CN207586722U - A kind of twin shaft photovoltaic intelligent follow-up control apparatus based on PLC - Google Patents
A kind of twin shaft photovoltaic intelligent follow-up control apparatus based on PLC Download PDFInfo
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- CN207586722U CN207586722U CN201721426093.XU CN201721426093U CN207586722U CN 207586722 U CN207586722 U CN 207586722U CN 201721426093 U CN201721426093 U CN 201721426093U CN 207586722 U CN207586722 U CN 207586722U
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- 238000004891 communication Methods 0.000 claims abstract description 16
- 230000005611 electricity Effects 0.000 claims description 6
- 239000011159 matrix material Substances 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000013480 data collection Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 208000033999 Device damage Diseases 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 241000127225 Enceliopsis nudicaulis Species 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
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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
- 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
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- Photovoltaic Devices (AREA)
Abstract
The utility model provides a kind of twin shaft photovoltaic intelligent follow-up control apparatus based on PLC, including PLC, is connected on PLC：The wireless communication device carried out wireless communication with outside；Show the text display of current photovoltaic bracket operating parameter；Obtain the Hall sensor of current photovoltaic bracket angle of revolution；Obtain the anemobiagraph of wind speed in environment nowadays；Obtain the angular transducer of the current pitch angle of photovoltaic bracket；To the initial position of photovoltaic bracket limited close to switch；The east orientation limit switch limited to the east orientation inclination angle of photovoltaic bracket；The west limited to the west of photovoltaic bracket to inclination angle is to limit switch；The south orientation limit switch limited to the south orientation inclination angle of photovoltaic bracket；The north orientation limit switch limited to the north orientation inclination angle of photovoltaic bracket；The turning motor being adjusted to the East and West direction angle of revolution of photovoltaic bracket；The pitching motor being adjusted to the north-south pitch angle of photovoltaic bracket.The utility model has higher stability and antijamming capability.
Description
Technical field
The utility model is related to a kind of twin shaft photovoltaic intelligent follow-up control apparatus based on PLC.
Background technology
With the consumption of the conventional non-renewable energy resources such as coal, oil, the energy resource structure based on conventional energy resource is not
The demand of sustainable development is adapted to, energy problem has become an important factor for restricting human progress, and the mankind have to look for hold
The energy road of supervention exhibition could alleviate the contradiction of energy shortage and human society high speed development.Solar energy is as a kind of cleaning
Free of contamination regenerative resource has been to be concerned by more and more people, and development prospect is boundless.But solar energy there is it is intermittent,
Density is low, intensity of illumination and direction continually changing problem at any time, only makes photovoltaic panel vertical with the holding of sunray moment,
It just can effectively solve the problem that these problems, improve the utilization rate of solar energy, improve the generating efficiency of photovoltaic plant.It is sent out according to investigation
Existing, double-axis tracking control device is divided by feedback signal is whether there is：Opened loop control, closed-loop control.For opened loop control, closed loop control
System increases feedback signal so that control system control accuracy higher, but also accordingly increased production cost.And it is existing with
Track system stability is poor, during tracking due to excessively rotating or other extraneous environmental factors cause, device easily go out therefore
Barrier.
Utility model content
The utility model provides a kind of twin shaft photovoltaic intelligent follow-up control apparatus based on PLC, is deposited with solving the prior art
The problem of.
The utility model uses following technical scheme：
A kind of twin shaft photovoltaic intelligent follow-up control apparatus based on PLC, including PLC, is connected on the PLC：
The wireless communication device carried out wireless communication with outside；
Show the text display of current photovoltaic bracket operating parameter；
Obtain the Hall sensor of current photovoltaic bracket angle of revolution；
Obtain the anemobiagraph of wind speed in environment nowadays；
Obtain the angular transducer of the current pitch angle of photovoltaic bracket；
To the initial position of photovoltaic bracket limited close to switch；
The east orientation limit switch limited to the east orientation inclination angle of photovoltaic bracket；
The west limited to the west of photovoltaic bracket to inclination angle is to limit switch；
The south orientation limit switch limited to the south orientation inclination angle of photovoltaic bracket；
The north orientation limit switch limited to the north orientation inclination angle of photovoltaic bracket；
The turning motor being adjusted to the East and West direction angle of revolution of photovoltaic bracket；
The pitching motor being adjusted to the north-south pitch angle of photovoltaic bracket.
Further, the PLC is powered using single-phase 220V power supplys；The single-phase 220V power supplys are turned by Switching Power Supply VC1
It is that turning motor and pitching motor are powered after turning to 24V power supplys；In being provided between the turning motor and Switching Power Supply VC1
Between II K2 of I K1 of relay and intermediate relay；III K3 of intermediate relay is provided between the pitching motor and Switching Power Supply VC1
With IV K4 of intermediate relay.
Further, babinet is further included, multiple openings are set on the babinet, opening installs the text being connected with PLC respectively
This display, indicator light and rotary switch；The indicator light includes east orientation indicator light, photovoltaic bracket of the photovoltaic bracket towards east orientation
Towards west to the north orientation of west to indicator light, photovoltaic bracket towards the south orientation indicator light of south orientation, photovoltaic bracket towards north orientation indicate
Lamp, the rotary switch include manual/auto rotary switch, east orientation/west to rotary switch, south orientation/north orientation rotary switch.
Further, it is equal at each photovoltaic generation matrix when photo-voltaic power generation station is made of multiple photovoltaic generation matrixes
One control device is set, and module communicates, and the wireless communication module and number by radio communication between each control device
It is connected according to server communication, data server is communicated to connect with remote control terminal.
The beneficial effects of the utility model：The utility model, into line trace, is had higher stability and resisted dry using PLC
Disturb ability；It is positioned proximate to switch and limit switch simultaneously, the rotation position of device can be limited, prevents from excessively rotating and make
Into device damage；Also module it can carry out wireless remote monitering by radio communication.
Description of the drawings
Fig. 1 is the external box of microvave schematic diagram of the control device of the utility model.
Fig. 2 is data collection and control system power schematic diagram.
Fig. 3 is data collection and control system hardware configuration figure.
Fig. 4 is the system topological figure of the utility model.
Fig. 5 is the schematic diagram of photovoltaic bracket.
Fig. 6 is the installation position of angular position sensor of location A in Fig. 5.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
The present invention is applied to double-axis tracking and controls, and executing agency is controlled to be rotated by PLC, realizes the purpose of tracking.
The above-mentioned executing agency applied to photovoltaic panel（That is twin shaft photovoltaic bracket）For the prior art, for photovoltaic panel reality
Existing transmeridional revolution operation and the pitching in north-south operate, i.e., the executing agency of twin shaft includes being used to support East and West direction revolution fortune
Dynamic swing mechanism（Such as 1 position in Fig. 5）With the actuating unit such as turning motor for driving the rotation of swing mechanism East and West direction；And branch
Support the luffing mechanism of north-south pitching movement（2 positions in Fig. 5）With the engine for driving the pitching operation of luffing mechanism north-south
Structure such as pitching motor.
As shown in Figure 1, the control device of the utility model includes babinet, multiple openings are set on the front tank wall of babinet,
Opening installs the text display being connect with PLC, indicator light and rotary switch respectively.Indicator light includes photovoltaic panel towards east
To east orientation indicator light, photovoltaic panel towards east orientation west to indicator light, photovoltaic panel towards south orientation south orientation indicator light, photovoltaic
Panel is towards north orientation indicator light, the power supply indicator of north orientation.Rotary switch includes manual/auto rotary switch, east orientation/west to rotation
Turn on pass, south orientation/north orientation rotary switch.
The control system hardware configuration of the utility model wirelessly communicates as shown in figure 3, comprising PLC and wireless communication module
Module is preferably using 3G/4G communication modules, and the wireless communication module with long-range data server network for connecting, data clothes
The industrial personal computer of business device and remote control terminal communicates to connect.Text display is also associated on PLC, text display is used for showing tiltedly
The uniaxial running relevant parameter of photovoltaic bracket, for example, system time, local longitude and latitude, the true bearing angle of the sun, elevation angle,
Current pitch angle, angle of revolution etc..The signal of communication plate of PLC（SB）Also pass through Modbus rtu protocols and angular transducer
It is communicatively coupled, acquires the pitch angle of the luffing mechanism of photovoltaic bracket；Hall sensor is also associated on PLC, for adopting
Collect the angle of revolution of the swing mechanism of photovoltaic bracket.
As shown in figure 5, angular transducer 3 is mounted on the rack longeron of photovoltaic module, for obtaining luffing mechanism reality
The angle of rotation, and Hall sensor is integrated in inside turning motor, for obtaining the practical angle of revolution rotated of swing mechanism.
The anemobiagraph for obtaining wind speed in environment nowadays is additionally provided on PLC；If wind speed is more than the wind speed threshold of setting
Value, easily damages photovoltaic module, and therefore, in the case of this kind, PLC sends out signal to motor and stops photovoltaic tracking.
It, will be to stent and control system beyond the range since general photovoltaic panel is needed into line trace in certain range
System damages, and therefore, it is necessary to east orientation inclination angle, the west to photovoltaic panel to limit to inclination angle, south orientation inclination angle, north orientation inclination angle, this
The method used in utility model is to set mechanical limit switch to, the extreme position of south orientation, north orientation in east orientation, west, i.e.,：East orientation
Limit switch, west coordinate timing, determine angle side out of service to limit switch, south orientation limit switch, north orientation limit switch
Method carries out multiple protective to stent and control system.When photovoltaic bracket runs to the limit spacing position of the switch, stop tracking.
It is also associated with approaching switch on PLC, be limited close to switch for the initial position to photovoltaic bracket, when daily
Dusk when, photovoltaic bracket returns to initial position, close to switch for being limited to the position.
As shown in Fig. 2, control system general supply and PLC working powers are handed over using single-phase 220V, 50HZ in the utility model
Galvanic electricity source, driving the motor power of biaxial movement of photovoltaic bracket, the DC power supply is by Switching Power Supply using 24V DC power supplies
VC1 is converted）, motor use low-power consumption direct current generator, intermediate relay I is provided between motor and 24V DC power supplies
K1, II K2 of intermediate relay, III K3 of intermediate relay, IV K4 of intermediate relay, send out control signal, by control by PLC
Between I K1 of relay and II K2 of intermediate relay so that control turning motor, change the transmeridional rotation angle of photovoltaic panel, pass through
It controls III K3 of intermediate relay and IV K4 of intermediate relay and then controls pitching motor, change the rotation angle in photovoltaic panel north-south
Degree, and then photovoltaic matrix is from motion tracking running track from sun.
In particular it is necessary to when carrying out pitch control, PLC output control signals make III K3 of intermediate relay and it is intermediate after
The coil of IV K4 of electric appliance obtains electric, and then the normally opened main contacts of IV K4 of III K3 of intermediate relay and intermediate relay is attracted, pitching
Motor obtains electricity operation, and stent starts north-south tracking；When not needing to carry out pitch control constantly, PLC stops output control signal,
The coil losing electricity of IV K4 of III K3 of intermediate relay and intermediate relay, and then IV K4 of III K3 of intermediate relay and intermediate relay
Normally opened main contacts disconnects, and pitching motor is out of service, and luffing mechanism stops tracking.
When carrying out revolution control, PLC output control signals make the line of II K2 of I K1 of intermediate relay and intermediate relay
It encloses electric, and then the normally opened main contacts of II K2 of I K1 of intermediate relay and intermediate relay is attracted, turning motor is electric to obtain electric fortune
Row, stent start East and West direction rotation；When not needing to carry out revolution control, then PLC stops output control signal, intermediate relay
The coil losing electricity of II K2 of I K1 and intermediate relay, and then the normally opened main contacts of II K2 of I K1 of intermediate relay and intermediate relay breaks
It opens, turning motor is out of service, and swing mechanism stops rotating.
Photo-voltaic power generation station generally all has multiple photovoltaic generation matrixes composition, and each matrix that generates electricity installs a set of control dress
It puts, is communicatively coupled between each matrix by 3G/4G wireless communication modules, realize that the tracking of each photovoltaic bracket synchronizes,
Reduce the laying amount of cable or optical fiber.3G/4G wireless communication modules store collected information to data by Internet
Server, then industrial personal computer is connected, it can be achieved that the monitoring of the long-range operating status to photovoltaic bracket, reduces power station and patrol by server
The working strength of personnel is looked into, achievees the purpose that long-distance centralized control.
Claims (3)
1. a kind of twin shaft photovoltaic intelligent follow-up control apparatus based on PLC, it is characterised in that：Including PLC, connected on the PLC
Have：
The wireless communication device carried out wireless communication with outside；
Show the text display of current photovoltaic bracket operating parameter；
Obtain the Hall sensor of current photovoltaic bracket angle of revolution；
Obtain the anemobiagraph of wind speed in environment nowadays；
Obtain the angular transducer of the current pitch angle of photovoltaic bracket；
To the initial position of photovoltaic bracket limited close to switch；
The east orientation limit switch limited to the east orientation inclination angle of photovoltaic bracket；
The west limited to the west of photovoltaic bracket to inclination angle is to limit switch；
The south orientation limit switch limited to the south orientation inclination angle of photovoltaic bracket；
The north orientation limit switch limited to the north orientation inclination angle of photovoltaic bracket；
The turning motor being adjusted to the East and West direction angle of revolution of photovoltaic bracket；
The pitching motor being adjusted to the north-south pitch angle of photovoltaic bracket.
2. a kind of twin shaft photovoltaic intelligent follow-up control apparatus based on PLC according to claim 1, it is characterised in that：
The PLC is powered using single-phase 220V power supplys；The single-phase 220V power supplys pass through Switching Power Supply（VC1）It is converted into 24V electricity
It is that turning motor and pitching motor are powered behind source；The turning motor and Switching Power Supply（VC1）Between be provided with intermediate relay
Ⅰ（K1）With intermediate relay II（K2）；The pitching motor and Switching Power Supply（VC1）Between be provided with intermediate relay III（K3）
With intermediate relay IV（K4）.
3. a kind of twin shaft photovoltaic intelligent follow-up control apparatus based on PLC according to claim 1, it is characterised in that：
Babinet is further included, multiple openings are set on the babinet, opening is installed the text display being connected with PLC, referred to respectively
Show lamp and rotary switch；The indicator light include photovoltaic bracket towards the east orientation indicator light of east orientation, photovoltaic bracket towards west to
West is to indicator light, photovoltaic bracket towards the south orientation indicator light of south orientation, photovoltaic bracket towards the north orientation indicator light of north orientation, the rotation
Switch includes manual/auto rotary switch, east orientation/west to rotary switch, south orientation/north orientation rotary switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721426093.XU CN207586722U (en) | 2017-10-31 | 2017-10-31 | A kind of twin shaft photovoltaic intelligent follow-up control apparatus based on PLC |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721426093.XU CN207586722U (en) | 2017-10-31 | 2017-10-31 | A kind of twin shaft photovoltaic intelligent follow-up control apparatus based on PLC |
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| Publication Number | Publication Date |
|---|---|
| CN207586722U true CN207586722U (en) | 2018-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721426093.XU Expired - Fee Related CN207586722U (en) | 2017-10-31 | 2017-10-31 | A kind of twin shaft photovoltaic intelligent follow-up control apparatus based on PLC |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107526331A (en) * | 2017-10-31 | 2017-12-29 | 华电郑州机械设计研究院有限公司 | A kind of twin shaft photovoltaic intelligent follow-up control apparatus and method based on PLC |
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2017
- 2017-10-31 CN CN201721426093.XU patent/CN207586722U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107526331A (en) * | 2017-10-31 | 2017-12-29 | 华电郑州机械设计研究院有限公司 | A kind of twin shaft photovoltaic intelligent follow-up control apparatus and method based on PLC |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180706 |