Device and method for measuring cable diameter
A technology for measuring devices and cables, applied in the directions of measuring devices, optical devices, instruments, etc., can solve the problems such as the inability to eliminate the jitter of the cables and the inability to meet the measurement accuracy, so as to enhance the anti-interference ability, improve the accuracy, eliminate the effect of error
Active Publication Date: 2021-06-01
KUNMING UNIV OF SCI & TECH
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Problems solved by technology
However, TV camera measurement often cannot meet the measurement accuracy, there are large errors, and the influence of cable warp cannot be eliminated
Method used
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Embodiment 1
[0033] Embodiment 1: as Figure 1-3 As shown, a measuring device for cable wire diameter includes a lever, a fixed fulcrum, a measuring component, a clamping component, a control component, and a power supply;
[0034] The levers include lever I19 and lever II20;
[0035] The fixed fulcrum includes fixed fulcrum I2 and fixed fulcrum II7;
[0036]The measurement assembly includes a bridge circuit, and the bridge circuit includes a variable resistor R 1 , R 2 , R 3 , R 4 ;
[0037] The clamping assembly includes U-shaped bearing I14, U-shaped bearing II17, fixed rod I9, fixed rod II18, support arm I15, support arm II16, spring I10, spring II22, screw 11, shaft I12, shaft II21, smooth ring 13;
[0038] The control assembly includes a voltage acquisition device, a PC and a programmable controller;
[0039] The clamping assembly is divided into upper and lower parts. The upper and lower parts are supported by the support arm I15 and the support arm II16. The structure of th...
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The invention relates to a cable diameter measuring device and method, belonging to the technical field of cable diameter detection. The invention includes a lever, a fixed fulcrum, a measuring assembly, a clamping assembly, a control assembly, and a power supply; the lever includes a lever I and a lever II; the fixed fulcrum includes a fixed fulcrum I and a fixed fulcrum II; the measuring assembly includes a bridge circuit, and the bridge circuit includes Varistor R 1 , R 2 , R 3 , R 4 ;The clamping assembly includes U-shaped bearing Ⅰ, U-shaped bearing Ⅱ, fixed rod Ⅰ, fixed rod Ⅱ, support arm Ⅰ, support arm Ⅱ, spring Ⅰ, spring Ⅱ, screw, shaft Ⅰ, shaft Ⅱ, smooth ring; control Components include a voltage acquisition device, a PC and a programmable controller. The resistive sensor of the invention adopts a symmetrical electric bridge circuit, which not only improves the sensitivity, but also enhances the anti-interference ability, can effectively eliminate the error caused by vibration and temperature on the measurement of the cable diameter, and improve the measurement accuracy.
Description
technical field [0001] The invention relates to a cable diameter measuring device and method, belonging to the technical field of cable diameter detection. Background technique [0002] All over the world, wire and cable are indispensable supporting products in the process of national economic development. At present, my country's wire and cable industry has jumped to become the largest manufacturing country. However, the performance problems of domestic wire and cable are emerging one after another, especially in terms of dimensions and signs, there is a high failure rate of wire and cable, and the current situation is worrying. [0003] At present, there are few devices for measuring the diameter of cables, and the most commonly used method for measuring the diameter of cables in China is the measurement of TV cameras. However, the TV camera measurement often cannot meet the measurement accuracy, there are large errors, and the influence of the cable warp cannot be elimi...
Claims
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IPC IPC(8): G01B11/08
CPCG01B11/08
Inventor 陈焰方文长
Owner KUNMING UNIV OF SCI & TECH