CN104502622B - A kind of object rotating speed measurement method and electronic equipment - Google Patents
A kind of object rotating speed measurement method and electronic equipment Download PDFInfo
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- CN104502622B CN104502622B CN201410785072.1A CN201410785072A CN104502622B CN 104502622 B CN104502622 B CN 104502622B CN 201410785072 A CN201410785072 A CN 201410785072A CN 104502622 B CN104502622 B CN 104502622B
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- 238000000691 measurement method Methods 0.000 title claims abstract description 17
- 230000005484 gravity Effects 0.000 claims abstract description 96
- 230000001133 acceleration Effects 0.000 claims abstract description 50
- 230000006698 induction Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
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Abstract
The present invention provides a kind of object rotating speed measurement method and electronic equipment, electronic equipment are fixed on the object of fixed-axis rotation, and to measure the revolving speed of object, electronic equipment includes gravity sensing module, detects the acceleration value of gravity sensing module；Analysis module, the vertical range analysis according to acceleration value and gravity sensing module apart from dead axle obtain the revolving speed of object.By being fixed on an electronic equipment with gravity sensing module on the object of System of Rotating about Fixed Axis, the vertical range of dead axle of the acceleration and gravity sensing module measured according to gravity sensing module apart from object, the revolving speed for obtaining object can be convenient, accurately measure the various revolving speeds for doing the objects that dead axle moves.
Description
Technical field
The present invention relates to a kind of measurement method, a kind of sides of the revolving speed of the object more particularly to measurement around fixed-axis rotation
Method.
Background technique
In real life, we are frequently necessary to easily measure the revolving speed of object, to obtain some valuable numbers
According to, such as the revolving speed that the arm of human body is swung in running is measured, obtain human body in movement certain time post consumption to analyze
Energy size, to help control of the people to amount of exercise, so designing a kind of be convenient for carrying and tachometric survey easy to operate
Instrument has very big practical application value.
Summary of the invention
In view of the foregoing deficiencies of prior art, the purpose of the present invention is to provide a kind of object rotating speed measurement method and
Electronic equipment, the revolving speed for solving the problems, such as that the object around System of Rotating about Fixed Axis can not easily be measured in the prior art.
In order to achieve the above objects and other related objects, the present invention provides a kind of electronic equipment, is fixed on around fixed-axis rotation
Object on, to measure the revolving speed of the object, comprising: gravity sensing module measures the acceleration value of its present position；Analysis
Module, the vertical range analysis according to the acceleration value and the gravity sensing module apart from the dead axle obtain the object
The revolving speed of body.
Optionally, the electronic equipment includes: two gravity sensing modules, and the dead axle is in two gravity
On the extended line of the line of induction module, to detect the acceleration value at two gravity sensing modules respectively；Analysis module,
According to acceleration value and two gravity sensing modules the hanging down apart from the dead axle at two gravity sensing modules
Straight distance, analysis obtain the revolving speed of the object.
Optional analysis module revolving speed described in the multiple groups obtained in multiple preset period of time point analysis its make even
Mean value, to obtain mean speed.
Optionally, the electronic equipment also has alarm module, when the object revolving speed is greater than a rotary speed threshold value, sends
Alarm signal.
Optionally, the alarm signal is voice signal.
Optionally, the electronic equipment is one of mobile phone, MP3 and palm PC.
Optionally, the electronic equipment have display screen, to show the gravity sensing module acceleration value and/or
The revolving speed of the object.
In order to achieve the above objects and other related objects, the present invention also provides a kind of object rotating speed measurement method, the objects
Body includes the following steps: for an electronic equipment with gravity sensing module to be fixed on the object around fixed-axis rotation；Enable institute
State the acceleration value that gravity sensing module measures its present position；The electronic equipment is according to the acceleration value and described heavy
Vertical range analysis of the power induction module apart from the dead axle obtains the revolving speed of the object.
Optionally, the object rotating speed measurement method includes the following steps: the electronics that will have there are two gravity sensing module
Equipment is fixed on the object, and the dead axle is on the extended line of the line of two gravity sensing modules；It enables respectively
Two gravity sensing modules measure the acceleration value of its present position；The electronic equipment is according to two gravity sensings
The vertical range of acceleration value and two gravity sensing modules apart from the dead axle at module, analysis obtain the object
The revolving speed of body.
Optionally, the electronic equipment have display screen, to show the gravity sensing module acceleration value and/or
The revolving speed of the object.
As described above, a kind of object rotating speed measurement method of the invention and electronic equipment, by the way that there is gravity sensing by one
The electronic equipment of module is as on the object of System of Rotating about Fixed Axis, the acceleration and gravity that are measured according to the gravity sensing module
The vertical range of dead axle of the induction module apart from object, obtains the revolving speed of object, can be convenient, accurately measures and various determine
The revolving speed of the object of axis movement.
Detailed description of the invention
Fig. 1 is shown as the modular structure schematic diagram of a kind of electronic equipment of the invention.
Fig. 2 is shown as the application principle using electronic equipment of the invention and object rotating speed measurement method measurement object revolving speed
Schematic diagram.
Fig. 3 is shown as the flow diagram using a kind of object rotating speed measurement method of the invention.
Component label instructions
1,2 electronic equipment
11, A, B gravity sensing module
12 analysis modules
3 turntables
31 dead axles
S11~S13 step
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book is understood other advantages and efficacy of the present invention easily.
It please refers to Fig.1 to Fig.3.It should be clear that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to
Cooperate the revealed content of specification, so that those skilled in the art understands and reads, being not intended to limit the invention can be real
The qualifications applied, therefore do not have technical essential meaning, the tune of the modification of any structure, the change of proportionate relationship or size
It is whole, in the case where not influencing the effect of present invention can be generated and the purpose that can reach, it should all still fall in disclosed skill
Art content obtains in the range of capable of covering.Meanwhile in this specification it is cited as "upper", "lower", "left", "right", " centre " and
The term of " one " etc. is merely convenient to being illustrated for narration, rather than to limit the scope of the invention, relativeness
It is altered or modified, under the content of no substantial changes in technology, when being also considered as the enforceable scope of the present invention.
The present invention is utilized an electronic equipment with gravity sensing module as on the object of System of Rotating about Fixed Axis, to calculate
The revolving speed for obtaining the object, the principle utilized are as follows: need to provide centripetal force, centripetal force size when object carries out fixed-axis rotation
It is related with mass of object, revolving speed and the object radius of gyration.After gravity sensing module is fixed on article for rotation, inductor is measured
Acceleration value it is equal with acceleration magnitude caused by centripetal force.
The electronic equipment is, for example, the mancarried electronic aids such as smart phone, MP3, referring to Fig. 1, being shown as of the invention
The modular structure schematic diagram of a kind of electronic equipment.When carrying out tachometric survey, the electronic equipment 1 is fixed on around fixed-axis rotation
Object on, to measure the revolving speed of the object, the electronic equipment 1 includes gravity sensing module 11 and analysis module 12.
The gravity sensing module 11 detects acceleration value.
The analysis module 12 hanging down apart from the dead axle according to the acceleration value and the gravity sensing module 11
Straight distance analysis obtains the revolving speed of the object.
Preferred and non-essential, in another embodiment, the analysis module 12 is in multiple preset period of time points
Analyzing revolving speed described in obtained multiple groups, it is averaged, to obtain mean speed, available more accurate tachometer value.
Preferably, the electronic equipment 1 also has alarm module, raw when the object revolving speed is greater than a rotary speed threshold value
At alarm signal.The alarm signal is, for example, voice signal.
Optionally, the preferred electronic equipment 1 also has display screen, to show the gravity sensing module 11
The revolving speed of acceleration value and/or the object.
In specific implementation, the gravity sensing module can be one or more, when the gravity sensing module is two
When a, referring to Fig. 2, application principle schematic diagram of the display using electronic equipment measurement object revolving speed of the invention, the electronics
For tool there are two gravity sensing module, respectively gravity sensing modules A and gravity sensing module B, the electronic equipment is solid in equipment 2
Due on the turntable 3 around 31 rotary motion of dead axle, and the dead axle is in the gravity sensing modules A and the gravity sensing module
On the extended line of the line of B, to detect the acceleration value a and the gravity sensing module B at the gravity sensing modules A respectively
The acceleration value b at place；The electronic equipment 2 has analysis module, according to the acceleration value a and acceleration value b and
What vertical range of the B apart from the dead axle 31 of two gravity sensing modules As, analysis obtain the revolving speed of the turntable 3.Specifically
Are as follows:
So the acceleration value that the gravity sensing modules A measures is a, and the gravity sensing modules A is apart from described fixed
The vertical range of axis 31 is r1, then a=w2r1。
The acceleration value that similarly the gravity sensing module B is measured is b, and the gravity sensing module B is apart from described fixed
The vertical range of axis 31 is r2, then b=w2r2。
How the difference of vertical range of the B apart from the dead axle 31 is certain value l, i.e. r to two gravity sensing modules As2-r1
=l, so havingObtain the revolving speed w of the turntable 3.
When in another embodiment, when the gravity sensing module is one, the closely object can be first measured
The acceleration of shaft closer distance point, it is past on the line of the shaft and the gravity sensing module remotely to move the electricity
Sub- equipment, then the acceleration compared with distant points is measured, it can be counted further according to the similar approach of embodiment elaboration as shown in Figure 2
The revolving speed of the object is calculated, the angular speed that the object is opened can also be measured in this way.
The present invention also provides a kind of object rotating speed measurement methods, referring to Fig. 3, being shown as using a kind of object of the invention
The flow diagram of body rotating speed measurement method.The Objects around A fixed-axis rotation, the object rotating speed measurement method include following step
It is rapid:
S11: an electronic equipment with gravity sensing module is fixed on the object.
S12: the gravity sensing module is enabled to measure the acceleration value of its present position.
S13: the electronic equipment hanging down apart from the dead axle according to the acceleration value and the gravity sensing module
Straight distance analysis obtains the revolving speed of the object.
Preferred and non-essential, in another embodiment, the electronic equipment is in multiple preset period of time points minute
Analysing revolving speed described in obtained multiple groups, it is averaged, to obtain mean speed, available more accurate tachometer value.
Preferably, the method also includes steps: when the electronic equipment detects that the revolving speed of the object is greater than one turn
When fast threshold value, alarm signal is generated.The alarm signal is, for example, voice signal.It is shown it is furthermore preferred that the electronic equipment has
Display screen, to show the acceleration value of the gravity sensing module and/or the revolving speed of the object.
In specific implementation, the gravity sensing module can be one or more, when the gravity sensing module is two
When a, referring to Fig. 2, being shown as the application principle signal using object rotating speed measurement method measurement object revolving speed of the invention
Scheme, there are two gravity sensing module, respectively gravity sensing modules A and gravity sensing module B, institutes for tool in the electronic equipment 2
It states electronic equipment 2 to be fixed on the turntable 3 of 31 rotary motion of dead axle, and the dead axle is in the gravity sensing modules A and institute
On the extended line for stating the line of gravity sensing module B, to detect acceleration value a and the institute at the gravity sensing modules A respectively
State the acceleration value b at gravity sensing module B；The electronic equipment 2 has analysis module, according to the acceleration value a and institute
Acceleration value b and two gravity sensing modules As what vertical range of the B apart from the dead axle 31 are stated, analysis obtains described
The revolving speed of turntable 3.Specifically:
So the acceleration value that the gravity sensing modules A measures is a, and the gravity sensing modules A is apart from described fixed
The vertical range of axis 31 is r1, then a=w2r1。
The acceleration value that similarly the gravity sensing module B is measured is b, and the gravity sensing module B is apart from described fixed
The vertical range of axis 31 is r2, then b=w2r2。
How the difference of vertical range of the B apart from the dead axle 31 is certain value l, i.e. r to two gravity sensing modules As2-r1
=l, so havingObtain the revolving speed w of the turntable 3.
When in another embodiment, when the gravity sensing module is one, the closely object can be first measured
The acceleration of shaft closer distance point, it is past on the line of the shaft and the gravity sensing module remotely to move the electricity
Sub- equipment, then the acceleration compared with distant points is measured, it can be counted further according to the similar approach of embodiment elaboration as shown in Figure 2
The revolving speed of the object is calculated, the angular speed that the object is opened can also be measured in this way.
As described above, the method and electronic equipment of measurement object revolving speed of the invention, by the way that there is gravity sensing mould by one
The electronic equipment of block is as the acceleration and gravity-feed tank measured on the object of System of Rotating about Fixed Axis according to the gravity sensing module
It answers module to obtain the revolving speed of object apart from the vertical range of the dead axle of object, can be convenient, accurately measures and various do dead axle
The revolving speed of the object of movement.
In conclusion a kind of object rotating speed measurement method proposed by the present invention and electronic equipment, by the way that there is gravity by one
The electronic equipment of induction module as the acceleration on the object of System of Rotating about Fixed Axis, measured according to the gravity sensing module and
The vertical range of dead axle of the gravity sensing module apart from object, obtains the revolving speed of object, can be convenient, accurately measure it is various
Do the revolving speed of the object of dead axle movement.So the present invention effectively overcomes various shortcoming in the prior art and has high industrial
Utility value.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should be covered by the claims of the present invention.
Claims (7)
1. a kind of electronic equipment, which is characterized in that it is fixed on the object of fixed-axis rotation, to measure the revolving speed of the object,
Include:
Two gravity sensing modules, to detect the acceleration value at the gravity sensing module respectively, and the dead axle is at two
On the extended line of the line of the gravity sensing module；
Analysis module, according to the acceleration value and two gravity sensing module distances at two gravity sensing modules
The vertical range of the dead axle, analysis obtain the revolving speed of the object；Specifically, the acceleration that the gravity sensing modules A measures
Angle value is a, and vertical range of the gravity sensing modules A apart from the dead axle is r1, then a=w2r1；The similarly gravity-feed tank
The acceleration value for answering module B to measure is b, and vertical range of the gravity sensing module B apart from the dead axle is r2, then b=
w2r2；The difference of the vertical range of two gravity sensing modules As and B apart from the dead axle is certain value l, i.e. r2-r1=l,
So havingObtain the revolving speed w of the object；
Analysis module revolving speed described in the multiple groups obtained in multiple preset period of time point analysis is averaged, to be put down
Equal revolving speed.
2. electronic equipment according to claim 1, it is characterised in that: the electronic equipment also has alarm module, works as institute
When stating object revolving speed greater than a rotary speed threshold value, alarm signal is generated.
3. electronic equipment according to claim 2, it is characterised in that: the alarm signal is voice signal.
4. electronic equipment according to claim 1, it is characterised in that: the electronic equipment is mobile phone, MP3 and palm
One of computer.
5. electronic equipment according to claim 1, it is characterised in that: the electronic equipment has display screen, to show
The acceleration value of the gravity sensing module and/or the revolving speed of the object.
6. a kind of object rotating speed measurement method, it is characterised in that: the Objects around A fixed-axis rotation includes the following steps:
By tool, there are two the electronic equipments of gravity sensing module to be fixed on the object, and the dead axle is in two gravity
On the extended line of the line of induction module；
Two gravity sensing modules are enabled to measure the acceleration value of its present position respectively；
The electronic equipment is according to the acceleration value and two gravity sensing modules at two gravity sensing modules
Vertical range apart from the dead axle, analysis obtain the revolving speed of the object；
Specifically, the acceleration value that the gravity sensing modules A measures is a, and the gravity sensing modules A is apart from the dead axle
Vertical range be r1, then a=w2r1；The acceleration value that similarly the gravity sensing module B is measured is b, and the gravity sensing
Vertical range of the module B apart from the dead axle is r2, then b=w2r2；Two gravity sensing modules As and B are apart from described fixed
The difference of the vertical range of axis is certain value l, i.e. r2-r1=l, so havingObtain the revolving speed of the object
w；
Analysis module revolving speed described in the multiple groups obtained in multiple preset period of time point analysis is averaged, to be put down
Equal revolving speed.
7. object rotating speed measurement method according to claim 6, it is characterised in that: the electronic equipment has display screen,
To show the acceleration value of the gravity sensing module and/or the revolving speed of the object.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410785072.1A CN104502622B (en) | 2014-12-16 | 2014-12-16 | A kind of object rotating speed measurement method and electronic equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410785072.1A CN104502622B (en) | 2014-12-16 | 2014-12-16 | A kind of object rotating speed measurement method and electronic equipment |
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| Publication Number | Publication Date |
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| CN104502622A CN104502622A (en) | 2015-04-08 |
| CN104502622B true CN104502622B (en) | 2019-06-25 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106226548A (en) * | 2016-08-05 | 2016-12-14 | 安庆庆荣企业管理咨询有限责任公司 | The device of horizontal low speed rotation rotating speed is measured based on cloud computing |
| CN106422340A (en) * | 2016-10-11 | 2017-02-22 | 北京希格玛和芯微电子技术有限公司 | Toy gyro, terminal equipment and toy gyro system |
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2014
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS53105210A (en) * | 1973-04-16 | 1978-09-13 | Rca Corp | Closed loop type speed corrector |
| JPH0333659A (en) * | 1989-06-30 | 1991-02-13 | Toshiba Corp | Apparatus for measuring number of rotations |
| CN1991371A (en) * | 2005-12-29 | 2007-07-04 | 财团法人工业技术研究院 | Sensing device for detecting straight line and arc motions |
| CN101395479A (en) * | 2006-03-15 | 2009-03-25 | 西门子公司 | Wind turbine and method determining at least one rotation parameter of a wind turbine rotor |
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| CN104502622A (en) | 2015-04-08 |
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