阅读说明：本技术 一种环境模拟装置 (Environment simulation device ) 是由 杨加春 徐洁 陈忠 谨凯 于 2021-09-23 设计创作，主要内容包括：本发明提供了一种环境模拟装置,属于特殊环境模拟技术领域,解决了有技术无法验证用于高空探测的各传感器的测量及修正方法的准确性。一种环境模拟装置,包括探空仪模拟试验装置、压力控制器和双压湿度发生器；所述探空仪模拟试验装置包括密闭测试仓和加热制冷组件；所述密闭测试仓用于为探空仪提供测试环境,所述加热制冷组件用于调节密闭测试仓内的温度；所述密闭测试仓分别与所述压力控制器和双压湿度发生器相连；所述压力控制器用于调节所述密闭测试仓内的压力,所述双压湿度发生器用于调节所述密闭测试仓内的湿度。(The invention provides an environment simulation device, belongs to the technical field of special environment simulation, and solves the problem that the accuracy of a measurement and correction method of each sensor for high-altitude detection cannot be verified in the prior art. An environment simulation device comprises a sonde simulation test device, a pressure controller and a double-pressure humidity generator; the sonde simulation test device comprises a closed test bin and a heating and refrigerating assembly; the closed test bin is used for providing a test environment for the sonde, and the heating and refrigerating assembly is used for adjusting the temperature in the closed test bin; the closed test bin is respectively connected with the pressure controller and the double-pressure humidity generator; the pressure controller is used for adjusting the pressure in the closed test bin, and the double-pressure humidity generator is used for adjusting the humidity in the closed test bin.)

1. An environment simulation device is characterized by comprising a sonde simulation test device, a pressure controller and a double-pressure humidity generator;

the sonde simulation test device comprises a closed test bin and a heating and refrigerating assembly;

the closed test bin is used for providing a test environment for the sonde, and the heating and refrigerating assembly is used for adjusting the temperature in the closed test bin;

the closed test bin is respectively connected with the pressure controller and the double-pressure humidity generator;

the pressure controller is used for adjusting the pressure in the closed test bin, and the double-pressure humidity generator is used for adjusting the humidity in the closed test bin.

2. The environmental simulation device according to claim 1, wherein a temperature sensor, a humidity sensor, a standard pressure gauge and a mirror dew point meter are arranged in the closed test chamber;

the temperature sensor, the humidity sensor, the standard pressure gauge and the mirror dew-point instrument are respectively used for detecting the temperature, the humidity, the pressure and the dew-point temperature in the closed test bin.

3. The environmental simulation apparatus according to claim 2, further comprising a PID temperature controller, a PID humidity controller, and a PID pressure controller;

the PID temperature controller is respectively connected with the heating and refrigerating assembly and the temperature sensor;

the PID humidity controller is respectively connected with the double-pressure humidity generator and the humidity sensor;

and the PID pressure controller is respectively connected with the pressure controller and the standard pressure device.

4. The environmental simulation apparatus of claim 1, further comprising a solar radiation simulator;

a radiation window is arranged on the closed test bin;

an angle simulation table is arranged in the closed test bin;

the solar radiation simulator simulates solar radiation on the angle simulation platform through the radiation window.

5. The environmental simulation apparatus of claim 1, wherein the heating and cooling assembly comprises a thermostatic water bath, a heating device, and a cooling device;

the constant-temperature water tank is respectively connected with the heating device and the refrigerating device.

6. The environmental simulation device of claim 1, wherein a circulation fan is disposed within the enclosed test chamber.

7. The environmental simulation apparatus of claim 5, wherein the heating device comprises a heating tube and a solid state relay;

the heating pipe is connected with the solid-state relay;

the refrigerating device comprises a compressor, a condenser and an evaporator;

the compressor is connected with the condenser, and the condenser is connected with the evaporator.

8. The environmental simulation device of claim 1, wherein a humidity test chamber is disposed within the closed test chamber;

the humidity testing cavity is provided with a humidity air inlet and a humidity air outlet;

the humidity air inlet is connected with the double-pressure humidity generator through a heat insulation pipeline;

the humidity test cavity is provided with a humidity test insertion hole;

and a speed-regulating fan is arranged in the humidity testing cavity.

9. The environmental simulation apparatus of claim 1, further comprising a rotating platform and a magnetic levitation motor;

the rotating platform is arranged in the closed test bin;

the magnetic suspension motor is connected with the rotating platform.

10. The environmental simulation device according to claim 1, wherein a touch display screen is arranged on the sonde simulation test device.

Technical Field

The invention relates to the technical field of special environment simulation, in particular to an environment simulation device.

Background

The method and technique for measuring physical and chemical characteristics of atmosphere above the near-ground layer is called high-altitude detection or high-altitude observation. The high-altitude meteorological observation mainly measures the temperature, humidity, air pressure, wind direction and wind speed of the atmosphere at each altitude. The high-altitude detection is one of meteorological basic services, the high-altitude detection service carried out by a meteorological station in China at present refers to a sonde carried by an ascending balloon, and the instrument can sense the air pressure, temperature and humidity in the surrounding environment in the process of flying up of the balloon. And sent to the ground in a radio signal mode. And the ground staff can obtain the vertical distribution condition of the meteorological elements above the survey station through calculation and arrangement. The method is used for weather forecast, climate analysis, scientific research, international exchange and the like.

In the high-altitude detection, various sensors are needed to measure data such as temperature, humidity, air pressure, wind direction and wind speed of the atmosphere at various heights, but factors such as environmental climate of the high altitude are different from those of the conventional environment, so that the problems of data measurement deviation and the like of each sensor in the high-altitude environment are likely to occur, the accuracy of the measurement and correction method of each sensor in the sounding environment cannot be verified, and the working effect of the high-altitude detection is further influenced.

Therefore, the prior art cannot verify the accuracy of the measurement and correction method of each sensor for high altitude detection.

Disclosure of Invention

The invention aims to provide an environment simulation device to solve the technical problem that the accuracy of a measuring and correcting method of each sensor for high-altitude detection cannot be verified in the prior art.

The invention provides an environment simulation device, which comprises a sonde simulation test device, a pressure controller and a double-pressure humidity generator, wherein the sonde simulation test device comprises a pressure controller and a double-pressure humidity generator;

the sonde simulation test device comprises a closed test bin and a heating and refrigerating assembly;

the closed test bin is used for providing a test environment for the sonde, and the heating and refrigerating assembly is used for adjusting the temperature in the closed test bin;

the closed test bin is respectively connected with the pressure controller and the double-pressure humidity generator;

the pressure controller is used for adjusting the pressure in the closed test bin, and the double-pressure humidity generator is used for adjusting the humidity in the closed test bin.

Furthermore, a temperature sensor, a humidity sensor, a standard pressure gauge and a mirror dew point meter are arranged in the closed test bin;

the temperature sensor, the humidity sensor, the standard pressure gauge and the mirror dew-point instrument are respectively used for detecting the temperature, the humidity, the pressure and the dew-point temperature in the closed test bin.

Further, the device also comprises a PID temperature controller, a PID humidity controller and a PID pressure controller;

the PID temperature controller is respectively connected with the heating and refrigerating assembly and the temperature sensor;

the PID humidity controller is respectively connected with the double-pressure humidity generator and the humidity sensor;

and the PID pressure controller is respectively connected with the pressure controller and the standard pressure device.

Further, the solar radiation simulator is also included;

a radiation window is arranged on the closed test bin;

an angle simulation table is arranged in the closed test bin;

the solar radiation simulator simulates solar radiation on the angle simulation platform through the radiation window.

Further, the heating and refrigerating assembly comprises a constant-temperature water tank, a heating device and a refrigerating device;

the constant-temperature water tank is respectively connected with the heating device and the refrigerating device.

Furthermore, a circulating fan is arranged in the closed test bin.

Further, the heating device comprises a heating pipe, a solid-state relay and a PID temperature controller;

the PID temperature controller is connected with the heating pipe through the solid-state relay;

the refrigerating device comprises a compressor, a condenser and an evaporator;

the compressor is connected with the condenser, and the condenser is connected with the evaporator.

Further, a humidity testing cavity is arranged in the closed testing bin;

the humidity testing cavity is provided with a humidity air inlet and a humidity air outlet;

the humidity air inlet is connected with the double-pressure humidity generator through a heat insulation pipeline;

the humidity test cavity is provided with a humidity test insertion hole;

and a speed-regulating fan is arranged in the humidity testing cavity.

Furthermore, the device also comprises a rotating platform and a magnetic suspension motor;

the rotating platform is arranged in the closed test bin;

the magnetic suspension motor is connected with the rotating platform.

Furthermore, a touch display screen is arranged on the sonde simulation test device. ,

the environment simulation device provided by the invention comprises a sonde simulation test device, a pressure controller and a double-pressure humidity generator; the sonde simulation test device comprises a closed test bin and a heating and refrigerating assembly; the closed test bin is used for providing a test environment for the sonde, and the heating and refrigerating assembly is used for adjusting the temperature in the closed test bin; the closed test bin is respectively connected with the pressure controller and the double-pressure humidity generator; the pressure controller is used for adjusting the pressure in the closed test bin, and the double-pressure humidity generator is used for adjusting the humidity in the closed test bin.

By adopting the environment simulation device provided by the invention, the airtight test cabin and the heating and refrigerating assembly are arranged in the sonde simulation test device, so that the temperature environment of the outer space in various states can be simulated in the airtight test cabin, and the pressure controller and the double-pressure humidity generator are respectively connected with the airtight test cabin, so that the pressure and humidity environment of the outer space in various states can be simulated in the airtight test cabin, and further, the tests of various sensors of the tested sonde, such as the tests of temperature and humidity environment simulation or temperature and pressure environment simulation, can be completed in the sonde simulation test device, so that a suitable environment is provided for the test of the sonde, the problem of inaccurate measurement data or correction method caused by the difficulty in simulation test of the sonde is effectively avoided, and the measurement accuracy of high-altitude detection is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic internal view of a sonde simulation test apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic view of an environment simulation apparatus according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of a PID controller in an embodiment of the invention;

fig. 4 is an external schematic view of a sonde simulation test apparatus according to an embodiment of the present invention;

FIG. 5 is a schematic view of a humidity testing chamber in an embodiment of the present invention.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The terms "comprising" and "having," and any variations thereof, as referred to in embodiments of the present invention, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements but may alternatively include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In the high-altitude detection, various sensors are needed to measure data such as temperature, humidity, air pressure, wind direction and wind speed of the atmosphere at various heights, but factors such as environmental climate of the high altitude are different from those of the conventional environment, so that the problems of data measurement deviation and the like of each sensor in the high-altitude environment are likely to occur, the accuracy of the measurement and correction method of each sensor in the sounding environment cannot be verified, and the working effect of the high-altitude detection is further influenced.

Therefore, the prior art cannot verify the accuracy of the measurement and correction method of each sensor for high altitude detection.

To solve the above problems, embodiments of the present invention provide an environment simulation apparatus.

The environment simulation device provided by the embodiment of the invention as shown in fig. 1 and fig. 2 comprises a sonde simulation test device 1, a pressure controller 2 and a dual-pressure humidity generator 3; the sonde simulation test device 1 comprises a closed test chamber 4 and a heating and refrigerating assembly 5; the closed test bin 4 is used for providing a test environment for the sonde, and the heating and refrigerating assembly 5 is used for adjusting the temperature in the closed test bin 4; the closed test chamber 4 is respectively connected with the pressure controller 2 and the double-pressure humidity generator 3; the pressure controller 2 is used for adjusting the pressure in the closed test chamber 4, and the double-pressure humidity generator 3 is used for adjusting the humidity in the closed test chamber 4.

By adopting the environment simulation device provided by the embodiment of the invention, the airtight test cabin 4 and the heating and refrigerating assembly 5 are arranged in the sonde simulation test device 1, so that the temperature environment of the outer space in various states can be simulated in the airtight test cabin, and the pressure controller 2 and the double-pressure humidity generator 3 are respectively connected with the airtight test cabin 4, so that the pressure and humidity environment of the outer space in various states can be simulated in the airtight test cabin, and further, the tests of various sensors of the tested sonde, such as the tests of temperature and humidity environment simulation or temperature and pressure environment simulation, can be completed in the sonde simulation test device 1, so that a suitable environment is provided for the test of the sonde, the problem that the measurement data or correction method of the sonde is inaccurate due to the difficulty in simulation test of the sonde is effectively avoided, and the measurement accuracy of high altitude detection is improved.

In one possible embodiment, the sealed test chamber 4 shown in fig. 3 is provided with a temperature sensor 6, a humidity sensor 7, a standard pressure gauge (not shown) and a mirror dew point meter (not shown); the temperature sensor 6, the humidity sensor 7, the standard pressure gauge and the mirror dew point instrument are respectively used for detecting the temperature, the humidity, the pressure and the dew point temperature in the closed test bin 4. The mirror dew point instrument can provide standard temperature, humidity value and dew point temperature. The temperature sensor 6, the humidity sensor 7, the standard pressure gauge and the mirror dew point meter are respectively used for detecting various environmental data in the closed test bin 4 in real time, the closed test bin 4 is subjected to simulated environmental control according to the real-time environmental data, the temperature sensor 6 adopts a framework type Pt100 platinum resistance temperature sensing element with good long-term stability, high sensitivity, fast response speed and good vibration resistance, and the outer diameter is 4 mm.

In a possible embodiment, the environmental simulation means further comprise a PID temperature controller, a PID humidity controller and a PID pressure controller 2; the PID temperature controller is respectively connected with the heating and refrigerating assembly 5 and the temperature sensor 6; the PID humidity controller is respectively connected with the double-pressure humidity generator 3 and the humidity sensor 7; the PID pressure controller 2 is respectively connected with the pressure controller 2 and the standard pressure device. The PID temperature controller is composed of a temperature controller and a control execution device, the temperature controller adopts an SR94 type temperature controller, the controller is a digital intelligent controller, 10 groups of preset PID parameters can be stored in the controller, and the most appropriate PID parameters can be automatically selected to control within the temperature range of-100 ℃ to 100 ℃ according to the needs. Meanwhile, the controller is provided with a digital communication interface and can be controlled by an external computer. The PID temperature controller obtains the real-time temperature in the closed test bin 4 through the temperature sensor 6, and then PID temperature control in the closed test bin 4 is completed. For example, after the target temperature value is set, the refrigerating device provides a certain refrigerating capacity to realize the cooling of the test cabin of the sealed cabin, when the target temperature value is reached, the refrigerating capacity is basically constant, the heating capacity of the heating pipe is accurately controlled by the PID temperature controller, and the stable control of the temperature is realized. The PID humidity controller obtains the real-time humidity in the closed test bin 4 through the humidity sensor 7, and then PID humidity control in the closed test bin 4 is completed. The PID pressure controller 2 obtains the real-time pressure in the closed test bin 4 through the standard pressure gauge, and then the PID pressure control in the closed test bin 4 is completed.

In a possible embodiment, the environment simulation device further comprises a solar radiation simulator (not shown in the figure; a radiation window 8 is arranged on the closed test bin 4 shown in fig. 4; an angle simulation table is arranged in the closed test bin 4; the solar radiation simulator simulates solar radiation on the angle simulation table through the radiation window 8. the solar radiation simulator provides a stable and uniform solar radiation source with a certain light spot effective caliber, and the irradiance intensity can be set and controlled. the angle simulation table is positioned in the closed test bin 4, and the angle between the table surface of the angle simulation table and the vertical axis of the angle simulation table is variable and controllable.

In a possible embodiment, the heating and cooling assembly 5 comprises a thermostatic water bath, a heating device and a cooling device; the constant temperature water tank is respectively connected with the heating device and the refrigerating device. The constant temperature water tank provides a temperature field with high temperature stability and high uniformity for the closed test bin 4.

In a possible embodiment, a circulation fan 9 is arranged in the closed test chamber 4. The circulating fan 9 is used for fully stirring and exchanging heat in the closed test bin 4, so that a stable temperature field is formed, and the simulation effect of the simulation environment is optimized.

In one possible embodiment, the heating device comprises a heating tube, a solid state relay and a PID temperature controller; the PID temperature controller is connected with the heating pipe through a solid-state relay; the refrigerating device comprises a compressor, a condenser and an evaporator; the compressor is connected with the condenser, and the condenser is connected with the evaporator. The heating pipe is an armored electric heater, and the heating power is about 1 kW. The heater is made of nickel-chromium wire material with good oxidation resistance and small heating inertia. The compressor adopts a totally-enclosed compressor, is a large-volume F-level insulated motor with high efficiency and low slip ratio, and has the characteristics of high refrigerating capacity, low power consumption, safe operation and the like.

In one possible embodiment, as shown in fig. 5, a humidity testing chamber 10 is provided in the closed testing chamber 4; the humidity testing chamber 10 is provided with a humidity air inlet 101 and a humidity air outlet 102; the humidity air inlet 101 is connected with the double-pressure humidity generator 3 through a heat preservation pipeline (not shown in the figure); in order to ensure that the heat preservation pipeline does not dew at high temperature, the heat preservation pipeline takes heating measures, namely when the target value temperature of the closed test bin 4 is higher than the normal temperature, the heat preservation pipeline 4 is heated and controlled, and therefore the inner wall of the heat preservation pipeline 4 does not dew at high temperature. The humidity test chamber 10 is provided with a humidity test insertion port 103; a speed-adjustable fan 104 is arranged in the humidity testing chamber 10. The speed regulation fan 104 controls the rotating speed through an external circuit, so that different wind speeds are formed in the humidity testing cavity, wind speed simulation is carried out, the humidity testing cavity 10 is positioned in the constant-temperature sealed cabin testing bin, and the humidity sensor 7 of the tested sonde enters the humidity testing cavity 10 through the humidity testing insertion hole 103 during testing; a humidity air inlet 101 of the humidity test chamber 10 is connected with a humidity air outlet 102 of the external dual-pressure humidity generator 3; the humidity air outlet 102 of the humidity testing chamber 10 is connected to the outside of the closed testing chamber 4 for discharging. The humidity generator 3 is used for controlling each humidity point, and the moisture of each humidity point enters the humidity testing cavity 10 to form a stable humidity field, so that the simulation test of the humidity sensor 7 of the sonde is realized.

In a possible embodiment, the environment simulation device further comprises a rotating platform (not shown in the figure) and a magnetic suspension motor (not shown in the figure); the rotating platform is arranged in the closed test chamber 4; the magnetic suspension motor is connected with the rotating platform. The magnetic suspension motor drives the rotating platform to rotate, the sounding instrument is placed on the rotating platform and rotates along with the rotating platform, convection is generated between the sounding instrument and gas in the sealed test bin 4, and rising speed change of the sounding instrument during rising is simulated.

In a possible embodiment, the sonde simulation test device 1 is provided with a touch-sensitive display screen 11. The temperature target in the sealed test chamber 4 can be set through the touch display screen 11, and the actual temperature value of the sealed test chamber 4 can be displayed, so that the operation and control of operators are facilitated.

In a possible implementation mode, in the temperature and humidity environment simulation method, the sealed test bin 4 can simulate the humidity at different temperatures, and the temperature in the sealed test bin 4 is independently controlled by the heating and refrigerating assembly 5; when carrying out humidity control, earlier with the temperature control of two pressure humidity generator 3 at the same target value with sonde analogue test device, pass through heat preservation pipeline with the moisture of two pressure humidity generator 3 outputs and be connected to in sealed test bin 4, through the steerable different humidity value of two pressure humidity generator, the moisture of the different humidity of output gets into sealed test bin 4 to can simulate humidity variation under the different temperatures in sealed test bin 4, and then accomplish the humiture environmental simulation to the sonde.

In a possible implementation mode, in the warm-pressure environment simulation method, the sealed test bin 4 can simulate the air pressure change at different temperatures, and the temperature in the sealed test bin 4 is independently controlled by the heating and refrigerating assembly 5; when carrying out temperature control, earlier pass through the pipeline connection to the pressure output interface of pressure controller 2 in sealed test chamber 4, but through the atmospheric pressure value of pressure controller 2 steerable difference to atmospheric pressure change under can the different temperatures of simulation in sealed test chamber 4, and then accomplish the warm-pressing environmental simulation to the sonde.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, which are used for illustrating the technical solutions of the present invention and not for limiting the same, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; and the modifications, changes or substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention. Are intended to be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.