Indoor self-purification simulation experiment device for coating

Abstract

The utility model discloses a coating indoor self-purification simulation experiment device which comprises a box body, an experiment board, an air constant temperature machine, an air source and a gas sampling device, the box body is provided with an inner cavity, one side of the box body is provided with a first air inlet communicated with the inner cavity, and the other side of the box body is provided with a sampling opening communicated with the inner cavity. A second air inlet communicated with the inner cavity is formed in the top of the box body; the experiment board is arranged in the inner cavity, and the surface of the experiment board is coated with a to-be-tested coating; the air outlet end of the air thermostat is connected with the first air inlet through an air conveying pipeline, and the air conveying pipeline is provided with a first air pump. The gas source is connected with the second gas inlet through a harmful gas conveying pipeline, and the harmful gas conveying pipeline is provided with a metering pump; the gas sampling device is connected with the sampling port through a sampling pipeline, and the sampling pipeline is provided with a second gas pump. The coating indoor self-purification simulation experiment device provided by the embodiment of the utility model can simulate the indoor environment and detect the purification capacity of the coating.

Description

Technical Field

[0001] The utility model relates to the technical field of coating detection, in particular to a coating indoor self-purification simulation experimental device. Background Art

[0002] With growing environmental awareness and increasing demands for indoor air quality, the demand for environmentally friendly coatings is growing. A key characteristic of environmentally friendly coatings is their ability to spontaneously purify indoor air, removing harmful gases such as formaldehyde, benzene, and other volatile organic compounds (VOCs). To evaluate the air purification performance of coatings, it is necessary to develop an experimental device that can simulate indoor environments and test the coating's ability to purify harmful gases under actual usage conditions. Utility Model Content

[0003] The present invention aims to solve at least one of the technical problems in the prior art. To this end, the present invention proposes a paint indoor self-purification simulation experimental device that can simulate an indoor environment and test the paint's purification ability.

[0004] According to the first aspect of the present invention, the self-purification simulation experimental device in the paint room includes a box, an experimental board, an air thermostat, an air source and a gas sampling device, the box is provided with an inner cavity, one side of the box is provided with a first air inlet connected to the inner cavity, the other side of the box is provided with a sampling port connected to the inner cavity, and the top of the box is provided with a second air inlet connected to the inner cavity; the experimental board is installed in the inner cavity, and the surface of the experimental board is coated with the paint to be tested; the air outlet end of the air thermostat is connected to the first air inlet through an air delivery pipe, and the air delivery pipe is provided with a first air pump; the air source is connected to the second air inlet through a harmful gas delivery pipe, and the harmful gas delivery pipe is provided with a quantitative pump; the gas sampling device is connected to the sampling port through a sampling pipe, and the sampling pipe is provided with a second air pump.

[0005] The coating chamber self-purification simulation experimental device according to the above embodiment of the utility model has at least the following beneficial effects:

[0006] The paint indoor self-purification simulation experimental device provided by the embodiment of the utility model accurately controls the experimental conditions, including factors such as air temperature, air flow velocity, and harmful gas concentration, through an air thermostat, a metering pump, etc., to ensure the consistency and repeatability of the experimental conditions. The gas sampling device is used to sample and monitor the concentration changes of harmful gases, which can more realistically simulate the indoor environment and monitor the experimental results in real time, thereby improving the reliability and accuracy of the experimental results. The test device provided by the embodiment of the utility model can adapt to different types of paint testing needs and can be flexibly adjusted according to different experimental purposes, thereby improving the versatility of the experimental device.

[0007] According to some embodiments of the present invention, a fluorescent lamp, an ultraviolet lamp and a circulating fan are installed on the top wall of the inner cavity.

[0008] According to some embodiments of the present invention, the circulation fan is located in the middle of the top wall of the inner cavity, and the fluorescent lamp and the ultraviolet lamp are respectively located on opposite sides of the circulation fan.

[0009] According to some embodiments of the present invention, there are two experimental panels, which are arranged opposite to each other directly below the circulating fan, and the experimental panels are arranged tilted.

[0010] According to some embodiments of the present invention, two heating tubes are symmetrically provided on the inner walls on two opposite sides of the inner cavity.

[0011] According to some embodiments of the present invention, a heater is provided between the gas source and the metering pump.

[0012] According to some embodiments of the present invention, the box body is provided with a thermal insulation interlayer, and the thermal insulation interlayer is filled with thermal insulation material.

[0013] According to some embodiments of the present invention, a first one-way valve is provided between the first air pump and the first air inlet.

[0014] According to some embodiments of the present invention, a second one-way valve is provided between the second air pump and the gas sampling device.

[0015] According to some embodiments of the present invention, a gas collecting and discharging device is further included, and the box body is provided with an exhaust port connected to the inner cavity, and the exhaust port and the sampling port are located on the same side, and the exhaust port and the gas collecting and discharging device are connected through an exhaust pipe, and the exhaust pipe is sequentially provided with a third air pump and a third one-way valve.

[0016] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments, wherein:

[0018] Figure 1 This is a schematic diagram of a module of a self-purification simulation experimental device for a coating chamber according to an embodiment of the present invention;

[0019] Figure 2 This is a structural schematic diagram of a self-purification simulation experimental device for a paint room according to an embodiment of the present invention.

[0020] Wherein, the reference numerals:

[0021] Box 100; fluorescent lamp 110; ultraviolet lamp 120; circulating fan 130; heating tube 140; thermal insulation interlayer 150;

[0022] Experimental board 200;

[0023] Air thermostat 300; air delivery pipeline 310; first air pump 320; first one-way valve 330;

[0024] Gas source 400; harmful gas delivery pipeline 410; metering pump 420; heater 430;

[0025] Gas sampling device 500; sampling pipe 510; second air pump 520; second one-way valve 530;

[0026] Gas collecting and discharging device 600; exhaust pipe 610; third air pump 620; third one-way valve 630. DETAILED DESCRIPTION

[0027] The following describes embodiments of the present invention in detail. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present invention and are not to be construed as limiting the present invention.

[0028] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0029] In the description of this utility model, "several" means one or more, "many" means more than two, "greater than," "less than," and "exceed" are understood to exclude the number itself, while "above," "below," and "within" are understood to include the number itself. The use of "first" and "second" in the description is solely for the purpose of distinguishing technical features and is not to be construed as indicating or implying relative importance, implicitly specifying the number of the indicated technical features, or implicitly specifying the order of the indicated technical features.

[0030] In the description of this utility model, unless otherwise expressly defined, terms such as "set," "install," and "connect" should be interpreted broadly. Those skilled in the art can reasonably determine the specific meanings of these terms in the present utility model based on the specific content of the technical solution. In the description of this utility model, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with such embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of these terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any appropriate manner in any one or more embodiments or examples. In the description of this specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with such embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of these terms does not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0031] Reference Figure 1 and Figure 2 According to the first embodiment of the present invention, the self-purification simulation experimental device for a paint room comprises a box 100, an experimental board 200, an air thermostat, an air source 400 and a gas sampling device 500. The box 100 is provided with an inner cavity, a first air inlet communicating with the inner cavity is provided on one side of the box 100, a sampling port communicating with the inner cavity is provided on the other side of the box 100, and a second air inlet communicating with the inner cavity is provided on the top of the box 100; the experimental board 200 is installed in the inner cavity, and the surface of the experimental board 200 is coated with the paint to be tested, which is used to simulate the paint performance under the actual use environment; the air thermostat The air outlet of the machine is connected to the first air inlet through an air delivery pipe 310, which is used to provide clean air with a constant temperature. The air delivery pipe 310 is provided with a first air pump 320; the air source 400 is connected to the second air inlet through a harmful gas delivery pipe 410, which is used to provide air containing harmful gases to be tested. The harmful gas delivery pipe 410 is provided with a quantitative pump 420; the gas sampling device 500 is connected to the sampling port through a sampling pipe 510, which is used to collect gas samples in the inner cavity of the box 100 to monitor the concentration changes of harmful gases. The sampling pipe 510 is provided with a second air pump 520.

[0032] Specifically, the indoor self-purification simulation experimental device for coatings provided by the embodiment of the present invention precisely controls experimental conditions, including factors such as air temperature, airflow velocity, and harmful gas concentration, through an air thermostat and a metering pump 420, thereby ensuring the consistency and repeatability of the experimental conditions. Furthermore, the gas sampling device 500 is used to sample and monitor changes in the concentration of harmful gases, thereby more realistically simulating the indoor environment and monitoring the experimental results in real time, thereby improving the reliability and accuracy of the experimental results. The experimental device provided by the embodiment of the present invention can adapt to different types of coating testing needs and can be flexibly adjusted according to different experimental purposes, thereby improving the versatility of the experimental device.

[0033] Further, refer to Figure 2 According to some embodiments of the present invention, the top wall of the inner chamber is equipped with a fluorescent lamp 110, an ultraviolet lamp 120, and a circulating fan 130, thereby simulating natural lighting conditions and better emulating the lighting conditions in actual use environments, thereby improving the accuracy and practicality of experimental results. The circulating fan 130 promotes the circulation of air within the box 100, making the air distribution more uniform and improving the consistency of experimental results.

[0034] Further, refer to Figure 2 According to some embodiments of the present invention, the circulating fan 130 is located in the middle of the top wall of the inner cavity, and the fluorescent lamp 110 and the ultraviolet lamp 120 are respectively located on opposite sides of the circulating fan 130.

[0035] Further, refer to Figure 2 According to some embodiments of the present invention, there are two experimental boards 200, and the two experimental boards 200 are arranged oppositely directly below the circulating fan 130. The experimental boards 200 are arranged at an angle, so as to better simulate the layout of the actual wall and improve the accuracy of the experiment.

[0036] Further, refer to Figure 2 According to some embodiments of the present invention, two heating tubes 140 are symmetrically arranged on the inner walls on opposite sides of the inner cavity, so that the temperature inside the box 100 can be controlled according to experimental requirements, meeting different experimental requirements and improving the versatility of the device.

[0037] Further, refer to Figure 1 According to some embodiments of the present invention, a heater 430 is provided between the gas source 400 and the metering pump 420, so that the temperature of the harmful gas can be controlled according to experimental requirements, meeting different experimental requirements and improving the versatility of the device.

[0038] Further, refer to Figure 2According to some embodiments of the present invention, the box 100 is provided with a thermal insulation interlayer 150, and the thermal insulation interlayer 150 is filled with thermal insulation material, so as to maintain a constant temperature inside the experimental box 100, reduce heat loss, improve thermal efficiency, and ensure the consistency and accuracy of the experimental results.

[0039] Further, refer to Figure 1 According to some embodiments of the present invention, a first one-way valve 330 is provided between the first air pump 320 and the first air inlet to prevent gas backflow.

[0040] Further, refer to Figure 1 According to some embodiments of the present invention, a second one-way valve 530 is provided between the second air pump 520 and the gas sampling device 500 to prevent gas backflow.

[0041] Further, refer to Figure 1 According to some embodiments of the present invention, the paint chamber self-purification simulation experimental device further includes a gas collection and discharge device 600. The housing 100 is provided with an exhaust port communicating with the inner cavity. The exhaust port and the sampling port are located on the same side. The exhaust port and the gas collection and discharge device 600 are connected by an exhaust pipe 610. The exhaust pipe 610 is sequentially provided with a third air pump 620 and a third one-way valve 630. The provision of the gas collection and discharge device 600 enables orderly discharge of gases generated during the experiment, reducing the impact on the environment. The provision of the third one-way valve 630 prevents backflow of gas.

[0042] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A self-purification simulation experimental device for a coating room, characterized in that: include: A box body is provided with an inner cavity, a first air inlet communicating with the inner cavity is provided on one side of the box body, a sampling port communicating with the inner cavity is provided on the other side of the box body, and a second air inlet communicating with the inner cavity is provided on the top of the box body; A test board is installed in the inner cavity, and the surface of the test board is coated with the coating to be tested; an air thermostat, wherein an air outlet end of the air thermostat is connected to the first air inlet via an air delivery pipe, and the air delivery pipe is provided with a first air pump; an air source, the air source being connected to the second air inlet via a harmful gas delivery pipeline, the harmful gas delivery pipeline being provided with a metering pump; A gas sampling device is connected to the sampling port through a sampling pipe, and the sampling pipe is provided with a second air pump.

2. The self-purification simulation experimental device in the coating room according to claim 1 is characterized in that: The top wall of the inner cavity is equipped with a fluorescent lamp, an ultraviolet lamp and a circulating fan.

3. The self-purification simulation experimental device in the coating room according to claim 2 is characterized in that: The circulating fan is located in the middle of the top wall of the inner cavity, and the fluorescent lamp and the ultraviolet lamp are respectively located on two opposite sides of the circulating fan.

4. The self-purification simulation experimental device in the coating room according to claim 3 is characterized in that: There are two experimental panels, which are arranged opposite to each other directly below the circulating fan, and are arranged tilted.

5. The self-purification simulation experimental device in the coating room according to claim 1 is characterized in that: Two heating tubes are symmetrically arranged on the inner walls of the inner cavity on two opposite sides.

6. The self-purification simulation experimental device in the coating room according to claim 1 is characterized in that: A heater is provided between the gas source and the metering pump.

7. The self-purification simulation experimental device in the coating room according to claim 1 is characterized in that: The box body is provided with a heat-insulating interlayer, and the heat-insulating interlayer is filled with heat-insulating material.

8. The self-purification simulation experimental device in the coating room according to claim 1 is characterized in that: A first one-way valve is provided between the first air pump and the first air inlet.

9. The self-purification simulation experimental device in the coating room according to claim 1 is characterized in that: A second one-way valve is provided between the second air pump and the gas sampling device.

10. The self-purification simulation experimental device in the coating room according to claim 1 is characterized in that: It also includes a gas collecting and discharging device, the box body is provided with an exhaust port connected to the inner cavity, the exhaust port and the sampling port are located on the same side, the exhaust port and the gas collecting and discharging device are connected through an exhaust pipe, and the exhaust pipe is sequentially provided with a third air pump and a third one-way valve.

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