CN102722463B - Based on the polymorphic type data collecting and processing system of cPCI bus - Google Patents
Based on the polymorphic type data collecting and processing system of cPCI bus Download PDFInfo
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Abstract
The invention discloses a kind of polymorphic type data collecting and processing system based on cPCI bus, comprise front-end equipment and coupled rear end equipment, string signal when being integrated with in front-end equipment for gathering multichannel, multichannel analog signals, multichannel contact signal and multiplex pulse signal also carry out pretreated multiple signals isolation modulate circuit to it, one FPGA, numeral I/O card, A/D capture card, 2nd FPGA and single-borad computer, and the main control system of rear end equipment carries out Long-distance Control to this acquisition processing system, to single-borad computer store multichannel time string signal, multiply digital signals, multichannel contact signal and multiplex pulse signal carry out in real time or discriminatory analysis afterwards respectively, corresponding preset range is exceeded when having, then highlight this signal and report to the police, thus the multiple types achieved based on cPCI bus, the intellectuality of the integrated and data analysis of multiple channel test signals collecting, and this system only has front-end equipment and rear end equipment, cumulative volume is less.
Description
Technical field
The present invention relates to a kind of electronic measurement system, particularly relate to a kind of polymorphic type data collecting and processing system based on cPCI bus that can be applicable to carrier rocket integration test.
Background technology
Carrier rocket test signal type and One's name is legion, cause testing apparatus of a great variety, the testing apparatus being widely used in Aerospace test field at present contains notes instrument, GPIB, CAMAC, VXI etc., numerous quantity and complicated type, in the test process of carrier rocket, bring many deficiencies and defect:
First, carrier rocket part subsystem often uses two kinds of even two or more testing apparatuss in test process, and make uphole equipment in large scale, the complicacy of itself brings the reduction of reliability, in test process, the fault of testing apparatus happens occasionally, and incurs loss through delay test period.Secondly, various testing apparatus also brings difficulty to the study of regular job and new operator, adds the possibility of maloperation.Again, current testing apparatus is expensive, and not easy care.Especially external special product, module, if there is fault, then buy, maintenance cycle be long, even may short supply.In addition, the data layout that each testing apparatus gets is numerous and diverse, is difficult to process and effectively utilizes, automatic analysis interpretation ability, the dependence manpower of interpretation work high degree.
Summary of the invention
The object of the present invention is to provide the polymorphic type data collecting and processing system based on cPCI bus that a kind of integration degree is high, volume is little.
For achieving the above object, the invention provides a kind of polymorphic type data collecting and processing system based on cPCI bus, comprising front-end equipment and coupled rear end equipment, wherein,
Described front-end equipment, comprising:
Multiple signals isolation modulate circuit, for carrying out anti-interference isolation and voltage conditioning respectively to string signal, multichannel analog signals, multichannel contact signal and multiplex pulse signal during the multichannel inputted;
One FPGA, the output gating of string signal isolation modulate circuit and data acquisition during for controlling described multichannel, the string signal during multichannel that multiple signals isolation modulate circuit described in buffer memory exports, and filtering, edge judgement and framing pre-service are carried out to gathered signal, write in the FIFO of digital I/O card after this has been sampled;
Numeral I/O card, when string signal reaches setting storage or setting-up time when the multichannel stored in its FIFO, is sent to single-borad computer by it by cPCI bus and stores;
A/D capture card, multichannel analog signals for being exported by described multiple signals isolation modulate circuit is transformed into corresponding multiply digital signals and stores, when the multiply digital signals stored in its FIFO reaches setting value, it is sent to described single-borad computer by described cPCI bus and stores;
2nd FPGA, the multichannel contact signal that multiple signals isolation modulate circuit exports for gathering, described in buffer memory and pre-service and multiplex pulse signal, and it is sent to described single-borad computer by cPCI bus controller and described cPCI bus stores;
Described rear end equipment comprises main control system, for carrying out Long-distance Control by universal network switching equipment to this acquisition processing system, during the multichannel simultaneously described single-borad computer collection stored string signal, multiply digital signals, multichannel contact signal and multiplex pulse signal show in real time respectively, store, discriminatory analysis and playback afterwards, exceed corresponding preset range when having, then highlight this signal and report to the police.
Polymorphic type data collecting and processing system based on cPCI bus of the present invention, string signal isolation modulate circuit when described multiple signals isolation modulate circuit comprises some roads, during every road, string signal isolation modulate circuit is used for being that the time string signal of 20V ~ 40V carries out isolation and nurses one's health by input voltage range, it comprises the optocoupler that model is TLP114A, voltage stabilizing diode D1, decoupling capacitor C1, diode D2, current-limiting resistance R1, pull-up resistor R2 and electric capacity C2, the input end of voltage stabilizing diode D1 and one end of current-limiting resistance R1 are corresponding to be respectively connected with the 3rd pin with the 1st of described optocoupler, decoupling capacitor C1 and diode D2 is connected between voltage stabilizing diode D1 and pull-up resistor R2 respectively, the other end of the output terminal of voltage stabilizing diode D1 and current-limiting resistance R1 respectively corresponding as electrode input end and negative input, 6th pin of described optocoupler meets+5V and is connected as signal output part by pull-up resistor R2 with the 5th pin of optocoupler, one termination+the 5V of electric capacity C2, its other end is ground connection together with the 4th pin of described optocoupler.
Polymorphic type data collecting and processing system based on cPCI bus of the present invention, described multiple signals isolation modulate circuit comprises some roads analog signal isolating modulate circuit, every road analog signal isolating modulate circuit is used for being that the simulating signal of-40V ~ 40V is carried out isolation and nursed one's health by input reference signal, and the analog signal conditioner after isolation being left under order decays in the scope of-5V ~+5V needed for described A/D capture card, it comprises the operational amplifier that model is OP07, model is the isolated amplifier of ISO124, resistance AR1, resistance AR2, resistance AR3, resistance AR4, resistance AR5, resistance AR6, resistance AR7, electric capacity AC1, electric capacity AC2, stabilivolt AD1, stabilivolt AD2, range switch AS1, AS2 and AS3, one end of resistance AR1 is as electrode input end, its other end is connected with one end of resistance AR2 and one end of range switch AS1 respectively, the resistance AR2 other end is connected with one end of resistance AR3 and one end of range switch AS2 respectively, the resistance AR3 other end is connected with one end of resistance AR4 and one end of range switch AS3 respectively, range switch AS1, the other end of AS2 with AS3 connecing is connected with the input end of stabilivolt AD1 and one end of resistance AR5 respectively afterwards, the other end of resistance AR5 is connected with the input end in the same way of operational amplifier, the output terminal of stabilivolt AD1 is connected with the output terminal of stabilivolt AD2, the input end of stabilivolt AD2 and the other end of resistance AR4 connect together as negative input, the output terminal of operational amplifier is connected with the 15th pin of its reverse input end and isolated amplifier respectively, 7th pin of isolated amplifier is connected with one end of resistance AR6, the other end of resistance AR6 is connected with one end of resistance AR7 and one end of electric capacity AC1 respectively, the other end of resistance AR7 and one end of electric capacity AC2 connect together as signal output part, the other end of electric capacity AC1 and the other end ground connection of electric capacity AC2.
Polymorphic type data collecting and processing system based on cPCI bus of the present invention, described multiple signals isolation modulate circuit comprises some roads contact signal isolation modulate circuit, described in every road, contact signal isolation modulate circuit is used for contact signal being carried out isolation conditioning, and the contact signal after isolation being left under order converts 0 ~+5V voltage signal to, it comprises the DC power supplier that model is WRA0512, model is the optocoupler of TLP114A, resistance R1, resistance R2, electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4, electrochemical capacitor C5, electrochemical capacitor C6, stabilivolt D1 and diode D2, the input end of stabilivolt D1 is connected with the 1st pin of optocoupler, the output terminal of stabilivolt D1 is as negative input, electric capacity C1 and diode D2 is connected between the 1st pin of optocoupler and the 3rd pin, and the input end of diode D2, output terminal is corresponding the 3rd pin and the 1st pin connecing optocoupler respectively, 3rd pin of optocoupler is connected with the 8th pin of DC power supplier, 6th pin of optocoupler meets+5V and is connected as signal output part by resistance R2 with its 5th pin, 4th pin ground connection of optocoupler and meet+5V by electric capacity C2, electrochemical capacitor C6 and electric capacity C3 is connected between the 8th pin of DC power supplier and the 6th pin, and the positive pole of electrochemical capacitor C6, negative pole is corresponding the 6th pin and the 8th pin connecing DC power supplier respectively, 1st pin and the 2nd pin of DC power supplier meet+24V, 6th pin of DC power supplier passes through resistance R1 as electrode input end, electrochemical capacitor C5 and electric capacity C4 is connected between the 1st pin of DC power supplier and the 2nd pin, and the positive pole of electrochemical capacitor C5, negative pole is corresponding the 2nd pin and the 1st pin connecing DC power supplier respectively.
Polymorphic type data collecting and processing system based on cPCI bus of the present invention, described multiple signals isolation modulate circuit comprises some roads pulse signal isolation modulate circuit, every road pulse signal isolation modulate circuit is used for pulse signal being carried out isolation conditioning, and the pulse signal after isolation being left under order converts the same frequency count pulse of 5V to, it comprises the optocoupler that model is TLP114A, electric capacity C1, diode D1, resistance R1, resistance R2 and phase inverter, 1st pin of optocoupler passes through resistance R1 as electrode input end, 3rd pin of optocoupler is as negative input, electric capacity C1 and diode D1 is connected between the 1st pin of optocoupler and the 3rd pin, and the input end of diode D1 and output terminal difference correspondence are connected with the 1st pin with the 3rd pin of optocoupler, 6th pin of optocoupler is met+5V and is linked together by resistance R2 and its 5th pin and to be connected with the input end of phase inverter, the output terminal of phase inverter is as signal output part, 4th pin ground connection of optocoupler.
Polymorphic type data collecting and processing system based on cPCI bus of the present invention, the every 0.2ms of a described FPGA sampling should be carried out data, and by present sample to data and the data that sample of front 0.2ms compare, if there occurs change, producing a latch/output identification signal, new data to be latched into again corresponding FIFO medium to be output simultaneously, if all data all do not change in one second, then FPGA exports current test data values, confirms self duty to test macro.
Polymorphic type data collecting and processing system based on cPCI bus of the present invention, described 2nd FPGA latches once the every 40ms of multiplex pulse signal accumulated counts result according to the order of system software, sampling should be carried out to the every 1ms of multichannel contact signal for described 2nd FPGA, latches data after sampling is in the FIFO of FPGA, the every 1ms of contact signal uploads once, the every 40ms of pulse signal uploads once, time, address, data message is all comprised in each Frame, for ensureing the reliability in data upload process, data upload adopts " shaking hands " pattern to carry out.
Polymorphic type data collecting and processing system based on cPCI bus of the present invention comprises front-end equipment and coupled rear end equipment, string signal when being wherein integrated with in front-end equipment for gathering multichannel, multichannel analog signals, multichannel contact signal and multiplex pulse signal also carry out pretreated multiple signals isolation modulate circuit to it, one FPGA, numeral I/O card, A/D capture card, 2nd FPGA and single-borad computer, the main control system of rear end equipment then carries out Long-distance Control by universal network switching equipment to this acquisition processing system, simultaneously to single-borad computer collection store multichannel time string signal, multiply digital signals, multichannel contact signal and multiplex pulse signal show respectively in real time, store, discriminatory analysis and afterwards playback, exceed corresponding preset range when having, then highlight this signal and report to the police, thus achieve multiple types, the integrated test analysis of multi channel signals, and this system only has front-end equipment and rear end equipment, and cumulative volume is less, achieves the miniaturization of the polymorphic type data collecting and processing system based on cPCI bus.
Accompanying drawing explanation
Fig. 1 is the structural representation of the polymorphic type data collecting and processing system based on cPCI bus of the present invention;
Fig. 2 is the circuit theory diagrams based on each road analog signal isolating modulate circuit in the polymorphic type data collecting and processing system of cPCI bus of the present invention;
Fig. 3 is the circuit theory diagrams based on each road contact signal isolation modulate circuit in the polymorphic type data collecting and processing system of cPCI bus of the present invention;
Fig. 4 is the circuit theory diagrams based on each road pulse signal isolation modulate circuit in the polymorphic type data collecting and processing system of cPCI bus of the present invention;
Fig. 5 be of the present invention based in the polymorphic type data collecting and processing system of cPCI bus during each road string signal isolation modulate circuit circuit theory diagrams.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail:
Shown in figure 1, the polymorphic type data collecting and processing system based on cPCI bus of the present embodiment comprises front-end equipment and coupled rear end equipment, multiple signals isolation modulate circuit, a FPGA, digital I/O card, A/D capture card, the 2nd FPGA and single-borad computer is integrated with in front-end equipment, wherein:
Multiple signals isolation modulate circuit, it is for carrying out anti-interference isolation and voltage conditioning respectively to string signal, multichannel analog signals, multichannel contact signal and multiplex pulse signal during the multichannel inputted, and when these multiple signals isolation modulate circuit comprises 512 tunnel, string signal isolates modulate circuit, 128 road analog signal isolating modulate circuits, 16 road contact signals isolate modulate circuits and 32 road pulse signals isolate modulate circuits, one FPGA, the output gating of string signal isolation modulate circuit and data acquisition when it is for controlling multichannel, buffer memory and pre-service multiple signals isolation modulate circuit export multichannel time string signal, and filtering is carried out to gathered signal, the pre-service such as edge judgement and framing, write in the FIFO of digital I/O card after this has been sampled, the every 0.2ms of one FPGA sampling should be carried out data, and by present sample to data and the data that sample of front 0.2ms compare, if there occurs change, producing a latch/output identification signal, new data to be latched into again corresponding FIFO medium to be output simultaneously, if all data all do not change in one second, then FPGA exports current test data values, self duty is confirmed to test macro, numeral I/O card, when string signal reaches setting storage or setting-up time when the multichannel stored in its FIFO, is sent to single-borad computer by it by cPCI bus and stores, A/D capture card, it is transformed into corresponding multiply digital signals for the multichannel analog signals of multiple signals being isolated modulate circuit output and stores, when the multiply digital signals stored in its FIFO reaches setting value, it is sent to single-borad computer by cPCI bus and stores, 2nd FPGA latches once the every 40ms of multiplex pulse signal accumulated counts result according to the order of system software, sampling should be carried out to the every 1ms of multichannel contact signal for 2nd FPGA, latches data after sampling is in the FIFO of FPGA, the every 1ms of contact signal uploads once, the every 40ms of pulse signal uploads once, all comprise time, address, data message in each Frame, for ensureing the reliability in data upload process, data upload adopts " shaking hands " pattern to carry out.
And rear end equipment mainly comprises main control system, it carries out Long-distance Control by universal network switching equipment to this acquisition processing system, during the multichannel simultaneously single-borad computer collection stored string signal, multiply digital signals, multichannel contact signal and multiplex pulse signal show in real time respectively, store, discriminatory analysis and ex-post analysis, corresponding preset range is exceeded when having, then highlight this signal and report to the police, wherein, analysis judges that the criterion used can carry out open setting according to the demand of user.
Shown in composition graphs 2, wherein, every road analog signal isolating modulate circuit is used for being that the simulating signal of-40V ~ 40V carries out isolation conditioning by input reference signal, and decays to isolating the analog signal conditioner after leaving under order in the scope of A/D capture card Suo Xu – 5V ~+5V.The sample frequency acquiescence 1kHz/ passage of every road analog signal isolating modulate circuit, the sampling period can require to change according to user, and the sampling rate of different passage is arranged can be different.Every road analog signal isolating modulate circuit comprises the operational amplifier that model is OP07, model is the isolated amplifier of ISO124, resistance AR1, resistance AR2, resistance AR3, resistance AR4, resistance AR5, resistance AR6, resistance AR7, electric capacity AC1, electric capacity AC2, stabilivolt AD1, stabilivolt AD2, range switch AS1, AS2 and AS3, one end of resistance AR1 is as electrode input end, its other end is connected with one end of resistance AR2 and one end of range switch AS1 respectively, the resistance AR2 other end is connected with one end of resistance AR3 and one end of range switch AS2 respectively, the resistance AR3 other end is connected with one end of resistance AR4 and one end of range switch AS3 respectively, the other end of range switch AS1, the other end of AS2 and the other end of AS3 connecing is connected with the input end of stabilivolt AD1 and one end of resistance AR5 respectively afterwards, the other end of resistance AR5 is connected with the input end in the same way of operational amplifier, the output terminal of stabilivolt AD1 is connected with the output terminal of stabilivolt AD2, the input end of stabilivolt AD2 and the other end of resistance AR4 connect together as negative input, the output terminal of operational amplifier is connected with the 15th pin of its reverse input end and isolated amplifier respectively, 7th pin of isolated amplifier is connected with one end of resistance AR6, the other end of resistance AR6 is connected with one end of resistance AR7 and one end of electric capacity AC1 respectively, the other end of resistance AR7 and one end of electric capacity AC2 connect together as signal output part, the other end of electric capacity AC1 and the other end ground connection of electric capacity AC2.
Shown in composition graphs 3, wherein, every road contact signal isolation modulate circuit is used for contact signal being carried out isolation conditioning, and the contact signal after isolation being left under order converts 0 ~+5V voltage signal to, every road contact signal isolation modulate circuit comprises the DC power supplier that model is WRA0512, model is the optocoupler of TLP114A, resistance R1, resistance R2, electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4, electrochemical capacitor C5, electrochemical capacitor C6, stabilivolt D1 and diode D2, the input end of stabilivolt D1 is connected with the 1st pin of optocoupler, the output terminal of stabilivolt D1 is as negative input, electric capacity C1 and diode D2 is connected between the 1st pin of optocoupler and the 3rd pin, and the input end of diode D2, output terminal is corresponding the 3rd pin and the 1st pin connecing optocoupler respectively, 3rd pin of optocoupler is connected with the 8th pin of DC power supplier, 6th pin of optocoupler is met+5V and to be connected with its 5th pin by resistance R2 and is connected to the signal input part of the 2nd FPGA as signal output part, 4th pin ground connection of optocoupler and meet+5V by electric capacity C2, electrochemical capacitor C6 and electric capacity C3 is connected between the 8th pin of DC power supplier and the 6th pin, and the positive pole of electrochemical capacitor C6, negative pole is corresponding the 6th pin and the 8th pin connecing DC power supplier respectively, 1st pin and the 2nd pin of DC power supplier meet+24V, 6th pin of DC power supplier passes through resistance R1 as electrode input end, electrochemical capacitor C5 and electric capacity C4 is connected between the 1st pin of DC power supplier and the 2nd pin, and the positive pole of electrochemical capacitor C5, negative pole is corresponding the 2nd pin and the 1st pin connecing DC power supplier respectively.
Shown in composition graphs 4, every road pulse signal isolation modulate circuit is used for pulse signal being carried out isolation conditioning, and the pulse signal after isolation being left under order converts the same frequency count pulse of 5V to, every road pulse signal isolation modulate circuit comprises the optocoupler that model is TLP114A, electric capacity C1, diode D1, resistance R1, resistance R2 and phase inverter, 1st pin of optocoupler passes through resistance R1 as electrode input end, 3rd pin of optocoupler is as negative input, electric capacity C1 and diode D1 is connected between the 1st pin of optocoupler and the 3rd pin, and the input end of diode D1 and output terminal difference correspondence are connected with the 1st pin with the 3rd pin of optocoupler, 6th pin of optocoupler is met+5V and is linked together by resistance R2 and its 5th pin and to be connected with the input end of phase inverter, the output terminal of phase inverter is connected to the signal input part of the 2nd FPGA as signal output part, 4th pin ground connection of optocoupler.
Shown in composition graphs 5, during every road, string signal isolation modulate circuit is used for being that the time string signal of 20V ~ 40V carries out isolation and nurses one's health by input voltage range, and the narrow pulse signal being less than lms lower than 14V and pulse width when incoming signal level will not receive, and the rising edge of input signal and negative edge are all responded and timing, arrive when difference input is less than can be considered of lms along change interval, the resolution of timing is not more than 0.2ms simultaneously.During every road, string signal isolation modulate circuit comprises the optocoupler that model is TLP114A, voltage stabilizing diode D1, decoupling capacitor C1, diode D2, current-limiting resistance R1, pull-up resistor R2 and electric capacity C2, the input end of voltage stabilizing diode D1 and one end of current-limiting resistance R1 are corresponding to be respectively connected with the 3rd pin with the 1st of optocoupler, decoupling capacitor C1 and diode D2 is connected between voltage stabilizing diode D1 and pull-up resistor R2 respectively, the other end of the output terminal of voltage stabilizing diode D1 and current-limiting resistance R1 respectively corresponding as electrode input end and negative input, 6th pin of optocoupler is met+5V and to be connected with the 5th pin of optocoupler by pull-up resistor R2 and is connected to the signal input bus of a FPGA as signal output part, one termination+the 5V of electric capacity C2, its other end is ground connection together with the 4th pin of optocoupler.
Above embodiment is only be described the preferred embodiment of the present invention; not scope of the present invention is limited; under not departing from the present invention and designing the prerequisite of spirit; the various distortion that the common engineering technical personnel in this area make technical scheme of the present invention and improvement, all should fall in protection domain that claims of the present invention determine.
Claims (7)
1. based on a polymorphic type data collecting and processing system for cPCI bus, it is characterized in that, comprise front-end equipment and coupled rear end equipment, wherein,
Described front-end equipment, comprising:
When multiple signals isolation modulate circuit comprises 512 tunnel, string signal isolates modulate circuit, 128 road analog signal isolating modulate circuits, 16 road contact signals isolate modulate circuits and 32 road pulse signals isolate modulate circuits; Wherein, during 512 tunnel, string signal isolates modulate circuit for carrying out anti-interference isolation and voltage conditioning to string signal during the multichannel inputted; 128 road analog signal isolating modulate circuits are used for carrying out anti-interference isolation and voltage conditioning to the multichannel analog signals of input; 16 road contact signal isolation modulate circuits are used for carrying out anti-interference isolation and voltage conditioning to the multichannel contact signal of input; 32 road pulse signal isolation modulate circuits are used for carrying out anti-interference isolation and voltage conditioning to the multiplex pulse signal of input;
One FPGA, the output gating of string signal isolation modulate circuit and data acquisition during for controlling described multichannel, the string signal during multichannel that multiple signals isolation modulate circuit described in buffer memory exports, and filtering, edge judgement and framing pre-service are carried out to gathered signal, write in the FIFO of digital I/O card after this has been sampled;
Numeral I/O card, when string signal reaches setting storage or setting-up time when the multichannel stored in its FIFO, is sent to single-borad computer by it by cPCI bus and stores;
A/D capture card, multichannel analog signals for being exported by described multiple signals isolation modulate circuit is transformed into corresponding multiply digital signals and stores, when the multiply digital signals stored in its FIFO reaches setting value, it is sent to described single-borad computer by described cPCI bus and stores;
2nd FPGA, the multichannel contact signal that multiple signals isolation modulate circuit exports for gathering, described in buffer memory and pre-service and multiplex pulse signal, and it is sent to described single-borad computer by cPCI bus controller and described cPCI bus stores;
Described rear end equipment comprises main control system, for carrying out Long-distance Control by universal network switching equipment to this acquisition processing system, during the multichannel simultaneously described single-borad computer collection stored string signal, multiply digital signals, multichannel contact signal and multiplex pulse signal show in real time respectively, store, discriminatory analysis and playback afterwards, when there being the signal exceeding corresponding preset range, then highlighting this signal and report to the police.
2. the polymorphic type data collecting and processing system based on cPCI bus according to claim 1, it is characterized in that, string signal isolation modulate circuit when described multiple signals isolation modulate circuit comprises some roads, during every road, string signal isolation modulate circuit is used for being that the time string signal of 20V ~ 40V carries out isolation and nurses one's health by input voltage range, it comprises the optocoupler that model is TLP114A, voltage stabilizing diode D1, decoupling capacitor C1, diode D2, current-limiting resistance R1, pull-up resistor R2 and electric capacity C2, the input end of voltage stabilizing diode D1 and one end of current-limiting resistance R1 are corresponding to be respectively connected with the 3rd pin with the 1st of described optocoupler, decoupling capacitor C1 and diode D2 is connected between voltage stabilizing diode D1 and pull-up resistor R2 respectively, the other end of the output terminal of voltage stabilizing diode D1 and current-limiting resistance R1 respectively corresponding as electrode input end and negative input, 6th pin of described optocoupler meets+5V and is connected as signal output part by pull-up resistor R2 with the 5th pin of optocoupler, one termination+the 5V of electric capacity C2, its other end is ground connection together with the 4th pin of described optocoupler.
3. the polymorphic type data collecting and processing system based on cPCI bus according to claim 1, it is characterized in that, described multiple signals isolation modulate circuit comprises some roads analog signal isolating modulate circuit, every road analog signal isolating modulate circuit is used for being that the simulating signal of-40V ~ 40V is carried out isolation and nursed one's health by input reference signal, and the analog signal conditioner after isolation being left under order decays in the scope of described A/D capture card Suo Xu – 5V ~+5V, it comprises the operational amplifier that model is OP07, model is the isolated amplifier of ISO124, resistance AR1, resistance AR2, resistance AR3, resistance AR4, resistance AR5, resistance AR6, resistance AR7, electric capacity AC1, electric capacity AC2, stabilivolt AD1, stabilivolt AD2, range switch AS1, AS2 and AS3, one end of resistance AR1 is as electrode input end, its other end is connected with one end of resistance AR2 and one end of range switch AS1 respectively, the resistance AR2 other end is connected with one end of resistance AR3 and one end of range switch AS2 respectively, the resistance AR3 other end is connected with one end of resistance AR4 and one end of range switch AS3 respectively, range switch AS1, the other end of AS2 with AS3 connecing is connected with the input end of stabilivolt AD1 and one end of resistance AR5 respectively afterwards, the other end of resistance AR5 is connected with the input end in the same way of operational amplifier, the output terminal of stabilivolt AD1 is connected with the output terminal of stabilivolt AD2, the input end of stabilivolt AD2 and the other end of resistance AR4 connect together as negative input, the output terminal of operational amplifier is connected with the 15th pin of its reverse input end and isolated amplifier respectively, 7th pin of isolated amplifier is connected with one end of resistance AR6, the other end of resistance AR6 is connected with one end of resistance AR7 and one end of electric capacity AC1 respectively, the other end of resistance AR7 and one end of electric capacity AC2 connect together as signal output part, the other end of electric capacity AC1 and the other end ground connection of electric capacity AC2.
4. the polymorphic type data collecting and processing system based on cPCI bus according to claim 1, it is characterized in that, described multiple signals isolation modulate circuit comprises some roads contact signal isolation modulate circuit, described in every road, contact signal isolation modulate circuit is used for contact signal being carried out isolation conditioning, and the contact signal after isolation being left under order converts 0 ~+5V voltage signal to, it comprises the DC power supplier that model is WRA0512, model is the optocoupler of TLP114A, resistance R1, resistance R2, electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4, electrochemical capacitor C5, electrochemical capacitor C6, stabilivolt D1 and diode D2, the input end of stabilivolt D1 is connected with the 1st pin of optocoupler, the output terminal of stabilivolt D1 is as negative input, electric capacity C1 and diode D2 is connected between the 1st pin of optocoupler and the 3rd pin, and the input end of diode D2, output terminal is corresponding the 3rd pin and the 1st pin connecing optocoupler respectively, 3rd pin of optocoupler is connected with the 8th pin of DC power supplier, 6th pin of optocoupler meets+5V and is connected as signal output part by resistance R2 with its 5th pin, 4th pin ground connection of optocoupler and meet+5V by electric capacity C2, electrochemical capacitor C6 and electric capacity C3 is connected between the 8th pin of DC power supplier and the 6th pin, and the positive pole of electrochemical capacitor C6, negative pole is corresponding the 6th pin and the 8th pin connecing DC power supplier respectively, 1st pin and the 2nd pin of DC power supplier meet+24V, 6th pin of DC power supplier passes through resistance R1 as electrode input end, electrochemical capacitor C5 and electric capacity C4 is connected between the 1st pin of DC power supplier and the 2nd pin, and the positive pole of electrochemical capacitor C5, negative pole is corresponding the 2nd pin and the 1st pin connecing DC power supplier respectively.
5. the polymorphic type data collecting and processing system based on cPCI bus according to claim 1, it is characterized in that, described multiple signals isolation modulate circuit comprises some roads pulse signal isolation modulate circuit, every road pulse signal isolation modulate circuit is used for pulse signal being carried out isolation conditioning, and the pulse signal after isolation being left under order converts the same frequency count pulse of 5V to, it comprises the optocoupler that model is TLP114A, electric capacity C1, diode D1, resistance R1, resistance R2 and phase inverter, 1st pin of optocoupler passes through resistance R1 as electrode input end, 3rd pin of optocoupler is as negative input, electric capacity C1 and diode D1 is connected between the 1st pin of optocoupler and the 3rd pin, and the input end of diode D1 and output terminal difference correspondence are connected with the 1st pin with the 3rd pin of optocoupler, 6th pin of optocoupler is met+5V and is linked together by resistance R2 and its 5th pin and to be connected with the input end of phase inverter, the output terminal of phase inverter is as signal output part, 4th pin ground connection of optocoupler.
6. the polymorphic type data collecting and processing system based on cPCI bus according to claim 1, it is characterized in that, the every 0.2ms of a described FPGA sampling should be carried out data, and by present sample to data and the data that sample of front 0.2ms compare, if there occurs change, producing a latch/output identification signal, new data to be latched into again corresponding FIFO medium to be output simultaneously, if all data all do not change in one second, then FPGA exports current test data values, confirms self duty to test macro.
7. the polymorphic type data collecting and processing system based on cPCI bus according to claim 1, it is characterized in that, described 2nd FPGA latches once the every 40ms of multiplex pulse signal accumulated counts result according to the order of system software, sampling should be carried out to the every 1ms of multichannel contact signal for described 2nd FPGA, latches data after sampling is in the FIFO of FPGA, the every 1ms of contact signal uploads once, the every 40ms of pulse signal uploads once, all the time is comprised in each Frame, address, data message, for ensureing the reliability in data upload process, data upload adopts " shaking hands " pattern to carry out.
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| CN103412833A (en) * | 2013-08-30 | 2013-11-27 | 哈尔滨工业大学 | CPCI (Compact Peripheral Component Interconnect) bus scanning ADC (Analog-to-Digital Converter) function module driver under VxWorks operating system and control method thereof |
| CN104142651B (en) * | 2014-07-21 | 2017-06-27 | 北京宇航系统工程研究所 | A kind of switch gate signal measuring circuit |
| CN104809075B (en) * | 2015-04-20 | 2017-09-12 | 电子科技大学 | A kind of solid state record device and method for accessing real-time parallel processing |
| CN104965468B (en) * | 2015-07-06 | 2017-10-31 | 浙江大学 | A kind of common interface module suitable for the multi-functional acquisition control devices of CPCI |
| CN106844118B (en) * | 2016-12-30 | 2019-11-22 | 成都傅立叶电子科技有限公司 | A kind of on-chip bus test macro based on Tbus bus standard |
| CN108181497A (en) * | 2017-12-04 | 2018-06-19 | 北京控制与电子技术研究所 | A kind of measuring method of the multichannel AC voltage effective value based on cpci bus |
| CN108170563A (en) * | 2017-12-06 | 2018-06-15 | 中国航空工业集团公司西安航空计算技术研究所 | A kind of ARINC659 bus testing systems based on FPGA |
| CN109347954B (en) * | 2018-10-18 | 2021-08-06 | 中国人民解放军战略支援部队航天工程大学 | Rocket multi-type signal acquisition and processing device based on multiple buses |
| CN109445368A (en) * | 2018-12-30 | 2019-03-08 | 中电智能科技有限公司 | Data collecting card |
| CN110011878B (en) * | 2019-04-28 | 2020-10-16 | 西安微电子技术研究所 | four-CAN bus simulation time sequence communication test board card and test method thereof |
| CN110597050B (en) * | 2019-10-21 | 2023-08-22 | 河南思维轨道交通技术研究院有限公司 | Intelligent safety input module |
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