CN104873400A - Intelligent feeding bottle sleeve with accurate weighing function, and method and system for operating intelligent feeding bottle sleeve - Google Patents
Intelligent feeding bottle sleeve with accurate weighing function, and method and system for operating intelligent feeding bottle sleeve Download PDFInfo
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- CN104873400A CN104873400A CN201510109665.0A CN201510109665A CN104873400A CN 104873400 A CN104873400 A CN 104873400A CN 201510109665 A CN201510109665 A CN 201510109665A CN 104873400 A CN104873400 A CN 104873400A
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Abstract
The invention discloses an intelligent feeding bottle sleeve with an accurate weighing function, and a method and a system for operating the intelligent feeding bottle sleeve. The method includes steps of A, weighing an initial weight of a feeding bottle with liquid by a weighing sensor on the intelligent feeding bottle sleeve and recording an initial temperature of the liquid; B, weighing a current weight of the feeding bottle by the weighing sensor on the intelligent feeding bottle sleeve after an infant is fed, and recording a current temperature of the liquid; C, eliminating influence of temperature change of the initial temperature and the current temperature of the liquid on the weighing sensor by the aid of a temperature compensation algorithm, and acquiring a corrected initial weight and a corrected current weight. The intelligent feeding bottle sleeve, the method and the system have the advantages that problems of zero-point temperature drift and influence on the accuracy of an existing weighing sensor due to cooling of liquid in eating procedures can be effectively solved, accordingly, can be solved, the food intake of the infant can be accurately measured by the intelligent feeding bottle sleeve, and development conditions of the infant can be accurately and conveniently monitored.
Description
Technical field
The present invention relates to mother and baby's articles for use field, particularly relate to a kind of can the Intelligent milk bottle cover of correct amount and using method thereof and system.
Background technology
Along with improving constantly of people's living standard, various powdered food especially formula milk etc. enters into daily life more and more, when carrying out milk powder to infant and breast-feeding, need to record its food-intake of often eating, so that father and mother grasp the fed state of infant at any time, adjustment is in time rushed dosage to the milk powder of infant and is understood its upgrowth situation.Adopt and a LOAD CELLS is set on milk bottle sleeve, remaining milk powder weight in feeding bottle can be monitored at any time, thus calculate the milk powder amount that infant takes food, but due to water temperature change impact, change by variations in temperature at zero point of LOAD CELLS, namely generation temperature at zero point is waftd, and it can affect the accuracy of LOAD CELLS.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art, the object of the present invention is to provide a kind of can the Intelligent milk bottle cover of correct amount and using method thereof and system, be intended to solve LOAD CELLS in prior art and weigh inaccurate problem by water temperature variable effect.
Technical scheme of the present invention is as follows:
Can the using method of Intelligent milk bottle cover of correct amount, wherein, described step comprises:
A, put by Intellectual feeding bottle the initial weight that LOAD CELLS weighs up the feeding bottle containing liquid, and the initial temperature of recording liquid;
B, put by Intellectual feeding bottle the current weight that LOAD CELLS weighs up the feeding bottle after feeding, and the Current Temperatures of recording liquid;
C, by temperature compensation algorithm, eliminate the impact that the initial temperature of liquid and the variations in temperature of Current Temperatures cause LOAD CELLS, obtain revised current weight and initial weight.
Described can the using method of Intelligent milk bottle cover of correct amount, wherein, in described step C, described temperature compensation algorithm is specially: described temperature compensation algorithm is specially: a thermo-sensitive resistor of connecting on the electric bridge of LOAD CELLS, and its resistance value is calculated by following formula:
; In formula:
△ μ
t---the null offset amount (mV) that-variations in temperature causes;
U----arch bridge voltage (V);
R----arm resistance;
α
m---the temperature-coefficient of electrical resistance of-compensating resistance material;
α
g---the temperature-coefficient of electrical resistance of-strain gauge;
R
t----vary with temperature and the resistance changed.
Described can the using method of Intelligent milk bottle cover of correct amount, wherein, also comprise after described step C:
By calculating revised current weight and initial weight, obtain the amount of liquid of institute's feeding.
Described can the using method of Intelligent milk bottle cover of correct amount, wherein, described sensor is HX711 LOAD CELLS.
Can the Intellectual feeding bottle cover system of correct amount, wherein, described system comprises:
Weighing and sensing module, for weighing up initial weight and the current weight of the feeding bottle containing liquid;
Temperature sensing module, for initial temperature and the Current Temperatures of recording liquid;
Temperature compensation algorithm module, the impact that the variations in temperature for the initial temperature and Current Temperatures of eliminating liquid causes LOAD CELLS, obtains the reduction revising rear liquid.
Described can the Intellectual feeding bottle cover system of correct amount, wherein, described system also comprises:
Weight computation module, for calculating revised current weight and initial weight, obtains the amount of liquid of institute's feeding.
Described can the Intellectual feeding bottle cover system of correct amount, wherein, described weighing and sensing module is HX711 weighing and sensing module.
Can the Intelligent milk bottle cover of correct amount, wherein, can the Intellectual feeding bottle cover system of correct amount be made up of above-mentioned.
Beneficial effect: by of the present invention can the Intelligent milk bottle cover of correct amount and using method thereof and system, it passes through temperature compensation algorithm, eliminate liquid produces temperature on the feed in process change because of cooling, make produce zero point temperature by variations in temperature the zero point of LOAD CELLS to waft, thus affect the problem of LOAD CELLS accuracy, make described Intelligent milk bottle cover can go out the food-intake of infant by precise, thus monitor the development condition of infant accurately and easily.
Accompanying drawing explanation
Fig. 1 is that the present invention can the flow chart of Intelligent milk bottle cover using method of correct amount.
Fig. 2 is that the present invention can the structure chart of Intellectual feeding bottle cover system of correct amount.
Detailed description of the invention
The invention provides a kind of can the Intelligent milk bottle cover of correct amount and using method thereof and system, for making object of the present invention, technical scheme and effect clearly, clearly, the present invention is described in more detail below.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As shown in Figure 1, the invention provides a kind of can the using method of Intelligent milk bottle cover of correct amount, wherein, described step comprises:
S100, put by Intellectual feeding bottle the initial weight that LOAD CELLS weighs up the feeding bottle containing liquid, and the initial temperature of recording liquid;
S200, put by Intellectual feeding bottle the current weight that LOAD CELLS weighs up the feeding bottle after feeding, and the Current Temperatures of recording liquid;
S300, by temperature compensation algorithm, eliminate the impact that the initial temperature of liquid and the variations in temperature of Current Temperatures cause LOAD CELLS, obtain revised current weight and initial weight.
Preferably, in described step S300, described temperature compensation algorithm is specially: a thermo-sensitive resistor of connecting on the electric bridge of LOAD CELLS, and its resistance value is calculated by following formula:
; In formula: △ μ
tfor the null offset amount (mV) that variations in temperature causes; U is arch bridge voltage (V); R is arm resistance; α
mfor the temperature-coefficient of electrical resistance of compensating resistance material; α
gfor the temperature-coefficient of electrical resistance of strain gauge; R
tfor varying with temperature and the resistance changed.By this temperature compensation algorithm, eliminate the temperature at zero point produced due to variations in temperature in weighing process and waft, make in weighing process little by externally temperature influence, its weighing accuracy is high, and energy precise goes out the food-intake of infant.
Under room temperature range, the impact that the metal arm of sensor and electric bridge foil gauge are subject to temperature is very little, and in the processes such as soaking milk powder, when temperature is higher than 45 degree, metal arm in LOAD CELLS expands, and the characteristic of foil gauge is sharply changed, thus produces null offset, when under temperature return to room temperature, sensor recovers stable.Therefore the present invention is by a temperature compensation algorithm, eliminates the temperature at zero point that variations in temperature produces further and wafts, thus makes the weight degree of accuracy that weighs high.
Specifically, LOAD CELLS in the present invention is HX711 LOAD CELLS, it adopts 24 high-precision A/D converter chips, input circuit can be configured to the electric bridge sensor pattern providing bridge pressure, by HX711 LOAD CELLS of the present invention, it can have the liquid of temperature in precise bottle, and by temperature compensation algorithm of the present invention, and the temperature at zero point eliminating the generation because temperature of liquid reduces in infant feeding process is waftd problem.
Further, also comprise after described step S300:
By calculating revised current weight and initial weight, obtain the amount of liquid of institute's feeding.
The temperature of liquid in the feeding bottle weight after take food front and feed and feeding bottle is first weighed in the present invention, and calculated by temperature compensation algorithm, eliminate the impact that variations in temperature produces LOAD CELLS, make the amount of liquid that described Intelligent milk bottle cover can accurately reduce in feeding bottle, thus precise goes out the food-intake of infant, convenient fed state and the development condition monitoring infant at any time.
In addition, refer to Fig. 2, as shown in the figure, also provide in the embodiment of the present invention a kind of can the Intellectual feeding bottle cover system of correct amount, wherein, described system 100 comprises:
Weighing and sensing module 101, for weighing up initial weight and the current weight of the feeding bottle containing liquid;
Temperature sensing module 102, for initial temperature and the Current Temperatures of recording liquid;
Temperature compensation algorithm module 103, the impact that the variations in temperature for the initial temperature and Current Temperatures of eliminating liquid causes LOAD CELLS, obtains revised initial weight and current weight.
Described can the Intellectual feeding bottle cover system of correct amount, wherein, described system also comprises:
Weight computation module, for calculating revised current weight and initial weight, obtains the amount of liquid of institute's feeding.
Preferably, the module of weighing and sensing described in present pre-ferred embodiments is HX711 weighing and sensing module.
In preferred embodiment, the present invention is also provided with a voice sensing module, for quoting weighed weight.The amount of liquid of food-intake that described voice sensing module can facilitate father and mother just can learn infant when night carries out feeding to child without the need to turning on light or institute's punching is set.
The present invention also provide a kind of can the Intelligent milk bottle cover of correct amount, it can the Intellectual feeding bottle cover system of correct amount be made up of above-mentioned.
The bottle cover of Intelligent milk described in the present invention is combined with milk bottle sleeve carries out feeding, and described Intellectual feeding bottle puts and is provided with a LOAD CELLS.LOAD CELLS of the present invention adopts HX711 sensor, and its bandwidth, structure are simple and sensitivity is high, but its easy temperature influence and produce zero point temperature and waft, thus affect the accuracy of weighing.Carrying out in the process of feeding with feeding bottle to infant, because of ambient temperature effect or change in time, the temperature of liquid in feeding bottle can be made also constantly to change, if the LOAD CELLS therefore directly adopting Intellectual feeding bottle to put is weighed to feeding bottle, it is not high that it weighs degree of accuracy, cannot calculate the food-intake of infant exactly.Adopting temperature compensation algorithm in the present invention, by calculating the impact of variations in temperature, eliminating the impact that variations in temperature produces LOAD CELLS, thus precise goes out the food-intake of infant to liquid.
Preferably, one is also provided with for the temperature gauge of tracer liquid temperature in described Intelligent milk bottle cover, the initial temperature of liquid and the Current Temperatures of rear liquid of taking food before detecting feed by temperature gauge, and initial temperature and Current Temperatures are calculated further by temperature compensation algorithm, thus the variations in temperature eliminating liquid is waftd to the temperature at zero point that LOAD CELLS causes.
In addition, described Intellectual feeding bottle cover is also provided with one for showing the display interface of weight and temperature.During concrete use, first the feeding bottle that liquid is housed is positioned in described Intelligent milk bottle cover, and described Intelligent milk bottle cover is kept flat weight and the temperature of liquid of the feeding bottle measured containing liquid, by display interface display initial weight and initial temperature; Feeding is carried out to infant, after its feed, milk bottle sleeve is kept flat again, again weigh weight and the temperature of liquid of the feeding bottle containing liquid, by temperature compensation algorithm, eliminate the impact that variations in temperature produces LOAD CELLS, thus calculate the food-intake of infant exactly, and calculated food-intake is directly presented on display interface, facilitate father and mother to understand the fed state of infant.
In sum, the present invention by arranging a LOAD CELLS on Intellectual feeding bottle cover, weigh the weight of temperature liquid in feeding bottle, and pass through temperature compensation algorithm, eliminate liquid produces temperature on the feed in process change because of cooling, avoid LOAD CELLS and waft because producing zero point temperature by variations in temperature, thus affect the problem of LOAD CELLS accuracy, make described Intelligent milk bottle cover can go out the food-intake of infant by precise, thus monitor the development condition of infant accurately and easily.
Should be understood that, application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection domain that all should belong to claims of the present invention.
Claims (8)
1. can the using method of Intelligent milk bottle cover of correct amount, it is characterized in that, described step comprises:
A, put by Intellectual feeding bottle the initial weight that LOAD CELLS weighs up the feeding bottle containing liquid, and the initial temperature of recording liquid;
B, put by Intellectual feeding bottle the current weight that LOAD CELLS weighs up the feeding bottle after feeding, and the Current Temperatures of recording liquid;
C, by temperature compensation algorithm, eliminate the impact that the initial temperature of liquid and the variations in temperature of Current Temperatures cause LOAD CELLS, obtain revised current weight and initial weight.
2. according to claim 1 can the using method of Intelligent milk bottle cover of correct amount, it is characterized in that, in described step C, described temperature compensation algorithm is specially: a thermo-sensitive resistor of connecting on the electric bridge of LOAD CELLS, and its resistance value is calculated by following formula:
; In formula:
△ μ
t---the null offset amount (mV) that-variations in temperature causes;
U----arch bridge voltage (V);
R----arm resistance;
α
m---the temperature-coefficient of electrical resistance of-compensating resistance material;
α
g---the temperature-coefficient of electrical resistance of-strain gauge;
R
t----vary with temperature and the resistance changed.
3. according to claim 1 can the using method of Intelligent milk bottle cover of correct amount, it is characterized in that, also comprise after described step C:
By calculating revised current weight and initial weight, obtain the amount of liquid of institute's feeding.
4. according to claim 1 can the using method of Intelligent milk bottle cover of correct amount, it is characterized in that, described sensor is HX711 LOAD CELLS.
5. can the Intellectual feeding bottle cover system of correct amount, it is characterized in that, described system comprises:
Weighing and sensing module, for weighing up initial weight and the current weight of the feeding bottle containing liquid;
Temperature sensing module, for initial temperature and the Current Temperatures of recording liquid;
Temperature compensation algorithm module, the impact that the variations in temperature for the initial temperature and Current Temperatures of eliminating liquid causes LOAD CELLS, obtains revised initial weight and current weight.
6. according to claim 5 can the Intellectual feeding bottle cover system of correct amount, it is characterized in that, described system also comprises:
Weight computation module, for calculating revised current weight and initial weight, obtains the amount of liquid of institute's feeding.
7. according to claim 5 can the Intellectual feeding bottle cover system of correct amount, it is characterized in that, described weighing and sensing module is HX711 weighing and sensing module.
8. can the Intelligent milk bottle cover of correct amount, it is characterized in that, can the Intellectual feeding bottle cover system of correct amount form by described in any one of claim 5-7.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510109665.0A CN104873400A (en) | 2015-03-13 | 2015-03-13 | Intelligent feeding bottle sleeve with accurate weighing function, and method and system for operating intelligent feeding bottle sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510109665.0A CN104873400A (en) | 2015-03-13 | 2015-03-13 | Intelligent feeding bottle sleeve with accurate weighing function, and method and system for operating intelligent feeding bottle sleeve |
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| Publication Number | Publication Date |
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| CN104873400A true CN104873400A (en) | 2015-09-02 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510109665.0A Pending CN104873400A (en) | 2015-03-13 | 2015-03-13 | Intelligent feeding bottle sleeve with accurate weighing function, and method and system for operating intelligent feeding bottle sleeve |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109282888A (en) * | 2018-11-22 | 2019-01-29 | 天津光电通信技术有限公司 | A kind of temperature drift antidote based on ARM of gravity sensor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060278093A1 (en) * | 2004-01-13 | 2006-12-14 | Eytan Biderman | Feeding formula appliance |
| CN103278269A (en) * | 2013-04-24 | 2013-09-04 | 武汉航空仪表有限责任公司 | Temperature compensation method for high accuracy pressure transmitter |
| CN203507156U (en) * | 2013-09-30 | 2014-04-02 | 杨洋 | Intelligent feeding bottle |
| CN104352133A (en) * | 2014-11-07 | 2015-02-18 | 启辰电子（苏州）有限公司 | Wireless interactive cup with multidimensional sensing function |
-
2015
- 2015-03-13 CN CN201510109665.0A patent/CN104873400A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060278093A1 (en) * | 2004-01-13 | 2006-12-14 | Eytan Biderman | Feeding formula appliance |
| CN103278269A (en) * | 2013-04-24 | 2013-09-04 | 武汉航空仪表有限责任公司 | Temperature compensation method for high accuracy pressure transmitter |
| CN203507156U (en) * | 2013-09-30 | 2014-04-02 | 杨洋 | Intelligent feeding bottle |
| CN104352133A (en) * | 2014-11-07 | 2015-02-18 | 启辰电子（苏州）有限公司 | Wireless interactive cup with multidimensional sensing function |
Non-Patent Citations (2)
| Title |
|---|
| 张洪润 主编: "《传感器技术大全（下册）》", 1 October 2007 * |
| 沈金鑫编著: "《Arduino与LabVIEW开发实战》", 31 March 2014 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109282888A (en) * | 2018-11-22 | 2019-01-29 | 天津光电通信技术有限公司 | A kind of temperature drift antidote based on ARM of gravity sensor |
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| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Xiangliang Inventor before: Li Xiangji Inventor before: Xie Guangbao Inventor before: Guo Peng Inventor before: Li Xiangliang |
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| COR | Change of bibliographic data | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20150910 Address after: Luohu District Songyuan road Shenzhen City, Guangdong province 518001 75 2 14B Applicant after: Kang Kai Address before: 523879 Xin'an Industrial Park, Changan Town, Dongguan, Guangdong Applicant before: DONGGUAN JIERONG TECHNOLOGY CO., LTD. |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150902 |
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