Cabin assembly and wind generating set

Abstract

The cabin assembly comprises a main cabin and an externally-hung cabin, the externally-hung cabin comprises a first cabin and a second cabin which are relatively independent, the first cabin is used for containing a transformer, the second cabin is communicated with the main cabin, and a plurality of first air inlets are formed in the second cabin. The transformer is independently placed in the first cabin, so that interference with other equipment in the main engine cabin is avoided, the equipment is easier and more convenient to install and maintain, dependence on the external environment is reduced, and the fault rate and the maintenance cost of the equipment are reduced. External air is introduced into the main engine room through the multiple first air inlets so as to meet the requirement for heat dissipation of the equipment, damage to the equipment caused by particulate matter such as sand and dust can be effectively reduced, air is introduced into the main engine room through the externally-hung cabin, the equipment in the main engine room can obtain sufficient air inlet amount so as to meet the requirement for air cooling heat dissipation, and the service life of the equipment is prolonged. The working efficiency and stability of the equipment are improved, the temperature of the equipment can be reduced, and the service life of the equipment can be prolonged.

Description

Technical Field

[0001] The utility model relates to the field of wind power generation, in particular to a cabin component and a wind power generator set. Background Art

[0002] As the main market of my country's onshore wind turbine generator sets shifts to the large-scale base market in the three northern regions and the cost of wind power generation per kilowatt-hour continues to decline, the current mainstream domestic manufacturers have adopted the design concept of placing the main transformer on top and cooling the main components with air. For a 10MW wind turbine generator set, the transformer in the cabin can be placed in an independent cabin with independent air inlet and outlet ducts designed according to the mandatory fire protection requirements. In addition, the cooling air intake needs to be filtered to prevent the large amount of sand and dust in the desert environment from harming the operation of the equipment in the cabin. In order to meet the heat dissipation requirements inside the cabin, the existing technology changes the gearbox with the largest heat dissipation requirements to a water-cooled design, and arranges the water-cooled radiator outside the main cabin. This method will increase the cost and the workload of the subsequent water cooling system maintenance and inspection. If an external cabin is designed on the side of the main cabin to place the transformer, the 35kV transformer needs to be arranged in the cabin with an isolated space to ensure protection safety, and the air intake of the transformer cabin cannot be introduced into the main cabin.

[0003] When air cooling is adopted, the air for cooling the equipment in the main cabin still needs to enter from the vents at the bottom of the main cabin. Since the arrangement of air inlets at the bottom of the main cabin cover will affect the strength of the bottom of the main cabin cover and the arrangement of air inlet filter cotton will increase the demand for maintenance space, it is actually difficult to find enough suitable space at the bottom of the main cabin cover to arrange the air inlets. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the defect of poor cooling effect of the main engine room in the prior art, and to provide a cabin assembly and a wind turbine generator set.

[0005] The utility model solves the above technical problems through the following technical solutions:

[0006] A cabin assembly comprises a main cabin and an external cabin, wherein the external cabin comprises a relatively independent first cabin and a second cabin, wherein the first cabin is used to accommodate a transformer, the second cabin is connected to the main cabin, and the second cabin is provided with a plurality of first air inlets.

[0007] In this solution, the transformer is placed independently in the first compartment to avoid interference with other equipment in the main compartment, making the installation and maintenance of the equipment easier, reducing dependence on the external environment, and reducing the failure rate and maintenance cost of the equipment. The second compartment is connected to the main compartment, and external air is introduced into the main compartment through multiple first air inlets to meet the heat dissipation needs of the equipment. On the one hand, it can effectively reduce the damage caused by particulate matter such as sand and dust to the equipment. On the other hand, by setting up an external compartment to introduce air into the main compartment, the equipment in the main compartment can obtain sufficient air intake to meet the needs of air cooling and heat dissipation, which helps to improve the working efficiency and stability of the equipment, and can reduce the temperature of the equipment and extend the service life of the equipment.

[0008] Preferably, a plurality of air inlets are arranged at intervals at the bottom of the second compartment.

[0009] In this solution, since multiple air inlets are arranged at intervals at the bottom of the second cabin, uniform air intake distribution can be achieved. Through the gravity sedimentation of sand and dust and the influence of bottom friction on the sand and dust on the bottom, the entry of sand and dust and other particles into the first cabin and the main cabin can be effectively reduced, thereby reducing the impact on the equipment and improving the working stability and reliability of the equipment in a dusty environment.

[0010] Preferably, a first air supply device is provided in the second cabin, and the air supply device is used to supply air to the main cabin.

[0011] In this solution, the first air supply device can deliver external air into the main cabin, provide sufficient air volume, achieve effective heat dissipation in the main cabin, and improve the working efficiency and stability of the equipment. By adding the first air supply device, the main cabin can be in a slightly positive pressure state, thereby enhancing the sand prevention performance and environmental adaptability of the desert environment.

[0012] Preferably, a support frame is also provided in the external cabin, the support frame includes a first support unit located in the first cabin and a second support unit located in the second cabin, the first support unit is used to support the transformer, and the second support unit is used to support the first air supply equipment; and / or, the first support unit is connected and fixed to the main cabin, and the side wall of the first cabin is provided with an opening for the support frame to pass through, so that the second support unit can enter the second cabin.

[0013] In this solution, the support frame is provided so that the equipment is stably supported during operation, avoiding displacement or vibration of the equipment due to insufficient support. The first support unit is connected and fixed to the main cabin, which can simplify the installation process of the entire equipment. The second support unit can pass through the opening provided on the side wall of the first cabin and enter the second cabin, making full use of the space of the external cabin, making the layout of the support frame more reasonable, thereby improving the reliability and stability of the entire system.

[0014] Preferably, one or more external cabins are provided, the external cabins are provided on at least one side of the main cabin, and the external cabins are located at the front or rear of the main cabin.

[0015] In this solution, the number of external cabins can be flexibly adjusted according to actual usage needs. The external cabins are located on one side of the main cabin, which is conducive to optimizing the space utilization of the external cabins and the main cabin, and is also convenient for the subsequent maintenance and overhaul process. The external cabins are located at the front or rear of the main cabin, and the external cabins are located on one side of the main cabin, which can reduce the impact on the overall structure of the main cabin. This can reduce the load of the equipment on the main cabin structure and improve the stability and safety of the main cabin.

[0016] Preferably, the second cabin includes a second longitudinal cabin and a second transverse cabin, the second longitudinal cabin is located on one side of the first cabin, the second transverse cabin extends to the bottom of the first cabin, and the first air inlet is arranged at the bottom of the second transverse cabin.

[0017] In this solution, the first air inlet is arranged at the bottom of the second transverse compartment, that is, the first air inlet is located below the first compartment, which is conducive to optimizing the air circulation path and expanding the area of ​​the bottom of the second compartment, so that more first air inlets can be arranged, and the gas can enter the second transverse compartment from the bottom, and then enter the main cabin through the second longitudinal compartment, thereby achieving uniform air circulation. The first air inlet is arranged at the bottom of the second transverse compartment, which can effectively prevent sand and dust particles from entering the main cabin. Sand and dust particles will settle downward due to gravity, so the air inlet arranged at the bottom can reduce the possibility of sand and dust particles entering the main cabin.

[0018] Preferably, the first cabin is provided with a second air inlet and an air outlet, the second air inlet is arranged on a side wall facing away from the second cabin and located at the lower part of the side wall of the first cabin, and the air outlet is arranged on the upper part of a side wall of the first cabin to connect the first cabin with the outside world.

[0019] In this solution, by setting up a second air inlet and an air outlet, the air circulation effect inside the first cabin can be enhanced. After the air enters the main cabin through the second air inlet, it is discharged from the main cabin through the air outlet to maintain the circulation of air and avoid heat retention inside the first cabin, thereby optimizing the temperature control effect and keeping the equipment within a suitable operating temperature range. The second air inlet is set at the lower part of the side wall of the first cabin. The second air inlet is located at a lower position, and sand and dust particles will settle downward due to gravity, reducing the possibility of sand and dust entering the first cabin. The exhaust gas discharged through the air outlet can maintain the pressure balance inside and outside the main cabin and prevent equipment operation problems caused by pressure differences.

[0020] Preferably, the second cabin further comprises a filter element, and the filter element is arranged in the first air inlet to filter the incoming air.

[0021] In this solution, the filter element is arranged in the first air inlet, which can effectively filter the air entering the second compartment and the main compartment, and remove the particulate matter and pollutants in the air. This helps to improve the air quality inside the external compartment and the main compartment, protect the equipment from pollutants, prevent equipment damage, extend the service life of the equipment, and reduce maintenance and repair costs.

[0022] Preferably, the first cabin includes a second air supply device, and the second air supply device is arranged at the air outlet.

[0023] In this solution, the second air supply device is arranged at the air outlet, which can enhance the air circulation effect. The air supply device can effectively discharge the air in the first cabin to the outside.

[0024] A wind turbine generator set comprises the nacelle assembly as described above.

[0025] In this solution, the main cabin of the wind turbine generator set is tightly packed. By setting up an external cabin, larger air supply equipment can be arranged, and air can be sent into the main cabin by active air supply, avoiding the entry of sand and dust due to the negative pressure state of the main cabin, thereby affecting the safety of equipment in the cabin and reducing maintenance costs. The air cooling design of the entire system can be optimized by using multiple first air inlets at the bottom of the external cabin.

[0026] The positive and progressive effects of the utility model are:

[0027] The transformer is placed independently in the first compartment to avoid interference with other equipment in the main compartment, making the installation and maintenance of the equipment easier, reducing dependence on the external environment, and reducing the failure rate and maintenance cost of the equipment. The second compartment is connected to the main compartment, and external air is introduced into the main compartment through multiple first air inlets to meet the heat dissipation needs of the equipment. On the one hand, it can effectively reduce the damage caused by particles such as sand and dust to the equipment. On the other hand, by setting up an external compartment to introduce air into the main compartment, the equipment in the main compartment can obtain sufficient air intake to meet the needs of air cooling and heat dissipation, which helps to improve the working efficiency and stability of the equipment, and can reduce the temperature of the equipment and extend the service life of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 This is a structural schematic diagram of a cabin assembly in one embodiment of the utility model;

[0029] Figure 2 for Figure 1 A top view of

[0030] Figure 3 for Figure 1 A schematic diagram of the structure from another angle;

[0031] Figure 4This is a schematic diagram of the structure of the external cabin and the main cabin in Example 1 of the utility model;

[0032] Figure 5 This is another structural schematic diagram of the external cabin and the main engine room in Embodiment 1 of the utility model;

[0033] Figure 6 This is a schematic diagram of the structure of the external cabin and the main cabin in Example 2 of the utility model;

[0034] Figure 7 This is another structural schematic diagram of the external cabin and the main cabin in Example 2 of the utility model.

[0035] Description of Reference Numerals

[0036] 1 External compartment

[0037] 10 First Cabin

[0038] 101 Second air inlet

[0039] 102 air outlet

[0040] 103 Second air supply equipment

[0041] 104 Rainproof and water-blocking part

[0042] 20 Second Cabin

[0043] 201 First air inlet

[0044] 202 Second longitudinal cabin

[0045] 203 Second transverse cabin

[0046] 30 support frame

[0047] 301 first support unit

[0048] 302 second support unit

[0049] 2 Main engine room

[0050] 3 wheels DETAILED DESCRIPTION

[0051] A preferred embodiment is given below, and the present invention is described more clearly and completely in conjunction with the accompanying drawings.

[0052] Example 1

[0053] like Figures 1 to 5As shown, the first embodiment of the present invention discloses a wind turbine generator set, which includes a cabin assembly, wherein the cabin assembly includes a main cabin 2 and an external cabin 1, the external cabin 1 includes a relatively independent first cabin 10 and a second cabin 20, the first cabin 10 is used to accommodate a transformer, the second cabin 20 is connected to the main cabin 2, and the second cabin 20 is provided with a plurality of first air inlets 201, and the number of the first air inlets 201 needs to be calculated according to the area corresponding to the cabin cooling air intake.

[0054] In this embodiment, the transformer is independently placed in the first compartment 10 to avoid interference with other equipment in the main cabin 2, making the installation and maintenance of the equipment easier, reducing dependence on the external environment, and reducing the failure rate and maintenance cost of the equipment. The second compartment 20 is connected to the main cabin 2, and external air is introduced into the main cabin 2 through multiple first air inlets 201 to meet the heat dissipation needs of the equipment. On the one hand, it can effectively reduce the damage caused to the equipment by particulate matter such as sand and dust. On the other hand, by setting the external compartment 1 to introduce air into the main cabin 2, the equipment in the main cabin 2 can obtain sufficient air intake to meet the needs of air cooling and heat dissipation, which helps to improve the working efficiency and stability of the equipment, and can reduce the temperature of the equipment and extend the service life of the equipment.

[0055] like Figure 4 and Figure 5 As shown, in this embodiment, the number of external cabins 1 is affected by the number of cabin transformers. The number of transformers is one, and the number of external cabins 1 is also one. The first cabin 10 is used to set the transformer. The external cabin 1 is located at the front or rear of the main cabin 2 for single-sided suspension, thereby reducing the impact of the external cabin 1 on the main cabin 2 and facilitating the delivery of air to the main cabin 2.

[0056] like Figure 1-2 As shown, multiple first air inlets are spaced apart at the bottom of the second cabin 20, which can achieve uniform air intake distribution. Through the gravity sedimentation of dust and the influence of bottom friction on the dust on the bottom, the entry of dust and other particles into the first cabin 10 and the main cabin 2 can be effectively reduced, thereby reducing the impact on the equipment and improving the working stability and reliability of the equipment in a dusty environment.

[0057] In this embodiment, a first air supply device (not shown in the figure) is provided in the second cabin 20. The air supply device is used to supply air to the main cabin 2, and delivers external air into the main cabin 2, providing sufficient air volume, realizing effective heat dissipation in the main cabin 2, and improving the working efficiency and stability of the equipment. By adding the first air supply device, the main cabin 2 is in a slightly positive pressure state, thereby enhancing the sand prevention performance and environmental adaptability in the desert environment.

[0058] like Figure 1-3As shown, a support frame 30 is also provided in the external cabin 1, and the support frame 30 includes a first support unit 301 located in the first cabin 10 and a second support unit 302 located in the second cabin 20, the first support unit 301 is used to support the transformer, and the second support unit 302 is used to support the first air supply device; in this embodiment, the support frame 30 includes two main beams and multiple secondary beams, the two main beams are connected to the main cabin bolts to support the entire equipment in the external cabin 1, and the multiple secondary beams are used to support the equipment in the external cabin 1, such as the transformer and the first air supply device. Specifically, a plurality of fixed interfaces (top connection points) are provided on the top of the secondary beam, which are used to connect with the equipment in the external cabin 1, that is, the transformer is connected to the fixed interface through the anchor bolts. The second support unit 302 in the second cabin 20 (that is, the part of the secondary beam located in the second cabin 20) plays the role of fixing the air supply device (such as an active air supply fan). The side wall of the first cabin 10 is provided with an opening for the support frame 30 to pass through, so that the second support unit 302 enters the second cabin 20. The support frame 30 is provided so that the device is stably supported during operation, avoiding displacement or vibration of the device due to insufficient support. The support frame 30 is at a certain distance from the bottom wall, which can also minimize the entry of sand and soil into the device.

[0059] like Figure 1-2 As shown, the second cabin 20 includes a second longitudinal cabin 202 and a second transverse cabin 203, the second longitudinal cabin 202 is located at one side of the first cabin 10, the second transverse cabin 203 extends to the bottom of the first cabin 10, and the first air inlet 201 is arranged at the bottom of the second transverse cabin 203. In this embodiment, the external cabin is arranged as a glass fiber cabin cover structure, the first cabin 10 is a cabin of a cube structure, and the second cabin 20 is a chamber of an L-shaped structure.

[0060] The first air inlet 201 is arranged at the bottom of the second transverse compartment 203, that is, the first air inlet 201 is located below the first compartment 10, which is conducive to optimizing the air circulation path and expanding the area of ​​the bottom of the second compartment 20, so that more first air inlets 201 can be arranged, and the gas can enter the second transverse compartment 203 from the bottom, and then enter the main compartment 2 through the second longitudinal compartment 202, thereby achieving uniform air circulation. The first air inlet 201 is arranged at the bottom of the second transverse compartment 203, which can effectively prevent sand and dust particles from entering the main compartment 2. Sand and dust particles will settle downward due to gravity, so the air inlet arranged at the bottom can reduce the possibility of sand and dust particles entering the main compartment 2.

[0061] like Figure 1As shown, the first cabin 10 is provided with a second air inlet 101 and an air outlet 102 to enhance the air circulation effect inside the first cabin 10. The air enters the main cabin 2 through the second air inlet 101 and is discharged from the main cabin 2 from the air outlet 102, maintaining the circulation of air and avoiding heat retention inside the first cabin 10, thereby optimizing the temperature control effect. The second air inlet 101 is arranged on a side wall facing away from the second cabin 20 and located at the lower part of the side wall of the first cabin 10, and the air outlet 102 is arranged on the upper part of the side wall of the first cabin 10 to connect the first cabin 10 with the outside world. On the one hand, after the transformer in the first compartment 10 heats up, the heat dissipation gas naturally moves upward, and the heat dissipation fan of the transformer blows the bottom air upward, so the design of the second air inlet 101 at the bottom and the air outlet at the top conforms to the flow direction of the transformer heat dissipation airflow. On the other hand, dust particles will settle downward due to gravity, reducing the possibility of dust entering the first compartment 10. The exhaust gas discharged through the air outlet 102 can maintain the pressure balance inside and outside the main cabin 2, and prevent equipment operation problems caused by pressure difference.

[0062] A rectangular air inlet window is opened at the bottom of the side wall in the incoming wind direction, and a rainproof and water-blocking part 104 is connected to the outside. A filter cotton device with an area approximately larger than the window is laid on the inside of the window. An air outlet window is opened at the rear of the top of the outer wall of the first cabin 10, and a rainproof and water-blocking structure is connected to the outside. The first cabin 10 includes a second air supply device 103 (not shown in the figure), which is arranged at the air outlet 102. The second air supply device 103 is an active air outlet fan, which can effectively discharge the air in the first cabin 10 to the outside. An active air outlet fan is installed on the inside of the window.

[0063] The second cabin 20 also includes a filter element (not shown in the figure), which is configured as filter cotton and is arranged in the first air inlet 201 to filter the incoming air and remove particulate matter and pollutants in the air. This helps to improve the air quality inside the external cabin 1 and the main cabin 2, protect the equipment from pollutants, prevent equipment damage, extend the service life of the equipment, and reduce maintenance and repair costs.

[0064] The main cabin 2 in the wind turbine generator set has a compact layout. By setting up an external cabin 1, a larger-sized air supply equipment can be arranged, and air is sent into the main cabin 2 by active air supply, which avoids the entry of sand and dust into the main cabin 2 due to the negative pressure state, thereby affecting the safety of the equipment in the cabin and reducing maintenance costs. The multiple first air inlets 201 at the bottom of the external cabin 1 can optimize the air cooling and heat dissipation design of the entire system.

[0065] Example 2

[0066] The other structures of this embodiment are the same as those of embodiment 1. In this embodiment, the external cabin 1 can be provided in multiple configurations, such as Figure 6-7As shown, if the electrical design of the whole machine adopts two cabin transformers, the two external cabins 1 are set as two and are respectively on the left and right sides of the cabin, the hub 3 is set at one end of the main cabin 2, and the two external cabins 1 are set on at least one side of the main cabin 2, and the external cabins 1 are respectively on the left and right sides of the cabin, and are located at the front or rear of the main cabin 2 to maintain balance, making the overall structure more stable, which can reduce the load of the equipment on the structure of the main cabin 2 and improve the stability and safety of the main cabin 2.

[0067] Although the specific implementations of the utility model are described above, those skilled in the art should understand that this is only an example, and the protection scope of the utility model is defined by the attached claims. Those skilled in the art can make various changes or modifications to these implementations without departing from the principle and essence of the utility model, but these changes and modifications fall within the protection scope of the utility model.

Claims

1. A cabin assembly, comprising a main cabin and an external cabin, characterized in that: The external cabin includes a relatively independent first cabin and a second cabin, the first cabin is used to accommodate a transformer, the second cabin is connected to the main cabin, and the second cabin is provided with a plurality of first air inlets.

2. The nacelle assembly according to claim 1, characterized in that A plurality of the first air inlets are spaced apart at the bottom of the second compartment.

3. The nacelle assembly according to claim 1, characterized in that The second cabin is provided with a first air supply device, and the air supply device is used to supply air to the main cabin.

4. The nacelle assembly according to claim 3, characterized in that A support frame is also provided in the external cabin, and the support frame includes a first support unit located in the first cabin and a second support unit located in the second cabin, the first support unit is used to support the transformer, and the second support unit is used to support the first air supply device; And / or, the first support unit is connected and fixed to the main cabin, and the side wall of the first cabin is provided with an opening for the support frame to pass through, so that the second support unit can enter the second cabin.

5. The nacelle assembly according to claim 1, characterized in that The number of the external cabins is one or more, and the external cabins are arranged on at least one side of the main cabin, and the external cabins are located at the front or rear of the main cabin.

6. The nacelle assembly according to claim 1, characterized in that The second cabin includes a second longitudinal cabin and a second transverse cabin, the second longitudinal cabin is located at one side of the first cabin, the second transverse cabin extends to the bottom of the first cabin, and the first air inlet is arranged at the bottom of the second transverse cabin.

7. The nacelle assembly according to claim 1, characterized in that The first cabin is provided with a second air inlet and an air outlet. The second air inlet is arranged on a side wall facing away from the second cabin and located at the lower part of the side wall of the first cabin. The air outlet is arranged on the upper part of a side wall of the first cabin to connect the first cabin with the outside world.

8. The nacelle assembly according to claim 3, characterized in that The second cabin also includes a filter element, and the filter element is arranged in the first air inlet to filter the incoming air.

9. The nacelle assembly according to claim 7, characterized in that The first cabin includes a second air supply device, and the second air supply device is arranged at the air outlet.

10. A wind turbine generator set, characterized in that: It comprises a nacelle assembly according to any one of claims 1-9.

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