CN102302359A - Device for detecting center of gravity - Google Patents
Device for detecting center of gravity Download PDFInfo
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- CN102302359A CN102302359A CN201110188651A CN201110188651A CN102302359A CN 102302359 A CN102302359 A CN 102302359A CN 201110188651 A CN201110188651 A CN 201110188651A CN 201110188651 A CN201110188651 A CN 201110188651A CN 102302359 A CN102302359 A CN 102302359A
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Abstract
The invention discloses a device for detecting the center of gravity, which comprises two unilateral sensing platforms fixedly arranged on a detection platform, wherein each unilateral sensing platform comprises a base plate, a foot petal and four pressure sensors which are arranged on the foot petal and located on the front left side, the rear left side, the front right side and the rear right side of the unilateral sensing platform respectively. The reasonable arrangement of the pressure sensors can ensure reasonable pressure deformation, so as to truly reflect the results of center-of-gravity detection.
Description
Technical field
The present invention relates to be used for the center of gravity checkout gear of balance detection.
Background technology
The reasonable distribution of the pressure transducer on the center of gravity checkout gear is very important, and the pressure transducer on the market has one, two, three distribution now.
As shown in Figure 1; In the time of with a pressure transducer 11; When measuring foot force, can only measure the integral pressure situation; Can not detect the slight change situation all around at human body sole position respectively, select the sole measuring table of a pressure transducer of this use, the center of gravity of total balance of the body changes and the track situation all can not accurately be measured.The barycenter trajectory area situation of this force plate/platform is not very clear that a pressure transducer can not accurately be measured these measured values, and just regarding the human foot as a monoblock considers that its precision is not high, does not also meet the distribution situation of human foot's strength.
As shown in Figure 2, in the time of with two pressure transducers 11, can not guarantee very to measure accurately the left front, left back, right front of human body sole position, the distribution situation of right back lower pressure.Human body is when center of gravity changes; Such as the people when doing exercises; The variation all around of the barycenter trajectory that occurs, as trickle the opening eyes of human body, the action of closing one's eyes also can distribute at the lower pressure of human body and change; Such pick off distribution situation just can not well detect the data under these situation.
As shown in Figure 3, in the time of with three pressure transducers 11, at pick off of forward part utilization of foot; Carry out the detection of pressure at heel position for two pick offs of utilization, such pick off distribution situation makes measurement precision about rear heel when carrying out balancing a survey; The forefoot position does not have and can accurately measure, and the just whole strength with forefoot detects, and the vola that obtains is left front; The data at right front each position are not detailed, and such error strengthens very much.
In with a pick off; The detected just whole lower strength of its force plate/platform and change than centre of gravity; Human body trickle total balance of the body state when doing exercises that measures that can not be concrete, and whole platform do not have the cushion space of given strength like this will make force plate/platform pressurized always; Very great error appears in the long-time data inaccuracy that obtains of using.When using two pick offs; Just consider that simply human body is than the centre of gravity position; But there is not to expect when measuring human body than centre of gravity changes and human body is done action direct correlation; The data that obtain just when total balance of the body is tested to foot in front and back the data during motion change, but do not have to reach the trickle property that the sole of human body when carrying out whole fortune merit different conditions all around, occurs, accuracy data situation.In three pick offs of utilization, the situation of appearance is exactly that the inaccurate of data can appear in the variation trickle in the left and right sides of forefoot.
Summary of the invention
The present invention provides a kind of center of gravity checkout gear, and the rational deployment pressure transducer guarantees rational pressure distortion, thereby truly reflects the center of gravity testing result.
In order to achieve the above object; The present invention provides a kind of center of gravity checkout gear; This center of gravity checkout gear comprises two one-sided sensing platforms that are fixedly installed on the detection platform, and each one-sided sensing platform comprises base plate, pedal, and is installed in the pressure transducer on the pedal;
Described pressure transducer has four, is separately positioned on the left front of one-sided sensing platform, and is left back, right front, right back position.
After the bottom of described pressure transducer is provided with spring steel plate, again pressure transducer is fixed on the base plate.
Described pedal comprises header board and back plate, and header board is provided with plate junction, back and reserves the space.
Described header board adopts short slab, and back plate adopts long slab, and short slab is 44 percent of a whole plate length.
Rational deployment pressure transducer of the present invention guarantees rational pressure distortion, thereby truly reflects the center of gravity testing result.
Description of drawings
Fig. 1～Fig. 3 is the pressure transducer layout of center of gravity checkout gear in the background technology;
Fig. 4 is the structure chart of the one-sided sensing platform of a kind of center of gravity checkout gear provided by the invention;
Fig. 5 is the side view of Fig. 4;
Fig. 6 is the layout of the pressure transducer of a kind of center of gravity checkout gear provided by the invention.
The specific embodiment
Following according to Fig. 4～Fig. 6, specify preferred embodiment of the present invention.
Like Fig. 4 and shown in Figure 5; A kind of center of gravity checkout gear provided by the invention; Comprise two one-sided sensing platforms 1 that are fixedly installed on the detection platform, each one-sided sensing platform 1 comprises base plate 101, pedal, and is installed in the pressure transducer 103 on the pedal.
After the bottom of described pressure transducer 103 is provided with spring steel plate, pressure transducer 103 is fixed on the base plate 101, pressure transducer separated with the base plate contact surface after spring steel plate guaranteed pressure distortion again.
Described pedal comprises header board 1021 and back plate 1022; Header board 1021 is provided with plate 1022 junctions, back and reserves space (as shown in Figure 5); Forming the pressure distortion space, is in order to have stepped on normal pressure distortion space at human body, to have guaranteed to gather after perfect person's body signal; Pedal can quickly recover to the situation that is not stressed when leaving, pressurized not when making pressure transducer idle.
Described header board 1021 adopts short slab, and back plate 1022 adopts long slab, and short slab is 44 percent of a whole plate length.
As shown in Figure 6, described pressure transducer 103 has four, is separately positioned on the left front of one-sided sensing platform, and is left back, right front, right back position.
The distribution situation of this pick off be center of gravity according to human body at 44% place whole apart from heel, be distributed with the pressure portion all around that four pick offs can accurately be measured the human foot, the variation of center of gravity.
The testee that is used in of four pressure transducers opens eyes when closing one's eyes, and can detect to swing area, barycenter trajectory length, the displacement of center of gravity situation of change in the swing process etc. near the real center of human body.The toe position is different with heel position pressure condition, and requirement will have pressure transducer at the position of correspondence, could meet the human body actual value most like this.Four pressure transducers will reflect the front, rear, left and right drift condition of single limbs really.
Four pressure transducers are all concentrated and are fixed in the one-sided sensing platform, and independently one-sided sensing platform is fixed on the whole detection platform again, have guaranteed that the precision of pressure transducer and normal deformation do not receive to fix and influence.
For making pressure transducer measure the strength at sole position and the situation of change of center of gravity more accurately; It is left front to adopt four pressure transducers that distribute to measure single foot sole; Left back; Right front, the situation of right back each pressure, the trickle variation of position of centre of gravity can detect the variation of its position in real time.When human body normal stand position, when closing one's eyes, center of gravity has certain position and moves, and uses four pressure transducers and can make the stressing conditions at each position of a foot of accurate measurement.The input of somatosensory system and visual information is unpunctual, and vestibule can play an important role, and trickle like this pressure changes or the change of center of gravity is wanted and can be reflected at the equilibrium function difficulty measurement, has therefore used four pressure transducers and has distributed.The design of length pedal; Show according to scientific data to be divided into 100 equal portions to the human foot that center of gravity is on the mid point of the heel trailing edge line terminal to middle toe, apart from 44 parts of places of heel trailing edge; Be divided into front and back two parts to pedal, short slab is 44 percent of a whole plate length.Can accurately measure the big or small variation of foot's strength with this sole pedal that designs, the moving range of the barycenter trajectory at human body sole position, the center of gravity swing outer circumferential area error of using four pressure transducers to obtain is reduced to minimum.The result of final balance test is near people's truth, and when carrying out the assessment of equilibrium function obstacle, it is best that the effect of training can reach.
The variation of number of sensors all can have tangible influence to the signal of force plate/platform and the effect of sensing, and it is the most rational using four pick offs, and the data that draw when carrying out balancing a survey also are near the human body actual value; The reasonable distribution of four pick offs; Be divided into four parts to the sole of human body, will have more accurately drawn the variation of gravity center of human body's track, the variation of gravity center of human body's movement locus; The variation of position of centre of gravity obtains the genuine numerical value that will measure of human body.Therefore, inside on the dynamometry balancer four pressure transducers that distribute, the sole that has guaranteed human body all around the DATA REASONING at four positions near the numerical value of human body.
Although content of the present invention has been done detailed introduction through above-mentioned preferred embodiment, will be appreciated that above-mentioned description should not be considered to limitation of the present invention.After those skilled in the art have read foregoing, for multiple modification of the present invention with to substitute all will be conspicuous.Therefore, protection scope of the present invention should be limited appended claim.
Claims (4)
1. center of gravity checkout gear; It is characterized in that; This center of gravity checkout gear comprises two the one-sided sensing platforms (1) that are fixedly installed on the detection platform, and each one-sided sensing platform (1) comprises base plate (101), pedal, and is installed in the pressure transducer (103) on the pedal;
Described pressure transducer (103) has four, is separately positioned on the left front of one-sided sensing platform, and is left back, right front, right back position.
2. center of gravity checkout gear as claimed in claim 1 is characterized in that, after the bottom of described pressure transducer (103) is provided with spring steel plate, pressure transducer (103) is fixed on the base plate (101) again.
3. center of gravity checkout gear as claimed in claim 1 is characterized in that, described pedal comprises header board (1021) and back plate (1022), and header board (1021) and plate (1022) junction, back are provided with reserves the space.
4. center of gravity checkout gear as claimed in claim 3 is characterized in that, described header board (1021) adopts short slab, and back plate (1022) adopts long slab, and short slab is 44 percent of a whole plate length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110188651A CN102302359A (en) | 2011-07-07 | 2011-07-07 | Device for detecting center of gravity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110188651A CN102302359A (en) | 2011-07-07 | 2011-07-07 | Device for detecting center of gravity |
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| CN102302359A true CN102302359A (en) | 2012-01-04 |
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| CN201110188651A Pending CN102302359A (en) | 2011-07-07 | 2011-07-07 | Device for detecting center of gravity |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103230278A (en) * | 2013-04-07 | 2013-08-07 | 哈尔滨工程大学 | Foot board device for measuring foot applied force |
| CN103251420A (en) * | 2013-04-26 | 2013-08-21 | 哈尔滨工程大学 | Pedal for detecting foot applied force and foot applied force detection device |
| CN104757984A (en) * | 2015-04-23 | 2015-07-08 | 泰山医学院 | Gravity center locating device for testing plantar pressure |
| CN105435423A (en) * | 2014-08-22 | 2016-03-30 | 明跃国际健康科技股份有限公司 | Method for detecting and reminding trampling actions of human body lower limbs |
| CN105795602A (en) * | 2016-03-10 | 2016-07-27 | 师汉民 | Foot sole and foot shape scanning method |
| CN114360128A (en) * | 2022-01-05 | 2022-04-15 | 重庆聚简科技有限公司 | Shower control system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101088461A (en) * | 2006-06-16 | 2007-12-19 | 松下电工株式会社 | Balance measuring device |
| CN101171500A (en) * | 2005-05-06 | 2008-04-30 | 布赖恩·F·穆尼 | Measurement and analysis of foot related forces during a golf swing |
| CN201248696Y (en) * | 2008-06-24 | 2009-06-03 | 王培勇 | Body balance detecting instrument |
-
2011
- 2011-07-07 CN CN201110188651A patent/CN102302359A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101171500A (en) * | 2005-05-06 | 2008-04-30 | 布赖恩·F·穆尼 | Measurement and analysis of foot related forces during a golf swing |
| CN101088461A (en) * | 2006-06-16 | 2007-12-19 | 松下电工株式会社 | Balance measuring device |
| CN201248696Y (en) * | 2008-06-24 | 2009-06-03 | 王培勇 | Body balance detecting instrument |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103230278A (en) * | 2013-04-07 | 2013-08-07 | 哈尔滨工程大学 | Foot board device for measuring foot applied force |
| CN103251420A (en) * | 2013-04-26 | 2013-08-21 | 哈尔滨工程大学 | Pedal for detecting foot applied force and foot applied force detection device |
| CN105435423A (en) * | 2014-08-22 | 2016-03-30 | 明跃国际健康科技股份有限公司 | Method for detecting and reminding trampling actions of human body lower limbs |
| CN105435423B (en) * | 2014-08-22 | 2018-02-13 | 明跃国际健康科技股份有限公司 | Detecting and the method for prompting human body lower limbs trample action |
| CN104757984A (en) * | 2015-04-23 | 2015-07-08 | 泰山医学院 | Gravity center locating device for testing plantar pressure |
| CN105795602A (en) * | 2016-03-10 | 2016-07-27 | 师汉民 | Foot sole and foot shape scanning method |
| CN105795602B (en) * | 2016-03-10 | 2019-07-23 | 师汉民 | The scan method of vola and sufficient type |
| CN114360128A (en) * | 2022-01-05 | 2022-04-15 | 重庆聚简科技有限公司 | Shower control system |
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Application publication date: 20120104 |