A strip steel offset detection device
A technology of offset detection and strip steel, applied in the direction of measuring devices, electrical devices, instruments, etc., can solve problems such as poor anti-interference ability, measurement failure, zero point offset, etc., achieve good stability and improve anti-interference ability Effect
Active Publication Date: 2018-01-09
TAIYUAN UNIV OF TECH
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Problems solved by technology
[0004] 1. Using analog circuit, poor anti-interference ability
[0005] 2. Designed with the principle of amplitude modulation, it is necessary to use a demodulator transformer to process the signal. There is a mechanical zero point in the position adjustment of the transformer magnetic core, and the zero point offset is easy to occur in the field vibration and noise environment, resulting in measurement failure.
[0006] 3. The offset displacement output signal is a non-standard signal, which is only suitable for the special control device matched with it
Method used
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Embodiment approach 1
[0019] Attached below figure 1 And attached figure 2 Further explain the application of a strip deviation detection device of the present invention on a continuous strip production line, as well as the working principle of the detection of the present invention.
[0020] According to attached figure 1 Install the first C-shaped aluminum frame 1 and the second C-shaped aluminum frame 2 on both sides of the continuous strip steel production line, the strip steel 10 passes through the middle of the C-shaped aluminum frame, and the first C-shaped aluminum frame 1 and the second C-shaped aluminum frame When the frame 2 is installed, it needs to be insulated from other metal structures to ensure that the two C-shaped aluminum frames are insulated from the ground, and the copper conductor 8 of the first coaxial cable 3 and the second coaxial cable 4 is welded to the middle part of the sides of the two C-shaped aluminum frames , as attached figure 1 As shown, the signal wires are ...
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A strip steel offset detection device belongs to the field of measurement technology, and specifically relates to a device for on-line detection of the strip steel running offset on a continuous production line by using a capacitive sensor, the purpose of which is to solve the existing capacitive strip steel offset The disadvantage of the detection device is that the coaxial shielded cable is used as the signal transmission line of the capacitive sensor. It is characterized in that it is a device that uses a differential capacitive sensor to perform digital on-line detection of the offset of the strip running on the continuous production line. Zero adjustment, differential calculation, bias, amplification and other processing provide standard signals for the strip steel deviation correction control system, including current signals, voltage signals and RS485 signals. It is suitable for various important occasions that have strict requirements on strip steel deviation detection, and has the advantages of digitalization, high reliability, and standardized output interface.
Description
technical field [0001] The invention relates to a strip steel deviation detection device, which belongs to the technical field of measurement, and in particular relates to a device for on-line detection of the strip steel running deviation on a continuous production line by using a capacitive sensor. Background technique [0002] In the continuous production line of strip steel, due to the mechanical error in the unit, the vibration and the fluctuation of strip steel tension, etc., the strip steel has deviation phenomenon, which makes the strip steel prone to edge collision, scratching equipment and causing strip breakage in the process. Stop production accidents seriously affect economic benefits. The strip deviation detection device is an essential and important component in the strip deviation correction control system. There are many types of traditional strip steel offset detection devices, mainly including photoelectric, inductive and capacitive detection devices. Th...
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IPC IPC(8): G01B7/02
Inventor 张红娟王宇高妍王东靳宝全乔铁柱余辉雷宇
Owner TAIYUAN UNIV OF TECH