Paper money temporary storage module, drum rotating speed control method thereof and automatic teller machine
AssigneeGRG Banking Equipment Co., Ltd.
InventorsQiaoqiao Chen, Zhe Li, Yunfei He, Zhenguang Wang
Life of this patent
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Abstract
A temporary banknote storage module and a method for controlling rotational speeds of reels thereof are provided. The method includes: detecting the flow amount of identification information on a tape in a unit time, calculating to obtain line speeds of a large reel and a small reel, calculating to obtain a first angular speed and a second angular speed according to an expected line speed and a PID algorithm, and controlling a first power motor that corresponds to the large reel and a second power motor that corresponds to the small reel respectively according to the first angular speed and the second angular speed.
Claims13
A method for controlling rotational speeds of reels of a temporary banknote storage module, comprising:
- counting the number of identifiers detected by a first sensor corresponding to a large reel in a preset time period, and recording the number of identifiers detected by the first sensor as a first identifier number, wherein the identifiers are uniformly arranged in a longitudinal direction of a tape;
- counting the number of identifiers detected by a second sensor corresponding to a small reel in the preset time period, and recording the number of identifiers detected by the second sensor as a second identifier number;
- calculating a line speed of the large reel and a line speed of the small reel based on the preset time period, the first identifier number, the second identifier number and a distance between the identifiers;
- and
- substituting the line speed of the large reel, the line speed of the small reel and an expected line speed into a PID algorithm, to calculate a first angular speed and a second angular speed, adjusting a rotational speed of a first power motor corresponding to the large reel to be the first angular speed, and adjusting a rotational speed of a second power motor corresponding to the small reel to be the second angular speed.
A temporary banknote storage module, comprising:
- a first power motor,
- a second power motor,
- a large reel driven by the first power motor,
- a small reel driven by the second power motor,
- a tape, wherein two ends of the tape are fixed on the large reel and the small reel respectively, and identifier information are uniformly arranged on surfaces of the tape in a longitudinal direction of the tape;
- a first sensor corresponding to the large reel, configured to detect the identifier information on the tape retracted or deployed by the large reel and output one piece of first identifier information each time one piece of identifier information is detected;
- a second sensor corresponding to the small reel, configured to detect the identifier information on the tape retracted or deployed by the small reel and output one piece of second identifier information each time one piece of identifier information is detected;
- and
- a microcontroller, configured to count the number of pieces of first identifier information obtained in a preset time, record the number of pieces of first identifier information as a first identifier number, count the number of pieces of second identifier information obtained in the preset time, record the number of pieces of second identifier information as a second identifier number, calculate a line speed of the large reel and a line speed of the small reel based on the preset time, the first identifier number, the second identifier number and a distance between the pieces of identifier information, obtain a first angular speed corresponding to the first power motor and a second angular speed corresponding to the second power motor based on an expected line speed and a PID algorithm, adjust a rotational speed of the first power motor corresponding to the large reel to be the first angular speed, and adjust a rotational speed of the second power motor corresponding to the small reel to be the second angular speed.
Dependencies are inferred from the claim text.