CN213148274U - Fluid system state stabilizing device - Google Patents
Fluid system state stabilizing device Download PDFInfo
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- CN213148274U CN213148274U CN202021197422.XU CN202021197422U CN213148274U CN 213148274 U CN213148274 U CN 213148274U CN 202021197422 U CN202021197422 U CN 202021197422U CN 213148274 U CN213148274 U CN 213148274U
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Abstract
The utility model provides a fluid system state stabilizing device, which comprises a measuring device, a temperature control medium storage device and an automatic adjusting device; wherein, measuring device includes surveying buret, temperature measuring device and pressure measurement device, and accuse temperature medium storage device is equipped with accuse temperature medium, and temperature measuring device is located and measures intraductally, and pressure measurement device one end inserts and measures intraductally, measures buret and inserts in the accuse temperature medium, and automatic regulating apparatus is located accuse temperature medium storage device bottom and/or surveys buret upper end. Wherein the utility model has the advantages that: the device solves the technical problems that the system has obvious temperature gradient and the temperature and the pressure of the system are obviously changed to influence or indirectly test the result due to the volatile characteristic of the temperature control medium in the prior art, and the pressure, the volume and the temperature of the system are constant.
Description
Technical Field
The invention relates to the field of measurement, in particular to a fluid system state stabilizing device.
Background
Due to the characteristics of the temperature control medium, when the temperature control medium is placed for a long time, the liquid can be volatilized continuously, so that an obvious temperature gradient exists in a system, and the temperature and the pressure of the system are changed obviously, so that the measurement accuracy and the measurement result are greatly influenced.
Disclosure of Invention
In order to solve the technical problem, the invention discloses a fluid system state stabilizing device, and the technical scheme of the invention is implemented as follows:
a fluid system state stabilizing device comprises a measuring device, a temperature control medium storage device and an automatic adjusting device; wherein, measuring device is including surveying buret, temperature measuring device and pressure measurement device, accuse temperature medium storage device is equipped with accuse temperature medium, temperature measurement device is located in the buret, pressure measurement device one end is inserted in the buret, it inserts to survey the buret in the accuse temperature medium, automatic regulating apparatus is located accuse temperature medium storage device bottom and/or survey buret upper end.
Preferably, a stepping module is arranged on the automatic adjusting device.
Preferably, a heat conducting sleeve is further included; the heat-conducting sleeve is sleeved on the measuring pipe, and one end of the heat-conducting sleeve is inserted into the temperature control medium.
Preferably, the temperature control medium is a low-temperature control medium.
Preferably, the temperature control medium is selected from one of liquid nitrogen, liquid argon, liquid helium, dry ice, liquid hydrogen or liquid oxygen.
Preferably, the pressure measuring device is connected in a sealing manner to the measuring tube.
Preferably, the heat conducting sleeve is a metal material.
Preferably, the material of the heat-conducting sleeve is selected from one of copper, aluminum and stainless steel.
Preferably, the measuring tube is provided with a joint.
By implementing the technical scheme of the invention, the technical problems that the obvious temperature gradient exists in the system due to the volatile characteristic of the temperature control medium, and the temperature and the pressure of the system are obviously changed to influence or indirectly influence the test result in the prior art can be solved; by implementing the technical scheme of the invention, the pressure in the measuring tube can be kept constant by moving the temperature control medium storage device upwards or downwards, so that the technical effect of keeping the system constant in temperature is achieved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only one embodiment of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
Fig. 1 is a schematic structural diagram of the present invention.
In the above drawings, the reference numerals denote:
1, measuring device
1-1, measuring tube 1-2, temperature measuring device 1-3, pressure measuring device 1-4, and joint
2, temperature control medium storage device
2-1, temperature control Medium
3, automatic regulating device
3-1, step by step module
4, heat conducting sleeve
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
In a specific embodiment, as shown in fig. 1, a fluid system state stabilization device comprises a measuring device 1, a temperature-controlled medium storage device 2 and an automatic adjusting device 3; wherein, the measuring device 1 comprises a measuring pipe 1-1, a temperature measuring device 1-2 and a pressure measuring device 1-3, the temperature control medium storage device 2 is filled with a temperature control medium 2-1, the temperature measuring device 1-2 is positioned in the measuring pipe 1-1, one end of the pressure measuring device 1-3 is inserted into the measuring pipe 1-1, the measuring pipe 1-1 is inserted into the temperature control medium 2-1, and the automatic regulating device 3 is positioned at the bottom of the temperature control medium storage device 2 and/or at the upper end of the measuring pipe 1-1.
In this embodiment, the bottom of the measuring tube 1-1 is determined to be at a proper position in the temperature control medium 2-1 by the temperature measuring device 1-2, for better test, the length of the measuring tube 1-1 immersed in the temperature control medium 2-1 is longer than the length exposed to room temperature, a stable pressure value is obtained by the pressure measuring device 1-3, when the temperature control medium 2-1 volatilizes, the length of the measuring tube 1-1 inserted into the temperature control medium 2-1 becomes smaller, the temperature and air pressure inside the measuring tube 1-1 will change, the pressure measuring device 1-3 inside the measuring tube 1-1 can monitor the pressure change inside the measuring tube 1-1 in real time to send a signal, the automatic regulating device 3 controls the temperature control medium storage device 2 to move up or the measuring tube 1-1 to move down, adjusting the relative height of the measuring tube 1-1 and the liquid level of the temperature control medium 2-1, adjusting the pressure to keep constant, and controlling the pressure and the volume of the system to be constant to realize the temperature constancy of the system, wherein the measuring tube 1-1 is internally provided with fluid which can be liquid or gas and is distributed in the measuring tube 1-1 in a gradient way, and the temperature measuring device 1-2 is arranged in the fluid to measure the temperature. The constant temperature is achieved by adjusting the position of the bottom temperature control medium storage device 2 or the position of the measuring tube 1-1 to ensure that the pressure in the measuring tube 1-1 is constant, and because the volume of the measuring tube 1-1 is constant, the constant temperature is achieved according to a gas state equation P V Z N R T, wherein Z is a compression factor of real gas, n is the amount of the substance in the gas, and R, T is constant. However, this temperature is not a specific value, but rather the temperature of the entire system of the measuring tube. In this embodiment, the innovation point is that when the temperature control medium 2-1 volatilizes, the position of the automatic adjusting device 3 is adjusted by the temperature measuring device 1-2, so as to ensure that the bottom of the measuring tube 1-1 can still be immersed in the temperature control medium 2-1 all the time. The embodiment can be used in the fields of low-temperature reaction and synthesis, instrument analysis technology (including a spectrometer (nuclear magnetic instrument), a spectrometer (infrared instrument), an X-ray diffractometer, an adsorption instrument (physical adsorption instrument, chemical adsorption instrument) and the like) and low-temperature superconducting experiment field and the like, and is simple in structure and convenient to use.
In a preferred embodiment, the automatic adjustment device 3 is provided with a stepping module 3-1.
In this embodiment, the automation program of this embodiment is optimized, and when the temperature-control medium 2-1 volatilizes, the stepping module 3-1 can automatically adjust the lifting temperature-control medium storage device 2 in combination with the pressure reading sensing change on the pressure measurement device 1-3, so as to control the automatic adjustment device 3 to reach the designated position, and control the lifting height of the temperature-control medium storage device 2 more accurately.
In a preferred embodiment, a heat conducting sleeve 4; the heat conducting sleeve 4 is sleeved on the measuring pipe 1-1, and one end of the heat conducting sleeve is inserted into the temperature control medium 2-1.
The heat conducting sleeve 4 is used for assisting in controlling the temperature of the system to be constant, one part of the heat conducting sleeve 4 is arranged under the temperature control medium 2-1, and the other part of the heat conducting sleeve 4 is arranged under the room temperature condition to maintain the temperature of the measuring pipe 1-1 to be constant.
In a preferred embodiment, the temperature-control medium 2-1 is a low-temperature-control medium. In the embodiment, the low-temperature control medium 2-1 can be adopted to realize the tests of sample adsorption performance measurement or other low-temperature reactions and the like, the low-temperature control medium 2-1 is easy to volatilize, and in order to ensure the accuracy of measurement data, the embodiment can well play the effect of constant temperature and accurate measurement.
In a preferred embodiment, the temperature control medium 2-1 is selected from one of liquid nitrogen, liquid argon, liquid helium, dry ice, liquid hydrogen, or liquid oxygen.
Some materials that can be used for the low temperature control medium are preferred in this embodiment, but the patent is not limited to these materials, and some materials having the same or similar properties to the materials are also within the scope of the patent.
In a preferred embodiment, the pressure measuring device 1-3 is connected in a sealed manner to the measuring tube 1-1.
The purpose of the sealing connection is to better enclose the measuring tube 1-1 and prevent gas leakage from affecting the measurement result.
In a preferred embodiment, the heat conducting sleeve 4 is a metallic material.
Most of the materials with metal heat conductivity can be applied to the manufacture of the heat conducting sleeve 4 in this embodiment, but this patent is not limited to metal materials, and it is within the scope of this patent that some non-metal materials have the same or similar properties as metal materials.
In a preferred embodiment, the material of the heat-conducting sleeve 4 is one selected from copper, aluminum or stainless steel.
These materials are well thermally conductive, readily available, inexpensive, corrosion resistant, and low temperature resistant, and may be well suited for use in this embodiment, and materials that are the same as or similar in performance to these materials are also within the scope of this patent.
In a preferred embodiment, the measuring tube 1-1 is provided with a joint 1-4.
The set joints 1-4 can be connected with an external device and can be used for carrying out various tests. So that the test is more convenient. The shape of the joint 1-4 is not fixed, and the joint can be adapted according to an external device.
By implementing the technical scheme of the invention, the technical problems that the obvious temperature gradient exists in the system due to the volatile characteristic of the temperature control medium, and the temperature and the pressure of the system are obviously changed to influence or indirectly influence the test result in the prior art can be solved; by implementing the technical scheme of the invention, the pressure in the measuring tube can be kept constant by moving the temperature control medium storage device upwards or downwards, so that the technical effect of keeping constant temperature is achieved.
It should be understood that the above-described embodiments are merely exemplary of the present invention, and are not intended to limit the present invention, and that any modification, equivalent replacement, or improvement made without departing from the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (9)
1. A fluid system condition stabilizing apparatus, comprising: comprises a measuring device, a temperature control medium storage device and an automatic adjusting device; wherein, measuring device is including surveying buret, temperature measuring device and pressure measurement device, accuse temperature medium storage device is equipped with accuse temperature medium, temperature measurement device is located in the buret, pressure measurement device one end is inserted in the buret, it inserts to survey the buret in the accuse temperature medium, automatic regulating apparatus is located accuse temperature medium storage device bottom and/or survey buret upper end.
2. The fluid system condition stabilizing apparatus according to claim 1, wherein: and the automatic adjusting device is provided with a stepping module.
3. The fluid system condition stabilizing apparatus according to claim 1, wherein: also includes a thermally conductive sleeve; the heat-conducting sleeve is sleeved on the measuring pipe, and one end of the heat-conducting sleeve is inserted into the temperature control medium.
4. The fluid system condition stabilizing apparatus according to claim 1, wherein: the temperature control medium is a low-temperature control medium.
5. The fluid system condition stabilizing apparatus according to claim 4, wherein: the temperature control medium is selected from one of liquid nitrogen, liquid argon, liquid helium, dry ice, liquid hydrogen or liquid oxygen.
6. The fluid system condition stabilizing apparatus according to claim 1, wherein: the pressure measuring device is connected with the measuring pipe in a sealing mode.
7. A fluid system condition stabilizing device according to claim 3, wherein: the heat conducting sleeve is made of metal materials.
8. The fluid system condition stabilizing apparatus according to claim 7, wherein: the heat-conducting sleeve is made of one of copper, aluminum or stainless steel.
9. The fluid system condition stabilizing apparatus according to claim 1, wherein: the measuring tube is provided with a joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021197422.XU CN213148274U (en) | 2020-06-24 | 2020-06-24 | Fluid system state stabilizing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021197422.XU CN213148274U (en) | 2020-06-24 | 2020-06-24 | Fluid system state stabilizing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213148274U true CN213148274U (en) | 2021-05-07 |
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|---|---|---|---|
| CN202021197422.XU Active CN213148274U (en) | 2020-06-24 | 2020-06-24 | Fluid system state stabilizing device |
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| CN (1) | CN213148274U (en) |
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2020
- 2020-06-24 CN CN202021197422.XU patent/CN213148274U/en active Active
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