CN204439186U - Intelligent milk bottle cover and weighing circuit thereof - Google Patents
Intelligent milk bottle cover and weighing circuit thereof Download PDFInfo
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- CN204439186U CN204439186U CN201520141942.1U CN201520141942U CN204439186U CN 204439186 U CN204439186 U CN 204439186U CN 201520141942 U CN201520141942 U CN 201520141942U CN 204439186 U CN204439186 U CN 204439186U
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Abstract
The utility model discloses Intelligent milk bottle cover and weighing circuit thereof, be connected with the control module of Intelligent milk bottle cover, comprise: the load module of the voltage that the electric bridge LOAD CELLS receiving Intelligent milk bottle cover exports, the chip of weighing carrying out A/D conversion for the voltage received by load module, switch module, the first filtration module, the second filtration module and the 3rd filtration module, described control module, electric bridge LOAD CELLS, switch module, the first filtration module, the second filtration module are all connected chip of weighing with the 3rd filtration module.The utility model receives the voltage of electric bridge LOAD CELLS output by load module, after carrying out analog to digital conversion by chip of weighing, send to control module finally to draw the volume of liquid in feeding bottle, the electron device that the utility model uses is few, compact conformation, is applicable to promoting the use of.
Description
Technical field
The utility model relates to infant article, particularly a kind of Intelligent milk bottle cover and weighing circuit thereof.
Background technology
Feeding bottle on feeding bottle has scale, is learnt the volume of liquid in bottle by scale, the head of a family, when feeding, puts into applicable milk powder by the volume observing the water in feeding bottle, can feed after milk powder dissolves completely.But after feeding bottle uses a period of time, the scale meeting abrasion on body, impact is fed, if automatically can measure the liquid volume in feeding bottle, will greatly improve the intelligence degree of nursing.
In addition, when feeding, being all the modes by range estimation at present, confirming baby has drunk how much milk, can not learn the true milk amount that baby drinks.The stomach of baby is very sensitive, often pauses all very high to the precise requirements of milk amount.If the milk amount that baby eats is inadequate, baby will be caused to lack nutrition, as trace elements such as calcium deficiency, iron, magnesium, zinc; If the milk amount that baby eats is too much, can cause getting angry, telling the phenomenons such as milk.The health of visible baby is very high to the requirement of milk amount, therefore needs to research and develop a kind of equipment accurately can measuring milk amount.
Utility model content
In view of above-mentioned the deficiencies in the prior art part, the purpose of this utility model is to provide a kind of Intelligent milk bottle cover and weighing circuit thereof, for the weight measurement of the liquid in feeding bottle provides hardware foundation.
In order to achieve the above object, the utility model takes following technical scheme:
A kind of weighing circuit of Intelligent milk bottle cover, be connected with the control module of Intelligent milk bottle cover, comprise: the load module of the voltage that the electric bridge LOAD CELLS receiving Intelligent milk bottle cover exports, the chip of weighing carrying out A/D conversion for the voltage received by load module, switch module, the first filtration module, the second filtration module and the 3rd filtration module, described control module, electric bridge LOAD CELLS, switch module, the first filtration module, the second filtration module are all connected chip of weighing with the 3rd filtration module.
In the weighing circuit of described Intelligent milk bottle cover, described chip of weighing adopts model to be the integrated chip of HX711, weigh chip DOUT end and PD_SCK end link control module, described switch module comprises: triode, the first resistance, the second resistance and the 3rd resistance, weigh the BASE end of chip by the base stage of the first resistance connecting triode, the emitter of triode connects the first filtration module, the collector of triode connects one end of the 3rd resistance and the VFB end of chip of weighing by the second resistance, the other end ground connection of the 3rd resistance.
In the weighing circuit of described Intelligent milk bottle cover, the model of described triode is: BCX71T116.
In the weighing circuit of described Intelligent milk bottle cover, described load module comprises the 4th resistance, the 5th resistance and the first electric capacity, the INNA of described chip of weighing is held one end of connection first electric capacity, is also connected the positive pole of electric bridge LOAD CELLS by the 4th resistance, and the INPA of chip of weighing is held the other end of connection first electric capacity, also connected the negative pole of electric bridge LOAD CELLS by the 5th resistance.
In the weighing circuit of described Intelligent milk bottle cover, described first filtration module comprises the second electric capacity, the DVDD end of the emitter of one end connecting triode of described second electric capacity, chip of weighing and RATE end, the other end ground connection of the second electric capacity.
In the weighing circuit of described Intelligent milk bottle cover, described second filtration module comprises the 3rd electric capacity, described in weigh the AVDD end of chip connect Intelligent milk bottle cover supply module, also by the 3rd capacity earth.
In the weighing circuit of described Intelligent milk bottle cover, described 3rd filtration module comprises the 4th electric capacity, described in weigh chip VBG end by the 4th capacity earth.
In the weighing circuit of described Intelligent milk bottle cover, it is the MCU chip of NRF51822_QFAA that described control module comprises employing model, the P0.00/AREF0 end of described MCU chip connects the DOUT end of chip of weighing, and the P0.17 end of MCU chip connects the PD_SCK end of chip of weighing.
A kind of Intelligent milk bottle cover, comprises pcb board, described pcb board is provided with the weighing circuit as described in claim 1-8 any one.
Described Intelligent milk bottle cover, also comprises the top that electric bridge LOAD CELLS is arranged at described pcb board, is electrically connected with described weighing circuit.
Compared to prior art, the Intelligent milk bottle cover that the utility model provides and weighing circuit thereof, the voltage of electric bridge LOAD CELLS output is received by load module, control module is sent to after carrying out analog to digital conversion by chip of weighing, obtained the weight of liquid in feeding bottle by control module, and conversion draws the volume of liquid in feeding bottle, the electron device that the utility model uses is few, compact conformation, is applicable to promoting the use of.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of the weighing circuit of the utility model Intelligent milk bottle cover.
Fig. 2 is the circuit diagram of the control module of the utility model Intelligent milk bottle cover.
Embodiment
The utility model provides Intelligent milk bottle cover and weighing circuit thereof, for making the purpose of this utility model, technical scheme and effect clearly, clearly, further describes the utility model referring to the accompanying drawing embodiment that develops simultaneously.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Refer to Fig. 1, the weighing circuit of the Intelligent milk bottle cover that the utility model provides is connected with the control module (not marking in figure) of Intelligent milk bottle cover, it comprises: the load module of the voltage that the electric bridge LOAD CELLS J1 receiving Intelligent milk bottle cover exports, voltage for being received by load module carries out the chip U1 that weighs of A/D conversion, switch module 10, first filtration module 20, second filtration module 30 and the 3rd filtration module 40, described control module, electric bridge LOAD CELLS J1, switch module 10, first filtration module 20, second filtration module 30 is all connected with the 3rd filtration module 40 the chip U1 that weighs.The utility model receives the voltage of electric bridge LOAD CELLS J1 output by load module, control module is sent to after carrying out analog to digital conversion by the chip U1 that weighs, the weight of liquid in feeding bottle is obtained by control module, and conversion finally draws the volume of liquid in feeding bottle, the electron device that the utility model uses is few, compact conformation, is applicable to promoting the use of.
Wherein, described in the chip U1 that weighs adopt model to be the integrated chip of HX711, the DOUT of the chip U1 that weighs end and PD_SCK end link control module, described switch module 10 comprises: triode Q1, the first resistance R1, the second resistance R2 and the 3rd resistance R3.The model of described triode Q1 is: BCX71T116, weigh the BASE end of chip U1 by the base stage of the first resistance R1 connecting triode Q1, the emitter of triode Q1 connects the first filtration module 20, the collector of triode Q1 connects one end of the 3rd resistance R3 and the VFB end of the chip U1 that weighs by the second resistance R2, the other end ground connection of the 3rd resistance R3.Wherein, the resistance of described first resistance R1 is 4.7 kilo-ohms, the resistance of the second resistance R2 be the resistance of 110 kilo-ohms and the 3rd resistance R3 is 100 kilo-ohms.
Please continue to refer to Fig. 1, described load module comprises the 4th resistance R4, the 5th resistance R5 and the first electric capacity C1, the INNA of the described chip U1 that weighs is held one end of connection first electric capacity C1, is also connected the positive pole of electric bridge LOAD CELLS J1 by the 4th resistance R4, and the INPA of the chip U1 that weighs is held the other end of connection first electric capacity C1, also connected the negative pole of electric bridge LOAD CELLS J1 by the 5th resistance R5.Described electric bridge LOAD CELLS J1 is resistance-strain chip electric bridge LOAD CELLS J1, the weight conversion of feeding bottle can be become corresponding voltage.Described first electric capacity C1 plays signal isolation, and the INNA end of the chip U1 that prevents from weighing and the signal trouble of INPA end are disturbed.
Described first filtration module 20 comprises the second electric capacity C2, the DVDD end of the emitter of one end connecting triode of described second electric capacity C2, the chip U1 that weighs and RATE end, the other end ground connection of the second electric capacity C2, the second electric capacity C2 is mainly used in filtering and weighs the undesired signal of emitter of the DVDD end of chip U1, RATE end, triode.
Described second filtration module 30 comprises the 3rd electric capacity C3, described in weigh the AVDD end of chip U1 connect Intelligent milk bottle cover supply module, also by the 3rd electric capacity C3 ground connection.The undesired signal that the power supply that 3rd electric capacity C3 is mainly used in filtering milk bottle sleeve exports, the stabilized input voltage of the chip U1 that makes to weigh is reliable.
Please continue to refer to Fig. 1, described 3rd filtration module 40 comprises the 4th electric capacity, described in weigh chip U1 VBG end by the 4th capacity earth.4th electric capacity be mainly used in filtering weigh chip U1 VBG end undesired signal.
See also Fig. 2, it is the MCU chip of NRF51822_QFAA that described control module comprises employing model, and it is super low-power consumption MCU, the functions such as it has, and data processing data is fast, expansion interface is many, stable performance, sleep, interruption is waken up, power consumption is ultralow.The P0.00/AREF0 end of described MCU chip connects the DOUT end of the chip U1 that weighs, and the P0.17 end of MCU chip connects the PD_SCK end of the chip U1 that weighs.The data computing that the chip U1 that weighs can transmit by described MCU chip, by weight signal to changing corresponding volume into.
The present invention is also corresponding provides a kind of Intelligent milk bottle cover to comprise pcb board (not shown), and described pcb board is provided with weighing circuit.Described Intelligent milk bottle cover also comprises electric bridge LOAD CELLS, is arranged at the top of described pcb board, is electrically connected with described weighing circuit.Owing to being described in detail weighing circuit electricity above, repeated no more herein.
In sum, the Intelligent milk bottle cover that the utility model provides and weighing circuit thereof, the voltage of electric bridge LOAD CELLS output is received by load module, control module is sent to after carrying out analog to digital conversion by chip of weighing, obtained the weight of liquid in feeding bottle by control module, and conversion finally draws the volume of liquid in feeding bottle, the electron device that the utility model uses is few, compact conformation, is applicable to promoting the use of.
Be understandable that; for those of ordinary skills; can be equal to according to the technical solution of the utility model and utility model design thereof and replace or change, and all these change or replace the protection domain that all should belong to the claim appended by the utility model.
Claims (10)
1. the weighing circuit of an Intelligent milk bottle cover, it is characterized in that, be connected with the control module of Intelligent milk bottle cover, comprise: the load module of the voltage that the electric bridge LOAD CELLS receiving Intelligent milk bottle cover exports, the chip of weighing carrying out A/D conversion for the voltage received by load module, switch module, the first filtration module, the second filtration module and the 3rd filtration module, described control module, electric bridge LOAD CELLS, switch module, the first filtration module, the second filtration module are all connected chip of weighing with the 3rd filtration module.
2. the weighing circuit of Intelligent milk bottle cover according to claim 1, it is characterized in that, described chip of weighing adopts model to be the integrated chip of HX711, weigh chip DOUT end and PD_SCK end link control module, described switch module comprises: triode, first resistance, second resistance and the 3rd resistance, weigh the BASE end of chip by the base stage of the first resistance connecting triode, the emitter of triode connects the first filtration module, the collector of triode connects one end of the 3rd resistance and the VFB end of chip of weighing by the second resistance, the other end ground connection of the 3rd resistance.
3. the weighing circuit of Intelligent milk bottle cover according to claim 2, is characterized in that, the model of described triode is: BCX71T116.
4. the weighing circuit of Intelligent milk bottle cover according to claim 1, it is characterized in that, described load module comprises the 4th resistance, the 5th resistance and the first electric capacity, the INNA of described chip of weighing is held one end of connection first electric capacity, is also connected the positive pole of electric bridge LOAD CELLS by the 4th resistance, and the INPA of chip of weighing is held the other end of connection first electric capacity, also connected the negative pole of electric bridge LOAD CELLS by the 5th resistance.
5. the weighing circuit of Intelligent milk bottle cover according to claim 1, it is characterized in that, described first filtration module comprises the second electric capacity, the DVDD end of the emitter of one end connecting triode of described second electric capacity, chip of weighing and RATE end, the other end ground connection of the second electric capacity.
6. the weighing circuit of Intelligent milk bottle cover according to claim 1, is characterized in that, described second filtration module comprises the 3rd electric capacity, described in weigh the AVDD end of chip connect Intelligent milk bottle cover supply module, also by the 3rd capacity earth.
7. the weighing circuit of Intelligent milk bottle cover according to claim 1, is characterized in that, described 3rd filtration module comprises the 4th electric capacity, described in weigh chip VBG end by the 4th capacity earth.
8. the weighing circuit of Intelligent milk bottle cover according to claim 2, it is characterized in that, it is the MCU chip of NRF51822_QFAA that described control module comprises employing model, the P0.00/AREF0 end of described MCU chip connects the DOUT end of chip of weighing, and the P0.17 end of MCU chip connects the PD_SCK end of chip of weighing.
9. an Intelligent milk bottle cover, comprises pcb board, it is characterized in that, described pcb board is provided with the weighing circuit as described in claim 1-8 any one.
10. Intelligent milk bottle cover according to claim 9, is characterized in that, also comprises the top that electric bridge LOAD CELLS is arranged at described pcb board, is electrically connected with described weighing circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520141942.1U CN204439186U (en) | 2015-03-13 | 2015-03-13 | Intelligent milk bottle cover and weighing circuit thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520141942.1U CN204439186U (en) | 2015-03-13 | 2015-03-13 | Intelligent milk bottle cover and weighing circuit thereof |
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| Publication Number | Publication Date |
|---|---|
| CN204439186U true CN204439186U (en) | 2015-07-01 |
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| CN201520141942.1U Active CN204439186U (en) | 2015-03-13 | 2015-03-13 | Intelligent milk bottle cover and weighing circuit thereof |
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| CN (1) | CN204439186U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104970979A (en) * | 2015-07-02 | 2015-10-14 | 北京阿启蒙技术有限公司 | Intelligent milk cup base |
| US20190114942A1 (en) * | 2017-01-22 | 2019-04-18 | Chantal Lau | Instrumented Feeding Bottle for Assessing Oral Feeding Skills |
-
2015
- 2015-03-13 CN CN201520141942.1U patent/CN204439186U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104970979A (en) * | 2015-07-02 | 2015-10-14 | 北京阿启蒙技术有限公司 | Intelligent milk cup base |
| US20190114942A1 (en) * | 2017-01-22 | 2019-04-18 | Chantal Lau | Instrumented Feeding Bottle for Assessing Oral Feeding Skills |
| US10463577B2 (en) * | 2017-01-22 | 2019-11-05 | Chantal Lau | Instrumented feeding bottle for assessing oral feeding skills |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: Li Peng Inventor before: Zhang Junfeng |
|
| COR | Change of bibliographic data | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150914 Address after: Luohu District Songyuan road Shenzhen City, Guangdong province 518001 75 2 14B Patentee after: Kang Kai Address before: 523879 Xin'an Industrial Park, Changan Town, Dongguan, Guangdong Patentee before: DONGGUAN JIERONG TECHNOLOGY CO., LTD. |