CN-122009540-A - Special environment simulation device and method

CN122009540ACN 122009540 ACN122009540 ACN 122009540ACN-122009540-A

Abstract

The invention relates to the technical field of aerospace, aviation, materials and buildings, and discloses a special environment simulation device and a special environment simulation method, wherein the device comprises a vacuum container, a vacuum simulation system, a temperature simulation system, a low gravity simulation system and a control system, wherein the vacuum simulation system is used for adjusting the vacuum degree in the vacuum container; the temperature simulation system is used for adjusting the temperature inside the vacuum container through the heating temperature control system and the refrigerating system, and the low gravity simulation system is used for adjusting the low gravity parameter value inside the vacuum container. The invention realizes the creation of the environment conditions of simulated lunar surface super vacuum, low gravity and large temperature difference on the ground. By integrating the technologies of low gravity simulation, temperature simulation, low vacuum simulation and the like, the coupling environment simulation of multifactor on the lunar surface is realized, important technical support is provided for lunar exploration and deep space exploration, and performance test of lunar exploration equipment and engineering materials and related scientific experiments can be effectively carried out.

Inventors

JI XIAO
MA ZHONGCHENG
WU HAO
LIU YAOJUN
GAO CHUNYONG
LIU YUN
GUO JUNHUA

Assignees

中国建筑材料科学研究总院有限公司
中国建材集团有限公司

Dates

Publication Date: 20260512
Application Date: 20241111

Claims (10)

1. The special environment simulation device is characterized by comprising a vacuum container, a vacuum simulation system, a temperature simulation system, a low gravity simulation system and a control system: the vacuum container comprises a vacuum chamber and an internal bracket, wherein the vacuum chamber is used for containing a test sample to be simulated, and the internal bracket is used for fixing and supporting the low gravity simulation system; the vacuum simulation system is connected with the vacuum chamber and is used for adjusting the vacuum degree in the vacuum container and collecting the vacuum degree in the vacuum container in real time; the temperature simulation system is arranged in the vacuum container and comprises a heating temperature control system and a refrigerating system, and is used for adjusting the temperature in the vacuum container through the heating temperature control system and the refrigerating system and collecting the vacuum degree in the vacuum container in real time; the low gravity simulation system is arranged in the vacuum container, and is used for adjusting the low gravity parameter value in the vacuum container and collecting the low gravity parameter value in the vacuum container in real time; The control system is used for acquiring the vacuum degree, the temperature and the low gravity parameter in the vacuum container, regulating and controlling the vacuum degree in the vacuum container based on a vacuum degree set value required by an experiment until the vacuum degree in the vacuum container reaches the vacuum degree set value, regulating and controlling the temperature in the vacuum container based on a temperature set value required by the experiment until the temperature in the vacuum container reaches the temperature set value, and regulating and controlling the low gravity parameter in the vacuum container based on a low gravity parameter set value required by the experiment after the vacuum degree in the vacuum container reaches the vacuum degree set value and the temperature in the vacuum container reaches the temperature set value until the low gravity parameter in the vacuum container reaches the low gravity parameter set value.
2. The apparatus of claim 1, wherein the vacuum simulation system comprises a vacuum pump, a vacuum valve, and a vacuum measurement device: The vacuum pump is connected with the vacuum chamber through the vacuum valve and is used for pumping air in the vacuum chamber until the vacuum degree in the vacuum chamber reaches the vacuum degree set value; the vacuum measuring device is used for collecting the vacuum degree in the vacuum container in real time and sending the vacuum degree in the vacuum container to the control system.
3. The apparatus of claim 1, wherein the heating and temperature control system comprises a heater, a temperature controller, and a heat distributor: The heater is arranged on the inner wall of the vacuum chamber and is used for heating air in the vacuum chamber or the experimental sample to be simulated in the experimental process of the experimental sample to be simulated; the temperature controller is used for adjusting the power of the heater according to a preset temperature curve; The heat distributor is used for uniformly distributing the temperature inside the vacuum chamber.
4. The apparatus of claim 3, wherein the heater comprises a heating cage disposed inside the vacuum chamber for adjusting a heating voltage, and the air inside the vacuum chamber or the experimental sample to be simulated is heated by radiation.
5. The apparatus of claim 4, wherein the refrigeration system comprises a refrigeration unit, a refrigerant conduit, and a temperature sensor: The refrigerating unit is connected with the vacuum chamber through the refrigerant pipeline, and the temperature inside the vacuum chamber is reduced by evaporating and absorbing indoor heat of the refrigerant; The temperature sensor is used for monitoring the temperature inside the vacuum chamber in real time and transmitting the temperature to the control system.
6. The apparatus of claim 1, wherein the low gravity simulation system comprises a rotating platform disposed on the internal support for gravity compensation of the test sample to be simulated by adjusting the rotational speed and radius of the rotating platform.
7. The apparatus of claim 1, wherein the control system employs a feedback control strategy to generate a first control amount of vacuum in the vacuum vessel, the first control amount is utilized to regulate the vacuum in the vacuum vessel, a feedback control strategy is employed to generate a second control amount of temperature in the vacuum vessel, the second control amount is utilized to regulate the temperature in the vacuum vessel, a feedback control strategy is employed to generate a third control amount of low gravity parameter in the vacuum vessel, and the third control amount is utilized to regulate the low gravity parameter in the vacuum vessel.
8. The apparatus of claim 1, further comprising a safety system comprising an over-temperature protection device and a three-phase power failure alarm: The over-temperature protection equipment is used for controlling the special environment simulation device to automatically stop and alarm when the temperature inside the vacuum container exceeds the preset upper temperature limit; The three-phase power-off alarm is used for monitoring the change of three-phase current and voltage of the circuit of the special environment simulation device in real time, judging whether the circuit of the special environment simulation device works normally or not based on the change of the three-phase current and voltage, and controlling the special environment simulation device to automatically stop and alarm when the current or the voltage of a certain phase is abnormal.
9. A special environment simulation method, characterized in that it is applied to the special environment simulation device according to any one of claims 1 to 8, the device comprising a vacuum vessel, a vacuum simulation system, a temperature simulation system, a low gravity simulation system, and a control system, the method comprising: Placing a sample to be simulated on the low gravity simulation system, and placing the low gravity simulation system in the vacuum container; closing a cabin door of the vacuum container, and obtaining the vacuum degree, the temperature and the low gravity parameters in the vacuum container; The control system is utilized to regulate and control the vacuum degree in the vacuum container based on a vacuum degree set value required by an experiment until the vacuum degree in the vacuum container reaches the vacuum degree set value; Regulating and controlling the temperature inside the vacuum container based on a temperature set value required by an experiment until the temperature inside the vacuum container reaches the temperature set value; and after the vacuum degree in the vacuum container reaches a vacuum degree set value and the temperature in the vacuum container reaches a temperature set value, regulating and controlling the low gravity parameter in the vacuum container based on the low gravity parameter set value required by the experiment until the low gravity parameter in the vacuum container reaches the low gravity parameter set value.
10. The method of claim 9, wherein the controlling the vacuum level in the vacuum vessel based on the experimentally required vacuum level set point comprises: generating a first control quantity of the vacuum degree in the vacuum container by adopting a feedback control strategy, and regulating and controlling the vacuum degree in the vacuum container by utilizing the first control quantity; The temperature in the vacuum container is regulated and controlled based on the temperature set value required by the experiment, and the method comprises the following steps: Generating a second control quantity of the temperature inside the vacuum container by adopting a feedback control strategy, and regulating and controlling the temperature inside the vacuum container by utilizing the second control quantity; The low gravity parameter setting value based on the experiment needs regulates and controls the low gravity parameter in the vacuum container, and the low gravity parameter setting value comprises: And generating a third control quantity of the low gravity parameter in the vacuum container by adopting a feedback control strategy, and regulating and controlling the low gravity parameter in the vacuum container by utilizing the third control quantity.

Description

Special environment simulation device and method Technical Field The invention relates to the technical fields of aerospace, aviation, materials and construction, in particular to a special environment simulation device and a special environment simulation method. Background With the continuous development of aerospace industry, lunar exploration and deep space exploration have become important directions for the development of aerospace industry. In order to ensure the reliability of the on-orbit operation of the lunar probe and the operation of the lunar surface and to test the performance of engineering materials which may be applied to the future lunar surface, it is necessary to develop an environment simulation device for simulating the real environment of the lunar surface. In the related technology, the existing simulation device has the problems of limited simulation factors, incapability of comprehensively reflecting the characteristics of the lunar surface environment, lower simulation precision, difficulty in meeting actual requirements, complex equipment, inconvenient operation, difficulty in universal popularization and the like, and is difficult to realize the simulation of the lunar surface real environment. Disclosure of Invention In view of the above, the invention provides a special environment simulation device and method to solve the problem that the simulation of the real environment of the lunar surface is difficult to realize. In a first aspect, the invention provides a special environment simulation device, which comprises a vacuum container, a vacuum simulation system, a temperature simulation system, a low gravity simulation system and a control system: the vacuum container comprises a vacuum chamber and an internal bracket, wherein the vacuum chamber is used for accommodating a sample to be simulated, and the internal bracket is used for fixing and supporting a low-gravity simulation system; The vacuum simulation system is connected with the vacuum chamber and is used for adjusting the vacuum degree in the vacuum container and collecting the vacuum degree in the vacuum container in real time; The temperature simulation system is arranged in the vacuum container and comprises a heating temperature control system and a refrigerating system, and is used for adjusting the temperature in the vacuum container through the heating temperature control system and the refrigerating system and collecting the vacuum degree in the vacuum container in real time; The low gravity simulation system is arranged in the vacuum container, and is used for adjusting the low gravity parameter value in the vacuum container and collecting the low gravity parameter value in the vacuum container in real time; The control system is used for acquiring vacuum degree, temperature and low gravity parameters in the vacuum container, regulating and controlling the vacuum degree in the vacuum container based on a vacuum degree set value required by an experiment until the vacuum degree in the vacuum container reaches the vacuum degree set value, regulating and controlling the temperature in the vacuum container based on a temperature set value required by the experiment until the temperature in the vacuum container reaches the temperature set value, and regulating and controlling the low gravity parameters in the vacuum container based on a low gravity parameter set value required by the experiment after the vacuum degree in the vacuum container reaches the vacuum degree set value and the temperature in the vacuum container reaches the temperature set value until the low gravity parameters in the vacuum container reach the low gravity parameter set value. According to the invention, the experimental sample is contained in the vacuum container, the vacuum simulation system is used for adjusting the vacuum degree in the vacuum container, the temperature simulation system is used for heating or refrigerating, the low gravity simulation system is used for performing low gravity environment simulation, the control system is used for controlling the vacuum simulation system, the temperature simulation system and the low gravity simulation system to adjust according to the set values required by experiments until the vacuum container reaches the set values, so that the environment conditions simulating lunar surface ultra-vacuum, low gravity and large temperature difference are created on the ground, and lunar related scientific researches such as performance tests of lunar surface detectors and lunar surface engineering materials are facilitated. By integrating the technologies of low gravity simulation, temperature simulation, low vacuum simulation and the like, the coupling environment simulation of lunar multifactor is realized, important technical support is provided for lunar exploration and deep space exploration, performance test of lunar exploration equipment and engineering materials and related scientific experi