Environment direct disturbance suppression system for supporting shock insulation stability performance
By designing a greenhouse and combining various modules on the seismic isolation platform, and using coarse and fine control methods to regulate the temperature, a specific airflow organization and temperature maintenance are formed, which solves the problem of the seismic isolation platform being susceptible to direct disturbance and improves the stability of the seismic isolation platform.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- BEIJING INST OF AEROSPACE CONTROL DEVICES
- Filing Date
- 2025-12-29
- Publication Date
- 2026-04-21
AI Technical Summary
Existing seismic isolation stabilization platforms are susceptible to direct disturbances, such as temperature fluctuations and airflow disturbances, which can lead to a decrease in the stability performance of the isolation platform.
An environmental direct disturbance suppression system supporting seismic isolation stability was designed, including a greenhouse, a control module, an upper high-temperature cold source module, a lower high-temperature cold source module, an air conditioning equipment module, and an environmental monitoring module. The temperature inside the greenhouse is regulated by coarse and fine control methods to form an airflow organization pattern of upward air supply and downward air return, and the temperature is maintained by water-cooled pipes and radiant panels.
It effectively suppressed temperature fluctuations and airflow disturbances in the environment where the seismic isolation platform is located, improved the stability of the seismic isolation platform, and reduced the impact of direct disturbances on the seismic isolation platform.
Smart Images

Figure CN121900542A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to a system for suppressing direct environmental disturbances that supports seismic isolation stability, belonging to the field of vibration and seismic isolation engineering. Background Technology
[0002] Inertial instruments are used for the stabilization, navigation, guidance, and control of moving vehicles. Their stability accuracy is the foundation for the vehicle's control accuracy. To screen and verify the stability accuracy of inertial instruments, it is necessary to isolate the influence of external disturbances and noise through a vibration-isolated stabilization platform, thereby enabling the inertial instruments to provide a measurement reference standard with constant relative local gravity vector and ground velocity vector.
[0003] However, existing seismic isolation stabilization platforms are susceptible to direct disturbances. Direct disturbances are those caused by temperature, humidity, airflow, air pressure, and sound waves acting directly on the working surface of the isolation platform. These disturbances not only directly affect the performance of the specimens but also influence the microscopic vibrations of the reaction mass of the isolation platform through complex physical effects, thereby compromising its stability. For example, fluctuations in indoor ambient temperature will cause microscopic deformation and vibration of the working surface of the isolation platform through the thermal expansion effect of the concrete reaction mass. Therefore, an ideal isolation environment should minimize temperature fluctuations. Furthermore, since the reaction mass of the isolation platform operates in a state of free-floating gas, indoor airflow disturbances will introduce a pendulum-like lateral thrust effect, leading to angular vibration of the isolation platform. Therefore, a direct disturbance suppression system is urgently needed to mitigate the impact of direct disturbances on the isolation platform. Summary of the Invention
[0004] The technical problem solved by this invention is to overcome the shortcomings of existing technologies and provide a system for suppressing direct environmental disturbances that supports the stability of seismic isolation platforms. This system uses coarse control to regulate rapid changes in ambient temperature during platform startup, and then uses fine control to maintain the ambient temperature once a preset temperature is reached. This effectively suppresses temperature fluctuations and airflow disturbances in the environment surrounding the seismic isolation platform, thus solving the problem of existing seismic isolation platforms being susceptible to direct external disturbances. The technical solution of this invention is: An environmental direct disturbance suppression system that supports seismic isolation stability includes: a greenhouse, a control module, an upper high-temperature cold source module, a lower high-temperature cold source module, an air conditioning equipment module, and an environmental monitoring module; The greenhouse consists of two layers: an upper greenhouse chamber and a lower greenhouse chamber. The upper greenhouse chamber covers the isolation platform's isolation surface, while the lower greenhouse chamber covers the underground portion of the isolation platform. The air conditioning module uses a coarse control method to regulate the temperature inside the upper greenhouse chamber, while the upper high-temperature cold source module and the lower high-temperature cold source module both use fine control methods. Under the control of the control module, the environmental monitoring module collects real-time data on the temperature, humidity, and air pressure inside both the upper and lower greenhouse chambers and transmits the collected data to the control center for display, facilitating experimental personnel. The system monitors the temperature of the upper and lower greenhouse chambers in real time. The environmental monitoring module transmits the collected temperatures to the control module. The control module compares the temperature of the upper greenhouse chamber with a preset upper greenhouse chamber temperature threshold. Based on the comparison result, it controls the air conditioning equipment module and the upper high-temperature cold source module to regulate the internal temperature of the upper greenhouse chamber in a time-sharing manner. At the same time, the control module compares the temperature of the lower greenhouse chamber with a preset lower greenhouse chamber temperature threshold. Based on the comparison result, it controls the lower high-temperature cold source module to regulate the internal temperature of the lower greenhouse chamber. This ensures that the temperature field distribution inside the upper and lower greenhouse chambers is uniform, thereby suppressing the impact of temperature fluctuations and airflow disturbances on the vibration isolation platform.
[0005] Furthermore, the control module's time-sharing control of the high-temperature cold source module and the air conditioning equipment module for temperature regulation inside the upper chamber is as follows: When the difference between the temperature inside the upper chamber and the preset upper chamber temperature threshold exceeds a preset range, the control module controls the air conditioning equipment module to start; after the air conditioning equipment module starts, it uses a coarse control method to regulate the temperature inside the upper chamber, so that the temperature inside the upper chamber quickly reaches the preset temperature threshold; after the temperature inside the upper chamber reaches the preset upper chamber temperature threshold, the control module stops the air conditioning equipment module from working and starts the high-temperature cold source module; after the high-temperature cold source module starts, it uses a fine control method to maintain the temperature inside the upper chamber, keeping the temperature inside the upper chamber uniform and preventing airflow inside the upper chamber. When the temperature inside the upper chamber is within a preset range and the difference between the temperature inside the upper chamber and the preset upper chamber temperature threshold is within a preset range, the control module controls the upper high-temperature cold source module to start. After the upper high-temperature cold source module starts, it uses a precise control method to slowly bring the temperature inside the upper chamber to the preset upper chamber temperature threshold. After the temperature inside the upper chamber reaches the preset upper chamber temperature threshold, the upper high-temperature cold source module maintains the temperature inside the upper chamber. The control module controls the high-temperature cold source module to regulate the temperature inside the lower greenhouse chamber. Specifically, the control module controls the high-temperature cold source module to start. After the high-temperature cold source module starts, it uses a precise control method to slowly bring the temperature inside the lower greenhouse chamber to the preset temperature threshold. After the temperature inside the lower greenhouse chamber reaches the preset temperature threshold, the high-temperature cold source module maintains the temperature inside the lower greenhouse chamber.
[0006] Furthermore, the air conditioning equipment module includes an air conditioner; the air conditioner is fixed inside the equipment room; the equipment room is located outside the greenhouse, the equipment room is equipped with an air outlet, and the upper greenhouse compartment of the greenhouse is equipped with an air inlet; one end of the pipe is connected to the air outlet of the equipment room, and the other end is connected to the air inlet of the upper greenhouse compartment of the greenhouse, thereby realizing the connection between the upper greenhouse compartment and the equipment room; the air inlet is located at the top of the upper greenhouse compartment of the greenhouse.
[0007] Furthermore, the air conditioning equipment module adopts a coarse control method to regulate the temperature inside the upper greenhouse compartment of the greenhouse. Specifically, when the temperature inside the upper greenhouse compartment is lower than the preset upper greenhouse compartment temperature threshold, the control module controls the air conditioner to blow out hot air; when the temperature inside the upper greenhouse compartment is higher than the preset upper greenhouse compartment temperature threshold, the control module controls the air conditioner to blow out cold air. The air blown out by the air conditioner enters the duct through the air outlet of the equipment room, and then flows into the upper greenhouse compartment through the air inlet of the upper greenhouse compartment, thereby causing the temperature inside the upper greenhouse compartment to quickly reach the preset upper greenhouse compartment temperature threshold.
[0008] Furthermore, the upper greenhouse chamber is equipped with a perforated plate, which is parallel to the vibration isolation platform of the vibration isolation platform inside the upper greenhouse chamber; a plurality of guide holes are evenly opened on the perforated plate; the two opposite side walls of the upper greenhouse chamber are provided with louvered air outlets near the bottom of the greenhouse; the air blown in by the air inlet of the upper greenhouse chamber flows vertically downward through the guide holes to the bottom of the upper greenhouse chamber, and then flows to the outside of the greenhouse through the louvered air outlets, thereby forming an airflow organization pattern of upward air supply and downward air return inside the upper greenhouse chamber.
[0009] Furthermore, the upper high-temperature cold source module and the lower high-temperature cold source module contain the same components, including a radiant plate, water-cooled pipes, and a water chiller. The water-cooling pipes of the upper high-temperature cold source module are evenly distributed along the inner wall of the upper greenhouse chamber, and multiple radiant panels are evenly attached to the wall formed by the water-cooling pipes, covering all the inner walls of the upper greenhouse chamber. The water-cooling pipes of the lower high-temperature cold source module are evenly distributed along the inner wall of the lower greenhouse chamber, and multiple radiant panels are evenly attached to the wall formed by the water-cooling pipes, covering all the inner walls of the lower greenhouse chamber. The water chillers of the upper and lower high-temperature cold source modules are located in the equipment room outside the greenhouse, providing water sources for the water-cooling pipes of the upper and lower high-temperature cold source modules, respectively.
[0010] Furthermore, the high-temperature cold source module uses a precise control method to regulate the temperature inside the upper greenhouse chamber. Specifically, when the temperature inside the upper greenhouse chamber is lower than the preset upper greenhouse chamber temperature threshold, the control module controls the water chiller to increase the output water temperature, thereby raising the temperature of the inner wall of the upper greenhouse chamber through the water cooling pipes. This creates a temperature difference between the inner wall of the upper greenhouse chamber and the air temperature inside the greenhouse, allowing the greenhouse to slowly heat up through the radiant panels via heat conduction. When the temperature inside the upper greenhouse chamber is higher than the preset upper greenhouse chamber temperature threshold, the control module controls the water chiller to decrease the output water temperature, thereby lowering the temperature of the inner wall of the upper greenhouse chamber through the water cooling pipes. This creates a temperature difference between the inner wall of the upper greenhouse chamber and the air temperature inside the greenhouse, allowing the greenhouse to slowly cool down through the radiant panels via heat conduction. The high-temperature cold source module uses a precise control method to regulate the temperature inside the lower greenhouse chamber. Specifically, when the temperature inside the lower greenhouse chamber is lower than the preset temperature threshold, the control module controls the water chiller to increase the output water temperature, thereby raising the temperature of the inner wall of the lower greenhouse chamber through the water cooling pipes. This creates a temperature difference between the inner wall of the lower greenhouse chamber and the air temperature inside the greenhouse, allowing the greenhouse to slowly heat up through the radiant panels via heat conduction. Conversely, when the temperature inside the lower greenhouse chamber is higher than the preset temperature threshold, the control module controls the water chiller to decrease the output water temperature, thereby lowering the temperature of the inner wall of the lower greenhouse chamber through the water cooling pipes. This creates a temperature difference between the inner wall of the lower greenhouse chamber and the air temperature inside the greenhouse, allowing the greenhouse to slowly cool down through the radiant panels via heat conduction.
[0011] Furthermore, the environmental monitoring module includes an environmental parameter sensor and a transmission device; the environmental parameter sensor is used to measure the temperature, humidity and air pressure inside the greenhouse; the environmental parameter sensor transmits the collected temperature, humidity and air pressure to the transmission device; the transmission device sends the temperature, humidity and air pressure to the main control room, and at the same time transmits the temperature data to the control module.
[0012] Furthermore, the environmental monitoring module includes a total of 11 environmental parameter sensors, which are respectively located at the center point of the top surface inside the upper greenhouse chamber, the center point of the vibration isolation platform of the upper greenhouse chamber, the center point of one side wall of the upper greenhouse chamber, the outlet of the water chiller of the upper high-temperature cold source module, the return water outlet of the water chiller of the upper high-temperature cold source module, the center position of the top of each inner side wall of the lower greenhouse chamber, the outlet of the water chiller of the lower high-temperature cold source module, and the return water outlet of the water chiller of the lower high-temperature cold source module. The temperature, humidity, and air pressure collected by the 11 environmental parameter sensors are transmitted to the main control unit through transmission equipment. The control room is for researchers to observe. Simultaneously, the transmission equipment transmits the temperature values collected by environmental parameter sensors located at the center point of the top surface inside the upper greenhouse and the center point of the top of one inner wall of the lower greenhouse to the control module. The control module uses the temperature collected by the environmental parameter sensor located at the center point of the top surface inside the upper greenhouse as the internal temperature of the upper greenhouse, and the temperature collected by the environmental parameter sensor located at the center point of the top of one inner wall of the lower greenhouse as the internal temperature of the lower greenhouse, thereby regulating the upper high-temperature cold source module, the lower high-temperature cold source module, and the air conditioning equipment module.
[0013] Secondly, the present invention also proposes a method for suppressing direct environmental disturbances that support seismic isolation stability. This suppression method is based on the aforementioned system for suppressing direct environmental disturbances that supports seismic isolation stability. The specific process is as follows: The first step is to build a greenhouse around the seismic isolation platform. The greenhouse is divided into two layers: an upper greenhouse chamber and a lower greenhouse chamber. The upper greenhouse chamber covers the seismic isolation platform, and the lower greenhouse chamber covers the underground part of the seismic isolation platform. The second step involves activating the seismic isolation platform and commencing related experiments. Under the control of the control module, the environmental monitoring module collects real-time data on temperature, humidity, and air pressure inside the upper and lower greenhouse chambers, transmitting the data to the control center for display and real-time monitoring by experimental personnel. The environmental monitoring module also transmits the collected temperatures from the upper and lower greenhouse chambers to the control module. The control module compares the temperature of the upper greenhouse chamber with a preset upper greenhouse chamber temperature threshold and, based on the comparison result, controls the air conditioning equipment module and the upper high-temperature cold source module to regulate the temperature inside the upper greenhouse chamber in a time-sharing manner. Simultaneously, the control module compares the temperature of the lower greenhouse chamber with a preset lower greenhouse chamber temperature threshold and, based on the comparison result, controls the lower high-temperature cold source module to regulate the temperature inside the lower greenhouse chamber. This ensures a uniform temperature distribution within the upper and lower greenhouse chambers, thereby suppressing the impact of temperature fluctuations and airflow disturbances on the seismic isolation platform.
[0014] The beneficial effects of this invention compared to the prior art are: (1) The present invention directly suppresses the disturbance of the entire seismic isolation platform by setting up an upper greenhouse chamber and a lower greenhouse chamber. The upper greenhouse chamber regulates the temperature change in time by using coarse control and fine control methods, and the lower greenhouse chamber regulates the temperature change by using fine control methods. This effectively suppresses the temperature fluctuation and airflow disturbance of the environment in which the seismic isolation platform is located, thereby reducing the impact of direct disturbance on the seismic isolation platform from the root.
[0015] (2) The present invention enables the air conditioning equipment module to form an airflow organization pattern of upward air supply and downward air return when regulating the temperature inside the greenhouse through the perforated plate and louvered air outlet, thereby ensuring a uniform temperature field inside the greenhouse and having a faster temperature regulation speed.
[0016] (3) The present invention maintains the temperature through water-cooled pipes and radiant plates. The temperature maintenance is mainly achieved through heat exchange, which further reduces the temperature fluctuation of the environment where the vibration isolation platform is located. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of an environmental direct disturbance suppression system that supports seismic isolation stability according to the present invention; Figure 2 This is a schematic diagram of the actual architecture of an environmental direct disturbance suppression system that supports seismic isolation stability according to the present invention. Detailed Implementation
[0018] The specific embodiments of the present invention will now be described in further detail with reference to the accompanying drawings.
[0019] like Figure 1 As shown, an environmental direct disturbance suppression system that supports seismic isolation stability includes: a greenhouse, a control module, an upper high-temperature cold source module, a lower high-temperature cold source module, an air conditioning equipment module, and an environmental monitoring module; The greenhouse consists of two layers: an upper greenhouse chamber and a lower greenhouse chamber. The upper greenhouse chamber covers the isolation platform's isolation surface, while the lower greenhouse chamber covers the underground portion of the isolation platform. The air conditioning module uses a coarse control method to regulate the temperature inside the upper greenhouse chamber, while the upper high-temperature cold source module and the lower high-temperature cold source module both use fine control methods. Under the control of the control module, the environmental monitoring module collects real-time data on the temperature, humidity, and air pressure inside both the upper and lower greenhouse chambers and transmits the collected data to the control center for display, facilitating experimental personnel. The system monitors the temperature of the upper and lower greenhouse chambers in real time. The environmental monitoring module transmits the collected temperatures to the control module. The control module compares the temperature of the upper greenhouse chamber with a preset upper greenhouse chamber temperature threshold. Based on the comparison result, it controls the air conditioning equipment module and the upper high-temperature cold source module to regulate the internal temperature of the upper greenhouse chamber in a time-sharing manner. At the same time, the control module compares the temperature of the lower greenhouse chamber with a preset lower greenhouse chamber temperature threshold. Based on the comparison result, it controls the lower high-temperature cold source module to regulate the internal temperature of the lower greenhouse chamber. This ensures that the temperature field distribution inside the upper and lower greenhouse chambers is uniform, thereby suppressing the impact of temperature fluctuations and airflow disturbances on the vibration isolation platform.
[0020] Furthermore, the greenhouse is built around the isolation platform, and the walls and roof are all made of high-quality handmade rock wool sandwich insulation steel plates to form an insulated wall; the walls of the underground part and the outer surface of the reaction mass block are all covered with a layer of closed-cell rubber and plastic insulation board to increase the thermal resistance of the reaction mass block and reduce temperature fluctuations.
[0021] Furthermore, the control module's time-sharing control of the high-temperature cold source module and the air conditioning equipment module for temperature regulation inside the upper chamber is as follows: When the difference between the temperature inside the upper chamber and the preset upper chamber temperature threshold exceeds a preset range, the control module controls the air conditioning equipment module to start; after the air conditioning equipment module starts, it uses a coarse control method to regulate the temperature inside the upper chamber, so that the temperature inside the upper chamber quickly reaches the preset temperature threshold; after the temperature inside the upper chamber reaches the preset upper chamber temperature threshold, the control module stops the air conditioning equipment module from working and starts the high-temperature cold source module; after the high-temperature cold source module starts, it uses a fine control method to maintain the temperature inside the upper chamber, keeping the temperature inside the upper chamber uniform and preventing airflow inside the upper chamber. When the temperature inside the upper chamber is within a preset range and the difference between the temperature inside the upper chamber and the preset upper chamber temperature threshold is within a preset range, the control module controls the upper high-temperature cold source module to start. After the upper high-temperature cold source module starts, it uses a precise control method to slowly bring the temperature inside the upper chamber to the preset upper chamber temperature threshold. After the temperature inside the upper chamber reaches the preset upper chamber temperature threshold, the upper high-temperature cold source module maintains the temperature inside the upper chamber. The control module controls the high-temperature cold source module to regulate the temperature inside the lower greenhouse chamber. Specifically, the control module controls the high-temperature cold source module to start. After the high-temperature cold source module starts, it uses a precise control method to slowly bring the temperature inside the lower greenhouse chamber to the preset temperature threshold. After the temperature inside the lower greenhouse chamber reaches the preset temperature threshold, the high-temperature cold source module maintains the temperature inside the lower greenhouse chamber.
[0022] Furthermore, the air conditioning equipment module includes an air conditioner; the air conditioner is fixed inside the equipment room; the equipment room is located outside the greenhouse, the equipment room is equipped with an air outlet, and the upper greenhouse compartment of the greenhouse is equipped with an air inlet; one end of the pipe is connected to the air outlet of the equipment room, and the other end is connected to the air inlet of the upper greenhouse compartment of the greenhouse, thereby realizing the connection between the upper greenhouse compartment and the equipment room; the air inlet is located at the top of the upper greenhouse compartment of the greenhouse.
[0023] Furthermore, the air conditioning equipment module adopts a coarse control method to regulate the temperature inside the upper greenhouse compartment of the greenhouse. Specifically, when the temperature inside the upper greenhouse compartment is lower than the preset upper greenhouse compartment temperature threshold, the control module controls the air conditioner to blow out hot air; when the temperature inside the upper greenhouse compartment is higher than the preset upper greenhouse compartment temperature threshold, the control module controls the air conditioner to blow out cold air. The air blown out by the air conditioner enters the duct through the air outlet of the equipment room, and then flows into the upper greenhouse compartment through the air inlet of the upper greenhouse compartment, thereby causing the temperature inside the upper greenhouse compartment to quickly reach the preset upper greenhouse compartment temperature threshold.
[0024] Furthermore, the upper greenhouse chamber is equipped with a perforated plate, which is parallel to the vibration isolation platform of the vibration isolation platform inside the upper greenhouse chamber; a plurality of guide holes are evenly opened on the perforated plate; two opposite side walls of the upper greenhouse chamber are provided with louvered air outlets near the bottom of the greenhouse; the air blown in by the air inlet of the upper greenhouse chamber flows vertically downward through the guide holes to the bottom of the upper greenhouse chamber, and then flows to the outside of the greenhouse through the louvered air outlets, thereby forming an airflow organization pattern of upward air supply and downward air return inside the upper greenhouse chamber; the present invention, through the perforated plate and louvered air outlets, enables the air conditioning equipment module to form an airflow organization pattern of upward air supply and downward air return when regulating the temperature inside the greenhouse, thereby ensuring a uniform temperature field inside the greenhouse and having a faster temperature regulation speed.
[0025] Furthermore, the upper high-temperature cold source module and the lower high-temperature cold source module contain the same components, including a radiant plate, water-cooled pipes, and a water chiller. The water-cooling pipes of the upper high-temperature cold source module are evenly distributed along the inner wall of the upper greenhouse chamber, and multiple radiant panels are evenly attached to the wall formed by the water-cooling pipes, covering all the inner walls of the upper greenhouse chamber. The water-cooling pipes of the lower high-temperature cold source module are evenly distributed along the inner wall of the lower greenhouse chamber, and multiple radiant panels are evenly attached to the wall formed by the water-cooling pipes, covering all the inner walls of the lower greenhouse chamber. The water chillers of the upper and lower high-temperature cold source modules are located in the equipment room outside the greenhouse, providing water sources for the water-cooling pipes of the upper and lower high-temperature cold source modules, respectively.
[0026] Furthermore, the high-temperature cold source module uses a precise control method to regulate the temperature inside the upper greenhouse chamber. Specifically, when the temperature inside the upper greenhouse chamber is lower than the preset upper greenhouse chamber temperature threshold, the control module controls the water chiller to increase the output water temperature, thereby raising the temperature of the inner wall of the upper greenhouse chamber through the water cooling pipes. This creates a temperature difference between the inner wall of the upper greenhouse chamber and the air temperature inside the greenhouse, allowing the greenhouse to slowly heat up through the radiant panels via heat conduction. When the temperature inside the upper greenhouse chamber is higher than the preset upper greenhouse chamber temperature threshold, the control module controls the water chiller to decrease the output water temperature, thereby lowering the temperature of the inner wall of the upper greenhouse chamber through the water cooling pipes. This creates a temperature difference between the inner wall of the upper greenhouse chamber and the air temperature inside the greenhouse, allowing the greenhouse to slowly cool down through the radiant panels via heat conduction. The high-temperature cold source module employs a precise control method to regulate the temperature inside the lower greenhouse chamber. Specifically, when the temperature inside the lower greenhouse chamber is lower than the preset temperature threshold, the control module controls the water chiller to increase the output water temperature, thereby raising the temperature of the inner wall of the lower greenhouse chamber through the water-cooled pipes. This creates a temperature difference between the inner wall of the lower greenhouse chamber and the air temperature inside the greenhouse, allowing the greenhouse to slowly heat up through the radiant panels via heat conduction. Conversely, when the temperature inside the lower greenhouse chamber is higher than the preset temperature threshold, the control module controls the water chiller to decrease the output water temperature, thereby lowering the temperature of the inner wall of the lower greenhouse chamber through the water-cooled pipes. This creates a temperature difference between the inner wall of the lower greenhouse chamber and the air temperature inside the greenhouse, allowing the greenhouse to slowly cool down through the radiant panels via heat conduction. This invention maintains the temperature primarily through heat exchange via water-cooled pipes and radiant panels, further reducing ambient temperature fluctuations in the vibration isolation platform's environment.
[0027] Furthermore, the environmental monitoring module includes an environmental parameter sensor and a transmission device; the environmental parameter sensor is used to measure the temperature, humidity and air pressure inside the greenhouse; the environmental parameter sensor transmits the collected temperature, humidity and air pressure to the transmission device; the transmission device sends the temperature, humidity and air pressure to the main control room, and at the same time transmits the temperature data to the control module.
[0028] Furthermore, the environmental monitoring module includes a total of 11 environmental parameter sensors, which are respectively located at the center point of the top surface inside the upper greenhouse chamber, the center point of the vibration isolation platform of the upper greenhouse chamber, the center point of one side wall of the upper greenhouse chamber, the outlet of the water chiller of the upper high-temperature cold source module, the return water outlet of the water chiller of the upper high-temperature cold source module, the center position of the top of each inner side wall of the lower greenhouse chamber, the outlet of the water chiller of the lower high-temperature cold source module, and the return water outlet of the water chiller of the lower high-temperature cold source module. The temperature, humidity, and air pressure collected by the 11 environmental parameter sensors are transmitted to the main control unit through transmission equipment. The control room is for researchers to observe. Simultaneously, the transmission equipment transmits the temperature values collected by environmental parameter sensors located at the center point of the top surface inside the upper greenhouse and the center point of the top of one inner wall of the lower greenhouse to the control module. The control module uses the temperature collected by the environmental parameter sensor located at the center point of the top surface inside the upper greenhouse as the internal temperature of the upper greenhouse, and the temperature collected by the environmental parameter sensor located at the center point of the top of one inner wall of the lower greenhouse as the internal temperature of the lower greenhouse, thereby regulating the upper high-temperature cold source module, the lower high-temperature cold source module, and the air conditioning equipment module.
[0029] Based on the above design, the present invention directly suppresses disturbances to the entire seismic isolation platform by setting up an upper greenhouse chamber and a lower greenhouse chamber. The upper greenhouse chamber regulates temperature changes in a time-sharing manner through coarse and fine control methods, while the lower greenhouse chamber regulates temperature changes through fine control methods. This effectively suppresses temperature fluctuations and airflow disturbances in the environment where the seismic isolation platform is located, thereby reducing the impact of direct disturbances on the seismic isolation platform from the root.
[0030] Secondly, the present invention also proposes a method for suppressing direct environmental disturbances that support seismic isolation stability. This suppression method is based on the aforementioned system for suppressing direct environmental disturbances that supports seismic isolation stability. The specific process is as follows: First step, such as Figure 2 As shown, a greenhouse is built around the seismic isolation platform. The greenhouse is divided into two layers: an upper greenhouse chamber and a lower greenhouse chamber. The upper greenhouse chamber covers the seismic isolation platform, and the lower greenhouse chamber covers the underground part of the seismic isolation platform. The second step involves activating the seismic isolation platform and commencing related experiments. Under the control of the control module, the environmental monitoring module collects real-time data on temperature, humidity, and air pressure inside the upper and lower greenhouse chambers, transmitting the data to the control center for display and real-time monitoring by experimental personnel. The environmental monitoring module also transmits the collected temperatures from the upper and lower greenhouse chambers to the control module. The control module compares the temperature of the upper greenhouse chamber with a preset upper greenhouse chamber temperature threshold and, based on the comparison result, controls the air conditioning equipment module and the upper high-temperature cold source module to regulate the temperature inside the upper greenhouse chamber in a time-sharing manner. Simultaneously, the control module compares the temperature of the lower greenhouse chamber with a preset lower greenhouse chamber temperature threshold and, based on the comparison result, controls the lower high-temperature cold source module to regulate the temperature inside the lower greenhouse chamber. This ensures a uniform temperature distribution within the upper and lower greenhouse chambers, thereby suppressing the impact of temperature fluctuations and airflow disturbances on the seismic isolation platform.
[0031] The parts of this invention not described in detail are common knowledge to those skilled in the art.
Claims
1. A system for suppressing direct environmental disturbances that supports seismic isolation stability, characterized in that... include: Greenhouse, control module, upper high-temperature cold source module, lower high-temperature cold source module, air conditioning equipment module, and environmental monitoring module; The greenhouse consists of two layers: an upper greenhouse chamber and a lower greenhouse chamber. The upper greenhouse chamber covers the isolation platform, while the lower greenhouse chamber covers the underground portion of the isolation platform. The air conditioning module uses a coarse control method to regulate the temperature inside the upper greenhouse chamber, while the upper high-temperature cold source module and the lower high-temperature cold source module both use a fine control method. Under the control of the control module, the environmental monitoring module collects real-time data on the temperature, humidity, and air pressure inside both the upper and lower greenhouse chambers and transmits the collected data to the control center for display, facilitating real-time monitoring by laboratory personnel. The environmental monitoring module transmits the collected temperatures of the upper and lower greenhouse chambers to the control module. The control module compares the temperature of the upper greenhouse chamber with a preset upper greenhouse chamber temperature threshold, and based on the comparison result, controls the air conditioning equipment module and the upper high-temperature cold source module to regulate the internal temperature of the upper greenhouse chamber in a time-sharing manner. At the same time, the control module compares the temperature of the lower greenhouse chamber with a preset lower greenhouse chamber temperature threshold, and based on the comparison result, controls the lower high-temperature cold source module to regulate the internal temperature of the lower greenhouse chamber. This ensures a uniform temperature field distribution inside the upper and lower greenhouse chambers, thereby suppressing the impact of temperature fluctuations and airflow disturbances on the seismic isolation platform.
2. The environmental direct disturbance suppression system for supporting seismic isolation stability according to claim 1, characterized in that: The control module uses a time-sharing approach to regulate the temperature inside the upper chamber by controlling the high-temperature cold source module and the air conditioning equipment module. Specifically, when the temperature inside the upper chamber differs from the preset upper chamber temperature threshold by more than a preset range, the control module activates the air conditioning equipment module. After activation, the air conditioning equipment module uses coarse control to regulate the temperature inside the upper chamber, quickly bringing it to the preset temperature threshold. Once the temperature inside the upper chamber reaches the preset upper chamber temperature threshold, the control module stops the air conditioning equipment module and activates the high-temperature cold source module. After activation, the high-temperature cold source module uses fine control to maintain the temperature inside the upper chamber, ensuring temperature uniformity and preventing airflow within the upper chamber. When the temperature inside the upper chamber is within a preset range and the difference between the temperature inside the upper chamber and the preset upper chamber temperature threshold is within a preset range, the control module controls the upper high-temperature cold source module to start. After the upper high-temperature cold source module starts, it uses a precise control method to slowly bring the temperature inside the upper chamber to the preset upper chamber temperature threshold. After the temperature inside the upper chamber reaches the preset upper chamber temperature threshold, the upper high-temperature cold source module maintains the temperature inside the upper chamber. The control module controls the high-temperature cold source module to regulate the temperature inside the lower greenhouse chamber. Specifically, the control module controls the high-temperature cold source module to start. After the high-temperature cold source module starts, it uses a precise control method to slowly bring the temperature inside the lower greenhouse chamber to the preset temperature threshold. After the temperature inside the lower greenhouse chamber reaches the preset temperature threshold, the high-temperature cold source module maintains the temperature inside the lower greenhouse chamber.
3. The environmental direct disturbance suppression system for supporting seismic isolation stability according to claim 1, characterized in that: The air conditioning equipment module includes an air conditioner; the air conditioner is fixed inside the equipment room; the equipment room is located outside the greenhouse, the equipment room is equipped with an air outlet, and the upper greenhouse compartment of the greenhouse is equipped with an air inlet; one end of the pipe is connected to the air outlet of the equipment room, and the other end is connected to the air inlet of the upper greenhouse compartment of the greenhouse, thereby realizing the connection between the upper greenhouse compartment and the equipment room; the air inlet is located at the top of the upper greenhouse compartment of the greenhouse.
4. The environmental direct disturbance suppression system for supporting seismic isolation stability according to claim 3, characterized in that: The air conditioning equipment module uses a coarse control method to regulate the temperature inside the upper greenhouse chamber. Specifically, when the temperature inside the upper greenhouse chamber is lower than the preset upper greenhouse chamber temperature threshold, the control module controls the air conditioner to blow out hot air; when the temperature inside the upper greenhouse chamber is higher than the preset upper greenhouse chamber temperature threshold, the control module controls the air conditioner to blow out cold air. The air blown out by the air conditioner enters the duct through the air outlet of the equipment room, and then flows into the upper greenhouse chamber through the air inlet, thereby causing the temperature inside the upper greenhouse chamber to quickly reach the preset upper greenhouse chamber temperature threshold.
5. The environmental direct disturbance suppression system for supporting seismic isolation stability according to claim 4, characterized in that: The upper greenhouse chamber is equipped with a perforated plate, which is parallel to the vibration isolation platform of the vibration isolation platform inside the upper greenhouse chamber. A number of guide holes are evenly opened on the perforated plate. The two opposite side walls of the upper greenhouse chamber are provided with louvered air outlets near the bottom of the greenhouse. The air blown in by the air inlet of the upper greenhouse chamber flows vertically downward through the guide holes to the bottom of the upper greenhouse chamber, and then flows to the outside of the greenhouse through the louvered air outlets, thereby forming an airflow organization pattern of upward air supply and downward air return inside the upper greenhouse chamber.
6. The environmental direct disturbance suppression system for supporting seismic isolation stability according to claim 2, characterized in that: The upper high-temperature cold source module and the lower high-temperature cold source module contain the same components, including a radiant plate, water-cooled pipes and a water chiller. The water-cooling pipes of the upper high-temperature cold source module are evenly distributed along the inner wall of the upper greenhouse chamber, and multiple radiant panels are evenly attached to the wall formed by the water-cooling pipes, covering all the inner walls of the upper greenhouse chamber. The water-cooling pipes of the lower high-temperature cold source module are evenly distributed along the inner wall of the lower greenhouse chamber, and multiple radiant panels are evenly attached to the wall formed by the water-cooling pipes, covering all the inner walls of the lower greenhouse chamber. The water chillers of the upper and lower high-temperature cold source modules are located in the equipment room outside the greenhouse, providing water sources for the water-cooling pipes of the upper and lower high-temperature cold source modules, respectively.
7. The environmental direct disturbance suppression system for supporting seismic isolation stability according to claim 6, characterized in that: The high-temperature cold source module uses a precise control method to regulate the temperature inside the upper greenhouse chamber. Specifically, when the temperature inside the upper greenhouse chamber is lower than the preset upper greenhouse chamber temperature threshold, the control module controls the water chiller to increase the output water temperature, thereby raising the temperature of the inner wall of the upper greenhouse chamber through the water cooling pipes. This creates a temperature difference between the inner wall of the upper greenhouse chamber and the air temperature inside the greenhouse, allowing the greenhouse to slowly heat up through the radiant panels via heat conduction. When the temperature inside the upper greenhouse chamber is higher than the preset upper greenhouse chamber temperature threshold, the control module controls the water chiller to decrease the output water temperature, thereby lowering the temperature of the inner wall of the upper greenhouse chamber through the water cooling pipes. This creates a temperature difference between the inner wall of the upper greenhouse chamber and the air temperature inside the greenhouse, allowing the greenhouse to slowly cool down through the radiant panels via heat conduction. The high-temperature cold source module uses a precise control method to regulate the temperature inside the lower greenhouse chamber. Specifically, when the temperature inside the lower greenhouse chamber is lower than the preset temperature threshold, the control module controls the water chiller to increase the output water temperature, thereby raising the temperature of the inner wall of the lower greenhouse chamber through the water cooling pipes. This creates a temperature difference between the inner wall of the lower greenhouse chamber and the air temperature inside the greenhouse, allowing the greenhouse to slowly heat up through the radiant panels via heat conduction. Conversely, when the temperature inside the lower greenhouse chamber is higher than the preset temperature threshold, the control module controls the water chiller to decrease the output water temperature, thereby lowering the temperature of the inner wall of the lower greenhouse chamber through the water cooling pipes. This creates a temperature difference between the inner wall of the lower greenhouse chamber and the air temperature inside the greenhouse, allowing the greenhouse to slowly cool down through the radiant panels via heat conduction.
8. The environmental direct disturbance suppression system for supporting seismic isolation stability according to claim 6, characterized in that: The environmental monitoring module includes environmental parameter sensors and transmission equipment; the environmental parameter sensors are used to measure the temperature, humidity and air pressure inside the greenhouse; the environmental parameter sensors transmit the collected temperature, humidity and air pressure to the transmission equipment; the transmission equipment sends the temperature, humidity and air pressure to the main control room, and at the same time transmits the temperature data to the control module.
9. The environmental direct disturbance suppression system for supporting seismic isolation stability according to claim 8, characterized in that: The environmental monitoring module includes 11 environmental parameter sensors, which are respectively located at the center point of the top surface inside the upper greenhouse chamber, the center point of the vibration isolation platform of the upper greenhouse chamber, the center point of one side wall of the upper greenhouse chamber, the outlet of the water chiller of the upper high-temperature cold source module, the return water outlet of the water chiller of the upper high-temperature cold source module, the center point of the top of each inner side wall of the lower greenhouse chamber, the outlet of the water chiller of the lower high-temperature cold source module, and the return water outlet of the water chiller of the lower high-temperature cold source module. The temperature, humidity, and air pressure collected by the 11 environmental parameter sensors are transmitted to the main control room through transmission equipment. For researchers to view; simultaneously, the transmission equipment transmits the temperature values collected by environmental parameter sensors located at the center point of the top surface inside the upper greenhouse chamber and the center point of the top of one inner wall of the lower greenhouse chamber to the control module. The control module uses the temperature collected by the environmental parameter sensor located at the center point of the top surface inside the upper greenhouse chamber as the internal temperature of the upper greenhouse chamber, and uses the temperature collected by the environmental parameter sensor located at the center point of the top of one inner wall of the lower greenhouse chamber as the internal temperature of the lower greenhouse chamber, thereby regulating the upper high-temperature cold source module, the lower high-temperature cold source module, and the air conditioning equipment module.
10. A method for suppressing direct environmental disturbances that support seismic isolation stability, characterized in that: The suppression method is implemented based on the environmental direct disturbance suppression system for supporting seismic isolation stability as described in any one of claims 1 to 9, and the specific process is as follows: The first step is to build a greenhouse around the seismic isolation platform. The greenhouse is divided into two layers: an upper greenhouse chamber and a lower greenhouse chamber. The upper greenhouse chamber covers the seismic isolation platform, and the lower greenhouse chamber covers the underground part of the seismic isolation platform. The second step is to start the seismic isolation platform and begin related experiments. Under the control of the control module, the environmental monitoring module collects the temperature, humidity and air pressure inside the upper and lower greenhouse chambers in real time, and transmits the collected data to the control center for display, so that the experimenters can monitor it in real time. The environmental monitoring module transmits the collected temperatures of the upper and lower greenhouse chambers to the control module. The control module compares the temperature of the upper greenhouse chamber with a preset upper greenhouse chamber temperature threshold, and based on the comparison result, controls the air conditioning equipment module and the upper high-temperature cold source module to regulate the internal temperature of the upper greenhouse chamber in a time-sharing manner. At the same time, the control module compares the temperature of the lower greenhouse chamber with a preset lower greenhouse chamber temperature threshold, and based on the comparison result, controls the lower high-temperature cold source module to regulate the internal temperature of the lower greenhouse chamber. This ensures that the temperature field inside the upper and lower greenhouse chambers is evenly distributed, thereby suppressing the impact of temperature fluctuations and airflow disturbances on the vibration isolation platform.