CN201226454Y - Charging equipment - Google Patents
Charging equipment Download PDFInfo
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- CN201226454Y CN201226454Y CNU2008200951844U CN200820095184U CN201226454Y CN 201226454 Y CN201226454 Y CN 201226454Y CN U2008200951844 U CNU2008200951844 U CN U2008200951844U CN 200820095184 U CN200820095184 U CN 200820095184U CN 201226454 Y CN201226454 Y CN 201226454Y
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- 238000001514 detection method Methods 0.000 claims abstract description 16
- 238000012545 processing Methods 0.000 claims description 17
- 230000000052 comparative effect Effects 0.000 claims description 6
- 230000005669 field effect Effects 0.000 claims description 4
- 230000036772 blood pressure Effects 0.000 claims description 2
- 230000000087 stabilizing effect Effects 0.000 claims description 2
- 230000001960 triggered effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 9
- 239000003990 capacitor Substances 0.000 description 4
- 238000001914 filtration Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000009514 concussion Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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Abstract
The utility model discloses a charging device, which comprises a detection control circuit and a DC booster circuit. The detection control circuit is connected with the output end of an aerogenerator, which is used for measuring the rotation rate of the aerogenerator, and outputting corresponding control signal when the voltage output by the output end of the aerogenerator is determined to be triggered to be boosted. The DC booster circuit is connected with a storage battery and the detection control circuit, which is used for detecting the boosting of the voltage output by the output end of the aerogenerator by the contorl signal output by the output end of the detection control circuit, and the boosted voltage is used for charging the storage battery.
Description
Technical field
The utility model relates to wind power generation field, relates in particular to a kind of charging device that improves wind power generation efficient.
Background technology
Most of electric energy that is sent from net type wind-driven generator, outputs in the storage battery through behind the rectifier control circuit directly.Rectifier control circuit mainly plays protective effects such as rectification, current limliting, pressure limiting.And when the wind-driven generator rotating speed can not acquire a certain degree, when the output voltage of wind-driven generator is lower than battery tension, wind-driven generator can not be to charge in batteries, wind-driven generator is in the no-load running state, like this, part wind energy has just wasted, and the generating efficiency of wind-driven generator can not get improving.
Provides a kind of in the prior art and solved the problems referred to above, but this method makes the wind-driven generator volume increase that internal structure is complicated and improved cost at the inner gearbox that increases of wind-driven generator.
The utility model content
Technical problem to be solved in the utility model is: a kind of charging device is provided, the wind-driven generator rotating speed that this device can obtain according to measuring and calculating, control the processing of boosting of voltage to wind-driven generator output output as required, and handle gained voltage to charge in batteries to boost, simple in structure and cost is little.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of charging device comprises:
Detect control circuit, it links to each other with the wind-driven generator output, be used for described wind-driven generator rotating speed being calculated according to the voltage of this wind-driven generator output output, boost the output corresponding control signal when handling when be judged as the voltage of triggering according to this results of measuring to the output of described wind-driven generator output;
DC voltage booster circuit, it links to each other with a described detection control circuit and a storage battery respectively, be used for according to the control signal of described detection control circuit output output processings of boosting of the voltage of described wind-driven generator output output, and with the voltage of this processing gained that boosts to described charge in batteries.
The beneficial effects of the utility model are:
By a kind of charging device is provided, this device includes the detection control circuit of the controlled signal of wind-driven generator rotating speed that can obtain according to measuring and calculating, according to the control signal that detects control circuit output the voltage of wind-driven generator output output is boosted to handle and boost with this and handle the DC voltage booster circuit of gained voltage charge in batteries, thereby the wind-driven generator rotating speed that can obtain according to measuring and calculating, control the processing of boosting of voltage to wind-driven generator output output as required, and handle gained voltage to charge in batteries to boost, simple in structure and cost is little, improve the efficient of wind-driven generator.
Below in conjunction with accompanying drawing the utility model is described in further detail.
Description of drawings
Fig. 1 is the primary structure figure of the charging device of the utility model embodiment;
Fig. 2 is the first embodiment schematic diagram of charging device of the present utility model;
Fig. 3 is the schematic diagram of the DC voltage booster circuit in the charging device of the utility model embodiment;
Fig. 4 is the schematic diagram of the pwm circuit in the charging device of the utility model embodiment;
Fig. 5 is the schematic diagram of the stabilized voltage power supply in the charging device of the utility model embodiment;
Fig. 6 is the schematic diagram of the speed detect circuit in the charging device of the utility model embodiment.
Embodiment
Fig. 1 is the primary structure figure of the charging device of the utility model embodiment, and with reference to this figure, this device mainly comprises detection control circuit 11, DC voltage booster circuit 12, wherein:
Detect control circuit 11 and link to each other with wind-driven generator output, DC voltage booster circuit 12 respectively, DC voltage booster circuit 12 also links to each other with wind-driven generator output, storage battery respectively;
Detect control circuit 11, be used for the wind-driven generator rotating speed being calculated according to the voltage of wind-driven generator output output, judge whether to trigger the processing of boosting of voltage to described wind-driven generator output output according to results of measuring, if then output triggers the control signal that the voltage that the wind-driven generator output is exported boosts and handles;
DC voltage booster circuit 12 is used for according to the control signal that detects the output of control circuit output processings of boosting of the voltage of described wind-driven generator output output, and with the voltage of the processing gained that boosts to charge in batteries.
Fig. 2 is the first embodiment schematic diagram of charging device of the present utility model, with reference to this figure, this device mainly comprises detection control circuit 21, DC voltage booster circuit 22, stabilized voltage power supply 23, particularly, detect control circuit 21 and comprise speed detect circuit 211, microcomputer control circuit 212, DC voltage booster circuit 22 comprises rectification circuit 221, BOOST booster circuit 222, wherein:
BOOST booster circuit 222 is used for according to the control signal of microcomputer control circuit 212 outputs output processings of boosting of the voltage of rectification circuit 221 rectification output ends output, and with the voltage of the processing gained that boosts to charge in batteries;
Stabilized voltage power supply 23 is used for that the storage battery output voltage is carried out lowering and stabilizing blood pressure and obtains this device operating voltage, and with this operating voltage speed detect circuit 211, microcomputer control circuit 212, BOOST booster circuit 222 powered.
Fig. 3 is the schematic diagram of the DC voltage booster circuit in the charging device of the utility model embodiment, and with reference to this figure, this DC voltage booster circuit mainly comprises rectification circuit and BOOST booster circuit, wherein:
WINA, WINB, WINC receive wind-driven generator output (three-phase output end);
Rectification circuit is specially the circuit of being made up of diode D1, D2, D3, D6, D7, D8 etc., wherein, the D1 positive pole links to each other with WINA, and the D2 negative pole links to each other with the D1 negative pole, the D2 positive pole links to each other with WINB, the D3 negative pole links to each other with the D2 negative pole, and the D3 positive pole links to each other with WINC, and the D6 negative pole links to each other with WINA, D1 are anodal respectively, the D7 positive pole links to each other with D6 is anodal, the D7 negative pole links to each other with WINB, D2 are anodal respectively, and the D8 positive pole links to each other with D7 is anodal, and the D8 negative pole links to each other with WINC, D3 are anodal respectively;
Like this, diode D1, D2, D3, D6, D7, D8 form the three-phase bridge full-wave rectifying circuit, and the three-phase electricity pressuring meridian rectification circuit rectification of wind-driven generator output output also outputs to the BOOST booster circuit;
The BOOST booster circuit is specially by diode D10, D4, filter capacitor C6, C12, pulse-width modulation (Pulse Width Modulation, PWM) circuit, large-current electric sense L1, field effect transistor Q1, resistance R 7, R8, the circuit that R9 etc. form, wherein, the D10 negative pole links to each other with the D3 negative pole, and the D10 positive pole links to each other with D8 is anodal, and C6 one end links to each other with the D10 negative pole, the other end links to each other with D10 is anodal, L1 first end links to each other with the D10 negative pole, the D4 positive pole links to each other with L1 second end, and C12 one end links to each other with the D4 negative pole, the other end links to each other with D10 is anodal, and the Q1 drain electrode links to each other with D4 is anodal, R8 one end links to each other with D10 is anodal, the other end links to each other with the Q1 grid, R9 one end links to each other with D10 is anodal, the other end links to each other with the Q1 source electrode, and R7 one end links to each other with the Q1 grid, the other end links to each other with the pwm circuit output, and the switching current feedback signal IP in the pwm circuit receives the Q1 source electrode, VOUT is connected to the BAT+ end of storage battery, D10 plus earth as the output of BOOST booster circuit;
The said PWM circuit can be as shown in Figure 4, be specially by resistance R 3, R4, R5, R6, R18, R10, R22, R19, capacitor C 4, C27, C28, C7, C8, C9, C10, chip U2 (specifically can be the UC3845 chip), the circuit that field effect transistor Q3 etc. form, wherein, U2 comprises COMP end (being port one), VFB holds (being port 2), ISENSE holds (being port 3), RT/CT holds (being port 4), VREF holds (being port 8), VI holds (being port 7), VO holds (being port 6), GND holds (being port 5), the COMP end of U2 is parallel with C4 with the VFB end, R6, the VFB end receives the VOUT input voltage by R3, the VFB end is by R4 ground connection, the ISENSE end is by R5 receiving key current feedback signal IP, the ISENSE end is by C27 ground connection, the RT/CT end is received VREF end and VI end by C28 ground connection and by R18, the VREF end passes through C7 respectively, C8 ground connection, the C8 positive pole links to each other with the VREF end, the VI end receives operating voltage VDD (from stabilized voltage power supply 23) by R10, the VI end passes through C10, C9 ground connection, the C9 positive pole links to each other with the VI end, VO end output pwm signal also is connected to R7, GND links to each other with the Q3 drain electrode, the Q3 source ground, the Q3 grid by R22 ground connection and by R19 receive control signal from microcomputer control circuit 212 (On/Off, ON/OFF);
Like this, the VO end output pwm signal of U2 also is connected on the R7, thereby drive Q1 work, UT is through R3 for the DC voltage booster circuit output voltage VO, the sampling of R4 dividing potential drop obtains feedback voltage V FB, feedback voltage V FB is guided to the VFB end of U2, the control of formation voltage close loop, thereby prevent to boost too high and the damage storage battery, C18, R28 provides the concussion frequency for U2, VDD provides operating voltage through R10 for U2, when the output of microcomputer control circuit triggers the control signal (effectively high level) that the three-phase voltage that the wind-driven generator output is exported boosts and handles, the voltage that promptly needs the BOOST booster circuit that the wind-driven generator output is exported boosts when handling, the GND end ground connection of U2, U2 work, pwm circuit is opened, and the pwm signal of output makes the Q1 action through the grid that R7 acts on Q1, and the BOOST booster circuit is to the processing of boosting of the three-phase voltage of wind-driven generator output output; When the output of microcomputer control circuit triggers the control signal (effectively low level) that the three-phase voltage that the wind-driven generator output is exported does not boost and handles, the voltage that does not promptly need the BOOST booster circuit that the wind-driven generator output is exported boosts when handling, the GND end of U2 is earth-free, U2 does not work, the BOOST booster circuit is to processings of boosting of the three-phase voltage of wind-driven generator output output, at this moment after the rectification circuit rectification gained voltage directly by L1 etc. to charge in batteries (but L1 filtering).
Fig. 5 is the schematic diagram of the stabilized voltage power supply in the charging device of the utility model embodiment, with reference to this figure, this stabilized voltage power supply is specially by resistance R 1, R2, R13, R11, R12, R14, R15, R16, capacitor C 1, C2, C3, C13, C14, C21, C22, C25, C26, breakdown diode D5, D11, chip U1 (specifically can be the LM317 chip), U4 (specifically can be the LM7805 chip), U5 (specifically can be the MC34063 chip), inductance L 2, the circuit that field effect transistor Q2 etc. form, wherein, U1 comprises Vin end (being port 3), Vout holds (being port 2), Adjust holds (being port one), U4 comprises Vin end (being port one), Vout holds (being port 3), GND holds (being port 2), U5 comprises VC end (being port one), VE holds (being port 2), Ct holds (being port 3), GND holds (being port 4), VCg holds (being port 8), Isw holds (being port 7), VIN holds (being port 6), COM holds (being port 5), the Vin end of U1 is connected on the BAT+ end by R1, the BAT+ end links to each other with battery positive voltage, the Vin end of U1 passes through C1 respectively, C2, D5 ground connection, the positive pole of C1 links to each other with the Vin of U1 end, the negative pole of D5 links to each other with the Vin of U1 end, the Vout end of U1 is by C3 ground connection, the positive pole of C3 links to each other with the Vout end, the Vout end output V+ of U1, the Vout end of U1 links to each other with the Adjust end of U1 by R2, and the Adjust end of U1 is by R3 ground connection; The Vout end of U4 is output as VCC voltage, the Vout end of U4 is by C13, C14 ground connection, the positive pole of C13 links to each other with the Vout of U4 end, the GND end ground connection of U4, the Vin end of U4 is input as vdd voltage, and the Vin end of U4 links to each other with the COM end of U5 by R11, and the Vin end of U4 is by C21, C22 ground connection, the positive pole of C21 links to each other with the Vin of U4 end, and the Vin end of U4 links to each other with the negative pole of D11 by L2; The COM end of U5 is by R12 ground connection, the GND end ground connection of U5, the plus earth of D11, the Ct end of U5 is by C25 ground connection, the VE end of U5 is by R14 ground connection, the VE end of U5 links to each other with the grid of Q2, the negative pole of D11 links to each other with the source electrode of Q2, the VC end of U5 links to each other with the drain electrode of Q2, and the VC end of U5 links to each other with the VCg end of U5, and the VCg end of U5 links to each other with the Isw end of U5 by R15, the Isw end of U5 links to each other with the VIN end of U5 by R16, the V+ of the Vout output of the VIN end input U1 of U5, the VIN end of U5 is by C26 ground connection, and the positive pole of C26 links to each other with the VIN of U5 end;
Like this, U5 carries out step-down with the V+ voltage of U1 output, after L2 and C21, C22 filtering, obtain the source of stable pressure VDD of 12 volts (V) again, VDD is input to the Vin end of U4, draw the source of stable pressure VCC that magnitude of voltage is 5V after the voltage process C13 of U4 output, the C14 filtering, therefore stabilized voltage power supply can obtain many group source of stable pressure, as VCC, VDD, for each several part in the whole charging device provides operating voltage.
Fig. 6 is the schematic diagram of the speed detect circuit in the charging device of the utility model embodiment, with reference to this figure, this speed detect circuit is specially by resistance R 17, R20, R24, R23, R25, operational amplifier U3 (specifically can be the LM2904 chip), breakdown diode D9, the circuit that capacitor C 29 grades are formed, U3 comprises normal phase input end (being port 3), inverting input (being port 2), operating voltage input (being port 8), earth terminal (being port 4), output (being port one), wherein, a phase output terminal WINC links to each other with the normal phase input end of U3 by R17 in the wind-driven generator output, the normal phase input end of U3 is by R20 ground connection, the inverting input of U3 is by R23 ground connection, the inverting input of U3 is imported VDD by R4, the operating voltage input input VDD of U3, the earth terminal ground connection of U3, the output of U3 links to each other with the microcomputer control circuit by R25, the end of D9 links to each other with ground, the other end links to each other with the microcomputer control circuit, and the microcomputer control circuit is by C29 ground connection;
Like this, a phase output terminal WINC draws sampled voltage by R17, the sampling of R20 dividing potential drop in the wind-driven generator output, and this sampled voltage is input to the in-phase input end of U3, the inverting input of U3 inserts a comparative voltage by VDD, R24, R23, because single-phase voltage over the ground was sinusoidal wave when wind-driven generator rotated, therefore, when the sampled voltage of the in-phase input end of U3 was lower than the comparative voltage of inverting input of U3, the output of U3 was output as low level; When the sampled voltage of the in-phase input end of U3 is higher than the comparative voltage of anti-phase 7 inputs of U3, the output of U3 is output as high level, what the output of U3 was exported is pulse square wave, the sampled voltage waveform of the in-phase input end of U3 is followed the voltage waveform of WINC and is all sine wave, all the time the sampled voltage that is higher than the in-phase input end of U3 for the comparative voltage that prevents the U3 inverting input, the comparative voltage of the inverting input of U3 should be set at and be slightly larger than 0 magnitude of voltage, rotate in the process in a week at wind-driven generator, the output of U3 has and for once rising edge or trailing edge, so, the microcomputer control circuit only need select rising edge or trailing edge as the counting foundation, can calculate the rotating speed of wind-driven generator.
In above-mentioned the utility model embodiment, the microcomputer control circuit can be by the ATmega8 singlechip chip of AVR series as controller, utilize the Timer T0 of ATmega8 to use as counter, T0 is driven by external clock, the output of speed detect circuit is received the input pin of the external clock of T0, controller read the count value of a T0 every one second, calculate then this and last time the T0 count value the absolute value of difference, just can draw the rotating speed of (in the unit interval) wind-driven generator in a second, at last, the microcomputer control circuit judges whether to trigger processings (can judge whether the wind-driven generator rotating speed that calculates is lower than the boost threshold value of processing of three-phase voltage to the output of wind-driven generator output) of boosting of voltage to the output of wind-driven generator output according to the wind-driven generator rotating speed that calculates, if, then the output of the pwm circuit in the BOOST booster circuit triggers the control signal that the voltage that the wind-driven generator output is exported boosts and handles, and this control signal is effective high level (otherwise being effective low level).
By implementing charging device of the present utility model, this device links to each other with the wind-driven generator output, and include the detection control circuit of the controlled signal of wind-driven generator rotating speed that can obtain according to measuring and calculating, according to the control signal that detects control circuit output the voltage of wind-driven generator output output boosted to handle and boost with this and handle the DC voltage booster circuit of gained voltage charge in batteries, this apparatus structure is simple and cost is little, improves the efficient of wind-driven generator.
The above is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also are considered as protection range of the present utility model.
Claims (6)
1, a kind of charging device is characterized in that, comprising:
Detect control circuit, it links to each other with the wind-driven generator output, be used for described wind-driven generator rotating speed being calculated according to the voltage of this wind-driven generator output output, boost the output corresponding control signal when handling when be judged as the voltage of triggering according to this results of measuring to the output of described wind-driven generator output;
DC voltage booster circuit, it links to each other with a described detection control circuit and a storage battery respectively, be used for according to the control signal of described detection control circuit output output processings of boosting of the voltage of described wind-driven generator output output, and with the voltage of this processing gained that boosts to described charge in batteries.
2, device according to claim 1 is characterized in that, described DC voltage booster circuit comprises:
Link to each other with described wind-driven generator output, be used for the rectification circuit that the voltage that described wind-driven generator output is exported is carried out rectification;
Link to each other with described rectification circuit, detection control circuit, storage battery respectively, be used for according to the control signal of described detection control circuit output output processings of boosting of the voltage of described rectification circuit rectification output end output, and with the voltage of this processing gained that the boosts BOOST booster circuit to described charge in batteries.
3, device as claimed in claim 2 is characterized in that, described BOOST booster circuit comprises:
Anodal and described rectification circuit output end positive pole, battery terminal negative link to each other, first diode that negative pole links to each other with described rectification circuit output end negative pole;
Second diode that negative pole links to each other with described battery positive voltage;
First end links to each other with described first diode cathode, the inductance that second end links to each other with described second diode cathode;
Drain electrode links to each other with described second diode cathode, the field effect transistor that source electrode links to each other with described battery terminal negative;
Input links to each other the pulse-width modulation circuit that output links to each other with described fet gate with described detection control circuit output.
As each described device in the claim 1 to 3, it is characterized in that 4, described wind-driven generator output is output as three-phase voltage, described detection control circuit comprises:
With in the described wind-driven generator output wherein a phase output terminal link to each other, be used for the voltage waveform of this phase output terminal output is converted to the speed detect circuit of pulse square wave;
The microcomputer control circuit, it links to each other with described speed detect circuit output, the pulse square wave number that is used for exporting in the unit interval according to described speed detect circuit is calculated described wind-driven generator rotating speed, and whether the described wind-driven generator rotating speed of judging this calculating gained is lower than the threshold value that the three-phase voltage that described wind-driven generator output is exported boosts and handles, if then output triggers the control signal that the three-phase voltage that described wind-driven generator output is exported boosts and handles.
5, device as claimed in claim 4 is characterized in that, described speed detect circuit comprises:
With in the described wind-driven generator output wherein a phase output terminal link to each other, being used for the voltage of this phase output terminal output sampled obtains the sample circuit of sampled voltage;
Be used to produce the comparison circuit of the comparative voltage of described sampled voltage;
In-phase input end links to each other with described sample circuit output, and inverting input links to each other with described comparison circuit output, the operational amplifier that output links to each other with described microcomputer control circuit.
6, as each described device in the claim 1 to 3, it is characterized in that this device also comprises:
Link to each other with described storage battery, be used for described storage battery output voltage is carried out the stabilized voltage power supply that lowering and stabilizing blood pressure obtains this device operating voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200951844U CN201226454Y (en) | 2008-07-04 | 2008-07-04 | Charging equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200951844U CN201226454Y (en) | 2008-07-04 | 2008-07-04 | Charging equipment |
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| CN201226454Y true CN201226454Y (en) | 2009-04-22 |
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| CNU2008200951844U Expired - Fee Related CN201226454Y (en) | 2008-07-04 | 2008-07-04 | Charging equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104822216A (en) * | 2015-05-15 | 2015-08-05 | 泉州师范学院 | Miniwatt HID lamp drive circuit |
| CN104822208A (en) * | 2015-05-15 | 2015-08-05 | 泉州师范学院 | Step-down circuit for miniwatt HID lamp drive circuit |
-
2008
- 2008-07-04 CN CNU2008200951844U patent/CN201226454Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104822216A (en) * | 2015-05-15 | 2015-08-05 | 泉州师范学院 | Miniwatt HID lamp drive circuit |
| CN104822208A (en) * | 2015-05-15 | 2015-08-05 | 泉州师范学院 | Step-down circuit for miniwatt HID lamp drive circuit |
| CN104822208B (en) * | 2015-05-15 | 2019-05-07 | 泉州师范学院 | The reduction voltage circuit of small-power HID lamp driving circuit |
| CN104822216B (en) * | 2015-05-15 | 2019-05-07 | 泉州师范学院 | Small-power HID lamp driving circuit |
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Assignee: Hunan Richful Solar Energy Optoelectronics Industry Co.,Ltd. Assignor: RICHFUL SOLAR ENERGY TECHNOLOGY Co.,Ltd. Contract record no.: 2011990000999 Denomination of utility model: Device for changing self-walking mouse and method therefor Granted publication date: 20090422 License type: Exclusive License Record date: 20111024 |
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