CN212229492U

CN212229492U - Gas path constant temperature system of specific surface area and aperture analyzer

Info

Publication number: CN212229492U
Application number: CN202020472942.0U
Authority: CN
Inventors: 孙超
Original assignee: Beijing Builder Electronic Technology Co ltd
Current assignee: Beijing Builder Electronic Technology Co ltd
Priority date: 2020-04-03
Filing date: 2020-04-03
Publication date: 2020-12-25
Anticipated expiration: 2030-04-03

Abstract

The utility model discloses a specific surface area and aperture analyzer's gas circuit constant temperature system, including first casing, the front end left side fixedly connected with second casing of first casing, the right side of second casing is provided with the third casing, third casing fixed connection be in the intermediate position of first casing, the rear end of third casing is open structure, the second opening has been seted up to the front end intermediate position of first casing. The utility model discloses in, the slow will rotate of second direct current brushless fan, with the hot-air in the third casing at the uniform velocity in discharging into the first casing, temperature sensor measures and feeds back to the temperature height that its heating was controlled to first hot plate to the temperature in the first casing this moment, and then controls the temperature in the first casing, and this scheme not only can avoid the influence of room temperature variation to work gas circuit temperature under the prerequisite that the internal part does not generate heat, can also solve the uncontrollable defect of external air supply gas temperature variation.

Description

Gas path constant temperature system of specific surface area and aperture analyzer

Technical Field

The utility model relates to a physical adsorption appearance equipment technical field especially relates to a specific surface area and aperture analyzer's gas circuit constant temperature system.

Background

For physical adsorption instruments, particularly specific surface area and aperture analyzers, adsorption and desorption performance data of gas need to be calculated according to an ideal gas equation, so that the temperature of all systems related to the gas is kept constant.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a gas circuit constant temperature system of a specific surface area and aperture analyzer.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a gas path constant temperature system of a specific surface area and aperture analyzer comprises a first shell, wherein a second shell is fixedly connected to the left side of the front end of the first shell, a third shell is arranged on the right side of the second shell and fixedly connected to the middle position of the first shell, the rear end of the third shell is of an open structure, a second opening is formed in the middle position of the front end of the first shell, a second filter screen is fixedly connected into the second opening, a first box body is fixedly connected to the rear end inside the second shell, the front end and the right end of the first box body are of an open structure, a first direct current brushless fan is fixedly connected to the front end of the first box body, a first connecting pipe is fixedly connected to the right end of the first box body, a first heat-conducting net is embedded in the middle position of the first connecting pipe, and first heating plates are fixedly connected to the upper end and the lower end of the first heat-conducting net, the right end of the first connecting pipe penetrates through the right wall of the second shell and is connected to the inside of the third shell, a fourth shell is fixedly connected to the middle of the inside of the first shell, the upper end of the fourth shell is of an open structure, and a second direct-current brushless fan is fixedly connected to the upper end of the inside of the fourth shell.

As a further description of the above technical solution:

the lateral wall fixedly connected with of fourth casing is a plurality of second connecting pipes, and is a plurality of the first tuber pipe of the equal fixedly connected with in end of second connecting pipe.

As a further description of the above technical solution:

the inner side of the second opening is fixedly connected with a second connecting shell, and the rear end of the second connecting shell is fixedly connected with a first connecting shell.

As a further description of the above technical solution:

the front end of the first connecting shell and the lower side of the rear end of the first connecting shell are of open structures, the front end of the first connecting shell and the rear end of the first connecting shell are of open structures, and the lower side of the rear end of the first connecting shell is fixedly connected with the upper end of the fourth connecting shell.

As a further description of the above technical solution:

first wind hole has been opened to the front side of second casing, the first screen panel of fixedly connected with in the first wind hole, first opening has been seted up on the front end left side of third casing, be provided with first baffle on the first opening, the left side of first baffle with the third casing rotates to be connected, the first filter screen of the inside left side bolt fixedly connected with of third casing.

As a further description of the above technical solution:

the equal fixedly connected with temperature sensor in inside bottom left side and the right side of first casing, temperature sensor's model is PT 100.

The utility model discloses following beneficial effect has:

the air path constant temperature system of the specific surface area and aperture analyzer is characterized in that a first direct current brushless fan sucks outside air into a first box body through a first air hole, a first mesh enclosure filters the air by first dust, the air is transferred to a first connecting pipe from the first box body, at the moment, a first heat conduction net embedded in a first connecting pipe is heated by a first heating plate to generate heat, the first heat conduction net can heat the air flowing through the first heat conduction net, the heated air enters a third shell body through the filtration of the first filter net, the third shell body is a buffering position and prevents the overhigh air flow rate from entering the first shell body, at the moment, a second direct current brushless fan in the first shell body slowly rotates to suck the hot air in the third shell body into a fourth shell body through the first connecting shell body and a second connecting pipe, and a first air outlet pipe at a constant speed and then discharges the hot air in the first shell body, temperature sensor measures and feeds back to the temperature height that its heating was controlled to first hot plate to the temperature in the first casing this moment, and then control the temperature in the first casing, wherein, a plurality of first play tuber pipes that set up can be with the even dispersion of hot-air to the first casing in, make the temperature in the first casing maintain on same level basically, can guarantee the constant temperature state in the first casing, this scheme not only can avoid the influence of room temperature change to working gas circuit temperature under the prerequisite that interior part does not generate heat, can also solve the uncontrollable defect of external air supply gas temperature change.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a schematic view of the internal structure of the second and third housings of the present invention;

fig. 3 is a top view of the present invention.

Illustration of the drawings:

1. a first housing; 2. a first baffle plate; 3. a first air vent; 4. a first mesh enclosure; 5. a second housing; 6. a third housing; 7. a first DC brushless fan; 8. a first heating plate; 9. a first thermally conductive mesh; 10. a first connecting pipe; 11. a first filter screen; 12. a second filter screen; 13. a first opening; 14. a first case; 15. a first air outlet pipe; 16. a second connecting pipe; 17. a second DC brushless fan; 18. a fourth housing; 19. a temperature sensor; 20. a first connecting housing; 21. a second opening; 22. a second connection housing;

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a gas path constant temperature system of a specific surface area and aperture analyzer comprises a first shell 1, a second shell 5 is fixedly connected to the left side of the front end of the first shell 1, a third shell 6 is arranged on the right side of the second shell 5, the third shell 6 is fixedly connected to the middle position of the first shell 1, the rear end of the third shell 6 is of an open structure, a second opening 21 is formed in the middle position of the front end of the first shell 1, a second filter screen 12 is fixedly connected in the second opening 21, a first box 14 is fixedly connected to the rear end of the inner part of the second shell 5, the front end and the right end of the first box 14 are of an open structure, a first direct-current brushless fan 7 is fixedly connected to the front end of the first box 14, a first connecting pipe 10 is fixedly connected to the right end of the first box 14, a first heat conducting net 9 is embedded in the middle position of the first connecting pipe 10, first heating plates 8 are fixedly connected to the upper end and the lower end of the first heat, the right end of the first connection pipe 10 penetrates through the right wall of the second housing 5 and is connected to the inside of the third housing 6, a fourth housing 18 is fixedly connected to the middle position of the inside of the first housing 1, the upper end of the fourth housing 18 is of an open structure, and a second dc brushless fan 17 is fixedly connected to the upper end of the inside of the fourth housing 18.

The outer side wall of the fourth shell 18 is fixedly connected with a plurality of second connecting pipes 16, the tail ends of the plurality of second connecting pipes 16 are fixedly connected with first air outlet pipes 15, and the plurality of first air outlet pipes 15 can uniformly disperse hot air into the first shell 1, so that the temperature in the first shell 1 is basically maintained at the same level; a second connecting shell 22 is fixedly connected to the inner side of the second opening 21, and a first connecting shell 20 is fixedly connected to the rear end of the second connecting shell 22; the front end and the rear end of the first connecting shell 20 are open structures, the front end and the rear end of the first connecting shell 20 are both open structures, the rear end and the lower side of the first connecting shell 20 are fixedly connected with the upper end of the fourth shell 18, the third shell 6 is a buffer position, and the situation that the air flow velocity is too high enters the first shell 1 is prevented, at the moment, the second brushless direct current motor in the first shell 1 rotates slowly, and hot air in the third shell 6 is sucked into the fourth shell 18 from the first connecting shell 20 and the second connecting shell 22; a first air hole 3 is formed in the front side of the second shell 5, a first mesh enclosure 4 is fixedly connected in the first air hole 3, a first opening 13 is formed in the left side of the front end of the third shell 6, a first baffle 2 is arranged on the first opening 13, the left side of the first baffle 2 is rotatably connected with the third shell 6, a first filter screen 11 is fixedly connected to the left side of the inside of the third shell 6 through a bolt, and the first filter screen 11 is conveniently replaced by the arranged first baffle 2; the equal fixedly connected with temperature sensor 19 in inside bottom left side and the right side of first casing 1, temperature sensor 19's model is PT100, and 19 aim at of temperature sensor who sets up measure the temperature in first casing 1 and feed back to the temperature height that first hot plate 8 controlled its heating, and then control the temperature in first casing 1.

The working principle is as follows: the first dc brushless fan 7 sucks external air into the first box 14 through the first air hole 3, at this time, the first mesh enclosure 4 filters the first dust of the air, the air is transferred from the first box 14 to the first connecting pipe 10, at this time, the first heat conducting net 9 embedded in the first connecting pipe 10 is heated by the first heating plate 8 to generate heat, the first heat conducting net 9 can heat the air passing through the first heat conducting net 9, the heated air enters the third shell 6 through the filtering of the first filter screen 11, the third shell 6 is a buffering position to prevent the air with too high flow rate from entering the first shell 1, at this time, the second dc brushless fan 17 in the first shell 1 slowly rotates, the hot air in the third shell 6 is sucked into the fourth shell 18 through the first connecting shell 20 and the second connecting shell 22, and then is discharged into the first shell 1 through the second connecting pipe 16 and the first air outlet pipe 15 at a constant speed, at this moment, the temperature sensor 19 measures the temperature in the first housing 1 and feeds back the measured temperature to the first heating plate 8 to control the heating temperature, and then controls the temperature in the first housing 1, wherein the plurality of first air outlet pipes 15 are arranged to uniformly disperse hot air into the first housing 1, so that the temperature in the first housing 1 is basically maintained at the same level, and the constant temperature state in the first housing 1 is ensured.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a gas circuit constant temperature system of specific surface area and aperture analysis appearance, includes first casing (1), its characterized in that: the fan is characterized in that a second shell (5) is fixedly connected to the left side of the front end of the first shell (1), a third shell (6) is arranged on the right side of the second shell (5), the third shell (6) is fixedly connected to the middle position of the first shell (1), the rear end of the third shell (6) is of an open structure, a second opening (21) is formed in the middle position of the front end of the first shell (1), a second filter screen (12) is fixedly connected to the inside of the second opening (21), a first box body (14) is fixedly connected to the rear end of the inside of the second shell (5), the front end and the right end of the first box body (14) are of an open structure, a first direct-current brushless fan (7) is fixedly connected to the front end of the first box body (14), a first connecting pipe (10) is fixedly connected to the right end of the first box body (14), a first heat conducting net (9) is inlaid in the middle position of the first connecting pipe (10), the heat-conducting fan is characterized in that the upper end and the lower end of the first heat-conducting net (9) are fixedly connected with first heating plates (8), the right end of the first connecting pipe (10) penetrates through the right wall of the second shell (5) to be connected to the inside of the third shell (6), the middle position of the inside of the first shell (1) is fixedly connected with a fourth shell (18), the upper end of the fourth shell (18) is of an open structure, and the upper end of the inside of the fourth shell (18) is fixedly connected with a second direct-current brushless fan (17).

2. The gas path constant temperature system of the specific surface area and aperture analyzer as claimed in claim 1, wherein: the lateral wall fixedly connected with of fourth casing (18) is a plurality of second connecting pipe (16), and is a plurality of the end of second connecting pipe (16) equal fixedly connected with first play tuber pipe (15).

3. The gas path constant temperature system of the specific surface area and aperture analyzer as claimed in claim 1, wherein: the inner side of the second opening (21) is fixedly connected with a second connecting shell (22), and the rear end of the second connecting shell (22) is fixedly connected with a first connecting shell (20).

4. The gas path constant temperature system of the specific surface area and aperture analyzer as claimed in claim 3, wherein: the front end of the first connecting shell (20) and the lower side of the rear end of the first connecting shell are of open structures, the front end of the first connecting shell (20) and the rear end of the first connecting shell are of open structures, and the lower side of the rear end of the first connecting shell (20) is fixedly connected with the upper end of the fourth shell (18).

5. The gas path constant temperature system of the specific surface area and aperture analyzer as claimed in claim 1, wherein: the front side of second casing (5) is opened and is equipped with first wind hole (3), the first screen panel of fixedly connected with (4) in first wind hole (3), first opening (13) have been seted up on the front end left side of third casing (6), be provided with first baffle (2) on first opening (13), the left side of first baffle (2) with third casing (6) rotate to be connected, the first filter screen of inside left side bolt fixedly connected with (11) of third casing (6).

6. The gas path constant temperature system of the specific surface area and aperture analyzer as claimed in claim 1, wherein: the equal fixedly connected with temperature sensor (19) in inside bottom left side and its right side of first casing (1), the model of temperature sensor (19) is PT 100.