Sports equipment control panel and sports equipment

Abstract

The embodiment of the utility model discloses a sports equipment control panel and sports equipment. The sports equipment control panel comprises a panel body, a main control circuit, a power supply input interface, a power supply output interface and a filter reactance functional circuit, the main control circuit, the power input interface, the power output interface and the filter reactance functional circuit are all arranged on the board body; the outer end of the power input interface is used for accessing a mains supply, and the inner end of the power input interface is connected with the input end of the filter reactance functional circuit; the output end of the filter reactance functional circuit is connected with the power input end of the main control circuit; the power output end of the main control circuit is used for outputting driving power to the motor; the filter reactance function circuit comprises a plurality of filter sub-circuits, two ends of each filter sub-circuit correspond to an output end and an input end of the filter reactance function circuit respectively, and the filter reactance function circuit is used for filtering electromagnetic interference and differential mode signals in different frequency ranges. Interference can be controlled within a standard range through simple and efficient assembly, and the safety when the control panel of the sports equipment is applied is improved.

Description

Technical Field

[0001] The embodiments of the present application relate to the field of electronic technologies, and particularly to a control board for a sports device and a sports device. Background Art

[0002] For various sports devices that provide resistance through motors, they all need to pass the EMC (Electromagnetic Compatibility) certification to ensure that the sports devices meet the industry standards of different interference types such as radiation interference and conduction interference of EMC in various operating states, that is, to provide an electromagnetic environment that meets the environmental standards in various operating states. In related sports devices, various interferences affecting the EMC index usually come from the control board of the motor operating under the mains voltage. To pass the EMC certification, a filter for eliminating or reducing interference is provided outside the control board, and the mains power supply enters the control board through the filter to drive the motor to operate, thereby achieving the EMC certification.

[0003] The inventors analyzed related sports devices and found that when the main board externally connects EMC filtering devices and reactance devices through connecting wires, there are many structural components of the whole machine, the assembly process is relatively complex, and the production efficiency is relatively low. Utility Model Content

[0004] The present utility model provides a control board for a sports device and a sports device to solve the technical problems of the existing sports device having many structural components of the whole machine, a relatively complex assembly process, and relatively low production efficiency.

[0005] In a first aspect, the embodiments of the present application provide a control board for a sports device, which includes: a board body, a main control circuit, a power input interface, a power output interface, and a filter-reactance functional circuit;

[0006] The main control circuit, the power input interface, the power output interface, and the filter-reactance functional circuit are all arranged on the board body;

[0007] The outer end of the power input interface is used to connect to the mains power supply, and the inner end of the power input interface is connected to the input end of the filter-reactance functional circuit;

[0008] The output end of the filter-reactance functional circuit is connected to the power input end of the main control circuit;

[0009] The power output end of the main control circuit is used to output a driving power supply to the motor;

[0010] The filter-reactance functional circuit includes a plurality of filter sub-circuits, and both ends of each filter sub-circuit respectively correspond to the output end and the input end of the filter-reactance functional circuit, and are used to filter electromagnetic interference and differential-mode signals in different frequency ranges.

[0011] As described above, the filter reactor functional circuit with filter and reactor functions is integrated into the main board. Based on the multiple filter sub - circuits included in the filter reactor functional circuit, different types of electromagnetic interference and differential - mode signals are filtered inside the main board to achieve anti - interference. It can control interference within the standard range with simple and efficient assembly, minimize electromagnetic radiation as much as possible, effectively reduce the negative impact of electromagnetic radiation on the human body, power grid and other electrical appliances, and improve the overall safety of the whole machine applying this sports equipment control board to the outside world.

[0012] Among them, the filter reactor functional circuit includes a first filter sub - circuit, a second filter sub - circuit, a third filter sub - circuit and a fourth filter sub - circuit.

[0013] As described above, through the four filter sub - circuits, electromagnetic interference and differential - mode signals in various frequency ranges are filtered as much as possible, and the overall safety of the whole machine applying this sports equipment control board to the outside world is improved.

[0014] Among them, the first filter sub - circuit includes a second capacitor, a fourth capacitor, a fourth inductor and a first inductor;

[0015] The first terminal of the second capacitor, the first terminal of the fourth capacitor, pin 2 of the first inductor, and pin 2 of the fourth inductor are all connected to the live - wire terminal of the power input interface;

[0016] The second terminal of the second capacitor, the second terminal of the fourth capacitor, pin 1 of the first inductor, and pin 1 of the fourth inductor are all connected to the neutral - wire terminal of the power input interface;

[0017] Pin 3 of the first inductor and pin 3 of the fourth inductor are both connected to the second terminal of the output end of the filter reactor functional circuit; pin 4 of the first inductor and pin 4 of the fourth inductor are both connected to the first terminal of the output end of the filter reactor functional circuit.

[0018] Among them, the second filter sub - circuit includes a first capacitor, a third capacitor and a second inductor;

[0019] The first terminal of the first capacitor, the first terminal of the third capacitor, and pin 2 of the second inductor are all connected to the live - wire terminal of the power input interface;

[0020] The second terminal of the first capacitor, the second terminal of the third capacitor, and pin 1 of the second inductor are all connected to the neutral - wire terminal of the power input interface;

[0021] Pin 3 of the second inductor is connected to the second terminal of the output end of the filter reactor functional circuit, and pin 4 of the second inductor is connected to the first terminal of the output end of the filter reactor functional circuit.

[0022] Among them, the third filter sub - circuit includes a first resistor, a first safety capacitor, a second resistor, a second safety capacitor, a fourth inductor and a first inductor;

[0023] The first end of the first resistor, pin 1 of the first inductor, and pin 1 of the fourth inductor are all connected to the neutral terminal of the power input interface;

[0024] The second end of the first resistor is connected to the first end of the first safety capacitor, the second end of the second resistor is connected to the first end of the second safety capacitor, and the second ends of the first safety capacitor and the second safety capacitor are both connected to the ground terminal of the power input interface;

[0025] Pin 2 of the first inductor and pin 2 of the fourth inductor are both connected to the live terminal of the power input interface; Pin 3 of the first inductor and pin 3 of the fourth inductor are both connected to the second terminal of the output end of the filter reactance functional circuit; Pin 4 of the first inductor and pin 4 of the fourth inductor are both connected to the first terminal of the output end of the filter reactance functional circuit.

[0026] Among them, the fourth filter sub - circuit includes a third resistor, a third safety capacitor, a fourth resistor, a fourth safety capacitor, and a second inductor;

[0027] The first end of the third resistor is connected to pin 2 of the second inductor; The first end of the fourth resistor is connected to pin 1 of the second inductor;

[0028] The second end of the third resistor is connected to the first end of the third safety capacitor, and the second end of the fourth resistor is connected to the first end of the fourth safety capacitor; The second ends of the third safety capacitor and the fourth safety capacitor are both connected to the ground terminal of the power input interface;

[0029] Pin 3 of the second inductor is connected to the second terminal of the output end of the filter reactance functional circuit, and pin 4 of the second inductor is connected to the first terminal of the output end of the filter reactance functional circuit.

[0030] Above, through the composition and connection relationships of various specific components, the corresponding filtering of electromagnetic interference and differential - mode signals in different frequency ranges is achieved.

[0031] Among them, the filter reactance functional circuit includes a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, a fifth capacitor, a first safety capacitor, a second safety capacitor, a third safety capacitor, a fourth safety capacitor, a first resistor, a second resistor, a third resistor, a fourth resistor, a first inductor, a second inductor, a third inductor, and a fourth inductor;

[0032] The first end of the second capacitor, the first end of the fourth capacitor, the first end of the second resistor, pin 2 of the first inductor, and pin 2 of the fourth inductor are all connected to the live terminal of the power input interface;

[0033] The second terminal of the second capacitor, the second terminal of the fourth capacitor, the first terminal of the first resistor, pin 1 of the first inductor, and pin 1 of the fourth inductor are all connected to the neutral terminal of the power input interface;

[0034] The second terminal of the first resistor is connected to the first terminal of the first safety capacitor, the second terminal of the second resistor is connected to the first terminal of the second safety capacitor, the second terminal of the third resistor is connected to the first terminal of the third safety capacitor, and the second terminal of the fourth resistor is connected to the first terminal of the fourth safety capacitor; The second terminals of the first safety capacitor, the second safety capacitor, the third safety capacitor, and the fourth safety capacitor are all connected to the ground terminal of the power input interface;

[0035] Pin 3 of the first inductor is connected to pin 3 of the fourth inductor, the first terminal of the third resistor, the first terminal of the first capacitor, the first terminal of the third capacitor, and pin 2 of the second inductor; Pin 4 of the first inductor is connected to pin 4 of the fourth inductor, the first terminal of the fourth resistor, the second terminal of the first capacitor, the second terminal of the third capacitor, and pin 1 of the second inductor;

[0036] Pin 3 of the second inductor is connected to the second terminal of the output of the filter reactance function circuit, and pin 4 of the second inductor is connected to the first terminal of the output of the filter reactance function circuit.

[0037] As described above, in a specific filter reactance function circuit, multiple electronic devices can be used to filter electromagnetic interference and differential mode signals in multiple frequency ranges, achieving as comprehensive interference elimination as possible with a circuit as simple as possible.

[0038] Among them, the main control circuit includes a motor controller and a motor drive chip. The control output terminal of the motor controller is connected to the control input terminal of the motor drive chip, and the power input terminal of the main control circuit is the power input terminal of the motor drive chip.

[0039] As described above, through the motor controller and the motor drive chip, the drive power for controlling the working state of the motor is respectively confirmed, and the drive power confirmed by the motor controller is directly output, comprehensively realizing the precise drive of the motor.

[0040] In a second aspect, the embodiments of the present application provide a sports device, which includes the sports device control board of any one of the first aspects. The sports device is, for example, a treadmill, an elliptical machine, a rowing machine, etc.

[0041] As described above, the sports device includes the sports device control board of the first aspect and has corresponding beneficial effects. Description of the Drawings

[0042] Figure 1 It is an overall architecture diagram of the sports device control board provided by the embodiments of the present application.

[0043] Figure 2 It is an overall architecture diagram of the control board of a motion device in the related art.

[0044] Figure 3 It is a circuit schematic diagram of the filter reactance function circuit in the motion device control board provided by an embodiment of the present application. Detailed implementation manners

[0045] The present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It can be understood that the specific embodiments described herein are used to explain the present utility model, rather than limiting the present utility model. Additionally, it should be noted that for the convenience of description, only parts related to the present utility model rather than all structures are shown in the drawings.

[0046] It should be noted that due to space limitations, the specification of this application does not exhaust all optional implementation manners. Those skilled in the art should be able to think that as long as the technical features do not conflict with each other, any combination of technical features can constitute an optional implementation manner after reading the specification of this application.

[0047] The following will detail each embodiment of the present utility model.

[0048] In existing motion devices, various interferences affecting EMC indicators usually come from the control board of the motor operating under the mains voltage. To pass the EMC certification, a filter for eliminating or reducing interference is provided outside the control board. The mains power enters the control board through the filter to drive the motor to operate, achieving the EMC certification.

[0049] The inventor analyzed related motion devices taking a treadmill as an example and found that, as Figure 2 shown, the electronic devices supporting the realization of established functions in the motion device mainly include a power filter 102, a reactor 103, a lower motor controller 10, an upper control display card 115, and a motor 116. Among them, due to the overall shape and hardware layout of the treadmill, the main board is arranged at the bottom of the treadmill adapted to the installation position of the motor 116. Here, based on the installation orientation relationship and specific functions, it is defined as the lower motor controller 10. Similarly defined is the upper control display card 115 for controlling the display module located on the upper part of the treadmill. In Figure 2In the shown architecture, the upper control display control board 115 and the lower motor control controller 10 are two independently arranged boards. The lower motor control controller 10 is connected to the mains power supply through the power input interface 120. In the lower motor control controller 10, there is a main control circuit 110, and the main control circuit 110 drives and controls the motor 116 through the power output interface 121. The lower motor control controller 10 may also include an auxiliary circuit and various interfaces, such as an auxiliary power supply 104, a sampling resistor 112, a detection operational amplifier circuit 106, a sensor interface 111, a communication port 118, a power supply interface 119, a fuse T1, a relay, a rectifier bridge, etc., to comprehensively detect the operating state of the motor 116 (for example, through a Hall sensor 117, a temperature sensor, etc.), process the detection signals, and perform precise control according to the detection results in the lower motor control controller 10, and also supply power to other power-consuming components. To further improve the overall safety of the machine, a first magnetic ring 101 can be wound around the ground wire connected to the power input interface 120, a second magnetic ring 114 can be set on the power supply line and the communication line between the lower motor control controller 10 and the upper control display control board 115, and a third magnetic ring 113 can be wound around the connection line between the lower motor control controller 10 and the motor 116 (and various attached sensors). The power filter 102 and the reactor 103 set for passing the EMC certification are arranged between the power input interface 120 and the mains power supply, that is, the power filter 102 is set as an external device of the lower motor control controller 10. When assembling a treadmill with such a lower motor control controller 10 as the main board, since the main board externally connects EMC filtering devices and reactance devices through connection lines, there are many structural parts of the whole machine, the assembly process is relatively complex, and the production efficiency is low.

[0050] In view of the above technical problems, the embodiment of the present application proposes to integrate a filter and reactor functional circuit with filter function and reactor function into the main board to achieve anti-interference inside the main board, and can control interference within the standard range with simple and efficient assembly, effectively reducing the negative impacts of electromagnetic radiation on the human body, the power grid, and other electrical appliances.

[0051] Please refer to Figure 1 , which is the overall architecture diagram of the motion device control board provided by the embodiment of the present application, Figure 1 and the connection relationship between the motion device control board and external devices is presented therein. As Figure 1As shown in the figure, the control board of the sports equipment includes: a board body 20, a main control circuit, a power input interface 220, a power output interface 221, and a filter and reactance function circuit 201; the main control circuit, the power input interface 220, the power output interface 221, and the filter and reactance function circuit 201 are all arranged on the board body 20; the outer end of the power input interface 220 is used to connect to the mains power supply, and the inner end of the power input interface 221 is connected to the input end of the filter and reactance function circuit 201; the output end of the filter and reactance function circuit 201 is connected to the power input end of the main control circuit; the power output end of the main control circuit is used to output a driving power supply to the motor 216. The filter and reactance function circuit 201 specifically includes a plurality of filter sub-circuits, and both ends of each filter sub-circuit respectively correspond to the output end and the input end of the filter and reactance function circuit, and are used to filter out electromagnetic interference and differential mode signals in different frequency ranges.

[0052] In the embodiment of the present application, the filter and reactance function circuit 201 with filter function and reactance function is integrated into the main board. Based on the plurality of filter sub-circuits included in the filter and reactance function circuit 201, different types of electromagnetic interference and differential mode signals are filtered out inside the main board to achieve anti-interference. The overall design idea is to integrate the functional modules realized by electronic circuits onto the main board, and installing the main board basically completes the installation of the electronic device part. When the main board has anti-interference ability meeting the standard requirements due to the integration of the filter and reactance function circuit 201, the interference can be controlled within the standard range with simple and efficient assembly, electromagnetic radiation can be reduced as much as possible, and the negative impact of electromagnetic radiation on the human body, power grid and other electrical appliances can be effectively reduced, improving the external safety of the whole machine applying the control board of the sports equipment.

[0053] In a specific implementation manner, the filter and reactance function circuit 201 includes, for example, a first filter sub-circuit, a second filter sub-circuit, a third filter sub-circuit, and a fourth filter sub-circuit. The first filter sub-circuit, the second filter sub-circuit, the third filter sub-circuit, and the fourth filter sub-circuit are used to filter out electromagnetic interference and differential mode signals in different frequency ranges. The sports equipment meets the EMC index, and it is necessary to eliminate or weaken electromagnetic radiation in as large a frequency range as possible. Through a plurality of filter sub-circuits, different types of electromagnetic interference and differential mode signals, that is, electromagnetic interference and differential mode signals in different frequency ranges, are filtered out specifically, electromagnetic radiation is reduced as much as possible, and the external safety of the whole machine applying the control board of the sports equipment is improved. Each of the filter sub-circuits in the filter and reactance function circuit 201 can be composed of dedicated electronic devices to form corresponding circuits to achieve filtering, or can share some electronic devices to form corresponding circuits to achieve filtering.

[0054] In another specific implementation manner, as Figure 3As shown, the filter reactance functional circuit 201 is composed of shared electronic components to form corresponding sub - circuits to achieve electromagnetic radiation filtering. The filter reactance functional circuit 201 includes a first capacitor C1, a second capacitor C2, a third capacitor C3, a fourth capacitor C4, a first safety capacitor CY1, a second safety capacitor CY2, a third safety capacitor CY3, a fourth safety capacitor CY4, a first resistor RS1, a second resistor RS2, a third resistor RS3, a fourth resistor RS4, a first inductor LC1, a second inductor LC2, and a fourth inductor L1.

[0055] The first terminal of the second capacitor C2, the first terminal of the fourth capacitor C4, the first terminal of the second resistor RS2, pin 2 of the first inductor LC1, and pin 2 of the fourth inductor L1 are all connected to the live wire terminal of the power input interface 220.

[0056] The second terminal of the second capacitor C2, the second terminal of the fourth capacitor C4, the first terminal of the first resistor RS1, pin 1 of the first inductor LC1, and pin 1 of the fourth inductor L1 are all connected to the neutral wire terminal of the power input interface 220.

[0057] The second terminal of the first resistor RS1 is connected to the first terminal of the first safety capacitor CY1, the second terminal of the second resistor RS2 is connected to the first terminal of the second safety capacitor CY2, the second terminal of the third resistor RS3 is connected to the first terminal of the third safety capacitor CY3, and the second terminal of the fourth resistor RS4 is connected to the first terminal of the fourth safety capacitor CY4; the second terminals of the first safety capacitor CY1, the second safety capacitor CY2, the third safety capacitor CY3, and the fourth safety capacitor CY4 are all connected to the ground wire terminal of the power input interface 220.

[0058] Pin 3 of the first inductor LC1 is connected to pin 3 of the fourth inductor L1, the first terminal of the third resistor RS3, the first terminal of the first capacitor C1, the first terminal of the third capacitor C3, and pin 2 of the second inductor LC2; pin 4 of the first inductor LC1 is connected to pin 4 of the fourth inductor L1, the first terminal of the fourth resistor RS4, the second terminal of the first capacitor C1, the second terminal of the third capacitor C3, and pin 1 of the second inductor LC2.

[0059] Pin 3 of the second inductor LC2 is connected to the second terminal of the output terminal of the filter reactance functional circuit 201, and pin 4 of the second inductor LC2 is connected to the first terminal of the output terminal of the filter reactance functional circuit 201.

[0060] In this specific implementation, the second capacitor C2, the fourth capacitor C4, the fourth inductor L1, and the first inductor LC1 form the first filtering sub-circuit. The first filtering sub-circuit performs the first-stage differential-mode filtering, and has high impedance and filtering effects on the electromagnetic interference generated by radiation in the range of 30 MHz to 60 MHz and the differential-mode signal interference conducted in the range of 150 KHz to 10 MHz. In terms of parameters, the first filtering sub-circuit is compatible with different parameter specifications and can replace the parameters according to the actual test results. Among them, the second capacitor C2 and the fourth capacitor C4 use X-class safety capacitors with a capacitance value in the range of 0.47 to 1 μF; the fourth inductor L1 and the first inductor LC1 use parameters with an inductance value in the range of 350 μH to 10 mH. The above combination can solve the electromagnetic interference problems generated by the moving device in the corresponding frequency range. The second capacitor C2 and the fourth capacitor C4 share a capacitor symbol, indicating that different specifications of the same type of device are compatible and set together, that is, there can be a combination of different specifications and models of the same type of device, mainly to meet the different needs of different moving devices for parameter adjustment. In addition, the fourth inductor L1 and the first inductor LC1, as well as the first capacitor C1 and the third capacitor C3, adopt a similar identification method.

[0061] The first capacitor C1, the third capacitor C3, and the second inductor L2 form the second filtering sub-circuit. The second filtering sub-circuit performs the second-stage differential-mode filtering, and has high impedance and filtering effects on the electromagnetic interference generated by radiation in the range of 70 MHz to 1 GHz and the differential-mode signal interference conducted in the range of 11 KHz to 30 MHz. In terms of parameters, the second filtering sub-circuit is compatible with different parameter specifications and can replace the parameters according to the actual test results. Among them, the first capacitor C1 and the third capacitor C3 use X-class safety capacitors with a capacitance value in the range of 0.22 to 0.47 μF; the second inductor LC2 needs to use parameters with an inductance value in the range of 3 mH to 10 mH. The above combination can solve the electromagnetic interference problems generated by the moving device in the corresponding frequency range.

[0062] The first resistor RS1, the first safety capacitor CY1, the second resistor RS2, the second safety capacitor CY2, the fourth inductor L1, and the first inductor LC1 form the third filtering sub-circuit. The third filtering sub-circuit performs the first-stage common-mode filtering and has a high impedance and filtering effect on the electromagnetic interference generated by radiation in the range of 60 MHz to 120 MHz and the common-mode signal interference conducted in the range of 200 KHz to 20 MHz. In terms of parameters, the third filtering sub-circuit is compatible with different parameter specifications and can replace the parameters according to the actual test results. Among them, the first safety capacitor CY1 and the second safety capacitor CY2 are Y-class safety capacitors with capacitance values in the range of 220 to 4700 pF; the parameters of the first resistor RS1 and the second resistor RS2 are in the range of 10 to 120 ohms; the first inductor LC1 and the fourth inductor L1 have inductance parameters in the range of 350 μH to 10 mH. The above combination can solve the electromagnetic interference problems generated by the motion device in the corresponding frequency range. In the embodiment of the present application, the fourth inductor L1 and the first inductor LC1 in the third filtering sub-circuit are actually shared with the fourth inductor L1 and the first inductor LC1 in the first filtering sub-circuit.

[0063] The third resistor RS3, the third safety capacitor CY3, the fourth resistor RS4, the fourth safety capacitor CY4, and the second inductor LC2 form the fourth filtering sub-circuit. The fourth filtering sub-circuit performs the second-stage common-mode filtering and has a high impedance and filtering effect on the electromagnetic interference generated by radiation in the range of 140 MHz to 800 MHz and the common-mode signal interference conducted in the range of 70 MHz to 60 MHz. In terms of parameters, the fourth filtering sub-circuit is compatible with different parameter specifications and can replace the parameters according to the actual test results. Among them, the third safety capacitor CY3 and the fourth safety capacitor CY4 are Y-class safety capacitors with capacitance values in the range of 220 to 4700 pF; the parameters of the third resistor RS3 and the fourth resistor RS4 are in the range of 10 to 120 ohms; the second inductor LC2 has an inductance parameter in the range of 30 mH to 10 mH. The above combination can solve the electromagnetic interference problems generated by the motion device in the corresponding frequency range. In the embodiment of the present application, the second inductor LC2 in the fourth filtering sub-circuit is actually shared with the second inductor LC2 in the second filtering sub-circuit.

[0064] In Figure 3In the shown filter reactance functional circuit 201, it may further include a fifth resistor RX1, a sixth resistor RX2, a seventh resistor RX3, and an eighth resistor RX4. The first ends of the fifth resistor RX1 and the sixth resistor RX2 are both connected to the live wire terminal of the power input interface 220; the first ends of the seventh resistor RX3 and the eighth resistor RX4 are both connected to the neutral wire terminal of the power input interface 220; the second end of the seventh resistor RX3 is connected to the second ends of the fifth resistor RX1, the sixth resistor RX2, and the eighth resistor RX4. The fifth resistor RX1, the sixth resistor RX2, the seventh resistor RX3, and the eighth resistor RX4 may all be wire-wound resistors or other types of resistors. The fifth resistor RX1, the sixth resistor RX2, the seventh resistor RX3, and the eighth resistor RX4 are used to quickly discharge the electrical energy on the safety capacitors of X (i.e., the first capacitor C1, the second capacitor C2, the third capacitor C3, and the fourth capacitor C4) after the mains power supply is disconnected, ensuring the safety of the first capacitor C1, the second capacitor C2, the third capacitor C3, and the fourth capacitor C4.

[0065] In addition, Figure 3 In the shown filter reactance functional circuit 201, there may also be a third inductor LC3 and a fifth capacitor C5. The first end of the third inductor LC3 is connected to pin 3 of the second inductor LC2, and the first end of the fifth capacitor C5 is connected to pin 4 of the second inductor LC2 and connected to the first terminal of the output end of the filter reactance functional circuit 201; the second end of the third inductor LC3 is connected to the second end of the fifth capacitor C5 and connected to the second terminal of the output end of the filter reactance functional circuit 201. The combination of the third inductor LC3 and the fifth capacitor C5 also realizes differential mode filtering and suppression of harmonic current, and can efficiently filter the variable current amount of the produced AC harmonic current Average(100% / 150%), making the current smoother and more stable without generating high-order or low-order harmonic currents; among them, the inductance of the third inductor LC3 is between 3.5 mH and 5 mH, and the capacitance value of the fifth capacitor C5 is between 0.47 μF and 1 μF. This combination can solve the problem of harmonic current generated by moving equipment.

[0066] In Figure 3 In the shown filter reactance functional circuit, there are multiple electronic devices that can be used to filter electromagnetic interference and differential mode signals in multiple frequency ranges, achieving as comprehensive interference elimination as possible with the simplest possible circuit. It should be understood that the two-stage filtering is only an exemplary presentation. In moving equipment, if the actual working current of the inductor is large, the inductance decreases due to temperature influence, and the suppression of the common mode signal becomes smaller, and the one-stage filtering or even two-stage filtering cannot meet the filtering requirements, more than two stages of filtering can be further set. For example, when the power of the moving equipment is very large, more than two stages of filtering can be set.

[0067] In addition, in the specific implementation process, each filtering sub-circuit can also be implemented with corresponding filtering using components for independent use. For example, the first filtering sub-circuit can include a second capacitor, a fourth capacitor, a fourth inductor, and a first inductor;

[0068] The first terminal of the second capacitor, the first terminal of the fourth capacitor, pin 2 of the first inductor, and pin 2 of the fourth inductor are all connected to the live wire terminal of the power input interface;

[0069] The second terminal of the second capacitor, the second terminal of the fourth capacitor, pin 1 of the first inductor, and pin 1 of the fourth inductor are all connected to the neutral wire terminal of the power input interface;

[0070] Pin 3 of the first inductor and pin 3 of the fourth inductor are both connected to the second terminal of the output end of the filtering reactance function circuit; pin 4 of the first inductor and pin 4 of the fourth inductor are both connected to the first terminal of the output end of the filtering reactance function circuit.

[0071] For example, the second filtering sub-circuit can include a first capacitor, a third capacitor, and a second inductor;

[0072] The first terminal of the first capacitor, the first terminal of the third capacitor, and pin 2 of the second inductor are all connected to the live wire terminal of the power input interface;

[0073] The second terminal of the first capacitor, the second terminal of the third capacitor, and pin 1 of the second inductor are all connected to the neutral wire terminal of the power input interface;

[0074] Pin 3 of the second inductor is connected to the second terminal of the output end of the filtering reactance function circuit, and pin 4 of the second inductor is connected to the first terminal of the output end of the filtering reactance function circuit.

[0075] For example, the third filtering sub-circuit can include a first resistor, a first safety capacitor, a second resistor, a second safety capacitor, a fourth inductor, and a first inductor;

[0076] The first terminal of the first resistor, pin 1 of the first inductor, and pin 1 of the fourth inductor are all connected to the neutral wire terminal of the power input interface;

[0077] The second terminal of the first resistor is connected to the first terminal of the first safety capacitor, the second terminal of the second resistor is connected to the first terminal of the second safety capacitor, and the second terminals of the first safety capacitor and the second safety capacitor are both connected to the ground wire terminal of the power input interface;

[0078] Pin 2 of the first inductor and pin 2 of the fourth inductor are all connected to the live wire terminal of the power input interface; pin 3 of the first inductor and pin 3 of the fourth inductor are both connected to the second terminal of the output end of the filtering reactance function circuit; pin 4 of the first inductor and pin 4 of the fourth inductor are both connected to the first terminal of the output end of the filtering reactance function circuit.

[0079] For example, the fourth filtering sub-circuit may include a third resistor, a third safety capacitor, a fourth resistor, a fourth safety capacitor, and a second inductor;

[0080] The first end of the third resistor is connected to pin 2 of the second inductor; the first end of the fourth resistor is connected to pin 1 of the second inductor;

[0081] The second end of the third resistor is connected to the first end of the third safety capacitor, and the second end of the fourth resistor is connected to the first end of the fourth safety capacitor; the second ends of the third safety capacitor and the fourth safety capacitor are both connected to the ground terminal of the power input interface;

[0082] Pin 3 of the second inductor is connected to the second terminal of the output end of the filtering reactance function circuit, and pin 4 of the second inductor is connected to the first terminal of the output end of the filtering reactance function circuit.

[0083] As described above, through the composition and connection relationships of various specific components, electromagnetic interference and differential mode signals in different frequency ranges are filtered correspondingly. The specific principle of filtering is the same as that in the previous embodiment. Additionally, it should be noted that in the embodiments of the present application, components that can be reused are defined in the same way. For example, the second inductor in the second filtering sub-circuit and the second inductor in the fourth filtering sub-circuit should be understood as having two second inductors respectively used for the two filtering sub-circuits. Additionally, the fourth inductor and the first inductor in the third filtering sub-circuit are actually shared corresponding to the fourth inductor and the first inductor in the first filtering sub-circuit. The specific circuit diagram can be fine-tuned according to the text description in Figure 3 the shown circuit diagram.

[0084] In another alternative implementation, the main control circuit includes a motor controller 205 and a motor drive chip 210. The control output end of the motor controller 205 is connected to the control input end of the motor drive chip 210, and the power input end of the main control circuit is the power input end of the motor drive chip 210. Through the motor controller 205 and the motor drive chip 210, the drive power for controlling the working state of the motor 216 is respectively confirmed, and the drive power confirmed by the motor controller 205 is directly output, comprehensively realizing the precise drive of the motor 216. The motor drive chip 210 can be an intelligent power module. Through the intelligent power module, a precisely controlled drive power can be output to precisely control the operating state of the motor 216.

[0085] The control board of the exercise device in the embodiments of the present application may further include an auxiliary circuit; the auxiliary circuit is arranged on the board body; the output end of the filter reactance functional circuit is also connected to the power input end of the auxiliary circuit; the power output end of the auxiliary circuit is used to provide a working voltage for the power-consuming components. All auxiliary circuits for implementing motor-related control are integrated into the control board of the exercise device, thereby achieving a high degree of integration of the circuit board. The auxiliary circuit may include a power sub-circuit, and the power sub-circuit is used to output at least one weak-current power supply for providing a working voltage for the power-consuming components that require weak-current drive in the control board of the exercise device. The weak-current power supply includes a +5V DC voltage power supply and a +3.3V DC voltage power supply. A low-dropout regulator may be included in the power sub-circuit, and the +3.3V DC voltage power supply is output through the low-dropout regulator. The internal required weak-current power supply is output through the power sub-circuit, simplifying the circuit wiring on the board body 20.

[0086] The embodiments of the present application further provide an exercise device, which includes the control board of the exercise device in the previous embodiment. The exercise device may be, for example, a treadmill, an elliptical machine, a rowing machine, etc. The exercise device has the same beneficial effects as the control board of the exercise device in the previous text, and can control the interference within the standard range with simple and efficient assembly, effectively reducing the negative impact of electromagnetic radiation on the human body, power grid, and other electrical appliances.

[0087] Figure 1 In the shown exercise device, it includes a motor lower control controller (i.e., the control board of the exercise device) obtained by combining the board body 20 and all the electronic components carried thereon, an upper control display control board card 215, and a motor 216. The motor lower control controller 10 accesses the mains power supply through the power input interface 220. Figure 1 In the shown control board of the exercise device, the main control circuit is used to drive and control the motor 216 through the power output interface 221. The whole control is specifically implemented by the motor controller 205 and the motor drive chip 210. The exercise device may further include an auxiliary circuit and various interfaces, such as an auxiliary power supply 204, a sampling resistor 212, a detection operational amplifier circuit 206, a sensor interface 211, a communication port 218, a power supply interface 219, a fuse T1, a relay, a rectifier bridge, etc., to comprehensively detect the operating state of the motor 216 (for example, through a Hall sensor 217, a temperature sensor, etc.), process the detection signals, and perform precise control according to the detection results in the control board of the exercise device, and also supply power to other power-consuming components. To further improve the overall safety of the machine, a second magnetic ring 214 may also be provided on the power supply line and communication line between the control board of the exercise device and the upper control display control board card 215, and a third magnetic ring 213 may be wound around the connection line between the control board of the exercise device and the motor 216 (and various attached sensors).

[0088] It should also be noted that the term "including", "comprising" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, commodity or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, commodity or device. Without further limitation, an element defined by the statement "including one..." does not exclude the existence of additional identical elements in the process, method, commodity or device including the element.

[0089] Note that the above is only the preferred embodiment of the present utility model and the applied technical principle. Those skilled in the art will understand that the present utility model is not limited to the specific embodiments here, and various obvious changes, re-adjustments and substitutions can be made by those skilled in the art without departing from the protection scope of the present utility model. Therefore, although the present utility model has been described in more detail through the above embodiments, the present utility model is not limited to the above embodiments. Without departing from the concept of the present utility model, more other equivalent embodiments can be included, and the scope of the present utility model is determined by the scope of the appended claims.

Claims

1. Sports equipment control panel, characterized in that, include: Board body, main control circuit, power input interface, power output interface and filter reactance function circuit; The main control circuit, power input interface, power output interface and filter reactance function circuit are all arranged on the board; The outer end of the power input interface is used to connect to the mains power supply, and the inner end of the power input interface is connected to the input end of the filter reactance functional circuit; The output end of the filter reactance functional circuit and the power input end of the main control circuit; The power output terminal of the main control circuit is used to output driving power to the motor; The filter reactance functional circuit comprises a plurality of filter sub-circuits, and the two ends of each filter sub-circuit respectively correspond to the output end and the input end of the filter reactance functional circuit, and are used to filter out electromagnetic interference and differential mode signals in different frequency ranges.

2. The sports equipment control panel according to claim 1, characterized in that: The filter reactance functional circuit includes a first filter subcircuit, a second filter subcircuit, a third filter subcircuit and a fourth filter subcircuit.

3. The sports equipment control panel according to claim 2, characterized in that: The first filtering subcircuit includes a second capacitor, a fourth capacitor, a fourth inductor and a first inductor; The first end of the second capacitor, the first end of the fourth capacitor, the pin 2 of the first inductor, and the pin 2 of the fourth inductor are all connected to the live wire terminal of the power input interface; The second end of the second capacitor, the second end of the fourth capacitor, the pin 1 of the first inductor, and the pin 1 of the fourth inductor are all connected to the neutral terminal of the power input interface; Pin 3 of the first inductor and pin 3 of the fourth inductor are both connected to the second terminal of the output end of the filtering inductor functional circuit; pin 4 of the first inductor and pin 4 of the fourth inductor are both connected to the first terminal of the output end of the filtering inductor functional circuit.

4. The sports equipment control panel according to claim 2, characterized in that: The second filtering subcircuit includes a first capacitor, a third capacitor and a second inductor; The first end of the first capacitor, the first end of the third capacitor and the pin 2 of the second inductor are all connected to the live wire terminal of the power input interface; The second end of the first capacitor, the second end of the third capacitor and the pin 1 of the second inductor are all connected to the neutral terminal of the power input interface; Pin 3 of the second inductor is connected to the second terminal of the output end of the filter inductor functional circuit, and pin 4 of the second inductor is connected to the first terminal of the output end of the filter inductor functional circuit.

5. The sports equipment control panel according to claim 2, characterized in that: The third filtering subcircuit includes a first resistor, a first safety capacitor, a second resistor, a second safety capacitor, a fourth inductor and a first inductor; The first end of the first resistor, the pin 1 of the first inductor, and the pin 1 of the fourth inductor are all connected to the neutral terminal of the power input interface; The second end of the first resistor is connected to the first end of the first safety capacitor, the second end of the second resistor is connected to the first end of the second safety capacitor, and the second end of the first safety capacitor and the second end of the second safety capacitor are both connected to the ground terminal of the power input interface; Pin 2 of the first inductor and pin 2 of the fourth inductor are both connected to the live wire terminal of the power input interface; pin 3 of the first inductor and pin 3 of the fourth inductor are both connected to the second terminal of the output end of the filter inductor functional circuit; pin 4 of the first inductor and pin 4 of the fourth inductor are both connected to the first terminal of the output end of the filter inductor functional circuit.

6. The sports equipment control panel according to claim 2, characterized in that: The fourth filtering subcircuit comprises a third resistor, a third safety capacitor, a fourth resistor, a fourth safety capacitor and a second inductor; The first end of the third resistor is connected to the pin 2 of the second inductor; the first end of the fourth resistor is connected to the pin 1 of the second inductor; The second end of the third resistor is connected to the first end of the third safety capacitor, and the second end of the fourth resistor is connected to the first end of the fourth safety capacitor; the second end of the third safety capacitor and the second end of the fourth safety capacitor are both connected to the ground terminal of the power input interface; Pin 3 of the second inductor is connected to the second terminal of the output end of the filter inductor functional circuit, and pin 4 of the second inductor is connected to the first terminal of the output end of the filter inductor functional circuit.

7. The sports equipment control panel according to any one of claims 1 to 2, characterized in that: The filter reactance functional circuit includes a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, a first safety capacitor, a second safety capacitor, a third safety capacitor, a fourth safety capacitor, a first resistor, a second resistor, a third resistor, a fourth resistor, a first inductor, a second inductor and a fourth inductor; The first end of the second capacitor, the first end of the fourth capacitor, the first end of the second resistor, the pin 2 of the first inductor and the pin 2 of the fourth inductor are all connected to the live wire terminal of the power input interface; The second end of the second capacitor, the second end of the fourth capacitor, the first end of the first resistor, the pin 1 of the first inductor, and the pin 1 of the fourth inductor are all connected to the neutral terminal of the power input interface; The second end of the first resistor is connected to the first end of the first safety capacitor, the second end of the second resistor is connected to the first end of the second safety capacitor, the second end of the third resistor is connected to the first end of the third safety capacitor, and the second end of the fourth resistor is connected to the first end of the fourth safety capacitor; the second ends of the first safety capacitor, the second safety capacitor, the third safety capacitor and the fourth safety capacitor are all connected to the ground terminal of the power input interface; Pin 3 of the first inductor is connected to pin 3 of the fourth inductor, the first end of the third resistor, the first end of the first capacitor, the first end of the third capacitor and pin 2 of the second inductor; Pin 4 of the first inductor is connected to pin 4 of the fourth inductor, the first end of the fourth resistor, the second end of the first capacitor, the second end of the third capacitor and pin 1 of the second inductor; Pin 3 of the second inductor is connected to the second terminal of the output end of the filter inductor functional circuit, and pin 4 of the second inductor is connected to the first terminal of the output end of the filter inductor functional circuit.

8. The sports equipment control panel according to any one of claims 1 to 2, characterized in that: The main control circuit includes a motor controller and a motor drive chip. The control output end of the motor controller is connected to the control input end of the motor drive chip. The power input end of the main control circuit is the power input end of the motor drive chip.

9. Sports equipment, characterized in that A sports equipment control panel comprising any one of claims 1-8.

10. The sports equipment according to claim 9, characterized in that The sports equipment is a treadmill.

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