Low-power-consumption standby circuit for treadmill

Abstract

The utility model provides a low-power-consumption standby circuit for a treadmill, and relates to the field of treadmills, the low-power-consumption standby circuit for the treadmill comprises a power supply, a key module, an on-off detection circuit, an amplifier, a triode, an MCU and an output end, and the MCU is connected with a motor through the output end. The on-off detection circuit detects signals of the key module, when the key module is pressed down, the signals are amplified through the amplifier and the triode and then sent to the MCU, the MCU controls the motor through the output end, and when the on-off detection circuit is not pressed down, the on-off detection circuit enters the standby state. The circuit of the utility model is simple and has low energy consumption.

Description

Technical Field

[0001] This application relates to the field of treadmills, and more particularly, to a low-power standby circuit for a treadmill. Background Art

[0002] Currently, the general treadmill is controlled by buttons to turn on and off. When the power is not turned off and it is not used for a long time, it still consumes power. Therefore, it is necessary to design a standby circuit suitable for a treadmill. Summary of the Invention

[0003] The purpose of the embodiments of this application is to provide a low-power standby circuit for a treadmill, which can solve the above technical problems.

[0004] The embodiments of this application provide a low-power standby circuit for a treadmill, including a power supply, a button module, a power-on / off detection circuit, an amplifier, a triode, an MCU, and an output terminal. The power supply is connected to one end of the button module, the other end of the button module is electrically connected to the input terminal of the power-on / off detection circuit, the output terminal of the power-on / off detection circuit is connected to the positive input terminal of the amplifier, the negative input terminal of the amplifier is grounded, the output terminal of the amplifier is connected to the b-pole of the triode, the e-pole of the triode is connected to the power supply, the c-pole of the triode is grounded, the c-pole of the triode is connected to the MCU, and the MCU is connected to the motor through the output terminal.

[0005] Preferably, the power-on / off detection circuit includes diode D1 and diode D2. The input terminal of diode D1 is electrically connected to the output terminal of the button module, the output terminal of diode D1 is connected to the input terminal of diode D2, and the input terminal of diode D2 is grounded.

[0006] Preferably, the triode is a control adjustment tube.

[0007] Preferably, the output voltage of the power supply is +5V and +15V.

[0008] Preferably, the button module is a touch switch.

[0009] Preferably, the model of the MCU is AM1805.

[0010] Advantages of the Utility Model:

[0011] A low-power standby circuit for a treadmill provided by the utility model includes a power supply, a key module, a power-on / off detection circuit, an amplifier, a triode, an MCU, and an output terminal. The power supply is connected to one end of the key module, the other end of the key module is electrically connected to the input terminal of the power-on / off detection circuit, the output terminal of the power-on / off detection circuit is connected to the positive input terminal of the amplifier, the negative electrode of the input terminal of the amplifier is grounded, the output terminal of the amplifier is connected to the b pole of the triode, the e pole of the triode is connected to the power supply, the c pole of the triode is grounded, the c pole of the triode is connected to the MCU, and the MCU is connected to the motor through the output terminal. When the key module is not pressed in the utility model, it enters the standby state. The power-on / off detection circuit of the utility model detects the signal of the key module. When pressed, the signal is amplified by the amplifier and the triode, and then sent to the MCU. The MCU controls the motor through the output terminal. When not pressed in the utility model, it enters the standby state, and the circuit of the utility model is simple and has low energy consumption. Brief Description of the Drawings

[0012] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present application and should not be regarded as limiting the scope. For those of ordinary skill in the art, other related drawings can be obtained based on these drawings without creative efforts.

[0013] Figure 1 It is the circuit diagram of the utility model. Detailed Embodiments

[0014] To make the objectives, technical solutions, and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are some, but not all, of the embodiments of the present application. Usually, the components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations.

[0015] Therefore, the detailed description of the embodiments of the present application provided in the drawings below is not intended to limit the scope of the present application to be protected, but only represents the selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present application.

[0016] It should be noted that like reference numerals and letters refer to like items in the following figures. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0017] In the description of the present application, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the figures, or the orientation or positional relationship in which the product of this application is customarily placed during use. It is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation on the present application. In addition, the terms "first", "second", "third", etc. are only used for distinguishing descriptions and cannot be construed as indicating or implying relative importance.

[0018] Furthermore, the terms "horizontal", "vertical", "overhanging", etc. do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0019] In the description of the present application, it should also be noted that unless otherwise clearly specified and limited, the terms "set", "install", "connect", "couple" 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 directly connected or indirectly connected through an intermediate medium, and can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0020] Such as Figure 1As shown in the figure, a low-power standby circuit for a treadmill includes a power supply, a key module, a power-on / off detection circuit, an amplifier, a triode, an MCU, and an output terminal. The power supply is connected to one end of the key module. The other end of the key module is electrically connected to the input terminal of the power-on / off detection circuit. The output terminal of the power-on / off detection circuit is connected to the positive input terminal of the amplifier. The negative terminal of the input terminal of the amplifier is grounded. The output terminal of the amplifier is connected to the base of the triode. The emitter of the triode is connected to the power supply. The collector of the triode is grounded. The collector of the triode is connected to the MCU. The MCU is connected to the motor through the output terminal. When the key module is not pressed in the present invention, it enters the standby state. The power-on / off detection circuit of the present invention detects the signal of the key module. When pressed, the signal is amplified through the amplifier and the triode, and then sent to the MCU. The MCU controls the motor through the output terminal. When not pressed in the present invention, it enters the standby state, and the circuit of the present invention is simple and has low energy consumption.

[0021] In this embodiment, the power-on / off detection circuit includes diode D1 and diode D2. The input terminal of diode D1 is electrically connected to the output terminal of the key module. The output terminal of diode D1 is connected to the input terminal of diode D2. The input terminal of diode D2 is grounded. The triode is a control and adjustment tube.

[0022] The reference voltage is determined by two diodes D1 and D2. The amplifier amplifies the error between the power-on / off detection circuit and VOUT, and makes VOUT equal to VREF by controlling the current of the control and adjustment tube PM1.

[0023] In this embodiment, the output voltages of the power supply are +5V and +15V, and a voltage stabilizing and step-down circuit can be set between the power supply and the key module.

[0024] In this embodiment, the key module is a touch switch. Specifically, it can be selected according to requirements.

[0025] In this embodiment, the model of the MCU is AM1805.

[0026] The above is only the preferred embodiment of the present application and is not used to limit the present application. For those skilled in the art, the present application can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A low-power standby circuit for a treadmill, characterized in that: It includes a power supply, a key module, a power-on / off detection circuit, an amplifier, a triode, an MCU, and an output terminal. The power supply is connected to one end of the key module. The other end of the key module is electrically connected to the input terminal of the power-on / off detection circuit. The output terminal of the power-on / off detection circuit is connected to the positive input terminal of the amplifier. The negative terminal of the input terminal of the amplifier is grounded. The output terminal of the amplifier is connected to the b pole of the triode. The e pole of the triode is connected to the power supply. The c pole of the triode is grounded. The c pole of the triode is connected to the MCU. The MCU is connected to the motor through the output terminal.

2. The low-power standby circuit for a treadmill according to claim 1, wherein: The power-on / off detection circuit includes diode D1 and diode D2. The input terminal of diode D1 is electrically connected to the output terminal of the key module. The output terminal of diode D1 is connected to the input terminal of diode D2. The input terminal of diode D2 is grounded.

3. The low-power standby circuit for a treadmill according to claim 1, wherein: The triode is a control adjustment tube.

4. The low-power standby circuit for a treadmill according to claim 1, wherein: The output voltage of the power supply is +5V and +15V.

5. The low-power standby circuit for a treadmill according to claim 1, characterized in that: The key module is a touch switch.

6. The low-power standby circuit for a treadmill according to claim 1, characterized in that: The model of the MCU is AM1805.

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