Porous ventilation shell of gas detector

Abstract

The utility model provides a porous ventilation shell of a gas detector, which comprises an outer shell body, a plurality of ventilation structures which are uniformly distributed and penetrate through the outer shell body are arranged on the outer shell body, each ventilation structure comprises an arc-shaped upper top shell arranged above the outer shell body, a bottom plate fixedly connected with the outer shell body is arranged below the outer shell body, a ventilation groove is arranged on the bottom plate, and the ventilation grooves are communicated with the ventilation structures. A plurality of uniformly distributed hollow spherical shells are arranged in the upper top shell, ventilation of the instrument is realized through the ventilation structure arranged on the outer shell of the detector, external rainwater and other objects are prevented from entering the instrument by virtue of the arc-shaped design of the upper top shell, and meanwhile, the bottom plate is used for preventing external sundries from entering the instrument, so that the instrument is prevented from being damaged. The ventilation grooves achieve ventilation, the hollow spherical shell can be filled with corresponding chemical agents such as calcium carbonate, different protection effects are achieved, and due to the design of the hollow spherical shell, the probability that the hollow spherical shell is blocked by sundries can be reduced, and preliminary filtering is achieved.

Description

Technical Field

[0001] The utility model provides a ventilation shell, belongs to the technical field of gas detector equipment, and particularly relates to a multi-hole ventilation shell of a gas detector. Background Art

[0002] A gas detector is a device used to monitor the concentration of specific gases in the environment in real time. It is crucial to preventing safety incidents caused by gas leaks. It uses electrochemical, infrared, optical, and other sensor technologies to detect combustible, toxic, or oxygen gases. It is widely used in petrochemical, power plant, medical, and tunnel environments to ensure personnel safety. These devices can sound an alarm before dangerous gas concentrations reach lethal levels. When selecting a detector, consider the gas type, environmental conditions, and sensor characteristics. Regular calibration and maintenance are key to ensuring device accuracy and reliability.

[0003] Existing gas detectors monitor ambient gas concentrations with their sensor components directly exposed to the atmosphere. Long-term operation can cause dust and other particulate matter to accumulate on the sensor surface and internal optical or electronic components, affecting the instrument's measurement accuracy and response speed. Furthermore, in high-humidity environments, moisture can erode the detector's internal circuit boards and electronic components, leading to degraded insulation and potential short-circuit risks, compromising the device's stability and reliability. Utility Model Content

[0004] In order to make up for the deficiencies of the prior art, the embodiments of the present application provide a porous ventilated housing for a gas detector, thereby solving the problem that the existing gas detector is susceptible to dust accumulation and water vapor erosion, and improving the durability and measurement accuracy of the equipment.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a porous ventilation shell of a gas detector, comprising an outer shell, on which a number of ventilation structures are evenly distributed and penetrate the outer shell, the ventilation structure comprising an arc-shaped upper shell placed above the outer shell, a bottom plate fixedly connected to the outer shell is provided below the outer shell, a ventilation groove is provided on the bottom plate, and a number of evenly distributed hollow spherical shells are provided inside the upper shell.

[0006] Preferably, a plurality of connecting plates are provided between the upper shell and the outer shell, and are distributed and fixedly connected. The connecting plates are provided with through holes that penetrate the upper shell and communicate with the ventilation grooves. The arrangement shape of the connecting plates is a circle that is centrally connected to the through holes.

[0007] Preferably, a blocking plate is provided on a side of the connecting plate away from the through hole, a gap is left between the blocking plate and the upper shell, and the maximum diameter of the blocking plate is smaller than the maximum diameter of the upper shell.

[0008] Preferably, the bottom plate is provided with a plurality of air outlet holes which are evenly distributed and communicated with the ventilation grooves.

[0009] Preferably, the hollow spherical shell is provided with a plurality of irregularly distributed and deep connecting holes.

[0010] One or more technical solutions provided in the embodiments of this application have at least the following technical effects or advantages:

[0011] The utility model realizes ventilation of the instrument itself by arranging a ventilation structure placed on the outer shell of the detector. With the help of the arc design of the upper top shell, external objects such as rainwater are prevented from entering the interior of the instrument. At the same time, the bottom plate is used to block external debris from entering the interior of the instrument. The ventilation groove realizes ventilation and air exchange. At the same time, the shape of the overall ventilation part is a multi-bend ventilation pipe, which can prevent moist gas from directly entering the interior of the instrument. The hollow spherical shell can be filled with corresponding chemical agents such as calcium carbonate to achieve different protection effects. The design of the hollow spherical shell can also reduce the probability of debris clogging the hollow spherical shell and realize preliminary filtration.

[0012] Other advantages, objectives and features of the present invention will be described in part in the following description and will be apparent to those skilled in the art based on an examination of the following or may be learned from the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a three-dimensional schematic diagram of a porous ventilation housing of a gas detector according to the present invention;

[0014] Figure 2 This is a cross-sectional view of a porous ventilated housing of a gas detector according to the present invention;

[0015] Figure 3 This is an exploded view of a porous vent housing of a gas detector according to the present invention;

[0016] Figure 4 This is a three-dimensional schematic diagram of a hollow spherical shell of a porous ventilation shell of a gas detector of the present utility model;

[0017] Figure 5 The utility model is a cross-sectional view of the ventilation groove portion of the porous ventilation shell of a gas detector.

[0018] As shown in the figure:

[0019] 1. Outer shell;

[0020] 11. Bottom plate; 12. Through hole; 13. Blocking plate;

[0021] 2. Ventilation structure;

[0022] 21. Upper shell; 22. Ventilation groove; 23. Hollow spherical shell; 24. Air outlet; 25. Connecting hole. DETAILED DESCRIPTION

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

[0024] It should be noted that the terms “vertical”, “horizontal”, “up”, “down”, “left”, “right” and similar expressions used herein are for illustrative purposes only and do not represent the only implementation method.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this invention pertains; the terms used herein in the specification of this invention are for the purpose of describing specific embodiments only and are not intended to limit this invention; the term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0026] like Figure 1 and Figure 2 As shown, a porous ventilation shell of a gas detector includes an outer shell 1, a plurality of ventilation structures 2 evenly distributed on and penetrating the outer shell 1, and a plurality of connecting plates 121 located between an upper shell 21 and the outer shell 1 and distributed and fixedly connected. The connecting plates 121 are provided with through holes 12 penetrating the connecting plates 121 and communicating with the ventilation grooves 21. The arrangement shape of the connecting plates 121 is a circle that is centrally connected to the through holes 12. The ventilation structure 2 includes an arc-shaped upper shell 21 placed above the outer shell 1, a bottom plate 11 fixedly connected to the outer shell 1 is provided below the outer shell 1, a ventilation groove 22 is provided on the bottom plate 11, and a plurality of evenly distributed hollow spherical shells 23 are provided inside the upper shell 21.

[0027] In this embodiment, when designing the outer shell 1 of the detection instrument, an integrated ventilation system 2 is adopted to promote air circulation inside the instrument. This system effectively prevents the intrusion of external liquids such as rainwater through the streamlined design of the upper shell 21. In addition, the design of the bottom plate 11 acts as a barrier to prevent the penetration of external solid impurities. In order to further optimize the ventilation effect, the ventilation groove 22 is designed as a multi-bend air permeable tube structure. This structure not only promotes air circulation, but also avoids the direct penetration of humid gases, thereby protecting the electronic components and sensors inside the instrument. In addition, the design of the hollow spherical shell 23 has a dual function: on the one hand, it can be filled with specific chemicals, such as calcium carbonate, to provide additional protection; on the other hand, its structural design helps to reduce the risk of blockage by debris, thereby achieving preliminary filtration of the air entering the instrument. This design not only improves the durability of the instrument, but also enhances its stability and reliability in harsh environments.

[0028] like Figure 3 and Figure 4 As shown, a blocking plate 13 is provided on the side of the connecting plate 121 away from the through hole 12, and a gap is left between the blocking plate 13 and the upper top shell 21. The maximum diameter of the blocking plate 13 is smaller than the maximum diameter of the upper top shell 21. A plurality of evenly distributed air outlet holes 24 connected to the vent groove 21 are provided on the bottom plate 11, and a plurality of irregularly distributed and deep connecting holes 25 are provided on the hollow spherical shell 23.

[0029] In this embodiment, the design of the connecting plate 121 includes not only a through hole 12, but also a blocking plate 13 on the side away from the through hole. A gap is left between the blocking plate 13 and the upper shell 21. This design allows air circulation. At the same time, the maximum diameter of the blocking plate 13 is smaller than the maximum diameter of the upper shell 21, ensuring that the ventilation system is unobstructed. A number of evenly distributed air outlets 24 are designed on the bottom plate 11. These air outlets are connected to the ventilation groove 21, further enhancing the air circulation inside the instrument. This design helps to maintain the air pressure balance inside the instrument and discharge moisture or harmful gases that may accumulate inside. The design of the hollow spherical shell 23 has also been carefully considered. It is provided with a number of irregularly distributed connecting holes 25. These connecting holes penetrate into the interior of the spherical shell, increasing the air permeability of the spherical shell and also improving its adsorption efficiency for chemicals. This irregular distribution of holes helps to maximize the filtering and adsorption area of ​​the spherical shell without sacrificing structural strength.

[0030] When using:

[0031] 1. Install the outer shell:

[0032] First, the outer shell 1 is placed at a predetermined detection position.

[0033] 2. Check the ventilation structure:

[0034] Confirm whether the ventilation structure 2 is correctly installed on the outer shell 1 and whether the through-structure is unobstructed.

[0035] 3. Install the top case:

[0036] Place the top shell 21 on top of the outer shell 1 and ensure that its arc design is correctly aligned to prevent the intrusion of liquids such as rainwater.

[0037] 4. Install the connecting plate:

[0038] The connecting plates 121 are evenly distributed between the upper shell 21 and the outer shell 1 and ensure that they are firmly connected.

[0039] 5. Check the through hole:

[0040] Check whether the through hole 12 on the connecting plate 121 is connected to the ventilation groove 21 to ensure air circulation.

[0041] 6. Install the base plate:

[0042] Install the bottom plate 11 below the outer shell 1 and ensure that it is firmly connected.

[0043] 7. Check the vent slot:

[0044] Check whether the ventilation slots 22 on the bottom plate 11 are unobstructed to promote air circulation.

[0045] 8. Filling hollow spherical shells:

[0046] The hollow spherical shell 23 inside the upper shell 21 is filled with appropriate chemicals, such as calcium carbonate, to provide additional protection.

[0047] 9. Check the blocking plate:

[0048] Confirm whether the blocking plate 13 is correctly installed on the side of the connecting plate 121 away from the through hole 12 , and whether an appropriate gap is left between the blocking plate 13 and the upper shell 21 .

[0049] 10. Check the vent:

[0050] Check whether the air outlet holes 24 on the bottom plate 11 are evenly distributed and connected to the ventilation grooves 21.

[0051] 11. Check the connection holes:

[0052] Check whether the connection holes 25 on the hollow spherical shell 23 are irregularly distributed and penetrate deep to improve the air permeability and the adsorption efficiency of the chemical agent.

[0053] 12. Start the detector:

[0054] Turn on the power of the gas detector and start the detection program.

[0055] 13. Monitoring readings:

[0056] Observe the detector display and monitor the gas concentration readings.

[0057] 14. Regular maintenance:

[0058] Regularly check whether the ventilation structure 2 of the outer shell 1 is blocked or damaged, and clean the dust and debris in the ventilation groove 22 and the air outlet 24.

[0059] 15. Replace chemical agents:

[0060] The chemicals in the hollow spherical shell 23 are replaced regularly according to usage and the validity period of the chemicals.

[0061] 16. Turn off the detector:

[0062] After the detection task is completed, turn off the power of the gas detector.

[0063] By following these steps, you can ensure that the porous vent housing of the gas detector can effectively protect the electronic components and sensors inside the instrument while providing accurate gas detection results.

[0064] Although the present invention has been disclosed above with reference to preferred embodiments, it is not intended to limit the present invention. Anyone familiar with this technology may make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention should be based on the definition of the claims.

Claims

1. A porous ventilated housing for a gas detector, comprising an outer housing (1), characterized in that: The outer shell (1) is provided with a plurality of ventilation structures (2) evenly distributed and penetrating the outer shell, the ventilation structure (2) comprising an arc-shaped upper shell (21) placed above the outer shell (1), a bottom plate (11) fixedly connected to the outer shell (1) is provided below the outer shell (1), a ventilation groove (22) is provided on the bottom plate (11), and a plurality of evenly distributed hollow spherical shells (23) are provided inside the upper shell (21).

2. The porous vent housing of a gas detector according to claim 1, characterized in that: A plurality of connecting plates (121) are provided between the upper shell (21) and the outer shell (1), and are distributed and fixedly connected thereto. The connecting plates (121) are provided with through holes (12) that penetrate through the connecting plates and communicate with the ventilation grooves (22). The arrangement shape of the connecting plates (121) is a circle that is centrally connected to the through holes (12).

3. The porous vent housing of a gas detector according to claim 2, characterized in that: A blocking plate (13) is provided on the side of the connecting plate (121) away from the through hole (12), a gap is left between the blocking plate (13) and the upper shell (21), and the maximum diameter of the blocking plate (13) is smaller than the maximum diameter of the upper shell (21).

4. The porous vent housing of a gas detector according to claim 1, characterized in that: The bottom plate (11) is provided with a plurality of air outlet holes (24) which are evenly distributed and communicate with the ventilation grooves (22).

5. The porous vent housing of a gas detector according to claim 1, characterized in that: The hollow spherical shell (23) is provided with a plurality of irregularly distributed and deeply penetrating connection holes (25).

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