Formaldehyde detection device for waterproof material

By setting a turntable and fan system in the formaldehyde detection device for waterproof materials, a circulating airflow is formed to ensure that the surface of the waterproof material is evenly heated, which solves the deviation problem of formaldehyde emission detection in a sealed environment, improves detection accuracy and efficiency, and reduces health risks to workers.

CN223362161UActive Publication Date: 2025-09-19SHANDONG BEIRUISI WATERPROOF TECH CO LTD
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Patent Information

Application Number
CN202520829581.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-28
Publication Date
2025-09-19
Estimated Expiration
2035-04-28

AI Technical Summary

Technical Problem

Existing formaldehyde detection devices for waterproof materials cannot effectively simulate the external temperature and humidity environment when testing in a sealed environment, resulting in deviations in the detection results of formaldehyde release at different locations, affecting the detection accuracy.

Method used

A formaldehyde detection device for waterproof materials was designed. A turntable and fan system were installed inside the detection device shell to form a circulating airflow, so that the surface of the waterproof material was evenly heated. The temperature was adjusted by temperature and humidity sensors and a display to ensure temperature uniformity in the sealed cavity. Combined with a filter device, formaldehyde was quickly filtered to improve detection accuracy and efficiency.

Benefits of technology

It achieves uniform detection of formaldehyde release from waterproof materials in a sealed environment, improves detection accuracy and efficiency, and avoids the risk of workers accidentally inhaling formaldehyde.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a waterproof material formaldehyde detection device, a detection device shell and a detector, the detector is arranged in the detection device shell, a sealing cavity is arranged in the detection device shell, a motor group is installed at the bottom of the detection device shell, the surface of the motor group is connected with a turntable through a rotating rod, and the turntable is connected with a motor through a rotating shaft. Tooth edges are welded to the surfaces of the rotating discs, and gears are connected to the surfaces of the tooth edges in an engaged mode. According to the waterproof material formaldehyde detection device, the turntable is arranged in the relatively smooth sealing cavity in the detection device shell, a waterproof material is placed in the turntable, and the turntable rotates to drive four fans arranged in the turntable to rotate to form circulating airflow while the surface of the waterproof material is uniformly heated by rotating the turntable; the emitted formaldehyde is uniformly positioned in the sealing cavity, and meanwhile, the temperature in the sealing cavity is more uniform, so that the detection precision of the device is improved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of waterproof material detection, and in particular relates to a formaldehyde detection device for waterproof materials. Background Art

[0002] The waterproof material formaldehyde detection device is a professional equipment specially used to detect the formaldehyde release in waterproof materials. It is mainly used in the fields of building material quality control, indoor air quality assessment, etc.

[0003] When the current formaldehyde detection device for waterproof materials detects the formaldehyde release of waterproof materials in a sealed environment, the formaldehyde content released at different locations may be different due to the simulated external temperature and humidity environment in the sealed environment, resulting in deviations in the detection results. Utility Model Content

[0004] The purpose of the utility model is to provide a formaldehyde detection device for waterproof materials to solve the technical problems raised in the background technology.

[0005] To achieve the above-mentioned purpose, the specific technical solution of the present invention is as follows: a formaldehyde detection device for waterproof materials, comprising a detection device housing and a detector, a detector is provided inside the detection device housing, a sealed cavity is provided inside the detection device housing, a motor group is installed at the bottom of the detection device housing, a turntable is connected to the surface of the motor group through a rotating rod, a tooth edge is welded on the surface of the turntable, a gear is connected to the surface of the tooth edge through meshing, a connecting rod is fixedly connected to the surface of the gear, the bottom of the connecting rod is connected to the detection device housing through a bearing, a forward fan is fixedly connected to the top of the connecting rod, a first fixed shell is connected to the surface of the connecting rod through a bearing, a heating pipe is provided on the surface of the first fixed shell, and a first fixed shell is fixedly connected to the inside of the detection device housing. A second fixed shell is provided inside the second fixed shell. The surface of the heating tube is connected to a temperature and humidity sensor through an electric wire. The surface of the temperature and humidity sensor is connected to a temperature and humidity display through an electric wire. In this way, the turntable is driven to rotate by starting the motor, so that the surface of the waterproof material is evenly heated. At this time, the toothed belt on the edge of the turntable drives the gear to rotate through the meshing connection, thereby rotating the forward fan and the reverse fan at one end of the sealed cavity, so that the airflow flows upward through the forward fan and flows downward through the reverse fan at one end of the sealed cavity, thereby forming a circulating airflow, so that the formaldehyde emitted by the waterproof material is evenly distributed in the sealed cavity. At this time, the temperature of the heating tube is adjusted by observing the value on the surface of the temperature and humidity display. At the same time, the rotating fan makes the temperature in the sealed cavity faster and more uniform.

[0006] Preferably, an air inlet pipe is welded to the surface of the detection device shell, an air outlet pipe is welded to the other side of the detection device shell, the other end of the air outlet pipe is fixedly connected to a filter device, and a fan is installed on the surface of the filter device. Therefore, after the detection is completed, the fan is started, and then the sealing sleeve and the baffle are opened, so that the formaldehyde emitted from the sealed cavity can quickly pass through the air outlet into the filter device for filtration, thereby avoiding accidental inhalation by workers during long-term detection and speeding up the detection efficiency.

[0007] Preferably, the surface of the turntable is provided with perforations, which are distributed in a circular pattern. A suction cup is installed on the surface of the turntable, so that the suction cup on the turntable can more firmly adsorb the shell for storing liquid waterproof material, and can also adsorb the waterproof material roll itself to prevent the waterproof material from falling, thereby increasing the stability of the device.

[0008] Preferably, a sealing gasket is bonded to the surface of the detection device housing, a second ear plate is welded to the surface of the detection device housing, a sealing plate is connected to the surface of the detection device housing via a rotating shaft, a first ear plate is welded to the surface of the sealing plate, a hand-tightening bolt is threadedly connected to the surface of the first ear plate, and the second ear plate is threadedly connected to the surface of the hand-tightening bolt. The sealing plate and sealing gasket provided in this way increase the sealing performance of the sealing cavity and prevent gas leakage.

[0009] Preferably, an iron plate is welded to the surface of the air inlet pipe, a sealing sleeve is sleeved on the surface of the air inlet pipe, a magnetic plate is fixedly connected to the surface of the sealing sleeve, and a baffle is inserted into the surface of the air outlet pipe, thereby allowing the sealing sleeve to be more firmly sleeved on the air inlet pipe through the provided magnetic plate, thereby avoiding high pressure inside the sealing cavity during heating, which may cause the sealing sleeve to fall off.

[0010] Preferably, the bottom of the detector is connected to a fixed frame through a pipe, and absorbent cotton is provided on the inner side of the fixed frame, so that the absorbent cotton absorbs the contained water vapor, thereby increasing the detection accuracy.

[0011] The formaldehyde detection device for waterproof materials of the utility model has the following advantages:

[0012] The device is provided with a turntable in a relatively smooth sealed cavity inside the housing of the device. The waterproof material is placed in the turntable. The surface of the waterproof material is uniformly heated by rotating the turntable. The rotation of the turntable drives four fans inside the turntable to rotate to form a circulating airflow, so that the emitted formaldehyde is evenly distributed in the sealed cavity. At the same time, the temperature in the sealed cavity is made more uniform, thereby increasing the detection accuracy of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without creative work.

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the sealing chamber structure of the utility model;

[0016] Figure 3 For this utility model Figure 2 Enlarged view of part A;

[0017] Figure 4 This is a schematic diagram of the absorbent cotton structure of the utility model;

[0018] Figure 5 This is a schematic diagram of the motor structure of the present utility model.

[0019] Explanation of the marks in the figure: 1. Detection device housing; 2. Detector; 3. Sealed chamber; 4. Motor unit; 5. Turntable; 6. Tooth edge; 7. Gear; 8. Connecting rod; 9. Forward fan; 10. First fixed shell; 11. Heating tube; 12. Temperature and humidity sensor; 13. Air inlet pipe; 14. Air outlet pipe; 15. Filter device; 16. Fan; 17. Baffle; 18. Sealing sleeve; 19. Temperature and humidity display; 20. Sealing plate; 21. First ear plate; 22. Thumb bolt; 23. Sealing gasket; 24. Perforation; 25. Suction cup; 26. Fixed frame; 27. Absorbent cotton; 28. Magnetic plate; 29. ​​Iron plate; 30. Second fixed shell; 31. Reverse fan. DETAILED DESCRIPTION

[0020] Hereinafter, only certain exemplary embodiments are briefly described. As will be appreciated by those skilled in the art, the described embodiments may be modified in various ways without departing from the spirit or scope of the embodiments of the present invention. Therefore, the drawings and description are to be regarded as illustrative in nature and not restrictive.

[0021] In the description of the embodiments of the present invention, it should be understood that the terms "length", "vertical", "horizontal", "top", "bottom", etc. indicating the orientation or position relationship are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present invention.

[0022] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the number of the technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present invention, "plurality" means two or more, unless otherwise specifically defined.

[0023] In the embodiments of the present invention, unless otherwise expressly specified or limited, the terms "installed," "connected," "connected," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection, or communication; direct connection or indirect connection through an intermediate medium; internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in the embodiments of the present invention based on specific circumstances.

[0024] The disclosure below provides many different embodiments or examples for implementing different structures of the embodiments of the present invention. In order to simplify the disclosure of the embodiments of the present invention, the components and settings of specific examples are described below. Of course, these are merely examples and are not intended to limit the embodiments of the present invention. In addition, the embodiments of the present invention may repeat reference numbers and / or reference letters in different examples. Such repetition is for the purpose of simplicity and clarity and does not in itself indicate the relationship between the various embodiments and / or settings discussed.

[0025] In order to better understand the purpose, structure and function of the present invention, the following is a further detailed description of a formaldehyde detection device for waterproof materials of the present invention in conjunction with the accompanying drawings.

[0026] like Figure 1-5As shown, a formaldehyde detection device for waterproof materials of the present invention includes a detection device housing 1 and a detector 2. The detection device housing 1 is provided with a detector 2, the detection device housing 1 is provided with a sealed cavity 3, the bottom of the detection device housing 1 is installed with a motor group 4, the surface of the motor group 4 is connected to a turntable 5 through a rotating rod, the surface of the turntable 5 is welded with a tooth edge 6, the surface of the tooth edge 6 is connected to a gear 7 through meshing, the surface of the gear 7 is fixedly connected to a connecting rod 8, the bottom of the connecting rod 8 is connected to the detection device housing 1 through a bearing, the top of the connecting rod 8 is fixedly connected to a forward fan 9, the surface of the connecting rod 8 is connected to a first fixed shell 10 through a bearing, the surface of the first fixed shell 10 is provided with a heating tube 11, the inside of the detection device housing 1 is fixedly connected to a second fixed shell 30, and the inside of the second fixed shell 30 is provided with a reverse Toward the fan 31, the surface of the heating tube 11 is connected to the temperature and humidity sensor 12 through an electric wire, and the surface of the temperature and humidity sensor 12 is connected to the temperature and humidity display 19 through an electric wire. In this way, the turntable 5 is driven to rotate by starting the motor, so that the surface of the waterproof material is evenly heated. At this time, the toothed belt on the edge of the turntable 5 drives the gear 7 to rotate through the meshing connection, thereby rotating the forward fan 9 and the reverse fan 31 at one end of the sealed chamber 3, so that the airflow flows upward through the forward fan 9 and rotates through the reverse fan 31 at the other end of the sealed chamber 3, so that the airflow flows downward, thereby forming a circulating airflow, so that the formaldehyde emitted by the waterproof material is evenly distributed in the sealed chamber 3. At this time, the temperature of the heating tube 11 is adjusted by observing the value on the surface of the temperature and humidity display 19, so that the rotating fan also makes the temperature in the sealed chamber 3 faster and more uniform.

[0027] Preferably, an air inlet pipe 13 is welded on the surface of the detection device housing 1, and an air outlet pipe 14 is welded on the other side of the detection device housing 1. The other end of the air outlet pipe 14 is fixedly connected to a filter device 15, and a fan 16 is installed on the surface of the filter device 15. Therefore, after the detection is completed, the fan 16 is started, and then the sealing sleeve 18 and the baffle 17 are opened, so that the formaldehyde emitted from the inside of the sealed cavity 3 quickly passes through the air outlet into the filter device 15 for filtration, thereby avoiding accidental inhalation by workers during long-term detection and speeding up the detection efficiency.

[0028] Preferably, perforations 24 are provided on the surface of the turntable 5, and the perforations 24 are distributed in a circular form. Suction cups 25 are installed on the surface of the turntable 5, so that the suction cups 25 on the turntable 5 can more firmly absorb the shell for storing liquid waterproof material, and can also absorb the waterproof material roll itself to prevent the waterproof material from falling, thereby increasing the stability of the device.

[0029] Preferably, a sealing gasket 23 is bonded to the surface of the detection device housing 1, a second ear plate is welded to the surface of the detection device housing 1, a sealing plate 20 is connected to the surface of the detection device housing 1 through a rotating shaft, a first ear plate 21 is welded to the surface of the sealing plate 20, a hand-tightening bolt 22 is threadedly connected to the surface of the first ear plate 21, and a second ear plate is threadedly connected to the surface of the hand-tightening bolt 22. The sealing plate 20 and the sealing gasket 23 provided in this way increase the sealing performance of the sealing chamber 3 and prevent gas leakage.

[0030] Preferably, an iron plate 29 is welded to the surface of the air inlet pipe 13, a sealing sleeve 18 is sleeved on the surface of the air inlet pipe 13, a magnetic plate 28 is fixedly connected to the surface of the sealing sleeve 18, and a baffle 17 is inserted into the surface of the air outlet pipe 14. The magnetic plate 28 is provided to make the sealing sleeve 18 more firmly sleeved on the air inlet pipe 13, thereby avoiding the high pressure inside the sealing cavity 3 during heating, which causes the sealing sleeve 18 to fall off.

[0031] Preferably, the bottom of the detector 2 is connected to a fixed frame 26 through a pipe, and a water-absorbing cotton 27 is provided inside the fixed frame 26, so that the water vapor contained in the fixed frame 26 is absorbed by the water-absorbing cotton 27, thereby increasing the detection accuracy.

[0032] The working principle of the formaldehyde detection device for waterproof materials: in the process of using the device, the sealing plate 20 is opened by tightening the hand-tightening bolt 22, and then the waterproof material is placed on the turntable 5. At this time, the suction cup 25 on the turntable 5 can more firmly absorb the shell of the liquid waterproof material, and can also absorb the waterproof material coil itself to prevent the waterproof material from falling, thereby increasing the stability of the device. Then the sealing plate 20 is closed, and the turntable 5 is driven to rotate by starting the motor to make the surface of the waterproof material evenly heated. At this time, the toothed belt on the edge of the turntable 5 drives the gear 7 to rotate through the meshing connection, thereby driving the forward fan 9 and the reverse fan 31 at one end of the sealed chamber 3 to rotate, so that the airflow flows upward through the forward fan 9 and rotates through the reverse fan 31 at the other end of the sealed chamber 3, so that the airflow flows downward, thereby forming The circulating airflow makes the formaldehyde emitted by the waterproof material evenly distributed in the sealed cavity 3. At this time, the temperature of the heating tube 11 is adjusted by observing the numerical value on the surface of the temperature and humidity display 19. The rotating fan makes the temperature in the sealed cavity 3 faster and more uniform at the same time, and a plurality of perforations 24 are provided on the turntable 5, so that the solid waterproof material is exposed to a larger area outside, thereby increasing the detection accuracy of the device. Then the detector 2 is started to detect the formaldehyde content inside the sealed cavity 3. The gas will first pass through the absorbent cotton 27 to absorb the contained water vapor, thereby increasing the detection accuracy. After the detection is completed, the fan 16 is started, and then the sealing sleeve 18 and the baffle 17 are opened to allow the formaldehyde emitted from the sealed cavity 3 to quickly pass through the air outlet into the filter device 15 for filtration, thereby avoiding accidental inhalation by workers during long-term detection and speeding up the detection efficiency.

[0033] It is understood that the present invention is described by way of certain embodiments, and those skilled in the art will appreciate that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. Furthermore, under the guidance of the present invention, these features and embodiments may be modified to suit specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are intended to be protected by the present invention.

Claims

1. A formaldehyde detection device for waterproof materials, comprising a detection device housing (1) and a detector (2), wherein the detection device housing (1) is provided with the detector (2), and is characterized in that: The detection device housing (1) is provided with a sealed cavity (3) inside, a motor group (4) is installed at the bottom of the detection device housing (1), the surface of the motor group (4) is connected to a turntable (5) via a rotating rod, the surface of the turntable (5) is welded with a tooth edge (6), the surface of the tooth edge (6) is connected to a gear (7) by meshing, the surface of the gear (7) is fixedly connected to a connecting rod (8), the bottom of the connecting rod (8) is connected to the detection device housing (1) via a bearing, the top of the connecting rod (8) is fixedly connected to a forward fan (9), the surface of the connecting rod (8) is connected to a first fixed shell (10) via a bearing, the surface of the first fixed shell (10) is provided with a heating tube (11), the inside of the detection device housing (1) is fixedly connected to a second fixed shell (30), the inside of the second fixed shell (30) is provided with a reverse fan (31), the surface of the heating tube (11) is connected to a temperature and humidity sensor (12) via an electric wire, and the surface of the temperature and humidity sensor (12) is connected to a temperature and humidity display (19) via an electric wire.

2. A formaldehyde detection device for waterproof materials according to claim 1, characterized in that: An air inlet pipe (13) is welded to the surface of the detection device housing (1), an air outlet pipe (14) is welded to the other side of the detection device housing (1), a filter device (15) is fixedly connected to the other end of the air outlet pipe (14), and a fan (16) is mounted on the surface of the filter device (15).

3. The formaldehyde detection device for waterproof materials according to claim 1, characterized in that: The surface of the turntable (5) is provided with perforations (24), the perforations (24) are distributed in a circular pattern, and a suction cup (25) is installed on the surface of the turntable (5).

4. The formaldehyde detection device for waterproof materials according to claim 1, characterized in that: A sealing gasket (23) is bonded to the surface of the detection device housing (1), a second ear plate is welded to the surface of the detection device housing (1), a sealing plate (20) is connected to the surface of the detection device housing (1) via a rotating shaft, a first ear plate (21) is welded to the surface of the sealing plate (20), a hand-tightening bolt (22) is threadedly connected to the surface of the first ear plate (21), and a second ear plate is threadedly connected to the surface of the hand-tightening bolt (22).

5. The formaldehyde detection device for waterproof materials according to claim 2, characterized in that: An iron plate (29) is welded to the surface of the air inlet pipe (13), a sealing sleeve (18) is sleeved on the surface of the air inlet pipe (13), a magnetic plate (28) is fixedly connected to the surface of the sealing sleeve (18), and a baffle (17) is inserted into the surface of the air outlet pipe (14).

6. The formaldehyde detection device for waterproof materials according to claim 1, characterized in that: The bottom of the detector (2) is connected to a fixed frame (26) via a pipe, and water-absorbing cotton (27) is provided inside the fixed frame (26).