CN214076740U - Constant temperature control device of vertical column oven - Google Patents
Constant temperature control device of vertical column oven Download PDFInfo
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- CN214076740U CN214076740U CN202022361564.1U CN202022361564U CN214076740U CN 214076740 U CN214076740 U CN 214076740U CN 202022361564 U CN202022361564 U CN 202022361564U CN 214076740 U CN214076740 U CN 214076740U
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Abstract
The utility model relates to a thermostatic control device of vertical column incubator, include: the column temperature box comprises a column temperature box shell, wherein a sealing door is arranged in front of the column temperature box shell; a mounting hole is formed in the rear of the column incubator shell; a rear cover plate for sealing the mounting hole is arranged outside the mounting hole; a radiator is arranged in the column incubator shell; a heating film is arranged at the rear part of the radiator; the middle part of the radiator is provided with a central hole; the outer surface of the rear cover plate is provided with a motor; the rear end of the rotating shaft is connected with an extending shaft of the motor through a coupler; the front end of the rotating shaft is provided with a centrifugal wind wheel; the windshield sets up in the place ahead of centrifugal wind wheel, and the windshield divides into two areas around with the inside cavity of column warm box casing. The constant temperature control device of the vertical column oven of the utility model has the advantages that the motor runs more stably, and the vibration and noise generated in the running process of the high-speed motor are reduced; the number of structural parts is small, and the manufacturing cost and the maintenance cost are reduced; a centrifugal wind wheel is arranged, so that the thermal cycle power is improved; the windshield is arranged to ensure the even temperature of the chromatographic column placing area.
Description
Technical Field
The utility model relates to an experimental sample strorage device, specific theory relates to a thermostatic control device of vertical column incubator.
Background
At present, chromatographic columns containing a large number of various solid phases are generally applied to the process of analyzing experimental samples by using a liquid chromatography technology, most of the chromatographic columns are stainless steel shells, so that the heat conductivity coefficient is high, and the temperature of a mobile phase in the chromatographic columns is easily influenced by the change of external temperature in experiments, so that the analysis accuracy is low, and the mutation of an analysis curve and the like are caused.
The column incubator is an effective means (the highest service temperature is 85 ℃) for ensuring that the chromatographic column works in a constant temperature state, at present, the column incubators on the market mainly comprise a vertical type column incubator and a horizontal type column incubator according to the placement state of the chromatographic column, the horizontal type column incubator is relatively low in height, the rising effect of the temperature in a cavity is not obvious, relatively consistent cavity room temperature is easily formed, and the temperature consistency control design difficulty is low; however, in the vertical column oven, especially the column oven with a large height and length ratio, due to the aerodynamic influence, when the temperature is raised to a certain temperature, the temperature of the air at the top is often higher than that at the bottom.
For the temperature control design method of the vertical column oven, because a fan, a motor, a seal and related matched structural parts are used, the problems of high production cost, large structural maintenance difficulty, unsatisfactory effect and the like are caused. Such as: patent numbers: CN201922269745.9, a motor adopted in the column incubator heat balance and heat dissipation device drives an axial flow fan to form a circulating heat balance in a cavity of the column incubator, so as to achieve the purpose of keeping the temperature constant, the heat circulation in an inner cavity needs to be matched with a higher fan rotating speed, but the problem of noise caused by vibration caused by rotation of a high-speed motor is not effectively solved, in addition, the axial flow fan is adopted for air stirring, and the problem of temperature drop caused by air circulation at the end part of the axial flow fan is solved by changing an air channel structure to make up for the problem that the temperature drop is not specially explained and is used accidentally, and the effect is definitely greatly reduced; for another patent: "a kind of ion chromatographic column incubator heated air's homogenization processing apparatus", patent number: CN201620021948.X, it has adopted turbofan and wind channel cooperation mode to carry out the thermal cycle, and this kind of mode is favorable to the heat dissipation, but its structure is complicated, and spare part is more, is difficult for the maintenance. In addition, since the turbofan is disposed at the upper portion of the cavity of the column oven, it cannot create a thermal cycle effect involving a long distance for a vertical column oven having a large size, and thus, it is difficult to constantly control the bottom temperature. Furthermore, the temperature at the fan port has no special design structure to ensure the same temperature as the cavity.
SUMMERY OF THE UTILITY MODEL
To the not enough among the above-mentioned prior art, the utility model provides a simple structure, easy maintenance reduces vibrations and the noise that high-speed motor produced in the operation, guarantees that the chromatographic column places the thermostatic control device of the even vertical column incubator of district's temperature.
The utility model adopts the technical proposal that:
a constant temperature control device of a vertical column oven,
the method comprises the following steps: the column temperature box comprises a column temperature box shell, wherein a sealing door is arranged in front of the column temperature box shell;
a mounting hole is formed in the rear of the column incubator shell;
a rear cover plate for sealing the mounting hole is arranged outside the mounting hole;
the inner surface of the rear cover plate is provided with a support column;
a radiator is arranged in the column incubator shell;
a heating film is arranged at the rear part of the radiator;
the radiator is connected with the supporting column through a bolt;
the front surface of the radiator is provided with radiating fins;
the middle part of the radiator is provided with a central hole;
the motor mounting plate is arranged on the outer side of the outer surface of the rear cover plate;
the motor is arranged on the motor mounting plate;
the motor mounting plate is connected with the rear cover plate through the shock absorption supporting columns;
the rear cover plate is provided with a rear cover plate through hole;
the rotating shaft penetrates through the through hole of the rear cover plate and the central hole in the middle of the radiator;
the rear end of the rotating shaft is connected with an extending shaft of the motor through a coupler;
the front end of the rotating shaft is provided with a centrifugal wind wheel;
the centrifugal wind wheel is installed at a height not exceeding the height of the radiator.
A windshield is arranged in front of the radiating fins;
the wind shield is arranged in front of the centrifugal wind wheel and divides the cavity in the column temperature box shell into a front area and a rear area;
the width of the windshield is the width of a cavity inside the column temperature box shell;
the height of the windshield is about one half of the height of the cavity in the column temperature box shell;
the distance between the windshield and the radiator is as follows: 1-2 mm;
the middle part of the windshield is provided with an installation groove;
an upper round through hole and a lower round through hole are respectively arranged above and below the mounting groove;
an upper rectangular through hole is arranged above the upper circular through hole;
a lower rectangular through hole is arranged below the lower circular through hole;
an upper square through hole is arranged above the upper rectangular through hole;
the lower square through hole is arranged below the lower rectangular through hole.
The upper square through hole and the lower square through hole are process holes and are used for arranging connecting bolts.
The radiating fins are arranged in parallel along the vertical direction;
the adjacent radiating fins form circulating air ducts which are parallel to each other in the vertical direction.
A storage area is formed between the windshield and the sealing door; the chromatographic column is arranged in the storage area;
the area between the windshield and the radiating fins is a rear area which is a heating circulation area.
The bearing is fixed at the end part through a bearing gland.
A temperature sensor is arranged in the mounting groove, the temperature sensor is arranged along the horizontal direction, and the temperature sensor is arranged in the middle of the storage area.
Mounting lugs are respectively arranged on two sides of the windshield;
a mounting groove is formed below the mounting support lug;
the side wall of the shell of the column temperature box is provided with a positioning column;
the mounting support lug is connected with the side wall of the column incubator shell through the mounting groove and the positioning column;
the mounting groove is embedded into the positioning column.
The utility model discloses relative prior art's beneficial effect:
the constant temperature control device of the vertical column oven of the utility model not only serves as a column oven heating plate, but also serves as a circulating air duct by selecting the radiating fins with specific height, thereby solving the problems of excessive parts and difficult maintenance; the shock absorption structure is arranged, so that the motor can run more stably, and the shock and noise generated in the running process of the high-speed motor are reduced; the control requirement of a laboratory on noise is met; the number of structural parts is less, and the manufacturing cost is reduced; the structure installation is simple, reduces the maintenance cost.
The constant temperature control device of the vertical column oven of the utility model is provided with the centrifugal wind wheel, thereby improving the thermal cycle power; arranging a windshield to isolate the thermal circulation area from the chromatographic column placing area; the rotating speed of the centrifugal wind wheel is changed through the feedback of the temperature sensor, and the temperature uniformity of the chromatographic column placing area is ensured by adjusting the rotating speed of the centrifugal wind wheel.
The utility model discloses thermostatic control device of vertical column incubator, column incubator chromatographic column place district cavity constancy of temperature even, and during 85 degrees, the temperature uniformity reaches 0.1.
Drawings
FIG. 1 is a schematic perspective view of a thermostatic control device of a vertical column oven according to the present invention;
FIG. 2 is a schematic view of the rear exploded structure of the thermostatic control device of the vertical column oven of the present invention;
FIG. 3 is a schematic view of the exploded structure of the thermostatic control device of the vertical column oven of the present invention;
fig. 4 is a schematic view of the windshield three-dimensional structure of the thermostatic control device of the vertical column oven of the present invention.
In the drawings, the main parts are illustrated by symbols:
in the figure:
1. column incubator casing 2, sealing door
3. Wind shield 4, centrifugal wind wheel
5. Radiator 6, heating film
7. Rotating shaft
9. Support column 10, back shroud
11. Coupling 12 and motor
13. Motor mounting plate 14 and shock absorption support column
15. Temperature sensor
18. Mounting groove
19. Square round through hole 20, lower round through hole
21. Upper rectangular through hole 22 and lower rectangular through hole
23. Upper square through hole 24 and lower square through hole
25. Mounting lug 26 and mounting groove
27. And a positioning column.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and examples:
as shown in the attached figures 1-4, the constant temperature control device of the vertical column oven,
the method comprises the following steps: the column temperature box comprises a column temperature box shell 1, wherein a sealing door 2 is arranged in front of the column temperature box shell 1;
a mounting hole is formed in the rear of the column temperature box shell 1;
a rear cover plate 10 for sealing the mounting hole is arranged outside the mounting hole;
the inner surface of the rear cover plate 10 is provided with a support column 9;
a radiator 5 is arranged in the column incubator shell 1;
a heating film 6 is arranged at the rear part of the radiator 5;
the heating film 6 and the radiator 5 are connected with the supporting column through bolts;
the front surface of the radiator 5 is provided with radiating fins 51;
the middle part of the radiator 5 is provided with a central hole;
the motor mounting plate 13 is arranged outside the outer surface of the rear cover plate 10;
the motor 12 is arranged on the motor mounting plate 13;
the motor mounting plate 13 is connected with the rear cover plate 10 through a shock absorption supporting column 14;
the rear cover plate 10 is provided with a rear cover plate through hole;
the rotating shaft 7 penetrates through the through hole of the rear cover plate and the central hole in the middle of the radiator;
the rear end of the rotating shaft 7 is connected with an extending shaft of a motor 12 through a coupling 11;
the front end of the rotating shaft 7 is provided with a centrifugal wind wheel 4;
the centrifugal wind wheel 4 is installed at a height not exceeding the height of the radiator 5.
A windshield 3 is arranged in front of the radiating fins 51;
the windshield 3 is arranged in front of the centrifugal wind wheel 4, and the windshield 3 divides the cavity in the column temperature box shell into a front area and a rear area;
the width of the windshield 3 is the width of a cavity in the column temperature box shell;
the height of the windshield 3 is about half of the height of the cavity in the column temperature box shell;
the distance between the windshield 3 and the radiating fins is as follows: 1-2 mm;
the middle part of the windshield 3 is provided with a mounting groove 18;
an upper round through hole 19 and a lower round through hole 20 are respectively arranged above and below the mounting groove 18;
an upper rectangular through hole 21 is arranged above the upper circular through hole 19;
a lower rectangular through hole 22 is arranged below the lower circular through hole 20;
an upper square through hole 23 is arranged above the upper rectangular through hole 21;
a lower square through hole 24 is arranged below the lower rectangular through hole 22.
The upper square through hole 23 and the lower square through hole 24 are fabrication holes for arranging connecting bolts;
the radiating fins 51 are arranged in parallel along the vertical direction;
the adjacent fins 51 form circulating air ducts parallel to each other in the vertical direction.
A storage area is formed between the windshield 3 and the sealing door 2; the chromatographic column is arranged in the storage area;
the area between the windshield 3 and the radiator 5 is a rear area which is a heating circulation area.
The bearing 8 is end-fixed by a bearing gland 16.
A temperature sensor 15 is arranged in the mounting groove 18, the temperature sensor 15 is arranged along the horizontal direction, and the temperature sensor 15 is arranged in the middle of the storage area.
Mounting lugs 25 are respectively arranged on two sides of the windshield 3;
a mounting groove 26 is arranged below the mounting support lug 25;
the side wall of the column temperature box shell 1 is provided with a positioning column 27;
the mounting support lug 25 is connected with the side wall of the column incubator shell 1 through a mounting groove 26 and a positioning column 27;
the mounting groove 26 is embedded in the positioning column 27.
The constant temperature control device of the vertical column oven of the utility model not only serves as a column oven heating plate, but also serves as a circulating air duct by selecting the radiating fins with specific height, thereby solving the problems of excessive parts and difficult maintenance; the shock absorption structure is arranged, so that the motor can run more stably, and the shock and noise generated in the running process of the high-speed motor are reduced; the control requirement of a laboratory on noise is met; the number of structural parts is less, and the manufacturing cost is reduced; the structure installation is simple, reduces the maintenance cost.
The constant temperature control device of the vertical column oven of the utility model is provided with the centrifugal wind wheel, thereby improving the thermal cycle power; arranging a windshield to isolate the thermal circulation area from the chromatographic column placing area; the rotating speed of the centrifugal wind wheel is changed through the feedback of the temperature sensor, and the temperature uniformity of the chromatographic column placing area is ensured by adjusting the rotating speed of the centrifugal wind wheel.
The utility model discloses thermostatic control device of vertical column incubator, column incubator chromatographic column place district cavity constancy of temperature even, and during 85 degrees, the temperature uniformity reaches 0.1.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the structure of the present invention in any way. All the simple modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention all fall within the scope of the technical solution of the present invention.
Claims (5)
1. The utility model provides a thermostatic control device of vertical column oven which characterized in that:
the method comprises the following steps: the column temperature box comprises a column temperature box shell (1), wherein a sealing door (2) is arranged in front of the column temperature box shell (1);
a mounting hole is formed in the rear of the column temperature box shell (1);
a rear cover plate (10) used for sealing the mounting hole is arranged outside the mounting hole;
the inner surface of the rear cover plate (10) is provided with a support column (9);
a radiator (5) is arranged in the column temperature box shell (1);
a heating film (6) is arranged at the rear part of the radiator (5);
the radiator (5) is connected with the supporting column through a bolt;
the front surface of the radiator (5) is provided with radiating fins (51);
the middle part of the radiator (5) is provided with a central hole;
a motor mounting plate (13) is arranged on the outer side of the outer surface of the rear cover plate (10);
the motor (12) is arranged on the motor mounting plate (13);
the motor mounting plate (13) is connected with the rear cover plate (10) through a shock absorption supporting column (14);
the rear cover plate (10) is provided with a rear cover plate through hole;
the rotating shaft (7) penetrates through the through hole of the rear cover plate and the central hole in the middle of the radiator (5);
the rear end of the rotating shaft (7) is connected with an extending shaft of a motor (12) through a coupling (11);
the front end of the rotating shaft (7) is provided with a centrifugal wind wheel (4);
the installation height of the centrifugal wind wheel (4) does not exceed the height of the radiator (5);
a windshield (3) is arranged in front of the radiating fins (51);
the wind shield (3) is arranged in front of the centrifugal wind wheel (4), and the wind shield (3) divides the inner cavity of the column temperature box shell into a front area and a rear area;
the width of the windshield (3) is the width of the cavity inside the column temperature box shell;
the middle part of the windshield (3) is provided with a mounting groove (18);
an upper circular through hole (19) and a lower circular through hole (20) are respectively arranged above and below the mounting groove (18);
an upper rectangular through hole (21) is arranged above the upper circular through hole (19);
a lower rectangular through hole (22) is arranged below the lower circular through hole (20);
an upper square through hole (23) is arranged above the upper rectangular through hole (21);
a lower square through hole (24) is arranged below the lower rectangular through hole (22).
2. The thermostat control device of the vertical column oven according to claim 1, characterized in that:
the radiating fins (51) are arranged in parallel along the vertical direction;
the adjacent cooling fins (51) form circulating air ducts which are parallel to each other in the vertical direction.
3. The thermostat control device of the vertical column oven according to claim 1, characterized in that:
a storage area is formed between the windshield (3) and the sealing door (2); the chromatographic column is arranged in the storage area;
the area between the windshield (3) and the radiator (5) is a rear area which is a heating circulation area.
4. The thermostat control device of the vertical column oven according to claim 1, characterized in that:
a temperature sensor (15) is arranged in the mounting groove (18), the temperature sensor (15) is arranged along the horizontal direction, and the temperature sensor (15) is arranged in the middle of the storage area.
5. The thermostat control device of the vertical column oven according to claim 1, characterized in that:
mounting lugs (25) are respectively arranged on two sides of the windshield (3);
a mounting groove (26) is arranged below the mounting support lug (25);
a positioning column (27) is arranged on the side wall of the column temperature box shell (1);
the mounting support lug (25) is connected with the side wall of the column temperature box shell (1) through a mounting groove (26) and a positioning column (27);
the mounting groove (26) is embedded in the positioning column (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022361564.1U CN214076740U (en) | 2020-10-21 | 2020-10-21 | Constant temperature control device of vertical column oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022361564.1U CN214076740U (en) | 2020-10-21 | 2020-10-21 | Constant temperature control device of vertical column oven |
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| Publication Number | Publication Date |
|---|---|
| CN214076740U true CN214076740U (en) | 2021-08-31 |
Family
ID=77444770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022361564.1U Active CN214076740U (en) | 2020-10-21 | 2020-10-21 | Constant temperature control device of vertical column oven |
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| Country | Link |
|---|---|
| CN (1) | CN214076740U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114594196A (en) * | 2022-03-08 | 2022-06-07 | 青岛盛瀚色谱技术有限公司 | Independent column incubator for double-fan liquid chromatography |
-
2020
- 2020-10-21 CN CN202022361564.1U patent/CN214076740U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114594196A (en) * | 2022-03-08 | 2022-06-07 | 青岛盛瀚色谱技术有限公司 | Independent column incubator for double-fan liquid chromatography |
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