
Arrange further as of the present utility model, described power circuit includes diode d1, diode d1 series connection current limliting
Resistance r1, r2, are parallel with input filtering electric capacity c1, c2 between current-limiting resistance r1 and current-limiting resistance r2, current-limiting resistance r2 exports
End is parallel with output end electrochemical capacitor c3, c4.
Electric current in above-mentioned power circuit is after diode d1 individual event conducting through current-limiting resistance r1, r2 and through input
Through going out to hold the stable+5v power supply of electrochemical capacitor c3, c4 output after filter capacitor c1, c2 filtering impurity elimination, provide for other circuit
Input power.
Arrange further as of the present utility model, described signal sample circuit includes divider resistance r7, r8, with partial pressure electricity
Resistance r7 electric capacity of voltage regulation c5, Zener diode zd1 in parallel, Zener diode series limiting resistor r9.
The signal that above-mentioned signal sample circuit collection remote control sends is converted into electric signal to single-chip microcomputer u2, by single-chip microcomputer u2
Judge output by analysis.
Arrange further as of the present utility model, described miaow head feedback circuit includes the partial pressure electricity being connected with power circuit
Resistance r5, divider resistance r5 are connected in parallel to resistance r6 and cylinder microphone mt.
Voice signal is converted into electric signal by cylinder microphone by above-mentioned miaow head feedback circuit, with single-chip microcomputer output signal
Coupling, is finally realized horn diaphragm intrinsic frequency and is mated with circuit output frequency, reach resonance.
Using such scheme, the utility model is signal sample circuit, miaow head feedback circuit, single-chip microcomputer by power circuit
U2, transistor control circuit and drive circuit provide input power, and signal acquisition circuit collection remote controller signal is delivered to list
Piece machine u2, when single-chip microcomputer u2 detection input signal is less than or equal to 300ms, now first output end mcu-out1 of single-chip microcomputer u2
Output 500hz, dutycycle is 55% square wave, and the second output end mcu-out2 output 100khz dutycycle of single-chip microcomputer u2 is
80% square wave, mcu-out2 output signal, through the one-way conduction of diode d3, makes mcu-out1 output signal and single-chip microcomputer
The second output mcu-out2 output signal superposition of u2, controls output to provide grid voltage to mos pipe through triode, thus driving
Mos pipe turns on, and loudspeaker pipe, and its decibel is 90db；When single-chip microcomputer u2 detection input signal is more than 300ms, now monolithic
The first output end mcu-out1 output 500hz of machine u2, dutycycle is 55% square wave, second output end of single-chip microcomputer u2
Mcu-out2 does not export, and this signal controls driving mos pipe by triode, so that loudspeaker is piped, its decibel is more than 105db
The sound of normal loudspeaker.
Below in conjunction with the accompanying drawings the utility model is further described.
Brief description
Accompanying drawing 1 is the utility model specific embodiment structured flowchart；
Accompanying drawing 2 is the power circuit diagram of the utility model specific embodiment；
Accompanying drawing 3 is the utility model specific embodiment miaow head feedback circuit figure；
Accompanying drawing 4 is the utility model specific embodiment transistor control circuit figure；
Accompanying drawing 5 is the utility model specific embodiment sample circuit figure；
Accompanying drawing 6 is the utility model specific embodiment drive circuit figure；
Accompanying drawing 7 is the utility model specific embodiment single-chip microcomputer u2 circuit diagram；
Accompanying drawing 8 is the utility model specific embodiment phonation circuit figure.
Specific embodiment
Specific embodiment of the utility model is the controlled electronic horn of sound size as shown in figures 1-8, including power supply electricity
Road, single-chip microcomputer u2, the input of single-chip microcomputer u2 is connected to signal sample circuit and miaow head feedback circuit, and single-chip microcomputer u2 passes through
First output end, the second output end are connected with transistor control circuit, and transistor control circuit includes triode q3, triode q3
Input include the transistor control circuit that is connected respectively with single-chip microcomputer u2 second output end, single-chip microcomputer u2 first output end
One input and transistor control circuit second input, transistor control circuit first input end is connected with diode d3, and three
The output end of pole pipe control circuit connects drive circuit, and drive circuit includes mos pipe, and the first pin of mos pipe connects resistance r3,
Mos pipe second pin connects resistance r4, and resistance r3, r4 connect, and mos pipe the 3rd pin is connected with horn coil l, and mos pipe is in parallel
There are protection electric capacity c6, c7, the mos pipe anti-reverse diode d2 of series connection.
Stable+5v the circuit of above-mentioned power circuit output, be signal sample circuit, miaow head feedback circuit, single-chip microcomputer u2, three
Pole pipe control circuit and drive circuit provide input power, and signal acquisition circuit collection remote controller signal is delivered to single-chip microcomputer
U2, single-chip microcomputer u2 output signal to transistor control circuit and by triode control from the second output end or the first output end after differentiating
Circuit processed controls the mos pipe conducting of drive circuit, sends the speaker sound of high-decibel or the speaker sound of low decibel.
Above-mentioned power circuit includes diode d1, diode d1 series limiting resistor r1, r2, current-limiting resistance r1 and current limliting electricity
It is parallel with input filtering electric capacity c1, c2, current-limiting resistance r2 output end is parallel with output end electrochemical capacitor c3, c4 between resistance r2.
Electric current in above-mentioned power circuit is after diode d1 individual event conducting through current-limiting resistance r1, r2 and through input
Through going out to hold the stable+5v power supply of electrochemical capacitor c3, c4 output after filter capacitor c1, c2 filtering impurity elimination, provide for other circuit
Input power.
Above-mentioned signal sample circuit includes divider resistance r7, r8, the electric capacity of voltage regulation c5 in parallel with divider resistance r7, voltage stabilizing two
Pole pipe zd1, Zener diode series limiting resistor r9.
The signal that above-mentioned signal sample circuit collection remote control sends is converted into electric signal to single-chip microcomputer u2, by single-chip microcomputer u2
Judge output by analysis.
Above-mentioned miaow head feedback circuit includes the divider resistance r5 being connected with power circuit, and divider resistance r5 is connected in parallel to electricity
Resistance r6 and cylinder microphone mt.
Voice signal is converted into electric signal by cylinder microphone by above-mentioned miaow head feedback circuit, with single-chip microcomputer output signal
Coupling, is finally realized horn diaphragm intrinsic frequency and is mated with circuit output frequency, reach resonance.
The utility model by power circuit be signal sample circuit, miaow head feedback circuit, single-chip microcomputer u2, triode control
Circuit and drive circuit provide input power, and signal acquisition circuit collection remote controller signal is delivered to single-chip microcomputer u2, works as monolithic
Machine u2 detection input signal is less than or equal to 300ms, now the first output end mcu-out1 output 500hz of single-chip microcomputer u2, duty
The square wave for 55% for the ratio, second output end mcu-out2 of single-chip microcomputer u2 exports the square wave that 100khz dutycycle is 80%, mcu-
Out2 output signal, through the one-way conduction of diode d3, makes the second output of mcu-out1 output signal and single-chip microcomputer u2
Mcu-out2 output signal is superimposed, and controls output to provide grid voltage to mos pipe through triode, thus driving mos pipe to turn on, loudspeaker
Pipe, its decibel be 90db；When single-chip microcomputer u2 detection input signal is more than 300ms, now the first of single-chip microcomputer u2 is defeated
Go out to hold mcu-out1 output 500hz, dutycycle is 55% square wave, and second output end mcu-out2 of single-chip microcomputer u2 does not export,
This signal controls driving mos pipe by triode, so that loudspeaker is piped, its decibel is more than the sound of the normal loudspeaker of 105db.
The utility model is not limited to above-mentioned specific embodiment, and persons skilled in the art are public according to the utility model
The content opened, can be implemented of the present utility model using other multiple specific embodiments, or every employing the utility model
Design structure and thinking, do simple change or change, both fall within protection domain of the present utility model.
Claims (5)
1. a kind of controlled electronic horn of sound size it is characterised in that: include power circuit, single-chip microcomputer u2, single-chip microcomputer u2's
Input is connected to signal sample circuit and miaow head feedback circuit, and single-chip microcomputer u2 passes through the first output end, the second output end
Be connected with transistor control circuit, transistor control circuit includes triode q3, the input of triode q3 include respectively with list
The transistor control circuit first input end that piece machine u2 the second output end, single-chip microcomputer u2 first output end connect and triode control
Circuit second input, transistor control circuit first input end is connected with diode d3, the output end of transistor control circuit
Connect drive circuit, drive circuit includes mos pipe, the first pin of mos pipe connects resistance r3, and mos pipe second pin connects electricity
Resistance r4, resistance r3, r4 connect, and mos pipe the 3rd pin is connected with horn coil l, and mos pipe is parallel with protection electric capacity c6, c7, mos
The pipe anti-reverse diode d2 of series connection.
2. the controlled electronic horn of sound size according to claim 1 it is characterised in that: described power circuit includes two
Pole pipe d1, diode d1 series limiting resistor r1, r2, it is parallel with input filtering electricity between current-limiting resistance r1 and current-limiting resistance r2
Hold c1, c2, current-limiting resistance r2 output end is parallel with output end electrochemical capacitor c3, c4.
3. the controlled electronic horn of sound size according to claim 1 and 2 it is characterised in that: described signal sampling electricity
Road includes divider resistance r7, r8, electric capacity of voltage regulation c5, the Zener diode zd1 in parallel with divider resistance r7, and Zener diode is connected
Current-limiting resistance r9.
4. the controlled electronic horn of sound size according to claim 1 and 2 it is characterised in that: described miaow head feedback electricity
Road includes the divider resistance r5 being connected with power circuit, and divider resistance r5 is connected in parallel to resistance r6 and cylinder microphone mt.
5. the controlled electronic horn of sound size according to claim 3 it is characterised in that: described miaow head feedback circuit bag
Include the divider resistance r5 being connected with power circuit, divider resistance r5 is connected in parallel to resistance r6 and cylinder microphone mt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620701672.XU CN205902058U (en) | 2016-06-29 | 2016-06-29 | Controllable electron loudspeaker of sound size |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620701672.XU CN205902058U (en) | 2016-06-29 | 2016-06-29 | Controllable electron loudspeaker of sound size |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205902058U true CN205902058U (en) | 2017-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620701672.XU Active CN205902058U (en) | 2016-06-29 | 2016-06-29 | Controllable electron loudspeaker of sound size |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205902058U (en) |
Cited By (2)
| 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 |
| 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 |
-
2016
- 2016-06-29 CN CN201620701672.XU patent/CN205902058U/en active Active
Cited By (3)
| 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 |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Electronic speaker with controllable volume Effective date of registration: 20181123 Granted publication date: 20170118 Pledgee: Bank of China Limited by Share Ltd Wenzhou economic and Technological Development Zone sub branch Pledgor: ZHEJIANG CHINT AUTO PARTS INDUSTRIES CO., LTD. Registration number: 2018990001106 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |