CN102588223A - Wind power generator capable of realizing freezing detection and freezing detecting method of wind power generator - Google Patents

Wind power generator capable of realizing freezing detection and freezing detecting method of wind power generator Download PDF

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Publication number
CN102588223A
CN102588223A CN2012100669172A CN201210066917A CN102588223A CN 102588223 A CN102588223 A CN 102588223A CN 2012100669172 A CN2012100669172 A CN 2012100669172A CN 201210066917 A CN201210066917 A CN 201210066917A CN 102588223 A CN102588223 A CN 102588223A
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China
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humidity
temperature
control unit
wind turbine
sensor
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CN2012100669172A
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Chinese (zh)
Inventor
于长生
潘爱华
王安正
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南京风电科技有限公司
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Priority to CN2012100669172A priority Critical patent/CN102588223A/en
Publication of CN102588223A publication Critical patent/CN102588223A/en

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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction
    • Y02E10/723Control of turbines

Abstract

The invention provides a wind power generator capable of realizing freezing detection and a freezing detecting method of the wind power generator. The wind power generator comprises a tower, a cabin and blades, and at least one temperature sensor and a humidity sensor are disposed on the wind power generator. The temperature and the humidity of the atmosphere can be detected in time by the aid of the temperature sensors and the humidity sensor, so that whether a wind power unit is frozen or not is judged. Only the two sensors are adopted, so that price is cheap, whether the wind power unit is frozen or not can be judged accurately, and safety of the unit and staff can be guaranteed.

Description

—种可进行结冰检测的风力发电机及其结冰检测方法 - species can be detected and icing wind turbine icing detection method

技术领域 FIELD

[0001] 本发明涉及风力发电技术领域,特别涉及一种风力发电机组的结冰检测方法。 [0001] The present invention relates to the technical field of wind power generation, and particularly relates to a method for detecting icing of wind turbine.

背景技术 Background technique

[0002] 对于安装在结冰区的风力发电机组,其叶片的前缘和塔筒易于结冰。 [0002] For installation of icing wind turbine, which blade leading edge and the tower is susceptible to icing. 特别是当叶片表面结冰时,其一将影响风轮动平衡,缩短机组寿命;其二改变叶片翼型,减小升力系数, 增大阻力系数,减少机组出力;其三增加人身、物品被飞冰伤害的可能性。 Particularly when the surface of the blade icing, the wind will affect one balancing wheel, shorten the life of the unit; second blade profile changes, reduced lift coefficient, drag coefficient is increased, reducing the unit output; Third person increases, the article is flying ice possibility of injury. 但是,对于安装在中国的风机发电机组,目前没有检测结冰或结冰大气这一功能。 However, for fans of generating units installed in China, currently does not detect ice or icy atmosphere this feature.

发明内容 SUMMARY

[0003] 本发明的目的在于克服上述不足之处,从而提供一种可进行结冰检测的风力发电机,其包括塔筒、机舱和叶片,其中,在所述风力发电机上设有至少一个温度传感器和一个湿度传感器。 [0003] The object of the present invention is to overcome the above disadvantages, thus providing a wind power generator can be detected icing that includes a tower, a nacelle and blades, which is provided at least on a temperature of the wind turbine sensor and a humidity sensor. 通过设置温度传感器和湿度传感器,能实时检测大气温度及湿度,以此判断风力机组是否发生结冰,本发明仅采用两个传感器,价格低廉,能准确判定风力机组是否正在结冰,从而保证机组和人身的安全。 By setting the temperature and humidity sensors, real-time detection of atmospheric temperature and humidity, wind turbines in order to judge whether the occurrence of icing, the present invention is using only two sensors, inexpensive, can be accurately determined whether or not icing wind turbines is to ensure that the unit and personal safety.

[0004] 优选的,所述温度传感器和所述湿度传感器设置在机舱上。 [0004] Preferably, the temperature sensor and the humidity sensor disposed on the nacelle.

[0005] 优选的,所述风力发电机还包括一系统控制部,置于机舱内部,系统控制部与温度传感器和湿度传感器相连,接收温度传感器和湿度传感器上的信号,并对信号进行处理,根据信号控制风力发电机的运转。 [0005] Preferably, the wind turbine further comprises a system control unit, disposed inside the cabin, the system control unit is connected to the temperature sensor and a humidity sensor, a temperature sensor on the received signal and the humidity sensor, and signal processing, the signal controls the operation of wind turbines.

[0006] 优选的,所述系统控制部设有至少两个存储部和两个比较器,两个存储部分别预先存储温度预设值和湿度预设值,系统控制部从温度传感器上获得的温度传感器读数通过比较器与温度预设值进行比较,系统控制部从湿度传感器上获得的湿度传感器读数通过比较器与湿度预设值进行比较,而后系统控制部通过比较结果对风力发电机进行控制。 [0006] Preferably, the system control unit is provided with at least two memory portions and two comparators, two memory portions previously stores the temperature and humidity values ​​preset default value, the control unit is obtained from the temperature sensor temperature sensor readings are compared by the comparator with the preset temperature value, the system control unit obtained from the humidity sensor humidity sensor readings are compared by the comparator with the preset humidity value, then the system control unit controls the wind turbine by comparing the results .

[0007] 优选的,在机舱上设有风速风向仪支架,在所述风速风向仪支架上设有风速计、湿度传感器、温度传感器和风向标。 [0007] Preferably, the holder is provided dogvane on the nacelle, provided with an anemometer, a humidity sensor, a temperature sensor and a wind vane on the dogvane stent.

[0008] 本发明还提供了一种风力发电机结冰检测方法,其包括如下步骤: [0008] The present invention further provides a method of detecting icing wind power generator, comprising the steps of:

a.温度传感器检测外部大气温度,获取温度传感器读数,系统控制部从温度传感器上获得的温度传感器读数通过比较器与温度预设值进行比较; . A temperature sensor for detecting outside air temperature, temperature sensor readings acquired, the system control unit temperature sensor is obtained from the temperature sensor readings are compared by the comparator with predetermined temperature values;

b.湿度传感气检测外部大气湿度,获取湿度传感器读数,系统控制部从湿度传感器上获得的湿度传感器读数通过比较器与湿度预设值进行比较; . B air humidity sensor detecting humidity of the outside air, the humidity sensor readings acquired, the system control unit obtained from the humidity sensor humidity sensor readings are compared by the comparator with the preset humidity;

c.系统控制部根据上述步骤a、b的比较关系,控制风力发电机的运行或停止。 c. There is a control unit according to the above steps a, b, comparing the relationship between the control run or stop the wind turbine.

[0009] 优选的,所述温度传感器读数小于温度预设值,且所述湿度传感器读数大于湿度预设值时,系统控制部控制风力发电机停机。 When [0009] Preferably, the temperature of the temperature sensor reading is less than a preset value, and the humidity sensor humidity reading is greater than a preset value, the system control unit controlling the wind turbine shutdown.

附图说明 BRIEF DESCRIPTION

[0010] 图I示意了本发明风力发电机的结构示意图;图2示意了图I中A区局部放大的侧视图; [0010] Figure I illustrates a schematic view of a wind turbine of the present invention; FIG. 2 illustrates a side view of the region I wherein A partially enlarged;

图3示意了本发明风力发电机结冰检测方法。 FIG 3 illustrates a method of detecting icing wind power generator of the present invention.

具体实施方式 detailed description

[0011] 为使本发明的上述目的、特征和优点能够更加明显易懂,下面结合附图对本发明的具体实施方式做详细的说明,使本发明的上述及其它目的、特征和优势将更加清晰。 [0011] For the above-described objects, features and advantages of the present invention can be more fully understood in conjunction with the accompanying drawings a detailed description of specific embodiments of the present invention, the above and other objects, features and advantages of the invention will become more apparent . 在全部附图中相同的附图标记指示相同的部分。 In the drawings the same reference numerals indicate the same parts. 并未刻意按比例绘制附图,重点在于示出本发明的主旨。 The drawings are deliberately not to scale, emphasis being placed upon illustrating the gist of the present invention.

[0012] 本发明采用检测大气露点的方法,在轮毂高度处机舱外安装两个传感器:温度传感器和湿度传感器,控制系统根据温度和相对湿度判断风力机组是否正在结冰。 [0012] The present invention employs a method of detecting the atmospheric dew point, two sensors mounted on the outer hub height cabin: a temperature sensor and a humidity sensor, the control system according to the temperature and relative humidity is determined whether the wind turbines are ice.

[0013] 具体的,本实施例中提供了一种可进行结冰检测的风力发电机,其包括塔筒、机舱和叶片,其中在风力发电机上设有至少一个温度传感器和一个湿度传感器。 [0013] Specifically, the present embodiment provides a wind turbine for an icing detection, which includes a tower, a nacelle and blades, which at least one temperature sensor and a humidity sensor on the wind turbine. 通过设置温度传感器和湿度传感器,能实时检测大气温度及湿度,以此判断风力机组是否发生结冰,本发明仅采用两个传感器,价格低廉,能准确判定风力机组是否正在结冰,从而保证机组和人身的安全。 By setting the temperature and humidity sensors, real-time detection of atmospheric temperature and humidity, wind turbines in order to judge whether the occurrence of icing, the present invention is using only two sensors, inexpensive, can be accurately determined whether or not icing wind turbines is to ensure that the unit and personal safety. 本发明中,温度传感器和湿度传感器的数量可以按实际需要设置,系统对多个传感器采集的数据可以取极限值或者取平均值的方式来进行处理,具体按照实际需要来设定。 In the present invention, the number of temperature and humidity sensors may be provided according to actual needs, the data collected by the sensor system can take a plurality of limit values ​​or an average value taken embodiment to be treated, the specific set according to actual needs.

[0014] 本发明中,温度传感器和湿度传感器的位置不做特别的限定,但是优选的,温度传感器和所述湿度传感器设置在机舱上,接近于风机叶片,同时也不会影响叶片的平衡性。 [0014] In the present invention, the position of the temperature sensor and the humidity sensor is not particularly limited, but preferably, the humidity sensor and a temperature sensor disposed on the nacelle, near the fan blades, but also will not affect the balance of the blade . 具体的,如图1-2所示,图I示意了本发明风力发电机的结构示意图;如图所示,风力发电机包括了塔筒11、机舱12和叶片13,在机舱12上设有风速风向仪支架14。 Specifically, shown in Figure 1-2, Figure I illustrates a schematic view of a wind turbine of the present invention; As shown, the wind turbine including a tower 11, a nacelle 12 and blades 13, 12 is provided on the nacelle dogvane bracket 14. 图2示意了图I 中A区局部放大的侧视图;如图所示,在风速风向仪支架14上设有风速计141、湿度传感器142、温度传感器143和风向标144。 FIG 2 illustrates a side view of area A in FIG. I partially enlarged; shown in FIG, 141 is provided with an anemometer on dogvane holder 14, the humidity sensor 142, temperature sensor 143 and vane 144.

[0015] 为实现对风力发电机的有效控制,本发明的风力发电机还包括一系统控制部,置于机舱内部,系统控制部与温度传感器和湿度传感器相连,接收温度传感器和湿度传感器上的信号,并对信号进行处理,根据信号控制风力发电机的运转。 [0015] In order to achieve effective control of the wind power generator, wind power generator according to the present invention further comprises a system control unit, disposed inside the cabin, the system control unit is connected to the temperature sensor and a humidity sensor, a temperature sensor and receiving the humidity sensor signal, and the signal is processed, the control signal based on the operation of the wind turbine. 具体的,在系统控制部设有至少两个存储部和两个比较器,两个存储部分别预先存储温度预设值和湿度预设值,系统控制部从温度传感器上获得的温度传感器读数通过比较器与温度预设值进行比较,系统控制部从湿度传感器上获得的湿度传感器读数通过比较器与湿度预设值进行比较,而后系统控制部通过比较结果对风力发电机进行控制,如继续运行或者停止运行。 Specifically, the system control unit is provided with at least two memory portions and two comparators, two memory portions previously stores the temperature and humidity values ​​preset default value, the control unit is obtained from the temperature sensor by the temperature sensor readings a comparator for comparison with the predetermined temperature value, the system control unit obtained from the humidity sensor humidity sensor readings are compared by the comparator with the preset humidity value, then the system control unit controls the wind turbine by comparing the results, if they continue to run or stop running.

[0016] 本发明还提供了一种风力发电机结冰检测方法,其包括如下步骤: [0016] The present invention further provides a method of detecting icing wind power generator, comprising the steps of:

a.温度传感器检测外部大气温度,获取温度传感器读数,系统控制部从温度传感器上获得的温度传感器读数通过比较器与温度预设值进行比较; . A temperature sensor for detecting outside air temperature, temperature sensor readings acquired, the system control unit temperature sensor is obtained from the temperature sensor readings are compared by the comparator with predetermined temperature values;

b.湿度传感气检测外部大气湿度,获取湿度传感器读数,系统控制部从湿度传感器上获得的湿度传感器读数通过比较器与湿度预设值进行比较; . B air humidity sensor detecting humidity of the outside air, the humidity sensor readings acquired, the system control unit obtained from the humidity sensor humidity sensor readings are compared by the comparator with the preset humidity;

c.系统控制部根据上述步骤a、b的比较关系,控制风力发电机的运行或停止。 c. There is a control unit according to the above steps a, b, comparing the relationship between the control run or stop the wind turbine.

[0017] 优选的,当温度传感器读数小于温度预设值,且湿度传感器读数大于湿度预设值时,系统控制部控制风力发电机停机。 [0017] Preferably, when the temperature sensor reading is less than a preset temperature value, a humidity sensor and a humidity reading is greater than a preset value, the system control unit controlling the wind turbine shutdown.

[0018] 图3示意了本发明风力发电机结冰检测方法。 [0018] FIG. 3 illustrates a method of detecting icing wind power generator of the present invention. 如图所示,T为温度传感器读数;t0 为温度预设值;HR为湿度传感器读数;HrO为湿度预设值。 As shown, T is the temperature sensor readings; T0 is a predetermined temperature values; HR is a humidity sensor readings; HRO is preset humidity. 系统控制部通过温度传感器获取大气温度信息,即温度传感器读数T,并将该信息与设置于存储部中的温度预设值进行比较分析,如温度传感器读数T大于温度预设值t0,则系统控制部继续定期获取大气温度信息;如温度传感器读数T小于温度预设值t0,则继续获取湿度传感器读数HR。 The system control unit acquires the atmospheric temperature information by the temperature sensor, i.e. temperature sensor readings T, were compared with the preset value storage unit at a temperature in the information provided, such as a temperature sensor reading value T is greater than a preset temperature t0, the system the control unit continues to regularly obtain information air temperature; temperature sensor reading is less than a predetermined temperature values ​​T t0, then continue receiving the humidity sensor readings HR.

[0019] 如湿度传感器读数HR小于湿度预设值HrO,则系统控制部继续定期获取大气温度信息;如湿度传感器读数HR大于湿度预设值HrO,则判断为大气会结冰,系统控制部控制风力发电机停机。 [0019] The humidity of a humidity sensor reading is less than a preset value HR HRO, the system control unit continues to periodically acquires information air temperature; humidity sensor as humidity readings greater than a predetermined value HR HRO, it is determined that the atmosphere will be frozen, the system control unit controls wind turbine shutdown.

[0020] 图2只是示意了其中一种处理方式,本领域技术人员应当理解,读取温度和湿度, 并对温度与湿度进行比较分析的顺序可不受限制,可先后处理,也可以同时处理,此处不再 [0020] FIG. 2 only illustrates one approach, one skilled in the art will appreciate, reads the temperature and humidity, and the temperature and humidity of the comparative analysis of the sequence unrestricted, can be successively processed, may be processed simultaneously, no longer here

展开分析。 To analyze.

[0021] 本发明的检测系统,方便实用,便于对现有的风力发电机进行改装。 Detection system [0021] of the present invention, convenient and practical, easy to retrofit existing wind turbine. 同时,本发明的检测系统是通过检测温度和大气湿度来控制系统,相比于直接检测结冰状况或者检测水流等,更实用,适合各种天气的检测。 Meanwhile, the detection system of the present invention is controlled by detecting the temperature and atmospheric humidity systems, compared to the direct detection of an icing condition detected water or the like, more practical, all-weather detection.

[0022] 在以上的描述中阐述了很多具体细节以便于充分理解本发明。 [0022] numerous specific details are set forth in the above description in order to provide a thorough understanding of the present invention. 但是以上描述仅是本发明的较佳实施例而已,本发明能够以很多不同于在此描述的其它方式来实施,因此本发明不受上面公开的具体实施的限制。 However, the foregoing description is only preferred embodiments of the present invention, it is possible in many other ways than in the embodiments described herein to the present invention, the present invention is not limited so particular embodiments disclosed above. 同时任何熟悉本领域技术人员在不脱离本发明技术方案范围情况下,都可利用上述揭示的方法和技术内容对本发明技术方案做出许多可能的变动和修饰,或修改为等同变化的等效实施例。 While any person skilled in the art without departing from the scope of the present invention, can be disclosed by the above methods and technical content may make numerous variations and modifications of the technical solution of the present invention, as equivalent variations or modifications equivalent embodiments example. 凡是未脱离本发明技术方案的内容,依据本发明的技术实质对以上实施例所做的任何简单修改、等同变化及修饰,均仍属于本发明技术。 All without departing from the technical solutions of the present invention, any simple modification based on the technical essence of the present invention made of the above Example, equivalents, modifications and changes are still within the technical present invention.

Claims (7)

1. 一种可进行结冰检测的风力发电机,其包括塔筒、机舱和叶片,其特征在于,在所述风力发电机上设有至少一个温度传感器和一个湿度传感器。 A wind power generator can be detected icing that includes a tower, nacelle and blades, characterized in that at least one temperature sensor and a humidity sensor on the wind turbine.
2.如权利要求I所述的可进行结冰检测的风力发电机,其特征在于,所述温度传感器和所述湿度传感器设置在机舱上。 2. I claim the wind turbine can be detected icing, characterized in that the temperature sensor and the humidity sensor disposed on the nacelle.
3.如权利要求I所述的可进行结冰检测的风力发电机,其特征在于,所述风力发电机包括一系统控制部,置于机舱内部,系统控制部与温度传感器和湿度传感器相连,接收温度传感器和湿度传感器上的信号,并对信号进行处理,根据信号控制风力发电机的运转。 I claim the wind turbine can be detected icing, characterized in that the wind generator comprises a control unit system, placed inside the cabin, the system control unit is connected to the temperature sensor and the humidity sensor, signal, and the signal received on the temperature and humidity sensors are processed, the control signal based on the operation of the wind turbine.
4.如权利要求3所述的可进行结冰检测的风力发电机,其特征在于,所述系统控制部设有至少两个存储部和两个比较器,两个存储部分别预先存储温度预设值和湿度预设值, 系统控制部从温度传感器上获得的温度传感器读数通过比较器与温度预设值进行比较,系统控制部从湿度传感器上获得的湿度传感器读数通过比较器与湿度预设值进行比较,而后系统控制部通过比较结果对风力发电机进行控制。 4. A wind turbine as claimed in icing can be detected according to the two storage portions 3 previously stores the temperature of pre claims, characterized in that the system control unit is provided with at least two memory portions and two comparators, humidity value, and a preset value, the system control unit obtained from the temperature sensor a temperature sensor readings are compared, the system control unit humidity sensor readings obtained from the humidity sensor with humidity by the comparator by comparing the preset temperature with a preset value value, then the system control unit controls the wind turbine by comparing the results.
5.如权利要求I所述的可进行结冰检测的风力发电机,其特征在于,在机舱上设有风速风向仪支架,在所述风速风向仪支架上设有风速计、湿度传感器、温度传感器和风向标。 5. I claim the wind turbine may be detected icing, characterized in that a holder dogvane on the nacelle, provided with an anemometer, a humidity sensor on the bracket dogvane temperature sensors and wind vane.
6. 一种风力发电机结冰检测方法,其包括如下步骤:a.温度传感器检测外部大气温度,获取温度传感器读数,系统控制部从温度传感器上获得的温度传感器读数通过比较器与温度预设值进行比较;b.湿度传感气检测外部大气湿度,获取湿度传感器读数,系统控制部从湿度传感器上获得的湿度传感器读数通过比较器与湿度预设值进行比较;c.系统控制部根据上述步骤a、b的比较关系,控制风力发电机的运行或停止。 A method for detecting icing wind power generator, comprising the steps of:. A temperature sensor for detecting outside air temperature, the temperature sensor readings acquired, the system control unit obtained from the temperature sensor by comparing the sensor reading with a preset temperature values ​​are compared;. b air humidity sensor detecting humidity of the outside air, the humidity sensor readings acquired, the system control unit obtained from the humidity sensor humidity sensor readings are compared by the comparator with the preset humidity;. c based on the system controller steps a, b, comparing the relationship between the control run or stop the wind turbine.
7.如权利要求6所述的风力发电机结冰检测方法,其特征在于,所述温度传感器读数小于温度预设值,且所述湿度传感器读数大于湿度预设值时,系统控制部控制风力发电机停机。 7. The wind turbine icing detection method according to claim 6, characterized in that the temperature sensor reading is less than the preset temperature value and the humidity sensor humidity reading is greater than a preset value, the system control unit controlling the wind generator shutdown.
CN2012100669172A 2012-03-15 2012-03-15 Wind power generator capable of realizing freezing detection and freezing detecting method of wind power generator CN102588223A (en)

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CN103821675A (en) * 2014-01-22 2014-05-28 刘中威 Wind generator rotor blade electrothermal ice melting tower bottom monitoring system
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CN102817780A (en) * 2012-08-22 2012-12-12 南京风电科技有限公司 Device and method for controlling freezing of wind generating set
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