WO2006006670A1 - 荷重センサ - Google Patents
荷重センサ Download PDFInfo
- Publication number
- WO2006006670A1 WO2006006670A1 PCT/JP2005/013045 JP2005013045W WO2006006670A1 WO 2006006670 A1 WO2006006670 A1 WO 2006006670A1 JP 2005013045 W JP2005013045 W JP 2005013045W WO 2006006670 A1 WO2006006670 A1 WO 2006006670A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- strain
- load
- sensor plate
- center
- sensor
- Prior art date
Links
Classifications
-
- 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
- G01L1/26—Auxiliary measures taken, or devices used, in connection with the measurement of force, e.g. for preventing influence of transverse components of force, for preventing overload
-
- 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
- G01L1/2206—Special supports with preselected places to mount the resistance strain gauges; Mounting of supports
- G01L1/2231—Special supports with preselected places to mount the resistance strain gauges; Mounting of supports the supports being disc- or ring-shaped, adapted for measuring a force along a single direction
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/04—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands
- G01L5/10—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands using electrical means
- G01L5/101—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands using electrical means using sensors inserted into the flexible member
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49007—Indicating transducer
Definitions
- the present invention relates to a load sensor for measuring a load applied to an object to be measured from its displacement, and more particularly to a load sensor for measuring a load applied to a vehicle seat.
- a load sensor particularly a load cell
- one end of an arm 50 is fixed, a receiving tray 53 is provided at the other end, and a piece for applying a load to the receiving tray 53 is provided.
- a structure with a holding beam was used.
- a strain gauge 54 was directly attached to the arm 50 deformed by the applied load, and the load applied from the strain of the arm 50 was measured.
- a hole 51 is formed on the inner side of the arm 50, and thin thin portions 52 are provided at two locations at the top and bottom.
- a strain gauge 54 is affixed to each of the thin portions 52, and the strain of the thin portions 52 is detected.
- This type of load cell is generally referred to as a robanol mechanism.
- the load is applied to the tray 53 at positions PI and P2 that are shifted in the left-right direction perpendicular to the axial direction in which the arm 50 extends together with the target load. If added, an error occurs in the detected load. In order to suppress this error, four-corner adjustment has been performed in which the corner of the thin portion 52 is scraped by trial and error while changing the load application portion.
- the patent document separately provides a portion that is displaced by force and a portion that is distorted in response to the displacement of this portion, and integrates them.
- An invention relating to such a load cell is shown. According to this load cell, the displacing part and the distorting part are connected and supported by the connecting shaft, and the adverse effect due to the uneven load is suppressed as much as possible.
- Patent Document 1 Japanese Patent Laid-Open No. 2003-166885
- a load sensor that can be formed.
- a strain body that is formed integrally with a mounting portion that is attached to a measurement object and is displaced according to the weight or load of the measurement object, and the strain A sensor plate connected to the body and distorted according to the displacement of the strain generating body, and the sensor plate A strain gauge attached to a cable, and a housing portion for housing the sensor plate and a holder for holding the sensor plate is formed inside the strain generating body.
- the center is aligned with the center of the mounting portion and the center of the strain generating body and connected to the center of the strain generating body, and its outer peripheral surface is joined to the inner peripheral surface of the holder.
- a load sensor characterized in that the outer peripheral surface is joined to an upright wall on the outer edge of the storage portion is adopted.
- a base end of a transmission rod extending in an axial direction of the mounting portion is connected to a bottom surface of the storage portion at the center of the strain body.
- the sensor plate is configured such that the center of the sensor plate is connected to the tip of the transmission rod.
- the transmission rod is formed integrally with the strain body, and the bottom surface of the storage portion of the strain body is formed around the base end of the transmission rod. Was deformed to form a deformation allowing portion for allowing deformation of the transmission rod.
- the storage portion has a uniform amount of strain at an arbitrary point from the upright wall to the center of the outer edge of the storage portion with respect to the radial direction. As shown in FIG.
- a mounting seat that is in close contact with the surface of the object to be measured is formed in the mounting portion at a position separated from the strain generating body by a predetermined boundary force.
- the outer diameter of the portion between the strain generating body and the mounting seat is made relatively thin to prevent a load unnecessary for measurement from being absorbed by the mounting seat and transmitted to the strain generating body. It is characterized by that.
- the present invention relates to the load sensor described above, wherein the holder is provided with a buffer function for buffering a load unnecessary for measurement transmitted from the strain generating body.
- the strain-generating body is provided with a thin-walled portion or notch portion as a strain gauge setting portion, and a rigidity that does not cause strain. It is not necessary to provide a high part. As a result, the load sensor can be made compact. [0017] Further, since it is not necessary to provide a thin wall portion or a notch portion, the allowable load can be set high. For this reason, it can form in the structure which provides a both-ends thread part and a flange part, and can make the said load sensor itself function as a fastening component.
- a mounting seat is provided at a position away from the strain-generating body, and the diameter of the mounting seat is narrowed at the portion between the strain-generating body and the mounting seat, bending moment and twist generated during tightening are reduced. Prevents the load from being transmitted to the sensor plate. This effectively prevents the occurrence of measurement errors.
- the structure can be simplified, in addition to being able to reduce the failure rate, the appearance can be simply formed, and the structure can be easily installed.
- strain gauge formed in a single film formation process and photolithography process as the strain gauge may cause the overall position relative to the sensor plate and the position between the strain gauges to shift. Even in this respect, high reliability can be obtained.
- the holder since the holder has a buffer function, even if the joint portion expands or narrows in the radial direction, the holder effectively prevents the deformation from being transmitted. . As a result, the sensor plate does not expand and contract, and an accurate measurement result can be obtained without causing excessive strain in the strain gauge.
- FIG. 1 is a longitudinal sectional view showing an internal structure of a load sensor according to an embodiment of the present invention.
- FIG. 2 is a cross-sectional view of the load sensor shown in FIG.
- FIG. 3 is a longitudinal sectional view of a strain generating body.
- FIG. 4 is a longitudinal sectional view and a plan view of a sensor plate.
- FIG. 5 A perspective view of a load sensor according to an embodiment.
- FIG. 6 is a perspective view of a load sensor according to another embodiment.
- FIG. 7 is a perspective view of a load sensor according to another embodiment.
- FIG. 8 is a perspective view of a load sensor for further use in another embodiment.
- FIG. 9 is a diagram showing a state of the strain generating body and the sensor plate in an unloaded state.
- FIG. 10 is a diagram showing a state of the strain body and the sensor plate when an expansion / contraction load is applied to the load sensor.
- FIG. 11 A diagram showing the effect of mounting a load sensor.
- FIG. 12 is a diagram showing that the influence received when the load sensor of the present invention is attached is cut off.
- FIG. 13 is an explanatory view showing a state of the strain generating body and the sensor plate when a moment acts.
- FIG. 14 is a diagram showing an example of a load cell conventionally used.
- FIG. 15 is a plan view of the load cell shown in FIG.
- FIG. 1 and FIG. 2 show the internal structure of the load sensor 1 that is applied to one embodiment of the present invention.
- the load sensor 1 measures the weight or load of a measurement object (not shown) to which the load sensor 1 is attached.
- the load sensor 1 includes a main body portion 2 and a housing 20 that is combined with the main body portion 2 so as to cover the main body portion 2 from below.
- the main body 2 is formed with a screw portion 9 as an attachment portion to be attached to the measurement object and the screw portion 9, and projects outward in the radial direction at one end in the axial direction of the screw portion 9.
- the strain body 3 provided is provided.
- the threaded portion 9 is formed with a flange 10 projecting outward in the radial direction at a position slightly away from the strain generating body 3 in the axial direction.
- the portion between the flange 10 and the strain body 3 is provided with a load noise blocking portion 18 having an outer diameter smaller than that of the flange portion 10.
- the strain body 3 is formed in a substantially disc shape so that the center thereof coincides with the axis of the threaded portion 9.
- an upright wall 15 formed at a certain height is formed so as to protrude downward.
- a protrusion 15a is formed at the lower portion of the upright wall 15 so that the inner side of the wall thickness protrudes further downward than the outer side.
- the housing 20 is joined to the lower end of the upright wall 15 so as to cover the strain body 3 from below.
- a circular recess is formed in the inner portion of the strain generating body 3 with its lower end surface recessed upward. This recess is the storage part 5 and is a sensor plate with a doubly supported beam shape 13 Is stored inside.
- the strain body 3 is integrally formed so as to form one member with the transmission head 7 force projecting downward from the center of the upper surface 5 b of the storage portion 5.
- the upper surface 5b of the storage part 5 is provided with a deformation allowing part 8 which is recessed by a certain depth so as to surround the periphery of the base end part of the transmission rod 7.
- the deformation allowing portion 8 is provided to allow the rod to be deformed when the transmission rod 7 receives an external force squeezed or twisted with respect to its axis.
- the strain body 3 is formed so that its thickness gradually increases from the radially outer side toward the center.
- the cross-sectional shape of the strain body 3 is such that the lower surface (5b in this embodiment) is formed flat, while the upper surface 3b has a shape approximating a square root curve. .
- the doubly-supported sensor plate 13 is made of a thin plate member, and the sensor plate 13 is disposed so that a gap is formed between the sensor plate 13 and the upper surface 5 b of the storage unit 5.
- the circuit board 11 is formed in an elongated shape by cutting out both ends of a circle, and the IC chip 12 is mounted on the lower surface side thereof. Both end surfaces in the longitudinal direction of the circuit board 11 are formed in an arc shape. The curvatures of these both end faces substantially coincide with the inner peripheral edge 100a of the holder 100, which will be described in detail later, and the circuit board 11 is also angularly connected to the strain gauge on the sensor plate 13 for electrical connection. Almost positioned and attached.
- the sensor plate 13 is formed in a substantially rectangular shape, and both end edges in the major axis direction are formed in an arc shape, while both end edges in the minor axis direction are formed in a straight line shape.
- the sensor plate 13 is formed with a connecting hole 13a penetrating in the thickness direction at the center thereof.
- thin plate portions 14 having a reduced thickness are provided at several places by making the lower surface concave toward the upper surface side. These thin plate portions 14 are provided in a row in the diameter direction passing through the center of the sensor plate 13. These thin plate portions 14 are arranged at two symmetrical positions on both sides of the connecting hole 13a as a symmetric axis.
- a strain gauge (not shown) for detecting the strain of the sensor plate 13 is attached to a portion corresponding to the thin plate portion 14, respectively.
- the load sensor 1 As this strain gauge, a semiconductor strain gauge is used, and it is provided in each film forming process and photolithographic process. For this reason, even when the load sensor 1 is operated, the load sensor 1 stays at a predetermined position of the preset sensor plate 13 that does not peel from the sensor plate 13. For this reason, it is possible to take out the strain as designed so that the absolute position with respect to the sensor plate 13 and the relative positions of the respective strain gauges are not shifted.
- the strain gauge is electrically connected to the circuit board 11 by wire bonding.
- the sensor plate 13 having a powerful structure is fixed to the center of the sensor plate 13 by inserting the upper end of the transmission rod 7 into a connecting hole 13 a formed at the center thereof. Thereby, the displacement of the center of the strain generating body 3 is transmitted to the center portion of the sensor plate 13 via the transmission rod 7, and the center portion of the sensor plate 13 corresponds to the displacement of the center portion of the strain generating body 3. Is distorted.
- a holder 100 formed in a ring shape for holding the sensor plate 13 is attached to the storage portion 5 of the strain body 3 so as to be along the inner peripheral surface of the upright wall 15. .
- the holder 100 is attached by holding the sensor plate 13 on the inner peripheral edge side thereof and inserting the outer peripheral edge side into the upright wall 15 of the strain body 3.
- the holder 100 has a buffering function and prevents a load unnecessary for measurement from being transmitted to the sensor plate 13 disposed inside the holder 100.
- the holder 100 includes a ring-shaped contact surface 101 that is in contact with the upper surface of the storage portion 5, a peripheral wall surface 102 that is perpendicular to the contact surface 101 at the outer peripheral edge of the contact surface 101,
- the flange portion 103 projects outwardly in the radial direction at the tip of the peripheral wall surface 102.
- the inner peripheral edge 100a of the contact surface 101 is formed to have the same dimension as the curvature of the sensor plate 13 in the major axis direction, while the outer peripheral surface of the peripheral wall 102 is larger than the diameter of the inner peripheral surface of the upright wall 15. It is formed slightly smaller, and a clearance is provided between them.
- the sensor plate 13 is fitted to the inner peripheral edge 100 a of the contact surface 101, and the peripheral wall surface 102 of the holder 100 is inserted into the upright wall 15 and attached to the storage unit 5. . Then, the flange portion 103 is abutted from below on the lower end of the protruding portion 15a formed on the lower portion of the upright wall 15, and the outer peripheral edge of the protruding portion 15a and the outer peripheral edge 100b of the holder 100 are aligned and coupled. Is done.
- the sensor plate 13 is stored so as to be fitted into the storage unit 5 via the holder 100.
- the positional relationship of the sensor plate 13 with respect to the strain body 3 is reliably maintained as designed. That is, when the sensor plate 13 is stored in the storage portion 5, the center of the sensor plate 13 is aligned with the center of the strain body 3 coaxial with the axis of the screw portion 9, and the coupling hole 13a is connected to the transmission rod. Matched with 7 axes.
- the outer peripheral portion of the sensor plate 13 is restrained via a holder 100 attached to the storage portion 5 of the strain body 3. For this reason, the sensor plate 13 has a double-supported beam structure.
- the housing 20 is put on the lower part of the main body 2 to which the sensor plate 13 is attached.
- the housing 20 is formed in a cylindrical shape, its lower surface is opened, and a space 21 is formed inside.
- the housing 20 is joined in close contact with the lower end of the upright wall 15 formed on the periphery of the strain body 3 constituting the opened upper force body 2.
- the upper end of the housing 20 is formed with a protruding portion 20a in which the outer side of the thickness protrudes upward rather than the inner side. For this reason, the housing 20 is joined to the strain body 3 such that the protrusion 20a at the upper end of the housing 20 overlaps the outer periphery of the protrusion 15a on the upright wall 15 of the strain body 13.
- the flange portion 103 of the holder 100 is disposed between the protruding portion 15a of the upright wall 15 and the recessed portion inside the protruding portion 20a in the upper portion of the housing 20.
- the housing 20 has a clearance between the inner peripheral surface of the protrusion 20a and the recessed portion on the inner side between the protrusion 15a of the strain body 3 and the flange of the holder 100. Is formed and bonded to the strain body 3.
- a clearance is formed between the peripheral wall surface 102 and the inner peripheral surface of the upright wall 15, and the inner peripheral surface of the protrusion 20a and the recessed portion on the inner side thereof are deformed. Since a clearance is formed between the protrusion 15a of the body 3 and the flange portion of the holder 100, these clearances coincide with the center of the sensor plate 13 and the center of the strain generating body 3, and at this center. Holder 100 with respect to strain body 3 and housing 20 while maintaining symmetrical arrangement with respect to Allows relative position movement. As a result, the holder 100 exhibits a buffering function and prevents transmission of a load unnecessary for measuring the load transmitted from the strain generating body 3 to the sensor plate 13 disposed on the inner peripheral edge thereof.
- the above-described circuit board 11 is accommodated in the space portion 21 formed inside the housing 20 joined to the strain body 3 in this manner.
- a connect cover 22 is provided in the space portion 21 so as to cover the inner surface of the housing 20.
- the connect cover 22 is connected to the IC chip 12, and the output of the strain gauge is transmitted through the IC chip 12.
- a packing 24 disposed in a gap formed between the holder 100 and the peripheral wall surface 102 is attached to the upper portion of the connect cover 22. This packing 24 is for maintaining airtightness in order to protect the internal space portion 21 from external environmental forces when the connect cover 22 is attached to the main body portion 2.
- a mounting screw portion 23 protruding downward is provided at the lower portion of the housing 20.
- the attachment screw portion 23 is used when attaching to the measurement object.
- the mounting screw portion 23 is located at the center of the housing 20, and is provided so as to be positioned on the same axis as the screw portion 9 of the main body 2 when the housing 20 is attached to the main body 2.
- FIGS. 5 to 8 show specific examples of the appearance of the load sensor 1 having such an internal structure.
- the load sensor 1 A shown in FIG. 5 is an orthodox type.
- a connector 30 is provided on the side surface of the housing 20 so as to protrude outward in the radial direction.
- the connector 30 is connected to a mating connector having wiring connected to a power source, a measuring device, a signal processing board integrated with the power source, a measuring device, and the like.
- a plurality of connection pins 31 are provided inside the connector 30.
- the load sensor 1B shown in FIG. 6 is a type in which the wiring 31 is directly connected.
- a hole 32 through which a wire is passed is formed on the side surface of the housing 20, and three wires 31 are passed through the hole 32 and connected to the inside.
- a load sensor 1C shown in FIG. 7 is provided with a cylindrical case 33 in which a female thread portion 34 is formed at the center of the lower portion thereof.
- the side surface of the case 33 is provided with a connector 30 that protrudes outward in the radial direction.
- This connector 30 is also provided with a plurality of connection pins inside, and is connected to a power source, a measuring instrument, or the like.
- the load sensor 1D shown in FIG. 8 is attached to the measurement object by tightening the screw portion 9 provided on the main body 2 to the measurement object and bolting the housing 20 side to the measurement object. Is.
- a plate-like tightening portion 35 is provided that protrudes to both sides around the housing 20.
- the tightening portion 35 is formed with a through hole 36 penetrating in the plate thickness direction.
- a bolt is passed through the through hole 36 and the housing side is bolted to the object to be measured.
- the connector 30 is provided so as to protrude outward from the outer peripheral surface of the housing 20 at a right angle to these tightening portions.
- the load sensor 1 has an extremely simple appearance.
- the load sensor having the above configuration operates as follows. First, in the load sensor 1, the main body 2 is covered with the housing 20, and the screw portion 9 of the main body 2 is screwed into the object to be measured or is passed through and the tip side is tightened and fixed with a nut. For the load sensors 1A to 1C shown in FIGS. 5 to 7, the mounting screw portion 23 and the female screw portion 34 provided at the lower part of the housing 20 are attached to the object to be measured in the same manner as the screw portion 9. On the other hand, in the load sensor 1D shown in FIG. 8, a bolt is passed through the through hole of the tightening portion, and this bolt is tightened into a screw hole formed in the measurement object and attached to the measurement object.
- the load sensor is connected via the screw portion 9 and the mounting screw portion 23. It is transmitted to support 1. Then, the central portion of the strain body 3 is relatively positioned in the axial direction of the threaded portion 9 with respect to the outer peripheral portion of the strain body 3 as shown in FIGS. 10 (a) and 10 (b). Displace.
- the sensor plate 13 has its outer peripheral surface 13b joined to the inner peripheral edge 100a of the holder 100, while its center is connected to the transmission rod 7, so that its center corresponds to the displacement of the strain generating body 3.
- the load sensor 1 in general, in the case of a load sensor using a strain gauge, a thin portion is provided in a structure that converts a load into a displacement, and strain is intensively generated in this portion.
- the strain gauge is placed in this thin part.
- the load sensor 1 employs a structure that detects the strain of the strain generating body 3 via the sensor plate 13 that does not directly detect the strain of the strain generating body 3.
- a configuration is adopted in which the thin plate portion 14 is formed on the sensor plate 13 while the strain body 3 itself is not provided with a thin portion.
- the strain generating body 3 converts the applied load into a displacement with good characteristics as a whole, and generates strain intensively in the thin plate portion 14 of the sensor plate 13.
- the stress generating body 3 does not cause stress concentration, the fracture load can be increased.
- the flange 10 acting as a seating surface is formed at a position slightly away from the strain body 3 in the axial direction. It is made. Moreover, the outer diameter of this part is formed relatively thin. For this reason, in addition to the flange 10 itself, a portion between the strain generating body 3 and the flange 10 functions as a load noise blocking portion 18.
- the transmission rod 7 itself is deformed by providing the deformation allowing portion 8 as in the main body portion 2 that works in this embodiment, and the external force F This effectively prevents the sensor plate 1 3 from being affected. For this reason, it is possible to prevent occurrence of measurement errors due to the influence of unnecessary external force.
- the load sensor 1 of the present embodiment shown in FIG. Even if the reaction force is received from the object, it is absorbed between the flange 10 and the strain body 3 that does not transmit the reaction force to the strain body 3. In addition, the torsional moment generated when the threaded portion 9 is tightened is also absorbed by the flange 10 itself and the portion between the flange 10 and the strain generating body 3 and does not adversely affect the strain generating body 3. . Even if it cannot absorb everything at this position, the transmission rod 7 absorbs torsion and interrupts transmission to the sensor plate 13.
- the load sensor 1 can obtain a desired measurement value without being affected by load noise acting in an unnecessary direction even though the internal structure is extremely simple.
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- Chemical & Material Sciences (AREA)
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- Measurement Of Force In General (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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US11/632,059 US7423511B2 (en) | 2004-07-14 | 2005-07-14 | Load sensor |
JP2006529145A JPWO2006006670A1 (ja) | 2004-07-14 | 2005-07-14 | 荷重センサ |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004-206982 | 2004-07-14 | ||
JP2004206982 | 2004-07-14 |
Publications (1)
Publication Number | Publication Date |
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WO2006006670A1 true WO2006006670A1 (ja) | 2006-01-19 |
Family
ID=35784006
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2005/013045 WO2006006670A1 (ja) | 2004-07-14 | 2005-07-14 | 荷重センサ |
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US (1) | US7423511B2 (ja) |
JP (1) | JPWO2006006670A1 (ja) |
WO (1) | WO2006006670A1 (ja) |
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JP2006349661A (ja) * | 2005-05-19 | 2006-12-28 | Matsushita Electric Ind Co Ltd | 歪検出装置 |
JP2006349662A (ja) * | 2005-05-19 | 2006-12-28 | Matsushita Electric Ind Co Ltd | 歪検出装置 |
JP2007240410A (ja) * | 2006-03-10 | 2007-09-20 | Matsushita Electric Ind Co Ltd | 歪検出装置 |
JP2007271303A (ja) * | 2006-03-30 | 2007-10-18 | Matsushita Electric Ind Co Ltd | 歪検出装置 |
DE102006057326A1 (de) * | 2006-12-05 | 2008-06-19 | Magna Powertrain Ag & Co Kg | Kraftsensor |
JP2008170296A (ja) * | 2007-01-12 | 2008-07-24 | Matsushita Electric Ind Co Ltd | 歪検出装置 |
JP2008256538A (ja) * | 2007-04-05 | 2008-10-23 | Alps Electric Co Ltd | 荷重センサ |
EP2067697A1 (fr) * | 2007-12-07 | 2009-06-10 | SKF Aerospace France | Bielle pour la construction aéronautique et mécanisme comprenant une telle bielle |
JP2018054293A (ja) * | 2016-09-26 | 2018-04-05 | 日立オートモティブシステムズ株式会社 | 荷重センサ |
CN110319912A (zh) * | 2018-03-30 | 2019-10-11 | 精量电子(深圳)有限公司 | 传感器组件 |
CN110562229A (zh) * | 2018-06-06 | 2019-12-13 | 森萨塔电子技术有限公司 | 机电制动连接器 |
WO2022168469A1 (ja) * | 2021-02-02 | 2022-08-11 | アルプスアルパイン株式会社 | 荷重センサ |
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DE102006007385A1 (de) * | 2006-02-17 | 2007-08-30 | Robert Bosch Gmbh | Kraftsensor und Herstellungsverfahren für einen Kraftsensor |
US9038487B2 (en) * | 2011-07-28 | 2015-05-26 | Ts Tech Co., Ltd. | Support structure for load measurement sensor |
US20130279298A1 (en) * | 2012-04-19 | 2013-10-24 | William Mark PRENTICE | Monitoring of underwater mooring lines |
US10775090B2 (en) * | 2017-07-11 | 2020-09-15 | Bsh Hausgeraete Gmbh | Household cooling appliance comprising a weight detection unit for determining the weight of a container of an ice maker unit |
JP2022142116A (ja) * | 2021-03-16 | 2022-09-30 | ミネベアミツミ株式会社 | 起歪体、力覚センサ装置 |
CN115112286A (zh) * | 2021-03-19 | 2022-09-27 | 美蓓亚三美株式会社 | 应变体、力传感器装置 |
US20230280218A1 (en) * | 2022-03-01 | 2023-09-07 | Asmpt Singapore Pte. Ltd. | Force measurement device and method for bonding or encapsulation process and apparatus incorporating the device |
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- 2005-07-14 WO PCT/JP2005/013045 patent/WO2006006670A1/ja active Application Filing
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Cited By (15)
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JP2006349661A (ja) * | 2005-05-19 | 2006-12-28 | Matsushita Electric Ind Co Ltd | 歪検出装置 |
JP2006349662A (ja) * | 2005-05-19 | 2006-12-28 | Matsushita Electric Ind Co Ltd | 歪検出装置 |
JP2007240410A (ja) * | 2006-03-10 | 2007-09-20 | Matsushita Electric Ind Co Ltd | 歪検出装置 |
JP2007271303A (ja) * | 2006-03-30 | 2007-10-18 | Matsushita Electric Ind Co Ltd | 歪検出装置 |
US7559252B2 (en) | 2006-12-05 | 2009-07-14 | Magna Powertrain Ag & Co Kg | Force sensor for the measurement of tensile force in a pulling means |
DE102006057326A1 (de) * | 2006-12-05 | 2008-06-19 | Magna Powertrain Ag & Co Kg | Kraftsensor |
JP2008170296A (ja) * | 2007-01-12 | 2008-07-24 | Matsushita Electric Ind Co Ltd | 歪検出装置 |
JP2008256538A (ja) * | 2007-04-05 | 2008-10-23 | Alps Electric Co Ltd | 荷重センサ |
EP2067697A1 (fr) * | 2007-12-07 | 2009-06-10 | SKF Aerospace France | Bielle pour la construction aéronautique et mécanisme comprenant une telle bielle |
FR2924774A1 (fr) * | 2007-12-07 | 2009-06-12 | Skf Aerospace France Soc Par A | Bielle pour la construction aeronautique et mecanisme comprenant une telle bielle. |
JP2018054293A (ja) * | 2016-09-26 | 2018-04-05 | 日立オートモティブシステムズ株式会社 | 荷重センサ |
CN110319912A (zh) * | 2018-03-30 | 2019-10-11 | 精量电子(深圳)有限公司 | 传感器组件 |
CN110562229A (zh) * | 2018-06-06 | 2019-12-13 | 森萨塔电子技术有限公司 | 机电制动连接器 |
WO2022168469A1 (ja) * | 2021-02-02 | 2022-08-11 | アルプスアルパイン株式会社 | 荷重センサ |
JP7391251B2 (ja) | 2021-02-02 | 2023-12-04 | アルプスアルパイン株式会社 | 荷重センサ |
Also Published As
Publication number | Publication date |
---|---|
US7423511B2 (en) | 2008-09-09 |
US20080042797A1 (en) | 2008-02-21 |
JPWO2006006670A1 (ja) | 2008-05-01 |
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