Pressure pad and intelligent seat
By employing an interlaced flexible sensing pad and conductive wire assembly winding connection method within the pressure pad, the problem of easy breakage at the connection between the control board and the sensing pad layer is solved, achieving stronger connection stability and signal transmission reliability.
Patent Information
- Application Number
- CN202422495349.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-15
- Publication Date
- 2025-11-04
- Estimated Expiration
- 2034-10-15
AI Technical Summary
In the existing technology, the connection between the control board and the sensing pad is prone to poor contact and insufficient connection strength, which makes the connection easy to break during the use of the pressure pad.
The system employs an interlaced arrangement of flexible sensing pads and a winding connection method for conductive wire assemblies, including the interlaced weaving of first and second elastic wires with conductive wires to form multiple sensing points, and enhances the connection strength through wiring terminals or a cross double helix connection method.
The connection strength between the controller and the flexible sensing pad is improved, preventing breakage caused by external forces or displacement, and ensuring the stability of signal transmission.
Smart Images
Figure CN223503957U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model embodiment relates to pressure pad technical field, in particular to a kind of pressure pad and intelligent seat. BACKGROUND
[0002] Pressure pad as a kind of using pressure sensing technology to sense human pressure distribution condition and adjust the device, it includes control panel and sensing mat layer, sensing mat layer is electrically connected with control panel by wire, to provide power support for sensing mat layer, and the pressure signal received by sensing mat layer is converted into electric signal and then transmitted to control panel by wire, to facilitate subsequent algorithm analysis and processing of control panel.
[0003] The utility model discloses the inventor in the process of realizing the utility model, finds: at present, control panel and sensing mat layer are connected between the flexible circuit board (FPC) on the gold finger of sensing mat layer, to realize the electric connection between flexible circuit board and control panel, but this connection mode makes the connecting position of gold finger prone to poor contact when flexible mat body is displaced in actual use, and under the condition of long-time use, the connecting strength of gold finger can be greatly reduced, to further affect the use of pressure pad, and when direct connection is carried out using welding, the connecting strength is not enough in the displacement process of mat body, and it is prone to be directly pulled off. CONTENT OF UTILITY MODEL
[0004] The utility model embodiment provides a kind of pressure pad and intelligent seat, and the connecting strength between controller and flexible sensing mat body can be improved.
[0005] To solve the above technical problems, one technical scheme of the utility model is: provide a kind of pressure pad, comprising: flexible sensing mat body, including sequentially stacked first fabric layer, intermediate conductive layer and second fabric layer, the surface of the first fabric layer facing the second fabric layer is provided with a plurality of first elastic wires spaced apart along the first direction, the surface of the second fabric layer facing the first fabric layer is provided with a plurality of second elastic wires spaced apart along the second direction, as viewed along the third direction, the first elastic wire and the second elastic wire are staggered to form a plurality of sensing points, the first direction, the second direction and the third direction are perpendicular to each other;Controller, including conductive wire assembly and circuit board, the conductive wire assembly includes a plurality of first conductive wires and a plurality of second conductive wires, one end of the plurality of first conductive wires and one end of the plurality of second conductive wires are connected with the circuit board, the other end of a first conductive wire is connected with a first elastic wire, and the other end of a second conductive wire is connected with a second elastic wire.
[0006] Optionally, the other end of the first conductive wire has a first exposed part, and the first elastic wire is spirally arranged on the first exposed part.
[0007] Optionally, the other end of the first conductive wire is provided with a first terminal, the first terminal is fixed to the first fabric layer, and the first elastic wire is wound around the first terminal.
[0008] Optionally, the first terminal comprises a first connecting portion and a first winding portion, the first connecting portion is fixed to the other end of the first conductive wire, and the first winding portion is provided with a first through hole, the first elastic wire passes through the first through hole and is wound around the first winding portion.
[0009] Optionally, the other end of the first conductive wire and one end of the first elastic wire are cross double helix wound.
[0010] Optionally, the other end of the second conductive wire is wound and connected with the second elastic wire.
[0011] Optionally, the other end of the second conductive wire has a second exposed portion, and the second elastic wire is spirally wound around the second exposed portion.
[0012] Optionally, the other end of the second conductive wire is provided with a second terminal, the second terminal is fixed to the second fabric layer, and the second elastic wire is wound around the second terminal.
[0013] Optionally, the second terminal comprises a second connecting portion and a second winding portion, the second connecting portion is fixed to the other end of the second conductive wire, and the second winding portion is provided with a second through hole, the second elastic wire passes through the second through hole and is wound around the second winding portion.
[0014] Optionally, the other end of the second conductive wire and one end of the second elastic wire are cross double helix wound.
[0015] To solve the above technical problems, another technical scheme adopted by the utility model is to provide an intelligent seat comprising the pressure pad.
[0016] The utility model embodiment has the advantages that, unlike the prior art, the utility model embodiment can change the connection mode between the controller and the flexible sensing pad body through the multi-section weaving and winding mode between the first conductive wire and the first elastic wire and the weaving and winding mode between the second conductive wire and the second elastic wire, and further improve the connection strength between the controller and the flexible sensing pad body through the above connection mode, so that the connection between the controller and the flexible sensing pad body will not be easily broken due to external force or displacement of the flexible sensing pad body. BRIEF DESCRIPTION OF DRAWINGS
[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments of the present application will be briefly introduced as follows. Obviously, the drawings described below are only some embodiments of the present application, and other drawings can be obtained by the drawings without creative labor.
[0018] Figure 1 is an exploded schematic view of the pressure pad from one perspective, provided by the embodiments of the present application;
[0019] Figure 2 is an exploded schematic view of the pressure pad from another perspective, provided by the embodiments of the present application;
[0020] Figure 3 is an assembly structure schematic view of the pressure pad, provided by the embodiments of the present application;
[0021] Figure 4 is a schematic view of a single helical winding connection mode, provided by the embodiments of the present application;
[0022] Figure 5 is a schematic view of a terminal connection mode, provided by the embodiments of the present application;
[0023] Figure 6 is a structure schematic view of a terminal, provided by the embodiments of the present application;
[0024] Figure 7 is a structure schematic view of another terminal, provided by the embodiments of the present application;
[0025] Figure 8 is a schematic view of a cross double helical connection mode, provided by the embodiments of the present application. DETAILED DESCRIPTION
[0026] In order to facilitate the understanding of the present application, the present application will be described in more detail below in combination with the drawings and specific embodiments. It should be noted that when an element is described as "fixed to" another element, it can be directly on the other element or one or more intervening elements can be present therebetween. When an element is described as "connected to" another element, it can be directly connected to the other element or one or more intervening elements can be present therebetween. The terms "vertical", "horizontal", "left", "right" and similar expressions used in the specification are only for the purpose of illustration.
[0027] Unless otherwise defined, all technical and scientific terms used in the present disclosure have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. All publications, patent applications, patents, and other references mentioned in this specification are herein incorporated by reference in their entirety.
[0028] Please refer to Figure 1 , Figure 2 and Figure 3 , the pressure pad 1000 comprises a flexible sensing pad body 1 and a controller 2, and the flexible sensing pad body 1 and the controller 2 are electrically connected.
[0029] Specifically, the flexible sensing pad body 1 comprises a first fabric layer 11, an intermediate conductive layer 12 and a second fabric layer 13 which are sequentially stacked, the surface of the first fabric layer 11 facing the second fabric layer 13 is provided with a plurality of first elastic wires 111 arranged at intervals along a first direction X, the surface of the second fabric layer 13 facing the first fabric layer 11 is provided with a plurality of second elastic wires 131 arranged at intervals along a second direction Y, and the first elastic wires 111 and the second elastic wires 131 are staggered in a third direction Z to form a plurality of sensing points. Generally, the first direction X, the second direction Y and the third direction Z are perpendicular to each other.
[0030] It can be understood that, in order to improve the integration degree of the first fabric layer 11 and the first elastic wire 111, the first elastic wire 111 is arranged on the first fabric layer 11 by weaving; in order to improve the integration degree of the second fabric layer 13 and the second elastic wire 131, the second elastic wire 131 is arranged on the second fabric layer 13 by weaving.
[0031] It should be noted that, when no external force is applied, the first fabric layer 11 and the second fabric layer 13 are insulated by the intermediate conductive layer 12, and when external force is applied, the first fabric layer 11 and the second fabric layer 13 are connected by the intermediate conductive layer 12. In order to achieve the above function, the intermediate conductive layer 12 has the characteristic of being able to realize the conversion of insulation and conduction function when subjected to external pressure. For this, the intermediate conductive layer 12 exhibits an insulating state or a high resistance state in normal state to prevent unintended current flow between the first elastic wire 111 and the second elastic wire 131, and when the first elastic wire 111 and the second elastic wire 131 are close to each other to a certain extent due to external force, the intermediate conductive layer 12 also changes in the local area between them due to external force, and the conductive property changes from an insulating state to a conductive state, thereby realizing the sensing of the sensing point to the pressure position.
[0032] It can be understood that the optional material of the intermediate conductive layer 12 includes but is not limited to conductive suede, pressure-sensitive conductive material, elastic conductive film, flexible conductive composite material, etc.
[0033] For the above-mentioned controller 2, please refer to Figure 1 and Figure 2 , the controller 2 includes a conductive wire assembly 21 and a circuit board 22, the conductive wire assembly 21 includes a plurality of first conductive wires 211 and a plurality of second conductive wires 212, one end of the plurality of first conductive wires 211 and one end of the plurality of second conductive wires 212 are connected with the circuit board 22, the other end of a first conductive wire 211 is connected with a first elastic wire 111, and the other end of a second conductive wire 212 is connected with a second elastic wire 131. Further, the other end of a second conductive wire 212 is connected with a second elastic wire 131.
[0034] It should be noted that the plurality of first conductive wires 211 and the plurality of second conductive wires 212 are in pairs, so that a first conductive wire 211 corresponds to a second conductive wire 212, and the sensing point formed by the intersection of the first elastic wire 111 and the second elastic wire 131 forms a complete signal transmission path.
[0035] The other end of a first conductive wire 211 is connected with a first elastic wire 111 in various ways, and the other end of a second conductive wire 212 is connected with a second elastic wire 131 in various ways, including single helix winding connection mode, terminal connection mode and cross double helix connection mode, the specific connection mode is as follows:
[0036] Single helix winding connection mode:
[0037] In some embodiments, please refer to Figure 4 the other end of the first conductive wire 211 has a first exposed part 211a, and the first elastic wire 111 is spirally arranged on the first exposed part 211a; and / or the other end of the second conductive wire 212 has a second exposed part 212a, and the second elastic wire 131 is spirally arranged on the second exposed part 212a.
[0038] It can be understood that the spiral arrangement mode greatly increases the contact area of the first conductive wire 211 and the first elastic wire 111, thereby significantly improving the connection strength of the first conductive wire 211 and the first elastic conductive wire.
[0039] Terminal connection mode:
[0040] In some embodiments, please refer to Figure 5, the other end of the first conductive wire 211 is provided with a first terminal 211b, the first terminal 211b is fixed to the first fabric layer 11, and the first elastic wire 111 is wound around the first terminal 211b so that the first elastic wire 111 is electrically connected to the first conductive wire 211 through the first terminal 211b; and / or, the other end of the second conductive wire 212 is provided with a second terminal 212b, the second terminal 212b is fixed to the second fabric layer 13, and the second elastic wire 131 is wound around the second terminal 212b so that the second elastic wire 131 is electrically connected to the second conductive wire 212 through the second terminal 212b.
[0041] Further, please refer to Figure 6 , the first terminal 211b includes a first connecting portion 211b1 and a first winding portion 211b2, the first connecting portion 211b1 is fixed to the other end of the first conductive wire 211, and the first winding portion 211b2 is provided with a first through hole 211b2a, and the first elastic wire 111 passes through the first through hole 211b2a and is wound around the first winding portion 211b2. Specifically, the first connecting portion 211b1 includes a first bending arm 211b1a and a second bending arm 211b1b, when it is necessary to fix the connecting portion to the first conductive wire 211, the first bending arm 211b1a and the second bending arm 211b1b are bent together in the direction close to the first conductive wire 212 and wrap and clamp the first conductive wire 211, thereby realizing the connection between the first connecting portion 211b1 and the first conductive wire 211. The second terminal 212b includes a second connecting portion 212b1 and a second winding portion 212b2, the second connecting portion 212b1 is fixed to the other end of the second conductive wire 212, and the second winding portion 212b2 is provided with a second through hole 212b2a, and the second elastic wire 131 passes through the second through hole 212b2a and is wound around the second winding portion 212b2. Specifically, the second connecting portion 212b1 includes a third bending arm 212b1a and a fourth bending arm 212b1b, when it is necessary to fix the connecting portion to the second conductive wire 212, the third bending arm 212b1a and the fourth bending arm 212b1b are bent together in the direction close to the second conductive wire 212 and wrap and clamp the second conductive wire 212, thereby realizing the connection between the second connecting portion 212b1 and the second conductive wire 212.
[0042] In some embodiments, please refer to Figure 7, the first connecting terminal 211b can also be configured to have two first winding parts 211b2, thereby omitting the first connecting part 211b1, and each of the two first winding parts 211b2 is provided with a first through hole 211b2a, so that the first conductive wire 211 passes through one first through hole 211b2a and is wound on one first winding part 211b2; the first elastic wire 111 passes through the other first through hole 211b2a and is wound on the other first winding part 211b2; the second connecting terminal 212b can also be configured to have two second winding parts 212b2, thereby omitting the second connecting part 212b1, and each of the two second winding parts 212b2 is provided with a second through hole 212b2a, so that the second conductive wire 212 passes through one second through hole 212b2a and is wound on one second winding part 212b2; the second elastic wire 131 passes through the other second through hole 212b2a and is wound on the other second winding part 212b2.
[0043] Crossed double helix connection mode:
[0044] In some embodiments, referring to Figure 8 , the other end of the first conductive wire 211 and one end of the first elastic wire 111 are arranged in a crossed double helix winding manner, that is, the first conductive wire 211 and the first elastic wire 111 are wound on each other and arranged in a double helix shape, thereby greatly increasing the connection strength between the first conductive wire 211 and the first elastic wire 111; and / or, the other end of the second conductive wire 212 and one end of the second elastic wire 131 are arranged in a crossed double helix winding manner, that is, the second conductive wire 212 and the second elastic wire 131 are wound on each other and arranged in a double helix shape, thereby greatly increasing the connection strength between the second conductive wire 212 and the second elastic wire 131.
[0045] The first conductive wire 211 is spirally wound on the first elastic wire 111, the first conductive wire 211 is connected with the first elastic wire 111 through the first connecting terminal 211b, the first conductive wire 211 and the first elastic wire 111 are arranged in a crossed double helix winding manner, and the second conductive wire 212 is spirally wound on the second elastic wire 131, the second conductive wire 212 is connected with the second elastic wire 131 through the second connecting terminal 212b, and the second conductive wire 212 and the second elastic wire 131 are arranged in a crossed double helix winding manner, which can be combined with each other in pairs, thereby forming nine different combination modes of the connection between the first conductive wire 211 and the first elastic wire 111 and the connection between the second conductive wire 212 and the second elastic wire 131.
[0046] In some embodiments, the first conductive wire 211 is wrapped with a first insulating layer (not shown), and no coating is provided at the connection position of the first conductive wire 211 and the first elastic wire 111 to ensure the electrical connection of the first conductive wire 211 and the first elastic wire 111; the second conductive wire 212 is wrapped with a second insulating layer (not shown), and no coating is provided at the connection position of the second conductive wire 212 and the second elastic wire 131 to ensure the electrical connection of the second conductive wire 212 and the second elastic wire 131.
[0047] In the embodiment, the pressure pad 1000 comprises a flexible sensing pad body 1 and a controller 2, and the flexible sensing pad body 1 and the controller 2 are electrically connected. Specifically, the flexible sensing pad body 1 comprises a first fabric layer 11, an intermediate conductive layer 12 and a second fabric layer 13 which are sequentially stacked, the surface of the first fabric layer 11 facing the second fabric layer 13 is provided with a plurality of first elastic wires 111 arranged at intervals along a first direction X, the surface of the second fabric layer 13 facing the first fabric layer 11 is provided with a plurality of second elastic wires 131 arranged at intervals along a second direction Y, and the first elastic wires 111 and the second elastic wires 131 are arranged in a staggered manner as viewed along a third direction Z to form a plurality of sensing points. Generally, the first direction X, the second direction Y and the third direction Z are perpendicular to each other. The controller 2 comprises a conductive wire assembly 21 and a circuit board 22, the conductive wire assembly 21 comprises a plurality of first conductive wires 211 and a plurality of second conductive wires 212, one end of the plurality of first conductive wires 211 and one end of the plurality of second conductive wires 212 are connected to the circuit board 22, the other end of a first conductive wire 211 is woundly connected to a first elastic wire 111, and the other end of a second conductive wire 212 is connected to a second elastic wire 131. Through the above structure, the connection strength of the first conductive wire 211 and the first elastic wire 111 is enhanced by the winding connection of the first conductive wire 211 and the first elastic wire 111, and the risk of connection fracture between the flexible sensing pad body 1 and the controller 2 is reduced.
[0048] The utility model provides an intelligent seat embodiment, including adjustment mechanism and above -mentioned pressure pad 1000, adjustment mechanism is connected with pressure pad 1000 electricity, to adjust the support mechanism of intelligent seat according to the control signal generated by external environment of pressure pad 1000.
[0049] It should be noted that the description and drawings of the utility model give the preferred embodiments of the utility model, however, the utility model can be realized through many different forms, and is not limited to the embodiments described in the description, the embodiments are not as additional limitation to the content of the utility model, the purpose of providing the embodiments is to make the understanding of the disclosure of the utility model more thorough and comprehensive. Furthermore, the above technical features continue to combine, form various embodiments not listed above, which are considered as the range of the description of the utility model; further, for those skilled in the art, the above description can be improved or transformed, and all these improvements and transformations should belong to the protection scope of the utility model claims.
Claims
1. A pressure pad, characterized in that, include: The flexible sensing pad includes a first fabric layer, an intermediate conductive layer and a second fabric layer stacked in sequence. The surface of the first fabric layer facing the second fabric layer is provided with a plurality of first elastic wires arranged at intervals along a first direction. The surface of the second fabric layer facing the first fabric layer is provided with a plurality of second elastic wires arranged at intervals along a second direction. The first elastic wires and the second elastic wires are arranged in an alternating manner to form a plurality of sensing points. The controller includes a conductive wire assembly and a circuit board. The conductive wire assembly includes a plurality of first conductive wires and a plurality of second conductive wires. One end of each of the plurality of first conductive wires and one end of each of the plurality of second conductive wires are connected to the circuit board. The other end of each of the first conductive wires is wound and connected to a first elastic wire in a corresponding manner. The other end of each of the second conductive wires is connected to a second elastic wire in a corresponding manner.
2. The pressure pad according to claim 1, characterized in that, The other end of the first conductive wire has a first exposed portion, and the first elastic wire is spirally wound around the first exposed portion and woven onto the first fabric layer.
3. The pressure pad according to claim 1, characterized in that, The other end of the first conductive wire is provided with a first terminal, the first terminal is fixed to the first fabric layer, and the first elastic wire is wound around the first terminal.
4. The pressure pad according to claim 3, characterized in that, The first terminal block includes a first connecting part and a first winding part. The first connecting part is fixed to the other end of the first conductive wire. The first winding part is provided with a first through hole. The first elastic wire passes through the first through hole multiple times and is wound around the first winding part.
5. The pressure pad according to claim 1, characterized in that, The other end of the first conductive wire and one end of the first elastic wire are intertwined in a double spiral and woven together on the first fabric layer.
6. The pressure pad according to any one of claims 1-5, characterized in that, The other end of the second conductive wire is wound and connected to a second elastic wire.
7. The pressure pad according to claim 6, characterized in that, The other end of the second conductive wire has a second exposed portion, and the second elastic wire is spirally wound around the second exposed portion.
8. The pressure pad according to claim 6, characterized in that, The other end of the second conductive wire is provided with a second terminal. The second terminal is fixed to the second fabric layer. The second elastic wire is wound around the second terminal. The second terminal includes a second connecting part and a second winding part. The second connecting part is fixed to the other end of the second conductive wire. The second winding part is provided with a second through hole. The second elastic wire passes through the second through hole and is wound around the second winding part.
9. The pressure pad according to claim 6, characterized in that, The other end of the second conductive wire and one end of the second elastic wire are arranged in a cross-helical double spiral.
10. A smart seat, characterized in that, Includes the pressure pad as described in any one of claims 1-9.