CN104345284A - Radiation effect measurement and control system of DC-DC (Direct Current-Direct Current) power module - Google Patents
Radiation effect measurement and control system of DC-DC (Direct Current-Direct Current) power module Download PDFInfo
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- CN104345284A CN104345284A CN201310344956.9A CN201310344956A CN104345284A CN 104345284 A CN104345284 A CN 104345284A CN 201310344956 A CN201310344956 A CN 201310344956A CN 104345284 A CN104345284 A CN 104345284A
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Abstract
The invention discloses a radiation effect measurement and control system of a DC-DC (Direct Current-Direct Current) power module. In the system, a synchronizing signal receiving and transmitting unit is connected between a radiation unit and a multi-channel acquisition and storage control unit; a working state simulation unit comprises a programmable power module and a programmable load module; the multi-channel acquisition and storage control unit is connected with a control port of the programmable power module and a control port of the programmable load module; the DC-DC power module is placed in a test region of the radiation unit; an input end of the DC-DC power module is connected with the programmable power module, and an output end of the DC-DC power module is connected with the programmable load module; each data acquisition port of the multi-channel acquisition and storage control unit is connected with input and output ports needing to be monitored of the DC-DC power module. According to the system, high-speed parallel acquisition and storage of a plurality of parameters can be realized, transient pulse can also be completely captured, and switch access testing of a plurality of DC-DC power modules is realized.
Description
Technical field
The present invention relates to space environment radioresistance experimental technique field, particularly relate to a kind of DC-DC(Direct Current-Direct Current, DC-DC) the radiation effect TT&C system of power module.
Background technology
Multiple high-energy ray particle is there is in space radiation environment, they can threaten to various spacecrafts such as the satellites of Space-Work, wherein high energy proton and heavy ion to the radiation damage of the microelectronic component applied in space environment very greatly, easily cause single particle effect, thus cause component failure.DC-DC power module is widely used in various spacecraft, due to the single particle effect that DC-DC power module raying damage causes, spacecraft internal components characteristic can be caused to produce fluctuation and even burn, the life and reliability in-orbit of serious threat spacecraft.
The single particle effect of DC-DC power module mainly comprises single event burnout, locking single particle, single event function interrupt and single-ion transient state.When electric current exceedes predetermined threshold value, judge DC-DC power module generation locking single particle effect.Occur abnormal when device exports, and device is not restarted and cannot be recovered normal, decision device generation single event function interrupt effect.When DC-DC power module output voltage values falls near zero, and tested device is restarted and still cannot be recovered normal, judges DC-DC power module generation single event burnout effect.
Single-ion transient state effect, shows as and produce transient pulse on circuit output end.Early-stage Study shows, the pulsewidth of transient pulse can reach 1us magnitude.Current DC-DC power module radiation effect test macro, can only carry out real-time testing, and sampling rate is lower, intactly cannot capture transient pulse, also cannot realizes the high-speed parallel real-time testing of multiple parameter for single parameter and single channel.
Current DC-DC power module radiation effect test macro, cannot realize carrying out synchronously with radiation source.Common practices is first energized by data collector, then bombarding particle by manually opening radiation source, and the radiation effect that record occurs.This method accurately cannot record the moment that radiation effect occurs, and before particle starts to bombard, the image data that is recorded to is invalid and waste valuable storage resources.
Current DC-DC power module radiation effect test macro, when carrying out the test of multiple DC/DC power module, needs to close radiation source and manually enter pilot region to switch.
Summary of the invention
In view of the above problems, the present invention is proposed to provide a kind of radiation effect TT&C system of DC-DC power module overcoming the problems referred to above or solve the problem at least in part.
The invention provides a kind of radiation effect TT&C system of DC-DC power module, comprising: radiating element, synchronizing signal Transmit-Receive Unit, multichannel collecting storage control unit and duty analogue unit, wherein,
Synchronizing signal Transmit-Receive Unit is connected between radiating element and multichannel collecting storage control unit, duty analogue unit comprises programmable power supply module and program control load blocks, and multichannel collecting storage control unit is connected with the control port of programmable power supply module and the control port of program control load blocks;
DC-DC power module is placed in the pilot region of radiating element, the input end of DC-DC power module connects programmable power supply module, the output terminal of DC-DC power module connects program control load blocks, and the input/output port that each data acquisition port and the needs of DC-DC power module of multichannel collecting storage control unit are monitored is connected.
Further, when the quantity of DC-DC power module is two or more, described duty analogue unit also comprises the first programmed switch module and the second programmed switch that switch access test for controlling DC-DC power module, the input end of described DC-DC power module is by the first programmed switch model calling programmable power supply module, the output terminal of described DC-DC power module is by the program control load blocks of the second programmed switch model calling, and the first programmed switch module and the second programmed switch module are controlled by multichannel collecting storage control unit.
Further, described multichannel collecting storage control unit comprises controller, storer and multiple data collecting card, the corresponding data collection terminal mouth of each data collecting card, controller controls each data collecting card and collects the signal of the input/output port of DC-DC power module and be stored in storer.
Further, described controller adopts PXIe-8133 controller, described storer adopts PXIe disk array, and described data collecting card adopts the data collecting card of the PXIe-5122 model of American National instrument (National Instruments is called for short NI) company.
Further, the GPIB(General-Purpose Interface Bus that described multichannel collecting storage control unit is provided by controller, general purpose interface bus) interface, USB(Universal Serial Bus, USB (universal serial bus)) interface or LAN(Local Area Network, LAN (Local Area Network)) interface is connected with the control port of programmable power supply module and the control port of program control load blocks.
Further, under active synchronization pattern, multichannel collecting storage control unit sends enabling signal by synchronizing signal Transmit-Receive Unit to radiating element, radiating element starts the DC-DC power module bombarding particle in pilot region, and simultaneously multichannel collecting storage control unit is stored in storer to the signal of the input/output port of DC-DC power module by its data acquisition port processing.
Further, under passive and synchronous pattern, radiating element is to the DC-DC power module bombarding particle in pilot region, when detecting that DC-DC power module is arrived in particle bombardment, radiating element sends enabling signal by synchronizing signal Transmit-Receive Unit to multichannel collecting storage control unit, and multichannel collecting storage control unit is stored in storer to the signal of the input/output port of DC-DC power module by its data acquisition port processing.
Further, described system also comprises: remote computer, router and oscillograph, described oscillograph connects the output terminal of DC-DC power module, remote computer is transmitted control signal to multichannel collecting storage control unit and oscillograph by router, test according to test request to control multichannel collecting storage control unit, and control oscillograph is started working.
Further, described system also comprises temperature measuring unit, described temperature measuring unit comprises: multi-channel data acquisition device and heat sensitive sensor, heat sensitive sensor is arranged on the focus of DC-DC power module encapsulation base plate, multichannel collecting storage control unit is connected with the control port of multi-channel data acquisition device, the data acquisition port of multi-channel data acquisition device connects heat sensitive sensor, is collected the temperature of DC-DC power module by heat sensitive sensor.
Further, described multi-channel data acquisition device adopts the 34972A of Agilent company.
Adopt technique scheme, the radiation effect TT&C system of DC-DC power module of the present invention compared with prior art, at least has following advantages:
1) utilize the present invention can realize synchronously carrying out parameter acquisition with the radiation effect of radiating element, overcome prior art and accurately cannot record the shortcoming that the moment occurs radiation effect, avoid the waste of storage resources simultaneously.
2) the present invention can realize the collection of multiple parameter high-speed parallel and store, and solves the problem in the past can only carrying out on-line testing to single parameter.
3) present invention achieves the dynamic function tests such as program-controlled voltage transition and program control step load change.
4) present invention achieves the program control switching access test of multiple DC/DC power module, overcome and need to close radiation source in the past and manually enter the shortcoming that pilot region carries out switching.
5) present invention achieves the on-line testing of DC-DC converter major parameter in process of the test.
Accompanying drawing explanation
Fig. 1 is the radiation effect TT&C system structural representation of the DC-DC power module of first embodiment of the invention;
Fig. 2 is the radiation effect TT&C system detailed construction schematic diagram of the DC-DC power module of first embodiment of the invention;
Fig. 3 is the radiation effect TT&C system structural representation of the DC-DC power module of second embodiment of the invention;
Fig. 4 is the radiation effect TT&C system structural representation of the DC-DC power module of third embodiment of the invention;
Fig. 5 is the radiation effect TT&C system testing process schematic diagram of the DC-DC power module of third embodiment of the invention.
Embodiment
For further setting forth the present invention for the technological means reaching predetermined object and take and effect, below in conjunction with accompanying drawing and preferred embodiment, the present invention is described in detail as after.
First embodiment of the invention, a radiation effect TT&C system for DC-DC power module, as shown in Figure 1, comprises following ingredient: radiating element 100, synchronizing signal Transmit-Receive Unit 200, multichannel collecting storage control unit 300 and duty analogue unit 400, wherein
Synchronizing signal Transmit-Receive Unit 200 is connected between radiating element 100 and multichannel collecting storage control unit 300, duty analogue unit 400 comprises programmable power supply module and program control load blocks, and multichannel collecting storage control unit 300 is connected with the control port of programmable power supply module and the control port of program control load blocks;
DC-DC power module is placed, the radiation source equipment that the radiation source for irradiating DC-DC power module in radiating element 100 can adopt Chinese atomic energy institute to develop in the pilot region of radiating element 100.The input end of DC-DC power module connects programmable power supply module, the output terminal of DC-DC power module connects program control load blocks, and the input/output port that each data acquisition port and the needs of DC-DC power module of multichannel collecting storage control unit 300 are monitored is connected.
Fig. 2 is the detailed construction schematic diagram of the radiation effect TT&C system of the DC-DC power module of the present embodiment,
As shown in Figure 2, programmable power supply module comprises programmable power supply 1 ~ M, and the quantity that program control load blocks comprises program control load 1 ~ N, M and N can need to arrange flexibly according to test.
Multichannel collecting storage control unit 300 comprises controller, storer and data collecting card 1 ~ N, the data acquisition port of the corresponding passage of each data collecting card, controller controls each data collecting card and collects the signal of the input/output port of DC-DC power module and be stored in storer.The control unit interface that controller provides is gpib interface, USB interface or LAN interface.The control port of programmable power supply 1 ~ M and program control load 1 ~ N is connected with multichannel collecting storage control unit 300 by gpib interface, USB interface or LAN interface respectively.The change of programmable power supply and program control load is controlled, such as: voltage jump or voltage linear regulate and step load change or load linearity regulate, to realize testing dynamically DC-DC power module by multichannel collecting storage control unit 300.Such as, multichannel collecting storage control unit 300 controls programmable power supply module by gpib interface and realizes the transition of DC-DC input voltage, voltage jumps to+140V from+80V, and rising time controls in 10us, exports the impact produced under observing dynamic test condition on DC-DC power source.
For single passage, in the unit interval, data traffic can reach 100MB/s.Preferably, if need realize the high-speed parallel collection of multiple parameter, what can satisfy the demands only has PXIe bus.The four core processor i7-820QM of the 1.73GHz that controller adopts PXIe-8133, its CPU to adopt Intel up-to-date, the maximum 3.06GHz of monokaryon.The DDR3 internal memory of the maximum 8GB1333MHz of easily extensible.Integrated four hi-speed USB interfaces, integrated IEEE488GPIB controller and RS232 serial ports.Data collecting card is the core function unit realizing systematic sampling rate and resolution, adopt the high-speed data acquisition card of the PXIe-5122 model of NI company, can provide 2 passage 14bit resolution ability in samplings, the highest real-time sampling rate can reach 100MS/s, bandwidth 100MHz.In addition, PXIe-5122 also provides the plate of 256MB to carry internal memory.For realizing sampled data high speed flow table, system adopts PXIe disk array HD-8265 as storage medium, can provide the writing speed of RAID0750MB/s, the maximum data space providing 12TB.
It is synchronous that the radiation effect TT&C system of the DC-DC power module of the present embodiment can realize between multichannel collecting storage control unit 300 and radiating element 100, is divided into the following two kinds method of synchronization:
Under active synchronization mode, multichannel collecting storage control unit 300 sends enabling signal by synchronizing signal Transmit-Receive Unit 200 to radiating element 100, this enabling signal can be+5V pulse, radiating element 100 starts the DC-DC power module bombarding particle in pilot region, simultaneously the multichannel collecting storage control unit signal of input/output port of being monitored to the needs of DC-DC power module by its data acquisition port processing being stored in storer.
Under passive and synchronous mode, radiating element 100 starts the DC-DC power module bombarding particle in pilot region, when detecting that DC-DC power module is arrived in particle bombardment, radiating element sends enabling signal to multichannel collecting storage control unit, this enabling signal can be+5V pulse, and the signal of the input/output port that multichannel collecting storage control unit is monitored to the needs of DC-DC power module by its data acquisition port processing is also stored in storer.
The radiation effect TT&C system of described DC-DC power module also comprises: remote computer, router and oscillograph, system needs to use remote computer to carry out Long-distance Control and operation to multichannel collecting storage control unit and oscillograph, consider and realize difficulty and operating distance, adopt LAN (Local Area Network) by these three equipment composition local communication networks of remote computer, router and oscillograph.This oscillograph connects the output terminal of DC-DC power module.Remote computer is transmitted control signal to multichannel collecting storage control unit and oscillograph by router, tests according to test request to control multichannel collecting storage control unit, and control oscillograph is started working.When oscillograph is started working, by image capture device such as camera, staff is passed in oscillographic display frame.
Application software on remote computer can practical function as follows: by software interface, can timing, switch programmable power supply and program control load simultaneously or sequentially; Can signalization threshold value/threshold value, carry out real-time counting to exceeding threshold value/threshold value pulse; Multichannel collecting storage control unit is local all can be shown storing service condition with remote computer interface, and can arrange lower bound warning; Sampling rate regulates by software; Can digital filtering be carried out, comprise mean filter, smothing filtering, low pass, high pass and bandpass filtering etc.; Can digital signal processing be carried out, comprise quick FFT calculating, spectra calculation etc.; Sampled data can copy or export to other storage mediums; After sampling terminates, playback can be carried out to sampled result, positive and negative pulse is counted; After sampling terminates, automatically can generate the data report of threshold value/threshold value; Amplification display can be carried out to local data; By remote computer, supervisory and control is carried out to on-site computer.
Second embodiment of the invention, a kind of radiation effect TT&C system of DC-DC power module, as shown in Figure 3, the described system of the present embodiment is roughly the same with the first embodiment, difference is, when the quantity of DC-DC power module is two or more, such as: be L DC-DC power module in Fig. 3, described duty analogue unit also comprises the first programmed switch module and the second programmed switch that switch access test for controlling DC-DC power module, the input end of described DC-DC power module is by the first programmed switch model calling programmable power supply module, the output terminal of described DC-DC power module is by the program control load blocks of the second programmed switch model calling, first programmed switch module and the second programmed switch module are controlled by multichannel collecting storage control unit, the switching access test of multiple DC/DC power module can be realized.
Third embodiment of the invention, a kind of radiation effect TT&C system of DC-DC power module, as shown in Figure 4, the described system of the present embodiment is roughly the same with the second embodiment, difference is also to comprise temperature measuring unit, this temperature measuring unit comprises: multi-channel data acquisition device and heat sensitive sensor, each heat sensitive sensor is all arranged on the focus of the encapsulation base plate of DC-DC power module, the control unit interface that multichannel collecting storage control unit is provided by controller is connected with the control port of multi-channel data acquisition device, the data acquisition port of multi-channel data acquisition device connects heat sensitive sensor, the temperature of DC-DC power module is collected by heat sensitive sensor.Multi-channel data acquisition device can adopt the 34972A of Agilent company.
As shown in Figure 5, the concrete testing procedure of the radiation effect TT&C system (being called for short: test macro) of this DC-DC power module is as follows:
S1: TT&C system resets, and arranges sampling rate and the parameter such as signal threshold value or threshold value.In order to intactly capture transient pulse, require that test macro at least adopts 10 times of over-sampling speed, i.e. 10MS/s sampling rate.As expansion in future, require that test macro should have 50MS/s sampling rate.
S2: TT&C system and radiating element carry out synchronously.Synchronously be divided into active and passive type two kinds.Active refer to when test macro prepare start data acquisition time, send enabling signal (+5V pulse) by synchronizing signal transmitting element to radiating element, radiating element starts bombarding particle after receiving enabling signal.Passive type refers to when radiating element detects that device surface is arrived in particle bombardment, sends and gathers enabling signal (+5V pulse), control the collection of test macro commencing signal to multichannel collecting storage control unit.
S3: high-speed parallel collection and storage are carried out to multiple parameters of DC-DC power module.Such as: under 50MS/s sampling rate and 14bit sampling precision condition, for single passage, in the unit interval, data traffic is 100MB/s.
S4: the temperature of DC-DC power module is gathered and stored.
S5: as carried out dynamic test, configures programmable power supply by GPIB, USB or LAN interface or voltage jump or step load change process are carried out in program control load.
S6: to this DC-DC power module single irradiation off-test.
S7: carry out Remote configuration to programmed switch, repeats above-mentioned testing procedure, to complete the radiation test of remaining DC/DC power module.
S8: the data copy stored by storer, to remote computer, carries out Digital Signal Analysis process to test figure.Can digital filtering be carried out, comprise mean filter, smothing filtering, low pass, high pass and bandpass filtering etc.; Can digital signal processing be carried out, comprise quick FFT calculating, spectra calculation etc.
S9: to the data analysis after process, the radiation effect that record occurs.
The radiation effect TT&C system of the DC-DC power module described in the embodiment of the present invention compared with prior art, at least has following advantages:
1) utilize the present invention can realize synchronous with the radiation effect of radiating element carrying out parameter acquisition, overcome prior art and accurately cannot record the shortcoming that the moment occurs radiation effect, avoid the waste of storage resources simultaneously.
2) the present invention can realize the collection of multiple parameter high-speed parallel and store, and solves the problem in the past can only carrying out on-line testing to single parameter.
3) present invention achieves the dynamic function tests such as program-controlled voltage transition and program control step load change.
4) present invention achieves the program control switching access test of multiple DC/DC power module, overcome and need to close radiation source in the past and manually enter the shortcoming that pilot region carries out switching.
By the explanation of embodiment, should to the present invention for the technological means reaching predetermined object and take and effect be able to more deeply and concrete understanding, but appended diagram be only to provide with reference to and the use of explanation, be not used for being limited the present invention.
Claims (10)
1. a radiation effect TT&C system for DC-DC power module, is characterized in that, radiating element, synchronizing signal Transmit-Receive Unit, multichannel collecting storage control unit and duty analogue unit, wherein,
Synchronizing signal Transmit-Receive Unit is connected between radiating element and multichannel collecting storage control unit, duty analogue unit comprises programmable power supply module and program control load blocks, and multichannel collecting storage control unit is connected with the control port of programmable power supply module and the control port of program control load blocks;
DC-DC power module is placed in the pilot region of radiating element, the input end of DC-DC power module connects programmable power supply module, the output terminal of DC-DC power module connects program control load blocks, and the input/output port that each data acquisition port and the needs of DC-DC power module of multichannel collecting storage control unit are monitored is connected.
2. the radiation effect TT&C system of DC-DC power module according to claim 1, it is characterized in that, when the quantity of DC-DC power module is two or more, described duty analogue unit also comprises the first programmed switch module and the second programmed switch that switch access test for controlling DC-DC power module, the input end of described DC-DC power module is by the first programmed switch model calling programmable power supply module, the output terminal of described DC-DC power module is by the program control load blocks of the second programmed switch model calling, first programmed switch module and the second programmed switch module are controlled by multichannel collecting storage control unit.
3. the radiation effect TT&C system of DC-DC power module according to claim 1, it is characterized in that, described multichannel collecting storage control unit comprises controller, storer and multiple data collecting card, the corresponding data collection terminal mouth of each data collecting card, controller controls each data collecting card and collects the signal of the input/output port of DC-DC power module and be stored in storer.
4. the radiation effect TT&C system of DC-DC power module according to claim 3, it is characterized in that, described controller adopts PXIe-8133 controller, described storer adopts PXIe disk array, and described data collecting card adopts the data collecting card of the PXIe-5122 model of National Instruments.
5. the radiation effect TT&C system of DC-DC power module according to claim 4, it is characterized in that, the general purpose interface bus gpib interface that described multichannel collecting storage control unit is provided by controller, general-purpose serial bus USB interface or local network LAN interface are connected with the control port of programmable power supply module and the control port of program control load blocks.
6. the radiation effect TT&C system of DC-DC power module according to claim 1, it is characterized in that, under active synchronization pattern, multichannel collecting storage control unit sends enabling signal by synchronizing signal Transmit-Receive Unit to radiating element, radiating element starts the DC-DC power module bombarding particle in pilot region, and simultaneously multichannel collecting storage control unit is stored in storer to the signal of the input/output port of DC-DC power module by its data acquisition port processing.
7. the radiation effect TT&C system of DC-DC power module according to claim 1, it is characterized in that, under passive and synchronous pattern, radiating element is to the DC-DC power module bombarding particle in pilot region, when detecting that DC-DC power module is arrived in particle bombardment, radiating element sends enabling signal by synchronizing signal Transmit-Receive Unit to multichannel collecting storage control unit, and multichannel collecting storage control unit is stored in storer to the signal of the input/output port of DC-DC power module by its data acquisition port processing.
8. the radiation effect TT&C system of DC-DC power module according to claim 1, it is characterized in that, described system also comprises: remote computer, router and oscillograph, described oscillograph connects the output terminal of DC-DC power module, remote computer is transmitted control signal to multichannel collecting storage control unit and oscillograph by router, test according to test request to control multichannel collecting storage control unit, and control oscillograph is started working.
9. the radiation effect TT&C system of DC-DC power module according to claim 1, it is characterized in that, described system also comprises temperature measuring unit, described temperature measuring unit comprises: multi-channel data acquisition device and heat sensitive sensor, heat sensitive sensor is arranged on the focus of DC-DC power module encapsulation base plate, multichannel collecting storage control unit is connected with the control port of multi-channel data acquisition device, the data acquisition port of multi-channel data acquisition device connects heat sensitive sensor, is collected the temperature of DC-DC power module by heat sensitive sensor.
10. the radiation effect TT&C system of DC-DC power module according to claim 9, is characterized in that, multi-channel data acquisition device adopts the 34972A of Agilent company.
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| CN112130056A (en) * | 2020-09-10 | 2020-12-25 | 中国兵器工业计算机应用技术研究所 | Power panel detection device and method |
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