Instrument panel system for indoor bicycle

Abstract

Disclosed is an instrument panel system for an indoor bicycle. The present embodiment provides an instrument panel system for an indoor bicycle reflecting resistance, wherein a power meter is used instead of a separate piece of bicycle equipment as a measurement device on the indoor bicycle to measure the force used when pedaling and various exercise indexes including speed on the basis of the force in a manner similar to when cycling on an actual road, and display the force and the various exercise indexes.

Description

Dashboard system for indoor cycling

[0001] One embodiment of the present invention relates to an indoor bicycle instrument panel system that displays exercise performance not only based on the current crank rotation speed, but also by taking crank resistance into consideration.

[0002] The content described below merely provides background information related to the present embodiment and does not constitute prior art.

[0003] The gearing of a typical outdoor bicycle is achieved by combining one to three chainrings (also called cranks, crank wheel, front chain wheel, front chain teeth, front gear, etc.) of different circumferences, and up to 12 sprockets (cassette sprockets, sprocket wheel, front chain teeth, rear gear, rear chain teeth, etc.) (both of which are usually sized by the number of teeth (xT).

[0004] By manipulating the shift lever, cyclists can change the rotational speed between the crank and the wheel (sprocket) by selecting various chainring and sprocket combinations. This adjustment allows riders to select the optimal gear ratio for efficient riding based on factors such as their athletic ability, characteristics, wind direction and speed, and terrain slope.

[0005] Typical outdoor bicycle speedometers calculate speed in km / h (km / h) by multiplying the wheel's rotational speed by the circumference of the wheel (the circumference of the rear tire after inflation) connected to the drivetrain. However, some speedometers directly measure distance traveled per hour through GPS location recognition. However, this is irrelevant for indoor cycling, where there is no movement.

[0006] Indoor cycling was first developed for rehabilitation and physical recovery after illness or injury. Unlike outdoor cycling, indoor cycling is not affected by extreme weather conditions, including extreme cold, extreme heat, snow, rain, and strong winds. Because indoor cycling requires no preparation for outdoor riding, it allows for a quick workout in spare moments. Indoor cycling is free from the risk of accidents and the potential respiratory health risks associated with fine dust, a major factor in outdoor activities. Riders can multitask while exercising, performing simple tasks on their smartphones or laptops, reading, or watching TV.

[0007] Recently, indoor cycling has been linked to outdoor cycling records, allowing for detailed training programs and developing adaptability for extreme conditions. Indoor cycling is expanding its use to include outdoor cycling training, such as warming up for full-scale outdoor riding and cooling down after riding. The indoor cycling market has recently seen accelerated growth in the form of home gyms and home training due to the global pandemic. From a technical perspective, for a while, indoor cycling remained a simple indoor exercise machine with a mechanical dashboard displaying traditional performance metrics like speed, distance, and calories burned.

[0008] Since then, rollers developed for indoor training by professional athletes and some enthusiasts have appeared, and with the connection to the Internet and computer games, related technologies have developed, and the paradigm of indoor cycling has evolved.

[0009] Recently, indoor cycling has been connecting outdoor bikes to smart rollers (smart trainers) to overcome its biggest weaknesses: boredom and low exercise continuity.

[0010] Indoor cycling combines hardware, represented by smart bikes, with software, known as cycling apps, to form a new indoor cycling platform. Connected to a cycling computer, indoor cycling measures and displays advanced kinematic indicators, known as cycling dynamics, in addition to traditional exercise metrics, through power measurements. Indoor cycling not only allows users to set training goals and measure and display pedaling performance, but is also integrating with virtual reality, taking it to a new level.

[0011] The advancement of smart devices and cycling apps allows people to participate in group rides or online training on virtual courses remotely. Indoor cycling is evolving from the traditional concept of indoor exercise or simple training to a major category of cycling that allows people to enjoy cycling indoors. This evolution of indoor cycling is driving the growth of the service market in addition to the indoor cycling equipment market.

[0012] Cycling computers utilize power meters on smart trainers or smart bikes to measure power, which serves as the basis for key exercise metrics, including cycling dynamics. However, cycling computers are currently not widely available due to their price, which is several times that of a standard bicycle.

[0013] Due to the inherent boredom inherent in indoor cycling, there is a need to measure and display speed, distance traveled, calories burned, and other data on a dashboard to improve exercise continuity and enhance exercise effectiveness. Based on the displayed exercise performance, an indoor cycling dashboard allows for the adjustment and maintenance of intensity, adjustment of intensity, and improvement in exercise capacity.

[0014] Dashboards are even more essential on indoor bikes than on outdoor bikes. Therefore, unlike outdoor bikes, where dashboards are purchased separately from the bike itself, almost all currently available indoor bikes come equipped as an essential component. Most dashboards for indoor bikes display exercise time, speed, distance traveled, calories burned, and heart rate. These dashboards provide consistent and objective data, reduce boredom during exercise, and display post-workout performance and accumulated exercise volume over a specific period.

[0015] Outdoor bicycles change gears by changing the rotational ratio between the crank and the rear wheel, which involves pedaling resistance.

[0016] Indoor bicycles generate pedaling resistance (torque, a physical quantity that acts on an object and causes the object to rotate) corresponding to the various gear ratios (number of chainring teeth ÷ number of sprocket teeth) of outdoor bicycles to provide a rider experience similar to that of outdoor bicycles in terms of crank resistance when pedaling.

[0017] Indoor bicycles do not have gears to control pedaling resistance. To achieve the exercise effect corresponding to the pedaling resistance created by the various gear ratios of an outdoor bicycle, indoor bicycles artificially apply direct or indirect resistance to the wheels through magnets or (brake) pads.

[0018] In indoor cycling, resistance control can be achieved by directly applying resistance to the crank or wheel using pads made of wool or cowhide, or by indirectly generating resistance using magnetic force. Resistance control methods include step-wise and discontinuous control and continuous and fine control.

[0019] Resistance control using pads is, without exception, a continuous, micro-adjustment method due to its physical characteristics. Magnetic control can be applied in both continuous and discontinuous modes. However, unlike magnetic control, which also uses continuous micro-adjustment, pads inevitably wear out as accumulated riding power increases. This leads to a decrease in resistance even with the same resistance control lever travel or position.

[0020] The biggest problem here is that, regardless of how the resistance is generated, the rotational ratio between the crank and the wheel is not the same for each model despite changes in resistance (torque), but within the same model, the rotational ratio between the crank and the wheel is always constant regardless of changes in torque.

[0021] Therefore, the speed indicators (current speed, average speed, top speed) and the driving distance based on speed displayed on the general indoor bicycle dashboard are far from the actual value because they do not take into account the difference in torque. The general indoor bicycle dashboards currently on the market measure and display the speed as a certain percentage of the cadence (the number of pedaling strokes per minute or crank rotations per minute) or the RPM (wheel rotations per minute) of the flywheel which is equivalent to this. When the general dashboard displays the driving distance, calories burned, etc. based on the speed that does not reflect the exercise time, there is a difference from the actual value because it does not take into account the difference in torque.

[0022] For example, for simple comparison in outdoor bicycles, when a 1 (number of chain rings) x 12 (number of sprocket teeth) gear is installed with 12 sprockets of 11T to 32T on a single chain ring, which is mainly used in high-end mountain bicycles, the difference in gear ratio between 1st and 12th gears is almost three times, so at the same crank rotation speed, a difference in wheel (sprocket) rotation speed of up to three times occurs.

[0023] Assuming that the difference between the maximum and minimum torque (flywheel or crank resistance) of an indoor bicycle is the same as that of an outdoor bicycle, there should be up to a three-fold difference in riding speed and corresponding distance and calorie consumption depending on the size of the resistance at the same cadence, but they are always measured and displayed the same on a typical indoor bicycle speedometer.

[0024] In other words, typical indoor bike dashboard systems always display the same speed-related and other metrics, regardless of the resistance level, at the same pedaling speed. Typical indoor bike dashboards move beyond multiplying cadence or RPM measurements by arbitrary weights to measure power consumption at each resistance level and cadence.

[0025] Current indoor bicycle dashboards need to be improved to measure the force consumption (power) for each resistance level and cadence, and based on this, calculate and display other exercise performance indicators such as speed, distance traveled, and calories burned in a way that is closer to reality. The indoor bicycle dashboard according to this embodiment measures the actual force consumption (power) for each resistance level and cadence, moving beyond the existing method of calculating speed-related indicators and other exercise indicators by multiplying cadence measurements by arbitrary weights for each manufacturer and brand.

[0026] Riders can use cadence, speed, power, heart rate, etc. as reference indicators to pedal at a relatively fast speed in a relatively light gear, or torque, which focuses on power and slow speed in a heavy gear, or by combining various torques and cadences (number of pedaling strokes per minute) to adjust the intensity or amount of exercise within a certain range of their maximum exercise capacity.

[0027] Additionally, some are currently releasing dual sensors equipped with a cadence sensor and a speed sensor due to the usefulness of cadence as an exercise indicator, and recommending their use not only on outdoor bikes but also indoors. In the case of outdoor bike speedometers, speed is measured through wheel rotation speed, so a separate cadence sensor is required to measure cadence. However, in a typical indoor bike dashboard, speed is calculated by applying a certain weighting for each model to the flywheel rotation speed, and since the wheel rotation speed is the same as cadence (crank rotation speed), there is no need to install an additional cadence sensor.

[0028] The speed calculated based on pedaling rotation speed (wheel rpm, cadence) without considering resistance on a typical indoor bike dashboard is displayed as a realistic figure only at a specific single resistance level for each model.

[0029] In relation to this, the Korea Consumer Agency under the Fair Trade Commission has revealed that it has confirmed that “the calorie count displayed on indoor bicycles on the market is inaccurate.”

[0030] It has been confirmed that the calorie consumption labels on commercially available stationary indoor exercise bikes (stationary indoor bicycles) are inaccurate. The Korea Consumer Agency released the results of testing and evaluating the accuracy of calorie consumption labels on 11 exercise bikes from eight popular brands.

[0031] All products evaluated report calorie consumption based on total pedal rotations, regardless of exercise intensity, time, or speed. In other words, if the pedaling frequency is the same, the same calories are reported burned. For example, pedaling 100 times at a fast pace will report the same calorie burn as pedaling 100 times at a slow pace.

[0032] However, the Korea Consumer Agency's testing and evaluation results fail to accurately capture or explain the reality. A more fundamental problem lies not only in the inaccuracy of calorie consumption displays on current standard indoor bike dashboards, but also in the failure to account for crank resistance, such as speed.

[0033] At the same resistance level, unless the difference in pedaling speed is significantly large, there is no significant difference in calories burned when pedaling at a fast pace versus pedaling at a slow pace for the same number of pedal strokes. This is why calorie burn should be calculated based on the force exerted during exercise.

[0034] Contrary to popular belief, there are cases where the same number of repetitions at a slow speed actually burns more calories due to differences in energy sources used in certain speed ranges. A more fundamental problem with the dashboard of a typical indoor bike, which displays the same calories burned regardless of pedaling speed as long as the number of pedaling revolutions is that “regardless of the resistance level, if the pedaling speed is the same, the same speed is displayed, and regardless of the resistance level, if the number of pedaling cycles is the same, the same speed and the same calorie consumption (the dashboard does not display these two, but the term “power” encompasses both) are displayed.”

[0035] The technology for linking virtual reality and indoor exercise equipment, as mentioned above, is disclosed in Korean Patent Registration No. 10-2161646.

[0036] The purpose of this embodiment is to provide a dashboard system for an indoor bicycle that reflects the resistance by measuring resistance through a strain gauge of a power meter and measuring pedaling speed through a cadence sensor to obtain a power value, thereby measuring and displaying various exercise indices, including the power used during pedaling and the speed calculated based on the power, similarly to actual road riding, by reflecting the crank resistance in an indoor bicycle.

[0037] According to one aspect of the present embodiment, a dashboard system for an indoor bicycle is provided, characterized by including: a power value measuring unit that measures the power value used by a rider according to pedaling speed at all resistance stages or all resistance levels for each indoor bicycle model or product, stores the power value on a dashboard, and outputs it; a resistance level / speed-specific power value recognition unit that recognizes the power value by resistance level / pedaling speed at the resistance level corresponding to the rider's pedaling; and an exercise index display unit that calculates an exercise index close to actual road driving based on the power value by resistance level / pedaling speed, and displays the exercise index on the dashboard.

[0038] As described above, according to this embodiment, by utilizing a power meter as a measuring device during production rather than as an individual bicycle part in an indoor bicycle, the amount of force used can be measured by reflecting resistance during pedaling, and various exercise indicators including speed can be measured and displayed based on the force in a manner similar to that during actual road riding.

[0039] Treadmills and stationary bikes are representative indoor aerobic exercise machines. Like most other aerobic exercises, the primary goal is to burn calories and reduce body fat, ultimately leading to weight loss. However, while weight loss directly following exercise is partly due to fat loss through calorie burn, it's largely due to water loss, which quickly returns to normal once water is replenished. Therefore, a scale cannot accurately measure calorie burn or weight loss resulting from exercise that day. The primary concern of most stationary bike users is the actual weight loss resulting from fat burning. This can be measured based on power and displayed on the dashboard, allowing riders to intuitively assess the actual effects of exercise. This can improve the low exercise continuity, a major issue with indoor cycling.

[0040] FIG. 1 and FIG. 2 are drawings showing the external structure of an indoor bicycle including an indoor bicycle instrument panel system according to the present embodiment.

[0041] FIGS. 3 and 4 are drawings showing the internal structure of an indoor bicycle including an indoor bicycle instrument panel system according to the present embodiment.

[0042] FIG. 5 is a drawing showing an indoor bicycle instrument panel system according to the present embodiment.

[0043] Hereinafter, the present embodiment will be described in detail with reference to the attached drawings.

[0044] FIG. 1 and FIG. 2 are drawings showing the external structure of an indoor bicycle including an indoor bicycle instrument panel system according to the present embodiment.

[0045] In cycling, speed is a useful indicator for setting riding (pedaling) exercise goals, measuring exercise performance, and measuring exercise performance. Most cyclists combine different resistance levels and cadences to determine their maximum sustained speed (maximum average speed) at each resistance level. Most cyclists memorize their maximum average speed for more effective exercise. Cadence, here, refers to the number of pedal strokes (crank rotations) per minute.

[0046] Typically, riders pedal based on their highest average speed for each exercise segment. However, this can vary depending on the conditions of the day and is not always successfully achieved. While riders may find the optimal resistance level for maximum speed during each workout, there are instances where they cannot maintain their target speed based on their usual maximum average speed at any resistance level, including the optimal resistance level. Because the maximum sustainable average speed varies depending on the conditions of each workout, speed has certain limitations as a target or reference exercise indicator.

[0047] Cadence is the number of pedal strokes (crank rotations) per minute, and is a useful indicator for minimizing muscle fatigue while performing the same amount of exercise during long-distance riding.

[0048] Cadence is a more useful metric than speed for setting long-term goals and measuring performance for improving athletic performance. Many cycling experts strongly recommend using cadence, rather than speed, as a target or reference metric for improving pedaling ability.

[0049] Therefore, it's recommended to start with pedaling at a relatively low resistance and a high cadence, and then move to pedaling at a higher resistance at the same cadence as your fitness improves. Pedaling at a high cadence on an indoor bike is an effective training method for maximizing exercise effectiveness and improving pedaling ability. It's also been shown to improve pedaling during actual riding and reduce the risk of injury (musculoskeletal injuries, such as knee injuries, resulting from excessive pedaling, not injuries from falls).

[0050] Riders can maintain their target cadence by adjusting the resistance. This allows them to pedal at a resistance level that maximizes exercise effectiveness while minimizing muscle fatigue, depending on their physical condition, during each workout.

[0051] When cycling indoors on a road bike using rollers, distance and speed can be directly calculated by multiplying the wheel circumference by the number of rotations, just like with a regular road bike. For other high-end indoor bikes, speed is calculated indirectly using a power meter to measure power and then convert that power into speed.

[0052] Speed ​​according to this embodiment is an indirect measurement method that converts power measured using a power meter (220), a bicycle accessory, into speed. Power according to this embodiment is not directly measured by installing a conventional power meter on an individual bicycle. Power according to this embodiment is measured using a power meter as a measuring instrument when manufacturing standard products and individual products for each model, and the power value is stored and displayed on the instrument panel.

[0053] Cadence is measured directly by a cadence sensor, not converted from power. Unlike conventional metering systems, which convert cadence to speed using illogical conversion formulas, cadence, along with torque, serves as the basis for calculating power using a proven kinematic algorithm.

[0054] Conventional indoor bike odometers simply calculate and display speed proportionally to the rotational speed of the crank or flywheel, regardless of the resistance level, so depending on the bike model or rider, the readings only approximate those for outdoor cycling at a single, specific resistance level.

[0055] Speed ​​is proportional only to the number of revolutions of the crank or flywheel, regardless of the level of resistance.

[0056] Depending on the rider's athletic ability, for relatively advanced riders, the speed will be closer to reality at a certain relatively low resistance level (since a relatively high speed will be displayed for the same power).

[0057] Depending on the rider's athletic ability, for lower level riders the numbers displayed at a certain resistance level that is relatively strong (since a relatively low speed is displayed for the same power) will be closer to the actual speed.

[0058] Typically, advanced riders pedal at a relatively high resistance level, while less experienced riders pedal at a relatively low resistance level. This further creates a discrepancy between the actual readings on conventional indoor bike speedometers and the actual readings.

[0059] Unlike a typical indoor bicycle instrument panel that displays the same speed at the same cadence regardless of the resistance level, the indoor bicycle instrument panel system (110) according to the present embodiment generates and displays a combination of multiple resistance levels and cadences even at the same speed, as in an outdoor bicycle.

[0060] Even in real outdoor riding, the same speed can only be achieved at different gear ratios under different cadences.

[0061] Outdoor bicycles equipped with gears must measure the number of rotations per hour (RPH) of the wheel to measure speed, so sensors are placed near the wheel, typically on the spokes. To measure cadence (the number of crank rotations), which varies depending on the gear ratio, sensors are placed separately near the crank, typically on the crank arm or pedal. In other words, measuring both speed and cadence requires separate sensors, which inevitably incurs additional costs (including batteries).

[0062] Therefore, with the exception of high-priced speedometers, mid- to low-priced models typically only measure and display speed and do not separately measure cadence. However, on indoor bikes, the ratio of crank rotation speed (cadence) to wheel rotation speed (RPM) remains constant, regardless of torque fluctuations due to resistance changes, so there's no need to measure them separately.

[0063] In other words, the speed displayed on a typical indoor bicycle instrument panel system (110) is actually a value based on crank rotation speed, but is instead a value that applies a specific weighting for each model to cadence (crank rotation speed). Therefore, the value is a value that is accurately converted back to cadence at a certain rate unique to each indoor bicycle model.

[0064] If the dashboard of a typical popular indoor bike needs to display either speed or cadence, it is more consistent and therefore more useful to the rider to directly display the actual cadence rather than the speed, which is a figure converted to cadence using an ambiguous standard without a unified standard for each manufacturer and model, and which does not take crank resistance into account.

[0065] The average speed a rider can achieve while riding is a result of each rider's exercise performance. Cadence, on the other hand, is a more useful indicator for riders to control and reference for pedaling efficiency. This is why most experts recommend maintaining a consistent cadence (typically around 90 rpm) while pedaling.

[0066] Accordingly, the indoor bicycle instrument panel system (110) according to the present embodiment recognizes the resistance value (torque) measured and stored by the strain gauge of the power meter during production through recognition of the movement amount or position of the resistance adjustment device lever, and measures and displays the power value obtained by multiplying this by the cadence (crank or wheel rotation speed) measured by the cadence sensor.

[0067] The indoor bicycle instrument panel system (110) calculates and displays the power values ​​measured in this manner using a certain algorithm, and the speed and other figures are close to those when riding an outdoor bicycle on a flat, windless surface with the same power.

[0068] An indoor bicycle (100) according to the present embodiment includes an indoor bicycle instrument panel system (110), a handle (122), a handlebar (124), a wheel (130), a length adjustment member (144), a connecting tube (142), a saddle (152), a height adjustment member (154), a saddle stand (156), a pedal axle (162), and pedals (164). The components included in the indoor bicycle (100) are not necessarily limited thereto.

[0069] The indoor bicycle instrument panel system (110) according to this embodiment does not simply display the performance based on the crank or wheel rotation speed, but also displays the performance by taking crank resistance into account.

[0070] The indoor bicycle instrument panel system (110) reflects the resistance of the crank (222) and measures and displays various exercise indicators, including the force used during pedaling and the speed based on the force, similar to actual road driving.

[0071] The indoor bicycle instrument panel system (110) according to this embodiment displays exercise performance not only based on the crank rotation speed, but also by taking crank resistance into consideration.

[0072] It is preferable that the indoor bicycle instrument panel system (110) be installed across the handle (122) and the handlebar (124), but it is not necessarily limited thereto.

[0073] The handle (122) has a straight bar that is bent toward the rider and forms a handle on both sides. The handle bar (124) is connected to the handle (122) and has a shape that connects to the wheel (130). The wheel (130) is connected to the pedal (164) via the crank shaft (224) and the crank (222).

[0074] The length adjustment member (144) adjusts the length of the connecting pipe (142) connecting the handlebar (124) and the saddle support (156). The connecting pipe (142) connects the handlebar (124) and the saddle support (156) in a bar shape. The saddle (152) has a chair shape on which a rider can sit and is installed on the upper side of the saddle support (156).

[0075] The height adjustment member (154) adjusts the height of the saddle support (156) connected to the saddle (152). The saddle support (156) is connected to the saddle (152) and has a form that extends to the floor and is fixed. The pedal shaft (162) is connected to the pedal (164) and transmits the force of stepping on the pedal (164) to the first gear (212).

[0076] The indoor bicycle instrument panel system according to this embodiment indirectly generates resistance using magnetism,

[0077] When applied to a new indoor bicycle model with a step-wise, discontinuous resistance control device, the resistance steps are divided and set to have a power (or torque) interval of a certain rule according to the characteristics of the bicycle model at a specific cadence.

[0078] In the case where the resistance control device is a model of continuous fine adjustment, virtual resistance points that serve as reference points are arbitrarily set to have a power interval of a certain rule to facilitate standardization and calibration when producing prototypes for each model and producing individual products within the model, thereby dividing the resistance section.

[0079] The indoor bicycle instrument panel system (110) sets a reference cadence for the reference resistance stage division.

[0080] The indoor bicycle instrument panel system (110) sets the reference cadence for dividing the resistance stage to a meaningful cadence range of 50 to 130 rpm during actual riding. The indoor bicycle instrument panel system (110) can be set to the cadence range of 50 to 130 rpm, or to a single cadence of approximately 90 rpm, which is recommended by experts.

[0081] The indoor bicycle instrument panel system (110) can set the reference cadence for dividing the resistance stage to 50 rpm or less in order to encompass the section with the highest resistance after the rolling inertia first takes effect. The indoor bicycle instrument panel system (110) can divide the resistance section based on a high cadence in the low resistance stage and a low cadence in the high resistance stage to increase the continuity and realism of the speed change.

[0082] The indoor bicycle instrument panel system (110) can provide a rider experience similar to gear changing during outdoor riding by setting the resistance interval between each resistance step by selecting one of the common models of existing outdoor bicycles, in the case of a new bicycle model with step-by-step, discontinuous resistance adjustment.

[0083] When the indoor bicycle instrument panel system (110) is applied to a general indoor bicycle model in which resistance control is in a step-wise, discontinuous manner, the power for each cadence step set in advance is measured using a power meter (220) and displayed on the instrument panel.

[0084] The indoor bicycle instrument panel system (110) sets a reference point for easily performing reliability testing and calibration for standardization between individual products within a model and for manufacturing prototypes for each model when the resistance control method is a continuous, fine-tuning method.

[0085] The indoor bicycle instrument panel system (110) sets virtual resistance steps to have a power interval of a certain rule in a meaningful resistance section that people actually use according to the characteristics of the indoor bicycle model at a specific cadence in order to set a reference point.

[0086] The indoor bicycle instrument panel system (110) is not a linear function in which the torque is directly proportional to the movement amount of the resistance adjustment lever due to the physical characteristics of the resistance adjustment device in order to select a specific cadence as a reference when setting the resistance level, but rather a nonlinear function in which the torque increases more significantly as the movement amount increases in the direction in which the resistance increases. Therefore, when dividing the resistance level, it is preferable to have a constant interval based on the torque value (or power value) rather than the movement amount or position of the resistance lever, that is, to divide the intervals between the resistance levels of the lever more closely as the resistance increases.

[0087] The indoor bicycle instrument panel system (110) divides significant cadence intervals into cadence intervals with consistent rules, and then sets these intervals as reference points for easy calibration when manufacturing prototypes and individual products for each model. The indoor bicycle instrument panel system (110) sets virtual cadence intervals to be used for setting reference points.

[0088] The indoor bicycle instrument panel system (110) significantly reduces the production process and time required compared to testing and inputting units of error at every significant cadence.

[0089] Indoor bicycles not only have different resistance generation methods depending on the model, but also have different rotational inertia (acceleration torque and coasting torque) depending on the drive method, weight of the flywheel, and size (diameter).

[0090] Because indoor bicycles vary in resistance generation and rotational inertia across models, the torque required to complete one crank rotation varies across models at all resistance levels and cadence levels. Within the same model, there may be specific sections where the power value change (function) with cadence changes differs from the previous section at the same resistance level.

[0091] The indoor bicycle instrument panel system (110) sets the entire same cadence section as one section when there is no singular section in the function in a significant cadence section among indoor bicycle models.

[0092] The indoor bicycle instrument panel system (110) can be divided into one or more virtual sections having a certain rule when there is no singularity in the function in a meaningful cadence section among indoor bicycle models.

[0093] The indoor bicycle instrument panel system (110) sets the singular points as a reference or divides a virtual cadence section including the singular point sections when there is one or more singular points in the function between torque and cadence.

[0094] The indoor bicycle dashboard system (110) measures the power value for each cadence step of each resistance step using a power meter and stores it on the dashboard in the case of an existing bicycle model with a step-by-step, discontinuous resistance adjustment method.

[0095] The indoor bicycle instrument panel system (110) calculates and stores the power value corresponding to the cadence of all real numbers for each resistance level, or stores it as a function between the torque value and the cadence for the power value, and then recognizes and measures the power value by multiplying the torque for each resistance level recognized during riding and the cadence measured by the cadence sense.

[0096] The indoor bicycle instrument panel system (110) sets the movement amount or position of the resistance control lever according to the power of each resistance stage that is already or virtually partitioned in the prototype when manufacturing individual products within the model.

[0097] The indoor bicycle dashboard system (110) inputs actual measurements for each resistance level and cadence that are already in production with a step-by-step, discontinuous resistance control method. The indoor bicycle dashboard system (110) divides the resistance levels so that all individual products in a new model with a step-by-step, discontinuous resistance control method generate the same power as the standard product at the same resistance level and cadence for standardization. The indoor bicycle dashboard system (110) ensures the reliability of each product by calibrating the power value for each resistance level and cadence during the production of each product. At this time, the production process can be significantly simplified compared to performing the calibration at all resistance levels and cadences by performing the calibration at a preset resistance level or an arbitrarily divided virtual resistance level and cadence to be used as a reference point for the production of standard products and individual products for each model.

[0098] The indoor bicycle instrument panel system (110) recognizes the resistance level based on the movement or position of the resistance adjustment lever set during riding. The indoor bicycle instrument panel system (110) finds a power value corresponding to the current resistance level and cadence during riding among the built-in power values, or calculates the current cadence by inputting the power value into the built-in calculation formula.

[0099] The indoor bicycle instrument panel system (110) recognizes the resistance level as the relative position within the section to which the resistance point set during riding belongs in a model with a continuous, fine-tuning resistance control device, and finds the power by cadence at the corresponding resistance level among the built-in power values, or calculates the power value by inputting the cadence during riding into the built-in calculation formula.

[0100] The indoor bicycle instrument panel system (110) uses a step-by-step, discontinuous resistance control method, and inputs actual values ​​for each set resistance step and cadence for models currently in production.

[0101] The indoor bicycle instrument panel system (110) corrects the power value measured during riding by applying a torque value (or power value) that decreases at a specific resistance level according to the total power used when generating resistance using a pad made of a specific material. To this end, the torque value that decreases according to the total accumulated power used is measured at each resistance level and stored on the instrument panel.

[0102] The indoor bicycle instrument panel system (110) applies a certain calculation formula in addition to the measured cadence and power to convert the speed achieved when riding an outdoor bicycle on a flat, windless surface using the same power as an outdoor bicycle.

[0103] The indoor bicycle instrument panel system (110) calculates speed using a power-to-speed conversion formula in addition to actual cadence and power. The indoor bicycle instrument panel system (110) can also calculate and display various indicators (e.g., distance traveled, calories burned, weight loss) based on power or speed using a specific conversion formula.

[0104] The dashboard system (110) for an indoor bicycle uses a power meter to measure the power value according to the change in cadence by using the movement position and movement amount of the control lever of the resistance adjustment device for each indoor bicycle model, and various sensors. The dashboard system (110) for an indoor bicycle uses a power meter to measure the power value based on the function between the cadence and the power value by using the movement position and movement amount of the control lever of the resistance adjustment device for each indoor bicycle model, and various sensors. The dashboard system (110) for an indoor bicycle displays the speed achieved when pedaling on a flat, windless surface with an outdoor bicycle using the same power value.

[0105] The indoor bicycle dashboard system (110) selects a standard outdoor bicycle from among outdoor bicycle models with many riders and uses it as a standard for speed conversion. When selecting a standard outdoor bicycle, the indoor bicycle dashboard system (110) separately displays the bicycle model, weight, etc. When selecting a standard outdoor bicycle, the indoor bicycle dashboard system (110) adds a calibration function according to changes in the main model (Road, MTB) or gravity (bicycle weight + rider weight), or separately displays a correction formula so that the rider can compare it with the case of riding an outdoor bicycle he or she owns, taking his or her own weight into account.

[0106] Power meters for bicycles are expensive devices that riders individually purchase and install on their bicycles to measure and display power. On the other hand, the indoor bicycle instrument panel system (110) according to the present embodiment utilizes a power meter as a measuring instrument for each model and product when the manufacturer produces an indoor bicycle instrument panel system to measure power at each cadence at all resistance stages or resistance points, or to extract a function between torque and cadence for power values ​​at each resistance stage.

[0107] The indoor bicycle instrument panel system (110) measures cadence using a cadence sensor. The indoor bicycle instrument panel system (110) reads the previously stored torque by recognizing the movement amount or movement position of the lever of the resistance adjustment device in a state where the strain gauge, a core component of the power meter, is not installed.

[0108] The indoor bicycle instrument panel system (110) corrects the power value measured during riding by applying a resistance value (or power value) that decreases at a specific resistance stage according to the total accumulated power value when generating resistance using a pad made of a specific material.

[0109] The indoor bicycle instrument panel system (110) calculates and displays power, speed, and other exercise indices corresponding to cadence at each resistance level using pre-stored power (or torque) information.

[0110] The indoor bicycle instrument panel system (110) uses a power meter (220) as a measuring instrument rather than as an accessory for an individual bicycle, and stores the power measurement results for an individual indoor bicycle product on the instrument panel.

[0111] The indoor bicycle instrument panel system (110) directly retrieves the corresponding power value stored in the instrument panel for each resistance level and cadence when pedaling or calculates it using a certain calculation formula.

[0112] The indoor bicycle instrument panel system (110) utilizes a power meter as a model-specific or product-specific measuring device, thereby eliminating the cost required to install a power meter on each bicycle to measure power during riding.

[0113] The indoor bicycle dashboard system (110) can add and adjust display indicators and units to a general dashboard. The indoor bicycle dashboard system (110) can increase the total distance unit, which is a total indicator, and additionally display total exercise time, total calories burned, and total weight loss.

[0114] The indoor bicycle dashboard system (110) outputs the estimated exercise amount and the dashboard digit unit for at least one year of the highest group based on exercise amount.

[0115] The dashboard system (110) for an indoor bicycle stores and displays the total driving distance, which is currently mostly less than 999 km, up to 9,999 km (corresponding to the total driving distance when an advanced rider exercises for an average of 1 hour per day for 1 year at an average speed of 27.4 km on the dashboard according to the present invention).

[0116] The dashboard system (110) for an indoor bicycle stores and displays the total exercise time of up to 999 hours (the total exercise time performed over 2.74 years when a rider pedals for an average of one hour per day).

[0117] The dashboard system (110) for an indoor bicycle stores and displays the total calories consumed up to 999,999 kcal (the total calories consumed over 5.3 years when exercising for one hour every day at an average speed of 27.4 km, displayed considering the digits on the dashboard). The dashboard system (110) for an indoor bicycle stores and displays the total weight loss up to 99.9 kg (e.g., the weight lost over 41 years when exercising for one hour every day at an average speed of 27.4 km).

[0118] The indoor bicycle dashboard system (110) additionally allows users to check the average daily exercise volume for specific periods, such as the average daily exercise volume for one week, one month, three months, six months, and one year. The indoor bicycle dashboard system (110) enhances the long-term sustainability of indoor bicycle exercise by increasing the intuitiveness of one's exercise performance and strengthening exercise motivation.

[0119] FIGS. 3 and 4 are drawings showing the internal structure of an indoor bicycle including an indoor bicycle instrument panel system according to the present embodiment.

[0120] The dashboard system (110) for an indoor bicycle measures the power value applied to the crank according to the pedaling speed at all resistance stages or resistance levels for each model and product and outputs the measured value to the dashboard.

[0121] The indoor bicycle instrument panel system (110) recognizes power values ​​according to pedaling speed at a given resistance level during exercise. The indoor bicycle instrument panel system (110) applies a preset conversion formula to the recognized power values ​​to calculate and display speed, distance traveled, calories burned, weight loss, etc. in a manner similar to actual road riding.

[0122] The indoor bicycle instrument panel system (110) measures the amount of force applied to the crank using a force sensor, typically a power meter. The indoor bicycle instrument panel system (110) uses the power meter as a measuring device for model-specific prototype production and standardization of individual products within a model, rather than for individual bicycle parts.

[0123] The indoor bicycle instrument panel system (110) recognizes the position or movement of the resistance control lever when the rider pedals, and recognizes the current resistance level and the torque value and power value for each cadence corresponding to the same resistance level stored in the instrument panel.

[0124] The indoor bicycle instrument panel system (110) measures and stores power or torque for each set resistance step and cadence in a model in which the resistance control device adjusts resistance stepwise and discontinuously, and then reads or calculates and displays the power value corresponding to the current resistance step and cadence when pedaling.

[0125] The indoor bicycle instrument panel system (110) divides a virtual resistance section with a certain regular interval when the resistance control device continuously and finely adjusts the resistance, and measures and stores the power or torque by cadence for each divided resistance point.

[0126] The indoor bicycle instrument panel system (110) recognizes the resistance point during pedaling as a relative position within the virtual resistance section to which the resistance point belongs, and reads or calculates and displays the corresponding power value.

[0127] The indoor bicycle instrument panel system (110) directly measures crank or wheel resistance during pedaling using a sensor. The indoor bicycle instrument panel system (110) calculates the same resistance by applying cadence and power conversion coefficients and displays the power value.

[0128] The indoor bicycle instrument panel system (110) divides the entire meaningful cadence section into one or more virtual sections to be used as a standard for manufacturing prototypes for each indoor bicycle model, standardizing individual products within a model, and calibrating when necessary.

[0129] The indoor bicycle dashboard system (110) uses a force sensor (strain gauge) and a cadence sensor of a power meter to measure power values ​​by resistance level / pedaling speed at all resistance stages or resistance levels for each model, standard product, and individual product, and stores and outputs the power values ​​on the dashboard.

[0130] The indoor bicycle instrument panel system (110) measures power per cadence for each set resistance step in a model in which the resistance control device adjusts resistance stepwise and discontinuously, and then stores this in all real numbers or as a calculation formula, and then reads or calculates and displays the power value corresponding to the current resistance step and cadence when pedaling.

[0131] The indoor bicycle instrument panel system (110) sets resistance points at regular intervals to divide the resistance section when the resistance control of the resistance control device is a continuous, fine-tuning method, and measures and stores power for each divided resistance point and cadence.

[0132] The indoor bicycle instrument panel system (110) corrects the power value measured during riding by applying a resistance value (or power value) that decreases at a specific resistance stage according to the total power value used when generating resistance using a pad made of a specific material.

[0133] The indoor bicycle instrument panel system (110) recognizes the power value according to the pedaling speed at the resistance level set when riding.

[0134] The indoor bicycle instrument panel system (110) reads or calculates the corresponding power value and displays it by recognizing the resistance level during pedaling as the position or movement amount of the resistance adjustment device lever or the relative position within the resistance section to which the corresponding resistance point belongs.

[0135] The indoor bicycle instrument panel system (110) applies a certain conversion formula to the calculated power value to calculate and display speed, driving distance, calories consumed, weight loss, etc. in a manner similar to that of actual road driving.

[0136] The indoor bicycle instrument panel system (110) calculates and displays the speed achieved when pedaling an outdoor bicycle on a flat, windless surface using the same power as the measured power.

[0137] The indoor bicycle instrument panel system (110) displays the model, weight, etc. of the outdoor bicycle selected as a standard.

[0138] The indoor bicycle instrument panel system (110) adds a calibration function according to the model of the outdoor bicycle owned by the rider, or changes in the bicycle weight and the rider's weight, or displays a conversion formula separately so that the rider can compare his or her own weight with that of riding an outdoor bicycle owned by the rider.

[0139] The dashboard system (110) for an indoor bicycle not only increases the total distance unit to 4 digits on the dashboard, but also stores and displays total indicators such as total exercise time, total calorie consumption, and total weight loss.

[0140] An indoor bicycle (100) according to the present embodiment includes a first gear (212), a first chain (214), a second gear (232), a second chain (234), a crank (222), and a crank shaft (224). The components included in the indoor bicycle (100) are not necessarily limited thereto.

[0141] The first gear (212) is connected to the pedal shaft (162) and transmits the power of the rider pressing the pedal (164) to the crank shaft (224) via the first chain (214). One side of the first chain (214) is meshed with the first gear (212), and the other side is meshed with the crank (222).

[0142] The second gear (232) is connected to the support shaft (242) on one side and rotates in accordance with the rotation of the crank (222) by engaging with the second chain (234). The second chain (234) is engaged with the second gear (232) on one side and with the crank (222) on the other side.

[0143] Power meters, originally developed as bicycle accessories, were used to measure exercise intensity and performance to improve athletes' performance. However, as demand has expanded, they are now being used not only by some enthusiasts on outdoor bikes but also on indoor bikes equipped with smart rollers. Power meters are installed on smart bikes (ultra-expensive indoor bikes) and, in conjunction with technologically advanced cycling computers, surpassing the simple speedometers of traditional bicycles, create an indoor cycling platform.

[0144] Power meters are typically expensive bicycle accessories that measure power and are often paired with another, more expensive instrument, a cycling computer, to display the measured values. In addition to the typical performance metrics displayed by mid- to low-priced speedometers, power meters often extract numerous specialized kinematic metrics from power readings.

[0145] A power meter (220) is a measuring device that directly measures the power generated when pedaling a bicycle. The power meter (220) uses a strain gauge and a cadence sensor to measure the pressure and rotational speed (angular velocity) applied to the crank, pedal, rear wheel, hub, etc. when pedaling, thereby calculating the rider's pedaling power.

[0146] The strain gauge of the power meter (220) is mainly installed on the crank (222) (crank arm, crank spider or crank spindle), but is also installed on the pedal (164), rear hub, tube valve, etc. to measure the torque value in real time.

[0147] Power meters calculate the power output of a rider while pedaling by multiplying torque by cadence. The power meter then applies a preset algorithm to that power output, converting it into speed.

[0148] At one time, power was measured using speed, wind speed, heart rate, etc., but due to the lack of accuracy, it is now rarely used with the advancement of strain gauge technology.

[0149] With the advancement of current technology, expensive indoor bicycle dashboards mounted on smart trainers and smart bikes are making groundbreaking progress in terms of performance and usability, to the point where they are now called cycling computers or bike computers rather than speedometers.

[0150] Cycling computers work with cycling apps to measure speed and power based on wheel rotation or current output from a smart trainer. Cycling computers display a relatively realistic speed by incorporating speed, power, rider weight, simulated wind direction, simulated gradient, and riding order (to account for air resistance in simulated group rides).

[0151] Cycling computers display power, speed, calories burned, and other useful data for exercise performance, using a set of conversion formulas to provide a realistic representation of power. However, their high price, often several times that of entry-level indoor bikes, makes them inapplicable to the majority of entry-level models currently on the market.

[0152] In a typical indoor bicycle where the crank and flywheel have the same rotational ratio regardless of the size of the torque, the power value measured by the power meter (220) is currently the value that can most closely calculate other exercise indices, including speed, from the actual value.

[0153] A crank (222) is a component that has one end directly connected to the front gear and the other end attached to the pedal to act as a lever. The crank (222) includes multiple gears, and connects a first chain (214) to one gear and a second chain (234) to the remaining gears to perform rotational motion. A crank shaft (224) is connected to the crank (222) to rotate the wheel (130).

[0154] FIG. 5 is a drawing showing an indoor bicycle instrument panel system according to the present embodiment.

[0155] The indoor bicycle instrument panel system (110) according to the present embodiment includes a cadence section division unit (308), a power value measurement unit (310), a power value recognition unit (320) for each resistance level / speed, an exercise index display unit (330), and an outdoor bicycle comparison unit (340). The components included in the indoor bicycle instrument panel system (110) are not necessarily limited thereto.

[0156] Each component included in the indoor bicycle dashboard system (110) is connected to a communication path connecting software modules or hardware modules within the device and can operate organically with each other. These components communicate using one or more communication buses or signal lines.

[0157] Each component of the indoor bicycle dashboard system (110) illustrated in FIG. 5 means a unit that processes at least one function or operation, and can be implemented as a software module, a hardware module, or a combination of software and hardware.

[0158] In the case where there is no singular section (singular point) that cannot be expressed as a single function in the entire cadence section for each indoor bicycle model, the cadence section section (308) selects a section with a certain rule and sets it as a virtual cadence section, which is then used as a reliability test and calibration reference point when manufacturing a prototype or individual product for each model.

[0159] The cadence section partition (308) sets the section (singularity) in which the singular section (singularity) exists as the cadence section partition standard when there is one or more singular sections (singular points) in the function in the entire cadence section.

[0160] The power value measuring unit (310) measures the power value according to the pedaling speed at all resistance stages or all resistance levels for each model and product using the power meter (220) and outputs the measured power value to the instrument panel. The power value measuring unit (310) measures the amount of force applied to the crank (222) using the power meter (220) and converts it into a power value.

[0161] The power value measuring unit (310) directly measures the crank or wheel resistance using a sensor when pedaling. The power value measuring unit (310) calculates the same resistance by applying cadence (number of pedalings per minute, crank rotation) and a power conversion coefficient, and displays the power value.

[0162] The power value measuring unit (310) measures power values ​​by cadence at all resistance steps or resistance points using a power meter for each model or product, or extracts a function between cadence and torque for the power values ​​by resistance step. The power value measuring unit (310) measures cadence using a separately installed cadence sensor.

[0163] The power value measuring unit (310) measures torque based on the amount of movement and the movement position of the resistance adjustment device lever in a state where a strain gauge is not installed. The power value measuring unit (310) measures magnetic force and pressure using a separately installed sensor, converts them into power values, and displays them on the instrument panel. The power value measuring unit (310) uses previously stored information to calculate and display corresponding power values, speed, and other exercise indices using sensors separately installed for each resistance step and cadence.

[0164] The power value recognition unit (320) by resistance level / speed recognizes the power value by resistance level / pedaling speed at the resistance level set by the rider.

[0165] The power value recognition unit (320) by resistance level / speed calculates the current resistance level based on the position or movement amount of the resistance adjustment device lever when the rider pedals.

[0166] The power value recognition unit (320) by resistance level / speed recognizes the power value by cadence at the corresponding resistance level.

[0167] The power value recognition unit (320) for each resistance level and pedaling speed corrects the power value measured during riding by applying a resistance reduction value that decreases according to the total power value used when generating resistance using pads.

[0168] When generating resistance using pads made of a specific material, the power value measured during riding is corrected by applying a torque (or power value) that decreases by resistance step according to the total accumulated power value used.

[0169] The exercise index display unit (330) calculates exercise indexes including speed, distance traveled, calories consumed, and weight loss based on power values ​​by resistance stage or resistance level / pedaling speed in a manner similar to actual road driving and displays them on the instrument panel.

[0170] The exercise index display unit (330) extracts the cadence (the resistance point set when pedaling per minute) for each set resistance step when the resistance control method of the resistance control device is a method of controlling resistance stepwise or discontinuously. The exercise index display unit (330) recognizes the current resistance point as a relative position within the resistance section to which the resistance point belongs, thereby reading or calculating the power value corresponding to the current resistance step (level) and cadence and displaying it on the instrument panel.

[0171] The exercise indicator display section (330) divides the entire cadence section into one or more virtual sections to be used as a standard for producing prototypes for each indoor bicycle model, measuring errors for standardization between individual products within the model, and for calibration when necessary.

[0172] The exercise indicator display unit (330) not only increases the total driving distance unit on the instrument panel to a preset number of digits (e.g., 4 digits), but also additionally stores and displays total indicators such as total exercise time, total calorie consumption, and total weight loss.

[0173] The exercise index display unit (330) calculates and displays the speed implemented when pedaling on a windless flat surface with a specific outdoor bicycle using a power value that is the same as the measured or calculated power value. The exercise index display unit (330) displays the model and weight of the specific outdoor bicycle. The exercise index display unit (330) includes a calibration function according to the main model, the bicycle weight, and the rider's weight, or separately displays a correction formula so that the rider can compare it with the case of riding with the outdoor bicycle he or she owns.

[0174] The exercise index display unit (330) outputs and displays the total distance traveled and total exercise time by expanding them to four or more digits when considering the estimated exercise amount and the dashboard digit unit of the highest exercise amount group for at least one year. The exercise index display unit (330) displays the total calories consumed by expanding them to six or more digits. The exercise index display unit (330) displays the total weight loss amount by expanding them to three or more digits. The exercise index display unit (330) displays the average daily exercise amount by specific period.

[0175] The exercise indicator display unit (330) converts and displays the speed, distance traveled, and calorie consumption using the current resistance level and pedaling speed power when riding, similar to when riding outdoors, and displays the standard outdoor bicycle model, weight, and virtual rider weight so that the user can refer to them or calibrate them.

[0176] The outdoor bicycle comparison unit (340) selects a reference model (a model with many riders) among multiple outdoor bicycle models, and separately displays the reference model's main model (Road, MTB), bicycle weight, bicycle weight, and virtual rider weight on the instrument panel.

[0177] The outdoor bicycle comparison section (340) adds a calibration function based on the difference between the reference model and the main model (Road, MTB) of the outdoor bicycle owned by the rider, the bicycle weight, and the rider's own weight, or displays a correction formula separately.

[0178] The above description is merely an example of the technical idea of ​​the present embodiment, and those skilled in the art will appreciate that various modifications and variations can be made without departing from the essential characteristics of the present embodiment. Therefore, the present embodiments are not intended to limit the technical idea of ​​the present embodiment, but rather to explain it, and the scope of the technical idea of ​​the present embodiment is not limited by these embodiments. The scope of protection of the present embodiment should be interpreted by the claims below, and all technical ideas within a scope equivalent thereto should be interpreted as being included in the scope of rights of the present embodiment.

Claims

1. (a) A power value measuring unit that measures the power value used by the rider according to the pedaling speed at all resistance stages or all resistance levels for each indoor bicycle model and product, stores it on the instrument panel, and outputs it; (b) a resistance level / speed-specific power value recognition unit that recognizes the power value by resistance level / pedaling speed at the resistance level corresponding to the rider's pedaling; (c) An indoor bicycle instrument panel system characterized by including an exercise index display unit that calculates an exercise index based on the power value for each resistance level / pedaling speed in a manner similar to actual road driving and displays the calculated exercise index on the instrument panel.

2. In paragraph 1, The above power value measuring unit An indoor bicycle instrument panel system characterized in that it uses a power meter as a measuring instrument to recognize the resistance value (torque) and pedaling speed applied to the crank for each model and product, and measures the power value for each resistance level / pedaling speed.

3. In paragraph 1, The power value recognition unit for each resistance level / speed is as follows: An indoor bicycle instrument panel system characterized in that the system calculates the current resistance level based on the position or movement amount of the resistance adjustment lever when the rider pedals, extracts a resistance level identical to the current resistance level stored within the system, and recognizes a power value generated by a cadence corresponding to the identical resistance level.

4. In paragraph 3, The power value recognition unit for each resistance level and pedaling speed is An indoor bicycle instrument panel system characterized in that, in the case of a method of generating resistance using pads, the measured power value during riding is corrected by applying a resistance reduction value that decreases according to the total power used.

5. In paragraph 1, The above exercise indicator display section, An indoor bicycle instrument panel system characterized in that, when the resistance control device is a method of adjusting resistance in a stepwise and discontinuous manner, the power value for each cadence is measured and stored for each set resistance step, and then the power value corresponding to the current resistance step and cadence is read or calculated and displayed on the instrument panel when pedaling.

6. In paragraph 1, The above exercise indicator display section, If the above resistance control device is a continuous, fine-tuning type, it divides a virtual resistance section with a certain interval, and measures and stores the power value for each cadence for each divided resistance section. An indoor bicycle instrument panel system characterized in that the resistance point is extracted when riding, and the power value corresponding to the current resistance level and cadence is calculated and displayed on the instrument panel by recognizing the relative position within the virtual resistance section.

7. In paragraph 1, The above exercise indicator display section, An indoor bicycle instrument panel system characterized by displaying the model, weight, and virtual rider weight of an outdoor bicycle as a reference when converting and displaying speed, distance traveled, and calorie consumption similar to when riding outdoors using the power according to the current resistance level and pedaling speed while riding.

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