Gas detection and intelligent anti-interference device
By designing a structure with four sets of card slots and locking grooves on the gas detector, combined with rubber sealing gaskets, the problem of air leakage in the air inlet box was solved, thus achieving accuracy and stability in gas detection.
Patent Information
- Application Number
- CN202422634521.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-30
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2034-10-30
AI Technical Summary
The connection between the air inlet box and the surface of the handheld gas detector is prone to air leakage, which can lead to inaccurate test results.
A gas detection and intelligent anti-interference device was designed, which adopts a structure of four sets of card slots and locking grooves. The air inlet box is fixed by friction and the connection is sealed with a rubber sealing gasket to ensure that the air inlet box is stably installed and does not leak.
This effectively avoids air leakage between the air inlet box and the detection position, ensuring the accuracy of gas detection and preventing external gas from interfering with the detection results.
Smart Images

Figure CN223730046U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a gas detection equipment field, concretely is a gas detection and intelligent anti -interference device. BACKGROUND
[0002] The working principle of the handheld gas detector is that the molecules of the gas to be detected diffuse into the sensor part of the detector by natural diffusion; due to the thermal motion of the gas molecules, they will diffuse from a high concentration area to a low concentration area; the sensor is placed in an open environment, and the gas to be detected reaches the sensor surface by natural diffusion and reacts with the sensor, so that it is detected;
[0003] The working mode of the handheld gas detector is that the gas inlet box is covered on the outside of the detection component on the surface of the detector, the gas inlet pipe and the gas outlet pipe are respectively installed on the gas inlet box, the end of the gas inlet pipe is placed at the position where gas detection is needed, and the gas outlet pipe is used for connecting the air pump; the gas inlet box is installed on the detection position on the surface of the detector, and the connection part is prone to gas leakage, which reduces the accuracy of the detection result of the equipment. UTILITY MODEL CONTENTS
[0004] The utility model discloses a gas detection and intelligent anti -interference device to solve the defect mentioned in the above -mentioned background art.
[0005] In order to achieve the above object, a gas detection and intelligent anti -interference device is provided, which comprises a detector, an indicating lamp is installed on the top of the detector, a display screen is installed on the surface of the detector, a detection position is formed on the bottom surface of the detector, a detection component is installed in the detection position, a locking piece is formed on the bottom surface of the detection position, a gas inlet box is installed on the upper side of the detection position, a gas inlet pipe is fixedly installed on one side of the upper side surface of the gas inlet box, and a gas outlet pipe is fixedly installed on the other side of the upper side surface of the gas inlet box; a clamping seat is fixedly installed at the bottom of the gas inlet box.
[0006] Preferably, four groups of locking pieces are uniformly arranged in the detection position, the locking piece comprises a butt joint groove and a locking groove, and the butt joint groove and the locking groove are communicated.
[0007] Preferably, four groups of clamping seats are uniformly installed at the bottom of the gas inlet box, and the four groups of clamping seats are centrally symmetric about the central axis of the gas inlet box; the cross section of the clamping seat is in the shape of an isosceles trapezoid.
[0008] Preferably, the size of the locking groove and the clamping seat is matched, the cross section of the locking groove is in the shape of an isosceles trapezoid, the clamping seat is inserted into the butt joint groove and clamped in the locking groove, and the cross section of the butt joint groove is in the shape of a rectangle.
[0009] Preferably, a sealing gasket is fixedly installed on the outside of the gas inlet box, and the axial cross sections of the gas inlet box and the sealing gasket are concentric circular structures.
[0010] Preferably, the air inlet box is clamped inside the circular detection position through the sealing gasket on the outside, and the diameter of the air inlet box and the sealing gasket combined together is greater than the diameter of the detection position.
[0011] Compared with the prior art, the utility model has the beneficial effects that:
[0012] 1. The utility model discloses a handheld air inlet box, and the clamping seat at the bottom of the air inlet box is clamped inside the butt joint groove, and the air inlet box is rotated to work, so that the clamping seat is clamped and fixed inside the locking groove, the clamping seat and the locking groove are all provided with four groups, the friction between the four groups of clamping seats and locking grooves can be utilized to stably and fixedly connect the air inlet box inside the detection position, and the four groups of clamping seats and locking grooves can be utilized to quickly install the air inlet box inside the detection position.
[0013] 2. The utility model discloses that the outside of the air inlet box is sealedly connected inside the detection position through the sealing gasket made of rubber material, since the diameter of the air inlet box and the sealing gasket combined together is greater than the diameter of the detection position, the air inlet box is sealedly connected inside the detection position through the sealing gasket pressed, air leakage at the connecting position between the air inlet box and the detection position can be avoided, when the detector detects the gas, the gas outside will not enter the inside of the air inlet box, will not interfere with the detection result of the detector to the gas, avoids non-detection gas from entering the inside of the air inlet box, and the inaccuracy of equipment detection is avoided. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is the front view of the utility model structure;
[0015] Figure 2 It is the surface structure schematic view of the detector;
[0016] Figure 3 It is the front view of the utility model structure; Figure 2 It is the front view of the utility model structure;
[0017] Figure 4 It is the schematic view of the air inlet box;
[0018] Figure 5 It is the bottom view of the air inlet box.
[0019] Mark number in drawing: 1, detector;2, detection position;21, detection component;22, locking piece;221, butt joint groove;222, locking groove;3, air inlet box;31, air inlet pipe;32, air outlet pipe;33, clamping seat;34, sealing gasket. DETAILED DESCRIPTION
[0020] Please refer to Figures 1-5The utility model provides a kind of gas detection and intelligent anti-interference device, including detector 1, the top of detector 1 is equipped with indicator light, and the surface of detector 1 is equipped with display screen, while the bottom surface of detector 1 is equipped with detection site 2, and detection component 21 is installed in the inside of detection site 2, the bottom surface of detection site 2 is equipped with locking piece 22, the upper side of detection site 2 is equipped with air inlet box 3, and the upper surface one side of air inlet box 3 is fixedly installed with air inlet pipe 31, while the upper surface other side of air inlet box 3 is fixedly installed with air outlet pipe 32;Air inlet box 3 bottom is fixedly installed with clamping seat 33.
[0021] Working principle: handheld air inlet box 3, the clamping seat 33 of air inlet box 3 bottom, clamping is in the inside of butt joint groove 221, and the rotation work of air inlet box 3 is carried out, so that clamping seat 33 is connected with the inside of locking groove 222, and clamping seat 33 and locking groove 222 are all set to four groups, can utilize the friction between four groups clamping seat 33 and locking groove 222, air inlet box 3 is stably fixedly connected in the inside of detection site 2, while the outside of air inlet box 3 is sealedly connected in the inside of detection site 2 by sealing pad 34 made of rubber material, since the diameter of air inlet box 3 and sealing pad 34 combination together is greater than the diameter of detection site 2, air inlet box 3 is sealedly connected in the inside of detection site 2 by the sealing pad 34 of being extruded, can avoid the connecting position between air inlet box 3 and detection site 2 from leaking, at this time, handheld two groups of hoses, one group of hoses is connected with air inlet pipe 31, and the pipeline setting is detected position;Another group of pipelines is connected with suction pump, by starting pump switch, the gas in the detected position is sucked into the inside of air inlet box 3, and gas detection is carried out by detection component 21 in the inside of detection site 2, finally, gas flows through air pump along air outlet pipe 32 and is discharged;Utilize the setting of four groups clamping seat 33 and locking groove 222, air inlet box 3 can be quickly installed in the inside of detection site 2;The outside of air inlet box 3 is sealedly connected in the inside of detection site 2 by sealing pad 34 made of rubber material, so that the gas of outside does not enter the inside of air inlet box 3 when detector 1 detects gas, does not interfere with the detection result of detector 1 to gas, avoids non-detection gas from entering the inside of air inlet box 3, causes the inaccuracy of equipment detection to occur.
[0022] As a kind of preferable implementation, four groups locking piece 22 are evenly provided in the inside of detection site 2, locking piece 22 includes butt joint groove 221 and locking groove 222, while butt joint groove 221 and locking groove 222 are communicated.
[0023] The bottom of air inlet box 3 is evenly installed with four groups clamping seat 33, and four groups clamping seat 33 are about the central symmetry structure of the central axis of air inlet box 3, while the section of clamping seat 33 is set to isosceles trapezoidal.
[0024] As a preferred embodiment, the size of the locking groove 222 and the card seat 33 are matched, and the cross section of the locking groove 222 is arranged as an isosceles trapezoid, while the card seat 33 is inserted into the inside of the butt joint groove 221 and clamped in the inside of the locking groove 222, and the cross section of the butt joint groove 221 is arranged as a rectangle.
[0025] The outer side of the air inlet box 3 is fixedly installed with a sealing gasket 34, and the axial cross section of the air inlet box 3 and the sealing gasket 34 is a concentric circle structure.
[0026] As a preferred embodiment, the air inlet box 3 is clamped in the inside of the circular detection position 2 through the outer sealing gasket 34, and the diameter of the air inlet box 3 and the sealing gasket 34 combined together is greater than the diameter of the detection position 2.
Claims
1. A gas detection and intelligent anti-interference device, comprising a detector (1), characterized in that: The detector (1) is equipped with an indicator light on its top and a display screen on its surface. The detector (1) has a detection position (2) on its bottom surface and a detection component (21) inside the detection position (2). The detection position (2) has a locking component (22) on its bottom surface. An air inlet box (3) is installed on the upper side of the detection position (2). An air inlet pipe (31) is fixedly installed on one side of the upper surface of the air inlet box (3), and an air outlet pipe (32) is fixedly installed on the other side of the upper surface of the air inlet box (3). A card holder (33) is fixedly installed at the bottom of the air inlet box (3). The detection position (2) is evenly provided with four sets of locking components (22). The locking components (22) include a docking groove (221) and a locking groove (222), and the docking groove (221) and the locking groove (222) are connected. The bottom of the air intake box (3) is evenly provided with four sets of card holders (33), and the four sets of card holders (33) are centrally symmetrical about the central axis of the air intake box (3). The cross section of the card holder (33) is an isosceles trapezoid. The locking groove (222) and the card holder (33) is sized to match, and the locking groove (222) has an isosceles trapezoidal cross section. Meanwhile, the card holder (33) is inserted into the docking groove (221) and locked inside the locking groove (222). The docking groove (221) has a rectangular cross section. The air inlet box (3) is locked inside the circular detection position (2) by the outer sealing gasket (34). The diameter of the air inlet box (3) and the sealing gasket (34) combined together is larger than the diameter of the detection position (2).
2. The gas detection and intelligent anti-interference device according to claim 1, characterized in that: A sealing gasket (34) is fixedly installed on the outside of the air intake box (3), and the axial cross-section of the air intake box (3) and the sealing gasket (34) is a concentric circle structure.