CN101311704A - Multi-point calibration photoelectric detector for automatically diluting titrating solution and method of use thereof - Google Patents
Multi-point calibration photoelectric detector for automatically diluting titrating solution and method of use thereof Download PDFInfo
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- CN101311704A CN101311704A CNA2007100281556A CN200710028155A CN101311704A CN 101311704 A CN101311704 A CN 101311704A CN A2007100281556 A CNA2007100281556 A CN A2007100281556A CN 200710028155 A CN200710028155 A CN 200710028155A CN 101311704 A CN101311704 A CN 101311704A
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Abstract
The invention relates to a multi-point calibration photoelectric detector which can automatically dilute standard solutions and a using method thereof. The multi-point calibration photoelectric detector comprises a sink; wherein, an upper cover is arranged at the top end of the sink; the upper cover is provided with an upper liquid level probe, a lower liquid level probe and a middle liquid level probe which vertically extend into the sink and is also provided with a blank liquid infusion tube and a standard liquid infusion tube; a liquid discharge port is arranged at the bottom part of the sink which is provided with an electrical valve; an ultrasonic transducer is arranged at the bottom part of the sink; a luminescent component and an optical receiving component are arranged at a corresponding position of a side wall of the sink. The invention provides a simple and feasible method for the detector, achieves the effect that a plurality of standard solutions can be produced from a standard solution only through automatic dilution, thus realizing the functions of both single point calibration and multi-point calibration.
Description
Technical field
The present invention relates to automatic analysis classes instrument and on-line monitoring quasi-instrument, relate in particular to the multi-point calibration photoelectric detector and the using method thereof of automatically diluting titrating solution.
Background technology
Demarcation is the abbreviation of instrument being examined and determine with standard solution, and the branch of single-point calibration and multi-point calibration is arranged usually, and the former only needs a kind of standard solution, and method is simple, but precision is low, narrow range; The latter needs multiple standards solution, complicated operation, but precision height, wide ranges.
Automatically analysis classes instrument and on-line monitoring quasi-instrument have become today that the market mainstream, particularly environmental protection receive much attention at present, and be more and more to the demand of on-line monitoring quasi-instrument, also more and more higher to the automaticity and the reliability requirement of instrument.Because monitored target (for example sewage) difference is very big, whether the instrument operation normally or is damaged, and has only by regular demarcation and just can recognize.Whether working properly single-point calibration is for testing instruments is feasible, but instrument uses for the first time or break down when restarting after repairing, and should adopt multi-point calibration could guarantee accuracy requirement.Therefore, good instrument must possess single-point and multi-point calibration function.But the multi-point calibration function can make instrument configuration complicated and huge, because it need be laid in multiple (more than three kinds) standard solution causes disadvantages such as safeguarding inconvenience, cost increase, the big unfavorable environmental protection of consumption amount of reagent.
Summary of the invention
The objective of the invention is defective, a kind of multi-point calibration photoelectric detector and using method thereof of automatically diluting titrating solution is provided at prior art.
Purpose of the present invention is realized by following technical scheme:
A kind of multi-point calibration photoelectric detector of automatically diluting titrating solution, it is characterized in that, comprise tank, the tank top be provided with loam cake, on cover the last level probe that vertically stretches in the tank, level probe and middle level probe down be housed, on cover blank solution woven hose and titer woven hose also be housed, bottom of gullet offers leakage fluid dram, the leakage fluid dram place is provided with electrically-controlled valve, bottom of gullet also is provided with ultrasonic transducer, is provided with luminescence component and optical fiber receive module in relative position on the sidewall of tank.
Purpose of the present invention is also realized by following technical scheme:
A kind of using method of multi-point calibration photoelectric detector of automatically diluting titrating solution as claimed in claim 1 comprises the steps:
A. inject the standard solution prepare to the standard solution woven hose, the resistance value between last level probe and following level probe reduces to hour, represents to have reached full volumetric quantity, stops injection immediately;
B. open ultrasonic transducer work, liquid mixing is even, optical mirror slip is kept clean;
C. start the light source and the photoelectric receiving tube of photoelectric detection system, the signal data of photoelectric receiving tube is input to computing machine preserves;
D. open electrically-controlled valve liquid is discharged tank, stop immediately when resistance changes to maximum between central level probe and the following level probe, electrically-controlled valve is closed, place, level probe bottom during the volume of express liquid has been reduced to;
E. in blank solution being injected tank from the blank solution woven hose, resistance value reduces to and hour to stop injection immediately between last level probe and following level probe, and the express liquid volume has reached full volume, and concentration of standard solution has been diluted into original a certain number percent at this moment;
F. repeat b, c, d, e process until reaching predetermined dilution number of times or concentration, dilution finishes;
G. the liquid in the tank is all discharged, prepare to carry out next step operation.
The present invention is simple in structure, and cost is low, takes the method for simple and feasible simultaneously, has realized producing multiple standards solution through diluting automatically by a kind of standard solution, can carry out the function that single-point calibration also can be carried out multi-point calibration thereby reached.
Description of drawings
Fig. 1 is the multi-point calibration photoelectric detector of automatically diluting titrating solution provided by the invention;
Fig. 2 is the flow chart of using method of the multi-point calibration photoelectric detector of automatically diluting titrating solution provided by the invention.
Drawing reference numeral explanation: 1. tank, 2. lens barrel, 3. optical filter, 4. photoelectric receiving tube, 5. leakage fluid dram, 6. electrically-controlled valve, 7. ultrasonic transducer, 8. light source, 9. lens, 10. lens barrel, 11. blank solution woven hoses, level probe in 12., 135,134,132. insulating bushings, 14. times level probes, level probe on 15., 16. the titer woven hose, 17 loam cakes.
Embodiment
Describe the structure of the multi-point calibration photoelectric detector of automatically diluting titrating solution in detail below in conjunction with Fig. 1.
Main part of the present invention is a tank 1, and the material of this tank 1 is a stainless steel, and shape is column type, and diameter is preferably 80mm, highly is preferably 100mm, molten long-pending about 200mL.This tank 1 upper end is uncovered, and the bottom offers leakage fluid dram 5, and its inwall preferably is coated with teflon (plastics king), is provided with the photoelectric detection system installation site in relative position on the sidewall of tank 1.
Three probes 15,14,12 pass the pilot hole of offering on the loam cake 17 and vertically are provided with, three probe 15,14,12 tops separately are connected cooperation by lining 135,134,132 with loam cake 17 respectively, thereby each probe is vertically adjustable highly within the specific limits.In the present embodiment, the length of three probes 15,14,12 is respectively 5cm, 15cm, 10cm.Wherein, the lower end of probe 15 is positioned at tank 1 top position, is used to survey liquid level, hereinafter is called level probe so reach herein; The lower end of probe 14 is positioned at tank 1 bottom position, is used to survey down liquid level, hereinafter is called down level probe so reach herein; Middle level probe hereinafter is called so reach herein in 1/2 position of probe 12 bottoms between last level probe 15 bottoms and following level probe 14 bottoms.The upper end of three probes 15,14,12 joins with lead respectively, and the lower end is all that tip- like probe 15,14,12 is preferable to be made by stainless steel material.
Woven hose 11,16 is penetrated in the tank 1 by the pilot hole of offering on the loam cake 17 respectively, and the internal diameter of woven hose 11,16 is preferably 6mm, and material is a teflon.Wherein, the woven hose 11 in left side is used for blank solution is imported in the tank 1, and the woven hose 16 on right side is used for titer is imported in the tank 1.
Photoelectric detection system comprises luminescence component and optical fiber receive module, is separately positioned on relative position on tank 1 sidewall.Luminescence component comprises light source 8, lens 9 and lens barrel 10, and optical fiber receive module comprises lens barrel 2, optical filter 3 and photoelectric receiving tube 4.Lens barrel is a stainless steel material, and external diameter is 20mm, and internal diameter is 10mm, and appearance has teflon coating.Constitute a watertight cavity of closed type by tank 1 lens barrel, 2,10 lens 9 and optical filter 3.Wherein, selecting for use of each device in the photoelectric detection system will be decided by the chemical property of controlled detection material.
The bottom of tank 1 is provided with electrically-controlled valve 6 at floss hole 5 places, and electrically-controlled valve 6 is a corrosion-proof type, and operating voltage is 12V.The bottom of tank 1 also is equipped with ultrasonic transducer 7, is used for liquid mixing even (about 2 minutes) are used to clean tank 1 inwall, lens barrel 2,10, lens 9 and optical filter 3 simultaneously.In the present embodiment, the power of ultrasonic transducer 7 is 60W, frequency 40KHz, diameter 50mm, joins by lead and drive part.
Below in conjunction with Fig. 2, describe the using method and the process of the multi-point calibration photoelectric detector of automatically diluting titrating solution provided by the invention in detail, comprise the steps:
A. inject the standard solution for preparing to standard solution woven hose 16, (being generally the higher limit of sensing range) resistance value between last level probe 15 and following level probe 14 reduces to hour (short circuit), expression has reached the about 200ml of full volumetric quantity, stops immediately injecting;
B. open ultrasonic transducer 7 work,, optical mirror slip (lens 9 and optical filter 3) is kept clean liquid mixing even (about 2 minutes);
C. start the light source 8 and the photoelectric receiving tube 4 of photoelectric detection system, the signal data of photoelectric receiving tube 4 is input to computing machine preserves;
D. open electrically-controlled valve 6 liquid is discharged tank 1, (open circuit) stopped immediately when resistance changed to maximum between central level probe 12 and the following level probe 14, and electrically-controlled valve is closed, and the volume of express liquid has been reduced to about 100ml, promptly expired half of volume;
E. blank solution (being generally distilled water) is injected in the tank 1 from blank solution woven hose 11, resistance value reduces to hour (short circuit) and stops immediately injecting between last level probe 15 and following level probe 14, the express liquid volume has reached full volume, about 200ml, this moment, concentration of standard solution was diluted into original half (promptly 50%);
F. repeat b, c, d, e process until reach predetermined dilution number of times or concentration as: 100%, 50%, 25%, 12.5%....... etc., dilution finishes;
G. the liquid in the tank 1 is all discharged, prepare to carry out next step operation.
By above embodiment, the present invention has disclosed a kind of multi-point calibration photoelectric detector and using method thereof of automatically diluting titrating solution.Yet; above disclosed embodiment is only for the concrete example of general plotting of the present invention, for the person of an ordinary skill in the technical field; some do not need that creative work can be expected, based on the simple change that the present invention did, still should not take off the scope of protection of the invention.For example, middle level probe is used to survey a certain liquid level between last liquid level and following liquid level, so its bottom position can certainly be other position, for example, also can be between last level probe 15 bottoms and following level probe 14 bottoms 3/4 position; Accordingly, in use, the solution concentration after each dilution just is 75% of an original solution concentration.
Claims (7)
1. the multi-point calibration photoelectric detector of an automatically diluting titrating solution, it is characterized in that, comprise tank (1), tank (1) top is provided with loam cake (17), the last level probe (15) that vertically stretches in the tank (1) is housed on the loam cake (17), following level probe (14) and middle level probe (12), blank solution woven hose (11) and titer woven hose (16) also are housed on the loam cake (17), tank (1) bottom offers leakage fluid dram (5), leakage fluid dram (5) locates to be provided with electrically-controlled valve (6), tank (1) bottom also is provided with ultrasonic transducer (7), is provided with luminescence component and optical fiber receive module in relative position on the sidewall of tank (1).
2. the multi-point calibration photoelectric detector of automatically diluting titrating solution as claimed in claim 1 is characterized in that, the bottom of middle level probe (12) is positioned at 1/2 position between level probe (15) bottom and following level probe (14) bottom.
3. the multi-point calibration photoelectric detector of automatically diluting titrating solution as claimed in claim 1, it is characterized in that, described luminescence component comprises light source (8), lens (9) and lens barrel (10), and optical fiber receive module comprises lens barrel (2), optical filter (3) and photoelectric receiving tube (4).
4. the multi-point calibration photoelectric detector of automatically diluting titrating solution as claimed in claim 1, it is characterized in that described level probe (15), following level probe (14) and middle level probe (12) top separately of going up is connected cooperation by lining (135), (134), (132) with loam cake (17) respectively.
5. the multi-point calibration photoelectric detector of automatically diluting titrating solution as claimed in claim 1 is characterized in that, described electrically-controlled valve (6) is corrosion-resistant automatically controlled valve.
6. the multi-point calibration photoelectric detector of automatically diluting titrating solution as claimed in claim 1 is characterized in that, tank (1), lens barrel (2), (10) all adopt teflon coating technology to make.
7. the using method of the multi-point calibration photoelectric detector of an automatically diluting titrating solution as claimed in claim 1 comprises the steps:
A. inject the standard solution prepare to standard solution woven hose (16), the resistance value between last level probe (15) and following level probe (14) reduces to hour, represents to have reached full volumetric quantity, stops injection immediately;
B. open ultrasonic transducer (7) work, liquid mixing is even, optical mirror slip is kept clean;
C. start the light source (8) of luminescence component and the photoelectric receiving tube (4) of optical fiber receive module, the signal data of photoelectric receiving tube (4) is input to computing machine preserves;
D. open electrically-controlled valve (6) liquid is discharged tank (1), stop immediately when resistance changes to maximum between central level probe (12) and the following level probe (14), electrically-controlled valve is closed, the volume of express liquid has been reduced to place, middle level probe (12) bottom;
E. blank solution is injected in the tank (1) from blank solution woven hose (11), resistance value reduces to and hour to stop immediately injecting between last level probe (15) and following level probe (14), the express liquid volume has reached full volume, and this moment, concentration of standard solution was diluted into original a certain number percent;
F. repeat b, c, d, e process until reaching predetermined dilution number of times or concentration, dilution finishes;
G. the liquid in the tank (1) is all discharged, prepare to carry out next step operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100281556A CN101311704B (en) | 2007-05-23 | 2007-05-23 | Multi-point calibration photoelectric detector for automatically diluting titrating solution and method of use thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100281556A CN101311704B (en) | 2007-05-23 | 2007-05-23 | Multi-point calibration photoelectric detector for automatically diluting titrating solution and method of use thereof |
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| Publication Number | Publication Date |
|---|---|
| CN101311704A true CN101311704A (en) | 2008-11-26 |
| CN101311704B CN101311704B (en) | 2011-10-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2007100281556A Expired - Fee Related CN101311704B (en) | 2007-05-23 | 2007-05-23 | Multi-point calibration photoelectric detector for automatically diluting titrating solution and method of use thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102980626A (en) * | 2012-11-23 | 2013-03-20 | 苏州优德通力电气有限公司 | Air resistance induction box |
| CN110412232A (en) * | 2019-08-23 | 2019-11-05 | 厦门斯坦道科学仪器股份有限公司 | A kind of full-automatic calibrating/calibrating installation and method of water quality on-line monitoring instrument device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6007235A (en) * | 1998-02-25 | 1999-12-28 | Honeywell Inc. | Sampling and diluting system for particle size distribution measurement |
| FR2877722B1 (en) * | 2004-11-09 | 2007-03-02 | Renault Sas | CALIBRATION DEVICE ADAPTED TO GAS ANALYZER AND ASSOCIATED METHOD |
| CN100395533C (en) * | 2005-08-26 | 2008-06-18 | 清华大学 | Diluting and sampling system for particle from fixed combustion source emission |
| CN201041546Y (en) * | 2007-05-23 | 2008-03-26 | 珠海市德莱仪表设备有限公司 | Multi-point marking photoelectricity detector for automatically diluted standard solution |
-
2007
- 2007-05-23 CN CN2007100281556A patent/CN101311704B/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102980626A (en) * | 2012-11-23 | 2013-03-20 | 苏州优德通力电气有限公司 | Air resistance induction box |
| CN110412232A (en) * | 2019-08-23 | 2019-11-05 | 厦门斯坦道科学仪器股份有限公司 | A kind of full-automatic calibrating/calibrating installation and method of water quality on-line monitoring instrument device |
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| Publication number | Publication date |
|---|---|
| CN101311704B (en) | 2011-10-19 |
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