Testing device for simulation of double-source satellite power supply channel electrically connected with star catalogue plug

Abstract

The invention provides a double-source satellite power supply channel simulation test device electrically connected with a star catalogue plug, and the device comprises a power supply channel simulation test device which is used for completing the adaptation from the star catalogue plug to a universal satellite platform equivalent device, and is required to provide a simulation array power load loop, the device is used for verifying the correctness of a satellite-to-ground power supply circuit, a star catalogue plug and a ground cable double-input interface, and supports the test work when a satellite-to-ground adapter cable is not in place. According to the device, a front panel is simultaneously provided with a simulated star catalogue connector and a ground related connector, so that a satellite platform equivalent test under the condition of lack of a satellite-ground adapter cable can be considered; according to the device disclosed by the invention, acquisition and switching of different signals are realized, and a universal satellite platform equivalent device is adapted by designing a reasonable connector point location and an internal circuit.

Description

Technical Field

[0001] The invention relates to the technical field of satellite platform equivalent tests, and in particular to a test device for simulating a dual-source satellite power supply channel electrically connected to a satellite table plug. Background Art

[0002] With the increasing number of satellite test tasks, more efficient preparation requirements are put forward for the preparation work before satellite testing, especially for the satellite platform equivalent test before satellite testing. The satellite platform equivalent test before satellite testing needs to support the test work when the satellite-to-ground transfer cable is in place, and also needs to support the test work when the satellite-to-ground transfer cable is in place.

[0003] At present, there are many satellite test devices in China that can realize multiple test functions, but there is no satellite test device that can simultaneously meet the above-mentioned test requirements of satellite platform equivalent tests.

[0004] The present invention is a satellite testing device for solving the above problems. Currently, no description or report of similar technology to the present invention has been found, and similar data at home and abroad have not been collected.

[0005] Therefore, it is necessary to propose a new technical solution to improve the above technical problems. Summary of the invention

[0006] In view of the defects in the prior art, the object of the present invention is to provide a test device for simulating a dual-source satellite power supply channel electrically connected to a satellite plug.

[0007] A test device for simulating a dual-source satellite power supply channel electrically connected to a satellite plug according to the present invention comprises:

[0008] Simulated star table connector: installed on the front panel of the device, used to simulate the star table connector, connect the satellite-to-ground transfer cable, and realize the simulation of the satellite-to-ground channel;

[0009] Ground power supply channel connector: installed on the front panel of the device, connected to the power supply cable of the ground power supply equipment to detect the ground power supply channel;

[0010] Ground signal acquisition control channel connector: installed on the front panel of the device, connected to the ground industrial computer to realize ground analog signal acquisition and contact signal control;

[0011] Universal satellite platform equivalent device connector: installed on the rear panel of the device, it transfers the satellite table protection plug status and bus voltage analog signal simulated by the universal satellite platform equivalent device to the contact quantity acquisition interface of the transmitter and control console;

[0012] Internal cable: used to connect the connectors on the front and rear panels, and the high-power resistors;

[0013] High-power resistor: used to protect the supply current detection path of general satellite equivalent devices.

[0014] Preferably, the device collects 10 power supply signals and switches 15 passive contacts, 2 holding contacts, 3 instantaneous contacts and 3 analog signals.

[0015] Preferably, the collection of the 10 power supply signals includes the collection of the voltage of the ground power supply line by a universal satellite platform equivalent device.

[0016] Preferably, the switching of the 15 passive contact signals includes the satellite-rocket separation flight plug indication, the solar array pyrotechnics flight plug indication, the antenna pyrotechnics flight plug indication, the self-locking valve flight plug indication, the intelligent management flight plug indication, the attitude and orbit control ground test flight plug indication, the power supply and distribution test flight plug indication, the intersatellite laser hot knife flight plug indication, the drive mechanism motor flight plug indication and the travel switch status recovery.

[0017] Preferably, the switching of the two-way holding contact signal includes a power controller separation signal and an intelligent management unit separation signal.

[0018] Preferably, the switching of the three instantaneous contact signals includes a discharge switch shutting off wired instruction.

[0019] Preferably, the switching of the three analog signals includes bus voltage, platform bus voltage and battery pack voltage.

[0020] Preferably, the device also includes an electromagnetic compatibility design, including a reasonable layout of the circuit board, power isolation and signal isolation methods, a fully enclosed aluminum alloy housing, and shielded wires as external connection cables.

[0021] Preferably, the front panel of the device is designed with two connection modes: one is that when there is an external satellite-to-ground transfer cable, the ground power supply channel and the ground signal acquisition control channel are transferred to the satellite table node through the external satellite-to-ground transfer cable; the other is that when there is no external satellite-to-ground transfer cable, the ground power supply channel and the ground signal acquisition control channel are respectively connected to the ground power supply channel connector and the ground signal acquisition control channel connector.

[0022] Preferably, the internal cable is designed to match the requirements of different signal sizes to meet different current sizes, and the layout of the internal cable and the way the cable is twisted are designed.

[0023] Compared with the prior art, the present invention has the following beneficial effects:

[0024] 1. The front panel of the device of the present invention is designed to simulate both the satellite table connector and the ground-related connector, which can take into account the equivalent test of the satellite platform in the absence of a satellite-to-ground transfer cable;

[0025] 2. The device of the present invention realizes the collection and switching of different signals, and is adapted to the equivalent device of the general satellite platform by designing reasonable connector points and internal circuits. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Other features, objects and advantages of the present invention will become more apparent from the detailed description of non-limiting embodiments made with reference to the following drawings:

[0027] Figure 1 A front panel of a test device for simulating a dual-source satellite power supply channel based on a satellite table plug electrical connection provided by the present invention;

[0028] Figure 2 The rear panel of a test device for simulating a dual-source satellite power supply channel based on the electrical connection of a satellite table plug provided by the present invention;

[0029] Figure 3 A connection diagram of a test device for simulating a dual-source satellite power supply channel based on a satellite plug electrical connection provided by the present invention. DETAILED DESCRIPTION

[0030] The present invention is described in detail below in conjunction with specific embodiments. The following embodiments will help those skilled in the art to further understand the present invention, but are not intended to limit the present invention in any form. It should be noted that, for those of ordinary skill in the art, several changes and improvements can also be made without departing from the concept of the present invention. These all belong to the protection scope of the present invention.

[0031] Embodiment 1:

[0032] Reference Figure 1 and Figure 2 According to the present invention, a test device for simulating a dual-source satellite power supply channel for electrical connection of a satellite plug is provided, comprising:

[0033] Simulated star table connector: installed on the front panel of the device, used to simulate the star table connector, connect the satellite-to-ground transfer cable, and realize the simulation of the satellite-to-ground channel;

[0034] Ground power supply channel connector: installed on the front panel of the device, connected to the power supply cable of the ground power supply equipment to detect the ground power supply channel;

[0035] Ground signal acquisition control channel connector: installed on the front panel of the device, connected to the ground industrial computer to realize ground analog signal acquisition and contact signal control;

[0036] Universal satellite platform equivalent device connector: installed on the rear panel of the device, it transfers the satellite table protection plug status and bus voltage analog signal simulated by the universal satellite platform equivalent device to the contact quantity acquisition interface of the transmitter and control console;

[0037] Internal cable: used to connect the connectors on the front and rear panels, and the high-power resistors;

[0038] High-power resistor: used to protect the supply current detection path of general satellite equivalent devices.

[0039] The device collects 10 power supply signals and transfers 15 passive contacts, 2 holding contacts, 3 instantaneous contacts and 3 analog signals.

[0040] The collection of 10 power supply signals includes the collection of the voltage of the ground power supply line by the universal satellite platform equivalent device.

[0041] The transfer of 15 passive contact signals includes the satellite-rocket separation flight plug indication, the solar array pyrotechnics flight plug indication, the antenna pyrotechnics flight plug indication, the self-locking valve flight plug indication, the intelligent management flight plug indication, the attitude and orbit control ground test flight plug indication, the power supply and distribution test flight plug indication, the intersatellite laser hot knife flight plug indication, the drive mechanism motor flight plug indication and the travel switch status recovery.

[0042] The transfer of the 2-way holding contact signal includes a power controller separation signal and an intelligent management unit separation signal.

[0043] The switching of 3-way instantaneous contact signals includes the discharge switch shutoff wired instruction.

[0044] The transfer of 3 analog signals includes bus voltage, platform bus voltage and battery pack voltage.

[0045] The device also includes electromagnetic compatibility design, including reasonable planning of circuit board layout, use of power isolation and signal isolation methods, fully enclosed aluminum alloy housing, and use of shielded wires as external connection cables.

[0046] The front panel of the device is designed with two connection modes: one is that when there is an external satellite-to-ground transfer cable, the ground power supply channel and the ground signal acquisition control channel are transferred to the satellite table node through the external satellite-to-ground transfer cable; the other is that when there is no external satellite-to-ground transfer cable, the ground power supply channel and the ground signal acquisition control channel are connected to the ground power supply channel connector and the ground signal acquisition control channel connector respectively.

[0047] The internal cables are designed to match the requirements of different signal sizes to meet different current sizes, and the layout of the internal cables and the way the cables are twisted are designed.

[0048] Embodiment 2:

[0049] A test device for simulating a dual-source satellite power supply channel based on a satellite plug electrical connection, the device comprising:

[0050] A: Simulated star table connector

[101] , which is installed on the front panel of the device and is used to simulate the star table connector and connect the satellite-to-ground transfer cable to realize the simulation of the satellite-to-ground channel;

[0051] B: ground power supply channel connector

[102] , the ground power supply channel connector is installed on the front panel of the device, connected to the power supply cable of the ground power supply device, to realize the detection of the ground power supply channel;

[0052] C: Ground signal acquisition control channel connector

[103] , the ground signal channel connector is installed on the front panel of the device, connected to the ground industrial computer, to realize ground analog signal acquisition and contact signal control;

[0053] D: Universal satellite platform equivalent device connector

[104] , which is installed on the rear panel of the device and transfers analog signals such as the status of the star table protection plug and bus voltage simulated by the universal satellite platform equivalent device to the contact quantity collection interface of the transmitter and control console;

[0054] E: Internal cable

[105] , the internal cable is used to connect the connectors on the front and rear panels, and to connect high-power resistors.

[0055] F: High power resistor

[106] , which is used to protect the path of the power supply current detection of the general satellite equivalent device to prevent excessive current.

[0056] In order to achieve the adaptation of the satellite table plug to the universal satellite interface equivalent device, the connection of the simulated satellite table plug, the universal satellite platform equivalent device plug and the internal transfer cable is designed; in order to realize the simulation of the dual-source satellite power supply channel, the ground power supply channel connector and the ground signal acquisition control channel connector are designed, and the interface between the power supply channel interface and the ground acquisition signal is provided; the front panel is designed with a simulated satellite table connector, which can realize the satellite platform equivalent test with a satellite-to-ground transfer cable; the front panel is designed with other ground connectors, which can realize the satellite platform equivalent test without a satellite-to-ground transfer cable; the internal cable is designed according to the requirements of different signal sizes, and the matching cable is designed to meet different current sizes. According to the requirements of different signal anti-interference, the internal cable layout and cable twisting method are designed to avoid electromagnetic signal interference between different signals.

[0057] According to the present invention, a test device for simulating a dual-source satellite power supply channel based on a satellite plug electrical connection is provided to realize the collection of 10 power supply signals and the transfer of 15 passive contacts, 2 holding contacts, 3 instantaneous contacts and 3 analog signals, including:

[0058] A: The collection of the 10 power supply signals includes the collection of the voltage of the ground power supply line by the universal satellite platform equivalent device, and the number of power supply channels is 10;

[0059] B: The switching of the 15 passive contact signals includes the flight plug indication of the satellite-rocket separation, the flight plug indication of the solar array pyrotechnics 1-6, the flight plug indication of the solar array pyrotechnics 7-10, the flight plug indication of the antenna pyrotechnics 1-6, the flight plug indication of the antenna pyrotechnics 7-10, the flight plug indication of the self-locking valve, the flight plug indication of the intelligent management, the flight plug indication of the attitude and orbit control ground test, the flight plug indication of the power supply and distribution test, the flight plug indication of the intersatellite laser hot knife, the flight plug indication of the drive mechanism motor, the status recovery of the travel switch 1, the status recovery of the travel switch 2, the status recovery of the travel switch 3 and the status recovery of the travel switch 4;

[0060] C: The transfer of the two-way holding contact signal includes a power controller separation signal and an intelligent management unit separation signal;

[0061] D: The switching of the three instantaneous contact signals includes a discharge switch 1 wired shutoff instruction, a discharge switch 2 wired shutoff instruction, and a discharge switch 3 wired shutoff instruction;

[0062] E: The transfer of the three analog signals, including bus voltage, 31V platform bus voltage and battery pack voltage;

[0063] F: High-power resistor protects the power supply signal acquisition circuit of the universal satellite platform equivalent device.

[0064] Figure 1 The present invention provides a front panel of a test device for simulating a dual-source satellite power supply channel based on a satellite table plug electrical connection, comprising a simulated satellite table connector

[101] , a ground power supply channel connector

[102] and a ground signal acquisition control channel connector

[103] . There are two cases: case (1) when there is an external satellite-to-ground transfer cable, the ground power supply channel and the ground signal acquisition control channel can be transferred to the satellite table node through the external satellite-to-ground transfer cable and connected to the simulated satellite table connector

[101] ; case (2) when there is no external satellite-to-ground transfer cable, the ground power supply channel and the ground signal acquisition control channel are connected to the ground power supply channel connector

[102] and the ground signal acquisition control channel connector

[103] respectively.

[0065] Figure 2 The rear panel of a test device for simulating a dual-source satellite power supply channel based on a satellite plug electrical connection provided by the present invention comprises a universal satellite platform equivalent device connector

[104] . The universal satellite platform equivalent device connector is connected to the universal satellite platform equivalent device through an external dedicated satellite platform equivalent device adapter cable.

[0066] Figure 3 A connection diagram of a test device for simulating a dual-source satellite power supply channel based on a satellite table plug electrical connection provided by the present invention, including a connector on the front panel ( Figure 1 ), rear panel connectors ( Figure 2 ), internal cables

[105] and high power resistors

[106] .

[0067] The device adopts the following electromagnetic measures to meet the compatibility requirements: Reasonably plan the layout of the circuit board, and keep the noise-sensitive circuit parts away from the noise source; use power isolation and signal isolation methods to physically isolate the high and low voltage of the internal circuit, and use electromagnetic isolation with external communication; the shell adopts a fully enclosed design, the aluminum alloy shell adopts conductive anodizing treatment, and the joint surface adopts conductive rubber and conductive foam to ensure the electrical continuity of the entire shell and reliably shield the external interference source. Good grounding, shielding and filtering. The external connection cable uses shielded wires.

[0068] Those skilled in the art may understand this embodiment as a more specific description of Embodiment 1.

[0069] In the description of the present application, it should be understood that the terms "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0070] The above describes the specific embodiments of the present invention. It should be understood that the present invention is not limited to the above specific embodiments, and those skilled in the art can make various changes or modifications within the scope of the claims, which does not affect the essence of the present invention. In the absence of conflict, the embodiments of the present application and the features in the embodiments can be combined with each other arbitrarily.

Claims

1. A test device for simulating a dual-source satellite power supply channel electrically connected to a satellite plug, characterized in that: include: Simulated star table connector: installed on the front panel of the device, used to simulate the star table connector, connect the satellite-to-ground transfer cable, and realize the simulation of the satellite-to-ground channel; Ground power supply channel connector: installed on the front panel of the device, connected to the power supply cable of the ground power supply equipment to detect the ground power supply channel; Ground signal acquisition control channel connector: installed on the front panel of the device, connected to the ground industrial computer to realize ground analog signal acquisition and contact signal control; Universal satellite platform equivalent device connector: installed on the rear panel of the device, it transfers the satellite table protection plug status and bus voltage analog signal simulated by the universal satellite platform equivalent device to the contact quantity acquisition interface of the transmitter and control console; Internal cable: used to connect the connectors on the front and rear panels, and the high-power resistors; High-power resistor: used to protect the supply current detection path of general satellite equivalent devices.

2. The test device for simulating a dual-source satellite power supply channel of a satellite plug electrical connection according to claim 1, characterized in that: The device collects 10 power supply signals and transfers 15 passive contacts, 2 holding contacts, 3 instantaneous contacts and 3 analog signals.

3. The test device for simulating a dual-source satellite power supply channel of a satellite plug electrical connection according to claim 2, characterized in that: The collection of the 10 power supply signals includes the collection of the voltage of the ground power supply line by the universal satellite platform equivalent device.

4. The test device for simulating a dual-source satellite power supply channel of a satellite plug electrical connection according to claim 2, characterized in that: The switching of the 15 passive contact signals includes the satellite-rocket separation flight plug indication, the solar array pyrotechnics flight plug indication, the antenna pyrotechnics flight plug indication, the self-locking valve flight plug indication, the intelligent management flight plug indication, the attitude and orbit control ground test flight plug indication, the power supply and distribution test flight plug indication, the intersatellite laser hot knife flight plug indication, the drive mechanism motor flight plug indication and the travel switch status recovery.

5. The test device for simulating a dual-source satellite power supply channel of a satellite plug electrical connection according to claim 2, characterized in that: The switching of the two-way holding contact signal includes a power controller separation signal and an intelligent management unit separation signal.

6. The test device for simulating a dual-source satellite power supply channel of a satellite plug electrical connection according to claim 2, characterized in that: The switching of the three instantaneous contact signals includes a discharge switch shutoff wired instruction.

7. The test device for simulating a dual-source satellite power supply channel of a satellite plug electrical connection according to claim 2, characterized in that: The three analog signal transfers include bus voltage, platform bus voltage and battery pack voltage.

8. The test device for simulating a dual-source satellite power supply channel of a satellite plug electrical connection according to claim 1, characterized in that: The device also includes electromagnetic compatibility design, including reasonable planning of circuit board layout, use of power isolation and signal isolation methods, a fully enclosed aluminum alloy housing, and use of shielded wires as external connection cables.

9. The test device for simulating a dual-source satellite power supply channel of a satellite plug electrical connection according to claim 1, characterized in that: The front panel of the device is designed with two connection modes: one is that when there is an external satellite-to-ground transfer cable, the ground power supply channel and the ground signal acquisition control channel are transferred to the satellite table node through the external satellite-to-ground transfer cable; The other is to connect the ground power supply channel and the ground signal acquisition control channel to the ground power supply channel connector and the ground signal acquisition control channel connector respectively when there is no external satellite-to-ground transfer cable.

10. The test device for simulating a dual-source satellite power supply channel of a satellite plug electrical connection according to claim 1, characterized in that: The internal cable is designed to match the requirements of different signal sizes to meet different current sizes, and the layout of the internal cable and the twisted pair mode of the cable are designed.

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