CN103235146A - Alcohol content detection method and detector - Google Patents
Alcohol content detection method and detector Download PDFInfo
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- CN103235146A CN103235146A CN201310131651XA CN201310131651A CN103235146A CN 103235146 A CN103235146 A CN 103235146A CN 201310131651X A CN201310131651X A CN 201310131651XA CN 201310131651 A CN201310131651 A CN 201310131651A CN 103235146 A CN103235146 A CN 103235146A
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Abstract
Embodiments of the invention disclose an alcohol detection method and a detector, wherein a lost energy value of a signal passing through a cab of a tested driver is tested to calculate an alcohol concentration value in air exhaled by the driver so as to obtain the alcohol content in the tested driver blood. With the method, vehicle stopping is not required, remote detection on the alcohol content in the driver blood is achieved, and traffic can not be obstructed.
Description
Technical field
The present invention relates to automatic detection range, relate in particular to a kind of alcohol content detection method and detector.
Background technology
The traffic hazard that causes along with driving when intoxicated in recent years is increasing, and the traffic police has strengthened the test dynamics to alcohol content in driver's blood in enforcing law.At present the most frequently used means of testing is whether utilize scentometer to analyze tested driver be drunk driving.After but this means of testing must allow the vehicle of tested driver driving stop, closely test the alcohol content in tested driver's blood, this method will inevitably cause obstruction to traffic.
Summary of the invention
In view of this, the invention provides a kind of alcohol content detection method and detector, with solving the problem that existing method of testing can cause obstruction to traffic.
To achieve these goals, the embodiment of the invention provides following technical scheme:
A kind of alcohol content detection method comprises:
To tested vehicle pilothouse emission original test signal;
The test signal of described tested vehicle pilothouse is passed in reception, and measure the test signal receive is compared loss with described original test signal energy, energy according to described loss, calculate the alcohol concentration in the described tested vehicle pilothouse, and determine to be arranged in the alcohol content value of driver's blood of described tested vehicle pilothouse according to the alcohol concentration in the described tested vehicle pilothouse.
Preferably, described test signal of passing described tested vehicle pilothouse is:
Pass the test signal of described tested vehicle pilothouse and reflected back.
Preferably, after the alcohol content value of the described driver's blood that obtains being arranged in described vehicle cab, also comprise:
Described alcohol content value is compared with preset threshold value, if described alcohol content value greater than described threshold value, then record described driver driving automobile licence plate and send information.
Preferably, described original test signal is the laser intensity signal.
A kind of alcohol content detector comprises:
Signal projector is used for to tested vehicle pilothouse emission original test signal;
The alcohol content detection module, be used for receiving the test signal of passing described tested vehicle pilothouse, and measure the test signal receive is compared loss with described original test signal energy, energy according to described loss, calculate the alcohol concentration in the described vehicle cab, and determine to be arranged in the alcohol content value of driver's blood of described vehicle cab according to the alcohol concentration in the described tested vehicle pilothouse.
Preferably, described alcohol content detector also comprises:
Signal reflectors is used for receiving described test signal of passing described tested vehicle pilothouse, and described alcohol content detection module is arrived in described signal reflex.
Preferably, described alcohol content detection module comprises:
Signal receiver is used for receiving test signal and the transmission of passing described tested vehicle pilothouse;
The alcohol content detecting unit, the energy that is used for receiving the test signal of described signal receiver transmission and measures described test signal loss, energy according to described loss, calculate the alcohol concentration in the described vehicle cab, with the alcohol content value of driver's blood of obtaining being arranged in described vehicle cab.
Preferably, with described signal receiver and the integrated setting of described alcohol content detecting unit, or described signal receiver and described alcohol content detecting unit split arranged, and connect by signal wire.
Preferably, described alcohol content detector also comprises:
Display screen is for the alcohol content value that shows described driver's blood.
Judge module is used for described alcohol content value is compared with preset threshold value, judges that whether described alcohol content value is greater than described threshold value;
Camera is used for taking the licence plate of the automobile of described driver driving when described judge module is judged described alcohol content greater than described threshold value;
The image acquisition and processing module, the taking pictures of automobile of be used for gathering and handling the described driver driving that described camera takes;
Reminding module is used for sending information when described judge module is judged described alcohol content greater than described threshold value, and the prompting law enfrocement official handles.
Preferably, described signal projector is the laser signal transmitter.
The disclosed a kind of alcohol detection method of the embodiment of the invention and detector, pass the energy value of the loss of signal of the pilothouse at tested driver place by test, calculate the airborne alcohol concentration value that the driver breathes out, thereby obtain the alcohol content value in tested driver's blood, this method does not need the driver to stop, realized the remote detection to the alcohol content in driver's blood, can not block the traffic.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the disclosed a kind of alcohol content detection method process flow diagram of the embodiment of the invention;
Fig. 2 is disclosed another the alcohol content detection method process flow diagram of the embodiment of the invention;
Fig. 3 is the structural representation of the disclosed a kind of alcohol content detector of the embodiment of the invention;
Fig. 4 is the structural representation of disclosed another the alcohol content detector of the embodiment of the invention.
Embodiment
The present invention is directed to the necessary tested driver's of close-in measurement of existing alcohol content detection method and equipment shortcoming, a kind of alcohol content detection method and detector have been proposed, by the test wire size of passing tested driver driving chamber is carried out the measurement of energy loss, realized under the state that the driver is not stopped the remote detection to the alcohol content in described driver's blood.
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
A kind of alcohol content detection method provided by the invention as shown in Figure 1, comprising:
Step S101: to tested vehicle pilothouse emission original test signal;
In the present embodiment, original test signal is monochromatic laser intensity signal, but is not limited thereto.The process of emission original test signal can be by the tester, for example traffic police's control.
Step S102: receive the test signal of passing described tested vehicle pilothouse, and measure the test signal receive is compared loss with described original test signal energy, energy according to described loss, calculate the alcohol concentration in the tested vehicle pilothouse, and determine to be arranged in the alcohol content value of driver's blood of described pilothouse according to described alcohol concentration.
Because alcohol can absorb monochromatic laser intensity signal, so, after original test signal is passed the tested vehicle pilothouse, energy will inevitably reduce, the energy that passes the test signal of tested vehicle pilothouse is compared with the energy of original test signal, just can be calculated the energy value that the alcohol in the tested vehicle pilothouse absorbs, thereby can calculate the alcohol concentration in the tested vehicle pilothouse, according to this alcohol concentration value, can determine the alcohol content value of the driver's blood that is arranged in pilothouse.
Existing drunk driving pick-up unit, whether exceed standard according to the alcohol content in the gas of chemical reaction judgement driver exhalation, and the method described in the present embodiment is judged alcohol content according to the variation of the energy of light signal, is essentially different with the method for prior art.
The alcohol content detection method that present embodiment provides has realized the alcohol content value in remote detection driver's blood, need not tackle the tested vehicle in travelling, so can not cause obstruction to traffic.
Another alcohol content detection method disclosed by the invention as shown in Figure 2, comprising:
S201: to tested vehicle pilothouse emission original test signal;
S202: receive the test signal of passing described tested vehicle pilothouse and reflected back, and measure the test signal receive is compared loss with described original test signal energy, energy according to described loss, calculate the alcohol concentration in the described tested vehicle pilothouse, and determine to be arranged in the alcohol content value of driver's blood of described tested vehicle pilothouse according to the alcohol concentration in the described tested vehicle pilothouse.
In the present embodiment, original test signal just is received through primary event through behind the tested vehicle pilothouse again, catches up with to state embodiment and compare, and this method can make signal receiver and original signal emission device be positioned at homonymy, makes things convenient for tester's flexible operating.
Further, above-mentioned two embodiment are after the alcohol content value of determining the driver's blood that is arranged in described tested vehicle pilothouse, can also comprise: described alcohol content value is compared with preset threshold value, if described alcohol content value is greater than described threshold value, then record described driver driving automobile licence plate and send information, the prompting law enfrocement official handles.
Wherein, preset threshold value is the higher limit of the alcohol content in predefined driver's blood, exceeds this higher limit, thinks that namely the driver is for driving when intoxicated.
Described method can make the law-executor according to the alcohol content value in detected driver's blood, rapidly the driver who drives when intoxicated is made a response, and has ensured vehicle on the road and pedestrian's safety.
A kind of alcohol content detector disclosed by the invention as shown in Figure 3, comprising:
Wherein, signal projector 301 is used for to tested vehicle pilothouse emission original test signal;
In the present embodiment, signal projector is the laser intensity transmitter, but is not limited to this.
Alcohol content detection module 302, be used for receiving the test signal of passing described tested vehicle pilothouse, and measure the test signal receive is compared loss with described original test signal energy, energy according to described loss, calculate the alcohol concentration in the described vehicle cab, and determine to be arranged in the alcohol content value of driver's blood of described vehicle cab according to the alcohol concentration in the described tested vehicle pilothouse.
This alcohol content detector can be arranged on by the highway in traffic inspection post, also can be arranged on for blind detection by the highway of any running section.Wherein, according to the characteristic of laser signal rectilinear propagation, signal projector 301 and alcohol content detection module 302 are oppositely arranged.
The detailed process of using this alcohol content detector to detect the alcohol content value in driver's blood is: the front portion emission original test signal of the pilothouse of the tested vehicle of law enfrocement official's control signal transmitter in travel, the energy of described original test signal is the fixed value that sets in advance, can store the energy value of original test signal in advance in the alcohol content detection module, receiving through after the test signal of described pilothouse, the energy of the test signal that the receives energy value with the original test signal of original storage is compared, calculate both differences, be the energy that loses when original test signal is passed pilothouse.Energy according to loss calculates the alcohol concentration in the described vehicle cab, and determines to be arranged in the alcohol content value of driver's blood of described vehicle cab according to the alcohol concentration in the tested vehicle pilothouse.
The disclosed alcohol content detector of present embodiment is arranged on by the highway, and the alcohol content under can detecting under vehicle running state in the vehicle drivers blood can not cause obstruction to traffic.
Another alcohol content detector disclosed by the invention as shown in Figure 4, comprising: signal projector 401, signal reflectors 402 and alcohol content detection module 403.
Wherein, signal projector 401 is used for to tested vehicle pilothouse emission original test signal;
Signal reflectors 402 is used for receiving described test signal of passing described tested vehicle pilothouse, and described alcohol content detection module is arrived in described signal reflex.
Alcohol content detection module 403, be used for receiving the test signal that signal reflectors 402 reflections come, and measure the test signal receive is compared loss with described original test signal energy, energy according to described loss, calculate the alcohol concentration in the described vehicle cab, and determine to be arranged in the alcohol content value of driver's blood of described vehicle cab according to the alcohol concentration in the described tested vehicle pilothouse.
Signal projector 401 and alcohol content detector 402 in the present embodiment are arranged on homonymy, are oppositely arranged with reverberator.Wherein signal projector 401 and alcohol content detector 402 can be arranged in the mobile law enforcement car.
This concrete course of work of implementing disclosed alcohol content detector is: law enfrocement official's control signal transmitter in the law enforcement car that flows is launched original test signal to the front portion of the pilothouse of tested vehicle, signal projector receives test signal and the reflection of passing the tested vehicle pilothouse and gives the alcohol content detection module, and the alcohol content detection module detects the alcohol content value in the tested vehicle driver blood.
The disclosed alcohol content detector of present embodiment, flexible and convenient to use, the law enforcement car that flows can detect alcohol content in driver's blood of driving vehicle at any time.
Further, the alcohol content detecting unit more than in two disclosed alcohol content detectors of embodiment specifically comprises:
Signal receiver is used for receiving test signal and the transmission of passing described tested vehicle pilothouse;
The alcohol content detecting unit is used for receiving the test signal of described signal receiver transmission and measuring institute
State the energy of test signal loss, according to the energy of described loss, calculate the alcohol concentration in the described vehicle cab, with the alcohol content value of driver's blood of obtaining being arranged in described vehicle cab.
Wherein, described signal receiver and integrated being set together of described alcohol content detecting unit also can be arranged described signal receiver and described alcohol content detecting unit split, both will connect by signal wire.
Further, two disclosed alcohol content detectors of embodiment can also comprise more than:
Display screen is for the alcohol content value that shows described driver's blood.
Judge module is used for described alcohol content value is compared with preset threshold value, judges that whether described alcohol content value is greater than described threshold value;
Camera is used for taking the licence plate of the automobile of described driver driving when described judgment unit judges goes out described alcohol content greater than described threshold value;
The licence plate of the automobile of the described driver driving that described camera takes be used for to be gathered and handled to the image acquisition and processing module;
Reminding module is used for sending information when described judge module is judged described alcohol content greater than described threshold value, and the prompting law enfrocement official handles.
Said apparatus can be used as the attachment device of alcohol content detector, wherein judge module is according to the result of alcohol content detection module output, if judge described alcohol content greater than described threshold value, then control camera take the drunk driving driver driving automobile licence plate and send to the image acquisition and processing module and handle, with the evidence of the License Plate Image after handling as drunk driving, and sending information, the prompting law enfrocement official handles described drunk driving driver.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments herein.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the wideest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. an alcohol content detection method is characterized in that, comprising:
To tested vehicle pilothouse emission original test signal;
The test signal of described tested vehicle pilothouse is passed in reception, and measure the test signal receive is compared loss with described original test signal energy, energy according to described loss, calculate the alcohol concentration in the described tested vehicle pilothouse, and determine to be arranged in the alcohol content value of driver's blood of described tested vehicle pilothouse according to the alcohol concentration in the described tested vehicle pilothouse.
2. method according to claim 1 is characterized in that, described test signal of passing described tested vehicle pilothouse is:
Pass the test signal of described tested vehicle pilothouse and reflected back.
3. method according to claim 1 is characterized in that, after the alcohol content value of the described driver's blood that obtains being arranged in described vehicle cab, also comprises:
Described alcohol content value is compared with preset threshold value, if described alcohol content value greater than described threshold value, then record described driver driving automobile licence plate and send information.
4. method according to claim 1 is characterized in that, described original test signal is the laser intensity signal.
5. an alcohol content detector is characterized in that, comprising:
Signal projector is used for to tested vehicle pilothouse emission original test signal;
The alcohol content detection module, be used for receiving the test signal of passing described tested vehicle pilothouse, and measure the test signal receive is compared loss with described original test signal energy, energy according to described loss, calculate the alcohol concentration in the described vehicle cab, and determine to be arranged in the alcohol content value of driver's blood of described vehicle cab according to the alcohol concentration in the described tested vehicle pilothouse.
6. tester according to claim 5 is characterized in that, also comprises:
Signal reflectors is used for receiving described test signal of passing described tested vehicle pilothouse, and described alcohol content detection module is arrived in described signal reflex.
7. according to claim 5 or 6 described detectors, it is characterized in that described alcohol content detection module comprises:
Signal receiver is used for receiving test signal and the transmission of passing described tested vehicle pilothouse;
The alcohol content detecting unit, the energy that is used for receiving the test signal of described signal receiver transmission and measures described test signal loss, energy according to described loss, calculate the alcohol concentration in the described vehicle cab, with the alcohol content value of driver's blood of obtaining being arranged in described vehicle cab.
8. detector according to claim 7 is characterized in that, with described signal receiver and the integrated setting of described alcohol content detecting unit, or described signal receiver and described alcohol content detecting unit split is arranged, and connects by signal wire.
9. according to claim 5 or 6 described detectors, it is characterized in that, also comprise:
Display screen is for the alcohol content value that shows described driver's blood;
Judge module is used for described alcohol content value is compared with preset threshold value, judges that whether described alcohol content value is greater than described threshold value;
Camera is used for taking the licence plate of the automobile of described driver driving when described judge module is judged described alcohol content greater than described threshold value;
The licence plate of the automobile of the described driver driving that described camera takes be used for to be gathered and handled to the image acquisition and processing module;
Reminding module is used for sending information when described judge module is judged described alcohol content greater than described threshold value, and the prompting law enfrocement official handles.
10. detector according to claim 5 is characterized in that, described signal projector is the laser signal transmitter.
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| CN201310131651XA CN103235146A (en) | 2013-04-16 | 2013-04-16 | Alcohol content detection method and detector |
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| CN201310131651XA CN103235146A (en) | 2013-04-16 | 2013-04-16 | Alcohol content detection method and detector |
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Application publication date: 20130807 |