CN109601486B - Insect satellite payload experimental module - Google Patents

Abstract

The invention relates to the field of aerospace instruments, in particular to an insect satellite load experiment cabin which comprises a bearing cabin, a living unit, a motion monitoring unit, an environment regulation and control unit, a sensing unit, a main control unit, a communication interface and a power interface, wherein the bearing cabin is connected with the living unit; the pressure-bearing cabin comprises a cabin body, a front end cover, a rear end cover and an insulating layer; the living unit comprises a solitary unit and a group living unit; the movement monitoring unit comprises an infrared monitoring unit and a camera unit which are respectively arranged on the solitary unit and the colonisation unit and used for monitoring the movement of insects; the environment regulation and control unit comprises an illumination unit, a wind-heat unit, a humidifying unit and a gas unit; the sensing unit collects environmental parameters; the main control unit can preset corresponding programs, can input instructions on the ground in real time, can automatically control the motion monitoring unit, and can automatically control the environment regulation and control unit according to the sensing parameters of the sensing unit; the communication and power interface is positioned on the front end cover and connected with a satellite to transmit data and supply power. The invention can provide support for the study of insect space behaviours.

Description

Insect satellite payload experimental module

Technical field

The invention relates to the field of aerospace instruments, and in particular to an insect satellite payload experimental cabin, which can meet the survival needs of small insects in space and can be used to monitor various behavioral activities such as growth and development, movement, and sleep of insects. It is a device for insects. Spatial behavioral research provides support.

Background technique

As humans continue to explore the space environment, space life science is also developing. Small insects such as fruit flies, ants, and cockroaches have become important research objects in space life sciences due to their small size, strong adaptability, low energy consumption, and their advantages in biological research. Create a good living space for insects in the space environment, and use infrared, camera and other monitoring technologies to monitor and record the growth and development, movement, sleep and other behavioral activities of insects in orbit in real time, so as to more intuitively understand the living conditions of organisms. Orbital status is of great significance to the research of space life sciences. And because the data can be transmitted back at regular intervals, the requirements for satellite return are reduced and the satellite payload resources available for research are greatly expanded. At present, scientific researchers lack an insect satellite payload experimental cabin that meets the survival needs of various small insects and can conduct in-orbit research on their growth and development, movement, sleep and other behavioral activities.

Contents of the invention

The present invention is mainly based on the requirements of aerospace instruments and biology to design a standardized satellite payload experimental cabin that meets the survival needs of insects and can conduct in-orbit research on insect growth and development, movement, sleep and other behavioral activities. The successful development of the invention will provide equipment support for research on the impact of space environment on biological growth and development, movement, sleep and other behavioral activities, and promote the development of space life sciences.

An insect satellite payload experimental cabin, including a pressure cabin, a living unit, a motion monitoring unit, an environmental control unit, a sensing unit, a main control unit, a communication and a power interface; the pressure cabin includes a cabin, a front end cover, a rear end Cover and insulation layer, the cabin has an inner cavity, the front end cover covers the front end of the cabin, the rear end cover covers the rear end of the cabin, the insulation layer covers the inner wall of the cabin cavity and The inner cavity of the cabin is sealed; the living unit, the environment control unit, the sensing unit and the main control unit are installed in the inner cavity of the pressure cabin; the living unit, the motion monitoring unit, the environment control unit, the The sensing unit, the communication and power interface are all electrically connected to the main control unit; the living unit is the insect living space; the movement monitoring unit is installed on the living unit and monitors the activities of the insects, and sends the main control unit to store records ; The environment control unit is controlled by the main control unit to regulate the environment in the experimental cabin; the sensing unit collects various environmental parameters in the experimental cabin and sends them to the main control unit for storage records; the main control unit can preset corresponding The program can also input commands in real time on the ground to automatically control the motion monitoring unit, and can automatically control the environment control unit according to the sensing parameters of the sensing unit to maintain various environmental parameters in the experimental cabin; the communication and power interface Located on the front end cover, it is connected to the satellite power supply system to power the experimental cabin, communicates with the ground, and regularly transmits the experimental data stored in the main control unit back to the ground.

Preferably, the cabin, the front end cover and the rear end cover are made of high-strength aluminum alloy materials, and the insulation layer is made of foamed polymer materials.

Preferably, the living unit includes a solitary living unit and a group living unit. The solitary living unit is composed of an array of transparent plexiglass test tubes. The solitary living unit is replaceable and the diameter of the plexiglass test tubes is variable, ranging from 5mm to 10mm; the group living unit is composed of It consists of a transparent organic glass petri dish; both the solitary unit and the group unit are placed with specially prepared food that can meet the survival needs of the insects for more than 30 days at a time.

Preferably, the movement monitoring unit includes an infrared monitoring unit and a camera unit. The infrared monitoring unit surrounds each test tube in the solitary unit in the form of an array and independently monitors the movement of insects in each test tube; the camera unit is located Directly above the colony unit, various behavioral activities of the insects are recorded in real time.

Preferably, the environmental control unit includes a lighting unit, a wind and heat unit, a humidification unit and a gas unit, each of which is controlled and operated by a main control unit to regulate lighting, ventilation, temperature, humidity, carbon dioxide concentration and oxygen concentration in the experimental cabin. .

Preferably, the illumination unit contains two light homogenizing plates and contains several LEDs; the air heating unit has two fans, and a heating resistor is installed in front of the fan for heating; the humidification unit is provided with a ventilation hose connected through The air pump and water storage tank use the air pump to pump air through the water storage tank, and control the operation of the air pump through the main control unit to regulate the humidity in the experimental cabin; the gas unit is equipped with an air pump connected through a ventilation hose and an oxygen generator. The oxygen-generating tank of the medicine uses an air pump to pump air through the oxygen-generating tank, and controls the operation of the air pump through the main control unit to regulate the concentration of oxygen and carbon dioxide in the experimental cabin.

Preferably, the sensing unit includes an acceleration sensing unit, a light sensing unit, an air pressure sensing unit, a temperature and humidity sensing unit, and an oxygen and carbon dioxide sensing unit, all of which use miniature high-sensitivity and high-resolution sensors to collect the data respectively. The acceleration, light, air pressure, temperature, humidity, oxygen concentration and carbon dioxide concentration parameters in the experimental cabin are sent to the main control unit for storage and recording.

Preferably, the main control unit includes a single-chip microcomputer and several chips, which can preset corresponding programs and input instructions in real time on the ground, which can meet the data storage needs within six months.

Preferably, the data transmission of the communication and power interface uses CAN or UART or IIC bus to communicate with the OBC, and the data is transmitted back to the ground regularly.

Preferably, the living unit, motion monitoring unit, environment control unit, sensing unit, main control unit and communication and power interface adopt modular design and are easy to assemble.

The insect satellite payload experimental cabin of the present invention includes a pressure-bearing cabin, a living unit, a motion monitoring unit, an environmental control unit, a sensing unit, a main control unit and a communication and power interface. The environmental control unit can regulate the environment in the experimental cabin and create a good living space for insects in the space environment. The movement monitoring unit uses infrared monitoring technology and camera monitoring technology to monitor and record in real time the growth and development, movement, sleep and other behavioral activities of insects in the solitary unit and the group unit in the living unit during their orbit. The two aspects are combined to A more comprehensive and intuitive understanding of the in-orbit status of organisms is of great significance to research in space life sciences. The main control unit can preset corresponding programs and can also input commands in real time on the ground, increasing the flexibility of operation. This communication and power interface can transmit data back regularly, which reduces the requirements for satellite return and greatly expands the satellite payload resources available for research. The successful development of the invention will provide equipment support for research on the impact of space environment on biological growth and development, movement, sleep and other behavioral activities, and promote the development of space life sciences.

The middle cabin, front end cover and rear end cover of the pressure-bearing cabin are made of high-strength aluminum alloy materials. High-strength aluminum alloy has the characteristics of low density, high strength, good processing performance and excellent welding performance; the insulation layer is made of foam Made of polymer materials, the materials meet the needs of satellites and are relatively low-cost and easy to obtain.

The special food in the living unit can meet the survival needs of insects for more than 30 days at a time and can be used for long-term research; the solitary living unit is replaceable, and the diameter of the plexiglass test tube is variable, ranging from 5mm-10mm to meet the needs of insects of different sizes. Carrying requirements.

The lighting unit is composed of two uniform light plates containing several LEDs, so that the living units on both sides receive uniform light. The main control unit realizes timing and flicker-free light intensity control to adapt to the needs of different insects.

The main control unit can preset corresponding programs and can also input instructions in real time on the ground, which increases the flexibility of operation.

The communication and power interface communicates with the OBC through CAN or UART or IIC bus, and regularly transmits data back to the ground. The satellite can obtain experimental data without returning, which greatly expands the satellite load resources available for research; at the same time, the experimental cabin is connected to The satellite power supply system uses power, which reduces the weight of the load. The average power demand is less than 8W and the peak value is less than 15W, which is more power-saving.

The experimental cabin can adopt a standardized design in terms of shape, volume, weight, etc. based on the characteristics of existing satellites. At the same time, each internal unit adopts a modular design to facilitate flexible combination according to actual needs and easy assembly, which greatly expands the scope of application.

Description of drawings

The present invention will be further described below in conjunction with the accompanying drawings and examples.

Figure 1 shows the overall structure of the insect satellite payload experimental cabin. 1. Pressure-bearing cabin, 2. Living unit, 3. Motion monitoring unit, 4. Environmental control unit, 5. Sensing unit, 6. Main control unit, 7. Communication and power interface, 8. Cabin, 9. Front end Cover, 10. Rear end cover, 11. Insulation layer, 12. Single living unit, 13. Group living unit, 14. Infrared monitoring unit, 15. Camera unit, 16. Lighting unit, 17. Wind heating unit, 18. Humidification unit, 19. Gas unit.

In Figure 2, 12. Single living unit, 14. Infrared monitoring unit.

In Figure 3, 5. Sensing unit, 20. Acceleration sensing unit, 21. Light sensing unit, 22. Air pressure sensing unit, 23. Temperature and humidity sensing unit, 24. Oxygen and carbon dioxide sensing unit.

In Figure 4, 13. Group living unit, 15. Camera unit.

In Figure 5, 6. Main control unit.

In Figure 6, 4. Environmental control unit, 16. Lighting unit, 17. Wind heating unit, 18. Humidification unit, 19. Gas unit.

Detailed ways

As shown in Figures 1 to 6, the present invention provides an insect satellite payload experimental cabin, including a pressure cabin 1, a living unit 2, a motion monitoring unit 3, an environmental control unit 4, a sensing unit 5, a main control unit 6, Communication and power interface 7; the pressure cabin 1 includes a cabin 8, a front end cover 9, a rear end cover 10 and an insulation layer 11. The cabin 8 has an inner cavity, and the front end cover 9 covers the front end of the cabin 8 , the rear end cover 10 covers the rear end of the cabin 8, and the insulation layer 11 covers the inner wall of the inner cavity of the cabin 8 and seals the inner cavity of the cabin 8; the living unit 2, the environment control unit 4 , the sensing unit 5 and the main control unit 6 are installed in the inner cavity of the pressure chamber 1; the living unit 2, the motion monitoring unit 3, the environment control unit 4, the sensing unit 5, the communication and The power interfaces 7 are electrically connected to the main control unit 6; the living unit 2 is a living space for insects; the movement monitoring unit 3 is installed on the living unit 2 and monitors the activities of insects, and sends the main control unit 6 to store records; The environment control unit 4 is controlled by the main control unit 6 to regulate the environment in the experimental cabin; the sensing unit 5 collects various environmental parameters in the experimental cabin and sends them to the main control unit 6 for storage records; the main control unit 6 Corresponding programs can be preset, or instructions can be input in real time on the ground. The motion monitoring unit 3 can be automatically controlled, and the environment control unit 4 can be automatically controlled according to the sensing parameters of the sensing unit 5 to maintain various environments in the experimental cabin. Parameters: The communication and power interface 7 is located on the front end cover 9 and is connected to the satellite power supply system to power the experimental cabin, communicate with the ground, and regularly transmit the experimental data stored in the main control unit 6 back to the ground.

The cabin 8, the front end cover 9 and the rear end cover 10 are made of high-strength aluminum alloy materials, and the insulation layer 11 is made of foamed polymer materials; high-strength aluminum alloys have low density and high strength. It has the characteristics of high efficiency, good processing performance and excellent welding performance; foamed polymer materials meet the needs of satellite mounting, and are relatively low-cost and easy to obtain.

The living unit 2 includes a solitary living unit 12 and a group living unit 13. The solitary living unit 12 is composed of an array of transparent plexiglass test tubes. The solitary living unit 12 is replaceable. The diameter of the plexiglass test tubes is variable in the range of 5mm-10mm to meet the needs of It has strong adaptability to the carrying requirements of insects of different sizes; the colony unit 13 is composed of a transparent organic glass petri dish; the solitary unit 12 and the colony unit 13 are both placed with special food that can meet the survival needs of insects for more than 30 days at a time. Can be used for long-term research.

The movement monitoring unit 3 includes an infrared monitoring unit 14 and a camera unit 15. The infrared monitoring unit 14 is arranged in an array around each test tube of the solitary unit 12 and independently monitors the movement of insects in each test tube; the camera The unit 15 is placed directly above the colony unit 13 to record various behavioral activities of insects in real time.

The environment control unit 4 includes a lighting unit 16, a wind and heat unit 17, a humidification unit 18 and a gas unit 19, which are respectively controlled and operated by the main control unit 6 to regulate the illumination, ventilation volume, temperature, humidity, and carbon dioxide concentration in the experimental cabin. and oxygen concentration.

The lighting unit 16 contains several LEDs in two uniform light plates, so that the living units 2 on both sides receive light uniformly. The main control unit 6 realizes timing and flicker-free light intensity control to adapt to the needs of different insects; so The air heating unit 17 has two fans, and a heating resistor is installed in front of the fan for heating; the humidification unit 18 is provided with an air pump and a water storage tank connected through a ventilation hose, and the air pump is used to pump air through the water storage tank and through the main The control unit 6 controls the operation of the air pump, thereby regulating the humidity in the experimental cabin; the gas unit 19 is provided with an air pump connected through a ventilation hose and an oxygen-generating medicine tank containing oxygen-generating medicine, and uses the air pump to pump air through the oxygen-generating medicine. tank, and controls the operation of the air pump through the main control unit 6, thereby regulating the concentration of oxygen and carbon dioxide in the experimental cabin.

The sensing unit 5 includes an acceleration sensing unit 20, an illumination sensing unit 21, an air pressure sensing unit 22, a temperature and humidity sensing unit 23, and an oxygen and carbon dioxide sensing unit 24, all of which adopt miniature high-sensitivity and high-resolution sensors. The acceleration, light, air pressure, temperature, humidity, oxygen concentration and carbon dioxide concentration parameters in the experimental cabin are collected respectively, and sent to the main control unit 6 for storage and recording.

The main control unit 6 includes a single-chip microcomputer and several chips, which can preset corresponding programs or input instructions in real time on the ground, and can meet the data storage needs within six months.

The data transmission of the communication and power interface 7 uses CAN or UART or IIC bus to communicate with the OBC, and the data is regularly transmitted back to the ground. The satellite can obtain experimental data without returning, which greatly expands the satellite load resources available for research; at the same time, the The experimental cabin is connected to the satellite power supply system for power supply, which reduces the weight of the load. The average power demand is less than 8W and the peak value is less than 15W, which is relatively power-saving.

The experimental cabin can adopt a standardized design in terms of shape, volume, weight, etc. based on the characteristics of existing satellites. The living unit 2, motion monitoring unit 3, environmental control unit 4, sensing unit 5, main control unit 6 and communication and power supply Interface 7 adopts a modular design, which facilitates flexible combination according to actual needs, easy assembly, and greatly expands the scope of application.

The above are only preferred embodiments of the present invention, and therefore cannot be used to limit the scope of the present invention. That is, equivalent changes and modifications made based on the patent scope of the present invention and the content of the specification should still be covered by the present invention. within the range.

Claims (10)

1. An insect satellite payload experimental cabin, characterized by: including a pressure cabin, a living unit, a motion monitoring unit, an environmental control unit, a sensing unit, a main control unit, a communication and a power interface; the pressure cabin includes a cabin body , front end cover, rear end cover and insulation layer, the cabin has an inner cavity, the front end cover covers the front end of the cabin, the rear end cover covers the rear end of the cabin, and the insulation layer covers the cabin on the inner wall of the body cavity and sealing the cabin cavity; the living unit, the environment control unit, the sensing unit and the main control unit are installed in the inner cavity of the pressure cabin; the living unit, the motion monitoring unit, The environmental control unit, the sensing unit, the communication and power interface are all electrically connected to the main control unit; the living unit is an insect living space, and the living unit includes a solitary unit and a group unit. The solitary unit is composed of a group of transparent organic The colony unit is composed of an array of glass test tubes, and the colony unit is composed of a transparent organic glass petri dish; the movement monitoring unit is installed on the living unit and monitors the activities of insects, and sends it to the main control unit to store records; the environment control unit is controlled by the main control unit Control and regulate the environment in the experimental cabin; the sensing unit collects various environmental parameters in the experimental cabin and sends them to the main control unit to store records; the main control unit can preset corresponding programs or input commands in real time on the ground. The motion monitoring unit can be automatically controlled, and the environment control unit can be automatically controlled according to the sensing parameters of the sensing unit to maintain various environmental parameters in the experimental cabin; the communication and power interface is located on the front end cover and is connected to the satellite power supply system It supplies power to the experimental cabin, communicates with the ground, and regularly transmits the experimental data stored in the main control unit back to the ground. 2. The insect satellite payload experimental cabin according to claim 1, characterized in that: the cabin body, the front end cover and the rear end cover are made of high-strength aluminum alloy materials, and the insulation layer is made of foam. Made of polymer material. 3. The insect satellite payload experimental cabin according to claim 1, characterized in that: the solitary unit is replaceable, and the diameter of the organic glass test tube is variable, ranging from 5mm to 10mm; both the solitary unit and the social unit are Place special food that can meet the survival needs of insects for more than 30 days at a time. 4. The insect satellite payload experimental cabin according to claim 1, characterized in that: the movement monitoring unit includes an infrared monitoring unit and a camera unit, and the infrared monitoring unit is in the form of an array surrounding each test tube of the solitary unit. All around, the movement of insects in each test tube is independently monitored; the camera unit is placed directly above the colony unit to record various behavioral activities of the insects in real time. 5. The insect satellite payload experimental cabin according to claim 1, characterized in that: the environment control unit includes a lighting unit, a wind heat unit, a humidification unit and a gas unit, each of which is controlled and operated by a main control unit to regulate the experiment. Cabin lighting, ventilation, temperature, humidity, carbon dioxide concentration and oxygen concentration. 6. The insect satellite payload experimental cabin according to claim 5, characterized in that: the lighting unit is composed of two uniform light plates containing several LEDs; the wind heating unit has two fans, and a heating resistor is installed in front of the fan. To heat; the humidification unit is provided with an air pump and a water storage tank connected by a ventilation hose, and the air pump is used to pump air through the water storage tank, and the operation of the air pump is controlled by the main control unit, thereby regulating the humidity in the experimental cabin; The gas unit is equipped with an air pump connected through a ventilation hose and an oxygen-generating tank containing oxygen-generating chemicals. The air pump is used to pump air through the oxygen-generating tank, and the main control unit controls the operation of the air pump to regulate oxygen and carbon dioxide in the experimental cabin. concentration. 7. The insect satellite payload experimental cabin according to claim 1, characterized in that: the sensing unit includes an acceleration sensing unit, a light sensing unit, an air pressure sensing unit, a temperature and humidity sensing unit, and an oxygen and carbon dioxide sensing unit. The sensing units all use miniature high-sensitivity and high-resolution sensors to collect acceleration, light, air pressure, temperature, humidity, oxygen concentration and carbon dioxide concentration parameters in the experimental cabin, and send them to the main control unit for storage and recording. 8. The insect satellite payload experimental cabin according to claim 1, characterized in that: the main control unit includes a single-chip microcomputer and several chips, which can preset corresponding programs, and can also input instructions in real time on the ground, which can meet the requirements of six months. data storage requirements within. 9. The insect satellite payload experimental cabin according to claim 1, characterized in that: the data transmission of the communication and power interface adopts CAN or UART or IIC bus to communicate with the OBC, and the data is transmitted back to the ground regularly. 10. The insect satellite payload experimental cabin according to claim 1, characterized in that: the living unit, motion monitoring unit, environmental control unit, sensing unit, main control unit and communication and power interface adopt a modular design, which can Flexible combination.