CN105606930A - Detection platform and detection torque for variable-pitch direct-current driver - Google Patents
Detection platform and detection torque for variable-pitch direct-current driver Download PDFInfo
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- CN105606930A CN105606930A CN201511029437.9A CN201511029437A CN105606930A CN 105606930 A CN105606930 A CN 105606930A CN 201511029437 A CN201511029437 A CN 201511029437A CN 105606930 A CN105606930 A CN 105606930A
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- driver
- oar
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- module
- pitch motor
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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 embodiment of the invention provides a detection platform and detection torque for a variable-pitch direct-current driver. The detection platform comprises a control module and a voltage and current collection module; the control module connected with a variable-pitch direct-current driver is used for outputting a control instruction of the variable-pitch direct-current driver and obtaining an output state parameter of the variable-pitch direct-current driver; and the voltage and current collection module connected with the variable-pitch direct-current driver is used for collecting voltage and current parameters outputted by the variable-pitch direct-current driver. According to the detection platform and the detection torque, the voltage and current collection module and the control module are used for obtaining the output state parameters of the variable-pitch direct-current driver; and the two output state parameters are compared to determine whether the variable-pitch direct-current driver works normally. Compared with the prior art, the provided technical enables the variable-pitch direct-current driver to be detected comprehensively and accurately.
Description
Technical field
The present invention relates to technical field of wind power generation, relate in particular to a kind of oar DC driver that becomes and detectPlatform and detecting box.
Background technology
At present, the wind power generating set in wind-power electricity generation industry adopts variable speed pitched control mode more,A large amount of variable blade control systems is applied in wind-driven generator, and variable blade control system is as wind-power electricity generationThe important component part of machine, can control the position of blade angle, ensures the safety of wind power generating setOperation.
Due to the wind power generating set end in whole electrical network mostly, and power grid quality is poor, instituteDrive easily to cause the core component of for example variable blade control system of variable blade control system device to become oar direct currentThe inefficacy of moving device, for cost-saving, need to keep in repair becoming oar DC driver, and in inspectionSurveying qualified rear continuation uses.
In addition, in the time that the new product that becomes oar DC driver dispatches from the factory, also need it to carry out quality testing,And at present, change oar DC driver to be detected can only be placed on to become in oar cabinet and test,Testing cost is higher, and can not carry out Performance Detection to becoming oar DC driver all-sidedly and accurately.
Summary of the invention
The object of the invention is to, a kind of oar DC driver detection platform and detecting box of becoming is provided,Become oar DC driver to detect all-sidedly and accurately.
An aspect of of the present present invention provides a kind of oar DC driver detection platform that becomes, and comprises control moduleWith electric current and voltage acquisition module; Described control module is connected with described change oar DC driver, forThe output of exporting the control instruction of described change oar DC driver and obtaining described change oar DC driverState parameter; Described electric current and voltage acquisition module is connected with described change oar DC driver, for adoptingCollect the voltage and current parameter of described change oar DC driver output.
Preferably, described control module comprises industrial computer; Described industrial computer and described change oar direct current driveMoving device connects, and in described industrial computer, is mounted with testing software, for referring to according to the test of outside inputThe control instruction of the described change oar DC driver of order output is also obtained the defeated of described change oar DC driverParameter does well.
Preferably, described platform also comprises pitch motor module, described pitch motor module respectively withDescribed change oar DC driver is connected with described control module, and described pitch motor module is as describedBecome the load of oar DC driver.
Preferably, described pitch motor module comprises pitch motor and is connected with described pitch motorSpeed detector, described speed detector is connected with described control module, for detection of becoming oarThe rotating speed of motor is also uploaded to described control module, and described control module is according to described rotating speed and rotating speedThreshold value determines that whether the driving function of described change oar DC driver is normal.
Preferably, described electric current and voltage acquisition module is also for detection of defeated by described DC driverThe stator current of the described pitch motor going out and/or rotor current.
Preferably, described pitch motor module also comprises temperature sensor, described temperature sensor withDescribed change oar DC driver connects, for by the temperature of the pitch motor gathering by described change oarDC driver is uploaded to described control module, and described control module is according to the temperature of described pitch motorDegree determines that with temperature threshold whether the driving function of described change oar DC driver is normal.
Preferably, described control module also comprises PLC module, and described PLC module comprises and being connectedPLC and digital-to-analog IO interface; Described digital-to-analog IO interface is by the described change receivingThe output state parameter that oar motor module and change oar DC driver are uploaded is transferred to described PLC and carries outData processing, output state parameter after treatment is uploaded to described industrial computer by described PLC.
Preferably, described platform also comprises rectifier, and described pitch motor module also comprises that electromagnetism stopsCar, described electromagnetic brake is connected with described pitch motor, described fairing and described electromagnetic brakeConnect, control closing down/starting of described pitch motor for the startup by described electromagnetic brake/close down.
Preferably, also comprise the first contact-making switch and pre-charge resistance, described pre-charge resistance passes throughDescribed the first contact-making switch is connected with described change oar DC driver, and described pre-charge resistance is used toThe precharge of described change oar DC driver.
Preferably, also comprise the second contact-making switch and discharge resistance, described in described discharge resistance passes throughThe second contact-making switch is connected with described change oar DC driver, and described discharge resistance is for breakingRelease when electric-examination the is looked into bus energy of described change oar DC driver.
Preferably, also comprise display screen, for the voltage that shows that electric current and voltage acquisition module collectsCurrent parameters.
Preferably, also comprise touch control display, described touch control display is connected with described industrial computer,For inputting external testing instruction to described industrial computer and showing content measurement. The opposing party of the present inventionFace provides a kind of oar DC driver detecting box that becomes, for the platform described in accommodating technique scheme,Described detecting box outer surface arranges holding tank and display board, and described holding tank is used for holding described change oarDC driver, described display panel used in the electric current and voltage that shows described change oar DC driver outputParameter.
Preferably, the inside of described holding tank is provided with liner, and the notch of described holding tank is provided withProtective cover plate.
Preferably, also comprise operation panel, on described operation panel, have contact-making switch, described contact is openedClose the break-make for controlling the circuit that described change oar DC driver connects.
Preferably, also comprise indicator board, on described indicator board, there is status indicator lamp, described stateIndicator lamp is for showing the on off state of described contact-making switch.
Change oar DC driver detection platform and detecting box that the embodiment of the present invention provides, pass through voltageCurrent collecting device and control module are obtained respectively the output state parameter that becomes oar DC driver, andThe two is compared to judge whether become oar DC driver normally works, the prior art of comparing,Can detect all-sidedly and accurately and become oar DC driver.
Brief description of the drawings
Fig. 1 is the change oar DC driver detection platform major loop illustrating in first embodiment of the inventionElectrical schematic diagram;
Fig. 2 is the change oar DC driver detection platform control mould illustrating in first embodiment of the inventionThe electrical schematic diagram of piece;
Fig. 3 illustrates that the change oar DC driver detection platform control in first embodiment of the invention returnsThe electrical schematic diagram on road;
Fig. 4 is the front view that the change oar DC driver detecting box in second embodiment of the invention is shown;
Fig. 5 is the side view that the change oar DC driver detecting box in second embodiment of the invention is shown.
Description of reference numerals:
1-control module; 2-electric current and voltage acquisition module; 3-becomes oar DC driver; 4-pitch motor;5-speed detector; 6-temperature sensor; 7-PLC; 8-digital-to-analog IO interface; 9-rectificationDevice; 10-electromagnetic brake; 11-pre-charge resistance; 12-discharge resistance; 13-the first touch control display;14-industrial computer; 15-the second touch control display; 16-hub; 17-the first power module; 18-Two power modules; 19-keyboard support; 20-holding tank; 21-display screen; 22-indicator board; 23-operationPlate.
Detailed description of the invention
General plotting of the present invention is that in wind-driven generator simulation group, variable blade control system is transported in realityIn row process, there are ordinary circumstance and special circumstances, the performance that becomes oar DC driver is carried out to full sideThe detection of face.
By building a change oar DC driver detection platform, become oar DC driverInput performance test, output performance test, work enable feedback and detect, and OK signal feedback detects,Over voltage alarm, undervoltage warning, fault feedback alarm etc. become oar DC driver warning function and detect.Concrete operations are to send control instruction by professional debugging software to becoming oar DC driver, from upperPosition machine monitoring software and electric current and voltage acquisition module real time inspection driver output state and drag electricityMachine running status, and by described output state data and running state data and setting threshold orData-oriented in control instruction is compared, to judge whether become oar DC driver normally works.
Below in conjunction with accompanying drawing, change oar DC driver detection platform of the present invention and detecting box are carried outDescribe in detail.
Embodiment mono-
The invention provides a kind of oar DC driver detection platform that becomes, as shown in Figure 1, comprise controlModule 1 and electric current and voltage acquisition module 2; Control module 1 is connected with change oar DC driver 3,Become the control instruction of oar DC driver 3 and obtain the output that becomes oar DC driver 3 for exportingState parameter; Electric current and voltage acquisition module 2 is connected with change oar DC driver 3, for gathering changeThe voltage and current parameter that oar DC driver 3 is exported.
In embodiments of the present invention, electric current and voltage acquisition module 2 comprises four ammeters, is respectively useIn measuring the stator current of pitch motor and the alternating current ammeter of rotor current, straight for measuring change oarFlow the A.C. voltmeter of the AC-input voltage of driver, become oar DC driver bus for measuringThe D.C. voltmeter of voltage and for measuring the DC voltage that becomes oar DC driver DC input voitageTable.
As shown in Figure 1, control module 1 comprises industrial computer 14; Industrial computer 14 and change oar DC driver 3Connect, in industrial computer 14, be mounted with testing software, for exporting according to the test instruction of outside inputBecome the control instruction of oar DC driver 3 and obtain the output state parameter that becomes oar DC driver 3.
As shown in Figure 2, the built-in DriveSoft host computer monitoring software of industrial computer 14 and control software, withBecome oar DC driver 3 and connect by 15pin Serial Port Line, by Serial Port Line, industrial computer 14 canTo communicate by letter with becoming oar DC driver 3, can be to becoming oar DC driver output control by controlling softwareInstruction processed, can be obtained and show the output shape that becomes oar DC driver by host computer monitoring softwareState parameter.
As shown in Figure 2, become oar DC driver detection platform and also comprise touch control display, touch-control is aobviousShow that device is connected with industrial computer 14, for inputting external testing instruction to industrial computer 14 and showing testContent.
Wherein, the first touch control display 13 and the second touch control display 15 are by hub 16 and workControl machine 14 connects, and industrial computer 14 and hub 16 are by VGA video line and 15pin Serial Port LineConnect. Industrial computer uses 24V dc source, and the direct current supply voltage of two touch control displays is 12V,Complete DC-to-dc voltage transitions with the first power module 17 herein.
The first touch control display 13 is for operating and showing the human-computer interaction interface of controlling software; SecondTouch control display 15 is for showing DriveSoft host computer monitoring software.
As shown in Figure 2, control module also comprises PLC module, and PLC module comprises and being connectedPLC7 and digital-to-analog IO interface 8; Digital-to-analog IO interface 8 is by the change oar direct current receivingThe output state parameter that driver is uploaded is transferred to PLC7 and carries out data processing, after PLC7 will processOutput state parameter be uploaded to industrial computer.
PLC adopts times good fortune PLC, uses used PLC assembly to comprise in the embodiment of the present inventionCX1020, CX1100, KL1104, KL2408 and KL9010, the effect of PLC is to set up masterStand, be responsible for the instruction control of test program.
Digital-to-analog IO interface 8 is analog input card group, and this analog input card group is by three motion control boardsCard and a Communication Card composition, the effect of analog input card group is to set up communication loop, and outside being responsible forEnclose the collection of signal, thereby realize control and signals collecting to becoming oar DC driver 3.
Become oar DC driver display platform and also comprise display screen, for showing that electric current and voltage gathers mouldThe voltage and current parameter that piece collects;
Operator reads the voltage and current parameter obtaining with control module after voltage and current parameter and compares, to judge whether become oar DC driver normally works.
As shown in Figure 1, become oar DC driver detection platform and also comprise pitch motor module, become oarMotor module is connected with change oar DC driver 3 and control module 1 respectively, and pitch motor module is doneFor becoming the load of oar DC driver 3.
As shown in Figure 1, pitch motor module comprises pitch motor 4, speed detector 5, temperatureSensor 6 and electromagnetic brake 10, wherein speed detector is rotary encoder, TEMPDevice is PT100 resistance, and electromagnetic brake is by 180V DC power supply, digital-to-analog IO interface 8For electromagnetic brake output control signal.
As shown in Figure 1, pitch motor module comprises pitch motor 4 and is connected with pitch motor 4Speed detector 5, speed detector 5 is connected with control module 1, for detection of becoming oar electricityThe rotating speed of machine 4 is also uploaded to control module 1, and control module 1 is determined according to rotating speed and rotary speed threshold valueWhether the driving function that becomes oar DC driver 3 is normal.
As depicted in figs. 1 and 2, digital-to-analog IO interface 8 is connected with PLC7, receives PLC7Instruction and to PLC7 uploading data, digital-to-analog IO interface 8 also with the turning of pitch motor moduleSpeed detector 5 and become oar DC driver 3 and connect, for the treatment of speed detector 5 withAnd the IO signal of change oar DC driver.
In test process, control module 1 is to becoming the different rotary speed instruction of oar DC driver 3,Become oar DC driver 3 and drive pitch motor 4 to work, measure motor via speed detector 5Rotating speed and rotary speed data is uploaded after, the relatively tachometer value in rotary speed instruction and the tachometer value of mensuration,If the deviation of the tachometer value in tachometer value and the rotary speed instruction measured, in 3% scope, becomes oarThe driving function of DC driver is normal.
Electric current and voltage acquisition module is determining for detection of the pitch motor of exporting by DC driver alsoElectron current and/or rotor current.
When electric current and voltage acquisition module detects the stator current of pitch motor and rotor current with become oar electricityThe ac input end of machine connects, and obtains after stator current and/or rotor current, by supervising with industrial computerControl software detection to stator current and/or rotor current compare, judgement becomes oar DC driverWhether output performance is normal.
Pitch motor module also comprises temperature sensor 6, temperature sensor 6 and change oar direct driveDevice 3 connects, for the temperature of the pitch motor of collection is uploaded to by becoming oar DC driver 3Control module 1, control module 1 is determined change oar direct current according to the temperature of pitch motor and temperature thresholdWhether the driving function of driver 3 is normal.
Temperature sensor is used for detecting whether excess temperature of pitch motor, detects simultaneously and becomes oar DC driverOvertemperature alarm function.
Platform also comprises rectifier 9, and pitch motor module also comprises electromagnetic brake 10, electromagnetic brake10 are connected with pitch motor 4, and rectifier 9 is connected with electromagnetic brake 10, for stopping by electromagnetismThe startup of car 10/close down and control closing down/starting of pitch motor.
Rectifier is connected with electrical network, offers for line voltage being converted to 180V DC voltageElectromagnetic brake. Electromagnetic brake is for controlling closing down and starting of pitch motor. Rectifier and electromagnetism are stoppedBetween car, be provided with the 3rd contact-making switch.
As shown in Figure 1, the change oar DC driver detection platform in the embodiment of the present invention also comprisesOne contact-making switch and pre-charge resistance, pre-charge resistance drives by the first contact-making switch and change oar direct currentMoving device connects, and pre-charge resistance is used to and becomes the precharge of oar DC driver.
As shown in Figure 1, the change oar DC driver detection platform in the embodiment of the present invention also comprisesTwo contact-making switches and discharge resistance, put a resistance by the second contact-making switch and change oar DC driverConnect, put a resistance for releasing and become the bus energy of oar DC driver in the time carrying out power-off inspection.
Outside the first contact-making switch, the second contact-making switch and the 3rd contact-making switch, the invention processChange oar DC driver detection platform in example also comprises other several contact-making switches, and airOther switch such as switch. As shown in Figure 3, become in the control loop of oar DC driver detection platform,The output of second source module 18 is by each switch in parallel in switch and control loop. PLC7,Digital-to-analog IO interface 8 and change oar DC driver 3 are all separately by different switches and secondThe output of power module 18 connects, and is powered by second source module 18.
In change oar DC driver detection platform in the embodiment of the present invention, be also provided with status indicator lamp,Status indicator lamp is connected in control loop with corresponding contact-making switch, is used to indicate different controlState.
The change oar DC driver detection platform that the embodiment of the present invention provides, gathers by electric current and voltageDevice and control module are obtained respectively the output state parameter that becomes oar DC driver, and by the two phaseRelatively judge whether become oar DC driver normally works, the prior art of comparing, can be comprehensively accurateReally detect and become oar DC driver.
Embodiment bis-
As shown in Figure 4, the change oar DC driver detecting box that the embodiment of the present invention provides, for holdingPut and become oar DC driver detection platform, this detecting box outer surface arranges holding tank 20 and display board21, holding tank 20 becomes oar DC driver 3 for holding, and display board 21 is straight for showing change oarThe voltage and current parameter that stream driver 3 is exported.
As shown in Figure 4, become oar DC driver detecting box and also comprise keyboard support 19, become oar direct current and driveMove the side of device detecting box as shown in Figure 5, wherein, the upper surface of holding tank and display board placePlane has the angle of 95 degree.
In the display screen arranging on display board and embodiment mono-, become oar DC driver detection platform voltageCurrent detection module connects, or the display screen arranging on display board is in embodiment mono-, to become oar direct currentThe display screen of driver detection platform electric current and voltage detection module.
Can observe and become the input of oar DC driver and the demonstration of the data of output by display board,In conjunction with the data that show according to monitoring software, can judge whether become oar driving display normally works.
The inside of holding tank 20 is as shown in Figure 2 provided with liner, and the notch of holding tank is provided with anti-Protecting cover plate.
The inner surrounding of holding tank is pasted with insulation rubber cushion, and holding tank top adds a PVCThe protective cover plate of material, design can be by change oar DC driver and detection platform to be detected like thisEffectively isolation, and make tester and change oar DC driver isolation to be detected, prevent electric shock;Meanwhile, when protective cover plate can also occur bursting event in test process, effectively protect tester.
As shown in Figure 4, in the plane at display board place, be also provided with the first touch control display 13 andTwo 15, two of touch control displays touch control displays are positioned at the top of keyboard, handled easily.
As shown in Figure 4, detecting box also comprises operation panel 23, on operation panel 23, has contact-making switch,Contact-making switch is for controlling the break-make that becomes the circuit that oar DC driver connects.
As shown in Figure 4, detecting box also comprises indicator board 22, on indicator board 22, has status indicator lamp,Status indicator lamp is for showing the on off state of above-mentioned contact-making switch. Indicator board can will become oar direct currentThe real-time status of driver is clearly fed back.
The change oar DC driver detecting box that the embodiment of the present invention provides can be equipped with oar DC driverDetection platform, becomes oar DC driver detection platform by electric current and voltage harvester and control moduleObtain respectively the output state parameter that becomes oar DC driver, and the two is compared to judge change oarWhether DC driver normally works, and can detect all-sidedly and accurately and become oar DC driver, therefore,The change oar DC driver detecting box that the embodiment of the present invention provides has good performance.
Above, be only the specific embodiment of the present invention, but protection scope of the present invention is not limited toIn this, any be familiar with those skilled in the art the present invention disclose technical scope in, canExpect easily changing or replacing, within all should being encompassed in protection scope of the present invention. Therefore, thisBright protection domain should be as the criterion with the protection domain of claim.
Claims (15)
1. a change oar DC driver detection platform, is characterized in that, comprises control module and electric current and voltage acquisition module; Described control module is connected with described change oar DC driver; Described electric current and voltage acquisition module is connected with described change oar DC driver.
2. platform according to claim 1, is characterized in that, described control module comprises industrial computer; Described industrial computer is connected with described change oar DC driver.
3. platform according to claim 2, it is characterized in that, described platform also comprises pitch motor module, and described pitch motor module is connected with described change oar DC driver and described control module respectively, and described pitch motor module is as the load of described change oar DC driver.
4. platform according to claim 3, is characterized in that, described pitch motor module comprises pitch motor and the speed detector being connected with described pitch motor, and described speed detector is connected with described control module.
5. platform according to claim 4, is characterized in that, described pitch motor module also comprises temperature sensor, and described temperature sensor is connected with described change oar DC driver.
6. platform according to claim 2, is characterized in that, described control module also comprises PLC module, and described PLC module comprises the PLC and the digital-to-analog IO interface that are connected.
7. platform according to claim 4, is characterized in that, described platform also comprises rectifier, and described pitch motor module also comprises electromagnetic brake, and described electromagnetic brake is connected with described pitch motor, and described rectifier is connected with described electromagnetic brake.
8. according to the platform described in claim 1 to 7 any one, it is characterized in that, also comprise the first contact-making switch and pre-charge resistance, described pre-charge resistance is connected with described change oar DC driver by described the first contact-making switch.
9. according to the platform described in claim 1 to 7 any one, it is characterized in that, also comprise the second contact-making switch and discharge resistance, described discharge resistance is connected with described change oar DC driver by described the second contact-making switch.
10. according to the platform described in claim 1 to 7 any one, it is characterized in that, also comprise display screen, for the voltage and current parameter that shows that electric current and voltage acquisition module collects.
11. according to the platform described in claim 2 to 7 any one, it is characterized in that, also comprises touch control display, and described touch control display is connected with described industrial computer.
12. 1 kinds of change oar DC driver detecting boxes, is characterized in that, according to the platform described in claim 1 to 11 any one, described detecting box outer surface arranges holding tank and display board for accommodating.
13. detecting boxes according to claim 12, is characterized in that, the inside of described holding tank is provided with liner, and the notch of described holding tank is provided with protective cover plate.
14. according to the detecting box described in claim 12 or 13, it is characterized in that, also comprises operation panel, on described operation panel, has contact-making switch.
15. detecting boxes according to claim 14, is characterized in that, also comprise indicator board, on described indicator board, have status indicator lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511029437.9A CN105606930A (en) | 2015-12-31 | 2015-12-31 | Detection platform and detection torque for variable-pitch direct-current driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511029437.9A CN105606930A (en) | 2015-12-31 | 2015-12-31 | Detection platform and detection torque for variable-pitch direct-current driver |
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| CN105606930A true CN105606930A (en) | 2016-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511029437.9A Pending CN105606930A (en) | 2015-12-31 | 2015-12-31 | Detection platform and detection torque for variable-pitch direct-current driver |
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| CN106353681A (en) * | 2016-11-14 | 2017-01-25 | 重庆青山工业有限责任公司 | Detecting device for automobile motor and transmission sensor |
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| CN112147427A (en) * | 2019-06-29 | 2020-12-29 | 新疆金风科技股份有限公司 | Fault detection method and fault detection circuit of power module |
| CN113280927A (en) * | 2021-05-20 | 2021-08-20 | 中广核新能源蚌埠有限公司 | Variable pitch driver detection method and device |
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Application publication date: 20160525 |
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