CN202974854U - Photoelectric detecting device and hydrazine analysis meter - Google Patents
Photoelectric detecting device and hydrazine analysis meter Download PDFInfo
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- CN202974854U CN202974854U CN 201220549056 CN201220549056U CN202974854U CN 202974854 U CN202974854 U CN 202974854U CN 201220549056 CN201220549056 CN 201220549056 CN 201220549056 U CN201220549056 U CN 201220549056U CN 202974854 U CN202974854 U CN 202974854U
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- cuvette
- light source
- receiver
- detection system
- photoelectric detection
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Abstract
The utility model provides a photoelectric detecting device, comprising a support, a cuvette, a light source and a receiver, wherein the cuvette is fixed in the middle of the support in a threaded connection manner; and the light source and the receiver are fixed on the support and are positioned on two sides of the cuvette. The utility model further provides a hydrazine analysis meter provided with the photoelectric detecting device structure. Because the cuvette in the photoelectric detecting device is fixed on the support by the threaded connection manner, the structure is easy to disassemble and the cuvette is convenient to clean and maintain by manpower.
Description
Technical field
The utility model relates to the hydrazine analytical technology, relates in particular to a kind of photoelectric detection system and hydrazine analyser for the hydrazine analysis.
Background technology
Mainly adopt at present colourimetry as main measuring method in the hydrazine analyser.The measuring principle of colourimetry is: under acid condition, hydrazine is with reaction generates yellow azo-compound to dimethylbenzaldehyde, the content of the degree of depth of yellow and hydrazine is proportional in measurement range, meet Lambert-Beer's law, and the maximum absorption wavelength of azo-compound is 454nm, therefore can obtain the content of hydrazine by measuring the yellow degree of depth.The device of realizing at present colourimetry is mainly photoelectric detection system, this device mainly comprises: cuvette, monochromatic source, receiver, when measuring, react in cuvette with hydrazine with to dimethylbenzaldehyde, then monochromatic source is sent light beam from a side of cuvette, this Shu Guang passes the receiver that is arranged on the cuvette opposite side after cuvette and receives, and namely can know the content of hydrazine by analyzing the light signal that receiver receives.In above-mentioned, cuvette has binding part, and cuvette is fixed on support component by the mode of this binding part with bonding.Utility model people finds in actual applications: the binding part of cuvette is very firm, withstand voltage can anti-several atmospheric pressure, so this cuvette is not easy to pull down from support component, is difficult to clean and maintenance work.
The utility model content
In view of this, the utility model provides photoelectric detection system and hydrazine analyser.This photoelectric detection system is fixed on bearing by the mode that is spirally connected, easily dismounting, convenient artificial later maintenance.
A kind of photoelectric detection system that the utility model provides, comprise: bearing, cuvette, light source and receiver, described cuvette is fixed on the centre of described bearing in the mode that is threaded, described light source and receiver are fixed on described bearing, and is positioned at the both sides of described cuvette.
Further, also comprise: be positioned at the cover plate directly over described cuvette, have injection port on described cover plate, have overflow vent and sewage draining exit on described cuvette, described overflow vent and sewage draining exit are all with connecing mouth.
Further, described cuvette is: quartz glass material cuvette.
Further, have a light source mounting hole and receiver mounting hole on described bearing, described light source mounting hole and receiver mounting hole are coaxial, and described light source is crimped in described light source mounting hole by light source fixing part, and described receiver is crimped in described receiver mounting hole by the receiver fixture.
Further, also comprise: O type circle, described O type circle is arranged in the groove of described light source fixing part and receiver fixture, with described light source, receiver and cuvette sealing.
Further, for the magnetic stirrer that solution in described cuvette is stirred, and described magnetic stirrer is fixed on described bearing.
Further, described magnetic stirrer comprises: direct current motor, magnet and stirrer, described direct current motor is fixed on described bearing, described magnet is positioned at the output terminal of described direct current motor, described stirrer is placed in described cuvette, described direct current motor drives described magnet rotation, realizes the rotation of described stirrer under the drive in magnetic field.
The utility model also provides a kind of hydrazine analyser, comprising: hydrazine analyser body and the photoelectric detection system that is fixed on described hydrazine analyser body, this photoelectric detection system is the described photoelectric detection system of above-mentioned middle any one.
The beneficial effects of the utility model:
The mode that is threaded connection due to cuvette (for example: adopt screw) is fixed on described bearing, so it compares with existing bonding fixed form, more easily realizes the dismounting of cuvette, facilitates the contrast colors ware clean and safeguard.
In addition, coaxial light source mounting hole and receiver mounting hole are set on bearing, by light source fixing part, light source is crimped in light source mounting hole, by the receiver fixture, receiver is crimped on mode in the receiver mounting hole, can guarantee the collimation of the light path that light source and receiver consist of, and light path is more straight, more can obtain Photoelectric Detection result accurately.
In addition, for the solution in cuvette, adopt the magnetic stirrer technology, but not the existing technology that stirs from cuvette bottom injection air, the mixing effect that it can obtain is avoided measurement result is produced unfavorable interference.
Description of drawings
Below in conjunction with drawings and Examples, the utility model is further described:
The structural representation of the embodiment of Fig. 1 photoelectric detection system of the present utility model.
Fig. 2 is index path of the present utility model.
Embodiment
As Fig. 1 and 2, the embodiment of the photoelectric detection system that the utility model proposes mainly comprises: bearing 1, cuvette 2, light source 3, receiver 4 and magnetic stirrer 7.
Wherein, bearing 1 and cuvette 2 all adopt integral structure, to strengthen steadiness.Cuvette 2 adopts the mode that is threaded to be fixed on the centre of bearing 1, for example: cuvette 2 is fixed by screws on bearing 1, can design in advance one or more mounting holes during specific implementation on bearing 1, then by screw, cuvette 2 is fixed on this mounting hole, to realize cuvette 2 is fixed on the centre of bearing 1.The benefit of the mode that employing is threaded is: when guaranteeing the constant intensity of cuvette 2, conveniently cuvette 2 is disassembled from bearing 1, to facilitate contrast colors ware 2 and clean and safeguard.
Wherein, cuvette 2 has overflow vent 8 and a sewage draining exit, and this overflow vent 8 and sewage draining exit are used for connecting with external connecting pipe all with connecing mouth.By overflow vent 8, solution excessive in cuvette 2 can flow out thus, and the internal diameter of this overflow vent 8 can be arranged on about 7.5 to 8.5mm, to strengthen the overflow effect.This sewage outfalls setting is at the lowermost end of cuvette 2 inner chambers, to guarantee arranging up hill and dale waste liquid in light cuvette 2 by sewage draining exit.Further, also have a cover plate 6 directly over cuvette 2, this cover plate can be fastened on cuvette, with the opening of sealing cuvette.Has the fixing injection port of sample water sample feeding pipe and reagent sample feeding pipe on cover plate 6; By injection port, water and reagent etc. can flow in cuvette 2, is mixed into solution.Preferably, cuvette 2 can be quartz glass material cuvette, this quartz glass can be selected the quartz glass with following characteristic: hardness is large, high temperature resistant, expansion coefficient is low, resistance to heat shocks, chemical stability and general acid is had acid resistance etc. preferably, employing has the quartz glass cuvette of above-mentioned characteristic, can ensure monochromatic transmissivity and the stability of the parallel plate that sees through cuvette both sides.
Wherein, light source 3 and receiver 4 are fixed on bearing 1, are positioned at the both sides of cuvette 2.Particularly, have a light source mounting hole and receiver mounting hole on bearing 1, this light source mounting hole and receiver mounting hole are coaxial, and light source 3 is crimped in light source mounting hole by light source fixing part, and receiver 4 is crimped in the receiver mounting hole by the receiver fixture; Due to light source mounting hole and the receiver mounting hole coaxial, therefore by after above-mentioned mounting means, can guarantee that the monochromatic light of light source 3 ejaculations is by after cuvette 2, collimation and the stability of the light path that received device 4 receives, namely guarantee collimation and the stability of light path, thereby improve the accuracy of photoelectric colorimetry testing result.Further, above-mentioned photoelectric detection system can also comprise: O type circle, be provided with groove in light source mounting hole and receiver mounting hole, O type circle is arranged in the groove of light source fixing part and receiver fixture, with light source, receiver and cuvette sealing, to get rid of the possibility of knot mist, reduce external environment condition to the interference of measurement result.
Wherein, magnetic stirrer 7, the solution that is used for contrast colors ware 2 stirs, and this magnetic stirrer 7 is fixed on bearing 1, can be positioned near position, cuvette 2 5mm places, below.Particularly, magnetic stirrer 7 comprises: direct current motor 71, magnet 72 and stirrer 73.Wherein, direct current motor 71 and magnet 72(have two) be fixed on the bottom of bearing 1, magnet 72 is positioned at the output terminal of direct current motor 71, and stirrer 73 is placed in cuvette 2.When direct current motor 71 work, its output terminal drives magnet 72 rotations, realizes stirring under the effect in magnetic field.Preferably, stirrer 73 adopts the anticorrosive property material to make, to increase its antiseptic power.The benefit of above-mentioned employing magnetic stirring is: tradition passes into to cuvette 2 bottoms the mode that air stirs, easily cause the solution in cuvette 2 to be splashed on the wall of cuvette 2 because bubble breaks, also easily cause solution to be back in air leading-in conduit, the appearance of these situations all can have a strong impact on stability and the accuracy of apparatus measures.Adopt the magnetic stirring technology, drive two ends magnet rotation by direct current motor, realizing stirrer 73 uniform rotation in cuvette 2 under the drive in magnetic field, splashing or suck-back of solution can not appear, when reaching mixing effect well, measurement result is not produced unfavorable interference, in the accuracy that guarantees measurement result.
The invention also discloses a kind of hydrazine analyser, comprising: hydrazine analyser body and be fixed on photoelectric detection system on described hydrazine analyser body, wherein, photoelectric detection system is the photoelectric detection system described in above-mentioned.
Explanation is at last, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although with reference to preferred embodiment, the utility model is had been described in detail, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical solution of the utility model, and not breaking away from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (8)
1. photoelectric detection system, comprise: bearing, cuvette, light source and receiver, it is characterized in that: described cuvette is fixed on the centre of described bearing in the mode that is threaded, and described light source and receiver are fixed on described bearing and are positioned at the both sides of described cuvette.
2. photoelectric detection system as claimed in claim 1 also comprises: be positioned at the cover plate directly over described cuvette, have injection port on described cover plate, have overflow vent and sewage draining exit on described cuvette, and described overflow vent and sewage draining exit are all with connecing mouth.
3. photoelectric detection system as claimed in claim 2, it is characterized in that: described cuvette is: quartz glass material cuvette.
4. photoelectric detection system as claimed in claim 1, it is characterized in that: have a light source mounting hole and receiver mounting hole on described bearing, described light source mounting hole and receiver mounting hole are coaxial, described light source is crimped in described light source mounting hole by light source fixing part, and described receiver is crimped in described receiver mounting hole by the receiver fixture.
5. photoelectric detection system as claimed in claim 4 is characterized in that: also comprise: O type circle, described O type circle is arranged in the groove of described light source fixing part and receiver fixture, with described light source, receiver and cuvette sealing.
6. as photoelectric detection system as described in any one in claim 1-5, it is characterized in that: also comprise: be used for magnetic stirrer that solution in described cuvette is stirred, and described magnetic stirrer is fixed on described bearing.
7. photoelectric detection system as claimed in claim 6, it is characterized in that: described magnetic stirrer comprises: direct current motor, magnet and stirrer, described direct current motor is fixed on described bearing, described magnet is positioned at the output terminal of described direct current motor, described stirrer is placed in described cuvette, described direct current motor drives described magnet rotation, realizes the rotation of described stirrer under the drive in magnetic field.
8. hydrazine analyser comprises: hydrazine analyser body and be fixed on photoelectric detection system on described hydrazine analyser body, it is characterized in that: described photoelectric detection system is the described photoelectric detection system of any one in described claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220549056 CN202974854U (en) | 2012-10-24 | 2012-10-24 | Photoelectric detecting device and hydrazine analysis meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220549056 CN202974854U (en) | 2012-10-24 | 2012-10-24 | Photoelectric detecting device and hydrazine analysis meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202974854U true CN202974854U (en) | 2013-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220549056 Expired - Lifetime CN202974854U (en) | 2012-10-24 | 2012-10-24 | Photoelectric detecting device and hydrazine analysis meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202974854U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102928363A (en) * | 2012-10-24 | 2013-02-13 | 重庆川仪分析仪器有限公司 | Photoelectric detection device and hydrazine analyzer |
-
2012
- 2012-10-24 CN CN 201220549056 patent/CN202974854U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102928363A (en) * | 2012-10-24 | 2013-02-13 | 重庆川仪分析仪器有限公司 | Photoelectric detection device and hydrazine analyzer |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130605 |