An emergency system and method for satellite equipment

Abstract

The application relates to an emergency system and method suitable for a satellite device, the emergency system comprising a solar panel, a pipeline device, an electromagnetic power generation device, an induction heating device, a heat dissipation device, an electromagnetic pump and an energy storage device; the pipeline device comprises a serpentine pipeline and a flow pipeline in communication; the serpentine pipeline is arranged on the back of the solar panel; the pipeline device is used for connecting the solar panel, the electromagnetic power generation device, the induction heating device, the heat dissipation device and the electromagnetic pump, so that a flowing working medium can circulate and flow in the pipeline device; the solar panel and the electromagnetic power generation device are electrically connected with the energy storage device; and the energy storage device is electrically connected with the induction heating device and the electromagnetic pump. In this way, the satellite device can effectively respond even when power failure and heat dissipation failure occur in an extreme environment, and the stable operation of the satellite in various complex environments is ensured.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of satellite device startup, in particular to an emergency system and method suitable for satellite devices. BACKGROUND

[0002] The extremely harsh characteristics of the space environment pose a severe challenge to the stability and reliability of satellite devices. The space environment has extreme characteristics such as high vacuum, ultra-low temperature, and no light, with a temperature fluctuation range of -100℃ to 150℃, which poses strict requirements on the thermal management system and material selection of satellite devices. In such an environment, satellite devices must maintain stable operation to ensure their vital role in communication, navigation, weather monitoring, earth observation, and emergency rescue.

[0003] When the communication system between the satellite and the ground station encounters failure, it is crucial to quickly restore the communication link to ensure the transmission of critical information. To this end, deploying emergency communication satellites and ground stations can achieve rapid communication network reconstruction, ensuring task continuity and data security.

[0004] Sudden power outage events and failure of the heat dissipation system are two major risks in satellite operation. Traditional power supply methods may not be able to recover quickly, leading to data loss or device damage; and failure of the heat dissipation system can cause the internal temperature of the satellite to rise sharply, endangering the safety of sensitive electronic components. Therefore, satellites must have the ability to respond quickly to protect themselves and maintain basic functions in the event of power failure or heat dissipation failure.

[0005] Given that solar energy is the main energy source in space, the progress of solar technology is crucial for satellite emergency power supply. The design, manufacture, installation, and maintenance of solar panels are key to ensuring that satellites can still operate in the event of a power outage. On the other hand, liquid metals have broad application potential in high-tech fields due to their excellent thermal and electrical conductivity and fluidity, but the high melting point of traditional liquid metals requires complex heating and insulation equipment to maintain their fluidity.

[0006] In the face of the above extreme situations, existing emergency measures are often insufficient, especially in the event of power supply and heat dissipation system failure, there is a lack of a solution to ensure that satellites can reliably perform tasks under extreme conditions. SUMMARY

[0007] In view of the above problems of the prior art, the present application provides an emergency system and method suitable for satellite devices, which can effectively cope with the risks of power failure and heat dissipation failure, and ensure that satellite devices can operate stably in extreme space environments.

[0008] To achieve the above object, the first aspect of the present application provides an emergency system suitable for a satellite device, comprising: a solar panel, a pipeline device, an electromagnetic power generation device, an induction heating device, a heat dissipation device, an electromagnetic pump, and an energy storage device;

[0009] The pipeline device comprises a serpentine pipeline and a flow pipeline in communication; wherein the serpentine pipeline is arranged on the back of the solar panel, and the pipeline device is used to connect the solar panel, the electromagnetic power generation device, the induction heating device, the heat dissipation device, and the electromagnetic pump, so that the flowing working medium can circulate in the pipeline device;

[0010] The solar panel and the electromagnetic power generation device are electrically connected with the energy storage device, and the energy storage device is electrically connected with the induction heating device and the electromagnetic pump respectively;

[0011] The solar panel is used to convert the absorbed radiant heat into electrical energy input into the energy storage device, and heat the serpentine pipeline on the back through heat conduction;

[0012] The energy storage device is used to store electrical energy and provide electrical energy to each device;

[0013] The electromagnetic power generation device is used to generate an electric current by using the flowing working medium flowing in the flow channel, and store the electric current in the energy storage device;

[0014] The electromagnetic pump is used to drive the flowing working medium to circulate in the pipeline device;

[0015] The induction heating device is used to heat the flowing working medium;

[0016] The heat dissipation device is used to use the flowing working medium to take away the heat in the satellite device.

[0017] In this way, the emergency system of the present application integrates the solar panel, the pipeline device, the electromagnetic power generation device, the induction heating device, the heat dissipation device, the electromagnetic pump, and the energy storage device, and through the cooperative work between each device, the satellite device can effectively cope with the severe challenges such as power failure and heat dissipation failure in extreme environments, and ensure the stable operation of the satellite in various complex environments. The emergency system not only improves the emergency response ability and self-protection mechanism of the satellite, but also provides a solid technical guarantee for the successful execution of the satellite mission.

[0018] As a possible implementation manner of the first aspect, the inside of the serpentine pipeline is provided with a plurality of pit structures.

[0019] Thus, the concave structure increases the contact area between the flowing working medium and the solar panel, thereby improving the heat exchange efficiency and enabling the solar panel to more effectively transfer heat to the flowing working medium. Moreover, the concave structure can also resist the influence of excessive expansion of the flowing working medium caused by a sharp change in temperature to some extent, thereby improving the stable operation of the emergency system.

[0020] As a possible implementation form of the first aspect, an expansion joint is arranged at the connection between the serpentine pipe and the flow pipe to form a circulation of the flowing working medium from the serpentine pipe, through the electromagnetic power generation device, the induction heating device, the heat dissipation device, and the electromagnetic pump, and finally back to the serpentine pipe at the back of the solar panel.

[0021] Thus, the use of the expansion joint can compensate for the deformation of the serpentine pipe and the flow pipe caused by thermal expansion and contraction at different temperatures, thereby avoiding the risk of pipe rupture or leakage caused by excessive stress and ensuring the safety and reliability of the connection between the pipes.

[0022] As a possible implementation form of the first aspect, the electromagnetic power generation device comprises:

[0023] a flow channel for guiding the flowing working medium;

[0024] a plurality of magnetic poles arranged uniformly around the outer periphery of the flow channel for generating a magnetic field;

[0025] a plurality of coils arranged uniformly around the outer periphery of the flow channel and arranged inside the magnetic poles for generating an induced electromotive force in the coils according to Faraday's law of electromagnetic induction when the flowing working medium moves in the magnetic field;

[0026] an external circuit arranged on one of the magnetic poles for collecting the current generated by electromagnetic induction and transmitting electrical energy to the energy storage device; wherein the external circuit is electrically connected to the coils and the energy storage device, respectively;

[0027] wherein the movement of the flowing working medium in the magnetic field causes a change in the magnetic flux in the coils, thereby generating an induced electromotive force and driving a current through the coils and the external circuit to achieve energy conversion.

[0028] Thus, the current generated by the movement of the flowing working medium in the magnetic field is stored in the energy storage device, thereby achieving efficient energy conversion and storage. Moreover, the electromagnetic power generation device does not require traditional mechanical components (such as physical rotors), thereby reducing the possibility of wear and failure, prolonging the service life, and being particularly suitable for long-term unattended space applications.

[0029] As a possible implementation form of the first aspect, the induction heating device comprises:

[0030] A liquid storage tank for storing the flow working medium, and an inlet and an outlet are arranged on the liquid storage tank to allow the flow working medium to enter and exit the liquid storage tank;

[0031] A heating element is wound around the outside of the liquid storage tank or arranged in the wall thickness of the liquid storage tank, and is used to heat the liquid storage tank to make the flow working medium flow.

[0032] Therefore, the energy storage device must be used to power the induction heating device, and the heating element is started to heat the flow working medium in the liquid storage tank to ensure that the flow working medium can flow smoothly in the pipeline device.

[0033] As a possible implementation of the first aspect, the electromagnetic pump comprises:

[0034] A transmission pipe for guiding the flow working medium to pass through;

[0035] An inner core arranged in the center of the electromagnetic pump and arranged in the transmission pipe to generate a magnetic field;

[0036] A primary core arranged outside the transmission pipe and arranged around the transmission pipe to generate a magnetic field.

[0037] In this way, the reasonable arrangement of the inner core and the primary core enables the electromagnetic pump to generate a stronger magnetic field, thereby improving the driving capacity and efficiency of the pump.

[0038] As a possible implementation of the first aspect, the wall thickness of the transmission pipe is 8-16mm.

[0039] In this way, the wall thickness of the transmission pipe is set to 8-16mm, which can meet certain pressure requirements and ensure the safe and stable flow of the flow working medium in the transmission pipe; this thickness range also helps to optimize the heat conduction efficiency and reduce energy loss.

[0040] As a possible implementation of the first aspect, the gap between the inner core and the transmission pipe is a pump groove gap, which is 5-8mm.

[0041] In this way, the appropriate pump groove gap helps to reduce the resistance of the fluid during transmission and improve the flow efficiency. The gap width of 5-8mm can ensure sufficient fluid passage while reducing unnecessary energy loss, so that the electromagnetic pump can more efficiently drive the flow working medium to circulate in the pipeline system.

[0042] As a possible implementation of the first aspect, the heat dissipation device comprises:

[0043] A heat dissipation plate is arranged on the surface of the satellite device and located on the side facing away from the sun.

[0044] A flow pipeline is arranged around the heat dissipation device in the satellite device and is in communication with the pipeline inside the heat dissipation plate.

[0045] The flowing working medium is used to absorb and carry heat from the heat dissipation device and is transported to the heat dissipation plate located on the side of the satellite surface facing away from the sun to radiate heat to outer space.

[0046] Therefore, the application can efficiently transfer the heat generated by the heat dissipation device to the heat dissipation plate arranged on the side of the satellite surface facing away from the sun, reduces the interference of additional radiant heat from the sun, and enables the heat dissipation plate to more effectively radiate heat to outer space, thereby optimizing the heat dissipation performance and ensuring the stability of the internal temperature of the satellite device.

[0047] To achieve the above-mentioned purpose, the second aspect of the application provides an emergency method suitable for a satellite device, which uses the emergency system suitable for a satellite device described in the first aspect, and includes:

[0048] The radiant heat absorbed by the solar panel is converted into electrical energy input into the energy storage device, and the back surface of the serpentine pipeline is heated through heat conduction;

[0049] The flowing working medium in the serpentine pipeline starts to flow after being heated, and forms a circulating flow path through the pipeline device connecting various devices;

[0050] The flowing working medium flows in the flow channel of the electromagnetic power generation device, and the generated electrical energy is stored in the energy storage device;

[0051] The energy storage device supplies power to the electromagnetic pump, and the electromagnetic pump drives the flowing working medium to continuously circulate in the entire pipeline device as a power source;

[0052] The energy storage device supplies power to the induction heating device, and the heating element heats the liquid storage tank to make the flowing working medium flow;

[0053] The heat dissipation device uses the flowing working medium to carry away the heat generated by the satellite device.

[0054] In summary, the application includes at least one of the following beneficial technical effects:

[0055] (1) By integrating the solar panel and the pipeline device, dual efficient use of solar energy is achieved. On the one hand, solar energy is converted into electrical energy for storage; on the other hand, its radiant heat is used to heat the serpentine pipeline, thereby significantly improving energy utilization efficiency. At the same time, the design of the concave structure and the expansion joint effectively deals with the extreme temperature changes in space, significantly enhancing the reliability and stability of the entire system.

[0056] (2) The application is equipped with an induction heating device and an electromagnetic pump, which work together to quickly start in the event of power failure. This design ensures that the flowing working medium can be heated and driven in time in an emergency, thereby maintaining the key operation of the satellite equipment. Therefore, the emergency system of the application significantly improves the emergency response capability and survivability of the satellite in the event of power failure.

[0057] (3) A heat dissipation device is used in the satellite equipment. Through the effective heat conduction of the flowing working medium, efficient heat transfer and dissipation are realized, effectively protecting the satellite equipment from overheating damage. In addition, the integrated design of the electromagnetic pump and the energy storage device enables the cooling of key components to be maintained in the event of power failure, further enhancing the thermal management efficiency and self-protection capability of the satellite equipment. BRIEF DESCRIPTION OF DRAWINGS

[0058] Figure 1 is a structural block diagram of an emergency system suitable for satellite equipment provided by the application;

[0059] Figure 2 is a relationship diagram of an emergency system and satellite equipment provided by the application;

[0060] Figure 3 is a structural diagram of a solar panel provided by the application;

[0061] Figure 4 is a structural diagram of an electromagnetic power generation device provided by the application;

[0062] Figure 5 is a sectional view of an electromagnetic power generation device provided by the application;

[0063] Figure 6 is a structural diagram of an induction heating device provided by the application;

[0064] Figure 7 is a structural diagram of an electromagnetic pump provided by the application;

[0065] Figure 8 is a main step flowchart of an emergency method suitable for satellite equipment provided by the application.

[0066] It should be understood that in the above structural diagram, the size and shape of each block diagram are only for reference and should not constitute an exclusive interpretation of the embodiments of the application. The relative position and inclusion relationship between the block diagrams presented by the structural diagram are only used to represent the structural association between the block diagrams, and do not limit the physical connection method of the embodiments of the application. DETAILED DESCRIPTION

[0067] The technical solutions provided by the present application are further described below with reference to the drawings and examples. It should be understood that the system structure and service scenarios provided in the examples of the present application are mainly to illustrate possible implementation manners of the technical solutions of the present application, and should not be interpreted as the only limitation of the technical solutions of the present application. Those skilled in the art can know that the technical solutions provided by the present application are also applicable to similar technical problems as the system structure evolves and new service scenarios appear.

[0068] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. If there is an inconsistency, the meaning indicated in the specification or derived from the content described in the specification shall prevail. In addition, the terms used herein are only for the purpose of describing the embodiments of the present application and are not intended to limit the present application.

[0069] The embodiments of the present application provide an emergency system suitable for satellite equipment, as shown in Figure 1 The emergency system comprises a solar panel 1, a pipeline device 2, an electromagnetic power generation device 3, an induction heating device 4, a heat dissipation device 5, an electromagnetic pump 6, and an energy storage device 7.

[0070] The pipeline device 2 comprises a serpentine pipeline 21 and a flow pipeline 22 connected in communication; the serpentine pipeline 21 is arranged on the back of the solar panel 1, and the pipeline device 2 is used to connect the solar panel 1, the electromagnetic power generation device 3, the induction heating device 4, the heat dissipation device 5, and the electromagnetic pump 6, so that the flowing working medium can circulate in the pipeline device 2.

[0071] The solar panel 1 and the electromagnetic power generation device 3 are electrically connected with the energy storage device 7, and the energy storage device 7 is electrically connected with the induction heating device 4 and the electromagnetic pump 6, respectively.

[0072] The solar panel 1 is used to convert the absorbed radiant heat into electrical energy input into the energy storage device 7, and heat the serpentine pipeline 21 on the back through heat conduction.

[0073] The energy storage device 7 is used to store electrical energy and provide electrical energy to each device.

[0074] The electromagnetic power generation device 3 is used to generate an electric current by using the flowing working medium flowing in the flow channel, and store the electric current in the energy storage device 7.

[0075] The electromagnetic pump 6 is used to drive the flowing working medium to circulate in the pipeline device 2.

[0076] The induction heating device 4 is used to heat the flowing working medium.

[0077] The heat dissipation device 5 is used to take away the heat in the satellite device by the flowing working medium.

[0078] In the present application, the emergency system is assembled on the satellite device, as shown in the figure. Figure 2 As shown in the figure, the solar panel 1 of the emergency system is the solar panel on the satellite device, the pipeline device 2, the electromagnetic power generation device 3, the induction heating device 4, the electromagnetic pump 6 and the energy storage device 7 are arranged in the satellite device, and the heat dissipation device 5 is arranged on the surface of the satellite device and located on the side facing away from the sun.

[0079] It should be pointed out that the flowing working medium is mainly gallium-indium-tin alloy, which has the characteristic of low melting point, and the melting point is between 6-12°C. Other low melting point metals or alloys can also be selected, such as sodium-potassium alloy with a melting point of -12.5°C, gallium with a melting point of 29.76°C, and other types of liquid metals such as lead-bismuth alloy (melting point 120-150°C). In order to significantly improve its electrical conductivity and thermal conductivity, the present application can also add iron powder, alumina (Al2O3) or silicon dioxide (SiO2) coated magnetic particles and hard magnetic particles to the liquid metal to form a nanofluid.

[0080] For example, when the flowing working medium is a liquid metal of gallium-indium-tin alloy, its melting point is usually between 6-12°C, and the specific melting point depends on the composition ratio of each element in the alloy. In general, since the environmental temperature of outer space is much lower than the melting point of gallium-indium-tin alloy, the flowing working medium can be in a solid state in the outer space environment.

[0081] In this way, the emergency system of the present application integrates the solar panel 1, the pipeline device 2, the electromagnetic power generation device 3, the induction heating device 4, the heat dissipation device 5, the electromagnetic pump 6 and the energy storage device 7, and through the cooperative work between each device, the satellite device can still effectively cope with the severe challenges such as power failure and heat dissipation failure in extreme environments, ensuring the stable operation of the satellite in various complex environments. The emergency system not only improves the emergency response ability and self-protection mechanism of the satellite, but also provides a solid technical guarantee for the successful execution of the satellite mission.

[0082] In some embodiments, the interior of the serpentine pipeline 21 is provided with a plurality of pit structures 11.

[0083] As shown in the figure, the pit structure 11 is a rectangular pit. Figure 3

[0084] Of course, in other embodiments, it can also be a spherical pit or a conical pit, which is not specifically limited here to meet the needs of different scenarios and improve the flexibility of design.

[0085] ​Thus, the concave structure 11 increases the contact area between the flowing working medium and the solar panel 1, thereby improving the heat exchange efficiency and enabling the solar panel 1 to more effectively transfer heat to the flowing working medium. In addition, the concave structure 11 can also resist the influence of excessive expansion of the flowing working medium caused by a sharp change in temperature to some extent, thereby improving the stable operation of the emergency system.

[0086] It should be noted that the heat exchange efficiency can be further improved by changing the shape, size, and distribution density of the concave structure 11.

[0087] In some embodiments, as shown in Figure 3 An expansion joint 12 is arranged at the connection between the serpentine pipe 21 and the flow pipe 22, so that the flowing working medium is discharged from the serpentine pipe 21, passes through the electromagnetic power generation device 3, the induction heating device 4, the heat dissipation device 5, and the electromagnetic pump 6, and finally returns to the serpentine pipe 21 on the back of the solar panel 1 to form a circulation.

[0088] Thus, the use of the expansion joint 12 can compensate for the deformation of the serpentine pipe 21 and the flow pipe 22 caused by thermal expansion and contraction at different temperatures, thereby avoiding the risk of pipe rupture or leakage due to excessive stress and ensuring the safety and reliability of the connection between the pipes.

[0089] In some embodiments, as shown in Figure 4 and Figure 5 The electromagnetic power generation device 3 comprises:

[0090] a flow channel 31 for guiding the flowing working medium;

[0091] a plurality of magnetic poles 32 arranged uniformly on the outer periphery of the flow channel 31 for generating a magnetic field;

[0092] a plurality of coils 33 arranged uniformly on the outer periphery of the flow channel 31 and inside the magnetic poles 32 for generating an induced electromotive force in the coils 33 according to Faraday's law of electromagnetic induction when the flowing working medium moves in the magnetic field;

[0093] an external circuit 35 arranged on one of the magnetic poles 32 for collecting the current generated by electromagnetic induction and transmitting electrical energy to the energy storage device 7; wherein the external circuit 35 is electrically connected to the coils and the energy storage device 7, respectively;

[0094] wherein the movement of the flowing working medium in the magnetic field causes a change in the magnetic flux in the coils 33, thereby generating an induced electromotive force and driving a current through the coils 33 and the external circuit 35 to achieve energy conversion.

[0095] Thus, the movement of the flowing working medium in the magnetic field generates an electric current, which is stored in the energy storage device 7, achieving efficient energy conversion and storage. Moreover, the electromagnetic power generation device 3 does not require traditional mechanical components (such as physical rotors), reducing the possibility of wear and failure, not only prolonging the service life, but also being particularly suitable for long-term unattended space applications.

[0096] For the sake of clarity, Figure 5 Only one coil 33 is shown in the figure, and the other coils 33 are not shown.

[0097] In some embodiments, as Figure 6 The induction heating device 4 includes, as shown in the figure:

[0098] A liquid storage tank 41 for storing the flowing working medium, which is provided with an inlet 43 and an outlet 44, so that the flowing working medium enters and exits the liquid storage tank 41;

[0099] A heating element 42 wound outside the liquid storage tank 41 or arranged in the wall thickness of the liquid storage tank 41, for heating the liquid storage tank 41 to make the flowing working medium flow.

[0100] In example 1, the heating element 42 can be a resistance wire, which is wound outside the liquid storage tank 41.

[0101] In example 2, the heating element 42 can be an electric heating film, which is a thin heating element that can be directly attached to the inner wall or outer wall of the liquid storage tank 41. The electric heating film has the advantages of uniform heating, fast response, easy installation, etc., and is particularly suitable for space-limited occasions.

[0102] The present application provides various heating methods, and different types of heating elements 42 have different heating efficiencies and characteristics. The appropriate heating element 42 can be selected according to the actual needs to achieve the best heating effect. In other words, in actual situations, the specific needs can be selected to improve the flexibility and adaptability of the emergency system to meet the needs of different scenarios.

[0103] It is worth noting that, Figure 6 Only this embodiment in which the heating element 42 can be a resistance wire is shown, and the embodiment in which the heating element 42 is arranged in the wall thickness of the liquid storage tank 41 is not shown.

[0104] Thus, due to the extremely low temperature of the space environment, the flowing working medium in the liquid storage tank 41 cannot maintain a flowing state. Therefore, the induction heating device 4 must be powered by the energy storage device 7, and the flowing working medium in the liquid storage tank 41 must be heated by starting the heating element 42 to ensure that the flowing working medium can flow smoothly in the pipeline device 2.

[0105] In some embodiments, the emergency system further comprises a temperature sensor. Specifically, the temperature sensor is embedded inside the liquid storage tank 41 or close to the wall thickness of the liquid storage tank 41 to directly monitor the temperature of the flowing working medium in the liquid storage tank 41. When the flowing working medium reaches the melting point, the emergency system stops heating the liquid storage tank 41.

[0106] In some embodiments, as shown in FIG. 1, the electromagnetic pump 6 comprises: Figure 7

[0107] a transmission pipe 61 for guiding the flowing working medium;

[0108] an inner core 62 located at the center of the electromagnetic pump 6 and arranged in the transmission pipe 61 for generating a magnetic field;

[0109] a primary core 63 arranged outside the transmission pipe 61 and surrounding the transmission pipe 61 for generating a magnetic field.

[0110] Specifically, the working principle of the electromagnetic pump 6 is as follows: according to the law of electromagnetic induction, an electromotive force is generated when a conductor moves in a magnetic field or a magnetic field passes through a conductor, thereby causing an electric current. In this application, when the energy storage device 7 supplies power to the electromagnetic pump 6, the alternating magnetic field generated in the primary core 63 and the inner core 62 causes an induced current in the transmission pipe 61. These currents interact with the magnetic field to generate a force, which in turn drives the flow of liquid metal in the pipe.

[0111] In this way, the reasonable arrangement of the inner core 62 and the primary core 63 enables the electromagnetic pump 6 to generate a stronger magnetic field, thereby improving the driving capacity and efficiency of the pump.

[0112] In some embodiments, the wall thickness of the transmission pipe 61 is set to 8-16 mm.

[0113] In this way, the wall thickness of the transmission pipe 61 is set to 8-16 mm in this application. This thickness range can meet certain pressure requirements and ensure the safe and stable flow of the flowing working medium in the transmission pipe 61. This thickness range also helps to optimize the heat conduction efficiency and reduce energy loss.

[0114] Of course, in actual applications, the wall thickness of the transmission pipe 61 can also be set to other values. For example, the wall thickness of the transmission pipe 61 is set to 7 mm. That is, it can be set according to specific needs to meet the needs of different scenarios, thereby improving the flexibility of the emergency system.

[0115] In some embodiments, the gap between the inner core 62 and the transmission pipe 61 is a pump groove gap 64, which is set to 5-8 mm.

[0116] ​Therefore, the appropriate pump groove gap 64 helps to reduce the resistance of the fluid during transmission and improve flow efficiency. A gap width of 5-8 mm can ensure sufficient fluid passage while reducing unnecessary energy loss, allowing the electromagnetic pump 6 to more efficiently drive the circulating working fluid in the pipeline system.

[0117] Of course, in actual applications, the size of the pump groove gap 64 can also be set to other values. For example, the pump groove gap 64 is set to 10 mm. That is, it can be set according to specific needs to meet the needs of different scenarios, improving the flexibility of the emergency system.

[0118] In some embodiments, the heat dissipation device 5 comprises:

[0119] A heat dissipation plate is arranged on the surface of the satellite device and located on the side facing away from the sun;

[0120] A flow pipeline 22 is arranged around the heat dissipation device inside the satellite device and is in communication with the pipeline inside the heat dissipation plate;

[0121] The working fluid absorbs and carries heat from the heat dissipation device and is transported to the heat dissipation plate on the side of the satellite surface facing away from the sun to radiate heat to outer space. On the other hand, the heat provided by the heat dissipation device can also be used to maintain the working fluid in a liquid state.

[0122] Therefore, the present application can efficiently transfer the heat generated by the heat dissipation device to the heat dissipation plate, which is arranged on the side of the satellite surface facing away from the sun, reducing the interference of additional radiant heat from the sun, allowing the heat dissipation plate to more effectively radiate heat to outer space in the form of radiation, thereby optimizing the heat dissipation performance and ensuring the stability of the internal temperature of the satellite device.

[0123] Note that the heat dissipation plate is located on the side facing away from the sun because this position can maximize the avoidance of additional heat from direct sunlight, preventing these heat from offsetting the heat dissipation effect of the heat dissipation plate.

[0124] For example, the pipeline inside the heat dissipation plate can be designed in a serpentine shape, similar to the serpentine pipeline shown in Figure 3 The serpentine pipeline significantly increases the flow path length of the working fluid inside the heat dissipation plate by making multiple turns in a limited space. The serpentine pipeline can also be more evenly distributed inside the heat dissipation plate, ensuring that the working fluid can efficiently absorb and dissipate heat, avoiding the problem of local overheating or uneven heat dissipation.

[0125] In some embodiments, an expansion joint can be used at the connection between the flow pipeline 22 and the pipeline inside the heat dissipation plate to compensate for the deformation of the pipeline due to thermal expansion and contraction at different temperatures, ensuring the reliability of the connection.

[0126] The working principle of the emergency system of the present application will be described as follows:

[0127] Before the emergency system is started, take the liquid metal of gallium indium tin alloy as an example, whose melting point is usually between 6-12°C. Since it is in the space environment, the temperature is low, far below the melting point of gallium indium tin alloy, therefore, the flowing working medium is in a non-flowing state, that is, the flowing working medium is stored in the serpentine pipe 21 arranged on the back of the solar panel 1, each flow pipe 22 and the liquid tank 41 in solid state.

[0128] It is worth noting that even if the flowing working medium in each flow pipe 22 is initially in a solid state, when the flowing working medium in the serpentine pipe 21 and the flowing working medium in the liquid tank 41 reach the melting point and begin to flow, they will gradually transfer heat to the solid flowing working medium in the flow pipe 22, gradually making it also reach the melting point and enter the flowing state. Eventually, the flowing working medium of the entire emergency system will be heated to the melting point and begin to circulate.

[0129] After the emergency system is automatically started, the specific process is as follows:

[0130] Firstly, the solar panel 1 directly faces the sun radiation, absorbs light energy and converts it into electrical energy, and stores the electrical energy in the energy storage device 7, at the same time, the serpentine pipe 21 arranged on the back is used to heat the flowing working medium, the heating is to make the flowing working medium higher than the melting point, melt into liquid state and begin to flow. At the same time, the energy storage device 7 supplies power to the induction heating device 4, because the temperature in the space environment is too low, the flowing working medium in the liquid tank 41 cannot maintain the flowing state, the energy storage device 7 supplies power to the induction heating device 4, starts the heating element 42, and stops heating after the flowing working medium reaches the melting point and completely melts, to ensure that the flowing working medium can flow smoothly in the pipeline;

[0131] Then, the flowing working medium passes through the electromagnetic power generation device 3, the movement of the flowing working medium in the magnetic field causes the magnetic flux in the coil 33 to change, thereby generating an induced electromotive force and driving current through the coil 33 and the external circuit 35, realizing energy conversion, that is, using the flowing working medium flowing in the flow pipe 31 to generate current, and storing it in the energy storage device 7.

[0132] The energy storage device 7 as a power supply device, supplies power to the electromagnetic pump 6. The electromagnetic pump 6 as a power source, drives the flowing working medium in the entire pipeline device 2 to circulate;

[0133] Note that the heat dissipation device in the satellite device generally refers to a high-power device that needs to be efficiently cooled to maintain normal operating temperature. The heat dissipation device generates a large amount of heat during operation, and the temperature thereof can be as high as several hundred degrees Celsius, which is much higher than the temperature of the flowing working medium. Therefore, the flowing working medium (liquid metal of gallium-indium-tin alloy) carries away the heat generated by the heat dissipation device. For example, the temperature of a semiconductor laser used for laser ranging can reach 150℃ when the power output is high. Therefore, the flowing working medium can be used to flow through the flow channel 22 arranged around the heat dissipation device in the satellite device, absorb the heat generated by the heat dissipation device, and then be transported to the heat dissipation plate located on the side of the satellite surface opposite to the sun. In the flow channel 22 arranged inside the heat dissipation plate, the flowing working medium continues to flow and radiates heat to outer space in the form of radiation through the large-area surface of the heat dissipation plate.

[0134] Finally, after the heat is dissipated through the heat dissipation plate, the cooled flowing working medium returns to the serpentine-shaped pipeline 21 on the back of the solar panel 1 to complete a complete circulation path. The serpentine-shaped pipeline 21 is internally arranged with a dimple structure 11, which enhances the heat exchange efficiency between the flowing working medium and the solar panel 1 and can resist the influence of excessive expansion rate of the flowing working medium caused by the sharp change in temperature. The connection between the serpentine-shaped pipeline 21 and the flow channel 22 is provided with an expansion joint 12 for compensating the deformation of the pipeline caused by thermal expansion and cold contraction at different temperatures, thereby ensuring the reliability of the connection.

[0135] Since the solar panel can always convert energy into electrical energy, after the emergency system is started for the first time, the emergency system can always be in a working state, on the one hand, the energy of the energy storage device 7 is full, and on the other hand, the flowing state of the flowing working medium can be maintained, so that the emergency system can realize the heat dissipation and even supply power to the satellite through the energy storage device 7 when the satellite device encounters power failure and / or heat dissipation failure.

[0136] In some other embodiments, the emergency system can be started only when the satellite device encounters power failure and / or heat dissipation failure, so that the heat dissipation and even the power supply to the satellite through the energy storage device 7 can be realized when the flowing working medium is in a liquid state within a certain time.

[0137] The embodiment of the present application provides an emergency method suitable for a satellite device, as shown in the accompanying drawings, which comprises the steps of: Figure 8 As shown in the accompanying drawings, the emergency method suitable for a satellite device comprises the steps of:

[0138] S601, when the satellite device encounters power failure and / or heat dissipation failure, the emergency system is started; or after the emergency system is started for the first time, the emergency system is always in an open state;

[0139] S602, the radiation heat absorbed by the solar panel 1 is converted into electrical energy input into the energy storage device 7, and the back of the serpentine pipeline 21 is heated through heat conduction;

[0140] S603, the flowing working medium in the serpentine pipeline 21 starts to flow after being heated, and the pipeline device 2 is connected to each device to form a circulating flow path;

[0141] S604, the flowing working medium flows in the flow channel 31 of the electromagnetic power generation device 3, and the generated electrical energy is stored in the energy storage device 7;

[0142] S605, the energy storage device 7 supplies power to the electromagnetic pump 6, and the electromagnetic pump 6 drives the flowing working medium to continuously circulate in the entire pipeline device 2 as a power source;

[0143] S606, the energy storage device 7 supplies power to the induction heating device 4, and the heating element 42 heats the liquid storage tank 41 to make the flowing working medium flow;

[0144] S607, the heat dissipation device 5 uses the flowing working medium to take away the heat generated by the satellite equipment.

[0145] In this way, through the cooperative work between each device, the satellite equipment can still effectively cope with the severe challenges such as power failure and heat dissipation failure in extreme environments, and ensure the stable operation of the satellite in various complex environments. The emergency system not only improves the emergency response ability and self-protection mechanism of the satellite, but also provides a solid technical guarantee for the successful execution of the satellite mission.

[0146] It is worth noting that when the normal power supply and heat dissipation requirements of the satellite equipment are met, the emergency system is usually in standby state.

[0147] In addition, the words "first, second, third, etc." or module A, module B, module C and the like in the specification and claims are only used to distinguish similar objects, and do not represent a specific order of the objects. It can be understood that the specific order or sequence can be interchanged as allowed, so that the application described herein can be implemented in an order other than that illustrated or described herein.

[0148] In the above description, the labels indicating the steps, such as S110, S120, etc., do not necessarily mean that the steps are executed in this order, and the order of the steps can be interchanged or executed simultaneously as allowed.

[0149] The term "comprising" as used in the specification and in claims includes everything within the scope of the word "comprising" and does not exclude other elements or steps. Thus, it should be interpreted to cover the terms "consisting of" or "consisting essentially of" in addition to "comprising". Accordingly, the expression "a device comprising means A and B" should not be interpreted as being confined to devices consisting only of component A and B, but also to devices consisting of only component A or of only component B, or devices consisting of more than one component A and more than one component B.

[0150] Reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the application. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment, but can refer to different embodiments. Furthermore, the particular features, structures, or characteristics can be combined in any suitable manner in one or more embodiments.

[0151] It is noted that the foregoing are merely preferred embodiments of the present application and the principles of technology used. It is understood by those skilled in the art that the present application is not limited to the specific embodiments described herein, and that various obvious changes, adjustments and substitutions can be made by those skilled in the art without departing from the scope of the present application. Therefore, although the present application has been described in detail through the above embodiments, the present application is not limited to the above embodiments, and more other equivalent embodiments can be included without departing from the concept of the present application, and all fall within the scope of the present application.

Claims

1. An emergency system suitable for satellite equipment, characterized in that, include: Solar panel (1), piping system (2), electromagnetic power generation device (3), induction heating device (4), heat dissipation device (5), electromagnetic pump (6), and energy storage device (7). The pipeline device (2) includes a serpentine pipeline (21) and a flow pipeline (22) connected together; wherein, the serpentine pipeline (21) is disposed on the back of the solar panel (1), and the pipeline device (2) is used to connect the solar panel (1), the electromagnetic power generation device (3), the induction heating device (4), the heat dissipation device (5), and the electromagnetic pump (6) so that the working fluid can circulate within the pipeline device (2); The solar panel (1) and the electromagnetic power generation device (3) are both electrically connected to the energy storage device (7), and the energy storage device (7) is electrically connected to the induction heating device (4) and the electromagnetic pump (6) respectively. The solar panel (1) is used to convert the absorbed radiant heat into electrical energy and input it into the energy storage device (7), and heat the serpentine pipe (21) on the back side through heat conduction; The energy storage device (7) is used to store electrical energy and provide electrical energy to various devices; The electromagnetic power generation device (3) is used to generate current by using a fluid working medium flowing in a flow channel and store it in the energy storage device (7); The electromagnetic pump (6) is used to drive the working fluid to circulate within the pipeline device (2); The induction heating device (4) is used to heat the flowing working fluid; The heat dissipation device (5) is used to remove heat from the satellite equipment using the flowing working fluid.

2. The emergency system according to claim 1, characterized in that, The serpentine pipe (21) has multiple recessed structures (11) inside.

3. The emergency system according to claim 1, characterized in that, An expansion joint (12) is provided at the connection between the serpentine pipe (21) and the flow pipe (22) so that the working fluid starts from the serpentine pipe (21), passes through the electromagnetic power generation device (3), the induction heating device (4), the heat dissipation device (5), and the electromagnetic pump (6), and finally returns to the serpentine pipe (21) on the back of the solar panel (1) to form a cycle.

4. The emergency system according to claim 1, characterized in that, The electromagnetic power generation device (3) includes: Flow channel (31) is used to guide the flowing working medium through; Multiple magnetic poles (32) are uniformly arranged on the outer periphery of the flow channel (31) to generate a magnetic field; Multiple coils (33) are evenly arranged on the outer periphery of the flow channel (31) and inside the magnetic pole (32) to generate an induced electromotive force in the coils (33) according to Faraday's law of electromagnetic induction when the flowing working fluid moves in the magnetic field. An external circuit (35) is disposed on one of its magnetic poles (32) for collecting current generated by electromagnetic induction and transmitting electrical energy to the energy storage device (7); wherein the external circuit (35) is electrically connected to the coil and the energy storage device (7) respectively; The movement of the fluid in the magnetic field causes a change in the magnetic flux in the coil (33), thereby generating an induced electromotive force and driving current through the coil (33) and the external circuit (35) to achieve energy conversion.

5. The emergency system according to claim 1, characterized in that, The induction heating device (4) includes: A liquid storage tank (41) is used to store a fluid, and has an inlet (43) and an outlet (44) to allow the fluid to enter and exit the liquid storage tank (41). Heating element (42) is wound around the outside of the liquid storage tank (41) or disposed within the wall thickness of the liquid storage tank (41) for heating the liquid storage tank (41) to make the working fluid flow.

6. The emergency system according to claim 1, characterized in that, The electromagnetic pump (6) includes: A transmission pipe (61) is used to guide the flowing working medium through; The inner core (62) is located at the center of the electromagnetic pump (6) and is installed inside the transmission pipe (61) to generate a magnetic field; A primary iron core (63) is disposed outside the transmission pipe (61) and arranged around the transmission pipe (61) for generating a magnetic field.

7. The emergency system according to claim 6, characterized in that, The wall thickness of the transmission pipe (61) is set to 8~16mm.

8. The emergency system according to claim 6, characterized in that, The gap between the inner core (62) and the transmission pipe (61) is a pump groove gap (64), which is set to 5~8mm.

9. The emergency system according to claim 1, characterized in that, The heat dissipation device (5) includes: A heat sink is installed on the surface of the satellite equipment and located on the side facing away from the sun. The circulation pipe (22) is laid around the heat dissipation equipment inside the satellite equipment and is connected to the pipe inside the heat dissipation plate; The fluid is used to absorb and carry heat from the heat dissipation device and is transported to the heat dissipation plate located on the side of the satellite facing away from the sun, where the heat is dissipated into outer space in the form of radiation.

10. An emergency method for satellite equipment, using an emergency system for satellite equipment as described in any one of claims 1-9, characterized in that, include: The solar panel (1) absorbs radiant heat and converts it into electrical energy, which is input into the energy storage device (7) and heats the serpentine pipe (21) on the back through heat conduction. The working fluid in the serpentine pipe (21) begins to flow after being heated, and is connected to various devices through the pipe device (2) to form a circulating flow path; The working fluid flows in the flow channel (31) of the electromagnetic power generation device (3) and stores the generated electrical energy in the energy storage device (7); The energy storage device (7) supplies power to the electromagnetic pump (6), which in turn drives the working fluid to circulate continuously throughout the pipeline device (2). The energy storage device (7) supplies power to the induction heating device (4), so that the heating element (42) heats the liquid storage tank (41) and causes the working fluid to flow. The heat dissipation device (5) uses a flowing working fluid to remove the heat generated by the satellite equipment.

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