CN201965093U - Automatic titrating apparatus - Google Patents

Automatic titrating apparatus Download PDF

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Publication number
CN201965093U
CN201965093U CN2011200727253U CN201120072725U CN201965093U CN 201965093 U CN201965093 U CN 201965093U CN 2011200727253 U CN2011200727253 U CN 2011200727253U CN 201120072725 U CN201120072725 U CN 201120072725U CN 201965093 U CN201965093 U CN 201965093U
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CN
China
Prior art keywords
storage bottle
titrating
measured
controller
autotitrator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2011200727253U
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Chinese (zh)
Inventor
李勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Hegong Scientific Instruments Co., Ltd.
Original Assignee
Ningbo Polytechnic
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Filing date
Publication date
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Priority to CN2011200727253U priority Critical patent/CN201965093U/en
Application granted granted Critical
Publication of CN201965093U publication Critical patent/CN201965093U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to an automatic titrating apparatus which is suitable for the titrating operation based on the change in color of a tested liquid. The utility model can well solve the problems in the prior art that the automatic titrating apparatus has fewer functions and poor accuracy during the titrating operation which works on the base of the change in color of the tested liquid, and fails to complete most titrating operations. The utility model adopts the technical scheme as follows: the automatic titrating apparatus comprises a standard solution storage bottle and a tested liquid storage bottle, the standard solution storage bottle and the tested liquid storage bottle are communicated through a pipe, a metering pump is arranged on the pipe, the automatic titrating apparatus further comprises a titration detection pick-up head and a controller, the pick-up head faces the tested liquid storage bottle, and the controller is electrically connected with the pick-up head. The automatic titrating apparatus has the advantages of capability of automatically completing the analytic determination, high precision, small error and high recording accuracy.

Description

Autotitrator
Technical field
The utility model relates to a kind of chemical analysis instrument, particularly a kind of autotitrator that is suitable for the titration operation of liquid change color to be measured.
Background technology
The structure of autotitrator mainly contains following several in the market: simulation control, transform by the simple glass buret, install the titration end-point control circuit additional, the similar common buret of profile, its advantage are that price is very low, are applicable to the not high titrimetry of accuracy requirement of titration, but this autotitrator, function is few, low precision, and a lot of titration operations can not be finished; Digital control, automatic buret adds the autotitrator that numeral is differentiated titration end-point, this control system can be used Single-chip Controlling, also can be as PC control by microcomputer, liquid can be corresponding to be measured produces the titration operation of potential change, but then powerless to the titration operation that is sign with liquid change color to be measured.
Chinese patent notification number CN 2179581Y on October 12 1994 day for announcing, discloses a kind of numeral and has shown titrator, comprise commercially available accurate shape potentiometer, the double-piston liquid-feeding tube with accurate shape potentiometer, passes through crane, drive the double-piston liquid-feeding tube, this double-piston liquid-feeding tube is fixed in the container that standard solution is housed, and this piston is hung on the crane, mixes up verticality, below double-piston liquid-feeding tube mozzle water delivering orifice, put a container that measured object is housed.The titration operation that this technical scheme can corresponding liquid current potential to be measured changes, but when being carried out Operations Analyst, the titration operation that is sign with liquid change color to be measured then still need people's naked eyes to observe, more error is arranged.
Summary of the invention
The purpose of this utility model is to solve above-mentioned autotitrator of the prior art, and the titration operation function is few to being sign with liquid change color to be measured, low precision, the problem that a lot of titration operations can not be finished provides a kind of autotitrator that is suitable for the titration operation of liquid change color to be measured.
The technical scheme that its technical matters that solves the utility model adopts is: a kind of autotitrator, comprise standard solution storage bottle and liquid storage bottle to be measured, the standard solution storage bottle is communicated with by conduit with liquid storage bottle to be measured, conduit is provided with volume pump, described autotitrator also includes titration and detects camera and controller, described camera is aimed at liquid storage bottle to be measured, and described controller is electrically connected with described camera.Can be by camera is set to the monitoring of the color of solution in the liquid storage bottle to be measured, shoot with video-corder and transfer in the controller, in controller, the colouring information of analog quantity is converted into the color space model of digital quantity then by analog-to-digital conversion, controller writes down, analyzes the color space model of solution in the liquid bottle to be measured in the titration process then, judge the titration catastrophe point by the color space model, the real-time collection of illustrative plates of complete operation, processing are operated the pilot process data, are shown final measurement result.
As preferably, described controller is electrically connected with described volume pump.Be provided with like this, can in titration operation, carry out plug-in by controller by volume pump, corresponding with the real-time collection of illustrative plates of the operation of controller gained, improve the control accuracy of volume pump, simultaneously, the data of volume pump also feed back to controller with the standard solution amount of splashing into parameter, are calculated by controller and finish the final measurement result of liquid to be measured.
As preferably, described controller is a computer.Computer is widely used in the market, calculates rapidly, is fit to the various interface circuit, makes things convenient for the user to operate, and can also transmit data with volume pump and camera preferably, also can in time determination data be shown that applicability is good simultaneously.
As preferably, described liquid storage bottle to be measured is the glass conical flask.The glass conical flask is deposited comparatively stable.
As preferably, described autotitrator also includes the magnetic stirring apparatus that acts on the glass conical flask.Being provided with of magnetic stirring apparatus guaranteed that in titration operation solution can fully react in the glass conical flask, has reduced error, has improved precision.
The beneficial effects of the utility model are: the utility model can be suitable for the titration operation with liquid change color to be measured, and have and finish assay determination automatically, the precision height, error is little, writes down advantage accurately.
Description of drawings
Fig. 1 is a kind of principle schematic of the utility model.
Among the figure: 1, computer, 2, camera, 3, the glass conical flask, 4, magnetic stirring apparatus, 5, the standard solution storage bottle, 6, volume pump.
Embodiment
Below by specific embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment:
A kind of autotitrator (referring to accompanying drawing 1), comprise computer 1, camera 2, glass conical flask 3, magnetic stirring apparatus 4, standard solution storage bottle 5 and volume pump 6, there is the known standard solution of concentration in the standard solution storage bottle 5, standard solution storage bottle 5 by conduit be communicated with as glass conical flask 3, the conduit stage casing is provided with volume pump 6, glass conical flask 3 has liquid to be measured as liquid storage bottle internal memory to be measured, glass conical flask 3 is placed on the magnetic stirring apparatus 4, volume pump 6 is connected with computer 1 as controller by lead, computer 1 is connected with camera 2 by lead, and camera 2 is aimed at glass conical flask 3.
The user deposited a certain amount of liquid to be measured in the glass conical flask in when the utility model used, standard solution is deposited in the standard solution storage bottle, start the computer plug-in then, computer sends instruction and starts volume pump, volume pump splashes into standard solution in the glass conical flask lentamente, and with the standard solution quantity feedback to the computer that splashes into, magnetic stirring apparatus action this moment, help the interior two kinds of solution of glass conical flask to react fully, camera can be monitored the color of solution in the glass conical flask, shoot with video-corder and transfer to computer, the computer expert crosses the color space model that analog-to-digital conversion is converted into the colouring information of analog quantity digital quantity then, controller carries out record to the color space model of solution in the liquid bottle to be measured in the titration process then, analyze, and further send the instruction control volume pump, and finally judge titration catastrophe point, the real-time collection of illustrative plates of complete operation by the color space model, continuous data processing carrying out analytical calculation in conjunction with volume pump, show final measurement result.
Above-described embodiment is a kind of preferable scheme of the present utility model, is not that the utility model is done any pro forma restriction, also has other variant and remodeling under the prerequisite that does not exceed the technical scheme that claim puts down in writing.

Claims (5)

1. autotitrator, comprise standard solution storage bottle and liquid storage bottle to be measured, the standard solution storage bottle is communicated with by conduit with liquid storage bottle to be measured, conduit is provided with volume pump, it is characterized in that: described autotitrator also includes titration and detects camera and controller, described camera is aimed at liquid storage bottle to be measured, and described controller is electrically connected with described camera.
2. autotitrator according to claim 1 is characterized in that: described controller is electrically connected with described volume pump.
3. autotitrator according to claim 1 and 2 is characterized in that: described controller is a computer.
4. autotitrator according to claim 1 and 2 is characterized in that: described liquid storage bottle to be measured is the glass conical flask.
5. autotitrator according to claim 4 is characterized in that: described autotitrator also includes the magnetic stirring apparatus that acts on the glass conical flask.
CN2011200727253U 2011-03-18 2011-03-18 Automatic titrating apparatus Expired - Fee Related CN201965093U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011200727253U CN201965093U (en) 2011-03-18 2011-03-18 Automatic titrating apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011200727253U CN201965093U (en) 2011-03-18 2011-03-18 Automatic titrating apparatus

Publications (1)

Publication Number Publication Date
CN201965093U true CN201965093U (en) 2011-09-07

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CN2011200727253U Expired - Fee Related CN201965093U (en) 2011-03-18 2011-03-18 Automatic titrating apparatus

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Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104181157A (en) * 2013-05-28 2014-12-03 上海沛欧分析仪器有限公司 Real-time displaying method of detection process of azotometer color determination method
CN105301171A (en) * 2015-11-15 2016-02-03 常州大学 Worm wheel-driven linearly parallel sodium hydroxide calibration device of sulphur determination device
CN105301172A (en) * 2015-11-15 2016-02-03 常州大学 Direct-connection rotating operation-terminal sodium hydroxide calibration device of sulphur determination device
CN105300976A (en) * 2015-11-15 2016-02-03 常州大学 Sodium hydroxide calibration apparatus with worm-gear-transmission translation pedestal in sulfur determination instrument
CN105319319A (en) * 2015-11-15 2016-02-10 常州大学 Direct-connection double-rotation sodium hydroxide calibration device in sulfur determinator
CN105334212A (en) * 2015-10-24 2016-02-17 常州大学 Methyl orange flow control serial device with beaker moving transversely
CN105334334A (en) * 2015-10-24 2016-02-17 常州大学 Beaker translation series device with filtering and solution chloride ion removal functions
CN105353151A (en) * 2015-10-24 2016-02-24 常州大学 Operation end rotation methyl orange flow-control serial equipment
CN105353152A (en) * 2015-10-24 2016-02-24 常州大学 Simple equipment having filtering function for removing chlorine ions in solution
CN105353075A (en) * 2015-12-31 2016-02-24 常州大学 A sodium hydroxide standardization device directly connected to a translationally-moved pedestal in a sulfur determinator
CN105353149A (en) * 2015-10-24 2016-02-24 常州大学 Linear parallel equipment having filtering function for removing chlorine ions in solution
CN105353148A (en) * 2015-10-24 2016-02-24 常州大学 Circumferential parallel equipment used for removing chloride ions in soft coal calcination object
CN105352780A (en) * 2015-10-24 2016-02-24 常州大学 Operation end rotation serial equipment used for removing chloride ions in soft coal calcination object
CN105352956A (en) * 2015-11-15 2016-02-24 常州大学 Worm-transmission double-translation sodium hydroxide calibration device in sulfur determinator
CN105353146A (en) * 2015-10-24 2016-02-24 常州大学 Methyl orange flow circumferential parallel control equipment
CN105388307A (en) * 2015-10-24 2016-03-09 常州大学 Simple methyl orange flow control device
CN105388247A (en) * 2015-10-24 2016-03-09 常州大学 Beaker rotating and methyl orange flow control serial device
CN105424867A (en) * 2015-11-15 2016-03-23 常州大学 Direct-connecting double-translation sodium hydroxide calibration device in sulfur determinator
CN109115941A (en) * 2018-10-25 2019-01-01 王晓丽 Full-automatic titrator and its control method
CN109991361A (en) * 2019-03-25 2019-07-09 厦门大学 A kind of ammonia synthesis activity test method based on shape recognition techniques
CN111141728A (en) * 2018-11-06 2020-05-12 王在彬 Automatic titration end point judgment method

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104181157A (en) * 2013-05-28 2014-12-03 上海沛欧分析仪器有限公司 Real-time displaying method of detection process of azotometer color determination method
CN104181157B (en) * 2013-05-28 2017-03-29 上海沛欧分析仪器有限公司 The real-time display method of azotometer color criterion detection process
CN105334334A (en) * 2015-10-24 2016-02-17 常州大学 Beaker translation series device with filtering and solution chloride ion removal functions
CN105353149A (en) * 2015-10-24 2016-02-24 常州大学 Linear parallel equipment having filtering function for removing chlorine ions in solution
CN105352780A (en) * 2015-10-24 2016-02-24 常州大学 Operation end rotation serial equipment used for removing chloride ions in soft coal calcination object
CN105334212A (en) * 2015-10-24 2016-02-17 常州大学 Methyl orange flow control serial device with beaker moving transversely
CN105388247A (en) * 2015-10-24 2016-03-09 常州大学 Beaker rotating and methyl orange flow control serial device
CN105353151A (en) * 2015-10-24 2016-02-24 常州大学 Operation end rotation methyl orange flow-control serial equipment
CN105353152A (en) * 2015-10-24 2016-02-24 常州大学 Simple equipment having filtering function for removing chlorine ions in solution
CN105388307A (en) * 2015-10-24 2016-03-09 常州大学 Simple methyl orange flow control device
CN105353146A (en) * 2015-10-24 2016-02-24 常州大学 Methyl orange flow circumferential parallel control equipment
CN105353148A (en) * 2015-10-24 2016-02-24 常州大学 Circumferential parallel equipment used for removing chloride ions in soft coal calcination object
CN105319319A (en) * 2015-11-15 2016-02-10 常州大学 Direct-connection double-rotation sodium hydroxide calibration device in sulfur determinator
CN105300976A (en) * 2015-11-15 2016-02-03 常州大学 Sodium hydroxide calibration apparatus with worm-gear-transmission translation pedestal in sulfur determination instrument
CN105301172A (en) * 2015-11-15 2016-02-03 常州大学 Direct-connection rotating operation-terminal sodium hydroxide calibration device of sulphur determination device
CN105424867A (en) * 2015-11-15 2016-03-23 常州大学 Direct-connecting double-translation sodium hydroxide calibration device in sulfur determinator
CN105301171A (en) * 2015-11-15 2016-02-03 常州大学 Worm wheel-driven linearly parallel sodium hydroxide calibration device of sulphur determination device
CN105352956A (en) * 2015-11-15 2016-02-24 常州大学 Worm-transmission double-translation sodium hydroxide calibration device in sulfur determinator
CN105353075A (en) * 2015-12-31 2016-02-24 常州大学 A sodium hydroxide standardization device directly connected to a translationally-moved pedestal in a sulfur determinator
CN109115941B (en) * 2018-10-25 2024-02-27 王晓丽 Full-automatic titrator and control method thereof
CN109115941A (en) * 2018-10-25 2019-01-01 王晓丽 Full-automatic titrator and its control method
CN111141728A (en) * 2018-11-06 2020-05-12 王在彬 Automatic titration end point judgment method
CN109991361A (en) * 2019-03-25 2019-07-09 厦门大学 A kind of ammonia synthesis activity test method based on shape recognition techniques
CN109991361B (en) * 2019-03-25 2021-07-30 厦门大学 Ammonia synthesis activity detection method based on shape recognition technology

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C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: SHANGHAI HEGONG SCIENTIFIC INSTRUMENT CO., LTD.

Free format text: FORMER OWNER: NINGBO VOC-TECH COLLEGE

Effective date: 20140519

C41 Transfer of patent application or patent right or utility model
COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: 315800 NINGBO, ZHEJIANG PROVINCE TO: 201114 MINHANG, SHANGHAI

TR01 Transfer of patent right

Effective date of registration: 20140519

Address after: 201114 216-H, 778 Yue Yue Road, Shanghai, Minhang District

Patentee after: Shanghai Hegong Scientific Instruments Co., Ltd.

Address before: 315800 No. 1069, new road, Beilun economic and Technological Development Zone, Zhejiang, Ningbo

Patentee before: Ningbo Polytechnic College

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: 20110907

Termination date: 20200318