CN208996866U - A kind of pitch control device of power generation with marine energy unit - Google Patents
A kind of pitch control device of power generation with marine energy unit Download PDFInfo
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- CN208996866U CN208996866U CN201821236861.XU CN201821236861U CN208996866U CN 208996866 U CN208996866 U CN 208996866U CN 201821236861 U CN201821236861 U CN 201821236861U CN 208996866 U CN208996866 U CN 208996866U
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- terminal
- plc controller
- pitch control
- control device
- normally opened
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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
- Y02E10/20—Hydro energy
Abstract
The utility model provides a kind of pitch control device of power generation with marine energy unit comprising at least two pitch control axle boxes in parallel.The inner space of each pitch control axle box is equipped with PLC controller and servo-driver, and outside is equipped with permanent magnet synchronous motor, close switch, limit switch, pressure sensor, two rotary switches and three Self-resetting rotary switches.A normally opened contact in a normally-closed contact, two rotary switches in one of limit switch and the enabled input terminal by being connected to servo-driver after the normally opened contact parallel connection of a relay of PLC controller control, the driving enable signal as servo-driver.The pitch control device of the utility model can realize blade in a wide range of interior variable pitch movement, and the probability that can be effectively reduced the pitch control device emersion water surface maintenance of power generation with marine energy unit increases exploitation of marine energy rate to reduce maintenance time.
Description
Technical field
The utility model belongs to ocean power generation with marine energy technical field more particularly to a kind of trunnion axis power generation with marine energy unit
Pitch control device.
Background technique
Ocean marine energy resources are one of renewable and clean energy resources, and are contained near China bank island abundant.It is horizontal
The correlative study of axis power generation with marine energy is started late, and the generated output of generating set is also smaller, and is fixed pitch system.With sea
From small to large, small blade gradually develops to big blade, and fixed pitch system has been difficult to meet for the installed capacity of foreign energy generating set
The control requirement of power generation with marine energy unit.
Power generation with marine energy unit pitch-controlled system is a kind of servo drive system being installed in power generation with marine energy unit wheel hub,
Change the angular distance of blade by receiving the position command of unit master control, to reach the mesh for making impeller preferably capture ocean current kinetic energy
's.
Power generation with marine energy unit is usually run under water, and trunnion axis power generation with marine energy unit cannot yaw.Due to its spy
Different property needs to rise from after the water surface dismantles sealing cover and repairs, safeguards, to end cap after having safeguarded if occurring that failure can not be resetted
It could be lauched again after being sealed.Currently, power generation with marine energy unit wheel hub space is smaller, it is applied to trunnion axis power generation with marine energy
The blade pitch device of unit only has hydraulic pitch-controlled system, i.e., using hydraulic motor as driving mechanism, executing agency includes multiple
Gear, gear shaft, worm screw etc., mechanical transmission structure is complicated, and has the following problems: 1. the pipeline of hydraulic oil, which is easy to happen, lets out
Leakage；2. cannot remotely be safeguarded；3. requirement ratio of the hydraulic system due to being influenced by hydraulic oil viscosity-temperature characteristic, to environment temperature
It is higher.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of electric variable pitch control dress of power generation with marine energy unit
It sets, has many advantages, such as high reliablity, small in size, and can be by remotely to pitch control device because limit switch movement causes
Discommect drive make to can be carried out reset.
A kind of pitch control device of power generation with marine energy unit provided by the utility model includes at least two changes in parallel
Paddle controls axle box, and the inner space of each pitch control axle box is equipped with PLC controller and servo-driver, each described
The outside of pitch control axle box is equipped with permanent magnet synchronous motor, two close switches, two limit switches, at least one pressure pass
Sensor, two rotary switches and three Self-resetting rotary switches.It is described close to switchgear distribution at described in blade position is reached
Signal close to switch is transferred to the PLC controller, and for verifying blade position.The limit switch configuration is at by blade
The signal that position reaches the limit switch is transferred to the PLC controller, and for limiting blade in-position.The pressure
The leakage signal that sensor is used to detect wheel hub leakage situation, and will test is transferred to the PLC controller.Two rotations
Button switch is configured to be formed and transmits the signal that the pitch control axle box carries out manual variable pitch to the PLC controller.Institute
Three Self-resetting rotary switches are stated to be configured to be formed and rotate forward control signal to PLC controller transmission blade and blade is anti-
Turn control signal.
Preferably, two one close to switch be located at 5 ° of the power generation with marine energy unit wheel hub paddle flange~
20 ° of positions, two another close in switch be located at 185 ° of the power generation with marine energy unit wheel hub paddle flange~
200 ° of positions.
Preferably, one of two limit switches is located at 91 ° of the power generation with marine energy unit wheel hub paddle flange
~95 ° of positions, two limit switches another be located at 271 ° of the power generation with marine energy unit wheel hub paddle flange~
275 ° of positions.
Preferably, the PLC controller includes DI terminal, DO terminal and AI terminal, each close switch
Output terminal is connected to the DI terminal of the PLC controller, the signal as verification blade position.
Preferably, the PLC controller includes DI terminal, DO terminal and AI terminal, each described limit switch contains
Have at least one normally opened contact and at least one normally-closed contact, one at least one described normally opened contact be connected to it is described
The DI terminal of PLC controller, the signal of the limit switch is reached as the blade position.
Preferably, the PLC controller includes DI terminal, DO terminal and AI terminal, and two rotary switches include
At least two normally opened contacts, one in described two normally opened contacts is connected to the DI terminal of the PLC controller, as
The pitch control axle box carries out the signal of manual variable pitch.
Preferably, the PLC controller includes DI terminal, DO terminal and AI terminal, and three Self-resetting knobs are opened
One normally opened contact in the Central Shanxi Plain is connected to the DI terminal of the PLC controller, rotates forward as blade and controls signal, and described three
Another normally opened contact in the Self-resetting rotary switch of position is connected to the DI terminal of the PLC controller, and it is anti-to be used as blade
Turn control signal.
Preferably, the PLC controller includes DI terminal, DO terminal and AI terminal, the output of the pressure sensor
Terminal is connected to the AI terminal of the PLC controller, to transmit the leakage signal to the PLC controller.
Preferably, the servo-driver includes that loop-coupled enabled input terminal can be enabled with driving,
Each limit switch contains at least one normally opened contact and at least one normally-closed contact,
Two rotary switches contain at least two normally opened contact, two normally opened touchings described in two rotary switches
One in point is connected to the DI terminal of the PLC controller, carries out manual variable pitch as the pitch control axle box
Signal,
One at least one described normally-closed contact of one of them limit switch, in two rotary switches
In described two normally opened contacts another it is in parallel with the normally opened contact of a relay controlled by the PLC controller after connect
It is connected to the enabled input terminal of the servo-driver, the driving enable signal as the servo-driver.
The PLC controller is provided with Ethernet interface and CANopen interface, and the Ethernet interface is configured to connect
The Ethernet of the power generation with marine energy unit, the CANopen interface are configured to connect the master of the power generation with marine energy unit
Control device.
The permanent magnet synchronous motor includes brake and at least one rotary transformer, and the brake is for limiting fixation
The position of blade, the rotary transformer are used to record the position of blade.
By the utility model can realize it is following the utility model has the advantages that
1. the upgrading of control program can be carried out to pitch control device in the case where not rising from the water surface, realize pitch control
The remote maintenances such as plant failure diagnosis and reset avoid a large amount of workload and the downtimes such as unit emersion water surface；②
0 ° -90 °, 90 °~180 ° and 180 ° -270 ° a wide range of variable pitch movements are realized under automatic mode, send out unit flux and reflux can
Electricity；3. remote debugging mode realizes 0 °~360 ° range movements of blade.
Detailed description of the invention
Fig. 1 shows for the structure of the pitch control device of power generation with marine energy unit a kind of in specific embodiment of the present invention
It is intended to；
Fig. 2 is that the driving of pitch control device in Fig. 1 enables control principle schematic diagram.
Specific embodiment
The technical solution of the utility model is described in detail below with reference to the drawings and specific embodiments.
The pitch control device of the utility model can carry out feather control to the power generation with marine energy unit with multiple blades
System.Fig. 1 is shown can be to tool there are three the pitch control device that the power generation with marine energy unit of blade carries out variable pitch control, should
Pitch control device includes three pitch control axle box A, B, C in parallel, and three pitch control axle boxes control change independently of each other
Pitch operation.On the one hand the pitch control device can be connected to the master control set of power generation with marine energy unit by slip ring 1, pass through
CANopen communication modes receive instruction from master control set and are operated according to the corresponding feather of instruction execution.On the other hand, should
Pitch control device can also be connected to the Ethernet of power generation with marine energy unit, host computer (such as, PC etc.) by slip ring 1
The vane change device that is connected in Ethernet is simultaneously communicated by TCP mode, and remote maintenance functions are thus executed.
The respective inner space pitch control axle box A, B, C is provided with PLC controller 5 and servo-driver 6 (see Fig. 2).
The outside of pitch control axle box A, B, C be respectively arranged with permanent magnet synchronous motor 3 connected to it, close to switch 41 and 43, limit
Bit switch 42 and 44,40, two rotary switches 21 of pressure sensor and three Self-resetting rotary switches 22.Although Fig. 1 is shown
Two, close to switch and two limit switches, but are not limited to two close to switch and limit switch in practice, can be with
It is more than two.
As shown in Fig. 2, PLC controller 5 includes several DI terminals, DO terminal and AI terminal.Servo-driver 6 is included in
The enabled input terminal of En is denoted as in Fig. 2, enabled input terminal is connect with enabled circuit is driven, and enabled circuit closed is driven to be
The necessary condition of servo driver drives output.
Preferably, 5 °~20 ° positions of wheel hub paddle flange are mounted on close to one in switch 41 and 43, separately
One is mounted on 185 °~200 ° positions of wheel hub paddle flange, their output terminal is connected respectively to the DI of PLC controller 5
Terminal forms blade position and reaches the signal of the close switch 41 or 43 and transmit the signal to PLC controller 5, is used for school
Test the accuracy of blade position.
Limit switch 42 and 44 respectively contains at least one normally opened contact and at least one normally-closed contact.
Preferably, one in limit switch 42 and 44 is mounted on 91 °~95 ° positions of wheel hub paddle flange,
The safe shutdown position of rotary transformer failure when as 0~90 degree of operation.A normally opened touching in the limit switch 42 or 44
Point is connected to the DI terminal of PLC system 5, and the signal of the limit switch installation site is reached as blade.
Preferably, another in limit switch 42 and 44 is mounted on 271 °~275 ° positions of wheel hub paddle flange
It sets, the safe shutdown position of rotary transformer failure when as 180 °~270 ° operations.The limit switch 42 or 44 includes at least
One normally opened contact and at least one normally-closed contact, one of normally opened contact are connected to the DI terminal of PLC controller 5, make
The signal of the limit switch 42 or 44 limit switch 42 is reached for blade position or 44 one of normally-closed contact is connected on
On the enabled circuit of servo-driver, bottom stops the signal of driving after losing as blade position.
There are two mode bits for two rotary switches 21, can such as be respectively labeled as A and M, and wherein A is represented automatic, and M is represented
Manually.Three Self-resetting rotary switches 22 have tri- mode bits of F, 0 and B, at 0 under normality, form blade when rotating to F and rotate forward
Signal is controlled, knob automatically resets to 0 after release；Blade reverse control signal is formed when rotating to B, knob is automatically multiple after release
Position is to 0.
Preferably, two rotary switches 21 contain at least two normally opened contact, at least two normally opened contact
A DI terminal for being connected to PLC controller 5, the signal of manual variable pitch is carried out as pitch control axle box.This at least two
Another in normally opened contact is parallel to the normally-closed contact that the enabled terminal of servo-driver is connected in limit switch 44 or 42, and
It is connected on the enabled input terminal of servo-driver to constitute after connection and drives enabled circuit, drive of this circuit as servo-driver
Dynamic enable signal.
Preferably, two normally opened contacts of three Self-resetting rotary switches 22 are respectively F normally opened contacts and B
Normally opened contact, when they are connected respectively to the DI terminal of PLC controller 5, their action state is rotated forward respectively as blade to be controlled
Signal and blade reverse control signal processed.
Preferably, pressure sensor 40 is mounted on blade bearing, and output terminal is connected to PLC controller 5
AI terminal.Pressure sensor 40 transmits wheel hub leak detection letter for detecting wheel hub leakage situation, and to PLC controller 5
Number.
Permanent magnet synchronous motor 3 is connected with blade bearing, to control blade angle.Preferably, permanent-magnet synchronous
Motor 3 includes brake and at least one rotary transformer.Brake is used as the brake apparatus of motor, when blade runs to one
Positioning postpones, and brake action carries out limitation fixation to the position of blade.Rotary transformer is for recording blade position.
Preferably, a normally opened contact of the relay 71 (see Fig. 2) controlled by PLC controller 5 is parallel to limit
It is connected to servo-driver in bit switch 44 or 42 to enable on the normally-closed contact of input terminal, is connected to servo-driver after in parallel
Enabled input terminal on constitute and drive enabled circuit, this circuit is used as the driving enable signal of servo-driver.
The pitch-controlled system of power generation with marine energy unit causes to lose blade position data due to failures such as rotary transformer jumps
Later, blade can be driven to be rotated up to wide-angle position just to stop with after limit switch collision.As to pitch-controlled system into
One step is protected, and the normally-closed contact in one of limit switch is connected in the enabled circuit of servo-driver, and limit movement can
It is enabled to disconnect servo-driver, from the underlying programs of driver control blade so that blade stopping continues driving rotation, and
Blade angle is parked in home.
After being resetted to failure, can after debugging tool remotely enters debugging mode by DO output control in a manner of,
Bypass the normally-closed contact of limit switch, so that the enabled circuit closed of servo-driver, exits limit action state, to drive
Dynamic blade returns to running position.
Preferably, PLC controller 5 is provided with Ethernet interface and CANopen interface, and Ethernet interface is as sea
Debugging/maintenance interface of the pitch control device of foreign energy generating set, is configured to be connected to the ether of power generation with marine energy unit
Net.
Operation control interface of the CANopen interface as pitch control device, is configured to be connected to ocean power generator
The master control set of group.
Compared to the prior art, the pitch control device of the utility model have integrated level it is high, it is compact-sized, small in size,
The advantages that safety, more preferable stability.Furthermore, it is possible to remotely carry out the upgrading of control program to the pitch control device, failure is examined
The operation such as disconnected, failure reset.It can realize that 0 °~270 ° three quadrants act in automatic mode using the pitch control device,
The movement of 0 °~360 ° four quadrants is realized under remote debugging mode, can safeguards system operational safety be able to achieve 360 ° of blade again
Variable pitch movement.
The above specific embodiment and attached drawing are intended merely to illustrate, and are used to help more fully understand the think of of the utility model
Think, and is not intended to limit the scope of the present invention.In the case where not departing from the spirit of the present invention, art technology
The technology contents that personnel can use the disclosure above simply modify the utility model, equivalent variations or modification.These are repaired
Change, equivalent variations or modification should all be fallen within the scope of the present invention.
Claims (11)
1. a kind of pitch control device of power generation with marine energy unit comprising at least two pitch control axle boxes in parallel, each
The inner space of the pitch control axle box is equipped with PLC controller and servo-driver, each pitch control axle box
Outside is equipped with permanent magnet synchronous motor, two close switches, two limit switches, at least one pressure sensor, two knobs
Switch and three Self-resetting rotary switches, which is characterized in that
It is described to be transferred to the PLC controller at the signal that blade position is reached the close switch close to switchgear distribution, and
For verifying blade position,
The limit switch configuration is transferred to the PLC controller at the signal that blade position is reached the limit switch, and
For limiting blade in-position,
The leakage signal that the pressure sensor is used to detect wheel hub leakage situation, and will test is transferred to the PLC control
Device,
Two rotary switches are configured to be formed and transmit the pitch control axle box to the PLC controller to carry out manually
The signal of variable pitch,
Three Self-resetting rotary switches be configured to be formed and to PLC controller transmission blade rotate forward control signal and
Blade reverse control signal.
2. pitch control device according to claim 1, it is characterised in that: two one close to switch are located at institute
5 °~20 ° positions of power generation with marine energy unit wheel hub paddle flange are stated, two another close in switch are located at described
185 °~200 ° positions of power generation with marine energy unit wheel hub paddle flange.
3. pitch control device according to claim 1, it is characterised in that: one of two limit switches is located at institute
91 °~95 ° positions of power generation with marine energy unit wheel hub paddle flange are stated, another of two limit switches is located at the sea
271 °~275 ° positions of foreign energy generating set hub paddle flange.
4. pitch control device according to claim 1 or 2, it is characterised in that: the PLC controller include DI terminal,
DO terminal and AI terminal, each output terminal close to switch are connected to the DI terminal of the PLC controller,
Signal as verification blade position.
5. pitch control device according to claim 1, it is characterised in that: the PLC controller includes DI terminal, the end DO
Son and AI terminal, each described limit switch contain at least one normally opened contact and at least one normally-closed contact, it is described extremely
One in a few normally opened contact is connected to the DI terminal of the PLC controller, is used as the blade position and reaches institute
State the signal of limit switch.
6. pitch control device according to claim 1, it is characterised in that: the PLC controller includes DI terminal, the end DO
Son and AI terminal, two rotary switches contain at least two normally opened contact, a company in described two normally opened contacts
It is connected to the DI terminal of the PLC controller, the signal of manual variable pitch is carried out as the pitch control axle box.
7. pitch control device according to claim 1, it is characterised in that: the PLC controller includes DI terminal, the end DO
Son and AI terminal, a normally opened contact in three Self-resetting rotary switches are connected to the described of the PLC controller
DI terminal is used as blade and rotates forward control signal, another normally opened contact in three Self-resetting rotary switches is connected to institute
The DI terminal of PLC controller is stated, blade reverse control signal is used as.
8. pitch control device according to claim 1, it is characterised in that: the PLC controller includes DI terminal, the end DO
Son and AI terminal, the output terminal of the pressure sensor are connected to the AI terminal of the PLC controller, so as to institute
It states PLC controller and transmits the leakage signal.
9. pitch control device according to claim 4, it is characterised in that: the servo-driver includes that can make with driving
The loop-coupled enabled input terminal of energy,
Each limit switch contains at least one normally opened contact and at least one normally-closed contact,
Two rotary switches contain at least two normally opened contact, in two normally opened contacts described in two rotary switches
A DI terminal for being connected to the PLC controller, the signal of manual variable pitch is carried out as the pitch control axle box,
One at least one described normally-closed contact of one of them limit switch, described in two rotary switches
In two normally opened contacts another it is in parallel with the normally opened contact of a relay controlled by the PLC controller after be connected to
The enabled input terminal of the servo-driver, the driving enable signal as the servo-driver.
10. pitch control device according to claim 1, it is characterised in that: the PLC controller is provided with Ethernet and connects
Mouth and CANopen interface, the Ethernet interface is configured to connect the Ethernet of the power generation with marine energy unit, described
CANopen interface is configured to connect the master control set of the power generation with marine energy unit.
11. pitch control device according to claim 1, it is characterised in that: the permanent magnet synchronous motor includes brake
With at least one rotary transformer, the brake is used to limit the position of fixed blades, and the rotary transformer is for recording
The position of blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821236861.XU CN208996866U (en) | 2018-08-02 | 2018-08-02 | A kind of pitch control device of power generation with marine energy unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821236861.XU CN208996866U (en) | 2018-08-02 | 2018-08-02 | A kind of pitch control device of power generation with marine energy unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208996866U true CN208996866U (en) | 2019-06-18 |
Family
ID=66797777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821236861.XU Active CN208996866U (en) | 2018-08-02 | 2018-08-02 | A kind of pitch control device of power generation with marine energy unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208996866U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109058037A (en) * | 2018-08-02 | 2018-12-21 | 固安华电天仁控制设备有限公司 | A kind of variable blade control system of power generation with marine energy unit |
| CN113454336A (en) * | 2021-04-25 | 2021-09-28 | 远景能源有限公司 | Variable-pitch installation and debugging system and operation method thereof |
-
2018
- 2018-08-02 CN CN201821236861.XU patent/CN208996866U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109058037A (en) * | 2018-08-02 | 2018-12-21 | 固安华电天仁控制设备有限公司 | A kind of variable blade control system of power generation with marine energy unit |
| CN113454336A (en) * | 2021-04-25 | 2021-09-28 | 远景能源有限公司 | Variable-pitch installation and debugging system and operation method thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 065500 Industrial Park, Gu'an County, Langfang City, Hebei Province Patentee after: Guoneng information technology (Hebei) Co.,Ltd. Address before: 065500 North District of Gu'an Industrial Park, Langfang City, Hebei Province Patentee before: GU'AN HUADIAN TIANREN CONTROL EQUIPMENT Co.,Ltd. |
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| CP03 | Change of name, title or address |