CN104330592B - Check the test device and method of generator of wind generating set rotation speed measuring module - Google Patents
Check the test device and method of generator of wind generating set rotation speed measuring module Download PDFInfo
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- CN104330592B CN104330592B CN201410669717.5A CN201410669717A CN104330592B CN 104330592 B CN104330592 B CN 104330592B CN 201410669717 A CN201410669717 A CN 201410669717A CN 104330592 B CN104330592 B CN 104330592B
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Abstract
The invention discloses the test device and method of inspection generator of wind generating set rotation speed measuring module, described device includes the first detection circuit of main MCU and the power module, instruction input module, display module, the first output circuit of output pulse signal, reception and the converting analogue signals that are connected with main MCU.Further, the second detection circuit that output sine wave rushes the second output circuit of signal, return pulse signal can also be set.Methods described is connected by by the output circuit of the input and output end of rotation speed measuring module and the test device and detection circuit are corresponding, Validity Test is carried out to different rotation speed measuring modules, analysis module failure is helped, indirect labor's correction improves the control accuracy of unit.
Description
Technical field
The present invention relates to technical field of wind power, generator of wind generating set rotation speed measuring module is more particularly to checked
Test device and method.
Background technology
At present, the quantity of the wind power generating set that China has installed and used is considerable.In treatment unit power curve
During, because power of the assembling unit measurement module error causes power of the assembling unit curve bad and generated energy problem case also goes out again and again
It is existing., with actual revolution per deviation 0.1rpm, the generated output of unit will for Gspeed modules in the unit of water-cooled current transformer configuration
Influenceed by 10kW or so；Gspeed modules deviation 0.1rpm every with actual revolution, machine in the unit of air-cooled change stream configuration
The generated output of group will be influenceed by 15kW or so.Because rotating speed module is made up of discrete simulation electronic component, with
The extension of use time and the influence of temperature, the capacity cell characteristic in circuit change, and tachometric survey occurs error.Such as
Gspeed modules and OverSpeed modules in golden wind GW1500 units all can with the extension of use time and the influence of temperature
There is tachometric survey error.In order to improve the generating capacity and control accuracy of unit, Gspeed modules need periodically to carry out school
Test.Simultaneously in order to test the overspeed protection performance of unit, OverSpeed modules are also required to carry out periodic check inspection.Therefore, create
If the test device and method of inspection generator of wind generating set rotation speed measuring module, the real current important research and development problem of category it
One.
The content of the invention
It is an object of the present invention to provide the test device of inspection generator of wind generating set rotation speed measuring module, make
It can carry out Validity Test to rotation speed measuring module, help the failure of analysis generator rotating speed module, and indirect labor corrected
Journey, improves the control accuracy of unit, so as to optimize the power curve and generated energy of unit, reaches the optimization purpose to unit.
To achieve the above object, the present invention is adopted the following technical scheme that：
The test device of Wind turbines generator speed measurement module, including main MCU and the power supply mould that is connected with main MCU
The first of block, instruction input module, display module, the first output circuit of output pulse signal, reception and converting analogue signals
Detection circuit.
Further, also including be connected with main MCU output sine wave signal the second output circuit.
Further, the second detection circuit also including the return pulse signal that is connected with main MCU.
Further, the main MCU is electric to the first output according to the direct output pulse signal of instruction of instruction input module
Road.
Further, second output circuit include being connected with main MCU and produce sine wave signal from MCU and digital-to-analogue
Converter.
Further, the first detection circuit is provided with analog-digital converter.
Further, the analog-digital converter is single channel analog-digital converter, the input of the single channel analog-digital converter
End connects two bars receiving circuits by three toggle switches.
Further, the main MCU is also connected with or is integrated with over-pressed indicating circuit, for showing the analog-digital converter
Whether input signal is over-pressed.
A further object of the present invention is to provide checks generator of wind generating set tachometric survey using the test device
The method of testing of module, adopts the following technical scheme that：
The method of testing of generator of wind generating set rotation speed measuring module is checked using above-mentioned device, including：Work as survey
During the OverSpeed modules of test-run a machine group, the input of the OverSpeed modules connects first output circuit,
Output end connection the first detection circuit of OverSpeed modules；When the Gspeed modules of unit are tested, the Gspeed
The input of module connects first output circuit, output end connection the first detection circuit of Gspeed modules；Work as survey
During the Gpulse modules of test-run a machine group, the input of the Gpulse modules connects second output circuit, Gpulse modules
Output end connection the second detection circuit；It is described when the combinatorial module of the Gpul se modules and Gspeed modules is tested
The input of Gpulse modules connects second output circuit, the output end connection Gspeed modules of the Gpulse modules
Input, output end connection the first detection circuit of the Gspeed modules；It is defeated according to the module to be measured for accessing after connection
Enter detection instruction, and judged whether to need to correct or repair according to the work output signal of the module to be measured for receiving.
Further, when the OverSpeed modules are tested, detection instruction is output 8rpm respectively, 10rpm,
The test rotational speed pulse signal of 16rpm, 20rpm, and feedback rotating speed and test rotating speed according to the OverSpeed modules for receiving
Difference whether setting error range in, judge OverSpeed modules whether need correct.
Further, when the Gspeed modules are tested, detection instruction is output 8.333rpm respectively,
The test rotational speed pulse signal of 13.332rpm, 16.667rpm, 20.833rpm, and according to the anti-of the Gspeed modules for receiving
Whether feedback rotating speed is being set in error range with the difference of test rotating speed, judges whether Gspeed modules need correction.
Further, when the Gpulse modules are tested, the detection instruction is the sine wave test letter of output 10Hz
Number, and feedback pulse signal according to the Gpulse modules for receiving and the pulse signal of test signal difference whether in setting
In error range, judge whether Gpulse modules need repairing.
Further, when the combinatorial module of the Gpulse modules and Gspeed modules is tested, the detection instruction is
Export the sinusoidal test signal of 10Hz, and feedback pulse signal and the arteries and veins of test signal according to the Gspeed modules for receiving
Whether the difference of signal is rushed in setting error range, judges whether the combinatorial module needs repairing.
Present invention also offers the overspeed protection work(that the above-mentioned device of application checks wind power generating set OverSpeed modules
The method of testing of energy, adopts the following technical scheme that：
Using the survey of the overspeed protection function of above-mentioned device inspection generator of wind generating set group OverSpeed modules
Method for testing, the input of the OverSpeed modules connects first output circuit, the output of the OverSpeed modules
End is maintained at the annexation in the theft-resistant link chain of wind power generating set.
At least there is advantages below due to using above-mentioned technical proposal, the present invention：
(1) Gpulse, Gspeed and OverSpeed rotation speed measuring module are tested by circuit, judges each rotating speed
The state of measurement module, helps the failure of analysis generator rotating speed module, auxiliary to carry out manual synchronizing, improves the control essence of unit
Degree, so as to optimize the power curve of unit, improves the generated energy of unit, reaches the optimization purpose to unit.
(2) it is to reduce spare parts consumption cost, logistics cost, it is necessary to scene possesses generating unit speed module maintenance, basic function
Power of test.Test device of the invention can individually be entered to tri- kinds of rotation speed measuring modules of Gpulse, Gspeed and OverSpeed
Row test, also can carry out joint test to Gpulse modules and Gspeed modules, help analyze three kinds of rotating speeds by test result
The failure situation of module.
(3) accuracy of setting value of being overrun by circuit test OverSpeed modules, can check that unit is overrun safeguard protection
Function, assists in the functional reliability of the theft-resistant link chain of unit.
(4) present invention has that circuit is simple, and expense is low, the advantages of operate easy, interlock circuit is printed on circuit board
And it is further integrated with part, compact practical, portable product can be obtained, be conducive to the maintenance of live unit to use,
Improve detection and the efficiency repaired.
Brief description of the drawings
Above-mentioned is only the general introduction of technical solution of the present invention, in order to better understand technological means of the invention, below
With reference to accompanying drawing, the present invention is described in further detail with specific embodiment.
Fig. 1 is the test device structural representation of inspection generator of wind generating set rotation speed measuring module of the invention.
Fig. 2 be this test device under Over Speed module testing patterns with tested module connection diagram.
Fig. 3 is this test device and tested module connection signal when Over Speed modules export two-way tach signal
Figure.
Fig. 4 be this test device under GSpeed module testing patterns with tested module connection diagram.
Fig. 5 be this test device under Gpulse module testing patterns with tested module connection diagram.
Fig. 6 be this test device under Gspeed+Gpulse module joint test patterns with tested module connection signal
Figure.
Fig. 7 is three connection diagrams of toggle switch.
Specific embodiment
It is of the invention inspection generator of wind generating set rotation speed measuring module test device, including main MCU and with
The power module of main MCU connection, instruction input module, display module, the first output circuit of output pulse signal, receive and turn
Change the first detection circuit of analog signal.Further, it is also possible to further set export sine wave signal the be connected with main MCU
Second detection circuit of two output circuits and return pulse signal.
Used as preferred embodiment, test device of the invention includes above-mentioned first output circuit, the second output circuit, the
One detection circuit, the second detection circuit.Wherein, the output end of output circuit is used to connect the generator speed measurement module
Input, the generator speed measurement module is transferred to by test signal；Detect that the input of circuit is used to connect the hair
The output end of motor speed measurement module, the main MCU is given by the feedback signal transmission of the generator speed measurement module.Enter
One step ground, connectivity port can be set in the output end of output circuit and the input of detection circuit.
By above-mentioned setting, test device can be checked individually in generator of wind generating set rotation speed measuring module
OverSpeed modules, Gspeed modules, Gpulse modules, it is also possible to be connected composition with Gspeed modules to Gpulse modules
Combinatorial module carries out joint test.Specifically, by the first output circuit and the first detection circuit can to Gspeed and
OverSpeed rotation speed measuring modules are individually tested, can be to Gpulse by the second output circuit and the second detection circuit
Rotation speed measuring module is tested, by the second output circuit and the first detection circuit can to Gpulse rotation speed measuring modules and
The combinatorial module of Gspeed rotation speed measuring modules is tested.
For above-mentioned four kinds of test forms, test device of the invention checks generator of wind generating set tachometric survey mould
The test device of block can realize four kinds of test patterns, be respectively：1st, Over Speed module testings pattern；2nd, Gspeed modules are surveyed
Die trial formula；3rd, Gpulse module testings pattern；4th, Gspeed+Gpulse modules joint test pattern.These four patterns pass through
Circuit realiration output as shown in Figure 1 and detection function.
Refer to shown in Fig. 1, the output circuit is included for exporting the first output circuit of square-wave signal and for defeated
Go out the second output circuit of sine wave signal, the output end of first, second output circuit is respectively provided with described in connection
First, second output interface of generator speed measurement module input；The detection circuit is included for detecting analog signal
First detection circuit and for detect pulse signal second detection circuit, it is described first, second detection circuit input
It is respectively provided with first, second input interface for connecting the generator speed measurement module output end.
Main MCU gives the first output circuit according to the direct output pulse signal of instruction of instruction input module.Second output electricity
Road is used for producing just including being connected with main MCU from MCU and the digital analog converter being connected with from MCU from MCU and digital analog converter
String ripple signal.
First detection circuit is provided with analog-digital converter, and protection electricity is additionally provided between analog-digital converter and the first input interface
Road.
The analog-digital converter sets and uses single channel analog-digital converter, the single channel analog-digital converter there was only 1 list
The analog signalses collection conversion chip of passage, so can only once test 1 tunnel input signal, believes for exportable two-way rotating speed
Number module of overrunning, feedback signal is doubleway output, now, can set up three in the input with analog-digital converter and stir out
Close, refer to shown in Fig. 7, the input of the single channel analog-digital converter connects two bars and receives by three toggle switches
Circuit.When the poke rod of toggle switch is in centre position, switch contact any signal communication all the way not with two paths of signals；When
The poke rod of toggle switch is struck during to either side, the signal communication all the way in switch contact and two paths of signals.By three
Position toggle switch is selected to detect two paths of signals passage respectively.For the mould of overrunning of exportable two-way tach signal
Block, it is also possible to solved the above problems by using double-channel analog/digital converter, directly interconnect corresponding interface, and nothing
Toggle switch need to be set up.
Also, because the maximum input voltage of analog-digital converter is restricted, the maximum input electricity of A/D chips such as in the present embodiment
It is 5V to press, so the voltage of signal input channel is no more than 10V (partial pressure potential device partial pressure 1/2nd).Also connect on main MCU
Over-pressed indicating circuit is connected to, is indicated as the overvoltage of signalling channel voltage signal.Overvoltage indicates to use voltage comparator circuit LM393,
And 8V is arranged to by potentiometer, and when signalling channel voltage is higher than 8V, aid lamp is set and is lighted, represent that signalling channel is defeated
Enter voltage more than 8V.It is doubleway output for above-mentioned feedback signal, two signal lamps can be correspondingly arranged, is respectively used to display two
The input condition of individual signalling channel.When signalling channel does not have wiring, the overvoltage of signalling channel voltage signal is indicated both by point
It is bright, do not represent input signal overvoltage now.
Please refer to shown in Fig. 2,3, under the test pattern of Over Speed modules, Over Speed are given for exporting
The test tach signal of module sets following four kinds：The test output speed 8rpm tacho-pulses of rotating speed one；Test rotating speed two is exported
Rotating speed 10rpm tacho-pulses；The test output speed 16rpm tacho-pulses of rotating speed three；The test output speed 20rpm rotating speeds of rotating speed four
Pulse.In such a mode, circuit by host scm (MCU) produce fixed frequency square-wave signal, eventually through photoelectricity every
24 volts from circuit output square-wave pulse signals.Fig. 3 is this test device when Over Speed modules export two-way tach signal
With tested module connection diagram.Over Speed module feedbacks return analog signal to the first detection circuit.
Additionally, for Over Speed modules, test device of the invention may be also used in wind power generating set to survey
Test-run a machine group is overrun the theft-resistant link chain overspeed protection function of module Over Speed.Specifically, the output of the first output circuit is connect
Mouth is connected with the input of Over Speed modules, and the output end of Over Speed modules is maintained in aerogenerator unit safe chain
Annexation.Start test device, the set state of observation wind power generating set feedback.First output circuit is such as set by 25Hz
Output pulse signal, if this signal is directly accessed giving Over Speed modules, Over Speed modules export corresponding turn
Fast signal, if overrun, theft-resistant link chain disconnects, and unit is protected.
Please refer to shown in Fig. 4, under the test pattern of GSpeed modules, for exporting to the test of GSpeed modules
Tach signal sets following four kinds：The test output speed 8.333rpm tacho-pulses of rotating speed one；The test output speed of rotating speed two
13.332rpm tacho-pulses；The test output speed 16.667rpm tacho-pulses of rotating speed three；The test output speed of rotating speed four
20.833rpm tacho-pulses.In such a mode, circuit sends out the square-wave signal of fixed frequency by host scm (MCU), most
24 volts of square-wave pulse signals are exported by photoelectric isolating circuit eventually.GSpeed module feedbacks return analog signal to the first detection electricity
Road.
Please refer to shown in Fig. 5, under the test pattern of Gpulse modules, fixed frequency will be exchanged from single-chip microcomputer (MCU)
Rate signal gives D/A chips, sends out 10Hz sine wave signals, then exporting fixed three-phase 10Hz just by D/A change-over circuits
String AC signal.This signal output gives Gpulse modules.Second detection circuit receives 24 Fu Fangbomai that Gpulse modules are sent out
Rush signal.If the pulse signal number for receiving for 1 second is not equal to 60, then illustrate that Gpulse modules have problem and need to carry out
It is further to check and repair.
Please coordinate shown in Fig. 6, when using Gspeed+Gpulse module joint test patterns, detection object is Gspeed
With the combinatorial module of Gpulse.Gspeed modules and Gpulse modules are entered according to the connected mode in Wind turbines drawing first
Row connection.Under Gspeed+Gpulse module joint test patterns, the three-phase of the second output circuit output fixation of test device
The sinusoidal ac signal of 10Hz gives Gpulse modules, while test device gathers Gspeed modules by the first detection circuit exporting
Rotating speed voltage analog signal, analog signal passes to main MCU after analog-to-digital conversion.
In above-mentioned four kinds of test patterns, described test rotating speed can be arranged as required to be different rotating speeds, it is also possible to
More test rotating speeds are further set, more test datas can be so obtained, so that more accurately reaction test module is anti-
Present the linear case of rotating speed.
The operated key and LCDs being connected with the main MCU are provided with the test device, for realizing instructing
Input and display.Setting operated key is used to select test pattern and tests rotating speed, and LCDs can show current survey
Die trial formula, test mode and test result.
As a kind of specific embodiment：Set rotating speed module selecting switch, setting when rotating speed module selecting switch pull to
During right side, liquid crystal display display Over Speed represent that test module will use Over Speed modules；When rotating speed module selection is opened
Pass is pulled during to left side, liquid crystal display display GSpeed, represents that test module will use GSpeed modules；When rotating speed module selecting switch
At centre position, represent without any test module of selection, liquid crystal display shows the software revision code of test device：
SpeedTestModuleV3.0, test device waits the further operation of operating personnel when showing this information.When used for test
Blower fan overrun module theft-resistant link chain overspeed protection function when, set rotating speed module selecting switch at centre position, press test
Start button, liquid crystal display Over Speed Test 25rpm, now test circuit press 25Hz output pulse signals, by this signal
It is directly accessed and gives Over Speed modules, module of overrunning output correspondence tach signal, unit safety chain provides feedback.
Test device of the invention has circuit simple, and expense is low, the advantages of operate easy, interlock circuit is printed on into electricity
It is on the plate of road and further integrated with associated components, compact practical, portable product can be obtained, be conducive to live unit
Maintenance is used, and improves detection and the efficiency repaired.
When test device is used, it is that test device and tested module are powered that 24VDC power supplys can be used.According to module to be measured
Form, according to it is corresponding output and input interface be connected with measured rotating speed module.Make to distinguish according to test object below
Explanation：
1st, the test and regulation of Over Speed modules：
Circuit and power supply are connected, is powered to test device, stir the rotating speed module selecting switch of test device, selected
Over Speed template patterns, next give Over Speed module for power supply.The connection of test device and Over Speed modules
As shown in Figure 2.If Over Speed modular power sources lamp is normal, check that the overvoltage of signalling channel voltage signal is indicated or uses general-purpose
Whether the voltage of table look-up Over Speed module feedbacks output is normal.In the case of voltage is normal, the test choosing of rotating speed one is pressed
Key (rotating speed 8rpm) is selected, test device start button is next pressed, test device output interface 1 sends out rotational speed pulse signal.
Over Speed modules proceed by working output voltage signal after receiving signal, and the input interface 1 of test device is received
Over Speed modules send out voltage signal, now the measurement rotating speed reading on liquid crystal display start to change and raise, it is to be measured
Compare the gap of setting speed and measurement tachometer value after rotating speed display stabilization.If rotating speed difference is more than 0.1rpm, then then need
Manually to be risen using terminal and the rotational speed regulation potentiometer of Over Speed rotating speed modules is adjusted and corrected.
The calibration speed regulation error requirements of Over Speed modules are reduced to below 0.1rpm, and test is then pressed successively
The selection key of rotating speed two, test rotating speed three selection key, the test selection key of rotating speed four, and setting speed is examined in test rotating speed
Deviation, if rotating speed deviation is more than 0.1rpm, will manual adjustment rotating speed module potentiometer.Another signalling channel
Test and adjustment are also as above.When setting speed is more than 15rpm, note measuring two relays of overrunning in Over Speed modules
The contact of device whether disjunction.
When 2 two signals of wheel speed 1 or wheel speed of Over Speed module feedbacks output, if adopted
Opened, it is necessary to stir signalling channel selection first with above-mentioned single channel analog-digital converter and three detection circuits of toggle switch
Close, in 2 two signalling channels of wheel speed 1 or wheel speed of selection measurement Over Speed module feedback outputs is led to
The voltage signal of road output, is measured according still further to above-mentioned steps, and measurement is stirred selecting switch and is used to test in addition again after terminating
One signalling channel.
2nd, the test and regulation of GSpeed modules：
Circuit and power supply are connected, is powered to test device, stir the rotating speed module selecting switch of test device, selected
GSpeed template patterns, next give GSpeed module for power supply.Test device is as shown in Figure 3 with the connection of GSpeed modules.Such as
Fruit GSpeed modular power sources lamp is normal, and whether the voltage of the rotating speed 3 exported using general-purpose table look-up GSpeed modules is normal (or to be looked into
See that the overvoltage of signalling channel voltage signal is indicated).In the case of voltage is normal, the test selection key (rotating speed of rotating speed one is pressed
8.333rpm), tester stirs signalling channel selecting switch selection signal passage, next presses test device start button, surveys
Trial assembly is put output interface 1 and sends out tacho-pulse.GSpeed modules proceed by working output voltage signal after receiving signal, survey
The input interface 1 that trial assembly is put receives the voltage signal that GSpeed modules are sent out, and now the measurement rotating speed reading on liquid crystal display starts
Change and raise, the gap of setting speed and measurement tachometer value is compared after rotating speed display stabilization to be measured.If rotating speed difference is big
In 0.05rpm, then then need manually to be risen using terminal that the rotational speed regulation potentiometer of GSpeed rotating speed modules is adjusted.
The calibration speed regulation error requirements of GSpeed modules are reduced to below 0.05rpm, and the test selection of rotating speed two is then pressed successively
Key, test rotating speed three selection key, the test selection key of rotating speed four, and the deviation of setting speed and test rotating speed is examined in, such as
When fruit rotating speed deviation is more than 0.05rpm, will manual adjustment rotating speed module potentiometer, make every effort to each setting speed lower module
Output bias are both less than 0.05rpm.Due to rotating speed module output there may be it is certain non-linear, so to ensure GSpeed moulds
Block actual speed deviation under 13.332rpm and 16.667rpm speed settings is less than 0.025rpm.
3rd, the test of Gpulse modules：
Circuit and power supply are connected, is powered to test device, stir the rotating speed module selecting switch of test device, selected
Gpulse template patterns, next give Gpulse module for power supply.Test device is as shown in Figure 4 with the connection of Gpul se modules.Press
Lower test device start button, test circuit system output interface 2 sends out 10Hz three-phase sine-wave signals.Gpulse modules are received
Work is proceeded by after signal and exports 24 volts of pulse signals, the input interface 2 of test device receives the arteries and veins that Gpulse modules are sent out
Signal is rushed, now the measurement pulse reading on liquid crystal display starts to change and raises, setting is compared after pulse display stabilization to be measured
Pulse (60Hz) and the gap of measurement pulse value.Difference is if it exceeds 1 pulse, then illustrate that Gpulse modules have problem needs
Further manual detection maintenance.
4th, Gspeed+Gpulse modules joint test：
Circuit and power supply are connected, is powered to test device, stir the rotating speed module selecting switch of test device, selected
Gspeed+Gpulse module joint test patterns, next give Gspeed and Gpulse module for power supply.Test device and Gspeed
Connection with Gpulse modules is as shown in Figure 5.Test device start button is pressed, test circuit system output interface 2 sends out 10Hz
Three-phase sine-wave signal.Gpul se modules proceed by work 24 volts of pulse signals of output, GSpeed modules after receiving signal
Working output voltage signal is proceeded by after receiving signal, the input interface 1 of test device receives what GSpeed modules were sent out
Voltage signal, now the measurement rotating speed reading on liquid crystal display start to change and raise, compare after rotating speed to be measured display stabilization and set
Determine the gap of rotating speed and measurement examination tachometer value.Difference illustrated if it exceeds 0.1rpm, then Gpulse modules exist problem need into
One step manual detection is repaired.
The above, is only presently preferred embodiments of the present invention, and any formal limitation is not made to the present invention, this
Art personnel make a little simple modification, equivalent variations or modification using the technology contents of the disclosure above, all fall within this hair
In bright protection domain.
Claims (12)
1. the test device of Wind turbines generator speed measurement module is checked, it is characterised in that including host scm and electricity
Source module, instruction input module, display module, are connected to the first output circuit and the first detection electricity on the host scm
Road；
The instruction input module is used to send instruction to the host scm；
The host scm is used to produce pulse signal according to the instruction and be sent to first output circuit；
First output circuit is used to give Wind turbines generator speed measurement module by the output of pulse signal；
The first detection circuit is used to receive and change the simulation letter of Wind turbines generator speed measurement module re-entry speed
Number；
The display module is used to show the re-entry speed after conversion；
The power module is used to be powered for the host scm, instruction input module and display module.
2. it is according to claim 1 inspection generator of wind generating set rotation speed measuring module test device, its feature
It is, also the second output circuit of the output sine wave signal including being connected with host scm.
3. it is according to claim 2 inspection generator of wind generating set rotation speed measuring module test device, its feature
It is, also the second detection circuit of the return pulse signal including being connected with host scm.
4. it is according to claim 3 inspection generator of wind generating set rotation speed measuring module test device, its feature
Be, second output circuit include being connected with host scm and produce sine wave signal from single-chip microcomputer and digital-to-analogue conversion
Device.
5. it is according to claim 3 inspection generator of wind generating set rotation speed measuring module test device, its feature
It is that the first detection circuit is provided with analog-digital converter.
6. it is according to claim 5 inspection generator of wind generating set rotation speed measuring module test device, its feature
It is that the analog-digital converter is single channel analog-digital converter, the input of the single channel analog-digital converter is dialled by three
Two bars receiving circuits of dynamic switch connection.
7. it is according to claim 5 inspection generator of wind generating set rotation speed measuring module test device, its feature
It is that the host scm is also connected with or is integrated with over-pressed indicating circuit, the input signal for showing the analog-digital converter
It is whether over-pressed.
8. the device described in application claim any one of 3-7 checks the test of generator of wind generating set rotation speed measuring module
Method, it is characterised in that including：
When test unit overrun detection module when, the input of the detection module of overrunning connects first output circuit,
Overrun detection module output end connection it is described first detection circuit；
When the generator speed measuring module of unit is tested, input connection the first output electricity of the generator speed measuring module
Road, output end connection the first detection circuit of generator speed measuring module；
When the generator speed pulse module of unit is tested, the input connection described the of the generator speed pulse module
Two output circuits, output end connection the second detection circuit of generator speed pulse module；
When the combinatorial module of the generator speed pulse module and generator speed measuring module is tested, the generator speed arteries and veins
The input of die block connects second output circuit, and the output end connection generator of the generator speed pulse module is surveyed
The input of fast module, output end connection the first detection circuit of the generator speed measuring module；
After connection, according to the module to be measured input detection instruction for accessing, and believed according to the work of the module to be measured for receiving output
Number judge whether to need to correct or repair.
9. it is according to claim 8 inspection generator of wind generating set rotation speed measuring module method of testing, its feature
Be, when test is described overrun detection module when, the detection instruction is 8 revs/min of output respectively, 10 revs/min, 16 turns/
Minute, 20 revs/min of test rotational speed pulse signal, and the feedback rotating speed according to the detection module of overrunning for receiving and test turn
Speed difference whether setting error range in, judgement overrun detection module whether need correction.
10. it is according to claim 8 inspection generator of wind generating set rotation speed measuring module method of testing, its feature
Be, when the generator speed measuring module is tested, detection instruction for export respectively 8.333 revs/min, 13.332 turns/
Minute, 16.667 revs/min, 20.833 revs/min of test rotational speed pulse signal, and tested the speed mould according to the generator for receiving
Whether the feedback rotating speed of block is being set in error range with the difference of test rotating speed, judges whether generator speed measuring module needs school
Just.
The method of testing of 11. inspection generator of wind generating set rotation speed measuring modules according to claim 8, its feature
It is that, when the generator speed pulse module is tested, the detection instruction is the sinusoidal test signal of 10 hertz of output,
And the difference of the pulse signal of the feedback pulse signal according to the generator speed pulse module for receiving and test signal whether
In setting error range, judge whether generator speed pulse module needs repairing.
The method of testing of 12. inspection generator of wind generating set rotation speed measuring modules according to claim 8, its feature
It is that, when the combinatorial module of the generator speed pulse module and generator speed measuring module is tested, the detection instruction is
The sinusoidal test signal of 10 hertz of output, and feedback pulse signal and test letter according to the generator speed measuring module for receiving
Number pulse signal difference whether setting error range in, judge whether the combinatorial module needs repairing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410669717.5A CN104330592B (en) | 2014-11-20 | 2014-11-20 | Check the test device and method of generator of wind generating set rotation speed measuring module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410669717.5A CN104330592B (en) | 2014-11-20 | 2014-11-20 | Check the test device and method of generator of wind generating set rotation speed measuring module |
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| Publication Number | Publication Date |
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| CN104330592A CN104330592A (en) | 2015-02-04 |
| CN104330592B true CN104330592B (en) | 2017-06-06 |
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| CN201410669717.5A Active CN104330592B (en) | 2014-11-20 | 2014-11-20 | Check the test device and method of generator of wind generating set rotation speed measuring module |
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| CN110045142B (en) * | 2019-04-30 | 2021-06-22 | 中广核核电运营有限公司 | Reliability monitoring system, rotating speed rack with reliability monitoring function and system |
| CN113219207A (en) * | 2021-05-07 | 2021-08-06 | 河南柴油机重工有限责任公司 | Quick detection device of multivoltage multichannel revolution speed sensor |
| CN114839399A (en) * | 2022-04-24 | 2022-08-02 | 贵州电网有限责任公司 | Resolution checking system and method for primary frequency modulation rotating speed measuring device |
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| CN101858922A (en) * | 2009-04-09 | 2010-10-13 | 北京天源科创风电技术有限责任公司 | Method for measuring speed and detecting yawing of generator of wind generating set |
| KR20110132798A (en) * | 2010-06-03 | 2011-12-09 | 송길봉 | Wind turbine generator apparatus |
| JP2013046450A (en) * | 2011-08-23 | 2013-03-04 | Toyo Electric Mfg Co Ltd | Overspeed prevention device of power generator for distributed power supply |
| CN103091109A (en) * | 2013-01-21 | 2013-05-08 | 南京航空航天大学 | Wind turbine simulator and control method used for testing wind driven generator dynamic characteristics |
| CN204241505U (en) * | 2014-11-20 | 2015-04-01 | 北京天源科创风电技术有限责任公司 | The proving installation of inspection generator of wind generating set rotation speed measuring module |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101858922A (en) * | 2009-04-09 | 2010-10-13 | 北京天源科创风电技术有限责任公司 | Method for measuring speed and detecting yawing of generator of wind generating set |
| KR20110132798A (en) * | 2010-06-03 | 2011-12-09 | 송길봉 | Wind turbine generator apparatus |
| JP2013046450A (en) * | 2011-08-23 | 2013-03-04 | Toyo Electric Mfg Co Ltd | Overspeed prevention device of power generator for distributed power supply |
| CN103091109A (en) * | 2013-01-21 | 2013-05-08 | 南京航空航天大学 | Wind turbine simulator and control method used for testing wind driven generator dynamic characteristics |
| CN204241505U (en) * | 2014-11-20 | 2015-04-01 | 北京天源科创风电技术有限责任公司 | The proving installation of inspection generator of wind generating set rotation speed measuring module |
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