CN108917894A - Electronic scale sensor device - Google Patents
Electronic scale sensor device Download PDFInfo
- Publication number
- CN108917894A CN108917894A CN201810494526.8A CN201810494526A CN108917894A CN 108917894 A CN108917894 A CN 108917894A CN 201810494526 A CN201810494526 A CN 201810494526A CN 108917894 A CN108917894 A CN 108917894A
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- China
- Prior art keywords
- strain
- resistance
- electronic scale
- deformation
- mechanics
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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
-
- 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
- G01G3/142—Circuits specially adapted therefor
-
- 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
- G01G3/1414—Arrangements for correcting or for compensating for unwanted effects
- G01G3/1418—Arrangements for correcting or for compensating for unwanted effects for temperature variations
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Force In General (AREA)
Abstract
The present invention provides a kind of electronic scale sensor, solves the problems, such as existing electronic scale sensor structure is complicated, the problem of production maintenance, replacement cost are higher and sensor base deformation position processing complicated production inefficiency；The present invention provides a kind of electronic scale sensor device, the electronic scale sensor device includes sensor elastomer, strain bridge circuit；Pressure-strain position is provided on the sensor elastomer, the pressure-strain position includes that deformation arch and mechanics strain face；Resistance strain gage, temperature-compensating plate and strain bridge circuit are provided on the mechanics strain face；Resistance strain gage, temperature-compensating plate and the strain bridge circuit is arranged on the same mechanics strain face.
Description
Technical field
The present invention relates to sensor fields, and in particular to arrives a kind of electronic scale sensor device.
Background technique
The sensor of existing electronic scale generally uses analog sensor, and institute is impacted in process of production for such sensor
Factor is relatively more, and trueness error is big, and fraction defective is high；Separately have it is a kind of using conventional digital sensor, including too many structure, compared with
For complexity, production, maintenance, replacement cost are higher；Another electronic scale sensor occurred in the market, uses electrostrictive strain
Bridge circuit by the deformation on two differently strained faces of detection sensor elastomer, and then is converted to resistance variations, due to needing
Detect the deformation in two faces, it is therefore desirable to carry out the layout of resistance strain gage and temperature-compensating plate on both faces, accordingly
Just there is the layout of interlock circuit route on both faces, so that entire product sensor device becomes complex, is producing
It is also required to multiple working procedure process operation in the process, production efficiency is low.
Summary of the invention
The present invention provides a kind of electronic scale sensor, solving existing electronic scale sensor, structure is complicated, production dimension
Repair, the higher problem of replacement cost and sensor base deformation position processing complicated production inefficiency the problem of；The present invention
A kind of electronic scale sensor device is provided, the electronic scale sensor device includes sensor elastomer, strain bridge electricity
Road；
Be provided with pressure-strain position on the sensor elastomer, the pressure-strain position include deformation arch with
Mechanics strains face；Resistance strain gage, temperature-compensating plate and strain bridge circuit are provided on the mechanics strain face；
Resistance strain gage, temperature-compensating plate and the strain bridge circuit is arranged on the same mechanics strain face.
The inventor of this patent is dedicated to studying that a kind of structure is simple, electronic scale sensor of high production efficiency, through excessive
Secondary experimental exploring, primary accidental experiment, discovery uses strain bridge circuit, and is disposed at sensor elastomer
On one mechanics strain face, by multiple experimental verification, adjustment, can accurately it weigh.Resistance strain gage, temperature are mended
It repays piece and strain bridge circuit is arranged on the same mechanics strain face, during production, it is only necessary to one mechanics of finish-milling
Strain face, the wiring of strain circuit and resistance strain gage and temperature-compensating plate are arranged on a mechanics strain face, not only save
Material has been saved, and has been reduced and is crossed the matrix perforation process of sensor and (if two faces set resistance strain gage, need to cross biography
Sensor elastomer converges the circuit line in two faces)；By deformation face be arranged on the same mechanics strain face, use when
It waits, also only needs to protect a face of electronic scale sensor, installation process will also become more simple and efficient；It mentions significantly
The high production efficiency of the product.
Preferably, the deformation arch at the pressure-strain position in the electronic scale sensor device includes deformation arch one and shape
Become arch two, the deformation arch one encircles transition region by deformation with deformation arch two and is connected to.Deformation arch is connected to by transition region
One encircles two with deformation, increases the sensitivity that deformation is experienced when sensor is pressurized.
Preferably, the resistance strain gage in the electronic scale sensor device includes first resistor foil gauge, the second electricity
Hinder foil gauge, 3rd resistor foil gauge, the 4th resistance strain gage；
The first resistor foil gauge, second resistance foil gauge be arranged in deformation arch one just above mechanics strain face
On；
The 3rd resistor foil gauge, the 4th resistance strain gage be arranged in deformation arch two just above mechanics strain face
On.
Herein, the surface of deformation arch is centainly arranged in resistance strain gage, is conducive to resistance strain gage to a greater extent, more
The pressure deformation for sensitively experiencing deformation arch, improves the accuracy and sensitivity of weighing.
Preferably, the first resistor foil gauge in the electronic scale sensor device, second resistance foil gauge paste side by side
Piece is combined into tensile strain piece progress patch, i.e. two resistor discs are arranged on the same foil gauge basic material；
The 3rd resistor foil gauge, the 4th resistance strain gage patch or are combined into a resistance strain gage and carry out side by side
Patch.
The substrate of two resistance strain gages arranged side by side can be combined into a progress patch herein, improve patch effect
Rate, and do not interfere with weighing accuracy.
Preferably, temperature-compensating plate and compensation electricity are provided on the mechanics strain face in the electronic scale sensor device
Resistance, the temperature-compensating plate and compensation resistance are constituted temperature-compensation circuit, the temperature-compensation circuit mesh with parallel way
Be to reduce output signal to vary with temperature and generate the influence of drift, reduce output signal weighing due to by temperature change
The influence that precision generates.Herein, temperature-compensation circuit can even not have to compensation resistance according to actually required precision.
Preferably, circuit board and threading hole are provided on the mechanics strain face in the electronic scale sensor device；Institute
The line convergence of the resistance strain gage and temperature-compensation circuit stated is pierced by circuit board, wiring by threading hole.
Circuit is converged at circuit board to draw, not only makes entire mechanical deformation face cleaner and tidier, but also can be effective
Reducing route, there is a situation where open circuit or short circuits.
The strain bridge circuit of this patent is wheatstone bridge circuits in the prior art, is connected by 4 resistance strain gages
Form wheatstone bridge circuits and temperature-compensation circuit connected to it.This product does not include A/D converter circuit, AD conversion electricity
Road and other power supplys, key, display panel are realized by external circuits；It ensures on this electronic scale sensor device as far as possible
Few attachment object, product are more simplified, and sensitivity is higher.
The design of this patent product greatly reduces the manufacturing process of electronic scale sensor, saves elastomeric material；And
Induction sensitivity is high, substantially increases the production efficiency and yields of electronic scale sensor product.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is the product schematic perspective view of this patent.
Fig. 2 is the positive above structure schematic diagram of product of this patent.
Fig. 3 is the product side structural schematic diagram of this patent.
Fig. 4 is the strain bridge circuit diagram of this patent product.
Label declaration：1, sensor elastomer；2, fixation hole；3, deformation is encircleed；31, deformation arch one；32, deformation arch two；33,
Transition region is encircleed in deformation；4, mechanics strains face；41, first resistor foil gauge；42, second resistance foil gauge；43,3rd resistor strains
Piece；44, the 4th resistance strain gage；45, temperature-compensating plate；46, circuit board；47, threading hole；5, thermo-compensator；6, pressure
Strain position
Specific embodiment
The present invention will be further described in detail below with reference to the embodiments, following embodiment be explanation of the invention and
The invention is not limited to following embodiments.
Embodiment：
As Figure 1-Figure 4, a kind of electronic scale sensor device is present embodiments provided, including sensor elastomer 1, solid
Determine hole 2, deformation arch 3, deformation arch 1, deformation arch 2 32, deformation arch transition region 33, mechanics strain face 4, first resistor foil gauge
41, second resistance foil gauge 42,3rd resistor foil gauge 43, the 4th resistance strain gage 44, temperature-compensating plate 45, circuit board 46,
Threading hole 47, thermo-compensator 5, mechanics strain position 6.Electronic scale sensor device includes sensor elastomer 1, electrostrictive strain
Bridge circuit；Pressure-strain position is provided on sensor elastomer, pressure-strain position includes that deformation arch and mechanics strain face；Power
Resistance strain gage and strain bridge circuit are provided on strain face；Resistance strain gage is arranged with strain bridge circuit same
On mechanics strain face；The deformation arch at pressure-strain position includes deformation arch one and deformation arch two, and deformation arch one encircles two-way with deformation
It crosses deformation arch transition region to be connected to, resistance strain gage includes that first resistor foil gauge, second resistance foil gauge, 3rd resistor are answered
Become piece, the 4th resistance strain gage；The mechanics just above of deformation arch one is arranged in first resistor foil gauge, second resistance foil gauge
On strain face；3rd resistor foil gauge, the 4th resistance strain gage are arranged on the mechanics strain face just above of deformation arch two.The
One resistance strain gage, second resistance foil gauge carry out patch side by side；3rd resistor foil gauge, the 4th resistance strain gage paste side by side
Piece；Temperature-compensating plate and compensation resistance are provided on mechanics strain face, temperature-compensating plate and compensation resistor coupled in parallel formation temperature are mended
Repay circuit access strain bridge circuit；Mechanics is provided with circuit board and threading hole on strain face；Resistance strain gage and temperature-compensating
The line convergence of circuit is pierced by circuit board, wiring by threading hole.
In addition, it should be noted that, the specific embodiments described in this specification, the shape of parts and components are named
Title etc. can be different.The equivalent or simple change that all structure, feature and principles described according to the invention patent design are done, is wrapped
It includes in the scope of protection of the patent of the present invention.Those skilled in the art can be to described specific implementation
Example is done various modifications or additions or is substituted in a similar manner, and without departing from structure of the invention or surmounts this
Range as defined in the claims, is within the scope of protection of the invention.
Claims (6)
1. a kind of electronic scale sensor device, it is characterised in that：The electronic scale sensor device include sensor elastomer,
Strain bridge circuit；
Pressure-strain position is provided on the sensor elastomer, the pressure-strain position includes deformation arch and mechanics
Strain face；Resistance strain gage and strain bridge circuit are provided on the mechanics strain face；
The resistance strain gage and strain bridge circuit is arranged on the same mechanics strain face.
2. electronic scale sensor device according to claim 1, it is characterised in that：The deformation at the pressure-strain position
Arch includes deformation arch one and deformation arch two, and the deformation arch one encircles transition region by deformation with deformation arch two and is connected to.
3. electronic scale sensor device according to claim 2, it is characterised in that：The resistance strain gage includes first
Resistance strain gage, second resistance foil gauge, 3rd resistor foil gauge, the 4th resistance strain gage；
The first resistor foil gauge, second resistance foil gauge be arranged in deformation arch one just above mechanics strain face on；
The 3rd resistor foil gauge, the 4th resistance strain gage be arranged in deformation arch two just above mechanics strain face on.
4. electronic scale sensor device according to claim 3, it is characterised in that：The first resistor foil gauge,
Patch or two resistance strain gages close and carry out patch in a tensile strain piece two resistance strain gages side by side；
Patch or two resistance strain gages are closed in a tensile strain side by side for the 3rd resistor foil gauge, the 4th resistance strain gage
Piece carries out patch.
5. electronic scale sensor device according to claim 3, it is characterised in that：It is provided on the mechanics strain face
Temperature-compensation circuit；The temperature-compensation circuit is made of temperature-compensating plate and compensation resistor coupled in parallel.
6. electronic scale sensor device according to claim 4, it is characterised in that：It is provided on the mechanics strain face
Circuit board and threading hole；For the line convergence of the resistance strain gage and temperature-compensation circuit in circuit board, wiring passes through threading
Hole is pierced by.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810494526.8A CN108917894A (en) | 2018-05-22 | 2018-05-22 | Electronic scale sensor device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810494526.8A CN108917894A (en) | 2018-05-22 | 2018-05-22 | Electronic scale sensor device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108917894A true CN108917894A (en) | 2018-11-30 |
Family
ID=64403473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810494526.8A Pending CN108917894A (en) | 2018-05-22 | 2018-05-22 | Electronic scale sensor device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108917894A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4432247A (en) * | 1980-11-29 | 1984-02-21 | Tokyo Electric Co. | Load cell having thin film strain gauges |
| JP2008116393A (en) * | 2006-11-07 | 2008-05-22 | Ishida Co Ltd | Load cell unit, weight checker, and balance |
| DE102008064163A1 (en) * | 2008-12-19 | 2010-07-01 | Bizerba Gmbh & Co Kg | Weighing cell, has temperature compensating device including digital temperature sensor arranged on bending bar and connected with digital evaluation device via separate line, where bending bar is connected with substrate |
| CN202836723U (en) * | 2012-08-01 | 2013-03-27 | 浙江霸王衡器有限公司 | Electronic balance sensor |
| CN204085646U (en) * | 2014-07-01 | 2015-01-07 | 梅特勒-托利多(常州)精密仪器有限公司 | Based on the LOAD CELLS of flexible PCB and flexible flat cable |
| WO2015147586A1 (en) * | 2014-03-27 | 2015-10-01 | 이연석 | Weight measuring device capable of compensating for output characteristics |
| CN206648719U (en) * | 2016-12-30 | 2017-11-17 | 山东金钟科技集团股份有限公司 | A kind of big weighing parallel girder weighing sensor of small profile |
| CN208187511U (en) * | 2018-05-22 | 2018-12-04 | 应晨聪 | A kind of electronic scale sensor device |
-
2018
- 2018-05-22 CN CN201810494526.8A patent/CN108917894A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4432247A (en) * | 1980-11-29 | 1984-02-21 | Tokyo Electric Co. | Load cell having thin film strain gauges |
| JP2008116393A (en) * | 2006-11-07 | 2008-05-22 | Ishida Co Ltd | Load cell unit, weight checker, and balance |
| DE102008064163A1 (en) * | 2008-12-19 | 2010-07-01 | Bizerba Gmbh & Co Kg | Weighing cell, has temperature compensating device including digital temperature sensor arranged on bending bar and connected with digital evaluation device via separate line, where bending bar is connected with substrate |
| CN202836723U (en) * | 2012-08-01 | 2013-03-27 | 浙江霸王衡器有限公司 | Electronic balance sensor |
| WO2015147586A1 (en) * | 2014-03-27 | 2015-10-01 | 이연석 | Weight measuring device capable of compensating for output characteristics |
| CN204085646U (en) * | 2014-07-01 | 2015-01-07 | 梅特勒-托利多(常州)精密仪器有限公司 | Based on the LOAD CELLS of flexible PCB and flexible flat cable |
| CN206648719U (en) * | 2016-12-30 | 2017-11-17 | 山东金钟科技集团股份有限公司 | A kind of big weighing parallel girder weighing sensor of small profile |
| CN208187511U (en) * | 2018-05-22 | 2018-12-04 | 应晨聪 | A kind of electronic scale sensor device |
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