CN219871251U - Quick ventilation structure of hydrogen detector - Google Patents
Quick ventilation structure of hydrogen detector Download PDFInfo
- Publication number
- CN219871251U CN219871251U CN202321219269.XU CN202321219269U CN219871251U CN 219871251 U CN219871251 U CN 219871251U CN 202321219269 U CN202321219269 U CN 202321219269U CN 219871251 U CN219871251 U CN 219871251U
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- Prior art keywords
- air
- probe
- shell
- ventilation structure
- detector according
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- 238000009423 ventilation Methods 0.000 title claims abstract description 29
- 239000001257 hydrogen Substances 0.000 title claims abstract description 28
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 28
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims description 16
- 239000000523 sample Substances 0.000 claims abstract description 46
- 239000002184 metal Substances 0.000 claims abstract description 24
- 150000002431 hydrogen Chemical class 0.000 claims description 13
- 210000001503 joint Anatomy 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 210000003437 trachea Anatomy 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 12
- 125000004435 hydrogen atom Chemical class [H]* 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 8
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The utility model provides a rapid ventilation structure of a hydrogen detector, which comprises a shell, wherein one end of the shell is connected with a metal bent pipe, the free end of the metal bent pipe is connected with a probe, a sensor is arranged in the probe, and the free end of the probe is provided with an air inlet. In the utility model, the negative pressure detection device has the negative pressure detection function, so that the negative pressure detection device has the advantages of high detection efficiency and high detection accuracy.
Description
Technical Field
The utility model relates to the technical field of hydrogen detectors, in particular to a rapid ventilation structure of a hydrogen detector.
Background
The hydrogen detector is an instrument for detecting the concentration of hydrogen, is generally used for leakage detection, and mainly comprises a machine body and a metal bent pipe positioned at one end of the machine body, wherein a probe is arranged at one end of the metal bent pipe, a sensor is arranged in the probe, the probe is placed at a position to be detected during detection, gas at the position to be detected can enter through an air inlet hole in the probe, and the sensor can detect the entering gas.
However, the prior art has the following defects: 1. the hydrogen density is low, the floating is faster, and the hydrogen is difficult to enter the probe in a free diffusion mode, so that the detection efficiency and accuracy can be reduced; 2. currently, some hydrogen detectors with negative pressure air suction function exist in the market, but the accuracy of sampling by the probe is affected by the discharged gas, and particularly, the discharged gas is easy to reenter the probe.
To this end, the present utility model provides a rapid ventilation structure of a hydrogen detector.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model aims to provide a rapid ventilation structure of a hydrogen detector so as to solve the problems in the prior art.
In order to achieve the above object, the present utility model is realized by the following technical scheme: the utility model provides a quick ventilation structure of hydrogen gas detector, includes the shell, the one end of shell is connected with the metal return bend, and the free end of this metal return bend is connected with the probe, is provided with the sensor in this probe, the inlet port has been seted up to the free end of probe, be provided with the air exhauster in the shell, the metal return bend endotheca is equipped with the trachea, and the afterbody and the other end and the air exhauster intercommunication that should tracheal one end extend to the sensor, one side in the shell is provided with the air flue, and the venthole relative with the air flue has been seted up to the other end of this shell.
Further, the exhaust fan comprises a fan module and a fixed cover arranged on one side of the fan module, and a butt joint hole connected with the air pipe is formed in one side of the fan module.
Further, the exhaust fan is located at one end, close to the metal bent pipe, in the shell, and two ends of the air channel extend to two ends in the shell respectively.
Further, the air passage is composed of two sections of ventilation grooves, and the cross section of each ventilation groove is arc-shaped.
Further, the radius of the vent groove close to the air outlet hole is smaller than that of the other section of vent groove.
Furthermore, the probe is of a circular sleeve structure, and the opening end of the probe is connected with the metal bent pipe in a screwed mode.
Furthermore, the inner peripheral wall of the probe is provided with an internal thread connected with the metal bent pipe.
Furthermore, a sinking groove is formed in the free end of the probe, and the air inlet hole is located in the sinking groove.
Further, the number of the air inlets is one and is positioned in the middle of the sinking groove.
The beneficial effects of the utility model are as follows:
1. according to the utility model, through arranging the air pipe and the exhaust fan, negative pressure is generated in the probe, so that the speed of external gas entering the probe and flowing through the sensor is improved, and the efficiency of hydrogen detection is improved.
2. According to the utility model, the air channel and the air outlet are arranged, so that the gas sucked and exhausted in the shell is far away from the probe, and the detection precision of the sensor is not affected.
3. According to the utility model, the probe is provided with the air inlet hole, and the flow rate of the air entering through the air inlet hole can be greatly improved by matching with the negative pressure state in the probe, so that the accuracy of hydrogen detection is improved.
Drawings
FIG. 1 is a schematic view of a rapid ventilation structure of a hydrogen detector according to the present utility model after explosion deployment;
FIG. 2 is a schematic diagram showing the cooperation of the air passage and the air outlet hole in the rapid ventilation structure of the hydrogen detector according to the present utility model;
FIG. 3 is a schematic diagram showing the connection of the air pipe and the fan module in the rapid ventilation structure of the hydrogen detector according to the present utility model;
in the figure: 1. a housing; 2. a metal elbow; 3. a probe; 31. an air inlet hole; 32. sinking grooves; 4. a sensor; 5. an exhaust fan; 51. a fan module; 511. a butt joint hole; 52. a fixed cover; 6. an air pipe; 7. an air outlet hole; 8. and an airway.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
Referring to fig. 1 to 3, the present utility model provides a technical solution: the utility model provides a quick ventilation structure of hydrogen detector, including shell 1, set up circuit board and battery in the shell 1, form a confined cavity in the shell, the surface of shell 1 is provided with the display, pilot lamp and button, the one end of shell 1 is connected with metal return bend 2, the free end of this metal return bend 2 is connected with probe 3, set up the electric wire in the metal return bend 2, be provided with sensor 4 in this probe 3, sensor 4 is directly placed in the inner chamber of probe 3, sensor 4 passes through the circuit board connection in electric wire and the shell 1, inlet port 31 has been seted up to the free end of probe 3, this inlet port 31 is the inlet port of waiting to detect gas.
An exhaust fan 5 is arranged in the shell 1, an air pipe 6 is sleeved in the metal bent pipe 2, one end of the air pipe 6 extends to the tail of the sensor 4, the other end of the air pipe is communicated with the exhaust fan 5, negative pressure is generated in the probe 3 after the exhaust fan 5 is started, external air can quickly enter through the air inlet hole 31 and is contacted with the sensor 4, and the detection efficiency and accuracy are improved.
One side in the shell 1 is provided with air flue 8, and the venthole 7 opposite with air flue 8 has been seted up to the other end of this shell 1, and the gas in the shell 1 can be along air flue 8 and have venthole 7 outwards to discharge, and the distance between venthole 7 and the sensor 4 is in the biggest distribution state, and venthole 7 exhaust hydrogen can not influence the precision of probe 3 sample.
Specifically, the exhaust fan 5 includes a fan module 51 and a fixing cover 52 mounted on one side of the fan module 51, the fixing cover mounts the fan module 51 on a circuit board in the housing 1 by screws, specifically, one side of the fan module 51 is provided with a docking hole 511 connected with the air pipe 6, external ventilation is sucked into the fan module 51 through the air pipe 6, and then is discharged into the housing 1 through the fixing cover 52, that is, the fan module 51 generates negative pressure around the sensor 4 through the air pipe 6.
In this embodiment, the exhaust fan 5 is located at one end of the housing 1 near the metal bent pipe 2, two ends of the air passage 8 extend to two ends of the housing 1 respectively, wherein the air passage 8 is composed of two sections of ventilation slots, the cross section of each ventilation slot is arc-shaped, the radius of the ventilation slot further near the air outlet 7 is smaller than that of the other section of ventilation slot, and the arrangement can improve the speed of outward transmission of air in the housing 1.
In this embodiment, the probe 3 is of a circular sleeve structure, the opening end of the probe is screwed with the metal elbow 2, specifically, the inner peripheral wall of the probe 3 is provided with an internal thread connected with the metal elbow 2, and the probe 3 can be directly taken down by screwing, so that the sensor 4 is convenient to replace.
In this embodiment, the free end of the probe 3 is provided with the sink 32, the air inlets 31 are located in the sink 32, wherein the number of the air inlets 31 is one and located in the middle of the sink 32.
When the probe 3 is used, the probe 3 is stretched into a position to be detected, then the fan module 51 is started, air flow is generated in the air pipe 6, negative pressure is generated in the probe 3, air around the probe 3 can be accelerated to enter the air inlet hole 31 and flow through the sensor 4, and the sensor 4 is used for measuring the concentration of hydrogen in flowing air.
After entering the shell 1, the air flows into the air outlet 7 along the air passage 8 and is discharged from the air outlet 7.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (9)
1. The utility model provides a quick ventilation structure of hydrogen gas detector, includes shell (1), the one end of shell (1) is connected with metal return bend (2), and the free end of this metal return bend (2) is connected with probe (3), is provided with sensor (4) in this probe (3), inlet port (31) have been seted up to the free end of probe (3), a serial communication port, be provided with air exhauster (5) in shell (1), metal return bend (2) endotheca is equipped with trachea (6), and the afterbody and the other end and air exhauster (5) intercommunication of this trachea (6) extend to sensor (4), one side in shell (1) is provided with air flue (8), and venthole (7) relative with air flue (8) have been seted up to the other end of this shell (1).
2. The rapid ventilation structure of a hydrogen detector according to claim 1, wherein: the exhaust fan (5) comprises a fan module (51) and a fixed cover (52) arranged on one side of the fan module (51), and a butt joint hole (511) connected with the air pipe (6) is formed on one side of the fan module (51).
3. The rapid ventilation structure of a hydrogen detector according to claim 2, wherein: the exhaust fan (5) is positioned at one end, close to the metal bent pipe (2), in the shell (1), and two ends of the air passage (8) extend to two ends in the shell (1) respectively.
4. A rapid ventilation structure of a hydrogen detector according to claim 3, wherein: the air passage (8) is composed of two sections of air grooves, and the cross section of each air groove is arc-shaped.
5. The rapid ventilation structure of a hydrogen detector according to claim 4, wherein: the radius of the ventilation groove near the air outlet hole (7) is smaller than that of the other ventilation groove.
6. The rapid ventilation structure of a hydrogen detector according to claim 1, wherein: the probe (3) is of a circular sleeve structure, and the opening end of the probe is connected with the metal bent pipe (2) in a screwing way.
7. The rapid ventilation structure of a hydrogen detector according to claim 6, wherein: the inner peripheral wall of the probe (3) is provided with an internal thread connected with the metal bent pipe (2).
8. The rapid ventilation structure of a hydrogen detector according to claim 1, wherein: the free end of the probe (3) is provided with a sinking groove (32), and the air inlet hole (31) is positioned in the sinking groove (32).
9. The rapid ventilation structure of a hydrogen detector according to claim 8, wherein: the number of the air inlets (31) is one, and the air inlets are positioned in the middle of the sink (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321219269.XU CN219871251U (en) | 2023-05-19 | 2023-05-19 | Quick ventilation structure of hydrogen detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321219269.XU CN219871251U (en) | 2023-05-19 | 2023-05-19 | Quick ventilation structure of hydrogen detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219871251U true CN219871251U (en) | 2023-10-20 |
Family
ID=88339705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321219269.XU Active CN219871251U (en) | 2023-05-19 | 2023-05-19 | Quick ventilation structure of hydrogen detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219871251U (en) |
-
2023
- 2023-05-19 CN CN202321219269.XU patent/CN219871251U/en active Active
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