CN215486359U - Radiating device of variable pitch system of wind generating set - Google Patents

Radiating device of variable pitch system of wind generating set Download PDF

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Publication number
CN215486359U
CN215486359U CN202122075697.7U CN202122075697U CN215486359U CN 215486359 U CN215486359 U CN 215486359U CN 202122075697 U CN202122075697 U CN 202122075697U CN 215486359 U CN215486359 U CN 215486359U
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CN
China
Prior art keywords
temperature
cabinet body
heat dissipation
cabinet
control switch
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202122075697.7U
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Chinese (zh)
Inventor
刘宝
吴善庆
苏宇超
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Huarun New Energy Linghai Wind Energy Co ltd
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Huarun New Energy Linghai Wind Energy Co ltd
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Priority to CN202122075697.7U priority Critical patent/CN215486359U/en
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction

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  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

The utility model discloses a radiating device of a variable pitch system of a wind generating set, which comprises a cabinet body, wherein a radiating mechanism is arranged in the cabinet body and used for radiating the inside of the cabinet body; the external portion of the cabinet body is provided with a control panel, and the control panel is electrically connected with the control mechanism and used for controlling the start and stop of the axial fan from the external portion. The cabinet body automatically controls and starts the variable-pitch battery cabinet cooling fan through the temperature control switch; the air circulation in the variable-pitch battery cabinet is increased, the temperature in the battery cabinet in high-temperature weather is reduced, all devices in the cabinet body operate at good environmental temperature, and the reliability of the unit is improved; the temperature in the cabinet body is kept constant, and the service life of each device in the cabinet body is prolonged.

Description

Radiating device of variable pitch system of wind generating set
Technical Field
The utility model relates to the technical field of wind power generation equipment, in particular to a radiating device of a variable pitch system of a wind generating set.
Background
The variable pitch system is used as one of core parts of a control system of a large wind turbine generator and plays an important role in safe, stable and efficient operation of the generator; due to the high-temperature environment in summer, the pitch system cannot play a good radiating effect on the pitch system due to unsmooth air flow in the battery cabinet, so that the internal temperature of the pitch system is gradually increased, the service life of parts in the pitch system is shortened due to overhigh temperature, and the reliability of the fan is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provides a technical scheme for solving the problems of the prior art by using the heat dissipation device of the variable pitch system of the wind generating set.
A heat dissipation device of a variable pitch system of a wind generating set comprises a cabinet body, wherein a heat dissipation mechanism is arranged in the cabinet body and used for dissipating heat inside the cabinet body,
the heat dissipation mechanism comprises an axial flow fan, a control mechanism is arranged in a control loop of the axial flow fan, and the control mechanism is used for controlling the start and stop of the axial flow fan;
the external portion of the cabinet body is provided with a control panel, and the control panel is electrically connected with the control mechanism and used for controlling the start and stop of the axial fan from the external portion.
As a further scheme of the utility model: the control mechanism comprises a temperature controller and a manual control switch, and the temperature control switch of the temperature controller is connected in parallel with the manual control switch and then connected in series with the control loop of the axial flow fan.
As a further scheme of the utility model: the control panel comprises an external operation switch, and the external operation switch is connected with the manual control switch and used for controlling the opening and closing of the manual control switch; the control panel is also provided with a temperature indicating lamp, and the temperature indicating lamp is connected with the temperature controller through a signal sensor so as to be used for displaying the opening and closing state of the temperature control switch.
As a further scheme of the utility model: and a note bag is arranged on one side of the temperature indicating lamp.
As a further scheme of the utility model: the heat dissipation mechanism further comprises a flow guide cover, the flow guide cover is arranged on one side, far away from the inner wall of the cabinet body, of the axial flow fan, and a detachable filter plate is inserted into the flow guide cover to prevent dust from entering the interior of the cabinet body.
As a further scheme of the utility model: the heat dissipation mechanism is provided with three, three heat dissipation mechanism corresponds respectively and is provided with the temperature controller, wherein, three the preset temperature of temperature controller is T respectively1、T2And T3And satisfy T1<T2<T3。
The utility model has the beneficial effects that:
the cabinet body automatically controls and starts the variable-pitch battery cabinet cooling fan through the temperature control switch; the air circulation in the variable-pitch battery cabinet is increased, the temperature in the battery cabinet in high-temperature weather is reduced, all devices in the cabinet body operate at good environmental temperature, and the reliability of the unit is improved; the temperature in the cabinet body is kept constant, and the service life of each device in the cabinet body is prolonged.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a heat dissipation mechanism according to the present invention;
FIG. 2 is a schematic view of the internal structure of the heat dissipation mechanism of the present invention;
fig. 3 is a working principle diagram of the present invention.
In the figure: 1-a heat dissipation mechanism, 101-an axial fan, 102-a flow guide cover, 103-a filter plate, 104-a fan fixing bolt, 105-a flow guide cover fixing bolt, 106-a filter plate fixing bolt, 2-a control mechanism, 201-a temperature controller, 202-a manual control switch, 3-a control panel, 301-a temperature indicator lamp, 302-a note bag, 303-an external operation switch, 4-a power supply and 5-a cabinet body.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
The specific embodiment is as follows:
referring to fig. 1 to 3, an embodiment of the present invention provides a heat dissipation device for a pitch system of a wind turbine generator system, including a cabinet 5, where a heat dissipation mechanism 1 is disposed in the cabinet 5, and is used for dissipating heat inside the cabinet 5, the heat dissipation mechanism 1 includes an axial fan 101, a control mechanism 2 is disposed in a control loop of the axial fan 101, and the control mechanism 2 is used for controlling start and stop of the axial fan 101; the external of the cabinet body 5 is provided with a control panel 3, and the control panel 3 is electrically connected with the control mechanism 2 and used for controlling the start and stop of the axial flow fan 101 from the outside.
Specifically, referring to fig. 1-2, the axial fan 101 is disposed at an air inlet of the cabinet 5 and fixed to an inner wall of the cabinet 5 by a fan fixing bolt 104, the heat dissipation mechanism 1 further includes a wind deflector 102, the wind deflector 102 is disposed at a side of the axial fan 101 away from the inner wall of the cabinet 5, the wind deflector 102 is fixed to an outer frame of the axial fan 101 at four corners by a wind deflector fixing bolt 105, the flow direction of the air flow can be effectively guided by the wind deflector 102, the heat dissipation effect is improved, and a detachable filter plate 103 is inserted into the wind deflector 102 to prevent dust from entering the cabinet 5.
After the axial flow fan 101 is powered on, the impeller of the axial flow fan 101 starts to rotate, so that air outside the cabinet 5 axially enters the impeller of the axial flow fan 101 from the air inlet, the energy of the air is increased due to the pushing of the blades on the impeller, the air flows into the guide vanes of the axial flow fan 101, the guide vanes change the deflection airflow into axial flow, the axial flow is guided by the guide cover 102 and filtered by the filter plate 103, and finally introduced into the cabinet 5, and the temperature of the air introduced by the axial flow fan 101 is lower than that of the air inside the cabinet 5, so that the temperature difference exists in the air inside the cabinet 5, and therefore the heat exchange is performed between the high-temperature air and the low-temperature air inside the cabinet 5, and the temperature inside the cabinet 5 is further reduced. Further, the axial fan 101 continuously blows external air into the cabinet 5, and the blown air can facilitate the discharge of high-temperature air in the cabinet 5, so as to reduce the temperature in the cabinet 5.
Particularly, the top of the filter plate 103 is provided with a shoulder pad, which is convenient for dismounting the filter plate 103, when mounting, the filter plate 103 is inserted along the top of the air guide sleeve 102, the bottom of the filter plate is clamped into a groove in the air guide sleeve 102, so as to limit the filter plate 103, at this time, the shoulder pad at the top of the filter plate 103 is abutted against the outer top surface of the air guide sleeve 102, the four corners of the shoulder pad are fixed by bolts, so as to mount the filter plate 103, in addition, the four corners of the side surface of the filter plate 103 are reinforced by the filter plate fixing bolts 106, when the filter plate 103 needs to be cleaned, the four corners bolts of the shoulder pad and the filter plate fixing bolts 106 at the side surface of the filter plate 103 are removed, the filter plate 103 is taken out along the top of the air guide sleeve 102, the cleaned filter plate 103 is mounted according to the above steps, and the filter plate 103 is conveniently cleaned and replaced, prevent dust from blocking the meshes of the filter plates 103 in long-term use, and improve the heat dissipation efficiency.
Referring to fig. 3, the control mechanism 2 includes a temperature controller 201 and a manual control switch 202, the temperature controller 201 is fixed in the dome 102, the temperature control switch of the temperature controller 201 is connected in parallel with the manual control switch 202 and then connected in series with the control loop of the axial flow fan 101, specifically, the control mechanism 2 is connected in series in the control loop of the axial flow fan 101, that is, after the temperature control switch of the temperature controller 201 is connected in parallel with the manual control switch 202, one connection end of the temperature control switch is electrically connected with the power supply 4 of the power transmission port of the cabinet 5, and the other connection end of the temperature control switch is electrically connected with the charging port of the axial flow fan 101. Under the initial condition, temperature detect switch and manual control switch 202 all are in normally open state, through temperature sensor in the temperature controller 201 to the internal ambient temperature of the cabinet 5 automatic sampling, real-time monitoring, when the temperature of the internal 5 of cabinet is higher than the preset temperature value, temperature detect switch is closed for the return circuit switch-on, axial fan 101 operates, cools down to the internal portion of cabinet 5, increases each device life in the cabinet 5, reduces the change cycle, improves the unit reliability.
In this embodiment, three heat dissipation mechanisms 1 are respectively fixed on the inner wall of the cabinet 5, and the three heat dissipation mechanisms 1 are respectively and correspondingly provided with the temperature controllers 201, wherein the preset temperatures of the three temperature controllers 201 are respectively T1, T2 and T3, and the set values of the preset temperatures are set according to actual conditions and satisfy T1< T2< T3.
The control panel 3 comprises an external operation switch 303, and the external operation switch 303 is connected with the manual control switch 202 and is used for controlling the opening and closing of the manual control switch 202; the control panel 3 is further provided with a temperature indicator lamp 301, and the temperature indicator lamp 301 is connected with the corresponding temperature controller 201 through a signal sensor so as to display the opening and closing state of the temperature control switch. When the temperature control switch is closed, the temperature indicating lamp 301 electrically connected with the temperature control switch is turned on to prompt the temperature in the cabinet 5 of the inspection personnel to exceed a corresponding preset temperature value, in addition, a note bag 302 is arranged on one side of the temperature indicating lamp 301, and the preset temperature of the temperature indicating lamp 301 connected with the corresponding temperature controller 201 is recorded in the note bag 302, so that the inspection personnel can conveniently judge the approximate temperature in the cabinet 5; if the temperature in the cabinet 5 exceeds T1, T2 or T3, the corresponding temperature indicator lamp 301 is turned on, and the corresponding axial fan 101 operates to cool the interior of the cabinet 5; when the temperature in the cabinet 5 is always maintained at T1 or T2, that is, the corresponding temperature indicator lamp 301 is not turned off for a long time, the inspector can operate the external operation switch 303 according to actual requirements to close the manual control switch 202, so that the corresponding loop is switched on, and the axial flow fan 101 operates to cool the inside of the cabinet 5; in addition, on and off signs are marked on one side of the external operation switch 303, and are used for judging the on and off states of the manual control switch 202 from the outside, and further judging the on and off states of the axial flow fan 101 by matching with the temperature indicator lamp 301.
The working principle of the utility model is as follows:
under a normal working state, the manual control switch 202 is switched off, and the temperature control switch of the temperature controller 201 automatically controls the loop to be switched on and off, so that the axial flow fan 101 in the cabinet body 5 is started and stopped, namely when the temperature in the cabinet body 5 is higher than T1, the corresponding temperature control switch is switched on, so that one of the axial flow fans 101 operates to cool the interior of the cabinet body 5; when the temperature in the cabinet body 5 is higher than T2, the corresponding temperature control switch is turned on, so that on the basis of the operation of the axial flow fan 101, another corresponding axial flow fan 101 operates, that is, two axial flow fans 101 operate in the cabinet body 5, to cool the interior of the cabinet body 5; when the temperature in the cabinet body 5 is higher than T3, the temperature control switches are all closed, that is, three axial fans 101 operate in the cabinet body 5 to cool the interior of the cabinet body 5.
When the temperature in the cabinet 5 is always maintained at T1 or T2, that is, the corresponding temperature indicating lamp 301 is not turned off for a long time, the inspection personnel can operate the external operation switch 303 according to actual requirements, so that the manual control switch 202 is turned on, the corresponding axial flow fan 101 is operated, and the temperature inside the cabinet 5 is reduced.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. A heat dissipation device of a variable pitch system of a wind generating set comprises a cabinet body, and is characterized in that a heat dissipation mechanism is arranged in the cabinet body and used for dissipating heat inside the cabinet body, wherein,
the heat dissipation mechanism comprises an axial flow fan, a control mechanism is arranged in a control loop of the axial flow fan, and the control mechanism is used for controlling the start and stop of the axial flow fan;
the external portion of the cabinet body is provided with a control panel, and the control panel is electrically connected with the control mechanism and used for controlling the start and stop of the axial fan from the external portion.
2. The heat dissipation device of a pitch system of a wind generating set according to claim 1, wherein the control mechanism comprises a temperature controller and a manual control switch, and the temperature control switch of the temperature controller is connected in parallel with the manual control switch and then connected in series with the control loop of the axial flow fan.
3. The heat dissipation device for the pitch system of the wind generating set according to claim 2, wherein the control panel comprises an external operation switch, and the external operation switch is connected with the manual control switch and used for controlling the manual control switch to be opened or closed; the control panel is also provided with a temperature indicating lamp, and the temperature indicating lamp is connected with the temperature controller through a signal sensor so as to be used for displaying the opening and closing state of the temperature control switch.
4. The heat dissipation device for the pitch system of the wind generating set according to claim 3, wherein a note bag is arranged on one side of the temperature indicator lamp.
5. The heat dissipation device for the pitch system of the wind generating set according to claim 4, wherein the heat dissipation mechanism further comprises a flow guide cover, the flow guide cover is arranged on one side of the axial flow fan far away from the inner wall of the cabinet body, and a detachable filter plate is inserted on the flow guide cover to prevent dust from entering the inside of the cabinet body.
6. The heat dissipation device of claim 5, wherein there are three heat dissipation mechanisms, and the three heat dissipation mechanisms are respectively provided with the temperature controllers, wherein the preset temperatures of the three temperature controllers are respectively T1、T2And T3And satisfy T1<T2<T3。
CN202122075697.7U 2021-08-31 2021-08-31 Radiating device of variable pitch system of wind generating set Expired - Fee Related CN215486359U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122075697.7U CN215486359U (en) 2021-08-31 2021-08-31 Radiating device of variable pitch system of wind generating set

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122075697.7U CN215486359U (en) 2021-08-31 2021-08-31 Radiating device of variable pitch system of wind generating set

Publications (1)

Publication Number Publication Date
CN215486359U true CN215486359U (en) 2022-01-11

Family

ID=79766161

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122075697.7U Expired - Fee Related CN215486359U (en) 2021-08-31 2021-08-31 Radiating device of variable pitch system of wind generating set

Country Status (1)

Country Link
CN (1) CN215486359U (en)

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Granted publication date: 20220111