Wind measuring system for wind turbine generator

Abstract

The invention provides a wind measurement system for a wind turbine generator, and relates to the technical field of wind measurement devices, and the system comprises a pre-deployed sensor which monitors the environment where a wind measurement device is located in real time and obtains temperature and humidity data; setting icing condition judgment logic, obtaining a temperature and humidity over-critical value and a duration judgment value, and judging that the temperature and humidity data reach an icing condition; obtaining the flight velocity of the floating water drops, determining the flight path of the floating water drops, obtaining the icing strength and the icing thickness of the wind measuring device, calculating the influence degree of current icing on the wind measuring device, and carrying out optimization judgment on icing condition judgment logic; when it is judged that the temperature and humidity data reach the icing condition, an icing signal is generated, the icing signal is transmitted to the heating and deicing device according to the signal transmission device, and heating and deicing operation is executed; and safe, stable and efficient operation of the wind turbine generator is ensured.

Description

Technical Field

[0001] The invention relates to the technical field of wind measuring devices, and in particular to a wind measuring system for a wind turbine generator set. Background Art

[0002] Wind power generation has reached its peak at this stage. Due to its rapid development, problems that affect the efficient operation of wind turbines continue to emerge. In some environments prone to freezing, such as humid air and low temperatures, wind measuring devices are often paralyzed due to freezing, making it impossible to accurately measure the wind, reducing the available hours of wind turbines, affecting the power generation of wind farms and reducing economic benefits. In addition, in the atmospheric environment, temperature and humidity change frequently, and freezing does not occur immediately when freezing conditions are met.

[0003] Therefore, the present invention provides a wind measurement system for a wind turbine. Summary of the invention

[0004] The present invention provides a wind measuring system for a wind turbine generator set. The system monitors the environment of a wind measuring device in real time through pre-deployed sensors to obtain temperature and humidity data. The system sets an icing condition judgment logic, obtains temperature and humidity supercritical values ​​and duration judgment values, and judges that the temperature and humidity data have reached an icing condition. The flight velocity of floating water droplets is obtained, the flight trajectory of floating water droplets is determined, the icing intensity and thickness of the wind measuring device are obtained, the influence of the current icing on the wind measuring device is calculated, and the icing condition judgment logic is optimized. When it is determined that the temperature and humidity data have reached the icing condition, an icing signal is generated, and the icing signal is transmitted to a heating and deicing device according to a signal transmission device to perform a heating and deicing operation. The safe, stable and efficient operation of the wind turbine generator set is ensured.

[0005] The present invention provides a wind measurement system for a wind turbine generator set, comprising:

[0006] The temperature and humidity monitoring module is used to pre-deploy sensors to monitor the environment of the wind turbine's wind measuring device in real time and obtain the temperature and humidity data of the wind measuring device;

[0007] The icing determination module is used to set the icing condition determination logic, obtain the temperature and humidity supercritical value and the duration determination value, and determine that the temperature and humidity data meet the icing conditions when the temperature and humidity data are not lower than the temperature and humidity supercritical value and the duration of the temperature and humidity data is not lower than the duration determination value;

[0008] The optimization judgment module is used to obtain the flight velocity of floating water droplets in the environment where the wind measuring device is located according to the wind measuring device, determine the flight trajectory of the floating water droplets, obtain the icing intensity and icing thickness of the wind measuring device, calculate the impact of the current icing on the wind measuring device, and optimize the icing condition judgment logic;

[0009] The heating and deicing module is used to generate an icing signal when it is determined that the temperature and humidity data have reached the icing conditions, and transmit the icing signal to the heating and deicing device according to the signal transmission device to perform the heating and deicing operation.

[0010] According to the present invention, a wind measurement system for a wind turbine generator set and a temperature and humidity monitoring module include:

[0011] The temperature and humidity sensor unit is used to obtain the temperature range and humidity range of the environment where the wind measuring device of the wind turbine is located, and select the temperature and humidity sensor in combination with the monitoring accuracy requirements;

[0012] A sensor deployment unit, used to set the sensor deployment position for monitoring the environment of the wind measuring device of the wind turbine generator set, and pre-deploy temperature and humidity sensors;

[0013] The temperature and humidity data unit is used to monitor the environment of the wind measuring device of the wind turbine in real time according to the pre-deployed temperature and humidity sensors, and obtain the temperature and humidity data of the wind measuring device, wherein the temperature and humidity data includes: temperature data and humidity data.

[0014] According to the present invention, a wind measurement system for a wind turbine generator set, a temperature and humidity data unit, comprises:

[0015] The data processing block is used to classify the temperature and humidity data, remove erroneous data and missing data, and unify the data format of the temperature and humidity data;

[0016] Data synchronization block, used to synchronize temperature and humidity data according to monitoring time;

[0017] The data storage block is used to temporarily store the temperature and humidity data that have been synchronously processed in the pre-deployed temperature and humidity sensor.

[0018] According to the present invention, a wind measurement system for a wind turbine generator system and an icing determination module include:

[0019] An icing setting unit is used to obtain icing conditions and set icing condition determination logic. When the wind measuring device meets the icing condition determination logic, it is determined that icing occurs in the wind measuring device, wherein the icing conditions include: temperature conditions, humidity conditions and duration conditions;

[0020] A supplementary setting unit, used to obtain the temperature and humidity data supercritical value and duration judgment value according to the historical temperature and humidity data of the wind measuring device, and to supplement the setting of the icing condition judgment logic;

[0021] The icing judgment unit is used to judge that the temperature and humidity data reaches the icing condition and the wind measuring device is frozen when the temperature and humidity data of the wind measuring device is not lower than the temperature and humidity supercritical value and the duration of the temperature and humidity data is not lower than the duration judgment value.

[0022] According to the present invention, a wind measurement system for a wind turbine generator set, an optimization determination module, includes:

[0023] A flight velocity unit is used to obtain the ambient wind velocity of the environment where the wind measuring device is located according to the wind measuring device, and to approximately equate the ambient wind velocity with the flight velocity of the floating water droplets;

[0024] The flight trajectory unit is used to obtain the device range and monitoring range of the wind measuring device and establish a coordinate system;

[0025] The floating water droplets are set to be evenly distributed within the monitoring range, the water drop mass of the floating water droplets within the monitoring range is obtained, the force analysis of the floating water droplets within the monitoring range is performed, and the flight trajectory of the floating water droplets within the monitoring range is determined;

[0026] A water droplet collection coefficient unit is used to determine that a floating water droplet has collided with the wind measuring device when the flight trajectory of the floating water droplet within the monitoring range coincides with the device range of the wind measuring device, and to determine the water droplet collection coefficient according to the number of collisions between the floating water droplet and the wind measuring device;

[0027] An icing degree unit is used to obtain the icing intensity and icing thickness of the wind measuring device according to the water drop collection coefficient, set the influence weight of the icing intensity on the influence degree of the current icing on the wind measuring device and the influence weight of the icing thickness on the influence degree of the current icing on the wind measuring device, and calculate the influence degree of the current icing on the wind measuring device;

[0028] Where F represents the impact of current icing on the wind measuring device; (x0+t i1 v1 xi1 ,y0+t i1 v1 yi1 ,z0+t i1 v1 zi1 ) represents the motion trajectory of the floating water drop; x0 represents the initial x-axis coordinate of the floating water drop; y0 represents the initial y-axis coordinate of the floating water drop; z0 represents the initial z-axis coordinate of the floating water drop; v1 xi1 Indicates that the floating water droplet has a duration of t in the i1th i1 The x-axis flight velocity; v1 yi1 Indicates that the floating water droplet has a duration of t in the i1th i1 The y-axis flight velocity; v1 zi1 Indicates that the floating water droplet has a duration of t in the i1th i1 The z-axis flight velocity; G((x0+t i1 v1 xi1 ,y0+t i1 v1 yi1 ,z0+t i1 v1zi1 ),1) indicates that when the flight trajectory of the floating water droplet coincides with the device range of the wind measuring device, 1 is output, otherwise 0 is output; v1 indicates the flight velocity of the floating water droplet; LWC indicates the liquid water content; ρ indicates the density of the floating water droplet; t1 indicates the duration judgment value; a1 indicates the influence weight of the ice intensity on the current ice influence on the wind measuring device; a2 indicates the influence weight of the ice thickness on the current ice influence on the wind measuring device;

[0029] The optimization judgment unit is used to set the standard icing influence degree. If the current icing influence degree on the wind measuring device is not lower than the standard icing influence degree, it is determined that the icing condition judgment logic is accurate and no optimization judgment is required;

[0030] If the current icing impact on the wind measuring device is lower than the standard icing impact, the icing condition determination logic is optimized.

[0031] According to the present invention, a wind measurement system for a wind turbine generator system and a heating and deicing module include:

[0032] An icing signal unit, used to generate an icing signal when it is determined that the temperature and humidity data reach the icing condition;

[0033] The heating and deicing unit is used to transmit the icing signal to the heating and deicing device according to the signal transmission device to perform the heating and deicing operation.

[0034] According to the present invention, a wind measurement system for a wind turbine generator system and a heating and deicing unit include:

[0035] The heating deicing block is used to set the heating deicing device according to the environment in which the wind measuring device is located and the device range of the wind measuring device. When it is monitored that the heating deicing device meets the environment in which the wind measuring device is located and the device range of the wind measuring device, it is determined that the setting of the heating deicing device is completed.

[0036] A wind measurement system for a wind turbine generator system provided by the present invention further includes:

[0037] a deicing effect determination unit, configured to obtain an icing range of the wind measuring device when the heating deicing operation is completed, and determine the deicing effect of the heating deicing operation according to a ratio of the icing range of the wind measuring device to a device range of the wind measuring device;

[0038] A deicing optimization unit, used to optimize and adjust the settings of the heating deicing device when the deicing effect of the heating deicing operation does not meet the standard;

[0039] If the setting of the heating and deicing device cannot be adjusted and the deicing effect still does not meet the standard after the setting of the heating and deicing device is adjusted, the icing condition judgment logic is optimized and adjusted.

[0040] Compared with the prior art, the beneficial effects of this application are as follows:

[0041] Through pre-deployed sensors, the environment of the wind measuring device is monitored in real time to obtain temperature and humidity data; the icing condition judgment logic is set, the temperature and humidity over-critical values ​​and duration judgment values ​​are obtained, and it is determined that the temperature and humidity data have reached the icing conditions; the flight velocity of the floating water droplets is obtained, the flight trajectory of the floating water droplets is determined, the icing intensity and thickness of the wind measuring device are obtained, the impact of the current icing on the wind measuring device is calculated, and the icing condition judgment logic is optimized; when it is determined that the temperature and humidity data have reached the icing conditions, an icing signal is generated, and the icing signal is transmitted to the heating and deicing device according to the signal transmission device to perform the heating and deicing operation, ensuring the safe, stable and efficient operation of the wind turbine.

[0042] Other features and advantages of the present invention will be described in the following description, and partly become apparent from the description, or understood by practicing the present invention. The purpose and other advantages of the present invention can be realized and obtained by the structures particularly pointed out in the written description and the accompanying drawings.

[0043] The technical solution of the present invention is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0044] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0045] Figure 1 The present invention is a schematic diagram of a wind measurement system for a wind turbine generator system according to an embodiment of the present invention. DETAILED DESCRIPTION

[0046] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0047] Embodiment 1:

[0048] The embodiment of the present invention provides a wind measurement system for a wind turbine generator set, such as Figure 1 As shown, including:

[0049] The temperature and humidity monitoring module is used to pre-deploy sensors to monitor the environment of the wind turbine's wind measuring device in real time and obtain the temperature and humidity data of the wind measuring device;

[0050] The icing determination module is used to set the icing condition determination logic, obtain the temperature and humidity supercritical value and the duration determination value, and determine that the temperature and humidity data meet the icing conditions when the temperature and humidity data are not lower than the temperature and humidity supercritical value and the duration of the temperature and humidity data is not lower than the duration determination value;

[0051] The optimization judgment module is used to obtain the flight velocity of floating water droplets in the environment where the wind measuring device is located according to the wind measuring device, determine the flight trajectory of the floating water droplets, obtain the icing intensity and icing thickness of the wind measuring device, calculate the impact of the current icing on the wind measuring device, and optimize the icing condition judgment logic;

[0052] The heating and deicing module is used to generate an icing signal when it is determined that the temperature and humidity data have reached the icing conditions, and transmit the icing signal to the heating and deicing device according to the signal transmission device to perform the heating and deicing operation.

[0053] In this embodiment, the pre-deployed sensors include a temperature sensor and a humidity sensor.

[0054] In this embodiment, the temperature and humidity data refer to the temperature data and humidity data of the wind measuring device.

[0055] In this embodiment, the icing condition determination logic refers to logic for determining whether the wind measuring device reaches an icing condition.

[0056] In this embodiment, the temperature and humidity supercritical value refers to the threshold value at which the temperature and humidity data meet the icing condition.

[0057] In this embodiment, the duration determination value refers to a threshold value of the duration required to reach the icing condition.

[0058] In this embodiment, the freezing conditions refer to the conditions required for floating water droplets to freeze, including: temperature conditions, humidity conditions, and duration conditions.

[0059] In this embodiment, the flight velocity of the floating water droplets refers to the velocity of the floating water droplets in the environment where the wind measuring device is located.

[0060] In this embodiment, the flight trajectory of the floating water droplets refers to the trajectory formed by the movement of the floating water droplets within the monitoring range.

[0061] In this embodiment, the icing intensity refers to the icing rate of the wind measuring device; and the icing thickness refers to the degree of icing of the wind measuring device over a sustained period of time.

[0062] In this embodiment, the degree of influence of the current icing on the wind measuring device refers to the degree of influence of the icing conditions corresponding to the current temperature and humidity data on the operating performance of the wind measuring device.

[0063] In this embodiment, the optimization judgment refers to an optimization operation performed on the icing condition judgment logic according to the degree of influence of the current icing on the wind measuring device.

[0064] In this embodiment, the freezing signal refers to a signal generated when it is determined that the temperature and humidity data reaches the freezing condition.

[0065] In this embodiment, the signal transmission device refers to a device for transmitting an icing signal to the heating and deicing device.

[0066] In this embodiment, the heating and deicing device refers to a device for heating and deicing the wind measuring device.

[0067] In this embodiment, the heating and deicing operation refers to an operation of removing ice on the surface of the wind measuring device using the heating and deicing device.

[0068] The working principle and beneficial effects of the above technical solution are: through pre-deployed sensors, the environment of the wind measuring device is monitored in real time to obtain temperature and humidity data; setting the icing condition judgment logic, obtaining the temperature and humidity supercritical values ​​and duration judgment values, and judging that the temperature and humidity data have reached the icing conditions; obtaining the flight velocity of floating water droplets, determining the flight trajectory of floating water droplets, obtaining the icing intensity and thickness of the wind measuring device, calculating the impact of the current icing on the wind measuring device, and optimizing the icing condition judgment logic; when it is determined that the temperature and humidity data have reached the icing conditions, generating an icing signal, transmitting the icing signal to the heating and deicing device according to the signal transmission device, and performing the heating and deicing operation; ensuring the safe, stable and efficient operation of the wind turbine.

[0069] Embodiment 2:

[0070] The embodiment of the present invention provides a wind measurement system for a wind turbine generator set, a temperature and humidity monitoring module, including:

[0071] The temperature and humidity sensor unit is used to obtain the temperature range and humidity range of the environment where the wind measuring device of the wind turbine is located, and select the temperature and humidity sensor in combination with the monitoring accuracy requirements;

[0072] A sensor deployment unit, used to set the sensor deployment position for monitoring the environment of the wind measuring device of the wind turbine generator set, and pre-deploy temperature and humidity sensors;

[0073] The temperature and humidity data unit is used to monitor the environment of the wind measuring device of the wind turbine in real time according to the pre-deployed temperature and humidity sensors, and obtain the temperature and humidity data of the wind measuring device, wherein the temperature and humidity data includes: temperature data and humidity data.

[0074] In this embodiment, the monitoring accuracy requirement refers to the temperature monitoring accuracy requirement and the humidity monitoring accuracy requirement for the environment in which the wind measuring device is located.

[0075] In this embodiment, the temperature and humidity sensors refer to a temperature sensor and a humidity sensor.

[0076] In this embodiment, the sensor deployment positions are key monitoring positions of the wind measuring device of the wind turbine generator set, such as the interior of the wind measuring device, the surface of the wind measuring device, and the surrounding environment of the wind measuring device.

[0077] In this embodiment, the temperature and humidity data of the wind measuring device refers to the temperature data and humidity data of the wind measuring device.

[0078] The working principle and beneficial effects of the above technical solution are: by pre-deploying sensors, the environment of the wind measuring device of the wind turbine is monitored in real time, and the temperature and humidity data of the wind measuring device are obtained, laying a data foundation for the subsequent wind measuring device to make icing judgments.

[0079] Embodiment 3:

[0080] The embodiment of the present invention provides a wind measurement system for a wind turbine generator set, a temperature and humidity data unit, including:

[0081] The data processing block is used to classify the temperature and humidity data, remove erroneous data and missing data, and unify the data format of the temperature and humidity data;

[0082] Data synchronization block, used to synchronize temperature and humidity data according to monitoring time;

[0083] The data storage block is used to temporarily store the temperature and humidity data that have been synchronously processed in the pre-deployed temperature and humidity sensor.

[0084] In this embodiment, the temperature and humidity data are classified and processed, for example, the temperature and humidity data are divided into temperature data and humidity data.

[0085] In this embodiment, the data formats of the temperature and humidity data are uniformly processed, for example, the data formats of the temperature data in the temperature and humidity data are uniformly processed, and the data formats of the humidity data in the temperature and humidity data are uniformly processed, so as to facilitate reading and utilizing the temperature and humidity data.

[0086] In this embodiment, synchronous processing refers to processing the temperature data and humidity data in the temperature and humidity data in a one-to-one correspondence according to the monitoring time. When the temperature data is called, the humidity data is obtained synchronously to form the temperature and humidity data for calling.

[0087] The working principle and beneficial effect of the above technical solution are: by classifying, unifying, synchronizing and temporarily storing the temperature and humidity data, the accuracy of the temperature and humidity data is ensured, which facilitates the subsequent call and utilization of the temperature and humidity data.

[0088] Embodiment 4:

[0089] The embodiment of the present invention provides a wind measurement system for a wind turbine generator set, and an icing determination module, comprising:

[0090] An icing setting unit is used to obtain icing conditions and set icing condition determination logic. When the wind measuring device meets the icing condition determination logic, it is determined that icing occurs in the wind measuring device, wherein the icing conditions include: temperature conditions, humidity conditions and duration conditions;

[0091] A supplementary setting unit, used to obtain the temperature and humidity data supercritical value and duration judgment value according to the historical temperature and humidity data of the wind measuring device, and to supplement the setting of the icing condition judgment logic;

[0092] The icing judgment unit is used to judge that the temperature and humidity data reaches the icing condition and the wind measuring device is frozen when the temperature and humidity data of the wind measuring device is not lower than the temperature and humidity supercritical value and the duration of the temperature and humidity data is not lower than the duration judgment value.

[0093] In this embodiment, the freezing conditions refer to the conditions required for floating water droplets to freeze, including: temperature conditions, humidity conditions, and duration conditions.

[0094] In this embodiment, the icing condition determination logic refers to logic for determining whether the wind measuring device reaches an icing condition.

[0095] In this embodiment, the historical temperature and humidity data refers to the temperature and humidity data obtained based on the historical monitoring of the wind measuring device.

[0096] In this embodiment, the temperature and humidity data exceeding the critical value refers to the threshold value at which the temperature and humidity data meets the freezing condition. For example, the temperature and humidity data exceeding the critical value a1, when the temperature and humidity data is not lower than a1, the temperature freezing condition and the humidity freezing condition are met.

[0097] In this embodiment, when the temperature and humidity data of the wind measuring device is not lower than the temperature and humidity supercritical value, for example, the temperature data in the temperature and humidity data is lower than 0 degrees Celsius, and the humidity data in the temperature and humidity data is at or above 0.8 relative humidity.

[0098] In this embodiment, the duration determination value refers to a threshold value of the duration required to reach the icing condition, for example, the duration determination value t1.

[0099] In this embodiment, supplementary settings for the icing condition determination logic refer to specific settings for the icing condition determination logic. For example, when the temperature data of the wind measuring device is lower than 0 degrees Celsius, the humidity data is at 0.8 relative humidity or above and the duration is not less than t1, it is determined that the temperature and humidity data of the wind measuring device have reached the icing conditions and icing occurs in the wind measuring device.

[0100] In this embodiment, the wind measuring device does not freeze immediately when the temperature condition and the humidity condition are met, and therefore, there is a duration determination value in the freezing condition.

[0101] The working principle and beneficial effects of the above technical solution are: by setting the icing condition judgment logic, obtaining the temperature and humidity supercritical value and the duration judgment value, when the temperature and humidity data are not lower than the temperature and humidity supercritical value and the duration of the temperature and humidity data is not lower than the duration judgment value, it is judged that the temperature and humidity data meet the icing conditions, which is conducive to accurately judging whether icing occurs in the wind measuring device.

[0102] Embodiment 5:

[0103] The embodiment of the present invention provides a wind measurement system for a wind turbine generator set, and an optimization determination module, comprising:

[0104] A flight velocity unit is used to obtain the ambient wind velocity of the environment where the wind measuring device is located according to the wind measuring device, and to approximately equate the ambient wind velocity with the flight velocity of the floating water droplets;

[0105] The flight trajectory unit is used to obtain the device range and monitoring range of the wind measuring device and establish a coordinate system;

[0106] The floating water droplets are set to be evenly distributed within the monitoring range, the water drop mass of the floating water droplets within the monitoring range is obtained, the force analysis of the floating water droplets within the monitoring range is performed, and the flight trajectory of the floating water droplets within the monitoring range is determined;

[0107] A water droplet collection coefficient unit is used to determine that a floating water droplet has collided with the wind measuring device when the flight trajectory of the floating water droplet within the monitoring range coincides with the device range of the wind measuring device, and to determine the water droplet collection coefficient according to the number of collisions between the floating water droplet and the wind measuring device;

[0108] An icing degree unit is used to obtain the icing intensity and icing thickness of the wind measuring device according to the water drop collection coefficient, set the influence weight of the icing intensity on the influence degree of the current icing on the wind measuring device and the influence weight of the icing thickness on the influence degree of the current icing on the wind measuring device, and calculate the influence degree of the current icing on the wind measuring device;

[0109] Where F represents the impact of current icing on the wind measuring device; (x0+t i1 v1 xi1 ,y0+t i1 v1 yi1 ,z0+t i1 v1 zi1 ) represents the motion trajectory of the floating water drop; x0 represents the initial x-axis coordinate of the floating water drop; y0 represents the initial y-axis coordinate of the floating water drop; z0 represents the initial z-axis coordinate of the floating water drop; v1 xi1Indicates that the floating water droplet has a duration of t in the i1th i1 The x-axis flight velocity; v1 yi1 Indicates that the floating water droplet has a duration of t in the i1th i1 The y-axis flight velocity; v1 zi1 Indicates that the floating water droplet has a duration of t in the i1th i1 The z-axis flight velocity; G((x0+t i1 v1 xi1 ,y0+t i1 v1 yi1 ,z0+t i1 v1 zi1 ),1) indicates that when the flight trajectory of the floating water droplet coincides with the device range of the wind measuring device, 1 is output, otherwise 0 is output; v1 indicates the flight velocity of the floating water droplet; LWC indicates the liquid water content; ρ indicates the density of the floating water droplet; t1 indicates the duration judgment value; a1 indicates the influence weight of the ice intensity on the current ice influence on the wind measuring device; a2 indicates the influence weight of the ice thickness on the current ice influence on the wind measuring device;

[0110] The optimization judgment unit is used to set the standard icing influence degree. If the current icing influence degree on the wind measuring device is not lower than the standard icing influence degree, it is determined that the icing condition judgment logic is accurate and no optimization judgment is required;

[0111] If the current icing impact on the wind measuring device is lower than the standard icing impact, the icing condition determination logic is optimized.

[0112] In this embodiment, the ambient wind speed refers to the air flow rate in the environment where the wind measuring device is located.

[0113] In this embodiment, the floating water droplets refer to the water droplets in the environment where the wind measuring device is located. The lower the ambient temperature and the higher the ambient humidity, the greater the number of floating water droplets.

[0114] In this embodiment, the flight velocity of the floating water droplets refers to the velocity of the floating water droplets in the environment where the wind measuring device is located.

[0115] In this embodiment, the device range of the wind measuring device refers to the device occupation range of the wind measuring device, and the monitoring range refers to the range of the wind measuring device for monitoring wind speed.

[0116] In this embodiment, the device range and monitoring range of the wind measuring device are obtained, and a coordinate system is established. For example, the lower left point of the monitoring range is selected as the coordinate origin to establish the coordinate system for accurately determining the device range and the monitoring range.

[0117] In this embodiment, the water drop mass refers to the weight data of the floating water droplets within the monitoring range.

[0118] In this embodiment, performing force analysis on the floating water droplets within the monitoring range refers to performing gravity force analysis on the floating water droplets within the monitoring range and performing velocity force analysis based on the flight velocity of the floating water droplets, thereby determining the flight trajectory of the floating water droplets within the monitoring range.

[0119] In this embodiment, the flight trajectory refers to the trajectory formed by the movement of the floating water droplets within the monitoring range, for example, the flight trajectory b1-b2-b3 of the floating water droplet a1.

[0120] In this embodiment, when the flight trajectory of a floating water droplet within the monitoring range coincides with the device range of the wind measuring device, the floating water droplet collides with the wind measuring device.

[0121] In this embodiment, the water droplet collection coefficient refers to a coefficient used to determine the effect of floating water droplets on the icing of the wind measuring device, and is determined according to the number of collisions between the floating water droplets and the wind measuring device.

[0122] In this embodiment, the icing intensity refers to the icing rate of the wind measuring device.

[0123] In this embodiment, the ice thickness refers to the degree of ice formation on the wind measuring device over a continuous period of time.

[0124] In this embodiment, the degree of influence of the current icing on the wind measuring device refers to the degree of influence of the icing conditions corresponding to the current temperature and humidity data on the operating performance of the wind measuring device.

[0125] In this embodiment, the standard icing impact degree refers to the impact degree corresponding to when the operating performance of the wind measuring device is acceptable.

[0126] In this embodiment, the impact of current icing on the wind measuring device is not less than the standard icing impact, that is, the current icing causes the operating performance of the wind measuring device to be unacceptable. In order to ensure the stable, safe and efficient operation of the wind measuring device and the wind turbine, subsequent de-icing operations are required, which means that the icing condition judgment logic is accurate and there is no judgment logic error.

[0127] In this embodiment, if the current icing impact on the wind measuring device is lower than the standard icing impact, that is, the current icing causes the operating performance of the wind measuring device to be unacceptable, then it means that the icing condition judgment logic is wrong. For example, the duration judgment value can be extended to perform subsequent de-icing operations.

[0128] The working principle and beneficial effects of the above technical solution are: by obtaining the flight velocity of floating water droplets in the environment where the wind measuring device is located according to the wind measuring device, determining the flight trajectory of the floating water droplets, obtaining the icing intensity and icing thickness of the wind measuring device, calculating the impact of the current icing on the wind measuring device, and optimizing the icing condition judgment logic, it is beneficial to further accurately judge whether icing occurs in the wind measuring device.

[0129] Embodiment 6:

[0130] The embodiment of the present invention provides a wind measurement system for a wind turbine generator set, a heating and deicing module, comprising:

[0131] An icing signal unit, used to generate an icing signal when it is determined that the temperature and humidity data reach the icing condition;

[0132] The heating and deicing unit is used to transmit the icing signal to the heating and deicing device according to the signal transmission device to perform the heating and deicing operation.

[0133] In this embodiment, the icing signal refers to a signal generated when it is determined that the temperature and humidity data reaches the icing condition, which is used for subsequent heating and deicing.

[0134] In this embodiment, the signal transmission device refers to a device for transmitting an icing signal to the heating and deicing device.

[0135] In this embodiment, the heating and deicing device refers to a device for heating and deicing the wind measuring device.

[0136] In this embodiment, by performing the heating and deicing operation, the utilization hours of the wind turbine can be significantly increased, and at the same time, more accurate wind speed parameters can be provided to the operating personnel to ensure the safe, stable and efficient operation of the wind turbine.

[0137] The working principle and beneficial effects of the above technical solution are: when it is determined that the temperature and humidity data have reached the freezing conditions, an freezing signal is generated, and the freezing signal is transmitted to the heating and deicing device according to the signal transmission device to perform the heating and deicing operation, thereby ensuring the safe, stable and efficient operation of the wind turbine.

[0138] Embodiment 7:

[0139] The embodiment of the present invention provides a wind measurement system for a wind turbine generator set, a heating and deicing unit, comprising:

[0140] The heating deicing block is used to set the heating deicing device according to the environment in which the wind measuring device is located and the device range of the wind measuring device. When it is monitored that the heating deicing device meets the environment in which the wind measuring device is located and the device range of the wind measuring device, it is determined that the setting of the heating deicing device is completed.

[0141] In this embodiment, the heating and deicing device is set according to the environment in which the wind measuring device is located and the device range of the wind measuring device, wherein the environment in which the wind measuring device is located is used to obtain the heating use environment of the heating and deicing device and set the device type of the heating and deicing device; the device range of the wind measuring device is used to set the heating power of the heating and deicing device, and the larger the device range, the greater the heating power.

[0142] In this embodiment, the heating and deicing device is set according to the device range of the wind measuring device to avoid waste of resources.

[0143] The working principle and beneficial effect of the above technical solution are: by setting the heating and deicing device according to the environment in which the wind measuring device is located and the device range of the wind measuring device, it is ensured that the heating and deicing device can achieve the deicing effect and effectively utilize resources.

[0144] Embodiment 8:

[0145] An embodiment of the present invention provides a wind measurement system for a wind turbine generator set, further comprising:

[0146] a deicing effect determination unit, configured to obtain an icing range of the wind measuring device when the heating deicing operation is completed, and determine the deicing effect of the heating deicing operation according to a ratio of the icing range of the wind measuring device to a device range of the wind measuring device;

[0147] A deicing optimization unit, used to optimize and adjust the settings of the heating deicing device when the deicing effect of the heating deicing operation does not meet the standard;

[0148] If the setting of the heating and deicing device cannot be adjusted and the deicing effect still does not meet the standard after the setting of the heating and deicing device is adjusted, the icing condition judgment logic is optimized and adjusted.

[0149] In this embodiment, obtaining the icing range of the wind measuring device when the heating and deicing operation is completed refers to the range of the wind measuring device where icing exists when the heating and deicing operation is completed, for example, the icing range a1.

[0150] In this embodiment, the deicing effect of the heating deicing operation is determined according to the ratio of the icing range of the wind measuring device to the device range of the wind measuring device. The closer the ratio is to 0, the better the deicing effect of the heating deicing operation.

[0151] In this embodiment, the deicing effect of the heating deicing operation includes a deicing effect that meets the standard and a deicing effect that does not meet the standard. For example, if the ratio of the icing range of the wind measuring device to the device range of the wind measuring device is (0, 0.2), the deicing effect is determined to be a deicing effect that meets the standard.

[0152] In this embodiment, when the deicing effect of the heating deicing operation does not meet the standard, the settings of the heating deicing device are optimized and adjusted, for example, the device type of the heating deicing device is switched, and the heating power of the heating deicing device is increased.

[0153] In this embodiment, if the setting of the heating and deicing device cannot be adjusted and the deicing effect still does not meet the standard after the setting of the heating and deicing device is adjusted, the icing condition judgment logic is optimized and adjusted, for example, the duration judgment value is shortened to reduce the icing phenomenon and thus improve the deicing effect.

[0154] The working principle and beneficial effect of the above technical solution are: by determining the deicing effect of the heating deicing operation, the safe, stable and efficient operation of the wind turbine is further ensured.

[0155] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A wind measurement system for a wind turbine, characterized in that: include: The temperature and humidity monitoring module is used to pre-deploy sensors to monitor the environment of the wind turbine's wind measuring device in real time and obtain the temperature and humidity data of the wind measuring device; The icing determination module is used to set the icing condition determination logic, obtain the temperature and humidity supercritical value and the duration determination value, and determine that the temperature and humidity data meet the icing conditions when the temperature and humidity data are not lower than the temperature and humidity supercritical value and the duration of the temperature and humidity data is not lower than the duration determination value; The optimization judgment module is used to obtain the flight velocity of floating water droplets in the environment where the wind measuring device is located according to the wind measuring device, determine the flight trajectory of the floating water droplets, obtain the icing intensity and icing thickness of the wind measuring device, calculate the impact of the current icing on the wind measuring device, and optimize the icing condition judgment logic; The heating and deicing module is used to generate an icing signal when it is determined that the temperature and humidity data have reached the icing conditions, and transmit the icing signal to the heating and deicing device according to the signal transmission device to perform the heating and deicing operation.

2. A wind measurement system for a wind turbine according to claim 1, characterized in that: Temperature and humidity monitoring module, including: The temperature and humidity sensor unit is used to obtain the temperature range and humidity range of the environment where the wind measuring device of the wind turbine is located, and select the temperature and humidity sensor in combination with the monitoring accuracy requirements; A sensor deployment unit, used to set the sensor deployment position for monitoring the environment of the wind measuring device of the wind turbine generator set, and pre-deploy temperature and humidity sensors; The temperature and humidity data unit is used to monitor the environment of the wind measuring device of the wind turbine in real time according to the pre-deployed temperature and humidity sensors, and obtain the temperature and humidity data of the wind measuring device, wherein the temperature and humidity data includes: temperature data and humidity data.

3. A wind measurement system for a wind turbine according to claim 2, characterized in that: Temperature and humidity data unit, including: The data processing block is used to classify the temperature and humidity data, remove erroneous data and missing data, and unify the data format of the temperature and humidity data; Data synchronization block, used to synchronize temperature and humidity data according to monitoring time; The data storage block is used to temporarily store the temperature and humidity data that have been synchronously processed in the pre-deployed temperature and humidity sensor.

4. The wind measurement system for a wind turbine according to claim 1, characterized in that: Icing determination module, including: An icing setting unit is used to obtain icing conditions and set icing condition determination logic. When the wind measuring device meets the icing condition determination logic, it is determined that icing occurs in the wind measuring device, wherein the icing conditions include: temperature conditions, humidity conditions and duration conditions; A supplementary setting unit, used to obtain the temperature and humidity data supercritical value and duration judgment value according to the historical temperature and humidity data of the wind measuring device, and to supplement the setting of the icing condition judgment logic; The icing judgment unit is used to judge that the temperature and humidity data reaches the icing condition and the wind measuring device is frozen when the temperature and humidity data of the wind measuring device is not lower than the temperature and humidity supercritical value and the duration of the temperature and humidity data is not lower than the duration judgment value.

5. The wind measurement system for a wind turbine according to claim 1, characterized in that: Optimize the judgment module, including: A flight velocity unit is used to obtain the ambient wind velocity of the environment where the wind measuring device is located according to the wind measuring device, and to approximately equate the ambient wind velocity with the flight velocity of the floating water droplets; The flight trajectory unit is used to obtain the device range and monitoring range of the wind measuring device and establish a coordinate system; The floating water droplets are set to be evenly distributed within the monitoring range, the water drop mass of the floating water droplets within the monitoring range is obtained, the force analysis of the floating water droplets within the monitoring range is performed, and the flight trajectory of the floating water droplets within the monitoring range is determined; A water droplet collection coefficient unit is used to determine that a floating water droplet has collided with the wind measuring device when the flight trajectory of the floating water droplet within the monitoring range coincides with the device range of the wind measuring device, and to determine the water droplet collection coefficient according to the number of collisions between the floating water droplet and the wind measuring device; An icing degree unit is used to obtain the icing intensity and icing thickness of the wind measuring device according to the water drop collection coefficient, set the influence weight of the icing intensity on the influence degree of the current icing on the wind measuring device and the influence weight of the icing thickness on the influence degree of the current icing on the wind measuring device, and calculate the influence degree of the current icing on the wind measuring device; Where F represents the impact of current icing on the wind measuring device; (x0+t i1 v1 xi1 ,y0+t i1 v1 yi1 ,z0+t i1 v1 zi1 ) represents the motion trajectory of the floating water drop; x0 represents the initial x-axis coordinate of the floating water drop; y0 represents the initial y-axis coordinate of the floating water drop; z0 represents the initial z-axis coordinate of the floating water drop; v1 xi1 Indicates that the floating water droplet has a duration of t in the i1th i1 The x-axis flight velocity; v1 yi1 Indicates that the floating water droplet has a duration of t in the i1th i1 The y-axis flight velocity; v1 zi1 Indicates that the floating water droplet has a duration of t in the i1th i1 The z-axis flight velocity; G((x0+t i1 v1 xi1 ,y0+t i1 v1 yi1 ,z0+t i1 v1 zi1 ),1) indicates that when the flight trajectory of the floating water droplet coincides with the device range of the wind measuring device, 1 is output, otherwise 0 is output; v1 indicates the flight velocity of the floating water droplet; LWC indicates the liquid water content; ρ indicates the density of the floating water droplet; t1 indicates the duration judgment value; a1 indicates the influence weight of the ice intensity on the current ice influence on the wind measuring device; a2 indicates the influence weight of the ice thickness on the current ice influence on the wind measuring device; The optimization judgment unit is used to set the standard icing influence degree. If the current icing influence degree on the wind measuring device is not lower than the standard icing influence degree, it is determined that the icing condition judgment logic is accurate and no optimization judgment is required; If the current icing impact on the wind measuring device is lower than the standard icing impact, the icing condition determination logic is optimized.

6. The wind measurement system for a wind turbine according to claim 1, characterized in that: Heating and de-icing module, including: An icing signal unit, used to generate an icing signal when it is determined that the temperature and humidity data reach the icing condition; The heating and deicing unit is used to transmit the icing signal to the heating and deicing device according to the signal transmission device to perform the heating and deicing operation.

7. A wind measurement system for a wind turbine according to claim 6, characterized in that: Heated de-icing unit, comprising: The heating deicing block is used to set the heating deicing device according to the environment in which the wind measuring device is located and the device range of the wind measuring device. When it is monitored that the heating deicing device meets the environment in which the wind measuring device is located and the device range of the wind measuring device, it is determined that the setting of the heating deicing device is completed.

8. The wind measurement system for a wind turbine according to claim 7, characterized in that: Also includes: a deicing effect determination unit, configured to obtain an icing range of the wind measuring device when the heating deicing operation is completed, and determine the deicing effect of the heating deicing operation according to a ratio of the icing range of the wind measuring device to a device range of the wind measuring device; A deicing optimization unit, used to optimize and adjust the settings of the heating deicing device when the deicing effect of the heating deicing operation does not meet the standard; If the setting of the heating and deicing device cannot be adjusted and the deicing effect still does not meet the standard after the setting of the heating and deicing device is adjusted, the icing condition judgment logic is optimized and adjusted.

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