CN106525207A - Weighing device for realizing multi-scale measuring way based on force bearing by sensor - Google Patents
Weighing device for realizing multi-scale measuring way based on force bearing by sensor Download PDFInfo
- Publication number
- CN106525207A CN106525207A CN201610938144.0A CN201610938144A CN106525207A CN 106525207 A CN106525207 A CN 106525207A CN 201610938144 A CN201610938144 A CN 201610938144A CN 106525207 A CN106525207 A CN 106525207A
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- CN
- China
- Prior art keywords
- metal strain
- bridge metal
- plastic cover
- strain sensor
- sensor
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G3/00—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances
- G01G3/12—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing
- G01G3/14—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing measuring variations of electrical resistance
Abstract
The invention relates to a weighing device for realizing a multi-scale measuring way based on force bearing by a sensor. The weighing device comprises an upper plastic cover, a lower plastic cover, and a glass printing board. The glass printing board is fixedly arranged on the upper plastic cover; and a plurality of weighing sensors are arranged at the lower side of the lower plastic cover. The weighing sensors consist of virtual half-bridge metal strain sensors and half-bridge metal strain sensors; the half-bridge metal strain sensors is obtained by processing strain gauges and elastomers; and each virtual half-bridge metal strain sensor includes two resistors and is free of an elastomer. In addition, the weighing device also consists of an LCD, a key PCB cable, a PCBA, and an MCU. Besides, a plurality of small tray plates are arranged on the glass printing board and correspond to the plurality of half-bridge metal strain sensors arranged at the lower side of the glass printing board in a vertical direction. Therefore, defects of the existing single-scale measuring way can be overcome and a multi-scale measuring way is realized.
Description
Technical field
The present invention relates to the measuring equipment that a kind of suitable kitchen uses, specifically a kind of more to realize using force acting on transducer
The scale pan measures the Weighing apparatus of mode, belongs to household kitchen measuring weighing instrument technical field.
Background technology
Constantly develop with economical, the continuous progress of science and technology, the measurement mode that electronics kitchen claims are also more and more
Sample, the electronic kitchen scale for occurring in the market, its measurement mode can probably be divided into two big class:
1st, by the way of single full-bridge metal strain sensor circuit collocation glass or plastics scale face, object under test is placed and scale
The measurement of weight is carried out on disk.
2nd, using four half-bridge metal strain sensor groups into full-bridge circuit collocation glass or plastics scale face by the way of, treat
Survey the measurement that object is placed and weight is carried out on the scale pan.
The electronic kitchen scale design being made up of both the above mode is simple, and only one of which claims face measure determinand, single
It is secondary also to measure a determinand, belong to the mode that single scale pan is measured, just use for the complex kitchen of environment is measured
Seem be not too handy.
The content of the invention
The problem that the present invention is present for above-mentioned prior art, there is provided one kind realizes many scale pan amounts using force acting on transducer
The Weighing apparatus of survey mode.
The technical scheme is that：A kind of utilization force acting on transducer measures the Weighing apparatus of modes realizing many scales pan,
Including upper plastic cover, lower plastic cover, glass printing plate, glass printing plate is fixedly installed on upper plastic cover；
It is characterized in that：The lower plastic cover bottom is provided with some LOAD CELLSs, and the LOAD CELLS includes virtual half-bridge gold
Category strain transducer, half-bridge metal strain sensor, the half-bridge metal strain sensor is by foil gauge and elastomer processing
Into virtual half-bridge metal strain sensor includes two resistance, and the nonelastic body of virtual half-bridge metal strain sensor；
Also include liquid crystal display LCD, button PCB winding displacements, printing board PCB A, single-chip microprocessor MCU, the single-chip microprocessor MCU with
Half-bridge metal strain sensor, virtual half-bridge metal strain sensor, liquid crystal display LCD, button PCB winding displacements, printed circuit
Plate PCBA is electrically connected；The single-chip microprocessor MCU comes with analog-digital converter；
The glass printing plate is provided with some little pallets, and some little pallets are corresponded respectively under glass printing plate in vertical direction
Some half-bridge metal strain sensors in portion.
The LOAD CELLS is 4, and 4 LOAD CELLSs are respectively placed in the corner of lower plastic cover bottom.
The little pallet is 4, and 4 little pallets correspond respectively to 4 of lower plastic cover bottom in vertical direction and weigh biography
The rectangular surfaces of sensor composition.
The battery case of placing battery is provided between the upper plastic cover, lower plastic cover, lower plastic cover is provided with and covers battery
The battery cover of groove.
By the present invention, the weak point that existing single scale pan is measured is overcome, devise a kind of brand-new many scale pan amounts
Survey mode, based on several half-bridge metal strain sensors carried merely with scale, is passed using each half-bridge metal strain
Single scale pan is measured the force-bearing situation of sensor the electronics Weighing apparatus for being changed into that many scales pan are measured.The present invention breaks through the tradition list scale pan
Measurement mode, based on half-bridge metal strain sensor, is changed by the stress of half-bridge metal strain sensor, confirms scale
The stress point position in face, and then realize that many scales pan measure the electronic kitchen scale of mode.
Description of the drawings
Fig. 1 is overall structure diagram of the present invention.
Fig. 2 is the placement location schematic diagram of 4 half-bridge metal strain sensors of the invention.
Fig. 3 is that 4 half-bridge metal strain sensors of the invention are shown with the connected mode of virtual half-bridge metal strain sensor
It is intended to.
Title face is divided into the multiple determinand schematic diagram figures of multiple scales pan measurements by calculating by Fig. 4 present invention.
In figure：It is 1 lower plastic cover, 2 liquid crystal display LCD, 3 button PCB winding displacements, 4 upper plastic covers, 5 glass printing plates, 6 little
Pallet, 7 battery covers, 8 printing board PCB A, 9 LOAD CELLSs.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings：
A kind of utilization force acting on transducer measures the Weighing apparatus of modes realizing many scales pan, including upper plastic cover 4, lower plastic cover 1,
Glass printing plate 5, glass printing plate 5 are fixedly installed on upper plastic cover 4；
In 1 bottom of lower plastic cover, some LOAD CELLSs 9 are set, LOAD CELLS 9 include virtual half-bridge metal strain sensor,
Half-bridge metal strain sensor, wherein, half-bridge metal strain sensor is processed by foil gauge and elastomer, virtual half-bridge gold
Category strain transducer includes two resistance, PCB traces, and the nonelastic body of virtual half-bridge metal strain sensor；Also set up liquid crystal
Display lcd 2, button PCB winding displacements 3, printing board PCB A8, single-chip microprocessor MCU, the single-chip microprocessor MCU and half-bridge metal strain
Sensor, virtual half-bridge metal strain sensor, liquid crystal display LCD2, button PCB winding displacements 3, printing board PCB A8 are electrically connected
Connect；The single-chip microprocessor MCU comes with analog-digital converter；Some little pallets 6, Ruo Gan little are set on the glass printing plate 5
Pallet 6 corresponds respectively to some half-bridge metal strain sensors of 5 bottom of glass printing plate in vertical direction.
In the present embodiment, LOAD CELLS 9 is 4, and 4 LOAD CELLSs 9 are respectively placed in the four of 1 bottom of lower plastic cover
Angle.Little pallet 6 is 4, and 4 little pallets 6 correspond respectively to 9 groups of 4 LOAD CELLSs of 1 bottom of lower plastic cover in vertical direction
Into rectangular surfaces.
Additionally, in the present embodiment, the battery case of placing battery is provided between upper plastic cover 4, lower plastic cover 1, under plastics
The battery cover 7 for covering battery case is provided with lid 1.
Referring to accompanying drawing, in the present invention:
1st, as shown in Fig. 2 Fig. 2 is the placement location of four half-bridge metal strain sensors that A, B, C, D distinguish scale body, four
Half-bridge metal strain sensor placement location is right angle quadrangle, and its both sides spacing every N, M, N and M are respectively four half-bridge gold
The distance between category strain transducer, F are scale face stress point, and J and I is the distance that stress point and half-bridge metal strain pass sensor
2nd, on scale body circuit in addition to four half-bridge metal strain sensors, in addition it is also necessary to 1 nothing being made up of two measuring resistances
The virtual half-bridge metal strain sensor of elastomer, four half-bridge metal strain sensors and virtual half-bridge gold of the Fig. 3 for scale body
The connected mode of category strain transducer.
3rd, Fig. 4 is title face is divided into the multiple scales pan to measure multiple determinand schematic diagrames by calculating, the four and half of scale body
Bridge metal strain sensor and virtual half-bridge metal strain sensor need to carry out two two-phases by directly or indirectly mode
Multiple combination even.
4th, with one of half-bridge metal strain sensor as origin, other remaining three half-bridge metal strain sensors are X, Y
Scale face stress F, by force resolution, is converted into the force-bearing situation of four half-bridge metal strain sensors, respectively by direction of principal axis
Fa, Fb, Fc, Fd, with the origin that half-bridge metal strain sensors A is whole scale face, can list below equation according to engineering mechanics:
F=Fa+Fb+Fc+Fd (1-a)
I=M(Fb+Fc)/F (1-b)
J=N(Fc+Fd)/F (1-c)
Can draw scale face stress F and origin apart from I, J, and then obtain the coordinate of scale face stress point F.
5th, face is claimed to be divided into multiple scales pan, the length and width of each scale pan the rectangle that X, Y-axis build according to the demand of product
Size m, n can be defined according to product demand, and using the coordinate of stress point F, then the arithmetic element of the MCU that arranges in pairs or groups can confirm that and receive
Which scale pan force F puts at, thus obtains the weight of determinand on this scale pan.
6th, by that analogy, the weight of determinand on other scales pan can also be equally obtained, and weight amount is shown and shown
Show on device, so as to realize the function of many scales pan measurements.
7th, determinand weight wisdom can be uploaded to mobile phone A PP after the completion of measuring carries out the analysis of data, and user can be led to
Cross mobile phone APP and recognize the information such as the blend proportion of food nutrition.
In the present invention, weighing device, it includes the scale face of a load, at least four half-bridges metal strain sensor
A virtual half-bridge metal strain sensor of nonelastic body is constituted with two measuring resistances, wherein four half-bridge metal strains
Sensor is processed by foil gauge and elastomer, bears scale face weight, and virtual half-bridge metal strain is passed in weighing device
Sensor is not subject to scale face weight also nonelastic body.One title face can be made as the measurement that multiple scales pan carry out multiple determinands
With.Also include:Liquid crystal display (LCD), printed circuit board (PCB) (PCBA), single-chip microcomputer (MCU), single-chip microcomputer (MCU) directly with 4 half
Bridge metal strain sensor and 1 virtual half-bridge metal strain sensor are coupled together on circuit, connected mode such as Fig. 3, together
When also provide Work Incentive power supply for sensor, and control the combination connecting mode of sensor, and single-chip microcomputer (MCU) can lead to
Cross the telecommunications that its analog-digital converter (Analog to Digital Converter) for carrying is measured under each connected mode
Number, the respective force-bearing situation of four half-bridge metal strain sensors is calculated, while also measuring weight suffered on multiple scales pan
And shown by display simultaneously.Any amount scale pan can be set according to product demand, the length and width size of the scale pan arbitrarily can be determined
Justice, the determinand weight on the scale pan can multiple displays simultaneously.
Claims (4)
1. a kind of utilization force acting on transducer measures the Weighing apparatus of modes, including upper plastic cover realizing many scales pan（4）, under plastics
Lid（1）, glass printing plate（5）, glass printing plate（5）It is fixedly installed on upper plastic cover（4）On；
It is characterized in that：The lower plastic cover（1）Bottom is provided with some LOAD CELLSs（9）, the LOAD CELLS（9）Including void
Intend half-bridge metal strain sensor, half-bridge metal strain sensor, the half-bridge metal strain sensor is by foil gauge and elasticity
Body is processed, and virtual half-bridge metal strain sensor includes two resistance, and virtual half-bridge metal strain sensor is nonelastic
Body；
Also include liquid crystal display LCD（2）, button PCB winding displacements（3）, printing board PCB A（8）, single-chip microprocessor MCU, the list
Piece machine MCU and half-bridge metal strain sensor, virtual half-bridge metal strain sensor, liquid crystal display LCD（2）, button PCB row
Line（3）, printing board PCB A（8）Electrical connection；The single-chip microprocessor MCU comes with analog-digital converter；
The glass printing version（5）It is provided with some little pallets（6）, some little pallets（6）Glass is corresponded respectively in vertical direction
Glass galley（5）Some half-bridge metal strain sensors of bottom.
2. utilization force acting on transducer according to claim 1 measures the Weighing apparatus of modes, its feature realizing many scales pan
It is：The LOAD CELLS（9）For 4,4 LOAD CELLSs（9）It is respectively placed in lower plastic cover（1）The corner of bottom.
3. utilization force acting on transducer according to claim 2 measures the Weighing apparatus of modes, its feature realizing many scales pan
It is：The little pallet（6）For 4,4 little pallets（6）Lower plastic cover is corresponded respectively in vertical direction（1）4 titles of bottom
Retransmit sensor（9）The rectangular surfaces of composition.
4. utilization force acting on transducer according to claim 1 measures the Weighing apparatus of modes, its feature realizing many scales pan
It is：The upper plastic cover（4）, lower plastic cover（1）Between be provided with the battery case of placing battery, lower plastic cover（1）It is provided with and covers
The battery cover of battery case（7）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610938144.0A CN106525207A (en) | 2016-10-25 | 2016-10-25 | Weighing device for realizing multi-scale measuring way based on force bearing by sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610938144.0A CN106525207A (en) | 2016-10-25 | 2016-10-25 | Weighing device for realizing multi-scale measuring way based on force bearing by sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106525207A true CN106525207A (en) | 2017-03-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610938144.0A Pending CN106525207A (en) | 2016-10-25 | 2016-10-25 | Weighing device for realizing multi-scale measuring way based on force bearing by sensor |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107894273A (en) * | 2017-11-15 | 2018-04-10 | 广东沃莱科技有限公司 | A kind of center of gravity measurement human electronic weigher and measuring method |
| CN107966193A (en) * | 2017-11-02 | 2018-04-27 | 广东乐心医疗电子股份有限公司 | It is a kind of can subregion measurement electronic scale |
| CN109425420A (en) * | 2017-08-29 | 2019-03-05 | 梅特勒-托利多(常州)精密仪器有限公司 | A kind of weighing method and its storage medium |
| CN109489789A (en) * | 2018-11-20 | 2019-03-19 | 芯海科技（深圳）股份有限公司 | A kind of scale and method of measurable quadrangle weight value |
| CN109540269A (en) * | 2017-09-21 | 2019-03-29 | 云南海潮集团听牧肉牛产业股份有限公司 | A kind of a large amount of range load cells |
| US20200359843A1 (en) * | 2018-02-06 | 2020-11-19 | Xiushan Ye | Food processor |
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| CN103383280A (en) * | 2013-06-26 | 2013-11-06 | 浙江工业大学 | Weighing device with combined scales |
| CN203323855U (en) * | 2013-06-07 | 2013-12-04 | 深圳市汇思科电子科技有限公司 | Double scale tray electronic platform scale |
| CN103837216A (en) * | 2014-03-20 | 2014-06-04 | 可瑞尔科技(扬州)有限公司 | Weighing device for achieving functions of key through sensor stress |
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| JP2010181224A (en) * | 2009-02-04 | 2010-08-19 | Tanita Corp | Method of manufacturing multipoint type balance, and multipoint type balance |
| CN203323855U (en) * | 2013-06-07 | 2013-12-04 | 深圳市汇思科电子科技有限公司 | Double scale tray electronic platform scale |
| CN103383280A (en) * | 2013-06-26 | 2013-11-06 | 浙江工业大学 | Weighing device with combined scales |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109425420A (en) * | 2017-08-29 | 2019-03-05 | 梅特勒-托利多(常州)精密仪器有限公司 | A kind of weighing method and its storage medium |
| CN109425420B (en) * | 2017-08-29 | 2022-04-19 | 梅特勒-托利多(常州)精密仪器有限公司 | Weighing method and storage medium thereof |
| CN109540269A (en) * | 2017-09-21 | 2019-03-29 | 云南海潮集团听牧肉牛产业股份有限公司 | A kind of a large amount of range load cells |
| CN109540269B (en) * | 2017-09-21 | 2020-10-27 | 云南海潮集团听牧肉牛产业股份有限公司 | Wide-range weighing sensor |
| CN107966193A (en) * | 2017-11-02 | 2018-04-27 | 广东乐心医疗电子股份有限公司 | It is a kind of can subregion measurement electronic scale |
| CN107894273A (en) * | 2017-11-15 | 2018-04-10 | 广东沃莱科技有限公司 | A kind of center of gravity measurement human electronic weigher and measuring method |
| US20200359843A1 (en) * | 2018-02-06 | 2020-11-19 | Xiushan Ye | Food processor |
| CN109489789A (en) * | 2018-11-20 | 2019-03-19 | 芯海科技（深圳）股份有限公司 | A kind of scale and method of measurable quadrangle weight value |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170322 |