Oral calculation machine

Abstract

The utility model discloses a oral calculation machine which comprises an oral calculation machine shell and an oral calculation machine control circuit, the oral calculation machine control circuit is arranged in the oral calculation machine shell, and the oral calculation machine control circuit comprises an MCU control module, an input module, a display module, a protection module and a wireless online module. The MCU control module is sequentially connected with the input module, the display module, the protection module and the wireless online module; the input module is used for receiving button input signals of players, the wireless online module is used for receiving online button input signals of online players, and the MCU control module controls the display module to display oral calculation results corresponding to the button input signals in real time; and the MCU control module obtains an online win-lose signal based on the button input signal and the online button input signal, and controls the display module to display a result based on the online win-lose signal. The utility model provides a oral calculation machine which has an answer result timely feedback mechanism and supports a multi-person online battle mode.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of mental arithmetic machines, and particularly relates to a mental arithmetic machine. BACKGROUND

[0002] With the continuous development of educational technology and electronic products, the mental arithmetic machine as an auxiliary learning tool can help improve the mathematical calculation ability of the player; however, most of the mental arithmetic machine products on the current market have some design deficiencies, which limit the educational effect and user experience.

[0003] The existing mental arithmetic machine lacks timely and effective feedback on the user's answer results, which easily affects the long-term use willingness of the user; and the existing mental arithmetic machine is mostly an independent device for single-player single-machine use, and cannot support the online battle mode between multiple people, and the fun of multi-player battle is lost, so there is room for improvement. CONTENT OF THE INVENTION

[0004] In order to provide a mental arithmetic machine which has a timely feedback mechanism for answer results and supports a multi-player online battle mode, the present application provides a mental arithmetic machine.

[0005] The mental arithmetic machine provided by the present application adopts the following technical scheme:

[0006] A mental arithmetic machine comprises a mental arithmetic machine shell and a mental arithmetic machine control circuit, the mental arithmetic machine control circuit is arranged in the mental arithmetic machine shell, the mental arithmetic machine control circuit comprises an MCU control module, an input module, a display module, a protection module and a wireless online module, and the MCU control module is connected with the input module, the display module, the protection module and the wireless online module in sequence.

[0007] The input module is used for receiving a button input signal of a player, the wireless online module is used for receiving an online button input signal of an online player, and the MCU control module controls the display module to display a mental arithmetic result corresponding to the button input signal in real time; the MCU control module obtains an online win-lose signal based on the button input signal and the online button input signal, and controls the display module to display a result based on the online win-lose signal.

[0008] By adopting the technical scheme, the mental arithmetic machine supports single-player single-machine mode and multi-player online battle mode. When there is only single-player single-machine, the player inputs the result of mental arithmetic through the input module, the host control module recognizes the result of mental arithmetic of the player, and feeds back the result to the player in real time through the display module, and the protection module is used for providing leakage protection. The MCU control module of the mental arithmetic machine further burns an online player win / loss judgment rule program. When there is multi-player online battle mode, the result of mental arithmetic can be recognized according to the button input signal of the local player and the online button input signal of other mental arithmetic machines (multi-round mental arithmetic online comparison is supported), and after the win / loss ranking of multiple players is judged, the online win / loss signal is obtained and real-time result display is performed. Therefore, the mental arithmetic machine provided by the application simultaneously has a timely feedback mechanism of an answer and supports multi-player online battle mode.

[0009] Preferably, the mental arithmetic machine control circuit further comprises a charging management module connected with the power supply end of the MCU control module, a power input end of the charging management module is connected with an external power supply, the charging management module is connected with an energy storage battery of the mental arithmetic machine, an input end of a voltage stabilizing output module is connected with the energy storage battery, and an output end of the voltage stabilizing output module is connected with the power supply end of the MCU control module.

[0010] By adopting the technical scheme, the combination of the charging management module and the voltage stabilizing output module enables the mental arithmetic machine to seamlessly switch between the external power supply and the energy storage battery, and provides stable voltage input for the MCU control module, thereby ensuring normal operation of the equipment in different working states.

[0011] Preferably, the mental arithmetic machine control circuit further comprises a power detection module, the power detection module comprises first and second voltage dividing resistors connected in series, one end of the first voltage dividing resistor is connected with the energy storage battery, and a connection node of the first and second voltage dividing resistors is connected with a power detection end of the MCU control module.

[0012] By adopting the technical scheme, the power detection module measures the voltage of the energy storage battery through voltage division, so that the MCU control module can acquire battery power information in real time and realize low power prompt.

[0013] Preferably, the MCU control module is further connected with a buzzer and a program burning interface, and the buzzer outputs a sound signal based on a leakage signal detected by the MCU control module.

[0014] By adopting the technical scheme, the buzzer can issue a sound alarm under specific conditions (such as detection of an abnormal leakage signal), thereby increasing the safety prompt function of human-computer interaction, and the program burning interface facilitates software program burning and firmware updating.

[0015] Preferably, the MCU control module comprises an MCU control chip, a button input end of the MCU control chip is connected with the input module, an LED display end of the MCU control chip is connected with the display module, and a data interaction end of the MCU control chip is connected with the wireless online module.

[0016] By adopting the above technical solution, the button input end of the MCU control chip is connected with the input module, so that the user can be responded immediately after pressing the button, and the LED display end of the MCU control chip is connected with the display module, so that the topic information can be updated on the screen or the answer feedback can be provided, thereby enhancing the participation and learning interest of the user.

[0017] Preferably, the model of the MCU control chip is AD156A.

[0018] By adopting the above technical solution, the high-performance AD156A is selected as the MCU control chip, so that the requirements of quickly responding to the topic generation and answer judgment are ensured.

[0019] Preferably, the input module comprises a first judgment button and a second judgment button, and the first judgment button and the second judgment button are respectively connected with the button input receiving end of the MCU control module.

[0020] By adopting the above technical solution, the first judgment button and the second judgment button are designed to enable the user to directly give the correct or incorrect answer, thereby simplifying the operation steps and reducing the learning cost.

[0021] Preferably, the display module comprises an LCD driver chip and LED indicator lamps, the LCD driver chip is connected with the display control end of the MCU control module, and the LED indicator lamps are provided in plurality, and the plurality of LED indicator lamps are connected with the LED indication control end of the MCU control module.

[0022] By adopting the above technical solution, the LCD driver chip cooperates with the LED indicator lamps, not only providing clear text display, but also conveying more information such as the current mode and the score situation through light changes, so that the interface is more intuitive and friendly.

[0023] Preferably, the model of the LCD driver chip is HT1621BRSZ.

[0024] By adopting the above technical solution, the HT1621BRSZ is a RAM-mapped 32x4 multifunctional LCD driver, supports various types of liquid crystal displays (LCD), can provide clear and stable display effect, integrates necessary control logic and interface circuit, simplifies system design, and has low power consumption characteristics.

[0025] In summary, the present application includes at least one of the following beneficial technical effects:

[0026] 1. The oral arithmetic machine of the present application supports single-player single-machine mode and multi-player online battle mode. When there is only single-player single-machine, the player inputs the result of oral arithmetic through the input module, the main control module recognizes the player's oral arithmetic result, and feeds back to the player in real time through the display module. The MCU control module of the present application also has an online player win / loss judgment rule program burned in. When in multi-player online battle mode, it can recognize the oral arithmetic result according to the button input signal of the local player and the online button input signal of other oral arithmetic machines (supporting multi-round oral arithmetic online comparison), and after judging the win / loss ranking of multiple players, it gets the online win / loss signal and displays the result in real time, so that the present application provides an oral arithmetic machine that simultaneously has a timely feedback mechanism for answer results and supports multi-player online battle mode;

[0027] 2. The design of the first judgment button and the second judgment button allows the user to directly give the correct or incorrect answer, simplifying the operation steps and reducing the learning cost;

[0028] 3. HT1621BRSZ is a RAM-mapped 32x4 multifunctional LCD driver that supports various types of liquid crystal displays (LCDs), can provide clear and stable display effects, integrates necessary control logic and interface circuits, simplifies system design, and has low power consumption characteristics. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 is a circuit diagram of the MCU control module, the input module, the stable voltage output module, the charging management module, and the power supply detection module in the oral arithmetic machine of the present application embodiment.

[0030] Figure 2 is a circuit diagram of the display module and the wireless online module in the oral arithmetic machine of the present application embodiment.

[0031] BRIEF DESCRIPTION OF DRAWINGS

[0032] 1. MCU control module; 2. Input module; 3. Display module; 4. Wireless online module; 5. Stable voltage output module; 6. Charging management module; 7. Power supply detection module. DETAILED DESCRIPTION

[0033] The following will be described in detail in combination with the accompanying Figures 1-2 The present application will be further described in detail.

[0034] The present application embodiment discloses an oral arithmetic machine, which comprises an oral arithmetic machine shell (not shown in the figure) and an oral arithmetic machine control circuit; referring to Figure 1 and Figure 2 , in order to Figure 1 andFigure 2 The circuit diagram shown is an example, the calculator control circuit includes MCU control module 1, input module 2, display module 3, protection module, wireless online module 4, voltage stabilizing output module 5 and the power supply end of MCU control module 1 connected with the charging management module 6, MCU control module 1 is connected with input module 2, display module 3, protection module and wireless online module 4 in turn, input module 2 includes but is not limited to button input form, touch, knob and other signal input trigger mode; Figure 1 Taking the button input form as an example for receiving the button input signal of the player, the protection module (not shown in the figure) is a commonly used circuit leakage protector, which is used to provide leakage protection for the calculator, the wireless online module 4 is used to receive the online button input signal of the online player, the MCU control module 1 controls the display module 3 to display the calculation result corresponding to the button input signal in real time; the MCU control module 1 obtains the online win-lose signal based on the button input signal and the online button input signal, and controls the display module 3 to display the result based on the online win-lose signal. The calculator of the application supports single-player single-machine mode and multi-player online battle mode, that is, it supports single-player single-machine of the player and also supports multi-player wireless online for multi-player battle entertainment.

[0035] The power input end of the charging management module 6 is connected with the external power supply through the USB interface or dry battery, the charging management module 6 is connected with the energy storage battery BT1 of the calculator, the input end of the voltage stabilizing output module 5 is connected with the energy storage battery BT1, and the output end of the voltage stabilizing output module 5 is connected with the power supply end of the MCU control module 1.

[0036] The calculator control circuit further includes a power supply detection module 7, the power supply detection module 7 includes a first voltage dividing resistor R1 and a second voltage dividing resistor R2 connected in series, one end of the first voltage dividing resistor R1 is connected with the energy storage battery BT1, and the connection node of the first voltage dividing resistor R1 and the second voltage dividing resistor R2 is connected with the power supply detection end of the MCU control module 1.

[0037] As shown in Figure 1 The MCU control module 1 is further connected with a buzzer BEEP and a program burning interface CON1, the buzzer BEEP outputs a sound signal based on the leakage signal detected by the MCU control module 1 to realize leakage protection; the MCU control chip U1 includes a MCU control chip U1, the type of the MCU control chip U1 is AD156A; the button input end of the MCU control chip U1 is connected with the input module 2, the LED display end of the MCU control chip U1 is connected with the display module 3, and the data interaction end of the MCU control chip U1 is connected with the wireless online module 4; the input module 2 includes a first judgment button SB1 and a second judgment button SB2, and the first judgment button SB1 and the second judgment button SB2 are respectively connected with the button input receiving end of the MCU control module 1.

[0038] AsFigure 1 and Figure 2 As shown in the figure, the display module 3 includes an LCD driver chip, an LCD display screen and LED indicator lights, the model of the LCD driver chip is HT1621BRSZ; the LCD driver chip is connected with the display control end of the MCU control module 1, and the LED indicator lights are provided with a plurality of LED indicator lights which are connected with the LED indication control end of the MCU control module 1.

[0039] The implementation principle of the mental arithmetic machine according to the embodiment of the application is as follows: in the single machine mode, the MCU control module 1 initializes various hardware modules when the user opens the mental arithmetic machine, and prepares to start a new round of game, the MCU control module 1 generates a mathematical problem randomly according to a preset algorithm and presents it to the player through the LCD display screen, the player submits the answer through the input module 2, the MCU control module 1 quickly judges whether the answer is correct or not, and gives instant feedback through the display module 3 (such as changing the color of the LED or updating the prompt on the LCD), no matter whether the answer is correct or not, the system will automatically enter the next question until the set number of questions is completed or the time limit is reached.

[0040] In the multi-player online mode, the user can search and connect other online players through the wireless online module 4, once the connection is successfully established, both parties will share the same set of rules and question bank, the MCU control module 1 will distribute it to all participating players, each player sees the same question sequence, all players answer the current question at the same time, and their answers will be sent back to the host MCU for processing, based on the answers of all players, the MCU calculates who gives the correct answer first, and determines the win-lose relationship accordingly, the information of the winner will be immediately displayed on the LCD display screen of the display module 3, increasing the competitiveness and interest of the game.

[0041] The above are the preferred embodiments of the application, which do not limit the protection scope of the application, therefore: all equivalent changes made on the structure, shape and principle of the application should be covered within the protection scope of the application.

Claims

1. A mental calculator, comprising a mental calculator housing and a mental calculator control circuit, characterized in that, The computer control circuit is located in the computer housing. The computer control circuit includes an MCU control module (1), an input module (2), a display module (3), a protection module and a wireless connection module (4). The MCU control module (1) is connected to the input module (2), the display module (3), the protection module and the wireless connection module (4) in sequence. The input module (2) is used to receive the button input signal from the player, the wireless connection module (4) is used to receive the connection button input signal from the online player, the MCU control module (1) controls the display module (3) to display the mental calculation result corresponding to the button input signal in real time; the MCU control module (1) obtains the online win / loss signal based on the button input signal and the online button input signal, and controls the display module (3) to display the result based on the online win / loss signal.

2. The mental arithmetic machine according to claim 1, characterized in that, The computer control circuit also includes a voltage regulator output module (5) and a charging management module (6) connected to the power supply terminal of the MCU control module (1). The power input terminal of the charging management module (6) is connected to an external power supply. The charging management module (6) is connected to the computer's energy storage battery. The input terminal of the voltage regulator output module (5) is connected to the energy storage battery. The output terminal of the voltage regulator output module (5) is connected to the power supply terminal of the MCU control module (1).

3. A mental arithmetic machine according to claim 2, characterized in that, The MCU control circuit also includes a power detection module (7), which includes a first voltage divider resistor and a second voltage divider resistor connected in series. One end of the first voltage divider resistor is connected to the energy storage battery, and the connection node between the first voltage divider resistor and the second voltage divider resistor is connected to the power detection terminal of the MCU control module (1).

4. A mental arithmetic machine according to claim 3, characterized in that, The MCU control module (1) is also connected to a buzzer and a program burning interface. The buzzer outputs a sound signal based on the leakage signal detected by the MCU control module (1).

5. A mental arithmetic machine according to claim 1, characterized in that, The MCU control module (1) includes an MCU control chip. The button input terminal of the MCU control chip is connected to the input module (2), the LED display terminal of the MCU control chip is connected to the display module (3), and the data interaction terminal of the MCU control chip is connected to the wireless connection module (4).

6. A mental arithmetic machine according to claim 5, characterized in that, The MCU control chip is model AD156A.

7. A mental arithmetic machine according to claim 1, characterized in that, The input module (2) includes a first judgment button and a second judgment button, and the first judgment button and the second judgment button are respectively connected to the button input receiving terminal of the MCU control module (1).

8. A mental arithmetic machine according to claim 1, characterized in that, The display module (3) includes an LCD driver chip and LED indicators. The LCD driver chip is connected to the display control terminal of the MCU control module (1). Multiple LED indicators are provided, and the multiple LED indicators are connected to the LED indicator control terminal of the MCU control module (1).

9. A mental arithmetic machine according to claim 8, characterized in that, The LCD driver chip is model HT1621BRSZ.

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