CN215832918U - Core structure and pressure sensor - Google Patents
Core structure and pressure sensor Download PDFInfo
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- CN215832918U CN215832918U CN202121189444.6U CN202121189444U CN215832918U CN 215832918 U CN215832918 U CN 215832918U CN 202121189444 U CN202121189444 U CN 202121189444U CN 215832918 U CN215832918 U CN 215832918U
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- protective cover
- core structure
- protective
- sensitive element
- pressure sensitive
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Abstract
The utility model provides a core body structure and a pressure sensor, wherein the core body structure comprises a supporting structure, a pressure sensitive element, a protective cover and a protective structure, the supporting structure is provided with a medium hole penetrating through the supporting structure and an installation surface, the pressure sensitive element is installed on the installation surface and covers the medium hole, the protective cover is installed on the installation surface and covers the pressure sensitive element, a glue filling hole penetrates through the top of the protective cover, and the protective structure is filled in the protective cover.
Description
Technical Field
The embodiment of the utility model relates to the technical field of pressure sensors, in particular to a core structure and a pressure sensor.
Background
In the prior art, a pressure sensitive element is usually surrounded by a ceramic frame or a plastic frame, and protective gel is filled in the ceramic frame or the plastic frame, however, when the core structure is packaged or transported, the pressure sensitive element is not sufficiently protected, and the core structure is easily damaged.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a core structure and a pressure sensor, and aims to solve the problem that in the prior art, when the core structure adopts a ceramic frame or a plastic frame, a pressure sensitive element is not sufficiently protected, and the core structure is easily damaged.
In order to solve the above technical problem, an embodiment of the present invention provides a core structure, including:
the supporting structure is provided with a medium hole penetrating through the supporting structure and a mounting surface;
the pressure sensitive element is arranged on the mounting surface and covers the medium hole;
the protective cover is arranged on the mounting surface and covers the pressure sensitive element, and a glue filling hole penetrates through the top of the protective cover;
and the protective structure is filled in the protective cover.
Preferably, the top of the protective cover has several error-proofing structures.
Preferably, the edge of the top of the protection cover is chamfered to form a structure so as to form the error-proofing structure.
Preferably, the mistake proofing structure includes a positioning column, and the positioning column is arranged at the top of the protection cover.
Preferably, the protective cover is a plastic or ceramic piece.
Preferably, the inner side wall of the protective cover is convexly provided with a plurality of reinforcing ribs, and each reinforcing rib extends from the top of the protective cover towards the supporting structure.
Preferably, a pad is arranged on the supporting structure, and the pad is electrically connected with the pressure sensitive element and arranged outside the protective cover.
Preferably, the core structure further comprises a conditioning chip, and the conditioning core is mounted on the mounting surface and accommodated in the protective cover.
Preferably, the support structure is a circuit board.
In order to achieve the above object, the present invention further includes a pressure sensor including the above core structure.
Drawings
One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.
FIG. 1 is a perspective view of one embodiment of a core structure provided in accordance with the present invention;
FIG. 2 is an exploded view of the core structure of FIG. 1;
FIG. 3 is a cross-sectional view of the core structure of FIG. 1;
fig. 4 is a partial schematic view of the protective cover of fig. 1.
The utility model is illustrated by the reference numerals:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | |
31 | |
| 1 | |
32 | Reinforcing |
| 11 | Media pores | 4 | |
| 12 | |
41 | |
| 13 | |
42 | |
| 2 | Pressure |
5 | Conditioning |
| 3 | Protective cover |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions 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 a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a core structure, please refer to fig. 1 to 3, wherein the core structure 100 comprises a supporting structure 1, a pressure sensitive element 2, a protective cover 3 and a protective structure, the supporting structure 1 is provided with a medium hole 11 penetrating the supporting structure 1 and an installation surface 12, the pressure sensitive element 2 is installed on the installation surface 12 and covers the medium hole 11, the protective cover 3 is installed on the installation surface 12 and covers the pressure sensitive element 2, a glue filling hole 31 penetrates the top of the protective cover 3, and the protective structure (not shown in the figure) is filled in the protective cover 3.
According to the utility model, the protective cover 3 is arranged, the protective cover 3 is provided with the glue filling hole 31, and the protective structure is filled through the glue filling hole 31 instead of a plastic frame or a ceramic frame, so that the damage to the core body structure 100 caused by insufficient protection of the pressure sensitive element 2 in the packaging or carrying process is avoided.
In the present embodiment, the supporting structure 1 may be a substrate, such as an aluminum substrate, a ceramic substrate; but may be a circuit board or the like, without being particularly limited thereto. The protective structure may be a conventional protective gel for coating on the pressure sensitive element 2 to protect the pressure sensitive element 2, or may be other protective structures, which is not particularly limited herein.
The shape of the protective cover 3 may be cylindrical or square, and in other embodiments, the shape may be adjusted to other shapes according to the shape of the pressure sensitive element 2, and in this embodiment, the protective cover 3 is square.
Referring to fig. 1, in order to prevent the protective cover 3 from being installed incorrectly, the top of the protective cover 3 has a plurality of mistake-proofing structures 4. The error-proofing structure 4 can be various, such as a structure formed by chamfering the edge of the excircle corner 41 on the top of the protection cover 3 to form the error-proofing structure 4, wherein the number of the chamfering excircle corners 41 can be one, two or three; the mistake proofing structure 4 may also include a positioning post 42, and the positioning post 42 is disposed on the top of the protection cover 3.
In this embodiment, the protective cover 3 is a plastic or ceramic member. Referring to fig. 4, a plurality of ribs 32 are protruded from the inner sidewall of the protective cover 3, and each rib 32 extends from the top of the protective cover 3 toward the supporting structure 1.
Furthermore, a bonding pad 13 is arranged on the supporting structure 1, and the bonding pad 13 is electrically connected with the pressure sensitive element 2 and is arranged outside the protective cover 3. In order to further protect the chip structure, the core structure 100 further comprises a conditioning chip 5, which is mounted on the mounting surface 12 and accommodated in the protective cover 3.
To achieve the above object, the present invention also includes a pressure sensor including the above-described core structure 100. Embodiments of the pressure sensor include all embodiments of the wick structure 100 described above.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the technical solutions of the present invention, which are made by using the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A core structure, comprising:
the supporting structure is provided with a medium hole penetrating through the supporting structure and a mounting surface;
the pressure sensitive element is arranged on the mounting surface and covers the medium hole;
the protective cover is arranged on the mounting surface and covers the pressure sensitive element, and a glue filling hole penetrates through the top of the protective cover;
and the protective structure is filled in the protective cover.
2. The core structure of claim 1 wherein the protective cover has a plurality of error proofing structures on top.
3. The core structure of claim 2 wherein the configuration is such that the outside rounded corners are chamfered at the edges of the top of the protective covering to form the error proofing configuration.
4. The core structure of claim 2 wherein the error proofing structure comprises locating posts disposed on top of the protective covering.
5. A wick structure according to claim 1, wherein said protective covering is a plastic or ceramic element.
6. A core structure as claimed in claim 1, wherein the protective cover has a plurality of ribs projecting from an inner side wall thereof, each rib extending from a top of the protective cover towards the support structure.
7. The core structure of claim 1 wherein the support structure has pads thereon, the pads being electrically connected to the pressure sensitive element and disposed outside the protective covering.
8. The wick structure according to claim 7, further comprising a conditioning chip, wherein the conditioning chip is mounted to the mounting surface and is received within the protective cover.
9. The core structure of claim 1 wherein the support structure is a circuit board.
10. A pressure sensor comprising a core structure according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121189444.6U CN215832918U (en) | 2021-05-31 | 2021-05-31 | Core structure and pressure sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121189444.6U CN215832918U (en) | 2021-05-31 | 2021-05-31 | Core structure and pressure sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215832918U true CN215832918U (en) | 2022-02-15 |
Family
ID=80189281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121189444.6U Active CN215832918U (en) | 2021-05-31 | 2021-05-31 | Core structure and pressure sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215832918U (en) |
-
2021
- 2021-05-31 CN CN202121189444.6U patent/CN215832918U/en active Active
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