CN105187989A - Automobile intelligent alarm horn circuit - Google Patents
Automobile intelligent alarm horn circuit Download PDFInfo
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- CN105187989A CN105187989A CN201510484219.8A CN201510484219A CN105187989A CN 105187989 A CN105187989 A CN 105187989A CN 201510484219 A CN201510484219 A CN 201510484219A CN 105187989 A CN105187989 A CN 105187989A
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Abstract
The invention discloses an automobile intelligent alarm horn circuit. The circuit comprises a horn driving circuit, a follower circuit, a voltage reference circuit, a power-on delay playing circuit, a low-frequency oscillating circuit, a high-frequency oscillating circuit, a waveform feedback circuit, a playing processing circuit and a horn, wherein the low-frequency oscillating circuit is connected with the waveform feedback circuit; the waveform feedback circuit is connected with the high-frequency oscillating circuit; the high-frequency oscillating circuit is connected with the playing processing circuit and the voltage reference circuit respectively; the voltage reference circuit is connected with the follower circuit and the power-on delay playing circuit respectively; the follower circuit is connected with the horn driving circuit; and the horn driving circuit is connected with the horn. The automobile intelligent alarm horn circuit has the beneficial effects of simple structure, convenience in operation and realization of intelligent alarm. During playing at a silent place, the playing sound pressure is low, so that sound pollution is lowered. Meanwhile, an external signal is acquired skillfully through a horn film when the horn is not used for playing, so that an appropriate volume is played.
Description
Technical field
The present invention relates to field of automobile control, more particularly, relate to a kind of automobile intelligent alarming horn circuit.
Background technology
Automobile is current the most widely used a kind of vehicles, and noise is called as the new public hazards in city, statistics display, the noise that automobile produces even accounted for city noise 85%! When running car is on road, internal combustion engine, loudspeaker, tire etc. all can send much noise, have a strong impact on the healthy of people.Road traffic noise and type of vehicle, road conditions, motoring condition, the magnitude of traffic flow etc. are closely related.At present, road traffic noise has become the important topic of Harnessing City Pollution.
Scientists thinks that 40dB is normal ambient sound, is exactly harmful noise more than this.In general, the large continuous noise of 40dB can make the people of 10% be affected; 70dB can affect 50%; And happen suddenly moving noise when 40dB, the people of 10% can be made to wake up with a start, during to 60dB, the people of 70% can be made to wake up with a start.Long-term interference sleep can cause insomnia, tiredness, be losing one's memory, so that produce nervous breakdown etc.In high-noise environment, the incidence of disease of this disease can reach more than 60%.Need a kind of automotive fittings, play by the noisy situation in the external world chimes of doom pollution that corresponding acoustic pressure reduces hospital, school's surrounding environment.
Summary of the invention
Technical problem to be solved by this invention is, provides a kind of automobile intelligent alarming horn circuit, in order to solve the deficiencies in the prior art, achieves the timely prompting of driver in driving procedure.
The present invention solves the problems of the technologies described above, there is provided the following technical scheme solved: a kind of automobile intelligent alarming horn circuit, this circuit comprises the drive circuit of loudspeaker for driving loudspeaker to sound, follow circuit, for providing the voltage reference circuit of reference voltage, for the delayed playing circuit that time delay loudspeaker sound, the low-frequency oscillatory network of intermittently reporting to the police for providing loudspeaker, for providing the high-frequency oscillating circuits of horn frequency, for changing the waveform feedback circuit of loudspeaker warning tone color, for the treatment of high and low frequency signal and can the playback process circuit of playing audio signal, and the loudspeaker for reminding, wherein, described low-frequency oscillatory network is connected with waveform feedback circuit, described waveform feedback circuit is connected with high-frequency oscillating circuits, described high-frequency oscillating circuits is connected with playback process circuit, described high-frequency oscillating circuits is connected with voltage reference circuit, and described voltage reference circuit is connected with follow circuit, and described voltage reference circuit is connected with delayed playing circuit, described follow circuit is connected with drive circuit of loudspeaker, and described drive circuit of loudspeaker is connected with loudspeaker.
In automobile intelligent alarming horn circuit of the present invention, described voltage reference circuit comprises the 9th amplifying circuit, the tenth amplifying circuit, the 12 amplifying circuit, the 13 amplifying circuit, the 14 amplifying circuit and the 15 amplifying circuit, described 9th amplifying circuit is connected with the tenth amplifying circuit, described tenth amplifying circuit is connected with the 14 amplifying circuit, described 14 amplifying circuit is connected with the 12 amplifying circuit, described 14 amplifying circuit is connected with the 15 amplifying circuit, described 15 amplifying circuit is by the 13 amplifying circuit and the 11 amplifying circuit, described 12 amplifying circuit respectively with the 9th amplifying circuit, tenth amplifying circuit, 14 amplifying circuit is connected with the 15 amplifying circuit, described 15 amplifying circuit is connected with the 13 amplifying circuit, described 13 amplifying circuit is connected with follow circuit.
In automobile intelligent alarming horn circuit of the present invention, described 12 amplifying circuit comprises the 12 amplifier; The positive input of described 12 amplifier is connected with the positive input of the tenth amplifier with the anode of described 11 diode respectively, the positive input of described 12 amplifier is connected to the 35 resistance and is connected with the positive pole of the 14 electric capacity, and the reverse input end of described 12 amplifier is connected with delayed playing circuit; The output of described 12 amplifier is connected with the second player.
In automobile intelligent alarming horn circuit of the present invention, described 9th amplifying circuit comprises the 32 resistance, the 17 electric capacity, the tenth diode, the 11 diode, the 28 resistance, the 13 electric capacity, the 35 resistance, the 14 electric capacity and the 9th amplifier; The reverse input end of described 9th amplifier is connected with the side of the 28 resistance with the negative electrode of the 11 diode respectively, the opposite side of described 28 resistance is connected with the 13 electric capacity side, the opposite side of described 13 electric capacity is connected with the anode of the 11 diode, the anode of described 11 diode is connected between the 35 resistance and the anode of the 14 electric capacity, the opposite side of described 35 resistance is connected with second source, and the negative electrode of described 14 electric capacity is connected with reference to ground; The positive input of described 9th amplifier is connected with the negative electrode of the tenth diode, described 32 resistance is connected with the reverse input end of the 9th amplifier with the anode of the tenth diode with the 17 electric capacity its one end rear parallel with one another, and its other end is connected with the output of the 9th amplifier.
In automobile intelligent alarming horn circuit of the present invention, described tenth amplifying circuit comprises the 15 electric capacity, the 33 resistance, the 30 resistance, the 9th diode, the 34 resistance, the 12 diode, the 13 diode, the 8th diode, the 38 resistance and the tenth amplifier, described 15 electric capacity is connected with the output of the 9th amplifier with one end after the 33 resistant series, the other end is connected with the reverse input end of described tenth amplifier, the positive input of described tenth amplifier is connected with the 34 resistance, described 34 resistance by after the 13 diode and the 12 Diode series with reference to be connected, described 9th diode is connected with the reverse input end of the tenth amplifier with its one end after the 30 resistor coupled in parallel, its other end is connected with the output of the tenth amplifier, the output of described tenth amplifier is connected with the positive pole of the 8th diode, the negative pole of described 8th diode is connected with the 38 resistance.
In automobile intelligent alarming horn circuit of the present invention, described follow circuit comprises the 29 resistance and the 11 amplifier; The negative input of described 11 amplifier is connected with its output, the positive input of described 11 amplifier by the 29 resistance with reference to be connected.
In automobile intelligent alarming horn circuit of the present invention, described drive circuit of loudspeaker comprises the 31 resistance, the 5th diode, the 36 resistance, the 37 resistance, the second triode, the 22 resistance, the 6th electric capacity and the 3rd triode; One end of described 31 resistance is connected with the 11 amplifier out, the other end of described 31 resistance is connected with the base stage of the second triode, the emitter of described second triode is connected with the 37 resistance, the collector electrode of described second triode is connected with the 22 resistance, the other end of described 22 resistance is connected with the 6th electric capacity with the base stage of the 3rd triode respectively, the emitter of described 3rd triode is connected with the first power supply, and the collector electrode of described 3rd triode is connected with the 6th electric capacity; The anode of described 5th diode is connected between the base stage of the second triode and the 31 resistance, the negative electrode of described 5th diode by the 36 resistance with reference to be connected.
In automobile intelligent alarming horn circuit of the present invention, described waveform feedback circuit comprises the 20 resistance, the 9th electric capacity, the 3rd diode, the second diode, the 7th amplifier, the 19 resistance, the 7th resistance, the 3rd electric capacity and the 6th amplifier;
Described 20 resistance is connected with the collector electrode of the 3rd triode of described drive circuit of loudspeaker, the opposite side of described 20 resistance is connected with the reverse input end of the 7th amplifier, the positive input of described 7th amplifier is connected with reference to ground, the reverse input end of described 7th amplifier is connected with the 9th electric capacity with the second diode anode, the 3rd diode anode, and the positive input of described 7th amplifier is connected with the 9th electric capacity with the second diode cathode, the 3rd diode cathode;
The output of described 7th amplifier is connected with second source by the 19 resistance, be in parallel with the 19 resistance after described 7th resistance is connected with the 3rd electric capacity, the output of described 6th amplifier is connected between the 7th amplifier out and the 19 resistance.
In automobile intelligent alarming horn circuit of the present invention, described high-frequency oscillating circuits comprises the 4th amplifier, the 3rd amplifier, the 8th amplifier, the 5th amplifier, the 14 resistance, the 12 resistance, the 5th electric capacity, the 15 resistance, the 16 resistance, the 11 resistance, the 4th electric capacity, the tenth resistance, the 6th resistance and the first diode;
Described 8th amplifier is connected with the first diode anode, described first diode cathode is connected with the output of the 7th amplifier of described waveform feedback circuit, the reverse input end of described 5th amplifier is connected with second source by the 14 resistance, the positive input of described 5th amplifier is connected by the positive input of the 5th electric capacity with the 8th amplifier, the positive input of described 5th amplifier is connected by the negative input of the 15 resistance with the 8th amplifier, the output of described 5th amplifier is connected by the output of the 12 resistance with the 8th amplifier, the positive input of described 4th amplifier is connected with the reverse input end of the 3rd amplifier, the reverse input end of described 4th amplifier is connected by the output of the tenth resistance with the 8th amplifier, the reverse input end of described 4th amplifier is connected with second source by the tenth resistance.
In automobile intelligent alarming horn circuit of the present invention, described playback process circuit comprises the first resistance, the first electric capacity, the second resistance, the 3rd resistance, the first amplifier and the first player; One end after described first resistance is in parallel with the first electric capacity is connected with the reverse input end of the first amplifier with the reverse input end of described first amplifier respectively, its other end is connected with second source, the positive input of described first amplifier is connected with the positive input of the 4th amplifier, the output of described first amplifier is connected with second source by the second resistance, and the output of described first amplifier is connected with the first player; One end of described 3rd resistance is connected between the 5th resistance and the 9th resistance, and its other end is connected with second source.
In automobile intelligent alarming horn circuit of the present invention, described low-frequency oscillatory network comprises the 4th resistance, the 9th resistance, the 5th resistance, the second electric capacity, the 8th resistance and the second amplifier; The reverse input end of described second amplifier by the second electric capacity with reference to be connected, the reverse input end of described second amplifier is connected with the 5th resistance, described 5th resistance is connected with the 9th resistance, described 9th resistance is connected with second source by the 4th resistance, the positive input of described second amplifier by the 8th resistance with reference to be connected, described 8th resistance is connected with the 4th resistance.
In automobile intelligent alarming horn circuit of the present invention, described delayed playing circuit comprises the 4th player, the 11 electric capacity, the 25 resistance, the 7th diode, the 26 resistance, the 21 resistance, one end of described 4th player respectively with the 11 capacitance cathode, 7th diode cathode is connected with the side of the 25 resistance, the anode of described 11 electric capacity is connected with second source, the opposite side of described 25 resistance is connected with the opposite side of the 4th player, described 26 resistance is connected with the 21 resistance, the opposite side of described 21 resistance is connected with reference to ground, the opposite side of described 26 resistance is connected with the first power supply, the anode of described 7th diode is connected between the 26 resistance and the 21 resistance.
In automobile intelligent alarming horn circuit of the present invention, described 14 amplifying circuit comprises the second player, the first end of described second player is connected with the output of the tenth amplifier, second end of described second player is connected between the first player and the 3rd player, and the 3rd end of described second player is connected with described 12 amplifier.
In automobile intelligent alarming horn circuit of the present invention, described 3rd player comprises the tenth electric capacity, the 24 resistance, the 23 resistance, the 12 electric capacity and the 3rd player; The first end of described 3rd player by the 12 electric capacity with reference to be connected, second end of described 3rd player is connected with reference to ground, 3rd end of described 3rd player is connected with the 23 resistance, described 23 resistance is connected with the tenth electric capacity, described tenth electric capacity is connected with the second player, the side of described 24 resistance is connected between the tenth electric capacity and the 23 resistance, and its opposite side is connected with reference to ground.
In automobile intelligent alarming horn circuit of the present invention, described first player comprises the first player; The first end of described first player is connected with the positive input of the 11 amplifier, and the second end of described first player is connected with the first end of the 3rd player, and the 3rd end of described first player is connected with the first amplifier.
In automobile intelligent alarming horn circuit of the present invention, described automobile intelligent alarming horn circuit also comprises seamless circuit, this seamless circuit comprises the 6th diode, the 17 resistance, the 16 electric capacity, the 8th electric capacity, the 27 resistance, the first triode, the 4th diode, the 18 resistance and the 7th electric capacity, the positive pole of described 6th diode is connected with power supply, its negative electrode is connected with the collector electrode of the first triode, the emitter of described first triode is connected with second source by the 18 resistance, the other end of described 18 resistance is connected with the 7th capacitance cathode, the negative pole of described 7th electric capacity is connected with reference to ground, the positive pole of described 4th diode is connected with reference to ground, its negative electrode is connected with the base stage of the first triode, the collector electrode of described first triode is connected by the 27 resistance with base stage, described 16 electric capacity and the 8th electric capacity its one end rear parallel with one another are connected between described 6th diode and the 27 resistance, its other end is connected to the ground by the 17 resistance and connects.
Implement automobile intelligent alarming horn circuit of the present invention, there is following beneficial effect: structure is simple, easy to operate, use the program, ideally achieve intelligent alarm.Comparatively quietly local broadcasting acoustic pressure is less, reduces sound and pollute; By loudspeaker film gather outer signals when program ingenious use loudspeaker are not play simultaneously, and then play suitable volume.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the structural representation of automobile intelligent alarming horn circuit of the present invention.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As shown in Figure 1, be the structural representation of automobile intelligent alarming horn circuit of the present invention; A kind of automobile intelligent alarming horn circuit, this circuit comprise drive circuit of loudspeaker for driving loudspeaker to sound, follow circuit, for the delayed playing circuit providing the voltage reference circuit of reference voltage, sound for time delay loudspeaker, for provide loudspeaker intermittently to report to the police low-frequency oscillatory network, for provide the high-frequency oscillating circuits of horn frequency, for change loudspeaker warning tone color waveform feedback circuit, for the treatment of high and low frequency signal and can the playback process circuit of playing audio signal and the loudspeaker for reminding; Wherein, described low-frequency oscillatory network is connected with waveform feedback circuit, described waveform feedback circuit is connected with high-frequency oscillating circuits, described high-frequency oscillating circuits is connected with playback process circuit, described high-frequency oscillating circuits is connected with voltage reference circuit, and described voltage reference circuit is connected with follow circuit, and described voltage reference circuit is connected with delayed playing circuit, described follow circuit is connected with drive circuit of loudspeaker, and described drive circuit of loudspeaker is connected with loudspeaker.
In automobile intelligent alarming horn circuit of the present invention, described voltage reference circuit comprises the 9th amplifying circuit, the tenth amplifying circuit, the 12 amplifying circuit, the 13 amplifying circuit, the 14 amplifying circuit and the 15 amplifying circuit, described 9th amplifying circuit is connected with the tenth amplifying circuit, described tenth amplifying circuit is connected with the 14 amplifying circuit, described 14 amplifying circuit is connected with the 12 amplifying circuit, described 14 amplifying circuit is connected with the 15 amplifying circuit, described 15 amplifying circuit is by the 13 amplifying circuit and the 11 amplifying circuit, described 12 amplifying circuit respectively with the 9th amplifying circuit, tenth amplifying circuit, 14 amplifying circuit is connected with the 15 amplifying circuit, described 15 amplifying circuit is connected with the 13 amplifying circuit, described 13 amplifying circuit is connected with follow circuit.
Wherein, the amplifying signal that described voltage reference circuit is fed back by loudspeaker, gives the 12 capacitor charging through the second player.When the 13 pin of the 12 amplifier is low level (1 pin of the second amplifier exports as low level), now loudspeaker do not play sound, 14 pin of the 12 amplifier exports high level, 5th pin of the second player is high level, 3rd pin of the second player and the 4th pin lead directly to, the external world is more noisy, larger through loudspeaker feedback signal, and the capacity of the 12 capacitance stores is larger; When the 13 pin of the 12 amplifier is high level (the first pin of the second amplifier exports as high level), now loudspeaker play sound, 14 pin output low level of the 12 amplifier, 5th pin of the second player is low level, 3rd pin of the second player and the 4th pin disconnect, the external world is noisy again, can not be electric capacity the 12 capacitor charging, thus inhibit self-excitation problem.In order to suppress self-excitation, when 5th pin of each second player is high level high level, 6th pin of the 11 amplifier has the high level of a moment, and the 8th pin (ground connection) of the 11 amplifier and the 9th pin lead directly to, i.e. the 12 capacitor discharge;
In automobile intelligent alarming horn circuit of the present invention, described 12 amplifying circuit comprises the 12 amplifier; The positive input of described 12 amplifier is connected with the positive input of the tenth amplifier with the anode of described 11 diode respectively, the positive input of described 12 amplifier is connected to the 35 resistance and is connected with the positive pole of the 14 electric capacity, and the reverse input end of described 12 amplifier is connected with delayed playing circuit; The output of described 12 amplifier is connected with the second player.
In automobile intelligent alarming horn circuit of the present invention, described 9th amplifying circuit comprises the 32 resistance, the 17 electric capacity, the tenth diode, the 11 diode, the 28 resistance, the 13 electric capacity, the 35 resistance, the 14 electric capacity and the 9th amplifier; The reverse input end of described 9th amplifier is connected with the side of the 28 resistance with the negative electrode of the 11 diode respectively, the opposite side of described 28 resistance is connected with the 13 electric capacity side, the opposite side of described 13 electric capacity is connected with the anode of the 11 diode, the anode of described 11 diode is connected between the 35 resistance and the anode of the 14 electric capacity, the opposite side of described 35 resistance is connected with second source, and the negative electrode of described 14 electric capacity is connected with reference to ground; The positive input of described 9th amplifier is connected with the negative electrode of the tenth diode, described 32 resistance is connected with the reverse input end of the 9th amplifier with the anode of the tenth diode with the 17 electric capacity its one end rear parallel with one another, and its other end is connected with the output of the 9th amplifier.
In automobile intelligent alarming horn circuit of the present invention, described tenth amplifying circuit comprises the 15 electric capacity, the 33 resistance, the 30 resistance, the 9th diode, the 34 resistance, the 12 diode, the 13 diode, the 8th diode, the 38 resistance and the tenth amplifier, described 15 electric capacity is connected with the output of the 9th amplifier with one end after the 33 resistant series, the other end is connected with the reverse input end of described tenth amplifier, the positive input of described tenth amplifier is connected with the 34 resistance, described 34 resistance by after the 13 diode and the 12 Diode series with reference to be connected, described 9th diode is connected with the reverse input end of the tenth amplifier with its one end after the 30 resistor coupled in parallel, its other end is connected with the output of the tenth amplifier, the output of described tenth amplifier is connected with the positive pole of the 8th diode, the negative pole of described 8th diode is connected with the 38 resistance.
In automobile intelligent alarming horn circuit of the present invention, described follow circuit comprises the 29 resistance and the 11 amplifier; The negative input of described 11 amplifier is connected with its output, the positive input of described 11 amplifier by the 29 resistance with reference to be connected.
Preferably, described 29 resistance adopts pull down resistor.
In automobile intelligent alarming horn circuit of the present invention, described drive circuit of loudspeaker comprises the 31 resistance, the 5th diode, the 36 resistance, the 37 resistance, the second triode, the 22 resistance, the 6th electric capacity and the 3rd triode; One end of described 31 resistance is connected with the 11 amplifier out, the other end of described 31 resistance is connected with the base stage of the second triode, the emitter of described second triode is connected with the 37 resistance, the collector electrode of described second triode is connected with the 22 resistance, the other end of described 22 resistance is connected with the 6th electric capacity with the base stage of the 3rd triode respectively, the emitter of described 3rd triode is connected with the first power supply, and the collector electrode of described 3rd triode is connected with the 6th electric capacity; The anode of described 5th diode is connected between the base stage of the second triode and the 31 resistance, the negative electrode of described 5th diode by the 36 resistance with reference to be connected.
In automobile intelligent alarming horn circuit of the present invention, described waveform feedback circuit comprises the 20 resistance, the 9th electric capacity, the 3rd diode, the second diode, the 7th amplifier, the 19 resistance, the 7th resistance, the 3rd electric capacity and the 6th amplifier;
Described 20 resistance is connected with the collector electrode of the 3rd triode of described drive circuit of loudspeaker, the opposite side of described 20 resistance is connected with the reverse input end of the 7th amplifier, the positive input of described 7th amplifier is connected with reference to ground, the reverse input end of described 7th amplifier is connected with the 9th electric capacity with the second diode anode, the 3rd diode anode, and the positive input of described 7th amplifier is connected with the 9th electric capacity with the second diode cathode, the 3rd diode cathode;
The output of described 7th amplifier is connected with second source by the 19 resistance, be in parallel with the 19 resistance after described 7th resistance is connected with the 3rd electric capacity, the output of described 6th amplifier is connected between the 7th amplifier out and the 19 resistance.
In automobile intelligent alarming horn circuit of the present invention, described high-frequency oscillating circuits comprises the 4th amplifier, the 3rd amplifier, the 8th amplifier, the 5th amplifier, the 14 resistance, the 12 resistance, the 5th electric capacity, the 15 resistance, the 16 resistance, the 11 resistance, the 4th electric capacity, the tenth resistance, the 6th resistance and the first diode;
Described 8th amplifier is connected with the first diode anode, described first diode cathode is connected with the output of the 7th amplifier of described waveform feedback circuit, the reverse input end of described 5th amplifier is connected with second source by the 14 resistance, the positive input of described 5th amplifier is connected by the positive input of the 5th electric capacity with the 8th amplifier, the positive input of described 5th amplifier is connected by the negative input of the 15 resistance with the 8th amplifier, the output of described 5th amplifier is connected by the output of the 12 resistance with the 8th amplifier, the positive input of described 4th amplifier is connected with the reverse input end of the 3rd amplifier, the reverse input end of described 4th amplifier is connected by the output of the tenth resistance with the 8th amplifier, the reverse input end of described 4th amplifier is connected with second source by the tenth resistance.
In automobile intelligent alarming horn circuit of the present invention, described playback process circuit comprises the first resistance, the first electric capacity, the second resistance, the 3rd resistance, the first amplifier and the first player; One end after described first resistance is in parallel with the first electric capacity is connected with the reverse input end of the first amplifier with the reverse input end of described first amplifier respectively, its other end is connected with second source, the positive input of described first amplifier is connected with the positive input of the 4th amplifier, the output of described first amplifier is connected with second source by the second resistance, and the output of described first amplifier is connected with the first player; One end of described 3rd resistance is connected between the 5th resistance and the 9th resistance, and its other end is connected with second source.
Preferably, the first player controls audio plays, and the 13 pin of the first player is audio frequency input pin, and audio frequency is made up of high-frequency audio and low frequency audio frequency, and high-frequency audio is the frequency that loudspeaker are reported to the police, and low frequency audio frequency is the frequency that loudspeaker are intermittently reported to the police.12 electric capacity is to provide volume, and the sound of the larger broadcasting of capacity that the 12 electric capacity exists is larger.
Wherein, described second resistance is pull-up resistor, through the first amplifier high and low frequency process, exports a playing audio signal, by controlling the 13 pin of the first player, plays alarm sound.
In automobile intelligent alarming horn circuit of the present invention, described low-frequency oscillatory network comprises the 4th resistance, the 9th resistance, the 5th resistance, the second electric capacity, the 8th resistance and the second amplifier; The reverse input end of described second amplifier by the second electric capacity with reference to be connected, the reverse input end of described second amplifier is connected with the 5th resistance, described 5th resistance is connected with the 9th resistance, described 9th resistance is connected with second source by the 4th resistance, the positive input of described second amplifier by the 8th resistance with reference to be connected, described 8th resistance is connected with the 4th resistance.
In automobile intelligent alarming horn circuit of the present invention, described delayed playing circuit comprises the 4th player, the 11 electric capacity, the 25 resistance, the 7th diode, the 26 resistance, the 21 resistance, one end of described 4th player respectively with the 11 capacitance cathode, 7th diode cathode is connected with the side of the 25 resistance, the anode of described 11 electric capacity is connected with second source, the opposite side of described 25 resistance is connected with the opposite side of the 4th player, described 26 resistance is connected with the 21 resistance, the opposite side of described 21 resistance is connected with reference to ground, the opposite side of described 26 resistance is connected with the first power supply, the anode of described 7th diode is connected between the 26 resistance and the 21 resistance.
Preferably, this delayed playing circuit ensures that upper electric horn starts play sound minimum (solving at comparatively quiet electric alarm in the localities too loudly).When powering on, the 12 pin of the 4th player is high level, 11 pin (ground connection) and the tenth pin lead directly to, namely the 13 pin of the 12 amplifier is the 14 pin output high level of low level the 12 amplifier, 5th pin of the second player is high level, and now loudspeaker do not play sound.
In automobile intelligent alarming horn circuit of the present invention, described 14 amplifying circuit comprises the second player, the first end of described second player is connected with the output of the tenth amplifier, second end of described second player is connected between the first player and the 3rd player, and the 3rd end of described second player is connected with described 12 amplifier.
In automobile intelligent alarming horn circuit of the present invention, described 3rd player comprises the tenth electric capacity, the 24 resistance, the 23 resistance, the 12 electric capacity and the 3rd player; The first end of described 3rd player by the 12 electric capacity with reference to be connected, second end of described 3rd player is connected with reference to ground, 3rd end of described 3rd player is connected with the 23 resistance, described 23 resistance is connected with the tenth electric capacity, described tenth electric capacity is connected with the second player, the side of described 24 resistance is connected between the tenth electric capacity and the 23 resistance, and its opposite side is connected with reference to ground.
In automobile intelligent alarming horn circuit of the present invention, described first player comprises the first player; The first end of described first player is connected with the positive input of the 11 amplifier, and the second end of described first player is connected with the first end of the 3rd player, and the 3rd end of described first player is connected with the first amplifier.
In automobile intelligent alarming horn circuit of the present invention, described automobile intelligent alarming horn circuit also comprises seamless circuit, this seamless circuit comprises the 6th diode, the 17 resistance, the 16 electric capacity, the 8th electric capacity, the 27 resistance, the first triode, the 4th diode, the 18 resistance and the 7th electric capacity, the positive pole of described 6th diode is connected with power supply, its negative electrode is connected with the collector electrode of the first triode, the emitter of described first triode is connected with second source by the 18 resistance, the other end of described 18 resistance is connected with the 7th capacitance cathode, the negative pole of described 7th electric capacity is connected with reference to ground, the positive pole of described 4th diode is connected with reference to ground, its negative electrode is connected with the base stage of the first triode, the collector electrode of described first triode is connected by the 27 resistance with base stage, described 16 electric capacity and the 8th electric capacity its one end rear parallel with one another are connected between described 6th diode and the 27 resistance, its other end is connected to the ground by the 17 resistance and connects.
Compared with prior art, implement automobile intelligent alarming horn circuit of the present invention, there is following beneficial effect: structure is simple, easy to operate, use the program, ideally achieve intelligent alarm.Comparatively quietly local broadcasting acoustic pressure is less, reduces sound and pollute; By loudspeaker film gather outer signals when program ingenious use loudspeaker are not play simultaneously, and then play suitable volume.
The above embodiment only have expressed embodiments of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction 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, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (16)
1. an automobile intelligent alarming horn circuit, it is characterized in that, this circuit comprise drive circuit of loudspeaker for driving loudspeaker to sound, follow circuit, for the delayed playing circuit providing the voltage reference circuit of reference voltage, sound for time delay loudspeaker, for provide loudspeaker intermittently to report to the police low-frequency oscillatory network, for provide the high-frequency oscillating circuits of horn frequency, for change loudspeaker warning tone color waveform feedback circuit, for the treatment of high and low frequency signal and can the playback process circuit of playing audio signal and the loudspeaker for reminding; Wherein, described low-frequency oscillatory network is connected with waveform feedback circuit, described waveform feedback circuit is connected with high-frequency oscillating circuits, described high-frequency oscillating circuits is connected with playback process circuit, described high-frequency oscillating circuits is connected with voltage reference circuit, and described voltage reference circuit is connected with follow circuit, and described voltage reference circuit is connected with delayed playing circuit, described follow circuit is connected with drive circuit of loudspeaker, and described drive circuit of loudspeaker is connected with loudspeaker.
2. automobile intelligent alarming horn circuit according to claim 1, it is characterized in that, described voltage reference circuit comprises the 9th amplifying circuit, the tenth amplifying circuit, the 12 amplifying circuit, the 13 amplifying circuit, the 14 amplifying circuit and the 15 amplifying circuit, described 9th amplifying circuit is connected with the tenth amplifying circuit, described tenth amplifying circuit is connected with the 14 amplifying circuit, described 14 amplifying circuit is connected with the 12 amplifying circuit, described 14 amplifying circuit is connected with the 15 amplifying circuit, described 15 amplifying circuit is by the 13 amplifying circuit and the 11 amplifying circuit, described 12 amplifying circuit respectively with the 9th amplifying circuit, tenth amplifying circuit, 14 amplifying circuit is connected with the 15 amplifying circuit, described 15 amplifying circuit is connected with the 13 amplifying circuit, described 13 amplifying circuit is connected with follow circuit.
3. automobile intelligent alarming horn circuit according to claim 2, is characterized in that, described 12 amplifying circuit comprises the 12 amplifier; The positive input of described 12 amplifier is connected with the positive input of the tenth amplifier with the anode of described 11 diode respectively, the positive input of described 12 amplifier is connected to the 35 resistance and is connected with the positive pole of the 14 electric capacity, and the reverse input end of described 12 amplifier is connected with delayed playing circuit; The output of described 12 amplifier is connected with the second player.
4. automobile intelligent alarming horn circuit according to claim 2, it is characterized in that, described 9th amplifying circuit comprises the 32 resistance, the 17 electric capacity, the tenth diode, the 11 diode, the 28 resistance, the 13 electric capacity, the 35 resistance, the 14 electric capacity and the 9th amplifier; The reverse input end of described 9th amplifier is connected with the side of the 28 resistance with the negative electrode of the 11 diode respectively, the opposite side of described 28 resistance is connected with the 13 electric capacity side, the opposite side of described 13 electric capacity is connected with the anode of the 11 diode, the anode of described 11 diode is connected between the 35 resistance and the anode of the 14 electric capacity, the opposite side of described 35 resistance is connected with second source, and the negative electrode of described 14 electric capacity is connected with reference to ground; The positive input of described 9th amplifier is connected with the negative electrode of the tenth diode, described 32 resistance is connected with the reverse input end of the 9th amplifier with the anode of the tenth diode with the 17 electric capacity its one end rear parallel with one another, and its other end is connected with the output of the 9th amplifier.
5. the automobile intelligent alarming horn circuit according to Claims 2 or 3, it is characterized in that, described tenth amplifying circuit comprises the 15 electric capacity, the 33 resistance, the 30 resistance, the 9th diode, the 34 resistance, the 12 diode, the 13 diode, the 8th diode, the 38 resistance and the tenth amplifier, described 15 electric capacity is connected with the output of the 9th amplifier with one end after the 33 resistant series, the other end is connected with the reverse input end of described tenth amplifier, the positive input of described tenth amplifier is connected with the 34 resistance, described 34 resistance by after the 13 diode and the 12 Diode series with reference to be connected, described 9th diode is connected with the reverse input end of the tenth amplifier with its one end after the 30 resistor coupled in parallel, its other end is connected with the output of the tenth amplifier, the output of described tenth amplifier is connected with the positive pole of the 8th diode, the negative pole of described 8th diode is connected with the 38 resistance.
6. the automobile intelligent alarming horn circuit according to Claims 2 or 3, it is characterized in that, described follow circuit comprises the 29 resistance and the 11 amplifier; The negative input of described 11 amplifier is connected with its output, the positive input of described 11 amplifier by the 29 resistance with reference to be connected.
7. automobile intelligent alarming horn circuit according to claim 1 or 5, it is characterized in that, described drive circuit of loudspeaker comprises the 31 resistance, the 5th diode, the 36 resistance, the 37 resistance, the second triode, the 22 resistance, the 6th electric capacity and the 3rd triode; One end of described 31 resistance is connected with the 11 amplifier out, the other end of described 31 resistance is connected with the base stage of the second triode, the emitter of described second triode is connected with the 37 resistance, the collector electrode of described second triode is connected with the 22 resistance, the other end of described 22 resistance is connected with the 6th electric capacity with the base stage of the 3rd triode respectively, the emitter of described 3rd triode is connected with the first power supply, and the collector electrode of described 3rd triode is connected with the 6th electric capacity; The anode of described 5th diode is connected between the base stage of the second triode and the 31 resistance, the negative electrode of described 5th diode by the 36 resistance with reference to be connected.
8. the automobile intelligent alarming horn circuit according to claim 1 or 6, it is characterized in that, described waveform feedback circuit comprises the 20 resistance, the 9th electric capacity, the 3rd diode, the second diode, the 7th amplifier, the 19 resistance, the 7th resistance, the 3rd electric capacity and the 6th amplifier;
Described 20 resistance is connected with the collector electrode of the 3rd triode of described drive circuit of loudspeaker, the opposite side of described 20 resistance is connected with the reverse input end of the 7th amplifier, the positive input of described 7th amplifier is connected with reference to ground, the reverse input end of described 7th amplifier is connected with the 9th electric capacity with the second diode anode, the 3rd diode anode, and the positive input of described 7th amplifier is connected with the 9th electric capacity with the second diode cathode, the 3rd diode cathode;
The output of described 7th amplifier is connected with second source by the 19 resistance, be in parallel with the 19 resistance after described 7th resistance is connected with the 3rd electric capacity, the output of described 6th amplifier is connected between the 7th amplifier out and the 19 resistance.
9. the automobile intelligent alarming horn circuit according to claim 1 or 7, it is characterized in that, described high-frequency oscillating circuits comprises the 4th amplifier, the 3rd amplifier, the 8th amplifier, the 5th amplifier, the 14 resistance, the 12 resistance, the 5th electric capacity, the 15 resistance, the 16 resistance, the 11 resistance, the 4th electric capacity, the tenth resistance, the 6th resistance and the first diode;
Described 8th amplifier is connected with the first diode anode, described first diode cathode is connected with the output of the 7th amplifier of described waveform feedback circuit, the reverse input end of described 5th amplifier is connected with second source by the 14 resistance, the positive input of described 5th amplifier is connected by the positive input of the 5th electric capacity with the 8th amplifier, the positive input of described 5th amplifier is connected by the negative input of the 15 resistance with the 8th amplifier, the output of described 5th amplifier is connected by the output of the 12 resistance with the 8th amplifier, the positive input of described 4th amplifier is connected with the reverse input end of the 3rd amplifier, the reverse input end of described 4th amplifier is connected by the output of the tenth resistance with the 8th amplifier, the reverse input end of described 4th amplifier is connected with second source by the tenth resistance.
10. the automobile intelligent alarming horn circuit according to claim 1 or 8, is characterized in that, described playback process circuit comprises the first resistance, the first electric capacity, the second resistance, the 3rd resistance, the first amplifier and the first player; One end after described first resistance is in parallel with the first electric capacity is connected with the reverse input end of the first amplifier with the reverse input end of described first amplifier respectively, its other end is connected with second source, the positive input of described first amplifier is connected with the positive input of the 4th amplifier, the output of described first amplifier is connected with second source by the second resistance, and the output of described first amplifier is connected with the first player; One end of described 3rd resistance is connected between the 5th resistance and the 9th resistance, and its other end is connected with second source.
11. automobile intelligent alarming horn circuit according to claim 1 or 9, it is characterized in that, described low-frequency oscillatory network comprises the 4th resistance, the 9th resistance, the 5th resistance, the second electric capacity, the 8th resistance and the second amplifier; The reverse input end of described second amplifier by the second electric capacity with reference to be connected, the reverse input end of described second amplifier is connected with the 5th resistance, described 5th resistance is connected with the 9th resistance, described 9th resistance is connected with second source by the 4th resistance, the positive input of described second amplifier by the 8th resistance with reference to be connected, described 8th resistance is connected with the 4th resistance.
12. automobile intelligent alarming horn circuit according to claim 1, it is characterized in that, described delayed playing circuit comprises the 4th player, the 11 electric capacity, the 25 resistance, the 7th diode, the 26 resistance, the 21 resistance, one end of described 4th player respectively with the 11 capacitance cathode, 7th diode cathode is connected with the side of the 25 resistance, the anode of described 11 electric capacity is connected with second source, the opposite side of described 25 resistance is connected with the opposite side of the 4th player, described 26 resistance is connected with the 21 resistance, the opposite side of described 21 resistance is connected with reference to ground, the opposite side of described 26 resistance is connected with the first power supply, the anode of described 7th diode is connected between the 26 resistance and the 21 resistance.
13. automobile intelligent alarming horn circuit according to Claims 2 or 3 or 5, it is characterized in that, described 14 amplifying circuit comprises the second player, the first end of described second player is connected with the output of the tenth amplifier, second end of described second player is connected between the first player and the 3rd player, and the 3rd end of described second player is connected with described 12 amplifier.
14. automobile intelligent alarming horn circuit according to claim 2, is characterized in that, described 3rd player comprises the tenth electric capacity, the 24 resistance, the 23 resistance, the 12 electric capacity and the 3rd player; The first end of described 3rd player by the 12 electric capacity with reference to be connected, second end of described 3rd player is connected with reference to ground, 3rd end of described 3rd player is connected with the 23 resistance, described 23 resistance is connected with the tenth electric capacity, described tenth electric capacity is connected with the second player, the side of described 24 resistance is connected between the tenth electric capacity and the 23 resistance, and its opposite side is connected with reference to ground.
15. automobile intelligent alarming horn circuit according to claim 2, it is characterized in that, described first player comprises the first player; The first end of described first player is connected with the positive input of the 11 amplifier, and the second end of described first player is connected with the first end of the 3rd player, and the 3rd end of described first player is connected with the first amplifier.
16. automobile intelligent alarming horn circuit according to claim 1, is characterized in that, described automobile intelligent alarming horn circuit also comprises seamless circuit, this seamless circuit comprises the 6th diode, the 17 resistance, the 16 electric capacity, the 8th electric capacity, the 27 resistance, the first triode, the 4th diode, the 18 resistance and the 7th electric capacity, the positive pole of described 6th diode is connected with power supply, its negative electrode is connected with the collector electrode of the first triode, the emitter of described first triode is connected with second source by the 18 resistance, the other end of described 18 resistance is connected with the 7th capacitance cathode, the negative pole of described 7th electric capacity is connected with reference to ground, the positive pole of described 4th diode is connected with reference to ground, its negative electrode is connected with the base stage of the first triode, the collector electrode of described first triode is connected by the 27 resistance with base stage, described 16 electric capacity and the 8th electric capacity its one end rear parallel with one another are connected between described 6th diode and the 27 resistance, its other end is connected to the ground by the 17 resistance and connects.
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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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| CN105187989A true CN105187989A (en) | 2015-12-23 |
| CN105187989B CN105187989B (en) | 2018-03-30 |
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| US20060088175A1 (en) * | 2001-05-07 | 2006-04-27 | Harman International Industries, Incorporated | Sound processing system using spatial imaging techniques |
| 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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2015
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060088175A1 (en) * | 2001-05-07 | 2006-04-27 | Harman International Industries, Incorporated | Sound processing system using spatial imaging techniques |
| 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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| CN105187989B (en) | 2018-03-30 |
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