CN205015268U - Water quality analyzer's colorimetric device - Google Patents
Water quality analyzer's colorimetric device Download PDFInfo
- Publication number
- CN205015268U CN205015268U CN201520610085.5U CN201520610085U CN205015268U CN 205015268 U CN205015268 U CN 205015268U CN 201520610085 U CN201520610085 U CN 201520610085U CN 205015268 U CN205015268 U CN 205015268U
- Authority
- CN
- China
- Prior art keywords
- plano
- convex lens
- cell
- cuvette
- optic
- 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.)
- Active
Links
Landscapes
- Optical Measuring Cells (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The utility model discloses a water quality analyzer's colorimetric device, including light source, a plano -convex lens, cell, the 2nd plano -convex lens and receiving sensor, the cell is established the light source with between the receiving sensor, a plano -convex lens establishes the light source with between the cell, the 2nd plano -convex lens establishes the cell with between the receiving sensor. The utility model discloses a with the cell as spherical structure, can let through each light of cell all coincidently with the normal line of the surperficial tangent plane of cell, be that all the vertical incidence is equal in measured object matter and optical distance for each light, postcordial light gets into the sensor through plano -convex lens again in passing through simultaneously, convert the voltage signal along with the light intensity linear change into by the sensor, the desired correlated condition of ancient official title's uncle's bill's theorem has been guaranteed in such design, consequently can obtain the material concentration that awaits measuring in the water sample according to the model that ancient official title uncle bill theorem provided.
Description
Technical field
The utility model relates to chemical analysis servicing unit field, is specifically related to a kind of colorimetric device of Water Test Kits.
Background technology
Commercially there is a lot of product in sale based on colourimetry Water Test Kits at present, in this this product, have water quality online analyzer, hand-portable analyser, visible spectrophotometer etc.The whole base of these equipment realizes measuring in Lang uncle beer's law.But there is following condition in Lang uncle beer's law: must be parallel and vertical incidence by the light of test substance in actual applications; Must be monochromatic by the light of test substance; Test substance must be uniform; If do not met above-mentioned condition, very large error will be there will be; By the impact of the refractive index of water quality, because cuvette is right cylinder, except central ray be vertically inject except, there is angle in the tangent plane of the equal cuvette of other incident ray, this just has the impact of refractive index.
Utility model content
For the problems referred to above, the utility model aims to provide that a kind of structure is simple, debugging is convenient and the colorimetric device of the Water Test Kits that measuring accuracy is high.
For realizing this technical purpose, scheme of the present utility model is: a kind of colorimetric device of Water Test Kits, comprise light source, the first plano-convex lens, cuvette, the second plano-convex lens and receiving sensor, described cuvette is located between described light source and described receiving sensor, described first plano-convex lens is located between described light source and described cuvette, and described second plano-convex lens is located between described cuvette and described receiving sensor.
As preferably, in order to better ensure the effect of colorimetric device, described cuvette comprises color comparison tube, structure of fiber_optic and spring, and described structure of fiber_optic is located on described color comparison tube, and described structure of fiber_optic is provided with described spring.
As preferably, in order to reach accurate position assurance, consistance being installed, reaching the object of data precision, described cuvette is chondritic, and described cuvette land portions upper end processes a plane as location end face, the axes normal of described location end face and described cuvette, because this device have employed mould blow molding process in process of manufacture, so locating surface precision can be ensured completely.
As preferably, the two ends of described structure of fiber_optic are fixed with transmitting terminal and the receiving end of colorimetric light respectively.
As preferably, described location end face is withstood in described structure of fiber_optic bottom, and the top of described structure of fiber_optic is fixed with spring.
In installation process, after color comparison tube position changes, structure of fiber_optic is pressed on color comparison tube by spring by structure of fiber_optic, and relative to color comparison tube, the position of structure of fiber_optic does not change; Ensure that the consistance of installation, and data precision.
The utility model passes through cuvette as spherical structure, can allow and all to be overlapped with the normal of cuvette surface tangent plane by each root light of cuvette, namely each root light is all normally incident in measured matter and equivalent optical path, enter sensor through plano-convex lens again by the light behind center simultaneously, the voltage signal with light intensity linear change is converted to by sensor, such design is protected and has been demonstrate,proved the correlated condition of Lang uncle required by beer's law, therefore can obtain test substance concentration in water sample by the model that provides according to Lang uncle beer's law of root.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is cuvette structural representation of the present utility model;
Fig. 3 is the cross section structure schematic diagram of Fig. 2.
Wherein: 1. light source, 2. the first plano-convex lens, 3. cuvette, 4. the second plano-convex lens, 5. receiving sensor, 31. color comparison tubes, 32. structure of fiber_optic, 33. springs.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further details.
As shown in Figure 1 to Figure 3, the colorimetric device of a kind of Water Test Kits of best specific embodiment of the present utility model, comprise light source 1, first plano-convex lens 2, cuvette 3, second plano-convex lens 4 and receiving sensor 5, described cuvette 3 is located between described light source 1 and described receiving sensor 5, described first plano-convex lens 2 is located between described light source 1 and described cuvette 3, and described second plano-convex lens 4 is located between described cuvette 3 and described receiving sensor 5.
As preferably, in order to better ensure the effect of colorimetric device, described cuvette 3 comprises color comparison tube 31, structure of fiber_optic 32 and spring 33, and described structure of fiber_optic 32 is located on described color comparison tube 31, and described structure of fiber_optic 32 is provided with described spring 33.
As preferably, in order to reach accurate position assurance, consistance being installed, reaching the object of data precision, described cuvette 3 is chondritic, and described cuvette land portions upper end processes a plane as location end face, the axes normal of described location end face and described cuvette 3, because this device have employed mould blow molding process in process of manufacture, so locating surface precision can be ensured completely.
As preferably, the two ends of described structure of fiber_optic 32 are fixed with transmitting terminal and the receiving end of colorimetric light respectively.
As preferably, described location end face is withstood in described structure of fiber_optic 32 bottom, and the top of described structure of fiber_optic 32 is fixed with spring 33.
The utility model passes through cuvette as spherical structure, can allow and all to be overlapped with the normal of cuvette surface tangent plane by each root light of cuvette, namely each root light is all normally incident in measured matter and equivalent optical path, enter sensor through plano-convex lens again by the light behind center simultaneously, the voltage signal with light intensity linear change is converted to by sensor, such design is protected and has been demonstrate,proved the correlated condition of Lang uncle required by beer's law, therefore can obtain test substance concentration in water sample by the model that provides according to Lang uncle beer's law of root.
The above; be only preferred embodiment of the present utility model; not in order to limit the utility model, every above embodiment is done according to technical spirit of the present utility model any trickle amendment, equivalently replace and improve, within the protection domain that all should be included in technical solutions of the utility model.
Claims (5)
1. the colorimetric device of a Water Test Kits, it is characterized in that: comprise light source, the first plano-convex lens, cuvette, the second plano-convex lens and receiving sensor, described cuvette is located between described light source and described receiving sensor, described first plano-convex lens is located between described light source and described cuvette, and described second plano-convex lens is located between described cuvette and described receiving sensor.
2. the colorimetric device of Water Test Kits according to claim 1, is characterized in that: described cuvette comprises color comparison tube, structure of fiber_optic and spring, and described structure of fiber_optic is located on described color comparison tube, and described structure of fiber_optic is provided with described spring.
3. the colorimetric device of Water Test Kits according to claim 2, is characterized in that: described cuvette is chondritic, and described cuvette land portions upper end processes a plane as location end face, the axes normal of described location end face and described cuvette.
4. the colorimetric device of Water Test Kits according to claim 2, is characterized in that: the two ends of described structure of fiber_optic are fixed with transmitting terminal and the receiving end of colorimetric light respectively.
5. the colorimetric device of Water Test Kits according to claim 3, is characterized in that: described location end face is withstood in described structure of fiber_optic bottom, and the top of described structure of fiber_optic is fixed with spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520610085.5U CN205015268U (en) | 2015-08-13 | 2015-08-13 | Water quality analyzer's colorimetric device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520610085.5U CN205015268U (en) | 2015-08-13 | 2015-08-13 | Water quality analyzer's colorimetric device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205015268U true CN205015268U (en) | 2016-02-03 |
Family
ID=55213863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520610085.5U Active CN205015268U (en) | 2015-08-13 | 2015-08-13 | Water quality analyzer's colorimetric device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205015268U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110261326A (en) * | 2019-07-15 | 2019-09-20 | 杭州德译医疗科技有限公司 | Detection probe base device |
-
2015
- 2015-08-13 CN CN201520610085.5U patent/CN205015268U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110261326A (en) * | 2019-07-15 | 2019-09-20 | 杭州德译医疗科技有限公司 | Detection probe base device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101793678B (en) | Spectrum measuring device and method of scattering substance of sample cell with isosceles triangle cross section | |
| CN101776572B (en) | Liquid refractive index CCD real-time measuring device and measuring method | |
| CN204556500U (en) | A kind of based on sharp light-struck device for measuring refractive index of transparent liquid | |
| CN102519915B (en) | Spectral measuring device and method for spectral haze of photovoltaic glass | |
| CN204807458U (en) | Quality of water heavy metal detection device based on quantum dot fluorescence membrane | |
| CN102507150A (en) | On-line real-time detection device of optical parameters, color parameters and electrical parameters of light emitting diode (LED) lamp | |
| CN102890067A (en) | Methanol gasoline quick detector based on near infrared rays | |
| CN201732058U (en) | Full-automatic liquid turbidity test instrument | |
| CN205015268U (en) | Water quality analyzer's colorimetric device | |
| CN101776571B (en) | Liquid refractive index real-time measuring device and on-line measuring method | |
| CN204064251U (en) | Transparent material thickness gauge | |
| CN203414404U (en) | Fiber-optic sensor probe | |
| CN105928905A (en) | Particulate matter backscattering coefficient polarization sensitivity measurement device | |
| CN202748008U (en) | Measurement apparatus for non-contact measurement of thickness of optical lens center | |
| CN102879096B (en) | System and method for measuring diffuse illumination reflection spectrum of dual-light path single grating | |
| CN206311075U (en) | A kind of heavy caliber Precise outline measuring system | |
| CN109406455A (en) | Liquid refractivity real-time monitoring device and its application based on hollow bragg fiber and cell phone platform | |
| CN202502042U (en) | Spectrophotometer darkroom device | |
| CN205262410U (en) | Multiple spot simultaneous measurement single face coated lens's coating film thickness device | |
| CN204924920U (en) | Color comparison proportioning device is cleared up in liquid sample | |
| CN204514473U (en) | Spectral measurement front end spectra collection device | |
| CN204116215U (en) | A kind of special cuvette of on-line real time monitoring luminosity spectroscope | |
| CN104316462A (en) | M-shaped long-optical path gas chamber | |
| CN203705334U (en) | Water quality detection device based on colorimetric method | |
| CN203191304U (en) | Optical path structure of dual-optical-path fiber optical spectrometer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |