CN105187989B - A kind of automobile intelligent alarming horn circuit - Google Patents
A kind of automobile intelligent alarming horn circuit Download PDFInfo
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- CN105187989B CN105187989B CN201510484219.8A CN201510484219A CN105187989B CN 105187989 B CN105187989 B CN 105187989B CN 201510484219 A CN201510484219 A CN 201510484219A CN 105187989 B CN105187989 B CN 105187989B
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Abstract
A kind of automobile intelligent alarming horn circuit, the circuit include drive circuit of loudspeaker, follow circuit, voltage reference circuit, delayed playing circuit, low-frequency oscillatory network, high-frequency oscillating circuits, waveform feedback circuit, playback process circuit and loudspeaker；Wherein, the low-frequency oscillatory network is connected with waveform feedback circuit, the waveform feedback circuit is connected with high-frequency oscillating circuits, the high-frequency oscillating circuits is connected with playback process circuit and voltage reference circuit respectively, the voltage reference circuit is respectively with following circuit and delayed playing circuit to be connected, described to follow circuit to be connected with drive circuit of loudspeaker, the drive circuit of loudspeaker is connected with loudspeaker；The beneficial effects of the practice of the present invention：It is simple in construction, it is easy to operate, realize intelligent alarm；In, reduction sound pollution less compared with quiet place broadcasting acoustic pressure；Outer signals are gathered by loudspeaker film when ingenious use loudspeaker do not play simultaneously, and then play suitable volume.
Description
Technical field
The present invention relates to field of automobile control, more specifically to a kind of automobile intelligent alarming horn circuit.
Background technology
Automobile is a kind of current the most widely used vehicles, and noise is referred to as the new public hazards in city, statistics display, vapour
Noise caused by car has even accounted for the 85% of city noise！Running car is when on road, internal combustion engine, loudspeaker, wheel
Tire etc. can all send much noise, have a strong impact on the health of people.Road traffic noise and type of vehicle, road conditions, vapour
Vehicle travelling state, the magnitude of traffic flow etc. are closely related.At present, road traffic noise has become the important of Harnessing City Pollution
Problem.
Scientists think that 40dB is normal ambient sound, are exactly harmful noise above herein.In general, 40dB
Big continuing noise can make 10% people be affected；70dB can influence 50%；And moving noise is happened suddenly in 40dB, 10% can be made
People wakes up with a start, and during to 60dB, can wake up with a start 70% people.Long-term interference sleep can cause insomnia, tiredness, memory loss,
So that produce nervous breakdown etc..In high-noise environment, this sick incidence of disease is up to more than 60%.A kind of automobile is needed to fill
Put, the alarm sound pollution of corresponding acoustic pressure reduction hospital, school's surrounding environment is played by the noisy situation in the external world.
The content of the invention
It is existing to solve the technical problem to be solved by the invention is to provide a kind of automobile intelligent alarming horn circuit
The deficiency of technology, realize the timely prompting in driving procedure to driver.
The present invention solves above-mentioned technical problem, there is provided the technical scheme solved as follows：A kind of automobile intelligent alarming horn electricity
Road, the circuit include being used for driving the drive circuit of loudspeaker that loudspeaker sound, follow circuit, the voltage base for providing reference voltage
Quasi- circuit, the delayed playing circuit to be sounded for the loudspeaker that are delayed, for provide low-frequency oscillatory network that loudspeaker discontinuously alarm,
For providing the high-frequency oscillating circuits of horn frequency, the waveform feedback circuit for changing loudspeaker alarm tone color, for handling height
Frequency and low frequency signal and the playback process circuit of energy playing audio signal and the loudspeaker for prompting；Wherein, the low frequency shakes
Swing circuit with waveform feedback circuit to be connected, the waveform feedback circuit is connected with high-frequency oscillating circuits, the higher-order of oscillation
Circuit is connected with playback process circuit, and the high-frequency oscillating circuits is connected with voltage reference circuit, the voltage reference electricity
With following circuit to be connected, the voltage reference circuit is connected with delayed playing circuit, described to follow circuit and loudspeaker on road
Drive circuit is connected, and the drive circuit of loudspeaker is connected with loudspeaker.
In the automobile intelligent alarming horn circuit of the present invention, the voltage reference circuit includes the 9th amplifying circuit, the
Ten amplifying circuits, the 12nd amplifying circuit, the 13rd amplifying circuit, the 14th amplifying circuit and the 15th amplifying circuit；It is described
9th amplifying circuit is connected with the tenth amplifying circuit, and the tenth amplifying circuit is connected with the 14th amplifying circuit, described
14th amplifying circuit is connected with the 12nd amplifying circuit, and the 14th amplifying circuit is connected with the 15th amplifying circuit
Connect, the 15th amplifying circuit passes through the 13rd amplifying circuit and the 11st amplifying circuit, the 12nd amplifying circuit point
It is not connected with the 9th amplifying circuit, the tenth amplifying circuit, the 14th amplifying circuit and the 15th amplifying circuit, the described 15th
Amplifying circuit is connected with the 13rd amplifying circuit, and the 13rd amplifying circuit is with following circuit to be connected.
In the automobile intelligent alarming horn circuit of the present invention, the 12nd amplifying circuit includes the 12nd amplifier；
The positive input of 12nd amplifier is positive defeated with the anode of the 11st diode and the tenth amplifier respectively
Enter end to be connected, the positive input of the 12nd amplifier is connected to the positive pole phase of the 35th resistance and the 14th electric capacity
Connection, the reverse input end of the 12nd amplifier are connected with delayed playing circuit；12nd amplifier
Output end is connected with the second player.
In the automobile intelligent alarming horn circuit of the present invention, the 9th amplifying circuit includes the 32nd resistance, the
17 electric capacity, the tenth diode, the 11st diode, the 28th resistance, the 13rd electric capacity, the 35th resistance, the 14th
Electric capacity and the 9th amplifier；The reverse input end of 9th amplifier negative electrode and the 28th with the 11st diode respectively
The side of resistance is connected, and the opposite side of the 28th resistance is connected with the 13rd electric capacity side, the 13rd electricity
The opposite side of appearance is connected with the anode of the 11st diode, and the anode of the 11st diode is connected to the 35th resistance
And the 14th electric capacity anode between, the opposite side of the 35th resistance is connected with second source, it is described 14th electricity
The negative electrode of appearance is connected with reference ground；The positive input of 9th amplifier is connected with the negative electrode of the tenth diode, institute
State the anti-of the anode and the 9th amplifier of the 32nd resistance and the 17th electric capacity its one end and the tenth diode afterwards parallel with one another
It is connected to input, its other end is connected with the output end of the 9th amplifier.
In the automobile intelligent alarming horn circuit of the present invention, the tenth amplifying circuit includes the 15th electric capacity, the 3rd
13 resistance, the 30th resistance, the 9th diode, the 34th resistance, the 12nd diode, the 13rd diode, the eight or two
Pole pipe, the 38th resistance and the tenth amplifier；One end is put with the 9th after 15th electric capacity and the 33rd resistant series
The output end of big device is connected, and the other end is connected with the reverse input end of the tenth amplifier, the tenth amplifier
Positive input is connected with the 34th resistance, and the 34th resistance passes through the 13rd diode and the 12nd diode
It is connected after series connection with reference ground, the 9th diode and its one end after the 30th resistor coupled in parallel are reverse with the tenth amplifier
Input is connected, and its other end is connected with the output end of the tenth amplifier, the output end and the 8th of the tenth amplifier
The positive pole of diode is connected, and the negative pole of the 8th diode is connected with the 38th resistance.
It is described to follow circuit to include the 29th resistance and the 11st in the automobile intelligent alarming horn circuit of the present invention
Amplifier；The negative input of 11st amplifier is connected with its output end, the 11st amplifier it is positive defeated
Enter end by the 29th resistance with reference ground to be connected.
In the automobile intelligent alarming horn circuit of the present invention, the drive circuit of loudspeaker includes the 31st resistance, the
Five diodes, the 36th resistance, the 37th resistance, the second triode, the 22nd resistance, the 6th electric capacity and the three or three pole
Pipe；One end of 31st resistance is connected with the 11st amplifier out, the other end of the 31st resistance
It is connected with the base stage of the second triode, the emitter stage of second triode is connected with the 37th resistance, and described second
The colelctor electrode of triode is connected with the 22nd resistance, the other end of the 22nd resistance respectively with the 3rd triode
Base stage is connected with the 6th electric capacity, and the emitter stage of the 3rd triode is connected with the first power supply, the 3rd triode
Colelctor electrode is connected with the 6th electric capacity；The anode of 5th diode is connected to the base stage and the 31st electricity of the second triode
Between resistance, the negative electrode of the 5th diode is connected by the 36th resistance with reference ground.
In the automobile intelligent alarming horn circuit of the present invention, the waveform feedback circuit includes the 20th resistance, the 9th
Electric capacity, the 3rd diode, the second diode, the 7th amplifier, the 19th resistance, the 7th resistance, the 3rd electric capacity and the 6th amplification
Device；
20th resistance is connected with the colelctor electrode of the 3rd triode of the drive circuit of loudspeaker, and the described 20th
The opposite side of resistance is connected with the reverse input end of the 7th amplifier, the positive input and reference ground of the 7th amplifier
It is connected, reverse input end and the second diode anode, the 3rd diode anode and the 9th electric capacity phase of the 7th amplifier
Connection, the positive input of the 7th amplifier are connected with the second diode cathode, the 3rd diode cathode and the 9th electric capacity
Connect；
The output end of 7th amplifier is connected by the 19th resistance with second source, the 7th resistance and
Three electric capacity are in parallel after being connected with the 19th resistance, and the output end of the 6th amplifier is connected to the 7th amplifier out
And the 19th between resistance.
In the automobile intelligent alarming horn circuit of the present invention, the high-frequency oscillating circuits includes the 4th amplifier, the 3rd
Amplifier, the 8th amplifier, the 5th amplifier, the 14th resistance, the 12nd resistance, the 5th electric capacity, the 15th resistance, the 16th
Resistance, the 11st resistance, the 4th electric capacity, the tenth resistance, the 6th resistance and the first diode；
8th amplifier is connected with the first diode anode, and first diode cathode feeds back with the waveform
The output end of 7th amplifier of circuit is connected, and the reverse input end of the 5th amplifier passes through the 14th resistance and second
Power supply is connected, and the positive input of the 5th amplifier is connected by the 5th electric capacity with the positive input of the 8th amplifier
Connect, the positive input of the 5th amplifier is connected by the 15th resistance with the negative input of the 8th amplifier, institute
The output end for stating the 5th amplifier is connected by the 12nd resistance with the output end of the 8th amplifier, the 4th amplifier
Positive input is connected with the reverse input end of the 3rd amplifier, and the reverse input end of the 4th amplifier passes through the tenth electricity
Resistance is connected with the output end of the 8th amplifier；The reverse input end of 4th amplifier passes through the tenth resistance and second source
It is connected.
In the automobile intelligent alarming horn circuit of the present invention, the playback process circuit includes first resistor, the first electricity
Appearance, second resistance, 3rd resistor, the first amplifier and the first player；After the first resistor and the first electric capacity are in parallel
One end is connected with the reverse input end of first amplifier and the reverse input end of the first amplifier respectively, its other end with
Second source is connected, and the positive input of first amplifier is connected with the positive input of the 4th amplifier, described
The output end of first amplifier is connected by second resistance with second source, and the output end of first amplifier is broadcast with first
Device is put to be connected；One end of the 3rd resistor is connected between the 5th resistance and the 9th resistance, its other end and second source
It is connected.
In the automobile intelligent alarming horn circuit of the present invention, the low-frequency oscillatory network includes the 4th resistance, the 9th electricity
Resistance, the 5th resistance, the second electric capacity, the 8th resistance and the second amplifier；The reverse input end of second amplifier passes through second
Electric capacity is connected with reference ground, and the reverse input end of second amplifier is connected with the 5th resistance, the 5th resistance with
9th resistance is connected, and the 9th resistance is connected by the 4th resistance with second source, the forward direction of second amplifier
Input is connected by the 8th resistance with reference ground, and the 8th resistance is connected with the 4th resistance.
The present invention automobile intelligent alarming horn circuit in, the delayed playing circuit include the 4th player,
11st electric capacity, the 25th resistance, the 7th diode, the 26th resistance, the 21st resistance；4th player
Side of the one end respectively with the 11st capacitance cathode, the 7th diode cathode and the 25th resistance is connected, and the described 11st
The anode of electric capacity is connected with second source, and the opposite side of the 25th resistance is connected with the opposite side of the 4th player
Connect, the 26th resistance and the 21st resistance are connected, and the opposite side of the 21st resistance is connected with reference ground
Connect, the opposite side of the 26th resistance is connected with the first power supply, and the anode of the 7th diode is connected to the 20th
Between six resistance and the 21st resistance.
In the automobile intelligent alarming horn circuit of the present invention, the 14th amplifying circuit includes the second player, institute
The first end for stating the second player is connected with the output end of the tenth amplifier, and the second end of second player is connected to
Between one player and the 3rd player, the 3rd end of second player is connected with the 12nd amplifier.
In the automobile intelligent alarming horn circuit of the present invention, the 3rd player circuit includes the tenth electric capacity, second
14 resistance, the 23rd resistance, the 12nd electric capacity and the 3rd player；The first end of 3rd player passes through the 12nd
Electric capacity is connected with reference ground, and the second end of the 3rd player is connected with reference ground, and the 3rd of the 3rd player the
End is connected with the 23rd resistance, and the 23rd resistance is connected with the tenth electric capacity, and the tenth electric capacity is broadcast with second
Device is put to be connected, the side of the 24th resistance is connected between the tenth electric capacity and the 23rd resistance, its opposite side with
Reference ground is connected.
In the automobile intelligent alarming horn circuit of the present invention, first player circuit includes the first player；Institute
The first end for stating the first player is connected with the positive input of the 11st amplifier, the second end of first player with
The first end of 3rd player is connected, and the 3rd end of first player is connected with the first amplifier.
In the automobile intelligent alarming horn circuit of the present invention, the automobile intelligent alarming horn circuit also includes seamless electricity
Road；The seamless circuit includes the 6th diode, the 17th resistance, the 16th electric capacity, the 8th electric capacity, the 27th resistance, first
Triode, the 4th diode, the 18th resistance and the 7th electric capacity；The positive pole of 6th diode is connected with power supply, and it is cloudy
Pole is connected with the colelctor electrode of the first triode, and the emitter stage of first triode passes through the 18th resistance and second source phase
Connection, the other end of the 18th resistance are connected with the 7th capacitance cathode, the negative pole and reference ground phase of the 7th electric capacity
Connection, the positive pole of the 4th diode is connected with reference ground, and its negative electrode is connected with the base stage of the first triode, and described the
The colelctor electrode of one triode is connected with base stage by the 27th resistance, and the 16th electric capacity and the 8th electric capacity are parallel with one another
Its one end is connected between the 6th diode and the 27th resistance afterwards, and its other end is connected to the ground by the 17th resistance
Connect.
Implement the automobile intelligent alarming horn circuit of the present invention, have the advantages that：It is simple in construction, it is easy to operate,
Using the program, intelligent alarm is ideally realized.In, reduction sound pollution less compared with quiet place broadcasting acoustic pressure；Simultaneously
Outer signals are gathered by loudspeaker film when program ingenious use loudspeaker do not play, and then play suitable volume.
Brief description of the drawings
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing：
Fig. 1 is the structural representation of the automobile intelligent alarming horn circuit of the present invention.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, not
For limiting the present invention.
As shown in figure 1, the structural representation of the automobile intelligent alarming horn circuit for the present invention；A kind of automobile intelligent alarm
Horn circuit, the circuit include being used for driving the drive circuit of loudspeaker that loudspeaker sound, follow circuit, for providing reference voltage
Voltage reference circuit, the delayed playing circuit to be sounded for the loudspeaker that are delayed, shake for providing the low frequency that loudspeaker are discontinuously alarmed
Swing circuit, the high-frequency oscillating circuits for providing horn frequency, for change loudspeaker alarm tone color waveform feedback circuit, be used for
Handle the playback process circuit of high and low frequency signal and energy playing audio signal and the loudspeaker for prompting；Wherein, it is described
Low-frequency oscillatory network is connected with waveform feedback circuit, and the waveform feedback circuit is connected with high-frequency oscillating circuits, the height
Frequency oscillator circuit is connected with playback process circuit, and the high-frequency oscillating circuits is connected with voltage reference circuit, the voltage
With following circuit to be connected, the voltage reference circuit is connected reference circuit with delayed playing circuit, described to follow electricity
Road is connected with drive circuit of loudspeaker, and the drive circuit of loudspeaker is connected with loudspeaker.
In the automobile intelligent alarming horn circuit of the present invention, the voltage reference circuit includes the 9th amplifying circuit, the
Ten amplifying circuits, the 12nd amplifying circuit, the 13rd amplifying circuit, the 14th amplifying circuit and the 15th amplifying circuit；It is described
9th amplifying circuit is connected with the tenth amplifying circuit, and the tenth amplifying circuit is connected with the 14th amplifying circuit, described
14th amplifying circuit is connected with the 12nd amplifying circuit, and the 14th amplifying circuit is connected with the 15th amplifying circuit
Connect, the 15th amplifying circuit passes through the 13rd amplifying circuit and the 11st amplifying circuit, the 12nd amplifying circuit point
It is not connected with the 9th amplifying circuit, the tenth amplifying circuit, the 14th amplifying circuit and the 15th amplifying circuit, the described 15th
Amplifying circuit is connected with the 13rd amplifying circuit, and the 13rd amplifying circuit is with following circuit to be connected.
Wherein, the amplified signal that the voltage reference circuit is fed back by loudspeaker, the tenth is given by the second player
Two electric capacity charge.When the 13rd pin of the 12nd amplifier is low level (the 1 pin output of the second amplifier is low level),
Now loudspeaker do not play sound, the 14th pin output high level of the 12nd amplifier, the 5th pin of the second player
For high level, the 3rd pin of the second player and the 4th pin are led directly to, extraneous more noisy, bigger by loudspeaker feedback signal,
The capacity of 12nd electric capacity storage is bigger；When the 13rd pin of the 12nd amplifier is high level (the of the second amplifier
The output of one pin is high level) when, now loudspeaker play sound, and the 14th pin of the 12nd amplifier exports low level, the
5th pin of two players is low level, and the 3rd pin of the second player and the 4th pin disconnect, extraneous noisy again, also not
It can be charged for the electric capacity of electric capacity the 12nd, so as to inhibit self-excitation problem.In order to suppress self-excitation, the 5th of the second player draws every time
When pin is high level high level, the 6th pin of the 11st amplifier has the high level of a moment, the 11st amplifier
8th pin (ground connection) and the 9th pin are led directly to, i.e. the 12nd electric capacity electric discharge；
In the automobile intelligent alarming horn circuit of the present invention, the 12nd amplifying circuit includes the 12nd amplifier；
The positive input of 12nd amplifier is positive defeated with the anode of the 11st diode and the tenth amplifier respectively
Enter end to be connected, the positive input of the 12nd amplifier is connected to the positive pole phase of the 35th resistance and the 14th electric capacity
Connection, the reverse input end of the 12nd amplifier are connected with delayed playing circuit；12nd amplifier
Output end is connected with the second player.
In the automobile intelligent alarming horn circuit of the present invention, the 9th amplifying circuit includes the 32nd resistance, the
17 electric capacity, the tenth diode, the 11st diode, the 28th resistance, the 13rd electric capacity, the 35th resistance, the 14th
Electric capacity and the 9th amplifier；The reverse input end of 9th amplifier negative electrode and the 28th with the 11st diode respectively
The side of resistance is connected, and the opposite side of the 28th resistance is connected with the 13rd electric capacity side, the 13rd electricity
The opposite side of appearance is connected with the anode of the 11st diode, and the anode of the 11st diode is connected to the 35th resistance
And the 14th electric capacity anode between, the opposite side of the 35th resistance is connected with second source, it is described 14th electricity
The negative electrode of appearance is connected with reference ground；The positive input of 9th amplifier is connected with the negative electrode of the tenth diode, institute
State the anti-of the anode and the 9th amplifier of the 32nd resistance and the 17th electric capacity its one end and the tenth diode afterwards parallel with one another
It is connected to input, its other end is connected with the output end of the 9th amplifier.
In the automobile intelligent alarming horn circuit of the present invention, the tenth amplifying circuit includes the 15th electric capacity, the 3rd
13 resistance, the 30th resistance, the 9th diode, the 34th resistance, the 12nd diode, the 13rd diode, the eight or two
Pole pipe, the 38th resistance and the tenth amplifier；One end is put with the 9th after 15th electric capacity and the 33rd resistant series
The output end of big device is connected, and the other end is connected with the reverse input end of the tenth amplifier, the tenth amplifier
Positive input is connected with the 34th resistance, and the 34th resistance passes through the 13rd diode and the 12nd diode
It is connected after series connection with reference ground, the 9th diode and its one end after the 30th resistor coupled in parallel are reverse with the tenth amplifier
Input is connected, and its other end is connected with the output end of the tenth amplifier, the output end and the 8th of the tenth amplifier
The positive pole of diode is connected, and the negative pole of the 8th diode is connected with the 38th resistance.
It is described to follow circuit to include the 29th resistance and the 11st in the automobile intelligent alarming horn circuit of the present invention
Amplifier；The negative input of 11st amplifier is connected with its output end, the 11st amplifier it is positive defeated
Enter end by the 29th resistance with reference ground to be connected.
Preferably, the 29th resistance uses pull down resistor.
In the automobile intelligent alarming horn circuit of the present invention, the drive circuit of loudspeaker includes the 31st resistance, the
Five diodes, the 36th resistance, the 37th resistance, the second triode, the 22nd resistance, the 6th electric capacity and the three or three pole
Pipe；One end of 31st resistance is connected with the 11st amplifier out, the other end of the 31st resistance
It is connected with the base stage of the second triode, the emitter stage of second triode is connected with the 37th resistance, and described second
The colelctor electrode of triode is connected with the 22nd resistance, the other end of the 22nd resistance respectively with the 3rd triode
Base stage is connected with the 6th electric capacity, and the emitter stage of the 3rd triode is connected with the first power supply, the 3rd triode
Colelctor electrode is connected with the 6th electric capacity；The anode of 5th diode is connected to the base stage and the 31st electricity of the second triode
Between resistance, the negative electrode of the 5th diode is connected by the 36th resistance with reference ground.
In the automobile intelligent alarming horn circuit of the present invention, the waveform feedback circuit includes the 20th resistance, the 9th
Electric capacity, the 3rd diode, the second diode, the 7th amplifier, the 19th resistance, the 7th resistance, the 3rd electric capacity and the 6th amplification
Device；
20th resistance is connected with the colelctor electrode of the 3rd triode of the drive circuit of loudspeaker, and the described 20th
The opposite side of resistance is connected with the reverse input end of the 7th amplifier, the positive input and reference ground of the 7th amplifier
It is connected, reverse input end and the second diode anode, the 3rd diode anode and the 9th electric capacity phase of the 7th amplifier
Connection, the positive input of the 7th amplifier are connected with the second diode cathode, the 3rd diode cathode and the 9th electric capacity
Connect；
The output end of 7th amplifier is connected by the 19th resistance with second source, the 7th resistance and
Three electric capacity are in parallel after being connected with the 19th resistance, and the output end of the 6th amplifier is connected to the 7th amplifier out
And the 19th between resistance.
In the automobile intelligent alarming horn circuit of the present invention, the high-frequency oscillating circuits includes the 4th amplifier, the 3rd
Amplifier, the 8th amplifier, the 5th amplifier, the 14th resistance, the 12nd resistance, the 5th electric capacity, the 15th resistance, the 16th
Resistance, the 11st resistance, the 4th electric capacity, the tenth resistance, the 6th resistance and the first diode；
8th amplifier is connected with the first diode anode, and first diode cathode feeds back with the waveform
The output end of 7th amplifier of circuit is connected, and the reverse input end of the 5th amplifier passes through the 14th resistance and second
Power supply is connected, and the positive input of the 5th amplifier is connected by the 5th electric capacity with the positive input of the 8th amplifier
Connect, the positive input of the 5th amplifier is connected by the 15th resistance with the negative input of the 8th amplifier, institute
The output end for stating the 5th amplifier is connected by the 12nd resistance with the output end of the 8th amplifier, the 4th amplifier
Positive input is connected with the reverse input end of the 3rd amplifier, and the reverse input end of the 4th amplifier passes through the tenth electricity
Resistance is connected with the output end of the 8th amplifier；The reverse input end of 4th amplifier passes through the tenth resistance and second source
It is connected.
In the automobile intelligent alarming horn circuit of the present invention, the playback process circuit includes first resistor, the first electricity
Appearance, second resistance, 3rd resistor, the first amplifier and the first player；After the first resistor and the first electric capacity are in parallel
One end is connected with the reverse input end of first amplifier and the reverse input end of the first amplifier respectively, its other end with
Second source is connected, and the positive input of first amplifier is connected with the positive input of the 4th amplifier, described
The output end of first amplifier is connected by second resistance with second source, and the output end of first amplifier is broadcast with first
Device is put to be connected；One end of the 3rd resistor is connected between the 5th resistance and the 9th resistance, its other end and second source
It is connected.
Preferably, the first player is that control plays audio, and the 13rd pin of the first player is audio input pin,
Audio is made up of high-frequency audio and low frequency audio, and high-frequency audio is the frequency of loudspeaker alarm, and low frequency audio is that loudspeaker are discontinuously alarmed
Frequency.12nd electric capacity is to provide volume, and the sound of the bigger broadcasting of capacity is bigger existing for the 12nd electric capacity.
Wherein, the second resistance is pull-up resistor, and high and low frequency is handled by the first amplifier, and output one is broadcast
Audio signal is put, by controlling the 13rd pin of the first player, plays alarm sound.
In the automobile intelligent alarming horn circuit of the present invention, the low-frequency oscillatory network includes the 4th resistance, the 9th electricity
Resistance, the 5th resistance, the second electric capacity, the 8th resistance and the second amplifier；The reverse input end of second amplifier passes through second
Electric capacity is connected with reference ground, and the reverse input end of second amplifier is connected with the 5th resistance, the 5th resistance with
9th resistance is connected, and the 9th resistance is connected by the 4th resistance with second source, the forward direction of second amplifier
Input is connected by the 8th resistance with reference ground, and the 8th resistance is connected with the 4th resistance.
The present invention automobile intelligent alarming horn circuit in, the delayed playing circuit include the 4th player,
11st electric capacity, the 25th resistance, the 7th diode, the 26th resistance, the 21st resistance；4th player
Side of the one end respectively with the 11st capacitance cathode, the 7th diode cathode and the 25th resistance is connected, and the described 11st
The anode of electric capacity is connected with second source, and the opposite side of the 25th resistance is connected with the opposite side of the 4th player
Connect, the 26th resistance and the 21st resistance are connected, and the opposite side of the 21st resistance is connected with reference ground
Connect, the opposite side of the 26th resistance is connected with the first power supply, and the anode of the 7th diode is connected to the 20th
Between six resistance and the 21st resistance.
Preferably, the delayed playing circuit ensures that upper electric horn commences play out sound minimum and (solved more quiet
Electric alarm is too loudly in the localities).12nd pin of the 4th player is high level when upper electric, the 11st pin (ground connection) and
Tenth pin is led directly to, i.e., the 13rd pin of the 12nd amplifier is high for the 14th pin output of the amplifier of low level the 12nd
Level, the 5th pin of the second player is high level, and now loudspeaker do not play sound.
In the automobile intelligent alarming horn circuit of the present invention, the 14th amplifying circuit includes the second player, institute
The first end for stating the second player is connected with the output end of the tenth amplifier, and the second end of second player is connected to
Between one player and the 3rd player, the 3rd end of second player is connected with the 12nd amplifier.
In the automobile intelligent alarming horn circuit of the present invention, the 3rd player circuit includes the tenth electric capacity, second
14 resistance, the 23rd resistance, the 12nd electric capacity and the 3rd player；The first end of 3rd player passes through the 12nd
Electric capacity is connected with reference ground, and the second end of the 3rd player is connected with reference ground, and the 3rd of the 3rd player the
End is connected with the 23rd resistance, and the 23rd resistance is connected with the tenth electric capacity, and the tenth electric capacity is broadcast with second
Device is put to be connected, the side of the 24th resistance is connected between the tenth electric capacity and the 23rd resistance, its opposite side with
Reference ground is connected.
In the automobile intelligent alarming horn circuit of the present invention, first player circuit includes the first player；Institute
The first end for stating the first player is connected with the positive input of the 11st amplifier, the second end of first player with
The first end of 3rd player is connected, and the 3rd end of first player is connected with the first amplifier.
In the automobile intelligent alarming horn circuit of the present invention, the automobile intelligent alarming horn circuit also includes seamless electricity
Road；The seamless circuit includes the 6th diode, the 17th resistance, the 16th electric capacity, the 8th electric capacity, the 27th resistance, first
Triode, the 4th diode, the 18th resistance and the 7th electric capacity；The positive pole of 6th diode is connected with power supply, and it is cloudy
Pole is connected with the colelctor electrode of the first triode, and the emitter stage of first triode passes through the 18th resistance and second source phase
Connection, the other end of the 18th resistance are connected with the 7th capacitance cathode, the negative pole and reference ground phase of the 7th electric capacity
Connection, the positive pole of the 4th diode is connected with reference ground, and its negative electrode is connected with the base stage of the first triode, and described the
The colelctor electrode of one triode is connected with base stage by the 27th resistance, and the 16th electric capacity and the 8th electric capacity are parallel with one another
Its one end is connected between the 6th diode and the 27th resistance afterwards, and its other end is connected to the ground by the 17th resistance
Connect.
Compared with prior art, implement the automobile intelligent alarming horn circuit of the present invention, have the advantages that：Structure
Simply, it is easy to operate, using the program, ideally realize intelligent alarm.In less, the reduction compared with quiet place broadcasting acoustic pressure
Sound pollutes；Outer signals are gathered by loudspeaker film when program ingenious use loudspeaker do not play simultaneously, and then played properly
Volume.
Embodiment described above only expresses embodiments of the present invention, and its description is more specific and detailed, but can not
Therefore it is interpreted as the limitation to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art,
Without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection model of the present invention
Enclose.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (14)
1. a kind of automobile intelligent alarming horn circuit, it is characterised in that the circuit includes being used to move the loudspeaker driving that loudspeaker sound
Circuit, follow circuit, the voltage reference circuit for providing reference voltage, play electricity for the delayed that the loudspeaker that are delayed sound
Road, for providing low-frequency oscillatory network, the high-frequency oscillating circuits for providing horn frequency that loudspeaker discontinuously alarm, for changing
The waveform feedback circuit of loudspeaker alarm tone color, the playback process electricity for handling high and low frequency signal and energy playing audio signal
Road and the loudspeaker for prompting；Wherein, the low-frequency oscillatory network is connected with waveform feedback circuit, the waveform feedback
Circuit is connected with high-frequency oscillating circuits, and the high-frequency oscillating circuits is connected with playback process circuit, the higher-order of oscillation electricity
Road is connected with voltage reference circuit, the voltage reference circuit with following circuit to be connected, the voltage reference circuit with it is upper
Electricity delay playing circuit is connected, described to follow circuit to be connected with drive circuit of loudspeaker, the drive circuit of loudspeaker and loudspeaker
It is connected；
Pass through pole pipe, high frequency oscillation circuit between the input of the low frequency oscillation circuit and the output end of waveform feedback circuit
4th amplifier, playback process circuit the first amplifier and resistance after be input to again in low frequency oscillation circuit second amplification
The inverting input cause for gossip of device is now electrically connected with；
Pass through the first of playback process circuit between the output end of the high frequency oscillation circuit and the output end of voltage reference circuit
Amplifier, the first player U4A, the second player U4B, the 3rd player U4C, which are realized, to be electrically connected with.
2. automobile intelligent alarming horn circuit according to claim 1, it is characterised in that the voltage reference circuit includes
9th amplifying circuit, the tenth amplifying circuit, the 12nd amplifying circuit, the 13rd amplifying circuit, the 14th amplifying circuit and the tenth
Five amplifying circuits；9th amplifying circuit is connected with the tenth amplifying circuit, the tenth amplifying circuit and the 14th amplification
Circuit is connected, and the 14th amplifying circuit is connected with the 12nd amplifying circuit, the 14th amplifying circuit and the tenth
Five amplifying circuits are connected, and the 15th amplifying circuit is by the 13rd amplifying circuit and the 11st amplifying circuit, and described
12 amplifying circuits respectively with the 9th amplifying circuit, the tenth amplifying circuit, the 14th amplifying circuit and the 15th amplifying circuit phase
Connection, the 15th amplifying circuit are connected with the 13rd amplifying circuit, and the 13rd amplifying circuit is with following circuit phase
Connection；
Also include the 3rd player circuit and the first player circuit, the 3rd player circuit includes the tenth electric capacity, second
14 resistance, the 23rd resistance, the 12nd electric capacity and the 3rd player；The first end of 3rd player passes through the 12nd
Electric capacity is connected with reference ground, and the second end of the 3rd player is connected with reference ground, and the 3rd of the 3rd player the
End is connected with the 23rd resistance, and the 23rd resistance is connected with the tenth electric capacity, and the tenth electric capacity is broadcast with second
Device is put to be connected, the side of the 24th resistance is connected between the tenth electric capacity and the 23rd resistance, its opposite side with
Reference ground is connected；
First player circuit includes the first player；The first end of first player and the 11st amplifier are just
It is connected to input, the second end of first player is connected with the first end of the 3rd player, and described first plays
3rd end of device is connected with the first amplifier.
3. automobile intelligent alarming horn circuit according to claim 2, it is characterised in that the 12nd amplifying circuit bag
Include the 12nd amplifier；The positive input of 12nd amplifier amplifies with the anode of the 11st diode and the tenth respectively
The positive input of device is connected, and the positive input of the 12nd amplifier is connected to the 35th resistance and the 14th electricity
The positive pole of appearance is connected, and the reverse input end of the 12nd amplifier is connected with delayed playing circuit；Described tenth
The output end of two amplifiers is connected with the second player.
4. automobile intelligent alarming horn circuit according to claim 2, it is characterised in that the 9th amplifying circuit includes
32nd resistance, the 17th electric capacity, the tenth diode, the 11st diode, the 28th resistance, the 13rd electric capacity, the 3rd
15 resistance, the 14th electric capacity and the 9th amplifier；The reverse input end of 9th amplifier respectively with the 11st diode
Negative electrode and the side of the 28th resistance be connected, the opposite side of the 28th resistance is connected with the 13rd electric capacity side
Connect, the opposite side of the 13rd electric capacity is connected with the anode of the 11st diode, and the anode of the 11st diode connects
It is connected between the 35th resistance and the anode of the 14th electric capacity, the opposite side of the 35th resistance is connected with second source
Connect, the negative electrode of the 14th electric capacity is connected with reference ground；The positive input and the tenth diode of 9th amplifier
Negative electrode be connected, after the 32nd resistance and the 17th electric capacity are parallel with one another the anode of its one end and the tenth diode and
The reverse input end of 9th amplifier is connected, and its other end is connected with the output end of the 9th amplifier.
5. automobile intelligent alarming horn circuit according to claim 3, it is characterised in that the tenth amplifying circuit includes
15th electric capacity, the 33rd resistance, the 30th resistance, the 9th diode, the 34th resistance, the 12nd diode, the tenth
Three diodes, the 8th diode, the 38th resistance and the tenth amplifier；15th electric capacity and the 33rd resistant series
One end is connected with the output end of the 9th amplifier afterwards, and the other end is connected with the reverse input end of the tenth amplifier, institute
The positive input for stating the tenth amplifier is connected with the 34th resistance, and the 34th resistance passes through the 13rd diode
It is connected with after the 12nd Diode series with reference ground, its one end and the after the 9th diode and the 30th resistor coupled in parallel
The reverse input end of ten amplifiers is connected, and its other end is connected with the output end of the tenth amplifier, the tenth amplifier
Output end be connected with the positive pole of the 8th diode, the negative pole of the 8th diode is connected with the 38th resistance.
6. automobile intelligent alarming horn circuit according to claim 3, it is characterised in that described to follow circuit to include second
19 resistance and the 11st amplifier；The negative input of 11st amplifier is connected with its output end, and the described tenth
The positive input of one amplifier is connected by the 29th resistance with reference ground.
7. automobile intelligent alarming horn circuit according to claim 5, it is characterised in that the drive circuit of loudspeaker includes
31st resistance, the 5th diode, the 36th resistance, the 37th resistance, the second triode, the 22nd resistance,
Six electric capacity and the 3rd triode；One end of 31st resistance is connected with the 11st amplifier out, and the described 3rd
The other end of 11 resistance is connected with the base stage of the second triode, the emitter stage and the 37th resistance of second triode
It is connected, the colelctor electrode of second triode is connected with the 22nd resistance, the other end point of the 22nd resistance
It is not connected with the base stage of the 3rd triode and the 6th electric capacity, the emitter stage of the 3rd triode is connected with the first power supply,
The colelctor electrode of 3rd triode is connected with the 6th electric capacity；The anode of 5th diode is connected to the second triode
Between base stage and the 31st resistance, the negative electrode of the 5th diode is connected by the 36th resistance with reference ground.
8. automobile intelligent alarming horn circuit according to claim 6, it is characterised in that the waveform feedback circuit includes
20th resistance, the 9th electric capacity, the 3rd diode, the second diode, the 7th amplifier, the 19th resistance, the 7th resistance, the 3rd
Electric capacity and the 6th amplifier；
20th resistance is connected with the colelctor electrode of the 3rd triode of the drive circuit of loudspeaker, the 20th resistance
Opposite side be connected with the reverse input end of the 7th amplifier, the positive input of the 7th amplifier is connected with reference ground
Connecing, the reverse input end of the 7th amplifier is connected with the second diode anode, the 3rd diode anode and the 9th electric capacity,
The positive input of 7th amplifier is connected with the second diode cathode, the 3rd diode cathode and the 9th electric capacity；
The output end of 7th amplifier is connected by the 19th resistance with second source, the 7th resistance and the 3rd electricity
Appearance is in parallel after being connected with the 19th resistance, and the output end of the 6th amplifier is connected to the 7th amplifier out and the
Between 19 resistance.
9. automobile intelligent alarming horn circuit according to claim 7, it is characterised in that the high-frequency oscillating circuits includes
4th amplifier, the 3rd amplifier, the 8th amplifier, the 5th amplifier, the 14th resistance, the 12nd resistance, the 5th electric capacity,
15 resistance, the 16th resistance, the 11st resistance, the 4th electric capacity, the tenth resistance, the 6th resistance and the first diode；
8th amplifier is connected with the first diode anode, first diode cathode and the waveform feedback circuit
The output end of the 7th amplifier be connected, the reverse input end of the 5th amplifier passes through the 14th resistance and second source
It is connected, the positive input of the 5th amplifier is connected by the 5th electric capacity with the positive input of the 8th amplifier,
The positive input of 5th amplifier is connected by the 15th resistance with the negative input of the 8th amplifier, and described
The output end of five amplifiers is connected by the 12nd resistance with the output end of the 8th amplifier, the forward direction of the 4th amplifier
Input is connected with the reverse input end of the 3rd amplifier, the reverse input end of the 4th amplifier by the tenth resistance with
The output end of 8th amplifier is connected；The reverse input end of 4th amplifier is connected by the tenth resistance with second source
Connect.
10. automobile intelligent alarming horn circuit according to claim 8, it is characterised in that the playback process circuit bag
Include first resistor, the first electric capacity, second resistance, 3rd resistor, the first amplifier and the first player；The first resistor and
One electric capacity be in parallel after one end respectively with the reverse input end of first amplifier and the reverse input end of the first amplifier
It is connected, its other end is connected with second source, the positive input of first amplifier and the forward direction of the 4th amplifier
Input is connected, and the output end of first amplifier is connected by second resistance with second source, first amplification
The output end of device is connected with the first player；One end of the 3rd resistor is connected between the 5th resistance and the 9th resistance,
Its other end is connected with second source.
11. the automobile intelligent alarming horn circuit according to claim 1 or 9, it is characterised in that the low-frequency oscillatory network
Including the 4th resistance, the 9th resistance, the 5th resistance, the second electric capacity, the 8th resistance and the second amplifier；Second amplifier
Reverse input end is connected by the second electric capacity with reference ground, and the reverse input end of second amplifier is connected with the 5th resistance
Connect, the 5th resistance is connected with the 9th resistance, and the 9th resistance is connected by the 4th resistance with second source, described
The positive input of second amplifier is connected by the 8th resistance with reference ground, and the 8th resistance is connected with the 4th resistance
Connect.
12. automobile intelligent alarming horn circuit according to claim 1, it is characterised in that the delayed plays electricity
Road includes the 4th player, the 11st electric capacity, the 25th resistance, the 7th diode, the 26th resistance, the 21st electricity
Resistance；One end of 4th player respectively with the 11st capacitance cathode, the 7th diode cathode and the 25th resistance one
Side is connected, and the anode of the 11st electric capacity is connected with second source, the opposite side and the 4th of the 25th resistance
The opposite side of player is connected, and the 26th resistance and the 21st resistance are connected, the 21st resistance
Opposite side is connected with reference ground, and the opposite side of the 26th resistance is connected with the first power supply, the 7th diode
Anode be connected between the 26th resistance and the 21st resistance.
13. the automobile intelligent alarming horn circuit according to Claims 2 or 3 or 5, it is characterised in that the described 14th puts
Big circuit includes the second player, and the first end of second player is connected with the output end of the tenth amplifier, and described the
Second end of two players is connected between the first player and the 3rd player, the 3rd end of second player with it is described
12nd amplifier is connected；
It is to be connected by diode with resistance between the first end of second player and the output end of the tenth amplifier.
14. automobile intelligent alarming horn circuit according to claim 1, it is characterised in that the automobile intelligent alarm loudspeaker
Circuit also includes seamless circuit；The seamless circuit include the 6th diode, the 17th resistance, the 16th electric capacity, the 8th electric capacity,
27th resistance, the first triode, the 4th diode, the 18th resistance and the 7th electric capacity；The positive pole of 6th diode
It is connected with power supply, its negative electrode is connected with the colelctor electrode of the first triode, and the emitter stage of first triode passes through the tenth
Eight resistance are connected with second source, and the other end of the 18th resistance is connected with the 7th capacitance cathode, the 7th electricity
The negative pole of appearance is connected with reference ground, and the positive pole of the 4th diode is connected with reference ground, its negative electrode and the first triode
Base stage be connected, the colelctor electrode of first triode is connected with base stage by the 27th resistance, it is described 16th electricity
Hold and the 8th electric capacity rear its one end parallel with one another is connected between the 6th diode and the 27th resistance, its other end leads to
The 17th resistance is crossed to be connected to the ground.
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| CN201510484219.8A CN105187989B (en) | 2015-08-07 | 2015-08-07 | A kind of automobile intelligent alarming horn circuit |
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| CN201510484219.8A CN105187989B (en) | 2015-08-07 | 2015-08-07 | A kind of automobile intelligent alarming horn circuit |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2603478Y (en) * | 2003-03-06 | 2004-02-11 | 甘永平 | Environment protection type electric controlled horn for car |
| JP2011255830A (en) * | 2010-06-11 | 2011-12-22 | Sumitomo Electric Ind Ltd | Vehicle approach information device |
| CN203402055U (en) * | 2013-07-24 | 2014-01-22 | 北京汽车研究总院有限公司 | Automobile horn with volume adjustable, volume controller and automobile |
| CN104242849A (en) * | 2014-08-25 | 2014-12-24 | 浙江工业大学 | Automatic volume adjustment method and device of vehicle-mounted player of bus |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6804565B2 (en) * | 2001-05-07 | 2004-10-12 | Harman International Industries, Incorporated | Data-driven software architecture for digital sound processing and equalization |
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2015
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2603478Y (en) * | 2003-03-06 | 2004-02-11 | 甘永平 | Environment protection type electric controlled horn for car |
| JP2011255830A (en) * | 2010-06-11 | 2011-12-22 | Sumitomo Electric Ind Ltd | Vehicle approach information device |
| CN203402055U (en) * | 2013-07-24 | 2014-01-22 | 北京汽车研究总院有限公司 | Automobile horn with volume adjustable, volume controller and automobile |
| CN104242849A (en) * | 2014-08-25 | 2014-12-24 | 浙江工业大学 | Automatic volume adjustment method and device of vehicle-mounted player of bus |
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| CN105187989A (en) | 2015-12-23 |
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