CN107607491A - Dry chemistry reagent light reflectivity detection means - Google Patents
Dry chemistry reagent light reflectivity detection means Download PDFInfo
- Publication number
- CN107607491A CN107607491A CN201711077973.5A CN201711077973A CN107607491A CN 107607491 A CN107607491 A CN 107607491A CN 201711077973 A CN201711077973 A CN 201711077973A CN 107607491 A CN107607491 A CN 107607491A
- Authority
- CN
- China
- Prior art keywords
- light
- led
- taper
- circuit board
- dry chemistry
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
Abstract
A kind of dry chemistry reagent light reflectivity detection means, it includes circuit board（1）, it is characterized in that described circuit board（1）On light sensor is installed（2）And LED seat（3）, and light sensor（2）It is sleeved on lamp socket（3）Be connected the light conducting cylinder in face with circuit board（4）In, light sensor（2）On add can reduce reagent background color interference diaphragm；Lamp socket（3）To be provided with taper raised at another side center（5）, taper projection（5）Periphery is provided with mounted LED lamp（6）Groove（7）, LED（6）And light sensor（2）And circuit board（1）Electrical connection, it is raised in taper（5）Center be provided with reflection dry chemistry reagent reflected light daylighting aperture（8）；In LED seat（3）Light-guiding shade is installed in one side away from circuit board（9）, light-guiding shade（9）Center be provided with light hole（10）.The present invention is simple in construction, and intensity of illumination is big, and light path is simple, and light sensor, strong antijamming capability are directly entered after reflection.
Description
Technical field
The present invention relates to a kind of chemical reagent detection technique, the dry chemistry reagent inspection in especially a kind of medical science biochemistry detection
The light reflecting device of survey, specifically a kind of dry chemistry reagent light reflectivity detection means.
Background technology
At present, dry chemistry reagent reaction detection needs to test the reflectivity of multiple wavelength, and conventional method uses LED light source
+ integrating sphere realizes, there is that illuminance is low, easily by ambient light interference and the optical source wavelength that can select is less lacks
Point, therefore a device of urgent need design can select the light of up to 6 wavelength, and illuminance intensity greatly enhances, and can reduce
The reflection detection device of ambient light interference.
The content of the invention
The purpose of the present invention be for existing reflectivity detection means illumination be mapped to dry chemistry reagent surface light irradiation
Spend weak, cause amplifying circuit below easily to receive ambient light or noise jamming, influence signal processing and analysis, and finally influence
The problem of testing result, a kind of dry chemistry reagent light reflectivity detection that can be improved illumination and be mapped to the irradiation level in reagent table face of design
Device.
The technical scheme is that：
A kind of dry chemistry reagent light reflectivity detection means, it includes circuit board 1, it is characterized in that being installed on described circuit board 1
There are light sensor 2 and LED seat 3, and light sensor 2 is sleeved on lamp socket 3 and is connected with circuit board in the light conducting cylinder 4 in face, light
The diaphragm of reagent background color interference can be reduced by being added on dependent sensor 2；The another side center of lamp socket 3 is provided with taper projection 5, taper
Raised 5 peripheries are provided with the groove 7 of mounted LED lamp 6, and LED 6 and light sensor 2 are electrically connected with circuit board 1, in taper
The center of projection 5 is provided with the daylighting aperture 8 of reflection dry chemistry reagent reflected light；Pacify in one side of the LED seat 3 away from circuit board
Equipped with light-guiding shade 9, the center of light-guiding shade 9 is provided with light hole 10, and the light for the setting wavelength that LED 6 is sent shines by light hole 10
It is mapped on dry chemistry reagent, enters the daylighting aperture 8 at raised 5 centers of taper after reflection from the center of light hole 10 again, then through leading
Light cylinder 4 is converted into electric signal into light sensor 2 and is sent into circuit board 1, then is sent into message handler by circuit board 1 and is detected
As a result.
The inner side of described light-guiding shade 9 is in taper hole structure, is surrounded by what is matched with taper projection in taper hole structure
Groove, the groove form the space of a fixed LED with the groove in taper projection；Set in the outside of light-guiding shade 9 and one
Annular projection 11, to ensure that the length of the groove on the inside of light-guiding shade matches with LED length, while reduce the entirety of light-guiding shade
Thickness, economize on material.
The periphery of described light conducting cylinder 4 is in clover shape, and the gland 12 of shape matching, pressure are set with light conducting cylinder 4
Lid 12 is provided with paw 13 close to the one side of LED seat 3, and paw 13 is used for the lamp base for fixing LED, prevents lamp base from using process
Middle loosening.
Described LED 6 is arranged in pairs, and the wavelength that each pair LED 6 is sent is identical, and they are with identical angular illumination
Onto dry chemistry reagent, light after reflection is vertically into the daylighting aperture 8 in taper projection 5, finally by light sensor
Receive.
The quantity of described LED 6 is at least 2 pairs, preferably 4 pairs, most preferably 6 pairs.
Described LED 6 is standing wave length or becomes wavelength bulb.
The cone-apex angle of the taper projection 5 of described LED seat 3 is 120 degree；Each LED is shone with 30 degree of incidence angle
It is mapped to dry chemistry reagent surface.
Beneficial effects of the present invention：
1. the present invention because employ two-by-two one group of LED30 degree angle to penetrating irradiation reagent strip so that illuminance is very high, performance
It is more stable, it is more outstanding in terms of sensitivity and homogeneity of product.
2. photosensitive use, which receives directly over reagent strip and increases diaphragm, filters out external disturbance light.
3. the present invention use 12 totally 6 couples of LED be irradiated to dry chemistry reagent block to penetrating with 30 degree of angles, wave-length coverage is wide,
Choice is big, can meet most of reagent strip or block detection needs.
4. present invention employs photosensitive vertical reception, diaphragm, good in anti-interference performance are placed before photosensitive.
5. by circuits improvement, every group of LED of the invention can send different wavelength, and transmitting light wave light can be achieved
Modulation, greatly simplifies structure, and need to only install a pair of LEDs can meet the needs of all wavelengths reflection.
6. the present invention is simple in construction, intensity of illumination is big, and light path is simple, and light sensor is directly entered after reflection, anti-interference
Ability is strong.
Brief description of the drawings
Fig. 1 is the decomposition texture schematic diagram of the present invention.
Fig. 2 is assembling structure front view of the present invention.
Fig. 3 is Fig. 2 top view.
Fig. 4 is Fig. 2 A-A sectional views.
Embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples.
As Figure 1-4.
A kind of dry chemistry reagent light reflectivity detection means, it includes circuit board 1, and circuit board 1 can be entered using routine techniques
Row design, mainly controls the break-make of LED and the collection and transmission of reflected light signal, it passes through communication cable and sampling analysis
Main frame is connected, and sampling analysis main frame is analyzed according to the signal of collection using related existing software, draws assay.It is described
Circuit board 1 on light sensor 2 and LED seat 3 are installed, and light sensor 2 is sleeved on LED seat 3 and circuit board phase
Even in the light conducting cylinder 4 in face, light conducting cylinder 4 is fixed by screws on circuit board 1 so as to realize the fixation of LED seat 3 and circuit board 1
Connection, light sensor, which is sleeved in light conducting cylinder, to prevent ambient from disturbing, and ensure the accuracy of reflected signal.Light sensor
The diaphragm of reagent background color interference can be reduced by being added on device 2；The another side center of lamp socket 3 is provided with taper projection 5, taper projection 5
7,12 one group of LEDs two of groove that periphery is provided with 12 mounted LED lamps 6 are symmetrically installed, the wavelength one that every group of LED is sent
Cause, and illumination angle is 30 degree, that is to say, that the raised cone-apex angle of taper is 120 degree.LED 6 and light sensor 2 are and circuit
Plate 1 is electrically connected, and the daylighting aperture 8 of reflection dry chemistry reagent reflected light is provided with the center of taper projection 5；It is remote in LED seat 3
Light-guiding shade 9 is installed from clamping in the one side of circuit board, the center of light-guiding shade 9 is provided with light hole 10（Fig. 4）, what LED 6 was sent
The light of wavelength is set to be irradiated to by light hole 10 on dry chemistry reagent, it is convex from the center of light hole 10 into taper again after reflection
The daylighting aperture 8 at 5 centers is played, then is converted into electric signal into light sensor 2 after diaphragm filters through light conducting cylinder 4 and is sent into electricity
Road plate 1, then message handler is sent into by circuit board 1 and obtains testing result.As shown in Figure 1.The inner side of light-guiding shade 9 is in taper hole knot
Structure, in the groove 14 that matches with taper projection of being surrounded by of taper hole structure, the groove 14 and the groove type in taper projection
Into the space of a fixed LED；Set in the outside of light-guiding shade 9 and an annular projection 11, it is recessed on the inside of light-guiding shade to ensure
The length of groove matches with LED length, while reduces the integral thickness of light-guiding shade, economizes on material.Outside described light conducting cylinder 4
Enclose and may be designed to clover shape, be set with light conducting cylinder 4 shape matching gland 12, gland 12 close to LED seat 3 one
Face is provided with paw 13, and paw 13 is used for the lamp base for fixing LED, prevents from loosening during lamp base use.Described LED 6
It is arranged in pairs, the wavelength that each pair LED 6 is sent is identical, and they are with identical angular illumination to dry chemistry reagent, after reflection
Light vertically into the daylighting aperture 8 in taper projection 5, finally received by light sensor.As shown in Figure 2,3.Specifically
During implementation, the quantity of described LED 6 is at least 2 pairs, preferably 4 pairs, most preferably 6 pairs.Pass through being set when changing to LED circuit
Meter, and use the LED 6 of wavelengthtunable, then each detection means only needs a pair of LEDs to meet to require, structure is more simple
It is single, arrive the wavelength corresponding with dry chemistry reagent in use, need to only adjust LED emission wavelengths.
Part that the present invention does not relate to is same as the prior art or can be realized using prior art.
Claims (7)
1. a kind of dry chemistry reagent light reflectivity detection means, it includes circuit board（1）, it is characterized in that described circuit board（1）
On light sensor is installed（2）And LED seat（3）, and light sensor（2）It is sleeved on lamp socket（3）Be connected face with circuit board
Light conducting cylinder（4）In, light sensor（2）On add can reduce reagent background color interference diaphragm；Lamp socket（3）Another side in
It is raised that the heart is provided with taper（5）, taper projection（5）Periphery is provided with mounted LED lamp（6）Groove（7）, LED（6）And light sensor
Device（2）And circuit board（1）Electrical connection, it is raised in taper（5）Center be provided with reflection dry chemistry reagent reflected light daylighting
Aperture（8）；In LED seat（3）Light-guiding shade is installed in one side away from circuit board（9）, light-guiding shade（9）Center be provided with light extraction
Hole（10）, LED（6）The light of the setting wavelength sent passes through light hole（10）Be irradiated on dry chemistry reagent, after reflection again from
Light hole（10）To enter taper raised at center（5）The daylighting aperture at center（8）, then through light conducting cylinder（4）Into light sensor
（2）It is converted into electric signal and is sent into circuit board（1）, then by circuit board（1）It is sent into message handler and obtains testing result.
2. dry chemistry reagent light reflectivity detection means according to claim 1, it is characterized in that described light-guiding shade（9）'s
Inner side is in taper hole structure, in the groove that matches with taper projection of being surrounded by of taper hole structure, the groove with taper projection
Groove formed a fixed LED space；In light-guiding shade（9）Outside set and an annular projection（11）, to ensure to lead
The length of groove on the inside of light shield matches with LED length, while reduces the integral thickness of light-guiding shade, economizes on material.
3. dry chemistry reagent light reflectivity detection means according to claim 1, it is characterized in that described light conducting cylinder（4）'s
Periphery is in clover shape, in light conducting cylinder（4）On be set with shape matching gland（12）, gland（12）Close to LED seat（3）
One side be provided with paw（13）, paw（13）For fixing the lamp base of LED, prevent from loosening during lamp base use.
4. dry chemistry reagent light reflectivity detection means according to claim 1, it is characterized in that described LED（6）Into
To setting, each pair LED（6）The wavelength sent is identical, and they are with identical angular illumination to dry chemistry reagent, after reflection
Light it is raised vertically into taper（5）On daylighting aperture（8）In, finally received by light sensor.
5. dry chemistry reagent light reflectivity detection means according to claim 1, it is characterized in that described LED（6）'s
Quantity is at least 2 pairs, preferably 4 pairs, most preferably 6 pairs.
6. dry chemistry reagent light reflectivity detection means according to claim 1, it is characterized in that described LED（6）For
Standing wave is long or becomes wavelength bulb.
7. dry chemistry reagent light reflectivity detection means according to claim 1, it is characterized in that described LED seat（3）
Taper it is raised（5）Cone-apex angle be 120 degree；Each LED is irradiated to dry chemistry reagent surface with 30 degree of incidence angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711077973.5A CN107607491A (en) | 2017-11-06 | 2017-11-06 | Dry chemistry reagent light reflectivity detection means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711077973.5A CN107607491A (en) | 2017-11-06 | 2017-11-06 | Dry chemistry reagent light reflectivity detection means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107607491A true CN107607491A (en) | 2018-01-19 |
Family
ID=61085076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711077973.5A Pending CN107607491A (en) | 2017-11-06 | 2017-11-06 | Dry chemistry reagent light reflectivity detection means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107607491A (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5995236A (en) * | 1998-04-13 | 1999-11-30 | Mit Development Corporation | Blood fluid characteristics analysis instrument |
| US20010041367A1 (en) * | 2000-05-12 | 2001-11-15 | Fuji Photo Film Co., Ltd. | Analysis method using dry chemical analysis element |
| JP2006098227A (en) * | 2004-09-29 | 2006-04-13 | Fuji Photo Film Co Ltd | Reflected light measuring instrument and biochemical analyzer |
| US20060109475A1 (en) * | 2004-11-24 | 2006-05-25 | Misener Garland C | Reflectometer and associated light source for use in a chemical analyzer |
| CN201364333Y (en) * | 2009-03-04 | 2009-12-16 | 桂林优利特医疗电子有限公司 | Optic device of immunoassay unit |
| CN201408167Y (en) * | 2008-08-26 | 2010-02-17 | 深圳市恩普电子技术有限公司 | Color collecting device of urine analyzer |
| CN203310833U (en) * | 2013-06-17 | 2013-11-27 | 三诺生物传感股份有限公司 | Dry chemical test strip |
| CN204086150U (en) * | 2014-10-11 | 2015-01-07 | 北京华益精点生物技术有限公司 | A kind of drying chemical reagent paper quantitative analysis instrument for food safety detection |
| CN105823730A (en) * | 2016-06-13 | 2016-08-03 | 成都恩普生医疗科技有限公司 | Light path support for portable urine analyzer |
| CN205786339U (en) * | 2016-05-27 | 2016-12-07 | 天津果实科技有限公司 | Use the device that reagent paper is detected by color sensor one to one |
| CN106404680A (en) * | 2016-11-10 | 2017-02-15 | 赣州市检验检疫科学技术研究院 | Device and method for field quick on-site detection of citrus huanglongbing |
| CN106501254A (en) * | 2017-01-16 | 2017-03-15 | 成都恩普生医疗科技有限公司 | A kind of semi-automatic Urine Analyzer and optical system detection module |
| CN207318352U (en) * | 2017-11-06 | 2018-05-04 | 崔宝藏 | Dry chemistry reagent light reflectivity detection device |
-
2017
- 2017-11-06 CN CN201711077973.5A patent/CN107607491A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5995236A (en) * | 1998-04-13 | 1999-11-30 | Mit Development Corporation | Blood fluid characteristics analysis instrument |
| US20010041367A1 (en) * | 2000-05-12 | 2001-11-15 | Fuji Photo Film Co., Ltd. | Analysis method using dry chemical analysis element |
| JP2006098227A (en) * | 2004-09-29 | 2006-04-13 | Fuji Photo Film Co Ltd | Reflected light measuring instrument and biochemical analyzer |
| US20060109475A1 (en) * | 2004-11-24 | 2006-05-25 | Misener Garland C | Reflectometer and associated light source for use in a chemical analyzer |
| CN201408167Y (en) * | 2008-08-26 | 2010-02-17 | 深圳市恩普电子技术有限公司 | Color collecting device of urine analyzer |
| CN201364333Y (en) * | 2009-03-04 | 2009-12-16 | 桂林优利特医疗电子有限公司 | Optic device of immunoassay unit |
| CN203310833U (en) * | 2013-06-17 | 2013-11-27 | 三诺生物传感股份有限公司 | Dry chemical test strip |
| CN204086150U (en) * | 2014-10-11 | 2015-01-07 | 北京华益精点生物技术有限公司 | A kind of drying chemical reagent paper quantitative analysis instrument for food safety detection |
| CN205786339U (en) * | 2016-05-27 | 2016-12-07 | 天津果实科技有限公司 | Use the device that reagent paper is detected by color sensor one to one |
| CN105823730A (en) * | 2016-06-13 | 2016-08-03 | 成都恩普生医疗科技有限公司 | Light path support for portable urine analyzer |
| CN106404680A (en) * | 2016-11-10 | 2017-02-15 | 赣州市检验检疫科学技术研究院 | Device and method for field quick on-site detection of citrus huanglongbing |
| CN106501254A (en) * | 2017-01-16 | 2017-03-15 | 成都恩普生医疗科技有限公司 | A kind of semi-automatic Urine Analyzer and optical system detection module |
| CN207318352U (en) * | 2017-11-06 | 2018-05-04 | 崔宝藏 | Dry chemistry reagent light reflectivity detection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5477326A (en) | Spectrophotometer arrangement with multi-detector readhead | |
| US11195400B2 (en) | Smoke detector and method for detecting smoke | |
| CN101504328B (en) | Solar cell optical receiver and full luminous flux detection system with the same | |
| AU2010327508A1 (en) | Integrating sphere photometer and measuring method of the same | |
| RU157463U1 (en) | TRACK GAS ANALYZER | |
| CN106404733B (en) | Food safety detection device and detection method based on mobile intelligent terminal | |
| KR20100026923A (en) | Test socket and test module | |
| CN105938016A (en) | Color measurement apparatus | |
| CN106644402A (en) | Integrating sphere and measurement method thereof | |
| CN202547778U (en) | Grating spectrophotometer and biochemical analyzer adopting same | |
| CN207318352U (en) | Dry chemistry reagent light reflectivity detection device | |
| CN101344430B (en) | High-speed optical sensing apparatus and system capable of simultaneously sensing luminous intensity and chroma | |
| CN217237745U (en) | Miniature multichannel fluorescence detection system | |
| CN107607491A (en) | Dry chemistry reagent light reflectivity detection means | |
| JP3114410B2 (en) | Image sensor test method | |
| CN206146837U (en) | A optics and detecting system for multichannel atomic fluorescence spectrophotometer | |
| CN210664766U (en) | Single-light-source multi-detection-module photometer | |
| CN208736877U (en) | Optical signal detecting device and system | |
| CN210119438U (en) | Device for measuring ozone concentration by ultraviolet light | |
| CN219799247U (en) | Portable multiparameter colorimeter | |
| CN214503324U (en) | Dry chemistry detection device | |
| CN214668587U (en) | Ultraviolet LED transmission light source fluorescence detection equipment | |
| CN109521012B (en) | Inverted instant testing device for POCT detection | |
| CN203396693U (en) | Livestock meat detection probe | |
| CN211669054U (en) | Attenuation total reflection terahertz probe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |