CN204758554U - Microminiature chromatographic column temperature control device - Google Patents
Microminiature chromatographic column temperature control device Download PDFInfo
- Publication number
- CN204758554U CN204758554U CN201520472224.2U CN201520472224U CN204758554U CN 204758554 U CN204758554 U CN 204758554U CN 201520472224 U CN201520472224 U CN 201520472224U CN 204758554 U CN204758554 U CN 204758554U
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- heat
- chromatographic column
- conducting block
- heat conduction
- conduction piece
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Abstract
The utility model discloses a microminiature chromatographic column temperature control device, including chromatographic column, heat conduction piece, heating rod, temperature sensitive resistance, adjustable ring, gland and post case casing, the central zone who burys the heat conduction piece is laid with temperature sensitive resistance to the heating rod to through the gland lock solid in the heat conduction piece, the connecting wire of heating rod and temperature sensitive resistance is worn out by the lower marginal pore of post case casing, chromatographic column spiral winding is on the surface of heat conduction piece to it is fixed through the adjustable ring, the bottom of heat conduction piece is fixed in the top cap, the inner wall of post case casing is filled has the cotton of heat preservation, and the heat conduction piece is inserted and is established in post case casing, and post case casing is fixed on the bottom, the utility model discloses a heating rod is to the whole heating of heat conduction piece, the heat through heat conduction piece transmission to winding in its surperficial chromatographic column, monitor the temperature of heat conduction piece constantly by temperature sensitive resistance, under externally control and the post case of PID control by temperature change circuit keep warm cotton heat preservation effect, make the heat conduction piece and twine the effect that obtains the constant temperature control by temperature change in its surperficial chromatographic column.
Description
Technical field
The utility model relates to chromatogram and on-line monitoring technique field, specifically a kind ofly heats chromatographic column and the microminiature chromatographic column attemperating unit of constant temperature temperature control.
Background technology
At present, in chromatogram monitoring instrument manufacturing, the pattern of the manufacture of the chromatograph box mostly general chromatograph box of reference laboratories, inner at metal heat preservation case, lay heat block, ambient air heats by heat block, and chromatographic column is maked somebody a mere figurehead in post case, stir air by the impeller in post case, chromatographic column is heated in air bath; Adopt traditional post case designing and manufacturing technique, post case overall volume is huge, the integrated installation of microminiature chromatogram platform cannot be used for, particularly for the industry special color spectrometer table of designated samples, often only use a root chromatogram column, but need to heat whole post case to keep the temperature of chromatographic column, be waste space or energy consumption all existed to a certain extent, be unfavorable for the integrated of stratographic analysis plateform system; Secondly, traditional colour chromatographic column box is fixed protection to chromatographic column and is only fixed with the nut of corresponding gas circuit by the import and export of chromatographic column, and do not have good fixing to the shaft reaching 5m, 10m, on the portable chromatogram being unfavorable for being applied in the irregular movement of needs and online cabinet-type chromatogram platform; In addition, traditional colour chromatographic column box structure relative complex, the maintenance of post case is higher with alternative costs, for the simple application analysis of designated samples, is unfavorable for promoting.
Utility model content
The purpose of this utility model is to provide one to be applicable to chromatogram monitoring requirement, improves chromatographic analysis system integrated level, is convenient to the microminiature chromatographic column attemperating unit safeguarded, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of microminiature chromatographic column attemperating unit, comprise chromatographic column, heat-conducting block, heating rod, thermo-sensitive resistor, regulating ring, gland, post tank shell, bottom, top cover and heat-preservation cotton, described heating rod and thermo-sensitive resistor lay the central area imbedding heat-conducting block, heating rod and thermo-sensitive resistor lock in the chamber of heat-conducting block by gland, and the connecting line of heating rod and thermo-sensitive resistor is passed by the lower marginal pore of post tank shell; Described chromatographic column is spirally wound on the surface of heat-conducting block, the post import of chromatographic column and outlet are all reserved in outside post tank shell, and the base that described regulating ring is screwed onto heat-conducting block from the top of heat-conducting block downwards along the winding screw thread of chromatographic column realizes fixing of chromatographic column and heat-conducting block; The bottom of described heat-conducting block is fixed in top cover, and the inwall of described post tank shell is filled with the heat-preservation cotton that thickness is 1cm, and the heat-conducting block being provided with top cover is plugged in post tank shell, and post tank shell is fixed on bottom.
As further program of the utility model: the cylinder of described chromatographic column is stainless steel pipe.
As the utility model further scheme: be filled with heat-conducting silicone grease in the chamber of described heat-conducting block.
Compared with prior art, the beneficial effects of the utility model are: the utility model is by imbedding the heating rod of heat-conducting block to the heating of heat-conducting block entirety, heat is passed to the chromatographic column being wrapped in heat-conducting block surface through heat-conducting block, monitored the temperature of heat-conducting block by the thermo-sensitive resistor moment; Under the control of outside PID temperature control circuit and the insulation effect of post case heat-preservation cotton, make heat-conducting block and be wound in the effect that surperficial chromatographic column obtains constant temperature temperature control; The utility model is except meeting the function to the heating of chromatographic column constant temperature high efficiency, also simplify the installation of chromatographic column, simultaneously in highly integrated chromatographic analysis system, only top cover need be removed, just chromatographic column and heat-conducting block together can be taken out, simplify maintenance and the replacing of chromatographic column and heater block, be regulated by the regulating ring of activity, can install on heat-conducting block and effectively fix the different chromatography packed column of various length specification, taking full advantage of the installing space of small chromatograph box.
Accompanying drawing explanation
Fig. 1 is detonation configuration schematic diagram of the present utility model.
Wherein, 1-chromatographic column; 2-heat-conducting block; 3-heating rod; 4-thermo-sensitive resistor; 5-regulating ring; 6-gland; 7-post tank shell; 8-bottom; 9-top cover; 10-heat-preservation cotton.
Embodiment
Be described in more detail below in conjunction with the technical scheme of embodiment to this patent.
Refer to Fig. 1, a kind of microminiature chromatographic column attemperating unit, comprises chromatographic column 1, heat-conducting block 2, heating rod 3, thermo-sensitive resistor 4, regulating ring 5, gland 6, post tank shell 7, bottom 8, top cover 9 and heat-preservation cotton 10; Described heating rod 3 lays with thermo-sensitive resistor 4 central area imbedding heat-conducting block 2, and is filled in filling heat-conducting silicone grease sealed chamber in heat-conducting block 2, and reduce in the heating resistor course of work, the speed of surface oxidation, ensure that heat transference efficiency simultaneously; Described chromatographic column 1 cylinder is stainless steel pipe, and chromatographic column 1 is wrapped in heat-conducting block 2 surface, is fixed by regulating ring 5 pairs of chromatographic columns 1, and regulate, 5 can vertically move adjustment on heat-conducting block 2, can be applicable to the installation of the chromatographic column 1 of all size length.
Concrete installation procedure of the present utility model comprises the following steps:
A) at the heating rod 3 of heat-conducting block 2 with thermo-sensitive resistor 4 chamber, add heat-conducting silicone grease, after heating rod 3 and thermo-sensitive resistor 4 are put into chamber completely, and to seal with heat-conducting silicone grease;
B) be fixed on heating rod 3 and the outside of thermo-sensitive resistor 4 chamber with gland 6, make heating rod 3 and thermo-sensitive resistor 4 be locked in the chamber of heat-conducting block 2;
C) connecting line of heating rod 3 with thermo-sensitive resistor 4 is passed from the lower marginal pore of post tank shell 7;
D) chromatographic column 1 is closely wound around along heat-conducting block 2 perficial helical, post import and outlet is stayed outside post tank shell 7, then twist downwards along screw thread from heat-conducting block 2 top with regulating ring 5, to regulating ring 5 and heat-conducting block 2 base, chromatographic column 1 is clamped;
E) will be fixed in top cover 9 bottom heat-conducting block 2;
F) with thickness be heat-preservation cotton 10 packed column tank shell 7 inner space of 1cm, the heat-conducting block 2 installing top cover 9 put into post tank shell 7, then post tank shell 7 is fixed on bottom 8.
The utility model is except meeting the function to the heating of chromatographic column constant temperature high efficiency, also simplify the installation of chromatographic column, simultaneously in highly integrated chromatographic analysis system, only top cover 9 need be removed, just chromatographic column 1 and heat-conducting block 2 together can be taken out, simplify maintenance and the replacing of chromatographic column 1 and heater block, regulated by the regulating ring 5 of activity, to install on heat-conducting block 2 and the different chromatogram of effectively fixing various length specification is filled out 1 and filled post, to take full advantage of the installing space of small chromatograph box.
Above the better embodiment of this patent is explained in detail, but this patent is not limited to above-mentioned embodiment, in the ken that one skilled in the relevant art possesses, various change can also be made under the prerequisite not departing from this patent aim.
Claims (3)
1. a microminiature chromatographic column attemperating unit, comprise chromatographic column (1), heat-conducting block (2), heating rod (3), thermo-sensitive resistor (4), regulating ring (5), gland (6), post tank shell (7), bottom (8), top cover (9) and heat-preservation cotton (1) (0), it is characterized in that: described heating rod (3) and thermo-sensitive resistor (4) lay the central area imbedding heat-conducting block (2), heating rod (3) and thermo-sensitive resistor (4) lock in the chamber of heat-conducting block (2) by gland (6), heating rod (3) is passed by the lower marginal pore of post tank shell (7) with the connecting line of thermo-sensitive resistor (4), described chromatographic column (1) is spirally wound on the surface of heat-conducting block (2), the post import of chromatographic column (1) and outlet are all reserved in post tank shell (7) outward, and the base that described regulating ring (5) is screwed onto heat-conducting block (2) from the top of heat-conducting block (2) downwards along the winding screw thread of chromatographic column (1) realizes the fixing of chromatographic column (1) and heat-conducting block (2), the bottom of described heat-conducting block (2) is fixed in top cover (9), the inwall of described post tank shell (7) is filled with the heat-preservation cotton (10) that thickness is 1cm, the heat-conducting block (2) being provided with top cover (9) is plugged in post tank shell (7), and post tank shell (7) is fixed on bottom (8).
2. microminiature chromatographic column attemperating unit according to claim 1, is characterized in that, the cylinder of described chromatographic column (1) is stainless steel pipe.
3. microminiature chromatographic column attemperating unit according to claim 1, is characterized in that, is filled with heat-conducting silicone grease in the chamber of described heat-conducting block (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520472224.2U CN204758554U (en) | 2015-06-30 | 2015-06-30 | Microminiature chromatographic column temperature control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520472224.2U CN204758554U (en) | 2015-06-30 | 2015-06-30 | Microminiature chromatographic column temperature control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204758554U true CN204758554U (en) | 2015-11-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520472224.2U Active CN204758554U (en) | 2015-06-30 | 2015-06-30 | Microminiature chromatographic column temperature control device |
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| Country | Link |
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| CN (1) | CN204758554U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106053690A (en) * | 2016-06-30 | 2016-10-26 | 杭州泽天科技有限公司 | Chromatographic column box and method of assembling same |
| CN107860854A (en) * | 2017-12-26 | 2018-03-30 | 海南聚能科技创新研究院有限公司 | A kind of gas detecting instrument |
| CN108645943A (en) * | 2018-05-31 | 2018-10-12 | 台州市台环环境检测科技有限公司 | The gas chromatograph post case quickly heated |
| WO2021120610A1 (en) * | 2020-07-13 | 2021-06-24 | 南通大学 | Highly-adjustable chromatography column temperature equalizer |
-
2015
- 2015-06-30 CN CN201520472224.2U patent/CN204758554U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106053690A (en) * | 2016-06-30 | 2016-10-26 | 杭州泽天科技有限公司 | Chromatographic column box and method of assembling same |
| CN107860854A (en) * | 2017-12-26 | 2018-03-30 | 海南聚能科技创新研究院有限公司 | A kind of gas detecting instrument |
| CN108645943A (en) * | 2018-05-31 | 2018-10-12 | 台州市台环环境检测科技有限公司 | The gas chromatograph post case quickly heated |
| CN108645943B (en) * | 2018-05-31 | 2020-05-05 | 台州市台环环境检测科技有限公司 | Fast heating gas chromatograph column box |
| WO2021120610A1 (en) * | 2020-07-13 | 2021-06-24 | 南通大学 | Highly-adjustable chromatography column temperature equalizer |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |