CN2588715Y - Electronic horn for car - Google Patents
Electronic horn for car Download PDFInfo
- Publication number
- CN2588715Y CN2588715Y CN 02279253 CN02279253U CN2588715Y CN 2588715 Y CN2588715 Y CN 2588715Y CN 02279253 CN02279253 CN 02279253 CN 02279253 U CN02279253 U CN 02279253U CN 2588715 Y CN2588715 Y CN 2588715Y
- Authority
- CN
- China
- Prior art keywords
- horn
- circuit
- audio
- electric automobile
- automobile
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Abstract
The utility model relates to an electronic horn for a vehicle, which relates to a whistle device of the vehicle electronic horn. The utility model is composed of a vehicle electronic horn audio frequency generating circuit, an audio frequency power amplification circuit, and a barrel type electrodynamic loudspeaker, wherein, the vehicle electronic horn audio frequency generating circuit is composed of an IC-< 1 >(COMS) vehicle sound effect integrated circuit. The utility model uses the advanced microelectronic technology to record audio frequency signals of various vehicle type special electronic horns and then to record in a COMS integrated circuit chip, and the whistle sound of the vehicle electronic horn can be sent out by the audio power amplification circuit driving the horn barrel type electrodynamic loudspeaker. The utility model has the advantages of reasonable manufacture, reasonable design, simple structure, low cost, stable performance, long service life, and convenient batch production and is an ideal product for placing the traditional vehicle electronic horn.
Description
Technical field:
The utility model relates to a kind of electric automobile horn device of blowing a whistle, and especially can produce the automobile specified electronic horn that is suitable for various vehicle electric automobile horn sound frequency effects, belongs to the application of electronic technology field.
Background technology:
At present, electric automobile horn is as requisite parts on the various automobiles, its structure is by shell, the built-in electromagnetic coil, the platinum contact, armature, formations such as diaphragm, since it is born, always be and adopt electromagnetic viscosimeter or electronic, the principle of diaphragm sounding, and need height, two electric horns of bass cooperate together, and use produces the effect of blowing a whistle, though in recent years in manufacturing technology, improve to some extent on the quality of materials, but still keep away unavoidable because its power consumption is big, the contact oxidation of easily ablating, rupture of diaphragm causes loudspeaker to damage, faults such as horn switch burns out, in recent years, along with the universal utilization of electronic technology on automobile, various automobile electronic loudspeakers have brought resistance owing to its many-sided reason to promotion and implementation.
Summary of the invention:
The purpose of this utility model is: overcome drawbacks such as existing electric automobile horn manufacturing cost height, useful life weak point, failure rate height, aim to provide a kind of automobile specified electronic horn, can not only substitute the effect of blowing a whistle of former electric automobile horn, and can substitute originally must be by the supporting electric automobile horn that could form of two loudspeaker of high and low sound, has that low cost of manufacture, effects,sound are true to nature, an automobile specified electronic horn of stable performance, long service life.
The execution mode of the utility model purpose is: a kind of automobile specified electronic horn includes: electric automobile horn audio frequency generation circuit 1, audio power amplifying circuit 2, horn formula electrodynamic loudspeaker 3.Electric automobile horn audio frequency generation circuit 1 is provided with a special-purpose COMS automobile sound effect integrated circuit (IC)
1, switching circuit K is located at IC
1Power positive end, and and IC
1Triggering selection end 2-4 links to each other respectively.IC
1 Signal output part 6 ends are exported the sound frequency signal of the electric automobile horn of corresponding vehicle, capacitor C
6Be connected on IC
1Output and IC
2Between the input, IC
1Output signal transfers to IC
2Input.Audio power amplifying circuit is by the frequency power amplifying IC IC of two same models
2, IC
3(TDA2003) form its output 4 termination number cartridge type electrodynamic loudspeakers 3 two ends.Electric automobile horn audio frequency generation circuit 1, audio power amplifying circuit 2 are manufactured on the same diameter 60mm circuit board, and circuit board is installed in the horn formula electrodynamic loudspeaker trailing space.
IC
1It is the core of electric automobile horn audio frequency generation circuit 1.Special-purpose COMS automobile sound effect integrated circuit in the electric automobile horn audio frequency generation circuit 1 be with burning behind the sound frequency signal recording of various vehicle electric automobile horns in the COMS integrated circuit (IC) chip.It is the same substantially with the manufacturing principle of now music door-bell sound, animal cry, and its model is a KD-9561 series.
Audio power amplifying circuit 2 is by the frequency power amplifying IC IC of two same models
2, IC
3And element is formed the push-pull type audio power amplifier circuit on every side; Audio-frequency power amplifier also can be made up of resolution element, integrated circuit.The two ends of its output hyphen cartridge type electrodynamic loudspeaker 3, IC
2, IC
3Model be TDA2003.
Horn formula electrodynamic loudspeaker 3 is microphone devices of automobile specified electronic horn, and sounding component is the electrodynamic loudspeaker of disposable type.Its afterbody should have the space that can hold a diameter 60mm circuit board, and its model specification is YH type, 20W, 4 Ω.
Above electric automobile horn sound effect generation circuit 1, audio power amplifying circuit 2 are produced on the same diameter 60mm wiring board, and are installed in horn formula electrodynamic loudspeaker 3 trailing spaces.
This automobile specified electronic horn is directly installed on the former electric automobile horn position, and its two power lines directly are connected on the both positive and negative polarity of former electric automobile horn, during operation, when connecting automobile specified electronic horn power supply, IC
11 end, IC
2, IC
35 ends simultaneously electric, internal memory IC
1The sound signal of electric automobile horn through IC
16 ends output, capacitor C
6Be coupled to IC
2Input 1 end, IC
2, IC
3The electric automobile horn sound signal of output 4 ends after will amplifying be transferred to horn formula electrodynamic loudspeaker 3, send the electric automobile horn sound of blowing a whistle by RL, selector switch K respectively with IC
12-4 end can send the different automobile types electric automobile horn sound of blowing a whistle when linking to each other.
The beneficial effects of the utility model are: can be used as the renewal product of current electric automobile horn, because its installation site and pair of connecting wires automobile need not be done any change, so be applicable to the supporting use of automaker, also can be used as autoist and change use.
Description of drawings:
Fig. 1 is the utility model circuit block diagram;
Fig. 2 is the utility model typical circuit schematic diagram.
Below in conjunction with accompanying drawing the utility model is further described:
Referring to Fig. 1: the utility model is made of electric automobile horn sound effect generation circuit 1, audio power amplifying circuit 2, horn formula electrodynamic loudspeaker 3 three parts.
Referring to Fig. 2: electric automobile horn sound effect generation circuit 1, by special-purpose COMS automobile sound effect integrated circuit (IC)
1, electronic component R
1, R
2, R
3, R
4, C
2, C
3, C
4, C
5, C
6, D
2, change over switch K constitutes IC
11,5 ends be power positive cathode, 2-4 end is the signal triggering selecting side, 6 ends are signal output part, 7,8 ends are IC
1Internal oscillator vibration input/output terminal.
Audio-frequency power amplifier 2 is by frequency power amplifying IC IC
2, IC
3With electronic component R
5, C
7, C
8, C
9, C
10, C
11Constitute IC
21 end be signal input part, IC
31 end be that inverting terminal is through C
8Ground connection, IC
2, IC
35,3 ends be respectively power positive cathode, IC
2, IC
32 ends for exchanging negative feedback output, input, IC
2, IC
34 ends be the audio power output, its power output can satisfy the requirement of the electric acoustic power of horn formula electrodynamic loudspeaker RL.
D
1, C
1Form unidirectional conducting of power supply and filter action.
Embodiment:
In Fig. 2, D
1, C
1For whole automobile specified electronic horn provides a forward conduction, filtered DC power supply, C
1Effect be to eliminate the interference that the high-voltage ignition for automobile system produces this circuit, R
1, C
2, C
3For " π " mode filter, by R
1, R
2Power supply 12v voltage is carried out dividing potential drop, and pass through D
2Voltage stabilizing C
4Offer IC after the filtering
1The normal operating voltage of stable 3v-4.5v, because the audio frequency effect of various automobile specified electric horns is different, change over switch K selects and IC
1The conducting of 2-4 end diverse location, the automobile electronic loudspeaker that can the adapt to different automobile types sound of blowing a whistle, IC
1The electric automobile horn sound signal of 6 ends output pass through capacitor C
6Be coupled to IC
2Input 1 end, pass through IC
2, IC
3Recommending of forming passed through IC after audio power amplifies again
2, IC
3Output 4 ends, promote horn formula electrodynamic loudspeaker 3 and send the electric automobile horn sound of blowing a whistle.
Claims (3)
1, a kind of automobile specified electronic horn, it is characterized in that including: electric automobile horn audio frequency generation circuit (1), audio power amplifying circuit (2), horn formula electrodynamic loudspeaker (3), electric automobile horn audio frequency generation circuit (1) are provided with a special-purpose COMS automobile sound effect integrated circuit (IC)
1, switching circuit K is located at IC
1Power positive end, and and IC
1Triggering selection end 2-4 links to each other respectively, IC
1Signal output part 6 ends are exported the sound frequency signal of the electric automobile horn of corresponding vehicle, capacitor C
6Be connected on IC
1Output and IC
2Between the input, IC
1Output signal transfers to IC
2Input, audio power amplifying circuit is by the frequency power amplifying IC IC of two same models
2, IC
3(TDA2003) form, its output 4 termination number cartridge type electrodynamic loudspeaker (3) two ends, electric automobile horn audio frequency generation circuit (1), audio power amplifying circuit (2) are manufactured on the same diameter 60mm circuit board, and circuit board is installed in the horn formula electrodynamic loudspeaker trailing space.
2, automobile specified electronic horn according to claim 1 is characterized in that: the special-purpose COMS automobile sound effect integrated circuit in the electric automobile horn audio frequency generation circuit (1) be with burning behind the sound frequency signal recording of various vehicle electric automobile horns in the COMS integrated circuit (IC) chip.
3, according to claim 1,2 described automobile specified electronic horns, it is characterized in that: audio-frequency power amplifier is made up of resolution element, integrated circuit, and sounding component is the electrodynamic loudspeaker of disposable type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02279253 CN2588715Y (en) | 2002-09-19 | 2002-09-19 | Electronic horn for car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02279253 CN2588715Y (en) | 2002-09-19 | 2002-09-19 | Electronic horn for car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2588715Y true CN2588715Y (en) | 2003-11-26 |
Family
ID=33742367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02279253 Expired - Fee Related CN2588715Y (en) | 2002-09-19 | 2002-09-19 | Electronic horn for car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2588715Y (en) |
-
2002
- 2002-09-19 CN CN 02279253 patent/CN2588715Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |