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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Abstract
本发明提供一种物体转速测量方法及电子设备，电子设备固定于绕定轴转动的物体上，以测量物体的转速，电子设备包括重力感应模块，检测重力感应模块的加速度值；分析模块，根据加速度值以及重力感应模块距离定轴的垂直距离分析得出物体的转速。通过将一具有重力感应模块的电子设备固定于绕定轴旋转的物体上，根据重力感应模块测得的加速度以及重力感应模块距离物体的定轴的垂直距离，得出物体的转速，可以方便、准确的测量出各种做定轴运动的物体的转速。
The invention provides a method for measuring the rotational speed of an object and an electronic device. The electronic device is fixed on an object rotating around a fixed axis to measure the rotational speed of the object. The electronic device includes a gravity sensing module to detect the acceleration value of the gravity sensing module; The acceleration value and the vertical distance between the gravity sensing module and the fixed axis are analyzed to obtain the rotation speed of the object. By fixing an electronic device with a gravity sensing module on an object that rotates around a fixed axis, according to the acceleration measured by the gravity sensing module and the vertical distance between the gravity sensing module and the fixed axis of the object, the speed of the object can be obtained, which can be convenient, Accurately measure the rotational speed of various objects that do fixed axis motion.
Description
技术领域technical field
本发明涉及一种测量方法，特别是涉及一种测量绕定轴转动的物体的转速的方法。The invention relates to a measuring method, in particular to a method for measuring the rotational speed of an object rotating around a fixed axis.
背景技术Background technique
在现实生活中，我们经常需要方便的测量某物体的转速，以得到一些有价值的数据，例如测量人体的手臂在跑步时摆动的转速，以分析得出人体在运动一定时间后消耗的能量大小，以帮助人们对运动量的掌控，所以设计出一种方便携带且操作简单的转速测量仪器是具有非常大的实际应用价值的。In real life, we often need to conveniently measure the rotational speed of an object in order to obtain some valuable data, such as measuring the rotational speed of the human arm swinging while running, to analyze the amount of energy consumed by the human body after exercising for a certain period of time. , to help people control the amount of exercise, so it is of great practical application value to design a speed measuring instrument that is convenient to carry and easy to operate.
发明内容SUMMARY OF THE INVENTION
鉴于以上所述现有技术的缺点，本发明的目的在于提供一种物体转速测量方法及电子设备，用于解决现有技术中不能方便的测量绕定轴旋转的物体的转速的问题。In view of the above-mentioned shortcomings of the prior art, the purpose of the present invention is to provide a method for measuring the rotational speed of an object and an electronic device for solving the problem that the rotational speed of an object rotating around a fixed axis cannot be conveniently measured in the prior art.
为实现上述目的及其他相关目的，本发明提供一种电子设备，固定于绕定轴转动的物体上，以测量所述物体的转速，包括：重力感应模块，测量其所处位置的加速度值；分析模块，根据所述加速度值以及所述重力感应模块距离所述定轴的垂直距离分析得出所述物体的转速。In order to achieve the above purpose and other related purposes, the present invention provides an electronic device, which is fixed on an object rotating around a fixed axis to measure the rotational speed of the object, including: a gravity sensing module to measure the acceleration value of its position; The analysis module analyzes and obtains the rotational speed of the object according to the acceleration value and the vertical distance between the gravity sensing module and the fixed axis.
可选的，所述电子设备包括：两个所述重力感应模块，且所述定轴在两个所述重力感应模块的连线的延长线上，以分别检测两个所述重力感应模块处的加速度值；分析模块，根据两个所述重力感应模块处的加速度值以及两个所述重力感应模块距离所述定轴的垂直距离，分析得出所述物体的转速。Optionally, the electronic device includes: two gravity sensing modules, and the fixed axis is on an extension line connecting the two gravity sensing modules, so as to detect the positions of the two gravity sensing modules respectively. The analysis module analyzes and obtains the rotational speed of the object according to the acceleration values at the two gravity sensing modules and the vertical distance between the two gravity sensing modules and the fixed axis.
可选的所述分析模块对在多个预设时间周期点分析得到的多组所述转速其取平均值，以得到平均转速。Optionally, the analysis module takes an average value of the plurality of sets of rotational speeds obtained by analysis at a plurality of preset time periods to obtain an average rotational speed.
可选的，所述电子设备还具有报警模块，当所述物体转速大于一转速阈值时，发送报警信号。Optionally, the electronic device further has an alarm module, which sends an alarm signal when the rotational speed of the object is greater than a rotational speed threshold.
可选的，所述报警信号为语音信号。Optionally, the alarm signal is a voice signal.
可选的，所述电子设备为手机、MP3、以及掌上电脑中的一种。Optionally, the electronic device is one of a mobile phone, an MP3 player, and a handheld computer.
可选的，所述电子设备具有显示屏，用以显示所述重力感应模块的加速度值和/或所述物体的转速。Optionally, the electronic device has a display screen for displaying the acceleration value of the gravity sensing module and/or the rotational speed of the object.
为实现上述目的及其他相关目的，本发明还提供一种物体转速测量方法，所述物体绕定轴转动，包括如下步骤：将一具有重力感应模块的电子设备固定于所述物体上；令所述重力感应模块测量其所处位置的加速度值；所述电子设备根据所述加速度值以及所述重力感应模块距离所述定轴的垂直距离分析得出所述物体的转速。In order to achieve the above purpose and other related purposes, the present invention also provides a method for measuring the rotational speed of an object, wherein the object rotates around a fixed axis, including the following steps: fixing an electronic device with a gravity sensing module on the object; The gravity sensing module measures the acceleration value of its position; the electronic device analyzes and obtains the rotational speed of the object according to the acceleration value and the vertical distance between the gravity sensing module and the fixed axis.
可选的，所述物体转速测量方法包括如下步骤：将具有两个重力感应模块的电子设备固定于所述物体上，且所述定轴在两个所述重力感应模块的连线的延长线上；分别令两个所述重力感应模块测量其所处位置的加速度值；所述电子设备根据两个所述重力感应模块处的加速度值以及两个所述重力感应模块距离所述定轴的垂直距离，分析得出所述物体的转速。Optionally, the method for measuring the rotational speed of an object includes the following steps: fixing an electronic device with two gravity sensing modules on the object, and the fixed axis is on an extension line connecting the two gravity sensing modules. respectively; let the two gravity sensing modules measure the acceleration values of their positions; the electronic device is based on the acceleration values at the two gravity sensing modules and the distance between the two gravity sensing modules from the fixed axis Vertical distance, the analysis yields the rotational speed of the object.
可选的，所述电子设备具有显示屏，用以显示所述重力感应模块的加速度值和/或所述物体的转速。Optionally, the electronic device has a display screen for displaying the acceleration value of the gravity sensing module and/or the rotational speed of the object.
如上所述，本发明的一种物体转速测量方法及电子设备，通过将一具有重力感应模块的电子设备至于绕定轴旋转的物体上，根据所述重力感应模块测得的加速度以及重力感应模块距离物体的定轴的垂直距离，得出物体的转速，可以方便、准确的测量出各种做定轴运动的物体的转速。As described above, a method for measuring the rotational speed of an object and an electronic device of the present invention, by placing an electronic device with a gravity sensing module on an object rotating around a fixed axis, according to the acceleration measured by the gravity sensing module and the gravity sensing module The vertical distance from the fixed axis of the object can be used to obtain the rotating speed of the object, which can conveniently and accurately measure the rotating speed of various objects with fixed axis motion.
附图说明Description of drawings
图1显示为本发明的一种电子设备的模块结构示意图。FIG. 1 is a schematic diagram of a module structure of an electronic device of the present invention.
图2显示为应用本发明的电子设备及物体转速测量方法测量物体转速的应用原理示意图。FIG. 2 is a schematic diagram showing the application principle of measuring the rotational speed of an object by applying the electronic device and the method for measuring the rotational speed of an object of the present invention.
图3显示为应用本发明的一种物体转速测量方法的流程示意图。FIG. 3 shows a schematic flow chart of a method for measuring the rotational speed of an object applying the present invention.
元件标号说明Component label description
1、2 电子设备1.2 Electronic equipment
11、A、B 重力感应模块11. A, B gravity sensor module
12 分析模块12 Analysis Modules
3 转盘3 Turntable
31 定轴31 Fixed axis
S11～S13 步骤Steps S11～S13
具体实施方式Detailed ways
以下由特定的具体实施例说明本发明的实施方式，熟悉此技术的人士可由本说明书所揭露的内容轻易地了解本发明的其他优点及功效。The embodiments of the present invention are described below by specific embodiments, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.
请参阅图1至图3。须知，本说明书所附图式所绘示的结构、比例、大小等，均仅用以配合说明书所揭示的内容，以供熟悉此技术的人士了解与阅读，并非用以限定本发明可实施的限定条件，故不具技术上的实质意义，任何结构的修饰、比例关系的改变或大小的调整，在不影响本发明所能产生的功效及所能达成的目的下，均应仍落在本发明所揭示的技术内容得能涵盖的范围内。同时，本说明书中所引用的如“上”、“下”、“左”、“右”、“中间”及“一”等的用语，亦仅为便于叙述的明了，而非用以限定本发明可实施的范围，其相对关系的改变或调整，在无实质变更技术内容下，当亦视为本发明可实施的范畴。See Figures 1 through 3. It should be noted that the structures, proportions, sizes, etc. shown in the drawings in this specification are only used to cooperate with the contents disclosed in the specification, so as to be understood and read by those who are familiar with the technology, and are not used to limit the implementation of the present invention. Restricted conditions, it does not have technical substantive significance, any structural modification, proportional relationship change or size adjustment, without affecting the effect that the present invention can produce and the purpose that can be achieved, should still fall within the present invention. The disclosed technical content must be within the scope of coverage. At the same time, the terms such as "up", "down", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description and clarity, and are not used to limit this specification. The implementable scope of the invention, and the change or adjustment of the relative relationship thereof, shall also be regarded as the implementable scope of the present invention without substantially changing the technical content.
本发明利用将一具有重力感应模块的电子设备至于绕定轴旋转的物体上，以计算得出所述物体的转速，利用的原理为：在物体进行定轴转动时需要提供向心力，向心力大小与物体质量、转速和物体转动半径有关。将重力感应模块固定在转动物体上后，感应器测得的加速度值与向心力所产生的加速度大小相等。The invention uses an electronic device with a gravity sensing module on an object rotating around a fixed axis to calculate the rotation speed of the object. The principle used is: when the object rotates on a fixed axis, a centripetal force needs to be provided, and the magnitude of the centripetal force is equal to The mass of the object, the speed of rotation and the radius of the object's rotation are related. After the gravity sensing module is fixed on the rotating object, the acceleration value measured by the sensor is equal to the acceleration generated by the centripetal force.
所述电子设备例如为智能手机、MP3等便携电子设备，请参阅图1，显示为本发明的一种电子设备的模块结构示意图。在进行转速测量时，将所述电子设备1固定于绕定轴转动的物体上，以测量所述物体的转速，所述电子设备1包括重力感应模块11和分析模块12。The electronic device is, for example, a portable electronic device such as a smart phone and an MP3 player. Please refer to FIG. 1 , which is a schematic diagram of a module structure of an electronic device according to the present invention. When performing rotational speed measurement, the electronic device 1 is fixed on an object rotating around a fixed axis to measure the rotational speed of the object. The electronic device 1 includes a gravity sensing module 11 and an analysis module 12 .
所述重力感应模块11检测加速度值。The gravity sensing module 11 detects the acceleration value.
所述分析模块12根据所述加速度值以及所述重力感应模块11距离所述定轴的垂直距离分析得出所述物体的转速。The analysis module 12 analyzes and obtains the rotational speed of the object according to the acceleration value and the vertical distance between the gravity sensing module 11 and the fixed axis.
优选的而非必要的，在另一实施例中，所述分析模块12对在多个预设时间周期点分析得到的多组所述转速其取平均值，以得到平均转速，可以得到更加精确的转速值。Preferably but not necessarily, in another embodiment, the analysis module 12 averages the multiple sets of the rotational speeds analyzed at multiple preset time periods to obtain the average rotational speed, which can be more accurate speed value.
优选的，所述电子设备1还具有报警模块，当所述物体转速大于一转速阈值时，生成报警信号。所述报警信号例如为语音信号。Preferably, the electronic device 1 further has an alarm module, which generates an alarm signal when the rotational speed of the object is greater than a rotational speed threshold. The alarm signal is, for example, a voice signal.
可选的，更优选的所述电子设备1还具有显示屏，用以显示所述重力感应模块11的加速度值和/或所述物体的转速。Optionally, more preferably, the electronic device 1 further has a display screen for displaying the acceleration value of the gravity sensing module 11 and/or the rotational speed of the object.
在具体实现时，所述重力感应模块可以为一个或多个，当所述重力感应模块为两个时，请参阅图2，显示应用本发明的电子设备测量物体转速的应用原理示意图，所述电子设备2中具有两个重力感应模块，分别为重力感应模块A和重力感应模块B，所述电子设备固定于绕定轴31旋转运动的转盘3上，且所述定轴在所述重力感应模块A和所述重力感应模块B的连线的延长线上，以分别检测所述重力感应模块A处的加速度值a和所述重力感应模块B处的加速度值b；所述电子设备2具有分析模块，根据所述加速度值a和所述加速度值b以及两个所述重力感应模块A何B距离所述定轴31的垂直距离，分析得出所述转盘3的转速。具体为：In specific implementation, the gravity sensing module may be one or more. When the gravity sensing module is two, please refer to FIG. 2 , which shows a schematic diagram of the application principle of measuring the rotational speed of an object by applying the electronic device of the present invention. The electronic device 2 has two gravity sensing modules, namely, a gravity sensing module A and a gravity sensing module B. The electronic device is fixed on the turntable 3 that rotates around a fixed axis 31, and the fixed axis is located in the gravity sensing module. On the extension line of the connection between the module A and the gravity sensing module B, to detect the acceleration value a at the gravity sensing module A and the acceleration value b at the gravity sensing module B respectively; the electronic device 2 has The analysis module analyzes and obtains the rotational speed of the turntable 3 according to the acceleration value a, the acceleration value b, and the vertical distances between the two gravity sensing modules A and B from the fixed axis 31 . Specifically:
所以所述重力感应模块A测得的加速度值为a，且所述重力感应模块A距离所述定轴31的垂直距离为r1，则a＝w2r1。Therefore, the acceleration value measured by the gravity sensing module A is a, and the vertical distance between the gravity sensing module A and the fixed axis 31 is r 1 , then a=w 2 r 1 .
同理所述重力感应模块B测得的加速度值为b，且所述重力感应模块B距离所述定轴31的垂直距离为r2，则b＝w2r2。Similarly, the acceleration value measured by the gravity sensing module B is b, and the vertical distance between the gravity sensing module B and the fixed axis 31 is r 2 , then b=w 2 r 2 .
两个所述重力感应模块A何B距离所述定轴31的垂直距离之差为一定值l，即r2-r1＝l，所以有即得到所述转盘3的转速w。The difference between the vertical distances between the two gravity sensing modules A and B from the fixed axis 31 is a certain value l, that is, r 2 -r 1 =l, so there is That is, the rotational speed w of the turntable 3 is obtained.
当在另一实施例中，所述重力感应模块为一个时，可以先测出近距离所述物体的转轴较近距离点的加速度，在所述转轴和所述重力感应模块的连线上往较远处移动所述电子设备，再测量较远距离点的加速度，再根据对如图2所示的实施例阐述的类似方法即可计算出所述物体的转速，这样还可以测出所述物体打开的角速度。In another embodiment, when there is one gravity sensing module, the acceleration of the object at a relatively close distance to the rotating shaft of the object can be measured first, and then the acceleration can be measured on the connection line between the rotating shaft and the gravity sensing module. Move the electronic device farther away, then measure the acceleration of the farther point, and then calculate the rotational speed of the object according to the similar method described for the embodiment shown in FIG. The angular velocity at which the object opens.
本发明还提供了一种物体转速测量方法，请参阅图3，显示为应用本发明的一种物体转速测量方法的流程示意图。所述物体绕定轴转动，所述物体转速测量方法包括如下步骤：The present invention also provides a method for measuring the rotational speed of an object. Please refer to FIG. 3 , which is a schematic flowchart of a method for measuring the rotational speed of an object applying the present invention. The object rotates around a fixed axis, and the method for measuring the rotational speed of the object includes the following steps:
S11：将一具有重力感应模块的电子设备固定于所述物体上。S11: Fix an electronic device with a gravity sensing module on the object.
S12：令所述重力感应模块测量其所处位置的加速度值。S12: Let the gravity sensing module measure the acceleration value of the position where it is located.
S13：所述电子设备根据所述加速度值以及所述重力感应模块距离所述定轴的垂直距离分析得出所述物体的转速。S13: The electronic device analyzes and obtains the rotational speed of the object according to the acceleration value and the vertical distance between the gravity sensing module and the fixed axis.
优选的而非必要的，在另一实施例中，所述电子设备对在多个预设时间周期点分析得到的多组所述转速其取平均值，以得到平均转速，可以得到更加精确的转速值。Preferably but not necessarily, in another embodiment, the electronic device averages multiple sets of the rotational speeds obtained by analysis at multiple preset time periods to obtain the average rotational speed, which can obtain a more accurate speed value.
优选的，所述方法还包括步骤：当所述电子设备检测到所述物体的转速大于一转速阈值时，生成报警信号。所述报警信号例如为语音信号。更优选的，所述电子设备具有显示屏，用以显示所述重力感应模块的加速度值和/或所述物体的转速。Preferably, the method further includes the step of: generating an alarm signal when the electronic device detects that the rotational speed of the object is greater than a rotational speed threshold. The alarm signal is, for example, a voice signal. More preferably, the electronic device has a display screen for displaying the acceleration value of the gravity sensing module and/or the rotational speed of the object.
在具体实现时，所述重力感应模块可以为一个或多个，当所述重力感应模块为两个时，请参阅图2，显示为应用本发明的物体转速测量方法测量物体转速的应用原理示意图，所述电子设备2中具有两个重力感应模块，分别为重力感应模块A和重力感应模块B，所述电子设备2固定于绕定轴31旋转运动的转盘3上，且所述定轴在所述重力感应模块A和所述重力感应模块B的连线的延长线上，以分别检测所述重力感应模块A处的加速度值a和所述重力感应模块B处的加速度值b；所述电子设备2具有分析模块，根据所述加速度值a和所述加速度值b以及两个所述重力感应模块A何B距离所述定轴31的垂直距离，分析得出所述转盘3的转速。具体为：In specific implementation, the gravity sensing module may be one or more. When the gravity sensing module is two, please refer to FIG. 2 , which is a schematic diagram of the application principle of measuring the rotating speed of an object by applying the method for measuring the rotating speed of an object of the present invention. , the electronic device 2 has two gravity sensing modules, namely gravity sensing module A and gravity sensing module B, the electronic device 2 is fixed on the turntable 3 rotating around the fixed axis 31, and the fixed axis is in On the extension line of the connection line between the gravity sensing module A and the gravity sensing module B, respectively detect the acceleration value a at the gravity sensing module A and the acceleration value b at the gravity sensing module B; the The electronic device 2 has an analysis module, which analyzes and obtains the rotation speed of the turntable 3 according to the acceleration value a, the acceleration value b, and the vertical distances between the two gravity sensing modules A and B from the fixed axis 31 . Specifically:
所以所述重力感应模块A测得的加速度值为a，且所述重力感应模块A距离所述定轴31的垂直距离为r1，则a＝w2r1。Therefore, the acceleration value measured by the gravity sensing module A is a, and the vertical distance between the gravity sensing module A and the fixed axis 31 is r 1 , then a=w 2 r 1 .
同理所述重力感应模块B测得的加速度值为b，且所述重力感应模块B距离所述定轴31的垂直距离为r2，则b＝w2r2。Similarly, the acceleration value measured by the gravity sensing module B is b, and the vertical distance between the gravity sensing module B and the fixed axis 31 is r 2 , then b=w 2 r 2 .
两个所述重力感应模块A何B距离所述定轴31的垂直距离之差为一定值l，即r2-r1＝l，所以有即得到所述转盘3的转速w。The difference between the vertical distances between the two gravity sensing modules A and B from the fixed axis 31 is a certain value l, that is, r 2 -r 1 =l, so there is That is, the rotational speed w of the turntable 3 is obtained.
当在另一实施例中，所述重力感应模块为一个时，可以先测出近距离所述物体的转轴较近距离点的加速度，在所述转轴和所述重力感应模块的连线上往较远处移动所述电子设备，再测量较远距离点的加速度，再根据对如图2所示的实施例阐述的类似方法即可计算出所述物体的转速，这样还可以测出所述物体打开的角速度。In another embodiment, when there is one gravity sensing module, the acceleration of the object at a relatively close distance to the rotating shaft of the object can be measured first, and then the acceleration can be measured on the connection line between the rotating shaft and the gravity sensing module. Move the electronic device farther away, then measure the acceleration of the farther point, and then calculate the rotational speed of the object according to the similar method described for the embodiment shown in FIG. The angular velocity at which the object opens.
如上所述，本发明的测量物体转速的方法及电子设备，通过将一具有重力感应模块的电子设备至于绕定轴旋转的物体上，根据所述重力感应模块测得的加速度以及重力感应模块距离物体的定轴的垂直距离，得出物体的转速，可以方便、准确的测量出各种做定轴运动的物体的转速。As mentioned above, the method and electronic device for measuring the rotational speed of an object of the present invention, by placing an electronic device with a gravity sensing module on an object rotating around a fixed axis, according to the acceleration measured by the gravity sensing module and the distance of the gravity sensing module The vertical distance of the fixed axis of the object can be used to obtain the rotational speed of the object, which can conveniently and accurately measure the rotational speed of various objects with fixed axis motion.
综上所述，本发明提出的一种物体转速测量方法及电子设备，通过将一具有重力感应模块的电子设备至于绕定轴旋转的物体上，根据所述重力感应模块测得的加速度以及重力感应模块距离物体的定轴的垂直距离，得出物体的转速，可以方便、准确的测量出各种做定轴运动的物体的转速。所以，本发明有效克服了现有技术中的种种缺点而具高度产业利用价值。To sum up, a method for measuring the rotational speed of an object and an electronic device proposed by the present invention, by placing an electronic device with a gravity sensing module on an object rotating around a fixed axis, according to the acceleration and gravity measured by the gravity sensing module The vertical distance between the sensing module and the fixed axis of the object can be used to obtain the rotating speed of the object, which can conveniently and accurately measure the rotating speed of various objects with fixed axis motion. Therefore, the present invention effectively overcomes various shortcomings in the prior art and has high industrial utilization value.
上述实施例仅例示性说明本发明的原理及其功效，而非用于限制本发明。任何熟悉此技术的人士皆可在不违背本发明的精神及范畴下，对上述实施例进行修饰或改变。因此，举凡所属技术领域中具有通常知识者在未脱离本发明所揭示的精神与技术思想下所完成的一切等效修饰或改变，仍应由本发明的权利要求所涵盖。The above-mentioned embodiments merely illustrate the principles and effects of the present invention, but are not intended to limit the present invention. Anyone skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the technical field without departing from the spirit and technical idea disclosed in the present invention should still be covered by the claims of the present invention.
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