Harmful gas leakage alarm with purification treatment function

Abstract

The utility model discloses a harmful gas leakage alarm with a purification treatment function, which belongs to the technical field of harmful gas detection and comprises a detector body, an audible and visual alarm is mounted on one side of the detector body, a detection end is connected to the bottom of the detector body, an air draft assembly is arranged at the top of the detector body, and a gas outlet is formed in the top of the detector body. The top of the air draft assembly is detachably provided with a filtering assembly, the bottom of the air draft assembly communicates with two sets of air suction pipes symmetrically arranged on the outer ring of the detector body in a sleeving mode, the two sets of air suction pipes are both provided with buckle assemblies for positioning the air suction pipes, and the outer ring of the detector body is provided with positioning holes matched with the ends of the buckle assemblies. The harmful gas leakage monitoring alarm solves the problems that an existing harmful gas leakage monitoring alarm is single in function, indoor harmful gas cannot be preliminarily purified, leaked harmful gas can cause large damage to people who cannot be evacuated in time, and people cannot use the harmful gas leakage monitoring alarm conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of harmful gas detection, in particular to a harmful gas leakage alarm with a purification processing function. Background Art

[0002] The harmful gas alarm consists of a detector and an alarm control host. It is widely used in petroleum, gas, chemical, oil depot and other petrochemical industries where toxic gases exist. It is used to detect leakage in dangerous places indoors and outdoors. It is an important instrument to ensure production and personal safety. When harmful gases exist in the tested place, the detector converts the gas signal into an electrical signal and transmits it to the alarm instrument. The instrument displays the percentage concentration value of the lower explosion limit of the harmful gas. At the same time, the electrical signal will also be transmitted to the speaker for sound alarm, so as to remind the staff in time.

[0003] The existing harmful gas leakage monitoring alarm has a relatively simple function and is unable to perform preliminary purification treatment on the harmful gas in the room. The leaked harmful gas will cause great harm to the people who do not have time to evacuate, which is not conducive to people's use. Therefore, the technical personnel in this field provide a harmful gas leakage alarm with purification function to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the utility model is to provide a harmful gas leakage alarm with a purification function to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a harmful gas leakage alarm with purification and processing function, comprising a detector body, a sound and light alarm is installed on one side of the detector body, a detection terminal is connected to the bottom of the detector body, an exhaust assembly is provided on the top of the detector body, a filter assembly is detachably installed on the top of the exhaust assembly, and the bottom of the exhaust assembly is connected to two groups of suction pipes symmetrically mounted on the outer circle of the detector body, and the two groups of suction pipes are installed with snap-fit ​​assemblies for positioning them, and the outer circle of the detector body is provided with a positioning hole that matches the end of the snap-fit ​​assembly.

[0006] Preferably: the exhaust assembly includes a fixed tube, an electric motor is fixedly installed inside the fixed tube through a support rod, the output end of the electric motor is connected to multiple groups of fan blades, the bottom end of the fixed tube is connected to the top end of the two groups of suction tubes, and the top end of the fixed tube is connected to the filter assembly.

[0007] Preferably, the filter assembly comprises a filter tube detachably connected to the fixed tube, and the interior of the filter tube is provided with an activated carbon filter, a HEPA filter and an electronic filter in sequence from top to bottom.

[0008] Preferably, a first primary filter screen is installed at the top end of the filter tube.

[0009] Preferably, the outer ring at the top end of the fixing tube is provided with an external thread, and the inner ring at the bottom end of the filtering tube is provided with an internal thread matching the external thread.

[0010] Preferably, the bottom ends of the two groups of air suction pipes are connected to the same exhaust box, and a second primary filter is installed at the bottom of the exhaust box.

[0011] Preferably: the buckle assembly includes a support frame welded to the suction pipe, and two groups of clamping rods matching the size of the positioning holes are symmetrically and slidably installed inside the support frame. The ends of the two groups of clamping rods are welded with the same connecting plate, and two groups of springs mounted on the outer ring of the clamping rods are installed between the connecting plate and the support frame.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. In the utility model, by setting up an exhaust component, the exhaust component uses a suction pipe to draw air into the interior of the filter component for filtration, and uses an activated carbon filter, a HEPA filter and an electronic filter, etc., to purify harmful gases and impurities in the air in time, prevent the leaked harmful gases from causing greater damage to people who are not evacuated in time, and purify the air to improve the air quality.

[0014] 2. In the utility model, a connecting plate is provided to drive the sliding of the clamping rod and the expansion and contraction of the spring, and the air suction pipe is sleeved on the outer ring of the detector body. The clamping rod is moved to the inside of the positioning hole by the resetting of the spring, so that the air suction pipe and the components connected to the ends thereof can be quickly fixed, which facilitates the assembly between the harmful gas purification and treatment device and the harmful gas leakage alarm, and is beneficial to actual production and promotion and application. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a disassembled diagram of the structure of the utility model;

[0017] Figure 3 It is a cross-sectional view of the harmful gas purification and treatment structure of the utility model;

[0018] Figure 4 For this utility model Figure 1 A is an enlarged view of the middle image.

[0019] In the figure: 1. detector body; 2. sound and light alarm; 3. detection end; 4. suction pipe; 5. positioning hole; 6. fixing pipe; 7. support rod; 8. electric motor; 9. fan blade; 10. filter tube; 11. activated carbon filter; 12. HEPA filter; 13. electronic filter; 14. first primary filter; 15. exhaust box; 16. second primary filter; 17. support frame; 18. clamping rod; 19. connecting plate; 20. spring. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1 to Figure 4 In an embodiment of the utility model, a harmful gas leakage alarm with a purification function includes a detector body 1, a sound and light alarm 2 is installed on one side of the detector body 1, and a detection terminal 3 is connected to the bottom of the detector body 1. The detector body 1, the sound and light alarm 2 and the detection terminal 3 can all be assembled using components of existing mature technologies, and are used for real-time monitoring and alarm of critical gases. An exhaust component is provided on the top of the detector body 1, and a filter component is detachably installed on the top of the exhaust component. The bottom of the exhaust component is connected to two groups of suction pipes 4 symmetrically sleeved on the outer circle of the detector body 1, and buckle components for positioning them are installed on the two groups of suction pipes 4. The outer circle of the detector body 1 is provided with a positioning hole 5 that is compatible with the end of the buckle component.

[0022] A mounting block for fixing the detector body 1 to the wall may be welded to the side of the detector body 1, or a hoop for tying the detector body 1 to the column may be installed on the back of the detector body 1. After the detector body 1 is fixed, the buckle assembly is pulled relatively to sleeve the two sets of suction pipes 4 onto the outer ring of the detector body 1. After the suction pipe 4 drives the components at its end to move to the appropriate position, the external force is removed and the end of the buckle assembly can be embedded in the interior of the positioning hole 5 through its own elastic force, so that the harmful gas purification and treatment device can be quickly installed. When in use, the exhaust assembly is started, and the exhaust assembly draws the gas to be purified to the filter assembly through the suction pipe 4 for filtration. The filter assembly can filter and purify impurities and harmful gases in the air.

[0023] In one embodiment, specifically, the exhaust assembly includes a fixed tube 6, an electric motor 8 is fixedly installed inside the fixed tube 6 through a support rod 7, the end of the support rod 7 can be directly welded to its connecting component, the output end of the electric motor 8 is connected to multiple groups of fan blades 9, the bottom end of the fixed tube 6 is connected to the top end of the two groups of suction tubes 4, the top end of the fixed tube 6 is connected to the filter assembly, the electric motor 8 is started to drive the fan blades 9 to rotate, and the rotation of the fan blades 9 can draw the air to be purified into the interior of the filter assembly for treatment.

[0024] Among them, the filter component includes a filter tube 10 which is detachably connected to the fixed tube 6. The interior of the filter tube 10 is provided with an activated carbon filter 11, a HEPA filter 12 and an electronic filter 13 from top to bottom. The electronic filter 13 can use electrostatic force to adsorb particulate matter contained in the air, and has a good filtering effect on particulate matter such as PM2.5. The HEPA filter 12 is a high-efficiency air filter, which has a filtration efficiency of more than 99% for particles larger than 0.3 microns, and also has a very high purification effect for bacteria, viruses, etc. The activated carbon filter 11 uses the adsorption properties of activated carbon to remove harmful gases in the air, such as formaldehyde, benzene and other harmful substances. Multiple groups of filters can have a good purification effect on the air.

[0025] Furthermore, a first primary filter screen 14 is installed at the top of the filter tube 10. The first primary filter screen 14 can be made of materials such as nylon mesh, non-woven fabric, and metal mesh. It is placed at the top of the filtration system to block large particles from falling, thereby effectively protecting other filter elements. The outer ring at the top of the fixed tube 6 is provided with an external thread, and the inner ring at the bottom end of the filter tube 10 is provided with an internal thread compatible with the above-mentioned external thread. The fixed tube 6 and the filter tube 10 are connected by threads, which can facilitate the replacement of the filter assembly. The bottom ends of the two groups of suction pipes 4 are connected to the same exhaust box 15, and a second primary filter screen 16 is installed at the bottom of the exhaust box 15. The second primary filter screen 16 can also be made of materials such as nylon mesh, non-woven fabric, and metal mesh. It can filter hair, coarse dust, etc., and effectively prevent debris from entering the exhaust assembly and the filter assembly.

[0026] In one embodiment, specifically, the snap assembly includes a support frame 17 welded to the suction pipe 4, and two groups of clamping rods 18 matching the size of the positioning hole 5 are symmetrically and slidably installed inside the support frame 17. The ends of the two groups of clamping rods 18 are welded with the same connecting plate 19, and two groups of springs 20 are installed between the connecting plate 19 and the support frame 17 and are sleeved on the outer ring of the clamping rods 18.

[0027] The operator pulls the connecting plates 19 on both sides relative to each other, and the connecting plates 19 drive the clamping rod 18 to slide inside the support frame 17. The connecting plates 19 also drive the spring 20 to expand and contract. After the air suction pipe 4 is sleeved on the outer ring of the detector body 1, the external force on the connecting plate 19 is removed, and the clamping rod 18 and the connecting plate 19 are driven to move by resetting the spring 20. The end of the clamping rod 18 is embedded in the interior of the positioning hole 5, which can quickly fix the air suction pipe 4 and the components connected to its ends, facilitating the assembly between the harmful gas purification and treatment device and the harmful gas leakage alarm.

[0028] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A harmful gas leakage alarm with purification function, comprising a detector body (1), a sound and light alarm (2) is installed on one side of the detector body (1), and a detection terminal (3) is connected to the bottom of the detector body (1), characterized in that: An exhaust assembly is provided on the top of the detector body (1), a filter assembly is detachably mounted on the top of the exhaust assembly, and the bottom of the exhaust assembly is connected to two groups of suction pipes (4) symmetrically sleeved on the outer ring of the detector body (1), and both groups of suction pipes (4) are mounted with snap-fit ​​assemblies for positioning them, and the outer ring of the detector body (1) is provided with a positioning hole (5) adapted to the end of the snap-fit ​​assembly.

2. The harmful gas leakage alarm with purification function according to claim 1, characterized in that: The exhaust assembly comprises a fixed pipe (6), an electric motor (8) is fixedly installed inside the fixed pipe (6) via a support rod (7), the output end of the electric motor (8) is connected to a plurality of groups of fan blades (9), the bottom end of the fixed pipe (6) is communicated with the top ends of the two groups of suction pipes (4), and the top end of the fixed pipe (6) is connected to the filter assembly.

3. The harmful gas leakage alarm with purification function according to claim 2 is characterized in that: The filter assembly comprises a filter tube (10) detachably connected to a fixed tube (6), wherein an activated carbon filter (11), a HEPA filter (12) and an electronic filter (13) are arranged in sequence inside the filter tube (10) from top to bottom.

4. The harmful gas leakage alarm with purification function according to claim 3 is characterized in that: A first primary filter screen (14) is installed at the top end of the filter tube (10).

5. The harmful gas leakage alarm with purification function according to claim 3 is characterized in that: The outer ring at the top end of the fixing tube (6) is provided with an external thread, and the inner ring at the bottom end of the filtering tube (10) is provided with an internal thread matching the external thread.

6. The harmful gas leakage alarm with purification function according to claim 1, characterized in that: The bottom ends of the two groups of air suction pipes (4) are connected to the same exhaust box (15), and a second primary filter (16) is installed at the bottom of the exhaust box (15).

7. A hazardous gas leakage alarm with purification function according to any one of claims 1 to 6, characterized in that: The buckle assembly comprises a support frame (17) welded to the air suction pipe (4), two groups of clamping rods (18) matching the size of the positioning hole (5) are symmetrically and slidably installed inside the support frame (17), the ends of the two groups of clamping rods (18) are welded with the same connecting plate (19), and two groups of springs (20) are installed between the connecting plate (19) and the support frame (17) and are sleeved on the outer ring of the clamping rod (18).

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