CN106106049A - A kind of self-regulation photovoltaic irrigation system and tracking irrigation method thereof - Google Patents
A kind of self-regulation photovoltaic irrigation system and tracking irrigation method thereof Download PDFInfo
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- CN106106049A CN106106049A CN201610507685.8A CN201610507685A CN106106049A CN 106106049 A CN106106049 A CN 106106049A CN 201610507685 A CN201610507685 A CN 201610507685A CN 106106049 A CN106106049 A CN 106106049A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G25/02—Watering arrangements located above the soil which make use of perforated pipe-lines or pipe-lines with dispensing fittings, e.g. for drip irrigation
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G25/16—Control of watering
- A01G25/167—Control by humidity of the soil itself or of devices simulating soil or of the atmosphere; Soil humidity sensors
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/12—Technologies relating to agriculture, livestock or agroalimentary industries using renewable energies, e.g. solar water pumping
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- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Environmental Sciences (AREA)
- Electromagnetic Pumps, Or The Like (AREA)
Abstract
The invention provides a kind of self-regulation photovoltaic irrigation system and follow the tracks of irrigation method, wherein said system includes self-regulation photovoltaic subsystem and irrigation system, described self-regulation photovoltaic subsystem includes some photovoltaic module supports, it specifically includes that counter weight construction, power water tank, drainage pipeline, water system and control the described quantitative draining of power water tank, the control unit of electromagnetic valve that weight changes linearly over time.Photovoltaic module support changes with the weight of described power water tank, and described extending bracket turns to be capable of accordingly the angle of inclination of extending bracket equalising torque.Described irrigation system is connected with described drainage pipeline by described electromagnetic valve unit, and the water of discharge flows in described irrigation system and irrigates.The power water tank variable by arranging weight, drives photovoltaic module support to change angle of inclination based on principle of moment balance.And, the water of discharge is organically integrated with irrigation system, it is achieved that effective utilization of draining.
Description
Technical field
The present invention relates to solar photovoltaic assembly technical field, particularly relate to a kind of self-regulation photovoltaic irrigation system and with
Track irrigation method.
Background technology
Existing solar photovoltaic assembly support, generally includes common fixed support and can adjust photovoltaic module
The regulation support of degree.General, in order to effectively improve the generating efficiency of photovoltaic module, adapt to the angle change of sunlight, should
Start to be widely used with the solar tracking device (keeping the vertical angle between photovoltaic module and sunlight) of regulation support.
And the mode that the power drive scheme of existing solar tracking device support mainly uses motor driven support to rotate.
Described motor drives and generally includes two kinds of drive forms: the first drives electric pushrod by motor, it is achieved high thrust, thus drives
The rotation of dynamic rack shaft.The second drives rotary reducer, or turbine and worm deceleration device by motor, it is achieved bigger
Output torque, thus drive holder pivots by big output torque.
Owing to there is the problem of the stability of electrical machinery life and machine driven system in above-mentioned motor drive mode, it is true
On cannot meet the photovoltaic plant design service life of 25 years.Motor, mechanical driving part are also required to often overhaul replacing, for
For user, maintenance and operation cost are the highest.
Therefore, prior art need development.
Summary of the invention
In place of above-mentioned the deficiencies in the prior art, it is an object of the invention to provide a kind of self-regulation photovoltaic irrigation system
And tracking irrigation method, it is intended to solve prior art solar tracking device operation stability not enough, higher the asking of maintenance cost
Topic.
In order to achieve the above object, this invention takes techniques below scheme:
A kind of self-regulation photovoltaic irrigation system, including self-regulation photovoltaic subsystem and irrigation system, described self-regulation photovoltaic
System includes some photovoltaic module supports；Described photovoltaic module support includes: bracket upright post and being connected with bracket upright post, can edge
The support girder that self axial direction rotates, described support girder is provided with outward extending extending bracket, wherein, described light
Photovoltaic assembly support also includes:
One counter weight construction, described counter weight construction is arranged on described extending bracket, make the center of gravity of described extending bracket with described
Frame girder is misaligned；
One power water tank, described power water tank is arranged on the side of described extending bracket by a peg, described power water tank
One end is provided with drainage pipeline；
One water system, described water system is connected with described power water tank, to described power cistern water supply；
It is arranged on described drainage pipeline, controls the described quantitative draining of power water tank, the electromagnetic valve that weight changes linearly over time
Control unit；
Changing with the weight of described power water tank, described extending bracket turns to be capable of extending bracket equalising torque accordingly
Angle of inclination；
Described irrigation system is connected with described drainage pipeline, at described control unit of electromagnetic valve by described control unit of electromagnetic valve
Control under, the water that power water tank is discharged flows in described irrigation system and irrigates.
Described self-regulation photovoltaic irrigation system, wherein, described counter weight construction includes:
Being arranged on the first balancing weight bottom described support girder, described first balancing weight is by counterweight support bar and described support
Girder just connects；
Being arranged on the second balancing weight of described extending bracket opposite side, described second balancing weight is arranged on described by counterweight support
On extending bracket.
Described self-regulation photovoltaic irrigation system, wherein, described water system includes: for storing the water-storing device of water,
Described water-storing device is connected with described power water tank by water supply line；
A water pump it is provided with on described water supply line；By the water in described water-storing device by the input of described water supply line to described
In power water tank.
Described self-regulation photovoltaic irrigation system, wherein, described drainage pipeline is also by a backflow water pipe and described water-retention
Device connects；
Under the control of described control unit of electromagnetic valve, the water discharged by drainage pipeline is by backflow water pipe input extremely described water-retention
In device.
Described self-regulation photovoltaic irrigation system, wherein, described control unit of electromagnetic valve includes: electromagnetic valve, be arranged on institute
State the effusion meter in drainage pipeline and upper computer control system；
Described electromagnetic valve, under described upper computer control system controls, controls the drainage speed of power water tank and controls drainage pipeline
The current direction backflow water pipe discharged or irrigation system.
Described self-regulation photovoltaic irrigation system, wherein, is provided with buffer between described bracket upright post and extending bracket；
Described buffer provides damping to stop the angular momentum of described extending bracket to exceed preassigned.
Described self-regulation photovoltaic irrigation system, wherein, passes through rolling bearing between described bracket upright post and support girder
Connect；
The bearing block of described rolling bearing is fixedly installed in described bracket upright post；
The rolling bearing protection set hiding described rolling bearing it is additionally provided with outside described rolling bearing.
A kind of tracking irrigation method applying self-regulation photovoltaic irrigation system as above, wherein, described method includes:
A, the situation of change of the local sun altitude of calculating；
B, according to described sun altitude, calculate corresponding extending bracket angle of inclination；
C, principle of moment balance based on described extending bracket, discharge corresponding weight by flow control valve gate control power water tank
Water, make described extending bracket rotate to described extending bracket angle of inclination；
D, when needs are irrigated, the water that control unit of electromagnetic valve controls to discharge in power water tank enters in irrigation system and fills
Irrigate.
Described tracking irrigation method, wherein, described method also includes: when night, described power water tank is filled water,
Described extending bracket is made to be positioned at the position towards east inclination 45 °.
Described tracking irrigation method, wherein, described step D also includes:
When need not irrigate, the water that control unit of electromagnetic valve controls to discharge in power water tank is back in water system.
Beneficial effect: a kind of self-regulation photovoltaic irrigation system of present invention offer and tracking irrigation method thereof, by arranging
The power water tank that weight is variable, based on principle of moment balance drive photovoltaic module support change angle of inclination, it is achieved the sun with
The task of track.
On the one hand, owing to the delivery flow that above-mentioned control mode is water controls, difficulty is controlled relatively low, it is possible to reach higher
Tracking accuracy.And, the water of discharge is organically integrated with irrigation system, it is achieved that effective utilization of draining, except can be real
Outside the angle self-regulation of existing photovoltaic bracket, it is also possible to irrigate as required, there is good application effect.
On the other hand, the above-mentioned type of drive utilizing equalising torque, it is not necessary to use motor and the drive mechanism of complexity, it is only necessary to
Control flow, so that overall sun tracing system stable and reliable operation, easy to maintenance and cost is relatively low.
Accompanying drawing explanation
Fig. 1 is that the cross-sectional structure of the photovoltaic module support of the self-regulation photovoltaic irrigation system of the specific embodiment of the invention shows
It is intended to.
Fig. 2 is the bearing arrangement signal of the photovoltaic module support of the self-regulation photovoltaic irrigation system of the specific embodiment of the invention
Figure.
Fig. 3 is the first balancing weight of the photovoltaic module support of the self-regulation photovoltaic irrigation system of the specific embodiment of the invention
Structural representation.
Fig. 4 is the second balancing weight of the photovoltaic module support of the self-regulation photovoltaic irrigation system of the specific embodiment of the invention
Structural representation.
Fig. 5 is the control of the control system of the photovoltaic module support of the self-regulation photovoltaic irrigation system of the specific embodiment of the invention
The method flow diagram of the instantiation of flow process processed.
Fig. 6 is the structure of the buffer of the photovoltaic module support of the self-regulation photovoltaic irrigation system of the specific embodiment of the invention
Schematic diagram.
Fig. 7 is the method flow diagram of the tracking irrigation method of the self-regulation photovoltaic irrigation system of the specific embodiment of the invention.
Fig. 8 is the structural representation of the self-regulation photovoltaic irrigation system of the specific embodiment of the invention.
Detailed description of the invention
The present invention provides a kind of self-regulation photovoltaic irrigation system and follows the tracks of irrigation method.For making the purpose of the present invention, skill
Art scheme and effect are clearer, clear and definite, and the present invention is described in more detail for the embodiment that develops simultaneously referring to the drawings.Should manage
Solving, specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
As shown in Figure 8, the self-regulation photovoltaic irrigation system being embodied as the present invention, it includes utilizing power water tank 400
The photovoltaic subsystem 10 that is adjusted of Gravity changer and connected water system 20 and irrigate subsystem 30.
Control unit of electromagnetic valve 50 is arranged on the drainage pipeline 401 of power water tank 400, control discharge water flow with
And flow to.
Concrete, described drainage pipeline 401 is connected with described water system 20 also by backflow water pipe 402.Described water supply
System 20 can include the water-storing device 21 for storing water, and described water-storing device is by water supply line 22 and described power water tank
400 connect；
A water pump 23 it is provided with on described water supply line.Water pump 23 is defeated by described water supply line by the water in described water-storing device
Enter to described power water tank.
In actual use, control unit of electromagnetic valve 50 can control to discharge current direction irrigate according to practical situation demand
Subsystem or by backflow water pipe 402 be back in the water-storing device 21 of water system 20.Described water-storing device can be specifically
Any suitable well, pond or other devices being used for storing relatively large clean water.
As it is shown in figure 1, then for the photovoltaic module support described in the specific embodiment of the invention.Described photovoltaic module support bag
Include: bracket upright post 100 is connected with bracket upright post, the support girder 200 that can rotate along self axial direction and extending bracket
300。
Concrete, as in figure 2 it is shown, described bracket upright post 100 and support girder 200(are convenient for display, Fig. 2 does not show
Show girder) between can be connected by rolling bearing 110.Wherein, the bearing block 111 of described rolling bearing is fixedly installed on described
In bracket upright post 100, support girder 200 is connected with the inner ring 112 of described bearing 110, rotates around self axial direction.
The structure of above-mentioned employing rolling bearing is arranged, it is possible to reduce the pivoting friction of support girder, it is ensured that extending bracket
The motility rotated.
The rolling bearing protection set 120 hiding described rolling bearing it is additionally provided with outside described rolling bearing 110.By arranging
Described bearing protecting jacket 120 can effectively avoid dust foreign body etc. to enter Bearing inner, plays protection bearing, extends bearing and makes
With the life-span etc..
Described bracket upright post 100 one end is fixed on fixed pan, such as concrete pedestal etc., thus fixing photovoltaic bracket
Position is specifically set.Described bracket upright post specifically can use any suitable shape or the vertical columns of structure or support
Part, A type support member etc. the most as shown in Figure 1.
Described extending bracket 300 is arranged on support girder 200, changes angle of inclination with the rotation of support girder 200.
Photovoltaic module 10 can be fixedly installed on described extending bracket 300.
Described photovoltaic module support also includes: counter weight construction (not shown) and power water tank 400.
Described counter weight construction refers to be arranged on described extending bracket, makes the center of gravity of described extending bracket and described support master
The specific structure setting that beam is misaligned.
Described counter weight construction specifically can use multiple different structure to be achieved, such as can be by extending bracket
On set up extra balancing weight, change the distribution of weight of extending bracket both sides；Or use density relatively in the side of extending bracket
Big material, opposite side uses the material that density is lighter, and the weight making extending bracket both sides is unequal, or other are suitable
, it is possible to change extending bracket both sides weight so that it is the structure of centre-of gravity shift.
It should be appreciated that in order to ensure that described photovoltaic module support can be implemented easily, described extending bracket both sides
Distribution of weight should have enough or bigger differences.
Described power water tank 400 is arranged on the side of described extending bracket by a peg.Drainage pipeline 401 is arranged on dynamic
One end of power water tank 400.Described control unit of electromagnetic valve controls the weight of power water tank 400 with linear change.
Owing to total eccentric moment of power water tank 400 with extending bracket 300 can realize moment in specific angle
Balance.Therefore, changing with the weight of described power water tank 400, extending bracket 300 realizes the angle of equalising torque and can become therewith
Change.
According to above-mentioned principle of moment balance, when the weight of power water tank 400 changes, described extending bracket 300 will rotate
To the angle of inclination being capable of extending bracket 300 equalising torque accordingly.
It is preferred that described bracket upright post, support girder and peg etc. are truss structure, and it is big that it has stress, span
Greatly, material, constitutionally stable advantage are saved.
As a example by the photovoltaic module support of specific embodiment as shown in Figure 1, state that the calculating of equalising torque is former below
Reason.
In this specific embodiment, as shown in Fig. 1, Fig. 3 and Fig. 4, described counter weight construction specifically includes:
It is arranged on the first balancing weight 311 bottom described support girder 200.Described first balancing weight 311 is by counterweight support bar
500 just connect with described support girder 200.
It is arranged on the second balancing weight 312 of described extending bracket 300 opposite side.Described second balancing weight passes through counterweight support
510 are arranged on described extending bracket.
Concrete, first and second balancing weight described specifically can use any suitable material to make, such as concrete
Balancing weight, ferrum balancing weight etc..It is preferred that described support bar 500 and counterweight support 510 can use such as Fig. 3 and Fig. 4 institute
The structure shown, has the axle portion of a longitudinal extension passing balancing weight.Balancing weight is divided into some balancing weight unit, and centre arranges phase
Corresponding through hole, is inserted in described axle portion.
Said structure is arranged, it is possible to changes the quantity of balancing weight unit easily thus adjusts the first balancing weight easily
311 or second weight of balancing weight 312.
Accordingly, the center origin of equalising torque is the center of rotation (or rolling bearing position) of support girder.Make Mo table
Show that the couple of power water tank, M1 represent that the second balancing weight gravity idol, M2 represent that the first balancing weight gravity idol, M3 represent to be arranged on and prop up
Photovoltaic module gravity on frame is even, M4 represents that supporting structure gravity is even.
In the morning to the time period at noon, the equilibrium of couples relation of extending bracket is as follows:
Mo+M3+M4=M1+M2。
At noon to the time period in afternoon, extending bracket needs to climb over 0 degree, towards opposite side.Therefore, new equilibrium of couples
Relation is as follows:
Mo+M2=M3+M4+M1。
Concrete couple computational methods are well known to those skilled in the art.Therefore, below with in the morning to the noon
As a example by Duan, make briefly statement.
As it is shown in figure 1, set power water tank 400 mass as m1, the first balancing weight 312 mass is m3, the second balancing weight 311 matter
Amount is m2, and the angle of inclination of extending bracket is θ, and L is the distance at center between power water tank 400 and the second balancing weight, and h is first
Balancing weight and the distance of described support girder.
For meeting equilibrium of couples, it should have:
(m1-m2) * L*COS θ=m3*h*sin θ
According to above-mentioned equation, on the premise of first and second balancing weight mass conservation, can be by changing power water tank 400
Quality m1 changes the tilt angle theta of extending bracket.
It is preferred that described control unit of electromagnetic valve may include that electromagnetic valve, the flow being arranged in described drainage pipeline
Meter and upper computer control system.
It can be divided into two functional modules, the first each and every one functional module to include effusion meter and electromagnetic valve, is used for realizing moving
The control that the drainage speed of power water tank 400 changes linearly over time.Another functional module is then used for controlling drainage pipeline and discharges
Current direction backflow water pipe or irrigation system.
Described electromagnetic valve and effusion meter specifically can use electromagnetic valve any commonly employed in prior art.Described host computer
Control system can use common industrial control equipment.It is of course also possible to use the mode of Artificial Control electromagnetic valve open and close, control
The flow direction of draining processed.
The mode of above-mentioned use electromagnetic valve and effusion meter can realize computer automation and control drainage speed.Being specially will
The flow information that effusion meter obtains is supplied to upper computer control system, and control system calculates whether current displacement reaches requirement,
And control electromagnetic valve is turned on or off accordingly.
As it is shown in figure 5, be in this specific embodiment, the instantiation of the control flow of control system.
S1, in the A1 moment, electromagnetic valve opens (continue t1 time).
S2, acquisition effusion meter information.
S3, judging whether to reach to set flow, if so, electromagnetic valve closes down (S4)；If it is not, continue on (S1).
It addition, when reaching the moment of (i.e. not having the time of sunlight) at dusk, start water pump, fill power water tank.Described
Moment at dusk is according to situation predetermined (i.e. sunset moment on geography, the usual and locality of local and current reality
Dimensions etc. are correlated with, such as, during afternoon 6, when 6,15 grade).
In the preferred embodiment, as shown in Figure 6, arrange between described bracket upright post 100 and extending bracket 200
There is buffer 600.When extending bracket 200 is horizontal, the overhang of described buffer is 10mm ± 1.
Described buffer 600 is for when the rotary speed of extending bracket is too fast, it is provided that enough dampings are described to stop
The angular momentum of extending bracket exceedes preassigned.
Owing to the principle of moment balance of self-regulation photovoltaic bracket of the present invention employing realizes the adjustment at angle of inclination,
Therefore, in the case of having strong crosswind or abrupt wind, the poised state of support will be broken, and extending bracket may be with relatively
High speed hits bracket upright post and causes the damage etc. of photovoltaic module support.
Above-mentioned buffering 600 is set and can effectively prevent the generation of above-mentioned situation, it is provided that enough resistances reduce above-mentioned
In the case of the angular momentum of extending bracket to avoid mutually colliding causing damage.
Described buffer 600 specifically can use existing any suitable buffer, and it only provides when angular momentum is bigger
Stronger resistance avoids the high-speed rotation of extending bracket.
More specifically, the A type bracket upright post of the major part of described photovoltaic module support, such as support, support girder,
Extending bracket, connecting rod etc. all use hot galvanizing surface to process, and are effectively improved the rotproofness of material, for photovoltaic module support out of doors
Use under adverse circumstances provides good guarantee.
Use above-mentioned based on principle of moment balance, control the riding Angle ambiguity mode of discharge, with conventional electric power
The modes such as driving are compared, and its control stability is good, and control realization is easy and follows the tracks of the precision of the sun more preferably, and precision can reach
Within ± 2 °.
In the present invention one specific embodiment, described bracket upright post is also provided with limit described extending bracket and rotates
The position limiting structure of angle, is limited in ± 45 ° by the pendulum angle of described extending bracket.
As it is shown in fig. 7, present invention also offers a kind of tracking irrigation method applying system as above.Described method
Comprise the steps:
S100, the situation of change of the local sun altitude of calculating.Described sun altitude situation of change can be according to astronomical ephemeris etc.
Calculate.
S200, according to described sun altitude, calculate corresponding extending bracket angle of inclination.
S300, principle of moment balance based on described extending bracket, discharged by flow control valve gate control power water tank
The water of corresponding weight, makes described extending bracket rotate to described extending bracket angle of inclination.
S400, judge whether to need to irrigate, if being carried out step S500；If it is not, then perform step S600.
The water that S500, control unit of electromagnetic valve control to discharge in power water tank enters in irrigation system irrigates.
Further, if need not irrigate, control unit of electromagnetic valve controls the water backflow discharged in power water tank
To the water-storing device of water system (S600).
As it has been described above, when using electromagnetic valve and effusion meter, solar photovoltaic bracket can be realized by electric-control system
Pendulum angle be automatically adjusted.
More specifically, described method also includes: when night, described power water tank is filled water, makes described extending bracket position
Yu Chaodong tilts the position (drift angle, east) of 45 °.
Above-mentioned control method, the control swung for support by controlling discharge to realize, with drive and control of electric machine phase
Ratio, controls difficulty relatively low, it is possible to realizes point-device Angle ambiguity, thus effectively raises the generating effect of photovoltaic module
Rate.And the draining during being regulated by power water tank is organically integrated with irrigation system, solid irrigation and photovoltaic tracking
Linkage.
It is understood that for those of ordinary skills, can according to technical scheme and this
Bright design in addition equivalent or change, and all these change or replace the guarantor that all should belong to appended claims of the invention
Protect scope.
Claims (10)
1. a self-regulation photovoltaic irrigation system, including self-regulation photovoltaic subsystem and irrigation system, described self-regulation photovoltaic
Subsystem includes some photovoltaic module supports；Described photovoltaic module support includes: bracket upright post and being connected with bracket upright post, can
The support girder rotated along self axial direction, described support girder is provided with outward extending extending bracket, and its feature exists
In, described photovoltaic module support also includes:
One counter weight construction, described counter weight construction is arranged on described extending bracket, make the center of gravity of described extending bracket with described
Frame girder is misaligned；
One power water tank, described power water tank is arranged on the side of described extending bracket by a peg, described power water tank
One end is provided with drainage pipeline；
One water system, described water system is connected with described power water tank, to described power cistern water supply；
It is arranged on described drainage pipeline, controls the described quantitative draining of power water tank, the electromagnetic valve that weight changes linearly over time
Control unit；
Changing with the weight of described power water tank, described extending bracket turns to be capable of extending bracket equalising torque accordingly
Angle of inclination；
Described irrigation system is connected with described drainage pipeline, at described control unit of electromagnetic valve by described control unit of electromagnetic valve
Control under, the water that power water tank is discharged flows in described irrigation system and irrigates.
Self-regulation photovoltaic irrigation system the most according to claim 1, it is characterised in that described counter weight construction includes:
Being arranged on the first balancing weight bottom described support girder, described first balancing weight is by counterweight support bar and described support
Girder just connects；
Being arranged on the second balancing weight of described extending bracket opposite side, described second balancing weight is arranged on described by counterweight support
On extending bracket.
Self-regulation photovoltaic irrigation system the most according to claim 1, it is characterised in that described water system includes: be used for
The water-storing device of storage water, described water-storing device is connected with described power water tank by water supply line；
A water pump it is provided with on described water supply line；By the water in described water-storing device by the input of described water supply line to described
In power water tank.
Self-regulation photovoltaic irrigation system the most according to claim 3, it is characterised in that described drainage pipeline is also by one time
Overflow pipe is connected with described water-storing device；
Under the control of described control unit of electromagnetic valve, the water discharged by drainage pipeline is by backflow water pipe input extremely described water-retention
In device.
Self-regulation photovoltaic irrigation system the most according to claim 4, it is characterised in that described control unit of electromagnetic valve bag
Include: electromagnetic valve, the effusion meter being arranged in described drainage pipeline and upper computer control system；
Described electromagnetic valve, under described upper computer control system controls, controls the drainage speed of power water tank and controls drainage pipeline
The current direction backflow water pipe discharged or irrigation system.
Self-regulation photovoltaic irrigation system the most according to claim 1, it is characterised in that described bracket upright post and extending bracket
Between be provided with buffer；
Described buffer provides damping to stop the angular momentum of described extending bracket to exceed preassigned.
Self-regulation photovoltaic irrigation system the most according to claim 1, it is characterised in that described bracket upright post and support girder
Between connected by rolling bearing；
The bearing block of described rolling bearing is fixedly installed in described bracket upright post；
The rolling bearing protection set hiding described rolling bearing it is additionally provided with outside described rolling bearing.
8. the tracking irrigation method applying self-regulation photovoltaic irrigation system as claimed in claim 1, it is characterised in that institute
The method of stating includes:
A, the situation of change of the local sun altitude of calculating；
B, according to described sun altitude, calculate corresponding extending bracket angle of inclination；
C, principle of moment balance based on described extending bracket, discharge corresponding weight by flow control valve gate control power water tank
Water, make described extending bracket rotate to described extending bracket angle of inclination；
D, when needs are irrigated, the water that control unit of electromagnetic valve controls to discharge in power water tank enters in irrigation system and fills
Irrigate.
Tracking irrigation method the most according to claim 8, it is characterised in that described method also includes: when night by institute
State power water tank and fill water, make described extending bracket be positioned at the position towards east inclination 45 °.
Tracking irrigation method the most according to claim 8, it is characterised in that described step D also includes:
When need not irrigate, the water that control unit of electromagnetic valve controls to discharge in power water tank is back in water system.
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| CN201610507685.8A CN106106049A (en) | 2016-07-01 | 2016-07-01 | A kind of self-regulation photovoltaic irrigation system and tracking irrigation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107258478A (en) * | 2017-06-29 | 2017-10-20 | 嘉兴学院 | A kind of solar water supply device of environmental protection and energy saving |
| CN107980554A (en) * | 2017-12-30 | 2018-05-04 | 山东鑫宏光电科技有限公司 | A kind of photovoltaic irrigation rig easy to adjust |
| KR20210067431A (en) * | 2019-11-29 | 2021-06-08 | 송정만 | Accumulating apparatus for solar energy with reduction of rotating unbalance |
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| CN107258478A (en) * | 2017-06-29 | 2017-10-20 | 嘉兴学院 | A kind of solar water supply device of environmental protection and energy saving |
| CN107980554A (en) * | 2017-12-30 | 2018-05-04 | 山东鑫宏光电科技有限公司 | A kind of photovoltaic irrigation rig easy to adjust |
| KR20210067431A (en) * | 2019-11-29 | 2021-06-08 | 송정만 | Accumulating apparatus for solar energy with reduction of rotating unbalance |
| KR102335901B1 (en) * | 2019-11-29 | 2021-12-03 | 송정만 | Accumulating apparatus for solar energy with reduction of rotating unbalance |
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