CN110967337A - Drug detection device based on sewer component detection - Google Patents
Drug detection device based on sewer component detection Download PDFInfo
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- CN110967337A CN110967337A CN201911215933.1A CN201911215933A CN110967337A CN 110967337 A CN110967337 A CN 110967337A CN 201911215933 A CN201911215933 A CN 201911215933A CN 110967337 A CN110967337 A CN 110967337A
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- 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
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N2001/1031—Sampling from special places
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- 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
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N2021/7756—Sensor type
- G01N2021/7759—Dipstick; Test strip
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Abstract
The invention discloses a drug detection device based on sewer component detection, which comprises a test box, a liquid collection device and a test device, wherein the liquid collection device and the test device are arranged in the test box, and the liquid collection device is positioned on the outer wall of the test box. When the liquid sampling device is installed, a through hole is formed in the wall of the sewer pipe, and the liquid sampling device extends into the sewer along the through hole to collect a liquid sample. The sample outlet of the liquid collecting device is communicated with the liquid collecting device, so that the liquid sample collected by the liquid collecting device can flow into the liquid collecting device along the sample outlet. When the liquid sample volume that the collection liquid device was collected reached the detection demand, in the test device can stretch into collection liquid device along the test port on the collection liquid device with the test paper strip that has been used for the narcotic drug urine examination, the test paper strip reacted with the liquid sample, if contain specific targeting composition in the liquid sample, the colour of test paper strip can change, consequently, test device can confirm whether someone inhales the poison in the place through the colour change of discernment test paper strip.
Description
Technical Field
The invention relates to the field of flowing material testing, in particular to a drug detection device based on sewer component detection.
Background
At present, the public security department mainly controls the drug addicts by locking the criminal suspect, and the urine of the drug addicts contains specific target components, so the criminal suspect can be controlled and then checked and judged by using test paper in a urine detection mode to confirm criminal behaviors.
In the specific implementation process of the control mode, the difficulty of locking the criminal suspect is high, and if the criminal suspect is not infected at that time, the criminal behavior cannot be determined through urine examination. Therefore, the work difficulty of the public security part on the control of the drug-absorbing personnel is very large, and the control strength is insufficient.
Disclosure of Invention
In order to solve the technical problems, the invention provides a drug detection device based on sewer component detection, wherein the drug detection device is installed in a place where drug addicts often appear and disappear, and the drug detection device is used for testing whether components in a sewer of the place comprise specially-targeted components or not so as to determine whether criminal behaviors occur in the place.
The technical scheme is as follows:
in a first implementation, a drug detection device based on sewer component detection, comprising:
a test box;
the liquid collecting device is positioned outside the test box and extends into a sewer to collect a liquid sample, and a sample outlet of the liquid collecting device is communicated with the liquid collecting device;
the liquid collecting device is arranged in the test box and used for collecting liquid samples collected by the liquid collecting device, and the liquid collecting device is provided with a test port;
and the test device is arranged in the test box and is positioned above the test port, and the test strip of the test device extends into the liquid collecting device along the test port to test a sample.
In combination with the first implementation manner, in the second implementation manner, the liquid collecting device is provided with a flow guide groove and a flow guide pipe, one end of the flow guide pipe is communicated with the flow guide groove, and the other end of the flow guide pipe extends into the test box and is communicated with the liquid collecting device.
In combination with the second implementation manner, in a third implementation manner, the bottom of the diversion trench is provided with a plurality of overflowing holes.
With reference to the second implementation manner, in a fourth implementation manner, the liquid collecting device includes a liquid collecting tube horizontally disposed, one end of the liquid collecting tube is communicated with the flow guiding tube, the other end of the liquid collecting tube is sealed, and the test port is disposed on a side wall of the liquid collecting tube and close to a sealed end of the liquid collecting tube.
With reference to the fourth implementable manner, in the fifth implementable manner, the liquid collecting device further comprises a liquid discharge pipe, one end of the liquid discharge pipe is communicated with the liquid collection pipe, and the other end of the liquid discharge pipe is communicated with a sewer connector through an electromagnetic valve.
With reference to the fifth implementable manner, in a sixth implementable manner, a liquid level sensor is arranged in the liquid collecting pipe, and the liquid level sensor is used for detecting the storage amount of the liquid sample in the liquid collecting pipe.
Combine first kind of realizable mode, in seventh kind of realizable mode, testing arrangement includes mounting panel, chemical examination mechanism, actuating mechanism and result confirmation unit, and this chemical examination mechanism and result confirmation unit all set up on the mounting panel, the mounting panel is connected with actuating mechanism, actuating mechanism drive mounting panel reciprocates, in order to drive the test paper strip of chemical examination mechanism stretches into album liquid device along the test socket, the camera of result confirmation unit is just right the test paper strip sets up, in order to gather the image of test paper strip carries out image recognition, confirms drug test result.
With the seventh implementation manner, in the eighth implementation manner, the assay mechanism includes a test paper roll and a paper feeding mechanism, the paper feeding mechanism includes 2 rotating rollers, one end of the test paper roll is wound on one rotating roller, the other end of the test paper roll is connected with the other rotating roller, a paper feeding path of the test paper roll is located above the test port, and a plurality of test paper strips are arranged at the lower end of the test paper roll.
With reference to the eighth implementable manner, in a ninth implementable manner, the assay mechanism further includes a positioning contact, a positioning notch matched with the positioning contact is formed in the lower end of the test paper roll, and the positioning notch is located between 2 adjacent test paper strips.
With reference to the seventh implementation manner, in a tenth implementation manner, the driving mechanism includes a rotating motor, a flange plate, a fisheye bearing and a linear limiting mechanism, a rotating shaft of the rotating motor is connected with one end of the fisheye bearing through the flange plate, and the other end of the fisheye bearing is fixed to the mounting plate.
Has the advantages that: the drug detection device based on sewer component detection can be used for carrying out long-time real-time directional monitoring on places where drug addicts often appear and disappear, and actively screening whether the drug addicts appear and disappear. The control force of the public security department on the drug addicts is enhanced, and the working difficulty of the police officers can be greatly reduced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic diagram of the structure within test chamber 100;
FIG. 4 is a schematic diagram of the connection of the fluid collection device 200, the fluid collection device 300 and the testing device 400;
FIG. 5 is a schematic structural view of the liquid collecting device 200 and the liquid collecting device 300;
FIG. 6 is a schematic diagram of a testing apparatus 400;
FIG. 7 is a top view of FIG. 6;
FIG. 8 is a schematic structural diagram of the driving mechanism 403 and the limiting mechanism;
fig. 9 is a view showing a positioning structure of the test strip roll 407.
Detailed Description
The invention is further illustrated by the following examples and figures.
As shown in fig. 1 and 2, the drug detection device based on the component detection of the sewer S includes a test box 100, a fluid collection device 200, a fluid collection device 300, and a test device 400, wherein the test box 100 is provided with a fixing bracket 101, and when the drug detection device is installed in the sewer S of a place where drug addicts often exist, the entire test box 100 can be fixedly installed on the outer wall of the vertical portion of the sewer S through the fixing bracket 101.
In order to protect the liquid collecting device 300 and the testing device 400 due to the complex environment of the sewer S, the liquid collecting device 300 and the testing device 400 are installed in the testing box 100, and the liquid collecting device 200 is located on the outer wall of the testing box 100. When the liquid sampling device 200 is installed, a through hole is formed in the wall of the sewer S, and the liquid sampling device 200 extends into the sewer S along the through hole to sample liquid. The sample outlet of the liquid collecting device 200 is communicated with the liquid collecting device 300, so that the liquid sample collected by the liquid collecting device 200 can flow into the liquid collecting device 300 along the sample outlet.
When the amount of the liquid sample collected by the liquid collecting device 300 meets the detection requirement, the testing device 400 can extend the existing test strip 406 for urine test of the drug into the liquid collecting device 300 along the testing port 302 on the liquid collecting device 300, the test strip 406 reacts with the liquid sample, and if the liquid sample contains a specific targeting component, the color of the test strip 406 changes, so that the testing device 400 can determine whether a person in a site inhales the drug by identifying the color change of the test strip 406.
In this embodiment, as shown in fig. 3 and 4, the liquid collecting device 200 preferably includes a diversion trench 201 and a diversion pipe 202, one end of the diversion pipe 202 is communicated with the diversion trench 201, and the other end thereof extends into the test box 100 and is communicated with the liquid collecting device 300. The guiding gutter 201 extends into the sewer S and the direction of the groove opening is the direction of drainage of the sewer S. When liquid flows through the sewer S, the guide groove 201 can introduce part of the liquid into the guide pipe 202. To facilitate the introduction of liquid into the draft tube 202, the draft tube 201 may be slightly inclined upward. The introduced liquid can flow into the liquid collecting device 300 along the flow guide tube 202, so as to achieve the purpose of collecting the sample liquid.
In this embodiment, as shown in fig. 5, it is preferable that a plurality of overflowing holes 203 are formed on the bottom of the guide groove 201. When liquid flows through, part of the liquid can flow through the diversion trench 201 along the overflowing hole 203, and excessive liquid samples are prevented from being collected for 1 time.
In this embodiment, preferably, as shown in fig. 5, the liquid collecting device 300 includes a horizontally disposed liquid collecting pipe 301, one end of the liquid collecting pipe 301 is communicated with the flow guiding pipe 202, the other end is sealed, and the test port 302 is disposed on a side wall of the liquid collecting pipe 301 at a position close to the sealed end of the liquid collecting pipe 301.
The liquid collecting tube 301 can collect the liquid sample discharged from the flow guiding tube 202, and the testing device 400 can periodically or quantitatively extend the test strip 406 into the liquid collecting tube 301 along the testing port 302, so that the test strip 406 reacts with the sample liquid.
In this embodiment, as shown in fig. 5, the liquid collecting device 300 preferably further includes a drain pipe 303, one end of the drain pipe 303 is connected to the liquid collecting pipe 301, and the other end is connected to a drain connector 305 via an electromagnetic valve 304. When installed, the sewer connector 305 may be in communication with the sewer S. The solenoid valve 304 is configured to open when receiving a prompt signal sent by the testing device 400 after the testing is completed, so that the liquid sample in the liquid collecting pipe 301 can be discharged back to the sewer S along the liquid discharge pipe 303 after the solenoid valve 304 is opened, so that the liquid sample can be collected again in the liquid collecting pipe 301.
In this embodiment, it is preferable that a liquid level sensor is disposed in the liquid collecting pipe 301, and the liquid level sensor is used for detecting the storage amount of the liquid sample in the liquid collecting pipe 301. The liquid level sensor can detect the liquid sample volume in the liquid collecting pipe 301, the liquid level sensor can send the detected liquid sample volume to the testing device 400, and the testing device 400 can judge whether to start testing according to the received liquid sample volume, so that the liquid collecting device 300 can be ensured to collect enough liquid samples for the testing device 400 to test.
In the present embodiment, preferably, as shown in fig. 6, the test device 400 includes a mounting bracket 418, a mounting plate 401, an assay mechanism 402, a driving mechanism 403, a battery 404, and a result confirmation unit. The driving mechanism 403 is fixedly installed in the test box 100 through the installation bracket 418, and the installation plate 401 is suspended above the liquid collecting pipe 301 and connected with the driving shaft of the driving mechanism 403. An assay mechanism 402, a battery 404, and a result confirmation unit are all provided on mounting plate 401, with battery 404 powering drive mechanism 403, result confirmation unit, and assay mechanism 402.
In this embodiment, preferably, as shown in fig. 7, the assay mechanism 402 includes a test paper roll 407 and a paper feeding mechanism, the paper feeding mechanism includes 2 rotating rollers, wherein 1 rotating roller is a driving roller 408, the other rotating roller is a driven roller 409, and the 2 rotating rollers are disposed on the left and right sides of the liquid collecting tube 301.
The test paper roll 407 is wound on the driven roller 409, one end of the test paper roll 407 on the outer surface extends to the driving roller 408 to be clamped with the driving roller 408, all the test paper strips 406 are uniformly distributed at the lower end of the test paper roll 407, and the moving path of the test paper strips 406 passes through the right upper part of the test opening 302.
After the test is completed, the active roller 408 is rotated to receive the test strip 406 from the active roller 408, and the new test strip 406 is moved over the test port 302 for the next test.
In this embodiment, preferably, as shown in fig. 9, the testing mechanism 402 further includes a positioning contact 410, a positioning notch 411 is provided at a lower end of the test paper roll 407 to mate with the positioning contact 410, and the positioning notch 411 is located between 2 adjacent test paper strips 406.
The positioning contact 410 is used for positioning the test paper strip 406, and may be a laser distance measuring sensor, the laser distance measuring sensor is opposite to the test paper roll 407, and in the paper feeding process of the paper feeding mechanism, when the positioning notch 411 moves to the position of the laser distance measuring sensor, the distance measuring data of the laser distance measuring sensor changes, so that the positioning notch 411 can be determined.
Because the position between the positioning notch 411 and the test strip 406 is constant, and the position between the positioning contact 410 and the test slot 302 is constant, all paper feeding mechanisms can determine whether to send a new test strip 406 to the position right above the test slot 302 according to the variation of the ranging data of the positioning contact 410 for the next test.
The control module of the driving mechanism 403 is in signal connection with the liquid level sensor to obtain the liquid sample volume data sent by the liquid level sensor. The control module has a sample amount threshold stored in its memory, and when the liquid sample amount reaches the threshold, the control module controls the driving mechanism 403 to drive the mounting plate 401 to move downward, so as to extend the test strip 406 of the assay mechanism 402 into the liquid collecting tube 301, so that the test strip 406 reacts with the liquid sample in the liquid collecting tube 301, and then the driving mechanism 403 drives the mounting plate 401 to move upward, so as to draw the test strip 406 out of the liquid collecting tube 301, so that the result confirmation unit confirms the test result.
The result confirmation unit may be an image recognizer, and a camera 405 of the image recognizer faces the test strip 406 to collect an image of the reacted test strip 406 and send the image to an identification module of the image recognizer, where the identification module performs color recognition on the image by using an existing image recognition method to determine a drug detection result. The identification module can send the identification result to a remote monitoring terminal through the communication module so as to facilitate real-time monitoring by a public security department.
In this embodiment, preferably, as shown in fig. 8, the driving mechanism 403 includes a rotating motor 412, a flange 413 and a fisheye bearing 414, the rotating motor 412 is fixedly mounted on the test box 100 through a mounting bracket 418, and a rotating shaft of the rotating motor 412 is connected to one end of the fisheye bearing 414 through the flange 413, and the other end of the fisheye bearing 414 is fixed to the mounting plate 401.
When the liquid sample volume reaches the threshold value, the control module controls the rotation motor 412 to rotate, so that the flange 413 is driven to rotate, and the flange 413 can drive the fisheye bearing 414 to rotate downwards, so that the whole mounting plate 401 moves downwards. The testing mechanism 402 moves down with the mounting plate 401 to extend the test strip 406 from the paper roll along the test port 302 into the liquid collection tube 301 for reaction. The rotary motor 412 continues to rotate, and the flange 413 can drive the fisheye bearing 414 to rotate upwards, so that the test strip 406 is taken out from the test port 302, and the result confirmation unit collects an image of the reacted test strip 406 to determine the drug detection result.
In order to move the mounting plate 401 up and down in a straight line, as shown in fig. 8, a limiting mechanism is provided at one side of the mounting plate 401, and the limiting mechanism includes upper and lower 2 limiting seats 415, a limiting shaft 416 and a linear bearing 417, wherein the 2 fixed-stage limiting seats 415 are oppositely disposed, vertically fixed in the test box 100 by a mounting bracket 418, and are also parallel to the mounting plate 401. The limit shaft 416 is fixed between 2 limit seats 415, and the linear bearing 417 is sleeved on the limit shaft 416 and fixed with the mounting plate 401.
Finally, it should be noted that the above-mentioned description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and scope of the present invention.
Claims (10)
1. The utility model provides a drugs detection device based on sewer composition detects which characterized in that includes:
a test box;
the liquid collecting device is positioned outside the test box and extends into a sewer to collect a liquid sample, and a sample outlet of the liquid collecting device is communicated with the liquid collecting device;
the liquid collecting device is arranged in the test box and used for collecting liquid samples collected by the liquid collecting device, and the liquid collecting device is provided with a test port;
and the test device is arranged in the test box and is positioned above the test port, and the test strip of the test device extends into the liquid collecting device along the test port to test a sample.
2. The drug detecting device based on sewer component detection according to claim 1, wherein: the liquid collecting device is provided with a flow guide groove and a flow guide pipe, one end of the flow guide pipe is communicated with the flow guide groove, and the other end of the flow guide pipe extends into the test box and is communicated with the liquid collecting device.
3. The drug detecting device based on sewer component detection according to claim 2, wherein: and a plurality of overflowing holes are formed in the bottom of the guide groove.
4. The drug detecting device based on sewer component detection according to claim 2, wherein: the liquid collecting device comprises a liquid collecting pipe which is horizontally arranged, one end of the liquid collecting pipe is communicated with the flow guide pipe, the other end of the liquid collecting pipe is sealed, and the test port is formed in the side wall of the liquid collecting pipe and is close to the position of the sealed end of the liquid collecting pipe.
5. The drug detecting device based on sewer component detection according to claim 4, wherein: the liquid collecting device further comprises a liquid discharge pipe, one end of the liquid discharge pipe is communicated with the liquid collecting pipe, and the other end of the liquid discharge pipe is communicated with a sewer connector through an electromagnetic valve.
6. The drug detecting device based on sewer component detection as claimed in claim 5, wherein: and a liquid level sensor is arranged in the liquid collecting pipe and is used for detecting the storage amount of the liquid sample in the liquid collecting pipe.
7. The drug detecting device based on sewer component detection according to claim 1, wherein: testing arrangement includes mounting panel, chemical examination mechanism, actuating mechanism and result affirmation unit, and this chemical examination mechanism and result affirmation unit all set up on the mounting panel, the mounting panel is connected with actuating mechanism, actuating mechanism drive mounting panel reciprocates, in order to drive the test paper strip of chemical examination mechanism stretches into liquid collecting device along the test port in, the camera of result affirmation unit is just right the test paper strip sets up, in order to gather image recognition is carried out to the image of test paper strip, confirms drug testing result.
8. The drug detecting device based on sewer component detection according to claim 7, wherein: the laboratory survey mechanism includes examination paper roll and paper feed mechanism, and this paper feed mechanism includes 2 rotation rollers, the one end package of examination paper roll is on one rotates the roller, and the other end rotates the roller with another and is connected, the paper feed route of examination paper roll is located the test port top, the lower extreme of examination paper roll is provided with many test paper strips.
9. The drug detecting device based on sewer component detection according to claim 8, wherein: the chemical examination mechanism still includes the location contact, the lower extreme of test paper roll is provided with and fixes a position contact matched with location breach, and this location breach is located adjacent 2 between the test paper strip.
10. The drug detecting device based on sewer component detection according to claim 7, wherein: the driving mechanism comprises a rotating motor, a flange plate, a fisheye bearing and a linear limiting mechanism, a rotating shaft of the rotating motor is connected with one end of the fisheye bearing through the flange plate, and the other end of the fisheye bearing is fixed with the mounting plate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911215933.1A CN110967337A (en) | 2019-12-02 | 2019-12-02 | Drug detection device based on sewer component detection |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911215933.1A CN110967337A (en) | 2019-12-02 | 2019-12-02 | Drug detection device based on sewer component detection |
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| CN110967337A true CN110967337A (en) | 2020-04-07 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111443051A (en) * | 2020-04-08 | 2020-07-24 | 精诚工坊电子集成技术（北京）有限公司 | Skin grease detection device |
| CN113155550A (en) * | 2020-09-27 | 2021-07-23 | 深圳优地科技有限公司 | Urine detection method, device and equipment |
| CN114354584A (en) * | 2021-10-27 | 2022-04-15 | 何威 | Device and method for detecting drug residues |
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