CN110928196A - Double-star combined test energy simulation and monitoring system - Google Patents
Double-star combined test energy simulation and monitoring system Download PDFInfo
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- CN110928196A CN110928196A CN201911060933.9A CN201911060933A CN110928196A CN 110928196 A CN110928196 A CN 110928196A CN 201911060933 A CN201911060933 A CN 201911060933A CN 110928196 A CN110928196 A CN 110928196A
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Abstract
The invention provides a double-satellite combined test energy simulation and monitoring system, which comprises an energy simulation subsystem and a test data acquisition and control subsystem, wherein the energy simulation subsystem can simulate a volt-ampere characteristic curve output by a solar cell array and supply power and charge a satellite in a satellite test; the test data acquisition and control subsystem can control and monitor the satellite state; the energy simulation subsystem is connected with the test data acquisition and control subsystem, the test data acquisition and control subsystem is respectively connected with the first satellite and the second satellite through a unplugging cable to realize charging and power supply, and the test data acquisition and control subsystem is connected with the first satellite and the second satellite in a wired or wireless mode to realize control signal transmission and state monitoring; when the first satellite is connected with the second satellite through the interface module, joint testing of the two satellites is achieved; when the first satellite is not connected with the second satellite, the two satellites are tested independently.
Description
Technical Field
The invention relates to the technical field of satellite ground testing, in particular to a double-satellite combined testing energy source simulation and monitoring system.
Background
The design principle of the double-satellite combined test is that a set of system is built during double-satellite combination, so that the energy sources of the satellite 1 and the satellite 2 can be simulated at the same time, the energy sources can be monitored and controlled, and the independent or combined test requirements of the satellite 1 and the satellite 2 are met. Before the separation of the double satellites, the ground launch control console only supplies energy to the satellite table of the satellite 1, the satellite 1 supplies energy to the satellite 2 through a double-satellite cable, and the exchange of double-satellite information is completed; after separation, the satellite 2 is supplied with energy by its own solar cell array. In order to complete the satellite test in a short time and at low cost and ensure the reasonable and optimal design of the test scheme, a double-satellite combined test energy simulation and monitoring system is designed.
Patent document No. CN105207339A discloses a power supply device for a satellite ground simulation system, which includes a silver-zinc battery pack, an external power manager, a lead-acid battery pack, a charging device, a dc conversion combination, a charging and discharging management module, a power distribution box, a voltage/current meter, a dual-function power switch and a remote controller; the direct current conversion combination is in electric signal connection with the direct current conversion combination, and the charging and discharging management module is in electric signal connection with the voltage ammeter, the direct current conversion combination, the silver-zinc battery pack, the external power supply manager, the lead-acid storage battery pack and the dual-function power supply switch respectively; during static debugging, an external power supply is connected into an external power supply manager, and the external power supply is adopted for supplying power at the moment, so that the electric power of the silver-zinc battery pack and the lead-acid battery pack is not consumed; in the formal dynamic test, the silver-zinc battery pack and the lead-acid battery pack are used for supplying power, after the test is finished, the 220V power supply is connected to the charging device, and the battery pack is managed by the charging and discharging management module to be charged. However, this solution can only provide the power supply device, and cannot monitor the state information of the satellite ground simulation system after the power supply device supplies power to the satellite ground simulation system.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a double-star combined test energy simulation and monitoring system.
The double-satellite combined test energy simulation and monitoring system comprises an energy simulation subsystem and a test data acquisition and control subsystem, wherein the energy simulation subsystem can simulate a volt-ampere characteristic curve output by a solar cell array and supplies and charges a satellite in a satellite test; the test data acquisition and control subsystem can control and monitor the satellite state;
the energy simulation subsystem is connected with the test data acquisition and control subsystem, the test data acquisition and control subsystem is respectively connected with the first satellite and the second satellite through a unplugging cable to realize charging and power supply, and the test data acquisition and control subsystem is connected with the first satellite and the second satellite in a wired or wireless mode to realize control signal transmission and state monitoring;
when the first satellite is connected with the second satellite through the interface module, joint testing of the two satellites is achieved; when the first satellite is not connected with the second satellite, the two satellites are tested independently.
Preferably, the energy simulation subsystem comprises a power module, a power distribution module and a controller module, wherein the power distribution module and the controller module are respectively connected with the power module, and the power module is connected with the test data acquisition and control subsystem;
the power distribution module is used as an external input/output interface and can provide alternating current power supply for the power supply module;
the power supply module can simulate the power supply output of a satellite solar battery array and supply power to and charge the satellite in the satellite electric test;
the controller module can run power supply monitoring software and is connected with the power supply module through a network to set and monitor the output voltage, the current and the shadow illumination curve of the power supply module.
Preferably, the power supply monitoring software comprises an analog array output control module, an analog array protection and abnormity alarm module, a first data acquisition and processing module and a first data communication module;
the analog array output control module comprises a power supply array and charging array output control assembly, a trickle array output control assembly, a plug-in power supply output control assembly and an analog image-feed control assembly;
the analog array protection and abnormity alarm module comprises an overvoltage and overcurrent protection setting component, a protection state display component, a network communication abnormity alarm component and a module work abnormity alarm component;
the first data acquisition and processing module comprises a module voltage and current acquisition component, a data storage component and a data real-time display component;
the first data communication module comprises a component for sending collected data to the server and a component for receiving server instruction data.
Preferably, the power supply monitoring software has a remote control mode and a local control mode.
Preferably, the test data acquisition and control subsystem comprises data acquisition and control equipment, signal conditioning equipment and a transfer box, the data acquisition and control equipment is sequentially connected with the signal conditioning equipment and the transfer box, the transfer box is connected with the satellite through a unplugged cable, and the transfer box is connected with the energy simulation subsystem;
the data acquisition and control equipment comprises a main controller, an output control module, a level acquisition module, a state quantity sampling module and an analog quantity acquisition module, and is provided with and runs data acquisition and control software;
the signal conditioning equipment can finish signal conditioning and electrical interface adaptation of data acquisition and control equipment;
and the transfer box is configured according to the task requirement of each satellite.
Preferably, the data acquisition and control software comprises a satellite state control module, a second data acquisition and processing module and a second data communication module;
the satellite state control module comprises a satellite electric shock signal control assembly, a satellite pulse signal control assembly and a power supply output control assembly which is separated from and inserted;
the second data acquisition and processing module comprises a satellite analog quantity acquisition component, a satellite state quantity acquisition component and a satellite level signal acquisition component;
the second data communication module comprises a component for sending collected data to the server and a component for receiving server instruction data.
Preferably, the signal conditioning equipment is capable of classifying the contacts of the satellite downlink test cable according to source and type; the source comprises the satellite and the ground; the types comprise analog quantity and state quantity.
Preferably, the test data acquisition and control subsystem is in signal connection with a satellite; the test data acquisition and control subsystem is connected with the comprehensive test server, the monitoring terminal and the general control terminal through a test local area network;
the test data acquisition and control subsystem can receive a remote control instruction transmitted by the comprehensive test server or send a control instruction on a local interface, control the output of a ground analog array, on-board single-machine switching on and off, off-plug and off-plug separation and on-off of an on-board power supply discharge switch, and locally display, record and send the instruction execution condition to the comprehensive test server;
the test data acquisition and control subsystem can receive a satellite plug-in state signal, a satellite plug-out state signal, a satellite plug-in state signal, a ground analog array on-off state signal and a satellite single-machine switch state signal, and locally indicates, records and sends the state to the integrated test server;
the test data acquisition and control subsystem can sample the output voltage and current of the on-board bus and the output voltage of the storage battery pack, and displays numerical values, records and sends the numerical values to the comprehensive test server locally.
Preferably, the energy simulation subsystem has a multi-path power supply capability.
Compared with the prior art, the invention has the following beneficial effects:
the energy simulation subsystem is used for simulating a volt-ampere characteristic curve output by a solar cell array, supplying power to and charging the whole satellite in a satellite electric test, and has the function of simulating the satellite to enter and exit a shadow; the test data acquisition and control subsystem controls the on-off state of the satellite through the falling plug and the separation plug; on-off control is carried out on a power supply path of a drop-off and separation power supply through a drop-off and separation relay, on-satellite state quantity signals and analog quantity signals are collected, displayed and broadcasted to a comprehensive testing network; the invention provides energy for double-satellite combined or single-satellite testing, monitors a satellite power supply system and satellite-borne key equipment, and is an important guarantee for double-satellite testing and successful launching.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a block diagram of a two-satellite combined test energy simulation and monitoring system according to the present invention.
FIG. 2 is a schematic block diagram of an energy simulation subsystem of the present invention.
Fig. 3 is a functional structure diagram of the power supply monitoring software of the control module of the energy simulation subsystem.
FIG. 4 is a functional block diagram of a test data acquisition and control subsystem according to the present invention.
FIG. 5 is a functional block diagram of the data acquisition and control software for testing the operation of the data acquisition and control subsystem according to the present invention.
FIG. 6 is a signal conditioning circuit diagram of the data acquisition and control subsystem of the present invention: and the satellite contact signal state indicating circuit.
FIG. 7 is a signal conditioning circuit diagram of the data acquisition and control subsystem of the present invention: an analog separation status indication circuit.
FIG. 8 is a signal conditioning circuit diagram of the data acquisition and control subsystem of the present invention: on-satellite voltage analog quantity sampling circuit.
FIG. 9 is a signal conditioning circuit diagram of the data acquisition and control subsystem of the present invention: the discharge switch turns off the control circuit.
FIG. 10 is a signal conditioning circuit diagram of the data acquisition and control subsystem of the present invention: and a power supply shunt array on/off control circuit.
FIG. 11 is a signal conditioning circuit diagram of the data acquisition and control subsystem of the present invention: and a falling separation control circuit.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the invention. All falling within the scope of the present invention.
In order to complete the satellite test in a short time and at low cost and ensure the reasonable and optimal design of the test scheme, a double-satellite combined test energy simulation and monitoring system is designed.
The invention provides a double-satellite combined test energy simulation and monitoring system which comprises an energy simulation subsystem and a test data acquisition and control subsystem, wherein the energy simulation subsystem can simulate a volt-ampere characteristic curve output by a solar cell array and supplies and charges a satellite in a satellite test; the test data acquisition and control subsystem can control and monitor the satellite state; the energy simulation subsystem is connected with the test data acquisition and control subsystem, the test data acquisition and control subsystem is respectively connected with the first satellite and the second satellite through a unplugging cable to realize charging and power supply, and the test data acquisition and control subsystem is connected with the first satellite and the second satellite in a wired or wireless mode to realize control signal transmission and state monitoring; when the first satellite is connected with the second satellite through the interface module, joint testing of the two satellites is achieved; when the first satellite is not connected with the second satellite, the two satellites are tested independently. The plug-off cable is connected with the satellite through the plug-off and the plug-off.
The energy simulation subsystem comprises a power module, a power distribution module and a controller module, wherein the power distribution module and the controller module are respectively connected with the power module, and the power module is connected with the test data acquisition and control subsystem; the power distribution module is used as an external input/output interface and can provide alternating current power supply for the power supply module; the power supply module can simulate the power supply output of a satellite solar battery array and supply power to and charge the satellite in the satellite electric test; the controller module can run power supply monitoring software and is connected with the power supply module through a network to set and monitor the output voltage, the current and the shadow illumination curve of the power supply module.
The power supply monitoring software comprises an analog array output control module, an analog array protection and abnormity alarm module, a first data acquisition and processing module and a first data communication module; the analog array output control module comprises a power supply array and charging array output control assembly, a trickle array output control assembly, a plug-in power supply output control assembly and an analog image-feed control assembly; the analog array protection and abnormity alarm module comprises an overvoltage and overcurrent protection setting component, a protection state display component, a network communication abnormity alarm component and a module work abnormity alarm component; the first data acquisition and processing module comprises a module voltage and current acquisition component, a data storage component and a data real-time display component; the first data communication module comprises a component for sending collected data to the server and a component for receiving server instruction data. The power supply monitoring software has a remote control mode and a local control mode. Preferably, the power supply module consists of 18 Agilent standard power supplies, is responsible for power supply output and drop separation power supply, and has a network communication function; the controller module runs local monitoring software, is connected with the power supply module in a network mode, sets and monitors the output voltage, the current and the shadow illumination curve of the power supply module, is in network communication with the test server, and receives a remote control instruction to set and monitor; the standard cabinet (including the distribution box) provides an external environment for system integration, and requirements on equipment installation, placement, transportation, power supply, operation, heat dissipation and the like are met.
The test data acquisition and control subsystem comprises data acquisition and control equipment, signal conditioning equipment and a transfer box, wherein the data acquisition and control equipment is sequentially connected with the signal conditioning equipment and the transfer box, the transfer box is connected with a satellite through a unplugging cable, and the transfer box is connected with the energy simulation subsystem; the data acquisition and control equipment comprises a main controller, an output control module, a level acquisition module, a state quantity sampling module and an analog quantity acquisition module, and is provided with and runs data acquisition and control software; the signal conditioning equipment can finish signal conditioning and electrical interface adaptation of data acquisition and control equipment; and the transfer box is configured according to the task requirement of each satellite. The transfer box is used for connecting the signal conditioning equipment and the satellites, and is configured differently according to different task requirements of each satellite.
The data acquisition and control software comprises a satellite state control module, a second data acquisition and processing module and a second data communication module; the satellite state control module comprises a satellite electric shock signal control assembly, a satellite pulse signal control assembly and a power supply output control assembly which is separated from and inserted; the second data acquisition and processing module comprises a satellite analog quantity acquisition component, a satellite state quantity acquisition component and a satellite level signal acquisition component; the second data communication module comprises a component for sending collected data to the server and a component for receiving server instruction data.
The signal conditioning equipment can classify the contacts of the satellite downlink test cable according to sources and types; the source comprises the satellite and the ground; the types comprise analog quantity and state quantity.
The test data acquisition and control subsystem is in signal connection with a satellite; the test data acquisition and control subsystem is connected with the comprehensive test server, the monitoring terminal and the general control terminal through a test local area network; the test data acquisition and control subsystem can receive a remote control instruction transmitted by the comprehensive test server or send a control instruction on a local interface, control the output of a ground analog array, on-board single-machine switching on and off, off-plug and off-plug separation and on-off of an on-board power supply discharge switch, and locally display, record and send the instruction execution condition to the comprehensive test server; the test data acquisition and control subsystem can receive a satellite plug-in state signal, a satellite plug-out state signal, a satellite plug-in state signal, a ground analog array on-off state signal and a satellite single-machine switch state signal, and locally indicates, records and sends the state to the integrated test server; the test data acquisition and control subsystem can sample the output voltage and current of the on-board bus and the output voltage of the storage battery pack, and displays numerical values, records and sends the numerical values to the comprehensive test server locally.
The energy simulation subsystem has multi-path power supply capacity. The first satellite and the second satellite are ground simulation satellites. Preferably, the energy simulation subsystem has 20 power supply capacities of two satellites, 16 power supplies of the first satellite and 4 power supplies of the second satellite, the output ripple Vp-p is less than 400mV, the output current capacity of each power supply is not less than 6.0A under the condition that the output voltage of each power supply is 60V, and the long-distance test time length cable voltage drop requirement is met. The test data acquisition and control subsystem is provided with 68 paths of first satellite switch control, 68 paths of second satellite switch control, 38 paths of first satellite analog quantity monitoring, 38 paths of second satellite analog quantity monitoring, 36 paths of first satellite contact signal acquisition monitoring, 36 paths of second satellite contact signal acquisition monitoring, 12 paths of first satellite level signal acquisition monitoring and 12 paths of second satellite level signal acquisition monitoring, meets the two control and monitoring modes of local control and remote control, has the joint monitoring of double-star wired signals (analog quantity, state quantity and the like), has the joint control of double-star key equipment (a storage battery discharge switch and the like), has the real-time recording of system acquisition parameters, and sends the system acquisition parameters to the data processing and monitoring equipment according to a data packet format, can carry out real-time monitoring and post analysis, and can give a test report (comprising a receiving command, a state quantity and the like) immediately after the equipment works, Setting parameters, measuring data and the like), has the capability of warning by sound when the acquired data is abnormal or the system works abnormally, and has the automatic rapid self-checking capability.
The invention carries out power supply test by the following steps:
step 1: the energy simulation subsystem is used for simulating a volt-ampere characteristic curve output by a solar cell array, supplying power for double-satellite combination or single-satellite charging in a satellite electric test, and additionally providing a power supply for control power supply for unplugging, dropping and plugging separation, and has a function of simulating satellite shadow entering and exiting;
step 2: the test data acquisition and control subsystem controls the on-off state of the satellite through the falling plug and the separation plug; and on-off control is carried out on a power supply path of the drop-off and separation power supply through the drop-off and separation relay, on-satellite state quantity signals and analog quantity signals are collected, displayed and broadcasted to the comprehensive testing network.
The invention can realize the simultaneous power supply simulation and the satellite state monitoring of two satellites, simultaneously realize the power supply and charging of the two satellites, and simulate the energy output characteristics of the satellites in different periods of orbit under different illumination conditions.
FIG. 1 is a block diagram of a two-satellite combined test energy simulation and monitoring system according to the present invention. FIG. 2 is a schematic diagram of an energy simulation subsystem, which includes a power module, a controller module, and a power distribution box.
The power supply modules are Agilent standard power supply modules E4361A-J02, the control cabinets are E4366A, and two power supply modules can be placed in each control cabinet. E4366A is the main chassis of the E4361A-J02 module, which supports both manual and programmed operation. The multifunctional mobile phone is provided with an operation panel and a display panel, and can conveniently and manually realize full-function operation and visual display of results. E4361A-J02 is a core part of system hardware, is a special direct current power supply device, and has excellent voltage/current output performance indexes. Meanwhile, the solar cell array has the function of simulating a solar cell array. Besides the fixed mode operation mode of the ordinary power supply, the device also supports an emulation mode and a table mode operation mode. This is particularly important for real analog solar array operation.
Fig. 3 is a software function structure diagram of the control module of the energy simulation subsystem. The device comprises an analog array output control module, an analog array protection and abnormity alarm module, a data acquisition and processing module and a data communication module; in a remote control mode, local monitoring software provides local monitoring and direct control functions, and receives a remote control instruction forwarded by the comprehensive test server through network communication; in the local control mode, the local monitoring software provides a monitoring function and a direct control function. The specific functions are as follows:
dynamically configuring a software control interface and current and voltage limiting parameters of corresponding modules according to different satellite selection settings;
the interchangeability and the universality of the front-end module are realized through the IVI bottom layer drive;
the analog array module can be locally or remotely set to output voltage and current, and the output of the module is controlled;
the command in the remote control mode needs to send two commands through remote control software, the front-end module confirms that the contents are compared with the two commands, the two commands are executed after the contents are consistent, and the command execution condition is fed back to the server;
setting illumination and shadow circulation curves according to test requirements, and simulating the process of smooth gradual change of output current in a fuzzy shadow period;
judging the illumination shadow condition according to the existence of output locally, and recording the illumination shadow condition together with the voltage, current, output state and module alarm information of each power module;
and transmitting the voltage, the current, the output state, the module alarm information and the illumination shadow condition of each power module to a comprehensive measurement server in real time, and storing and forwarding the comprehensive measurement server by the server to a monitoring terminal for displaying.
An Agilent 1.6m standard cabinet is selected for the integrated environment, an axial flow fan is arranged at the top of the cabinet, lower air inlet and upper air exhaust are adopted, cooling and ventilation are facilitated, and a wiring groove is formed in the back of the cabinet, so that cables and power lines can be conveniently wired. A distribution box is matched with a cabinet to supply power for equipment, a standardized product 380V-220V power supply control box and a three-phase 220V power supply distributor are selected as the distribution box, a 380V/25A three-phase alternating-current power supply is arranged at the input end of the distribution box, a 3-path 220V/25A single-phase alternating-current power supply is output, each path can ensure the power supply of 3 power hosts (6 modules), and loads of all phases are kept average as much as possible during use.
The front panel of the power control box is provided with a voltage indicator of three 220V power supplies, and the input voltage can be monitored in real time before and during the power-on process of the equipment; an air switch is arranged on the front panel to realize on-off control of an input power supply; in addition, the emergency stop switch can be used for manually and quickly disconnecting the power supply when the power supply is abnormal or the output of the equipment is abnormal.
Fig. 5 is a schematic diagram of a test data acquisition and control subsystem, which is composed of a signal data acquisition and control device, a signal conditioning device, and a transfer box, and fig. 4 is a software functional block diagram.
The signal conditioning equipment module classifies the contacts of the satellite downlink test cable according to the source (on-board/on-ground) and type (analog quantity/state quantity), so as to facilitate the processing of different signals, as shown in fig. 6. The method comprises the following specific steps:
FIG. 6 is a satellite contact signal state indicating circuit, which receives various satellite plug-in state signals, plug-out state signals, plug-in state signals and ground analog array on-off state signals (contacts), supplies power for 28V by itself, and transmits a digital quantity acquisition board card for sampling after optical coupling isolation;
FIG. 7 is an analog separation state indicating circuit for receiving on-board state signals (levels) of switches of various important single machines, and transmitting the signals to a digital quantity acquisition board card for sampling after optical coupling isolation;
FIG. 8 is a star voltage analog sampling circuit, which is connected to the output voltage of the star bus, the output current of the bus, and the output voltage of the storage battery, and is sampled by an analog acquisition card;
FIG. 9 shows the on-board single-machine on-off control of the discharge switch and the on-off control of the discharge switch, which are sent by the switching control output board card, and are sent to the satellite;
fig. 10 and 11 are power supply shunt array on/off control circuit and drop-off separation control circuit, respectively, and ground power supply array, trickle array, drop-off power supply, separation power supply and control command signals for drop-off control and drop-off separation control sent by the switching control output board card;
the specific functions of the data acquisition and control device include:
receiving a remote control instruction forwarded by the comprehensive test server or sending a control instruction on a local interface, controlling the output of a ground analog array, on-board single machine on-off, off-plug and off-plug separation and on-off of an on-board power discharge switch A/B by controlling an output board relay switch, and locally displaying, recording and sending the instruction execution condition to the comprehensive test server;
receiving various plug-in state signals, plug-out state signals, plug-in state signals, ground analog array on-off state signals (contacts), satellite single-machine switch state signals (levels), local indication states, recording and sending to a comprehensive testing server;
and sampling the output voltage and current of the on-board bus and the output voltage of the storage battery pack, displaying numerical values locally, recording and sending to the comprehensive testing server.
The state quantity sampling module adopts an NI digital quantity input board card PXI-6511, is isolated by an optical coupler and supports 64 channels and 0-30 VDC input; 0-4V is low level, and 11-30V is high level. The content acquisition comprises the following steps: sampling various plug-in state signals, plug-out state signals, plug-in state signals and ground analog array on-off state signals (contacts) on the satellite; the optical coupler isolates and samples the state signal (level) of the single on-satellite switch.
The control module adopts an NI switch board card PXI-2568 and 31 independent single-pole single-throw relays, the maximum speed is 145channels/s, the single-channel maximum current is 2A, the maximum voltage is 150V, and the working temperature is 0-55 ℃. The control content comprises: the switch board card controls the on-off of a power supply array power relay (magnetic latching); the switch board card relay controls the on-off of a shedding power supply and a separation power supply power relay (magnetic latching) in the actuator, and controls the on-off of the shedding and the on-off of a separate-insertion separation power relay (electromagnetic); and the switch board card relay controls the on-off of the satellite single machine and controls the on-off of the discharge switch A/B of the satellite storage battery.
The analog quantity acquisition module adopts an NI digital multimeter module PXI-4070 to match with the multiplexer PXI-2527 and is used for acquiring the impedance of the whole satellite, the voltage of a bus, the current of the bus, the voltage of a storage battery pack and the like. The collected data are stored locally and sent to the comprehensive testing server in a network connection mode. The maximum input voltage is 300V, the sampling frequency is 100Channels/s, and the analog quantity voltage acquisition requirement of the test data acquisition and control subsystem can be met.
The invention is characterized in that two satellites are jointly tested, a set of double-satellite joint test energy simulation and monitoring system is established, double-satellite joint or single-satellite load is simulated, a satellite solar cell array system is simulated, energy is provided for double-satellite joint or single-satellite test, wired monitoring is carried out on a satellite power supply system and satellite-borne key equipment, meanwhile, a second satellite can be powered by a first satellite body through interpolation or a second satellite solar cell array, and the solar cell array is a solar cell array on the satellite or a solar cell array simulated by a power module of an energy simulation subsystem.
Those skilled in the art will appreciate that, in addition to implementing the systems, apparatus, and various modules thereof provided by the present invention in purely computer readable program code, the same procedures can be implemented entirely by logically programming method steps such that the systems, apparatus, and various modules thereof are provided in the form of logic gates, switches, application specific integrated circuits, programmable logic controllers, embedded microcontrollers and the like. Therefore, the system, the device and the modules thereof provided by the present invention can be considered as a hardware component, and the modules included in the system, the device and the modules thereof for implementing various programs can also be considered as structures in the hardware component; modules for performing various functions may also be considered to be both software programs for performing the methods and structures within hardware components.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (9)
1. A double-satellite combined test energy simulation and monitoring system is characterized by comprising an energy simulation subsystem and a test data acquisition and control subsystem, wherein the energy simulation subsystem can simulate a volt-ampere characteristic curve output by a solar cell array and supply power and charge a satellite in a satellite test; the test data acquisition and control subsystem can control and monitor the satellite state;
the energy simulation subsystem is connected with the test data acquisition and control subsystem, the test data acquisition and control subsystem is respectively connected with the first satellite and the second satellite through a unplugging cable to realize charging and power supply, and the test data acquisition and control subsystem is connected with the first satellite and the second satellite in a wired or wireless mode to realize control signal transmission and state monitoring;
when the first satellite is connected with the second satellite through the interface module, joint testing of the two satellites is achieved; when the first satellite is not connected with the second satellite, the two satellites are tested independently.
2. The two-star combined test energy simulation and monitoring system according to claim 1, wherein the energy simulation subsystem comprises a power module, a power distribution module and a controller module, the power distribution module and the controller module are respectively connected with the power module, and the power module is connected with the test data acquisition and control subsystem;
the power distribution module is used as an external input/output interface and can provide alternating current power supply for the power supply module;
the power supply module can simulate the power supply output of a satellite solar battery array and supply power to and charge the satellite in the satellite electric test;
the controller module can run power supply monitoring software and is connected with the power supply module through a network to set and monitor the output voltage, the current and the shadow illumination curve of the power supply module.
3. The two-satellite combined test energy simulation and monitoring system according to claim 2, wherein the power monitoring software comprises an analog array output control module, an analog array protection and anomaly alarm module, a first data acquisition and processing module and a first data communication module;
the analog array output control module comprises a power supply array and charging array output control assembly, a trickle array output control assembly, a plug-in power supply output control assembly and an analog image-feed control assembly;
the analog array protection and abnormity alarm module comprises an overvoltage and overcurrent protection setting component, a protection state display component, a network communication abnormity alarm component and a module work abnormity alarm component;
the first data acquisition and processing module comprises a module voltage and current acquisition component, a data storage component and a data real-time display component;
the first data communication module comprises a component for sending collected data to the server and a component for receiving server instruction data.
4. The two-satellite joint test energy simulation and monitoring system according to claim 2 or 3, wherein the power supply monitoring software has a remote control mode and a local control mode.
5. The two-satellite combined test energy simulation and monitoring system according to claim 1, wherein the test data acquisition and control subsystem comprises a data acquisition and control device, a signal conditioning device and a transfer box, the data acquisition and control device is sequentially connected with the signal conditioning device and the transfer box, the transfer box is connected with a satellite through a unplugged cable, and the transfer box is connected with the energy simulation subsystem;
the data acquisition and control equipment comprises a main controller, an output control module, a level acquisition module, a state quantity sampling module and an analog quantity acquisition module, and is provided with and runs data acquisition and control software;
the signal conditioning equipment can finish signal conditioning and electrical interface adaptation of data acquisition and control equipment;
and the transfer box is configured according to the task requirement of each satellite.
6. The two-satellite combined test energy simulation and monitoring system according to claim 5, wherein the data acquisition and control software comprises a satellite state control module, a second data acquisition and processing module, a second data communication module;
the satellite state control module comprises a satellite electric shock signal control assembly, a satellite pulse signal control assembly and a power supply output control assembly which is separated from and inserted;
the second data acquisition and processing module comprises a satellite analog quantity acquisition component, a satellite state quantity acquisition component and a satellite level signal acquisition component;
the second data communication module comprises a component for sending collected data to the server and a component for receiving server instruction data.
7. The dual-satellite combined test energy simulation and monitoring system according to claim 5, wherein the signal conditioning equipment is capable of classifying contacts of the satellite downlink test cable according to source and type; the source comprises the satellite and the ground; the types comprise analog quantity and state quantity.
8. The two-satellite combined test energy simulation and monitoring system according to claim 1, 5 or 6, wherein the test data acquisition and control subsystem is in signal connection with a satellite; the test data acquisition and control subsystem is connected with the comprehensive test server, the monitoring terminal and the general control terminal through a test local area network;
the test data acquisition and control subsystem can receive a remote control instruction transmitted by the comprehensive test server or send a control instruction on a local interface, control the output of a ground analog array, on-board single-machine switching on and off, off-plug and off-plug separation and on-off of an on-board power supply discharge switch, and locally display, record and send the instruction execution condition to the comprehensive test server;
the test data acquisition and control subsystem can receive a satellite plug-in state signal, a satellite plug-out state signal, a satellite plug-in state signal, a ground analog array on-off state signal and a satellite single-machine switch state signal, and locally indicates, records and sends the state to the integrated test server;
the test data acquisition and control subsystem can sample the output voltage and current of the on-board bus and the output voltage of the storage battery pack, and displays numerical values, records and sends the numerical values to the comprehensive test server locally.
9. The two-satellite joint test energy simulation and monitoring system according to claim 1, wherein the energy simulation subsystem has multiple power supply capabilities.
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