CN202002983U - Automatic test system for input current characteristics of novel multi-parallel type boost chopper - Google Patents
Automatic test system for input current characteristics of novel multi-parallel type boost chopper Download PDFInfo
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- CN202002983U CN202002983U CN2010206846105U CN201020684610U CN202002983U CN 202002983 U CN202002983 U CN 202002983U CN 2010206846105 U CN2010206846105 U CN 2010206846105U CN 201020684610 U CN201020684610 U CN 201020684610U CN 202002983 U CN202002983 U CN 202002983U
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- boost chopper
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- type boost
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Abstract
The utility model relates to an automatic test system for input current characteristics of a novel multi-parallel type boost chopper. The main technical characteristic of the utility model is that a main control unit, a current sampling unit, a simulation power supply unit and a simulation load unit are comprised. The main control unit is connected with the simulation power supply unit, the simulation load unit and the tested multi-parallel type boost chopper via a communication interface, the simulation load unit is connected with the tested multi-parallel type boost chopper, the simulation power supply unit is connected with the current sampling unit, and the current sampling unit is connected with the tested multi-parallel type boost chopper and the main control unit. In the utility model, by pre-designing several standard working conditions and corresponding standard running characteristics in the main control unit, the input current characteristics of each boost chopper of the multi-parallel type boost chopper are tested, recorded and analyzed at the same time, and the current waveforms and analysis results of boost choppers are outputted automatically. The automatic test system for input current characteristics of the novel multi-parallel type boost chopper has the characteristics of high test efficiency, simple operation and high reliability.
Description
Technical field
The utility model belongs to multi-channel parallel type boost chopper field, especially a kind of Auto-Test System of novel multi-channel parallel type boost chopper input current characteristic.
Background technology
Multi-channel parallel type boost chopper is to use electronic equipment very widely in the electronic circuit, and its major function is to convert the unsettled alternating voltage of multichannel to stable DC voltage.When multi-channel parallel type boost chopper is tested, can pass through the every road of analog detection input current characteristic, determine whether tested boost chopper is qualified.Traditional testing apparatus adopt manual mode item by item, by the road test, not only testing efficiency is low, and measuring accuracy is low, is difficult to satisfy fast the accurately requirement of test.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provide a kind of testing efficiency height, easy and simple to handle, reliability is high and the Auto-Test System of the novel multi-channel parallel type boost chopper input current characteristic of satisfied fast accurately test request.
The utility model solves its technical matters and takes following technical scheme to realize:
A kind of Auto-Test System of novel multi-channel parallel type boost chopper input current characteristic, comprise main control unit (1), current sampling unit (2), simulation power supply unit (4) and fictitious load unit (5), main control unit (1) is by communication interface and simulation power supply unit (4), fictitious load unit (5) and tested multi-channel parallel type boost chopper are connected, fictitious load unit (5) is connected with tested multi-channel parallel type boost chopper, simulation power supply unit (4) is connected with current sampling unit (2), and this current sampling unit (2) is connected with tested multi-channel parallel type boost chopper and main control unit (1).
And, described fictitious load unit (5) is connected by plug-in type electric connector (3) with tested multi-channel parallel type boost chopper, simulation power supply unit (4) is connected by plug-in type electric connector (3) with current sampling unit (2), and current sampling unit (2) is connected by plug-in type electric connector (3) with main control unit (1).
And described main control unit (1) comprises master controller and data acquisition unit.
And, described current sampling unit (2) is made up of high-precision hall current sensor and sampling resistor, current sensor is concatenated into the input end of tested multi-channel parallel type boost chopper and gathers current signal, delivers to the data acquisition unit of main control unit (1) behind the current sensor output terminal connection sampling resistor.
And described simulation power supply unit (4) is made up of the high-precision programmable programmable power supply.
And described fictitious load unit (5) is made of silicon controlled rectifier.
Advantage of the present utility model and good effect are:
1, this test macro combines main control unit and fictitious load unit, simulation power supply unit and current sampling unit, by in main control unit, designing some standard conditions and corresponding standard operation characteristic in advance, test simultaneously, each road boost chopper input current characteristic of record, analyzing multiple parallel connection type boost chopper, automatically export every road boost chopper current waveform and analysis result, testing efficiency height, result are directly perceived in detail.
2, this test macro adopts high-precision hall current sensor and high-speed data acquisition unit to realize the accurate collection of current signal, makes test result precision height.
3, this test macro adopts the plug-in type electric connector to carry out each test component is linked together, for the batch testing boost chopper is provided convenience.
4, this test macro adopt pre-programmed to test control automatically can be according to the parameter of different size multi-channel parallel type boost chopper, the corresponding standard operating mode is set and corresponding standard operation characteristic is tested, in the test macro parameter area, have versatility.
Description of drawings
Fig. 1 system of the present utility model connection diagram;
The electrical connection graph of Fig. 2 the utility model and multi-channel parallel type boost chopper.
Embodiment
Below in conjunction with accompanying drawing the utility model embodiment is further described:
A kind of Auto-Test System of novel multi-channel parallel type boost chopper input current characteristic, referring to Fig. 1 and Fig. 2, i1～in-exchanges input current in the figure; M1～Mn-current sampling circuit; IM1～IMn-current sensor; R1～Rn-sampling resistor; A1～An-boost chopper; The T-inductance; The R-output resistance; C-electric capacity; The V-triode; The D-diode; The U1-diode rectifier bridge; The U2-silicon controlled rectifier.The Auto-Test System of novel multi-channel parallel type boost chopper input current characteristic comprises main control unit (1), current sampling unit (2), plug-in type electric connector (3), simulation power supply unit (4) and fictitious load unit (5), described main control unit (1) is by communication interface and simulation power supply unit (4), fictitious load unit (5) and tested multi-channel parallel type boost chopper connect, fictitious load unit (5) is connected with tested multi-channel parallel type boost chopper by plug-in type electric connector (3), simulation power supply unit (4) is connected with current sampling unit (2) by plug-in type electric connector (3), this current sampling unit (2) is connected with tested multi-channel parallel type boost chopper, and this current sampling unit (2) also is connected with main control unit (1) by plug-in type electric connector (3).
Main control unit (1) is made up of master controller and data acquisition unit, master controller is a master controller, this master controller adopts the PXI 1042Q control cabinet of NI company, its core processor is PXI 8108 controllers, and windows operating system and automatic testing software are installed in master controller; Data acquisition unit adopts PXI 6071E high-speed data acquisition card and is installed in the interior expansion slot of master controller, and data collecting card uses the private mask line to be connected with the TBX-68 terminal attachment.The communication interface of main control unit adopts the gpib interface of standard to be connected with simulation power supply unit, fictitious load unit and tested multi-channel parallel type boost chopper with the CAN interface.
The automatic testing software of installing in main control unit generates bag by automatic test controlling packet, data acquisition bag, data analysis bag and test report to be formed, and finishes content of the test automatically and generates test report according to preset program during test.Wherein, testing the controlling packet program automatically comprises: the start-stop control of the control of main circuit power supply power switch, the control of simulation power supply unit, the control of fictitious load unit, tested multi-channel parallel type boost chopper; Data acquisition bag program comprises initialization, parameter configuration and reading of data three parts, initialization section is finished the initialization of data collecting card, parameter configuration is partly finished the configuration of data collecting card channel selecting, and reading of data part is recorded as text together with the data that read and the moment of reading of data; Data analysis bag program mainly comprises carries out to recorded data that maximal value and minimum value analysis, electric current ascent stage slope are analyzed, the analysis of electric current descending branch slope.When reaching the predetermined characteristic data area, judge that tested boost chopper is qualified, otherwise judge defective; Test report generates the bag program and mainly recorded data is reduced to the current waveform of tested multi-channel parallel type boost chopper at test process, is presented on the picture, and embeds in the test report, exports through I/O.
Current sampling unit (2) is made up of current sensor and sampling resistor, this current sensor adopts the high-precision hall current sensor, current sensor is concatenated into the input end of multi-channel parallel type boost chopper and gathers current signal, delivers to the data acquisition unit of main control unit behind the current sensor output terminal connection sampling resistor.Adopt high-precision hall current sensor and high-speed data acquisition unit to realize the accurate collection of current signal, can guarantee the accuracy requirement of testing.
Simulation power supply unit (4) is made up of the high-precision programmable programmable power supply, and this simulation power supply unit (4) can provide tested multi-channel parallel type boost chopper test required AC power, simulates the characteristic of input ac power under the various operating modes.
Fictitious load unit (5) is made of silicon controlled rectifier, this fictitious load unit (5) provides the test of tested multi-channel parallel type boost chopper required dc bus power supply, simulates the characteristic under the various operating modes of tested multi-channel parallel type boost chopper output load-battery pack.
This Auto-Test System is when carrying out testing experiment, simulation power supply unit and fictitious load unit are according to some operating mode outputs of programmed in advance, AC power and direct supply are loaded into tested multi-channel parallel type boost chopper, and when starting tested multi-channel parallel type boost chopper simultaneously, the input current characteristic on the every road of tested multi-channel parallel type boost chopper should with the corresponding operating mode standard boost chopper input current characteristic index that pre-sets in the software (as maximal value, minimum value, slope etc.) consistent, be that error is less than setting, think that then this tested multi-channel parallel type boost chopper reaches qualified index, otherwise be defective.
It is emphasized that; embodiment described in the utility model is illustrative; rather than it is determinate; therefore the utility model is not limited to the embodiment described in the embodiment; every by those skilled in the art according to other embodiments that the technical solution of the utility model draws, belong to the scope of the utility model protection equally.
Claims (6)
1. the Auto-Test System of a novel multi-channel parallel type boost chopper input current characteristic, it is characterized in that: comprise main control unit (1), current sampling unit (2), simulation power supply unit (4) and fictitious load unit (5), main control unit (1) is by communication interface and simulation power supply unit (4), fictitious load unit (5) and tested multi-channel parallel type boost chopper are connected, fictitious load unit (5) is connected with tested multi-channel parallel type boost chopper, simulation power supply unit (4) is connected with current sampling unit (2), and this current sampling unit (2) is connected with tested multi-channel parallel type boost chopper and main control unit (1).
2. the Auto-Test System of novel multi-channel parallel type boost chopper input current characteristic according to claim 1, it is characterized in that: described fictitious load unit (5) is connected by plug-in type electric connector (3) with tested multi-channel parallel type boost chopper, simulation power supply unit (4) is connected by plug-in type electric connector (3) with current sampling unit (2), and current sampling unit (2) is connected by plug-in type electric connector (3) with main control unit (1).
3. the Auto-Test System of novel multi-channel parallel type boost chopper input current characteristic according to claim 1 and 2, it is characterized in that: described main control unit (1) comprises master controller and data acquisition unit.
4. the Auto-Test System of novel multi-channel parallel type boost chopper input current characteristic according to claim 1, it is characterized in that: described current sampling unit (2) is made up of high-precision hall current sensor and sampling resistor, current sensor is concatenated into the input end of tested multi-channel parallel type boost chopper and gathers current signal, delivers to the data acquisition unit of main control unit (1) behind the current sensor output terminal connection sampling resistor.
5. the Auto-Test System of novel multi-channel parallel type boost chopper input current characteristic according to claim 1, it is characterized in that: described simulation power supply unit (4) is made up of the high-precision programmable programmable power supply.
6. the Auto-Test System of novel multi-channel parallel type boost chopper input current characteristic according to claim 1, it is characterized in that: described fictitious load unit (5) is made of silicon controlled rectifier.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206846105U CN202002983U (en) | 2010-12-28 | 2010-12-28 | Automatic test system for input current characteristics of novel multi-parallel type boost chopper |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010206846105U CN202002983U (en) | 2010-12-28 | 2010-12-28 | Automatic test system for input current characteristics of novel multi-parallel type boost chopper |
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| CN202002983U true CN202002983U (en) | 2011-10-05 |
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| CN2010206846105U Expired - Lifetime CN202002983U (en) | 2010-12-28 | 2010-12-28 | Automatic test system for input current characteristics of novel multi-parallel type boost chopper |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102141589A (en) * | 2010-12-28 | 2011-08-03 | 天津电气传动设计研究所 | Automatic test system for input current characteristics of multichannel parallel-connected boost chopper |
-
2010
- 2010-12-28 CN CN2010206846105U patent/CN202002983U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102141589A (en) * | 2010-12-28 | 2011-08-03 | 天津电气传动设计研究所 | Automatic test system for input current characteristics of multichannel parallel-connected boost chopper |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111005 |
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| CX01 | Expiry of patent term |