CN103912470A - Photovoltaic pumping system - Google Patents
Photovoltaic pumping system Download PDFInfo
- Publication number
- CN103912470A CN103912470A CN201410145116.4A CN201410145116A CN103912470A CN 103912470 A CN103912470 A CN 103912470A CN 201410145116 A CN201410145116 A CN 201410145116A CN 103912470 A CN103912470 A CN 103912470A
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- Prior art keywords
- water
- photovoltaic
- vacuum
- pump
- water pump
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Links
- 238000005086 pumping Methods 0.000 title claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 62
- 230000000052 comparative effect Effects 0.000 claims description 3
- 238000003973 irrigation Methods 0.000 description 3
- 230000002262 irrigation Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 235000020681 well water Nutrition 0.000 description 3
- 239000002349 well water Substances 0.000 description 3
- 238000010612 desalination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
Landscapes
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The invention discloses a photovoltaic pumping system which comprises a photovoltaic array, a photovoltaic pumping inverter, a water pump, a reservoir, a switcher, a vacuum pump and a vacuum degree detector. The photovoltaic array is connected with an input end of the photovoltaic pumping inverter by a wire, the water pump is connected with the reservoir by a water pipe, an output end of the photovoltaic pumping inverter and an output end of the vacuum degree detector are respectively connected with an input end of the switcher, and the water pump and the vacuum pump are respectively connected with an output end of the switcher. The photovoltaic pumping system has the advantages that the photovoltaic pumping system is additionally provided with the vacuum pump, the switcher and the vacuum degree detector, the switcher and the vacuum degree detector are correspondingly matched with the vacuum pump, accordingly, a vacuum degree of the water pump can be detected, water only can be pumped by the water pump when the vacuum degree of the water pump reaches a certain value, and air in the water pump is required to be exhausted if the vacuum degree of the water pump is lower than the value; circuits can be switched over by the switcher, so that the photovoltaic pumping inverter and the vacuum pump can be switched on, power can be supplied to the vacuum pump by the aid of electric energy generated by the photovoltaic array, and the photovoltaic pumping system is high in work efficiency and does not need to be monitored artificially.
Description
Technical field
The present invention relates to the photovoltaic applied technical field that pumps up water, be specifically related to a kind of photovoltaic water-raising system.Background technique
Photovoltaic water-raising system is the new energy power equipment of using from the potential energy converting and energy of the lasting driven by energy water of the sun, and it is the concept not as retaining based on electric power storage, builds pond and has saved storage battery, substitutes the method for electric power storage with retaining, reduces cost and drops into.Photovoltaic water-raising system is mainly used in photovoltaic agricultural water-saving irrigation, photovoltaic is irrigated the fields such as desert treatment, photovoltaic water conservancy drought resisting water lift, photovoltaic drip irrigation alkaline land improving, photovoltaic infiltrating irrigation grassland animal husbandry, photovoltaic urban water landscape, photovoltaic village living water, photovoltaic desalination of sea water.Photovoltaic water-raising system in the middle of existing mainly comprises photovoltaic water-raising inverter, photovoltaic array, water pump, and the electric energy producing by photovoltaic array is powered to water pump, drives water pump that water is extracted into wet pit from water source, these water sources comprise well water, in the time starting to extract well water, often, because well water is excessively dark, degree of vacuum is too low, cannot extract water source, and needing manually toward water filling in water pump, the air in discharge water pump, could start pumping for water pump, not only reduced working efficiency, and system reliability is low.
Summary of the invention
Technical problem to be solved by this invention has been to provide a kind of without manual intervention, and automaticity is high, the photovoltaic water-raising system that system reliability is strong.
For solving the problems of the technologies described above, the technical solution used in the present invention is as follows:
Photovoltaic water-raising system, comprise photovoltaic array, photovoltaic water-raising inverter, water pump and wet pit, described photovoltaic array is connected with the input end of photovoltaic water-raising inverter by wire, described water pump is connected with wet pit by water pipe, also comprise switch, vacuum pumping pump and degree of vacuum detector, the output terminal of the output terminal of described photovoltaic water-raising inverter and degree of vacuum detector is connected with the input end of switch respectively, and described water pump is connected with the output terminal of switch respectively with vacuum pumping pump; Switch receives the signal of degree of vacuum detector, and with the comparison of inner setting degree of vacuum value, connect the circuit of photovoltaic water-raising inverter and water pump or connect the circuit of photovoltaic water-raising inverter and vacuum pumping pump according to comparative result; Described vacuum pumping pump is connected with water pump.
In order, under different conditions, different degree of vacuum to be set, such scheme also comprises panel is set, and this arranges panel and is connected with the input end of switch.
Compared with prior art, the present invention has set up vacuum pumping pump, and corresponding supporting switch and degree of vacuum detector, be used for detecting the degree of vacuum of water pump, when the degree of vacuum of water pump reaches certain value, as lift in 200m time, the degree of vacuum of water pump will reach 90% when above, water pump could extract water, as lower than this value, must get rid of the air in water pump, make degree of vacuum reach this value, and utilize switch circuit switched, connect photovoltaic water-raising inverter and vacuum pumping pump, the electric energy that utilizes photovoltaic array to produce is powered to vacuum pumping pump, and do not need to access other power supply, safe and reliable, the normal operation of guarantee system, working efficiency is high, without artificial guard.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of photovoltaic water-raising system of the present invention.
Number in the figure is: 1, photovoltaic array; 2, photovoltaic water-raising inverter; 3, water pump; 4, wet pit; 5, switch; 6, vacuum pumping pump; 7, degree of vacuum detector.
Embodiment
As shown in Figure 1, a kind of photovoltaic water-raising system of the present invention, comprises photovoltaic array 1, photovoltaic water-raising inverter 2, water pump 3 and wet pit 4, and switch 5, vacuum pumping pump 6 and degree of vacuum detector 7; Described water pump 3 is connected with high-order wet pit 4 by water pipe, and described vacuum pumping pump 6 is connected with the water outlet of water pump 3.Described photovoltaic array 1 is connected with the input end of photovoltaic water-raising inverter 2 by wire, the output terminal of the output terminal of described photovoltaic water-raising inverter 2 and degree of vacuum detector 7 is connected with the input end of switch 5 respectively, and described water pump 3 is connected with the output terminal of switch 5 respectively with vacuum pumping pump 6.
Described photovoltaic array 1 receives optical radiation, produce direct current, 2 direct currents that solar array is sent of described photovoltaic water-raising inverter are converted to Ac, drive water pump 3 and vacuum pumping pump 6, and according to the variation of intensity of sunshine regulation output frequency in real time, make output power approach the peak output of solar cell array, in the time that sunshine is very sufficient, ensure that the rotating speed of water pump 3 is no more than rated speed; In the time that sunshine is not enough, whether meet according to setting minimum operation frequency, otherwise automatically out of service.
Described switch 5 receives the signal of degree of vacuum detector 7, and with the degree of vacuum value comparison of inner setting, preferably by what be connected with the input end of switch 5 panel setting is set, and connects the circuit of photovoltaic water-raising inverter 2 and water pump 3 or connect the circuit of photovoltaic water-raising inverter 2 and vacuum pumping pump 6 according to comparative result.Detailed process is: degree of vacuum detector 7 detects the degree of vacuum value of water pump 3 in real time, and checkout value is delivered in switch 5, switch 5 receives after the signal of degree of vacuum detector 7, with the degree of vacuum value comparison of setting, in the time that the degree of vacuum value detecting is less than or equal to the degree of vacuum value of setting, switch 5 is connected the circuit of photovoltaic water-raising inverter 2 and vacuum pumping pump 6, starting vacuum pumping pump 6 works, vacuum pumping pump 6 is extracted the air of water pump 3 out, the degree of vacuum value of water pump 3 is raise, in the time that the degree of vacuum value detecting is greater than the degree of vacuum value of setting, switch 5 is connected the circuit of photovoltaic water-raising inverter 2 and water pump 3, starting water pump 3 works, extract the water at water source in wet pit 4.
Claims (2)
1. photovoltaic water-raising system, comprise photovoltaic array (1), photovoltaic water-raising inverter (2), water pump (3) and wet pit (4), described photovoltaic array (1) is connected with the input end of photovoltaic water-raising inverter (2) by wire, described water pump (3) is connected with wet pit (4) by water pipe, it is characterized in that: also comprise switch (5), vacuum pumping pump (6) and degree of vacuum detector (7), the output terminal of the output terminal of described photovoltaic water-raising inverter (2) and degree of vacuum detector (7) is connected with the input end of switch (5) respectively, described water pump (3) is connected with the output terminal of switch (5) respectively with vacuum pumping pump (6), switch (5) receives the signal of degree of vacuum detector (7), and with the comparison of inner setting degree of vacuum value, connect the circuit of photovoltaic water-raising inverter (2) and the circuit of water pump (3) or connection photovoltaic water-raising inverter (2) and vacuum pumping pump (6) according to comparative result, described vacuum pumping pump (6) is connected with water pump (3).
2. photovoltaic water-raising system according to claim 1, is characterized in that: also comprise panel is set, this arranges panel and is connected with the input end of switch (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410145116.4A CN103912470A (en) | 2014-04-11 | 2014-04-11 | Photovoltaic pumping system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410145116.4A CN103912470A (en) | 2014-04-11 | 2014-04-11 | Photovoltaic pumping system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103912470A true CN103912470A (en) | 2014-07-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410145116.4A Pending CN103912470A (en) | 2014-04-11 | 2014-04-11 | Photovoltaic pumping system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103912470A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2722251A1 (en) * | 1994-07-05 | 1996-01-12 | Transenergie | Solar powered water pumping station for use in remote locations such as semi-arid zones |
| JPH1047246A (en) * | 1996-08-01 | 1998-02-17 | Mitsuo Kootaka | Vacuum pumping device |
| US6050779A (en) * | 1996-04-12 | 2000-04-18 | Canon Kabushiki Kaisha | Conveying apparatus using unstable electric power supply |
| CN102704530A (en) * | 2012-01-30 | 2012-10-03 | 新泰市风龙王设备有限公司 | Air-pressure pumping-out long-distance water transmission system and potential energy generating system |
| CN203049675U (en) * | 2013-01-14 | 2013-07-10 | 云南桑帕尔光伏科技有限公司 | Automatic exhaust and water taking device for vacuum water sucking of photovoltaic pumping system |
-
2014
- 2014-04-11 CN CN201410145116.4A patent/CN103912470A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2722251A1 (en) * | 1994-07-05 | 1996-01-12 | Transenergie | Solar powered water pumping station for use in remote locations such as semi-arid zones |
| US6050779A (en) * | 1996-04-12 | 2000-04-18 | Canon Kabushiki Kaisha | Conveying apparatus using unstable electric power supply |
| JPH1047246A (en) * | 1996-08-01 | 1998-02-17 | Mitsuo Kootaka | Vacuum pumping device |
| CN102704530A (en) * | 2012-01-30 | 2012-10-03 | 新泰市风龙王设备有限公司 | Air-pressure pumping-out long-distance water transmission system and potential energy generating system |
| CN203049675U (en) * | 2013-01-14 | 2013-07-10 | 云南桑帕尔光伏科技有限公司 | Automatic exhaust and water taking device for vacuum water sucking of photovoltaic pumping system |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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Application publication date: 20140709 |