Gas concentration detector

Abstract

The utility model discloses a gas concentration detector which comprises a handheld part and a display screen, the top end of the handheld part is in threaded connection with a protective sleeve, the front wall of the protective sleeve is bonded with a soft belt, the front wall of the soft belt is provided with scale marks, the inner wall of the protective sleeve is provided with a metal net layer, the metal net layer and the protective sleeve are fixed in an embedded mode, and the display screen is arranged on the protective sleeve. A wire is arranged in the protective sleeve, the tail end of the protective sleeve is connected with a detection part, and the detection part is electrically connected with the handheld part. Compared with an existing gas concentration detector, the gas concentration detector is provided with the cable protection and distance indication mechanism, cable abrasion, oxidation and damage caused by compression and cutting can be effectively prevented, meanwhile, the depth of the detection mechanism can be indicated, and the practicability of the device is improved; the detection structure of the device is provided with a buffer mechanism and a protection mechanism, so that the detection structure can be effectively prevented from being damaged due to collision, and the detection structure can be prevented from sucking excessive dust and sundries during air draft.

Description

Technical Field

[0001] The utility model relates to the technical field of gas detectors, in particular to a gas concentration detector. Background Art

[0002] Gas concentration detectors can be used to monitor the concentrations of harmful gases, toxic gases, flammable gases, etc., and warn people to avoid unsafe conditions. Therefore, gas concentration detectors can be widely used in various fields such as environmental monitoring, pollution control, industrial production, aerospace exploration, medical treatment, and fire fighting.

[0003] The announcement number authorized by China is CN218331478U, and the patent is named a pollutant gas concentration detector. The device includes a detection component, a handheld component under the detection component, a connecting sensor line between the detection component and the handheld component, a ventilation chamber inside the detection component, a round through hole on one side of the detection component, an exhaust fan in the round through hole, ventilation ports on both sides of the detection component, a gas sensor in the ventilation chamber, a snap-in groove 1 and a snap-in groove 2 at the bottom of the detection component, a connector at the bottom of the detection component, a signal terminal 1 at one end of the connector, a connecting port at the top of the handheld component, a signal terminal 2 at the bottom of the connecting port, a limit slot 1 and a limit slot 2 at the top of the handheld component, a card connector 1 and a card connector 2 in the limit slot 1 and the limit slot 2, and a rigid spring on one side of the card connector 1 and the card connector 2. The utility model provides a pollutant gas concentration detector that can be handheld and can perform long-distance in-depth detection, and has a wide detection range.

[0004] Although the above device can perform long-distance and in-depth detection, there are still some problems when using the device:

[0005] 1. The device does not have a pay-out distance measurement mechanism and a line protection structure. When the device is used for measurement, the line is easily worn and damaged, and it is difficult to control the pay-out length.

[0006] 2. The detection structure of the device does not have a protective and dustproof mechanism. When the device is used for detection, its detection structure is easily broken or damaged, and its exhaust fan is easy to suck debris in the air into the device.

[0007] In view of the above situation, technical innovation is carried out on the basis of the existing gas concentration detector. Utility Model Content

[0008] The purpose of the utility model is to provide a gas concentration detector to solve the problems raised in the above background technology.

[0009] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a gas concentration detector, comprising a handheld part and a display screen, the top end of the handheld part is threadedly connected to a protective cover, and a soft belt is bonded to the front wall of the protective cover, the front wall of the soft belt is provided with a scale mark, the inner wall of the protective cover is provided with a metal mesh layer, and the metal mesh layer and the protective cover are embedded and fixed, a wire is provided inside the protective cover, the end of the protective cover is connected to a detection part, and the detection part is electrically connected to the handheld part, the display screen is fixed to the top of the front wall of the handheld part, and a control panel is embedded and fixed at the bottom end of the front wall of the handheld part.

[0010] Furthermore, an anti-collision pad is arranged outside the detection part, and the anti-collision pad is made of foam material.

[0011] Furthermore, a detection sensor is fixed to the inner bottom wall of the detection part, and an exhaust fan is provided at one inner end of the detection part.

[0012] Furthermore, a dustproof net 1 is inlaid and fixed on an inner wall of one side of the detection part, and a dustproof net 2 is inlaid and fixed on an inner wall of a side of the detection part away from the dustproof net 1.

[0013] Furthermore, a power supply component is fixed to the bottom end of the handheld part, and the power supply component includes a battery and a charging interface, and a charging interface is provided at the bottom of the front end of the battery.

[0014] Furthermore, the power supply component is electrically connected to the wires, display screen, control panel, detection sensor, and exhaust fan.

[0015] Compared with the prior art, the beneficial effects of the utility model are: the device is provided with a cable protection and distance indicating mechanism, which can effectively prevent the cable from being damaged by wear, oxidation, compression and cutting, and can indicate the depth of the detection mechanism, which is beneficial to improving the practicality of the device; the detection structure of the device is provided with a buffer mechanism and a protective mechanism, which can effectively prevent the detection structure from being damaged by impact, and can also prevent the detection structure from inhaling too much dust and debris when exhausting air.

[0016] 1. The utility model is provided with a protective cover, a soft belt, a scale mark, a metal mesh layer and a wire. The protective cover is made of Teflon material, which has the characteristics of wear resistance and corrosion resistance, can effectively protect the wire and avoid the wear of the wire when the detection part is retracted and released. The metal mesh layer can improve the shielding property of the wire and reduce the interference of the wire. At the same time, the metal mesh layer further improves the wear resistance, cut resistance, pressure resistance and folding resistance of the protective cover, thereby greatly improving the service life of the wire. The soft belt is made of PVC glass fiber material, which is tensile and wear-resistant. The scale mark takes the detection part as the starting point. Through the scale mark on the soft belt, the user can judge the release length of the wire, so as to facilitate the user to detect the gas concentration at different depths. Through the above structure, it can effectively prevent the cable from being worn, oxidized and damaged by pressure and cutting. At the same time, it can indicate the depth of the detection mechanism, which is conducive to improving the practicality of the device.

[0017] 2. The utility model is provided with a detection part, an anti-collision pad, a dustproof net 1 and a dustproof net 2. The anti-collision pad is made of foam material and is relatively thick. When the detection part collides with a wall or the ground, the anti-collision pad can effectively buffer the impact force of the collision, thereby greatly reducing the probability of the detection part being broken or damaged. The dustproof net 1 and the dustproof net 2 can effectively prevent the exhaust fan from sucking flying catkins, dust, etc. into the detection part when exhausting air, or causing the exhaust fan to be entangled. Through the above structure, the device can effectively prevent the detection structure from being damaged by impact, and can also prevent the detection structure from sucking in too much dust and debris when exhausting air. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the front view structure of a gas concentration detector of the utility model;

[0019] Figure 2 It is a schematic diagram of a partial front view and cross-section of a protective cover, a metal mesh layer and a wire of a gas concentration detector of the utility model;

[0020] Figure 3 It is a partial front view and cross-sectional enlarged structural schematic diagram of a detection part, an anti-collision pad, a detection sensor, an exhaust fan, a dustproof net 1 and a dustproof net 2 of a gas concentration detector of the utility model.

[0021] In the figure: 1. Hand-held part; 2. Protective cover; 3. Soft belt; 4. Scale mark; 5. Metal mesh layer; 6. Wire; 7. Detection part; 8. Display screen; 9. Control panel; 10. Anti-collision pad; 11. Detection sensor; 12. Exhaust fan; 13. Dustproof net 1; 14. Dustproof net 2; 15. Power supply component; 1501. Battery; 1502. Charging port. DETAILED DESCRIPTION

[0022] The following is combined with Figure 1-3The principles and features of the present invention are described, and the examples given are only used to explain the present invention, and are not used to limit the scope of the present invention. The present invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become clearer according to the following description and claims. It should be noted that the drawings are all in a very simplified form and are not in precise proportions, and are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the present invention.

[0023] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a component centered. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a component centered. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a component centered. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0025] like Figure 1 and Figure 2As shown, a gas concentration detector includes a handheld part 1 and a display screen 8, the top of the handheld part 1 is threadedly connected with a protective cover 2, and a soft belt 3 is bonded to the front wall of the protective cover 2, and a scale mark 4 is arranged on the front wall of the soft belt 3, and a metal mesh layer 5 is arranged on the inner wall of the protective cover 2, and the metal mesh layer 5 and the protective cover 2 are embedded and fixed, a wire 6 is arranged inside the protective cover 2, and a detection part 7 is connected to the end of the protective cover 2, and the detection part 7 is electrically connected to the handheld part 1, the display screen 8 is fixed to the top of the front wall of the handheld part 1, and a control panel 9 is embedded and fixed at the bottom of the front wall of the handheld part 1, and the protective cover 2 is made of Teflon material, which has the characteristics of wear resistance and corrosion resistance, can effectively protect the wire 6, and avoid the detection of When the measuring part 7 is used, the wire 6 is worn. The metal mesh layer 5 can improve the shielding property of the wire 6 and reduce the interference to the wire 6. At the same time, the metal mesh layer 5 further improves the wear resistance, cut resistance, pressure resistance and folding resistance of the protective cover 2, thereby greatly improving the service life of the wire 6. The soft belt 3 is made of PVC glass fiber material, which is tensile and wear-resistant. The scale mark 4 takes the detection part 7 as the starting point. Through the scale mark 4 on the soft belt 3, the user can judge the release length of the wire 6, so as to facilitate the user to detect the gas concentration at different depths. Through the above structure, the cable can be effectively prevented from being worn, oxidized, and damaged by pressure and cutting. At the same time, it can indicate the depth of the detection mechanism, which is conducive to improving the practicality of the device.

[0026] like Figure 1 and Figure 3 As shown, an anti-collision pad 10 is arranged outside the detection part 7, and the anti-collision pad 10 is made of foam, a detection sensor 11 is fixed to the inner bottom wall of the detection part 7, and an exhaust fan 12 is arranged at one end of the inner part of the detection part 7, a dustproof net 13 is inlaid and fixed to the inner wall of one side of the detection part 7, and a dustproof net 2 14 is inlaid and fixed to the inner wall of the side of the detection part 7 away from the dustproof net 13, a power supply component 15 is fixed to the bottom end of the handheld part 1, and the power supply component 15 includes a battery 1501 and a charging interface 1502, and the charging interface 1502 is arranged at the bottom of the front end of the battery 1501, and the power supply component 15 is connected to the wire 6 and the display screen 8. , the control panel 9, the detection sensor 11, and the exhaust fan 12 are all electrically connected. The anti-collision pad 10 is made of foam material and is relatively thick. When the detection part 7 collides with the wall or the ground, the anti-collision pad 10 can effectively buffer the impact force of the collision, thereby greatly reducing the probability of the detection part 7 being broken or damaged. The dustproof net 13 and the dustproof net 2 14 can effectively prevent the exhaust fan 12 from sucking flying catkins, dust, etc. into the detection part 7 when exhausting air, or causing the exhaust fan 12 to be entangled. Through the above structure, the device can effectively prevent the detection structure from being damaged by impact, and can also prevent the detection structure from sucking in too much dust and debris when exhausting air.

[0027] In summary: when using the gas concentration detector, first, the power supply component 15 can supply power to the device, a processor module is provided inside the handheld part 1, the user can place the detection sensor 11 to a specified depth at a specified location, and turn on the device through the control panel 9, at which time the exhaust fan 12 can draw the gas into the detection part 7, the detection sensor 11 can detect the gas concentration, and transmit the gas concentration information to the display screen 8 through the wire 6, the protective cover 2 is made of Teflon material, which has the characteristics of wear resistance and corrosion resistance, and can effectively protect the wire 6 to avoid wear of the wire 6 when the detection part 7 is retracted and released, the metal mesh layer 5 can improve the shielding property of the wire 6 and reduce the interference of the wire 6, and at the same time the metal mesh layer 5 further improves the wear resistance and cut resistance of the protective cover 2 , pressure resistance and folding resistance, thereby greatly improving the service life of the wire 6. The soft belt 3 is made of PVC glass fiber material, which is tensile and wear-resistant. The scale mark 4 takes the detection part 7 as the starting point. Through the scale mark 4 on the soft belt 3, the user can judge the release length of the wire 6, which is convenient for the user to detect the gas concentration at different depths. The anti-collision pad 10 is made of foam material and is thicker. When the detection part 7 collides with the wall or the ground, the anti-collision pad 10 can effectively buffer the impact force of the collision, thereby greatly reducing the probability of the detection part 7 falling or crashing. The dustproof net 1 13 and the dustproof net 2 14 can effectively prevent the exhaust fan 12 from sucking flying catkins, dust, etc. into the detection part 7 when exhausting air, or causing the exhaust fan 12 to be entangled. This is the working principle of the gas concentration detector.

[0028] The above are only preferred embodiments of the present invention and are not intended to limit the present invention in any form. Any ordinary technician in the industry can smoothly implement the present invention as shown in the drawings and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the present invention using the technical content disclosed above are all equivalent embodiments of the present invention. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the present invention are still within the protection scope of the technical solution of the present invention.

Claims

1. A gas concentration detector, comprising a handheld part (1) and a display screen (8), characterized in that: The top end of the handheld part (1) is threadedly connected to a protective cover (2), and a soft belt (3) is bonded to the front wall of the protective cover (2), and a scale mark (4) is provided on the front wall of the soft belt (3). The inner wall of the protective cover (2) is provided with a metal mesh layer (5), and the metal mesh layer (5) and the protective cover (2) are embedded and fixed. A wire (6) is provided inside the protective cover (2), and the end of the protective cover (2) is connected to a detection part (7), and the detection part (7) is electrically connected to the handheld part (1). The display screen (8) is fixed to the top of the front wall of the handheld part (1), and a control panel (9) is embedded and fixed at the bottom end of the front wall of the handheld part (1).

2. A gas concentration detector according to claim 1, characterized in that: An anti-collision pad (10) is arranged outside the detection part (7), and the anti-collision pad (10) is made of foam material.

3. A gas concentration detector according to claim 1, characterized in that: A detection sensor (11) is fixed to the inner bottom wall of the detection part (7), and an exhaust fan (12) is provided at one end of the inner part of the detection part (7).

4. A gas concentration detector according to claim 1, characterized in that: A dustproof net 1 (13) is inlaid and fixed on the inner wall of one side of the detection part (7), and a dustproof net 2 (14) is inlaid and fixed on the inner wall of the side of the detection part (7) away from the dustproof net 1 (13).

5. A gas concentration detector according to claim 1, characterized in that: A power supply component (15) is fixed to the bottom end of the handheld part (1), and the power supply component (15) comprises a storage battery (1501) and a charging interface (1502), and the charging interface (1502) is provided at the bottom of the front end of the storage battery (1501).

6. A gas concentration detector according to claim 5, characterized in that: The power supply component (15) is electrically connected to the wire (6), the display screen (8), the control panel (9), the detection sensor (11), and the exhaust fan (12).

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