CN207190801U - A kind of driver's alcohol concentration test device - Google Patents
A kind of driver's alcohol concentration test device Download PDFInfo
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- CN207190801U CN207190801U CN201720387513.1U CN201720387513U CN207190801U CN 207190801 U CN207190801 U CN 207190801U CN 201720387513 U CN201720387513 U CN 201720387513U CN 207190801 U CN207190801 U CN 207190801U
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- alcohol concentration
- driver
- engine
- test device
- concentration sensor
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Abstract
The utility model provides a kind of driver's alcohol concentration test device, it includes being used for alcohol concentration sensor, alarm module and the Engine ECU for detecting the alcohol concentration during driver exhales, the alcohol concentration sensor connects with the alarm module and Engine ECU, when the alcohol concentration during driver exhales exceedes national standard, the alcohol concentration sensor sends a signal to the alarm module to send warning, when driver wants to continue to start engine, the alcohol concentration sensor sends a signal to the Engine ECU to prevent engine start.By driver's alcohol concentration test device of the present utility model, it is avoided that driver escapes alcohol concentration test, and when alcohol concentration exceedes national standard, engine start can be prevented.
Description
Technical field
It the utility model is related to automobile technical field, and more particularly to a kind of driver's alcohol concentration test device.
Background technology
With the development of society, the increase of car ownership, business entertainment is also very usual in life, and that drives when intoxicated shows
As of common occurrence, drunk driving traffic accident happens occasionally, and serious threat of driving when intoxicated the life of people, property safety, sternly
Traffic order is endangered again.Occur to reduce drunk driving accident, vehicle supervision department takes a variety of hands for administering phenomenon of driving when intoxicated
Section, including corresponding laws and regulations are formulated, more there are many people to propose the various vehicle-mounted alcohols for being used to prevent to drive when intoxicated and detect system
System, such system judge whether driver drives when intoxicated by detecting the content of alcohol in in-car air.If drunk beyond one's capacity,
Certain measure is then taken, prevents driver from driving vehicle, so as to reach the prevention purpose of driving when intoxicated of non-artificial intervention.
Chinese patent literature discloses a kind of detection of portable alcohol concentration and alarm of Application No. 200910233544
System, by the high sensitivity alcohol detection system using single-chip microcomputer as core, the inspection of alcohol concentration is carried out to the driver on car
Survey, and show alcohol concentration value, start audible-visual annunciator after alcohol concentration value is more than setting value.This detection and warning device
When judging whether alcohol concentration excessive, due to be alcohol content compared with preset value, and in in-car air it is various because
It is extremely unstable under the influence of element, therefore, easily judge by accident.Simultaneously as only start alarm, car after alcohol concentration surpasses preset value
Whether continue to travel, simply depending on driver, drunken driving's stagnation of movement can not be forced, there is very big drunk driving safety
Hidden danger.
Utility model content
In view of this, the utility model provides one kind and is avoided that driver escapes alcohol concentration test, and in alcohol concentration
During more than national standard, driver's alcohol concentration test device of engine start can be prevented.
In order to achieve the above-mentioned advantages, the utility model provides a kind of driver's alcohol concentration test device, it includes being used to detect
Alcohol concentration sensor, alarm module and the Engine ECU of alcohol concentration in driver's expiration, the alcohol concentration sensing
Device connects with the alarm module and Engine ECU, described when the alcohol concentration during driver exhales exceedes national standard
Alcohol concentration sensor sends a signal to the alarm module to send warning, when driver wants to continue to start engine, institute
State alcohol concentration sensor and send a signal to the Engine ECU to prevent engine start.
Further, the alcohol concentration sensor is arranged on steering wheel spoke.
Further, the alarm module includes warning lamp or buzzer.
Further, the alcohol concentration sensor and the alarm module and Engine ECU are connected by CAN
Connect.
Further, the alcohol concentration sensor provides 12V power supplys come powered operation by battery.
Further, after the engine is prevented from starting a period of time, if the alcohol concentration in driver's expiration
Meeting national standard, then the alcohol concentration sensor sends a signal to the Engine ECU to start the engine, if
Alcohol concentration does not meet national standard still, then notifies the Engine ECU again to prevent engine start, and believe by sending
On-vehicle host number is given, prompts driver whether to call generation and drives.
By driver's alcohol concentration test device of the present utility model, it is avoided that driver escapes alcohol concentration test,
And when alcohol concentration exceedes national standard, engine start can be prevented.
Brief description of the drawings
Fig. 1 is the fundamental diagram of driver's alcohol concentration test device of an embodiment of the present utility model.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further elaborated.It should be appreciated that this place is retouched
The specific embodiment stated only to explain the utility model, is not used to limit the utility model.
The alcohol concentration that driver's alcohol concentration test device includes being used to detect the alcohol concentration during driver exhales passes
Sensor, alarm module and Engine ECU (electronic control unit).Alcohol concentration sensor and alarm module and engine
ECU connections, in the present embodiment, specifically, alcohol concentration sensor and alarm module and Engine ECU pass through CAN (controls
Device LAN) bus connection.
Alcohol concentration sensor is arranged on steering wheel spoke, and its detection probe is upward.So driving is sitting in driver
When on seat, the alcohol concentration during alcohol concentration sensor can exhale to driver detects, and is avoided that driver escapes wine
Smart concentration determination.In addition, alcohol concentration sensor provides 12V power supplys come powered operation by battery, its is simple in construction, volume
It is small, and steady quality, it is cheap, can Reusability.
Alarm module includes warning lamp or buzzer.When the alcohol concentration during driver exhales exceedes national standard, wine
Smart concentration sensor sends a signal to alarm module to send warning.In the present embodiment, specifically, in driver exhales
When alcohol concentration exceedes national standard, alarm module receives the signal from alcohol concentration sensor, red warning lamp flicker 15
Second or buzzer send alarm 15 seconds, and warning driver not drive when intoxicated.
When alarm module sends warning, if driver still wants to continue to start engine, alcohol concentration sensor can be sent
Signal prevents engine start to Engine ECU.After engine is prevented from starting 5 minutes, if during driver exhales
Alcohol concentration meets national standard, then alcohol concentration sensor sends a signal to Engine ECU to start engine, but if wine
Smart concentration does not meet national standard still, then notifies Engine ECU again to prevent engine start, and by sending a signal to car
Carry main frame, prompt driver whether call generation drive.
The operation principle of driver's alcohol concentration test device of the present embodiment is described in detail with reference to Fig. 1.
When remote-control key is inserted ignition switch by driver, and reaches ACC shelves or ON shelves, 12V is provided by battery
Power supply is powered to alcohol concentration sensor and makes its start-up operation.If the alcohol concentration sensor on steering wheel spoke
Detect driver exhale in alcohol concentration exceed national standard, alcohol concentration sensor first by network C AN buses to
Warning lamp or buzzer in combination instrument send signal, and at this moment red warning lamp is flashed 15 seconds or buzzer is sent
Alarm 15 seconds, warning driver not drive when intoxicated.
If driver does not listen advice to continue to start engine alcohol concentration sensor by network C AN to Engine ECU
The request signal of oil-break cutoff is sent, engine start is prevented by Engine ECU, and then vehicle is not started, is prevented
Driver drives when intoxicated.After 5 minutes, if alcohol concentration complies with the national standard requirements, driver can restart hair
Motivation, but if alcohol concentration is not inconsistent standardization still, then alcohol concentration sensor notifies Engine ECU oil-break again, and passes through
Network C AN sends a signal to on-vehicle host, prompts driver whether to call generation and drives.
To sum up, because alcohol concentration sensor of the present utility model is arranged on steering wheel spoke, it is avoided that driver
Escape alcohol concentration test.And the alcohol concentration in alcohol concentration sensor detects that driver exhales exceedes national standard
When, alcohol concentration sensor can send a signal to alarm module to send warning, when driver wants to continue to start engine, wine
Smart concentration sensor can send a signal to Engine ECU to prevent engine start, therefore, pass through driver of the present utility model
Alcohol concentration test device can prevent engine start when the alcohol concentration during driver exhales exceedes national standard.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (6)
1. a kind of driver's alcohol concentration test device, it is characterised in that it includes being used to detect the alcohol during driver exhales
Alcohol concentration sensor, alarm module and the Engine ECU of concentration, the alcohol concentration sensor and the alarm module with
And Engine ECU connection, when the alcohol concentration during driver exhales exceedes national standard, the alcohol concentration sensor is sent
Signal sends warning to the alarm module, when driver wants to continue to start engine, the alcohol concentration sensor hair
The number of delivering letters prevents engine start to the Engine ECU.
2. driver's alcohol concentration test device as claimed in claim 1, it is characterised in that the alcohol concentration sensor peace
On steering wheel spoke.
3. driver's alcohol concentration test device as claimed in claim 1, it is characterised in that the alarm module includes warning
Lamp or buzzer.
4. driver's alcohol concentration test device as claimed in claim 1, it is characterised in that the alcohol concentration sensor and
The alarm module and Engine ECU are connected by CAN.
5. driver's alcohol concentration test device as claimed in claim 1, it is characterised in that the alcohol concentration sensor by
Battery provides 12V power supplys and carrys out powered operation.
6. driver's alcohol concentration test device as claimed in claim 1, it is characterised in that be prevented from opening in the engine
After dynamic a period of time, if the alcohol concentration during driver exhales meets national standard, the alcohol concentration sensor is sent
Signal starts the engine to the Engine ECU, if alcohol concentration does not meet national standard still, notifies institute again
Engine ECU is stated to prevent engine start, and by sending a signal to on-vehicle host, prompt driver whether to call generation and drive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720387513.1U CN207190801U (en) | 2017-04-13 | 2017-04-13 | A kind of driver's alcohol concentration test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720387513.1U CN207190801U (en) | 2017-04-13 | 2017-04-13 | A kind of driver's alcohol concentration test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207190801U true CN207190801U (en) | 2018-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720387513.1U Active CN207190801U (en) | 2017-04-13 | 2017-04-13 | A kind of driver's alcohol concentration test device |
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| CN (1) | CN207190801U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111645517A (en) * | 2020-05-25 | 2020-09-11 | 中国人民解放军陆军炮兵防空兵学院 | Intelligent assistant system for safe driving |
-
2017
- 2017-04-13 CN CN201720387513.1U patent/CN207190801U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111645517A (en) * | 2020-05-25 | 2020-09-11 | 中国人民解放军陆军炮兵防空兵学院 | Intelligent assistant system for safe driving |
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