CN203592968U - Vehicle alarm - Google Patents
Vehicle alarm Download PDFInfo
- Publication number
- CN203592968U CN203592968U CN201320641484.9U CN201320641484U CN203592968U CN 203592968 U CN203592968 U CN 203592968U CN 201320641484 U CN201320641484 U CN 201320641484U CN 203592968 U CN203592968 U CN 203592968U
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- aerotron
- pin
- micro controller
- control circuit
- controller system
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- Burglar Alarm Systems (AREA)
Abstract
The utility model provides a vehicle alarm and relates to the technical field of vehicle warning, for solving the problems that conventional vehicle alarms are complex in circuit board line, relatively high in cost, and undiversified in function. The vehicle alarm comprises a vibration alarm control circuit, a buzzing control circuit, a turning flash control circuit, and a single-chip microcomputer, wherein the single-chip microcomputer is used for controlling the vibration alarm control circuit, the buzzing control circuit, and the turning flash control circuit, and a pin 1 of the single-chip microcomputer is connected with a main power supply sequentially through a voltage stabilizing diode D2 and a voltage reducing resistor R1 for voltage reduction. The vehicle alarm adopts a circuit design that the 8-pin single-chip microcomputer realizes multiplexing through the pins so that the size of a circuit board is effectively reduced and the single-chip microcomputer is enabled to function maximally. The vehicle alarm is concise in line and low in cost, and is economical and practical.
Description
Technical field
The utility model relates to Warning for vehicle technical field, refers to especially three function warning devices for a kind of vehicle.
Background technology
Along with the raising day by day of people's living standard, various vehicles has been come into huge numbers of families, and burglar alarm is adopted by increasing vehicle, and still, vehicle burglar alarm function singleness at present, is used inconvenient.Three function warning devices for so-called vehicle, refer to integrate common loudspeaker, turn to flashing light, Novel alarm that three functions are reported to the police in vibrations.
Utility model content
The utility model proposes a kind of vehicle alarm, solved the problem of the higher and function singleness of circuit board line complexity in prior art, cost.
The technical solution of the utility model is achieved in that and comprises vibrations alarm control circuit, buzzing control circuit, turning flash control circuit and micro controller system, and described vibrations alarm control circuit, described buzzing control circuit and described turning flash control circuit are connected with described micro controller system respectively; Described vibrations alarm control circuit comprises shock sensor K1, and described shock sensor K1 one end is connected with the pin 5 of described micro controller system, and the other end is connected with the pin 4 of described micro controller system by resistance R 2; Described buzzing control circuit comprises buzzer phone HA and for to signal amplifying signal amplifying circuit, described buzzer phone HA is connected with pin two, the pin 3 of described micro controller system by described signal amplification circuit; Described turning flash control circuit comprises that flash of light drives aerotron Q1, drives the aerotron Q2 of aerotron Q1 for driving to glisten, and the collecting electrode of described aerotron Q2 drives the base stage of aerotron Q1 to be connected with described flash of light; Described micro controller system is used for controlling described vibrations alarm control circuit, described buzzing control circuit and described turning flash control circuit, and the pin one of described micro controller system passes through successively zener diode D2, is connected with main power source for the dropping resistor R1 of step-down.
As the preferred technical scheme of one, described flash of light drives the collecting electrode of aerotron Q1 to be divided into two branch roads, and one of them branch road is connected with the pin 6 of described micro controller system by a resistance R 3, and another branch road is directly connected with turn signal swich K2; The emitter of described aerotron Q2 is connected with the pin 5 of described micro controller system by resistance R 7, and the base stage of described aerotron Q2 is connected with the pin of described micro controller system 4.Meanwhile, one end of shock sensor K1 also connects the pin 5 of micro controller system, and the other end of shock sensor K1 connects the pin 4 of micro controller system by resistance R 2; The pin 6 of micro controller system, pin 5 and pin 4 have obtained respectively repeated usage like this, and the circuit layout of this pin multiplexing of micro controller system has effectively reduced the area of circuit card, has brought into play to greatest extent the function of micro controller system, has further reduced cost of manufacture.
As the preferred technical scheme of one, described signal amplification circuit comprises driving aerotron Q3, drive aerotron Q4, drive aerotron Q5 and drive aerotron Q6, described driving aerotron Q3, the base stage of described driving aerotron Q6 is respectively by resistance R 14, the pin 3 of R17 and described micro controller system, pin two is connected, described driving aerotron Q3, the emitter of described driving aerotron Q6 is connected with the pin 8 of described micro controller system, the base stage of described driving aerotron Q4 is connected with one end of described buzzer phone HA by resistance R 15, described driving aerotron Q4, the collecting electrode of described driving aerotron Q6 is directly connected with the other end of described buzzer phone HA, the base stage of described driving aerotron Q5 is also connected with this end of described buzzer phone HA by resistance R 16, described driving aerotron Q4, the emitter of described driving aerotron Q5 is connected with main power source by current-limiting resistance RC, the collecting electrode of described driving aerotron Q3 is directly connected with the collecting electrode of described driving aerotron Q5.In buzzing control circuit, buzzer phone HA is directly connected with the pin of micro controller system by signal amplification circuit, does not adopt inductance element, and simple in circuits is further saved cost of manufacture.
As the preferred technical scheme of one, on described vehicle alarm, be also connected with car electric door lock K switch 3, buzzer phone button switch SB1, described car electric door lock K switch 3 is connected with the pin 4 of described micro controller system by resistance R 9, and described buzzer phone button switch SB1 is connected with the pin 7 of described micro controller system by resistance R 11.
As the preferred technical scheme of one, between described main power source and described zener diode D2, be provided with one for filtering the filter capacitor C1 of power supply clutter.
As the preferred technical scheme of one, the pin 8 of described micro controller system is connected with main power source negative pole by diode D1.For anti-reverse protection.
As the preferred technical scheme of one, described micro controller system is 8 pin micro controller systems.Adopt 8 pin micro controller systems can realize the connection of circuit, the area of circuit card is reduced, line arrangement is reasonable, economical and practical.
Working process: after switching on power, whole board circuit is connected; When opening after car electric door lock K switch 3, press buzzer phone button switch SB1, buzzer phone HA send " too " sound, realized the function of common loudspeaker; Stir turn signal swich K2, vehicle alarm control steering indicating light starts batch (-type) flash of light, and buzzer phone HA synchronously sends " Di Di " sound, has realized flashing buzzer function.Close car electric door lock K switch 3, press buzzer phone button switch SB1 or continuous twice of switch car electric door lock in 5 seconds, vehicle alarm enters the state of setting up defences, now, if vehicle is given a shock, send early warning sound, continuous vibration sends six sound continuous alarm sound, open after car electric door lock K switch 3, vehicle alarm is removed alarm condition.While directly turning off car electric door lock, the annunciator prompt tone that pipes, but warning circuit is not worked.
The beneficial effects of the utility model: the utility model adopts 8 pin micro controller systems to control vibrations alarm control circuit, buzzing control circuit, turning flash control circuit, shock sensor K1 one end in vibrations alarm control circuit is connected with the pin 5 of micro controller system, and the other end is connected with the pin 4 of micro controller system by resistance R 2; The emitter of aerotron Q2 is connected with the pin of micro controller system 5, and its base stage is connected with the pin 4 of micro controller system; The circuit layout of this pin multiplexing of micro controller system, has broken through conventional thought, has solved the problem of mcu resource deficiency, can bring into play to greatest extent the function of micro controller system, has effectively reduced the area of circuit card, and its simple in circuits is with low cost; Buzzer phone HA is directly connected with pin 3 with the pin two of micro controller system by signal amplification circuit; save inductance element; simultaneously; putting reverse connecting protection diode D1 is connected with main power source negative pole; diode D1 can select the low withstand voltage low cost diode of little electric current; further reduce cost of manufacture, economical and practical.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only an embodiment of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is schematic circuit diagram of the present utility model.
The specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only embodiment of the utility model, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, the utility model comprises vibrations alarm control circuit, buzzing control circuit, turning flash control circuit and micro controller system, and described vibrations alarm control circuit, described buzzing control circuit and described turning flash control circuit are connected with described micro controller system respectively; Described vibrations alarm control circuit comprises shock sensor K1, and described shock sensor K1 one end is connected with the pin 5 of described micro controller system, and the other end is connected with the pin 4 of described micro controller system by resistance R 2; Described buzzing control circuit comprises buzzer phone HA and for to signal amplifying signal amplifying circuit, described buzzer phone HA is connected with pin two, the pin 3 of described micro controller system by described signal amplification circuit; Described turning flash control circuit comprises that flash of light drives aerotron Q1, drives the aerotron Q2 of aerotron Q1 for driving to glisten, and the collecting electrode of described aerotron Q2 drives the base stage of aerotron Q1 to be connected with described flash of light; Described micro controller system is used for controlling described vibrations alarm control circuit, described buzzing control circuit and described turning flash control circuit, and the pin one of described micro controller system passes through successively zener diode D2, is connected with main power source for the dropping resistor R1 of step-down.
Described flash of light drives the collecting electrode of aerotron Q1 to be divided into two branch roads, and one of them branch road is connected with the pin 6 of described micro controller system by a resistance R 3, and another branch road is directly connected with turn signal swich K2; The emitter of described aerotron Q2 is connected with the pin 5 of described micro controller system by resistance R 7, and the base stage of described aerotron Q2 is connected with the pin of described micro controller system 4.
Described signal amplification circuit comprises driving aerotron Q3, drive aerotron Q4, drive aerotron Q5 and drive aerotron Q6, described driving aerotron Q3, the base stage of described driving aerotron Q6 is respectively by resistance R 14, the pin 3 of R17 and described micro controller system, pin two is connected, described driving aerotron Q3, the emitter of described driving aerotron Q6 is connected with the pin 8 of described micro controller system, the base stage of described driving aerotron Q4 is connected with one end of described buzzer phone HA by resistance R 15, described driving aerotron Q4, the collecting electrode of described driving aerotron Q6 is directly connected with the other end of described buzzer phone HA, the base stage of described driving aerotron Q5 is also connected with this end of described buzzer phone HA by resistance R 16, described driving aerotron Q4, the emitter of described driving aerotron Q5 is connected with main power source by current-limiting resistance RC, the collecting electrode of described driving aerotron Q3 is directly connected with the collecting electrode of described driving aerotron Q5.
On described vehicle alarm, be also connected with car electric door lock K switch 3, buzzer phone button switch SB1, described car electric door lock K switch 3 is connected with the pin 4 of described micro controller system by resistance R 9, and described buzzer phone button switch SB1 is connected with the pin 7 of described micro controller system by resistance R 11.Between described main power source and described zener diode D2, be provided with one for filtering the filter capacitor C1 of power supply clutter.The pin 8 of described micro controller system is connected with main power source negative pole by diode D1.Described micro controller system is 8 pin micro controller systems.
Working process: after switching on power, whole board circuit is connected; When opening after car electric door lock K switch 3, press buzzer phone button switch SB1, buzzer phone HA send " too " sound, realized the function of common loudspeaker; Stir turn signal swich K2, vehicle alarm control steering indicating light starts batch (-type) flash of light, and buzzer phone HA synchronously sends " Di Di " sound, has realized flashing buzzer function.Close car electric door lock K switch 3, press buzzer phone button switch SB1 or continuous twice of switch car electric door lock in 5 seconds, vehicle alarm enters the state of setting up defences, now, if vehicle is given a shock, send early warning sound, continuous vibration sends six sound continuous alarm sound, open after car electric door lock K switch 3, remove alarm condition.While directly turning off car electric door lock, the annunciator prompt tone that pipes, but warning circuit is not worked.
The beneficial effects of the utility model: the utility model adopts 8 pin micro controller systems to control vibrations alarm control circuit, buzzing control circuit, turning flash control circuit, shock sensor K1 one end in vibrations alarm control circuit is connected with the pin 5 of micro controller system, and the other end is connected with the pin 4 of micro controller system; The emitter of aerotron Q2 is connected with the pin of micro controller system 5, and its base stage is connected with the pin 4 of micro controller system; The circuit layout of this pin multiplexing of micro controller system, has broken through conventional thought, has solved the problem of mcu resource deficiency, can bring into play to greatest extent the function of micro controller system, has effectively reduced the area of circuit card, and its simple in circuits is with low cost; Buzzer phone HA is directly connected with pin 3 with the pin two of micro controller system by signal amplification circuit; save inductance element; simultaneously; putting reverse connecting protection diode D1 is connected with main power source negative pole; diode D1 can select the low withstand voltage low cost diode of little electric current; further reduce cost of manufacture, economical and practical.
The foregoing is only preferred embodiment of the present utility model; be not sufficient to limit the utility model; all within spirit of the present utility model and principle; any modification of doing, be equal to replacement, improvement etc.; particularly the exchange of micro controller system pin is used, within all should being included in protection domain of the present utility model.
Claims (7)
1. a vehicle alarm, it is characterized in that: comprise vibrations alarm control circuit, buzzing control circuit, turning flash control circuit and micro controller system, described vibrations alarm control circuit, described buzzing control circuit and described turning flash control circuit are connected with described micro controller system respectively;
Described vibrations alarm control circuit comprises shock sensor K1, and described shock sensor K1 one end is connected with the pin 5 of described micro controller system, and the other end is connected with the pin 4 of described micro controller system by resistance R 2;
Described buzzing control circuit comprises buzzer phone HA and for to signal amplifying signal amplifying circuit, described buzzer phone HA is connected with pin two, the pin 3 of described micro controller system by described signal amplification circuit;
Described turning flash control circuit comprises that flash of light drives aerotron Q1, drives the aerotron Q2 of aerotron Q1 for driving to glisten, and the collecting electrode of described aerotron Q2 drives the base stage of aerotron Q1 to be connected with described flash of light;
Described micro controller system is used for controlling described vibrations alarm control circuit, described buzzing control circuit and described turning flash control circuit, and the pin one of described micro controller system passes through successively zener diode D2, is connected with main power source for the dropping resistor R1 of step-down.
2. vehicle alarm according to claim 1, it is characterized in that: described flash of light drives the collecting electrode of aerotron Q1 to be divided into two branch roads, one of them branch road is connected with the pin 6 of described micro controller system by a resistance R 3, and another branch road is directly connected with turn signal swich K2; The emitter of described aerotron Q2 is connected with the pin 5 of described micro controller system by resistance R 7, and the base stage of described aerotron Q2 is connected with the pin of described micro controller system 4.
3. vehicle alarm according to claim 1 and 2, it is characterized in that: described signal amplification circuit comprises driving aerotron Q3, drive aerotron Q4, drive aerotron Q5 and drive aerotron Q6, described driving aerotron Q3, the base stage of described driving aerotron Q6 is respectively by resistance R 14, the pin 3 of R17 and described micro controller system, pin two is connected, described driving aerotron Q3, the emitter of described driving aerotron Q6 is connected with the pin 8 of described micro controller system, the base stage of described driving aerotron Q4 is connected with one end of described buzzer phone HA by resistance R 15, described driving aerotron Q4, the collecting electrode of described driving aerotron Q6 is directly connected with the other end of described buzzer phone HA, the base stage of described driving aerotron Q5 is also connected with this end of described buzzer phone HA by resistance R 16, described driving aerotron Q4, the emitter of described driving aerotron Q5 is connected with main power source by current-limiting resistance RC, the collecting electrode of described driving aerotron Q3 is directly connected with the collecting electrode of described driving aerotron Q5.
4. vehicle alarm according to claim 1, it is characterized in that: on described vehicle alarm, be also connected with car electric door lock K switch 3, buzzer phone button switch SB1, described car electric door lock K switch 3 is connected with the pin 4 of described micro controller system by resistance R 9, and described buzzer phone button switch SB1 is connected with the pin 7 of described micro controller system by resistance R 11.
5. vehicle alarm according to claim 1, is characterized in that: between described main power source and described zener diode D2, be provided with one for filtering the filter capacitor C1 of power supply clutter.
6. vehicle alarm according to claim 1, is characterized in that: the pin 8 of described micro controller system is connected with main power source negative pole by diode D1.
7. vehicle alarm according to claim 1, is characterized in that: described micro controller system is 8 pin micro controller systems.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320641484.9U CN203592968U (en) | 2013-10-17 | 2013-10-17 | Vehicle alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320641484.9U CN203592968U (en) | 2013-10-17 | 2013-10-17 | Vehicle alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203592968U true CN203592968U (en) | 2014-05-14 |
Family
ID=50673875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320641484.9U Expired - Fee Related CN203592968U (en) | 2013-10-17 | 2013-10-17 | Vehicle alarm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203592968U (en) |
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2013
- 2013-10-17 CN CN201320641484.9U patent/CN203592968U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140514 Termination date: 20141017 |
|
| EXPY | Termination of patent right or utility model |