CN207675911U - Switching Power Supply whitepack limit Auto-Test System - Google Patents
Switching Power Supply whitepack limit Auto-Test System Download PDFInfo
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- CN207675911U CN207675911U CN201820018500.1U CN201820018500U CN207675911U CN 207675911 U CN207675911 U CN 207675911U CN 201820018500 U CN201820018500 U CN 201820018500U CN 207675911 U CN207675911 U CN 207675911U
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- power supply
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Abstract
The utility model is related to a kind of Switching Power Supply whitepack limit Auto-Test Systems,Belong to Switching Power Supply test system regions,The test system is connect with tested module,Including AC power,Electronic load,The test system further includes composite measurement module,Host computer,The composite measurement module,Tested module is connected with host computer communication,It is in series with A.C. contactor between the tested module and AC power,D.C. contactor is in series between tested module and electronic load,Tested module DC output end is just,Short-circuiting contactor is in series between cathode,The A.C. contactor,D.C. contactor,The control terminal of short-circuiting contactor is electrically connected with composite measurement module respectively,It can realize that the whitepack limit of Switching Power Supply is tested automatically by host computer and the control of composite measurement module,Greatly reduce the labor intensity of Test Engineer,Improve measuring accuracy,Test safety is ensured.
Description
Technical field
The utility model belongs to Switching Power Supply test system regions, and in particular to a kind of Switching Power Supply whitepack limit is surveyed automatically
Test system.
Background technology
After switch power module research and development, the limit test for carrying out whitepack is needed, to determine that Switching Power Supply is switching repeatedly
Machine, repeatedly short circuit, input voltage fall under the conditions of work, life situations whether meet design requirement.The test used at present
Method is mainly that the assembled state progress of alternating current source, electronic load and Switching Power Supply three is arranged repeatedly by Test Engineer
Test, this test combination is more, and amount of test data is big, and Test Engineer's duplication of labour amount is big, is unfavorable for improving test effect
Rate reduces cost.
High power switching power supply short-circuit test is limited to short-circuiting contactor power, predominantly man-made short-circuit at present, has short
There is the shortcomings that Danger Electric shock risk easily occurs for arcing when controlling inaccurate, short-circuit in short out not dead, short circuit duration.
Utility model content
For the utility model in order to solve above-mentioned problems of the prior art, the utility model provides a kind of switch electricity
Source whitepack limit Auto-Test System can realize that the whitepack limit of Switching Power Supply is tested automatically, greatly reduce testing engineering
The labor intensity of teacher improves measuring accuracy, has ensured test safety.
The utility model use specific technical solution be：
Switching Power Supply whitepack limit Auto-Test System, the test system are connected with tested module, the test system
Including AC power, electronic load, the AC power is electrically connected to the ac input end of tested module, and electronic load is electrically connected
It is connected to the DC output end of tested module, the test system further includes composite measurement module, host computer, the comprehensive survey
It measures module, tested module and host computer communication to connect, A.C. contactor is in series between the tested module and AC power,
It is in series with D.C. contactor between tested module and electronic load, is in series between the positive and negative electrode of tested module DC output end
Short-circuiting contactor, the A.C. contactor, D.C. contactor, the control terminal of short-circuiting contactor are electric with composite measurement module respectively
Connection.
The AC power is Programmable AC Power Source power supply unit, and the electronic load is negative for high power DC electronic
It carries.
The host computer communicates connection between AC power, electronic load respectively.
The DC output end of the tested module is also in series with current divider, and the current divider is connected with ammeter, institute
The ammeter stated is connected with host computer communication.
The DC output end of the tested module is also parallel with voltmeter, and the voltmeter connects with host computer communication
It connects.
The composite measurement module is the measurement module of model ZHCL-4.
The utility model has the beneficial effects that：
The utility model is tested mainly for the whitepack limit of Switching Power Supply, i.e., the repeated switching of Switching Power Supply,
Short circuit, input voltage fall three and are tested repeatedly.It compares in the past, entire test process is controlled by software, has safety system
The advantages that number is high, testing efficiency is high, testing and control is accurate.After tested Switching Power Supply is connected to system, automated system operation is surveyed
Test condition can be changed automatically according to the model of Switching Power Supply, be not necessarily to artificial interference, it is strong to reduce manual labor during examination
The employment cost of degree and company.
Description of the drawings
Fig. 1 is the principles of the present invention block diagram；
In attached drawing, 1, tested module, 2, AC power, 3, electronic load, 4, composite measurement module, 5, host computer, 6, hand over
Flow contactor, 7, D.C. contactor, 8, short-circuiting contactor, 9, current divider, 10, ammeter, 11, voltmeter.
Specific implementation mode
Below in conjunction with the accompanying drawings and specific embodiment the utility model is described in further detail：
Specific embodiment as shown in Figure 1, the utility model be a kind of Switching Power Supply whitepack limit Auto-Test System, the survey
Test system is connected with tested module 1, and the test system includes AC power 2, electronic load 3,2 electricity of AC power
It is connected to the ac input end of tested module 1, electronic load 3 is electrically connected to the DC output end of tested module 1, the test
System further includes composite measurement module 4, host computer 5, and the composite measurement module 4, tested module 1 and the communication of host computer 5 connect
It connects, A.C. contactor 6 is in series between the tested module 1 and AC power 2, is gone here and there between tested module 1 and electronic load 3
It is associated with D.C. contactor 7, short-circuiting contactor 8, the exchange are in series between the positive and negative electrode of 1 DC output end of tested module
Contactor 6, D.C. contactor 7, short-circuiting contactor 8 control terminal be electrically connected respectively with composite measurement module 4, the exchange connects
1 ac input end of the control on or off of tentaculum 6 tested module is electrically connected with AC power 2, the D.C. contactor 7 control
1 DC output end of on or off tested module processed is electrically connected with electronic load 3, the conducting of the short-circuiting contactor 8 or
Cut-out realizes that the short circuit of 1 DC output end of tested module and short circuit release.
Further, in order to improve this system the degree of automation, the AC power 2 is supplied for Programmable AC Power Source
Device, the electronic load 3 are high power DC Electronic Loads.And further by the host computer 5 respectively with exchange
Connection is communicated between power supply 2, electronic load 3.AC power 2, the control of electronic load 3 are carried out by host computer 5, so as to adjust quilt
The load-carrying size of alternating current parameter and institute that module 1 is received is surveyed, to meet the needs of comprehensive test.
Further, since tested module 1 and the communication of host computer 5 connect, tested module 1 can be read in host computer 5
The electric current and voltage swing of output, but the upload parameter that the data are tested module 1, not actual parameter, therefore for core
To reporting parameter and actual parameter, the DC output end of the tested module 1 to be also in series with current divider 9, the current divider 9
It is connected with ammeter 10, the ammeter 10 is connected with the communication of host computer 5.The straight of tested module 1 is read by ammeter 10
The actual current size of output end is flowed, the DC output end of the tested module 1 is also parallel with voltmeter 11, the voltage
Table 11 is connected with the communication of host computer 5.The virtual voltage size of the DC output end of tested module 1 is read by voltmeter 11, is led to
Whether the reported data for crossing tested module 1 known to comparison is accurate.
Further, it is that the logical conjunction electronics technology share in Shijiazhuang is limited in order to facilitate the composite measurement module 4 is controlled
The measurement module of the model ZHCL-4 of company's production.
The host computer 5 is based on GPIB communications with Programmable AC Power Source power supply unit, high power DC Electronic Loads and assists
View establishes communication connection, and communication connection, institute are established based on 485 communications protocol between the composite measurement module 4 and host computer 5
Between ammeter 10, voltmeter 11 and the host computer 5 stated communication connection, the tested module 1 are established based on 232 communications protocol
According to its model communication connection is established with host computer 5 with the CAN or 485 communication interfaces for being reserved in host computer 5.
The course of work of the utility model is to connect the Switching Power Supply i.e. to be tested of tested module 1 with this system, by friendship
Galvanic electricity source 2 is that tested module 1 provides alternating current needed for test, and the direct current of the output of tested module 1 is carried simultaneously by electronic load 3
It is tested；
1, repeated switching is tested
Controlling Programmable AC Power Source power supply unit by host computer 5 makes the AC-input voltage of tested module 1 be respectively volume
Constant voltage, upper limit voltage, lower voltage limit, control high power DC Electronic Loads make tested module 1 with maximum load, control switch
Power supply booting 15S, shut down 15s, continuous operation is distinguished 0.5 hour in the case where the exchange of tested module 1 inputs three kinds of states, each
Stage host computer 5 monitors Switching Power Supply state in real time, and tested module 1 should be able to work normally after the completion of test.
2 short-circuit tests repeatedly
Controlling Programmable AC Power Source power supply unit by host computer 5 makes 1 input voltage of tested module be rated voltage, control
High power DC Electronic Loads make Switching Power Supply in zero load or under maximum load state, control short-circuiting contactor short circuit 15S, put
15S is opened, 0.5 hour short-circuit test is carried out, ten times are repeated later and tests the booting of 1 output short-circuit of tested module, short-circuit bar
Except rear tested module 1 can work normally.Switching Power Supply state, quilt after the completion of test are monitored in real time in each stage host computer 5
Surveying module 1 should be able to work normally.
3 input voltage drop tests
Controlling Programmable AC Power Source power supply unit by host computer 5 makes 1 input voltage of tested module respectively in upper limit voltage
15S is kept with lower voltage limit, while controlling high power DC Electronic Loads makes tested module 1 per 500ms in zero load and with maximum
Variation operation 0.5 hour under load condition monitors 1 state of tested module, quilt after the completion of test in real time in each stage host computer 5
Surveying module 1 should be able to work normally.
Test system and test power disclosed in the utility model reaches 18KVA, can test 36KVA's after extension
High power switching power supply.This test system covers CAN communication, GPIB communications, 232 communications, 485 communications, being capable of real-time control, inspection
Survey the state for being tested Switching Power Supply.Host computer 5 uses PC or industrial personal computer, and system software is under 2015 platforms of Visual Studio
It is developed using ripe algorithm with C# language, point selection operation carries out testing procedure and parameter is default, and man-machine interface is friendly, and test is completed
After can automatically generate test report.Programmable AC Power Source power supply unit, which is capable of providing 0-400VAC three-phase voltages and meets majority, to be opened
Powered-down source input requirements, high power DC Electronic Loads can realize current-mode, voltage mode, resistance mode, power mode,
The load modes such as current-jump pattern, this system can realize the input control to Switching Power Supply, Loading Control, fault control,
Voltage monitoring, current monitoring, to meet the test request of the Switching Power Supply whitepack limit.
Claims (6)
1. Switching Power Supply whitepack limit Auto-Test System, which is connected with tested module (1), the test system
Including AC power (2), electronic load (3), the AC power (2) is electrically connected to the ac input end of tested module (1),
Electronic load (3) is electrically connected to the DC output end of tested module (1), it is characterised in that：The test system further includes comprehensive
Measurement module (4), host computer (5) are closed, the composite measurement module (4), tested module (1) and host computer (5) communication connect,
It is in series with A.C. contactor (6), tested module (1) and electronic load between the tested module (1) and AC power (2)
(3) it is in series with D.C. contactor (7) between, short-circuiting contactor is in series between the positive and negative electrode of tested module (1) DC output end
(8), the A.C. contactor (6), D.C. contactor (7), short-circuiting contactor (8) control terminal respectively with composite measurement module
(4) it is electrically connected.
2. Switching Power Supply whitepack limit Auto-Test System according to claim 1, it is characterised in that：The alternating current
Source (2) is Programmable AC Power Source power supply unit, and the electronic load (3) is high power DC Electronic Loads.
3. Switching Power Supply whitepack limit Auto-Test System according to claim 2, it is characterised in that：The host computer
(5) connection is communicated between AC power (2), electronic load (3) respectively.
4. Switching Power Supply whitepack limit Auto-Test System according to claim 1, it is characterised in that：The tested mould
The DC output end of block (1) is also in series with current divider (9), and the current divider (9) is connected with ammeter (10), the electric current
Table (10) is connected with host computer (5) communication.
5. Switching Power Supply whitepack limit Auto-Test System according to claim 1, it is characterised in that：The tested mould
The DC output end of block (1) is also parallel with voltmeter (11), and the voltmeter (11) is connected with host computer (5) communication.
6. Switching Power Supply whitepack limit Auto-Test System according to claim 1, it is characterised in that：The comprehensive survey
Measure the measurement module that module (4) is model ZHCL-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820018500.1U CN207675911U (en) | 2018-01-05 | 2018-01-05 | Switching Power Supply whitepack limit Auto-Test System |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820018500.1U CN207675911U (en) | 2018-01-05 | 2018-01-05 | Switching Power Supply whitepack limit Auto-Test System |
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| Publication Number | Publication Date |
|---|---|
| CN207675911U true CN207675911U (en) | 2018-07-31 |
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ID=62973210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820018500.1U Active CN207675911U (en) | 2018-01-05 | 2018-01-05 | Switching Power Supply whitepack limit Auto-Test System |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116736025A (en) * | 2023-08-14 | 2023-09-12 | 中核控制***工程有限公司 | Closed loop automatic test device and method for analog quantity acquisition equipment |
| CN117471140A (en) * | 2023-12-26 | 2024-01-30 | 深圳市瀚强科技股份有限公司 | Control device and test method based on high-power direct-current power supply |
-
2018
- 2018-01-05 CN CN201820018500.1U patent/CN207675911U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116736025A (en) * | 2023-08-14 | 2023-09-12 | 中核控制***工程有限公司 | Closed loop automatic test device and method for analog quantity acquisition equipment |
| CN116736025B (en) * | 2023-08-14 | 2023-11-21 | 中核控制***工程有限公司 | Closed loop automatic test device and method for analog quantity acquisition equipment |
| CN117471140A (en) * | 2023-12-26 | 2024-01-30 | 深圳市瀚强科技股份有限公司 | Control device and test method based on high-power direct-current power supply |
| CN117471140B (en) * | 2023-12-26 | 2024-03-19 | 深圳市瀚强科技股份有限公司 | Control device and test method based on high-power direct-current power supply |
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