CN205059282U - On -vehicle intelligent alcohol alarm system - Google Patents
On -vehicle intelligent alcohol alarm system Download PDFInfo
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- CN205059282U CN205059282U CN201520842974.4U CN201520842974U CN205059282U CN 205059282 U CN205059282 U CN 205059282U CN 201520842974 U CN201520842974 U CN 201520842974U CN 205059282 U CN205059282 U CN 205059282U
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Abstract
The utility model discloses an on -vehicle intelligent alcohol alarm system, the system includes singlechip and alcohol sensor, temperature sensor, clock module, the display module be connected with the singlechip respectively, and voice module and GSM wireless module still include the battery for above -mentioned each module power supply. The utility model provides an on -vehicle intelligent alcohol alarm system, regard as control core with the IAP15F2K61S2 singlechip, adopt dual detection mode to realize controlling driving an automobile's start -up to driver expired gas alcohol concentration's measurement, temperature time display still has simultaneously, audio alert, functions such as solar energy power supply and the suggestion of GSM SMS, in today that the accident of driving when intoxicated took place frequently, this system can the timely effectual prevention action of driving when intoxicated, and has wide actual application value.
Description
Technical field
The utility model relates to Vehicle protector facility technology field, is specifically related to a kind of vehicle intelligent alcohol alarm system.
Background technology
Along with the progress of China's economic development and science and technology, every household owning a car has not been dream, but the accident of driving when intoxicated and causing occurs repeatedly, be unfavorable for the harmonious development of society, in order to reduce or stop this phenomenon, normally adopt type of respiration alcohol tester to carry out Site Detection to chaufeur and determined whether chaufeur drinks, but owing to not being arranged on automotive interior, can only be implemented by traffic police personnel.Therefore can not prevent from driving when intoxicated by actv..
Utility model content
The utility model object is: provide the vehicle intelligent alcohol alarm system with detection and overload alarm and mobile communication function.
The technical solution of the utility model is:
A kind of vehicle intelligent alcohol alarm system, comprises micro controller system and the alcohol sensor, temperature sensor, clock module, the display module that are connected with micro controller system respectively, voice module and gsm wireless module, also comprises the storage battery for above-mentioned each module for power supply.
Preferably, described storage battery utilizes solar panel battery charge, adopts charger charging if desired.
Preferably, described temperature sensor and clock module adopt 8b20 temperature sensor chip and 1302 clock chips respectively.
Preferably, described alcohol sensor adopts MQ-3 alcohol sensor, and detect alcohol concentration, data send to micro controller system process.
Preferably, described micro controller system adopts IAP15F2K61S2 micro controller system, and this micro controller system carries AD conversion function, to the sampled data of alcohol screen test, processes.
Preferably, described display module adopts 12864 LCDs, the alcohol content in displaying time, temperature and present air.
Preferably, described voice module adopts ISD1700 voice module, for playing the audio-frequency information of warning.
Preferably, described micro controller system utilizes the serial ports of chip to control the function of receiving and sending short message of gsm wireless module, realizes long-distance alarm, transmits alarm message in time to household.
Preferably, described micro controller system sends control information to entire car controller.
Preferably, the quantity of described alcohol sensor is two, and the first alcohol sensor is arranged in compartment, and the second alcohol sensor is arranged at the dead ahead of chaufeur.
The utility model has the advantages that:
Vehicle intelligent alcohol alarm system provided by the utility model, using IAP15F2K61S2 micro controller system as control core, double check mode is adopted to realize controlling to the measurement of chaufeur alcohol content of exhalation gas concentration the startup that drives a car, also there is the functions such as temperature-time display, audio alert, solar powered and GSM message prompting simultaneously, in the today of driving when intoxicated Frequent Accidents, this system can prevent the behavior of driving when intoxicated timely and effectively, has actual application value widely.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further described:
Fig. 1 is the system construction drawing of vehicle intelligent alcohol alarm system;
Fig. 2 is the micro controller system IAP15F2K61S2 module principle figure of vehicle intelligent alcohol alarm system;
Fig. 3 is the voice circuit module of electric electrical schematic diagram of vehicle intelligent alcohol alarm system;
Fig. 4 is the electrical schematic diagram of the temperature clock circuit of vehicle intelligent alcohol alarm system;
Fig. 5 is the electrical schematic diagram of the alcohol sensing modular circuit of vehicle intelligent alcohol alarm system;
Fig. 6 is the sensory characteristic figure of MQ-3 gas sensor;
Fig. 7 is the power supply module circuit diagram of vehicle intelligent alcohol alarm system;
Fig. 8 is the workflow diagram of vehicle intelligent alcohol alarm system.
Detailed description of the invention
embodiment:
As shown in Figure 1, disclosed vehicle intelligent alcohol alarm system, comprise micro controller system and the alcohol sensor, temperature sensor, clock module, the display module that are connected with micro controller system respectively, voice module and gsm wireless module, also comprise the storage battery for above-mentioned each module for power supply.
Consult Fig. 2, described single chip circuit adopts IAP15F2K61S2 as control core, and this micro controller system is the micro controller system with single clock/machine cycle (1T) of the up-to-date production of STC, command code completely compatible traditional 8051, but the fast 8-12 of speed is doubly.Inner integrated high precision R/C clock, 5MHz ~ 35MHz wide region is arranged, save external crystal-controlled oscillation and external reset circuit, these works also use the powerful specified register that chip carries, 3 road CCP/PWM/PCA, 8 roads high-speed a/ds conversion (300,000 times/second), also use 1 group of high-speed synchronous communication port SPI, by SPI protocol with carry out communication from machine.
Described gsm module adopts Huawei GTM900-B wireless module, and this module is a three frequency band GSMs/GPRS wireless module.Its supports AT order and the enhancing AT order of standard, and providing the functions such as abundant voice-and-data business, is the ideal solution of the various application such as high speed data transmission.The radical function of GTM900 has: voice call, short message receiving-transmitting, GPRS network data transmit-receive, multimedia message transmitting-receiving.GTM900 module is mainly used in communication field, as vehicular telephone, remote data monitoring, inform by short message transmission, GPRSMODEN.
Gsm module uses the mode of serial communication and micro controller system to carry out communication, and micro controller system sends by serial ports the control that corresponding AT instruction realizes this module.In works, micro controller system, by ceasing relevant AT instruction control module with GSM message, as read the content of short message of sim card, being deleted content of short message, being listed the short message etc. also do not read in mobile phone.But performing an instruction, is not introduce so simple in some data yet.In fact, the implementation of instruction needs micro controller system and module alternate acknowledge to complete, and the byte number sending each time or receive has strict regulation, and the two must realize data exchange according to these regulations.
Described voice module adopts ISD1700 chip, consult Fig. 3, the speech chip that company of ISD1700 chip Shi Hua nation newly releases, chip has multinomial New function, there is two operating mode, customized information operation indicating audio, inner also have automatic growth control, the preposition amplifier of microphone and speaker drive circuit etc.
Main control singlechip carries out serial communication mainly through four lines (SCLK, MOSI, MOSO ,/SS) SPI protocol to ISD1700, and ISD1700 is as from machine, and nearly all operation can have been come by this SPI protocol.In order to compatible Independent keys pattern, some SPI orders, PLAY, REC, ERASE, FWD, the operation of RESET and CLOBAL, ERASE is similar to the operation of corresponding Independent keys pattern, can also be play by direct control PLAY() and FWD(F.F.) etc. pin slightly do to postpone, chip recording is recorded by direct mode operation by miaow head recorded speech or from PC, is played sound by SP+ and SP-pin external loudspeaker.
Display module is that the low-power consumption real-time timepiece chip DS1302 released by DALLAS company of the U.S. realizes, and can carry out self-clocking, have more leap year compensation, set of time function to year, month, day, hour, min, second.As long as be connected three line construction with micro controller system, as shown in Figure 4, wherein VCC1 is main power source to the pin arrangements of DS1302, VCC2 be back-up source when main power source cuts out, also can keep the continuous operation of clock, DS1302 is powered by the greater in two power supplys.The external 32.768KHz crystal oscillator of chip, its advantage is exactly the hardware resource saving micro controller system, and its internal register can be added and subtracted automatically to the time.
Described temperature sensor adopts DS18b20 temperature sensor, and DS18b20 has a unique line interface, only needs single line communication.Multiple spot ability, simplifies the application of distributed temperature sensing.Without the need to outer member, data available is bus-powered, and voltage range is 3.0V to 5.5V, without the need to backup power, measuring tempeature scope be-55 degree to+125 degree, Fahrenheit be the equal of 67 Degrees Fahrenheits to 257 Degrees Fahrenheits ,-10 degree are ± 0.5 degree to precision within the scope of+85 degree.
Temperature sensor programmable resolution is 9 ~ 12, temperature transition is 12 bit digital forms, and maxim is 750 milliseconds, and the definable non-volatile temperature alarming of user arranges field of application and comprises thermostatic control, industrial system, consumption electronic product heat indicator or any thermo-responsive system.
The digital thermometer of DS18b20 provides 9 to 12 (programmable device temperature readings).Because DS18b20 is a Tiaokou line communication, so central microprocessor and DS18b20 only have a Tiaokou line to be connected, read-write and temperature transition can obtain energy from data line itself, do not need external source.Because each DS18b20 comprises a unique sequence number, multiple DS18b20 can be present in a bus simultaneously, and this makes temperature sensor be placed on many different places, and it is placed in car, carries out process monitoring and display.
Consult Fig. 5 and Fig. 6, alcohol module is main in order to MQ-3 alcohol sensor, LM393 comparator, circuit theory as shown in Figure 5, this module not only can export analog quantity, threshold values can also be set by the potential device R9 forming comparator circuit, high level lightening LED lamp will be exported higher than threshold values.MQ-3 gas sensor has 6 needle-like pins, and wherein 4 export for signal, 2 for providing heating current, as shown in Figure 6, next is the characteristic curve of alcohol concentration to its response characteristic, and data process according to it exactly.
LM393 by two independently, the integrated circuit that forms of high-accuracy voltage comparator, offset voltage is low, the most 2.0mV, it aims at and obtains wide-voltage range, single power supply and designing, also dual power supply can be used, and no matter power line voltage size, the electric current of current consumption is all very low.It is a characteristic also: even single power supply, the common-mode input voltage range of comparator is close to low level.Be mainly used in clipper, simple A/D converter, impulse deviser, square-wave generator, delay time generator, broadband voltage controlled oscillator, MOS clock timer, multifrequency alternator and high level Digital Logic gate circuit.393 are designed to directly connect TTL and CMOS, and when using dual power supply, the compatible mos logic circuit of its energy, this is the unique advantage of low-power consumption 393 compared to standard comparator.
What the analog quantity of alcohol sensor returned after comparator is digital quantity, can connect the threshold values whether a diode displaying exceedes its setting.
Consult Fig. 7, voltage stabilizing adopts chip L7805CV, and its input voltage is greater than 8V and just can normally works, and export 5V, when radiator is enough large, load current can reach 1.5A.In practice, make it export the load current of more than 1A, at this time heating can be severe especially, needs to add heating panel.
Here be the lithium cell of 8.5V, the electric capacity at two ends is that filtering is used, and charging mainly uses solar charging panel, can charge, directly receive in the power pins of micro controller system through filtered electric current when being necessary with charger.
Consult figure and 8, shown in be whole system workflow diagram, system electrification, micro controller system starts executive routine, reads the numerical value of DS1302 clock chip and DS18b20 temperature sensor, is shown on liquid crystal display.The alcohol detection module also having the first alcohol sensor to form simultaneously performed on backstage, but temporarily do not show on liquid crystal display, roughly flow process is as shown in Figure 8.After the first alcohol sensor detects alcohol, export analog voltage can become large instantaneously, data are mainly by AD conversion cycle detection, and data compare with the standard value preset after sending to micro controller system process.The process of native system is if detect that alcohol concentration (in air) exceeds standard, voice module can send corresponding prompting, instruction requires that chaufeur enters the detection of next round, at this moment liquid crystal meeting redirect shows the numerical value that the second alcohol sensor detects, the second alcohol sensor mainly detects the alcohol content in chaufeur mouth.Being employed herein dual alcohol detection is to reduce unnecessary trouble (such as passenger drinks and can't make system alarm), first alcohol sensor detects the alcohol content in air in real time, be no more than threshold values and would not start the second alcohol sensor detection, the temperature of liquid crystal display also still in displaying time and current vehicle, ensures the accuracy of alcohol detection.When entering into second and taking turns detection, interface can show current alcohol content always, until chaufeur breath, microprocessor detect is to the laggard row Alcohol mental disorders of breath, if the alcohol content in chaufeur mouth exceedes predetermined value, explanation chaufeur is driven when intoxicated, and system can send alarm sound, and interface also there will be WORNING warning message.Meanwhile, chip also can utilize serial ports to allow module send note to gsm wireless module transmission AT instruction, and take over party can be the kith and kin of chaufeur, can effectively try to forestall traffic accidents.If the alcohol in chaufeur mouth does not exceed standard, then return and start interface, displaying time and temperature and close the second alcohol sensor.
If chaufeur is not regained consciousness, or do not accept the fact of drunk driving, so in order to the serious consequence caused that prevents from driving when intoxicated brings danger to others, can coercive measure be taked.Micro controller system, after receiving the signal that chaufeur drives when intoxicated, sends control information to entire car controller, controls automobile and stops starting.
Above-described embodiment, only for technical conceive of the present utility model and feature are described, its object is to person skilled in the art can be understood content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All modifications done according to the Spirit Essence of the utility model main technical schemes, all should be encompassed within protection domain of the present utility model.
Claims (10)
1. a vehicle intelligent alcohol alarm system, it is characterized in that, comprise micro controller system and the alcohol sensor, temperature sensor, clock module, the display module that are connected with micro controller system respectively, voice module and gsm wireless module, also comprise the storage battery for above-mentioned each module for power supply.
2. vehicle intelligent alcohol alarm system according to claim 1, it is characterized in that, described storage battery utilizes solar panel battery charge, adopts charger charging if desired.
3. vehicle intelligent alcohol alarm system according to claim 1, is characterized in that, described temperature sensor and clock module adopt 8b20 temperature sensor chip and 1302 clock chips respectively.
4. vehicle intelligent alcohol alarm system according to claim 1, is characterized in that, described alcohol sensor adopts MQ-3 alcohol sensor, and detect alcohol concentration, data send to micro controller system process.
5. vehicle intelligent alcohol alarm system according to claim 1, is characterized in that, described micro controller system adopts IAP15F2K61S2 micro controller system, and this micro controller system carries AD conversion function, to the sampled data of alcohol screen test, processes.
6. vehicle intelligent alcohol alarm system according to claim 1, it is characterized in that, described display module adopts 12864 LCDs, the alcohol content in displaying time, temperature and present air.
7. vehicle intelligent alcohol alarm system according to claim 1, is characterized in that, described voice module adopts ISD1700 voice module, for playing the audio-frequency information of warning.
8. vehicle intelligent alcohol alarm system according to claim 7, is characterized in that, described micro controller system utilizes the serial ports of chip to control the function of receiving and sending short message of gsm wireless module, realizes long-distance alarm, transmits alarm message in time to household.
9. vehicle intelligent alcohol alarm system according to claim 1, it is characterized in that, described micro controller system sends control information to entire car controller.
10. vehicle intelligent alcohol alarm system according to claim 1, is characterized in that, the quantity of described alcohol sensor is two, and the first alcohol sensor is arranged in compartment, and the second alcohol sensor is arranged at the dead ahead of chaufeur.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520842974.4U CN205059282U (en) | 2015-10-28 | 2015-10-28 | On -vehicle intelligent alcohol alarm system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520842974.4U CN205059282U (en) | 2015-10-28 | 2015-10-28 | On -vehicle intelligent alcohol alarm system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108204999A (en) * | 2016-12-20 | 2018-06-26 | 天津市军联科技有限公司 | Alcohol mental disorders short message alarm system based on AT89S52 microcontrollers |
| CN108776196A (en) * | 2018-05-31 | 2018-11-09 | 深圳市沃特沃德股份有限公司 | Drunk driving self-checking system based on short-distance wireless communication and method |
-
2015
- 2015-10-28 CN CN201520842974.4U patent/CN205059282U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108204999A (en) * | 2016-12-20 | 2018-06-26 | 天津市军联科技有限公司 | Alcohol mental disorders short message alarm system based on AT89S52 microcontrollers |
| CN108776196A (en) * | 2018-05-31 | 2018-11-09 | 深圳市沃特沃德股份有限公司 | Drunk driving self-checking system based on short-distance wireless communication and method |
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Legal Events
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| 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: 20160302 Termination date: 20181028 |
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| CF01 | Termination of patent right due to non-payment of annual fee |