CN207540642U - Novel double parallel beam type weighing sensor - Google Patents
Novel double parallel beam type weighing sensor Download PDFInfo
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- CN207540642U CN207540642U CN201721793453.XU CN201721793453U CN207540642U CN 207540642 U CN207540642 U CN 207540642U CN 201721793453 U CN201721793453 U CN 201721793453U CN 207540642 U CN207540642 U CN 207540642U
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- transverse girder
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Abstract
The utility model is related to a kind of novel double parallel beam type weighing sensors, especially suitable for being used for a long time under hygrothermal environment, belong to resistance strain weighing transducer technical field.Including the elastomer made of aluminum alloy materials, elastomer includes intermediate transverse girder and the loading end set on intermediate transverse girder both ends, installation end, intermediate transverse girder and loading end, installation end is structure as a whole, run through the through-hole in intermediate transverse girder whole thickness direction there are one being opened up on intermediate transverse girder, intermediate transverse girder it is upper, the position that lower surface corresponds to through-hole is strain regions, it is opened up at two strain zone positions fluted, strain ga(u)ge and temperature compensation device are pasted in groove, the sealant layer for sealing strain ga(u)ge and temperature compensation device is laid on groove, the surface of sealant layer and loading end, the surface of installation end is in same level.The utility model can realize precise weighing under the conditions of high humility, high corrosion and stability is good.
Description
Technical field
The utility model is related to a kind of novel double parallel beam type weighing sensor, especially suitable for long-time under hygrothermal environment
It uses, belongs to resistance strain weighing transducer technical field.
Background technology
In recent years, with the rapid development of computer technology and automatic control technology, in the wild under hygrothermal environment for a long time
It is using, increasing for measuring the demand of the high-precision sensor of force value size, in addition, being weighed using resistance-strain type
The electronic scale of sensor, since it is with compact-sized, reading is intuitive, speed of weighing is fast, precision is high, moderate, carrying side
Just the advantages that is even more to be widely used in weighing in trade settlement, human body weighing and kitchen.China is as emerging warp
Ji big country and electronic scale big producer, the output of electronic scale have accounted for global more than 70%, have produced various commercial electronics per year
Weighing apparatus and more than one hundred million of domestic electronic weighing apparatus.In these application fields, a kind of resistance-strain type of the parallel girder construction of diplopore is weighed
Sensor application is most wide, and dosage is maximum.The resistance strain weighing transducer of this double flat cross girders form passes through to elastomer
Intermediate position imposes drilling and Milling Process, and elastomer is got through to form two strain beams being mutually parallel, what Kong Yuliang was formed
Four thinnest parts are four strain positions；Strain ga(u)ge is pasted onto four strain positions, and form Wheatstone bridge, is led to
It crosses Wheatstone bridge and strain is converted into electric signal output, to measure the size for the load for being applied to loading position.This shape
The sealing of the weighing sensor strain ga(u)ge and circuit part of formula is carried out by straining the form of the applications such as position fluid sealant
Protection, to prevent the erosion of moisture and corrosive gas to strain ga(u)ge and circuit part.This protection form is for making
It is possible, but severe for use environment with the preferable market of environment, hot and cold alternation and the larger field of humidity or aquatic products packet
The industry that fills and weigh just will appear the problem of humidity resistance is poor, and the lighter causes the change of null offset or the sensitivity of weighing sensor
It is dynamic so that system must be recalibrated, and severe one weighing sensor is scrapped completely, make system can not normal use.
At present, it would be highly desirable to a kind of novel double parallel beam type weighing sensor that can solve above-mentioned technical problem occur.
Invention content
The purpose of this utility model is that solve the shortcomings of the prior art, provide it is a kind of can high humility,
Precise weighing and the good novel double parallel beam type weighing sensor of stability are realized under the conditions of high corrosion.
Novel double parallel beam type weighing sensor, is characterized in that including elastomer 1 made of aluminum alloy materials,
Elastomer 1 includes intermediate transverse girder 2 and loading end 3, installation end 4 set on 2 both ends of intermediate transverse girder, intermediate transverse girder 2 and loading end 3,
Installation end 4 is structure as a whole, and is opened up on intermediate transverse girder 2 there are one the through-hole 15 for running through 2 whole thickness direction of intermediate transverse girder, intermediate
The position that the upper and lower surface of crossbeam 2 corresponds to through-hole 15 is strain regions, opens up fluted 6 at two strain zone positions, groove
Strain ga(u)ge 7 and temperature compensation device 8 are pasted in 6, is laid on groove 6 and is mended for sealing strain ga(u)ge 7 and temperature
The sealant layer 9 of device 8 is repaid, the surface and the surface of loading end 3, installation end 4 of sealant layer 9 are in same level；
As a kind of preferred technical solution of the utility model, mounting hole is offered on the loading end 3 and installation end 4
5, wherein, loading end 3 is installed on bearing frame, and installation end 4 is installed on pedestal；
As a kind of preferred technical solution of the utility model, the shape of the groove 6 is oblong or rectangle；
As a kind of preferred technical solution of the utility model, the slot of the groove 6 is 3-4 millimeters a height of；
As a kind of preferred technical solution of the utility model, the cross section of the through-hole 15 is in petal-shaped, intermediate transverse girder 2
To correspond to the position of petal-shaped through-hole 15 be strain regions on upper and lower surface, the side of petal-shaped through-hole 15 is identical by four diameters
I 15-1 of semicircle, II 15-2 of semicircle, III 15-3 of semicircle, IV 15-4 of semicircle composition；
As a kind of preferred technical solution of the utility model, it is 350 ohm that the strain ga(u)ge 7, which includes four resistance values,
Resistance I 10, temperature compensation device 8 includes the resistance II 11 that four resistance values are 30 ohm；
As a kind of preferred technical solution of the utility model, it is 1000 Europe that the strain ga(u)ge 7, which includes four resistance values,
The resistance I of nurse, temperature compensation device 8 include the resistance II that four resistance values are 80 ohm；
As a kind of preferred technical solution of the utility model, offer to place wiring board on the elastomer 1
Circuit board slot 12, circuit board slot 12 be equipped with cable aperture 13 and threading hole 14.
The novel double parallel beam type weighing sensor of the utility model, smart structural design are opened in the strain regions of elastomer
If groove, the electronic devices such as strain gauge are pasted onto to the bottom of groove, it thus can be in identical installation dimension and the situation of structure
Under, the length of sealant layer and elastomer bonding interface is increased, obstructs and has delayed moisture or corrosive gas should to resistance
Become the erosion of the electronic devices such as meter, while also increase the thickness of strain position protective rubber, while also accordingly enhance to resistance
The protective action of the electronic device of strain gauge, by this improvement greatly strengthen resistance strain weighing transducer to moisture and
The protective capacities of corrosive gas.In conclusion the utility model smart structural design, it can be under the conditions of high humility, high corrosion
Realize precise weighing.
Description of the drawings
Fig. 1：The structure diagram of the novel double parallel beam type weighing sensor of the utility model；
Fig. 2：The bottom view of Fig. 1；
Fig. 3：The rearview of Fig. 1.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
Embodiment 1
The novel double parallel beam type weighing sensor of the present embodiment, refer to the attached drawing 1-3, including made of aluminum alloy materials
Elastomer 1, elastomer 1 include intermediate transverse girder 2 and loading end 3, installation end 4 set on 2 both ends of intermediate transverse girder, intermediate transverse girder 2 with
Loading end 3, installation end 4 are structure as a whole, and open up that there are one through the logical of 2 whole thickness direction of intermediate transverse girder on intermediate transverse girder 2
Hole 15, the position that the upper and lower surface of intermediate transverse girder 2 corresponds to through-hole 15 are strain regions, are offered at two strain zone positions
Groove 6 is pasted with strain ga(u)ge 7 and temperature compensation device 8 in groove 6, is laid with to seal strain ga(u)ge on groove 6
7 and the sealant layer 9 of temperature compensation device 8, the surface and the surface of loading end 3, installation end 4 of sealant layer 9 are in same water
In plane, mounting hole 5 is offered on loading end 3 and installation end 4, wherein, loading end 3 is installed on bearing frame, and installation end 4 is pacified
Loaded on pedestal, groove 6 is in oblong, and the slot of groove 6 is 3-4 millimeters a height of, and the cross section of through-hole 15 is intermediate horizontal in petal-shaped
The position that the upper and lower surface of beam 2 corresponds to petal-shaped through-hole 15 is strain regions, and the side of petal-shaped through-hole 15 is by four diameter phases
I 15-1 of semicircle together, II 15-2 of semicircle, III 15-3 of semicircle, IV 15-4 of semicircle compositions, strain ga(u)ge 7 are including four resistance values
350 ohm of resistance I 10, temperature compensation device 8 include the resistance II 11 that four resistance values are 30 ohm, are opened up on elastomer 1
It is useful for placing the circuit board slot 12 of wiring board, circuit board slot 12 is equipped with cable aperture 13 and threading hole 14.
Embodiment 2
The present embodiment and embodiment 1 difference lies in：Strain ga(u)ge 7 includes the resistance I that four resistance values are 1000 ohm,
Temperature compensation device 8 includes the resistance II that four resistance values are 80 ohm.
The novel double parallel beam type weighing sensor of the present embodiment, on the basis of existing design, by strain beam
A kind of novel elastomer structure for straining the improvement at position and being formed, it is the survey of weighing under the conditions of high humility, high corrosion
Amount provides the weighing sensor that a kind of precision is high, long-time stability are good, specifically opens up groove in the strain regions of elastomer 1,
The electronic devices such as strain gauge are pasted onto to the bottom of groove, can thus be increased in the case of identical installation dimension and structure
The length of sealant layer and elastomer bonding interface obstructs and has delayed moisture or corrosive gas is to electricity such as strain ga(u)ges
The erosion of sub- device, while the thickness of strain position protective rubber is also increased, while also accordingly enhance to strain ga(u)ge
The protective action of electronic device greatly strengthens resistance strain weighing transducer to moisture and corrosivity gas by this improvement
The protective capacities of body.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case of the principle and spirit for not departing from the utility model, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (8)
1. novel double parallel beam type weighing sensor, it is characterised in that including the elastomer made of aluminum alloy materials（1）, elasticity
Body（1）Including intermediate transverse girder（2）And set on intermediate transverse girder（2）The loading end at both ends（3）, installation end（4）, intermediate transverse girder（2）With
Loading end（3）, installation end（4）It is structure as a whole, intermediate transverse girder（2）On open up that there are one through intermediate transverse girder（2）Whole thickness
The through-hole in direction（15）, intermediate transverse girder（2）Upper and lower surface correspond to through-hole（15）Position be strain regions, two strain regions
It is opened up at position fluted（6）, groove（6）Inside it is pasted with strain ga(u)ge（7）And temperature compensation device（8）, groove（6）On
It is laid with to seal strain ga(u)ge（7）And temperature compensation device（8）Sealant layer（9）, sealant layer（9）Surface with
Loading end（3）, installation end（4）Surface be in same level.
2. novel double parallel beam type weighing sensor described in accordance with the claim 1, it is characterised in that the loading end（3）And peace
Fill end（4）On offer mounting hole（5）, wherein, loading end（3）It is installed on bearing frame, installation end（4）It is installed on pedestal
On.
3. novel double parallel beam type weighing sensor described in accordance with the claim 1, it is characterised in that the groove（6）Shape
It is oblong or rectangle.
4. novel double parallel beam type weighing sensor described in accordance with the claim 3, it is characterised in that the groove（6）Slot it is high
It is 3-4 millimeters.
5. novel double parallel beam type weighing sensor described in accordance with the claim 1, it is characterised in that the through-hole（15）Horizontal stroke
Section is in petal-shaped, intermediate transverse girder（2）Upper and lower surface correspond to petal-shaped through-hole（15）Position be strain regions, petal-shaped
Through-hole（15）Side be by the identical semicircle I of four diameters（15-1）, semicircle II（15-2）, semicircle III（15-3）, semicircle IV
（15-4）Composition.
6. novel double parallel beam type weighing sensor described in accordance with the claim 1, it is characterised in that the strain ga(u)ge（7）
Including the resistance I that four resistance values are 350 ohm（10）, temperature compensation device（8）Including the resistance II that four resistance values are 30 ohm
（11）.
7. novel double parallel beam type weighing sensor described in accordance with the claim 1, it is characterised in that the strain ga(u)ge（7）
Including the resistance I that four resistance values are 1000 ohm, temperature compensation device（8）Including the resistance II that four resistance values are 80 ohm.
8. novel double parallel beam type weighing sensor described in accordance with the claim 1, it is characterised in that the elastomer（1）It is upper
Offer the circuit board slot for placing wiring board（12）, circuit board slot（12）It is equipped with cable aperture（13）And threading hole（14）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721793453.XU CN207540642U (en) | 2017-12-20 | 2017-12-20 | Novel double parallel beam type weighing sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721793453.XU CN207540642U (en) | 2017-12-20 | 2017-12-20 | Novel double parallel beam type weighing sensor |
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| Publication Number | Publication Date |
|---|---|
| CN207540642U true CN207540642U (en) | 2018-06-26 |
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ID=62618903
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| CN201721793453.XU Active CN207540642U (en) | 2017-12-20 | 2017-12-20 | Novel double parallel beam type weighing sensor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110779608A (en) * | 2018-07-31 | 2020-02-11 | 苏州德沃物流科技有限公司 | Folding intelligent electronic scale |
-
2017
- 2017-12-20 CN CN201721793453.XU patent/CN207540642U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110779608A (en) * | 2018-07-31 | 2020-02-11 | 苏州德沃物流科技有限公司 | Folding intelligent electronic scale |
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