CN206648719U - A kind of big weighing parallel girder weighing sensor of small profile - Google Patents
A kind of big weighing parallel girder weighing sensor of small profile Download PDFInfo
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- CN206648719U CN206648719U CN201621482627.6U CN201621482627U CN206648719U CN 206648719 U CN206648719 U CN 206648719U CN 201621482627 U CN201621482627 U CN 201621482627U CN 206648719 U CN206648719 U CN 206648719U
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Abstract
A kind of big weighing parallel girder weighing sensor of small profile, including connecting plate, backing plate, four resistance strain gages, compensate resistance, cable and elastomer, elastomer is set to the parallel girder construction of diplopore, both ends, which are provided with, on the outside of elastomer is fixedly mounted hole, compensation resistance hole is being provided with close to fixed installation hole site, compensation resistance welding is located in compensation resistance hole, elastic body side surface both ends are provided with cable threading hole, four resistance strain gages are respectively adhered on elastomer and strain two maximum outer surfaces up and down, four resistance strain gages, compensate resistance, cable composition bridge detection circuit.The utility model weighing sensor range is big, accuracy class is high, has carried out outputting standard and performance indications compensation, has been adjusted by corner, offset load resistance is improved, suitable for more high precision and large measuring range electronic platform scales that are used in parallel, requiring small space mounting and various special electronic weighing apparatus.
Description
Technical field
Weighing sensor field is the utility model is related to, more particularly to a kind of small big weighing parallel girder weighing and sensing of profile
Device.
Background technology
The parallel beam load cell of diplopore is a kind of weighing sensor being most widely used in the market, is used for making
Make electronic platform scale, balance, human body balance, kitchen scale etc., producing the producer of weighing sensor, almost there is certain batch in every family
The type weighing sensor production.
Generally the parallel beam type structural alloy steel weighing sensor appearance and size of 600kg diplopores is larger, and length is more
Between 150mm~200mm, height is more between 45mm~95mm；It is single only to use, compensated without outputting standardization.
Utility model content
The purpose of this utility model is to provide a kind of to meet weighing sensor in smaller space, and needs more and in parallel makes
With requiring, while meet the big weighing parallel girder weighing sensor of small profile of the high precision performance index of weighing sensor.
The technical scheme in the invention for solving the technical problem is：
A kind of big weighing parallel girder weighing sensor of small profile, including connecting plate, backing plate, four resistance strain gages, compensation
Resistance, cable and elastomer, the elastomer are set to the parallel girder construction of diplopore, and elastomer includes upper parallel girder, lower parallel girder
The outside both ends of two through holes between upper parallel girder and lower parallel girder, the upper parallel girder and lower parallel girder are provided with fixed pacify
Hole is filled, elastomer is provided with compensation resistance hole close to hole site is fixedly mounted, and the compensation resistance welding is in compensation resistance hole, bullet
Property body side surface both ends are provided with cable threading hole, and cable passes through cable threading hole, and four resistance strain gages are respectively adhered on
Elastomer strains two maximum outer surfaces, described four resistance strain gages, compensation resistance, cable composition bridge detection up and down
Circuit.
The compensation resistance includes temperature performance compensation resistance one, temperature performance compensation resistance two, outputting standardization compensation
Resistance, zero compensation resistance and temperature zero compensation resistance, four resistance strain gages include first resistor foil gauge, second
Resistance strain gage, 3rd resistor foil gauge, the 4th resistance strain gage, the bridge detection circuit also include straining positioned at second resistance
First node between piece and the 4th resistance strain gage, second between first resistor foil gauge and second resistance foil gauge
Node, the 3rd node between first resistor foil gauge and 3rd resistor foil gauge, positioned at 3rd resistor foil gauge and
Fourth node between four resistance strain gages；First resistor foil gauge, second resistance foil gauge, zero compensation resistance and zero temperature
Point compensation resistant series connection, 3rd resistor foil gauge is connected in series with the 4th resistance strain gage, then passes through first node, the
Three nodes are connected in parallel.The temperature performance compensation parallel connection of resistance two is located on temperature performance compensation resistance one, outputting standard resistance
It is serially connected between circuit power and first node；Section point connects one end of output end, and fourth node connects the another of output end
One end.Circuit power and outputting standardization compensation resistance, temperature performance compensation resistance one, temperature performance compensation resistance two, four
Resistance strain gage, zero compensation resistance and temperature zero compensation resistance group scale bridge detection circuit.
Further, a length of 125mm of the elastomer, a width of 38mm, a height of 30mm.
Further, the connecting plate is located at sensor both sides up and down, and backing plate is provided between chain connecting plate and sensor, is sensed
Being bolted on connecting plate on hole is fixedly mounted by being located in device.
Further, elastomer is made from alloy structure Steel material, and outer elastomeric surface is provided with nickel coating.
The usefulness of the utility model is：
1. by being defined to the structure snd size of sensor, sensor is fixedly mounted to the threading hole of hole and cable
If in the sensor, and by performance compensation device being located in hole, more spaces are not take up, sensor overall volume is diminished, are tied
Structure is compacter, so as to be used in smaller space, and meet more it is in parallel the needs of, it is easy to install and use.
2. a sensor elastomer is processed from high-quality alloy steel material, chemical nickel plating on surface processing, more resistance to tired
Labor, there is provided service life and use environment scope, the occasion of weighing that can be used in environment difference use for a long time.
3. a sensor carries out performance compensation and position error adjustment, make accuracy class high, improve offset load resistance, fit
For more high precision and large measuring range electronic platform scales that are used in parallel, requiring small space mounting and various special electronic weighing apparatus.
Brief description of the drawings
Fig. 1 is the utility model front view：
Fig. 2 is the utility model top view；
Fig. 3 is the utility model scheme of installation；
Fig. 4 is this weighing sensor performance compensation schematic diagram；
In figure, 1, elastomer, 2, resistance strain gage, 3, compensation resistance, 4, cable, 5, cable threading hole, 6, fixed
Mounting hole, 7, be sealed glue, 8, bolt, 9, connecting plate, 10, backing plate, 11, temperature performance compensation resistance one, 12, circuit power, 13,
Circuit output end, 14, first node, 15, section point, the 16, the 3rd node, 17, fourth node, 18, zero compensation resistance,
19th, temperature zero compensation resistance, 21, first resistor foil gauge, 22, second resistance foil gauge, 23,3rd resistor foil gauge,
24th, the 4th resistance strain gage, 31, temperature performance compensation resistance two, 32, outputting standardization compensation resistance.
Embodiment
A kind of small big weighing parallel girder weighing sensor of profile as shown in Figures 1 to 4, the utility model include elastomer
1st, foil gauge 2, compensation resistance 3, cable 4, connecting plate 9, backing plate 10, are illustrated to the utility model below in conjunction with the accompanying drawings.
As shown in figure 1, elastomer 1 is set to double parallel girder construction, a length of 125mm of elastomer 1, a width of 38mm are a height of
30mm, and elastomer 1 is made from high-quality alloy steel material, chemical nickel plating on surface processing, makes elastomer 1 more resistance to tired
Labor, meet more use environments.
As shown in figure 3, elastomer 1 includes two between upper parallel girder, lower parallel girder and upper parallel girder and lower parallel girder
The outside both ends of through hole, the upper parallel girder and lower parallel girder are respectively equipped with 4 fixed installation holes 6, each to be fixedly mounted on hole 6
Provided with bolt, bolt 8 is 8 M6 high intensity, and connecting plate 9 and sensor are fixed by bolt 8, and bolt 8 and sensing
Backing plate 10 is provided between device.When from bolt 8, according to the maximum weighing of sensor, the installation specification of bolt 8, pacified
The torque arithmetic of bolt 8 is filled, fixed sensor bolt 8 has been calculated and torque value is installed, it is determined that install sensor bolt 8
Strength grade, install and use stability with ensure sensor.
The side end face end of elastomer 1 is close to the position in 4 fixed installation holes, and provided with compensation resistance hole, the compensation welding of resistance 3 is set
In compensation resistance hole, the side both ends of elastomer 1 are provided with cable threading hole 5, and cable 4 passes through cable threading hole 5, made
Cable 4 and compensation resistance are not take up more spaces, and sensor construction is compacter, and elastomer is strained about 1 outside the two of maximum
Side surface is stained with four foil gauges 2 and built-up circuit respectively, and foil gauge 2 pastes position and covers multi-layer sealed glue 7.
As shown in figure 4, the circuit includes first resistor foil gauge 21, second resistance foil gauge 22,3rd resistor strain
Piece 23, the 4th resistance strain gage 24, temperature performance compensation resistance 2 31, outputting standardization compensation resistance 32, temperature performance compensation
Resistance 1, circuit power 12, the first node 14 between the resistance strain gage 24 of second resistance foil gauge 22 and the 4th, position
Section point 15 between first resistor foil gauge 21 and second resistance foil gauge 22, positioned at first resistor foil gauge 21 and
The 3rd node 16 between three resistance strain gages 23, between 3rd resistor foil gauge 23 and the 4th resistance strain gage 24
Four nodes 17, first resistor foil gauge 21, second resistance foil gauge 22, zero compensation resistance 18, temperature zero compensation resistance 19
Be connected in series, 3rd resistor foil gauge 23 is connected in series with the 4th resistance strain gage 24, then by first node 14, Section three
Point 16 is connected in parallel.The temperature performance compensation parallel connection of resistance 2 31 is located on thermo-compensator 1, outputting standard resistance 32
It is serially connected between power input and first node 14；Section point 15 connects one end of output end 13, and fourth node 17 connects
The other end of output end 13.Circuit power 12 compensates resistance 32 with outputting standardization, temperature performance compensates resistance 1, stability
2 31, four resistance strain gages of resistance, zero compensation resistance 18 and temperature zero compensation resistance 19 can be compensated and form bridge detection electricity
Road.
The sensor assembles manufacturing process, mainly including strain gauge adhesion, solidification --- and distribution group bridge-foil gauge is moistureproof
Sealing-welding kesistance-cable installation-position error adjustment-output test-output compensation --- sensor protection against the tide is close
Envelope-sensor performance detection.
By the implementation of the utility model, while sensor bulk is reduced, the anti-bias load energy of sensor can be ensured
Power, and the accuracy class of sensor is high, suitable for more high precision and large measuring range electronics that are used in parallel, requiring small space mounting
Platform scale and various special electronic weighing apparatus.
In implementation process, it is modeled first by Solidworks Three-dimensional Design Softwares, using COSMOS softwares pair
Data model carries out finite element analysis, and design is optimized to elastomer；Finite element and stress are passed through to elastomer critical size
Analysis is designed checking, it is ensured that sensor output meets design requirement.
Making is processed to elastomer in numerical control machining center, ensure that elastomer machining accuracy.
According to the maximum weighing of sensor, installation bolt specification, installation bolt torque arithmetic is carried out, has been calculated
Fixed sensor installs torque value with bolt, it is determined that the strength grade of install sensor bolt, to ensure the peace of sensor
Fill stability in use.
Special to devise elastomer special machine processing tool, sensor production and detecting tool, sensor is detected high-precision
Spend force measuring machine to carry out, the use of multinomial frock, ensure that the machining accuracy of the model sensor and the uniformity of performance indications.
For the ordinary skill in the art, according to teaching of the present utility model, the utility model is not being departed from
Principle and spirit in the case of, the changes, modifications, replacement and the modification that are carried out to embodiment still fall within of the present utility model
Within protection domain.
Claims (5)
1. a kind of big weighing parallel girder weighing sensor of small profile, including connecting plate, backing plate, four resistance strain gages, performance are mended
Repay resistance, cable and elastomer, it is characterised in that the elastomer is set to the parallel girder construction of diplopore, and elastomer includes upper flat
The outside of two through holes between cross girders, lower parallel girder and upper parallel girder and lower parallel girder, the upper parallel girder and lower parallel girder
Both ends, which are provided with, is fixedly mounted hole, and elastomer is provided with compensation resistance hole, the compensation resistance and temperature close to hole site is fixedly mounted
Compensating device welding is located in compensation resistance hole, and elastic body side surface both ends are provided with cable threading hole, and cable passes through cable
Threading hole, four resistance strain gages are respectively adhered on elastomer and strain two maximum outer surfaces, described four resistance up and down
Foil gauge, compensation resistance, cable bridge composition detection circuit.
A kind of 2. small big weighing parallel girder weighing sensor of profile according to claim 1, it is characterised in that the compensation
Resistance includes temperature performance compensation resistance one, temperature performance compensation resistance two, outputting standardization compensation resistance, zero compensation resistance
And temperature zero compensation resistance, four resistance strain gages include first resistor foil gauge, second resistance foil gauge, the 3rd electricity
Foil gauge, the 4th resistance strain gage are hindered, the detection circuit also includes being located at second resistance foil gauge and the 4th resistance strain gage
Between first node, the section point between first resistor foil gauge and second resistance foil gauge, positioned at first resistor
The 3rd node between foil gauge and 3rd resistor foil gauge, between 3rd resistor foil gauge and the 4th resistance strain gage
Fourth node；First resistor foil gauge, second resistance foil gauge, zero compensation resistance and temperature zero compensation resistant series connect
Connect, 3rd resistor foil gauge is connected in series with the 4th resistance strain gage, is then connected in parallel by first node, the 3rd node；
The temperature performance compensation parallel connection of resistance two is located on temperature performance compensation resistance one, and it is defeated that outputting standardization compensation resistance is serially connected in power supply
Enter between end and first node；Section point connects one end of power output end, and fourth node connects the another of power output end
End.
3. a kind of small big weighing parallel girder weighing sensor of profile according to claim 1, it is characterised in that elastomer
A length of 125mm, a width of 38mm, a height of 30mm.
A kind of 4. small big weighing parallel girder weighing sensor of profile according to claim 1, it is characterised in that the connection
Plate is located at sensor both sides up and down, and backing plate is provided between connecting plate and sensor, and sensor is fixedly mounted on hole by being located at
It is bolted on connecting plate.
5. a kind of small big weighing parallel girder weighing sensor of profile according to claim 1, it is characterised in that elastomer selects
Made of alloy structure Steel material, outer elastomeric surface is provided with nickel coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621482627.6U CN206648719U (en) | 2016-12-30 | 2016-12-30 | A kind of big weighing parallel girder weighing sensor of small profile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621482627.6U CN206648719U (en) | 2016-12-30 | 2016-12-30 | A kind of big weighing parallel girder weighing sensor of small profile |
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| Publication Number | Publication Date |
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| CN206648719U true CN206648719U (en) | 2017-11-17 |
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| CN201621482627.6U Active CN206648719U (en) | 2016-12-30 | 2016-12-30 | A kind of big weighing parallel girder weighing sensor of small profile |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107941309A (en) * | 2017-11-21 | 2018-04-20 | 广东永衡良品科技有限公司 | A kind of electronic scale that standalone sensor is not required |
| CN108917894A (en) * | 2018-05-22 | 2018-11-30 | 应晨聪 | Electronic scale sensor device |
| CN109932035A (en) * | 2019-04-16 | 2019-06-25 | 利康森隆（丹阳）智能机械有限公司 | A kind of vehicle-mounted weighing structure of kitchen waste cart and its weighing method |
| CN110260961A (en) * | 2018-05-21 | 2019-09-20 | 九阳股份有限公司 | A kind of accurate food processor and weighing method of weighing |
| CN110779608A (en) * | 2018-07-31 | 2020-02-11 | 苏州德沃物流科技有限公司 | Folding intelligent electronic scale |
-
2016
- 2016-12-30 CN CN201621482627.6U patent/CN206648719U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107941309A (en) * | 2017-11-21 | 2018-04-20 | 广东永衡良品科技有限公司 | A kind of electronic scale that standalone sensor is not required |
| CN110260961A (en) * | 2018-05-21 | 2019-09-20 | 九阳股份有限公司 | A kind of accurate food processor and weighing method of weighing |
| CN108917894A (en) * | 2018-05-22 | 2018-11-30 | 应晨聪 | Electronic scale sensor device |
| CN110779608A (en) * | 2018-07-31 | 2020-02-11 | 苏州德沃物流科技有限公司 | Folding intelligent electronic scale |
| CN109932035A (en) * | 2019-04-16 | 2019-06-25 | 利康森隆（丹阳）智能机械有限公司 | A kind of vehicle-mounted weighing structure of kitchen waste cart and its weighing method |
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