CN101713802A - Fault on-line repairing method for satellite power supply and distribution test system - Google Patents
Fault on-line repairing method for satellite power supply and distribution test system Download PDFInfo
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- CN101713802A CN101713802A CN200910237620A CN200910237620A CN101713802A CN 101713802 A CN101713802 A CN 101713802A CN 200910237620 A CN200910237620 A CN 200910237620A CN 200910237620 A CN200910237620 A CN 200910237620A CN 101713802 A CN101713802 A CN 101713802A
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Abstract
The invention discloses a fault on-line repairing method for satellite power supply and distribution test system, which can fast repair the fault of power supply and distribution test equipments on line in thermal tests, aging tests and other tests in which the satellite needs continuous powering up. The internal components of the power supply and distribution test equipments are encapsulated in the plug-in or guide-way form, and simultaneously modular structure designing method is adopted to lead a magnetic latching relay can be fast replaced when in fault; the digital quantity output and input adopt dual redundant configuration, and the analog quantity output signals are displayed by a measurement display unit; the solar cell array simulator output is directly loaded on the satellite via independent interface; a flow backward resisting diode is connected in series between a voltage stabilization source power supply positive line, and an analog quantity outgoing line is connected with a protective resistor in series to prevent the on-satellite products from being influenced by cable plugging when the satellite is powered up; on the basis of satellite-ground synergic design, the redundant resources can be started by fast replacing the faulted modules one faults occur to the equipments to realize equipment on-line repairing.
Description
Technical field
The present invention relates to a kind of fault on-line repairing method of satellite ground power supply and distribution test macro, especially the structure of moonlet power supply and distribution test system and fault on-line repairing method thereof.
Background technology
Power supply and distribution test equipment is the key equipment that satellite is supplied distribution control and wired parameter acquisition.If equipment breaks down, when the daily test of satellite, can implement the satellite outage, treat the plant issue location and repair back continuation test, but this way can have influence on the testing progress of satellite, especially in the test process that satellites such as heat test, seasoned test require to power up continuously, in case testing apparatus breaks down and can't repair fast the time, will threaten product safety on the star, can only abort, test was again wasted time and energy after pending fault was repaired.
The On-line Fault reparation of power supply and distribution test equipment, promptly under the situation that satellite does not cut off the power supply, finish maintenance of equipment after, equipment is connected with satellite again, continue test.The reparation of power supply and distribution test equipment On-line Fault relates to following aspect: test macro makes up (mainly comprising the design of star ground Interface design and equipment scheme) fault immediate processing method, On-line Fault is repaired venture analysis and solution etc.
Present power supply and distribution test equipment function is relatively uniform, as number of patent application is the disclosed a kind of satellite ground power supply and distribution test macro based on PLC and Profibus fieldbus of utility model of CN200720173870.4, mainly constitute by digital quantity output control, digital data acquisition, analog acquisition functional module, though can satisfy the testing requirement of satellite, not have the ability that On-line Fault is repaired.
Summary of the invention
Technology of the present invention is dealt with problems and is: overcome the deficiencies in the prior art, provide a kind of can the online method that the fault of satellite power supply and distribution test system is repaired.
Technical solution of the present invention is: a kind of fault on-line repairing method of satellite power supply and distribution test system comprises test macro construction method and fault restoration method:
The construction method of test macro is as follows:
(1) makes up ground power supply and distribution test equipment, power supply and distribution test equipment comprises Programmable Logic Controller and peripheral modulate circuit, peripheral modulate circuit comprises electromagnetic relay, solid-state relay, isolated amplifier, Programmable Logic Controller comprises analog quantity load module AI, digital quantity input module DI, digital quantity output module DO and testing control module, analog quantity output signals enters analog quantity load module AI through isolated amplifier on the star, the digital quantity output signal enters digital quantity input module DI through solid-state relay on the star, digital quantity output module DO sends the digital quantity control signal and feeds back to satellite through electromagnetic relay, and testing control module is controlled the work of whole Programmable Logic Controller;
(2) make up the universal measurement display unit, comprise isolating amplifier circuit, charactron, key switch and analog measurement hole; Isolating amplifier circuit comprises DC/DC switching device, front end analog quantity division module and Isolation Amplifier Module, analog signals is converted to voltage signal and amplifies; Charactron is measured, is shown through isolating the voltage after amplifying; Key switch switches analog quantity and shows path, and tested voltage signal is launched in the analog measurement hole;
(3) electromagnetic relay, isolated amplifier, digital quantity output module DO, digital quantity input module DI, analog quantity load module AI carry out plug-in or guide tracked encapsulation in the ground power supply and distribution test equipment;
(4) control between digital quantity output module DO, digital quantity input module DI and the satellite, collection circuit adopt the two-way redundant configuration;
(5) analog quantity output signals also direct shunt when delivering to isolated amplifier leads to analog quantity and draws socket on the star;
(6) the digital quantity control signal of being sent by digital quantity output module DO that feeds back to satellite is connected with executive component by magnetic latching relay, the IO interface that described magnetic latching relay is installed on the removable mechanical module and design is connected with magnetic latching relay on mechanical module;
(7) the solar battery array simulator is directly by stand-alone interface and pull-off plug cable and satellite is connected and be the satellite power supply;
(8) between stabilized voltage supply power supply main track and satellite bus, be connected in series the anti-diode that pours in down a chimney, with clock star patrix plan measuring-signal export with star on be connected in series protective resistance between the corresponding contact of umbilical connector socket;
The fault on-line repairing method of test macro is as follows:
(1) before satellite powers up, universal measurement display unit and analog quantity are drawn socket to be connected, when the analog quantity input is broken down, open universal measurement display unit power supply, by the universal measurement display unit analog quantity is drawn on the socket output signal of each analog quantity and sample and show, get rid of the analog quantity input fault;
(2) when the input of the analog quantity between satellite and Programmable Logic Controller appearance is unusual, at first implement the power supply and distribution test equipment outage, the connection status that keeps solar battery array simulator and pull-off plug cable, disconnect the plug that power supply and distribution test equipment is connected with the pull-off plug cable, change isolated amplifier or analog quantity load module AI;
(3) when the output of the digital quantity between satellite and Programmable Logic Controller appearance is unusual, switch the operation circuit between digital quantity output module DO and the satellite, make backup operation circuit work or change electromagnetic relay, magnetic latching relay, digital quantity output module DO, digital quantity input module DI;
(4) when the input of the digital quantity between satellite and Programmable Logic Controller appearance is unusual, switch the collection circuit between digital quantity input module DI and the satellite, make backup collection line work or change solid-state relay, digital quantity input module DI.
The present invention's advantage compared with prior art is:
(1) the constructed satellite ground power supply and distribution test macro of the present invention has the On-line Fault repair function, can be under the situation that satellite does not cut off the power supply prosthetic appliance fault fast, guarantee carrying out smoothly of satellite test and test;
(2) ground testing system internal components of the present invention is all selected plug-in or guide tracked encapsulation for use, and employing modular construction method for designing, make that being encapsulated the electromagnetic relay limitting, be not easy to dismantle can be replaced fast, strengthened the maintenanceability of equipment, when equipment breaks down, can change defective device or module fast, realize online reparation;
(3) digital quantity output of the present invention, input functional module adopt Redundancy Design, when a certain way word output quantity breaks down, device hardware are not carried out any operation, also need not device powers down, can realize fault restoration by the control to amount of redundancy;
(4) analog quantity directly leads to apparatus socket before leading to the power supply and distribution test equipment isolated amplifier along separate routes on the star of the present invention, and make up general measurement display unit, backup as the analog measurement module, when the analog measurement functional module breaks down, the universal measurement display unit is opened, do not needed that original equipment is carried out any operation and can realize fault restoration;
(5) the present invention adopts the output of solar battery array simulator to pass through the independently direct pattern that is connected with satellite pull-off plug cable of interface, therefore disconnect when carrying out the problem investigation from the star ground circuit at power supply and distribution test equipment, the solar battery array simulator still can be powered to satellite, can reliably guarantee equipment failure repair time in the process that satellites such as heat test, seasoned test need power up for a long time;
(6) the present invention prevents pouring in down a chimney diode at solar battery array in source of stable pressure power supply main track to the serial connection between the satellite bus of power supply and distribution test equipment output; and simultaneously be connected in series protective resistance between the corresponding contact of umbilical connector socket simulating on the star on measuring amount (satellite busbar voltage, cell voltage, load current) and the star, can prevent that cable from plugging product on the operating influence star.
Description of drawings
Fig. 1 is the FB(flow block) of the inventive method;
System when Fig. 2 tests for adopting the inventive method forms schematic diagram.
Embodiment
Be illustrated in figure 1 as power supply and distribution test equipment fault on-line repairing method main contents of the present invention and process flow diagram, Figure 2 shows that the power supply and distribution test system pie graph when adopting the inventive method to test.
The inventive method comprises test macro construction method and fault restoration method, and wherein, the construction method of test macro is as follows:
(1) makes up ground power supply and distribution test equipment, power supply and distribution test equipment comprises Programmable Logic Controller and peripheral modulate circuit, peripheral modulate circuit comprises electromagnetic relay, solid-state relay, isolated amplifier, Programmable Logic Controller comprises analog quantity load module AI, digital quantity input module DI, digital quantity output module DO and testing control module, analog quantity output signals enters analog quantity load module AI through isolated amplifier on the star, the digital quantity output signal enters digital quantity input module DI through solid-state relay on the star, digital quantity output module DO sends the digital quantity control signal and feeds back to satellite through electromagnetic relay, and testing control module is controlled the work of whole Programmable Logic Controller; Can referring to number of patent application the disclosed a kind of satellite ground power supply and distribution test macro of utility model of CN200720173870.4 specifically based on PLC and Profibus fieldbus;
(2) make up the universal measurement display unit, mainly by isolating amplifier circuit, charactron, key switch, the analog measurement hole constitutes, wherein, isolating amplifier circuit mainly comprises the DC/DC switching device, front end analog quantity division module and Isolation Amplifier Module, wherein, measure display unit and have the measurement range selection function, realize that by selecting different divider resistances analog signals is converted to voltage signal, charactron is used for measuring, demonstration is through isolating the voltage after amplifying, key switch is used to switch analog quantity and shows path, and measured hole is used to launch tested voltage signal, and the measurement display unit of Gou Jianing is applicable to all satellites thus;
(3) electromagnetic relay, isolated amplifier, digital quantity output module DO, digital quantity input module DI, analog quantity load module AI carries out plug-in or guide tracked encapsulation: electromagnetic relay adopts the G2R-2-SND24DC type relay of Omron Corp, digital collection and control module are selected the DI of the guide tracked installation of Siemens for use, the DO module, isolated amplifier is the weak link that power supply and distribution test equipment is easy to damage, the satellite power supply and distribution testing apparatus all adopts the ISO series isolated amplifier of DIP encapsulation at present, can only realize the replacing of plate level, the designed power supply and distribution test equipment of the present invention adopts the Combine 664AY-4L or the Combine 664AF/4 type isolated amplifier of guide tracked encapsulation, can realize quick replacing;
(4) control between digital quantity output module DO, digital quantity input module DI and the satellite, collection circuit adopt the two-way redundant configuration, with the output of two-way digital quantity, the same actuator action of input channel (comprising relay, digitizing output, load module path, software control amount) Parallel Control;
(5) analog quantity output signals also direct shunt when delivering to isolated amplifier leads to analog quantity and draws socket on the star;
(6) the digital quantity control signal of being sent by digital quantity output module DO that feeds back to satellite is connected with executive component by magnetic latching relay, the IO interface that magnetic latching relay is installed on the removable mechanical module and design is connected with magnetic latching relay on mechanical module.The magnetic latching relay (adopting the bigger 2JB30 type relay of contact load-bearing capacity) of control source of stable pressure power supply break-make, because its packages limits, and the electric current by its contact is bigger, the welding power line is more, not quick detachable, the design adopts it is installed on dismountable parts, again these parts are installed in the cabinet, and the interface that has designed these parts and peripheral circuit (comprises input, output signal), the interface electric connector adopts the Y2-50 type, and the signal that contact transmitted mainly comprises stabilized voltage supply power supply main track, sampling main track input interface and the output interface behind the magnetic latching relay contact of control power supply break-make;
(7) the solar battery array simulator is directly by stand-alone interface and pull-off plug cable and satellite is connected and be the satellite power supply.Only depend on the star storage battery power supply may be not enough to guarantee On-line Fault repair time, Given this, the present invention has broken traditional energy flow transmission path---and sun square formation simulator is earlier through power supply and distribution test equipment, transfer to satellite again, but the pattern that adopts the output of solar battery array simulator directly to broadcast TV programs by satellite by interface independently, therefore disconnect when carrying out the problem investigation from the star ground circuit at power supply and distribution test equipment, the solar battery array simulator still can be powered to satellite, in heat test, reliably in the process that satellites such as seasoned test need power up for a long time guarantee equipment failure repair time;
(8) between stabilized voltage supply power supply main track and satellite bus, be connected in series and prevent pouring in down a chimney diode, with being connected in series protective resistance between the corresponding contact of umbilical connector socket on clock star patrix plan measuring amount (satellite busbar voltage, cell voltage) and the star; So far, the power supply and distribution test equipment structure that can carry out the On-line Fault reparation is finished.
The fault on-line repairing method of test macro is as follows:
(1) before satellite powers up, universal measurement display unit and analog quantity are drawn socket to be connected, when the analog quantity input is broken down, open universal measurement display unit power supply, by the universal measurement display unit analog quantity being drawn on the socket output signal of each analog quantity samples and shows, with the localization of faults, get rid of the analog quantity input fault fast;
(2) when the input of the analog quantity between satellite and Programmable Logic Controller appearance is unusual, at first implement the power supply and distribution test equipment outage, the connection status that keeps solar battery array simulator and pull-off plug cable, disconnect the plug that power supply and distribution test equipment is connected with the pull-off plug cable, change backup isolated amplifier or analog quantity load module DI;
(3) when the output of the digital quantity between satellite and Programmable Logic Controller appearance is unusual, switch the operation circuit between digital quantity output module DO and the satellite, make backup operation circuit work or change electromagnetic relay, magnetic latching relay, digital quantity output module DO, digital quantity input module DI;
(4) when the input of the digital quantity between satellite and Programmable Logic Controller appearance is unusual, switch the collection circuit between digital quantity input module DI and the satellite, make backup collection line work or change solid-state relay, digital quantity input module DI;
(5) in carrying out the breakdown maintenance process, if must change the device interior module, then at first need to disconnect the stube cable of power supply and distribution test equipment and satellite, wherein some signal wire is a Satellite Simulation amount slotted line, have certain voltage signal on these slotted lines, so the prerequisite of On-line Fault reparation is to take measures to guarantee that the cable plug does not influence the safety of product on the star.At first, prevent pouring in down a chimney diode, guarantee power supply main track no-voltage signal by source of stable pressure power supply main track to serial connection between the satellite bus in power supply and distribution test equipment output; For analog measurement extension line (cell voltage, busbar voltage, load current); serial connection 1K Ω protective resistance on star; prevent to occur in the cable plug process abnormal conditions and damage product on the star; even the worst situation takes place---positive negative wire short circuit, also just cause shunting) to maximum 28.5mA of bus or 42mA (domestic moonlet busbar voltage is 28.5V or 42V).
The content that is not described in detail in the instructions of the present invention belongs to those skilled in the art's known technology.
Claims (1)
1. the fault on-line repairing method of a satellite power supply and distribution test system is characterized in that comprising test macro construction method and fault restoration method:
The construction method of test macro is as follows:
(1) makes up ground power supply and distribution test equipment, power supply and distribution test equipment comprises Programmable Logic Controller and peripheral modulate circuit, peripheral modulate circuit comprises electromagnetic relay, solid-state relay, isolated amplifier, Programmable Logic Controller comprises analog quantity load module AI, digital quantity input module DI, digital quantity output module DO and testing control module, analog quantity output signals enters analog quantity load module AI through isolated amplifier on the star, the digital quantity output signal enters digital quantity input module DI through solid-state relay on the star, digital quantity output module DO sends the digital quantity control signal and feeds back to satellite through electromagnetic relay, and testing control module is controlled the work of whole Programmable Logic Controller;
(2) make up the universal measurement display unit, comprise isolating amplifier circuit, charactron, key switch and analog measurement hole; Isolating amplifier circuit comprises DC/DC switching device, front end analog quantity division module and Isolation Amplifier Module, analog signals is converted to voltage signal and amplifies; Charactron is measured, is shown through isolating the voltage after amplifying; Key switch switches analog quantity and shows path, and tested voltage signal is launched in the analog measurement hole;
(3) electromagnetic relay, isolated amplifier, digital quantity output module DO, digital quantity input module DI, analog quantity load module AI carry out plug-in or guide tracked encapsulation in the ground power supply and distribution test equipment;
(4) control between digital quantity output module DO, digital quantity input module DI and the satellite, collection circuit adopt the two-way redundant configuration;
(5) analog quantity output signals also direct shunt when delivering to isolated amplifier leads to analog quantity and draws socket on the star;
(6) the digital quantity control signal of being sent by digital quantity output module DO that feeds back to satellite is connected with executive component by magnetic latching relay, the IO interface that described magnetic latching relay is installed on the removable mechanical module and design is connected with magnetic latching relay on mechanical module;
(7) the solar battery array simulator is directly by stand-alone interface and pull-off plug cable and satellite is connected and be the satellite power supply;
(8) between stabilized voltage supply power supply main track and satellite bus, be connected in series the anti-diode that pours in down a chimney, with clock star patrix plan measuring-signal export with star on be connected in series protective resistance between the corresponding contact of umbilical connector socket;
The fault on-line repairing method of test macro is as follows:
(1) before satellite powers up, universal measurement display unit and analog quantity are drawn socket to be connected, when the analog quantity input is broken down, open universal measurement display unit power supply, by the universal measurement display unit analog quantity is drawn on the socket output signal of each analog quantity and sample and show, get rid of the analog quantity input fault;
(2) when the input of the analog quantity between satellite and Programmable Logic Controller appearance is unusual, at first implement the power supply and distribution test equipment outage, the connection status that keeps solar battery array simulator and pull-off plug cable, disconnect the plug that power supply and distribution test equipment is connected with the pull-off plug cable, change isolated amplifier or analog quantity load module AI;
(3) when the output of the digital quantity between satellite and Programmable Logic Controller appearance is unusual, switch the operation circuit between digital quantity output module DO and the satellite, make backup operation circuit work or change electromagnetic relay, magnetic latching relay, digital quantity output module DO, digital quantity input module DI;
(4) when the input of the digital quantity between satellite and Programmable Logic Controller appearance is unusual, switch the collection circuit between digital quantity input module DI and the satellite, make backup collection line work or change solid-state relay, digital quantity input module DI.
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| 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 |
| CN109742843A (en) * | 2018-12-27 | 2019-05-10 | 中国空间技术研究院 | A kind of power supply and distribution Reconfigurable Control system and method towards mass flight validation |
| CN109781058A (en) * | 2019-01-24 | 2019-05-21 | 上海耀华称重系统有限公司 | Strain gauge load cell simulator |
| CN109781058B (en) * | 2019-01-24 | 2020-11-17 | 上海耀华称重系统有限公司 | Strain sensor simulator |
| CN110007587A (en) * | 2019-03-27 | 2019-07-12 | 国网上海市电力公司 | A kind of electric system time synchronization clock apparatus does not have a power failure the method for replacement |
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