Fire fighting device for offshore wind power cabin

By designing a U-shaped frame and sliding mechanism in the offshore wind turbine nacelle, combined with a high-temperature glass bulb and a breaking device, a dual triggering mechanism is provided, which solves the problems of high cost and low adaptability of offshore wind turbine nacelle fire extinguishing devices, and achieves a highly reliable and safe fire extinguishing effect.

CN223586456UActive Publication Date: 2025-11-25CHINA THREE GORGES RENEWABLES YANGJIANG POWER CO LTD
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Patent Information

Application Number
CN202423071993.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-12
Publication Date
2025-11-25
Estimated Expiration
2034-12-12

AI Technical Summary

Technical Problem

Offshore wind turbine nacelles have a compact internal structure, requiring multiple fire extinguishing devices, which leads to high costs. The existing devices are also limited in form and cannot extinguish fires in a timely manner when manual intervention is needed, resulting in low adaptability and potentially causing significant property damage.

Method used

A fire-fighting device comprising a U-shaped frame and a sliding mechanism was designed, which, combined with a high-temperature glass bulb and a breaking device, provides a dual triggering mechanism to ensure timely activation of fire extinguishing in the event of a fire, and is suitable for both automatic sensing and manual intervention.

Benefits of technology

The dual insurance mechanism improves the system's reliability and adaptability, ensuring timely and effective firefighting in the event of a fire, reducing costs and enhancing safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a fire fighting device for an offshore wind power cabin. The fire fighting device comprises a fan, the fan comprises a motor cabin, a plurality of sliding U-shaped frames are arranged on the two sides of the motor cabin, a sliding mechanism is arranged on the U-shaped frames, a dry powder fire extinguisher is arranged at the bottom of the sliding mechanism, a glass bulb is arranged at the bottom of the dry powder fire extinguisher, and a glass bulb is arranged on one side of the glass bulb. And due to the structural design of the U-shaped frame, the generator is located at the bottom of the U-shaped frame, so that the U-shaped frame and the dry powder extinguisher cannot collide with the position of the generator during movement. The second motor is driven, the U-shaped frame can move relative to the motor cabin, the sliding mechanism is driven, and the dry powder fire extinguisher can move relative to the U-shaped frame, so that a small number of dry powder fire extinguishers can cover the whole motor cabin cavity, and fire extinguishing monitoring can be conducted on the whole motor cabin.
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Description

TECHNICAL FIELD

[0001] The utility model relates to offshore wind power field especially for offshore wind turbine cabin fire extinguishing device. BACKGROUND

[0002] The motor is the core component of the fan operation, and its stable operation is crucial to the normal work of the entire wind turbine. Once a fire occurs, the motor may be damaged, causing the wind turbine to shut down, affecting power supply and production efficiency.

[0003] In order to prevent the motor fire inside the wind turbine cabin, multiple fire extinguishing devices need to be installed, but the internal structure of the offshore wind turbine cabin is compact, and multiple fire extinguishing devices require more cost. In order to cover the entire motor cabin, the number of fire extinguishing devices needs to be increased, and multiple fire extinguishing devices need to be monitored, which will increase the cost of equipment and manual monitoring. At the same time, the existing wind turbine cabin fire extinguishing device is single in form, such as fire extinguishing device failure, emergency manual intervention, the existing wind turbine cabin fire extinguishing device cannot be opened, which may cause the motor fire to be extinguished in time, causing significant property loss and low adaptability. For this purpose, we propose a fire extinguishing device for offshore wind turbine cabin to solve the above problems. SUMMARY

[0004] The utility model provides a fire extinguishing device for offshore wind turbine cabin, solves the problem of compact internal structure of offshore wind turbine cabin, multiple fire extinguishing devices, high cost of fire extinguishing device, single form of wind turbine cabin fire extinguishing device, emergency manual intervention, existing wind turbine cabin fire extinguishing device cannot be opened, causing significant property loss and low adaptability.

[0005] To solve the above technical problems, the technical scheme adopted by the utility model is: a fire extinguishing device for offshore wind turbine cabin, including a fan, the fan includes a motor cabin, multiple sliding U-shaped frames are arranged on both sides of the motor cabin, a sliding mechanism is arranged on the U-shaped frame, a dry powder fire extinguisher is arranged at the bottom of the sliding mechanism, a glass bulb is arranged at the bottom of the dry powder fire extinguisher, and a glass bulb is arranged on one side of the glass bulb.

[0006] In the preferred scheme, a support is arranged on both sides of the motor cabin, a groove is arranged on the support, one end of the U-shaped frame abuts on the groove, a second rack is arranged on one side of the groove, a second motor is arranged on the U-shaped frame, a second gear is arranged on the second motor, and the second gear is engaged with the second rack.

[0007] In the preferred scheme, a horizontal groove is arranged on the U-shaped frame, the sliding mechanism includes a sliding block, the sliding block abuts on the horizontal groove and slides, and a first motor is arranged on the sliding block.

[0008] In the preferred scheme, a first gear is arranged on the first motor, the first gear, a first rack is arranged on one side of the horizontal groove, and the first rack is engaged with the first gear.

[0009] In the preferred solution, the bottom of the dry powder fire extinguisher is provided with a powder outlet, one end of the glass bulb abuts against the powder outlet, and the bottom of the dry powder fire extinguisher is provided with a second support, and the other end of the glass bulb is installed on the second support.

[0010] In the preferred solution, the glass bulb is provided with a breaking device on one side, the breaking device comprises a cylinder shell, the cylinder shell is provided with a powder chamber, the cylinder shell is provided with a sliding slide rod, the bottom of the powder chamber is provided with a sliding firing pin, and one end of the firing pin is aligned with the glass bulb.

[0011] In the preferred solution, the cylinder shell is provided with an air cylinder, the air cylinder is connected with the slide rod, the bottom of the slide rod is provided with an electronic trigger device, the top of the powder chamber is provided with an ignition device, the powder chamber is provided with powder, the bottom of the powder chamber is provided with a plurality of second through holes, and the slide rod is provided with a battery.

[0012] In the preferred solution, the top of the firing pin is provided with a slide column, the slide column is slidingly connected with the cylinder shell, a spring is arranged between the slide column and the bottom of the cylinder shell, the bottom of the cylinder shell is provided with a through hole, and one side of the slide column abuts against the second through hole.

[0013] The beneficial effects of the utility model are that: the structure design of the U-shaped frame is to make the generator located at the bottom of the U-shaped frame, so that the movement of the U-shaped frame and the dry powder fire extinguisher will not collide with the position of the generator.

[0014] The small amount of dry powder fire extinguisher can save cost, and in order to avoid the failure of the small amount of dry powder fire extinguisher, the dry powder fire extinguisher can spray dry powder for extinguishing fire through the high-temperature glass bulb or through the breaking device, so that the overall structure has a double insurance mechanism, the high-temperature glass bulb and the breaking device serve as two independent trigger mechanisms, providing double insurance. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model will be further described below in combination with the drawings and examples.

[0016] Figure 1It is the side view of the overall structure of the utility model;

[0017] Figure 2 It is the shaft side view of the partial structure of the utility model;

[0018] Figure 3 It is the side view of the partial structure of the utility model;

[0019] Figure 4 It is the sectional view of the partial structure of the utility model;

[0020] Figure 5 It is the utility model Figure 4 The enlarged view of A in the middle;

[0021] Figure 6 It is the shaft side view of the partial structure of the utility model;

[0022] Figure 7 It is the sectional view of the breaking device of the utility model;

[0023] In the drawing: fan 1, motor cabin 2, support 201, U-shaped frame 3, transverse groove 301, sliding mechanism 4, sliding block 401, first motor 402, first gear 403, first rack 404, dry powder fire extinguisher 5, powder outlet 501, second support 6, breaking device 7, barrel shell 701, through hole 7011, second through hole 7012, sliding rod 702, electronic trigger device 703, battery 704, powder chamber 705, striker 706, air cylinder 707, spring 708, second gear 8, second motor 9, glass bulb 10. DETAILED DESCRIPTION

[0024] Example 1:

[0025] As Figures 1-7 In the middle, for offshore wind turbine cabin fire extinguishing device, including fan 1, fan 1 includes motor cabin 2, motor cabin 2 both sides are provided with a plurality of sliding U-shaped frame 3, U-shaped frame 3 is equipped with sliding mechanism 4, sliding mechanism 4 bottom is equipped with dry powder fire extinguisher 5, dry powder fire extinguisher 5 bottom is equipped with glass bulb 10, glass bulb 10 one side is equipped with glass bulb 10. By this structure, the motor cabin 2 is equipped with smoke alarm, temperature sensor and camera. The structural design of U-shaped frame 3, so that the generator is located at the bottom of U-shaped frame 3, so that the movement of U-shaped frame 3 and dry powder fire extinguisher 5 will not collide with the position of the generator. Drive second motor 9, U-shaped frame 3 can move relative to motor cabin 2, drive sliding mechanism 4, dry powder fire extinguisher 5 can move relative to U-shaped frame 3, so that a small amount of dry powder fire extinguisher 5 can cover the entire motor cabin 2 cavity, can extinguish the fire monitoring of the entire motor cabin 2.

[0026] The small amount of dry powder fire extinguisher 5 can save cost, and in order to avoid the failure of the small amount of dry powder fire extinguisher 5, the dry powder fire extinguisher 5 can be opened to spray dry powder for fire extinguishing through the high-temperature glass bulb 10 or through the breaking device 7, so that the overall structure has a double insurance mechanism, and the high-temperature glass bulb 10 and the breaking device 7 serve as two independent triggering mechanisms, providing double insurance. Even if one of the systems fails, the other can still work normally, ensuring that the fire extinguishing process can be started in time when a fire occurs. Because there are two different triggering methods, the reliability of the system has been significantly improved. Even in some extreme cases, such as glass bulb failure or mechanical breaking device failure, the other mechanism can still ensure the normal start of the fire extinguisher, ensuring that the generator can be effectively extinguished in time, so that the fire extinguisher is suitable for both automatic sensing fire and emergency situations requiring manual intervention, has strong adaptability and high safety.

[0027] In the preferred scheme, the motor compartment 2 is provided with a support 201 on both sides, the support 201 is provided with a groove, one end of the U-shaped frame 3 abuts on the groove, one side of the groove is provided with a second rack, the U-shaped frame 3 is provided with a second motor 9, the second motor 9 is provided with a second gear 8, and the second gear 8 is engaged with the second rack. With this structure, the second motor 9 is driven to make the second gear 8 catch, so that the U-shaped frame 3 moves relative to the support 201, so that the U-shaped frame 3 moves relative to the motor compartment 2, so that the dry powder fire extinguisher 5 covers more range of the motor compartment 2.

[0028] In the preferred scheme, the U-shaped frame 3 is provided with a horizontal groove 301, the sliding mechanism 4 includes a sliding block 401, the sliding block 401 abuts on the horizontal groove 301 and slides, and the sliding block 401 is provided with a first motor 402. With this structure, the first motor 402 of the sliding mechanism 4 is driven to move the first gear 403, so that the sliding block 401 moves, and the dry powder fire extinguisher 5 covers more range of the motor compartment 2.

[0029] In the preferred scheme, the first motor 402 is provided with a first gear 403, the first gear 403 is provided with a first rack 404 on one side of the horizontal groove 301, and the first rack 404 is engaged with the first gear 403.

[0030] In the preferred scheme, the dry powder fire extinguisher 5 is provided with a powder outlet 501 at the bottom, the glass bulb 10 abuts on one end of the powder outlet 501, the dry powder fire extinguisher 5 is provided with a second support 6 at the bottom, and the other end of the glass bulb 10 is installed on the second support 6. With this structure, the glass bulb 10 is usually filled with a special liquid, usually an organic compound. The liquid will expand and cause the glass bulb 10 to break at high temperature, thereby triggering the dry powder fire extinguisher 5 to work and release dry powder for fire extinguishing.

[0031] In the preferred solution, the glass bulb 10 is provided with a breaking device 7 on one side, the breaking device 7 comprising a barrel 701, the barrel 701 being provided with a powder chamber 705, the barrel 701 being provided with a sliding slide rod 702, the powder chamber 705 being provided with a sliding firing pin 706 at the bottom, one end of the firing pin 706 being aligned with the glass bulb 10.

[0032] In the preferred solution, the barrel 701 is provided with a cylinder 707, the cylinder 707 being connected with the slide rod 702, the slide rod 702 being provided with an electronic trigger device 703 at the bottom, the powder chamber 705 being provided with a striking device at the top, the powder chamber 705 being provided with gunpowder, the powder chamber 705 being provided with a plurality of second through holes 7012 at the bottom, the slide rod 702 being provided with a battery 704. Thus, the cylinder 707 is driven to slide the slide rod 702 relative to the barrel 701, so that the electronic trigger device 703 is in contact with the striking device to form a closed loop, the gunpowder is ignited, and the firing pin 706 breaks the glass bulb 10, which is simple and reliable.

[0033] In the preferred solution, the firing pin 706 is provided with a slide column at the top, the slide column being slidingly connected with the barrel 701, the slide column and the bottom of the barrel 701 being provided with a spring 708, the bottom of the barrel 701 being provided with a through hole 7011, one side of the slide column abutting on the second through hole 7012. Thus, the dry powder extinguisher 5 can open the dry powder spray for extinguishing fire through the high-temperature glass bulb 10 or through the breaking device 7, so that the overall structure has a double insurance mechanism, the high-temperature glass bulb 10 and the breaking device 7 serve as two independent triggering mechanisms, providing double insurance. Even if one of the systems fails, the other can still work normally, ensuring that the fire extinguishing process can be started in time when a fire occurs, and since there are two different triggering methods, the reliability of the system has been significantly improved.

[0034] The above-mentioned embodiments are only preferred technical solutions of the present application, and should not be regarded as limiting the present application, the protection scope of the present application should be the technical solutions recited in the claims, including the equivalent replacement solutions of the technical features recited in the claims. That is, within the scope of this range, equivalent replacement improvements are also within the protection scope of the present application.

Claims

1. A fire extinguishing arrangement for offshore wind turbine nacelles, characterised in that: The utility model provides a kind of wind machine, including fan (1), fan (1) includes motor cabin (2), and both sides of motor cabin (2) are equipped with multiple sliding U-shaped frame (3), and U-shaped frame (3) is equipped with sliding mechanism (4), and the bottom of sliding mechanism (4) is equipped with dry powder fire extinguisher (5), and the bottom of dry powder fire extinguisher (5) is equipped with glass bulb (10), and one side of glass bulb (10) is equipped with glass bulb (10).

2. A fire extinguishing system for offshore wind turbine nacelles according to claim 1, characterised in that: Both sides of motor cabin (2) are equipped with support (201), and support (201) is equipped with recess, and one end of U-shaped frame (3) is abutted on recess, and one side of recess is equipped with second rack, and U-shaped frame (3) is equipped with second motor (9), and second motor (9) is equipped with second gear (8), and second gear (8) is engaged with second rack.

3. The offshore wind turbine nacelle fire extinguishing apparatus according to claim 1, wherein: U-shaped frame (3) is equipped with transverse groove (301), and sliding mechanism (4) includes sliding block (401), and sliding block (401) is abutted on transverse groove (301) and slides, and sliding block (401) is equipped with first motor (402).

4. A fire extinguishing system for offshore wind turbine nacelles according to claim 3, characterised in that: First motor (402) is equipped with first gear (403), and first gear (403) is engaged with first rack (404) on one side of transverse groove (301).

5. The offshore wind turbine nacelle fire extinguishing apparatus according to claim 1, wherein: The bottom of dry powder fire extinguisher (5) is equipped with powder outlet (501), and one end of glass bulb (10) is abutted on powder outlet (501), and the bottom of dry powder fire extinguisher (5) is equipped with second support (6), and the other end of glass bulb (10) is installed on second support (6).

6. The offshore wind turbine nacelle fire extinguishing apparatus according to claim 1, wherein: One side of glass bulb (10) is equipped with breaking device (7), and breaking device (7) includes cylinder shell (701), and cylinder shell (701) is equipped with powder chamber (705), and cylinder shell (701) is equipped with sliding slide rod (702), and powder chamber (705) bottom is equipped with sliding firing pin (706), and one end of firing pin (706) is aligned with glass bulb (10).

7. A fire extinguishing system for offshore wind turbine nacelles according to claim 6, characterised in that: Cylinder shell (701) is equipped with air cylinder (707), and air cylinder (707) is connected with slide rod (702), and the bottom of slide rod (702) is equipped with electronic trigger device (703), and powder chamber (705) top is equipped with ignition device, and powder chamber (705) is equipped with powder, and the bottom of powder chamber (705) is equipped with multiple second through holes (7012), and slide rod (702) is equipped with battery (704).

8. A fire extinguishing system for offshore wind turbine nacelles according to claim 6, characterised in that: The top of firing pin (706) is equipped with slide column, and slide column is slidably connected with cylinder shell (701), and spring (708) is arranged between slide column and the bottom of cylinder shell (701), and the bottom of cylinder shell (701) is equipped with through hole (7011), and one side of slide column is abutted on second through hole (7012).