CN213689655U - Cooling constant temperature sample dish for sample injector - Google Patents
Cooling constant temperature sample dish for sample injector Download PDFInfo
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- CN213689655U CN213689655U CN202022104682.4U CN202022104682U CN213689655U CN 213689655 U CN213689655 U CN 213689655U CN 202022104682 U CN202022104682 U CN 202022104682U CN 213689655 U CN213689655 U CN 213689655U
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Abstract
The utility model discloses a cooling constant temperature sample dish for sampling ware, including sample dish and sample dish base, the two can be dismantled the connection, still include constant temperature cooling device, constant temperature cooling device including cooling oversheath, temperature sensor, controller, sheath apron and cooling piece, cooling oversheath cover establish the outside at sample dish and sample dish base, the sheath apron is used for making sample dish and sample dish base be in an inclosed space with the cooperation of cooling oversheath, temperature sensor is used for monitoring the temperature in the airtight space. The utility model discloses a constant temperature refrigeration module that sets up in the sample dish base, under the host computer settlement temperature, the constant temperature air current that will refrigerate the module production blows in the sample dish thermostated container through the sample dish ventilation hole in, guarantees that the sample in the sample dish is invariable at the uniform temperature, sets up on the base simultaneously by the heat insulating board, makes sample dish heat preservation thermostated container and sample dish base form relative confined space, satisfies the demand accurate to the temperature in the experimentation.
Description
Technical Field
The utility model relates to an automatic sample injector sample dish technical field especially relates to a cooling constant temperature sample dish for sample injector.
Background
At present, the existing sample trays for the automatic sample feeders basically have the functions of normal temperature or heating constant temperature, the accuracy and precision of results cannot be ensured for long-time automatic sample feeding of samples needing to be cooled and kept at constant temperature, and the detected samples need to be cooled and kept at constant temperature due to long detection time and large sample amount when the automatic sample feeding of instruments such as liquid chromatography, ion chromatography, purging and spectrum collection and the like is carried out.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a cooling constant temperature sample dish for sampling ware can satisfy the appearance bottle of advancing of multiple model size according to the demand of reality, has simultaneously and cools off functions such as constant temperature, heat preservation to the sample, realizes liquid chromatogram, ion chromatogram, sweeps instruments such as spectrum collection and to the homothermal needs of sample cooling.
The utility model adopts the technical proposal that:
a cooling constant-temperature sample disc for a sample feeder comprises a sample disc and a sample disc base which are detachably connected, and further comprises a constant-temperature cooling device, wherein the constant-temperature cooling device comprises a cooling outer sheath, a temperature sensor, a controller, a sheath cover plate and a cooling piece, the cooling outer sheath is sleeved outside the sample disc and the sample disc base, the sheath cover plate is used for being matched with the cooling outer sheath to enable the sample disc and the sample disc base to be located in a closed space, and the temperature sensor is used for monitoring the temperature in the closed space; the output end of the temperature sensor is connected with the input end of the controller, and the output end of the controller is connected with the power circuit of the cooling piece in a control mode.
The sample disc consists of a central shaft, an upper sample disc plate, support columns, a lower sample disc plate, sample disc driving grooves and sample disc vent holes, wherein the upper sample disc plate and the lower sample disc plate are both annular and are fixed through the support columns; the sample tray upper plate is provided with a plurality of sample bottle positioning holes, the bottom of the central shaft is connected with the driving structure of the sample tray, and the top of the central shaft is provided with a grabbing handle.
And a plurality of vent holes are formed in the lower disc of the sample disc.
The vent hole is circular.
The cooling part comprises a semiconductor refrigeration module, a refrigeration module mounting frame, a hot end pipeline, a cold end pipeline, a first fan, a second fan and a third fan, the refrigeration module comprises a semiconductor refrigeration piece, heat-conducting silica gel and a first heat-conducting block and a second heat-conducting block, one side of the first heat-conducting block and one side of the second heat-conducting block are respectively arranged on two sides of the semiconductor refrigeration piece through the heat-conducting silica gel, one side wall of the hot end pipeline and one side wall of the cold end pipeline are respectively arranged on the other side of the first heat-conducting block or the other side of the second heat-conducting block, the first fan and the second fan are respectively fixedly arranged at two ends of the hot end pipeline, the third fan is fixedly arranged at one end of the cold end pipeline, the hot end pipeline is arranged outside the cooling outer sheath, and the cold.
The inside of hot junction pipeline and cold junction pipeline on all be provided with a plurality of heat conduction folds.
And the inner wall of the cooling outer sheath is also provided with a heat-insulating layer.
The temperature sensor is fixedly arranged on the cold end pipeline.
The mounting frame and/or the cooling outer sheath are made of plastic.
The air conditioner also comprises a guide plate, wherein the guide plate is obliquely arranged at the air outlet of the refrigerating pipeline and used for guiding cold air upwards.
The utility model discloses a constant temperature refrigeration module that sets up in the sample dish base, under the host computer settlement temperature, the constant temperature air current that will refrigerate the module production blows in the sample dish thermostated container through the sample dish ventilation hole in, guarantees that the sample in the sample dish is invariable at the uniform temperature, sets up on the base simultaneously by the heat insulating board, makes sample dish heat preservation thermostated container and sample dish base both form relative confined space, fine satisfying the demand accurate to the temperature in the experimentation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a horizontal sectional view of fig. 1 according to the present invention;
fig. 3 is a top view of a sample tray according to the present invention;
fig. 4 is a bottom view of the sample tray of the present invention;
fig. 5 is a schematic structural view of the refrigerating unit according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
As shown in fig. 1, 2 and 3, the utility model discloses a sample dish and sample dish base, the two can be dismantled and connect, still include constant temperature cooling device, constant temperature cooling device include cooling oversheath, temperature sensor, controller, sheath apron (not shown in the figure) and cooling piece 4, the cooling oversheath cover establish the outside at sample dish and sample dish base, the sheath apron is used for making sample dish and sample dish base be in a confined space with cooling oversheath cooperation, temperature sensor is used for monitoring the temperature in the confined space; the output end of the temperature sensor is connected with the input end of the controller, and the output end of the controller is connected with the power circuit of the cooling piece in a control mode.
As shown in fig. 4, the sample tray comprises a central shaft 14, an upper sample tray plate 15, support pillars 16, a lower sample tray plate 17, sample tray driving grooves 18, and sample tray vent holes 19, wherein the upper sample tray plate 15 and the lower sample tray plate 17 are both annular and are fixed by the support pillars 16, the upper sample tray plate 15 is provided with a plurality of sample bottle positioning holes 25, the bottom of the central shaft 14 is connected with a driving structure of the sample tray, and the top is provided with a gripping handle 24.
The lower plate 17 of the sample tray is provided with a plurality of vent holes 19. The ventilation holes 19 are circular. A plurality of through holes enable each sample injection bottle in the sample injection plate to be balanced in temperature through gas, and regulation and control are facilitated.
As shown in fig. 5, the cooling member 4 includes a semiconductor refrigeration module, a refrigeration module mounting frame 23, a hot end pipeline 8, a cold end pipeline 12, a first fan 13, a second fan 25 and a third fan 24, the refrigeration module includes a semiconductor refrigeration sheet 11, heat-conducting silica gel 10 and two heat-conducting blocks 9, one side of each of the two heat-conducting blocks 9 is respectively disposed at two sides of the semiconductor refrigeration sheet 11 through the heat-conducting silica gel 10, one side wall of each of the hot end pipeline 8 and the cold end pipeline 1 is respectively disposed in contact with the other side of the first heat-conducting block or the second heat-conducting block, the first fan 13 and the second fan 25 are respectively fixedly disposed at two ends of the hot end pipeline 8, the third fan 24 is fixedly disposed at one end of the cold end pipeline 12, the hot end pipeline 8 is disposed outside the cooling outer sheath, the cold end pipeline 8 is disposed inside the cooling outer sheath, the semiconductor refrigeration sheet 11 is used for being connected with a power circuit of the power, in practical application, the cooling jacket is further provided with a wire passing hole 22 for the lead wire 27 to pass through, and is hermetically arranged.
The utility model discloses in cooling oversheath including setting up cyclic annular lateral wall 7 on box body 5 and the box body below, box body 5 is used for covering the drive shaft and establishes, cyclic annular lateral wall takes 7 to join in marriage the sheath apron and is used for covering the feeding tray and establishes, the two integration is made, thereby collocation bottom plate 1 makes whole sampling equipment cover and establishes.
The inside of hot junction pipeline 8 and cold junction pipeline 12 on all be provided with a plurality of heat conduction folds, set up heat conduction fold and make and lead warm efficiency and improve greatly.
The inner wall of the cooling outer sheath is also provided with a heat preservation layer, the temperature of the cooling outer sheath is kept more stable due to the arrangement of the heat preservation layer, and energy waste is reduced.
In order to further improve the constant temperature property in the outer cooling jacket, a guide plate 21 is further arranged in the outer cooling jacket, so that cold air can better flow upwards to the sample disc, and further, the internal large-range cold circulation is realized.
The mounting frame and/or the cooling outer sheath are made of plastic, the plastic can keep certain rigidity, and the mounting frame and/or the cooling outer sheath are good in insulation and heat insulation, low in cost and light in weight.
In practical application, in order to achieve better heat dissipation efficiency, the two ends of the hot end pipeline are respectively provided with the external circulation air outlet 1, the external circulation channel 2 and the external circulation air inlet 3, so that air inlet and air outlet of the device can be adjusted according to actual requirements, and design obstacles of the air inlet and outlet channels of the heat pipe pipeline on the same straight line are avoided.
Circular ventilation hole on the sample dish lower wall, mainly used sample tube location and cooling constant temperature air current circulation flow, have on the sample dish hanging wall with sample tube external diameter assorted through-hole for the sample tube location is connected with the support column between the upper and lower dish, has the center pin in the middle of the sample dish, and the center pin is made for plastics, and there is the polygon on the center pin to snatch the handle, and the centre is porose, and with lower extreme drive shaft phase-match, there is the drive recess center pin one side, matches with the epaxial round pin of drive, and the drive shaft drives the sample dish and rotates.
The sample dish outside has and is used for homothermal heat exchanger 7, and the heat exchanger material that separates is plastics, and the shape is circular, and the diameter matches with the sample dish, and circular heat exchanger that separates is higher than the sample dish, mainly used places the lid on the heat exchanger that separates.
The utility model discloses a constant temperature refrigeration module that sets up in the sample dish base, under the host controller settlement temperature, the constant temperature air current that produces the refrigeration module blows in the sample dish thermostated container through the sample dish ventilation hole in, guarantees that the sample in the sample dish is invariable at the uniform temperature, sets up on the base simultaneously by the heat insulating board, makes sample dish heat preservation thermostated container and sample dish base both form relative confined space, fine satisfying the demand accurate to the temperature in the experimentation.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates that the orientation and positional relationship shown in the drawings are based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated without limiting the specific scope of protection of the present invention.
It is noted that the terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the application of the principles of the technology. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the specific embodiments described herein, and may include more effective embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. The utility model provides a sample introduction is with cooling constant temperature sample dish, includes sample dish and sample dish base, and the two can dismantle the connection, its characterized in that: the constant-temperature cooling device comprises a cooling outer sheath, a temperature sensor, a controller, a sheath cover plate and a cooling part, wherein the cooling outer sheath is sleeved outside the sample disc and the sample disc base, the sheath cover plate is used for being matched with the cooling outer sheath to enable the sample disc and the sample disc base to be positioned in a closed space, and the temperature sensor is used for monitoring the temperature in the closed space; the output end of the temperature sensor is connected with the input end of the controller, and the output end of the controller is connected with the power circuit of the cooling piece in a control mode.
2. The cooled, isothermal sample tray for a sampler according to claim 1, characterized in that: the sample disc consists of a central shaft, an upper sample disc plate, support columns, a lower sample disc plate, sample disc driving grooves and sample disc vent holes, wherein the upper sample disc plate and the lower sample disc plate are both annular and are fixed through the support columns; the sample tray upper plate is provided with a plurality of sample bottle positioning holes, the bottom of the central shaft is connected with the driving structure of the sample tray, and the top of the central shaft is provided with a grabbing handle.
3. The cooled, isothermal sample tray for a sampler according to claim 2, characterized in that: and a plurality of vent holes are formed in the lower disc of the sample disc.
4. The cooled isothermal sample tray for a sample injector according to claim 3, characterized in that: the vent hole is circular.
5. The cooled, isothermal sample tray for a sampler according to claim 1, characterized in that: the cooling part comprises a semiconductor refrigeration module, a refrigeration module mounting frame, a hot end pipeline, a cold end pipeline, a first fan, a second fan and a third fan, the refrigeration module comprises a semiconductor refrigeration piece, heat-conducting silica gel and a first heat-conducting block and a second heat-conducting block, one side of the first heat-conducting block and one side of the second heat-conducting block are respectively arranged on two sides of the semiconductor refrigeration piece through the heat-conducting silica gel, one side wall of the hot end pipeline and one side wall of the cold end pipeline are respectively arranged on the other side of the first heat-conducting block or the other side of the second heat-conducting block, the first fan and the second fan are respectively and fixedly arranged at two ends of the hot end pipeline, the third fan is fixedly arranged at one end of the cold end pipeline, the hot end pipeline is arranged outside the cooling outer sheath, and the cold end.
6. The cooled isothermal sample tray for a sample injector according to claim 5, characterized in that: the inside of hot junction pipeline and cold junction pipeline on all be provided with a plurality of heat conduction folds.
7. The cooled isothermal sample tray for a sample injector according to claim 6, characterized in that: and the inner wall of the cooling outer sheath is also provided with a heat-insulating layer.
8. The cooled, isothermal sample tray for a sampler according to claim 7, wherein: the temperature sensor is fixedly arranged on the cold end pipeline.
9. The cooled isothermal sample tray for a sample injector according to claim 5, characterized in that: the mounting frame and/or the cooling outer sheath are made of plastic.
10. The cooled isothermal sample tray for a sample injector according to any of claims 1 to 9, characterized in that: the air conditioner also comprises a guide plate, wherein the guide plate is obliquely arranged at the air outlet of the refrigerating pipeline and used for guiding cold air upwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022104682.4U CN213689655U (en) | 2020-09-23 | 2020-09-23 | Cooling constant temperature sample dish for sample injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022104682.4U CN213689655U (en) | 2020-09-23 | 2020-09-23 | Cooling constant temperature sample dish for sample injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213689655U true CN213689655U (en) | 2021-07-13 |
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ID=76749208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022104682.4U Active CN213689655U (en) | 2020-09-23 | 2020-09-23 | Cooling constant temperature sample dish for sample injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213689655U (en) |
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2020
- 2020-09-23 CN CN202022104682.4U patent/CN213689655U/en active Active
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