Sensor device capable of realizing stretching and pressing functions

Abstract

The utility model discloses a sensor device capable of realizing stretching and pressing functions, which comprises a rubber ring, a first groove is formed in the rubber ring, PDMS is arranged in the first groove, a graphene and carbon nanotube composite material is arranged in the PDMS, conductive silver paste is arranged on the outer wall of one side of the graphene and carbon nanotube composite material, and the conductive silver paste is arranged on the outer wall of the other side of the graphene and carbon nanotube composite material. A wire is arranged on the outer wall of one side of the conductive silver paste; according to the utility model, the rubber ring is worn to the elbow joint part, when the sensor is stretched and pressed, the internal graphene and carbon nanotube composite material deforms, and the deformation causes the change of a conductive channel in the composite material, that is, the deformation changes the contact area and the contact resistance between the conductive materials; and the electric signal is converted into a digital signal through the wire and the conversion chip, and the digital signal is displayed through the display, so that the stress condition of the elbow joint can be measured.

Description

TECHNICAL FIELD

[0001] The utility model relates to sensor technical field, especially a sensor device that can realize stretching and pressing function. BACKGROUND

[0002] Sensor is can feel the information of measured quantity, and can with the felt information according to certain rule change into electric signal or other required form's information output, to satisfy the detection device of information's transmission, processing, storage, display, record and control etc. Its working principle is based on various physical effects, chemical action or biological response, can convert these signals into electric signals or other processable forms, so as to realize the acquisition and transmission of information;But the existing sensor still has certain deficiency, the existing sensor is not suitable for stretching and compression measurement, therefore designing a kind of sensor device that can realize stretching and pressing function is very necessary. CONTENT OF UTILITY MODEL

[0003] The utility model aims at providing a sensor device that can realize stretching and pressing function, to solve the problem that the existing sensor is not suitable for stretching and compression measurement.

[0004] In order to solve the above technical problem, the utility model provides the following technical scheme: a sensor device that can realize stretching and pressing function, including rubber ring, the first recess is set up in the rubber ring, the first recess is provided with PDMS, the inside of PDMS is provided with graphene and carbon nanotube composite material, the outer wall of one side of graphene and carbon nanotube composite material is provided with conductive silver paste, the outer wall of one side of conductive silver paste is provided with wire.

[0005] As a further technical scheme of the utility model, the second recess is set up in the rubber ring, and the circuit board is fixedly connected in the second recess.

[0006] As a further technical scheme of the utility model, the battery is arranged in the second recess.

[0007] As a further technical scheme of the utility model, the through hole is arranged on the rubber ring, and the wire is arranged in the through hole, and the battery is fixedly connected on the wire.

[0008] As a further technical scheme of the utility model, the circuit board is fixedly connected to the battery, and the circuit board is fixedly connected to the inner wall of the rubber ring.

[0009] As a further technical scheme of the utility model, the display is fixedly connected to the rubber ring.

[0010] As a further technical scheme of the utility model, the conversion chip is fixedly connected to the circuit board.

[0011] The utility model provides a sensor device can realize stretching and pressing function, its advantage lies in: through the rubber ring is worn to the elbow joint part, when the sensor is received stretching and pressing, the deformation of the inside graphene and carbon nanotube composite material will happen, the deformation will lead to the conductive channel in the composite material change, that is, the deformation will change the contact area and contact resistance between the conductive material, thereby the resistance value of sensor is influenced, and then through the wire and conversion chip converts the electric signal into digital signal, shows through the display, thereby can realize the measurement elbow joint stress condition. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, below will to the drawing needed to use in the embodiment or prior art description simple introduction, obviously, the drawing in the following description is some embodiments of the utility model, for the ordinary skilled person in the art comes, under the premise of not paying creative labor, can also obtain other drawings according to these drawings.

[0013] Figure 1 It is the whole structure schematic diagram of the utility model;

[0014] Figure 2 It is the main view structure sectional view of the utility model;

[0015] Figure 3 It is the upper view structure schematic diagram of the utility model

[0016] Figure 4 It is the graphene and carbon nanotube composite material manufacturing process schematic diagram of the utility model;

[0017] Figure 5 It is the PDMS packaging process schematic diagram of the utility model;

[0018] Figure 6 It is the sensor work schematic diagram of the utility model;

[0019] Figure 7 It is the use process schematic diagram of the utility model.

[0020] In the drawing: 1, rubber ring;2, first recess;3, PDMS;4, graphene and carbon nanotube composite material;5, conductive silver paste;6, wire;7, battery;8, circuit board;9, conversion chip;10, second recess;11, display;12, through hole. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model below. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0022] Please refer to the drawings Figure 1 - the drawings Figure 7 The utility model provides an embodiment: a sensor device can realize stretching and pressing function, including rubber ring 1, first recess 2 is seted up in rubber ring 1, rubber ring 1 is used for wearing to elbow joint part, first recess 2 is used for placing sensor device, PDMS 3 is provided with in first recess 2, PDMS 3 is used for encapsulating graphene and carbon nanotube composite material 4, graphene and carbon nanotube composite material 4 are provided with in the inside of PDMS 3, graphene and carbon nanotube composite material 4 are used for changing sensor resistance, the outer wall of one side of graphene and carbon nanotube composite material 4 is provided with conductive silver paste 5, and conductive silver paste 5 is used for connecting sensor and wire 6;The outer wall of one side of conductive silver paste 5 is provided with wire 6, and wire 6 is used for connecting sensor and battery 7;Second recess 10 is seted up in rubber ring 1, and second recess 10 is used for installing electronic component;Circuit board 8 is fixedly connected in second recess 10, and circuit board 8 is used for connecting each electronic component;Conversion chip 9 is fixedly connected on circuit board 8, and conversion chip 9 is used for converting signal into data;Battery 7 is fixedly connected on circuit board 8, and battery 7 is used for power supply, and battery 7 is fixedly connected with wire 6;Display 11 is fixedly connected on rubber ring 1, and display 11 is used for showing elbow joint stress data;Through hole 12 is provided on rubber ring 1, and through hole 12 is used for installing wire 6.

[0023] Specifically, in use, first, by wearing rubber ring 1 to elbow joint part, when sensor is subjected to stretching and pressing, the graphene and carbon nanotube composite material 4 in the inside will be deformed based on this, this deformation will cause the conductive channel in the composite material to change, that is, the deformation will change the contact area and contact resistance between the conductive materials, thereby affecting the resistance value of the sensor, then the electric signal is converted into digital signal through wire 6 and conversion chip 9, and the elbow joint stress condition can be measured by display 11.

[0024] In the description of the utility model, it is necessary to explain that, unless there is definite stipulation and limitation, the term "mount", "link", "connect" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through intermediate medium, can be two elements inside the communication.For the ordinary skilled in the art, the above-mentioned terms can be understood in the specific meaning of the utility model according to the specific circumstances.

[0025] The device embodiments described above are only schematic, wherein the units described as separate components can or can not be physically separate, and the components displayed as units can or can not be physical units, that is, they can be located in one place, or distributed on multiple network units.

[0026] Finally, it should be noted that: the above examples are only used to illustrate the technical solutions of the utility model, and not to limit them;Although the utility model has been described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement for part of the technical features;And these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.

Claims

1. A sensor device capable of performing stretching and pressing functions, comprising a rubber ring (1), characterized in that: The rubber ring (1) has a first groove (2) inside, and PDMS (3) is provided inside the first groove (2). Graphene and carbon nanotube composite material (4) is provided inside the PDMS (3). Conductive silver paste (5) is provided on one side of the outer wall of the graphene and carbon nanotube composite material (4). Conductive wire (6) is provided on one side of the outer wall of the conductive silver paste (5).

2. The sensor device capable of performing stretching and pressing functions according to claim 1, characterized in that: The rubber ring (1) has a second groove (10) inside, and a circuit board (8) is fixedly connected inside the second groove (10).

3. A sensor device capable of performing stretching and pressing functions according to claim 2, characterized in that: A battery (7) is disposed in the second groove (10).

4. A sensor device capable of performing stretching and pressing functions according to claim 2, characterized in that: The rubber ring (1) is provided with a through hole (12), and a wire (6) is provided in the through hole (12), and a battery (7) is fixedly connected to the wire (6).

5. A sensor device capable of performing stretching and pressing functions according to claim 4, characterized in that: The battery (7) is fixedly connected to a circuit board (8), which is fixedly connected to the inner wall of the rubber ring (1).

6. A sensor device capable of performing stretching and pressing functions according to claim 4, characterized in that: A display (11) is fixedly connected to the rubber ring (1).

7. A sensor device capable of performing stretching and pressing functions according to claim 5, characterized in that: A conversion chip (9) is fixedly connected to the circuit board (8).

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