CN211785458U

CN211785458U - Plug-and-play gas sensor detection device

Info

Publication number: CN211785458U
Application number: CN202020496362.5U
Authority: CN
Inventors: 罗海潮
Original assignee: Shenzhen Wandi Technology Co ltd
Current assignee: Shenzhen Wandi Technology Co ltd
Priority date: 2020-04-08
Filing date: 2020-04-08
Publication date: 2020-10-27
Anticipated expiration: 2030-04-08

Abstract

The utility model discloses a plug-and-play's gas sensor detection device, include by epitheca and inferior valve lock joint in forming the shell spare that holds the chamber, it has first PCB board, second PCB board and sensor to hold the intracavity encapsulation, the sensor seat is located hold chamber lower part and its lower extreme response face with the bleeder vent of inferior valve forms waterproof construction, and its upper end is inserted and is established and be fixed in on the plate body of second PCB board, second PCB board and its upside first PCB board arranges female electric connection through row's needle and both components that form set firmly in on the shell spare, a plurality of stitches on the first PCB board are passed epitheca top surface and one section distance of outside extension are in order to form plug-and-play structure, the epitheca is equipped with the gas outlet, be formed with the process between bleeder vent, the gas outlet the air flue of sensor. The utility model discloses a stitch PCB board + data processing PCB board satisfies the diversified structure of sensor, also makes the sensor form plug-and-play structure after being encapsulated.

Description

Plug-and-play gas sensor detection device

Technical Field

The utility model relates to a sensor technical field, specific saying so relates to a plug-and-play's gas sensor detection device.

Background

The sensors for gas detection in the current market are various in types, different in detection principle, different in overall dimension and stitch and the like; in order to solve the problem of sensor diversity, various sensors are uniformly packaged, and the following packaging schemes exist in the industry:

1. the embedment scheme is with sensor and PCB circuit embedment at the shell, and this kind of mode sensor can not diversified change and maintenance.

2. The sensor and the PCB circuit are fixed in the metal air chamber by using the metal air chamber with a large volume, which is very costly.

SUMMERY OF THE UTILITY MODEL

To the not enough among the prior art, the to-be-solved technical problem of the utility model lies in providing a plug and play's gas sensor detection device, and the purpose of designing this sensor detection device has solved traditional technique compatibility poor, inconvenient change maintenance, with high costs and can not plug and play's problem.

In order to solve the technical problem, the utility model discloses a following scheme realizes: the utility model discloses a plug-and-play's gas sensor detection device, include by epitheca and inferior valve lock joint in forming the shell spare that holds the chamber, it has first PCB board, second PCB board and sensor to hold the intracavity encapsulation, the sensor seat is located hold chamber lower part and its lower extreme response face with the bleeder vent of inferior valve forms waterproof construction, and its upper end is inserted and is established and be fixed in on the plate body of second PCB board, second PCB board and its upside first PCB board arrange female electric connection through the row needle and both components that form set firmly in on the shell spare, a plurality of stitches on the first PCB board pass epitheca top surface and one section distance of outside extension are in order to form plug-and-play structure, the epitheca is equipped with the gas outlet, be formed with the process between bleeder vent, the gas outlet the air flue of sensor.

Further, the first PCB is a signal processing PCB.

Furthermore, the second PCB board is a pin PCB board.

Furthermore, the air holes are formed in the bottom surface of the lower shell and are opposite to the sensing surface of the sensor, and the waterproof and breathable film with one-way ventilation is attached to the air holes.

Furthermore, the waterproof structure is that a sealing gasket is arranged at the lower end of the sensor and around the vent hole, and the sealing gasket enables a sealing structure to be formed between the sensor and the lower shell.

Furthermore, a fool-proof groove is formed in the corner of the upper shell.

Further, the shell is of a cylindrical structure.

Furthermore, a plurality of pin ring arrays on the first PCB are distributed around the air outlet.

Furthermore, the shell is a plastic shell.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a gas sensor detection device is compatible strong, plastic packaging form with low costs.

2. The utility model discloses a stitch PCB board + data processing PCB board satisfies the diversified structure of sensor.

3. The utility model discloses a stitch PCB board + data processing PCB board makes the sensor form plug-and-play structure after being encapsulated.

4. The utility model discloses a gas sensor detection device can encapsulate into the uniform dimension appearance with multiple sensor.

5. The utility model discloses a gas sensor detection device is small, and it is convenient to change, and is with low costs.

6. The utility model discloses a gas sensor detection device output stitch is unanimous, and unified signal processing accomplishes the plug-and-play of heterogeneous sensor.

7. The utility model discloses a gas sensor detection device appearance is exquisite firm.

Drawings

Fig. 1 is a schematic view of the three-dimensional structure of the gas sensor detection device of the present invention.

Fig. 2 is a cross-sectional view of the gas sensor detecting device of the present invention.

Detailed Description

The technical solution 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, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making more clear and definite definitions of the protection scope of the present invention. It is obvious that the described embodiments of the invention are only some of the embodiments of the invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships 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 specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Example 1: the utility model discloses a concrete structure as follows:

referring to fig. 1-2, the plug-and-play gas sensor detecting device of the present invention comprises a housing member having a cavity formed by buckling an upper housing 1 and a lower housing 6, a first PCB (printed circuit board) 2, a second PCB 3 and a sensor 4 are sealed in the cavity, the sensor 4 is arranged at the lower part of the cavity, the lower sensing surface of the sensor 4 and the air holes of the lower shell 6 form a waterproof structure, the upper end of the second PCB is inserted and fixed on the plate body of the second PCB 3, the second PCB 3 is electrically connected with the first PCB 2 on the upper side of the second PCB through a pin header nut, and the assembly formed by the second PCB and the first PCB is fixedly arranged on the shell, a plurality of pins 21 on the first PCB 2 penetrate the top surface of the upper case 1 and extend outwardly for a distance to form a plug-and-play structure, the upper shell 1 is provided with an air outlet 12, and an air passage passing through the sensor 4 is formed between the air hole and the air outlet 12.

A preferred technical solution of this embodiment: the first PCB 2 is a signal processing PCB.

A preferred technical solution of this embodiment: the second PCB 3 is a pin PCB.

A preferred technical solution of this embodiment: the air holes are formed in the bottom surface of the lower shell 6 and are opposite to the sensing surface of the sensor 4, and a waterproof and breathable film 7 with one-way ventilation is pasted on the air holes.

A preferred technical solution of this embodiment: the waterproof structure is that a sealing gasket 5 is arranged at the lower end of the sensor 4 and around the vent hole, and a sealing structure is formed between the sensor 4 and the lower shell 6 by the sealing gasket 5.

A preferred technical solution of this embodiment: the corner of the upper shell 1 is provided with a fool-proof groove 11.

A preferred technical solution of this embodiment: the shell is of a cylindrical structure.

A preferred technical solution of this embodiment: a plurality of annular arrays of pins 21 on the first PCB 2 are distributed around the air outlet 12.

A preferred technical solution of this embodiment: the shell is a plastic shell. Of course, the housing is not limited to a plastic housing, and a metal housing is also feasible, but the use of a plastic housing can save costs in view of cost.

Example 2:

the utility model discloses gas sensor detection device's theory of operation: the utility model discloses the overall dimension and the stitch of gas sensor detection device encapsulation are unanimous, and main part instrument department is equipped with the same needle tubing connection structure, consequently, multiple type of gas sensor encapsulates the back and all can be connected with the main part. The utility model discloses a sensor 4's demarcation parameter is preserved in signal processing PCB board (being first PCB board 2), and sensor 4 encapsulates and can be connected the use with arbitrary one main part instrument. The gas diffusion that is detected passes waterproof ventilated membrane 7, is detected by sensor 4, and the detected signal sends signal processing PCB board through stitch PCB board (second PCB board 3), passes through at last MCU on the signal processing PCB board is handled data, and the signal after the processing is passed into main part instrument through stitch 21, accomplishes gas detection.

To sum up, the utility model discloses a gas sensor detection device is compatible strong, plastic packaging form with low costs. The utility model discloses a stitch PCB board + data processing PCB board satisfies the diversified structure of sensor, and it can also make the sensor can be plug-and-play after being encapsulated. The utility model discloses a gas sensor detection device can encapsulate into the uniform size appearance with multiple sensor, the utility model discloses a gas sensor detection device is small, and it is convenient to change, and is with low costs, the utility model discloses a gas sensor detection device output stitch is unanimous, and unified signal processing accomplishes different types of sensor plug-and-play, the utility model discloses a gas sensor detection device appearance is exquisite firm.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same way in the protection scope of the present invention.

Claims

1. A plug-and-play gas sensor detection device comprises a shell member which is formed by buckling an upper shell (1) and a lower shell (6) and is internally provided with a containing cavity, and is characterized in that a first PCB (2), a second PCB (3) and a sensor (4) are sealed in the containing cavity, the sensor (4) is seated at the lower part of the containing cavity, the lower end sensing surface of the sensor and a vent hole of the lower shell (6) form a waterproof structure, the upper end of the sensor is inserted and fixed on a plate body of the second PCB (3), the second PCB (3) and the first PCB (2) at the upper side of the second PCB are electrically connected through a pin arranging nut, a component formed by the second PCB and the first PCB are fixedly arranged on the shell member, a plurality of pins on the first PCB (2) penetrate through the top surface of the upper shell (1) and extend outwards for a certain distance to form a plug-and-play structure, the upper shell (1) is provided with a gas outlet (12, an air passage passing through the sensor (4) is formed between the air hole and the air outlet (12).

2. A plug and play gas sensor test set as claimed in claim 1, wherein said first PCB board (2) is a signal processing PCB board.

3. A plug and play gas sensor testing device according to claim 1, wherein said second PCB board (3) is a pin PCB board.

4. The plug-and-play gas sensor detection device according to claim 1, wherein said air hole is provided on the bottom surface of said lower case (6) and facing the sensing surface of said sensor (4), and a waterproof and air permeable membrane (7) with one-way air permeability is attached to said air hole.

5. The plug-and-play gas sensor test device according to claim 1, wherein said waterproof structure is a gasket (5) fitted at the lower end of said sensor (4) around said vent hole, said gasket (5) forming a seal structure between said sensor (4) and said lower case (6).

6. Plug-and-play gas sensor detection device according to claim 1, characterized in that the corners of the upper shell (1) are provided with fool-proof grooves (11).

7. The plug-and-play gas sensor testing device of claim 1, wherein said housing member is of cylindrical configuration.

8. A plug-and-play gas sensor testing device according to claim 1, wherein a plurality of pin ring arrays on said first PCB board (2) are distributed around said gas outlet (12).

9. The plug-and-play gas sensor testing device of claim 1, wherein said housing is a plastic housing.