Heating device of wind generating set

Abstract

The utility model discloses a heating device of a wind generating set, which is used for melting frost on an anemograph outside a cover plate of a cabin and comprises a photovoltaic panel arranged on the outer wall of the cover plate and fixedly connected with the cover plate. And the power supply system is positioned on one side of the photovoltaic panel and is electrically connected with the photovoltaic panel. And the bracket is arranged between the photovoltaic panel and the power supply system and is fixedly connected with the cover plate, and the top of the bracket is detachably connected with the anemograph. The supporting assembly is arranged on one side of the power supply system and fixedly connected with the support and the cover plate. And the heating assembly sleeves the bracket and is electrically connected with the power supply system. DC voltage generated by the photovoltaic panel is input to the power supply system, the power supply system carries out secondary distribution and conversion on a DC power supply and supplies power to the heating assembly through the support, and the heating assembly melts frost on the anemograph through electric energy, so that freezing and snow accumulation of the anemograph under the low-temperature condition in winter are avoided, and the influence on the speed measurement result of the anemograph is avoided; and the accuracy of the anemograph is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to an anemograph deicing technology field especially relates to a wind generating set heating device. BACKGROUND

[0002] Modern wind power generation technology, namely wind wheel power generation technology. The technology drives the generator to generate electricity through the rotation of the wind wheel. The faster the wind wheel rotates, the more power the generator generates. The wind wheel of Xiangshan wind farm in Zhongwei adopts a blade adjustable design, which can automatically adjust the blade angle according to different wind speeds to achieve the best power generation effect.

[0003] With the increase of the operation life, the unit device appears the aging problem, resulting in the unit availability reduction, especially in the Xiangshan area, the morning and evening temperature difference is big, the ultrasonic anemometer surface is prone to frost, icing and other phenomena, the anemometer has 24V heating device, but due to the power is too low, the heating effect is not good, and even some units because the scene reason will heat the line off, and has not been put into use, so that the anemometer measured result is abnormal, often produces error, reduces the sensing accuracy of the anemometer, and further affects the power generation efficiency and power generation capacity of the unit, especially in winter greatly reduces the unit availability, so the staff needs to go out of the cabin for maintenance processing, because the winter out-of-cabin operation risk hidden danger is bigger, the maintenance difficulty is very big.

[0004] Therefore, the ice on the outside of the anemometer leads to the detection result error, and further reduces the detection accuracy of the anemometer and the power generation efficiency of the unit. INVENTION CONTENTS

[0005] In order to solve the above technical problems, the utility model provides a wind generating set heating device, through the photovoltaic board, power supply system, support, support assembly and heating assembly are combined together to heat and melt the frost on the anemometer.

[0006] In order to achieve the above purpose, the utility model is through following technical scheme realizes:

[0007] A wind generating set heating device for melting the frost on the anemometer outside the cabin cover plate, comprising:

[0008] Photovoltaic board is set up on the outer wall of the cover plate and is fixedly connected with the cover plate.

[0009] Power supply system is located at one side of the photovoltaic board and is electrically connected with the photovoltaic board, for twice distribution and conversion of direct current of the photovoltaic board.

[0010] Support is set between the photovoltaic board and the power supply system and is fixedly connected with the cover plate, the top of the support is detachably connected with the anemometer, and the power supply system provides power supply to the anemometer through the support.

[0011] The support assembly is arranged on one side of the power supply system and is fixedly connected with the support and the cover plate respectively, and is used for supporting the position of the support on the cover plate.

[0012] The heating assembly is sleeved on the support and is electrically connected with the power supply system, and is used for melting the ice and frost by using the electric energy of the power supply system.

[0013] Compared with the prior art, the anvil has the following advantages:

[0014] The direct current voltage generated by the photovoltaic panel is input to the power supply system, the power supply system performs secondary distribution and conversion on the direct current power supply, and supplies power to the heating assembly through the support, and the heating assembly melts the ice and frost on the anemometer by using the electric energy, so that the anemometer is prevented from being frozen and snowed due to snowing, frost, low temperature icing and the like in winter, and the speed measurement result of the anemometer is prevented from being affected, and the accuracy of the anemometer is improved.

[0015] Further preferably, the power supply system comprises:

[0016] The distribution box is arranged on one side of the photovoltaic panel and is fixedly connected with the cover plate.

[0017] The solar controller is fixed to the inner wall of the distribution box and is electrically connected with the photovoltaic panel.

[0018] The storage battery is arranged in the distribution box, the input end of the storage battery is electrically connected with the solar controller, and the output end of the storage battery is electrically connected with the heating assembly.

[0019] The power supply system composed of the distribution box, the solar controller and the storage battery forms a parallel circuit control system with the anemometer and the load, the solar controller performs secondary distribution on the input direct current power supply and distributes the direct current power supply to the storage battery port and the load port. The storage battery stores the direct current power supply as an intermediate component, and performs secondary distribution on the power stored in the storage battery, wherein a part of the power is used as a load power supply or a standby power supply, and the other part is used as a direct power supply of the inverter. The solar controller is used for controlling the photovoltaic panel to charge the storage battery, and is also used for controlling the storage battery to supply power to the inverter.

[0020] Further preferably, the power supply system further comprises an inverter located in the distribution box and electrically connected with the output end of the storage battery, and used for converting the direct current from the storage battery into alternating current.

[0021] The inverter supplies power to the heating assembly, so that the heating assembly heats the anemometer.

[0022] Further preferably, the support comprises:

[0023] The vertical rods are both located between the photovoltaic panel and the distribution box and are fixedly connected with the cover plate.

[0024] The first horizontal rod is arranged between the two vertical rods and is located at the lower part of the vertical rods, and the end of the first horizontal rod is fixedly connected with the vertical rods.

[0025] The two inclined rods are arranged on the vertical rods, and one end of each inclined rod is fixedly connected with the top end of the vertical rods.

[0026] The second horizontal rod is arranged between the two inclined rods, and the end of the second horizontal rod is connected with the inclined rods.

[0027] The first supporting rod is vertically arranged on the two inclined rods, and the top of the first supporting rod is connected with the anemometer.

[0028] The second supporting rod is obliquely arranged on the inclined rods, and the bottom of the second supporting rod is fixedly connected with the bottom of the first supporting rod and the inclined rods, and the top of the second supporting rod is connected with the aviation lamp.

[0029] The vertical rods, the first horizontal rod, the inclined rods, the first supporting rod and the second supporting rod form a line space for providing power supply for the heating assembly, and the power supply system supplies power to the heating assembly and the load in parallel through the first supporting rod and the second supporting rod, so that the heating assembly works to melt the ice and snow on the anemometer, and the standby power supply can be provided.

[0030] Further preferably, an acute angle is formed between the first supporting rod and the second supporting rod.

[0031] The above technical solution can balance the gravity center of the support on the cover plate, so that the support can be in a stable state on the cover plate.

[0032] Further preferably, the vertical rods, the first horizontal rod, the inclined rods, the first supporting rod and the second supporting rod are all hollow rods.

[0033] The above technical solution can make the electric wires from the power distribution pass through the vertical rods, the first horizontal rod, the inclined rods, the first supporting rod and the second supporting rod to provide power supply for the heating assembly and the load, so that the purpose of melting ice and snow by the heating assembly can be achieved.

[0034] Further preferably, the support assembly comprises:

[0035] The support rod is an inclined L-shaped rod, and the top of the support rod is fixedly connected with the second horizontal rod.

[0036] The fixing seat is arranged on the cover plate, and the bottom of the fixing seat is fixedly connected with the cover plate, and the top of the fixing seat is connected with the support rod.

[0037] The above technical solution can support the support on the cover plate by connecting the support rod with the fixing seat, so that the support can be stably fixed on the cover plate.

[0038] Further preferably, the fixing seat is annular, and the end of the support rod extends into the fixing seat from the outer wall of the fixing seat.

[0039] By adopting the technical scheme, the support rod and the fixing base are fixedly connected together, and the support is supported.

[0040] Further, the heating assembly comprises:

[0041] The heating shell is sleeved on the anemograph and electrically connected with the inverter, and is used for heating and melting ice and snow on the anemograph.

[0042] The clamping groove is in a concave opening shape and is arranged on the heating shell and clamped with the sensing end of the anemograph.

[0043] The heating box is arranged outside the heating shell and is integrally connected with the clamping groove, the horizontal part of the anemograph is located in the heating box, and the heating box is used for transmitting heat of the heating shell to the anemograph.

[0044] By adopting the technical scheme, the inverter converts direct current into alternating current to heat the heating shell, the heating shell transmits heat to the heating box through the clamping groove, and the heating box melts ice and snow on the anemograph after heating.

[0045] Further, the heating box is concave, and a gap exists between the heating box and the anemograph.

[0046] By adopting the technical scheme, the heating shell can be well sleeved on the anemograph in a clamped relationship with the horizontal part of the anemograph. BRIEF DESCRIPTION OF DRAWINGS

[0047] Figure 1 It is a structural schematic diagram of the embodiment.

[0048] Figure 2 It is a structural schematic diagram of the power supply system in the embodiment.

[0049] Figure 3 It is a control circuit schematic diagram of the power supply system in the embodiment.

[0050] Figure 4 It is a connection electrical connection schematic diagram of the storage battery and the aviation lamp in the embodiment.

[0051] Figure 5 It is a structural schematic diagram of the heating shell, the heating box and the clamping groove in the embodiment.

[0052] Figure 6 It is a structural schematic diagram of the heating assembly in the embodiment.

[0053] Figure 7 It is a structural schematic diagram of the support assembly in the embodiment.

[0054] Reference numerals: 1-Cover plate; 2-Bracket; 20-First crossbar; 21-Upright pole; 22-Diagonal pole; 23-Second crossbar; 24-First support pole; 25-Second support pole; 26-Center pole; 3-Heating assembly; 31-Heating shell; 32-Heating box; 33-Slot; 4-Load; 5-Support assembly; 51-Support rod; 52-Fixing base; 6-Photovoltaic panel; 7-Power system; 71-Distribution box; 72-Battery; 73-Inverter; 74-Solar controller; 8-Anemometer; 9-Aviation light. Detailed Implementation

[0055] The following is in conjunction with the appendix Figures 1-7 This utility model will be described in further detail.

[0056] A wind turbine generator heating device is used to melt frost on the external anemometer 8 of the nacelle cover 1, such as... Figure 1 As shown, it includes:

[0057] Photovoltaic panel 6 is installed on the outer wall of cover plate 1 and is fixedly connected to cover plate 1.

[0058] The power supply system 7, located on one side of the photovoltaic panel 6, is electrically connected to the photovoltaic panel 6 and is used for secondary distribution and conversion of the direct current from the photovoltaic panel 6. The photovoltaic panel 6 and the power supply system 7 are connected by wires, which is a conventional and existing electrical connection technology and is not shown in the accompanying drawings of the specification.

[0059] The bracket 2 is set between the photovoltaic panel 6 and the power system 7 and is fixedly connected to the cover plate 1. The top of the bracket 2 is detachably connected to the anemometer 8. The power system 7 provides power to the anemometer 8 through the bracket 2.

[0060] Support component 5 is located on one side of power system 7 and is fixedly connected to bracket 2 and cover plate 1 respectively, and is used to support and limit the position of bracket 2 on cover plate 1.

[0061] Heating component 3 is fitted onto bracket 2 and electrically connected to power system 7, used to melt frost using electrical energy from power system 7.

[0062] The DC voltage generated by the photovoltaic panel 6 is input to the power supply system 7. The power supply system 7 performs secondary distribution and conversion of the DC power and supplies power to the heating component 3 through the bracket 2. The heating component 3 uses electrical energy to melt the frost on the anemometer 8, avoiding the anemometer 8 from freezing and accumulating snow due to snow, frost, and low temperature frost in winter, thus avoiding affecting the speed measurement results of the anemometer 8, improving the accuracy of the anemometer 8, and reducing the frequency of out-of-cabin maintenance.

[0063] Specifically, such as Figure 1 and Figure 3 As shown, the power supply system 7 in this embodiment includes:

[0064] The distribution box 71 is arranged on one side of the photovoltaic panel 6 and is fixedly connected with the cover plate 1.

[0065] The solar controller 74 is fixed on the inner wall of the distribution box 71 and is electrically connected with the photovoltaic panel 6. The electrical output end of the photovoltaic panel 6 is electrically connected with the input end of the solar controller 74.

[0066] The storage battery 72 is arranged in the distribution box 71. The input end of the storage battery 72 is electrically connected with the output end of the solar controller 74, and the output end is electrically connected with the heating assembly 3.

[0067] The power supply system 7 composed of the distribution box 71, the solar controller 74 and the storage battery 72 forms a parallel circuit control system with the anemometer 8 and other loads. The solar controller 74 performs secondary distribution on the input direct-current power supply and distributes the direct-current power supply to the port of the storage battery 72 and the load port. The other loads include the wind vane 4, the aviation lamp 9 and the monitoring element, etc. The storage battery 72 serves as an intermediate component and stores the direct-current power supply. The power supply stored in the storage battery 72 is secondarily distributed. Part of the power supply is used as a load power supply or a standby power supply, and the other part is used as a direct-supply power supply of the inverter 73. The solar controller 74 is used to control the photovoltaic panel 6 to charge the storage battery 72 and is also used to control the storage battery 72 to supply power to the inverter 73.

[0068] Specifically, as shown in Figure 1 and Figure 3 The power supply system 7 in the embodiment further includes the inverter 73 which is located in the distribution box 71 and is electrically connected with the output end of the storage battery 72. The inverter 73 is used to convert the direct-current power from the storage battery 72 into alternating-current power and is used to supply power to the heating assembly 3 so that the heating assembly 3 heats the anemometer 8.

[0069] Specifically, as shown in Figure 1 and Figure 2 The support 2 in the embodiment includes:

[0070] The vertical rods 21 are two in number and are located between the photovoltaic panel 6 and the distribution box 71 and are fixedly connected with the cover plate 1.

[0071] The first horizontal rod 20 is arranged between the two vertical rods 21 and is located at the lower part of the vertical rods 21. The end of the first horizontal rod 20 is fixedly connected with the vertical rods 21.

[0072] The inclined rods 22 are two in number and are arranged on the vertical rods 21. One end of each of the inclined rods 22 is fixedly connected with the top end of the vertical rods 21. The other end of each of the inclined rods 22 is connected with.

[0073] The second horizontal rod 23 is arranged between the two inclined rods 22 and is connected with the inclined rods 22 at the ends thereof.

[0074] The first supporting rod 24 is vertically arranged on the two inclined rods 22, and the top of the first supporting rod 24 is connected with the anemometer 8, and the heating assembly 3 is sleeved on the anemometer 8.

[0075] The second supporting rod 25 is obliquely arranged on the inclined rod 22, and the bottom of the second supporting rod 25 is fixedly connected with the bottom of the first supporting rod 24 and the inclined rod 22, and the top of the second supporting rod 25 is connected with the aviation lamp 9.

[0076] The vertical rod 21, the first horizontal rod 20, the inclined rod 22, the first supporting rod 24 and the second supporting rod 25 form a line space for providing power supply to the heating assembly 3, and the electric wires from the inverter 73 or the storage battery 72 pass through the line space. The power supply system 7 supplies power to the heating assembly 3 and the load in parallel through the first supporting rod 24 and the second supporting rod 25, so that the heating assembly 3 works to melt the ice and snow on the anemometer 8, and the standby power supply can be provided.

[0077] Specifically, as shown in Figure 1 and Figure 2 , the first supporting rod 24 and the second supporting rod 25 in the embodiment form an acute angle, so that the gravity center of the support 2 on the cover plate 1 can be balanced, and the support 2 can be in a stable state on the cover plate 1.

[0078] Specifically, as shown in Figure 1 and Figure 2 , the vertical rod 21, the first horizontal rod 20, the inclined rod 22, the first supporting rod 24 and the second supporting rod 25 in the embodiment are all hollow rods, and the electric wires from the power distribution can pass through the vertical rod 21, the first horizontal rod 20, the inclined rod 22, the first supporting rod 24 and the second supporting rod 25 to provide power supply to the heating assembly 3 and the load, so that the purpose of melting ice and snow by the heating assembly 3 can be achieved.

[0079] Specifically, as shown in Figure 1 and Figure 2 , the support assembly 5 in the embodiment comprises:

[0080] The supporting rod 51 is an inclined L-shaped rod, and the top of the supporting rod 51 is fixedly connected with the second horizontal rod 23.

[0081] The fixing seat 52 is arranged on the cover plate 1, and the bottom of the fixing seat 52 is fixedly connected with the cover plate 1, and the upper part of the fixing seat 52 is connected with the supporting rod 51.

[0082] After the supporting rod 51 is connected with the fixing seat 52, the support 2 is supported on the cover plate 1, so that the support 2 is stably fixed on the cover plate 1.

[0083] Specifically, as shown in Figure 1 and Figure 7 , the fixing seat 52 in the embodiment is annular, and the end of the supporting rod 51 extends into the fixing seat 52 from the outer wall of the fixing seat 52, so that the supporting rod 51 and the fixing seat 52 are fixedly connected together, and the support 2 is supported.

[0084] Specifically, as shown in Figure 1 and Figure 5 , the heating assembly 3 in the embodiment comprises:

[0085] The heating shell 31 is sleeved on the anemometer 8 and is electrically connected with the inverter 73, and is used for heating and melting the ice and snow on the anemometer 8.

[0086] The clamping groove 33 is in a concave opening shape and is arranged on the heating shell 31 and is clamped with the sensing end of the anemometer 8.

[0087] The heating box 32 is arranged outside the heating shell 31 and is integrally connected with the clamping groove 33, and the horizontal part of the anemometer 8 is located in the heating box 32, and is used for transmitting the heat of the heating shell 31 to the anemometer 8.

[0088] The inverter 73 converts the direct current into alternating current to heat the heating shell 31, and the heating shell 31 transmits the heat to the heating box 32 through the clamping groove 33, and the heating box 32 melts the ice and snow on the anemometer 8 after heating.

[0089] Specifically, as shown in Figure 5 and Figure 6 , the heating box 32 in the embodiment is in a concave shape, and there is a gap between the heating box 32 and the anemometer 8, and the horizontal part of the anemometer 8 is clamped with the heating shell 31, so that the heating shell 31 can be well sleeved on the anemometer 8.

[0090] Please combine Figures 1-7 , the principle of the embodiment is described as follows:

[0091] The electric wire from the inverter 73 or the battery 72 enters the first horizontal rod 20 and then enters the inclined rod 22 from the two side vertical rods 21, and then provides power supply to the heating shell 31, the anemometer 8 and the aviation lamp 9 through the first branch rod 24 and the second branch rod 25 respectively, the direct current voltage generated by the solar photovoltaic panel 6 is input into the solar power controller, the solar power controller plays a role of power distribution, the solar controller 74 performs secondary distribution on the input direct current voltage and distributes it to the battery 72 port and the load port, wherein the load port can be connected with the aviation lamp 9, the wind vane 4, the environmental monitoring element and other direct current loads. The battery 72 port is connected with the input end of the battery 72, and the battery 72 serves as an intermediate component and stores the direct current output by the photovoltaic panel 6, and the current stored in the battery 72 is secondarily distributed, which can be used as a load or a standby power supply source. When used as a standby power supply source, the damage of components caused by line power failure due to tripping or other reasons can be avoided, for example, after 400V power supply in the cabin or 400V tripping of the whole machine, the anemometer 8, the wind vane 4, the aviation lamp 9 and the monitoring element can be standby powered, Figure 1 , Figure 2As shown in Figs. 4, the battery 72 is connected with the aviation lamp 9 through the electric wire in the second supporting rod 25 and the diagonal rod 22 to supply power to the aviation lamp 9, and the battery 72 is connected with the wind vane 4 through the electric wire in the diagonal rod 22 and the middle rod 26 to supply power to the wind vane 4; secondly, the direct current can be output from the battery 72 to the inverter 73, the inverter 73 converts the direct current into alternating current to supply power to the heating shell 31, the heating shell 31 generates heat by using the electric energy to heat the ice and snow on the anemometer 8, the battery 72 can also be directly connected with the heating shell 31 to save the inverter 73 and directly supply power to the heating sheet.

[0092] In summary, the photovoltaic panel 6, the power supply system 7, the support 2, the supporting assembly 5 and the heating assembly 3 can convert the solar energy into power to supply power to the heating assembly 3, the ice and snow frozen on the anemometer 8 is melted by the heating assembly 3, the anemometer 8 is prevented from being frozen and snowed in winter, the detection accuracy of the anemometer 8 is improved, the error is reduced, the accuracy of the anemometer 8 is improved, the power generation efficiency and the power generation capacity of the unit are improved, and the maintenance difficulty is reduced.

[0093] The embodiment is only an explanation of the utility model, and is not a limitation of the utility model, and a person skilled in the art can make a modification without creative contribution according to the need after reading the specification, and the modification is protected by the patent law as long as it is within the protection scope of the utility model.

Claims

1. A heating device for a wind turbine for melting ice and snow on an external anemometer (8) on a nacelle cover (1), characterized in that It includes: Photovoltaic panel (6) is arranged on the outer wall of the cover plate (1) and fixedly connected with the cover plate (1); Power supply system (7) is located on one side of the photovoltaic panel (6) and electrically connected with the photovoltaic panel (6), for secondary distribution and conversion of direct current power supply of photovoltaic panel (6); Support (2) is arranged between the photovoltaic panel (6) and the power supply system (7) and fixedly connected with the cover plate (1), the top of the support (2) is detachably connected with the anemograph (8), and the power supply system (7) provides power to the anemograph (8) through the support (2); Supporting assembly (5) is arranged on one side of the power supply system (7) and fixedly connected with the support (2) and the cover plate (1) respectively, for supporting the position of the support (2) on the cover plate (1); Heating assembly (3) is sleeved on the support (2) and electrically connected with the power supply system (7), for melting ice and frost by using the electric energy of the power supply system (7).

2. The wind turbine heater of claim 1, wherein, The power supply system (7) comprises: Distribution box (71) is arranged on one side of the photovoltaic panel (6) and fixedly connected with the cover plate (1); Solar controller (74) is fixed on the inner wall of the distribution box (71) and electrically connected with the photovoltaic panel (6); Battery (72) is arranged in the distribution box (71), the input end is electrically connected with the solar controller (74), and the output end is electrically connected with the heating assembly (31).

3. The wind turbine heater of claim 2, wherein, The power supply system (7) further comprises an inverter (73) located in the distribution box (71) and electrically connected with the output end of the battery (72), for converting direct current from the battery (72) into alternating current.

4. The wind turbine heater of claim 2, wherein, The support (2) comprises: Stand (21), the number is 2, is located between the photovoltaic panel (6) and the distribution box (71), and is fixedly connected with the cover plate (1); First cross bar (20) is arranged between two stand rods (21) and located at the lower part of the stand rod (21), and the end is fixedly connected with the stand rod (21); Inclined rod (22), the number is 2, is arranged on the stand rod (21), one end is fixedly connected with the top end of the stand rod (21), and the other end of each inclined rod (22) is connected; Second cross bar (23) is arranged between two inclined rods (22) and connected with the inclined rod (22) at the end; First support rod (24) is vertically arranged on two inclined rods (22), the top is connected with the anemograph (8), and the heating assembly (3) is sleeved on the anemograph (8); Second support rod (25) is arranged on the inclined rod (22) in an inclined manner, the bottom is fixedly connected with the bottom of the first support rod (24) and the inclined rod (22), and the top is connected with the aviation lamp (9).

5. The wind turbine generator set heating apparatus according to claim 4, wherein An acute angle is formed between the first support rod (24) and the second support rod (25).

6. The wind turbine generator set heating apparatus according to claim 4, wherein The stand rod (21), the first cross bar (20), the inclined rod (22), the first support rod (24) and the second support rod (25) are all hollow rods.

7. The wind turbine generator set heating apparatus according to claim 4, wherein The support assembly (5) comprises: a support rod (51) in the shape of an inclined L, the top of which is fixedly connected with the second cross rod (23); a fixed seat (52) arranged on the cover plate (1), the bottom of which is fixedly connected with the cover plate (1), and the upper part of which is connected with the support rod (51).

8. The wind turbine generator set heating apparatus according to claim 7, characterized by, The fixed seat (52) is in the shape of a ring.

9. The wind turbine generator set heating apparatus according to claim 3, wherein, The heating assembly (3) comprises: a heating shell (31) sleeved on the anemograph (8) and electrically connected with the inverter (73), used for heating and melting the ice and frost on the anemograph (8); a clamping groove (33) in the shape of a concave opening, arranged on the heating shell (31) and clamped with the sensing end of the anemograph (8); a heating box (32) arranged on the outside of the heating shell (31) and integrally connected with the clamping groove (33), the horizontal part of the anemograph (8) being located in the heating box (32) and used for transferring the heat of the heating shell (31) to the anemograph (8).

10. The wind turbine generator set heating apparatus according to claim 9, characterized by, The heating box (32) is in the shape of a concave, and there is a gap between the heating box (32) and the anemograph (8).

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