CN218298196U

CN218298196U - Total hydrocarbon detector and carrier gas structure and valve assembly thereof

Info

Publication number: CN218298196U
Application number: CN202222382330.4U
Authority: CN
Inventors: 韩志刚; 董鑫; 孙贤鹏; 乔椋; 王武佳
Original assignee: Qingdao Laoying Haina Photoelectric Environmental Protection Group Co ltd
Current assignee: Qingdao Laoying Haina Photoelectric Environmental Protection Group Co ltd
Priority date: 2022-09-08
Filing date: 2022-09-08
Publication date: 2023-01-13
Anticipated expiration: 2032-09-08

Abstract

The utility model discloses a total hydrocarbon detector and carrier gas structure and valve assembly thereof, valve assembly includes the check valve, pressure transmitter and pressure reducer, the check valve has an inlet end and two ends of giving vent to anger, the top of check valve is located to the inlet end of check valve, two adjacent lateral parts of check valve are located respectively to two ends of giving vent to anger of check valve, one of them end of giving vent to anger of pressure reducer intercommunication check valve, pressure transmitter intercommunication check valve to install in the same lateral part of check valve with the pressure reducer. During the use, the inlet end intercommunication total hydrocarbon detector's of check valve top inflation inlet, another end intercommunication carrier gas bottle of giving vent to anger of check valve, the pressure reducer is installed respectively in two adjacent lateral parts of check valve with the carrier gas bottle, and pressure transmitter and pressure reducer install the same lateral part at the check valve, can make the structure of this valve assembly compacter, can save the inner space of total hydrocarbon detector for the overall arrangement of total hydrocarbon detector's inner structure is more reasonable.

Description

Total hydrocarbon detector and carrier gas structure and valve assembly thereof

Technical Field

The utility model relates to a gaseous technical field that detects, concretely relates to total hydrocarbon detector and carrier gas structure and valve assembly thereof.

Background

The total hydrocarbon detector is an instrument for detecting the content of trace hydrocarbons in a gas to be detected. Along with the more mature development of the total hydrocarbon detector technology, the competition in the industry is more and more intense, and related manufacturers play games on the detection technology and also improve the internal structure of the total hydrocarbon detector. At present, in the total hydrocarbon detector in the related art, the number of parts of the internal structure is large, the arrangement is disordered, the occupied volume space is large, and especially, the structural design and layout of parts such as a gas carrying cylinder, a gas valve and the like are unreasonable, so that the total hydrocarbon detector is not favorable for the portable development.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a valve assembly of total hydrocarbon detector, its compact structure can save the inner space of total hydrocarbon detector for the overall arrangement of the inner structure of total hydrocarbon detector is more reasonable.

In order to solve the above problem, the utility model discloses the technical scheme who adopts as follows: the utility model provides a valve assembly of total hydrocarbon detector, includes check valve, pressure transmitter and pressure reducer, the check valve has an inlet end and two ends of giving vent to anger, the inlet end of check valve is located the top of check valve, two ends of giving vent to anger of check valve are located respectively two adjacent lateral parts of check valve, the pressure reducer intercommunication one of them end of giving vent to anger of check valve, pressure transmitter intercommunication the check valve, and with the pressure reducer install in same lateral part of check valve.

Compared with the prior art, the beneficial effects of the utility model reside in that: this valve assembly sets up an inlet end and two of check valve respectively at the top and two adjacent lateral parts of check valve with the end of giving vent to anger of check valve, during the use, the inlet end at check valve top communicates the inflation inlet of total hydrocarbon detector, one of them end intercommunication pressure reducer of giving vent to anger of check valve, another end intercommunication carrier gas bottle of giving vent to anger, total hydrocarbon detector can pass through inflation inlet and check valve orientation carrier gas bottle in the inflation pressure reducer, can discharge the device of next process with the high-pressure gas step-down in the carrier gas bottle, pressure transmitter can measure the atmospheric pressure in the carrier gas bottle, the monitoring carrier gas volume. When this valve assembly is applied to total hydrocarbon detector, the pressure reducer is installed respectively in two adjacent lateral parts of check valve with the year gas cylinder, and pressure transmitter installs the same lateral part at the check valve with the pressure reducer, can make the structure of this valve assembly compacter, can save the inner space of total hydrocarbon detector for total hydrocarbon detector's inner structure's overall arrangement is more reasonable.

The utility model also provides a total hydrocarbon detector's carrier gas structure, including shell, carrier gas bottle and foretell valve assembly, the shell is equipped with the inflation inlet, the carrier gas bottle with valve assembly all locates in the shell, just the inlet end of check valve passes through the tubular metal resonator intercommunication the inflation inlet of shell, another end intercommunication of giving vent to anger of check valve carrier gas bottle. The carrier gas structure connects the valve assembly with the carrier gas bottle and is arranged in the shell together, so that the internal structure of the total hydrocarbon detector is more tidy and reasonable, the internal structure of the total hydrocarbon detector is more compact, and the portable design of the total hydrocarbon detector is facilitated.

In the above carrier gas structure of the total hydrocarbon detector, the side of the check valve is connected to the angle block, and the check valve is fixedly connected to the inside of the housing through the angle block.

In the carrier gas structure of the total hydrocarbon detector, the inner part of the shell is connected with the fixing ring, and the fixing ring is sleeved on the periphery of the carrier gas bottle.

In the carrier gas structure of the total hydrocarbon detector, the check valve is installed on one side of the shell far away from the inflation inlet, and the carrier gas bottle is transversely installed inside the shell and located below the inflation inlet of the shell.

The utility model also provides a total hydrocarbon detector, including foretell valve assembly.

The utility model also provides a total hydrocarbon detector, including foretell carrier gas structure.

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Drawings

Fig. 1 is a schematic structural diagram of a valve assembly according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a check valve according to an embodiment of the present invention;

fig. 3 is a schematic partial structural diagram of a total hydrocarbon detector according to an embodiment of the present invention.

The reference numbers indicate: 100 one-way valves, 110 gas inlet ends, 120 gas outlet ends, 130 angle-shaped blocks, 140 mounting holes, 200 pressure transmitters, 300 pressure reducers, 400 shells, 410 inflation ports, 420 fixing rings, 500 carrier gas cylinders and 600 metal pipes.

Detailed Description

The embodiment of the present invention is described in detail below, referring to fig. 1 and 2, an embodiment of the present invention provides a valve assembly of a total hydrocarbon detector, including check valve 100, pressure transmitter 200 and pressure reducer 300, check valve 100 has one inlet end 110 and two outlet ends 120, inlet end 110 of check valve 100 locates the top of check valve 100, two outlet ends 120 of check valve 100 locate two adjacent lateral parts of check valve 100 respectively, one of them outlet end 120 of pressure reducer 300 intercommunication check valve 100, pressure transmitter 200 communicates check valve 100 to install in the same lateral part of check valve 100 with pressure reducer 300.

In the valve assembly, one air inlet end 110 and two air outlet ends 120 of the one-way valve 100 are respectively arranged at the top and two adjacent side parts of the one-way valve 100, when the valve assembly is used, the air inlet end 110 at the top of the one-way valve 100 is communicated with the inflation inlet 410 of the total hydrocarbon detector, one air outlet end 120 of the one-way valve 100 is communicated with the pressure reducer 300, the other air outlet end 120 is communicated with the carrier gas bottle 500, the total hydrocarbon detector can inflate towards the carrier gas bottle 500 through the inflation inlet 410 and the one-way valve 100, gas can only enter the carrier gas bottle 500 through the one-way valve 100 and cannot be exhausted out of the one-way valve 100, the pressure reducer 300 can reduce the pressure of high-pressure gas in the carrier gas bottle 500 and exhaust the high-pressure gas to devices in the next working procedure, and the pressure transmitter 200 can measure the air pressure in the carrier gas bottle 500 and monitor the carrier gas quantity. When this valve assembly is applied to total hydrocarbon detector, pressure reducer 300 and year gas cylinder 500 are installed respectively in two adjacent lateral parts of check valve 100, and pressure transmitter 200 installs the same lateral part at check valve 100 with pressure reducer 300, the great year gas cylinder 500 of volume is installed alone in one side, and the less pressure transmitter 200 of volume is then installed at the opposite side with pressure reducer 300 together, can make the structure of this valve assembly compacter, can save the inner space of total hydrocarbon detector, make the overall arrangement of the inner structure of total hydrocarbon detector more reasonable.

Referring to fig. 3, an embodiment of the present invention further provides a carrier gas structure of a total hydrocarbon detector, including a housing 400, a carrier gas cylinder 500 and the above valve assembly, the housing 400 is provided with a gas filling port 410, the carrier gas cylinder 500 and the valve assembly are both disposed in the housing 400, and the gas inlet 110 of the check valve 100 is communicated with the gas filling port 410 of the housing 400 through a metal pipe 600, and the other gas outlet 120 of the check valve 100 is communicated with the carrier gas cylinder 500. Taking the orientation in fig. 3 as an example, the inflation inlet 410 is opened at the upper right side of the housing 400, and the check valve 100 is installed at a side of the housing 400 far from the inflation inlet 410, i.e. the lower left side of the housing 400, where the air inlet 110 of the check valve 100 faces upward, one of the air outlet 120 faces the front side, and the other air outlet 120 faces the right side.

When the pressure reducer 300 and the pressure transmitter 200 are installed forwards and transversely, the gas carrier cylinder 500 is installed transversely and rightwards and is positioned at the lower side of the gas charging port 410, the gas inlet end 110 at the top of the one-way valve 100 is communicated with the gas charging port 410 of the shell 400 through the metal pipe 600, and the metal pipe 600 is arranged above the one-way valve 100, the gas carrier cylinder 500 and other parts. Such layout design can leave a large amount of spaces in the shell 400, under general conditions, shell 400 sets up to the cuboid form, and carrier gas bottle 500 installs the rear side in shell 400, and install towards the right side, pressure reducer 300 and pressure transmitter 200 install the left side in shell 400, and the installation towards, a large amount of spaces that leave in then shell 400 also are nearly for the cuboid space, can be convenient for install detecting part etc. make the inner structure of total hydrocarbon detector neat more reasonable, inner structure is compacter, be favorable to total hydrocarbon detector's portable design.

Specifically, the side of the check valve 100 is connected with an angle block 130, the angle block 130 is integrally formed with the outer structure of the check valve 100, and the check valve 100 is fixedly connected to the inside of the housing 400 through the angle block 130. The side of the check valve 100 is opened with a mounting hole 140, the mounting hole 140 is located at the lower side of the first air outlet end 120, and the pressure transmitter 200 is mounted in the mounting hole 140. The inside of the case 400 is connected with a fixing ring 420, and the fixing ring 420 is fitted around the outer circumference of the carrier gas cylinder 500. Can make valve assembly and carrier gas structure can install in the inside of shell 400 steadily, during the installation, with carrier gas bottle 500 pass solid fixed ring 420, connect check valve 100 again, the installation is also comparatively convenient and fast.

The embodiment of the utility model provides a total hydrocarbon detector is still provided, including foretell valve assembly, adopt this valve assembly, can be so that total hydrocarbon detector's inner structure is compacter, is favorable to total hydrocarbon detector's portable design. The embodiment of the utility model provides a total hydrocarbon detector is still provided, including foretell carrier gas structure, equally can be so that total hydrocarbon detector's inner structure is compacter, is favorable to total hydrocarbon detector's portable design.

It should be noted that, in the description of the present invention, if the directional description is referred to, for example, the directional or positional relation indicated by the upper, lower, front, rear, left, right, etc., it is the directional or positional relation shown in the drawings, and it is only for the convenience of description of the present invention and simplification of the description, but not for indicating or implying that the indicated device or element must have a specific direction, be constructed or operated in a specific direction, and should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the present number, and the terms greater than, less than, within, etc. are understood as including the present number. If any, are described in the first or second etc. for the purpose of distinguishing technical features, but are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art on the basis of the present invention are all within the protection scope of the present invention.

Claims

1. The valve assembly of the total hydrocarbon detector is characterized by comprising a one-way valve (100), a pressure transmitter (200) and a pressure reducer (300), wherein the one-way valve (100) is provided with an air inlet end (110) and two air outlet ends (120), the air inlet end (110) of the one-way valve (100) is arranged at the top of the one-way valve (100), the two air outlet ends (120) of the one-way valve (100) are respectively arranged at two adjacent side parts of the one-way valve (100), the pressure reducer (300) is communicated with one of the air outlet ends (120) of the one-way valve (100), and the pressure transmitter (200) is communicated with the one-way valve (100) and is installed at the same side part of the one-way valve (100) together with the pressure reducer (300).

2. The carrier gas structure of the total hydrocarbon detector is characterized by comprising a shell (400), a carrier gas bottle (500) and the valve assembly of claim 1, wherein the shell (400) is provided with a gas filling port (410), the carrier gas bottle (500) and the valve assembly are both arranged in the shell (400), a gas inlet end (110) of the one-way valve (100) is communicated with the gas filling port (410) of the shell (400) through a metal pipe (600), and the other gas outlet end (120) of the one-way valve (100) is communicated with the carrier gas bottle (500).

3. The carrier gas structure of the total hydrocarbon detector according to claim 2, wherein an angle block (130) is connected to a side of the check valve (100), and the check valve (100) is fixedly connected to the inside of the housing (400) through the angle block (130).

4. The carrier gas structure of the total hydrocarbon detector according to claim 2, wherein a fixing ring (420) is connected to the inside of the housing (400), and the fixing ring (420) is fitted around the outer circumference of the carrier gas cylinder (500).

5. The carrier gas structure of the total hydrocarbon detector according to claim 2, wherein the check valve (100) is installed in the housing (400) on a side away from the gas filling port (410), and the carrier gas bottle (500) is installed transversely inside the housing (400) and below the gas filling port (410) of the housing (400).

6. A total hydrocarbon detector comprising the valve assembly of claim 1.

7. A total hydrocarbon detector comprising the carrier gas structure of any one of claims 2 to 5.