CN218885216U

CN218885216U - Flexible sensor based on piezoelectric material

Info

Publication number: CN218885216U
Application number: CN202223485079.0U
Authority: CN
Inventors: 王海侠; 刘来君
Original assignee: Outaixin Optic Electric Thchnology Suzhou Co ltd
Current assignee: Outaixin Optic Electric Thchnology Suzhou Co ltd
Priority date: 2022-12-22
Filing date: 2022-12-22
Publication date: 2023-04-18
Anticipated expiration: 2032-12-22

Abstract

The utility model discloses a flexible sensor based on piezoelectric material, including the shell body, the top upper surface of shell body has inlayed the display screen, the front side of shell body is provided with the switch, the left side of shell body is provided with first bandage, the right side of first bandage and the left side fixed connection of shell body, the left side end of first bandage is provided with the buckling piece, the right side of shell body is provided with the second bandage, the left end of second bandage and the right-hand member fixed connection of shell body, the right-hand member of second bandage is provided with the draw-in groove, the inside of draw-in groove is provided with the card needle, the inner chamber bottom of shell body is provided with ceramic fiber, the inner chamber left side wall of display screen is provided with the charging mouth, the charging mouth is located ceramic fiber's top and with ceramic fiber fixed connection, the right side fixed mounting of charging mouth has the battery, the inner chamber right side wall of display screen is provided with the piezoelectric block; this flexible sensor based on piezoelectric material has can improve the accurate measurement and exert the pressure size, advantage that can wear.

Description

Flexible sensor based on piezoelectric material

Technical Field

The utility model relates to a flexible sensor technical field specifically is a flexible sensor based on piezoelectric material.

Background

The flexible sensor is made of flexible materials, has good flexibility and ductility, can be freely bent or even folded, can be randomly arranged according to application scenes due to the flexible materials and structures, and can conveniently detect a unit to be measured.

At present, the existing flexible sensor has low measurement precision and is generally only used for measuring whether the pressure applied on the sensor changes, but cannot accurately measure the magnitude of the applied pressure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flexible sensor based on piezoelectric material has and can improve the accurate measurement and exert pressure size, and the problem among the prior art has been solved to the advantage that can wear.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a flexible sensor based on piezoelectric material, includes the shell body, the display screen has been inlayed to the top upper surface of shell body, the front side of shell body is provided with the switch, the left side of shell body is provided with first bandage, the right side of first bandage and the left side fixed connection of shell body, the left side end of first bandage is provided with the buckling piece, the right side of shell body is provided with the second bandage, the left end of second bandage and the right-hand member fixed connection of shell body, the right-hand member of second bandage is provided with the draw-in groove, the inside of draw-in groove is provided with the card needle, the inner chamber bottom of shell body is provided with ceramic fiber, the inner chamber left side wall of display screen is provided with the mouth that charges, the mouth that charges be located ceramic fiber's top and with ceramic fiber fixed connection, the right side fixed mounting of the mouth that charges has the battery, the inner chamber right side wall of display screen is provided with the piezoelectric block.

Preferably, the top of piezoelectric block is provided with first flexible film piece, the below of piezoelectric block is provided with the flexible film piece of second, the right side of piezoelectric block is provided with connecting portion, first flexible film piece passes through connecting portion and the flexible film piece fixed connection of second, the left side fixedly connected with lead wire portion of the flexible film piece of second, the left side of lead wire portion is provided with the electrically conductive inserted sheet, electrically conductive inserted sheet and battery electric connection.

Preferably, a first electrode is arranged below the first flexible thin film sheet, a second electrode is arranged above the second flexible thin film sheet, a first lead and a second lead are arranged above the lead portion, the first electrode is electrically connected with a first connecting wire, the first connecting wire is electrically connected with a second connecting wire, the second connecting wire is electrically connected with the first lead, and the second electrode is electrically connected with the second lead.

Preferably, the upper end of the piezoelectric block is closely attached to the first electrode, the lower end of the piezoelectric block is closely attached to the second electrode, and the first electrode and the second electrode are both covered with an insulating layer.

Preferably, the first electrode and the second electrode are both made of single-layer graphene or graphite, and the piezoelectric block is made of piezoelectric ceramic crystals.

Preferably, the first flexible thin film piece and the second flexible thin film piece have the same hardness as the piezoelectric block. The first bandage, the second bandage, the buckling piece and the clamping needle are all made of steel.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. this flexible sensor based on piezoelectric material is ceramic crystal through the material that sets up the piezoelectric block, can carry out accurate measurement to pressure size, and ceramic crystal's electric property is strong, the dielectric constant is high, can process into arbitrary shape, has good security and stability.

2. This flexible sensor based on piezoelectric material wears flexible sensor through setting up first bandage and second bandage, fixes first bandage and second bandage through buckling piece and card needle, prevents to lose, causes economic loss.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a flexible sensor based on piezoelectric material according to the present invention;

fig. 2 is a schematic front view of a flexible sensor based on piezoelectric material according to the present invention;

fig. 3 is a schematic view of the overall structure of the flexible sensor based on piezoelectric material according to the present invention;

fig. 4 is an exploded view of a flexible sensor based on piezoelectric material according to the present invention.

The figures are labeled as follows: 1. a shell body; 2. a switch; 3. a display screen; 4. a fastener; 5. clamping a needle; 6. a first strap; 7. a second strap; 8. a first flexible film sheet; 9. a connecting portion; 10. a second flexible film sheet; 11. a lead part; 12. a first electrode; 13. a second electrode; 14. a first lead; 15. a second lead; 16. a first connecting line; 17. a piezoelectric block; 18. a conductive insert; 19. an insulating layer; 20. a card slot; 21. a battery; 22. a charging port; 23. ceramic fibers; 24. and a second connecting line.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example 1:

please refer to fig. 1, 2, 3, 4, a flexible sensor based on piezoelectric material, including a housing 1, a display screen 3 is embedded on the top surface of the housing 1, a switch 2 is disposed on the front side of the housing 1, a first bandage 6 is disposed on the left side of the housing 1, the right side of the first bandage 6 is fixedly connected to the left side of the housing 1, a fastening member 4 is disposed at the left side end of the first bandage 6, a second bandage 7 is disposed on the right side of the housing 1, the left end of the second bandage 7 is fixedly connected to the right end of the housing 1, a clamping groove 20 is disposed at the right end of the second bandage 7, a fastening pin 5 is disposed inside the clamping groove 20, a ceramic fiber 23 is disposed at the bottom of an inner cavity of the housing 1, a charging port 22 is disposed above the ceramic fiber 23, the charging port 22 is fixedly connected to the right side of the charging port 22, a battery 21 is fixedly disposed on the right side of the inner cavity of the display screen 3, the flexible sensor is worn by disposing the first bandage 6 and the second bandage 7, the fastening member 4 and the fastening pin 5 are fixed to prevent the second bandage from being lost, and the second bandage 7 are lost, and the economic fastening pin is prevented from being lost.

A first flexible thin film sheet 8 is arranged above the piezoelectric block 17, a second flexible thin film sheet 10 is arranged below the piezoelectric block 17, a connecting portion 9 is arranged on the right side of the piezoelectric block 17, the first flexible thin film sheet 8 is fixedly connected with the second flexible thin film sheet 10 through the connecting portion 9, a lead portion 11 is fixedly connected to the left side of the second flexible thin film sheet 10, a conductive insertion sheet 18 is arranged on the left side of the lead portion 11, the conductive insertion sheet 18 is electrically connected with a battery 21, a first electrode 12 is arranged below the first flexible thin film sheet 8, a second electrode 13 is arranged above the second flexible thin film sheet 10, a first lead 14 and a second lead 15 are arranged above the lead portion 11, the first electrode 12 is electrically connected with a first connecting wire 16, the first connecting wire 16 is electrically connected with a second connecting wire 24, the second connecting wire 24 is electrically connected with the first lead 14, the second electrode 13 is electrically connected with the second lead 15, the upper end of the piezoelectric block 17 is tightly attached to the first electrode 12, the lower end of the piezoelectric block 17 is tightly attached to the second electrode 13, the first electrode 12 and the second electrode 13 are made of a flexible thin film sheet, the same material as that the piezoelectric block 17, and the piezoelectric block 17 is made of a graphene crystal, and the flexible thin film sheet, and the piezoelectric block is made of a single graphene. First bandage 6, second bandage 7, buckling piece 4 are the steel material with card needle 5, are ceramic crystal through the material that sets up piezoelectric block 17, can carry out accurate measurement to pressure size, and ceramic crystal's electric property is strong, the dielectric constant is high, can process into arbitrary shape, has good security and stability.

The working principle is as follows: the utility model relates to a flexible sensor based on piezoelectric material through first bandage 6, second bandage 7, buckling piece 4 and card needle 5, wears and fixes the device, through switch 2, display screen 3 work during control battery 21, will pass to flexible sensor to the produced pressure of 3 touches of display screen, and piezoelectric block 17 is passed to pressure with pressure to first flexible film piece 8, and through the change of pressure, the electric capacity between the piezoelectric block 17 changes, measures the pressure size.

Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.

Claims

1. A flexible sensor based on piezoelectric material, comprising a housing (1), characterized in that: display screen (3) have been inlayed to the top upper surface of casing body (1), the front side of casing body (1) is provided with switch (2), the left side of casing body (1) is provided with first bandage (6), the right side of first bandage (6) and the left side fixed connection of casing body (1), the left side end of first bandage (6) is provided with buckling piece (4), the right side of casing body (1) is provided with second bandage (7), the left end of second bandage (7) and the right-hand member fixed connection of casing body (1), the right-hand member of second bandage (7) is provided with draw-in groove (20), the inside of draw-in groove (20) is provided with card needle (5), the inner chamber bottom of casing body (1) is provided with ceramic fiber (23), the left side wall of display screen (3) is provided with the mouth (22) that charges, the mouth (22) that charges is located the top of ceramic fiber (23) and with ceramic fiber (23) fixed connection, the right side fixed mounting of the mouth (22) has battery (21), the inner chamber (3) of the display screen (17) is provided with the piezoelectric block.

2. A piezoelectric material based flexible sensor as claimed in claim 1, wherein: the top of piezoelectric block (17) is provided with first flexible film piece (8), the below of piezoelectric block (17) is provided with flexible film piece (10) of second, the right side of piezoelectric block (17) is provided with connecting portion (9), first flexible film piece (8) are through connecting portion (9) and flexible film piece (10) fixed connection of second, the left side fixedly connected with lead portion (11) of flexible film piece (10) of second, the left side of lead portion (11) is provided with electrically conductive inserted sheet (18), electrically conductive inserted sheet (18) and battery (21) electric connection.

3. A flexible sensor based on piezoelectric material, according to claim 2, wherein: the flexible thin film packaging structure is characterized in that a first electrode (12) is arranged below the first flexible thin film piece (8), a second electrode (13) is arranged above the second flexible thin film piece (10), a first lead (14) and a second lead (15) are arranged above the lead portion (11), the first electrode (12) is electrically connected with a first connecting wire (16), the first connecting wire (16) is electrically connected with a second connecting wire (24), the second connecting wire (24) is electrically connected with the first lead (14), and the second electrode (13) is electrically connected with the second lead (15).

4. A piezoelectric material based flexible sensor as claimed in claim 1, wherein: the upper end of the piezoelectric block (17) is tightly attached to the first electrode (12), the lower end of the piezoelectric block (17) is tightly attached to the second electrode (13), and the first electrode (12) and the second electrode (13) are both covered with an insulating layer (19).

5. A piezoelectric material based flexible sensor as claimed in claim 3, wherein: the first electrode (12) and the second electrode (13) are both made of single-layer graphene or graphite, and the piezoelectric block (17) is made of piezoelectric ceramic crystals.

6. A piezoelectric material based flexible sensor as claimed in claim 2, wherein: the hardness of the first flexible thin film sheet (8) and the second flexible thin film sheet (10) is consistent with that of the piezoelectric block (17), and the first binding band (6), the second binding band (7), the buckling piece (4) and the clamping needle (5) are all made of steel.