CN106787065A - Wind power pitch-controlled system back-up source charging device and its charge control method - Google Patents
Wind power pitch-controlled system back-up source charging device and its charge control method Download PDFInfo
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- CN106787065A CN106787065A CN201611190296.3A CN201611190296A CN106787065A CN 106787065 A CN106787065 A CN 106787065A CN 201611190296 A CN201611190296 A CN 201611190296A CN 106787065 A CN106787065 A CN 106787065A
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/443—Methods for charging or discharging in response to temperature
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/007188—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters
- H02J7/007192—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
- H02J7/04—Regulation of charging current or voltage
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/14—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
- H02J7/1469—Regulation of the charging current or voltage otherwise than by variation of field
- H02J7/1492—Regulation of the charging current or voltage otherwise than by variation of field by means of controlling devices between the generator output and the battery
-
- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/92—Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for vehicles
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
Present invention is disclosed wind power pitch-controlled system back-up source charging device and its charge control method, with host computer and the temperature collection circuit connection communication of collection back-up source temperature, including microprocessor, microprocessor is produced expects charge-current control signal, expect that charge voltage control signal and preferred temperature compensating control signal are conveyed to current signal amplification modulating circuit, voltage signal amplification modulating circuit, temperature signal amplification modulating circuit, current signal amplification modulating circuit is coupled with charging current control circuit, voltage signal amplification modulating circuit, temperature signal amplification modulating circuit is coupled with charging voltage and temperature compensation control circuit, charging current control circuit and charging voltage and temperature compensation control circuit constitute control double tube positive exciting circuit output control circuit.The present invention charges to the back-up source of different rated voltages, and wide using flexible, scope, temperature compensation function had not only protected back-up source but also improve the stability of back-up source output voltage.
Description
Technical field
Filled with charging the present invention relates to charging device and its control method, especially a kind of wind power pitch-controlled system back-up source
Put and its charge control method.
Background technology
With the development of wind-powered electricity generation cause, the control and design of variable blade control system are continued to optimize perfect, and especially safety sets
Meter, and one of important safeguard measure that back-up source runs as fan safe, the design of its charging device directly affect it
Service life and application reliability and flexibility.
In pitch-controlled system application, charging device is charged in floating charge mode, i.e., constant-current charge is first carried out, after
After stand-by power source voltage reaches float charge voltage, then carry out trickle charge.At present, many charging devices can only export fixed charging electricity
Pressure, it is impossible to be adjusted according to back-up source rated voltage, and pitch-controlled system provisioned in the blower fan of different generated output standby
Source nominal voltage is also not quite similar, therefore, the charging device that charging voltage is fixed cannot be applied to the wind of different generated outputs
Machine, the applicability which results in this kind of charging device is substantially reduced.
Meanwhile, common charging device does not also possess temperature compensation function, and fan operation bad environments, temperature change model
Enclose big, when environment temperature is higher, charging voltage higher is easy to charge for a long time to cause back-up source to overshoot, and reduces standby electricity
Source service life, so as to increase maintenance cost；When environment temperature is relatively low, back-up source voltage cannot again reached and is actually full of
State, influences speed of putting away the oars, or even cannot receive to home blade, there is potential safety hazard.
The content of the invention
The purpose of the present invention be exactly in order to solve the above-mentioned problems in the prior art, can be with root by proposing one kind
Wind power pitch-controlled system back-up source modulated according to different back-up source rated voltages and with temperature compensation function is filled with charging
Put and its charge control method.
The purpose of the present invention will be achieved by the following technical programs：
Wind power pitch-controlled system back-up source charging device, with host computer and the temperature acquisition electricity of collection back-up source temperature
Road connection communication, including microprocessor, the microprocessor is produced to be expected charge-current control signal, expects charging voltage control
Signal and preferred temperature compensating control signal are simultaneously conveyed to coupled current signal amplification modulating circuit, voltage signal respectively
Amplification modulating circuit, temperature signal amplification modulating circuit, the current signal amplification modulating circuit and charging current control circuit
Coupling, the voltage signal amplification modulating circuit, temperature signal amplification modulating circuit with charging voltage and function of temperature compensation control
Circuit is coupled, and the charging current control circuit and charging voltage and temperature compensation control circuit constitute control double tube positive exciting circuit
The control circuit of the charging voltage of output.
Preferably, described wind power pitch-controlled system back-up source charging device, wherein：The current signal amplifies modulation
Circuit includes the first amplifier and the second amplifier, and the positive input pin of first amplifier passes through two-stage RC filter circuits
Connection charging current modulated signal end, first order RC filter circuits include second resistance and the first electric capacity, second level RC filtered electricals
Road includes 3rd resistor and the second electric capacity, and the charging current modulated signal end connects+3.3V power ends by first resistor, described
The reverse input pin of the first amplifier by the 4th resistance connect power supply ground, the output pin of first amplifier and reversely
5th resistance is set between input pin, and the output pin of first amplifier connects described second and amplifies by the 6th resistance
The positive input pin of device, the positive input pin of the second amplifier also connects power supply ground by the 7th resistance, and described second puts
The 8th resistance is also set up between the reverse input pin and output pin of big device, the output pin output of second amplifier is filled
Electric current controling signal.
Preferably, described wind power pitch-controlled system back-up source charging device, wherein：The charging current modulated signal
The dutycycle size of the regulation charging current at end meets equation below：
Wherein, D1 is the dutycycle size for adjusting charging current, and I refers to the electric current for needing setting, when Io is constant-current charge
Electric current, the output-current rating of general i.e. charger, V1 is the electric current loop reference voltage of circuit when calculating D1 mathematical relationships, and K1 is
The proportional gain parameter that parameter according to the current signal amplification modulating circuit is calculated, value is between 0.1~10.
Preferably, described wind power pitch-controlled system back-up source charging device, wherein：The voltage signal amplifies modulation
Circuit includes the 3rd amplifier and the 4th amplifier, and the positive input pin of the 3rd amplifier passes through two-stage RC filter circuits
Connection charging voltage modulated signal end, level V RC filter circuits are made up of the tenth resistance and the 3rd electric capacity, the 6th grade of RC filtering
Circuit is made up of the 11st resistance and the 4th electric capacity, and the 9th is set between the charging voltage modulated signal end and+3.3V power supplys
Resistance, the reverse input pin of the 3rd amplifier connects power supply ground by the 12nd resistance, the 3rd amplifier it is anti-
To the 13rd resistance is set between input pin and output pin, the output pin of the 3rd amplifier passes through the 14th resistance
The positive input pin of the 4th amplifier is connected, the positive input pin of the 4th amplifier also passes through the 15th resistance
Connection power supply ground, sets the 16th resistance, the described 4th between the reverse input pin and output pin of the 4th amplifier
The output pin output charge voltage control signal of amplifier.
Preferably, described wind power pitch-controlled system back-up source charging device, wherein：The charging voltage modulated signal
The dutycycle size of the regulation charging voltage at end meets equation below：
Wherein, D2 is the dutycycle size for adjusting charging voltage, and t is the ratio of back-up source voltage and charging voltage,
VbattRefer to back-up source rated voltage, voltage swing when Vo is constant-voltage charge, the rated output voltage of general i.e. charger, V2
It is the Voltage loop reference voltage of circuit when calculating D2 mathematical relationships, K2 is the parameter according to the voltage signal amplification modulating circuit
The proportional gain parameter of calculating, value is between 0.1~10000.
Preferably, described wind power pitch-controlled system back-up source charging device, wherein：The temperature signal amplifies modulation
Circuit includes the 5th amplifier, and the positive input pin of the 5th amplifier is compensated by two-stage RC filter circuits jointing temp to be adjusted
Signal end processed and connect power supply ground, third level RC filter circuits include the 17th resistance and the 5th electric capacity, fourth stage RC filter circuits
Including the 18th resistance and the 6th electric capacity, the reverse input pin of the 5th amplifier connects power supply by the 19th resistance
Ground, sets the 20th resistance and the 21st resistance, institute between the reverse input pin and output pin of the 5th amplifier
The output pin for stating the 5th amplifier connects function of temperature compensation control signal output part by the 22nd resistance.
Preferably, described wind power pitch-controlled system back-up source charging device, wherein：The temperature-compensating modulated signal
The dutycycle size of the regulation temperature-compensating at end meets equation below：
Wherein, D3 is the dutycycle size for adjusting temperature-compensating, and Kd is according to charging voltage and temperature compensation control circuit
The product of the proportional gain constant K that parameter the is calculated and dutycycle D2 of regulation charging voltage, Ka is determined by lead-acid battery characteristic
Constant coefficient and back-up source rated voltage parameter Vbatt product, Δ T refers to the temperature difference of temperature-compensating, and Kc is according to charging
The proportional gain constant that voltage and temperature compensation control circuit parameter are calculated.
The charge control method of wind power pitch-controlled system back-up source charging device, comprises the following steps：
S1, the back-up source that microprocessor receives host computer input expects charging current parameter, calculates output and expects to charge
Current modulated, after being processed through current signal amplification modulating circuit, is exported to double tube positive exciting by charging current control circuit
Circuit；
S2, microprocessor receives the back-up source rated voltage parameter of host computer input, calculates output and expects charging voltage
Modulated signal, through voltage signal amplification modulating circuit process after, then by charging voltage and temperature compensation control circuit export to
Double tube positive exciting circuit；
S3, after microprocessor receives back-up source rated voltage parameter and the temperature collection circuit collection of host computer input
Stand-by power source temperature, calculates output temperature Compensation Modulation signal, after being processed through temperature signal amplification modulating circuit, then by the electricity that charges
Pressure and temperature compensation control circuit are exported to double tube positive exciting circuit；
S4, expectation charging current modulated signal, expectation charging voltage modulation after the double tube positive exciting circuit reception processing
Signal and temperature-compensating modulated signal export charging voltage after being processed.
Preferably, the charge control method of described wind power pitch-controlled system back-up source charging device, wherein：After described
The scope of stand-by power source rated voltage parameter is between 0~276V, and parameters precision is 1V.
Preferably, the charge control method of described wind power pitch-controlled system back-up source charging device, wherein：The temperature
Degree Compensation Modulation signal is used to, when back-up source temperature is higher than 20 DEG C of design temperature, reduce the charging voltage of charging device,
And when back-up source temperature is less than 20 DEG C of design temperature, increase the charging voltage of charging device.
The advantage of technical solution of the present invention is mainly reflected in：
The present invention is reasonable in design, by adjusting the rated voltage parameter of back-up source, can be applicable different rated voltages
The charging requirement of back-up source, parameter designing is simple, directly perceived, quick, improves popularity and the flexibility of charging device application,
Temperature compensation function had not only protected back-up source but also had improve the stability of back-up source output voltage, was the safe, steady of blower fan
Fixed operation provides relatively reliable guarantee, while being also beneficial to extend the shelf life of back-up source.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is charging current signal amplification modulating circuit figure of the invention；
Fig. 3 is charging voltage signal amplification modulating circuit figure of the invention；
Fig. 4 is temperature control signals amplification modulating circuit figure of the invention；
Fig. 5 is the control electricity of charging current control circuit and charging voltage and temperature compensation control circuit composition in the present invention
Road.
Specific embodiment
The purpose of the present invention, advantage and feature, by by the non-limitative illustration of preferred embodiment below carry out diagram and
Explain.These embodiments are only the prominent examples using technical solution of the present invention, it is all take equivalent or equivalent transformation and
The technical scheme of formation, all falls within the scope of protection of present invention.
The wind power pitch-controlled system back-up source charging device that the present invention is disclosed, as shown in Figure 1, and host computer 1 and adopts
Collect the temperature collection circuit connection communication of back-up source temperature, including microprocessor 2, the microprocessor 2 is produced to be expected to charge
Current controling signal, expectation charge voltage control signal and preferred temperature compensating control signal are simultaneously conveyed to coupled respectively
Current signal amplification modulating circuit 3, voltage signal amplification modulating circuit 4, temperature signal amplification modulating circuit 5, the electric current letter
Number amplification modulating circuit 3 is coupled with charging current control circuit 6, and the voltage signal amplification modulating circuit 4, temperature signal amplifies
Modulation circuit 5 is coupled with charging voltage and temperature compensation control circuit 7, the charging current control circuit 6 and charging voltage
And temperature compensation control circuit 7 constitutes the control circuit 9 of the charging voltage of the output of control double tube positive exciting circuit 8.
Wherein, as shown in Figure 2, the current signal amplification modulating circuit 3 is put including the first amplifier U9-B and second
The positive input pin of big device U9-C, the first amplifier U9-B connects charging current and modulates letter by two-stage RC filter circuits
Number end D1, first order RC filter circuits include second resistance R65 and the first electric capacity C42, and RC filter circuit in the second level includes the 3rd
Resistance R66 and the second electric capacity C43, the charging current modulated signal end D1 connect+3.3V power ends, institute by first resistor R89
The reverse input pin for stating the first amplifier U9-B connects power supply ground by the 4th resistance R67, the first amplifier U9-B's
5th resistance R68 is set between output pin and reverse input pin, and the output pin of the first amplifier U9-B is by the
Six resistance R64 connect the positive input pin of the second amplifier U9-C, and the positive input pin of the second amplifier U9-C is also
Power supply ground is connected by the 5th the 7th resistance R63, between the reverse input pin and output pin of the second amplifier U9-C
Also set up the 8th resistance R79, the output pin output charge-current control signal AO1 of the second amplifier U9-C.
Can be obtained according to the current signal amplification modulating circuit, the voltage V of the charge-current control signal end AO1AO1With
The relation of the dutycycle size of the regulation charging current of charging current modulated signal end D1 meets formula (1)
VAO1=k1·D1 (1)
Wherein, k1It is known quantity, is determined by current signal amplification modulating circuit；D1 is regulation charging electricity
The dutycycle size of stream, K1 is the ratio calculated according to the current signal amplification modulating circuit parameter
Gain parameter, between generally 0.1~10
Work as VAO1=V1When, (2)
Wherein, V1 is the electric current loop reference voltage of circuit when calculating D1 mathematical relationships, is controlled according to charging current comparator
Circuit can obtain charging current
Iout=Io (3)
Wherein, electric current when Io is constant-current charge, the output-current rating of general i.e. charger, therefore, work as output current
During for Io, the control signal terminal voltage of correspondence charging current modulation circuit is V1, when output current is I, correspondence charging current
The control signal terminal voltage of modulation circuit is VAO1=K1*D1, modulation circuit characteristic is for two kinds of inputs, ratios of output signal
Relation is the same, therefore has and can obtain V by above-mentioned formula (1)~(3)AO1/ V1=I/Io, i.e.,
Wherein, I is the electric current for needing setting
Therefore, it can obtain
Meanwhile, as shown in Figure 3, the voltage signal amplification modulating circuit 4 is put including the 3rd amplifier U9-A and the 4th
The positive input pin of big device U9-D, the 3rd amplifier U9-A connects charging voltage and modulates letter by two-stage RC filter circuits
Number end D2, level V RC filter circuits are made up of the tenth resistance R70 and the 3rd electric capacity C44, and the 6th grade of RC filter circuit is by the tenth
One resistance R71 and the 4th electric capacity C45 are constituted, and the one the are set between the charging voltage modulated signal end D2 and+3.3V power supplys
The reverse input pin of nine resistance R90, the 3rd amplifier U9-A connects power supply ground, institute by the 2nd the 12nd resistance R72
The the 3rd the 13rd resistance R73 of setting between the reverse input pin and output pin of the 3rd amplifier U9-A is stated, the described 3rd puts
The output pin of big device U9-A connects the positive input pin of the 4th amplifier U9-D by the 4th the 14th resistance R74,
The positive input pin of the 4th amplifier U9-D also connects power supply ground by the 5th the 15th resistance R69, and the described 4th puts
The the 6th the 16th resistance R80, the 4th amplifier U9-D are set between the reverse input pin and output pin of big device U9-D
Output pin output charge voltage control signal AO2.
Can be obtained according to the voltage signal amplification modulating circuit 4, the voltage V of the charge voltage control signal end AO2AO2
Relation with the dutycycle size of the regulation charging voltage of charging voltage modulated signal end D2 is：
VAO2=k2·D2 (4)
Wherein, k2It is known quantity, is determined by voltage signal amplification modulating circuit, is the ratio according to the circuit parameter calculation
Gain parameter, between generally 0.1~10000, D2 is the dutycycle size for adjusting charging voltage；
Work as VAO2=V2When (5)
Wherein, V2 is the Voltage loop reference voltage of circuit when calculating D2 mathematical relationships；
Charging voltage V can be obtained according to charging voltage and temperature compensated comparator control circuitout
Vout=Vo (6)
Wherein, voltage swing when Vo is constant-voltage charge, the rated output voltage of general i.e. charger；
Again V is obtained according to battery charge characteristicoutWith back-up source rated voltage VbattRelational expression be
Vout=tVbatt (7)
Wherein, t is known quantity, is the ratio of back-up source voltage and charging voltage, in general VbattBack-up source
The charger charging voltage that voltage needs needs to compare VbattGreatly a bit, could persistently charge, between scope general 1~1.5.
Therefore, can be obtained by above-mentioned formula (4)~(7)：
Therefore,
Further, as shown in Figure 4, the temperature signal amplification modulating circuit 5 includes the 5th amplifier U12-D, described
The positive input pin of the 5th amplifier U12-D is by two-stage RC filter circuit jointing temp Compensation Modulation signal end D3 and connects power supply
Ground, third level RC filter circuits include the 17th resistance R15 and the 5th electric capacity C25, and fourth stage RC filter circuits include the 18th
The reverse input pin of resistance R52 and the 6th electric capacity C39, the 5th amplifier U12-D is connected by the 1st the 19th resistance R53
Power supply ground is connect, the two the second ten resistance R54 are set between the reverse input pin and output pin of the 5th amplifier U12-D
With the 3rd the 21st resistance R61, the output pin of the 5th amplifier U12-D is by the 4th the 22nd resistance R116 companies
Jointing temp compensating control signal output terminals A O3.
Can be obtained according to temperature signal amplification modulating circuit 5, the voltage V of the function of temperature compensation control signal end AO3AO3With temperature
The relation of the dutycycle size of the regulation temperature-compensating of degree Compensation Modulation signal end D3 is
VAO3=k3·D3(8) wherein, k3It is known quantity, is determined by temperature signal amplification modulating circuit；D3 is to adjust
Save the dutycycle size of temperature-compensating；
Understand that the compensation rate that battery often raises 1 DEG C per 1V is V according to battery temperature rise explanationa(9)
According to charging voltage and temperature compensated comparator control circuit, back-up source rated voltage parameter VbattWith the above-mentioned phase
Hope dutycycle the size D2, temperature-compensated voltage V of the regulation charging voltage at charging voltage modulated signal endbFor：
Vb=kb·D2+kc·VAO3=kd+kc·VAO3 (10)
Wherein, kb,kcDetermine that Kd is according to charging voltage and temperature by charging voltage and temperature compensated comparator control circuit
The product of the proportional gain constant K that degree compensation control circuit parameter the is calculated and dutycycle D2 of regulation charging voltage, i.e. Kd=K*
D2, Kc are the proportional gain constants calculated according to charging voltage and temperature compensation control circuit parameter；Can be obtained from above formula：
In the charge control method of wind power pitch-controlled system charging device, design is 20 DEG C, temperature when back-up source temperature
Offset voltage is 0v, and the temperature difference Δ T of temperature-compensating is：
Δ T=T-20 (11)
Wherein, T is the back-up source temperature of temperature collection circuit collection；
Can be obtained by above-mentioned formula (8)~(11)：
kd+kc·VAO3=kaΔ T, the formula left side is temperature-compensated voltage Vb, the right be temperature raise Δ T when it is corresponding
Temperature compensation value, Ka is the constant coefficient and back-up source rated voltage parameter V determined by lead-acid battery characteristicbattProduct, its
The following k of computing formulaa=Va·Vbatt,
Therefore,
Further, as shown in Figure 5, the charging current control circuit 6 includes comparator U10-A, the comparator
The positive input pin (3 pin) of U10-A connects current controling signal end A01 by the resistance R145, the resistance R152 that connect, described
The reverse input pin (2 pin) of comparator U10-A connects actual charge current signal end CURRENT_1, institute by resistance R149
State the original that diode D24 and resistance R125 of the output pin (1 pin) of comparator U10-A by connecting are connected to optocoupler H1-A
Side, specifically, being connected to the negative electrode of light emitting diode in the optocoupler H1-A；The output pin of the comparator U10-A and anti-
To also setting up electric capacity C81 and electric capacity C75 connected in parallel, resistance R148 between input pin.
As shown in Figure 5, the charging voltage and temperature compensation control circuit 7 include comparator U3-A, the comparator
The positive input pin (3 pin) of U3-A meets charge voltage control signal end AO2, the ratio by resistance R73, the resistance R5 for connecting
Reverse input pin (2 pin) compared with device U3-A meets actual charging voltage signal end VOLT by resistance R77, R17, R3 for connecting,
The resistance for being arranged in parallel with resistance R17, R3 and being connected is also set up between resistance R77 and actual charging voltage signal end VOLT
R24 and electric capacity C19；The reverse input pin (2 pin) of the comparator U3-A is also connected with temperature compensation signal end TEMP and leads to
Resistance R69, the electric capacity C24 for crossing parallel connection connect digital ground terminal；Two poles that the output pin (1 pin) of the comparator U3-A passes through series connection
Pipe D49, resistance R125 are connected to the primary side of optocoupler H1-A, are specifically connected to the negative electrode of light emitting diode in optocoupler H1-A, institute
State and electric capacity C81 and electric capacity C75, electricity connected in parallel are also set up between the output pin of comparator U3-A and reverse input pin
Resistance R148.
The anode of the light emitting diode in the optocoupler H1-A connects 12V power ends and the one end with electric capacity C32, the electricity
Hold the other end ground connection of C32；Also, it is also associated with resistance R32 between the anode and negative electrode of the light emitting diode.
Further, the wind turbine pitch system charging control circuit, also including with the comparator U10-A and U3-A
Key lock the signal end SEC_STOP, a key lock signal end SEC_STOP and test point TP23 that is connected together of output pin
Connection.
By increasing SEC_STOP signal transactings, play a part of a key lock, when needing cut-out optocoupler H1-A to export,
A key lock signal end is directly put for high level, the primary side of the optocoupler H1-A is blocked, secondary is without output, so as to cut off charging
Device charges and exports, for emergency protection.
The double tube positive exciting circuit includes the control chip coupled with the secondary of the optocoupler H1-A in the control circuit 9
UC2845, the output pin of the control chip UC2845 is coupled with push-pull circuit, and the push-pull circuit is coupled with isolation circuit,
The double power tubes of isolation circuit connection simultaneously control its break-make.
The present invention is designed according to the application characteristic of wind power pitch-controlled system back-up source charging device by soft and hardware, is opened
Sent out it is a kind of can according to back-up source rated voltage adjust charging voltage and with temperature compensation function charging device, it can be right
The back-up source of any load voltage value in design allowed band is charged.
In terms of Software for Design, two parameters are devised, a parameter is used to characterize back-up source expectation charging current, separately
One parameter is used to characterize back-up source rated voltage, and the parameters precision of rated voltage is 1V, sets 0~276V of scope, therefore
The charging device can charge to the back-up source of any voltage in design allowed band.
In terms of hardware design, temperature collection circuit is devised for real-time monitoring back-up source temperature with to charging voltage
Carry out temperature-compensating.
The back-up source temperature parameter of two parameters and Real-time Collection in software forms three groups of modulated signals, one
Group is used to control and characterize expectation charging current, and one group is used to control and characterize expectation charging voltage signal, and one group is used to control
With characterize temperature-compensated voltage signal, wherein, the temperature-compensating modulated signal on the basis of 20 DEG C of operating mode normal temperature, be used to when after
When stand-by power source temperature is higher than 20 DEG C of design temperature, reduce the charging voltage of charging device, and when back-up source temperature is less than
During 20 DEG C of design temperature, the charging voltage of charging device is increased.
In practical application, charging device and the connecting communication of host computer 1 only need to be by host computers by relevant parameter (standby electricity
Source rated voltage parameter and back-up source expect charging current parameter etc.) it is set to analog value and preserves, the microprocessor
Device respectively obtains current back-up source and expects the modulated signal of charging current and expectation charging voltage according to parameter, and is adopted when factually
The back-up source temperature and back-up source rated voltage parameter of collection obtain the modulated signal of temperature-compensated voltage, when environment temperature is high
When certain design temperature, the thermal compensation signal is used to increase the charging voltage of charging device, during less than certain design temperature, compensation letter
Number it is used to reduce the charging voltage of charging device, so that fill putting output optimum charging voltage.
The charge control method of the wind power pitch-controlled system back-up source charging device, it includes following process：
S1, the back-up source that the microprocessor 2 receives the input of the host computer 1 expects charging current parameter, calculates defeated
Go out to expect charging current modulated signal, after being processed through the current signal amplification modulating circuit 3, controlled by the charging current
Circuit 6 is exported to double tube positive exciting circuit 8.
S2, the microprocessor 2 receives the back-up source rated voltage parameter of the input of host computer 1, calculates output expectation and fills
Piezoelectric voltage modulated signal, after being processed through the voltage signal amplification modulating circuit 4, then by the charging voltage and temperature-compensating
Control circuit 7 is exported to double tube positive exciting circuit 8.
S3, the back-up source rated voltage parameter and temperature collection circuit that the microprocessor 2 receives the input of host computer 1 is adopted
The back-up source temperature of collection, calculates output temperature Compensation Modulation signal, after being processed through the temperature signal amplification modulating circuit 5,
Exported to double tube positive exciting circuit 8 by the charging voltage and temperature compensation control circuit 7 again.
S4, expectation charging current modulated signal, expectation charging voltage modulation after the double tube positive exciting circuit 8 reception processing
Signal and temperature-compensating modulated signal export charging voltage after being processed.
All technical sides that the present invention still has numerous embodiments, all use equivalents or an equivalent transformation and formed
Case, is within the scope of the present invention.
Claims (10)
1. wind power pitch-controlled system back-up source charging device, with host computer (1) and the temperature acquisition of collection back-up source temperature
Circuit connection communication, it is characterised in that：Including microprocessor (2), the microprocessor (2) produces expects charging current control letter
Number, expect charge voltage control signal and preferred temperature compensating control signal and be conveyed to coupled current signal respectively to put
Big modulation circuit (3), voltage signal amplification modulating circuit (4), temperature signal amplification modulating circuit (5), the current signal are put
Big modulation circuit (3) is coupled with charging current control circuit (6), and the voltage signal amplification modulating circuit (4), temperature signal are put
Big modulation circuit (5) is coupled with charging voltage and temperature compensation control circuit (7), the charging current control circuit (6) and
Charging voltage and temperature compensation control circuit (7) constitute the control circuit that control double tube positive exciting circuit (8) exports charging voltage
(9)。
2. wind power pitch-controlled system back-up source charging device according to claim 1, it is characterised in that：The electric current letter
Number amplification modulating circuit (3) includes the first amplifier (U9-B) and the second amplifier (U9-C), first amplifier (U9-B)
Positive input pin by two-stage RC filter circuits connect charging current modulated signal end (D1), first order RC filter circuit bags
Second resistance (R65) and the first electric capacity (C42) are included, second level RC filter circuits include 3rd resistor (R66) and the second electric capacity
(C43), the charging current modulated signal end (D1) connects+3.3V power ends, first amplifier by first resistor (R89)
(U9-B) reverse input pin connects power supply ground by the 4th resistance (R67), and the output of first amplifier (U9-B) is drawn
5th resistance (R68) is set between pin and reverse input pin, and the output pin of first amplifier (U9-B) passes through the 6th
Resistance (R64) connects the positive input pin of second amplifier (U9-C), and the positive input of the second amplifier (U9-C) is drawn
Pin also connects power supply ground, the reverse input pin and output pin of second amplifier (U9-C) by the 7th resistance (R63)
Between also set up the 8th resistance (R79), the output pin output charge-current control signal of second amplifier (U9-C)
(AO1)。
3. wind power pitch-controlled system back-up source charging device according to claim 2, it is characterised in that：The electricity that charges
The dutycycle size of the regulation charging current of stream modulated signal end (D1) meets equation below：
Wherein, D1 be adjust charging current dutycycle size, I refer to need setting electric current, electric current when Io is constant-current charge,
The output-current rating of general i.e. charger, V1 is the electric current loop reference voltage of circuit when calculating D1 mathematical relationships, and K1 is basis
The proportional gain parameter that the parameter of the current signal amplification modulating circuit is calculated, value is between 0.1~10.
4. wind power pitch-controlled system back-up source charging device according to claim 1, it is characterised in that：The voltage letter
Number amplification modulating circuit (4) includes the 3rd amplifier (U9-A) and the 4th amplifier (U9-D), the 3rd amplifier (U9-A)
Positive input pin by two-stage RC filter circuits connect charging voltage modulated signal end (D2), level V RC filter circuits by
Tenth resistance (R70) is constituted with the 3rd electric capacity (C44), and the 6th grade of RC filter circuit is by the 11st resistance (R71) and the 4th electric capacity
(C45) constitute, the 9th resistance (R90), the described 3rd are set between the charging voltage modulated signal end (D2) and+3.3V power supplys
The reverse input pin of amplifier (U9-A) connects power supply ground, the 3rd amplifier (U9-A) by the 12nd resistance (R72)
Reverse input pin and output pin between the 13rd resistance (R73) is set, the output of the 3rd amplifier (U9-A) draws
Pin connects the positive input pin of the 4th amplifier (U9-D), the 4th amplifier by the 14th resistance (R74)
(U9-D) positive input pin also by the 15th resistance (R69) connect power supply ground, the 4th amplifier (U9-D) it is anti-
To the 16th resistance (R80) is set between input pin and output pin, the output pin of the 4th amplifier (U9-D) is defeated
Go out charge voltage control signal (AO2).
5. wind power pitch-controlled system back-up source charging device according to claim 4, it is characterised in that：The electricity that charges
The dutycycle size of the regulation charging voltage of pressure modulated signal end (D2) meets equation below：
Wherein, D2 is the dutycycle size for adjusting charging voltage, and t is the ratio of back-up source voltage and charging voltage, VbattAfter finger
Stand-by power source rated voltage, voltage swing when Vo is constant-voltage charge, the rated output voltage of general i.e. charger, V2 is to calculate D2
The Voltage loop reference voltage of circuit during mathematical relationship, K2 is the ratio calculated according to the parameter of the voltage signal amplification modulating circuit
Example gain parameter, value is between 0.1~10000.
6. wind power pitch-controlled system back-up source charging device according to claim 1, it is characterised in that：The temperature letter
Number amplification modulating circuit (5) includes the 5th amplifier (U12-D), and the positive input pin of the 5th amplifier (U12-D) leads to
Cross two-stage RC filter circuits jointing temp Compensation Modulation signal end (D3) and connect power supply ground, third level RC filter circuits include the 17th
Resistance (R15) and the 5th electric capacity (C25), fourth stage RC filter circuits include the 18th resistance (R52) and the 6th electric capacity (C39),
The reverse input pin of the 5th amplifier (U12-D) connects power supply ground by the 19th resistance (R53), and the described 5th amplifies
20th resistance (R54) and the 21st resistance (R61) are set between the reverse input pin and output pin of device (U12-D),
The output pin of the 5th amplifier (U12-D) connects function of temperature compensation control signal output by the 22nd resistance (R116)
End (AO3).
7. wind power pitch-controlled system back-up source charging device according to claim 6, it is characterised in that：The temperature is mended
The dutycycle size for repaying the regulation temperature-compensating at modulated signal end (D3) meets equation below：
Wherein, D3 is the dutycycle size for adjusting temperature-compensating, and Kd is according to charging voltage and temperature compensation control circuit parameter
The product of the proportional gain constant K of the calculating and dutycycle D2 of regulation charging voltage, Ka be by lead-acid battery characteristic determine it is normal
The product of coefficient and back-up source rated voltage parameter Vbatt, Δ T refers to the temperature difference of temperature-compensating, and Kc is according to charging voltage
And the proportional gain constant that temperature compensation control circuit parameter is calculated.
8. the charge control method of wind power pitch-controlled system back-up source charging device, it is characterised in that：Comprise the following steps：
S1, the back-up source that microprocessor receives host computer input expects charging current parameter, calculates output and expects charging current
Modulated signal, after being processed through current signal amplification modulating circuit, is exported to double tube positive exciting circuit by charging current control circuit；
S2, microprocessor receives the back-up source rated voltage parameter of host computer input, calculates output and expects charging voltage modulation
Signal, after being processed through voltage signal amplification modulating circuit, then is exported to two-tube by charging voltage and temperature compensation control circuit
Forward converter；
S3, microprocessor receives the back-up source rated voltage parameter of host computer input and the standby electricity of temperature collection circuit collection
Source temperature, calculates output temperature Compensation Modulation signal, after being processed through temperature signal amplification modulating circuit, then by charging voltage and
Temperature compensation control circuit is exported to double tube positive exciting circuit；
S4, expectation charging current modulated signal, expectation charging voltage modulated signal after the double tube positive exciting circuit reception processing
And temperature-compensating modulated signal processed after export charging voltage.
9. the charge control method of wind power pitch-controlled system back-up source charging device according to claim 8, its feature
It is：The scope of the back-up source rated voltage parameter is between 0~276V, and parameters precision is 1V.
10. the charge control method of wind power pitch-controlled system back-up source charging device according to claim 8, its feature
It is：The temperature-compensating modulated signal is used to, when back-up source temperature is higher than 20 DEG C of design temperature, reduce charging device
Charging voltage, and when back-up source temperature is less than 20 DEG C of design temperature, increase the charging voltage of charging device.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108832685A (en) * | 2018-06-28 | 2018-11-16 | 苏州格远电气有限公司 | Wind power pitch-controlled system charging unit and its detection method |
| CN114179643A (en) * | 2021-10-29 | 2022-03-15 | 深圳市科华恒盛科技有限公司 | Bidirectional charging pile |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201536275U (en) * | 2009-11-18 | 2010-07-28 | 陆乐 | Multifunctional switch power supply |
| CN203574354U (en) * | 2013-12-06 | 2014-04-30 | 国家电网公司 | Protective device applied to switching power supply |
| CN204349903U (en) * | 2015-01-26 | 2015-05-20 | 清源科技（厦门）股份有限公司 | A kind of photovoltaic combining inverter accessory power supply |
| CN106130050A (en) * | 2016-06-28 | 2016-11-16 | 深圳智慧能源技术开发有限公司 | The energy storage of wind-power electricity generation controls equipment, wind power system and control method thereof |
| CN106130352A (en) * | 2016-06-30 | 2016-11-16 | 盐城工学院 | The micro-inverter of intermediate current type double tube positive exciting and numerical control device thereof |
| CN206697992U (en) * | 2016-12-21 | 2017-12-01 | 苏州格远电气有限公司 | Wind power pitch-controlled system back-up source charging device |
-
2016
- 2016-12-21 CN CN201611190296.3A patent/CN106787065A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201536275U (en) * | 2009-11-18 | 2010-07-28 | 陆乐 | Multifunctional switch power supply |
| CN203574354U (en) * | 2013-12-06 | 2014-04-30 | 国家电网公司 | Protective device applied to switching power supply |
| CN204349903U (en) * | 2015-01-26 | 2015-05-20 | 清源科技（厦门）股份有限公司 | A kind of photovoltaic combining inverter accessory power supply |
| CN106130050A (en) * | 2016-06-28 | 2016-11-16 | 深圳智慧能源技术开发有限公司 | The energy storage of wind-power electricity generation controls equipment, wind power system and control method thereof |
| CN106130352A (en) * | 2016-06-30 | 2016-11-16 | 盐城工学院 | The micro-inverter of intermediate current type double tube positive exciting and numerical control device thereof |
| CN206697992U (en) * | 2016-12-21 | 2017-12-01 | 苏州格远电气有限公司 | Wind power pitch-controlled system back-up source charging device |
Non-Patent Citations (1)
| Title |
|---|
| 黄雅君: "风力发电变桨后备电源智能管理***" * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108832685A (en) * | 2018-06-28 | 2018-11-16 | 苏州格远电气有限公司 | Wind power pitch-controlled system charging unit and its detection method |
| CN114179643A (en) * | 2021-10-29 | 2022-03-15 | 深圳市科华恒盛科技有限公司 | Bidirectional charging pile |
| CN114179643B (en) * | 2021-10-29 | 2024-02-09 | 深圳市科华恒盛科技有限公司 | Bidirectional charging pile |
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