Bluetooth cabinet control system

Abstract

A Bluetooth cabinet control system, comprising: a driving module, which comprises a keyboard driving unit (3) used for inputting a signal into a main control module (1), and a door lock driving unit (4) used for driving a cabinet door to open; a communication module, which comprises a Bluetooth unit (5) in communication with a user, and a 4G / 5G unit in communication with a server; a power supply module (2), which converts the same input power source into a power supply source adapted to each module unit; and the main control module (1), which is connected to enabling ends of the other module units and controls, on the basis of operation commands, the enabling of the corresponding module units, wherein the main control module (1) is in a default dormant state, and is woke up by means of the signal inputted by means of the keyboard driving unit (3) or a Bluetooth connection signal of the Bluetooth unit (5). The working situation of each module unit is controlled by means of controlling the enabling of enabling ends, thereby significantly reducing energy consumption.

Description

A Bluetooth cabinet control system Technical Field

[0001] The present invention relates to the technical field of cabinet control, and in particular to a Bluetooth cabinet control system. Background Art

[0002] With the rapid development of express delivery services, a variety of storage and retrieval devices, including smart mailboxes, parcel boxes, and smart express lockers, have emerged on the market. While most express lockers are powered by wired power, these storage and retrieval devices typically rely on mains electricity. In actual deployment, these devices face significant challenges, including high construction, wiring, and electricity costs. Lockers cannot be installed outdoors where wiring is inconvenient, and routine maintenance and inspection of the wiring itself is labor-intensive, posing potential safety risks.

[0003] There are currently express delivery cabinets that replace the mains electricity by adding other energy supply devices. For example, an "energy-saving express delivery cabinet" disclosed in Chinese patent documents, with publication number CN112396770A, includes a base, a cabinet body is fixedly installed in the middle of the upper end of the base, and several groups of cabinet doors are movably connected to the front end of the cabinet body. An arc-shaped plate is fixedly installed on the middle side of the upper left part and the middle side of the upper right part of the cabinet body. A sunshade energy supply device is provided on the upper part of the opposing surfaces of the two arc-shaped plates. A water storage device is provided at the upper rear end of the sunshade energy supply device. An expansion and extrusion device is provided on the middle side of the rear end of the cabinet body. A rolling device is provided on the opposing surfaces of the two groups of fixed plates. A limited position stabilization device is provided on the opposing surfaces of the two groups of fixed blocks. Although the power supply of the wired power supply can be replaced by an additional energy supply device, the added structure is complex and the cost is high.

[0004] In addition, today's express lockers are usually equipped with communication modules, which use 4G or even 5G modules. The power consumption of 4G / 5G modules accounts for a large proportion. Operations during access and communications for daily maintenance will cause a large amount of energy consumption, which poses a great challenge to express locker devices that are not powered by mains electricity.

[0005] Summary of the Invention

[0006] The present invention mainly solves the problems of inconvenient installation of mains power supply, complex structure and high cost of solar power supply in the existing technology; it provides a Bluetooth cabinet control system designed around Bluetooth low power consumption, which uses fewer batteries to achieve longer battery life without affecting user use, and achieves extremely high cost performance.

[0007] The above technical problems of the present invention are mainly solved by the following technical solutions:

[0008] A Bluetooth cabinet control system, comprising:

[0009] The drive module includes a keyboard drive unit that inputs signals to the main control module and a door lock drive unit that drives the cabinet door to open;

[0010] Communication module, including a Bluetooth unit for communicating with users and a 4G / 5G unit for communicating with servers;

[0011] The power supply module converts the same input power into power supply suitable for each module unit;

[0012] The main control module is connected to the enable terminals of other module units and controls the corresponding module units to enable according to the operation commands;

[0013] The main control module is in sleep mode by default and is awakened by a typing signal from the keyboard drive unit or a Bluetooth connection signal from the Bluetooth unit.

[0014] This solution controls the operation of each module unit by controlling the enabling end, greatly reducing energy consumption. Designed around Bluetooth low energy consumption, it uses less battery to achieve longer battery life without affecting user experience, achieving extremely high cost-effectiveness.

[0015] Preferably, the power supply module includes:

[0016] The standby power supply circuit converts the input power into driving power for the active module, Bluetooth unit and keyboard driver unit; the communication power supply circuit converts the input power into driving power for the 4G / 5G unit;

[0017] The unlocking power supply circuit converts the input power into a driving power supply for driving the door lock to unlock, and is connected to each door lock drive unit respectively;

[0018] The standby power supply circuit is in a permanent working state, and the communication power supply circuit and the unlocking power supply circuit work according to corresponding control commands after the main control module wakes up.

[0019] Design multiple power supply circuits to start under different working conditions, greatly reducing standby and working consumption.

[0020] As a preferred embodiment, when the Bluetooth cabinet is in standby mode, the main control module is in a dormant state, and the Bluetooth module broadcasts periodically, waiting for connection;

[0021] After a key input or Bluetooth connection, the main control module wakes up. The Bluetooth cabinet is in working state;

[0022] When the main control module requests to communicate with the server, the main control module outputs an enable control signal to control the communication power supply circuit to be enabled, and the 4G / 5G unit is powered on and works. After the communication is completed or the rated time is reached, the communication power supply circuit is turned off;

[0023] When the main control module outputs the unlock command, the unlock power supply circuit is controlled to be enabled. After the corresponding door lock is driven to unlock by the unlock control command, the unlock power supply circuit is turned off.

[0024] Design the power supply mode in standby state and working state to significantly reduce the power consumption in standby and working state.

[0025] Preferably, the input signal output terminal of the keyboard drive unit is connected to the key signal input terminal of the main control module; the key drive enable signal output terminal of the main control module is connected to the enable terminal of the keyboard drive unit; the enable terminal of the keyboard drive unit is also connected to the energy storage capacitor C1.

[0026] The energy consumption of the enable pin of the keyboard drive unit accounts for more than 50% of the energy consumption of the driver chip. In order to further reduce energy consumption, energy storage capacitor C1 is used to store energy. The energy storage capacitor C1 is charged regularly to ensure that the keyboard drive unit is in an active state, greatly reducing the system standby current.

[0027] Preferably, each module unit is arranged on the same circuit board; the physical keyboard is separated from the keyboard driver unit. The MCU main chip is on the same circuit board, and the physical keyboard is separated from the driver chip to avoid interference caused by long-distance IIC communication.

[0028] Preferably, the Bluetooth unit and the 4G / 5G unit are selectively operated. When accessing items via Bluetooth, the 4G / 5G unit is not turned on, and interaction with the server is carried out via the mobile phone app's wireless network, which can reduce the power consumption of the Bluetooth cabinet. Only after the keyboard access is completed will the 4G / 5G unit be turned on to report the access information to the server.

[0029] Preferably, the communication enable output terminal of the main control module is connected to the enable terminal of the Bluetooth unit; the communication enable output terminal of the main control module is connected to the enable terminal of the 4G / 5G unit through a NOT gate. The selection of one of the Bluetooth unit and the 4G / 5G unit is achieved through hardware.

[0030] Preferably, an unlocking selection logic module is provided between the unlocking command output terminal of the main control module and the enabling terminal of each door lock driving unit; and the corresponding door lock driving unit is enabled according to the door lock number of the unlocking command.

[0031] Preferably, the door lock selection logic module includes two 38 decoders and several AND gates; the output ends of the two 38 decoders are conveniently combined as the input ends of the AND gates, and the output ends of the AND gates are connected to the enable ends of the corresponding door lock drive units.

[0032] The outputs of two 38 decoders are connected in pairs to form an output matrix, and the corresponding door locks are driven to unlock by combining different pins with the gate.

[0033] The beneficial effects of the present invention are:

[0034] 1. It is designed mainly around Bluetooth low power consumption, which uses less battery to achieve longer battery life without affecting user usage, and achieves extremely high cost performance.

[0035] 2. By controlling the enable of the enable terminal to control the working conditions of each module unit, energy consumption is greatly reduced.

[0036] 3. Design multiple power supply circuits to start under different working conditions, greatly reducing standby and working consumption.

[0037] 4. The MCU main chip is on the same circuit board, and the physical keyboard is separated from the driver chip to avoid interference caused by long-distance IIC communication.

[0038] 5. When accessing items via Bluetooth, the 4G / 5G unit is not turned on, and the interaction with the server is done via the wireless network of the mobile phone APP, which reduces the power consumption of the Bluetooth cabinet. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] FIG1 is a connection block diagram of a Bluetooth cabinet control system of the present invention.

[0040] FIG2 is a keyboard connection block diagram of the present invention.

[0041] FIG3 is a power supply block diagram of a main control board of the present invention.

[0042] In the picture, 1. Main control module, 2. Power supply module, 3. Keyboard drive unit, 4. Door lock drive unit, 5. Bluetooth unit, 6. 4G / 5G unit. DETAILED DESCRIPTION

[0043] The technical solution of the present invention will be further specifically described below through embodiments and in conjunction with the accompanying drawings.

[0044] Example 1:

[0045] A Bluetooth cabinet control system of this embodiment, as shown in Figure 1, includes a main control module 1, a power supply module 2, a keyboard drive unit 3, a door lock drive unit 4, a Bluetooth unit 5 and a 4G / 5G unit 6.

[0046] The power supply module 2 converts the same input power into a power supply adapted to each module unit; in this embodiment, the input 12V power is converted into a driving power adapted to each module and connected to the power supply end of each module unit.

[0047] The main control module 1 is connected to the enabling ends of the keyboard drive unit 3 and the door lock drive unit 4 respectively; the main control module 1 is also communicatively connected to the Bluetooth unit 5 and the 4G / 5G unit 6 respectively.

[0048] The main control module 1 is in a dormant state by default and is awakened by a key input signal from the keyboard drive unit 3 or a Bluetooth connection signal from the Bluetooth unit 5 .

[0049] In this embodiment, the main control module 1 is an MCU chip. The specific circuit connection structure is shown in Figures 2 and 3. Each module unit is arranged on the same circuit board; the physical keyboard is separated from the keyboard drive unit 3.

[0050] The MCU main chip is on the same circuit board, and the physical keyboard is separated from the driver chip to avoid interference caused by long-distance IIC communication.

[0051] The keyboard drive unit 3 transmits keystroke signals to the main control module 1. The keystroke signal output terminal of the keyboard drive unit 3 is connected to the keystroke signal input terminal of the main control module 1. The key drive enable signal output terminal of the main control module 1 is connected to the enable terminal of the keyboard drive unit 3; the enable terminal of the keyboard drive unit 3 is also connected to the energy storage capacitor C1.

[0052] The energy consumption of the enable pin of the keyboard drive unit 3 accounts for more than 50% of the energy consumption of the driver chip. In order to further reduce energy consumption, the energy storage capacitor C1 is used to store energy. The energy storage capacitor C1 is charged regularly to ensure that the keyboard drive unit 3 is in an active state, which greatly reduces the system standby current.

[0053] The keyboard drive unit 3 is a low-power circuit, but when a key is pressed, the keyboard drive unit 3 outputs a key-in signal to the main control module 1 to wake up the main control module 1.

[0054] The power supply module of this embodiment includes a standby power supply circuit, a communication power supply circuit and an unlocking power supply circuit.

[0055] The standby power supply circuit converts the input power into driving power for the main control module 1 , the Bluetooth unit 5 and the keyboard driving unit 3 .

[0056] In this embodiment, the standby power supply circuit includes a 12V to 3.3V DC / DC conversion chip, and the 3.3V driving power output by the 12V to 3.3V DC / DC conversion chip supplies power to the main control module 1, the Bluetooth unit 5 and the keyboard drive unit 3 respectively.

[0057] The communication power supply circuit converts the input power into a driving power supply for the 4G / 5G unit 5 .

[0058] In this embodiment, the communication power supply circuit includes a 12V to 3.7V DC / DC conversion chip, and the enable end of the 12V to 3.7V DC / DC conversion chip is connected to the communication power supply control end of the main control module 1; the 3.7V power supply output by the 12V to 3.7V DC / DC conversion chip powers the 4G / 5G unit 6.

[0059] The unlocking power supply circuit converts the input power into a driving power for driving the door lock to unlock, and is connected to each door lock driving unit 4 respectively.

[0060] In this embodiment, several door lock drive units 4 are included, each corresponding to a cabinet door. The unlocking power supply circuit includes a 12V to 5V DC / DC converter chip; the 5V power output from the 12V to 5V DC / DC converter chip powers each door lock drive unit 4.

[0061] In the solution of this embodiment, the standby power supply circuit is in a permanent working state, and the communication power supply circuit and the unlocking power supply circuit work according to corresponding control commands after the main control module wakes up.

[0062] When the Bluetooth cabinet is in standby mode, the main control module is in dormant mode, and the Bluetooth module broadcasts periodically, waiting for connection.

[0063] After a key input or Bluetooth connection, the main control module wakes up and the Bluetooth cabinet is in working state; when the main control module requests to communicate with the server, the main control module outputs an enable control signal to control the communication power supply circuit to be enabled, and the 4G / 5G unit is powered on and works. After the communication is completed or the rated time is reached, the communication power supply circuit is turned off.

[0064] When the main control module outputs the unlock command, the unlock power supply circuit is controlled to be enabled. After the corresponding door lock is driven to unlock by the unlock control command, the unlock power supply circuit is turned off.

[0065] Design the power supply mode in standby state and working state to significantly reduce the power consumption in standby and working state.

[0066] The solution of this embodiment is designed mainly around Bluetooth low energy consumption. Without affecting user use, it uses less battery to achieve longer battery life and achieves extremely high cost performance. By controlling the enablement of the enable terminal to control the working conditions of each module unit, energy consumption is greatly reduced. Multiple power supply circuits are designed to start under different working conditions, which greatly reduces the consumption of standby and working. The MCU main chip is on the same circuit board, and the physical keyboard and driver chip are separated to avoid interference caused by long-distance IIC communication.

[0067] Example 2:

[0068] The operation process of a Bluetooth cabinet control system in this embodiment is as follows:

[0069] 1. Turn on the Bluetooth cabinet, and after the initialization process, it will enter the sleep state and wait to be woken up.

[0070] 1) Initialization parameters.

[0071] Initialize the program parameters in the Bluetooth cabinet.

[0072] 2) Initialize the Bluetooth connection.

[0073] The Bluetooth unit 5 is turned on, broadcasts once at a rated time, and waits for the host to connect. In this embodiment, the Bluetooth unit 5 operates in a slave mode, broadcasts once per second, and waits for the host to connect.

[0074] 3) Initialize the communication module.

[0075] Turn on the 4G / 5G unit 6 and detect whether there is offline data in the cache area. If there is offline data, send the offline data; otherwise, send the Bluetooth cabinet status data to the server and enter the sleep state.

[0076] If the offline data is sent successfully, the Bluetooth cabinet status data is sent to the server and then enters the sleep state; otherwise, it enters the sleep state directly.

[0077] In this embodiment, since the communication module uses 4G / 5G, the power consumption of the module accounts for a large proportion of the total power consumption of the device, so the Bluetooth cabinet adopts HTTP transmission mode to reduce the working time of the module.

[0078] The power of the 4G / 5G unit 6 is turned on only when critical data needs to be transmitted, and packet transmission is adopted during the transmission process to minimize the number of packets and time of transmission.

[0079] After each data transmission, the power supply of the 4G / 5G unit 6 will be immediately cut off. If the 4G / 5G unit 6 takes more than 3 minutes to complete the data transmission due to unsatisfactory network conditions, the Bluetooth cabinet will forcibly shut down the 4G module power supply and store the unreported data in the offline buffer, waiting to report the data to the server the next time it wakes up.

[0080] 2. Wake up the Bluetooth cabinet through Bluetooth connection or keyboard input to deliver or pick up the package; after picking up the package, the 4G / 5G unit 6 of the Bluetooth cabinet exchanges data with the server.

[0081] A1. Use a mobile terminal to connect to the Bluetooth cabinet via Bluetooth.

[0082] In this embodiment, the mobile terminal is a mobile phone, and the courier connects to the Bluetooth cabinet via the Bluetooth of the mobile phone.

[0083] A2. Perform authentication.

[0084] If the authentication is successful, the Bluetooth cabinet compartment will be opened, the courier will put the package in, and generate a pickup code for the Bluetooth cabinet;

[0085] If the authentication fails, the Bluetooth connection is disconnected and the Bluetooth cabinet enters sleep mode.

[0086] A3. The generated pickup code is sent to the server via the mobile terminal, and the server sends the pickup code to the corresponding user terminal.

[0087] A4. After delivery is completed, the Bluetooth connection is disconnected and the Bluetooth cabinet enters sleep mode.

[0088] The courier interacts with the Bluetooth cabinet via low-power Bluetooth. The generated pickup code is sent to the server through the courier's terminal, and the server then sends it to the user, reducing the energy consumption of the Bluetooth cabinet without affecting normal operation.

[0089] Pickup methods include keyboard typing pickup, Bluetooth connection pickup, and 4G / 5G unit remote pickup.

[0090] When accessing items via Bluetooth, the 4G / 5G unit 6 is not turned on, and the interaction with the server goes through the wireless network of the mobile phone APP to reduce the power consumption of the Bluetooth cabinet. Only after the keyboard access is completed will the 4G / 5G unit 6 be turned on to report the access information to the server.

[0091] The keyboard pickup process includes:

[0092] B1. The user presses a button to wake up the Bluetooth cabinet and enters the pickup code.

[0093] B2. If the pickup code is entered successfully, the Bluetooth cabinet opens the corresponding compartment, deletes the pickup code, and sends the unpacking information to the server via the 4G / 5G unit 6;

[0094] If the pickup code fails to be entered, the Bluetooth cabinet will enter sleep mode.

[0095] B3. If the unpacking information is sent successfully, the Bluetooth cabinet turns off the 4G / 5G unit 6 and enters the sleep state; if the unpacking information fails to be sent, the unpacking information is stored in the cache as offline data and the 4G / 5G unit 6 is turned off, and the Bluetooth cabinet enters the sleep state.

[0096] Only after the keyboard pickup is completed will the 4G / 5G unit 6 be turned on to report the pickup information to the server, thereby reducing the energy consumption of the 4G / 5G unit 6.

[0097] The Bluetooth connection pickup process includes:

[0098] C1. The user terminal wakes up the Bluetooth cabinet via Bluetooth connection.

[0099] In this embodiment, the user terminal is a mobile phone, and the user's mobile phone uses an APP to connect to the Bluetooth cabinet via Bluetooth; after the connection is established, the Bluetooth cabinet is automatically awakened.

[0100] C2. If there is pickup information on the user terminal, the pickup operation is started; if there is no pickup information on the user terminal, the Bluetooth connection is disconnected and the Bluetooth cabinet enters a sleep state.

[0101] The user can check whether there is any information about items to be picked up through the APP. If so, click to pick up the items, and the Bluetooth cabinet will pop open the corresponding door for the user to pick up the items. If not, the Bluetooth cabinet will enter sleep mode.

[0102] C3. After the pickup is completed, the Bluetooth cabinet clears the pickup code, the user terminal sends a pickup completion message to the server, and the Bluetooth cabinet enters sleep mode.

[0103] Report the pickup completion information to the server through the user's mobile phone APP.

[0104] The user interacts with the Bluetooth cabinet via Bluetooth and uses the user's terminal to interact with the server, reducing the activation and use of the 4G / 5G unit 6 and reducing energy consumption.

[0105] The 4G / 5G unit 6 remote pickup process includes:

[0106] D1. The user obtains and enters the wake-up code through the keyboard.

[0107] Only when the Bluetooth function of the user's mobile terminal is lost and the pickup code is forgotten, can the 4G / 5G unit 6 be used for remote pickup, and the wake-up code can be obtained by contacting customer service by phone.

[0108] Press the numeric keypad on the Bluetooth cabinet to wake up the Bluetooth cabinet and enter the wake-up code.

[0109] D2. The Bluetooth cabinet establishes a connection with the server through the 4G / 5G unit 6.

[0110] D3. The server sends an unpacking command to the Bluetooth cabinet. After unpacking is completed and the pickup code is cleared, the Bluetooth cabinet enters sleep mode.

[0111] The server automatically sends an unpacking command and an updated 4G wake-up code to the Bluetooth cabinet; the Bluetooth cabinet opens the corresponding cabinet door, clears its own pickup code, and goes to sleep.

[0112] 3. The Bluetooth cabinet enters sleep mode according to the Bluetooth status, button status and 4G / 5G unit 6 status.

[0113] The conditions for the Bluetooth cabinet to enter sleep mode are:

[0114] When the Bluetooth is not connected and the 4G / 5G unit 6 is not turned on, if there is no typing on the keyboard for more than a first rated time, the Bluetooth cabinet enters a sleep state.

[0115] When the 4G / 5G unit 6 is not turned on and the Bluetooth is connected, if the Bluetooth is not operated for more than the second rated time and the keyboard is not typed for more than the first rated time, the Bluetooth cabinet enters the sleep state.

[0116] When the Bluetooth is not connected and the 4G / 5G unit 6 is turned on, if the data has been sent or has not been sent for more than the third rated time, and there is no typing on the keyboard for more than the first rated time, the Bluetooth cabinet enters the sleep state.

[0117] In this embodiment, the first rated time is 10 seconds, the second rated time is 30 seconds, and the third rated time is 3 minutes; the Bluetooth cabinet is in a deep sleep state most of the time to reduce energy consumption.

[0118] The Bluetooth cabinet of this embodiment is in deep sleep most of the time and wakes up only when the user needs to operate it; generally, low-power Bluetooth is used for data interaction between the user and the Bluetooth cabinet, or the user's mobile terminal is used to interact with the server, and the 4G / 5G unit 6 is used only for the transmission of important data. Without affecting the user's use, less battery is used to achieve longer battery life, thereby improving cost performance.

[0119] Implementation three:

[0120] A Bluetooth cabinet control system of this embodiment optimizes the working modes of the Bluetooth unit 5 and the 4G / 5G unit 6.

[0121] Either the Bluetooth unit 5 or the 4G / 5G unit 6 operates.

[0122] The communication enable output terminal of the main control module 1 is connected to the enable terminal of the Bluetooth unit 5; the communication enable output terminal of the main control module 1 is connected to the enable terminal of the 4G / 5G unit 6 after passing through a NOT gate.

[0123] The selection between Bluetooth unit and 4G / 5G unit is realized through hardware.

[0124] When accessing items via Bluetooth, the 4G / 5G unit is not turned on, and the interaction with the server is through the wireless network of the mobile phone APP, which can reduce the power consumption of the Bluetooth cabinet. Only after the keyboard access is completed will the 4G / 5G unit be turned on to report the access information to the server.

[0125] The solution of this embodiment only optimizes the working modes of the Bluetooth unit 5 and the 4G / 5G unit 6, and other contents are the same as those of the first embodiment.

[0126] Example 4:

[0127] In a Bluetooth cabinet control system of this embodiment, an unlocking selection logic module is provided between the unlocking command output terminal of the main control module 1 and the enabling terminal of each door lock driving unit 4 .

[0128] Enable the corresponding door lock drive unit according to the door lock number of the unlock command.

[0129] The door lock selection logic module of this embodiment includes two 38 decoders and several AND gates.

[0130] The output ends of the two 38 decoders are conveniently combined as input ends of an AND gate, and the output ends of the AND gate are connected to the enable end of the corresponding door lock drive unit.

[0131] The outputs of two 38 decoders are connected in pairs to form an output matrix, and the corresponding door locks are driven to unlock by combining different pins with the gate.

[0132] It should be understood that the embodiments are only used to illustrate the present invention and are not intended to limit the scope of the present invention. In addition, it should be understood that after reading the content taught by the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope limited by the appended claims of the application.

Claims

1. A Bluetooth cabinet control system, characterized in that: include: A drive module, including a keyboard drive unit for inputting signals to the main control module and a door lock drive unit for driving the cabinet door to open; Communication module, including a Bluetooth unit for communicating with users and a 4G / 5G unit for communicating with servers; The power supply module converts the same input power into power supply suitable for each module unit; The main control module is connected to the enable terminals of other module units and controls the corresponding module units to enable according to the operation commands; The main control module is in sleep mode by default and is awakened by a typing signal from the keyboard drive unit or a Bluetooth connection signal from the Bluetooth unit.

2. A Bluetooth cabinet control system according to claim 1, characterized in that: The power supply module comprises: The standby power supply circuit converts the input power into the driving power of the main control module, the Bluetooth unit and the keyboard driving unit; Communication power supply circuit, converting input power into 4G / 5G unit driving power; The unlocking power supply circuit converts the input power into a driving power supply for driving the door lock to unlock, and is connected to each door lock driving unit respectively; The standby power supply circuit is in a permanent working state, and the communication power supply circuit and the unlocking power supply circuit work according to corresponding control commands after the main control module is awakened.

3. A Bluetooth cabinet control system according to claim 1 or 2, characterized in that: When the Bluetooth cabinet is in standby mode, the main control module is in sleep mode, and the Bluetooth module broadcasts periodically, waiting for connection; After a key input or Bluetooth connection, the main control module wakes up and the Bluetooth cabinet is in working state; When the main control module requests to communicate with the server, the main control module outputs an enable control signal to control the communication power supply circuit to be enabled, and the 4G / 5G unit is powered on and works. After the communication is completed or the rated time is reached, the communication power supply circuit is turned off; When the main control module outputs an unlock command, the unlock power supply circuit is controlled to be enabled, and after the corresponding door lock is driven to unlock by the unlock control command, the unlock power supply circuit is turned off and enabled.

4. A Bluetooth cabinet control system according to claim 1 or 2, characterized in that: The input signal output terminal of the keyboard drive unit is connected to the key signal input terminal of the main control module; the key drive enable signal output terminal of the main control module is connected to the enable terminal of the keyboard drive unit; the enable terminal of the keyboard drive unit is also connected to a storage capacitor C1.

5. A Bluetooth cabinet control system according to claim 4, characterized in that: Each module unit is arranged on the same circuit board; the physical keyboard is separated from the keyboard drive unit.

6. A Bluetooth cabinet control system according to claim 1 or 2, characterized in that: The Bluetooth unit and the 4G / 5G unit selectively work.

7. A Bluetooth cabinet control system according to claim 6, characterized in that: The communication enable output terminal of the main control module is connected to the enable terminal of the Bluetooth unit; the communication enable output terminal of the main control module is connected to the enable terminal of the 4G / 5G unit after passing through a NOT gate.

8. A Bluetooth cabinet control system according to claim 3, characterized in that: An unlocking selection logic module is arranged between the unlocking command output terminal of the main control module and the enabling terminal of each door lock driving unit; the corresponding door lock driving unit is enabled according to the door lock number of the unlocking command.

9. A Bluetooth cabinet control system according to claim 8, characterized in that: The door lock selection logic module includes two 38 decoders and a plurality of AND gates; the output ends of the two 38 decoders are conveniently combined as input ends of the AND gates, and the output ends of the AND gates are connected to the enable ends of the corresponding door lock drive units.

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