CN202049145U - Ion chromatogram electrical conductivity detector - Google Patents
Ion chromatogram electrical conductivity detector Download PDFInfo
- Publication number
- CN202049145U CN202049145U CN2011200696749U CN201120069674U CN202049145U CN 202049145 U CN202049145 U CN 202049145U CN 2011200696749 U CN2011200696749 U CN 2011200696749U CN 201120069674 U CN201120069674 U CN 201120069674U CN 202049145 U CN202049145 U CN 202049145U
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- clamping plate
- flow
- guiding channel
- electrode
- temperature control
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Abstract
The utility model discloses an ion chromatogram electrical conductivity detector, wherein an electrode clamping plate and a stream guiding clamping plate are connected together in a seal manner, electrode slices are alternately arranged on the electrode clamping plate, the stream guiding clamping plate is provided with a stream guiding channel for detection liquid, two ends of the stream guiding channel are respectively provided with a liquid inlet port and a liquid outlet port, and the electrode slices are corresponding to and matched with the detection flow-through cell of the stream guiding channel. The electrode slices are convenient in installation and easy for finish machining processing, detection is accurate, and the stream guiding channel is processed on the stream guiding clamping plate so as to easily and accurately change the volume of the detection flow-through cell and improve detection sensitivity. A temperature control diaphragm controls the detection liquid at a set temperature so as to guarantee the precision of detection.
Description
Technical field
The utility model relates to chromatography of ions, is a kind of ion chromatograph conductance detecting device concretely.
Background technology
Electric conductivity detector in the chromatography of ions instrument is subjected to rapidoprint, technology and structural restriction at present, has the detection signal instability, the shortcoming of constant temperature weak effect.For example present widely used five electrode conductance detecting devices, the liquid that detects passes through from the aperture on five ring stainless steel electrode slices, the aperture of arranged in series is formed the detection flow cell on annular electro pole piece and the insulating trip at interval, the accuracy that aperture on its electrode slice and the insulating trip aligns is low, machining precision is lower, and the aperture is difficult to further reduce; The electrode slice size is less, the polishing difficulty, these disadvantages affect the stability of detection signal.
The utility model content
It is lower that the utility model will solve existing electric conductivity detector detection flow cell machining precision, pore diameter range is limited, influence the stable technical matters of detection signal, provide that a kind of processing technology is simple, precision is high, detect the big ion chromatograph conductance detecting device of the flow cell aperture range of work.
In order to solve the problems of the technologies described above, the technical scheme that the utility model is taked is: a kind of ion chromatograph conductance detecting device, comprise electrode slice, electrode clamping plate and water conservancy diversion clamping plate are tightly connected together, what electrode slice was alternate is installed on the electrode clamping plate, the flow-guiding channel that tracer liquid is arranged on the water conservancy diversion clamping plate, the two ends of flow-guiding channel are respectively liquid inlet and liquid outlet; Electrode slice, cooperation corresponding with the detection flow cell of flow-guiding channel.
Tracer liquid enters from the liquid inlet of flow-guiding channel, from the liquid outlet outflow of flow-guiding channel, the fluid insulation in electrode slice and the flow-guiding channel.The pairing electricity of the ion concentration that measuring electrode sheet records is led or the resistance signal is delivered to the chromatography of ions disposal system, analyzes, detects and show.What electrode slice was alternate in order is installed on the electrode clamping plate, easy for installation, can reach the smooth unanimity of each electrode slice upper surface through polishing, makes and detects accurately.Flow-guiding channel processing is on the water conservancy diversion clamping plate, change the volume that detects flow cell easily accurately by changing the width and the degree of depth that detect flow cell, can effectively reduce the dead volume that detects flow cell, improve detection sensitivity, overcome the shortcoming of existing electric conductivity detector etc.
Flow-guiding channel break-through water conservancy diversion clamping plate; Bottom surface clamping plate medial surface seals flow-guiding channel, and the liquid inlet, bottom surface on the clamping plate of bottom surface and the liquid inlet of flow-guiding channel communicate, and the bottom surface liquid outlet on the clamping plate of bottom surface and the liquid outlet of flow-guiding channel communicate.Penetrate easier, the accurate processing of flow-guiding channel of two sides of water conservancy diversion clamping plate.
Flow-guiding channel is divided into detection flow cell and temperature control Buffer Pool; The temperature control diaphragm is installed,, the cooperation corresponding of temperature control diaphragm on the clamping plate lateral surface of bottom surface with the temperature control Buffer Pool of flow-guiding channel.Tracer liquid flows in the temperature control Buffer Pool and heats, and makes tracer liquid be controlled at design temperature, guarantees the precision that detects.
The temperature control Buffer Pool is snakelike tubulose.The temperature control Buffer Pool of snakelike tubulose has increased the heat time heating time of tracer liquid, makes its temperature controlled more accurate.
Water conservancy diversion clamping plate, electrode clamping plate and bottom surface clamping plate are tetrafluoro plates.Tetrafluoro plate acid and alkali-resistance and organic solvent-resistant.
The temperature control diaphragm is the semiconductor fiber diaphragm.The temperature control reaction velocity of semiconductor fiber diaphragm is fast.
The utility model has the advantages that: electrode slice is easy for installation, is easy to finishing and handles, and makes and detects accurately, and flow-guiding channel is processed on the water conservancy diversion clamping plate, changes the volume that detects flow cell easily accurately, improves detection sensitivity.The temperature control diaphragm makes tracer liquid be controlled at design temperature, guarantees the precision that detects.
Description of drawings
Fig. 1 is the structural profile synoptic diagram of an embodiment of the utility model;
Fig. 2 is the side view of Fig. 1.
Embodiment
Accompanying drawings.
The chromatography of ions five electrode conductance detecting devices of embodiment are made up of with the tetrafluoro plate membrane electrode clamping plate 2 in its left side and tetrafluoro plate film bottom surface clamping plate 3 adhesive seal on right side the tetrafluoro plate film water conservancy diversion clamping plate 1 of acid and alkali-resistance, organic solvent-resistant among the figure.The liquid inlet, bottom surface 8 on the bottom surface clamping plate 3 and the liquid inlet of flow-guiding channel 4 communicate, and the bottom surface liquid outlet 7 on the bottom surface clamping plate 3 and the liquid outlet of flow-guiding channel 4 communicate.Five strip electrode sheets 5 are arranged with spacing in order, lateral surface by injection moulding mode intercalation electrode clamping plate 2 lefts, electrode slice 5 little electrode clamping plate 2 lateral surface surfaces that are exposed to during setting-in, through the integral planar polishing, electrode slice 5 detection faces are consistent with electrode clamping plate 2 planar horizontal, got rid of the influence of smoothness to signal.On water conservancy diversion clamping plate 1, suppress liquid guide flow passage 4, flow-guiding channel 4 penetrates the left and right side of water conservancy diversion clamping plate 1, flow-guiding channel 4 is divided into and detects flow cell and temperature control Buffer Pool, relative, the cooperation of detection flow cell of electrode slice 5 and the vertical direction of flow-guiding channel 4, and electrode slice 5 is vertical with the detection flow cell.Change the volume that detects flow cell by the thickness of adjustment tetrafluoro plate and the width of flow-guiding channel 4, to reach the optimum detection effect, adopt film to make flow-guiding channel 4 and can effectively reduce the dead volume that detects flow cell, improve detection sensitivity, reach the irrealizable effect of punching on the electrode that has five electrode conductance detecting devices now.The temperature control diaphragm 6 of setting-in semiconductor fiber diaphragm on the right-hand lateral surface of bottom surface clamping plate 3, the temperature control Buffer Pool that is snakelike tubulose of temperature control diaphragm 6 and flow-guiding channel 4 is relative, cooperate, tracer liquid flows in the temperature control Buffer Pool and heats, make tracer liquid be controlled at design temperature, guarantee the precision that detects.Present embodiment increases temperature compensation function, before flow of liquid is crossed the relative position of detecting electrode sheet 5, reserves long temperature control Buffer Pool, and tracer liquid flows in the temperature control Buffer Pool and carries out preheating, reaches the effect of temperature compensation.Temperature value can be adjusted between to 50 degrees centigrade zero by control circuit.
Claims (7)
1. ion chromatograph conductance detecting device, comprise electrode slice (5), it is characterized in that electrode clamping plate (2) and water conservancy diversion clamping plate (1) are tightly connected together, what electrode slice (5) was alternate is installed on the electrode clamping plate (2), the flow-guiding channel (4) of tracer liquid is arranged on the water conservancy diversion clamping plate (1), and the two ends of flow-guiding channel (4) is respectively liquid inlet and liquid outlet; Electrode slice (5), cooperation corresponding with the detection flow cell of flow-guiding channel (4).
2. a kind of ion chromatograph conductance detecting device according to claim 1 is characterized in that flow-guiding channel (4) break-through water conservancy diversion clamping plate (1); Bottom surface clamping plate (3) medial surface seals flow-guiding channel (4), the liquid inlet, bottom surface (8) on the bottom surface clamping plate (3) and the liquid inlet of flow-guiding channel (4) communicate, and the bottom surface liquid outlet (7) on the bottom surface clamping plate (3) and the liquid outlet of flow-guiding channel (4) communicate.
3. a kind of ion chromatograph conductance detecting device according to claim 2 is characterized in that flow-guiding channel (4) is divided into detection flow cell and temperature control Buffer Pool; Temperature control diaphragm (6) is installed, temperature control diaphragm (6), cooperation corresponding on bottom surface clamping plate (3) lateral surface with the temperature control Buffer Pool of flow-guiding channel (4).
4. a kind of ion chromatograph conductance detecting device according to claim 3 is characterized in that the temperature control Buffer Pool is snakelike tubulose.
5. a kind of ion chromatograph conductance detecting device according to claim 1 is characterized in that water conservancy diversion clamping plate (1) and electrode clamping plate (2) are the tetrafluoro plates.
6. according to claim 2 or 3 described a kind of ion chromatograph conductance detecting devices, it is characterized in that bottom surface clamping plate (3) are the tetrafluoro plates.
7. a kind of ion chromatograph conductance detecting device according to claim 3 is characterized in that temperature control diaphragm (6) is the semiconductor fiber diaphragm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200696749U CN202049145U (en) | 2011-03-10 | 2011-03-10 | Ion chromatogram electrical conductivity detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200696749U CN202049145U (en) | 2011-03-10 | 2011-03-10 | Ion chromatogram electrical conductivity detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202049145U true CN202049145U (en) | 2011-11-23 |
Family
ID=44989450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200696749U Expired - Fee Related CN202049145U (en) | 2011-03-10 | 2011-03-10 | Ion chromatogram electrical conductivity detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202049145U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102854275A (en) * | 2012-07-29 | 2013-01-02 | 安徽皖仪科技股份有限公司 | Ion chromatography digital conductance detecting device based on digital signal processor (DSP) |
| CN108445417A (en) * | 2018-05-17 | 2018-08-24 | 合肥国轩高科动力能源有限公司 | A kind of test fixture of rectangular aluminum-shell battery constant temperature and pressure |
-
2011
- 2011-03-10 CN CN2011200696749U patent/CN202049145U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102854275A (en) * | 2012-07-29 | 2013-01-02 | 安徽皖仪科技股份有限公司 | Ion chromatography digital conductance detecting device based on digital signal processor (DSP) |
| CN102854275B (en) * | 2012-07-29 | 2014-11-12 | 安徽皖仪科技股份有限公司 | Ion chromatography digital conductance detecting device based on digital signal processor (DSP) |
| CN108445417A (en) * | 2018-05-17 | 2018-08-24 | 合肥国轩高科动力能源有限公司 | A kind of test fixture of rectangular aluminum-shell battery constant temperature and pressure |
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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 |
Granted publication date: 20111123 Termination date: 20200310 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |