Non-contact safe driving device

Abstract

The utility model discloses a non-contact safe driving device which comprises a control system, the control system is electrically connected with an alcohol sensor, an A / D converter and an audible and visual alarm, and the alcohol sensor is electrically connected with the A / D converter. According to the non-contact type safe driving device, the alcohol sensor is used for detecting the alcohol content in air exhaled by a driver, and when it is detected that the alcohol concentration exceeds the standard, the system gives an alarm through the audible and visual alarm, the buzzer and the LED lamp.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile safety, and in particular relates to a non-contact safety driving device. Background Art

[0002] Traffic accidents are one of the main causes of unnatural deaths in the world, and my country has always attached great importance to the rectification of traffic safety hazards. Although there have been some achievements, a large number of deaths cannot be avoided. Therefore, we have discussed the driving skills of cars, highlighted the safety of car driving, and studied various safety issues encountered during driving. These problems are mainly manifested in the insufficient safety performance of existing cars. Most of them only have airbags to ensure the safety of drivers, which have little effect; drivers have weak sense of responsibility and may have driving safety problems such as drunk driving for work and social activities. In addition, most of the safety driving devices on the market currently have single functions, making it difficult to fully detect and remind drivers of unsafe behaviors. Utility Model Content

[0003] The utility model aims to provide a non-contact safe driving device, which solves the problem in the prior art that it is impossible to detect and remind the driver of drunk driving.

[0004] The technical solution adopted by the utility model is a non-contact safe driving device, which includes a control system, wherein the control system is electrically connected to an alcohol sensor, an A / D converter and an audible and visual alarm, and the alcohol sensor is electrically connected to the A / D converter.

[0005] The utility model is also characterized in that:

[0006] The control system comprises a single chip computer, a power module, a conversion module, a display module and an output module. The power module, the detection module, the display module and the output module are electrically connected to the single chip computer respectively.

[0007] The power module includes a power circuit and a crystal oscillator circuit;

[0008] The power supply circuit includes a capacitor C3, a key switch, a resistor R2, a power supply terminal and a ground terminal, the input terminal of the capacitor C3 is electrically connected to the input terminal of the key switch and the input terminal of the power supply terminal, the output terminal of the capacitor C3 is electrically connected to the input terminal of the resistor R2 and the output terminal of the key switch respectively, the output terminal of the resistor R2 is electrically connected to the ground terminal, and the output terminal of the key switch is electrically connected to the pin RST of the single chip computer;

[0009] The crystal oscillator circuit includes capacitor C1, capacitor C2, crystal oscillator X1 and a ground terminal. The input terminal of capacitor C1 is electrically connected to the ground terminal and the input terminal of capacitor C2 respectively. The output terminals of capacitor C1 and capacitor C2 are electrically connected to the input terminal of crystal oscillator X1. The output terminal of crystal oscillator X1 is electrically connected to the microcontroller pins XTAL1 and XTAL2 respectively.

[0010] The conversion module includes a pressure-sensitive circuit and a conversion circuit, and the pressure-sensitive circuit is electrically connected to the conversion circuit;

[0011] The varistor circuit includes a resistor RV1, a power supply terminal and a ground terminal, the input terminal of the resistor RV1 is electrically connected to the power supply terminal, the output terminal of the resistor RV1 is electrically connected to the ground terminal, and the resistor RV1 is electrically connected to the conversion circuit;

[0012] The conversion circuit includes a power supply end, a conversion chip U2 and a ground end, a resistor RV1 is electrically connected to the conversion chip U2 pin CH0, a conversion chip U2 pin CS is electrically connected to the microcontroller pin P1.0, a conversion chip U2 pin GND is electrically connected to the ground end, a conversion chip U2 pin VCC is electrically connected to the power supply end, a conversion chip U2 pin CLK is electrically connected to the microcontroller pin P1.1, a conversion chip U2 pin DI is electrically connected to the microcontroller pin P1.2, and a conversion chip U2 pin DO is electrically connected to the microcontroller pin P1.3.

[0013] The display module includes a control circuit, a display screen, a power supply terminal and a ground terminal, and the control circuit is electrically connected to the display screen;

[0014] The control circuit includes RP1 and a power supply terminal. RP1 includes 9 pins. The first pin of RP1 is electrically connected to the power supply terminal. The second to ninth pins of RP1 are electrically connected to the microcontroller pins P0.0 to P0.9 in a one-to-one correspondence.

[0015] The display screen adopts LM016L; LM016L pins D0 to D7 are electrically connected to RP1 pins 2 to 9 one by one, LM016L pin VDD is electrically connected to the power supply end, and LM016L pins VSS and VEE are electrically connected to the ground end.

[0016] The output module includes an output circuit and a switch circuit;

[0017] The output circuit includes a transistor Q1, a resistor R1, a diode D1, a buzzer BUZ1 and a ground terminal, the input terminal of the transistor Q1 is electrically connected to the pin P3.7 of the single chip computer, the first output terminal of the transistor Q1 is electrically connected to the power terminal, the second output terminal of the transistor Q1 is electrically connected to the input terminal of the diode D1 and the input terminal of the buzzer BUZ1 respectively, the output terminal of the diode D1 is electrically connected to the input terminal of the resistor R1, and the output terminal of the resistor R1 is electrically connected to the output terminal of the buzzer BUZ1 and the ground terminal respectively;

[0018] The switch circuit includes four key switches and a ground terminal. The four key switches are electrically connected to the microcontroller pins P3.0 to P3.3 in a one-to-one correspondence.

[0019] The beneficial effects of the utility model are:

[0020] 1. The non-contact safety driving device of the utility model adopts an alcohol sensor to detect the alcohol content in the driver's exhaled gas. When it is detected that the alcohol concentration exceeds the standard, the system will issue a warning through an audible and visual alarm and a buzzer, and automatically turn on the power of the double flash lights. In serious cases, an alarm will be automatically sounded.

[0021] 2. The non-contact safety driving device of the utility model adopts a modular design, which is easy to disassemble and maintain. The functional modules can be combined and upgraded according to different needs, thereby improving the flexibility and adaptability of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of the non-contact safety driving device of the utility model;

[0023] Figure 2 The utility model is a circuit diagram of a control system in a non-contact safety driving device.

[0024] In the figure, 1. control system, 2. alcohol sensor, 3. A / D converter, 4. sound and light alarm. DETAILED DESCRIPTION

[0025] The utility model is described in detail below with reference to the accompanying drawings and specific implementation modes.

[0026] The utility model provides a non-contact safety driving device, such as Figure 1 As shown, it includes a control system 1, which is electrically connected to an alcohol sensor 2, an A / D converter 3 and an audible and visual alarm 4, and the alcohol sensor 2 is electrically connected to the A / D converter 3.

[0027] like Figure 2 As shown, the control system 1 includes a single chip microcomputer, a power module, a conversion module, a display module and an output module, and the power module, the detection module, the display module and the output module are electrically connected to the single chip microcomputer respectively.

[0028] The power module includes a power circuit and a crystal oscillator circuit; the power circuit includes a capacitor C3, a key switch, a resistor R2, a power terminal and a ground terminal, the input terminal of the capacitor C3 is electrically connected to the input terminal of the key switch and the input terminal of the power terminal, the output terminal of the capacitor C3 is electrically connected to the input terminal of the resistor R2 and the output terminal of the key switch respectively, the output terminal of the resistor R2 is electrically connected to the ground terminal, and the output terminal of the key switch is electrically connected to the pin RST of the microcontroller;

[0029] The crystal oscillator circuit includes capacitor C1, capacitor C2, crystal oscillator X1 and a ground terminal. The input terminal of capacitor C1 is electrically connected to the ground terminal and the input terminal of capacitor C2 respectively. The output terminals of capacitor C1 and capacitor C2 are electrically connected to the input terminal of crystal oscillator X1. The output terminal of crystal oscillator X1 is electrically connected to the microcontroller pins XTAL1 and XTAL2 respectively.

[0030] The conversion module includes a varistor circuit and a conversion circuit, and the varistor circuit is electrically connected to the conversion circuit; the varistor circuit includes a resistor RV1, a power supply end and a ground end, the input end of the resistor RV1 is electrically connected to the power supply end, the output end of the resistor RV1 is electrically connected to the ground end, and the resistor RV1 is electrically connected to the conversion circuit; the conversion circuit includes a power supply end, a conversion chip U2 and a ground end, the resistor RV1 is electrically connected to the conversion chip U2 pin CH0, the conversion chip U2 pin CS is electrically connected to the microcontroller pin P1.0, the conversion chip U2 pin GND is electrically connected to the ground end, the conversion chip U2 pin VCC is electrically connected to the power supply end, the conversion chip U2 pin CLK is electrically connected to the microcontroller pin P1.1, the conversion chip U2 pin DI is electrically connected to the microcontroller pin P1.2, and the conversion chip U2 pin DO is electrically connected to the microcontroller pin P1.3.

[0031] The display module includes a control circuit, a display screen, a power supply terminal and a ground terminal, and the control circuit is electrically connected to the display screen; the control circuit includes RP1 and a power supply terminal, RP1 includes 9 pins, the first pin of RP1 is electrically connected to the power supply terminal, and the second to ninth pins of RP1 are electrically connected to the microcontroller pins P0.0 to P0.9 in a one-to-one correspondence; the display screen adopts LM016L; the pins D0 to D7 of LM016L are electrically connected to the second to ninth pins of RP1 in a one-to-one correspondence, the pin VDD of LM016L is electrically connected to the power supply terminal, and the pins VSS of LM016L and VEE are electrically connected to the ground terminal.

[0032] The output module includes an output circuit and a switching circuit; the output circuit includes a transistor Q1, a resistor R1, a diode D1, a buzzer BUZ1 and a ground terminal, the input terminal of the transistor Q1 is electrically connected to the microcontroller pin P3.7, the first output terminal of the transistor Q1 is electrically connected to the power supply terminal, the second output terminal of the transistor Q1 is electrically connected to the input terminal of the diode D1 and the input terminal of the buzzer BUZ1 respectively, the output terminal of the diode D1 is electrically connected to the input terminal of the resistor R1, and the output terminal of the resistor R1 is electrically connected to the output terminal of the buzzer BUZ1 and the ground terminal respectively; the switching circuit includes four push switches and a ground terminal, and the four push switches are electrically connected to the microcontroller pins P3.0 to P3.3 one by one.

[0033] Working principle: When the driver is driving the vehicle, the alcohol sensor detects the drunk driving behavior, which is then converted into a voltage signal, and then converted into a digital signal through the A / D converter 3 and transmitted to the microcontroller. After being processed by the microcontroller, the alcohol concentration value is displayed on the display screen LM016 and the threshold exceeded is alarmed through the buzzer BUZ1 and the sound and light alarm device.

[0034] Example 1

[0035] This embodiment provides a non-contact safety driving device, such as Figure 1-2As shown, it includes a control system 1, and the control system 1 is electrically connected to an alcohol sensor 2, an A / D converter 3 and an audible and visual alarm 4, and the alcohol sensor 2 is electrically connected to the A / D converter 3; the control system 1 includes a single-chip microcomputer, a power module, a conversion module, a display module and an output module, and the power module, the detection module, the display module and the output module are electrically connected to the single-chip microcomputer respectively.

[0036] In this embodiment, the single chip microcomputer adopts the AT89C51 model.

[0037] Example 2

[0038] On the basis of Example 1, Figure 1-2 As shown, the power supply module includes a power supply circuit and a crystal oscillator circuit; the power supply circuit includes a capacitor C3, a key switch, a resistor R2, a power supply end and a ground end, the input end of the capacitor C3 is electrically connected to the input end of the key switch and the input end of the power supply end, the output end of the capacitor C3 is electrically connected to the input end of the resistor R2 and the output end of the key switch, the output end of the resistor R2 is electrically connected to the ground end, and the output end of the key switch is electrically connected to the microcontroller pin RST; the crystal oscillator circuit includes a capacitor C1, a capacitor C2, a crystal oscillator X1 and a ground end, the input end of the capacitor C1 is electrically connected to the ground end and the input end of the capacitor C2, the output ends of the capacitor C1 and the capacitor C2 are electrically connected to the input end of the crystal oscillator X1, and the output end of the crystal oscillator X1 is electrically connected to the microcontroller pins XTAL1 and XTAL2 respectively;

[0039] The conversion module includes a pressure-sensitive circuit and a conversion circuit, and the pressure-sensitive circuit is electrically connected to the conversion circuit; the pressure-sensitive circuit includes a resistor RV1, a power supply end and a ground end, the input end of the resistor RV1 is electrically connected to the power supply end, the output end of the resistor RV1 is electrically connected to the ground end, and the resistor RV1 is electrically connected to the conversion circuit;

[0040] The conversion circuit includes a power supply end, a conversion chip U2 and a ground end, a resistor RV1 is electrically connected to the conversion chip U2 pin CH0, a conversion chip U2 pin CS is electrically connected to the microcontroller pin P1.0, a conversion chip U2 pin GND is electrically connected to the ground end, a conversion chip U2 pin VCC is electrically connected to the power supply end, a conversion chip U2 pin CLK is electrically connected to the microcontroller pin P1.1, a conversion chip U2 pin DI is electrically connected to the microcontroller pin P1.2, and a conversion chip U2 pin DO is electrically connected to the microcontroller pin P1.3.

[0041] Example 3

[0042] On the basis of Example 2, Figure 1-2 As shown, the display module includes a control circuit, a display screen, a power supply terminal and a ground terminal, and the control circuit is electrically connected to the display screen;

[0043] The control circuit includes RP1 and a power supply terminal, RP1 includes 9 pins, RP1 pin 1 is electrically connected to the power supply terminal, RP1 pin 2 to pin 9 are electrically connected to microcontroller pins P0.0 to P0.9 in a one-to-one correspondence; the display screen adopts LM016L; LM016L pins D0 to D7 are electrically connected to RP1 pin 2 to pin 9 in a one-to-one correspondence, LM016L pin VDD is electrically connected to the power supply terminal, and LM016L pin VSS and VEE are electrically connected to the ground terminal.

[0044] The output module includes an output circuit and a switch circuit;

[0045] The output circuit includes a transistor Q1, a resistor R1, a diode D1, a buzzer BUZ1 and a ground terminal. The input terminal of the transistor Q1 is electrically connected to the microcontroller pin P3.7. The first output terminal of the transistor Q1 is electrically connected to the power supply terminal. The second output terminal of the transistor Q1 is electrically connected to the input terminal of the diode D1 and the input terminal of the buzzer BUZ1 respectively. The output terminal of the diode D1 is electrically connected to the input terminal of the resistor R1. The output terminal of the resistor R1 is electrically connected to the output terminal of the buzzer BUZ1 and the ground terminal respectively. The switch circuit includes four push switches and a ground terminal. The four push switches are electrically connected to the microcontroller pins P3.0 to P3.3 one by one.

Claims

1. A non-contact safety driving device, characterized in that: The invention comprises a control system (1), wherein the control system (1) is electrically connected to an alcohol sensor (2), an A / D converter (3) and an audible and visual alarm (4), respectively; the alcohol sensor (2) is electrically connected to the A / D converter (3); the control system (1) comprises a single-chip computer, a power module, a conversion module, a display module and an output module; the power module, the detection module, the display module and the output module are electrically connected to the single-chip computer, respectively; the power module comprises a power circuit and a crystal oscillator circuit; The power supply circuit includes a capacitor C3, a key switch, a resistor R2, a power supply terminal and a ground terminal, the input terminal of the capacitor C3 is electrically connected to the input terminal of the key switch and the input terminal of the power supply terminal, the output terminal of the capacitor C3 is electrically connected to the input terminal of the resistor R2 and the output terminal of the key switch respectively, the output terminal of the resistor R2 is electrically connected to the ground terminal, and the output terminal of the key switch is electrically connected to the pin RST of the single chip computer; The crystal oscillator circuit includes a capacitor C1, a capacitor C2, a crystal oscillator X1 and a ground terminal, the input terminal of the capacitor C1 is electrically connected to the ground terminal and the input terminal of the capacitor C2 respectively, the output terminals of the capacitor C1 and the capacitor C2 are electrically connected to the input terminal of the crystal oscillator X1, and the output terminal of the crystal oscillator X1 is electrically connected to the microcontroller pins XTAL1 and XTAL2 respectively; the conversion module includes a pressure-sensitive circuit and a conversion circuit, and the pressure-sensitive circuit is electrically connected to the conversion circuit; The voltage-sensitive circuit includes a resistor RV1, a power supply end and a ground end, the input end of the resistor RV1 is electrically connected to the power supply end, the output end of the resistor RV1 is electrically connected to the ground end, and the resistor RV1 is electrically connected to the conversion circuit; The conversion circuit includes a power supply end, a conversion chip U2 and a ground end. The resistor RV1 is electrically connected to the conversion chip U2 pin CH0, the conversion chip U2 pin CS is electrically connected to the microcontroller pin P1.0, the conversion chip U2 pin GND is electrically connected to the ground end, the conversion chip U2 pin VCC is electrically connected to the power supply end, the conversion chip U2 pin CLK is electrically connected to the microcontroller pin P1.1, the conversion chip U2 pin DI is electrically connected to the microcontroller pin P1.2, and the conversion chip U2 pin DO is electrically connected to the microcontroller pin P1.

3.

2. The non-contact safety driving device according to claim 1, characterized in that: The display module includes a control circuit, a display screen, a power supply terminal and a ground terminal, and the control circuit is electrically connected to the display screen; The control circuit includes RP1 and a power supply terminal, wherein RP1 includes 9 pins, wherein the first pin of RP1 is electrically connected to the power supply terminal, and the second to ninth pins of RP1 are electrically connected to the microcontroller pins P0.0 to P0.9 in a one-to-one correspondence; The display screen adopts LM016L; the pins D0 to D7 of the LM016L are electrically connected to the pins 2 to 9 of RP1 one by one, the pin VDD of the LM016L is electrically connected to the power supply end, and the pins VSS of the LM016L are electrically connected to the ground end together with VEE.

3. The non-contact safety driving device according to claim 1, characterized in that: The output module includes an output circuit and a switch circuit; The output circuit includes a transistor Q1, a resistor R1, a diode D1, a buzzer BUZ1 and a ground terminal, the input terminal of the transistor Q1 is electrically connected to the microcontroller pin P3.7, the first output terminal of the transistor Q1 is electrically connected to the power supply terminal, the second output terminal of the transistor Q1 is electrically connected to the input terminal of the diode D1 and the input terminal of the buzzer BUZ1 respectively, the output terminal of the diode D1 is electrically connected to the input terminal of the resistor R1, and the output terminal of the resistor R1 is electrically connected to the output terminal of the buzzer BUZ1 and the ground terminal respectively; The switch circuit includes four key switches and a ground terminal, and the four key switches are electrically connected to the microcontroller pins P3.0 to P3.3 in a one-to-one correspondence.

Images