Rail type reflective liquid level gauge verification device
A technology of verification device and reflection device, which is applied in the direction of measuring device, test/calibration device, liquid/fluid solid measurement, etc., and can solve problems such as random error, measurement random error, and complicated measurement process
Active Publication Date: 2016-06-08
XINJIANG UYGUR AUTONOMOUS REGION INST OF MEASUREMENT & TESTING
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Problems solved by technology
There are many defects in this method. First, manual measurement will cause random errors, which will bring greater uncertainty to the measurement results; second, the movement of the reflector cannot be guaranteed to be parallel to the vertical direction of the tested liquid level gauge. It will also cause random errors in measurement; third, the measurement process is more complicated, labor-intensive, and lasts for a long time. Therefore, this original method of verifying reflective liquid level gauges needs to be improved and innovated urgently
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[0012] A rail-type reflective liquid level gauge verification device, such as figure 1 , figure 2 As shown, it includes a planar reflector 21 with a linear guide rail 3 extending along the plane, a mobile launcher 1 and a mobile reflector 2, such as figure 1 , figure 2 , image 3 As shown, the mobile launching device 1 is composed of a slide rail trolley 11, a vertical fixed plate 12, a loading platform 13, a laser range finder 14, a support column 131, a support column lifting device and a bracket 133, as figure 1 , figure 2 As shown, the mobile reflection device 2 is composed of a slide rail moving platform 22, a reflection plate 21 and a power drive device 23; as figure 2 , image 3 As shown, the first track wheel installed at the bottom of the slide rail trolley 11 is in motion with the guide rail 3 in a manner of reciprocating rolling along the length direction of the guide rail 3 and supports the slide rail trolley 11 and makes the slide rail trolley 11 accompan...
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The invention discloses a guide rail-type reflective liquid level gauge verification device, which comprises a guide rail, a mobile emitting device moving along the guide rail, a mobile reflective device moving along the guide rail, and a guide rail; The distance meter has the laser signal emitted by the laser range finder and the electromagnetic wave signal or ultrasonic signal emitted by the reflective liquid level gauge to be tested. Standard scale marks for the longitudinal length of the potentiometer. The reflective liquid level gauge to be tested and the laser range finder measure the distance values between them and the reflective plate, and the distance values measured by the reflective liquid level gauge to be tested and the laser range finder and the laser rangefinder are measured multiple times. The measurement accuracy error corresponding to different distances of the reflective liquid level gauge to be tested can be calculated correspondingly. The invention has high testing efficiency and strong practicability.
Description
technical field [0001] The invention belongs to the measuring equipment related to the verification of the measurement error of the reflection type liquid level gauge, in particular to the verification device of the guide rail type reflection type liquid level gauge. Background technique [0002] The measurement principle of the radar level gauge and the ultrasonic level gauge is the same, and they both use "transmission-reflection-reception" electromagnetic waves (radar waves) or ultrasonic waves to achieve the purpose of liquid level height measurement, so they are collectively referred to as reflective liquid level count. With the development of science and technology, liquid level gauges have gradually integrated modern scientific and technological means, and the traditional mechanical liquid level gauges have evolved into new types of liquid level gauges such as resistive, capacitive, and static pressure. Among them, the reflective level gauge is particularly prominent...
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IPC IPC(8): G01F25/00
Inventor 刘敦利穆军王顺利李晓宇陈文琳
Owner XINJIANG UYGUR AUTONOMOUS REGION INST OF MEASUREMENT & TESTING