CN218357121U

CN218357121U - Resistance control device on spinning

Info

Publication number: CN218357121U
Application number: CN202222571608.2U
Authority: CN
Inventors: 杨文普; 陈建; 秦粕钧; 陈小宝
Original assignee: Shenzhen Fitcare Electronics Co ltd
Current assignee: Shenzhen Fitcare Electronics Co ltd
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2023-01-24
Anticipated expiration: 2032-09-27

Abstract

The utility model discloses a resistance control device on spinning relates to spinning technical field. The automobile flywheel driving device comprises a frame, be provided with the flywheel on the frame, be provided with the drive wheel on the left frame of flywheel, the drive wheel passes through the belt and is connected with the flywheel transmission, fixed mounting has the mounting bracket on the frame in the lower left corner of flywheel, middle part position has main control unit, constant current source unit and excitation coil by supreme fixed mounting down on the mounting bracket, main control unit and constant current source unit and external power source electric connection, the upper surface of mounting bracket is close to the right side position and is provided with the unit that tests the speed, main control unit and intelligent terminal electric connection. The utility model discloses the resistance adjustment can show through intelligent terminal, makes the resistance condition surveyability, and adjustment resistance is accomplished at a glance, increases substantially user's availability factor, and the resistance of riding through the simulation really changes along with road conditions automation, makes the training experience better.

Description

Resistance control device on spinning

Technical Field

The utility model relates to a spinning technical field specifically is a resistance control device on spinning.

Background

Spinning is a very common aerobic exercise equipment. Because the rhythm sense in the process of exercise is very strong, the exercise experience is very excellent, and the device is very popular among fitness people. In recent years, the living standard is continuously improved, most people also change the living attitude, the national sports are popularized, the physical and mental health problems are concerned, and the spinning has the characteristic of wide range of applicable people, thereby becoming one of the preferred exercise machines of families.

In the prior art, the spinning bicycle with the five-flower eight doors in the market generally provides resistance for cow leather mechanical friction or electromagnetic damping generated by a permanent magnet and a rotating flywheel. The distance between the flywheel and the friction plate or the permanent magnet is controlled by the expansion and contraction of the brake rod so as to control the resistance, the larger the distance is, the smaller the resistance is, and the smaller the distance is, the larger the resistance is. Because principle simple structure, the advantage is with low costs, and the shortcoming needs to carry out the regulation of resistance size through various knobs, leads to the manipulation loaded down with trivial details, and the resistance is difficult to swift accurate handle accuse, makes the sensation bicycle mode single, and the training experience effect is not good.

SUMMERY OF THE UTILITY MODEL

The utility model provides a resistance control device on spinning to solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a resistance control device on spinning, includes the frame, be provided with the flywheel on the frame, be provided with the drive wheel on the left frame of flywheel, the side is provided with pedal around the drive wheel, the drive wheel passes through the belt and is connected with the flywheel transmission, fixed mounting has the mounting bracket on the frame of flywheel lower left corner, middle part position has main control unit, constant current source unit and excitation coil by supreme fixed mounting down on the mounting bracket, main control unit and constant current source unit and external power source electric connection, excitation coil upper surface sets up with the flywheel lower surface in opposite directions, the upper surface of mounting bracket is close to the right side position and is provided with the unit that tests the speed, and tests speed unit and main control unit electric connection, main control unit and intelligent terminal electric connection.

Further, the main control unit comprises a microcontroller and a storage, the microcontroller and the storage are installed on the installation frame, and the microcontroller is electrically connected with the storage.

Further, the speed measuring unit comprises an infrared light sensor and a reflective sticker, the infrared light sensor is fixedly installed on the installation frame, and the reflective sticker is fixedly pasted on the front side face of the flywheel corresponding to the infrared light sensor along the circumferential direction.

Furthermore, protective covers are arranged on the front side face and the rear side face of the mounting frame.

Furthermore, the intelligent terminal adopts peripheral intelligent electronic equipment capable of outputting motion information.

Furthermore, four corners of the frame are fixedly provided with anti-skid rubber sleeves.

Compared with the prior art, the utility model provides a resistance control device on spinning possesses following beneficial effect:

this resistance control device on spinning, through setting up the main control unit hookup speed measuring unit, the constant current source unit, the rotational speed data that the real-time detection speed measuring unit gathered, the current data that the monitoring constant current source unit gathered, adjust the constant current source unit electric current according to the rotational speed change, and then restrain the moment of torsion size of flywheel motion through the excitation coil adjustment, the resistance adjustment can show through intelligent terminal, make the resistance condition surveyability, the adjustment resistance is accomplished at a glance, user's availability factor is increased substantially, the resistance of riding along with road conditions automatic change through the simulation reality, realize the scene of multiple motion mode and use, make training experience better.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic diagram of the control system of the present invention.

In the figure: 1. a frame; 2. a flywheel; 3. a drive wheel; 4. pedaling; 5. a belt; 6. a mounting frame; 7. a main control unit; 701. a microcontroller; 702. a reservoir; 8. a constant current source unit; 9. a field coil; 10. an external power supply; 11. a speed measuring unit; 111. an infrared light sensor; 112. reflecting stickers; 12. an intelligent terminal; 13. a protective cover; 14. an antiskid rubber sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 and 2, the present invention discloses a resistance control device on a spinning bike, including a frame 1, wherein a flywheel 2 is disposed on the frame 1, the flywheel 2 is a conductor-containing flywheel (such as iron, copper, aluminum, etc. having a magnetic attraction force), a driving wheel 3 is disposed on the frame 1 on the left side of the flywheel 2, pedals 4 are disposed on the front and rear sides of the driving wheel 3, the driving wheel 3 is in transmission connection with the flywheel 2 through a belt 5, when the pedals 4 are pedaled, the pedals 4 are connected with the flywheel 2 through the belt 5, the static friction phenomenon makes the pedals 4 consistent with the motion state of the flywheel 2, the flywheel 2 cuts the magnetic induction line motion of the flywheel 9 to generate an electromagnetic damping phenomenon, so that a force obstructing the motion of the flywheel 2 is generated on the flywheel 2, the force obstructing the motion of the flywheel is called as a resistance force, i.e. a torque applied on the flywheel 2, a mounting bracket 6 is fixedly mounted on the frame 1 at the lower left corner of the flywheel 2, a main control unit 7, a constant current source unit 8 and a constant current source unit 10 are fixedly mounted on the mounting bracket 6 from the upper middle position of the flywheel 9, the flywheel 9 is provided on the outer side, the main control unit, the constant current source unit is provided on the magnetic field coil 9, the constant current source 7 and the constant current source unit, the constant current source unit is provided on the constant current source 9, the constant current source unit 10, the magnetic field source unit is provided on the magnetic field source 9, the magnetic field source unit 9, the speed measuring unit 11 is electrically connected with the main control unit 7, and the main control unit 7 is electrically connected with the intelligent terminal 12.

Specifically, the main control unit 7 includes a microcontroller 701 and a storage 702, the microcontroller 701 and the storage 702 are installed on the mounting frame 6, and the microcontroller 701 and the storage 702 are electrically connected.

In this embodiment, the microcontroller 701 receives the speed measurement unit 11, the constant current source unit 8, and the intelligent terminal 12, and applies data integration to the excitation coil 9 to control resistance, the storage 702 is configured to store data of a correspondence between a current and a torque of the excitation coil 9, data of a correspondence between a current and a rotation speed of the excitation coil 9 in an ERG mode, and data of a correspondence between a current and a rotation speed of the excitation coil 9 in a windage mode, and the storage 702 has a characteristic that power failure data is not lost, and is expanded by a formula P = F ω, where P is a target power, F is a torque generated by the excitation coil 9 under the action of a current, and ω is a coil rotation speed. In the ERG mode, when the rotation speed increases, the microcontroller 701 controls the current flowing through the excitation coil 9 to decrease until the power is unchanged; conversely, the larger the rotation speed reduction current is, the more the power is unchanged. In the windage mode, when the rotating speed is increased, the microcontroller 701 controls the current flowing through the magnet exciting coil 9 to be increased; conversely, when the rotation speed is reduced, the current flowing through the exciting coil 9 is controlled to be reduced. In the constant resistance mode, when the rotation speed increases, the microcontroller 701 controls the current flowing through the exciting coil 9 to be constant. In the HIIT high-intensity intermittent mode, the microcontroller 701 automatically monitors the movement time and adjusts the current in sections, so that the resistance in the same section time is the same, and the resistance in different section times is different.

Specifically, the speed measuring unit 11 includes an infrared light sensor 111 and a reflective sticker 112, the infrared light sensor 111 is fixedly mounted on the mounting frame 6, and the reflective sticker 112 is fixedly pasted on the front side surface of the flywheel 2 corresponding to the infrared light sensor 111 along the circumferential direction.

In this embodiment, reflection of light sticker 112 should be perpendicular with infrared light sensor 111 space, and reflection of light sticker 112 comprises two continuous alternate of look, and two color zone can coincide completely, and one color is as reflecting infrared light use, and another color is as absorbing the infrared light use. When infrared light shines on reflection of light sticker 112 when infrared light sensor 111 transmitting terminal sends infrared light, infrared light sensor 111 receiving terminal because reflection of light sticker 112's characteristic can appear receiving infrared light and the phenomenon of losing the infrared light, when flywheel 2 is rotatory, just can judge the rotational speed according to the receiving terminal infrared light, is according to the formula: omega = the curvature of the shaft, t is the time. The unit of angular velocity ω is: radians per second. In the device, t is the time difference of the light-reflecting paster 112 with any color passing through the receiving end, and the nut is the arc length of the light-reflecting paster with any color passing through the receiving end.

Specifically, the front side and the rear side of the mounting rack 6 are provided with protective covers 13.

In this embodiment, the protection casing 13 provides protect function for electronic product, effectively prevents sweat, make-up water etc. and unrestrained on the surface, avoids accidental touching to cause the electric shock danger simultaneously.

Specifically, the intelligent terminal 12 is a peripheral intelligent electronic device capable of outputting motion information.

In this embodiment, the intelligent terminal 12 may adopt a tablet computer or other peripheral intelligent electronic device as an input end for displaying the exercise data output end and the target exercise data, and the output exercise data includes data such as power, speed, distance, pedaling frequency, exercise time, and calories. The input motion data includes power, motion time, distance and the like. The user inputs motion data through the intelligent terminal 12, the motion data is received and processed by the main control unit 7, the data is converted into control current of the constant current source unit 8 according to the pre-storage relation of the storage 702 and acts on the excitation coil 9, and the purpose of controlling the resistance of the flywheel 2 is achieved to realize different motion mode experiences.

Specifically, the four corners of the frame 1 are fixedly provided with anti-skid rubber sleeves 14.

In this embodiment, the anti-slip rubber sleeve 14 increases the friction force on the lower surface of the frame 1, so that the frame 1 is placed more stably.

When the device is used, the current of the constant current source unit 8 is monitored through the main control unit 7, the reflective sticker 112 in the speed measurement unit 11 rotates along with the flywheel 2, the infrared light sensor 111 reflects light through the reflective sticker 112 and monitors the rotating speed of the flywheel 2, the microcontroller 701 and the storage 702 in the main control unit 7 are connected with the speed measurement unit 11 and the constant current source unit 8, the rotating speed data of the flywheel 2 is detected in real time, the data are analyzed and processed through the microcontroller 701, then the current output by the constant current source unit 8 is regulated through the microcontroller 701, the constant current source unit 8 regulates the current through the current, the torque for restraining the movement of the flywheel 2 is further regulated through the excitation coil 9, the resistance regulation data can be displayed through the intelligent terminal 12, the resistance condition is clear at a glance, the resistance regulation is completed at a key, the use efficiency of a user is greatly improved, the scene application of various movement modes is realized through simulating the automatic change of the resistance of real riding along with road conditions, the training experience is better, under the concept era of promoting environmental protection and resource saving, the ' old machine upgrading ' mode ' is adopted, the dynamic device containing conductor types 2 (iron, copper, the flywheel, aluminum and the like) is changed into a dynamic device which can be used for realizing the first, the regeneration and can be used conveniently and the dynamic regulation and can be used for realizing the regeneration and the dynamic regulation by the first, the dynamic regulation device, the first, the dynamic regulation device can be conveniently; the resistance is subjected to data visualization, the change of the resistance is intuitively sensed, the accuracy and the sensitivity are high, and the resistance control is not forced; the resistance grade strength is increased, and the maximum resistance is further improved within the range of the original resistance; experience and feel the promotion, adopt no direct contact mode, avoid the inhomogeneous pause of causing in the surface of the direct friction mode of cow hide to frustrate and feel, adopt constant current source drive excitation coil 9 mode, avoid the electronic component switching noise of PWM adjustment voltage mode to appear to and the loss that the component temperature rise arouses. And thirdly, adding new characteristics. And a wind resistance mode is added, the resistance is automatically adjusted along with the change of the rotating speed of the flywheel 2, the higher the rotating speed is, the larger the resistance is, otherwise, the lower the rotating speed is, the smaller the resistance is, and the real riding state is simulated. The ERG mode is added, the resistance is controlled by automatically adjusting the output of the constant current source, the faster the rotating speed is, the smaller the resistance is, the slower the rotating speed is, the larger the resistance is, so as to adapt to the stable output of power (namely the product of the rotating speed and the resistance), and the method is suitable for a driver training scene. And the HIIT high-strength intermittent mode is added, and the resistance in the same subsection time is the same and the resistance in different subsection times is different by sectioning the movement time, so that the device is suitable for a muscle explosive force training scene. The auxiliary stopping function is added, and the 'braking' is automatically carried out when the foot is stopped. Increase the motion data, carry out the linkage through microcontroller 701 and APP, carry out the data ization with the motion data and demonstrate on APP, contain data such as power, speed, distance, step frequency. Simultaneously, APP also can transmit virtual parameters such as slope, wind speed, road surface frictional force in the virtual scene to microcontroller 701, and microcontroller 701 handles the analysis data and produces corresponding resistance feedback to the user, realizes that immersive rides and experiences.

To sum up, this resistance control device on spinning, main control unit 7 hookup tachometer unit 11, constant current source unit 8, the rotational speed data that real-time detection tachometer unit 11 gathered, the current data that monitors constant current source unit 8 and gathers, adjust the constant current source unit 8 electric current according to the rotational speed change, and then restrain the moment of torsion size of 2 movements of flywheel through excitation coil 9 adjustment, the resistance adjustment can show through intelligent terminal 12, make the resistance condition surveyability, the adjustment resistance is accomplished at a glance, increase substantially user's availability factor, resistance through simulating really riding changes along with road conditions automatically, realize multiple movement pattern's scene and use, make training experience better.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a resistance control device on spinning, includes frame (1), its characterized in that: be provided with flywheel (2) on frame (1), be provided with drive wheel (3) on flywheel (2) left frame (1), the side is provided with pedal (4) around drive wheel (3), drive wheel (3) are connected with flywheel (2) transmission through belt (5), fixed mounting has mounting bracket (6) on frame (1) in flywheel (2) lower left corner, middle part position has main control unit (7), constant current source unit (8) and excitation coil (9) by supreme fixed mounting down on mounting bracket (6), main control unit (7) and constant current source unit (8) and external power source (10) electric connection, excitation coil (9) upper surface and flywheel (2) lower surface are relative to setting up, the upper surface of mounting bracket (6) is close to the right side position and is provided with unit (11) that tests the speed, and tests speed unit (11) and main control unit (7) electric connection, main control unit (7) and intelligent terminal (12) electric connection.

2. A resistance control device on a spinning as claimed in claim 1 wherein: the main control unit (7) comprises a microcontroller (701) and a storage (702), the microcontroller (701) and the storage (702) are installed on the mounting frame (6), and the microcontroller (701) is electrically connected with the storage (702).

3. A resistance control device on a spinning as claimed in claim 1 wherein: speed unit (11) include infrared light sensor (111) and reflection of light sticker (112), infrared light sensor (111) fixed mounting is on mounting bracket (6), flywheel (2) leading flank corresponding in infrared light sensor (111) is fixed along circumference and is pasted reflection of light sticker (112).

4. A resistance control device on a spinning bike according to claim 1, wherein: and protective covers (13) are arranged on the front side surface and the rear side surface of the mounting frame (6).

5. A resistance control device on a spinning bike according to claim 1, wherein: the intelligent terminal (12) adopts peripheral intelligent electronic equipment capable of outputting motion information.

6. A resistance control device on a spinning bike according to claim 1, wherein: four corners of the frame (1) are fixedly provided with anti-skid rubber sleeves (14).