CN111769648B - Instruction switching control circuit system of satellite power supply control single machine - Google Patents

Instruction switching control circuit system of satellite power supply control single machine Download PDF

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Publication number
CN111769648B
CN111769648B CN202010761066.8A CN202010761066A CN111769648B CN 111769648 B CN111769648 B CN 111769648B CN 202010761066 A CN202010761066 A CN 202010761066A CN 111769648 B CN111769648 B CN 111769648B
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pole double
switch
instruction
throw switch
end interface
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CN111769648A (en
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朴海国
徐军
邹元威
曹程
施嘉昊
陈德华
许祺峰
王永康
黄旭
肖瑾
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Shanghai Institute of Space Power Sources
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Shanghai Institute of Space Power Sources
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
    • H02J13/00036—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/40—Testing power supplies
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J1/00—Circuit arrangements for dc mains or dc distribution networks
    • H02J1/08—Three-wire systems; Systems having more than three wires
    • H02J1/082—Plural DC voltage, e.g. DC supply voltage with at least two different DC voltage levels
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J1/00—Circuit arrangements for dc mains or dc distribution networks
    • H02J1/08—Three-wire systems; Systems having more than three wires
    • H02J1/084—Three-wire systems; Systems having more than three wires for selectively connecting the load or loads to one or several among a plurality of power lines or power sources

Abstract

The invention discloses an instruction switching control circuit system of a satellite power supply control single machine, which comprises: the device comprises an instruction sending execution circuit, an instruction power supply circuit, an instruction switch switching circuit and an instruction output circuit; the instruction sending execution circuit is used for sending a connection state instruction of the satellite power supply control single machine; the instruction power supply circuit is used for supplying power to the instruction switching control circuit system; the instruction switch switching circuit is used for converting the current signal output by the instruction power supply circuit according to the received connection state instruction to obtain a corresponding remote control instruction; and the output end of the instruction output circuit is used for outputting the remote control instruction. The invention has simple logic circuit, easy realization and high reliability, can improve the test efficiency and the test safety of the satellite power supply control single machine product, and can simultaneously meet the test requirements of the sending of the power supply instructions of different types of tasks.

Description

Instruction switching control circuit system of satellite power supply control single machine
Technical Field
The invention relates to control of different instruction sending of a satellite power supply control single machine product, in particular to a high pulse instruction, low pulse instruction and wired instruction switching control system of a power supply control single machine.
Background
The power supply system is a core system for supplying and distributing power to satellite energy and provides continuous, stable and high-quality energy for the whole satellite in-orbit flight. The power supply system completes the control and protection functions of power supply, power failure, connection and disconnection of a shunt function circuit, connection and disconnection of a charging shunt circuit, connection and disconnection of a discharging regulation circuit, connection and disconnection of an equalizing circuit and the like of the whole satellite power supply and distribution through different remote control instructions and wired instructions, and realizes the on-orbit stable and safe operation of the satellite power supply.
In order to fully verify the effectiveness of the remote control and wired instruction functional circuits of the power supply system, in the general ground test process, an analog digital pipe subsystem is required to send different remote control instructions and wired instructions to a control single machine to complete the test work of the satellite power supply system, the general method is to customize and develop a set of instruction control system by one system, the instruction control system has unicity and is not suitable for different control single machine systems, different satellite power supply systems have different remote control instruction forms due to the difference of model tasks, such as a high-pulse 28V instruction, a high-pulse 12V instruction, a low-pulse instruction and the like, and meanwhile, different instruction type forms exist in the subsequent models of the same satellite power supply product. In order to meet the functional test requirements of different satellite power supply products, the design and research work of different remote control instruction control switching technologies is required, the technology is favorable for removing the type requirement of the functional test of the satellite power supply system, and the test efficiency and the test generalization requirement can be improved.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide an instruction switching control circuit system for a satellite power supply control unit, aiming at the defects of the prior art, so as to solve the problem that different power supply systems have different pulse instruction function tests.
In order to solve the above problems, the present invention is realized by the following technical scheme:
an instruction switching control circuit system of a satellite power supply control unit comprises: the device comprises an instruction sending execution circuit, an instruction power circuit, an instruction switch switching circuit and an instruction output circuit; the output end of the instruction sending execution circuit is respectively connected with the input end of the instruction power supply circuit and the input end of the instruction switch switching circuit; the output end of the instruction power supply circuit is connected with the input end of the instruction switch switching circuit; and the output end of the instruction switch switching circuit is connected with the input end of the instruction output circuit.
The instruction sending execution circuit is used for sending a connection state instruction of the satellite power supply control single machine; the instruction power supply circuit is used for supplying power to the instruction switching control circuit system; the instruction switch switching circuit is used for converting the current signal output by the instruction power supply circuit according to the received connection state instruction to obtain a corresponding remote control instruction; and the output end of the instruction output circuit is used for outputting the remote control instruction.
Preferably, the instruction sending execution circuit is a relay board card, the relay board card includes a plurality of relays working independently, and each relay correspondingly sends one connection state instruction.
The instruction power supply circuit comprises a 28V instruction power supply circuit and a 12V instruction power supply circuit; the positive and negative poles of the 28V instruction power circuit and the 12V instruction power circuit are respectively connected with the input end of the instruction switch switching circuit; and the cathodes of the 28V instruction power supply circuit and the 12V instruction power supply circuit are respectively grounded.
Preferably, the instruction switch switching circuit comprises a plurality of sub-instruction switch switching circuits, the instruction output circuit comprises a plurality of sub-instruction output circuits, and the input end of each sub-instruction switch switching circuit is correspondingly connected with the relay of the instruction sending execution circuit and the positive and negative output ends of the instruction power supply circuit; and the output end of each sub-instruction switch switching circuit is connected with the positive and negative input ends of the corresponding sub-instruction output circuit.
Preferably, each of the sub-command switch switching circuits includes: the switch comprises a first switch row, a second switch row, a third switch row, a fourth switch row and a manual switch.
The first switch bank comprises a first single-pole double-throw switch, a second single-pole double-throw switch, a third single-pole double-throw switch and a fourth single-pole double-throw switch; the second switch bank comprises a fifth single-pole double-throw switch and a sixth single-pole double-throw switch; the third switch bank comprises a seventh single pole double throw switch and an eighth single pole double throw switch; the fourth switch bank includes a ninth single-pole double-throw switch and a tenth single-pole double-throw switch.
Each single-pole double-throw switch comprises a first fixed end interface, a second fixed end interface and a movable end interface.
The positive electrode of the 28V instruction power supply circuit is connected with a first non-movable end interface of the first single-pole double-throw switch; the negative electrode of the 28V instruction power supply circuit is connected with a first non-movable end interface of the third single-pole double-throw switch; the positive electrode of the 12V instruction power supply circuit is connected with a first fixed end interface of the second single-pole double-throw switch; the negative electrode of the 12V instruction power supply circuit is connected with a first fixed end interface of the fourth single-pole double-throw switch; the movable end interface of the first single-pole double-throw switch is connected with the first fixed end interface of the fifth single-pole double-throw switch; the movable end interface of the second single-pole double-throw switch is connected with the second immovable end interface of the fifth single-pole double-throw switch; the movable end interface of the third single-pole double-throw switch is connected with the first fixed end interface of the sixth single-pole double-throw switch; a moving end interface of the fourth single-pole double-throw switch is connected with a second fixed end interface of the sixth single-pole double-throw switch; a moving end interface of the fifth single-pole double-throw switch is respectively connected with a first fixed end interface of the seventh single-pole double-throw switch and a second fixed end interface of the ninth single-pole double-throw switch; a moving end interface of the sixth single-pole double-throw switch is respectively connected with a second fixed end interface of the eighth single-pole double-throw switch and a first fixed end interface of the tenth single-pole double-throw switch; a moving end interface of the seventh single-pole double-throw switch is respectively connected with a first end interface of the relay and a first end interface of the manual switch; a moving end interface of the eighth single-pole double-throw switch is connected with a second end interface of the relay and a second end interface of the manual switch respectively; a second fixed end interface of the seventh single-pole double-throw switch is connected with a second fixed end interface of the tenth single-pole double-throw switch; a first fixed end interface of the eighth single-pole double-throw switch is connected with a first fixed end interface of the ninth single-pole double-throw switch; a moving end interface of the ninth single-pole double-throw switch is connected with an interface of the positive input end of the sub-instruction output circuit; and a moving end interface of the tenth single-pole double-throw switch is connected with an interface of a negative input end of the sub-instruction output circuit.
Preferably, the first switch bank, the relay and the manual switch are disconnected, the fifth single-pole double-throw switch is connected with the first immobile terminal interface thereof, the sixth single-pole double-throw switch is connected with the first immobile terminal interface thereof, the seventh single-pole double-throw switch is connected with the first immobile terminal interface thereof, the eighth single-pole double-throw switch is connected with the first immobile terminal interface thereof, the ninth single-pole double-throw switch is connected with the first immobile terminal interface thereof, and the tenth single-pole double-throw switch is connected with the first immobile terminal interface thereof, so that the instruction switching control circuit system is in a high-resistance state, and the output end of the instruction output circuit outputs a 0V low pulse instruction.
Preferably, the instruction sending execution circuit sends a 28V high pulse instruction, and selects any one of the sub-instruction switch switching circuits in the instruction switch switching circuit to perform instruction conversion according to the 28V high pulse instruction.
The first switch bank and the relay are both closed, the manual switch is disconnected, the fifth single-pole double-throw switch is connected with the first immobile end interface thereof, the sixth single-pole double-throw switch is connected with the first immobile end interface thereof, the seventh single-pole double-throw switch is connected with the first immobile end interface thereof, the eighth single-pole double-throw switch is connected with the first immobile end interface thereof, the ninth single-pole double-throw switch is connected with the first immobile end interface thereof, the tenth single-pole double-throw switch is connected with the first immobile end interface thereof, and then the output end of the command output circuit corresponding to the sub command switch switching circuit outputs a 28V high pulse command.
Preferably, the command sending execution circuit sends a 28V low pulse command, and selects any one of the sub-command switch switching circuits in the command switch switching circuit to perform command conversion according to the 28V low pulse command.
The first switch bank and the relay are closed, the manual switch is disconnected, the fifth single-pole double-throw switch is connected with a first immovable end interface of the fifth single-pole double-throw switch, the sixth single-pole double-throw switch is connected with a first immovable end interface of the sixth single-pole double-throw switch, the seventh single-pole double-throw switch is connected with a second immovable end interface of the seventh single-pole double-throw switch, the eighth single-pole double-throw switch is connected with a second immovable end interface of the eighth single-pole double-throw switch, the ninth single-pole double-throw switch is connected with a second immovable end interface of the ninth single-pole double-throw switch, and the tenth single-pole double-throw switch is connected with the second immovable end interface of the tenth single-pole double-throw switch, so that an output end of the command output circuit corresponding to the sub command switch switching circuit outputs a 28V low pulse command.
Preferably, the instruction sending execution circuit sends a 12V high pulse instruction, and selects any one of the sub-instruction switch switching circuits in the instruction switch switching circuit to perform instruction conversion according to the 12V high pulse instruction.
The first switch bank and the relay are closed, the manual switch is disconnected, the fifth single-pole double-throw switch is connected with the second immovable end interface, the sixth single-pole double-throw switch is connected with the second immovable end interface, the seventh single-pole double-throw switch is connected with the first immovable end interface, the eighth single-pole double-throw switch is connected with the first immovable end interface, the ninth single-pole double-throw switch is connected with the first immovable end interface, and the tenth single-pole double-throw switch is connected with the first immovable end interface, so that an output end of the command output circuit corresponding to the sub command switch switching circuit outputs a 12V high pulse command.
Preferably, the instruction sending execution circuit sends a 12V low pulse instruction, and selects any one of the sub-instruction switch switching circuits in the instruction switch switching circuit to perform instruction conversion according to the 12V low pulse instruction.
The first switch bank and the relay are closed, the manual switch is disconnected, the fifth single-pole double-throw switch is connected with the second immovable end interface, the sixth single-pole double-throw switch is connected with the second immovable end interface, the seventh single-pole double-throw switch is connected with the second immovable end interface, the eighth single-pole double-throw switch is connected with the second immovable end interface, the ninth single-pole double-throw switch is connected with the second immovable end interface, the tenth single-pole double-throw switch is connected with the second immovable end interface, and then the output end of the instruction output circuit corresponding to the sub instruction switch switching circuit outputs a 12V low pulse instruction.
Preferably, the instruction sending and executing circuit sends a wired instruction, and selects any two sub-instruction switch switching circuits in the instruction switch switching circuit to perform instruction conversion according to the wired instruction.
The connection mode of a first sub-command switch switching circuit in the two sub-command switch switching circuits is as follows: the first switch bank and the relay are closed, the manual switch is disconnected, the fifth single-pole double-throw switch is connected with the second immovable end interface of the fifth single-pole double-throw switch, the sixth single-pole double-throw switch is connected with the second immovable end interface of the sixth single-pole double-throw switch, the seventh single-pole double-throw switch is connected with the second immovable end interface of the seventh single-pole double-throw switch, the eighth single-pole double-throw switch is connected with the second immovable end interface of the eighth single-pole double-throw switch, the ninth single-pole double-throw switch is connected with the second immovable end interface of the ninth single-pole double-throw switch, and the tenth single-pole double-throw switch is connected with the second immovable end interface of the tenth single-pole double-throw switch.
The connection mode of a second sub-command switch switching circuit in the two sub-command switch switching circuits is as follows: the first switch row is closed, the manual switch is disconnected with the relay, the fifth single-pole double-throw switch is connected with a second immovable end interface of the fifth single-pole double-throw switch, the sixth single-pole double-throw switch is connected with a second immovable end interface of the sixth single-pole double-throw switch, the seventh single-pole double-throw switch is connected with a second immovable end interface of the seventh single-pole double-throw switch, the eighth single-pole double-throw switch is connected with a second immovable end interface of the eighth single-pole double-throw switch, the ninth single-pole double-throw switch is connected with a first immovable end interface of the ninth single-pole double-throw switch, and the tenth single-pole double-throw switch is connected with a first immovable end interface of the tenth single-pole double-throw switch.
The two sub-command switch switching circuits are connected through a ground wire to form a loop; and a first negative output end in the instruction output circuit corresponding to the first sub-instruction switch switching circuit and a second negative output end in the instruction output circuit corresponding to the second sub-instruction switch switching circuit form an output port, and the output port outputs the wired instruction.
The invention has at least one of the following advantages:
the high-low pulse instruction switching control circuit system for the satellite power supply control single machine optimizes instruction sending management of the satellite power supply control single machine. Five different high pulse and low pulse instructions can be switched and sent according to different satellite power supply task instruction control requirements. The whole system has the characteristics of simple circuit, high reliability and strong adaptability, and is particularly suitable for the instruction sending requirement of the spacecraft satellite power supply control single machine.
Drawings
Fig. 1 is a schematic diagram of a high-impedance state of a satellite power supply control unit high-low pulse command switching control circuit system according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a 28V high pulse command transmission of a satellite power control unit high-low pulse command switching control circuit system according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a 28V low pulse command transmission of a satellite power control unit high-low pulse command switching control circuit system according to an embodiment of the present invention;
fig. 4 is a schematic diagram of sending a 12V high pulse command of a satellite power control unit high-low pulse command switching control circuit system according to an embodiment of the present invention;
fig. 5 is a schematic diagram of 12V low pulse command transmission of the satellite power control unit high-low pulse command switching control circuit system according to an embodiment of the present invention;
fig. 6 is a schematic diagram of sending a wired command of a satellite power control unit high-low pulse command switching control circuit system according to an embodiment of the present invention.
Detailed Description
The following describes the command switching control circuit system of a satellite power control unit according to the present invention in detail with reference to fig. 1 to 6 and the detailed description. The advantages and features of the present invention will become more apparent from the following description. It is to be noted that the drawings are in a very simplified form and are all used in a non-precise scale for the purpose of facilitating and distinctly aiding in the description of the embodiments of the present invention. To make the objects, features and advantages of the present invention comprehensible, reference is made to the accompanying drawings. It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the implementation conditions of the present invention, so that the present invention has no technical significance, and any structural modification, ratio relationship change or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
As shown in fig. 1, the circuit system for controlling command switching of a satellite power control unit according to this embodiment includes: the device comprises an instruction sending execution circuit, an instruction power circuit, an instruction switch switching circuit and an instruction output circuit; the output end of the instruction sending execution circuit is respectively connected with the input end of the instruction power supply circuit and the input end of the instruction switch switching circuit; the output end of the instruction power supply circuit is connected with the input end of the instruction switch switching circuit; and the output end of the instruction switch switching circuit is connected with the input end of the instruction output circuit.
The instruction sending execution circuit is used for sending a connection state instruction of the satellite power supply control single machine; the instruction power supply circuit is used for supplying power to the instruction switching control circuit system; the instruction switch switching circuit is used for converting the current signal output by the instruction power supply circuit according to the received connection state instruction to obtain a corresponding remote control instruction; and the output end of the instruction output circuit is used for outputting the remote control instruction. The connection state command includes a switch-on command and a switch-off command.
The instruction sending execution circuit is a relay board card which comprises a plurality of relays working independently, and each relay correspondingly sends one connection state instruction. The instruction sending execution circuit is realized by adopting a relay board card with the model number PXI-7901. Each PXI-7901 relay board card can have 16 relays at most, and the relays are switches. At most 16 instructions can be sent, and the number of the relay board cards can be increased according to the needs.
The instruction power supply circuit comprises a 28V instruction power supply circuit and a 12V instruction power supply circuit; the positive electrode and the negative electrode of the 28V instruction power circuit and the 12V instruction power circuit are respectively connected with the input end of the instruction switch switching circuit; and the cathodes of the 28V instruction power supply circuit and the 12V instruction power supply circuit are respectively grounded. And the negative electrode of the 28V instruction power supply circuit is connected with a 28V ground wire, and the negative electrode of the 12V instruction power supply circuit is connected with a 12V ground wire. The 28V instruction power supply circuit and the 12V instruction power supply circuit have the current output capacity of 1A, and can meet the performance index requirement that the input current of the satellite power supply single-machine remote control instruction is not less than 200 mA; the instruction sending execution circuit can adjust and control execution according to the instruction sending time requirement of the satellite power supply stand-alone product.
The instruction switch switching circuit comprises a plurality of sub-instruction switch switching circuits (16 in the embodiment, but not limited thereto), the instruction output circuit comprises a plurality of sub-instruction output circuits (16 in the embodiment, but not limited thereto), and the input end of each sub-instruction switch switching circuit is correspondingly connected with the relay of the instruction sending execution circuit and the positive and negative output ends of the instruction power supply circuit; the output end of each sub-instruction switch switching circuit is connected with the positive and negative input ends of the corresponding sub-instruction output circuit, and a circuit formed by connecting the relay of the instruction sending execution circuit, the positive and negative output ends of the instruction power supply circuit and the positive and negative input ends of the sub-instruction output circuit corresponding to each sub-instruction switch switching circuit is a channel. All channels share one 28V power supply and one 12V power supply, and the internal instruction receiving circuit of the power supply single machine product adopts an O-C gate design, and the execution of the instruction is realized through the closing of an instruction ground wire.
In order to more clearly understand the structure of the sub-command switch switching circuit, the structure of the sub-command switch switching circuit at the top layer is described below by taking the sub-command switch switching circuit at the top layer as an example, and the sub-command switch switching circuit at the top layer includes: a first switch row K0, a second switch row K1, a third switch row K2, a fourth switch row K3 and a manual switch K4. The manual switch K4 is used for enabling the instruction transmission execution circuit when the relay in the instruction transmission execution circuit is failed, so as to transmit the instruction. The first switch bank K0 is used to control the switching on and off of the command power circuit.
The first switch bank K0 comprises a first single-pole double-throw switch K0-1-A, a second single-pole double-throw switch K0-2-A, a third single-pole double-throw switch K0-3-A and a fourth single-pole double-throw switch K0-4-A; the second switch row K1 comprises a fifth single-pole double-throw switch K1-1-A and a sixth single-pole double-throw switch K1-2-A; the third switch bank K2 includes a seventh single-pole double-throw switch K2-1-A and an eighth single-pole double-throw switch K2-2-A; the fourth row of switches K3 includes a ninth single-pole-double-throw switch K3-1-A and a tenth single-pole-double-throw switch K3-2-A.
Each single-pole double-throw switch comprises a first fixed end interface, a second fixed end interface and a movable end interface.
The positive electrode of the 28V instruction power supply circuit is connected with a first fixed end interface of the first single-pole double-throw switch K0-1-A; the negative electrode of the 28V instruction power supply circuit is connected with a first fixed end interface of the third single-pole double-throw switch K0-3-A; the positive electrode of the 12V instruction power supply circuit is connected with a first fixed end interface of the second single-pole double-throw switch K0-2-A; the negative electrode of the 12V instruction power supply circuit is connected with a first fixed end interface of the fourth single-pole double-throw switch K0-4-A; the movable end interface of the first single-pole double-throw switch K0-1-A is connected with the first fixed end interface of the fifth single-pole double-throw switch K1-1-A; the movable end interface of the second single-pole double-throw switch K0-2-A is connected with the second fixed end interface of the fifth single-pole double-throw switch K1-1-A; the movable end interface of the third single-pole double-throw switch K0-3-A is connected with the first fixed end interface of the sixth single-pole double-throw switch K1-2-A; the movable end interface of the fourth single-pole double-throw switch K0-4-A is connected with the second fixed end interface of the sixth single-pole double-throw switch K1-2-A; the movable end interface of the fifth single-pole double-throw switch K1-1-A is respectively connected with the first fixed end interface of the seventh single-pole double-throw switch K2-1-A and the second fixed end interface of the ninth single-pole double-throw switch K3-1-A; the movable end interface of the sixth single-pole double-throw switch K1-2-A is respectively connected with the second immovable end interface of the eighth single-pole double-throw switch K2-2-A and the first immovable end interface of the tenth single-pole double-throw switch K3-2-A; the moving end interface of the seventh single-pole double-throw switch K2-1-A is respectively connected with the first end interface of the relay and the first end interface of the manual switch K4; the moving end interface of the eighth single-pole double-throw switch K2-2-A is connected with the second end interface of the relay and the second end interface of the manual switch K4 respectively; the second fixed end interface of the seventh single-pole double-throw switch K2-1-A is connected with the second fixed end interface of the tenth single-pole double-throw switch K3-2-A; the first fixed end interface of the eighth single-pole double-throw switch K2-2-A is connected with the first fixed end interface of the ninth single-pole double-throw switch K3-1-A; the moving end interface of the ninth single-pole double-throw switch K3-1-A is connected with the interface of the positive input end of the sub-instruction output circuit; and the moving end interface of the tenth single-pole double-throw switch K3-2-A is connected with the interface of the negative input end of the sub-instruction output circuit.
The connection state instruction sent by the instruction sending and executing circuit comprises a selection instruction and an execution instruction. Selecting an instruction for selecting a channel; the execution instruction is used for controlling the connection state of the sub-instruction switch switching circuit. The method comprises the following specific steps: the instruction sending execution circuit firstly sends a selection instruction and selects a required channel; sending an execution command to turn on the second switch bank K1, the third switch bank K2 and the fourth switch bank K3; the connection state is confirmed to be consistent with the state required by the satellite power supply stand-alone product, and finally, an execution command is sent again to switch on the first switch bank K0.
The first switch bank K0, the relay and the manual switch K4 are disconnected, the fifth single-pole double-throw switch K1-1-A is connected with the first immovable terminal interface thereof, the sixth single-pole double-throw switch K1-2-A is connected with the first fixed end interface, the seventh single-pole double-throw switch K2-1-A is connected with the first fixed end interface, the eighth single-pole double-throw switch K2-2-A is connected with the first fixed end interface, the ninth single-pole double-throw switch K3-1-A is connected with the first fixed end interface, the tenth single-pole double-throw switch K3-2-A is connected with the first fixed end interface, the instruction switching control circuit system is in a high-impedance state, the output end of the instruction output circuit outputs a 0V low pulse instruction, and the output ports at this time are a positive output end 1+ and a negative output end 1-in the figure. The method has the advantage that before the satellite power supply stand-alone product is electrified again for testing, the current test cannot be adversely affected by the connection state after the previous test is finished. For example, when a 28V high-low pulse command is sent to a 12V high-low pulse command execution circuit, the circuit is prevented from being damaged due to overvoltage.
As shown in fig. 2, the command transmitting/executing circuit transmits a 28V high pulse command, and selects any one of the sub-command switch switching circuits in the command switch switching circuit to perform command conversion according to the 28V high pulse command.
The first switch row K0 and the relay are closed, the manual switch K4 is opened, the fifth single-pole double-throw switch K1-1-A is connected with a first fixed end interface, the sixth single-pole double-throw switch K1-2-A is connected with the first fixed end interface, the seventh single-pole double-throw switch K2-1-A is connected with the first fixed end interface, the eighth single-pole double-throw switch K2-2-A is connected with the first fixed end interface, the ninth single-pole double-throw switch K3-1-A is connected with the first fixed end interface, the tenth single-pole double-throw switch K3-2-A is connected with the first fixed end interface, the output terminal of the command output circuit corresponding to the sub-command switch switching circuit outputs a 28V high pulse command, which is represented by positive output terminal 1+ and negative output terminal 1-in the figure.
As shown in fig. 3, the command transmission execution circuit transmits a 28V low pulse command, and selects any one of the sub-command switch switching circuits in the command switch switching circuit to perform command conversion according to the 28V low pulse command.
The first switch row K0 and the relay are closed, the manual switch K4 is opened, the fifth single-pole double-throw switch K1-1-A is connected with a first fixed terminal interface, the sixth single-pole double-throw switch K1-2-A is connected with the first fixed end interface, the seventh single-pole double-throw switch K2-1-A is connected with the second fixed end interface, the eighth single-pole double-throw switch K2-2-A is connected with the second fixed end interface, the ninth single-pole double-throw switch K3-1-A is connected with the second fixed end interface, the tenth single-pole double-throw switch K3-2-A is connected with the second fixed end interface, the output terminal of the command output circuit corresponding to the sub-command switch switching circuit outputs a 28V low pulse command, which is represented by positive output terminal 1+ and negative output terminal 1-in the figure.
As shown in fig. 4, the command transmitting/executing circuit transmits a 12V high pulse command, and selects any one of the sub-command switch switching circuits in the command switch switching circuit to perform command conversion according to the 12V high pulse command.
The first switch bank K0 and the relay are closed, the manual switch K4 is opened, the fifth single-pole double-throw switch K1-1-A is connected with the second immovable terminal interface, the sixth single-pole double-throw switch K1-2-A is connected with the second fixed end interface, the seventh single-pole double-throw switch K2-1-A is connected with the first fixed end interface, the eighth single-pole double-throw switch K2-2-A is connected with the first fixed end interface, the ninth single-pole double-throw switch K3-1-A is connected with the first fixed end interface, the tenth single-pole double-throw switch K3-2-A is connected with the first fixed end interface, the output terminal of the command output circuit corresponding to the sub-command switch switching circuit outputs a 12V high pulse command, and the output terminals are the positive output terminal 1+ and the negative output terminal 1-in the figure.
As shown in fig. 5, the command transmission execution circuit transmits a 12V low pulse command, and selects any one of the sub-command switch switching circuits in the command switch switching circuit to perform command conversion according to the 12V low pulse command.
The first switch row K0 and the relay are closed, the manual switch K4 is opened, the fifth single-pole double-throw switch K1-1-A is connected with the second fixed terminal interface, the sixth single-pole double-throw switch K1-2-A is connected with the second fixed end interface, the seventh single-pole double-throw switch K2-1-A is connected with the second fixed end interface, the eighth single-pole double-throw switch K2-2-A is connected with the second fixed end interface, the ninth single-pole double-throw switch K3-1-A is connected with the second fixed end interface, the tenth single-pole double-throw switch K3-2-A is connected with the second fixed end interface, the output terminal of the command output circuit corresponding to the sub-command switch switching circuit outputs a 12V low pulse command, which is the positive output terminal 1+ and the negative output terminal 1-in the figure.
As shown in fig. 6, the instruction sending and executing circuit sends a wired instruction, and selects any two sub-instruction switch switching circuits in the instruction switch switching circuit to perform instruction conversion according to the wired instruction. The instruction sending execution circuit firstly sends a selection instruction and selects any two channels; sending an execution command to switch on the second switch row K1, the third switch row K2 and the fourth switch row K3 of the two channels; and confirming that the connection state is consistent with the state required by the satellite power supply stand-alone product, and finally sending an execution command again to switch on the first switch bank K0 of the two channels.
The connection mode of a first sub-command switch switching circuit in the two sub-command switch switching circuits is as follows: the first switch bank K0 and the relay are closed, the manual switch K4 is disconnected, the fifth single-pole double-throw switch K1-1-A is connected with a second immovable end interface of the fifth single-pole double-throw switch, the sixth single-pole double-throw switch K1-2-A is connected with a second immovable end interface of the sixth single-pole double-throw switch, the seventh single-pole double-throw switch K2-1-A is connected with a second immovable end interface of the seventh single-pole double-throw switch, the eighth single-pole double-throw switch K2-2-A is connected with a second immovable end interface of the eighth single-pole double-throw switch, the ninth single-pole double-throw switch K3-1-A is connected with a second immovable end interface of the ninth single-pole double-throw switch, and the tenth single-pole double-throw switch K3-2-A is connected with a second immovable end interface of the tenth single-pole double-throw switch.
The connection mode of a second sub-command switch switching circuit in the two sub-command switch switching circuits is as follows: the first switch bank K0 is closed, the manual switch K4 is disconnected with the relay, the fifth single-pole double-throw switch K1-1-B is connected with a second immovable end interface thereof, the sixth single-pole double-throw switch K1-2-B is connected with the second immovable end interface thereof, the seventh single-pole double-throw switch K2-1-B is connected with a second immovable end interface thereof, the eighth single-pole double-throw switch K2-2-B is connected with a second immovable end interface thereof, the ninth single-pole double-throw switch K3-1-B is connected with a first immovable end interface thereof, and the tenth single-pole double-throw switch K3-2-B is connected with a first immovable end interface thereof.
The two sub-command switch switching circuits are connected through a 12V ground wire to form a loop; and a first negative output end in the instruction output circuit corresponding to the first sub-instruction switch switching circuit and a second negative output end in the instruction output circuit corresponding to the second sub-instruction switch switching circuit form an output port, and the output port outputs the wired instruction. The two channels are automatically selected by the limited instruction and are switched on in a common ground state, and a circuit formed by a positive output end of the 12V power supply and a first positive output end in the instruction output circuit corresponding to the first sub-instruction switch switching circuit has no effect, namely the first positive output end is not used, and the 12V power supply is not used. Other power supplies in the system supply power to the loop to form a current path, and current is output through two ports, namely a first negative output end 1-and a second negative output end 2-in the figure, at the moment, the two output ports are equivalent to a switch, and no positive and negative poles are arranged.
The satellite power supply control stand-alone high-low pulse instruction switching control circuit system provided by the embodiment can carry out combined control according to the number and the type of remote control instructions while meeting the instruction sending requirement according to the instruction input requirement of a satellite power supply stand-alone product. The method has the characteristics of simple control logic and high reliability, and can improve the test efficiency and the test safety of products. The embodiment is applied to the test of the power supply controller of the low-orbit satellite model, and the reliability and the safety of the instruction switching control system are proved through the test verification of a plurality of satellite power supply control single-machine products.
While the present invention has been described in detail with reference to the preferred embodiments, it should be understood that the above description should not be taken as limiting the invention. Various modifications and alterations to this invention will become apparent to those skilled in the art upon reading the foregoing description. Accordingly, the scope of the invention should be determined from the following claims.

Claims (9)

1. An instruction switching control circuit system of a satellite power supply control unit is characterized by comprising: the device comprises an instruction sending execution circuit, an instruction power supply circuit, an instruction switch switching circuit and an instruction output circuit;
the output end of the instruction sending execution circuit is respectively connected with the input end of the instruction power supply circuit and the input end of the instruction switch switching circuit;
the output end of the instruction power supply circuit is connected with the input end of the instruction switch switching circuit;
the output end of the instruction switch switching circuit is connected with the input end of the instruction output circuit;
the instruction sending execution circuit is used for sending a connection state instruction of the satellite power supply control single machine;
the instruction power supply circuit is used for supplying power to the instruction switching control circuit system;
the instruction switch switching circuit is used for converting the current signal output by the instruction power supply circuit according to the received connection state instruction to obtain a corresponding remote control instruction;
the output end of the instruction output circuit is used for outputting the remote control instruction;
the instruction power supply circuit comprises a 28V instruction power supply circuit and a 12V instruction power supply circuit; the instruction switch switching circuit comprises a plurality of sub instruction switch switching circuits, and the instruction output circuit comprises a plurality of sub instruction output circuits;
each sub-command switch switching circuit comprises: the first switch row, the second switch row, the third switch row, the fourth switch row and the manual switch; the first switch bank comprises a first single-pole double-throw switch, a second single-pole double-throw switch, a third single-pole double-throw switch and a fourth single-pole double-throw switch; the second switch bank comprises a fifth single-pole double-throw switch and a sixth single-pole double-throw switch; the third switch bank comprises a seventh single-pole double-throw switch and an eighth single-pole double-throw switch; the fourth switch bank comprises a ninth single-pole double-throw switch and a tenth single-pole double-throw switch;
each single-pole double-throw switch comprises a first fixed end interface, a second fixed end interface and a movable end interface;
the positive electrode of the 28V instruction power supply circuit is connected with a first fixed end interface of the first single-pole double-throw switch;
the negative electrode of the 28V instruction power supply circuit is connected with a first non-movable end interface of the third single-pole double-throw switch;
the positive electrode of the 12V instruction power supply circuit is connected with a first non-movable end interface of the second single-pole double-throw switch;
the negative electrode of the 12V instruction power supply circuit is connected with a first fixed end interface of the fourth single-pole double-throw switch;
the movable end interface of the first single-pole double-throw switch is connected with the first fixed end interface of the fifth single-pole double-throw switch;
the movable end interface of the second single-pole double-throw switch is connected with the second immovable end interface of the fifth single-pole double-throw switch;
the movable end interface of the third single-pole double-throw switch is connected with the first fixed end interface of the sixth single-pole double-throw switch;
the movable end interface of the fourth single-pole double-throw switch is connected with the second fixed end interface of the sixth single-pole double-throw switch;
a moving end interface of the fifth single-pole double-throw switch is respectively connected with a first fixed end interface of the seventh single-pole double-throw switch and a second fixed end interface of the ninth single-pole double-throw switch;
a moving end interface of the sixth single-pole double-throw switch is respectively connected with a second fixed end interface of the eighth single-pole double-throw switch and a first fixed end interface of the tenth single-pole double-throw switch;
the moving end interface of the seventh single-pole double-throw switch is respectively connected with the first end interface of the relay of the instruction sending execution circuit and the first end interface of the manual switch;
a moving end interface of the eighth single-pole double-throw switch is respectively connected with a second end interface of the relay and a second end interface of the manual switch;
a second fixed end interface of the seventh single-pole double-throw switch is connected with a second fixed end interface of the tenth single-pole double-throw switch;
the first fixed end interface of the eighth single-pole double-throw switch is connected with the first fixed end interface of the ninth single-pole double-throw switch;
a moving end interface of the ninth single-pole double-throw switch is connected with an interface of the positive input end of the sub-instruction output circuit;
and a moving end interface of the tenth single-pole double-throw switch is connected with an interface of a negative input end of the sub-instruction output circuit.
2. The circuit system for command switching control of a satellite power control unit as claimed in claim 1, wherein:
the instruction sending execution circuit is a relay board card, the relay board card comprises a plurality of relays which work independently, and each relay correspondingly sends one connection state instruction;
the positive electrode and the negative electrode of the 28V instruction power circuit and the 12V instruction power circuit are respectively connected with the input end of the instruction switch switching circuit; and the cathodes of the 28V instruction power supply circuit and the 12V instruction power supply circuit are respectively grounded.
3. The command switch control circuit system of a satellite power control unit as claimed in claim 2, wherein: the input end of each sub-instruction switch switching circuit is correspondingly connected with the relay of the instruction sending execution circuit and the positive and negative output ends of the instruction power supply circuit; and the output end of each sub-instruction switch switching circuit is connected with the positive and negative input ends of the corresponding sub-instruction output circuit.
4. The command switch control circuit system of a satellite power control unit as claimed in claim 3, wherein:
the first switch bank, the relay and the manual switch are disconnected, the fifth single-pole double-throw switch is connected with a first immobile end interface thereof, the sixth single-pole double-throw switch is connected with a first immobile end interface thereof, the seventh single-pole double-throw switch is connected with a first immobile end interface thereof, the eighth single-pole double-throw switch is connected with a first immobile end interface thereof, the ninth single-pole double-throw switch is connected with a first immobile end interface thereof, and the tenth single-pole double-throw switch is connected with a first immobile end interface thereof, so that the instruction switching control circuit system is in a high-resistance state, and the output end of the instruction output circuit outputs a 0V low-pulse instruction.
5. The circuit system for controlling command switching of a satellite power supply controller as claimed in claim 3, wherein said command transmitting executing circuit transmits a 28V high pulse command, and selects any one of said sub-command switch switching circuits in said command switch switching circuit for command switching according to said 28V high pulse command;
the first switch bank and the relay are both closed, the manual switch is disconnected, the fifth single-pole double-throw switch is connected with the first immobile end interface thereof, the sixth single-pole double-throw switch is connected with the first immobile end interface thereof, the seventh single-pole double-throw switch is connected with the first immobile end interface thereof, the eighth single-pole double-throw switch is connected with the first immobile end interface thereof, the ninth single-pole double-throw switch is connected with the first immobile end interface thereof, the tenth single-pole double-throw switch is connected with the first immobile end interface thereof, and then the output end of the command output circuit corresponding to the sub command switch switching circuit outputs a 28V high pulse command.
6. The circuit system for controlling command switching of a satellite power supply stand-alone according to claim 3, wherein said command transmitting executing circuit transmits a 28V low pulse command, and selects any one of said sub-command switch switching circuits in said command switch switching circuit for command switching according to said 28V low pulse command;
the first switch bank and the relay are closed, the manual switch is disconnected, the fifth single-pole double-throw switch is connected with a first immovable end interface of the fifth single-pole double-throw switch, the sixth single-pole double-throw switch is connected with a first immovable end interface of the sixth single-pole double-throw switch, the seventh single-pole double-throw switch is connected with a second immovable end interface of the seventh single-pole double-throw switch, the eighth single-pole double-throw switch is connected with a second immovable end interface of the eighth single-pole double-throw switch, the ninth single-pole double-throw switch is connected with a second immovable end interface of the ninth single-pole double-throw switch, and the tenth single-pole double-throw switch is connected with the second immovable end interface of the tenth single-pole double-throw switch, so that an output end of the command output circuit corresponding to the sub command switch switching circuit outputs a 28V low pulse command.
7. The circuit system for controlling command switching of a satellite power supply controller as claimed in claim 3, wherein said command transmitting execution circuit transmits a 12V high pulse command, and selects any one of said sub-command switch switching circuits in said command switch switching circuit for command switching according to said 12V high pulse command;
the first switch row and the relay are closed, the manual switch is disconnected, the fifth single-pole double-throw switch is connected with a second immovable end interface of the fifth single-pole double-throw switch, the sixth single-pole double-throw switch is connected with a second immovable end interface of the sixth single-pole double-throw switch, the seventh single-pole double-throw switch is connected with a first immovable end interface of the seventh single-pole double-throw switch, the eighth single-pole double-throw switch is connected with a first immovable end interface of the eighth single-pole double-throw switch, the ninth single-pole double-throw switch is connected with a first immovable end interface of the ninth single-pole double-throw switch, and the tenth single-pole double-throw switch is connected with the first immovable end interface of the tenth single-pole double-throw switch, so that an output end in the command output circuit corresponding to the sub command switch switching circuit outputs a 12V high pulse command.
8. The circuit system for controlling switching of commands of a satellite power supply unit as claimed in claim 3, wherein said command transmitting and executing circuit transmits a 12V low pulse command, and selects any one of said sub-command switch switching circuits in said command switch switching circuit for command switching according to said 12V low pulse command;
the first switch bank and the relay are closed, the manual switch is disconnected, the fifth single-pole double-throw switch is connected with the second immovable end interface, the sixth single-pole double-throw switch is connected with the second immovable end interface, the seventh single-pole double-throw switch is connected with the second immovable end interface, the eighth single-pole double-throw switch is connected with the second immovable end interface, the ninth single-pole double-throw switch is connected with the second immovable end interface, the tenth single-pole double-throw switch is connected with the second immovable end interface, and then the output end of the instruction output circuit corresponding to the sub instruction switch switching circuit outputs a 12V low pulse instruction.
9. The circuit system for controlling command switching of a satellite power supply stand-alone according to claim 3, wherein said command transmission executing circuit transmits a wired command, and selects any two of said sub-command switch switching circuits in said command switch switching circuit for command switching according to said wired command;
the connection mode of a first sub-command switch switching circuit in the two sub-command switch switching circuits is as follows: the first switch bank and the relay are closed, the manual switch is disconnected, the fifth single-pole double-throw switch is connected with the second immovable end interface thereof, the sixth single-pole double-throw switch is connected with the second immovable end interface thereof, the seventh single-pole double-throw switch is connected with the second immovable end interface thereof, the eighth single-pole double-throw switch is connected with the second immovable end interface thereof, the ninth single-pole double-throw switch is connected with the second immovable end interface thereof, and the tenth single-pole double-throw switch is connected with the second immovable end interface thereof;
the connection mode of a second sub-instruction switch switching circuit in the two sub-instruction switch switching circuits is as follows: the first switch bank is closed, the manual switch and the relay are disconnected, the fifth single-pole double-throw switch is connected with the second immovable end interface thereof, the sixth single-pole double-throw switch is connected with the second immovable end interface thereof, the seventh single-pole double-throw switch is connected with the second immovable end interface thereof, the eighth single-pole double-throw switch is connected with the second immovable end interface thereof, the ninth single-pole double-throw switch is connected with the first immovable end interface thereof, and the tenth single-pole double-throw switch is connected with the first immovable end interface thereof;
the two sub-command switch switching circuits are connected through a ground wire to form a loop; and a first negative output end in the instruction output circuit corresponding to the first sub-instruction switch switching circuit and a second negative output end in the instruction output circuit corresponding to the second sub-instruction switch switching circuit form an output port, and the output port outputs the wired instruction.
CN202010761066.8A 2020-07-31 2020-07-31 Instruction switching control circuit system of satellite power supply control single machine Active CN111769648B (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101770816A (en) * 2009-12-22 2010-07-07 河南大学 Resistive random access memory (RRAM) unit test system and switcher thereof
KR101213237B1 (en) * 2011-09-01 2012-12-18 삼성탈레스 주식회사 Method for synchronization in satelite communication system based on frequency hopping, method for hop acquistion in terminal, and recording medium thereof
CN108717146A (en) * 2018-05-31 2018-10-30 航天东方红卫星有限公司 A kind of portable moonlet power supply and distribution test equipment

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101770816A (en) * 2009-12-22 2010-07-07 河南大学 Resistive random access memory (RRAM) unit test system and switcher thereof
KR101213237B1 (en) * 2011-09-01 2012-12-18 삼성탈레스 주식회사 Method for synchronization in satelite communication system based on frequency hopping, method for hop acquistion in terminal, and recording medium thereof
CN108717146A (en) * 2018-05-31 2018-10-30 航天东方红卫星有限公司 A kind of portable moonlet power supply and distribution test equipment

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