CN211122597U - Ground experimental device for simulating satellite-borne atmospheric microwave remote sensing - Google Patents
Ground experimental device for simulating satellite-borne atmospheric microwave remote sensing Download PDFInfo
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- CN211122597U CN211122597U CN201922184544.9U CN201922184544U CN211122597U CN 211122597 U CN211122597 U CN 211122597U CN 201922184544 U CN201922184544 U CN 201922184544U CN 211122597 U CN211122597 U CN 211122597U
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Abstract
The utility model discloses a simulation satellite-borne atmosphere microwave remote sensing ground experimental apparatus, include: the air storage tank, the first movable window area, the second movable window area, the air inlet control part, the air outlet control part and the monitoring display part; the first movable window area and the second movable window area are positioned at two ends of the gas storage tank and are respectively provided with a detachable movable window sheet, and the movable window sheets comprise wave-transmitting window sheets and non-wave-transmitting window sheets; the air inlet control part is connected with the air inlet of the air storage tank at the air outlet and is used for introducing air required by simulated atmosphere; the air outlet control part is connected with the air outlet of the air storage tank to ensure that the air storage tank is in a vacuum state; the monitoring display part is arranged on the gas storage tank and used for monitoring the gas state in the gas storage tank. The utility model discloses make the simulation go out atmosphere composition under the ground laboratory condition, carry out the ration through the gas composition and the content of giving vent to anger control division in to the gas holder with the admission control portion and adjust to obtain simulation atmosphere mist. The device has the advantages of simple operation, strong universality, strong controllability and the like.
Description
Technical Field
The utility model belongs to the technical field of passive microwave measures, especially, relate to a simulation satellite-borne atmosphere microwave remote sensing ground experimental apparatus.
Background
The microwave propagates and attenuates in the atmosphere, and when the microwave propagates in the atmosphere, the microwave is affected by gas molecules in the atmosphere, and the microwave comprises: water vapor, carbon dioxide, ozone; a hydrometeor, comprising: ice crystals, snow, fog; and an aerosol comprising: the absorption and scattering action of dust, smoke, salt particles and microorganisms forms an absorption band in which the radiation energy of the electromagnetic waves is attenuated.
Therefore, in the development of the remote atmospheric load, because the components in the atmosphere are different, the influence of the unique gas components in a specific atmospheric region on the microwaves needs to be known, and the microwaves are prevented from being interfered or attenuated in practical application to prevent the microwaves from being incapable of transmitting effective information, so that an experiment for simulating the penetration of the microwaves into the atmosphere needs to be performed. In addition, the following requirements are required to be met when the microwave detection is carried out in simulated atmosphere: mixing of multiple gases can be carried out simultaneously; the gas can be injected quantitatively; the device can effectively detect the radiation performance of the microwave on the atmosphere and different measured targets after the influence of the atmosphere, and a device for testing microwave remote sensing by simulating the atmosphere on the ground does not exist in the prior art.
SUMMERY OF THE UTILITY MODEL
The technical purpose of the utility model is to provide a simulation satellite-borne atmosphere microwave remote sensing ground experimental apparatus to the realization carries out the test of microwave remote sensing at ground simulation atmosphere.
In order to solve the above problem, the technical scheme of the utility model is that:
a simulated satellite-borne atmospheric microwave remote sensing ground experimental device comprises: the air storage tank, the first movable window area, the second movable window area, the air inlet control part, the air outlet control part and the monitoring display part;
the first movable window area is arranged at one end of the gas storage tank, the second movable window area is arranged at the other end of the gas storage tank, and the first movable window area and the second movable window area are positioned on the same straight line, wherein the first movable window area and the second movable window area are both provided with detachable movable window sheets, and the movable window sheets comprise wave-transmitting window sheets and wave-non-transmitting window sheets; the air outlet of the air inlet control part is connected with the air inlet of the air storage tank and used for introducing air required by simulated atmosphere; the air inlet of the air outlet control part is connected with the air outlet of the air storage tank so as to enable the air storage tank to be in a vacuum state; the monitoring display part is arranged on the gas storage tank and used for monitoring the gas state in the gas storage tank;
when the movable window sheet of the first movable window area and the movable window sheet of the second movable window area are both wave-transparent window sheets, the radiation characteristics of the detected microwave after being influenced by atmosphere are simulated;
when the movable window sheet of the first movable window area and the movable window sheet of the second movable window area are respectively a wave-transparent window sheet and a non-wave-transparent window sheet, the simulation system is used for simulating and detecting atmospheric characteristics.
The air inlet control part comprises an air inlet pipeline for providing various atmospheric components, a first air valve group and a flow meter, wherein the first air valve group and the flow meter are arranged on the air inlet pipeline, and the first air valve group is in control connection with the flow meter and used for controlling the air inlet content of the various atmospheric components of the air storage tank.
The air outlet control part comprises an air outlet pipeline, a second air vent valve group and a vacuum pump, one end of the air outlet pipeline is connected with the air storage tank, the other end of the air outlet pipeline is connected with the vacuum pump, and the second air vent valve group is arranged on the air outlet pipeline.
The monitoring display part comprises a sensing component and a monitoring terminal, wherein the sensing component is arranged in the air storage tank and is used for measuring the temperature, the humidity and the pressure in the air storage tank; the monitoring terminal is arranged on the outer surface of the gas storage tank and is electrically connected with the sensing assembly and used for displaying received parameter values of temperature, humidity and pressure.
The material of the gas storage tank is aluminum alloy; the wave-transparent window sheet is made of Teflon; the non-wave-transparent window sheet is made of aluminum alloy.
The utility model discloses owing to adopt above technical scheme, make it compare with prior art and have following advantage and positive effect:
the utility model is provided with a first movable window area and a second movable window area, wherein the two movable window areas can be replaced, disassembled and assembled with wave-transparent window sheets or non-wave-transparent window sheets, the window sheets can be replaced according to the test requirements, if the air detection is simulated in the air storage tank, one end of the air storage tank selects the wave-transparent window sheets, and the other end of the air storage tank is the non-wave-transparent window sheets; if the microwave radiation characteristic of the target to be detected after being influenced by the atmosphere needs to be detected, replacing the two ends with wave-transparent window sheets; wherein, the wave-transparent window sheet is made of Teflon material which is light-proof but microwave energy penetrates; the non-wave-transparent window sheet is made of an aluminum alloy material, and light and microwave cannot penetrate through the window sheet;
the utility model discloses be equipped with the admission control portion, the admission control portion can get into the gas of multiple difference simultaneously, mutual noninterference promotes the efficiency of admitting air. The air inlet control part controls the amount of input air through a flow meter and a vent valve, so that the proportion of air in the air storage tank is accurately controlled;
the utility model is provided with an air outlet control part, and the air in the air storage tank is discharged through the vacuum pump, so that the interior of the air storage tank is in a vacuum state, and the exhausted air can not influence the next test and prepare for the next test;
the utility model discloses be equipped with monitoring display portion, the parameter of temperature, humidity, pressure in the real time monitoring gas holder to ensure whether gas reaches the required requirement of test in the gas holder, improve the accuracy of test result.
To sum up, the utility model discloses can be used to realize simulating out atmosphere composition and content under ground laboratory condition, satisfy various gaseous survey verify and different detection target microwave radiometric needs after the atmospheric influence. The gas composition and content in the gas storage tank can be quantitatively regulated through the gas outlet control part and the gas inlet control part, so that the simulated atmosphere mixed gas meeting the requirements is obtained. The device has the advantages of simple operation, strong universality, strong controllability and the like.
Drawings
Fig. 1 is the utility model discloses a simulation atmosphere remote sensing ground experimental apparatus's schematic structure diagram.
Description of reference numerals:
1: a gas storage tank; 2: a first moving window region; 3: a second moving window region; 4: a monitoring display unit; 5: an air intake control unit; 51: a first vent valve set; 52: a flow meter; 6: an air outlet control part; 61: a second vent valve set; 62: a vacuum pump.
Detailed Description
In order to more clearly illustrate embodiments of the present invention or technical solutions in the prior art, specific embodiments of the present invention will be described below with reference to the accompanying drawings. It is obvious that the drawings in the following description are only examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be obtained from these drawings without inventive effort.
For the sake of simplicity, only the parts relevant to the present invention are schematically shown in the drawings, and they do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "one" means not only "only one" but also a case of "more than one".
The ground experimental device for simulating satellite-borne atmospheric microwave remote sensing provided by the invention is further described in detail with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more fully apparent from the following description and appended claims.
Referring to fig. 1, a simulated satellite-borne atmospheric microwave remote sensing ground experimental device comprises: the device comprises an air storage tank 1, a first movable window area 2, a second movable window area 3, an air inlet control part 5, an air outlet control part 6 and a monitoring display part 4; the first movable window area 2 is arranged at one end of the gas storage tank 1, the second movable window area 3 is arranged at the other end of the gas storage tank 1, and the first movable window area 2 and the second movable window area 3 are positioned on the same straight line, wherein the first movable window area 2 and the second movable window area 3 are both provided with detachable movable window sheets which comprise wave-transmitting window sheets and non-wave-transmitting window sheets; the air outlet of the air inlet control part 5 is connected with the air inlet of the air storage tank 1 and used for introducing air required by simulated atmosphere; the air inlet of the air outlet control part 6 is connected with the air outlet of the air storage tank 1 so as to enable the interior of the air storage tank 1 to be in a vacuum state; the monitoring display part 4 is arranged on the gas storage tank 1 and is used for monitoring the gas state in the gas storage tank 1; when the movable window sheet of the first movable window area 2 and the movable window sheet of the second movable window area 3 are both wave-transparent window sheets, the radiation characteristics of microwaves affected by atmosphere are simulated; when the movable window sheet of the first movable window area 2 and the movable window sheet of the second movable window area 3 are respectively a wave-transparent window sheet and a non-wave-transparent window sheet, the simulation system is used for simulating and detecting atmospheric characteristics. The wave-transparent window sheet is made of Teflon; the non-wave-transparent window sheet is made of aluminum alloy; the material of the gas storage tank 1 is aluminum alloy.
The present embodiment will now be described in detail:
in this embodiment, the detachable movable window pieces are installed in the first movable window area 2 and the second movable window area 3, and different window pieces can be replaced according to the test requirements. During testing, a microwave receiving device is arranged at one end outside the first movable window area 2 or the second movable window area 3, a wave-transparent window sheet is arranged at one end provided with the microwave receiving device, and the atmospheric characteristic is simulated and detected when the aluminum alloy window sheet is installed according to the requirement of simulating the satellite-borne condition at the other end; when wave-transparent window pieces such as Teflon and the like are installed and a specific target is placed outside the window area, the microwave radiation characteristic of the target to be detected after being influenced by the atmosphere is simulated; the movable window area can be replaced by window sheets with different transmission performances, and part of link loss in equivalent actual atmospheric remote sensing can be simulated. Wherein, the window sheet made of Teflon material has the functions of transmitting microwave and blocking light wave; the window sheet made of the aluminum alloy material can block microwave penetration and is a non-wave-transparent window sheet. The gas storage tank 1 of the embodiment is made of an aluminum alloy material, so that the gas storage tank is good in sealing performance, high-pressure resistant and high in safety performance in a test; in addition, the aluminum alloy has the characteristics of low emissivity and low absorptivity in a microwave frequency band, and has small interference on a test result.
Referring to fig. 1, the air inlet control part 5 includes an air inlet pipeline for providing a plurality of atmospheric components, a first air valve set 51 and a flow meter 52 disposed on the air inlet pipeline, wherein the first air valve set 51 is in control connection with the flow meter 52 for controlling the plurality of atmospheric components and the air inlet content of the air storage tank 1.
In this embodiment, after the original gas in the gas container 1 is exhausted, the vacuum pump 62 and the second vent valve group 61 are turned off, and the first vent valve group 51 of the inlet control unit 5 is opened, so that the gas is introduced into the gas container 1. Because there are a plurality of air inlets, consequently can let in multiple gas simultaneously, raise the efficiency. In addition, each of the plurality of intake control units 5 includes a flow meter 52, and the flow meter 52 can monitor the amount of the introduced gas, and when the amount required by the test is reached, the first air valve group 51 can be closed manually; in addition, the control system can also be used for controlling, and when the value of the flow meter 52 reaches a preset value, the control system automatically closes the first breather valve group 51.
Referring to fig. 1, the air outlet control portion 6 includes an air outlet pipeline, a second air valve set 61, and a vacuum pump 62, wherein one end of the air outlet pipeline is connected to the air storage tank 1, the other end of the air outlet pipeline is connected to the vacuum pump 62, and the second air valve set 61 is disposed on the air outlet pipeline.
In this embodiment, before the test, the vacuum pump 62 and the second air valve group 61 need to be opened to completely evacuate the gas in the gas storage tank 1, so that the gas storage tank 1 can be in a vacuum state, and errors caused by the previous test residual gas or the ground air entering when the movable window is replaced are prevented. In addition, the gas in the gas storage tank 1 can reach the amount of gas expected by experiments by mutual adjustment of the gas outlet control part 6 and the gas inlet control part 5.
Referring to fig. 1, the monitoring display part 4 includes a sensing component and a monitoring terminal, the sensing component is disposed in the gas storage tank 1 and is used for measuring the temperature, humidity and pressure in the gas storage tank 1; the monitoring terminal is arranged on the outer surface of the gas storage tank 1 and is electrically connected with the sensing assembly and used for displaying the received parameter values of temperature, humidity and pressure.
In this embodiment, the sensing component is a plurality of sensors, and the plurality of sensors are used for measuring parameters such as temperature, humidity and pressure in the gas storage tank 1 in real time and displaying the parameters through the monitoring terminal. The content of the gas in the gas storage tank 1, the humidity of the gas and the temperature of the gas can be known according to the parameters, and can be compared with the test preset environmental conditions, so that the gas inlet control part 5 and the gas outlet control part 6 are further adjusted to enable the gas in the gas storage tank 1 to reach the preset conditions.
To sum up, the utility model discloses can be used to realize simulating out specific area's atmosphere composition under ground laboratory condition, satisfy to simulating gas detection verify and different experiments such as microwave radiometry after the influence of specific atmosphere of detection target. The gas composition and content in the gas storage tank 1 can be quantitatively regulated through the gas outlet control part 6 and the gas inlet control part 5, so that the simulated atmosphere mixed gas meeting the requirements is obtained. The device has the advantages of simple and convenient operation, strong universality, high controllability and the like.
The operation of this embodiment will now be described:
1. replacing the movable window sheet according to the purpose of the experiment;
2. after the replacement is finished, the first vent valve group 51 is in a closed state by default, the second vent valve group 61 of the air outlet control part 6 is opened, the power supply of the vacuum pump 62 is switched on, and the switch is turned on to pump the air storage tank 1 to vacuum;
3. closing the second vent valve group 61, disconnecting the power supply of the vacuum pump 62, and connecting the single type of gas to be mixed with the vent pipeline of the air inlet control part 5 according to the experimental requirement;
4. controlling actual intake air data in real time according to the flow meter 52 as required, and closing the first breather valve group 51 of the intake air control unit 5 at a proper time;
5. the detector is arranged in front of the movable window area, and can carry out targeted detection on the gas in the gas storage tank 1.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments. Even if various changes are made to the present invention, the changes are still within the scope of the present invention if they fall within the scope of the claims and their equivalents.
Claims (6)
1. The utility model provides a simulation satellite-borne atmosphere microwave remote sensing ground experimental apparatus which characterized in that includes: the air storage tank, the first movable window area, the second movable window area, the air inlet control part, the air outlet control part and the monitoring display part;
the first movable window area is arranged at one end of the gas storage tank, the second movable window area is arranged at the other end of the gas storage tank, and the first movable window area and the second movable window area are positioned on the same straight line, wherein the first movable window area and the second movable window area are both provided with detachable movable window sheets, and the movable window sheets comprise wave-transmitting window sheets and non-wave-transmitting window sheets; the air outlet of the air inlet control part is connected with the air inlet of the air storage tank and used for introducing air required by simulated atmosphere; the air inlet of the air outlet control part is connected with the air outlet of the air storage tank so as to enable the air storage tank to be in a vacuum state; the monitoring display part is arranged on the gas storage tank and used for monitoring the gas state in the gas storage tank;
when the movable window sheet of the first movable window area and the movable window sheet of the second movable window area are both wave-transparent window sheets, the radiation characteristics of the detected microwave after being influenced by atmosphere are simulated;
and when the movable window sheet of the first movable window area and the movable window sheet of the second movable window area are respectively a wave-transparent window sheet and a non-wave-transparent window sheet, the simulation system is used for simulating and detecting atmospheric characteristics.
2. The simulated spaceborne atmospheric microwave remote sensing ground experiment device as claimed in claim 1, wherein the air inlet control part comprises an air inlet pipeline for providing a plurality of atmospheric components, a first air valve group and a flow meter, the first air valve group is arranged on the air inlet pipeline and is in control connection with the flow meter so as to control the air inlet content of the plurality of atmospheric components of the air storage tank.
3. The simulated spaceborne atmosphere microwave remote sensing ground experimental device as claimed in claim 1, wherein the air outlet control part comprises an air outlet pipeline, a second air vent valve set and a vacuum pump, one end of the air outlet pipeline is connected with the air storage tank, the other end of the air outlet pipeline is connected with the vacuum pump, and the second air vent valve set is arranged on the air outlet pipeline.
4. The simulated spaceborne atmospheric microwave remote sensing ground experiment device according to any one of claims 1 to 3, wherein the monitoring display part comprises a sensing component and a monitoring terminal, and the sensing component is arranged in the gas storage tank and used for measuring temperature, humidity and pressure in the gas storage tank; the monitoring terminal is arranged on the outer surface of the gas storage tank and electrically connected with the sensing assembly and used for displaying received parameter values of temperature, humidity and pressure.
5. The simulated spaceborne atmospheric microwave remote sensing ground experimental device according to any one of claims 1-3, wherein the material of the gas storage tank is aluminum alloy.
6. The simulated spaceborne atmospheric microwave remote sensing ground experimental device according to any one of claims 1-3, wherein the wave-transparent window sheet is made of Teflon; the non-wave-transparent window sheet is made of aluminum alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922184544.9U CN211122597U (en) | 2019-12-09 | 2019-12-09 | Ground experimental device for simulating satellite-borne atmospheric microwave remote sensing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922184544.9U CN211122597U (en) | 2019-12-09 | 2019-12-09 | Ground experimental device for simulating satellite-borne atmospheric microwave remote sensing |
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| Publication Number | Publication Date |
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| CN211122597U true CN211122597U (en) | 2020-07-28 |
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| CN201922184544.9U Active CN211122597U (en) | 2019-12-09 | 2019-12-09 | Ground experimental device for simulating satellite-borne atmospheric microwave remote sensing |
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