CN1226488A - Silenced horn system of vehicle - Google Patents
Silenced horn system of vehicle Download PDFInfo
- Publication number
- CN1226488A CN1226488A CN 98104778 CN98104778A CN1226488A CN 1226488 A CN1226488 A CN 1226488A CN 98104778 CN98104778 CN 98104778 CN 98104778 A CN98104778 A CN 98104778A CN 1226488 A CN1226488 A CN 1226488A
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- China
- Prior art keywords
- circuit
- silenced
- vehicle
- horn system
- comparator
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Abstract
A silent horn system for motor-driven vehicles features the use of near infrared and ultrasonic communication system. It is composed of transmitter, receiver, transmitting circuit, receiving circuit and voltage-stabilized power supply. Said transmitting circuit comprises power amplifier, modulator, carrier generator and encoder. Said receiving circuit consists of preamplifier and position indicator. Its advantages are no noise pollution and efficient warning between vehicles.
Description
The present invention relates to the no horn that a kind of power actuated vehicle uses, belong to the near infrared ray light wave and ultrasonic air gas medium transport communication system invents in the horn of motor vehicle Application for Field.
Self-propelled vehicle of the prior art is in the process of moving in order to warn other vehicle, and all adopting has horn to pipe, and such mode is seriously brought the noise pollution problem, causes very big noise pollution for city environment especially.Therefore there has been the restriction regulation of loudspeaker that pipes in the city that has, even the city that has forbids loudspeaker to pipe at some road.Like this, there is not the effective caution between the power actuated vehicle or owing to can't hear driving vehicle sound of horn behind the car in the car, self-propelled vehicle is easy to generate car accident.
The purpose of this invention is to provide a kind of sound noise pollution problem of self-propelled vehicle tradition loudspeaker that solves to city environment; Can solve the practical problems that chaufeur in the self-propelled vehicle driving is difficult for hearing driving vehicle sound of horn behind the car again.
The objective of the invention is to realize by following scheme: the present invention partly is made up of radiated element, receiving element and transmission circuit part, acceptor circuit part, stabilized power supply circuit, and emission circuit partly comprises: emission power amplifier, modulation circuit, carrier wave generation circuit, encode circuit; Receiving circuit partly comprises: preamplifier, clipping amplifier, bandpass filter, detecter and comparator, integrator, Schmidt's comparator, decoding scheme, voltage-controlled voice frequency circuit, audio-frequency power amplifier, orientation indicating circuit constitute; Adopt transmission and the reception of air dielectric transmission radiated element and air dielectric transmission receiving element as signal in the system.Adopt harmless, inaudible super sonic of people's ear or near infrared light signal as the air transfer carrier wave, the modulation digital signal, come conveyer motor-car sound of horn, receiving above-mentioned its a kind of signal by the air transfer receiving element that is contained on the vehicle, be converted to electric signal, by becoming sound signal after the amplification of native system circuit, the processing, sounding by the loud speaker that is contained in the car, make chaufeur hear the sound of horn signal that the outer low coverage vehicle of car sends.Vehicle outside car also must use the present invention not have horn equally, can realize that just the no horn between the self-propelled vehicle is called out, not cause the noise emission to city environment.
The present invention compared with prior art has the noise emission of significantly reducing, again can power actuated vehicle between the effective advantage of caution.
Description of drawings of the present invention is as follows:
Fig. 1 is an electrical schematic diagram of the present invention.
Below in conjunction with accompanying drawing the present invention is described in further detail: as shown in Figure 1, circuit system of the present invention is by three most compositions, first partly is the transmission circuit part, comprise: encode circuit, carrier wave generation circuit, modulation circuit, coupling power amplifier (power amplifier), the air transfer radiated element that this part circuit uses can also can use piezoelectric ceramic ultrasound--acoustic transducer with one to four group of near-infrared luminous pipe of quartz conductor conductor; This encode circuit partly adopts the digital pulse digit coded system of asynchronous serial; Second partly is the acceptor circuit part, and comprising: preamplifier, clipping amplifier, bandpass filter, detecter and comparator, integrator, Schmidt's comparator, the foregoing circuit of this part can be finished with an integrated circuit.Receive partly and also comprise: decoding scheme, voltage-controlled voice frequency circuit, audio power amplifying circuit, orientation indicating circuit and one to four loud speaker constitute, and decoding scheme adopts asynchronous string to advance and go out the digital decoding scheme of formula; Third part is the stabilized power supply circuit part.
See shown in Figure 1.The principle of work of circuit system of the present invention is: when source switch K2 closes, all circuit are in the quiescent operation state, when blast the horn, K switch 1 is connected, encode circuit output pulse train is digital to modulation circuit, the starting of oscillation of carrier wave generation this moment circuit, the carrier pulse of certain frequency is delivered to modulation circuit, export once code modulated pulse digital signal at modulation circuit, this signal is delivered to the emission power amplifier with the radiated element coupling, emissive power signal excitation radiated element, four direction sends the audible warning of respective coding modulation near infrared or super sonic form outside car, not during blast the horn, K1 disconnects, the carrier oscillator failure of oscillation, radiated element is not worked, and does not outwards launch audible warning.When the car identical with the present invention is housed at the low coverage blast the horn, or when this car is pressed this kind loudspeaker, signal is installed in after receiving element on the car receives, being converted to electric signal is amplified by the A1 preamplifier, deliver to the A2 clipping amplifier and carry out the amplitude limit amplification, then, send B.P.F band-pass filter, deliver to detection and comparator again with signal demodulator, eliminate background noise by comparator simultaneously, deliver to the integrator low pass again and restore the transmitting terminal coding number of receiving, this number delivered to after Schmidt's comparator buffering is eliminated distortion, deliver to decoding scheme decoding again, become current potential and control the sound signal that the starting of oscillation of audio frequency voltage controlled oscillator (VCO) produces to be needed after decoding, this sound signal is after audio-frequency power amplifier amplifies, and the loud speaker of drive installation in car pronounces in car.The orientation indicating circuit is separately to press loudspeaker aloud to be contained in the car four groups of vehicles of raising living device analog indication corresponding orientation in corresponding four orientation in the back by being installed in signaling zone that car front, rear, left and right receiving element receives, or represents the sound source in four orientation with four luminotron LED.Stabilized power supply circuit is powered Vehicular accumulator cell behind the filtering voltage regulation, exports two groups of power supplys and supplies with other circuit in emission power amplifier and the system respectively.In the system diagram 1 of the present invention the part of with dashed lines frame representative be installed in four groups of four orientation of vehicle identical transmit and receive parts.Ap-Ap ＇ represents to mate power amplifier (emission power amplifier) among the figure; A1-A1 ＇ represents preamplifier; A2-A2 ＇ represents clipping amplifier; Asp-Asp ＇ represents audio-frequency power amplifier; U1-U1 ＇ represents bandpass filter; U2-U2 ＇ represents detecter and comparator; U3-U3 ＇ represents integrator; U4-U4 ＇ represents Schmidt's comparator.
Claims (6)
1, a kind of silenced horn system of vehicle, comprise: radiated element, receiving element and transmission circuit part, acceptor circuit part, stabilized power supply circuit partly is characterized in that launching circuit partly and comprise: emission power amplifier, modulation circuit, carrier wave generation circuit, encode circuit; Receiving circuit partly comprises: preamplifier, clipping amplifier, bandpass filter, detecter and comparator, integrator, Schmidt's comparator, decoding scheme, voltage-controlled voice frequency circuit, audio-frequency power amplifier, orientation indicating circuit constitute; Adopt transmission and the reception of air dielectric transmission radiated element and air dielectric transmission receiving element as signal in the system.
2, silenced horn system of vehicle according to claim 1 is characterized in that being made of one to four group of air transfer radiated element, one to four group of air transfer receiving element and transmission circuit, acceptor circuit, stabilized power supply circuit.
3, silenced horn system of vehicle according to claim 1 and 2 is characterized in that: air dielectric transmission radiated element has adopted quartz conductor near infrared luminescence pipe, and emission wavelength is: 0.80 micron-1.30 microns; Air dielectric transmission receiving element has adopted quartz conductor near infrared ray adoptor, and photosensitive wavelength is: 0.80 swashs rice--and 1.30 microns.
4, silenced horn system of vehicle according to claim 1 and 2 is characterized in that: air dielectric transmission radiated element can adopt piezoelectric ceramic ultrasound---acoustic transducer, and audible frequency is: 25KHz---200KHz; Air dielectric transmission receiving element can adopt piezoelectric ceramic ultrasound sound---electric transducer, and its resonant frequency is: 25KHz---200KHz.
5, silenced horn system of vehicle according to claim 1 and 2 is characterized in that: adopt four groups of air transfer receiving elements to be installed on four direction position, vehicle front, rear, left and right, in order to the noiseless audible warning of receiver motor-car; Front, rear, left and right are equipped with four pronunciation components and four luminotron LED to use the orientation of native system driving vehicle outside sound and the flash of light indication car in car.
6, silenced horn system of vehicle according to claim 1 is characterized in that: preamplifier, clipping amplifier, bandpass filter, detecter and comparator, integrator, Schmidt's comparator, adopt an integrated circuit to constitute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98104778 CN1226488A (en) | 1998-02-18 | 1998-02-18 | Silenced horn system of vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98104778 CN1226488A (en) | 1998-02-18 | 1998-02-18 | Silenced horn system of vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1226488A true CN1226488A (en) | 1999-08-25 |
Family
ID=5218449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98104778 Pending CN1226488A (en) | 1998-02-18 | 1998-02-18 | Silenced horn system of vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1226488A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101837757A (en) * | 2009-03-11 | 2010-09-22 | 株式会社电装 | Automobile storage is at announcement apparatus |
| CN102790941A (en) * | 2012-07-27 | 2012-11-21 | 东华大学 | Automobile horn system |
| CN105034946A (en) * | 2015-08-06 | 2015-11-11 | 北汽福田汽车股份有限公司 | Horn signal system and vehicle provided with same |
| CN105588972A (en) * | 2016-01-26 | 2016-05-18 | 中国人民解放军第四军医大学 | Industrial heavy current detection system and method realizing temperature monitoring |
| CN113401050A (en) * | 2020-12-26 | 2021-09-17 | 重庆广播电视大学重庆工商职业学院 | Vehicle-mounted silent horn system |
-
1998
- 1998-02-18 CN CN 98104778 patent/CN1226488A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101837757A (en) * | 2009-03-11 | 2010-09-22 | 株式会社电装 | Automobile storage is at announcement apparatus |
| CN102790941A (en) * | 2012-07-27 | 2012-11-21 | 东华大学 | Automobile horn system |
| CN105034946A (en) * | 2015-08-06 | 2015-11-11 | 北汽福田汽车股份有限公司 | Horn signal system and vehicle provided with same |
| CN105034946B (en) * | 2015-08-06 | 2018-08-07 | 北京宝沃汽车有限公司 | Audible warning system and vehicle with it |
| CN105588972A (en) * | 2016-01-26 | 2016-05-18 | 中国人民解放军第四军医大学 | Industrial heavy current detection system and method realizing temperature monitoring |
| CN113401050A (en) * | 2020-12-26 | 2021-09-17 | 重庆广播电视大学重庆工商职业学院 | Vehicle-mounted silent horn system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |