CN106339751B

CN106339751B - Automatic counting decoder

Info

Publication number: CN106339751B
Application number: CN201510403915.1A
Authority: CN
Inventors: 罗存
Original assignee: Jiaxing Hetech Chemical Technology Co ltd
Current assignee: Liu Li
Priority date: 2015-07-07
Filing date: 2015-07-07
Publication date: 2020-07-31
Anticipated expiration: 2035-07-07
Also published as: CN106339751A

Abstract

The invention discloses a radio frequency decoder with automatic counting, which is an anti-theft article special for cash register in a supermarket, and the external structure of the radio frequency decoder comprises a panel, an alarm indicator light and a liquid crystal display screen, and is characterized in that: the common decoder is added with the functions of automatic counting, namely demagnetization counting, alarm counting and nonstandard counting. The invention has the advantages that the invention can lead the supermarket staff to visually know the working condition of the cashier on duty and compare the working condition with the money collection items on the cash register, thereby preventing the error of the cashier caused by large workload or the loss of supermarket articles caused by the mutual check between the cashier and external personnel. The invention has simple structure, is beautiful and practical, and is visual and convenient.

Description

Automatic counting decoder

Technical Field

The invention relates to a decoder, in particular to a decoder for preventing theft and burglary in a supermarket.

Background

At present, the common decoders mainly include wireless Radio Frequency (RF) decoders, Acoustic Magnetic (AM) decoders, and the like. The existing decoders have some technical defects: (1) only has the alarm function and cannot determine the number of alarm commodities; (2) only has the degaussing function and can not determine the degaussing commodity quantity; (3) the quantity of the non-labeled commodities can not be identified due to the alarm degaussing function. The problems bring great hidden dangers to the anti-theft and anti-theft functions and the errors of the cash register part, and bring great loopholes to the property loss of merchants.

Disclosure of the invention

In order to solve the above technical problems in the existing decoders, the present invention provides a novel automatic counting decoder, which includes (1) a radio frequency part: the standard range of the detection frequency is 7.2-8.2 MHz for receiving and transmitting the detection signal by the system; (2) an infrared detection part: detecting whether the commodity enters a detection range or not; (3) the resonance circuit section: the (radio frequency) is used for breaking down the soft label to achieve the purpose of demagnetization, analyzing the soft label and transmitting information to the information processing module; (4) the alarm and display part: the display device is used for displaying the results of the three parts in the forms of sound, light and liquid crystal numbers; (5) a power supply section: a power conversion circuit converts an 18V DC input power to 12V and 5V DC power for powering the entire system.

The automatic counting decoder is in a square flat box shape and is divided into three parts; the first part is that the housing part comprises a glass cover plate, a glass face plate and a bottom box, the glass face plate has an area of 25 cm by 25 cm. An irregular ring of 24 light transmitting dots is provided. The outside of the ring is provided with 4 infrared sensing points and a display window of a rectangular liquid crystal display screen with the length of 5.75 cm and the width of 2.47 cm. The second part is a circuit part in the shell and comprises an annular detection antenna, a circuit board and a liquid crystal screen. The third part is a power supply part, namely an external power supply converts 220V alternating current into 18V direct current, and then the internal part converts the 18V direct current into 12V and 5V direct current for a system to use.

Drawings

FIG. 1 is a schematic diagram of an external panel of an automatic counting decoder according to the present invention

FIG. 2 is a schematic diagram of an automatic counting decoder according to the present invention;

FIG. 3 is a schematic diagram of the antenna and infrared configuration of the automatic count decoder of the present invention;

FIG. 4 is a schematic diagram of the resonant structure of the automatic counting decoder of the present invention;

FIG. 5 is a schematic diagram of the L ED and buzzer alarm configuration of the automatic counter decoder of the present invention;

FIG. 6 is a schematic diagram of the liquid crystal counting structure of the automatic counting decoder of the present invention;

FIG. 7 is a schematic diagram of the power module structure of the automatic counting decoder of the present invention;

FIG. 8 is a schematic diagram of the processing module structure of the automatic counting decoder of the present invention.

In the figure, 1-1, an automatic counting decoder panel, 1-2, an infrared receiving and transmitting window, 1-3, an alarm L ED indicating window, 1-4, a liquid crystal display window, 1-5, an antenna, 2-1, an infrared receiver, 2-2, an infrared transmitter, 2-3, an antenna detection module circuit, 3-1, a buzzer, 3-2, a L ED lamp, 4-1, a liquid crystal driving chip HT1621B, 4-2, a liquid crystal display screen, 5-1, a power conversion chip 7812, 5-2, a power conversion chip 7805, 6, an information processing module, 7, a clock module chip, 8, a resonance control module circuit, 10, a signal analysis module circuit, 11, a clock circuit C L K2, 12 and a clock circuit C L K1 are arranged.

Wherein 11-1 and 12-1 are both field effect transistors, 2-7 are transmission line transformers, and 3-4, 3-5, 3-6 are all MMBT 2222A.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

When the RFID tag of the present invention is used for cash register, the clock module chip (7) of the resonant circuit module of FIG. 4 sends out a scanning signal through C L K L, C L K L every 0.3 seconds, when the merchandise enters the detection range of RF L and RF L of the antenna module circuit (2-3) of FIG. 3, the infrared transceiver (2-1, 2-2) and the RF antenna module circuit (2-3) start to detect the merchandise, when the merchandise has 8.2MHZ, the information is broken down as the soft tag, and the information is transmitted to the signal analysis module circuit (10) of FIG. 4 through RF L, after the signal analysis module circuit (10) analyzes the information, the information is transmitted to the information processing module (6) of FIG. 8 through MCU L, and the infrared receiver (2-1) of FIG. 3) transmits the received signal to the information processing module (6) of FIG. 8 through TSS L, the TSS 366) of FIG. 8, the information processing module (6) transmits the accumulated signal to the MCU 6) through TSHT 6, the LCD chip (6) and the LCD module (6) to display the LCD 6) and the LCD module (6) to display the LCD module (6) and the LCD module (6) to display the LCD 6) and the LCD module (6) to display the LCD module (5) when the LCD module (3) displays the LCD module (6) displays the information on the LCD 6) when the LCD module (6) displays the LCD module (3) by the LCD module (3) displaying the LCD module (6) displaying the LCD 6) displaying the information on the LCD 6) and the LCD 6) displaying the warning information on the LCD 6) and the warning information on the LCD 6) of FIG. 6) when the warning display, the LCD 6) of FIG. 6) and the warning display, the warning display of FIG. 6, the warning display of.

The primary buck chip U5(5-1) in the power module of FIG. 7 converts an externally input 18V DC voltage into a 12V DC voltage for the signal analysis module circuit (10) to use, and the secondary buck chip U6(5-2) in the power module of FIG. 7 converts the 12V DC voltage converted by the primary buck chip U5(5-1) into a 5V DC voltage again for the liquid crystal driving chip (4-1), the information processing module chip (6-0), the buzzer (3-1), the clock module chip (7) and the infrared receiving module (2-1) to use.

The three kinds of counting are used for checking the number of the goods paid out by each cashier when the cashier goes off duty, so that the cashier is prevented from missing or hooking inside and outside, and the supermarket anti-theft and anti-theft function is achieved from the inside.

Claims

1. Radio frequency and infrared-based automatic counting decoder, which is characterized by comprising an antenna, an infrared detection module (1), a resonant circuit module (2), an L ED, a buzzer alarm module (3), a liquid crystal display module (4), a power supply module (5) and an information processing module (6), wherein:

the antenna and infrared detection module (1) is used for detecting articles in a scanning detection range, transmitting signals to the information analysis module circuit (10) if the articles are radio-frequency signals, and simultaneously transmitting the detected infrared signals to the information processing module (6);

the information processing module (6) analyzes whether the scanned object has a soft label or a hard label or an object without a label according to the soft label signal and the infrared receiving signal (1-1) transmitted by the information analysis module circuit (10), if the scanned object has no label, the information processing module transmits the processing signal to the resonance control module (8) in the resonance circuit module (2) to enable radio frequency detection to be out of work, meanwhile, the non-label counting is transmitted to the liquid crystal display module (4) to be displayed through calculation, and if the scanned object has soft label and hard label, the information is directly transmitted to the liquid crystal display module (4) to be displayed through calculation, and the alarm information is transmitted to L ED and the buzzer alarm module (3);

a clock module chip (7) in the resonant circuit module (2) detects signals of the antenna and the infrared detection module (1) every 0.3 second, and controls the radio frequency detection module after receiving signals of the information processing module (6);

after receiving the signal of the information processing module (6), the liquid crystal display module (4) displays three different counts on a liquid crystal screen: firstly, soft tag counting, firstly, hard tag counting and firstly, no tag counting;

l ED and buzzer alarm module (3) respectively drive L IGHT1 and BE LL, or L IGHT2 and BE LL after receiving the signal of information processing module (6);

the power module (5) converts 18V direct current power into 12V and 5V direct current power for the antenna and the infrared detection module (1), the resonant circuit modules (2) and L ED, the buzzer alarm module (3), the liquid crystal display module (4) and the information processing module (6) to use;

the antenna and infrared detection module (1) comprises a signal analysis module circuit (10), a resonance control module circuit (8) and an information processing module (6) which are connected with each other, an infrared detection module IN the antenna and infrared detection module (1) adopts an IRM 563284 (2-1) and an IR 333-A (2-2) transceiving pair transistor, an antenna module circuit (2-3) IN the antenna and infrared detection module (1) comprises a voltage conversion module U, a pin 5 of the voltage conversion module U is grounded, a pin 2 of the voltage conversion module U is grounded after being connected with a capacitor C IN series, a capacitor C IN the antenna module circuit (2-3) is connected with a resistor R2 IN parallel, one end of the capacitor C is connected with a pin 1 of the voltage conversion module U and is connected with an input terminal 2-4, the other end of the power conversion module U, a capacitor C IN series with a power source C2-6, a power source C2-6 is connected with a power source C2-6, a power source C2-6, a power source C6, a power source C6, a power source C, a power source C, a power source C, a power source C, a power source C, a power source C, a power source C, a power source C.

2. The automatic counting decoder according to claim 1, wherein the resonance circuit module (2) comprises an information analysis module circuit (10), a resonance control module circuit (8), a clock module chip (7), a clock circuit 2(11), a clock circuit 1(12), an antenna module circuit (2-3) connected with each other, a pin 7 of the clock module chip (7) is grounded, a pin 14 of the clock module chip (7) is connected with a 5V power supply, a pin 6 of the clock module chip (7) is connected with a pin 9, a pin 8 of the clock module chip (7) is connected with a serial capacitor C12 in series to a lead-in 1 of the clock circuit 2(11), a pin 11 of the clock module chip (7) is connected with a serial capacitor C13 in series to a lead-in 1 of the clock circuit 1(12), and the pin 1 of the clock module chip (7) is shorted with the pin 2 and connected with a resistor R67, the crystal oscillator Y is connected with one end of a capacitor C48, the other end of the capacitor C48 is grounded, a pin 3, a pin 4, a pin 5 and a pin 11 of a clock module chip (7) are short-circuited and connected with a resistor R67 and the other end of the crystal oscillator Y, one end of a capacitor C49 is connected, the other end of a capacitor C49 is grounded, an outgoing line 2 of a clock circuit 2(11) is connected with a resistor R17 and a G pole of a field-effect tube Q3, the other end of the resistor R17 is grounded, an S pole series resistor R9 of the field-effect tube Q3 is grounded, a D pole of the field-effect tube Q3 is connected with an input end 2-4 of an antenna module circuit (2-3), the outgoing line 2 of the clock circuit 1(12) is connected with a resistor R18 and a G pole of a field-effect tube Q4, the other end of the resistor R18 is grounded, an S pole series resistor R10 of the field-effect tube Q3 is grounded, a D pole of the field-effect, an output end 8-2 of the resonance control module circuit (8) is connected with an input end 2-6 of the antenna module circuit (2-3), an input end 10-1 of the signal analysis module circuit (10) is connected with an output end 2-7 of the antenna module circuit (2-3), and an input end 10-2 of the signal analysis module circuit (10) is connected with an output end 2-8 of the antenna module circuit (2-3).

3. The automatic counting decoder according to claim 1, wherein the liquid crystal display module (4) comprises a liquid crystal driving chip (4-1) and a liquid crystal display panel (4-2), the pin 13 of the liquid crystal driving chip (4-1) is grounded, the pin 16 of the liquid crystal driving chip (4-1) is connected with a resistor R15, the other end of the resistor R15 is connected with a capacitor C14, the pin 17 of the liquid crystal driving chip (4-1) and a 5V power supply, the other end of the capacitor C14 is grounded, the pins 21, 22, 23, 24, 45, 46, 47, 48, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 of the liquid crystal driving chip (4-1) respectively correspond to the pins 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 15, 16 are connected.