CN202528932U - Prevention and control system for carbon monoxide poisoning in automobile idling - Google Patents
Prevention and control system for carbon monoxide poisoning in automobile idling Download PDFInfo
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- CN202528932U CN202528932U CN2012201237699U CN201220123769U CN202528932U CN 202528932 U CN202528932 U CN 202528932U CN 2012201237699 U CN2012201237699 U CN 2012201237699U CN 201220123769 U CN201220123769 U CN 201220123769U CN 202528932 U CN202528932 U CN 202528932U
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Abstract
The utility model discloses a prevention and control system for carbon monoxide poisoning in automobile idling. The prevention and control system comprises a carbon monoxide concentration detecting unit, an occupant infrared detecting unit, a signal processing unit, a first relay, a second relay, a third relay, a fourth relay, an alarm lamp, a buzzer, an automobile horn switch, an automobile window up button, an automobile window down button and an automobile ignition switch. The carbon monoxide concentration detecting unit is connected with the occupant infrared detecting unit and the signal processing unit by the aid of wires, and the signal processing unit is connected with the alarm lamp and the buzzer by the aid of wires. The signal processing unit is connected with signal source ports of the first relay, the second relay, the third relay and the fourth relay by the aid of wires, two connection ports of each of normally open switches of the first relay, the second relay and the third relay are connected in parallel with the automobile horn switch, the automobile window up button and the automobile window down button by the aid of wires, and two connection ports of a normally closed switch of the fourth relay are connected in series with the automobile ignition switch by the aid of wires.
Description
Technical field
The utility model belongs to the car accessories technical field, is a kind of control system that prevents carbon monoxide hazard in the automobile, and more particularly, the utility model relates to a kind of auto idle speed carbon monoxide hazard prevention and control system.
Background technology
Carbonic oxide is a kind of common toxic gas, and when CO concentration in the car surpassed 50ppm, the occupant will produce dizziness, vomiting, even stupor, and the carbonic oxide of high concentration can make the people dead in several minutes.During the auto idle speed running, driving engine is because of the uncomplete combustion of fuel, and the carbonic oxide generation reaches maxim, and very easily through approach such as air-conditioning ducts into the car, the interior CO concentration of car is sharply increased, and causes occupant's carbon monoxide hazard easily.This type accident generally occurs in idling and stops, and under the situation that the occupant has a rest, passerby is difficult to find and sue and labour.When the auto idle speed carbon monoxide poisoning event took place, the passenger was difficult to save oneself because of the stupor of poisoning in addition, and this type of incident happens occasionally, and casualty rate is high.
At present, the research of domestic this respect is few, and does not still have the related experiment illustration, more has no relevant device producing, or drops into actual the use.There are not prevention and control devices such as corresponding Carbon Monoxide Detection, warning on the modern automobile especially.
The Chinese patent notification number is CN2328013, and the day for announcing is 02 month 28 days nineteen ninety, and invention and created name is " carboloy monoxide detector that automobile is used ", and is though these innovation and creation can be measured the carbon-monoxide concentration in the car, not enough below existing:
1. can not take corresponding measure to reduce carbon-monoxide concentration in the car automatically.This possibly because do not hear the warning of annunciator, and causes carbon monoxide poisoning event for the occupant of some sleeps of on the idling automobile, having a rest.
2. can not send an SOS from trend passerby, thereby make the passenger lose best rescue time.
Chinese patent bulletin (opening) number is CN2053586U; Bulletin (opening) day is 02 month 28 days nineteen ninety; Invention and created name is " preventing air-conditioner vehicle carbon monoxide hazard device "; Though these innovation and creation can be taked corresponding measure to the reduction of the carbon-monoxide concentration in the car, not enough below also existing:
1) do not consider that the variable concentrations carbonic oxide is different to the influence of human body, do not accomplish careful comprehensive analysis consideration, promptly the carbonic oxide of variable concentrations is not taked different measures, might cause occupant's low concentration carbon monoxide hazard.
2) can not send an SOS from trend passerby, thereby make the passenger lose best rescue time.
3) owing to installing air inlet valve additional, bigger to the change of automobile, and influence the performance of automobile own.
4) do not consider whether to have in the car occupant just to take measures, lack safety and not hommization.
5) owing to only adopt the air inlet valve air inlet to reduce carbon-monoxide concentration in the car, the generation of fundamentally not stopping carbonic oxide.
Summary of the invention
The utility model technical matters to be solved is to have overcome the problem that prior art exists, and a kind of auto idle speed carbon monoxide hazard prevention and control system is provided.
For solving the problems of the technologies described above, the utility model is to adopt following technical scheme to realize: described auto idle speed carbon monoxide hazard prevention and control system is made up of carbon-monoxide concentration detecting unit, occupant's infrared detection unit, signal processing unit, a relay, No. two relays, No. three relays, No. four relays, alarm lamp, buzzer phone, auto horn switch, vehicle window rising button, vehicle window decline button and automobile ignition switchs.
Model is that No. 6 pin electric wires of the A/D conversion chip of ADC0804 are connected in the signal output part of carbon-monoxide concentration detecting unit and the signal processing unit, the mouth of an infrared pickoff in occupant's infrared detection unit, No. two infrared pickoffs, No. three infrared pickoffs and No. four infrared pickoffs successively with signal processing unit in model be that No. 1 pin of the singlechip chip of STC90C516RD+, No. 2 pins, No. 3 pins and No. 4 pin electric wires are connected.Model in the signal processing unit is that No. 17 pins and No. 2 pins of alarm lamp of the singlechip chip of STC90C516RD+ are connected with No. 2 pin electric wires of buzzer phone.Model in the signal processing unit is that No. 5 pins of the singlechip chip of STC90C516RD+, No. 6 pins, No. 7 pins are connected with the signal source port electric wire of No. four relays with a relay, No. two relays, No. three relays with No. 8 pins successively; Two Wiring ports of the normal open switch of a relay are connected in parallel through electric wire and auto horn switch; Two Wiring ports of the normal open switch of No. two relays are connected in parallel through electric wire and vehicle window rising button; Two Wiring ports of the normal open switch of No. three relays are connected in parallel through electric wire and vehicle window decline button, and two Wiring ports of the normally closed switch of No. four relays are connected in series through electric wire and automobile ignition switch.
A/D conversion chip, exclusion, No. 3 resistance, No. 4 resistance, No. 5 resistance and No. 1 electric capacity that the singlechip chip that signal processing unit described in the technical scheme is STC90C516RD+ by a model, model are ADC0804 are formed.No. 2 to No. 9 pins of exclusion are that No. 39 to No. 32 pin electric wires of the singlechip chip of STC90C516RD+ are connected with model successively.Model is that No. 18 to No. 11 pins of the A/D conversion chip of ADC0804 are that No. 21 to No. 28 pin electric wires of the singlechip chip of STC90C516RD+ are connected with model successively.One end of No. 4 resistance and No. 5 resistance and model are that No. 9 pin electric wires of the A/D conversion chip of ADC0804 are connected; The other end ground connection of No. 5 resistance; The other end power connection of No. 4 resistance is anodal; One end ground connection of No. 1 electric capacity, an end of the other end of No. 1 electric capacity and No. 3 resistance and model are that No. 4 pin electric wires of the A/D conversion chip of ADC0804 are connected, and the other end of No. 3 resistance and model are that No. 19 pin electric wires of the A/D conversion chip of ADC0804 are connected; Carbon-monoxide concentration detecting unit described in the technical scheme is that the carbon monoxide transducer of MQ-7, No. 1 resistance and No. 2 resistance are formed by model.Model is that No. 1 pin of the carbon monoxide transducer of MQ-7, No. 2 pins are connected with the positive source electric wire together with No. 3 pins.Model is that No. 6 pins of the carbon monoxide transducer of MQ-7 are connected the other end ground connection of No. 2 resistance with an end electric wire of No. 2 resistance together with No. 4 pins.Model is that No. 5 pins of the carbon monoxide transducer of MQ-7 are connected the other end ground connection of No. 1 resistance with an end electric wire of No. 1 resistance.Model is that No. 6 pins and No. 4 pins of carbon monoxide transducer of MQ-7 is with being connected with No. 2 pin electric wires of tripod contact pin and as the signal output part of carbon-monoxide concentration detecting unit; Model is that No. 6 pin electric wires of the A/D conversion chip of ADC0804 are connected and are meant in the signal output part of the carbon-monoxide concentration detecting unit described in the technical scheme and the signal processing unit: model is that No. 6 pin electric wires of the A/D conversion chip of ADC0804 are connected in No. 2 pins of the tripod contact pin in the carbon-monoxide concentration detecting unit and the signal processing unit; Model in the carbon-monoxide concentration detecting unit described in the technical scheme is that the carbon monoxide transducer of MQ-7 is installed in car roof midway location in the car.An infrared pickoff in occupant's infrared detection unit, No. two infrared pickoffs, No. three infrared pickoffs and No. four infrared pickoffs are installed on four motor vehicle seat backs.Alarm lamp and buzzer phone are placed in the visual range of automobile instrument panel.Signal processing unit is fixed on the top of vehicle electronic control unit in the automobile engine nacelle and the position of car bonnet below.No. one relay is positioned at the instrument tray salver, and No. two relays are positioned at the car door of chaufeur homonymy, and No. three relays are positioned at the car door of chaufeur homonymy, and No. four relay is positioned at the auto meter tray salver.
Compared with prior art the beneficial effect of the utility model is:
1. to take occupant's infrared detection unit be that infrared pickoff detects occupant's situation in the utility model described auto idle speed carbon monoxide hazard prevention and control system, makes this device have more hommization.
2. the utility model described auto idle speed carbon monoxide hazard prevention and control system has taken into full account the difference of the carbonic oxide of variable concentrations to the human influence; Carbonic oxide to variable concentrations is taked different measures, effectively prevents occupant's low concentration carbon monoxide hazard.
3. the described auto idle speed carbon monoxide hazard of the utility model prevention and control system can send an SOS from trend passerby through the opening automobile loudspeaker, thereby has striven for best rescue time for the passenger.
4. carbonic oxide in the car is fast and effeciently got rid of in the utility model described auto idle speed carbon monoxide hazard prevention and control system measure of vehicle window of taking to descend; Shake on a period of time vehicle rear window, guaranteed occupant's the person and property safety, safety is higher.
5. the utility model described auto idle speed carbon monoxide hazard prevention and control system takes the engine off measure, has fundamentally cut off the generation source of carbonic oxide.
6. the described auto idle speed carbon monoxide hazard of the utility model prevention and control system changes seldom automobile circuit, only needs get final product, can not impact the performance of automobile own at the several relay switches of the original circuit parallel connection of automobile (or series connection).
7. the utility model described auto idle speed carbon monoxide hazard prevention and control system architecture is simple, only is made up of four modules.
8. the utility model described auto idle speed carbon monoxide hazard prevention and control system cost is cheap, popularizes easily.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further described:
Fig. 1 is the schematic block diagram that the structure of the described auto idle speed carbon monoxide hazard of the utility model prevention and control system is formed.
Fig. 2 is the schematic block diagram of components and parts position on automobile of the described auto idle speed carbon monoxide hazard of the utility model prevention and control system.
Fig. 3 is the workflow block diagram of the described auto idle speed carbon monoxide hazard of the utility model prevention and control system.
Fig. 4 is the schematic circuit diagram of the carbon-monoxide concentration detecting unit of the described auto idle speed carbon monoxide hazard of the utility model prevention and control system.
Fig. 5 is the schematic circuit diagram of signal processing unit for the processing module of the described auto idle speed carbon monoxide hazard of the utility model prevention and control system.
I. detection module wherein, II. processing module, III. control module, IV. execution module, 1. carbon-monoxide concentration detecting unit 2. occupant's infrared detection units; 3. signal processing unit, 5. a relay, 6. No. two relays, 7. No. three relays, 8. No. four relays; 9. alarm lamp, 10. buzzer phone, 11. auto horn switch, 12. vehicle window rising buttons, 13. vehicle window decline buttons; 14. automobile ignition switch, No. 15. infrared pickoffs, 16. No. two infrared pickoffs, 17. No. three infrared pickoffs, 18. No. four infrared pickoffs; U1. singlechip chip, U2.A/D conversion chip, J1. tripod contact pin, RP1. exclusion, R1.1 resistance; R2.2 resistance, No. 3.3 resistance of R, R4.4 resistance, R5.5 resistance, C1.1 electric capacity.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is explained in detail:
The described auto idle speed carbon monoxide hazard of the utility model prevention and control system uses occupant's infrared detection unit 2 to detect passenger's situation; Through carbon-monoxide concentration in carbon-monoxide concentration detecting unit 1 inspection vehicle; In car, have under the situation that the people exists, take appropriate measures according to the height of concentration.Auto idle speed carbon monoxide hazard prevention and control system does not work when carbon-monoxide concentration in the car is in safe concentration (being lower than 50ppm).(during 50ppm～100ppm), buzzer phone 10 is interrupted and pipes, and alarm lamp 9 flickers are reported to the police at low concentration; (during 100ppm～300ppm), buzzer phone 10 yowls, and alarm lamp 9 is long bright in intermediate concentration; When high concentration (more than the 300ppm), buzzer phone 10 yowls, and alarm lamp 9 is long bright, and relay 5 normal open switch are closed simultaneously; With auto horn switch 11 short circuits, horn trumpet is opened, and No. two relay 6 normal open switch are closed; With automotive window button 13 short circuits that descend, the automotive window descensional ventilation, then No. three relay 7 normal open switch are closed to treat after a period of time to drop to safe concentration by carbon-monoxide concentration; With automotive window button 12 short circuits of rising, vehicle window rises, and closes until vehicle window; No. four relay 8 normally closed switchs break off afterwards, and automobile automobile ignition switch 14 is opened circuit, and automotive engine is flame-out.In addition, at middle low concentration (during 50ppm～100ppm), if the occupant is reactionless for a long time; (buzzer phone 10 yowls corresponding measure when then carrying out high concentration, and alarm lamp 9 is long bright, and relay 5 normal open switch are closed simultaneously; With auto horn switch 11 short circuits, horn trumpet is opened, and No. two relay 6 normal open switch are closed; With automotive window button 13 short circuits that descend, the automotive window descensional ventilation, then No. three relay 7 normal open switch are closed to treat after a period of time to drop to safe concentration by carbon-monoxide concentration; With automotive window button 12 short circuits of rising, vehicle window rises, and closes until vehicle window; No. four relay 8 normally closed switchs break off afterwards, and automobile automobile ignition switch 14 is opened circuit, and automotive engine is flame-out).If, still can cause carbon monoxide hazard because the occupant is in the carbonic oxide environment of a low concentration for a long time.
Consult Fig. 1, the described auto idle speed carbon monoxide hazard of the utility model prevention and control system is by detection module I, processing module II, and control module III and execution module IV form.
Described detection module I is made up of carbon-monoxide concentration detecting unit 1 and occupant's infrared detection unit 2.
Consult Fig. 4, described carbon-monoxide concentration detecting unit 1 is that the carbon monoxide transducer of MQ-7, No. 1 resistance R 1 and No. 2 resistance R 2 are formed by model.Model is that No. 1 pin of the carbon monoxide transducer of MQ-7, No. 2 pins are connected with the positive source electric wire together with No. 3 pins.Model is that No. 6 pins of the carbon monoxide transducer of MQ-7 are connected the other end ground connection of No. 2 resistance R 2 with an end electric wire of No. 2 resistance R 2 together with No. 4 pins.Model is that No. 5 pins of the carbon monoxide transducer of MQ-7 are connected the other end ground connection of No. 1 resistance R 1 with an end electric wire of No. 1 resistance R 1.Model is that No. 6 pins and No. 4 pins of carbon monoxide transducer of MQ-7 is with being connected with No. 2 pin electric wires of tripod contact pin J1 and as the signal output part of carbon-monoxide concentration detecting unit 1.The output valve of carbon-monoxide concentration detecting unit 1 is high low voltage, and along with the increase output voltage of carbon-monoxide concentration increases.
Described occupant's infrared detection unit 2 is made up of infrared pickoff 15, No. two infrared pickoffs 16, No. three infrared pickoffs 17 and No. four infrared pickoffs 18, and it is the infrared pickoff of RPR220 that infrared pickoff 15, No. two infrared pickoffs 16, No. three infrared pickoffs 17 and No. four infrared pickoffs 18 all adopt model.Model is that the output valve of the infrared pickoff 15 of RPR220, No. two infrared pickoffs 16, No. three infrared pickoffs 17 and No. four infrared pickoffs 18 is a high-low level; When detecting the someone and exist; Model is the infrared pickoff 15 of RPR220, No. two infrared pickoffs 16, No. three infrared pickoffs 17 and No. four infrared pickoff 18 output low levels; When the personnel of not detecting existed, model was the infrared pickoff 15 of RPR220, No. two infrared pickoffs 16, No. three infrared pickoffs 17 and 18 output of No. four infrared pickoffs high level.
Consult Fig. 5; Described processing module II is a signal processing unit 3, and A/D conversion chip U2, exclusion RP1,4, No. 5 resistance R 5 of 3, No. 4 resistance R of No. 3 resistance R and No. 1 capacitor C 1 that the singlechip chip U1 that this signal processing unit 3 is STC90C516RD+ by a model, model are ADC0804 are formed.No. 2 to No. 9 pins of exclusion RP1 and model are that No. 39 to No. 32 pin electric wires of the singlechip chip U1 of STC90C516RD+ are connected, and model is that No. 18 to No. 11 pins and the model of the A/D conversion chip U2 of ADC0804 is that No. 21 to No. 28 pin electric wires of the singlechip chip U1 of STC90C516RD+ are connected.One end of No. 4 resistance R 4 and No. 5 resistance R 5 and model are that No. 9 pin electric wires of the A/D conversion chip U2 of ADC0804 are connected; The other end ground connection of No. 5 resistance R 5; The other end power connection of No. 4 resistance R 4 is anodal; One end ground connection of No. 1 capacitor C 1, an end of the other end of No. 1 capacitor C 1 and No. 3 resistance R 3 and model are that No. 4 pin electric wires of the A/D conversion chip U2 of ADC0804 are connected, and the other end of No. 3 resistance R 3 and model are that No. 19 pin electric wires of the A/D conversion chip U2 of ADC 0804 are connected.Model is that the singlechip chip U1 of STC90C516RD+ can realize the incoming signal that carbon-monoxide concentration detecting unit 1 and personnel's infrared detection unit 2 provide is handled and to control module III output control command through programming, and then realizes the work of execution module IV is controlled.Model is that the A/D conversion chip U2 of ADC0804 can become digital signal with the analog signal conversion of carbon-monoxide concentration detecting unit 1 input, and digital signal is input in the micro controller system U1 that model is STC90C516RD+.
Described control module III is made up of relay 5, No. two relays 6, No. three relays 7 and No. four relays 8.Wherein all to adopt model be the relay of SRD-05VDC-SL-C for relay 5, No. two relays 6, No. three relays 7 and No. four relays 8.It is the normal open switch (or normally closed switch) closed (or disconnection) of the relay of SRD-05VDC-SL-C that the control command of signal processing unit 3 outputs can make model.
Described execution module IV is by alarm lamp 9, buzzer phone 10, and auto horn switch 11, vehicle window rising button 12, vehicle window decline button 13, automobile ignition switch 14 is formed.Alarm lamp 9 has three pins, is respectively pin No. 1, No. 2 pins and No. 3 pins.Wherein alarm lamp 9 No. 1 pin links to each other with the positive source electric wire; No. 2 pins of alarm lamp 9 and model are that No. 17 pin electric wires of the singlechip chip U1 of STC90C516RD+ link to each other; No. 3 pin ground connection of alarm lamp 9, when model was No. 17 pin output low levels of singlechip chip U1 of STC90C516RD+, alarm lamp 9 was bright; When model was No. 17 pins output high level of singlechip chip U1 of STC90C516RD+, alarm lamp 9 went out.Buzzer phone 10 also has three pins, is respectively pin No. 1, No. 2 pins and No. 3 pins.Wherein buzzer phone 10 No. 1 pin links to each other with the positive source electric wire; No. 2 pins of buzzer phone 10 are that No. 17 pin electric wires of the singlechip chip U1 of STC90C516RD+ link to each other with model equally; No. 3 pin ground connection of buzzer phone 10, when model is No. 17 pin output low levels of singlechip chip U1 of STC90C516RD+, buzzer phone 10 sound; When model was No. 17 pins output high level of singlechip chip U1 of STC90C516RD+, buzzer phone 10 did not ring.
The signal output part of the carbon-monoxide concentration detecting unit 1 among the detection module I is that model is that No. 6 pin electric wires of the A/D conversion chip U2 of ADC 0804 are connected in No. 2 pins and the signal processing unit 3 of the tripod contact pin J1 in the carbon-monoxide concentration detecting unit 1.The mouth of an infrared pickoff 15 of occupant's infrared detection unit 2 and model in the signal processing unit 3 are that No. 1 pin electric wire of the singlechip chip U1 of STC90C516RD+ is connected; The mouth of No. two infrared pickoffs 16 and model in the signal processing unit 3 are that No. 2 pin electric wires of the singlechip chip U1 of STC90C516RD+ are connected; The mouth of No. three infrared pickoffs 17 and model in the signal processing unit 3 are that No. 3 pin electric wires of the singlechip chip U1 of STC90C516RD+ are connected, and the mouth of No. four infrared pickoffs 18 and model in the signal processing unit 3 are that No. 4 pin electric wires of the singlechip chip U1 of STC90C516RD+ are connected.Can carbon-monoxide concentration signal in the car and occupant's situation signal be sent into signal processing unit 3 processing through above-mentioned connection.
Processing module II is that the mouth pin of signal processing unit 3 is connected with control module III electric wire, with control signal input control module III.Model is that No. 2 pins of the alarm lamp 9 among No. 17 pins and the execution module IV of singlechip chip U1 of STC90C516RD+ are connected with No. 2 pin electric wires of buzzer phone 10; Model is that No. 5 pins of the singlechip chip U1 of STC90C516RD+ are connected with the signal source port electric wire of a relay 5; Model is that No. 6 pins of the singlechip chip U1 of STC90C516RD+ are connected with the signal source port electric wire of No. two relays 6; Model is that No. 7 pins of the singlechip chip U1 of STC90C516RD+ are connected with the signal source port electric wire of No. three relays 7, and model is that No. 8 pins of the singlechip chip U1 of STC90C516RD+ are connected with the signal source port electric wire of No. four relays 8.A relay 5 among the control module III two Wiring ports of normal open switch () is connected in parallel with auto horn switch 11; No. two relay 6 is connected in parallel with vehicle window rising button 12; No. three relay 7 is connected in parallel with vehicle window decline button 13; No. four relays 8 are connected in series with automobile ignition switch 14, this make light on and off that processing module II can be through the alarm lamp 9 among the control module III control and executive module IV, buzzer phone 10 cry with do not cry, auto horn switch 11 whether by short circuit, vehicle window rising button 12 whether by whether whether being opened circuit of short circuit, vehicle window decline button 13 by short circuit and automobile ignition switch 14.
Above components and parts all use model to supply power as the mouth of LM7805 voltage stabilizing chip.
Consult Fig. 2, the carbon monoxide transducer in the carbon-monoxide concentration detecting unit 1 is placed in the car, is positioned at the car roof midway location.The infrared pickoff 15 of occupant's infrared detection unit 2, No. two infrared pickoffs 16, No. three infrared pickoffs 17 and No. four infrared pickoffs 18 are installed on four motor vehicle seat backs (position slightly by down) respectively.Alarm lamp 9 is placed near the visual range of automobile instrument panel with buzzer phone 10, and the eye-catching driver's observation of being convenient in position.Signal processing unit 3 is positioned on the circuit card, and is fixed on the top of vehicle electronic control unit (automobile ECU) in the automobile engine nacelle and the position of car bonnet below.Two wires and auto horn switch 11 that two Wiring ports of the normal open switch of a relay 5 are drawn are connected in parallel, and are positioned at the instrument tray salver.The vehicle window rising button 12 of two wires that two Wiring ports of the normal open switch of No. two relays 6 are drawn and chaufeur homonymy vehicle window is connected in parallel, and is positioned at chaufeur homonymy car door.The vehicle window decline button 13 of two wires that two Wiring ports of the normal open switch of No. three relays 7 are drawn and chaufeur homonymy vehicle window is connected in parallel, and also is positioned at chaufeur homonymy car door.Two wires and automobile ignition switch 14 that two Wiring ports of the normally closed switch of No. four relays 8 are drawn are connected in series, and are positioned at the auto meter tray salver.
The principle of work of auto idle speed carbon monoxide hazard prevention and control system:
Consult Fig. 3, system does not work when an infrared pickoff of occupant's infrared detection unit 2 15, No. two infrared pickoffs 16, No. three infrared pickoffs 17 and No. four infrared pickoffs 18 all detect the occupant and exist.When an infrared pickoff of occupant's infrared detection unit 2 15, No. two infrared pickoffs 16, No. three infrared pickoffs 17 and No. four infrared pickoffs 18 have one or more to detect the man-hour system works is arranged in the car.Under working state of system, system does not still work when the carbon monoxide transducer in the carbon-monoxide concentration detecting unit 1 detects carbon-monoxide concentration and is in safe concentration (being lower than 50ppm); Be in low concentration (during 50ppm～100ppm), buzzer phone 10 is interrupted and pipes, and alarm lamp 9 flickers are reported to the police when the carbon monoxide transducer in the carbon-monoxide concentration detecting unit 1 detects carbon-monoxide concentration; Be in intermediate concentration (during 100ppm～300ppm), buzzer phone 10 yowls, and alarm lamp 9 is long bright when the carbon monoxide transducer in the carbon-monoxide concentration detecting unit 1 detects carbon-monoxide concentration; When the carbon monoxide transducer in the carbon-monoxide concentration detecting unit 1 detected carbon-monoxide concentration and is in high concentration (more than the 300ppm), buzzer phone 10 yowled, and alarm lamp 9 is long bright; Relay 5 normal open switch are closed simultaneously, and with auto horn switch 11 short circuits, horn trumpet is opened; No. two relay 6 normal open switch are closed, with automotive window button 13 short circuits that descend, automotive window descensional ventilation; Then No. three relay 7 normal open switch are closed to treat after a period of time to drop to safe concentration by carbon-monoxide concentration, and with automotive window button 12 short circuits of rising, vehicle window rises; Close until vehicle window; No. four relay 8 normally closed switchs break off afterwards, and automobile ignition switch 14 is opened circuit, and automotive engine is flame-out.In addition, when middle low concentration (50ppm-100ppm), if the occupant is reactionless for a long time; (buzzer phone 10 yowls corresponding measure when then carrying out high concentration, and alarm lamp 9 is long bright, and relay 5 normal open switch are closed simultaneously; With auto horn switch 11 short circuits, horn trumpet is opened, and No. two relay 6 normal open switch are closed; With automotive window button 13 short circuits that descend, the automotive window descensional ventilation, then No. three relay 7 normal open switch are closed to treat after a period of time to drop to safe concentration by carbon-monoxide concentration; With automotive window button 12 short circuits of rising, vehicle window rises, and closes until vehicle window; No. four relay 8 normally closed switchs break off afterwards, and automobile ignition switch 14 is opened circuit, and automotive engine is flame-out).If, still can cause carbon monoxide hazard because the occupant is in the carbonic oxide environment of a low concentration for a long time.
Claims (5)
1. auto idle speed carbon monoxide hazard prevention and control system; It is characterized in that; Described auto idle speed carbon monoxide hazard prevention and control system is by carbon-monoxide concentration detecting unit (1), occupant's infrared detection unit (2), signal processing unit (3), a relay (5), No. two relays (6), No. three relays (7), No. four relays (8), alarm lamp (9), and buzzer phone (10), auto horn switch (11), vehicle window rising button (12), vehicle window decline button (13) are formed with automobile ignition switch (14);
The signal output part of carbon-monoxide concentration detecting unit (1) is connected with No. 6 pin electric wires that the middle model of signal processing unit (3) is the A/D conversion chip (U2) of ADC0804; The mouth of the infrared pickoff (15) in occupant's infrared detection unit (2), No. two infrared pickoffs (16), No. three infrared pickoffs (17) and No. four infrared pickoffs (18) successively with signal processing unit (3) in model be that No. 1 pin of the singlechip chip (U1) of STC90C516RD+, No. 2 pins, No. 3 pins and No. 4 pin electric wires are connected; Model in the signal processing unit (3) is that No. 17 pins and No. 2 pins of alarm lamp (9) of the singlechip chip (U1) of STC90C516RD+ are connected with No. 2 pin electric wires of buzzer phone (10); Model in the signal processing unit (3) is that No. 5 pins of the singlechip chip (U1) of STC90C516RD+, No. 6 pins, No. 7 pins are connected with the signal source port electric wire of No. four relays (8) with a relay (5), No. two relays (6), No. three relays (7) with No. 8 pins successively; Two Wiring ports of the normal open switch of a relay (5) are connected in parallel through electric wire and auto horn switch (11); Two Wiring ports of the normal open switch of No. two relays (6) are connected in parallel through electric wire and vehicle window rising button (12); Two Wiring ports of the normal open switch of No. three relays (7) are connected in parallel through electric wire and vehicle window decline button (13), and two Wiring ports of the normally closed switch of No. four relays (8) are connected in series through electric wire and automobile ignition switch (14).
2. according to the described auto idle speed carbon monoxide hazard of claim 1 prevention and control system; It is characterized in that A/D conversion chip (U2), exclusion (RP1), No. 3 resistance (R3), No. 4 resistance (R4), No. 5 resistance (R5) and No. 1 electric capacity (C1) that the singlechip chip (U1) that described signal processing unit (3) is STC90C516RD+ by a model, model are ADC0804 are formed;
No. 2 to No. 9 pins of exclusion (RP1) are that No. 39 to No. 32 pin electric wires of the singlechip chip (U1) of STC90C516RD+ are connected with model successively; Model is that No. 18 to No. 11 pins of the A/D conversion chip (U2) of ADC0804 are that No. 21 to No. 28 pin electric wires of the singlechip chip (U1) of STC90C516RD+ are connected with model successively; One end of No. 4 resistance (R4) and No. 5 resistance (R5) and model are that No. 9 pin electric wires of the A/D conversion chip (U2) of ADC0804 are connected; The other end ground connection of No. 5 resistance (R5); The other end power connection of No. 4 resistance (R4) is anodal; One end ground connection of No. 1 electric capacity (C1); One end of the other end of No. 1 electric capacity (C1) and No. 3 resistance (R3) and model are that No. 4 pin electric wires of the A/D conversion chip (U2) of ADC0804 are connected, and the other end of No. 3 resistance (R3) and model are that No. 19 pin electric wires of the A/D conversion chip (U2) of ADC 0804 are connected.
3. according to the described auto idle speed carbon monoxide hazard of claim 1 prevention and control system, it is characterized in that described carbon-monoxide concentration detecting unit (1) is that the carbon monoxide transducer, No. 1 resistance (R1) of MQ-7 formed with No. 2 resistance (R2) by model;
Model is that No. 1 pin of the carbon monoxide transducer of MQ-7, No. 2 pins are connected with the positive source electric wire together with No. 3 pins; Model is that No. 6 pins of the carbon monoxide transducer of MQ-7 are connected with an end electric wire of No. 2 resistance (R2) together with No. 4 pins; The other end ground connection of No. 2 resistance (R2); Model is that No. 5 pins of the carbon monoxide transducer of MQ-7 are connected with an end electric wire of No. 1 resistance (R1); The other end ground connection of No. 1 resistance (R1), model are that No. 6 pins and No. 4 pins of carbon monoxide transducer of MQ-7 is with being connected with No. 2 pin electric wires of tripod contact pin (J1) and as the signal output part of carbon-monoxide concentration detecting unit (1).
4. according to the described auto idle speed carbon monoxide hazard of claim 1 prevention and control system; It is characterized in that model is that No. 6 pin electric wires of the A/D conversion chip (U2) of ADC0804 are connected and are meant in the signal output part of described carbon-monoxide concentration detecting unit (1) and the signal processing unit (3): No. 2 pins of the tripod contact pin (J1) in the carbon-monoxide concentration detecting unit (1) are connected with No. 6 pin electric wires that the middle model of signal processing unit (3) is the A/D conversion chip (U2) of ADC0804.
5. according to the described auto idle speed carbon monoxide hazard of claim 1 prevention and control system; It is characterized in that; Model in the described carbon-monoxide concentration detecting unit (1) is that the carbon monoxide transducer of MQ-7 is installed in car roof midway location in the car; Infrared pickoff (15) in occupant's infrared detection unit (2), No. two infrared pickoffs (16), No. three infrared pickoffs (17) are installed on four motor vehicle seat backs with No. four infrared pickoffs (18); Alarm lamp (9) is placed in the visual range of automobile instrument panel with buzzer phone (10); Signal processing unit (3) is fixed on the top of vehicle electronic control unit in the automobile engine nacelle and the position of car bonnet below, and a relay (5) is positioned at the instrument tray salver, and No. two relays (6) are positioned at the car door of chaufeur homonymy; No. three relays (7) are positioned at the car door of chaufeur homonymy, and No. four relays (8) are positioned at the auto meter tray salver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201237699U CN202528932U (en) | 2012-03-29 | 2012-03-29 | Prevention and control system for carbon monoxide poisoning in automobile idling |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201237699U CN202528932U (en) | 2012-03-29 | 2012-03-29 | Prevention and control system for carbon monoxide poisoning in automobile idling |
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| CN202528932U true CN202528932U (en) | 2012-11-14 |
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| CN2012201237699U Expired - Fee Related CN202528932U (en) | 2012-03-29 | 2012-03-29 | Prevention and control system for carbon monoxide poisoning in automobile idling |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102602349A (en) * | 2012-03-29 | 2012-07-25 | 吉林大学 | Carbon monoxide poisoning preventive control system for idling automobile |
| CN102963320A (en) * | 2012-11-29 | 2013-03-13 | 长城汽车股份有限公司 | Intelligent control method for car window |
| CN104469623A (en) * | 2014-11-28 | 2015-03-25 | 广东好帮手电子科技股份有限公司 | Sound field adjusting system and method based on car pillow |
| CN111739245A (en) * | 2020-06-19 | 2020-10-02 | 吉利汽车研究院（宁波）有限公司 | Safety warning method and system for vehicle |
-
2012
- 2012-03-29 CN CN2012201237699U patent/CN202528932U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102602349A (en) * | 2012-03-29 | 2012-07-25 | 吉林大学 | Carbon monoxide poisoning preventive control system for idling automobile |
| CN102963320A (en) * | 2012-11-29 | 2013-03-13 | 长城汽车股份有限公司 | Intelligent control method for car window |
| CN102963320B (en) * | 2012-11-29 | 2015-06-10 | 长城汽车股份有限公司 | Intelligent control method for car window |
| CN104469623A (en) * | 2014-11-28 | 2015-03-25 | 广东好帮手电子科技股份有限公司 | Sound field adjusting system and method based on car pillow |
| CN104469623B (en) * | 2014-11-28 | 2017-01-11 | 广东好帮手电子科技股份有限公司 | Sound field adjusting system and method based on car pillow |
| CN111739245A (en) * | 2020-06-19 | 2020-10-02 | 吉利汽车研究院（宁波）有限公司 | Safety warning method and system for vehicle |
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Granted publication date: 20121114 Termination date: 20140329 |