CN109709990A - Type hydraulic actuator solar energy servomechanism - Google Patents
Type hydraulic actuator solar energy servomechanism Download PDFInfo
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- CN109709990A CN109709990A CN201910054031.8A CN201910054031A CN109709990A CN 109709990 A CN109709990 A CN 109709990A CN 201910054031 A CN201910054031 A CN 201910054031A CN 109709990 A CN109709990 A CN 109709990A
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- hydraulic
- solar
- valve
- reversal valve
- solar panels
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- 230000002457 bidirectional effect Effects 0.000 claims abstract description 16
- 239000002828 fuel tank Substances 0.000 claims abstract description 11
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 10
- 241001424688 Enceliopsis Species 0.000 claims description 9
- 239000012530 fluid Substances 0.000 claims description 3
- 230000010355 oscillation Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000004146 energy storage Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Abstract
The invention discloses a kind of type hydraulic actuator solar energy servomechanisms, including power unit, execution unit, solar units, acquisition unit and controller, power unit includes fuel tank, motor, hydraulic pump and high pressure accumulator, hydraulic pump is connected to and is driven by motor with fuel tank, is connected with high pressure accumulator on the pipeline that the oil outlet of hydraulic pump is connected to and is connected to the oil inlet end of execution unit；Execution unit includes the first reversal valve, the second reversal valve, hydraulic cylinder and hydraulic bidirectional rotary actuator, and hydraulic cylinder is connected to the first reversal valve, and hydraulic bidirectional rotary actuator is connected to the second reversal valve；Solar units include pedestal, solar panels support frame and solar panels, and solar panels support frame is mounted on the base, and hydraulic cylinder is mounted on the base and one end of the telescopic rod of hydraulic cylinder and solar panels connects；Acquisition unit includes solar azimuth tracker and pressure sensor, and pressure sensor is mounted on the oil inlet end pipeline of high pressure accumulator.
Description
Technical field
The present invention relates to solar energy equipment technologies, and in particular to a kind of type hydraulic actuator solar energy servomechanism.
Background technique
In electricity generation system, the wind power generating set of type hydraulic actuator has developed to obtain comparative maturity in the country.And too
It is positive can power field especially specific in solar energy servomechanism be essentially all to add mechanical device to drive using electric power.Relatively
For, electricity, which drives servomechanism, has the limitations such as output power is limited, control precision is poor.In the related technology, it is considered as
Hydraulic-driven designs solar energy servomechanism, but system performance is to be improved.
Summary of the invention
The technical problem to be solved by the present invention is to provide a kind of more excellent type hydraulic actuator solar energy of various aspects of performance
Servomechanism.
The technical scheme is that providing a kind of type hydraulic actuator solar energy servomechanism, including power unit, execution
Unit, solar units, acquisition unit and controller, the power unit include fuel tank, motor, hydraulic pump and high-voltage energy-storage
Device, the hydraulic pump are connected to fuel tank and by the motor driven, the oil outlet of the hydraulic pump and the oil inlet ends of execution unit
High pressure accumulator is connected on the pipeline of connection and connection；The execution unit includes the first reversal valve, the second reversal valve, hydraulic
Cylinder and hydraulic bidirectional rotary actuator, the hydraulic cylinder are connected to first reversal valve, the hydraulic bidirectional rotary actuator and institute
State the connection of the second reversal valve；The solar units include pedestal, solar panels support frame and solar panels, the pedestal installation
Rotary oscillation, the solar panels support are done by hydraulic bidirectional rotary actuator driving on the hydraulic bidirectional rotary actuator
Frame is mounted on the base, and the upper end of the solar panels support frame is hinged in the middle part of the solar panels, described hydraulic
Cylinder is mounted on the base and the telescopic rod of the hydraulic cylinder is connect with one end of the solar panels；The acquisition unit packet
Solar azimuth tracker and pressure sensor are included, the solar azimuth tracker is mounted on the solar panels, the pressure
Sensor is mounted on the oil inlet end pipeline of the high pressure accumulator；The controller respectively with the motor, the first reversal valve,
Second reversal valve, solar azimuth tracker and pressure sensor electrical connection.
The solar panels servomechanism of technical solution of the present invention having the beneficial effect that by designing a set of type hydraulic actuator,
The pitch angle that solar panels are adjusted using a hydraulic cylinder extension controls solar panels by another hydraulic bidirectional rotary actuator
Rotation keep it vertical as far as possible with sunray so as to accurately adjust the angle of solar panels, to make solar energy
Plate can be more efficient absorb solar energy, improve the working efficiency of solar energy system, introduce high pressure accumulator as auxiliary
Hydraulic power source, and pressure monitoring is carried out, when sensor monitors that pressure drops to first object threshold value, it can control motor, liquid
Press pump work, pressurizes to high pressure accumulator internal-filling liquid, when sensor monitors that pressure rises to the second targets threshold, can control
Motor processed, hydraulic pump stop working, and hydraulic system output power, control precision are high, effectively improve the performance of servomechanism.
Further, the hydraulic cylinder is single-action hydraulic cylinder or double acting hydraulic cylinder.
Further, first reversal valve, the second reversal valve are 3-position 4-way servo electromagnetic valve；Alternatively, described first
Reversal valve, the second reversal valve are micrometeor high-speed switch valve group, and the micrometeor high-speed switch valve group includes semi-bridge type return valve
Group, bridge-type circuit valve group, wherein semi-bridge type circuit valve group includes two high speed normally closed switch valves being connected, and is executed
Element is placed between two high speed normally closed switch valves, other two hydraulic fluid port of two high speed normally closed switch valves is separately connected oil inlet and returns
Road and out oil return line；Bridge-type circuit valve group includes four high speed normally closed switch valves, and four high speed normally closed switch valves pass through
Valve block pipeline circuits sequentially connection, is separately connected oil inlet circuit, executive component one at four valve block pipeline connecting nodes of formation
End loop goes out oil return line, another end loop of executive component.
Further, filter is installed, the hydraulic pump goes out on the pipeline between the hydraulic pump and the fuel tank
Oily end is connected with check valve.
Further, the solar azimuth tracker includes photoelectric sensor, when sunray deviates the solar panels
On heat collector normal when, the photoelectric sensor is to the controller feedback deviation signal.
It further, further include the anticipation unit of built-in view daily motion track, the anticipation unit is electrically connected with the controller
For judging sunray direction in advance, auxiliary adjusts the direction of the solar panels.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the hydraulic principle of the servomechanism provided by the invention using servo reversing valve driving double acting hydraulic cylinder
Figure；
Fig. 2 is the hydraulic principle of the servomechanism provided by the invention using servo reversing valve driving single-action hydraulic cylinder
Figure；
Fig. 3 is the hydraulic original of the servomechanism provided by the invention using high speed normally closed switch valve driving double acting hydraulic cylinder
Reason figure；
Fig. 4 is the hydraulic original of the servomechanism provided by the invention using high speed normally closed switch valve driving single-action hydraulic cylinder
Reason figure；
Fig. 5 is the structure chart of semi-bridge type circuit provided by the invention valve group；
Fig. 6 is the structure chart of bridge-type circuit provided by the invention valve group；
Fig. 7 is the solar units structure chart of type hydraulic actuator solar energy servomechanism provided by the invention.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings and specific examples.
It please refers to shown in FIG. 1 to FIG. 7, the present invention provides a kind of type hydraulic actuator solar energy servomechanisms, including power
Unit, execution unit, solar units, acquisition unit and controller 1, wherein power unit includes fuel tank 2, motor 3, liquid
Press pump 4 and high pressure accumulator 5, hydraulic pump 4 are connected to fuel tank 2 and are driven by motor 3, the oil outlet and execution unit of hydraulic pump 4
Oil inlet end connection and connection pipeline on be connected with high pressure accumulator 5；Execution unit commutates including the first reversal valve 6, second
Valve 7, hydraulic cylinder 8 and hydraulic bidirectional rotary actuator 9, hydraulic cylinder 8 are connected to the first reversal valve 6, hydraulic bidirectional rotary actuator 9 and
The connection of two reversal valves 7；Solar units include pedestal 10, solar panels support frame 11 and solar panels 12, and pedestal 10 is mounted on
Rotary oscillation is done by the driving of hydraulic bidirectional rotary actuator 9 on hydraulic bidirectional rotary actuator 9, solar panels support frame 11 is mounted on bottom
On seat 10, the middle part of solar panels 12 is hinged on the upper end of solar panels support frame 11, and hydraulic cylinder 8 is mounted on pedestal 10 and liquid
The telescopic rod of cylinder pressure 8 is connect with one end of solar panels 12；Acquisition unit includes solar azimuth tracker 13 and pressure sensor
14, solar azimuth tracker 13 is mounted on solar panels 12, and pressure sensor 14 is mounted on the oil inlet end pipe of high pressure accumulator 5
On the road；Controller 1 respectively with motor 3, the first reversal valve 6, the second reversal valve 7, solar azimuth tracker 13 and pressure sensor
14 electrical connections.
Specifically, it by designing the solar panels servomechanism of a set of type hydraulic actuator, is stretched using a hydraulic cylinder 8 to adjust
The pitch angle of whole solar panels controls the rotation of solar panels, by another hydraulic bidirectional rotary actuator 9 so as to accurate
The angle for adjusting solar panels 12, keeps it vertical as far as possible with sunray, to enable solar panels 12 more efficiently
It must absorb solar energy, improve the working efficiency of solar energy system, introduce high pressure accumulator 5 and be used as auxiliary hydraulic pressure source, and carry out
Pressure monitoring can control motor 3, the work of hydraulic pump 4 when sensor monitors that pressure drops to first object threshold value, to
The pressurization of 5 internal-filling liquid of high pressure accumulator, when sensor monitors that pressure rises to the second targets threshold, can control motor 3, liquid
Press pump 4 stops working, and hydraulic system output power, control precision are high, effectively improves the performance of servomechanism.The present embodiment
In, above-mentioned hydraulic cylinder can select single-action hydraulic cylinder or double acting hydraulic cylinder in the actual implementation process.
It is selected as one of which, as depicted in figs. 1 and 2, the first reversal valve 6, the second reversal valve 7 are 3-position 4-way servo
Solenoid valve；Alternatively, as shown in Figure 3 and Figure 4, the first reversal valve 6, the second reversal valve 7 are micrometeor high-speed switch valve group, this implementation
In example, as shown in Figure 5 and Figure 6, micrometeor high-speed switch valve group includes two kinds of semi-bridge type circuit valve group, bridge-type circuit valve group shapes
Formula, wherein semi-bridge type circuit valve group includes two high speed normally closed switch valves being connected, and it is normally closed that executive component is placed in two high speeds
Between switch valve, other two hydraulic fluid port of two high speed normally closed switch valves is separately connected oil inlet circuit and out oil return line；Bridge-type
Circuit valve group includes four high speed normally closed switch valves, and four high speed normally closed switch valves circuit sequentially connection, shape by valve block pipeline
At four valve block pipeline connecting nodes at be separately connected oil inlet circuit, one end loop of executive component, go out oil return line, executive component
Another end loop.In implementation process, the through-flow aperture of 3-position 4-way servo electromagnetic valve minimum φ 6mm under normal circumstances is single
Flow in the time of position is generally all bigger, is difficult to realize and is accurately positioned control.And servo valve cost itself is just very high, if needing
Specific customization is carried out, cost input is difficult to estimate, is unfavorable for producing in batches.And then can using above-mentioned micrometeor high-speed switch valve
Evade the problem well, aperture coverage area is from φ 0.25mm to φ 1.2mm, in special circumstances up to φ 3mm, when high speed
In the case of switch valve both ends pressure difference is 40bar, minimum discharge has Millisecond response speed up to 0.2L/min, low in cost,
It is very suitable for solar energy servomechanism.Wherein, semi-bridge type circuit valve group is suitable for single-action hydraulic cylinder, bridge-type circuit valve group
Suitable for double acting hydraulic cylinder, hydraulic bidirectional rotary actuator is controlled by bridge-type circuit valve group.
As one of optimization design, in the present embodiment, it was equipped on the pipeline between hydraulic pump 4 and fuel tank 2
Filter 15, the oil outlet of hydraulic pump 4 are connected with check valve 16.
As one of embodiment, in this implementation, solar azimuth tracker 13 includes photoelectric sensor, works as sunlight
When line deviates the normal of the heat collector on solar panels, photoelectric sensor is to 1 feedback deviation signal of controller.Controller 1 receives
The pressure signal of pressure sensor and the feedback signal of solar azimuth tracker 13, respectively control motor start and stop and corresponding electromagnetism
Valve events realize the movements of solar panels.
As another embodiment, which further includes the anticipation unit of built-in view daily motion track, the anticipation unit
It is electrically connected with controller 1 for judging sunray direction, the direction of auxiliary adjustment solar panels 12 in advance.Too for service hoisting
The steering regulated efficiency of positive energy plate and accuracy, anticipation function can be added in controller or corresponding software, that is, introduce view day
Motion trail tracking method judges sunray direction in advance, to adjust the direction of solar panels much sooner, be allowed to
Sunray is vertical.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (6)
1. a kind of type hydraulic actuator solar energy servomechanism, including power unit, execution unit, solar units, acquisition unit
And controller, it is characterised in that:
The power unit includes fuel tank, motor, hydraulic pump and high pressure accumulator, and the hydraulic pump is connected to fuel tank and by described
Motor driven is connected with high-voltage energy-storage on the pipeline that the oil outlet of the hydraulic pump is connected to and is connected to the oil inlet end of execution unit
Device；
The execution unit includes the first reversal valve, the second reversal valve, hydraulic cylinder and hydraulic bidirectional rotary actuator, the hydraulic cylinder
It is connected to first reversal valve, the hydraulic bidirectional rotary actuator is connected to second reversal valve；
The solar units include pedestal, solar panels support frame and solar panels, and the pedestal is mounted on the Hydraulic Double
Rotary oscillation is done by hydraulic bidirectional rotary actuator driving on rotary actuator, the solar panels support frame is mounted on described
On pedestal, the upper end of the solar panels support frame is hinged in the middle part of the solar panels, the hydraulic cylinder is mounted on described
On pedestal and the telescopic rod of the hydraulic cylinder is connect with one end of the solar panels；
The acquisition unit includes solar azimuth tracker and pressure sensor, the solar azimuth tracker be mounted on it is described too
On positive energy plate, the pressure sensor is mounted on the oil inlet end pipeline of the high pressure accumulator；
The controller respectively with the motor, the first reversal valve, the second reversal valve, solar azimuth tracker and pressure sensor
Electrical connection.
2. type hydraulic actuator solar energy servomechanism according to claim 1, it is characterised in that: the hydraulic cylinder is nonoculture
With hydraulic cylinder or double acting hydraulic cylinder.
3. type hydraulic actuator solar energy servomechanism according to claim 1, it is characterised in that: first reversal valve,
Second reversal valve is 3-position 4-way servo electromagnetic valve；
Alternatively, first reversal valve, the second reversal valve are micrometeor high-speed switch valve group, the micrometeor high-speed switch valve group
Including semi-bridge type circuit valve group, bridge-type circuit valve group,
Wherein, semi-bridge type circuit valve group includes two high speed normally closed switch valves being connected, and executive component is placed in two height
Between fast normally closed switch valve, other two hydraulic fluid port of two high speed normally closed switch valves is separately connected oil inlet circuit and out oil return line；
Bridge-type circuit valve group includes four high speed normally closed switch valves, and four high speed normally closed switch valves are successively followed by valve block pipeline
Ring is connected to, and is separately connected oil inlet circuit, one end loop of executive component, fuel-displaced go back at four valve block pipeline connecting nodes of formation
Road, another end loop of executive component.
4. type hydraulic actuator solar energy servomechanism according to claim 1, it is characterised in that: the hydraulic pump with it is described
Filter is installed, the oil outlet of the hydraulic pump is connected with check valve on the pipeline between fuel tank.
5. type hydraulic actuator solar energy servomechanism according to claim 1, it is characterised in that: the solar azimuth tracking
Device includes photoelectric sensor, when sunray deviates the normal of the heat collector on the solar panels, the photoelectric sensor
To the controller feedback deviation signal.
6. type hydraulic actuator solar energy servomechanism according to claim 5, it is characterised in that: further include built-in view day fortune
The anticipation unit of dynamic rail mark, the anticipation unit are electrically connected with the controller for judging sunray direction, auxiliary adjustment in advance
The direction of the solar panels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910054031.8A CN109709990A (en) | 2019-01-21 | 2019-01-21 | Type hydraulic actuator solar energy servomechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910054031.8A CN109709990A (en) | 2019-01-21 | 2019-01-21 | Type hydraulic actuator solar energy servomechanism |
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| Publication Number | Publication Date |
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| CN109709990A true CN109709990A (en) | 2019-05-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910054031.8A Pending CN109709990A (en) | 2019-01-21 | 2019-01-21 | Type hydraulic actuator solar energy servomechanism |
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|---|---|---|---|---|
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-
2019
- 2019-01-21 CN CN201910054031.8A patent/CN109709990A/en active Pending
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