WO2023040773A1

WO2023040773A1 - Fitness equipment and internal magnetic control apparatus thereof, magnetic control apparatus and resistance calibration method therefor

Info

Publication number: WO2023040773A1
Application number: PCT/CN2022/118142
Authority: WO
Inventors: 乔伟
Original assignee: 宁波道康智能科技有限公司
Priority date: 2021-09-19
Filing date: 2022-09-09
Publication date: 2023-03-23
Also published as: CN117677426A

Abstract

Fitness equipment and an internal magnetic control apparatus thereof (100), a magnetic control apparatus (100A) and a resistance calibration method therefor. The internal magnetic control apparatus (100) comprises a slider (20), a connecting rod (40), a magnetic element (50), a swing arm (30) and a housing (10). Two ends of the connecting rod (40) are rotatably mounted on the slider (20) and a driven end (32) of the swing arm (30) respectively, and the magnetic element (50) is arranged on the outer side of the swing arm (30); the housing (10) is provided with a central through hole (101), a housing space (102), a peripheral opening (103), an avoidance space (104), and a sliding rail (105); the housing space (102) is located on the outer side of the central through hole (101); the peripheral opening (103) communicates with the housing space (102); the avoidance space (104) extends from the housing space (102) to the central through hole (101); and the extension direction of the sliding rail (105) is consistent with the radius direction of the housing (10); a pivot end (31) of the swing arm (30) is rotatably mounted on the edge of the housing (10); the slider (20) is slidably mounted on the sliding rail (105), and the slider (20) is allowed to slide to the avoidance space (104) of the housing (10) so as to increase the travel length thereof.

Description

Fitness equipment and its internal magnetic control device, magnetic control device and its resistance calibration method

technical field

The invention relates to the field of fitness equipment, in particular to a fitness equipment and its internal magnetic control device, the magnetic control device and its resistance calibration method.

Background technique

In recent years, with the continuous development of the social economy and the continuous improvement of people's health awareness, more and more people choose to do physical exercise at home or in the gym, among which spinning bikes, elliptical machines, rowing machines, etc. are used for aerobic sports. Fitness equipment is the first choice for people to do physical exercise. The common feature of this type of fitness equipment is to provide an inner magnetic control device and a flywheel surrounding the outer side of the inner magnetic control device. The user can perform physical exercise by driving the flywheel to rotate, wherein when the flywheel is driven to the inner When the outer side of the magnetic control device rotates, the flywheel cuts the magnetic induction line of the inner magnetic control device to obtain a load. In order to facilitate users to use the fitness equipment to obtain different fitness effects, the load of the flywheel is allowed to be adjusted, and the way to adjust the load of the flywheel is to make the internal magnetic control device provide at least one swing arm, which is installed with magnetic elements, through The way of driving the swing arm to swing adjusts the distance between the magnetic element and the flywheel, thereby adjusting the load of the flywheel. Specifically, when the swing arm swings to make the magnetic element away from the flywheel, the load of the flywheel is adjusted to be small; correspondingly, when the swing arm swings to make the magnetic element close to the flywheel, the load of the flywheel is adjusted turn up. How to drive the swing arm to swing in a wider range and allow the load of the flywheel to be adjusted in a wider range is a technical problem that the inventors of the present invention are devoted to solving.

In another kind of fitness equipment, it provides a magnetic control device, a flywheel and a driving device, the magnetic control device provides a magnetic field environment, the flywheel is drivably connected to the driving device, when the user drives the When the flywheel rotates in the magnetic field environment of the magnetic control device, the flywheel obtains load by cutting the magnetic field lines of the magnetic control device. The load of the flywheel determines the resistance value paid by the user when driving the drive device. The smaller the load of the flywheel, the smaller the resistance value paid by the user when driving the drive device. At this time, the user can drive more effortlessly. The driving device, on the contrary, the greater the load of the flywheel, the greater the resistance value paid by the user when driving the driving device. At this time, the user can drive the driving device with great effort. Therefore, by adjusting the load of the flywheel The method can adjust the resistance value paid by the user when driving the driving device.

The magnetic control device further provides at least one arm element, at least one magnetic element disposed on the arm element, at least one driving part for driving the arm element, and at least one feedback potentiometer for controlling the driving part. When the driving part is driven by When the arm member is used to adjust the distance between the magnetic element and the flywheel, the resistance value of the feedback potentiometer changes, so that the feedback potentiometer controls the working state of the driving part according to the change in resistance value, and then by controlling the drive The distance between the magnetic element and the flywheel is controlled by means of partially driving the position of the arm element to move, it is understood that the smaller the distance between the magnetic element and the flywheel, the flywheel cuts the magnetic control device when turning The greater the amount of magnetic flux lines, the greater the load on the flywheel, conversely, the greater the distance between the magnetic element and the flywheel, the less the amount of magnetic flux lines that cut the magnetic control device when the flywheel rotates , the smaller the load on the flywheel.

It can be seen that the position of the magnetic element of the magnetic control device determines the amount of the flywheel cutting the magnetic field lines of the magnetic control device when rotating, and further determines the resistance value paid by the user when driving the driving device. When the problem exists in the existing magnetic control device, due to the error generated by the feedback potentiometer itself and the error generated in the process of integrating the feedback potentiometer in the magnetic control device, when the magnetic control device is mass-produced , the consistency of a batch of magnetic control devices is poor. Specifically, there is an error in the starting point position and the ending point position of the resistance value of the feedback potentiometer, and the error range is between 0% and 5%, resulting in an error in the starting point position and the ending point position of the magnetic element and the error The range is between 0%-5%, and then the maximum reluctance difference of the magnetron device reaches 10%-20%, which seriously affects the consistency of a batch of the magnetron device. Although the error can be reduced by calibrating the resistance of the feedback potentiometer, the feedback potentiometer is integrated inside the magnetic control device, and the magnetic group difference of a batch of the magnetic control device must be completed in the magnetic control device It can only be detected after the assembly of the magnetic control device. At this time, even if the magnetic group difference of a batch of the magnetic control device is detected, if the resistance value of the feedback potentiometer is to be calibrated, the premise must be to disassemble the magnetic control device. Not only the production efficiency and calibration efficiency of the magnetic control device are low, but also the error of the feedback potentiometer will be caused again in the process of reassembling the magnetic control device after the resistance value of the feedback potentiometer is calibrated, resulting in calibration no significant effect.

Contents of the invention

An object of the present invention is to provide a fitness equipment and its internal magnetic control device, magnetic control device and its resistance value calibration method, wherein a slider of the internal magnetic control device can slide along a track formed by a slide rail At least one swing arm is driven to swing to adjust the distance between a set of magnetic elements arranged on the swing arm and a flywheel surrounding the inner magnetic control device, so as to adjust the load of the flywheel when driven to rotate.

One object of the present invention is to provide a fitness equipment and its internal magnetic control device, magnetic control device and its resistance value calibration method, wherein a housing of the internal magnetic control device provides an avoidance space to avoid the slider, so The slider is allowed to have a larger stroke range, so that the slider can drive the swing arm to swing within a larger swing range, thereby adjusting the flywheel when it is driven to rotate in a larger load range load.

One object of the present invention is to provide a fitness equipment and its internal magnetic control device, magnetic control device and its resistance value calibration method, wherein the sliding stroke of the slider can exceed 12mm, and can even reach 20mm, so that the slider has Greater travel range.

One object of the present invention is to provide a fitness equipment and its internal magnetic control device, magnetic control device and its resistance value calibration method, wherein the internal magnetic control device allows the key position of the slider to be calibrated without being disassembled , so that the production efficiency of the internal magnetic control device can be improved and the consistency of a batch of internal magnetic control devices can be easily controlled when the internal magnetic control device is produced in batches. For example, the internal magnetron allows calibration of the resistance initial position on the outside of the housing.

An object of the present invention is to provide a fitness equipment and its internal magnetic control device, magnetic control device and resistance calibration method thereof, wherein the internal magnetic control device provides a sliding potentiometer and a calibration potentiometer connected in series or in parallel, through The key position of the slider of the internal magnetic control device can be calibrated by fine-tuning the calibration potentiometer. For example, the initial position of the resistance of the internal magnetic control device can be calibrated by slightly rotating the calibration potentiometer.

One object of the present invention is to provide a fitness equipment and its internal magnetic control device, magnetic control device and its resistance calibration method, wherein the housing provides a calibration channel, and the calibration potentiometer inside the housing corresponds to the The calibration channel, so that the initial position of the resistance of the internal magnetic control device can be calibrated by rotating the calibration potentiometer through the calibration channel of the housing without disassembling the internal magnetic control device. The resistance calibration efficiency of the internal magnetic control device can be greatly improved.

An object of the present invention is to provide a fitness equipment and its internal magnetic control device, the magnetic control device and its resistance value calibration method, wherein the resistance value calibration method can accurately calibrate the resistance value of a batch of the magnetic control device.

An object of the present invention is to provide a fitness equipment and its internal magnetic control device, the magnetic control device and its resistance value calibration method, wherein the resistance value calibration method can easily calibrate the resistance value of batches of the magnetic control devices.

One object of the present invention is to provide a fitness equipment and its internal magnetic control device, magnetic control device and its resistance value calibration method, wherein the resistance value calibration method allows convenient and accurate The resistance value of the magnetic control device can be calibrated accurately, so the resistance value calibration method can not only greatly improve the production efficiency and calibration efficiency of the magnetic control device, but also can greatly improve the production efficiency of the magnetic control device in batches. consistency.

One object of the present invention is to provide a fitness equipment and its internal magnetic control device, magnetic control device and resistance value calibration method thereof, wherein the resistance value calibration method allows calibration of the magnetic control device outside the magnetic control device The resistance value, so that the magnetic control device does not need to be disassembled when the resistance value of the magnetic control device is calibrated.

One object of the present invention is to provide a fitness equipment and its internal magnetic control device, magnetic control device and its resistance value calibration method, wherein the resistance value calibration method provides a calibration potentiometer to allow fine adjustment of the resistance of the calibration potentiometer The resistance value of a potential control unit of the magnetic control device is calibrated by means of a value, so that the resistance value of the magnetic control device can be calibrated conveniently and accurately.

One object of the present invention is to provide a fitness equipment and its internal magnetic control device, magnetic control device and its resistance value calibration method, wherein the housing of the magnetic control device provides a calibration channel, through which the calibration channel of the housing can be The calibration potentiometer is manipulated such that the resistance calibration method allows fine adjustment of the calibration potentiometer's resistance outside the magnetron device. For example, the calibration potentiometer can be rotated through the calibration channel of the housing to adjust the resistance of the calibration potentiometer to calibrate the resistance of the feedback potentiometer.

According to one aspect of the present invention, the present invention provides an internal magnetic control device, which includes:

a slider;

at least one connecting rod;

at least one set of magnetic elements;

at least one swing arm, wherein the swing arm has a pivot end and a driven end corresponding to the pivot end, wherein a set of the magnetic elements is arranged on the outside of the swing arm, wherein the connecting rod The opposite ends of are respectively rotatably mounted on the driven end of the swing arm and the slider; and

A casing, wherein the casing has a central perforation, a housing space, a peripheral opening, an escape space and a slide rail, the housing space is located outside the central perforation, and the peripheral opening communicates with the casing body space, the avoidance space extends from the shell space to the direction of the central perforation, the extension direction of the slide rail is consistent with the radial direction of the casing, and the outer end of the slide rail faces the casing position in the edge direction, the inner end of the slide rail extends toward the direction of the avoidance space, wherein the pivot end of the swing arm is rotatably mounted on the edge of the housing, and the slide block is slidably ground mounted on the slide rail, and at least a part of the slide block is allowed to slide into the avoidance space of the housing.

According to an aspect of the present invention, the slide rail extends to the avoidance space.

According to one aspect of the present invention, the stroke of the slider is greater than 12mm.

According to one aspect of the present invention, the internal magnetic control device includes two connecting rods, two sets of magnetic elements and two swing arms, the pivot ends of the two swing arms are adjacent to each other, Each set of magnetic elements is respectively arranged on the outer side of each of the swing arms, and the opposite ends of each of the connecting rods are respectively rotatably mounted on the driven end of each of the swing arms and the each side of the slider described above.

According to one aspect of the present invention, the housing includes a bottom case and a case cover, the bottom case has a bottom case boss and a bottom case central hole formed on the bottom case boss, wherein the case cover There is a case cover boss and a case cover central hole formed on the case cover boss, wherein the bottom case and the case cover are connected by the bottom case boss of the bottom case and the case cover The bosses of the case cover are installed in such a way that they are attached to each other, so that the center hole of the bottom case of the bottom case corresponds to the center hole of the case cover of the case cover to form the center of the case. perforate, and form the housing space and the peripheral opening between the bottom case and the case cover, wherein the side wall of the bottom case boss of the bottom case faces toward the central hole of the bottom case The direction is concave to form the avoidance space of the housing.

According to one aspect of the present invention, the housing includes a bottom case and a case cover, the bottom case has a bottom case boss and a bottom case central hole formed on the bottom case boss, wherein the case cover There is a case cover boss and a case cover central hole formed on the case cover boss, wherein the bottom case and the case cover are connected by the bottom case boss of the bottom case and the case cover The bosses of the case cover are installed in such a way that they are attached to each other, so that the center hole of the bottom case of the bottom case corresponds to the center hole of the case cover of the case cover to form the center of the case. perforate, and form the housing space and the peripheral opening between the bottom case and the case cover, wherein the side wall of the bottom case boss of the bottom case faces toward the central hole of the bottom case The direction is concave inward to form a part of the avoidance space of the housing, and the side wall of the housing cover boss of the housing cover is concave inward toward the direction of the central hole of the housing cover to form the avoidance space of the housing. another part of the space.

According to one aspect of the present invention, the internal magnetic control device further includes a potential control unit, and the potential control unit includes a circuit board and a sliding potentiometer, wherein the circuit board is fixedly installed on the housing and is kept in the housing space, wherein the sliding potentiometer further includes a potentiometer body and a slide rod slidably mounted on the potentiometer body, the potentiometer body is attached to the circuit board , the slider is mounted on the slider.

According to an aspect of the present invention, the potential control unit further includes a calibration potentiometer, wherein the calibration potentiometer is mounted on the circuit board, and the calibration potentiometer is connected in series with the sliding potentiometer.

According to one aspect of the present invention, the housing has a calibration channel, and the calibration potentiometer corresponds to the calibration channel, so as to operate the calibration potentiometer through the calibration channel to calibrate the resistance of the internal magnetic control device initial position.

According to another aspect of the present invention, the present invention further provides a fitness equipment, which includes:

an equipment rack;

a stepping device, wherein said stepping device is steppably mounted to said equipment rack;

a flywheel, wherein said flywheel is rotatably mounted to said equipment frame and drivably connected to said treadle; and

An internal magnetic control device, wherein the internal magnetic control device further comprises:

a slider;

at least one connecting rod;

at least one set of magnetic elements;

A casing, wherein the casing has a central perforation, a housing space, a peripheral opening, an escape space and a slide rail, the housing space is located outside the central perforation, and the peripheral opening communicates with the casing body space, the avoidance space extends from the shell space to the direction of the central perforation, the extension direction of the slide rail is consistent with the radial direction of the casing, and the outer end of the slide rail faces the casing position in the edge direction, the inner end of the slide rail extends toward the direction of the avoidance space, wherein the pivot end of the swing arm is rotatably mounted on the edge of the housing, and the slide block is slidably is mounted on the slide rail, and at least a part of the slider is allowed to slide into the avoidance space of the housing, wherein a mounting shaft of the equipment rack is mounted on the inner magnetic control device The center of the shell is perforated to install the inner magnetic control device on the equipment rack, and the flywheel is wrapped around the outer side of the inner magnetic control device.

According to another aspect of the present invention, the present invention provides a resistance calibration method of a magnetic control device, wherein the resistance calibration method includes the following steps:

(a) at a target point, measure the actual power value of a flywheel in a rotating state, wherein the flywheel in a rotating state cuts the magnetic induction line of the magnetic control device to obtain a load; and

(b) Adjusting the resistance value of a calibration potentiometer of the magnetic control device, so that the actual power value of the flywheel is consistent with the design power value of the flywheel corresponding to the target point.

According to an embodiment of the present invention, in the step (b), the resistance value of the calibration potentiometer is adjusted by rotating the calibration potentiometer.

According to an embodiment of the present invention, in the step (b), the resistance value of the calibration potentiometer inside the magnetron device is calibrated outside the magnetron device.

According to an embodiment of the present invention, in the step (b), a tool is allowed to apply force to the calibration potentiometer through a calibration perforation of a housing of the magnetic control device, so as to adjust the calibration potentiometer Resistance.

According to another aspect of the present invention, the present invention further provides a magnetic control device, which includes:

a circuit board;

A potential control unit, wherein the potential control unit includes a feedback potentiometer and a calibration potentiometer, the feedback potentiometer and the calibration potentiometer are connected through the circuit board, wherein the feedback potentiometer further includes a a potentiometer body and a movable portion movably disposed on said potentiometer body; and

A magnetron main body, wherein the magnetron main body includes a shell, at least one swing arm and at least one set of magnetic elements, wherein the pivot end of the swing arm is rotatably arranged on the shell, and a set of the magnetic elements The components are arranged on the outside of the swing arm, the circuit board is mounted on the casing, and the active part of the feedback potentiometer is associated with the swing arm.

According to an embodiment of the present invention, the feedback potentiometer and the calibration potentiometer are connected in parallel.

According to an embodiment of the present invention, the feedback potentiometer and the calibration potentiometer are connected in series.

According to an embodiment of the present invention, the housing has a casing space, a peripheral opening communicating with the casing space, and a calibration channel, and the circuit board, the potential control unit, and the swing arm are respectively located in the The casing space of the casing, and a group of the magnetic elements are open toward the periphery of the casing, and the calibration potentiometer corresponds to the calibration channel of the casing.

According to an embodiment of the present invention, the housing has a sliding rail, and the extending direction of the sliding rail is consistent with the radial direction of the housing, wherein the magnetron body further includes at least one sliding block and at least one connecting rod, The slider is slidably arranged on the slide rail of the housing, and the opposite ends of the connecting rod are respectively rotatably mounted on the slider and the driven end of the swing arm, wherein the The sliding arm of the feedback potentiometer is mounted on the slider.

According to an embodiment of the present invention, the magnetic control body includes two swing arms, two sets of magnetic elements and two connecting rods, the pivot ends of the two swing arms are adjacent, and each set The magnetic elements are respectively arranged on the outside of each of the swing arms, and the opposite ends of each of the connecting rods are respectively rotatably mounted on the driven end of each of the swing arms and the slider. each side.

Description of drawings

The above and other objects, features and advantages of the present invention will become more apparent through a more detailed description of the embodiments of the present application in conjunction with the accompanying drawings. The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the specification, and are used together with the present invention to explain the content of the present invention, and do not constitute a limitation to the present invention. In the drawings, the same reference numerals generally represent the same components or steps.

FIG. 1 is a schematic diagram of an application environment of an inner magnetron device according to a preferred embodiment of the present invention, which shows a flywheel is wrapped around the outer side of the inner magnetron device.

FIG. 2 is a perspective view of the internal magnetron device according to the above-mentioned preferred embodiment of the present invention.

FIG. 3 is a schematic perspective view of another viewing angle of the internal magnetron device according to the above-mentioned preferred embodiment of the present invention.

FIG. 4 is an exploded schematic view of the inner magnetron device according to the above-mentioned preferred embodiment of the present invention.

FIG. 5 is an enlarged schematic diagram of a partial position of FIG. 4 .

FIG. 6 is an exploded schematic diagram of another viewing angle of the internal magnetron device according to the above-mentioned preferred embodiment of the present invention.

FIG. 7 is a schematic perspective view of a bottom case of the internal magnetron device according to the above-mentioned preferred embodiment of the present invention.

FIG. 8 is a schematic perspective view of a case cover of the internal magnetron device according to the above-mentioned preferred embodiment of the present invention.

FIG. 9 is a schematic perspective view of a slider of the internal magnetic control device according to the above-mentioned preferred embodiment of the present invention.

Fig. 10 is a schematic perspective view of another viewing angle of the slider of the internal magnetic control device according to the above-mentioned preferred embodiment of the present invention.

FIG. 11A and FIG. 11B are partial structural schematic diagrams of the working process of the internal magnetron device according to the above-mentioned preferred embodiment of the present invention.

Fig. 12 is a schematic diagram of the resistance calibration principle of the internal magnetron device according to the above-mentioned preferred embodiment of the present invention.

Fig. 13 is a schematic perspective view of a fitness equipment according to a preferred embodiment of the present invention, wherein the inner magnetic control device is applied to the fitness equipment.

14A and 14B are three-dimensional schematic views of a magnetron device according to a preferred embodiment of the present invention from different viewing angles.

FIG. 15A and FIG. 15B are respectively exploded schematic diagrams of different viewing angles of the magnetic control device according to the above-mentioned preferred embodiment of the present invention.

Fig. 16 is a schematic perspective view of the application state of the magnetic control device according to the above-mentioned preferred embodiment of the present invention.

17A and 17B are schematic diagrams of different application states of the magnetic control device according to the above-mentioned preferred embodiment of the present invention.

Fig. 18 is a schematic diagram of a resistance calibration principle of the magnetron device according to the above-mentioned preferred embodiment of the present invention.

Fig. 19 is a schematic diagram of another resistance calibration principle of the magnetic control device according to the above-mentioned preferred embodiment of the present invention.

FIG. 20 is a schematic perspective view of a magnetron device according to another preferred embodiment of the present invention.

Fig. 21 is an exploded schematic diagram of the magnetron device according to the above-mentioned preferred embodiment of the present invention.

Fig. 22 is a schematic diagram of the application environment of the magnetic control device according to the above-mentioned preferred embodiment of the present invention.

Detailed ways

Hereinafter, exemplary embodiments according to the present application will be described in detail with reference to the accompanying drawings. Apparently, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments of the present application. It should be understood that the present application is not limited by the exemplary embodiments described here.

Accompanying drawing 1 to Fig. 12 have shown an internal magnetic control device 100 according to a preferred embodiment of the present invention, wherein said internal magnetic control device 100 is set to provide the magnetic field environment, accompanying drawing 13 has shown a fitness equipment, Wherein the fitness equipment is applied with the internal magnetic control device 100 of the present invention.

It is worth mentioning that the fitness equipment implemented as an elliptical machine shown in FIG. 13 is only exemplary, and does not limit the specific type of the fitness equipment of the present invention. For example, in other examples of the present invention, the fitness equipment may also be a rowing machine, a spinning bike, and the like.

Continue to refer to accompanying drawing 13, and in conjunction with accompanying drawing 1, described fitness equipment comprises an equipment rack 200, a stepping device 300 and a flywheel 400, and wherein said stepping device 300 is installed on described equipment rack 200 by stepping on, wherein The flywheel 400 is rotatably mounted on the equipment rack 200 and drivably connected to the stepping device 300 , and the flywheel 400 surrounds the outside of the inner magnetic control device 100 . Preferably, the internal magnetic control device 100 is installed on the equipment rack 200 so that the relative positions of the internal magnetic control device 100 and the equipment rack 200 remain unchanged. When the user continues to step on the stepping device 300 to drive the flywheel 400 to rotate relative to the equipment rack 200 and the internal magnetic control device 100, the flywheel 400 continuously cuts the internal magnetic control device 100 The magnetic line of induction can obtain the load, so that the user can achieve the purpose of fitness.

It can be understood that the load obtained by the flywheel 400 when driven to rotate is related to the amount of the magnetic field lines of the internal magnetic control device 100 cut by the flywheel 400, wherein the flywheel 400 cuts all The greater the amount of magnetic induction lines of the internal magnetic control device 100, the greater the load obtained by the flywheel 400. At this time, the user is more strenuous when stepping on the stepping device 300. Correspondingly, the flywheel 400 is pressed The smaller the amount of magnetic field lines cutting the inner magnetic control device 100 during driving, the smaller the load obtained by the flywheel 400 , and the user can save effort when stepping on the stepping device 300 .

It is worth mentioning that the load obtained by the flywheel 400 when it is driven to rotate is reflected in the resistance value when the user steps on the stepping device 300, the greater the load obtained by the flywheel 400 when it is driven to rotate, the user The greater the resistance value when stepping on the stepping device 300 , the smaller the load obtained when the flywheel 400 is driven to rotate, and the smaller the resistance value when the user steps on the stepping device 300 .

In order to meet the different demands of users on the load of the flywheel 400 of the fitness equipment, the internal magnetic control device 100 of the present invention is configured to be able to adjust the position of the magnetic induction line relative to the flywheel 400, so that the When the position of the magnetic induction line of the inner magnetic control device 100 is closer to the flywheel 400, the amount of the magnetic induction line cut by the flywheel 400 when driven is larger. On the contrary, the magnetic induction line of the inner magnetic control device 100 The farther the position of the line is from the flywheel 400 , the less the flywheel 400 cuts the magnetic field lines when driven, so the resistance value of the user when stepping on the pedaling device 300 can be adjusted.

Specifically, referring to FIGS. 1 to 11B , the internal magnetic control device 100 includes a housing 10 , a slider 20 , at least one swing arm 30 , at least one connecting rod 40 and at least one set of magnetic elements 50 .

The housing 10 has a central through hole 101, a housing space 102, a peripheral opening 103, a space 104 and a sliding rail 105, the housing space 102 is located outside the central through hole 101, the peripheral opening 103 is formed on the periphery of the housing 10, and the peripheral opening 103 communicates with the housing space 102, the escape space 104 extends from the housing space 102 toward the central through hole 101, and the slide rail 105 Located in the housing space 102, and the extension direction of the slide rail 105 is consistent with the radial direction of the housing 10, so that the outer end 1051 of the slide rail 105 extends toward the edge of the housing 10, and the The inner end 1052 of the slide rail 105 extends toward the escape space 104 of the housing 10 . Preferably, the slide rail 105 is configured to extend to the avoidance space 104 of the housing 10 .

The housing 10 allows the installation shaft of the equipment rack 200 to penetrate and be held in the central through hole 101 of the housing 10, so as to fixedly install the inner magnetic control device 100 on the equipment rack 200, wherein the The flywheel 400 surrounds the casing 10 , and the peripheral opening 103 of the casing 10 faces the inside of the flywheel 400 .

The slider 20 is slidably installed on the slide rail 105 of the housing 10, and the slider 20 is allowed to slide into the escape space 104 of the housing 10, so that the slider 20 Has a greater travel range. For example, in the specific example of the inner magnetic control device 100 shown in FIGS. 1 to 11B , the stroke of the slider 20 can exceed 12 mm, and even reach 20 mm.

Specifically, referring to accompanying

drawings

11A and 11B, the slider 20 has a saddle groove 21, wherein the slide rail 105 of the housing 10 extends to the saddle groove 21 of the slider 20 to Allowing the slider 20 to ride on the slide rail 105 of the housing 10, so that when the slider 20 is driven, the slider 20 can reliably move along the track formed by the slide rail 105 The sliding rail 105 slides between the outer end 1051 and the inner end 1052 .

More specifically, referring to accompanying

drawings

11A and 11B, the slider 20 includes a slider body 22 and two slider arms 23, and the two slider arms 23 extend from one side of the slider body 22 respectively. integrally extending outwards to form the saddle slot 21 between the slider main body 22 and the two slider arms 23 , wherein the slider 20 is mounted on the housing 10 When the slide rail 105 is used, the slide rail 105 extends to the saddle groove 21 of the slider 20, so that the slider main body 22 fits on the top surface of the slide rail 105 and each of the The slider arms 23 are attached to each side of the slide rail 105 respectively, so as to ensure that the slider 20 is reliably seated on the slide rail 105, so that the slider 20 is driven along the slide rail 105 The track formed by the rail 105 can prevent the sliding block 20 from falling off from the sliding rail 105 when sliding.

The swing arm 30 has a pivot end 31 and a driven end 32 corresponding to the pivot end 31, wherein the outer side of the swing arm 30 faces the peripheral opening 103 of the housing 10, a set of The magnetic element 50 is arranged on the outside of the swing arm 30 to provide a magnetic field environment at the position of the peripheral opening 103 of the casing 10, wherein the pivot end 31 of the swing arm 30 is rotatably mounted on The edge of the housing 10, the driven end 32 of the swing arm 30 is rotatably mounted on one end of the connecting rod 40, and the other end of the connecting rod 40 is rotatably mounted For the slider 20, when the slider 20 is driven to slide along the track formed by the slide rail 105 of the housing 10, the slider 20 can apply force to the slider 20 through the connecting rod 40 the driven end 32 of the swing arm 30 to allow the swing arm 30 to swing relative to the housing 10 around the pivot end 31 of the swing arm 30, so that the swing arm 30 The outer side of the housing 10 swings in a direction close to the peripheral opening 103 of the housing 10 or in a direction away from the peripheral opening 103 of the housing 10 .

Specifically, when the slider 20 is driven to slide from the outer end 1051 of the sliding rail 105 to the inner end 1052 along the track formed by the sliding rail 105 of the housing 10, the The slider 20 can pull the swing arm 30 to swing inward through the connecting rod 40 , so that the swing arm 30 drives the magnetic element 50 to move away from the peripheral opening 103 of the housing 10 . Correspondingly, when the slider 20 is driven to slide from the inner end 1052 of the sliding rail 105 to the outer end 1051 along the track formed by the sliding rail 105 of the housing 10, the The slider 20 can push the swing arm 30 to swing outward through the connecting rod 40 , so that the swing arm 30 drives the magnetic element 50 to move toward the direction close to the peripheral opening 103 of the housing 10 .

Preferably, the swing arm 30 extends curvedly between the pivot end 31 and the driven end 32 so that the swing arm 30 is arc-shaped, so that the shape of the outer side of the swing arm 30 and The shape of the periphery of the housing 10 is substantially the same. Preferably, the magnetic element 50 is arc-shaped, and the shape of the inner side of the magnetic element 50 is consistent with the shape of the outer side of the swing arm 30, so as to reliably arrange the magnetic element 50 on the swing arm 30 outside.

It is worth mentioning that the manner in which the magnetic element 50 is arranged on the swing arm 30 is not limited in the internal magnetic control device 100 of the present invention, for example, the magnetic element 50 can be bonded It is arranged on the outside of the swing arm 30 , or the magnetic element 50 can be arranged on the outside of the swing arm 30 in an embedded manner.

It is also worth mentioning that the number of the magnetic elements 50 in a group of the magnetic elements 50 is not limited in the internal magnetic control device 100 of the present invention, for example, the magnetic elements shown in Figures 1 to 11B In this specific example of the internal magnetic control device 100 , the number of the magnetic elements 50 in a group of the magnetic elements 50 is three, and they are arranged on the outer side of the swing arm 30 at intervals.

Continuing to refer to accompanying drawings 1 to 11B, in this specific example of the internal magnetic control device 100 of the present invention, the internal magnetic control device 100 includes one slider 20, two swing arms 30, two One of the connecting rods 40 and two sets of magnetic elements 50, wherein the two swing arms 30 are rotatably mounted on the two swing arms 30 in such a manner that the pivot ends 31 of the two swing arms 30 are adjacent to each other. the edge of the casing 10, and the driven ends 32 of the two swing arms 30 respectively extend to positions adjacent to the slider 20, wherein one ends of the two connecting rods 40 are respectively rotatably mounted On the driven ends 32 of the two swing arms 30, the other ends of the two connecting rods 40 are respectively rotatably mounted on each side of the slider 20, wherein each set of The magnetic elements 50 are respectively disposed on the outer sides of each of the swing arms 30 .

11A and 11B, when the slider 20 is driven along the track formed by the slide rail 105 of the housing 10 from the inner end 1052 of the slide rail 105 to the outer end 1051 When sliding, the slider 20 pushes each of the swing arms 30 to swing outward through each of the connecting rods 40 separately and synchronously, so that each of the swing arms 30 drives each group of the magnetic elements 50 Moving towards the direction close to the peripheral opening 103 of the housing 10, at this time, the distance between a group of the magnetic elements 50 and the flywheel 400 is reduced, so that when the flywheel 400 is driven to rotate, the cutting The amount of magnetic induction lines of the inner magnetic control device 100 increases to increase the load obtained by the flywheel 400, so that the user is more strenuous when stepping on the stepping device 300; correspondingly, when the slider 20 is driven along When the sliding rail 105 of the casing 10 slides from the outer end 1051 to the inner end 1052 of the sliding rail 105, the sliding block 20 is separately and synchronously Pulling each of the swing arms 30 to swing inwards, so that each of the swing arms 30 respectively drives each group of the magnetic elements 50 to move in a direction away from the peripheral opening 103 of the housing 10. At this time, one The distance between the set of magnetic elements 50 and the flywheel 400 is increased so that when the flywheel 400 is driven to rotate, the amount of magnetic field lines cutting the inner magnetic control device 100 is reduced and the flywheel 400 is reduced. 400 to make it easier for the user to step on the stepping device 300 .

It can be understood that when the slider 20 slides to the outer end 1051 of the slide rail 105 of the housing 10 , the swing arm 30 makes a set of the magnetic element 50 and the flywheel 400 At this time, when the flywheel 400 is driven to rotate, the amount of magnetic field lines cutting the inner magnetic control device 100 is the largest, so that the flywheel 400 has the largest load, that is, the user is stepping on the stepping device. The resistance is greatest at 300. Correspondingly, when the slider 20 slides to the inner end 1052 of the slide rail 105 of the casing 10 so that the slider 20 enters the escape space 104 of the casing 10, the swing The arm 30 maximizes the distance between a set of magnetic elements 50 and the flywheel 400. At this time, when the flywheel 400 is driven to rotate, the amount of magnetic flux lines cutting the inner magnetic control device 100 is minimized so that the The flywheel 400 has the least load, ie the user has the least resistance when pedaling the treadle 300 . Therefore, by arranging the avoidance space 104 in the housing 10, the slider 20 can have a larger stroke range, so that the swing arm 30 can have a larger swing range, and thus the swing arm 30 can be operated under a larger load. Range adjusts the load of the flywheel 400 .

Continuing to refer to accompanying drawings 1 to 11B, the housing 10 further includes a bottom case 11 and a case cover 12, wherein the bottom case 11 has a bottom case boss 111 and a bottom case boss 111 formed on the bottom case Bottom shell central hole 112, wherein said shell cover 12 has a shell cover boss 121 and a shell cover central hole 122 formed in said shell cover boss 121, wherein said bottom shell 11 and said shell cover 12 are covered Installed with each other, the central hole 112 of the bottom shell 11 and the central hole 122 of the shell cover 12 correspond to and communicate with each other to form the central through hole 101 of the shell 10, the The bottom case boss 111 of the bottom case 11 and the case cover boss 121 of the case cover 12 are attached to each other to form the shell between the bottom case 11 and the case cover 12 The space 102 and the peripheral opening 103, and the casing space 102 and the central through hole 101 are isolated to make them independent.

The shapes of the bottom case 11 and the case cover 12 define the shape of the outer shell 10 , and the outer shell 10 forms the general appearance of the inner magnetic control device 100 . In this specific example of the inner magnetic control device 100 of the present invention, both the bottom case 11 and the case cover 12 are designed to be disc-shaped, so that the outer shell 10 is disc-shaped, and the The shape of the internal magnetic control device 100 matches the shape of the flywheel 400 .

It is worth mentioning that, the installation method of the bottom shell 11 and the shell cover 12 of the shell 10 is not limited in the internal magnetic control device 100 of the present invention. For example, in the specific example of the internal magnetic control device 100 shown in FIGS. 1 to 11B , the bottom case 11 has a plurality of bottom case installation holes 113 formed on the bottom case protrusions at intervals. Correspondingly, the case cover 12 has a plurality of case cover installation holes 123, which are formed on the case cover boss 121 at intervals from each other, wherein each of the bottom case installation holes 113 of the bottom case 11 Corresponding to each of the housing cover installation holes 123 of the housing cover 12 respectively, the bottom housing 11 and the housing cover 12 are locked in such a way that the screw rod is allowed to penetrate and the screw rod and the nut cooperate with each other. The bottom case 11 and the top cover 12 are installed.

Preferably, the internal magnetic control device 100 further includes a flange 60, the flange 60 has a flange through hole 61 and a plurality of flange installation holes 62, wherein the flange 60 is attached to the shell cover 12, and the flange through hole 61 of the flange 60 corresponds to the central through hole 101 of the housing 10, and each of the flange mounting holes 62 of the flange 60 corresponds to the housing Each of the cover installation holes 123 of the cover 12 is used to allow the screw rod passing through the cover installation holes 123 of the cover 12 to further penetrate into the flange installation holes 62 of the flange 60, thereby The bottom case 11 and the case cover 12 are locked together by the flange 60 with a screw and a nut.

Preferably, the housing 10 further includes a series of support columns 13, and the opposite ends of the support columns 13 respectively extend to the edge of the bottom shell 11 and the edge of the shell cover 12 for supporting the The edge of the bottom case 11 and the edge of the case cover 12 , in this way, the support columns 13 can prevent the edge of the bottom case 11 and the edge of the case cover 12 from being deformed.

Specifically, referring to accompanying drawings 7 and 8, the support column 13 includes a bottom case support portion 131 and a case cover support portion 132, wherein the bottom case support portion 131 is integrally extended from the edge of the bottom case 11 to Outwardly extending, wherein the case cover support portion 132 integrally extends outward from the edge of the case cover 12, wherein when the bottom case 11 and the case cover 12 are installed to each other, the bottom case support portion 131 The support portion 132 and the case cover can abut against each other, so that the edge of the bottom case 11 and the edge of the case cover 12 are supported by the cooperation between the bottom case support portion 131 and the case cover support portion 132 .

When installing the bottom case 11 and the case cover 12, in order to prevent the bottom case support portion 131 and the case cover support portion 132 from misaligning each other, the free end of the bottom case support portion 131 and the case cover The free end of the supporting part 132 can be inserted. Specifically, the free end of the bottom case support part 131 has a reduced size to form a plug-in end 1311, and the free end of the cover support part 132 has a plug-in groove 1321, wherein the bottom case support part The insertion end 1311 of 131 can be inserted into the insertion slot 1321 of the cover support part 132 to avoid misalignment between the bottom cover support part 131 and the cover support part 132 .

Preferably, after the bottom case 11 and the case cover 12 are installed with each other so that the bottom case support portion 131 and the case cover support portion 132 form the support column 13 , the position of the support column 13 The gap corresponding to two adjacent magnetic elements 50 is used to avoid affecting the displacement of the magnetic elements 50 when the swing arm 30 swings.

Continuing to refer to accompanying drawings 7 and 8, the middle part of the bottom case 11 forms the bottom case boss 111 in a concave manner, so that the opposite sides of the bottom case 11 form the bottom case boss 111 and the bottom case boss 111 respectively. Corresponding to a bottom case groove 114 of the bottom case boss 111 , the bottom case center hole 112 of the bottom case 11 and the bottom case installation holes 113 communicate with the bottom case groove 114 respectively. Correspondingly, the middle part of the case cover 12 forms the case cover boss 121 in a concave manner, so that the opposite sides of the case cover 12 respectively form the case cover boss 121 and corresponding to the case cover. A case cover groove 124 of the boss 121 , the case cover center hole 122 of the case cover 12 and the case cover installation holes 123 communicate with the case cover groove 124 respectively. After the bottom case 11 and the case cover 12 are installed with each other, the bottom case groove 114 of the bottom case 11 and the case cover groove 124 of the case cover 12 are located in the case 10 respectively. On the opposite sides of the bottom case 11, the blocking block for locking the screw of the bottom case 11 and the case cover 12 can be held in the bottom case groove 114 of the bottom case 11 and the flange 60 and The nut can be held in the cover groove 124 of the cover 12. In this way, the inner magnetic control device 100 can prevent the screw rod, the nut and the flange 60 from protruding, thereby facilitating Thinning of the inner magnetron device 100 .

Continuing to refer to accompanying drawings 7 and 8, the bottom case 11 has two bottom case rotation grooves 115, which are adjacently formed on the edge of the bottom case 11, and correspondingly, the case cover 12 has two case covers Rotation grooves 125, which are adjacently formed at the edge of the case cover 12, wherein each of the bottom case rotation grooves of the bottom case 11 after the bottom case 11 and the case cover 12 are mounted to each other 115 and each of the case cover rotation slots 125 of the case cover 12 can correspond to each other. Referring to accompanying drawings 4 and 5, opposite sides of the pivoting end 31 of each swing arm 30 respectively have a protrusion 33, wherein each protrusion 33 of the swing arm 30 can be moved respectively. is rotatably installed on the bottom case rotation slot 115 of the bottom case 11 and the case cover rotation slot 125 of the case cover 12, so that the pivot end 31 of the swing arm 30 is rotatably installed on the housing 10.

Preferably, in this specific example of the inner magnetron device 100 of the present invention, the swing arm 30 may be formed by stamping and bending a plate, so the protrusion of the swing arm 30 33 is flat, wherein the inner magnetron device 100 further includes a plurality of cylindrical rotating blocks 70, and the middle parts of these rotating blocks 70 have the protrusions 33 whose size and shape match the swing arm 30 An assembly hole for assembling the rotating block 70 on the protrusion 33 of the swing arm 30, and these rotating blocks 70 are respectively rotatably installed in the bottom case rotation groove of the bottom case 11 115 and the casing cover rotation slot 125 of the casing cover 12 , so that the pivot end 31 of the swing arm 30 is rotatably mounted on the casing 10 . Optionally, in an optional example of the internal magnetic control device 100 of the present invention, the protrusion 33 of the swing arm 30 can be set as a cylinder, so as to allow the swing arm 30 to The protrusion 33 is directly mounted on the bottom case turning slot 115 of the bottom case 11 or the case cover turning slot 125 of the case cover 12 .

Continuing to refer to accompanying drawings 4, 5 and 7, the slide rail 105 of the housing 10 is formed on the bottom shell 11, and the slide rail 105 is arranged to protrude from the bottom shell of the bottom shell 11. The platform 111 extends toward the edge of the bottom case 11 . In other words, the slider 20 is slidably mounted on the bottom case 11 .

Preferably, the housing cover 12 has a limiting body 120, and the limiting body 120 is arranged to extend from the housing cover boss 121 of the housing cover 12 toward the edge of the housing cover 12, wherein the The top surface of the slider 20 corresponds to the limit body 120 of the housing cover 12, so that the slider 20 is limited by the limit body 120 to prevent the slider 20 from sliding from the slide rail. 105 falls off, thereby ensuring the reliability and stability of the internal magnetic control device 100 .

Referring to accompanying drawings 4, 5 and 7, the side wall of the bottom case boss 111 of the bottom case 11 is concave toward the direction of the bottom case center hole 112 to form the avoidance space of the casing 10 104 , so that the escape space 104 of the housing 10 communicates with the casing space 102 , and the avoidance space 104 extends from the casing space 102 toward the central through hole 101 . The inner end 1052 of the sliding rail 105 extends toward the avoidance space 104, wherein when the sliding block 20 is driven to slide to the inner end 1052 of the sliding rail 105, the sliding block 20 At least a part of can enter the avoidance space 104 of the housing 10 to allow the bottom case boss 111 of the bottom case 11 to avoid the slider 20, in this way, the slider 20 is allowed to It has a larger travel range, so that the swing arm 30 can swing within a larger swing range, thereby adjusting the load of the flywheel 400 within a larger load range.

Preferably, the inner end 1052 of the sliding rail 105 extends to the avoidance space 104 of the housing 10 , so as to avoid the The slider 20 is separated from the slide rail 105 . More preferably, the inner end 1052 of the slide rail 105 can extend to and abut against the side wall of the bottom case boss 111 of the bottom case 11 .

Preferably, referring to FIGS. 4 to 8 , a part of the avoidance space 104 of the housing 10 is formed in the bottom case 11 , and another part is formed in the case cover 12 . Specifically, the side wall of the bottom case boss 111 of the bottom case 11 is recessed toward the direction of the bottom case central hole 112 to form a part of the avoidance space 104 of the casing 10 , and the case cover The side wall of the case cover boss 121 of 12 is concaved toward the direction of the case cover central hole 122 to form another part of the avoidance space 104 of the housing 10, so that the bottom of the bottom case 11 The shell boss 111 and the shell cover boss 121 of the shell cover 12 can avoid the slider 20 at the same time. In this way, the slider 20 is allowed to have a larger stroke range, so that the The swing arm 30 can swing within a larger swing range, thereby adjusting the load of the flywheel 400 within a larger load range.

Continuing to refer to accompanying drawings 1 to 11B, the internal magnetic control device 100 further includes a driving unit 80, which is arranged in the housing space 102 of the housing 10, for driving the slider 20 along the The track formed by the sliding rail 105 of the housing 10 slides.

Specifically, the drive unit 80 includes a drive motor 81 and a set of reduction gears 82, wherein the drive motor 81 is fixedly arranged on the bottom case 11, and the opposite sides of the set of reduction gears 82 are respectively It is rotatably disposed on the bottom case 11 and the case cover 12 , and one of the reduction gears 82 in a set of reduction gears 82 is drivably engaged with an output shaft 811 of the driving motor 81 . One side of the slider main body 22 of the slider 20 forms a row of driven teeth 24 , wherein the other reduction gear 82 of a set of reduction gears 82 is engaged with the driven teeth of the slider 20 . tooth 24.

When the drive motor 81 rotates in one direction with the output shaft 811 of the drive motor 81 to output power, the power can be transmitted to the slider 20 through a set of reduction gears 82 to drive the slider 20. The slider 20 slides along the track formed by the slide rail 105 of the housing 10 from the outer end 1051 of the slide rail 105 toward the inner end 1052. Correspondingly, when the driving motor 81 When the output shaft 811 of the drive motor 81 rotates in another direction to output power, the power can be transmitted to the slider 20 through a set of reduction gears 82 to drive the slider 20 along the The track formed by the sliding rail 105 of the housing 10 slides from the inner end 1052 to the outer end 1051 of the sliding rail 105 .

It is worth mentioning that the type of the driving motor 81 is not limited in the internal magnetic control device 100 of the present invention, for example, the driving motor 81 may be but not limited to a stepping motor or a servo motor.

Continue to refer to accompanying drawing 1 to Fig. 11B, described bottom shell 11 further has a bottom shell ring 116 and a bottom shell notch 117 bounded by described bottom shell ring 116, and described shell cover 12 further has a shell cover ring 126 and A case cover gap 127 defined by the case cover ring 126, after the bottom case 11 and the case cover 12 are installed, the bottom case ring 116 of the bottom case 11 and the case cover 12 The shell cover rings 126 abut against each other to separate the shell space 102 into an inner space 1021 and an outer space 1022, and the bottom shell notch 117 of the bottom shell 11 and the shell cover 12 all The cover notches 127 correspond to each other to form an active channel 1023, the active channel 1023 communicates with the inner space 1021 and the outer space 1022, wherein the slide rail 105 is located in the inner space 1021 to allow the slider 20 slides in the inner space 1021, wherein the swing arm 30 is swingably held in the outer space 1022, wherein the connecting rod 40 extends from the inner space 1021 to the outer side through the movable channel 1023 The space 1022 allows the opposite ends of the connecting rod 40 to be rotatably mounted on the slider 20 and the driven end 32 of the swing arm 30 .

Continuing to refer to accompanying drawings 1 to 11B, the internal magnetic control device 100 further includes a potential control unit 90, the potential control unit 90 includes a circuit board 91 and a sliding potentiometer 92, wherein the circuit board 91 is installed The bottom case 11 and the casing space 102 held in the casing 10, wherein the sliding potentiometer 92 further includes a potentiometer body 921 and a potentiometer body 921 slidably arranged on the body of the potentiometer A sliding arm 922 , the potentiometer body 921 is attached or welded to the circuit board 91 , and the sliding arm 922 is installed on the slider 20 . When the slider 20 is driven to move along the slide rail 105 of the housing 10, the slider 20 drives the sliding arm 922 to move relative to the potentiometer main body 921, thus changing the The resistance value of the slide potentiometer 92.

It is worth mentioning that the manner in which the sliding arm 922 of the sliding potentiometer 92 is installed on the slider 20 is not limited in the internal magnetic control device 100 of the present invention, for example, the slider 20 may have a mounting groove 25, wherein the sliding arm 922 of the sliding potentiometer 92 extends to and is held in the mounting groove 25 of the slider 20, so that the sliding potentiometer 92 is installed The sliding arm 922 is connected to the slider 20 .

It can be understood that the resistance value of the sliding potentiometer 92 is related to the position of the slider 20 on the slide rail 105 of the housing 10 , and the slider 20 is located on the sliding rail 105 of the housing 10. The position of the slide rail 105 determines the position of the magnetic element 50, and further determines the load of the flywheel 400 when it is driven to rotate. In other words, the position of the magnetic element 50 of the inner magnetic control device 100 of the present invention and the load of the flywheel 400 when driven to rotate can be determined by detecting the resistance of the sliding potentiometer 92 .

However, due to the error of the sliding potentiometer 92 itself and the mounting error of the potentiometer body 921 of the sliding potentiometer 92 and the installation error of the sliding arm 922, the mass production of the present invention In the case of the internal magnetic control device 100, there is an error in the starting point and the end point of the resistance value of the sliding potentiometer 92 of a batch of the internal magnetic control device 100, and the error range is usually between 0% and 5%. The error range between the start point and the end point of the position of the magnetic element 50 of a batch of the internal magnetic control devices 100 is also between 0%-5%, and finally causes a batch of internal magnetic control devices 100. The resistance difference of the magnetic group reaches 10%-20%, which leads to poor consistency of a batch of internal magnetic control devices 100 . Therefore, in order to ensure the resistance value of a batch of internal magnetic control devices 100, the potentiometer body 921 of the sliding potentiometer 921 is mounted on the circuit board 91 and the sliding arm 922 is mounted on the After the slider 20 is described, the sliding potentiometer 921 needs to be tested and calibrated.

The potential control unit 90 of the internal magnetic control device 100 of the present invention further includes a calibration potentiometer 93, the calibration potentiometer 93 is mounted on the circuit board 91, and the calibration potentiometer 93 and the The sliding potentiometer 92 is connected in series, and the initial position of the resistance of the internal magnetron device 100 can be calibrated by adjusting the calibration potentiometer 93 . Optionally, in other examples of the internal magnetic control device 100 of the present invention, the calibration potentiometer 93 and the sliding potentiometer 92 can be connected in parallel, so that calibration can be performed by adjusting the calibration potentiometer 93 The initial position of the resistance of the internal magnetic control device 100 .

Further, the housing 10 has a calibration channel 14 formed on the housing cover 12, wherein the calibration potentiometer 93 is set corresponding to the calibration channel 14, so that the calibration channel 14 is not disassembled. In the case of the magnetic control device 100, the initial position of the resistance of the inner magnetic control device 100 can be calibrated through the calibration channel 14 of the housing 10, so as to greatly improve the resistance calibration of the inner magnetic control device 100 efficiency and productivity. Specifically, the initial resistance position of the internal magnetic control device 100 can be calibrated by rotating the calibration potentiometer 93 using a simple tool (eg, a screwdriver) on the outside of the housing 10 . Preferably, the calibration potentiometer 93 extends to the calibration channel 14 of the housing 10 .

With reference to accompanying drawing 12, described calibration potentiometer 93 calibrates the key position (for example resistance value initial position) principle of described internal magnetic control device 100 is: described slide potentiometer 92 and described calibration potentiometer 93 are connected in series, wherein parameter R ₁ is the sliding potentiometer 92, parameter R ₂ is the calibration potentiometer 93, parameter A is when the slider 20 slides to the outer end 1051 of the slide rail 105 of the housing 10 The slider 20 drives the sliding arm 922 to slide to the position of the sliding potentiometer 92, and the parameter B is set when the slider 20 slides to the inner end 1052 of the slide rail 105 of the housing 10 The slider 20 drives the sliding arm 922 to slide to the position of the sliding potentiometer 91, the parameter R ₁ A is the distance between point A and the sliding arm 922, and the parameter R ₁ B is the distance between point B and the sliding arm 922. The distance of parameter R ₁ A and parameter R ₁ B is dynamic, and it changes as the sliding position of the sliding arm 922 on the sliding potentiometer 92 changes, and the value of parameter V ₀ varies with R ₁ A and R ₁ B voltage divider values vary.

For the internal magnetic control device 100 that is not provided with the calibration potentiometer 93, the above parameters meet the conditions:

Due to the error of the sliding potentiometer 92 itself and the mounting error of the potentiometer body 921 of the sliding potentiometer 92 and the installation error of the sliding arm 922, the inner magnet of the present invention may be mass-produced. When the magnetic control device 100 is used, there is an error in the value of V ₀ , which leads to poor consistency of a batch of internal magnetic control devices 100 .

For the internal magnetic control device 100 provided with the calibration potentiometer 93, the above parameters meet the conditions:

That is, V ₀ ′=△+V ₀ , wherein the resistance of the calibration potentiometer 93 is adjustable, for example, through the calibration channel 14 of the housing 10 on the outside of the housing 10 by turning the calibration potential The resistance of the calibration potentiometer 93 can be adjusted by means of the potentiometer 93, that is, the value of the parameter △ can be adjusted, thereby conveniently calibrating the initial position of the resistance value of the internal magnetic control device 100 and ensuring a batch of internal magnetic control devices 100% consistency.

Accompanying drawing 14A to Fig. 15B have shown a magnetic control device 100A according to another preferred embodiment of the present invention, and accompanying drawing 16 to Fig. 17B has shown the application state of described magnetic control device 100A, and it has described a flywheel 200A is surrounded by the periphery of the magnetic control device 100A, and when the flywheel 200A is driven to rotate, it can continuously cut the magnetic field lines of the magnetic control device 100A to obtain a load, so that the user who drives the flywheel 200A to rotate Get exercise.

It is worth mentioning that, in the specific example of the magnetic control device 100A shown in Figures 14A to 15B, the magnetic control device 100A is arranged inside the flywheel 200A to form an internal magnetic control device .

Continuing to refer to FIGS. 14A to 17B , the magnetron device 100A includes a magnetron body 10A and a potential control unit 20A disposed on the magnetron body 10A. Preferably, the potential control unit 20A is disposed inside the magnetron main body 10A.

Specifically, the magnetron main body 10A further includes a housing 11A, at least one swing arm 12A and at least one group of magnetic elements 13A, wherein the swing arm 12A has a pivot end 121A and a corresponding to the pivot end 121A. A driven end 122A, the pivot end 121A of the swing arm 12A is rotatably mounted on the edge of the housing 11A, a set of the magnetic elements 13A is arranged on the swing arm 12A, wherein the A flywheel 200A is disposed around the periphery of the casing 11A, and the flywheel 200A can be driven to rotate relative to the casing 11A.

By driving the swing arm 12A to swing relative to the casing 11A, the distance between a group of the magnetic elements 13A and the flywheel 200A can be adjusted, so that the flywheel 200A cuts the The amount of magnetic induction lines of the magnetic control device 100A can be adjusted, thereby adjusting the load of the flywheel 200A. Specifically, when the swing arm 12A swings so that the distance between a set of magnetic elements 13A and the flywheel 200A is relatively large, the flywheel 200A cuts the magnetic induction of the magnetic control device 100A when it is driven to rotate. The amount of wire is less, so that the load of the flywheel 200A is smaller, and the resistance value paid by the user to drive the flywheel 200A to rotate at this time is reduced, so that the user can drive the flywheel 200A to rotate relatively easily. , when the swing arm 12A swings to make the distance between one group of the magnetic elements 13A and the flywheel 200A smaller, the flywheel 200A cuts the amount of magnetic field lines of the magnetic control device 100A when it is driven to rotate more, so that the load on the flywheel 200A is larger, and the resistance value paid by the user when driving the flywheel 200A increases, so that the user can drive the flywheel 200A to rotate with more effort.

In other words, the position of the swing arm 12A determines the relative position of a group of the magnetic elements 13A and the flywheel 200A, and further determines the load of the flywheel 200A when it is driven to rotate.

The potential control unit 20A is set to allow the resistance value of the potential control unit 20A to change with the swing of the swing arm 12A, so that the position and the position of the swing arm 12A can be fed back by the resistance value of the potential control unit 20A. The position of a set of magnetic elements 13A relative to the flywheel 200A feeds back the load of the flywheel 200A when it is driven to rotate. In other words, the resistance value of the potential control unit 20A, the position of the swing arm 12A, the position of a group of the magnetic elements 13A relative to the flywheel 200A, and the load of the flywheel 200A when driven to rotate are one. one corresponding.

The potential control unit 20A includes a feedback potentiometer 21A and a calibration potentiometer 22A connected to the feedback potentiometer 21A, wherein the feedback potentiometer 21A further includes a potentiometer body 211A and is movably arranged on An active portion 212A of the potentiometer body 211A is associated with the swing arm 12A. For example, in the specific example of the magnetic control device 100A shown in FIGS. 14A to 17B , the feedback potentiometer 21A is a sliding potentiometer, so that the movable part 212A forms a sliding arm to be Slidingly disposed on the potentiometer body 211A.

The resistance value of the potential control unit 20A is related to the resistance value of the feedback potentiometer 21A and the resistance value of the calibration potentiometer 22A, and the resistance value of the potential control unit 20A is related to the resistance value of the feedback potentiometer 21A. The relationship between the value and the resistance value of the calibration potentiometer 22A depends on the connection relationship between the feedback potentiometer 21A and the calibration potentiometer 22A. For example, in the specific example shown in accompanying drawing 18, the feedback potentiometer 21A and the calibration potentiometer 22A are connected in series, and in the specific example shown in accompanying drawing 19, the feedback potentiometer 21A and the The calibration potentiometer 22A is connected in parallel.

Further, the magnetic control device 100A further includes a circuit board 30A, wherein the potentiometer main body 211A of the feedback potentiometer 21A and the calibration potentiometer 22A are connected through the circuit board 30A, and the circuit board 30A is attached to the housing 11A.

For example, in the specific example of the magnetron device 100A shown in FIGS. 14A to 17B , the potentiometer main body 211A and the calibration potentiometer 22A are respectively disposed on the circuit board 30A. It is worth mentioning that the manner in which the potentiometer body 211A of the feedback potentiometer 21A and the calibration potentiometer 22A are arranged on the circuit board 30A is not limited in the magnetic control device 100A of the present invention. . For example, the potentiometer main body 211A and the calibration potentiometer 22A of the feedback potentiometer 21A can be mounted on the circuit board 30A, or the potentiometer main body 211A and the A calibration potentiometer 22A can be soldered to the circuit board 30A.

For the magnetic control device 100A of the present invention, when the user uses the magnetic control device 100A normally, for example, when the user uses the fitness equipment configured with the magnetic control device 100A to exercise, the calibration potentiometer The resistance value of 22A remains unchanged, that is, the change of the resistance value of the potential control unit 20A only depends on the change of the resistance value of the feedback potentiometer 21A. The function of setting the calibration potentiometer 22A in the magnetic control device 100A of the present invention is to calibrate the resistance value of the potential control unit 20A and the position of the swing arm 12A caused by the error of the feedback potentiometer 21A, A set of errors in the corresponding relationship between the position of the magnetic element 13A relative to the flywheel 200A and the load of the flywheel 200A when it is driven to rotate. By introducing the calibration potentiometer 22A into the potential control unit 20A, the resistance value of the potential control unit 20A can be calibrated, especially the starting point position and the end point position of the potential control unit 20A can be calibrated. Calibration is to calibrate the resistance of the magnetron 100A so that the resistance of a batch of magnetron 100A remains consistent.

Referring to accompanying drawing 18, the principle of the calibration potentiometer 22A calibrating the resistance value of the potential control unit 20A and then calibrating the resistance value of the magnetron device 100A is: the feedback potentiometer 21A and the calibration potentiometer 22A are controlled by connected in series, wherein parameter _R1 is the feedback potentiometer 21A, parameter _R2 is the calibration potentiometer 22A, and parameter A is the position where the movable part 212A is set to slide to the outermost end of the potentiometer body 211A , parameter B is that the movable part 212A is set to be able to slide to the innermost position of the potentiometer body 211A, and when the movable part 212A is in position A, a set of the magnetic element 13A and the flywheel 200A The distance is the smallest, when the movable part 212A is in the B position, the distance between a group of the magnetic elements 13A and the flywheel 200A is the largest, the parameter R ₁ A is the distance between the A position and the movable part 212A, and the parameter R ₁ B is the distance between the B position and the movable part 212A, wherein the parameters R ₁ A and R ₁ B are dynamic, and it varies with the position of the movable part 212A sliding on the feedback potentiometer 21A

Therefore, by adjusting the value of △, the resistance value of the potential control unit 20A can be adjusted conveniently, so as to ensure the consistency of a batch of the magnetic control devices 100A.

Continuing to refer to accompanying drawings 14A to 17B, the housing 11A has a housing space 1101A and a peripheral opening 1102A communicating with the housing space 1101A, and the swing arm 12A is swingably disposed on the housing 11A. Said housing space 1101A, a group of said magnetic elements 13A is arranged towards said peripheral opening 1102A of said housing 11A, so that when said swing arm 12A faces towards or away from said housing space 1101A of said housing 11A When the direction of the peripheral opening 1102A of the housing 11A swings, a group of the magnetic elements 13A can move towards or away from the flywheel 200A. The circuit board 30A is mounted in the housing space 1101A of the housing 11A so that the potential control unit 20A is held in the housing space 1101A of the housing 11A.

The housing 11A further has a calibration channel 1103A, the calibration channel 1103A communicates with the housing space 1101A, wherein the calibration potentiometer 22A of the potential control unit 20A is set to correspond to the calibration of the housing 11A. channel 1103A, so that when calibrating the resistance value of a batch of the magnetic control devices 100A, the magnetic control device 100A can be passed through the outer casing 11A without disassembling the magnetic control device 100A. The calibration channel 1103A adjusts the resistance value of the calibration potentiometer 22A, thereby calibrating the resistance value of the potential control unit 20A. In this way, the resistance value of the magnetic control device 100A can be easily calibrated, so that a batch of The resistance value of the magnetic control device 100A can be conveniently calibrated to be consistent. For example, a simple tool (such as a screwdriver) can be inserted into the calibration channel 1103A of the housing 11A and act on the calibration potentiometer 22A, and the calibration can be adjusted by turning the calibration potentiometer 22A. The resistance value of the potentiometer 22A, so as to complete the calibration of the resistance value of the magnetron device 100A. Preferably, the calibration potentiometer 22A can extend to the calibration channel 1103A of the housing 11A, or the calibration potentiometer 22A can expose the housing 11A through the calibration channel 1103A of the housing 11A.

The housing 11A further has a central through hole 1104A, the installation shaft of the equipment rack of the fitness equipment can be installed in the central through hole 1104A of the housing 11A, so that the magnetic control device 100A is installed on the fitness equipment equipment rack.

The casing 11A further has a sliding rail 1105A, wherein the sliding rail 1105A is located in the housing space 1101A, and the extending direction of the sliding rail 1105A is consistent with the radial direction of the casing 11A, so that the sliding rail The outer end of 1105A extends toward the edge of the casing 11A, and the inner end of the sliding rail 1105A extends toward the central through hole 1104A of the casing 11A. The magnetron main body 10A further includes a slider 14A and at least one connecting rod 15A, the slider 14A is slidably mounted on the slide rail 1105A of the housing 11A, and one end of the connecting rod 15A is rotatably mounted on the driven end 122A of the swing arm 12A, and the other end of the connecting rod 15A is rotatably mounted on the slider 14A, so that when the slider 14A is driven When moving along the slide rail 1105A of the housing 11A, the slider 14A acts on the swing arm 12A through the connecting rod 15A to drive the swing arm 12A to swing relative to the housing 11A .

Specifically, when the sliding block 14A is driven to slide along the sliding rail 1105A of the housing 11A from the outer end to the inner end of the sliding rail 1105A, the sliding block 14A passes through the connecting rod 15A Pulling the swing arm 12A to swing in a direction away from the peripheral opening 1102A of the housing 11A increases the distance between a set of magnetic elements 13A and the flywheel 200A to reduce the load on the flywheel 200A . Correspondingly, when the slider 14A is driven to slide along the slide rail 1105A of the housing 11A from the inner end to the outer end of the slide rail 1105A, the slider 14A passes through the connecting rod 15A Pushing the swing arm 12A to swing towards the direction close to the peripheral opening 1102A of the housing 11A, thus reducing the distance between a set of magnetic elements 13A and the flywheel 200A and increasing the load of the flywheel 200A .

Preferably, the housing 11A further has an avoidance space 1106A, the avoidance space 1106A extends from the housing space 1101A toward the central through hole 1104A, at least a part of the slider 14A can slide into the housing 11A The avoidance space 1106A, so that the slider 14A is allowed to have a larger travel range, so that the swing arm 12A has a larger swing range, thereby adjusting the load of the flywheel 200A in a larger range. For example, in this specific example of the magnetic control device 100A of the present invention, the stroke of the slider 14A can exceed 12 mm, and even reach 20 mm.

Preferably, the swing arm 12A extends curvedly between the pivot end 121A and the driven end 122A so that the swing arm 12A is arc-shaped, so that the shape of the outer side of the swing arm 12A and The shape of the periphery of the casing 11A is substantially the same. Preferably, the magnetic element 13A is arc-shaped, and the shape of the inner side of the magnetic element 13A is consistent with the shape of the outer side of the swing arm 12A, so as to reliably arrange the magnetic element 13A on the swing arm 12A outside.

The movable part 212A of the feedback potentiometer 21A is mounted on the slider 14A, so that the movable part 212A of the feedback potentiometer 21A and the swing arm 12A, so that when the slider 14A slides along the slide rail 1105A of the housing 11A, the slider 14A can drive the movable part 212A of the feedback potentiometer 21A to slide synchronously, thereby The resistance value of the potential control unit 20A is changed. At this time, according to the resistance value of the potential control unit 20A, the position of the slider 14A on the slide rail 1105A of the housing 11A can be determined and a set of The distance between the magnetic element 13A and the flywheel 200A determines the load of the flywheel 200A when driven to rotate.

It is worth mentioning that, the installation method of the movable part 212A of the feedback potentiometer 21A and the slider 14A is not limited in the magnetic control device 100A of the present invention, for example, the slider 14A has An installation slot 141A, the movable part 212A of the feedback potentiometer 21A can be installed in the installation slot 141A of the slider 14A, so that when the slider 14A slides along the housing 11A When the rail 1105A slides, the slider 14A can drive the movable part 212A of the feedback potentiometer 21A to slide synchronously.

14A to 17B, in this specific example of the magnetic control device 100A of the present invention, the magnetic control body 10A includes one housing 11A, two swing arms 12A, two sets of magnetic element 13A, one of said sliders 14A and two of said connecting rods 15A, wherein two of said swing arms 12A are rotatably mounted in such a manner that said pivot ends 121A of said two of said swing arms 12A are adjacent on the edge of the housing 11A, and the driven ends 122A of the two swing arms 12A respectively extend to positions adjacent to the slider 14A, wherein one ends of the two connecting rods 15A are respectively rotatably mounted on the driven ends 122A of the two swing arms 12A, and the other ends of the two connecting rods 15A are rotatably mounted on each side of the slider 14A, wherein Each group of magnetic elements 13A is respectively disposed on the outer side of each swing arm 12A.

When the sliding block 14A is driven to slide from the inner end of the sliding rail 1105A to the outer end along the track formed by the sliding rail 1105A of the housing 11A, the sliding block 14A passes through each of the connections. The rod 15A separately and synchronously pushes each of the swing arms 12A to swing outward, so that each of the swing arms 12A respectively drives each group of the magnetic elements 13A toward the direction close to the peripheral opening 1102A of the housing 11A At this time, the distance between a set of magnetic elements 13A and the flywheel 200A is reduced, so that when the flywheel 200A is driven to rotate, the amount of magnetic lines cutting the magnetic control device 100A increases However, if the load of the flywheel 200A is increased, the user can drive the flywheel 200A to rotate with more effort. Correspondingly, when the sliding block 14A is driven to slide from the outer end of the sliding rail 1105A to the inner end along the track formed by the sliding rail 1105A of the housing 11A, the sliding block 14A passes through each The connecting rod 15A separately and synchronously pulls each of the swing arms 12A to swing inward, so that each of the swing arms 12A respectively drives each group of the magnetic elements 13A toward the peripheral opening away from the housing 11A. 1102A, at this time, the distance between a set of magnetic elements 13A and the flywheel 200A is increased, so that when the flywheel 200A is driven to rotate, the magnetic field lines of the magnetic control device 100A are cut The load of the flywheel 200A is reduced, and the user can drive the flywheel 200A to rotate with less effort. In the above process, the resistance value of the potential control unit 20A changes with the sliding of the slider 14A, and the resistance value of the potential control unit 20A can accurately feed back the position of the slider 14A to determine The flywheel 200A is driven to rotate a load.

Further, the housing 11A includes a bottom case 111A and a case cover 112A, wherein the bottom case 111A and the case cover 112A can be installed mutually so as to be between the bottom case 111A and the case cover 112A The casing space 1101A and the peripheral opening 1102A are formed, and the calibration channel 1103A is formed in the casing cover 112A. Preferably, the magnetron main body 10A further includes a flange 16A, wherein the flange 16A is used for assembling the bottom case 111A and the case cover 112A. The sliding rail 1105A of the housing 11A is formed on the bottom housing 111A, so that the slider 14A is slidably mounted on the housing 11A.

The magnetron main body 10A further includes a driving part 17A, and the driving part 17A is arranged in the housing space 1101A of the housing 11A for driving the slider 14A along the housing 11A. The track formed by the slide rail 1105A slides.

Specifically, the drive part 17A includes a drive motor 171A and a set of reduction gears 172A, wherein the drive motor 171A is fixedly arranged on the bottom case 111A, and the opposite sides of the set of reduction gears 172A are respectively is rotatably mounted on the bottom case 111A and the case cover 112A, and one of the set of reduction gears 172A is drivably engaged with the output shaft of the drive motor 171A, and the other is drivably engaged Based on the driven teeth 142A of the slider 14A, the drive motor 171A drives the slider 14A to slide along the slide rail 1105A of the casing 11A through a set of reduction gears 172A.

More specifically, when the drive motor 171A rotates in one direction with the output shaft of the drive motor 171A to output power, the power can be transmitted to the slider 14A through a set of reduction gears 172A to drive The slider 14A slides along the track formed by the slide rail 1105A of the housing 11A from the outer end to the inner end of the slide rail 1105A. Correspondingly, when the drive motor 171A uses the drive motor 171A When the output shaft rotates in the other direction to output power, the power can be transmitted to the slider 14A through a set of reduction gears 172A, so as to drive the slider 14A along the slide of the housing 11A. The track formed by the rail 1105A slides from the inner end to the outer end of the sliding rail 1105A.

It is worth mentioning that the type of the driving motor 171A is not limited in the magnetic control device 100A of the present invention, for example, the driving motor 171A may be but not limited to a stepping motor or a servo motor. Preferably, the drive motor 171A is connected to the circuit board 30A. ,

According to another aspect of the present invention, the present invention further provides a method for calibrating the resistance of the magnetic control device 100A to ensure the consistency of a batch of the magnetic control devices 100A, wherein the method for calibrating the resistance includes the following steps :

(a) At a target point, measure the actual power value of the flywheel 200A in the rotating state, wherein the flywheel 200A in the rotating state cuts the magnetic induction line of the magnetic control device 100A to obtain a load; and

(b) Adjust the resistance value of the calibration potentiometer 22A of the magnetic control device 100A so that the actual power value of the flywheel 200 is consistent with the design power value of the flywheel 200 corresponding to the target point.

For example, the target point may be position A or position B shown in Fig. 18 and Fig. 19 . In other words, in the resistance calibration method of the present invention, firstly, the movable part 212A of the feedback potentiometer 21A is allowed to slide to the A position; secondly, the flywheel 200 is driven to do a relative to the magnetic control device 100A. At this time, the flywheel 200A continuously cuts the magnetic induction line of the magnetic control device 100A to obtain a load; third, measure the actual power value of the flywheel 200A; fourth, compare the actual power value of the flywheel 200A If there is a difference between the power value and the design power value of the flywheel 200A when the movable part 212A of the feedback potentiometer 21A is at the A position, the resistance of the measured magnetic control device 100A on the surface is The value has an error with respect to the resistance value of other described magnetic control devices 100A; Fifth, adjust the resistance value of the magnetic control device 100A by adjusting the resistance value of the calibration potentiometer 22A, so that the flywheel 200A The actual power value of the feedback potentiometer 21A is consistent with the design power value when the active part 212A of the feedback potentiometer 21A is in the A position, thus realizing the resistance calibration of the magnetron device 100A.

It can be understood that, in the step (a), the actual power value of the flywheel 200A in the rotating state can be measured by a dynamometer.

Preferably, in the step (b), the resistance value of the calibration potentiometer 22A can be adjusted by rotating the calibration potentiometer 22A.

Preferably, in the step (b), the calibration potentiometer 22A inside the magnetron device 100A can be calibrated outside the magnetron device 100A. For example, the housing 11A of the magnetic control device 100A has the calibration channel 1101A, the calibration potentiometer 22A corresponds to the calibration channel 1101A, and the resistance calibration method allows a tool (for example, a screwdriver) to pass through the calibration channel 1101A. The calibration channel 1101A of the housing 11A of the magnetic control device 100A can apply force to the calibration potentiometer 22A to adjust the resistance of the calibration potentiometer 22A.

Accompanying drawing 20 and Fig. 21 have shown a magnetic control device 100B according to another preferred embodiment of the present invention, and accompanying drawing 22 has shown the application status of described magnetic control device 100B, and it has described a part of a flywheel 200B Extending to the inside of the magnetic control device 100B, and when the flywheel 200B is driven to rotate, it can continuously cut the magnetic induction lines of the magnetic control device 100B to obtain a load, so that the user who drives the flywheel 200B to rotate obtains exercise.

It is worth mentioning that, in the specific example of the magnetic control device 100B shown in accompanying drawings 20 to 22, the magnetic control device 100B is arranged on the edge of the flywheel 200B to form an outer magnetic control device .

Continuing to refer to FIGS. 20 to 22 , the magnetron device 100B includes a magnetron body 10B and a potential control unit 20B disposed on the magnetron body 10B. Preferably, the potential control unit 20B is disposed inside the magnetron main body 10B.

Specifically, the magnetron main body 10B further includes a housing 11B, a swing arm 12B and a set of magnetic elements 13B, wherein the swing arm 12B has a pivot end 121B and a receiving end corresponding to the pivot end 121B. Drive end 122B, the pivot end 121B of the swing arm 12B is rotatably mounted on the housing 11B, a set of magnetic elements 13B is set on the swing arm 12B, wherein the magnetron main body 10B Located on the edge of the flywheel 200B, and the swing arm 12B can swing away from or close to the edge of the flywheel 200B, so that the swing arm 12B drives a set of magnetic elements 13B to move away from or close to the flywheel The positional movement of the edge of 200B.

By driving the swing arm 12B to swing relative to the casing 11B, the distance between a set of the magnetic elements 13B and the flywheel 200B can be adjusted, so that the flywheel 200B cuts when driven to rotate. The amount of the magnetic field lines of the magnetic control device 100B can be adjusted, thereby adjusting the load of the flywheel 200B. Specifically, when the swing arm 12B swings so that the distance between a set of magnetic elements 13B and the flywheel 200B is relatively large, the flywheel 200B cuts off the magnetic induction of the magnetic control device 100B when it is driven to rotate. The amount of wire is less, so that the load on the flywheel 200B is smaller, and the resistance value paid by the user when driving the flywheel 200B is reduced, so that the user can drive the flywheel 200B more easily. , when the swing arm 12B swings to reduce the distance between a set of magnetic elements 13B and the flywheel 200B, the flywheel 200B cuts the magnetic field lines of the magnetic control device 100B when it is driven to rotate more, so that the load on the flywheel 200B is larger, and the resistance value paid by the user when driving the flywheel 200B increases, so that the user can drive the flywheel 200B to rotate with more effort.

In other words, the position of the swing arm 12B determines the relative position of a group of the magnetic elements 13B and the flywheel 200B, and further determines the load of the flywheel 200B when it is driven to rotate.

The potential control unit 20B is set to allow the resistance value of the potential control unit 20B to change with the swing of the swing arm 12B, so that the position and the position of the swing arm 12B can be fed back by the resistance value of the potential control unit 20B. The position of a group of the magnetic elements 13B relative to the flywheel 200B is used to feed back the load of the flywheel 200B when it is driven to rotate. In other words, the resistance value of the potential control unit 20B, the position of the swing arm 12B, the position of a group of the magnetic elements 13B relative to the flywheel 200B, and the load of the flywheel 200B when driven to rotate are one one corresponding.

The potential control unit 20B includes a feedback potentiometer 21B and a calibration potentiometer 22B connected to the feedback potentiometer 21B, wherein the feedback potentiometer 21B further includes a potentiometer body and is movably arranged on the An active part of the potentiometer body, the active part is associated with the swing arm 12B. For example, in the specific example of the magnetic control device 100B shown in FIGS. 20 to 22, the feedback potentiometer 21B is a rotary potentiometer, so that the movable part forms a rotating arm to be controlled It is rotatably arranged on the main body of the potentiometer.

The resistance value of the potential control unit 20B is related to the resistance value of the feedback potentiometer 21B and the resistance value of the calibration potentiometer 22B, and the resistance value of the potential control unit 20B is related to the resistance value of the feedback potentiometer 21B. The relationship between the value and the resistance value of the calibration potentiometer 22B depends on the connection relationship between the feedback potentiometer 21B and the calibration potentiometer 22B.

Further, the magnetic control device 100B further includes a circuit board 30B, wherein the potentiometer body of the feedback potentiometer 21B and the calibration potentiometer 22B are connected through the circuit board 30B, and the circuit board 30B is mounted on the housing 11B.

For example, in the specific example of the magnetic control device 100B shown in accompanying drawings 20 to 22, the potentiometer main body of the feedback potentiometer 21B is connected to the circuit board 30B, and the calibration potentiometer 22B is provided on the circuit board 30B. It is worth mentioning that the manner in which the calibration potentiometer 22B is disposed on the circuit board 30B is not limited in the magnetic control device 100B of the present invention. For example, the calibration potentiometer 22B can be attached to the circuit board 30B, or the calibration potentiometer 22B can be soldered to the circuit board 30B.

For the magnetic control device 100B of the present invention, when the user uses the magnetic control device 100B normally, for example, when the user uses the fitness equipment equipped with the magnetic control device 100B to exercise, the calibration potentiometer The resistance value of 22B remains unchanged, that is, the change of the resistance value of the potential control unit 20B only depends on the change of the resistance value of the feedback potentiometer 21B. The function of setting the calibration potentiometer 22B in the magnetic control device 100B of the present invention is to calibrate the resistance value of the potential control unit 20B and the position of the swing arm 12B caused by the error of the feedback potentiometer 21B, A group of errors in the corresponding relationship between the position of the magnetic element 13B relative to the flywheel 200B and the load of the flywheel 200B when it is driven to rotate. By introducing the calibration potentiometer 22B into the potential control unit 20B, the resistance value of the potential control unit 20B can be calibrated, especially the starting point position and the end point position of the potential control unit 20B can be calibrated. calibration, to calibrate the resistance value of the magnetron device 100B so that the resistance value of a batch of the magnetron device 100B is consistent.

The principle of calibrating the resistance value of the potential control unit 20B by the calibration potentiometer 22B and then calibrating the resistance value of the magnetic control device 100B is: the feedback potentiometer 21B and the calibration potentiometer 22B are connected in series, wherein the parameter R ₁ is the feedback potentiometer 21B, parameter R ₂ is the calibration potentiometer 22B, parameter A is the position where the active part is set to be able to rotate to the outermost position of the potentiometer body, and parameter B is the active The part is set to be able to rotate to the innermost position of the potentiometer body, and when the active part is in the A position, the distance between a group of the magnetic elements 13B and the flywheel 200B is the smallest, and when the active part is in At position B, the distance between a set of magnetic elements 13B and the flywheel 200B is the largest, parameter R ₁ A is the distance between position A and the movable part, parameter R ₁ B is the distance between position B and the movable part, where parameter R ₁ A and parameter R ₁ B are dynamic, which follow the active part in the feedback

The resistance of the potentiometer 22B is adjustable, therefore, by adjusting the value of △, the resistance value of the potential control unit 20B can be adjusted conveniently, so as to ensure the consistency of a batch of the magnetic control devices 100B.

Continuing to refer to accompanying drawings 20 to 22, the housing 11B has at least one housing space 1101B and a peripheral opening 1102B communicating with the housing space 1101B, and the swing arm 12B is swingably disposed on the housing 11B. In the housing space 1101B, a group of the magnetic elements 13B is disposed towards the peripheral opening 1102B of the casing 11B, and the edge of the flywheel 200B can extend to the peripheral opening 1102B of the casing 11B. Housing space 1101B, such that when the swing arm 12B swings in the housing space 1101B of the housing 11B towards or away from the peripheral opening 1102B of the housing 11B, a group of the magnetic elements 13B It can move towards or away from the flywheel 200B. The circuit board 30B is mounted in the housing space 1101B of the housing 11B so that the electric potential control unit 20B is held in the housing space 1101B of the housing 11B.

The housing 11B further has a calibration channel 1103B, the calibration channel 1103B communicates with the housing space 1101B, wherein the calibration potentiometer 22B of the potential control unit 20B is set to correspond to the calibration of the housing 11B. channel 1103B, so that when calibrating the resistance value of a batch of the magnetic control devices 100B, the magnetic control device 100B can be passed through the outer casing 11B without disassembling the magnetic control device 100B. The calibration channel 1103B adjusts the resistance of the calibration potentiometer 22B, thereby calibrating the resistance of the potential control unit 20B. In this way, the resistance of the magnetic control device 100B can be easily calibrated, so that a batch of The resistance value of the magnetic control device 100B can be conveniently calibrated to be consistent. For example, a simple tool (such as a screwdriver) can be inserted into the calibration channel 1103B of the housing 11B and act on the calibration potentiometer 22B, and the calibration can be adjusted by turning the calibration potentiometer 22B. The resistance value of the potentiometer 22B, so as to complete the calibration of the resistance value of the magnetron device 100B. Preferably, the calibration potentiometer 22B can extend to the calibration channel 1103B of the housing 11B, or the calibration potentiometer 22B can expose the housing 11B through the calibration channel 1103B of the housing 11B.

Further, the casing 11B includes a bottom casing 111B, a casing cover 112B and a cover body 113B. The bottom case 111B and the case cover 112B are installed mutually to form a case space 1101B and the peripheral opening 1102B between the bottom case 111B and the case cover 112B, wherein the swing arm 12B is swingably disposed in the casing space 1101B. The cover 113B is mounted on the case cover 112B to form a housing space 1101B between the cover 113B and the case cover 112B, in which the case mounted on the case cover 112B The circuit board 30B is held in the case space 1101B formed between the case cover 112B and the cover body 113B. The calibration channel 1103B is formed on the cover 113B, and the calibration potentiometer 22B disposed on the circuit board 30B corresponds to the calibration channel 1103B formed on the cover 113B.

The magnetron main body 10B further includes a driving part 17B, and the driving part 17B is arranged in the housing space 1101B of the housing 11B for driving the swing arm 12B relative to the housing 11B. The swing.

Specifically, the driving part 17B further includes a driving motor 171B, a set of reduction gears 172B, a first driving arm 173B and a second driving arm 174B, wherein the driving motor 171B is fixedly mounted on the housing 11B The bottom case 111B of the case 111B, wherein opposite sides of a set of reduction gears 172B are respectively rotatably mounted on the bottom case 111B and the case cover 112B of the case 11B, and a set of reduction gears One of the reduction gears 172B in 172B is drivably connected to the output shaft of the driving motor 171B, wherein the middle portion of the first driving arm 173B is rotatably mounted on the housing 11B, and the first One end of the driving arm 173B is drivably connected to one of the reduction gears 172B in a set of the reduction gears 172B, and one end of the second driving arm 174B is rotatably mounted to the first reduction gear 172B. The other end of the second driving arm 174B, the other end of the second driving arm 174B is rotatably mounted on the driven end 122B of the swing arm 12B, so that the driving motor 171B passes through a set of The reduction gear 172B, the first driving arm 173B and the second driving arm 174B drive the swing arm 12B to swing relative to the housing 11B.

More specifically, when the drive motor 171B rotates in one direction with the output shaft of the drive motor 171B to output power, the power passes through a set of reduction gears 172B, the first drive arm 173B and the first drive arm 173B. The two drive arms 174B are transmitted to the swing arm 12B to allow the swing arm 12B to swing toward the direction close to the flywheel 200B to increase the load on the flywheel 200B when it rotates. Correspondingly, when the drive motor 171B rotates the output shaft of the drive motor 171B in another direction to output power, the power is transmitted to the drive arm 174B through a set of reduction gears 172B, the first drive arm 173B and the second drive arm 174B. The swing arm 12B is used to allow the swing arm 12B to swing away from the flywheel 200B to reduce the load on the flywheel 200B when it rotates.

It is worth mentioning that the type of the driving motor 171B is not limited in the magnetic control device 100B of the present invention, for example, the driving motor 171B may be but not limited to a stepping motor or a servo motor. Preferably, the driving motor 171B is connected to the circuit board 30B.

Further, the active part of the feedback potentiometer 21B is installed on the first driving arm 173B of the driving part 17B, so that the active part of the feedback potentiometer 21B is associated with the driving part 17B and the swing arm 12B, so that when the drive motor 171B drives the swing arm 12B to swing through a set of reduction gear 172B, the first drive arm 173B and the second drive arm 174B, the first A driving arm 173B can drive the movable part to rotate relative to the main body of the potentiometer, so that the resistance value of the potential control unit 20B changes. At this time, according to the resistance value of the potential control unit 20B, it can be determined The distance between the set of magnetic elements 13B and the flywheel 200B determines the load of the flywheel 200B when driven to rotate.

It should be understood by those skilled in the art that the embodiments of the present invention shown in the foregoing description and drawings are only examples and do not limit the present invention. The objects of the present invention have been fully and effectively accomplished. The functions and structural principles of the present invention have been shown and described in the embodiments, and the embodiments of the present invention may have any deformation or modification without departing from the principles.

Claims

An internal magnetic control device, characterized in that it comprises:

a slider;

at least one connecting rod;

at least one set of magnetic elements;

at least one swing arm, wherein the swing arm has a pivot end and a driven end corresponding to the pivot end, wherein a set of the magnetic elements is arranged on the outside of the swing arm, wherein the connecting rod The opposite ends of are respectively rotatably mounted on the driven end of the swing arm and the slider; and

A casing, wherein the casing has a central perforation, a housing space, a peripheral opening, an escape space and a slide rail, the housing space is located outside the central perforation, and the peripheral opening communicates with the casing body space, the avoidance space extends from the shell space to the direction of the central perforation, the extension direction of the slide rail is consistent with the radial direction of the casing, and the outer end of the slide rail faces the casing position in the edge direction, the inner end of the slide rail extends toward the direction of the avoidance space, wherein the pivot end of the swing arm is rotatably mounted on the edge of the housing, and the slide block is slidably ground mounted on the slide rail, and at least a part of the slide block is allowed to slide into the avoidance space of the housing.
The internal magnetic control device according to claim 1, wherein the slide rail extends to the avoidance space.
The internal magnetic control device according to claim 1, wherein the stroke of the slider is greater than 12mm.
The internal magnetic control device according to any one of claims 1 to 3, wherein the internal magnetic control device comprises two connecting rods, two groups of magnetic elements and two swing arms, two of the The pivoting ends of the swing arms are adjacent, each set of magnetic elements is respectively arranged on the outside of each swing arm, and the opposite ends of each connecting rod are respectively rotatably mounted on each of the swing arms. the driven end of the swing arm and each side of the slider.
The internal magnetic control device according to claim 4, wherein said housing comprises a bottom case and a case cover, said bottom case has a bottom case boss and a bottom case central hole formed on said bottom case boss , wherein the case cover has a case cover boss and a case cover central hole formed on the case cover boss, wherein the bottom case and the case cover are formed by the bottom case boss of the bottom case and the case cover boss of the case cover are installed in such a way that the center hole of the bottom case of the bottom case corresponds to the center hole of the case cover of the case cover to form the The center of the shell is perforated, and the shell space and the peripheral opening are formed between the bottom shell and the shell cover, wherein the side wall of the bottom shell boss of the bottom shell faces the The direction of the central hole of the bottom case is recessed to form the avoidance space of the casing.
The internal magnetic control device according to claim 4, wherein said housing comprises a bottom case and a case cover, said bottom case has a bottom case boss and a bottom case central hole formed on said bottom case boss , wherein the case cover has a case cover boss and a case cover central hole formed on the case cover boss, wherein the bottom case and the case cover are formed by the bottom case boss of the bottom case and the case cover boss of the case cover are installed in such a way that the center hole of the bottom case of the bottom case corresponds to the center hole of the case cover of the case cover to form the The center of the shell is perforated, and the shell space and the peripheral opening are formed between the bottom shell and the shell cover, wherein the side wall of the bottom shell boss of the bottom shell faces the The direction of the center hole of the bottom case is recessed to form a part of the escape space of the housing, and the side wall of the case cover boss of the case cover is recessed toward the direction of the center hole of the case cover to form the part of the avoidance space. Another part of the avoidance space of the housing.
The internal magnetic control device according to any one of claims 1 to 3, wherein the internal magnetic control device further comprises a potential control unit, the potential control unit comprises a circuit board and a sliding potentiometer, wherein the circuit The board is fixedly mounted on the housing and held in the housing space, wherein the slide potentiometer further includes a potentiometer body and a slide rod slidably mounted on the potentiometer body, the The potentiometer main body is mounted on the circuit board, and the sliding rod is installed on the sliding block.
The internal magnetic control device according to claim 7, wherein the potential control unit further comprises a calibration potentiometer, wherein the calibration potentiometer is mounted on the circuit board, and the calibration potentiometer and the sliding potentiometers in series.
The internal magnetic control device according to claim 8, wherein the housing has a calibration channel, and the calibration potentiometer corresponds to the calibration channel, so that the internal magnetron can be calibrated by operating the calibration potentiometer through the calibration channel. The initial position of the resistance value of the magnetic control device.
A fitness equipment, characterized in that it includes:

an equipment rack;

a stepping device, wherein said stepping device is steppably mounted to said equipment rack;

a flywheel, wherein said flywheel is rotatably mounted to said equipment frame and drivably connected to said treadle; and

The internal magnetic control device according to any one of claims 1 to 9, wherein a mounting shaft of the equipment rack is installed in the central through hole of the outer shell of the internal magnetic control device to install the internal magnetic control device. The magnetic control device is located on the equipment rack, and the flywheel surrounds the outer side of the inner magnetic control device.
A method for calibrating the resistance of a magnetron device, characterized in that the method for calibrating the resistance comprises the following steps:

(a) at a target point, measure the actual power value of a flywheel in a rotating state, wherein the flywheel in a rotating state cuts the magnetic induction line of the magnetic control device to obtain a load; and

(b) Adjusting the resistance value of a calibration potentiometer of the magnetic control device, so that the actual power value of the flywheel is consistent with the design power value of the flywheel corresponding to the target point.
The resistance calibration method according to claim 11, wherein in the step (b), the resistance of the calibration potentiometer is adjusted by rotating the calibration potentiometer.
The resistance calibration method according to claim 11, wherein in the step (b), the resistance of the calibration potentiometer inside the magnetic control device is calibrated outside the magnetic control device.
The resistance calibration method according to claim 12, wherein in the step (b), the resistance of the calibration potentiometer inside the magnetic control device is calibrated outside the magnetic control device.
The resistance calibration method according to claim 14, wherein in the step (b), a tool is allowed to apply force to the calibration potentiometer through a calibration hole of a housing of the magnetic control device to adjust the calibration potentiometer. The resistance value of the calibration potentiometer described above.
A magnetic control device is characterized in that it comprises:

a circuit board;

A potential control unit, wherein the potential control unit includes a feedback potentiometer and a calibration potentiometer, the feedback potentiometer and the calibration potentiometer are connected through the circuit board, wherein the feedback potentiometer further includes a a potentiometer body and a movable portion movably disposed on said potentiometer body; and

A magnetron main body, wherein the magnetron main body includes a shell, at least one swing arm and at least one set of magnetic elements, wherein the pivot end of the swing arm is rotatably arranged on the shell, and a set of the magnetic elements The components are arranged on the outside of the swing arm, the circuit board is mounted on the casing, and the active part of the feedback potentiometer is associated with the swing arm.
The magnetic control device according to claim 16, wherein said feedback potentiometer and said calibration potentiometer are connected in parallel.
The magnetic control device according to claim 16, wherein said feedback potentiometer and said calibration potentiometer are connected in series.
The magnetic control device according to any one of claims 16 to 18, wherein the housing has a housing space and a peripheral opening communicating with the housing space and a calibration channel, the circuit board, the potential control The unit and the swing arm are respectively located in the housing space of the housing, and a set of the magnetic elements is open towards the periphery of the housing, and the calibration potentiometer corresponds to the calibration channel of the housing .
The magnetic control device according to any one of claims 16 to 18, wherein the housing has a sliding rail, and the extending direction of the sliding rail is consistent with the radial direction of the housing, wherein the magnetic control main body further includes at least a sliding block and at least one connecting rod, the sliding block is slidably arranged on the sliding rail of the housing, and the opposite ends of the connecting rod are respectively rotatably mounted on the sliding block and the The driven end of the swing arm, wherein the sliding arm of the sliding potentiometer is mounted to the slider.
The magnetic control device according to claim 20, wherein the magnetic control body comprises two swing arms, two sets of magnetic elements and two connecting rods, and the pivot ends of the two swing arms are connected to each other. Adjacent, each group of magnetic elements is respectively arranged on the outside of each of the swing arms, and the opposite ends of each of the connecting rods are respectively rotatably installed on the driven end of each of the swing arms and the each side of the slider described above.