CN107045087A - The test device and its method of double-fed wind power generator current transformer control cabinet - Google Patents
The test device and its method of double-fed wind power generator current transformer control cabinet Download PDFInfo
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- CN107045087A CN107045087A CN201611217986.3A CN201611217986A CN107045087A CN 107045087 A CN107045087 A CN 107045087A CN 201611217986 A CN201611217986 A CN 201611217986A CN 107045087 A CN107045087 A CN 107045087A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
Abstract
The invention discloses a kind of test device of double-fed wind power generator with current transformer control cabinet, including multiple needle-bars, test cabinet and host computer；Probe is provided with described needle-bar, needle-bar is connected by probe with the veneer on current transformer control cabinet, described needle-bar is also interconnected by data wire with test cabinet；Described test cabinet is according to the order of host computer, and to needle-bar input signal, test cabinet gathers the veneer data of needle-bar output；Described host computer sends test command by order wire connecting test cabinet, host computer to test cabinet, test cabinet is tested current transformer control cabinet veneer, the test data of host computer acceptance test cabinet feedback.The present invention have the advantages that it is simple in construction, without extra wiring, easy to maintenance, operation is more simple and efficient, requires relatively low to operating personnel, production cost is effectively reduced, production efficiency height is improved, and test accuracy is high, without artificial maloperation, it is to avoid the situation for damaging veneer occurs.
Description
Technical field
The invention belongs to the technical field of wind-power electricity generation, more particularly, to a kind of current transformer control of double-fed wind power generator
The test device and its method of case.
Background technology
In the prior art, double-fed wind power generator fully relies on manual testing, efficiency with the test of current transformer control cabinet
It is low, error-prone, and dependent on artificial, higher cost of labor is caused, the shortcomings of also high to personnel qualifications.
In existing current transformer control cabinet test process, first have to by the human users with certain professional skill, and need
Want research and development department to provide test guiding book and related training is carried out to tester.Tester is after training is qualified, foundation
The test item tested in guiding book, makes test wire harness, fixture, utilizes universal meter, oscillograph and computer dedicated program etc.
Professional tool, and software are tested, then are artificially compared with the given result in test guiding book, judge tested control
Whether case is qualified.And hand-kept measured data.Manual intervention degree is high, and error rate is high, and later stage test data trackability is poor,
Preserve and search inconvenience, yield etc. can not be met once output increased.
The content of the invention
The present invention provides a kind of double-fed wind power generator current transformer control cabinet to solve existing technical problem
Test device and its method.
The present invention is adopted the technical scheme that to solve technical problem present in prior art：
The present invention double-fed wind power generator current transformer control cabinet test device, including multiple needle-bars, test cabinet with it is upper
Position machine；
Probe is provided with described needle-bar, needle-bar is connected by probe with the tested single board on current transformer control cabinet, described
Needle-bar is also interconnected by data wire with test cabinet；
Described test cabinet is according to the order of host computer, and to needle-bar input signal, test cabinet receives needle-bar output
Veneer data-signal, and according to pre-set data parameters coefficient, pumping signal and veneer data-signal are carried out with it
Compare, judge whether the working condition of current transformer control cabinet tested single board is normal；
Described host computer sends test command to test cabinet, makes test machine by order wire connecting test cabinet, host computer
Case tests current transformer control cabinet tested single board, and the test data of host computer acceptance test cabinet feedback carries out test judgement, performed
Command adapted thereto, and show test result.
Described needle-bar includes outer input interface and outside output interface, and outer input interface receives test cabinet and sent
Pumping signal and be sent to probe, pumping signal is sent in the tested single board of current transformer control cabinet by probe；Outside output
The veneer data-signal of the current transformer control cabinet of interface probe feedback, and veneer data-signal is output to test cabinet
On.
Described each needle-bar is provided with multiple probes by spring crimping, and probe is corresponded on current transformer control cabinet
The test point of tested single board, corresponds the tested single board of needle-bar and current transformer control cabinet.
Described data wire is made using bus cable compression joint formula.
Described test machine case includes a bus connecting plate and nine daughter boards, nine daughter boards include a master board,
Two are simulated template, relay board, PWM ripples plate, power distribution board and power panel from control panel, two；
Master board includes digital signal processor and complicated programmable logic device, and master board is by pumping signal and veneer data
Signal is compared with data parameters coefficient set in advance, judges comparative result, and master board is provided with and puts serial ports, main control
Plate is by serial ports and host computer connection communication, and master board and two by CAN communication from carrying out data respectively between control panel
Transmission；
It is connected respectively with simulation template, relay board, PWM ripple plates by bus connecting plate from control panel；
The veneer data-signal that simulation template feeds back to needle-bar carries out detection collection and processing, and simulation template is produced to be exported to needle-bar
High-power analog signalses, i.e., to needle-bar output drive signal；
Relay board is detected and handled with output digital quantity to the input digital quantity of needle-bar, and relay board can to needle-bar output
The ohmic load of tonality, and provide ohmic load to tested single board by needle-bar；
PWM ripples plate is tested the PWM module circuit of the tested single board of current transformer control cabinet；
Power distribution board exports powerful data signal to needle-bar, drives needle-bar system electrification；
Power panel provides Power convert and power supply supply for whole cabinet；
Bus connecting plate is connected with each daughter board and carries out signal communication.
The outer input interface of described needle-bar and outside output interface are connected to simulation template according to functionally selective
Or relay board or PWM ripple plates.
Described host computer includes PC, printer and uninterrupted power source, and PC includes man-machine interaction, data storage and use
Family account management, to one or more of functional test of tested single board progress；Man-machine interaction transmits test command to test cabinet,
The tested template number of selection, input through keyboard Board Under Test numbering；The testing progress of man-machine interactive interface display test cabinet, survey
Test result；Data storage is stored the test data classification for testing cabinet upload；User management then logs in for test device
The setting of authority and password；Printer has the printing function of testing journal sheet；Uninterrupted power source provides electricity to whole test device
Source.
A kind of double-fed wind power generator method of testing of current transformer control cabinet, is comprised the following steps that：
Step one, host computer and electricity on test cabinet, boot up self-inspection；
Step 2, if the self-inspection of test cabinet is normal, current transformer control cabinet veneer is corresponded and is placed on corresponding needle-bar, will
Needle-bar is pushed, and contacts probe and the test point of current transformer control cabinet tested single board；If self-inspection is abnormal, cut-out test cabinet electricity
Source；
Step 3, in host computer in the man-machine interaction of PC, configuration testing parameter determines the tested list of current transformer control cabinet
Plate, and test command is sent to the master board of test cabinet by serial ports；
Step 4, master board is received after test command, is first sent power up commands to the specified needle-bar being connected with tested single board, is referred to
Determine needle-bar normally to go up after electricity, fed back to host computer and specify the normal signal of needle-bar；
Step 5, host computer, which is received, is specified after the normal signal of needle-bar, and the order for starting test is sent to test cabinet；
Step 6, the master board of test cabinet receives beginning test command by serial ports, judges according to test command is started
The content of test is needed, and the byte of the beginning test command after parsing is sent to from control panel, since control panel according to
The byte output drive signal of test command extremely simulates template or relay board or PWM ripple plates, then by simulation template or relay
Signal is given to the outer input interface of needle-bar by plate or PWM ripples plate, and pumping signal is sent to tested single board by needle-bar by probe,
It is after tested single board changes pumping signal by inner function circuit, the outside output interface of veneer data-signal from needle-bar is anti-
Be fed to test cabinet from control panel, veneer data letter is transferred to master board from control panel by CAN communication；
Step 7, master board passes through the veneer data-signal that the pumping signal and tested single board of being output to tested single board are fed back
Serial ports is uploaded to host computer, and host computer is judged according to predetermined test parameter, while testing the master board also root of cabinet
Judge to compare test result according to data parameters coefficient set in advance, by dual calculating, obtain test result.
The present invention has the advantages and positive effects of：
The present invention have the advantages that it is simple in construction, without extra wiring, easy to maintenance, operation is more simple and efficient, to operating personnel
It is required that it is relatively low, production cost is effectively reduced, production efficiency height is improved, and test accuracy is high, without artificial maloperation, keeps away
The situation for exempting to damage veneer occurs.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of present invention test cabinet；
Fig. 3 is the schematic flow sheet of the present invention.
Embodiment
Referring to the drawings and embodiment the present invention will be described in detail.
As shown in Figure 1-2, the test device of double-fed wind power generator of the invention current transformer control cabinet, including multiple pins
Bed, test cabinet and host computer；
Probe is provided with described needle-bar, needle-bar is connected by probe with the tested single board on current transformer control cabinet, described
Needle-bar is also interconnected by data wire with test cabinet；
Described test cabinet is according to the order of host computer, and to needle-bar input signal, test cabinet receives needle-bar output
Veneer data-signal, and according to pre-set data parameters coefficient, pumping signal and veneer data-signal are carried out with it
Compare, judge whether the working condition of current transformer control cabinet tested single board is normal；
Described host computer sends test command to test cabinet, makes test machine by order wire connecting test cabinet, host computer
Case tests current transformer control cabinet tested single board, and the test data of host computer acceptance test cabinet feedback carries out test judgement, performed
Command adapted thereto, and show test result.
Described needle-bar includes outer input interface and outside output interface, and outer input interface receives test cabinet and sent
Pumping signal and be sent to probe, pumping signal is sent in the tested single board of current transformer control cabinet by probe；Outside output
The veneer data-signal of the current transformer control cabinet of interface probe feedback, and veneer data-signal is output to test cabinet
On.
Described each needle-bar is provided with multiple probes by spring crimping, and probe is corresponded on current transformer control cabinet
The test point of tested single board, corresponds the tested single board of needle-bar and current transformer control cabinet.
Described data wire is made using bus cable compression joint formula.
Described test machine case includes a bus connecting plate and nine daughter boards, nine daughter boards include a master board,
Two are simulated template, relay board, PWM ripples plate, power distribution board and power panel from control panel, two；
Master board includes digital signal processor and complicated programmable logic device, and master board is by pumping signal and veneer data
Signal is compared with data parameters coefficient set in advance, judges comparative result, and master board is provided with and puts serial ports, main control
Plate is by serial ports and host computer connection communication, and master board and two by CAN communication from carrying out data respectively between control panel
Transmission；
It is connected respectively with simulation template, relay board, PWM ripple plates by bus connecting plate from control panel；
The veneer data-signal that simulation template feeds back to needle-bar carries out detection collection and processing, and simulation template is produced to be exported to needle-bar
High-power analog signalses, i.e., to needle-bar output drive signal；
Relay board is detected and handled with output digital quantity to the input digital quantity of needle-bar, and relay board can to needle-bar output
The ohmic load of tonality, and provide ohmic load to tested single board by needle-bar；
PWM ripples plate is tested the PWM module circuit of the tested single board of current transformer control cabinet；
Power distribution board exports powerful data signal to needle-bar, drives needle-bar system electrification；
Power panel provides Power convert and power supply supply for whole cabinet；
Bus connecting plate is connected with each daughter board and carries out signal communication.
The outer input interface of described needle-bar and outside output interface are connected to simulation template according to functionally selective
Or relay board or PWM ripple plates.
Described host computer includes PC, printer and uninterrupted power source, and PC includes man-machine interaction, data storage and use
Family account management, to one or more of functional test of tested single board progress；Man-machine interaction transmits test command to test cabinet,
The tested template number of selection, input through keyboard Board Under Test numbering；The testing progress of man-machine interactive interface display test cabinet, survey
Test result；Data storage is stored the test data classification for testing cabinet upload；User management then logs in for test device
The setting of authority and password；Printer has the printing function of testing journal sheet；Uninterrupted power source provides electricity to whole test device
Source.
As shown in figure 3, a kind of double-fed wind power generator method of testing of current transformer control cabinet, is comprised the following steps that：
Step one, host computer and electricity on test cabinet, boot up self-inspection；
Step 2, if the self-inspection of test cabinet is normal, current transformer control cabinet veneer is corresponded and is placed on corresponding needle-bar, will
Needle-bar is pushed, and contacts probe and the test point of current transformer control cabinet tested single board；If self-inspection is abnormal, cut-out test cabinet electricity
Source；
Step 3, in host computer in the man-machine interaction of PC, configuration testing parameter determines the tested list of current transformer control cabinet
Plate, and test command is sent to the master board of test cabinet by serial ports；
Step 4, master board is received after test command, is first sent power up commands to the specified needle-bar being connected with tested single board, is referred to
Determine needle-bar normally to go up after electricity, fed back to host computer and specify the normal signal of needle-bar；
Step 5, host computer, which is received, is specified after the normal signal of needle-bar, and the order for starting test is sent to test cabinet；
Step 6, the master board of test cabinet receives beginning test command by serial ports, judges according to test command is started
The content of test is needed, and the byte of the beginning test command after parsing is sent to from control panel, since control panel according to
The byte output drive signal of test command extremely simulates template or relay board or PWM ripple plates, then by simulation template or relay
Signal is given to the outer input interface of needle-bar by plate or PWM ripples plate, and pumping signal is sent to tested single board by needle-bar by probe,
It is after tested single board changes pumping signal by inner function circuit, the outside output interface of veneer data-signal from needle-bar is anti-
Be fed to test cabinet from control panel, veneer data letter is transferred to master board from control panel by CAN communication；
Step 7, master board passes through the veneer data-signal that the pumping signal and tested single board of being output to tested single board are fed back
Serial ports is uploaded to host computer, and host computer is judged according to predetermined test parameter, while testing the master board also root of cabinet
Judge to compare test result according to data parameters coefficient set in advance, by dual calculating, obtain test result.
The course of work of this example is specific as follows：
Start test, PC and test cabinet are normally upper electric, startup self-detection.
Because current transformer control cabinet is made up of the veneer of 8 difference in functionalitys, therefore with 8 needle-bars, each veneer
The needle-bar of correspondence only one.8 veneers for needing to test are correspondingly placed on 8 needle-bars, tested single board is put into correspondence
Specified needle-bar after, specify the probe one on needle-bar to rectify to the measured point that is pre-designed in tested single board, the other end, which passes through, to be surveyed
Examination line is connected with the outer input interface on specified needle-bar and outside output interface.The probe of needle-bar crimps skill using spring
Art, it is ensured that the reliability of contact, make all test points selection and position all according to tested single board and the one-to-one design of probe,
It ensure that the accuracy of test；Simultaneously because each probe is connected with the outer input interface on needle-bar and outside output interface
Connect, it is ensured that signal transmission passage it is unimpeded.
Operation has the upper computer software designed based on Labview on host computer PC, is configured from host computer operation interface
Test parameter, selects the sequence number of tested single board, and test command can be passed through serial communication to the main control for testing cabinet by host computer
Plate, master board is received after order, and the power up commands of specified needle-bar are sent first, after electricity is normal on specified needle-bar, to test
Cabinet returns to normal signal.
Host computer is sent by after the normal signal that sends of test cabinet and starts test command, have in test cabinet CPU and
Its configuration processor, constructional appearance is compact, high with output signal accuracy, and amplitude can adjust, the features such as output current is big.Main control
Plate is the main website of system, is responsible for contacting for host computer and slave station, the beginning test command that master board is sent according to host computer is sentenced
Break and the content of needs test, concurrently send the byte after command analysis to be given to from control panel 1 or from control panel 2, exist from control panel
According to command byte output drive signal to external drive circuit, then the outside input for being output to needle-bar from external drive circuit connects
Mouthful, provide signal source to tested single board.Test cabinet output pumping signal reach tested single board entrance, pumping signal via
After the functional circuit of tested single board, most veneer data-signal is exported at last, outside output interface of the veneer data-signal from needle-bar
Return to test cabinet from control panel.
Master board is transferred to through CAN communication from control panel by data, master board is according to data parameters set in advance
Coefficient, contrasts the input signal of tested single board and the output signal of tested single board, and then judge automatically by the program of master board
Whether the circuit of tested single board is working properly.
The signal that master board is also returned to the signal and tested single board that are output to tested single board by serial ports, passes through serial ports
Host computer is uploaded to, host computer procedure is judged according to predetermined test parameter, show test result, PC is to tested single board
The functional test that one or more of progress, is preserved and testing journal sheet's printing to test data.By master board with it is upper
The dual calculating of machine, ensure that the accuracy of test result
All data wires use bus cable compression joint, and wire harness easily makes, and provided with input, output interface error protection mechanism, it is ensured that
The security of system.
Uninterrupted power source provides power supply to whole test device, can enter when outside municipal power failure there is provided power supply
Row test system data are preserved, and prevent from powering off suddenly in test, the loss of data caused.
Above test process realizes one-touch automatic test, and operating personnel need to only be placed on tested single board corresponding
On needle-bar, and corresponding veneer number is selected by operation interface, click on and start test, stop one to two minutes can be from operation
Test result is checked on interface, and the data preserved in test process are checked under specified path.List can also be accurately positioned
The trouble point of plate, also has certain directive significance to product repairing.Production can be found by a large amount of test data analysis simultaneously
Product easily worn part, weak spot, instruct to have more far reaching significance for late design.
The present invention have the advantages that it is simple in construction, without extra wiring, easy to maintenance, operate it is more simple and efficient, to operating
Personnel requirement is relatively low, is effectively reduced production cost, improves production efficiency height, and test accuracy is high, without artificial behaviour by mistake
Make, it is to avoid the situation for damaging veneer occurs.
Embodiments of the invention are described in detail above, but the content is only presently preferred embodiments of the present invention,
It is not to be regarded as the practical range for limiting the present invention.Any changes and modifications in accordance with the scope of the present application,
Within the patent covering scope that the present invention all should still be belonged to.
Claims (8)
1. a kind of double-fed wind power generator test device of current transformer control cabinet, it is characterised in that：Including multiple needle-bars, test
Cabinet and host computer；
Probe is provided with described needle-bar, needle-bar is connected by probe with the tested single board on current transformer control cabinet, described
Needle-bar is also interconnected by data wire with test cabinet；
Described test cabinet is according to the order of host computer, and to needle-bar input signal, test cabinet receives needle-bar output
Veneer data-signal, and according to pre-set data parameters coefficient, pumping signal and veneer data-signal are carried out with it
Compare, judge whether the working condition of current transformer control cabinet tested single board is normal；
Described host computer sends test command to test cabinet, makes test machine by order wire connecting test cabinet, host computer
Case tests current transformer control cabinet tested single board, and the test data of host computer acceptance test cabinet feedback carries out test judgement, performed
Command adapted thereto, and show test result.
2. the double-fed wind power generator according to claim 1 test device of current transformer control cabinet, it is characterised in that：Institute
The needle-bar stated includes outer input interface and outside output interface, and outer input interface receives the pumping signal that test cabinet is sent
And probe is sent to, pumping signal is sent in the tested single board of current transformer control cabinet by probe；Outside output interface, which is received, to be visited
The veneer data-signal of the current transformer control cabinet of pin feedback, and veneer data-signal is output on test cabinet.
3. the double-fed wind power generator according to claim 2 test device of current transformer control cabinet, it is characterised in that：Institute
The each needle-bar stated is provided with multiple probes by spring crimping, and probe corresponds to tested single board on current transformer control cabinet
Test point, corresponds the tested single board of needle-bar and current transformer control cabinet.
4. the double-fed wind power generator according to claim 1 test device of current transformer control cabinet, it is characterised in that：Institute
The data wire stated is made using bus cable compression joint formula.
5. the double-fed wind power generator according to claim 1 test device of current transformer control cabinet, it is characterised in that：Institute
The test machine case stated includes a bus connecting plate and nine daughter boards, and nine daughter boards include a master board, two from control
Plate, two simulation templates, relay board, PWM ripples plate, power distribution board and power panels；
Master board includes digital signal processor and complicated programmable logic device, and master board is by pumping signal and veneer data
Signal is compared with data parameters coefficient set in advance, judges comparative result, and master board is provided with and puts serial ports, main control
Plate is by serial ports and host computer connection communication, and master board and two by CAN communication from carrying out data respectively between control panel
Transmission；
It is connected respectively with simulation template, relay board, PWM ripple plates by bus connecting plate from control panel；
The veneer data-signal that simulation template feeds back to needle-bar carries out detection collection and processing, and simulation template is produced to be exported to needle-bar
High-power analog signalses, i.e., to needle-bar output drive signal；
Relay board is detected and handled with output digital quantity to the input digital quantity of needle-bar, and relay board can to needle-bar output
The ohmic load of tonality, and provide ohmic load to tested single board by needle-bar；
PWM ripples plate is tested the PWM module circuit of the tested single board of current transformer control cabinet；
Power distribution board exports powerful data signal to needle-bar, drives needle-bar system electrification；
Power panel provides Power convert and power supply supply for whole cabinet；
Bus connecting plate is connected with each daughter board and carries out signal communication.
6. the double-fed wind power generator according to claim 5 test device of current transformer control cabinet, it is characterised in that：Institute
The outer input interface for the needle-bar stated and outside output interface are connected to simulation template or relay board according to functionally selective
Or PWM ripple plates.
7. the double-fed wind power generator according to claim 1 test device of current transformer control cabinet, it is characterised in that：Institute
The host computer stated includes PC, printer and uninterrupted power source, and PC includes man-machine interaction, data storage and user account pipe
Reason, to one or more of functional test of tested single board progress；Man-machine interaction is to test cabinet transmission test command, and selection is tested
Test plate (panel) model, input through keyboard Board Under Test numbering；Testing progress, the test result of man-machine interactive interface display test cabinet；
Data storage is stored the test data classification for testing cabinet upload；User management is then test device logon rights and close
The setting of code；Printer has the printing function of testing journal sheet；Uninterrupted power source provides power supply to whole test device.
8. a kind of double-fed wind power generator method of testing of current transformer control cabinet, it is characterised in that：Comprise the following steps that：
Step one, host computer and electricity on test cabinet, boot up self-inspection；
Step 2, if the self-inspection of test cabinet is normal, current transformer control cabinet veneer is corresponded and is placed on corresponding needle-bar, will
Needle-bar is pushed, and contacts probe and the test point of current transformer control cabinet tested single board；If self-inspection is abnormal, cut-out test cabinet electricity
Source；
Step 3, in host computer in the man-machine interaction of PC, configuration testing parameter determines the tested list of current transformer control cabinet
Plate, and test command is sent to the master board of test cabinet by serial ports；
Step 4, master board is received after test command, is first sent power up commands to the specified needle-bar being connected with tested single board, is referred to
Determine needle-bar normally to go up after electricity, fed back to host computer and specify the normal signal of needle-bar；
Step 5, host computer, which is received, is specified after the normal signal of needle-bar, and the order for starting test is sent to test cabinet；
Step 6, the master board of test cabinet receives beginning test command by serial ports, judges according to test command is started
The content of test is needed, and the byte of the beginning test command after parsing is sent to from control panel, since control panel according to
The byte output drive signal of test command extremely simulates template or relay board or PWM ripple plates, then by simulation template or relay
Signal is given to the outer input interface of needle-bar by plate or PWM ripples plate, and pumping signal is sent to tested single board by needle-bar by probe,
It is after tested single board changes pumping signal by inner function circuit, the outside output interface of veneer data-signal from needle-bar is anti-
Be fed to test cabinet from control panel, veneer data letter is transferred to master board from control panel by CAN communication；
Step 7, master board passes through the veneer data-signal that the pumping signal and tested single board of being output to tested single board are fed back
Serial ports is uploaded to host computer, and host computer is judged according to predetermined test parameter, while testing the master board also root of cabinet
Judge to compare test result according to data parameters coefficient set in advance, by dual calculating, obtain test result.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114062886A (en) * | 2020-07-30 | 2022-02-18 | 合肥本源量子计算科技有限责任公司 | Quantum chip testing method, device and system |
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| CN103823460A (en) * | 2014-02-17 | 2014-05-28 | 株洲南车时代电气股份有限公司 | Test apparatus and test method of auxiliary converter control cabinet |
| CN204143252U (en) * | 2014-10-31 | 2015-02-04 | 中冶南方（武汉）自动化有限公司 | Frequency Converter Control board test device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114062886A (en) * | 2020-07-30 | 2022-02-18 | 合肥本源量子计算科技有限责任公司 | Quantum chip testing method, device and system |
| CN114062886B (en) * | 2020-07-30 | 2023-12-12 | 合肥本源量子计算科技有限责任公司 | Quantum chip testing method, device and system |
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