CN203011839U - Water quality comprehensive toxicity detecting device - Google Patents
Water quality comprehensive toxicity detecting device Download PDFInfo
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- CN203011839U CN203011839U CN 201220705164 CN201220705164U CN203011839U CN 203011839 U CN203011839 U CN 203011839U CN 201220705164 CN201220705164 CN 201220705164 CN 201220705164 U CN201220705164 U CN 201220705164U CN 203011839 U CN203011839 U CN 203011839U
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Abstract
The utility model discloses a water quality comprehensive toxicity detecting device. The toxicity detecting device comprises a detecting chamber box, wherein a rotary disk body is arranged in the detecting chamber box; a blank control tube and a to-be-detected water sample reaction tube are placed on the rotary disk body; liquid adding holes which are respectively used for the blank control tube and the to-be-detected water sample reaction tube to extract liquid are formed in the detecting chamber box; a detecting hole is also formed in the detecting chamber box; and the detecting hole is connected with a photosensitive detecting unit which is used for detecting the light intensities of the blank control tube and the to-be-detected water sample reaction tube. According to the detecting device, the light intensities of the liquid in the blank control tube and the to-be-detected water sample reaction tube can be detected by a detecting opening, so that the system detecting error due to the inconsistent attenuation of a photon counter along with the time in a traditional double-way parallel detecting system is avoided, and the toxicity detecting device is simple in structure, cost-saving, high in automation and convenient to wild popularize and apply.
Description
Technical field
The utility model relates to water quality comprehensive toxicity field, especially, relates to a kind of water quality comprehensive toxicity pick-up unit.
Background technology
In order to improve water environment safety monitoring and early warning level, China constantly strengthens the construction of water environment safety prevention and control system, but existing monitoring method is mainly to rely on conventional chemical analysis method to carry out water examination and analysis.When conventional method detects harmful toxic matter in water, only can detect limited pollution parameters, can't say clearly water quality comprehensive toxicity state comprehensively.Photobacteria method comprehensive toxicity analytical technology utilizes photobacteria can send wavelength at the blue-green visible light of 450-490nm under normal physiological condition, and luminous intensity is continual and steady, when contacting with the water environment toxicity, the light that they send is subject to the impact of poisonous substance, be generally inhibiting effect, the inhibition degree is relevant with toxic concentration and toxicity size.When the noxious material in determinand contacts with photobacteria, bacterial luminescence intensity changes immediately, and along with the concentration of noxious material increases luminous intensity and weakens, and the variation of this light intensity can quantitatively be measured with a kind of photometry instrument of precision, can calculate according to the variation of light intensity the concentration of poisonous substance again thus.The result of measuring represents with relative luminosity factor or relative inhibition, relative luminosity factor (100%)=sample luminous intensity/contrast luminous intensity * 100%; Luminous inhibiting rate (100%)=1-relative luminosity factor.The toxicity size of relative luminosity factor and noxious material is negative correlation, and luminous inhibiting rate is proportionate with it.Also can be with toxic concentration (EC50) expression of inhibiting rate 50%.Utilize photobacteria method test environment pollutant toxicity to have that sensitivity is high, correlativity good, reaction velocity is fast, with low cost, automaticity advantages of higher, can make up well the conventional chemical analytical approach to the defective of monitoring water environment.
Based on above-mentioned principle, Toxcontrol type water quality comprehensive toxicity instrument and the Hangzhou green clean company of Holland Microtrol company development has developed ToxSniffer type water quality comprehensive toxicity instrument, all adopt two pipeline detection techniques, one the tunnel is blank sample control test, another road is detected for treating test sample, two-way liquid detects the abundant mixing of liquid with photobacteria simultaneously, and detects simultaneously the luminous intensity of two-way liquid, then calculates the luminous inhibiting rate of testing sample.
Although above-mentioned two kinds of instruments have been realized the automatic analysis of comprehensive toxicity, double photo paths, after instrument working time is long, due to photon counter along with the time decay inconsistent, cause that to detect error larger.Therefore be necessary existing double light path toxicity detector is improved, to reduce the systematic error of toxicity detector, improve the sensitivity of instrument.
The utility model content
The utility model purpose is to provide a kind of water quality comprehensive toxicity pick-up unit, and this toxicity structure of the detecting device is simple, avoided the systematic error of double photo paths, and test data is reliable and stable.
To achieve these goals, the utility model is by the following technical solutions:
A kind of water quality comprehensive toxicity pick-up unit, comprise sensing chamber's casing, be provided with a rotating disk body in described sensing chamber casing, be placed with blank pipe and water sample reaction tube to be measured on described rotating disk body, be provided with the liquid filling hole that supplies respectively described blank pipe and described water sample reaction tube extracting liq to be measured on described sensing chamber casing, also be provided with one on described sensing chamber casing and detect the hole, described detection hole is connected with a photosensitive detecting unit for detection of described blank pipe and described water sample reaction tube luminous intensity to be measured.
Further, described sensing chamber casing is right cylinder, described rotating disk body comprises that one is used for the circular discs place described blank pipe and described water sample reaction tube to be measured, and described circular discs is connected with one and drives the rotating mechanism that described circular coiling described sensing chamber casing rotates.
Further, described rotating mechanism comprises a stepper motor, and described stepper motor is fixedly connected with described circular discs through rotating shaft.
Further, described detection hole is positioned at the bottom of described sensing chamber casing.
Further, described photosensitive detecting unit comprises a photomultiplier detector, and described photomultiplier detector is connected with described detection hole through optical fiber.
Further, described photosensitive detecting unit comprises avalanche diode, and described avalanche diode is connected with described detection hole through optical fiber.
The utlity model has following beneficial effect:
the water quality comprehensive toxicity pick-up unit that the utility model provides is by arranging a rotating disk body that is used for placing blank pipe and water sample reaction tube to be measured in sensing chamber's casing, change in the space of sensing chamber's casing by rotating disk body, can realize that detecting the hole through one detects the luminous intensity of blank pipe and water sample to be measured reaction liquid in pipe, thereby avoided traditional two-way parallel detecting system to detect error because of the system that photon counter causes along with the decay of time is inconsistent, and the utility model toxicity structure of the detecting device is simple, save cost, automaticity is high, be convenient to wide popularization and application.
Except purpose described above, feature and advantage, the utility model also has other purpose, feature and advantage.The below is described in further detail the utility model with reference to figure.
Description of drawings
The accompanying drawing that consists of the application's a part is used to provide further understanding of the present utility model, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not consist of improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of the utility model preferred embodiment;
Fig. 2 is the schematic top plan view of sensing chamber's casing in the utility model preferred embodiment.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated, implements but the utility model can be defined by the claims and cover multitude of different ways.
In order to improve accuracy and the sensitivity of existing water quality comprehensive toxicity in-line analyzer, detect the actual toxicity of water sample, the utility model provides a kind of flow process and device that detects actual water sample toxicity.This flow process is mainly by detecting with a photomultiplier detector, blank pipeline and water sample to be measured reaction pipeline switched according to the mistiming, and the volume ratio that makes photobacteria detect liquid and water sample to be measured is 1:100, thereby reaches the purpose of detection actual water sample toxicity.
See figures.1.and.2, the utility model water quality comprehensive toxicity pick-up unit, comprise sensing chamber's casing 10, be provided with a rotating disk body in sensing chamber's casing 10, be placed with blank pipe 20 and water sample reaction tube 30 to be measured on rotating disk body, be provided with the liquid filling hole 12 that supplies respectively blank pipe 20 and water sample reaction tube 30 extracting liqs to be measured on sensing chamber's casing 10, also be provided with one on sensing chamber's casing 10 and detect hole 14, detect hole 14 and be connected with a photosensitive detecting unit for detection of blank pipe 20 and water sample reaction tube 30 luminous intensities to be measured.The liquid that blank pipe 20 and water sample reaction tube 30 to be measured react through liquid filling hole 12 extraction experiments separately respectively, blank pipe 20 and water sample reaction tube 30 to be measured detect respectively the luminous intensity of blank sample and water sample to be measured by the detection hole 14 that is opened on sensing chamber's casing 10 for photosensitive detecting units under the space displacement effect of rotating disk body, thereby the toxicity of water sample to be measured is carried out quantitative test.Like this, both avoided detection system to adopt two systematic errors that photosensitive detecting unit causes, the detecting unit of also having simplified system has been saved constructions cost, and has guaranteed on the whole to detect precision and the reliability of data.
Preferably, sensing chamber's casing 10 is right cylinder, and rotating disk body comprises that one is used for placing the circular discs 50 of blank pipe 20 and water sample reaction tube 30 to be measured, and circular discs 50 is connected with one and drives the rotating mechanism 40 that circular discs 50 is rotated around sensing chamber's casing 10.This rotating mechanism 40 both can be electric driving mechanism, also can be pneumatic drive mechanism.Preferably, rotating mechanism 40 comprises a stepper motor 44, and stepper motor 44 is fixedly connected with circular discs 50 through rotating shaft 42.Like this, circular discs 50 is being put centered by rotating shaft 42 under the driving of stepper motor 44 around 10 rotations of sensing chamber's casing, control the angle of rotation value of circular discs 50 by stepper motor 44, can realize detecting hole 14 respectively with blank pipe 20, the relative luminous intensity values with detection blank pipe 20, water sample reaction tube 30 to be measured of water sample reaction tube 30 to be measured.
Preferably, photosensitive detecting unit is the optical de-tection means such as photomultiplier detector 70, avalanche diode.
Preferably, detect the bottom that hole 14 is positioned at described sensing chamber casing 10, photosensitive detecting unit comprises a photomultiplier detector 70, and photomultiplier detector 70 is connected with detection hole 14 through optical fiber 60.In order to guarantee the photophobism of sensing chamber's casing 10, the aperture of two liquid filling holes 12 offering on sensing chamber's casing 10 is as far as possible little, and liquid filling hole 12 lays respectively at position corresponding with the opening of blank pipe 20 and water sample reaction tube 30 to be measured on sensing chamber's casing 10; Preferably, detecting the particular location of hole 14 in sensing chamber's casing 10 bottoms is: take at the center of two liquid filling holes 12 as the intermediate point place (with reference to Fig. 2) of the semi arch of diameter, be in the same center line with detecting hole 14 with the liquid filling hole 12 of avoiding offering on sensing chamber's casing 10, thereby cause incident ray to the interference effect of photosensitive testing result.Be arranged on and take at the center of two liquid filling holes 12 as the intermediate point place of the semi arch of diameter detecting hole 14, extended as far as possible the spacing between liquid filling hole 12 and detection hole 14, to reduce extraneous light to the disturbing effect of test result.
In order to realize above-mentioned utility model purpose, the testing process of using the utility model water quality comprehensive toxicity pick-up unit comprises the following steps:
A. get photobacteria and detect in the recovery pond that liquid and salt solution, pure water be put in 15 ℃, abundant mixing is as luminescence-producing reaction liquid;
B. get pure water, salt solution is put in the blank reaction tank, and abundant mixing is as the blank sample;
C. get water sample to be measured, salt solution is put in water sample reaction tank to be measured, and abundant mixing is as testing sample;
D. get the luminescence-producing reaction liquid of certain volume and the blank sample of certain volume, and stir and evenly mix, leave in the first storage unit, and guarantee that the volume ratio that photobacteria detects liquid and blank sample is 1:100, with as blank pipe 20 mixing material to be extracted;
E. get the luminescence-producing reaction liquid of certain volume and the testing sample of certain volume, and stir and evenly mix, leave in the second storage unit, and guarantee that the volume ratio that photobacteria detects liquid and testing sample is 1:100, with as testing sample reaction tube 30 mixing material to be extracted;
F. extraction unit extracts mixing material to blank pipe 20 from the first storage unit through liquid filling hole 12, and detects the luminous intensity I of blank sample through photomultiplier detector 70
Blank
G. extraction unit extracts mixing material to testing sample reaction tube 30 from the second storage unit through liquid filling hole 12, and through photomultiplier detector 70 detect water samples to be measured luminous intensity I
Sample
The luminous intensity I of the blank sample that those skilled in the art obtain according to test
BlankAnd water sample to be measured luminous intensity I
Sample, can be according to luminous inhibiting rate formula H(%)=100{1-I
Sample/ I
Blank, obtain the luminous inhibiting rate of water sample to be measured, thereby water sample to be measured is carried out oxicity analysis.
the water quality comprehensive toxicity pick-up unit that the utility model provides is by arranging a rotating disk body that be used for to place blank pipe 20 and water sample reaction tube 30 to be measured sensing chamber's casing 10 is interior, space conversion by rotating disk body in sensing chamber's casing 10, can realize that a detection oral pore 14 detects the luminous intensity of blank pipe 20 and water sample reaction tube 30 interior liquid to be measured, thereby avoided traditional two-way parallel detecting system to detect error because of the system that photon counter causes along with the decay of time is inconsistent, and the utility model toxicity structure of the detecting device is simple, save cost, automaticity is high, be convenient to wide popularization and application.
The above is only preferred embodiment of the present utility model, is not limited to the utility model, and for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (6)
1. a water quality comprehensive toxicity pick-up unit, comprise sensing chamber's casing (10), it is characterized in that:
Be provided with a rotating disk body in described sensing chamber casing (10),
Be placed with blank pipe (20) and water sample reaction tube to be measured (30) on described rotating disk body,
Be provided with the liquid filling hole (12) that supplies respectively described blank pipe (20) and described water sample reaction tube to be measured (30) extracting liq on described sensing chamber casing (10),
Also be provided with one on described sensing chamber casing (10) and detect hole (14),
Described detection hole (14) is connected with a photosensitive detecting unit for detection of described blank pipe (20) and described water sample reaction tube to be measured (30) luminous intensity.
2. water quality comprehensive toxicity pick-up unit according to claim 1 is characterized in that:
Described sensing chamber casing (10) is right cylinder, described rotating disk body comprises one for the circular discs (50) of placing described blank pipe (20) and described water sample reaction tube to be measured (30), and described circular discs (50) is connected with one and drives the rotating mechanism (40) that described circular discs (50) is rotated around described sensing chamber casing (10).
3. water quality comprehensive toxicity pick-up unit according to claim 2 is characterized in that:
Described rotating mechanism (40) comprises a stepper motor (44), and described stepper motor (44) is fixedly connected with described circular discs (50) through rotating shaft (42).
4. water quality comprehensive toxicity pick-up unit according to claim 1 is characterized in that:
Described detection hole (14) is positioned at the bottom of described sensing chamber casing (10).
5. water quality comprehensive toxicity pick-up unit according to claim 1 is characterized in that:
Described photosensitive detecting unit comprises a photomultiplier detector (70), and described photomultiplier detector (70) is connected with described detection hole (14) through optical fiber (60).
6. water quality comprehensive toxicity pick-up unit according to claim 1 is characterized in that:
Described photosensitive detecting unit comprises avalanche diode, and described avalanche diode is connected with described detection hole (14) through optical fiber (60).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220705164 CN203011839U (en) | 2012-12-19 | 2012-12-19 | Water quality comprehensive toxicity detecting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220705164 CN203011839U (en) | 2012-12-19 | 2012-12-19 | Water quality comprehensive toxicity detecting device |
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| CN203011839U true CN203011839U (en) | 2013-06-19 |
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| CN 201220705164 Expired - Lifetime CN203011839U (en) | 2012-12-19 | 2012-12-19 | Water quality comprehensive toxicity detecting device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104568755A (en) * | 2014-12-29 | 2015-04-29 | 苏州长光华医生物医学工程有限公司 | Optical fiber conduction device in chemical light emission measuring chamber |
| CN106198395A (en) * | 2016-06-29 | 2016-12-07 | 中国科学院半导体研究所 | A kind of avalanche diode detector optically coupled system and measuring method thereof |
| CN108169139A (en) * | 2018-02-08 | 2018-06-15 | 宁波水表股份有限公司 | Turbidity transducer automatic pollution removing calibrating installation |
| CN108279187A (en) * | 2018-03-27 | 2018-07-13 | 苏州科技大学 | The test device and test method of fluid viscosity |
| CN110208253A (en) * | 2019-07-05 | 2019-09-06 | 嘉兴卓远科技有限公司 | A kind of full-automatic detection apparatus of water quality comprehensive toxicity |
| CN111189782A (en) * | 2020-02-26 | 2020-05-22 | 杭州电子科技大学 | Water quality detection equipment for fresh water biotoxicity monitoring system |
| CN117431170A (en) * | 2023-04-10 | 2024-01-23 | 恒臻(无锡)生物科技有限公司 | Ammonia oxidizing bacteria and method for detecting toxicity of wastewater by using same |
-
2012
- 2012-12-19 CN CN 201220705164 patent/CN203011839U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104568755A (en) * | 2014-12-29 | 2015-04-29 | 苏州长光华医生物医学工程有限公司 | Optical fiber conduction device in chemical light emission measuring chamber |
| CN106198395A (en) * | 2016-06-29 | 2016-12-07 | 中国科学院半导体研究所 | A kind of avalanche diode detector optically coupled system and measuring method thereof |
| CN108169139A (en) * | 2018-02-08 | 2018-06-15 | 宁波水表股份有限公司 | Turbidity transducer automatic pollution removing calibrating installation |
| CN108279187A (en) * | 2018-03-27 | 2018-07-13 | 苏州科技大学 | The test device and test method of fluid viscosity |
| CN110208253A (en) * | 2019-07-05 | 2019-09-06 | 嘉兴卓远科技有限公司 | A kind of full-automatic detection apparatus of water quality comprehensive toxicity |
| CN111189782A (en) * | 2020-02-26 | 2020-05-22 | 杭州电子科技大学 | Water quality detection equipment for fresh water biotoxicity monitoring system |
| CN117431170A (en) * | 2023-04-10 | 2024-01-23 | 恒臻(无锡)生物科技有限公司 | Ammonia oxidizing bacteria and method for detecting toxicity of wastewater by using same |
| CN117431170B (en) * | 2023-04-10 | 2024-05-14 | 恒臻(无锡)生物科技有限公司 | Ammonia oxidizing bacteria and method for detecting toxicity of wastewater by using same |
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Granted publication date: 20130619 |