CN216433888U - Gas sensor with contactless interface - Google Patents

Abstract

The utility model provides a gas sensor with contactless mouth, including sensor housing, the pump admits air, the elasticity return bend, admit air the fill, the filter core, fixed lid, survey the chamber, infrared light source, infrared light receiver, rechargeable battery, a processor, the storage bottle, the trachea, a valve, a cover, display screen and one-way discharge valve, the pump intercommunication elasticity return bend admits air on the sensor housing top, the one end fixedly connected with of elasticity return bend is admitted air and is fought, admit air and install the filter core on fighting, the inside detection chamber that is equipped with of sensor housing, infrared light source is installed respectively to the both sides inner wall of surveying the chamber, infrared light receiver, sensor housing's inside is equipped with and infrared light source, the treater that infrared light receiver electricity is connected, the inside cavity interpolation of tail end of sensor housing has connect the storage bottle, the storage bottle passes through the trachea and surveys the chamber intercommunication. The gas sensor adopts the design without a direct contact port, is convenient to clean and reduce impurities to enter the detection cavity to influence the detection, is convenient to use, and can perform gas sampling storage.

Description

Gas sensor with contactless interface

Technical Field

The utility model relates to a sensor technical field, very much be a gas sensor with contactless mouth.

Background

A gas sensor is a converter that converts the volume fraction of a certain gas into a corresponding electrical signal, and a gas sensor is a device that converts information such as the composition and concentration of a gas into information that can be used by personnel, instruments, computers, and the like.

The "gas sensor" includes: the gas sensor comprises a semiconductor gas sensor, an electrochemical gas sensor, a catalytic combustion gas sensor, a thermal conductivity gas sensor, an infrared gas sensor, a solid electrolyte gas sensor and the like, wherein a contact port of a detection head of the existing gas sensor is exposed outside and easily attached with dirt to influence air inlet, so that the use effect of the sensor is influenced, the use is inconvenient, and the gas sensor does not have the function of storing a sample.

Therefore, it is desirable to design a gas sensor with a contactless interface to solve the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a utility model aims to provide a gas sensor with contactless mouth, this gas sensor adopt the design of no direct contact mouth to be convenient for clear up and reduce impurity and enter into and survey the intracavity influence and survey, use convenient and can carry out gaseous sampling storage.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a gas sensor with a contactless port comprises a sensor shell, an air inlet pump, an elastic bent pipe, an air inlet hopper, a filter element, a fixed cover, a detection cavity, an infrared light source, an infrared light receiver, a rechargeable battery, a processor, a storage bottle, an air pipe, a valve, a cover, a display screen and a one-way exhaust valve, wherein the top end of the sensor shell is fixedly provided with the air inlet pump which is communicated with the elastic bent pipe, one end of the elastic bent pipe is fixedly connected with the air inlet hopper, the air inlet hopper is provided with the filter element which is plugged in and pulled out of the air inlet hopper, the inside of the top end of the sensor shell is provided with the detection cavity, the inner walls of two sides of the detection cavity are respectively provided with the infrared light source and the infrared light receiver, the infrared light receiver are relatively distributed on the same horizontal line, the inside of the sensor shell is provided with the processor which is electrically connected with the infrared light source and the infrared light receiver, the interior cavity interpolation of tail end of sensor housing has connect the storage bottle, the storage bottle passes through trachea and surveys the chamber intercommunication, install the valve on the trachea.

Preferably, a fixed cover is fixed at the end part of the elastic elbow pipe, and the fixed cover is in threaded connection with the air inlet of the air inlet pump.

Preferably, one side of the sensor shell is provided with a one-way exhaust valve communicated with the detection cavity.

Preferably, the side wall of the sensor shell is embedded with a display screen which is electrically connected with the output port of the processor.

Preferably, the bottom end of the storage bottle is fitted with a cap threadedly connected thereto.

Preferably, a rechargeable battery electrically connected with the air inlet pump, the infrared light source, the infrared light receiver, the processor and the display screen is mounted inside the sensor shell.

The utility model provides a gas sensor with contactless mouth. The method has the following beneficial effects:

1. the utility model provides a pair of gas sensor with contactless mouth adopts the design of no direct contact mouth to be convenient for clear up and reduces impurity and enter into and survey the intracavity influence and survey, uses conveniently and can carry out gaseous sampling storage, and is simple to use reliable, is convenient for survey.

Drawings

Fig. 1 is a schematic structural view of a gas sensor with a contactless interface according to the present invention;

fig. 2 is a schematic cross-sectional structural view of a gas sensor with a contactless interface according to the present invention.

In the figure: the device comprises a sensor shell 1, an air inlet pump 2, an elastic bent pipe 3, an air inlet hopper 4, a filter element 5, a fixed cover 6, a detection cavity 7, an infrared light source 8, an infrared light receiver 9, a rechargeable battery 10, a processor 11, a storage bottle 12, an air pipe 13, a valve 14, a cover 15, a display screen 16 and a one-way exhaust valve 17.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments:

in the description of the present invention, it should be noted that the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top", "bottom", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of description and simplification of the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-2, a gas sensor with a contactless port comprises a sensor housing 1, an air intake pump 2, an elastic bent tube 3, an air intake funnel 4, a filter element 5, a fixing cover 6, a detection cavity 7, an infrared light source 8, an infrared light receiver 9, a rechargeable battery 10, a processor 11, a storage bottle 12, an air tube 13, a valve 14, a cover 15, a display screen 16 and a one-way exhaust valve 17, wherein the air intake pump 2 is fixed at the top end of the sensor housing 1, the air intake pump 2 is communicated with the elastic bent tube 3, the air intake funnel 4 is fixedly connected to one end of the elastic bent tube 3, the filter element 5 inserted into and pulled out of the air intake funnel 4 is installed on the air intake funnel 4, the detection cavity 7 is arranged inside the top end of the sensor housing 1, the infrared light source 8 and the infrared light receiver 9 are respectively installed on the inner walls of two sides of the detection cavity 7, the infrared light source 8 and the infrared light receiver 9 are relatively distributed on the same horizontal line, the sensor shell 1 is internally provided with a processor 11 electrically connected with an infrared light source 8 and an infrared light receiver 9, a storage bottle 12 is inserted in a cavity inside the tail end of the sensor shell 1, the storage bottle 12 is communicated with the detection cavity 7 through an air pipe 13, and the air pipe 13 is provided with a valve 14.

Through the above technical scheme of the utility model, the end fixing of elasticity return bend 3 has fixed lid 6, fixed lid 6 with the air inlet threaded connection of air inlet pump 2 carries out the installation of front end, and the design of no direct contact mouth is convenient for clear up and is reduced impurity and enter into the detection intracavity and influence and survey.

Through the above technical scheme of the utility model, one-way discharge valve 17 with survey chamber 7 intercommunication is installed to one side of sensor housing 1.

Through the above technical scheme of the utility model, inlay on the 1 lateral wall of sensor housing and establish and install 16 display screens that are connected with treater 11 output port electricity and show gaseous composition.

Through the above technical scheme of the utility model, lid 15 rather than threaded connection is installed to the bottom of storage bottle 12, is convenient for clear up and sample inside through opening lid 15.

Through the above technical scheme of the utility model, sensor housing 1's internally mounted have with air intake pump 2, infrared light source 8, infrared light receiver 9, treater 11, the rechargeable battery 10 that the display screen 16 electricity is connected supply power.

During the use, elasticity return bend 3 can be buckled so that stretch into specific detection place with air intake fill 4 so that use, bleed through air intake pump 2, gaseous entering detection chamber 7 through elasticity return bend 3 after filtering from filter core 5, infrared light source 8 emission light source, light passes through infrared light receiver 9 postprocessor 11 and handles the light signal of the characteristic wavelength that infrared light receiver 9 received, because the wavelength of the absorption of different gas molecules to the infrared light is different, therefore can handle the gas composition that obtains right and then show through display screen 16, gaseous from one-way discharge valve 17 discharges, can lead into storage bottle 12 inside with some gas through opening valve 14 on trachea 13 and store the sample, close valve 4 after the sample, be convenient for clear up and sample the inside through opening lid 15.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The gas sensor with the non-contact port is characterized by comprising a sensor shell (1), an air inlet pump (2), an elastic bent pipe (3), an air inlet hopper (4), a filter element (5), a fixed cover (6), a detection cavity (7), an infrared light source (8), an infrared light receiver (9), a rechargeable battery (10), a processor (11), a storage bottle (12), an air pipe (13), a valve (14), a cover (15), a display screen (16) and a one-way exhaust valve (17), wherein the top end of the sensor shell (1) is fixedly provided with the air inlet pump (2), the air inlet pump (2) is communicated with the elastic bent pipe (3), one end of the elastic bent pipe (3) is fixedly connected with the air inlet hopper (4), the air inlet hopper (4) is provided with the filter element (5) which is plugged into the air inlet hopper, the detection cavity (7) is arranged inside the top end of the sensor shell (1), infrared light source (8), infrared light receiver (9) are installed respectively to the both sides inner wall of surveying chamber (7), infrared light source (8), infrared light receiver (9) relative distribution are on same water flat line, the inside of sensor shell (1) is equipped with treater (11) of being connected with infrared light source (8), infrared light receiver (9) electricity, it has storage bottle (12) to peg graft in the inside cavity of tail end of sensor shell (1), storage bottle (12) are through trachea (13) and survey chamber (7) intercommunication, install valve (14) on trachea (13).

2. A gas sensor with a contactless interface according to claim 1, wherein: the end part of the elastic elbow (3) is fixed with a fixed cover (6), and the fixed cover (6) is in threaded connection with an air inlet of the air inlet pump (2).

3. A gas sensor with a contactless interface according to claim 1, wherein: one side of the sensor shell (1) is provided with a one-way exhaust valve (17) communicated with the detection cavity (7).

4. A gas sensor with a contactless interface according to claim 1, wherein: and a display screen (16) electrically connected with the output port of the processor (11) is embedded and installed on the side wall of the sensor shell (1).

5. A gas sensor with a contactless interface according to claim 1, wherein: the bottom end of the storage bottle (12) is provided with a cover (15) in threaded connection with the storage bottle.

6. A gas sensor with a contactless interface according to claim 1, wherein: and a rechargeable battery (10) electrically connected with the air inlet pump (2), the infrared light source (8), the infrared light receiver (9), the processor (11) and the display screen (16) is arranged in the sensor shell (1).

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