CN111862514A - Hand-held acoustomagnetic detection decoder - Google Patents

Abstract

The invention discloses a hand-held AM detection decoder, which is a portable anti-theft check decoding article special for supermarkets, and the exterior structure of the invention comprises a long-handle shell, a detection decoding selection key and a detection decoding indicator lamp, and is characterized in that: the portable mode is adopted, a 9V rechargeable lithium battery is used, and meanwhile, the selectivity in detection and detection decoding is provided. The invention has the advantages that the supermarket staff can accurately identify whether the customer carries the unpaid commodity without infringing the personal right, and the label of the unpaid commodity is directly decoded after the customer pays the paid commodity without returning to the cashier desk. The multifunctional electric heating water heater is simple in structure, attractive, practical, complete in function and convenient to use.

Description

Hand-held acoustomagnetic detection decoder

Technical Field

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

Background

Currently, common decoders are mainly fixed desktop decoders. The existing desktop decoders have some technical defects: (1) the table type is fixedly arranged on the table top and cannot move; (2) only the decoding function or the alarm decoding function but the check alarm and the decoding cannot be separately detected. The problems bring inconvenience to the ultra-security of the business.

Disclosure of Invention

In order to solve the technical problems in the traditional acoustomagnetic decoder, the invention adopts a brand-new design, which comprises (1) an acoustomagnetic detection part: the detection signal is transmitted and received by the system, the standard range of the detection frequency is 57-59KHZ, and the information processing module (7-1) analyzes the soft label and the hard label; (2) the overvoltage protection part strictly controls the input voltage of the information processing module (7-1) by using the voltage stabilizing chip (6-2) and shields the high-voltage input of the signal input end of any information processing module (7-1); (3) the high-voltage degaussing circuit part: the device is used for generating a super-strong magnetic field to achieve the purpose of demagnetizing the soft label; (4) and an alarm part: the device is used for displaying the detected result in the form of sound and light; (5) a power supply section: a power supply conversion circuit inverts a 9V direct current input into an alternating current 170V for use by a high-voltage degaussing circuit part, and a direct current power supply with the voltage reduced to 5V is used by a sound magnetic detection part, an overvoltage protection part and an alarm part.

The appearance of the hand-held sound magnetic detection decoder is similar to a tennis racket-shaped strip shape and is divided into two parts; the first part is the elliptical coil portion of the housing that contains the decoding detection coil. The second part is a cylindrical handle part of the casing, and a main circuit part, a power supply circuit conversion part and a 9V rechargeable lithium battery are arranged in the second part.

Drawings

FIG. 1 is an external schematic view of a hand-held acousto-magnetic detector decoder of the present invention;

FIG. 2 is a schematic diagram of the structure of a hand-held acoustic-magnetic detection decoder of the present invention;

FIG. 3 is a schematic diagram of the antenna detection structure of the hand-held acoustic-magnetic detection decoder of the present invention;

FIG. 4 is a schematic diagram of the high voltage degaussing portion of the hand held acousto-magnetic detector decoder of the present invention;

FIG. 5 is a schematic diagram of the structure of an LED, a buzzer and a toggle switch of the hand-held acoustic-magnetic detection decoder of the present invention;

FIG. 6 is a schematic diagram of a power module of the hand-held acoustic-magnetic detection decoder of the present invention;

FIG. 7 is a schematic diagram of the structure of the information processing module of the hand-held acoustic-magnetic detection decoder of the present invention.

In the figure, (1-1) is a label of a hand-held sound magnetic detection decoder, (1-2) is a detection and detection decoding selection key, (1-3) is an electrified LED indicator, (1-4) is an inspection and detection decoding LED indicator, (1-5) is a buzzer, (1-6) is a self-recovery switch, (1-7) is a detection coil, (1-8) is a main board and power supply conversion circuit part inside, (1-9) is an external power supply port, (1-10) is a storage battery part inside, (3-3) is a magnetic field generating coil, (3-4) is a signal analysis module circuit, (4-2) is a high-voltage charging part, (4-1) is a high-voltage discharging part, (4-5) is a detection signal driving part, (5-1) is a buzzer and a light display part, the power supply conversion chip 7805 is adopted in the step (6-2), the multi-path power supply conversion module is adopted in the step (6-3), and the information processing module is adopted in the step (7-1).

Wherein Q3 is BTA16-600B, Q5, Q6, Q7, Q8 are all 8050, Q4 is 8550.

Detailed Description

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

The invention relates to a hand-held acoustic magnetic detection decoder, which is a portable hand-held detection + detection decoder. When the Shanghai security finds that the client is suspected of being stolen, the detection and detection decoding selection button (1-2) is pressed to enable the SWIT of the information processing module (7-1) in the figure 7 to be connected with the ground, the handheld acousto-magnetic detection decoder enters a detection function, the security opens the self-recovery switch (1-6) and enables the detection coil (1-7) to scan the client in a short distance, the MCUOUT of the information processing module (7-1) in the figure 7 sends out a detection signal, a frequency of 57-59KHZ is generated through the magnetic field generating coil (3-3) in the figure 3, when commodities with unpaid enter the magnetic field generating coil (3-3) in the figure 3, resonance is generated, the resonance signal is transmitted to the MCU2 of the information processing module (7-1) in the figure 7 through the signal analysis module circuit (3-4) in the figure 3, the information processing module (7-1) in the figure 7 analyzes whether the resonance signal is a label signal or not, if yes, an alarm sound is sent out through BEL of the information processing module (7-1) in the figure 7, RED of the information processing module (7-1) is enabled to be high level, namely, RED light is lightened, otherwise, no action is needed, after a client is found out that unpaid commodities are available and pays money faithfully, a detection and detection decoding selection button (1-2) is released to disconnect SWIT of the information processing module (7-1) in the figure 7, then a hand-held sound magnetic detection decoder enters a detection decoding function, a self-recovery switch (1-6) is opened and a detection coil (1-7) is enabled to closely illuminate a commodity label, the information processing module (7-1) in the figure 7 opens a high-voltage charging part (4-2) in the figure 4 through MCUCON2 to charge a high-voltage discharging capacitor, the MCUOUT detection signal is sent out at the same time, a magnetic field generating coil (3-3) in the figure 3 generates a resonance signal, and the signal analysis module in the figure 3 is used for electrically analyzing the commodities The circuit (3-4) transmits to the MCU2 of the information processing module (7-1) in fig. 7, the information processing module (7-1) turns off the high-voltage charging part (4-2) in fig. 4 through the MCUCON2 after receiving the signal, simultaneously turns on the high-voltage discharging part (4-1) in fig. 4 through the MCUCON1 of the information processing module (7-1) to enable the high-voltage discharging capacitor to discharge electricity to decode the label, simultaneously emits an alarm sound through the BEL of the information processing module (7-1) in fig. 7 to enable the RED of the information processing module (7-1) to be high level, namely, the RED light is turned on, and the high-voltage discharging part (4-1) in fig. 4 is turned off through the MCUCON1 of the information processing module (7-1) after decoding is finished.

The power supply module in fig. 6 is composed of two parts, an ac/dc conversion module (6-3) and a dc step-down module (6-2), the ac/dc conversion module (6-3) is to convert 9V dc power into ac high voltage 170V for the high voltage degaussing module, the dc step-down module (6-2) reduces the input 9V power to 5V for the information processing module (7-1), the detection module, the high voltage charging part (4-2) and the high voltage discharging part (4-1) in fig. 4, and simultaneously, the power supply module and the input 9V power are used together for the signal analysis module circuit (3-4) in the signal analysis module.

Claims (7)

1. A hand-held acoustomagnetic detection decoder is characterized by comprising an acoustomagnetic detection part (1), an overvoltage protection part (2), a high-voltage degaussing circuit part (3), an alarm part (4) and a power supply part (5), wherein the acoustomagnetic detection part (1) is used for selecting whether a detection function or a detection decoding function is carried out, an article which is swept out within a detection range is detected in operation, if the detection function is a 58KHZ acoustomagnetic signal, a signal is transmitted to a signal analysis module circuit (3-4), an information processing module (7-1) analyzes according to the signal transmitted by the signal analysis module circuit (3-4) under the detection function, if the detection function is label information, alarm information is transmitted to the alarm part (4), and the information processing module (7-1) processes the label signal transmitted by the signal analysis module circuit (3-4) under the detection decoding function, and simultaneously inform the alarm part (4) of alarming and the high-voltage degaussing circuit part (3) of degaussing, a high-voltage charging part (4-2) in the high-voltage degaussing circuit part (3) receives a signal sent by an information processing module (7-1) through MCUCON2, a Q7 is conducted to connect a pin 5 and a pin 6 of K2 so as to input high voltage to a discharging capacitor and disconnect the high voltage after the high-voltage charging part is fully charged, a high-voltage discharging part (4-1) receives a signal sent by the information processing module (7-1) through MCUCON1 to conduct Q6 so as to open K1, the K1-2 and the K1-3 are connected to start high-voltage degaussing, the alarm part (4) respectively drives an LED1 and a BELL after receiving the signal of the information processing module (7-1), and a power supply part (5) converts a 9V direct current power supply into alternating current 170V and 5V power to supply the acousto-magnetic detection part (1, An alarm part (4) and an information processing module (7-1).

2. The hand-held acoustomagnetic detection decoder according to claim 1, wherein the acoustomagnetic detection part (1) comprises a high voltage degaussing circuit part (3) and an information processing module (7-1) which are connected, a magnetic field generating coil (3-3) in the acoustomagnetic detection part (1) comprises a Q3 silicon controlled rectifier BTA16-600B, D6, a D7 fast recovery diode US1G and high voltage ceramic capacitors C23, C25, C26, C27 and C28, one leg of the magnetic field generating coil (3-3) is grounded, the other leg is connected with a leg C23, a leg Q3, a positive pole D6 and a negative pole D7 and is connected with D, the other leg of C25, C26, C27 and C28 are connected in parallel, the other leg is connected with the leg Q3, the other leg is connected with a negative pole of D7, a positive pole of D7 is grounded, the other leg of C23 is connected with R38, the other leg of R27 is connected with an R87458 and is connected with an electric resistance analyzing module (364-364) which is connected with an, the output of the signal analysis module circuit (3-4) is connected to the MCU2 of the information processing module (7-1), the other pin of the resistor R33 is grounded, the pin 8 of the information processing module (7-1) is grounded, the pin 6 is connected to a 5V power supply, and the serial connection C38 is grounded.

3. The hand-held acoustomagnetic detection decoder as recited in claim 1, wherein the alarm portion (4) comprises a buzzer alarm circuit and an LED indicator circuit, the base of a diode Q8 of the buzzer alarm circuit in the alarm portion (4) is connected with a resistor R55, the emitter is connected with a resistor R48, the collector is connected with the cathode of the buzzer, the other pin of the resistor R55 is connected with a pin BELL of the information processing module (7-1), the other pin of the resistor R48 is connected with the ground, the anode of the buzzer is connected with a 5V power supply, the anode of a green light LED2 in the LED indicator circuit in the alarm portion (4) is connected with a 5V power supply, the cathode and the cathode of a red light LED1 are connected with one pin of a resistor R222, the other pin of the resistor R222 is connected with the ground, and the anode of a red light LED1 is connected with a pin 16 of the information processing module (7-1).

4. The hand-held acoustic-magnetic detection decoder according to claim 1 or 2, wherein the power supply portion (5) comprises a DC 9V-AC 170V multi-channel power conversion module (6-3) and a power conversion chip 7805(6-2), the 9V DC voltage is supplied to the signal analysis module circuit (3-4) IN the acoustic-magnetic detection portion (1), the IN pin of the power conversion chip 7805(6-2) is connected with capacitors C49 and C50, the OUT pin is connected with capacitors C51 and C52, and outputs 5V voltage for the information processing module (7-1) and associated circuits, the other pins of the capacitors C49, C50, C51 and C52 are connected with the ground terminal of 7805, the 9V input terminal of the DC 9V-AC 170V multi-channel power conversion module (6-3) is connected with the emitter terminals of Q111 and Q112, the base terminal of Q111 is simultaneously connected with the L2-pin (112) of the transformation module, the base electrode of the Q112 is connected with the resistor R111 and is also connected with the pin (1) of the L112 of the voltage transformation module, the other pin of the resistor R111 is connected with the other pin of the resistor R112 and is grounded, the collector electrode of the Q111 is connected with the capacitor C111 and the pin 4 of the L112 of the voltage transformation module, the other pin of the capacitor C111 is connected with the collector electrode of the Q112 and is connected to the pin 2 of the L112, one end of the inductor L111 is grounded, the other end of the inductor L111 is connected with the pin 3 of the L112, the cathode of the diode D111 is connected with the cathode of the diode D112, the anode of the D111 is connected with the anodes of the capacitor C112 and the diode D113 and is connected to the pin (1-1) of the L112, the anode of the D112 is connected with the anode of the D114 and is connected to the pin (1-3) of the L112, the cathode of the diode D113 is connected with the cathode of the D114, and.

5. The hand-held acoustic-magnetic detector decoder as claimed in claim 1 or 2, wherein the information processing module (7-1) has a 1-pin BEL, a 5-pin MCUCON2, a 6-pin MCUCON2 with a 5V power supply and a series capacitor C38 grounded, an 8-pin ground, a 9-pin MCUOUT, an 11-pin MCUCON1, a 13-pin MCU2, a 14-pin switch, and a 16-pin RED.

6. The hand-held acousto-magnetic detection decoder according to claim 1 or 2, characterized in that the high voltage degaussing circuit part (3) comprises a switch module (4-1), a switch module (4-2) and a degaussing control module (4-5), wherein a pin 1 of K2 in the switch module (4-2) is connected with a collector of Q7 and a positive electrode of D11, a negative electrode of D11 is connected with a pin 8 of K2 and a capacitor C39, the other pin of the capacitor C39 is connected with ground, an emitter of Q7 is connected with ground, a base is connected with a resistor R56, the other pin of the resistor R56 is connected with a capacitor C61 and connected to a pin 5 of the information processing module (7-1), the other pin of the capacitor C61 is connected with ground, the pin 4 of K2 in the switch module (4-2) is connected with a power supply ground, the pin 5 of K2 is connected with R43, the other pin of R43 is connected with one end of three high voltage high capacitance in parallel connection and connected with an H3 of the Q3, the other ends of three parallel high-voltage high-capacity capacitors are grounded, the 3 pin of K2 is connected with the negative electrodes of D12 and D15, the positive electrode of D12 is connected with the negative electrode of D13 and connected into one pin of a capacitor C112, the positive electrode of D15 is connected with the negative electrode of D14 and connected into the (1-3) pin of L112, the K1-4 pin of K1 in the switch module (4-1) is connected with the positive electrode of D10 and the collector of Q6, the emitter of Q6 is grounded, the base is connected with a resistor R53, the other end of R53 is connected with an MCUCON 53 of an information processing module (7-1), the negative electrode of D53 is connected with the K53-5 pin of K53 and a capacitor C53, the other end of the capacitor C53 is grounded, one end of the parallel capacitors C53 and C53 of the degaussing module (4-5) is grounded, the emitter of another end of the power supply V53 is connected with a Q53, the emitter of Q53 is connected with the collector of the Q53, the collector of the Q53 and the collector of the Q53 and the, the other end of the resistor R47 is connected with a pin 9 of the information processing module (7-1).

7. A hand-held acousto-magnetic detector-decoder according to claim 1 or 2 characterised in that said elongated shape resembles a tennis racket shape divided into two parts; the first part is an elliptical coil part of the shell and internally comprises a decoding detection coil, the second part is a cylindrical handle part of the shell and internally provided with a main circuit part, a power supply circuit conversion part and a 9V rechargeable lithium battery, the appearance characteristics are shown in the figure, 1-1 is a label of a handheld acoustic magnetic detection decoder, 1-2 is an inspection and detection decoding selection button, 1-3 is an electrified LED indicator lamp, 1-4 is an inspection and detection decoding LED indicator lamp, 1-5 is a buzzer, 1-6 is a self-recovery switch, 1-7 is an internal detection coil, 1-8 is an internal main board and power supply conversion circuit part, 1-9 is an external power supply port, and 1-10 is an internal storage battery part.

Images