CN216484979U

CN216484979U - Portable handheld combustible gas leakage concentration detection device

Info

Publication number: CN216484979U
Application number: CN202122647516.3U
Authority: CN
Inventors: 李捷; 关海力; 彭逸飞; 尤一捷
Original assignee: Wuhan Gas Thermal Energy Service Co ltd
Current assignee: Wuhan Gas Thermal Energy Service Co ltd
Priority date: 2021-11-01
Filing date: 2021-11-01
Publication date: 2022-05-10
Anticipated expiration: 2031-11-01

Abstract

The utility model relates to the technical field of combustible gas detection, in particular to a portable handheld combustible gas leakage concentration detection device, which comprises an outer shell and an upper end cover fixedly arranged at the top of the outer shell, wherein the surface of the upper end cover is fixedly communicated with a vent pipe, the surface of the outer shell is fixedly provided with a display screen, one side of the surface of the outer shell, which is close to the display screen, is fixedly provided with a gas outlet cavity, and a gas concentration sensor is fixedly arranged in the gas outlet cavity, it is more convenient to record the measurement information.

Description

Portable handheld combustible gas leakage concentration detection device

Technical Field

The utility model relates to the technical field of combustible gas detection, in particular to a portable handheld combustible gas leakage concentration detection device.

Background

The combustible gas is a substance which can be ignited and is in a gas state at normal temperature and normal pressure, the combustible gas has the general characteristics of gas, one component of the combustible gas is called single gas, the mixture of two or more than two kinds of the combustible gas is called mixed combustible gas, the combustible gas is mixed in a corresponding combustion-supporting medium according to a certain proportion, combustion or explosion can be caused under the action of an ignition source, and the detection of the leakage concentration of the combustible gas is important.

However, in the traditional combustible gas leakage concentration detection device use, owing to be difficult to guarantee that the combustible gas that awaits measuring can in time fully contact with gas concentration sensor probe, the combustible gas that awaits measuring is detained inside the device easily, leads to influencing the testing effect of combustible gas concentration to be not convenient for record measuring information. In view of this, we propose a portable handheld combustible gas leakage concentration detection device.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a portable handheld combustible gas leakage concentration detection device, and aims to solve the problems that in the use process of the traditional combustible gas leakage concentration detection device provided in the background art, because the combustible gas can not be ensured to be in full contact with a gas concentration sensor probe in time, the combustible gas to be detected is easy to stay in the device, the detection effect of the combustible gas concentration is influenced, and the measurement information is inconvenient to record.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a portable handheld combustible gas reveals concentration detection device, including shell body and fixed mounting in the upper end cover at shell body top, the fixed surface intercommunication of upper end cover has the permeability cell, the fixed surface of shell body installs the display screen, one side fixed mounting that the surface of shell body is close to the display screen has the controller, the inside of shell body is located the permeability cell under the fixed chamber that is provided with of position department, the inside fixed mounting who goes out the chamber has gas concentration sensor, the inside fixed mounting of shell body has miniature air pump, the fixed intercommunication of the port of giving vent to anger of miniature air pump has the air duct, the one end of air duct is fixed to be linked together in going out the chamber, the inside bottom mounting of shell body is provided with the battery, the inside bottom of shell body is close to the fixed bluetooth module that is provided with in one side of battery.

Preferably, an exhaust tube is fixedly mounted on the side surface of the outer shell, and an air inlet port of the miniature air pump is communicated with the exhaust tube.

Through setting up the exhaust tube for miniature air pump can inhale combustible gas through the exhaust tube.

Preferably, the fixed surface of controller installs audible-visual annunciator, and gas concentration sensor's output electric connection is in the input of controller, and the output electric connection of controller is in display screen, audible-visual annunciator, miniature air pump and bluetooth module's input.

Through setting up like this, can show gas concentration sensor's monitoring data through the display screen, bluetooth module can be with monitoring data long-range wireless transmission to supporting APP.

Preferably, the bottom of the outer shell is fixedly provided with a lower end cover, and the bottom surface of the lower end cover is provided with a heat dissipation port.

Through setting up the thermovent, can carry out the thermal treatment with the inside heat of shell body through the thermovent.

Preferably, a protective net is fixedly installed on the inner side of the heat dissipation opening, and air-permeable filtering holes are formed in the surface of the protective net.

Through setting up the protection network, prevent that external dust impurity from getting into in the shell through the thermovent.

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

according to the utility model, combustible gas is quickly sucked into the gas outlet cavity through the gas exhaust pipe and the gas guide pipe by the miniature gas pump, so that the combustible gas can be timely and fully contacted with the gas concentration sensor probe, and finally the combustible gas is quickly discharged through the gas outlet cavity and the gas guide pipe, so that the combustible gas to be detected cannot be retained in the device, the measurement precision is favorably ensured, the detection effect of the concentration of the combustible gas is improved, the monitoring data can be remotely and wirelessly transmitted through the Bluetooth module, and the measurement information is more conveniently recorded.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

fig. 3 is a schematic block diagram of a controller according to the present invention.

In the figure: 1. an outer housing; 11. an air exhaust pipe; 12. an air outlet cavity; 13. a battery; 14. a Bluetooth module; 2. an upper end cover; 21. a gas permeable pipe; 3. a display screen; 4. a controller; 5. an audible and visual alarm; 6. a lower end cover; 61. a heat dissipation port; 62. a protective net; 7. a micro air pump; 71. an air duct; 8. a gas concentration sensor.

Detailed Description

The technical solutions 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, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "back", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are used only for convenience in describing the present invention and for simplification of description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-3, a technical solution provided by the present invention is:

a portable handheld combustible gas leakage concentration detection device comprises an outer shell 1 and an upper end cover 2 fixedly installed at the top of the outer shell 1, a vent pipe 21 is fixedly communicated with the surface of the upper end cover 2, a display screen 3 is fixedly installed on the surface of the outer shell 1, a controller 4 is fixedly installed on one side, close to the display screen 3, of the surface of the outer shell 1, a gas outlet cavity 12 is fixedly arranged in the outer shell 1 at a position right below the vent pipe 21, a gas concentration sensor 8 is fixedly installed in the gas outlet cavity 12, a miniature air pump 7 is fixedly installed in the outer shell 1, a gas outlet port of the miniature air pump 7 is fixedly communicated with an air guide pipe 71, one end of the air guide pipe 71 is fixedly communicated with the gas outlet cavity 12, so that the miniature air pump 7 can transmit combustible gas into the gas outlet cavity 12 through the air guide pipe 71, and the gas concentration sensor 8 can monitor the concentration of the combustible gas passing through the gas outlet cavity 12, the inside bottom mounting of shell body 1 is provided with battery 13, and the inside bottom of shell body 1 is close to one side of battery 13 and fixedly is provided with bluetooth module 14.

As a preferred embodiment in this embodiment, as shown in fig. 2, an air exhaust tube 11 is fixedly installed on a side surface of the outer casing 1, and an air inlet of the micro air pump 7 is communicated with the air exhaust tube 11, so that the micro air pump 7 can suck in the combustible gas through the air exhaust tube 11.

As a preferred implementation manner in this embodiment, as shown in fig. 3, the surface of the controller 4 is fixedly provided with the audible and visual alarm 5, the output end of the gas concentration sensor 8 is electrically connected to the input end of the controller 4, the output end of the controller 4 is electrically connected to the display screen 3, the audible and visual alarm 5, the micro air pump 7 and the input end of the bluetooth module 14, the monitoring data of the gas concentration sensor 8 can be displayed through the display screen 3, and the bluetooth module 14 can remotely and wirelessly transmit the monitoring data to the APP.

As a preferred embodiment in this embodiment, as shown in fig. 2, the lower end cover 6 is fixedly mounted on the bottom of the outer housing 1, and the bottom surface of the lower end cover 6 is provided with a heat radiation port 61, so that heat inside the outer housing 1 can be radiated through the heat radiation port 61.

As a preferred embodiment in this embodiment, as shown in fig. 2, a protective net 62 is fixedly installed inside the heat dissipation opening 61, and an air-permeable filtering hole is opened on the surface of the protective net 62 to prevent external dust and impurities from entering the outer casing 1 through the heat dissipation opening 61.

The detection device of this embodiment is when using, inhale fast to going out gas cavity 12 through miniature air pump 7 with combustible gas through exhaust tube 11 and air duct 71 in, make combustible gas can in time fully contact with 8 probes of gas concentration sensor, can carry out concentration monitoring to the combustible gas through going out gas cavity 12, if combustible gas concentration reaches the alarm value, audible-visual annunciator 5 can send the warning and remind, can be with the long-range wireless transmission of monitoring data to supporting APP through bluetooth module 14, combustible gas finally goes out gas cavity 12 and permeability cell 21 through going out gas cavity and quick discharge.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a concentration detection device is revealed to portable handheld combustible gas, includes shell body (1) and fixed mounting in upper end cover (2) at shell body (1) top, its characterized in that: the surface of the upper end cover (2) is fixedly communicated with a vent pipe (21), the surface of the outer shell (1) is fixedly provided with a display screen (3), a controller (4) is fixedly arranged on one side of the surface of the outer shell (1) close to the display screen (3), an air outlet cavity (12) is fixedly arranged in the outer shell (1) at a position right below the vent pipe (21), a gas concentration sensor (8) is fixedly arranged in the gas outlet cavity (12), a micro air pump (7) is fixedly arranged in the outer shell (1), an air outlet port of the micro air pump (7) is fixedly communicated with an air guide pipe (71), one end of the air duct (71) is fixedly communicated with the air outlet cavity (12), the inside bottom mounting of shell body (1) is provided with battery (13), the inside bottom of shell body (1) is close to one side of battery (13) is fixed and is provided with bluetooth module (14).

2. The portable handheld combustible gas leakage concentration detection apparatus according to claim 1, characterized in that: the side face of the outer shell (1) is fixedly provided with an air exhaust pipe (11), and an air inlet port of the miniature air pump (7) is communicated with the air exhaust pipe (11).

3. The portable handheld combustible gas leakage concentration detection apparatus according to claim 1, characterized in that: the surface fixed mounting of controller (4) has audible-visual annunciator (5), the output electric connection of gas concentration sensor (8) in the input of controller (4), the output electric connection of controller (4) in the input of display screen (3), audible-visual annunciator (5), miniature air pump (7) and bluetooth module (14).

4. The portable handheld combustible gas leakage concentration detection apparatus according to claim 1, characterized in that: the bottom of shell body (1) is fixed with lower end cover (6), thermovent (61) have been seted up to the bottom surface of lower end cover (6).

5. The portable handheld combustible gas leakage concentration detection apparatus according to claim 4, wherein: a protective net (62) is fixedly mounted on the inner side of the heat dissipation opening (61), and air-permeable filtering holes are formed in the surface of the protective net (62).