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Depositing and withdrawing device, dynamic correction sensor thereof, correction method and device

A dynamic correction and sensor technology, applied in the field of sensor detection, can solve the problems of limited linear range of sensors, limited adjustment levels, frequent manual intervention, etc.

Inactive Publication Date: 2016-07-06
SHENZHEN YIHUA COMP +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this method will not affect the sensitivity, due to the limited linear range of the sensor, the adjustment level of the drive current at the transmitter is also limited, and it is easy to reach the maximum level, so frequent manual intervention is still required

Method used

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  • Depositing and withdrawing device, dynamic correction sensor thereof, correction method and device
  • Depositing and withdrawing device, dynamic correction sensor thereof, correction method and device
  • Depositing and withdrawing device, dynamic correction sensor thereof, correction method and device

Examples

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Embodiment 1

[0032] One of the specific embodiments of the present invention, this embodiment provides a deposit and withdrawal device with low maintenance cost, the deposit and withdrawal device includes a sensor for judging whether there is a banknote passing through the banknote channel, the storage device adopts a dynamic correction Functional sensor to judge whether there is a banknote passing through the banknote channel, the structure of the sensor with dynamic correction function is as follows: figure 1 As shown, it includes a transmitting end, a receiving end and a signal processing unit. The transmitting end and the receiving end are arranged opposite to each other. The receiving end receives the light emitted by the transmitting end and generates a sampling value. In this embodiment, the larger the sampling value, the greater the sampling value. It means that the less light collected by the receiving end.

[0033] The signal processing unit compares the sampling value of the rec...

Embodiment 2

[0045] The second specific embodiment of the present invention, the main technical solution of this embodiment is the same as that of Embodiment 1, and the features not explained in this embodiment are explained in Embodiment 1, and will not be repeated here. The difference between this embodiment and Embodiment 1 is that the transmitting end and the receiving end are set in the same direction, the light emitted by the transmitting end returns to the receiving end after being reflected, and the signal processing unit compares the sampling value of the receiving end with the threshold value V_T, if the sampling value is less than The threshold V_T indicates that the transmitting end of the sensor is blocked (there is a reflector), that is, there is an approaching object on the facing side of the sensor. The dynamic correction scheme for this type of sensor is consistent with Embodiment 1.

Embodiment 3

[0047] This embodiment provides a sensor dynamic correction method. The sensor to which this method is applied includes a transmitter and a receiver. The receiver receives the light emitted by the transmitter and generates a sample value, and compares the sample value of the receiver with a threshold to determine the Whether the receiving end is blocked, the implementation process of the sensor dynamic correction method is as follows Figure 5 As shown, the details are as follows:

[0048] In step A, the threshold is automatically corrected according to the sampling value V_L when the receiving end is not blocked, so that the variation trend of the threshold is consistent with the variation trend of the sampling value when the receiving end is not blocked.

[0049] Specifically, in step A, the step of automatically correcting the threshold according to the sampling value V_L when the receiving end is not blocked is specifically: superimposing the sampling value V_L when the re...

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PUM

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Abstract

The invention discloses a low-maintenance cost depositing and withdrawing device. According to a dynamic correction method applied to the sensor of the depositing and withdrawing device, threshold value adjustment is carried out until distinction degree is lower than an acceptable level, and then power adjustment is carried out, and thus, power adjustment is not enabled readily, so that the power adjustment has little possibility of achieving an adjustment upper limit. With the method of the invention adopted, the frequency of human intervention can be decreased to the greatest extent.

Description

technical field [0001] The invention relates to the technical field of sensor detection, in particular to deposit and withdrawal equipment and its dynamic correction sensor, and a sensor dynamic correction method and device. Background technique [0002] In the existing cash deposit and withdrawal equipment, the banknote separation device and the collection device are generally equipped with sensors to determine whether there are banknotes left, and the banknote passage is also judged by the state of the sensor to determine whether there are banknotes passing through. Therefore, the stability and life of the sensor directly affect whether the deposit and withdrawal equipment can work normally. [0003] Generally, the sensor uses an infrared sensor, including a transmitter and a receiver. The receiver receives and samples the light emitted by the transmitter. If there is an obstruction between the transmitter and the receiver, the sampling value of the receiver will change gr...

Claims

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Application Information

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IPC IPC(8): G07D13/00
Inventor 邹衡君胡钦惠
Owner SHENZHEN YIHUA COMP
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