CN211395012U - Weighing sensor applied to inner barrel of washing machine - Google Patents
Weighing sensor applied to inner barrel of washing machine Download PDFInfo
- Publication number
- CN211395012U CN211395012U CN201922497052.5U CN201922497052U CN211395012U CN 211395012 U CN211395012 U CN 211395012U CN 201922497052 U CN201922497052 U CN 201922497052U CN 211395012 U CN211395012 U CN 211395012U
- Authority
- CN
- China
- Prior art keywords
- washing machine
- deformation
- elastic body
- groove
- elastomer
- 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.)
- Active
Links
Images
Landscapes
- Control Of Washing Machine And Dryer (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
Abstract
The application discloses be applied to weighing sensor of washing machine inner tube, it includes: the elastic body is of a triangular structure, the elastic body extends and is symmetrical from the bottom edge to the top angle direction to form two first grooves, a second groove which is of a concave structure and has an opening facing the bottom edge is formed in the middle of the elastic body, the second groove is not connected with the bottom edge of the elastic body, a deformation beam which can be elastically deformed under pressure is formed between the first groove and the second groove, and a first mounting hole for fixing the inner cylinder of the washing machine is formed between the two deformation beams; and the two electric strain gauges are respectively arranged on one deformation beam and are used for detecting the deformation amount of the deformation beam after the deformation beam is elastically deformed so as to detect the whole weight of the inner barrel of the washing machine. This application is through setting the elastomer to the triangle-shaped structure and forming the deformation roof beam between the first, the second recess at the elastomer, but washing machine inner tube's whole weight homodisperse has improved the anti overload capacity and the accuracy of weighing of sensor on whole elastomer.
Description
Technical Field
The utility model belongs to the technical field of the sensor, especially, relate to a be applied to weighing sensor of washing machine inner tube.
Background
The sensor is a detection device which can sense the measured information and convert the sensed information into an electric signal or other information in a required form according to a certain rule and output the electric signal or the information. Weighing sensor is one of them of sensor, mainly be used for detecting the weight of treating the article of weighing, weighing sensor generally includes the elastomer and sets up the resistance strain meter on the elastomer, when the elastomer pressurized takes place elastic deformation, thereby the deformation volume that the resistance strain meter can respond to the elastomer detects the weight of the object that awaits measuring, weighing sensor's application range is wide, can install on common article in the life, but present weighing sensor does not optimize its shape structure, the ubiquitous anti-overload capacity is poor, the accuracy of weighing is poor, be difficult for the installation, the short problem of life.
SUMMERY OF THE UTILITY MODEL
Objects of the invention
In order to overcome the defects, the utility model aims to provide a be applied to weighing sensor of washing machine inner tube to it is poor to solve the anti overload capacity of current weighing sensor, and the accuracy of weighing is poor, is difficult for installing, the technical problem of the short problem of life.
(II) technical scheme
In order to achieve the purpose, the technical scheme provided by the application is as follows:
a load cell for application to a washing machine drum, comprising:
the elastic body is of a triangular structure, the elastic body extends and is symmetrical from the bottom edge to the top angle direction to form two first grooves, the two first grooves are arranged in parallel with the central line of the elastic body, a second groove which is of a concave structure and is opened towards the bottom edge is arranged in the middle of the elastic body, the second groove is not connected with the bottom edge of the elastic body, a deformation beam which can be elastically deformed under pressure is formed between the first groove and the second groove, and a first mounting hole for fixing the inner cylinder of the washing machine is formed between the two deformation beams;
and the two electric strain gauges are respectively arranged on one deformation beam and are used for detecting the deformation amount of the deformation beam after the deformation beam is elastically deformed so as to detect the whole weight of the inner barrel of the washing machine.
Further, the elastomer is an equilateral triangle or an isosceles right triangle.
Further, the length of the deformation beam is 8-10mm, and the width of the deformation beam is 5-7 mm.
Furthermore, two bottom corners and top corners of the elastic body are respectively provided with a second mounting hole for fixing the elastic body to the outside.
Further, the thickness of the elastomer is 2.5-3.2 mm.
Furthermore, the groove width of the first groove and the second groove is 3-5 mm.
Further, the elastic body is a metal member.
Borrow by above technical scheme, the beneficial effect of this application lies in: be applied to weighing sensor of washing machine inner tube through set the elastomer to the triangle-shaped structure and at the first of elastomer, form the deformation roof beam between the second recess, after the washing machine inner tube is installed to the deformation roof beam, the whole weight of washing machine inner tube can disperse on whole elastomer, make the elastomer atress even, it is poor to have improved the anti overload capacity of elastomer, avoid the elastomer part to receive too big pressure and take place plastic deformation and influence the accuracy of weighing, can prolong the life of elastomer, simultaneously, the triangle-shaped structure is better with washing machine inner tube cooperation degree, be convenient for sensor's installation, can improve the efficiency of installation.
Drawings
FIG. 1 is a schematic structural view of a weighing sensor applied to an inner drum of a washing machine according to the present invention;
FIG. 2 is a top view of the load cell of the present invention applied to a washing machine inner drum;
figure 3 is a side view of the load cell of the present invention applied to a washing machine drum.
Reference numerals:
1: an elastomer; 101: a first groove; 102: a second groove; 103: a first mounting hole; 104: a second mounting hole; 105: a deformation beam; 2: an electrical set of strain gauges.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
Referring to fig. 1-3, the present invention provides a weighing sensor applied to an inner barrel of a washing machine, which includes:
the washing machine comprises an elastic body 1, wherein the elastic body 1 is of a triangular structure, two symmetrical first grooves 101 are formed in the elastic body 1 in a manner of extending from a bottom edge to a vertex angle, the two first grooves 101 are specifically arranged in parallel with the center line of the elastic body 1, a second groove 102 with an opening facing the bottom edge is formed in the middle position of the elastic body 1, the second groove 102 is of a concave structure, the second groove 102 is not connected with the bottom edge of the elastic body 1, specifically, a deformation beam 105 is formed between the first groove 102 and the second groove 102, the deformation beam 105 can elastically deform after being subjected to pressure, and a first mounting hole 103 for fixing the inner cylinder of the washing machine is formed between the two deformation beams 105;
the washing machine inner barrel comprises two electric group strain gauges 2, wherein each electric group strain gauge 2 is arranged on one deformation beam 105, and the electric group strain gauges 2 are used for detecting the deformation quantity of the deformation beams 105 after the deformation beams 105 are elastically deformed so as to detect the whole weight of the washing machine inner barrel.
The sensor is mainly installed at the bottom of the inner barrel in the intelligent washing machine and used for detecting the weight of the inner barrel of the washing machine after clothes are put into the inner barrel and transmitting a detection result outwards to display or send the detection result to intelligent equipment of a user. The elastomer 1 of the weighing sensor on the existing washing machine is of a long strip-shaped structure, the electric group strain gauges 2 are symmetrically arranged on the elastomer 1, the integral structure of the long strip-shaped elastomer 1 is poor in strength, the overload resistance is poor, plastic deformation is easy to occur after large pressure is applied, the weighing accuracy is reduced, the service life is short, the shape of the long strip-shaped elastomer 1 is not matched with that of the inner barrel of the washing machine, the installation is inconvenient, the elastomer 1 needs to be replaced after the plastic deformation, and the maintenance cost is high. The elastomer 1 of this application adopts the triangle-shaped structure, and it is first, form deformation roof beam 105 between second recess 102, install behind weighing sensor when the washing machine inner tube, the whole weight of washing machine inner tube can evenly distributed to each position of elastomer 1, can avoid deformation roof beam 105 atress too big emergence plastic deformation and damage, the anti overload capacity of elastic component has been increased, under the condition that deformation roof beam 105 is difficult to take place plastic deformation, weighing sensor's the degree of accuracy is promoted, life obtains the extension. Two deformation roof beams 105 of this application are interconnect, can further guarantee two structural strength who warp roof beams 105 like this, strengthen the bearing capacity who warp roof beam 105, and elastomer 1 can bear the weight of the heavier article, reinforcing anti overload capacity.
Specifically, be connected with the lead wire on the electricity group strainometer 2, the one end and the electricity of lead wire group strainometer 2 are connected, and the other end is connected with outside display module or communication module for on the signal transmission that detects electricity group strainometer 2 shows or sends the smart machine of user through communication module with the signal transmission to display module.
Specifically, elastomer 1 can set up to be equilateral triangle or isosceles right triangle, because equilateral triangle or isosceles right triangle structure have the symmetry for the atress is more even.
Specifically, the first mounting hole 103 is located on the symmetry axis between the two deformation beams 105, so that the weight of the washing machine inner cylinder mounted in the first mounting hole 103 can be uniformly dispersed to the whole elastic body 1, the stress on the elastic body 1 is uniform, and the elastic body 1 is prevented from being damaged due to overlarge local stress.
Preferably, the length of the deformation beam 105 should be ensured to be about 8-10mm, and the width should be ensured to be 5-7mm, so that the deformation beam 105 can be ensured to have stronger supporting force, and the deformation beam 105 is prevented from being subjected to overlarge stress and then being subjected to plastic deformation.
Specifically, second mounting hole 104 has been seted up respectively to two base angles and apex angle department of elastomer 1, and the effect of second mounting hole 104 is on fixing the mounting panel of washing machine with the elastomer, and is concrete, and mountings such as accessible screw are fixed, and this application sets up second mounting hole 104 respectively and can guarantee more stably that elastomer 1 installed in two base angles and apex angle department, avoids elastomer 1 to rock and leads to detecting the inaccuracy.
Preferably, the thickness d of the elastic body 1 is set to be 2.5-3.2mm, so that the elastic body 1 can have a strong supporting force.
After many tests, the groove widths of the first groove 101 and the second groove 102 are preferably 3-5mm, so that the overall structural strength of the elastic body 1 can be ensured.
Optionally, the elastic body 1 is a metal piece, and the metal piece has the characteristics of wear resistance and easiness in processing, so that the maintenance cost can be reduced, and the processing efficiency can be improved.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (8)
1. A weighing sensor applied to an inner barrel of a washing machine is characterized by comprising:
the elastic body is of a triangular structure, the elastic body extends from a bottom edge to a vertex angle direction to symmetrically form two first grooves, the two first grooves are arranged in parallel with the central line of the elastic body, a second groove which is of a concave structure and has an opening facing the bottom edge is arranged in the middle of the elastic body, the second groove is not connected with the bottom edge of the elastic body, a deformation beam which can be elastically deformed under pressure is formed between the first groove and the second groove, and a first mounting hole for fixing the inner cylinder of the washing machine is formed between the two deformation beams;
and the two electric strain gauges are respectively arranged on one deformation beam and used for detecting the deformation quantity of the deformation beam after the deformation beam is elastically deformed so as to detect the whole weight of the inner barrel of the washing machine.
2. The load cell for a washing machine drum according to claim 1, wherein the elastomer is an equilateral triangle or isosceles right triangle.
3. The load cell for a washing machine drum according to claim 2, wherein the first mounting hole is located on the symmetry axis of the two deformation beams.
4. The load cell applied to the inner drum of a washing machine as claimed in claim 3, wherein the deformation beam has a length of 8-10mm and a width of 5-7 mm.
5. The weighing sensor applied to the inner barrel of the washing machine as claimed in claim 4, wherein the two bottom corners and the top corners of the elastic body are respectively provided with a second mounting hole for fixing the elastic body to the outside.
6. A load cell for a washing machine drum according to claim 5 wherein the elastomer has a thickness of 2.5-3.2 mm.
7. The load cell for a washing machine drum according to claim 6, wherein the first and second grooves have a groove width of 3-5 mm.
8. A load cell for a washing machine drum according to any of claims 1 to 7 wherein the elastomer is a metal piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922497052.5U CN211395012U (en) | 2019-12-31 | 2019-12-31 | Weighing sensor applied to inner barrel of washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922497052.5U CN211395012U (en) | 2019-12-31 | 2019-12-31 | Weighing sensor applied to inner barrel of washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211395012U true CN211395012U (en) | 2020-09-01 |
Family
ID=72214782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922497052.5U Active CN211395012U (en) | 2019-12-31 | 2019-12-31 | Weighing sensor applied to inner barrel of washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211395012U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112146728A (en) * | 2020-10-26 | 2020-12-29 | 西安矽微电子科技有限公司 | Weighing sensor |
-
2019
- 2019-12-31 CN CN201922497052.5U patent/CN211395012U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112146728A (en) * | 2020-10-26 | 2020-12-29 | 西安矽微电子科技有限公司 | Weighing sensor |
| CN112146728B (en) * | 2020-10-26 | 2024-04-30 | 西安矽微电子科技有限公司 | Weighing sensor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211395012U (en) | Weighing sensor applied to inner barrel of washing machine | |
| CN105836569A (en) | Elevator weighing device | |
| CN202141428U (en) | Novel radial strain measuring apparatus | |
| CN211234648U (en) | T-shaped weighing sensor | |
| CN210981462U (en) | I-type weighing sensor | |
| CN211085429U (en) | Sensor applied to electronic scale | |
| CN209764240U (en) | Weighing sensor and dynamic truck scale | |
| CN210981461U (en) | High-precision weighing sensor applied to electronic scale | |
| CN211234649U (en) | Round weighing sensor | |
| CN213301541U (en) | Flange type tension sensor with overload protection | |
| CN211504474U (en) | Tension sensor device for icing monitoring | |
| CN208075995U (en) | A kind of plane beam type weighing sensor | |
| CN114577327A (en) | Bridge vibration monitoring devices based on electromagnetic conversion | |
| CN213239170U (en) | Sensing element, sensor and vibration monitoring device | |
| CN204115921U (en) | A kind of device for pressure measurement | |
| CN218511743U (en) | Bridge amount of deflection subsides detection device | |
| CN113049070A (en) | Force sensor | |
| CN206798327U (en) | A kind of base of dustbin and a kind of dustbin | |
| CN206470007U (en) | A kind of multidirectional force snesor | |
| CN103954335A (en) | Weighing sensor and container crane lifting appliance weighing lock pin based on lock pin body | |
| CN216348966U (en) | Feed bin's material level automatic checkout system | |
| CN219608100U (en) | On-line monitoring equipment for power transmission equipment | |
| CN215639876U (en) | Load sensor with stable use state | |
| CN104833406A (en) | Weighing sensor | |
| CN218239137U (en) | Single-axis force sensor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |