CN201527306U - Dynamically detecting system for infrared focal plane detector component - Google Patents
Dynamically detecting system for infrared focal plane detector component Download PDFInfo
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- CN201527306U CN201527306U CN2009202225790U CN200920222579U CN201527306U CN 201527306 U CN201527306 U CN 201527306U CN 2009202225790 U CN2009202225790 U CN 2009202225790U CN 200920222579 U CN200920222579 U CN 200920222579U CN 201527306 U CN201527306 U CN 201527306U
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Abstract
The utility model discloses a dynamically detecting system for an infrared focal plane detector component, which specifically comprises a testing main system, a testing slave system and an environmental testing box, wherein the environmental testing box is internally provided with at least one group of infrared focal plane detector components consisting of an infrared focal plane detector, a refrigerating machine and a dewar; the testing main system, the testing slave system and the environmental testing box are connected with one another; the testing main system is responsible for giving out power control parameters to the testing slave system, monitoring working state parameters of the environmental testing box, sending a driving pulse signal to the infrared detector in the environmental testing box and receiving a measuring signal back feed by the infrared detector; and the testing slave system is responsible for providing a working power supply for the infrared detector in the environmental testing box and monitoring the working parameters of the refrigerating machine and the dewar. The system better realizes the dynamic detection on the infrared focal plane detector component.
Description
Technical field
The utility model relates to infrared focus plane experimental test field, relates in particular to a kind of detector module on focal plane of infrared ray dynamic detection system.
Background technology
Detector module on focal plane of infrared ray relates to a plurality of technical fields, as microelectronics, precision optical machinery, optics, refrigeration etc., because complex structure, parts are many, accuracy requirement is high, make that the also more traditional electronic devices and components difficulty of fail-test technology is big.American-European countries all drops into a large amount of technical forces on the reliability of military use product, the research method for evaluating reliability is strengthened reliability design and checking work and effectively improved product quality.At present the part domestic detector on performance index near in addition be better than external like product, but on reliability, also have certain gap, restricted the assembly practical application.Reason mainly contains 2: the one, and existing technological level restriction, the 2nd, fail-test work is not in place.Homemade infrared focal plane detector fail-test is continued to use beforehand research or the type spectrum project validation phase way about inspecton of quality conformity substantially, its emphasis is environmental suitability examination (high temperature storage, low temperature storage, temperature shock, vibration and impact etc.), belongs to envelope test (no power work) for detector assembly.Therefore be badly in need of carrying out the fail-test under can the simulated assembly actual working state, i.e. dynamic test.Because detector module on focal plane of infrared ray structure relative complex, technology are wide, the quantity that costs an arm and a leg again simultaneously is few, its dynamic test and test evaluation exist higher technical difficulty.Dynamic test has very big difference with envelope test on test condition and method of testing, because assembly is in running order, and test and test relative complex, common traditional experiment equipment can't be finished, and need carry out the research work of dynamic test and measuring technology.
For better verifying reliability design and promoting product reliability, need carry out the dynamic reliability test of detector module on focal plane of infrared ray to be applied as guiding, set up corresponding dynamic test and test platform, expose and the integrity problem of analytic unit in application by careful deep fail-test, with this reliability design and technology controlling and process that instructs the infrared focus plane assembly, make the quality of production of military hardware core component reach realistic scale.
The utility model content
The utility model provides a kind of detector module on focal plane of infrared ray dynamic detection system, in order to solve the problem of the dynamic reliability test that can not well realize detector module on focal plane of infrared ray that exists in the prior art.
Concrete, a kind of detector module on focal plane of infrared ray dynamic detection system that the utility model provides comprises: test main system, test from system and environmental test chamber,
Be provided with at least one group of detector module on focal plane of infrared ray of forming by infrared focal plane detector, refrigeration machine and Dewar in the described environmental test chamber;
Described test main system comprises: system monitoring unit, infrared focal plane detector testing apparatus, capture card interconnecting device, pulse interconnecting device and with described detector module on focal plane of infrared ray infrared focal plane detector driving circuit one to one;
Described test comprises from system: detector module on focal plane of infrared ray power-supply controller of electric, detector module on focal plane of infrared ray driving power and refrigeration machine power supply;
Described test main system links to each other with environmental test chamber from system with described test respectively by described system monitoring unit, be used for to described test energy source controlled variable under the system, monitor the working status parameter of described environmental test chamber, and when detection system detection preliminary work is finished, successively by described infrared focal plane detector testing apparatus, pulse interconnecting device and the infrared focal plane detector driving circuit infrared focal plane detector in described environmental test chamber sends drive pulse signal, and successively by described infrared focal plane detector driving circuit, capture card interconnecting device and infrared focal plane detector testing apparatus receive the measuring-signal of described infrared focal plane detector feedback;
Described test links to each other with the system monitoring unit of described test main system by described detector module on focal plane of infrared ray power-supply controller of electric from system, link to each other with Dewar, refrigeration machine in the environmental test chamber with the detector driving circuit of test in the main system respectively by described detector module on focal plane of infrared ray driving power, be used for when receiving the power supply controlled variable that described test main system issues, for described detector module on focal plane of infrared ray provides working power.
Wherein, described infrared focal plane detector testing apparatus comprises: host computer interface, pulse output card, data collecting card and switch card,
Described infrared focal plane detector testing apparatus links to each other with described system monitoring unit by described host computer interface, is used to receive the steering order that described system monitoring unit issues;
Described infrared focal plane detector testing apparatus links to each other with described pulse interconnecting device by the pulse output card, is used for sending drive pulse signal to described pulse interconnecting device;
Data collecting card in the described infrared focal plane detector testing apparatus links to each other with described capture card interconnecting device respectively with the switch card, and receive the multi pass acquisition measuring-signal that described capture card interconnecting device sends by described switch clamping, and timesharing selects one the tunnel to gather measuring-signal and send to fast data collecting card by described capture card interconnecting device.
Further, described infrared focal plane detector testing apparatus also comprises the preformed groove position, and described preformed groove position is used for the function expansion of detection system.
Further, described infrared focal plane detector driving circuit comprises: the IO interface of driving circuit output interface, infrared focal plane detector driving pulse interface, infrared focal plane detector driving power interface and infrared focal plane detector;
Described infrared focal plane detector driving pulse interface links to each other with described pulse interconnecting device, is used to receive the drive pulse signal that described pulse interconnecting device sends;
Described infrared focal plane detector driving power interface links to each other with the detector module on focal plane of infrared ray driving power of described test from system, is used to receive the driving voltage that described detector module on focal plane of infrared ray driving power sends;
The IO interface of described infrared focal plane detector links to each other with infrared focal plane detector in the described environmental test chamber, be used for described pulse signal and driving voltage are sent to described infrared focal plane detector, and receive the measuring-signal of described infrared focal plane detector feedback;
Described driving circuit output interface links to each other with described capture card interconnecting device, is used for the measuring-signal of described infrared focal plane detector feedback is sent to described capture card interconnecting device.
Further, described detector module on focal plane of infrared ray power-supply controller of electric comprises: host computer interface, refrigeration machine Power Supply Monitoring interface and detector module on focal plane of infrared ray driving power Remote Control Interface;
Described detector module on focal plane of infrared ray power-supply controller of electric links to each other with system monitoring unit in the described test main system by the host computer interface, link to each other with described refrigeration machine power supply by refrigeration machine Power Supply Monitoring interface, link to each other with described detector module on focal plane of infrared ray driving power by detector module on focal plane of infrared ray driving power Remote Control Interface, be used to receive described test main system by the power supply controlled variable that system monitoring unit sends, control described detector module on focal plane of infrared ray driving power and refrigeration machine power supply and provide working power for described detector module on focal plane of infrared ray.
Further, described detector module on focal plane of infrared ray driving power comprises: refrigeration machine power interface, programmable interface, detector module on focal plane of infrared ray power output interface;
Described detector module on focal plane of infrared ray driving power links to each other with described refrigeration machine power supply by the refrigeration machine power interface, link to each other with described detector module on focal plane of infrared ray power-supply controller of electric by programmable interface, link to each other with Dewar, refrigeration machine in the described environmental test chamber with described infrared focal plane detector driving circuit respectively by the detector module on focal plane of infrared ray power output interface, be used for providing working power to described detector module on focal plane of infrared ray.
Compared with prior art, the utlity model has following advantage:
(1) the test main system is by computer control, PXI (PCI eXtensions for Instrumentation, PCI expansion towards instrument system) the reliable and stable and special-purpose independent operating of monitoring of refrigeration machine of acquisition subsystem, entire equipment hardware protection system has effectively been avoided the loss that unexpected situation is brought in the control procedure, realized the robotization of equipment set operation, it is on duty to need not personnel;
(2) parameters of the system that provides of the utility model under can monitor component duty reliably steady in a long-term, have parameter setting, condition monitoring, index test and abnormal alarm function, this system can finish the refrigeration cycle test and the long-term work examination of detector separately in addition;
(3) system that provides of the utility model can test a plurality of assemblies simultaneously, and can realize any test assembly is controlled separately and operated in process of the test, has dirigibility and adaptability greatly;
(4) system that provides of the utility model has reserved enough interfaces, and extendible ability is strong.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to introduce simply the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
A kind of detector module on focal plane of infrared ray dynamic detection system structural drawing that Fig. 1 provides for the utility model;
The detector module on focal plane of infrared ray dynamic detection system structural drawing that Fig. 2 provides for the utility model embodiment;
Fig. 3 is detector module on focal plane of infrared ray deployment architecture figure among the utility model embodiment;
Fig. 4 is from the structure principle chart of system among the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
The utility model provides a kind of detector module on focal plane of infrared ray dynamic detection system, in order to solve the problem of the dynamic reliability test that can not well realize detector module on focal plane of infrared ray that exists in the prior art.
Concrete, a kind of detector module on focal plane of infrared ray dynamic detection system that the utility model provides as shown in Figure 1, comprising: test main system 110, test from system 120 and environmental test chamber 130,
Be provided with at least one group of detector module on focal plane of infrared ray of forming by infrared focal plane detector 131, refrigeration machine 132 and Dewar 133 in the environmental test chamber 130;
Test main system 110 comprises: system monitoring unit 111, infrared focal plane detector testing apparatus 112, capture card interconnecting device 113, pulse interconnecting device 114 and with detector module on focal plane of infrared ray infrared focal plane detector driving circuit 115 one to one;
Test comprises from system 120: detector module on focal plane of infrared ray power-supply controller of electric 121, detector module on focal plane of infrared ray driving power 122 and refrigeration machine power supply 123;
Concrete, test main system 110 links to each other with environmental test chamber 130 from system 120 with test respectively by system monitoring unit 111, be used for to test from 120 times energy source controlled variable of system, the working status parameter of monitoring environment chamber 130, and when detection system detection preliminary work is finished, successively by infrared focal plane detector testing apparatus 112, pulse interconnecting device 114 and infrared focal plane detector driving circuit 115 infrared focal plane detector 131 in environmental test chamber 130 sends drive pulse signal, and successively by infrared focal plane detector driving circuit 115, capture card interconnecting device 113 and infrared focal plane detector testing apparatus 112 receive the measuring-signal of infrared focal plane detector 131 feedbacks;
Test links to each other by the system monitoring unit 111 of detector module on focal plane of infrared ray power-supply controller of electric 121 with test main system 110 from system 120, link to each other with Dewar 133, refrigeration machine 132 in the environmental test chamber 130 with the infrared focal plane detector driving circuit 115 of test in the main system 110 respectively by detector module on focal plane of infrared ray driving power 122, be used for receive the test main system 110 issue the power supply controlled variable time, for detector module on focal plane of infrared ray provides working power.
Wherein, infrared focal plane detector testing apparatus 112 comprises: host computer interface, pulse output card, data collecting card and switch card;
Concrete, infrared focal plane detector testing apparatus 112 links to each other with system monitoring unit 111 by the host computer interface, is used for the steering order that receiving system watch-dog 111 issues;
Infrared focal plane detector testing apparatus 112 links to each other with pulse interconnecting device 114 by the pulse output card, is used for sending drive pulse signal to pulse interconnecting device 114;
Data collecting card in the infrared focal plane detector testing apparatus 112 links to each other with capture card interconnecting device 113 respectively with the switch card, and pass through the switch clamping and receive the multi pass acquisition measuring-signal that capture card interconnecting device 113 sends, and timesharing selects one tunnel collection measuring-signal to send to data collecting card by capture card interconnecting device 113.
Further, infrared focal plane detector testing apparatus 112 also comprises the preformed groove position, and this preformed groove position is used for the function expansion of detection system.
Further, in the system that the utility model provides, infrared focal plane detector driving circuit 115 comprises: the IO interface of driving circuit output interface, infrared focal plane detector driving pulse interface, infrared focal plane detector driving power interface and infrared focal plane detector;
Wherein, infrared focal plane detector driving pulse interface links to each other with pulse interconnecting device 114, is used for the drive pulse signal that received pulse interconnecting device 114 sends;
Infrared focal plane detector driving power interface links to each other with the detector module on focal plane of infrared ray driving power 122 of test from system 120, is used to receive the driving voltage that detector module on focal plane of infrared ray driving power 122 sends;
Infrared focal plane detector 131 in the IO interface of infrared focal plane detector and the environmental test chamber 130 links to each other, be used for pulse signal and driving voltage are sent to infrared focal plane detector 131, and receive the measuring-signal of infrared focal plane detector 131 feedbacks;
The driving circuit output interface links to each other with capture card interconnecting device 113, is used for the measuring-signal of infrared focal plane detector 131 feedbacks is sent to capture card interconnecting device 113.
Further, in the system that the utility model provides, detector module on focal plane of infrared ray power-supply controller of electric 121 comprises: host computer interface, refrigeration machine Power Supply Monitoring interface and detector module on focal plane of infrared ray driving power Remote Control Interface;
Further, in the system that the utility model provides, detector module on focal plane of infrared ray driving power 122 comprises: refrigeration machine power interface, programmable interface, detector module on focal plane of infrared ray power output interface;
Detector module on focal plane of infrared ray driving power 122 links to each other with refrigeration machine power supply 123 by the refrigeration machine power interface, link to each other with detector module on focal plane of infrared ray power-supply controller of electric 121 by programmable interface, link to each other with Dewar 133, refrigeration machine 132 in infrared focal plane detector driving circuit 115 and the environmental test chamber 130 respectively by the detector module on focal plane of infrared ray power output interface, be used for providing working power to detector module on focal plane of infrared ray.
Provide one of the utility model embodiment preferably according to Fig. 2～Fig. 4 below, and, further provide ins and outs of the present utility model, make it that architectural feature of the present utility model and functional characteristics can be described better in conjunction with description to embodiment.
As shown in Figure 2, the structure principle chart of the detector module on focal plane of infrared ray dynamic detection system that provides for the utility model embodiment specifically comprises: main system, from system and environmental test chamber, wherein,
Be provided with at least one group of detector module on focal plane of infrared ray in the environmental test chamber, this detector module on focal plane of infrared ray mainly is made up of three parts: infrared focal plane detector, refrigeration machine and Dewar.Concrete, the deployment diagram of three parts as shown in Figure 3, wherein, infrared focal plane detector is a core component, refrigeration machine and Dewar provide a profound hypothermia environment for infrared focal plane detector jointly, about absolute temperature 77k; Dewar inside also is provided with Dewar thermometric diode.Present embodiment is the concrete structure that example illustrates the system that the utility model provides with four groups of detector module on focal plane of infrared ray.
Main system comprises: upper monitoring computing machine 100, infrared focal plane detector test macro 200, capture card interconnecting device 300, pulse interconnecting device 400 and with detector module on focal plane of infrared ray infrared focal plane detector driving circuit 500 one to one; Need to prove, the total infrared focal plane detector driving circuit that only draws among Fig. 2, but what should understand is that this infrared focal plane detector driving circuit inside comprises a plurality of infrared focal plane detector driving circuits that link to each other one by one with detector module on focal plane of infrared ray.
Wherein, upper monitoring computing machine 100 has highest authority, finishes the control to the total system various piece, and whole signals of monitoring detector module on focal plane of infrared ray are finished predetermined experiment flow and recording process data automatically.
From system, comprising: detector module on focal plane of infrared ray power-supply controller of electric 600, detector module on focal plane of infrared ray driving power 700 and refrigeration machine power supply 800.
The performance parameter of detector module on focal plane of infrared ray power-supply controller of electric 600 monitoring refrigeration machines and the temperature in the Dewar can judge independently whether the duty of refrigeration machine is normal, and the working environment of protection infrared focal plane detector is in normal range.
Elaborate main system below, from composition and the annexation between building block and the concrete function of system.
(1) main system
(1) the upper monitoring computing machine 100, comprise RS232 serial line interface 101, infrared focal plane detector test macro address card 102 and detector module on focal plane of infrared ray power-supply controller of electric communication interface 103, wherein,
RS232 serial line interface 101 links to each other with environmental test chamber, and as the communication interface between upper monitoring computing machine 100 and environmental test chamber, upper monitoring computing machine 100 can be by the running parameter in this interface monitoring of environmental chamber;
Infrared focal plane detector test macro address card 102 links to each other with infrared focal plane detector test macro 200, as the communication interface of 300 of upper monitoring computing machine 100 and infrared focal plane detector test macros, upper monitoring computing machine 100 by this interface to infrared focal plane detector test macro 300 sending controling instructions;
Detector module on focal plane of infrared ray power-supply controller of electric communication interface 103 links to each other with detector module on focal plane of infrared ray power-supply controller of electric 600 from system, as upper monitoring computing machine 100 and from the communication interface between system, upper monitoring computing machine 100 passes through this interface to energy source controlled variable under system, and monitoring in real time is from the running parameter of system.
(2) the infrared focal plane detector test macro 200, comprising: host computer interface 210, and pulse output card 220, data collecting card 230, switch card 240, preformed groove position 250, wherein,
(3) the capture card interconnecting device 300, comprising: input port 301, input/output port 302 and output port 303, wherein,
Input/output port 302 connects the switch card 240 of infrared focal plane detector test macro 200;
(4) the pulse interconnecting device 400, comprising: input port 401 and output port 402, and wherein, input port 401 connects the pulse output card 220 of infrared focal plane detector test macro 200, and output port 402 connects infrared focal plane detector driving circuit 500;
(5) the infrared focal plane detector driving circuit 500, comprise four interfaces, be respectively: driving circuit output interface 501, infrared focal plane detector driving pulse interface 502, infrared focal plane detector driving power interface 503, infrared focal plane detector IO interface 504; Wherein,
Driving circuit output interface 501 links to each other with the input port 301 of capture card interconnecting device 300, is responsible for the multi pass acquisition measuring-signal that infrared focal plane detector sends is sent to capture card interconnecting device 300;
Infrared focal plane detector driving pulse interface 502 links to each other with the output port 402 of pulse interconnecting device 400, is responsible for the drive pulse signal that received pulse interconnecting device 400 sends;
Infrared focal plane detector driving power interface 503 links to each other with the corresponding output interface of detector module on focal plane of infrared ray driving power 700, is responsible for receiving the infrared focal plane detector driving voltage that detector module on focal plane of infrared ray driving power 700 sends;
Infrared focal plane detector IO interface 504 links to each other with infrared focal plane detector in the environmental test chamber, be responsible for drive pulse signal and driving voltage are sent to infrared focal plane detector, and receive the multi pass acquisition measuring-signal that infrared focal plane detector sends;
In the utility model, need a plurality of direct supplys and different signals such as a plurality of high speeds or low speed pulse during infrared focal plane detector work, so the utility model specialized designs infrared focal plane detector driving circuit 500, this circuit not only provides low noise pulse and direct supply for infrared focal plane detector, simultaneously, to the output signal shaping of infrared focal plane detector and increase driving force, so that back acquisition system collection is measured.
Further, the system that the utility model provides can test many cover detector module on focal plane of infrared ray simultaneously, it is that example illustrates that present embodiment adopts 4 cover detector module on focal plane of infrared ray, the infrared focal plane detector of every grip assembly has multiple signals output again, need nearly tens tunnel even tens road AD collection so altogether, so native system is designed to shared one road AD of multiple signals timesharing.The driving circuit output interface 501 of infrared focal plane detector driving circuit 500 is connected to capture card interconnecting device 300 through shielded cable, and the unified again switch card 240 by infrared focal plane detector test macro 200 switches gating, becomes one tunnel output.
Further, different infrared focal plane detectors needs different drive pulse signals, even the different demand of identical infrared focal plane detector foundation, pulse also is not quite similar.So the system design that the utility model provides is programmable pulse output, can send different drive pulse signals respectively according to different infrared focal plane detectors, promptly pulse output card 220 passages through which vital energy circulates of infrared focal plane detector test macro 200 transfer the BNC connection to behind interconnecting device 400.
(2) from system
(1) the detector module on focal plane of infrared ray power-supply controller of electric 600, comprising: manual operation interface 601, and host computer interface 602, refrigeration machine Power Supply Monitoring interface 603-606, detector module on focal plane of infrared ray driving power Remote Control Interface 607, wherein,
Refrigeration machine Power Supply Monitoring interface 603-606 links to each other with refrigeration machine power supply 800 respectively;
Detector module on focal plane of infrared ray driving power Remote Control Interface 607 links to each other with the programmable interface 725 of detector module on focal plane of infrared ray driving power 700.
This detector module on focal plane of infrared ray power-supply controller of electric 600 control refrigeration machine power supplys 800 and detector module on focal plane of infrared ray driving power 700 provide operating voltage to detector module on focal plane of infrared ray;
(2) the refrigeration machine power supply 800, comprising: programmable interface 811-814, power output interface 821-824; Wherein,
Programmable interface 811-814 links to each other with refrigeration machine Power Supply Monitoring interface 603-606 in the detector module on focal plane of infrared ray power-supply controller of electric 600; Power output interface 821-824 links to each other with detector module on focal plane of infrared ray driving power 700;
(3) the detector module on focal plane of infrared ray driving power 700, comprising: manual operation interface 710, assembly power output interface 711-714, refrigeration machine power interface 721-724, programmable interface 725.Wherein,
Refrigeration machine power interface 721-724 links to each other with power output interface 824-821 in the refrigeration machine power supply 800;
Assembly power output interface 711-714 links to each other with refrigeration machine, Dewar in the environmental test chamber with the infrared focal plane detector driving power interface 503 of infrared focal plane detector driving circuit 500 respectively;
Programmable interface 725 links to each other with detector module on focal plane of infrared ray driving power Remote Control Interface 607 in the detector module on focal plane of infrared ray power-supply controller of electric 600.
Above-mentioned is structured flowchart from system, further specifies principle of work from system below by the structure principle chart from system: as shown in Figure 4,
Detector module on focal plane of infrared ray power-supply controller of electric 600 specifically comprises: Programmable Logic Controller PLC 610, and analog-to-digital conversion module AD 620, D/A converter module DA 630, switching value input and output DO 640, manual operation interface 601 and four interface circuits 650, wherein
Programmable Logic Controller PLC 610 is the core of detector module on focal plane of infrared ray power-supply controller of electric 600;
Enter after all analogue quantity switch amounts of system are all passed through the switching adjustment of interface circuit 650 and deliver to refrigeration machine power supply 800 and drive plate power supply respectively, the switch of each power supply of Monitoring and Controlling and duty.
The system that provides with regard to the utility model is described in detail in the detailed process when carrying out the detector module on focal plane of infrared ray detection of dynamic below.
Install tested detector module on focal plane of infrared ray in environmental test chamber after, three groups of lines of coupling assembling connect infrared focal plane detector, connect Dewar, refrigeration machine.After MUT module under test installs, start the Control Software in the main control computer 100, enter the testing preparatory stage, concrete step is as follows:
Whether the first step, carry out the startup self-detection of system, check the communication of each module instrument and main control computer 100 normal, whether the state of instrument is correct, has only all by just carrying out next step program.
The parameter of second step, the chamber of wait operating personnel set environment, default parameter compares in environmental test chamber parameter that operating personnel are set and the system then, confirm to force set environment chamber mode of operation again after errorless, set correctly by after enter next step.
The running parameter of the 3rd step, setting refrigeration machine, and be downloaded to from system.
The type and the operational factor of the 4th step, setting infrared focal plane detector, whether the output that drives infrared focal plane detector operate as normal and check infrared focal plane detector is normal.
The 5th goes on foot, sets the procedure parameter of experiment and when open or close detector module on focal plane of infrared ray according to environmental test chamber duty and operational factor.
The first five step has been set a plurality of parameters for the experiment operation, just can begin experiment after correctly finishing.
After beginning test, at first, main system can automatically start the running environment chamber, read the state parameter of environmental test chamber then and from the state parameter (being refrigeration machine parameter and Dewar temperature) of system.According to read the parameter and the experiment parameter of setting judge and carry out different subroutines, as start assembly, closing assembly.The state parameter of a total system of about 1 minute record in experimentation, comprise: the running status of environmental test chamber, the humiture value, warning message, the refrigeration machine state parameter of the assembly of each station (supply voltage, electric current etc.), temperature value in the Dewar, the fundamental performance parameter of infrared focal plane detector etc.Main control computer 100 has been monitored all parameters of whole experimental system, the state of assembly has been carried out strict monitoring, so need not staff's guard in the experimentation substantially.
Finished independently monitoring from system to temperature in refrigeration machine and the Dewar.At first, introduce purpose of design and meaning from system.From above seeing, whole experimental system is very huge, need the parameter of monitoring numerous, if finish and to bring heavy burden to it by the main control computer in the main system 100 fully, simultaneously because the interior temperature of refrigeration machine state and Dewar is again the necessary condition of infrared focal plane detector operate as normal, whether the operate as normal of its refrigeration machine is directly connected to infrared focal plane detector and can be damaged, and therefore as seen it is very important, and its real-time requires also very high simultaneously.In sum, we propose this part work separately to have formed one independently from system, it is independent of main system and works voluntarily, can be by oneself when running into the refrigeration machine abnormal state, and main system can change the parameters such as setting value from system, and read state parameter from system, make it meet the flow process of whole experiment.After setting the refrigeration machine parameter; can open refrigeration machine and make its running; system can monitor constantly that each parameter of refrigeration machine and Dewar temperature are to determine whether can to open or close the infrared focal plane detector power supply (under manual mode; be the artificial detector power supply of opening, under the remote control mode, can open the infrared focal plane detector power supply automatically behind the refrigeration machine temperature control); as long as but whenever have any warning unusual; the infrared focal plane detector power supply is closed in the capital, with the protection assembly, reduces the loss.
Owing to can be independent of main system from system and work independently, thus manual function kept during design, can manual operation before the experiment beginning whether normal, even finish some simple little experiments with the connection of checking each several part, as normal temperature assembly switch experiment etc.
In the system that the utility model provides, main system is by computer control, reliable and stable and the special-purpose independent operating of monitoring of refrigeration machine of PXI acquisition subsystem, entire equipment hardware protection system has effectively been avoided the loss that unexpected situation is brought in the control procedure, realized the robotization of equipment set operation, it is on duty to need not personnel; Be suitable for the kind wide ranges of assembly; Can test a plurality of assemblies; Reserved enough interfaces, extendible ability is strong.
Obviously, those skilled in the art can carry out various changes and modification to the utility model and not break away from spirit and scope of the present utility model.Like this, if of the present utility model these are revised and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these changes and modification interior.
Claims (6)
1. a detector module on focal plane of infrared ray dynamic detection system is characterized in that, comprising: test main system, test from system and environmental test chamber,
Be provided with at least one group of detector module on focal plane of infrared ray of forming by infrared focal plane detector, refrigeration machine and Dewar in the described environmental test chamber;
Described test main system comprises: system monitoring unit, infrared focal plane detector testing apparatus, capture card interconnecting device, pulse interconnecting device and with described detector module on focal plane of infrared ray infrared focal plane detector driving circuit one to one;
Described test comprises from system: detector module on focal plane of infrared ray power-supply controller of electric, detector module on focal plane of infrared ray driving power and refrigeration machine power supply;
Described test main system links to each other with environmental test chamber from system with described test respectively by described system monitoring unit, be used for to described test energy source controlled variable under the system, monitor the working status parameter of described environmental test chamber, and when detection system detection preliminary work is finished, successively by described infrared focal plane detector testing apparatus, pulse interconnecting device and the infrared focal plane detector driving circuit infrared focal plane detector in described environmental test chamber sends drive pulse signal, and successively by described infrared focal plane detector driving circuit, capture card interconnecting device and infrared focal plane detector testing apparatus receive the measuring-signal of described infrared focal plane detector feedback;
Described test links to each other with the system monitoring unit of described test main system by described detector module on focal plane of infrared ray power-supply controller of electric from system, link to each other with Dewar, refrigeration machine in the environmental test chamber with the detector driving circuit of test in the main system respectively by described detector module on focal plane of infrared ray driving power, be used for when receiving the power supply controlled variable that described test main system issues, for described detector module on focal plane of infrared ray provides working power.
2. detector module on focal plane of infrared ray dynamic detection system as claimed in claim 1 is characterized in that, described infrared focal plane detector testing apparatus comprises: host computer interface, pulse output card, data collecting card and switch card,
Described infrared focal plane detector testing apparatus links to each other with described system monitoring unit by described host computer interface, is used to receive the steering order that described system monitoring unit issues;
Described infrared focal plane detector testing apparatus links to each other with described pulse interconnecting device by the pulse output card, is used for sending drive pulse signal to described pulse interconnecting device;
Data collecting card in the described infrared focal plane detector testing apparatus links to each other with described capture card interconnecting device respectively with the switch card, and receive the multi pass acquisition measuring-signal that described capture card interconnecting device sends by described switch clamping, and timesharing selects one the tunnel to gather measuring-signal and send to fast data collecting card by described capture card interconnecting device.
3. detector module on focal plane of infrared ray dynamic detection system as claimed in claim 2 is characterized in that, described infrared focal plane detector testing apparatus also comprises the preformed groove position, and described preformed groove position is used for the function expansion of detection system.
4. detector module on focal plane of infrared ray dynamic detection system as claimed in claim 1 or 2, it is characterized in that described infrared focal plane detector driving circuit comprises: the IO interface of driving circuit output interface, infrared focal plane detector driving pulse interface, infrared focal plane detector driving power interface and infrared focal plane detector;
Described infrared focal plane detector driving pulse interface links to each other with described pulse interconnecting device, is used to receive the drive pulse signal that described pulse interconnecting device sends;
Described infrared focal plane detector driving power interface links to each other with the detector module on focal plane of infrared ray driving power of described test from system, is used to receive the driving voltage that described detector module on focal plane of infrared ray driving power sends;
The IO interface of described infrared focal plane detector links to each other with infrared focal plane detector in the described environmental test chamber, be used for described pulse signal and driving voltage are sent to described infrared focal plane detector, and receive the measuring-signal of described infrared focal plane detector feedback;
Described driving circuit output interface links to each other with described capture card interconnecting device, is used for the measuring-signal of described infrared focal plane detector feedback is sent to described capture card interconnecting device.
5. detector module on focal plane of infrared ray dynamic detection system as claimed in claim 1, it is characterized in that, described detector module on focal plane of infrared ray power-supply controller of electric comprises: host computer interface, refrigeration machine Power Supply Monitoring interface and detector module on focal plane of infrared ray driving power Remote Control Interface
Described detector module on focal plane of infrared ray power-supply controller of electric links to each other with system monitoring unit in the described test main system by the host computer interface, link to each other with described refrigeration machine power supply by refrigeration machine Power Supply Monitoring interface, link to each other with described detector module on focal plane of infrared ray driving power by detector module on focal plane of infrared ray driving power Remote Control Interface, be used to receive described test main system by the power supply controlled variable that system monitoring unit sends, control described detector module on focal plane of infrared ray driving power and refrigeration machine power supply and provide working power for described detector module on focal plane of infrared ray.
6. as claim 1 or 5 described detector module on focal plane of infrared ray dynamic detection systems, it is characterized in that, described detector module on focal plane of infrared ray driving power comprises: refrigeration machine power interface, programmable interface, detector module on focal plane of infrared ray power output interface
Described detector module on focal plane of infrared ray driving power links to each other with described refrigeration machine power supply by the refrigeration machine power interface, link to each other with described detector module on focal plane of infrared ray power-supply controller of electric by programmable interface, link to each other with Dewar, refrigeration machine in the described environmental test chamber with described infrared focal plane detector driving circuit respectively by the detector module on focal plane of infrared ray power output interface, be used for providing working power to described detector module on focal plane of infrared ray.
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| CN2009202225790U CN201527306U (en) | 2009-09-27 | 2009-09-27 | Dynamically detecting system for infrared focal plane detector component |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103245859A (en) * | 2013-04-26 | 2013-08-14 | 中国科学院上海技术物理研究所 | Improved testing system and method for focal plane detector chip |
| CN104833430A (en) * | 2015-04-17 | 2015-08-12 | 国家电网公司 | Infrared imaging monitoring system based on uncooled infrared detector |
| CN105092054A (en) * | 2015-07-28 | 2015-11-25 | 昆明物理研究所 | Testing evaluation device for pyroelectric non-refrigeration infrared focal plane detector |
| CN108896190A (en) * | 2018-08-16 | 2018-11-27 | 电子科技大学 | Infrared test system and its test method on piece correction |
| CN109029734A (en) * | 2018-06-28 | 2018-12-18 | 电子科技大学 | Infrared focal plane detector multicore test device and test method |
| CN109583018A (en) * | 2018-10-26 | 2019-04-05 | 中国电子产品可靠性与环境试验研究所（（工业和信息化部电子第五研究所）（中国赛宝实验室）） | The sensitive parameter monitoring method and device of infrared focus plane component |
| CN112630679A (en) * | 2020-11-03 | 2021-04-09 | 武汉高芯科技有限公司 | Device and method for testing refrigeration performance of refrigeration assembly of infrared focal plane detector |
| CN114244978A (en) * | 2021-11-25 | 2022-03-25 | 中国空间技术研究院 | Reliability management system and method for infrared camera with infrared refrigerator |
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| CN103245859A (en) * | 2013-04-26 | 2013-08-14 | 中国科学院上海技术物理研究所 | Improved testing system and method for focal plane detector chip |
| CN103245859B (en) * | 2013-04-26 | 2015-03-25 | 中国科学院上海技术物理研究所 | Improved testing system and method for focal plane detector chip |
| CN104833430A (en) * | 2015-04-17 | 2015-08-12 | 国家电网公司 | Infrared imaging monitoring system based on uncooled infrared detector |
| CN105092054A (en) * | 2015-07-28 | 2015-11-25 | 昆明物理研究所 | Testing evaluation device for pyroelectric non-refrigeration infrared focal plane detector |
| CN109029734A (en) * | 2018-06-28 | 2018-12-18 | 电子科技大学 | Infrared focal plane detector multicore test device and test method |
| CN108896190A (en) * | 2018-08-16 | 2018-11-27 | 电子科技大学 | Infrared test system and its test method on piece correction |
| CN109583018A (en) * | 2018-10-26 | 2019-04-05 | 中国电子产品可靠性与环境试验研究所（（工业和信息化部电子第五研究所）（中国赛宝实验室）） | The sensitive parameter monitoring method and device of infrared focus plane component |
| CN109583018B (en) * | 2018-10-26 | 2023-04-18 | 中国电子产品可靠性与环境试验研究所（（工业和信息化部电子第五研究所）（中国赛宝实验室）） | Method and device for monitoring sensitive parameters of infrared focal plane assembly |
| CN112630679A (en) * | 2020-11-03 | 2021-04-09 | 武汉高芯科技有限公司 | Device and method for testing refrigeration performance of refrigeration assembly of infrared focal plane detector |
| CN114244978A (en) * | 2021-11-25 | 2022-03-25 | 中国空间技术研究院 | Reliability management system and method for infrared camera with infrared refrigerator |
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