CN101518199B - Automatic two-level pressure boosting and dripping irrigation water-supply system - Google Patents
Automatic two-level pressure boosting and dripping irrigation water-supply system Download PDFInfo
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- CN101518199B CN101518199B CN200810150225XA CN200810150225A CN101518199B CN 101518199 B CN101518199 B CN 101518199B CN 200810150225X A CN200810150225X A CN 200810150225XA CN 200810150225 A CN200810150225 A CN 200810150225A CN 101518199 B CN101518199 B CN 101518199B
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Abstract
The invention relates to an automatic two-level pressure boosting and drip-irrigation water-supply system, which comprises a first-level pump 4, a second-level pump 9 and an electric control system and is characterized in that: the water inlet of the first-level pump 4 is arranged in a pool 6, the outlet of the first-level pump 4 is connected with the water inlet of a sediment separation device 7and provided with a first pressure detection device 3, the water outlet of the sediment separation device 7 is connected with the second-level pump 9 of which the inlet is provided with a pressure relay 8, and the water outlet of the second-level pump 9 is connected with a main dripping irrigation pipeline and provided with a second pressure detection device 10; the electric control system comprises a main control loop and a DC (direct current) power supply loop. The automatic two-level pressure boosting and dripping irrigation water-supply system is designed by the technique. During the process of water supplying, the flow between the first-level pump and the second-level pump is automatically adjusted, therefore the phenomena of voltage shortage and high voltage do not occur between the two pumps.
Description
Technical field
Secondary pressure-stabilizing water supply method and apparatus technical field relates in particular to a kind of automatic two-level pressure boosting and dripping irrigation water-supply system in the drip irrigation economize irrigation system of the present invention.
Background technology
In the drip irrigation economize irrigation system, great majority are field pipe network water supplies, and water pump is that the flowing full amount is drawn water, and directly deliver to the field pipe network after exit of pump separates through silt.But divide a piece of writing in turn in the drip irrigation water system large tracts of land mountain forest trees, need the secondary pressure-raising usually and between each piece drip irrigation output and not quite identical, be that requirement exit of pump pressure maintenances at different levels are constant on technology, not with changes in flow rate.
Summary of the invention
The objective of the invention is to provides a kind of automatic two-level pressure boosting and dripping irrigation water-supply system at defective of the prior art, thereby has effectively overcome a series of problems of the described existence of background technology.
The technical solution adopted for the present invention to solve the technical problems is: automatic two-level pressure boosting and dripping irrigation water-supply system, include one-level water pump 4, secondary water pump 9 and electric control system, the water inlet of described one-level water pump 4 is located in the pond 6, the water inlet of the outlet of one-level water pump 4 and silt separation apparatus 7 joins, the outlet of one-level water pump 4 is provided with first pressure detector 3, the delivery port of silt separation apparatus 7 links to each other with secondary water pump 9, the inlet of secondary water pump 9 is provided with pressure switch 8, the delivery port of secondary water pump 9 connects the drip irrigation main line, and the delivery port of secondary water pump 9 is provided with second pressure detector 10; Described electric control system includes main control loop and dc power supply circuit; Be provided with liquid level measuring appliance 5 in the described pond 6; The one-level water pump 4 control electromotor 2 of described main control loop link to each other with first frequency converter 12, secondary water pump 9 control electromotor 1 link to each other with second frequency converter 13, the first air switch QF1 links to each other with first frequency converter 12 by the first contactor KM1, the second air switch QF2 links to each other with second frequency converter 13 by the second contactor KM2, main control loop also includes the 3rd air switch QF3, the 3rd air switch QF3 respectively with power supply indicator RD1, malfunction indicator lamp RD2, the frequency converter indicator lamp RD3 that powers on, the first contactor KM1, the second contactor KM2 links to each other with 24V dc source 11.
The present invention compares with background technology, and the useful effect that has is: described automatic two-level pressure boosting and dripping irrigation water-supply system, it is at the designed two-level pressure boosting and dripping irrigation automatic water supply device of this technology.In water supply process, flow automatic synchronization between one-level pump, the two stage pump under-voltage, high-pressure phenomena can not occur between two pumps.
Description of drawings
Fig. 1 is a structural principle schematic diagram of the present invention.
Embodiment
As shown in Figure 1, described automatic two-level pressure boosting and dripping irrigation water-supply system, include one-level water pump 4, secondary water pump 9 and electric control system, its characteristics are: the water inlet of described one-level water pump 4 is located at the outlet of one-level water pump 4 in the pond 6 and the water inlet of silt separation apparatus 7 joins, the outlet of one-level water pump 4 is provided with first pressure detector 3, the delivery port of silt separation apparatus 7 links to each other with secondary water pump 9, the inlet of secondary water pump 9 is provided with pressure switch 8, the delivery port of secondary water pump 9 connects the drip irrigation main line, and the delivery port of secondary water pump 9 is provided with second pressure detector 10; Described electric control system includes main control loop and dc power supply circuit.
Be provided with liquid level measuring appliance 5 in the described pond 6.The one-level water pump 4 control electromotor 2 of main control loop link to each other with first frequency converter 12, secondary water pump 9 control electromotor 1 link to each other with second frequency converter 13, the first air switch QF1 links to each other with first frequency converter 12 by the first contactor KM1, the second air switch QF2 links to each other with second frequency converter 13 by the second contactor KM2, main control loop also includes the 3rd air switch QF3, and the 3rd air switch QF3 links to each other with 24V dc source 11 with power on indicator lamp RD3, the first contactor KM1, the second contactor KM2 of power supply indicator RD1, malfunction indicator lamp RD2, frequency converter respectively.Dc power supply circuit includes power transfer relay KA1 and the control coil thereof that links to each other with 24V dc source 11, the contact SWK of liquid level measuring appliance 5, the first fault contact BF1 of first frequency converter 12, the second fault contact BF2 of second frequency converter 13, the first control relay KA2, the second control relay KA3, the 3rd control relay KA4, the 4th control relay KA5 and control coil thereof, the first start and stop button SA2 of the first control relay KA2, the second start and stop button SA1 of the second control relay KA3, contact YLK, the 3rd start and stop button SB2 of frequency converter and the 4th start and stop button SB1.
Described automatic two-level pressure boosting and dripping irrigation water-supply system, the electromotor 2 of one-level water pump 4, the electromotor 1 of secondary water pump 9 are respectively by first frequency converter 12,13 controls of second frequency converter.Main control loop provides 220V AC power by the 3rd air switch QF3, malfunction indicator lamp RD2 is controlled by power transfer relay KA1, the first contactor KM1 is controlled by the first control relay KA2, the second contactor KM2 is controlled by the second control relay KA3, in dc source, 24V dc source 11 is arranged, the control coil of power transfer relay KA1, be subjected to the contact SWK of liquid level measuring appliance 5, the first fault contact BF1 of first frequency converter 12, the control of the second fault contact BF2 of second frequency converter 13, as a contact action, power transfer relay KA1 gets, make the first control relay KA2, the second control relay KA3, the 3rd control relay KA4, the 4th control relay KA5 dead electricity, the first contactor KM1, the second contactor KM2 disconnects, and makes malfunction indicator lamp RD2 bright simultaneously.The first start and stop button SA2, the second start and stop button SA1 are the start and stop buttons of the first control relay KA2, the second control relay KA3, are used for the connecting and disconnecting of the first contactor KM1, the second contactor KM2.When getting electric the 3rd start and stop button SB2 of frequency converter, the 4th start and stop button SB1 loop of also making, the second control relay KA3 comes into force, when the 3rd start and stop button SB2 presses, the 3rd control relay KA4 gets electric self-locking, and first frequency converter starts, 4 runnings of one-level water pump, inlet pressure rising when secondary water pump 9, the contact YLK closure of pressure switch 8, the 4th control relay KA5 gets electric, and second frequency converter starts, 9 runnings of secondary water pump, water supply start.
Described automatic two-level pressure boosting and dripping irrigation water-supply system, its course of work is: by the first start and stop button SA2, the first control relay KA2 gets electric self-locking, and the second control relay KA3, the first contactor KM1, the second contactor KM2 get, first frequency converter 12 and 13 energisings of second frequency converter, the indicator lamp RD3 that powers on is bright, by the second start and stop button SA1, the first control relay KA2, the second control relay KA3, the first contactor KM1, the second contactor KM2 dead electricity, first frequency converter 12 and 13 outages of second frequency converter, the indicator lamp RD3 that powers on extinguishes.By the 3rd start and stop button SB2, the second control relay KA3 gets electric self-locking, first frequency converter 12 starts, 4 runnings of one-level water pump are along with the inlet pressure rising of secondary water pump 9, when the contact of pressure switch 8 YLK closure, the 4th control relay KA5 gets, second frequency converter 13 starts, 9 runnings of secondary water pump, water supply start.The rotating speed of first frequency converter 12 is given by first pressure detector 3, is reversed polarity control, and promptly pressure and rotating speed are inverse relation.The rotating speed of second frequency converter 13 is given by second pressure detector 10, is reversed polarity control.When first frequency converter 12 with second frequency converter 13 breaks down and pond 6 middle water levels are low, 5 actions of liquid level measuring appliance, power transfer relay KA1 gets electric, cuts off the power supply of first frequency converter 12 and second frequency converter 13, and malfunction indicator lamp RD2 is bright.
Claims (2)
1. automatic two-level pressure boosting and dripping irrigation water-supply system, include one-level water pump (4), secondary water pump (9) and electric control system, it is characterized in that: the water inlet of described one-level water pump (4) is located in the pond (6), the water inlet of the outlet of one-level water pump (4) and silt separation apparatus (7) joins, the outlet of one-level water pump (4) is provided with first pressure detector (3), the delivery port of silt separation apparatus (7) links to each other with secondary water pump (9), the inlet of secondary water pump (9) is provided with pressure switch (8), the delivery port of secondary water pump (9) connects the drip irrigation main line, and the delivery port of secondary water pump (9) is provided with second pressure detector (10); Described electric control system includes main control loop and dc power supply circuit; Be provided with liquid level measuring appliance (5) in the described pond (6); One-level water pump (4) the control electromotor (2) of described main control loop links to each other with first frequency converter (12), secondary water pump (9) control electromotor (1) links to each other with second frequency converter (13), first air switch (QF1) links to each other with first frequency converter (12) by first contactor (KM1), second air switch (QF2) links to each other with second frequency converter (13) by second contactor (KM2), main control loop also includes the 3rd air switch (QF3), the 3rd air switch (QF3) respectively with power supply indicator (RD1), malfunction indicator lamp (RD2), the indicator lamp that powers on (RD3) of frequency converter, first contactor (KM1), second contactor (KM2) links to each other with 24V dc source (11).
2. automatic two-level pressure boosting and dripping irrigation water-supply system according to claim 1, it is characterized in that: described dc power supply circuit includes power transfer relay (KA1) and the control coil thereof that links to each other with 24V dc source (11), the contact (SWK) of liquid level measuring appliance (5), first fault contact (BF1) of first frequency converter (12), second fault contact (BF2) of second frequency converter (13), first control relay (KA2), second control relay (KA3), the 3rd control relay (KA4), the 4th control relay (KA5) and control coil thereof, the first start and stop button (SA2) of first control relay (KA2), the second start and stop button (SA1) of second control relay (KA3), the contact (YLK) of pressure switch (8), the 3rd start and stop button (SB2) of frequency converter and the 4th start and stop button (SB1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810150225XA CN101518199B (en) | 2008-06-24 | 2008-06-24 | Automatic two-level pressure boosting and dripping irrigation water-supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810150225XA CN101518199B (en) | 2008-06-24 | 2008-06-24 | Automatic two-level pressure boosting and dripping irrigation water-supply system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101518199A CN101518199A (en) | 2009-09-02 |
| CN101518199B true CN101518199B (en) | 2011-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810150225XA Expired - Fee Related CN101518199B (en) | 2008-06-24 | 2008-06-24 | Automatic two-level pressure boosting and dripping irrigation water-supply system |
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| CN (1) | CN101518199B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110566291B (en) * | 2019-09-30 | 2022-04-12 | 兖矿国宏化工有限责任公司 | Turbine lubricating oil pump control system and control method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5200065A (en) * | 1991-02-25 | 1993-04-06 | Waste Water Systems, Inc. | Tertiary waste treatment and disposal system |
| CN1543772A (en) * | 2003-11-15 | 2004-11-10 | 中国农业科学院农田灌溉研究所 | Movable underground drip irrigation device |
| CN2774128Y (en) * | 2005-03-28 | 2006-04-26 | 刘明虎 | Multifunctional water saving irrigation device for farmland |
| CN1774994A (en) * | 2005-12-15 | 2006-05-24 | 西北农林科技大学 | Method for designing spraying micro-irrigation unit based on variable-frequency constant-pressure control |
-
2008
- 2008-06-24 CN CN200810150225XA patent/CN101518199B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5200065A (en) * | 1991-02-25 | 1993-04-06 | Waste Water Systems, Inc. | Tertiary waste treatment and disposal system |
| CN1543772A (en) * | 2003-11-15 | 2004-11-10 | 中国农业科学院农田灌溉研究所 | Movable underground drip irrigation device |
| CN2774128Y (en) * | 2005-03-28 | 2006-04-26 | 刘明虎 | Multifunctional water saving irrigation device for farmland |
| CN1774994A (en) * | 2005-12-15 | 2006-05-24 | 西北农林科技大学 | Method for designing spraying micro-irrigation unit based on variable-frequency constant-pressure control |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平10-174528A 1998.06.30 |
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| CN101518199A (en) | 2009-09-02 |
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