Damping feedback regulation circuit and exercise device

Abstract

The utility model discloses a kind of damping feedback regulation circuit and motion equipment, it is related to damping adjustment technical field.Motion equipment includes three-phase generator, damping coil, rotating member, rectifier circuit and filter circuit, damping coil is fixedly connected with rotating member, damping coil is used to provide damping for rotating member, damping feedback regulation circuit includes: main control circuit;Damping adjustment circuit, for receiving the damping adjustment signal of main control circuit output and output corresponding current to damping coil;First voltage detection circuit, for detecting the output voltage of filter circuit and output first voltage detection signal;First current detection circuit, for detecting the output current of filter circuit and output first current detection signal;Second current detection circuit, for detecting the input current of damping adjustment circuit and output second current detection signal;Wherein, main control circuit is used to make damping adjustment circuit output corresponding current.The utility model aims at improving the functionality of motion equipment.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of damping adjustment, particularly relates to a damping feedback adjustment circuit and motion equipment. BACKGROUND

[0002] The motion energy storage bicycle can satisfy people's indoor exercise and energy utilization, and meets people's demand for indoor exercise. Different users have different needs for the same motion energy storage bicycle. For example, the exercise ability of the elderly and children is usually weak, while the exercise ability of young people and middle-aged people is usually strong. However, the current motion energy storage bicycle usually does not have the function of damping gear adjustment, or has the problem of low accuracy of damping gear adjustment. SUMMARY

[0003] The main purpose of the utility model is to provide a damping feedback adjustment circuit and motion equipment, which aims to improve the functionality of the motion equipment.

[0004] In order to achieve the above purpose, the damping feedback adjustment circuit provided by the utility model is applied to the motion equipment, which includes a three-phase generator, a damping coil, a rotating part, a rectifier circuit and a filter circuit. The damping coil is fixedly connected with the rotating part, and is used to provide damping for the rotating part. The input end of the rectifier circuit is electrically connected with the output end of the three-phase generator. The rectifier circuit is used to convert the alternating current output by the three-phase generator into direct current and output. The input end of the filter circuit is electrically connected with the output end of the rectifier circuit, and the output end of the filter circuit is electrically connected with the voltage detection circuit and the current detection circuit. The filter circuit is used to output the direct current output by the rectifier circuit after filtering. The damping feedback adjustment circuit includes:

[0005] A main control circuit;

[0006] A damping adjustment circuit, the input end of the damping adjustment circuit is electrically connected with the negative electrode end of the power supply of the damping coil, the controlled end of the damping adjustment circuit is electrically connected with the main control circuit, and the output end of the damping adjustment circuit is electrically connected with the input end of the damping coil. The damping adjustment circuit is used to receive the damping adjustment signal output by the main control circuit, and output the corresponding current to the damping coil;

[0007] A first voltage detection circuit, the input end of the first voltage detection circuit is electrically connected with the output end of the filter circuit, and the output end of the first voltage detection circuit is electrically connected with the main control circuit. The first voltage detection circuit is used to detect the output voltage of the filter circuit and output the first voltage detection signal;

[0008] A first current detection circuit, an input end of the first current detection circuit is electrically connected with an output end of the filter circuit, and an output end of the first current detection circuit is electrically connected with the master control circuit; the first current detection circuit is used for detecting an output current of the filter circuit and outputting a first current detection signal

[0009] A second current detection circuit, an input end of the second current detection circuit is electrically connected with an input end of the damping adjustment circuit, and an output end of the second current detection circuit is electrically connected with the master control circuit; the input detection circuit is used for detecting an input current of the damping adjustment circuit and outputting a second current detection signal;

[0010] The master control circuit is used for receiving the first voltage detection signal and the second current detection signal, and outputting a corresponding damping adjustment signal to the damping adjustment circuit, so that the damping adjustment circuit outputs a corresponding current; the master control circuit is also used for receiving the second current detection signal and adjusting the output damping adjustment signal.

[0011] In an embodiment, the damping adjustment circuit comprises a switch circuit, an input end of the switch circuit is electrically connected with a negative electrode end of a power supply of the damping coil, a controlled end of the switch circuit is electrically connected with an output end of the master control circuit, and an output end of the switch circuit is electrically connected with a ground end; the switch circuit is used for receiving the damping adjustment signal and turning on or turning off a path between the damping coil and the ground end.

[0012] In an embodiment, the damping adjustment circuit further comprises a drive circuit, an input end of the drive circuit is electrically connected with an output end of the master control circuit, and an output end of the drive circuit is electrically connected with the controlled end of the switch circuit; the drive circuit is used for receiving the damping adjustment signal and outputting a drive signal, so that the switch circuit turns on or turns off the path between the damping coil and the ground end.

[0013] In an embodiment, the drive circuit comprises a first resistor, a second resistor, a first capacitor, a second capacitor, a drive chip; and the switch circuit comprises a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a seventh resistor, a third capacitor, a first diode, and a first switch tube.

[0014] The first end of the first resistor is electrically connected with the output end of the master control circuit, and the second end of the first resistor is electrically connected with the first end of the second resistor; the second end of the second resistor is electrically connected with the third end of the driving chip; the first end of the first capacitor is electrically connected with a power supply end, the first end of the second capacitor, and the first end of the driving chip, and the second end of the first capacitor is electrically connected with a grounding end, the second end of the second capacitor, and the second end of the driving chip; the fourth end of the driving chip is electrically connected with the grounding end, and the fifth end of the driving chip is electrically connected with the first end of the third resistor and the second end of the fourth resistor; the second end of the third resistor is electrically connected with the first end of the fifth resistor, the first end of the sixth resistor, and the anode of the first diode; the second end of the fourth resistor is electrically connected with the cathode of the first diode; the second end of the fifth resistor is electrically connected with the controlled end of the first switch tube; the second end of the sixth resistor is electrically connected with the grounding end, the second end of the first switch tube, and the second end of the seventh resistor; the first end of the seventh resistor is electrically connected with the second end of the third capacitor; and the first end of the third capacitor is electrically connected with the first end of the first switch tube and the power supply negative end of the damping coil.

[0015] In an embodiment, the damping adjustment circuit further comprises a protection circuit, a first end of the protection circuit is electrically connected with the output end of the filter circuit, and a second end of the protection circuit is electrically connected with the input end of the switching circuit; the protection circuit is used for limiting the voltage and current input to the damping coil within a preset range.

[0016] In an embodiment, the protection circuit comprises an eighth resistor, a fourth capacitor, a fifth capacitor, a sixth capacitor, and a second diode.

[0017] The first end of the fourth capacitor is electrically connected with the first end of the fifth capacitor, the first end of the sixth capacitor, the cathode of the second diode, and the output end of the filter circuit, the second end of the fourth capacitor is electrically connected with the second end of the fifth capacitor, the second end of the eighth resistor, and the input end of the switching circuit; and the first end of the eighth resistor is electrically connected with the second end of the sixth capacitor.

[0018] In an embodiment, the first voltage detection circuit comprises a ninth resistor and a tenth resistor; and the first current detection circuit comprises a current sensor, a seventh capacitor, an eighth capacitor, a ninth capacitor, and a tenth capacitor.

[0019] The first end of the ninth resistor is electrically connected with the output end of the filter circuit, the second end of the ninth resistor is electrically connected with the first end of the tenth resistor and the main control circuit; the second end of the tenth resistor is electrically connected with the ground end; the first end and the second end of the current sensor are electrically connected with the first end of the ninth resistor, the third end and the fourth end of the current sensor are electrically connected with the current output end, the first end of the seventh capacitor and the first end of the eighth capacitor, the fifth end of the current sensor is electrically connected with the second end of the ninth capacitor and the ground end, the sixth end of the current sensor is electrically connected with the first end of the ninth capacitor, the seventh end of the current sensor is electrically connected with the main control circuit, and the eighth end of the current sensor is electrically connected with the power supply end and the first end of the tenth capacitor; the second end of the seventh capacitor is electrically connected with the second end of the eighth capacitor and the ground end; and the second end of the tenth capacitor is electrically connected with the ground end.

[0020] In an embodiment, the damping feedback adjustment circuit further comprises a trigger switching circuit, an output end of the trigger switching circuit being electrically connected with the main control circuit; the trigger switching circuit is used for outputting a corresponding gear switching signal when being triggered.

[0021] The main control circuit is used for receiving the gear switching signal and outputting a corresponding damping adjustment signal to the damping adjustment circuit, so that the damping adjustment circuit outputs a corresponding current.

[0022] In an embodiment, the damping feedback adjustment circuit further comprises a prompt circuit, an input end of the prompt circuit being electrically connected with the main control circuit; the prompt circuit is used for outputting a prompt signal.

[0023] The utility model also proposes a motion equipment, the motion equipment includes three -phase generator, damping coil, rotating part, rectifier circuit, filter circuit and the damping feedback adjustment circuit of any one of the above;

[0024] The damping coil is fixedly connected with the rotating part, and the damping coil is used for providing damping for the rotating part; the input end of the rectifier circuit is electrically connected with the output end of the three -phase generator; the rectifier circuit is used for converting alternating current output by the three -phase generator into direct current and outputting; the input end of the filter circuit is electrically connected with the output end of the rectifier circuit, and the output end of the filter circuit is electrically connected with the voltage detection circuit and the current detection circuit; the filter circuit is used for outputting direct current output by the rectifier circuit after filtering processing.

[0025] The utility model discloses technical scheme adopts first voltage detection circuit and first current detection circuit to detect the voltage and current that three -phase alternator is outputted through rectifier circuit and filter circuit, and exports corresponding first voltage detection signal and first current detection signal to main control circuit. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the utility model embodiment or prior art technical scheme, below will to the embodiment or prior art description needed to use the drawing briefly introduced, obviously, below description's drawing only some embodiments of the utility model, for the ordinary skilled person in the art comes, under the premise of not paying the creative labor, can also obtain other drawings according to the structure shown in these drawings.

[0027] Fig. 1 It is the module schematic diagram of the utility model damping feedback regulation circuit;

[0028] Fig. 2 It is the circuit schematic diagram of the utility model damping feedback regulation circuit one embodiment;

[0029] Fig. 3 It is the circuit schematic diagram of the utility model damping feedback regulation circuit another embodiment.

[0030] BRIEF DESCRIPTION OF DRAWINGS

[0031] 10, main control circuit;20, damping regulation circuit;30, first voltage detection circuit;40, first current detection circuit;50, second current detection circuit;R1-R11, first resistance - eleventh resistance;C1-C10, first capacitor - tenth capacitor;Q1, first switch tube;D1-D2, first diode - second diode.

[0032] The utility model discloses the realization, functional characteristics and advantages will be further explained with reference to the embodiment, the drawing. DETAILED DESCRIPTION

[0033] With reference to the accompanying drawings, the technical solutions in the embodiments of the present application will be clearly and completely described below, obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0034] It should be noted that all the directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, etc. between the components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directional indications will also change accordingly.

[0035] In addition, the description of "first", "second" and the like in the present application is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the fact that a person skilled in the art can realize it, and when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the scope of protection required by the present application.

[0036] The motion energy storage bicycle is a product that can meet the needs of people for indoor exercise and energy utilization, and meets the needs of people for indoor exercise. For the same motion energy storage bicycle, different users have different needs. For example, the exercise ability of the elderly and children is usually weak, while the exercise ability of young people and middle-aged people is usually strong. However, the current motion energy storage bicycle usually does not have the function of adjusting the damping gear, or has the problem of low accuracy of adjusting the damping gear.

[0037] Therefore, with reference to Figs. 1-3 The present application provides a kind of damping feedback regulation circuit, applied to motion equipment, the motion equipment includes three-phase generator, damping coil, rotating member, rectifier circuit and filter circuit, the damping coil is fixedly connected with the rotating member, and the damping coil is used to provide damping for the rotating member;The input end of the rectifier circuit is electrically connected with the output end of the three-phase generator;The rectifier circuit is used to convert the alternating current output by the three-phase generator into direct current and output;The input end of the filter circuit is electrically connected with the output end of the rectifier circuit, and the output end of the filter circuit is electrically connected with the voltage detection circuit and the current detection circuit;The filter circuit is used to output after filtering the direct current output by the rectifier circuit;The damping feedback regulation circuit includes:

[0038] a main control circuit 10;

[0039] a damping adjustment circuit 20, an input end of the damping adjustment circuit 20 being electrically connected with a power negative end of the damping coil, a controlled end of the damping adjustment circuit 20 being electrically connected with the main control circuit 10, and an output end of the damping adjustment circuit 20 being electrically connected with an input end of the damping coil; the damping adjustment circuit 20 is used for receiving a damping adjustment signal output by the main control circuit 10 and outputting a corresponding current to the damping coil;

[0040] a first voltage detection circuit 30, an input end of the first voltage detection circuit 30 being electrically connected with an output end of the filter circuit, and an output end of the first voltage detection circuit 30 being electrically connected with the main control circuit 10; the first voltage detection circuit 30 is used for detecting an output voltage of the filter circuit and outputting a first voltage detection signal;

[0041] a first current detection circuit 40, an input end of the first current detection circuit 40 being electrically connected with an output end of the filter circuit, and an output end of the first current detection circuit 40 being electrically connected with the main control circuit 10; the first current detection circuit 40 is used for detecting an output current of the filter circuit and outputting a first current detection signal

[0042] a second current detection circuit 50, an input end of the second current detection circuit 50 being electrically connected with an input end of the damping adjustment circuit 20, and an output end of the second current detection circuit 50 being electrically connected with the main control circuit 10; the input detection circuit is used for detecting an input current of the damping adjustment circuit 20 and outputting a second current detection signal;

[0043] The main control circuit 10 is used for receiving the first voltage detection signal and the second current detection signal, outputting a corresponding damping adjustment signal to the damping adjustment circuit 20, so that the damping adjustment circuit 20 outputs a corresponding current; the main control circuit 10 is also used for receiving the second current detection signal and adjusting the output damping adjustment signal.

[0044] In the embodiment, the damping adjustment circuit 20 can be implemented as a linear current regulation circuit, a switch mode current regulation circuit, etc. The linear current regulation circuit forms a feedback loop through a variable resistor (usually a transistor) and a sensing resistor to maintain a constant current output. The switch mode current regulation circuit uses a PWM signal to control a switching element (such as a MOSFET), and measures the current through a sensing resistor, then adjusts the PWM duty cycle according to the feedback to maintain a constant current. It can be understood that the damping coil can generate a variable magnetic field by changing the current flowing through the coil, and interact with the flywheel to generate resistance. Therefore, by changing the current flowing through the coil, the resistance level can be accurately controlled. In the embodiment, the damping adjustment circuit 20 includes a switching circuit, an input end of the switching circuit is electrically connected with a negative electrode end of a power supply of the damping coil, a controlled end of the switching circuit is electrically connected with an output end of the master control circuit 10, and an output end of the switching circuit is electrically connected with a ground end; the switching circuit is used for receiving the damping adjustment signal and turning on or off a path between the damping coil and the ground end. Further, the damping adjustment circuit 20 further includes a driving circuit, an input end of the driving circuit is electrically connected with the output end of the master control circuit 10, and an output end of the driving circuit is electrically connected with the controlled end of the switching circuit; the driving circuit is used for receiving the damping adjustment signal and outputting a driving signal to make the switching circuit turn on or off the path between the damping coil and the ground end.Specifically, the driving circuit comprises a first resistor R1, a second resistor R2, a first capacitor C1, a second capacitor C2, a driving chip; the switching circuit comprises a third resistor R3, a fourth resistor R4, a fifth resistor R5, a sixth resistor R6, a seventh resistor R7, a third capacitor C3, a first diode D1, a first switch Q1; wherein the first end of the first resistor R1 is electrically connected with the output end of the master control circuit 10, the second end of the first resistor R1 is electrically connected with the first end of the second resistor R2; the second end of the second resistor R2 is electrically connected with the third end of the driving chip; the first end of the first capacitor C1, the first end of the second capacitor C2 and the first end of the driving chip are electrically connected with the power supply end, the second end of the first capacitor C1, the second end of the second capacitor C2 and the second end of the driving chip are electrically connected with the ground end; the fourth end of the driving chip is electrically connected with the ground end, the fifth end of the driving chip is electrically connected with the first end of the third resistor R3 and the second end of the fourth resistor R4; the second end of the third resistor R3 is electrically connected with the first end of the fifth resistor R5, the first end of the sixth resistor R6 and the anode of the first diode D1; the second end of the fourth resistor R4 is electrically connected with the cathode of the first diode D1; the second end of the fifth resistor R5 is electrically connected with the controlled end of the first switch Q1; the second end of the sixth resistor R6 is electrically connected with the ground end, the second end of the first switch Q1 and the second end of the seventh resistor R7; the first end of the seventh resistor R7 is electrically connected with the second end of the third capacitor C3; the first end of the third capacitor C3 is electrically connected with the first end of the first switch Q1 and the power supply negative end of the damping coil. It can be understood that the output of the filter circuit is filtered by the first capacitor C1 and the second capacitor C2 to reduce power supply noise. The driving chip is a low-side gate driver, which mainly functions to enhance the control signal to quickly and effectively switch the first switch Q1, and specifically, SL27517 can be used. The master control circuit 10 adjusts the duty cycle of the PWM signal output to the driving circuit, thereby adjusting the current flowing through the first switch Q1.

[0045] In the embodiment, the first voltage detection circuit 30 can be implemented by a voltage dividing circuit, a differential amplification circuit, a comparator circuit, etc. Among them, the voltage dividing circuit divides voltage by connecting two or more resistors in series, and reduces the voltage to be measured to the input range of the measuring instrument (such as ADC) in proportion. For example, two resistors are connected in series, and the measurement point is located between the two resistors. The voltage drop calculated by Ohm's law is a part of the voltage to be measured. In the embodiment, the first current detection circuit 40 can be implemented by a shunt resistance circuit, a Hall effect sensing circuit, etc. Among them, the shunt resistance circuit calculates the current by inserting a small resistance with a known resistance value in the circuit and then measuring the voltage drop across the resistance. Specifically, the first voltage detection circuit 30 includes a ninth resistor R9 and a tenth resistor R10; the first current detection circuit 40 includes a current sensor, a seventh capacitor C7, an eighth capacitor C8, a ninth capacitor C9, and a tenth capacitor C10; wherein the first end of the ninth resistor R9 is electrically connected with the output end of the filter circuit, the second end of the ninth resistor R9 is electrically connected with the first end of the tenth resistor R10 and the main control circuit 10; the second end of the tenth resistor R10 is electrically connected with the ground; the first end and the second end of the current sensor are electrically connected with the first end of the ninth resistor R9, the third end and the fourth end of the current sensor are electrically connected with the current output end, the first end of the seventh capacitor C7, and the first end of the eighth capacitor C8, the fifth end of the current sensor is electrically connected with the second end of the ninth capacitor C9 and the ground, the sixth end of the current sensor is electrically connected with the first end of the ninth capacitor C9, the seventh end of the current sensor is electrically connected with the main control circuit 10, the eighth end of the current sensor is electrically connected with the power supply end and the first end of the tenth capacitor C10; the second end of the seventh capacitor C7 is electrically connected with the second end of the eighth capacitor C8 and the ground; the second end of the tenth capacitor C10 is electrically connected with the ground. The current sensor can be implemented by ACS712ELCTR-20A-T. ACS712ELCTR-20A-T is a Hall effect current sensor that can detect the current flowing through its internal current path. The output signal of the sensor is proportional to the current flowing through the motor, which can be read and processed by the subsequent circuit. Further, in the embodiment, the objects to be detected by the first voltage detection circuit 30 and the first current detection circuit 40 are both the DC voltage output by the three-phase generator after the rectification circuit and the filter circuit. The first voltage detection circuit 30 and the first current detection circuit 40 output the first voltage detection signal and the first current detection signal obtained by detection to the main control circuit 10, so that the main control circuit 10 confirms the voltage and current output by the three-phase generator, and then performs corresponding actions. For example, output corresponding PWM control signals to the switching circuit to make the switching circuit perform corresponding conduction or shutdown actions.For example, when the first voltage detection signal and the current detection signal are greater than the preset voltage and the preset current, the corresponding switch circuit is turned on to make the power output by the three-phase generator output to the consumption resistance for consumption.

[0046] In the embodiment, the second current detection circuit 50 can be realized by using a shunt resistance circuit, a Hall effect sensing circuit, etc. The input end of the second current detection circuit 50 is electrically connected with the input end of the damping adjustment circuit 20, and the input end of the damping adjustment circuit 20 is electrically connected with the power negative terminal of the damping coil. The second current detection circuit 50 outputs a second current detection signal corresponding to the current flowing through the damping coil by detecting the power negative terminal of the damping coil. The main control circuit 10 confirms the current flowing through the damping coil by receiving the second current detection signal output by the second current detection circuit 50, so as to further adjust the damping adjustment driving signal output to the damping adjustment circuit 20.

[0047] The first voltage detection circuit 30 and the first current detection circuit 40 are used to detect the voltage and the current output by the three-phase alternating current generator through the rectifier circuit and the filter circuit, and output corresponding first voltage detection signals and first current detection signals to the main control circuit 10. The main control circuit 10 confirms the working state of the three-phase generator by receiving the first voltage detection signals and the first current detection signals, and outputs a corresponding damping adjustment signal to the damping adjustment circuit 20. The damping adjustment circuit 20 controls the current input to the damping coil by receiving the corresponding damping adjustment signal, so as to adjust the damping provided by the damping coil for the rotating member. In addition, the main control circuit 10 also detects the input current of the damping adjustment circuit 20 through the second current detection circuit 50, so as to realize the technical effect of closed-loop feedback precise adjustment, and stably improve the functionality of the sports equipment.

[0048] Reference Fig. 2 In an embodiment of the utility model, the damping adjustment circuit 20 further includes a protection circuit, the first end of the protection circuit is electrically connected with the output end of the filter circuit, and the second end of the protection circuit is electrically connected with the input end of the switch circuit. The protection circuit is used to limit the voltage and the current input to the damping coil within a preset range.

[0049] In the embodiment, the protection circuit can be implemented by using a current limiting circuit, a clamping circuit, etc. Optionally, the protection circuit comprises an eighth resistor R8, a fourth capacitor C4, a fifth capacitor C5, a sixth capacitor C6, and a second diode D2; wherein a first end of the fourth capacitor C4 is electrically connected with a first end of the fifth capacitor C5, a first end of the sixth capacitor C6, a cathode of the second diode D2, and an output end of the filter circuit; a second end of the fourth capacitor C4 is electrically connected with a second end of the fifth capacitor C5, a second end of the eighth resistor R8, and an input end of the switching circuit; and a first end of the eighth resistor R8 is electrically connected with a second end of the sixth capacitor C6. Further, the second diode D2 can be implemented by using a Schottky diode. The second diode D2 is used to realize the current and voltage flowing through the damping coil by using a corresponding diode. The eighth resistor R8, the fourth capacitor C4, the fifth capacitor C5, and the sixth capacitor C6 are used for filtering the input power supply.

[0050] In an embodiment of the utility model, the damping feedback adjusting circuit further includes trigger switching circuit, output of trigger switching circuit is electrically connected with main control circuit 10, trigger switching circuit is used for outputting corresponding gear switching signal when being triggered,

[0051] Wherein, main control circuit 10 is used for receiving gear switching signal, and corresponding damping adjusting signal is outputted to damping adjusting circuit 20, so that damping adjusting circuit 20 outputs corresponding current.

[0052] In the embodiment, the trigger switching circuit can be implemented by using a physical trigger button, a touch display component and a trigger circuit. After the trigger switching circuit is triggered artificially, the corresponding gear switching signal is outputted to the main control circuit 10, so that the main control circuit 10 performs corresponding actions according to the gear switching signal. It can be understood that the sports equipment can select different gears for different user groups in actual application, so as to meet the use requirements of different user groups. Further, the main control circuit 10 receives the corresponding gear switching signal, and then outputs the corresponding damping adjusting signal to the damping adjusting circuit 20, so as to make it output the corresponding current.

[0053] In an embodiment of the utility model, the damping feedback adjusting circuit further includes prompt circuit, input of prompt circuit is electrically connected with main control circuit 10, and prompt circuit is used for outputting prompt signal.

[0054] In the embodiment, the prompting circuit can be implemented by a visual prompting circuit, a voice prompting circuit, etc. The visual prompting circuit can be provided with corresponding marks on the surface of the motion device, in combination with an LED prompting circuit, so as to output corresponding prompting signals under the condition that the damping adjusting circuit 20 controls the damping coil to perform corresponding actions, so as to enable the user to confirm the current damping state of the motion device.

[0055] The utility model also proposes a kind of motion equipment, the motion equipment includes three-phase generator, damping coil, rotating member, rectifier circuit, filter circuit and the damping feedback adjusting circuit as any one described above;Wherein, the damping coil is fixedly connected with the rotating member, and the damping coil is used to provide damping for the rotating member;The input end of the rectifier circuit is electrically connected with the output end of the three-phase generator;The rectifier circuit is used to convert the alternating current output by the three-phase generator into direct current and output;The input end of the filter circuit is electrically connected with the output end of the rectifier circuit, and the output end of the filter circuit is electrically connected with the voltage detection circuit, the current detection circuit;The filter circuit is used to output direct current output by rectifier circuit after filtering processing. It is worth noting that, since the utility model motion equipment is based on the above-mentioned damping feedback adjusting circuit, therefore, the embodiment of the utility model motion equipment includes all the technical solutions of all the embodiments of the above-mentioned damping feedback adjusting circuit, and the technical effects achieved are also exactly the same, and here will not be repeated.

[0056] The above-mentioned is only the exemplary embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structural transformation made by using the utility model specification and drawing contents, or direct / indirect application in other related technical fields is included in the patent protection range of the utility model.

Claims

1. A damped feedback regulating circuit for use in a motion device, characterized by, The motion device comprises a three-phase generator, a damping coil, a rotating member, a rectifier circuit and a filter circuit, the damping coil is fixedly connected with the rotating member, and the damping coil is used for providing damping for the rotating member; the input end of the rectifier circuit is electrically connected with the output end of the three-phase generator; the rectifier circuit is used for converting alternating current output by the three-phase generator into direct current and outputting; the input end of the filter circuit is electrically connected with the output end of the rectifier circuit, and the output end of the filter circuit is electrically connected with the voltage detection circuit and the current detection circuit; The filter circuit is used for filtering and outputting direct current output by the rectifier circuit. The damping feedback adjustment circuit comprises: a main control circuit; a damping adjustment circuit, the input end of the damping adjustment circuit is electrically connected with the negative electrode end of the power supply of the damping coil, the controlled end of the damping adjustment circuit is electrically connected with the main control circuit, and the output end of the damping adjustment circuit is electrically connected with the input end of the damping coil; the damping adjustment circuit is used for receiving a damping adjustment signal output by the main control circuit and outputting a corresponding current to the damping coil; a first voltage detection circuit, the input end of the first voltage detection circuit is electrically connected with the output end of the filter circuit, and the output end of the first voltage detection circuit is electrically connected with the main control circuit; the first voltage detection circuit is used for detecting the output voltage of the filter circuit and outputting a first voltage detection signal; a first current detection circuit, the input end of the first current detection circuit is electrically connected with the output end of the filter circuit, and the output end of the first current detection circuit is electrically connected with the main control circuit; the first current detection circuit is used for detecting the output current of the filter circuit and outputting a first current detection signal a second current detection circuit, the input end of the second current detection circuit is electrically connected with the input end of the damping adjustment circuit, and the output end of the second current detection circuit is electrically connected with the main control circuit; the input detection circuit is used for detecting the input current of the damping adjustment circuit and outputting a second current detection signal; The main control circuit is used for receiving the first voltage detection signal and the second current detection signal, outputting a corresponding damping adjustment signal to the damping adjustment circuit, so that the damping adjustment circuit outputs a corresponding current; and the main control circuit is also used for receiving the second current detection signal and adjusting the output damping adjustment signal.

2. The damped feedback regulating circuit of claim 1, wherein, The damping adjustment circuit comprises a switch circuit, the input end of the switch circuit is electrically connected with the negative electrode end of the power supply of the damping coil, the controlled end of the switch circuit is electrically connected with the output end of the main control circuit, and the output end of the switch circuit is electrically connected with a grounding end; the switch circuit is used for receiving the damping adjustment signal and turning on or turning off the path between the damping coil and the grounding end.

3. The damped feedback regulating circuit of claim 2, wherein, The damping adjustment circuit further comprises a driving circuit, an input end of the driving circuit is electrically connected with an output end of the main control circuit, and an output end of the driving circuit is electrically connected with a controlled end of the switching circuit; the driving circuit is used for receiving the damping adjustment signal and outputting a driving signal, so that the switching circuit turns on or turns off a path between the damping coil and the ground end.

4. The damped feedback regulating circuit of claim 3, wherein, The driving circuit comprises a first resistor, a second resistor, a first capacitor, a second capacitor and a driving chip; the switching circuit comprises a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a seventh resistor, a third capacitor, a first diode and a first switch tube; The first end of the first resistor is electrically connected with the output end of the main control circuit, and the second end of the first resistor is electrically connected with the first end of the second resistor; the second end of the second resistor is electrically connected with the third end of the driving chip; the first end of the first capacitor, the first end of the second capacitor and the first end of the driving chip are electrically connected with a power supply end, the second end of the first capacitor, the second end of the second capacitor and the second end of the driving chip are electrically connected with a ground end; the fourth end of the driving chip is electrically connected with the ground end, the fifth end of the driving chip is electrically connected with the first end of the third resistor and the second end of the fourth resistor; the second end of the third resistor is electrically connected with the first end of the fifth resistor, the first end of the sixth resistor and the anode of the first diode; the second end of the fourth resistor is electrically connected with the cathode of the first diode; the second end of the fifth resistor is electrically connected with the controlled end of the first switch tube; the second end of the sixth resistor, the second end of the first switch tube and the second end of the seventh resistor are electrically connected with the ground end; the first end of the seventh resistor is electrically connected with the second end of the third capacitor; the first end of the third capacitor is electrically connected with the first end of the first switch tube and the negative power supply end of the damping coil.

5. The damped feedback regulating circuit of claim 2, wherein, The damping adjustment circuit further comprises a protection circuit, a first end of the protection circuit is electrically connected with an output end of the filtering circuit, and a second end of the protection circuit is electrically connected with an input end of the switching circuit; the protection circuit is used for limiting the voltage and current input to the damping coil within a preset range.

6. The damped feedback regulating circuit of claim 5, wherein, The protection circuit comprises an eighth resistor, a fourth capacitor, a fifth capacitor, a sixth capacitor and a second diode; The first end of the fourth capacitor, the first end of the fifth capacitor, the first end of the sixth capacitor, the cathode of the second diode and the output end of the filtering circuit are electrically connected, and the second end of the fourth capacitor is electrically connected with the second end of the fifth capacitor, the second end of the eighth resistor and the input end of the switching circuit; the first end of the eighth resistor is electrically connected with the second end of the sixth capacitor.

7. The damped feedback regulating circuit of claim 1, wherein, The first voltage detection circuit comprises a ninth resistor and a tenth resistor; the first current detection circuit comprises a current sensor, a seventh capacitor, an eighth capacitor, a ninth capacitor and a tenth capacitor; The first end of the ninth resistor is electrically connected with the output end of the filter circuit, the second end of the ninth resistor is electrically connected with the first end of the tenth resistor and the main control circuit; the second end of the tenth resistor is electrically connected with the ground end; the first end and the second end of the current sensor are electrically connected with the first end of the ninth resistor, the third end and the fourth end of the current sensor are electrically connected with the current output end, the first end of the seventh capacitor and the first end of the eighth capacitor, the fifth end of the current sensor is electrically connected with the second end of the ninth capacitor and the ground end, the sixth end of the current sensor is electrically connected with the first end of the ninth capacitor, the seventh end of the current sensor is electrically connected with the main control circuit, the eighth end of the current sensor is electrically connected with the power supply end and the first end of the tenth capacitor; the second end of the seventh capacitor is electrically connected with the second end of the eighth capacitor and the ground end; the second end of the tenth capacitor is electrically connected with the ground end.

8. The damped feedback regulating circuit of claim 1, wherein, The damping feedback regulation circuit further comprises a trigger switching circuit, and an output end of the trigger switching circuit is electrically connected with the main control circuit; the trigger switching circuit is used for outputting a corresponding gear switching signal when being triggered. The main control circuit is used for receiving the gear switching signal and outputting a corresponding damping adjustment signal to the damping adjustment circuit, so that the damping adjustment circuit outputs a corresponding current.

9. The damped feedback adjustment circuit of claim 1, wherein, The damping feedback regulation circuit further comprises a prompt circuit, and an input end of the prompt circuit is electrically connected with the main control circuit; the prompt circuit is used for outputting a prompt signal.

10. Sports equipment, characterized in that The motion device comprises a three-phase generator, a damping coil, a rotating member, a rectifier circuit, a filter circuit and the damping feedback regulation circuit according to any one of claims 1 to 9. The damping coil is fixedly connected with the rotating member, and the damping coil is used for providing damping for the rotating member; an input end of the rectifier circuit is electrically connected with an output end of the three-phase generator; the rectifier circuit is used for converting alternating current output by the three-phase generator into direct current and outputting; an input end of the filter circuit is electrically connected with an output end of the rectifier circuit, and an output end of the filter circuit is electrically connected with the voltage detection circuit and the current detection circuit; the filter circuit is used for filtering and outputting direct current output by the rectifier circuit.

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