Semi-direct-drive gearbox for wind power

Abstract

The utility model provides a semi-direct-drive gearbox for wind power, which relates to the field of semi-direct-drive gearboxes, and comprises a gearbox body, the bottom of the gearbox body is fixedly connected with a base, the top of the gearbox body is provided with a solar panel, and the periphery of the bottom of the solar panel is fixedly connected with fixing plates. The bottom of the fixing plate is fixedly connected with the top of the gearbox body. According to the gearbox, solar energy can be converted into electric energy through the solar panel, the electric energy is stored in the storage battery, the refrigeration box is arranged to provide a refrigeration space so that the gearbox body can be cooled in a heat transfer mode, and the temperature control mechanism is arranged to control the temperature of the gearbox body. According to the cooling device for the gearbox, the gearbox body can be cooled in a mode of refrigerating rainwater, the loss mode of the rainwater is only evaporation, the demanded quantity of the rainwater is small, meanwhile, a certain amount of water is stored, and therefore it can be guaranteed that cooling work can be conducted stably and continuously, and it is guaranteed that the gearbox body can operate normally.

Description

Technical Field

[0001] The utility model belongs to the field of semi-direct drive gearboxes, and specifically relates to a semi-direct drive gearbox for wind power generation. Background Art

[0002] The semi-direct drive gearbox is a key component used in wind turbines. It plays an important role in converting the rotational speed of the wind turbine into a speed suitable for the generator. As an important part of modern wind power generation systems, the semi-direct drive gearbox aims to optimize the energy conversion process and improve the reliability and efficiency of the system to meet the growing demand for clean energy.

[0003] According to the application number: 202321941042.6, a semi-direct drive wind turbine gearbox cooling system is disclosed, including a nacelle. It is characterized in that a first cooling device is provided above the nacelle. The first cooling device includes an air outlet main pipe, the input end of the air outlet main pipe extends into the interior of the nacelle, and the output end of the air outlet main pipe is connected to a number of cooling ventilation pipes; a first axial flow fan is provided inside the air outlet main pipe, the bottom of the cooling ventilation pipe is connected to a number of first heat conduction pipes, the first heat conduction pipes are located inside a heat exchange box body, the heat exchange box body is installed on a support frame, and the support frame is fixed on the top of the nacelle. A semi-direct drive wind turbine gearbox cooling system in this comparative case is installed outside the nacelle and has a good cooling effect.

[0004] The prior art has well solved the problems that the original generator gearbox radiator is installed inside the nacelle, making the space inside the nacelle crowded and the heat dissipation ability weak, the heat generated by the motor of the heat dissipation device itself cannot be dissipated in the nacelle, and the heat conduction pipes are easily damaged. However, since the rainwater in the water collection tank is not always abundant, and the demand for the utilization of rainwater is relatively large, when the low-temperature rainwater is used up, it will affect the overall cooling effect of the equipment.

[0005] In summary, the utility model provides a semi-direct drive gearbox for wind power generation to solve the above problems. Summary of the Utility Model

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0007] A semi-direct drive gearbox for wind power generation includes a gearbox body. A base is fixedly connected to the bottom of the gearbox body. A solar panel is arranged on the top of the gearbox body. Fixing plates are fixedly connected to the four circumferences of the bottom of the solar panel, and the bottom of the fixing plate is fixedly connected to the top of the gearbox body. A storage battery is arranged in the inner cavity of the base. Refrigeration boxes are fixedly connected to both sides of the bottom of the gearbox body, the bottom of the refrigeration box is fixedly connected to the top of the base, and a temperature control mechanism is arranged in the inner cavity of the refrigeration box.

[0008] The temperature control mechanism includes a semiconductor refrigeration chip, which is arranged at the bottom of the inner cavity of the support plate. Temperature sensors are arranged on one side of each of the two refrigeration boxes close to each other. A water storage tank is fixedly connected to the front end of the top of the gearbox body. Water supply pipes are fixedly connected to both sides of the water storage tank, and one end of each water supply pipe away from the water storage tank is fixedly communicated with one side of the refrigeration box.

[0009] Furthermore, in the present utility model, a collection hopper is fixedly connected to the front surface of the solar panel, and a water delivery pipe is fixedly communicated with the right side of the collection hopper. One end of the water delivery pipe away from the collection hopper is fixedly communicated with the right side of the water storage tank.

[0010] Furthermore, in the present utility model, a water level sensor is arranged on one side of the inner cavity of the support plate, an electric control valve is arranged on the surface of the water supply pipe, and a PLC controller is arranged at the bottom of the gearbox body.

[0011] Furthermore, in the present utility model, the output end of the solar panel is electrically connected to the input end of the storage battery, and a controller is arranged between the solar panel and the storage battery. The output ends of the temperature sensor and the water level sensor are both electrically connected to the input end of the PLC controller. The input ends of the storage battery and the electric control valve are both electrically connected to the output end of the PLC controller. The output end of the storage battery is electrically connected to the input end of the semiconductor refrigeration chip.

[0012] Furthermore, in the present utility model, ventilation openings are formed on both sides of the front surface of the base and on the front and back surfaces of the refrigeration box, and dust-proof nets are fixedly connected to the inner cavities of the ventilation openings.

[0013] Furthermore, in the present utility model, a support plate is fixedly connected to the surface of the water level sensor, and one side of the support plate is fixedly connected to the inner wall of the refrigeration box.

[0014] Beneficial effects: The present utility model has the following beneficial effects:

[0015] By arranging the base in the present utility model, it is used to support and fix the components on the top, improving the stability of each component during use. By arranging the solar panel, it can convert solar energy into electrical energy and store the electrical energy in the storage battery through the controller. By arranging the refrigeration box, it is used to provide a refrigeration space so as to cool the gearbox body in a heat transfer manner. By arranging the temperature control mechanism, it can cool the gearbox body by refrigerating rainwater. The loss mode of rainwater is only evaporation, and the demand for rainwater is less, and there is a certain amount of water reserve at the same time. Therefore, it can ensure that the cooling work can be carried out stably and continuously, ensuring that the gearbox body can operate normally. Description of the drawings

[0016] Figure 1 is the schematic diagram of the front view plane structure of the present utility model;

[0017] Figure 2 is the schematic diagram of the front view structure of the solar panel of the present utility model;

[0018] Figure 3 is the schematic diagram of the sectional structure of the refrigeration box of the present utility model;

[0019] Figure 4 is the system flowchart of the present utility model.

[0020] In the figure:

[0021] 1. Gearbox body; 2. Base; 3. Solar panel; 4. Fixed plate; 5. Battery; 6. Refrigeration box; 7. Temperature control mechanism; 701. Thermoelectric cooler; 702. Temperature sensor; 703. Water storage tank; 704. Water supply pipe; 705. Collection hopper; 706. Water delivery pipe; 707. Water level sensor; 708. Electric control valve; 709. PLC controller; 8. Vent; 9. Support piece. Specific embodiments

[0022] In order to better understand the technical content of the present utility model, specific embodiments are hereby given and described in conjunction with the accompanying drawings as follows. In the present disclosure, aspects of the present utility model are described with reference to the drawings, and many illustrative embodiments are shown in the drawings. The embodiments of the present disclosure do not have to define all aspects of the present utility model. It should be understood that the various concepts and embodiments introduced above, as well as those concepts and embodiments described in more detail below, can be implemented in any of many ways, because the concepts and embodiments disclosed in the present utility model are not limited to any implementation manner. In addition, some aspects of the present utility model can be used alone, or in any suitable combination with other aspects of the present utility model.

[0023] Embodiment 1

[0024] As Figures 1 - 4 shown, this is the first embodiment of the present utility model. This embodiment provides a semi-direct drive gearbox for wind power, which includes a gearbox body 1. A base 2 is fixedly connected to the bottom of the gearbox body 1. A solar panel 3 is arranged on the top of the gearbox body 1. Fixing plates 4 are fixedly connected to the four peripheries of the bottom of the solar panel 3. The bottom of the fixing plate 4 is fixedly connected to the top of the gearbox body 1. A battery 5 is arranged in the inner cavity of the base 2. Refrigeration boxes 6 are fixedly connected to both sides of the bottom of the gearbox body 1. The bottom of the refrigeration box 6 is fixedly connected to the top of the base 2. A temperature control mechanism 7 is arranged in the inner cavity of the refrigeration box 6;

[0025] The temperature control mechanism 7 includes a semiconductor refrigeration sheet 701. The semiconductor refrigeration sheet 701 is arranged at the bottom of the inner cavity of the support sheet 9. Temperature sensors 702 are arranged on one side of each of the two refrigeration boxes 6 close to each other. At the front end of the top of the gearbox body 1, a water storage tank 703 is fixedly connected. Water supply pipes 704 are fixedly connected to both sides of the water storage tank 703. The end of the water supply pipe 704 away from the water storage tank 703 is fixedly communicated with one side of the refrigeration box 6.

[0026] As Figures 1 - 4 shown, the base 2 is used to support and fix the components on the top, improving the stability of each component during use. The solar panel 3 can convert solar energy into electrical energy and store the electrical energy in the internal battery 5 through the controller. The refrigeration box 6 is used to provide a refrigeration space so as to cool the gearbox body 1 in the way of heat transfer. The temperature control mechanism 7 can cool the gearbox body 1 by refrigerating rainwater. The loss of rainwater is only evaporation, and the demand for rainwater is less. At the same time, there is a certain amount of water reserve. Therefore, it can ensure that the cooling work can be carried out stably and continuously, ensuring that the gearbox body 1 can operate normally.

[0027] Embodiment 2

[0028] Referring to Figures 1 - 4 , this is the second embodiment of the present utility model, and this embodiment is based on the previous embodiment.

[0029] In this embodiment, a collection hopper 705 is fixedly connected to the front of the solar panel 3. A water delivery pipe 706 is fixedly communicated with the right side of the collection hopper 705. The end of the water delivery pipe 706 away from the collection hopper 705 is fixedly communicated with the right side of the water storage tank 703.

[0030] A water level sensor 707 is arranged on one side of the inner cavity of the support sheet 9. An electric control valve 708 is arranged on the surface of the water supply pipe 704. A PLC controller 709 is arranged at the bottom of the gearbox body 1.

[0031] The output end of the solar panel 3 is electrically connected to the input end of the battery 5, and a controller is arranged between the solar panel 3 and the battery 5. The output ends of the temperature sensor 702 and the water level sensor 707 are both electrically connected to the input end of the PLC controller 709. The input ends of the battery 5 and the electric control valve 708 are both electrically connected to the output end of the PLC controller 709. The output end of the battery 5 is electrically connected to the input end of the semiconductor refrigeration sheet 701. The semiconductor refrigeration sheet 701 operates using direct current, so there is no need to set an inverter between the output end of the battery 5 and the semiconductor refrigeration sheet 701.

[0032] As Figures 1 - 4As shown in the figure, the temperature sensor 702 is used to detect the water temperature inside the refrigeration box 6, and cooperate with the PLC controller 709 according to the detection result to control the operation and shutdown of the thermoelectric cooler 701, so that the thermoelectric cooler 701 can cool the water in time, so as to control the water temperature inside the refrigeration box 6 within a certain range. During this process, the water will slowly evaporate, and at the same time, the water level sensor 707 will detect the water level inside the refrigeration box 6. When it is detected that the water level inside the refrigeration box 6 is lower than the preset value of the PLC controller 709, the PLC controller 709 will start the electromagnetic valve 708, so that the water inside the water storage tank 703 is transported to the inside of the refrigeration box 6 through the water supply pipe 704 until the water level reaches the highest preset value of the PLC controller 709, so as to add water for cooling in time. The collection hopper 705 is used to collect rainwater, and the collected rainwater is transported to the inside of the water storage tank 703 through the water delivery pipe 706, and the water storage tank 703 stores the rainwater.

[0033] Embodiment 3

[0034] Referring to Figure 3 , this is the third embodiment of the present invention, and this embodiment is based on the first two embodiments.

[0035] In this embodiment, ventilation openings 8 are provided on both sides of the front surface of the base 2 and the front and back surfaces of the refrigeration box 6, and a dust-proof net is fixedly connected to the inner cavity of the ventilation openings 8.

[0036] A support piece 9 is fixedly connected to the surface of the water level sensor 707, and one side of the support piece 9 is fixedly connected to the inner wall of the refrigeration box 6.

[0037] As Figure 3 shown, the ventilation openings 8 are used for ventilation and heat dissipation inside the base 2 and the refrigeration box 6, and the support piece 9 is used to support the water level sensor 707.

[0038] In use, the collection hopper 705 is used to collect rainwater. The collected rainwater is transported to the interior of the water storage tank 703 through the water delivery pipe 706, and the water storage tank 703 stores the rainwater. The temperature sensor 702 detects the water temperature inside the refrigeration box 6. When it detects that the water temperature inside the refrigeration box 6 is lower than the preset value of the PLC controller 709, the semiconductor refrigeration sheet 701 is started through the PLC controller 709, so that the semiconductor refrigeration sheet 701 can cool the water in time, in order to control the water temperature inside the refrigeration box 6 within a certain range. The cold water can cool the gearbox body 1 by means of heat transfer. During this process, the water will slowly evaporate. At the same time, the water level sensor 707 detects the water level inside the refrigeration box 6. When it detects that the water level inside the refrigeration box 6 is lower than the preset value of the PLC controller 709, the PLC controller 709 starts the electric control valve 708, so that the water inside the water storage tank 703 is transported to the interior of the refrigeration box 6 through the water adding pipe 704 until the water level reaches the highest preset value of the PLC controller 709, thereby adding the water for cooling in time.

[0039] The standard parts used in this application document can all be purchased from the market, and can also be customized according to the records of the specification and the drawings. The specific connection methods of each part all adopt conventional means such as bolts, rivets, welding, etc. that are mature in the prior art. The machines, parts and equipment all adopt conventional models in the prior art. The control method is automatically controlled by a controller. The control circuit of the controller can be realized by simple programming by those skilled in the art, which belongs to the common knowledge in this field. And this application document is mainly used to protect the mechanical device, so the control method and the circuit connection will not be explained in detail in this application document.

[0040] Although the present utility model has been disclosed above with a preferred embodiment, it is not intended to limit the present utility model. Those with ordinary knowledge in the technical field to which the present utility model belongs can make various changes and modifications without departing from the spirit and scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to what is defined by the claims.

Claims

1. A semi-direct drive gearbox for wind power, comprising a gearbox body (1), characterized in that: The bottom of the gearbox body (1) is fixedly connected to a base (2). A solar panel (3) is provided on the top of the gearbox body (1). Fixing plates (4) are fixedly connected to the four circumferences of the bottom of the solar panel (3). The bottom of the fixing plate (4) is fixedly connected to the top of the gearbox body (1). A storage battery (5) is arranged in the inner cavity of the base (2). On both sides of the bottom of the gearbox body (1), a refrigeration box (6) is fixedly connected. The bottom of the refrigeration box (6) is fixedly connected to the top of the base (2). A temperature control mechanism (7) is arranged in the inner cavity of the refrigeration box (6); The temperature control mechanism (7) includes a thermoelectric cooler (701). The thermoelectric cooler (701) is arranged at the bottom of the inner cavity of a support plate (9). Temperature sensors (702) are arranged on one side of each of the two refrigeration boxes (6) close to each other. A water storage tank (703) is fixedly connected to the front end of the top of the gearbox body (1). Water supply pipes (704) are fixedly connected to both sides of the water storage tank (703). The end of the water supply pipe (704) far from the water storage tank (703) is fixedly communicated with one side of the refrigeration box (6).

2. The semi-direct drive gearbox for wind power according to claim 1, wherein: A collection hopper (705) is fixedly connected to the front of the solar panel (3). A water delivery pipe (706) is fixedly communicated with the right side of the collection hopper (705). The end of the water delivery pipe (706) far from the collection hopper (705) is fixedly communicated with the right side of the water storage tank (703).

3. The semi-direct drive gearbox for wind power according to claim 2, characterized in that: A water level sensor (707) is arranged on one side of the inner cavity of the support plate (9). An electric control valve (708) is arranged on the surface of the water supply pipe (704). A PLC controller (709) is arranged at the bottom of the gearbox body (1).

4. The semi-direct drive gearbox for wind power according to claim 3, characterized in that: The output end of the solar panel (3) is electrically connected to the input end of the storage battery (5), and a controller is arranged between the solar panel (3) and the storage battery (5). The output ends of the temperature sensor (702) and the water level sensor (707) are electrically connected to the input end of the PLC controller (709). The input ends of the storage battery (5) and the electric control valve (708) are electrically connected to the output end of the PLC controller (709). The output end of the storage battery (5) is electrically connected to the input end of the thermoelectric cooler (701).

5. The semi-direct drive gearbox for wind power according to claim 1, wherein: Ventilation openings (8) are formed in both sides of the front of the base (2) and the front and back of the refrigeration box (6). A dust-proof net is fixedly connected to the inner cavity of the ventilation opening (8).

6. The semi-direct drive gearbox for wind power according to claim 3, characterized in that: A support plate (9) is fixedly connected to the surface of the water level sensor (707). One side of the support plate (9) is fixedly connected to the inner wall of the refrigeration box (6).

Images