CN219915532U

CN219915532U - Portable gas detector

Info

Publication number: CN219915532U
Application number: CN202223398401.6U
Authority: CN
Inventors: 高岗; 陈金炼
Original assignee: Indsci Sensing Instr Shanghai Co ltd
Current assignee: Indsci Sensing Instr Shanghai Co ltd
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-10-27
Anticipated expiration: 2032-12-19

Abstract

The utility model relates to the technical field of gas detection, in particular to a portable gas detector, which comprises: a housing, and a controller motherboard mounted within the housing; the front elevation of casing has set gradually from last to down: an air inlet detection grid area, a display screen installation area, a gas surface pasting area and a functional area; wherein, a gas detection sensor is arranged in the air inlet detection grid area; a display screen is arranged in the display screen installation area, a menu switching key, a menu selection key and a buzzer are arranged in the functional area, and the gas detection sensor, the display screen, the menu switching key, the menu selection key and the buzzer are all in signal connection with the controller main board; the back elevation of the shell is provided with a back clamp.

Description

Portable gas detector

Technical Field

The utility model relates to the technical field of gas detection, in particular to a portable gas detector.

Background

The gas detector is an instrument for detecting gas leakage concentration, and comprises: portable gas detector, hand-held gas detector, stationary gas detector, on-line gas detector, etc. Gas sensors are mainly used for detecting the gas species present in the environment, and are sensors for detecting the composition and content of the gas.

At present, a gas detector is used for detecting gas in the environment by connecting a controller with a gas detection sensor, the controller identifies gas components and content according to detection signals fed back by the gas detection sensor, and gives out audible and visual alarms when the detection signals are abnormal, if toxic gas exists, and the concentration of target detection gas is higher than a threshold value or lower than the threshold value, and the like. In view of this, it is possible to provide a device for controlling the flow of liquid. In view of this, we propose a portable gas detector.

Disclosure of Invention

The present utility model is directed to a portable gas detector, which solves the above-mentioned problems of the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

a portable gas detector comprising: a housing, and a controller motherboard mounted within the housing; the front elevation of casing has set gradually from last to down: an air inlet detection grid area, a display screen installation area, a gas surface pasting area and a functional area; wherein, a gas detection sensor is arranged in the air inlet detection grid area; a display screen is arranged in the display screen installation area, a menu switching key, a menu selection key and a buzzer are arranged in the functional area, and the gas detection sensor, the display screen, the menu switching key, the menu selection key and the buzzer are all in signal connection with the controller main board; the back elevation of the shell is provided with a back clamp.

Preferably, the front elevation of the shell is positioned at one side of the display screen installation area and is also provided with a product model surface pasting area.

Preferably, the controller main board is also integrally provided with a charge-discharge storage battery.

Preferably, a plurality of groups of annularly distributed grille openings are arranged on the air inlet detection grille area, and a filter screen is arranged in each grille opening.

Preferably, the inner wall of the grid port is provided with a backflow preventing protrusion.

Compared with the prior art, the utility model has the beneficial effects that: according to the portable gas detector, the functional elements connected with the main board signal of the controller are correspondingly installed on a plurality of subareas arranged on the front vertical face of the shell to detect the gas to be detected, and the type of the gas to be detected can be recorded by sticking labels, so that the detection range information of the detector can be conveniently identified; in addition, the filter screen and the backflow prevention bulges are arranged in the multiple groups of grid openings arranged on the air inlet detection grid area, so that large-particle dust can be prevented from entering the shell to a certain extent, the main board of the controller is damaged, the contact time of the gas detection sensor and the gas is prolonged, and the detection sensitivity is improved; therefore, the gas detector has compact overall structure, complete functions and convenient carrying and use.

Drawings

FIG. 1 is a front elevational view of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of a motherboard of a controller according to the present utility model;

FIG. 3 is a side cross-sectional view of the overall structure of the present utility model;

FIG. 4 is a schematic view of the structure of the grille shutter according to the present utility model.

In the figure: 1. a housing; 11. an intake detection grill area; 111. a grille opening; 112. a filter screen; 113. a backflow prevention protrusion; 12. a display screen installation area; 13. a gas facing zone; 14. a functional area; 15. a back clip; 16. a product model face pasting area;

2. a controller motherboard; 21. a gas detection sensor; 22. a display screen; 23. a menu switching key; 24. a menu selection key; 25. a buzzer; 26. and (5) charging and discharging the storage battery.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of this patent, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the terms in this patent will be understood by those of ordinary skill in the art as the case may be. In the description of the present utility model, "multiple" means two or more unless specifically defined otherwise.

Referring to fig. 1-4, the present utility model provides a technical solution:

a portable gas detector comprising: a housing 1, and a controller motherboard 2 mounted in the housing 1; the front elevation of the shell 1 is provided with: an air inlet detection grid area 11, a display screen installation area 12, a gas surface pasting area 13 and a functional area 14; wherein a gas detection sensor 21 is provided in the intake detection grill area 11; a display screen 22 is arranged in the display screen installation area 12, a menu switching key 23, a menu selection key 24 and a buzzer 25 are arranged in the functional area 14, and the gas detection sensor 21, the display screen 22, the menu switching key 23, the menu selection key 24 and the buzzer 25 are all in signal connection with the controller main board 2; the rear elevation of the housing 1 is provided with a back clip 15. Therefore, the gas detector is provided with the controller main board 2 in the shell 1, and a plurality of partitions arranged through the front vertical face of the gas detector are respectively and correspondingly provided with the gas detection sensor 21, the display screen 22, the menu switching key 23, the menu selection key 24 and the buzzer 25 which are connected with the controller main board 2 in a signal mode, the gas to be detected is detected, and the reserved gas surface pasting area 13 can be pasted with labels to record the type of the gas to be detected, so that a user can conveniently identify the detection range information of the gas detector, and the gas detector is compact in overall structure and convenient to carry and use.

It should be noted that the front vertical surface of the housing 1 is located at one side of the display screen mounting area 12 and is further provided with a product model face attaching area 16. The user can conveniently recognize the product information such as the functional parameters of the detector through the set product model surface pasting area 16.

Specifically, the controller motherboard 2 is also integrally provided with a charge-discharge battery 26. The controller main board 2 can be powered by the arranged charge and discharge storage battery 26, so as to provide the cruising ability of electricity during outdoor operation.

In addition, a plurality of groups of annularly distributed grille openings 111 are arranged on the air inlet detection grille area 11, and a filter screen 112 is arranged in the grille openings 111. The detection gas can be filtered by arranging the filter screen 112 in the grid opening 111, so that large-particle dust is prevented from entering the shell 1 to damage the controller main board 2.

Specifically, the inner wall of the grill opening 111 is provided with the backflow preventing protrusion 113. The anti-backflow protrusion 113 in this embodiment is provided with an inclined plane and a straight plane, and the inclined direction of the inclined plane is set inwards along the opening at the outer side of the grille opening 111, so that a certain gas blocking effect can be formed in the grille opening 111, when air is introduced, the air enters the grille opening 111 along the inclined plane to contact with the gas detection sensor 21, after air is introduced, the air cannot immediately overflow from the grille opening 111 under the blocking of the straight plane, the contact time of the gas detection sensor 21 and the air is prolonged, and the detection sensitivity is improved.

It should be noted that, in this embodiment, the gas detection sensor 21, the display screen 22, the menu switch key 23, the menu selection key 24 and the buzzer 25 which are connected by signals of the controller main board 2 detect the gas to be detected, the controller main board 2 can be used for loading a gas detection program, then identifying the components and the content of the gas to be detected according to the detection signal fed back by the gas detection sensor 21, and alarming and prompting the gas to be detected through the buzzer 25 when the gas detection is abnormal, all the functions are in the prior art, and can be completely realized by those skilled in the art, and the utility model does not involve improvement of a circuit and is not repeated here.

When the portable gas detector of the embodiment is used, the gas detection sensor 21, the display screen 22, the menu switching key 23, the menu selection key 24 and the buzzer 25 which are in signal connection with the controller main board 2 are respectively and correspondingly installed through a plurality of subareas arranged on the front vertical face of the controller main board 2 by installing the controller main board 2 in the shell 1, the gas to be detected can be detected, and the type of the gas to be detected can be recorded by the reserved gas surface pasting area 13 through pasting labels, so that a user can conveniently identify the detection range information of the gas detector;

in addition, the filter screen 112 and the backflow preventing protrusions 113 are arranged in the multiple groups of grid openings 111 arranged on the air inlet detection grid region 11, so that large-particle dust can be prevented from entering the shell 1 to damage the controller main board 2 to a certain extent, and air to be detected enters the grid openings 111 along the inclined planes of the backflow preventing protrusions 113 to contact with the air detection sensor 21 during air inlet, and after air inlet, the air cannot immediately overflow from the grid openings 111 under the blocking of the straight surfaces of the backflow preventing protrusions 113, so that the contact time of the air detection sensor 21 and the air is prolonged, and the detection sensitivity is improved;

therefore, the gas detector has compact overall structure, complete functions and convenient carrying and use.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A portable gas detector, comprising: a housing (1), and a controller motherboard (2) mounted within the housing (1);

the front elevation of the shell (1) is sequentially provided with: an air inlet detection grid area (11), a display screen installation area (12), a gas surface pasting area (13) and a functional area (14); wherein a gas detection sensor (21) is arranged in the air inlet detection grid zone (11); a display screen (22) is arranged in the display screen installation area (12), a menu switching key (23), a menu selection key (24) and a buzzer (25) are arranged in the functional area (14), and the gas detection sensor (21), the display screen (22), the menu switching key (23), the menu selection key (24) and the buzzer (25) are all in signal connection with the controller main board (2);

a back clamp (15) is arranged on the rear elevation of the shell (1);

a plurality of groups of annularly distributed grid openings (111) are arranged on the air inlet detection grid area (11), and a filter screen (112) is arranged in each grid opening (111);

the inner wall of the grid opening (111) is provided with a plurality of groups of backflow prevention bulges (113).

2. The portable gas detector according to claim 1, wherein: the front elevation of the shell (1) is positioned at one side of the display screen installation area (12) and is also provided with a product model surface pasting area (16).

3. The portable gas detector according to claim 1, wherein: and a charging and discharging storage battery (26) is also integrally arranged on the controller main board (2).