Portable trace oxygen analyzer with drying function

Abstract

The utility model discloses a portable trace oxygen analyzer with a drying function, which comprises a portable trace oxygen analyzer main body, the outer wall of the portable trace oxygen analyzer main body is rotatably connected with a handle, one side of the portable trace oxygen analyzer main body is fixedly connected with a bracket, the bracket is provided with a groove, and the handle is fixedly connected with the bracket. A gas inlet assembly, a gas outlet assembly and a drying assembly are arranged on one side of the portable trace oxygen analyzer main body; the air inlet assembly comprises an air inlet pipe arranged on one side of the portable trace oxygen analyzer main body, and one end of the air inlet pipe is connected with a sealing cap; the drying assembly comprises a nitrogen tank arranged on one side of the portable trace oxygen analyzer body, a gas feeding pipe is connected to the nitrogen tank, and one end of the gas feeding pipe is connected with the gas inlet pipe. According to the device, moisture can be prevented from entering the air inlet pipe, and moisture in the air inlet pipe can be cleaned, so that the inside of the portable trace oxygen analyzer main body is kept in a dry state, and the analysis accuracy is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of trace oxygen analyzers, in particular to a portable trace oxygen analyzer with a drying function. Background Art

[0002] There are two types of trace oxygen analyzers: fuel cell trace oxygen analyzer and zirconium oxide trace oxygen analyzer. The use of a completely sealed fuel cell oxygen sensor is one of the most advanced oxygen measurement methods in the world. The fuel cell oxygen sensor consists of a highly active oxygen electrode and a lead electrode, immersed in a KOH solution. At the cathode, oxygen is reduced to hydroxide ions, while at the anode, lead is oxidized.

[0003] The trace oxygen analyzer needs to be kept dry during use and daily storage. Moisture entering the inside of the trace oxygen analyzer will affect the accuracy of the analysis results. The air inlet and outlet of the existing trace oxygen analyzer are tightly sealed by a cover, and the sealing performance is poor, so improvement is needed. Utility Model Content

[0004] The utility model aims to provide a portable trace oxygen analyzer with a drying function, so as to solve the problem that moisture easily enters the interior of the trace oxygen analyzer and affects the analysis accuracy, as mentioned in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a portable trace oxygen analyzer with a drying function, comprising a portable trace oxygen analyzer body, wherein an air inlet component, an air outlet component and a drying component are arranged on one side of the portable trace oxygen analyzer body;

[0006] The air intake assembly includes an air intake pipe arranged on one side of the portable trace oxygen analyzer body, and a sealing cap is connected to one end of the air intake pipe;

[0007] The drying component comprises a nitrogen tank arranged on one side of the main body of the portable trace oxygen analyzer, the nitrogen tank is connected with an air supply pipe, and one end of the air supply pipe is connected with the air inlet pipe.

[0008] Preferably, a handle is rotatably connected to the outer wall of the main body of the portable trace oxygen analyzer, and a bracket is fixedly connected to one side of the main body of the portable trace oxygen analyzer.

[0009] Preferably, the bracket is provided with a groove, and a nitrogen tank is inserted into the groove.

[0010] Preferably, the nitrogen tank is provided with a first valve, one side of the first valve is connected to a gas outlet, and the gas outlet is connected to an air supply pipe.

[0011] Preferably, a second valve is provided on the air inlet pipe, and one end of the air inlet pipe is threadedly connected to the sealing cap.

[0012] Preferably, a drying plate is provided on the inner wall of the sealing cap, and the drying plate is used to remove moisture from the air.

[0013] Preferably, the air inlet assembly and the air outlet assembly have the same structure.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] (1) This device can not only prevent moisture from entering the interior of the intake pipe, but also clean the moisture inside the intake pipe, thereby keeping the interior of the portable trace oxygen analyzer dry and improving the accuracy of the analysis.

[0016] (2) This device can prevent moisture and water from entering the air intake pipe by setting a second valve on the air intake pipe and connecting a sealing cap at one end of the air intake pipe. At the same time, the air supply pipe on one side of the air intake pipe is connected to a nitrogen tank. The nitrogen in the nitrogen tank can clean the moisture and water inside the air intake pipe, so that the main body of the portable trace oxygen analyzer remains dry.

[0017] (3) By arranging a drying plate inside the sealing cap, the device can absorb a small amount of moisture and water inside the main body of the portable trace oxygen analyzer during daily storage of the main body of the portable trace oxygen analyzer, thereby achieving the purpose of drying. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of a portable trace oxygen analyzer with a drying function according to the utility model;

[0019] Figure 2 This is a side view of a portable trace oxygen analyzer with a drying function according to the utility model;

[0020] Figure 3 This is a top view of an air intake component of a portable trace oxygen analyzer with a drying function according to the utility model;

[0021] Figure 4 The utility model is a schematic diagram of the connection structure of the sealing cap and the drying plate of a portable trace oxygen analyzer with a drying function.

[0022] In the figure: 1. handle; 2. main body of portable trace oxygen analyzer; 3. drying assembly; 31. first valve; 32. air supply pipe; 33. nitrogen tank; 34. bracket; 4. air intake assembly; 41. air intake pipe; 42. sealing cap; 43. drying plate; 5. second valve; 6. air outlet assembly. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-4 The utility model provides a technical solution: a portable trace oxygen analyzer with a drying function, comprising a portable trace oxygen analyzer body 2, a handle 1 is rotatably connected to the outer wall of the portable trace oxygen analyzer body 2, and a bracket 34 is fixedly connected to one side of the portable trace oxygen analyzer body 2; a groove is provided on the bracket 34, and a nitrogen tank 33 is inserted in the groove; this structure can ensure the stability of the placement of the nitrogen tank 33 by setting the bracket 34; a first valve 31 is provided on the nitrogen tank 33, and an air outlet is connected to one side of the first valve 31, and the air outlet is connected to an air supply pipe 32; this structure can control the discharge of nitrogen inside the nitrogen tank 33 by setting the first valve 31; an air intake component 4, an air outlet component 6 and a drying component 3 are provided on one side of the portable trace oxygen analyzer body 2; the air intake component 4 has the same structure as the air outlet component 6; the air outlet component 6 of this structure is used for exhaust, and the air intake component 4 is used for intake;

[0025] The air intake assembly 4 includes an air intake pipe 41 arranged on one side of the portable trace oxygen analyzer body 2, a second valve 5 is arranged on the air intake pipe 41, and one end of the air intake pipe 41 is threadedly connected to a sealing cap 42; this structure can seal the air intake pipe 41 through the sealing cap 42 when the device is not in use, thereby preventing humid air from entering the air intake pipe 41; one end of the air intake pipe 41 is connected to the sealing cap 42; a drying plate 43 is arranged on the inner wall of the sealing cap 42, and the drying plate 43 is used to remove moisture from the air; the drying plate 43 of this structure is made of a plate body and a desiccant, so that the desiccant can be used to dehumidify the moisture in the air, so that the air inside the air intake pipe 41 remains dry;

[0026] The drying component 3 includes a nitrogen tank 33 disposed on one side of the portable trace oxygen analyzer body 2 . The nitrogen tank 33 is connected to an air supply pipe 32 , and one end of the air supply pipe 32 is connected to the air inlet pipe 41 .

[0027] Working principle: When using the portable trace oxygen analyzer with a drying function, first open the second valve 5 on the air inlet pipe 41 of the air inlet component 4 and the air outlet component 6, and then perform subsequent detection work. When the portable trace oxygen analyzer main body 2 is not in use, close the second valve 5 on the air inlet pipe 41 of the air inlet component 4, and then open the first valve 31 on the nitrogen tank 33. At this time, the nitrogen inside the nitrogen tank 33 enters the air inlet pipe 41 through the air supply pipe 32, and then the nitrogen enters the portable trace oxygen analyzer main body 2 through the air inlet pipe 41 and is discharged from the air inlet pipe 41 of the air outlet component 6. In the process of nitrogen flowing inside the portable trace oxygen analyzer main body 2, the high-speed flow of nitrogen can take away the moisture and water inside the portable trace oxygen analyzer main body 2. When the interior of the portable trace oxygen analyzer main body 2 is cleaned, use the sealing cap 42 to seal the air inlet pipe 41 of the air outlet component 6.

[0028] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A portable trace oxygen analyzer with a drying function, comprising a portable trace oxygen analyzer body (2), characterized in that: An air inlet component (4), an air outlet component (6) and a drying component (3) are provided on one side of the main body (2) of the portable trace oxygen analyzer; The air intake assembly (4) comprises an air intake pipe (41) arranged on one side of the portable trace oxygen analyzer body (2), and one end of the air intake pipe (41) is connected to a sealing cap (42); The drying component (3) comprises a nitrogen tank (33) arranged on one side of the portable trace oxygen analyzer body (2); an air supply pipe (32) is connected to the nitrogen tank (33); one end of the air supply pipe (32) is connected to the air inlet pipe (41).

2. A portable trace oxygen analyzer with drying function according to claim 1, characterized in that: The outer wall of the portable trace oxygen analyzer body (2) is rotatably connected to a handle (1), and one side of the portable trace oxygen analyzer body (2) is fixedly connected to a bracket (34).

3. The portable trace oxygen analyzer with drying function according to claim 2, characterized in that: The bracket (34) is provided with a groove, and a nitrogen tank (33) is inserted into the groove.

4. The portable trace oxygen analyzer with drying function according to claim 1, characterized in that: The nitrogen tank (33) is provided with a first valve (31), one side of the first valve (31) is connected to a gas outlet, and the gas outlet is connected to a gas supply pipe (32).

5. The portable trace oxygen analyzer with drying function according to claim 1, characterized in that: The air intake pipe (41) is provided with a second valve (5), and one end of the air intake pipe (41) is threadedly connected to the sealing cap (42).

6. The portable trace oxygen analyzer with drying function according to claim 1, characterized in that: The inner wall of the sealing cap (42) is provided with a drying plate (43), and the drying plate (43) is used to remove moisture from the air.

7. The portable trace oxygen analyzer with drying function according to claim 1, characterized in that: The air inlet assembly (4) and the air outlet assembly (6) have the same structure.

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