CN2687633Y - Balance with suspension weighing sensor - Google Patents
Balance with suspension weighing sensor Download PDFInfo
- Publication number
- CN2687633Y CN2687633Y CN 200420015436 CN200420015436U CN2687633Y CN 2687633 Y CN2687633 Y CN 2687633Y CN 200420015436 CN200420015436 CN 200420015436 CN 200420015436 U CN200420015436 U CN 200420015436U CN 2687633 Y CN2687633 Y CN 2687633Y
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- suspension
- balance
- test beam
- utility
- model
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Abstract
The utility model relates to the balance appliance, in particular to a balance with suspension weighing sensors. The balance with suspension weighing sensors is characterized in that at least one suspension weighing sensor 7 is arranged below a bearing face 8; the whole of the sensor 7 is in stereo type inverse suspension beam frame bearing structure, the profile is a metal supporting plate 1 with flat plate full encirclement shape like a Chinese character 'ri' or half encirclement 'M' shape. The middle part of the metal supporting plate 1 is provided with a T'-shaped test beam 2; the two sides of the middle part of the test beam 2 at least is provided with one symmetrical semicircular arc groove 3, the middle part of the test beam 2 is also fixedly provided with a resistance strain meter 5, and the free end of the test beam 2 is also provided with a mounting hole 4 which is rivetedly connected with a force transferring beam 6. The utility model is a balance with suspension weighing sensors which has small size, low height, revised non-linear lagging index and high detecting precision.
Description
Technical field
The utility model relates to weighing-appliance, particularly has the scale of one or more LOAD CELLS, is particularly useful for weighing scale.
Background technology
Scale of the prior art comprises the scale that is used to claim human body weight, mainly is meant the LOAD CELLS that is used to respond to weight change, and two kinds of structures are generally arranged; A kind of is the metal plain block that is rectangular parallelepiped by, the scale of this structure is only installed a described sensor usually, when transmitting weight change, mainly be as transmission rod by combined type blade, knife rest, thereby described sensor experiences basically is bending force, and as scale, tested weight can not always be placed on the center, the load of off-center point can cause described sensor to bear corresponding torque, influences the accuracy of measured value; Another kind is surface and base that is used for supported weight that is used to bear tested weight by, and a sensor formation that is used to respond to weight change; Mainly be the sphere of movements for the elephants type force-bearing piece that a kind of sheet metal is made, it comprises that the surface is provided with shaft-like test body and a rectangular support frame of strain ga(u)ge.Framework is mainly used in the balance that keeps the scale body.Because among this embodiment, described shaft-like test body is a uniform strain beam, is not provided with the stress isolation band, thereby does not have area of stress concentration accurately, thereby the non-linear and lag error that has influence on sensor is bigger, and degree of accuracy is not high, makes more loaded down with trivial details.
Summary of the invention
The purpose of this utility model is intended to overcome the deficiencies in the prior art, and provides little, highly low, the non-linear and lagging indicator of a kind of volume can revise the scale with suspension-type LOAD CELLS that accuracy of detection is high.
The purpose of this utility model is to be achieved by following technical scheme:
A kind of scale with suspension-type LOAD CELLS, comprise loading end 8, electronics shows 10, also be included in loading end a suspension-type LOAD CELLS 7 is set for 8 times at least, the integral body of sensor 7 is three-dimensional reversed beam suspension load-carrying construction, its profile is dull and stereotyped full metal profile 1 of surrounding " day " font or semi-surrounding " M " type, middle part in metal profile 1 is provided with " T " font test beam 2, the both sides, middle part of test beam 2 are provided with the semi-circular arc groove 3 of a symmetry at least, test beam 2 middle parts also are installed with strain ga(u)ge 5, and the free end of test beam 2 also is provided with mounting hole 4 and transfer beam 6 riveted joints.
In the specific embodiment of the present utility model, metal profile is " day " font, central part at sheet metal is provided with the "T"-shaped beam that one one end is connected with sheet metal, the other end of described beam and sheet metal disconnect, be free state, be provided with a plurality of semi-circular arc grooves at the middle part of beam dual-side, be used to improve technical indicator of the present utility model; Described strain ga(u)ge is installed in the area of stress concentration of "T"-shaped beam by the corresponding relation symmetry.Another free end symmetry of "T"-shaped beam be provided with mounting hole, bearing plate is by mounting hole and sheet metal riveted joint.Form reversed beam supporting.
In another preferred embodiment of the present utility model, metal profile is " M " type, and the sheet metal openings at one side is the semi-surrounding structure.Central part at sheet metal is provided with the "T"-shaped beam that one one end is connected with sheet metal along axis direction, the other end of described beam and sheet metal disconnect, be free state, at described another free end of "T"-shaped beam, bearing plate is connected with beam by two mounting holes.Form a reversed beam supporting structure.
On the basis of adopting abovementioned technology, further improvement is: one-piece construction is three-dimensional reversed beam suspension bearing structure, is provided with " T " font bearing beam at the center of sheet metal, and the middle part dual-side of beam is provided with the semi-circular arc groove of a plurality of symmetries; Be used to improve the degree of accuracy of sensor;
The beneficial effect of implementing this programme is: a kind of compact conformation is provided, makes simply the suspension-type LOAD CELLS that reliability is high.Owing to adopted " day " font structure, made sensor under any state, all can keep the mechanical equilibrium state.Be provided with a plurality of semi-circular arc grooves at the bearing beam dual-side, make the strain ga(u)ge that sets firmly on the bearing beam experience the STRESS VARIATION of comparatively concentrating.Be of value to the non-linear and lagging indicator that reduces sensor, thereby further improved the degree of accuracy of scale.
Description of drawings
Fig. 1 is the outside drawing of a kind of concrete structure of the utility model suspension-type LOAD CELLS;
Fig. 2 is the outside drawing of the another kind of concrete structure of the utility model suspension-type LOAD CELLS;
Fig. 3, Fig. 4 are the assembling plan view and the side view corresponding to Fig. 1, Fig. 2 two embodiment of the utility model suspension-type LOAD CELLS;
Fig. 5 is the stereographic map of a kind of concrete structure of the utility model.
In Fig. 1～Fig. 5: 1 is metal profile, and 2 is "T"-shaped beam, and 3 is the arc groove, and 4 is mounting hole, and 5 is strain ga(u)ge, and 6 is reversed beam, and 7 is the suspension-type LOAD CELLS, and 8 is loading end, and 9 are load, and 10 for electronics shows that 11 is lead, and F is an acting force.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described.
With reference to Fig. 1～Fig. 5: the utility model relates to a scale with one or more suspension-type LOAD CELLS, also can relate to a kind of LOAD CELLS that scale is used that is suitable for, in two embodiment illustrated in figures 1 and 2, the matrix of sensor 7 is stamped to form by a metal plate, back up pad 1, "T"-shaped beam 2, arc groove 3, strain ga(u)ge 5, sheet metal is made " day " font or " M " font, the remainder hollow out, central part in back up pad 1 is provided with the "T"-shaped beam 2 that one one end is connected with back up pad along the axis, the other end of described beam and back up pad 1 disconnect, be free state, at a plurality of semi-circular arc grooves 3 of being provided with of the middle part of described beam dual-side symmetry, be used to revise technical parameter of the present utility model.Described strain ga(u)ge 5 is installed in the area of stress concentration of "T"-shaped beam 2 by the corresponding relation symmetry, and forms Wheatstone bridge by certain corresponding relation, the other end symmetry that "T"-shaped beam 2 and back up pad 1 disconnect be provided with mounting hole 4, be used to connect the scale body.Another embodiment of the present utility model rivets bearing plate on "T"-shaped beam free end mounting hole.Purpose is to change the pressure-bearing mode of described sensor, is more conducive to improve the degree of accuracy of scale.The technical scheme of described scale is achieved in that as Fig. 3, Fig. 4, shown in Figure 5 reversed beam 6 is connected with "T"-shaped beam 2 by rivet.When the loading end 8 of scale has load 9 to do the time spent, the "T"-shaped beam 2 stressed effects of described LOAD CELLS 7 produce deformation, be reacted into the variation of bridge voltage by strain ga(u)ge 5, the stressed effect of four described sensors that act on scale body output voltage simultaneously changes and passes to the electronics circuit, demonstrates the weight of load 9.
Claims (1)
1. scale with suspension-type LOAD CELLS, comprise loading end (8), electronics shows (10), it is characterized in that under loading end (8), being provided with at least a suspension-type LOAD CELLS (7), the integral body of sensor (7) is three-dimensional reversed beam suspension load-carrying construction, its profile is dull and stereotyped full metal profile (1) of surrounding " day " font or semi-surrounding " M " type, be provided with " T " font test beam (2) at the middle part of metal profile (1), the both sides, middle part of test beam (2) are provided with the semi-circular arc groove (3) of a symmetry at least, test beam (2) middle part also is installed with strain ga(u)ge (5), and the free end of test beam (2) also is provided with mounting hole (4) and transfer beam (6) riveted joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420015436 CN2687633Y (en) | 2004-02-12 | 2004-02-12 | Balance with suspension weighing sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420015436 CN2687633Y (en) | 2004-02-12 | 2004-02-12 | Balance with suspension weighing sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2687633Y true CN2687633Y (en) | 2005-03-23 |
Family
ID=34668738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420015436 Expired - Fee Related CN2687633Y (en) | 2004-02-12 | 2004-02-12 | Balance with suspension weighing sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2687633Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104931121A (en) * | 2015-06-10 | 2015-09-23 | 合肥通用机械研究院 | Sensor weighing module |
-
2004
- 2004-02-12 CN CN 200420015436 patent/CN2687633Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104931121A (en) * | 2015-06-10 | 2015-09-23 | 合肥通用机械研究院 | Sensor weighing module |
| CN104931121B (en) * | 2015-06-10 | 2018-03-02 | 合肥通用机械研究院有限公司 | A kind of sensor Weighing module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |