CN107449350A - Deformeter - Google Patents
Deformeter Download PDFInfo
- Publication number
- CN107449350A CN107449350A CN201710218623.XA CN201710218623A CN107449350A CN 107449350 A CN107449350 A CN 107449350A CN 201710218623 A CN201710218623 A CN 201710218623A CN 107449350 A CN107449350 A CN 107449350A
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- China
- Prior art keywords
- sensor
- lug plate
- conductive path
- resistor
- longitudinal direction
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Classifications
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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
- G01L1/18—Measuring force or stress, in general using properties of piezo-resistive materials, i.e. materials of which the ohmic resistance varies according to changes in magnitude or direction of force applied to the material
-
- 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
- G01L1/2287—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 constructional details of the strain gauges
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/16—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge
- G01B7/18—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge using change in resistance
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Abstract
A kind of deformeter includes：Sensor, the sensor include machine-direction oriented resistor；Lug plate, the lug plate include the region that can be applied in solder；And conductive path, the conductive path extend so that sensor to be connected with lug plate on the longitudinal direction of resistor.And on the longitudinal direction of resistor, lug plate is connected for one of conductive path and with sensor by least a portion of each lug plate compared to by the lug plate with the connection member that corresponding conductive path connects closer to sensor, the corresponding conductive path.
Description
Technical field
The present invention relates to deformeter.
Background technology
Deformeter is attached to the elastic part of elastomer and forms force cell.As shown in figure 9, this deformeter bag
The substrate 1 made of insulating materials such as resin is included, and sensor 2, external connection lug plate (tab) 3a are provided with substrate 1
With 3b and conductive path 4a and 4b.Sensor 2 includes multiple resistors, the plurality of resistor arranged with desired pattern and
Strained for detecting.Conductive path 4a is used as the current path between lug plate 3a and sensor 2, and conductive path 4b is used as
Current path between lug plate 3b and sensor 2.Wire (not shown) is generally attached to the lug plate 3a and 3b with solder 5
(disclosed for example, referring to Japanese patent application and announce No.2006-30163).
Above-mentioned deformeter is typically attached to elastomer to cause sensor 2 to be located on the elastic part of the elastomer, so as to
Deformeter is set to detect the deformation in elastomer.Deformeter and elastomer are collectively forming force cell.Due in elastomer
Deformation caused by stress in the deformeter of force cell.Furthermore this stress also acts on lug plate 3a and 3b,
Although smaller compared to the stress acted on sensor 2, its degree.Because stress concentration, it is to applying to lug plate
There is obvious effect on the border of 3a and 3b solder 5.Specifically, on the longitudinal direction of the resistor of sensor 2, lug plate 3a
It is located at the part of the side of sensor 2 close to the elastic part of elastomer with 3b, therefore is subjected to a large amount of stress.
Therefore, when deformeter be bound to elastomer with use, generally solder 5, in the resistance perpendicular to sensor 2
Crackle (being represented by the dotted line 6 in Fig. 9) is likely to form in the border that the side of the longitudinal direction of device upwardly extends.By the void in Fig. 9
Current path (that is, wiring between crackle and wire or lug plate 3a and 3b that line 6 represents, being formed in lug plate 3a and 3b
The current path between current path and lug plate 3b and sensor 2 between piece 3a and sensor 2) it is intersecting.Due to splitting
Line intersect with current path and cause in current path occur disconnecting and/or part connecting fault in the case of, wire it
Between output voltage become unstable.
The content of the invention
In view of above mentioned problem, the purpose of the present invention is the output voltage between the lug plate of deformeter is become unstable
Occurrence frequency minimize.
Therefore, included according to the deformeter of the mode of the present invention：Sensor, the sensor include machine-direction oriented electricity
Hinder device；Lug plate, each region for including that solder can be applied in the lug plate；And conductive path, the conductive path
Extend on the longitudinal direction of resistor to connect sensor and lug plate.On the longitudinal direction of resistor, each lug plate
At least a portion compared to by the lug plate with the connection member that corresponding conductive path connects closer to sensor, this is corresponding
Conductive path for one of conductive path and connect lug plate and sensor.
In this mode, on the longitudinal direction of resistor, at least a portion of each lug plate connects compared to by this
Line piece and the connection member that corresponding conductive path connects are closer to sensor.Due to this configuration, the solder on lug plate
In the case of middle formation crackle, crackle will be formed in the region that current path of the crackle not between lug plate intersects, therefore,
So that due to occur disconnecting in current path or part connecting fault and cause between lug plate and unstable output electricity occur
The occurrence frequency of pressure minimizes.
Included according to the deformeter of the another way of the present invention：Sensor, each longitudinal direction that includes in the sensor take
To resistor；Lug plate, each region for including that solder can be applied in the lug plate；And conductive path.At this
In kind mode, sensor includes first sensor and second sensor, and lug plate includes the first lug plate, the second lug plate
With the 3rd lug plate.Conductive path includes：First conductive path, first conductive path first sensor resistor it is vertical
Upwardly extended to side so that one end of first sensor to be connected with the first lug plate；Second conductive path, second conductive path
Extend on the longitudinal direction of the resistor of second sensor so that one end of second sensor to be connected with the second lug plate；And
3rd conductive path, the 3rd conductive path extend on the longitudinal direction of first sensor and the resistor of second sensor with
The other end of the other end of first sensor, second sensor is connected with the 3rd lug plate.In the resistor of first sensor
Longitudinal direction on, at least a portion of the first lug plate is compared to the connection for being connected the first lug plate with the first conductive path
Part is closer to first sensor.Moreover, on the longitudinal direction of the resistor of second sensor, at least the one of the second lug plate
Part compared to by the second lug plate and the connection member that the second conductive path is connected closer to second sensor.Furthermore
On the longitudinal direction of the resistor of one sensor, the part of the 3rd lug plate is compared to by the 3rd lug plate and the 3rd conductive path
The connection member of footpath connection is closer to first sensor.In addition, on the longitudinal direction of the resistor of second sensor, the 3rd connects
A part for line piece compared to by the 3rd lug plate and the connection member that the 3rd conductive path is connected closer to second sensor.
In this mode, on the longitudinal direction of the resistor of first sensor, at least a portion of the first lug plate
Compared to the connection member for being connected the first lug plate with the first conductive path closer to first sensor, and in the second sensing
On the longitudinal direction of the resistor of device, at least a portion of the second lug plate is compared to by the second lug plate and the second conductive path
The connection member of connection is closer to second sensor.Furthermore on the longitudinal direction of the resistor in corresponding sensor, the 3rd connects
A part for line piece compared to by the 3rd lug plate with the connection member that the 3rd conductive path is connected closer to first sensor, and
And the 3rd lug plate another part compared to by the 3rd lug plate and the connection member that the 3rd conductive path is connected closer to
Two sensors.It is this to arrange the deformeter that can apply to half-bridge circuit type.By this arrangement, in the solder on lug plate
Therefore any crackle formed, can make in the region that current path of the crackle not between lug plate intersects
Obtain and cause the occurrence frequency of unstable output voltage to minimize due to disconnecting in current path or part connecting fault.
Included according to the deformeter of the another mode of the present invention：Sensor, each longitudinal direction that includes in the sensor take
To resistor；Lug plate, each region for including that solder can be applied in the lug plate；And conductive path.At this
In one mode, sensor includes first sensor, second sensor, 3rd sensor and the 4th sensor, and lug plate bag
Include the first lug plate, the second lug plate, the 3rd lug plate and the 4th lug plate.Conductive path includes：First conductive path, this
One conductive path extends on the longitudinal direction of first sensor and the resistor of 3rd sensor with by the one of first sensor
End, one end of 3rd sensor connect with the first lug plate；Second conductive path, second conductive path in first sensor and
Extend on the longitudinal direction of the resistor of 4th sensor with by the other end of first sensor, one end of the 4th sensor and the
Two lug plates connect；3rd conductive path, the 3rd conductive path is in the vertical of the resistor of second sensor and the 4th sensor
Upwardly extended to side so that one end of second sensor, the other end of the 4th sensor and the 3rd lug plate to be connected；4th is conductive
Path, the 4th conductive path extend on the longitudinal direction of second sensor and the resistor of 3rd sensor so that second to be passed
The other end of sensor, the other end of 3rd sensor and the connection of the 4th lug plate.In the longitudinal direction side of the resistor of first sensor
Upwards, at least a portion of the first lug plate is more leaned on compared to the connection member for being connected the first lug plate with the first conductive path
Nearly first sensor.Moreover, on the longitudinal direction of the resistor of first sensor, at least a portion of the second lug plate is compared
In by the second lug plate and the connection member that the second conductive path is connected closer to first sensor.Furthermore in second sensor
Resistor longitudinal direction on, at least a portion of the 3rd lug plate is compared to by the 3rd lug plate and the 3rd conductive path company
The connection member connect is closer to second sensor.In addition, on the longitudinal direction of the resistor of second sensor, the 4th lug plate
At least a portion compared to by the 4th lug plate and the connection member that the 4th conductive path is connected closer to second sensor.
In this mode, on the longitudinal direction of the resistor of first sensor, at least a portion of the first lug plate
Compared to by the first lug plate and the connection member that the first conductive path is connected closer to first sensor, and the second lug plate
At least a portion compared to by the second lug plate and the connection member that the second conductive path is connected closer to first sensor.Again
Person, on the longitudinal direction of the resistor of second sensor, at least a portion of the 3rd lug plate is compared to by the 3rd lug plate
With the connection member that the 3rd conductive path is connected closer to second sensor, and at least a portion of the 4th lug plate compared to
By the 4th lug plate and the connection member that the 4th conductive path is connected closer to second sensor.
It is this to arrange the deformeter that can apply to full-bridge circuit type.By this arrangement, in the solder on lug plate
Current path of any crackle not between lug plate formed intersects, therefore, can be such that due to disconnection in current path
Connection or part connecting fault and cause the occurrence frequency of unstable output voltage to minimize.
Brief description of the drawings
Fig. 1 be according to the first embodiment of the invention, lug plate be formed at single resistive element on the inside of conductive path
The plan of the exemplary deformeter of type；
Fig. 2 is the example that single resistive element type on the outside of conductive path is formed at according to the first embodiment, lug plate
The plan of property deformeter；
Fig. 3 is single resistive element type on the inside of conductive path is formed at according to the first embodiment, lug plate another
The plan of exemplary deformeter；
Fig. 4 is single resistive element type on the outside of conductive path is formed at according to the first embodiment, lug plate another
The plan of exemplary deformeter；
Fig. 5 is the plan according to the exemplary deformeter of modification, single resistive element type of the first embodiment；
Fig. 6 be according to the second embodiment of the invention, lug plate be formed at double resistive elements on the inside of conductive path
The plan of the exemplary deformeter of type；
Fig. 7 is the example that double resistive element types on the outside of conductive path are formed at according to the second embodiment, lug plate
The plan of property deformeter；
Fig. 8 be according to the third embodiment of the invention, the plan of the exemplary deformeters of four resistive element types；
Fig. 9 is the plan of conventional deformeter；
Figure 10 is the exemplary deformeter of another modification, single resistive element type according to the first embodiment of the invention
Plan.
Embodiment
The details of deformeter according to embodiment of the present invention is described with reference to the accompanying drawings.
1. the first embodiment
Fig. 1 be according to the first embodiment of the invention, have single sensor single resistive element type deformeter
Example plan.Fig. 2 is the plan of another example of the deformeter of single resistive element type.
The deformeter shown in Fig. 1 and Fig. 2 is respectively provided with substrate 1, sensor 2, lug plate 3a and 3b, conductive path 4a and led
Power path 4b, wherein conductive path 4a extend on the longitudinal direction of the resistor of sensor 2 with by one end 2x of sensor 2 with
Lug plate 3a connections, conductive path 4b extend on the longitudinal direction of the resistor of sensor 2 with by the other end 2y of sensor 2
It is connected with lug plate 3b.Each deformeter is manufactured by operations described below：Metal foil is attached to substrate 1 and the metal foil is entered
Row photoetching to form sensor 2, lug plate 3a and 3b and conductive path 4a and 4b on the base 1.
In the following description, relative to conductive path 4a and 4b, it is referred to as with the identical side of sensor 2 in conductive path 4a
With on the inside of 4b, and relative to conductive path 4a and 4b, the side opposite with sensor 2 is referred to as on the outside of conductive path 4a and 4b.
The example shown in Fig. 1 is the deformeter for single resistive element type that lug plate 3a and 3b are formed on the inside of conductive path 4a and 4b.
The example shown in Fig. 2 is the deformeter for single resistive element type that lug plate 3a and 3b are formed on the outside of conductive path 4a and 4b.
Substrate 1 is the chip component made of insulating materials such as insulating resin.Sensor 2 passes through in arrow X direction
Direction arranged in series of the upper machine-direction oriented sensor along arrow Y and formed.The mainly sensing strain of sensor 2, i.e., in arrow X
Direction on stretching, extension or contraction.
Lug plate 3a and 3b are formed as the region that can be applied in solder and in the direction of arrowx away from biography
Sensor 2.Welding lead (not shown in accompanying drawing) is exported with transmitting on lug plate 3a and 3b.
Conductive path 4a is so that the path that electric energy is transmitted by the path between sensor 2 and lug plate 3a.It is conductive
Path 4b is so that the path that electric energy is transmitted by the path between sensor 2 and lug plate 3b.
Conductive path 4a one end is connected to one end 2x of sensor 2, and the conductive path 4a other end is by means of connection
Part is connected to lug plate 3a.Connection member is located at lug plate 3a remote lug plate 3b side simultaneously on arrow Y direction
And the side of sensor 2 is located remotely from the direction of arrowx.Therefore, as the region (solder areas that can be applied in solder
Domain) lug plate 3a at least a portion 3az compared to by lug plate 3a and the connection member that conductive path 4a is connected closer to
Sensor 2.
Similarly, conductive path 4b one end is connected to the other end 2y of sensor 2, and the conductive path 4b other end is borrowed
Help connection member and be connected to lug plate 3b.Connection member is located at lug plate 3b remote lug plate 3a on arrow Y direction
Side and be located remotely from the side of sensor 2 in the direction of arrowx.Therefore, lug plate 3b as socket area
At least a portion 3bz compared to by lug plate 3b and the connection member that conductive path 4b is connected closer to sensor 2.
In response to the elastomer attached by deformeter (deformeter shown in such as Fig. 1 or Fig. 2) (not shown in accompanying drawing)
In deformation, and more specifically, in response to the change in the surface of the elastomer attached by deformeter shaped like stretching, extension or shrink, should
The resistor for becoming the sensor 2 of instrument correspondingly stretches or shunk, and it causes resistance value to increased or decrease.Resistance in sensor 2
The change of value is proportional to the load of application to elastomer.Show that these electric signals changed of resistance value can be by means of connection
Wire to lug plate 3a and 3b exports.
In this embodiment, on the longitudinal direction of resistor, lug plate 3a at least a portion 3az will be compared to will connect
Line piece 3a and the connection member that conductive path 4a is connected are closer to sensor 2.When wire is welded on lug plate 3a, solder 5
Also will be present in the 3az of region.Similarly, on the longitudinal direction of resistor, lug plate 3b at least a portion 3bz compared to
By lug plate 3b and the connection member that conductive path 4b is connected closer to sensor 2.When wire is welded on lug plate 3b, weldering
Material 5 also will be present in the 3bz of region.By disposing this configuration, any crackle of formation will be predominantly located in region 3az and
Around the border of solder 5 in 3bz, the border is located at the side of facing sensing device 2.Crackle is by the electricity perpendicular to sensor 2
The side for hindering the longitudinal direction of device is upwardly formed.
However, because these crackles are located in the region that current path of the crackle not between lug plate 3a and 3b intersects,
So that cause and connect due to disconnecting in the current path between lug plate 3a and 3b or part connecting fault
The occurrence frequency that output voltage between line piece 3a and 3b becomes unstable minimizes.
Fig. 3 shows that lug plate 3a and 3b is formed relative to conductive path 4a and 4b and answered in inner side, single resistive element type
Become another example of instrument.Fig. 4 shows that lug plate 3a and 3b is formed in outside, single resistive element relative to conductive path 4a and 4b
Another example of type deformeter.Compared with the connection member of the deformeter shown in Fig. 1 and Fig. 2, what is shown in Fig. 3 and Fig. 4 should
Becoming instrument has narrower connection member, and lug plate 3a and 3b are connected by the connection member with conductive path 4a and 4b respectively.
By the deformeter similar mode with being shown in Fig. 1 and Fig. 2, each deformeter shown in figs. 3 and 4
In, on the longitudinal direction of resistor, lug plate 3a at least a portion 3az connects compared to by lug plate 3a and conductive path 4a
The connection member connect is closer to sensor 2.When wire is welded on lug plate 3a, solder 5 also will be present in the 3az of region.
Similarly, in each deformeter, on the longitudinal direction of resistor, lug plate 3b at least a portion 3bz will be compared to will connect
Line piece 3b and the connection member that conductive path 4b is connected are closer to sensor 2.When wire is welded on lug plate 3b, solder 5
Also will be present in the 3bz of region.In this configuration, the weldering that any crackle of formation will be predominantly located in region 3az and 3bz
Around the border of material 5, the border is located at the side of facing sensing device 2.Crackle is by the longitudinal direction of the resistor perpendicular to sensor 2
The side in direction is upwardly formed.
However, because these crackles are located in the region that current path of the crackle not between lug plate 3a and 3b intersects,
So that cause and connect due to disconnecting in the current path between lug plate 3a and 3b or part connecting fault
The occurrence frequency that output voltage between line piece 3a and 3b becomes unstable minimizes.
Fig. 5 is the example according to modification, the single resistive element type deformeter of the first embodiment.In this example, lead
Power path 4e one end is connected to one end of sensor 2, and the conductive path 4e other end is branched off into conductive branches path 4g
And 4h.Conductive branches path 4g and 4h surrounds lug plate 3i.The side of the end of lug plate 3i remote sensor 2 is by means of even
Relay part is connected to conductive branches path 4g and 4h.Similarly, conductive path 4f one end is connected to the other end of sensor 2,
And the conductive path 4f other end is branched off into conductive branches path 4i and 4j.Conductive branches path 4i and 4j surrounds lug plate
3j.The side of lug plate 3j remote sensor 2 is connected to conductive branches path 4i and 4j by means of connection member.
Equally in the modification, on the longitudinal direction of resistor, lug plate 3i at least a portion 3iz will be compared to will connect
Line piece 3i and the connection member that conductive path 4e is connected are closer to sensor 2.Similarly, on the longitudinal direction of resistor, connect
Line piece 3j at least a portion 3jz compared to by lug plate 3j and the connection member that conductive path 4f is connected closer to sensor 2.
Figure 5 illustrates the first embodiment modification in, on the longitudinal direction of resistor, lug plate 3i is at least
A part of 3iz is compared to respectively by lug plate 3i and the connection member that conductive branches path 4g and 4h are connected closer to sensor 2.
When wire is welded on lug plate 3i, solder 5 also will be present in the 3iz of region.Similarly, in the longitudinal direction of resistor
On, lug plate 3j at least a portion 3jz is compared to the connection for being respectively connected lug plate 3j with conductive branches path 4i and 4j
Part is closer to sensor 2.When wire is welded on lug plate 3j, solder 5 also will be present in the 3jz of region.Match somebody with somebody this
In putting, any crackle of formation by around the border for the solder 5 being predominantly located in region 3iz and 3jz, the border be located at towards
The side of sensor 2.Crackle will be upwardly formed in the side of the longitudinal direction of the resistor perpendicular to sensor 2.
However, because these crackles are located at the region that current path of the crackle not between lug plate 3i and 3j intersects, institute
With can such that due to disconnecting in current path between lug plate 3i and 3j or part connecting fault and cause wiring
The occurrence of frequency that output voltage between piece 3i and 3j becomes unstable minimizes.
2. the second embodiment
Above-mentioned first embodiment is related to the deformeter of single resistive element type.Deformeter according to the second embodiment is double
Resistive element type (there are two sensors) and form half-bridge circuit.Fig. 6 be according to the second embodiment of the invention, it is double
The plan of the example of resistive element type deformeter.Fig. 7 is the plan of another example of double resistive element type deformeters.
First sensor 2a and second sensor 2b each are respectively provided with the deformeter shown in Fig. 6 and Fig. 7, and is had
There are the first lug plate 3m, the second lug plate 3n and the 3rd lug plate 3k.Each deformeter also has the first conductive path 4m, second
Conductive path 4n and the 3rd conductive path 4k.Figure 6 illustrates deformeter in, the first lug plate 3m, the second lug plate 3n and
3rd lug plate 3k shapes in the region surrounded by the first conductive path 4m, the second conductive path 4n and the 3rd conductive path 4k
Into.By contrast, figure 7 illustrates deformeter in, the first lug plate 3m, the second lug plate 3n and the 3rd lug plate 3k are in quilt
Formed outside the region that first conductive path 4m, the second conductive path 4n and the 3rd conductive path 4k are surrounded.
In each deformeter shown in figure 6 and figure 7, the resistor of the first conductive path 4m in first sensor 2a
Extend on longitudinal direction so that first sensor 2a one end 2ax to be connected with the first lug plate 3m.Second conductive path 4n is
Extend on the longitudinal direction of two sensor 2b resistor so that second sensor 2b one end 2bx and the second lug plate 3n to be connected
Connect.3rd conductive path 4k extends on the longitudinal direction of first sensor 2a and second sensor 2b resistor with by first
Sensor 2a other end 2ay, second sensor 2b other end 2by and the 3rd lug plate 3k connections.
On the longitudinal direction of first sensor 2a resistor, the first lug plate 3m at least a portion 3mz compared to
By the first lug plate 3m and the connection member that the first conductive path 4m is connected closer to first sensor 2a.Moreover, passed second
On the longitudinal direction of sensor 2b resistor, the second lug plate 3n at least a portion 3nz compared to by the second lug plate 3n with
The connection member of second conductive path 4n connections is closer to second sensor 2b.Furthermore in first sensor 2a resistor
On longitudinal direction, the 3rd lug plate 3k a part of 3kz1Compared to what the 3rd lug plate 3k was connected with the 3rd conductive path 4k
Closer to first sensor 2a, and in addition, on the longitudinal direction of second sensor 2b resistor, the 3rd connects connection member
Line piece 3k a part of 3kz2Compared to by the 3rd lug plate 3k and the connection member that the 3rd conductive path 4k is connected closer to
Two sensor 2b.
In this second embodiment, for example, the first lug plate 3m and the second lug plate 3n are both functioned as and be applied in input voltage
Lug plate, and the 3rd lug plate 3k be used as by it detection output voltage lug plate.First sensor 2a and second is passed
One on the surface for the elastomer for stretching or shrinking when load applies to elastomer of a sensor arrangement in sensor 2b
On point, and another sensor arrangement in first sensor 2a and second sensor 2b is when load applies to elastomer
In the part on the surface for the elastomer for shrinking or stretching.By means of being connected to lug plate 3m, 3n and 3k wire, output represents
The electric signal of the change of resistance value in sensor, the change are proportional to the load of application to elastomer.By using two
This deformeter as described above can form full-bridge circuit.
In this second embodiment, on the longitudinal direction of first sensor 2a resistor, the first lug plate 3m is extremely
Few a part of 3mz compared to by the first lug plate 3m and the connection member that the first conductive path 4m is connected closer to sensor 2a.
When wire is welded on the first lug plate 3m, solder 5 also will be present in the 3mz of region.Similarly, second sensor 2b's
On the longitudinal direction of resistor, the second lug plate 3n at least a portion 3nz is conductive compared to by the second lug plate 3n and second
The connection member of path 4n connections is closer to second sensor 2b.When wire is welded on the second lug plate 3n, solder 5 also will
It is present in the 3nz of region.On the longitudinal direction of first sensor 2a resistor, the 3rd lug plate 3k a part of 3kz1Phase
Than in by the 3rd lug plate 3k with the connection member that the 3rd conductive path 4k is connected closer to first sensor 2a, and in addition,
On the longitudinal direction of second sensor 2b resistor, the 3rd lug plate 3k another part 3kz2Compared to by the 3rd wiring
Piece 3k and the connection member that the 3rd conductive path 4k is connected are closer to second sensor 2b.When wire is welded on the 3rd lug plate 3k
When upper, solder 5 also will be present in region 3kz1And 3kz2In.
By disposing this configuration, any crackle of formation will be predominantly located in region 3mz and 3kz1In and region 3nz
And 3kz2In solder 5 border around.In region 3mz and 3kz1In solder 5 in be likely to form crackle border be located at towards
First sensor 2a side.The crackle formed in that region is by the longitudinal direction of the resistor perpendicular to first sensor 2a
The side in direction upwardly extends.Moreover, in region 3nz and 3kz2In solder 5 in be likely to form the border of crackle and be located at towards the
Two sensor 2b side.The crackle formed in that region is by the longitudinal direction side of the resistor perpendicular to second sensor 2b
To side upwardly extend.
However, the crackle formed in these regions the not current path between lug plate 3m and 3k or lug plate 3n and 3k
Between current path intersect.Therefore, can such that due to disconnecting in the current path or part connecting fault and
Cause output voltage between the first lug plate 3m and the 3rd lug plate 3k and the second lug plate 3n and the 3rd lug plate 3k it
Between output voltage the occurrence of becoming unstable frequency minimize.
Fig. 6 and Fig. 7 shows wherein the first lug plate 3m, the second lug plate 3n and the 3rd lug plate 3k in first sensor 2a
The example arrangement formed in interval between second sensor 2b.It should be noted that such configuration can also be applied：Wherein connect
Line piece is formed in the interval not between first sensor 2a and second sensor 2b.
3. the 3rd embodiment
Deformeter according to the 3rd embodiment be four resistive element types (there are four sensors) and form full-bridge
Circuit.Fig. 8 shows the plan of the example of this deformeter.
The deformeter shown in Fig. 8 has first sensor 2c, second sensor 2d, the sensings of 3rd sensor 2e and the 4th
Device 2f, and there is the first lug plate 3s, the second lug plate 3t, the 3rd lug plate 3u and the 4th lug plate 3v.The deformeter is also
With the first conductive path 4u, the second conductive path 4v, the 3rd conductive path 4w and the 4th conductive path 4x.
First conductive path 4u extend on the longitudinal direction of first sensor 2c and 3rd sensor 2e resistor with
By first sensor 2c one end 2cx, 3rd sensor 2e one end 2ex and the first lug plate 3s connections.Second conductive path
4v extends on the longitudinal direction of first sensor 2c and the 4th sensor 2f resistor with by the another of first sensor 2c
Hold 2cy, the 4th sensor 2f one end 2fx and the second lug plate 3t connections.3rd conductive path 4w in second sensor 2d and
Extend on the longitudinal direction of 4th sensor 2f resistor with by second sensor 2d one end 2dx, the 4th sensor 2f
Other end 2fy and the 3rd lug plate 3u connections.4th conductive path 4x is in second sensor 2d and 3rd sensor 2e resistance
Extend on the longitudinal direction of device so that second sensor 2d other end 2dy, 3rd sensor 2e other end 2ey and the 4th to be connect
The 3v connections of line piece.
On the longitudinal direction of first sensor 2c resistor, the first lug plate 3s at least a portion 3sz compared to
By the first lug plate 3s and the connection member that the first conductive path 4u is connected closer to first sensor 2c.Moreover, passed first
On the longitudinal direction of sensor 2c resistor, the second lug plate 3t at least a portion 3tz compared to by the second lug plate 3t with
The connection member of second conductive path 4v connections is closer to first sensor 2c.Furthermore in second sensor 2d resistor
On longitudinal direction, the 3rd lug plate 3u at least a portion 3uz connects compared to by the 3rd lug plate 3u and the 3rd conductive path 4w
The connection member connect is closer to second sensor 2d.In addition, on the longitudinal direction of second sensor 2d resistor, the 4th connects
Line piece 3v at least a portion 3vz compared to by the 4th lug plate 3v and the connection member that the 4th conductive path 4x is connected closer to
Second sensor 2d.
In the 3rd embodiment, for example, the first lug plate 3s and the 3rd lug plate 3u are both functioned as and are applied in input voltage
Lug plate, and the second lug plate 3t and the 4th lug plate 3v both function as by its detect output voltage lug plate.First
Sensor 2c and second sensor 2d is arranged in the part on the surface that stretching, extension or the elastomer shunk occur when a load is applied
On, and 3rd sensor 2e and the 4th sensor 2f are arranged in the table for the elastomer for shrinking or stretching when a load is applied
In the part in face.By means of the wire being connected with lug plate 3s, 3u, 3t and 3v, output represents the resistance value in sensor
The electric signal of change, the change are proportional to the load of application to elastomer.
In the 3rd embodiment, on the longitudinal direction of first sensor 2c resistor, the surface of the first elastomer
, lug plate 3s a part of 3sz more leans on compared to by the first lug plate 3s with the first conductive path 4u connection members being connected
Nearly first sensor 2c.When wire is welded on the first lug plate 3s, solder 5 also will be present in the 3sz of region.Similarly,
On the longitudinal direction of first sensor 2c resistor, the second lug plate 3t at least a portion 3tz connects compared to by second
Line piece 3t and the connection member that the second conductive path 4v is connected are closer to first sensor 2c.When wire is welded on the second lug plate
When on 3t, solder 5 also will be present in the 3tz of region.Similarly, on the longitudinal direction of second sensor 2d resistor, the
Three lug plate 3u at least a portion 3uz is compared to the connection member for being connected the 3rd lug plate 3u with the 3rd conductive path 4w more
Close to second sensor 2d.When wire is welded on the 3rd lug plate 3u, solder 5 also will be present in the 3uz of region.It is similar
Ground, on the longitudinal direction of second sensor 2d resistor, the 4th lug plate 3v at least a portion 3vz is compared to by the 4th
Lug plate 3v and the connection member that the 4th conductive path 4z is connected are closer to second sensor 2d.When wire is welded on the 4th wiring
When on piece 3v, solder 5 also will be present in the 3vz of region.
By disposing this configuration, any crackle of formation will be predominantly located in region 3sz and 3tz and region 3uz and
Around the border of solder 5 in 3vz.The border that crackle is likely to form in solder 5 in region 3sz and 3tz is located at towards the
One sensor 2c side.The crackle formed in that region is by the longitudinal direction side of the resistor perpendicular to first sensor 2c
To side upwardly extend.Passed moreover, the border that crackle is likely to form in solder 5 in region 3uz and 3vz is located at towards second
Sensor 2d side.The crackle formed in that region is by the longitudinal direction of the resistor perpendicular to second sensor 2d
Side upwardly extends.
However, the crackle formed in these regions the not current path between the first lug plate 3s and the second lug plate 3t
Or the 3rd current path between lug plate 3u and the 4th lug plate 3v intersects.Therefore, can be such that due to the current path
In disconnect or part connecting fault and cause the output voltage between the first wiring 3s and the second lug plate 3t and
The occurrence of frequency that output voltage between three lug plate 3u and the 4th lug plate 3v becomes unstable minimizes.
The deformeter of full-bridge circuit is formed, deformeter as shown in Figure 8 can be included in the first lug plate 3s and second
The first sensor 2c that is formed between lug plate 3t and between the 3rd lug plate 3u and the 4th lug plate 3v, second sensor
2d, 3rd sensor 2e and the 4th sensor 2f.
4. modification
So far, according to various embodiments, invention has been described.However, when performing of the invention,
In the case of without departing substantially from the spirit of the present invention, concrete configuration can be modified by various modes.For example, above-mentioned lug plate
Shape and connection member shape be given as examples and be nonrestrictive.As long as realizing advantages of the present invention,
Shape can be changed in a variety of ways.
In embodiments above, there is provided the example of following configurations：Wherein sensor resistor longitudinal direction
On, the part of lug plate compared to by the lug plate and the corresponding connection member that corresponding conductive path connects closer to corresponding
Sensor.However, in each embodiment, following configurations can be applicable：Wherein sensor resistor longitudinal direction side
Upwards, the whole part of lug plate compared to by the lug plate and the corresponding connection member that corresponding conductive path connects closer to
Corresponding sensor.
Figure 10 shows the exemplary configuration of the deformeter of single resistive element type.In this example, connection member is formed as L
Shape.On the longitudinal direction of the resistor of sensor 2, conductive path is connected to corresponding to one end of lug plate 3a connection member
One end of 4a remote sensor 2, and the other end of the connection member is connected to wiring on the side opposite with sensor 2
Piece 3a.Similarly, on the longitudinal direction of resistor, conductive path is connected to corresponding to one end of lug plate 3b connection member
One end of 4b remote sensor 2, and the other end of the connection member is connected to lug plate in the side opposite with sensor 2
3b.Therefore, on the longitudinal direction of the resistor of sensor 2, lug plate 3a whole part compared to by lug plate 3a with leading
The connection member of power path 4a connections closer to sensor 2, and lug plate 3b whole part compared to by lug plate 3b with
The connection member of conductive path 4b connections is closer to sensor 2.
In the configuration, it is possible to achieve the advantages of the advantages of similar to described in the first embodiment.
Although Figure 10 shows that lug plate 3a and 3b are formed at the example arrangement of conductive path 4a and 4b inner side, wiring
Piece 3a and 3b can be formed at conductive path 4a and 4b outside.Furthermore although modification of the above-mentioned example to the first embodiment
It is described, but similar modification is also applied for the second embodiment and the 3rd embodiment, more specifically, second implements
Lug plate 3s, 3t, 3u and 3v described in lug plate 3m and 3n, the 3rd embodiment described in scheme and its connect accordingly
Relay part can be changed in a manner of similar to the modification described above by reference to Figure 10.
Sum it up, the present invention is it is to be understood that on the longitudinal direction of the resistor of corresponding sensor, lug plate
At least a portion is compared to corresponding connection member (or corresponding multiple connection members) closer to sensor, the corresponding connection
Part connects the lug plate with corresponding conductive path.Here, " at least a portion of lug plate " can be the whole of lug plate
Individual part or a part for lug plate.
The description of reference
1：Substrate
2：Sensor
2a, 2c first sensor
2b, 2d second sensor
2e 3rd sensors
The sensors of 2f the 4th
3a, 3b, 3i, 3j lug plate
The lug plate of 3m, 3s first
The lug plate of 3n, 3t second
The lug plate of 3k, 3u the 3rd
The lug plate of 3m, 3n the 4th
4a, 4b conductive path
The conductive path of 4m, 4u first
The conductive path of 4n, 4v second
The conductive path of 4k, 4w the 3rd
The conductive paths of 4x the 4th
5 solders
6 show to form the line of the position of crackle
Claims (3)
1. a kind of deformeter, including：
Sensor, the sensor include machine-direction oriented resistor；
Lug plate, each region for including that solder can be applied in the lug plate；And
Conductive path, the conductive path extend on the longitudinal direction of the resistor with by the sensor and the wiring
Piece connects,
Wherein, on the longitudinal direction of the resistor, at least a portion of each lug plate is compared to by described and corresponding
Conductive path connection connection member closer to sensor, corresponding conductive path be one of described conductive path and
The lug plate is connected with the sensor.
2. a kind of deformeter, including：
Sensor, the sensor include machine-direction oriented resistor；
Lug plate, each region for including that solder can be applied in the lug plate；And
Conductive path,
Wherein, the sensor includes first sensor and second sensor,
Wherein, the lug plate includes the first lug plate, the second lug plate and the 3rd lug plate,
Wherein, the conductive path includes：
First conductive path, extension will be with will on the longitudinal direction of resistor of first conductive path in the first sensor
One end of the first sensor is connected with first lug plate；
Second conductive path, extension will be with will on the longitudinal direction of resistor of second conductive path in the second sensor
One end of the second sensor is connected with second lug plate；
3rd conductive path, the 3rd conductive path is in the vertical of the first sensor and the resistor of the second sensor
Upwardly extended to side with by the other end and the 3rd lug plate of the other end of the first sensor, the second sensor
Connection,
Wherein, on the longitudinal direction of the resistor of the first sensor, at least a portion of first lug plate is compared
In by first lug plate and the connection member that first conductive path is connected closer to the first sensor,
Wherein, on the longitudinal direction of the resistor of the second sensor, at least a portion of second lug plate is compared
In by second lug plate and the connection member that second conductive path is connected closer to the second sensor,
Wherein, on the longitudinal direction of the resistor of the first sensor, a part for the 3rd lug plate is compared to general
The connection member that 3rd lug plate is connected with the 3rd conductive path closer to the first sensor, and
Wherein, on the longitudinal direction of the resistor of the second sensor, a part for the 3rd lug plate is compared to general
3rd lug plate and the connection member that the 3rd conductive path is connected are closer to the second sensor.
3. a kind of deformeter, including：
Sensor, the sensor include machine-direction oriented resistor；
Lug plate, each region for including that solder can be applied in the lug plate；And
Conductive path,
Wherein, the sensor includes first sensor, second sensor, 3rd sensor and the 4th sensor,
Wherein, the lug plate includes the first lug plate, the second lug plate, the 3rd lug plate and the 4th lug plate, and
Wherein, the conductive path includes：
First conductive path, first conductive path is in the vertical of the first sensor and the resistor of the 3rd sensor
Upwardly extended to side so that one end of the first sensor, one end of the 3rd sensor and first lug plate to be connected
Connect；
Second conductive path, second conductive path is in the vertical of the resistor of the first sensor and the 4th sensor
Upwardly extended to side so that the other end of the first sensor, one end of the 4th sensor and second lug plate to be connected
Connect；
3rd conductive path, the 3rd conductive path is in the vertical of the resistor of the second sensor and the 4th sensor
Upwardly extended to side so that one end of the second sensor, the other end of the 4th sensor and the 3rd lug plate to be connected
Connect；And
4th conductive path, the 4th conductive path is in the vertical of the resistor of the second sensor and the 3rd sensor
Upwardly extended to side with by the other end of the second sensor, the other end of the 3rd sensor and the 4th lug plate
Connection,
Wherein, on the longitudinal direction of the resistor of the first sensor, at least a portion of first lug plate is compared
In by first lug plate and the connection member that first conductive path is connected closer to the first sensor,
Wherein, on the longitudinal direction of the resistor of the first sensor, at least a portion of second lug plate is compared
In by second lug plate and the connection member that second conductive path is connected closer to the first sensor,
Wherein, on the longitudinal direction of the resistor of the second sensor, at least a portion of the 3rd lug plate is compared
In the connection member for being connected the 3rd lug plate with the 3rd conductive path closer to the second sensor, and
Wherein, on the longitudinal direction of the resistor of the second sensor, at least a portion of the 4th lug plate is compared
In by the 4th lug plate and the connection member that the 4th conductive path is connected closer to the second sensor.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016033241A JP2017150931A (en) | 2016-02-24 | 2016-02-24 | Strain gauge |
| JP2016-033241 | 2016-02-24 | ||
| CN201710061761.1A CN107121224A (en) | 2016-02-24 | 2017-01-26 | Deformeter |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710061761.1A Division CN107121224A (en) | 2016-02-24 | 2017-01-26 | Deformeter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107449350A true CN107449350A (en) | 2017-12-08 |
| CN107449350B CN107449350B (en) | 2020-03-10 |
Family
ID=59522279
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710061761.1A Pending CN107121224A (en) | 2016-02-24 | 2017-01-26 | Deformeter |
| CN201710218623.XA Expired - Fee Related CN107449350B (en) | 2016-02-24 | 2017-01-26 | Strain gauge |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710061761.1A Pending CN107121224A (en) | 2016-02-24 | 2017-01-26 | Deformeter |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2017150931A (en) |
| CN (2) | CN107121224A (en) |
| DE (1) | DE102016222881B4 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107121224A (en) * | 2016-02-24 | 2017-09-01 | 株式会社百利达 | Deformeter |
| CN110953980A (en) * | 2019-11-27 | 2020-04-03 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Method for detecting bulging of deep sea pressure-resistant battery monomer |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102151766B1 (en) * | 2019-05-22 | 2020-09-03 | 전북대학교산학협력단 | Strain gauge, strain sensor including the same, and strain measurement method using the same |
| JP7469933B2 (en) * | 2020-03-30 | 2024-04-17 | ミネベアミツミ株式会社 | Strain gauges |
| US11592377B2 (en) * | 2020-04-20 | 2023-02-28 | Vishay Measurements Group, Inc. | Fatigue life sensor for measuring repetitive loads applied to a structure based upon cracks propagating from crack initiation features of the sensor |
| JP2022187576A (en) * | 2021-06-08 | 2022-12-20 | ミネベアミツミ株式会社 | strain gauge |
| JP2024121310A (en) * | 2023-02-27 | 2024-09-06 | ミネベアミツミ株式会社 | Strain Gauges and Strain Sensors |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107121224A (en) | 2017-09-01 |
| DE102016222881B4 (en) | 2018-07-26 |
| JP2017150931A (en) | 2017-08-31 |
| CN107449350B (en) | 2020-03-10 |
| DE102016222881A1 (en) | 2017-08-24 |
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