CN203694671U - Preparation device of low-heat-capacity chromatographic column - Google Patents
Preparation device of low-heat-capacity chromatographic column Download PDFInfo
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- CN203694671U CN203694671U CN201320794243.8U CN201320794243U CN203694671U CN 203694671 U CN203694671 U CN 203694671U CN 201320794243 U CN201320794243 U CN 201320794243U CN 203694671 U CN203694671 U CN 203694671U
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- chromatographic column
- rotating disc
- heat capacity
- low heat
- disc
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- 238000002360 preparation method Methods 0.000 title claims abstract description 27
- 238000004804 winding Methods 0.000 claims abstract description 53
- 238000009413 insulation Methods 0.000 claims abstract description 24
- 238000010438 heat treatment Methods 0.000 abstract description 9
- 238000009529 body temperature measurement Methods 0.000 abstract 1
- 238000004321 preservation Methods 0.000 abstract 1
- 238000010304 firing Methods 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The utility model relates to the technical field of analytical instruments, and in particular relates to a preparation device of a low-heat-capacity chromatographic column. A rotary disk of the preparation device of the low-heat-capacity chromatographic column is positioned between a wire winding disk and a winding disk; a raw wire and an auxiliary silk wire on the wire winding disk penetrate through the rotary disk and are wound around the winding disk; a heat preservation wire and an insulation wire on the rotary disk are wound around the outer sides of the raw wire and the auxiliary silk wire; the rotary disk and the winding disk rotate at a constant speed, respectively. The preparation device of the low-heat-capacity chromatographic column is simple in structure and low in cost, the performance of the prepared low-heat-capacity chromatographic column can be improved, the prepared chromatographic column has the advantages of low power consumption, heat uniformity, high heating speed and accuracy in temperature measurement, and meanwhile, the wound chromatographic column can be used in a portable instrument.
Description
Technical field
The utility model relates to technical field of analytical instruments, relates in particular to a kind of preparation facilities of low heat capacity chromatographic column.
Background technology
In chromatographic applications, chromatographic column need to heat just and can normally use.Generally chromatographic column is placed in to larger post insulating box, uses heater strip to heat air in casing, this way occupation of land space is large, the rate of heat addition is low, is unfavorable for Miniaturization Design and special analysis needs.
In portable chromatographic applications, have at present two kinds of ways, one is that chromatographic column is wrapped in metal or ceramic shaft, and heater is attached on axle and is heated; Another kind is that chromatographic column is wrapped in metal cavitg, and heater is attached on metal-back and is heated.
Must defect but these two kinds of mode of heatings all exist.The one, the inequality of being heated: because general chromatographic column needs 30 meters or 50 meters in use, in winding process, due to the number of turns, too much to cause being wound around radius span excessive, no matter be to heat on winding axle or metal-back, can only there is sub-fraction chromatographic column can touch heating surface completely, other chromatographic columns need heat conducting mode to heat, simultaneous temperature has part to scatter and disappear in the time of conduction, can cause like this temperature difference of chromatographic column ability on different radii, has a significant impact analyzing.The 2nd, thermometric is inaccurate, generally in the time measuring chromatogram column temperature, only can use a temperature transducer, and temperature transducer only can be measured the temperature of a face, because the chromatographic column inequality of being heated itself occurs that the temperature difference causes the temperature recording can not well embody the temperature of chromatographic column, this also can impact analyzing.
Utility model content
(1) technical problem that will solve
The technical problems to be solved in the utility model has been to provide a kind of preparation facilities of low heat capacity chromatographic column, simple in structure, cost is lower, can prepare the chromatographic column heating on direct post, can improve the performance of the low heat capacity chromatographic column being prepared from, this chromatographic column has that power consumption is little, homogeneous heating, firing rate are fast and thermometric advantage accurately, and this chromatographic column can be used in portable instrument after being wound around simultaneously.
(2) technical scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of preparation facilities of low heat capacity chromatographic column, comprise wire spool, winding disc and the rotating disc between described wire spool and winding disc, former line on described wire spool and auxiliary silk thread are wound on winding disc through described rotating disc, and the thermal insulation thread on described rotating disc and insulated wire are wound in the outside of described former line and auxiliary silk thread; Described rotating disc and winding disc all rotate with constant speed.
Wherein, described winding disc is connected with the second speed regulator, and described the second speed regulator is for controlling to adjust the rotary speed of described winding disc.
Wherein, on described the second speed regulator, be also connected with the second motor.
Wherein, described rotating disc is connected with the first speed regulator, and described the first speed regulator is for controlling to adjust the rotary speed of described rotating disc.
Wherein, described the first speed regulator is connected with described rotating disc by hollow shaft, and described former line and auxiliary silk thread are wound on described winding disc through described hollow shaft.
Wherein, described the first speed regulator is also connected with the first motor.
Wherein, described rotating disc is provided with take-up hook and for being wound around the drum of described thermal insulation thread and insulated wire, described thermal insulation thread and insulated wire are wrapped in respectively the outside of described former line and auxiliary silk thread by described take-up hook.
Wherein, between described wire spool and rotating disc, be provided with leading truck, described leading truck is provided with pilot hole, between described rotating disc and winding disc, is provided with directive wheel, and described former line and auxiliary silk thread are wound on described winding disc through described pilot hole, rotating disc and directive wheel successively.
Wherein, described former line is capillary column, and described auxiliary silk thread is heater strip and/or temperature detecting resistance silk.
(3) beneficial effect
Technique scheme of the present utility model has following beneficial effect: the rotating disc of the preparation facilities of low heat capacity chromatographic column of the present utility model is between wire spool and winding disc, former line on wire spool and auxiliary silk thread are wound on winding disc through rotating disc, thermal insulation thread on rotating disc and insulated wire are wound in the outside of former line and auxiliary silk thread, rotating disc and winding disc all rotate with constant speed, by keeping winding disc with constant speed rotation, control the point-to-point speed of former line and auxiliary silk thread, by keeping rotating disc with constant speed rotation, realize thermal insulation thread and insulated wire and can be wrapped in uniformly the outside of former line and auxiliary silk thread, thereby improve the performance of the low heat capacity chromatographic column being prepared from, it has simple in structure, lower-cost feature, it is little that the chromatographic column being prepared into has power consumption, homogeneous heating, fast and the thermometric advantage accurately of firing rate, simultaneously this chromatographic column through winding after can be used in portable instrument.
Accompanying drawing explanation
Fig. 1 is the fundamental diagram of the preparation facilities of the low heat capacity chromatographic column of the utility model embodiment.
Wherein, 1: the first speed regulator; 11: the first motors; 12: hollow shaft; 2: the second speed regulators; 21: winding disc; 3: rotating disc; 31: drum; 32: take-up hook; 33: thermal insulation thread; 34: insulated wire; 4: wire spool; 5: former line; 6: auxiliary silk thread; 7: pilot hole; 8: directive wheel.
The specific embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples are used for illustrating the utility model, but can not be used for limiting scope of the present utility model.
In description of the present utility model, except as otherwise noted, the implication of " multiple " is two or more; Except as otherwise noted, the implication of " nick shaped " is the shape except cross section is concordant.Term " on ", orientation or the position relationship of the indication such as D score, " left side ", " right side ", " interior ", " outward ", " front end ", " rear end ", " head ", " afterbody " be based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, rather than indicate or imply that the device of indication or element must have specific orientation, construct and operation with specific orientation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second ", etc. only for describing object, and can not be interpreted as indication or hint relative importance.
As shown in Figure 1, the rotating disc 3 of the preparation facilities of the low heat capacity chromatographic column described in the present embodiment is between wire spool 4 and winding disc 21, former line 5 on wire spool 4 and auxiliary silk thread 6 are wound on winding disc 21 through rotating disc 3, thermal insulation thread 33 on rotating disc 3 and insulated wire 34 are wound in the outside of former line 5 and auxiliary silk thread 6, rotating disc 3 and winding disc 21 all rotate with constant speed, by keeping winding disc 21 with constant speed rotation, control the point-to-point speed of former line 5 and auxiliary silk thread 6, by keeping rotating disc 3 with constant speed rotation, realize thermal insulation thread 33 and insulated wire 34 and can be wrapped in uniformly the outside of former line 5 and auxiliary silk thread 6, thereby improve the performance of the low heat capacity chromatographic column being prepared from.
In the present embodiment, the preparation facilities of this low heat capacity chromatographic column be provided with two wire spools 4 on the right side, two wire spools 4 are arranged on creel, on two wire spools 4, be wound with respectively one or more former line 5 and auxiliary silk thread 6, former line 5 is preferably capillary column, auxiliary silk thread 6 is heater strip and/or temperature detecting resistance silk, is convenient to directly to capillary column heating and/or thermometric.
The side that keeps left of the preparation facilities of this low heat capacity chromatographic column is provided with a winding disc 21, for by the low heat capacity chromatographic column preparing with specifically require coiling, in order to use.Winding disc 21 is arranged on the second speed regulator 2, the second speed regulator 2 is connected with the second motor, the second speed regulator 2 in the present embodiment is slow-running governor, by regulating the second speed regulator 2 can control to adjust the rotary speed of winding disc 21, thereby control to adjust former line 5 and the auxiliary silk thread 6 straight-line speed from wire spool 4 to winding disc 21, make it keep lower constant speed to be wound on winding disc 21, increase the stability of the preparation facilities of this low heat capacity chromatographic column.
In the middle of wire spool 4 and winding disc 21, be provided with a rotating disc 3, rotating disc 3 is provided with two drums 31, on two drums 31, be wound with respectively thermal insulation thread 33 and insulated wire 34, on rotating disc 3, be also provided with take-up hook 32, take-up hook 32 is for choosing thermal insulation thread 33 and insulated wire 34 directly, can, at rotating disc 3 under the drive with constant speed rotation, be wrapped in uniformly the outside of former line 5 and auxiliary silk thread 6.
Rotating disc 3 is connected with on the first speed regulator 1, the first speed regulator 1 and is connected with the first motor 11 by hollow shaft 12, by regulating the first speed regulator 1 can control to adjust the rotary speed of rotating disc 3.The former line 5 and the auxiliary silk thread 6 that are wound pass from hollow shaft 12, under the drive of the first motor 11, the first speed regulator 1 controls to adjust rotating disc 3 with constant speed rotation, drive drum 31 to rotate, thereby after driving thermal insulation thread 33 and insulated wire 34 to choose directly by take-up hook 32, be wrapped in uniformly the outside of former line 5 and auxiliary silk thread 6.The first speed regulator 1 in the present embodiment is adjustable speed regulator, is provided with at a high speed and two patterns of low speed, can select different velocity modes according to actual requirement, effectively improves the operating efficiency of preparation work.
Between wire spool 4 and rotating disc 3, be provided with a leading truck, leading truck is provided with a pilot hole 7, and former line and auxiliary silk thread to be wound pass from pilot hole 7; Between rotating disc 3 and winding disc 21, be provided with one group of directive wheel 8, be wound on winding disc 21 through directive wheels 8 through thermal insulation thread 33 and insulated wire 34 windings former line 5 and auxiliary silk thread 6 later.By being used in conjunction with of pilot hole 7 and directive wheel 8, both can make the direction motion according to the rules of former line 5 and auxiliary silk thread 6, can make again former line 5 and auxiliary silk thread 6 tighten, so that thermal insulation thread 33 and insulated wire 34 are wrapped in its outside better more uniformly.
The preparation facilities of the low heat capacity chromatographic column of the present embodiment is in the time preparing low heat capacity chromatographic column, first former line 5 and auxiliary silk thread 6 are pulled out from wire spool 4, successively through pilot hole 7, hollow shaft 12 and directive wheel 8, then be wound on winding disc 21, thermal insulation thread on rotating disc 3 33 and insulated wire 34 are pulled out from drum 31, be wrapped on former line 5 and auxiliary silk thread 6 through take-up hook 32.
Open the second motor, can drive winding disc 21 to rotate, and then pull former line 5 and auxiliary silk thread 6 to be wrapped on winding disc 21 from wire spool 4, open the first motor 11, can rotate by driven rotary dish 3, thereby drive thermal insulation thread 33 and insulated wire 34 to be wrapped in the outside through former line 5 and the auxiliary silk thread 6 of rotating disc 3.
By controlling to adjust the first speed regulator 1 and the second speed regulator 2, control to adjust respectively the rotary speed of winding disc 21 and rotating disc 3, thereby control to adjust respectively the straight-line speed of former line 5 and auxiliary silk thread 6 and the speed of wrap of thermal insulation thread 33 and insulated wire 34, realize thermal insulation thread 33 and insulated wire 34 be wrapped in to the outside of former line 5 and auxiliary silk thread 6 uniformly, so prepare have that power consumption is little, the fast and thermometric low heat capacity chromatographic column accurately of homogeneous heating, firing rate.
According to actual needs, the preparation facilities of this low heat capacity chromatographic column can be realized simultaneously one or more former line 5, heater strip and temperature detecting resistance silk or temperature sensor are wound around to parcel through thermal insulation thread 33 and the insulated wire 34 of different materials, thus the performance of raising low heat capacity chromatographic column.
In sum, the rotating disc 3 of the preparation facilities of the low heat capacity chromatographic column of the present embodiment is between wire spool 4 and winding disc 21, former line 5 on wire spool 4 and auxiliary silk thread 6 are wound on winding disc 21 through rotating disc 3, thermal insulation thread 33 on rotating disc 3 and insulated wire 34 are wound in the outside of former line 5 and auxiliary silk thread 6, rotating disc 3 and winding disc 21 all rotate with constant speed, by keeping winding disc 21 with constant speed rotation, control the point-to-point speed of former line 5 and auxiliary silk thread 6, by keeping rotating disc 3 with constant speed rotation, realize thermal insulation thread 33 and insulated wire 34 and can be wrapped in uniformly the outside of former line 5 and auxiliary silk thread 6, thereby improve the performance of the low heat capacity chromatographic column being prepared from, it has simple in structure, lower-cost feature, it is little that the chromatographic column being prepared into has power consumption, homogeneous heating, fast and the thermometric advantage accurately of firing rate, simultaneously this chromatographic column through winding after can be used in portable instrument.
Embodiment of the present utility model provides for example with for the purpose of describing, and is not exhaustively or by the utility model to be limited to disclosed form.Many modifications and variations are apparent for the ordinary skill in the art.Selecting and describing embodiment is for better explanation principle of the present utility model and practical application, thereby and makes those of ordinary skill in the art can understand the utility model design to be suitable for the various embodiment with various modifications of special-purpose.
Claims (9)
1. the preparation facilities of a low heat capacity chromatographic column, it is characterized in that, comprise wire spool (4), winding disc (21) and be positioned at described wire spool (4) and winding disc (21) between rotating disc (3), it is upper that former line (5) on described wire spool (4) and auxiliary silk thread (6) are wound in winding disc (21) through described rotating disc (3), and the thermal insulation thread (33) on described rotating disc (3) and insulated wire (34) are wound in the outside of described former line (5) and auxiliary silk thread (6); Described rotating disc (3) and winding disc (21) all rotate with constant speed.
2. the preparation facilities of low heat capacity chromatographic column according to claim 1, it is characterized in that, described winding disc (21) is connected with the second speed regulator (2), and described the second speed regulator (2) is for controlling to adjust the rotary speed of described winding disc (21).
3. the preparation facilities of low heat capacity chromatographic column according to claim 2, is characterized in that, on described the second speed regulator (2), is also connected with the second motor.
4. the preparation facilities of low heat capacity chromatographic column according to claim 1, it is characterized in that, described rotating disc (3) is connected with the first speed regulator (1), and described the first speed regulator (1) is for controlling to adjust the rotary speed of described rotating disc (3).
5. the preparation facilities of low heat capacity chromatographic column according to claim 4, it is characterized in that, described the first speed regulator (1) is connected with described rotating disc (3) by hollow shaft (12), and described former line (5) and auxiliary silk thread (6) are wound on described winding disc (21) through described hollow shaft (12).
6. the preparation facilities of low heat capacity chromatographic column according to claim 5, is characterized in that, described the first speed regulator (1) is also connected with the first motor (11).
7. the preparation facilities of low heat capacity chromatographic column according to claim 1, it is characterized in that, described rotating disc (3) is provided with take-up hook (32) and for being wound around the drum (31) of described thermal insulation thread (33) and insulated wire (34), described thermal insulation thread (33) and insulated wire (34) are wrapped in respectively the outside of described former line (5) and auxiliary silk thread (6) by described take-up hook (32).
8. the preparation facilities of low heat capacity chromatographic column according to claim 1, it is characterized in that, between described wire spool (4) and rotating disc (3), be provided with leading truck, described leading truck is provided with pilot hole (7), between described rotating disc (3) and winding disc (21), be provided with directive wheel (8), described former line (5) and auxiliary silk thread (6) are wound on described winding disc (21) through described pilot hole (7), rotating disc (3) and directive wheel (8) successively.
9. according to the preparation facilities of the low heat capacity chromatographic column described in claim 1-8 any one, it is characterized in that, described former line (5) is capillary column, and described auxiliary silk thread (6) is heater strip and/or temperature detecting resistance silk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320794243.8U CN203694671U (en) | 2013-12-04 | 2013-12-04 | Preparation device of low-heat-capacity chromatographic column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320794243.8U CN203694671U (en) | 2013-12-04 | 2013-12-04 | Preparation device of low-heat-capacity chromatographic column |
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| Publication Number | Publication Date |
|---|---|
| CN203694671U true CN203694671U (en) | 2014-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320794243.8U Expired - Lifetime CN203694671U (en) | 2013-12-04 | 2013-12-04 | Preparation device of low-heat-capacity chromatographic column |
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| CN (1) | CN203694671U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112843791A (en) * | 2020-12-29 | 2021-05-28 | 广州禾信仪器股份有限公司 | Low heat capacity chromatographic column and production device thereof |
| CN113804809A (en) * | 2021-09-26 | 2021-12-17 | 上海裕达实业有限公司 | Portable gas chromatography-mass spectrometer rapid temperature control device |
-
2013
- 2013-12-04 CN CN201320794243.8U patent/CN203694671U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112843791A (en) * | 2020-12-29 | 2021-05-28 | 广州禾信仪器股份有限公司 | Low heat capacity chromatographic column and production device thereof |
| CN112843791B (en) * | 2020-12-29 | 2022-09-13 | 广州禾信仪器股份有限公司 | Low heat capacity chromatographic column and production device thereof |
| CN113804809A (en) * | 2021-09-26 | 2021-12-17 | 上海裕达实业有限公司 | Portable gas chromatography-mass spectrometer rapid temperature control device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140709 |
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| CX01 | Expiry of patent term |