Device for simulating environment

Abstract

The utility model discloses a device for simulating an environment, which comprises a double-layer hemispheroid frame and transparent glass covering the double-layer hemispheroid frame, a plurality of spray heads are arranged at the bottom end in the double-layer hemispheroid frame, and each spray head is respectively connected with the output end of a fine particulate matter generator, the output end of a dust generator and the output end of a humidifying device. A temperature and humidity sensor, a pressure sensor and a particulate matter concentration detector are arranged in the double-layer hemispherical frame; the fine particulate matter generator, the dust generator, the humidifying device, the temperature and humidity sensor, the pressure sensor and the particulate matter concentration detector are respectively connected with a controller, and the controller is connected with an operation screen. According to the utility model, through coordination among the controller, the multi-functional pipeline and the sensor, the problems of gas inlet complexity and safety in the experiment process can be solved, and the problem of automatic pressure protection in the reactor during sample introduction can be solved.

Description

Technical Field

[0001] The utility model relates to the technical field of environmental simulation, and particularly relates to a device for simulating the environment. Background Art

[0002] In order to study the impacts of haze on the environment, human health, etc., and test the effects of air purification equipment, a device that can accurately simulate the real atmospheric environment is needed. Most of the simulation devices in the prior art are complex in structure, high in cost, and the simulation effects are not ideal. Summary of the Utility Model

[0003] Aiming at the deficiencies existing in the above problems, the utility model provides a device for simulating the environment.

[0004] To achieve the above object, the utility model provides a device for simulating the environment, including a double-layer hemispherical frame and a transparent glass covering the double-layer hemispherical frame. A plurality of nozzles are provided at the bottom end inside the double-layer hemispherical frame, and each nozzle is respectively connected to the output end of a fine particulate generator, the output end of a dust generator, and the output end of a humidifying device. A temperature and humidity sensor, a pressure sensor, and a particulate matter concentration detector are provided inside the double-layer hemispherical frame;

[0005] Wherein, the fine particulate generator, the dust generator, the humidifying device, the temperature and humidity sensor, the pressure sensor, and the particulate matter concentration detector are respectively connected to a controller, and the controller is connected to an operation screen.

[0006] Preferably, a turbulence fan is provided near the nozzle.

[0007] Preferably, an exhaust filtration device is provided at the bottom end inside the double-layer hemispherical frame, and the exhaust filtration device is controlled and connected to the controller.

[0008] Preferably, the controller is controlled and connected to a sampling pump. The output end of the sampling pump is connected to one end of a sampling pipeline, and the other end of the sampling pipeline is located inside the double-layer hemispherical frame.

[0009] Preferably, the dust generator is connected to a gas distribution device through a sampling pipeline, and an electromagnetic control valve and a mass flow controller are provided on the sampling pipeline.

[0010] Preferably, the fine particulate generator is connected to the gas distribution device.

[0011] Preferably, the humidifying device is connected to the gas distribution device through a humidifying pipeline.

[0012] Preferably, the gas distribution device is connected to one end of the cleaning pipeline, and the other end of the cleaning pipeline is located inside the double-layer hemispherical frame.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] Through the coordination between the controller and various functional pipelines and sensors, the present utility model can solve the problems of air intake complexity and safety during the experiment, and can solve the problem of automatic pressure protection inside the reactor during sample injection. Description of the Drawings

[0015] Figure 1 It is a schematic diagram of the overall structure of the present utility model. Detailed Embodiments

[0016] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Apparently, the described embodiments are some but not all of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0017] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model 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 should not be construed as a limitation of the present utility model. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0018] In the description of the present utility model, it should also be noted that unless otherwise clearly defined and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0019] The following is a further detailed description of the present utility model with reference to the attached Figure 1 drawings:

[0020] Refer to Figure 1, the present utility model provides a device for simulating an environment, including a double-layer hemispherical frame 1 and a transparent glass covering the double-layer hemispherical frame 1;

[0021] In this embodiment, a light-shielding curtain 2 is arranged outside the double-layer hemispherical frame 1, and the light-shielding curtain 2 is made of a light-absorbing material.

[0022] Further, a plurality of nozzles are provided at the bottom end inside the double-layer hemispherical frame 1, and each nozzle is respectively connected to the output end of a fine particulate generator 12, the output end of a dust generator 11, and the output end of a humidifying device 13. A temperature and humidity sensor 8, a pressure sensor 9, and a particulate matter concentration detector 20 are provided inside the double-layer hemispherical frame 1;

[0023] Among them, the fine particulate generator 12, the dust generator 11, the humidifying device 13, the temperature and humidity sensor 8, the pressure sensor 9, and the particulate matter concentration detector 20 are respectively connected to a controller, and the controller is connected to an operation screen.

[0024] In this embodiment, a turbulence fan 10 is provided near the nozzle. By using the fan to generate an air flow, different particulate matters can be quickly and evenly covered throughout the test space.

[0025] Further, the temperature and humidity sensor 8, the pressure sensor 9, the turbulence fan 10, the particulate matter concentration detector 20, the dust generator 11, the fine particulate generator 12, and the humidifying device 13 are connected to a PLC controller 3. The PLC controller 3 is connected to a human-machine operation screen 7. Through the human-machine operation screen 7, the environmental temperature, humidity, particulate matter concentration, and internal pressure inside the test space can be viewed at any time, and then the fine particulate concentration, dust output, and the flow rate of the humidifying device 13 can be adjusted according to needs.

[0026] The fine particulate generator 12, the dust generator 11, and the humidifying device 13 are all connected to a gas distribution device 4. Each sampling tube is equipped with a solenoid valve 5 and a mass flow controller 6. The connecting pipes are all made of BA stainless steel pipes. The gas distribution device 4 is connected to the PLC controller 3. The parameters of each component can be adjusted and the gas distribution state can be observed by using the human-machine operation screen 7. The gas distribution system is connected to an external gas source, and the external gas source is equipped with a pressure reducing valve to control the intake pressure.

[0027] Further, an exhaust gas filtering device 19 is provided at the inner bottom end of the double-layer hemispherical frame 1, and the exhaust gas filtering device 19 is controllably connected to the controller 3. The controller 3 is controllably connected to a sampling pump 16. The output end of the sampling pump 16 is connected to one end of a sampling pipeline 17, and the other end of the sampling pipeline 17 is located inside the double-layer hemispherical frame 1. The dust generator 11 is connected to the gas distribution device through the sampling pipeline 17, and an electromagnetic control valve 5 and a mass flow controller 6 are provided on the sampling pipeline 17. The fine particle generator 12 is connected to the gas distribution device 4. The humidifying device 13 is connected to the gas distribution device through a humidifying pipeline 14. The gas distribution device 4 is connected to one end of a cleaning pipeline 15, and the other end of the cleaning pipeline 15 is located inside the double-layer hemispherical frame 1.

[0028] The simulation process of the haze simulation device of the present utility model is as follows:

[0029] Start the turbulence fan 10 to generate a uniform circulating air flow in the simulation space;

[0030] Turn on the humidifying device 13 to ensure that the humidity in the sealed test space reaches the set humidity;

[0031] Turn on and adjust the fine particle generator 12 and the dust generator 11;

[0032] Adjust the light-shielding curtain 2, and adjust the opening number or different positions according to requirements to simulate the light conditions at different times;

[0033] Detect the temperature, humidity, particulate matter concentration and pressure in the experimental space through the controller 3, and use the human-machine operation screen 7 to adjust parameters such as temperature, humidity, and particulate matter concentration in a timely manner, and observe and record the haze formation conditions of haze under different conditions.

[0034] In this embodiment, the gas source is introduced externally, and a pressure reducing and regulating valve is provided between the gas distribution device 4 and the gas source for adjusting the intake pressure.

[0035] The above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. For those skilled in the art, the present utility model can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. An apparatus for simulating an environment, characterized in that, It includes a double-layer hemispherical frame and transparent glass covering the double-layer hemispherical frame. At the bottom end inside the double-layer hemispherical frame, there are multiple spray heads, and each of the spray heads is respectively connected to the output end of a fine particulate generator, the output end of a dust generator, and the output end of a humidifying device. Inside the double-layer hemispherical frame, there are a temperature and humidity sensor, a pressure sensor, and a particulate matter concentration detector; Among them, the fine particulate generator, the dust generator, the humidifying device, the temperature and humidity sensor, the pressure sensor, and the particulate matter concentration detector are respectively connected to a controller, and the controller is connected to an operation screen.

2. The device for simulating an environment according to claim 1, characterized in that, There is a turbulence fan near the spray head.

3. The device for simulating an environment according to claim 2, wherein, At the bottom end inside the double-layer hemispherical frame, there is an exhaust filtration device, and the exhaust filtration device is controlled and connected to the controller.

4. The device for simulating an environment according to claim 3, characterized in that, The controller is controlled and connected to a sampling pump. The output end of the sampling pump is connected to one end of a sampling pipeline, and the other end of the sampling pipeline is located inside the double-layer hemispherical frame.

5. The device for simulating an environment according to claim 4, characterized in that The dust generator is connected to a gas distribution device through a sampling pipeline, and an electromagnetic control valve and a mass flow controller are provided on the sampling pipeline.

6. The device for simulating an environment according to claim 5, characterized in that, The fine particulate generator is connected to the gas distribution device.

7. The device for simulating an environment according to claim 6, wherein, The humidifying device is connected to the gas distribution device through a humidifying pipeline.

8. The apparatus for simulating an environment according to claim 7, wherein, The gas distribution device is connected to one end of a cleaning pipeline, and the other end of the cleaning pipeline is located inside the double-layer hemispherical frame.

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