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Product introduction
Microcomputer chip is the core of the DH-Ⅴ skid-detector, which is developed by ourselves and based on the DH-Ⅲ. DH-V skid-detector is used to check and measure the skid between conveyor belt and active roller during the process of conveyor running. And avoid the destructive accidents due to skid. On account of adopted the microcomputer chip, it‘s more reliable and its precision is further improved. Furthermore, it also can be realize the delay of starting process and self-reliable of the starting process, and we also can design it according to the requirements of clients.
Main Technical Index
No.1 Working Environment & Technical Parameters
Altitude: less than 2000 Meters; Ambient temperature: -35℃~+60℃； Relative humidity: No more than 95%; Atmospheric pressure: 80～110 KPa; Protective Level: IP65; Action direction: bidirectional way; Working location: please install on the direction-change roller and below the belt. It doesn’t work as the starting or stooping the belt conveyor machine; Output contact: one opening and one closed, one team converts the joint.
No.2 Data Sheet of Specifications
Skid ratio
Applicable belt speed (M/S)
Touchwheel Diameter
Weight
DH-Ⅴ
20%
0.8-3
123mm
5kg
No.3 Working Principle
The detector contacts with belts through touchwheel which tightly touches with the belt. When the touchwheel and motional belt run at linear velocity, the internal inspecting sensor is blocked by infrared transceiver light constantly, then output pulse signal, enter counting cell after being isolated by photoelectricity, meanwhile it reflects the actual belt speed. Belts’ Movement information, through infrared photoelectric sensor, input SCM pulse signal. After receiving signal, the SCM begin to process computing and judgment to monitor the stall of running belts. When the running speed of belts is under the normal speed of 25-30％, a switch signal will be sent out. Users can take advantage of this switch signal to achieve stall stands in their own controlled network, and prevent production accidents caused by skid.
