Portable gas sensor detection device

Abstract

The utility model relates to the technical field of gas sensor detection equipment, in particular to a portable gas sensor detection device. The device comprises a pressure container, a pressure reducing valve is installed on an air port in the top of the pressure container, a flowmeter is installed on the pressure container, the outlet end of the pressure reducing valve is connected with the air inlet end of the flowmeter through a high-pressure air pipe, and an air path connector is arranged at the air outlet end of the flowmeter. The pressure container with the capacity of 1L is small in size, sufficient in capacity, light in weight and convenient to carry and use, the pagoda connector is adopted, the stability of the high-pressure air pipe between the pressure reducing valve and the flow meter can be guaranteed, and a pipe opening is prevented from falling off; the high-pressure quick connector is used for facilitating connection between the device and the gas sensor, meanwhile, the pressure relief valve is arranged, a pipeline can be dismantled after pressure relief is completed after detection is completed, and use safety is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to a gas sensor detection device technical field, specifically related to a portable gas sensor detection device. BACKGROUND

[0002] In coal mine production, need to adopt the on -the -spot to each position's gas sensor and carry out detection, then sensor display value and state are stored in database, however, the existing detection equipment volume is big, is influenced by the on -the -spot situation, some sensor installation positions of coal mine cannot be detected or are inconvenient to detect, also cannot realize the detection of sensor, and further, it is not clear whether this sensor is in normal state, and further, its indication accuracy is difficult to confirm, under this condition, a portable gas sensor detection device is urgently needed to be designed to realize the sensor detection of the work site. UTILITY MODEL CONTENTS

[0003] The utility model discloses to the defects and the insufficient of prior art, provide a kind of portable gas sensor detection device of reasonable design, it can solve above-mentioned defects.

[0004] To achieve the above object, the utility model adopts the following technical scheme: it contains pressure vessel, valve and air pressure gauge are connected on pressure vessel, pressure relief valve is installed on the air port of the top of pressure vessel, flowmeter is installed on pressure vessel, the import of flowmeter and the export of pressure relief valve are connected by high-pressure gas pipe, the export of flowmeter is connected with tee, the one mouth of tee is connected with pressure relief valve, and the other mouth of tee is connected with gas joint.

[0005] Preferably, the import of flowmeter and the export of pressure relief valve are connected with pagoda joint, and the two ends of high-pressure gas pipe are connected by pagoda joint.

[0006] Preferably, the gas joint is high-pressure quick connector.

[0007] Preferably, the pressure vessel is connected with a plurality of supporting legs.

[0008] Preferably, the pressure vessel is provided with a carrying strap.

[0009] After adopting the above structure, the utility model has the beneficial effects that:

[0010] The utility model adopts 1L capacity's pressure vessel, and the volume is small, and capacity is enough and light in quality, can be carried, can be held, can be placed and used, prevents the low temperature of exhaust gas from causing harm to personnel hand, and carrying and using are convenient, adopts pagoda joint and can guarantee the stability of high-pressure gas pipe between pressure relief valve and flowmeter, prevents pipe opening from falling off, uses high-pressure quick connector, and then the connection between device and gas sensor is convenient, simultaneously configures pressure relief valve, can be relieved after detection is completed, and then removes pipeline, guarantees safe use. BRIEF DESCRIPTION OF DRAWINGS

[0011] Fig. 1 is the front view of the utility model;

[0012] Fig. 2 is the right view of the utility model;

[0013] Fig. 3 is the left view of the utility model.

[0014] BRIEF DESCRIPTION OF DRAWINGS

[0015] 1, pressure vessel;2, pressure reducing valve;3, flowmeter;4, high pressure gas pipe;5, tee;6, pressure relief valve;7, high pressure quick connector;8, air pressure gauge;9, hand carrying belt;10, supporting leg. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0017] Referring to Figs. 1-3 As shown in the figure, it comprises a pressure vessel 1, the pressure vessel 1 has a capacity of 1L and a pressure of 15MP, the pressure vessel 1 is connected with a valve and an air pressure gauge 8, the air pressure gauge 8 is used for monitoring the pressure in the vessel 1 in real time, a pressure reducing valve 2 is installed on the gas port at the top of the pressure vessel 1, the pressure reducing valve 2 selects an integrated independent knob, the upper limit of the inlet pressure is 30MP, the outlet pressure is 0~0.6MP, and the pressure reducing valve 2 can meet the calibration requirements of different gas pressure sensors, a flowmeter 3 is installed on the pressure vessel 1, the flowmeter 3 selects a glass steel material flowmeter of 0~250ml / min, is resistant to high pressure and corrosion, the outlet end of the pressure reducing valve 2 is connected with the inlet end of the flowmeter 3 through a high pressure gas pipe 4, the outlet end of the flowmeter 3 is connected with a tee 5, one port of the tee 5 is connected with a pressure relief valve 6, which is used for releasing the remaining high pressure gas in the pipeline after detection is completed, the other port of the tee 5 is connected with a gas joint, the gas joint is a high pressure quick connector 7, which is used for quickly connecting the gas sensor to be detected;

[0018] The inlet end of the flowmeter 3 and the outlet end of the pressure reducing valve 2 are both connected with a tower joint, and the two ends of the high pressure gas pipe 4 are both connected through tower joints; the pressure vessel 1 is connected with a hand carrying belt 9 and a plurality of supporting legs 10 on the side, the hand carrying belt 9 is convenient for carrying the device, and the supporting legs 10 can stably support the device when in use, preventing rolling.

[0019] The principle and use process of the utility model are as follows:

[0020] When carrying, the device can be conveniently carried by the hand carrying belt 9, and when using, the device can be placed on the ground at the scene, and the supporting leg 10 can be supported to prevent the device from rolling and to prevent low temperature generated by exhaust from causing harm to the hands of personnel, the gas sensor to be detected is connected to the high-pressure quick connector 7, the pressure relief valve 6 is closed, the pressure value of the pressure reducing valve 2 is adjusted according to needs, and the valve of the pressure container 1 is opened, and the gas can be continuously discharged from the pressure reducing valve 2 at a specified pressure, flows to the flowmeter 3, and then enters the gas sensor through the tee joint, and the user can compare the pressure value detected by the gas sensor with the pressure value set by the pressure reducing valve 2, and the flowmeter 3 can observe the specific value of the gas flow in real time, and the gas flow can be directly observed to confirm the stability of the gas flow twice;

[0021] After detection is completed, the valve of the pressure container 1 is first closed, and then the pressure relief valve 6 is opened, the remaining high pressure in the pipeline is discharged, and after the pressure is normal, it indicates safety, the pipeline connected to the high-pressure quick connector 7 can be removed, and the detection of the gas sensor is completed.

[0022] It should be understood that the above specific embodiments of the utility model are only used for example or explanation of the principle of the utility model, and do not constitute the limitation of the utility model. Therefore, any modification, equivalent replacement, improvement, etc. made without deviating from the spirit and scope of the utility model shall be included in the protection scope of the utility model. In addition, the appended claims of the utility model are intended to cover all changes and modifications falling within the scope and boundary of the appended claims, or the equivalent forms of such scope and boundary.

Claims

1. A portable gas sensor detection device, comprising a pressure vessel (1), characterized in that: A valve and a pressure gauge (8) are connected to the pressure vessel (1). A pressure reducing valve (2) is installed on the air port at the top of the pressure vessel (1). A flow meter (3) is installed on the pressure vessel (1). The outlet end of the pressure reducing valve (2) is connected to the inlet end of the flow meter (3) through a high-pressure air pipe (4). A tee (5) is connected to the outlet end of the flow meter (3). A pressure relief valve (6) is connected to one end of the tee (5), and an air connection is connected to the other end of the tee (5).

2. The portable gas sensor detection device according to claim 1, characterized in that: The inlet end of the flow meter (3) and the outlet end of the pressure reducing valve (2) are both connected to a pagoda connector, and both ends of the high-pressure air pipe (4) are connected through the pagoda connector.

3. The portable gas sensor detection device according to claim 2, characterized in that: The gas connection is a high-pressure quick connector (7).

4. The portable gas sensor detection device according to claim 3, characterized in that: The pressure vessel (1) is connected to a plurality of support feet (10) on its side.

5. A portable gas sensor detection device according to claim 4, characterized in that: The pressure vessel (1) is equipped with a carrying strap (9).

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