CN212483323U - Drunk driving remote measuring system and drunk driving detection system - Google Patents
Drunk driving remote measuring system and drunk driving detection system Download PDFInfo
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- CN212483323U CN212483323U CN202020254806.4U CN202020254806U CN212483323U CN 212483323 U CN212483323 U CN 212483323U CN 202020254806 U CN202020254806 U CN 202020254806U CN 212483323 U CN212483323 U CN 212483323U
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Abstract
The utility model provides a drunk driving remote measuring system and a drunk driving detection system, which relate to the technical field of drunk driving detection and comprise a laser detection module, a reflection module and a drunk driving detection module; the laser detection module is connected with the drunk driving detection module and used for transmitting a mid-infrared laser signal to a detected vehicle, receiving the mid-infrared laser signal reflected by the reflection module and preprocessing the received mid-infrared laser signal to obtain a first harmonic signal and a second harmonic signal; the reflection module is used for receiving the intermediate infrared laser signal emitted to the detected vehicle by the laser detection module and reflecting the intermediate infrared laser signal to the laser detection module; and the drunk driving detection module is used for obtaining a drunk driving detection result according to the first harmonic signal and the second harmonic signal. The utility model discloses can improve detection efficiency, promote the rate of accuracy that detects, avoid lou examining.
Description
Technical Field
The utility model belongs to the technical field of the detection technique is driven to wine and specifically relates to a wine drives remote measurement system and wine and drives detecting system is related to.
Background
Drunk driving is easy to cause serious traffic accidents, and the death rate is high, so drunk driving behaviors must be stringently stricken. At present, the drunk driving judgment method mainly measures the alcohol concentration in human blood directly or indirectly, such as a blood assay method, an expiration detection method, an alcohol test paper method and the like, and the methods all need manual detection on site or in a laboratory, so that the method is time-consuming and labor-consuming, low in detection efficiency and has the condition of missed detection.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a wine drives remote measurement system and wine and drives detecting system, can improve detection efficiency, promotes the rate of accuracy that detects, avoids lou examining.
In a first aspect, an embodiment provides a drunk driving remote measuring system, which includes a laser detection module, a reflection module and a drunk driving detection module;
the laser detection module is connected with the drunk driving detection module and used for transmitting a mid-infrared laser signal to a detected vehicle, receiving the mid-infrared laser signal reflected by the reflection module and preprocessing the received mid-infrared laser signal to obtain a first harmonic signal and a second harmonic signal;
the reflection module is used for receiving the intermediate infrared laser signal emitted to the detected vehicle by the laser detection module and reflecting the intermediate infrared laser signal to the laser detection module;
and the drunk driving detection module is used for obtaining a drunk driving detection result according to the first harmonic signal and the second harmonic signal.
In an optional embodiment, the laser detection module comprises a mid-infrared laser emission module, a laser collimation and convergence module, a detector module and a pretreatment module;
the intermediate infrared laser emission module is used for emitting intermediate infrared laser;
the laser collimation and convergence module is used for collimating and converging the mid-infrared laser emitted by the mid-infrared laser emission module to emit parallel mid-infrared laser to the reflection module; receiving the parallel mid-infrared laser reflected by the reflection module, and converging the received parallel mid-infrared laser to a focus;
the detector module is used for modulating the mid-infrared laser converged at the focus, converting the modulated mid-infrared laser into a modulated electric signal, and conditioning the modulated electric signal to obtain a conditioned signal;
the preprocessing module is used for demodulating the conditioning signal into a first harmonic signal and a second harmonic signal.
In an alternative embodiment, the reflection module comprises at least two reflection sub-modules; the number of the reflection sub-modules is matched with the distance between the reflection module and the laser detection module.
In an alternative embodiment, the mid-infrared laser emitting module comprises a laser driver and a mid-infrared laser;
the laser driver is used for providing driving voltage for the intermediate infrared laser;
the intermediate infrared laser is used for emitting intermediate infrared laser.
In an alternative embodiment, an infrared fiber is also included;
the infrared optical fiber is used for transmitting the mid-infrared laser emitted by the mid-infrared laser to the laser collimation and convergence module.
In an alternative embodiment, the laser collimating and condensing module includes a convex lens and a collimator;
the collimator is used for receiving the mid-infrared laser transmitted by the infrared optical fiber, collimating the received mid-infrared laser and then transmitting parallel mid-infrared laser;
the convex lens is used for receiving the intermediate infrared laser reflected by the reflection module and converging the reflected intermediate infrared laser to a focus.
In an alternative embodiment, the detector module comprises a single-point infrared detector and a detector driving module;
the single-point infrared detector is used for converting the mid-infrared laser reflected by the laser collimation and convergence module into a modulation electric signal;
and the detector driving module is used for amplifying and filtering the modulated electric signal modulated by the single-point infrared detector to obtain a conditioned signal.
In an alternative embodiment, the drunk driving detection module comprises an embedded processor.
In an optional embodiment, the license plate recognition system further comprises a license plate recognition module;
and the license plate recognition module is used for recording the license plate information of the detected vehicle.
In a second aspect, embodiments provide a drunk driving detection system, comprising a drunk driving telemetry system according to any one of the preceding embodiments and a remote monitoring center;
and the drunk driving remote measuring system is used for sending the obtained drunk driving detection result of the detected vehicle and the license plate information of the detected vehicle to the remote monitoring center.
The utility model provides a drunk driving remote measuring system and a drunk driving detection system, which are provided with a laser detection module and can emit mid-infrared laser signals to a detected vehicle; the laser detection module is arranged on the base and can be used for detecting the middle infrared laser signal sent by the laser detection module; the laser detection module receives the signal reflected by the reflection module and then carries out pretreatment to obtain a first harmonic signal and a second harmonic signal; the drunk driving detection module can obtain drunk driving detection results according to the first harmonic signal and the second harmonic signal so as to judge whether the detected vehicle contains alcohol or not. The utility model discloses can improve detection efficiency, promote the rate of accuracy that detects, avoid lou examining.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a system schematic diagram of a drunk driving remote measuring system provided by an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a drunk driving remote measuring system provided by an embodiment of the present invention;
fig. 3 is another schematic structural diagram of the drunk driving remote measuring system according to the embodiment of the present invention;
fig. 4 is a system schematic diagram of the drunk driving detection system provided by the embodiment of the present invention.
Icon: 10-a laser detection module; 11-convex lens; 12-a laser driver; 13-mid-infrared laser; 14-a collimator; 15-infrared optical fiber; 16-single point infrared detector; 17-a detector drive module; 18-a pre-treatment module; 20-a reflective module; 30-drunk driving detection module; 40-a license plate recognition module; 100-drunk driving remote measuring system; 200-remote monitoring center.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
At present, when a traffic management department detects drunk driving of a driver, manual detection is usually adopted, time and labor are wasted, the detection accuracy rate is low, and the condition of missed detection exists.
Some patents in China propose a mode of detecting drunk driving by adopting a laser, but the adopted near-infrared lasers are extremely low in sensitivity to alcohol, are easily affected by water vapor and are extremely high in false detection rate, so that the method is not suitable for drunk driving remote measurement, and mature drunk driving remote measurement product application based on the near-infrared laser is not found.
Based on this, this embodiment provides a wine remote measurement system of driving and wine detecting system of driving, can improve detection efficiency, promotes the rate of accuracy that detects, avoids lou examining, and is right through the embodiment below the utility model discloses introduce in detail.
Referring to fig. 1, an embodiment provides a drunk driving remote sensing system, including a laser detection module 10, a reflection module 20, and a drunk driving detection module 30;
the laser detection module 10 is connected with the drunk driving detection module 30 and is used for transmitting a mid-infrared laser signal to a detected vehicle, receiving the mid-infrared laser signal reflected by the reflection module 20, and preprocessing the received mid-infrared laser signal to obtain a first harmonic signal and a second harmonic signal;
the reflection module 20 is configured to receive a mid-infrared laser signal emitted by the laser detection module 10 to the vehicle to be detected, and reflect the mid-infrared laser signal to the laser detection module 10;
and the drunk driving detection module 30 is used for obtaining a drunk driving detection result according to the first harmonic signal and the second harmonic signal.
Specifically, the wavelength of the mid-infrared laser signal transmitted by the laser detection module 10 of this embodiment is 3300nm to 3500 nm. Alcohol has strong absorption in infrared laser with the mid-infrared spectrum wavelength of 3300nm to 3500nm, so that a laser with a suitable peak wavelength between 3300nm and 3500nm can be selected for alcohol detection, for example, a laser with a peak wavelength of 3345nm or 3390nm is selected, but not limited to the above two.
The laser detection module 10 of this embodiment is a tunable laser, which is a laser capable of continuously changing the output wavelength of the laser within a certain range. The laser has wide application, and can be used for spectroscopy, photochemistry, medicine, biology, integrated optics, pollution monitoring, semiconductor material processing, information processing, communication and the like.
According to the embodiment, the tunable characteristic of the laser is utilized, the laser is modulated in a wavelength modulation spectrum mode, the infrared detector is utilized to receive the modulated laser signal, the first harmonic and the second harmonic of the laser signal can be obtained, the harmonic signal comprises an alcohol concentration signal, and the alcohol concentration can be inverted according to the beer Lambert law and a specific fitting algorithm, so that whether the alcohol is contained in the vehicle or not can be judged.
The embodiment can transmit a mid-infrared laser signal to the detected vehicle through the laser detection module 10; the middle infrared laser signal sent by the laser detection module 10 is reflected by the reflection module 20; the laser detection module 10 receives the signal reflected by the reflection module 20 and then carries out preprocessing to obtain a first harmonic signal and a second harmonic signal; then, the drunk driving detection module 30 can obtain a drunk driving detection result according to the first harmonic signal and the second harmonic signal to judge whether the detected vehicle contains alcohol. The utility model discloses can improve detection efficiency, promote the rate of accuracy that detects, avoid lou examining.
Optionally, referring to fig. 2, the laser detection module 10 in the above implementation includes a mid-infrared laser emission module, a laser collimation and convergence module, a detector module, and a preprocessing module 18;
the middle infrared laser emission module is used for emitting middle infrared laser;
the laser collimation and convergence module is used for collimating and converging the mid-infrared laser emitted by the mid-infrared laser emission module to emit parallel mid-infrared laser to the reflection module 20; receiving the parallel mid-infrared laser light reflected by the reflection module 20, and converging the received parallel mid-infrared laser light to a focus;
the detector module is used for modulating the mid-infrared laser converged at the focus, converting the modulated mid-infrared laser into a modulated electric signal, and conditioning the modulated electric signal to obtain a conditioned signal;
and a preprocessing module 18 for demodulating the conditioned signal into a first harmonic signal and a second harmonic signal.
Specifically, the laser detection module 10 of the present embodiment emits mid-infrared laser light through the mid-infrared laser emission module, sends the emitted laser light to the reflection module 20 in parallel through the laser collimation and convergence module, receives the reflected mid-infrared laser light through the detector module, and modulates the reflected mid-infrared laser light into a modulation electrical signal; the modulated electrical signals are converted to first and second harmonic signals by the pre-processing module 18.
The second harmonic signal is sensitive to alcohol concentration and is in direct proportion to the alcohol concentration and the laser intensity, the first harmonic signal is insensitive to the alcohol concentration and is in direct proportion to the laser intensity, and according to the principle, the drunk driving detection module 30 detects the first harmonic signal and the second harmonic signal to judge whether the detected vehicle contains alcohol or not.
Compared with the adoption of manual detection, the alcohol telemetering is carried out by adopting the mid-infrared laser, the accuracy rate is higher, and missing detection is avoided.
Optionally, the reflection module 20 in the above implementation includes at least two reflection sub-modules; the number of reflection sub-modules is adapted to the distance between the reflection module 20 and the laser detection module 10.
Specifically, a plurality of reflection modules 20 may be provided, and in fig. 2, two reflection modules 20 may be provided and may be adjusted according to a distance from the laser detection module 10. Generally, the number of the reflection modules 20 is about 3.
Optionally, the mid-infrared laser emission module in the above implementation includes a laser driver 12 and a mid-infrared laser 13;
a laser driver 12 for supplying a driving voltage to the mid-infrared laser 13;
and a mid-infrared laser 13 for emitting mid-infrared laser light.
Specifically, the laser driver 12 controls the mid-infrared laser 13 to emit modulated mid-infrared laser light.
Optionally, the drunk driving telemetry system in the above implementation further includes an infrared optical fiber 15;
and the infrared optical fiber 15 is used for transmitting the mid-infrared laser emitted by the mid-infrared laser 13 to the laser collimation and convergence module.
Specifically, the mid-infrared laser light is quasi-transmitted to the collimator 14 through the infrared fiber 15.
Optionally, the laser collimating and converging module in the above implementation includes a convex lens 11 and a collimator 14;
the collimator 14 is used for receiving the mid-infrared laser transmitted by the infrared fiber 15, collimating the received mid-infrared laser and then transmitting parallel mid-infrared laser;
and the convex lens 11 is used for receiving the mid-infrared laser light reflected by the reflection module 20 and converging the reflected mid-infrared laser light to a focus.
Specifically, the collimator 14 is configured to collimate the mid-infrared laser light sent by the infrared fiber 15 and then parallel to the emission value reflection module 20. The convex lens 11 is used for receiving the parallel mid-infrared laser light reflected by the reflection module 20 and converging the parallel mid-infrared laser light to a focus.
Optionally, the detector module in the above implementation includes a single-point infrared detector 16 and a detector driving module 17;
the single-point infrared detector 16 is used for converting the mid-infrared laser reflected by the laser collimation and convergence module into a modulation electric signal;
and the detector driving module 17 is configured to amplify and filter the modulated electrical signal modulated by the single-point infrared detector 16 to obtain a conditioned signal.
Specifically, the single-point infrared detector 16 converts the modulated laser signal into a modulated electrical signal, and the modulated electrical signal enters the embedded processor after being conditioned (i.e., amplified and filtered) by the detector driving module 17.
Optionally, the drunk driving detection module 30 in the above implementation includes an embedded processor.
Specifically, the embedded processor demodulates the modulated electrical signal to obtain a first harmonic signal and a second harmonic signal of the modulated laser signal, and transmits the first harmonic signal and the second harmonic signal to the drunk driving detection module 30.
Optionally, referring to fig. 3, the drunk driving telemetry system in the above embodiment further includes a license plate recognition module 40;
and the license plate recognition module 40 is used for recording the license plate information of the detected vehicle.
Specifically, referring to fig. 3, the laser detection module 10 and the reflection module 20 are respectively disposed at two ends of a road, when a vehicle passes through the drunk driving remote measurement system of this embodiment, the license plate recognition module 40 recognizes a license plate and notifies the drunk driving detection module 30 to control the laser detection module 10 to start working, the drunk driving detection module 30 collects a signal of the laser detection module 10 to perform analysis processing, and when a vehicle containing alcohol is found, a drunk driving detection result is sent to a remote monitoring center (for example, a traffic police monitoring platform or a terminal for warning) in real time in a wired or wireless network manner.
Referring to fig. 4, an embodiment provides a drunk driving detection system, including the drunk driving telemetry system 100 and the remote monitoring center 200 according to any one of the foregoing embodiments;
the drunk driving remote measuring system 100 is used for sending the obtained drunk driving detection result of the detected vehicle and the license plate information of the detected vehicle to the remote monitoring center 200.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (8)
1. A drunk driving remote measuring system is characterized by comprising a laser detection module, a reflection module and a drunk driving detection module;
the laser detection module is connected with the drunk driving detection module and used for transmitting a mid-infrared laser signal to a detected vehicle, receiving the mid-infrared laser signal reflected by the reflection module and preprocessing the received mid-infrared laser signal to obtain a first harmonic signal and a second harmonic signal;
the reflection module is used for receiving the intermediate infrared laser signal emitted to the detected vehicle by the laser detection module and reflecting the intermediate infrared laser signal to the laser detection module;
the drunk driving detection module is used for obtaining a drunk driving detection result according to the first harmonic signal and the second harmonic signal;
the laser detection module comprises a mid-infrared laser emission module, a laser collimation and convergence module, a detector module and a pretreatment module;
the intermediate infrared laser emission module is used for emitting intermediate infrared laser;
the laser collimation and convergence module is used for collimating and converging the mid-infrared laser emitted by the mid-infrared laser emission module to emit parallel mid-infrared laser to the reflection module; receiving the parallel mid-infrared laser reflected by the reflection module, and converging the received parallel mid-infrared laser to a focus;
the detector module is used for modulating the mid-infrared laser converged at the focus, converting the modulated mid-infrared laser into a modulated electric signal, and conditioning the modulated electric signal to obtain a conditioned signal;
the preprocessing module is used for demodulating the conditioning signal into a first harmonic signal and a second harmonic signal;
the detector module comprises a single-point infrared detector and a detector driving module;
the single-point infrared detector is used for converting the mid-infrared laser reflected by the laser collimation and convergence module into a modulation electric signal;
and the detector driving module is used for amplifying and filtering the modulated electric signal modulated by the single-point infrared detector to obtain a conditioned signal.
2. The system of claim 1, wherein the reflection module comprises at least two reflection sub-modules; the number of the reflection sub-modules is matched with the distance between the reflection module and the laser detection module.
3. The system of claim 1, wherein the mid-infrared laser emitting module comprises a laser driver and a mid-infrared laser;
the laser driver is used for providing driving voltage for the intermediate infrared laser;
the intermediate infrared laser is used for emitting intermediate infrared laser.
4. The system of claim 3, further comprising an infrared fiber;
the infrared optical fiber is used for transmitting the mid-infrared laser emitted by the mid-infrared laser to the laser collimation and convergence module.
5. The system of claim 3, wherein the laser collimating and condensing module comprises a convex lens and a collimator;
the collimator is used for receiving the mid-infrared laser transmitted by the infrared optical fiber, collimating the received mid-infrared laser and then transmitting parallel mid-infrared laser;
the convex lens is used for receiving the intermediate infrared laser reflected by the reflection module and converging the reflected intermediate infrared laser to a focus.
6. The system of claim 1, wherein the drunk driving detection module comprises an embedded processor.
7. The system of claim 1, further comprising a license plate recognition module;
and the license plate recognition module is used for recording the license plate information of the detected vehicle.
8. A drunk driving detection system, comprising the drunk driving telemetry system as set forth in any one of claims 1 to 7 and a remote monitoring center;
and the drunk driving remote measuring system is used for sending the obtained drunk driving detection result of the detected vehicle and the license plate information of the detected vehicle to the remote monitoring center.
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| CN202020254806.4U CN212483323U (en) | 2020-03-04 | 2020-03-04 | Drunk driving remote measuring system and drunk driving detection system |
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