Intelligent cabinet

Abstract

The utility model relates to an intelligent cabinet, which is characterized in that a plurality of radio frequency cards are placed in a plurality of key cabinets one by one to realize centralized storage of keys / radio frequency cards; the plurality of radio frequency cards are fixedly connected to the plurality of keys one by one and are bound so as to identify the corresponding keys; the face recognition camera module is used for recognizing a face image, opening a cabinet door of a corresponding key cabinet through the face image and recording the lending condition of a key / radio frequency card; the touch display screen is used for man-machine interaction, for example, the cabinet door of the key cabinet is opened by inputting a password and the cabinet door of the key cabinet is opened by scanning a two-dimensional code on the touch display screen through a mobile phone; the plurality of radio frequency identification modules are used for identifying radio frequency cards in a plurality of key cabinets in a one-to-one manner and verifying the radio frequency cards; the plurality of cabinet door opening circuits control the opening of the cabinet doors of the plurality of key cabinets in a one-to-one manner so as to realize the opening of the cabinet door of the specific key cabinet; therefore, the cabinet door of the corresponding key cabinet is opened by recognizing the face image, the lending condition of each key / radio frequency card is recorded, and the intelligent degree is high.

Description

Technical Field

[0001] The utility model relates to the technical field of intelligent key cabinet circuits, and more specifically, to an intelligent cabinet. Background Art

[0002] Most of the existing centralized management of vehicle keys is to manually identify the key information and then record it in an EXCEL table. There are high management costs and low efficiency, which can no longer meet people's usage requirements. Content of the Utility Model

[0003] The technical problem to be solved by the utility model is to provide an intelligent cabinet with a simple circuit, low cost, which can centrally and batch store multiple keys and automatically record the lending situation of each key, aiming at the above-mentioned defects of the prior art.

[0004] The technical solution adopted by the utility model to solve its technical problems is as follows:

[0005] Construct an intelligent cabinet, including a plurality of radio frequency identification modules, a face recognition camera module and a touch display screen; wherein,

[0006] It further includes: a plurality of key cabinets and a plurality of cabinet door opening circuits. The plurality of key cabinets are used to place a plurality of radio frequency cards. The plurality of radio frequency cards are respectively placed in the plurality of key cabinets. The plurality of radio frequency identification modules are used to identify the radio frequency cards in the plurality of key cabinets one by one; the plurality of cabinet door opening circuits control the opening of the cabinet doors of the plurality of key cabinets one by one. The plurality of radio frequency cards are respectively fixedly connected to a plurality of keys and are bound to each other;

[0007] The face recognition camera module is used to recognize face images, and the touch display screen is used for human-computer interaction; the plurality of cabinet door opening circuits, the plurality of radio frequency identification modules, the face recognition camera module and the touch display screen are all connected to the main control circuit. The main control circuit is further connected with an Ethernet networking circuit, and the Ethernet networking circuit connects the main control circuit to a remote server on the Internet.

[0008] For the intelligent cabinet of the utility model, wherein, the main control circuit includes: a microcontroller, a memory chip and a flash memory chip;

[0009] The memory chip and the flash memory chip are both connected to the microcontroller. The model of the microcontroller is STM32F429 I GT6, the model of the memory chip is W9825G6KH, and the model of the flash memory chip is MT29F4G08.

[0010] For the intelligent cabinet described in the present utility model, the DQ0, DQ1, DQ2, DQ3, DQ4, DQ5, DQ6, DQ7, DQ8, DQ9, DQ10, DQ11, DQ12, DQ13, DQ14, DQ15, WE, CAS, RAS, CS, A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12 / NC, BA0, BA1, CKE, CLK, LDQM, and UDQM terminals of the memory chip are sequentially and respectively connected to the PD14, PD15, PD0, PD1, PE7, PE8, PE9, PE10, PE11, PE12, PE13, PE14, PE15, PD8, PD9, PD10, PC0, PG15, PF11, PC2, PF0, PF1, PF2, PF3, PF4, PF5, PF12, PF13, PF14, PF15, PG0, PG1, PG2, PG4, PG5, PC3, PG8, PE0, and PE1 terminals of the microcontroller in sequence;

[0011] The I / O0, I / O1, I / O2, I / O3, I / O4, I / O5, I / O6, I / O7, CLE, ALE, WE, RE, CE, and R / B terminals of the flash memory chip are sequentially and respectively connected to the PD14, PD15, PD0, PD1, PE7, PE8, PE9, PE10, PD11, PD12, PD5, PD4, PG9, and PD6 terminals of the microcontroller in sequence;

[0012] For the intelligent cabinet described in the present utility model, the microcontroller is further connected with a startup mode selection circuit and a reset circuit;

[0013] The startup mode selection circuit includes: a first resistor and a second resistor. The first resistor is connected to the BOOT0 terminal of the microcontroller, and the second resistor is connected to the PB2 / BOOT1 terminal of the microcontroller. The other ends of the first resistor and the second resistor are both grounded;

[0014] The reset circuit includes: a third resistor, a capacitor, and a momentary switch. The third resistor is connected to the positive pole of the 3.3V power supply, and the other end is respectively connected to the NRST terminal of the microcontroller, the capacitor, and the momentary switch. The other ends of the capacitor and the momentary switch are both grounded.

[0015] For the intelligent cabinet described in the present utility model, the model of the radio frequency identification module is M4255-HA;

[0016] The DM terminal and the DP terminal of the radio frequency identification module are connected to the PA11 terminal and the PA12 terminal of the microcontroller in sequence one-to-one.

[0017] For the intelligent cabinet described in the present utility model, the microcontroller is further connected with an RS485 transceiver. The RO terminal of the RS485 transceiver is connected to the PA2 terminal of the microcontroller and the DI terminal is connected to the PA4 terminal of the microcontroller. The RE terminal and the DE terminal of the RS485 transceiver are connected and also connected to the PA3 terminal of the microcontroller. The A terminal of the RS485 transceiver is connected with a fourth resistor, and the other end of the fourth resistor is connected to the B terminal of the RS485 transceiver;

[0018] The RS485 transceiver is also connected with a plurality of the face recognition camera modules.

[0019] For the intelligent cabinet described in the present utility model, the model of the face recognition camera module is FM225;

[0020] The 2TXA terminals of the plurality of face recognition camera modules are connected to the A terminal of the RS485 transceiver and the 2RXB terminals are connected to the B terminal of the RS485 transceiver.

[0021] For the intelligent cabinet described in the present utility model, the model of the touch display screen is ATK-MD0700R;

[0022] The 6th, 7th, 8th, 9th, 10th, 14th, 15th, 16th, 17th, 18th, 19th, 24th, 25th, 26th, 27th, 28th, 30th, 31st, 32nd, 33rd, 34th, 35th, 36th, 37th, 38th and 39th pins as well as the 40th pin of the touch display screen are connected to the PH9 terminal, PH10 terminal, PH11 terminal, PH12 terminal, PG6 terminal, PH13 terminal, PH14 terminal, PH15 terminal, PI0 terminal, PI1 terminal, PI2 terminal, PG11 terminal, PI4 terminal, PI5 terminal, PI6 terminal, PI7 terminal, PG7 terminal, PI10 terminal, PI9 terminal, PF10 terminal, PB5 terminal, PI8 terminal, PI3 terminal, PG3 terminal, PH6 terminal and PH7 terminal as well as the NRST terminal of the microcontroller in sequence one-to-one.

[0023] For the intelligent cabinet of the present utility model, the cabinet door opening circuit includes: an electromagnetic lock, a field effect transistor, and a diode. The gate of the field effect transistor is the control end of the cabinet door opening circuit, and the source is connected to the positive pole of the 12V power supply. The drain of the field effect transistor is connected to the positive pole of the electromagnetic lock and the negative pole of the diode. The negative pole of the electromagnetic lock and the positive pole of the diode are both grounded;

[0024] The control ends of multiple said cabinet door opening circuits are connected to multiple unused I / O ends of the microcontroller one-to-one.

[0025] For the intelligent cabinet of the present utility model, the Ethernet networking circuit includes: an Ethernet transceiver and an Ethernet interface transformer;

[0026] The TD+ end, TD- end, RD+ end, RD- end, LED(Y)_A end, and LED(G)_A end of the Ethernet interface transformer are connected to the TRXP0 end, TRXN0 end, TRXP1 end, TRXN1 end, LED1 end, and LED0 end of the Ethernet transceiver one-to-one in sequence;

[0027] The RXD0 end, RXD1 end, TXD0 end, TXD1 end, TX_EN end, MDC end, MD IO end, and CRS end of the Ethernet transceiver are connected to the PC4 end, PC5 end, PG13 end, PG14 end, PB11 end, PC1 end, PA2 end, and PA7 end of the microcontroller one-to-one in sequence.

[0028] The beneficial effects of the present utility model are as follows: Multiple RF cards are placed in multiple key cabinets one by one to achieve centralized storage of keys / RF cards; Multiple RF cards are fixedly connected to multiple keys and bound to each other to identify the corresponding keys; The face recognition camera module is used to recognize face images, to open the cabinet door of the corresponding key cabinet through the face image and record the lending situation of keys / RF cards; The touch display screen is used for human-computer interaction. For example, inputting a password to open the cabinet door of the key cabinet and scanning the QR code on the touch display screen with a mobile phone to open the cabinet door of the key cabinet; The Ethernet networking circuit connects the main control circuit to a remote server on the Internet to achieve remote monitoring and management; Multiple RF identification modules are used to identify the RF cards in multiple key cabinets one-to-one for RF card verification; Multiple cabinet door opening circuits control the opening of the cabinet doors of multiple key cabinets one-to-one to achieve opening the cabinet door of a specific key cabinet; Thus, it realizes opening the cabinet door of the corresponding key cabinet by recognizing the face image and recording the lending situation of each key / RF card, greatly improving the degree of intelligence, and the circuit is simple and the cost is low. Description of the Drawings

[0029] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will further explain the present invention in conjunction with the accompanying drawings and embodiments. The accompanying drawings in the following description are only partial embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings:

[0030] Figure 1 is the circuit schematic diagram of the first part of the microcontroller of the intelligent cabinet in the preferred embodiment of the present invention;

[0031] Figure 2 is the circuit schematic diagram of the second part of the microcontroller of the intelligent cabinet in the preferred embodiment of the present invention;

[0032] Figure 3 is the circuit schematic diagram of the third part of the microcontroller of the intelligent cabinet in the preferred embodiment of the present invention;

[0033] Figure 4 is the circuit schematic diagram of the memory chip of the intelligent cabinet in the preferred embodiment of the present invention;

[0034] Figure 5 is the circuit schematic diagram of the flash memory chip of the intelligent cabinet in the preferred embodiment of the present invention;

[0035] Figure 6 is the circuit schematic diagram of the startup mode selection circuit of the intelligent cabinet in the preferred embodiment of the present invention;

[0036] Figure 7 is the circuit schematic diagram of the reset circuit of the intelligent cabinet in the preferred embodiment of the present invention;

[0037] Figure 8 is the circuit schematic diagram of the radio frequency identification module of the intelligent cabinet in the preferred embodiment of the present invention;

[0038] Figure 9 is the circuit schematic diagram of the RS485 transceiver of the intelligent cabinet in the preferred embodiment of the present invention;

[0039] Figure 10 is the circuit schematic diagram of the face recognition camera module of the intelligent cabinet in the preferred embodiment of the present invention;

[0040] Figure 11 is the circuit schematic diagram of the touch display screen of the intelligent cabinet in the preferred embodiment of the present invention;

[0041] Figure 12 is the circuit schematic diagram of the cabinet door opening circuit of the intelligent cabinet in the preferred embodiment of the present invention;

[0042] Figure 13It is the circuit schematic diagram of the Ethernet transceiver of the intelligent cabinet in the preferred embodiment of the present utility model;

[0043] Figure 14 It is the circuit schematic diagram of the Ethernet interface transformer of the intelligent cabinet in the preferred embodiment of the present utility model. Specific embodiments

[0044] In order to make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below. Obviously, the described embodiments are part of the embodiments of the present utility model, rather than all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0045] The intelligent cabinet in the preferred embodiment of the present utility model is as Figure 1 shown, and also refer to Figures 2 to 14 ; It includes multiple radio frequency identification modules M2, a face recognition camera module M1, and a touch display screen LCD1; among them,

[0046] It further includes: multiple key cabinets (not shown in the figure) and multiple cabinet door opening circuits 100. The multiple key cabinets are used to place multiple radio frequency cards (not shown in the figure). The multiple radio frequency cards are placed in the multiple key cabinets one by one. The multiple radio frequency identification modules M2 are used to identify the radio frequency cards in the multiple key cabinets one by one; the multiple cabinet door opening circuits 100 control the opening of the cabinet doors of the multiple key cabinets one by one. The multiple radio frequency cards are fixedly connected to the multiple keys one by one and are bound;

[0047] The face recognition camera module M1 is used to recognize face images, and the touch display screen LCD1 is used for human-computer interaction; the multiple cabinet door opening circuits 100, the multiple radio frequency identification modules M2, the face recognition camera module M1, and the touch display screen LCD1 are all connected to the main control circuit. The main control circuit is also connected to an Ethernet networking circuit, and the Ethernet networking circuit connects the main control circuit to a remote server on the Internet; among them, the touch display screen LCD1 is also used to display the video images captured by the face recognition camera module M1;

[0048] Multiple RF cards are placed one by one in multiple key cabinets to achieve centralized storage of keys / RF cards; multiple RF cards are fixedly connected to and bound with multiple keys one by one for identifying the corresponding keys; the face recognition camera module M1 is used to recognize face images, for opening the cabinet door of the corresponding key cabinet through the face images and recording the lending situation of keys / RF cards; the touch display screen LCD1 is used for human-computer interaction, for example: entering a password to open the cabinet door of the key cabinet and scanning the QR code on the touch display screen LCD1 with a mobile phone to open the cabinet door of the key cabinet; the Ethernet networking circuit connects the main control circuit to a remote server on the Internet to achieve remote monitoring and management; multiple RF identification modules M2 are used to identify the RF cards in multiple key cabinets one by one for RF card verification; multiple cabinet door opening circuits 100 control the opening of the cabinet doors of multiple key cabinets one by one to achieve opening the cabinet door of a specific key cabinet; thereby achieving opening the cabinet door of the corresponding key cabinet by recognizing face images and recording the lending situation of each key / RF card, greatly improving the degree of intelligence, and having a simple circuit and low cost.

[0049] As Figures 1 to 5 shown, the main control circuit includes: microcontrollers (U1A, U1B, U1C), a memory chip U3, and a flash memory chip U4;

[0050] Both the memory chip U3 and the flash memory chip U4 are connected to the microcontrollers (U1A, U1B, U1C). The model of the microcontrollers (U1A, U1B, U1C) is STM32F429IGT6, the model of the memory chip U3 is W9825G6KH, and the model of the flash memory chip U4 is MT29F4G08; the memory chip U3 is used for temporary data exchange to meet the requirements of image processing and display, and the flash memory chip U4 is used for storing UI interface information of the touch display screen LCD1, control programs, etc.

[0051] As Figures 1 to 5As shown, the DQ0, DQ1, DQ2, DQ3, DQ4, DQ5, DQ6, DQ7, DQ8, DQ9, DQ10, DQ11, DQ12, DQ13, DQ14, DQ15, WE, CAS, RAS, CS, A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12 / NC, BA0, BA1, CKE, CLK, and LDQM terminals of the memory chip U3, as well as the UDQM terminal, are connected one-to-one in sequence to the PD14, PD15, PD0, PD1, PE7, PE8, PE9, PE10, PE11, PE12, PE13, PE14, PE15, PD8, PD9, PD10, PC0, PG15, PF11, PC2, PF0, PF1, PF2, PF3, PF4, PF5, PF12, PF13, PF14, PF15, PG0, PG1, PG2, PG4, PG5, PC3, and PG8 terminals, as well as the PE0 and PE1 terminals of the microcontrollers (U1A, U1B, U1C);

[0052] The I / O0, I / O1, I / O2, I / O3, I / O4, I / O5, I / O6, I / O7, CLE, ALE, WE, RE, and CE terminals, as well as the R / B terminal of the flash memory chip U4, are connected one-to-one in sequence to the PD14, PD15, PD0, PD1, PE7, PE8, PE9, PE10, PD11, PD12, PD5, PD4, and PG9 terminals, as well as the PD6 terminal of the microcontrollers (U1A, U1B, U1C); The circuit is simple and the cost is low.

[0053] As Figures 1 to 3 and Figure 6 and Figure 7 As shown, the microcontrollers (U1A, U1B, U1C) are also connected to a boot mode selection circuit 200 and a reset circuit 300;

[0054] The boot mode selection circuit 200 includes: a first resistor R7 and a second resistor R8. The first resistor R7 is connected to the BOOT0 terminal of the microcontrollers (U1A, U1B, U1C), and the second resistor R8 is connected to the PB2 / BOOT1 terminal of the microcontrollers (U1A, U1B, U1C). The other ends of the first resistor R7 and the second resistor R8 are both grounded; It is used to select to boot the microcontrollers (U1A, U1B, U1C) from the flash memory chip U4;

[0055] The reset circuit 300 includes: a third resistor R6, a capacitor C12, and a momentary switch K1. The third resistor R6 is connected to the positive pole of the 3.3V power supply, and the other end is respectively connected to the NRST terminals of the microcontrollers (U1A, U1B, U1C), the capacitor C12, and the momentary switch K1. The other ends of the capacitor C12 and the momentary switch K1 are both grounded; it is used for power-on reset and manual reset of the microcontrollers (U1A, U1B, U1C).

[0056] As Figures 1 to 3 and Figure 8 shown, the model of the radio frequency identification module M2 is M4255-HA;

[0057] The DM terminal and the DP terminal of the radio frequency identification module M2 are connected to the PA11 terminal and the PA12 terminal of the microcontrollers (U1A, U1B, U1C) one-to-one in sequence; it has high stability, low cost, and uses the USB bus for high communication transmission rate, meeting the requirements of video transmission.

[0058] As Figures 1 to 3 and Figure 9 and Figure 10 shown, the microcontrollers (U1A, U1B, U1C) are also connected to an RS485 transceiver U9. The RO terminal of the RS485 transceiver U9 is connected to the PA2 terminal of the microcontrollers (U1A, U1B, U1C), and the DI terminal is connected to the PA4 terminal of the microcontrollers (U1A, U1B, U1C). The RE terminal and the DE terminal of the RS485 transceiver U9 are connected and also connected to the PA3 terminal of the microcontrollers (U1A, U1B, U1C). The A terminal of the RS485 transceiver U9 is connected to a fourth resistor R45, and the other end of the fourth resistor R45 is connected to the B terminal of the RS485 transceiver U9;

[0059] The RS485 transceiver U9 is also connected to multiple face recognition camera modules M1; it realizes TTL to RS485 communication and realizes one-to-many communication.

[0060] As Figure 9 and Figure 10 shown, the model of the face recognition camera module M1 is FM225;

[0061] The 2TXA terminals of multiple face recognition camera modules M1 are connected to the A terminal of the RS485 transceiver U9, and the 2RXB terminals are connected to the B terminal of the RS485 transceiver U9; it realizes one-to-many communication.

[0062] As Figures 1 to 3 and Figure 11 shown, the model of the touch display screen LCD1 is ATK-MD0700R;

[0063] Touch the 6th, 7th, 8th, 9th, 10th, 14th, 15th, 16th, 17th, 18th, 19th, 24th, 25th, 26th, 27th, 28th, 30th, 31st, 32nd, 33rd, 34th, 35th, 36th, 37th, 38th and 39th pins of the touch display LCD1, as well as the 40th pin, which are connected one-to-one to the PH9 terminal, PH10 terminal, PH11 terminal, PH12 terminal, PG6 terminal, PH13 terminal, PH14 terminal, PH15 terminal, PI0 terminal, PI1 terminal, PI2 terminal, PG11 terminal, PI4 terminal, PI5 terminal, PI6 terminal, PI7 terminal, PG7 terminal, PI10 terminal, PI9 terminal, PF10 terminal, PB5 terminal, PI8 terminal, PI3 terminal, PG3 terminal, PH6 terminal and PH7 terminal, as well as the NRST terminal of the microcontroller (U1A, U1B, U1C) in sequence; Using the touch display LCD1 is convenient for operation and greatly improves the degree of intelligence; Among them, the touch display LCD1 is an RGB LCD and an IPS touch display LCD1.

[0064] As Figures 1 to 3 and Figure 12 As shown, the cabinet door opening circuit 100 includes: an electromagnetic lock CN1, a field effect transistor Q1 and a diode D1. The gate of the field effect transistor Q1 is the control end of the cabinet door opening circuit 100 and the source is connected to the positive pole of the 12V power supply. The drain of the field effect transistor Q1 is connected to the positive pole of the electromagnetic lock CN1 and the negative pole of the diode D1. The negative pole of the electromagnetic lock CN1 and the positive pole of the diode D1 are both grounded;

[0065] The control ends of multiple cabinet door opening circuits 100 are connected one-to-one to the remaining unused multiple I / O ends of the microcontroller (U1A, U1B, U1C); The circuit is simple and the cost is low.

[0066] As Figures 1 to 3 and Figure 13 and Figure 14 As shown, the Ethernet networking circuit includes: an Ethernet transceiver U2 and an Ethernet interface transformer RJ45;

[0067] The TD+ terminal, TD- terminal, RD+ terminal, RD- terminal, LED(Y)_A terminal, LED(G)_A terminal of the Ethernet interface transformer RJ45 are connected one-to-one to the TRXP0 terminal, TRXN0 terminal, TRXP1 terminal, TRXN1 terminal, LED1 terminal and LED0 terminal of the Ethernet transceiver U2 in sequence;

[0068] The RXD0 terminal, RXD1 terminal, TXD0 terminal, TXD1 terminal, TX_EN terminal, MDC terminal, MD IO terminal and CRS terminal of the Ethernet transceiver U2 are connected one-to-one to the PC4 terminal, PC5 terminal, PG13 terminal, PG14 terminal, PB11 terminal, PC1 terminal, PA2 terminal and PA7 terminal of the microcontrollers (U1A, U1B, U1C) in sequence; Connecting to the Internet by wire has high stability and low cost.

[0069] It should be understood that those of ordinary skill in the art can make improvements or transformations according to the above description, and all such improvements and transformations should fall within the protection scope of the appended claims of this utility model.

Claims

1. A smart cabinet, comprising a plurality of radio frequency identification modules, a face recognition camera module and a touch display screen; characterized in that: It also includes: a plurality of key cabinets and a plurality of cabinet door opening circuits, wherein the plurality of key cabinets are used to place a plurality of radio frequency cards, the plurality of radio frequency cards are placed one by one in the plurality of key cabinets, and the plurality of radio frequency identification modules are used to identify the radio frequency cards in the plurality of key cabinets one by one; the plurality of cabinet door opening circuits control the opening of the cabinet doors of the plurality of key cabinets one by one, and the plurality of radio frequency cards are fixedly connected to a plurality of keys one by one and bound to each other; The face recognition camera module is used to recognize face images, and the touch display screen is used for human-computer interaction; multiple cabinet door opening circuits, multiple radio frequency identification modules, face recognition camera modules and the touch display screen are all connected to a main control circuit, and the main control circuit is also connected to an Ethernet networking circuit, which connects the main control circuit to a remote server on the Internet.

2. The smart cabinet according to claim 1, characterized in that: The main control circuit includes: a microcontroller, a memory chip and a flash memory chip; The memory chip and the flash memory chip are both connected to the microcontroller, the model of the microcontroller is STM32F429 IGT6, the model of the memory chip is W9825G6KH, and the model of the flash memory chip is MT29F4G08.

3. The smart cabinet according to claim 2, characterized in that: The DQ0 terminal, DQ1 terminal, DQ2 terminal, DQ3 terminal, DQ4 terminal, DQ5 terminal, DQ6 terminal, DQ7 terminal, DQ8 terminal, DQ9 terminal, DQ10 terminal, DQ11 terminal, DQ12 terminal, DQ13 terminal, DQ14 terminal, DQ15 terminal, WE terminal, CAS terminal, RAS terminal, CS terminal, A0 terminal, A1 terminal, A2 terminal, A3 terminal, A4 terminal, A5 terminal, A6 terminal, A7 terminal, A8 terminal, A9 terminal, A10 terminal, A11 terminal, A12 / NC terminal, BA0 terminal, BA1 terminal, CKE terminal, CLK terminal, LDQM terminal and UDQM terminal of the memory chip are sequentially connected to the microcontroller in sequence. PD14 end, PD15 end, PD0 end, PD1 end, PE7 end, PE8 end, PE9 end, PE10 end, PE11 end, PE12 end, PE13 end, PE14 end, PE15 end, PD8 end, PD9 end, PD10 end, PC0 end, PG15 end, PF11 end, PC2 end, PF0 end, PF1 end, PF2 end, PF3 end, PF4 end, PF5 end, PF12 end, PF13 end, PF14 end, PF15 end, PG0 end, PG1 end, PG2 end, PG4 end, PG5 end, PC3 end and PG8 end, PE0 end and PE1 end are connected one by one; The I / O0 terminal, I / O1 terminal, I / O2 terminal, I / O3 terminal, I / O4 terminal, I / O5 terminal, I / O6 terminal, I / O7 terminal, CLE terminal, ALE terminal, WE terminal, RE terminal, CE terminal and R / B terminal of the flash memory chip are connected one-to-one with the PD14 terminal, PD15 terminal, PD0 terminal, PD1 terminal, PE7 terminal, PE8 terminal, PE9 terminal, PE10 terminal, PD11 terminal, PD12 terminal, PD5 terminal, PD4 terminal, PG9 terminal and PD6 terminal of the microcontroller in sequence.

4. The smart cabinet according to claim 2, characterized in that: The microcontroller is also connected to a startup mode selection circuit and a reset circuit; The startup mode selection circuit includes: a first resistor and a second resistor, the first resistor is connected to the BOOT0 terminal of the microcontroller, the second resistor is connected to the PB2 / BOOT1 terminal of the microcontroller, and the other ends of the first resistor and the second resistor are both grounded; The reset circuit includes: a third resistor, a capacitor and a momentary switch, the third resistor is connected to the positive pole of the 3.3V power supply and the other end is respectively connected to the NRST end of the microcontroller and the capacitor and the momentary switch, and the other ends of the capacitor and the momentary switch are grounded.

5. The smart cabinet according to claim 2, characterized in that: The model of the radio frequency identification module is M4255-HA; The DM terminal and the DP terminal of the radio frequency identification module are connected one-to-one with the PA11 terminal and the PA12 terminal of the microcontroller in sequence.

6. The smart cabinet according to claim 2, characterized in that: The microcontroller is also connected to an RS485 transceiver, the RO end of the RS485 transceiver is connected to the PA2 end of the microcontroller and the DI end is connected to the PA4 end of the microcontroller, the RE end of the RS485 transceiver is connected to the DE end and is also connected to the PA3 end of the microcontroller, the A end of the RS485 transceiver is connected to a fourth resistor, and the other end of the fourth resistor is connected to the B end of the RS485 transceiver; The RS485 transceiver is also connected to a plurality of face recognition camera modules.

7. The smart cabinet according to claim 6, characterized in that: The model of the face recognition camera module is FM225; The 2TXA end of the plurality of face recognition camera modules is connected to the A end of the RS485 transceiver and the 2RXB end is connected to the B end of the RS485 transceiver.

8. The smart cabinet according to claim 2, characterized in that: The model of the touch screen is ATK-MD0700R; The 6th pin, the 7th pin, the 8th pin, the 9th pin, the 10th pin, the 14th pin, the 15th pin, the 16th pin, the 17th pin, the 18th pin, the 19th pin, the 24th pin, the 25th pin, the 26th pin, the 27th pin, the 28th pin, the 30th pin, the 31st pin, the 32nd pin, the 33rd pin, the 34th pin, the 35th pin, the 36th pin, the 37th pin, the 38th pin, the 39th pin and the 40th pin of the touch display screen are connected one-to-one with the PH9 terminal, the PH10 terminal, the PH11 terminal, the PH12 terminal, the PG6 terminal, the PH13 terminal, the PH14 terminal, the PH15 terminal, the PI 0 terminal, the PI 1 terminal, the PI2 terminal, the PG11 terminal, the PI4 terminal, the PI5 terminal, the PI 6 terminal, the PI 7 terminal, the PG7 terminal, the PI 10 terminal, the PI9 terminal, the PF10 terminal, the PB5 terminal, the PI8 terminal, the PI 3 terminal, the PG3 terminal, the PH6 terminal, the PH7 terminal and the NRST terminal of the microcontroller in sequence.

9. The smart cabinet according to claim 2, characterized in that: The cabinet door opening circuit comprises: an electromagnetic lock, a field effect tube and a diode, the gate of the field effect tube is the control end of the cabinet door opening circuit and the source is connected to the positive electrode of the 12V power supply, the drain of the field effect tube is connected to the positive electrode of the electromagnetic lock and the negative electrode of the diode, and the negative electrode of the electromagnetic lock and the positive electrode of the diode are both grounded; The control ends of the plurality of cabinet door opening circuits are connected one-to-one with the remaining unused plurality of I / O ends of the microcontroller.

10. The smart cabinet according to claim 2, characterized in that: The Ethernet networking circuit comprises: an Ethernet transceiver and an Ethernet interface transformer; The TD+ terminal, TD- terminal, RD+ terminal, RD- terminal, LED(Y)_A terminal, and LED(G)_A terminal of the Ethernet interface transformer are sequentially connected one-to-one with the TRXP0 terminal, TRXN0 terminal, TRXP1 terminal, TRXN1 terminal, LED1 terminal, and LED0 terminal of the Ethernet transceiver; The RXD0 end, RXD1 end, TXD0 end, TXD1 end, TX_EN end, MDC end, MDIO end and CRS end of the Ethernet transceiver are connected one-to-one with the PC4 end, PC5 end, PG13 end, PG14 end, PB11 end, PC1 end, PA2 end and PA7 end of the microcontroller in sequence.

Images