CN223940889U - Gas chromatography case cooling mechanism - Google Patents
Gas chromatography case cooling mechanismInfo
- Publication number
- CN223940889U CN223940889U CN202520446539.3U CN202520446539U CN223940889U CN 223940889 U CN223940889 U CN 223940889U CN 202520446539 U CN202520446539 U CN 202520446539U CN 223940889 U CN223940889 U CN 223940889U
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- CN
- China
- Prior art keywords
- box body
- heat dissipation
- box
- filter screen
- cooling mechanism
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
本实用新型涉及一种气相色谱箱，属于气相色谱分析设备技术领域，具体是一种气相色谱箱降温机构，包括箱体，箱体底部设有风机凹槽，顶部有过滤网罩，后壁有进风过滤网片。散热组件由多根并排连接、呈凹形横截面结构的散热管构成，竖向设置在风机凹槽并贯穿箱体至过滤网罩，散热管外壁与箱体内壁贴合。底部线性阵列分布的散热风扇出风口对着散热管底部开口，前侧铰接活动门形成检测作业区。本实用新型达到了高效散热、扩大操作空间、保障温场稳定的效果，解决了现有气相色谱箱散热结构占用空间、散热不均及操作不便的问题。
This utility model relates to a gas chromatography chamber, belonging to the technical field of gas chromatography analysis equipment. Specifically, it is a cooling mechanism for a gas chromatography chamber, including a chamber body with a fan groove at the bottom, a filter screen at the top, and an air inlet filter on the rear wall. The heat dissipation assembly consists of multiple parallel heat dissipation pipes with a concave cross-section, vertically arranged in the fan groove and penetrating the chamber body to the filter screen. The outer wall of the heat dissipation pipes is in contact with the inner wall of the chamber. The air outlets of the cooling fans, linearly arrayed at the bottom, face the openings at the bottom of the heat dissipation pipes. A hinged door at the front forms the detection work area. This utility model achieves efficient heat dissipation, expands the operating space, and ensures a stable temperature field, solving the problems of space occupation, uneven heat dissipation, and inconvenient operation of existing gas chromatography chamber heat dissipation structures.
Description
Technical Field
The utility model relates to the technical field of gas chromatography equipment, in particular to a cooling mechanism of a gas chromatography box.
Background
In the field of gas chromatographic analysis equipment, the internal temperature control of a gas chromatographic box plays a vital role in the detection precision and stability of the equipment. In order to ensure that the electronic components and the detection parts inside the gas chromatographic box work normally, an efficient cooling mechanism is required to maintain a proper temperature environment.
Through retrieving the chinese patent of bulletin number CN221224666U, disclose a quick cooling mechanism of gas chromatograph post case, relate to the quick cooling technical field of gas chromatograph post case, the power distribution box comprises a box body, the top of box is provided with cooling unit, through the cooperation between slider and inserted block and fixed plate and block groove and the slot, can make things convenient for the fixed plate spacing to the mounting panel of cooling box junction to be convenient for dismouting between cooling box and the box, be convenient for clear up fast to the cooling box, change spare part, guarantee cooling effect.
Through retrieving the chinese patent of bulletin number CN212748826U, a gas chromatograph program heating device is disclosed, which comprises a box body, install radiator fan, chromatographic column, elevating system in the box, temperature sensor is installed to chromatographic column one side, and heater and heat conduction board are installed to the opposite side, elevating system includes the lifter, installs the heat preservation lid that can lock on the chromatographic column on the lifter. The gas chromatograph temperature programming device has simple structure and small volume. The temperature can be quickly increased and decreased, and the working temperature of the chromatographic column can be accurately controlled.
Based on the above search in combination with the prior art findings:
The cooling mechanism of the patent and most of the existing gas chromatographic boxes has some problems. In the existing gas chromatographic box cooling mechanism, the design of a heat dissipation structure is unreasonable, a radiator placed in the middle is often adopted, so that a large amount of space in the box is occupied, the space in a detection operation area is narrow and small, the operation is inconvenient, and in addition, the suspended cooling fins can enable the air flow in the box to be disordered, turbulent interference is generated, and the uniformity of a heat dissipation effect is influenced. Meanwhile, the design of the air duct is mostly a horizontal air duct, so that the phenomenon of air flow short circuit is easy to occur, the stable temperature field cannot be formed in the box body, and the requirement of gas chromatography analysis on the precise detection environment is difficult to meet. In addition, the design of the filtering system of some heat dissipation structures is poor, the maintenance is more complicated, and impurities such as dust are difficult to effectively intercept, so that the normal operation and the service life of equipment are influenced.
Disclosure of utility model
In order to solve the technical problems, the utility model provides the cooling mechanism of the gas chromatographic box, which increases the filtering area of air inlet by arranging at least three groups of transverse air inlet filter meshes, so that air entering a fan groove can be filtered more fully, impurities such as dust and the like are reduced to enter the interior of the box, the efficient filtration of the air entering the interior of the box is realized, the cleaning of a heat radiating component and equipment in the box is ensured, and the service life of the equipment is prolonged.
The technical proposal for realizing the aim of the utility model is that the cooling mechanism of the gas chromatographic box comprises a box body and also comprises;
The bottom of the box body is provided with a fan groove, the top of the box body is provided with a filter screen cover, and the rear wall surface of the box body is provided with an air inlet filter screen sheet communicated with the fan groove;
The heat dissipation assembly comprises a plurality of heat dissipation pipes connected side by side, the whole heat dissipation assembly is of a concave cross-section structure, the heat dissipation assembly is vertically arranged in the fan groove and extends upwards to penetrate through the inside of the box body to the filter screen cover, and the outer wall surfaces of the heat dissipation pipes are attached to the left and right side wall surfaces of the inside of the box body and the inner surface of the inner side wall of the box body;
The radiating fans are distributed in a linear array on the bottom surface of the fan groove, and the air outlets of the radiating fans face the bottom opening of the radiating pipe;
The movable door is hinged to the front side wall surface of the box body, and a detection operation area is formed between the movable door and the radiating component inside the box body.
In some embodiments, a clamping groove for clamping the bottom of the filter screen is formed in the top of the box body.
In some embodiments, a magnetic square ring for magnetic attraction with the case body shell is installed at the bottom of the filter screen cover.
In some embodiments, the inlet air filter screen is disposed laterally on the back of the housing in at least three groups.
In some embodiments, a ring of elastic protective washers is mounted to the bottom of the housing.
In some embodiments, the outside of box is provided with controls the end, control the end and including connecting the control box on the box outside, display screen and debugging panel are installed to the front side of control box.
Compared with the prior art, the utility model, its apparent advantage is:
The utility model adopts the cooperative design of a unique concave radiating component and three-sided attaching box walls, the radiating component consists of a plurality of radiating pipes which are connected side by side, the concave cross section structure of the radiating pipes is fully attached to the inner surfaces of the left side wall, the right side wall and the rear side wall of the box body, and the radiating pipes vertically extend from the bottom fan groove to the top filter screen cover. The heat conduction efficiency is remarkably improved by directly converting the metal wall surface of the box body into an expansion heat transfer surface through the close contact between the outer wall surface of the radiating pipe and the inner wall of the box body, and meanwhile, the concave structure forms a directional flow guide channel, so that the air flow path generated by the radiating fan is optimized, and the forced convection effect is enhanced. According to the design, when three-dimensional heat dissipation is realized, the heat dissipation structure is tightly attached to the edges of the box wall, so that a complete and open detection operation area is formed in the central area of the box body, the problem of limited equipment operation space caused by centering of a traditional radiator is thoroughly solved, and turbulent interference caused by suspended radiating fins is avoided.
And two,:
The utility model innovatively designs a vertical penetrating type air duct system from bottom to top, axial ascending air flow is generated by the radiating fans distributed in the linear array in the fan groove, and directional strong convection is formed by matching with the concave guiding structure of the radiating pipe. The top filter screen cover and the air inlet filter screen piece of the rear wall of the box body cooperatively form a bidirectional filter screen, so that multistage dust interception is realized while the air circulation efficiency is ensured. The structure effectively avoids the air flow short circuit phenomenon of the traditional horizontal air duct through vertical unidirectional air flow control, remarkably improves the heat radiation uniformity, ensures the stability of the temperature field in the box body, meets the precision detection requirement, and solves the core problems of uneven heat radiation and complex maintenance of a filtering system caused by the occupation of the operation space and the air flow disorder of the heat radiation structure of the traditional gas chromatographic box.
Drawings
The utility model is further explained below with reference to the drawings and examples:
FIG. 1 is a schematic diagram of a front perspective view of a cooling mechanism for a gas chromatograph case according to an embodiment of the present utility model;
FIG. 2 is a bottom view of a cooling mechanism for a gas chromatograph oven provided in one embodiment of the present utility model;
FIG. 3 is a bottom fan recess of a cooling mechanism for a gas chromatograph case provided in an embodiment of the present utility model;
FIG. 4 is a schematic perspective view showing a state that a gas chromatograph case cooling mechanism is opened and a movable door is opened according to an embodiment of the present utility model;
FIG. 5 is a schematic view showing a semi-cutaway perspective structure of a cooling mechanism of a gas chromatograph case according to an embodiment of the present utility model;
FIG. 6 is a partially exploded view of the top of a cooling mechanism for a gas chromatograph cabinet in accordance with one embodiment of the present utility model.
Reference numerals illustrate:
1. the air conditioner comprises a box body, 101, a fan groove, 102, a clamping groove, 2, a movable door, 3, a filter screen cover, 301, a magnetic square ring, 4, a protective gasket, 5, a radiating pipe, 6, a radiating fan, 7, an air inlet filter screen piece, 8, a control box body, 801, a display screen, 802 and a debugging panel.
Detailed Description
The following detailed description of the present utility model clearly and fully describes the technical solutions of the embodiments of the present utility model, and it is apparent that the described embodiments 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.
The utility model provides a cooling mechanism of a gas chromatographic box through improvement, which comprises the following technical scheme:
In the first embodiment, as shown in fig. 1-5, a cooling mechanism of a gas chromatographic box comprises a box body 1, wherein a fan groove 101 is formed in the bottom of the box body 1, a filter screen 3 is arranged at the top of the box body 1, and an air inlet filter screen 7 communicated with the fan groove 101 is arranged on the rear wall surface of the box body 1. Still include the radiator unit, the radiator unit includes that many cooling tubes 5 that are connected side by side constitute, wholly is spill cross section structure, and the vertical setting of radiator unit runs through inside box 1 to filtering screen panel 3 in fan recess 101 and upwards extends, and the outer wall of cooling tube 5 is laminated with the inside inner surface of side wall face and box 1 about box 1. The cooling fan 6 is further arranged, the cooling fans 6 are distributed in a linear array on the bottom surface of the fan groove 101, and the air outlet of the cooling fan 6 faces the bottom opening of the cooling pipe 5. In addition, the movable door 2 is hinged to the front side wall surface of the box body 1, and a detection operation area is formed between the movable door and the heat dissipation component in the box body 1.
As shown in fig. 2 and 3, in an embodiment, the air inlet filter screen 7 is transversely arranged on the back of the box body 1, and by arranging at least three groups of transverse air inlet filter screens 7, the filtering area of the air inlet is increased, so that the air entering the fan groove 101 can be filtered more fully, impurities such as dust and the like are reduced from entering the box body 1, the air entering the box body 1 is filtered efficiently, the cleaning of the heat dissipation assembly and the equipment inside the box body 1 is ensured, and the service life of the equipment is prolonged.
In an embodiment, as shown in fig. 1-5, a ring of elastic protective washer 4 is installed at the bottom of the box body 1, and by means of the arrangement of the protective washer 4, the device can play a role in buffering and damping when the gas chromatographic box is placed, so that damage to internal equipment of the box body 1 caused by collision during placement is reduced, and meanwhile abrasion caused by direct contact between the bottom of the box body 1 and a placement surface can be prevented, protection of the box body 1 and the internal equipment is realized, and stability and reliability of the equipment are improved.
As shown in fig. 1-2, in an embodiment, the outer side of the box 1 is provided with a control end, the control end comprises a control box 8 connected to the outer side of the box 1, a display screen 801 and a debugging panel 802 are installed on the front side of the control box 8, and by setting the control end and including the control box 8, the display screen 801 and the debugging panel 802, an operator can conveniently start, debug and the like the gas chromatographic box, so that convenient control of equipment is realized, and the efficiency and accuracy of operation are improved.
As shown in fig. 3 and 4, in an embodiment, the radiating pipes 5 of the radiating assembly are connected side by side and are of a concave cross-section structure, are vertically arranged in the fan groove 101 and penetrate through the box body 1 to the filter screen 3, the outer wall surface of the radiating assembly is attached to the inside of the box body 1, through the arrangement of the structure, the contact area of the radiating pipes 5 and air is increased, meanwhile, the radiating pipes 5 are tightly attached to the inside of the box body 1, heat in the box body 1 can be more effectively transferred to the radiating pipes 5, air blown by the radiating fan 6 passes through the radiating pipes 5 and is discharged through the filter screen 3, so that an efficient radiating function is realized, the inside of the gas chromatographic box is ensured to be in a proper temperature environment, the detection precision and stability of equipment are improved, and the concave structure of the radiating pipes 5 also has the function of reinforcing ribs, and the integral structural strength of the box body 1 is enhanced.
In the second embodiment, as shown in fig. 6, in the first embodiment, a clamping groove 102 for clamping the bottom of the filter screen cover 3 is formed in the top of the box body 1, and the filter screen cover 3 can be stably installed on the top of the box body 1 through the arrangement of the clamping groove 102, so that the filter screen cover 3 can be conveniently detached and installed, meanwhile, the filter screen cover 3 can be prevented from shaking or shifting in the using process, protection of the top of the box body 1 and effective filtration of air circulation are realized, and external sundries are prevented from entering the box body 1 to affect the normal operation of the gas chromatographic box.
In the embodiment, the bottom of the filter screen cover 3 is provided with the magnetic square ring 301 for magnetic attraction with the shell of the box body 1, the connection stability between the filter screen cover 3 and the box body 1 is further enhanced through the arrangement of the magnetic square ring 301, the installation is more convenient and faster due to the magnetic attraction mode on the basis of the clamping groove 102, the fixation of the filter screen cover 3 can be better kept in the running process of equipment, the further protection of the internal environment of the box body 1 is realized, and meanwhile, the filter screen cover 3 is convenient to clean and replace.
The working principle and the using flow of the utility model are as follows:
When the gas chromatograph cabinet needs to be cooled, an operator can start the equipment through the display screen 801 on the front side of the control cabinet 8. At this time, the heat radiation fan 6 starts to operate, and air enters the fan groove 101 from the air intake filter sheet 7 on the rear wall surface of the case 1, and after being filtered, the air is blown to the heat radiation pipe 5 by the heat radiation fan 6. Because cooling tube 5 closely laminates with box 1 inside, on the cooling tube 5 was transmitted to the heat that box 1 inside produced, the wind area that radiator fan 6 blown out walked away the heat on the cooling tube 5 to outside the box 1 was discharged through the filtration screen panel 3 at top, the realization was to the cooling of box 1 inside. When the detection operation is needed, the movable door 2 hinged on the front side wall surface of the box body 1 can be opened, and a detection operation area formed between the movable door 2 and the heat dissipation component is operated. When the device needs to be debugged, corresponding setting and adjustment can be performed through the debug panel 802 on the front side of the control box 8. In the use process of the equipment, the collision during the placement of the equipment can be effectively buffered due to the existence of the protective gasket 4, so that the risk of equipment damage is reduced. Meanwhile, the magnetic filter screen cover 3 can be cleaned and replaced regularly by disassembling the magnetic filter screen cover so as to ensure the normal operation of the equipment.
The technical means disclosed by the scheme of the utility model is not limited to the technical means disclosed by the technical means, and also comprises the technical scheme consisting of the technical characteristics and the equivalent substitution. The present utility model is not limited to the prior art.
Claims (6)
1. The cooling mechanism of the gas chromatographic box comprises a box body (1) and is characterized by also comprising;
The air inlet filter comprises a fan groove (101), wherein the bottom of the box body (1) is provided with the fan groove (101), the top of the box body (1) is provided with a filter screen cover (3), and the rear wall surface of the box body (1) is provided with an air inlet filter screen (7) communicated with the fan groove (101);
The heat dissipation assembly comprises a plurality of heat dissipation pipes (5) which are connected side by side, the whole heat dissipation assembly is of a concave cross-section structure, the heat dissipation assembly is vertically arranged in the fan groove (101) and extends upwards to penetrate through the inside of the box body (1) to the filter screen cover (3), and the outer wall surfaces of the heat dissipation pipes (5) are attached to the left and right side wall surfaces of the inside of the box body (1) and the inner surface of the inner side wall of the box body (1);
The cooling fans (6) are distributed in a linear array on the bottom surface of the fan groove (101), and the air outlets of the cooling fans (6) face the bottom opening of the cooling pipe (5);
The movable door (2) is hinged to the front side wall surface of the box body (1), and a detection operation area is formed between the movable door (2) and a heat dissipation assembly in the box body (1).
2. The cooling mechanism of a gas chromatographic box according to claim 1, wherein a clamping groove (102) for clamping the bottom of the filter screen cover (3) is formed in the top of the box body (1).
3. The cooling mechanism of the gas chromatographic box according to claim 1, wherein a magnetic square ring (301) for magnetic attraction with the shell of the box body (1) is arranged at the bottom of the filter screen cover (3).
4. A cooling mechanism for a gas chromatograph cabinet according to claim 1, wherein at least three groups of air inlet filter meshes (7) are transversely arranged on the back of the cabinet body (1).
5. The cooling mechanism of a gas chromatographic box according to claim 1, wherein a circle of elastic protective washers (4) are arranged at the bottom of the box body (1).
6. The cooling mechanism of a gas chromatographic box according to any one of claims 1-5, wherein a control end is arranged on the outer side of the box body (1), the control end comprises a control box body (8) connected with the outer side of the box body (1), and a display screen (801) and a debugging panel (802) are arranged on the front side of the control box body (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520446539.3U CN223940889U (en) | 2025-03-14 | 2025-03-14 | Gas chromatography case cooling mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520446539.3U CN223940889U (en) | 2025-03-14 | 2025-03-14 | Gas chromatography case cooling mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223940889U true CN223940889U (en) | 2026-02-24 |
Family
ID=98817634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202520446539.3U Active CN223940889U (en) | 2025-03-14 | 2025-03-14 | Gas chromatography case cooling mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223940889U (en) |
-
2025
- 2025-03-14 CN CN202520446539.3U patent/CN223940889U/en active Active
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