CN106130434B - It is a kind of to utilize solar powered pump motor control system - Google Patents
It is a kind of to utilize solar powered pump motor control system Download PDFInfo
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- CN106130434B CN106130434B CN201610631362.XA CN201610631362A CN106130434B CN 106130434 B CN106130434 B CN 106130434B CN 201610631362 A CN201610631362 A CN 201610631362A CN 106130434 B CN106130434 B CN 106130434B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 238000001514 detection method Methods 0.000 claims abstract description 28
- 239000003990 capacitor Substances 0.000 claims description 18
- 230000005611 electricity Effects 0.000 claims description 12
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 238000001914 filtration Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
- H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters
- H02P27/08—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters with pulse width modulation
- H02P27/085—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters with pulse width modulation wherein the PWM mode is adapted on the running conditions of the motor, e.g. the switching frequency
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
- H02S40/32—Electrical components comprising DC/AC inverter means associated with the PV module itself, e.g. AC modules
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
- Control Of Electrical Variables (AREA)
Abstract
It is a kind of to utilize solar powered pump motor control system, including solar components, DC-DC boost module, DC-AC inverter module, load pump motor, pwm control circuit, voltage detecting circuit, current detection circuit, power supply unit, photovoltaic UI sample circuit, CPU control unit and water level detection circuit.Solar components output access DC-DC boost module, power supply unit is pwm control circuit, DC-AC inverter module and CPU control unit provide direct-current power supply；DC-DC boosting mould connects DC-AC inverter module, and the output of DC-AC inverter module connects load pump motor, and voltage detecting circuit connects the output of DC-DC boost module with current detection circuit, and detection signal is sent into pwm control circuit；The input of photovoltaic UI sample circuit connects solar components, and output connects CPU control unit；The output of CPU control unit is sent to DC-AC inverter module；The system has high energy source utilization rate, stiff stability and system bulk small, at low cost；Structure has versatility, there is good application value.
Description
Technical field
The present invention relates to a kind of using solar powered pump motor control system, belongs to application of solar.
Background technique
In recent years, application of solar energy technology is applied in market and is got the attention on development & production.Solar water pump
System is as a kind of system for gathering a variety of subject high-tech one, in domestic water, the field irrigation etc. for solving to lack area
Different occasions have very big practical significance.Solar water pump technology had not only been able to achieve the sustainable development of the energy, but also can promote to work as
It the economic development on ground and improves the ecological environment.
In general, solar energy water pumping system is made of solar energy transformation and pump motor control, corresponding control method is taken
Realize the maximum power output of solar battery, control system controls pump motor work, and realization takes from water sources such as deep-well, rivers
Water, with water resident living or industrial production.Since solar energy output voltage is with ambient temperature, intensity of illumination etc. it is meteorological because
Element influences constantly variation, and the existing solar energy water pump control system for mostly using general purpose controller greatly, energy utilization rate and system are steady
It is qualitative and other effects all undesirable.Therefore, the output power of solar components how to be enable to keep at any time under the present circumstances most
Big value takes corresponding control strategy to realize the efficient stable operation of water pump system, is the project for being worth further investigation.
Summary of the invention
The object of the present invention is to for overcome the deficiencies in the prior art, provides and a kind of utilize solar powered water pump electricity
Machine control system improves solar energy utilization ratio and realizes the reliable and stable operation of system.
Realize that technical scheme is as follows：A kind of using solar powered pump motor control system includes the sun
It can component, DC-DC boost module, DC-AC inverter module, load pump motor, pwm control circuit, voltage detecting circuit, electric current
Detection circuit, power supply unit, photovoltaic UI sample circuit, CPU control unit and water level detection circuit.
Entire control system of water pump provides power supply by solar components, and solar components output end connects power supply list
Member, other end output are connected to DC-DC boost module；Power supply unit is that pwm control circuit, DC-AC inverter module and CPU control are single
Member provides corresponding direct-current power supply；DC-DC boost module output end is connected with the input terminal of DC-AC inverter module；DC-AC
Inverter module output end then loads pump motor；Voltage detecting circuit and current detection circuit are for acquiring DC-DC boosting mould
Output voltage, the electric current of block, are entered into pwm control circuit；The input terminal and solar components of photovoltaic UI sample circuit
Output end is connected, and output end connects CPU control unit；Water level detection circuit will test water level signal and send into CPU control unit；
The output end of CPU control unit is connected with DC-AC inverter module.
The DC-DC boost module uses the push-pull circuit of full-bridge type rectifying and wave-filtering output, including input electric capacity of voltage regulation C1,
High frequency transformer, high-voltage circuit breaker pipe,, rectifier diode、、、, output inductor L, filter capacitor
C2；DC-DC boost module, which is used to boosting to the DC voltage 48V that the solar components export into 350V, stablizes output.
The pwm control circuit includes current-mode control chip SG3525, peripheral resistor capacitor circuit and with chip
The voltage controller of LM358, photosensitive coupler composition；2,3 pin input ends of chip LM358 are the small signals of voltage of 2.5V,
The output end 1 of chip LM358 is connected to the cathode of light emitting diode in photosensitive coupler by resistance R5；It shines in photosensitive coupler
The anode of diode connects+12V operating voltage, and the collector of illuminated triode passes through resistance R22 access control in photosensitive coupler
The pin 2 of chip SG3525, the emitter ground connection of illuminated triode, base stage are not drawn；The electricity of the current detection circuit acquisition
Flow signal by resistance R20 access control chip SG3525 pin 1, pin 5,6,7 distinguish external capacitor C8, resistance R33 and
Resistance R30 determines the sawtooth wave frequency rate of SG3525, and pin 12 is directly grounded, and pin 8,16 passes through C12, C7 shunt capacitance respectively
Ground connection, pin 13,15 connect+12V operating voltage, and pin 11 and pin 14 are the PWM delivery outlets of pwm control circuit, output PWM control
In signal access DC-DC boost module processed.
The DC-AC inverter module is to be equipped with necessary peripheral hardware circuit with voltage-type intelligent power module to form,
The 350V stable high voltage of the DC-DC boost module output accesses DC-AC inverter module, as its direct-current input power supplying；It is described
6 road pwm signals of CPU control unit output access DC-AC inverter module, directly drive inside intelligent power module
IGBT power tube exports corresponding exchange and is electrically accessed the load pump motor.
The CPU control unit is realized using 16 8-digit microcontroller chip SPMC75F series monolithics, is integrated with high-performance
Common features module, the strong antijamming capability such as kernel unit, serial line interface, the programmable port I/O answered suitable for motor control
With operating voltage is 4.5V ~ 5.5V, and arithmetic speed is 0 ~ 24MHz；The input signal of CPU control unit is that the photovoltaic UI is adopted
The water level signal of voltage and current signal and water level detection circuit acquisition that sample circuit is collected, exports corresponding PWM control letter
Number it is connected to DC-AC inverter module.
The voltage detecting circuit is by optocoupler OP1A, optocoupler OP1B, amplifier A1A, amplifier A1B and necessary resistance electricity
Hold composition；Anode of the end voltage signal SP through light emitting diode in resistance R61 access optocoupler OP1A, the end voltage signal SN is through resistance
R62 accesses the cathode of light emitting diode in optocoupler OP1A, and the collector of illuminated triode meets operating voltage+12V in optocoupler OP1A,
Emitter is grounded through resistance R63；The anode 3 of amplifier A1A is connected with the emitter of illuminated triode in optocoupler OP1A, and negative terminal 2 passes through
Resistance R65 accesses the emitter of optocoupler OP1B illuminated triode, light emitting diode in the output end access optocoupler OP1B of amplifier A1A
Anode；The cathode of light emitting diode is grounded through resistance R64 in optocoupler OP1B, the collector of illuminated triode connect operating voltage+
The emitter of 12V, illuminated triode are grounded through resistance R66；The anode 5 of amplifier A1B is through in resistance R67 and optocoupler OP1B luminous two
The cathode of pole pipe is connected, and the output end 7 of negative terminal 6 and amplifier A1B are shorted, and output end 7 exports voltage signal detected and send to institute
It states in pwm control circuit.
The current detection circuit is realized using Hall current sensor, and output connects an amplifier and corresponding resistance electricity
Corresponding current signal is generated after appearance to send into the pwm control circuit.
The current detection circuit is made of Hall current sensor, operational amplifier and corresponding resistor capacitor；Hall electricity
Flow sensor output is connected through the anode 3 of resistance R42 and operational amplifier, and the negative terminal 2 and output end 1 of operational amplifier are shorted shape
At negative-feedback, the output end 1 of operational amplifier is sent through the current signal Id of resistance R44 capacitor C42 output acquisition to the PWM
In control circuit.
The photovoltaic UI sample circuit is made of the voltage detecting circuit and the current detection circuit, for acquiring
The output voltage and output electric current for stating solar components, are input in the CPU control unit, for calculating the solar energy
The output power of component realizes maximal power tracing control.
The power supply unit is the multiple-channel output direct current source being made of Master control chip UC3844, can be realized entire system
5 road DC power supply 5V, 15V needed for system ,+12Vl ,+12V2 and -12V2 output；Wherein, the input of the power supply unit be by
The solar components provide；The 5V of the power supply unit is exported to power to the CPU control unit, and 15V is exported to the DC-
The power supply of AC inverter module, 12V1 to the main control chip UC3844 power supply inside the power supply unit ,+12V2 and -12V2 export to
The power supply of other chips.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention uses 16 8-digit microcontroller chip SPMC75F systems
The CPU control unit of column chip microcontroller is constituted DC-AC inverter module, by master control coremaking with voltage-type intelligent power module
The multiple-channel output direct current source unit that piece UC3844 is constituted and the DC-DC boost module using the output of full-bridge type rectifying and wave-filtering, it is real
The efficient stable operation of control system is showed；The invention discloses a kind of using solar powered pump motor control system,
It can adapt to various complicated environmental conditions, energy utilization rate with higher and good stability；The present invention provides simultaneously
Control system architecture there is versatility, a variety of variable voltage variable frequencies using motor can be met and controlled, system cost is low, economical and practical
Property is strong, there is good application value.
Detailed description of the invention
Fig. 1 is system structure diagram of the invention；
Fig. 2 is the circuit diagram of DC-DC boost module in the present invention；
Fig. 3 is the circuit diagram of pwm control circuit in the present invention；
Fig. 4 is the circuit diagram of voltage detecting circuit in the present invention；
Fig. 5 is the circuit diagram of current detection circuit in the present invention.
Specific embodiment
The present invention is described in detail for control attached drawing with reference to embodiments.
As shown in Figure 1, a kind of utilize solar powered pump motor control system, including solar components, DC-DC liter
Die block, DC-AC inverter module, load pump motor, pwm control circuit, voltage detecting circuit, current detection circuit, power supply
Unit, photovoltaic UI sample circuit, CPU control unit and water level detection circuit.
The energy supply of entire pump motor control system is provided by solar components, the size and environment of output power
The meteorologic factors such as temperature, intensity of illumination are related, the DC low-voltage 48V of solar components output（40 ~ 50V of input voltage range）
It is linked into DC-DC boost module, another way is introduced into power supply unit, and the multi-channel dc power supply for meeting internal system needs is defeated
Out.The main circuit of DC-DC boost module selects push-pull circuit, is responsible for boosting to the DC voltage stability of solar components
350V；Pwm control circuit samples the output voltage electric current of DC-DC boost module by voltage detecting circuit and current detection circuit
Signal, the control chip SG3525 fed back in pwm control circuit generates two-way complementation PWM drive signal, for controlling DC-DC
The turn-on time of the high-voltage circuit breaker pipe of boost module, makes output voltage stabilization in 350V.Photovoltaic UI sample circuit is for real
The maximal power tracing of existing solar components, the i.e. control section MPPT acquire solar components by photovoltaic UI sample circuit
The voltage and current signal of output is sent to CPU main control unit, completes solar components most in conjunction with corresponding MPPT control algolithm
High-power tracing control；The function of DC-AC inverter module is based on space vector of voltage（SVPWM）Modulation technique is by DC-DC
The DC high voltage of boost module output is changed into the alternating current of variable voltage variable frequency, the SVPWM waveform generator in CPU main control unit
The 6 road PWM start pulse signals generated control the duty cycle adjustment DC-AC inversion mould of power switch tube in DC-AC inverter module
The output voltage and frequency of block adjust pump motor turn to control output power and the torque of water pump load motor to reach
Speed；System load is centrifugal water pump, drives water pump using ac three-phase asynchronous motor.Water level detection circuit is for preventing water level
Decline water pump, which can not draw water, causes motor idle running damage, and collected water level signal is sent into CPU main control unit, pulse is controlled
Signal output is to realize the defencive function of water pump system.
As shown in Fig. 2, the DC-DC boost module uses the push-pull circuit of full-bridge type rectifying and wave-filtering output, including input
Electric capacity of voltage regulation C1, high frequency transformer, high-voltage circuit breaker pipe,, rectifier diode、、、, output inductor
L, filter capacitor C2；In high frequency transformer, high-voltage circuit breaker pipe,It is motivated by driving circuit with PWM mode
On-off is controlled, in power switch tubeWithDrain electrode generate periodic square-wave signal, i.e., exported in high frequency transformer secondary
Periodic square-wave signal exports stable 350V DC high voltage after full-bridge type current rectifying and wave filtering circuit.Entire boost module
Only 2 power tubes is needed to realize, loss is inefficient high, substantially reduces system bulk and cost.
As shown in figure 3, the pwm control circuit include current-mode control chip SG3525, peripheral resistor capacitor circuit with
And it is formed with chip LM358, photosensitive coupler；2,3 pin input ends of chip LM358 are the small signal of voltage of 2.5V, chip
The output end 1 of LM358 is connected to the cathode of light emitting diode in photosensitive coupler by resistance R5；Light-emitting diodes in photosensitive coupler
The anode of pipe connects+12V operating voltage, and the collector of illuminated triode passes through resistance R22 access control chip in photosensitive coupler
The pin 2 of SG3525, the emitter ground connection of illuminated triode, base stage are not drawn；The electric current letter of the current detection circuit acquisition
Number by the pin 1 of resistance R20 access control chip SG3525, pin 5,6,7 distinguishes external capacitor C8, resistance R33 and resistance
R30 determines the sawtooth wave frequency rate of SG3525, and pin 12 is directly grounded, and pin 8,16 is grounded by C12, C7 shunt capacitance respectively,
Pin 13,15 connects+12V operating voltage, and pin 11 and pin 14 are the PWM delivery outlets of pwm control circuit, output PWM control letter
Number access DC-DC boost module in.
Voltage error signal is obtained via voltage detecting circuit, is sent into pwm control circuit and controls drawing for chip SG3525
Foot 2 is used as controller Setting signal；The output current signal that current detection circuit is sampled is sent to the pin 1 of SG3525
As feedback signal, the two compares generation error signal, send into control chip SG3525 oscillator and generates two-way complementation PWM drive
Dynamic signal, send the high-voltage circuit breaker pipe into DC-DC boost module respectively after amplifier is amplified,Grid controls two function
Rate pipe opens shutdown.When DC-DC boost module output voltage increases, pwm control circuit will control pwm pulse signal output
The time being positive is elongated, so that the turn-on time of power tube shortens, thus make DC-DC boost module output voltage stabilization, and it is on the contrary
?.
As shown in figure 4, the voltage detecting circuit is by optocoupler OP1A, optocoupler OP1B, amplifier A1A, amplifier A1B and must
The resistance capacitance composition wanted；Anode of the end voltage signal SP through light emitting diode in resistance R61 access optocoupler OP1A, voltage signal
The cathode of light emitting diode in optocoupler OP1A is accessed at the end SN through resistance R62, and the collector of illuminated triode connects work in optocoupler OP1A
Make voltage+12V, emitter is grounded through resistance R63；The emitter phase of the anode 3 of amplifier A1A and illuminated triode in optocoupler OP1A
Even, the output end of emitter of the negative terminal 2 through resistance R65 access optocoupler OP1B illuminated triode, amplifier A1A accesses in optocoupler OP1B
The anode of light emitting diode；The cathode of light emitting diode is grounded through resistance R64 in optocoupler OP1B, and the collector of illuminated triode connects
The emitter of operating voltage+12V, illuminated triode are grounded through resistance R66；The anode 5 of amplifier A1B is through resistance R67 and optocoupler
The cathode of light emitting diode is connected in OP1B, and the output end 7 of negative terminal 6 and amplifier A1B are shorted, and output end 7 exports electricity detected
Pressure signal is sent into the pwm control circuit.
As shown in figure 5, the current detection circuit includes Hall current sensor, operational amplifier and corresponding resistor electricity
Hold；Hall current sensor output is connected through the anode 3 of resistance R42 and operational amplifier, the negative terminal 2 of operational amplifier and output
End 1, which is shorted, forms negative-feedback, and the output end 1 of operational amplifier is sent through the current signal Id of resistance R44 capacitor C42 output acquisition
To in the pwm control circuit.The detection of electric current realizes that precision is high and has good dynamic using Hall current sensor
Energy.
It is provided by the invention a kind of using solar powered pump motor control system, adapt to various complex environment items
Part, realize system high energy source utilization rate and good stability；While the system bulk is small, at low cost and economic and practical
By force；Structure has versatility, can meet a variety of variable voltage variable frequencies using motor and control, there is good application value.
Undeclared part involved in the present invention is same as the prior art or is realized using the prior art.
Claims (4)
1. a kind of utilize solar powered pump motor control system, which is characterized in that the system comprises solar components,
DC-DC boost module, DC-AC inverter module, load pump motor, pwm control circuit, voltage detecting circuit, current detecting electricity
Road, power supply unit, photovoltaic UI sample circuit, CPU control unit and water level detection circuit；
The solar components output end connects power supply unit, and other end output is connected to DC-DC boost module；The power supply unit
Corresponding direct-current power supply is provided for pwm control circuit, DC-AC inverter module and CPU control unit；The DC-DC boosting
Module output end is connected with the input terminal of DC-AC inverter module；The DC-AC inverter module output end then loads water pump electricity
Machine；The input terminal of the voltage detecting circuit and the input terminal of current detection circuit all connect the output end of DC-DC boost module,
The output of voltage detecting circuit and current detection circuit is connected into pwm control circuit；The input terminal of the photovoltaic UI sample circuit
It is connected with solar components output end, output end connects CPU control unit；The water level detection circuit will test water level signal and send
Into CPU control unit；The output end of the CPU control unit is connected with DC-AC inverter module；
The pwm control circuit include current-mode control chip SG3525, peripheral resistor capacitor circuit and with chip LM358,
The voltage controller of photosensitive coupler composition；Chip LM358 pin 2, pin 3 input terminal be the small signal of voltage of 2.5V, core
The output end 1 of piece LM358 is connected to the cathode of light emitting diode in photosensitive coupler by resistance R5；Luminous two in photosensitive coupler
The anode of pole pipe connects+12V operating voltage, and the collector of illuminated triode passes through resistance R22 access control core in photosensitive coupler
The pin 2 of piece SG3525, the emitter ground connection of illuminated triode, base stage are not drawn；The electric current of the current detection circuit acquisition
Pin 1 of the signal by resistance R20 access control chip SG3525, the difference of pin 5,6,7 external capacitor C8, resistance R33 and electricity
The one end for hindering R30, determines the sawtooth wave frequency rate of SG3525；Another foot connecting resistance R25 and control chip of external capacitor C8
The pin 1 of SG3525 connects, and another foot ground connection of resistance R33, the other end of resistance R30 is connect with one end of capacitor C13, capacitor
The other end of C13 is grounded；Pin 12 is directly grounded, and pin 8 and pin 16 are connect by shunt capacitance C12 and shunt capacitance C7 respectively
Ground, pin 13, pin 15 connect+12V operating voltage, and pin 11 and pin 14 are the PWM delivery outlets of pwm control circuit, export PWM
It controls in signal access DC-DC boost module.
2. a kind of solar powered pump motor control system is utilized according to claim 1, which is characterized in that described
Voltage detecting circuit is made of optocoupler OP1A, optocoupler OP1B, amplifier A1A, amplifier A1B and necessary resistance capacitance；Voltage
Anode of the end signal SP through light emitting diode in resistance R61 access optocoupler OP1A, optocoupler is accessed through resistance R62 in the end voltage signal SN
The cathode of light emitting diode in OP1A, the collector of illuminated triode connects operating voltage+12V, emitter through electricity in optocoupler OP1A
Hinder R63 ground connection；The anode of amplifier A1A is connected with the emitter of illuminated triode in optocoupler OP1A, and negative terminal accesses light through resistance R65
The emitter of coupling OP1B illuminated triode, the output end of amplifier A1A access the anode of light emitting diode in optocoupler OP1B；Optocoupler
The cathode of light emitting diode is grounded through resistance R64 in OP1B, and the collector of illuminated triode connects operating voltage+12V, three pole of light
The emitter of pipe is grounded through resistance R66；Cathode phase of the anode of amplifier A1B through light emitting diode in resistance R67 and optocoupler OP1B
Even, the output end of negative terminal and amplifier A1B are shorted, and the voltage signal of output end output is sent into the pwm control circuit.
3. a kind of solar powered pump motor control system is utilized according to claim 1, which is characterized in that described
Current detection circuit is made of Hall current sensor, operational amplifier and corresponding resistor capacitor；Hall current sensor output
It is connected through the anode of resistance R42 and operational amplifier, the negative terminal and output end of operational amplifier are shorted to form negative-feedback, and operation is put
Current signal Id of the output end of big device through the output acquisition of resistance R44 capacitor, send into the pwm control circuit；Resistance R44 is also
It is connect with one end of the anode of diode D41 and capacitor C42, the cathode of diode D41 is connect with 5V voltage end, capacitor C42's
Other end ground connection.
4. a kind of solar powered pump motor control system is utilized according to claim 1, which is characterized in that described
Power supply unit is the multiple-channel output direct current source being made of Master control chip UC3844, be can be realized required inside whole system
Five road DC power supply 5V, 15V ,+12Vl ,+12V2 and -12V2；Wherein, the input of the power supply unit is by the solar energy group
Part provides；The 5V of the power supply unit is exported to power to the CPU control unit, and 15V is exported to be supplied to the DC-AC inverter module
Electricity, 12V1 are exported and are powered to other chips to the main control chip UC3844 power supply inside the power supply unit ,+12V2 and -12V2.
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| CN201610631362.XA CN106130434B (en) | 2016-08-04 | 2016-08-04 | It is a kind of to utilize solar powered pump motor control system |
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| CN201610631362.XA CN106130434B (en) | 2016-08-04 | 2016-08-04 | It is a kind of to utilize solar powered pump motor control system |
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|---|---|---|---|---|
| KR101881730B1 (en) * | 2016-12-14 | 2018-07-25 | 엘에스산전 주식회사 | Method for controlling inverter in solar pump system |
| CN107579669A (en) * | 2017-09-18 | 2018-01-12 | 合肥华耀电子工业有限公司 | A kind of AC/DC output voltages regulated power supply |
| CN109327044B (en) | 2018-04-23 | 2021-07-09 | 矽力杰半导体技术(杭州)有限公司 | Power conversion circuit, inverter circuit, photovoltaic power generation system and control method thereof |
| CN108777502A (en) * | 2018-06-27 | 2018-11-09 | 佛山市诺行科技有限公司 | A kind of accumulator direct-furnish driving device of lift-sliding parking equipment |
| CN108847804A (en) * | 2018-06-27 | 2018-11-20 | 佛山市诺行科技有限公司 | A kind of solar battery direct-furnish driving device of bicycle position parking apparatus |
| CN108832866A (en) * | 2018-06-27 | 2018-11-16 | 佛山市诺行科技有限公司 | A kind of solar battery direct-furnish driving device of lift-sliding parking equipment |
| CN108847806A (en) * | 2018-06-27 | 2018-11-20 | 佛山市诺行科技有限公司 | A kind of battery direct-furnish driving device of bicycle position parking apparatus |
| CN108843097A (en) * | 2018-06-27 | 2018-11-20 | 佛山市诺行科技有限公司 | A kind of battery direct-furnish driving device of transverse shifting ascending and descending parking device |
| CN109947046A (en) * | 2019-04-17 | 2019-06-28 | 安阳工学院 | A kind of numerically-controlled machine tool intelligent monitor system based on Internet of Things |
| CN112865281B (en) * | 2021-01-15 | 2023-01-24 | 深圳市威凯特科技有限公司 | Solar power generation and voltage boosting daily-use electrical appliance working circuit |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201730811U (en) * | 2010-03-10 | 2011-02-02 | 扬州大学 | Photovoltaic water pump controller |
| CN201916174U (en) * | 2011-01-19 | 2011-08-03 | 衡阳师范学院 | Two-line type water shortage protection water level controller |
| CN102255332A (en) * | 2011-06-29 | 2011-11-23 | 黄俊嘉 | On-grid inverter |
| CN202840997U (en) * | 2012-09-03 | 2013-03-27 | 湖州太源绿能科技有限公司 | Mini-type photovoltaic inverter with composite three-level structure and based on DSP |
| CN202856652U (en) * | 2012-09-28 | 2013-04-03 | 深圳市天源新能源有限公司 | Photovoltaic pumping inverter and photovoltaic pumping system |
| CN204258690U (en) * | 2014-12-04 | 2015-04-08 | 无锡科技职业学院 | A kind of photovoltaic water-raising system |
| US9065364B2 (en) * | 2011-05-26 | 2015-06-23 | Mitsubishi Electric Corporation | Motor control device |
| CN205986699U (en) * | 2016-08-04 | 2017-02-22 | 国网江西省电力公司电力科学研究院 | Utilize water pump motor control system of solar energy power supply |
-
2016
- 2016-08-04 CN CN201610631362.XA patent/CN106130434B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201730811U (en) * | 2010-03-10 | 2011-02-02 | 扬州大学 | Photovoltaic water pump controller |
| CN201916174U (en) * | 2011-01-19 | 2011-08-03 | 衡阳师范学院 | Two-line type water shortage protection water level controller |
| US9065364B2 (en) * | 2011-05-26 | 2015-06-23 | Mitsubishi Electric Corporation | Motor control device |
| CN102255332A (en) * | 2011-06-29 | 2011-11-23 | 黄俊嘉 | On-grid inverter |
| CN202840997U (en) * | 2012-09-03 | 2013-03-27 | 湖州太源绿能科技有限公司 | Mini-type photovoltaic inverter with composite three-level structure and based on DSP |
| CN202856652U (en) * | 2012-09-28 | 2013-04-03 | 深圳市天源新能源有限公司 | Photovoltaic pumping inverter and photovoltaic pumping system |
| CN204258690U (en) * | 2014-12-04 | 2015-04-08 | 无锡科技职业学院 | A kind of photovoltaic water-raising system |
| CN205986699U (en) * | 2016-08-04 | 2017-02-22 | 国网江西省电力公司电力科学研究院 | Utilize water pump motor control system of solar energy power supply |
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|---|---|
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