CN203093946U - In-car harmful gas control device - Google Patents
In-car harmful gas control device Download PDFInfo
- Publication number
- CN203093946U CN203093946U CN2012207242525U CN201220724252U CN203093946U CN 203093946 U CN203093946 U CN 203093946U CN 2012207242525 U CN2012207242525 U CN 2012207242525U CN 201220724252 U CN201220724252 U CN 201220724252U CN 203093946 U CN203093946 U CN 203093946U
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- chip microcomputer
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Abstract
本实用新型公开了一种车内有害气体控制装置，包括单片机、气体浓度传感器、热释电人体红外传感器、报警单元、显示器驱动、LED显示器、车窗驱动和车窗控制器，其中，气体浓度传感器和热释电人体红外传感器分别连接单片机的输入端，单片机的输出端分别连接报警单元、显示器驱动和车窗驱动，显示器驱动的输出端连接LED显示器，车窗驱动的输出端连接车窗控制器。本装置利用传感器采集信息，经过单片机综合判断车内是否有人和车内的浓度信息，对于不同的情况采取不同的报警措施，以保证在车内有人、无人的情况下均能达到预警的目的。该装置结构简单，成本低，安装调试方便，适宜应用于各类机动车。
The utility model discloses a harmful gas control device in a car, which comprises a single-chip microcomputer, a gas concentration sensor, a pyroelectric human body infrared sensor, an alarm unit, a display driver, an LED display, a car window driver and a car window controller, wherein the gas concentration The sensor and the pyroelectric human body infrared sensor are respectively connected to the input end of the single-chip microcomputer, and the output end of the single-chip microcomputer is respectively connected to the alarm unit, the display driver and the window driver, the output end of the display driver is connected to the LED display, and the output end of the car window driver is connected to the window control device. This device uses sensors to collect information, and through the single-chip microcomputer to comprehensively judge whether there are people in the car and the concentration information in the car, different alarm measures are taken for different situations to ensure that the purpose of early warning can be achieved when there are people or no one in the car. . The device has the advantages of simple structure, low cost, convenient installation and debugging, and is suitable for various motor vehicles.
Description
Technical field
The utility model belongs to the electronic auto-control technology field, is specifically related to pernicious gas control setup in a kind of car.
Background technology
Along with the raising of people's living standard, private car more and more enters average family, and people more and more pay close attention to the air quality in the private car, to prevent that pernicious gas damages passenger and chaufeur in the car.And the use of air-conditioning in the car worsens the quality of air in the car more.Especially in hot summer, a lot of people like sleeping in car, and circulation pattern in the oil-efficient air-conditioning, broken off the airiness with the external world, the carbon-monoxide concentration in the car can be more and more higher, simultaneously occupant's a large amount of carbon dioxide of breathing out, cause the interior oxygen of car sharply to reduce, several hrs will make the people feel sick, stupor, severe patient even be choked to death and die.
Summary of the invention
The purpose of this utility model is to provide pernicious gas control setup in a kind of SCM Based car, and this device is air quality and open the vehicle window ventilating air when pernicious gas exceeds standard automatically in the inspection vehicle effectively, thereby reaches the purpose that purifies air in the car.
In order to realize above-mentioned task, the utility model adopts following technical solution to be achieved:
Pernicious gas control setup in a kind of car, comprise that micro controller system, gas concentration sensor, pyroelectricity human-body infrared sensing device, alarm unit, telltale driving, light-emitting diode display, vehicle window drive and vehicle window controller, wherein, gas concentration sensor and pyroelectricity human-body infrared sensing device are connected the input end of micro controller system respectively, the mouth of micro controller system connects alarm unit respectively, telltale drives and vehicle window drives, the mouth that telltale drives connects light-emitting diode display, and the vehicle window drive output connects vehicle window controller.
Other technologies characteristics of the present utility model:
Described micro controller system adopts STC12C2052AD type micro controller system.
Described gas concentration sensor adopts MQ-7 type gas concentration sensor.
Described telltale drives and adopts the MAX7219 actuator.
Described pyroelectricity human-body infrared sensing device adopts HC-SR501 model sensor.
Described alarm unit comprises buzzer phone and LED lamp.
Described vehicle window drives and adopts the ULN2003 chip for driving.
Described vehicle window controller adopts motor.
This device utilizes sensor acquisition information, comprehensively judges the concentration information whether people and Che Nei are arranged in the car through micro controller system, takes different warning measures for different situations, to guarantee that the people is arranged in car, all can reach the purpose of early warning under the unmanned situation.This apparatus structure is simple, and cost is low, and Installation and Debugging are convenient, and all kinds of self-propelled vehiclees suit to be applied to.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
The specific embodiment
Defer to technique scheme, as shown in Figure 1, pernicious gas control setup in a kind of car, comprise that micro controller system, gas concentration sensor, pyroelectricity human-body infrared sensing device, alarm unit, telltale driving, light-emitting diode display, vehicle window drive and vehicle window controller, wherein, gas concentration sensor and pyroelectricity human-body infrared sensing device are connected the input end of micro controller system respectively, the mouth of micro controller system connects alarm unit respectively, telltale drives and vehicle window drives, the mouth that telltale drives connects light-emitting diode display, and the mouth that vehicle window drives connects vehicle window controller.
In the utility model, micro controller system adopts the STC12C2052AD micro controller system, and this micro controller system is the micro controller system of compatible 8051RISC type CPU core of the single clock/machine cycle of 20 pin encapsulation, and its speed is than common 8051 fast 12 times; The RAM of integrated 256 bytes on the sheet; 15 general programmable I/O mouths have the EEPROM function in the sheet; Have 2 16 bit timing device/counting machines; Inner also integrated RC oscillator, P1.7-P1.0 is totally 8 tunnel 8 imported A/D converters of high-precision high speed voltage, and speed can reach 100KHz.Micro controller system is mainly used in processes sensor signal, control output and warning etc.
Described gas concentration sensor adopts MQ-7 model gas concentration sensor, the employed gas sensitive of this sensor is a tin ash, can detect the multiple gas that contains carbonic oxide, sensor is installed in the vehicle drive chamber interior, is used to detect the particularly concentration of CO gas of airborne pernicious gas.
Described pyroelectricity human-body infrared sensing device adopts HC-SR501 model sensor, and this sensor is installed in the seat both sides, is used to detect whether the people is arranged in the automobile; This pyroelectricity human infrared sensor adapted Fei Nier filter, an infrared radiation sensitivity when making its work to human body.
Described telltale drives and adopts MAX7219 to drive, and is that a kind of integrated serial I/O common cathode shows that telltale drives, and its connects the 7 piece of digital LED demonstration of microprocessor and 8 bit digital, also can connecting strap line chart telltale or 64 LED independently.
Described alarm unit comprises buzzer phone and LED lamp.
Described vehicle window drives and adopts the ULN2003 chip, and this chip is a kind of high withstand voltage, big electric current darlington array, and characteristics such as have current gain height, operating voltage height, range of temperatures is wide, carrying load ability is strong are used to drive vehicle window controller.
Vehicle window controller adopts motor, by the upper and lower motion of rotation may command vehicle window of motor, thereby opens, closes vehicle window.
During use, the concentration of pernicious gas such as carbonic oxide in the air in the gas concentration sensor inspection vehicle, this information is passed to micro controller system, micro controller system shows the concentration of pernicious gas in the car on the one hand in real time by light-emitting diode display, on the other hand this information and the value of setting are in advance compared, judge whether the concentration of pernicious gas in the car exceeds standard.If judge not exceed standard that then micro controller system does not react; If judge that when exceeding standard, micro controller system is by the signal of pyroelectricity human-body infrared sensing device, whether car in have people, and carry out following operation if judging:
1. if unmanned in the car, the Single-chip Controlling alarm unit carries out sound and light alarm, notices that to remind chaufeur the vehicle interior pernicious gas exceeds standard, and takes treatment measures before driving;
2. if detected the people, when carrying out sound and light alarm, the Single-chip Controlling alarm unit makes vehicle window controller work by the vehicle window driving, and open vehicle window pernicious gas in the car is discharged; When the harmful gas concentration value reached standard in the car, the Single-chip Controlling vehicle window drives closed vehicle window.
The electronic devices and components that the utility model adopts are known product, and those skilled in the art are according to the i.e. concrete connection mode of electronic devices and components as can be known of the technical solution of the utility model.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207242525U CN203093946U (en) | 2012-12-25 | 2012-12-25 | In-car harmful gas control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207242525U CN203093946U (en) | 2012-12-25 | 2012-12-25 | In-car harmful gas control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203093946U true CN203093946U (en) | 2013-07-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012207242525U Expired - Fee Related CN203093946U (en) | 2012-12-25 | 2012-12-25 | In-car harmful gas control device |
Country Status (1)
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| CN (1) | CN203093946U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109213048A (en) * | 2018-10-26 | 2019-01-15 | 广东长高通信服务有限公司 | A kind of controller |
| CN110716599A (en) * | 2019-11-19 | 2020-01-21 | 东风小康汽车有限公司重庆分公司 | In-vehicle environment control method, device and system and controller |
| CN115923436A (en) * | 2022-11-29 | 2023-04-07 | 青岛海尔空调器有限总公司 | Control method and system for detecting and processing toxic gas in parking air conditioner |
-
2012
- 2012-12-25 CN CN2012207242525U patent/CN203093946U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109213048A (en) * | 2018-10-26 | 2019-01-15 | 广东长高通信服务有限公司 | A kind of controller |
| CN110716599A (en) * | 2019-11-19 | 2020-01-21 | 东风小康汽车有限公司重庆分公司 | In-vehicle environment control method, device and system and controller |
| CN115923436A (en) * | 2022-11-29 | 2023-04-07 | 青岛海尔空调器有限总公司 | Control method and system for detecting and processing toxic gas in parking air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20131225 |