CN105498151A - Counterweight load system on fitness equipment - Google Patents
Counterweight load system on fitness equipment Download PDFInfo
- Publication number
- CN105498151A CN105498151A CN201510957361.XA CN201510957361A CN105498151A CN 105498151 A CN105498151 A CN 105498151A CN 201510957361 A CN201510957361 A CN 201510957361A CN 105498151 A CN105498151 A CN 105498151A
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- China
- Prior art keywords
- motor
- pulling force
- load system
- building apparatus
- counterweight load
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Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/005—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using electromagnetic or electric force-resisters
- A63B21/0051—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using electromagnetic or electric force-resisters using eddy currents induced in moved elements, e.g. by permanent magnets
- A63B21/0052—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using electromagnetic or electric force-resisters using eddy currents induced in moved elements, e.g. by permanent magnets induced by electromagnets
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B24/00—Electric or electronic controls for exercising apparatus of preceding groups; Controlling or monitoring of exercises, sportive games, training or athletic performances
- A63B24/0087—Electric or electronic controls for exercising apparatus of groups A63B21/00 - A63B23/00, e.g. controlling load
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
The invention discloses a counterweight load system on fitness equipment. The counterweight load system comprises a fitness device support, a tensile force cable, a motor, a motor driving module and a motor control unit. The motor is installed on the fitness device support and can rotate, the tensile force cable is wound around the motor, one end of the tensile force cable is connected with a rotor of the motor, and the other end of the tensile force cable is connected with a force driving mechanism on the fitness equipment. The force driving mechanism is used for driving the motor to rotate through the tensile force cable so as to generate tensile force, and the motor control unit controls the motor to rotate in the reverse direction through the motor driving module and makes the motor generate loading capacity opposite to the tensile force. The counterweight load system on the fitness equipment is simple in structure and light, and the stepless regulation of the counterweight is performed.
Description
Technical field
The present invention relates to body-building apparatus technical field, the counterweight load system particularly on a kind of body-building apparatus.
Background technology
Fitness equipment popular at present generally all adopts iron block as counterweight load, and major defect has two, is first that the frame of fitness equipment own is huge, overall weight is large, takes up room many, is inconvenient to carry, install, except the places such as gymnasium use, be difficult to enter common family user market; Secondly, balancing weight limited amount system, different according to user, regulate different counterweights to rely on the quantity that balancing weight is manually set to realize, stepless counterweight cannot be accomplished.For this reason, user wishes the mode of loading transforming fitness equipment, replaces existing iron block counterweight with electromagnetic load, to eliminate above-mentioned defect, meanwhile, by installing the man machine operation interface controlling electromagnetic load additional, highlight the quality of fitness equipment of new generation, improve the class of fitness equipment.
Summary of the invention
(1) technical problem that will solve
The problem to be solved in the present invention to solve counterweight load system complex structure in conventional art, volume heavy and that balancing weight weight is single problem greatly.
(2) technical scheme
For solving the problem, the invention provides the counterweight load system on a kind of body-building apparatus, comprising body-building instrument support, pulling force rope, motor, motor drive module and motor control unit;
Described motor is arranged on body-building instrument support and rotatable, and described pulling force rope is wrapped on motor, and its one end is connected with the rotor of motor, and the other end is connected with the strength driving mechanism on body-building apparatus; Described strength driving mechanism is used for being rotated by pulling force rope drive motor thus producing pulling force, and described motor control unit controls motor by motor drive module and rotates and make it produce the load force relative with pulling force in the other direction.
In counterweight load system on above-mentioned body-building apparatus, the structure of described motor is permanent-magnet brushless DC electric machine.
In counterweight load system on above-mentioned body-building apparatus, also comprise tension pick-up, described tension pick-up is for detecting the current pulling force of strength driving mechanism.
In counterweight load system on above-mentioned body-building apparatus, described strength driving mechanism is handle ring or stayed mast, and human body rotates by handle ring or stayed mast to control pulling force rope drive motor thus produces pulling force.。
In counterweight load system on above-mentioned body-building apparatus, also comprise an operation display panel be connected with motor control unit.
In counterweight load system on above-mentioned body-building apparatus, also comprise pulley, described pulley to be arranged on body-building instrument support and to coordinate with the transmission of pulling force rope.
In counterweight load system on above-mentioned body-building apparatus, described tension pick-up can be arranged on pulley or between the motor shaft and body-building instrument support of motor.
(3) beneficial effect
Counterweight load system on body-building apparatus of the present invention instead of traditional iron block as counterweight by permanent-magnet brushless DC electric machine, not only structure is simple light and handy again, and the dynamics of counterweight is adjusted by electromagnetic principle, the steplessization regulation and control of counterweight can be realized, person taking exercise is taken exercise can be more effective, and native system can control the rotating speed of motor, compare in traditional technology and unclamp strength driving mechanism and can to drop suddenly the problem causing equipment to damage by balancing weight.
Accompanying drawing explanation
Fig. 1 is the floor map on body-building apparatus of the present invention;
Fig. 2 is the fundamental diagram of the counterweight load system on body-building apparatus of the present invention;
Fig. 3 is the Gravity changer figure of counterweight load system of the present invention;
1 be motor, 2 be pulley in figure, 4 be body-building instrument support, 5 be pulling force rope, 6 be strength driving mechanism, 7 for tension pick-up.
Detailed description of the invention
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples for illustration of the present invention, but are not used for limiting the scope of the invention.
As shown in figures 1 and 3, the counterweight load system on a kind of body-building apparatus, comprises operation display panel, body-building instrument support 4, pulling force rope 5, motor 1, motor drive module and motor control unit.The structure of this motor is permanent-magnet brushless DC electric machine.Described motor 1 is arranged on body-building instrument support 4 and rotatable, described pulling force rope 5 is wrapped on motor 1, its one end is connected with the rotor of motor 1, the other end is connected with the strength driving mechanism 6 on body-building apparatus, described strength driving mechanism 6 is handle ring or stayed mast specifically, human body rotates by handle ring or stayed mast to control pulling force rope 5 drive motor 1 thus produces pulling force, described motor control unit controls motor by motor drive module and rotates in the other direction and make it produce the load force (actual be the pulling force that be slightly less than strength driving mechanism 6 generation) relative with pulling force, thus the applying power of counterweight can be formed.
The present invention also comprises pulley 2, and described pulley 2 to be arranged on body-building instrument support 4 and to coordinate with pulling force rope 5 transmission.
The present invention also comprises tension pick-up 7, and described tension pick-up is for detecting the current pulling force of strength driving mechanism.Described tension pick-up 7 can be arranged on pulley 2 or between the motor shaft and body-building instrument support 4 of motor 1, certainly also can be installed to other places, specifically can set according to actual conditions.
As the fundamental diagram that Fig. 2 is the counterweight load system on body-building apparatus of the present invention, this figure includes instantaneous reactive torque scaling unit, current regulation unit, a motor calculation unit.Change of current position calculation unit, synchronous PWM generation unit, drive singal isolated location, voltage signal processing unit, three-phase voltage inverter circuit, processes temperature signal circuit, phase current sampling circuit and position sensing circuit.
First, on man machine operation interface, input needs the electromagnetic force size Fe of simulation, and be equivalent to the weight will selecting heavy burden iron block before traditional health device is taken exercise, the size of this power is almost stepless, by kilogram in units of select, and very limited unlike the weight combinations of iron block; " position detecting circuit " and the store-memory unit matching of " motor control unit ", can detect fitness equipment and whether be in original state, if not in initial original state, by controlling the rotation of motor, allows fitness equipment be in original position.
When body-building starts, when people pulls handle rod to move downward, by pulling force rope and pulley, power is delivered to " tension pick-up ", and continue to be delivered to the motor outer rotor that motor is wound with pulling force rope, " tension pick-up " can detect current tensile force f c, " motor control unit " is according to the size of tensile force f e-Fc difference, the electric current of motor is regulated by " instantaneous reactive torque unit " and " current regulation unit ", when the control electric current of Fe-Fc>0 then expanded motor, otherwise, reduce the electric current of motor; Regulate algorithm can be typical pid algorithm, also can adopt fuzzy control or other algorithms.No matter adopt which kind of algorithm, all adopt PWM (pulse width modulation) mode to control motor, the dutycycle namely changing motor coil conducting decides current of electric;
The electric current controlling motor is relevant with multiple factor, and our Electric Machine Control mainly considers following factors:
Setting target tensile force f e: when not considering the mechanical efficiency such as pulling force rope and pulley, Fe essentially dictates the level of torque needed for motor, and the level of torque of motor with flow through the current related of motor winding; It is how many for namely can calculating required electric current according to Fe; Direct current supply voltage: supply voltage is different, even if dutyfactor value is identical, electric current exports also different, so, need " voltage signal processing circuit " to carry out voltage sampling to power supply, and carry out AD conversion.According to voltage signal, corresponding voltage compensation parameter can be calculated;
Motor position: the wheel hub that non-brush permanent-magnet DC motor is made up of multiple permanent magnet, the magnetic field relative position produced relative to permanent magnet due to machine winding coil is different, the motor torque that same current produces is different (namely pulling force is different), and code sensor (being the part of " position sensing circuit ") can detect the position of motor.The position compensation parameter of answering accordingly can be calculated according to current location;
Motor speed: when motor rotates, can back-emf be produced, even if dutyfactor value is identical, different rotating speeds, electric current exports also different; " position sensing circuit " can detect the position of motor, and then " motor speed calculating unit " (passing through software simulating), obtains the rotating speed of motor; According to current motor rotating speed, corresponding velocity compensation parameter can be calculated;
" position sensing circuit " also has another effect to be commutation.The permanent magnet DC motor that we adopt is three-phase windings, and only have two-phase winding at any one time in energising, a phase winding is cold, during electric machine rotation, needs commutation at any time.The Hall element of motor internal, by " change of current computing unit ", for the opportunity of commutation provides signal, this signal and above-mentioned various parameter combine, generate six complementary three-phase PWM waveforms by " synchronous PWM generation unit ", through " drive singal isolation " circuit, high-low pressure isolation is carried out to waveform, deliver to " three-phase voltage inverter circuit " again to drive " permanent magnetic brushless ", reach other power stage of a few multikilowatt.
" phase current sampling circuit " can detect current motor electric current, and feeds back to " motor control unit "." phase current sampling circuit " is also a part for motor protective circuit, when electric current exceedes a certain threshold value, can report to the police or stop machine operation." processes temperature signal circuit " is to protect high-power MOS tube in " three-phase voltage inverter circuit ", in order to avoid pipe overheating failure.
Counterweight load system on body-building apparatus of the present invention instead of traditional iron block as counterweight by permanent-magnet brushless DC electric machine, not only structure is simple light and handy again, and the dynamics of counterweight is adjusted by electromagnetic principle, the steplessization regulation and control of counterweight can be realized, person taking exercise is taken exercise can be more effective, and native system can control the rotating speed of motor, compare in traditional technology and unclamp strength driving mechanism and can to drop suddenly the problem causing equipment to damage by balancing weight.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (7)
1. the counterweight load system on body-building apparatus, is characterized in that, comprises body-building instrument support (4), pulling force rope (5), motor (1), motor drive module and motor control unit;
Described motor (1) is arranged on body-building instrument support (4) and rotatable, described pulling force rope (5) is wrapped on motor (1), its one end is connected with the rotor of motor (1), and the other end is connected with the strength driving mechanism (6) on body-building apparatus; Described strength driving mechanism (6) is for rotating by pulling force rope (5) drive motor (1) thus producing pulling force, and described motor control unit controls motor by motor drive module and rotates and make it produce the load force relative with pulling force in the other direction.
2. the counterweight load system on body-building apparatus according to claim 1, is characterized in that, the structure of described motor (1) is permanent-magnet brushless DC electric machine.
3. the counterweight load system on body-building apparatus according to claim 1, is characterized in that, also comprises tension pick-up (7), and described tension pick-up is for detecting the current pulling force of strength driving mechanism.
4. the counterweight load system on body-building apparatus according to claim 1, it is characterized in that, described strength driving mechanism (6) is handle ring or stayed mast, and human body rotates by handle ring or stayed mast to control pulling force rope (5) drive motor (1) thus produces pulling force.
5. the counterweight load system on body-building apparatus according to claim 1, is characterized in that, also comprises an operation display panel be connected with motor control unit.
6. the counterweight load system on body-building apparatus according to claim 3, is characterized in that, also comprises pulley (2), and described pulley is arranged on body-building instrument support (4) and goes up and coordinate with pulling force rope (5) transmission.
7. the counterweight load system on body-building apparatus according to claim 6, is characterized in that, described tension pick-up (7) can be arranged on pulley or between the motor shaft and body-building instrument support (4) of motor (1).
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510957361.XA CN105498151A (en) | 2015-12-18 | 2015-12-18 | Counterweight load system on fitness equipment |
| PCT/CN2016/110187 WO2017101822A1 (en) | 2015-12-18 | 2016-12-15 | Counterweight load system on fitness equipment |
| ES16204868T ES2848355T3 (en) | 2015-12-18 | 2016-12-16 | Weight loading system for sports training equipment |
| EP16204868.0A EP3182575B1 (en) | 2015-12-18 | 2016-12-16 | Weight loading system for fitness equipments |
| US15/381,623 US10751573B2 (en) | 2015-12-18 | 2016-12-16 | Weight loading system for fitness equipments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510957361.XA CN105498151A (en) | 2015-12-18 | 2015-12-18 | Counterweight load system on fitness equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105498151A true CN105498151A (en) | 2016-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510957361.XA Pending CN105498151A (en) | 2015-12-18 | 2015-12-18 | Counterweight load system on fitness equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105498151A (en) |
Cited By (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017101822A1 (en) * | 2015-12-18 | 2017-06-22 | 陆伟东 | Counterweight load system on fitness equipment |
| CN107854805A (en) * | 2018-01-05 | 2018-03-30 | 贵州大学 | Exercising machine is made a concession in a kind of centripetal centrifugation |
| CN107875574A (en) * | 2017-12-26 | 2018-04-06 | 贵州大学 | A kind of pectoralis major makes a concession exercising machine |
| CN107890646A (en) * | 2017-12-26 | 2018-04-10 | 贵州大学 | A kind of chin-up muscle group makes a concession exercising machine |
| CN109331420A (en) * | 2018-11-20 | 2019-02-15 | 江苏省肿瘤医院 | Ankle pumps motion exercise device |
| CN109890467A (en) * | 2016-07-25 | 2019-06-14 | 托纳***公司 | Digital strength building |
| CN110064174A (en) * | 2019-05-17 | 2019-07-30 | 黄河科技学院 | Electricity adjusts resistance type upper limb exercising apparatus |
| CN110090392A (en) * | 2019-05-29 | 2019-08-06 | 苏州经贸职业技术学院 | A kind of intelligent exercising apparatus |
| CN110180124A (en) * | 2019-07-04 | 2019-08-30 | 刘国华 | Physical-strength-type fitness facility sources of resistance |
| CN110769902A (en) * | 2017-01-30 | 2020-02-07 | 升降实验室公司 | System for dynamic resistance training |
| KR102057849B1 (en) * | 2018-11-08 | 2020-02-07 | (주)맨엔텔 | Load controllable muscle exercise equipment by using eddy current |
| CN111701186A (en) * | 2020-06-22 | 2020-09-25 | 厦门宏泰科技研究院有限公司 | Action judgment method of linear motor magnetic induction load-bearing fitness equipment |
| CN112044017A (en) * | 2020-09-11 | 2020-12-08 | 成都拟合未来科技有限公司 | Parameter optimization method and device based on motor strength training equipment |
| CN112057795A (en) * | 2020-09-11 | 2020-12-11 | 成都拟合未来科技有限公司 | Novel strength training apparatus |
| CN112090024A (en) * | 2020-09-23 | 2020-12-18 | 广州视源电子科技股份有限公司 | Exercise machine torque output control method and device, exercise machine and medium |
| CN113144509A (en) * | 2021-04-08 | 2021-07-23 | 东莞市本末科技有限公司 | Body-building apparatus |
| US11077330B2 (en) | 2017-10-02 | 2021-08-03 | Tonal Systems, Inc. | Exercise machine with pancake motor |
| CN113318388A (en) * | 2021-07-05 | 2021-08-31 | 东莞市本末科技有限公司 | Fitness device based on direct drive motor |
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| US11110317B2 (en) | 2017-10-02 | 2021-09-07 | Tonal Systems, Inc. | Exercise machine enhancements |
| WO2022057809A1 (en) * | 2020-09-15 | 2022-03-24 | 广州视源电子科技股份有限公司 | Method and device for physical weakness protection of fitness apparatus, fitness apparatus, and medium |
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| US11524219B2 (en) | 2017-10-02 | 2022-12-13 | Tonal Systems, Inc. | Exercise machine safety enhancements |
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| CN117122886A (en) * | 2023-05-11 | 2023-11-28 | 龙泉剑村科技有限公司 | Human body tension testing device |
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| WO2017101822A1 (en) * | 2015-12-18 | 2017-06-22 | 陆伟东 | Counterweight load system on fitness equipment |
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| CN107875574A (en) * | 2017-12-26 | 2018-04-06 | 贵州大学 | A kind of pectoralis major makes a concession exercising machine |
| CN107854805A (en) * | 2018-01-05 | 2018-03-30 | 贵州大学 | Exercising machine is made a concession in a kind of centripetal centrifugation |
| CN107854805B (en) * | 2018-01-05 | 2024-03-29 | 贵州大学 | Centripetal centrifugal yielding trainer |
| KR102057849B1 (en) * | 2018-11-08 | 2020-02-07 | (주)맨엔텔 | Load controllable muscle exercise equipment by using eddy current |
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| CN110064174A (en) * | 2019-05-17 | 2019-07-30 | 黄河科技学院 | Electricity adjusts resistance type upper limb exercising apparatus |
| CN110064174B (en) * | 2019-05-17 | 2024-02-02 | 黄河科技学院 | Electric resistance-adjusting type upper limb body-building device |
| CN110090392A (en) * | 2019-05-29 | 2019-08-06 | 苏州经贸职业技术学院 | A kind of intelligent exercising apparatus |
| CN110180124A (en) * | 2019-07-04 | 2019-08-30 | 刘国华 | Physical-strength-type fitness facility sources of resistance |
| CN110180124B (en) * | 2019-07-04 | 2023-11-24 | 山东津泉智能科技有限公司 | Resistance source of strength type body-building equipment |
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