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Sound velocity determining instrument with temperature indicator

A technology for thermometers and measuring instruments, which is applied in the direction of instruments, measuring devices, and measuring propagation speeds, etc., can solve problems such as theoretical calculation errors, and achieve the effects of simple structure, reduced errors, and low cost

Inactive Publication Date: 2012-06-27
JIANGNAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the large number of experimenters and the distribution of experimental instruments in different locations in the laboratory, the temperature in different locations in the room is different, and now only read the temperature value at one location, which brings errors to the theoretical calculation in the experiment

Method used

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  • Sound velocity determining instrument with temperature indicator
  • Sound velocity determining instrument with temperature indicator
  • Sound velocity determining instrument with temperature indicator

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Experimental program
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Embodiment Construction

[0009] Below in conjunction with accompanying drawing, the present invention is described in further detail:

[0010] Such as figure 1 , figure 2 As shown, the sound velocity measuring instrument with thermometer of the present invention includes two parts of sound velocity measuring instrument 6 and inverted L-shaped thermometer 4 . An inverted L-shaped groove 5 is arranged longitudinally on the inner side of the left bracket 1 of the sound velocity measuring instrument 6 and on the front side of the beam 3. The inverted L-shaped groove 5 is adapted to the inverted L-shaped thermometer 4. Inside the inverted L-shaped groove 5 An inverted L-shaped thermometer 4 embedded with a glass bulb 2 downward; the temperature measurement range of the inverted L-shaped thermometer 4 is -10 to +40 degrees Celsius. In this way, in the sound velocity measurement experiment, the read-out temperature value is the temperature value at the place where the experimental device is located, which...

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Abstract

The invention relates to a sound velocity determining instrument with a temperature indicator. The sound velocity determining instrument with the temperature indicator comprises two parts: a sound velocity determining instrument and a reverse L-shaped temperature indicator, wherein reverse L-shaped grooves are arranged in the transverse direction of the front side of a cross beam and in the longitudinal direction of the inner side of a left support frame of the sound velocity determining instrument, the reverse L-shaped grooves are matched with the reverse L-shaped temperature indicator, the reverse L-shaped temperature indicator with downward glass bubbles is embedded in the reverse L-shaped grooves, and the temperature measurement range of the reverse L-shaped temperature indicator is -10DEG C to 40DEG C. Therefore, in the sound velocity determining experiment, the read temperature value is the temperature value of an experiment device, and the theoretical calculation error in the experiment can be reduced.

Description

technical field [0001] The invention relates to a teaching experiment instrument, in particular to a sound velocity measuring instrument with a thermometer. Background technique [0002] In the sound velocity measurement experiment, students need to calculate the theoretical value of the sound velocity according to the indoor temperature in addition to measuring the experimental value of the sound velocity with the sound velocity measuring instrument. The current way to read the temperature is to hang a thermometer beside the blackboard and let the students read it by themselves. Due to the large number of experimenters and the distribution of experimental instruments in different locations in the laboratory, the temperature in different locations in the room is different. Now, the temperature value is only read at one location, which brings errors to the theoretical calculations in the experiment. Contents of the invention [0003] In view of the existing problems, the o...

Claims

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Application Information

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IPC IPC(8): G01H5/00G09B23/14
Inventor 王廷志蔡增艳
Owner JIANGNAN UNIV