CN101586976A - The level measurement mechanism of ultralow temperature liquid and level measuring method thereof - Google Patents
The level measurement mechanism of ultralow temperature liquid and level measuring method thereof Download PDFInfo
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- CN101586976A CN101586976A CNA2009100543365A CN200910054336A CN101586976A CN 101586976 A CN101586976 A CN 101586976A CN A2009100543365 A CNA2009100543365 A CN A2009100543365A CN 200910054336 A CN200910054336 A CN 200910054336A CN 101586976 A CN101586976 A CN 101586976A
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Abstract
The present invention relates to a kind of level measurement mechanism and method of ultralow temperature liquid, device comprises main body measurement section and grip part, main body measurement section side is provided with from the initial yardstick coding to the second end longitudinal extension of first end, main body measurement section side applies the ultralow temperature discoloration coating, ultralow temperature discoloration coating color at normal temperatures and the color under the ultralow temperature fluid temperature have difference, and the grip part is connected in main body measurement section the second end.Method comprise with the main body measurement section vertically be inserted into ultralow temperature liquid cool-bag bottom, keep the main body measurement section not rock continuing the very first time tend to calmness to ultralow temperature liquid from fluidized state, the scale of yardstick coding of the main body measurement section vertically being extracted, read the critical position of variable color of ultralow temperature discoloration coating is the level value.Adopt the level measurement mechanism and the method for this kind ultralow temperature liquid, simple in structure, safe and practical, to use efficient and conveniently, reliable and stable, the scope of application is extensive, has brought facility to research practice.
Description
Technical field
The present invention relates to the ultralow temperature fields of measurement, particularly ultralow temperature liquid levels depth survey technical field specifically is meant a kind of level measurement mechanism and level measuring method thereof of ultralow temperature liquid.
Background technology
Along with continuous progress in science and technology, all kinds of natural sciences are all flourish, and therein, the practicality of various experimental subjects is all very strong, and depend on various advanced persons' experimental facilities and specific experimental situation.
Special in the research laboratory and hospital relevant with physics, chemistry, biology etc., various complete experimental situations have all been set up, and need under ultra-low temperature surroundings, carry out for a lot of experiments, this has wherein just used ultralow temperature liquid, wherein modal is exactly to utilize the gas with normal temperature to carry out ultralow temperature liquefaction back formation liquid gas, this liquid gas can provide ultra-low temperature surroundings for various ultralow temperature experiments, very easy to use, thus bring great convenience for people's research practice.
But, amount for needed liquid gas in the various ultralow temperature experiment is different, this just needs to take comparatively accurately as required the ultralow temperature liquid of a constant volume, and because the actual container that holds ultralow temperature liquid often all is opaque, also be difficult to the amount of the ultralow temperature liquid in the Direct observation container simultaneously, and still there be not a kind of equipment and the method that can directly measure the level and the volume of this ultralow temperature liquid, whether the amount of knowing actually to be taken that therefore can't be very clear and definite meets the requirements, if it is too many, can cause waste, if very little, then in experimentation, can't satisfy the requirement that low temperature keeps, thereby may cause the undesirable even failure of experiment effect, bring very big obstacle thereby be engaged in scientific research to people.
In the prior art, american documentation literature US 6,712,996B2 disclose a kind of temperature color indicator, wherein utilize the change color under the different temperatures to carry out the indication of temperature, and its scope of application goes in the ultralow temperature liquid.
Summary of the invention
The objective of the invention is to have overcome above-mentioned shortcoming of the prior art, a kind of level that can accurately measure ultralow temperature liquid, simple in structure, safe and practical, convenient to use, stable and reliable working performance, the scope of application level measurement mechanism and the level measuring method thereof of ultralow temperature liquid comparatively widely are provided.
In order to realize above-mentioned purpose, the level measurement mechanism and the level measuring method thereof of ultralow temperature liquid of the present invention are as follows:
The level measurement mechanism of this ultralow temperature liquid, its principal feature are that this measurement mechanism comprises:
The main body measurement section, described main body measurement section side is provided with from the yardstick coding of the initial the second end longitudinal extension to this main body measurement section of the first end of this main body measurement section, and also be coated with the ultralow temperature discoloration coating on the side of this main body measurement section, this ultralow temperature discoloration coating color at normal temperatures and the color under the ultralow temperature fluid temperature have difference;
The grip part, described grip part is fixedly connected on the second end of described main body measurement section.
Main body measurement section in the level measurement mechanism of this ultralow temperature liquid is a main body yardstick sounding rod, and described yardstick coding extends along the longitudinal axis direction of this main body yardstick sounding rod from the initial the second end to this main body yardstick sounding rod of the first end of this main body yardstick sounding rod.
The xsect of the main body yardstick sounding rod in the level measurement mechanism of this ultralow temperature liquid can be triangle, rectangle, square, rhombus, trapezoidal or polygon, described yardstick coding is arranged at least one side of this main body yardstick sounding rod, and described ultralow temperature discoloration coating be arranged at this main body yardstick sounding rod at least one be not provided with on the side of yardstick coding.
It is circular, oval or semicircle that the xsect of the main body yardstick sounding rod in the level measurement mechanism of this ultralow temperature liquid also can be, described yardstick coding and ultralow temperature discoloration coating all are arranged on the side of this main body yardstick sounding rod and do not overlap each other.
Main body yardstick sounding rod in the level measurement mechanism of this ultralow temperature liquid is the bar that the little material of thermal capacity constitutes.
Main body yardstick sounding rod in the level measurement mechanism of this ultralow temperature liquid is wooden thin bar.
Grip part in the level measurement mechanism of this ultralow temperature liquid is adiabatic handgrip, and should the thermal insulation handgrip along the longitudinal extension of described main body measurement section.
Ultralow temperature liquid in the level measurement mechanism of this ultralow temperature liquid is the ultralow temperature liquid gas.
Ultralow temperature liquid gas in the level measurement mechanism of this ultralow temperature liquid is liquid nitrogen or liquid helium.
This uses above-mentioned device to realize the method that the level of ultralow temperature liquid is measured, and its principal feature is that described method may further comprise the steps:
(1) holds described grip part, described main body measurement section vertically is inserted into fast the bottom of the cool-bag that holds this ultralow temperature liquid from the liquid level of ultralow temperature liquid;
(2) hold described grip part, and keep described main body measurement section not rock the lasting very first time, tranquil until ultralow temperature liquid from the fluidized state trend;
(3) hold described grip part, the main body measurement section is vertically extracted in the described cool-bag that holds this ultralow temperature liquid fast;
(4) read the scale value of yardstick coding at the critical position of variable color of the ultralow temperature discoloration coating on this main body measurement section, it is the level value of ultralow temperature liquid.
The very first time in the method that the level of this realization ultralow temperature liquid is measured is a five seconds.
The level measurement mechanism and the level measuring method thereof of the ultralow temperature liquid of this invention have been adopted, owing to wherein utilize yardstick coding and ultralow temperature discoloration coating be set on main body measurement section side, in use, the user at first vertically inserts the main body measurement section bottom of the liquid level of ultralow temperature liquid until its liquid gas cool-bag fast, grasping adiabatic handgrip does not simultaneously rock until the liquid level of this ultralow temperature liquid from fluidized state trend tranquil (approximately five seconds), vertically in the cool-bag that holds this ultralow temperature liquid, extract fast with being about to the main body measurement section, variable color promptly can take place in the ultralow temperature discoloration coating on the main body measurement section, and the pairing scale value in critical position of corresponding variable color is exactly the level of ultralow temperature liquid; If subsequently the main body measurement section of variable color is at room temperature placed a period of time simultaneously, the coating of variable color will revert to primary colors, thereby this measurement mechanism can be reused, it not only can accurately measure the level of ultralow temperature liquid, thereby calculate its volume easily, and convenience simple in structure, safe and practical, use efficient and convenient, stable and reliable working performance, be applicable to the cool-bag of various types of ultralow temperature liquid, the scope of application is comparatively extensive, for hospital and and physics, chemistry, relevant research laboratory such as biology carries out scientific experiment provides sound assurance, brings great convenience for people's research practice.
Description of drawings
Fig. 1 is the structural representation of the level measurement mechanism of ultralow temperature liquid of the present invention.
The synoptic diagram that Fig. 2 measures for the level that uses measurement mechanism of the present invention to carry out ultralow temperature liquid.
Embodiment
In order more to be expressly understood technology contents of the present invention, describe in detail especially exemplified by following examples.
See also shown in Figure 1, the level measurement mechanism of this ultralow temperature liquid (be mainly liquid nitrogen or liquid helium, can certainly be applicable to other ultralow temperature liquid), comprising:
(1) the main body measurement section 1, described main body measurement section 1 side is provided with from the yardstick coding 3 of initial the second end 12 longitudinal extensions to this main body measurement section 1 of the first end 11 of this main body measurement section 1, and also be coated with ultralow temperature discoloration coating 4 on the side of this main body measurement section 1, this ultralow temperature discoloration coating 4 color at normal temperatures and the color under the ultralow temperature fluid temperature have difference; Moreover, this ultralow temperature discoloration coating 4 under ultra-low temperature surroundings generally through can variable color about 5 seconds, return to normal temperature under then after, then through can its true qualities of recovery after about 60 seconds time;
(2) grip part 2, and described grip part 2 is fixedly connected on the second end 12 of described main body measurement section 1, and in the specific embodiment of the present invention, this grip part 2 is adiabatic handgrip 2, and should thermal insulation handgrip 2 along the longitudinal extension of described main body measurement section 1.
Wherein, this main body measurement section 1 is a main body yardstick sounding rod 1, and described yardstick coding 3 extends along the longitudinal axis direction of this main body yardstick sounding rod 1 from the first end 11 initial the second ends 12 to this main body yardstick sounding rod 1 of this main body yardstick sounding rod 1; The xsect of this main body yardstick sounding rod 1 can be triangle, rectangle, square, rhombus, trapezoidal or polygon, described yardstick coding 3 is arranged at least one side of this main body yardstick sounding rod 1, and described ultralow temperature discoloration coating 4 be arranged at this main body yardstick sounding rod 1 at least one be not provided with on the side of yardstick coding; Perhaps the xsect of this main body yardstick sounding rod 1 also can be circular, oval or semicircle, and described yardstick coding 3 and ultralow temperature discoloration coating 4 all are arranged on the side of this main body yardstick sounding rod 1 and do not overlap each other.Thereby the scale value of the pairing yardstick coding 3 in the critical position of the variable color of finding out ultralow temperature discoloration coating 4 that can be more prone to.
Simultaneously, this main body yardstick sounding rod 1 is the bar that the little material of thermal capacity constitutes, and in the specific embodiment of the present invention, this main body yardstick sounding rod 1 is wooden thin bar.
Moreover, in the present invention, described ultralow temperature liquid is generally the ultralow temperature liquid gas, and this ultralow temperature liquid normally obtains after the liquid state by becoming after the gas under the normal temperature is handled through ultralow temperature.
See also shown in Figure 2ly again, this uses above-mentioned device to realize the method that the level of ultralow temperature liquid is measured, comprising following steps:
(1) holds described grip part 2, described main body measurement section 1 vertically is inserted into fast the bottom 51 of the cool-bag 5 that holds this ultralow temperature liquid 6 from the liquid level of ultralow temperature liquid 6;
(2) hold described grip part 2, and keep described main body measurement section 1 not rock the lasting very first time, tranquil from the fluidized state trend until ultralow temperature liquid 6, this very first time is a five seconds;
(3) hold described grip part 2, main body measurement section 1 is vertically extracted in the described cool-bag 5 that holds this ultralow temperature liquid 6 fast;
(4) read the scale value of yardstick coding 3 at the critical position of variable color of the ultralow temperature discoloration coating 4 on this main body measurement section 1, it is the level value of ultralow temperature liquid 6.
In the middle of reality was used, the measurement mechanism of the level of this ultralow temperature liquid 6 involved in the present invention (being generally liquid gas, for example liquid nitrogen or liquid helium) comprised main body yardstick sounding rod 1, yardstick coding 3, ultralow temperature discoloration coating 4 and adiabatic handgrip 2 compositions.
In order to reduce the thermal capacity of measurement mechanism main body yardstick sounding rod 1 itself as far as possible, promptly reduce main body yardstick sounding rod 1 as far as possible and make its boiling and liquid fluctuating from the liquid gas liquid level that normal temperature directly inserts under the ultralow temperature, so its measurement mechanism main body yardstick sounding rod 1 itself may to select it for use be that trihedral or its are tetrahedral wooden thin bar, yardstick coding 3 can indicate that directly at wooden thin bar trihedral or its be tetrahedron one side at least wherein by the selection standard size, size is begun from arranging to big order by little by an end of the main body yardstick sounding rod 1 of measurement mechanism, the discoloration coating 4 of ultralow temperature at least just spreads upon wooden thin bar trihedral or it does not wherein have on the face of yardstick coding 3 at least for tetrahedron, adiabatic 2 of handgrips are arranged at the other end of the main body yardstick sounding rod 1 of measurement mechanism, the i.e. bigger end of the scale value of yardstick coding 3.
Simultaneously, the method of the level of the realization ultralow temperature liquid that the present invention is designed, comprise that the user pinches adiabatic handgrip 2 with finger main body yardstick sounding rod 1 is vertically inserted the bottom 51 of liquid gas liquid level until its liquid gas cool-bag 5 fast, grasping adiabatic handgrip 2 does not rock until the liquid gas liquid level from fluidized state trend tranquil (approximately five seconds), vertically in the liquid gas cool-bag, extract fast with being about to main body yardstick sounding rod 1, discoloration coating 4 variable colors of ultralow temperature on the main body yardstick sounding rod 1, and be to become green in the present embodiment, the scale value of the pairing yardstick coding 3 of its variable color part is exactly the degree of depth of liquid gas liquid level.
If after this main body yardstick sounding rod 1 of variable color is at room temperature placed a period of time (as about 60 seconds), then the discoloration coating under the ultralow temperature 4 will become primary colors, be colour of loess primary colors in the present embodiment, thereby make main body yardstick sounding rod 1 can realize reusing.
The level measurement mechanism and the level measuring method thereof of above-mentioned ultralow temperature liquid have been adopted, owing to wherein utilize yardstick coding and ultralow temperature discoloration coating be set on main body measurement section side, in use, the user at first vertically inserts the main body measurement section bottom of the liquid level of ultralow temperature liquid until its liquid gas cool-bag fast, grasping adiabatic handgrip does not simultaneously rock until the liquid level of this ultralow temperature liquid from fluidized state trend tranquil (approximately five seconds), vertically in the cool-bag that holds this ultralow temperature liquid, extract fast with being about to the main body measurement section, variable color promptly can take place in the ultralow temperature discoloration coating on the main body measurement section, and the pairing scale value in critical position of corresponding variable color is exactly the level of ultralow temperature liquid; If subsequently the main body measurement section of variable color is at room temperature placed a period of time simultaneously, the coating of variable color will revert to primary colors, thereby this measurement mechanism can be reused, it not only can accurately measure the level of ultralow temperature liquid, thereby calculate its volume easily, and convenience simple in structure, safe and practical, use efficient and convenient, stable and reliable working performance, be applicable to the cool-bag of various types of ultralow temperature liquid, the scope of application is comparatively extensive, for hospital and and physics, chemistry, relevant research laboratory such as biology carries out scientific experiment provides sound assurance, brings great convenience for people's research practice.
In this instructions, the present invention is described with reference to its certain embodiments.But, still can make various modifications and conversion obviously and not deviate from the spirit and scope of the present invention.Therefore, instructions and accompanying drawing are regarded in an illustrative, rather than a restrictive.
Claims (11)
1, a kind of level measurement mechanism of ultralow temperature liquid is characterized in that, this measurement mechanism comprises:
The main body measurement section, described main body measurement section side is provided with from the yardstick coding of the initial the second end longitudinal extension to this main body measurement section of the first end of this main body measurement section, and also be coated with the ultralow temperature discoloration coating on the side of this main body measurement section, this ultralow temperature discoloration coating color at normal temperatures and the color under the ultralow temperature fluid temperature have difference;
The grip part, described grip part is fixedly connected on the second end of described main body measurement section.
2, the level measurement mechanism of ultralow temperature liquid according to claim 1, it is characterized in that, described main body measurement section is a main body yardstick sounding rod, and described yardstick coding extends along the longitudinal axis direction of this main body yardstick sounding rod from the initial the second end to this main body yardstick sounding rod of the first end of this main body yardstick sounding rod.
3, the level measurement mechanism of ultralow temperature liquid according to claim 2, it is characterized in that, the xsect of described main body yardstick sounding rod is triangle, rectangle, square, rhombus, trapezoidal or polygon, described yardstick coding is arranged at least one side of this main body yardstick sounding rod, and described ultralow temperature discoloration coating be arranged at this main body yardstick sounding rod at least one be not provided with on the side of yardstick coding.
4, the level measurement mechanism of ultralow temperature liquid according to claim 2, it is characterized in that, the xsect of described main body yardstick sounding rod is circular, oval or semicircle, and described yardstick coding and ultralow temperature discoloration coating all are arranged on the side of this main body yardstick sounding rod and do not overlap each other.
According to the level measurement mechanism of each described ultralow temperature liquid in the claim 2 to 4, it is characterized in that 5, described main body yardstick sounding rod is the bar that the little material of thermal capacity constitutes.
6, the level measurement mechanism of ultralow temperature liquid according to claim 5 is characterized in that, described main body yardstick sounding rod is wooden thin bar.
According to the level measurement mechanism of each described ultralow temperature liquid in the claim 1 to 4, it is characterized in that 7, described grip part is adiabatic handgrip, and should the thermal insulation handgrip along the longitudinal extension of described main body measurement section.
According to the level measurement mechanism of each described ultralow temperature liquid in the claim 1 to 4, it is characterized in that 8, described ultralow temperature liquid is the ultralow temperature liquid gas.
9, the level measurement mechanism of ultralow temperature liquid according to claim 8 is characterized in that, described ultralow temperature liquid gas is liquid nitrogen or liquid helium.
10, a kind of method of using the described device of claim 1 to realize the level measurement of ultralow temperature liquid is characterized in that described method may further comprise the steps:
(1) holds described grip part, described main body measurement section vertically is inserted into fast the bottom of the cool-bag that holds this ultralow temperature liquid from the liquid level of ultralow temperature liquid;
(2) hold described grip part, and keep described main body measurement section not rock the lasting very first time, tranquil until ultralow temperature liquid from the fluidized state trend;
(3) hold described grip part, the main body measurement section is vertically extracted in the described cool-bag that holds this ultralow temperature liquid fast;
(4) read the scale value of yardstick coding at the critical position of variable color of the ultralow temperature discoloration coating on this main body measurement section, it is the level value of ultralow temperature liquid.
11, the method for the level of realization ultralow temperature liquid according to claim 10 measurement is characterized in that the described very first time is a five seconds.
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| CNA2009100543365A CN101586976A (en) | 2009-07-03 | 2009-07-03 | The level measurement mechanism of ultralow temperature liquid and level measuring method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101813505A (en) * | 2010-04-28 | 2010-08-25 | 夏耀民 | Liquid helium level gauge and use method thereof |
| CN109444019A (en) * | 2018-11-19 | 2019-03-08 | 浙江海洋大学 | A kind of tilting water seal petroleum cave depot bottom deposit greasy filth transported simulation device |
| KR102429555B1 (en) * | 2021-07-22 | 2022-08-04 | 엔에이치네트웍스 주식회사 | Scale rod for measuring water level and system including the same |
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2009
- 2009-07-03 CN CNA2009100543365A patent/CN101586976A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101813505A (en) * | 2010-04-28 | 2010-08-25 | 夏耀民 | Liquid helium level gauge and use method thereof |
| CN109444019A (en) * | 2018-11-19 | 2019-03-08 | 浙江海洋大学 | A kind of tilting water seal petroleum cave depot bottom deposit greasy filth transported simulation device |
| CN109444019B (en) * | 2018-11-19 | 2021-09-17 | 浙江海洋大学 | Inclined water-sealed oil-sludge migration simulation device for bottom deposition of petroleum cavern |
| KR102429555B1 (en) * | 2021-07-22 | 2022-08-04 | 엔에이치네트웍스 주식회사 | Scale rod for measuring water level and system including the same |
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