CN110807506A - High-speed paper detection device and detection method thereof - Google Patents
High-speed paper detection device and detection method thereof Download PDFInfo
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- CN110807506A CN110807506A CN201911183672.XA CN201911183672A CN110807506A CN 110807506 A CN110807506 A CN 110807506A CN 201911183672 A CN201911183672 A CN 201911183672A CN 110807506 A CN110807506 A CN 110807506A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06M—COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR
- G06M7/00—Counting of objects carried by a conveyor
- G06M7/02—Counting of objects carried by a conveyor wherein objects ahead of the sensing element are separated to produce a distinct gap between successive objects
- G06M7/06—Counting of flat articles, e.g. of sheets of paper
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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Abstract
The invention relates to the field of paper detection, and discloses a high-speed paper detection device which comprises a detection table, wherein an upper acrylic plate and a lower acrylic plate which are arranged in parallel are arranged on the detection table, a copper-clad polar plate is embedded in the center of the outer side of each acrylic plate, a lead is connected to the center of each copper-clad polar plate, the other ends of the two leads are respectively coupled to CH0 and CH1 data I/O of a capacitance digital sensor, the capacitance digital sensor is connected with a main control board, the main control board is connected with a display screen, and the capacitance digital sensor, the main control board and the display screen are all connected with a power supply. The invention also discloses a detection method of the high-speed paper detection device. The high-speed paper detection device and the detection method thereof have the advantages of small damage to paper, no noise, high efficiency and capability of detecting whether the paper is damped.
Description
Technical Field
The invention relates to the field of paper detection, in particular to a high-speed paper detection device and a detection method thereof.
Background
In the case of printing, test paper packaging, paper counting and the like, when the number of paper sheets needs to be accurately determined, manual counting or mechanical counting is generally adopted. The two paper counting modes are both mechanical single sheet counting in nature, the work repetition rate is high, the noise is large, and the counting efficiency cannot be guaranteed. Especially for valuable papers such as banknotes, simple mechanical measurements are likely to damage the paper, resulting in considerable losses.
Therefore, it is very important to develop a paper detection device that is efficient, has little damage to paper, and is noise-free.
Disclosure of Invention
The present invention is directed to a high-speed paper detecting device and method, which can detect whether paper is wet or not, with less damage to paper, no noise and high efficiency.
In order to achieve the purpose, the high-speed paper detection device comprises a detection table, an upper acrylic plate and a lower acrylic plate which are arranged in parallel are arranged on the detection table, a copper-clad polar plate is embedded in the centers of the two acrylic plates on the outer sides, a lead is connected to the center of the copper-clad polar plate, the other ends of the two leads are respectively coupled to CH0 and CH1 data I/O of a capacitance digital sensor, the capacitance digital sensor is connected with a main control board, the main control board is connected with a display screen, and the capacitance digital sensor, the main control board and the display screen are all connected with a power supply.
Preferably, the temperature control system further comprises a temperature sensor connected with the main control board.
Preferably, the device further comprises a humidity sensor connected with the main control board, and a probe of the humidity sensor is located at the edge of the acrylic board on the lower side block.
Preferably, the conductor 2 is a shielded wire.
Preferably, the size of the acrylic plate is 30cm x 40cm x 0.7cm, and the size of the copper-clad plate 1 is 10cm x 0.3 cm.
A detection method of a high-speed paper detection device comprises the following steps:
A) placing different numbers of paper between the two acrylic plates in a temperature environment with the temperature of 0-40 ℃ and the step length of 2 ℃, in a humidity environment with the step length of 5RH and 20-60 RH, acquiring LC resonance frequency between the two copper-clad polar plates through the capacitance digital sensor, and establishing an LC resonance frequency database related to the temperature, the humidity and the number of the paper;
B) placing paper to be detected between the two acrylic plates, collecting LC resonance frequency between the two copper-clad plates through the capacitance digital sensor, and sending the LC resonance frequency to the main control plate;
C) detecting the current environment temperature through the temperature sensor and sending the current environment temperature to the main control board, and detecting the current environment humidity through the humidity sensor and sending the current environment humidity to the main control board;
D) and the main control panel calculates and compares the LC resonance frequency, the current environment temperature and the current environment humidity based on the received LC resonance frequency, the current environment temperature and the current environment humidity, obtains the number information of the paper and displays the number information to a display screen.
Preferably, in the step C), the humidity sensor detects the humidity of the paper in the acrylic plate, and when the humidity is higher than a paper humidity threshold value, the humidity sensor sends a signal indicating that the paper is wetted to the main control board and displays the signal on the display screen.
Compared with the prior art, the invention has the following advantages:
1. the counting and counting of the paper in batches can be realized, the mechanical counting of single paper is avoided, and the counting efficiency is improved;
2. the noise pollution of the traditional paper counting device can be avoided;
3. the invention has low energy consumption and can be directly powered by a lithium battery;
4. the humidity of the paper can be detected, and the damp paper can be removed;
5. the damage to the paper is small, and the loss of the paper is reduced;
6. simple structure and convenient carrying.
Drawings
Fig. 1 is a schematic structural view of a high-speed paper detection apparatus according to the present invention.
The components in the figures are numbered as follows:
the sensor comprises a copper-clad polar plate 1, a lead 2 and a capacitance digital sensor 3.
Detailed Description
The invention is described in further detail below with reference to the figures and the specific embodiments.
As shown in fig. 1, the high-speed paper detection device comprises a detection table, wherein an upper acrylic plate and a lower acrylic plate are arranged on the detection table in parallel, a copper-clad polar plate 1 is embedded in the center of each of the two acrylic plates, the center of each copper-clad polar plate 1 is connected with a lead 2, each lead 2 is a shielding wire, the other ends of the two leads 2 are respectively coupled to CH0 and CH1 data I/O of a capacitance digital sensor 3, the capacitance digital sensor 3 is connected with a main control board, the main control board is connected with a display screen, and the capacitance digital sensor 3, the main control board and the display screen are all connected with a power supply.
In addition, still include the temperature sensor and the humidity transducer who are connected with the main control board, humidity transducer's probe is located the edge of downside piece ya keli board.
In this example, the acrylic sheet is 30cm by 40cm by 0.7cm, and the copper-clad plate 1 is 10cm by 0.3 cm.
In this embodiment, the model of the capacitive digital sensor 3 is FDC2214, the model of the main control board is STM32F407, the internal core processor thereof is an STM32F407ZGT6 chip, the model of the temperature sensor is TSYS02-12D, and the model of the humidity sensor is HTU 21.
The detection method of the high-speed paper detection device comprises the following steps:
A) placing different numbers of paper between two acrylic plates under the temperature environment of 0-40 ℃ and the temperature environment of 2 ℃ step length and the humidity environment of 20-60 RH and 5RH, acquiring LC resonance frequency between two copper-clad plates 1 through a capacitance digital sensor 3, and establishing an LC resonance frequency database related to the temperature, the humidity and the number of the paper;
B) putting paper to be detected between two acrylic plates, collecting LC resonance frequency between two copper-clad plates 1 through a capacitance digital sensor 3, and sending the LC resonance frequency to a main control board, wherein specifically, in the step, the LC resonance frequency between the copper-clad plates 1 collected by the capacitance digital sensor 3 changes along with the capacitance value change, namely, along with the number change of the paper;
C) detecting the current environment temperature through a temperature sensor and sending the current environment temperature to a main control board, and detecting the current environment humidity through a humidity sensor and sending the current environment humidity to the main control board;
D) and the main control panel calculates and compares the LC resonance frequency, the current environment temperature and the current environment humidity with the LC resonance frequency database based on the received LC resonance frequency, the current environment temperature and the current environment humidity, obtains the number information of the paper and displays the number information to the display screen.
Wherein, in step C), humidity transducer detects the humidity of the interior paper of ya keli board, and when being higher than paper humidity threshold value, humidity transducer sends the signal that the paper was dampened to the main control board, shows on the display screen.
The high-speed paper detection device and the detection method thereof can count and count paper in batches, avoid single mechanical counting and improve counting efficiency; and the noise pollution of the traditional paper counting device is avoided; the energy consumption is low, and the lithium battery can be directly used for supplying power; in addition, the humidity of the paper can be detected, the damp paper can be removed, the damage to the paper is small, and the loss of the paper is reduced; and the device has simple structure and is convenient to carry.
Claims (7)
1. The utility model provides a high-speed paper class detection device, is including examining test table, its characterized in that: detect two parallel arrangement's inferior gram force board about being equipped with on the platform, two inferior gram force boards are located the center department in the outside and all embed one and cover copper polar plate (1), the center department of covering copper polar plate (1) even has wire (2), two the other end of wire (2) couples respectively on the CH0 and the CH1 data IO of electric capacity digital sensor (3), electric capacity digital sensor (3) even have the main control board, the main control board even has the display screen, electric capacity digital sensor (3), main control board and display screen all are connected with the power.
2. The high-speed paper sheet detection device according to claim 1, characterized in that: the temperature sensor is connected with the main control board.
3. The high-speed paper sheet detection device according to claim 2, characterized in that: still include with the humidity transducer that the main control board is connected, humidity transducer's probe is located the downside piece the edge of ya keli board.
4. The high-speed paper detection apparatus according to claim 3, characterized in that: the lead (2) is a shielding wire.
5. The high-speed paper detection apparatus according to claim 4, characterized in that: the size of the acrylic plate is 30cm x 40cm x 0.7cm, and the size of the copper-clad plate (1) is 10cm x 0.3 cm.
6. A detection method of the high-speed paper detection apparatus according to claim 3, characterized in that: the method comprises the following steps:
A) under the temperature environment of 0-40 ℃ and the temperature step of 2 ℃, under the humidity environment of 20-60 RH and the step of 5RH, placing different numbers of paper between the two acrylic plates, collecting LC resonance frequency between the two copper-clad polar plates (1) through the capacitance digital sensor (3), and establishing an LC resonance frequency database related to the temperature, the humidity and the number of the paper;
B) putting paper to be detected between the two acrylic plates, collecting LC resonance frequency between the two copper-clad polar plates (1) through the capacitance digital sensor (3), and sending the LC resonance frequency to the main control board;
C) detecting the current environment temperature through the temperature sensor and sending the current environment temperature to the main control board, and detecting the current environment humidity through the humidity sensor and sending the current environment humidity to the main control board;
D) and the main control panel calculates and compares the LC resonance frequency, the current environment temperature and the current environment humidity based on the received LC resonance frequency, the current environment temperature and the current environment humidity, obtains the number information of the paper and displays the number information to a display screen.
7. A detection method of the high-speed paper detection apparatus according to any one of claim 5, characterized in that: in the step C), the humidity sensor detects the humidity of the paper in the acrylic plate, and when the humidity is higher than a paper humidity threshold value, the humidity sensor sends a damp signal of the paper to the main control board and displays the damp signal on the display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201911183672.XA CN110807506A (en) | 2019-11-27 | 2019-11-27 | High-speed paper detection device and detection method thereof |
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| CN201911183672.XA CN110807506A (en) | 2019-11-27 | 2019-11-27 | High-speed paper detection device and detection method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103363887A (en) * | 2012-04-11 | 2013-10-23 | 北京华夏聚龙自动化股份公司 | Novel material thickness measuring method |
| CN105172388A (en) * | 2015-08-13 | 2015-12-23 | 陈超 | Capacitive printing paper detection apparatus |
| CN107430795A (en) * | 2015-04-23 | 2017-12-01 | 富士通先端科技株式会社 | Paper sheet thickness detection sensor and bank note discriminating unit |
-
2019
- 2019-11-27 CN CN201911183672.XA patent/CN110807506A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103363887A (en) * | 2012-04-11 | 2013-10-23 | 北京华夏聚龙自动化股份公司 | Novel material thickness measuring method |
| CN107430795A (en) * | 2015-04-23 | 2017-12-01 | 富士通先端科技株式会社 | Paper sheet thickness detection sensor and bank note discriminating unit |
| CN105172388A (en) * | 2015-08-13 | 2015-12-23 | 陈超 | Capacitive printing paper detection apparatus |
Non-Patent Citations (2)
| Title |
|---|
| 蒋志伟: "基于FDC2214的纸张计数显示装置的设计与实现", 《科技视界》 * |
| 马其才: "纸张计数显示装置设计", 《中国科技信息》 * |
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Application publication date: 20200218 |