CN202597129U - Solar variable-frequency water pumping control system without energy storage device - Google Patents
Solar variable-frequency water pumping control system without energy storage device Download PDFInfo
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- CN202597129U CN202597129U CN 201220155616 CN201220155616U CN202597129U CN 202597129 U CN202597129 U CN 202597129U CN 201220155616 CN201220155616 CN 201220155616 CN 201220155616 U CN201220155616 U CN 201220155616U CN 202597129 U CN202597129 U CN 202597129U
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Abstract
The utility model discloses a solar variable-frequency water pumping control system without an energy storage device. The solar variable-frequency water pumping control system without the energy storage device consists of a solar panel array, a converging device, a direct circuit air switch, a high and low voltage switching power, a signal collecting unit, a signal isolation and transformation unit, a microprocessor control unit, a frequency convertor, a motor and a water pump, and no energy storage device is arranged in the solar variable-frequency water pumping control system. According to the solar variable-frequency water pumping control system without the energy storage device, after the microprocessor control unit calculates and processes signals collected by the signal collecting unit, the microprocessor control unit outputs pulse width modulation (PWM) control signals to control output frequency and output power of the frequency convertor, and therefore the effect that the output frequency and the output power of the frequency convertor can be timely adjusted according to constant change of output power of the solar panel array by the solar variable-frequency water pumping control system without the energy storage device is achieved, and the purpose of obtaining maximum water pumping volume can be achieved.
Description
Technical field
The utility model relates to a kind of not with the solar energy frequency conversion of the energy storage device control system of pumping up water.
Background technique
The patent No. is 03205497.1, patent name is the Chinese utility model patent of " solar energy frequency conversion pump up water controller "; A kind of solar energy frequency conversion that directly utilizes solar energy to drive to pump up water electric pump running controller that pumps up water is disclosed; Mainly form by conflux circuit, high low pressure conversion electric power, display control circuit and frequency-variable controller of solar-energy photo-voltaic cell group input circlult, lightning protection circuit, isolation; Lightning protection circuit is connected in parallel on the input circlult two ends; Input circlult links to each other through shunt and the isolation circuit that confluxes; Shunt is that display control circuit provides sampled signal, and the working power of display control circuit is supplied with by the high low pressure conversion electric power, and multichannel solar-energy photo-voltaic cell group is directly after the input of solar-energy photo-voltaic cell group input circlult; Merge together and be added on the frequency-variable controller input end through the isolation that the is constituted by a diode circuit that confluxes, the output terminal of frequency-variable controller can directly drive three-phase or single-phase alternating current pump work.
The tradition main Ac that relies on Ac that electrical network provides or generator to provide that pumps up water drags water pump operation and reaches the purpose of pumping up water; Utilizing solar energy to pump up water mainly is to be stored in energy in the energy storage device through charge controller through the electricity that solar energy sends to be varied to Ac rear driving water pump operation to direct current through the intermediate conversion device again, reaches the purpose of pumping up water.
The model utility content
The utility model technical issues that need to address just are to overcome the defective of existing technology; Provide a kind of not with the solar energy frequency conversion of the energy storage device control system of pumping up water, after it carries out calculation process by micro-control unit to the signal of gathering, the output pwm control signal; The output frequency of control frequency variator; And power, the system of reaching can in time adjust the output frequency and the power of frequency variator according to changing constantly of solar panel array output power, and then realizes the purpose of the maximum amount of pumping up water.
For addressing the above problem, the utility model adopts following technological scheme:
It is a kind of not with the solar energy frequency conversion of the energy storage device control system of pumping up water that the utility model provides, and said control system is by solar panel array, collector-shoe gear; The direct current sky is opened, the high low pressure conversion electric power; Signal gathering unit, Signal Spacing converter unit, microprocessor control unit, frequency variator and motor, water pump are formed, and do not dispose energy storage device, and solar panel array imports collector-shoe gear after series parallel connection; Collector-shoe gear remittance abroad one tunnel is connected to the direct current sky and opens; The direct current sky is opened output 2 road circuit, wherein one the tunnel is connected to frequency variator direct-flow input end, and another road is connected to the port of high low pressure conversion electric power; Inverter output terminal links to each other with motor, and motor is connected with water pump; The high low pressure conversion electric power changes high voltage variable into low tension power supply and supplies power to system; Signal gathering unit is connected, gathers cell plate voltage, electric current, power converter output with battery plate and frequency variator and delivers to Signal Spacing and gather converter unit; After Signal Spacing collection converter unit is isolated conversion to each signal; Deliver to microprocessor control unit; After microprocessor control unit is carried out calculation process to the signal of sending into, produce the output frequency and the output power of control signal corresponding control frequency variator.
Said microprocessor control unit connects liquid crystal display.
The working principle of the utility model is: solar array output is opened to frequency variator through direct current collector-shoe gear and direct current sky; Frequency variator is according to the given pwm signal adjustment output frequency of microprocessor unit; The Ac that the direct current that sends solar array converts different frequency and amplitude to offers water pump, and pump operation is pumped up water.Microprocessor unit is handled from the row operation of going forward side by side of each signal of Signal Spacing converter unit collecting system; Adopt cell plate voltage tracking and power converter output to follow the tracks of combined tracking technology and the output frequency that approaches the corresponding pwm signal control of solar battery maximum power point technology generation frequency variator one by one; The output frequency of frequency variator can in time be changed according to solar illuminating intensity and variation of temperature, reach the purpose that maximum is pumped up water.Secondary circuit control power supply is undertaken the required power supply of secondary circuit control that isolated variable produces reliable and stable to cell plate voltage by the high low pressure conversion electric power.Liquid crystal display can each parameter of display system, and can pass through each major parameter of keyboard to set up system, further guarantees security of system, sets through parameter to make system have more versatility.The type selecting of water pump mainly has more concrete service condition and selects the frequency of utilization broad, and simple water pump best in quality, easy to maintenance is to guarantee the working life of whole system.
Description of drawings
Fig. 1 is the circuit theory diagrams of the utility model.
Embodiment
As shown in Figure 1; It is a kind of not with the solar energy frequency conversion of the energy storage device control system of pumping up water that the utility model provides, and said control system is by solar panel array PV 1, collector-shoe gear HL 2; The direct current sky is opened K 3, high low pressure conversion electric power DC-DC 4; Signal gathering unit 5, Signal Spacing converter unit XB 6, microprocessor control unit MCU 7, frequency variator VF 8 and motor M 9, water pump SB 10 form, and do not dispose energy storage device, and solar panel array PV imports collector-shoe gear HL after series parallel connection; Collector-shoe gear HL remittance abroad one tunnel is connected to the direct current sky and opens K; The direct current sky is opened K and is exported 2 road circuit, wherein one the tunnel is connected to frequency variator VF direct-flow input end+V and-V, another road be connected to high low pressure conversion electric power DC-DC+V and-V port; Inverter output terminal V link to each other with 3 phase motor M, motor M is connected with water pump SB; Motor drags the water pump rotation, reaches the purpose of pumping up water.High low pressure conversion electric power DC-DC changes high voltage variable into 24VDC, 12VDC and 5VDC power supply and supplies power to system; Signal gathering unit is connected, gathers cell plate voltage, electric current, power converter output with battery plate and frequency variator and delivers to Signal Spacing and gather converter unit XB; After Signal Spacing collection converter unit XB isolates conversion to each signal; Deliver to microprocessor control unit MCU; After microprocessor control unit MCU carries out calculation process to the signal of sending into, produce output frequency and the output power of corresponding PWM control frequency variator VF.Thereby the output power that makes frequency variator follow closely battery plate output power variation and change, reach maximum purpose of following the tracks of battery plate output power and the maximum amount of pumping up water.
Said microprocessor control unit MCU connects liquid crystal display SX 11.
The working principle of the utility model is: solar array output is opened to frequency variator through direct current collector-shoe gear and direct current sky; Frequency variator is according to the given pwm signal adjustment output frequency of microprocessor unit; The Ac that the direct current that sends solar array converts different frequency and amplitude to offers water pump, and pump operation is pumped up water.Microprocessor unit is handled from the row operation of going forward side by side of each signal of Signal Spacing converter unit collecting system; Adopt cell plate voltage tracking and power converter output to follow the tracks of combined tracking technology and the output frequency that approaches the corresponding pwm signal control of solar battery maximum power point technology generation frequency variator one by one; The output frequency of frequency variator can in time be changed according to solar illuminating intensity and variation of temperature, reach the purpose that maximum is pumped up water.Secondary circuit control power supply is undertaken the required power supply of secondary circuit control that isolated variable produces reliable and stable to cell plate voltage by the high low pressure conversion electric power.Liquid crystal display can each parameter of display system, and can pass through each major parameter of keyboard to set up system, further guarantees security of system, sets through parameter to make system have more versatility.The type selecting of water pump mainly has more concrete service condition and selects the frequency of utilization broad, and simple water pump best in quality, easy to maintenance is to guarantee the working life of whole system.
What should explain at last is: obviously, the foregoing description only be for explain clearly that the utility model does for example, and be not qualification to mode of execution.For the those of ordinary skill in affiliated field, on the basis of above-mentioned explanation, can also make other multi-form variation or change.Here need not also can't give exhaustive to all mode of executions.And conspicuous variation of being amplified out thus or change still are among the protection domain of the utility model.
Claims (2)
1. one kind with the solar energy frequency conversion of the energy storage device control system of pumping up water, and it is characterized in that: said control system is by solar panel array, collector-shoe gear; The direct current sky is opened, the high low pressure conversion electric power; Signal gathering unit, Signal Spacing converter unit, microprocessor control unit, frequency variator and motor, water pump are formed, and do not dispose energy storage device, and solar panel array imports collector-shoe gear after series parallel connection; Collector-shoe gear remittance abroad one tunnel is connected to the direct current sky and opens; The direct current sky is opened output 2 road circuit, wherein one the tunnel is connected to frequency variator direct-flow input end, and another road is connected to the port of high low pressure conversion electric power; Inverter output terminal links to each other with motor, and motor is connected with water pump; The high low pressure conversion electric power changes high voltage variable into low tension power supply and supplies power to system; Signal gathering unit is connected, gathers cell plate voltage, electric current, power converter output with battery plate and frequency variator and delivers to Signal Spacing and gather converter unit; After Signal Spacing collection converter unit is isolated conversion to each signal; Deliver to microprocessor control unit; After microprocessor control unit is carried out calculation process to the signal of sending into, produce the output frequency and the output power of control signal corresponding control frequency variator.
2. as claimed in claim 1 not with the solar energy frequency conversion of the energy storage device control system of pumping up water, it is characterized in that: said microprocessor control unit connects liquid crystal display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220155616 CN202597129U (en) | 2012-04-13 | 2012-04-13 | Solar variable-frequency water pumping control system without energy storage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220155616 CN202597129U (en) | 2012-04-13 | 2012-04-13 | Solar variable-frequency water pumping control system without energy storage device |
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| Publication Number | Publication Date |
|---|---|
| CN202597129U true CN202597129U (en) | 2012-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220155616 Expired - Fee Related CN202597129U (en) | 2012-04-13 | 2012-04-13 | Solar variable-frequency water pumping control system without energy storage device |
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| Country | Link |
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| CN (1) | CN202597129U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103208777A (en) * | 2013-03-26 | 2013-07-17 | 攀枝花晶能太阳能科技有限公司 | Method for intelligently detecting water level and realizing fuzzy control in photovoltaic pumping system |
| US9436201B1 (en) | 2015-06-12 | 2016-09-06 | KarmSolar | System and method for maintaining a photovoltaic power source at a maximum power point |
-
2012
- 2012-04-13 CN CN 201220155616 patent/CN202597129U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103208777A (en) * | 2013-03-26 | 2013-07-17 | 攀枝花晶能太阳能科技有限公司 | Method for intelligently detecting water level and realizing fuzzy control in photovoltaic pumping system |
| US9436201B1 (en) | 2015-06-12 | 2016-09-06 | KarmSolar | System and method for maintaining a photovoltaic power source at a maximum power point |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121212 Termination date: 20150413 |
|
| EXPY | Termination of patent right or utility model |