CN216869819U - Liquid nitrogen temperature detection system - Google Patents
Liquid nitrogen temperature detection system Download PDFInfo
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- CN216869819U CN216869819U CN202220352396.6U CN202220352396U CN216869819U CN 216869819 U CN216869819 U CN 216869819U CN 202220352396 U CN202220352396 U CN 202220352396U CN 216869819 U CN216869819 U CN 216869819U
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- temperature detection
- storage tank
- linkage assembly
- inner cavity
- liquid nitrogen
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Abstract
The utility model provides a liquid nitrogen temperature detection system which comprises a storage tank, wherein a driving piece is fixedly arranged at the top of the storage tank, a first linkage assembly and a second linkage assembly are arranged in an inner cavity of the storage tank, and a temperature detection piece is connected to the bottom of the second linkage assembly. The liquid nitrogen detection device detects liquid nitrogen in the storage tank through the temperature detection piece, the temperature detection piece is driven to move up and down in the inner cavity of the storage tank through the first linkage assembly and the second linkage assembly when the driving piece operates, the temperature detection piece is driven to horizontally move in the inner cavity of the storage tank through the second linkage assembly in the up-and-down moving process of the temperature detection piece, so that the temperature detection piece can move up and down in the storage tank and can horizontally move, the temperature detection piece is movably arranged, can move up and down and can horizontally move, the detection range is wide, and the detection effect is good.
Description
Technical Field
The utility model relates to the field of liquid nitrogen temperature detection, in particular to a liquid nitrogen temperature detection system.
Background
Liquid nitrogen refers to liquid nitrogen. The liquid nitrogen is inert, colorless, odorless, non-corrosive, non-combustible and extremely low-temperature liquid, and a large amount of heat absorption contact during vaporization causes frostbite. Nitrogen constitutes the majority of the atmosphere (78.03% by volume, 75.5% by weight). At atmospheric pressure, the boiling point of nitrogen is-196.56 ℃, and 1 cubic meter of liquid nitrogen can expand to 696 cubic meters of pure gaseous nitrogen (21 ℃). If pressurized, liquid nitrogen can be obtained at higher temperatures. In industry, liquid nitrogen is obtained by air fractionation. Air is first purified and then liquefied in pressurized and cooled environment, and the components in the air are separated according to their different boiling points. Human skin is free of problems at the moment of direct contact with liquid nitrogen, and is frostbitten and irreversible in more than 2 seconds.
The prior art has the following defects: most of temperature detection devices in the prior art are fixedly installed in a liquid nitrogen storage device, and the temperature detection range is small, so that the limitation is large, and the detection effect is poor.
In view of the above, the inventor of the present application invented a liquid nitrogen temperature detection system.
SUMMERY OF THE UTILITY MODEL
The utility model provides a liquid nitrogen temperature detection system, and aims to solve the problem that most temperature detection devices in the prior art are fixedly arranged in a liquid nitrogen storage device, and the detection effect is poor due to small temperature detection range and large limitation.
In order to achieve the aim, the utility model provides the following technical scheme that the liquid nitrogen temperature detection system comprises a storage tank, wherein a driving piece is fixedly arranged at the top of the storage tank, a first linkage assembly and a second linkage assembly are arranged in an inner cavity of the storage tank, and a temperature detection piece is connected to the bottom of the second linkage assembly; the driving piece drives the temperature detection piece to move up and down in the inner cavity of the storage tank through the first linkage assembly and the second linkage assembly and move left and right;
the liquid nitrogen detection device detects liquid nitrogen in the storage tank through the temperature detection piece, the temperature detection piece is driven to move up and down in the inner cavity of the storage tank through the first linkage assembly and the second linkage assembly when the driving piece operates, the temperature detection piece is driven to horizontally move in the inner cavity of the storage tank through the second linkage assembly in the up-and-down moving process of the temperature detection piece, so that the temperature detection piece can move up and down in the storage tank and can horizontally move, the temperature detection piece is movably arranged, can move up and down and can horizontally move, the detection range is wide, and the detection effect is good.
Furthermore, the first linkage assembly comprises a fixed cavity connected to the top of the inner cavity of the storage tank, first lead screws rotatably connected to two sides of the inner cavity of the storage tank through a sealing rotating piece, a first transmission mechanism arranged in the inner cavity of the fixed cavity, and a sleeve part connected to the outer part of the first lead screw in a threaded manner, the second linkage assembly comprises a movable cavity arranged at the top of the inner cavity of the storage tank, a second lead screw rotatably connected to the inner cavity of the movable cavity through a rotating piece, a sliding block arranged in the inner cavity of the movable cavity, and a second transmission mechanism connected between the second lead screw and the bottom of the inner cavity of the storage tank, the movable cavity is connected between the sleeve parts, the sliding block is connected to the outer part of the second lead screw in a threaded manner, and the temperature detection part is connected to the bottom of the sliding block;
through adopting above-mentioned scheme, the driving piece will rotate through the first lead screw of first drive mechanism drive both sides in step when moving, because the equal threaded connection of two cover establishment of piece is outside at the first lead screw of corresponding position, will drive the cover establishment of both sides and activity chamber when the first lead screw of both sides rotates and move down simultaneously, drive second lead screw and temperature detection spare downstream when the activity chamber moves down, the second lead screw can realize rotating through second drive mechanism when moving down, because slider threaded connection is outside at the second lead screw, will drive slider and temperature detection spare horizontal migration when the second lead screw rotates.
Further, the first transmission mechanism is connected between the driving part and the first screw rod, and comprises a chain wheel connected between the bottom of the driving part and the top of the first screw rod and a chain connected between the chain wheels;
through adopting above-mentioned scheme, through sprocket, chain can realize synchronous drive between the first lead screw of driving piece output shaft and both sides, setting up of first drive mechanism can realize that two first lead screws of a driving piece drive rotate in step, compare in driving two first lead screws of equipment drive respectively and rotate through drive respectively, have resources are saved and the effect of practicing thrift the electric energy.
Furthermore, the second transmission mechanism comprises a gear connected to the outside of the second screw rod and a rack connected to one side of the bottom of the inner cavity of the storage tank, which corresponds to the gear, and the gear is meshed with the rack;
through adopting above-mentioned scheme, will drive second lead screw and gear downstream when the activity chamber moves down, because gear and rack mesh mutually, can realize rotatoryly under the effect of rack when the gear moves down to can drive the second lead screw through the gear and rotate, rotate when second drive mechanism's setting can realize the second lead screw downstream, be convenient for drive slider and temperature detection spare horizontal migration through pivoted second lead screw.
Compared with the prior art, the utility model has the beneficial effects that:
the liquid nitrogen detection device detects liquid nitrogen in the storage tank through the temperature detection piece, the temperature detection piece is driven to move up and down in the inner cavity of the storage tank through the first linkage assembly and the second linkage assembly when the driving piece operates, the temperature detection piece is driven to horizontally move in the inner cavity of the storage tank through the second linkage assembly in the up-and-down moving process of the temperature detection piece, so that the temperature detection piece can move up and down in the storage tank and can horizontally move, the temperature detection piece is movably arranged, can move up and down and can horizontally move, the detection range is wide, and the detection effect is good.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of a storage tank of the present invention;
FIG. 3 is a schematic illustration of the first linkage assembly and the second linkage assembly of the present invention in a disengaged position;
fig. 4 is a schematic view showing the temperature sensing member of the present invention moved downward and horizontally.
Description of the main elements
1. A storage tank; 2. a drive member; 3. a first linkage assembly; 31. a fixed cavity; 32. a first lead screw; 33. a first transmission mechanism; 331. a sprocket; 332. a chain; 34. sleeving a piece; 4. a second linkage assembly; 41. a movable cavity; 42. a second lead screw; 43. a slider; 44. a second transmission mechanism; 441. a gear; 442. a rack; 5. a temperature detection member.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without inventive efforts based on the embodiments of the present invention, are within the scope of protection of the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Example 1
As shown in fig. 1 to 4, in the present invention, liquid nitrogen in a storage tank 1 is detected by a temperature detector 5, a first linkage assembly 3 and a second linkage assembly 4 drive the temperature detector 5 to move up and down in an inner cavity of the storage tank 1 when a driving member 2 operates, and the temperature detector 5 is driven to move horizontally in the inner cavity of the storage tank 1 by the second linkage assembly 4 when the temperature detector 5 moves up and down, so that the temperature detector 5 can move up and down and move horizontally in the storage tank 1, and the temperature detector 5 is movable, can move up and down and move horizontally, has a wide detection range, and has a good detection effect.
Example 2
As shown in fig. 1 to 4, when the driving member 2 operates, the first lead screws 32 on both sides are driven to synchronously rotate by the first transmission mechanism 33, because the two sleeved pieces 34 are both screwed outside the first lead screws 32 at the corresponding positions, the first lead screws 32 on both sides drive the sleeved pieces 34 and the movable cavities 41 on both sides to simultaneously move downward when rotating, the movable cavities 41 drive the second lead screws 42 and the temperature detecting pieces 5 to move downward when moving downward, the second lead screws 42 can rotate by the second transmission mechanism 44 when moving downward, because the sliders 43 are screwed outside the second lead screws 42, the sliders 43 and the temperature detecting pieces 5 are driven to horizontally move left and right when the second lead screws 42 rotate.
The working principle is as follows: detect the liquid nitrogen in the holding vessel 1 through temperature detection spare 5, driving piece 2 moves up and down at 1 inner chamber of holding vessel through 3 drive temperature detection spares of first linkage subassembly 5 during operation, in-process reciprocates at temperature detection spare 5, drive temperature detection spare 5 at 1 inner chamber horizontal migration of holding vessel through 4 drive temperature detection spares of second linkage subassembly, thereby can realize temperature detection spare 5 and horizontal migration when reciprocating in holding vessel 1, set up temperature detection spare 5 to movable, can reciprocate and horizontal migration, detection range is wider, thereby detection effect is better.
The present invention is not limited to the above-described preferred embodiments, but various modifications and changes can be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The liquid nitrogen temperature detection system comprises a storage tank (1), and is characterized in that a driving piece (2) is fixedly arranged at the top of the storage tank (1), a first linkage assembly (3) and a second linkage assembly (4) are arranged in an inner cavity of the storage tank (1), and a temperature detection piece (5) is connected to the bottom of the second linkage assembly (4); the driving piece (2) drives the temperature detection piece (5) to move up and down in the inner cavity of the storage tank (1) through the first linkage assembly (3) and the second linkage assembly (4) and move left and right.
2. The liquid nitrogen temperature detection system according to claim 1, wherein the first linkage assembly (3) comprises a fixed cavity (31) connected to the top of the inner cavity of the storage tank (1), a first lead screw (32) rotatably connected to two sides of the inner cavity of the storage tank (1) through a sealing rotating member, a first transmission mechanism (33) arranged in the inner cavity of the fixed cavity (31), and a sleeve member (34) screwed outside the first lead screw (32).
3. The liquid nitrogen temperature detection system according to claim 2, wherein the first transmission mechanism (33) is connected between the driving member (2) and the first lead screw (32), and the first transmission mechanism (33) comprises a chain wheel (331) connected between the bottom of the driving member (2) and the top of the first lead screw (32), and a chain (332) connected between the chain wheel (331).
4. The liquid nitrogen temperature detection system according to claim 2, wherein the second linkage assembly comprises a movable cavity (41) arranged at the top of the inner cavity of the storage tank (1), a second lead screw (42) rotatably connected to the inner cavity of the movable cavity (41) through a rotating member, a sliding block (43) arranged at the inner cavity of the movable cavity (41), and a second transmission mechanism (44) connected between the second lead screw (42) and the bottom of the inner cavity of the storage tank (1), and the movable cavity (41) is connected between the sleeving members (34).
5. The liquid nitrogen temperature detection system according to claim 4, wherein the slide block (43) is connected to the outside of the second screw rod (42) in a threaded manner, and the temperature detection member (5) is connected to the bottom of the slide block (43).
6. The liquid nitrogen temperature detection system according to claim 4, wherein the second transmission mechanism (44) comprises a gear (441) connected to the outside of the second screw (42), and a rack (442) connected to the bottom of the inner cavity of the storage tank (1) on the side corresponding to the gear (441), wherein the gear (441) is meshed with the rack (442).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220352396.6U CN216869819U (en) | 2022-02-22 | 2022-02-22 | Liquid nitrogen temperature detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220352396.6U CN216869819U (en) | 2022-02-22 | 2022-02-22 | Liquid nitrogen temperature detection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216869819U true CN216869819U (en) | 2022-07-01 |
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ID=82154606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220352396.6U Active CN216869819U (en) | 2022-02-22 | 2022-02-22 | Liquid nitrogen temperature detection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216869819U (en) |
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2022
- 2022-02-22 CN CN202220352396.6U patent/CN216869819U/en active Active
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