CN201194008Y - Automatic thermostatic control device for ion chromatograph - Google Patents
Automatic thermostatic control device for ion chromatograph Download PDFInfo
- Publication number
- CN201194008Y CN201194008Y CNU2008200196303U CN200820019630U CN201194008Y CN 201194008 Y CN201194008 Y CN 201194008Y CN U2008200196303 U CNU2008200196303 U CN U2008200196303U CN 200820019630 U CN200820019630 U CN 200820019630U CN 201194008 Y CN201194008 Y CN 201194008Y
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- aluminium sheet
- ion chromatograph
- film heater
- ion
- thin film
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Abstract
The utility model relates to an ion chromatograph automatic thermostatic control device. A groove is formed on the front left side of an aluminum plate (3) for placing an ion separation column (6); a hole is formed on the front right side of an aluminum plate (4) for placing a temperature sensor (9); the temperature sensor (9) is connected with an ion chromatograph temperature controlling system (1); a film heater (2) is disposed between the aluminum plate (3) and the aluminum plate (4) while two aluminum plates clamps the film heater tightly by screws; the film heater (2) is connected to the control system through wires; a conductance cell (5) is disposed on the front center of the aluminum plate (4); the conductance cell (5) is connected to the conductance detection system of the ion chromatograph; a hanging bolt is arranged on the lower end of the conductance cell (5) for placing a suppressor (8); a semicircular hole is formed on an aluminum cap (7) which is fixed on the aluminum plate (4) by screws. The device in the utility model achieves the advantages of simple structure, low cost, easily making and accurate detection.
Description
Technical field
The utility model relates to a kind of ion chromatograph attemperating unit, relates in particular to a kind of ion chromatograph automatic thermostatic controller.
Technical background
Ion chromatograph is a kind of rigorous analysis instrument of analyzing zwitterion.Be widely used in all trades and professions such as environmental protection, electric power, tap water, disease control, quality inspection, oil, geology, electronics at present.Chromatography of ions test sample intermediate ion concentration is led and is realized that the ion concentration in the detected sample is big more by detecting electricity, easy more conduction, and conductivity is big more.And the size in electric the leading is relevant with the movement velocity of ion.Temperature raises will reduce liquid viscosity, and the motion of speeding-up ion consequently makes conductivity increase.The every rising of typical temperature once, conductivity will increase by 2～2.5%, electricity is led the influence of detection in order to eliminate environment temperature, both at home and abroad prior art adopts following several measures usually: one, adopt thermocolumn case constant temperature separating column, the degree of separation of separating column and sensitivity are not varied with temperature and change.Two, conductance cell is put temperature sensor, and by circuit detected conductance signal is compensated, make it not temperature influence, meanwhile for avoiding temperature low, the separating column post is imitated and is descended and can not use, and has also disposed the thermocolumn case.Three, respectively conductance cell and post case are carried out constant temperature.In a word, the solution environment temperature of three kinds of method parts is led electricity and is detected influence, not thorough the solution more than.Its root problem is not have constant temperature from the liquid that separating column flows in the past to entering conductance cell, carry out conductance cell and need equilibrium temperature again later on, and electric conductor volume≤1.5 μ l, temperature have little time the fine of balance and can spill out again, so detection data and spectrogram are not very stable.
Summary of the invention
The purpose of this utility model is at weak point of the prior art, a kind of ion chromatograph automatic thermostatic controller is provided, this device is that overall flow paths systems such as conductance cell, separating column all are fixed on the same heated substrates, with same calandria constant temperature (40 ℃ ± 0.03 ℃) to the same temperature, and be placed in the cabinet that same band adiabatic heat-insulation is convenient to operate, this is entering the conductance cell temperature problem of balance again with regard to effectively having been avoided sample.Detect data and spectrogram under identical condition, stability is greatly improved.
The purpose of this utility model is realized by following technical scheme, developed a kind of ion chromatograph automatic thermostatic controller, this device comprises aluminium sheet (3), aluminium sheet (4), thin film heater (2), temperature sensor (9), conductance cell (5), ion isolation post (6), aluminium lid (7), rejector (8) is formed: it is characterized in that opening in aluminium sheet (3) frontal left and get groove and place ion isolation post (6), aluminium sheet (4) positive right side position perforate laying temperature sensor (9), temperature sensor (9) is connected with ion chromatograph temperature control system (1), thin film heater (2) is arranged in the middle of aluminium sheet (3) and the aluminium sheet (4), aluminium sheet (3) and aluminium sheet (4) clamp thin film heater (2) by screw fixings, thin film heater (2) is connected with control system by lead, in the positive middle part of aluminium sheet (4) conductance cell (5) is set, conductance cell (5) is led detection system by lead with the ion chromatograph electricity and is connected, establish the suspension bolt in conductance cell (5) lower end and place rejector (8), open on aluminium lid (7) and get a semicircle aperture, aluminium lid (7) is fixing by screw and aluminium sheet (4).
Described thin film heater (2) thickness is the 0.1--0.3 millimeter, and temperature reaches 80 ℃.
REF200U constant current source module is set in the described constant temperature control system (1).
The degree of depth of described groove is the 2-3 millimeter, and width is the 2-3 millimeter, and length is 10-15 millimeters.
The utility model has the advantages that: thoroughly solved the influence of temperature to tested ionic conductivity, only needed a constant temperature system, simple in structure, cost descends, makes simply, detects accurately.
Description of drawings
Fig. 1 is the automatic thermostatic controller side schematic view;
Fig. 2 is the automatic thermostatic controller floor map.
Specific embodiment
Referring to Fig. 1---Fig. 2 the utility model has been developed a kind of ion chromatograph automatic thermostatic controller, takes following steps:
This device comprises aluminium sheet (3), aluminium sheet (4), thin film heater (2), temperature sensor (9), conductance cell (5), ion isolation post (6), aluminium lid (7), rejector (8) is formed: it is characterized in that opening in aluminium sheet (3) frontal left and get groove and place ion isolation post (6), aluminium sheet (4) positive right side position perforate laying temperature sensor (9), temperature sensor (9) is connected with ion chromatograph temperature control system (1), thin film heater (2) is arranged in the middle of aluminium sheet (3) and the aluminium sheet (4), aluminium sheet (3) and aluminium sheet (4) clamp thin film heater (2) by screw fixings, thin film heater (2) is connected with control system by lead, in the positive middle part of aluminium sheet (4) conductance cell (5) is set, conductance cell (5) is led detection system by lead with the ion chromatograph electricity and is connected, establish the suspension bolt in conductance cell (5) lower end and place rejector (8), open on aluminium lid (7) and get a semicircle aperture, aluminium lid (7) is fixing by screw and aluminium sheet (4).
Described thin film heater (2) thickness is the 0.1--0.3 millimeter, and temperature reaches 80 ℃.
REF200U constant current source module is set in the described constant temperature control system (1).
The degree of depth of described groove is the 2-3 millimeter, and width is the 2-3 millimeter, and length is 10-15 millimeters.
Those of ordinary skill in the art can understand, and in protection domain of the present utility model, makes amendment for the foregoing description, and it all is possible adding and replacing, and it does not all exceed protection domain of the present utility model.
Claims (4)
1. ion chromatograph automatic thermostatic controller, comprise aluminium sheet (3), aluminium sheet (4), thin film heater (2), temperature sensor (9), conductance cell (5), ion isolation post (6), aluminium lid (7), rejector (8) is formed: it is characterized in that opening in aluminium sheet (3) frontal left and get groove and place ion isolation post (6), aluminium sheet (4) positive right side position perforate laying temperature sensor (9), temperature sensor (9) is connected with ion chromatograph temperature control system (1), thin film heater (2) is arranged in the middle of aluminium sheet (3) and the aluminium sheet (4), aluminium sheet (3) and aluminium sheet (4) clamp thin film heater (2) by screw fixings, thin film heater (2) is connected with control system by lead, in the positive middle part of aluminium sheet (4) conductance cell (5) is set, conductance cell (5) is led detection system by lead with the ion chromatograph electricity and is connected, establish the suspension bolt in conductance cell (5) lower end and place rejector (8), open on aluminium lid (7) and get a semicircle aperture, aluminium lid (7) is fixing by screw and aluminium sheet (4).
2. ion chromatograph automatic thermostatic controller according to claim 1 is characterized in that: described thin film heater (2) thickness is the 0.1--0.3 millimeter, and temperature reaches 80 ℃.
3. ion chromatograph automatic thermostatic controller according to claim 1 is characterized in that in this constant temperature control system (1) REF200U constant current source module being set.
4. ion chromatograph automatic thermostatic controller according to claim 1 is characterized in that: the degree of depth of described groove is the 2-3 millimeter, and width is the 2-3 millimeter, and length is 10-15 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200196303U CN201194008Y (en) | 2008-03-25 | 2008-03-25 | Automatic thermostatic control device for ion chromatograph |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200196303U CN201194008Y (en) | 2008-03-25 | 2008-03-25 | Automatic thermostatic control device for ion chromatograph |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201194008Y true CN201194008Y (en) | 2009-02-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200196303U Expired - Fee Related CN201194008Y (en) | 2008-03-25 | 2008-03-25 | Automatic thermostatic control device for ion chromatograph |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201194008Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102591382A (en) * | 2012-03-14 | 2012-07-18 | 中兴通讯股份有限公司 | Temperature control device, method and electronic equipment |
| CN102944633A (en) * | 2012-10-31 | 2013-02-27 | 青岛轩汇仪器设备有限公司 | Ion chromatograph |
| CN104020226A (en) * | 2014-05-16 | 2014-09-03 | 安徽皖仪科技股份有限公司 | Apparatus with improved CO2 inhibiting performance and special for ion chromatograph instruments and method for improving CO2 inhibiting performance of apparatus |
| CN107421997A (en) * | 2017-07-31 | 2017-12-01 | 贵州开磷质量检测中心有限责任公司 | A kind of method of constant temperature system for conductivity measurement and measurement electrical conductivity |
| CN108279625A (en) * | 2017-12-30 | 2018-07-13 | 利穗科技(苏州)有限公司 | Digitize tomographic system and method |
-
2008
- 2008-03-25 CN CNU2008200196303U patent/CN201194008Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102591382A (en) * | 2012-03-14 | 2012-07-18 | 中兴通讯股份有限公司 | Temperature control device, method and electronic equipment |
| US9756758B2 (en) | 2012-03-14 | 2017-09-05 | Zte Corporation | Temperature control device and method and electronic device |
| CN102944633A (en) * | 2012-10-31 | 2013-02-27 | 青岛轩汇仪器设备有限公司 | Ion chromatograph |
| CN104020226A (en) * | 2014-05-16 | 2014-09-03 | 安徽皖仪科技股份有限公司 | Apparatus with improved CO2 inhibiting performance and special for ion chromatograph instruments and method for improving CO2 inhibiting performance of apparatus |
| CN104020226B (en) * | 2014-05-16 | 2016-05-04 | 安徽皖仪科技股份有限公司 | The special CO of a kind of ion chromatograph2TVS performance raising method and device |
| CN107421997A (en) * | 2017-07-31 | 2017-12-01 | 贵州开磷质量检测中心有限责任公司 | A kind of method of constant temperature system for conductivity measurement and measurement electrical conductivity |
| CN108279625A (en) * | 2017-12-30 | 2018-07-13 | 利穗科技(苏州)有限公司 | Digitize tomographic system and method |
| CN108279625B (en) * | 2017-12-30 | 2023-09-05 | 利穗科技(苏州)有限公司 | Digital chromatography system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090211 Termination date: 20100325 |