CN218567297U - Portable hydrogen measuring instrument with long service life - Google Patents
Portable hydrogen measuring instrument with long service life Download PDFInfo
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- CN218567297U CN218567297U CN202221337759.5U CN202221337759U CN218567297U CN 218567297 U CN218567297 U CN 218567297U CN 202221337759 U CN202221337759 U CN 202221337759U CN 218567297 U CN218567297 U CN 218567297U
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- portable hydrogen
- hydrogen
- hydrogen meter
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Abstract
The utility model discloses a long service life's portable hydrogen meter, including hydrogen meter, set up in the positive display screen of hydrogen meter and set up in the intake pipe at hydrogen meter top, still include: the gas washing cylinder is fixedly connected with the hydrogen detector, is connected with the gas inlet pipe through a connecting pipe and is used for processing hydrogen chloride gas in the detection gas; the air pipe is fixedly connected with the air washing cylinder and extends into the air washing cylinder for air inlet; and the medicine adding structure is arranged on the side surface of the air washing cylinder and is used for adding the washing gas solution. The utility model provides a pair of long service life's portable hydrogen meter, the strong corrosive gas of hydrogen chloride that contains in can the preliminary treatment gas to can avoid being detected the inside detecting element and the aspirator pump of gaseous corrosion portable hydrogen meter, thereby make the life of portable hydrogen meter longer.
Description
Technical Field
The utility model relates to a hydrogen detects technical field, specifically is a long service life's portable hydrogen meter.
Background
The portable hydrogen measuring instrument is also called a portable hydrogen detector, is an instrument for detecting the hydrogen concentration in the environment, can be carried about and is convenient to detect.
When the portable hydrogen measuring instrument is used, the built-in getter pump is adopted to suck gas into the portable hydrogen measuring instrument through the gas inlet, then the gas is detected through the electrochemical sensor in the portable hydrogen measuring instrument, and finally the gas is displayed through the display screen on the surface of the portable hydrogen measuring instrument, so that the purpose of detection can be achieved, and the portable hydrogen measuring instrument is mainly used for detecting limited space and fire operation of production and management enterprises.
The portable hydrogen measuring instrument has the advantages of stable signal, high precision, good repeatability, simple operation and the like.
However, when the portable hydrogen detector is used for detecting and analyzing fire in a synthetic hydrochloric acid work area in practical application, gas components are complex, a large amount of hydrogen chloride gas with strong corrosivity exists, the detected gas is very easy to damage an internal getter pump in the detection process, normal sampling cannot be carried out, and the result cannot be normally detected;
meanwhile, the sensor is easy to corrode and damage, an error result is obtained, production is misled, potential safety hazards exist, and the service life of the portable hydrogen measuring instrument is greatly shortened.
SUMMERY OF THE UTILITY MODEL
To the not enough of prior art, the utility model provides a long service life's portable hydrogen meter solves above-mentioned problem during the purpose.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a long service life's portable hydrogen meter, includes the hydrogen meter, sets up in the positive display screen of hydrogen meter and sets up in the intake pipe at hydrogen meter top, still includes:
the gas washing cylinder is fixedly connected with the hydrogen detector, is connected with the gas inlet pipe through a connecting pipe and is used for processing the hydrogen chloride gas in the detection gas;
the air pipe is fixedly connected with the air washing cylinder and extends into the air washing cylinder for air inlet;
and the medicine adding structure is arranged on the side surface of the air washing cylinder and is used for adding the air washing solution.
Preferably, the scrubbing solution is a sodium hydroxide solution.
Preferably, the inside of the gas washing cylinder is inlaid with a glass plate for observation.
Preferably, the end part of the air pipe is provided with a filter screen for filtering external impurities.
Preferably, the medicated structure comprises:
the threaded column is fixedly connected with the air washing cylinder;
the medicine adding hole is formed in the inner part of the air washing cylinder and penetrates through the threaded column;
the sealing sleeve is in threaded connection with the threaded column;
and the inserting column is fixedly connected with the sealing sleeve and extends to the interior of the dosing hole.
Preferably, the outer part of the plug-in connection column is sleeved with a sealing ring, and the sealing ring is padded between the sealing sleeve and the threaded column.
Preferably, the inside of the connecting pipe is detachably provided with a filtering structure for filtering liquid.
Preferably, the filter structure comprises:
the inserting seat is slidably arranged in the connecting pipe and is in sealing connection with the connecting pipe through a sealing gasket;
a through groove is formed below the plug socket;
the fixing plate is fixedly connected with the plug socket and is positioned outside the connecting pipe;
the movable frame is connected with the plug socket in a sliding way and is positioned inside the through groove;
the filter cloth is arranged inside the movable frame;
the filter cloth is water-absorbing and breathable cloth.
Preferably, the filter cloth is water-proof breathable cloth.
Preferably, the upper half of the through groove is arc-shaped;
the surface of crossing the groove is provided with the mounting groove, the movable frame and mounting groove looks adaptation.
Compared with the prior art, the utility model discloses possess following beneficial effect:
the utility model provides a pair of long service life's portable hydrogen meter, the strong corrosive gas of hydrogen chloride that contains in can the preliminary treatment gas to can avoid being detected the inside detecting element and the aspirator pump of gaseous corrosion portable hydrogen meter, thereby make the life of portable hydrogen meter longer.
Drawings
Fig. 1 is a schematic structural diagram of a portable hydrogen measuring instrument with a long service life according to the present invention;
FIG. 2 is a schematic view of the internal structure of the inflator according to the present invention;
fig. 3 is a schematic structural view of the filter structure of the present invention;
fig. 4 is an enlarged schematic view of the structure of the filter structure of the present invention;
fig. 5 is an enlarged schematic view of the structure of the medicine-adding structure of the present invention.
In the figure: the device comprises a hydrogen measuring instrument 10, a display screen 11, an air inlet pipe 20, an air washing cylinder 30, a glass plate 31, a connecting pipe 40, an air pipe 50, a filter screen 51, a medicine adding structure 60, a threaded column 61, a medicine adding hole 62, a sealing sleeve 63, an inserting column 64, a sealing ring 65, a filter structure 70, a fixing plate 71, an inserting seat 72, a sealing gasket 73, a movable frame 74, filter cloth 75 and a gas washing solution 80.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, a portable hydrogen measuring instrument with long service life includes a hydrogen measuring instrument 10, a display screen 11 disposed on the front of the hydrogen measuring instrument 10, and an air inlet pipe 20 disposed on the top of the hydrogen measuring instrument 10, and further includes: the gas washing cylinder 30 is fixedly connected with the hydrogen measuring instrument 10, is connected with the gas inlet pipe 20 through a connecting pipe 40, and is used for processing hydrogen chloride gas in the detection gas; an air pipe 50 fixedly connected with the air washing cylinder 30 and extending to the inside of the air washing cylinder 30 for air intake; and a medicine adding structure 60 provided at a side of the gas washing cylinder 30 for adding the gas washing solution 80.
When detecting, gaseous passing through trachea 50 entering, then through the processing back of scrubbing solution 80, handle the inside hydrogen chloride strong corrosive gas of gaseous, then remaining gaseous entering into the inside of surveying hydrogen appearance 10 after connecting pipe 40 and intake pipe 20 again, can detect gaseous, owing to got rid of strong corrosive gas, thereby make the gaseous life who can not corrode detecting element and aspirator pump of entering, guaranteed the survey hydrogen appearance.
The scrubbing solution 80 is sodium hydroxide solution, when gas passes through the sodium hydroxide solution, gaseous hydrogen chloride in the gas can generate water with the sodium hydroxide reaction and dissolve in the sodium chloride of water, the residual gas then continues to move and enters into intake pipe 20 through connecting pipe 40, finally enter into hydrogen meter 10 and be detected, do not contain or only contain hydrogen chloride strong corrosive gas a small amount in the gas this moment, thereby can reduce the corruption that hydrogen meter 10 internal part received, and long service life can add and pour out the liquid medicine through adding medicine structure 60.
Referring to fig. 2, the inside of the scrubber 30 is embedded with a glass plate 31 for observation.
The end of the air pipe 50 is provided with a filter screen 51 for filtering foreign matters.
Referring to fig. 1, 2 and 5, the medicine adding structure 60 includes: the threaded column 61 is fixedly connected with the air washing cylinder 30; a medicine adding hole 62 opened in the interior of the air washing cylinder 30 and passing through the threaded post 61; a seal sleeve 63 screwed with the threaded post 61; the plug-in column 64 is fixedly connected with the sealing sleeve 63 and extends into the dosing hole 62; and a sealing ring 65 is sleeved outside the plug column 64, and the sealing ring 65 is padded between the sealing sleeve 63 and the threaded column 61.
The sealing sleeve 63 can be screwed off or tightened by screwing the sealing sleeve 63, and after the sealing sleeve 63 is screwed off, the washing gas solution 80 can be added into the washing gas cylinder 30 through the medicine adding hole 62, and the solution after reaction can be poured out.
Referring to fig. 1, 2, 3 and 4, a filter structure 70 for filtering liquid is detachably provided inside the connection pipe 40.
The filter structure 70 includes: a socket 72 slidably mounted inside the connection pipe 40 and hermetically connected to the connection pipe 40 by a gasket 73; a through groove is formed below the plug socket 72; a fixing plate 71 fixedly connected with the socket 72 and located outside the connection pipe 40; a movable frame 74 slidably connected to the socket 72 and located inside the through-slot; a filter cloth 75 provided inside the movable frame 74; the upper half of the through groove is arc-shaped; the surface of the through groove is provided with an installation groove, and the movable frame 74 is matched with the installation groove.
In use, the filter cloth 75 prevents the passage of liquid but only gas, thereby preventing the liquid from entering the inside of the hydrogen meter 10.
In the first embodiment, the filter cloth 75 is a water-absorbing and air-permeable cloth.
In the second embodiment, the filter cloth 75 is a water-proof and air-permeable cloth.
To sum up, the utility model provides a pair of long service life's portable hydrogen meter can the gaseous strong corrosive gas of hydrogen chloride who contains in the preliminary treatment gas to can avoid being detected the inside detecting element and the aspirator pump of gaseous corrosion portable hydrogen meter, make the life of portable hydrogen meter longer.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.
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 (10)
1. The utility model provides a long service life's portable hydrogen meter, includes the hydrogen meter, sets up in the positive display screen of hydrogen meter and sets up in the intake pipe at hydrogen meter top, its characterized in that still includes:
the gas washing cylinder is fixedly connected with the hydrogen detector, is connected with the gas inlet pipe through a connecting pipe and is used for processing hydrogen chloride gas in the detection gas;
the air pipe is fixedly connected with the air washing cylinder and extends into the air washing cylinder for air inlet;
and the medicine adding structure is arranged on the side surface of the air washing cylinder and is used for adding the washing gas solution.
2. The portable hydrogen meter according to claim 1, wherein the scrubbing solution is sodium hydroxide solution.
3. The portable hydrogen meter according to claim 1, wherein the inside of the gas washing cylinder is embedded with a glass plate for observation.
4. The portable hydrogen measuring instrument with long service life according to claim 1, wherein the end of the air tube is provided with a filter screen for filtering external impurities.
5. The portable hydrogen meter according to claim 1, wherein the medicine adding structure comprises:
the threaded column is fixedly connected with the air washing cylinder;
the medicine feeding hole is formed in the inner part of the air washing cylinder and penetrates through the threaded column;
the sealing sleeve is in threaded connection with the threaded column;
and the inserting column is fixedly connected with the sealing sleeve and extends to the interior of the dosing hole.
6. The portable hydrogen measuring instrument with long service life according to claim 5, wherein the outside of the plug column is sleeved with a sealing ring, and the sealing ring is padded between the sealing sleeve and the threaded column.
7. The portable hydrogen measuring instrument with long service life according to claim 1, wherein the inside of the connecting pipe is detachably provided with a filtering structure for filtering liquid.
8. The portable hydrogen meter of claim 7, wherein the filter structure comprises:
the inserting seat is slidably arranged inside the connecting pipe and is connected with the connecting pipe in a sealing way through a sealing gasket;
a through groove is formed below the plug socket;
the fixing plate is fixedly connected with the plug socket and is positioned outside the connecting pipe;
the movable frame is connected with the plug socket in a sliding way and is positioned inside the through groove;
the filter cloth is arranged inside the movable frame;
the filter cloth is water-absorbing and breathable cloth.
9. The portable hydrogen meter of claim 8, wherein the filter cloth is a water-proof and air-permeable cloth.
10. The portable hydrogen meter according to claim 8, wherein the upper half of the through groove is arc-shaped;
the surface of crossing the groove is provided with the mounting groove, the movable frame and mounting groove looks adaptation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221337759.5U CN218567297U (en) | 2022-05-31 | 2022-05-31 | Portable hydrogen measuring instrument with long service life |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221337759.5U CN218567297U (en) | 2022-05-31 | 2022-05-31 | Portable hydrogen measuring instrument with long service life |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218567297U true CN218567297U (en) | 2023-03-03 |
Family
ID=85302442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221337759.5U Active CN218567297U (en) | 2022-05-31 | 2022-05-31 | Portable hydrogen measuring instrument with long service life |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218567297U (en) |
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2022
- 2022-05-31 CN CN202221337759.5U patent/CN218567297U/en active Active
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