CN218847483U

CN218847483U - Pressure sensor device capable of filtering water vapor

Info

Publication number: CN218847483U
Application number: CN202223211151.0U
Authority: CN
Inventors: 曹必涛; 李碧巧; 夏华龙
Original assignee: Shanghai Aijia Electronic Technology Co ltd
Current assignee: Shanghai Aijia Electronic Technology Co ltd
Priority date: 2022-12-01
Filing date: 2022-12-01
Publication date: 2023-04-11
Anticipated expiration: 2032-12-01

Abstract

The utility model provides a but pressure sensor device of filtration steam, including electrical apparatus connector, circuit board, sealing device one, clamp ring one, waterproof ventilated membrane one, shell, waterproof ventilated membrane two, clamp ring two. One end of the shell is provided with a circuit board groove, a first sealing groove and a first waterproof breathable film groove, and the other end of the shell is provided with a vent hole. And the first sealing device, the first waterproof breathable film and the first compression ring are respectively arranged in the shell, and the first sealing device is compressed after the electrical appliance connector is connected with the circuit board and then is arranged in the shell. The gas flow realizes the waterproof and breathable functions through the waterproof and breathable film. And the electric appliance connector is provided with a waterproof breathable film II. In addition, the first waterproof breathable film and the second waterproof breathable film can be fixed by using an adhesive. The utility model discloses spare part is few, and processing is convenient, and the equipment is simple, and production efficiency is high, and is with low costs, and market competition advantage is obvious. Moreover, the pressure sensor device capable of filtering water vapor can realize the waterproof and breathable performance of the absolute pressure sensor and the waterproof and breathable performance of the relative pressure sensor.

Description

Pressure sensor device capable of filtering water vapor

Technical Field

The utility model belongs to the technical field of automotive electronics, especially, relate to a filterable steam's pressure sensor device who uses on car.

Background

The atmospheric pressure varies with the altitude, for example, the atmospheric pressure at the top of the tibetan plateau and the atmospheric pressure at the bottom of the truana basin differ greatly. In recent years, with the rapid development of smart driving and unmanned driving, the automobile control system is required to provide an accurate atmospheric pressure value, and thus, a high requirement is made on the pressure sensor device. The schematic diagram of the pressure sensor device capable of filtering water vapor, which is commonly used in the same industry at present, is shown in fig. 1 and fig. 2, and the pressure sensor device capable of filtering water vapor in the prior art comprises an electric appliance connector (1), a circuit board (2), a first sealing device (3), a shell (4), a second sealing device (5), a support (6), a third sealing device (7), a fixing nut (8), a first waterproof breathable film (9), a fourth sealing device (10) and a plug (11). A first cavity (1B) is formed in the upper end of the electrical appliance connector (1), a second cavity (1C) is formed in the lower end of the electrical appliance connector (1), a terminal (1A) is formed in the middle of the electrical appliance connector, and the terminal (1A) extends into the first cavity (1B) and the second cavity (1C) respectively. The upper end of the shell (4) is provided with a cavity III (4A), and a step-shaped circuit board groove (4C) and a step-shaped sealing groove I (4B) are arranged in the cavity III (4A). The lower end face of the shell is internally provided with a vent hole (4F) and is externally provided with an external thread (4E). A wrench position (4L) is arranged in the middle of the outer side of the shell (4), and a second sealing groove (4D) is arranged below the wrench position (4L) towards the thread side. The first sealing device (3) is arranged in a first sealing groove (4B) of the shell (4), the circuit board (2) is communicated with a terminal (1A) of the electrical appliance connector (1) and then penetrates into the third cavity (4A), the circuit board (2) is arranged in a circuit board groove (4C) to press the first sealing device (3), and the second sealing device (5) is arranged in a second sealing groove (4D). Sealing device three (7) is installed into sealing groove three (8A), and after installing groove (8C) was installed in waterproof ventilated membrane one (9), installing groove (8C) was installed into in sealing device four (10), and installing groove (8C) and compress tightly sealing device four (10) and waterproof ventilated membrane one (9) are packed into in the mounting protrusion (11B) of end cap (11). The external thread (4E) of the shell (4) penetrates through the support hole (61) of the support (6), the internal thread (8B) of the fixing nut (8) is screwed with the external thread (4E) of the shell (4), and the sealing device II (5) and the sealing device III (7) are compressed. And the air source flows into the waterproof breathable film I (9) from the plug vent hole (11A) to filter water vapor. The prior art has the defects of more parts, complex structure, difficult processing and assembly, low product processing and production efficiency, high cost and limited market competitive advantage. And the pressure sensor device of filterable steam of prior art only one side establishes waterproof ventilated membrane, only is applicable to the condition of vacuum with surveyed atmospheric pressure value contrast, absolute pressure sensor's use scene promptly, is not suitable for the situation of pressure contrast between two kinds of ambient gas that are surveyed, relative pressure sensor's use scene promptly.

There is therefore still room for improvement in the prior art solutions.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that, to the not enough of above-mentioned prior art, improve product design, reduce spare part figure, improve processing and assembly process, improve product processing and packaging efficiency.

In order to solve the technical problem, the technical scheme of the utility model provides a pressure sensor device capable of filtering water vapor, which comprises an electric appliance connector, a circuit board, a first sealing device, a first pressing ring, a first waterproof breathable film and a shell; two ends of the electrical appliance connector are respectively provided with a first cavity and a second cavity, the middle part of the electrical appliance connector is provided with a terminal, and the terminal respectively extends into the first cavity and the second cavity; a third cavity is formed in one end of the shell, a circuit board groove and a first sealing groove are formed in the third cavity, a wrench position is arranged in the middle of the outer side of the shell, a vent hole is formed in the other end of the shell, and external threads are arranged outside the shell; sealing device I is put into seal groove one, and the circuit board groove is packed into after penetrating into cavity three after the terminal of electrical connector connects with the circuit board, compresses tightly sealing device I, and electrical connector's cavity one end links to each other with the automobile wire harness, establish waterproof ventilative membrane groove one in the cavity three of shell, waterproof ventilative membrane groove one is packed into to waterproof ventilative membrane groove one, and waterproof ventilative membrane groove one compresses tightly waterproof ventilative membrane groove one is packed into to pressing ring one, and the side air vent is established to the external screw thread surface.

Preferably, but above-mentioned pressure sensor device of filterable steam, right the connector air vent is established at electrical apparatus connector middle part, and waterproof ventilative membrane groove two is established to the lateral wall, and waterproof ventilative membrane groove two is packed into to waterproof ventilative membrane groove two, and waterproof ventilative membrane groove two compresses tightly waterproof ventilative membrane two is packed into to the clamp ring two.

Preferably, in the pressure sensor device capable of filtering water vapor, an adhesive is used for replacing the first pressing ring to fix the first waterproof breathable film, and an adhesive is used for replacing the second pressing ring to fix the second waterproof breathable film.

The beneficial effects of the utility model are that: the pressure sensor device capable of filtering water vapor has the advantages of few parts, simple processing and assembling process, high product processing and assembling efficiency, low cost and obvious market competitive advantage. And, the utility model discloses both can realize absolute pressure sensor's waterproof ventilative, can realize relative pressure sensor's waterproof ventilative again. The shell is provided with a waterproof breathable film, and the waterproof breathable film is suitable for the absolute pressure sensor. The electric appliance connector is provided with a waterproof breathable film and the shell is provided with a waterproof breathable film, so that the electric appliance connector is waterproof and breathable and is suitable for the relative pressure sensor.

Drawings

FIG. 1 is a schematic diagram of a prior art moisture filterable pressure sensor apparatus;

FIG. 2 is a schematic diagram (cross-sectional view) of a prior art moisture filterable pressure sensor apparatus;

FIG. 3 is a schematic view of a moisture filterable pressure sensor apparatus of example 1;

FIG. 4 is a schematic view (sectional view) of a moisture filterable pressure sensor apparatus of embodiment 1;

FIG. 5 is a schematic view of a moisture filterable pressure sensor apparatus of embodiment 2;

FIG. 6 is a schematic view of a vapor filterable pressure sensor apparatus according to example 3;

fig. 7 is a schematic view of a moisture filterable pressure sensor apparatus of embodiment 3.

Reference numerals:

1-electric appliance connector; 1A-terminal; 1B-Cavity one; 1C-Cavity two; 1D-connector vent; 1E-a waterproof breathable film groove II;

2-a circuit board;

3-sealing the first device;

4-a housing; 4A-Cavity III; 4B, sealing the groove I; 4C-circuit board slot; 4D, a second sealing groove; 4E-external threads; 4F-vent hole; 4G, a side vent hole and a 4H waterproof breathable membrane groove I; 4L-wrench position;

5-sealing device II;

6-a scaffold; 61-bracket holes;

7-sealing device III;

8-fixing a nut; 8A-sealing groove III; 8B-internal thread; 8C-mounting a groove;

9-waterproof breathable film I;

10-sealing device four;

11-plug; 11A-plug vent; 11B-mounting projections;

12-a first compression ring;

13-waterproof breathable film II;

14-a second compression ring;

15-a binder.

Detailed Description

In order to make the present invention more comprehensible, preferred embodiments are described below with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, the terms "center", "front", "rear", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification 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 thus, should not be construed as limiting the present invention.

Example 1

Fig. 3 and 4 are schematic diagrams of the pressure sensor device capable of filtering moisture according to embodiment 1. The pressure sensor device capable of filtering water vapor comprises an electric appliance connector (1), a circuit board (2), a first sealing device (3), a first pressing ring (12), a first waterproof breathable film (9) and a shell (4). A first cavity (1B) is formed in the upper end of the electrical appliance connector (1), a second cavity (1C) is formed in the lower end of the electrical appliance connector (1), a terminal (1A) is formed in the middle of the electrical appliance connector, and the terminal (1A) extends into the first cavity (1B) and the second cavity (1C) respectively. A cavity III (4A) is formed in the upper end of the shell (4), and a step-shaped circuit board groove (4C), a step-shaped sealing groove I (4B) and a step-shaped waterproof breathable film groove I (4H) are formed in the cavity III (4A). The middle part of the outer side of the shell (4) is provided with a wrench position (4L). Establish air vent (4F) in shell (4) lower terminal surface, peripheral hardware external screw thread (4E), side air vent (4G) are established on external screw thread (4E) surface, and side air vent (4G) 4 90 degrees circumference equipartitions. Waterproof ventilative membrane groove (4H) are put into in waterproof ventilative membrane groove (9), waterproof ventilative membrane groove (4H) are packed tightly waterproof ventilative membrane groove (9) in clamp ring (12), seal groove (4B) are put into in sealing device (3), wear into cavity three (4A) and pack into circuit board groove (4C) after putting through with circuit board (2) terminal (1A) that stretch out in the cavity two (1C) of electrical apparatus connector (1), compress tightly sealing device (3), cavity one (1B) end of electrical apparatus connector (1) communicates with the automobile wire harness.

Example 2

Fig. 5 is a schematic view of a moisture filterable pressure sensor apparatus of embodiment 2. The pressure sensor device capable of filtering water vapor comprises an electric appliance connector (1), a circuit board (2), a sealing device I (3), a pressing ring I (12), a waterproof breathable film I (9), a shell (4), a waterproof breathable film II (13) and a pressing ring II (14). The difference from the embodiment 1 is that the middle part of the electric appliance connector (1) is provided with a connector vent hole (1D), and the side wall is provided with a waterproof and breathable membrane groove II (1E). And (3) placing the second waterproof breathable film (13) into the second waterproof breathable film groove (1E), and pressing by using a second pressing ring (14) to fix the second waterproof breathable film in the second waterproof breathable film groove (1E).

Example 3

Fig. 6 and 7 are schematic views of the moisture filterable pressure sensor apparatus of embodiment 3. The pressure sensor device capable of filtering water vapor comprises an electric appliance connector (1), a circuit board (2), a first sealing device (3), a first pressing ring (12), a first waterproof breathable film (9), a shell (4), a second waterproof breathable film (13), a second pressing ring (14) and a bonding agent (15). The difference from the embodiment 1 is that an adhesive (15) is used for replacing the first pressing ring (12) to fix the first waterproof breathable membrane (9) in the first waterproof breathable membrane groove (4H). And (3) fixing the second waterproof breathable film (13) in the second waterproof breathable film groove (1E) by using an adhesive (15) instead of the second pressing ring (14).

The undescribed technical features of the present invention can be realized by the prior art, and are not described herein again. The above description is not intended to limit the present invention, and any modifications made without departing from the spirit and scope of the present invention are also encompassed in the present invention.

Claims

1. A pressure sensor device capable of filtering water vapor comprises an electric appliance connector, a circuit board, a sealing device I, a pressing ring I, a waterproof breathable film I and a shell; two ends of the electrical appliance connector are respectively provided with a first cavity and a second cavity, the middle part of the electrical appliance connector is provided with a terminal, and the terminal respectively extends into the first cavity and the second cavity; a third cavity is formed in one end of the shell, a circuit board groove and a first sealing groove are formed in the third cavity, a wrench position is arranged in the middle of the outer side of the shell, a vent hole is formed in the other end of the shell, and external threads are arranged outside the shell; seal groove one is put into to sealing device one, and the circuit board groove is packed into after three cavities of wearing into after the terminal of electrical apparatus connector switches on with the circuit board, compresses tightly sealing device one, and the cavity one end of electrical apparatus connector links to each other its characterized in that with the automobile wire harness: establish waterproof ventilative membrane groove one in the cavity three of shell, waterproof ventilative membrane groove one is packed into to waterproof ventilative membrane groove one, and waterproof ventilative membrane groove one compresses tightly waterproof ventilative membrane one is packed into to the clamp ring one, and the side air vent is established to the external screw thread surface.

2. The moisture filterable pressure sensor apparatus of claim 1, wherein: the connector air vent is established at electrical apparatus connector middle part, and waterproof ventilative membrane groove two is established to the lateral wall, and waterproof ventilative membrane groove two is packed into to waterproof ventilative membrane groove two, and waterproof ventilative membrane groove two compresses tightly waterproof ventilative membrane two is packed into to clamp ring two.

3. The moisture filterable pressure sensor apparatus of claim 2, wherein: and an adhesive is used for replacing the pressing ring I to fix the waterproof breathable film I, and an adhesive is used for replacing the pressing ring II to fix the waterproof breathable film II.