CN217112261U

CN217112261U - Gas sensor device

Info

Publication number: CN217112261U
Application number: CN202220319977.XU
Authority: CN
Inventors: 余涛; 胡海梅; 曹衡
Original assignee: Changhong Meiling Co Ltd
Current assignee: Changhong Meiling Co Ltd
Priority date: 2022-02-17
Filing date: 2022-02-17
Publication date: 2022-08-02
Anticipated expiration: 2032-02-17

Abstract

The utility model discloses a gas sensor device, which comprises a control panel, a gas sensor body and a fixed frame, wherein a cavity body is arranged on the inner bottom surface of the fixed frame; the opening end of the fixing frame is provided with a supporting plate; the control panel is arranged on the support plate, the gas sensor body is arranged on the control panel, and the cavity body corresponds to the gas sensor body in position; a supporting frame is arranged in the cavity; a waterproof breathable film is arranged between the inner bottom surface of the cavity body and the supporting frame; a wire harness is led out from one side of the control plate; the wiring harness penetrates through the fixing frame to be connected with the connecting terminal. The utility model discloses a set up cavity body cladding gas sensor on the mount, promoted gas sensor's sensitivity to support waterproof ventilated membrane through setting up the support frame, prevent waterproof ventilated membrane turn-up or drop, the life of extension sensor.

Description

Gas sensor device

Technical Field

The utility model belongs to the technical field of the refrigerator accessory, especially, relate to a gas sensor device.

Background

The food spoilage volatile peculiar smell is mainly generated by decomposing protein in the food by microorganisms, so that the concentration of the peculiar smell of the food can reflect the freshness of the food. The gas sensor converts the information related to the type and concentration of the gas into the change of electric signals, and achieves qualitative and quantitative identification and judgment of the gas to be detected in the environment according to the change of the electric signals, thereby realizing real-time detection, monitoring and alarm of the gas.

Patent document cn201710085593.x discloses a gas sensor device capable of taking into account both low power consumption and high sensitivity by a plurality of gas sensor elements and a plurality of switches.

Patent document CN201711322268.7 discloses a gas sensor that can effectively recognize whether there is a target gas or not and determine a gas sampling point even when the base resistance is unstable.

Patent document CN201480054761.3 discloses a gas sensor module that improves selectivity and sensitivity with respect to a target gas by dissolving the target gas in an aqueous solution to sense a pH change of the aqueous solution.

The industry is mainly directed at the sensor implementation mode of detecting gas and improving sensitivity and is less researched for improving the sensitivity of the gas sensor, prolonging the service life and expanding the application scene through the design of a basic structure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gas sensor device through set up cavity body cladding gas sensor on the mount, has promoted gas sensor's sensitivity to support waterproof ventilated membrane through setting up the support frame, prevent waterproof ventilated membrane turn-up or drop, prolong the life of sensor.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a gas sensor device, which comprises a control panel, a gas sensor body and a fixed frame, wherein a cavity body is arranged on the inner bottom surface of the fixed frame; a supporting plate is arranged at the opening end of the fixing frame; the control panel is arranged on the support plate, the gas sensor body is arranged on the control panel, and the cavity body corresponds to the gas sensor body in position; a supporting frame is arranged in the cavity; a waterproof breathable film is arranged between the inner bottom surface of the cavity body and the supporting frame; a wiring harness is led out from one side of the control panel; the wire harness penetrates through the fixing frame to be connected with the connecting terminal.

Furthermore, the structure of the cavity body is the same as that of the support frame, and the cavity body and the support frame are both in a trapezoidal structure.

Furthermore, the inner side surface of the cavity body is attached to the outer side surface of the support frame.

Furthermore, the inner bottom surface of the cavity body is provided with hollow-out air holes.

Furthermore, the inner bottom surface of the support frame is provided with air holes, and the air holes are matched with the hollow air holes.

Furthermore, be equipped with the elasticity buckle on the connecting terminal, connecting terminal and host computer connection.

The utility model discloses following beneficial effect has:

the utility model discloses a set up cavity body cladding gas sensor on the mount, promoted gas sensor's sensitivity to support waterproof ventilated membrane through setting up the support frame, prevent waterproof ventilated membrane turn-up or drop, the life of extension sensor.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic diagram of a gas sensor device;

FIG. 2 is a side view of a gas sensor device;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

fig. 4 is a schematic structural view of the support frame.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention relates to a gas sensor device, which comprises a control board 1, a gas sensor body 2 and a fixing frame 3,

a cavity body 301 is arranged on the inner bottom surface of the fixed frame 3; the inner bottom surface of the cavity body 301 is provided with hollow-out air holes 302; a supporting plate 303 is arranged at the opening end of the fixed frame 3;

the control panel 1 is arranged on the support plate 303, the gas sensor body 2 is arranged on the control panel 1, and the cavity body 301 corresponds to the gas sensor body 2 in position;

a supporting frame 5 is arranged in the cavity body 301; the inner bottom surface of the support frame 5 is provided with a vent hole 501, and the vent hole 501 is matched with the hollowed vent hole 302; a waterproof breathable film 4 is arranged between the inner bottom surface of the cavity body 301 and the support frame 5;

the structure of the cavity body 301 is the same as that of the support frame 5, the cavity body 301 and the support frame 5 are both in a trapezoidal structure, and the inner side surface of the cavity body 301 is attached to the outer side surface of the support frame 5;

a wiring harness 6 is led out from one side of the control panel 1; the wiring harness 6 penetrates through the fixing frame 3 and is connected with the connecting terminal 7; be equipped with the elasticity buckle on connecting terminal 7, connecting terminal 7 is connected with the host computer, and connecting terminal 7 passes through the elasticity buckle to be fixed on the interface of host computer.

The working principle of the device is as follows: when the gas sensor device works, gas passes through the hollow air holes 302 on the cavity body 301, and water is filtered by the waterproof breathable film 4 to reach the cavity of the fixing frame 3, so that the gas and the sensitive material of the gas sensor body 2 are reflected, and the gas and the sensitive material are converted into electric signals through the control panel 1 and then are transmitted to the host acquisition system. In order to prevent waterproof ventilated membrane 4 turn-up or drop, through set up support frame 5 in the 3 cavitys of mount, the cavity body 301 structure of 5 structures of support frame and mount 3 is unanimous, and the installation of the internal wall of laminating cavity, prevents support frame 5 aversion through the 1 pressfitting of control panel to ensure waterproof ventilated membrane 4 not deciduate, prolong the life of sensor.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A gas sensor device, characterized by: comprises a control panel (1), a gas sensor body (2) and a fixing frame (3),

a cavity body (301) is arranged on the inner bottom surface of the fixed frame (3); a supporting plate (303) is arranged at the opening end of the fixed frame (3);

the control panel (1) is arranged on the support plate (303), the gas sensor body (2) is arranged on the control panel (1), and the cavity body (301) corresponds to the gas sensor body (2);

a supporting frame (5) is arranged in the cavity body (301); a waterproof breathable film (4) is arranged between the inner bottom surface of the cavity body (301) and the support frame (5);

a wiring harness (6) is led out from one side of the control plate (1); the wiring harness (6) penetrates through the fixing frame (3) and is connected with the connecting terminal (7).

2. A gas sensor device according to claim 1, wherein the hollow cavity (301) and the supporting frame (5) have the same structure, and the hollow cavity (301) and the supporting frame (5) have a trapezoidal structure.

3. A gas sensor device according to claim 2, wherein the inner side of the hollow body (301) is attached to the outer side of the support (5).

4. A gas sensor device according to claim 1, wherein the inner bottom surface of the hollow cavity (301) is provided with a hollowed-out vent (302).

5. The gas sensor device as claimed in claim 1, wherein the inner bottom surface of the support frame (5) is provided with a vent hole (501), and the vent hole (501) is matched with the hollowed vent hole (302).

6. A gas sensor device according to claim 1, wherein the connection terminal (7) is provided with an elastic buckle, and the connection terminal (7) is connected with an upper computer.