Atmospheric pressure sensor with dustproof and waterproof structure

Abstract

The utility model discloses an atmospheric pressure sensor with a dustproof and waterproof structure, which comprises an outer shell, a mounting groove is arranged in the outer shell, a glue joint groove is arranged on the inner side of the mounting groove, four sides of a circuit board correspond to the glue joint groove in position, the circuit board is fixed with the glue joint groove in a dispensing manner, a welding groove is arranged on the top side of the mounting groove, and the welding groove is connected with the welding groove. The welding grooves correspond to the four sides of the rear cover plate in position, the rear cover plate and the welding grooves are welded and fixed, supporting legs are fixedly connected to the inner wall of the mounting groove, at least two supporting legs are distributed on the four sides of the inner wall of the mounting groove respectively and used for guaranteeing stability of the circuit board, the supporting legs are located at the top of the circuit board, and the circuit board is mounted in the mounting groove. The circuit board and the installation groove are fixed in a glue joint mode, a rear cover plate is arranged on the top of the outer shell, the rear cover plate and the outer shell are fixed in a welded mode, and a pin is connected to one side of the circuit board in a binding mode. According to the device, by upgrading the structure and the process, the assembling efficiency and the mechanical machining degree of the device are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of atmospheric pressure sensors, in particular to an atmospheric pressure sensor with a dustproof and waterproof structure. Background Art

[0002] An atmospheric pressure sensor is a device that converts atmospheric pressure into an electrical signal output. It has the characteristics of high sensitivity, fast response, and a wide measurement range. It achieves this conversion by detecting changes in the air pressure signal and is widely used in meteorological observation, automotive, environmental monitoring, industrial applications, and other fields.

[0003] At present, in order to meet the requirements of dustproof and waterproof, atmospheric pressure sensors mostly use soldering technology to connect the circuits, and glue the shell and the back cover to ensure that the connection between the pins and the circuit board uses soldering, which is relatively stable and firm, not easy to fall off, and can withstand strong vibrations and falls. However, the production method relies too much on manual operation, cannot be standardized and mechanized, and cannot uniformly control the product process. Utility Model Content

[0004] The purpose of the present utility model is to provide an atmospheric pressure sensor with a dustproof and waterproof structure, so as to solve the problem raised in the above background technology that the current atmospheric pressure sensor assembly method is too dependent on manual labor and is not mechanized enough.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solution: an atmospheric pressure sensor with a dustproof and waterproof structure, comprising an outer shell, a mounting groove is provided inside the outer shell, a circuit board is installed inside the mounting groove, the circuit board is glued and fixed to the mounting groove, a rear cover is provided on the top of the outer shell, the rear cover is welded and fixed to the outer shell, and a pin is bonded to one side of the circuit board.

[0006] Preferably, a supporting foot is fixedly connected to the inner wall of the mounting groove, and the supporting foot is located on the top of the circuit board.

[0007] Preferably, there are at least two supporting feet distributed on four sides of the inner wall of the mounting groove, respectively, to ensure the stability of the circuit board.

[0008] Preferably, a gluing groove is provided on the inner side of the installation groove, the four sides of the circuit board correspond to the positions of the gluing groove, and the circuit board is fixed to the gluing groove by gluing.

[0009] Preferably, a welding groove is provided on the top side of the installation groove, the welding groove corresponds to the four sides of the rear cover plate, and the rear cover plate is fixed to the welding groove by welding.

[0010] Preferably, a copper ring is provided on the outer shell, and the copper ring is located on one side of the air inlet.

[0011] Preferably, an opening is provided on the other side of the outer shell, and a pin is provided inside the opening.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] (1) This device improves the assembly efficiency and mechanized processing level of the device by upgrading its structure and process.

[0014] (2) This device sets a mounting groove inside the outer shell and sets adhesive grooves on the four sides of the inner wall of the mounting groove, so that the circuit board is fixed in the adhesive groove by dispensing glue, and the circuit board and the pins are connected by bonding wires through bonding equipment. The unified bonding parameters are combined with the unified test standards to achieve the purpose of standardization and mechanization to improve product efficiency and process stability.

[0015] (3) The device can limit the position of the circuit board by setting a support foot inside the installation slot to support the circuit board, thereby ensuring the stability of the circuit board and improving the service life of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a three-dimensional diagram of an atmospheric pressure sensor with a dustproof and waterproof structure according to the present invention;

[0017] Figure 2 This is an exploded view of an atmospheric pressure sensor with a dustproof and waterproof structure according to the present invention;

[0018] Figure 3 This is a cross-sectional view of an atmospheric pressure sensor with a dustproof and waterproof structure according to the present invention;

[0019] Figure 4 This is a top view of an atmospheric pressure sensor with a dustproof and waterproof structure according to the present invention.

[0020] In the figure: 1. Back cover; 2. Outer shell; 3. Copper ring; 4. Air inlet; 5. Circuit board; 6. Welding groove; 7. Gluing groove; 8. Support foot; 9. Pin; 10. Mounting groove. DETAILED DESCRIPTION

[0021] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] See also Figure 1-4The utility model provides a technical solution: an atmospheric pressure sensor with a dustproof and waterproof structure, comprising an outer shell 2, an interior of the outer shell 2 is provided with a mounting groove 10, the inner wall of the mounting groove 10 is fixedly connected with a supporting foot 8, and the supporting foot 8 is located on the top of the circuit board 5; the mounting groove 10 of this structure is used to limit the circuit board 5; the supporting foot 8 is distributed on the four sides of the inner wall of the mounting groove 10, respectively, for ensuring the stability of the circuit board 5; the supporting foot 8 of this structure can play a role in supporting and limiting the circuit board 5; the inner side of the mounting groove 10 is provided with an adhesive bonding The four sides of the circuit board 5 correspond to the positions of the gluing grooves 7, and the circuit board 5 is fixed to the gluing grooves 7 by glue; the gluing grooves 7 of this structure are used for filling glue; a welding groove 6 is provided on the top side of the mounting groove 10, and the welding groove 6 corresponds to the positions of the four sides of the rear cover 1, and the rear cover 1 is fixed to the welding groove 6 by welding; the welding groove 6 of this structure is used for soldering; a copper ring 3 is provided on the outer shell 2, and the copper ring 3 is located on one side of the air inlet 4; the air inlet 4 of this structure is used for gas entry; an opening is provided on the other side of the outer shell 2, and a pin 9 is provided inside the opening; this structure is as shown in the attached manual Figure 2 As shown, the left side of the pin 9 is in a horizontal structure. The setting of this structure can ensure that the pin 9 does not bend during use, thereby ensuring the service life of the pin 9; a circuit board 5 is installed inside the mounting groove 10, and the circuit board 5 is glued and fixed to the mounting groove 10. A rear cover plate 1 is provided on the top of the outer shell 2, and the rear cover plate 1 is welded and fixed to the outer shell 2, and the pin 9 is bonded to one side of the circuit board 5; the pin 9 of this device is connected to the circuit board 5 by bonding equipment, and the outer shell 2 and the rear cover plate 1 are welded and fixed by welding equipment.

[0023] Working principle: When using the atmospheric pressure sensor with a dustproof and waterproof structure, first use a dispensing device to dispense glue into the gluing groove 7 to degas, then install the circuit board 5 into the installation groove 10, and make the four sides of the circuit board 5 bond with the glue inside the gluing groove 7, and then use high temperature to fix it. After the curing work is completed, use a bonding device to bond the circuit board 5 and the pin 9 using a bonding wire to connect, and then the circuit board 5 is cured at room temperature at the glue dispensed part and the rear cover 1 is assembled. During assembly, place the rear cover 1 into the welding groove 6 on the top of the outer shell 2, and use welding equipment to fix the rear cover 1 to the outer shell 2. After the welding is completed, test the airtightness and the entire assembly is completed.

[0024] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An atmospheric pressure sensor with a dustproof and waterproof structure, comprising an outer shell (2), characterized in that: The outer shell (2) is provided with a mounting groove (10), a circuit board (5) is installed in the mounting groove (10), the circuit board (5) is glued and fixed to the mounting groove (10), a rear cover (1) is provided on the top of the outer shell (2), the rear cover (1) is welded and fixed to the outer shell (2), and a pin (9) is bonded to one side of the circuit board (5).

2. The atmospheric pressure sensor with a dustproof and waterproof structure according to claim 1, characterized in that: A supporting foot (8) is fixedly connected to the inner wall of the installation groove (10), and the supporting foot (8) is located on the top of the circuit board (5).

3. The atmospheric pressure sensor with a dustproof and waterproof structure according to claim 2, characterized in that: The supporting legs (8) are distributed at least two on each of the four sides of the inner wall of the mounting groove (10) to ensure the stability of the circuit board (5).

4. The atmospheric pressure sensor with a dustproof and waterproof structure according to claim 1, characterized in that: A gluing groove (7) is provided inside the installation groove (10), and the four sides of the circuit board (5) correspond to the positions of the gluing groove (7), and the circuit board (5) and the gluing groove (7) are fixed by glue.

5. The atmospheric pressure sensor with a dustproof and waterproof structure according to claim 2, characterized in that: A welding groove (6) is provided on the top side of the installation groove (10), the welding groove (6) corresponds to the four sides of the rear cover plate (1), and the rear cover plate (1) and the welding groove (6) are welded and fixed.

6. The atmospheric pressure sensor with a dustproof and waterproof structure according to claim 1, characterized in that: A copper ring (3) is provided on the outer shell (2), and the copper ring (3) is located on one side of the air inlet (4).

7. The atmospheric pressure sensor with a dustproof and waterproof structure according to claim 1, characterized in that: An opening is provided on the other side of the outer shell (2), and a pin (9) is provided inside the opening.

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