CN210893281U

CN210893281U - Natural gas meter with gas leakage detection function

Info

Publication number: CN210893281U
Application number: CN201922000394.1U
Authority: CN
Inventors: 刘海霞
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2020-06-30
Anticipated expiration: 2029-11-19

Abstract

The utility model discloses a natural gas meter with gas leakage detection, including casing, mount and methane detection device, air inlet and gas outlet have been seted up at the casing top, air inlet and gas outlet tip are seted up threadedly, there is slight arch casing front side, protruding upper end is provided with the reading dial plate, protruding reading dial plate downside has been seted up the card reader, protruding both sides are provided with the mount around casing a week, the casing bottom is provided with the methane detection device, casing one side bottom is seted up the battery case, the casing is close to the battery case joint and has first air inlet net, casing opposite side bottom is seted up the sound outlet, the sound outlet rear side is provided with the speaker; the device is when using, through being provided with methane detection device for if people produce the leakage in the natural gas use, the device can send the buzzing automatically, reminds user's natural gas to have the leakage, ensures user's the security of the lives and property.

Description

Natural gas meter with gas leakage detection function

Technical Field

The utility model relates to a natural gas table technical field specifically is a natural gas table with leakage detection.

Background

The natural gas means a gas having an automatic accumulation function so that those using natural gas or pipeline gas can easily know how much gas is used, so that the payment can be made in terms of cubic meters of gas consumed per month. However, the existing natural gas meter can only be used for counting, and when gas leaks, the leakage is wasted and cannot be found by a user, and the leakage is serious and dangerous.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a natural gas table with gas leakage detection to solve the current natural gas table that mentions in the above-mentioned background art and only can be used for the count, leak to some extent when coal gas, when the user can not find, will cause the waste, and leak and seriously still can produce dangerous problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a natural gas table with gas leakage detection, includes casing, mount and methane detection device, air inlet and gas outlet have been seted up at the casing top, air inlet and gas outlet top portion are seted up threadedly, the casing front side has a slight arch, protruding upper end is provided with the reading dial plate, the arch is located reading dial plate downside and has been seted up the card reader, protruding both sides are provided with the mount around casing a week, the casing bottom is provided with methane detection device, the battery case has been seted up to casing one side bottom, the casing is close to battery case joint and has first air inlet net, the sound outlet has been seted up to casing opposite side bottom, sound outlet rear side is provided with the speaker.

Preferably, the inside methane detection device upside that is located of casing is installed gas delivery assembly.

Preferably, methane detection device includes reflection room, infrared emission device and infrared light source detection receiver, reflection room one side is provided with infrared emission device, the reflection room opposite side is provided with infrared light source detection receiver, the inside reflection room inner wall of hugging closely of reflection room is provided with a plurality of porous alumina reflector plates.

Preferably, a storage battery is arranged on one side of the reflection chamber, which is positioned on the infrared emission device, and an air inlet net is arranged on the rear side of the reflection chamber, which is positioned on the storage battery.

Preferably, a signal processor is arranged on one side, located on the infrared light source detection receiver, of the reflection chamber, the signal processor is connected with the PLC through a wire, and the PLC is connected with the loudspeaker through a wire.

The utility model provides a natural gas table with gas leakage detection possesses following beneficial effect: the utility model discloses a set up the battery power supply outside methane detection device, the device's continuous power supply has been made things convenient for, and the other disconnected power supply of gas table, certain danger has also been eliminated, through setting up infrared emission device, can be by the absorptive infrared ray of the gas that awaits measuring to the indoor transmission of reflection, through set up a plurality of porous alumina reflector plates in the reflection room, make the infrared ray can be through multiple reflection in the reflection room, fully contact with the detecting gas, finally get into infrared light source detection receiver, through contrasting with the database, thereby obtain the gaseous composition of awaiting measuring, if natural gas leaks, methane will exceed standard, through setting up signal processor, signal conversion signal of meeting an emergency or a standard becomes the signal of telecommunication, and then transmit for the PLC controller, start speaker, send the buzzing of thorn ear, let people perceive.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic top view of the methane detecting device of the present invention;

fig. 4 is a schematic structural view of the porous alumina reflector of the present invention.

In the figure: 1. an air inlet; 2. an air outlet; 3. fixing a bracket; 4. a housing; 5. a battery case; 6. a first air intake net; 7. a reading dial plate; 8. a card reader; 9. a storage battery; 10. a second air intake net; 11. an infrared emitting device; 12. a porous alumina reflective sheet; 13. a launch chamber; 14. an infrared light source detection receiving device; 15. a signal processor; 16. a PLC controller; 17. a speaker; 18. a methane detection device; 19. a sound outlet; 20. and (4) protruding.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1-4, the utility model provides a technical solution: the utility model provides a natural gas meter with gas leakage detection, includes casing 4, mount 3 and methane detection device 18, air inlet 1 and gas outlet 2 have been seted up at 4 tops of casing, the screw thread has been seted up at

air inlet

1 and 2 top portions of gas outlet, there is slight arch 20 casing 4 front side, arch 20 upper end is provided with reading dial plate 7, arch 20 is located reading dial plate 7 downside and has seted up card reader 8, arch 20 both sides are provided with mount 3 around casing 4 a week, casing 4 bottom is provided with methane detection device 18, casing 4 one side bottom has been seted up battery case 5, casing 4 is close to battery case 5 joint has first air inlet net 6, casing 4 another side bottom has been seted up out sound mouth 19, it is provided with speaker 17 to go out sound mouth 19 rear side.

A fuel gas conveying assembly is arranged on the upper side of a methane detection device 18 in the shell 4, the methane detection device 18 comprises a reflection chamber 13, an infrared emission device 11 and an infrared light source detection receiver 14, an infrared emitting device 11 is arranged on one side of the reflecting chamber 13, an infrared light source detecting receiver 14 is arranged on the other side of the reflecting chamber 13, a plurality of porous alumina reflector plates 12 are arranged in the reflecting chamber 13 and are tightly attached to the inner wall of the reflecting chamber 13, the reflecting chamber 13 is provided with a storage battery 9 at one side of the infrared emitting device 11, the reflecting chamber 13 is provided with a second air inlet net 10 at the rear side of the storage battery 9, the reflection chamber 13 is provided with a signal processor 15 at one side of the infrared light source detection receiver 14, the signal processor 15 is connected with a PLC (programmable logic controller) 16 through a lead, and the PLC 16 is connected with a loudspeaker 17 through a lead.

When the natural gas meter with the gas leakage detection function works, natural gas enters from the gas inlet 1, the reading dial 7 displays the used gas quantity through the internal components of the natural gas meter, and finally enters the natural gas pipeline from the gas outlet 2 to be supplied to a cooker used by a user, if the natural gas leaks in the process, mixed gas enters the methane detection device 18 from the first gas inlet network 6 and then enters the reflection chamber 13 through the second gas inlet network 10; give each electric component power supply through battery 9, the continuous power supply of the device has been made things convenient for, and the other no connection power supply of gas table, certain danger has also been eliminated, through setting up infrared emission device 11, to the internal transmission of reflection room 13 can be by the absorptive infrared ray of the gas that awaits measuring, through set up a plurality of porous alumina reflector plates 12 in reflection room 13, make the infrared ray can be through multiple reflection in reflection room 13, fully contact with the detection gas, finally get into infrared light source detection receiver 14, through contrasting with the database, thereby obtain the gaseous composition of awaiting measuring, natural gas leakage, methane will exceed standard, through setting up signal processor 15, signal conversion signal that exceeds standard is the signal of telecommunication, and then transmit PLC controller 16, start speaker 17, send the sound of stinging ear, let people perceive.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a natural gas table with gas leakage detection, includes casing (4), mount (3) and methane detection device (18), its characterized in that: the top of the shell (4) is provided with an air inlet (1) and an air outlet (2), the top end parts of the air inlet (1) and the air outlet (2) are provided with threads, the front side of the shell (4) is provided with a slight bulge (20), the upper end of the bulge (20) is provided with a reading dial (7), the bulge (20) is positioned at the lower side of the reading dial (7) and is provided with a card reader (8), the two sides of the bulge (20) are provided with a fixed frame (3) around the shell (4), a methane detection device (18) is arranged at the bottom of the shell (4), a battery box (5) is arranged at the bottom of one side of the shell (4), a first air inlet net (6) is clamped on the shell (4) close to the battery box (5), a sound outlet (19) is formed in the bottom of the other side of the shell (4), and a loudspeaker (17) is arranged on the rear side of the sound outlet (19).

2. The natural gas meter with gas leakage detection of claim 1, wherein: and a fuel gas conveying assembly is arranged on the upper side of the methane detection device (18) in the shell (4).

3. The natural gas meter with gas leakage detection of claim 1, wherein: methane detection device (18) are including reflection room (13), infrared emission device (11) and infrared light source detection receiver (14), reflection room (13) one side is provided with infrared emission device (11), reflection room (13) opposite side is provided with infrared light source detection receiver (14), reflection room (13) inside hugs closely reflection room (13) inner wall and is provided with a plurality of porous alumina reflector plates (12).

4. The natural gas meter with gas leakage detection of claim 3, wherein: the reflecting chamber (13) is provided with a storage battery (9) on one side of the infrared emitting device (11), and the reflecting chamber (13) is provided with a second air inlet net (10) on the rear side of the storage battery (9).

5. The natural gas meter with gas leakage detection of claim 3, wherein: the reflection chamber (13) is provided with a signal processor (15) on one side of the infrared light source detection receiver (14), the signal processor (15) is connected with a PLC (programmable logic controller) controller (16) through a wire, and the PLC controller (16) is connected with a loudspeaker (17) through a wire.