CN219295592U

CN219295592U - Pressure sensing device and two-wheeled vehicle

Info

Publication number: CN219295592U
Application number: CN202320864141.2U
Authority: CN
Inventors: 李彦甲; 许连威
Original assignee: Beijing Qisheng Technology Co Ltd
Current assignee: Beijing Qisheng Technology Co Ltd
Priority date: 2023-04-18
Filing date: 2023-04-18
Publication date: 2023-07-04
Anticipated expiration: 2033-04-18

Abstract

The utility model provides a pressure sensing device and a two-wheeled vehicle, which effectively improve the fineness and accuracy of the pressure sensing device for pressure detection by using a sensing chip with high accuracy, realize the accurate detection of pressure values, and are provided with a coated buffer component and a force transmission film contacted above the buffer component, so that the sensing chip is prevented from directly coping with the impact of pressure, the protection of the sensing chip is effectively realized, the area of pressure sensing can be increased by the force transmission film, the sensitivity to the pressure sensing is high, the pressure sensing efficiency and the response speed can be further effectively improved, the two-wheeled vehicle provided with the pressure sensing device can effectively realize the detection of riding of multiple people, the safety detection is facilitated, and the potential safety hazard is greatly reduced.

Description

Pressure sensing device and two-wheeled vehicle

Technical Field

The disclosure relates to the technical field of detection, in particular to a pressure sensing device and a two-wheel vehicle.

Background

With the development of the age and the progress of technology, the travel modes of people become various, and bicycles such as bicycles, sharing bicycles, electric bicycles, sharing electric bicycles, mopeds and the like are favored by more and more people due to the advantages of economy, energy conservation, environmental protection, convenient use, convenient parking and the like, and especially the sharing electric bicycles, the mopeds and the like, so that the travel modes of people in short distance travel and even in medium and long distance travel are the preferred travel modes.

For most two-wheelers such as shared electric bicycles and moped vehicles, except the vehicles provided with independent manned seats, only one person is generally used for riding, but in an actual riding scene, a user often does not observe the use rule, a situation that two persons ride one vehicle at most exists, and serious potential safety hazards exist.

Disclosure of Invention

In view of the above, embodiments of the present disclosure provide a pressure sensing device and a two-wheeled vehicle, which at least partially solve the above-mentioned technical problems.

The utility model provides a pressure sensing device, which comprises a sensing chip, a force conducting film, a buffer part, a circuit board and a shell, wherein the sensing chip is arranged on the circuit board;

the shell is provided with a through hole, the induction chip, the buffer component and the circuit board are accommodated in the through hole, and the force conduction film is positioned on the shell;

the induction chip is arranged on the circuit board and is electrically connected with a circuit on the circuit board;

the buffer component is positioned on the circuit board and coats the induction chip;

the force-conducting film is disposed in parallel with the circuit board, above and in contact with the cushioning member.

In a possible embodiment, a protruding bearing part is provided on the inner wall of the through hole, and the circuit board is fixed on the bearing part.

In a possible implementation manner, a sealing groove is arranged on the shell, and the sealing groove surrounds one end opening of the through hole;

and a fixing part is formed between the sealing groove and the penetrating hole and used for fixing the force conducting film.

In a possible embodiment, the height of the fixing portion is lower than the height of the housing in an axial direction along the through-hole.

In a possible embodiment, the edge of the force-conducting membrane is provided with a backing glue, which is located between the force-conducting membrane and the fixing portion.

In a possible embodiment, the pressure sensing device further includes a sealing member including an embedded portion and a cladding portion connected, the embedded portion being located in the sealing groove, the cladding portion being located above the fixing portion and covering an edge portion of the force-conducting film.

In a possible implementation manner, a plurality of limiting parts are arranged on the bottom surface of the sealing groove, and the side edges of the force transmission film are abutted against the limiting parts.

In a possible implementation manner, the pressure sensing device further comprises a plug connector for connecting an external wire, the plug connector and the sensing chip are respectively located at two sides of the circuit board, and the plug connector is fixed on the circuit board and is electrically connected with a circuit on the circuit board.

In a possible embodiment, the housing is provided with an outwardly projecting mounting portion.

The utility model also provides a two-wheeled vehicle, which comprises a cushion and the pressure sensing device, wherein the pressure sensing device is arranged in the cushion.

The utility model provides a pressure sensing device and a two-wheeled vehicle, wherein the pressure sensing device comprises a sensing chip, a force conducting film, a buffer component, a circuit board and a shell, wherein a through hole is formed in the shell, the sensing chip, the buffer component and the circuit board are contained in the through hole, the force conducting film is positioned on the shell, the sensing chip is arranged on the circuit board and is electrically connected with a circuit on the circuit board, the buffer component is positioned on the circuit board and coats the sensing chip, the force conducting film is arranged in parallel with the circuit board, and the force conducting film is positioned above the buffer component and is in contact with the buffer component.

Like this, through the response chip that the precision is high, can effectively improve pressure sensing device to the fineness and the degree of accuracy of pressure detection, realize the accurate detection of pressure value, and set up the buffer unit of cladding on the response chip, and the force conduction film of buffer unit top contact, can avoid the direct impact of handling the pressure of response chip, effectively realize the protection to the response chip, can increase the area of forced induction through the force conduction film moreover, high to the sensitivity of forced induction, and then can effectively improve forced induction efficiency and response speed, to the two wheeler that is provided with this pressure sensing device, can effectively realize the detection of riding many people, be favorable to improving safety inspection, greatly reduced the potential safety hazard.

The foregoing objects, features and advantages of the disclosure will be more readily apparent from the following detailed description of the preferred embodiments taken in conjunction with the accompanying drawings.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present disclosure, the drawings required for the embodiments are briefly described below, which are incorporated in and constitute a part of the specification, these drawings showing embodiments consistent with the present disclosure and together with the description serve to illustrate the technical solutions of the present disclosure. It is to be understood that the following drawings illustrate only certain embodiments of the present disclosure and are therefore not to be considered limiting of its scope, for the person of ordinary skill in the art may admit to other equally relevant drawings without inventive effort.

FIG. 1 is a schematic diagram of a pressure sensing apparatus according to the present utility model;

FIG. 2 is an exploded view of the pressure sensing device shown in FIG. 1;

FIG. 3 is a schematic cross-sectional view of the pressure sensing device shown in FIG. 1;

fig. 4 is a schematic cross-sectional view of another pressure sensing device according to the present utility model.

Detailed Description

For the purposes of making the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions in the embodiments of the present disclosure will be clearly and completely described below with reference to the drawings in the embodiments of the present disclosure, and it is apparent that the described embodiments are only some embodiments of the present disclosure, but not all embodiments. The components of the embodiments of the present disclosure, which are generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present disclosure provided in the accompanying drawings is not intended to limit the scope of the disclosure, as claimed, but is merely representative of selected embodiments of the disclosure. All other embodiments, which can be made by those skilled in the art based on the embodiments of this disclosure without making any inventive effort, are intended to be within the scope of this disclosure.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

The term "and/or" is used herein to describe only one relationship, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist together, and B exists alone. In addition, the term "at least one" herein means any one of a plurality or any combination of at least two of a plurality, for example, including at least one of A, B, C, and may mean including any one or more elements selected from the group consisting of A, B and C.

Referring to fig. 1, 2 and 3, fig. 1 is a schematic diagram of a pressure sensing device according to the present utility model, fig. 2 is an exploded view of the pressure sensing device shown in fig. 1, and fig. 3 is a schematic cross-sectional view of the pressure sensing device shown in fig. 1. As shown in fig. 1, 2 and 3, the present utility model provides a pressure sensing device 100, the pressure sensing device 100 including a housing 110, and a sensing chip 120, a buffer member 130 and a circuit board 140 disposed in the housing 110, and a force transmission film 150 disposed on the housing 110.

The sensing chip 120 is disposed on the circuit board 140, and the sensing chip 120 is electrically connected to the circuit on the circuit board 140. The buffer member 130 is disposed on the circuit board 140 and encapsulates the sensing chip 120. The force transmission film 150 is disposed parallel to the circuit board 140, and the force transmission film 150 is disposed above the buffer member 130 and in contact with the buffer member 130, so that when stress is applied to the force transmission film 150, the force can be transmitted to the buffer member 130, and thus the sensing chip 120 senses the force.

The buffer member 130 may be made of a flexible material, and may be formed by dispensing after the sensing chip 120 is fixed on the circuit board 140. The force-conducting film 150 may be a soft PET film having elasticity and ductility.

The pressure sensing device 100 further includes a connector 160 for connecting an external wire, the connector 160 and the sensing chip 120 are respectively located at two sides of the circuit board 140, and the connector 160 is fixed on the circuit board 140 and electrically connected to a circuit on the circuit board 140.

The main body of the housing 110 is a cylinder, and the housing 110 is provided with a through hole 111, so that the main body of the housing is hollow and cylindrical, the sensing chip 120, the buffer member 130 and the circuit board 140 are accommodated in the through hole 111, the force transmission film 150 is located on the housing 110 and at an opening of one end of the through hole 111, and in addition, the opening of one end of the through hole 111 is defined as the top end of the housing 110, that is, the force transmission film 150 is located at the top end of the housing 110.

In one possible embodiment, the outer side surface of the housing 110 is further provided with a protruding mounting portion 112, the mounting portion 112 is located on the outside of the housing corresponding to the opening at the other end of the through hole 111, that is, at one end of the bottom of the housing 110, the mounting portion 112 is provided with a mounting hole 113, and the pressure sensing device 100 may be fixed to a location and an article where the pressure sensing device 100 is to be disposed by means of a fixing member such as a screw through the mounting portion 112. In practical use, for example, a fastener such as a screw may be used to pass through the mounting hole 113, and the pressure sensing device 100 may be mounted in a seat cushion of the two-wheeled vehicle by the mounting portion 112, so that when a user rides the two-wheeled vehicle, the pressure sensing device 100 may be used to detect the pressure distribution on the seat cushion, thereby detecting a user who has several vehicles riding together.

In the present embodiment, the number of the mounting portions 112 is two, and two mounting portions 112 are located on both sides of the housing 110, but the present utility model is not limited thereto, and in other embodiments, only one mounting portion 112 may be provided, or 3 or more mounting portions 112 may be provided, as required.

In one possible implementation manner, the housing 110 is further provided with a wire-running part 114, where the wire-running part 114 is located at an opening at the other end of the through hole 111 on the housing 110, and in addition, the opening at the other end of the through hole 111 is defined as a bottom end of the housing 111, that is, the wire-running part 114 is located at the bottom end of the housing 111, and the wire-running part 114 is detachably mounted on the housing 110 and can be connected with the housing 110 in a clamping manner, and after the wire-running part 114 is fastened on the housing 110 in a clamping manner, the wire-running part 114 is used as a part of a main body of the housing 110, that is, a part of a side wall of the through hole 111. Further, the routing portion 114 is provided with a routing hole 115, and the routing hole 115 is used for an external circuit to extend into the through hole 111 through the routing hole 115 so as to be connected with the circuit board 140.

In the present embodiment, the routing part 114 is located on the housing between the two mounting parts 112, but the present utility model is not limited thereto, and in other embodiments, the routing part 114 may be disposed at a desired position according to routing requirements.

Further, a protruding bearing portion 116 is disposed on an inner wall of the through hole 111, and the circuit board 140 is fixed on the bearing portion 116. Specifically, the carrying portion 116 may be provided with a first through hole, and the corresponding position on the circuit board 140 may be provided with a second through hole, so that the circuit board 140 may be fixed on the carrying portion 116 by means of a fastener such as a screw, and then the components on the circuit board 140 may be fixed.

In the present embodiment, the bearing portion 116 is exemplified by an annular protrusion protruding inward along the circumference of the inner wall of the through hole 111, but the present utility model is not limited thereto, and in other embodiments, the bearing portion 116 may be provided as a single protrusion, and the number of bearing portions 116 may be provided as needed.

The housing 110 is further provided with a sealing groove 117, the sealing groove 117 is located at the top end of the housing 110, that is, at an opening at one end of the through hole 111, the sealing groove 117 surrounds the opening at one end of the through hole 111, a fixing portion 118 is formed between the sealing groove 117 and the through hole 111, and the fixing portion 118 is used for fixing the force conducting film 150, wherein the fixing portion 118 may be used as a side wall of the sealing groove 117. In the present embodiment, the fixing portion 118 is a part of a side wall of the through hole 111, and may be a common side wall of the through hole 111 and the seal groove 117.

In practical applications, in order to protect the components from abrasion and damage caused by external forces such as friction and stress, the height of the fixing portion 118 is lower than the height of the housing 110 in the axial direction of the through hole 111. In this way, the height does not protrude or does not protrude too much from the housing 110 when the force-conducting membrane 150 is secured to the securing portion 118.

Further, a plurality of limiting portions 119 are provided on the bottom surface of the sealing groove 117, so as to prevent the force transmission film 150 from moving when the force transmission film 150 is placed and mounted, and accordingly, the side edges of the force transmission film 150 are abutted against the limiting portions 119.

In one possible embodiment, the edge of the force transmission film 150 is provided with a back adhesive 151, and the back adhesive 151 is located between the force transmission film 150 and the fixing portion 118, so as to fix the force transmission film 150 to the fixing portion 118. However, in other embodiments, the force-conducting film 150 may be attached to the fixing portion 118 by dispensing the adhesive on the fixing portion 118 without providing the back adhesive 151, and then placing the force-conducting film 150 thereon to fix the force-conducting film 150 to the fixing portion 118.

In one possible embodiment, the edge of the force conducting film 150 may exceed the fixing portion 118, that is, the radius of the force conducting film 150 is larger than the annular outer diameter of the fixing portion 118, so that when the force conducting film 150 is installed, the edge of the force conducting film 150 is folded into the sealing groove 117, and correspondingly, a part of the back adhesive 151 is folded into the sealing groove 117 along with the force conducting film 150 and is fixed at the side surface of the fixing portion 118, as shown in fig. 4, wherein fig. 4 is a schematic cross-sectional view of another pressure sensing device provided in the present utility model. In this embodiment, it will be appreciated that, unlike the embodiment shown in fig. 1 to 3, there may be a gap between the stopper 119 and the fixing portion 118 so as to accommodate the edge portion of the force-conducting film 150 folded into the seal groove 117.

Further, the pressure sensing device 100 further includes a sealing member 170, wherein the sealing member 170 includes an embedded portion 171 and a coating portion 172 connected to each other, the embedded portion 171 is located in the sealing groove 117, and the coating portion 172 is located above the fixing portion 118 and covers an edge portion of the force transmission film 150.

In practical applications, the sealing member 170 may be made of a flexible glue material, and may be formed by dispensing after the force-conducting film 150 is fixed on the fixing portion 118, so that not only the pressure sensing device 100 may be sealed, but also the force-conducting film 150 may be protected and buffered to some extent.

In assembling the pressure sensing apparatus 100, the sensing die 120 may be mounted on the circuit board 140, the buffer member 130 may be formed by dispensing, etc., the socket 160 may be mounted on the other side of the circuit board 140, the circuit board 140 may be mounted in the through-hole 111 and fixed by a fastener, and the force transmission film 150 may be fixed on the fixing portion 118, and the sealing member 170 may be formed by dispensing, etc. Further, in the installation of the pressure sensing apparatus 100, the pressure sensing apparatus 100 may be installed on the installation body, and the pressure sensing apparatus 100 may be connected to the electrical system of the installation body through a wire, one end of the wire may be connected to the plug 160 of the pressure sensing apparatus 100, and the other end may be connected to the electrical system of the installation body.

Correspondingly, the utility model also provides a two-wheeled vehicle, which comprises a cushion and the pressure sensing device 100, wherein the pressure sensing device is arranged in the cushion. Specifically, the cushion may include a seat body, and foam and skin layers that sequentially cover the seat body, and the pressure sensing device 100 may be disposed on the seat body and covered with the foam.

According to the pressure sensing device and the two-wheeled vehicle, the sensing chip with high precision is used, so that the fineness and the accuracy of the pressure sensing device for pressure detection can be effectively improved, the accurate detection of pressure values is realized, the covered buffer part and the force conducting film contacted above the buffer part are arranged on the sensing chip, the sensing chip can be prevented from directly coping with the impact of pressure, the protection of the sensing chip is effectively realized, the area of pressure sensing can be increased through the force conducting film, the sensitivity to pressure sensing is high, the pressure sensing efficiency and the response speed can be further effectively improved, the detection of riding of a plurality of people can be effectively realized for the two-wheeled vehicle provided with the pressure sensing device, the safety detection is facilitated, and the potential safety hazard is greatly reduced.

The embodiments described above are some, but not all, of the embodiments of the present disclosure. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the disclosed embodiments, are within the scope of the disclosed embodiments.

In describing the embodiments of the present disclosure, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate an azimuth or a positional relationship based on that shown in the drawings, or an azimuth or a positional relationship in which the disclosed product is conventionally put when used, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the electric vehicle or the element to be referred must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

In describing the embodiments of the present disclosure, it should also be noted that, unless explicitly stated and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The foregoing is merely a specific implementation of the embodiments of the disclosure, but the protection scope of the embodiments of the disclosure is not limited thereto, and any changes or substitutions that may be easily contemplated by those skilled in the art within the technical scope of the embodiments of the disclosure should be covered by the protection scope of the embodiments of the disclosure. Therefore, the protection scope of the embodiments of the present disclosure shall be subject to the protection scope of the claims.

Claims

1. The pressure sensing device is characterized by comprising a sensing chip, a force conducting film, a buffer component, a circuit board and a shell;

2. The pressure sensing device of claim 1, wherein a protruding carrier is provided on an inner wall of the through hole, and the circuit board is fixed to the carrier.

3. The pressure sensing device of claim 1, wherein the housing is provided with a seal groove that surrounds an end opening of the through hole;

4. A pressure sensing apparatus according to claim 3, wherein the height of the fixing portion is lower than the height of the housing in an axial direction along the through hole.

5. A pressure sensing device according to claim 3, wherein the edge of the force conducting membrane is provided with a backing adhesive, the backing adhesive being located between the force conducting membrane and the fixing portion.

6. A pressure sensing device of claim 3, further comprising a seal comprising an embedded portion and a cladding portion connected, the embedded portion being located within the seal groove, the cladding portion being located above the fixed portion and covering an edge portion of the force-conducting membrane.

7. The pressure sensing device of claim 3, wherein a plurality of limiting portions are provided on a bottom surface of the sealing groove, and the side edges of the force-conducting film are abutted against the limiting portions.

8. The pressure sensing device of claim 1, further comprising a connector for connecting an external wire, wherein the connector and the sensing chip are respectively located at two sides of the circuit board, and the connector is fixed on the circuit board and electrically connected with a circuit on the circuit board.

9. The pressure sensing apparatus of claim 1, wherein the housing is provided with an outwardly protruding mounting portion.

10. A two-wheeled vehicle comprising a seat cushion and a pressure sensing device according to any one of claims 1 to 9, the pressure sensing device being disposed within the seat cushion.