CN2766438Y - Automatic control converter for wind and solar power generation - Google Patents
Automatic control converter for wind and solar power generation Download PDFInfo
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- CN2766438Y CN2766438Y CN 200420095270 CN200420095270U CN2766438Y CN 2766438 Y CN2766438 Y CN 2766438Y CN 200420095270 CN200420095270 CN 200420095270 CN 200420095270 U CN200420095270 U CN 200420095270U CN 2766438 Y CN2766438 Y CN 2766438Y
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Abstract
The utility model discloses an automatic control inverter for wind force and solar generation, which comprises a rectifying circuit and an accumulator, and one end is provided with a charging and controlling circuit which is connected with the accumulator, a solar charging and controlling circuit, a voltage stabilizing circuit and an inverting circuit. The position between the rectifying circuit and an input interface of a solar battery is provided with a solar battery reverse connection protecting device. The utility model is characterized in that the automatic control inverter also comprises a microcontroller MCU, and the charging and controlling circuit and the solar charging and controlling circuit are controlled and connected by the microcontroller MCU. The position between the accumulator and the microcontroller MCU is also connected with an accumulator voltage detecting circuit, the accumulator reverse connection protecting circuit and an accumulator open circuit detecting circuit. The position between the inverting circuit and the accumulator is also provided with a discharging and controlling circuit which is controlled by the microcontroller MCU, and because various safe protecting circuits and devices are arranged on the inverter, operation is safer, the control volume of the used microcontroller MCU is small and cost is low.
Description
Technical field
The utility model relates to wind-force and device of solar generating, specifically relates to the inverter of wind-force and solar power generation.
Background technology
In the wind-force and device of solar generating of prior art; in order to improve its range of application; its control circuit is except that comprising charging circuit; generally in its control circuit, also install inverter additional; as number of patent application is 98232761; the applying date is on May 29th, 1998; denomination of invention is a wind-force; the special-purpose control inverter of solar power generation; it is by rectification circuit; charging control circuit; the energy storage storage battery; cross (owing) voltage protection circuit; inverter control circuit; power output and voltage lifting circuit are formed; above-mentioned charging control circuit is by introducing the return difference control circuit of comparing with the highest and minimum reference voltage of energy storage storage battery; also join with a minute current load; it also comprises the output waveform correcting circuit in addition; this patented technology makes to have maximally utilised natural wind and solar energy resources owing to control and the organically combination of inversion control of will charging.Application number is 96217845 for another example, the applying date is on July 17th, 1996, denomination of invention is the dual-purpose charge inverter of solar wind power, it be wind power generation rectification output end serial connection charging current adjust element solid-state relay IC ↓, serial connection charging adjustment element field effect transistor V in the solar recharging loop ↓, again by integrated operatinoal amplifier IC ↓ or comparator above-mentioned two-way unification is connected into storage battery voltage stabilizing charge controller, serial connection counnter attack discharge relay J in solar charging circuit, on storage battery, also and be connected to by high power valve V ↓, air switch K, power transformer B, the inversion AC system that ac signal circuit is formed.In above-mentioned wind-force and the device of solar generating, lack enough safeguard protection and reliability, wind-force and device of solar generating lack the control system of comprehensively concentrating simultaneously, and volume is bigger than normal, the cost height.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of operation safer reliable convenience, simultaneously low wind-force and the automatic control inverter of solar power generation of cost.
The utility model is to adopt following scheme to realize above-mentioned purpose: the automatic control inverter of wind-force of the present utility model and solar power generation comprises the rectification circuit that joins with wind-driven generator and solar cell input interface; storage battery; the charging control circuit that one end links to each other with storage battery; the solar charging electric control circuit; voltage stabilizing circuit; inverter circuit; between rectification circuit and solar cell input interface, be provided with solar cell reverse connecting protection device; charging control circuit is connected with rectification circuit; it is characterized in that; it also includes a microcontroller MCU; charging control circuit; the solar charging electric control circuit connects by microcontroller MCU control; between storage battery and microcontroller MCU, also be connected to accumulator voltage detecting circuit; the reverse connection of accumulator protective circuit; the storage battery open detection circuit also is provided with the charge/discharge control circuit by microcontroller MCU control between inverter circuit and the storage battery.
It also includes a radiator fan, and microcontroller MCU also is connected with fan control circuitry and temperature sensing circuit.
Described microcontroller MCU also is connected with condition indication circuit.
Adopt the advantage of said method and equipment to be:
1, the utility model is controlled whole inverter circuit system by a microcontroller MCU, and volume is little, and cost is low;
2, in circuit, increased storage battery open circuit warning circuit, accumulator voltage detecting circuit, reverse connection of accumulator protective circuit, storage battery open detection circuit, charging control circuit and charge/discharge control circuit, fan control circuitry, the temperature sensing circuit of controlling by microcontroller MCU; and add the setting of solar energy reverse connecting protection device; above-mentioned safety guarantee circuit constitutes complete safe network of the present utility model, makes the utility model operation safer reliable.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further described:
Fig. 1 is the utility model circuit frame principle figure;
Fig. 2 is the utility model circuit theory diagrams;
Fig. 3 is an inverter circuit schematic diagram of the present utility model.
Embodiment
As shown in Figure 1; the automatic control inverter of wind-force of the present utility model and solar power generation comprises the rectification circuit 3 that joins with wind-driven generator and solar cell input interface; solar charging electric control circuit 8; microcontroller MCU1; charging control circuit 4; storage battery B1; accumulator voltage detecting circuit 13; reverse connection of accumulator protective circuit 11; voltage stabilizing circuit 12; condition indication circuit 16; inverter circuit 6; between rectification circuit and solar cell input interface, be provided with solar cell reverse connecting protection device 7; also be provided with charge/discharge control circuit 5 between inverter circuit 8 and the storage battery B1 by microcontroller MCU1 control; storage battery one end also is connected to the storage battery open detection circuit 15 by microcontroller MCU1 control; also has manual shut-down switch 2 at above-mentioned wind-driven generator and solar cell input interface; the storage battery open circuit warning circuit 9 that its input interface is also controlled by microcontroller MCU1; microcontroller MCU1 also is connected to control circuit of cooling fan 10 and temperature sensing circuit 14; storage battery open circuit warning circuit 9 by microcontroller MCU1 control; accumulator voltage detecting circuit 13; reverse connection of accumulator protective circuit 11; storage battery open detection circuit 15; charging control circuit 4 and charge/discharge control circuit 5; fan control circuitry 10; temperature sensing circuit 14, and add that being provided with of solar energy reverse connecting protection device constitutes the safe and reliable safeguards system of the utility model.
Below in conjunction with the physical circuit schematic diagram inverter operation principle of the present utility model is described further.
As shown in Figure 2, microcontroller U2, crystal oscillator CY1, capacitor C 7, C8 constitute main control circuit, and under the control of microcontroller U2 internal processes, microcontroller MCU detects the state and the various abnormal conditions of storage battery automatically, and the corresponding operation of control, microcontroller MCU1 is microcontroller U2.
Its middle connecting terminal W1, W2, W3 are three-phase wind-driven generator input interfaces, and S+, S-are the solar cell input interfaces, and wherein S+ represents positive pole, and S-represents negative pole.
The anti-reverse protective circuit of storage battery is made of diode D1, when accumulator polarity connects inverse time, because D1 is in anti-cut-off state partially; relay J D1, JD2 does not have supply power voltage, is in off-state; remaining circuit also can't form current supply circuit, so accumulator polarity connects and opposes that circuit does not have any infringement.
When accumulator polarity was correct, battery tension was by diode D1, and R1 gives circuit of three-terminal voltage-stabilizing integrated U1 power supply, and U1 output+5V voltage is given microcontroller U2 and peripheral cell power supply.
The rechargeable solar battery control circuit is by R12, R13, T4, R15, R16, ZD1, Q1 constitutes, when microcontroller U2 the 15th pin output high level, triode T4 conducting drags down field effect transistor Q1 grid voltage, and Q1 carries and ends, and solar cell can charge a battery by BD2 and relay J D1.Otherwise, when U2 the 15th pin output low level, the Q1 conducting, solar cell can't the accumulators power supply by short-circuit protection.
The solar cell reverse connecting protection is made up of BD2-1 among the rectifier bridge BD2, and when solar cell polarity was normal, BD2-1 instead ended partially, and solar cell polarity connects inverse time, the BD2-1 forward conduction, and solar cell is by short-circuit protection.
Charging control circuit is by R9, R10, and T1, D2 and JD1 constitute, when U2 the 1st pin output high level, the T1 conducting, relay J D1 adhesive, wind-driven generator and solar cell can pass through rectifier bridge BD1, and BD2 charges a battery.Otherwise JD1 disconnects, and charging stops.
Charge/discharge control circuit is by R7, R8, and T2, D3 and JD2 constitute, when U2 the 20th pin output high level, the T2 conducting, relay J D2 adhesive, storage battery can be to direct current output power supply.Otherwise JD2 disconnects, and discharge stops.
Microcontroller U2 detects battery tension automatically, when detecting underfill, and the 15th pin output low level, the 1st pin output high level charges a battery wind-driven generator and solar cell, when detecting battery and be full of, export opposite level, the control charging process stops.When cell voltage drops to certain level subsequently, recover charging automatically once more.
Microcontroller U2 detects battery tension automatically, when detecting not overdischarge, the 20th pin output high level, control JD2 adhesive can power to the load, cross when low when detecting cell voltage, the output opposite levels, control JD2 disconnects, and discharge stops, when cell voltage returns to certain voltage, recover powering load automatically.
Temperature sensing circuit is by R4, thermistor RT1, C6 constitutes, temperature level is transformed into the relevant voltage size after, deliver to U2 the 4th pin, carry out analog-to-digital conversion through U2 inside, and obtain the product temperature data.
Fan control circuitry is by R9, R10, and T3, FAN forms, when U2 the 19th pin output high level, the T3 conducting, the fan entry into service, to the product heat radiation, during the output opposite levels, the fan stall.
The automatic testing product temperature of microcontroller U2, when temperature surpassed certain value, the control fan began heat radiation, and when temperature continued to rise to the product protection temperature value, the control product stopped to discharge and recharge, and recovered to discharge and recharge when recovering normal temperature.
The storage battery open detection circuit is by R17, ZD2, R18, T5, R19, C10, R20 forms, when storage battery is not opened a way, battery tension is no abnormal, and T5 ends, when storage battery is opened a way, because charging circuit is non-loaded, the voltage of former storage battery end raises, the T5 conducting, and U2 the 12nd pin is pulled to low level, causes that CPU interrupts, in interrupt handling routine, control disconnects JD1 and JD2, and control circuit is owing to outage quits work, when inserting storage battery once more, system resets again, can recover operate as normal.
Storage battery is opened a way warning circuit by D4, D5, R22, C11, R24, C13, ZD5, R25, T7, B1, R26, R27, T8 constitutes, and the voltage that wind-driven generator and solar cell provide is by D4, the D5 rectification, C11 filtering, by R4, buzzer B1, triode T7 constitutes current supply circuit, when battery is not opened a way, and U2 the 13rd pin output high level, control T8 conducting, T7 ends, and buzzer B1 does not ring, when storage battery was opened a way, U2 can't provide high level control T8 conducting, and T7 is in conducting state like this, but the voltage buzzer B1 that relies on wind-driven generator and solar cell to provide pipes, and connects battery again to remind the user.
Condition indication circuit is by R30, R31, R32, R33, LED1; LED2, LED3, LED4 forms, and can distinguish pilot cell and connect, charging; be full of, states such as storage battery under-voltage protection, microcontroller is controlled corresponding lumination of light emitting diode automatically according to detected actual conditions.
K switch 1 is a wind-driven generator manual shut-down switch, can be with short circuit between the input of the three-phase of wind-driven generator, thus wind-driven generator is shut down, realizing short-circuit protection, and bring convenience for the installation and maintenance wind-driven generator.
Fig. 3 is an inverter circuit, and the direct voltage that storage battery can be provided converts industrial-frequency alternating current to, directly uses for household electrical appliance, and this inverter circuit has adopted the content of prior art, and the utility model is not described further at this.
Claims (3)
1; the automatic control inverter of a kind of wind-force and solar power generation; comprise the rectification circuit that joins with wind-driven generator and solar cell input interface; storage battery; the charging control circuit that one end links to each other with storage battery; the solar charging electric control circuit; voltage stabilizing circuit; inverter circuit; between rectification circuit and solar cell input interface, be provided with solar cell reverse connecting protection device; charging control circuit is connected with rectification circuit; it is characterized in that; automatically the control inversion also includes a microcontroller MCU; charging control circuit; the solar charging electric control circuit connects by microcontroller MCU control; between storage battery and microcontroller MCU, also be connected to accumulator voltage detecting circuit; the reverse connection of accumulator protective circuit; the storage battery open detection circuit also is provided with the charge/discharge control circuit by microcontroller MCU control between inverter circuit and the storage battery.
2, the automatic control inverter of wind-force according to claim 1 and solar power generation is characterized in that, it also includes a radiator fan, and microcontroller MCU also is connected with fan control circuitry and temperature sensing circuit.
3, the automatic control inverter of wind-force according to claim 1 and solar power generation is characterized in that, described microcontroller MCU also is connected with condition indication circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420095270 CN2766438Y (en) | 2004-11-18 | 2004-11-18 | Automatic control converter for wind and solar power generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420095270 CN2766438Y (en) | 2004-11-18 | 2004-11-18 | Automatic control converter for wind and solar power generation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2766438Y true CN2766438Y (en) | 2006-03-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420095270 Expired - Fee Related CN2766438Y (en) | 2004-11-18 | 2004-11-18 | Automatic control converter for wind and solar power generation |
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| Country | Link |
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| CN (1) | CN2766438Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101913327A (en) * | 2010-02-08 | 2010-12-15 | 何松清 | Wind-power auxiliary generation device of electrodynamic locomotive |
| CN101388561B (en) * | 2007-09-13 | 2011-05-11 | 王为灿 | Charging circuit |
| CN101609998B (en) * | 2009-07-17 | 2011-08-03 | 哈尔滨工程大学 | Wind power generation and energy storage system |
| CN102185526A (en) * | 2011-04-24 | 2011-09-14 | 薛建仁 | Novel quasi-grid-connected wind-light-electricity complementary power station |
| CN103075359A (en) * | 2013-01-29 | 2013-05-01 | 陕西科技大学 | Intelligent heat radiation fan drive circuit |
| CN103166259A (en) * | 2011-12-14 | 2013-06-19 | 周登荣 | Solar fan comprehensive power supply system |
| CN103956882A (en) * | 2014-05-04 | 2014-07-30 | 赵凤居 | Novel environment-friendly civilian power generation device |
-
2004
- 2004-11-18 CN CN 200420095270 patent/CN2766438Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101388561B (en) * | 2007-09-13 | 2011-05-11 | 王为灿 | Charging circuit |
| CN101609998B (en) * | 2009-07-17 | 2011-08-03 | 哈尔滨工程大学 | Wind power generation and energy storage system |
| CN101913327A (en) * | 2010-02-08 | 2010-12-15 | 何松清 | Wind-power auxiliary generation device of electrodynamic locomotive |
| CN102185526A (en) * | 2011-04-24 | 2011-09-14 | 薛建仁 | Novel quasi-grid-connected wind-light-electricity complementary power station |
| CN103166259A (en) * | 2011-12-14 | 2013-06-19 | 周登荣 | Solar fan comprehensive power supply system |
| CN103075359A (en) * | 2013-01-29 | 2013-05-01 | 陕西科技大学 | Intelligent heat radiation fan drive circuit |
| CN103075359B (en) * | 2013-01-29 | 2015-12-02 | 陕西科技大学 | A kind of intelligent heat radiation fan drive circuit |
| CN103956882A (en) * | 2014-05-04 | 2014-07-30 | 赵凤居 | Novel environment-friendly civilian power generation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060322 Termination date: 20121118 |