Dust prevention device for paper break detection sensor
A technology for detecting sensors and dust-proof devices, which is applied in the direction of measuring devices, instruments, and re-radiation of electromagnetic waves. It can solve problems such as inability to receive signals and alarm failures, and achieve the effects of easy installation and use, low cost, and obvious dust-proof effects
Pending Publication Date: 2019-06-18
浙江哲丰新材料有限公司
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Problems solved by technology
[0002] On the paper production line, a sensor for paper break detection is installed. When the paper moves normally, no alarm will be issued. When the paper breaks, the sensor will output an alarm signal to the controller, and the production line will stop production for maintenance. The sensor usually uses infrared emission The receiving tube, during normal production, the infrared emitting signal can be received by the infrared receiving tube after being reflected by the paper. If the paper is broken, the infrared receiving tube cannot receive the signal and starts to alarm. In the prior art, the infrared transmitting and receiving tube will be generated by the paper. Dust blocking, resulting in alarm failure
Method used
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[0016] Now in conjunction with accompanying drawing, the present invention will be further described:
[0017] As shown in the figure, a dust-proof device for a paper break detection sensor includes:
[0018] The sensor transmitting tube 31 and the sensor receiving tube 32 are fixed on the frame, the sensor transmitting tube 31 and the sensor receiving tube 32 aim at the paper 2 moving on the papermaking production line to transmit and receive photoelectric signals, and the sensor is electrically connected to the controller of the papermaking production line, When the paper breaks, the sensor receiving tube outputs a paper break signal to the controller; the paper 2 is usually supported by multiple rolls 1;
[0019] Also includes:
[0020] Dustproof cover 4, it is fixed on frame, and sensor launch tube 31, sensor receiving tube 32 are installed in dustproof cover 4, and the top of dustproof cover 4 is provided with air inlet 5, and this air inlet 5 communicates through pipeli...
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The invention discloses a dust prevention device for a paper break detection sensor. The dust prevention device includes a sensor transmitting tube and a sensor receiving tube which are fixed on a frame, wherein the sensor transmitting tube and the sensor receiving tube are aligned with transmitting and receiving photoelectric signals of moving paper on a papermaking line, a sensor is electricallyconnected with a controller of the paper papermaking line, when the paper is broken, the sensor receiving tube outputs a paper break signal to the controller, a dust cover fixed on the frame is further included, the sensor transmitting tube and the sensor receiving tube are mounted in the dust cover, the top of the dust cover is provided with an air inlet, the air inlet is connected with an air pump through a pipeline, the positive pressure is formed inside the dust cover, the dust cover is internally equipped with a porous plate, the porous plate is fixed above the sensor transmitting tube and the sensor receiving tube, the porous plate allows the airflow in the dust cover to flow evenly downward, the air inlet is provided with a dust filter, and the dust cover is cylindrical. The dust prevention device has advantages of simple structure, low cost, convenient mounting and use and obvious dust prevention effect.
Description
technical field [0001] The invention relates to a dust-proof device for a paper break detection sensor, which belongs to the equipment in the papermaking industry. Background technique [0002] On the paper production line, a sensor for paper break detection is installed. When the paper moves normally, no alarm will be issued. When the paper breaks, the sensor will output an alarm signal to the controller, and the production line will stop production for maintenance. The sensor usually uses infrared emission The receiving tube, during normal production, the infrared emitting signal can be received by the infrared receiving tube after being reflected by the paper. If the paper is broken, the infrared receiving tube cannot receive the signal and starts to alarm. In the prior art, the infrared transmitting and receiving tube will be generated by the paper. Dust blocking, resulting in alarm failure. Contents of the invention [0003] Based on the above deficiencies, the p...
Claims
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Inventor 吴宪宝费旭勇金建明阙玉松程诚
Owner 浙江哲丰新材料有限公司