CN2735460Y - Vehicle-carrying alcohol detecting control device - Google Patents
Vehicle-carrying alcohol detecting control device Download PDFInfo
- Publication number
- CN2735460Y CN2735460Y CN 200420093221 CN200420093221U CN2735460Y CN 2735460 Y CN2735460 Y CN 2735460Y CN 200420093221 CN200420093221 CN 200420093221 CN 200420093221 U CN200420093221 U CN 200420093221U CN 2735460 Y CN2735460 Y CN 2735460Y
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- CN
- China
- Prior art keywords
- circuit
- electrically connected
- microprocessor
- vehicle
- resistance
- 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 belongs to technical field of automatic detection and control, comprising an alcohol sensor, a microprocessor, a switch circuit, an adjustable delay circuit and an alarm circuit. When a driver enters a cab, the alcohol sensor in a vehicle can send a detected electrical signal to the microprocessor if the driver overdrinks, the electrical signal after processing can switch off the start switch of the vehicle and can send out acoustooptical alarm, and thus the loss of life and property of a drinker and other people due to the drinker driving on road is avoided.
Description
Technical field
The utility model relates to the automatic control technology field, particularly in the automobile alcohol content signal is become the automatic Detection ﹠ Controling field behind the electric signal.
Background technology
In order to prevent the driver to drive when intoxicated, can detect person for driving a car's alcohol content usually.Existing alcohol detecting device is the alcohol detector that the traffic policeman hands on the common roadway, it can measure the size of alcoholic ingredient content in driver's breath, whether exceed standard with the specified standard contrast, if surpass specified standard, for guaranteeing traffic safety, the traffic police can stop car, and does respective handling.Though this kind alcohol detector can be used, but there is following obvious deficiency in it, be that traffic police on the road can not always and everywhere drive each the driver by people detection, when no people detection, drink beyond one's capacity like this or drunk driver still can drive on the way to travel, cause great traffic hidden danger.
The utility model content
The purpose of this utility model is to provide a kind of alcohol content testing circuit of being controlled automatically by microprocessor, makes its directly automaton of Control of Automobile starting switch.
The utility model by the following technical solutions for achieving the above object: a kind of vehicle-mounted alcohol detection control apparatus, comprise microprocessor, hummer, be used to detect the sensor circuit of alcohol content, vehicle-mounted+the 12V accumulator, AHA three ends of alcohol sensor MQ in the described alcohol sensor circuit and connect after be electrically connected to a point of power circuit, its H holds a branch road ground connection, the BB end is by potentiometer R
7, resistance R
11Be electrically connected to the ADCO port of microprocessor, electricity is connected to capacitor C between this port and the ground
8This device also comprises power circuit, on-off circuit, fault and sound light alarming circuit, the adjustable delay circuit that is used to provide stable+5V DC voltage, and with the microprocessor is the center, sensor circuit, power circuit, on-off circuit, fault and sound light alarming circuit, adjustable delay circuit, be electrically connected to the corresponding port of microprocessor respectively, the output terminal a of power circuit at b, c, d, e, f, 5 places respectively to adjustable delay circuit, microprocessor, hummer Q
2, alcohol sensor MQ provides+the 5V DC voltage, the output terminal X of sensor circuit is electrically connected to the pin of microprocessor, the adjustable delay circuit is electrically connected to 23 pins of microprocessor at the g end, the input end h of on-off circuit is electrically connected to 12 pins of microprocessor, the pin of microprocessor is electrically connected to the ijk1 end of fault and sound light alarming circuit, and the input of power circuit is by socket CON
2Be electrically connected to vehicle-mounted 12V accumulator, the output terminal MN of on-off circuit is by socket CON
1Can be connected to the contact of automobile starting ignition coil control or the starter coil of automobile starting key switch or diesel engine respectively.
Switching tube Q in the described on-off circuit
3Base stage b
3Pass through resistance R
3Be electrically connected to 12 pins of microprocessor at the h place, switching tube Q
3Collector C
3By diode D
6Be electrically connected to vehicle-mounted+12V accumulator with coil two ends of relay J and after connecing, the normally closed contact MN of relay J is by edge connector CON
1Be electrically connected to the starter coil of automobile starting ignition coil or automobile starting key switch or diesel engine.
Transistor Q in described fault and the sound light alarming circuit
1Base stage pass through resistance R
2Be electrically connected to the PD of microprocessor
3Port, its grounded emitter, its collector is electrically connected to an end of hummer, and its other end e is electrically connected to the 5V DC voltage output point a of on-off circuit; Light emitting diode D
2, D
3, D
4Positive pole is resistance in series R separately
4, R
5, R
6After, its negative pole is electrically connected to the PD of microprocessor IC respectively
0To PD
2Port, resistance R
4-6The other end connect together, be electrically connected to a point in the power circuit.
Described adjustable delay circuit is by potentiometer R
10Be electrically connected resistance R
1After be serially connected in+5V and ground between, its movable contact passes through resistance R
9Be electrically connected to the ADC of microprocessor 23 pin at the g point
1Port is connected with capacitor C between this port and the ground
7
Described on-off circuit one side is by edge connector CON
1Be electrically connected to vehicle-mounted+12V direct-flow storage battery power supply, opposite side is through diode D
1Series resistor R
1With three terminal regulator U
1U
11End joins, voltage stabilizer U
12End ground connection, U
13Join U with+5V output terminal a
13And between the ground and be connected to electrochemical capacitor C
4Branch road, light emitting diode D
1With resistance R
1Series arm, capacitor C
3Branch road and inductance L
1The serial connection capacitor C
9Branch road, U
11And between the ground respectively and be connected to capacitor C
1And C
2Branch road.
Owing to adopt above technical scheme, the utlity model has following remarkable result:
1, the alcohol sampling is convenient, alcohol sensor of the present utility model places in the car, its testing result, detection by microprocessor is handled, direct Control of Automobile starting switch, if person for driving a car's alcohol content exceeds standard, the driver can't start automobile, so promptly alleviate supervisory personnel's labour intensity, can reduce the generation of the various traffic hazard adverse consequencess that cause because of driver's wine-drinking again greatly.
2, sensitivity is adjustable, and great alcohol concentration can disconnect automobile starting switch, and this value is adjustable, as driver's wine-drinking half two still be 1 liang the automobile starting switch disconnection can artificially be set.
3, whether circuit function normally has pilot lamp to show, also has the buzzer call warning to note to cause each side when alcohol concentration is too high except that the light demonstration is arranged.
4, through certain hour, behind the releasing alcohol alarm, the utility model also can recover normal operating conditions automatically, and it is promptly convenient again safely to use.
Description of drawings
Fig. 1, the utility model electrical schematic diagram.
Wherein: 1-power circuit, 2-on-off circuit, 3-fault and sound light alarming circuit, 4-alcohol sensor circuit, 5-adjustable delay circuit, IC-microprocessor, Q
1, Q
3-transistor, D
1-D
4-light emitting diode, D
5, D
6-diode, B-hummer, J-relay, K-relay tip switch, CON1, CON2-edge connector, MQ-alcohol sensor.
Embodiment
Alcohol sensor in the utility model (usually claim probe) MQ places in the car, and alcohol concentration change electric signal into during it can be exhaled the driver, in Fig. 1 alcohol sensor MQ output signal at the P point through potentiometer R
7, resistance R
3Send into the ADC0 port of microprocessor IC, just often, alcohol-free signal P point current potential is 1, the PDS of microprocessor IC (T1) end output electronegative potential, switching transistor Q3 is in by off state, no current passes through in the relay J coil, and the normally closed contact of its contact K is connected in series to the automobile ignition coil loop, and automobile can normally start.After person for driving a car's alcohol content surpassed certain standard, after alcohol sensor MQ was transformed to electric signal, P point current potential raise, and after this pulse signal was sent into microprocessor IC, through its calculation process, its PDS (T) port current potential generation positive transition caused switching tube Q
3Base potential raises, the switching tube conducting, and that the relay J coil gets is electric, the normal opened contact closure of its contact K, and normally closed contact disconnects, and to the automobile ignition coil power supply is disconnected, guarantees the person for driving a car that alcohol content exceeds standard, and can't start automobile.Adjustable delay circuit 5 can be set delay time as for 15-100 minute, or sets as required, treats that the electric signal that the clear-headed back of person for driving a car alcohol is transformed into disappears, and circuit still can make microprocessor PDS (T) end output negative pulse.Make switching tube Q
3End, relay J outage back contact K becomes normally closedly from often opening, and the automobile starting coil gets electric, its switch closure, and the person for driving a car can continue to drive a car to set out on a journey, and traffic hazard can be not again take place because of drunk in this moment yet.
The utility model power circuit 1 is provided with three-terminal voltage-stabilizing element U
1With inductance, electric capacity, can guarantee provides reliable and stable+5V DC voltage for control circuit.
During operate as normal, the light emitting diode D in the power circuit 1
1With output circuit light emitting diode D
2Luminous, indication circuit is working properly, when alcohol content exceeds standard in the car, and warning diode D
4Lamp is bright, and hummer B pipes, the light emitting diode D of expression accident
3Bright.
The utility model is simple in structure easy to install and use, has reduced the hidden danger of security incident greatly, has good economic benefit and social benefit.
Claims (5)
1, a kind of vehicle-mounted alcohol detection control apparatus, comprise microprocessor (IC), hummer (B), be used to detect the sensor circuit (4) of alcohol content, vehicle-mounted+the 12V accumulator, AHA three ends of alcohol sensor MQ in the described alcohol sensor circuit (4) and connect after be electrically connected to a point of power circuit (1), its H holds a branch road ground connection, the BB end is by potentiometer R
7, resistance R
11Be electrically connected to the ADCO port of microprocessor (IC), electricity is connected to capacitor C between this port and the ground
8It is characterized in that: this device also comprises the power circuit (1) that is used to provide stable+5V DC voltage, on-off circuit (2), fault and sound light alarming circuit (3), adjustable delay circuit (5), and with microprocessor (IC) is the center, sensor circuit (4), power circuit (1), on-off circuit (2), fault and sound light alarming circuit (3), adjustable delay circuit (5), be electrically connected to the corresponding port of microprocessor (IC) respectively, the output terminal a of power circuit (1) is at b, c, d, e, f, 5 places are respectively to adjustable delay circuit (5), microprocessor (IC), hummer Q
2, alcohol sensor MQ provides+the 5V DC voltage, the output terminal X of sensor circuit (4) is electrically connected to (24) pin of microprocessor, adjustable delay circuit (5) is electrically connected to 23 pins of microprocessor (IC) at the g end, the input end h of on-off circuit (2) is electrically connected to 12 pins of microprocessor (IC), (2-5) pin of microprocessor (IC) is electrically connected to the ijkl end of fault and sound light alarming circuit (3), and the input of power circuit (1) is by socket CON
2Be electrically connected to vehicle-mounted 12V accumulator, the output terminal MN of on-off circuit (2) is by socket CON
1Can be connected to the contact of automobile starting ignition coil control or the starter coil of automobile starting key switch or diesel engine respectively.
2, a kind of vehicle-mounted alcohol detection control apparatus as claimed in claim 1 is characterized in that: the switching tube Q in the described on-off circuit (2)
3Base stage b
3Pass through resistance R
3Be electrically connected to 12 pins of microprocessor (IC) at the h place, switching tube Q
3Collector C
3By diode D
6Be electrically connected to vehicle-mounted+12V accumulator with coil two ends of relay J and after connecing, the normally closed contact MN of relay J is by edge connector CON
1Be electrically connected to the starter coil of automobile starting ignition coil or automobile starting key switch or diesel engine.
3, a kind of vehicle-mounted alcohol detection control apparatus as claimed in claim 1 is characterized in that: the transistor Q in described fault and the sound light alarming circuit (3)
1Base stage pass through resistance R
2Be electrically connected to the PD of microprocessor
3Port, its grounded emitter, its collector is electrically connected to an end of hummer (B), and its other end e is electrically connected to the 5V DC voltage output point a of on-off circuit (1); Light emitting diode D
2, D
3, D
4Positive pole is resistance in series R separately
4, R
5, R
6After, its negative pole is electrically connected to the PD of microprocessor IC respectively
0To PD
2Port, resistance
R4-6The other end connect together, be electrically connected to a point in the power circuit (1).
4, a kind of vehicle-mounted alcohol detection control apparatus as claimed in claim 1, it is characterized in that: described adjustable delay circuit (5) is by potentiometer R
10Be electrically connected resistance R
1After be serially connected in+5V and ground between, its movable contact passes through resistance R
9Be electrically connected to the ADC of microprocessor 23 pin at the g point
1Port is connected with capacitor C between this port and the ground
7
5, a kind of vehicle-mounted alcohol detection control apparatus as claimed in claim 1 is characterized in that: described on-off circuit (1) one side is by edge connector CON
1Be electrically connected to vehicle-mounted+12V direct-flow storage battery power supply, opposite side is through diode D
1Series resistor R
1With three terminal regulator U
1U
11End joins, voltage stabilizer U
12End ground connection, U
13Join U with+5V output terminal a
13And between the ground and be connected to electrochemical capacitor C
4Branch road, light emitting diode D
1With resistance R
1Series arm, capacitor C
3Branch road and inductance L
1The serial connection capacitor C
9Branch road, U
11And between the ground respectively and be connected to capacitor C
1And C
2Branch road.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420093221 CN2735460Y (en) | 2004-09-09 | 2004-09-09 | Vehicle-carrying alcohol detecting control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420093221 CN2735460Y (en) | 2004-09-09 | 2004-09-09 | Vehicle-carrying alcohol detecting control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2735460Y true CN2735460Y (en) | 2005-10-19 |
Family
ID=35265332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420093221 Expired - Fee Related CN2735460Y (en) | 2004-09-09 | 2004-09-09 | Vehicle-carrying alcohol detecting control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2735460Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102328591A (en) * | 2011-07-28 | 2012-01-25 | 李宝林 | Alcohol sensing automobile starter |
-
2004
- 2004-09-09 CN CN 200420093221 patent/CN2735460Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102328591A (en) * | 2011-07-28 | 2012-01-25 | 李宝林 | Alcohol sensing automobile starter |
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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 |