CN2898814Y - Comparison cell for optically detecting liquid sampler - Google Patents
Comparison cell for optically detecting liquid sampler Download PDFInfo
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- CN2898814Y CN2898814Y CN 200620022840 CN200620022840U CN2898814Y CN 2898814 Y CN2898814 Y CN 2898814Y CN 200620022840 CN200620022840 CN 200620022840 CN 200620022840 U CN200620022840 U CN 200620022840U CN 2898814 Y CN2898814 Y CN 2898814Y
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Abstract
The utility model relates to a comparison cell for optically detecting liquid sampler. which comprises a container (1) provided with a fore plate (11) and a back plate (12) having an unchangeable relative position, a light-penetrable slot (2) is arranged between the fore plate and the back plate, the width of the slot (2) is suitable for that the slot can essentially be filled up by the liquid samples to be tested because of the capillary principle. The utility model has the advantages of that the use quantity of the liquid sample required by the optically detecting performed using the comparison cell is less, the cleaning is convenient and safe; in addition, the detecting for the liquid samples with low absorbance or low concentration can also be fulfilled.
Description
Technical field
The utility model relates to a kind of cuvette of fluid sample optical detection, particularly a kind of be used to contain carry the cuvette that the micro liquid sample carries out optical detection.
Background technology
The technological means that adopts optical detection to differentiate material is commonly used during microcosmic detects.Existing technical scheme is earlier testing sample solution to be placed the cup-shaped liquid container, and optical detection is carried out by optical detection apparatus in the back, judges the substance classes of institute's test sample product at last.The weak point of this scheme is: required sample size is more, needs 20 to 30 microlitre sample solutions at least; Simultaneously, after detection, need described cup-like containers is carried out manual cleaning, use inconvenience.
For solving the problem in the above-mentioned routine techniques, United States Patent (USP) 6,809,826 disclose the device that a kind of measuring principle of utilizing surface tension of liquid and spectroscopy is measured the micro liquid sample, this device has two detection platform, following detection platform is fixed on the device, and last detection platform is fixed on the pivot arm; Pivot arm one end and device hinge joint, pivot arm can be threaded to make-position and open position.Have the launching fiber that is oppositely arranged on the upper and lower detection platform and receive optical fiber.The other end of launching fiber is connected with the light emitting head; The other end that receives optical fiber is connected with optical receiver.During measurement, the liquid level tension force of fluid sample by self is sandwiched between two detection platform faces; The light of light emitting head penetrates by launching fiber, passes fluid sample and injects in the reception optical fiber, enters optical receiver at last.This surface tension of utilizing upper and lower detection platform and liquid remains on fluid sample the mode of detection position, it is few to have the required fluid sample consumption of detection, and also very convenient with the back to the cleaning of upper and lower detection platform, only need carry out simple wiping and get final product.Yet its weak point is: the fluid sample fluid column between upper and lower detection platform forms by the liquid level tension force of himself, so formed liquid-column height is subjected to considerable restraint, and the precision that the distance decision of light transmission fluid sample detects, so be unfavorable for the measurement and the judgement of the fluid sample of the low or low concentration of absorbance.
In addition, the upper and lower detection platform in the technique scheme needs the mode of manual wiping to clean, and for the fluid sample that contains objectionable impurities, then operating personnel is had certain danger.
The technology contents of utility model
For this reason, technical problem to be solved in the utility model is to propose that a kind of to detect required fluid sample consumption few, and convenient, the safe cuvette of cleaning; The technical matters of further solution of the present utility model is to satisfy the cuvette that absorbance fluid sample low or low concentration detects.
For solving the above-mentioned technical matters of utility model, the cuvette of fluid sample optical detection of the present utility model has the Sheng carrier; It is characterized in that containing carrier and have fixing header board of relative position and back plate, have the slot of a penetrable light between the described forward and backward plate, the width of described slot is suitable for detected fluid sample and because of the capillarity principle slot is filled up substantially therein.
Wherein a kind of embodiment, described slot are penetrating on described cuvette.
In another embodiment, described slot is penetrating up and down on described cuvette.
In the respective embodiments described above, the transparent and inwall of described forward and backward plate is bright and clean plane.
In another embodiment, the nontransparent and inwall of described forward and backward plate is bright and clean plane.
In the respective embodiments described above, the inwall of described forward and backward plate is parallel to each other.
In the respective embodiments described above, the two side ends of containing the above slot of carrier is respectively equipped with transparent lateral plate, and the forward and backward plate of containing carrier passes through fixedly relative position of described side plate.
In the above-mentioned embodiment, the inwall of described side plate is bright and clean plane.
In another embodiment, the both sides, upper end of described Sheng carrier are provided with a pair of tie-beam, and the forward and backward plate of described Sheng carrier passes through fixedly relative position of described a pair of tie-beam.
Technique scheme of the present utility model has the following advantages compared to existing technology: in (1) the utility model, according to the principle of capillarity fluid sample is placed the slot of containing carrier, reduced the consumption of fluid sample.In addition, when adopting existing optical detection apparatus to detect, the distance of light transmission fluid sample also is that the length of slot is unrestricted in theory, thereby can satisfy the detection of the fluid sample of the low or low concentration of absorbance.(2) in the utility model, during cleaning, can adopt gas or liquid, perhaps gas liquid mixture dashes slot and blows and can finish, and is convenient and safe, avoided direct contact.Slot is penetrating on described cuvette, and is penetrating especially up and down, is convenient to the fluid sample of annotating, and also is beneficial to cleaning more.(3) in the utility model, the inwall of forward and backward plate be arranged in parallel, is beneficial to the precision that improves optical detection.(4) in the utility model, forward and backward plate is transparent or nontransparent and its inwall is bright and clean plane, to satisfy the needs of various detection modes, also is beneficial to fluid sample and infiltrates slot, prevent the influence of the existence of residual bubble, also be beneficial to afterwards to containing the cleaning of carrier to optical detection.(5) in the utility model, contain carrier slot two side ends transparent side plate is set respectively, with fixing relative position and be convenient to detection.(6) in the utility model, the inwall of side plate is that bright and clean plane is beneficial to the raising accuracy of detection.(7) in the utility model, the both sides, upper end of containing carrier are provided with a pair of tie-beam, have realized that slot is penetrating at left and right directions and upper and lower, prevent the influence of side plate to accuracy of detection, both have been convenient to add fluid sample, are convenient to again clean.
Description of drawings
For the easier quilt of content of the present utility model is clearly understood, according to specific embodiment of the utility model also in conjunction with the accompanying drawings, the utility model is described in further detail, wherein below
Fig. 1 is the three-dimensional view of a kind of embodiment of the present utility model;
Fig. 2 be embodiment illustrated in fig. 1 in, the vertical view of described Sheng carrier;
Fig. 3 is the A-A cut-open view among Fig. 2;
The three-dimensional view of Fig. 4 another kind of embodiment of the present utility model;
Fig. 5 be embodiment illustrated in fig. 4 in, the right view of described Sheng carrier;
Fig. 6 is the C-C cut-open view among Fig. 5.
The three-dimensional view of Fig. 7 another kind of embodiment of the present utility model;
The three-dimensional view of Fig. 8 another kind of embodiment of the present utility model;
Embodiment
Embodiment one
Extremely shown in Figure 3 referring to Fig. 1, a kind of embodiment of the cuvette of fluid sample optical detection of the present utility model, the cuboid with glass material is contained carrier 1; Contain carrier 1 and form, and form the slot 2 of a linear in the inboard of above-mentioned each plate, and slot 2 is penetrating up and down on described Sheng carrier 1 by header board 11, left plate, back plate 12 and right plate welding successively.The width of slot 2 is narrow more, and capillarity is just obvious more.So according to different needs, the width of slot 2 can be arranged between 0.01 to 1 millimeter, its height can be arranged between 3 to 10 millimeters.The distance of light transmission fluid sample also is that the length of slot can be arranged between 3 to 10 millimeters, even longer, with the detection of the fluid sample that satisfies the low or low concentration of absorbance.In the present embodiment, the width of slot 2 is 0.03 millimeter, and length is 3 millimeters, highly is 3.5 millimeters.Header board 11 and the back plate 12 of wherein containing carrier 1 are black glass, and left plate and right plate are colourless transparent glass.The inwall of header board 11, back plate 12, left plate and right plate is bright and clean plane, and the inwall of header board 11 and back plate 12 is parallel to each other, and the inwall on left plate and right side is parallel to each other.
During use, the testing liquid sample is placed the upper end of the slot 2 of cuvette, fluid sample just infiltrates slot 2.See Fig. 2, when carrying out optical detection, the light emitting head and the optical receiver of existing optical detection apparatus are placed the left and right sides end of containing carrier 1 the above slot 2 respectively, the light that the light emitting head penetrates passes respectively in left plate, the slot that 2 fluid sample and right plate are laggard goes into optical receiver, and last optical detection apparatus is analyzed judgement to the contained material of fluid sample.During cleaning, the fluid sample in the slot is extracted out from its lower end with being arranged on the getter device of containing carrier 1 below.
The utility model can also have following modification on the basis of embodiment 1:
Embodiment two
Survey fluid sample for ease of detecting high concentration, make header board 11 and the back plate 12 of containing carrier 1 with colourless transparent glass, make left plate and right plate with black glass, the light emitting head of optical detection apparatus and optical receiver are placed the header board 11 of containing carrier 1 and the both sides of back plate 12 respectively, the light that the light emitting head penetrates passes the fluid sample and the back plate 12 of header board 11, slot interior 2 respectively, enter optical receiver at last, optical detection apparatus is analyzed judgement to the contained material of fluid sample then.
Embodiment three
See Fig. 4 to Fig. 6, as the another kind of embodiment of the cuvette of the fluid sample optical detection of utility model, the difference of itself and embodiment 1 is, contains carrier 1 and formed by header board 11, back plate 12 and the upside and the web member 3 mutual weldings between described header board 11, back plate 12 that are arranged on described slot 2.In this structure, the left and right directions and the below of described slot 2 are penetrating.In the present embodiment, the width of slot 2 is 0.01 millimeter, and length is 5 millimeters, highly is 10 millimeters.Header board 11, epipleural 3 and the back plate 12 of wherein containing carrier 1 are black glass.Header board 11 is bright and clean plane with back plate 12 inwalls and its inwall is parallel to each other.
During use, cuvette is placed the upper end of testing liquid sample, fluid sample just rises to enough height along slot 2 after soaking into and containing carrier 1 bottom.During optical detection, the light emitting head and the optical receiver of optical detection apparatus are placed slot 2 two ends of containing carrier 1 respectively, the light that the light emitting head penetrates passes that fluid sample in the slot 2 is laggard goes into optical receiver, and last optical detection apparatus is judged the contained material of fluid sample.During cleaning, the fluid sample in the slot is blown out with being arranged on the air-blast device of containing carrier 1 left side.
Survey fluid sample for ease of detecting high concentration, contain the header board 11 and the back plate 12 of carrier 1 and select colourless transparent glass, the light emitting head of optical detection apparatus and optical receiver are placed the header board 11 of containing carrier 1 and the two side ends of back plate 12 respectively, the light that the light emitting head penetrates passes the fluid sample and the back plate 12 of header board 11, slot interior 2 respectively, enter optical receiver at last, optical detection apparatus is analyzed judgement to the contained material of fluid sample then.
Certainly, in the above-described embodiments, the section configuration between header board 11 and back plate 12 inwalls can be up big and down small trapezoidal shape, perhaps is curved shape or the like longitudinally.
Embodiment four
See Fig. 7, as the another kind of embodiment of utility model, the difference of itself and embodiment 3 is, contains carrier 1 and formed by header board 11, back plate 12 and a pair of tie-beam 13 mutual weldings that are arranged on the both sides, upper end of described Sheng carrier 1.
In this structure, the left and right directions and the upper and lower of described slot 2 are penetrating.Header board 11 and the back plate 12 of wherein containing carrier 1 are black glass.
During use, the testing liquid sample is placed the upper end of the slot 2 of containing carrier 1, according to the principle of capillarity, fluid sample fills up slot 2 gradually.See Fig. 7, during optical detection, the light emitting head of optical detection apparatus and optical receiver are placed slot 2 two ends of containing carrier 1 respectively, and the light that the light emitting head penetrates passes in the slot that 2 fluid sample is laggard goes into optical receiver, and last optical detection apparatus is judged the contained material of fluid sample.During cleaning, the fluid sample in the slot is blown out with being arranged on the air-blast device of containing carrier 1 left side.
For ease of detecting the fluid sample of higher concentration, contain the header board 11 and the back plate 12 of carrier 1 and select colourless transparent glass, the light emitting head and the optical receiver of optical detection apparatus are placed the header board 11 and plate 12 both sides, back of containing carrier 1 respectively, the light that the light emitting head penetrates passes the fluid sample and the back plate 12 of header board 11, slot interior 2 respectively, enter optical receiver at last, optical detection apparatus is judged the contained material of fluid sample then.
Certainly, in the above-described embodiments, the section configuration between header board 11 and back plate 12 inwalls can be up big and down small trapezoidal shape, perhaps is curved shape or the like longitudinally.
Embodiment five
Fig. 8 is another distortion on embodiment 4 bases, and its structure and using method are substantially the same manner as Example 4.
Obviously, the foregoing description of the present utility model only is for the utility model example clearly is described, and is not to be qualification to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all embodiments.And these belong to conspicuous variation or the change that spirit of the present utility model extended out and still are among the protection domain of the present utility model.
Claims (9)
1. the cuvette of a fluid sample optical detection has Sheng carrier (1); It is characterized in that containing carrier (1) and have fixing header board (11) of relative position and back plate (12), the slot (2) that has a penetrable light between the described forward and backward plate, the width of described slot (2) are suitable for detected fluid sample and because of the capillarity principle slot (2) are filled up substantially therein.
2. according to the cuvette of the described fluid sample optical detection of claim 1, it is characterized in that described slot (2) is penetrating on described Sheng carrier (1).
3. according to the cuvette of the described fluid sample optical detection of claim 2, it is characterized in that described slot (2) on described Sheng carrier (1), is penetrating up and down.
4. according to the cuvette of the described fluid sample optical detection of claim 1, it is characterized in that the transparent and inwall of described forward and backward plate is bright and clean plane.
5. according to the cuvette of the described fluid sample optical detection of claim 1, it is characterized in that the nontransparent and inwall of described forward and backward plate is bright and clean plane.
6. according to the cuvette of the described fluid sample optical detection of one of claim 1 to 5, it is characterized in that the inwall of described forward and backward plate is parallel to each other.
7. according to the cuvette of the described fluid sample optical detection of one of claim 1 to 5, it is characterized in that the two side ends of containing the above slot of carrier (1) (2) is respectively equipped with transparent lateral plate, the forward and backward plate of containing carrier (1) passes through fixedly relative position of described side plate.
8. according to the cuvette of the described fluid sample optical detection of claim 7, the inwall that it is characterized in that described side plate is bright and clean plane.
9. according to the cuvette of the described fluid sample optical detection of claim 1-5, it is characterized in that the both sides, upper end of containing carrier (1) are provided with a pair of tie-beam (13), the forward and backward plate of described Sheng carrier (1) passes through fixedly relative position of described a pair of tie-beam (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620022840 CN2898814Y (en) | 2006-03-17 | 2006-03-17 | Comparison cell for optically detecting liquid sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620022840 CN2898814Y (en) | 2006-03-17 | 2006-03-17 | Comparison cell for optically detecting liquid sampler |
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| Publication Number | Publication Date |
|---|---|
| CN2898814Y true CN2898814Y (en) | 2007-05-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200620022840 Expired - Fee Related CN2898814Y (en) | 2006-03-17 | 2006-03-17 | Comparison cell for optically detecting liquid sampler |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105300886A (en) * | 2015-11-13 | 2016-02-03 | 福建师范大学 | Integrated infrared liquid sample cell device and infrared sample cell |
| CN105352892A (en) * | 2015-11-13 | 2016-02-24 | 福建师范大学 | A continuous-injection type infrared liquid sample chamber device and an infrared sample chamber |
| CN107250763A (en) * | 2014-12-10 | 2017-10-13 | 南澳大学 | A kind of cuvette applied to spectroscopy |
| CN107621451A (en) * | 2017-11-30 | 2018-01-23 | 河海大学 | Highly concentrated solution absorbance measuring device and measuring method based on capillarity |
-
2006
- 2006-03-17 CN CN 200620022840 patent/CN2898814Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107250763A (en) * | 2014-12-10 | 2017-10-13 | 南澳大学 | A kind of cuvette applied to spectroscopy |
| CN105300886A (en) * | 2015-11-13 | 2016-02-03 | 福建师范大学 | Integrated infrared liquid sample cell device and infrared sample cell |
| CN105352892A (en) * | 2015-11-13 | 2016-02-24 | 福建师范大学 | A continuous-injection type infrared liquid sample chamber device and an infrared sample chamber |
| CN107621451A (en) * | 2017-11-30 | 2018-01-23 | 河海大学 | Highly concentrated solution absorbance measuring device and measuring method based on capillarity |
| CN107621451B (en) * | 2017-11-30 | 2019-10-25 | 河海大学 | Highly concentrated solution absorbance measuring device and measuring method based on capillary phenomenon |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING LIUHE HUADA GENOMICS TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: HUADA GENE RESEARCH CENTER, BEIJING Effective date: 20080905 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20080905 Address after: Room 2166, worry free harbour, Qinghe Anning, Qinghe, Beijing, Haidian District: 100086 Patentee after: Beijing Liuhe BGI Science and Technology Co., Ltd. Address before: Shunyi District Beijing air port science and Technology Pioneer Park B-6, postcode: 101300 Patentee before: Huada Gene Research Center, Beijing |
|
| DD01 | Delivery of document by public notice |
Addressee: Beijing Liuhe BGI Science and Technology Co., Ltd. Document name: Notification to Pay the Fees |
|
| DD01 | Delivery of document by public notice |
Addressee: Beijing Liuhe BGI Science and Technology Co., Ltd. Document name: Notification of Termination of Patent Right |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070509 Termination date: 20140317 |