Formaldehyde detection method and formaldehyde detection device

Abstract

The invention discloses a formaldehyde detection method and a formaldehyde detection device, the formaldehyde detection device comprises a detection tank, and further comprises a detection assembly; the detection assembly is fixedly connected to the outer wall of the detection tank and is used for detecting formaldehyde in the detected room, and the detection assembly can simply filter dust in the room and detect formaldehyde; a gas transmission assembly; the gas conveying assembly is fixedly connected to the inner wall of the detection tank and is used for conveying gas after formaldehyde detection; a stirring assembly; the stirring assembly is arranged in the detection tank, the detection tank is filled with an aqueous solution, and the stirring assembly is used for uniformly mixing the gas conveyed by the gas conveying assembly and the aqueous solution. According to the formaldehyde detection method and the formaldehyde detection device provided by the invention, firstly, formaldehyde detection is performed on the gas to be detected through the detection assembly, the detected gas is guided into the detection tank through the gas transmission assembly, and the stirring assembly is turned on to sufficiently stir and absorb formaldehyde in the gas.

Description

Technical Field

[0001] This invention relates to the field of formaldehyde detection technology, and in particular to a formaldehyde detection method and a formaldehyde detection device. Background Technology

[0002] Formaldehyde is a colorless, irritating gas that is always produced during the decoration and renovation process of building a house. Excessive inhalation of formaldehyde can easily harm the human body. Therefore, after the house is renovated, it is necessary to test and remove the formaldehyde concentration in the house to ensure that the indoor air quality is suitable for people to live in.

[0003] Formaldehyde concentration testing in homes is a crucial measure to ensure the health and safety of residents. With advancements in technology and the continuous development of testing techniques, we can choose more accurate and convenient methods to monitor indoor formaldehyde concentrations. Simultaneously, we should also pay attention to the formaldehyde release from building materials and furniture to reduce formaldehyde pollution at its source. The best way to remove formaldehyde is through ventilation, but simply opening windows does not accelerate its elimination. It's necessary to use auxiliary ventilation equipment to change the direction of airflow within the house. Therefore, it is essential to know how to provide auxiliary ventilation to areas with the highest formaldehyde concentrations. Summary of the Invention

[0004] This invention discloses a formaldehyde detection method and a formaldehyde detection device, aiming to solve the technical problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: A formaldehyde detection device includes a detection tank and further includes: A detection component is fixedly connected to the outer wall of the detection tank. The detection component is used to detect formaldehyde in the test room, and can also filter dust inside the room and detect formaldehyde. Gas delivery assembly; fixedly connected to the inner wall of the detection tank, the gas delivery assembly is used to deliver the gas after formaldehyde detection; A stirring assembly is disposed inside a detection tank containing an aqueous solution, and the stirring assembly is used to mix the gas and the aqueous solution delivered by the gas delivery assembly evenly.

[0006] The system is equipped with a detection component, a gas delivery component, and a stirring component. First, the gas to be tested is tested for formaldehyde using the detection component. After testing, the gas is introduced into the detection tank through the gas delivery component. Then, the stirring component is turned on to fully stir and absorb the formaldehyde in the gas.

[0007] The outer wall of the top of the detection tank is fixedly connected with a gas-permeable cover, and the outer wall of the top of the gas-permeable cover is fixedly connected with a handle rod.

[0008] The gas-permeable cover can be used to discharge the gas without formaldehyde after the formaldehyde in the gas is absorbed by water, so that the formaldehyde can be absorbed while being detected, and the multifunctionality of the device is improved.

[0009] The detection assembly comprises a detection box fixedly connected to the outer wall of one side of the detection tank, and the inner wall of the detection box is fixedly connected with a fixed plate. The outer wall of the top of the fixed plate is provided with a filter unit, the filter unit comprises a clamping groove, and the inner wall of the clamping groove is clamped with a clamping rod. The outer wall of the other end of the clamping rod is fixedly connected with a filter screen, the outer wall of the top of the fixed plate is provided with a ventilation opening, and the inner wall of the bottom of the fixed plate is fixedly connected with a gas guide cover. The inner wall of the detection box is fixedly connected with a horizontal plate, and the outer wall of the top of the horizontal plate is bonded with a detection plate. The outer wall of the top of the detection plate is provided with a placing groove, and the outer wall of the top of the placing groove is provided with a vent hole. The inner wall of the bottom of the detection plate, the inner wall of the top of the horizontal plate and the inner wall of one side of the detection tank are fixedly connected with the same second gas guide pipe.

[0010] The detection assembly can effectively filter the dust in the air before the gas is detected, so as to avoid the influence of impurities on the detection of formaldehyde.

[0011] The gas guide assembly further comprises a fixed disc, and the other end of the second gas guide pipe is fixedly connected to the outer wall of the fixed disc. The outer wall of the second gas guide pipe is provided with a plurality of air leakage holes distributed at equal intervals. The stirring assembly comprises a motor fixedly connected to the outer wall of the bottom of the gas-permeable cover. The output shaft of the motor is connected with a rotating rod through a shaft coupling, and the outer wall of the rotating rod is fixedly connected with a plurality of stirring rods distributed at equal intervals.

[0012] The gas guide assembly is used to transmit the detected gas.

[0013] A formaldehyde detection method, specifically comprising the following steps: Step one: place the device in the room to be detected, close all the windows and valves in the room to be detected, and form a sealed space at room temperature. The detection assembly extracts the gas in the room to be detected and detects the formaldehyde content of the extracted gas. Step 2: Turn on the exhaust fan to draw air from the room to be tested into the testing unit. The air is filtered to remove dust, and then enters the testing plate through the air guide hood and the first air guide tube. Test strips are placed on the testing plate to continuously test the air inside the testing room. Step 3: The gas after testing enters the interior of the testing tank through the gas delivery component. Turning on the stirring component can mix the formaldehyde and water in the air, which can absorb and treat the formaldehyde.

[0014] The formaldehyde detection method and device provided by the present invention are equipped with a detection component, a gas supply component and a stirring component. First, the formaldehyde in the gas to be tested is detected by the detection component. After detection, the gas is introduced into the detection tank through the gas supply component. The stirring component is turned on to fully stir and absorb the formaldehyde in the gas. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of the formaldehyde detection device proposed in this invention; Figure 2 This is a schematic diagram of the exhaust fan structure of the formaldehyde detection device proposed in this invention; Figure 3 The formaldehyde detection device proposed in this invention Figure 2 Schematic diagram of Part A; Figure 4 This is a schematic diagram of the stirring assembly of the formaldehyde detection device proposed in this invention; Figure 5 This is a schematic diagram of the gas delivery component of the formaldehyde detection device proposed in this invention; Figure 6 This is a schematic diagram of the stirring rod of the formaldehyde detection device proposed in this invention.

[0016] In the diagram: 1. Detection tank; 2. Casters; 3. Detection assembly; 4. Vent cover; 5. Handle; 6. Gas delivery assembly; 7. Stirring assembly; 301. Suction fan; 302. Detection box; 303. Horizontal plate; 304. Placement slot; 305. Snap-fit ​​slot; 306. Snap-fit ​​rod; 307. Filter screen; 308. Air guide cover; 309. First air guide pipe; 310. Detection plate; 311. Vent hole; 601. Second air guide pipe; 602. Leakage hole; 603. Fixing plate; 701. Motor; 702. Rotating rod; 703. Stirring rod. Detailed Implementation

[0017] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0018] The application discloses a formaldehyde detection method and a formaldehyde detection device.

[0019] Referring to Figure 1 , Figure 2 and Figure 4 , a formaldehyde detection device comprises a detection tank 1 internally provided with an aqueous solution, a detection assembly 3 fixedly connected to the outer wall of the detection tank 1 and used for detecting formaldehyde in a detection room, a gas conveying assembly 6 fixedly connected to the inner wall of the detection tank 1 and used for conveying gas after formaldehyde detection, and a stirring assembly 7 arranged in the interior of the detection tank 1 and used for uniformly mixing the gas conveyed by the gas conveying assembly 6 and the aqueous solution.

[0020] The detection assembly 3 can simply filter dust in the room and detect formaldehyde; by arranging the detection assembly 3, the gas conveying assembly 6 and the stirring assembly 7, the detection assembly 3 is used for detecting formaldehyde in the to-be-detected gas, the detected gas is conveyed into the detection tank 1 through the gas conveying assembly 6, and the stirring assembly 7 is opened to fully stir and absorb the formaldehyde in the gas.

[0021] Referring to Figure 1 , in a preferred embodiment, the bottom outer wall of the detection tank 1 is fixedly connected with a moving wheel 2 at four corners, the top inner wall of the detection tank 1 is covered with a gas-permeable cover 4, and the top outer wall of the gas-permeable cover 4 is fixedly connected with a handle rod 5; specifically, the moving wheel 2 is arranged to facilitate rapid movement of the device, and the gas-permeable cover 4 is arranged to facilitate rapid discharge of the gas after formaldehyde removal.

[0022] Referring to Figure 1 and Figure 2 , the detection assembly 3 comprises a detection box 302 fixedly connected to the outer wall of one side of the detection tank 1; the top inner wall of the detection box 302 is fixedly connected with air suction fans 301 arranged at equal distances, and the inner wall of the detection box 302 is fixedly connected with a fixed plate, and the top outer wall of the fixed plate is provided with a filter unit; by opening the air suction fans 301, the gas in the to-be-detected room can be introduced into the filter unit for filtration.

[0023] Referring to Figure 1 and Figure 3 , in a preferred embodiment, the filter unit comprises a clamping groove 305 arranged on the top outer wall of the fixed plate; a clamping rod 306 is clamped to the inner wall of the clamping groove 305, and the other end of the clamping rod 306 is fixedly connected with a filter screen 307; a ventilation opening is arranged on the top outer wall of the fixed plate, and the bottom inner wall of the fixed plate is fixedly connected with a gas guide cover 308; the filter screen 307 can filter impurities in the gas, and the filtered gas is conveyed through the gas guide cover 308.

[0024] Referring toFigure 1 , Figure 3 and Figure 5 A horizontal plate 303 is fixedly connected to the inner wall of the test box 308, and a test plate 310 is adhered to the top outer wall of the horizontal plate 303. A placement groove 304 is provided on the top outer wall of the test plate 310, and a vent hole 311 is provided on the top outer wall of the placement groove 304. The bottom inner wall of the test plate 310, the top inner wall of the horizontal plate 303, and one side inner wall of the test tank 1 are all fixedly connected to the same second air guide pipe 601. By placing the test paper on the test plate 310, which has a vent hole 311, gas continuously enters the test tank 1 through the test paper and the vent hole 311 along with the second air guide pipe 601.

[0025] Reference Figure 1 and Figure 5 In a preferred embodiment, the gas delivery assembly 6 includes a fixed plate 603, and the other end of the second gas guide pipe 601 is fixedly connected to the outer wall of the fixed plate 603. The outer wall of the second gas guide pipe 601 is provided with equally spaced air leakage holes 602. By filling the detection tank 1 with water to about seven or eight tenths full, the water is introduced into the water through the air leakage holes 602 for formaldehyde absorption.

[0026] Reference Figure 1 and Figure 6 The stirring assembly 7 includes a motor 701, which is fixedly connected to the bottom outer wall of the vent cover 4. The output shaft of the motor 701 is connected to a rotating rod 702 via a coupling, and the outer wall of the rotating rod 702 is fixedly connected to stirring rods 703 that are evenly distributed. When the motor 701 is turned on, the motor 701 drives the rotating rod 702 to rotate, and then the stirring rods 703 start to rotate, which can better absorb and treat formaldehyde in the gas.

[0027] A formaldehyde detection method specifically includes the following steps: Step 1: Place this device in the room to be tested, close all windows and valves in the room to be tested, and at room temperature, the room to be tested forms a sealed space. The detection component 3 extracts the gas in the room to be tested at a set time and detects the formaldehyde content of the extracted gas. Step 2: Turn on the suction fan 301 to draw the air from the room to be tested into the detection component 3. The air is filtered of dust by the filter screen 307, and then the air enters the detection plate 310 through the air guide hood 308 and the first air guide tube 309. The detection plate 310 is equipped with test strips, which can continuously detect the air inside the room. Step 3: The gas after detection enters the interior of the detection tank 1 through the gas delivery component 6. Turning on the stirring component 7 can mix the formaldehyde and water in the air, which can absorb and treat the formaldehyde.

[0028] Working principle: in use, first place the device in the room to be detected, close all the windows in the room to be detected, at room temperature, the room to be detected forms a closed space, the detection assembly 3 extracts the gas in the room to be detected at the set time, detects the formaldehyde content of the extracted gas; through the detection assembly, the formaldehyde in the detected gas is detected, and the gas is introduced into the detection tank 1 through the gas conveying assembly 6, the stirring assembly 7 is opened to fully stir and absorb the formaldehyde in the gas, the gas in the room to be detected can be introduced into the filter unit through the opening of the air suction fan 301, and the filter screen 307 can filter the impurities in the gas; after filtration, the gas is transmitted through the gas guide cover 308, the detection test paper is placed on the detection plate 310, the detection plate 310 is provided with an air hole 311, and the gas is continuously introduced into the detection tank 1 through the detection test paper and the air hole 311 and the second gas guide pipe 601, the detection tank 1 is filled with seven-eighths of water, and the water is introduced into the water through the air leakage hole 602 for formaldehyde absorption; the motor 701 is opened, the motor 701 drives the rotating rod 702 to rotate, and then the stirring rod 703 starts to rotate, so that the formaldehyde in the gas can be better absorbed and treated.

[0029] It should be noted that, in the present text, relational terms such as first and second and the like can only be used to distinguish one entity or action from another entity or action, without necessarily requiring or implying any such actual relationship or order between these entities or actions. Moreover, the terms "comprises", "comprising", or any other variant thereof are intended to cover non-exclusive inclusions, so that a process, method, article, or apparatus that includes a list of elements does not only include those elements, but also includes other elements not explicitly listed, or inherent to such a process, method, article, or apparatus.

[0030] Although embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and alterations can be made thereto without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A formaldehyde detection device, comprising a detection tank (1), characterized in that, Also includes: Detection component (3); fixedly connected to the outer wall of the detection tank (1), the detection component (3) is used to detect formaldehyde in the detection room, and the detection component (3) can simply filter the dust in the room and detect formaldehyde; Gas delivery assembly (6); fixedly connected to the inner wall of the detection tank (1), the gas delivery assembly (6) is used to deliver the gas after formaldehyde detection; A stirring assembly (7) is disposed inside a detection tank (1), which contains an aqueous solution, and the stirring assembly (7) is used to mix the gas and the aqueous solution delivered by the gas delivery assembly (6) evenly.

2. The formaldehyde detection device according to claim 1, characterized in that, The bottom outer wall of the test tank (1) is fixedly connected with four movable wheels (2), and the top inner wall of the test tank (1) is covered with a breathable cover (4), and the top outer wall of the breathable cover (4) is fixedly connected with a handle (5).

3. The formaldehyde detection device according to claim 1, characterized in that, The detection component (3) includes a detection box (302), and the detection box (302) is fixedly connected to the outer wall of one side of the detection tank (1). The top inner wall of the detection box (302) is fixedly connected to equidistantly distributed suction fans (301), and the inner wall of the detection box (302) is fixedly connected to a fixing plate. The top outer wall of the fixing plate is provided with a filter unit.

4. The formaldehyde detection device according to claim 3, characterized in that, The filter unit includes a snap-fit ​​groove (305), which is located on the top outer wall of the fixed plate. A snap-fit ​​rod (306) is snapped into the inner wall of the snap-fit ​​groove (305), and a filter screen (307) is fixedly connected to the other end of the snap-fit ​​rod (306). A vent is provided on the top outer wall of the fixed plate, and an air guide hood (308) is fixedly connected to the bottom inner wall of the fixed plate.

5. A formaldehyde detection device according to claim 4, characterized in that, The inner wall of the test box (308) is fixedly connected to a horizontal plate (303), and a test plate (310) is bonded to the top outer wall of the horizontal plate (303). The top outer wall of the test plate (310) is provided with a placement groove (304), and the top outer wall of the placement groove (304) is provided with a vent hole (311). The bottom inner wall of the test plate (310), the top inner wall of the horizontal plate (303), and the inner wall of one side of the test tank (1) are all fixedly connected to the same second air guide pipe (601).

6. The formaldehyde detection device according to claim 5, characterized in that, The gas delivery assembly (6) also includes a fixed plate (603), and the other end of the second gas guide pipe (601) is fixedly connected to the outer wall of the fixed plate (603). The outer wall of the second gas guide pipe (601) is provided with equally spaced leakage holes (602).

7. A formaldehyde detection device according to claim 2, characterized in that, The stirring assembly (7) includes a motor (701), and the motor (701) is fixedly connected to the bottom outer wall of the vent cover (4). The output shaft of the motor (701) is connected to a rotating rod (702) through a coupling, and the outer wall of the rotating rod (702) is fixedly connected to stirring rods (703) that are evenly distributed.

8. A formaldehyde detection method, applied to the formaldehyde detection device according to any one of claims 1-7, characterized in that, Specifically, the following steps are included: Step 1: Place the device in the room to be tested, close all the windows and valves in the room to be tested, and at room temperature, the room to be tested forms a sealed space. The detection component (3) extracts the gas in the room to be tested at a set time and detects the formaldehyde content of the extracted gas. Step 2: Turn on the suction fan (301) to draw the air inside the room to be tested into the detection component (3). The air is filtered for dust by the filter screen 307, and then the air enters the detection plate 310 through the air guide hood 308 and the first air guide tube 309. The detection plate 310 is equipped with test paper, which can continuously detect the air inside the room. Step 3: The gas after detection enters the interior of the detection tank (1) through the gas delivery component (6). Turning on the stirring component (7) can mix the formaldehyde and water in the air and absorb the formaldehyde.

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