Mahjong machine remote control system

Abstract

The utility model provides a remote control system for a mahjong machine, which solves the problems of single communication control mode and the like of the mahjong machine and comprises an MCU (Microprogrammed Control Unit) module, the MCU module is connected with a display module, a communication module and a power supply module, the communication module is provided with a Bluetooth communication unit, a WIFI (Wireless Fidelity) communication unit and a 4G (Fourth Generation) communication unit, and the power supply module is provided with an onboard battery and a control switch. And the MCU module is an MCU unit U1 of an ESP32-C3 type. The system has the advantages of good communication control effect, stable operation and the like.

Description

Technical Field

[0001] The utility model belongs to the technical field of automatic mahjong machines, and particularly relates to a remote control system for mahjong machines. Background Art

[0002] With the improvement of the intelligent level, existing automatic mahjong machines gradually adopt automatic control. When a customer needs to use it, they can scan the QR code on the mahjong machine with WeChat or Alipay, and the mahjong machine can be automatically turned on; after use, the customer pays the bill / room fee on the mobile phone by themselves, and after successful payment, the system automatically turns off the power supply of the mahjong machine. This way of using mobile phone scanning code to control the power-on time of the mahjong machine enables the chess and card room to achieve an automatic billing and unattended self-service business model, greatly reducing the labor cost input of the chess and card room. However, in the actual use process, the existing communication control method of the automatic mahjong machine is relatively single, and its communication stability is poor, resulting in signal loss problems, which affects the daily remote management of the automatic mahjong machine.

[0003] In order to solve the deficiencies of the existing technology, people have carried out long-term explorations and proposed various solutions. For example, a Chinese patent document discloses a remote control system and method for an intelligent mahjong machine [202310980827.2], which includes a remote control center and at least one mahjong machine. Each mahjong machine has a mahjong machine main board and a control panel. The remote control center is bidirectionally interconnected with a wireless communication unit arranged on the control panel, and the wireless communication unit is connected to an MCU unit, and the MCU unit is connected to the mahjong machine main board.

[0004] The above solution solves the problem of remote control of the mahjong machine to a certain extent, but this solution still has many deficiencies, such as a single control communication method and poor control stability. Summary of the Invention

[0005] The purpose of the utility model is to provide a remote control system for a mahjong machine with reasonable design and good communication control stability in view of the above problems.

[0006] To achieve the above purpose, the utility model adopts the following technical scheme: A remote control system for a mahjong machine includes an MCU module, which is connected to a display module, a communication module, and a power module. The communication module has a Bluetooth communication unit, a WIFI communication unit, and a 4G communication unit. The power module has an on-board battery and a control switch. The MCU module selects an MCU unit U1 of the ESP32-C3 model.

[0007] In the above remote control system for a mahjong machine, the MCU unit U1 is connected to capacitors C9 and C10 connected in parallel to the ground. Resistors R3 and capacitor C11 are connected between capacitors C9 and C10 and the MCU unit U1. The MCU unit U1 is connected to capacitor C22 and resistor R2.

[0008] In the above-mentioned remote control system for a mahjong machine, the Bluetooth communication unit includes an interface ANT1 connected to the MCU unit U1, and an inductor L9 is connected between the interface ANT1 and the MCU unit U1.

[0009] In the above-mentioned remote control system for a mahjong machine, the WIFI communication unit includes a crystal oscillator X1 connected to the MCU unit U1, and the crystal oscillator X1 is connected with capacitors C5, C6 and an inductor L1.

[0010] In the above-mentioned remote control system for a mahjong machine, the 4G communication unit includes a wireless communication chip U2A, and the wireless communication chip U2A is of the EC800G-CN model, and the wireless communication chip U2A is connected with capacitors C1, C2, C3, C4 in parallel.

[0011] In the above-mentioned remote control system for a mahjong machine, the power module includes a charging management chip U8 and a buck-boost chip U10. The charging management chip U8 is of the TP4056 model, and the buck-boost chip U10 is of the TPS63020DSJR model; the on-board battery is of the 18650 model, and the power module is equipped with a charging interface X2.

[0012] In the above-mentioned remote control system for a mahjong machine, the display module includes a key control unit, a screen display unit and an indicator light group.

[0013] In the above-mentioned remote control system for a mahjong machine, the key control unit includes a register U7. The register U7 is of the 74HC165 model. The register U5 is connected with a capacitor C21 and is connected with keys S1-S8 through resistors R45-R52.

[0014] In the above-mentioned remote control system for a mahjong machine, the indicator light group includes indicator lights LED3-LED6 connected to resistors R41-R44.

[0015] In the above-mentioned remote control system for a mahjong machine, the screen display unit includes a color screen digital tube DS1, and the color screen digital tube DS1 is equipped with registers U5, U6 of the 74HC595 model.

[0016] Compared with the existing technology, the advantages of the present utility model are as follows: The MUC module supports multiple communication methods and can flexibly switch the control mode of the mahjong machine, thereby improving the remote control stability of the mahjong machine; the display module adopts key control and is equipped with a color screen digital tube and indicator lights, which can comprehensively display the working states of each mahjong machine, facilitating overall management; the power module has an on-board battery, which can still maintain the communication control of the mahjong machine in the power-off state. Description of the Drawings

[0017] Figure 1is the structural schematic diagram of the present utility model;

[0018] Figure 2 is the circuit schematic diagram of the communication module of the present utility model;

[0019] Figure 3 is the circuit schematic diagram of the 4G communication unit of the present utility model;

[0020] Figure 4 is the circuit schematic diagram of the power supply module of the present utility model;

[0021] Figure 5 is the circuit schematic diagram of the display module of the present utility model;

[0022] Figure 6 is the circuit schematic diagram of the screen display unit of the present utility model;

[0023] In the figure, there are MCU module 1, display module 2, button control unit 21, screen display unit 22, indicator light group 23, communication module 3, Bluetooth communication unit 31, WIFI communication unit 32, 4G communication unit 33, power supply module 4, on-board battery 41, and control switch 42. Specific embodiments

[0024] The following further describes the present utility model in detail with reference to the accompanying drawings and specific embodiments.

[0025] As Figures 1-6 shown, a remote control system for a mahjong machine includes an MCU module 1. The MCU module 1 is connected to a display module 2, a communication module 3, and a power supply module 4. The communication module 3 has a Bluetooth communication unit 31, a WIFI communication unit 32, and a 4G communication unit 33. The power supply module 4 has an on-board battery 41 and a control switch 42. The MCU module 1 selects an MCU unit U1 of the ESP32-C3 model, which supports flexible switching of different communication units. When the mahjong machine is in the attended state, the MCU module 1 can directly control the start and stop of each mahjong machine main board; when the mahjong machine is in the unattended state, the management personnel remotely manage the MCU module 1 through the communication module 3, or the external platform automatically controls the mahjong machine. Among them, the display module 2 supports the mode switching of this control system; when the mahjong machine is in the attended state, the management personnel directly control the mahjong machine through the MCU module 1 and can flexibly switch the control mode according to actual needs.

[0026] Specifically, the MCU unit U1 is connected to capacitors C9 and C10 in parallel and grounded to ensure stable power supply. Resistors R3 and capacitor C11 are connected between capacitors C9 and C10 and the MCU unit U1, and the MCU unit U1 is connected to capacitor C22 and resistor R2. The MCU unit U1 of the ESP32-C3 model has low power consumption. Its connected Bluetooth communication unit 31 and WIFI communication unit 32 share an antenna and can expand their interfaces to connect external sensors according to actual needs to realize online monitoring of the working state of the mahjong machine.

[0027] In depth, the Bluetooth communication unit 31 includes an interface ANT1 connected to the MCU unit U1, and an inductor L9 is connected between the interface ANT1 and the MCU unit U1; the WIFI communication unit 32 includes a crystal oscillator X1 connected to the MCU unit U1, and capacitors C5, C6 and inductor L1 are connected to the crystal oscillator X1. The Bluetooth communication unit 31 and the WIFI communication unit 32 are mainly used for short-range communication to realize the communication control of the mahjong machines inside the store by the front desk of the chess and card room.

[0028] Furthermore, the 4G communication unit 33 includes a wireless communication chip U2A. The wireless communication chip U2A is of the EC800G-CN model and integrates multiple industrial standard interfaces to realize long-distance control of the mahjong machine based on the 4G network. Capacitors C1, C2, C3 and C4 are connected in parallel to the wireless communication chip U2A. Managers connect to the application program built into the mobile terminal through the 4G communication unit 33, and then realize remote management of the mahjong machine in the unmanned state, or rely on an external server to perform unmanned automatic management of the mahjong machine.

[0029] In addition, the power module 4 can control the power on and off of the main board of the mahjong machine in the power-off state, including a charging management chip U8 and a buck-boost chip U10. The charging management chip U8 is of the TP4056 model, and its charging voltage is fixed at 4.2V, and the charging current is adjusted according to an external resistor. The charging management chip U8 is equipped with a red and blue dual-color charging status indicator. The buck-boost chip U10 is of the TPS63020DSJR model for voltage conversion; the on-board battery 41 is of the 18650 model, and the power module 4 is equipped with a charging interface X2.

[0030] At the same time, the display module 2 includes a key control unit 21, a screen display unit 22 and an indicator light group 23. The operator adjusts the parameters of each mahjong machine through the key control unit 21 and the screen display unit 22, and the indicator light group 23 therein real-time feedbacks the operating state of the mahjong machine.

[0031] Visibly, the button control unit 21 includes a register U7, and the register U7 is of the model 74HC165. The register U5 is connected with a capacitor C21 and is connected with buttons S1 - S8 through resistors R45 - R52. The operator makes inputs through the button control unit 21, and the screen display unit 22 gives operation feedback.

[0032] Obviously, the indicator light group 23 includes indicator lights LED3 - LED6 connected with resistors R41 - R44. The indicator lights LED3 - LED6 are usually blue indicator lights and remain constantly on.

[0033] Preferably, the screen display unit 22 includes a color screen digital tube DS1. The color screen digital tube DS1 is equipped with registers U5 and U6 of the model 74HC595. The color screen digital tube DS1 is a common cathode digital tube. Among them, the register U5 is connected with a banker lamp to indicate the state of the mahjong table, and the screen display unit 22 is also equipped with corresponding reset indicator lights.

[0034] In summary, the principle of this embodiment is that the operator remotely controls the MCU module 1 through the communication module 3, so as to perform unmanned management on each mahjong machine. Among them, the communication module 3 has multiple communication methods such as a Bluetooth communication unit 31, a WIFI communication unit 32, and a 4G communication unit 33. The MCU module 1 supports communication mode switching to improve the monitoring stability of the mahjong machine in the unattended state.

[0035] The specific embodiments described herein are merely illustrative of the spirit of the present invention. Those skilled in the art to which the present invention pertains can make various modifications or supplements to the described specific embodiments or use similar ways to substitute, but will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

[0036] Although terms such as the MCU module 1, the display module 2, the button control unit 21, the screen display unit 22, the indicator light group 23, the communication module 3, the Bluetooth communication unit 31, the WIFI communication unit 32, the 4G communication unit 33, the power supply module 4, the on - board battery 41, and the control switch 42 are used more frequently in this article, the possibility of using other terms is not excluded. Using these terms is only to more conveniently describe and explain the essence of the present invention; interpreting them as any additional limitation is contrary to the spirit of the present invention.

Claims

1. A remote control system for a mahjong machine, comprising an MCU module (1), wherein the MCU module (1) is connected to a display module (2), a communication module (3) and a power module (4), and wherein: The communication module (3) comprises a Bluetooth communication unit (31), a WIFI communication unit (32) and a 4G communication unit (33); the power module (4) comprises an onboard battery (41) and a control switch (42); the MCU module (1) comprises an MCU unit U1 of the ESP32-C3 model; the 4G communication unit (33) comprises a wireless communication chip U2A, and the wireless communication chip U2A comprises an EC800G-CN model.

2. A mahjong machine remote control system according to claim 1, characterized in that: The MCU unit U1 is connected to capacitors C9 and C10 connected in parallel to the ground. A resistor R3 and a capacitor C11 are connected between the capacitors C9 and C10 and the MCU unit U1. The MCU unit U1 is connected to a capacitor C22 and a resistor R2.

3. A mahjong machine remote control system according to claim 1, characterized in that: The Bluetooth communication unit (31) comprises an interface ANT1 connected to the MCU unit U1, and an inductor L9 is connected between the interface ANT1 and the MCU unit U1.

4. A mahjong machine remote control system according to claim 1, characterized in that: The WIFI communication unit (32) comprises a crystal oscillator X1 connected to the MCU unit U1, and the crystal oscillator X1 is connected to capacitors C5 and C6 and an inductor L1.

5. A mahjong machine remote control system according to claim 1, characterized in that: The wireless communication chip U2A is connected to capacitors C1, C2, C3, and C4 in parallel.

6. A mahjong machine remote control system according to claim 1, characterized in that: The power module (4) comprises a charging management chip U8 and a buck-boost chip U10, wherein the charging management chip U8 is of the TP4056 model, and the buck-boost chip U10 is of the TPS63020DSJR model; the onboard battery (41) is of the 18650 model, and the power module (4) is equipped with a charging interface X2.

7. A mahjong machine remote control system according to claim 1, characterized in that: The display module (2) comprises a button control unit (21), a screen display unit (22) and an indicator light group (23).

8. A remote control system for a mahjong machine according to claim 7, characterized in that: The key control unit (21) comprises a register U7, wherein the register U7 is a 74HC165 model, and the register U5 is connected to a capacitor C21 and is connected to keys S1-S8 via resistors R45-R52.

9. A remote control system for a mahjong machine according to claim 7, characterized in that: The indicator light group (23) comprises indicator lights LED3-LED6 connected to resistors R41-R44.

10. A remote control system for a mahjong machine according to claim 7, characterized in that: The screen display unit (22) comprises a color screen digital tube DS1, and the color screen digital tube DS1 is equipped with 74HC595 model registers U5 and U6.

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