CN202256141U - Double-optical path high-sensitivity color comparison device - Google Patents
Double-optical path high-sensitivity color comparison device Download PDFInfo
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- CN202256141U CN202256141U CN2011203134635U CN201120313463U CN202256141U CN 202256141 U CN202256141 U CN 202256141U CN 2011203134635 U CN2011203134635 U CN 2011203134635U CN 201120313463 U CN201120313463 U CN 201120313463U CN 202256141 U CN202256141 U CN 202256141U
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Abstract
A double-optical path high-sensitivity color comparison device mainly comprises two right-angle trapezoid supports, a completely reflecting mirror with a small hole in the middle part, a light source system module, a light receiving system module, a reference light system module, a colorimetric utensil and a completely reflecting mirror module, wherein a through hole is respectively arranged along the central horizontal directions and the central vertical directions of the two right-angle trapezoid supports, the completely reflecting mirror with the small hole in the middle part is installed at the center of the inclined waist plane of the first right-angle trapezoid support, the other right-angle trapezoid support and the inclined waist plane of the first right-angle trapezoid support are spliced and combined into a rectangular support, the protruding parts of the light source system module and the reference light system module are respectively fixed with the horizontal through hole and the vertical through hole of the first right-angle trapezoid support, and the protruding part of the light receiving system module is fixed with the through hole at the vertical direction of the other right-angle trapezoid support; and the completely reflecting mirror module is installed to be opposite to the completely reflecting mirror with the small hole in the middle part, and the colorimetric utensil is installed between the completely reflecting mirror with the small hole in the middle part and the completely reflecting mirror module.
Description
Technical field
The utility model relates to the colorimetric device of field of environment protection water quality online automatic monitor, relates in particular to a kind of pair of light path high sensitivity colorimetric device.
Background technology
Organic concentration is an important indicator of surface water such as control river, lake and factory, institute of enterprises and institutions sewage effluent, waste water quality in the monitoring water; At present; Organic concentration adopts colorimetric device usually in the water quality online automatic monitor monitoring water; The similar spectrophotometer structure of colorimetric device in the water quality online automatic monitor; This device utilizes spectrophotometric principles to monitor organic concentration in the water: it is the absorption of light of utilizing molecule or a certain wavelength coverage of ion pair of material; Material is carried out qualitative analysis, quantitative test and structure analysis, and the spectrum of institute's foundation is the light of specific wavelength in molecule or the ionic absorption incident light and the absorption spectrum that produces; But in the prior art; Employed colorimetric device all is the monochromatic light journey; Be light emitted in a side, light-receiving is at opposite side, light beam only passes through cuvette once; The luminous effect of measured matter is just passed through the effect of a light beam, so the colorimetric device of prior art all is being short of on the degree of accuracy, in the sensitivity and on the reliability to some extent.
For example the patent No. is the colorimetric device of the COD measurement of CN201569630U, comprises luminotron, photoelectric cell, support, glass tube, heater strip and reception photoelectric cell; During work, the chemical reagent of reaction enters into glass tube through tubule, heater strip energising, thereby the chemical reagent in the heating glass pipe heating glass pipe, and heating-up temperature reaches when setting, and keeps a period of time, starts luminotron, photoelectric cell and reception photoelectric cell.Luminotron sends the light of special wavelength, regulates the electric current of luminotron, thereby the voltage that makes photoelectric cell produce is certain value, records and receives photronic reception voltage, is gained measuring light magnitude of voltage.Thereby calculate the value of COD.Traditional monochromatic light journey cuvette device is adopted in this invention, and light source is in a side, and light-receiving is at opposite side; Light beam only passes through glass tube once; Just through the effect of a light beam, colorimetric device sensitivity is not high for the luminous effect of measured matter, and the luminous effect of measured matter is not high yet.
Therefore the utility model provides a kind of pair of light path high sensitivity colorimetric device, has overcome the defective that prior art exists.
Summary of the invention
The utility model provides a kind of pair of light path high sensitivity colorimetric device to colorimetric device degree of accuracy of the prior art, sensitivity and the not high defective of reliability.
A kind of pair of light path high sensitivity colorimetric device is characterized in that: mainly by right-angled trapezium support A, right-angled trapezium support B, centre have aperture completely reflecting mirror 7, light-source system module 6, receive photosystem module 9, form with reference to photosystem module 1, cuvette 11 and completely reflecting mirror module 12; Said light-source system module 6 is the convex shape structure of horizontal positioned, and receiving photosystem module 9 is inverted convex shape structure, is the convex shape structure with reference to photosystem module 1; Said right-angled trapezium support A and said right-angled trapezium support B respectively are processed with the through hole of certain width along the center respectively in the horizontal direction with on the vertical direction; The completely reflecting mirror 7 that said centre has an aperture is installed in the oblique girdle plane of said right-angled trapezium support A in the heart; And it is corresponding with the horizontal through hole of said right-angled trapezium support A; The oblique girdle plane of said right-angled trapezium support A and said right-angled trapezium support B oblique girdle plane are through the synthetic rectangular parallelepiped support of bolt amalgamation fixation group, and the horizontal through hole of the aperture of the completely reflecting mirror 7 that the horizontal through hole of said right-angled trapezium support A, centre have aperture, right-angled trapezium support B point-blank; Said light-source system module 6 left end outshots are inserted in the horizontal through hole of said right-angled trapezium support A, are fixed together with said right-angled trapezium support A; Said reception photosystem module 9 lower end outshots are inserted in the through hole of vertical direction of said right-angled trapezium support B, are fixed together with said right-angled trapezium support B; Saidly be inserted in the vertical through hole of said right-angled trapezium support A, be fixed together with said right-angled trapezium support A with reference to photosystem module 1 upper end outshot; Said completely reflecting mirror module 12 is installed in the right opposite that said centre has the completely reflecting mirror 7 of aperture, and said cuvette 11 is installed between the completely reflecting mirror 7 and said completely reflecting mirror module 12 that said centre has aperture.
Description of drawings
Shown in Figure 1 is two light path high sensitivity colorimetric device structural drawing
Shown in Figure 2 is two light path high sensitivity colorimetric device index paths
Embodiment
Shown in Figure 1 is two light path high sensitivity colorimetric device structural drawing, and comprising: with reference to photosystem module 1, lower shield 2 is with reference to photosystem supporting seat 3; Light-source system supporting seat 4, light source 5, light-source system module 6, the centre has the completely reflecting mirror 7 of aperture; Receive photosystem supporting seat 8, receive photosystem module 9, upper shield 10, cuvette 11; Completely reflecting mirror module 12, completely reflecting mirror supporting seat 13, completely reflecting mirror 14; Selenium cell X, selenium cell Y, biconvex lens a, biconvex lens b, biconvex lens c, right-angled trapezium support A, right-angled trapezium support B.
Two light path high sensitivity colorimetric devices of the utility model mainly by right-angled trapezium support A, right-angled trapezium support B, centre have aperture completely reflecting mirror 7, light-source system module 6, receive photosystem module 9, form with reference to photosystem module 1, cuvette 11 and completely reflecting mirror module 12; Wherein light-source system module 6 is the convex shape structure of horizontal positioned, and receiving photosystem module 9 is inverted convex shape structure, is the convex shape structure with reference to photosystem module 1; Wherein right-angled trapezium support A and right-angled trapezium support B are respectively along the through hole that respectively is processed with certain width on the central horizontal direction and on the vertical direction; The completely reflecting mirror 7 that the centre has an aperture is installed in the oblique girdle plane of right-angled trapezium support A in the heart; And it is corresponding with the horizontal through hole of right-angled trapezium support A; The oblique girdle plane of right-angled trapezium support A and right-angled trapezium support B oblique girdle plane be through the synthetic rectangular parallelepiped support of bolt amalgamation fixation group, this moment right-angled trapezium support A horizontal through hole, completely reflecting mirror 7 that the centre has aperture aperture, right-angled trapezium support B horizontal through hole point-blank; Light-source system module 6 is mainly by light source 5, biconvex lens b; Light-source system supporting seat 4 is formed, and wherein light-source system supporting seat 4 left side outshots are designed with an inner groovy, are used to place biconvex lens b; Light-source system supporting seat 4 right sides are designed with an inner groovy; Be used to place between 5, two grooves of light source and communicate, biconvex lens b is installed in the left groove of light-source system supporting seat 4 through a light path hole; Light source 5 is installed in light-source system supporting seat 4 right groove, and is fixed on the along of biconvex lens b; The light-source system module 6 left end outshots that assembling is accomplished are inserted in the horizontal through hole of right-angled trapezium support A, and A is fixed together with the right-angled trapezium support; Receiving photosystem module 9 mainly is made up of reception photosystem supporting seat 8, biconvex lens c, upper shield 10, selenium cell Y; Receive photosystem supporting seat 8 along the through hole that is designed with certain width on the central vertical direction; Be used to place biconvex lens c and selenium cell Y; Wherein biconvex lens c is inserted in the through hole from receiving photosystem supporting seat 8 lower end outshots, and selenium cell Y is inserted in the through hole from the upper end that receives photosystem supporting seat 8, and is fixed on the along of biconvex lens c; Be used to prevent that selenium cell Y from receiving upper shield 10 that factor such as temperature disturbs and being enclosed within and receiving photosystem supporting seat 8, make upper shield 10 and receive photosystem supporting seat 8 and connect as one; The reception photosystem module 9 lower end outshots that assembling is accomplished are inserted in the through hole of vertical direction of right-angled trapezium support B, and B is fixed together with the right-angled trapezium support; With reference to photosystem module 1 mainly by forming with reference to photosystem supporting seat 3, biconvex lens a, selenium cell X, lower shield 2; Be designed with the through hole of certain width along the central vertical direction with reference to photosystem supporting seat 3; Be used to place biconvex lens a and selenium cell X; Wherein biconvex lens a inserts in the through hole from the upper end outshot with reference to photosystem supporting seat 3, and selenium cell X inserts in the through hole from the lower end with reference to photosystem supporting seat 3, and is fixed on the along of biconvex lens a; Be used to prevent that selenium cell X from receiving the lower shield 2 that factor such as temperature disturbs and being enclosed within reference to photosystem supporting seat 3, make lower shield 2 and connect as one with reference to light supporting seat 3; Be inserted in the right-angled trapezium support A vertical through hole with reference to photosystem module 1 upper end outshot what assembling was accomplished, A is fixed together with the right-angled trapezium support; Completely reflecting mirror module 12 mainly is made up of completely reflecting mirror supporting seat 13 and completely reflecting mirror 14; The right opposite that has the completely reflecting mirror 7 of aperture in the middle of completely reflecting mirror module 12 is installed in; The right side of completely reflecting mirror supporting seat 13 is designed with an inner groovy, is used to install completely reflecting mirror 14; In the middle of being installed in, cuvette 11 has between the completely reflecting mirror 7 and completely reflecting mirror module 12 of aperture; The completely reflecting mirror 7 that has aperture in the middle of the utility model becomes the miter angle direction to install with light path, and the installation site is positioned at the along of biconvex lens a, biconvex lens b, biconvex lens c.Have in the middle of the utility model the completely reflecting mirror 7 of aperture aperture and light source 5, biconvex lens b, completely reflecting mirror 14 light path point-blank.
Shown in Figure 2 is two light path high sensitivity colorimetric device index paths, during work, and light source 5 emission light beams; Light beam is through biconvex lens b converging beam and penetrate, has on the completely reflecting mirror 7 of aperture in the middle of arriving, the completely reflecting mirror 7 that the centre has an aperture with a part of beam reflection to biconvex lens a; Biconvex lens a converging beam also is mapped to light beam on the selenium cell X; Selenium cell X receiving beam, and convert light signal to electric signal, obtain output voltage U 1; The aperture that has the completely reflecting mirror 7 of aperture in the middle of another part light beam passes through cuvette 11, arrives completely reflecting mirror 14 then; Light beam returns along light path through completely reflecting mirror 14 reflection backs, passes through cuvette 11 once more, and then has on the completely reflecting mirror 7 of aperture in the middle of arriving; The completely reflecting mirror 7 that the centre has an aperture with beam reflection to biconvex lens c, biconvex lens c converging beam and with beam emissions to selenium cell Y, selenium cell Y receiving beam; And convert light signal to electric signal; Obtain output voltage U 2, so just realized two light path colorimetrics, can calculate the concentration of measured matter then according to formula.The utility model adopts two light path colorimetric devices to make light beam successively pass cuvette twice, has improved the sensitivity and the degree of accuracy of colorimetric device.
Two light path high sensitivity colorimetric devices of the utility model have the following advantages:
1. adopt two light path colorimetric devices, improved sensitivity, the accuracy and reliability of colorimetric device;
The utility model with colorimetric device be divided into completely reflecting mirror, light-source system module that two right-angled trapezium supports, centres have aperture, receive the photosystem module, with reference to eight parts such as photosystem module, completely reflecting mirror module, cuvettes; Make the utility model simple in structure; Easy for installation, also reduced cost simultaneously.
3. the hole diameter that has the completely reflecting mirror of aperture in the middle of the utility model is 5 millimeters, can realize best spectrophotometric result.
Embodiment disclosed herein is exemplary, and it only is for explanation that the utility model is made an explanation, and is not the restriction to the utility model, and improvement that those skilled in the art will envision that and expansion are included within the protection domain of the utility model.
Claims (9)
1. two light path high sensitivity colorimetric device is characterized in that: mainly by right-angled trapezium support (A), right-angled trapezium support (B), centre have aperture completely reflecting mirror (7), light-source system module (6), receive photosystem module (9), form with reference to photosystem module (1), cuvette (11) and completely reflecting mirror module (12); Said light-source system module (6) is the convex shape structure of horizontal positioned, and receiving photosystem module (9) is inverted convex shape structure, is the convex shape structure with reference to photosystem module (1); Said right-angled trapezium support (A) and said right-angled trapezium support (B) respectively are processed with the through hole of certain width along the center respectively in the horizontal direction with on the vertical direction; The completely reflecting mirror (7) that said centre has an aperture is installed in the oblique girdle plane of said right-angled trapezium support (A) in the heart; And it is corresponding with the horizontal through hole of said right-angled trapezium support (A); The oblique girdle plane of said right-angled trapezium support (A) and said right-angled trapezium support (B) oblique girdle plane are through the synthetic rectangular parallelepiped support of bolt amalgamation fixation group, and the aperture of the completely reflecting mirror (7) that the horizontal through hole of said right-angled trapezium support (A), centre have aperture, the horizontal through hole of right-angled trapezium support (B) are point-blank; Said light-source system module (6) left end outshot is inserted in the horizontal through hole of said right-angled trapezium support (A), is fixed together with said right-angled trapezium support (A); Said reception photosystem module (9) lower end outshot is inserted in the through hole of vertical direction of said right-angled trapezium support (B), is fixed together with said right-angled trapezium support (B); Saidly be inserted in said right-angled trapezium support (A) vertical through hole, be fixed together with said right-angled trapezium support (A) with reference to photosystem module (1) upper end outshot; Said completely reflecting mirror module (12) is installed in the right opposite of the completely reflecting mirror (7) that said centre has aperture, and said cuvette (11) is installed between the completely reflecting mirror (7) and said completely reflecting mirror module (12) that said centre has aperture.
2. a kind of pair of light path high sensitivity colorimetric device according to claim 1; It is characterized in that: said light-source system module (6) is mainly by light source (5), biconvex lens (b); Light-source system supporting seat (4) is formed, and said light-source system supporting seat (4) left side outshot is designed with an inner groovy, is used to place said biconvex lens (b); Said light-source system supporting seat (4) right side is designed with an inner groovy; Be used to place said light source (5), communicate through a light path hole between two grooves, with said biconvex lens (b) through being bolted in said light-source system supporting seat (4) left groove; Said light source (5) is installed in said light-source system supporting seat (4) right groove, and is fixed on the along of said biconvex lens (b).
3. a kind of pair of light path high sensitivity colorimetric device according to claim 1; It is characterized in that: said reception photosystem module (9) mainly is made up of reception photosystem supporting seat (8), biconvex lens (c), upper shield (10), selenium cell (Y); Said reception photosystem supporting seat (8) is along the through hole that is designed with certain width on the central vertical direction; Be used to place said biconvex lens (c) and said selenium cell (Y); Outshot is inserted in the through hole from said reception photosystem supporting seat (8) lower end with said biconvex lens (c); Said selenium cell (Y) is inserted in the through hole from the upper end of said reception photosystem supporting seat (8), and is fixed on the along of said biconvex lens (c), then said upper shield (10) is enclosed within on the said reception photosystem supporting seat (8).
4. a kind of pair of light path high sensitivity colorimetric device according to claim 1; It is characterized in that: said with reference to photosystem module (1) mainly by forming with reference to photosystem supporting seat (3), biconvex lens (a), selenium cell (X), lower shield (2); The said through hole that is designed with certain width with reference to photosystem supporting seat (3) along the central vertical direction; Be used to place said biconvex lens (a) and said selenium cell (X); Said biconvex lens (a) is inserted in the through hole from said upper end outshot with reference to photosystem supporting seat (3); Said selenium cell (X) inserts in the through hole from said lower end with reference to photosystem supporting seat (3), and is fixed on the along of said biconvex lens (a), then said lower shield (2) is enclosed within said with reference on the photosystem supporting seat (3).
5. a kind of pair of light path high sensitivity colorimetric device according to claim 1; It is characterized in that: said completely reflecting mirror module (12) mainly is made up of completely reflecting mirror supporting seat (13) and completely reflecting mirror (14) two parts; The right side of said completely reflecting mirror supporting seat (13) is designed with an inner groovy, is used to install completely reflecting mirror (14).
6. a kind of pair of light path high sensitivity colorimetric device according to claim 1 is characterized in that: said centre have the completely reflecting mirror (7) of aperture aperture and biconvex lens (b), light source (5), completely reflecting mirror (14) light path point-blank.
7. a kind of pair of light path high sensitivity colorimetric device according to claim 1 is characterized in that: the hole diameter that said centre has the completely reflecting mirror (7) of aperture is 5 millimeters.
8. a kind of pair of light path high sensitivity colorimetric device according to claim 1 is characterized in that: completely reflecting mirror (7) installation site that said centre has an aperture is positioned at the along of said biconvex lens (a), said biconvex lens (b) and said biconvex lens (c).
9. a kind of pair of light path high sensitivity colorimetric device according to claim 1 is characterized in that: the completely reflecting mirror (7) that said centre has aperture becomes the miter angle direction to install with light path.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011203134635U CN202256141U (en) | 2011-08-26 | 2011-08-26 | Double-optical path high-sensitivity color comparison device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011203134635U CN202256141U (en) | 2011-08-26 | 2011-08-26 | Double-optical path high-sensitivity color comparison device |
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| CN202256141U true CN202256141U (en) | 2012-05-30 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102359940A (en) * | 2011-08-26 | 2012-02-22 | 广州市怡文环境科技股份有限公司 | Double-optical path and high-sensitivity colorimetric device and method thereof for detecting substance concentration |
| CN106323873A (en) * | 2016-10-11 | 2017-01-11 | 桂林电子科技大学 | Transmitting/reflecting-combined fluorescent multiplication cuvette |
-
2011
- 2011-08-26 CN CN2011203134635U patent/CN202256141U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102359940A (en) * | 2011-08-26 | 2012-02-22 | 广州市怡文环境科技股份有限公司 | Double-optical path and high-sensitivity colorimetric device and method thereof for detecting substance concentration |
| CN102359940B (en) * | 2011-08-26 | 2014-10-22 | 广州市怡文环境科技股份有限公司 | Double-optical path and high-sensitivity colorimetric device and method thereof for detecting substance concentration |
| CN106323873A (en) * | 2016-10-11 | 2017-01-11 | 桂林电子科技大学 | Transmitting/reflecting-combined fluorescent multiplication cuvette |
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Address after: 510730 Guangzhou economic and Technological Development Zone, Guangdong City, South Road, No. three, No. 12 Patentee after: Yiwen Environmental Science Technology Co., Ltd. Address before: 3 building, B building, No. 885 Shenzhou Road, Guangzhou Science City, Guangdong, Guangzhou, Luogang District 510335, China Patentee before: Yiwen Environmental Science Technology Co., Ltd. |
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Addressee: Guangzhou Yiwen Environmental Technology Co.,Ltd. The person in charge Document name: Notice of termination of patent right |
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Granted publication date: 20120530 Termination date: 20200826 |