CN211519256U

CN211519256U - Safety device for detecting alcohol concentration of driver

Info

Publication number: CN211519256U
Application number: CN201921828149.3U
Authority: CN
Inventors: 李井辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2020-09-18
Anticipated expiration: 2029-10-29

Abstract

The utility model discloses a safety device for detecting alcohol concentration of a driver, which comprises an alcohol concentration sensor and an automobile braking system, wherein the alcohol concentration sensor is electrically connected with an alcohol concentration detector, a control module is arranged in the alcohol concentration detector, the front surface of the alcohol concentration detector is provided with a liquid crystal display screen, the alcohol concentration detector is electrically connected with a storage battery, when the alcohol concentration in the body of the driver is detected to exceed the standard of national law regulation, the safety device ensures the absolute safety of the driver and other passengers on the premise of controlling the vehicle not to run, and the safety device only controls the vehicle not to run, and an engine can be normally started, so the driver and the passengers can enjoy the effect of refrigeration or heating in the vehicle, and the driver and the passengers can obtain a comfortable rest environment, can not be frostbitten in winter or sunstroke in summer.

Description

Safety device for detecting alcohol concentration of driver

Technical Field

The utility model relates to an automotive electronics technical field, specific field is a detect driver alcohol concentration's safety device.

Background

The automobile electronic is a general term for automobile body electronic control devices and vehicle-mounted electronic control devices. The electronic control device for automobile includes engine control system, chassis control system and electronic automobile body control system. The electric control system composed of sensors, a microprocessor MPU, an actuator, dozens or even hundreds of electronic components and parts thereof has higher and higher popularization degree of automobiles along with the increasing social and economic level, more and more traffic accidents are caused by drunk driving, although the drunk driving is prohibited by national law plain text, the existing automobiles generally have no function of preventing drunk driving or drunk driving and no method for effectively preventing drunk driving or drunk driving of drivers, and many drivers still hold good luck psychology and pose great threat to self and public safety.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a detect driver alcohol concentration's safety device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a safety device for detecting alcohol concentration of a driver comprises an alcohol concentration sensor and an automobile brake system, wherein the alcohol concentration sensor is electrically connected with an alcohol concentration detector, a control module is arranged in the alcohol concentration detector, a liquid crystal display screen is arranged on the front surface of the alcohol concentration detector, the alcohol concentration detector is electrically connected with a storage battery, the alcohol concentration detector is electrically connected with a vehicle-mounted computer, the alcohol concentration detector is electrically connected with an electromagnetic iron core relay, a clamping block is fixedly connected with the lower end of an iron core of the electromagnetic iron core relay, the automobile brake system comprises a brake push rod, a clamping groove is formed in the outer surface of the brake push rod, the clamping groove is matched with the clamping block for use, a fixed block is fixedly connected with the upper surface of the electromagnetic iron core relay, a travel switch is arranged above the fixed block, and the, the upper sides of the left and right inner side walls of the travel switch shell are fixedly connected with first connecting plates, the lower surfaces of the first connecting plates are fixedly connected with one ends of first connecting rods, the other ends of the first connecting rods on the left side are provided with first fixed contacts, the other ends of the first connecting rods on the right side are provided with second fixed contacts, the lower sides of the left and right inner side walls of the travel switch shell are fixedly connected with second connecting plates, the upper surfaces of the second connecting plates are fixedly connected with one ends of second connecting rods, the other ends of the second connecting rods on the left side are provided with third fixed contacts, the other ends of the second connecting rods on the right side are provided with fourth fixed contacts, a push rod penetrates through the middle part of the lower surface of the travel switch shell, one end of the push rod is fixedly connected with the fixed blocks, the other end of, the right side of current conducting plate is equipped with the second movable contact, the outside cover of push rod has the spring holder, the spring holder is connected with the lower inside wall fixed connection of travel switch shell, be equipped with the one end of spring in the spring holder, the other end of spring and the lower fixed surface of current conducting plate are connected.

Preferably, the first fixed contact is electrically connected with an ignition switch of the automobile, and the second fixed contact is electrically connected with the vehicle-mounted computer.

Preferably, the third fixed contact is electrically connected with an ignition switch of the automobile, and the fourth fixed contact is electrically connected with the vehicle-mounted computer.

Preferably, the rated voltage of the storage battery is 12V.

Compared with the prior art, the beneficial effects of the utility model are that: a safety device for detecting alcohol concentration of driver, when detecting that the alcohol concentration of driver exceeds the national legal standard, the safety device is based on the premise of controlling vehicle not to run, so as to ensure the absolute safety of driver and other passengers, and the safety device only controls the vehicle not to run, but the engine can be normally started, so that the driver and passengers can enjoy the effect of cooling or heating in the vehicle, and the driver and passengers can obtain a comfortable rest environment, and can not be frostbitten in winter or sunstroke in summer.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1;

fig. 3 is a block diagram of the present invention;

fig. 4 is a block diagram of the present invention.

In the figure: the device comprises a 1-alcohol concentration sensor, a 2-alcohol concentration detector, a 3-storage battery, a 4-vehicle-mounted computer, a 5-electromagnetic iron core relay, a 6-clamping block, a 7-brake push rod, an 8-clamping groove, a 9-fixing block, a 10-travel switch shell, a 11-first connecting plate, a 12-first connecting rod, a 13-first fixed contact, a 14-second fixed contact, a 15-second connecting plate, a 16-second connecting rod, a 17-third fixed contact, a 18-fourth fixed contact, a 19-push rod, a 20-conducting plate, a 21-first movable contact, a 22-second movable contact, a 23-spring seat and a 24-spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a safety device for detecting the alcohol concentration of a driver comprises an alcohol concentration sensor 1 and an automobile brake system, wherein the alcohol concentration sensor is installed at the top of a cab above the head of the driver, the gas containing alcohol exhaled by the driver after drinking can be rapidly spread to the periphery of the alcohol concentration sensor, the alcohol concentration sensor generates a numerical signal after sensing the gas containing alcohol, the alcohol concentration sensor is electrically connected with an alcohol concentration detector 2, a control module is arranged in the alcohol concentration detector, the alcohol concentration sensor transmits the numerical signal to the control module of the alcohol concentration detector, the control module processes the received numerical signal and makes an accurate judgment, a liquid crystal display screen is arranged on the front surface of the alcohol concentration detector, the judged data is displayed on the liquid crystal display screen, and the alcohol concentration detector is electrically connected with a storage battery 3, the storage battery is a storage battery which is arranged in an automobile, the storage battery supplies power to an alcohol concentration sensor, an alcohol concentration detector, an on-board computer and an electromagnetic core relay, the alcohol concentration detector is electrically connected with the on-board computer 4, the work of an automobile engine is controlled by the on-board computer, the alcohol concentration detector is electrically connected with the electromagnetic core relay 5, the electromagnetic core relay is installed on a brake pedal piston push rod, the work of the electromagnetic core relay is controlled by a control module of the alcohol concentration detector, a clamping block 6 is fixedly connected to the lower end of an iron core of the electromagnetic core relay, the automobile brake system comprises a brake push rod 7, a clamping groove 8 is formed in the outer surface of the brake push rod, the clamping groove is matched with the clamping block for use, when the engine needs to be started, the brake pedal is stepped on to the bottom, the automobile is in a braking state, the upper surface of the electromagnetic iron core relay is fixedly connected with a fixed block 9, a travel switch is arranged above the fixed block and comprises a travel switch shell 10, the upper sides of the left and right inner side walls of the travel switch shell are fixedly connected with first connecting plates 11, the lower surfaces of the first connecting plates are fixedly connected with one ends of first connecting rods 12, the other ends of the first connecting rods on the left side are provided with first fixed contacts 13, the other ends of the first connecting rods on the right side are provided with second fixed contacts 14, the lower sides of the left and right inner side walls of the travel switch shell are fixedly connected with second connecting plates 15, the upper surface of each second connecting plate is fixedly connected with one end of a second connecting rod 16, the other end of the second connecting rod on the left side is provided with a third fixed contact 17, and the other end of the second connecting rod on, the travel switch is characterized in that a push rod 19 penetrates through the middle of the lower surface of the travel switch shell, one end of the push rod is fixedly connected with the fixed block, a conductive plate 20 is arranged at the other end of the push rod, a first movable contact 21 is arranged on the left side of the conductive plate, a second movable contact 22 is arranged on the right side of the conductive plate, a spring seat 23 is sleeved on the outer side of the push rod and fixedly connected with the lower inner side wall of the travel switch shell, one end of a spring 24 is arranged in the spring seat, the other end of the spring is fixedly connected with the lower surface of the conductive plate, when the push rod moves downwards, the spring contracts under pressure, and when the electromagnetic iron core relay resets, the conductive plate resets under the assistance of the elastic force of the spring, so that the first movable contact is in.

Specifically, the first fixed contact is electrically connected with an ignition switch of the automobile, and the second fixed contact is electrically connected with the vehicle-mounted computer.

Specifically, the third fixed contact is electrically connected with an ignition switch of the automobile, and the fourth fixed contact is electrically connected with the vehicle-mounted computer.

Specifically, the rated voltage of the battery is 12V.

The working principle is as follows: the utility model discloses a battery is alcohol concentration sensor, alcohol concentration detector, on-vehicle computer and electromagnetic core relay power supply, detect the gas of driver's exhalation through alcohol concentration sensor, when not detecting alcohol or detecting alcohol concentration in the exhaled gas and not surpassing the alcohol concentration content of national law regulation in the exhaled gas body, first movable contact contacts with first fixed contact, second movable contact contacts with second fixed contact, at this moment on-vehicle computer is connected with the ignition switch electricity through first movable contact, first fixed contact, second movable contact and second fixed contact, automobile engine normally works, when alcohol concentration surpasses the alcohol concentration content of national law regulation in the exhaled gas body, alcohol concentration sensor produces the numerical signal after sensing the gas that contains the alcohol, alcohol concentration sensor conveys the control module of alcohol concentration detector with the numerical signal, meanwhile, the control module processes the received numerical value signal and makes an accurate judgment, the judged data is displayed on a liquid crystal display screen, the control module of the alcohol concentration detector controls an iron core of an electromagnetic iron core relay to move downwards, a first movable contact is separated from a first fixed contact, a second movable contact is separated from a second fixed contact, the vehicle-mounted computer is disconnected with an ignition switch at the moment, an automobile engine stops working, when the engine needs to be started, a brake pedal is stepped to the bottom, the electromagnetic iron core relay drives a push rod to move downwards through a fixed block, the push rod drives a current conducting plate to move downwards, the first movable contact is contacted with a third fixed contact, the second movable contact is contacted with a fourth fixed contact, and at the moment, the vehicle-mounted computer is electrically connected with the ignition switch through the first movable contact, the third fixed contact, the second movable contact and the fourth fixed contact, the automobile engine works normally, and meanwhile, the clamping block is clamped in the clamping groove, so that the brake push rod cannot reset, the automobile is in a brake state, and the purpose that the automobile cannot be controlled to run, and the engine can be started normally is achieved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a detect driver's alcohol concentration's safety device, includes alcohol concentration sensor (1) and car braking system, its characterized in that: the automobile brake system comprises a brake push rod (7), a clamping groove (8) is arranged on the outer surface of the brake push rod (7), the clamping groove (8) is matched with the clamping block (6) for use, a fixed block (9) is fixedly connected to the upper surface of the electromagnetic iron core relay (5), a travel switch is arranged above the fixed block (9), the travel switch comprises a travel switch shell (10), wherein the upper sides of the left and right inner side walls of the travel switch shell (10) are fixedly connected with a first connecting plate (11), the lower surface of the first connecting plate (11) is fixedly connected with one end of a first connecting rod (12), the left side of the travel switch shell is provided with a first fixed contact (13) at the other end of the first connecting rod (12), the right side of the travel switch shell is provided with a second fixed contact (14) at the other end of the first connecting rod (12), the lower sides of the left and right inner side walls of the travel switch shell (10) are fixedly connected with a second connecting plate (15), the upper surface of the second connecting plate (15) is fixedly connected with one end of a second connecting rod (16), the left side of the second connecting rod (16) is provided with a third fixed contact (17) at the other end, and the right side of, the lower surface middle part of travel switch shell (10) runs through and is equipped with push rod (19), the one end and fixed block (9) fixed connection of push rod (19), the other end of push rod (19) is equipped with current conducting plate (20), the left side of current conducting plate (20) is equipped with first movable contact (21), the right side of current conducting plate (20) is equipped with second movable contact (22), the outside cover of push rod (19) has spring holder (23), the lower inside wall fixed connection of spring holder (23) and travel switch shell (10), be equipped with the one end of spring (24) in spring holder (23), the other end of spring (24) and the lower fixed surface connection of current conducting plate (20).

2. The safety device for detecting alcohol concentration of driver according to claim 1, wherein: the first fixed contact (13) is electrically connected with an ignition switch of an automobile, and the second fixed contact (14) is electrically connected with the vehicle-mounted computer (4).

3. The safety device for detecting alcohol concentration of driver according to claim 1, wherein: the third fixed contact (17) is electrically connected with an ignition switch of the automobile, and the fourth fixed contact is electrically connected with the vehicle-mounted computer (4).

4. The safety device for detecting alcohol concentration of driver according to claim 1, wherein: the rated voltage of the storage battery (3) is 12V.