CN106014953B - The photovoltaic water pump controller and control method of automatic preheating - Google Patents
The photovoltaic water pump controller and control method of automatic preheating Download PDFInfo
- Publication number
- CN106014953B CN106014953B CN201610597022.XA CN201610597022A CN106014953B CN 106014953 B CN106014953 B CN 106014953B CN 201610597022 A CN201610597022 A CN 201610597022A CN 106014953 B CN106014953 B CN 106014953B
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- China
- Prior art keywords
- water pump
- photovoltaic
- temperature
- photovoltaic water
- pump controller
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B1/00—Details of electric heating devices
- H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
- H05B1/0227—Applications
- H05B1/023—Industrial applications
- H05B1/0244—Heating of fluids
-
- 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
- F04B2207/00—External parameters
- F04B2207/03—External temperature
-
- 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
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Inverter Devices (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The present invention is the photovoltaic water pump controller and control method of automatic preheating.It includes being connected to the photovoltaic water pump controller between photovoltaic cell component and photovoltaic water pump on photovoltaic input cable, in photovoltaic water pump controller inverter circuit is controlled for photovoltaic water pump, it is characterized in that setting up a set of direct current electrical heating elements heated to photovoltaic water pump controller powered by photovoltaic cell component, the power supply of direct current electrical heating elements is controlled by DC relay；Set up a set of temperature detection control circuit powered by photovoltaic cell component；The temperature sensor of detection photovoltaic water pump controller internal temperature in real time is connected with temperature detection control circuit, temperature detection control circuit control DC relay is turned on or off the connections of photovoltaic cell component and direct current electrical heating elements, when detecting the temperature of photovoltaic water pump controller higher than the minimum temperature for starting photovoltaic water pump operation, temperature detection control circuit sends device ready signal, photovoltaic water pump operation to photovoltaic water pump control inverter circuit.
Description
Technical field
The present invention relates to a kind of photovoltaic water pump controller, the photovoltaic water pump controller of especially a kind of automatic preheating and control
Method.
Background technology
One of core component as water pumping system, photovoltaic water pump controller in whole water pumping system to operational efficiency,
The factor of reliability and life-span important.When photovoltaic water pump system is applied in high and cold or high altitude localities, morning is too
It is manly just to rise, when photovoltaic water pump controller prepares to start photovoltaic water pump, the temperature inside photovoltaic water pump controller be possible to-
Less than 10 DEG C, it could even be possible to less than -20 DEG C.Start photovoltaic water pump control inverter circuit output in this case, it will
Serious influence is caused to elements such as the electronic component inside photovoltaic water pump controller, particularly electrochemical capacitors, is gently then caused
The photovoltaic water pump controller lost of life, heavy then cause component to burn, controller failure.Therefore, design it is a kind of be adapted to it is high and cold or
Application of the photovoltaic water pump controller that high altitude localities uses for photovoltaic water pump is very necessary, and these remote height
Cold or high altitude localities especially need water pumping system and so far because cold-starting problem is not effectively promoted and made
Key point.
The content of the invention
It is an object of the invention in the case where having substantially no effect on photovoltaic water pump whole day entirety water yield, utilize photovoltaic group
The less strong electric energy that part morning sends, for the preheating of photovoltaic water pump controller itself, prevent controller internal temperature in the morning
Spend it is low in the case of run caused by damage, improve equipment dependability, extend controller service life.
In order to reach above-mentioned technical requirements, the photovoltaic water pump controller of automatic preheating of the invention is by following technical side
What case was realized:It includes being connected to the photovoltaic water pump control between photovoltaic cell component and photovoltaic water pump on photovoltaic input cable
Device, photovoltaic water pump controller is interior to control inverter circuit for photovoltaic water pump, it is characterized in that setting up a set of to photovoltaic water pump controller
The direct current electrical heating elements heated, direct current electrical heating elements are powered by photovoltaic cell component, and photovoltaic cell component is to direct current
The power supply of electrical heating elements is controlled by DC relay；Set up a set of temperature detection control circuit, and with photovoltaic input cable phase
Connection, temperature detection control circuit are powered by photovoltaic cell component；Real-time detection light is connected with temperature detection control circuit
Lie prostrate the temperature sensor of water pump controller internal temperature, according to the temperature detected, temperature detection control circuit control direct current after
Electrical equipment is turned on or off the connections of photovoltaic cell component and direct current electrical heating elements, when temperature sensor detects photovoltaic water pump control
The temperature of device processed is higher than when presetting the minimum temperature that can start photovoltaic water pump operation, and temperature detection control circuit is to photovoltaic
Water pump control inverter circuit sends the signal of ER equipment ready；When photovoltaic water pump control inverter circuit receives equipment standard
Start photovoltaic water pump operation after standby ready signal.
Described direct current electrical heating elements are resistive direct current electrical heating elements.
The control method of the photovoltaic water pump controller of the automatic preheating：When having faint sunlight morning, sun now
Luminous intensity can also not up to start the degree of photovoltaic water pump operation, and temperature detection control circuit starts to start, temperature after startup
Control circuit revocation ER equipment ready signal is detected, now photovoltaic water pump control inverter circuit will not be powered operation；Temperature
After detecting control circuit startup, temperature sensor detects the real time temperature in current photovoltaic water pump controller, when detection temperature is low
When minimum temperature set in advance, temperature detection control circuit control DC relay, make direct current electrical heating elements and photovoltaic
Battery component connects, and using now not too much strong, is also not enough to start the photovoltaic energy of photovoltaic water pump operation to photovoltaic water pump control
Device processed is internally heated;In heating process, when temperature detection control circuit detects that photovoltaic water pump controller temperature reaches pre-
During the temperature first set, DC relay is disconnected, stops heating, temperature detection control circuit is simultaneously emitted by ER equipment ready
Signal；In the process of heating, the sun gradually rises, and sunlight power is also enhanced, and photovoltaic water pump control inverter circuit obtains
Begin to start photovoltaic water pump normal operation after ER equipment ready signal, after photovoltaic water pump controller is run, due to itself
Heating, the temperature of photovoltaic water pump controller is maintained more than minimum temperature set in advance；In the morning, if temperature detection control
After circuit start processed, when temperature sensor detects that the temperature of photovoltaic water pump controller is higher than predetermined temperature, then do not open
Dynamic direct current electrical heating elements, and directly output equipment standby ready signal, start photovoltaic water pump normal operation.
Present invention utilizes conventional photovoltaic water pump unserviceable morning compared with the photovoltaic module small-power under Low light intensity
Energy is exported, the temperature inside photovoltaic water pump controller is improved before photovoltaic water pump control inverter circuit starts, ensure that
The normal startup optimization of photovoltaic water pump, this invention do not need the energy-storage travelling wave tubes such as extra battery, and avoiding energy-storage travelling wave tube can make
Pollution into system manufacture and the increase of maintenance cost and to environment, and the reliability and service life of system are improved,
Solve in remote high and cold or high altitude localities photovoltaic water pump application problem.
Brief description of the drawings
Fig. 1 is the electrical schematic of the photovoltaic water pump controller of automatic preheating.
In figure：1st, photovoltaic cell component；2nd, photovoltaic water pump；3rd, photovoltaic input cable；4th, photovoltaic water pump controller；5th, direct current
Electrical heating elements；6th, DC relay；7th, temperature detection control circuit；8th, temperature sensor.
Embodiment
The invention will be further described by way of example and in conjunction with the accompanying drawings.
Fig. 1 is the schematic diagram of the photovoltaic water pump controller of automatic preheating.As seen from the figure,
It includes being connected to the photovoltaic water pump control between photovoltaic cell component 1 and photovoltaic water pump 2 on photovoltaic input cable 3
Device 4, inverter circuit is controlled for photovoltaic water pump in photovoltaic water pump controller 4, and set up and a set of photovoltaic water pump controller 4 is carried out
The direct current electrical heating elements 5 of heating, described direct current electrical heating elements 5 are resistive direct current electrical heating elements, and its resistance is R, defeated
It is U to enter direct current photovoltaic voltage, then its caused electrical heating power P=U2/R.Direct current electrical heating elements 5 are supplied by photovoltaic cell component 1
Electricity, power supply of the photovoltaic cell component 1 to direct current electrical heating elements 5 are controlled by DC relay 6；Separately set up a set of temperature detection control
Circuit 7 processed, and be connected with photovoltaic input cable 3, temperature detection control circuit 8 is powered by photovoltaic cell component 1；Examined in temperature
Survey in control circuit 7 and be connected with the temperature sensor 8 of the detection internal temperature of photovoltaic water pump controller 4 in real time, according to TEMP
The temperature that device 8 detects, temperature detection control circuit 8 control DC relay 6 to be turned on or off photovoltaic cell component 1 and direct current
The connection of electrical heating elements 5, preset and can open when temperature sensor 8 detects that the temperature of photovoltaic water pump controller 4 is higher than
During the minimum temperature that dynamic photovoltaic water pump 2 is run, temperature detection control circuit 7 sends equipment to photovoltaic water pump control inverter circuit
Ready signal；Start photovoltaic water pump 2 after photovoltaic water pump control inverter circuit receives ER equipment ready signal
Operation.
The control method of the photovoltaic water pump controller of above-mentioned automatic preheating：When having faint sunlight morning, sun now
Luminous intensity can also not up to start the degree of the operation of photovoltaic water pump 2, and temperature detection control circuit 7 starts to start, warm after startup
Degree detection control circuit 7 cancels ER equipment ready signal, and now photovoltaic water pump control inverter circuit will not be powered operation.Temperature
After degree detection control circuit 7 starts, temperature sensor 8 detects the real time temperature in current photovoltaic water pump controller 4, when detection temperature
When degree is less than minimum temperature set in advance, temperature detection control circuit 7 controls DC relay 6, makes direct current electrical heating elements 6
1 connects with photovoltaic cell group, using now not too much strong, is also not enough to start photovoltaic energy that photovoltaic water pump 2 is run to light
Volt water pump controller 4 is internally heated.In heating process, when temperature detection control circuit 7 detects photovoltaic water pump controller 4
When temperature reaches predetermined temperature, DC relay 6 is disconnected, stops heating, temperature detection control circuit 7 is simultaneously emitted by
ER equipment ready signal.In the process of heating, the sun gradually rises, and sunlight power is also enhanced, and photovoltaic water pump control is inverse
Become after device circuit obtains ER equipment ready signal and begin to start the normal operation of photovoltaic water pump 2, when photovoltaic water pump controller 4 is transported
After row, due to the heating of itself, the temperature of photovoltaic water pump controller 4 is maintained more than minimum temperature set in advance.In morning
On, if after temperature detection control circuit 7 starts, temperature sensor 8 detects that the temperature of photovoltaic water pump controller 4 is higher than and set in advance
During fixed temperature, then do not start direct current electrical heating elements 5, and directly output equipment standby ready signal, starting photovoltaic water pump 2 just
Often operation.
Claims (2)
1. the control method of the photovoltaic water pump controller of automatic preheating, it is characterized in that being：
It includes being connected to the photovoltaic water pump controller between photovoltaic cell component and photovoltaic water pump on photovoltaic input cable, photovoltaic
Inverter circuit is controlled for photovoltaic water pump in water pump controller, sets up a set of direct current heated to photovoltaic water pump controller
Heating element heater, direct current electrical heating elements are powered by photovoltaic cell component, power supply of the photovoltaic cell component to direct current electrical heating elements
Controlled by DC relay；A set of temperature detection control circuit is set up, and is connected with photovoltaic input cable, temperature detection control
Circuit is powered by photovoltaic cell component；Temperature inside detection photovoltaic water pump controller in real time is connected with temperature detection control circuit
The temperature sensor of degree, according to the temperature detected, temperature detection control circuit control DC relay is turned on or off photovoltaic
The connection of battery component and direct current electrical heating elements, when temperature sensor detects the temperature of photovoltaic water pump controller higher than advance
When setting can start the minimum temperature of photovoltaic water pump operation, temperature detection control circuit controls inverter circuit to photovoltaic water pump
Send the signal of ER equipment ready；Start light after photovoltaic water pump control inverter circuit receives ER equipment ready signal
Lie prostrate water pump operation；
Control method：When having faint sunlight morning, sunlight strength now can also not up to start photovoltaic water pump operation
Degree, temperature detection control circuit starts to start, and temperature detection control circuit cancels ER equipment ready signal after startup, this
When photovoltaic water pump control inverter circuit will not be powered operation；After temperature detection control circuit starts, temperature sensor detection is worked as
Real time temperature in preceding photovoltaic water pump controller, when detection temperature is less than minimum temperature set in advance, temperature detection control
Circuit controls DC relay, direct current electrical heating elements is connected with photovoltaic cell component, insufficient using now not too much by force, going back
Photovoltaic water pump controller is internally heated with starting the photovoltaic energy of photovoltaic water pump operation;In heating process, when temperature is examined
Observing and controlling electric circuit inspection to photovoltaic water pump controller temperature reach predetermined temperature when, disconnect DC relay, stop plus
Heat, temperature detection control circuit are simultaneously emitted by ER equipment ready signal；In the process of heating, the sun gradually rises, sunlight work(
Rate is also enhanced, and photovoltaic water pump control inverter circuit begins to starting photovoltaic water pump just after obtaining ER equipment ready signal
Often operation, after photovoltaic water pump controller is run, due to the heating of itself, the temperature of photovoltaic water pump controller is maintained in advance
It is more than the minimum temperature of setting；In the morning, if after temperature detection control circuit startup, temperature sensor detects photovoltaic water pump control
When the temperature of device processed is higher than predetermined temperature, then direct current electrical heating elements are not started, and directly output equipment is ready
Signal, start photovoltaic water pump normal operation.
2. the control method of the photovoltaic water pump controller of automatic preheating according to claim 1, it is characterized in that described is straight
Stream electrical heating elements are resistive direct current electrical heating elements.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610597022.XA CN106014953B (en) | 2016-07-25 | 2016-07-25 | The photovoltaic water pump controller and control method of automatic preheating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610597022.XA CN106014953B (en) | 2016-07-25 | 2016-07-25 | The photovoltaic water pump controller and control method of automatic preheating |
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| CN106014953A CN106014953A (en) | 2016-10-12 |
| CN106014953B true CN106014953B (en) | 2017-11-10 |
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| CN201610597022.XA Active CN106014953B (en) | 2016-07-25 | 2016-07-25 | The photovoltaic water pump controller and control method of automatic preheating |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108087256A (en) * | 2017-12-25 | 2018-05-29 | 陈益德 | A kind of photovoltaic water pump controller of automatic preheating |
| CN111720873A (en) * | 2019-03-20 | 2020-09-29 | 江苏和网源电气有限公司 | Photovoltaic is cloud control heat preservation system for water lift |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102520744A (en) * | 2011-12-12 | 2012-06-27 | 合肥聚能新能源科技有限公司 | Thermostatic control system of photovoltaic constant temperature current transformer |
| EP2528179A1 (en) * | 2011-05-27 | 2012-11-28 | ABB Oy | Converter arrangement and method in connection with converter arrangement |
| CN103257661A (en) * | 2013-06-06 | 2013-08-21 | 无锡上能新能源有限公司 | Preheating dehumidification method applied to photovoltaic inverter |
| DE202014101916U1 (en) * | 2013-04-29 | 2014-05-12 | Sma Solar Technology Ag | Inverter for feeding electrical power into a power grid and photovoltaic system |
| CN204945837U (en) * | 2015-09-11 | 2016-01-06 | 合肥聚能新能源科技有限公司 | A kind of photovoltaic converter thermostatic control system for high and low temperature environment |
| CN205841169U (en) * | 2016-07-25 | 2016-12-28 | 浙江天赐新能源科技有限公司 | The photovoltaic water pump controller of automatic preheating |
-
2016
- 2016-07-25 CN CN201610597022.XA patent/CN106014953B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2528179A1 (en) * | 2011-05-27 | 2012-11-28 | ABB Oy | Converter arrangement and method in connection with converter arrangement |
| CN102520744A (en) * | 2011-12-12 | 2012-06-27 | 合肥聚能新能源科技有限公司 | Thermostatic control system of photovoltaic constant temperature current transformer |
| DE202014101916U1 (en) * | 2013-04-29 | 2014-05-12 | Sma Solar Technology Ag | Inverter for feeding electrical power into a power grid and photovoltaic system |
| CN103257661A (en) * | 2013-06-06 | 2013-08-21 | 无锡上能新能源有限公司 | Preheating dehumidification method applied to photovoltaic inverter |
| CN204945837U (en) * | 2015-09-11 | 2016-01-06 | 合肥聚能新能源科技有限公司 | A kind of photovoltaic converter thermostatic control system for high and low temperature environment |
| CN205841169U (en) * | 2016-07-25 | 2016-12-28 | 浙江天赐新能源科技有限公司 | The photovoltaic water pump controller of automatic preheating |
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| CN106014953A (en) | 2016-10-12 |
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