CN109578206A - A kind of control device of autonomous lateral deviation blower - Google Patents
A kind of control device of autonomous lateral deviation blower Download PDFInfo
- Publication number
- CN109578206A CN109578206A CN201811645499.6A CN201811645499A CN109578206A CN 109578206 A CN109578206 A CN 109578206A CN 201811645499 A CN201811645499 A CN 201811645499A CN 109578206 A CN109578206 A CN 109578206A
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- blower
- circuit
- silicon
- controlled
- voltage
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 35
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 35
- 239000010703 silicon Substances 0.000 claims abstract description 35
- 238000002955 isolation Methods 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 7
- 238000007493 shaping process Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 238000005070 sampling Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 2
- 230000007423 decrease Effects 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 abstract description 2
- 230000008034 disappearance Effects 0.000 abstract description 2
- 238000013461 design Methods 0.000 description 5
- 230000005622 photoelectricity Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 238000011217 control strategy Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D7/00—Controlling wind motors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D17/00—Monitoring or testing of wind motors, e.g. diagnostics
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Positive-Displacement Air Blowers (AREA)
Abstract
The present invention relates to a kind of control devices of autonomous lateral deviation blower.The present invention uses controllable silicon technology, and traditional diode rectification is changed to diode and adds silicon controlled rectifier, utilizes the silicon-controlled higher feature of withstanding voltage (highest can achieve 1600V).System increases airspeedometer, and when system detection to current wind speed is more than wind speed setting, control circuit cuts off the silicon-controlled of rectification, and the voltage in DC circuit is controlled within the safe range of component at this time, the high voltage generated by silicon-controlled tolerance generator.At this time since the disappearance of load torque, the autonomous lateral deviation protection of generator can accelerate motion, the lateral deviation function of blower tail boom component is realized, the wind power decline that wind wheel absorbs, rotation speed of fan decline, so that blower enters safe traffic coverage.
Description
Technical field
The present invention relates to a kind of electrical control gears of middle-size and small-size autonomous lateral deviation type blower.
Background technique
One important feature of autonomous lateral deviation blower, when wind speed reaches design lateral deviation protection revolving speed, the wind wheel power of blower
Square can be greater than lateral deviation torque, and lateral deviation movement occurs for the tail boom component of blower, the power decline that blower absorbs, rotation speed of fan decline,
Realize the autonomous lateral deviation defencive function of blower.
When blower realizes lateral deviation function, need to consider wind wheel torque, generator torque, the balance between load torque；Wind
The balance between torque and lateral deviation torque is taken turns, there are certain contradictions for the two.In traditional control strategy, due to load torque
Presence, a part of wind wheel torque can be offset, rotation speed of fan reach design lateral deviation revolving speed when, wind wheel torque cannot be greater than lateral deviation
Torque can not achieve lateral deviation protection.For load torque once cancelling, generator enters light condition, and generator speed rises, direct current
Voltage rises, and will cause control system component damage.
In the control technology of present middle-size and small-size blower, generallys use blower input and directly rectify by rectifier bridge and obtain directly
Then galvanic electricity pressure accesses subsequent electrolytic capacitor energy storage, rear class is converted into DC voltage by DC/DC module to be made to DC load
With or DC/AC module transitions at alternating voltage give AC load use.Electrolytic capacitor pressure resistance is 450VDC, power in circuit
Device is typically up to 600~650VDC.
Circuit cannot achieve to be separated between AC and DC.In order to ensure the safety of component in system, it is necessary to which control is straight
Galvanic electricity pressure is less than 450VDC, requires to utilize load torque control model on control strategy, cannot be detached from load, ability in circuit
Ensure the safety of circuit.
Summary of the invention
The purpose of the present invention is: so that blower, in autonomous lateral deviation, lateral deviation protects action message.Further, it realizes and protects
Protect wind-driven generator, the function of Protection control system.
In order to achieve the above object, the technical solution of the present invention is to provide a kind of control device of autonomous lateral deviation blower,
Including rectified three-phase circuit, the three-phase alternating voltage of blower output is converted to DC bus-bar voltage via rectified three-phase circuit, and three
The down tube of commutating phase circuit be diode D1, D2, D3, which is characterized in that the upper tube of rectified three-phase circuit be silicon-controlled Q1, Q3,
Q5, silicon-controlled Q2, Q4, Q6 difference inverse parallel both ends silicon-controlled in Q1, Q3, Q5；The control signal end one of microprocessor is distinguished
Via three pieces photoelectric isolated chip one generate three tunnels control signal one, three tunnels control signal one respectively with silicon-controlled Q1, Q3, Q5
Control terminal is connected, and when control signal end one provides 12V voltage signal, photoelectric isolated chip one is connected, and control signal end one provides
When 0V voltage signal, photoelectric isolated chip one ends；The control signal end two of microprocessor is respectively via three pieces Phototube Coupling core
Piece two generates three tunnels and controls signal two, and three tunnels control signal two is connected with the control terminal of silicon-controlled Q2, Q4, Q6 respectively, control letter
When providing 12V voltage signal, photoelectric isolated chip two ends for number end two, when control signal end two provides 0V voltage signal, photoelectricity
Isolating chip two is connected；
It further include the airspeedometer for measuring wind speed, airspeedometer is connected with the acquisition signal input part of microprocessor, when micro-
When processor detects that current wind speed is more than preset wind speed by airspeedometer, the control signal end one of microprocessor is provided
0V voltage signal, photoelectric isolated chip one end, so that silicon-controlled Q1, Q3, Q5 end, rectified three-phase circuit is cut off.
It preferably, further include isolation circuit, the DC bus-bar voltage is via being that the microprocessor supplies after isolation circuit
Electricity.
It preferably, further include difference sample circuit, the input terminal of difference sample circuit is connected with the DC bus-bar voltage,
Difference sample circuit exports the d. c. voltage signal Vdc of Scaling to the microprocessor.
Preferably, after the microprocessor obtains the d. c. voltage signal Vdc, if the d. c. voltage signal Vdc is super
It crosses after setting value, the control signal end two provides 0V voltage signal, and the control signal end one provides 12V voltage signal,
The rectified three-phase circuit short circuit, realizes the brake function of blower.
Preferably, further include Hall current device, the electricity of the rectified three-phase circuit output is acquired by Hall current device
Signal I_in is flowed, and current signal I_in is sent to the microprocessor.
It preferably, further include measurement of fan speed circuit, which includes the three-phase to blower output
The U phase of alternating voltage and the sample resistance for being sampled shaping, the shaping circuit being connected with sample resistance and the shaping electricity of V phase
The connected isolation circuit in road, the square-wave signal FINUV and square-wave signal FINUW that two-way isolation circuit generates are sent to the micro process
Device.
The present invention uses controllable silicon technology, and traditional diode rectification is changed to diode and adds silicon controlled rectifier, using can
Control the higher feature of withstanding voltage of silicon (highest can achieve 1600V).System increases airspeedometer, when system detection to current wind
When speed is more than wind speed setting, control circuit cuts off the silicon-controlled of rectification, and the voltage in DC circuit is controlled in first device at this time
Within the safe range of part, by the high voltage of silicon-controlled tolerance generator generation.At this time due to the disappearance of load torque, generator
Autonomous lateral deviation protection can accelerate motion, realize blower tail boom component lateral deviation function, wind wheel absorb wind power decline, blower
Revolving speed decline, so that blower enters safe traffic coverage.
Detailed description of the invention
Fig. 1 is integrated circuit schematic diagram of the invention；
Fig. 2 is power supply circuit of the invention；
Fig. 3 is measurement of fan speed circuit；
Fig. 4 is current sampling circuit；
Fig. 5 is voltage sampling circuit.
Specific embodiment
Present invention will be further explained below with reference to specific examples.It should be understood that these embodiments are merely to illustrate the present invention
Rather than it limits the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, those skilled in the art
Member can make various changes or modifications the present invention, and such equivalent forms equally fall within the application the appended claims and limited
Range.
As shown in Figure 1, a kind of control device of autonomous lateral deviation blower of the present invention, including rectified three-phase circuit, blower output
Three-phase alternating voltage U, V, W be converted to DC bus-bar voltage DC_BUS+, DC_BUS-, three phase rectifier via rectified three-phase circuit
The down tube of circuit is diode D1, D2, D3, and the upper tube of rectified three-phase circuit is silicon-controlled Q1, Q3, Q5, silicon-controlled Q2, Q4, Q6
The inverse parallel both ends silicon-controlled in Q1, Q3, Q5 respectively；One WORK of control signal end of microprocessor respectively via three pieces photoelectricity every
Off-chip piece one U4, U5, U6 generate three tunnels control signal one KA1, KA2, KA3, three tunnels control signal one KA1, KA2, KA3 respectively with
The control terminal of silicon-controlled Q1, Q3, Q5 are connected.When one WORK of control signal end provides 12V voltage signal, photoelectric isolated chip one
U4, U5, U6 conducting, when the voltage zero-cross that the silicon-controlled both ends Q1, Q3, Q5 add be timing be connected, cut-off when voltage is negative, thus reality
Existing passing zero trigger design function.When one WORK of control signal end provides 0V voltage signal, photoelectric isolated chip one U4, U5, U6 are cut
Only, silicon-controlled Q1, Q3, Q5 cut-off, disconnects rectified three-phase circuit.Two SHORT of control signal end of microprocessor is respectively via three
Piece photoelectric isolated chip two U1, U2, U3 generate three tunnels control signal two KB1, KB2, KB3, three tunnels control two KB1 of signal, KB2,
KB3 is connected with the control terminal of silicon-controlled Q2, Q4, Q6 respectively.When two SHORT of control signal end provides 12V voltage signal, photoelectricity every
Off-chip piece two U1, U2, U3 cut-off, silicon-controlled Q2, Q4, Q6 cut-off.When two SHORT of control signal end provides 0V voltage signal, light
It is electrically isolated chip two U1, U2, U3 conducting, silicon-controlled Q2, Q4, Q6 conducting.In order to protect silicon-controlled safety, circuit of the invention
Middle design has over-voltage control circuit, when rotation speed of fan reaches overvoltage protection movement revolving speed, controls the down tube of rectified three-phase circuit
Bidirectionally conductive realizes the output short-circuit of blower, realizes that blower slows down using electromagnetic torque.It is moved when rotation speed of fan does not reach lateral deviation
When being required, microprocessor controls silicon-controlled Q1, Q3, Q5 conducting, realizes the three phase full wave rectification function of blower input, gives rear class
DC/DC or DC/AC circuit provides power supply.When rotation speed of fan reaches lateral deviation action request, the silicon-controlled Q1 of microprocessor control,
Q3, Q5 are disconnected, the connection between the output of cutting blower and DC circuit.Blower accelerates into lateral deviation guard mode.
The invention also includes the airspeedometer for measuring wind speed, the acquisition signal input part phases of airspeedometer and microprocessor
Even, when microprocessor detects that current wind speed is more than preset wind speed by airspeedometer, the control signal of microprocessor
A WORK is held to provide 0V voltage signal, photoelectric isolated chip one U4, U5, U6 cut-off, so that silicon-controlled Q1, Q3, Q5 end, by three
Commutating phase circuitry cuts.
Design has special auxiliary power supply circuit in circuit, and the electric energy production accessory power supply generated using blower rotation is disobeyed
Rely in external power supply power supply.Specifically as shown in Fig. 2, three-phase alternating voltage U, V, W of blower output and the DC_BUS+ letter after rectification
Number, after diode-isolated, by circuit generation+12V voltage as shown in the figure, used for circuit.As long as blower is rotating,
There can be constant current source supply.
The present invention can detecte rotation speed of fan, DC bus-bar voltage, the signals such as DC bus current.As shown in figure 3, blower
The frequency of tachometric survey circuit measuring U and W phase, signal passes through resistance sampling, subsequent shaping, then obtains square-wave signal after being isolated
FINUV and square-wave signal FINUW, square-wave signal FINUV and square-wave signal FINUW are sent to microcomputer reads processing.
As shown in figure 4, obtaining the DC current signal I_in of Scaling by Hall current device U7, it is sent to micro process
Device reading process.
As shown in figure 5, DC bus-bar voltage DC_BUS+, DC_BUS- obtain Scaling by difference sample circuit
D. c. voltage signal Vdc is sent to microcomputer reads processing.After microprocessor obtains the d. c. voltage signal Vdc, if described
For d. c. voltage signal Vdc more than after setting value, two SHORT of control signal end provides 0V voltage signal, the control letter
Number one WORK of end provides 12V voltage signal, and the brake function of blower is realized in the rectified three-phase circuit short circuit.
Claims (6)
1. a kind of control device of autonomous lateral deviation blower, including rectified three-phase circuit, the three-phase alternating voltage of blower output (U, V,
W it) is converted to DC bus-bar voltage (DC_BUS+, DC_BUS-) via rectified three-phase circuit, the down tube of rectified three-phase circuit is two
Pole pipe D1, D2, D3, which is characterized in that the upper tube of rectified three-phase circuit is silicon-controlled Q1, Q3, Q5, silicon-controlled Q2, Q4, Q6 difference
The inverse parallel both ends silicon-controlled in Q1, Q3, Q5；The control signal end one (WORK) of microprocessor is respectively via three pieces Phototube Coupling
Chip one (U4, U5, U6) generates three tunnels control signal one (KA1, KA2, KA3), and three tunnels control signal one (KA1, KA2, KA3) point
It is not connected with the control terminal of silicon-controlled Q1, Q3, Q5, when control signal end one (WORK) provides 12V voltage signal, Phototube Coupling core
Piece one (U4, U5, U6) conducting, when control signal end one (WORK) provides 0V voltage signal, photoelectric isolated chip one (U4, U5,
U6) end；The control signal end two (SHORT) of microprocessor is generated via three pieces photoelectric isolated chip two (U1, U2, U3) respectively
Three tunnels control signal two (KB1, KB2, KB3), three tunnels control signal two (KB1, KB2, KB3) respectively with silicon-controlled Q2, Q4, Q6
Control terminal is connected, when control signal end two (SHORT) provides 12V voltage signal, photoelectric isolated chip two (U1, U2, U3) cut-off,
When control signal end two (SHORT) provides 0V voltage signal, photoelectric isolated chip two (U1, U2, U3) conducting；
It further include the airspeedometer for measuring wind speed, airspeedometer is connected with the acquisition signal input part of microprocessor, works as micro process
When device detects that current wind speed is more than preset wind speed by airspeedometer, the control signal end one (WORK) of microprocessor is given
0V voltage signal out, photoelectric isolated chip one (U4, U5, U6) cut-off, so that silicon-controlled Q1, Q3, Q5 end, by three phase rectifier electricity
Road cutting.
2. a kind of control device of autonomous lateral deviation blower as described in claim 1, which is characterized in that it further include isolation circuit,
The DC bus-bar voltage (DC_BUS+, DC_BUS-) is via being the microprocessor power supply after isolation circuit.
3. a kind of control device of autonomous lateral deviation blower as described in claim 1, which is characterized in that further include difference sampling electricity
Road, the input terminal of difference sample circuit are connected with the DC bus-bar voltage (DC_BUS+, DC_BUS-), and difference sample circuit is defeated
The d. c. voltage signal Vdc of Scaling is to the microprocessor out.
4. a kind of control device of autonomous lateral deviation blower as claimed in claim 3, which is characterized in that the microprocessor obtains
After the d. c. voltage signal Vdc, if the d. c. voltage signal Vdc is more than the control signal end two after setting value
(SHORT) 0V voltage signal is provided, the control signal end one (WORK) provides 12V voltage signal, the rectified three-phase circuit
The brake function of blower is realized in short circuit.
5. a kind of control device of autonomous lateral deviation blower as described in claim 1, which is characterized in that further include Hall current device
Part, is acquired the current signal I_in of rectified three-phase circuit output by Hall current device (U7), and by current signal I_
In is sent to the microprocessor.
6. a kind of control device of autonomous lateral deviation blower as described in claim 1, which is characterized in that further include that rotation speed of fan is surveyed
Circuit is measured, which includes the progress to the U phase and V phase of the three-phase alternating voltage (U, V, W) of blower output
The sample resistance of sampling, the shaping circuit being connected with sample resistance, the isolation circuit being connected with shaping circuit, two-way isolation circuit
The square-wave signal FINUV and square-wave signal FINUW of generation are sent to the microprocessor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811645499.6A CN109578206B (en) | 2018-12-30 | 2018-12-30 | Control device of autonomous side deflection fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811645499.6A CN109578206B (en) | 2018-12-30 | 2018-12-30 | Control device of autonomous side deflection fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109578206A true CN109578206A (en) | 2019-04-05 |
| CN109578206B CN109578206B (en) | 2024-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811645499.6A Active CN109578206B (en) | 2018-12-30 | 2018-12-30 | Control device of autonomous side deflection fan |
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| Country | Link |
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| CN (1) | CN109578206B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111082719A (en) * | 2019-12-26 | 2020-04-28 | 上海致远绿色能源股份有限公司 | Combined damping power changing control device |
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|---|---|---|---|---|
| US20060006816A1 (en) * | 2004-07-07 | 2006-01-12 | Osram Sylvania Inc. | Resonant inverter including feed back circuit having phase compensator and controller |
| WO2006084294A1 (en) * | 2005-02-10 | 2006-08-17 | Fronius International Gmbh | Rectifier system for supply in a 3-phase network and rectifier unit for a 3-phase network |
| CN103016378A (en) * | 2012-11-30 | 2013-04-03 | 杭州顿力电器有限公司 | Driving circuit and driving method of external rotor electronic control type fan adjuster |
| CN103414205A (en) * | 2013-07-12 | 2013-11-27 | 国家电网公司 | Wind farm super capacitor energy storage type unified power quality conditioner |
| CN209743088U (en) * | 2018-12-30 | 2019-12-06 | 上海致远绿色能源股份有限公司 | Control device of autonomous side-bias fan |
-
2018
- 2018-12-30 CN CN201811645499.6A patent/CN109578206B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060006816A1 (en) * | 2004-07-07 | 2006-01-12 | Osram Sylvania Inc. | Resonant inverter including feed back circuit having phase compensator and controller |
| WO2006084294A1 (en) * | 2005-02-10 | 2006-08-17 | Fronius International Gmbh | Rectifier system for supply in a 3-phase network and rectifier unit for a 3-phase network |
| CN103016378A (en) * | 2012-11-30 | 2013-04-03 | 杭州顿力电器有限公司 | Driving circuit and driving method of external rotor electronic control type fan adjuster |
| CN103414205A (en) * | 2013-07-12 | 2013-11-27 | 国家电网公司 | Wind farm super capacitor energy storage type unified power quality conditioner |
| CN209743088U (en) * | 2018-12-30 | 2019-12-06 | 上海致远绿色能源股份有限公司 | Control device of autonomous side-bias fan |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111082719A (en) * | 2019-12-26 | 2020-04-28 | 上海致远绿色能源股份有限公司 | Combined damping power changing control device |
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| CN109578206B (en) | 2024-01-30 |
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