CN110411632A - Characteristic Analysis System for Rotating Devices - Google Patents
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Abstract
一种转动装置的特性分析系统，其用以取得转动机械效率，该转动装置的特性分析系统包含马达装置、转矩传感器、转动机械、输出功率感测单元及计算单元，该马达装置的电功率感测单元用以感测输入该马达装置的电源的输入电功率，该转矩传感器分别连接该马达装置及该转动机械，该转矩传感器用以感测该转动机械的马达实际输出功率，该输出功率感测单元用以感测该转动机械的机械输出功率，该计算单元根据该马达实际输出功率及该输入电功率求得该马达装置的马达实际效率，以及根据该马达实际输出功率及该机械输出功率求得该转动机械的该转动机械效率，使用者能借由该马达实际效率及该转动机械效率判断是否更换该马达装置或该转动机械。
A characteristic analysis system for a rotating device is used to obtain the efficiency of a rotating machine. The characteristic analysis system for the rotating device includes a motor device, a torque sensor, a rotating machine, an output power sensing unit and a calculation unit. The electric power sensing unit of the motor device is used to sense the input electric power of the power supply input to the motor device. The torque sensor is connected to the motor device and the rotating machine respectively. The torque sensor is used to sense the actual motor output power of the rotating machine. The output power sensing unit is used to sense the mechanical output power of the rotating machine. The calculation unit obtains the actual motor efficiency of the motor device based on the actual motor output power and the input electric power, and obtains the rotating mechanical efficiency of the rotating machine based on the actual motor output power and the mechanical output power. The user can determine whether to replace the motor device or the rotating machine based on the actual motor efficiency and the rotating mechanical efficiency.
Description
技术领域technical field
本发明是关于一种特性分析系统，特别是关于一种转动装置的特性分 析系统。The present invention relates to a characteristic analysis system, in particular to a characteristic analysis system of a rotating device.
背景技术Background technique
习知的转动机械(如泵浦)的效率是以马达铭牌所标示的效率去计算泵 浦的效率，然当该泵浦的效率不同于预期的效率时，并无法了解是马达的 实际效率与铭牌所标示的效率是否相同，更无法了解该马达与该泵浦的个 别实际效率，因此当发现该泵浦的效率与预期的效率有差异时，只能更换 该马达或该泵浦，直到该泵浦的效率与预期的效率相同，其明显不符经济 利益，此外也无法随时掌控该泵浦或该马达因损耗而造成效率降低的问题。The efficiency of conventional rotating machinery (such as pumps) is calculated from the efficiency marked on the motor nameplate. However, when the efficiency of the pump is different from the expected efficiency, it is impossible to understand the difference between the actual efficiency of the motor and the efficiency of the pump. Whether the efficiency marked on the nameplate is the same, let alone the individual actual efficiency of the motor and the pump, so when the efficiency of the pump is found to be different from the expected efficiency, the motor or the pump can only be replaced until the The efficiency of the pump is the same as expected, which is obviously not in the economic interest, and there is no way to control the loss of efficiency of the pump or the motor at any time.
发明内容Contents of the invention
本发明的一种转动装置的特性分析系统，其主要目的用以确认被马达 装置带动的转动机械的转动机械效率及该马达装置的实际效率，以供使用 者判断是否更换该马达装置或该转动机械。The characteristic analysis system of a rotating device of the present invention is mainly used to confirm the rotating mechanical efficiency of the rotating machine driven by the motor device and the actual efficiency of the motor device, so that the user can judge whether to replace the motor device or the rotating device. mechanical.
本发明的一种转动装置的特性分析系统包含马达装置、转矩传感器、 转动机械、输出功率感测单元及计算单元，该马达装置具有转动单元及电 功率感测单元，该转动单元接收电源，该电功率感测单元用以感测该电源 的输入电功率，该转矩传感器连接该转动单元，该转矩传感器用以感测该 转动单元的马达实际输出功率，该转动机械连接该转矩传感器，该转矩传 感器带动该转动机械转动，该输出功率感测单元用以感测该转动机械的机械输出功率，该计算单元电性连接该电功率感测单元、该转矩传感器及该 输出功率感测单元，以接收该输入电功率、该马达实际输出功率及该机械 输出功率，其中该计算单元根据该马达实际输出功率及该输入电功率计算 出该马达装置的马达实际效率，并根据该机械输出功率及该马达实际输出 功率求得该转动机械的转动机械效率。A characteristic analysis system of a rotating device of the present invention includes a motor device, a torque sensor, a rotating machine, an output power sensing unit and a calculation unit, the motor device has a rotating unit and an electric power sensing unit, the rotating unit receives power, the The electric power sensing unit is used to sense the input electric power of the power supply, the torque sensor is connected to the rotating unit, the torque sensor is used to sense the actual output power of the motor of the rotating unit, the rotating machine is connected to the torque sensor, the The torque sensor drives the rotating machine to rotate, the output power sensing unit is used to sense the mechanical output power of the rotating machine, and the calculation unit is electrically connected to the electric power sensing unit, the torque sensor and the output power sensing unit , to receive the input electric power, the actual output power of the motor and the mechanical output power, wherein the calculation unit calculates the actual motor efficiency of the motor device according to the actual output power of the motor and the input electric power, and calculates the actual efficiency of the motor of the motor device according to the mechanical output power and the The actual output power of the motor is used to obtain the rotary mechanical efficiency of the rotary machine.
所述的转动装置的特性分析系统，其中该电功率感测单元是侦测该电 源的电压及电流以测得该输入电功率。The characteristic analysis system of the rotating device, wherein the electric power sensing unit detects the voltage and current of the power supply to measure the input electric power.
所述的转动装置的特性分析系统，其中该转矩传感器是侦测该转动单 元的转速及转矩以测得该马达实际输出功率。The characteristic analysis system of the rotating device, wherein the torque sensor detects the rotational speed and torque of the rotating unit to measure the actual output power of the motor.
所述的转动装置的特性分析系统，其中该转动机械选自于泵浦、齿轮 箱或风机，当该转动机械为泵浦时该输出功率感测单元侦测该泵浦推动 的流体的流体压力及流体流量以测得该机械输出功率，当该转动机械为 齿轮箱时，该输出功率感测单元侦测该齿轮箱的转矩及转速以测得该机 械输出功率，当该转动机械为风机时，该输出功率感测单元侦测该风机 推动的流体的流体压力及流体流量以测得该机械输出功率。The characteristic analysis system of the rotating device, wherein the rotating machine is selected from a pump, a gearbox or a fan, and when the rotating machine is a pump, the output power sensing unit detects the fluid pressure of the fluid driven by the pump and fluid flow to measure the mechanical output power. When the rotating machinery is a gearbox, the output power sensing unit detects the torque and speed of the gearbox to measure the mechanical output power. When the rotating machinery is a fan When, the output power sensing unit detects the fluid pressure and fluid flow of the fluid driven by the fan to measure the mechanical output power.
所述的转动装置的特性分析系统，其中该计算单元借由该输入电功率 及该机械输出功率计算系统总效率。The characteristic analysis system of the rotating device, wherein the calculation unit calculates the total efficiency of the system by the input electric power and the mechanical output power.
所述的转动装置的特性分析系统，其中该系统总效率的计算式为：The characteristic analysis system of the rotating device, wherein the calculation formula of the total efficiency of the system is:
其中ηt为该系统总效率，Wm为该机械输出功率，Wi为该输入电功率。Among them, η t is the total efficiency of the system, W m is the mechanical output power, and W i is the input electric power.
所述的转动装置的特性分析系统，其中该马达实际效率的计算式为：The characteristic analysis system of the rotating device, wherein the calculation formula of the actual efficiency of the motor is:
其中ηM为该马达实际效率，WM为该马达实际输出功率，Wi为该输入电 功率。Wherein η M is the actual efficiency of the motor, W M is the actual output power of the motor, and W i is the input electric power.
所述的转动装置的特性分析系统，其中该系统总效率的计算式为：The characteristic analysis system of the rotating device, wherein the calculation formula of the total efficiency of the system is:
ηt为该系统总效率，Wm为该机械输出功率，Wi为该输入电功率；η t is the total efficiency of the system, W m is the mechanical output power, and W i is the input electric power;
马达实际效率的计算式为：The formula for calculating the actual efficiency of the motor is:
ηM为该马达实际效率，WM为该马达实际输出功率，Wi为该输入电功率；η M is the actual efficiency of the motor, W M is the actual output power of the motor, and W i is the input electric power;
该马达实际效率的计算式为：The formula for calculating the actual efficiency of the motor is:
ηm为该转动机械效率。 ηm is the rotational mechanical efficiency.
所述的转动装置的特性分析系统，其中该转动机械效率的计算式为：The characteristic analysis system of the rotating device, wherein the formula for calculating the efficiency of the rotating machine is:
其中ηm为该转动机械效率，WM为该马达实际输出功率，Wm为该机械 输出功率。Wherein η m is the rotating mechanical efficiency, W M is the actual output power of the motor, and W m is the mechanical output power.
本发明的该计算单元根据该马达实际输出功率及该输入电功率计算该 马达装置的该马达实际效率，以及该计算单元根据该机械输出功率及该马 达实际输出功率计算出该转动机械的该转动机械效率，以利用户判断该马 达装置或该转动机械是否效率降低，或者判断实际效率是否与铭牌所标示 的效率不同，此外其有利于使用者随时掌控该转动机械或该马达装置是否 因损耗而造成效率降低。The calculating unit of the present invention calculates the motor actual efficiency of the motor device according to the actual output power of the motor and the input electric power, and the calculating unit calculates the rotating mechanical efficiency of the rotating machine based on the mechanical output power and the actual output power of the motor Efficiency, so that the user can judge whether the efficiency of the motor device or the rotating machine is reduced, or judge whether the actual efficiency is different from the efficiency indicated on the nameplate. In addition, it is helpful for the user to keep track of whether the rotating machine or the motor device is caused by wear and tear. Reduced efficiency.
附图说明Description of drawings
图1：本发明的转动装置的特性分析系统示意图。Fig. 1: Schematic diagram of the characteristic analysis system of the rotating device of the present invention.
【主要元件符号说明】[Description of main component symbols]
100:转动装置的特性分析系统 110:马达装置100: Characteristic analysis system of rotating device 110: Motor device
111:转动单元 112:电功率感测单元111: rotating unit 112: electric power sensing unit
120:转矩传感器 130:转动机械120: torque sensor 130: rotating machinery
140:输出功率感测单元 150:计算单元140: output power sensing unit 150: computing unit
具体实施方式Detailed ways
请参阅图1，本发明的一种转动装置的特性分析系统100包含马达装置 110、转矩传感器120、转动机械130、输出功率感测单元140及计算单元150， 其中该马达装置110、该转矩传感器120及该转动机械130相互连接，该转矩 传感器120连接该马达装置110，该转动机械130连接该转矩传感器120，在 一实施例中，是以连轴器(图未绘出)连接该马达装置110的转轴及该转矩传 感器120的转轴，以及以另一连轴器(图未绘出)连接该转动机械130的转轴 及该转矩传感器120的该转轴，以使该马达装置110的该转轴、该转矩传感 器120的该转轴及该转动机械130的该转轴，能同步转动，但不以此为限。Please refer to FIG. 1, a characteristic analysis system 100 of a rotating device of the present invention includes a motor device 110, a torque sensor 120, a rotating machine 130, an output power sensing unit 140 and a computing unit 150, wherein the motor device 110, the rotating device The torque sensor 120 and the rotating machine 130 are connected to each other, the torque sensor 120 is connected to the motor device 110, and the rotating machine 130 is connected to the torque sensor 120. In one embodiment, a coupling (not shown) Connect the rotating shaft of the motor device 110 and the rotating shaft of the torque sensor 120, and connect the rotating shaft of the rotating machine 130 and the rotating shaft of the torque sensor 120 with another coupling (not shown), so that the motor device The rotating shaft of 110 , the rotating shaft of the torque sensor 120 and the rotating shaft of the rotating machine 130 can rotate synchronously, but not limited thereto.
请参阅图1，该马达装置110具有转动单元111及电功率感测单元112， 电源电性连接该马达装置110，该转动单元111接收该电源并转动，该电功 率感测单元112用以感测该电源的输入电功率Wi，在本实施例中，该电功率 感测单元112是侦测该电源的电压及电流以测得该输入电功率Wi。Please refer to FIG. 1, the motor device 110 has a rotating unit 111 and an electric power sensing unit 112, the power supply is electrically connected to the motor device 110, the rotating unit 111 receives the power and rotates, and the electric power sensing unit 112 is used to sense the The input electric power W i of the power supply. In this embodiment, the electric power sensing unit 112 detects the voltage and current of the power supply to measure the input electric power W i .
请参阅图1，在本实施例中，该转矩传感器120连接该转动单元111，该 转矩传感器120用以感测该转动单元111的马达实际输出功率WM，在本实施 例中，该转矩传感器120是侦测该转动单元111的转速及转矩以测得该马达 实际输出功率WM。Please refer to FIG. 1. In this embodiment, the torque sensor 120 is connected to the rotating unit 111. The torque sensor 120 is used to sense the actual output power W M of the motor of the rotating unit 111. In this embodiment, the The torque sensor 120 detects the rotational speed and torque of the rotating unit 111 to measure the actual output power W M of the motor.
请参阅图1，当该转动单元111转动时，该转动单元111带动该转矩传感 器120转动，且该转矩传感器120同步带动该转动机械130转动，该转动机械 130可选自于被动机械如泵浦、齿轮箱或风机等，但不以此为限。Please refer to FIG. 1, when the rotating unit 111 rotates, the rotating unit 111 drives the torque sensor 120 to rotate, and the torque sensor 120 synchronously drives the rotating machine 130 to rotate. The rotating machine 130 can be selected from passive machines such as Pumps, gearboxes or fans, etc., but not limited thereto.
请参阅图1，当该转动机械130借由该转矩传感器120而被该马达装置 110的该转动单元111驱动而转动时，该输出功率感测单元140感测该转动机 械130的机械输出功率Wm，以该转动机械130为泵浦为例，该输出功率感测 单元140侦测该泵浦推动的流体的流体压力及流体流量以测得该机械输出 功率Wm(即流体压力乘流体流量)，或者，当该转动机械130为齿轮箱，该 输出功率感测单元140侦测该齿轮箱的转矩及转速以测得该机械输出功率 Wm(即转矩乘转速)，或者，当该转动机械130为风机时，该输出功率感测 单元140侦测该风机推动的流体的流体压力及流体流量以测得该机械输出 功率Wm(即流体压力乘流体流量)。Please refer to FIG. 1 , when the rotating machine 130 is driven to rotate by the rotating unit 111 of the motor device 110 through the torque sensor 120 , the output power sensing unit 140 senses the mechanical output power of the rotating machine 130 W m , taking the rotary machine 130 as a pump as an example, the output power sensing unit 140 detects the fluid pressure and fluid flow rate of the fluid driven by the pump to measure the mechanical output power W m (that is, the fluid pressure multiplied by the fluid flow rate), or, when the rotating machine 130 is a gear box, the output power sensing unit 140 detects the torque and rotational speed of the gear box to measure the mechanical output power W m (that is, the torque multiplied by the rotational speed), or, When the rotating machine 130 is a fan, the output power sensing unit 140 detects the fluid pressure and the fluid flow of the fluid driven by the fan to measure the mechanical output power W m (ie, the fluid pressure multiplied by the fluid flow).
请参阅图1，该计算单元150根据该机械输出功率Wm及该输入电功率Wi算出系统总效率ηt，该系统总效率ηt的计算式为：Referring to Fig. 1, the calculation unit 150 calculates the total system efficiency η t according to the mechanical output power W m and the input electric power W i , and the calculation formula of the total system efficiency η t is:
其中，ηt为该系统总效率，Wm为该机械输出功率，Wi为该输入电功率。Wherein, η t is the total efficiency of the system, W m is the mechanical output power, and W i is the input electric power.
请参阅图1，该计算单元150电性连接该电功率感测单元112及该转矩传 感器120，以接收该电功率感测单元112感测该电源的该输入电功率Wi及该 转矩传感器120感测该转动单元111的该马达实际输出功率WM，并计算出马 达实际效率ηM，其中计算该马达实际效率ηM的计算式为：Please refer to FIG. 1 , the calculation unit 150 is electrically connected to the electric power sensing unit 112 and the torque sensor 120 to receive the electric power sensing unit 112 sensing the input electric power W i of the power supply and the torque sensor 120 sensing. Measure the actual output power W M of the motor of the rotating unit 111, and calculate the actual efficiency η M of the motor, wherein the calculation formula for calculating the actual efficiency η M of the motor is:
其中，ηM为该马达实际效率，WM为该马达实际输出功率，Wi为该输入 电功率。Wherein, η M is the actual efficiency of the motor, W M is the actual output power of the motor, and W i is the input electric power.
请参阅图1，该计算单元150电性连接该转矩传感器120及该输出功率感 测单元140，以接收该转矩传感器120感测该转动单元111的该马达实际输出 功率WM及该输出功率感测单元140感测该转动机械130的该机械输出功率 Wm，并计算出转动机械效率ηm，或者也可由该系统总效率ηt及该马达实际 效率ηM计算出该转动机械效率ηm，其中计算该转动机械效率ηm的计算式 为：Please refer to FIG. 1 , the computing unit 150 is electrically connected to the torque sensor 120 and the output power sensing unit 140 to receive the actual output power W M of the motor of the rotating unit 111 sensed by the torque sensor 120 and the output The power sensing unit 140 senses the mechanical output power W m of the rotating machine 130, and calculates the rotating mechanical efficiency η m , or can also calculate the rotating mechanical efficiency from the system total efficiency η t and the motor actual efficiency η M η m , wherein the calculation formula for calculating the rotating mechanical efficiency η m is:
其中，ηm为该转动机械效率，ηt为该系统总效率，ηM为该马达实际效 率，WM为该马达实际输出功率，Wm为该机械输出功率。Wherein, η m is the rotating mechanical efficiency, η t is the total efficiency of the system, η M is the actual efficiency of the motor, W M is the actual output power of the motor, and W m is the mechanical output power.
本发明的该计算单元150根据该马达实际输出功率WM及该输入电功率 Wi计算出该马达装置110的该马达实际效率ηM，以及根据该机械输出功率 Wm及该马达实际输出功率WM计算出该转动机械130的该转动机械效率ηm， 并借由该马达实际效率ηM及该系统总效率ηt计算出该转动机械效率ηm，以 利判断是该马达装置110或该转动机械130的效率降低，或者判断实际效率 与铭牌所标示的效率是否不同，其有利于使用者随时掌控该转动机械130或该马达装置110是否因损耗而造成效率降低。The calculation unit 150 of the present invention calculates the motor actual efficiency η M of the motor device 110 according to the actual output power W M of the motor and the input electric power W i , and calculates the actual motor efficiency η M of the motor device 110 according to the mechanical output power W m and the actual output power W of the motor M calculates the rotating mechanical efficiency η m of the rotating machine 130, and calculates the rotating mechanical efficiency η m based on the actual efficiency η M of the motor and the total efficiency η t of the system, so as to judge whether it is the motor device 110 or the Decreasing the efficiency of the rotating machine 130 , or judging whether the actual efficiency is different from the efficiency marked on the nameplate is helpful for the user to keep track of whether the efficiency of the rotating machine 130 or the motor device 110 is reduced due to loss.
以上所述，仅是本发明的较佳实施例而已，并非对本发明作任何形式 上的限制，虽然本发明已以较佳实施例揭露如上，然而并非用以限定本发 明,任何熟悉本专业的技术人员，在不脱离本发明技术方案范围内,当可利 用上述揭示的技术内容作出些许更动或修饰为等同变化的等效实施例,但 凡是未脱离本发明技术方案的内容，依据本发明的技术实质对以上实施例 所作的任何简单修改、等同变化与修饰，均仍属于本发明技术方案的范围内。The above description is only a preferred embodiment of the present invention, and does not limit the present invention in any form. Although the present invention has been disclosed as above with preferred embodiments, it is not intended to limit the present invention. Anyone familiar with this field Those skilled in the art, without departing from the scope of the technical solution of the present invention, can use the technical content disclosed above to make some changes or modify them into equivalent embodiments with equivalent changes, but any content that does not depart from the technical solution of the present invention, according to the present invention Any simple modifications, equivalent changes and modifications made to the above embodiments by the technical essence still belong to the scope of the technical solutions of the present invention.
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