CN109603081A - The correction auxiliary system and correction method of adjustment of weight training exercises device - Google Patents

The correction auxiliary system and correction method of adjustment of weight training exercises device Download PDF

Info

Publication number
CN109603081A
CN109603081A CN201910098120.2A CN201910098120A CN109603081A CN 109603081 A CN109603081 A CN 109603081A CN 201910098120 A CN201910098120 A CN 201910098120A CN 109603081 A CN109603081 A CN 109603081A
Authority
CN
China
Prior art keywords
weight
frame body
auxiliary system
control device
rotating turret
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910098120.2A
Other languages
Chinese (zh)
Inventor
刘建明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yantai Vocational College
Original Assignee
Yantai Vocational College
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yantai Vocational College filed Critical Yantai Vocational College
Priority to CN201910098120.2A priority Critical patent/CN109603081A/en
Publication of CN109603081A publication Critical patent/CN109603081A/en
Pending legal-status Critical Current

Links

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
    • A63B21/06—User-manipulated weights
    • A63B21/072—Dumb-bells, bar-bells or the like, e.g. weight discs having an integral peripheral handle
    • A63B21/0724—Bar-bells; Hand bars
    • 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
    • A63B21/06—User-manipulated weights
    • A63B21/072—Dumb-bells, bar-bells or the like, e.g. weight discs having an integral peripheral handle
    • A63B21/075—Dumb-bells, bar-bells or the like, e.g. weight discs having an integral peripheral handle with variable weights, e.g. weight systems with weight selecting means for bar-bells or dumb-bells
    • 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
    • A63B24/0062—Monitoring athletic performances, e.g. for determining the work of a user on an exercise apparatus, the completed jogging or cycling distance
    • 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
    • A63B24/0062—Monitoring athletic performances, e.g. for determining the work of a user on an exercise apparatus, the completed jogging or cycling distance
    • A63B2024/0065—Evaluating the fitness, e.g. fitness level or fitness index
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2230/00—Measuring physiological parameters of the user
    • A63B2230/40—Measuring physiological parameters of the user respiratory characteristics
    • A63B2230/42—Measuring physiological parameters of the user respiratory characteristics rate
    • A63B2230/425—Measuring physiological parameters of the user respiratory characteristics rate used as a control parameter for the apparatus

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biophysics (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Rehabilitation Tools (AREA)

Abstract

The invention discloses a kind of correction auxiliary system of weight training exercises device and correction methods of adjustment.System includes the backboard for being vertically arranged in seat rear, and three groups of displacement sensors are equipped on the backboard；It further include the flexible harness for trainer's wearing, the rear portion of the harness is provided with three groups and the one-to-one metal tape in three groups of displacement sensor positions；It is additionally provided with rotatable rotating turret, the rotating turret carries clump weight, drives rotating turret rotation to can change lifted weight by electronic screw rod.The present invention can bear a heavy burden in adjustment in the case where not suspending training, enable trainer with the training for a long time of correct posture, reduce injury gained in sports, improve endurance training effect.

Description

The correction auxiliary system and correction method of adjustment of weight training exercises device
Technical field
The system that the present invention relates to a kind of to help trainer's posture correction during weight training exercises further relates to a kind of rectify Positive justification method.
Background technique
When weight training exercises, posture is extremely important.The especially posture at back, it is such as lack of standardization, backbone will be caused irreversible Injury gained in sports.
It for posture correction, needs coach or ladder player's moment to cooperate, supervised training personnel, but undoubtedly will increase religion in this way Experienced workload, while naked eyes supervision is difficult, effect is undesirable.
On the other hand, whether the correct set of trainer, not only subjective consciousness problem, also with trained tired journey It spends related.In conventional physical training, trainer lifts barbell, feeling of fatigue cumulative rises, while the weight lifted for a long time It cannot be adjusted, therefore trainer can be unconsciously bow-backed, or uses other improperly postures.If adjusting weight, Training can only be suspended, but trainer has the recovery of physical strength again after pause training, mitigates weight again at this time, it is meaningless.And And training is more conducive to improve the endurance of trainer incessantly.
The mode of weight lifting weight can be adjusted in the case where not suspending training without providing in the prior art.
Summary of the invention
The invention proposes a kind of correction auxiliary system of weight training exercises device and method of adjustment is corrected, its object is to: The adjustment weight bearing in the case where not suspending training enables trainer with the training for a long time of correct posture, reduces movement damage Wound improves endurance training effect.
Technical solution of the present invention is as follows:
A kind of correction auxiliary system of weight training exercises device, the weight training exercises device includes frame body, is pacified on the frame body Equipped with seat, vertical guide rail is additionally provided on frame body, the weight training exercises device further includes barbell, the bar portion of the barbell with The guide rail matches, and fixed pulley is additionally provided at the top of the frame body, and the barbell is connected with clump weight by wirerope, institute The top that wirerope bypasses the fixed pulley is stated, the correction auxiliary system includes the backboard for being vertically arranged in seat rear, institute The front for stating backboard has inner groovy, is provided with vertical sliding groove in the inner groovy, in the sliding groove along the vertical direction Arrangement is equipped with three groups of displacement sensors；
The correction auxiliary system further includes the flexible harness for trainer's wearing, and the rear portion of the harness is provided with three Group and the one-to-one metal tape in three groups of displacement sensor positions, the metal tape are to be horizontally orientated to；The displacement sensing Device is for detecting the distance between respective and corresponding metal tape；
Rotating turret, the front end of the rotating turret and the frame body is also equipped on the frame body to be rotatablely connected by pin shaft, The rotating turret is equipped with sliding rail, and the bottom of the clump weight is equipped with the traveling wheel matched with the sliding rail；
The correction auxiliary system further includes electronic screw rod, and described electronic screw rod one end and the frame body lower rotation connect It connects, the other end is connect with the rear end thereof of the rotating turret；
The correction auxiliary system further includes the warning lamp being set in front of seat；
The correction auxiliary system further includes control device, the control device and each displacement sensor be respectively connected with Position signal is received, the control device is also connected to control electronic screw rod and stretch with the electronic screw rod, the control dress It sets and is also connected with the warning lamp.
Further improvement as this system: further including the pedal that frame body bottom front is arranged in, and the pedal is left and right Two groups, the signal output end of each pedal is connected with the control device respectively.
Further improvement as this system: the metal tape is spliced by several sheet metals being pasted on harness, There is 1 to 3mm gap between sheet metal.
Further improvement as this system: further include the bracket for being mounted on frame body front, wheat is installed on the bracket Gram wind, the microphone are located at the front on trainer head, and microphone is connected with the control device.
Further improvement as this system: tablet computer is also equipped on the bracket.
Further improvement as this system: further include be mounted on frame body close to switch, it is described to be used for close to switch Whether detection barbell is lifted, and is connected close to switch with the control device.
The correction method of adjustment of correction auxiliary system based on above-mentioned weight training exercises device, as follows every 10 seconds The angle of rotating turret is adjusted:
(I) Breathiness of trainer is picked up by microphone, control device obtains the audio data of microphone in real time, The frequency range that frequency is 100Hz or more is filtered out, at expiration moment at the time of then taking volume peak as trainer, is exhaled The interval t of gasb, seek nearly ten tbAverage value be denoted as Tb, calculating expiration frequency is fb=1/Tb；Remember current fbWith a upper fb Between difference be △ fb；
Also, incude whether barbell is lifted by being positioned proximate to switch, control device is obtained in real time close to switch Signal value calculates the time interval t between the signal sending momentq, seek nearly t three timesqAverage value be denoted as Tq, calculate lifting frequency Rate is fq=1/Tq；Remember current fqWith a upper fqBetween difference be △ fq；
(II) hinge joint between electronic screw rod and rotating turret is set as A, and the hinge joint between electronic screw rod and frame body is B, is turned Hinge joint between moving frame and frame body is C, and the distance between B and C are a, and the spacing between A and C is b, the spacing between A and B I.e. the length of electric threaded shaft is L, and ∠ BCA is set as α, and straight line BC is β relative to the angle of vertical direction, then the sliding rail phase of rotating turret For angle, θ=alpha+beta of vertical direction；
If the weight of barbell is G1, the weight of clump weight is G2, then when the upward equilibrant force that front-end weight block applies barbell F=G2Cos (θ), lifting weight is M=G at this time1- F=G1-G2cos(θ)；
The expectancy changes value △ F of calculated equilibrium power:
△ F=k1(-k2△fq+k3sin(△fbπ/6))；
Desired equilibrant force F '=G2Cos (θ)+△ F=G2cos(θ)+k1(-k2△fq+k3sin(△fbπ/6))；
Desired lifting weight is M '=G1-G2cos(θ)-k1(-k2△fq+k3sin(△fbπ/6))；
In formula, coefficient k2Value range is 100 to 200Ns, coefficient k3Value range is 60 to 80N；Coefficient k1Value side Formula are as follows: control device obtains the position data of three groups of displacement sensors in real time, if from top to bottom three groups of displacement sensors detect Positional distance be respectively x1、x2And x3, work as x1>x2≥x3And x1-x3> 4cm and (- k2△fq+k3sin(△fbπ/6)) > 0 when, k1 =1.2；Otherwise k1=1；
At this point, θ expectation becomes θ ', then there is θ '=arccos (F'/G2)；
Length desired value L '=(a of electronic screw rod2+b2-2cos(θ’-β)ab)1/2；
(III) electronic screw rod is controlled according to L ' to stretch.
Compared with the existing technology, the present invention has the positive effect that: (1) present invention passes through displacement sensor real-time monitoring The posture at trainer back issues warning, and can be by adjusting rotating turret angle in real time when fault in time Mode reduce weight, both avoid injury gained in sports, also to trainer provide continue weight training exercises condition, help to mention High endurance；It (2) can be easy to operate by the real-time regulating weight of pedal；(3) the invention also provides one kind based on breathing The method that frequency and weight lifting frequency adjust weight in real time comprehensively considers the breathing situation and weight lifting situation of trainer, online Change weight, until the respiratory rate and weight lifting frequency of trainer reach stable state, to greatly improve trained Comfort level and training effect；(4) real-time regulating method can also judge whether to need quickly to reduce weight, keep away in conjunction with back posture Exempt from injury gained in sports.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention.
Fig. 2 is the partial schematic diagram of back board part.
Fig. 3 is the geometric representation for the △ ABC that frame body, rotating turret and electronic screw rod are constituted.
Specific embodiment
The technical solution that the invention will now be described in detail with reference to the accompanying drawings:
Such as Fig. 1 and 2, a kind of correction auxiliary system of weight training exercises device, the weight training exercises device includes frame body 1, institute Stating installation on frame body 1 has the seat 2 provided for trainer, and vertical guide rail, the weight training exercises dress are additionally provided on frame body 1 Setting further includes barbell 3, and the bar portion of the barbell 3 is matched with the guide rail, and the top of the frame body 1 is additionally provided with fixed pulley 4, The barbell 3 is connected with clump weight 6 by wirerope, and the wirerope bypasses the top of the fixed pulley 4.When training, training Personnel are sitting on seat 2, are achieved the effect that by lifting barbell 3 trained.
The correction auxiliary system includes the backboard 7 for being vertically arranged in 2 rear portion of seat, and backboard 7 is the back of trainer Support is provided.The front of the backboard 7 has inner groovy, is provided with vertical sliding groove, the sliding groove in the inner groovy Interior arranged along the vertical direction by nut is equipped with three groups of displacement sensors 10；After unclamping nut, above and below displacement sensor 10 Position is adjustable.
The correction auxiliary system further includes the flexible harness 11 for trainer's wearing, the rear portion setting of the harness 11 There are three groups and the one-to-one metal tape 12 in three groups of displacement sensors, 10 position, the metal tape 12 is to be horizontally orientated to；Institute Displacement sensors 10 are for detecting the distance between respective and corresponding metal tape 12；Present invention preferably employs inductance type force-displacements Sensor 10 is that the variation of tested displacement is converted to inductance using inductance element on the basis of electromagnetic induction principle Electrodynamic capacity or mutual inductance variation, then voltage or current signal are converted by measuring circuit, had without abrasion, without weight It the advantages of many practicabilities such as multiple error, signal input and output circuit be mutually isolated, is used widely in length metering, There is great advantage especially in terms of a wide range of, high-precision measurement.
Preferably, the metal tape 12 is spliced by several sheet metals being pasted on harness 11, is had between sheet metal There is 1 to 3mm gap.So during exercise, metal tape 12 can bend with figure, improve comfort, and will not shadow Ring the detection of distance.
The rotating turret 5 of aluminum alloy material is also equipped on the frame body 1, the front end of the rotating turret 5 and the frame body 1 are logical Cross pin shaft rotation connection, the rotating turret 5 is equipped with sliding rail, and the bottom of the clump weight 6 is equipped with to be matched with the sliding rail Traveling wheel.When lifting barbell 3, clump weight 6 is back and forth walked on rotating turret 5.
The correction auxiliary system further includes electronic screw rod 8, described electronic 8 one end of screw rod and 1 lower rotation of frame body Connection, the other end are connect with the rear end thereof of the rotating turret 5.Electronic screw rod 8 is flexible, and rotating turret 5 can be driven to rotate, and changes The equilibrant force upward to barbell 3 of clump weight 6.
The correction auxiliary system further includes the warning lamp 16 for being set to 2 front of seat.
The correction auxiliary system further includes control device, and the control device is respectively connected with each displacement sensor 10 To receive position signal, the control device is also connected to control electronic screw rod 8 and stretch with the electronic screw rod 8, the control Device processed is also connected with the warning lamp 16.Control device is preferably based on the control box of ARM core CPU, has digital letter Number and the receiving of analog signal, transmitting line simultaneous with drive module can drive the fortune of stepper motor in electronic screw rod Turn.
Whether the back figure that the size according to three groups of distances can judge automatically trainer is correct.If from top to bottom three The positional distance that group displacement sensor 10 detects is respectively x1、x2And x3, control device judged: working as x1>x2≥x3And x1- x3When > 4cm, it can be assumed that the back of trainer uses similar bow-backed posture.It is on the one hand accused at this time by warning lamp 16 Know that trainer changes posture, another aspect control device can drive electronic screw rod 8 to shorten automatically, increase counterweight equilibrant force, Weight bearing is reduced, slows down the feeling of fatigue of trainer, avoids injury gained in sports, while can continue to train, improves endurance.
It further, further include the pedal 9 that 1 bottom front of frame body is set, the pedal 9 is two groups of left and right, each pedal 9 Signal output end be connected respectively with the control device.Two groups 9 one groups of pedal extend to control electronic screw rod 8, and another group Control its shortening.Control device can be changed to manual adjusting style, i.e., after warning lamp 16 lights, trainer is controlled by pedal 9 Rotating turret 5 processed rises and falls, control device will not the electronic screw rod 8 of adjust automatically length.
Further, further include the bracket 13 for being mounted on 1 front of frame body, microphone 14, institute are installed on the bracket 13 The front that microphone 14 is located at trainer head is stated, microphone 14 is connected with the control device, and effect is acquisition instruction Practice the Breathiness of personnel.
Further, it is also equipped with tablet computer 15 on the bracket 13, video, music etc. can be played when training.
It is additionally provided on frame body 1 close to switch 17, the close switch 17 is close to open for detecting whether barbell 3 is lifted 17 are closed to be connected with the control device.
Preferably, this system is corrected using automatic control algorithm takes exercise with supplemental training personnel, concrete mode are as follows: manually Press the start button on control device, then the data of each sensor of control device start recording start weight training exercises, and 1 point (ensure that control device has had recorded a certain amount of data, provide basis for subsequent calculating) after clock, every 10 seconds by as follows Step is adjusted the angle of rotating turret 5:
(I) Breathiness of trainer is picked up by microphone 14, control device obtains the audio of microphone 14 in real time Data filter out the frequency range that frequency is 100Hz or more, expiration moment at the time of then taking volume peak as trainer, The interval t to be exhaledb, seek nearly ten tbAverage value be denoted as Tb, calculating expiration frequency is fb=1/Tb；Remember current fbWith A upper fbBetween difference be △ fb；
Also, incude whether barbell 3 is lifted by being positioned proximate to switch 17, control device is obtained in real time close to switch 17 signal value calculates the time interval t between the signal sending momentq, seek nearly t three timesqAverage value be denoted as Tq, calculate and lift Raising frequency rate is fq=1/Tq；Remember current fqWith a upper fqBetween difference be △ fq；
(II) hinge joint between electronic screw rod 8 and rotating turret 5 is set as A, and the hinge joint between electronic screw rod 8 and frame body 1 is B, the hinge joint between rotating turret 5 and frame body 1 are C, and the distance between B and C are a, and the spacing between A and C is b, between A and B Spacing, that is, electric threaded shaft length be L, ∠ BCA is set as α, and straight line BC is β relative to the angle of vertical direction, then rotating turret 5 Angle, θ=alpha+beta of the sliding rail relative to vertical direction；
If the weight of barbell 3 is G1, the weight of clump weight 6 is G2, then barbell 3 is applied when front-end weight block 6 upward flat Weigh power F=G2Cos (θ), lifting weight is M=G at this time1- F=G1-G2cos(θ)；
The expectancy changes value △ F of calculated equilibrium power:
△ F=k1(-k2△fq+k3sin(△fbπ/6))；
In general, respiratory rate f when weight liftingbRange be greater than 0 and less than 2 times/second, then △ fbRange be -2 To 2 times/second, △ fbThe range of π/6 be -60 degree to 60 degree, within the scope of this tracks of line voltage be one with angle value increase and The curve of increase, and the endpoint curve closer to both sides is more slow, since the fluctuation of respiratory rate is sometimes larger, passes through sine Function suitably shrinks influence of the respiratory rate great fluctuation process value to equilibrant force, avoids weight lifting weight from big fluctuation occur, causes accident Damage；
Desired equilibrant force F '=G2Cos (θ)+△ F=G2cos(θ)+k1(-k2△fq+k3sin(△fbπ/6))；
Desired lifting weight is M '=G1-G2cos(θ)-k1(-k2△fq+k3sin(△fbπ/6))；That is, working as training of human When the weight lifting frequency of member improves, illustrate that current weight relatively easily, can suitably increase weight lifting weight, work as instruction for trainer When practicing the respiratory rate raising of personnel, illustrates that current weight is higher, can suitably reduce weight lifting weight.
In above formula, coefficient k2Value range is 100 to 200Ns, coefficient k3Value range is 60 to 80N；Coefficient k1Value Mode are as follows: control device obtains the position data of three groups of displacement sensors 10 in real time, if three groups of displacement sensors 10 from top to bottom The positional distance detected is respectively x1、x2And x3, work as x1>x2≥x3And x1-x3> 4cm and (- k2△fq+k3sin(△fbπ/6))> When 0, k1=1.2, otherwise k1=1, it may be assumed that if the expression of the judging result of current composite weight lifting frequency and respiratory rate should reduce Weight, while the posture of trainer there is a problem, then further increases the decreasing value of weight, reduce weight quickly, Avoid injury gained in sports.
At this point, θ expectation becomes θ ', then there is θ '=arccos (F'/G2)；
According to cosine formula, length desired value L '=(a of electronic screw rod 82+b2-2cos(θ’-β)ab)1/2；
(III) electronic screw rod 8 is controlled according to L ' to stretch, increase or reduce weight.

Claims (7)

1. a kind of correction auxiliary system of weight training exercises device, the weight training exercises device includes frame body (1), the frame body (1) On be equipped with seat (2), vertical guide rail is additionally provided on frame body (1), the weight training exercises device further includes barbell (3), institute The bar portion for stating barbell (3) is matched with the guide rail, is additionally provided with fixed pulley (4), the barbell at the top of the frame body (1) (3) it is connected with clump weight (6) by wirerope, the wirerope bypasses the top of the fixed pulley (4), it is characterised in that: institute Stating correction auxiliary system includes the backboard (7) for being vertically arranged in seat (2) rear portion, and the front of the backboard (7) has inner groovy, It is provided with vertical sliding groove in the inner groovy, is arranged along the vertical direction in the sliding groove and three groups of displacement sensors is installed (10)；
The correction auxiliary system further includes the flexible harness (11) for trainer's wearing, the rear portion setting of the harness (11) There are three groups and the one-to-one metal tape in three groups of displacement sensors (10) position (12), the metal tape (12) is walked for level To；Institute's displacement sensors (10) are for detecting the distance between respective and corresponding metal tape (12)；
It is also equipped with rotating turret (5) on the frame body (1), the front end and the frame body (1) of the rotating turret (5) are turned by pin shaft Dynamic connection, the rotating turret (5) are equipped with sliding rail, and the bottom of the clump weight (6) is equipped with the walking matched with the sliding rail Wheel；
The correction auxiliary system further includes electronic screw rod (8), and described electronic screw rod (8) one end and the frame body (1) bottom turn Dynamic connection, the other end are connect with the rear end thereof of the rotating turret (5)；
The correction auxiliary system further includes the warning lamp (16) being set in front of seat (2)；
The correction auxiliary system further includes control device, the control device and each displacement sensor (10) be respectively connected with Position signal is received, the control device is also connected to control electronic screw rod (8) and stretch with the electronic screw rod (8), described Control device is also connected with the warning lamp (16).
2. the correction auxiliary system of weight training exercises device as described in claim 1, it is characterised in that: further include being arranged in frame body (1) pedal (9) of bottom front, the pedal (9) be left and right two groups, the signal output end of each pedal (9) respectively with the control Device processed is connected.
3. the correction auxiliary system of weight training exercises device as described in claim 1, it is characterised in that: the metal tape (12) by Several sheet metals being pasted on harness (11) are spliced, and have 1 to 3mm gap between sheet metal.
4. the correction auxiliary system of weight training exercises device as described in claim 1, it is characterised in that: further include being mounted on frame body (1) bracket (13) of front is equipped with microphone (14) on the bracket (13), and the microphone (14) is located at trainer's head The front in portion, microphone (14) are connected with the control device.
5. the correction auxiliary system of weight training exercises device as claimed in claim 4, it is characterised in that: on the bracket (13) also Tablet computer (15) are installed.
6. the correction auxiliary system of weight training exercises device as claimed in claim 1 to 5, it is characterised in that: further include peace On frame body (1) close to switch (17), it is described close to switch (17) for detecting whether barbell (3) is lifted, close to opening (17) are closed to be connected with the control device.
7. the correction method of adjustment of the correction auxiliary system based on weight training exercises device as described in claim 1, feature exist The angle of rotating turret (5) is adjusted as follows in every 10 seconds:
(I) Breathiness of trainer is picked up by microphone (14), control device obtains the audio of microphone (14) in real time Data filter out the frequency range that frequency is 100Hz or more, expiration moment at the time of then taking volume peak as trainer, The interval t to be exhaledb, seek nearly ten tbAverage value be denoted as Tb, calculating expiration frequency is fb=1/Tb；Remember current fbWith A upper fbBetween difference be △ fb；
Also, incude whether barbell (3) is lifted by being positioned proximate to switch (17), control device is obtained in real time close to switch (17) signal value calculates the time interval t between the signal sending momentq, seek nearly t three timesqAverage value be denoted as Tq, calculate Lifting frequency is fq=1/Tq；Remember current fqWith a upper fqBetween difference be △ fq；
(II) hinge joint between electronic screw rod (8) and rotating turret (5) is set as A, it is hinged between electronic screw rod (8) and frame body (1) Point is B, and the hinge joint between rotating turret (5) and frame body (1) is C, and the distance between B and C are a, and the spacing between A and C is b, A Spacing, that is, electric threaded shaft length between B is L, and ∠ BCA is set as α, and straight line BC is β relative to the angle of vertical direction, then Angle, θ=alpha+beta of the sliding rail of rotating turret (5) relative to vertical direction；
If the weight of barbell (3) is G1, the weight of clump weight (6) is G2, then barbell (3) is applied when front-end weight block (6) upward Equilibrant force F=G2Cos (θ), lifting weight is M=G at this time1- F=G1-G2cos(θ)；
The expectancy changes value △ F of calculated equilibrium power:
△ F=k1(-k2△fq+k3sin(△fbπ/6))；
Desired equilibrant force F '=G2Cos (θ)+△ F=G2cos(θ)+k1(-k2△fq+k3sin(△fbπ/6))；
Desired lifting weight is M '=G1-G2cos(θ)-k1(-k2△fq+k3sin(△fbπ/6))；In formula, coefficient k2Value model Enclosing is 100 to 200Ns, coefficient k3Value range is 60 to 80N；Coefficient k1Value mode are as follows: control device obtains three groups in real time The position data of displacement sensor (10), if the positional distance that from top to bottom three groups of displacement sensors (10) detect is respectively x1、x2And x3, work as x1>x2≥x3And x1-x3> 4cm and (- k2△fq+k3sin(△fbπ/6)) > 0 when, k1=1.2；Otherwise k1=1；
At this point, θ expectation becomes θ ', then there is θ '=arccos (F'/G2)；
Length desired value L '=(a of electronic screw rod (8)2+b2-2cos(θ’-β)ab)1/2；
(III) electronic screw rod (8) is controlled according to L ' to stretch.
CN201910098120.2A 2019-01-31 2019-01-31 The correction auxiliary system and correction method of adjustment of weight training exercises device Pending CN109603081A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910098120.2A CN109603081A (en) 2019-01-31 2019-01-31 The correction auxiliary system and correction method of adjustment of weight training exercises device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910098120.2A CN109603081A (en) 2019-01-31 2019-01-31 The correction auxiliary system and correction method of adjustment of weight training exercises device

Publications (1)

Publication Number Publication Date
CN109603081A true CN109603081A (en) 2019-04-12

Family

ID=66019416

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910098120.2A Pending CN109603081A (en) 2019-01-31 2019-01-31 The correction auxiliary system and correction method of adjustment of weight training exercises device

Country Status (1)

Country Link
CN (1) CN109603081A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114011018A (en) * 2021-11-16 2022-02-08 九江学院 Gymnastics sportsman strength training equipment
TWI756815B (en) * 2020-09-04 2022-03-01 南開科技大學 Weight training system with protective mechanism and method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI756815B (en) * 2020-09-04 2022-03-01 南開科技大學 Weight training system with protective mechanism and method thereof
CN114011018A (en) * 2021-11-16 2022-02-08 九江学院 Gymnastics sportsman strength training equipment

Similar Documents

Publication Publication Date Title
CN109603081A (en) The correction auxiliary system and correction method of adjustment of weight training exercises device
CN107693301A (en) The adaptive weight reducing device of suspension type and recovery exercising robot of rehabilitation training
ITLT20100001A1 (en) MACHINE FOR THE PHYSICAL EXERCISE OF A USER
US4973044A (en) Convalescent aid
CN103919658B (en) Horizontal multi-direction adjustable rotation angle cervical-vertebra traction machine
CN209451218U (en) The correction auxiliary system of weight training exercises device
CN109199800B (en) Rehabilitation robot and tumble detection and protection method thereof
CN110279987B (en) Electromagnetic load chest-expanding and back-pulling machine
CN110368266A (en) Two degrees of freedom suspension type correcting posture body weight support treadmill training device
CN113144555B (en) Hammer ball rotation limit tension trainer and use method thereof
CN110731782A (en) rehabilitation robot for patients with balance disorder
CN105797309A (en) Intelligent speed regulation treadmill and speed regulation method thereof
CN110279551A (en) Airway open position self-checking device
CN214955110U (en) Gate machine
CN209728998U (en) A kind of safety early warning device of bridge inspection vehicle
KR101640154B1 (en) Apparatus for preventing aspiration of patient with dysphagia
JP3183923U (en) Unloaded rehabilitation lift and spring hanger
CN107866029B (en) Physical training equipment and speed adjusting method thereof
CN113034753A (en) Gate passing method
CN207101752U (en) A kind of system for training dynamic bicycle
CN208710922U (en) Speed detecting mechanism and no-power treadmill
CN208043302U (en) A kind of tension sensing device
CN215922407U (en) Novel bicycle self-balancing control system
CN108815805A (en) With the athletic training system for instructing training function
CN218075656U (en) Automatic control training device for knee joint extension

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination