CN1260898C - Power source single-board universal tester - Google Patents
Power source single-board universal tester Download PDFInfo
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- CN1260898C CN1260898C CNB011128771A CN01112877A CN1260898C CN 1260898 C CN1260898 C CN 1260898C CN B011128771 A CNB011128771 A CN B011128771A CN 01112877 A CN01112877 A CN 01112877A CN 1260898 C CN1260898 C CN 1260898C
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- 230000009466 transformation Effects 0.000 claims description 8
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Abstract
The present invention relates to a universal tester of a power supply single board, which comprises a power supply unit, a load unit, a VXI system, a converting board and a connecting board, wherein the power supply unit supplies power to a power supply single board to be tested; the load unit provides load; the VXI system for achieving inner control and management uses a testing platform technology of a VXI bus line; the VXI system, the power supply unit, the load unit and the power supply single board to be tested are connected by the converting board; the connecting board which can be replaced according to different power supply single boards to be tested is arranged between the converting board and the power supply single board to be tested. The universal tester has high universality and a fast test speed, and can be suitable for a changed board or an upgrade board of an old board; a new power supply single board after the connecting board is replaced; the whole test system does not need changing.
Description
Technical field
The present invention relates to measuring technology, be specifically related to the vxi bus platform technology and move, the test of veneer in the communication fields such as exchange, access, transmission, more particularly, relate to a kind of power source single-board universal tester based on the VXI platform.
Background technology
Power source single-board be move, exchange, insert, the important component part of communication field such as transmission, also be the more and indispensable parts of consumption in the communication apparatus.They provide reliable and stable working power for miscellaneous equipment and veneer in communication field.Its function of different electrical power veneer is the same substantially, just adopt different structure size and different output ways as required, in the production and maintenance process of communication apparatus such as mobile, exchange, access, transmission, all need power source single-board is carried out function and index test, wish that simultaneously test is quick, simple and direct, accurately reach reliably.The power source single-board tester is to be made of hardware and software, method of testing is to provide operational environment to power source single-board, add input voltage at its input, survey its output response, whether judge the quality of tested power source single-board according to the response signal that is recorded within the limits prescribed.At present, the power source single-board tester of having produced only can be tested one or more veneers, after new power source single-board occurring, former tester is powerless, must develop new tester again, drop into the man power and material, and existing power supply single board test apparatus testing single-board required time is longer, the test performance instability.
Summary of the invention
The purpose of this invention is to provide a kind of power source single-board universal tester, can overcome the above-mentioned shortcoming of existing tester, only need 220VAC power supply, reliability height, highly versatile, test speed is fast, fault location good, use is simple and direct, easy to maintenance, and the power source single-board of development newly and old plate changed plate and upgrading, need not whole test system is changed, only need to change corresponding connecting plate, revise former test program and can finish test assignment.
The objective of the invention is to realize by following scheme, construct a kind of based on the VXI (abbreviation of VME busextension for Instrument, its implication is the VME bus expansion that is used for instrument) power source single-board universal tester of platform, be included as the power subsystem that tested power source single-board provides power supply; For described tested power source single-board provides the load unit of load, it is characterized in that, also comprise the VXI system of the employing vxi bus test platform technology that is used to realize described universal tester internal control and management; And connect described VXI system, power subsystem, load unit and described tested power source single-board and realize the distribution of power supply, load and the keyset that signal passes on; Between described keyset and described tested power source single-board, also be provided with the connecting plate that to change according to different tested power source single-boards.
In according to power source single-board universal tester provided by the invention, described VXI system comprises the PC of realizing internal control and management; And the VXI cabinet that connects each module in the described VXI system, the Zero greeve controller that is used to realize the communication between described PC and described VXI system is housed in the described VXI cabinet; Be used to test the multichannel output voltage of described tested power source single-board and the voltage ringing-current test module of ringing-current; Be used to produce analog output signal and control the isolation D/A module of described power subsystem and load unit; The digital I/O module that is used to the switching that the I/O passage is provided and realizes each control circuit and relay; Be used to test the communication interface test module of the serial line interface of described tested power source single-board.
In according to power source single-board universal tester provided by the invention, described power subsystem comprises the two-way output programmable power supply that the power supply excitation is provided to described tested power source single-board; Provide-the 60V output programmable power supply of 48V working power for described tested power source single-board; 5V output Switching Power Supply and the current rectifying and wave filtering circuit of working power being provided for described keyset; Described two-way output programmable power supply, 60V output programmable power supply and current rectifying and wave filtering circuit also are connected with described voltage ringing-current test module.
In according to power source single-board universal tester provided by the invention, described load unit comprise to described tested power source single-board provide variable load+load of 3.3V program-controlled electronic ,+load of 5V program-controlled electronic ,-load of 5V program-controlled electronic and-load of 48V program-controlled electronic; Described+load of 3.3V program-controlled electronic ,+load of 5V program-controlled electronic ,-load of 5V program-controlled electronic and-load of 48V program-controlled electronic is subjected to be connected with described isolation D/A module and controlled by it, also is connected with described voltage ringing-current test module.
In according to power source single-board universal tester provided by the invention, described keyset comprises the power subsystem interface, connects the power output of described tested power source single-board; The load delivery outlet of load unit interface, the described tested power source single-board of connection; Also comprise: drive circuit; Be connected communication test module interface 503 and digital I/O module interface 504 between described VXI system and the described drive circuit; Be connected communication interface circuit and digital signal interface circuit between described tested power source single-board and the described drive circuit.
Above-mentioned keyset also comprises the relay array that is connected and is subjected to its control with described drive circuit; The voltage ringing-current test module interface that is connected with described VXI system; The ringing-current input interface circuit and the voltage input interface circuit that are connected with described tested power source single-board; Be serially connected with ringing-current waveform transformation circuit and ringing-current reduction voltage circuit between described voltage ringing-current test module interface and the described ringing-current input interface circuit; Be connected in the voltage commutation circuit between described voltage ringing-current test module interface and the described voltage input interface circuit; Described ringing-current waveform transformation circuit, ringing-current reduction voltage circuit and voltage commutation circuit all are connected to described relay array and controlled by it.
Implement tester provided by the invention, compare with traditional power source single-board tester, one of its main difference is highly versatile, in the present invention, owing to adopt the segmentation of VXI test macro, keyset, connecting plate and tested power source single-board to be connected, only need to change corresponding connecting plate and anchor clamps, just can test communication fields such as mobile, exchange, access, transmission all power source single-boards and after the new power panel of exploitation.Two of main difference is that system resource is abundant, can realize the whole analog quantitys of tested power source single-board, digital quantity, interface signal and the isoparametric measurement of control signal.Among the present invention, can provide the measurement of 16 road analog input channels (to comprise :+5V simultaneously,-5V, + 3.3V,-48V, 75VDC, the measurement of voltages such as 75V ringing-current, its input range reaches ± 220V), 96 road Transistor-Transistor Logic level interfaces and control signal interface, 16 road serial communication interfaces, multichannel loading characteristic test passage.Three of main difference is that stability height, good reliability, test speed are fast.Adopted vxi bus test platform technology among the present invention, this test platform is the 21 century instrument bus system and the outstanding platform of Auto-Test System that generally acknowledges, has characteristics such as standardization level height, standardization is good, opening is high, modularization is excellent, message transmission rate is fast, antijamming capability is strong.Four of main difference is user interface close friend, simple operation.Adopt the modular software designing technique among the present invention, to measured parameter classify, optimum organization, the user only need click mouse or button several times several times, can finish the test of tested power source single-board, on user interface, can realize that the adjustment of overvoltage/undervoltage potentiometer, voltage output potential device and plate fault location show simultaneously.
Description of drawings
Below in conjunction with drawings and Examples, the invention will be further described, in the accompanying drawing:
Fig. 1 is total functional-block diagram of universal tester provided by the invention;
Fig. 2 is the detailed composition diagram of the VXI system among Fig. 1;
Fig. 3 is the detailed composition diagram of the power subsystem among Fig. 1;
Fig. 4 is the detailed composition diagram of the load unit among Fig. 1;
Fig. 5 is the detailed composition diagram of the keyset among Fig. 1;
Fig. 6 is voltage, voltage regulation, load regulation test philosophy figure;
Fig. 7 is ringing-current test philosophy figure;
Fig. 8 is communication interface and digital signal test philosophy figure.
Embodiment
As shown in Figure 1, universal tester provided by the invention comprises the VXI system 101 of signal controlling, data acquisition, result treatment and the demonstration of finishing tester; Provide the program-controlled load unit 106 that is used for the load regulation test to tested power source single-board 105; The power subsystem 102 of power supply is provided to tested power source single-board 105; The keyset 103 that tested power source single-board 105 and VXI system 101, load unit 106, power subsystem 102 are linked together.
As can be seen from Figure 2, described VXI system 101 is made up of PC main frame 203, display 202, mouse 201, keyboard 204 and VXI cabinet 205.The Zero greeve controller 210 of the communication that is used to realize 101 of described PC 203 and described VXI systems is housed in the described VXI cabinet 205; Be used to test the multichannel output voltage of described tested power source single-board 105 and the voltage ringing-current test module 209 of ringing-current; Be used to produce analog output signal and control the isolation D/A module 208 of described power subsystem 102 and load unit 106; The digital I/O module 207 that is used to the switching that the I/O passage is provided and realizes each control circuit and relay; Be used to test the communication interface test module 206 of the serial line interface of described tested power source single-board 105.In specific embodiment, adopt Pentium 166 main frames, wherein VXI cabinet, Zero greeve controller, voltage ringing-current test module, isolation D/A module, digital I/O module and communication interface test module all can be developed voluntarily according to prior art.
As can be seen from Figure 3, power subsystem 102 comprises the two-way output programmable power supply 301 of the power supply excitation being provided for tested power source single-board 105 by passage folding circuit 302; Provide-60V of 48V working power output programmable power supply 305; 5V output Switching Power Supply 304 and the current rectifying and wave filtering circuit 303 of working power being provided for keyset 103, wherein the voltage ringing-current test module 209 also sent in the VXI system 101 of two-way output programmable power supply 301,60V output programmable power supply 305 and current rectifying and wave filtering circuit 303 output voltages carries out the output voltage test.In specific embodiment, two-way output programmable power supply 301 adopts DH1715-5, and 60V output programmable power supply 305 adopts DH1716-5, and 5V output Switching Power Supply 304 adopts HF20W-5.
As can be seen from Figure 4, load unit 106 comprise to tested power source single-board 105 provide variable load+3.3V program-controlled electronic load 401 ,+5V program-controlled electronic load 402 ,-5V program-controlled electronic load 403 and-48V program-controlled electronic load 404, above-mentioned four electronic loads are subjected to described isolations D/A module 208 to control and be connected with described voltage ringing-current test module 209.In specific embodiment ,+3.3V program-controlled electronic load 401 ,+5V program-controlled electronic load 402 and-48V program-controlled electronic load 404 all can adopt DH2792;-5V program-controlled electronic load 403 can be adopted DH2790.
As can be seen from Figure 5, keyset 103 comprises power subsystem interface 509, passes through the power output 512 that connecting plate 104 connects tested power source single-board 105; Load unit interface 510, connect the load delivery outlet 511 of described tested power source single-board 105 by described connecting plate 104.
As can be seen from Figure 5, keyset 103 comprises drive circuit 502; Be connected communication test module interface 503 and digital I/O module interface 504 between VXI system 101 and the drive circuit 502; Be connected communication interface circuit 501 and digital signal interface circuit 516 between tested power source single-board 105 and the drive circuit 502 by connecting plate 104; The relay array 505 that is connected and is subjected to its control with drive circuit 502.
As can be seen from Figure 5, keyset 103 also comprises the voltage ringing-current test module interface 507 that is connected with VXI system 101; The ringing-current input interface circuit 515 and the voltage input interface circuit 513 that are connected with tested power source single-board 105 by connecting plate 104; Be serially connected with ringing-current waveform transformation circuit 506 and ringing-current reduction voltage circuit 514 between voltage ringing-current test module interface 507 and the ringing-current input interface circuit 515; Be connected in the voltage commutation circuit 508 between described voltage ringing-current test module interface 507 and the described voltage input interface circuit 513; Described ringing-current waveform transformation circuit 506, ringing-current reduction voltage circuit 514 and voltage commutation circuit 508 all are connected to described relay array 505 and controlled by it.
In specific embodiment, communication interface RS485 adopts SP485CS, RS232 to adopt ICL232CPE, waveform transformation to adopt LM339N, relay to adopt TQ2-5V, ST2-DC6V.
In conjunction with voltage, voltage regulation, load regulation test philosophy figure as shown in Figure 6, illustrate that its output voltage test process is as follows: isolate D/A module 208 by VXI system 101 by it and remove to control power subsystem 102, apply-the 48V operating voltage for tested power source single-board 105, voltage input interface circuit 513 in keyset 103, voltage commutation circuit 508, deliver to voltage ringing-current test module 209, after PC main frame 203 carries out data acquisition process, show test results.
The process of account for voltage regulation test is as follows: isolate D/A module 208 by VXI system 101 by it and go to control load unit 106 to apply corresponding load for each output voltage of tested power source single-board 105, control again power subsystem 102 give tested power source single-board 105 apply respectively the input voltage lower limit ,-48V, input voltage higher limit, voltage input interface circuit 513 in keyset 103, voltage commutation circuit 508, deliver to voltage ringing-current test module 209, after PC main frame 203 carries out data acquisition process, show test results.
The process that the load regulation test is described is as follows: remove to control power subsystem 102 by VXI system 101 by isolation D/A module 208 and apply-the 48V operating voltage for tested power source single-board 105, control load unit 106 applies zero load (promptly unloaded) respectively for tested power source single-board 105 each output voltage again, half load (half of full load), the load of full load, voltage input interface circuit 513 in keyset 103, voltage commutation circuit 508, deliver to voltage ringing-current test module 209, measuring each output voltage then respectively is zero load in load, half load, output valve during full load, after PC main frame 203 carries out data acquisition process, show test results.
In conjunction with ringing-current test philosophy figure shown in Figure 7, illustrate that its course of work is as follows: remove to control power subsystem 102 by VXI system 101 by isolation D/A module 208 and apply-the 48V operating voltage for tested power source single-board 105, the ringing-current input interface circuit 515 of ringing-current in keyset 103 of tested then power source single-board 105 outputs delivered to ringing-current reduction voltage circuit 514, ringing-current after the step-down is delivered to ringing-current waveform transformation circuit 506 again, sine wave is transformed into square wave, square wave after the conversion is delivered to voltage ringing-current test module 209 again, after PC main frame 203 carries out data acquisition process, show test results.
In conjunction with communication interface shown in Fig. 8 and digital signal test philosophy figure, illustrate that its communication interface test process is as follows: pass through to isolate D/A module 208 by VXI system 101, control power subsystem 102 applies-the 48V operating voltage for tested power source single-board 105, by communication interface test module 206, drive circuit 502, communication interface circuit 501 is sent to tested power source single-board 105 with host communication information, tested power source single-board 105 sends corresponding response message then according to the upstream message that receives, this response message reaches through VXI system 101 by communication interface test module 206, PC main frame 203 compares this information and predetermined value, thereby realizes the test of tested power source single-board 105 communication interfaces.
Illustrate that the digital signal test process is as follows: pass through to isolate D/A module 208 by VXI system 101, control power subsystem 102 applies-the 48V operating voltage for tested power source single-board 105, realize that by digital I/O module 207, drive circuit 502, digital signal interface circuit 516 PC main frame 203 sends the I/O pumping signal to tested power source single-board 105, finishes the test of tested power source single-board 105 digital signals response simultaneously by digital signal interface circuit 516, digital I/O module 207.
Universal tester among the present invention is not limited to the description of this specification, on the basis of tester in the present invention, also can increase self-checking circuit and increase other VXI module.
Claims (6)
1, a kind of power source single-board universal tester comprises power subsystem (102); For tested power source single-board (105) provides the load unit (106) of load, it is characterized in that, also comprise the VXI system (101) of the employing vxi bus test platform technology that is used to realize described universal tester internal control and management; And connect described VXI system (101), power subsystem (102), load unit (106) and described tested power source single-board (105) and realize the distribution of power supply, load and keyset (103) that signal passes on, between described keyset (103) and described tested power source single-board (105), also be provided with the connecting plate (104) that can change according to different tested power source single-boards (105).
According to the described power source single-board universal tester of claim 1, it is characterized in that 2, described VXI system (101) comprises the PC (203) of realizing internal control and management; And the VXI cabinet (205) that connects each module in the described VXI system (101), the Zero greeve controller (210) that is used to realize the communication between described PC (203) and described VXI system (101) is housed in the described VXI cabinet (205); Be used to test the multichannel output voltage of described tested power source single-board (105) and the voltage ringing-current test module (209) of ringing-current; Be used to produce analog output signal and control described power subsystem (102) and the isolation D/A module (208) of load unit (106); The digital I/O module (207) that is used to the switching that the I/O passage is provided and realizes each control circuit and relay; Be used to test the communication interface test module (206) of the serial line interface of described tested power source single-board (105).
According to the described power source single-board universal tester of claim 1, it is characterized in that 3, described power subsystem (102) comprises the two-way output programmable power supply (301) that the power supply excitation is provided to described tested power source single-board (105); Provide-the 60V output programmable power supply (305) of 48V working power for described tested power source single-board (105); 5V output Switching Power Supply (304) and the current rectifying and wave filtering circuit (303) of working power being provided for described keyset (103); Described two-way output programmable power supply (301), 60V output programmable power supply (305) and current rectifying and wave filtering circuit (303) also are connected with described voltage ringing-current test module (209).
4, according to the described power source single-board universal tester of claim 1, it is characterized in that, described load unit (106) comprise to described tested power source single-board (105) provide variable load+3.3V program-controlled electronic load (401) ,+5V program-controlled electronic load (402) ,-5V program-controlled electronic load (403) and-48V program-controlled electronic load (404); Described+3.3V program-controlled electronic load (401) ,+5V program-controlled electronic load (402) ,-5V program-controlled electronic load (403) and-48V program-controlled electronic load (404) is subjected to be connected with described isolation D/A module (208) and controlled by it, also is connected with described voltage ringing-current test module (209).
According to the described power source single-board universal tester of claim 1, it is characterized in that 5, described keyset (103) comprises power subsystem interface (509), connects the power output (512) of described tested power source single-board (105); The load delivery outlet (511) of load unit interface (510), the described tested power source single-board of connection (105); Also comprise:
Drive circuit (502), be connected on communication test module interface (503) and digital I/O module interface (504) between described VXI system (101) and the described drive circuit (502); Be connected communication interface circuit (501) and digital signal interface circuit (516) between described tested power source single-board (105) and the described drive circuit (502).
According to the described power source single-board universal tester of claim 5, it is characterized in that 6, described keyset (103) also comprises the relay array (505) that is connected and is subjected to its control with described drive circuit (502); The voltage ringing-current test module interface (507) that is connected with described VXI system (101); Ringing-current input interface circuit (515) that is connected with described tested power source single-board (105) and voltage input interface circuit (513); Be serially connected with described voltage ringing-current test module and connect ringing-current waveform transformation circuit (506) and ringing-current reduction voltage circuit (514) between (507) and the described ringing-current input interface circuit (515); Be connected in the voltage commutation circuit (508) between described voltage ringing-current test module interface (507) and the described voltage input interface circuit (513); Described ringing-current waveform transformation circuit (506), ringing-current reduction voltage circuit (514) and voltage commutation circuit (508) all are connected to described relay array (505) and controlled by it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011128771A CN1260898C (en) | 2001-05-10 | 2001-05-10 | Power source single-board universal tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011128771A CN1260898C (en) | 2001-05-10 | 2001-05-10 | Power source single-board universal tester |
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| Publication Number | Publication Date |
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| CN1385973A CN1385973A (en) | 2002-12-18 |
| CN1260898C true CN1260898C (en) | 2006-06-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB011128771A Expired - Lifetime CN1260898C (en) | 2001-05-10 | 2001-05-10 | Power source single-board universal tester |
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| CN (1) | CN1260898C (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100406899C (en) * | 2003-05-10 | 2008-07-30 | 华为技术有限公司 | Apparatus for testing electric power system |
| CN100426760C (en) * | 2005-03-24 | 2008-10-15 | 中兴通讯股份有限公司 | Method for realizing bare board test using false module and its device |
| CN1888922B (en) * | 2006-07-19 | 2010-05-12 | 无锡凯尔科技有限公司 | Mobile telephone photographic module universal testing method and tester thereof |
| CN101806869B (en) * | 2010-03-22 | 2013-08-28 | 株洲南车时代电气股份有限公司 | General-purpose automatic test system for locomotive switching power supply and method thereof |
| CN102230955B (en) * | 2011-06-24 | 2013-06-19 | 株洲南车时代电气股份有限公司 | Dynamic ageing monitoring system and method for switch mode power supply of locomotive |
| CN102692598B (en) * | 2012-06-28 | 2014-10-22 | 南京南车浦镇城轨车辆有限责任公司 | Electric cabinet logic tester device of railway vehicle |
| CN103217556B (en) * | 2013-04-22 | 2018-02-13 | 南京同尔电子科技有限公司 | A kind of electronic module function test system |
| CN103245906A (en) * | 2013-04-22 | 2013-08-14 | 南京同尔电子科技有限公司 | Circuit board function test system |
| CN103414529B (en) * | 2013-08-26 | 2015-05-20 | 华北计算技术研究所 | Universal automatic testing and fault diagnosis system |
| CN107064670A (en) * | 2017-02-22 | 2017-08-18 | 深圳市长龙铁路电子工程有限公司 | A kind of power transformer testboard |
| CN109765500A (en) * | 2017-11-08 | 2019-05-17 | 中兴通讯股份有限公司 | A kind of power supply analog machine and power supply analogy method |
| CN112445198A (en) * | 2019-09-05 | 2021-03-05 | 中车青岛四方机车车辆股份有限公司 | Vehicle-mounted controller testing method, device and system |
| CN111044825B (en) * | 2019-12-28 | 2022-05-17 | 广东盈科电子有限公司 | Tester for testing 220V load and direct-current voltage |
| CN112485701A (en) * | 2020-11-25 | 2021-03-12 | 国营芜湖机械厂 | Universal switching adapter plate for testing DC/DC power supply module and testing method thereof |
-
2001
- 2001-05-10 CN CNB011128771A patent/CN1260898C/en not_active Expired - Lifetime
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