Bidirectional remote control system

Abstract

The utility model discloses a bidirectional remote control system, which comprises a power supply module for supplying power to the whole control system, and further comprises a key circuit which is at least provided with a key switch and is used for generating a corresponding control instruction according to the key switch pressed by a user; the radio frequency circuit is configured with functions of sending a control signal and receiving a feedback signal; the display circuit is used for displaying the working state and working parameters of the external electronic product; the main control chip is electrically connected with the key circuit, the radio frequency circuit, the display circuit and the power supply module; wherein the main control chip is configured to generate a corresponding signal instruction according to a control instruction sent by the key circuit, send a control signal through the radio frequency circuit so as to control an external electronic product, and / or receive a feedback signal from the external electronic product so as to generate a corresponding display signal and transmit the display signal to the display circuit. Through the above design, the bidirectional control function and the display function of external electronic products can be realized.

Description

Technical Field

[0001] The utility model relates to the technical field of remote control, in particular to a two-way remote control system. Background Art

[0002] As an indispensable electronic product in our current life, the remote control can usually be used to remotely control 3C electronic consumer products. However, most of the remote controls on the market do not have two-way control and display functions, making it impossible to observe the current working status and working parameters of the electronic products in real time.

[0003] Therefore, the above problems need to be solved urgently. Utility Model Content

[0004] In order to solve the technical defects mentioned in the above background technology, the purpose of the utility model is to provide a two-way remote control system, which can perform two-way control functions and display functions on external electronic products.

[0005] The utility model adopts the following technical solutions:

[0006] A two-way remote control system, comprising a power module for supplying power to the entire control system, and further comprising:

[0007] A key circuit, having at least one key switch, for generating corresponding control instructions according to the key switch pressed by the user;

[0008] A radio frequency circuit, configured with functions of sending control signals and receiving feedback signals;

[0009] Display circuit, used to display the working status and working parameters of external electronic products;

[0010] The main control chip is electrically connected to the key circuit, the radio frequency circuit, the display circuit and the power module; wherein the main control chip is configured to: generate corresponding signal instructions according to the control instructions sent by the key circuit and send control signals through the radio frequency circuit to control external electronic products, and / or receive feedback signals from external electronic products to generate corresponding display signals and transmit them to the display circuit.

[0011] Optionally, the radio frequency circuit includes:

[0012] A radio frequency chip, wherein pin 1 of the radio frequency chip is configured as a voltage input interface, pin 2 of the radio frequency chip is electrically connected to pin 9 of the main control chip, pin 3 is electrically connected to pin 10 of the main control chip, pin 4 is electrically connected to pin 11 of the main control chip, pin 5 is electrically connected to pin 12 of the main control chip, pin 6 is electrically connected to pin 13 of the main control chip, pin 7 is electrically connected to pin 16 of the main control chip, and pin 8 is grounded;

[0013] A first resistor, wherein one end of the first resistor is electrically connected to pin 1 of the RF chip, and the other end of the first resistor is electrically connected to the power module.

[0014] Optionally, the display circuit includes:

[0015] The display circuit comprises:

[0016] An OLED connector, wherein pin 1 of the OLED connector is electrically connected to pin 24 of the main control chip, pin 2 is electrically connected to pin 23 of the main control chip, pin 3 is electrically connected to the OLED display screen, and pin 4 is grounded; wherein the OLED connector is used to receive a display signal transmitted by the main control chip and send it to the OLED display screen to display the working parameters and / or working status of the external electronic product;

[0017] A second resistor, one end of which is electrically connected to pin 3 of the OLED connector, and the other end of which is electrically connected to the OLED display screen.

[0018] Optionally, the key circuit includes:

[0019] A first button, one end of which is electrically connected to the 8-pin of the main control chip, and the other end of which is grounded;

[0020] A second button, one end of which is electrically connected to pin 19 of the main control chip, and the other end of which is grounded;

[0021] A third button, one end of which is electrically connected to pin 14 of the main control chip, and the other end of which is grounded;

[0022] The fourth button has one end electrically connected to the pin 15 of the main control chip and the other end grounded.

[0023] Optionally, a vibration feedback circuit is further included, and the vibration feedback circuit includes:

[0024] A MOS tube, wherein the source of the MOS tube is electrically connected to the power module, and the gate is electrically connected to the 28th pin of the main control chip;

[0025] A vibration motor, wherein pin 1 of the vibration motor is electrically connected to the drain of the MOS tube, and pin 2 of the vibration motor is grounded; wherein the vibration motor is used to vibrate according to the vibration instruction transmitted by the main control chip;

[0026] A filter capacitor, one end of which is electrically connected to the drain of the MOS tube, and the other end of which is grounded.

[0027] Optionally, the model of the main control chip is STM32G031 G8U6.

[0028] In summary, the beneficial effects of the utility model are:

[0029] By setting a key circuit, a control instruction can be generated after the user presses the key switch. By setting the main control chip to receive and transmit the control instruction to the radio frequency circuit, the control signal can be sent to the external electronic product through the radio frequency circuit, so that the external electronic product can be controlled. At the same time, the radio frequency circuit can receive feedback signals from the external electronic product. The feedback signal can be the working status or working parameters of the external electronic product. After the radio frequency circuit receives the feedback signal, it can be transmitted to the main control chip, so that a corresponding display signal can be generated to the display circuit. The display circuit displays through an OLED display screen, so that the user can observe the working status of the external electronic product and its internal parameters.

[0030] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the present invention more obvious and easy to understand, the following preferred embodiments are specifically cited and described in detail with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 This is a schematic diagram of the main control chip of an embodiment of the utility model;

[0032] Figure 2 It is a schematic diagram of a radio frequency circuit of an embodiment of the utility model;

[0033] Figure 3 It is a schematic diagram of a display circuit of an embodiment of the utility model;

[0034] Figure 4 It is a schematic diagram of a vibration feedback circuit of an embodiment of the utility model;

[0035] Figure 5 It is a schematic diagram of a key circuit of an embodiment of the utility model.

[0036] Explanation of the reference numerals in the figure: 1. button circuit; 2. radio frequency circuit; 3. display circuit; 4. vibration feedback circuit; U1. main control chip; P1. radio frequency chip; R10. first resistor; J1. OLED connector; R1. second resistor; SW1. first button; SW2. second button; SW3. third button; SW4. fourth button; Q3. MOS tube; JP1. vibration motor; C1. filter capacitor. DETAILED DESCRIPTION

[0037] In order to make the content of the utility model more clearly understood, the utility model is further described below based on specific embodiments in combination with the accompanying drawings.

[0038] It should be noted that the terms "center", "upper", "lower", "front", "back", "left", "right", "inner", "outer" and the like used herein to indicate directions or positional relationships are based on directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present invention. Unless otherwise specified, "plurality" means two or more.

[0039] Unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood by specific circumstances.

[0040] like Figures 1 to 5 As shown, an embodiment of the present application provides a two-way remote control system, including a power module for supplying power to the entire control system and further comprising:

[0041] The key circuit 1 has at least one key switch, which is used to generate corresponding control instructions according to the key switch pressed by the user; the radio frequency circuit 2 is configured with the functions of sending control signals and receiving feedback signals; the display circuit 3 is used to display the working status and working parameters of the external electronic product; the main control chip U1 is electrically connected to the key circuit 1, the radio frequency circuit 2, the display circuit 3 and the power module; wherein the main control chip U1 is configured to: generate corresponding signal instructions according to the control instructions sent by the key circuit 1 and send control signals through the radio frequency circuit 2 to control the external electronic product, and / or receive feedback signals from the external electronic product to generate corresponding display signals and transmit them to the display circuit 3.

[0042] In the embodiment of the present application, the key circuit 1 includes at least one key switch, specifically, 4 key switches. After the key is pressed, it forms contact with the PCB board, so that the corresponding control instruction can be generated according to the case switch pressed by the user, so that the control instruction that the user wants to send can be sent to the main control chip U1. The main control chip U1 is converted, where it should be noted that the model of the main control chip U1 is STM32G031 G8U6, so that the corresponding signal instruction can be generated. The main control chip U1 is electrically connected to the RF circuit 2, so that the signal instruction can be transmitted to the RF circuit 2. At the same time, since the RF circuit 2 has the function of sending control signals and receiving feedback signals, the RF circuit 2 sends control signals to control external electronic products, thereby realizing the control of external electronic products. At the same time, the RF circuit 2 can receive feedback signals while controlling external electronic products. Since the main control chip U1 is electrically connected to the key circuit 1, the RF circuit 2, the display circuit 3 and the power module, it can generate corresponding display signals after receiving the feedback signal and transmit them to the display circuit 3, and the working status and working parameters of the external electronic products are displayed through the display circuit 3, thereby realizing two-way control.

[0043] Optional, such as Figure 2 As shown, the RF circuit 2 includes: an RF chip P1, pin 1 of the RF chip P1 is configured as a voltage input interface, pin 2 of the RF chip P1 is electrically connected to pin 9 of the main control chip U1, pin 3 is electrically connected to pin 10 of the main control chip U1, pin 4 is electrically connected to pin 11 of the main control chip U1, pin 5 is electrically connected to pin 12 of the main control chip U1, pin 6 is electrically connected to pin 13 of the main control chip U1, pin 7 is electrically connected to pin 16 of the main control chip U1, and pin 8 is grounded; a first resistor R10, one end of which is electrically connected to pin 1 of the RF chip P1, and the other end is electrically connected to the power module.

[0044] In this embodiment, the RF circuit 2 includes a RF chip P1, which can be an RF module. The chip has 8 pins, wherein 1 pin is configured as a voltage input interface, and 1 pin is electrically connected to the power module, so that the RF chip P1 can be powered. At the same time, the RF chip P1 is electrically connected to the main control chip U1, so that the control signal transmitted by the main control chip U1 can be sent to the external electronic product through the RF chip P1, so that the electronic product can be controlled. At the same time, when the RF chip P1 controls the external electronic product, it will return a feedback signal, and the RF chip P1 can receive the feedback signal and send it to the main control chip U1, so that it can be converted into a corresponding display signal through the main control chip U1 and transmitted to the display circuit 3, so that it can be sent to the display screen through the display circuit 3, so that the working status and working parameters of the external electronic product can be displayed.

[0045] Furthermore, the first resistor R10 can be a 0 ohm resistor, one end of which is electrically connected to pin 1 of the RF chip P1, and the other end is electrically connected to the voltage output port of the power module, so that the voltage of the power module is transmitted to pin 1 of the RF chip P1.

[0046] Optional, such as Figure 3 As shown, the display circuit 3 includes: an OLED connector J1, wherein pin 1 is electrically connected to pin 24 of the main control chip U1, pin 2 is electrically connected to pin 23 of the main control chip U1, pin 3 is electrically connected to the OLED display screen, and pin 4 is grounded; wherein the OLED connector J1 is used to receive a display signal transmitted by the main control chip U1 and send it to the OLED display screen to display the operation or status of an external electronic product; a second resistor R1, one end of which is electrically connected to pin 3 of the OLED connector J1, and the other end of which is electrically connected to the OLED display screen.

[0047] In the embodiment of the present application, the OLED connector J1 is connected to an OLED display screen. Specifically, pin 1 of the OLED connector J1 is electrically connected to pin 24 of the main control chip U1, pin 2 is electrically connected to pin 23 of the main control chip U1, pin 3 is electrically connected to the OLED display screen, and pin 4 is grounded. After receiving the display signal transmitted by the main control chip U1, the OLED connector J1 sends the display signal to the OLED display screen for display, so that its working status or working parameters (such as volume, whether recording, current power, etc.) can be displayed; further, a second resistor R1 is set at pin 3 of the OLED connector J1, and the other end of the second resistor R1 is electrically connected to the OLED display screen, so that the display signal transmitted by the main control chip U1 can be displayed through the above scheme, which is convenient for users to observe.

[0048] Optional, such as Figure 5 As shown, the key circuit 1 includes: a first key SW1, one end of which is electrically connected to the 8th pin of the main control chip U1, and the other end is grounded; a second key SW2, one end of which is electrically connected to the 19th pin of the main control chip U1, and the other end is grounded; a third key SW3, one end of which is electrically connected to the 14th pin of the main control chip U1, and the other end is grounded; a fourth key SW4, one end of which is electrically connected to the 15th pin of the main control chip U1, and the other end is grounded.

[0049] like Figure 5 As shown, in the embodiment of the present application, the key circuit 1 includes 4 keys, the first key SW1 and the second key SW2 are connected in series, the third key SW3 and the fourth key SW4 are connected in series, one end of the first key SW1 is electrically connected to the 8th pin of the main control chip U1, and the other end is grounded, so that the first key SW1 can send a control instruction to the main control chip U1; one end of the second key SW2 is electrically connected to the 19th pin of the main control chip U1, and the other end is grounded, so that the second key SW2 can send a control instruction to the main control chip U1; the third key SW3 and the fourth key SW4 are connected in series, and the first key SW1 ... One end of SW3 is electrically connected to pin 14 of the main control chip U1, and the other end is grounded, so that the third button SW3 can send a control instruction to the main control chip U1; one end of the fourth button SW4 is electrically connected to pin 15 of the main control chip U1, and the other end is grounded, so that the fourth button SW4 can send a control instruction to the main control chip U1; through the above scheme, the button instructions generated after each button is pressed can be converted into signal instructions through the main control chip U1, and sent to external electronic products through the radio frequency circuit 2, so that the external electronic products of the controller can be controlled to work.

[0050] Optional, such as Figure 4 As shown, it also includes a vibration feedback circuit 4, which includes: a MOS tube Q3, a source of which is electrically connected to the power module, and a gate of the MOS tube Q3 is electrically connected to the 28-pin of the main control chip U1; a vibration motor JP1, a pin 1 of which is electrically connected to the drain of the MOS tube Q3, and a pin 2 of the vibration motor JP1 is grounded; wherein the vibration motor JP1 is used to vibrate according to the vibration instruction transmitted by the main control chip U1; a filter capacitor C1, one end of which is electrically connected to the 2-pin of the MOS tube Q3, and the other end is grounded.

[0051] In the embodiment of the present application, the vibration feedback circuit 4 is used to generate vibration after the first button SW1, the second button SW2, the third button SW3 and the fourth button SW4 are pressed, so as to provide a better user experience; specifically, the key circuit 1 is electrically connected to the vibration feedback circuit 4, and a control instruction sent by the key circuit 1 is sent to the main control chip U1, so that the vibration instruction is transmitted to the vibration feedback circuit 4 through the 28 pin of the main control chip U1, so that the vibration motor JP1 can vibrate, the 1 pin of the MOS tube Q3 is electrically connected to the power module, and the gate of the MOS tube Q3 is electrically connected to the 28 pin of the main control chip U1; wherein, the model of the MOS tube Q3 can be S I2301 or A03401, which is a P-channel MOS tube and has a parasitic diode. By setting the MOS tube Q3, a control switch function can be formed, and it can also be used as a current amplifier, so as to generate current drive for the vibration motor JP1. The embodiments of this specific implementation are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto, and the same components are represented by the same figure marks. Therefore, any equivalent changes made based on the structure, shape, and principle of this application should be included in the protection scope of this application.

Claims

1. A two-way remote control system, comprising a power module for supplying power to the entire control system, characterized in that: Also includes: A key circuit, having at least one key switch, for generating corresponding control instructions according to the key switch pressed by the user; A radio frequency circuit, configured with functions of sending control signals and receiving feedback signals; Display circuit, used to display the working status and working parameters of external electronic products; The main control chip is electrically connected to the key circuit, the radio frequency circuit, the display circuit and the power module; wherein the main control chip is configured to: generate corresponding signal instructions according to the control instructions sent by the key circuit and send control signals through the radio frequency circuit to control external electronic products, and / or receive feedback signals from external electronic products to generate corresponding display signals and transmit them to the display circuit.

2. A two-way remote control system according to claim 1, characterized in that: The radio frequency circuit comprises: A radio frequency chip, wherein pin 1 of the radio frequency chip is configured as a voltage input interface, pin 2 of the radio frequency chip is electrically connected to pin 9 of the main control chip, pin 3 is electrically connected to pin 10 of the main control chip, pin 4 is electrically connected to pin 11 of the main control chip, pin 5 is electrically connected to pin 12 of the main control chip, pin 6 is electrically connected to pin 13 of the main control chip, pin 7 is electrically connected to pin 16 of the main control chip, and pin 8 is grounded; A first resistor, wherein one end of the first resistor is electrically connected to pin 1 of the RF chip, and the other end of the first resistor is electrically connected to the power module.

3. A two-way remote control system according to claim 1, characterized in that: The display circuit comprises: An OLED connector, wherein pin 1 of the OLED connector is electrically connected to pin 24 of the main control chip, pin 2 is electrically connected to pin 23 of the main control chip, pin 3 is electrically connected to the OLED display screen, and pin 4 is grounded; wherein the OLED connector is used to receive a display signal transmitted by the main control chip and send it to the OLED display screen to display the working parameters and / or working status of the external electronic product; A second resistor, one end of which is electrically connected to pin 3 of the OLED connector, and the other end of which is electrically connected to the OLED display screen.

4. A two-way remote control system according to claim 1, characterized in that: The key circuit comprises: A first button, one end of which is electrically connected to the 8-pin of the main control chip, and the other end of which is grounded; A second button, one end of which is electrically connected to pin 19 of the main control chip, and the other end of which is grounded; A third button, one end of which is electrically connected to pin 14 of the main control chip, and the other end of which is grounded; The fourth button has one end electrically connected to the pin 15 of the main control chip and the other end grounded.

5. A two-way remote control system according to claim 1, characterized in that: It also includes a vibration feedback circuit, the vibration feedback circuit including: A MOS tube, wherein the source of the MOS tube is electrically connected to the power module, and the gate is electrically connected to the 28th pin of the main control chip; A vibration motor, wherein pin 1 of the vibration motor is electrically connected to the drain of the MOS tube, and pin 2 of the vibration motor is grounded; wherein the vibration motor is used to vibrate according to the vibration instruction transmitted by the main control chip; A filter capacitor, one end of which is electrically connected to the drain of the MOS tube, and the other end of which is grounded.

6. A two-way remote control system according to claim 1, characterized in that: The model of the main control chip is STM32G031 G8U6.

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