CN220188440U - Liquid chromatograph with temperature control function - Google Patents
Liquid chromatograph with temperature control function Download PDFInfo
- Publication number
- CN220188440U CN220188440U CN202320966530.6U CN202320966530U CN220188440U CN 220188440 U CN220188440 U CN 220188440U CN 202320966530 U CN202320966530 U CN 202320966530U CN 220188440 U CN220188440 U CN 220188440U
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- liquid chromatograph
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- 239000007788 liquid Substances 0.000 title claims abstract description 52
- 239000000110 cooling liquid Substances 0.000 claims abstract description 28
- 238000005485 electric heating Methods 0.000 claims abstract description 17
- 239000002904 solvent Substances 0.000 claims abstract description 10
- 238000011084 recovery Methods 0.000 claims description 11
- 230000017525 heat dissipation Effects 0.000 claims description 10
- 238000003466 welding Methods 0.000 claims description 8
- 239000000523 sample Substances 0.000 claims description 4
- 230000005855 radiation Effects 0.000 description 9
- 239000002826 coolant Substances 0.000 description 7
- 238000001816 cooling Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000033228 biological regulation Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 2
- 241000883990 Flabellum Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 229940090047 auto-injector Drugs 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses a liquid chromatograph with a temperature control function, which comprises a temperature control component, wherein the temperature control component comprises a liquid chromatograph main body, a solvent rack, an automatic sampler, a column temperature box, a detector, a degasser, a box door, a mounting base, a chromatographic column, an electric heating plate, a driving motor, fan blades, a temperature sensor, a cooling liquid box, a pump body, a conveying pipe, a heat exchange pipe, a collecting box, a heat transfer column and a heat transfer plate; the liquid chromatograph main body is composed of a solvent frame, an automatic sampler, a column temperature box, a detector and a degasser, wherein a box door is hinged to the left side of the front surface of the column temperature box, and a mounting base is fixedly connected to the inner bottom wall of the column temperature box. According to the utility model, the electric heating plate works to raise the internal temperature of the column temperature box, one end of the output shaft of the driving motor rotates to drive the fan blades to rotate, so that the circulation flow of air in the column temperature box is accelerated, the temperature gradient is eliminated, and the temperature in the box is ensured to be uniform, thereby raising the temperature of the chromatographic column.
Description
Technical Field
The utility model relates to the technical field of liquid chromatographs, in particular to a liquid chromatograph with a temperature control function.
Background
The liquid chromatograph is an instrument for separating and then analyzing and identifying the mixture by utilizing the difference of the distribution ratio of the mixture between two liquids which are liquid-solid or insoluble; the liquid chromatograph generally comprises a solvent frame, an automatic sampler, a chromatographic column, a detector, a degasser and the like;
in the use process of the liquid chromatograph, the temperature of the chromatographic column is influenced by the external environment, and then the temperature of the mobile phase is influenced, so that the accuracy of an analysis result is difficult to ensure; therefore, how to make the liquid chromatograph have the function of controlling temperature and avoid the temperature of the chromatographic column from being influenced by the outside is one of the problems to be solved when the liquid chromatograph is used; for this purpose, a liquid chromatograph having a temperature control function is proposed.
Disclosure of Invention
The present utility model is directed to a liquid chromatograph with a temperature control function, so as to solve the problems set forth in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the liquid chromatograph with the temperature control function comprises a temperature control component, wherein the temperature control component comprises a liquid chromatograph main body, a solvent frame, an automatic sample injector, a column temperature box, a detector, a degasser, a box door, a mounting base, a chromatographic column, an electric heating plate, a driving motor, fan blades, a temperature sensor, a cooling liquid box, a pump body, a conveying pipe, a heat exchange pipe, a collecting box, a heat transfer column and a heat transfer plate;
the liquid chromatograph main part comprises solvent frame, autoinjector, post temperature box, detector and degasser, the front surface left side of post temperature box articulates there is the chamber door, the inside diapire fixedly connected with installation base of post temperature box, install the last surface mounting of base has the chromatographic column, two electric heat pieces are installed to the inside diapire symmetry of post temperature box, driving motor is installed to the inside roof of post temperature box, driving motor's output shaft one end fixedly connected with flabellum, temperature sensor is installed to the inside left side wall of post temperature box, the inlet one end of the pump body pass through the pipeline with the left side wall bottom intercommunication of cooling liquid box, the liquid outlet one end of the pump body has the conveyer pipe through the pipeline intercommunication, the conveyer pipe with the symmetry intercommunication has two heat transfer tubes between the adjacent one side of collecting box, the heat transfer control panel is installed to the left side wall rear side of collecting box, the even fixedly connected with post of upper surface of heat transfer tube, the bottom of heat transfer column stretches into inside the heat transfer tube, the heat transfer tube top has the heat transfer tube welded.
As a further preferred aspect of the present utility model: the temperature control assembly further comprises a handle, a fixing plate, a connecting seat, a liquid adding pipe, a rubber plug and a control plate, and the handle is welded on the right side of the front surface of the box door.
As a further preferred aspect of the present utility model: the right side wall welding of post temperature box has the fixed plate, the bottom of coolant tank weld in the upper surface right side of fixed plate, the bottom of the pump body install in the upper surface left side of fixed plate, the left side wall welding of post temperature box has the connecting seat, the right side wall welding of collecting box in the left side wall of connecting seat.
As a further preferred aspect of the present utility model: the right side of the upper surface of the cooling liquid tank is communicated with a liquid adding pipe, and the top end of the liquid adding pipe is inserted with a rubber plug.
As a further preferred aspect of the present utility model: the electric output end of the temperature sensor is electrically connected with the electric input end of the control board through a wire, and the electric output end of the control board is electrically connected with the electric heating plate, the driving motor and the electric input end of the pump body through wires respectively.
As a further preferred aspect of the present utility model: the upper surface mounting of collecting box has the radiator unit, the radiator unit includes heat conduction post, fin, heat dissipation motor, blade, temperature sensor, recovery tube and valve, the even fixedly connected with heat conduction post of upper surface of collecting box, the bottom of heat conduction post stretches into inside the collecting box, the top welding of heat conduction post has the fin.
As a further preferred aspect of the present utility model: the temperature measuring device is characterized in that a temperature measuring sensor is arranged on the rear side of the upper surface of the collecting box, an electrical output end of the temperature measuring sensor is electrically connected with an electrical input end of the control board through a wire, a probe of the temperature measuring sensor stretches into the collecting box, a heat dissipation motor is arranged on the front side of the upper surface of the collecting box, and one end of an output shaft of the heat dissipation motor is fixedly connected with a blade.
As a further preferred aspect of the present utility model: the bottom of the left side wall of the collecting box is communicated with a recovery pipe, and the outer side wall of the recovery pipe is provided with a valve.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the internal temperature of the column temperature box is raised through the operation of the electric heating sheet, one end of the output shaft of the driving motor rotates to drive the fan blade to rotate, the circulation flow of air in the column temperature box is quickened, the temperature gradient is eliminated, the temperature in the box is ensured to be uniform, thereby the chromatographic column is heated, the internal temperature of the column temperature box can be monitored by means of the temperature sensor, the electric heating sheet is closed when the chromatographic column is required to be cooled, the cooling liquid in the cooling liquid box is pumped out through the pump body, the cooling liquid is conveyed into the collecting box through the conveying pipe and the heat exchange pipe, the condensate exchanges heat with hot air in the column temperature box when flowing in the heat exchange pipe to realize cooling, the heat conduction speed is quickened by the heat conduction effect of the heat transfer column and the heat transfer sheet, the cooling effect is improved, the temperature regulation and control of the chromatographic column is realized, the accuracy of the analysis result is ensured, and convenience is brought to the use of the liquid chromatograph.
Drawings
FIG. 1 is a schematic diagram of a front view of the present utility model;
FIG. 2 is a schematic diagram of a coolant tank and a collection tank according to the present utility model;
FIG. 3 is an enlarged view of the structure of area A of FIG. 2 in accordance with the present utility model;
FIG. 4 is a schematic diagram of a portion of a temperature control assembly according to the present utility model;
FIG. 5 is a schematic view showing the internal structure of the collecting box in the present utility model;
FIG. 6 is a schematic diagram of a heat exchange tube and a heat transfer column according to the present utility model.
In the figure: 10. a temperature control assembly; 100. a liquid chromatograph body; 101. a solvent rack; 102. an autosampler; 103. a column incubator; 104. a detector; 105. a degasser; 11. a door; 12. a handle; 13. a mounting base; 14. a chromatographic column; 15. an electric heating sheet; 16. a driving motor; 17. a fan blade; 18. a temperature sensor; 19. a fixing plate; 110. a cooling liquid tank; 111. a pump body; 112. a delivery tube; 113. a heat exchange tube; 114. a connecting seat; 115. a collection box; 116. a heat transfer column; 117. a heat transfer sheet; 118. a liquid adding tube; 119. a rubber stopper; 120. a control board; 20. a heat dissipation assembly; 21. a heat conducting column; 22. a heat sink; 23. a heat dissipation motor; 24. a blade; 25. a temperature sensor; 26. a recovery pipe; 27. and (3) a valve.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-6, the present utility model provides a technical solution: the liquid chromatograph with the temperature control function comprises a temperature control assembly 10, wherein the temperature control assembly 10 comprises a liquid chromatograph main body 100, a solvent rack 101, an automatic sampler 102, a column temperature box 103, a detector 104, a degasser 105, a box door 11, a mounting base 13, a chromatographic column 14, an electric heating plate 15, a driving motor 16, fan blades 17, a temperature sensor 18, a cooling liquid box 110, a pump body 111, a conveying pipe 112, a heat exchange pipe 113, a collecting box 115, a heat transfer column 116 and a heat transfer plate 117;
the liquid chromatograph main body 100 is composed of a solvent frame 101, an automatic sampler 102, a column temperature box 103, a detector 104 and a degasser 105, wherein a box door 11 is hinged to the left side of the front surface of the column temperature box 103, an installation base 13 is fixedly connected to the inner bottom wall of the column temperature box 103, a chromatographic column 14 is installed on the upper surface of the installation base 13, two electric heating plates 15 are symmetrically installed on the inner bottom wall of the column temperature box 103, a driving motor 16 is installed on the inner top wall of the column temperature box 103, a fan blade 17 is fixedly connected to one end of an output shaft of the driving motor 16, a temperature sensor 18 is installed on the inner left side wall of the column temperature box 103, one end of a liquid inlet of a pump body 111 is communicated with the bottom of the left side wall of the cooling liquid box 110 through a pipeline, a conveying pipe 112 is communicated with one end of a liquid outlet of the pump body 111 through a pipeline, two heat exchange pipes 113 are symmetrically communicated between the conveying pipe 112 and adjacent sides of a collecting box 115, the heat exchange pipes 113 penetrate through the column temperature box 103, a 120 is installed on the rear side of the left side wall of the collecting box 115, heat exchange pipes 113 are uniformly and fixedly connected with heat exchange columns 116 are evenly arranged on the upper surfaces of the heat exchange pipes 113, the bottom ends of the columns 116 extend into the inside the heat exchange pipes 113, heat transfer plates 116 are welded to the top ends of the heat exchange pipes 116; the coolant tank 110 is filled with coolant; the electric heating plate 15 is used for working and lifting the internal temperature of the column temperature box 103, one end of the output shaft of the driving motor 16 rotates to drive the fan blade 17 to rotate, the air circulation flow in the column temperature box 103 is quickened, the temperature gradient is eliminated, the temperature in the box is guaranteed to be uniform, thereby the chromatographic column 14 is heated, the temperature in the column temperature box 103 can be monitored by means of the temperature sensor 18, the electric heating plate 15 is closed when the temperature needs to be reduced, the cooling liquid in the cooling liquid box 110 is pumped out by the pump body 111, the cooling liquid is conveyed into the collecting box 115 through the conveying pipe 112 and the heat exchange pipe 113, a large amount of heat is taken away by heat exchange between the condensate and the hot air in the column temperature box 103 when the condensate flows in the heat exchange pipe 113, the heat conduction speed is quickened by the heat conduction effect of the heat transfer column 116 and the heat transfer plate 117, the cooling effect is improved, thereby the temperature regulation and control are realized, the liquid chromatograph with the temperature control function is formed, the chromatographic column 14 temperature is prevented from being influenced by the outside, the accuracy of analysis results is guaranteed, and convenience is brought to the use of the liquid chromatograph.
In this embodiment, specific: the temperature control assembly 10 further comprises a handle 12, a fixing plate 19, a connecting seat 114, a liquid adding pipe 118, a rubber plug 119 and a control plate 120, wherein the handle 12 is welded on the right side of the front surface of the box door 11; facilitating opening and closing of the door 11.
In this embodiment, specific: the right side wall of the column temperature box 103 is welded with a fixing plate 19, the bottom of the cooling liquid box 110 is welded on the right side of the upper surface of the fixing plate 19, the bottom of the pump body 111 is arranged on the left side of the upper surface of the fixing plate 19, the left side wall of the column temperature box 103 is welded with a connecting seat 114, and the right side wall of the collecting box 115 is welded on the left side wall of the connecting seat 114; the fixing plate 19 serves to provide support for the coolant tank 110 and the pump body 111.
In this embodiment, specific: the right side of the upper surface of the cooling liquid tank 110 is communicated with a liquid adding pipe 118, and the top end of the liquid adding pipe 118 is inserted with a rubber plug 119; the rubber stopper 119 is removed, and the coolant tank 110 is replenished with coolant via the filler pipe 118.
In this embodiment, specific: the electrical output end of the temperature sensor 18 is electrically connected with the electrical input end of the control board 120 through a wire, and the electrical output end of the control board 120 is electrically connected with the electrical input ends of the electric heating plate 15, the driving motor 16 and the pump body 111 through wires respectively; the control board 120 is provided with a display board for displaying the temperature value, and the working state of each electrical device can be controlled by the control board 120.
In this embodiment, specific: the upper surface of the collecting box 115 is provided with a heat radiation assembly 20, the heat radiation assembly 20 comprises a heat conduction column 21, a heat radiation fin 22, a heat radiation motor 23, a blade 24, a temperature measurement sensor 25, a recovery pipe 26 and a valve 27, the upper surface of the collecting box 115 is uniformly and fixedly connected with the heat conduction column 21, the bottom end of the heat conduction column 21 stretches into the collecting box 115, and the top end of the heat conduction column 21 is welded with the heat radiation fin 22; the cooling liquid with the increased temperature after heat exchange enters the collecting box 115, and the heat in the collecting box 115 is transmitted to the cooling fins 22 and emitted by the cooling fins 22 under the conduction of the heat conducting column 21, so that the cooling of the cooling liquid can be quickened.
In this embodiment, specific: the rear side of the upper surface of the collecting box 115 is provided with a temperature measuring sensor 25, the electrical output end of the temperature measuring sensor 25 is electrically connected with the electrical input end of the control board 120 through a wire, a probe of the temperature measuring sensor 25 extends into the collecting box 115, the front side of the upper surface of the collecting box 115 is provided with a heat dissipation motor 23, and one end of an output shaft of the heat dissipation motor 23 is fixedly connected with a blade 24; one end of the output shaft of the heat radiation motor 23 rotates to drive the blades 24 to rotate, so that the air flow speed around the heat radiation fins 22 is increased, and the heat radiation speed of the heat radiation fins 22 can be increased.
In this embodiment, specific: the bottom of the left side wall of the collecting box 115 is communicated with a recovery pipe 26, and a valve 27 is arranged on the outer side wall of the recovery pipe 26; the temperature of the cooling liquid in the collecting tank 115 can be measured by the temperature sensor 25, when the temperature is reduced to a preset value, the valve 27 can be opened to enable the cooling liquid to flow out of the recovery pipe 26, and the cooling liquid can be collected and added into the cooling liquid tank 110 for continuous use.
The working principle of the utility model is as follows: the electric heating plate 15 is used for working and lifting the internal temperature of the column temperature box 103, one end of the output shaft of the driving motor 16 rotates to drive the fan blade 17 to rotate, the air circulation flow in the column temperature box 103 is quickened, the temperature gradient is eliminated, the temperature in the box is guaranteed to be uniform, thereby the chromatographic column 14 is heated, the temperature in the column temperature box 103 can be monitored by means of the temperature sensor 18, the electric heating plate 15 is closed when the temperature needs to be reduced, the cooling liquid in the cooling liquid box 110 is pumped out by the pump body 111, the cooling liquid is conveyed into the collecting box 115 through the conveying pipe 112 and the heat exchange pipe 113, a large amount of heat is taken away by heat exchange between the condensate and the hot air in the column temperature box 103 when the condensate flows in the heat exchange pipe 113, the heat conduction speed is quickened by the heat conduction effect of the heat transfer column 116 and the heat transfer plate 117, the cooling effect is improved, thereby the temperature regulation and control are realized, the liquid chromatograph with the temperature control function is formed, the chromatographic column 14 temperature is prevented from being influenced by the outside, the accuracy of analysis results is guaranteed, and convenience is brought to the use of the liquid chromatograph.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. Liquid chromatograph with accuse temperature function, including accuse temperature subassembly (10), its characterized in that: the temperature control assembly (10) comprises a liquid chromatograph main body (100), a solvent frame (101), an automatic sampler (102), a column temperature box (103), a detector (104), a degasser (105), a box door (11), a mounting base (13), a chromatographic column (14), an electric heating plate (15), a driving motor (16), fan blades (17), a temperature sensor (18), a cooling liquid box (110), a pump body (111), a conveying pipe (112), a heat exchange pipe (113), a collecting box (115), a heat transfer column (116) and a heat transfer plate (117);
the liquid chromatograph main body (100) is composed of a solvent frame (101), an automatic sampler (102), a column temperature box (103), a detector (104) and a degasser (105), a box door (11) is hinged to the left side of the front surface of the column temperature box (103), a mounting base (13) is fixedly connected to the inner bottom wall of the column temperature box (103), a chromatographic column (14) is mounted on the upper surface of the mounting base (13), two electric heating plates (15) are symmetrically mounted on the inner bottom wall of the column temperature box (103), a driving motor (16) is mounted on the inner top wall of the column temperature box (103), a fan blade (17) is fixedly connected to one end of an output shaft of the driving motor (16), a temperature sensor (18) is mounted on the inner left side wall of the column temperature box (103), one end of a liquid inlet of a pump body (111) is communicated with the bottom of the left side wall of a cooling liquid box (110) through a pipeline, a conveying pipe (112) is communicated with one end of a liquid outlet of the pump body (111), two heat exchange pipes (113) are symmetrically mounted on two sides of the collecting box (115) through the left side wall of the collecting box (115), the heat exchange tube is characterized in that the upper surface of the heat exchange tube (113) is uniformly and fixedly connected with a heat transfer column (116), the bottom end of the heat transfer column (116) stretches into the heat exchange tube (113), and the top end of the heat transfer column (116) is welded with a heat transfer sheet (117).
2. The liquid chromatograph with a temperature control function according to claim 1, characterized in that: the temperature control assembly (10) further comprises a handle (12), a fixing plate (19), a connecting seat (114), a liquid adding pipe (118), a rubber plug (119) and a control plate (120), and the handle (12) is welded on the right side of the front surface of the box door (11).
3. The liquid chromatograph with a temperature control function according to claim 2, characterized in that: the right side wall welding of post incubator (103) has fixed plate (19), the bottom of cooling liquid tank (110) weld in the upper surface right side of fixed plate (19), the bottom of pump body (111) install in the upper surface left side of fixed plate (19), the left side wall welding of post incubator (103) has connecting seat (114), the right side wall welding of collecting box (115) in the left side wall of connecting seat (114).
4. The liquid chromatograph with temperature control function according to claim 3, characterized in that: the right side of the upper surface of the cooling liquid tank (110) is communicated with a liquid adding pipe (118), and the top end of the liquid adding pipe (118) is inserted with a rubber plug (119).
5. The liquid chromatograph with a temperature control function according to claim 2, characterized in that: the electrical output end of the temperature sensor (18) is electrically connected with the electrical input end of the control board (120) through a wire, and the electrical output end of the control board (120) is electrically connected with the electrical input end of the electric heating plate (15), the driving motor (16) and the pump body (111) through wires respectively.
6. The liquid chromatograph with a temperature control function according to claim 2, characterized in that: the upper surface mounting of collection box (115) has radiator unit (20), radiator unit (20) are including heat conduction post (21), fin (22), heat dissipation motor (23), blade (24), temperature sensor (25), recovery pipe (26) and valve (27), the even fixedly connected with heat conduction post (21) of upper surface of collection box (115), the bottom of heat conduction post (21) stretches into inside collection box (115), the top welding of heat conduction post (21) has fin (22).
7. The liquid chromatograph with temperature control function according to claim 6, wherein: temperature sensor (25) are installed to the upper surface rear side of collecting box (115), the electrical output of temperature sensor (25) pass through the wire with the electrical input of control panel (120) holds electric connection, the probe of temperature sensor (25) stretches into inside collecting box (115), heat dissipation motor (23) are installed to the upper surface front side of collecting box (115), output shaft one end fixedly connected with blade (24) of heat dissipation motor (23).
8. The liquid chromatograph with temperature control function according to claim 6, wherein: the bottom of the left side wall of the collecting box (115) is communicated with a recovery pipe (26), and a valve (27) is installed on the outer side wall of the recovery pipe (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320966530.6U CN220188440U (en) | 2023-04-24 | 2023-04-24 | Liquid chromatograph with temperature control function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320966530.6U CN220188440U (en) | 2023-04-24 | 2023-04-24 | Liquid chromatograph with temperature control function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220188440U true CN220188440U (en) | 2023-12-15 |
Family
ID=89110934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320966530.6U Active CN220188440U (en) | 2023-04-24 | 2023-04-24 | Liquid chromatograph with temperature control function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220188440U (en) |
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2023
- 2023-04-24 CN CN202320966530.6U patent/CN220188440U/en active Active
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