Gas detector with anti-interference function

By designing filtering, cleaning, and collection components into the gas detector, the problem of detection inaccuracy caused by impurity blockage is solved, achieving efficient and reliable detection results for the gas detector.

CN223784281UActive Publication Date: 2026-01-09ANHUI APIG XINHUI OPTOELECTRONICS TECH
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Patent Information

Application Number
CN202423190343.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-23
Publication Date
2026-01-09
Estimated Expiration
2034-12-23

AI Technical Summary

Technical Problem

Existing gas detectors are susceptible to problems when dust and other impurities in the environment enter the air intake port, leading to poor air intake or even blockage. This affects the accuracy and timeliness of detection and may cause false alarms.

Method used

A gas detector with anti-interference function was designed, comprising a filtering component, a cleaning component, and a collection component. The filtering component intercepts impurities, the cleaning component cleans the impurities, and the collection component collects the cleaned impurities, ensuring the cleanliness of the gas and the accuracy of the detection.

Benefits of technology

This effectively prevents impurities from clogging the filter, ensuring the sensitivity and accuracy of the gas detector and improving its practicality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a gas detector with an anti-interference function, and the gas detector comprises a gas detector main body, the rear side of the gas detector main body is provided with an installation part; the gas inlet pipe is mounted on the left side of the gas detector main body; the filtering assembly is mounted on the gas inlet pipe, and the filtering assembly is used for intercepting impurities entering the gas; the cleaning assembly is mounted on the filtering assembly; the collecting assembly is mounted at the bottom end of the air inlet pipe; and the gas outlet assembly is mounted on the right side of the gas detector. Impurities intercepted on the surface of the filtering assembly are cleaned through the cleaning assembly, so that the surface of the filtering assembly is clean, the overall filtering effect of the filtering assembly is guaranteed, the situation that the impurities block a filtering net to affect unsmooth gas inlet is avoided, the cleanliness of entering gas is guaranteed, and the situation that the impurities interfere with the detection accuracy of the gas detector body is avoided; the practicability of the gas detector main body is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a gas detector, especially a gas detector with anti -interference function. BACKGROUND

[0002] The gas detector is a kind of instrument for detecting gas concentration, which is suitable for dangerous place with combustible or toxic gas, can detect the content within the lower limit of explosion of measured gas in air for a long time continuously, can be widely used in gas, petrochemical industry, metallurgy, steel, coking, power and other industries with combustible or toxic gas, and is ideal monitoring instrument for guaranteeing property and personal safety.

[0003] In the use of existing gas detector, dust and other impurities often exist in the environment, dust gas is easy to enter the gas inlet port of gas detector, leading to poor air intake, even complete blockage, thereby affecting the accuracy and timeliness of gas detection, the blockage of air intake unit not only reduces the sensitivity of detector, but also may cause the sensor to receive false gas concentration signal due to poor gas circulation, thereby causing false alarm. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of gas detectors with anti-interference function, to solve the technical problem that due to the dust and other impurities often exist in the environment, dust gas is easy to enter the gas inlet port of gas detector, leading to poor air intake, even complete blockage, thereby affecting the accuracy and timeliness of gas detection, the blockage of air intake unit not only reduces the sensitivity of detector, but also may cause the sensor to receive false gas concentration signal due to poor gas circulation, thereby causing false alarm.

[0005] The utility model solves the above technical problem by the following technical scheme:

[0006] The utility model provides a kind of gas detectors with anti-interference function, the gas detector with anti-interference function includes:

[0007] Gas detector main body, installation portion is installed in the gas detector main body back side;

[0008] Air inlet pipe, air inlet pipe is installed on the left side of the gas detector main body;

[0009] Filtering assembly, filtering assembly is installed on air inlet pipe, and filtering assembly is used to intercept impurities in entering gas;

[0010] Cleaning assembly, cleaning assembly is installed on filtering assembly, and cleaning assembly is used to clean the impurities intercepted by filtering assembly;

[0011] Collecting assembly, collecting assembly is installed at the bottom end of air inlet pipe, and collecting assembly is used to collect the impurities cleaned off.

[0012] An air outlet assembly is mounted on the right side of the gas detector, and is used for intercepting external impurities.

[0013] Further, the filter assembly comprises a communication pipe, an air inlet and a filter screen, the communication pipe is fixedly connected to the air inlet pipe, and the air inlet is arranged on one side of the end of the air inlet pipe, and the filter screen is arranged on the other side of the communication pipe.

[0014] Further, the cleaning assembly comprises a fixing seat, a threaded ring, a motor, a connecting column, a cleaning plate, an air bag, an air pipe and a cleaning brush, the threaded ring is arranged at the bottom end of the fixing seat, the threaded ring is threadedly connected to the top end of the communication pipe, the motor is arranged in the fixing seat, the connecting column is fixedly arranged on the side surface of the output shaft of the motor, the cleaning plate is fixedly connected to the end of the connecting column, the air bag is arranged on the side surface of the cleaning plate, and the cleaning brush is fixedly arranged on the right side inner surface of the air bag.

[0015] Further, the air bag is fixedly connected with the air pipe, and the valve is arranged on the surface of the air pipe.

[0016] Further, the length of the cleaning brush is greater than that of the filter screen, the filter screen has a circular arc structure in a top view, and the filter screen is embedded in the side surface of the communication pipe.

[0017] Further, the mounting portion comprises a mounting seat and a mounting bolt, the mounting seat is fixedly arranged on the rear side surface of the gas detector body, and the mounting bolt penetrates through the surface of the mounting seat.

[0018] Further, the collecting assembly comprises a sealing cover, a fixing ring, a supporting column, a collecting shell, a material falling shell and a material falling hole, the sealing cover is threadedly connected to the bottom end of the communication pipe, the fixing ring is fixedly connected to the top side inner wall of the sealing cover, the collecting shell is fixedly connected to the inner wall of the sealing cover, the supporting column is fixedly connected to the bottom side inner wall of the collecting shell, the material falling shell is fixedly connected to the top end of the supporting column, and the material falling hole is arranged at the bottom end edge of the material falling shell.

[0019] Further, the outer side surface of the material falling shell is slidably connected to the bottom end inner cavity of the communication pipe, and the outer side surface of the collecting shell is slidably connected to the bottom end inner cavity of the communication pipe.

[0020] Further, the top end of the material falling shell has a conical structure, and a plurality of material falling holes are arranged in a ring shape at the bottom end edge of the material falling shell.

[0021] Further, the air outlet assembly comprises an air outlet pipe and an intercepting filter screen, the air outlet pipe is fixedly connected to the top end side surface of the gas detector body, and the intercepting filter screen is arranged at the end of the air outlet pipe.

[0022] Based on common knowledge in the field, the above-mentioned preferred conditions can be combined arbitrarily to obtain various preferred embodiments of this utility model.

[0023] The positive and progressive effects of this utility model are as follows:

[0024] The aforementioned gas detector with anti-interference function allows external gas to enter the detector body through an intake pipe. The gas enters the intake pipe and is filtered by a filter assembly, facilitating the interception of impurities in the gas within a collection assembly. The collection assembly then facilitates the removal of impurities. Simultaneously, during the filtration process, a cleaning assembly is activated to remove impurities from the filter assembly surface, ensuring a clean surface and guaranteeing the overall filtration effect. This prevents impurities from clogging the filter and hindering airflow, ensuring the cleanliness of the incoming gas and preventing impurities from interfering with the accuracy of the gas detector, thus improving the practicality of the gas detector body. Attached Figure Description

[0025] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application.

[0026] Figure 1 This is a three-dimensional structural diagram of the gas detector of this utility model.

[0027] Figure 2 This is a front cross-sectional view of the gas detector of this utility model.

[0028] Figure 3 This is a three-dimensional structural diagram of the rear side of the gas detector of this utility model.

[0029] Figure 4 This is a bottom-view three-dimensional structural diagram of the gas detector of this utility model.

[0030] Figure 5 This is a top-view cross-sectional view of the connecting pipe and the air inlet pipe of the gas detector of this utility model.

[0031] Figure 6 This is a three-dimensional structural diagram of the cleaning component of the gas detector of this utility model.

[0032] Figure 7 This is a front view schematic diagram of the cleaning component of the gas detector of this utility model.

[0033] Explanation of reference numerals in the attached figures

[0034] 1. Gas detector body; 2. Inlet pipe; 3. Filter assembly; 31. Connecting pipe; 32. Inlet; 33. Filter screen; 4. Mounting part; 41. Mounting base; 42. Mounting bolt; 5. Collection assembly; 51. Sealing cover; 52. Fixing ring; 53. Support column; 54. Collection shell; 55. Discharge shell; 56. Discharge hole; 6. Cleaning assembly; 61. Fixing base; 62. Threaded ring; 63. Motor; 64. Connecting column; 65. Cleaning plate; 66. Airbag; 67. Air pipe; 68. Cleaning brush; 7. Exhaust assembly; 71. Exhaust pipe; 72. Interception filter screen. Detailed Implementation

[0035] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort should fall within the scope of protection of the present application.

[0036] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate for the embodiments of this application described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0037] In this application, the terms "upper," "lower," "left," "right," "front," "rear," "top," "bottom," "inner," "outer," "middle," "vertical," "horizontal," "lateral," and "longitudinal" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for the purpose of better describing this application and its embodiments, and are not intended to limit the indicated device, element, or component to having a specific orientation, or to be constructed and operated in a specific orientation.

[0038] Furthermore, in addition to indicating location or positional relationship, some of the aforementioned terms may also have other meanings. For example, the term "above" may also be used in some cases to indicate a certain dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.

[0039] Furthermore, the terms "installation," "setup," "equipped with," "connection," "linking," and "socketing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral structure; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium, or an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.

[0040] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other.

[0041] like Figures 1-7 As shown, the gas detector with anti-interference function includes:

[0042] Gas detector body 1, with mounting part 4 installed on the rear side of the gas detector body 1;

[0043] Air inlet pipe 2 is installed on the left side of the gas detector body 1;

[0044] Filter assembly 3, which is installed on the air inlet pipe 2, is used to intercept impurities in the incoming gas;

[0045] Cleaning component 6, which is installed on filter component 3, is used to clean impurities intercepted by filter component 3;

[0046] Collection component 5, which is installed at the bottom of the air intake pipe 2, is used to collect fallen impurities;

[0047] Gas outlet component 7 is installed on the right side of the gas detector and is used to intercept external impurities.

[0048] External gas enters the gas detector body 1 through the intake pipe 2. The gas entering the intake pipe 2 is filtered by the filter assembly 3, which facilitates the interception of impurities in the gas in the collection assembly 5. The collection assembly 5 is used for subsequent removal and processing. At the same time, while the filter assembly 3 is intercepting impurities, the cleaning assembly 6 is activated to clean the impurities intercepted on the surface of the filter assembly 3, ensuring the cleanliness of the surface of the filter assembly 3, ensuring the overall filtration effect of the filter assembly 3, and preventing impurities from clogging the filter screen 33 and affecting the smooth flow of air. This ensures the cleanliness of the incoming gas and prevents impurities from interfering with the detection accuracy of the gas detector body 1, thereby improving the practicality of the gas detector body 1.

[0049] The filter assembly 3 includes a connecting pipe 31, an air inlet 32, and a filter screen 33. The connecting pipe 31 is fixedly connected to the air inlet pipe 2. The air inlet 32 ​​is provided on the side of the connecting pipe 31 facing the port of the air inlet pipe 2, and the filter screen 33 is installed on the other side of the corresponding connecting pipe 31.

[0050] During air intake, impurities in the incoming gas are intercepted by the filter screen 33 to ensure the cleanliness of the incoming gas and prevent impurities from interfering with the accuracy of the gas detector body 1, thereby improving the practicality of the gas detector body 1.

[0051] The cleaning assembly 6 includes a fixed base 61, a threaded ring 62, a motor 63, a connecting post 64, a cleaning plate 65, an airbag 66, an air tube 67, and a cleaning brush 68. The fixed base 61 is fitted with a threaded ring 62 at its bottom end, which is threadedly connected to the top end of the connecting tube 31. The fixed base 61 houses the motor 63. The motor 63 is fixedly mounted on the output shaft side surface of the motor 63. The cleaning plate 65 is fixedly connected to the end of the connecting post 64. The cleaning plate 65 is mounted on the side surface of the cleaning plate 65. The cleaning brush 68 is fixedly mounted on the inner right side surface of the airbag 66.

[0052] An air tube 67 is fixedly connected to the side surface of the airbag 66, and a valve is installed on the surface of the air tube 67.

[0053] The bristles of the cleaning brush 68 are in contact with the inner wall of the filter screen 33. The length of the cleaning brush 68 is greater than the length of the filter screen 33. The filter screen 33 has a circular arc-shaped cross-section when viewed from above. The filter screen 33 is embedded in the side surface of the connecting pipe 31.

[0054] Start the motor 63, which drives the connecting post 64 on the side surface of the output shaft to rotate. The connecting post 64 drives the cleaning plate 65 fixedly connected at the end to rotate. The cleaning plate 65 drives the fixedly connected airbag 66 to rotate. The airbag 66 adheres to the filter screen 33 through the cleaning brush 68. The rotating cleaning brush 68 cleans the impurities on the inner wall of the filter screen 33, ensuring the air permeability of the filter screen 33.

[0055] The mounting part 4 includes a mounting base 41 and mounting bolts 42. The mounting base 41 is fixedly mounted on the rear surface of the gas detector body 1, and the mounting bolts 42 pass through the surface of the mounting base 41.

[0056] The collecting assembly 5 includes a sealing cap 51, a fixing ring 52, a support column 53, a collecting shell 54, a discharge shell 55, and a discharge hole 56. The sealing cap 51 is threaded to the bottom end of the connecting pipe 31. The fixing ring 52 is fixedly connected to the inner wall of the top side of the sealing cap 51. The collecting shell 54 is fixedly connected to the inner wall of the sealing cap 51. The support column 53 is fixedly connected to the inner wall of the bottom side of the collecting shell 54. The discharge shell 55 is fixedly connected to the top of the support column 53. The discharge hole 56 is provided at the bottom edge of the discharge shell 55.

[0057] The cleaned impurities fall onto the surface of the discharge shell 55 and enter the subsequent collection shell 54 through the discharge hole 56. By separating the collection component 5 from the connecting pipe 31, it is easy to clean the impurities and meet the usage requirements.

[0058] The outer surface of the material discharge shell 55 is slidably connected to the inner cavity at the bottom of the connecting pipe 31, and the outer surface of the collection shell 54 is slidably connected to the inner cavity at the bottom of the connecting pipe 31.

[0059] The top of the material discharge shell 55 has a conical structure, and several material discharge holes 56 are distributed in a ring at the bottom edge of the material discharge shell 55.

[0060] The gas outlet assembly 7 includes a gas outlet pipe 71 and an intercepting filter 72. The gas outlet pipe 71 is fixedly connected to the top side surface of the gas detector body 1, and the intercepting filter 72 is installed at the end of the gas outlet pipe 71.

[0061] This facilitates the interception of external impurities at the end of the gas outlet pipe 71, preventing gas backflow that carries impurities into the gas detector body 1, and ensuring the stable use of the gas detector body 1.

[0062] The circuits, electronic components, and modules involved are all existing technologies, which can be fully implemented by those skilled in the art, and need not be elaborated upon. The content protected by this application does not involve any improvement to the software and methods.

[0063] This utility model is not limited to the above-described embodiments. Any changes in its shape or structure fall within the protection scope of this utility model. The protection scope of this utility model is defined by the appended claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principles and essence of this utility model, but all such changes and modifications fall within the protection scope of this utility model.

Claims

1. A gas detector with anti-interference function, characterized in that, The gas detector with anti-interference function includes: Gas detector body (1), with a mounting part installed on the rear side of the gas detector body (1); An air inlet pipe (2) is installed on the left side of the gas detector body (1); A filter assembly (3) is installed on the air inlet pipe (2) and is used to intercept impurities in the incoming gas. A cleaning component (6) is installed on the filter assembly (3) and is used to clean impurities intercepted by the filter assembly (3). Collection component (5), which is installed at the bottom of the air intake pipe (2), is used to collect fallen impurities; An exhaust assembly (7) is installed on the right side of the gas detector and is used to intercept external impurities.

2. The gas detector with anti-interference function as described in claim 1, characterized in that: The filter assembly (3) includes a connecting pipe (31), an air inlet (32), and a filter screen (33). The connecting pipe (31) is fixedly connected to the air inlet pipe (2). The connecting pipe (31) has an air inlet (32) on the side facing the port of the air inlet pipe (2), and a filter screen (33) is installed on the other side of the corresponding connecting pipe (31).

3. The gas detector with anti-interference function as described in claim 1, characterized in that: The cleaning assembly (6) includes a fixed base (61), a threaded ring (62), a motor (63), a connecting post (64), a cleaning plate (65), an airbag (66), an air tube (67), and a cleaning brush (68). The fixed base (61) is fitted with a threaded ring (62) at its bottom end, and the threaded ring (62) is threadedly connected to the top end of the connecting tube (31). The fixed base (61) is fitted with a motor (63), and the connecting post (64) is fixedly mounted on the side surface of the output shaft of the motor (63). The end of the connecting post (64) is fixedly connected to the cleaning plate (65), and the side surface of the cleaning plate (65) is fitted with an airbag (66). The inner right side surface of the airbag (66) is fixedly fitted with a cleaning brush (68).

4. The gas detector with anti-interference function as described in claim 3, characterized in that: An air tube (67) is fixedly connected to the side surface of the airbag (66), and a valve is installed on the surface of the air tube (67).

5. The gas detector with anti-interference function as described in claim 3, characterized in that: The bristles of the cleaning brush (68) are in contact with the inner wall of the filter screen (33). The length of the cleaning brush (68) is greater than the length of the filter screen (33). The filter screen (33) has a circular arc structure in its top view section. The filter screen (33) is embedded in the side surface of the connecting pipe (31).

6. The gas detector with anti-interference function as described in claim 1, characterized in that: The mounting part (4) includes a mounting base (41) and mounting bolts (42). The mounting base (41) is fixedly mounted on the rear surface of the gas detector body (1), and the mounting bolts (42) pass through the surface of the mounting base (41).

7. The gas detector with anti-interference function as described in claim 1, characterized in that: The collecting assembly (5) includes a sealing cap (51), a fixing ring (52), a support column (53), a collecting shell (54), a discharge shell (55), and a discharge hole (56). The sealing cap (51) is threaded to the bottom end of the connecting pipe (31). The fixing ring (52) is fixedly connected to the inner wall of the top side of the sealing cap (51). The collecting shell (54) is fixedly connected to the inner wall of the sealing cap (51). The support column (53) is fixedly connected to the inner wall of the bottom side of the collecting shell (54). The discharge shell (55) is fixedly connected to the top of the support column (53). The discharge hole (56) is opened at the bottom edge of the discharge shell (55).

8. The gas detector with anti-interference function as described in claim 7, characterized in that: The outer surface of the material discharge shell (55) is slidably connected to the inner cavity at the bottom of the connecting pipe (31), and the outer surface of the collection shell (54) is slidably connected to the inner cavity at the bottom of the connecting pipe (31).

9. The gas detector with anti-interference function as described in claim 7, characterized in that: The top of the material discharge shell (55) is conical, and several material discharge holes (56) are distributed in a ring at the bottom edge of the material discharge shell (55).

10. The gas detector with anti-interference function as described in claim 1, characterized in that: The gas outlet assembly (7) includes a gas outlet pipe (71) and an interception filter (72). The gas outlet pipe (71) is fixedly connected to the top side surface of the gas detector body (1), and the interception filter (72) is installed at the end of the gas outlet pipe (71).