CN206459725U - Strain-ga(u)ge transducer fixing device and the weighing device using the fixing device - Google Patents
Strain-ga(u)ge transducer fixing device and the weighing device using the fixing device Download PDFInfo
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- CN206459725U CN206459725U CN201621120238.9U CN201621120238U CN206459725U CN 206459725 U CN206459725 U CN 206459725U CN 201621120238 U CN201621120238 U CN 201621120238U CN 206459725 U CN206459725 U CN 206459725U
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- strain
- transducer
- extension plate
- fixing device
- fixed seat
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Abstract
The utility model is related to weighing equipment technical field, more particularly, to the weighing device of a kind of strain-ga(u)ge transducer fixing device and the use fixing device.The strain-ga(u)ge transducer fixing device, including extension plate and fixed seat, one end of the extension plate is fixedly connected with the fixed seat, and the other end of the extension plate is provided with strain-ga(u)ge transducer, and the extension plate is located between the strain-ga(u)ge transducer and the fixed seat.The weighing device includes described strain-ga(u)ge transducer fixing device, and the fixed seat is fixedly connected with the bottom plate of the weighing device.Strain-ga(u)ge transducer fixing device and the weighing device using the fixing device that the utility model is provided, for the less resistance strain-gauge transducer of rated load, the maximum gauge for meeting the extension plate required for weighing precision deflection can be easy to calculate, so as to ensure extension plate have it is relatively strong it is rigid under the premise of, reach the purpose being precisely weighed.
Description
Technical field
The utility model is related to weighing equipment technical field, more particularly, to a kind of strain-ga(u)ge transducer fixing device and makes
With the weighing device of the fixing device.
Background technology
At present, weighing device has been commonly applied to the every field of national economy, and to the requirement of weighing device
Precision of more and more higher, such as the weighing device requirement with higher antijamming capability and Geng Gao.Early stage electronic scale is usually logical
Cross analog circuit to realize, with the development and the gradually reduction of digital chip price of electronic technology, simulation control is slow
It is slow to be digitally controlled replacements, and the pattern of electronic scale design is also changed into the pattern using processor as core mostly, its precision and
Reliability also has significant raising.
For resistance-strain chip force cell, it is by patch sites on strain gage testing elastomer
Strain measure by the size of dynamometry.Wherein, the operation principle of resistance-strain chip weighing sensor is, when weighed object is put
When putting on the weighing platform of scale body, elastomer (flexible member, sensitive beam) produces elastic deformation under external force, makes to be pasted onto it
The resistance strain gage on surface also produces elastic deformation together therewith, after resistance strain gage is deformed upon, and its resistance will become
Change, sensor produces power-electrical effect therewith, the weight of object is converted into weighed object weight into certain functional relation (line
Sexual intercourse) analog electrical signal (curtage), so as to complete the process that external force is transformed to electric signal.
The fixing device of existing resistance strain-gauge transducer, majority is with a sheet metal, by resistance-strain chip
Sensor is placed on sheet metal, although so enable to resistance strain-gauge transducer to overload, but due to sheet metal
Flexural calculation is more complicated, it is difficult to the thickness of careful design sheet metal, for the less resistance strain-gauge transducer of rated load,
The deflection of sheet metal can not be amplified by reducing the thickness of sheet metal, so that being unable to reach the purpose being precisely weighed.
Utility model content
The purpose of this utility model is to provide a kind of strain-ga(u)ge transducer fixing device, to solve existing resistance-strain
What sheet type sensor fixing device was present can not be amplified the deflection of sheet metal by reducing the thickness of sheet metal, so that nothing
Method reaches the technical problem for the purpose being precisely weighed.
The purpose of this utility model also resides in a kind of weighing device of offer, and having solved common meausring apparatus can not be to quality
The technical problem being precisely weighed less than the object of minimum division value.
Based on above-mentioned first purpose, the utility model provides a kind of strain-ga(u)ge transducer fixing device, including extension plate
And fixed seat, one end of the extension plate is fixedly connected with the fixed seat, and the other end of the extension plate is fixed with foil gauge
Sensor, and the extension plate is positioned between the strain-ga(u)ge transducer and the fixed seat.
Further, the other end of the extension plate is detachably connected with the strain-ga(u)ge transducer.
Further, the other end of the extension plate is connected by the first fastening bolt with the strain-ga(u)ge transducer.
Further, the other end of the extension plate is connected by rivet with the strain-ga(u)ge transducer.
Further, one end of the extension plate is connected by the second fastening bolt with the fixed seat.
Further, in addition to height adjusting blocks, the height adjusting blocks are connected to institute by second fastening bolt
State between extension plate and the fixed seat.
Further, the lower surface of the fixed seat is provided with skid resistant course.
Further, the material of the extension plate is metal.
Further, the material of the extension plate is aluminium.
Based on above-mentioned second purpose, the utility model provides a kind of weighing device, and the weighing device includes described
Strain-ga(u)ge transducer fixing device, the fixed seat is fixedly connected with the bottom plate of the weighing device.
Compared with prior art, the beneficial effects of the utility model are：
A kind of strain-ga(u)ge transducer fixing device that the utility model is provided, including extension plate and fixed seat, the extension
One end of plate is fixedly connected with the fixed seat, and the other end of the extension plate is fixed with strain-ga(u)ge transducer, and the extension
Plate is located between the strain-ga(u)ge transducer and the fixed seat.The strain-ga(u)ge transducer fixing device knot that the utility model is provided
Structure is simple, and by setting extension plate, strain-ga(u)ge transducer is fixed on to the other end of extension plate, can be in the same of amplification deflection
When, it is ensured that strain-ga(u)ge transducer nonoverload.In addition, can be carried out according to the knowledge of the mechanics of materials to the moment of flexure deflection of extension plate
Calculate, for the less resistance strain-gauge transducer of rated load, can be easy to calculate and meet weighing precision deflection
The maximum gauge of required extension plate, so as to ensure extension plate have it is relatively strong it is rigid under the premise of, reach accurate title
The purpose of weight.
A kind of weighing device that the utility model is provided, the strain-ga(u)ge transducer for being provided with the utility model offer fixes dress
Put, the fixed seat is fixedly connected with the bottom plate of the weighing device.A kind of weighing device that the utility model is provided passes through peace
The strain-ga(u)ge transducer fixing device that the utility model is provided is filled, the minimum division value of original electronic scale can be less than to quality
Object is precisely weighed.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The accompanying drawing used required in embodiment or description of the prior art is briefly described, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation for the strain-ga(u)ge transducer fixing device that the utility model embodiment one is provided.
Reference：
101- extension plates；102- fixed seats；103- strain-ga(u)ge transducers；
The fastening bolts of 104- first；The fastening bolts of 105- second；106- height adjusting blocks；
107- skid resistant courses.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is a part of embodiment of the utility model, rather than whole embodiments.Based on the embodiment in the utility model, sheet
The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality
Novel protected scope.
, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation or position relationship of the instruction such as " level ", " interior ", " outer " are, based on orientation shown in the drawings or position relationship, to be only
Described for the ease of description the utility model and simplifying, rather than to indicate or imply that signified device or element must have specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that indicating or implying relative importance.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
The utility model is described in further detail below by specific embodiment and with reference to accompanying drawing.
Fig. 1 is the structural representation for the strain-ga(u)ge transducer fixing device that the utility model embodiment one is provided.Referring to Fig. 1
It is shown, present embodiments provide a kind of strain-ga(u)ge transducer fixing device, including extension plate 101 and fixed seat 102, extension plate
101 one end is fixedly connected with fixed seat 102, and the other end of extension plate 101 is fixed with strain-ga(u)ge transducer 103, and extension plate
101 are located between strain-ga(u)ge transducer 103 and the fixed seat 102.That is, fixed seat 102 and strain-ga(u)ge transducer 103
It is located at two plate faces of extension plate 101 respectively, i.e., within sweep of the eye, fixed seat 102 is located at the lower section of extension plate 101, strain
Piece sensor 103 is located at the top of extension plate 101.
The strain-ga(u)ge transducer fixture structure that the present embodiment is provided is simple, by setting extension plate 101, by foil gauge
Sensor 103 is fixed on the other end of extension plate 101, can be while deflection is amplified, it is ensured that strain-ga(u)ge transducer 103 is not
Overload.In addition, can be calculated according to the knowledge of the mechanics of materials the moment of flexure deflection of extension plate 101, for rated load
Less resistance strain-gauge transducer, can be easy to calculate the extension plate met required for the deflection of weighing precision
101 maximum gauge, so as to ensure extension plate 101 have it is relatively strong it is rigid under the premise of, reach the purpose being precisely weighed.
In the alternative of the embodiment, the other end and the strain-ga(u)ge transducer 103 of extension plate 101 are detachably connected.
The other end of extension plate 101 is set to be detachably connected with strain-ga(u)ge transducer 103, works as strain-ga(u)ge transducer
103 need change when, easily strain-ga(u)ge transducer 103 can be disassembled from the other end of extension plate 101, then pacifies
Fill new strain-ga(u)ge transducer 103；Or when length and/or the thickness for needing to recalculate extension plate 101, can also hold very much
Change places and meet the extension plate 101 of weighing precision requirement according to result of calculation replacing.
Preferably, in the alternative, the other end of extension plate 101 passes through the first fastening bolt 104 and foil gauge
Sensor 103 is connected.
When the quality for being weighed object changes, it is necessary to weight when the requirement of especially symmetrical accuracy of measurement changes
The new length and/or thickness for calculating extension plate 101, the first fastening bolt 104 and foil gauge are passed through by the other end of extension plate 101
Sensor 103 is connected, and the extension plate 101 that disclosure satisfy that weighing precision requirement can be easily changed according to result of calculation.
In the alternative, one end of extension plate 101 is connected by the second fastening bolt 105 with fixed seat 102.
When the quality for being weighed object changes, it is necessary to weight when the requirement of especially symmetrical accuracy of measurement changes
The new length and/or thickness for calculating extension plate 101, one end of extension plate 101 passes through the second fastening bolt 105 and fixed seat 102
Connection, can easily change the extension plate 101 that disclosure satisfy that weighing precision requirement according to result of calculation.
In the alternative, in addition to height adjusting blocks 106, height adjusting blocks 106 are connected by the second fastening bolt 105
It is connected between extension plate 101 and fixed seat 102.
When larger deformation occurs for extension plate 101, the other end of extension plate 101 can be touched under fixed seat 102 in advance
Plane where surface, and can not continue occur due deformation, so as to cause measurement result inaccurate.By height adjusting blocks
106 are connected between extension plate 101 and fixed seat 102 by the second fastening bolt 105, and such mode can increase extension plate
101 the distance between with plane where the lower surface of fixed seat 102, so as to being that extension plate 101 is provided and occurred compared with large deformation
Required space, it is ensured that the accuracy of measurement data.
In the alternative, the lower surface of fixed seat 102 is provided with skid resistant course 107.
The skid resistant course 107 that the alternative is used is existing anti-slip rubber.Set anti-skidding in the lower surface of fixed seat 102
Layer 107, can prevent fixed seat 102 from sliding, so that whole fixing device is more stablized, will not be to strain-ga(u)ge transducer 103
Interfere, make measurement result more accurate.
In the alternative, the material of extension plate 101 is metal.Generally, the rigidity of metal is than plastics or wooden firm
Property it is strong, certain pressure can be born, when pressure is applied into strain-ga(u)ge transducer 103, shape occurs for strain-ga(u)ge transducer 103
Become, the extension plate 101 being connected with strain-ga(u)ge transducer 103 can also be deformed upon, the material of extension plate 101 is metal, can
This mode is better adapted to, service life is long, be easy to repeated multiple times measurement.
Preferably, the material of extension plate 101 is aluminium.The modulus of elasticity of aluminium is relatively small, it is prone to deformation, therefore,
The length of extension plate 101 need not be very long, you can obtains required deflection, has saved cost.
Different according to the quality of testee, the deflection of required extension plate 101 is also different, can be surveyed according to actual
Amount situation chooses the material of suitable extension plate 101.
In another alternative of the embodiment, the other end of extension plate 101 passes through rivet and strain-ga(u)ge transducer 103
Connection.
For the certain situation of weighing precision, without being changed to strain-ga(u)ge transducer 103, by the another of extension plate 101
One end is connected by rivet with strain-ga(u)ge transducer 103, and strain-ga(u)ge transducer 103 can be made more to be securely fixed in extension plate
101 other end, enhances the stability of fixing device, improves accuracy of measurement.
In another alternative, one end of extension plate 101 is connected by the second fastening bolt 105 with fixed seat 102.
When the quality for being weighed object changes, it is necessary to weight when the requirement of especially symmetrical accuracy of measurement changes
The new length and/or thickness for calculating extension plate 101, one end of extension plate 101 passes through the second fastening bolt 105 and fixed seat 102
Connection, can easily change the extension plate 101 that disclosure satisfy that weighing precision requirement according to result of calculation.
In another alternative, in addition to height adjusting blocks 106, height adjusting blocks 106 pass through the second fastening bolt
105 are connected between extension plate 101 and fixed seat 102.
When larger deformation occurs for extension plate 101, the other end of extension plate 101 can be touched under fixed seat 102 in advance
Plane where surface, and can not continue occur due deformation, so as to cause measurement result inaccurate.By height adjusting blocks
106 are connected between extension plate 101 and fixed seat 102 by the second fastening bolt 105, and such mode can increase extension plate
101 the distance between with plane where the lower surface of fixed seat 102, so as to being that extension plate 101 provides and occurs larger shape
Space needed for becoming, it is ensured that the accuracy of measurement data.
In another alternative, the lower surface of fixed seat 102 is provided with skid resistant course 107.
The skid resistant course 107 that another alternative is used is existing anti-slip rubber.Set in the lower surface of fixed seat 102
Skid resistant course 107, can effectively prevent fixed seat 102 from sliding, so that whole fixing device is more stablized, will not correspond to
Become piece sensor 103 to interfere, make measurement result more accurate.
In another alternative, the material of extension plate 101 is metal.Generally, the rigidity of metal is than plastics or wooden
Rigidity it is strong, certain pressure can be born, when pressure is applied into strain-ga(u)ge transducer 103, strain-ga(u)ge transducer 103 is sent out
Raw deformation, the extension plate 101 being connected with strain-ga(u)ge transducer 103 can also be deformed upon, and the material of extension plate 101 is metal,
This mode can be better adapted to, service life is long, be easy to repeated multiple times measurement.
Preferably, the material of extension plate 101 is aluminium.The modulus of elasticity of aluminium is relatively small, it is prone to deformation, therefore,
The length of extension plate 101 need not be very long, you can obtains required deflection, has saved cost.
Different according to the quality of testee, the deflection of required extension plate 101 is also different, can be surveyed according to actual
Amount situation chooses the material of suitable extension plate 101.
It should be noted that in the alternative for the embodiment that the utility model is provided, the other end of extension plate 101 is with answering
Become the connected mode of piece sensor 103 and be not only limited to above two, situation selection can also be processed according to actual production other
Connected mode, the function to realize the other end that strain-ga(u)ge transducer 103 is fixed on to extension plate 101；For extension plate 101
Other connected mode the present embodiment of the other end and strain-ga(u)ge transducer 103 no longer specifically repeat one by one.
Embodiment two
The utility model embodiment two provides a kind of weighing device, is provided with answering for the offer of the utility model embodiment one
Become piece sensor fastening device, fixed seat 102 is fixedly connected with the bottom plate of weighing device.
Preferably, fixed seat 102 is fixedly connected with the bottom plate of weighing device by bolt with the bottom plate of weighing device.
The weighing device that embodiment two is provided is consolidated by installing the strain-ga(u)ge transducer that the utility model embodiment one is provided
Determine device, the object for the minimum division value that can be less than original ordinary electronic scale to quality is precisely weighed.
When object is placed on the scale pan of weighing device, pressure can be applied to strain-ga(u)ge transducer 103, foil gauge is sensed
Device 103 is deformed upon, so that impedance changes, while making driving voltage change, strain-ga(u)ge transducer 103 is produced therewith
Sheng Li-electrical effect, the simulation electricity with weighed object weight into certain functional relation (linear relationship) is converted into by the weight of object
Signal (curtage), so as to complete the process that external force is transformed to electric signal.
In summary, the strain-ga(u)ge transducer fixture structure that the utility model is provided is simple, by setting extension plate
101, strain-ga(u)ge transducer 103 is fixed on to the other end of extension plate 101, can be while deflection be amplified, it is ensured that strain
The nonoverload of piece sensor 103.In addition, the moment of flexure deflection of extension plate 101 can be calculated according to the knowledge of the mechanics of materials,
For the less resistance strain-gauge transducer of rated load, needed for being easy to calculate and meeting the deflection of weighing precision
The maximum gauge for the extension plate 101 wanted, so as to ensure extension plate 101 have it is relatively strong it is rigid under the premise of, reach accurate
The purpose weighed.
The utility model provide weighing device by install the utility model provide strain-ga(u)ge transducer fixing device,
The object for the minimum division value that original ordinary electronic scale can be less than to quality is precisely weighed.
Finally it should be noted that：Various embodiments above is only limited to illustrate the technical solution of the utility model, rather than to it
System；Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, or to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type.
Claims (10)
1. a kind of strain-ga(u)ge transducer fixing device, it is characterised in that：Including extension plate and fixed seat, one end of the extension plate
It is fixedly connected with the fixed seat, the other end of the extension plate is fixed with strain-ga(u)ge transducer, and the extension plate is located at institute
State between strain-ga(u)ge transducer and the fixed seat.
2. strain-ga(u)ge transducer fixing device according to claim 1, it is characterised in that：The other end of the extension plate with
The strain-ga(u)ge transducer is detachably connected.
3. strain-ga(u)ge transducer fixing device according to claim 2, it is characterised in that：The other end of the extension plate leads to
The first fastening bolt is crossed to be connected with the strain-ga(u)ge transducer.
4. strain-ga(u)ge transducer fixing device according to claim 1, it is characterised in that：The other end of the extension plate leads to
Rivet is crossed to be connected with the strain-ga(u)ge transducer.
5. strain-ga(u)ge transducer fixing device according to any one of claim 1 to 4, it is characterised in that：The extension
One end of plate is connected by the second fastening bolt with the fixed seat.
6. strain-ga(u)ge transducer fixing device according to claim 5, it is characterised in that：Also include height adjusting blocks, institute
Height adjusting blocks are stated to be connected between the extension plate and the fixed seat by second fastening bolt.
7. strain-ga(u)ge transducer fixing device according to any one of claim 1 to 4, it is characterised in that：The fixation
The lower surface of seat is provided with skid resistant course.
8. strain-ga(u)ge transducer fixing device according to any one of claim 1 to 4, it is characterised in that：The extension
The material of plate is metal.
9. strain-ga(u)ge transducer fixing device according to any one of claim 1 to 4, it is characterised in that：The extension
The material of plate is aluminium.
10. a kind of weighing device, it is characterised in that：It is solid including strain-ga(u)ge transducer as claimed in any one of claims 1-9 wherein
Determine device, the fixed seat is fixedly connected with the bottom plate of the weighing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621120238.9U CN206459725U (en) | 2016-10-13 | 2016-10-13 | Strain-ga(u)ge transducer fixing device and the weighing device using the fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621120238.9U CN206459725U (en) | 2016-10-13 | 2016-10-13 | Strain-ga(u)ge transducer fixing device and the weighing device using the fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206459725U true CN206459725U (en) | 2017-09-01 |
Family
ID=59692393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621120238.9U Expired - Fee Related CN206459725U (en) | 2016-10-13 | 2016-10-13 | Strain-ga(u)ge transducer fixing device and the weighing device using the fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206459725U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110554218A (en) * | 2019-08-12 | 2019-12-10 | 广州供电局有限公司 | Sensor fixing device |
-
2016
- 2016-10-13 CN CN201621120238.9U patent/CN206459725U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110554218A (en) * | 2019-08-12 | 2019-12-10 | 广州供电局有限公司 | Sensor fixing device |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170901 Termination date: 20181013 |