CN109030399B - Alcohol detector integrating rough examination and fine examination - Google Patents
Alcohol detector integrating rough examination and fine examination Download PDFInfo
- Publication number
- CN109030399B CN109030399B CN201810822099.1A CN201810822099A CN109030399B CN 109030399 B CN109030399 B CN 109030399B CN 201810822099 A CN201810822099 A CN 201810822099A CN 109030399 B CN109030399 B CN 109030399B
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- tube
- pipe
- alcohol
- sampling
- shell
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- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 title claims abstract description 55
- 238000005070 sampling Methods 0.000 claims abstract description 45
- 238000007689 inspection Methods 0.000 claims abstract description 27
- 230000005611 electricity Effects 0.000 claims abstract description 3
- 238000007789 sealing Methods 0.000 claims description 5
- 241000883990 Flabellum Species 0.000 claims description 2
- 230000010354 integration Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 29
- 238000007664 blowing Methods 0.000 description 9
- 230000005855 radiation Effects 0.000 description 5
- 239000008280 blood Substances 0.000 description 4
- 210000004369 blood Anatomy 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 210000004072 lung Anatomy 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 208000019901 Anxiety disease Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3504—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
The invention discloses an alcohol detector integrating rough examination and fine examination, which relates to the field of alcohol detectors and comprises a shell, wherein one end of the shell is provided with an inwards concave arc-shaped bracket, a plurality of infrared emitters and a plurality of infrared reflection-type sensors are arranged in the bracket, the surface of the shell is provided with a display screen, a controller is arranged in the shell, and the infrared reflection-type sensors, the infrared emitters and the display screen are electrically connected with the controller; the one end that the support was kept away from to the casing is provided with the sampling tube, still is provided with alcohol sensor in the casing, and the one end and the alcohol sensor intercommunication of sampling tube, alcohol sensor and controller electricity federation. The alcohol detector integrating coarse inspection and fine inspection is characterized in that a set of coarse inspection system based on an infrared detection principle is additionally arranged besides the expiration type detection system, coarse inspection is completed through detection on an arm, and only expiration type fine inspection is performed on a detected object suspected of drunk driving according to a coarse inspection result, so that time is saved, and inspection efficiency is improved.
Description
Alcohol detector integrating rough examination and fine examination
Technical Field
The invention relates to the field of alcohol detectors, in particular to an alcohol detector integrating coarse inspection and fine inspection.
Background
Alcohol detector is the usual equipment that traffic police carries out drunk driving check and treatment. In the prior art, a single expiration type alcohol detector is generally adopted for detection, a person to be detected is blown into the alcohol detector during detection, and the alcohol concentration in blood of the person to be tested is calculated by detecting the alcohol concentration in the blown gas, so that whether drunk driving or drunk driving is judged. However, in the actual law enforcement process, because the expiratory alcohol detector is adopted for detection, part of detected personnel can generate anti-action due to health concerns, so that the problem of great law enforcement difficulty is caused. In order to eliminate the above-mentioned health concern, the disposable blowpipe is mostly selected for use in the prior art when detecting, but the installation and the dismantlement of disposable blowpipe are not convenient enough again, and the work load is big when drunk driving inspection, wastes a large amount of time again. In order to avoid punishment, a part of personnel suspected of drunk driving adopts various methods including false blowing, inspiration and the like during blowing, and alcohol detection needs a certain test time, and when the false blowing is finished, the alcohol detection needs rechecking, a large amount of time is wasted, and the detection efficiency is affected.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides an alcohol detector integrating rough examination and fine examination, wherein a set of rough examination system based on an infrared detection principle is additionally arranged besides an expiration type detection system, the rough examination is finished by detecting on an arm, only the suspected detected object is subjected to expiration type fine examination according to the rough examination result, and no air blowing detection is performed sequentially, so that the examination efficiency is improved; the sampling device is arranged, so that the disposable blowpipe can be quickly replaced, meanwhile, the single air valve device is arranged in the sampling device, invalid detection caused by a false blowing phenomenon is avoided, time is saved, and the checking efficiency is further improved.
The aim of the invention is realized by the following technical scheme:
the alcohol detector is characterized by comprising a shell, wherein one end of the shell is provided with an inwards concave arc-shaped bracket, a plurality of infrared emitters and a plurality of infrared reflection type sensors are arranged in the bracket, a display screen is arranged on the surface of the shell, a controller is arranged in the display screen, and the infrared reflection type sensors, the infrared emitters and the display screen are electrically connected with the controller;
one end of the shell, which is far away from the bracket, is provided with a sampling device, the sampling device comprises a sampling tube, a telescopic tube, a disposable blowpipe, a positioning seat and a one-way air valve device a,
the unidirectional air valve device a comprises a framework a, a spring a and a valve plate a, a boss is arranged in one end of the sampling tube, the valve plate a is tightly attached to the boss, the framework a is fixedly arranged in the sampling tube, two ends of the spring a are respectively and fixedly connected with the valve plate a and the framework a,
one end of the telescopic tube is slidably sleeved on the sampling tube, a sealing ring is arranged between the telescopic tube and the sampling tube,
one end of the disposable blowpipe is closed, the other end is open, a through hole is arranged on the side wall close to the closed section of the disposable blowpipe, one end of the telescopic pipe far away from the sampling pipe is inserted and arranged in the through hole,
the positioning seat is fixedly arranged on the shell, a blind hole is formed in the positioning seat, and the sealing section of the disposable blowpipe is inserted into the blind hole;
still fixedly in the casing be provided with alcohol sensor and electric putter, the sampling pipe keep away from the one end of flexible pipe with alcohol sensor intercommunication, electric putter's extension rod tip with flexible pipe fixed connection, alcohol sensor with electric putter all with the controller electricity federation.
Further, the shell is also provided with an alarm indicator lamp and a switch, the switch is provided with three gears of rough checking, fine checking and shutdown, and the alarm indicator lamp and the switch are electrically connected with the controller.
Further, a position sensor is arranged between the boss and the valve plate a, and the position sensor is electrically connected with the controller.
Further, the sampling tube comprises a tube a, a tube b, a tube c and a right-angle tee, the right-angle tee comprises a straight main tube and a branch tube perpendicular to the straight main tube, the straight main tube is internally provided with the one-way air valve device a,
one end of the straight main pipe close to the valve plate a is fixedly connected with the pipe a, the inner diameter of the pipe a is smaller than that of the straight main pipe, the valve plate a is tightly attached to the pipe a, and the other end of the pipe a extends out of the shell;
one end of the straight main pipe close to the framework a is fixedly connected with one end of the pipe b, and the other end of the pipe b is communicated with the alcohol sensor;
the branch pipe is internally provided with a one-way air valve device b, the one-way air valve device b comprises a framework b, a spring b and a valve plate b, the framework b is fixedly arranged in the branch pipe, two ends of the spring b are respectively and fixedly connected with the valve plate b and the framework b, the end part of the branch pipe is fixedly connected with one end of a pipe c, the inner diameter of the pipe c is smaller than that of the branch pipe, the valve plate b is tightly attached to the pipe c,
the shell is also provided with a fan, the fan blade of the fan stretches into one end of the pipe c far away from the branch pipe, and the fan and the pipe c are arranged in a sealing mode.
The beneficial effects of the invention are as follows:
1. the infrared detection principle-based coarse inspection system and the infrared detection principle-based expiration type fine inspection system are arranged, only the suspected detected object is subjected to expiration type fine inspection according to the coarse inspection result, inspection time is saved, and law enforcement efficiency is improved.
2. The infrared detection can finish rough examination only by touching the arm, so that the mind rejection caused by sanitation anxiety of part of detected personnel is eliminated, and the detection is easier to cooperate.
3. The sampling tube is provided with a single valve device, so that the condition that the inspection time is prolonged and the efficiency is low due to false blowing or air suction of a tested person is avoided. Meanwhile, the opening force of the one-way valve is set, but all the one-way valve devices reach sampling conditions when being opened, so that the accurate result of each effective detection is ensured.
4. Set up electric putter and telescopic link, realize the quick replacement of disposable blowpipe, alleviate law enforcement personnel working strength, improve inspection efficiency.
5. The fan and the one-way air valve device are arranged, after one-time detection is finished, the fan can be started to clear residual wine in the instrument, and the accuracy of the next detection is ensured.
Drawings
FIG. 1 is a schematic diagram of an alcohol detector integrating rough inspection and fine inspection;
FIG. 2 is a cross-sectional view of a sampling device;
FIG. 3 is a cross-sectional view of a three-way sampling tube.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to the accompanying drawings, but the scope of the present invention is not limited to the following description.
As shown in FIG. 1, an alcohol detector integrating rough examination and fine examination comprises a shell 1, wherein a concave arc-shaped support 2 is arranged at one end of the shell 1, a plurality of infrared emitters 4 and a plurality of infrared reflection type sensors 3 are arranged in the support 2, a display screen 6 is arranged on the surface of the shell 1, a controller is arranged in the display screen, and the infrared reflection type sensors 3, the infrared emitters 4 and the display screen 6 are electrically connected with the controller. The shell 1 is also provided with an alarm indicator lamp 7 and a switch 8, the switch 8 is provided with three gears of rough checking, fine checking and shutdown, and the shell 1 and the switch 8 are electrically connected with the controller.
Since the alcohol content in the human body is closely related to the absorption of infrared radiation, when alcohol is contained in body tissues, more light is absorbed than normal. Based on the principle, whether the driver drinks the wine or not can be roughly checked by an infrared detection method, and the implementation mode is as follows: the arc-shaped support 2 is clamped on the arm of a detected driver, the switch 8 is arranged at a rough gear, the infrared transmitter 4 transmits infrared light beams to the position five millimeters below the skin, and the infrared reflection type sensor 3 receives infrared radiation signals reflected back and feeds the infrared radiation signals back to the controller. If the infrared reflection type sensor 3 detects that the reflected radiation signal is weakened, the light which is absorbed is more, the suspected alcohol in the body of the person to be detected is represented, and the controller controls the alarm indicator lamp 7 to be red; if the reflected radiation signal is not detected to be weakened, the person to be tested does not drink wine, and the alarm indicator lamp 7 is green.
The device is characterized in that a sampling device 5 is arranged at one end, far away from the bracket 2, of the shell 1, and an alcohol sensor is arranged in the shell 1 and is a semiconductor alcohol sensor. One end of the sampling device 5 is communicated with an alcohol sensor, and the alcohol sensor is electrically connected with the controller. Since alcohol in blood will freely diffuse to the lungs following henry's law, the alcohol concentration in blood is proportional to the gas alcohol concentration exhaled from the lungs, with a currently accepted ratio of 2100:1. Therefore, the alcohol concentration in the blood can be converted by detecting the alcohol concentration in the exhaled air. During specific implementation, after coarse detection, if the alarm indicator lamp 7 is red, the switch 8 is arranged at the fine detection gear, a person to be detected blows air into the sampling device 5, the alcohol sensor detects the blown air, the detection result is fed back to the controller, and the controller controls the display screen to display the converted detection result, so that fine detection is completed.
As shown in fig. 2, the sampling device 5 includes a sampling tube 50, a bellows 54, a disposable lance 56, a positioning seat 55, and a one-way gas valve device a.
The unidirectional air valve device a comprises a framework a51, a spring a52 and a valve plate a53, a boss is arranged in one end of the sampling tube 5, which is far away from the alcohol sensor, the valve plate a53 is tightly attached to the boss, the valve plate a53 is connected with the spring a52 towards the alcohol sensor, and the other end of the spring a52 is connected with the framework a51. The skeleton a51 is cross-shaped, each end point of the skeleton is fixedly connected with the inner wall of the sampling tube 5, and the center of the skeleton is fixedly connected with the spring a 52. The existing alcohol sensor needs to have a certain sampling amount to ensure the accuracy of a measurement result, and the processing of the alcohol sensor also needs a certain time. However, in the actual law enforcement, a part of detected drivers use a mode of inhaling or reducing the blowing amount when the detected drivers are required to blow in order to avoid punishment. If the blowing amount is small, the sampling data is insufficient, and the detection result is inaccurate; if the person to be detected inhales or does not blow, the sample cannot be completely sampled, but time is wasted in waiting for the processing of the alcohol sensor. Therefore, in the implementation, on the premise that the alcohol sensor can perform effective sampling, the opening pressure of the spring a52 is fixedly set, when the blowing air exceeds the opening pressure, the valve plate a53 is flushed by the air flow, the inside of the sampling tube 5 is communicated, and the air flow can flow into the alcohol sensor along the sampling tube 5 for sampling. Further, a position sensor is arranged between the boss and the valve plate a53, and the position sensor is electrically connected with the controller. When the valve plate a53 is opened, the position sensor senses a signal and feeds the signal back to the controller, and the controller controls the display screen 6 to display "normal operation". If the measured person does not blow, breathe in or blows the air volume little, the valve 53 is closed all the time, and the position sensor feeds back the signal to the controller, and the controller controls the display screen to display 'to be measured'.
One end of the telescopic tube 54 is slidably sleeved on the sampling tube 50, the other end of the telescopic tube extends out of the shell 1, and a sealing ring is arranged between the telescopic tube 54 and the sampling tube 50. An electric push rod is fixedly installed in the shell 1, the end part of the extending rod of the electric push rod is fixedly connected with the telescopic pipe 54, and the electric push rod is electrically connected with the controller. Extension tube 54, under the action of the motorized push rod, effects extension and retraction actions on the sample tube 50.
A positioning seat 55 is fixedly arranged on the shell 1 near the extending end of the telescopic tube 54, and a blind hole is formed in the positioning seat 55. The disposable blowpipe 56 is closed at one end and open at the other end, and a through hole is provided in the side wall near the closed section thereof. When the disposable blowpipe 56 is installed, the closed end of the disposable blowpipe 56 is manually inserted into the blind hole of the positioning seat 55, the disposable blowpipe 56 is rotated to enable the through hole on the disposable blowpipe to be opposite to the telescopic pipe 54, at the moment, the electric push rod is operated, the telescopic pipe 54 extends out and is inserted into the through hole, and the installation is completed; after the inspection is finished, the electric push rod is reversely operated, the telescopic tube 54 is retracted, the disposable blowpipe is blocked by the positioning seat 55 and the shell 1, the telescopic tube 54 is retracted and separated from the through hole, and at the moment, the disposable blowpipe 56 is completely disassembled. Further, the diameter of the blind hole of the positioning seat 55 is larger than that of the disposable blowpipe 56, and when the disposable blowpipe 56 is replaced, the disposable blowpipe 56 can be quickly shaken off into the recovery frame after the telescopic pipe 54 is retracted.
Preferably, as shown in fig. 3, the sampling tube 50 comprises a tube a101, a tube b102, a tube c103 and a right-angle tee 104, the right-angle tee 104 comprises a straight main tube and a branch tube perpendicular to the straight main tube, a one-way air valve device a is arranged in the straight main tube, one end of the straight main tube, which is close to a valve plate a53, is fixedly connected with the tube a101, the inner diameter of the tube a101 is smaller than that of the straight main tube, the valve plate a53 is tightly attached to the tube a101, and the other end of the tube a101 extends out of the shell 1; one end of the straight main pipe, which is close to the framework a51, is fixedly connected with one end of the pipe b102, and the other end of the pipe b102 is communicated with the alcohol sensor; be provided with one-way valve device b in the branch pipe, one-way valve device b is the same with one-way valve device a's structure, including skeleton b91, spring b92 and valve plate b93, skeleton b91 sets firmly in the branch pipe, the both ends of spring b92 respectively with valve plate b93 and skeleton b91 fixed connection, the tip and the one end fixed connection of pipe c103 of branch pipe, the internal diameter of pipe c103 is less than the branch pipe internal diameter, valve plate b93 hugs closely pipe c103 and sets up, still be provided with fan 9 on the casing 1, the flabellum of fan 9 stretches into in the one end that pipe c103 kept away from the branch pipe, fan 9 and the mutual sealed setting of pipe c 103.
When the first detection is completed, the valve plate a53 is reset under the action of the spring a52, the end part of the pipe a101 is pressed, the fan 9 is started at the moment, the valve plate b93 is blown to open under the action of wind force, the pipe c103 is communicated with the pipe b102, and the residual wine gas in the instrument can be removed under the action of the fan 9. After a period of time, the fan 9 stops running, and the valve plate b93 is pressed and closed towards the pipe c103 under the action of the spring b92, and waits for the next detection.
The foregoing is merely a preferred embodiment of the invention, and it is to be understood that the invention is not limited to the form disclosed herein but is not to be construed as excluding other embodiments, but is capable of numerous other combinations, modifications and environments and is capable of modifications within the scope of the inventive concept, either as taught or as a matter of routine skill or knowledge in the relevant art. And that modifications and variations which do not depart from the spirit and scope of the invention are intended to be within the scope of the appended claims.
Claims (3)
1. The utility model provides an alcohol detector of coarse inspection and fine inspection integration, its characterized in that includes casing (1), the one end of casing (1) is provided with concave convex support (2), be provided with a plurality of infrared emitter (4) and a plurality of infrared reflection type sensor (3) in support (2), the surface of casing (1) is provided with display screen (6), and its inside is provided with the controller, infrared reflection type sensor (3), infrared emitter (4), display screen (6) all with the controller electricity federation;
one end of the shell (1) far away from the bracket (2) is provided with a sampling device (5), the sampling device (5) comprises a sampling tube (50), a telescopic tube (54), a disposable blowpipe (56), a positioning seat (55) and a one-way air valve device a,
the unidirectional air valve device a comprises a framework a (51), a spring a (52) and a valve plate a (53), a boss is arranged in one end of the sampling tube (50), the valve plate a (53) is tightly attached to the boss, the framework a (51) is fixedly arranged in the sampling tube (50), two ends of the spring a (52) are fixedly connected with the valve plate a (53) and the framework a (51) respectively,
one end of the telescopic tube (54) is slidably sleeved on the sampling tube (50), a sealing ring is arranged between the telescopic tube (54) and the sampling tube (50),
one end of the disposable blowpipe (56) is closed, the other end of the disposable blowpipe is open, a through hole is formed in the side wall close to the closed section of the disposable blowpipe, one end, far away from the sampling pipe (50), of the telescopic pipe (54) is inserted into the through hole, the positioning seat (55) is fixedly arranged on the shell (1), a blind hole is formed in the positioning seat (55), and the closed section of the disposable blowpipe (56) is inserted into the blind hole;
an alcohol sensor and an electric push rod are fixedly arranged in the shell (1), one end, far away from the telescopic pipe (54), of the sampling pipe (50) is communicated with the alcohol sensor, the end part of the extending rod of the electric push rod is fixedly connected with the telescopic pipe (54), and the alcohol sensor and the electric push rod are electrically connected with the controller;
the sampling tube (50) is a three-way sampling tube and comprises a tube a (101), a tube b (102), a tube c (103) and a right-angle tee joint (104), wherein the right-angle tee joint (104) comprises a straight main tube and a branch tube perpendicular to the straight main tube, the straight main tube is internally provided with the one-way air valve device a, one end, close to the valve plate a (53), of the straight main tube is fixedly connected with the tube a (101), the inner diameter of the tube a (101) is smaller than that of the straight main tube, the valve plate a (53) is tightly attached to the tube a (101), and the other end of the tube a (101) extends out of the shell (1);
one end of the straight main pipe close to the framework a (51) is fixedly connected with one end of the pipe b (102), and the other end of the pipe b (102) is communicated with the alcohol sensor;
be provided with one-way air valve device b in the branch pipe, one-way air valve device b includes skeleton b (91), spring b (92) and valve plate b (93), skeleton b (91) set firmly in the branch pipe, the both ends of spring b (92) respectively with valve plate b (93) with skeleton b (91) fixed connection, the tip of branch pipe with the one end fixed connection of pipe c (103), the internal diameter of pipe c (103) is less than the branch pipe internal diameter, valve plate b (93) are hugged closely pipe c (103) and are set up, still be provided with fan (9) on casing (1), the flabellum of fan (9) stretches into in the one end of pipe c (103) is kept away from in the branch pipe, fan (9) with pipe c (103) seals each other and sets up.
2. The alcohol detector integrating rough inspection and fine inspection according to claim 1, wherein an alarm indicator lamp (7) and a switch (8) are further arranged on the shell (1), the switch (8) is provided with three gears of rough inspection, fine inspection and shutdown, and the alarm indicator lamp (7) and the switch (8) are electrically connected with the controller.
3. The alcohol detector integrated with rough and fine inspection according to claim 1, wherein a position sensor is arranged between the boss and the valve plate a (53), and the position sensor is electrically connected with the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810822099.1A CN109030399B (en) | 2018-07-24 | 2018-07-24 | Alcohol detector integrating rough examination and fine examination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810822099.1A CN109030399B (en) | 2018-07-24 | 2018-07-24 | Alcohol detector integrating rough examination and fine examination |
Publications (2)
| Publication Number | Publication Date |
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| CN109030399A CN109030399A (en) | 2018-12-18 |
| CN109030399B true CN109030399B (en) | 2023-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810822099.1A Active CN109030399B (en) | 2018-07-24 | 2018-07-24 | Alcohol detector integrating rough examination and fine examination |
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| CN (1) | CN109030399B (en) |
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| CN113281385B (en) * | 2021-05-24 | 2022-02-18 | 无锡职业技术学院 | Portable air blowing type alcohol concentration measuring device and measuring method |
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| JP4788671B2 (en) * | 2007-06-25 | 2011-10-05 | パナソニック株式会社 | Alcohol detection device |
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| CN109030399A (en) | 2018-12-18 |
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