Ship shaft generator capable of intelligently starting and stopping fan

Abstract

The utility model belongs to the technical field of generator sets, and particularly relates to a ship shaft generator capable of intelligently starting and stopping a fan, which comprises a generator body internally provided with a stator and a rotor, the bottom end of the generator body is fixedly connected with a bracket, and the problem that the existing generator does not automatically select different cooling mode structures according to the temperature is solved. When the rotating speed of a rotor in the generator body is low due to low rotating speed of a ship spindle, the fan has small air volume and poor heat dissipation effect, the temperature sensor detects that the stator temperature is higher than 180 DEG C, the relay transmits a signal to the working power supply to start the fan, and the generator body enters a forced air cooling mode, so that the internal temperature is reduced; when the temperature sensor detects that the stator temperature is lower than 120 DEG C, the relay receives a signal and automatically cuts off the working power supply to stop the fan, and the generator body enters a natural ventilation type cooling mode, so that the service life of the fan is prolonged, the energy consumption is saved, and the operation cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of generator sets, in particular to a ship shaft generator with intelligent start-stop fan. Background Art

[0002] A ship's shaft generator is a device that uses the rotational energy of a ship's main engine's shaft system to generate electricity. It directly draws mechanical energy from the ship's propulsion shaft and converts it into electrical energy for the ship's use. When the main engine is running, the main engine's shaft system rotates at a certain speed. The shaft generator is connected to the main engine shaft system via a transmission device (such as a gearbox). The rotation of the main engine shaft system drives the shaft generator's rotor. Based on the principle of electromagnetic induction, an induced electromotive force is generated in the generator's stator winding, generating alternating current.

[0003] The prior art authorization announcement number is: CN220902435U, and its name is a mounting tool for quickly adjusting the axis of a ship's shaft-driven generator, comprising a fixing frame, a mounting base arranged around the fixing frame, a balance beam symmetrically arranged on the left and right sides of the fixing frame, and a shaft generator shaft adjustment tool arranged on the balance beam. The fixing frame is fixedly mounted with a shaft generator stator box, the mounting base is fixedly mounted on the side of the shaft generator stator box, the lower end of the balance beam is fixedly connected to the upper surface of the mounting base, and the shaft generator shaft adjustment tool is fixedly mounted on the balance beam. The beneficial effects of this utility model are that it has a compact structure and adopts a purely mechanical principle, making shaft alignment more convenient, safe and reliable, reducing the investment in special equipment, low cost, high efficiency, and easy adjustment. The shaft system installation work originally performed in the engine room is carried out in an outdoor field or workshop with better construction conditions, thereby shortening the ship construction period.

[0004] The above-mentioned device has a compact structure and adopts a purely mechanical principle, which makes shaft alignment more convenient, safe and reliable, reduces the investment in special equipment, has low cost, high efficiency and easy adjustment; conventional ship shaft generators use built-in fans that rotate coaxially with the shaft. When the ship's main shaft speed is low, resulting in a low generator rotor speed, the built-in fan has a small air volume and poor heat dissipation effect; some generators are equipped with fans outside for forced ventilation to ensure the heat dissipation effect. The disadvantage is that the fan and generator are independent of each other and need to be manually controlled. The existing generators do not have a structure that automatically selects different cooling modes according to the temperature. It is necessary to design a ship shaft generator with an intelligent start and stop fan to improve it. Utility Model Content

[0005] The technical problem solved by the present invention is that conventional ship shaft-driven generators use built-in fans that rotate coaxially with the rotating shaft. When the ship's main shaft speed is low, resulting in a low generator rotor speed, the built-in fan has a small air volume and a poor heat dissipation effect. Some generators are externally installed with fans for forced ventilation to ensure the heat dissipation effect. However, the disadvantage is that the fans and generators are independent of each other and need to be manually controlled. Existing generators do not have a structure that automatically selects different cooling modes according to the temperature. A ship shaft-driven generator with an intelligent start-stop fan is provided.

[0006] In order to solve the above technical problems, the utility model provides a ship shaft-driven generator with an intelligent start-stop wind turbine, comprising a generator body with a stator and a rotor inside, a bracket fixedly connected to the bottom end of the generator body, a main shaft extending into the generator body rotatably connected to the side end of the generator body, a shell fixedly connected to the end of the generator body away from the main shaft, an air inlet is provided at the end of the shell away from the generator body, a fan is installed in the air inlet, a working power supply for controlling the fan is fixedly connected in the shell, a fan is installed on the side of the stator close to the main shaft, a temperature sensor is fixedly connected to the rotor, the top wall of the generator body is fixedly connected to a box, a temperature control module is fixedly connected to the side end of the box, a relay is embedded in the end of the box away from the temperature control module, and the temperature sensor is electrically connected to the relay, and the relay is electrically connected to the working power supply.

[0007] Preferably, a dustproof component is installed at the air inlet, and the dustproof component includes a filter fixedly connected to the inner wall of the air inlet and located outside the fan, and a ring is threadedly connected to the surface of the outer shell.

[0008] Preferably, the side wall of the collar is fixedly connected to an electric annular guide rail, a scraping brush is connected to the electric annular guide rail via a driving block, and the scraping brush is in contact with the filter screen.

[0009] Preferably, a slot is provided on the top wall of the housing, a baffle with a handle on the top is inserted into the slot, and the outer wall of the baffle fits with the inner wall of the air inlet.

[0010] Preferably, the baffle is inserted into the air inlet and is located between the fan and the filter.

[0011] Preferably, a replacement component is installed on the scraper brush, which includes a connecting block connected to the driving block, a card slot is provided on the top of the connecting block, and a card block corresponding to the card slot is fixedly connected to the bottom end of the scraper brush, and the card block is engaged with the card slot.

[0012] Preferably, corresponding screw holes are provided at both ends of the card slot and the card block, and bolts are threadedly connected to the inner threads of the screw holes.

[0013] Compared with the related art, the present invention has the following beneficial effects:

[0014] 1. The utility model is provided with a fan and a blower. When the main shaft speed of the ship is low, resulting in a low rotor speed in the generator body, the built-in fan has a small air volume and a poor heat dissipation effect. At this time, the temperature sensor detects that the stator temperature is higher than 180°C, and the relay receives a signal to automatically connect the working power and start the blower, and the generator body enters a forced air cooling mode; when the internal temperature of the generator body is lowered by forced air cooling, and as the rotor speed in the generator body increases, the heat dissipation effect becomes better, the temperature sensor detects that the stator temperature is lower than 120°C, and the relay receives a signal to automatically disconnect the working power to stop the blower, and the generator body enters a natural ventilation cooling mode. There is no need to keep the blower powered on, which extends the service life of the blower, saves energy consumption, and reduces operating costs. The above-mentioned method effectively achieves the effect of automatically identifying the temperature changes in the generator body and switching between different heat dissipation modes.

[0015] 2. The utility model sets up dust-proof components and replacement components, and installs a filter on the outside of the fan to prevent dust from being brought into the generator body and causing damage to parts. The filter will be clogged if it is not cleaned for a long time. At this time, the ring can be fixed to the outer wall of the shell with threads, and then the baffle can be inserted into the slot by holding the handle to block the fan and the filter. The electric annular guide rail is then turned on to drive the scraper brush to rotate and clean the dust on the filter. The baffle can prevent dust from entering the generator body during the cleaning process. When the scraper brush is damaged during long-term use, the block and the slot can be disassembled by unscrewing the bolt, so that the scraper brush can be replaced.

[0016] In order to make the above and other purposes, features and advantages of the present invention more obvious and easy to understand, preferred embodiments are given below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0018] Figure 1 This is an axonometric diagram of the generator of the present utility model;

[0019] Figure 2 This is a schematic front cross-sectional view of the generator of the present invention;

[0020] Figure 3 This is a schematic side cross-sectional view of the generator of the present invention;

[0021] Figure 4This is a schematic diagram of the structure of the dust-proof component at the tail end of the generator of the present utility model;

[0022] Figure 5 This is a schematic diagram of the replacement component structure of the present utility model.

[0023] Numbers in the figure:

[0024] 1. Generator body; 2. Fan; 3. Stator; 4. Rotor; 5. Temperature sensor; 6. Box; 7. Temperature control module; 8. Relay; 9. Working power supply; 10. Fan; 11. Main shaft; 12. Bracket; 13. Housing; 14. Dustproof component; 141. Filter; 142. Ring; 143. Electric ring guide; 144. Brush; 145. Slot; 146. Baffle; 147. Handle; 15. Replacement component; 151. Connecting block; 152. Block; 153. Slot; 154. Screw hole; 155. Bolt. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] See also Figure 1-4 A ship shaft-driven generator with an intelligent start-stop wind turbine includes a generator body 1 with a stator 3 and a rotor 4 inside. The bottom end of the generator body 1 is fixedly connected to a bracket 12, and the side end of the generator body 1 is rotatably connected to a main shaft 11 extending into the generator body 1. The end of the generator body 1 away from the main shaft 11 is fixedly connected to a casing 13, and an air inlet is opened at the end of the casing 13 away from the generator body 1. A fan 10 is installed in the air inlet, and a working power supply 9 for controlling the fan 10 is fixedly connected in the casing 13. A fan 2 is installed on the side of the stator 3 close to the main shaft 11, a temperature sensor 5 is fixedly connected to the rotor 4, a box 6 is fixedly connected to the top wall of the generator body 1, a temperature control module 7 is fixedly connected to the side end of the box 6, a relay 8 is embedded in the end of the box 6 away from the temperature control module 7, and the temperature sensor 5 is electrically connected to the relay 8, and the relay 8 is electrically connected to the working power supply 9.

[0027] By setting the fan 2 and the blower 10, when the speed of the ship's main shaft 11 is low, resulting in a low speed of the rotor 4 in the generator body 1, the built-in fan 2 has a small air volume and a poor heat dissipation effect. At this time, the temperature sensor 5 detects that the temperature of the stator 3 is higher than 180°C, and the relay 8 receives a signal to automatically connect the working power 9 to turn on the blower 10, and the generator body 1 enters a forced air cooling mode; when the internal temperature of the generator body 1 is lowered by forced air cooling, and as the speed of the rotor 4 in the generator body 1 increases, the heat dissipation effect becomes better, the temperature sensor 5 detects that the stator 3 temperature is lower than 120°C, and the relay 8 receives a signal to automatically disconnect the working power 9 to stop the blower 10 from running, and the generator body 1 enters a natural ventilation cooling mode. There is no need to keep the blower 10 powered on, which extends the service life of the blower 10, saves energy consumption, and reduces operating costs. The above-mentioned method effectively achieves the effect of automatically identifying the temperature changes in the generator body 1 and switching between different heat dissipation modes.

[0028] See also Figure 4-5 , a dustproof component 14 is installed at the air inlet, and the dustproof component 14 includes a filter 141 fixedly connected to the inner wall of the air inlet and located outside the fan 10, a collar 142 is threadedly connected to the surface of the shell 13, and an electric annular guide rail 143 is fixedly connected to the side wall of the collar 142. A scraper 144 is connected to the electric annular guide rail 143 through a driving block, and the scraper 144 is in contact with the filter 141, and a slot 145 is opened on the top wall of the shell 13. A baffle 146 with a handle 147 on the top is inserted into the slot 145, and the outer wall of the baffle 146 is in contact with the outer wall of the baffle 146. The inner wall of the air inlet is fitted, and the baffle 146 is inserted into the air inlet and located between the fan 10 and the filter 141. A replacement component 15 is installed on the scraper brush 144, and the replacement component 15 includes a connecting block 151 connected to the driving block. A card slot 153 is provided at the top of the connecting block 151, and a card block 152 corresponding to the card slot 153 is fixedly connected to the bottom end of the scraper brush 144, and the card block 152 is engaged with the card slot 153. Corresponding screw holes 154 are provided at both ends of the card slot 153 and the card block 152, and a bolt 155 is threadedly connected to the screw hole 154.

[0029] By setting a sliding component 14 and a lifting component 15, a filter 141 is installed on the outside of the fan 10 to prevent dust from being brought into the generator body 1 and causing damage to parts. If the filter 141 is not cleaned for a long time, it will be blocked. At this time, the ring 142 can be threadedly fixed to the outer wall of the shell 13, and then the handle 147 is held to insert the baffle 146 into the slot 145 to block the fan 10 and the filter 141. Then the electric annular guide rail 143 is turned on to drive the scraper 144 to rotate to clean the dust on the filter 141. The baffle 146 can prevent dust from entering the generator body 1 during the cleaning process. When the scraper 144 is damaged during long-term use, the block 152 and the slot 153 can be disassembled by tightening the bolt 155, so that the scraper 144 can be replaced.

[0030] The specific implementation process of the present invention is as follows: First, when the speed of the ship's main shaft 11 is low, resulting in a low speed of the rotor 4 in the generator body 1, the built-in fan 2 has a small air volume and a poor heat dissipation effect. At this time, the temperature sensor 5 detects that the temperature of the stator 3 is higher than 180°C, and the relay 8 receives a signal to automatically connect the working power 9 to turn on the fan 10, and the generator body 1 enters a forced air cooling cooling mode; when the internal temperature of the generator body 1 is lowered by forced air cooling, and as the speed of the rotor 4 in the generator body 1 increases, the heat dissipation effect becomes better, the temperature sensor 5 detects that the stator 3 temperature is lower than 120°C, and the relay 8 receives a signal to automatically disconnect the working power 9 to stop the fan 10 from running, and the generator body 1 enters a natural ventilation cooling mode. There is no need to keep the fan 10 powered on, which prolongs the fan's life. 10 service life, save energy consumption, and reduce operating costs. Secondly, installing a filter 141 on the outside of the fan 10 can prevent dust from being brought into the generator body 1 and causing damage to parts, and the filter 141 will be blocked if it is not cleaned for a long time. At this time, the ring 142 can be screwed to the outer wall of the shell 13, and then the handle 147 can be held to insert the baffle 146 into the slot 145 to block the fan 10 and the filter 141. Then, the electric annular guide rail 143 is turned on to drive the scraper 144 to rotate and clean the dust on the filter 141. The baffle 146 can prevent dust from entering the generator body 1 during the cleaning process. When the scraper 144 is damaged during long-term use, the block 152 and the slot 153 can be disassembled and replaced by tightening the bolt 155.

[0031] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A ship shaft generator with intelligent start-stop wind turbine, comprising a generator body (1) with a stator (3) and a rotor (4) inside, characterized in that: The bottom end of the generator body (1) is fixedly connected to a bracket (12); the side end of the generator body (1) is rotatably connected to a main shaft (11) extending into the generator body (1); the end of the generator body (1) away from the main shaft (11) is fixedly connected to a housing (13); the end of the housing (13) away from the generator body (1) is provided with an air inlet; a fan (10) is installed in the air inlet; a working power supply (9) for controlling the fan (10) is fixedly connected to the housing (13) ), a fan (2) is installed on the side of the stator (3) close to the main shaft (11), a temperature sensor (5) is fixedly connected to the rotor (4), a box (6) is fixedly connected to the top wall of the generator body (1), a temperature control module (7) is fixedly connected to the side end of the box (6), a relay (8) is embedded in the end of the box (6) away from the temperature control module (7), and the temperature sensor (5) is electrically connected to the relay (8), and the relay (8) is electrically connected to the working power supply (9).

2. The ship shaft generator with intelligent start-stop wind turbine according to claim 1, characterized in that: A dustproof assembly (14) is installed at the air inlet, and the dustproof assembly (14) includes a filter (141) fixedly connected to the inner wall of the air inlet and located outside the fan (10), and a collar (142) is threadedly connected to the surface of the housing (13).

3. The ship shaft generator with intelligent start-stop wind turbine according to claim 2, characterized in that: The side wall of the collar (142) is fixedly connected to an electric annular guide rail (143), and a scraping brush (144) is connected to the electric annular guide rail (143) via a driving block, and the scraping brush (144) is in contact with the filter screen (141).

4. The ship shaft generator with intelligent start-stop wind turbine according to claim 1, characterized in that: The top wall of the housing (13) is provided with a slot (145), a baffle (146) with a handle (147) at the top is inserted into the slot (145), and the outer wall of the baffle (146) is in contact with the inner wall of the air inlet.

5. The ship shaft generator with intelligent start-stop wind turbine according to claim 4, characterized in that: The baffle (146) is inserted into the air inlet and is located between the fan (10) and the filter (141).

6. The ship shaft generator with intelligent start-stop wind turbine according to claim 3, characterized in that: A replacement assembly (15) is installed on the scraping brush (144), and the replacement assembly (15) includes a connecting block (151) connected to the driving block, a clamping groove (153) is provided at the top of the connecting block (151), and a clamping block (152) corresponding to the clamping groove (153) is fixedly connected to the bottom end of the scraping brush (144), and the clamping block (152) is clamped with the clamping groove (153).

7. The ship shaft generator with intelligent start and stop function for wind turbines according to claim 6, characterized in that: Corresponding screw holes (154) are provided at both ends of the clamping slot (153) and the clamping block (152), and bolts (155) are connected to the inner threads of the screw holes (154).

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