CN216142865U

CN216142865U - Monitoring system for wind power generation equipment

Info

Publication number: CN216142865U
Application number: CN202121092328.2U
Authority: CN
Inventors: 翟伟翔
Original assignee: Beijing Xintailvneng Science And Technology Co ltd
Current assignee: Beijing Xintailvneng Science And Technology Co ltd
Priority date: 2021-05-20
Filing date: 2021-05-20
Publication date: 2022-03-29
Anticipated expiration: 2031-05-20

Abstract

The application provides a monitoring system for wind power generation equipment, belongs to monitoring system technical field. The monitoring system for the wind power generation equipment comprises a monitoring system body and a cooling component. In the implementation process, when the inside temperature of protecting crust is higher than the action temperature of kick type temperature controller, the kick type temperature controller can be closed and powered on, and then the fan can be made, semiconductor refrigeration piece and fan power-on work, and then the cooling is carried out to the inside electrical components and the electrical modules of monitoring system body, when the inside temperature of protecting crust is lower than the reset temperature of kick type temperature controller, the kick type temperature controller can be disconnected, can be comparatively effectual to the inside electrical components and the electrical modules of monitoring system body cool down, make the inside electrical components and the electrical modules of monitoring system body be difficult for appearing the phenomenon of overheat damage, be favorable to this a monitoring system for wind power generation equipment to use for a long time.

Description

Monitoring system for wind power generation equipment

Technical Field

The application relates to the field of monitoring systems, in particular to a monitoring system for wind power generation equipment.

Background

With the increase of environmental awareness and the shortage of power resources, wind power generation equipment is more and more widely applied, and most of the wind power generation equipment is installed in a complex environment with large wind power and has a certain height, so that the wind power generation equipment needs to be monitored in order to improve safety and practicability.

Inside numerous electrical components and the electrical apparatus module of monitoring system of wind power generation equipment, and in the correlation technique, in order to prevent that external environment from causing the influence to monitoring system, and use the protecting crust to protect monitoring system, and inside electrical components and the electrical apparatus module of monitoring system during operation have the heat production, and in the correlation technique, it only simply sets up the thermovent on the protecting crust and dispels the heat, radiating effect is relatively poor, very easily make the inside electrical components of monitoring system and the condition that overheat damage appears in electrical apparatus module.

SUMMERY OF THE UTILITY MODEL

In order to make up for above not enough, the application provides a monitoring system for wind power generation equipment, aims at improving the very easy time and makes the electric elements and the electric module that monitoring system used the condition that the overheat damaged appears, is unfavorable for the permanent problem of using of monitoring system of wind power generation equipment.

The embodiment of the application provides a monitoring system for wind power generation equipment, which comprises a monitoring system body and a cooling assembly.

The monitoring system is characterized in that a protective shell is sleeved outside the monitoring system body, and a gas outlet is formed in the top of one side of the protective shell.

The cooling assembly comprises a sudden jump type temperature controller, a cooling shell, a fan, fins, semiconductor refrigeration sheets, a fan and an exhaust pipe, the sudden jump type temperature controller is connected to one side of the protection shell, the temperature measuring end of the sudden jump type temperature controller is positioned in the protection shell, one side of the cooling shell is connected with one side of the protection shell, the fan is connected to the top of the cooling shell, the fan is electrically connected with the sudden jump type temperature controller, the exhaust port of the fan is communicated with the inside of the cooling shell, the fins are fixedly inserted in the cooling shell, the heat absorbing surfaces of the semiconductor refrigeration sheets are connected with one side, far away from the protection shell, of the fins, the semiconductor refrigeration sheets are electrically connected with the sudden jump type temperature controller, the fan is connected with the shell of the cooling shell, and the fan is positioned on one side of the heat releasing surfaces of the semiconductor refrigeration sheets, the fan with jump formula temperature controller electric connection suddenly, the one end of exhaust pipe with the inside of cooling shell is linked together, the exhaust pipe other end with the protecting crust is kept away from one side of cooling shell links to each other, the body of exhaust pipe is located the inside of protecting crust, the gas vent has all been seted up to the top surface and the bottom surface of exhaust pipe body, a plurality of have all been seted up to the gas vent align to grid.

In the implementation process, the action temperature and the reset temperature of the snap-action temperature controller can be set as required, then the snap-action temperature controller is connected with external power supply equipment, when the monitoring system body works, the electric appliance element and the electric appliance module in the monitoring system body can generate heat, so that the internal temperature of the protective shell can be increased, the snap-action temperature controller can monitor the internal temperature of the protective shell, when the internal temperature of the protective shell is higher than the action temperature of the snap-action temperature controller, the snap-action temperature controller can be powered on, so that the fan, the semiconductor sheet and the fan can be powered on to work, when the fan works, the heat release surface of the semiconductor refrigeration sheet can be cooled, so that the cooling effect of the semiconductor refrigeration sheet is good, when the semiconductor refrigeration sheet works, the fin can be cooled, so that the fin can be cooled to the internal part of the cooling shell, when the fan works, the external air is sucked and discharged into the cooling shell, the air is cooled by the fins after entering the cooling shell, the air in the cooling shell enters the exhaust pipe under the action of the fan and then enters the protective shell from a plurality of exhaust ports in a dispersed manner, thereby cooling the interior of the protective shell, further cooling the electrical components and the electrical modules in the monitoring system body, when the temperature in the protective shell is lower than the reset temperature of the kick temperature controller, the kick temperature controller is disconnected, thereby the fan, the semiconductor refrigeration sheet and the fan are powered off, the temperature of the electrical elements and the electrical modules in the monitoring system body can be effectively reduced and cooled, the phenomenon that electrical components and electrical modules inside the monitoring system body are not prone to overheating and damage is facilitated, and the monitoring system for the wind power generation equipment is beneficial to long-term use.

In a specific embodiment, a first waterproof, breathable membrane is disposed within the outlet opening.

In the implementation process, the first waterproof breathable film is used for preventing water vapor, dust and the like in rainwater and air from entering the protective shell from the air outlet, and further preventing the water vapor, dust and the like in the air from influencing the monitoring system body.

In a specific embodiment, the air outlet of the fan is fixedly penetrated through the top wall of the cooling shell, the air outlet of the fan is communicated with an air outlet pipe, and an air outlet is formed in the lower surface of the air outlet pipe body.

In a specific embodiment, the air outlet is provided with a plurality of air outlets which are uniformly arranged.

In the implementation process, the air outlets are provided with a plurality of air outlets which are uniformly arranged, so that the air sucked by the fan can more dispersedly enter the cooling shell.

In a specific embodiment, the air suction opening of the fan is covered with a second waterproof and breathable film.

In the implementation process, the second waterproof breathable film is used for preventing water vapor and dust in rainwater or air from entering the fan, so that the water vapor and dust in rainwater or air can be prevented from entering the cooling shell, and gas sucked by the fan can be relatively clean.

In a specific implementation scheme, the fins are provided with a plurality of fins, the fins are fixedly inserted into the cooling shell, and the heat absorbing surface of the semiconductor refrigeration sheet is connected with one sides of the fins far away from the cooling shell.

In the implementation process, the fins are provided with a plurality of fins, so that the efficiency of cooling the gas in the cooling shell can be increased, the contact area of the heat absorbing surface of the semiconductor refrigerating sheet and the air can be reduced, and the waste of resources can be reduced.

In a specific embodiment, a copper plate is sleeved on one side, away from the protective shell, of each of the fins, one side of the copper plate is connected with one side, away from the protective shell, of the cooling shell, and the heat absorbing surface of the semiconductor refrigeration sheet is connected with the other side of the copper plate.

In the implementation process, the semiconductor refrigerating sheet cools the copper plate, and the copper plate cools the fins, so that the efficiency of the semiconductor refrigerating sheet for cooling the fins can be increased.

In a specific embodiment, a plurality of fins are arranged on the sheet body inside the cooling shell, and a plurality of through holes are arranged in the through holes and are uniformly arranged.

In the implementation process, the plurality of through holes are formed for increasing the surface area of the fins inside the cooling shell, and therefore the efficiency of the fins for cooling the gas inside the cooling shell can be increased.

In a specific embodiment, the outer wall of the fan is connected with a connecting rod, the connecting rod is provided with a plurality of connecting rods, and one ends of the connecting rods are connected with one side of the cooling shell, which is far away from the protective shell.

In the implementation process, the fan can be firmly fixed by arranging the connecting rods.

In a specific implementation scheme, the protection cover is connected to one side of the protection shell, and the kick type temperature controller, the cooling shell, the fan, the fins, the semiconductor refrigeration piece and the fan are located inside the protection cover.

In the implementation process, the protective cover is used for protecting the sudden jump type temperature controller, the cooling shell, the fan, the fins, the semiconductor refrigerating sheet and the fan, and the service lives of the sudden jump type temperature controller, the cooling shell, the fan, the fins, the semiconductor refrigerating sheet and the fan can be prolonged.

Drawings

In order to more clearly explain the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.

FIG. 1 is a schematic view of an overall cross-sectional structure of a monitoring system for a wind power plant according to an embodiment of the present disclosure;

fig. 2 is a schematic structural diagram of a monitoring system body according to an embodiment of the present disclosure;

fig. 3 is a schematic structural diagram of a cooling assembly according to an embodiment of the present disclosure;

fig. 4 is a schematic structural diagram of a semiconductor chilling plate and a fin part provided by the embodiment of the application.

In the figure: 100-monitoring system body; 110-a protective shell; 111-gas outlet; 112-a first waterproof breathable film; 200-a temperature reduction assembly; 210-kick type thermostat; 220-cooling the shell; 230-a fan; 231-an air outlet pipe; 2311-air outlet; 232-a second waterproof breathable film; 240-fins; 241-a through hole; 250-semiconductor refrigerating sheets; 260-a fan; 261-a connecting rod; 270-an exhaust pipe; 271-an exhaust port; 280-copper plate; 300-protective cover.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Referring to fig. 1, the present application provides a monitoring system for a wind power plant, which includes a monitoring system body 100 and a cooling assembly 200.

Referring to fig. 1 to 4, a protective shell 110 is sleeved outside the monitoring system body 100, an air outlet 111 is formed in the top of one side of the protective shell 110, air entering the protective shell 110 can be discharged from the air outlet 111, a first waterproof breathable film 112 is arranged inside the air outlet 111, the first waterproof breathable film 112 is used for preventing rainwater, water vapor and dust in the air and the like from entering the protective shell 110 from the air outlet 111, and further preventing the water vapor and dust in the air and the like from affecting the monitoring system body 100.

Referring to fig. 1, the cooling assembly 200 includes a trip temperature controller 210, a cooling shell 220, a fan 230, fins 240, semiconductor cooling fins 250, a fan 260, and an exhaust duct 270, the trip temperature controller 210 is connected to one side of the protection shell 110, a temperature measuring end of the trip temperature controller 210 is located inside the protection shell 110, the trip temperature controller 210 is connected to an external power supply device, one side of the cooling shell 220 is connected to one side of the protection shell 110, and one side of the cooling shell 220 is connected to one side of the protection shell 110 by welding.

In this application, the fan 230 is connected to the top of the cooling shell 220, the fan 230 is electrically connected to the snap-action temperature controller 210, when the snap-action temperature controller 210 is switched on, the fan 230 can be switched on, the suction inlet of the fan 230 is covered with the second waterproof breathable film 232, the second waterproof breathable film 232 is used for preventing water vapor and dust in rainwater or air from entering the fan 230, and further preventing water vapor and dust in rainwater or air from entering the cooling shell 220, so that the gas sucked by the fan 230 is relatively clean, the exhaust outlet of the fan 230 is communicated with the inside of the cooling shell 220, the exhaust outlet of the fan 230 is fixedly penetrated through the top wall of the cooling shell 220, the exhaust outlet of the fan 230 is communicated with the air outlet pipe 231, the lower surface of the air outlet pipe 231 is provided with the air outlet 2311, the air outlet 2311 is provided with a plurality of air outlets, the air outlets 2311 are uniformly arranged, and the air outlets 2311 are provided with a plurality of air outlets and uniformly arranged so that the gas sucked by the fan 230 is relatively dispersed into the cooling shell 220 inside, and then the refrigerated efficiency of multiplicable gas, fin 240 is fixed to be pegged graft in the inside of cooling shell 220, fin 240 keeps away from one side fixed connection of protecting crust 110 with cooling shell 220, fin 240 is provided with a plurality of, a plurality of fin 240 is all fixed to be pegged graft in the inside of cooling shell 220, through-hole 241 has all been seted up to the lamellar body that a plurality of fin 240 is located cooling shell 220 inside, a plurality of has been seted up to through-hole 241, a plurality of through-hole 241 align to grid, set up a plurality of through-hole 241 and be used for increasing the fin 240 and be located the inside surface area of cooling shell 220, and then the inside gaseous efficiency of multiplicable fin 240 cooling shell 220.

In the application, the heat absorbing surface of the semiconductor chilling plate 250 is connected with one side of the fin 240 far away from the protective shell 110, the heat absorbing surface of the semiconductor chilling plate 250 is connected with the fin 240 through heat conducting silica gel, the heat absorbing surface of the semiconductor chilling plate 250 is connected with one side of the fins 240 far away from the cooling shell 220, the fins 240 are provided with a plurality of fins, on one hand, the efficiency of cooling the gas in the cooling shell 220 can be increased, on the other hand, the contact area of the heat absorbing surface of the semiconductor chilling plate 250 and air can be reduced, further, the waste of resources can be reduced, the copper plate 280 is sleeved on one side of the fins 240 far away from the protective shell 110, one surface of the copper plate 280 is connected with one side of the cooling shell 220 far away from the protective shell 110 through welding, the heat absorbing surface of the semiconductor chilling plate 250 is connected with the other surface of the copper plate 280 through heat conducting gel, the semiconductor chilling plates 250 can cool the copper plates 280, the copper plates 280 can cool the fins 240, the efficiency of the semiconductor chilling plates 250 for cooling the fins 240 can be increased, the semiconductor chilling plates 250 are electrically connected with the sudden-jump temperature controller 210, and when the sudden-jump temperature controller 210 is closed and powered on, the semiconductor chilling plates 250 can be powered on to work.

In this application, fan 260 links to each other with the casing of cooling shell 220, the outer wall connection of fan 260 has connecting rod 261, connecting rod 261 is provided with a plurality of roots, the one end of a plurality of connecting rods 261 all links to each other with one side that protective housing 110 was kept away from to cooling shell 220 casing, it can be comparatively firm to set up a plurality of connecting rods 261 and fix fan 260, fan 260 is located semiconductor refrigeration piece 250 hot side one side, fan 260 during operation alright dispel the heat to semiconductor refrigeration piece 250's hot side, fan 260 and kick type temperature controller 210 electric connection, when the closed circular telegram of kick type temperature controller 210, fan 260 just can the circular telegram work.

In this application, the one end of exhaust pipe 270 and the inside of cooling shell 220 are linked together, the exhaust pipe 270 other end links to each other with one side that cooling shell 220 was kept away from to protecting shell 110, the body of exhaust pipe 270 is located protecting shell 110's inside, gas vent 271 has all been seted up with the bottom surface to the top surface of exhaust pipe 270 body, a plurality of has all been seted up to gas vent 271, a plurality of gas vent 271 align to grid can make the inside gaseous inside comparatively dispersed inside entering protecting shell 110 of exhaust pipe 270.

Referring to fig. 1 and 3, the monitoring system for the wind power generation equipment further includes a protective cover 300, the protective cover 300 is connected to one side of the protective cover 110, the trip temperature controller 210, the cooling shell 220, the fan 230, the fins 240, the semiconductor chilling plates 250 and the fan 260 are all located inside the protective cover 300, and the protective cover 300 is used for protecting the trip temperature controller 210, the cooling shell 220, the fan 230, the fins 240, the semiconductor chilling plates 250 and the fan 260, so that the service lives of the trip temperature controller 210, the cooling shell 220, the fan 230, the fins 240, the semiconductor chilling plates 250 and the fan 260 can be prolonged.

The operating principle of the monitoring system for a wind power plant is as follows: the operating temperature and the reset temperature of the snap-action temperature controller 210 can be set as required, then the snap-action temperature controller 210 is connected with external power supply equipment, then when the monitoring system body 100 works, the electrical components and the electrical modules inside the monitoring system body 100 can generate heat, so that the temperature inside the protective shell 110 can be raised, the snap-action temperature controller 210 can monitor the temperature inside the protective shell 110, when the temperature inside the protective shell 110 is higher than the operating temperature of the snap-action temperature controller 210, the snap-action temperature controller 210 can be powered on, so that the fan 230, the semiconductor chilling plate 250 and the fan 260 can be powered on to work, when the fan 260 works, the heat release surface of the semiconductor chilling plate 250 can be cooled, so that the cooling effect of the semiconductor chilling plate 250 is good, when the semiconductor chilling plate 250 works, the fins 240 can be cooled, and further the fins 240 can be cooled to cool the inside of the cooling shell 220, when the fan 230 works, external air is sucked and exhausted into the cooling shell 220, the air is cooled by the fins 240 after entering the cooling shell 220, the air inside the cooling shell 220 enters the exhaust pipe 270 under the action of the fan 230 and enters the protective shell 110 from the plurality of exhaust ports 271 in a dispersed manner, so that the interior of the protective shell 110 can be cooled, and further, electrical components and electrical modules inside the monitoring system body 100 can be cooled, when the temperature inside the protective shell 110 is lower than the reset temperature of the kick type temperature controller 210, the kick type temperature controller 210 is disconnected, so that the fan 230, the semiconductor cooling plate 250 and the fan 260 are disconnected, the electrical components and the electrical modules inside the monitoring system body 100 can be effectively cooled, and the electrical components and the electrical modules inside the monitoring system body 100 are not easily damaged by overheating, the monitoring system for the wind power generation equipment is beneficial to long-term use.

It should be noted that the specific model specifications of the monitoring system body 100, the trip temperature controller 210, the fan 230, the semiconductor chilling plate 250, and the fan 260 need to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art in the field, and therefore detailed description is omitted.

The power supply and the principle of the monitoring system body 100, the trip thermostat 210, the fan 230, the semiconductor cooling plate 250 and the fan 260 will be clear to those skilled in the art and will not be described in detail herein.

The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A monitoring system for a wind power plant, characterized in that it comprises

The monitoring system comprises a monitoring system body (100), wherein a protective shell (110) is sleeved outside the monitoring system body (100), and the top of one side of the protective shell (110) is provided with an air outlet (111);

the cooling assembly (200) comprises a snap-action temperature controller (210), a cooling shell (220), a fan (230), fins (240), semiconductor refrigerating fins (250), a fan (260) and an exhaust pipe (270), wherein the snap-action temperature controller (210) is connected to one side of the protective shell (110), a temperature measuring end of the snap-action temperature controller (210) is positioned inside the protective shell (110), one side of the cooling shell (220) is connected with one side of the protective shell (110), the fan (230) is connected to the top of the cooling shell (220), the fan (230) is electrically connected with the snap-action temperature controller (210), an exhaust outlet of the fan (230) is communicated with the inside of the cooling shell (220), the fins (240) are fixedly inserted into the inside of the cooling shell (220), and a heat absorbing surface of the semiconductor refrigerating fins (250) is connected with one side of the fins (240) far away from the protective shell (110), semiconductor refrigeration piece (250) with jump formula temperature controller (210) electric connection suddenly, fan (260) with the casing of cooling shell (220) links to each other, fan (260) are located semiconductor refrigeration piece (250) send out hot side one side, fan (260) with jump formula temperature controller (210) electric connection suddenly, the one end of exhaust pipe (270) with the inside of cooling shell (220) is linked together, exhaust pipe (270) other end with protecting crust (110) is kept away from one side of cooling shell (220) links to each other, the body of exhaust pipe (270) is located the inside of protecting crust (110), gas vent (271) have all been seted up to the top surface and the bottom surface of exhaust pipe (270) body, a plurality of gas vent (271) align to grid.

2. A monitoring system for a wind power plant according to claim 1, characterized in that the interior of the air outlet opening (111) is provided with a first waterproof, breathable membrane (112).

3. The monitoring system for the wind power generation equipment according to claim 1, wherein an air outlet of the fan (230) is fixedly penetrated through a top wall of the cooling shell (220), the air outlet of the fan (230) is communicated with an air outlet pipe (231), and an air outlet (2311) is formed in a lower surface of a pipe body of the air outlet pipe (231).

4. A monitoring system for wind power plants according to claim 3, characterized in that said outlet opening (2311) is opened in several numbers, said several outlets (2311) being arranged uniformly.

5. A monitoring system for a wind power plant according to claim 1, wherein the suction inlet of the wind turbine (230) is covered with a second waterproof and breathable membrane (232).

6. A monitoring system for a wind power plant according to claim 1, wherein said fins (240) are provided in a plurality, each of said plurality of fins (240) is fixedly inserted into the interior of said cooling housing (220), and the heat absorbing surface of said semiconductor cooling fins (250) is connected to the side of each of said plurality of fins (240) away from said cooling housing (220).

7. A monitoring system for a wind power plant according to claim 6, characterized in that a copper plate (280) is sleeved on one side of a plurality of fins (240) far away from the protective shell (110), one side of the copper plate (280) is connected with one side of the cooling shell (220) far away from the protective shell (110), and the heat absorbing surface of the semiconductor refrigeration sheet (250) is connected with the other side of the copper plate (280).

8. A monitoring system for a wind power plant according to claim 7, wherein a number of said fins (240) are provided with through holes (241) on the sheet inside said cooling shell (220), and a number of said through holes (241) are provided with a number of said through holes (241), and a number of said through holes (241) are arranged uniformly.

9. A monitoring system for a wind power plant according to claim 1, characterized in that the outer wall of the fan (260) is connected with a connecting rod (261), said connecting rod (261) being provided with a number of connecting rods (261), one end of each of said number of connecting rods (261) being connected to the side of the cooling housing (220) housing remote from the protective housing (110).

10. A monitoring system for a wind power plant according to claim 1, further comprising a protective cover (300), said protective cover (300) being attached to one side of said protective housing (110), said trip thermostat (210), cooling housing (220), fan (230), fins (240), semiconductor chilling plates (250) and fan (260) all being located inside said protective cover (300).