CN219421466U

CN219421466U - Auxiliary cooling device of gas chromatograph

Info

Publication number: CN219421466U
Application number: CN202320601292.9U
Authority: CN
Inventors: 张萍; 隋娜娜; 周祎菲; 任倩倩; 徐熙英
Original assignee: Qingdao Wanfu Quality Testing Co ltd
Current assignee: Qingdao Wanfu Quality Testing Co ltd
Priority date: 2023-03-24
Filing date: 2023-03-24
Publication date: 2023-07-25
Anticipated expiration: 2033-03-24

Abstract

The utility model discloses an auxiliary cooling device of a gas chromatograph, which belongs to the technical field of gas chromatographs and comprises a gas chromatograph main body, wherein a furnace box is fixedly arranged in an inner cavity of the gas chromatograph main body, a cooling cavity is arranged between the surface of the furnace box and the inner cavity of the gas chromatograph main body, an auxiliary cooling component is arranged in the inner cavity of the cooling cavity, a heat radiation hole is formed in the back surface of the furnace box, and the back surface of the heat radiation hole penetrates through the gas chromatograph main body and extends to the outside of the gas chromatograph main body; according to the utility model, through the matching use of the air inlet groove, the heat radiating hole and the air blast component, high-temperature air in the oven can be discharged to the outside, so that the heat radiation effect is achieved, and the heat radiation and cooling speed in the oven can be effectively improved through the matching use of the heat radiation structure and the cooling structure by arranging the auxiliary cooling component while the heat radiation is carried out, so that the heat radiation and cooling speed in the oven can be accelerated.

Description

Auxiliary cooling device of gas chromatograph

Technical Field

The utility model relates to the technical field of gas chromatographs, in particular to an auxiliary cooling device of a gas chromatograph.

Background

The gas chromatograph is a chromatographic analysis instrument using gas as mobile phase, and the principle is mainly that the separation of the mixture is realized by utilizing the difference of the boiling point, polarity and adsorption property of substances, an analysis sample is gasified in a sample inlet during detection, then is carried into a chromatographic column by carrier gas, and each component is separated through the chromatographic column with different retention properties on the components in the mixture to be detected, and is sequentially led into a detector to obtain detection signals of each component, wherein a chromatographic column chamber (namely a furnace box) is often required to be cooled by a cooling device to control the temperature after the temperature is raised.

The utility model discloses a gas chromatograph with auxiliary cooling device, which is characterized in that through the mutual coordination among a gas chromatograph main body, an installation box body, an annular rack, a gear, a driving motor and a T-shaped slide bar, when in use, the driving motor works to drive a fan blade to rotate, the fan blade rotates to accelerate the airflow, the heat in the gas chromatograph main body is accelerated to be discharged from an exhaust hole, and simultaneously under the coordination of the gear and the annular rack, the fan blade moves along the annular rack, namely, the fan blade also moves while rotating, thereby changing the blowing position, enlarging the blowing area and ensuring better cooling effect

The auxiliary cooling device of the gas chromatograph in the above patent can only dissipate heat inside the gas chromatograph, but can not cool the gas chromatograph in time, and the cooling efficiency is low only by waiting for the natural cooling inside the oven in the heat dissipation process, so we need to propose an auxiliary cooling device of the gas chromatograph.

Disclosure of Invention

The utility model aims to provide an auxiliary cooling device of a gas chromatograph, which has the advantage of being capable of rapidly radiating and cooling the inside of a gas chromatograph oven box so as to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides an auxiliary cooling device of gas chromatograph, includes the gas chromatograph main part, the inner chamber fixed mounting of gas chromatograph main part has the oven, be provided with the cooling chamber between the surface of oven and the inner chamber of gas chromatograph main part, the inner chamber of cooling chamber is provided with auxiliary cooling subassembly, the louvre has been seted up at the back of oven, the back of louvre runs through the gas chromatograph main part and extends to the outside of gas chromatograph main part, the back of oven just is located the below fixed mounting of louvre has the air inlet groove, the back of air inlet groove runs through the gas chromatograph main part and extends to the outside of gas chromatograph main part, the blast subassembly is still installed to the inner chamber of air inlet groove.

Preferably, the auxiliary cooling assembly comprises a cooling pipe arranged in the inner cavity of the cooling cavity, the cooling pipe is coiled on the surface of the oven, two ends of the cooling pipe are respectively connected with a liquid inlet pipe and a liquid outlet pipe, one ends of the liquid inlet pipe and the liquid outlet pipe, which are far away from the cooling pipe, penetrate through the gas chromatograph main body and extend to the outside of the gas chromatograph main body, and the inner cavity of the cooling cavity is further provided with a positioning assembly for auxiliary support of the cooling pipe.

Preferably, the positioning assembly comprises a positioning plate fixedly arranged on one side of the inner cavity of the cooling cavity, a positioning clamping groove matched with the cooling pipe is formed in one side of the positioning plate, and the surface of the cooling pipe is clamped with the inner wall of the positioning clamping groove.

Preferably, the blast assembly comprises a fixed shell fixedly arranged in the inner cavity of the air inlet groove, a fan is fixedly arranged in the inner cavity of the fixed shell, a mounting frame is fixedly arranged on the surface of the fan, the fan is fixedly connected with the inner wall of the fixed shell through the mounting frame, and a filter screen is fixedly connected to one side of the inner cavity of the fixed shell and located on the fan.

Preferably, the inner cavity of the cooling cavity is fixedly provided with a sealing frame, the inner ring of the sealing frame is fixedly connected with the surface of the oven, and the outer ring of the sealing frame is fixedly connected with the inner wall of the gas chromatograph main body.

Preferably, the front surface of the gas chromatograph main body is hinged with a sealing door, the surface of the sealing door is fixedly provided with a handle, a magnetic component is arranged between the sealing door and the gas chromatograph main body, and the sealing door is magnetically fixed with the front surface of the gas chromatograph main body through the magnetic component.

Preferably, the magnetic component comprises a first magnet plate embedded on the back of the sealing door, a second magnet plate is embedded on the front of the gas chromatograph main body and positioned at the corresponding position of the first magnet plate, and the back of the first magnet plate and the front of the second magnet plate are mutually magnetically attracted.

Preferably, the back of the sealing door is fixedly provided with two groups of flow guide blocks, and the surfaces of the flow guide blocks are obliquely arranged.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, through the matching use of the air inlet groove, the heat radiating hole and the air blast component, high-temperature air in the oven can be discharged to the outside, so that the heat radiation effect is achieved, and the heat radiation and cooling speed in the oven can be effectively improved through the matching use of the heat radiation structure and the cooling structure by arranging the auxiliary cooling component while the heat radiation is carried out, so that the heat radiation and cooling speed in the oven can be accelerated;

2. according to the utility model, through the arrangement of the flow guide block, air blown into the oven by the air blowing component can be guided, so that the air circulates in the oven and hot air in the oven is discharged to the outside through the heat dissipation holes, and through the arrangement of the magnetic attraction component, the sealing door can be magnetically attracted and fixed on the front surface of the gas chromatograph main body, and through the arrangement of the positioning component, the cooling pipe can be assisted in positioning, so that the use stability of the cooling pipe is improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a magnetic assembly according to the present utility model;

FIG. 3 is a schematic view of a blower assembly according to the present utility model;

fig. 4 is a schematic structural view of the positioning assembly of the present utility model.

In the figure: 1. a gas chromatograph body; 2. a furnace box; 3. a cooling chamber; 4. a heat radiation hole; 5. an air inlet groove; 6. a cooling tube; 7. a liquid inlet pipe; 8. a liquid discharge pipe; 9. a positioning plate; 10. positioning clamping grooves; 11. a fixed case; 12. a fan; 13. a mounting frame; 14. a filter screen; 15. a sealing frame; 16. sealing the door; 17. a handle; 18. a first magnet plate; 19. a second magnet plate; 20. and a flow guiding block.

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.

Example 1

Referring to fig. 1-3, the utility model provides an auxiliary cooling device of a gas chromatograph, which comprises a gas chromatograph main body 1, wherein a furnace box 2 is fixedly arranged in an inner cavity of the gas chromatograph main body 1, a cooling cavity 3 is arranged between the surface of the furnace box 2 and the inner cavity of the gas chromatograph main body 1, a sealing frame 15 is fixedly arranged in the inner cavity of the cooling cavity 3, an inner ring of the sealing frame 15 is fixedly connected with the surface of the furnace box 2, an outer ring of the sealing frame 15 is fixedly connected with the inner wall of the gas chromatograph main body 1, a heat dissipation hole 4 is formed in the back surface of the furnace box 2, the back surface of the heat dissipation hole 4 penetrates through the gas chromatograph main body 1 and extends to the outside of the gas chromatograph main body 1, an air inlet groove 5 is fixedly arranged below the heat dissipation hole 4, the back surface of the furnace box 2 penetrates through the gas chromatograph main body 1 and extends to the outside of the gas chromatograph main body 1, an air inlet groove 5 is also arranged in the inner cavity of the air inlet groove 5, the air inlet groove comprises a fixing shell 11 fixedly arranged in the inner cavity of the air inlet groove 5, a fan 12 is fixedly arranged in the inner cavity of the fixing shell 11, a fan 13 is fixedly arranged in the inner cavity of the fixing shell 12, the fan 12 is fixedly arranged on the inner surface of the fan 12, the fan 12 is fixedly arranged on one side of the fixing frame 12 and fixedly connected with the inner wall of the fixing frame 11 through the inner wall of the fixing shell 11, which is fixedly connected with the inner wall of the fan 11;

through the cooperation of louvre 4 and air inlet groove 5, when need dispel the heat to the inside of oven 2, user's accessible external controller opens fan 12, and fan 12's work can be with the lower air of outside temperature through air inlet groove 5 pump in the inner chamber of oven 2, and in this process filter screen 14 can filter the air of suction oven 2, along with the inside of air continuous injection oven 2, the inside atmospheric pressure of oven 2 can constantly rise, under the effect of high atmospheric pressure, the inside hot air of oven 2 can be discharged outside through louvre 4 to the realization is to the inside radiating purpose of oven 2.

Further, the front surface of the gas chromatograph main body 1 is hinged with a sealing door 16, a handle 17 is fixedly arranged on the surface of the sealing door 16, a magnetic attraction component is arranged between the sealing door 16 and the gas chromatograph main body 1, the sealing door 16 is magnetically attracted and fixed with the front surface of the gas chromatograph main body 1 through the magnetic attraction component, the magnetic attraction component comprises a first magnet plate 18 embedded on the back surface of the sealing door 16, a second magnet plate 19 is embedded on the front surface of the gas chromatograph main body 1 and positioned at the corresponding position of the first magnet plate 18, and the back surface of the first magnet plate 18 and the front surface of the second magnet plate 19 are magnetically attracted with each other;

through the setting of sealing door 16, can play sealed effect to oven 2, can be convenient for the user open sealing door 16 through the setting of handle 17, through the setting of magnet subassembly, can inhale sealing door 16 magnetism and fix in the front of gas chromatograph main part 1, when the user closed sealing door 16, the removal of sealing door 16 can drive the first magnet plate 18 at its back and remove, after first magnet plate 18 moved to the position that its back was laminated with second magnet plate 19, the back of first magnet plate 18 can inhale together with the front magnet of second magnet plate 19 to fix sealing door 16 magnetism in the front of gas chromatograph main part 1.

Further, two groups of guide blocks 20 are fixedly arranged on the back of the sealing door 16, the surfaces of the guide blocks 20 are obliquely arranged, and through the arrangement of the guide blocks 20, after the sealing door 16 is closed, the two groups of guide blocks 20 are respectively positioned on the upper side and the lower side of the front surface of the inner cavity of the oven 2, so that air flow in the oven 2 can be guided during blowing, and the air flow can circulate in the oven 2.

Example 2

Referring to fig. 4, the difference between the present embodiment 2 and the embodiment 1 is that: the inner cavity of the cooling cavity 3 is provided with an auxiliary cooling component, the auxiliary cooling component comprises a cooling pipe 6 arranged in the inner cavity of the cooling cavity 3, the cooling pipe 6 is spirally arranged on the surface of the oven 2, two ends of the cooling pipe 6 are respectively connected with a liquid inlet pipe 7 and a liquid outlet pipe 8, and one ends, far away from the cooling pipe 6, of the liquid inlet pipe 7 and the liquid outlet pipe 8 penetrate through the gas chromatograph main body 1 and extend to the outside of the gas chromatograph main body 1;

through the setting of auxiliary cooling subassembly, when carrying out the heat dissipation to the oven 2 inside, the inside input cold medium of user accessible feed liquor pipe 7 to the cooling rate to the oven 2 inside through the low temperature acceleration of cooling chamber 3, the cold medium can heat up after the heat exchange, and the cold medium after the heat up can discharge to outside through fluid-discharge tube 8 and refrigerate once more through refrigeration plant to realize the circulation and refrigerate the purpose of cooling chamber 3.

Further, a positioning component for carrying out auxiliary support on the cooling pipe 6 is further arranged in the inner cavity of the cooling cavity 3, the positioning component comprises a positioning plate 9 fixedly arranged on one side of the inner cavity of the cooling cavity 3, a positioning clamping groove 10 matched with the cooling pipe 6 is formed in one side of the positioning plate 9, and the surface of the cooling pipe 6 is clamped with the inner wall of the positioning clamping groove 10;

through the setting of locating component, can play the purpose that assistance-localization real-time supported cooling tube 6, the cooling tube 6 encircles the surface at oven 2 in this embodiment to promote the effect to oven 2 internal cooling, in the time of installing cooling tube 6, can be with the surface card of cooling tube 6 go into the location draw-in groove 10 of locating plate 9 one side, in order to install fixedly the position of cooling tube 6.

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

1. The utility model provides an auxiliary cooling device of gas chromatograph, includes gas chromatograph main part (1), the inner chamber fixed mounting of gas chromatograph main part (1) has oven (2), its characterized in that: the cooling device is characterized in that a cooling cavity (3) is arranged between the surface of the oven box (2) and the inner cavity of the gas chromatograph main body (1), an auxiliary cooling component is arranged in the inner cavity of the cooling cavity (3), a heat dissipation hole (4) is formed in the back of the oven box (2), the back of the heat dissipation hole (4) penetrates through the gas chromatograph main body (1) and extends to the outer part of the gas chromatograph main body (1), an air inlet groove (5) is fixedly arranged at the back of the oven box (2) and below the heat dissipation hole (4), and the back of the air inlet groove (5) penetrates through the gas chromatograph main body (1) and extends to the outer part of the gas chromatograph main body (1), and an air blast component is further arranged in the inner cavity of the air inlet groove (5).

2. The auxiliary cooling device for a gas chromatograph according to claim 1, wherein: the auxiliary cooling assembly comprises a cooling pipe (6) arranged in the inner cavity of the cooling cavity (3), the cooling pipe (6) is spirally arranged on the surface of the oven (2), two ends of the cooling pipe (6) are respectively connected with a liquid inlet pipe (7) and a liquid outlet pipe (8), one ends of the liquid inlet pipe (7) and the liquid outlet pipe (8), far away from the cooling pipe (6), penetrate through the gas chromatograph main body (1) and extend to the outer part of the gas chromatograph main body (1), and the inner cavity of the cooling cavity (3) is further provided with a positioning assembly used for carrying out auxiliary support on the cooling pipe (6).

3. An auxiliary cooling device for a gas chromatograph according to claim 2, characterized in that: the positioning assembly comprises a positioning plate (9) fixedly mounted on one side of an inner cavity of the cooling cavity (3), a positioning clamping groove (10) matched with the cooling pipe (6) is formed in one side of the positioning plate (9), and the surface of the cooling pipe (6) is clamped with the inner wall of the positioning clamping groove (10).

4. The auxiliary cooling device for a gas chromatograph according to claim 1, wherein: the air blast assembly comprises a fixed shell (11) fixedly arranged in an inner cavity of the air inlet groove (5), a fan (12) is fixedly arranged in the inner cavity of the fixed shell (11), a mounting frame (13) is fixedly arranged on the surface of the fan (12), the fan (12) is fixedly connected with the inner wall of the fixed shell (11) through the mounting frame (13), and a filter screen (14) is fixedly connected to one side of the inner cavity of the fixed shell (11) and located on one side of the fan (12).

5. The auxiliary cooling device for a gas chromatograph according to claim 1, wherein: the inner cavity of the cooling cavity (3) is fixedly provided with a sealing frame (15), the inner ring of the sealing frame (15) is fixedly connected with the surface of the oven (2), and the outer ring of the sealing frame (15) is fixedly connected with the inner wall of the gas chromatograph main body (1).

6. The auxiliary cooling device for a gas chromatograph according to claim 1, wherein: the gas chromatograph comprises a gas chromatograph main body (1), wherein the front face of the gas chromatograph main body (1) is hinged with a sealing door (16), a handle (17) is fixedly arranged on the surface of the sealing door (16), a magnetic component is arranged between the sealing door (16) and the gas chromatograph main body (1), and the sealing door (16) is magnetically fixed with the front face of the gas chromatograph main body (1) through the magnetic component.

7. The auxiliary cooling device for a gas chromatograph according to claim 6, wherein: the magnetic assembly comprises a first magnet plate (18) embedded in the back of the sealing door (16), a second magnet plate (19) is embedded in the front of the gas chromatograph main body (1) and located at the corresponding position of the first magnet plate (18), and the back of the first magnet plate (18) and the front of the second magnet plate (19) are mutually magnetically attracted.

8. The auxiliary cooling device for a gas chromatograph according to claim 6, wherein: two groups of guide blocks (20) are fixedly arranged on the back of the sealing door (16), and the surfaces of the guide blocks (20) are obliquely arranged.