CN206192869U - Which comprises a housin, - Google Patents
Which comprises a housin, Download PDFInfo
- Publication number
- CN206192869U CN206192869U CN201621164141.8U CN201621164141U CN206192869U CN 206192869 U CN206192869 U CN 206192869U CN 201621164141 U CN201621164141 U CN 201621164141U CN 206192869 U CN206192869 U CN 206192869U
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- Prior art keywords
- light source
- rotary disc
- disc assembly
- rotary table
- detection means
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- 238000001514 detection method Methods 0.000 claims abstract description 26
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 230000004888 barrier function Effects 0.000 claims description 6
- 230000005693 optoelectronics Effects 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 230000008450 motivation Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 6
- 238000002835 absorbance Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000004737 colorimetric analysis Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Investigating Or Analysing Materials By Optical Means (AREA)
- Automatic Analysis And Handling Materials Therefor (AREA)
Abstract
Which comprises a housin, , including base, light source, receiver tube, cell, rotary assembly, table drive mechanism, position detection mechanism, rotary assembly's periphery circumference equipartition several is used for fixing a position the locating rack of cell, and rotary assembly sets up by the table drive drive horizontal rotation of mechanism on the base, the light source sets up respectively in rotary assembly's both sides with the receiver tube, and the line of light source and receiver tube is tangent with the contour that the several locating rack on the rotary assembly formed, and the produced light of light source can pass the cell of establishing on the locating rack and reach the receiver tube, position detection mechanism including set up the rotary assembly periphery and correspond the switch touch portion in the locating rack outside, set up on the base with switch touch portion complex touch switch. The advantage is that it is high to detect the precision, improves work efficiency, simple structure, reduction in production cost.
Description
Technical field
The utility model belongs to food safety detection apparatus field, and in particular to a kind of single light source multichannel automatically switches and examines
Survey device.
Background technology
The principle of food safety detection is exactly the index of correlation composition and developer being detected in food samples in certain bar
There is specific reaction under part, the product of different colours depth can be generated, these products can have been produced to different wave length visible ray
Selective absorbing, the depth of color be the concentration of height and the index components in sample of absorbance into correlation, and appropriate
Concentration range in obey lambert-Beer law.Therefore the absorbance of detection is automatic through the built-in standard curve software of instrument
Can be calculated the index components in sample actual concentrations and whether exceeded result.
Food safety detection equipment is generally measured using colorimetric method, i.e., with a branch of monochromatic light exposure solution, Ran Houyong
Reception pipe detects absorption of the solution to light, and the absorbance of detection is proportional to concentration.When sample size is big, it is necessary to carry high-throughout
When, typically increase many set light source and reception pipes, form multiple passages and work simultaneously.So on the one hand increase cost, it is important
Be can the presence of interchannel deviation, cause the measurement error between each sample.
Utility model content
The purpose of this utility model is the shortcoming for overcoming above-mentioned prior art, there is provided a kind of single light source multichannel automatically switches
Detection means, it is ensured that while testing result accuracy, improves treatment effeciency, reduces cost.
In order to solve the above technical problems, the technical solution adopted in the utility model is as follows：
Single light source multichannel automatic switchover detection means, including base, light source, reception pipe, cuvette, rotary disc assembly, turn
Dish driving mechanism, position detecting mechanism, the circumferential uniform several locating racks for positioning cuvette in periphery of rotary disc assembly, rotating disk
Component is arranged on base to be driven by rotary disc driving mechanism and horizontally rotates；Light source is separately positioned on the two of rotary disc assembly with reception pipe
The contour that several locating racks on side, the line of light source and reception pipe and rotary disc assembly are formed is tangent, the light produced by light source
The cuvette that can be passed through on locating rack reaches reception pipe；Position detecting mechanism includes being arranged on rotary disc assembly periphery and correspondence
Switch actuating portion on the outside of locating rack, the touch switch coordinated with switch actuating portion is arranged on base.
It is placed on the locating rack of rotary disc assembly by multiple cuvettes, multiple cuvettes is passed through by the rotation of rotating disk
Single light source detected, improves accuracy of detection and detection efficiency.This apparatus structure is simple, reduces manufacturing cost.
As the improvement of scheme one, rotary disc driving mechanism include stepper motor, the first synchromesh gear, the second synchromesh gear,
Timing Belt；The output shaft of stepper motor is coaxially fixed with the first synchromesh gear；Rotary disc assembly is coaxially fixed with the second synchromesh gear；
First synchromesh gear is connected with the second synchromesh gear by Timing Belt.
Ensure that each cuvette there are enough residence times in detecting position using stepper motor, regulation can be needed according to detection
The step frequency of stepper motor.
Used as the improvement of scheme one, light source is provided with two condenser lenses and is symmetrically arranged at rotating disk group with the line of reception pipe
The both sides of part, two spacing of condenser lens are two focus length.
Used as the improvement of any one of scheme one to three, rotary disc assembly includes top rotary table, lower rotary table, support column；Top rotary table
Periphery is circumferentially with several through holes coordinated with cuvette periphery；Top rotary table is coaxially fixed with lower rotary table by support column, through hole
Form locating rack.
Used as the improvement of scheme four, switch actuating portion is the light barrier for being located at lower rotary table bottom and radially protruding lower rotary table,
Touch switch is optoelectronic switch.When light barrier blocks optoelectronic switch, stepper motor starts stepping rotation, drives each cuvette
Reach and be further continued for rotating after test position is had a break.
Used as the improvement of scheme four, top rotary table is circular alloy components with lower rotary table.
Used as the improvement of scheme four, light source is LED or is produced by beam splitting system.
The utility model has the advantages that：Accuracy of detection is high, improves operating efficiency, and simple structure reduces production
Cost.
Brief description of the drawings
Fig. 1 is the schematic perspective view of single light source multichannel automatic switchover detection means of the present utility model.
Fig. 2 is the generalized section of single light source multichannel automatic switchover detection means of the present utility model.
Description of reference numerals：1st, base, 2, light source, 3, reception pipe, 4, cuvette, 5, rotary disc assembly, 6, rotating disk driving machine
Structure, 7, locating rack, 8, switch actuating portion, 9, touch switch, 10, stepper motor, the 11, first synchromesh gear, the 12, second synchronous gear
Wheel, 13, Timing Belt, 14, condenser lens, 15, top rotary table, 16, lower rotary table, 17, support column, 18, through hole.
Specific embodiment
Embodiment
As shown in Figure 1 and Figure 2, single light source multichannel automatic switchover detection means, including base 1, light source 2, reception pipe 3, ratio
Color ware 4, rotary disc assembly 5, rotary disc driving mechanism 6, position detecting mechanism, light source 2 are LED.The periphery of rotary disc assembly 5 is circumferential uniform
Several locating racks 7 for positioning cuvette 4, rotary disc assembly 5 is arranged on base 1 and is revolved by the drive level of rotary disc driving mechanism 6
Turn；Light source 2 and reception pipe 3 are separately positioned on the both sides of rotary disc assembly 5, on the line of light source 2 and reception pipe 3 and rotary disc assembly 5
Several locating racks 7 formed contour it is tangent, the cuvette 4 that the light produced by light source 2 can be passed through on locating rack 7 is reached
Reception pipe 3；Position detecting mechanism include being arranged on the periphery of rotary disc assembly 5 and correspondence the outside of locating rack 7 switch actuating portion 8,
The touch switch 9 coordinated with switch actuating portion 8 is arranged on base 1.
Rotary disc driving mechanism 6 includes stepper motor 10, the first synchromesh gear 11, the second synchromesh gear 12, Timing Belt 13；Step
The output shaft of stepper motor 10 is coaxial fixed with the first synchromesh gear 11；Rotary disc assembly 5 is coaxial fixed with the second synchromesh gear 12；The
One synchromesh gear 11 is connected with the second synchromesh gear 12 by Timing Belt 13.
Light source 2 is provided with two condenser lenses 14 and is symmetrically arranged at the both sides of rotary disc assembly 5, two with the line of reception pipe 3
The spacing of individual condenser lens 14 is two focus length.
Rotary disc assembly 5 includes top rotary table 15, lower rotary table 16, support column 17；Top rotary table 15 is circular alloy with lower rotary table 16
Part.The periphery of top rotary table 15 is circumferentially with several through holes 18 coordinated with the periphery of cuvette 4；Top rotary table 15 passes through with lower rotary table 16
Support column 17 is coaxially fixed；Through hole 18 forms locating rack 7.Under switch actuating portion 8 is to be located at the bottom of lower rotary table 16 and radially protruding
The light barrier of rotating disk 16, touch switch 9 is optoelectronic switch.
Operation principle：Start stepper motor 10 to be driven by the first synchromesh gear 11, Timing Belt 13, the second synchromesh gear 12
The stepping of rotary disc assembly 5 is rotated, when the light barrier installed in lower rotary table 16 blocks optoelectronic switch first, light source 2 and reception pipe 3 dozens
Open, start detection, when light barrier blocks optoelectronic switch again, light source 2 is closed with reception pipe 3, and detection terminates.
Above-listed detailed description is directed to illustrating for the utility model possible embodiments, and the embodiment is simultaneously not used to limitation
The scope of the claims of the present utility model, all equivalence enforcements or change without departing from carried out by the utility model are intended to be limited solely by this case
In the scope of the claims.
Claims (7)
1. single light source multichannel automatic switchover detection means, including base, light source, reception pipe, cuvette, it is characterised in that：Also
Including rotary disc assembly, rotary disc driving mechanism, position detecting mechanism, the periphery of described rotary disc assembly is circumferential uniform several for fixed
The locating rack of position cuvette, described rotary disc assembly is arranged on base to be driven by rotary disc driving mechanism and horizontally rotates；Described
Light source and reception pipe are separately positioned on the both sides of rotary disc assembly, the several positioning on the line of light source and reception pipe and rotary disc assembly
The contour that frame is formed is tangent, and the center arrival that the light produced by described light source can pass through the cuvette on locating rack connects
Closed tube；Described position detecting mechanism includes that being arranged on the switch of rotary disc assembly periphery and correspondence on the outside of described locating rack touches
Dynamic portion, the touch switch coordinated with switch actuating portion is arranged on base.
2. single light source multichannel automatic switchover detection means according to claim 1, it is characterised in that：Described rotating disk drives
Motivation structure includes stepper motor, the first synchromesh gear, the second synchromesh gear, Timing Belt；The output shaft of described stepper motor with
First synchromesh gear is coaxially fixed；Described rotary disc assembly is coaxially fixed with the second synchromesh gear；First synchromesh gear and second
Synchromesh gear is connected by Timing Belt.
3. single light source multichannel automatic switchover detection means according to claim 1, it is characterised in that：Described light source with
The line of reception pipe is provided with two condenser lenses and is symmetrically arranged at the both sides of rotary disc assembly, between two described condenser lenses
Away from being two focus length.
4. the single light source multichannel automatic switchover detection means according to any one of claims 1 to 3, it is characterised in that：Institute
The rotary disc assembly stated includes top rotary table, lower rotary table, support column；The periphery of described top rotary table is circumferentially with outside several and cuvette
The through hole of Zhou Peihe；Described top rotary table is coaxially fixed with lower rotary table by support column；Described through hole forms described positioning
Frame.
5. single light source multichannel automatic switchover detection means according to claim 4, it is characterised in that：Described switch is touched
Dynamic portion is the light barrier for being located at lower rotary table bottom and radially protruding lower rotary table, and described touch switch is optoelectronic switch.
6. single light source multichannel automatic switchover detection means according to claim 4, it is characterised in that：Described top rotary table
It is circular alloy components with lower rotary table.
7. single light source multichannel automatic switchover detection means according to claim 4, it is characterised in that：Described light source is
LED is produced by beam splitting system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621164141.8U CN206192869U (en) | 2016-10-24 | 2016-10-24 | Which comprises a housin, |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621164141.8U CN206192869U (en) | 2016-10-24 | 2016-10-24 | Which comprises a housin, |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206192869U true CN206192869U (en) | 2017-05-24 |
Family
ID=58732090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621164141.8U Active CN206192869U (en) | 2016-10-24 | 2016-10-24 | Which comprises a housin, |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206192869U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108572458A (en) * | 2018-04-23 | 2018-09-25 | 长春理工大学 | A kind of cylinder shaped light beam multiple diameter converting means |
| CN109569933A (en) * | 2018-12-05 | 2019-04-05 | 中国船舶重工集团公司第七〇九研究所 | A kind of Teflon spray equipment suitable for nuclear power station sampling system pipeline |
-
2016
- 2016-10-24 CN CN201621164141.8U patent/CN206192869U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108572458A (en) * | 2018-04-23 | 2018-09-25 | 长春理工大学 | A kind of cylinder shaped light beam multiple diameter converting means |
| CN109569933A (en) * | 2018-12-05 | 2019-04-05 | 中国船舶重工集团公司第七〇九研究所 | A kind of Teflon spray equipment suitable for nuclear power station sampling system pipeline |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 510070 Building 34, No. 100 Xianlie Middle Road, Yuexiu District, Guangzhou City, Guangdong Province Patentee after: GUANGDONG INSTITUTE OF ANALYSIS (CHINA NATIONAL ANALYTICAL CENTER, GUANGZHOU) Address before: 510070 Building 34, No. 100 Xianlie Middle Road, Yuexiu District, Guangzhou City, Guangdong Province Patentee before: CHINA NATIONAL ANALYTICAL CENTER, GUANGZHOU |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP03 | Change of name, title or address |
Address after: No. 100, building No. 34, No. 100, martyr Middle Road, Guangdong, Guangdong Patentee after: Institute of testing and analysis, Guangdong Academy of Sciences (Guangzhou analysis and testing center, China) Address before: 510070 Building 34, No. 100 Xianlie Middle Road, Yuexiu District, Guangzhou City, Guangdong Province Patentee before: GUANGDONG INSTITUTE OF ANALYSIS (CHINA NATIONAL ANALYTICAL CENTER, GUANGZHOU) |
|
| CP03 | Change of name, title or address |