CN103487765A - Testing device for maintaining optical transmission device power module - Google Patents
Testing device for maintaining optical transmission device power module Download PDFInfo
- Publication number
- CN103487765A CN103487765A CN201210195570.1A CN201210195570A CN103487765A CN 103487765 A CN103487765 A CN 103487765A CN 201210195570 A CN201210195570 A CN 201210195570A CN 103487765 A CN103487765 A CN 103487765A
- Authority
- CN
- China
- Prior art keywords
- circuit board
- module
- testing circuit
- power module
- test
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Testing Electric Properties And Detecting Electric Faults (AREA)
- Dc-Dc Converters (AREA)
Abstract
The invention relates to a testing device for maintaining an optical transmission device power module. The testing device is characterized by comprising an AC/DC power source, a direct-current electronic load, a universal meter, a DC module testing circuit board and a testing cable. The DC module testing circuit board is connected with the AC/DC power source and the direct-current electronic load through the testing cable, and the universal meter is connected with the DC module testing circuit board. The power module to be tested is inserted into the DC module testing circuit board, voltage of the AC/DC power source is set, the DC module testing circuit board is powered on, load conditions of the direct-current electronic load are set, the output voltage of the DC module testing circuit board is observed through the universal meter, testing is performed on the power module to be tested, and the power module to be tested is maintained according to a test result. Compared with the prior art, the testing device has the advantages of being low in cost, high in efficiency and the like.
Description
Technical field
The present invention relates to a kind of maintainability test device of power module, especially relate to a kind of proving installation that keeps in repair the optical transmission device power module.
Background technology
The circuit board more complicated of optical transmission device, be that the circuit board composition by several difference in functionalitys forms mostly, and wherein the power supply daughter board is a significant components of optical transmission device.In board maintenance, power fail is more common phenomenon, and is wherein that DC/DC module on the power supply daughter board breaks down mostly.
In actual applications, the power supply daughter board provides stable input voltage for DC/DC module mounted thereto, and the voltage of DC/DC module output is offered after transformation, shaping, filtering to other module of optical transmission device.
Before this when the board of maintenance power fail, directly by the maintenance that powers on of the whole plate of optical transmission device frame, but because the DC/DC module generally directly is welded on the power supply daughter board, from judging whether a certain device damages until its reparation may be needed to the being dismounted for multiple times module, so not only consuming time but also likely can when the being dismounted for multiple times module, damage device.Can be fairly simple if directly change module, but can increase maintenance cost.
Summary of the invention
Purpose of the present invention is exactly that the proving installation of the maintenance optical transmission device power module that a kind of cost is low, efficiency is high is provided in order to overcome the defect that above-mentioned prior art exists.
Purpose of the present invention can be achieved through the following technical solutions:
A kind of proving installation that keeps in repair the optical transmission device power module, this device comprises AC/DC power supply, DC Electronic Loads, multimeter, DC module testing circuit board and test cable, described DC module testing circuit board connects AC/DC power supply and DC Electronic Loads by test cable respectively, and described multimeter is connected with DC module testing circuit board;
Power module to be measured is inserted to DC module testing circuit board, the voltage of AC/DC power supply is set, DC module testing circuit board powers on, the loading condition of DC Electronic Loads is set, observe the output voltage of DC module testing circuit board by multimeter, power module to be measured is tested, and according to test result, power module to be measured is keeped in repair.
Described DC module testing circuit board is provided with positive terminal and negative terminal.
Described DC module testing circuit board is outside equipped with testing cassete.
Described DC Electronic Loads is provided with power supply, voltage jack, noise jack, for the mode button of selecting mode of operation, for the button of adjusting load current, for adjust the runner of setting bandwidth and, for showing the display surface of loading condition, described positive terminal is connected voltage jack or noise jack with negative terminal simultaneously.
The selectable mode of operation of described mode button comprises CC pattern and CV pattern.
Described test comprises basic output voltage test, the fluctuating of static load output voltage and noise testing, the fluctuating of dynamic load output voltage and noise testing, output voltage stability test, short-circuit test and input voltage under-voltage protection test.
Compared with prior art, the present invention has the following advantages:
1) adopt multimeter to be tested, needn't carry out expensive investment;
2) the existing power module damaged is keeped in repair, can effectively be reduced costs;
3) when power module is keeped in repair, needn't carry out complicated dismounting, can effectively improve maintenance efficiency.
The accompanying drawing explanation
A kind of connection diagram that Fig. 1 is proving installation of the present invention;
The another kind of connection diagram that Fig. 2 is proving installation of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
As shown in Figure 1, a kind of proving installation that keeps in repair the optical transmission device power module, this device comprises AC/DC power supply, DC Electronic Loads 2, multimeter, DC module testing circuit board (UUT) 1 and test cable, DC module testing circuit board 1 connects AC/DC power supply and DC Electronic Loads 2 by test cable respectively, and multimeter is connected with DC module testing circuit board 1; Power module to be measured is inserted to DC module testing circuit board, the voltage of AC/DC power supply is set, DC module testing circuit board powers on, the loading condition of DC Electronic Loads is set, observe the output voltage of DC module testing circuit board by multimeter, power module to be measured is tested, and according to test result, power module to be measured is keeped in repair.The test that can carry out comprises basic output voltage test, the fluctuating of static load output voltage and noise testing, the fluctuating of dynamic load output voltage and noise testing, output voltage stability test, short-circuit test and input voltage under-voltage protection test.
DC module testing circuit board 1 is provided with positive terminal and negative terminal, the thickness of DC module testing circuit board 1 is 1.65mm, be of a size of 61mm * 192.5mm, for maintenance, convenient test, install testing cassete additional outside DC module testing circuit board, the length of testing cassete external structure is respectively 34cm, 26cm, 7cm.DC Electronic Loads 2 is provided with power supply, voltage jack " V ", noise jack " NOISE ", for the mode button " MODE " of selecting mode of operation with for adjusting the button of load current, the positive terminal of DC module testing circuit board is connected voltage jack " V " or noise jack " NOISE " with negative terminal simultaneously.The selectable mode of operation of mode button comprises CC pattern and CV pattern.
Button operation on DC Electronic Loads 2 comprises: press " MODE " on DC Electronic Loads, and can preference pattern; Under " CC " pattern, can set load current; By " EDIT ", then press "<=,=", rotate the runner above DC Electronic Loads, can adjust load numerical value; After setting numeral, by " ENTER ", set, then by " LOAD ", just can add load current; If cancel to load or editor, again press " LOAD " or " EDIT " gets final product; Press " SHORT " key and can start or cancel short-circuit test.The parameter that display surface on DC Electronic Loads can be set comprises current maxima H, current minimum L, T1T2, ascending current rate of change Di and drop-out current rate of change Dt.
With said apparatus, power module to be measured is carried out to basic output voltage test: under power down state, the power lead on test board correctly is connected on the AC/DC power supply according to mark, and test cable is connected.Test board is connected to DC Electronic Loads " V " jack, as shown in Figure 1.
Board under test is inserted to DC/DC module testing circuit board, the power supply of opening power and DC Electronic Loads.The voltage that direct supply provides flows to the DC/DC module after DC test board voltage regulation filtering, should be-48V of its magnitude of voltage ± 5%.The output signal of DC/DC module inputs to DC Electronic Loads after the plate voltage regulation filtering after tested, and now DC Electronic Loads is set under the CV pattern, and does not add any load, the value of observation UUT output voltage, its magnitude of voltage should be+3.35V ± 5%.Then DC Electronic Loads is set under the CC pattern, and order sets the static load of 18A, then add load, observe the value of UUT output voltage, its magnitude of voltage should be+3.30V ± 5%.Consider that output current is large, several contact points are not welding, so there is contact loss, when observation, should consider this loss, can measure the voltage on DC module lead-out terminal with multimeter.
Test index: do not having in loaded situation, UUT voltage observed reading should be+3.35V ± 5%; In the situation that add the 18A load, UUT voltage observed reading should be+3.30V ± 5%.
As shown in Figure 2, a kind of proving installation that keeps in repair the optical transmission device power module, with this device, power module to be measured is carried out to the fluctuating of static load output voltage and noise testing: the DC module testing circuit board of DC module testing circuit board is connected on " NOISE " jack of DC Electronic Loads, DC Electronic Loads is set to " CC " pattern, first by " EDIT ", then by " NOISE ", can adjust by the runner above DC Electronic Loads the value of setting bandwidth, bandwidth is set as " 20MHZ ", then by " Enter ", preserves and arrange.Then add static load 18A, by " LOAD ", observe the UUT output voltage and rise and fall.
Test index: UUT output voltage fluctuating observed result should be less than 100mV.
Embodiment 3
Shown in figure 2, a kind of proving installation that keeps in repair the optical transmission device power module, carry out the fluctuating of dynamic load output voltage and noise testing with this device to power module to be measured: the DC module testing circuit board of DC module testing circuit board is connected on " NOISE " jack of DC Electronic Loads.
Method of testing: 1, DC Electronic Loads is set to " CC " pattern, first by " DYNA ", then, by " NOISE ", on the page shown on DC Electronic Loads, H is set as " 15A ", Enter; L is set as " 10A ", Enter; T1 is set as " 3S ", Enter; T2 is set as " 3S ", Enter; Di is set as " 0.1A/us ", Enter; Dt is set as " 0.1A/us ", Enter.Cancel EDIT, then press LOAD, observation UUT output voltage rises and falls.
2, reset Di for " 2.5A/us ", Enter; Setting Dt is " 2.5A/us ", Enter.Other parameters arrange constant, again observe the UUT output voltage rise and fall.
Test result: UUT output voltage fluctuating observed result should be less than 100mV.
Embodiment 4
Shown in figure 1, a kind of proving installation that keeps in repair the optical transmission device power module, carry out the output voltage stability test with this device to power module to be measured: the DC module testing circuit board of DC module testing circuit board is connected on " V " jack of DC Electronic Loads.
DC Electronic Loads is arranged under " CV " pattern, adds static load electric current 18A (dividing into the value of fixed load electric current in the CC pattern), change AC/DC electric power output voltage value scope, from 35V to 72V.Observation UUT output voltage values.
Test index: the UUT output voltage values should be stablized.
Embodiment 5
Shown in figure 1, a kind of proving installation that keeps in repair the optical transmission device power module, with this device, power module to be measured is carried out to short-circuit test: the DC module testing circuit board of DC module testing circuit board is connected on " V " jack of DC Electronic Loads, DC Electronic Loads is arranged under " CC " pattern, presses " SHORT " key
(short-circuit test is not generally over 5 seconds), then observe the UUT output voltage values.Again, by " SHORT ", cancel short-circuit condition, load 18A, again observe the UUT output voltage values.
Test index: under short-circuit condition, the UUT output voltage values should be " 0 "; Cancel short circuit, load observation again after 18A, the UUT output voltage should be powered again, and its value should be+3.30V ± 5%.
Embodiment 6
Shown in figure 1; a kind of proving installation that keeps in repair the optical transmission device power module, carry out the input voltage under-voltage protection test with this device to power module to be measured: the DC module testing circuit board of DC module testing circuit board is connected on " V " jack of DC Electronic Loads.
DC Electronic Loads is arranged under " CV " pattern, regulates the AC/DC voltage output value to 33V ± 5% or still less, observe the UUT output voltage values.Then again the AC/DC voltage output value is recovered, again observe the UUT output voltage values.
Test index: when voltage drops to 33V ± 5% when following, the UUT output voltage should be 0V; Return to 33V ± 5% above after, the UUT output voltage should be supplied with again, its value should be+3.30V ± 5%
Claims (6)
1. a proving installation that keeps in repair the optical transmission device power module, it is characterized in that, this device comprises AC/DC power supply, DC Electronic Loads, multimeter, DC module testing circuit board and test cable, described DC module testing circuit board connects AC/DC power supply and DC Electronic Loads by test cable respectively, and described multimeter is connected with DC module testing circuit board;
Power module to be measured is inserted to DC module testing circuit board, the voltage of AC/DC power supply is set, DC module testing circuit board powers on, the loading condition of DC Electronic Loads is set, observe the output voltage of DC module testing circuit board by multimeter, power module to be measured is tested, and according to test result, power module to be measured is keeped in repair.
2. a kind of proving installation that keeps in repair the optical transmission device power module according to claim 1, is characterized in that, described DC module testing circuit board is provided with positive terminal and negative terminal.
3. a kind of proving installation that keeps in repair the optical transmission device power module according to claim 2, is characterized in that, described DC module testing circuit board is outside equipped with testing cassete.
4. a kind of proving installation that keeps in repair the optical transmission device power module according to claim 2, it is characterized in that, described DC Electronic Loads is provided with power supply, voltage jack, noise jack, for the mode button of selecting mode of operation, for the button of adjusting load current, for adjust the runner of setting bandwidth and, for showing the display surface of loading condition, described positive terminal is connected voltage jack or noise jack with negative terminal simultaneously.
5. a kind of proving installation that keeps in repair the optical transmission device power module according to claim 1, is characterized in that, the selectable mode of operation of described mode button comprises CC pattern and CV pattern.
6. a kind of proving installation that keeps in repair the optical transmission device power module according to claim 1; it is characterized in that, described test comprises basic output voltage test, the fluctuating of static load output voltage and noise testing, the fluctuating of dynamic load output voltage and noise testing, output voltage stability test, short-circuit test and input voltage under-voltage protection test.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210195570.1A CN103487765B (en) | 2012-06-13 | 2012-06-13 | A kind of proving installation keeping in repair optical transmission device power module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210195570.1A CN103487765B (en) | 2012-06-13 | 2012-06-13 | A kind of proving installation keeping in repair optical transmission device power module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103487765A true CN103487765A (en) | 2014-01-01 |
| CN103487765B CN103487765B (en) | 2016-04-06 |
Family
ID=49828138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210195570.1A Active CN103487765B (en) | 2012-06-13 | 2012-06-13 | A kind of proving installation keeping in repair optical transmission device power module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103487765B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109932664A (en) * | 2019-02-28 | 2019-06-25 | 深圳市鼎阳科技有限公司 | A kind of switching circuit and control method for electronic load short-circuit mode |
| CN111505473A (en) * | 2019-01-31 | 2020-08-07 | 佛山市顺德区顺达电脑厂有限公司 | Power supply mosfet detection device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201000933A (en) * | 2008-06-20 | 2010-01-01 | Universal Scient Ind Co Ltd | Power testing system and method thereof |
| CN101634689A (en) * | 2008-07-21 | 2010-01-27 | 环隆电气股份有限公司 | System and method for testing power supply properties |
| CN102053229A (en) * | 2009-11-02 | 2011-05-11 | 康佳集团股份有限公司 | Power detection device |
| TW201126181A (en) * | 2010-01-26 | 2011-08-01 | Hon Hai Prec Ind Co Ltd | Over current testing system |
| CN202083722U (en) * | 2011-06-11 | 2011-12-21 | 东莞市创锐电子技术有限公司 | Semi-passive electronic load capable of programming and simulating characteristic of LED (light emitting diode) |
| CN102478638A (en) * | 2010-11-27 | 2012-05-30 | 西安博昱新能源有限公司 | Comprehensive LED streetlamp power source testing system |
-
2012
- 2012-06-13 CN CN201210195570.1A patent/CN103487765B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201000933A (en) * | 2008-06-20 | 2010-01-01 | Universal Scient Ind Co Ltd | Power testing system and method thereof |
| CN101634689A (en) * | 2008-07-21 | 2010-01-27 | 环隆电气股份有限公司 | System and method for testing power supply properties |
| CN102053229A (en) * | 2009-11-02 | 2011-05-11 | 康佳集团股份有限公司 | Power detection device |
| TW201126181A (en) * | 2010-01-26 | 2011-08-01 | Hon Hai Prec Ind Co Ltd | Over current testing system |
| CN102478638A (en) * | 2010-11-27 | 2012-05-30 | 西安博昱新能源有限公司 | Comprehensive LED streetlamp power source testing system |
| CN202083722U (en) * | 2011-06-11 | 2011-12-21 | 东莞市创锐电子技术有限公司 | Semi-passive electronic load capable of programming and simulating characteristic of LED (light emitting diode) |
Non-Patent Citations (2)
| Title |
|---|
| 于遵谨: "基于单片机的开关电源测试系统的设计", 《计算机测量与控制》, vol. 16, no. 3, 31 March 2008 (2008-03-31) * |
| 台湾博计电子股份有限公司: "开关电源测试中电子负载的选用（三）", 《电源产品应用》, no. 11, 30 November 2007 (2007-11-30) * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111505473A (en) * | 2019-01-31 | 2020-08-07 | 佛山市顺德区顺达电脑厂有限公司 | Power supply mosfet detection device |
| CN109932664A (en) * | 2019-02-28 | 2019-06-25 | 深圳市鼎阳科技有限公司 | A kind of switching circuit and control method for electronic load short-circuit mode |
| CN109932664B (en) * | 2019-02-28 | 2020-12-15 | 深圳市鼎阳科技股份有限公司 | Switching circuit for electronic load short-circuit mode and control method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103487765B (en) | 2016-04-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10579085B2 (en) | Power distribution unit and fault detecting method | |
| CN103454580B (en) | A kind of circuit-breaker switching on-off coil characteristics proving installation | |
| CN102331570A (en) | Electric energy meter on-line detection method | |
| CN103605093A (en) | Calibration method of display electricity value and system thereof | |
| CN103487765B (en) | A kind of proving installation keeping in repair optical transmission device power module | |
| CN105929299B (en) | A kind of electric car DC/DC low-voltage power supply and test circuit, equipment, system and test method | |
| TW201619629A (en) | Apparatus and method for measuring capacity of cell module | |
| CN104049219A (en) | Automatic test instrument for power source test | |
| CN203929995U (en) | A kind of frequency converter PCBA test macro | |
| CN102253346A (en) | Method and device for automatically testing battery charging | |
| CN202548234U (en) | Testing equipment of photovoltaic inverter | |
| CN204008274U (en) | A kind of composite insulator amount of deflection with wave fatigue detection device | |
| CN207096388U (en) | A kind of drive circuit detecting system | |
| CN204203425U (en) | Electromagnetic switch combined test stand | |
| CN203606695U (en) | Current transforming controller tester of wind generating set | |
| CN107748345B (en) | Device and method for verifying parameters of secondary voltage dividing plate of high-voltage direct-current voltage divider | |
| CN202797554U (en) | Switching device and detection circuit of plug-in dual-power supply | |
| CN113544521A (en) | Relay working state detection system, device and method and reverse connection detection method | |
| CN103777105A (en) | Variable frequency drive debugging method | |
| CN102313869B (en) | Method for settling and screening three-terminal fixed voltage regulation integrated circuit | |
| CN221174893U (en) | Motor detection test device for shield machine | |
| CN103674553A (en) | Novel engine bench wire harness checking instrument | |
| CN211906079U (en) | Testing device for battery management system | |
| CN203773349U (en) | Whole machine test platform used for electric automobile controller | |
| CN204023451U (en) | There is the automatic rail machine of automated torque compensate function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |