CN213874533U - Digital gas isothermal change experimental instrument - Google Patents
Digital gas isothermal change experimental instrument Download PDFInfo
- Publication number
- CN213874533U CN213874533U CN202023043254.1U CN202023043254U CN213874533U CN 213874533 U CN213874533 U CN 213874533U CN 202023043254 U CN202023043254 U CN 202023043254U CN 213874533 U CN213874533 U CN 213874533U
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- Prior art keywords
- fixedly connected
- gas
- sleeve
- shell
- digital
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Abstract
The utility model discloses a gaseous isothermal change experiment appearance of digital, comprising a base plate, the front end of shell is provided with the charactron, second screw nail fixedly connected with IC circuit is passed through in the top left side of mounting panel, the top right side fixedly connected with baroceptor of mounting panel, the top fixedly connected with gas valve of shell, the bottom fixed connection of second air duct is at baroceptor's top, be provided with the sleeve in the mount pad, telescopic bottom fixedly connected with gas-supply pipe, telescopic top threaded connection has the top cap, telescopic inside sliding connection has the sealing plug, the top fixedly connected with slide bar of sealing plug. The utility model discloses in, through the gaseous volume of pulling the slide bar and then control the sleeve in the sleeve, via baroceptor measurement, show the atmospheric pressure value by the charactron, compare in traditional measuring instrument measurement more accurate, be worth wideling popularize.
Description
Technical Field
The utility model relates to a teaching experiment instrument field especially relates to gaseous isothermal change experiment appearance of digital.
Background
At a quantitative fixed temperature, the volume of an ideal gas is inversely proportional to the pressure of the gas. Is proposed by England chemist Boyle, according to experimental results in 1662: the quantitative gas in the closed container has the inverse relation between the pressure and the volume of the gas at constant temperature, which is called Boyle's law.
The traditional Boyle's law experimental instrument is that small-size cylinder cooperates the manometer to test, and this kind of test method has very big error, leads to the experimental data inaccurate.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a digital gas isothermal change experimental instrument.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the digital gas isothermal change experimental instrument comprises a bottom plate, wherein a mounting plate is fixedly connected to the left side of the top of the bottom plate, the top of the mounting plate is connected with a shell through first screws in a threaded manner, a nixie tube is arranged at the front end of the shell, an IC circuit is fixedly connected to the left side of the top of the mounting plate through second screws, a gas pressure sensor is fixedly connected to the right side of the top of the mounting plate, a gas valve is fixedly connected to the top of the shell, a first gas guide tube is fixedly connected to the left side of the gas valve, the other end of the first gas guide tube penetrates through the right side of the shell and extends outwards, a gas guide port is fixedly connected to the right side of the first gas guide tube, a second gas guide tube is fixedly connected to the bottom of the gas valve, the bottom of the second gas guide tube, the mounting base is internally provided with a sleeve, the bottom of the sleeve is fixedly connected with a gas pipe, the top of the sleeve is in threaded connection with a top cover, the inside of the sleeve is in sliding connection with a sealing plug, and the top of the sealing plug is fixedly connected with a sliding rod.
As a further description of the above technical solution:
the bottom of the gas valve extends through the top of the housing and extends downward.
As a further description of the above technical solution:
the top of slide bar upwards runs through the top cap and upwards extends and the top fixedly connected with handle of slide bar.
And the top of the top cover is provided with a limiting hole corresponding to the sliding rod.
As a further description of the above technical solution: the sleeve is made of glass.
As a further description of the above technical solution: the surface of the sleeve is provided with scale marks and the volume in the sleeve is 100 ML.
As a further description of the above technical solution: the material of air guide port is PVC.
The utility model discloses following beneficial effect has: in the utility model, the front end of the shell is provided with a nixie tube, the left side of the top of the mounting plate is fixedly connected with an IC circuit through a second screw, the right side of the top of the mounting plate is fixedly connected with a gas valve, the left side of the gas valve is fixedly connected with a first gas guide tube, the other end of the first gas guide tube penetrates through the right side of the shell and extends outwards, the right side of the first gas guide tube is fixedly connected with a gas guide port, the bottom of the gas valve is fixedly connected with a second gas guide tube, the bottom of the second gas guide tube is fixedly connected with the top of the gas valve, a sleeve is arranged in the mounting seat, the bottom of the sleeve is fixedly connected with a gas pipe, the top of the sleeve is in threaded connection with a top cover, the inner part of the sleeve is in sliding connection with a sealing plug, the top of the sealing plug is fixedly connected with a sliding rod, firstly, a certain mass of gas is extracted by using the sleeve, and then the sleeve is connected with the first gas guide tube through the gas pipe, through the volume of pulling the slide bar and then controlling the gaseous in the sleeve, via baroceptor measurement, show the atmospheric pressure value by the charactron, measure repeatedly, compare in traditional measuring instrument measurement more accurate, experimental data is more accurate, is worth wideling popularize.
Drawings
FIG. 1 is an external view of a digital gas isothermal variation experimental instrument provided by the present invention;
fig. 2 is an exploded view of the housing of the digital gas isothermal variation tester provided by the present invention;
fig. 3 is an exploded view of the sleeve of the digital gas isothermal variation experimental instrument of the present invention.
Illustration of the drawings:
1. a base plate; 2. mounting a plate; 3. a housing; 4. a first screw; 5. a nixie tube; 6. a gas valve; 7. an air pressure sensor; 8. an IC circuit; 9. a second screw; 10. a first air duct; 11. a second air duct; 12. an air guide port; 13. a mounting seat; 14. a sleeve; 15. scale lines; 16. a gas delivery pipe; 17. a top cover; 18. a limiting hole; 19. a slide bar; 20. a sealing plug; 21. a handle.
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 digital gas isothermal change experimental instrument comprises a bottom plate 1, a mounting plate 2 is fixedly connected to the left side of the top of the bottom plate 1, the top of the mounting plate 2 is connected with a shell 3 through a first screw 4 in a threaded manner, a nixie tube 5 is arranged at the front end of the shell 3, an IC circuit 8 is fixedly connected to the left side of the top of the mounting plate 2 through a second screw 9, an air pressure sensor 7 is fixedly connected to the right side of the top of the mounting plate 2, an air valve 6 is fixedly connected to the top of the shell 3, a first air duct 10 is fixedly connected to the left side of the air valve 6, the other end of the first air duct 10 penetrates through the right side of the shell 3 and extends outwards, an air guide port 12 is fixedly connected to the right side of the first air duct 10, a second air duct 11 is fixedly connected to the bottom of the air valve 6, the bottom of the second air duct 11 is fixedly connected to the top of the air pressure sensor 7, and a mounting base 13 is fixedly connected to the right side of the top of the bottom plate 1, be provided with sleeve 14 in the mount pad 13, the bottom fixedly connected with gas-supply pipe 16 of sleeve 14, the top threaded connection of sleeve 14 has top cap 17, the inside sliding connection of sleeve 14 has sealing plug 20, the top fixedly connected with slide bar 19 of sealing plug 20, use sleeve 14 to extract the gas of certain quality, then link to each other sleeve 14 with first air duct 10 through gas-supply pipe 16, through pulling slide bar 19 and then the gaseous volume in the control sleeve 14 in sleeve 14, measure via baroceptor 7, show the atmospheric pressure value by charactron 5.
The bottom of gas valve 6 runs through the top and the downwardly extending of shell 3, top cap 17 and the upwards extension of upwards running through and the top fixedly connected with handle 21 of slide bar 19 are upwards gone through to the top of slide bar 19, the top of top cap 17 is provided with the spacing hole 18 corresponding with slide bar 19, the material of sleeve 14 is glass, the position of conveniently observing sealing plug 20 reads out the numerical value, the surface of sleeve 14 is provided with scale mark 15 and the interior volume of sleeve 14 is 100ML, the material of gas guide port 12 is PVC, the leakproofness is better, be difficult to leak gas.
The working principle is as follows: firstly, the measuring instrument is electrified, then the gas valve 6 is opened, the handle 21 is pulled to extract a certain mass of air in the sleeve 14, then the sleeve 14 is connected to the gas guide port 12 through the gas pipe 16, the handle 21 is pushed to compress the volume of the air in the sleeve 14, and the accurate numerical value can be obtained through calculation processing and repeated measurement of the change of the volume in the sleeve 14 and the change of the numerical value of the nixie tube 5.
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 (7)
1. Gaseous isothermal change experiment appearance of digital, including bottom plate (1), its characterized in that: the gas valve is characterized in that a mounting plate (2) is fixedly connected to the left side of the top of the bottom plate (1), the top of the mounting plate (2) is connected with a shell (3) through a first screw (4) in a threaded manner, a nixie tube (5) is arranged at the front end of the shell (3), an IC circuit (8) is fixedly connected to the left side of the top of the mounting plate (2) through a second screw (9), a pressure sensor (7) is fixedly connected to the right side of the top of the mounting plate (2), a gas valve (6) is fixedly connected to the top of the shell (3), a first gas guide tube (10) is fixedly connected to the left side of the gas valve (6), the other end of the first gas guide tube (10) penetrates through the right side of the shell (3) and extends outwards, a gas guide port (12) is fixedly connected to the right side of the first gas guide tube (10), a second gas guide tube (11) is fixedly connected to the bottom of the gas valve (6), the bottom fixed connection of second air duct (11) is at the top of baroceptor (7), the top right side fixedly connected with mount pad (13) of bottom plate (1), be provided with sleeve (14) in mount pad (13), the bottom fixedly connected with gas-supply pipe (16) of sleeve (14), the top threaded connection of sleeve (14) has top cap (17), the inside sliding connection of sleeve (14) has sealing plug (20), the top fixedly connected with slide bar (19) of sealing plug (20).
2. The digital gas isothermal variation experimental instrument according to claim 1, wherein: the bottom of the gas valve (6) penetrates through the top of the shell (3) and extends downwards.
3. The digital gas isothermal variation experimental instrument according to claim 1, wherein: the top of the sliding rod (19) upwards penetrates through the top cover (17) and upwards extends, and the top of the sliding rod (19) is fixedly connected with a handle (21).
4. The digital gas isothermal variation experimental instrument according to claim 1, wherein: the top of the top cover (17) is provided with a limiting hole (18) corresponding to the sliding rod (19).
5. The digital gas isothermal variation experimental instrument according to claim 1, wherein: the sleeve (14) is made of glass.
6. The digital gas isothermal variation experimental instrument according to claim 1, wherein: the surface of the sleeve (14) is provided with scale marks (15) and the volume in the sleeve (14) is 100 ML.
7. The digital gas isothermal variation experimental instrument according to claim 1, wherein: the air guide port (12) is made of PVC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023043254.1U CN213874533U (en) | 2020-12-16 | 2020-12-16 | Digital gas isothermal change experimental instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023043254.1U CN213874533U (en) | 2020-12-16 | 2020-12-16 | Digital gas isothermal change experimental instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213874533U true CN213874533U (en) | 2021-08-03 |
Family
ID=77068776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023043254.1U Expired - Fee Related CN213874533U (en) | 2020-12-16 | 2020-12-16 | Digital gas isothermal change experimental instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213874533U (en) |
-
2020
- 2020-12-16 CN CN202023043254.1U patent/CN213874533U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210803 Termination date: 20211216 |