Household intelligent treadmill control circuit
By designing an intelligent control circuit including Hall sensor, control circuit, drive circuit and power supply components in the treadmill, the problem of unstable motor speed under different weight conditions in the existing treadmill is solved, and the stability of the speed and the user experience are improved.
Patent Information
- Application Number
- CN202422086273.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-27
- Publication Date
- 2025-06-10
- Estimated Expiration
- 2034-08-27
AI Technical Summary
The feedback circuit of existing treadmills is complex, resulting in unstable motor speed under different weight conditions.
A home intelligent treadmill control circuit is designed, using Hall sensors, control circuits, drive circuits and power supply components. The high and low levels of the motor are detected through Hall sensors, and the rotation rate is adjusted by using the power control module. The AD acquisition module collects the bus voltage and current of the motor, and adjusts the rotation speed through the logic control module to prevent external interference.
The motor speed stability is achieved under different weight conditions, avoiding speed fluctuations caused by weight changes, and improving the treadmill experience.
Smart Images

Figure CN222966909U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of control circuits, and more particularly, to a control circuit for a household intelligent treadmill. Background Art
[0002] Currently, treadmills are generally driven by motors. When the motor is driving, if a feedback circuit is not added, due to the user's weight, there will be problems of increasing or decreasing rotational speed. The current feedback circuits are relatively complex, so improvements are needed. Summary of the Invention
[0003] The purpose of the embodiments of this application is to provide a control circuit for a household intelligent treadmill, which can solve the above technical problems.
[0004] The embodiments of this application provide a control circuit for a household intelligent treadmill, including a Hall sensor, a control circuit, a drive circuit, and a power supply component. The control circuit includes a power conversion module, a power control module, an AD acquisition module, a logic control module, and an input / output module. The Hall sensor is installed in the motor and is connected to the input / output module. The input end of the power conversion module is electrically connected to the power supply component, and the output end of the power conversion module is respectively connected to the power control module, the AD acquisition module, and the logic control module. The power control module and the AD acquisition module are both connected to the logic control module. The output end of the logic control module is connected to the motor through the drive circuit.
[0005] Preferably, the power control module includes an optocoupler U2, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a capacitor C2, a capacitor C3, a capacitor C4, a processor U3, a resistor R5, a resistor R6, and a diode D1. One end of the resistor R1 and one end of the resistor R2 are respectively connected to the power conversion module. The other end of the resistor R1 is connected to the first interface of the optocoupler U2. The second interface and the third interface of the optocoupler U2 are both connected to the logic control module. The other end of the resistor R2 is connected to the fourth interface of the optocoupler U2. The fifth interface of the optocoupler U2 is grounded. The sixth interface of the optocoupler U2 is connected to the power conversion module through the resistor R4, the seventh interface of the optocoupler U2 is connected to the power conversion module through the resistor R3, and the eighth interface of the optocoupler U2 is respectively connected to the power conversion module. One end of the capacitor C1 is connected to the eighth interface of the optocoupler U2, and the other end of the capacitor C1 is grounded. The first interface of the processor U3 is connected to the power conversion module. The second interface of the processor U3 is connected to the seventh interface of the optocoupler U2 through the resistor R5. The third interface of the processor U3 is connected to the sixth interface of the optocoupler U2 through the resistor R6. The fourth interface of the processor U3 is grounded. The fifth interface, the sixth interface, and the seventh interface of the processor U3 are all connected to the AD acquisition module. One end of the capacitor C4 is connected to the sixth interface of the processor U3, and the other end of the capacitor C4 is connected to the eighth interface of the processor U3. The input end of the diode D1 is connected to the first interface of the processor U3, and the output end of the diode D1 is respectively connected to the eighth interface of the processor.
[0006] Preferably, the input / output module includes capacitor C5, capacitor C6, capacitor C7, capacitor C8, capacitor C9, capacitor C10, capacitor C11, capacitor C12, suppression diode D2, suppression diode D3, resistor R7, resistor R8, resistor R9, resistor R10, resistor R11, and processor U4. The first interface of the processor U4 is grounded. The second interface of the processor U4 is connected to the logic control module. The third interface of the processor U4 is connected to the logic control module through the resistor R7. The fourth interface of the processor U4 is connected to the logic control module through the resistor R8. The fifth interface of the processor U4 is connected to the logic control module through the resistor R9. The sixth interface of the processor U4 is connected to the logic control module through the resistor R10. The seventh interface of the processor U4 is connected to one end of the capacitor C7, one end of the capacitor C8, and the logic control module. The eighth interface of the processor U4 is connected to the other end of the capacitor C7 and the other end of the capacitor C8, and the eighth interface of the processor U4 is grounded. The ninth interface of the processor U4 is connected to one end of the capacitor C11 and one end of the capacitor C12, and the ninth interface of the processor U4 is grounded. The tenth interface of the processor U4 is connected to the other end of the capacitor C11, the other end of the capacitor C12, and the fifteenth interface of the processor U4. The eleventh interface of the processor U4 and the fourteenth interface of the processor U4 are respectively connected to one end of the suppression diode D2. The twelfth interface of the processor U4 and the thirteenth interface of the processor U4 are respectively connected to one end of the suppression diode D3. The fifteenth interface of the processor U4 is connected to one end of the capacitor C9 and one end of the capacitor C10. The sixteenth interface of the processor U4 is connected to the other end of the capacitor C9 and the other end of the capacitor C10, and the sixteenth interface of the processor U4 is grounded. The other end of the suppression diode D2 and the other end of the suppression diode D3 are both grounded.
[0007] Preferably, the AD acquisition module includes a first acquisition circuit and a second acquisition circuit. The first acquisition circuit includes a processor U5 and a first amplification circuit. The second acquisition circuit includes a processor U6 and a second amplification circuit. The input ends of the processor U5 and the processor U6 are both connected to the power control module. The output end of the processor U5 is connected to the input end of the first amplification circuit. The output end of the first amplification circuit is connected to the logic control module. The output end of the processor U6 is connected to the input end of the second amplification circuit. The output end of the second amplification circuit is connected to the logic control module.
[0008] Preferably, the logic control module includes a processor U1, and the model of the processor U1 is GD32F103RCT6.
[0009] Preferably, the voltage of the power supply component is 270V, and the power supply component includes a plurality of battery cells.
[0010] Preferably, a voltage stabilizing circuit is provided between the power conversion module and the power supply component.
[0011] Advantages of the present utility model:
[0012] A control circuit for a household intelligent treadmill provided by the present utility model includes a Hall sensor, a control circuit, a drive circuit, and a power supply component. The control circuit includes a power conversion module, a power control module, an AD acquisition module, a logic control module, and an input / output module. The Hall sensor is installed in the motor, and the Hall sensor is connected to the input / output module. The input end of the power conversion module is electrically connected to the power supply component, and the output end of the power conversion module is respectively connected to the power control module, the AD acquisition module, and the logic control module. The power control module and the AD acquisition module are both connected to the logic control module. The output end of the logic control module is connected to the motor through the drive circuit. The present utility model controls the high and low levels of the motor through the Hall sensor, then controls the rotation speed of the motor through the power control module, realizes the acquisition of the bus voltage and current of the motor through the AD acquisition module, and adjusts the rotation speed of the motor through the input / output module according to the voltage and current adopted by the logic control module, preventing interference from the outside of the motor. Description of the Drawings
[0013] 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 therefore should not be regarded as limiting the scope. For those of ordinary skill in the art, other related drawings can also be obtained based on these drawings without creative efforts.
[0014] Figure 1 It is the circuit diagram of the logic control module of the present utility model;
[0015] Figure 2 It is the circuit diagram of the power control module of the present utility model;
[0016] Figure 3 It is the circuit diagram of the input / output module of the present utility model;
[0017] Figure 4 It is the circuit diagram of the AD acquisition module of the present utility model. Detailed Embodiments
[0018] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the following will clearly and completely describe the technical solutions in the embodiments of this application with reference to the accompanying drawings in the embodiments of this application. Obviously, the described embodiments are part of the embodiments of this application, rather than all of them. Usually, the components of the embodiments of this application described and illustrated in the accompanying drawings here can be arranged and designed in various different configurations.
[0019] Therefore, the following detailed description of the embodiments of this application provided in the accompanying drawings is not intended to limit the scope of this application that is claimed, but merely represents selected embodiments of this application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in this application without creative efforts belong to the scope of protection of this application.
[0020] It should be noted that similar reference numerals and letters denote similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.
[0021] In the description of this 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 drawings, or the orientation or positional relationship in which the product of this application is usually placed when in use. It is only for the convenience of describing this 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 should not be construed as a limitation of this application. In addition, the terms "first", "second", "third", etc. are only used for descriptive distinction and should not be construed as indicating or implying relative importance.
[0022] In addition, the terms "horizontal", "vertical", "overhanging", etc. do not mean that the components are required to be absolutely horizontal or overhanging, but may 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 may be slightly inclined.
[0023] In the description of this application, it should also be noted that unless otherwise clearly specified and limited, the terms "set", "installed", "connected", "coupled" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.
[0024] Such as Figures 1-4As shown in the figure, a control circuit for a household intelligent treadmill includes a Hall sensor, a control circuit, a drive circuit, and a power supply component. The control circuit includes a power conversion module, a power control module, an AD acquisition module, a logic control module, and an input / output module. The Hall sensor is installed in the motor, and the Hall sensor is connected to the input / output module. The input end of the power conversion module is electrically connected to the power supply component, and the output ends of the power conversion module are respectively connected to the power control module, the AD acquisition module, and the logic control module. The power control module and the AD acquisition module are both connected to the logic control module. The output end of the logic control module is connected to the motor through the drive circuit. In the present invention, the Hall sensor is used to detect the high and low levels of the motor, and then the power control module is used to control the rotation speed of the motor. The AD acquisition module is used to collect the bus voltage and current of the motor. The logic control module adjusts the rotation speed of the motor through the input / output module according to the collected voltage and current, so as to prevent interference from the outside of the motor.
[0025] As Figure 2 shown in the figure, specifically, the power control module includes an optocoupler U2, resistors R1, R2, R3, R4, capacitors C2, C3, C4, a processor U3, resistors R5, R6, and a diode D1. One end of resistor R1 and one end of resistor R2 are respectively connected to the power conversion module. The other end of resistor R1 is connected to the first interface of optocoupler U2. The second and third interfaces of optocoupler U2 are both connected to the logic control module. The other end of resistor R2 is connected to the fourth interface of optocoupler U2. The fifth interface of optocoupler U2 is grounded. The sixth interface of optocoupler U2 is connected to the power conversion module through resistor R4, the seventh interface of optocoupler U2 is connected to the power conversion module through resistor R3, and the eighth interface of optocoupler U2 is respectively connected to the power conversion module. One end of capacitor C1 is connected to the eighth interface of optocoupler U2, and the other end of capacitor C1 is grounded. The first interface of processor U3 is connected to the power conversion module. The second interface of processor U3 is connected to the seventh interface of optocoupler U2 through resistor R5. The third interface of processor U3 is connected to the sixth interface of optocoupler U2 through resistor R6. The fourth interface of processor U3 is grounded. The fifth, sixth, and seventh interfaces of processor U3 are all connected to the AD acquisition module. One end of capacitor C4 is connected to the sixth interface of processor U3, and the other end of capacitor C4 is connected to the eighth interface of processor U3. The input end of diode D1 is connected to the first interface of processor U3, and the output end of diode D1 is respectively connected to the eighth interface of the processor.
[0026] As Figure 3 shown, specifically, the input / output module includes capacitor C5, capacitor C6, capacitor C7, capacitor C8, capacitor C9, capacitor C10, capacitor C11, capacitor C12, suppression diodes D2 and D3, resistors R7, R8, R9, R10, R11, and processor U4. The first interface of the processor U4 is grounded. The second interface of the processor U4 is connected to the logic control module. The third interface of the processor U4 is connected to the logic control module through the resistor R7, the fourth interface of the processor U4 is connected to the logic control module through the resistor R8, the fifth interface of the processor U4 is connected to the logic control module through the resistor R9, and the sixth interface of the processor U4 is connected to the logic control module through the resistor R10. The seventh interface of the processor U4 is connected to one end of the capacitor C7, one end of the capacitor C8, and the logic control module. The eighth interface of the processor U4 is connected to the other end of the capacitor C7 and the other end of the capacitor C8, and the eighth interface of the processor U4 is grounded. The ninth interface of the processor U4 is connected to one end of the capacitor C11 and one end of the capacitor C12, and the ninth interface of the processor U4 is grounded. The tenth interface of the processor U4 is connected to the other end of the capacitor C11, the other end of the capacitor C12, and the fifteenth interface of the processor U4. The eleventh interface and the fourteenth interface of the processor U4 are respectively connected to one end of the suppression diode D2. The twelfth interface and the thirteenth interface of the processor U4 are respectively connected to one end of the suppression diode D3. The fifteenth interface of the processor U4 is connected to one end of the capacitor C9 and one end of the capacitor C10. The sixteenth interface of the processor U4 is connected to the other end of the capacitor C9 and the other end of the capacitor C10, and the sixteenth interface of the processor U4 is grounded. The other ends of the suppression diodes D2 and D3 are both grounded.
[0027] As Figure 4 shown, specifically, the AD acquisition module includes a first acquisition circuit and a second acquisition circuit. The first acquisition circuit includes a processor U5 and a first amplifier circuit. The second acquisition circuit includes a processor U6 and a second amplifier circuit. The input ends of the processor U5 and the processor U6 are both connected to the power control module. The output end of the processor U5 is connected to the input end of the first amplifier circuit. The output end of the first amplifier circuit is connected to the logic control module. The output end of the processor U6 is connected to the input end of the second amplifier circuit. The output end of the second amplifier circuit is connected to the logic control module.
[0028] Specifically, the logic control module includes a processor U1, and the model of the processor U1 is GD32F103RCT6.
[0029] In this embodiment, the voltage of the power supply component is 270V, and the power supply component includes a plurality of battery cells.
[0030] In this embodiment, a voltage stabilizing circuit is provided between the power conversion module and the power supply component, and the voltage stabilizing circuit of the present utility model is used to stabilize the output voltage of the power supply component.
[0031] The present utility model adds a control circuit to the circuit of the treadmill and performs feedback regulation, so that the rotation speed of the motor is not disturbed when the treadmill is used under different weights.
[0032] The above are only the preferred embodiments of the present application and are not used to limit the present application. For those skilled in the art, various changes and modifications can be made to the present application. 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 household intelligent treadmill control circuit, characterized in that: It includes a Hall sensor, a control circuit, a drive circuit, and a power supply component. The control circuit includes a power conversion module, a power control module, an AD acquisition module, a logic control module, and an input / output module. The Hall sensor is installed in the motor, and the Hall sensor is connected to the input / output module. The input end of the power conversion module is electrically connected to the power supply component. The output end of the power conversion module is respectively connected to the power control module, the AD acquisition module, and the logic control module. The power control module and the AD acquisition module are both connected to the logic control module. The output end of the logic control module is connected to the motor through the drive circuit.
2. A household intelligent treadmill control circuit according to claim 1, characterized in that: The power control module includes a photoelectric coupler U2, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a capacitor C2, a capacitor C3, a capacitor C4, a processor U3, a resistor R5, a resistor R6, and a diode D1. One end of the resistor R1 and one end of the resistor R2 are respectively connected to the power conversion module, the other end of the resistor R1 is connected to the first interface of the photoelectric coupler U2, the second interface and the third interface of the photoelectric coupler U2 are both connected to the logic control module, the other end of the resistor R2 is connected to the fourth interface of the photoelectric coupler U2, the fifth interface of the photoelectric coupler U2 is grounded, the sixth interface of the photoelectric coupler U2 is connected to the power conversion module through the resistor R4, the seventh interface of the photoelectric coupler U2 is connected to the resistor R3, and the eighth interface of the photoelectric coupler U2 is respectively connected to the power conversion module, and the capacitor One end of C1 is connected to the eighth interface of the photoelectric coupler U2, the other end of the capacitor C1 is grounded, the first interface of the processor U3 is connected to the power conversion module, the second interface of the processor U3 is connected to the seventh interface of the photoelectric coupler U2 through the resistor R5, the third interface of the processor U3 is connected to the sixth interface of the photoelectric coupler U2 through the resistor R6, the fourth interface of the processor U3 is grounded, the fifth interface, the sixth interface and the seventh interface of the processor U3 are all connected to the AD acquisition module, one end of the capacitor C4 is connected to the sixth interface of the processor U3, the other end of the capacitor C4 is connected to the eighth interface of the processor U3, the input end of the diode D1 is connected to the first interface of the processor U3, and the output ends of the diode D1 are respectively connected to the eighth interface of the processor.
3. A household intelligent treadmill control circuit according to claim 1, characterized in that: The input / output module includes capacitor C5, capacitor C6, capacitor C7, capacitor C8, capacitor C9, capacitor C10, capacitor C11, capacitor C12, suppression diode D2, suppression diode D3, resistor R7, resistor R8, resistor R9, resistor R10, resistor R11, and processor U4. The first interface of the processor U4 is grounded, the second interface of the processor U4 is connected to the logic control module, the third interface of the processor U4 is connected to the logic control module through the resistor R7, the fourth interface of the processor U4 is connected to the resistor R8, the fifth interface of the processor U4 is connected to the resistor R9, and the sixth interface of the processor U4 is connected to the logic control module through the resistor R10. The seventh interface of the processor U4 is respectively connected to one end of the capacitor C7, one end of the capacitor C8, and the logic control module. The eighth interface of the processor U4 is respectively connected to the other end of the capacitor C7 and the other end of the capacitor C8, and the processor U The eighth interface of the processor U4 is grounded, the ninth interface of the processor U4 is respectively connected to one end of the capacitor C11 and one end of the capacitor C12, and the ninth interface of the processor U4 is grounded, the tenth interface of the processor U4 is connected to the other end of the capacitor C11, the other end of the capacitor C12, and the fifteenth interface of the processor U4, the eleventh interface of the processor U4 and the fourteenth interface of the processor U4 are respectively connected to one end of the suppression diode D2, the twelfth interface of the processor U4 and the thirteenth interface of the processor U4 are respectively connected to one end of the suppression diode D3, the fifteenth interface of the processor U4 is connected to one end of the capacitor C9 and one end of the capacitor C10, the sixteenth interface of the processor U4 is connected to the other end of the capacitor C9 and the other end of the capacitor C10, and the sixteenth interface of the processor U4 is grounded, and the other end of the suppression diode D2 and the other end of the suppression diode D3 are both grounded.
4. A household intelligent treadmill control circuit according to claim 1, characterized in that: The AD acquisition module includes a first acquisition circuit and a second acquisition circuit. The first acquisition circuit includes a processor U5 and a first amplifier circuit. The second acquisition circuit includes a processor U6 and a second amplifier circuit. The input end of the processor U5 and the input end of the processor U6 are both connected to the power control module, the output end of the processor U5 is connected to the input end of the first amplifier circuit, the output end of the first amplifier circuit is connected to the logic control module, the output end of the processor U6 is connected to the input end of the second amplifier circuit, and the output end of the second amplifier circuit is connected to the logic control module.
5. A household intelligent treadmill control circuit according to claim 1, characterized in that: The logic control module includes a processor U1, and the model of the processor U1 is GD32F103RCT6.
6. A household intelligent treadmill control circuit according to claim 1, characterized in that: The voltage of the power supply assembly is 270V, and the power supply assembly includes multiple battery cells.
7. A household intelligent treadmill control circuit according to claim 1, characterized in that: A voltage stabilizing circuit is arranged between the power conversion module and the power supply component.