CN2216711Y - Non-contact electric horn for automotive vehicle - Google Patents
Non-contact electric horn for automotive vehicle Download PDFInfo
- Publication number
- CN2216711Y CN2216711Y CN 94248632 CN94248632U CN2216711Y CN 2216711 Y CN2216711 Y CN 2216711Y CN 94248632 CN94248632 CN 94248632 CN 94248632 U CN94248632 U CN 94248632U CN 2216711 Y CN2216711 Y CN 2216711Y
- Authority
- CN
- China
- Prior art keywords
- integrated circuit
- triode
- pin
- electric horn
- capacitor
- 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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Abstract
The utility model relates to a non-contact electric horn for automotive vehicles. A 3 foot of an integrated circuit IC is connected with the base electrode of a triode BG1; the emitter electrode of the triode BG1 is connected with the base electrode of a triode BG2; the collecting electrode of the triode BG2 is connected with an electric horn; a 2 foot and a 6 foot of the integrated circuit are connected to one end of a capacitor C simultaneously; one end of an adjustable resistor R is connected with the capacitor C; the movable contact is connected with a 7 foot of the integrated circuit; one end of the adjustable resistor, a 4 foot and an 8 foot of the integrated circuit, the collecting electrode of the triode BG1, and one end of the electric horn ring are all connected with the anode of the power supply; one end of the capacitor C, the 1 foot of the integrated circuit, and the emitter electrode of the triode BG2 are all connected with the kathode of the power supply.
Description
The utility model relates to the electric horn of motor vehicle field.
At present, what motorcycle, automobile used is type horn since loudspeaker break-make frequency height, the each working current of contact is big at work, contact burns out easily, so the loudspeaker life-span is short.These loudspeaker adopt mechanical switch simultaneously, and the mechanical arm frequency of operation height of switch causes that easily fatigue of materials produces distortion or fracture; The insulation mode that mechanical arm and shell adopt is the offset plate insulation, and offset plate is easily ground away and lost insulating effect, and makes loudspeaker malfunctioning.
The purpose of this utility model provides a kind of motor vehicle contact-less electric horn, its simple in structure, working stability, not fragile, convenient for production, long service life at the above-mentioned deficiency of existing type horn exactly.
The technical solution of the utility model is: the motor vehicle contact-less electric horn, comprise electric horn and signal oscillating generator, and the signal oscillating generator is by integrated circuit (IC), triode BG
1, BG
2, capacitor C and adjustable resistance R form; 3 pin of integrated circuit (IC) meet triode BG
1Base stage, triode BG
1Emitter meet triode BG
2Base stage, BG
2Collector connect an end of the coil of electric horn, 2 pin of integrated circuit (IC) and 6 pin are received an end of capacitor C simultaneously, adjustable resistance R one end links to each other with capacitor C, and its armature contact links to each other with 7 pin of integrated circuit (IC), an end of adjustable resistance, 4 pin of integrated circuit (IC) and 8 pin, triode BG
1Collector and an end of electric horn coil all connect positive source, an end of capacitor C, 1 pin of integrated circuit and triode BG
2Emitter all connect power cathode.Can also 3 pin of integrated circuit (IC) are unsettled, triode BG
1Base stage link to each other with 7 pin of integrated circuit by resistance, between 7 pin of the armature contact of adjustable resistance R and integrated circuit the serial connection diode; Integrated circuit (IC) is time-base integrated circuit or digital integrated circuit.
Advantage of the present utility model is, because of having cancelled the insulating material at contact, mechanical arm and mechanical arm and housing contacts place, uses electronic switch instead, thereby than long 8-10 times of life-span of existing contact electric horn; Owing to adopt electronic original part as control device, the loudspeaker working stability is convenient to maintenance simultaneously, is safeguarded.
Accompanying drawing 1 is circuit theory diagrams of the present utility model.
Embodiment: the integrated circuit (IC) of signal oscillating generator is selected NE555 for use, triode BG
1Select 3DD325, BG for use
2Select 3DD15D or 3DD15E for use, it is 0.022uF that capacitor C is selected ceramic disc capacitor device, electric capacity for use, and R selects the variable resistor of 100K Ω for use, and supply voltage value is 12 volts of direct currents, and electric horn is selected automobile contact electric horn for use, but removes the contact.The line connection of pressing circuit theory diagrams gets final product, can be with the integrated electric horn inside that is contained in of signal oscillating generator.
Principle of work: after the energized, capacitor C is charged through adjustable resistance R, after charging voltage point is charged to and is higher than 2/3Vcc, triode starts in the integrated circuit (IC), when the electric charge on the capacitor C is discharged into the point voltage and is lower than 1/3Vcc, triode is closed in the integrated circuit (IC), and adjustable resistance R repeats said process generation square wave oscillation again to the capacitor C charging; By the 3 pin output square-wave signal of integrated circuit (IC), through triode BG
1Amplify triode BG
2Drive the electric horn coil and produce magnetic field and sounding.
Claims (3)
1, motor vehicle contact-less electric horn comprises electric horn and signal oscillating generator, it is characterized in that the signal oscillating generator is by integrated circuit (IC), triode BG
1, BG
2, capacitor C and adjustable resistance R form; 3 pin of integrated circuit (IC) meet triode BG
1Base stage, triode BG
1Emitter meet triode BG
2Base stage, triode BG
2Collector connect coil one end of electric horn, 2 pin of integrated circuit (IC) and 6 pin are received an end of capacitor C simultaneously, adjustable resistance R one end links to each other with capacitor C, and its armature contact links to each other with 7 pin of integrated circuit, an end of adjustable resistance, 4 pin of integrated circuit (IC) and 8 pin, triode BG
1Collector and an end of electric horn circle all connect positive source, an end of capacitor C, 1 pin of integrated circuit and triode BG
2Emitter all connect power cathode.
2, electric horn according to claim 1 can also be unsettled with 3 pin of integrated circuit (IC), triode BG
1Base stage link to each other with 7 pin of integrated circuit by resistance, between 7 pin of the armature contact of adjustable resistance R and integrated circuit the serial connection diode.
3, according to claim 1 and 2 is electric horn, it is characterized in that integrated circuit (IC) is time-base integrated circuit or digital integrated circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94248632 CN2216711Y (en) | 1994-12-21 | 1994-12-21 | Non-contact electric horn for automotive vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94248632 CN2216711Y (en) | 1994-12-21 | 1994-12-21 | Non-contact electric horn for automotive vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2216711Y true CN2216711Y (en) | 1996-01-03 |
Family
ID=33853500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94248632 Expired - Fee Related CN2216711Y (en) | 1994-12-21 | 1994-12-21 | Non-contact electric horn for automotive vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2216711Y (en) |
-
1994
- 1994-12-21 CN CN 94248632 patent/CN2216711Y/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 |