CN212109829U - A measuring device for frozen thickness of water in laboratory - Google Patents
A measuring device for frozen thickness of water in laboratory Download PDFInfo
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- CN212109829U CN212109829U CN202020951090.3U CN202020951090U CN212109829U CN 212109829 U CN212109829 U CN 212109829U CN 202020951090 U CN202020951090 U CN 202020951090U CN 212109829 U CN212109829 U CN 212109829U
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Abstract
The utility model discloses a measuring device for be used for frozen thickness of water in laboratory, include: resistance wire, electric wire, battery, switch, stop bar, weight body and measuring scale; the resistance wire and the battery form a closed circuit loop through an electric wire, and the switch is arranged in the closed circuit loop; the electric wire is provided with an upper and a lower measuring datum points, the stop strip is positioned at the lower measuring datum point, and the pendant body is connected to the electric wire at the lower end of the resistance wire. The device melts a small amount of ice around the resistance wire through heating for the resistance wire and reaches the purpose of measuring ice lid thickness, the real-time change of ice lid thickness in measurable quantity laboratory, and measurement accuracy, easy operation, economy are easily used, can popularize to the observation of river, lake and reservoir ice lid thickness under the natural condition.
Description
Technical Field
The utility model relates to a measure technical field, concretely relates to a measuring device that is used for frozen thickness of water in laboratory.
Background
The water body icing problem is mainly researched by field experiments and indoor experiments, and the problem of measuring the thickness of the ice cover of the water body is solved no matter the research is carried out on the field or the indoor. The measurement method is various, for example, the thickness of the ice cover can be directly measured after the ice cover is damaged, in a natural situation, after the ice cover reaches a certain thickness, drilling holes are adopted for measurement, and the like, but the thickness of the ice cover is not too thick in an icing experiment in a laboratory, and if the ice cover is damaged for measurement every time, the experiment efficiency and the experiment result are influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a measuring device for be used for the frozen thickness of water in laboratory to solve how high-efficient, safe, measure the problem of the frozen thickness of water in laboratory simply.
The utility model discloses the technical scheme who adopts does: a measuring device for measuring the icing thickness of a water body in a laboratory comprises: a resistance wire 1 for melting ice bodies, an electric wire 2 which forms circuit connection and is used as a measuring auxiliary wire, a battery 3 for providing electric quantity for the resistance wire 1, a switch 4 for controlling the on-off of the circuit, a baffle strip 5 which is close to the lower surface of an ice cover during measurement, a falling body 6 for enabling the resistance wire 1 and the electric wire 2 to be in a vertical state in the vertical direction, and a measuring scale 7 for measuring the thickness of ice; the resistance wire 1 and the battery 3 form a closed circuit loop through the wire 2, and the switch 4 is arranged in the closed circuit loop; an upper measuring reference point 2111 is arranged on the wire 2 at the upper end of the resistance wire 1, a lower measuring reference point 221 is arranged on the wire 2 at the lower end of the resistance wire 1, the stop strip 5 is positioned at the lower measuring reference point 221, and the pendant body 6 is connected to the wire 2 at the lower end of the resistance wire 1.
Further, the electric wire 2 comprises an electric wire I21 and an electric wire II 22, and the resistance wire 1 is provided with an upper end part 11 exposed out of the water surface or the ice surface and a lower end part 12 positioned below the water surface or the ice surface; the upper end part 11 of the resistance wire 1 is connected with one end of the battery 3 through a wire I21, and the lower end part 12 of the resistance wire 1 is connected with the other end of the battery 3 through a wire II 22.
Further, the upper measurement reference point 211 is located on the electric wire i 21, and the lower measurement reference point 221 is located on the electric wire ii 22; the upper and lower measurement reference points 211 and 221 are perpendicular to the water or ice surface.
Further, the measuring scale 7 is a ruler.
Further, the measuring ruler 7 comprises a main ruler 71 and a secondary ruler 72, the secondary ruler 72 is perpendicular to the main ruler 71, and the secondary ruler 72 has a sliding end 721 and a measuring end 722.
Further, the cross-sectional shape of the stop strip 5 is linear or T-shaped.
Compared with the prior art, the utility model discloses following beneficial effect has: the device can measure the real-time change of the thickness of the ice cover in a laboratory, is accurate in measurement and simple in operation, ensures the safety of personnel and is economical in manufacturing cost. The device can measure the thickness of the ice cover in real time when simulating the freezing of water bodies of rivers and reservoirs in a laboratory, and can be popularized to the observation of the thickness of the ice cover of rivers, lakes and reservoirs under natural conditions.
Drawings
Fig. 1 is a schematic structural view of a measuring apparatus according to embodiment 1.
Fig. 2 is a schematic structural view of a measuring apparatus according to embodiment 2.
Fig. 3 is a schematic structural view of the measuring scale of embodiment 2.
In the figure: 1-resistance wire; 2-wire, 21-wire i, 211-upper measurement reference point, 22-wire ii, 221-lower measurement reference point; 3-a battery; 4-a switch; 5-a stop bar; 6-weight body; 7-measuring ruler, 71-main ruler, 72-auxiliary ruler, 721-sliding end and 722-measuring end.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in figure 1 and figure 2, the utility model provides a measuring device for water thickness that freezes in laboratory, including resistance wire 1, electric wire 2, battery 3, switch 4, shelves strip 5, weight body 6, dipperstick 7. The resistance wire 1 and the battery 3 form a closed circuit loop through the electric wire 2; the resistance wire 1 melts the tiny ice body near the resistance wire 1 through heating after being electrified, so that the thickness of the ice cover is conveniently measured. The resistance wire 1 is provided with an upper end part 11 exposed out of the water surface or the ice surface and a lower end part 12 positioned below the water surface or the ice surface, the upper end part 11 of the resistance wire 1 is connected with one end of the battery 3 through a wire I21, and the lower end part 12 of the resistance wire 1 is connected with the other end of the battery 3 through a wire II 22; the battery 3 supplies electricity to the resistance wire 1. The switch 4 is arranged in the closed circuit loop and used for controlling the on-off of the circuit. An upper measurement datum point 211 is arranged on the electric wire I21, and a lower measurement datum point 221 is arranged on the electric wire II 22; the upper measurement reference point 211 and the lower measurement reference point 221 are perpendicular to the water surface or the ice surface; the electric wire can be connected with the battery 3, the switch and the resistance wire 4 1 on one hand, and can be used as an auxiliary wire for measuring the thickness of the ice cover on the other hand. The upper measurement reference point 211 and the lower measurement reference point 221 are used for assisting in measuring the thickness of the ice cover; the stop strip 5 is arranged at the lower measurement reference point 221 and is close to the lower surface of the ice cover during measurement; the pendant body 6 is connected to a wire at the lower end of the resistance wire 1 and used for enabling the wire 2 and the resistance wire 1 to be in a vertical state in a vertical direction, and measurement is facilitated.
In example 1, the measuring ruler 7 is a separate ruler, and the stop bars 5 are linear structures, as shown in fig. 1. The method of measurement by the measuring apparatus of the present embodiment is as follows:
(1) and selecting the electric wire I and the electric wire II with proper lengths according to the scale of the icing experiment in the laboratory. The resistance wire 1, the battery 3 and the switch 4 are connected by an electric wire I21 and an electric wire II 22, and the switch 4 is turned on to check whether the electricity is supplied.
(2) The upper and lower measuring reference points of the resistance wire are determined, the upper measuring reference point 211 is determined on the wire I21, the lower measuring reference point 221 is determined on the wire II 22, and the length L0 between the upper and lower measuring reference points is measured by a ruler.
(3) Fixing the stop strip 5 on the lower measuring datum point; the pendant body 6 is arranged below the lower measuring datum point stop bar; by selecting the proper electric wire 2, the resistance wire 1 and the pendant body 6, the vertical bending-free between the upper measurement reference point 211 and the lower measurement reference point 221 is ensured, and the length between the upper measurement reference point 211 and the lower measurement reference point 221 is not changed.
(4) The parts of the resistance wire 1 to the pendant body 6 are placed under water, the upper end of the resistance wire is exposed out of the water surface by about 1cm, and therefore the resistance wire 1 is provided with an upper end part 11 exposed out of the water surface and a lower end part 12 positioned below the water surface.
(5) According to the growing thickness of the ice cover, the switch 4 is turned on, and the resistance wire is heated. When the ice around the resistance wire is melted, the switch 4 is immediately turned off, the upper measuring reference point 211 is appropriately lifted, the barrier strip 5 at the lower measuring reference point 221 is attached to the lower surface of the ice cover, and the length Li between the upper measuring reference point 211 and the upper surface of the ice cover is measured by using a ruler; ice lid thickness = L0-Li was calculated and recorded.
In embodiment 2, the measuring scale 7 is disposed between the upper measuring reference point 211 and the lower measuring reference point 221, and the cross section of the stop bar 5 has a "T" shape, as shown in fig. 2. Measuring scale 7 comprises a main scale 71 and a secondary scale 72, the secondary scale 72 being of transparent rubber material, the secondary scale 72 having a sliding end 721 and a measuring end 722, as shown in fig. 3. The method of measurement by the measuring apparatus of the present embodiment is as follows:
(1) and selecting the electric wire I and the electric wire II with proper lengths according to the scale of the icing experiment in the laboratory. The resistance wire 1, the battery 3 and the switch 4 are connected by an electric wire I21 and an electric wire II 22, and the switch 4 is turned on to check whether the electricity is supplied.
(2) Determining measuring reference points above and below the resistance wire, determining an upper measuring reference point 211 on the wire I21, and determining a lower measuring reference point 221 on the wire II 22; a suitable size of the measuring scale 7 is selected and the measuring scale 7 is positioned between the upper measuring reference point 211 and the lower measuring reference point 221 such that the zero scale end of the main scale 71 of the measuring scale 7 is located at the lower measuring reference point 221.
(3) Fixing the stop strip 5 on the lower measuring datum point; the pendant 6 is installed just below the stop 5.
(4) Placing the parts of the resistance wire 1 and the weight body 6 under water, wherein the upper end of the resistance wire is exposed out of the water surface by about 1cm, so that the resistance wire 1 is provided with an upper end part 11 exposed out of the water surface and a lower end part 12 positioned below the water surface; the adjusting pendant body 6 and one end of the stop bar 5 extending downwards are in the same straight line.
(5) According to the growing thickness of the ice cover, the switch 4 is turned on, and the resistance wire is heated. It is noted here that the ice cannot be heated for a long time, the switch 4 is turned off immediately after the ice around the resistance wire melts, the upper measuring reference point 211 is lifted up moderately, the stop strip 5 at the lower measuring reference point 221 is attached to the lower surface of the ice cover, the main ruler 71 of the measuring ruler 7 is ensured to be perpendicular to the ice cover, then the sliding end 721 of the auxiliary ruler 72 is adjusted downwards, the measuring end 722 is attached to the upper surface of the ice cover, and the scale of the main ruler 71 is read out as the thickness of the ice cover and recorded.
Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.
Claims (6)
1. The utility model provides a measuring device that is used for frozen thickness of water in laboratory which characterized in that: the measuring device includes: the ice melting device comprises a resistance wire (1) for melting an ice body, an electric wire (2) which is connected with a circuit and serves as a measuring auxiliary line, a battery (3) for providing electric quantity for the resistance wire (1), a switch (4) for controlling the on-off of the circuit, a baffle bar (5) which is close to the lower surface of an ice cover during measurement, a weight body (6) which enables the resistance wire (1) and the electric wire (2) to be in a vertical state in the vertical direction, and a measuring scale (7) for measuring the thickness of ice; the resistance wire (1) and the battery (3) form a closed circuit loop through the electric wire (2), and the switch (4) is arranged in the closed circuit loop; an upper measuring reference point (211) is arranged on the electric wire (2) at the upper end of the resistance wire (1), a lower measuring reference point (221) is arranged on the electric wire (2) at the lower end of the resistance wire (1), the stop strip (5) is located at the lower measuring reference point (221), and the pendant body (6) is connected to the electric wire (2) at the lower end of the resistance wire (1).
2. The device for measuring the icing thickness of the water body in the laboratory according to the claim 1, is characterized in that: the electric wire (2) comprises an electric wire I (21) and an electric wire II (22), and the resistance wire (1) is provided with an upper end part (11) exposed out of the water surface or the ice surface and a lower end part (12) positioned below the water surface or the ice surface; the upper end (11) of the resistance wire (1) is connected with one end of the battery (3) through a wire I (21), and the lower end (12) of the resistance wire (1) is connected with the other end of the battery (3) through a wire II (22).
3. The device for measuring the icing thickness of the water body in the laboratory according to the claim 2, is characterized in that: said upper measurement reference point (211) is located on said electric line I (21), said lower measurement reference point (221) is located on said electric line II (22); the upper measurement reference point (211) and the lower measurement reference point (221) are perpendicular to the water surface or the ice surface.
4. The device for measuring the icing thickness of the water body in the laboratory according to the claim 1, is characterized in that: the measuring scale (7) is a ruler.
5. The device for measuring the icing thickness of the water body in the laboratory according to the claim 1, is characterized in that: the measuring ruler (7) comprises a main ruler (71) and an auxiliary ruler (72), the auxiliary ruler (72) is perpendicular to the main ruler (71), and the auxiliary ruler (72) is provided with a sliding end (721) and a measuring end (722).
6. The device for measuring the icing thickness of the water body in the laboratory according to the claim 1, is characterized in that: the cross section of the stop strip (5) is linear or T-shaped.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020951090.3U CN212109829U (en) | 2020-05-29 | 2020-05-29 | A measuring device for frozen thickness of water in laboratory |
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| CN202020951090.3U CN212109829U (en) | 2020-05-29 | 2020-05-29 | A measuring device for frozen thickness of water in laboratory |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112735246A (en) * | 2020-12-29 | 2021-04-30 | 中国电建集团昆明勘测设计研究院有限公司 | Method for simulating ice cover growth and growth rate under still water condition |
| CN114225289A (en) * | 2021-12-17 | 2022-03-25 | 梅英亭 | Anti-freezing detection device for fire hydrant and fire water crane |
| CN115901841A (en) * | 2023-03-13 | 2023-04-04 | 中国电建集团昆明勘测设计研究院有限公司 | Method for simulating formation of arch bridge-shaped ice cover of reservoir and measuring overall form evolution |
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2020
- 2020-05-29 CN CN202020951090.3U patent/CN212109829U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112735246A (en) * | 2020-12-29 | 2021-04-30 | 中国电建集团昆明勘测设计研究院有限公司 | Method for simulating ice cover growth and growth rate under still water condition |
| CN114225289A (en) * | 2021-12-17 | 2022-03-25 | 梅英亭 | Anti-freezing detection device for fire hydrant and fire water crane |
| CN115901841A (en) * | 2023-03-13 | 2023-04-04 | 中国电建集团昆明勘测设计研究院有限公司 | Method for simulating formation of arch bridge-shaped ice cover of reservoir and measuring overall form evolution |
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