CN202645854U - Wind driven generator set manual propeller adjusting device - Google Patents
Wind driven generator set manual propeller adjusting device Download PDFInfo
- Publication number
- CN202645854U CN202645854U CN 201220110637 CN201220110637U CN202645854U CN 202645854 U CN202645854 U CN 202645854U CN 201220110637 CN201220110637 CN 201220110637 CN 201220110637 U CN201220110637 U CN 201220110637U CN 202645854 U CN202645854 U CN 202645854U
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- CN
- China
- Prior art keywords
- contactor
- generating set
- wind generating
- power supply
- propeller device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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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
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The utility model relates to a wind driven generator set manual propeller adjusting device which comprises a control cabinet and a transformer which is arranged inside the control cabinet, wherein an alternating current power supply connected with the outside of the control cabinet is converted into a direct current power supply by the transformer, and a servo motor of a propeller adjusting system is powered up by the transformer. On the condition that a 400-volt main power supply can not be provided in a wind field hoisting site, a 230-volt outer alternating current power supply can achieve manual propeller adjusting to help a generator set to achieve hoisting work. A rapid work pattern and a slow work pattern are provided to achieve rapid and accurate location of zeros of propeller adjusting bearings and blades. In addition, electronic brake testing for a propeller motor can be conducted independently before the wind driven generator set manual propeller adjusting device is used, and therefore the wind driven generator set manual propeller adjusting device is suitable for being popularized and used.
Description
Technical field
The utility model relates to the wind-powered electricity generation field, particularly a kind of Manual variable-propeller device for wind generating set.
Background technique
In wind-powered electricity generation unit hoisting process, the accurate contraposition of blades installation is an operation job complicated and consuming time in the lifting work, in addition, because this need of work was finished at the lifting initial stage, at this moment pitch-controlled system does not possess the condition of powering on or on-the-spot 400V power supply facilities not yet is in place, and therefore can't utilize the driver operation DC servo motor of pitch-controlled system in the wheel hub to finish rotation and the location work of pitch variable bearings.
This shows, how to found a kind of on-the-spot in the wind field lifting, when wind generating set pitch control system does not supply the 400V electricity, can utilize the 230V external ac power source to drive the pitch variable bearings rotation, and blade carried out the Manual variable-propeller device for wind generating set of the new structure of contraposition, be one of current important subject in related domain.
The model utility content
The technical problems to be solved in the utility model provides a kind of Manual variable-propeller device for wind generating set, make it can utilize on-the-spot 230V alternator to realize pitch-controlled system control, by driving the rotation of DC servo motor control pitch variable bearings, thereby take full advantage of the on-the-spot physical condition of lifting, solve the practical difficulty in the hoisting process, overcome the deficiency of existing wind generating set pitch control device.
For solving the problems of the technologies described above, a kind of Manual variable-propeller device for wind generating set of the utility model, mainly comprise control cabinet and be installed in the interior transformer of control cabinet that transformer is converted to dc power supply with the outside ac power supply that connects of control cabinet and powers to the actuating motor of pitch-controlled system.
As a kind of improvement of the present utility model, described transformer has high and low two kinds of VDC grades output, powers to actuating motor by the high, low speed contactor respectively.
Be equipped with normally opened contact and normally closed auxiliary contact on the control loop of described high, low speed contactor, and normally closed auxiliary contact is concatenated into respectively formation interlocking in the other side's control loop.
Also be connected with the clockwise and counterclockwise contactor that changes to actuating motor power supply polarity on the output circuit of described high, low speed contactor.
Be equipped with three normally opened contacts and a normally closed auxiliary contact on the control loop of described clockwise and counterclockwise contactor, and normally closed auxiliary contact is concatenated into respectively and forms interlocking in the other side's control loop.
Described transformer also and be connected to the electric brake test loop, this loop mainly comprises the electric brake contactor and external ac power source is converted to DC electrical source and to the rectifier of the electric brake module for power supply of pitch-controlled system.
What described clockwise and counterclockwise contactor also was provided with control electric brake contactor often drives auxiliary contact.
Described control cabinet is circumscribed with button box, and the contactor control knob in the control cabinet all is arranged on this button box.
Be provided with power switch between described transformer and the external ac power source.
Described power switch is arranged on the control cabinet.
After adopting such structure, the utility model has the following advantages at least:
1, can't provide in the situation of 400V primary power supply at wind field lifting scene, utilize the 230V external ac power source can realize manually becoming oar, help through the lifting work of unit;
2, provide fast and two kinds of mode of operations at a slow speed, realize pitch variable bearings zero point and blade zero point fast, precisely contraposition;
3, can before using, carry out the electric brake test to becoming the oar motor separately, thereby be more suitable for promoting the use of.
Description of drawings
Above-mentioned only is the general introduction of technical solutions of the utility model, and for can clearer understanding technological means of the present utility model, the utility model is described in further detail below in conjunction with accompanying drawing and embodiment.
Fig. 1 is the connection diagram of the utility model Manual variable-propeller device for wind generating set.
Fig. 2 is the utility model Manual variable-propeller device for wind generating set embodiment's circuit theory diagrams.
Embodiment
See also Fig. 1, shown in Figure 2, the utility model Manual variable-propeller device for wind generating set, mainly comprise control cabinet and be installed in the interior transformer of control cabinet that this transformer is converted to dc power supply with the outside ac power supply that connects of control cabinet and powers to the actuating motor of pitch-controlled system.
Specifically, outside interim ac power supply is connected with Manual variable-propeller device by power supply and the controller plug of feed cable and control cabinet right flank, and the transformer of utilized device inside is converted to dc power supply.Dc power supply docks controlled change oar motor the corresponding interface by the motor power plug, connects and drive by power cable to become the oar DC servo motor, the pitch variable bearings action on the DC servo motor drive hub.
In addition, as shown in the figure, control cabinet right flank top can arrange a power switch, control power connection and disconnection.Control cabinet also can be by power supply and controller plug, the external button box of control cables, and each control knob all is arranged on this button box, makes it carry out remote operation to Manual variable-propeller device.Button box for example comprises that respectively control becomes four buttons that the oar motor turned clockwise, is rotated counterclockwise, selected velocity mode and electric brake test.
Better, as shown in Figure 2, Manual variable-propeller device has fast and two kinds of patterns at a slow speed, therefore transformer has high and low two kinds of VDC grades output, trigger high speed or low speed contact device in the control cabinet by speed set button on the button box, by the high, low speed contactor high voltage or low voltage are supplied with actuating motor respectively, realize the quick or slow running pattern of Manual variable-propeller device.When the zero point on the pitch variable bearings and the zero distance on the blade are far away, can utilize quick mode, the zero point of the zero point on the control pitch variable bearings on the fast approaching blade.When the zero point on the pitch variable bearings and the zero distance on the blade near the time, can utilize slow speed mode to carry out exactitude position.
On the output circuit of high, low speed contactor, can be connected with the clockwise and counterclockwise contactor that changes to actuating motor power supply polarity, control by the clockwise and counterclockwise button on the button box respectively.The polarity of the DC electrical source by change supplying with actuating motor realize actuating motor clockwise and be rotated counterclockwise, finally control pitch variable bearings clockwise and be rotated counterclockwise.Change the pitch variable bearings dead-center position according to on-the-spot actual demand, with blade dead-center position accurate contraposition.
In addition, also there is an independent change oar motor electronic brake diagnostic test loop in the utility model Manual variable-propeller device, this electric brake test loop and transformer also connect, mainly comprise electric brake contactor and rectifier, rectifier is converted to DC electrical source with external ac power source, supplies with the electric brake module that becomes the oar motor.The electric brake contactor can be controlled by the change oar motor electronic brake diagnostic test button on the button box, and the DC electronic brake that becomes the oar motor is tested separately.
In the embodiment shown in Figure 2, external power supply by feed cable and Manual variable-propeller device right flank power source and control interface receive-the X1 terminal on, receive on the input terminal of transformer-1T1 through the power switch-1Q1 on the Manual variable-propeller device right flank and the circuit breaker-1F1 of Manual variable-propeller device inside.
Transformer-1T1 converts the 230V ac power supply of input to the DC electrical source output of high and low two electric pressures.High-voltage dc power supply output is through the normally opened contact 1,2 of rapid contactless-1K5, low-voltage dc power supply output is through the normally opened contact 1,2 of contactor-1K4 at a slow speed, wherein rapid contactless-1K5 and at a slow speed the coil power supply of contactor-1K4 select button-1S4 to control by the velocity mode on the button box.Rapid contactless-1K5 and at a slow speed the normally closed auxiliary contact 13,14 of contactor-1K4 go here and there respectively and form interlocking in the other side's the control loop.
Through rapid contactless-1K5 and the DC electrical source behind the normally opened contact 1,2 of contactor-1K4 at a slow speed, pass through again the normally opened contact 1,2 of circuit breaker-1F2, clockwise contactor-1K1 and counterclockwise contactor-1K2,3,4 and 5,6, finally be loaded on the armature and field coil that becomes the oar motor.The coil power supply of contactor-1K1 and counterclockwise contactor-1K2 is respectively by the clockwise button-1S2 on the button box and counterclockwise button-1S3 control clockwise.Clockwise contactor-1K1 and counterclockwise the normally closed auxiliary contact 21,22 of contactor-1K2 go here and there respectively and form interlocking in the other side's the control loop.
The 230V communication power supply is through behind circuit breaker-1F1, and rectifier-1A1 is supplied with through electric brake contactor-1K3 in another loop, and rectifier is rectified into DC electrical source with ac power supply and is loaded on the electric brake that becomes the oar motor.The coil power supply of electric brake contactor-1K3 is by the button of the electric brake on the button box-1S1 control, can carry out independent electric brake test, also can by clockwise contactor-1K1 and counterclockwise contactor-1K2 often open auxiliary contact 13,14 controls, guarantee to become oar motor electric brake when doing clockwise and being rotated counterclockwise and discharge.
The above; it only is preferred embodiment of the present utility model; be not that the utility model is done any pro forma restriction, those skilled in the art utilize the technology contents of above-mentioned announcement to make a little simple modification, equivalent variations or modification, all drop in the protection domain of the present utility model.
Claims (10)
1. Manual variable-propeller device for wind generating set, it is characterized in that mainly comprising control cabinet and be installed in the interior transformer of control cabinet that transformer is converted to dc power supply with the outside ac power supply that connects of control cabinet and powers to the actuating motor of pitch-controlled system.
2. Manual variable-propeller device for wind generating set according to claim 1 is characterized in that described transformer has high and low two kinds of VDC grades output, powers to actuating motor by the high, low speed contactor respectively.
3. Manual variable-propeller device for wind generating set according to claim 2, it is characterized in that being equipped with normally opened contact and normally closed auxiliary contact on the control loop of described high, low speed contactor, and normally closed auxiliary contact is concatenated into respectively and forms interlocking in the other side's control loop.
4. Manual variable-propeller device for wind generating set according to claim 2 is characterized in that also being connected with the clockwise and counterclockwise contactor that changes to actuating motor power supply polarity on the output circuit of described high, low speed contactor.
5. Manual variable-propeller device for wind generating set according to claim 4, it is characterized in that being equipped with three normally opened contacts and a normally closed auxiliary contact on the control loop of described clockwise and counterclockwise contactor, and normally closed auxiliary contact is concatenated into respectively and forms interlocking in the other side's control loop.
6. Manual variable-propeller device for wind generating set according to claim 4, it is characterized in that described transformer also and be connected to the electric brake test loop, this loop mainly comprises the electric brake contactor and external ac power source is converted to DC electrical source and to the rectifier of the electric brake module for power supply of pitch-controlled system.
7. Manual variable-propeller device for wind generating set according to claim 6, what it is characterized in that described clockwise and counterclockwise contactor also is provided with control electric brake contactor often drives auxiliary contact.
8. each described Manual variable-propeller device for wind generating set according to claim 2-7 is characterized in that described control cabinet is circumscribed with button box, and the contactor control knob in the control cabinet all is arranged on this button box.
9. each described Manual variable-propeller device for wind generating set according to claim 1-7 is characterized in that being provided with power switch between described transformer and the external ac power source.
10. Manual variable-propeller device for wind generating set according to claim 9 is characterized in that described power switch is arranged on the control cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220110637 CN202645854U (en) | 2012-03-22 | 2012-03-22 | Wind driven generator set manual propeller adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220110637 CN202645854U (en) | 2012-03-22 | 2012-03-22 | Wind driven generator set manual propeller adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202645854U true CN202645854U (en) | 2013-01-02 |
Family
ID=47414971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220110637 Expired - Lifetime CN202645854U (en) | 2012-03-22 | 2012-03-22 | Wind driven generator set manual propeller adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202645854U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102588212A (en) * | 2012-03-22 | 2012-07-18 | 国电联合动力技术有限公司 | Manual variable-propeller device for wind generating set |
| CN109989881A (en) * | 2019-05-21 | 2019-07-09 | 国电联合动力技术有限公司 | Control device and its control method and unit for single blade of wind turbine lifting |
-
2012
- 2012-03-22 CN CN 201220110637 patent/CN202645854U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102588212A (en) * | 2012-03-22 | 2012-07-18 | 国电联合动力技术有限公司 | Manual variable-propeller device for wind generating set |
| CN109989881A (en) * | 2019-05-21 | 2019-07-09 | 国电联合动力技术有限公司 | Control device and its control method and unit for single blade of wind turbine lifting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: NATIONAL ELECTRIC NEW ENERGY TECHNOLOGY INSTITUTE Effective date: 20130701 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130701 Address after: 100000 Beijing City, Zhongguancun, South Street, building B, building No., level 56, level 16 Patentee after: Guodian United Power Technology Co., Ltd. Patentee after: Guodian New Energy Technology Institute Address before: 100000 Beijing City, Zhongguancun, South Street, building B, building No., level 56, level 16 Patentee before: Guodian United Power Technology Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130102 |