CN201594076U - Automatic photometric titration apparatus - Google Patents
Automatic photometric titration apparatus Download PDFInfo
- Publication number
- CN201594076U CN201594076U CN2009202435676U CN200920243567U CN201594076U CN 201594076 U CN201594076 U CN 201594076U CN 2009202435676 U CN2009202435676 U CN 2009202435676U CN 200920243567 U CN200920243567 U CN 200920243567U CN 201594076 U CN201594076 U CN 201594076U
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- titration
- data acquisition
- treating apparatus
- titrating
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Abstract
The utility model relates to an automatic photometric titration apparatus which consists of a liquid titrating device, a data collecting and processing system, a titrating dark room, a solution stirring device, an input and output device and a computer, wherein the data collecting and processing system consists of a direct transmission type optical collecting system and a data collecting and processing system; the direct transmission type optical collecting system consists of a luminous element and a photosensitive element arranged in the middle of the wall of a titrating tank base which is fixed on the titrating dark room; each direct transmission type optical collecting system is independently electrically connected with the port of the data collecting and processing system; the data collecting and processing system is also respectively electrically connected with a controllable metering pump in the liquid titrating device, a motor in the solution stirring device, and a keyboard, a display screen and a sprinter in the input and output device. The utility model can automatically judge the end point, automatically calculate the mass of the added solution, automatically change the solution adding speed and automatically analyze and print the test results, and have the advantages of accurate detection, high automation degree, simple and convenient operation, one machine with multiple function, and the like.
Description
Affiliated technical field
The utility model relates to a kind of photometry that adopts and judges the automatic titrimetry device that titration end-point and controlled volume pump measure.It is suitable for the automatic measurement and control device of judging the drop reaction of titration end-point in the fields such as grain and oil check, Food Inspection, chemical analysis according to the variation of volumetric soiutions absorbance.
Background technology
Many titration based on change color are arranged in chemical analysis, and the judgement of this drop reaction terminal point of past usually relies on people's visual inspection to determine.Because the singularity of titration system and operator's individuality must cause test result to the difference of the sensitivity level of color difference.Therefore people have invented multiple titrator according to the characteristic of volumetric soiutions, such as based on the potential measurement instrument based on potential change or conductivity variations; Based on the graphical analysis analyzer that is changed to the basis with the solution color of image; And based on the photometric titrator that is changed to the basis with the volumetric soiutions absorbance.For example Chinese patent CN2705791 discloses a kind of grain fatty acid value analyzer, and this analyzer partly is made up of the electromagnetic stirring system of automatic buret, liquid storage bottle, solenoid valve, measurement darkroom, light emitting diode, photodiode, transmission and PC microprocessing systems etc.It is the variation that a straight penetrate type optical sensor constituting by a pair of light emitting diode and photodiode detects the volumetric soiutions absorbance, judge the opening and closing of titration end-point and control electromagnetic valve with this, realize the employed standard solution value of test fat value, but this titrator all needs manually to read the addition of volumetric soiutions, need the artificial final testing result of calculating, can not control and the speed of vs that conversion adds and the standard solution that automatic gauge is added.
Summary of the invention
The purpose of this utility model be at the function singleness of existing photometric titrator, can not automatic gauge, can not change rate of titration, deficiency such as result of calculation automatically, and provide a kind of terminal point determining of finishing automatically, automatically calculate the solution quality that is added, automatically conversion adds the speed of solution, automatically analyze and the printing test result, and can detect the automatic photometric titrator of many index respectively.
The purpose of this utility model reaches by following technical measures, and this titrator includes by the titration cell pedestal, is arranged on the titration cup of the transparent homogeneous in the titration cell pedestal and is sealed on the titration darkroom that the titration cell lid with holes of titration cell pedestal top is formed; Also include by standard solution storage bottle, woven hose, controlled volume pump, titrating head is connected mutually and the imbibition titration apparatus that constitutes; Also include by motor, magnetic force spill spin block, stir the solution stirring device that piece is formed.Its innovation part is in the middle part of titration cell base peripheral wall, be provided with symmetrically the straight penetrate type optical system for collecting formed by light-emitting component and photo-sensitive cell a group or more.Also increase newly in addition and be provided with data acquisition and processing (DAP) device, input keyboard, display screen, printer, and the straight penetrate type optical system for collecting that each group is made up of light-emitting component and photo-sensitive cell is all wanted to be electrically connected with the port for the treatment of apparatus with data acquisition separately.Controlled volume pump in the titration apparatus of imbibition simultaneously will be electrically connected with the input end for the treatment of apparatus with data acquisition by PORT COM; Motor in the solution stirring device will be electrically connected with the serial ports for the treatment of apparatus with data acquisition; And input keyboard, display screen, printer respectively the port by separately be electrically connected with treating apparatus with data acquisition.
Used light-emitting component can be the light source of light emitting diode or other stabilized illumination in the utility model technical measures, and used photo-sensitive cell can be photoresistance or photoelectric cell.
Employed controlled volume pump can be wriggling or ram pump in the utility model technical measures.
Data acquisition in the utility model can also link to each other with a computing machine of newly establishing in addition by PORT COM with treating apparatus, and this titrator just can be operated accordingly according to the dependent instruction of this computing machine like this.
The utility model beneficial effect compared to existing technology is: this titrator is because the mode that adopts controlled volume pump to combine with titration time, just can conveniently realize the effectively accurately automatic gauge of titrimetric standard solution, simultaneously can also be according to the variation control rate of titration of vs luminosity, thereby improved the accuracy of titration, therefore this titrator has the advantage that detection is accurate, automaticity is high, simple to operation.Because independently optical system for collecting is organized in employing, can realize multiple titration test more simultaneously, enlarge the experimental applications scope, can realize the purpose of a tractor serves several purposes.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the structural representation of optical system for collecting.
The figure number explanation:
Standard solution storage bottle 1 woven hose 2 controlled volume pumps 3
Titration cell covers 4 titration cell pedestals, 5 titrating heads 6
Light-emitting component 7 photo-sensitive cells 8 stir piece 9
Magnetic force spill spin block 10 motors 11 titration cups 12
Data acquisition and treating apparatus 13 keyboards 14 printers 15
Light-emitting component two 7-2 photo-sensitive cells one 8-1 photo-sensitive cell two 8-2
Embodiment
The utility model is described in further detail below in conjunction with embodiment and accompanying drawing: as shown in Figure 1, the automatic photometric titrator of the utility model indication is made up of imbibition titration apparatus, data Collection ﹠ Processing System, titration darkroom, solution stirring device, input-output device and computing machine 16.Wherein the imbibition titration apparatus is connected mutually by standard solution storage bottle 1, woven hose 2, controlled volume pump 3, titrating head 6 and is constituted a complete titration path.And controlled volume pump 3 will be electrically connected with the port of data acquisition with treating apparatus 13, changes the rotating speed or the stroke of controlled volume pump 3 by data acquisition and treating apparatus 13 according to instruction, thereby reaches the purpose that changes rate of titration; Data Collection ﹠ Processing System is fixed on the light-emitting component 7 of the seat wall middle part of titration cell pedestal 5, one or more groups straight penetrate type optical system for collecting that photo-sensitive cell 8 is formed and data acquisition by paired symmetric arrangement and treating apparatus 13 constitutes, every group of straight penetrate type gloss acquisition system is to be electrically connected with the port of data acquisition with treating apparatus 13 separately, to transmit the electric signal of solution absorbance in the titration cups 12 to data acquisition and treating apparatus 13, carry out analyzing and processing for it; The titration darkroom is made up of titration cell pedestal 5, titration cup 12 and titration cell lid 4 with holes, and titration cup 12 is placed in the titration cell pedestal 5, and titration cell lid 4 is sealed on the top of titration cell pedestal 5.On the titration cell lid 4 the titration hole is arranged, the solution that makes things convenient for titrating head 6 to ooze splashes in the titration cup; The solution stirring device is made up of motor 11, magnetic force spill spin block 10 and stirring piece 9, wherein motor 11 will be electrically connected with the serial ports of data acquisition with treating apparatus 13, by the rotational speed of data acquisition and treating apparatus 13 its motors 11 of control, control the rotational speed of stirring piece 10 in titration cup 12 with this; Input-output device has comprised keyboard 14, display screen 17, printer 15, and they all will be electrically connected with treating apparatus 13 with data acquisition respectively, so that they carry out the input of related data and information and the output of net result and form is handled.Data acquisition can also link to each other with a computing machine 16 with treating apparatus, so this titrator just can be operated accordingly according to the dependent instruction of computing machine 16, carries out required exchanges data.
This titrator is when work, carry out the initialization of system earlier, each appliance component is carried out preheating and reset processing, be that keyboard or touch-screen are chosen test contents and the relevant primary data information (pdi) of input by the user by input media again, system chooses one group of light-emitting component in the optical system for collecting and photo-sensitive cell as the signals collecting end according to the content measurement chosen then, the control stirring motor rotates with initial velocity, make the stirring piece rotation in the titration cup, solution in the titration cup gradually is mixed, control controlled volume pump simultaneously and to titration cup, splash into standard solution from standard solution storage bottle by woven hose and titrating head by the speed of default, and the working time of the controlled volume pump of opening entry.In titration cup, adding gradually in the standard solution process, the light signal that light-emitting component constantly sends, because the light signal by titration cup and solution can change along with the variation of solution colour, the electric signal that photo-sensitive cell received and produced also changes thereupon, when data acquisition and treating apparatus reading related data and when comparing from this port with the terminal point determining pattern that system sets, can control the speed or the range of controlled volume pump and the speed of stirring motor according to the variable quantity system.Pattern by this change rate of titration and stirring rate can make the form of titrator operation more be tending towards people's operation format, makes sampling more stable, and final testing result is more accurate, reliable.System is by calculating the quality that each section rate of titration and used time just can calculate used standard solution when arriving titration end-point, and according to the final test result of the correlation data calculation that begins to import, the printer that connects by serial ports is reported by the report printing test result that system is provided with at last.
Claims (5)
1. automatic photometric titrator, include by titration cell pedestal (5), be arranged on the titration cup (12) of the transparent homogeneous in the titration cell pedestal (5) and be sealed on the titration darkroom of titration cell lid (4) composition with holes of titration cell pedestal (5) top, also include standard solution storage bottle (1), woven hose (2), controlled volume pump (3), titrating head (6) is connected and the imbibition titration apparatus that constitutes mutually, also include by motor (11), magnetic force spill spin block (10), stir the solution stirring device that piece (9) is formed, the middle part that it is characterized in that titration cell pedestal (5) perisporium, be provided with the straight penetrate type optical system that a group or more is made up of light-emitting component (7) and photo-sensitive cell (8) symmetrically, the also newly-increased in addition data acquisition and processing (DAP) device (13) that is provided with, input keyboard (14), display screen (17), printer (15), and the straight penetrate type optical system for collecting that each group is made up of light-emitting component (7) and photo-sensitive cell (8) is all wanted to be electrically connected with the port of data acquisition with treating apparatus (13) separately, controlled volume pump (3) in the titration apparatus of imbibition simultaneously will be electrically connected with the input end of data acquisition with treating apparatus (13) by PORT COM, motor in the solution stirring device (11) will be electrically connected with the serial ports of data acquisition with treating apparatus (13), and input keyboard (14), display screen (17), printer (15) port by separately respectively is electrically connected with treating apparatus (13) with data acquisition.
2. a kind of automatic photometric titrator according to claim 1 is characterized in that used light-emitting component (7) is light emitting diode or other stabilized light source, and used photo-sensitive cell (8) is photoresistance or photoelectric cell.
3. a kind of automatic photometric titrator according to claim 1 and 2 is characterized in that used controlled volume pump (3) is peristaltic pump or ram pump.
4. a kind of automatic photometric titrator according to claim 1 and 2 is characterized in that data acquisition can link to each other with a newly-increased computing machine (16) by PORT COM with treating apparatus (13).
5. a kind of automatic photometric titrator according to claim 3 is characterized in that data acquisition can link to each other with a newly-increased computing machine (16) by PORT COM with treating apparatus (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202435676U CN201594076U (en) | 2009-11-30 | 2009-11-30 | Automatic photometric titration apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202435676U CN201594076U (en) | 2009-11-30 | 2009-11-30 | Automatic photometric titration apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN201594076U true CN201594076U (en) | 2010-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009202435676U Expired - Fee Related CN201594076U (en) | 2009-11-30 | 2009-11-30 | Automatic photometric titration apparatus |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102103089A (en) * | 2011-02-28 | 2011-06-22 | 南京财经大学 | Titration end point determination device for determining fatty acid value of grain |
| CN103293152A (en) * | 2013-06-25 | 2013-09-11 | 长沙理工大学 | A method and an apparatus for end point detection in titration analysis |
| CN103323454A (en) * | 2012-03-22 | 2013-09-25 | 万研仪器科技（上海）有限公司 | Color indicator automatic titration analyzer and application method thereof |
| CN103901219A (en) * | 2014-03-25 | 2014-07-02 | 中国原子能科学研究院 | Suspension type mass titration device |
| CN105651772A (en) * | 2016-02-19 | 2016-06-08 | 山西临汾市政工程集团股份有限公司 | Automatic color-differentiation titration method and device adopting same |
| CN105717111A (en) * | 2016-04-29 | 2016-06-29 | 中储粮成都粮食储藏科学研究所 | Automatic titration device capable of detecting change in colour of solution based on machine vision and detection method thereof |
| CN106198532A (en) * | 2016-09-05 | 2016-12-07 | 江苏德林环保技术有限公司 | The dual wavelength autocontrol method of a kind of quick photometric titration and device |
| CN106853382A (en) * | 2017-02-22 | 2017-06-16 | 王飞 | A kind of reaction vessel |
| CN107764933A (en) * | 2017-11-22 | 2018-03-06 | 上海北裕分析仪器股份有限公司 | A kind of titration outfit and the titration method applied to analyzer |
| CN107782691A (en) * | 2017-09-23 | 2018-03-09 | 南京律智诚专利技术开发有限公司 | A kind of reactor of automatic decision reaction end |
| CN109115762A (en) * | 2018-08-15 | 2019-01-01 | 南京财经大学 | A kind of oil iv analyzer and its application method |
| CN114113458A (en) * | 2020-08-25 | 2022-03-01 | 中国石油化工股份有限公司 | Test device for evaluating mutual dissolution rate of acidified mutual solvent and use method |
| CN116223721A (en) * | 2023-04-27 | 2023-06-06 | 湖北华茂新能源科技有限公司 | Automatic monitoring type potentiometric titrator |
-
2009
- 2009-11-30 CN CN2009202435676U patent/CN201594076U/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102103089A (en) * | 2011-02-28 | 2011-06-22 | 南京财经大学 | Titration end point determination device for determining fatty acid value of grain |
| CN102103089B (en) * | 2011-02-28 | 2013-06-12 | 南京财经大学 | Titration end point determination device for determining fatty acid value of grain |
| CN103323454A (en) * | 2012-03-22 | 2013-09-25 | 万研仪器科技（上海）有限公司 | Color indicator automatic titration analyzer and application method thereof |
| CN103293152A (en) * | 2013-06-25 | 2013-09-11 | 长沙理工大学 | A method and an apparatus for end point detection in titration analysis |
| CN103901219A (en) * | 2014-03-25 | 2014-07-02 | 中国原子能科学研究院 | Suspension type mass titration device |
| CN103901219B (en) * | 2014-03-25 | 2016-06-22 | 中国原子能科学研究院 | Suspension type gravimetric titrimetry device |
| CN105651772A (en) * | 2016-02-19 | 2016-06-08 | 山西临汾市政工程集团股份有限公司 | Automatic color-differentiation titration method and device adopting same |
| CN105717111A (en) * | 2016-04-29 | 2016-06-29 | 中储粮成都粮食储藏科学研究所 | Automatic titration device capable of detecting change in colour of solution based on machine vision and detection method thereof |
| CN106198532A (en) * | 2016-09-05 | 2016-12-07 | 江苏德林环保技术有限公司 | The dual wavelength autocontrol method of a kind of quick photometric titration and device |
| CN106198532B (en) * | 2016-09-05 | 2018-09-04 | 江苏德林环保技术有限公司 | A kind of the dual wavelength autocontrol method and device of quick photometric titration |
| CN106853382A (en) * | 2017-02-22 | 2017-06-16 | 王飞 | A kind of reaction vessel |
| CN107782691A (en) * | 2017-09-23 | 2018-03-09 | 南京律智诚专利技术开发有限公司 | A kind of reactor of automatic decision reaction end |
| CN107764933A (en) * | 2017-11-22 | 2018-03-06 | 上海北裕分析仪器股份有限公司 | A kind of titration outfit and the titration method applied to analyzer |
| CN109115762A (en) * | 2018-08-15 | 2019-01-01 | 南京财经大学 | A kind of oil iv analyzer and its application method |
| CN114113458A (en) * | 2020-08-25 | 2022-03-01 | 中国石油化工股份有限公司 | Test device for evaluating mutual dissolution rate of acidified mutual solvent and use method |
| CN116223721A (en) * | 2023-04-27 | 2023-06-06 | 湖北华茂新能源科技有限公司 | Automatic monitoring type potentiometric titrator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100929 Termination date: 20171130 |