CN105607520A - Remote measurement acquisition control device for general extensible spacecraft - Google Patents
Remote measurement acquisition control device for general extensible spacecraft Download PDFInfo
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Abstract
The invention relates to a remote measurement acquisition control device for a general extensible spacecraft. The device comprises N multipath selection control modules A, M multipath selection control module B, a signal conditioning and amplification control unit and an analog-to-digital conversion control unit. The device can realize multipath selection for remote measurement acquisition channels, signal conditioning and amplification and AD conversion, each control module can realize independent use and can further realize cascade use, acquisition demands of different application systems in different remote measurement types can be conveniently realized through mutual cooperation among various control modules, and adaptation capability of a spacecraft remote measurement acquisition circuit demanded by spacecrafts in different fields can be remarkably improved.
Description
Technical field
The invention belongs to spacecraft integrated electronics technical field, be specifically related to a kind of general, extendible boatIt device remote measurement amount acquisition control device.
Background technology
Spacecraft remote measurement is the only resource that spacecraft running status is grasped on ground, and telemetry-acquisition circuit is to obtainGet the important component part of spacecraft telemetry intelligence (TELINT). Telemetry-acquisition main circuit will be by multiplexer circuit, signalConditioning and amplifying circuit, analog to digital conversion circuit three part compositions, multiplexer circuit is for entering telemetered signalThe control of row gating, realizes multiplex telemetering signal to the sharing of signal condition and amplifying circuit, analog to digital conversion circuit,By the order gating to multiplexer circuit, can complete the acquisition order to multiplex telemetering signal.
Traditional spacecraft telemetry-acquisition circuit is built realization mainly with the components and parts that separate, multiplexer circuit,Signal condition and amplifying circuit, analog to digital conversion circuit all, by independently components and parts combination realization, have designThe shortcomings such as circuit is special, area occupied and power consumption large, expansion difficulty, can not adapt to spacecraft telemetry-acquisition electricityRoad application form difference is large, weight power consumption requires tight occasion, cannot reach spacecraft to miniaturization, hardwareThe object of circuit and module generalization and multiplexingization. Adopt the mode that split circuit builds need to be respectively simultaneouslyBetween components and parts, setting up communication cable,, very easily there is design mistake and the situation of doing over again in line design complexity,Can not adapt to the target that spacecraft is more and more expected to shorten the design cycle and promoted design instruction.
Summary of the invention
The technical problem that the present invention solves is: overcome the deficiencies in the prior art, with generalization, can expandedMode has realized a kind of telemetry-acquisition control device and has replaced traditional telemetry-acquisition split circuit, directly by distantThe assembling of surveying between acquisition control device realizes telemetry-acquisition circuit, the complexity having avoided building with separating component,Special circuit form, can shorten the design cycle, promotes design versatility, reliability, can extensive useIn the Acquisition Circuit of the various types of telemetry parameter of spacecraft, reach and improve telemetry-acquisition channel volume rate, liftingThe object of telemetry-acquisition circuit versatility and durability.
Technical solution of the present invention is: a kind of general extendible spacecraft telemetry-acquisition control device,Comprise N multichannel selection control module A, a M multichannel selection control module B, a M signal condition and putLarge control module, a M analog-to-digital conversion control module, each multichannel is selected the corresponding signal of control module BConditioning and amplification control module and an analog-to-digital conversion control module, N is more than or equal to zero integer, and M isPositive integer, wherein:
Multichannel is selected control module A: comprise address signal switch control unit group and multichannel selection control moduleGroup, wherein:
Address signal switch control unit group: comprise one or more than one address signal switching controls listUnit, the corresponding address control signal that receives the input of outside unlike signal source of each address signal switch control unitWith the selection control signal of selecting for signal source, when the selection control signal of correspondence that and if only if is effective, willThe address control signal of the signal source corresponding with effective selection control signal is standby as passage gating control signalWith;
Multichannel is selected control module group: comprise one or more than one multichannel selection control module, and eachMultichannel selection control module reception outside is inputted, other multichannel selects control module A or other multichannel to selectOne group of remote measurement amount input signal and the passage gating control signal of selecting control module B output, it is right that and if only ifWhen the passage gating control signal of answering is effective, by the remote measurement amount input corresponding with effective passage gating control signalSignal output;
Multichannel is selected control module B: comprise described address signal switch control unit group, described multichannelSelect control module group, also comprise acquisition order control module, acquisition order control module is cut address signalThe passage gating control signal of changing control module group output is according to address increment or successively decrease and sort, thenPassage gating control signal after sequence is delivered to multichannel and select control module group;
Described multichannel selects the multichannel in control module A to select the distant measuring-signal of control module group output to sendSelect control module A or other multichannel to select control module B to other multichannel, described multichannel is selected controlMultichannel in molding piece B is selected the distant measuring-signal of control module group output to deliver to other multichannel and is selected to control mouldPiece A, other multichannel are selected control module B or signal condition and are amplified control module, and deliver to signal and adjustThe distant measuring-signal of reason and amplification control module has and Jin You mono-tunnel;
Described multichannel is selected between control module A, multichannel is selected between control module B or multichannel choosingSelect control module A and multichannel and select to adopt between control module B cascade, parallel connection or side that both combineFormula combines;
Signal condition and amplification control module: according to the amplification control signal of outside input, to receiving remote measurementAmount signal carries out after the amplification of corresponding multiple, and the signal after amplifying is delivered to analog-to-digital conversion control module;
Analog-to-digital conversion control module: the signal after amplifying is carried out to the conversion of analog quantity to digital quantity, and by numberWord amount is exported to outside.
Described multichannel selects control module selected multichannel by the gating signal control in unlike signal source by selectionThe ratio of selecting passage multi channel selecting between control module is configured.
The present invention's advantage is compared with prior art:
(1) N of the present invention multichannel selects to possess application of the manystage cascade connection ability between control module A, by levelConnection is realized " tree-like " expansion to multichannel selected cell, and remote measurement amount input signal end is expanded to multiple remote measurementsAmount acquisition channel, has strengthened the adaptation of telemetry-acquisition control device to varying number remote measurement amount acquisition channel demandAbility;
(2) N of the present invention multichannel select control module A and same multichannel selection control module B itBetween possess application of the manystage cascade connection ability, select control module A level to be associated in multichannel by multichannel and select control module B'sFirst order multichannel is selected in control module, selects control module A to realize remote measurement amount acquisition channel by multichannelExpansion, selects control module B to realize the multistage selection to distant measuring-signal by multichannel, finally selects a road distantMeasuring-signal carries out signal condition and analog-to-digital conversion, has strengthened the expandability of telemetry-acquisition control device;
(3) N of the present invention multichannel select control module A and same multichannel selection control module B itBetween possess application power in parallel, multichannel selects control module A to select the first order in control module B as multichannelMultichannel is selected control module, completes together with selecting the first order multichannel selected cell in control module B with multichannelThe first order of distant measuring-signal is selected, and has strengthened telemetry-acquisition control device distant to varying number and variety classesThe collection adaptive capacity of measuring-signal;
(4) multichannel of the present invention selects to possess application power in parallel between control module group B, in the time of N=0,Distant measuring-signal after the selection of multichannel selection control module group B output both can have been delivered to signal condition and amplificationControl module, also can be used as the input of multichannel selection control module B in another telemetry-acquisition control device,Vice versa, reaches two signal conditions in telemetry-acquisition control device and turn with amplification control module and modulusChange the mutual redundancy backup of control module, and multichannel selects expansion remote measurement amount in parallel collection between control module B to lead toThe object in road, design plot ratio and the design flexibility of enhancing telemetry-acquisition control device;
(5) N of the present invention multichannel select to possess between control module A arrange distant measuring-signal main track andLoop line ratio ability, selecting the address signal switch control unit group in control module by multichannel is multichannel choosingSelect control module and select different address control signals, realize i multichannel and select control module group to take remote measurementAmount signal main track multichannel is selected, and j multichannel selects the control module amount of taking remote measurement signal loop line multichannel to select, itsMiddle i+j=N;
(6) single multichannel of the present invention select control module A inside to possess to arrange distant measuring-signal main track andLoop line ratio ability, selecting the address signal switch control unit in control module by multichannel is the many of correspondenceRoad selects control module to select different address control signals, realizes m multichannel and selects control module to carry out distantMeasuring-signal main track multichannel is selected, and n multichannel selects the control module amount of taking remote measurement signal loop line multichannel to select,Wherein m+n is that multiple multichannels select the multichannel that control module group inside comprises to select control module quantity;
(7) N of the present invention multichannel selected between control module A and M multichannel selection control moduleBetween B, possesses the unlike signal source of selection control ability, by the switching controls in unlike signal source and selection are comeUnder the highly reliable demand of adaptation spacecraft, telemetry-acquisition control device is subject to the need of the signal source co-controlling of redundancy backupAsk;
(8) N of the present invention multichannel selected between control module A and M multichannel selection control moduleBetween B, possess and the rear distant measuring-signal output enable of multichannel selection is independently set and forbids ability, by this functionCan prevent signal sneak path problem when multichannel is selected between control module cascade mutually or application in parallel, strengthenDesigned reliability;
(9) telemetry-acquisition control device of the present invention can be established by generalization and form that can expandedMeter, is applicable to being encapsulated as an independently integrated circuit by multi-chip integration packaging technology, avoids dividingCarry out line and the complicated shortcoming of design from circuit, have that the design cycle is short, designed reliability is high, design sideFormula and interface are unified, design plot ratio is high, design general and reusable advantage.
Brief description of the drawings
Fig. 1 is that the multichannel in apparatus of the present invention is selected control module A theory of constitution block diagram;
Fig. 2 is that the multichannel in apparatus of the present invention is selected control module B theory of constitution block diagram;
Fig. 3 is the first theory of constitution block diagram of apparatus of the present invention;
Fig. 4 is the second theory of constitution block diagram of apparatus of the present invention;
Fig. 5 is the third theory of constitution block diagram of apparatus of the present invention.
Detailed description of the invention
General extendible telemetry-acquisition control device provided by the invention with integrated, generalization, can expandChange and be designed to object. Make telemetry-acquisition device controlled by multi-control source by General design, configurableThe ability that relational implementation between remote measurement main track and remote measurement loop line gathers variety classes telemetry parameter in proportion; LogicalCross and can expanded design make between the inner each control module of telemetry-acquisition control device and telemetry-acquisition control dressBetween putting, possess mutual cascade and be used in conjunction with ability, realize the adaptation energy that varying number remote measurement amount passage is gatheredPower; Replace by Integration Design the backward design that traditional split circuit is built.
Of the present invention general expand telemetry-acquisition control device specifically by N multichannel select control module A,M multichannel selected control module B, selected control module B signal condition and amplification one to one with multichannelControl module, analog-to-digital conversion control module composition, specifically as shown in Figure 4, N is more than or equal to zero integer,M is positive integer, N=1 in Fig. 4, and M=1, also comprise that 1 multichannel is selected control module A and more than 1Control module B is selected on road.
Multichannel selects control module A to realize the multichannel selection to telemetry-acquisition passage, adopts for distant measuring-signalThe front end of collector, selects role as multichannel. As shown in Figure 1, multichannel select control module A specifically byMultiple address signal switch control units, multiple multichannel are selected control module composition, and wherein address signal switchesControl module is selected and switches the multiple sets of address signal of outside input, and multichannel is selected control module pairMany groups distant measuring-signals of outside input are selected, and by the distant measuring-signal output after selecting. In Fig. 1,First address switch method of remote signal unit I and address signal switch control unit II are according to selecting control signal IAnd select control signal II according to rule as shown in table 1,4 group address signals of outside input to be selectedSelect, from address control signal 1 and address control signal 2, select respectively 1 group address control signal I,From address control signal 3 and address control signal 4, select another 1 group address signal II, afterwards address letterNumber select control module 1 to address signal switch control unit 8 respectively corresponding multichannel selection control module 1 arriveMultichannel is selected control module 8, according to selecting control signal 1 to the low and high level state of selecting control signal 8Address control signal I and address control signal II are selected again, the address of selecting is controlledSignal is selected the selecting address signal input of control module as multichannel, it is root that each multichannel is selected control moduleAddress signal according to input selects respectively 1 to all distant measuring-signal of the corresponding outside input connectingRoad, and according to output enable signal 1 to the Determines of output enable signal 8 whether by the remote measurement of selectingAmount output 1 is exported 8 Gong Ba road signal outputs to remote measurement amount.
Table 1 address control signal selective rule
In Fig. 1, each multichannel selects control module can select to be subject to address control signal I or address to controlSignal II processed controls, and address control signal I is from address control signal 1 or address control signal 2,Address control signal II is from address control signal 3 or address control signal 4, wherein address control signal 1Can be from different signal sources to address control signal 4, reach multichannel and select control module A to be subject to unlike signalThe object that source is controlled, adapts to the demand that multichannel selects control module A controlled by redundancy backup signal source simultaneously.
In Fig. 1, address control signal 1 can be inconsistent to the address signal start bit of address control signal 4,As to set address control signal 1 be [m:n] with the address signal of address control signal 2, set address and controlSignal 3 is [m+k:n+k] with the address signal of address control signal 4, passes through address signal switching controlsAddress control signal I and address control signal II after unit I and address signal switch control unit II selectBetween pass be that address control signal 5 changes 2kInferior, address control signal 6 changes 1 time, and corresponding is subject toWhen the multichannel that address control signal I controls selects control module to select k road remote measurement amount input signal, be subject to addressThe multichannel that control signal II controls selects control module to select 1 tunnel remote measurement amount input signal, accordingly according to notRealize the ratio between remote measurement amount input signal main track and loop line is set with the collection of distant measurement parameter. In like mannerSelect control module A for multiple multichannels, part multichannel selects control module A and another part multichannel to selectBetween control module A, also can reach the same effect.
Multichannel selects control module B to realize the multistage multichannel selection to telemetry-acquisition passage, both can directly useMultichannel in distant measuring-signal is selected, and also can select control module A cascade with multichannel, believes as remote measurement amountThe rear end that number multichannel is selected, finally selects a distant measuring-signal in road and carries out signal condition and analog-to-digital conversion. AsShown in Fig. 2, multichannel selects control module B specifically to be selected by multiple address switchover control modules, multiple multichannelControl module, acquisition order control module composition, wherein address signal switch control unit is inputted outsideMultiple sets of address signal is selected and is switched, and acquisition order control module carries out the address signal of selectingIncreasing or decreasing processing, multichannel selects control module to complete the multi channel selecting to outside telemetered signal. In Fig. 2,First address switch method of remote signal unit according to address control signal 1 and address control signal 2 according to as table 2Shown rule is selected address control signal 1 and the address control signal 2 of outside input, will selectAfter address control signal 3 send into acquisition order control module. Wherein address control signal 1 and address are controlledSignal 2 can, from different signal sources, select control module B to be subject to superfluous by selecting control signal to reach multichannelThe object that remaining backup signal resource is controlled simultaneously.
Table 2 address control signal selective rule
In Fig. 2, according to the Determines of acquisition order control signal over the ground whether acquisition order control moduleLocation control signal 3 is processed, if acquisition order control signal is low level, directly will gather controlSignal 3 is exported, and now address control signal 4 increases progressively to being changed to from low to high of address control signal 10Order change, corresponding multichannel selects order that control module also increases progressively from low to high according to address to remote measurementAmount input signal carries out multichannel selection successively; If acquisition order control signal is high level, address is controlledData in signal 3 processed are carried out inverted sequence change process, and now address control signal 4 is to address control signal 10The order of successively decreasing from high to low of being changed to change, corresponding multichannel is selected control module according to address from high to lowThe order of successively decreasing is carried out multichannel selection successively to remote measurement amount input signal, realizes accordingly remote measurement amount input signalForward collection and oppositely gather.
In Fig. 2, multichannel is selected control module to be divided into multichannel and is selected control module (one-level) and multichannel selectionControl module (secondary), wherein multichannel selects control module (one-level) to the remote measurement of remote measurement amount input signal one-levelAmount loop line input signal carries out multichannel selection, and remote measurement amount output signal and remote measurement amount after multichannel is selected are returnedThe output of line output signal, delivers to multichannel simultaneously and selects in control module (secondary); Multichannel is selected control module(secondary) selects the remote measurement amount output signal of control module (one-level) output to carry out the choosing of secondary multichannel to multichannelSelect, finally select a road remote measurement amount output signal He Yi road remote measurement amount loop line output signal, and according to outputWhether enable signal 1 and output enable signal 2 determine by remote measurement amount output signal and remote measurement amount after selectingThe output of loop line output signal. Corresponding owning that multichannel selects control module (one-level) to connect thereinAfter remote measurement amount input signal is all selected, address control signal control multichannel is selected control module (secondary)Select next road, namely next multichannel is selected the remote measurement amount output signal of control module (one-level), complies withThe inferior remote measurement amount input signal of realizing multichannel selection control module (one-level) connection arrives remote measurement amount output signalGating, and remote measurement amount loop line input signal is to the gating of remote measurement amount loop line output signal. Except multichannel is selectedSelect outside the secondary selection of remote measurement amount output signal of control module (one-level), multichannel is selected control module (twoLevel) also can directly carry out multichannel selection to remote measurement amount input signal and remote measurement amount loop line input signal, realizeMultichannel selects control module A and multichannel to select multichannel in control module B to select control module (one-level) alsoConnection connects.
Signal condition and amplification control module receive multichannel and select after the distant measuring-signal of control module B outputDistant measuring-signal is carried out to the amplification of corresponding multiple according to amplifying control signal, send modulus by the signal after amplifyingTCU transfer control unit, completes the conversion of analog quantity to digital quantity by analog-to-digital conversion control module, and by digital quantityOutput.
The selection of the multichannel of distant measuring-signal and analog-digital conversion process carry out successively above, by letter is controlled in addressNumber control, the multichannel that completes 1 tunnel remote measurement amount input signal select and analog-to-digital conversion after, change address controlThe value of signal processed, again carries out the multichannel of next road remote measurement amount input signal and selects and analog-to-digital conversion, until willTill all remote measurement amount input signals all complete multichannel selection and analog-to-digital conversion.
General N multichannel expanding in telemetry-acquisition control device of the present invention select control module A itBetween and and M multichannel select can realize the multiple different combination such as cascade, parallel connection between control module BConnected mode.
In the time of N=0, distant measuring-signal directly selects control module B to carry out multichannel selection by multichannel, and directlyExport signal condition and amplifying unit to. In the occasion that telemetry-acquisition circuit reliability is had relatively high expectations, can lead toCross multiple multichannels select control module B, signal condition and amplify control module, that AD conversion unit is realized is rightThe collection of the distant measuring-signal in same road, also can be only to signal condition and amplification control module and analog-to-digital conversion controlUnit carries out redundancy backup, and multichannel is selected to be connected in parallel between control module B, realizes distant to not going the same wayThe collection of measuring-signal, as shown in Figure 3, now multichannel is selected the quantity M=2 of control module B, and remote measurement is adoptedMultichannel in collection control device 1 selects the multichannel in control module B to select control module (one-level) to remote measurementAmount signal carries out the selection of one-level multichannel, and the telemetered signal after multichannel is selected is delivered to the many of this control module insideControl module (secondary) is selected on road, delivers to multichannel in telemetry-acquisition control device 2 simultaneously and selects control module BIn multichannel select in control module (secondary), in like manner, in telemetry-acquisition control device 2, multichannel is selected controlThe telemetered signal that multichannel in molding piece B selects control module (one-level) to select also can be delivered to telemetry-acquisitionIn control device 1, multichannel selects the multichannel in control module B to select in control module (secondary). Now distantSurvey acquisition control device 1 and select control module (one-level) conduct with the multichannel in telemetry-acquisition control device 2Single part of circuit carries out multichannel selection to distant measuring-signal, and multichannel is selected control module (secondary), signal conditionAnd amplify control module, analog-to-digital conversion control module and realize many to distant measuring-signal as redundant backup circuitRoad is selected and analog-to-digital conversion.
When multichannel selects control module B forward to gather, increase progressively collection, remote measurement by address order from low to highAcquisition control device 1 first gathers the distant measuring-signal that in this device, multichannel selects control module B to connect, then adoptsThe distant measuring-signal that collection telemetry-acquisition control device 2 is sent here, in like manner telemetry-acquisition control device 2 first gathers thisThe remote measurement amount that device connects, the distant measuring-signal of sending here at collection telemetry-acquisition control device 1, causes remote measurementThe acquisition order of harvester 1 and telemetry-acquisition device 2 is inconsistent, can be by telemetry-acquisition device 2 manyRoad selects control module B to be set to inverted sequence collection, first gathers the distant measuring-signal that the device 1 of remote measurement control is sent here,Gather again the distant measuring-signal that this device connects, keep two telemetry-acquisition control device to distant measuring-signalAcquisition order is consistent.
In the time of N=1 and M=1, as shown in Figure 4, multichannel selects control module A to carry out distant measuring-signalMultichannel is selected, and after selecting, the distant measuring-signal of output is connected in multichannel selection control module B, realizes multichannelSelection control module A can realize and multichannel selects cascade or parallel combination between control module B to be connected. AsFruit multichannel is selected the distant measuring-signal of control module A output to be connected to multichannel and is selected the multichannel in control module BSelect control module (secondary) upper, multichannel selects control module A and multichannel to select in control module BIt is relation in parallel that multichannel is selected control module (one-level), and it is single that multichannel selects the multichannel in control module A to selectUnit selects the multichannel in control module B to select control module (one-level) in same grade, to distant with multichannelThe collection of measuring-signal is selected through secondary multichannel altogether; If multichannel is selected the remote measurement amount of control module A outputSignal is connected to multichannel and selects the multichannel in control module B to select control module (one-level) upper, multichannel choosingSelecting control module A and multichannel selects the multichannel in control module B to select control module (one-level) for cascade passSystem, selects through three grades of multichannels altogether to the collection of distant measuring-signal.
In the time of N >=2 and M=1, multichannel selection control module A and multichannel selection control module B can be simultaneously realExisting parallel connection and cascading connect. As shown in Figure 5, a part of multichannel selects control module A and multichannel to selectMultichannel in control module B is selected control module (one-level) cascade, and another part multichannel is selected control moduleA selects the multichannel in control module B to select control module (one-level) in parallel with multichannel, selects control with multichannelUnit processed (secondary) cascade, some multichannel selects control module A to carry out each other cascade connection,This cascade and connected mode in parallel can realize " tree-like " cascade expansion of multichannel being selected to control module,Realize any number of stages multichannel of distant measuring-signal is selected. If select all multichannels according to secondary multichannelSelect control module A all to select the multichannel in control module B to select control module (one-level) in parallel with multichannel,Select control module (secondary) cascade to be connected with multichannel, now telemetry-acquisition control device can be realized at most L2The collection of the distant measuring-signal in road, wherein L be single multichannel select control module the port number of energy gating; AsFruit is selected according to three grades of multichannels, and as shown in Figure 5, a part of multichannel selects control module A and multichannel to select controlMultichannel in molding piece B is selected control module (one-level) cascade, and another part multichannel is selected control module ABetween carry out selecting the multichannel in control module B to select control module (one-level) also with multichannel after two-level concatenationConnection, selects control module (secondary) cascade with multichannel, and now telemetry-acquisition control device can be realized at most L3The collection of the distant measuring-signal in road, wherein L be single multichannel select control module the port number of energy gating.
In the time of M >=2, multiple multichannels select control module B can carry out each other parallel connection or cascade connectsConnect, finally select a distant measuring-signal in road and deliver to corresponding signal condition and amplify control module, simultaneously everyIndividual multichannel selects control module B all can independently select control module A with multichannel by the mode of Fig. 4 or Fig. 5Carry out cascade or be connected in parallel.
The content not being described in detail in description of the present invention belongs to those skilled in the art's known technology.
Claims (2)
1. a general extendible spacecraft telemetry-acquisition control device, is characterized in that: comprise NMultichannel selects control module A, a M multichannel select control module B, a M signal condition and amplify and control listUnit, a M analog-to-digital conversion control module, each multichannel is selected the corresponding signal condition of control module B and is putLarge control module and an analog-to-digital conversion control module, N is more than or equal to zero integer, and M is positive integer,Wherein:
Multichannel is selected control module A: comprise address signal switch control unit group and multichannel selection control moduleGroup, wherein:
Address signal switch control unit group: comprise one or more than one address signal switching controls listUnit, the corresponding address control signal that receives the input of outside unlike signal source of each address signal switch control unitWith the selection control signal of selecting for signal source, when the selection control signal of correspondence that and if only if is effective, willThe address control signal of the signal source corresponding with effective selection control signal is standby as passage gating control signalWith;
Multichannel is selected control module group: comprise one or more than one multichannel selection control module, and eachMultichannel selection control module reception outside is inputted, other multichannel selects control module A or other multichannel to selectOne group of remote measurement amount input signal and the passage gating control signal of selecting control module B output, it is right that and if only ifWhen the passage gating control signal of answering is effective, by the remote measurement amount input corresponding with effective passage gating control signalSignal output;
Multichannel is selected control module B: comprise described address signal switch control unit group, described multichannelSelect control module group, also comprise acquisition order control module, acquisition order control module is cut address signalThe passage gating control signal of changing control module group output is according to address increment or successively decrease and sort, thenPassage gating control signal after sequence is delivered to multichannel and select control module group;
Described multichannel selects the multichannel in control module A to select the distant measuring-signal of control module group output to sendSelect control module A or other multichannel to select control module B to other multichannel, described multichannel is selected controlMultichannel in molding piece B is selected the distant measuring-signal of control module group output to deliver to other multichannel and is selected to control mouldPiece A, other multichannel are selected control module B or signal condition and are amplified control module, and deliver to signal and adjustThe distant measuring-signal of reason and amplification control module has and Jin You mono-tunnel;
Described multichannel is selected between control module A, multichannel is selected between control module B or multichannel choosingSelect control module A and multichannel and select to adopt between control module B cascade, parallel connection or side that both combineFormula combines;
Signal condition and amplification control module: according to the amplification control signal of outside input, to receiving remote measurementAmount signal carries out after the amplification of corresponding multiple, and the signal after amplifying is delivered to analog-to-digital conversion control module;
Analog-to-digital conversion control module: the signal after amplifying is carried out to the conversion of analog quantity to digital quantity, and by numberWord amount is exported to outside.
2. the general extendible spacecraft telemetry-acquisition control device of one according to claim 1,It is characterized in that: described multichannel selects control module to be subject to the gating signal control in unlike signal source by selectionSelect the ratio of passage multi channel selecting between control module to be configured to multichannel.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN111025964A (en) * | 2019-11-28 | 2020-04-17 | 山东航天电子技术研究所 | Telemetering signal input circuit and telemetering signal acquisition chip |
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| CN105607520B (en) | 2018-05-01 |
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