CN2215761Y - Loudspeaker for vehicles - Google Patents
Loudspeaker for vehicles Download PDFInfo
- Publication number
- CN2215761Y CN2215761Y CN 94242585 CN94242585U CN2215761Y CN 2215761 Y CN2215761 Y CN 2215761Y CN 94242585 CN94242585 CN 94242585 CN 94242585 U CN94242585 U CN 94242585U CN 2215761 Y CN2215761 Y CN 2215761Y
- Authority
- CN
- China
- Prior art keywords
- pin
- loudspeaker
- diode
- integrated circuit
- electric bridge
- 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
Links
Images
Landscapes
- Amplifiers (AREA)
Abstract
The utility model relates to a loudspeaker for vehicles, which is composed of an electric bridge, a self-excited oscillator, a power amplifier and loudspeakers. The components and the loudspeakers are of the integration, and only two input ends are worked as the contact points for connecting a power supply. When the utility model is connected with the power supply, the utility model has no requirements of the polar. The utility model is the ideal horn used on the vehicles and has the advantages of the small consumption of the power supply, and long service life.
Description
The utility model belongs to the electroacoustic techniques application.
At present, the automobile horn on the market is type horn, and its shortcoming is that working current is big, easily causes automobile-used storage battery to damage, and because of constantly sparking, easily produces arcing, influences the serviceable life of loudspeaker.
It is little that the purpose of this utility model provides a kind of working current, the energy-saving automobile horn of long service life.
The utility model is made up of electric bridge (D1, D2, D3, D4), self-excited oscillator (R1, R2, C, Ic), power amplifier (BG, R3), loudspeaker (B); The A end of electric bridge and the negative pole of diode D1, the positive pole of diode D2 links to each other, the G end of electric bridge is connected with the positive pole of diode D3, the negative pole of diode D4, after the negative pole of diode D2, D3 in the electric bridge links to each other, be connected with 4,8 pin of resistor R 1 one ends, integrated circuit Ic, coil L one end in the loudspeaker B respectively, diode D1, D4 in the electric bridge are anodal link to each other after, be connected with the emitter e of transistor BG in 1 pin of integrated circuit Ic, capacitor C one end, the power amplifier respectively; 2,6 pin of integrated circuit Ic in the self-excited oscillator link to each other, and 4,8 pin link to each other, and resistor R 1 is connected across between 2,4 pin of Ic, and resistor R 2 is connected across between 2,3 pin of Ic, and capacitor C is connected across between 1,2 pin of Ic; The base stage b of transistor BG in the power amplifier links to each other with 3 pin of integrated circuit Ic by resistor R 3, and the collector C of transistor BG links to each other with 4,8 pin of integrated circuit Ic by the coil L in the loudspeaker B.
Electric bridge (D1, D2, D3, D4), self-excited oscillator (R1, R2, C, Ic), power amplifier (BG, R3), loudspeaker B are assembled together, as a whole, two input end A, G are only arranged, as the contact that meets power supply Vc, the positive and negative electrode of power supply Vc can be connected on arbitrarily on input end A, the G, and that the integrated circuit Ic in the self-excited oscillator adopts is N555.
Accompanying drawing is the utility model electrical schematic diagram.
Among the figure: Ic is an integrated circuit, and model is N555; R1, R2, R3 are resistor; C is a capacitor; BG is a transistor; D1, D2, D3, D4 are diode; B is loudspeaker.Vc is automobile-used storage battery.
Now in conjunction with the accompanying drawings the utility model is described further:
Press the automobile horn of accompanying drawing assembling, its parts and loudspeaker are an integral body, two input end A, G are only arranged as the contact that meets power supply Vc, the positive and negative electrode of power supply Vc can be connected on input end A, the G arbitrarily, after energized, self-excited oscillator produces oscillator signal, promotes loudspeaker through power amplification and produces the sound.
Claims (2)
1, a kind of automobile horn is characterized in that: it is made up of electric bridge (D1, D2, D3, D4), self-excited oscillator (R1, R2, C, Ic), power amplifier (BG, R3), loudspeaker (B); The A end of electric bridge and the negative pole of diode D1, the positive pole of diode D2 links to each other, the G end of electric bridge is connected with the positive pole of diode D3, the negative pole of diode D4, after the negative pole of diode D2, D3 in the electric bridge links to each other, be connected with 4,8 pin of resistor R 1 one ends, integrated circuit Ic, coil L one end in the loudspeaker B respectively, diode D1, D4 in the electric bridge are anodal link to each other after, be connected with the emitter e of transistor BG in 1 pin of integrated circuit Ic, capacitor C one end, the power amplifier respectively; 2,6 pin of integrated circuit Ic in the self-excited oscillator link to each other, and 4,8 pin link to each other, and resistor R 1 is connected across between 2,4 pin of Ic, and resistor R 2 is connected across between 2,3 pin of Ic, and capacitor C is connected across between 1,2 pin of Ic; The base stage b of transistor BG in the power amplifier links to each other with 3 pin of integrated circuit Ic by resistor R 3, and the collector C of transistor BG links to each other with 4,8 pin of integrated circuit Ic by the coil L in the loudspeaker B.
2, automobile horn according to claim 1, it is characterized in that: electric bridge (D1, D2, D3, D4), self-excited oscillator (R1, R2, C, Ic), power amplifier (BG, R3), loudspeaker B are assembled together, as a whole, two input end A, G are only arranged, as the contact that meets power supply Vc, the positive and negative electrode of power supply Vc can be connected on arbitrarily on input end A, the G, and that the integrated circuit Ic in the self-excited oscillator adopts is N555.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94242585 CN2215761Y (en) | 1994-09-12 | 1994-09-12 | Loudspeaker for vehicles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94242585 CN2215761Y (en) | 1994-09-12 | 1994-09-12 | Loudspeaker for vehicles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2215761Y true CN2215761Y (en) | 1995-12-20 |
Family
ID=33849149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94242585 Expired - Fee Related CN2215761Y (en) | 1994-09-12 | 1994-09-12 | Loudspeaker for vehicles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2215761Y (en) |
-
1994
- 1994-09-12 CN CN 94242585 patent/CN2215761Y/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2215761Y (en) | Loudspeaker for vehicles | |
| CN209358778U (en) | A kind of hearing aid low-voltage alarm circuit | |
| CN2225719Y (en) | Electron horn for automobile | |
| CN210490527U (en) | Dummy load energy-saving charger circuit | |
| CN211791470U (en) | Wireless switch circuit | |
| CN201146487Y (en) | Electronic switch for cars | |
| CN2226332Y (en) | Contactless electronic vehicle hooter | |
| CN2212871Y (en) | Contactless electric horn | |
| CN2098124U (en) | Sound and light control switch | |
| CN2695295Y (en) | Vehicle contactless electric horn | |
| CN211207132U (en) | 2.4G full-range remote control ship control circuit | |
| CN2605637Y (en) | Electronic signalling device for motor-driven cars and boats | |
| CN2513232Y (en) | Hand swing charger for mobile phone | |
| CN210273526U (en) | Intelligent driving circuit of wireless charger | |
| CN2192114Y (en) | Superminiature audiphone | |
| CN209787516U (en) | active dummy load circuit | |
| CN209419964U (en) | Rechargeable LED light | |
| CN2590121Y (en) | Automobile electronic horn | |
| CN207019018U (en) | A kind of LED driver | |
| CN2313783Y (en) | Contactless long-life turning flasher for motor vehicle | |
| CN2298170Y (en) | Non-contact electronic flasher for vehicle | |
| CN2419737Y (en) | Electric power | |
| CN2225096Y (en) | Portable charger indicator | |
| CN2298972Y (en) | General electronic flashing buzzer | |
| CN2699617Y (en) | Trigger circuit of solar energy lamp |
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 |