CN213956461U - Device and system for simulating atmospheric environment - Google Patents

Abstract

The utility model relates to a device and system for simulating atmospheric environment, wherein the device includes: the environment simulation unit comprises an air supply device, an air supply channel part and a simulated environment generation device, wherein the air supply channel part is communicated with an air outlet of the air supply device, and the simulated environment generation device is communicated with the air supply channel part and is used for changing the environmental conditions in the air supply channel part so as to generate airflow for simulating the atmospheric environment; and the test unit comprises a test cabin, the test cabin is arranged on the downstream direction of the airflow direction generated by the environment simulation unit and is communicated with the environment simulation unit, and the test cabin is used for placing unmanned aerial vehicle observation equipment so as to simulate and test the atmospheric environment observed by the unmanned aerial vehicle observation equipment. According to the utility model discloses a device and system can simulate changeable atmospheric environment and realize simulation and test to unmanned aerial vehicle observation.

Description

Device and system for simulating atmospheric environment

Technical Field

The utility model relates to an environmental simulation technical field generally. More particularly, the present invention relates to an apparatus and system for simulating an atmospheric environment.

Background

In recent years, the atmosphere heavily polluted weather frequently occurs in China, most of atmospheric observation is ground observation, convection and diffusion observation of the atmosphere on the vertical height is less, and a test device for simulating the vertical atmospheric environment is more rare. The unmanned aerial vehicle atmospheric environment observation technology is characterized in that an unmanned aerial vehicle is used as a platform, small-sized atmospheric environment observation equipment is carried on the unmanned aerial vehicle, and distribution characteristics, change rules, convection rules, diffusion rules and the like of atmospheric pollutants in the vertical direction of atmosphere or the horizontal directions of different heights are observed, so that the atmospheric pollutants in the sky are observed on a space-time scale. The unmanned aerial vehicle is used for observing the vertical atmospheric environment, so that the distribution characteristics of pollutants on the vertical height can be accurately known, the height change characteristics of atmospheric pollutants on an atmospheric boundary layer and the distribution characteristics of the pollutants are mastered, and a vertical atmospheric environment observation task can be well served.

The unmanned aerial vehicle is used for observing the atmospheric environment, and the unmanned aerial vehicle has the characteristics of simple operation, high observation speed, wide observation range, rich observation content, capability of performing aerial fixed-point observation and the like. At present, more and more cases are used for environment observation by using unmanned aerial vehicles at home and abroad, but in the flight observation process of the unmanned aerial vehicles, due to the uncertainty of the observation environment and the influence of changes of the ambient temperature, airflow field, humidity, rainfall, wind speed and direction, flight speed and direction and the like on the unmanned aerial vehicles, the situations that the observation data is unrepresentative, the operation parameters of instruments are incorrect and the like can occur, and the observation results are further influenced. Therefore, how to simulate the changeable atmospheric environment conditions and the observation work of the unmanned aerial vehicle under the conditions so as to provide reference and support for researches such as improving the observation of the unmanned aerial vehicle and improving the observation accuracy is a problem to be solved in the field.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned technical problems, the technical solution of the present disclosure provides in various aspects an apparatus and system for simulating an atmospheric environment.

In one aspect of the present invention, there is provided an apparatus for simulating an atmospheric environment, comprising: the environment simulation unit comprises an air supply device, an air supply channel part and a simulated environment generation device, wherein the air supply channel part is communicated with an air outlet of the air supply device, and the simulated environment generation device is communicated with the air supply channel part and is used for changing the environmental conditions in the air supply channel part so as to generate airflow for simulating the atmospheric environment; and the test unit comprises a test cabin, the test cabin is arranged on the downstream direction of the airflow direction generated by the environment simulation unit and is communicated with the environment simulation unit, and the test cabin is used for placing unmanned aerial vehicle observation equipment so as to simulate and test the atmospheric environment observed by the unmanned aerial vehicle observation equipment.

According to the utility model discloses an embodiment, air supply equipment air supply channel portion with the test chamber is arranged along vertical direction in proper order to simulate perpendicular atmospheric environment.

According to another embodiment of the invention, the environmental simulation unit and the test unit are arranged along the same axis.

According to the utility model discloses a further embodiment, simulated environment generating device arrange in air supply equipment with between the air supply passageway portion, or arrange in the air supply passageway portion.

According to the utility model discloses a still another embodiment, the environmental simulation unit still includes: and the air filter is arranged at an air inlet of the air supply equipment and used for filtering the gas entering the air supply equipment.

According to the utility model discloses an embodiment, air supply channel part includes: the diffusion part comprises a narrow end and a wide end, wherein the narrow end is connected with an air outlet of the air supply equipment; and a flow stabilizer disposed between the wide end of the diffuser portion and the test bay.

According to the utility model discloses a further embodiment, simulated environment generating device arrange in narrow end with between the wide end or arrange in the narrow end with between the air supply equipment.

According to a further embodiment of the present invention, the flow stabilizing portion includes a plurality of air flow passages, and the plurality of air flow passages are arranged in a honeycomb structure, and the flow stabilizing portion is arranged so that the plurality of air flow passages are the same as the air flow direction.

According to a further embodiment of the present invention, one or more first observation windows are opened on the side wall of the diffusion portion.

According to an embodiment of the invention, the simulated environment generating device comprises at least one of an aerosol generator and a temperature exchanging device.

According to the utility model discloses a further embodiment, simulated environment generating device includes the aerosol generator with temperature exchange device, just temperature exchange device arrange in air supply equipment with between the aerosol generator.

According to the utility model discloses a still another embodiment, the test unit still including arrange in the sampling part in the test cabin, it is used for right in the test cabin the atmospheric environment samples or responds to.

According to the utility model discloses a still another embodiment, the test unit still includes environmental monitoring device, its with the sampling part is connected, so that right the test under-deck simulation atmospheric environment monitors.

According to the utility model discloses an embodiment, the test element still includes: the bracket is fixed in the test cabin and used for placing the unmanned aerial vehicle observation equipment, the bracket is arranged in the downstream direction of the sampling part, and the unmanned aerial vehicle observation equipment placed on the bracket is positioned in the downstream direction of the sampling part.

According to another embodiment of the invention, the support is arranged on the axis of the test chamber.

According to the utility model discloses a still another embodiment, be provided with the vibrating member on the support, it is right to be used for the unstable motion state of unmanned aerial vehicle observation equipment simulates.

According to the utility model discloses a still another embodiment, the support is telescopic bracket to so that through control telescopic bracket's length transformation controls unmanned aerial vehicle observation equipment's motion height or frequency of vibration.

According to the utility model discloses an embodiment, the support is rotatable support, so that be used for right unmanned aerial vehicle observation equipment's rotation state simulates.

According to the utility model discloses a further embodiment, the test unit still includes the carousel, its with leg joint is used for driving the support rotates.

According to the utility model discloses a still another embodiment, the support is but swing support, so that be used for right unmanned aerial vehicle observation equipment's swing state simulates.

According to the utility model discloses a further embodiment, the support with between the sampling part one or more second observation window has been seted up on the lateral wall of test chamber.

In another aspect of the invention, there is provided a system for simulating an atmospheric environment, comprising a device as described in any one of the aspects of the invention; and unmanned aerial vehicle observation equipment, it arranges in the test cabin of the device.

Through the foregoing right the utility model discloses a description, technical personnel in the field can understand the utility model discloses a device for simulating atmospheric environment can generate the air current through air supply equipment to through simulation environment generating device with the air current simulation of air supply passageway portion become changeable atmospheric environment's air current, and through the observation simulation and the test in the test cabin, realize simulating unmanned aerial vehicle observation work under the changeable atmospheric environment. According to the utility model discloses a device for simulating atmospheric environment can arrange the simulation that realizes for example perpendicular atmospheric environment or horizontal atmospheric environment through the position to environmental simulation unit and test element to and can realize multiple atmospheric environment's simulation through the setting to simulation environment emergence equipment.

Drawings

The above and other objects, features and advantages of exemplary embodiments of the present invention will become readily apparent from the following detailed description read in conjunction with the accompanying drawings. In the accompanying drawings, several embodiments of the present invention are illustrated by way of example and not by way of limitation, and like reference numerals designate like or corresponding parts throughout the several views:

figure 1 is a schematic diagram generally illustrating an apparatus for simulating an atmospheric environment in accordance with the present invention;

fig. 2a and 2b are schematic diagrams showing a number of embodiments of an apparatus for simulating a vertical atmospheric environment according to the present invention;

fig. 3 is a schematic diagram illustrating an apparatus including an air filter according to an embodiment of the present invention;

fig. 4 is a schematic diagram illustrating an apparatus for simulating an atmospheric environment including an aerosol generator and a temperature exchange device according to an embodiment of the present invention;

fig. 5a and 5b are a number of schematic diagrams showing cross-sections of flow stabilizers according to embodiments of the invention;

fig. 6 and 7 are a number of schematic views illustrating an apparatus including a bracket according to embodiments of the present invention; and

fig. 8 is a schematic diagram illustrating a system for simulating an atmospheric environment according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.

It should be understood that the terms "first," "second," "third," and "fourth," etc. in the claims, description, and drawings of the present invention are used for distinguishing between different objects and not for describing a particular order. The terms "comprises" and "comprising," when used in the specification and claims of the present invention, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the specification and claims of this application, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should be further understood that the term "and/or" as used in the specification and claims of the present invention refers to any and all possible combinations of one or more of the associated listed items and includes such combinations.

As used in this specification and claims, the term "if" may be interpreted contextually as "when", "upon" or "in response to a determination" or "in response to a detection". Similarly, the phrase "if it is determined" or "if a [ described condition or event ] is detected" may be interpreted contextually to mean "upon determining" or "in response to determining" or "upon detecting [ described condition or event ]" or "in response to detecting [ described condition or event ]".

The inventor finds that the unmanned aerial vehicle can carry conventional small-sized atmospheric observation equipment, the observable content relates to the particle size spectrum, atmospheric extinction and photolysis intensity and the like of the conventional six pollutants and atmospheric particulates, and the observation range is wide. When the unmanned aerial vehicle carrying equipment is used for observing the atmospheric environment, the optimal observation point of the unmanned aerial vehicle can change along with the change of the external environment, and the influence of the environment and the change of the observation point directly influence the accuracy and the representativeness of the observation data. The best observation point is the most representative position of the unmanned aerial vehicle sampling hole relative to the unmanned aerial vehicle wind field. However, the current research is only about the research on the optimal observation point of the unmanned aerial vehicle, and particularly the optimal observation point of the unmanned aerial vehicle can be suitable for the dynamically changeable atmospheric environment.

Through the following description, those skilled in the art can understand that the device of the utility model can realize the air flow field of simulating various atmospheric environments through the setting to the environment simulation unit to can realize the observation condition of simulation unmanned aerial vehicle observation equipment through the setting of test unit, thereby can be applied to the research of finding the best observation point position on the unmanned aerial vehicle through the organism flow field characteristic of unmanned aerial vehicle.

The utility model discloses an in some embodiments, can be through arranging air supply equipment, air supply channel portion and test chamber along vertical direction in proper order and make the utility model discloses a device can be used to simulate unmanned aerial vehicle observation work under the perpendicular atmospheric environment. In other embodiments of the present invention, the diffusion portion and the flow stabilizing portion are disposed to achieve effects of eliminating turbulence and stabilizing airflow. In still other embodiments of the present invention, the simulation of the environment such as rainfall, downdraft, pollutant environment, temperature variation, etc. can be realized by the arrangement of the aerosol generator and the temperature exchanging device. The utility model discloses a in some embodiments again, can also be through setting up the sampling part in the test element, realize to the atmospheric environment monitoring in the test chamber and can be applied to through the research of looking for best observation point position with unmanned aerial vehicle observation data contrast. The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings.

Fig. 1 is a schematic diagram generally illustrating an apparatus for simulating an atmospheric environment according to the present invention. As shown in fig. 1, the apparatus 100 may include: the environment simulation unit 110 (shown by a dotted line frame in the figure) may include an air supply device 111, an air supply passage portion 112, and a simulated environment generation device 113, wherein the air supply passage portion 112 may communicate with an air outlet of the air supply device 111, and the simulated environment generation device 113 may communicate with the air supply passage portion 112 and may be configured to change an environmental condition in the air supply passage portion 112, so as to generate an air flow simulating an atmospheric environment.

The air blowing device 111 described above may be a device for discharging air, such as a fan. The air supply device 111 may provide a negative pressure at the air inlet to draw air into the device and exhaust air through the air outlet to provide motive force for air flow. Air supply channel portion 112 may be communicated with the air outlet of air supply device 111 by being connected to the air outlet of air supply device 111 or by covering the entire air supply device 111, so that the air discharged through the air outlet of air supply device 111 can enter air supply channel portion 112 and form a flowable airflow. The shape of the air supply channel part 112 may be one or a combination of more of a straight cylinder (e.g., a hollow rectangular parallelepiped, a square, a cylinder, etc.), an arc, a bent shape, a wave, a trapezoid, etc., and may be set as required.

The simulated-environment generating device 113 may be disposed within the air supply passage portion 112 or outside the air supply passage portion 112 (such as shown in fig. 1), so that the simulated-environment generating device 113 can communicate with the air flow within the air supply passage portion 112, whereby the environmental conditions within the air supply passage portion 112 can be changed. In some embodiments, the air supply passage portion 112 may be arranged horizontally with the air supply device 111 (e.g., as shown in fig. 1). In other embodiments, the air supply passage portion 112 may be vertically arranged with the air supply device 111. The simulated environment generating device 113 may include, for example, one or more devices for generating changes in environmental conditions, such as temperature, humidity, contaminants, airflow direction, etc. In some embodiments, the simulated environment generating device 113 may include at least one of an aerosol generator, a temperature exchanging device, and the like.

As further shown in fig. 1, the apparatus 100 further includes a testing unit 120, the testing unit 120 may include a testing chamber 121, the testing chamber 121 is disposed downstream of the direction of the airflow (indicated by the arrow in the figure) generated by the environment simulation unit 110 and is communicated with the environment simulation unit 110, and the testing chamber 121 is used for placing the unmanned aerial vehicle observation device so as to simulate and test the atmospheric environment observed by the unmanned aerial vehicle observation device.

The gas flow direction described above is the direction of gas flow, and the downstream direction is the downstream direction of gas flow. The test compartment 121 may be in communication with the environmental simulation unit 110 by being connected to the environmental simulation unit 110 or by housing all or a portion of the environmental simulation unit 110 such that the airflow generated by the environmental simulation unit 110 is transmitted into the test compartment 121. In some embodiments, the test chamber 121 communicates with the air supply passage portion 112 and is disposed downstream of the air supply passage portion 112, so that the air flows through the air supply passage portion 112 and then flows into the test chamber 121. In other embodiments, test compartment 121 may be disposed horizontally with air supply duct portion 112 (e.g., as shown in fig. 1). In still other embodiments, the test chamber 121 may be vertically disposed with the supply air channel portion 112. In still other embodiments, the environmental simulation unit 110 may be disposed along the same axis as the test unit 120.

According to the utility model discloses an embodiment, test chamber 121 can be used for placing unmanned aerial vehicle observation equipment, can also be used to monitor the atmospheric environment that environmental simulation unit 110 produced. The unmanned aerial vehicle observation equipment can be realized through environment observation equipment carried by the unmanned aerial vehicle, wherein the position of a sampling port of the environment observation equipment relative to the unmanned aerial vehicle is an observation point position of the unmanned aerial vehicle observation equipment. In some application scenarios, the unmanned aerial vehicle observation device may be controlled to hover inside the test chamber 121 for observation simulation and testing. In other application scenarios, the drone observation device may be secured in a fixed position within the test bay 121 for observation and testing. In still other application scenarios, the observations of the drone observation device may be simulated and tested in real-time by controlling the flight state (e.g., position, velocity, etc.) of the drone observation device.

The above description of the apparatus for simulating an atmospheric environment according to the present invention is generally made in conjunction with fig. 1, and it can be understood that the apparatus of the present invention can realize simulation and observation tests of a horizontal atmospheric environment or a vertical atmospheric environment by changing the arrangement positions of the environment simulation unit 110 and the test unit 120, and the like. It will be understood by those skilled in the art that the structure of the apparatus shown in fig. 1 and the above description with respect to fig. 1 are exemplary and not restrictive, and for example, the inner diameter dimensions of the air supply passage part 112 and the test compartment 121 may not be limited to the same as those shown in the drawings, and may be set differently as needed. The simulated-environment generating device 113 may not be limited to being disposed outside the air blowing duct portion 112 in the drawing, and may be disposed inside the air blowing duct portion 112 or between the air blowing duct portion 112 and the air blowing device 111, etc., as necessary. Also for example, the environment simulation unit 110 and the test unit 120 may not be limited to the horizontal arrangement in the illustration for simulating a horizontal atmospheric environment, but may also be provided in a vertical arrangement as needed in order to simulate a vertical atmospheric environment. For ease of understanding, the following exemplary description will be made in conjunction with fig. 2a and 2 b.

Fig. 2a and 2b are diagrams illustrating a plurality of embodiments of an apparatus for simulating a vertical atmospheric environment according to the present invention. As shown in fig. 2a, the apparatus 200a may include an environment simulation unit 110 and a test unit 120 arranged in a vertical direction, wherein the environment simulation unit 110 may include an air supply device 111, an air supply passage part 112, and a simulated environment generation device 113, and the test unit 120 may include a test compartment 121. In the present embodiment, the air blowing device 111, the air blowing passage portion 112, and the test compartment 121 may be arranged in order in the vertical direction so as to simulate a vertical atmospheric environment. The simulated-environment generating device 113 may be disposed within the air supply passage portion 112. According to such an arrangement, the direction of the airflow generated by the environment simulation unit 110 may be a top-down direction as shown by the arrows in the figure. The arrangement of the simulated-environment generating device 113 in the air-supply passage section 112 can directly change the air-flow environment in the air-supply passage section 112.

As shown in fig. 2b, the apparatus 200b may include an environment simulation unit 110 and a test unit 120 arranged in a vertical direction, wherein the environment simulation unit 110 may include an air supply device 111, an air supply passage part 112, and a simulated environment generation device 113, and the test unit 120 may include a test compartment 121. In the present embodiment, the simulated-environment generating device 113 may be disposed between the air supply device 111 and the air supply passage portion 112 (i.e., in the upstream direction of the air supply passage portion 112), and the air supply device 111, the simulated-environment generating device 113, the air supply passage portion 112, and the test compartment 121 may be disposed in this order in the vertical direction so as to simulate the vertical atmospheric environment. According to such an arrangement, the direction of the airflow generated by the environment simulation unit 110 may be a top-down direction as shown by the arrows in the figure. The arrangement of the simulated-environment generating device 113 between the air blowing device 111 and the air blowing passage portion 112 can change the air flow environment flowing through the air blowing passage portion 112.

According to another embodiment of the present invention, the environmental simulation unit 110 and the test unit 120 may be arranged along the same axis, i.e. the environmental simulation unit 110 and the test unit 120 may have the same axis. The arrangement mode along the same axis can ensure that the whole device has symmetrical structure, and is favorable for improving the stability and firmness of the device.

While the above description is made in conjunction with fig. 2a and 2b for the embodiments of the apparatus for simulating an atmospheric environment according to the present invention, it should be understood that the air flow flowing out from the air supply passage portion 112 can be made to satisfy the air flow condition of the simulated atmospheric environment, compared to the case where the simulated environment generating device 113 is disposed in the downstream direction of the air supply passage portion 112 or outside the side wall of the air supply passage portion 112, and the simulated environment generating device 113 is disposed between the air supply device 111 and the air supply passage portion 112 or within the air supply passage portion 112.

It will be understood by those skilled in the art that the above description is exemplary and not limiting, for example, the environment simulation unit 110 and the test unit 120 may not be limited to the vertical arrangement in the illustration, and may be disposed, for example, in a horizontal arrangement or an inclined arrangement, etc., according to the needs of the simulation environment. For example, the structure of the air blowing duct portion 112 may not be limited to the duct portions having the same inner diameter as shown in the drawings, and may be a duct portion having a variable diameter as needed. The environment simulation unit 110 may not be limited to include only the air supply device 111, the air supply passage section 112, and the simulated environment generation device 113 in the illustration, and other devices may be arranged as necessary, for example, in some embodiments, the environment simulation unit 110 may further include an air filter. As will be described in connection with fig. 3.

Fig. 3 is a schematic diagram illustrating an apparatus including an air filter according to an embodiment of the present invention. As shown in fig. 3, the apparatus 300 may include the environment simulation unit 110 and the test unit 120 arranged in the vertical direction, and in the present embodiment, the environment simulation unit 110 may include an air filter 310, an air supply device 111, an air supply passage part 112, and a simulated environment generation device 113.

According to the present embodiment, the air filter 310 may be used to generate clean atmospheric air, and may be disposed at the air inlet of the air supply device 111 to filter the air entering the air supply device 111, so as to reduce the influence of impurities on the simulated atmospheric environment generated by the environment simulation unit 110. Air filter 310 may be disposed at an air inlet of air supply device 111 by direct connection or indirect connection.

As further shown in fig. 3, according to an embodiment of the present invention, the air supply passage part 112 may include: a diffuser portion 320, which may include a narrow end and a wide end, wherein the narrow end is connected to an air outlet of the air supply device 111; and a flow stabilizer 330 that may be disposed between the wide end of the diffuser 320 and the test compartment 121.

As shown in fig. 3, diffuser portion 320 may include a narrow end having a narrower inner diameter and a wide end having a larger inner diameter than the narrow end. The narrow end and the wide end of diffuser portion 320 may be formed by one or more transition structures, such as a stepped structure, a smoothly-transitioning curved structure, or a smoothly-transitioning straight structure. For example, in one embodiment, diffuser portion 320 may be cone-shaped. In another embodiment, diffuser portion 320 may be in the shape of a trapezoid. The diffuser portion 320 is provided to reduce the flow velocity (or wind speed) of the air flowing therethrough, thereby stabilizing the air flow velocity.

According to one embodiment of the present invention, simulated environment generating device 113 may be disposed within diffuser portion 320 between the narrow end and the wide end, such as shown in FIG. 3. According to another embodiment of the present invention, the simulated environment generating device 113 may be arranged between the narrow end and the air supply device 111. According to another embodiment of the present invention, one or more first observation windows may be disposed on the sidewall of the diffusion portion 320. In some application scenarios, the operation of simulated environment generating device 113 disposed within diffuser portion 320 may be observed through a first viewing window.

Further, the flow stabilizer 330 may be connected between the wide end of the diffuser 320 and the test compartment 121. In some embodiments, the inner diameter of the flow stabilizer 330 may be the same as the inner diameter of the wide end of the diffuser 320. In other embodiments, the inner diameter of flow stabilizer 330 may be greater than the inner diameter of the wide end of diffuser portion 320. The arrangement of the flow stabilizing part 330 can eliminate turbulent airflow, thereby having the function of stabilizing the airflow and enabling the flowing airflow to meet the requirement of vertical airflow.

The device 300 according to the embodiment of the present invention is exemplarily described above with reference to fig. 3. It will be understood by those skilled in the art that the above description is exemplary and not limiting, for example, the environment simulation unit 110 and the test unit 120 may not be limited to the vertical arrangement in the illustration, may be provided, for example, in a horizontal arrangement, etc., according to the needs of the simulation environment. For example, the structure of the flow stabilizer 330 is not limited to the structure shown in the drawings, and may be set and adjusted as necessary. In the following, another embodiment of the device of the present invention will be exemplarily described with reference to fig. 4.

According to another embodiment of the present invention, the simulated environment generating apparatus 113 may comprise at least one of an aerosol generator and a temperature exchanging device, for example. An apparatus for simulating an atmospheric environment comprising an aerosol generator and a temperature exchanging device will be described in connection with fig. 4, it being understood that the following description is exemplary and not limiting, and that the simulated environment generating device 113 comprises a variety and number of devices that can be adjusted and configured according to the environmental characteristics that need to be simulated. For example, in yet another embodiment, the simulated environment generating device 113 may include only an aerosol generator. In yet another embodiment, the simulated environment generating device 113 may include a temperature exchanging device.

Fig. 4 is a schematic diagram illustrating an apparatus for simulating an atmospheric environment including an aerosol generator and a temperature exchange device according to an embodiment of the present invention. As shown in fig. 4, the apparatus 400 may include the environment simulation unit 110 and the test unit 120 arranged in the vertical direction, and in the present embodiment, the environment simulation unit 110 may include an air filter 310, an air supply device 111, an air supply passage part 112, and a simulated environment generation device 113.

According to this embodiment, the simulated environment generating device 113 may comprise an aerosol generator 410 and a temperature exchanging device 420, and the temperature exchanging device 420 may be arranged between the air supply device 111 and the aerosol generator 410. In other embodiments, the temperature exchanging device 420 may be disposed between the air blowing device 111 and the air blowing passage portion 112. Aerosol generator 410 may be used to generate gaseous pollutants, aerosols, biological environments, rainfall environments, and the like. Aerosol refers to a gaseous dispersion of solid or liquid particles suspended in a gaseous medium. The density of these solid or liquid particles may be slightly different from the density of the gaseous medium, or may be very different. Solid or liquid particles can be in a wide variety of shapes, and can be nearly spherical, such as liquid beads, and can also be in the form of flakes, needles, and other irregular shapes. From the fluid mechanics point of view, an aerosol is essentially a multiphase fluid with a gas phase as a continuous phase and a solid and liquid phase as dispersed phases. The temperature exchanging device 420 may be used to vary the temperature of the air flowing therethrough so that the atmospheric environment that generates vertical air flow temperature variations may be simulated.

As further shown in fig. 4, according to yet another embodiment of the present invention, the air supply passage part 112 may include a diffuser part 320 and a flow stabilizing part 330, wherein the flow stabilizing part 330 may include a plurality of air flow passages, each of which may be a hollow structure to facilitate the passage of air flow. The plurality of air flow channels may be arranged in a honeycomb structure, and the flow stabilizer 330 is disposed such that the plurality of air flow channels are in the same direction as the air flow, so that the air flow can flow toward the test unit 120 through the plurality of air flow channels. The arrangement of the air flow channels can generate a flow guide effect on the flow of the air flow, so that the air flow path can be stabilized, and the generation of turbulent air flow can be eliminated. The flow stabilizing part 330 having the honeycomb structure not only has an effect of stabilizing the air flow, but also is more advantageous to generate the air flow condition conforming to the atmospheric environment. The airflow channels arranged in the honeycomb structure have the functions of cutting airflow vortex and straight airflow, so that a vertically downward airflow field can be provided for the test unit in some application scenes, and the airflow field environment of the unmanned aerial vehicle during vertical uniform-speed rising can be conveniently simulated. In order to facilitate understanding of the honeycomb structure of the flow stabilizer, the plurality of air flow passages of the flow stabilizer 330 arranged in the honeycomb structure will be described below with reference to fig. 5a and 5 b.

Fig. 5a and 5b are a number of schematic diagrams illustrating a cross-section of a flow stabilizer according to an embodiment of the invention. As shown in fig. 5a, in one embodiment, the flow stabilizer 330a may include a plurality of air flow passages 510, the cross-section of the air flow passages 510 may be square as shown, and the cross-sectional shape of the flow stabilizer 330a may be circular as shown. As shown in fig. 5b, in another embodiment, the flow stabilizer 330b may include a plurality of air flow passages 510, the cross-section of the air flow passages 510 may be hexagonal in the illustration, and the cross-sectional shape of the flow stabilizer 330b may be square in the illustration.

It will be understood by those skilled in the art that the structure of the flow stabilizer shown in fig. 5a and 5b is exemplary, for example, the shape of the cross-section of the air flow channel 510 may not be limited to the hexagonal shape or the square shape in the drawings, and may be provided in a regular or irregular shape such as a rectangular shape, a triangular shape, a trapezoidal shape, a pentagonal shape, etc., as required. The cross-sectional shape of the flow stabilizer may not be limited to the circular or square shape in the drawings, and may be provided in a regular or irregular shape such as a triangle, a rectangle, a diamond, a trapezoid, or the like, as needed.

The structure, arrangement and the like of the environmental simulation unit 110 of the device for simulating an atmospheric environment according to the embodiment of the present invention are described in detail with reference to fig. 3 to 5b, and for better understanding of the structure, functional function and the like of the test unit 120 of the present invention, the following description will be made with reference to fig. 6 and 7 on the exemplary structure of the test unit 120 according to the embodiment of the present invention.

Fig. 6 and 7 are a number of schematic views illustrating an apparatus including a bracket according to embodiments of the present invention, which will be described separately below. As shown in fig. 6, the apparatus 600 may include the environment simulation unit 110 and the test unit 120 arranged in a vertical direction, and in the present embodiment, the environment simulation unit 110 may include an air filter 310, an air supply device 111, an air supply passage part 112, and a simulated environment generation device 113, wherein the air supply passage part 112 may include a diffuser part 320 and a flow stabilizer part 330. The environment simulation unit 110 has been described in detail in the foregoing with reference to fig. 3 and 4, and is not described in detail here.

As shown in fig. 6, according to an embodiment of the present invention, the testing unit 120 may include a sampling component 610 disposed within the testing chamber 121, which may be used to sample or sense the atmospheric environment within the testing chamber 121. The sampling member 610 may be coupled to an inner wall of the test chamber 121. In some embodiments, the sampling component 610 can collect a gas sample for testing. In other embodiments, the sampling component 610 may sense atmospheric environmental parameters for testing. For example, in still other embodiments, the sampling component 610 can be a sampling tube, which can be at least one of metal, plastic, rubber, glass, and the like. In still other embodiments, the sampling component 610 may be a sensor.

According to another embodiment of the present invention, the testing unit 120 may further include an environment monitoring device, which may be connected to the sampling component 610, so as to monitor the simulated atmospheric environment inside the testing chamber 121. The environmental monitoring device may be disposed inside the test chamber 121 or outside the test chamber 121. The environmental monitoring device can be wired or wirelessly connected to the sampling component 610, either directly or indirectly. In one embodiment, the environment monitoring device may be disposed outside the test chamber 121, and a test port may be opened on a sidewall of the test chamber 121, so that the environment monitoring device may be connected to the sampling part 610 through the test port. The number and type of environmental monitoring devices can be selected as desired, for example, in one embodiment, the environmental monitoring devices are aerosol testing equipment that can be used to monitor the environmental characteristics of the aerosol within the test chamber 121.

As further shown in fig. 6, the test unit 120 may further include: a support 620, which may be fixed inside the test chamber 121 and is used for placing the unmanned aerial vehicle observation device, may be arranged in a downstream direction (downstream in the gas flow direction) of the sampling part 610, and may be such that the unmanned aerial vehicle observation device placed on the support 620 is located in the downstream direction of the sampling part 610. According to another embodiment of the present invention, the bracket 620 may be disposed on the axis of the test chamber 121, such that the bracket 620 may be located in the center of the airflow, avoiding the influence that may be caused to the airflow near the device sidewall. In the device of the perpendicular atmospheric environment of simulation, support 620 and the unmanned aerial vehicle observation equipment of placing on it are located the below of sampling part 610, can avoid the influence of unmanned aerial vehicle observation equipment to sampling part 610 sampling to can guarantee the accuracy and the stability of environmental monitoring device to the monitoring data of the atmospheric environment of simulation.

According to such setting, in some application scenarios, whether the observation data of the unmanned aerial vehicle observation equipment is accurate or not can be compared and analyzed by comparing the monitoring data of the environment monitoring device with the observation data of the unmanned aerial vehicle observation equipment, so that the parameter calibration of the unmanned aerial vehicle observation equipment is facilitated to provide standards and bases. In other application scenes, whether the observation point position is proper or not is judged by analyzing whether the observation data of the observation point position of the unmanned aerial vehicle observation equipment is accurate or not by comparing the monitoring data of the environment monitoring device with the observation data of the unmanned aerial vehicle observation equipment. In still other application scenarios, the optimal observation point of the observation equipment of the unmanned aerial vehicle can be found by comparing the monitoring data of the environment monitoring device and the observation data of the observation equipment of the unmanned aerial vehicle under different simulated atmospheric environments.

According to the utility model discloses a further embodiment, can set up one or more second observation window on the lateral wall of test cabin 121 between support 620 and the sampling part 610 to in real time observe unmanned aerial vehicle observation device's locating position and state (for example whether slope, skew, drop etc.) etc. through second observation window. In some embodiments, the plurality of second viewing windows may be uniformly or symmetrically disposed on the side wall of the test compartment 121. For example, in one particular embodiment, the apparatus 600 includes an even number of second viewing windows that may be symmetrically disposed on the side walls of the test compartment 121 relative to the axis of the test compartment 121. In another embodiment, the apparatus 600 includes an odd number of second viewing windows, which may be uniformly arranged on the side wall of the test chamber 121 with respect to the axis of the test chamber 121.

According to the utility model discloses a still another embodiment, can be provided with the vibration component on the support 620 to be used for simulating the unsteady motion state of unmanned aerial vehicle observation equipment. The unsteady motion state can be the fuselage shake or the vibration state of unmanned aerial vehicle observation equipment in the flight process. In some embodiments, the vibration member may include an elastic structure such as a spring, rubber, and the like, so that an unstable motion state of the unmanned aerial vehicle observation device along with the change of the simulated environment can be simulated. In other embodiments, the vibration member may include a mechanical vibration structure such as a vibrator, so that the vibration state of the observation device of the unmanned aerial vehicle may be controlled as required to simulate the unstable motion state thereof.

According to the utility model discloses a still another embodiment, support 620 can be telescopic bracket to the length transformation through control telescopic bracket controls unmanned aerial vehicle observation equipment's motion height or vibration frequency. In some application scenarios, the observation height of the unmanned aerial vehicle observation device can be controlled by controlling the extension or contraction length of the telescopic bracket. In other application scenarios, the frequency of the unmanned aerial vehicle observation device, such as up-down direction vibration, can be controlled by controlling the telescopic frequency of the telescopic support.

While the structure, arrangement and the like of the test unit according to the embodiment of the present invention are exemplarily described above with reference to fig. 6, it can be understood by those skilled in the art that the above description is illustrative and not restrictive, for example, the arrangement position of the support 620 may not be limited to the arrangement on the axis of the test chamber 121 in the illustration, and may be arranged on the side wall of the test chamber 121, for example, as required. Also for example, the structure of the bracket 620 may not be limited to the fixed structure shown in the drawings, but may be provided as, for example, a rotatable or swingable structure as needed. This will be exemplarily described below with reference to fig. 7.

Fig. 7 is a schematic diagram illustrating an apparatus including a rotatable bracket according to an embodiment of the present invention. As shown in fig. 7, the apparatus 700 may include the environment simulation unit 110 and the test unit 120 arranged in a vertical direction, and in the present embodiment, the environment simulation unit 110 may include an air filter 310, an air supply device 111, an air supply passage part 112, and a simulated environment generation device 113, wherein the air supply passage part 112 may include a diffuser part 320 and a flow stabilizer part 330; the test unit 120 may include a sampling member 610 and a holder 620 disposed within the test compartment 121. The environment simulation unit 110 has been described in detail in the foregoing with reference to fig. 3 and 4, and is not described in detail here. The sampling component 610 has been described above in connection with fig. 6 and will not be described in detail here.

As further shown in fig. 7, in this embodiment, the support 620 may be a rotatable support for simulating a rotation state of the drone observation device. In one embodiment, the support 620 may rotate in the direction shown by the arrow in FIG. 7. The rotatable support can freely rotate according to the change of the simulation environment, and can also be controlled to regularly rotate according to the requirement. In some application scenarios, simulating the rotation state of the unmanned aerial vehicle observation device can be used for observing the environment condition of the same horizontal plane in a vertical atmosphere environment.

Further, according to another embodiment of the present invention, the testing unit 120 may further include a turntable, which may be connected to the bracket 620 and used to drive the bracket 620 to rotate. In one embodiment, the support 620 may be disposed at an edge of the turntable such that the support 620 may rotate about an axis as the turntable rotates. In another embodiment, the support 620 may be disposed at the center of the turntable such that the support 620 may rotate in situ with the rotation of the turntable. In yet another embodiment, the turntable can rotate while rocking so that the bracket 610 can rock along with the rocking of the turntable, and can be used to simulate the state of jolt of the unmanned aerial vehicle observation equipment caused by changes in the airflow of the atmospheric environment.

According to a variant of this embodiment, the support 620 may be a swingable support for simulating a swinging state of the unmanned aerial vehicle observation device. The swing state may be a motion between two directions along a straight line, similar to the motion trajectory of a pendulum. For example, in one embodiment, the support 620 may swing in a side-to-side direction.

A plurality of embodiments of the test unit according to this embodiment have been described above with reference to fig. 6 and 7, it being understood that, according to the utility model discloses a device can simulate unmanned aerial vehicle observation equipment's multiple motion state as required to satisfy different simulation observation demands. Further, the present invention provides in another aspect a system for simulating an atmospheric environment, which may comprise an apparatus as described in any one of the aspects of the invention; and unmanned aerial vehicle observation equipment, it arranges in the test cabin of device. For convenience of illustration, the system 800 for simulating an atmospheric environment according to the present invention will be described exemplarily with reference to fig. 8 by taking the apparatus 600 shown in fig. 6 as an example.

Fig. 8 is a schematic diagram illustrating a system for simulating an atmospheric environment according to an embodiment of the present invention. As shown in fig. 8, the system 800 may include means for simulating an atmospheric environment and a drone observation device 810 disposed within the test capsule 121. The apparatus for simulating an atmospheric environment may include an environment simulation unit 110 and a test unit 120 arranged in a vertical direction, and in the present embodiment, the environment simulation unit 110 may include an air filter 310, an air supply device 111, an air supply passage part 112, and a simulated environment generation device 113, wherein the air supply passage part 112 may include a diffuser part 320 and a flow stabilizer part 330; the test unit 120 may include a sampling member 610 and a holder 620 disposed within the test compartment 121. This device is the same as or similar to the device shown in fig. 6 and will not be described in detail here.

As shown in fig. 8, the drone observation device 810 may implement observation tasks by means of a drone-mounted observation device. According to the utility model discloses a system 800 can be used for simulating atmospheric environment, simulation test unmanned aerial vehicle observation equipment's observation work and confirm best observation site etc. through contrast and analysis unmanned aerial vehicle observation data and simulation atmospheric environment data. For example, in one embodiment, whether under the environment conditions of vertical airflow or severe changes of temperature, the data measured at the point about 10cm above the wing of the axis of the unmanned aerial vehicle observation device 810 is always the closest to the data monitored at the sampling component 610, which indicates that the point is the most representative optimal observation point.

Through the above, the technical scheme of the utility model and the description of a plurality of embodiments thereof, the technical personnel in the field should understand, the utility model discloses an environmental simulation unit generates the air current of simulation atmosphere environment to and through the observation simulation and the test in the test cabin, realize simulating the test and the analysis of unmanned aerial vehicle flight observation under the changeable atmosphere environment. In some embodiments, the utility model discloses a vertical arrangement of environmental simulation unit and test unit to and the setting of aerosol generator and temperature exchange device etc. atmospheric environment characteristic when can simulate perpendicular atmospheric airflow flow field and unmanned aerial vehicle vertical flight, make unmanned aerial vehicle observation equipment can simulate real perpendicular atmospheric environment condition at the device and carry out directional accurate test calibration. In other embodiments, the environmental characteristics, such as wind field characteristics and aerosol concentration levels, within the test chamber may be monitored by connecting an environmental monitoring device to the sampling component. In still other embodiments, through the arrangement of the second observation window, the test field environment in the test chamber, the condition of the observation equipment of the unmanned aerial vehicle and the like can be observed. In still other embodiments, through the arrangement of the honeycomb structure of the flow stabilizing part, the simulation of the airflow field environment when the unmanned aerial vehicle vertically ascends can be realized. Furthermore, through the test and analysis of the test unit on the characteristics of the wind field around the unmanned aerial vehicle, the optimal observation point position, the optimal observation environment condition and the like of the observation equipment of the unmanned aerial vehicle can be determined when the atmospheric environment is observed.

Although the embodiments of the present invention have been described above, the description is only for the convenience of understanding the present invention, and is not intended to limit the scope or application of the present invention. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (24)

1. An apparatus for simulating an atmospheric environment, the apparatus comprising:

the environment simulation unit comprises an air supply device, an air supply channel part and a simulated environment generation device, wherein the air supply channel part is communicated with an air outlet of the air supply device, and the simulated environment generation device is communicated with the air supply channel part and is used for changing the environmental conditions in the air supply channel part so as to generate airflow for simulating the atmospheric environment; and

the test unit comprises a test cabin, the test cabin is arranged on the downstream direction of the airflow direction generated by the environment simulation unit and communicated with the environment simulation unit, and the test cabin is used for placing unmanned aerial vehicle observation equipment so as to simulate and test the atmospheric environment observed by the unmanned aerial vehicle observation equipment.

2. The apparatus of claim 1, wherein the air supply device, the air supply passage portion, and the test compartment are arranged in order in a vertical direction so as to simulate a vertical atmospheric environment.

3. The apparatus of claim 2, wherein the environmental simulation unit and the test unit are arranged along a same axis.

4. The apparatus of claim 1, wherein said simulated environment generating device is disposed between said air supply device and said air supply duct portion, or within said air supply duct portion.

5. The apparatus of claim 2, wherein the simulated-environment generating device is disposed between the air supply device and the air supply duct portion, or within the air supply duct portion.

6. The apparatus of claim 1, wherein the environmental simulation unit further comprises:

and the air filter is arranged at an air inlet of the air supply equipment and used for filtering the gas entering the air supply equipment.

7. The apparatus of claim 2, wherein the environmental simulation unit further comprises:

and the air filter is arranged at an air inlet of the air supply equipment and used for filtering the gas entering the air supply equipment.

8. The apparatus according to any one of claims 1 to 7, wherein the air supply passage section includes:

the diffusion part comprises a narrow end and a wide end, wherein the narrow end is connected with an air outlet of the air supply equipment; and

a flow stabilizer disposed between the wide end of the diffuser portion and the test bay.

9. The apparatus of claim 8, wherein the simulated-environment-generating device is disposed between the narrow end and the wide end or between the narrow end and the air-moving device.

10. The device of claim 8, wherein the flow stabilizer includes a plurality of air flow channels arranged in a honeycomb structure and the flow stabilizer is arranged such that the plurality of air flow channels are in the same direction as the air flow.

11. The apparatus according to claim 8, wherein one or more first observation windows are opened in a side wall of the diffuser portion.

12. The apparatus of any one of claims 1-7, or 9-11, wherein the simulated environment generating device comprises at least one of an aerosol generator and a temperature exchanging device.

13. The apparatus of claim 12, wherein the simulated environment generating device comprises the aerosol generator and the temperature exchanging device, and the temperature exchanging device is disposed between the air supply device and the aerosol generator.

14. The device according to claim 1 or 2, wherein the test unit further comprises a sampling means arranged within the test compartment for sampling or sensing the atmospheric environment within the test compartment.

15. The apparatus of claim 14, wherein the test unit further comprises an environmental monitoring device coupled to the sampling member to monitor the simulated atmospheric environment within the test chamber.

16. The apparatus of claim 14, wherein the test unit further comprises:

the bracket is fixed in the test cabin and used for placing the unmanned aerial vehicle observation equipment, the bracket is arranged in the downstream direction of the sampling part, and the unmanned aerial vehicle observation equipment placed on the bracket is positioned in the downstream direction of the sampling part.

17. The apparatus of claim 16, wherein the rack is disposed on an axis of the test bay.

18. The apparatus of claim 16, wherein the support is provided with a vibration member for simulating an unsteady motion state of the UAV observation device.

19. The apparatus of claim 16, wherein the support is a telescoping support, such that the height of motion or frequency of vibration of the drone observation device is controlled by controlling the length change of the telescoping support.

20. The apparatus of claim 16, wherein the support is a rotatable support for simulating a rotation state of the UAV observation device.

21. The apparatus of claim 16 or 20, wherein the test unit further comprises a turntable coupled to the frame for rotating the frame.

22. The apparatus of claim 16, wherein the support is a swingable support for simulating a swing state of the UAV observation device.

23. The apparatus of claim 16, wherein one or more second viewing windows are defined in a side wall of the test compartment between the rack and the sampling member.

24. A system for simulating an atmospheric environment, the system comprising an apparatus according to any of claims 1-23; and unmanned aerial vehicle observation equipment, it arranges in the test cabin of the device.

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