CN103779947B - There is the wind-driven generator pitching super capacitor charging system of on-line monitoring function - Google Patents
There is the wind-driven generator pitching super capacitor charging system of on-line monitoring function Download PDFInfo
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Abstract
The invention discloses a kind of wind-driven generator pitching super capacitor charging system with on-line monitoring function.This system comprises: charging module, is connected with super capacitor, for being charged to super capacitor through power conversion by alternating current; Temperature detecting module, is connected with super capacitor, for detecting the temperature of super capacitor; Internal resistance detection module, is connected with charging module, for detecting the internal resistance after super capacitor charging complete; Capacitance detection module, is connected with charging module, for detecting the capacitance in super capacitor charging process; Processing module, is connected with capacitance detection module respectively with charging module, temperature detecting module, internal resistance detection module; And alarm module, be connected with processing module, for producing alarm signal when super capacitor is abnormal.By the present invention, while charging, the abnormality of super capacitor can be monitored in time, thus can capacitive faults be avoided and cause wind-driven generator normally can not receive slurry.
Description
Technical field
The present invention relates to technical field of wind power generator, specifically, particularly there is the wind-driven generator pitching super capacitor charging system of on-line monitoring function.
Background technology
Along with non-renewable energy resources worldwide face exhausted awkward situation, for meeting needed for suitability for industrialized production and human lives, people day by day promote the concern of solar energy, wind-force, these renewable resources of waterpower and utilization.Wherein, wind power generation is a kind of energy generation technologies having developed relative maturity, especially on plateau, there is universal and application widely in the area such as coastal.
The stand-by power supply of current pitch system of wind driven generator adopts lead-acid batteries mostly, due to become slurry system when receiving slurry lead-acid battery with the current discharge of 3C-5C, lead-acid battery just there will be damage in various degree in use for some time, if there is no Timeliness coverage behindhand battery, the accident normally can not receiving slurry can be caused, cause whole typhoon power generator damage or scrap, thus cause huge economic loss.
For addressing this problem, a lot of producer starts to adopt super capacitor to substitute lead-acid battery, super capacitor have the life-span long, can the advantage such as heavy-current discharge.Particularly, use super capacitor series, parallel composition super capacitor group, reach the requirement of pitch-controlled system supply voltage and electric discharge requirement, when primary change oar power supply can not normally be put away the oars, adopt stand-by power supply to put away the oars.
But this mode does not still tackle the problem at its root, when super capacitor break down there is no Timeliness coverage time, still can cause the accident normally can not receiving slurry, cause whole typhoon power generator damage or scrap.
For the above-mentioned problems in the prior art, at present effective solution is not yet proposed.
Summary of the invention
Main purpose of the present invention is to provide a kind of wind-driven generator pitching super capacitor charging system with on-line monitoring function, causes wind-driven generator normally can not receive the problem of slurry to solve in prior art owing to not having Timeliness coverage super capacitor fault.
According to one aspect of the present invention, provide a kind of wind-driven generator pitching super capacitor charging system with on-line monitoring function, this system comprises: charging module, is connected with super capacitor, for being charged to super capacitor through power conversion conversion by alternating current; Temperature detecting module, is connected with super capacitor, for detecting the temperature of super capacitor; Internal resistance detection module, is connected with charging module, for detecting the internal resistance after super capacitor charging complete; Capacitance detection module, is connected with charging module, for detecting the capacitance in super capacitor charging process; Processing module, is connected with capacitance detection module respectively with charging module, temperature detecting module, internal resistance detection module; And alarm module, be connected with processing module, for producing alarm signal when super capacitor is abnormal.
Further, charging module comprises: ac input circuit, for incoming transport electricity; Power conversion circuit, is connected with ac input circuit, for alternating current being converted to by power conversion the input voltage of super capacitor; Charging output circuit, is connected with power conversion circuit, for exporting the output voltage of super capacitor; And testing circuit, be connected respectively with charging output circuit with ac input circuit, power conversion circuit, for controlling power conversion circuit in real time according to the state of input voltage and output voltage, wherein, when detecting that input voltage uprises or output voltage uprises, controlling the duty ratio that power conversion circuit reduces PWM, when input voltage step-down or output voltage step-down being detected, controlling the duty ratio that power conversion circuit increases PWM.
Further, processing module, also for when testing circuit detects input voltage and output voltage synchronously reduces, controls alarm module and produces the alarm signal that super capacitor exports broken string.
Further, capacitance detection module comprises: voltage detecting circuit, for detecting the input voltage of super capacitor; Current detection circuit, for detecting the input current of super capacitor; Processing module is used for the capacitance calculating super capacitor according to the variable quantity of input current in the unit interval and the variable quantity of input voltage.
Further, internal resistance detection module comprises: simple alternating current constant-current source circuit, for generation of simple alternating current constant current drive signal; Pumping signal coupling circuit, is connected with super capacitor with simple alternating current constant-current source circuit, for simple alternating current constant current drive signal is accessed super capacitor two ends; Received signal strength coupling circuit, is connected with super capacitor, for exporting the AC voltage drop that simple alternating current constant current drive signal produces on super capacitor; And Received signal strength match circuit and treatment circuit, be connected with Received signal strength coupling circuit, for obtaining the direct current signal proportional with the internal resistance of super capacitor according to AC voltage drop, wherein, processing module is used for the internal resistance calculating super capacitor according to direct current signal.
Further, simple alternating current constant-current source circuit comprises: sine wave signal generator, for generation of sine wave signal; Power amplification circuit, for exporting simple alternating current constant current drive signal; Current constant control and drive circuit, first end is connected with sine wave signal generator, second end is connected with power amplification circuit, for the feedback signal obtained from simple alternating current constant current drive signal compared with sine wave signal, to regulate the constant current hold of simple alternating current constant current drive signal; And power signal feedback circuit, first end is connected with power amplification circuit, and the second end is connected with drive circuit with current constant control, for obtaining feedback signal to current constant control and drive circuit from simple alternating current constant current drive signal.
Further, temperature detecting module comprises: temp probe, for detecting the temperature of super capacitor; Temperature voltage change-over circuit, is connected with temp probe, and for the d. c. voltage signal by temperature transition one-tenth and temperature proportional, wherein, processing module is used for the temperature value calculating super capacitor according to d. c. voltage signal.
Further, when the temperature of processing module also for detecting in temperature detecting module exceeds the first preset range value, control the alarm signal that alarm module produces temp probe broken string.
Further, this system also comprises: force ACM alarm control module, be connected with charging module with alarm module, for detecting output voltage, and when output voltage is lower than predeterminated voltage, controlling alarm module and producing alarm signal.
Further, this system also comprises: communication module, is connected with processing module, and the real time status information for super capacitor processing module obtained is uploaded to long distance control system.
Pass through the present invention, provide a kind of wind-driven generator pitching super capacitor charging system with on-line monitoring function, charging module in this system is connected with super capacitor, alternating current is charged to super capacitor through power conversion conversion, in charging, pass through temperature detecting module, internal resistance detection module, capacitance detection module detects the temperature of super capacitor respectively, internal resistance and capacitance, and these detected values feeding processing module is carried out analyzing and processing, finally control alarm module according to analysis processing result and produce alarm signal when super capacitor is abnormal, thus can real-time online effectively be monitored by super capacitor, Timeliness coverage electric capacity exception is also reported to the police, solving in prior art causes wind-driven generator normally can not receive the problem of slurry owing to not having Timeliness coverage super capacitor fault.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to technological means of the present invention can be better understood, and can be implemented according to the content of specification, and can become apparent, below especially exemplified by the specific embodiment of the present invention to allow above and other objects of the present invention, feature and advantage.
Accompanying drawing explanation
By reading hereafter detailed description of the preferred embodiment, various other advantage and benefit will become cheer and bright for those of ordinary skill in the art.Accompanying drawing only for illustrating the object of preferred implementation, and does not think limitation of the present invention.And in whole accompanying drawing, represent identical parts by identical reference symbol.In the accompanying drawings:
Fig. 1 is the block diagram with the wind-driven generator pitching super capacitor charging system of on-line monitoring function according to the embodiment of the present invention;
Fig. 2 is the principle schematic of the fault detection module according to the embodiment of the present invention;
Fig. 3 is the principle schematic of the charging module according to the embodiment of the present invention;
Fig. 4 is the principle schematic of the capacitance detection module according to the embodiment of the present invention;
Fig. 5 is the principle schematic of the internal resistance detection module according to the embodiment of the present invention;
Fig. 6 is the principle schematic according to the simple alternating current constant-current source circuit in the internal resistance detection module of the embodiment of the present invention;
Fig. 7 is the principle schematic of current constant control and drive circuit in the simple alternating current constant-current source circuit according to the embodiment of the present invention;
Fig. 8 is the principle schematic of the temperature detecting module according to the embodiment of the present invention; And
Fig. 9 is the principle schematic of the pressure ACM alarm control module according to the embodiment of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.It is pointed out that when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
Fig. 1 is the block diagram with the wind-driven generator pitching super capacitor charging system of on-line monitoring function according to a first embodiment of the present invention, as shown in Figure 1, this system comprises charging module 10, temperature detecting module 20, internal resistance detection module 30, capacitance detection module 40, processing module 50 and alarm module 60.
Wherein, charging module 10 is connected with tested super capacitor, by external AC through power conversion, be converted to required voltage when super capacitor charges, charge to super capacitor, in super capacitor discharge process or when the electricity of super capacitor is lower than default electricity, super capacitor is charged.Temperature detecting module 20 is connected with tested super capacitor, detects the Current Temperatures of super capacitor in real time.Internal resistance detection module 30 is connected with charging module 10, after super capacitor completes once charging, detects the charge parameter of super capacitor, thus the internal resistance after super capacitor charging complete detected via charging module 10.Capacitance detection module 40 is connected with charging module 10, in super capacitor charging process, detects the charge parameter of super capacitor via charging module 10, thus the capacitance in super capacitor charging process detected.
Processing module 50 can be single chip processing module, is connected respectively with capacitance detection module 40 with charging module 10, temperature detecting module 20, internal resistance detection module 30, the modules that centralized control is above-mentioned.The parameter of the super capacitor detected is inputed to processing module 50 by above-mentioned each module respectively; processing module 50 calculates accordingly according to the parameter received and processes; protection range corresponding to parameters or limiting value are such as set; when the parameter value received exceeds protection range or limiting value; determine that super capacitor is in abnormal operating state; and control in time to be attached thereto the alarm module 60 connect, produce alarm signal to make alarm module 60 when super capacitor is abnormal.This alarm module 60 can indicate current operating state, can investigate fault fast, and be sent to remote control center by dry contact by alarm module 60.
The wind-driven generator pitching super capacitor charging system with on-line monitoring function adopting this embodiment to provide, in the process of super capacitor work, pass through temperature detecting module, internal resistance detection module, capacitance detection module detects the temperature of super capacitor respectively, internal resistance and capacitance, and these detected values feeding processing module is carried out analyzing and processing, finally control alarm module according to analysis processing result and produce alarm signal when super capacitor is abnormal, thus can real-time online effectively be monitored by super capacitor, Timeliness coverage electric capacity exception is also reported to the police, and then Timeliness coverage super capacitor fault, carry out changing or overhauling, ensure that the normal receipts slurry of wind-driven generator.
Preferably, as shown in Figure 1, this system also comprises pressure ACM alarm control module 70.This pressure ACM alarm control module 70 is realized by hardware logic electric circuit, be not subject to processing the impact that module 50 controls, be connected respectively with alarm module 60 with charging module 10, for detecting the output voltage of super capacitor, also operating voltage when namely super capacitor discharges, when this output voltage is lower than predeterminated voltage, directly controls alarm module 60 and produce alarm signal.
Adopt the preferred embodiment, force the detailed circuit schematic of ACM alarm control module 70 as shown in Figure 9, detect current output voltage, when output voltage sampling exports lower than comparator open circuit during alarm benchmark 1, + 5V by resistance to capacitor charging, when capacitance voltage forces alarm module 60 alarm higher than sending low level signal during alarm benchmark 2 to alarm module 60, this alarm is not subject to processing the impact that module 50 controls, even if processing module 50 breaks down, the output of super capacitor do not meet put away the oars require time, still can and alarm, further ensure the reliability that safety is put away the oars.
Preferably, as shown in Figure 1, this system also comprises communication module 80.This communication module 80 is connected with processing module 50; long distance control system is uploaded to for the real time status information of super capacitor that processing module 50 obtained and failure logging; simultaneously; user also can arrange each protection value and set point in long distance control system; as capacitance alarming value, internal resistance alarming value, temperature alarming value, output voltage, output current etc.; processing module 50 is sent to by communication module 80; process for processing module 50, and then each value is arranged or changed.In addition, communication module 80 can preserve the fault data in a period of time, patrols for user in good time, analysis of failure, and can by the data genaration data and curves in a period of time, to predict the parameter variation tendency of super capacitor, such as, the variation tendency of super capacitor internal resistance.
Adopt the preferred embodiment; by the setting of communication module; make super capacitor on-line monitoring system in real time the information monitored can be passed to long distance control system; also can receive protection value and the set point of long distance control system setting simultaneously, thus super capacitor on-line monitoring system can must be monitored the super capacitor in different pitch-controlled system flexibly.
When tested super capacitor is integrated with the unit of feedback faults itself semiotic function, electric capacity just can export fault-signal in real time, and based on this, preferably, as shown in Figure 1, this system also comprises fault detection module 90.Fault detection module 90 receives the fault-signal from tested super capacitor, processing module 50 is given after fault-signal is processed, fault-signal has super capacitor overvoltage, super capacitor excess temperature, super capacitor reversal connection, further, as shown in Figure 2, the fault-signal such as excess temperature, overvoltage, error-polarity connection of super capacitor is given processing module by respective fault-signal treatment circuit and is processed accordingly in single fault-signal signal.
Be further detailed for each module in embodiment illustrated in fig. 1 below, it should be noted that, be the preferred implementation adopted in the present invention to the explanation of each module below, do not form inappropriate limitation of the present invention.
Fig. 3 is the principle schematic of the charging module according to the embodiment of the present invention, and as shown in Figure 3, charging module comprises ac input circuit 11, power conversion circuit 12, charging output circuit 13 and testing circuit 14.
Wherein, ac input circuit 11 is for incoming transport electricity, power conversion circuit 12 is connected with ac input circuit 11, by power conversion, alternating current is converted to the input voltage of super capacitor charging needs, charging output circuit 13 is connected with power conversion circuit 12, for exporting the output voltage of super capacitor when super capacitor discharges, testing circuit 14 and ac input circuit 11, power conversion circuit 12 is connected respectively with charging output circuit 13, whole charging module is made to form a closed control circuit, power conversion circuit 12 is controlled in real time according to the state of input voltage and output voltage by testing circuit 14, particularly, when detecting that input voltage uprises or output voltage uprises, the duty ratio that control power conversion circuit 12 reduces PWM reaches the stable of output, when input voltage step-down or output voltage step-down being detected, the duty ratio that control power conversion circuit 12 increases PWM reaches the stable of output.
Above-mentioned charging module is used in embodiment illustrated in fig. 1 having in the wind-driven generator pitching super capacitor charging system of on-line monitoring function, automatically the output of super capacitor can be adjusted, in real time, thus ensure that the stability of output, further ensure the reliability that safety is put away the oars.
Preferably, PC host computer connecting communication module can be passed through, thus send out by PC host computer output voltage and the output current that communication command arranges current charging output circuit, thus the voltage and current that adjustment charging exports is to be applicable to the different application becoming oar occasion.
Adopt the preferred embodiment, can, according to the output becoming oar requirement controlling and adjustment super capacitor, make the application scenario of super capacitor unrestricted, can flexible adaptation electric discharge requirement.
Preferably, the input voltage detected and output voltage can be transferred to processing module by testing circuit 14, in processing module one end, when testing circuit 14 detects that input voltage and output voltage synchronously reduce, be defined as the output broken string of super capacitor, and then control the alarm signal that alarm module produces super capacitor output broken string.
Adopt the preferred embodiment, can when super capacitor breaks timely outputting alarm signal, avoid output voltage reduce and cause wind-driven generator normally not put away the oars.
Fig. 4 is the principle schematic of the capacitance detection module according to the embodiment of the present invention, and as shown in Figure 4, capacitance detection module comprises voltage detecting circuit 41 and current detection circuit 42.
Wherein, voltage detecting circuit 41 is connected with processing module 50 respectively with charging module 10, for detecting the input voltage of super capacitor, also namely detecting voltage required when super capacitor charges, and input voltage is transferred to processing module 50; Current detection circuit 42 is connected with processing module 50 respectively with charging module 10, for detecting the input current of super capacitor, and the electric current that also namely input voltage is corresponding, and input current is transferred to processing module 50.Processing module 50, when receiving input voltage and input current, calculates the capacitance of super capacitor according to the variable quantity of input current in the unit interval and the variable quantity of input voltage.
Or circuit or the module of capacitance calculation also can be set in capacitance detection module, directly the capacitance of the super capacitor calculated be sent to processing module 50.
Fig. 5 is the principle schematic of the internal resistance detection module according to the embodiment of the present invention, as shown in Figure 5, internal resistance detection module comprises simple alternating current constant-current source circuit 31, pumping signal coupling circuit 32, Received signal strength coupling circuit 33 and Received signal strength match circuit and treatment circuit 34.
Wherein, simple alternating current constant-current source circuit 31 is for generation of simple alternating current constant current drive signal; Pumping signal coupling circuit 32 is connected with tested super capacitor with simple alternating current constant-current source circuit 31, so that simple alternating current constant current drive signal is accessed super capacitor two ends; After super capacitor two ends access simple alternating current constant current drive signal, can produce AC voltage drop, Received signal strength coupling circuit 33 is connected with super capacitor, and the AC voltage drop produced on super capacitor by simple alternating current constant current drive signal exports; Received signal strength match circuit is connected with Received signal strength coupling circuit 33 with treatment circuit 34, for obtaining the direct current signal proportional with the internal resistance of super capacitor according to AC voltage drop, and this direct current signal is inputed to processing module 50, calculate the internal resistance of super capacitor to make processing module 50 according to direct current signal.
Further, simple alternating current constant-current source circuit as shown in Figure 6, be the current negative feedback circuit of a closed-loop control, particularly, simple alternating current constant-current source circuit comprises sine wave signal generator 311, power amplification circuit 312, current constant control and drive circuit 313 and power signal feedback circuit 314.
Wherein, sine wave signal generator 311 produces a frequency stabilization, symmetry, about 1KHz sine wave signal that the distortion factor is low, by power amplification circuit 312, sine wave signal is carried out power amplification, is converted into simple alternating current constant current drive signal and exports; In the process exported, exchange constant current drive signal by current constant control with drive circuit 313 offset of sinusoidal to regulate, regulate process be the feedback signal obtained from simple alternating current constant current drive signal compared with sine wave signal, thus regulate the constant current hold of simple alternating current constant current drive signal, specifically can adopt circuit structure as shown in Figure 7, the two paths of signals of comparator is respectively from sine wave signal generator and power signal sampling, and the conditioning signal relatively exports power amplification circuit to; Power signal feedback circuit 314 one end is connected with power amplification circuit 312, the other end is connected with drive circuit 313 with current constant control, the simple alternating current constant current drive signal acquisition feedback signal exported by power amplification circuit 312, closed loop feedback regulates to current constant control and drive circuit 313.
Above-mentioned internal resistance detection module is used in embodiment illustrated in fig. 1 having in the wind-driven generator pitching super capacitor charging system of on-line monitoring function, after simple alternating current constant-current source circuit produces simple alternating current constant current drive signal, by pumping signal coupling circuit, simple alternating current constant current drive signal is accessed tested super capacitor two ends, avoid the problem that wind-driven generator pitching super-capacitor voltage height produces, the AC voltage drop signal that simple alternating current constant current drive signal produces at super capacitor two ends, by Received signal strength coupling circuit, Received signal strength coupling and signal processing circuit are sent in AC voltage drop taking-up again, in Received signal strength coupling and treatment circuit, carry out impedance matching, amplify, filtering, be multiplied with pumping signal, relevant treatment is effectively to suppress the impact of interference and noise, again through the direct current signal that low-pass filtering obtains and super capacitor internal resistance is proportional, send into processing module and calculate final super capacitor internal resistance.
Fig. 8 is the principle schematic of the temperature detecting module according to the embodiment of the present invention, and as shown in Figure 8, temperature detecting module comprises temp probe 21 and temperature voltage change-over circuit 22.
Wherein, temp probe 21 is for detecting the temperature of super capacitor, temperature voltage change-over circuit 22 is connected with temp probe 21, become and the d. c. voltage signal of temperature proportional with the temperature transition that temp probe is detected, and d. c. voltage signal is sent to processing module 50, calculate the temperature value of super capacitor to make processing module 50 according to d. c. voltage signal.In actual applications; each rank protection can be carried out according to the temperature level of super capacitor; and protection point can be arranged by communication module, and when the temperature value that processing module 50 calculates is in different protection points, processing module 50 controls alarm module and reports to the police accordingly.
Preferably, when the temperature of processing module also for detecting in temperature detecting module exceeds the first preset range value, control the alarm signal that alarm module produces temp probe broken string, wherein, normal range (NR) when first preset range at this place is temp probe connection, exceed this scope determination temp probe broken string, such as, the first preset range value is-20 DEG C to 70 DEG C.
It should be noted that, in above embodiment or preferred embodiment, tested super capacitor can be a flabellum of paddle changing wind power generator super capacitor group used, also can be the total super capacitor after multiple flabellum serial or parallel connections of paddle changing wind power generator.
From the description of above each embodiment, can find out, the wind-driven generator pitching super capacitor charging system with on-line monitoring function of the present invention is for using the wind powered generator system of super capacitor as wind-driven generator pitching stand-by power supply, Main Function realizes becoming the on-line monitoring of oar super capacitor, charging and control, and further can by super capacitor relevant parameter information transmission to long distance control system, accomplish to give warning in advance, thus ensure that the safety of blower fan is put away the oars, improve the reliability of pitch system of wind driven generator further.And by internal resistance detection, capacitance detection, charging and charging control are integrated; not only reduce space occupancy but also eliminate loaded down with trivial details external cabling; while charge maintenance; just carry out internal resistance detection and capacitance detection, can be applied to flexibly in different pitch-controlled systems by each protection value of communication setting and set point.
The above; be only the present invention's preferably embodiment, but protection scope of the present invention is not limited thereto, any people being familiar with this technology is in the technical scope disclosed by the present invention; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (9)
1. there is a wind-driven generator pitching super capacitor charging system for on-line monitoring function, it is characterized in that, comprising:
Charging module, is connected with super capacitor, for being charged to described super capacitor through power conversion conversion by alternating current;
Temperature detecting module, is connected with described super capacitor, for detecting the temperature of described super capacitor;
Internal resistance detection module, is connected with described charging module, for detecting the internal resistance after described super capacitor charging complete;
Capacitance detection module, is connected with described charging module, for detecting the capacitance in described super capacitor charging process;
Processing module, is connected with described capacitance detection module respectively with described charging module, described temperature detecting module, described internal resistance detection module; And
Alarm module, is connected with described processing module, for producing alarm signal when described super capacitor is abnormal,
Wherein, described charging module comprises:
Ac input circuit, for incoming transport electricity;
Power conversion circuit, is connected with described ac input circuit, for described alternating current being converted to by power conversion the input voltage of described super capacitor;
Charging output circuit, is connected with described power conversion circuit, for exporting the output voltage of described super capacitor; And
Testing circuit, be connected respectively with described charging output circuit with described ac input circuit, described power conversion circuit, for controlling described power conversion circuit in real time according to the state of described input voltage and described output voltage, wherein, when detecting that described input voltage uprises or described output voltage uprises, control the duty ratio that described power conversion circuit reduces PWM, when described input voltage step-down or described output voltage step-down being detected, control the duty ratio that described power conversion circuit increases PWM.
2. the wind-driven generator pitching super capacitor charging system with on-line monitoring function according to claim 1, it is characterized in that, described processing module, also for when described testing circuit detects described input voltage and described output voltage synchronously reduces, controls described alarm module and produces the alarm signal that described super capacitor exports broken string.
3. the wind-driven generator pitching super capacitor charging system with on-line monitoring function according to claim 1, is characterized in that,
Described capacitance detection module comprises: voltage detecting circuit, for detecting the input voltage of described super capacitor; Current detection circuit, for detecting the input current of described super capacitor;
Described processing module is used for the capacitance calculating described super capacitor according to the variable quantity of input current described in the unit interval and the variable quantity of described input voltage.
4. the wind-driven generator pitching super capacitor charging system with on-line monitoring function according to claim 1, it is characterized in that, described internal resistance detection module comprises:
Simple alternating current constant-current source circuit, for generation of simple alternating current constant current drive signal;
Pumping signal coupling circuit, is connected with described super capacitor with described simple alternating current constant-current source circuit, for described simple alternating current constant current drive signal is accessed described super capacitor two ends;
Received signal strength coupling circuit, is connected with described super capacitor, for exporting the AC voltage drop that described simple alternating current constant current drive signal produces on described super capacitor; And
Received signal strength match circuit and treatment circuit, be connected with described Received signal strength coupling circuit, for obtaining the direct current signal proportional with the internal resistance of described super capacitor according to described AC voltage drop,
Wherein, described processing module is used for the internal resistance calculating described super capacitor according to described direct current signal.
5. the wind-driven generator pitching super capacitor charging system with on-line monitoring function according to claim 4, it is characterized in that, described simple alternating current constant-current source circuit comprises:
Sine wave signal generator, for generation of sine wave signal;
Power amplification circuit, for exporting described simple alternating current constant current drive signal;
Current constant control and drive circuit, first end is connected with described sine wave signal generator, second end is connected with described power amplification circuit, for the feedback signal obtained from described simple alternating current constant current drive signal compared with described sine wave signal, to regulate the constant current hold of described simple alternating current constant current drive signal; And
Power signal feedback circuit, first end is connected with described power amplification circuit, and the second end is connected with drive circuit with described current constant control, for obtaining feedback signal to described current constant control and drive circuit from described simple alternating current constant current drive signal.
6. the wind-driven generator pitching super capacitor charging system with on-line monitoring function according to claim 1, it is characterized in that, described temperature detecting module comprises:
Temp probe, for detecting the temperature of described super capacitor;
Temperature voltage change-over circuit, is connected with described temp probe, for the d. c. voltage signal by described temperature transition one-tenth and described temperature proportional,
Wherein, described processing module is used for the temperature value calculating described super capacitor according to described d. c. voltage signal.
7. the wind-driven generator pitching super capacitor charging system with on-line monitoring function according to claim 6, it is characterized in that, when the temperature of described processing module also for detecting in described temperature detecting module exceeds the first preset range value, control the alarm signal that described alarm module produces described temp probe broken string.
8. the wind-driven generator pitching super capacitor charging system with on-line monitoring function according to claim 1, it is characterized in that, described system also comprises:
Force ACM alarm control module, be connected with described alarm module with described charging module, for detecting described output voltage, and when described output voltage is lower than predeterminated voltage, controlling described alarm module and producing alarm signal.
9. the wind-driven generator pitching super capacitor charging system with on-line monitoring function according to claim 1, it is characterized in that, described system also comprises:
Communication module, is connected with described processing module, and the real time status information for the described super capacitor described processing module obtained is uploaded to long distance control system.
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104158239A (en) * | 2014-07-04 | 2014-11-19 | 苏州腾冉电气设备有限公司 | Emergency electric power source system for pitch system |
| CN105277831B (en) * | 2015-11-19 | 2018-10-23 | 北京天诚同创电气有限公司 | super capacitor fault detection device |
| GB2545493A (en) | 2015-12-18 | 2017-06-21 | Moog Unna Gmbh | Wind turbine diagnostic apparatus |
| CN109470970A (en) * | 2018-10-19 | 2019-03-15 | 深圳市汇川技术股份有限公司 | Charger open circuit detection method and system |
| CN110187190A (en) * | 2019-05-27 | 2019-08-30 | 许昌许继风电科技有限公司 | The evaluation method and detection system of capacitor box capacitance |
| CN110361589B (en) * | 2019-08-09 | 2021-09-28 | 四川虹美智能科技有限公司 | Device and method for acquiring running state data of compressor and management system |
| CN111934579B (en) * | 2020-10-14 | 2021-01-26 | 浙江沃尔德电力电子有限公司 | Intelligent capacitor and power equipment control system based on big data |
| CN114678945A (en) * | 2020-12-24 | 2022-06-28 | 北京金风慧能技术有限公司 | Become oar standby power system, become oar system and wind generating set |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102520277A (en) * | 2011-12-01 | 2012-06-27 | 北京金风科创风电设备有限公司 | Super capacitor detection method and detection system of wind driven generator variable pitch system |
| CN102621498A (en) * | 2012-03-23 | 2012-08-01 | 北京亚安新能航天科技有限公司 | Online monitoring system for variable-pitch battery pack of wind-driven generator |
| CN202770905U (en) * | 2012-09-25 | 2013-03-06 | 渤海大学 | High capacity super capacitor module intelligent alarm system |
| CN202916413U (en) * | 2012-03-23 | 2013-05-01 | 北京亚安新能航天科技有限公司 | Online monitoring system for variable-pitch battery pack of wind-driven generator |
| KR101316550B1 (en) * | 2012-07-12 | 2013-10-15 | 한국전기연구원 | System for testing energy storage device using static simulator |
| CN103487663A (en) * | 2013-08-12 | 2014-01-01 | 中国振华（集团）新云电子元器件有限责任公司 | System and method for testing capacitance of supercapacitor |
-
2014
- 2014-03-06 CN CN201410079645.9A patent/CN103779947B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102520277A (en) * | 2011-12-01 | 2012-06-27 | 北京金风科创风电设备有限公司 | Super capacitor detection method and detection system of wind driven generator variable pitch system |
| CN102621498A (en) * | 2012-03-23 | 2012-08-01 | 北京亚安新能航天科技有限公司 | Online monitoring system for variable-pitch battery pack of wind-driven generator |
| CN202916413U (en) * | 2012-03-23 | 2013-05-01 | 北京亚安新能航天科技有限公司 | Online monitoring system for variable-pitch battery pack of wind-driven generator |
| KR101316550B1 (en) * | 2012-07-12 | 2013-10-15 | 한국전기연구원 | System for testing energy storage device using static simulator |
| CN202770905U (en) * | 2012-09-25 | 2013-03-06 | 渤海大学 | High capacity super capacitor module intelligent alarm system |
| CN103487663A (en) * | 2013-08-12 | 2014-01-01 | 中国振华（集团）新云电子元器件有限责任公司 | System and method for testing capacitance of supercapacitor |
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Effective date of registration: 20181221 Address after: 572018 Hairun Pearl Exhibition Building, 33 Hairun Road, Jiyang District, Sanya City, Hainan Province Patentee after: Hainan Xingyu Intelligent Control Technology Co., Ltd. Address before: Room 302, Unit 3, Unit 3, Building 20, District 6, Huilongguan Town, Changping District, Beijing 100096 Patentee before: Beijing Ya,an Xinneng Aerospace Science and Technology Co., Ltd. |