CN219800269U - Methane tester - Google Patents

Abstract

The utility model discloses a methane detector, which belongs to the technical field of methane and comprises a working shell, wherein the bottom surface of the working shell is fixedly connected with a control chamber shell, the inner bottom wall of the working shell is fixedly connected with a miniature negative pressure air pump, the input end of the miniature negative pressure air pump is fixedly communicated with an air inlet pipe, the output end of the miniature negative pressure air pump is fixedly communicated with an exhaust pipe, the left side surface of the control chamber shell is fixedly connected with a controller, the front surface of the control chamber shell is respectively and fixedly connected with a buzzer, a green indicator lamp, a yellow indicator lamp and a red indicator lamp, the inner bottom wall of the control chamber shell is fixedly connected with a laser methane sensor, and an expansion head is arranged above the working shell. The methane detector is provided with the working shell, the miniature negative pressure air pump, the air inlet pipe, the expansion head, the exhaust pipe and the control chamber shell, and the miniature negative pressure air pump can pump the air in the environment into the control chamber shell through the air inlet pipe, the miniature negative pressure air pump and the exhaust pipe, so that the methane detector is conveniently detected by the laser methane sensor.

Description

Methane tester

Technical Field

The utility model belongs to the technical field of methane, and particularly relates to a methane detector.

Background

Methane, which is the simplest organic matter and hydrocarbon with the smallest carbon content (the largest hydrogen content), is widely distributed in nature, is a main component of natural gas, biogas, pit gas and the like, is commonly called gas, can be used as fuel and raw materials for producing hydrogen, carbon black, carbon monoxide, acetylene, hydrocyanic acid, formaldehyde and other substances, is also frequently present in mine operation sites, and because methane has combustibility, a corresponding methane measuring device is often required to measure the methane concentration in the mine sites before the mine is put into use in order to enhance the safety of the mine operation sites.

According to the utility model of application number CN202020620603.2, a mining multifunctional methane oxygen measuring device is disclosed, the measuring device can prevent external dust from entering the device through the design of a dust cover, the arranged buffer pad plays a role in protecting electronic equipment inside a working chamber from being damaged, the heat dissipation barrier improves the heat dissipation performance in the device, the friction force is increased through the arrangement of a hand holding piece, the hand holding device of a user is more stable, the internal connection of the device is firmer through the arrangement of a clamping piece, a clamping groove, a threaded rod and a fixing nut, but the intuitiveness of a methane measuring result is poorer due to the lack of a more intuitionistic warning and alarming structure, and therefore, a methane measuring device is provided by a person skilled in the art to solve the problem in the background art.

Disclosure of Invention

The utility model aims to solve the problem that the intuitiveness of a methane measurement result is poor due to the lack of a more intuitionistic warning and alarming structure in the prior art.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a methane analyzer, includes the working shell, the bottom surface fixedly connected with control room shell of working shell, the interior bottom wall fixedly connected with miniature negative pressure air pump of working shell, the input fixedly connected with intake pipe of miniature negative pressure air pump, the output fixedly connected with blast pipe of miniature negative pressure air pump, the left surface fixedly connected with controller of control room shell, the front of control room shell is fixedly connected with buzzer, green pilot lamp, yellow pilot lamp and red pilot lamp respectively, the interior bottom wall fixedly connected with laser methane sensor of control room shell, the top of working shell is provided with the expansion head.

Preferably, the bottom surface fixedly connected with handheld pole of control room shell, the surface fixedly connected with antiskid cover of handheld pole.

Preferably, the surface of blast pipe respectively with the inner wall of working housing and the inner wall fixed connection of control room shell, the surface of intake pipe and the inner wall fixed connection of working housing, the top of working housing is provided with the filter mantle, the inner wall fixedly connected with of filter mantle is the same a plurality of first magnetic column, the inner wall fixedly connected with dust cover of control room shell.

Preferably, the inner wall of the working shell is fixedly connected with a plurality of same second magnetic columns, and the top end of each second magnetic column is contacted with the bottom end of the first magnetic column.

Preferably, the miniature negative pressure air pump, the laser methane sensor, the buzzer, the green indicator lamp, the yellow indicator lamp and the red indicator lamp are all electrically connected with the controller through wires, the outer surface fixedly connected with first sealing ring of intake pipe, the inner wall of first sealing ring is fixedly connected with the outer surface of miniature negative pressure air pump input.

Preferably, the inner wall of the expansion head is fixedly connected with the outer surface of the air inlet pipe, the outer surface of the exhaust pipe is fixedly connected with a second sealing ring, and the inner wall of the second sealing ring is fixedly connected with the outer surface of the output end of the miniature negative pressure air pump.

In summary, the technical effects and advantages of the present utility model are:

through being provided with working shell, miniature negative pressure air pump, the intake pipe, extend the head, blast pipe and control room shell mutually support, miniature negative pressure air pump can take out the inside of control room shell through intake pipe, miniature negative pressure air pump and blast pipe with the gas in the environment, and then conveniently by laser methane sensor detects, the rethread is provided with control room shell, laser methane sensor, a controller, buzzer, green pilot lamp, yellow pilot lamp and red pilot lamp mutually support, laser methane sensor passes the testing result for the controller, the controller carries out analysis processing with the detection information, pass methane low concentration information for green pilot lamp and give light, concentration early warning information passes for yellow pilot lamp in the methane, methane high concentration danger information passes for red pilot lamp and gives alarm sound, play the effect of directly perceivedly warning and warning, reach the effect that directly perceivedly show methane concentration, realize preventing that methane survey result's intuitionistic is relatively poor purpose, avoid because of lacking comparatively audio alert and alarm structure, lead to its methane survey result's problem relatively poor intuitiveness.

Drawings

FIG. 1 is a schematic view showing a three-dimensional structure of a methane analyzer according to the present utility model;

FIG. 2 is a schematic diagram of a side-bottom perspective view of the methane analyzer of the present utility model;

FIG. 3 is a schematic view of a control chamber housing of the present utility model in a cut-away perspective;

FIG. 4 is a schematic side view of a working shell of the present utility model in a cut-away perspective;

FIG. 5 is a schematic view of a working shell of the present utility model in a cut-away perspective;

fig. 6 is a schematic bottom perspective view of the filter housing of the present utility model.

In the figure: 1. a working shell; 2. a miniature negative pressure air pump; 3. an air inlet pipe; 4. expanding the head; 5. an exhaust pipe; 6. a control room housing; 7. a laser methane sensor; 8. a controller; 9. a buzzer; 10. a green indicator light; 11. yellow indicator lights; 12. a red indicator light; 13. a hand-held lever; 14. an anti-skid sleeve; 15. a filter cover; 16. a first magnetic pillar; 17. a second magnetic pillar; 18. a first seal ring; 19. a second seal ring; 20. a dust cover.

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.

Referring to fig. 1 to 4, a methane analyzer comprises a working shell 1, wherein a control chamber shell 6 is fixedly connected to the bottom surface of the working shell 1, a miniature negative pressure air pump 2 is fixedly connected to the inner bottom wall of the working shell 1, a handheld rod 13 is fixedly connected to the bottom surface of the control chamber shell 6, an anti-slip cover 14 is fixedly connected to the outer surface of the handheld rod 13, the handheld rod 13 is arranged, the methane analyzer can be conveniently held by hand, and the friction force of the outer surface of the handheld rod 13 can be increased to further increase the comfort and stability of the hand by arranging the anti-slip cover 14.

The input fixedly connected with intake pipe 3 of miniature negative pressure air pump 2, the output fixedly connected with blast pipe 5 of miniature negative pressure air pump 2, the surface of blast pipe 5 respectively with the inner wall of working shell 1 and the inner wall fixed connection of control room shell 6, the surface of intake pipe 3 and the inner wall fixed connection of working shell 1, the top of working shell 1 is provided with filter housing 15, the inner wall fixedly connected with of filter housing 15 a plurality of the same first magnetic column 16, the inner wall fixedly connected with dust cover 20 of control room shell 6, through setting up filter housing 15, can filter the gaseous impurity that gets into intake pipe 3, and then the inside cleanliness of protection apparatus, through setting up first magnetic column 16, can cooperate other magnetic structure to make filter housing 15 splice with working shell 1, through setting up dust cover 20, can conveniently detect the gaseous discharge and prevent outside gaseous and impurity entering the inside of control room shell 6 at will.

The left side fixedly connected with controller 8 of control room shell 6, the front of control room shell 6 is fixedly connected with bee calling organ 9, green pilot lamp 10, yellow pilot lamp 11 and red pilot lamp 12 respectively, the inner wall fixedly connected with of working shell 1 a plurality of the same second magnetic column 17, the top of every second magnetic column 17 all contacts with the bottom of first magnetic column 16, through setting up second magnetic column 17, can inhale mutually with first magnetic column 16, and then conveniently with dust cover 20 dismantlement or install on working shell 1.

The interior bottom wall fixedly connected with laser methane sensor 7 of control room shell 6, miniature negative pressure air pump 2, laser methane sensor 7, bee calling organ 9, green pilot lamp 10, yellow pilot lamp 11 and red pilot lamp 12 are all connected with the controller 8 electricity through the wire, the first sealing ring 18 of surface fixedly connected with of intake pipe 3, the inner wall of first sealing ring 18 and the surface fixed connection of miniature negative pressure air pump 2 input, through setting up first sealing ring 18, can consolidate the connection between intake pipe 3 and the miniature negative pressure air pump 2 input, play the gas tightness that increases both junctions and then prevent the effect of gas leakage.

The top of working shell 1 is provided with expands first 4, expands the outer fixed connection of the inner wall of first 4 and intake pipe 3, and the outer fixed connection of blast pipe 5 has second sealing ring 19, and the inner wall of second sealing ring 19 and the outer fixed connection of miniature negative pressure air pump 2 output through setting up second sealing ring 19, can consolidate the connection between blast pipe 5 and the miniature negative pressure air pump 2 output, plays the gas tightness of increase two junction and then prevents the effect of gas leakage.

The working principle of the utility model is as follows: when the methane concentration measuring device is used, constructors hold the anti-slip sleeve 14 on the handheld rod 13 to bring the whole measuring device into a space to be detected, and can adjust early warning or alarming conditions under different methane concentrations by adjusting parameters of the controller 8, when the methane concentration measurement is started, the controller 8 controls the micro negative pressure air pump 2 to work to start pumping, gas in the detection environment enters the control chamber shell 6 through the expansion head 4, the air inlet pipe 3, the micro negative pressure air pump 2 and the exhaust pipe 5 after being filtered by the filter cover 15, the laser methane sensor 7 transmits concentration information to the controller 8 after detecting the methane concentration in the control chamber shell 6, when the methane concentration is lower, the controller 8 controls the green indicator lamp 10 to emit light, when the methane concentration is medium and caution is needed, the controller 8 controls the yellow indicator lamp 11 to emit light, when the methane concentration is higher, the controller 8 controls the red indicator lamp 12 to emit light and controls the buzzer 9 to emit alarming sound, when the filter cover 15 is needed to be cleaned, the filter cover 15 is pulled out of the working shell 1, the first magnetic column 16 and the second magnetic column 17 on the bottom surface of the filter cover 15 are cleaned, and the problem of the measuring device can be solved, and the problem of poor measuring effect of the measuring device is solved.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. A methane determinator comprising a working shell (1), characterized in that: the utility model discloses a miniature vacuum pump, including work shell (1), miniature negative pressure air pump (2) and control room shell (6), the bottom surface fixedly connected with control room shell (6), miniature negative pressure air pump (1)'s interior bottom wall fixedly connected with miniature negative pressure air pump (2), miniature negative pressure air pump (2)'s output fixedly connected with blast pipe (5), control room shell (6)'s left surface fixedly connected with controller (8), the front of control room shell (6) is fixedly connected with bee calling organ (9), green pilot lamp (10), yellow pilot lamp (11) and red pilot lamp (12) respectively, the interior bottom wall fixedly connected with laser methane sensor (7) of control room shell (6), the top of work shell (1) is provided with expansion head (4).

2. A methane analyzer according to claim 1, wherein: the bottom surface fixedly connected with handheld pole (13) of control room shell (6), the surface fixedly connected with anti-skidding cover (14) of handheld pole (13).

3. A methane analyzer according to claim 1, wherein: the outer surface of blast pipe (5) respectively with the inner wall of working shell (1) and the inner wall fixed connection of control room shell (6), the outer surface of intake pipe (3) and the inner wall fixed connection of working shell (1), the top of working shell (1) is provided with filter mantle (15), the inner wall fixedly connected with of filter mantle (15) a plurality of the same first magnetic column (16), the inner wall fixedly connected with dust cover (20) of control room shell (6).

4. A methane analyzer according to claim 3, wherein: the inner wall of the working shell (1) is fixedly connected with a plurality of same second magnetic columns (17), and the top end of each second magnetic column (17) is contacted with the bottom end of the first magnetic column (16).

5. A methane analyzer according to claim 1, wherein: the miniature negative pressure air pump (2), laser methane sensor (7), buzzer (9), green pilot lamp (10), yellow pilot lamp (11) and red pilot lamp (12) are all connected with controller (8) electricity through the wire, the surface fixedly connected with first sealing ring (18) of intake pipe (3), the inner wall of first sealing ring (18) is connected with the surface fixedly of miniature negative pressure air pump (2) input.

6. A methane analyzer according to claim 1, wherein: the inner wall of the expansion head (4) is fixedly connected with the outer surface of the air inlet pipe (3), the outer surface of the exhaust pipe (5) is fixedly connected with a second sealing ring (19), and the inner wall of the second sealing ring (19) is fixedly connected with the outer surface of the output end of the miniature negative pressure air pump (2).