CN201051005Y - A weight sensor - Google Patents
A weight sensor Download PDFInfo
- Publication number
- CN201051005Y CN201051005Y CNU2006201545887U CN200620154588U CN201051005Y CN 201051005 Y CN201051005 Y CN 201051005Y CN U2006201545887 U CNU2006201545887 U CN U2006201545887U CN 200620154588 U CN200620154588 U CN 200620154588U CN 201051005 Y CN201051005 Y CN 201051005Y
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- CN
- China
- Prior art keywords
- elastic beam
- pedestal
- weight sensor
- supporting part
- foil gauge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Measurement Of Force In General (AREA)
Abstract
The utility model discloses a weight sensor, wherein an elastic beam is arranged on a seat body, a bearing part is connected on the elastic beam which is attached with a strain gauge, the exterior margin of the seat body is in a rectangular shape, and the elastic beam is positioned at the diagonal direction of the rectangular seat body. The utility model has the advantages of small material consumption, higher sensing precision of the sensor and small size of the entire body.
Description
Technical field
The utility model relates to a kind of induction installation, relates in particular to a kind of weight sensor.
Background technology
Along with development of electronic technology, what weight sensor was a large amount of is applied in weighing device such as the electronic scale, its principle is: when object is positioned on the electronic scale, the action of gravity of object is in sensor, flexure strip on the sensor is deformed, on the flexure strip of sensor, be pasted with foil gauge, foil gauge deforms, its resistance value of foil gauge distortion back will change, resistance value output with this variation, through contrasting the gravity that just can measure on the shell fragment that acts on weight sensor, existing weight sensor size is little, the electronic scale field that is applied to that cost is low and a large amount of.
A kind of like this weight sensor has appearred now: be provided with brace summer on the circular arc pedestal, by two riveting point riveted joints carrier bar is arranged on the brace summer, foil gauge is located on the brace summer, when an acting force acts on the carrier bar, brace summer can deform, bonding foil gauge thereon also deforms, and the resistance value on the foil gauge changes and exports.Structure similarly also has: the pedestal of sensor is square, is provided with brace summer at the midline position of this square pedestal, and prior art constructions all has its shortcoming:
In existing version, brace summer is all shorter, and on the pedestal of circular arc, the maximum length of brace summer is the diameter of this circular arc pedestal, and in the pedestal of rectangle, the maximum length of brace summer is the length of side of this square pedestal.Foil gauge is pasted on the brace summer, foil gauge is the weight of coming Measuring Object by the distortion of induction brace summer, and in the existing structure, the length of brace summer is too short, pressure that carrier bar bears can not accurately reflect on brace summer, and cause the induction precision of sensor to reduce, and to strengthen the length of brace summer, just have only the size that strengthens pedestal, this can make the cost of the rapidoprint of pedestal increase undoubtedly, simultaneously, sensor oversize is unfavorable for the needs of sensor design miniaturization.So, need a kind of economical with materials of design, induction precision height, weight sensor that overall dimensions is little.
Summary of the invention
Order of the present utility model have be to provide a kind of respond to consume the weight sensor that material is few, precision is high, size is little.
The utility model is achieved through the following technical solutions:
A kind of weight sensor, pedestal is provided with elastic beam, and supporting part is connected on the elastic beam, posts foil gauge on elastic beam, and the outer rim of described pedestal is a rectangle, and described elastic beam is along the diagonal of this rectangle pedestal.
Pedestal of the present utility model is a rectangle, and for the base structure of circle, it is few to add the waste material that produces man-hour, the stock utilization height; For rectangle pedestal of the prior art, elastic beam is along the diagonal of this rectangle pedestal, and on the rectangle pedestal of same size, the length of elastic beam can be longer, and like this, pressure that supporting part bears can reflect on elastic beam more accurately; This shows that the utility model economical with materials, induction precision height, overall dimensions are little.
Further improvement of the utility model is:
The outer rim of described pedestal is a square.Pedestal is a square, convenient processing, and the structure of elastic beam both sides can adopt symmetrical structure simultaneously.
Described elastic beam is strip, and the described elastic beam both sides of described pedestal are the pedestal wing plate, and two pedestal wing plates of described elastic beam one end and this are connected, and the other end is unsettled and be connected with described supporting part.The pressure branch that supporting part bore improves the intensity and the measuring stability of pedestal on the pedestal wing plate of both sides.
Described both sides pedestal wing plate is with respect to described diagonal line symmetry.Symmetrical structure can make left and right sides pressure that wing plate bears equate, further improves the stability of pedestal.
On described two pedestal wing plates, be equipped with mounting hole.Mounting hole is used for this pedestal is fixed.
Described supporting part is a strip, and this strip supporting part outer end is connected with described elastic beam free end, and the inner is positioned at the top of described elastic beam and unsettled.When sensor carried out sensing, the supporting part free end bore pressure, and produced a moment of torsion at elastic beam it is deformed, by the induction of the foil gauge on the elastic beam and export in the mode of electric signal.
The width of described supporting part is greater than the width of described elastic beam.This structure can improve the rigidity of supporting part, so that the pressure that supporting part bore reflects on elastic beam as much as possible, improves the precision of sensor.
Described foil gauge is located in the space between described supporting part free end and the described elastic beam.Foil gauge is located in this space and can be protected foil gauge, be damaged or influence the induction precision of foil gauge in order to avoid foil gauge is subjected to the influence of external force.
Free end upper surface at described supporting part is provided with the pressure-bearing point, and the horizontal level of this pressure-bearing point is positioned at described cornerwise mid point.In when induction, the pressure-bearing point bears pressure, and this pressure-bearing point is located at point midway, so that pressure-bearing point pressure acts on the pedestal uniformly, in order to avoid the induction precision that beat influences inductor takes place because of the pedestal discontinuity.
Described elastic beam is provided with diaphragm and described foil gauge is covered.Diaphragm can effectively be protected foil gauge, avoids the damage to foil gauge, in order to avoid influence induction precision.
To sum up, the utility model has the advantages that:
1, the structure of the utility model pedestal consume material few, make that induction precision improves, the inductor overall dimensions is little;
2, both sides pedestal wing plate symmetry makes pedestal more stable;
3, the width of supporting part is greater than the width of described elastic beam, to improve the rigidity of supporting part;
4, the pressure-bearing point is positioned at the line point midway at described diagonal angle, makes pressure-bearing point pressure act on the centre of pedestal;
5, diaphragm can be protected foil gauge.
Description of drawings
Fig. 1 is a structural drawing of the present utility model;
Fig. 2 is the side view of Fig. 1;
Fig. 3 is the structural drawing of pedestal;
Fig. 4 is the johning knot composition of pedestal and foil gauge;
Description of reference numerals:
1, pedestal, 2, elastic beam, 3, supporting part, 4, foil gauge, 5, mounting hole, 6, diaphragm, 7, the pedestal wing plate, 8, the pressure-bearing point.
Embodiment
A kind of weight sensor, the outer rim of pedestal 1 are square, are provided with elastic beam 2 on pedestal 1, and elastic beam 2 is strip, along the diagonal of this square pedestal 1; Elastic beam 2 both sides are pedestal wing plate 7, and the one end is connected with pedestal wing plate 7, and the other end is unsettled, are equipped with mounting hole 5 on the pedestal wing plate 7 of both sides.Supporting part 3 also is a strip, its width is greater than the width of elastic beam 2, these strip supporting part 3 outer ends are connected with elastic beam 2 free ends, the inner is positioned at the top of elastic beam 2 and unsettled, free end upper surface at supporting part 3 is provided with pressure-bearing point 8, and the horizontal level of pressure-bearing point 8 is positioned at the mid point of two mounting holes 5.
When measuring weight, pressure-bearing point 8 bears the weight of object under test, pressure-bearing put 8 stressed after, make elastic beam 2 produce distortion by supporting part 3, and the resistance of the foil gauge 4 on the elastic beam 2 is changed, can measure the weight of object under test by the resistance of measuring this foil gauge.
Pedestal of the present utility model is a square, and its elastic beam 2 two ends are positioned on foursquare wherein two diagonal angles, and it is few that the pedestal of this sensor consumes material, and the length of elastic beam 2 increases, and variation that can accurate induction pressure improves the induction precision of sensor; The overall dimensions of sensor is little.
Claims (10)
1. weight sensor, pedestal (1) is provided with elastic beam (2), supporting part (3) is connected on the elastic beam (2), on elastic beam (2), post foil gauge (4), it is characterized in that: the outer rim of described pedestal (1) is a rectangle, and described elastic beam (2) is along the diagonal setting of this rectangle pedestal (1).
2. weight sensor according to claim 1, it is characterized in that: the outer rim of described pedestal (1) is square.
3. as weight sensor as described in the claim 2, it is characterized in that: described elastic beam (2) is strip, described elastic beam (2) both sides of described pedestal (1) are pedestal wing plate (7), described elastic beam (2) one ends are connected with these two pedestal wing plates (7), and the other end is unsettled and be connected with described supporting part (3).
4. as weight sensor as described in the claim 3, it is characterized in that: described both sides pedestal wing plates (7) are with respect to described diagonal line symmetry.
5. as weight sensor as described in the claim 3, it is characterized in that: on described two pedestal wing plates (7), be equipped with mounting hole (5).
6. as weight sensor as described in the claim 3, it is characterized in that: described supporting part (3) is a strip, and this strip supporting part (3) outer end is connected with described elastic beam (2) free end, and the inner is positioned at the top of described elastic beam (2) and unsettled.
7. as weight sensor as described in the claim 6, it is characterized in that: the width of described supporting part (3) is greater than the width of described elastic beam (2).
8. as weight sensor as described in the claim 6, it is characterized in that: described foil gauge (4) is located in the space between described supporting part (3) free end and the described elastic beam (2).
9. as weight sensor as described in the claim 6, it is characterized in that: the free end upper surface at described supporting part (3) is provided with pressure-bearing point (8), and the horizontal level of this pressure-bearing point (8) is positioned at described cornerwise mid point.
10. as weight sensor as described in each in the claim 1 to 9, it is characterized in that: described elastic beam (2) is provided with diaphragm (6) and described foil gauge (4) is covered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201545887U CN201051005Y (en) | 2006-12-11 | 2006-12-11 | A weight sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201545887U CN201051005Y (en) | 2006-12-11 | 2006-12-11 | A weight sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201051005Y true CN201051005Y (en) | 2008-04-23 |
Family
ID=39337495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006201545887U Expired - Fee Related CN201051005Y (en) | 2006-12-11 | 2006-12-11 | A weight sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201051005Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105910379A (en) * | 2016-05-09 | 2016-08-31 | 海信（山东）冰箱有限公司 | Weighing device for refrigerator and weighing drawer |
| CN105953511A (en) * | 2016-05-04 | 2016-09-21 | 海信（山东）冰箱有限公司 | Refrigerator weighing device anti-interference structure and refrigerator |
| CN106017649A (en) * | 2016-01-20 | 2016-10-12 | 申俊 | Force measurement sensor |
| CN106197806A (en) * | 2016-07-28 | 2016-12-07 | 浙江理工大学 | The measurement apparatus of suture needle resistance during a kind of sewing machine high-speed sewing |
| CN108870471A (en) * | 2018-07-19 | 2018-11-23 | 上海纯米电子科技有限公司 | Weighing electromagnetic oven and its cooking methods |
-
2006
- 2006-12-11 CN CNU2006201545887U patent/CN201051005Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106017649A (en) * | 2016-01-20 | 2016-10-12 | 申俊 | Force measurement sensor |
| CN105953511A (en) * | 2016-05-04 | 2016-09-21 | 海信（山东）冰箱有限公司 | Refrigerator weighing device anti-interference structure and refrigerator |
| CN105953511B (en) * | 2016-05-04 | 2018-05-08 | 海信（山东）冰箱有限公司 | Refrigerator weighing device anti-interference structure and refrigerator |
| CN105910379A (en) * | 2016-05-09 | 2016-08-31 | 海信（山东）冰箱有限公司 | Weighing device for refrigerator and weighing drawer |
| CN105910379B (en) * | 2016-05-09 | 2018-07-27 | 海信（山东）冰箱有限公司 | A kind of weighing device and drawer of weighing for refrigerator |
| CN106197806A (en) * | 2016-07-28 | 2016-12-07 | 浙江理工大学 | The measurement apparatus of suture needle resistance during a kind of sewing machine high-speed sewing |
| CN108870471A (en) * | 2018-07-19 | 2018-11-23 | 上海纯米电子科技有限公司 | Weighing electromagnetic oven and its cooking methods |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Dongguan Hualanhai Electronics Co.,Ltd. Assignor: Wu Dechang Contract fulfillment period: 2008.10.12 to 2016.10.12 Contract record no.: 2008440000552 Denomination of utility model: Device for unidirectionally controlling automatic positioning through weight sensor Granted publication date: 20080423 License type: Exclusive license Record date: 20081222 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.10.12 TO 2016.10.12; CHANGE OF CONTRACT Name of requester: DONGGUAN CITY HUALANHAI ELECTRONICS CO., LTD. Effective date: 20081222 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080423 Termination date: 20131211 |