WO2016145942A1 - 智能水杯、智能水杯的饮水量检测方法及其系统 - Google Patents

智能水杯、智能水杯的饮水量检测方法及其系统 Download PDF

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Publication number
WO2016145942A1
WO2016145942A1 PCT/CN2016/071166 CN2016071166W WO2016145942A1 WO 2016145942 A1 WO2016145942 A1 WO 2016145942A1 CN 2016071166 W CN2016071166 W CN 2016071166W WO 2016145942 A1 WO2016145942 A1 WO 2016145942A1
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WIPO (PCT)
Prior art keywords
cup
angle
water
drinking water
drinking
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PCT/CN2016/071166
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English (en)
French (fr)
Inventor
张罡
徐睿
蒋镒珍
江志强
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巨鲸网络科技（上海）有限公司
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Priority to US15/557,825 priority Critical patent/US20180045547A1/en
Publication of WO2016145942A1 publication Critical patent/WO2016145942A1/zh

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F22/00—Methods or apparatus for measuring volume of fluids or fluent solid material, not otherwise provided for
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47G—HOUSEHOLD OR TABLE EQUIPMENT
    • A47G19/00—Table service
    • A47G19/22—Drinking vessels or saucers used for table service
    • A47G19/2205—Drinking glasses or vessels
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47G—HOUSEHOLD OR TABLE EQUIPMENT
    • A47G19/00—Table service
    • A47G19/22—Drinking vessels or saucers used for table service
    • A47G19/2205—Drinking glasses or vessels
    • A47G19/2227—Drinking glasses or vessels with means for amusing or giving information to the user
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/284—Electromagnetic waves
    • G01F23/292—Light, e.g. infrared or ultraviolet
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47G—HOUSEHOLD OR TABLE EQUIPMENT
    • A47G2200/00—Details not otherwise provided for in A47G
    • A47G2200/08—Illumination
    • A47G2200/085—Light sensor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F9/00—Measuring volume flow relative to another variable, e.g. of liquid fuel for an engine
    • G01F9/001—Measuring volume flow relative to another variable, e.g. of liquid fuel for an engine with electric, electro-mechanic or electronic means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F9/00—Measuring volume flow relative to another variable, e.g. of liquid fuel for an engine
    • G01F9/006—Measuring volume flow relative to another variable, e.g. of liquid fuel for an engine with mechanic means

Definitions

  • the invention belongs to the field of smart water cups, and particularly relates to a drinking water quantity detecting method and a system thereof for a smart water cup and a smart water cup.
  • the traditional smart cup drinking water measurement method is divided into two ways: contact liquid and non-contact liquid:
  • the corresponding sensor For contact liquid measurement, the corresponding sensor needs to be placed in the liquid. For the direct injection of the sensor into the drinking water, the hygienic safety cannot be guaranteed.
  • the pressure sensor is basically used at the bottom of the cup to measure the weight of the water.
  • the measurement must be waited until the cup is in a stable state before the measurement can be started, and the water consumption cannot be measured in real time.
  • a drinking water quantity detecting method and a system thereof for a smart water cup and a smart water cup are provided.
  • a smart water cup includes a cup body, a cup cover, a light sensor and a main board.
  • the cup cover is disposed on the cup body, and the light sensor is disposed on the cup body and covered by the cup cover to open the cup
  • the cover may expose the light sensor
  • the main board is disposed at a bottom of the cup body and is isolated from a cavity of the cup body
  • the main board has a main processor and a gravity accelerometer, the light sensor and a gravity accelerometer Both are connected to the main processor.
  • the cup body is screwed to the cup cover, and the light sensor is disposed on the receiving surface of the cup body to receive the lower end surface of the cup cover.
  • the cup cover comprises a lid body, a light shielding tube and a sliding cover, wherein a circumferential groove of the lid body is provided with a vertical groove, and an upper end surface of the lid body has a center from the groove to the lid body Slip
  • the light-shielding tube is disposed in the groove, and the light-shielding tube is located just above the light sensor after the cup cover is screwed to the cup body, and the sliding cover is disposed in the slide rail and can slide back and forth. Open or close the upper nozzle of the light pipe.
  • the program also relates to a method for detecting the drinking water volume of a smart water cup, comprising:
  • the light is detected in real time by the light sensor. If light is detected, the lid is opened or the lid on the lid is opened. After the lid or the lid is opened, if the light is dimmed, the user attempts to drink water and activate the gravitational acceleration. meter;
  • the average value and variance of each group of inclination data are calculated by the main processor. If the average inclination angle is greater than the preset drinking angle and the variance is less than 1°, the corresponding inclination angle is the initial drinking angle.
  • the preset drinking water angle is 9° to 15°; the maximum value of the average angle of the inclination is found, and the corresponding average angle of inclination near the maximum value is taken as the maximum drinking angle;
  • the preset drinking angle is 10°.
  • the method takes a group of 1024 inclination data as a group.
  • the program also relates to a drinking water quantity detection system for a smart water cup, comprising:
  • a light detecting unit for detecting light in real time by a light sensor. If light is detected, the lid is opened or the lid on the lid is opened, and when the lid or the lid is opened, if the light is dark, the user attempts Drink water and start the gravity accelerometer;
  • a tilt calculation unit wherein the tilt angle of the smart water cup and the vertical direction is calculated by the gravity accelerometer, and the tilt angle data is sent to the main processor;
  • the drinking water angle analyzing unit is configured to calculate the mean value and the variance of each group of inclination data by using the plurality of inclination data, and if the average angle of the inclination is greater than the preset drinking angle and the variance is less than 1°, the corresponding The average dip angle is the initial drinking water angle, and the preset drinking water angle can be set to 9°-15° according to the physical characteristics of the cup body; the maximum value of the dip angle mean value is found, and the corresponding dip angle average value near the maximum value is taken as the maximum drinking water angle;
  • the drinking water calculation unit is configured to calculate the initial water amount by the main processor according to the initial drinking water angle and the capacity of the smart water cup, and calculate the remaining water amount by the main processor according to the maximum drinking water angle and the capacity of the smart water cup, and calculate The difference between the initial amount of water and the amount of remaining water is used to obtain the amount of drinking water.
  • the preset drinking angle is 10°.
  • the drinking angle analysis unit takes a group of 1024 inclination data as a group.
  • the invention can measure the drinking water amount in real time without waiting for the water cup to be in a static stable state, and the measuring component is not in contact with drinking water, and the measurement is safe and hygienic.
  • FIG. 1 is a schematic structural view of a smart water cup of the present invention
  • FIG. 2 is a schematic view showing the electrical connection structure of the smart water cup of the present invention.
  • FIG. 3 is a flow chart of a method for detecting a drinking water amount of a smart water cup according to the present invention
  • Figure 4 is a schematic view showing the change of the inclination angle of the drinking water process
  • FIG. 5 is a schematic structural view of a drinking water amount detecting system of a smart water cup according to the present invention.
  • a smart water cup includes a cup body 110 , a cup cover 120 , a light sensor 130 , and a main board 140 .
  • the lid 120 is disposed on the cup body 110 and can be opened or closed.
  • the light sensor 130 is disposed on the cup body 110 and is covered by the cup cover 120. Opening the cup cover 120 exposes the light sensor 130.
  • the cup body 110 is screwed to the cup cover 120, and the light sensor 130 is disposed on the receiving surface of the cup body 110 to receive the lower end surface of the cup cover 120.
  • the lid 120 includes a lid body 121, a light blocking tube 122 and a sliding cover 123.
  • the peripheral wall of the lid body 121 is provided with a vertical groove, and the upper end surface of the lid body 121 has a groove from the groove
  • the slide tube 122 is disposed in the groove, and the light shielding tube 122 is disposed in the groove, and the light shielding tube 122 is located just above the light sensor 130 after the cup cover is screwed to the cup body.
  • the sliding cover 123 is disposed in the sliding passage and can slide back and forth. Open or close the upper nozzle of the shading tube.
  • the main board 140 is disposed at the bottom of the cup body 110, is isolated from the inner cavity of the cup body 110, and has a main processor 141 and a gravity accelerometer 142 thereon, and the light sensor 130 and the gravity accelerometer 142 are both
  • the processor 141 is connected, and the gravity accelerometer 142 and the main processor 141 are used as measuring elements for measuring the amount of drinking water and are not in contact with the drinking water in the cup, and are safe and hygienic.
  • the light sensor 130 is used to detect light, and it is judged by the change of the light whether the user opens the lid 120 or the slide cover 123, and whether the user attempts to drink water.
  • the gravitational accelerometer 142 is used to calculate the inclination of the smart cup with the vertical direction. Of course, other sensors can also be used to calculate the tilt angle.
  • the main processor 141 is configured to analyze the initial drinking water angle and the maximum drinking water angle according to the inclination data, and calculate the initial water amount and the remaining water amount according to the initial drinking water angle and the maximum drinking water angle, and the difference between the two is the current drinking water. Drinking water.
  • the method of the invention can measure the drinking water amount in real time without waiting for the water cup to be in a stable state of rest, and the measuring component is not in contact with drinking water, and the measurement is safe and hygienic.
  • the method for detecting the drinking water amount of the smart water cup of the present invention comprises:
  • Light detection the light is detected by the light sensor 130 in real time. If the light is detected, the lid 120 is opened or the slide 123 on the lid 120 is opened, and the lid 120 or the slide 123 is opened and continues to be detected. Light, if the light is dim, indicating that the user is trying to drink water at this time, the gravity accelerometer 142 is activated.
  • the main processor 141 calculates the mean value and the variance of each group of dip angle data. If the dip angle average value is greater than the preset drinking water angle, and the variance is less than 1°, the corresponding dip angle mean value For the initial drinking angle, the preset drinking angle can be set to 9°-15° according to the physical characteristics of the cup. When the angle is greater than the preset angle, the dip data is recorded; the maximum value of the dip angle is found, and the corresponding dip mean is used as the Maximum drinking angle.
  • the preset drinking angle is 10°.
  • the initial water amount is calculated by the main processor 141.
  • the main processor 141 calculates the remaining water amount, and calculates the initial water quantity and The difference in remaining water volume is the amount of water that is consumed.
  • the inclination angle of the cup gradually increases with time, and gradually becomes smaller after reaching the maximum angle.
  • the inclination angle of the cup corresponds to the remaining water volume of 500 ml, corresponding to 30 degrees. 200ml, 90 degrees corresponds to 0ml.
  • the angle of the water cup is the preset drinking angle. Below this angle, we think that it is accidentally shaking and not drinking.
  • the angle of the water cup at this time indicates the action of starting drinking water. Regardless of how much water is left in the cup, the initial drinking angle can be obtained by the judgment of the posture in the gravity accelerometer 142, thereby judging The number in the current cup. For example, if the initial drinking water angle is 50 degrees, the remaining water volume is 160 ml.
  • the angle of the water cup at this time is the completion of the drinking water, and the maximum inclination angle reached during the drinking process is sought. For example, 80 degrees means that the remaining water is 30 ml.
  • the method of the invention can measure the amount of drinking water in real time without waiting for the water cup to be in a stable state at rest, and safe and hygienic.
  • the present invention also relates to a drinking water quantity detecting system for a smart water cup, comprising:
  • the light detecting unit 101 is configured to detect light in real time by the light sensor 130. If light is detected, the lid 120 is opened or the sliding cover 123 on the lid 120 is opened, and the lid 120 or the sliding cover 123 is opened. The light is continuously detected, and if the light is dark, indicating that the user is trying to drink water at this time, the gravity accelerometer 142 is activated.
  • the inclination calculating unit 102 is configured to calculate the inclination of the smart water cup from the vertical direction by the gravity accelerometer 142 and transmit the inclination data to the main processor 141.
  • other sensors can also be used to calculate the tilt angle.
  • the drinking water angle analyzing unit 103 is configured to calculate, by the main processor 141, the mean value and the variance of the dip angle data of each group by using the 10 dip angle data. If the dip angle average value is greater than the preset drinking water angle, and the variance is less than 1°, the corresponding The average dip angle is the initial drinking water angle, and the preset drinking water angle is 9°-15°; the maximum value of the dip angle average is found, and the corresponding dip angle average is taken as the maximum drinking water angle.
  • the preset drinking angle is 10°.
  • the drinking water amount calculation unit 104 is configured to calculate the initial water amount by the main processor 141 according to the initial drinking water angle and the capacity of the smart water cup. According to the maximum drinking water angle and the capacity of the smart water cup, the main processor 141 calculates the remaining water amount, and calculates the starting amount. The difference between the amount of water and the amount of water remaining is the amount of water that is consumed.
  • the inclination angle of the cup gradually increases with time, and gradually becomes smaller after reaching the maximum angle.
  • the inclination angle of the cup corresponds to the remaining water volume of 500 ml, corresponding to 30 degrees. 200ml, 90 degrees corresponds to 0ml.
  • the angle of the water cup is the preset drinking angle. Below this angle, we think that it is accidentally shaking and not drinking.
  • the angle of the water cup at this time indicates the action of starting drinking water. Regardless of how much water is left in the cup, the initial drinking angle can be obtained by the judgment of the posture in the gravity accelerometer 142, thereby judging The number in the current cup. For example, if the initial drinking water angle is 50 degrees, the remaining water volume is 160 ml.
  • the angle of the water cup at this time is the completion of the drinking water, and the maximum inclination angle reached during the drinking process is sought. For example, 80 degrees means that the remaining water is 30 ml.
  • the method of the invention can measure the amount of drinking water in real time without waiting for the water cup to be in a stable state at rest, and safe and hygienic.

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  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Apparatus For Making Beverages (AREA)
  • Table Devices Or Equipment (AREA)

Abstract

一种智能水杯，包括杯身（110）、杯盖（120）、光线传感器（130）以及主板（140），所述杯盖（120）设于所述杯身（110）上，所述光线传感器（130）设于所述杯身（110）上，且被所述杯盖（120）遮盖，打开该杯盖（120）可暴露所述光线传感器（130），所述主板（140）设于所述杯身（110）的底部，且与该杯身（110）的内腔隔离，该主板（140）上具有主处理器（141）以及重力加速度计（142），所述光线传感器（130）以及重力加速度计（142）均与所述主处理器（141）连接。该智能水杯可以实时的测量饮水量，无须等到水杯处于静止的稳定状态，并且测量元件不与饮用水接触，测量安全卫生。

Description

智能水杯、智能水杯的饮水量检测方法及其系统 技术领域
本发明属于智能水杯领域，尤其涉及一种智能水杯、智能水杯的饮水量检测方法及其系统。
背景技术
传统智能水杯饮水量测量的方法分为接触液体和非接触液体两种方式：
对于接触液体式测量，需要把相应传感器放入液体中，对于饮用水中直接放入传感器，卫生安全是无法得到保证的。
对于非接触式测量，目前基本采用压力传感器，将其置于杯底，测量水的重量，但是测量时必须等到水杯处于静止的稳定状态，才可以开始测量，无法实时测量饮水量。
发明内容
基于此，针对上述技术问题，提供一种智能水杯、智能水杯的饮水量检测方法及其系统。
为解决上述技术问题，本发明采用如下技术方案：
一种智能水杯，包括杯身、杯盖、光线传感器以及主板，所述杯盖设于所述杯身上，所述光线传感器设于所述杯身上，且被所述杯盖遮盖，打开该杯盖可暴露所述光线传感器，所述主板设于所述杯身的底部，且与该杯身的内腔隔离，该主板上具有主处理器以及重力加速度计，所述光线传感器以及重力加速度计均与所述主处理器连接。
所述杯身与杯盖螺接，所述光线传感器设于所述杯身承接所述杯盖下端面的承接面上。
所述杯盖包括杯盖本体、遮光管以及滑盖，所述杯盖本体的周壁上设有一竖直的凹槽，且该杯盖本体的上端面具有从所述凹槽至杯盖本体中心的滑 道，所述遮光管设于所述凹槽内，且该遮光管在杯盖与杯身螺接后恰好位于所述光线传感器的上方，所述滑盖设于所述滑道内，前后滑动可打开或关闭所述遮光管的上管口。
本方案还涉及一种智能水杯的饮水量检测方法，包括：
通过光线传感器实时检测光线，若检测到光线，则杯盖被打开或者杯盖上的滑盖被打开，杯盖或者滑盖被打开后，若光线变暗，则用户试图喝水，启动重力加速度计；
通过所述重力加速度计计算智能水杯与竖直方向的倾角，并将倾角数据发送给主处理器；
以多次倾角数据为一组，通过所述主处理器计算每组倾角数据的均值以及方差，若倾角均值大于预设饮水角度，且方差小于1°，则相应的倾角均值为起始饮水角度，所述预设饮水角度为9°到15°；找出倾角均值的最大值，将最大值附近相应的倾角均值作为最大饮水角度；
根据起始饮水角度以及智能水杯的容量，通过所述主处理器计算起始水量，根据最大饮水角度以及智能水杯的容量，通过所述主处理器计算剩余水量，计算起始水量与剩余水量之差获得饮水量。
所述预设饮水角度为10°。
该方法以1024次倾角数据为一组。
本方案还涉及一种智能水杯的饮水量检测系统，包括：
光线检测单元，用于通过光线传感器实时检测光线，若检测到光线，则杯盖被打开或者杯盖上的滑盖被打开，杯盖或者滑盖被打开后，若光线变暗，则用户试图喝水，启动重力加速度计；
倾角计算单元，通过所述重力加速度计计算智能水杯与竖直方向的倾角，并将倾角数据发送给主处理器；
饮水角度分析单元，用于以多次倾角数据为一组，通过所述主处理器计算每组倾角数据的均值以及方差，若倾角均值大于预设饮水角度，且方差小于1°，则相应的倾角均值为起始饮水角度，所述预设饮水角度根据杯体物理特性可以设置为9°-15°；找出倾角均值的最大值，将最大值附近相应的倾角均值作为最大饮水角度；
饮水量计算单元，用于根据起始饮水角度以及智能水杯的容量，通过所述主处理器计算起始水量，根据最大饮水角度以及智能水杯的容量，通过所述主处理器计算剩余水量，计算起始水量与剩余水量之差获得饮水量。
所述预设饮水角度为10°。
所述饮水角度分析单元以1024次倾角数据为一组。
本发明可以实时的测量饮水量，无须等到水杯处于静止的稳定状态，并且测量元件不与饮用水接触，测量安全卫生。
附图说明
下面结合附图和具体实施方式本发明进行详细说明：
图1为本发明的智能水杯的结构示意图；
图2为本发明的智能水杯的电气连接结构示意图；
图3为本发明的一种智能水杯的饮水量检测方法的流程图；
图4为喝水过程的倾角变化示意图；
图5为本发明的一种智能水杯的饮水量检测系统的结构示意图。
具体实施方式
如图1所示，一种智能水杯，包括杯身110、杯盖120、光线传感器130以及主板140。
杯盖120设于杯身110上，可打开或者合上。
光线传感器130设于杯身110上，且被杯盖120遮盖，打开该杯盖120可暴露光线传感器130。
具体地，杯身110与杯盖120螺接，光线传感器130设于杯身110承接杯盖120下端面的承接面上。
较佳的，杯盖120包括杯盖本体121、遮光管122以及滑盖123，杯盖本体121的周壁上设有一竖直的凹槽，且该杯盖本体121的上端面具有从凹槽至杯盖本体中心的滑道，遮光管122设于凹槽内，且该遮光管122在杯盖与杯身螺接后恰好位于光线传感器130的上方，滑盖123设于滑道内，前后滑动可打开或关闭遮光管的上管口。
如图2所示，主板140设于杯身110的底部，与该杯身110的内腔隔离，其上具有主处理器141以及重力加速度计142，光线传感器130以及重力加速度计142均与主处理器141连接，重力加速度计142以及主处理器141作为测量饮水量的测量元件并不与杯中的饮用水接触，安全卫生。
光线传感器130用于检测光线，通过光线的变化判断用户是否打开杯盖120或者滑盖123，以及用户是否试图喝水。
重力加速度计142用于计算智能水杯与竖直方向的倾角。当然，也可以采用其他传感器来计算倾角。
主处理器141用于根据倾角数据分析出起始饮水角度以及最大饮水角度，并根据起始饮水角度以及最大饮水角度计算出起始水量以及剩余水量，两者之差即为本次喝水的饮水量。
本发明方法可以实时的测量饮水量，无须等到水杯处于静止的稳定状态，并且测量元件不与饮用水接触，测量安全卫生。
如图3所示，本发明智能水杯的饮水量检测方法，包括：
S101、光线检测：通过光线传感器130实时检测光线，若检测到光线，则此时杯盖120被打开或者杯盖120上的滑盖123被打开，杯盖120或者滑盖123被打开后继续检测光线，若光线变暗，表示此时用户试图喝水，则启动重力加速度计142。
S102、倾角计算：通过重力加速度计142计算智能水杯与竖直方向的倾角，并将倾角数据发送给主处理器141。
S103、饮水角度分析：以10次倾角数据为一组，通过主处理器141计算每组倾角数据的均值以及方差，若倾角均值大于预设饮水角度，且方差小于1°，则相应的倾角均值为起始饮水角度，预设饮水角度根据杯体物理特性可以设置为9°-15°，当角度大于预设角度，开始记录倾角数据；找出倾角均值的最大值，将相应的倾角均值作为最大饮水角度。
较佳地，预设饮水角度为10°。
S104、饮水量计算：根据起始饮水角度以及智能水杯的容量，通过主处理器141计算起始水量，根据最大饮水角度以及智能水杯的容量，主处理器141计算剩余水量，计算起始水量与剩余水量之差获得饮水量。
如图4所示，在喝水的整个过程中，杯子的倾角会随时间逐渐变大，到达最大角度后逐渐变小。
根据杯子内部物理形状特征，喝水时杯子的倾角和杯中的剩余水量有一个对应关系，根据杯子的容量以及倾角可以计算出当前的水量，例如：20度倾角对应剩余水量500ml，30度对应200ml，90度对应0ml。
如图4(a)所示，此时水杯的角度为预设饮水角度，低于这个角度，我们认为是不小心晃动，非喝水动作。
如图4(b)所示，此时水杯的角度表示开始喝水的动作，不管杯子中剩下多少水，可以通过重力加速度计142中姿态的判断获取这个起始饮水角度，从而可以判断出当前杯子中的数量。例如起始饮水角度是50度，则剩余水量是160ml。
如图4(c)所示，此时水杯的角度表示是本次喝水结束完成，此时寻找喝水过程中所达到的最大倾角。例如80度，意味剩余水量是30ml。
所以本次饮水量为160ml-30ml＝130ml。
本发明方法可以实时的测量饮水量，无须等到水杯处于静止的稳定状态，并且安全卫生。
如图5所示，本发明还涉及一种智能水杯的饮水量检测系统，包括：
光线检测单元101，用于通过光线传感器130实时检测光线，若检测到光线，则此时杯盖120被打开或者杯盖120上的滑盖123被打开，杯盖120或者滑盖123被打开后继续检测光线，若光线变暗，表示此时用户试图喝水，则启动重力加速度计142。
倾角计算单元102，用于通过重力加速度计142计算智能水杯与竖直方向的倾角，并将倾角数据发送给主处理器141。当然，也可以采用其他传感器来计算倾角。
饮水角度分析单元103，用于以10次倾角数据为一组，通过主处理器141计算每组倾角数据的均值以及方差，若倾角均值大于预设饮水角度，且方差小于1°，则相应的倾角均值为起始饮水角度，所述预设饮水角度为9°-15°；找出倾角均值的最大值，将相应的倾角均值作为最大饮水角度。
较佳地，预设饮水角度为10°。
饮水量计算单元104，用于根据起始饮水角度以及智能水杯的容量，通过主处理器141计算起始水量，根据最大饮水角度以及智能水杯的容量，主处理器141计算剩余水量，计算起始水量与剩余水量之差获得饮水量。
如图4所示，在喝水的整个过程中，杯子的倾角会随时间逐渐变大，到达最大角度后逐渐变小。
根据杯子内部物理形状特征，喝水时杯子的倾角和杯中的剩余水量有一个对应关系，根据杯子的容量以及倾角可以计算出当前的水量，例如：20度倾角对应剩余水量500ml，30度对应200ml，90度对应0ml。
如图4(a)所示，此时水杯的角度为预设饮水角度，低于这个角度，我们认为是不小心晃动，非喝水动作。
如图4(b)所示，此时水杯的角度表示开始喝水的动作，不管杯子中剩下多少水，可以通过重力加速度计142中姿态的判断获取这个起始饮水角度，从而可以判断出当前杯子中的数量。例如起始饮水角度是50度，则剩余水量是160ml。
如图4(c)所示，此时水杯的角度表示是本次喝水结束完成，此时寻找喝水过程中所达到的最大倾角。例如80度，意味剩余水量是30ml。
所以本次饮水量为160ml-30ml＝130ml。
本发明方法可以实时的测量饮水量，无须等到水杯处于静止的稳定状态，并且安全卫生。
但是，本技术领域中的普通技术人员应当认识到，以上的实施例仅是用来说明本发明，而并非用作为对本发明的限定，只要在本发明的实质精神范围内，对以上所述实施例的变化、变型都将落在本发明的权利要求书范围内。

Claims (9)

  1. 一种智能水杯，其特征在于，包括杯身、杯盖、光线传感器以及主板，所述杯盖设于所述杯身上，所述光线传感器设于所述杯身上，且被所述杯盖遮盖，打开该杯盖可暴露所述光线传感器，所述主板设于所述杯身的底部，且与该杯身的内腔隔离，该主板上具有主处理器以及重力加速度计，所述光线传感器以及重力加速度计均与所述主处理器连接。
  2. 根据权利要求1所述的一种智能水杯，其特征在于，所述杯身与杯盖螺接，所述光线传感器设于所述杯身承接所述杯盖下端面的承接面上。
  3. 根据权利要求2所述的一种智能水杯，其特征在于，所述杯盖包括杯盖本体、遮光管以及滑盖，所述杯盖本体的周壁上设有一竖直的凹槽，且该杯盖本体的上端面具有从所述凹槽至杯盖本体中心的滑道，所述遮光管设于所述凹槽内，且该遮光管在杯盖与杯身螺接后恰好位于所述光线传感器的上方，所述滑盖设于所述滑道内，前后滑动可打开或关闭所述遮光管的上管口。
  4. 一种权利要求3所述的智能水杯的饮水量检测方法，其特征在于，包括：
    通过光线传感器实时检测光线，若检测到光线，则杯盖被打开或者杯盖上的滑盖被打开，杯盖或者滑盖被打开后，若光线变暗，则用户试图喝水，启动重力加速度计；
    通过所述重力加速度计计算智能水杯与竖直方向的倾角，并将倾角数据发送给主处理器；
    以多次倾角数据为一组，通过所述主处理器计算每组倾角数据的均值以及方差，若倾角均值大于预设饮水角度，且方差小于1°，则相应的倾角均值为起始饮水角度，所述预设饮水角度为9°-15°；找出倾角均值的最大值，将最大值附近相应的倾角均值作为最大饮水角度；
    根据起始饮水角度以及智能水杯的容量，通过所述主处理器计算起始水量，根据最大饮水角度以及智能水杯的容量，通过所述主处理器计算剩余水量，计算起始水量与剩余水量之差获得饮水量。
  5. 根据权利要求4所述的一种智能水杯的饮水量检测方法，其特征在于，所述预设饮水角度为10°。
  6. 根据权利要求4或5所述的一种智能水杯的饮水量检测方法，其特征在于，该方法以1024次倾角数据为一组。
  7. 一种智能水杯的饮水量检测系统，其特征在于，包括：
    光线检测单元，用于通过光线传感器实时检测光线，若检测到光线，则杯盖被打开或者杯盖上的滑盖被打开，杯盖或者滑盖被打开后，若光线变暗，则用户试图喝水，启动重力加速度计；
    倾角计算单元，通过所述重力加速度计计算智能水杯与竖直方向的倾角，并将倾角数据发送给主处理器；
    饮水角度分析单元，用于以多次倾角数据为一组，通过所述主处理器计算每组倾角数据的均值以及方差，若倾角均值大于预设饮水角度，且方差小于1°，则相应的倾角均值为起始饮水角度，所述预设饮水角度为9°-15°；找出倾角均值的最大值，将最大值附近相应的倾角均值作为最大饮水角度；
    饮水量计算单元，用于根据起始饮水角度以及智能水杯的容量，通过所述主处理器计算起始水量，根据最大饮水角度以及智能水杯的容量，通过所述主处理器计算剩余水量，计算起始水量与剩余水量之差获得饮水量。
  8. 根据权利要求6所示的一种智能水杯的饮水量检测系统，其特征在于，所述预设饮水角度为10°。
  9. 根据权利要求7或8所述的一种智能水杯的饮水量检测系统，其特 征在于，所述饮水角度分析单元以1024次倾角数据为一组。
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