CAN (Controller Area Network) bus based medicine box detachment detection device and method in medicine management system
A CAN bus and management system technology, applied in the field of medical auxiliary automation equipment, can solve problems such as complex wiring, detection switch reading errors, unsuitable debugging, etc., and achieve the effects of improving reliability, convenient maintenance, development and shortening production time
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specific Embodiment approach 1
[0026] Specific implementation mode 1. Combination Figure 1 to Figure 9 Describe this embodiment, the drug box unloading drug box detection device in a drug management system based on CAN bus described in this embodiment, the device includes a drug pushing device, a drug box chute, a main control circuit 19, a photoelectric isolation circuit 20. CAN bus drive circuit 21, CAN bus and alarm 25, drug pushing device sensor signal transmission circuit 26 and medicine box chute sensor signal transmission circuit 27;
[0027] The medicine box chute includes a frame 1, a plurality of partitions 2, a plurality of ball assemblies 3, a beam 4 and a plurality of reflective photoelectric sensors 23, the frame 1 is a cuboid frame, the partitions 2 are rectangular, and a plurality of The ball assemblies 3 are equally spaced and arranged parallel to each other on the bottom surface of the frame 1, the length direction of the frame 1 is the direction in which the medicine box slides in or the...
specific Embodiment approach 2
[0034] Specific embodiment two, combine Figure 6 Describe this embodiment. This embodiment is a further description of the drug box unloading drug box detection device in a CAN bus-based drug management system described in the first specific embodiment. The drug pushing device also includes a bearing 9 and a timing belt 12 , two pulleys 11 and two fixed shafts 10;
[0035] Both ends of the synchronous belt 12 are tensioned by pulleys 11, and each pulley 11 is fixed by a fixed shaft 10, and the fixed shaft 10 is fixed on the inside of the support 7 by a bearing 9, and the medicine pushing servo motor 13 For driving the pulley 11 to rotate, the side wall of the machine base 7 has a long opening, and the fixed end of the medicine pushing rod 9 passes through the long opening and is fixed with the timing belt 12 .
specific Embodiment approach 3
[0036] Specific embodiment three, combine Figure 10 Describe this embodiment. This embodiment is a further description of the drug box unloading drug box detection device in a CAN bus-based drug management system described in the first specific embodiment. The ball assembly 3 of the drug box chute is controlled by the optical axis 3-1 and a plurality of balls 3-2, and the plurality of balls 3-2 are sleeved on the optical axis 3-1.
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