CN112098385A - Fluorescence sensor detection module, device and system thereof - Google Patents
Fluorescence sensor detection module, device and system thereof Download PDFInfo
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- CN112098385A CN112098385A CN202011048820.XA CN202011048820A CN112098385A CN 112098385 A CN112098385 A CN 112098385A CN 202011048820 A CN202011048820 A CN 202011048820A CN 112098385 A CN112098385 A CN 112098385A
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- 238000001514 detection method Methods 0.000 title claims abstract description 88
- 238000012423 maintenance Methods 0.000 claims abstract description 15
- 238000005070 sampling Methods 0.000 claims description 11
- 238000004804 winding Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 8
- 238000010791 quenching Methods 0.000 description 8
- 230000000171 quenching effect Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 239000010409 thin film Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 4
- 239000003814 drug Substances 0.000 description 3
- 229940079593 drug Drugs 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000002360 explosive Substances 0.000 description 3
- 239000010408 film Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000003795 desorption Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001917 fluorescence detection Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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- G—PHYSICS
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- 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
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/64—Fluorescence; Phosphorescence
- G01N21/6428—Measuring fluorescence of fluorescent products of reactions or of fluorochrome labelled reactive substances, e.g. measuring quenching effects, using measuring "optrodes"
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/02—Details
- G01J3/0202—Mechanical elements; Supports for optical elements
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/02—Details
- G01J3/0291—Housings; Spectrometer accessories; Spatial arrangement of elements, e.g. folded path arrangements
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/28—Investigating the spectrum
- G01J3/44—Raman spectrometry; Scattering spectrometry ; Fluorescence spectrometry
- G01J3/4406—Fluorescence spectrometry
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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
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/64—Fluorescence; Phosphorescence
- G01N21/6428—Measuring fluorescence of fluorescent products of reactions or of fluorochrome labelled reactive substances, e.g. measuring quenching effects, using measuring "optrodes"
- G01N2021/6432—Quenching
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Abstract
The application discloses fluorescence sensor detects module, device and system thereof, fluorescence sensor detects the module and includes: the fluorescent sensor comprises a first support, a paper tape arranged on the first support and a fluorescent sensor rotationally connected to the first support, wherein the paper tape is used for collecting samples, the fluorescent sensor has an operating mode and a maintenance mode and comprises a sensor air inlet, the sensor air inlet of the fluorescent sensor is in contact with the paper tape in the operating mode so that the samples collected by the paper tape can enter the fluorescent sensor for detection, and the fluorescent sensor is switched to the maintenance mode when the fluorescent sensor is rotated relative to the first support so that the sensor air inlet is far away from the paper tape, so that the fluorescent sensor is convenient to maintain.
Description
Technical Field
The application belongs to the technical field of fluorescence detection, and particularly relates to a fluorescence sensor detection module, a fluorescence sensor detection device and a fluorescence sensor detection system.
Background
The fluorescence quenching technique is a technique for detecting a specific substance by utilizing the property that a fluorescent substance coated on a glass substrate has fluorescence quenching to the specific substance. The fluorescence quenching technology has high sensitivity, good selectivity and quick response, and can be used for trace detection of explosives/drugs. After the fluorescence quenching device is used for a period of time, the device needs to be overhauled, particularly the sensitive thin film device needs to be replaced, but the current fluorescence quenching device is inconvenient to replace the sensitive thin film device.
Disclosure of Invention
In view of this, the present application provides a fluorescence sensor detection module and a fluorescence sensor detection device to solve the problem that the conventional fluorescence quenching device is inconvenient to replace a sensitive thin film device.
To achieve the above object, one aspect of the present application provides a fluorescence sensor detection module, including:
a first bracket;
the paper tape is arranged on the first support and used for collecting a sample;
a fluorescence sensor rotatably coupled to the first support, the fluorescence sensor including a sensor inlet and having an operational mode and a maintenance mode, wherein in the operational mode, the sensor inlet of the fluorescence sensor contacts the paper strip to facilitate a sample collected by the paper strip to enter the fluorescence sensor for detection, wherein the fluorescence sensor switches to the maintenance mode when the fluorescence sensor is rotated relative to the first support such that the sensor inlet of the fluorescence sensor is spaced away from the paper strip.
Optionally, the fluorescence sensor includes sensor base and install respectively in sensor body, fixed part and rotation portion and connecting portion on the sensor base, the sensor body includes the sensor air inlet, the fixed part passes through connecting portion connect in rotation portion, the fixed part with rotation portion all run through in first support, set up on the first support with rotation portion sliding connection's first spout, wherein rotation portion with the fixed part is the center of rotation edge first spout slides and switches fluorescence sensor's mode of operation and maintenance mode.
Optionally, a driving position adjusting assembly and a driving assembly for driving the paper tape to rotate are mounted on the first support, and the driving position adjusting assembly is connected with the driving assembly in a sliding manner.
Optionally, the driving assembly comprises a motor wheel and a stepping motor which is mounted on the first support and connected with the motor wheel, and the outer side of the motor wheel is used for winding the paper tape;
the driving position adjusting assembly comprises a screw and a first guide rail which is installed on the first support and is in sliding connection with the motor wheel, and the screw is in threaded connection with the motor wheel and is used for driving the motor wheel to slide along the first guide rail so as to cover the length error of the paper tape.
Optionally, the driving position adjusting assembly further includes an elastic member, one end of the elastic member is fixedly disposed on the first support, and the other end of the elastic member is connected to the motor wheel.
Optionally, the fluorescence sensor detection device further comprises a diffuse reflection switch, a control unit and a detection unit, wherein the control unit is electrically connected with the diffuse reflection switch and the detection unit;
the diffuse reflection switch is used for detecting the position information of a sample and outputting a level signal when the position information of the sample is detected;
the detection unit is used for detecting the concentration information of the sample and transmitting the concentration information of the sample to the control unit;
the control unit is used for triggering the driving assembly to drive the motor wheel to rotate and drive the sampling point of the paper tape to rotate to the air inlet of the sensor when the diffuse reflection switch is detected to output the level signal, and the control unit is used for processing concentration information of a sample.
In another aspect, the present application provides a fluorescence sensor detection device, including: the second bracket comprises a shell, a sliding plate, a second guide rail and a first pulley component, wherein the sliding plate, the second guide rail and the first pulley component are arranged in the shell, the first pulley component is used for transmitting a sample, the sliding plate and the second guide rail are connected in a sliding mode and can slide along the direction perpendicular to the moving direction of the sample, and the plurality of fluorescence sensor detection modules are arranged on the sliding plate at intervals.
Optionally, the second bracket further comprises a plurality of adjustable legs connected to the housing for height adjustment; and/or
The second bracket further includes a second pulley assembly coupled to the sliding plate.
Optionally, the fluorescence sensor detection device further comprises a main control unit and a display unit for displaying information of the sample, each fluorescence sensor detection device comprises a control unit, each control unit is in conductive connection with the main control unit, and the main control unit is in conductive connection with the display unit.
In another aspect, the present application provides a fluorescence sensor detection system to solve the problem of poor automation degree of the existing fluorescence quenching technology; the fluorescence sensor detection system comprises the fluorescence sensor detection device and conveyor belts respectively arranged on two sides of the fluorescence sensor detection device.
Compared with the prior art, the method has the following beneficial effects:
this application embodiment fluorescence sensor detects module is through rotating fluorescence sensor and connecting on first support, the position of rotatable adjustment sensor air inlet, and the maintenance operation of the fluorescence sensor of being convenient for, especially the change of components and parts such as the sensitive thin film device of sensor air inlet department.
The embodiment of the application fluorescence sensor detecting system is connected fluorescence sensor detection device with the conveyer belt, and multiunit fluorescence sensor detects the module and can carry out automatic sampling test fast to the parcel goods on the conveyer belt.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a fluorescence sensor detection module according to an embodiment of the present disclosure;
FIG. 2 is another schematic structural view of FIG. 1;
FIG. 3 is a second schematic structural diagram of a fluorescence sensor detection module according to an embodiment of the present disclosure;
FIG. 4 is another schematic structural view of FIG. 3;
FIG. 5 is a schematic structural diagram of a fluorescence sensor detection device according to an embodiment of the present disclosure;
FIG. 6 is a second schematic structural diagram of a fluorescence sensor detection device according to an embodiment of the present disclosure;
FIG. 7 is a third schematic structural diagram of a fluorescence sensor detection device according to an embodiment of the present disclosure;
FIG. 8 is a schematic structural diagram of a fluorescence sensor detection system according to an embodiment of the present disclosure;
fig. 9 is a third schematic structural diagram of a fluorescence sensor detection module according to an embodiment of the present disclosure;
FIG. 10 is a fourth schematic structural view of a fluorescence sensor detection device according to an embodiment of the present application;
wherein, each reference mark in the figure is:
100-a fluorescence sensor detection module; 1-a first scaffold; 11-a first runner; 200-a fluorescent sensor detection device; 20-a sensor body; 21-sensor air inlet; 22-a sensor base; 23-a stationary part; 24-a turning part; 25-a connecting part; 26-diffuse reflectance switch; 27-a control unit; 28-a detection unit; 29-a wiping wheel; 291-sample point; 3-paper tape; 4-driving the position adjustment assembly; 41-screw rod; 42-a first guide rail; 43-an elastic member; 5-a drive assembly; 51-motor wheel; 52-a stepper motor; 6-a second bracket; 61-a housing; 62-a slide plate; 63-a second guide rail; 64-a first sheave assembly; 65-adjustable support legs; 66-a second sheave assembly; 7-a main control unit; 8-a display unit; 9-a first conveyor belt; 10-second conveyor belt.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application and should not be construed as limiting the present application.
Referring to fig. 1 to 4 together, in one aspect, an embodiment of the present application provides a fluorescence sensor detecting module 100, including:
a first support 1;
the paper tape 3 is arranged on the first support 1, and the paper tape 3 is used for collecting samples;
the fluorescent sensor is rotationally connected with the first support 1, has a working mode and a maintenance mode, and comprises a sensor air inlet 21, wherein in the working mode, the sensor air inlet 21 of the fluorescent sensor is in contact with the paper tape 3 so as to facilitate the sample collected by the paper tape 3 to enter the fluorescent sensor for detection, and when the fluorescent sensor is rotated relative to the first support 1 to enable the sensor air inlet 21 of the fluorescent sensor to be far away from the paper tape, the fluorescent sensor is switched to the maintenance mode so as to facilitate the replacement and maintenance of components such as a sensitive film device and the like at the sensor air inlet 21 of the fluorescent sensor.
The sample detected by the fluorescence sensor can be explosives or drugs.
It will be appreciated that when the fluorescence sensor is in operation, the sensor air inlet 21 may be aligned with the paper strip 3; when the fluorescent sensor needs to be maintained, the fluorescent sensor can be rotated, and the sensor air inlet 21 of the fluorescent sensor is rotated to the position deviated from the paper tape 3, so that a sensitive film device and the like at the position of the sensor air inlet 21 can be conveniently replaced.
This application embodiment is through rotating fluorescence sensor and connecting on first support 1, and the position of rotatable adjustment sensor air inlet 21 is convenient for fluorescence sensor's maintenance operation, especially the change of components and parts such as the sensitive thin film device of sensor air inlet 21 department.
Referring to fig. 2 and 4, as an example, the specific structure of the fluorescence sensor is as follows:
the fluorescence sensor can include sensor base 22 and install respectively in sensor body 20, fixed part 23 and rotation portion 24 and connecting portion 25 on sensor base 22, sensor body 20 can include sensor air inlet 21, fixed part 23 with rotation portion 24 runs through respectively first support 1 and passes through connecting portion 25 connects, first support 1 is last seted up with rotation portion 24 sliding connection's first spout 11, and in rotation portion 24 with fixed part 23 is the center of rotation along when first spout 11 slides, sensor air inlet 21 is close to or keeps away from paper tape 3. As an embodiment, the rotating portion 24 and the fixing portion 23 can be set as rotating shafts, and the connecting portion 25 can be set as a spring, referring to fig. 2, when the rotating portion 24 rotates to the bottom of the first chute 11, the sensor air inlet 21 is aligned with the paper tape 3, which is the operating mode of the fluorescence sensor; referring to fig. 4, when the rotating portion 24 rotates to the top of the first chute 11, the sensor air inlet 21 is far away from the paper tape 3, which is a maintenance mode of the fluorescent sensor, so as to facilitate replacement of the sensitive film device.
Wherein, fluorescence sensor detection module 100 includes wiping wheel 29 and drive assembly 5, and paper tape 3 twines in wiping wheel 29 and the outside of drive assembly 5, and sampling point 291 is located the top of wiping wheel 29.
Referring to fig. 2, in order to adjust the tightness of the paper tape 3, a driving position adjusting assembly 4 and a driving assembly 5 for driving the paper tape 3 to rotate may be further installed on the first support 1, and the driving position adjusting assembly 4 is slidably connected to the driving assembly 5. The paper tape 3 is wound outside the driving assembly 5, the paper tape 3 is wound too tightly or too loosely possibly due to the fact that the length of the paper tape 3 is not proper, the position of the driving assembly 5 can be adjusted through the driving position adjusting assembly 4, the driving assembly 5 adjusts the position of the driving assembly 5 in a sliding mode, and then the tightness of the paper tape 3 is adjusted.
As an example, the driving assembly 5 may include a motor wheel 51 and a stepping motor 52 mounted on the first frame 1 and connected to the motor wheel 51, wherein an outer side of the motor wheel 51 is used for winding the paper tape 3;
the driving position adjusting assembly 4 may include a screw 41 and a first guide rail 42 mounted on the first bracket 1 and slidably connected to the motor wheel 51, wherein the screw 41 is threadedly connected to the motor wheel 51 and is used to drive the motor wheel 51 to slide along the first guide rail 42. By rotating the screw rod 41, the position of the motor wheel 51 is adjusted, the tightness of the paper tape 3 is further adjusted, and the length error of the paper tape 3 is closed.
Preferably, the driving position adjusting assembly 4 may further include an elastic member 43, one end of the elastic member 43 is fixedly disposed on the first bracket 1, and the other end of the elastic member 43 is connected to the motor wheel 51, so as to provide a buffering effect when the motor wheel 51 is adjusted, and prevent damage to the device.
Referring to fig. 9, in the embodiment of the present application, the fluorescence sensor detection module 100 may further include a diffuse reflection switch 26, a control unit 27, and a detection unit 28 in terms of a circuit structure, where the control unit 27 is electrically connected to the diffuse reflection switch 26 and the detection unit 28; the diffuse reflection switch 26 is used for detecting the position information of the sample and outputting a level signal when the position information of the sample is detected; the detection unit 28 is used for detecting the concentration information of the sample and transmitting the concentration information of the sample to the control unit 27; the control unit 27 is configured to trigger the driving assembly 5 to drive the motor wheel 51 to rotate and drive the sampling point 291 of the paper tape 3 to rotate to the sensor air inlet 21 when the diffuse reflection switch 26 that detects the sample outputs the level signal, and is configured to process the concentration information of the sample.
The diffuse reflection switch 26 emits a light beam, when a sample enters an effective scanning area of the diffuse reflection switch 26, the sample generates diffuse reflection, the diffuse reflection switch 26 detects position information of the sample, a signal output pin of the diffuse reflection switch 26 outputs a low level, and the control unit 27 determines that the sample passes after detecting that a signal of the diffuse reflection switch 26 is pulled down; the control unit 27 triggers the driving assembly 5 to drive the motor wheel 51 to rotate and drive the sampling point 291 of the paper tape 3 to rotate to the sensor air inlet 21; because the distance L from the sampling point 291 to the sensor air inlet 21 is known, and the radius R of the motor wheel 51 is known, the corresponding central angle θ can be calculated to be L/R, so that the sampling point 291 of the paper tape 3 can be controlled to rotate to the sensor air inlet 21 only by controlling the motor wheel 51 to rotate by a corresponding angle; the detection unit 28 detects the concentration information of the sample and transmits the concentration information of the sample to the control unit 27, and the control unit 27 processes the concentration information collected by the detection unit 28.
Referring to fig. 5 to 7, in another aspect, the embodiment of the present application provides a fluorescence sensor detecting apparatus 200, which may include a second bracket 6, and a plurality of fluorescence sensor detecting modules 100 installed in the second bracket 6, where the second bracket 6 includes a housing 61, a sliding plate 62 installed in the housing 61, a second guide rail 63, and a first pulley assembly 64 for transmitting a sample, the sliding plate 62 and the second guide rail 63 are slidably connected and can slide in a direction perpendicular to a moving direction of the sample, and the plurality of fluorescence sensor detecting modules 100 are disposed on the sliding plate 62 at intervals. The housing 61 is used for supporting and mounting the fluorescence sensor detection module 100.
The number of the fluorescence sensor detection modules 100 can be freely set, and the spacing distance can also be freely set according to requirements; the number of the fluorescent sensor detection modules 100 and the installation interval can be freely adjusted according to the different specifications of the assembled conveyor belt.
The first pulley assembly 64 may be a support rod with pulleys, two ends of the support rod are respectively connected with the housing 61, the pulleys are sleeved outside the support rod, the support rods may be multiple, and each support rod may be provided with multiple pulleys; the first pulley assembly 64 is driven to rotate by a driving mechanism to drive the sample to move as it passes through the first pulley assembly 64.
Referring to fig. 5, in the embodiment of the present application, through the sliding arrangement of the second guide rail 63 and the sliding plate 62, the plurality of fluorescence sensor detection modules 100 and the sliding plate 62 can be pulled out of the housing 61 together, so that the maintenance and replacement of the fluorescence sensor detection modules 100 are facilitated.
The second bracket 6 may further include a plurality of adjustable legs 65 for height adjustment coupled to the housing 61. When the adjustable support leg 65 is used in combination with a conveyor belt, the height of the second support 6 can be adjusted to be uniform with the height of the conveyor belt.
The second bracket 6 may further include a second pulley assembly 66 coupled to the sliding plate 62. Specifically, the second pulley assembly 66 may include a support rod and a roller, one end of the support rod is connected to the sliding plate 62, and the other end of the support rod is connected to the roller, so that when the sliding plate 62 slides out of the housing 61, the sliding plate 62 and the fluorescence sensor detection module 100 can be supported by the support rod, and the fluorescence sensor detection module 100 can be conveniently pulled out by the roller.
The second bracket 6 may further include a baffle plate disposed on the sliding plate 62 and located outside the fluorescence sensor detection module 100 at the outermost side, so that when the sliding plate 62 slides into the housing 61, the baffle plate may be used to block the notch of the housing 61, so as to protect the fluorescence sensor detection module 100 and achieve an attractive effect.
The fluorescence sensor detection device 200 in the embodiment of the present application may further include, in terms of a circuit structure, a main control unit 7 and a display unit 8 for displaying concentration information of a sample, where the display unit 8 may further display alarm information; each fluorescence sensor detection module 100 includes control unit 27 and detecting element 28 respectively, and detecting element 28 is connected with control unit 27, each control unit 27 respectively with main control unit 7 conducting connection, main control unit 7 with display element 8 conducting connection. Each fluorescence sensor detection module 100 operates independently, and the data detected by each fluorescence sensor detection module can be gathered on the main control unit 7 in a star topology structure and can be displayed on the same display screen. Referring to fig. 10, a schematic structural diagram of a fluorescence sensor detection apparatus 200 is shown by taking three fluorescence sensor detection modules 100 as an example.
The concentration information of the sample detected by the detection unit 28 in the fluorescence sensor detection module 100 is transmitted to the control unit 27, the control unit 27 converts the concentration information, i.e., the fluorescence signal, into a digital signal, performs an operation on the digital signal through an algorithm, and sends an operation result (suspicious or safe) to the main control unit 7 through an I2C bus, and the main control unit 7 summarizes the test results of each channel and displays the results on a display screen.
Referring to fig. 8, in another aspect, an embodiment of the present application provides a fluorescence sensor detection system, which includes the fluorescence sensor detection device 200 described above, and conveyor belts respectively disposed on two sides of the fluorescence sensor detection device 200.
In view of the fact that the existing instruments for detecting explosives/drugs by adopting a fluorescence quenching technology are handheld or desk-top, the detection efficiency is low, the automation is poor, the system is connected with the fluorescence sensor detection device 200 and the conveyor belt, the multiple groups of fluorescence sensor detection modules 100 can rapidly and automatically sample and test wrapped goods on the conveyor belt, can automatically complete wiping sampling and display detection results, and even can give an alarm for prompting. The system can be used for cargo transfer centers of express delivery companies, logistics companies and airports, and the fluorescence sensor detection device 200 can be mounted at the middle connection position of two sections of conveyor belts, so that the refitting difficulty can be reduced to the greatest extent.
The detection process is as follows: the two sides of the fluorescence sensor detection device 200 are respectively a first conveyor belt 9 and a second conveyor belt 10; the first conveyor belt 9 is a previous-stage conveyor belt, and the second conveyor belt 10 is a next-stage conveyor belt; packages (or goods) transmitted from the upper-level conveyor belt pass through one or more fluorescence sensor detection modules 100, a diffuse reflection switch 26 of the fluorescence sensor detection module 100 is triggered, and a sampling point 291 of the paper tape 3 rolls to a sensor air inlet 21 of the module for detection; if a suspected product is detected, the display screen displays alarm information, and after the test is finished, the sampling point 291 can be rolled to a high-temperature desorption cleaning device (not shown in the figure) for cleaning and desorption; if the detection is safe, the next detection can be waited for.
The above description is only a preferred embodiment of the present application and should not be taken as limiting the present application, and any modifications, equivalents and improvements made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (10)
1. A fluorescence sensor detection module, comprising:
a first bracket;
the paper tape is arranged on the first support and used for collecting a sample;
a fluorescence sensor rotatably coupled to the first support, the fluorescence sensor including a sensor inlet and having an operational mode and a maintenance mode, wherein in the operational mode, the sensor inlet of the fluorescence sensor contacts the paper strip to facilitate a sample collected by the paper strip to enter the fluorescence sensor for detection, wherein the fluorescence sensor switches to the maintenance mode when the fluorescence sensor is rotated relative to the first support such that the sensor inlet of the fluorescence sensor is spaced away from the paper strip.
2. The fluorescence sensor detection module of claim 1,
the fluorescence sensor comprises a sensor base, a sensor body, a fixing part, a rotating part and a connecting part, wherein the sensor body, the fixing part, the rotating part and the connecting part are arranged on the sensor base respectively, the sensor body comprises a sensor air inlet, the fixing part is connected with the rotating part through the connecting part, the fixing part and the rotating part are both penetrated through the first support, a first sliding groove in sliding connection with the rotating part is formed in the first support, and the rotating part uses the fixing part as a rotating center to follow the sliding of the first sliding groove to switch the working mode and the maintenance mode of the fluorescence sensor.
3. The fluorescence sensor detecting module of claim 1, wherein the first frame is provided with a driving position adjusting assembly and a driving assembly for driving the paper tape to rotate, and the driving position adjusting assembly is slidably connected with the driving assembly.
4. The fluorescence sensor detection module of claim 3, wherein said driving assembly comprises a motor wheel and a stepping motor mounted on said first support and connected to said motor wheel, the outer side of said motor wheel being used for winding said paper tape;
the driving position adjusting assembly comprises a screw and a first guide rail which is installed on the first support and is in sliding connection with the motor wheel, and the screw is in threaded connection with the motor wheel and is used for driving the motor wheel to slide along the first guide rail so as to cover the length error of the paper tape.
5. The fluorescence sensor detecting module according to claim 4, wherein the driving position adjusting assembly further comprises an elastic member, one end of the elastic member is fixed to the first bracket, and the other end of the elastic member is connected to the motor wheel.
6. The fluorescence sensor detection module of claim 4, wherein said fluorescence sensor detection device further comprises a diffuse reflection switch, a control unit and a detection unit, said control unit is electrically connected to said diffuse reflection switch and said detection unit;
the diffuse reflection switch is used for detecting the position information of a sample and outputting a level signal when the position information of the sample is detected;
the detection unit is used for detecting the concentration information of the sample and transmitting the concentration information of the sample to the control unit;
the control unit is used for triggering the driving assembly to drive the motor wheel to rotate and drive the sampling point of the paper tape to rotate to the air inlet of the sensor when the diffuse reflection switch is detected to output the level signal, and the control unit is used for processing concentration information of a sample.
7. A fluorescence sensor detection device, comprising a second bracket and a plurality of fluorescence sensor detection modules according to any claim 1-6 mounted in the second bracket, wherein the second bracket comprises a housing and a sliding plate mounted in the housing, a second guide rail and a first pulley assembly for transmitting a sample, the sliding plate and the second guide rail are slidably connected and can slide along a direction perpendicular to the movement direction of the sample, and the plurality of fluorescence sensor detection modules are arranged on the sliding plate at intervals.
8. The fluorescence sensor detection device of claim 7, wherein said second bracket further comprises a plurality of adjustable legs coupled to said housing for height adjustment; and/or
The second bracket further includes a second pulley assembly coupled to the sliding plate.
9. The fluorescence sensor detecting device according to claim 7, further comprising a main control unit and a display unit for displaying information of a sample, wherein each of the fluorescence sensor detecting devices comprises a control unit, each of the control units is electrically connected to the main control unit, and the main control unit is electrically connected to the display unit.
10. A fluorescence sensor detecting system comprising the fluorescence sensor detecting device according to any one of claims 7 to 9, and a conveyor belt provided on both sides of the fluorescence sensor detecting device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011048820.XA CN112098385A (en) | 2020-09-29 | 2020-09-29 | Fluorescence sensor detection module, device and system thereof |
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| CN202011048820.XA CN112098385A (en) | 2020-09-29 | 2020-09-29 | Fluorescence sensor detection module, device and system thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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