CN104288966B - Treadmill speed change gear - Google Patents
Treadmill speed change gear Download PDFInfo
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- CN104288966B CN104288966B CN201410577957.2A CN201410577957A CN104288966B CN 104288966 B CN104288966 B CN 104288966B CN 201410577957 A CN201410577957 A CN 201410577957A CN 104288966 B CN104288966 B CN 104288966B
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- treadmill
- belt tension
- treadmill belt
- sporter
- bearing
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Abstract
The present invention relates to the control of treadmill, it is intended to solving existing treadmill cannot the problem of automatic speed regulation.For this purpose it is proposed, the present invention provides a kind of treadmill speed change gear, this treadmill speed change gear includes: treadmill belt tension detector, and it is for detecting the treadmill belt tension force of the foothold front and back of sporter；And motor speed controller, it connects with the motor of treadmill belt tension detector and treadmill, for carrying out the rotating speed of auto-controlled motor according to the output signal of treadmill belt tension detector.Owing to the output signal of treadmill belt tension detector can reflect the potential speed governing demand of sporter, therefore, the treadmill speed change gear of the present invention can the acceleration of automatic decision sporter and deceleration demand be correspondingly adjusted, without any manually operated, thus eliminate manually operated inconvenience and relative danger.
Description
Technical field
The present invention relates to the control of treadmill, be specifically related to a kind of treadmill speed change gear.
Background technology
According to statistics, the most often running 1000 meters, both legs must colliding surface 600-700
Secondary, not only foot, leg and buttocks muscles can be given a shock, and also easily sprain muscle or pull
Ligament.Treadmill is the body-building apparatus that a kind of people of auxiliary run, take a walk, due to its transmission
Rolling band is rubber, so to reduce a lot to the impulsive force in legs and feet joint than horse race road, is difficult to draw
Rise sick and wounded, thus ensure momental science and safety.
The guidance panel of existing treadmill is provided with multiple window, shows sporter respectively
Velocity, the time, mileage, the calory count of consumption, heart rate etc..Additionally, this operating surface
Often it is additionally provided with acceleration and retard button on plate, some treadmills is additionally provided with classification constant speed button,
When regulating the speed for sporter.But, either accelerate and retard button, or classification is fixed
, all there is a common problem in speed button.That is, these buttons are required for sporter and manually regulate,
For having vision disorder or the sporter that runs at a high speed, this manually operated just seem extremely
Inconvenience, the most even can initiation potential.
Therefore, this area needs a kind of dress that can be automatically adjusted treadmill speed
Put, this device can the acceleration of automatic decision sporter and deceleration demand be correspondingly adjusted,
Carry out any manually operated without sporter, thus eliminate manually operated inconvenience and with
Relevant danger.
Summary of the invention
Present invention seek to address that the problems referred to above.Specifically, present invention seek to address that existing
Treadmill cannot the problem of automatic speed regulation.For this purpose it is proposed, the present invention provides a kind of treadmill speed change dress
Put.This treadmill speed change gear is characterised by including: treadmill belt tension detector, and it is for real
Time detection sporter the treadmill belt tension force of foothold front and back；And motor speed controls
Device, it connects with described treadmill belt tension detector and described motor, for according to described running
The output signal of belt tension detector controls the rotating speed of described motor, wherein, when described running
Belt tension detector detects the treadmill belt tension force in foothold front and the stopping over of sporter of sporter
When difference between the treadmill belt tension force at some rear reaches certain threshold value, described motor speed controls
Described motor acceleration or deceleration just ordered by device；When described treadmill belt tension detector detects motion
The treadmill belt tension force in the foothold front of person is more than the treadmill belt tension force at foothold rear and the two it
Between difference when reaching certain threshold value, described motor speed controller just orders described motor to add
Speed, and wherein, when described treadmill belt tension detector detects the foothold front of sporter
Treadmill belt tension force reaches certain less than treadmill belt tension force and the difference therebetween at foothold rear
During threshold value, described motor speed controller just orders described motor deceleration；This treadmill speed change
Device also includes parameter setter, and this parameter setter is for when sporter initially sets foot on treadmill
Read the testing result of described treadmill belt tension detector and set special according to described testing result
Tension threshold or pressure threshold in this sporter.
In case of the solution according to the inven-tion, run on a treadmill as sporter
When step or walking, if needing to slow down, then sporter's Slow Down, now, due to sporter's
Stepping the leg speed transmission speed less than treadmill belt, treadmill belt pulls sporter's to a certain extent
Leg runs backward.In this case, if on the basis of the foothold of sporter, then treadmill belt
Tension detector can detect the treadmill belt tension force treadmill belt less than foothold rear in foothold front
Tension force, this show sporter be intended to reduce treadmill speed, now motor speed controller is just
The rotating speed of motor can be directly reduced according to the output signal of treadmill belt tension detector, without
Sporter is wanted to come manually operated.Whereas if need to accelerate, then sporter hastens one's steps, now,
Owing to the leg speed advanced in years of sporter is higher than the transmission speed of treadmill belt, treadmill belt to a certain extent by
The leg of sporter pulls and runs backward.In this case, if with the foothold of sporter being
Benchmark, then treadmill belt tension detector can detect that the treadmill belt tension force in foothold front is more than stopping over
The treadmill belt tension force at some rear, this shows that sporter is intended to improve the speed of treadmill, the most electronic
Machine rotational speed governor just can directly improve motor according to the output signal of treadmill belt tension detector
Rotating speed, without sporter come manually operated.It is pointed out that either about this point
Need to accelerate or slow down, sporter hasten one's steps or during Slow Down amplitude all without excessive,
As long as described treadmill belt tension detector is able to detect that the tension variation before and after foothold.No
Then, especially because needs slow down and in the case of Slow Down, amplitude is excessive is likely to result in motion
Person drops from treadmill.
In the ideal case, when sporter runs on a treadmill or walks, it is stopped over
Treadmill belt tension force before and after Dian should be roughly equal.Therefore, if treadmill belt tension detector detects
Treadmill belt tension force before foothold more than the treadmill belt tension force after foothold, then shows that sporter anticipates
Figure accelerates；Whereas if the treadmill belt tension force before foothold is less than the treadmill belt tension force after foothold,
Then show that sporter is intended to slow down.But, due to the individual difference of each sporter, before foothold
After Tension Difference be possibly different from.Therefore, for each sporter, above-mentioned each technical side
Threshold value in case is likely to different.Such as, for some sporter, it is liked at ordinary times
Being pulled running or walking by treadmill belt, the treadmill belt tension force before its foothold is bright under normal circumstances
Aobvious less than the treadmill belt tension force after foothold, even if hastening one's steps to accelerate, before its foothold
Treadmill belt tension force be likely to the treadmill belt tension force after being slightly less than foothold.Under the circumstances,
It is accomplished by determining different tension force or pressure threshold for different sporters.The above-mentioned ginseng of the present invention
Number setting apparatus can read treadmill belt tension force within a bit of time that sporter initially sets foot on treadmill
The testing result of detector, calculates the various tension force being applicable to this sporter according to this testing result
Or pressure threshold, thus use described threshold value to judge sporter in follow-up automatic speed regulation operation
Acceleration and/or deceleration intention.Alternatively, the treadmill speed change gear of the present invention can also be for motion
Person provides different threshold options.For example, it is possible to provide at least three kinds of threshold options: advanced option,
Normal option and delayed option, advanced option is applicable to like pedaling the sporter that treadmill belt is run
I.e. liking the sporter stepping leg speed higher than treadmill belt running speed, normal option is applicable to without special
The sporter of hobby, delayed option is applicable to like being pulled the sporter run i.e. by treadmill belt
Like the sporter stepping leg speed less than treadmill belt running speed.
In the preferred embodiment of above-mentioned treadmill speed change gear, described treadmill belt tension force
Detector includes that multiple treadmill belt tension pick-up, described treadmill belt tension pick-up are arranged on this race
On running board below the treadmill belt of step machine, for detecting the tension force at each position of treadmill belt.Described
Treadmill belt tension pick-up is preferably by non-contact tension sensor, and these sensors can be close
Collection ground is arranged on running board, in order to each position of covering treadmill belt, from regardless of whether sporter
The foothold which position on treadmill belt, described sensor can detect sporter's exactly
Treadmill belt tension force before and after foothold.
In the preferred embodiment of above-mentioned treadmill speed change gear, this treadmill includes main
Framework, described motor, driving roller, driven voller, described running board and described treadmill belt, this is main
Framework includes that column and horizontal stand, described motor and driving roller are arranged on the level of this main frame
One end of support, described motor is connected with driving roller and provides power, driven voller and driving for it
Roller is oppositely disposed in the other end of horizontal stand, and described running board is driving between roller and driven voller
Extending and between two siding tracks of horizontal stand, described treadmill belt is wound around and drives roller and driven
Roller and being laid on described running board；This treadmill also includes two pairs of bearings, and this main frame also wraps
Including the two pairs of bearing blocks being arranged on described horizontal stand, described driving roller and driven voller pass through respectively
Described two pairs of bearings and bearing block are connected on described main frame, and wherein, described treadmill belt tension force is examined
Survey device include multiple pressure sensor, described pressure sensor be arranged on described bearing and bearing block it
Between and be located close to the side of running board central authorities, and wherein, when described driving roller bearing with
The pressure that pressure sensor between bearing block detects is more than bearing and the bearing block of described driven voller
Between the pressure that detects of pressure sensor and difference therebetween more than certain threshold value time,
Described motor speed controller just orders described motor to accelerate；And the axle when described driving roller
Hold pressure that the pressure sensor between bearing block detects less than the bearing of described driven voller and axle
Pressure that pressure sensor between bearing detects and difference therebetween are more than certain threshold value
Time, described motor speed controller just orders described motor deceleration.
Skilled addressee readily understands that, the tension force of treadmill belt can directly be examined
Survey, it is also possible to be applied to drive the active force on roller or driven voller to detect by treadmill belt.Specifically
For, the most under static state or under motion state, as long as treadmill belt is mounted in place,
It will apply certain active force to driving roller and driven voller, and this active force can be directly reflected into
Support and drive roller and the bearing of driven voller and be arranged between the bearing block on horizontal stand.If
Appropriate location between described bearing and bearing block arranges pressure sensor, just can detect driving
Roller and driven voller are applied to the pressure of horizontal stand (being specifically applied to bearing block), such that it is able to
Indirect detection goes out treadmill belt and is applied to drive roller and the pressure of driven voller, and then converses treadmill belt
Tension force.More specifically, in the ideal case, when sporter runs on a treadmill or walks,
Treadmill belt tension force before and after its foothold should be roughly equal.Correspondingly, the treadmill belt before foothold
It is applied to the pressure the most substantially phase driving the treadmill belt after pressure and the foothold of roller to be applied to driven voller
Deng.Therefore, if driving the pressure that the pressure sensor between bearing and the bearing block of roller detects
The pressure detected more than the pressure sensor between bearing and the bearing block of driven voller, then show to fall
Treadmill belt tension force before pin point is more than the treadmill belt tension force after foothold, thus shows that sporter is intended to
Accelerate；Whereas if drive the pressure that the pressure sensor between bearing and the bearing block of roller detects
The pressure that power detects less than the pressure sensor between bearing and the bearing block of driven voller, then show
Treadmill belt tension force before foothold is less than the treadmill belt tension force after foothold, thus shows that sporter anticipates
Figure slows down.It is of course also possible, as described before, owing to different sporters exists individual difference, before foothold
After Tension Difference be possibly different from, therefore reflection is to the difference of the front and back output valve of pressure sensor
On be likely to different.
In the preferred embodiment of above-mentioned treadmill speed change gear, described treadmill belt tension force
Detector includes four pressure sensors, and two of which is arranged on bearing and the bearing of described driving roller
Between Zuo, between two other bearing being arranged on described driven voller and bearing block.
Compared with the technical scheme of above-mentioned direct detection treadmill belt tension force, this employing pressure
Sensor detects the mode of the pressure driving roller and driven voller to be applied to bearing block and can significantly subtract
The quantity of few sensor used.Further, due to described pressure sensor be arranged on driving roller and
Between bearing and the bearing block of driven voller, its stability and durability are obviously higher than and are arranged on running
Treadmill belt tension pick-up on plate.Additionally, from the point of view of from technology maturity, pressure sensor is also
Ripe more a lot of than tension pick-up.
In the preferred embodiment of above-mentioned treadmill speed change gear, this parameter setter collection
Become in described motor speed controller.This integrated both can be physically integrated, i.e. parameter sets
Determine device be arranged on together with motor speed controller in single housing and therefore form an assembly,
Can also be functionally integrated, i.e. parameter setter be as a merit of motor speed controller
Can module and exist.
Accompanying drawing explanation
Understanding the preferred embodiment of the present invention by combining accompanying drawing, the present invention's is above-mentioned
And other feature and advantage will be apparent from, in accompanying drawing:
Fig. 1 is the side schematic view of the treadmill according to the present invention；
Fig. 2 is the functional block diagram of the treadmill speed change gear according to the present invention；
Fig. 3 is showing of the first embodiment of the treadmill speed change gear according to the present invention
It is intended to；
Fig. 4 is showing of the second embodiment of the treadmill speed change gear according to the present invention
It is intended to.
Detailed description of the invention
The detailed description made the preferred embodiment of the present invention with reference to the accompanying drawings is originally
It is merely exemplary in matter, it is not intended that limit invention, its application, or uses.Should be understood that
Although this preferred embodiment discloses various design parameters and the details of the present invention, but
Skilled addressee readily understands that, protection scope of the present invention is not limited to these parameters with thin
Joint, in the case of without departing from the general principle of the present invention, those skilled in the art can be to these
Parameter and details make amendment or equivalent, and the embodiment after revising or replacing also will fall into this
Within the protection domain of invention.
With reference first to Fig. 1, the side that the figure shows the treadmill 1 according to the present invention shows
It is intended to.As it is shown in figure 1, treadmill 1 include main frame 11, motor 12, drive roller 13, from
Action roller 14, running board 15 and treadmill belt 16.Main frame 11 includes column 111 and horizontal stand 112.
Under normal circumstances, column 111 is inclined, and its top is provided with guidance panel, operation
Various button and window it is provided with on panel.Motor 12, driving roller 13 and driven voller 14 are all provided with
Put on the horizontal stand 112 of this main frame 11.Motor 12 is passed by belt with driving roller 13
The mode such as dynamic is connected and provides power for it.As example, motor 12 can be variable-frequency motor,
To adjust its rotating speed as required.Driven voller 14 is oppositely disposed in level with driving roller 13 and props up
The other end (being right side in FIG) of frame 112.Running board 15 is driving roller 13 and driven voller
Extend between 14 and (described not shown in Fig. 1 between two siding tracks of horizontal stand 112
Siding track).Treadmill belt 16 is wound around and drives roller 13 and driven voller 14 and be laid on running board 15.
In operation, sporter 2 stands on treadmill belt 16 and running board 15 and along with treadmill belt
The operating of 16 and step dynamic both legs.
Skilled addressee readily understands that, in the ideal situation, if sporter
2 speed stepping dynamic both legs are just mated with the running speed of treadmill belt 16, when sporter is at treadmill 1
When upper running or walking, the tension force of the treadmill belt 16 before and after its foothold P should be roughly equal.Therefore,
If the treadmill belt tension force before foothold P is more than the treadmill belt tension force after foothold P, then show motion
Person 2 steps the speed running speed more than treadmill belt 16 of dynamic both legs, thus shows that sporter 2 is intended to add
Speed.Whereas if the treadmill belt tension force before foothold P is less than the treadmill belt tension force after foothold P,
Then show that sporter 2 steps the speed running speed less than treadmill belt 16 of dynamic both legs, thus show motion
Person is intended to slow down.Based on this thinking, present inventor devises the running according to the present invention
Machine speed change gear.
Referring to Fig. 2, the figure shows treadmill speed change gear according to the present invention
Functional block diagram.As in figure 2 it is shown, this treadmill speed change gear includes treadmill belt tension detector 102 He
Motor speed controller 101.Treadmill belt tension detector 102 falls for detection sporter's 2 in real time
The treadmill belt tension force of pin point P front and back.Motor speed controller 101 is examined with treadmill belt tension force
Survey device 102 to connect with motor 12, come for the output signal according to treadmill belt tension detector 102
Control the rotating speed of motor 12.Specifically, sporter is detected when treadmill belt tension detector 102
The treadmill belt tension force at the treadmill belt tension force in the foothold P front of 2 and the foothold P rear of sporter 2 it
Between difference when reaching certain threshold value, motor speed controller 101 order motor 12 is accelerated or
Slow down.More specifically, on the one hand, when treadmill belt tension detector 102 detects falling of sporter 2
The treadmill belt tension force in pin point P front is more than the treadmill belt tension force and therebetween at foothold P rear
When difference reaches certain threshold value, motor speed controller 101 accelerates with regard to order motor 12；Another
Aspect, when treadmill belt tension detector 102 detects that the treadmill belt in the foothold P front of sporter 2 is opened
When power reaches certain threshold value less than the treadmill belt tension force at foothold P rear and difference therebetween,
Motor speed controller 101 slows down with regard to order motor 12.
In a preferred embodiment, the tension force difference before and after foothold P calculating and should
Difference is the most all carried out with dependent thresholds in motor speed controller 101, and treadmill belt tension force is examined
Survey device 102 is merely responsible for the tension force of the treadmill belt 16 before and after detection and collection foothold P.Additionally, this
Bright automatic speed regulation operation also relates to motor 12 and treadmill belt 16, the most in broad terms, originally
The treadmill speed change gear of invention also should include treadmill belt 16 and motor 12, but, due to electricity
Motivation 12 and treadmill belt 16 itself are the parts of treadmill 1, the most in this application by the race of the present invention
Step machine speed change gear is described as only including treadmill belt tension detector 102 and motor speed controller
101.Finally it is pointed out that motor speed controller 101 can be any kind of control
Device processed, such as Combinational Logic Control device, microprogram control unit etc., as long as it is able to receive that treadmill belt
Signal that tension detector 102 sends, carry out tension force mathematic interpolation and with the comparison of dependent thresholds and
Variable rate signal can be sent to motor 12.
Referring next to Fig. 3, the figure shows treadmill speed change gear according to the present invention
The schematic diagram of the first embodiment.For the sake of clarity, Fig. 3 eliminates multiple miscellaneous part.?
In this first embodiment, treadmill belt tension detector 102 includes multiple treadmill belt tension pick-up
S1、S2.Treadmill belt tension pick-up S1, S2 are arranged on the running board 15 below treadmill belt 16,
For detecting the tension force at each position of treadmill belt 16.
As it is shown on figure 3, S1 represents the tension pick-up before foothold P of sporter 2,
These sensors are for detecting the tension force of the treadmill belt 16 in foothold P front.S2 represents sporter's 2
Foothold P tension pick-up below, these sensors are for detecting the treadmill belt at foothold P rear
The tension force of 16.Although it is pointed out that about this point and Fig. 3 showing four upfront sensor S1
With six rear sensor S2, but skilled addressee readily understands that, this quantity is only
It is only exemplary.The sum of sensor can change according to concrete application, and S1 and S2
Quantity can change along with the position of foothold P of sporter 2.For example, if moved
Foothold P of person 2 is earlier, and the quantity of S1 may become 3, and the quantity of S2 may become 7,
Vice versa.Additionally, treadmill belt tension pick-up S1, S2 pass preferably by non-contact tension
Sensor, these sensors can be arranged on running board 15 thick and fast, in order to covers treadmill belt 16
Each position, from regardless of whether foothold P of sporter 2 which position on treadmill belt 16, described
Sensor can detect the treadmill belt tension force before and after foothold P of sporter 2 exactly.
Finally refering to Fig. 4, the figure shows treadmill speed change gear according to the present invention
The schematic diagram of the second embodiment.For the sake of clarity, Fig. 4 eliminates multiple miscellaneous part.?
In this second embodiment, treadmill 1 also includes two pairs of bearings 122, and this main frame 11 also includes setting
Put two pairs of bearing blocks 121 on described horizontal stand 112, drive roller 13 and driven voller 14 to lead to respectively
Cross described two pairs of bearings 122 and bearing block 121 is connected on main frame 11 (be specifically connected to level
On support 112).Further, treadmill belt tension detector 102 includes multiple pressure sensor P1, P2,
Described pressure sensor is arranged between described bearing 122 and bearing block 121 and is located close to run
The side of plate 15 central authorities, in order to detection treadmill belt 16 is applied to axle by driving roller 13 and driven voller 14
Pressure in bearing 121.Specifically, the pressure between bearing 122 and the bearing block 121 driving roller 13
The pressure that force snesor P1 detects is more than the pressure between bearing 122 and the bearing block 121 of driven voller 14
When pressure that force snesor P2 detects and difference therebetween are more than certain threshold value, motor
Rotational speed governor 101 accelerates with regard to order motor 12.Otherwise, when the bearing 122 and the axle that drive roller 13
The pressure that pressure sensor P1 between bearing 121 detects is less than bearing 122 and the axle of driven voller 14
Pressure that pressure sensor P2 between bearing 121 detects and difference therebetween are more than one
When determining threshold value, motor speed controller 101 slows down with regard to order motor 12.
In a preferred embodiment, the treadmill speed change gear of the present invention includes four pressure
Sensor, i.e. two sensor P1 and two sensor P2.Two sensor P1 are arranged on driving roller
Between bearing 122 and the bearing block 121 of 13, two other sensor P2 is arranged on the axle of driven voller 14
Hold between 122 and bearing block 121.
In preferred embodiment, the treadmill speed change gear of the present invention also includes ginseng
Number setting apparatus (not shown).This parameter setter is for when sporter 2 initially sets foot on treadmill 1
Read the testing result of treadmill belt tension detector 102 and set special according to described testing result
Tension threshold or pressure threshold in this sporter 2.Additionally, this parameter setter can turn with motor
Speed controller 101 is integrated into parts.
It is known that individual difference, its foothold P can be there is between different sporters
Treadmill belt Tension Difference front and back is possibly different from.Therefore, for each sporter, above-mentioned
Threshold value in each technical scheme is likely to different.Such as, for some sporter, its
Like at ordinary times being pulled running or walking, the race before its foothold P under normal circumstances by treadmill belt 16
Step belt tension is significantly less than the treadmill belt tension force after foothold P, even if hastening one's steps to accelerate,
Treadmill belt tension force before its foothold P is likely to the treadmill belt tension force after being slightly less than foothold P.Consider
To this situation, it is necessary to set different tension force or pressure threshold for different sporters.This
The above-mentioned parameter setting apparatus of invention can be within a bit of time that sporter initially sets foot on treadmill 1
Read the testing result of treadmill belt tension detector 102, calculate according to this testing result and be applicable to this
The various tension force of sporter 2 or pressure threshold, thus use described in follow-up automatic speed regulation operation
Threshold value judges acceleration and/or the deceleration intention of sporter 2.
Alternatively, the treadmill speed change gear of the present invention can also provide not for sporter 2
Same threshold options.For example, it is possible to provide at least three kinds of threshold options: advanced option, normally select
Item and delayed option.The sporter that advanced option is applicable to like pedaling treadmill belt running i.e. likes
Stepping the leg speed sporter higher than treadmill belt running speed, normal option is applicable to without special hobby
Sporter, delayed option is applicable to like being pulled, by treadmill belt, the sporter run and i.e. likes advanced in years
Leg speed is less than the sporter of treadmill belt running speed.
Although describing technical scheme with reference to preferred embodiment, but this
Skilled person is it is easily understood that protection scope of the present invention is not limited to these specifically in fact
Execute mode, in the case of without departing from the general principle of the present invention, can to described embodiment with
And concrete technical characteristic therein carries out splitting, combine or changing, after splitting, combine or changing
Technical scheme will fall under the scope of the present invention.
Claims (5)
1. a treadmill speed change gear, it is characterised in that including:
Treadmill belt tension detector, it is for the real-time foothold front and back detecting sporter
Treadmill belt tension force；And
Motor speed controller, itself and described treadmill belt tension detector and the electricity of described treadmill
Motivation connects, for controlling described electronic according to the output signal of described treadmill belt tension detector
The rotating speed of machine,
Wherein, the running in the foothold front of sporter is detected when described treadmill belt tension detector
Belt tension reaches certain threshold value more than treadmill belt tension force and the difference therebetween at foothold rear
Time, described motor speed controller just orders described motor to accelerate,
Wherein, the running in the foothold front of sporter is detected when described treadmill belt tension detector
Belt tension reaches certain threshold value less than treadmill belt tension force and the difference therebetween at foothold rear
Time, described motor speed controller just orders described motor deceleration,
Described device also includes parameter setter, and this parameter setter is for initially setting foot on sporter
Read the testing result of described treadmill belt tension detector during treadmill and come according to described testing result
Set tension threshold or the pressure threshold being exclusively used in this sporter.
Treadmill speed change gear the most according to claim 1, it is characterised in that described running
Belt tension detector includes multiple treadmill belt tension pick-up, and described treadmill belt tension pick-up is arranged
On running board below the treadmill belt of described treadmill, for detecting opening of each position of treadmill belt
Power.
Treadmill speed change gear the most according to claim 1, it is characterised in that this treadmill
Including main frame, described motor, drive roller, driven voller, described running board and described treadmill belt,
This main frame includes that column and horizontal stand, described motor and driving roller are arranged on this main frame
One end of horizontal stand, described motor with drive roller be connected and for its provide power, driven voller and
Driving roller to be oppositely disposed in the other end of horizontal stand, described running board is driving roller and driven voller
Between extend and between two siding tracks of horizontal stand, described treadmill belt be wound around drive roller and
Driven voller and being laid on described running board,
This treadmill also includes two pairs of bearings, and this main frame also includes being arranged on described horizontal stand
Two pairs of bearing blocks, described driving roller and driven voller are respectively by described two pairs of bearings and bearing block even
Receive on described main frame,
Wherein, described treadmill belt tension detector includes multiple pressure sensor, described pressure sensing
Device is arranged between described bearing and bearing block and is located close to the side of running board central authorities, and
Wherein, the pressure that the pressure sensor between bearing and the bearing block of described driving roller detects
Power more than the pressure that detects of pressure sensor between bearing and the bearing block of described driven voller and
Therebetween, when difference is more than certain threshold value, described motor speed controller just orders described electricity
Motivation is accelerated；And the pressure sensor between bearing and the bearing block of described driving roller detects
Pressure less than the pressure that detects of pressure sensor between bearing and the bearing block of described driven voller
And when difference therebetween is more than certain threshold value, described motor speed controller is with regard to order institute
State motor deceleration.
Treadmill speed change gear the most according to claim 3, it is characterised in that described running
Belt tension detector includes four pressure sensors, and two of which is arranged on the bearing of described driving roller
And between bearing block, between two other bearing being arranged on described driven voller and bearing block.
Treadmill speed change gear the most according to claim 1, it is characterised in that this parameter sets
Determine device to be integrated in described motor speed controller.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410577957.2A CN104288966B (en) | 2014-10-24 | 2014-10-24 | Treadmill speed change gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410577957.2A CN104288966B (en) | 2014-10-24 | 2014-10-24 | Treadmill speed change gear |
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| CN104288966A CN104288966A (en) | 2015-01-21 |
| CN104288966B true CN104288966B (en) | 2016-08-24 |
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| CN201410577957.2A Expired - Fee Related CN104288966B (en) | 2014-10-24 | 2014-10-24 | Treadmill speed change gear |
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| CN113058208B (en) * | 2021-04-08 | 2023-05-26 | 上海厘成智能科技有限公司 | Control method of omnidirectional virtual reality running machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5368532A (en) * | 1993-02-03 | 1994-11-29 | Diversified Products Corporation | Treadmill having an automatic speed control system |
| KR100373599B1 (en) * | 2000-01-20 | 2003-02-26 | 임정수 | Treadmill Having a Walking Belt Whose Running Speed is Automatically Adjusted |
| CN201492864U (en) * | 2009-08-28 | 2010-06-02 | 山东凤凰健身器材有限公司 | Electric treadmill capable of automatic speed regulation |
| CN101874921A (en) * | 2009-04-30 | 2010-11-03 | 徐开国 | Automatic speed regulation method and device of treadmill |
| CN204073261U (en) * | 2014-10-24 | 2015-01-07 | 河北工程大学 | Treadmill speed change gear |
-
2014
- 2014-10-24 CN CN201410577957.2A patent/CN104288966B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5368532A (en) * | 1993-02-03 | 1994-11-29 | Diversified Products Corporation | Treadmill having an automatic speed control system |
| KR100373599B1 (en) * | 2000-01-20 | 2003-02-26 | 임정수 | Treadmill Having a Walking Belt Whose Running Speed is Automatically Adjusted |
| CN101874921A (en) * | 2009-04-30 | 2010-11-03 | 徐开国 | Automatic speed regulation method and device of treadmill |
| CN201492864U (en) * | 2009-08-28 | 2010-06-02 | 山东凤凰健身器材有限公司 | Electric treadmill capable of automatic speed regulation |
| CN204073261U (en) * | 2014-10-24 | 2015-01-07 | 河北工程大学 | Treadmill speed change gear |
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| CN104288966A (en) | 2015-01-21 |
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