A heat dissipation system for a wind turbine

Abstract

The embodiment of the present application provides a heat dissipation system for a wind turbine, including a heat delivery mechanism, a refrigeration mechanism, a transmission mechanism, a plurality of temperature and humidity sensors and a controller; the heat delivery mechanism is arranged in the cabin of the wind turbine, and is respectively connected to the refrigeration mechanism and the transmission mechanism; the refrigeration mechanism is arranged in the cabin, and is connected to the transmission mechanism; the transmission mechanism is used to contact the wind turbine; the plurality of temperature and humidity sensors are arranged at one end of the transmission mechanism in contact with the wind turbine, and are connected to the controller; the controller is arranged on the refrigeration mechanism, and is connected to the heat delivery mechanism. When the temperature and humidity data returned by the plurality of temperature and humidity sensors are low, the controller can control the heat dissipation system to stop working, thereby preventing the heat dissipation system from working for a long time in a high temperature and high humidity environment and causing damage to the internal components.

Description

Technical Field

[0001] The present application relates to the field of electrical technology, and in particular to a heat dissipation system for a wind turbine. Background Art

[0002] With the continuous development of the wind power industry, large wind turbines are being used more and more widely. Since wind turbines generate heat during operation, if the heat is not dissipated in time, it is easy to cause serious damage to the equipment in the nacelle of the wind turbine. This has led to the use of heat dissipation equipment on wind turbines. The working environment of wind turbines is mostly high temperature and high humidity. If the heat dissipation equipment works for a long time, it is easy to cause damage to the components. Summary of the invention

[0003] The purpose of the embodiments of the present application is to provide a heat dissipation system for a wind turbine, so as to control the working state of the heat dissipation system according to the temperature and humidity conditions in the cabin of the wind turbine, so as to avoid the heat dissipation system from working in a high temperature and high humidity environment for a long time and causing damage.

[0004] The embodiment of the present application provides a heat dissipation system for a wind turbine, comprising a heat delivery mechanism, a refrigeration mechanism, a transmission mechanism, a plurality of temperature and humidity sensors and a controller; the heat delivery mechanism is arranged in the cabin of the wind turbine and is respectively connected to the refrigeration mechanism and the transmission mechanism, for sucking air in the cabin, and processing the air into hot air through the heat from the refrigeration mechanism and transmitting it to the transmission mechanism; the refrigeration mechanism is arranged in the cabin and is connected to the transmission mechanism, for absorbing the heat of the hot air from the transmission mechanism to process the hot air into cold air; the transmission mechanism is used to contact the wind turbine and transport the cold air to the wind turbine; the plurality of temperature and humidity sensors are arranged at one end of the transmission mechanism contacting the wind turbine and is connected to the controller, for sending the detected temperature and humidity signals to the controller; the controller is arranged on the refrigeration mechanism and is connected to the heat delivery mechanism, for controlling the working states of the heat delivery mechanism and the refrigeration mechanism according to the temperature and humidity signals.

[0005] In the above implementation process, the heat dissipation system for the wind turbine includes a heat delivery mechanism, a refrigeration mechanism, a transmission mechanism, multiple temperature and humidity sensors and a controller. The heat delivery mechanism is arranged in the cabin of the wind turbine and is respectively connected to the refrigeration mechanism and the transmission mechanism. The refrigeration mechanism is arranged in the cabin and is connected to the transmission mechanism. The transmission mechanism is in contact with the wind turbine. Multiple temperature and humidity sensors are arranged at the place where the transmission mechanism contacts the wind turbine and are connected to the controller. The controller is arranged on the refrigeration mechanism and connected to the heat delivery mechanism. The heat delivery mechanism receives the heat delivered by the refrigeration mechanism, and uses the heat to process the air in the cabin into hot air, and transmits it to the refrigeration mechanism through the transmission mechanism. The refrigeration mechanism absorbs the heat in the hot air from the heat delivery mechanism to process the hot air into cold air, and transmits it to the wind turbine through the transmission mechanism for cooling. At the same time, the refrigeration mechanism sends the absorbed heat to the heat delivery mechanism. Multiple temperature and humidity sensors can detect the temperature and humidity at the cooling point, and send the temperature and humidity signals to the controller. The controller determines whether the heat delivery mechanism and the refrigeration mechanism are working according to the temperature and humidity signals, thereby avoiding the heat dissipation system from working for a long time in a high temperature and high humidity environment, thereby causing damage.

[0006] Furthermore, the heat delivery mechanism includes a first shell, a first fan and a first heat exchanger; the first shell is connected to the transmission mechanism; the first fan is arranged on the first shell and connected to the controller; the first heat exchanger is arranged in the first shell and connected to the refrigeration mechanism.

[0007] In the above implementation process, the heat delivery mechanism includes a first shell, a first fan and a first heat exchanger. The first shell is connected to the transmission mechanism. The first fan is arranged on the first shell and connected to the controller. The first heat exchanger is arranged in the first shell and connected to the refrigeration mechanism. The fan sucks the air in the cabin into the first shell. The first heat exchanger uses the heat from the refrigeration mechanism to process the above air into hot air, and sends the hot air into the transmission mechanism through the first fan, and then transmits it to the refrigeration mechanism.

[0008] Furthermore, the refrigeration mechanism includes a second shell, a second fan and a second heat exchanger; the second shell is connected to the transmission mechanism, and the controller is arranged on the second shell; the second fan is arranged in the second shell and connected to the controller; the second heat exchanger is arranged in the second shell and connected to the heat delivery mechanism.

[0009] In the above implementation process, the refrigeration mechanism includes a second shell, a second fan and a second heat exchanger. The second shell is connected to the transmission mechanism. The controller is arranged on the second shell. The second fan is arranged in the second shell and connected to the controller. The second heat exchanger is arranged in the second shell and connected to the heat delivery mechanism. The transmission mechanism transports the hot air from the heat delivery mechanism to the second shell. The second heat exchanger absorbs the heat of the hot air and processes it into cold air, and sends the heat to the heat delivery mechanism. The second fan sends the cold air to the transmission mechanism, so that the transmission mechanism transports the cold air to the wind turbine for cooling.

[0010] Furthermore, the second shell is provided with an air inlet and an air outlet; the air inlet is connected to the transmission mechanism, and the transmission mechanism transports the hot air to the second shell through the air inlet; the air outlet is connected to the transmission mechanism, and the cold air enters the transmission mechanism through the air outlet.

[0011] In the above implementation process, an air inlet and an air outlet are arranged on the second shell, and both the air inlet and the air outlet are connected to the transmission mechanism. The transmission mechanism delivers the hot air from the heat supply mechanism to the second shell through the air inlet, and the second fan delivers the cold air to the transmission mechanism through the air outlet, thereby cooling the wind turbine.

[0012] Furthermore, the transmission mechanism includes a first transmission part and a second transmission part; the first transmission part is connected between the heat delivery mechanism and the air inlet; one end of the second transmission part is connected to the air outlet, and the other end is used to contact the wind turbine, for transporting the cold air to the wind turbine.

[0013] In the above implementation process, the transmission mechanism includes a first transmission part and a second transmission part. The first transmission part is connected between the heat delivery mechanism and the air inlet, one end of the second transmission part is connected to the air outlet, and the other end is in contact with the wind turbine. The first transmission part can transport the hot air from the heat delivery mechanism to the refrigeration mechanism, and the second transmission part can transport the cold air from the refrigeration mechanism to the wind turbine, thereby achieving the effect of cooling and heat dissipation.

[0014] Furthermore, the second transmission part includes a plurality of air supply ports, and the plurality of air supply ports are respectively in contact with a plurality of elements of the wind turbine.

[0015] In the above implementation process, the second transmission part includes a plurality of air supply ports, and the plurality of air supply ports are respectively in contact with a plurality of components of the wind turbine generator, so that heat dissipation operations can be performed on the components that need to be cooled and dissipated in a targeted manner.

[0016] Furthermore, the multiple temperature and humidity sensors are respectively arranged at the multiple air outlets.

[0017] In the above implementation process, multiple temperature and humidity sensors are respectively arranged at multiple air outlets, so that the temperature and humidity at each air outlet can be detected, so as to obtain the temperature and humidity conditions at each component in a timely manner, and then determine whether the cooling system needs to work.

[0018] Furthermore, the refrigeration mechanism also includes a compressor and a throttling device; the compressor is arranged in the second shell and connected between the second heat exchanger and the heat delivery mechanism, and is used to transfer the heat from the second heat exchanger to the heat delivery mechanism; the throttling device is arranged in the second shell and connected between the second heat exchanger and the heat delivery mechanism, and is used to enable the second heat exchanger to fully absorb the heat of the hot air.

[0019] In the above implementation process, the refrigeration mechanism also includes a compressor and a throttling device. The compressor is arranged in the second shell and connected between the second heat exchanger and the heat delivery mechanism. The throttling device is arranged in the second shell and connected between the second heat exchanger and the heat delivery mechanism. The compressor can transfer the heat from the second heat exchanger to the heat delivery mechanism, and then the heat delivery mechanism can process the hot air. The throttling device can ensure that the second heat exchanger fully absorbs the heat of the hot air, thereby obtaining lower temperature cold air, and then more effectively cools down and dissipates heat for the wind turbine.

[0020] Furthermore, the heat dissipation system for a wind turbine also includes a driving mechanism; the driving mechanism is arranged on the refrigeration mechanism and is respectively connected to the heat delivery mechanism, the multiple temperature and humidity sensors and the controller.

[0021] In the above implementation process, the heat dissipation system for the wind turbine also includes a driving mechanism, which is arranged on the refrigeration mechanism and is respectively connected to the heat delivery mechanism, multiple temperature and humidity sensors and a controller, so as to provide the electrical energy required for the operation of other components of the heat dissipation system.

[0022] Furthermore, the heat dissipation system for a wind turbine also includes a display mechanism; the display mechanism is arranged on the refrigeration mechanism and connected to the multiple temperature and humidity sensors, and is used to display the temperature and humidity signals sent by the temperature and humidity sensors.

[0023] In the above implementation process, the heat dissipation system for the wind turbine also includes a display mechanism, which is arranged on the refrigeration mechanism and connected to multiple temperature and humidity sensors, so as to display the temperature and humidity detected by the multiple temperature and humidity sensors.

[0024] Other features and advantages of the present disclosure will be set forth in the following description, or some features and advantages may be inferred or unambiguously determined from the description, or may be learned by implementing the above-mentioned technology of the present disclosure.

[0025] In order to make the above-mentioned objects, features and advantages of the present application more obvious and easy to understand, preferred embodiments are specifically cited below and described in detail with reference to the attached drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments of the present application will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0027] Figure 1 A schematic diagram of a heat dissipation system for a wind turbine provided in an embodiment of the present application;

[0028] Figure 2 A cross-sectional view of a heat delivery mechanism provided in an embodiment of the present application;

[0029] Figure 3 A cross-sectional view of a refrigeration mechanism provided in an embodiment of the present application;

[0030] Figure 4 A partial structural schematic diagram of a refrigeration mechanism provided in an embodiment of the present application;

[0031] Figure 5 A schematic diagram of a display mechanism provided in an embodiment of the present application.

[0032] Icons: 10 - cooling system for wind turbine; 100 - heat supply mechanism; 110 - first housing; 120 - first fan; 130 - first heat exchanger; 200 - cooling mechanism; 210 - second housing; 211 - air inlet; 212 - air outlet; 220 - second fan; 230 - second heat exchanger; 240 - compressor; 250 - throttling device; 300 - transmission mechanism; 310 - first transmission part; 320 - second transmission part; 321 - air supply port; 400 - temperature and humidity sensor; 500 - controller; 600 - driving mechanism; 700 - display mechanism. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all of the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the application claimed for protection, but merely represents the selected embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without making creative work belong to the scope of protection of the present application.

[0034] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0035] In addition, some of the above terms may be used to express other meanings in addition to indicating orientation or positional relationship. For example, the term "on" may also be used to express a certain dependency or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in this application can be understood according to specific circumstances.

[0036] In addition, the terms "installed", "set", "provided with", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or a point connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0037] In addition, the terms "first", "second", etc. are mainly used to distinguish different devices, elements or components (the specific types and structures may be the same or different), and are not used to indicate or imply the relative importance and quantity of the indicated devices, elements or components. Unless otherwise specified, "plurality" means two or more.

[0038] Please see Figure 1 , Figure 1A schematic diagram of a heat dissipation system for a wind turbine provided in an embodiment of the present application is provided. The heat dissipation system for a wind turbine can be applied to the field of wind power generation heat dissipation, and is used to determine whether the heat dissipation system is working according to the temperature and humidity conditions monitored in real time, thereby avoiding damage to the heat dissipation system due to long-term operation. The heat dissipation system 10 for a wind turbine includes a heat delivery mechanism 100, a refrigeration mechanism 200, a transmission mechanism 300, a plurality of temperature and humidity sensors 400, and a controller 500.

[0039] Among them, the heat delivery mechanism 100 is arranged in the cabin of the wind turbine and is respectively connected to the refrigeration mechanism 200 and the transmission mechanism 300, for inhaling air in the cabin, and processing the air into hot air through the heat from the refrigeration mechanism 200 and sending it to the transmission mechanism 300; the refrigeration mechanism 200 is arranged in the cabin and connected to the transmission mechanism 300, for absorbing the heat of the hot air from the transmission mechanism 300 to process the hot air into cold air; the transmission mechanism 300 is used to contact the wind turbine and transport the cold air to the wind turbine; a plurality of temperature and humidity sensors 400 are arranged at one end of the transmission mechanism 300 that contacts the wind turbine and is connected to the controller 500, for sending the detected temperature and humidity signals to the controller 500; the controller 500 is arranged on the refrigeration mechanism 200 and is connected to the heat delivery mechanism 100, for controlling the working states of the heat delivery mechanism 100 and the refrigeration mechanism 200 according to the temperature and humidity signals.

[0040] Exemplarily, a plurality of temperature and humidity sensors 400 detect the temperature and humidity conditions at the wind turbine, and send the temperature and humidity signals to the controller 500. When the wind turbine needs to be cooled and radiated, the controller controls the heat delivery mechanism 100 and the refrigeration mechanism 200 to work. The heat delivery mechanism 100 inhales the air in the cabin of the wind turbine, and uses the heat from the refrigeration mechanism 200 to process the air into hot air, and sends it to the transmission mechanism 300. The transmission mechanism 300 delivers the hot air to the refrigeration mechanism 200. The refrigeration mechanism 200 absorbs the heat of the hot air to convert it into cold air, and sends the cold air into the transmission mechanism 300, and delivers the heat to the heat delivery mechanism 100. The transmission mechanism 300 delivers the cold air to the wind turbine to achieve the purpose of cooling and radiating. The controller 500 can determine whether the cooling system needs to work based on the real-time temperature and humidity data at the wind turbine, thereby avoiding damage to the cooling system due to long-term operation.

[0041] In one embodiment, the heat dissipation system 10 for a wind turbine can be used to cool and dissipate heat from an offshore wind turbine.

[0042] Please see Figure 2 , Figure 2 A cross-sectional view of a heat delivery mechanism provided in an embodiment of the present application.

[0043] Exemplarily, the heat delivery mechanism 100 includes a first shell 110, a first fan 120 and a first heat exchanger 130; the first shell 110 is connected to the transmission mechanism 300; the first fan 120 is arranged on the first shell 110 and is connected to the controller 500; the first heat exchanger 130 is arranged in the first shell 110 and is connected to the refrigeration mechanism 200.

[0044] Exemplarily, the first fan 120 draws air in the cabin into the first shell 110, the first heat exchanger 130 receives heat from the refrigeration mechanism 200, and uses the heat to process the air into hot air, and then the first fan 120 sends the hot air to the transmission mechanism 300, so that the transmission mechanism transports the hot air to the refrigeration mechanism 200 for refrigeration processing, and the controller 500 can control the operation of the first fan 120 according to real-time temperature and humidity data.

[0045] In one implementation, the first fan 120 may be an axial flow fan.

[0046] Please see Figure 3 , Figure 3 A cross-sectional view of a refrigeration mechanism provided in an embodiment of the present application.

[0047] Exemplarily, the refrigeration mechanism 200 includes a second shell 210, a second fan 220 and a second heat exchanger 230; the second shell 210 is connected to the transmission mechanism 300, and the controller 500 is arranged on the second shell 210; the second fan 220 is arranged in the second shell 210 and connected to the controller 500; the second heat exchanger 230 is arranged in the second shell 210 and connected to the heat delivery mechanism 100.

[0048] Exemplarily, the transmission mechanism 300 transports the hot air from the heat delivery mechanism 100 to the second shell 210, the second heat exchanger 230 can absorb the heat in the hot air to process it into cold air, the second heat exchanger 230 transports the absorbed heat to the heat delivery mechanism 100, the second fan 220 delivers the cold air to the transmission mechanism 300, and the transmission mechanism 300 delivers the cold air to the wind turbine for cooling and heat dissipation. The controller 500 can control the operation of the second fan 220 according to the temperature and humidity data, so as to avoid damage to the heat dissipation system due to long-term operation.

[0049] In one implementation, the second fan 220 may be a centrifugal fan.

[0050] Exemplarily, an air inlet 211 and an air outlet 212 are provided on the second shell 210; the air inlet 211 is connected to the transmission mechanism 300, and the transmission mechanism 300 transports hot air to the second shell 210 through the air inlet 211; the air outlet 212 is connected to the transmission mechanism 300, and cold air enters the transmission mechanism 300 through the air outlet 212.

[0051] Exemplarily, the transmission mechanism 300 delivers hot air to the second shell 210 through the air inlet 211 for cooling treatment, and the second fan 220 can deliver the cold air processed by the second heat exchanger 230 into the transmission mechanism 300 through the air outlet, so that the transmission mechanism 300 delivers the cold air to the wind turbine.

[0052] In one embodiment, a temperature and humidity sensor 400 is respectively provided in the air inlet 211 and the air outlet 212. The temperature and humidity sensor 400 can detect the air temperature and humidity at the air inlet 211 and the air outlet 212, and thus reflect the working condition of the heat dissipation system.

[0053] Exemplarily, the transmission mechanism 300 includes a first transmission part 310 and a second transmission part 320; the first transmission part 310 is connected between the heat delivery mechanism 100 and the air inlet 211; one end of the second transmission part 320 is connected to the air outlet 212, and the other end is used to contact the wind turbine for delivering cold air to the wind turbine.

[0054] Exemplarily, the first transmission part 310 is arranged between the heat delivery mechanism 100 and the air inlet 211, so that the hot air processed by the heat delivery mechanism 100 can be delivered to the second shell 210 through the air inlet 211, and the second transmission part 320 can deliver the cold air processed by the second heat exchanger 230 to the wind turbine, thereby achieving the effect of cooling and dissipating the heat of the wind turbine.

[0055] In one embodiment, the second transmission part 320 may use a composite material air duct, which can play a role in heat preservation and condensation prevention, so that the temperature of the cold air can be maintained when the cold air is transmitted, thereby improving the heat dissipation efficiency.

[0056] Exemplarily, the second transmission part 320 includes a plurality of air outlets 321 , and the plurality of air outlets 321 are respectively in contact with a plurality of elements of the wind turbine.

[0057] Exemplarily, the second transmission part 320 may be provided with a plurality of air outlets 321 , so that the components that need to be cooled and radiated can be subjected to individual heat dissipation treatment in a targeted manner.

[0058] Exemplarily, the plurality of temperature and humidity sensors 400 are respectively disposed at the plurality of air outlets 321 .

[0059] Exemplarily, the temperature and humidity sensors 400 respectively detect the temperature and humidity conditions at the locations where they are installed, so that the temperature and humidity data at each component can be more accurately understood.

[0060] In one embodiment, a valve may be provided in each of the plurality of air outlets 321 , and the valves are respectively connected to the controller 500 . The controller 500 may determine whether the component at each air outlet 321 needs to be cooled and heat-dissipated based on the temperature and humidity data at the air outlet 321 , and then control the valve to be opened or closed.

[0061] Please see Figure 4 , Figure 4 A partial structural schematic diagram of a refrigeration mechanism provided in an embodiment of the present application.

[0062] In one embodiment, the refrigeration mechanism 200 also includes a compressor 240 and a throttling device 250; the compressor 240 is disposed in the second shell 210 and connected between the second heat exchanger 230 and the heat delivery mechanism 100, and is used to transfer heat from the second heat exchanger 230 to the heat delivery mechanism 100; the throttling device 250 is disposed in the second shell 210 and connected between the second heat exchanger 230 and the heat delivery mechanism 100, and is used to enable the second heat exchanger 230 to fully absorb the heat of the hot air.

[0063] Exemplarily, the compressor 240 can provide power for the transmission of heat so that the heat can be delivered to the heat delivery mechanism 100 for processing, and the throttling element 250 can ensure that the second heat exchanger 230 can absorb heat from the hot air more efficiently to convert it into cold air, thereby improving the refrigeration efficiency.

[0064] In one embodiment, the heat dissipation system 10 for a wind turbine further includes a driving mechanism 600; the driving mechanism 600 is disposed on the refrigeration mechanism 200 and is respectively connected to the heat delivery mechanism 100, a plurality of temperature and humidity sensors 400 and a controller 500.

[0065] Exemplarily, the driving mechanism 600 can provide electrical energy for the operation of various components of the heat dissipation system to ensure that they can achieve the effect of cooling and heat dissipation.

[0066] Please see Figure 5 , Figure 5 A schematic diagram of a display mechanism provided in an embodiment of the present application.

[0067] In one embodiment, the heat dissipation system 10 for a wind turbine further includes a display mechanism 700 ; the display mechanism 700 is disposed on the refrigeration mechanism 200 and connected to a plurality of temperature and humidity sensors 400 , and is used to display temperature and humidity signals sent by the temperature and humidity sensors 400 .

[0068] Exemplarily, the display mechanism 700 receives and displays the temperature and humidity data for the staff to view at any time, so as to understand the working condition of the cooling system and the cooling condition of each component of the wind turbine.

[0069] Specifically, a plurality of temperature and humidity sensors 400 detect the temperature and humidity at a plurality of air outlets 321 of the second transmission part 320 and send the temperature and humidity data to the controller 500. When the controller 500 determines that it is necessary to cool down and dissipate heat for each component of the wind turbine, the controller 500 can control the operation of the first fan 120 and the second fan 220. The first fan 120 draws the air in the wind turbine compartment into the first shell 110. The first heat exchanger 130 uses the heat from the second heat exchanger 230 to process the air into hot air. Then, the first fan 120 sends the hot air into the first transmission part 310. The first transmission part 310 sends the hot air into the second shell 210 through the air inlet 211 of the second shell 210. The second heat exchanger 230 then sends the hot air into the second shell 210. The heat exchanger 230 absorbs the heat of the hot air and transfers the heat to the first heat exchanger 130, and the hot air becomes cold air. The second fan 220 sends the cold air into the second transmission part 320 through the air outlet 212 of the second shell 210, and then the second transmission part 320 transfers the cold air to the various components of the wind turbine through multiple air outlets 321 for cooling and heat dissipation. The temperature and humidity sensors 400 at the multiple air outlets 321 monitor the temperature and humidity data in real time for the controller 500 to determine whether cooling and heat dissipation treatment is still required. When it is no longer needed, the controller 500 controls the heat delivery mechanism 100 and the refrigeration mechanism 200 to stop working, thereby preventing the heat dissipation system from being in operation for a long time in a high temperature and high humidity environment, thereby causing damage to the components.

[0070] In all the embodiments of the present application, "big" and "small" are relative, "more" and "less" are relative, and "up" and "down" are relative. The expressions of such relative terms are not elaborated in the embodiments of the present application.

[0071] It should be understood that the "in this embodiment", "in the embodiment of the present application" or "as an optional implementation" mentioned throughout the specification means that the specific features, structures or characteristics related to the embodiment are included in at least one embodiment of the present application. Therefore, "in this embodiment", "in the embodiment of the present application" or "as an optional implementation" appearing throughout the specification does not necessarily refer to the same embodiment. In addition, these specific features, structures or characteristics can be combined in one or more embodiments in any suitable manner. Those skilled in the art should also be aware that the embodiments described in the specification are all optional embodiments, and the actions and modules involved are not necessarily required for the present application.

[0072] In the various embodiments of the present application, it should be understood that the size of the serial numbers of the above-mentioned processes does not necessarily mean the order of execution. The execution order of each process should be determined by its function and internal logic, and should not constitute any limitation on the implementation process of the embodiments of the present application.

[0073] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art who is familiar with the present technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. A heat dissipation system for a wind turbine, characterized in that: It includes a heat delivery mechanism, a cooling mechanism, a transmission mechanism, a plurality of temperature and humidity sensors and a controller; The heat delivery mechanism is arranged in the cabin of the wind turbine and is connected to the refrigeration mechanism and the transmission mechanism respectively, and is used to inhale the air in the cabin, and process the air into hot air through the heat from the refrigeration mechanism and deliver it to the transmission mechanism; The refrigeration mechanism is disposed in the cabin and connected to the transmission mechanism, and is used to absorb heat from the hot air of the transmission mechanism to process the hot air into cold air; The transmission mechanism is used to contact the wind turbine generator and to transport the cold air to the wind turbine generator; The plurality of temperature and humidity sensors are arranged at one end of the transmission mechanism in contact with the wind turbine generator and connected to the controller, and are used to send detected temperature and humidity signals to the controller; The controller is arranged on the refrigeration mechanism and connected to the heat delivery mechanism, and is used to control the working states of the heat delivery mechanism and the refrigeration mechanism according to the temperature and humidity signals; The heat delivery mechanism includes a first housing, a first fan and a first heat exchanger; the first housing is connected to the transmission mechanism; the first fan is arranged on the first housing and connected to the controller; the first heat exchanger is arranged in the first housing and connected to the refrigeration mechanism; The refrigeration mechanism includes a second housing, a second fan and a second heat exchanger; the second housing is connected to the transmission mechanism, and the controller is arranged on the second housing; the second fan is arranged in the second housing and connected to the controller; the second heat exchanger is arranged in the second housing and connected to the heat delivery mechanism; The second housing is provided with an air inlet and an air outlet; the air inlet is connected to the transmission mechanism, and the transmission mechanism transports the hot air to the second housing through the air inlet; the air outlet is connected to the transmission mechanism, and the cold air enters the transmission mechanism through the air outlet; The transmission mechanism includes a first transmission part and a second transmission part; the first transmission part is connected between the heat delivery mechanism and the air inlet; one end of the second transmission part is connected to the air outlet, and the other end is used to contact the wind turbine generator, and is used to transport the cold air to the wind turbine generator; The second transmission part includes a plurality of air outlets, and the plurality of air outlets are respectively in contact with a plurality of elements of the wind turbine; the plurality of temperature and humidity sensors are respectively arranged at the plurality of air outlets; The refrigeration mechanism further includes a compressor and a throttling element; the compressor is disposed in the second housing and connected between the second heat exchanger and the heat transfer mechanism, and is used to transfer heat from the second heat exchanger to the heat transfer mechanism; The throttling element is arranged in the second shell and connected between the second heat exchanger and the heat supply mechanism, so as to enable the second heat exchanger to fully absorb the heat of the hot air.

2. The heat dissipation system for a wind turbine according to claim 1, characterized in that: Also includes a drive mechanism; The driving mechanism is arranged on the refrigeration mechanism and is respectively connected with the heat delivery mechanism, the plurality of temperature and humidity sensors and the controller.

3. The heat dissipation system for a wind turbine according to claim 1, characterized in that: Also includes display mechanism; The display mechanism is arranged on the refrigeration mechanism and connected to the multiple temperature and humidity sensors, and is used to display the temperature and humidity signals sent by the temperature and humidity sensors.

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