CN106153222B - A kind of combination load cell - Google Patents
A kind of combination load cell Download PDFInfo
- Publication number
- CN106153222B CN106153222B CN201610799728.4A CN201610799728A CN106153222B CN 106153222 B CN106153222 B CN 106153222B CN 201610799728 A CN201610799728 A CN 201610799728A CN 106153222 B CN106153222 B CN 106153222B
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- foil gauge
- spoke
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- verification
- gauge
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/20—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
- G01L1/22—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
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- General Physics & Mathematics (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention discloses a kind of combination load cells.The sensor includes an elastomer and multiple foil gauges, the foil gauge is mounted on the elastomer, the foil gauge includes detection foil gauge and verification foil gauge, the detection foil gauge for detecting Test Loading Value for Loading, the verification foil gauge be used for the detection strain measurement to Test Loading Value for Loading verify.The load cell can verify the data that foil gauge measures, the accuracy of institute's measured data is ensured, simultaneously, detect foil gauge and verification foil gauge uniform intervals setting, make to detect foil gauge and verifies foil gauge to bridge pressure reflection effect having the same, so that verification foil gauge meets the standard of the calibration tool as detection foil gauge, the accuracy of institute's measured data has further been ensured.
Description
Technical field
The present invention relates to fields of measurement, more particularly to a kind of combination load cell.
Background technique
In bridge static loading test, to apply certain power to bridge, detect bridge by measuring the deformation of bridge
True stress, and in the prior art, the truth for accurately reacting bridge force-bearing is tended not to the measurement of bridge force-bearing, into
And the test result entirely tested is impacted.
Summary of the invention
The object of the present invention is to provide the combination load cells that one kind can really reflect bridge force-bearing, can be bridge
Manufacture reliable data are provided.
To achieve the above object, the present invention provides following schemes:
A kind of combination load cell, the sensor include an elastomer and multiple foil gauges, the foil gauge installation
On the elastomer, the foil gauge includes detection foil gauge and verification foil gauge, and the detection foil gauge is for detecting examination
Test payload values, the verification foil gauge be used for the detection strain measurement to Test Loading Value for Loading verify.
Optionally, the elastomer includes even number spoke, and the strain gauge adhesion is in the two sides of the spoke.
Optionally, the spoke is divided into detection spoke and verification two class of spoke, the detection spoke and the verification spoke
Uniform intervals setting, the detection strain gauge adhesion is on the detection spoke, and the verification strain gauge adhesion is in the verification
On spoke.
Optionally, the number for the foil gauge that the two sides of every spoke are pasted is even number, on every spoke
It is provided with the detection foil gauge and the verification foil gauge, the detection foil gauge and the verification foil gauge are in the spoke
Lateral thickness direction on uniform intervals setting.
Optionally, the foil gauge of the spoke two sides is mutually perpendicular to, and the ipsilateral foil gauge of the spoke is parallel to each other.
Optionally, the foil gauge and the center line of the spoke side are in tilted layout at 45 degree of angular direction.
Optionally, the elastomer includes even number spoke, and the two sides of the spoke are pasted with strain rosette, the strain rosette
Including foil gauge bearing structure and foil gauge, the foil gauge is installed on the foil gauge with pre-set mounting means and carries
Among structure.
The specific embodiment provided according to the present invention, the invention discloses following technical effects: dynamometry provided by the invention
The sensing element foil gauge of sensor is divided into detection foil gauge and verification foil gauge, can carry out school to the data that foil gauge measures
It tests, has ensured the accuracy of institute's measured data, meanwhile, detection foil gauge and verification foil gauge uniform intervals setting strain detection
Piece and verification foil gauge strain bridge pressure reflection effect having the same so that verification foil gauge meets as detection
The standard of the calibration tool of piece has further ensured the accuracy of institute's measured data.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without any creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the side view that the embodiment of the present invention combines load cell；
Fig. 2 is the top view that the embodiment of the present invention combines load cell；
Fig. 3 is the schematic diagram of foil gauge of embodiment of the present invention mounting means；
Fig. 4 is the schematic diagram of foil gauge of embodiment of the present invention packet mode；
Fig. 5 is the top view of foil gauge of embodiment of the present invention packet mode；
Fig. 6 is the first foil gauge of embodiment of the present invention signal output apparatus schematic diagram；
Fig. 7 is the second foil gauge of embodiment of the present invention signal output apparatus schematic diagram；
Fig. 8 is the side view of foil gauge of embodiment of the present invention packet mode；
Fig. 9 is the top view of foil gauge of embodiment of the present invention packet mode；
Figure 10 is the first foil gauge of embodiment of the present invention redundant signals output circuit schematic diagram；
Figure 11 is the second foil gauge of embodiment of the present invention redundant signals output circuit schematic diagram；
Figure 12 is the structural schematic diagram of strain rosette of the embodiment of the present invention.
101, loading end 102, supporting surface 103, safeguard protection supporting surface 201, spoke 301, foil gauge 401, detection
Spoke 402, verification spoke 403, detection spoke 404, verification spoke 405, detection spoke 406, verification spoke 407, inspection
Measuring wheel spoke 408, verification spoke 501-1, foil gauge 501-2, foil gauge 502-1, foil gauge 502-2, foil gauge 503-
1, foil gauge 503-2, foil gauge 504-1, foil gauge 504-2, foil gauge 505-1, foil gauge 505-2, foil gauge
506-1, foil gauge 506-2, foil gauge 507-1, foil gauge 507-2, foil gauge 508-1, foil gauge 508-2, foil gauge
509-1, foil gauge 509-2, foil gauge 510-1, foil gauge 510-2, foil gauge 511-1, foil gauge 511-2, foil gauge
512-1, foil gauge 512-2, foil gauge 513-1, foil gauge 513-2, foil gauge 514-1, foil gauge 514-2, foil gauge
515-1, foil gauge 515-2, foil gauge 516-1, foil gauge 516-2, foil gauge 901-1, foil gauge 901-2, foil gauge
901-3, foil gauge 902-1, foil gauge 902-2, foil gauge 902-3, foil gauge 903-1, foil gauge 903-2, foil gauge
903-3, foil gauge 904-1, foil gauge 904-2, foil gauge 904-3, foil gauge 905-1, foil gauge 905-2, foil gauge
905-3, foil gauge 906-1, foil gauge 906-2, foil gauge 906-3, foil gauge 907-1, foil gauge 907-2, foil gauge
907-3, foil gauge 908-1, foil gauge 908-2, foil gauge 908-3, foil gauge 909-1, foil gauge 909-2, foil gauge
909-3, foil gauge 910-1, foil gauge 910-2, foil gauge 910-3, foil gauge 910-1, foil gauge 910-2, foil gauge
910-3, foil gauge 910-1, foil gauge 910-2, foil gauge 910-3, foil gauge 911-1, foil gauge 911-2, foil gauge
911-3, foil gauge 912-1, foil gauge 912-2, foil gauge 912-3, foil gauge 913-1, foil gauge 913-2, foil gauge
913-3, foil gauge 914-1, foil gauge 914-2, foil gauge 910-4, foil gauge 915-1, foil gauge 915-2, foil gauge
915-3, foil gauge 916-1, foil gauge 916-2, foil gauge 916-3, foil gauge 121, foil gauge bearing structure
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The object of the present invention is to provide the combination load cells that one kind can really reflect bridge force-bearing, can be bridge
Manufacture reliable data are provided.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
Fig. 1 is the side view that the embodiment of the present invention combines load cell, as shown in Figure 1, load cell is an elasticity
Body, outer ring are supporting surface 102, and inner ring is loading end 101, and the bottom surface of outer ring is slightly prominent compared with the bottom surface of inner ring, is formed between one
Gap, this gap be deformation preset clearance, when overload when deflection be greater than deformation preset clearance after, inner ring bottom contact mounting surface and
It can not deform, i.e., inner ring bottom is designed as safeguard protection supporting surface 103.
Fig. 2 be the embodiment of the present invention combine load cell top view, as shown in Fig. 2, covers disposed on sensor be equipped with it is a plurality of
Spoke 201, the number of spoke can take the even number between 6-18, generally 4 integer several times, and the number of the present embodiment spoke is
8, the two sides of every spoke are provided with foil gauge, for measuring the pressure that bridge is subject to.
Fig. 3 is the schematic diagram of foil gauge of embodiment of the present invention mounting means, and strain gauge adhesion is in the two sides of spoke, such as Fig. 3
Shown, foil gauge 301 is affixed on the center of spoke side, and arranges with spoke side vertical center line at 45 degree of overturning angles,
When there are multiple foil gauges in spoke side, multiple foil gauges are arranged in parallel on spoke thickness direction, the strain of the two sides of spoke
Piece is mutually perpendicular to.The center of spoke is strain center, and the strain gauge for being affixed on spoke centre answers tension stress or compression, is driven
Strain gauge deformation, causes the resistance value of strain gauge to increase or reduce, and exports the voltage to match with suffered stress intensity
Signal.
Fig. 4 is the schematic diagram of foil gauge of embodiment of the present invention packet mode, as shown in figure 4,8 spoke uniform intervals are set
It sets, wherein spoke 401,403,405,407 is detection spoke, and spoke 402,4041,406,408 is verification spoke, detects spoke
All detection foil gauges of upper arrangement, all verification foil gauges of verification spoke arrangement, the data that detection foil gauge measures
The data measured with verification foil gauge are mutually indepedent, and verification data are for verifying detection data.
As the another embodiment of foil gauge of the present invention grouping, Fig. 5 is foil gauge of embodiment of the present invention packet mode
Top view, the side of every spoke pastes there are two foil gauge, as shown in figure 5, foil gauge 501-2,502-1,503-1,
504-2、505-2、506-1、507-1、508-2、509-2、510-1、511-1、512-2、513-2、514-1、515-1、516-2
Number foil gauge composition signal output apparatus all the way, (Fig. 6 is that the first foil gauge of the embodiment of the present invention is believed to circuit diagram as shown in Figure 6
Number output circuit schematic diagram), and foil gauge 501-1,502-2,503-1,505-1,506-2,507-2,508-1,509-1,
510-2,511-2,512-1,513-1,514-2,515-2,516-1 foil gauge form another way signal output apparatus, electricity
Road figure is as shown in Figure 7 (Fig. 7 is the first foil gauge signal output apparatus of embodiment of the present invention schematic diagram).Two groups of signals are mutually only
It is vertical, wherein one group of conduct signal will be detected, another set is as checking signal.
Fig. 8 is the side view of foil gauge of embodiment of the present invention packet mode, as shown in figure 8, the side of every spoke is pasted
Have 3 foil gauges, Fig. 9 is the top view of foil gauge of embodiment of the present invention packet mode, foil gauge 801-2,802-1,803-1,
804-2、805-2、806-1、807-1、808-2、809-2、810-1、811-1、812-2、813-2、814-1、815-1、816-2
Number foil gauge composition signal output apparatus all the way, foil gauge 801-1,802-2,803-2,805-1,806-2,807-2,808-1,
809-1,810-2,811-2,812-1,813-1,814-2,815-2,816-1 foil gauge form another way signal output electricity
Road, wherein one group as detection signal, another set is as checking signal, and 801-3,802-3,805-3,806-3,809-
3,810-3,813-3,814-3 and 803-3,804-3,807-3,808-3,811-3,812-3,815-3,816-3 have energy respectively
The relatively low redundancy model output of output accuracy, (Figure 10 is that the first foil gauge of the embodiment of the present invention is superfluous to circuit diagram such as Figure 10
Remaining signal output apparatus schematic diagram), 11 (Figure 11 be the second foil gauge of embodiment of the present invention redundant signals output circuit schematic diagram)
Shown, each group signal is mutually indepedent.
Figure 12 is the structural schematic diagram of strain rosette of the embodiment of the present invention, and as shown in figure 12, foil gauge is installed on foil gauge and holds
It carries among structure 121, foil gauge bearing structure 121 is pasted on the two sides of spoke.
Data measured by detection foil gauge and verification foil gauge pass through the data that signal wire guides to sensor external respectively
Processor, two groups of data are mutually indepedent, and the verification data that verification foil gauge measures are used for the testing number measured to detection foil gauge
According to being verified, if the difference guarantee of detection data and verification data is in the range of 0.1%, then it is assumed that this group of data have
Effect, otherwise it is assumed that this group of data invalid, if sensor continuous several times measure invalid data, system prompt operator,
The sensor there is a problem, need to overhaul.
The sensing element foil gauge of load cell provided by the invention is divided into detection foil gauge and verification foil gauge, can
The data that foil gauge measures are verified, have ensured the accuracy of institute's measured data, meanwhile, detection foil gauge and verification foil gauge
Uniform intervals setting makes to detect foil gauge and verifies foil gauge to bridge pressure reflection effect having the same, so that school
The standard for testing the calibration tool that foil gauge meets as detection foil gauge, has further ensured the accuracy of institute's measured data.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
Used herein a specific example illustrates the principle and implementation of the invention, and above embodiments are said
It is bright to be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art, foundation
Thought of the invention, there will be changes in the specific implementation manner and application range.In conclusion the content of the present specification is not
It is interpreted as limitation of the present invention.
Claims (4)
1. a kind of combination load cell, which is characterized in that the sensor includes an elastomer and multiple foil gauges, described to answer
Become piece to be mounted on the elastomer, the foil gauge includes detection foil gauge and verification foil gauge, and the detection foil gauge is used
In detection Test Loading Value for Loading, it is described verification foil gauge be used for it is described detection strain measurement to Test Loading Value for Loading carry out school
It tests；The elastomer includes even number spoke, and the strain gauge adhesion is in the two sides of the spoke；It pastes the two sides of every spoke
The number of foil gauge be even number, the detection foil gauge and the verification foil gauge are provided on every spoke, it is described
The ipsilateral of every spoke is arranged in detection foil gauge and the verification foil gauge；The foil gauge of the spoke two sides is mutually perpendicular to,
The ipsilateral foil gauge of the spoke is parallel to each other.
2. load cell according to claim 1, which is characterized in that the spoke is divided into detection spoke and verification spoke
Two classes, the detection spoke and verification spoke uniform intervals setting, the detection strain gauge adhesion is in the detection spoke
On, the verification strain gauge adhesion is on the verification spoke.
3. load cell according to claim 1, which is characterized in that the center of the foil gauge and the spoke side
Line is in tilted layout at 45 degree of angular direction.
4. load cell according to claim 1, which is characterized in that the elastomer includes even number spoke, described
The two sides of spoke are pasted with strain rosette, and the strain rosette includes foil gauge bearing structure and foil gauge, and the foil gauge is with preparatory
The mounting means of setting is installed among the foil gauge bearing structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610799728.4A CN106153222B (en) | 2016-08-31 | 2016-08-31 | A kind of combination load cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610799728.4A CN106153222B (en) | 2016-08-31 | 2016-08-31 | A kind of combination load cell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106153222A CN106153222A (en) | 2016-11-23 |
| CN106153222B true CN106153222B (en) | 2019-01-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610799728.4A Active CN106153222B (en) | 2016-08-31 | 2016-08-31 | A kind of combination load cell |
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| CN (1) | CN106153222B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113155334B (en) * | 2021-03-22 | 2023-11-24 | 安徽理工大学 | Full-range axial force transducer |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001147165A (en) * | 1999-11-19 | 2001-05-29 | Resuka:Kk | Load cell |
| CN2599555Y (en) * | 2003-01-15 | 2004-01-14 | 深圳市清华传感设备有限公司 | Floral spoke rib elastic body force cell |
| CN102072791A (en) * | 2009-11-21 | 2011-05-25 | 杭州钱江称重技术有限公司 | Dynamic-static four-in-one rail pad sensor |
| CN102095363A (en) * | 2010-12-08 | 2011-06-15 | 长安大学 | Multidimensional sensor for detecting dynamic response of bituminous pavement |
| CN203037441U (en) * | 2012-12-12 | 2013-07-03 | 中国航空工业空气动力研究院 | Single-component rod low-speed hinge moment measuring device |
| CN104344993A (en) * | 2013-07-23 | 2015-02-11 | 国家电网公司 | Method for testing and measuring member bearing capacity and material performance parameters |
| CN105675097A (en) * | 2016-03-23 | 2016-06-15 | 无锡研测技术有限公司 | Redundancy weighing sensor |
| CN206038194U (en) * | 2016-08-31 | 2017-03-22 | 北京华横新技术开发公司 | Combination force cell sensor |
-
2016
- 2016-08-31 CN CN201610799728.4A patent/CN106153222B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001147165A (en) * | 1999-11-19 | 2001-05-29 | Resuka:Kk | Load cell |
| CN2599555Y (en) * | 2003-01-15 | 2004-01-14 | 深圳市清华传感设备有限公司 | Floral spoke rib elastic body force cell |
| CN102072791A (en) * | 2009-11-21 | 2011-05-25 | 杭州钱江称重技术有限公司 | Dynamic-static four-in-one rail pad sensor |
| CN102095363A (en) * | 2010-12-08 | 2011-06-15 | 长安大学 | Multidimensional sensor for detecting dynamic response of bituminous pavement |
| CN203037441U (en) * | 2012-12-12 | 2013-07-03 | 中国航空工业空气动力研究院 | Single-component rod low-speed hinge moment measuring device |
| CN104344993A (en) * | 2013-07-23 | 2015-02-11 | 国家电网公司 | Method for testing and measuring member bearing capacity and material performance parameters |
| CN105675097A (en) * | 2016-03-23 | 2016-06-15 | 无锡研测技术有限公司 | Redundancy weighing sensor |
| CN206038194U (en) * | 2016-08-31 | 2017-03-22 | 北京华横新技术开发公司 | Combination force cell sensor |
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| Publication number | Publication date |
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| CN106153222A (en) | 2016-11-23 |
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| CB03 | Change of inventor or designer information |
Inventor after: Zhou Yonggui Inventor after: Sun Jingeng Inventor after: Li Shilin Inventor after: Wu Jun Inventor after: Gu Zenghua Inventor after: Li Jialin Inventor after: Jiang Huizeng Inventor after: Yan Xuehe Inventor before: Zhou Yonggui Inventor before: Liu Yue Inventor before: Sun Jingeng Inventor before: Li Shilin Inventor before: Wu Jun Inventor before: Gu Zenghua Inventor before: Li Jialin Inventor before: Jiang Huizeng |
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Effective date of registration: 20170209 Address after: 100000 Beijing city Haidian District Daliushu Road No. 2 Applicant after: Beijing Huaheng New Technology Development Co., Ltd. Address before: 100000 Beijing city Haidian District Daliushu Road No. 2 Building No. 143 west 7 Applicant before: Zhou Yonggui Applicant before: Liu Yue Applicant before: Sun Jingeng Applicant before: Li Shilin Applicant before: Wu Jun Applicant before: Gu Zenghua Applicant before: Li Jialin Applicant before: Jiang Huizeng Applicant before: Beijing Huaheng New Technology Development Co., Ltd. |
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