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Experimental device for measuring fluid density by means of vibration method

A technology of fluid density and experimental equipment, which is applied in the direction of measuring equipment, specific gravity measurement, instruments, etc., can solve the problems of high overall cost, non-detachable, difficult maintenance, etc., and achieve small footprint, easy to use and maintain, and protect the experiment environmental effects

Inactive Publication Date: 2007-07-25
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the problem that in the existing experimental device for measuring fluid density by vibration method, the measuring tube containing the fluid cannot be separated from the vibration excitation circuit, vibration measurement circuit and signal analysis circuit, the structure is complicated, and the overall To solve the problems of high cost and difficult maintenance, provide an experimental device for measuring fluid density by vibration method that is independent of vibration excitation circuit, vibration measurement circuit and signal analysis circuit
[0004] The present invention has the following beneficial effects: 1. In the existing experimental device for measuring fluid density by means of vibration, the measuring tube used to hold the fluid is integrated with the vibration excitation circuit, vibration measurement circuit and signal analysis circuit, which cannot be disassembled , thus there are complex structures, high overall cost and difficult maintenance. The present invention overcomes the shortcomings and shortcomings of the above-mentioned experimental device for measuring fluid density, and combines the experimental device for measuring fluid density with vibration excitation circuit and vibration measurement circuit. And the signal analysis circuit is completely separated to become an independent experimental device. The experimental device has the advantages of simple structure, easy manufacture, installation, and convenient use and maintenance.

Method used

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  • Experimental device for measuring fluid density by means of vibration method
  • Experimental device for measuring fluid density by means of vibration method
  • Experimental device for measuring fluid density by means of vibration method

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specific Embodiment approach 1

[0006] Specific embodiment 1: This embodiment is described in conjunction with Fig. 1, Fig. 3, Fig. 5, Fig. 7, Fig. 9, Fig. 11, and Fig. 13. seat 4, funnel 5, valve 6, waste liquid container 7, and base 8; the lower end surface of the column 2 is fixedly connected with the upper end surface of the base 8, and the left end surface 2-1 of the column 2 is fixedly connected with two split pipes Seat 4, the through hole of the split pipe seat 4 is fixed with a measuring tube 1, the top of the measuring tube 1 is equipped with a funnel 5, the lower end of the measuring tube 1 is equipped with a valve 6, and the upper end of the base 8 opposite to the measuring tube 1 A waste liquid container 7 is placed on the end face, and a vibrating piece 3 is fixed on the tube wall of the measuring tube 1 .

specific Embodiment approach 2

[0007] Specific embodiment two: This embodiment is described in conjunction with Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, and Fig. 6. The split-type socket 4 of this embodiment includes a three-part socket 9; The tube base 9 is composed of a tube base base plate 9-1, a cover plate 9-2, and a mounting plate 9-3; a mounting plate 9- 3. The column 2 is fixedly connected with the base plate 9-1 and the mounting plate 9-3, the groove 9-1-1 on the left end surface of the base plate 9-1 and the groove 9 on the right end surface of the cover plate 9-2 -2-1 corresponds to form a through hole, and the cover plate 9-2 is fixedly connected with the base plate 9-1 of the tube base.

specific Embodiment approach 3

[0008] Specific embodiment 3: This embodiment is described in conjunction with Fig. 2. The difference between this embodiment and specific embodiment 2 is: the groove 9-1-1 on the left end surface of the base plate 9-1 of this embodiment is V-shaped Groove, the groove 9-2-1 on the right end face of the cover plate 9-2 is a V-shaped groove, and the V-shaped groove on the left end face of the base plate 9-1 is connected with the V-shaped groove on the right end face of the cover plate 9-2. Correspondingly form a diamond-shaped through hole. The two ends of the measuring tube 1 are tightly held in the rhombic through hole of the three-piece tube base 9, and the thickness of the mounting plate 9-3 is adjusted to make the axis of the rhomboid through hole of the split tube base 4 at both ends of the measuring tube 1, etc. high. Other components and connections are the same as those in the second embodiment.

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Abstract

The invention relates to a device for measuring the fluid density through vibrating method, which applies in the vibrational force experiment and scientific research experiment. The device comprises the following: the lower2-2 of the stud 2 is connected with the upper of the chassis8, the left2-1 of the stud is connected two splitting sockets 4, the through-hole of the socket is fitted the measuring tube1, the top of the tube is fitted the filter5, the lower of the tube is fitted the valve6, the discharge liquid container 7 is set on the chassis8 which face to the measuring tube1, and the tube wall of the tube1 is fitted vibrating reed 3. The device can be integrated with the common vibrations measuring and circuit analysis, which form a whole fluid density measuring system.

Description

Technical field: [0001] The invention relates to an experimental device for measuring fluid density used in vibration mechanics experiment and scientific research experiment, in particular to an experimental device for measuring fluid density by vibration method. Background technique: [0002] Use the vibration method to measure the natural frequency of the measuring tube containing the fluid, and then determine the density of the fluid. The information about this can be obtained from "Density Measurement Technology" edited by Lian Yuying (Machinery Industry Press, Beijing, 1st edition, May 1982) ) from the book. However, in the experimental device for measuring fluid density by vibration method introduced in the book, the measuring tube containing the fluid, the vibration excitation circuit, the vibration measurement circuit and the signal analysis circuit system are interrelated to form an inseparable overall system. The experimental device has the problems of complex str...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N9/24
Inventor 陈明严勇张秋华
Owner HARBIN INST OF TECH