CN217873111U - Short-circuit protection system for wind turbine generator - Google Patents

Abstract

The utility model discloses a wind turbine generator system short-circuit protection system, the power distribution box comprises a box body, the top fixed mounting of box has the mechanism case, two temperature-sensitive components of inside wall fixedly connected with of box, the last fixed surface of mechanism case is connected with the casing, the interior roof fixedly connected with electric putter of casing, the through-hole has been seted up to the upper surface of mechanism case, electric putter's bottom runs through the through-hole and extends to the inside of mechanism case, electric putter's flexible end fixedly connected with connecting block, the bottom surface fixedly connected with closing plate of connecting block, the relief hole has been seted up to the bottom surface of mechanism case, the inner wall fixed mounting of box has short-circuit protection ware, the positive fixedly connected with control box of mechanism case. This wind turbine generator system short-circuit protection system can possess the function of putting out a fire, will solve short-circuit protector's the problem that the fire brought destruction for wind turbine generator system power distribution system to the potential safety hazard when having reduced wind turbine generator system short-circuit protection.

Description

Short-circuit protection system for wind turbine generator

Technical Field

The utility model belongs to the technical field of the wind turbine generator system, especially, relate to a wind turbine generator system short-circuit protection system.

Background

The wind generating set comprises a wind generating set, a tower frame for supporting the generating set, a storage battery charging controller, an inverter, an unloader, a grid-connected controller, a storage battery pack and the like, wherein the wind generating set comprises a wind wheel and a generator; the wind wheel comprises blades, a hub, a reinforcing member and the like.

In the wind turbine generator system power generation process, need use short-circuit protection ware to carry out current protection to wind turbine generator system's distribution system, and short-circuit protection ware is at the current protection in-process, the phenomenon that damages the fire appears easily, but present short-circuit protection ware does not possess the function of putting out a fire, and short-circuit protection ware's the fire brings the destruction for wind turbine generator system's distribution system easily to there is the potential safety hazard, consequently for solving above problem, we provide a wind turbine generator system short-circuit protection system.

SUMMERY OF THE UTILITY MODEL

The utility model provides a, aim at solving above-mentioned function that does not possess the fire extinguishing that exists present short-circuit protector, short-circuit protector's the fire, bring destruction for wind turbine generator system's distribution system easily to there is the problem of potential safety hazard.

The utility model relates to a realize like this, a wind turbine generator system short-circuit protection system, the power distribution box comprises a box body, the top fixed mounting of box has the mechanism case, two temperature-sensitive components of inside wall fixedly connected with of box, the last fixed surface of mechanism case is connected with the casing, the interior roof fixedly connected with electric putter of casing, the through-hole has been seted up to the upper surface of mechanism case, electric putter's bottom is run through the through-hole and is extended to the inside of mechanism case, electric putter's flexible end fixedly connected with connecting block, the bottom surface fixedly connected with closing plate of connecting block, the relief hole has been seted up to the bottom surface of mechanism case, the inner wall fixed mounting of box has short-circuit protector.

The front fixedly connected with control box of mechanism case, the front of control box is fixed to be inlayed and is controlled the panel, it is connected with the singlechip to control the panel through the wire electricity, the singlechip passes through the wire and is connected with temperature sensitive component and electric putter electricity respectively.

The outer fixed surface of closing plate is connected with the elastic sealing pad, the outer surface of elastic sealing pad contacts with the inner wall of relief hole, two water conservancy diversion pieces of the inside wall fixedly connected with of mechanism case.

The last fixed surface of mechanism case installs two batteries, and the battery is located the inside of casing, the front of box articulates through the round pin axle has the emergency exit.

Two groups of threading holes are formed in the bottom surface of the box body, and elastic sealing sleeves are in threaded connection with the inner walls of the two groups of threading holes.

The equal fixedly connected with first installed part of the left and right sides face of box, the equal fixedly connected with second installed part of the left and right sides face of mechanism case.

Compared with the prior art, the beneficial effects of the utility model are that: be provided with the mechanism case through the box top, play the effect of storing fire extinguishing assembly installation and sand, be provided with two temperature sensitive components through the box is inside, can detect the temperature of short circuit protector both sides, possess the characteristics of quick response when firing short circuit protector, simultaneously with the cooperation of singlechip, can start electric putter and carry out the shrinkage movement, can drive connecting block and closing plate rebound, will make the relief hole open, can make the sand pass through the relief hole simultaneously and discharge downwards fast, and can put out a fire the short circuit protector of state of firing, thereby this short circuit protection system possesses the function of putting out a fire, solve short circuit protector's firing and bring the problem of destruction for wind turbine generator system power distribution system, and the potential safety hazard has been reduced.

Drawings

FIG. 1 is a schematic perspective view of the box body of the present invention;

FIG. 2 is a sectional view of the front view of the box body of the present invention;

FIG. 3 is a cross-sectional view of a front view of the mechanism housing of the present invention;

fig. 4 is a schematic diagram of the system structure of the present invention.

In the figure: 1. a box body; 2. a short circuit protector; 3. a mechanism box; 4. a temperature sensitive element; 5. a housing; 6. an electric push rod; 7. a through hole; 8. connecting blocks; 9. a discharge hole; 10. a sealing plate; 11. a flow guide block; 12. a storage battery; 13. an elastic sealing gasket; 14. a single chip microcomputer; 15. a control box; 16. a control panel; 17. a second mount; 18. a first mounting member; 19. a threading hole; 20. an elastic sealing sleeve; 21. and (4) a safety door.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-4, a short-circuit protection system for a wind turbine generator system comprises a box body 1, a mechanism box 3 is fixedly installed at the top end of the box body 1, two temperature-sensitive elements 4 are fixedly connected to the inner side wall of the box body 1, the temperature-sensitive elements 4 are sensitive to temperature changes and are commonly used for temperature detection, a shell 5 is fixedly connected to the upper surface of the mechanism box 3, an electric push rod 6 is fixedly connected to the inner top wall of the shell 5, the electric push rod 6 is an electric driving device for converting rotary motion of a motor into linear reciprocating motion of a push rod, and can be used as an execution machine in various simple or complex process flows to realize remote control, centralized control or automatic control, a through hole 7 is formed in the upper surface of the mechanism box 3, the bottom end of the electric push rod 6 penetrates through the through hole 7 and extends into the mechanism box 3, a connecting block 8 is fixedly connected to the telescopic end of the electric push rod 6, a sealing plate 10 is fixedly connected to the bottom surface of the connecting block 8, a discharging hole 9 is formed in the bottom surface of the mechanism box 3, and a short-circuit protector 2 is fixedly installed on the inner wall of the box 1.

The utility model discloses in, the positive fixedly connected with control box 15 of mechanism case 3, the fixed front of control box 15 is inlayed and is controlled panel 16, it is connected with singlechip 14 to control panel 16 through the wire electricity, through controlling panel 16 and singlechip 14, can be to better controlling of subassembly of putting out a fire, flexibility when having improved to put out a fire and controlling, singlechip 14 passes through the wire and is connected with temperature sensitive element 4 and electric motor push rod 6 electricity respectively, the outer fixed surface of closing plate 10 is connected with elastic sealing pad 13, elastic sealing pad 13's surface contacts with the inner wall of relief hole 9, two water conservancy diversion blocks 11 of inside wall fixedly connected with of mechanism case 3, can deepen the sealing of closing plate 10 with relief hole 9 through elastic sealing pad 13, utilize water conservancy diversion block 11 to play the effect to the sand water conservancy diversion, will make the better downward discharge of sand.

Mechanism case 3's last fixed surface installs two batteries 12, and battery 12 is located casing 5's inside, box 1's front has the emergency exit 21 through selling the axle articulated, can provide electric power for the work of subassembly of putting out a fire through battery 12, utilize emergency exit 21 to play the effect to box 1 positive seal, two sets of through wires hole 19 have been seted up to box 1's bottom surface, the equal threaded connection of inner wall of two sets of through wires hole 19 has elastic sealing sleeve 20, utilize through wires hole 19 and elastic sealing sleeve 20, can make better the penetrating and wearing out of distribution wire, the equal first installed part of fixedly connected with 18 of the left and right sides face of box 1, the equal fixedly connected with second installed part 17 of the left and right sides face of mechanism case 3, through first installed part 18 and second installed part 17, will be to better installing of box 1 and mechanism case 3.

The utility model discloses a theory of operation is: at first, install box 1 and mechanism case 3 through first installed part 18 and second installed part 17, and be connected short-circuit protection ware 2 with wind turbine generator system's distribution system, then utilize short-circuit protection ware 2 alright in order carrying out current protection, when short-circuit protection ware 2 damages to be caught fire when putting out a fire, pour into the inside of mechanism case 3 with the sand into through annotating the sand mouth, then utilize temperature sensing element 4 can detect the temperature when catching fire, and can transmit the temperature data when catching fire to singlechip 14, can start electric putter 6's flexible end through singlechip 14 and carry out the shrink motion, will drive connecting block 8 and closing plate 10 and upwards move, and can make encapsulated situation's relief hole 9 open, the inside sand of mechanism case 3, will be through relief hole 9 downwards discharge, thereby utilize the sand of discharging, reach the effect of putting out a fire when catching fire to short-circuit protection ware 2.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (6)

1. The utility model provides a wind turbine generator system short-circuit protection system, includes box (1), its characterized in that: the utility model discloses a mechanism box, including box (1), inside wall fixedly connected with of box (1) has two temperature-sensitive components (4), the last fixed surface of mechanism box (3) is connected with casing (5), the interior roof fixedly connected with electric putter (6) of casing (5), through-hole (7) have been seted up to the upper surface of mechanism box (3), the bottom of electric putter (6) runs through-hole (7) and extends to the inside of mechanism box (3), the flexible end fixedly connected with connecting block (8) of electric putter (6), the bottom surface fixedly connected with closing plate (10) of connecting block (8), relief hole (9) have been seted up to the bottom surface of mechanism box (3), the inner wall fixed mounting of box (1) has short circuit protector (2).

2. The wind turbine generator short-circuit protection system according to claim 1, characterized in that: the mechanism is characterized in that a control box (15) is fixedly connected to the front face of the mechanism box (3), a control panel (16) is fixedly embedded to the front face of the control box (15), the control panel (16) is electrically connected with a single chip microcomputer (14) through a wire, and the single chip microcomputer (14) is electrically connected with a temperature-sensitive element (4) and an electric push rod (6) through wires respectively.

3. The wind turbine generator short-circuit protection system according to claim 1, wherein: the outer fixed surface of closing plate (10) is connected with elastic sealing pad (13), the surface of elastic sealing pad (13) contacts with the inner wall of relief hole (9), the inside wall fixedly connected with of mechanism case (3) leads two water conservancy diversion pieces (11).

4. The wind turbine generator short-circuit protection system according to claim 1, wherein: the upper surface fixed mounting of mechanism case (3) has two battery (12), and battery (12) are located the inside of casing (5), the front of box (1) articulates through the round pin axle has emergency exit (21).

5. The wind turbine generator short-circuit protection system according to claim 1, wherein: two groups of threading holes (19) are formed in the bottom surface of the box body (1), and elastic sealing sleeves (20) are in threaded connection with the inner walls of the two groups of threading holes (19).

6. The wind turbine generator short-circuit protection system according to claim 1, wherein: the mechanism box is characterized in that first mounting pieces (18) are fixedly connected to the left side face and the right side face of the box body (1), and second mounting pieces (17) are fixedly connected to the left side face and the right side face of the mechanism box (3).

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