CN216284030U

CN216284030U - Contact and stress sensing device based on elastic shading material

Info

Publication number: CN216284030U
Application number: CN202122897109.8U
Authority: CN
Inventors: 郝树涛; 刘斌; 王丽
Original assignee: Xinbaite Technology Beijing Co ltd
Current assignee: Xinbaite Technology Beijing Co ltd
Priority date: 2021-11-24
Filing date: 2021-11-24
Publication date: 2022-04-12
Anticipated expiration: 2031-11-24

Abstract

The utility model relates to a contact and stress sensing device based on an elastic shading material, belonging to the technical field of sensors. According to the utility model, by utilizing the characteristic that the transmittance of the elastic shading sponge changes after being deformed by an external force, the shading sponge is placed in a light path between a light source emitter and a photosensitive device, the photosensitive device is controlled to collect the light intensity measured by the photosensitive material in real time, and after the waterproof dustproof rubber pad is extruded by the external force, the shading sponge deforms, so that the light intensity received by the photosensitive device changes, and the change of the light intensity is related to the deformation of the elastic shading material shading sponge, thereby detecting the deformation and stress of the shading sponge.

Description

Contact and stress sensing device based on elastic shading material

Technical Field

The utility model relates to the technical field of sensors, in particular to a contact and stress sensing device based on an elastic shading material.

Background

Force sensors are devices that convert the magnitude of a force into an associated electrical signal. Forces are the direct cause of the change in motion of the material. The force sensor can detect mechanical quantities such as tension, pressure, weight, torque, internal stress and strain. The specific devices comprise metal strain gauges, pressure sensors and the like, and become indispensable core components in power equipment, engineering machinery, various machine tools and industrial automation systems.

The existing stress sensor is difficult to simultaneously detect the deformation, displacement and force when multiple points are stressed, has single sensing signal and is not suitable for the touch sensing, collision detection and the like of the existing multipoint man-machine interaction (such as a game handle or a button and a keyboard) and machine equipment.

SUMMERY OF THE UTILITY MODEL

The utility model provides a contact and stress sensing device based on an elastic shading material, which solves the problem that the existing stress sensor is difficult to simultaneously detect the deformation, displacement and force of a plurality of points under stress.

The scheme for solving the technical problems is as follows: the utility model provides a contact and atress perception device based on elasticity shading material, is including settling the case, the perception hole has been seted up at the top of settling the case, the inner wall sliding connection in perception hole has waterproof dustproof cushion, the top of settling the case is close to right side edge through connection and has the controller, the top through connection of controller has the output circuit interface, waterproof dustproof cushion bottom fixedly connected with shading sponge, the inner wall top fixed mounting who settles the case has the base plate, the top of base plate is close to left side edge fixed mounting and has light source emitter, the top of base plate is close to right side edge fixed mounting and has the sensitization device, the equal electric connection in bottom of light source emitter and sensitization device has detection circuit board, settle the bottom fixedly connected with closure plate of case.

On the basis of the technical scheme, the utility model can be further improved as follows.

Further, the shading sponge is adhered to the top of the substrate and covers the light source emitter and the photosensitive device.

Furthermore, the bottom of the base plate is provided with a connecting hole matched with the light source emitter and the photosensitive device, and the inner wall of the connecting hole is fixedly connected with the inner wall of the placing box.

Furthermore, the outer wall of the waterproof and dustproof rubber mat is provided with a clamping groove matched with the sensing hole.

Furthermore, the top of the placement box is provided with a mounting hole matched with the controller, and the inner wall of the mounting hole is fixedly connected with the controller.

Furthermore, the detection circuit board is electrically connected with the controller through a lead.

Further, the light transmittance of the light-shielding sponge is uniformly reduced after the light-shielding sponge is extruded.

The utility model provides a contact and stress sensing device based on an elastic shading material, which has the following advantages:

utilize elasticity shading sponge after receiving external force to take place deformation, the characteristic that the transmissivity of focusing changes, place the shading sponge in the light path between light source transmitter and photosensitive device, and control photosensitive device gathers the light intensity that photosensitive material measured in real time, after waterproof dustproof cushion received external force extrusion, the shading sponge takes place to warp, make the light intensity that photosensitive device received change, the change of light intensity is relevant with the deformation of elasticity shading material shading sponge, thereby detect out the deformation and the atress of shading sponge, when making the array to above perception unit, the controller alright detect the light source signal when multiple point atress through the detection circuit board, thereby calculate the deformation of object on whole atress perception equipment, displacement direction and power.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings. The detailed description of the present invention is given in detail by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model without limiting the utility model. In the drawings:

fig. 1 is a three-dimensional effect diagram of a contact and force sensing device based on an elastic shading material according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an unstressed state of a contact and stress sensing device based on an elastic shading material according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a force state of a contact and force sensing device based on an elastic light-shielding material according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a contact and force sensing device based on an elastic light shielding material according to an embodiment of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a placement box; 2. a sensing aperture; 3. waterproof and dustproof rubber mats; 4. a controller; 5. an output circuit interface; 6. a light-shielding sponge; 7. a substrate; 8. a light source emitter; 9. a light sensing device; 10. detecting the circuit board; 11. a plugging plate.

Detailed Description

The principles and features of the present invention are described below in conjunction with the accompanying fig. 1-4, which are provided by way of example only to illustrate the present invention and not to limit the scope of the present invention. The utility model is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1-4, a contact and atress perception device based on elasticity shading material, including settling case 1, perception hole 2 has been seted up at the top of settling case 1, the inner wall sliding connection in perception hole 2 has waterproof dustproof cushion 3, the top of settling case 1 is close to right side edge through connection and has controller 4, the top through connection of controller 4 has output circuit interface 5, waterproof dustproof cushion 3 bottom fixedly connected with shading sponge 6, the inner wall top fixed mounting who settles case 1 has base plate 7, the top of base plate 7 is close to left side edge fixed mounting has light source emitter 8, the top of base plate 7 is close to right side edge fixed mounting and has sensitization device 9, the equal electric connection in bottom of light source emitter 8 and sensitization device 9 has detection circuitry board 10, settle the bottom fixedly connected with shutoff board 11 of case 1.

Preferably, a light shielding sponge 6 is adhered to the top of the substrate 7 and covers the light source emitter 8 and the photo detector 9.

Preferably, the bottom of the substrate 7 is provided with a connecting hole matched with the light source emitter 8 and the photosensitive device 9, and the inner wall of the connecting hole is fixedly connected with the inner wall of the placing box 1.

Preferably, the outer wall of the waterproof and dustproof rubber mat 3 is provided with a clamping groove matched with the sensing hole 2.

Preferably, the top of the placing box 1 is provided with a mounting hole matched with the controller 4, and the inner wall of the mounting hole is fixedly connected with the controller 4.

Preferably, the detection circuit board 10 is electrically connected to the controller 4 through a wire.

Preferably, the light-shielding sponge 6 is uniformly reduced in light transmittance after being pressed.

The specific working principle and the using method of the utility model are as follows: utilize elasticity shading sponge 6 to take place the deformation after receiving external force, the characteristic that the transmissivity of light changes, place shading sponge 6 in the light path between light source transmitter 8 and photosensitive device 9, and control photosensitive device 9 gather the light intensity that photosensitive material measured in real time, after waterproof dustproof cushion 3 receives external force extrusion, shading sponge 6 takes place to warp, make the light intensity that photosensitive device 9 received change, the change of light intensity is relevant with the deformation of elasticity shading material shading sponge 6, thereby detect out the deformation and the atress of shading sponge 6, shading sponge 6 can automatic re-setting when not atress, when making whole row to above perception unit, controller 4 alright through the light source signal when detecting circuit board 10 detects multiple point atress, thereby calculate deformation, displacement direction and the power of object on whole atress perception equipment.

The foregoing is merely a preferred embodiment of the utility model and is not intended to limit the utility model in any manner; the present invention may be readily implemented by those of ordinary skill in the art as illustrated in the accompanying drawings and described above; however, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the scope of the utility model as defined by the appended claims; meanwhile, any changes, modifications, and evolutions of the equivalent changes of the above embodiments according to the actual techniques of the present invention are still within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a contact and atress perception device based on elasticity shading material, is including settling case (1), its characterized in that: the top of the placing box (1) is provided with a sensing hole (2), the inner wall of the sensing hole (2) is connected with a waterproof and dustproof rubber cushion (3) in a sliding way, the top of the placing box (1) is connected with a controller (4) through the right edge, the top of the controller (4) is connected with an output circuit interface (5) in a penetrating way, the bottom of the waterproof and dustproof rubber cushion (3) is fixedly connected with a shading sponge (6), a base plate (7) is fixedly arranged at the top of the inner wall of the placing box (1), a light source emitter (8) is fixedly arranged at the top of the base plate (7) close to the left edge, the top of the base plate (7) is fixedly provided with a photosensitive device (9) close to the right side edge, the bottom of light source emitter (8) and sensitization device (9) all electric connection have detection circuitry board (10), the bottom fixedly connected with shutoff board (11) of arrangement case (1).

2. A contact and force sensing device based on elastic shading material as claimed in claim 1, characterized in that the shading sponge (6) is bonded to the top of the base plate (7) and covers the light source emitter (8) and the photosensitive device (9).

3. The contact and stress sensing device based on the elastic shading material as claimed in claim 1, wherein the bottom of the substrate (7) is provided with a connecting hole matched with the light source emitter (8) and the photosensitive device (9), and the inner wall of the connecting hole is fixedly connected with the inner wall of the accommodating box (1).

4. The contact and stress sensing device based on the elastic shading material as claimed in claim 1, wherein the outer wall of the waterproof and dustproof rubber mat (3) is provided with a clamping groove matched with the sensing hole (2).

5. The contact and stress sensing device based on the elastic shading material as claimed in claim 1, wherein the top of the placing box (1) is provided with a mounting hole matched with the controller (4), and the inner wall of the mounting hole is fixedly connected with the controller (4).

6. The contact and force sensing device based on the elastic shading material as claimed in claim 1, wherein the detection circuit board (10) is electrically connected with the controller (4) through a conducting wire.

7. The contact and force sensing device based on the elastic shading material as claimed in claim 1, wherein the light transmittance of the shading sponge (6) is uniformly reduced after being squeezed.