CN204591592U - A kind of blade anti-icing and de-icing device for wind-driven generator - Google Patents
A kind of blade anti-icing and de-icing device for wind-driven generator Download PDFInfo
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- CN204591592U CN204591592U CN201520108809.6U CN201520108809U CN204591592U CN 204591592 U CN204591592 U CN 204591592U CN 201520108809 U CN201520108809 U CN 201520108809U CN 204591592 U CN204591592 U CN 204591592U
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- icing
- blade
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- resistance silk
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Abstract
The utility model discloses a kind of blade anti-icing and de-icing device for wind-driven generator.This device comprises single-chip microcomputer, for the D.C. resistance silk screen heated to blade, for detecting the icing detector whether blade freezes outward, for detecting the temperature and humidity sensor of leaf temperature and humidity of the air, for controlling the relay of D.C. resistance silk screen power on/off; Two I/O input ends of the output terminal of icing detector and the output terminal correspondence electrical connection single-chip microcomputer of temperature and humidity sensor, the output terminal of the control end electrical connection single-chip microcomputer of relay, the output terminal electrical connection D.C. resistance silk screen of relay; Under D.C. resistance silk screen is embedded in the surface of blade, icing detector and temperature and humidity sensor are arranged on outside blade; Be provided with current transformer ac power supply being become DC electrical source in the cabin of wind-driven generator, the output terminal of current transformer is electrically connected to power end and the D.C. resistance silk screen of single-chip microcomputer by slip ring.This device can reach the effect of anti-icing and deicing safely and effectively.
Description
Technical field
The utility model belongs to technical field of wind power generator, particularly a kind of blade anti-icing and de-icing device for wind-driven generator.
Background technique
The blade of wind power generating set is the core component of wind power generating set, decides the utilization ratio of wind power generating set.When blade runs under the condition of low temperature, high humility, blade surface produces ice sheet, the moment of blade movement is caused to increase, wind power generating set load increases, the pneumatic efficiency of blade is reduced, more easily produce transient vibration phenomenon, the safety of serious threat blade and wind power generating set, even likely causes serious accident.
Present stage, wind wheel blade focuses on anti-icing, namely surveys ice systems axiol-ogy and provide alarm signal after freezing, wind-power electricity generation is by forced-stopping machine, to a certain degree reduce the operation risk of wind-power electricity generation, but cannot ensure that wind-power electricity generation continues to run under freezing environment, decrease generated energy; Based on this, some scientific research institutions and main frame producer develop the deicing system of blade both at home and abroad, mainly comprise several modes such as heating film, the pre-buried heating film in local are pasted in local, blade interior leads to hot blast, blade surface sprays antifreeze liquid, blade employing hydrophobic group coating, ultrasound, but effect is all undesirable, have certain for ice action, but cannot efficiently anti-icing and thorough deicing, even also there is certain potential safety hazard, anti-icing and deicing truly cannot be accomplished.
Model utility content
The purpose of this utility model is to provide a kind of blade anti-icing and de-icing device for wind-driven generator, and this device can reach the effect of anti-icing and deicing safely and effectively.
For reaching above-mentioned technical purpose, the utility model adopts following technological scheme to be achieved.
A kind of blade anti-icing and de-icing device for wind-driven generator, it is characterized in that, comprise single-chip microcomputer, for the D.C. resistance silk screen heated to blade, for detecting the icing detector whether blade freezes outward, for detecting the temperature and humidity sensor of leaf temperature and humidity of the air, for controlling the relay of described D.C. resistance silk screen power on/off; Two I/O input ends of the output terminal of described icing detector and the output terminal correspondence electrical connection single-chip microcomputer of temperature and humidity sensor, the output terminal of the control end electrical connection single-chip microcomputer of described relay, the output terminal of described relay is electrically connected described D.C. resistance silk screen;
Under described D.C. resistance silk screen is embedded in the surface of blade, described icing detector and temperature and humidity sensor are arranged on outside blade; Be provided with current transformer ac power supply being become DC electrical source in the cabin of described wind-driven generator, the output terminal of described current transformer is electrically connected to power end and the D.C. resistance silk screen of single-chip microcomputer by slip ring.
Feature and further improvement of the technical program are:
Described D.C. resistance silk screen adopts at least two-way resistance wire to be woven into netted, is interconnected between the resistance wire of every road, each point of intersection.
Power governor is electrically connected with between described relay and D.C. resistance silk screen.
Described icing detector is multiple, is evenly distributed on outside blade.
Described temperature and humidity sensor is multiple, is evenly distributed on outside blade.
Described D.C. resistance silk screen adopts the braiding of carbon fiber resistance wire to form.
Blade anti-icing and de-icing device for wind-driven generator of the present utility model, adopt the deicing of D.C. resistance silk screen heater blade, this D.C. resistance silk screen adopts the braiding of thermal conversion efficiency higher carbon fiber resistance wire to form, the intercommunication of resistance wire binding site is conducted electricity, thus form two/multiloop reticular structure, safe and reliable, still can continue to use even if somewhere is damaged, heating system can not be caused to lose efficacy; Owing to adopting netted structure, the laminated power of blade base storeroom can not be affected, so can in the comprehensive layout of blade surface; Under this D.C. resistance silk screen is embedded in blade surface, electric source line interface is left in blade root position, when production and processing blade, do not change original production technology, only need thicken matrix resin-rich layer when blade is produced, the surperficial felt consumption of suitable increase, production and processing is very easy to, and need not increase too many cost; After icing detector detects and freezes and need deicing, heating signal can be sent to single-chip microcomputer, Single-chip Controlling relay realizes heating to the energising of D.C. resistance silk screen; This device heating power is little, and efficiency is high, homogeneous temperature, can not cause matrix interlaminar delamination soon because heating inequality, heating rate; The response condition of D.C. resistance silk screen can environmentally condition and different requirement set, adjust, and can meet varying environment, individual demand.The arrangement achieves comprehensive, full automatic anti-icing and deicing.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is the connecting structure for electrical equipment schematic diagram of a kind of blade anti-icing and de-icing device for wind-driven generator of the present utility model;
Embodiment
With reference to Fig. 1, it is the connecting structure for electrical equipment schematic diagram of a kind of blade anti-icing and de-icing device for wind-driven generator of the present utility model; This device comprises single-chip microcomputer, for the D.C. resistance silk screen heated to blade, for detecting the icing detector whether blade freezes outward, for detecting the temperature and humidity sensor of leaf temperature and humidity of the air, for controlling the relay of D.C. resistance silk screen power on/off; Two I/O input ends of the output terminal of icing detector and the output terminal correspondence electrical connection single-chip microcomputer of temperature and humidity sensor, the output terminal of the control end electrical connection single-chip microcomputer of relay, the output terminal electrical connection D.C. resistance silk screen of relay.
Under D.C. resistance silk screen is embedded in the surface of blade, icing detector and temperature and humidity sensor are arranged on outside blade; Be provided with current transformer ac power supply being become DC electrical source in the cabin of wind-driven generator, the output terminal of current transformer is electrically connected to power end and the D.C. resistance silk screen of single-chip microcomputer by slip ring; Ac is transformed into the DC electrical source of needs by current transformer in cabin, and power supply enters wheel hub inside, as the heating power supply of heating system by slip ring through main shaft.
Wherein, D.C. resistance silk screen adopts at least two-way resistance wire to be woven into netted, is interconnected between the resistance wire of every road, each point of intersection.
Wherein, power governor is electrically connected with between relay and D.C. resistance silk screen.
Wherein, icing detector is multiple, is evenly distributed on outside blade.
Wherein, temperature and humidity sensor is multiple, is evenly distributed on outside blade.
Wherein, D.C. resistance silk screen adopts the braiding of carbon fiber resistance wire to form, and this medium heat conversion efficiency is higher.
When exposed icing detector detect accumulated ice reach 3% to 15% of leaf weight time, single-chip microcomputer sends startup heating signal to relay and power governor, D.C. resistance silk screen works, hygrosensor detection heating region temperature variations, with ensure heating system malfunction do not work or this monitoring point temperature more than 55 DEG C time can report to the police and cut off heating system work.After D.C. resistance silk screen melts blade surface ice sheet, icing detector detection ice sheet disappears, and single-chip microcomputer sends the signal stopping heating, automatically closes and adds electrothermal deicing system.
When temperature is at-8 DEG C to-20 DEG C, when humidity is greater than 90%, the as easy as rolling off a log ice coating of blade surface, after heating deicing completes, heating is stopped again freezing at short notice, at this moment we can ensure that blade heating system works under certain low-power, to play anti-icing function by setting the response sensitivity of this device to temperature and humidity.
Blade anti-icing and de-icing device for wind-driven generator of the present utility model, adopt the deicing of D.C. resistance silk screen heater blade, this D.C. resistance silk screen adopts the braiding of thermal conversion efficiency higher carbon fiber resistance wire to form, the intercommunication of resistance wire binding site is conducted electricity, thus form two/multiloop reticular structure, safe and reliable, still can continue to use even if somewhere is damaged, heating system can not be caused to lose efficacy; Owing to adopting netted structure, the laminated power of blade base storeroom can not be affected, so can in the comprehensive layout of blade surface; Under this D.C. resistance silk screen is embedded in blade surface, electric source line interface is left in blade root position, when production and processing blade, do not change original production technology, only need thicken matrix resin-rich layer when blade is produced, the surperficial felt consumption of suitable increase, production and processing is very easy to, and need not increase too many cost; After icing detector detects and freezes and need deicing, heating signal can be sent to single-chip microcomputer, Single-chip Controlling relay realizes heating to the energising of D.C. resistance silk screen; This device heating power is little, and efficiency is high, homogeneous temperature, can not cause matrix interlaminar delamination soon because heating inequality, heating rate; The response condition of D.C. resistance silk screen can environmentally condition and different requirement set, adjust, and can meet varying environment, individual demand.The arrangement achieves comprehensive, full automatic anti-icing and deicing.
Although be below described embodiment of the present utility model by reference to the accompanying drawings, but the utility model is not limited to above-mentioned specific embodiments and applications field, above-mentioned specific embodiments is only schematic, guiding, instead of restrictive.Those of ordinary skill in the art is under the enlightenment of specification, and when not departing from the scope that the utility model claim is protected, can also make a variety of forms, these all belong to the row of the utility model protection.
Claims (6)
1. the blade anti-icing and de-icing device for wind-driven generator, it is characterized in that, comprise single-chip microcomputer, for the D.C. resistance silk screen heated to blade, for detecting the icing detector whether blade freezes outward, for detecting the temperature and humidity sensor of leaf temperature and humidity of the air, for controlling the relay of described D.C. resistance silk screen power on/off; Two I/O input ends of the output terminal of described icing detector and the output terminal correspondence electrical connection single-chip microcomputer of temperature and humidity sensor, the output terminal of the control end electrical connection single-chip microcomputer of described relay, the output terminal of described relay is electrically connected described D.C. resistance silk screen;
Under described D.C. resistance silk screen is embedded in the surface of blade, described icing detector and temperature and humidity sensor are arranged on outside blade; Be provided with current transformer ac power supply being become DC electrical source in the cabin of described wind-driven generator, the output terminal of described current transformer is electrically connected to power end and the D.C. resistance silk screen of single-chip microcomputer by slip ring.
2. a kind of blade anti-icing and de-icing device for wind-driven generator according to claim 1, is characterized in that, described D.C. resistance silk screen adopts at least two-way resistance wire to be woven into netted, is interconnected between the resistance wire of every road, each point of intersection.
3. a kind of blade anti-icing and de-icing device for wind-driven generator according to claim 1, is characterized in that, be electrically connected with power governor between described relay and D.C. resistance silk screen.
4. a kind of blade anti-icing and de-icing device for wind-driven generator according to claim 1, it is characterized in that, described icing detector is multiple, is evenly distributed on outside blade.
5. a kind of blade anti-icing and de-icing device for wind-driven generator according to claim 1, it is characterized in that, described temperature and humidity sensor is multiple, is evenly distributed on outside blade.
6. a kind of blade anti-icing and de-icing device for wind-driven generator according to claim 1, is characterized in that, described D.C. resistance silk screen adopts the braiding of carbon fiber resistance wire to form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520108809.6U CN204591592U (en) | 2015-02-15 | 2015-02-15 | A kind of blade anti-icing and de-icing device for wind-driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520108809.6U CN204591592U (en) | 2015-02-15 | 2015-02-15 | A kind of blade anti-icing and de-icing device for wind-driven generator |
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| Publication Number | Publication Date |
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| CN204591592U true CN204591592U (en) | 2015-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520108809.6U Expired - Fee Related CN204591592U (en) | 2015-02-15 | 2015-02-15 | A kind of blade anti-icing and de-icing device for wind-driven generator |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106438229A (en) * | 2016-10-28 | 2017-02-22 | 上海电机学院 | Megawatt wind power generation heating system adapting to extremely low temperature environment |
| CN107859603A (en) * | 2017-09-30 | 2018-03-30 | 洛阳双瑞风电叶片有限公司 | A kind of anti-icing and deicing wind electricity blade and preparation method thereof |
| CN108019323A (en) * | 2017-12-04 | 2018-05-11 | 三重能有限公司 | Freeze detection blade system, wind power generating set and method of controlling vanes |
-
2015
- 2015-02-15 CN CN201520108809.6U patent/CN204591592U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106438229A (en) * | 2016-10-28 | 2017-02-22 | 上海电机学院 | Megawatt wind power generation heating system adapting to extremely low temperature environment |
| CN107859603A (en) * | 2017-09-30 | 2018-03-30 | 洛阳双瑞风电叶片有限公司 | A kind of anti-icing and deicing wind electricity blade and preparation method thereof |
| CN107859603B (en) * | 2017-09-30 | 2019-06-28 | 洛阳双瑞风电叶片有限公司 | A kind of anti-icing and deicing wind electricity blade and preparation method thereof |
| CN108019323A (en) * | 2017-12-04 | 2018-05-11 | 三重能有限公司 | Freeze detection blade system, wind power generating set and method of controlling vanes |
| CN108019323B (en) * | 2017-12-04 | 2019-10-11 | 三一重能有限公司 | Freeze detection blade system, wind power generating set and method of controlling vanes |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150826 Termination date: 20210215 |
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| CF01 | Termination of patent right due to non-payment of annual fee |