CN113163669B

CN113163669B - Fan controller

Info

Publication number: CN113163669B
Application number: CN202110179285.XA
Authority: CN
Inventors: 仝瑞士; 李�杰; 邹健; 张洪英; 孔焱
Original assignee: Huaneng Jinan Huangtai Power Generation Co Ltd
Current assignee: Huaneng Jinan Huangtai Power Generation Co Ltd
Priority date: 2021-02-09
Filing date: 2021-02-09
Publication date: 2022-08-30
Anticipated expiration: 2041-02-09
Also published as: CN113163669A

Abstract

The invention discloses a fan controller, which comprises a shell and an electric control element arranged in the shell; a plurality of heat dissipating units comprising: the bottom surface of the heat dissipation cavity is attached to the inner side wall of the shell, and the top surface is laid with a first heat conducting paste layer, a connecting pipe, an air inlet pipe and an air outlet pipe; the plurality of spacers are arranged in the heat dissipation cavity at intervals, and a plurality of heat dissipation fins are arranged at two ends of each airflow channel; each airflow disturbance mechanism comprises a guide plate, a shaft body and fan blades, wherein one end of the guide plate is fixed on one side wall of the airflow channel, the shaft body is positioned at the downstream of the guide plate, and the fan blades are rotatably sleeved on the shaft body; a corrugated disturbance mechanism is arranged between every two adjacent airflow disturbance mechanisms and comprises a plurality of first corrugated cooling fins arranged at intervals and a plurality of flexible blades arranged on the first corrugated cooling fins at intervals. The invention can quickly and efficiently realize the heat dissipation of the electric control element by only giving lower-power electric power resources to the exhaust fan, so that the electric control element can be kept to operate in a low-temperature state.

Description

Fan controller

Technical Field

The invention relates to the technical field of wind power generation control. More particularly, the present invention relates to a fan controller.

Background

With the development and progress of power generation technology, the single machine capacity and installed capacity of the wind generating set are continuously improved, and the maintenance of the wind generating equipment is also particularly important. The problems can be found in advance in the running process of the fan through the fan controller, so that the fan can be maintained pertinently according to relevant information, and the running life of a unit is prolonged. However, the fan controller is a control device integrating data acquisition, data processing and data transmission, and needs to operate uninterruptedly for a long time, and the state of the fan generator set can be better reflected by fault-free operation, so that designing and researching a fan controller capable of maintaining initial operation performance in a long-term uninterrupted operation process is imperative.

Disclosure of Invention

An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.

The invention also aims to provide a fan controller, which can quickly and efficiently realize the heat dissipation of the electric control element by only giving a lower-power electric power resource to the exhaust fan, so that the electric control element can be kept to operate in a low-temperature state, the inherent performance of the electric control element can be kept, and the operation faults can be reduced.

To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided a fan controller including a housing and an electric control element disposed in the housing, including:

a plurality of radiating unit, a plurality of radiating unit intervals set up in on the casing inside wall, each electrical control element of fan controller is installed to the last radiating unit, and every radiating unit includes:

the bottom surface of each heat dissipation cavity is attached to the inner side wall of the shell, a first heat conduction paste layer is laid on the top surface of each heat dissipation cavity, the electric control element is mounted on the first heat conduction paste layer, two adjacent heat dissipation cavities are communicated through a connecting pipe, the upstream side of the heat dissipation cavity positioned at the most upstream is communicated with an air inlet pipe communicated with the outside of the shell, the downstream side of the heat dissipation cavity positioned at the most downstream is provided with an air outlet pipe communicated with the outside of the shell, and the air outlet pipe is provided with an exhaust fan;

the upper side and the lower side of the spacer are fixedly connected with the top surface and the bottom surface of the heat dissipation cavity respectively, a plurality of heat dissipation fins are arranged at two ends of each air flow channel, and two sides of each heat dissipation fin are fixedly connected with the top surface and the bottom surface of the heat dissipation cavity respectively;

the airflow disturbance mechanisms are arranged in the airflow channel at intervals, each airflow disturbance mechanism comprises a guide plate, a shaft body and a fan blade, one end of each guide plate is fixed on one side wall of the airflow channel, the shaft body is positioned at the downstream of the guide plate, and the fan blade is rotatably sleeved on the shaft body;

the corrugated disturbance mechanism comprises a plurality of first corrugated radiating fins and a plurality of flexible blades, the first corrugated radiating fins are arranged at intervals, the flexible blades are arranged on the first corrugated radiating fins, the first corrugated radiating fins are perpendicular to the bottom surface of the radiating cavity, and two sides of each corrugated radiating fin are fixedly connected with the top surface and the bottom surface of the radiating cavity respectively.

Preferably, the connecting pipe, the air inlet pipe and the air outlet pipe are arranged to be matched with connecting wires among the electric control elements, a plurality of grooves are formed in the top of the connecting pipe, the top of the air inlet pipe and the top of the air outlet pipe at intervals along the length direction, the connecting wires are clamped in the grooves, second heat conducting paste layers are laid on the inner surfaces of the top of the connecting pipe, the top of the air inlet pipe and the top of the air outlet pipe, and a plurality of second corrugated cooling fins are arranged in the connecting pipe, the top of the air inlet pipe and the top of the air outlet pipe along the length direction.

Preferably, two adjacent baffles are fixed to both sides of the airflow passage.

Preferably, the deflector is arranged obliquely and at an acute angle to the direction of the gas flow.

Preferably, the fan blade tip is located directly downstream of the notch.

Preferably, the plurality of grooves are different in width and depth.

Preferably, the part of the side wall of the housing, which is located outside the heat dissipation unit, is provided with at least one heat dissipation area, the heat dissipation area comprises a plurality of heat dissipation holes formed in the side wall of the housing, an outer eaves arranged at the upper edges of the heat dissipation holes and protruding towards the outside of the housing, and an inner eaves arranged at the lower edges of the heat dissipation holes and protruding towards the inside of the housing, the outer eaves are obliquely arranged downwards, and the inner eaves are obliquely arranged upwards.

The invention at least comprises the following beneficial effects:

first, through set up the spacer in the heat dissipation cavity, air current disturbance mechanism, ripple disturbance mechanism, with the heat-conduction efficiency between the inside position that has the difference in temperature of increase heat dissipation cavity, and increase the rotary motion and the radial motion of air current, thereby increase air and heat dissipation cavity's contact efficiency, finally only need give the lower power consumption of air exhauster, can high efficiency realize the heat dissipation to electrical control element, make electrical control element keep moving under the low temperature state, thereby keep electrical control element's inherent performance's performance, reduce the operation trouble.

Second, be through wired connection of electric lines between some electric control elements, the electric wire also can produce the heat, though there is not electric control element to heat up much, but long-term uninterrupted use also can save the heat, therefore, the adoption is with the connecting pipe, the intake pipe, the outlet duct is arranged to these electric wire belows, make the electric wire fix to the ditch inslot, during the actual use, the ditch groove size can set up according to the shape of electric wire, thereby the heat that makes the electric wire is the most likely not passed through the air conduction, but pass through the connecting pipe, the intake pipe, the pipe wall conduction of outlet duct, it can improve heat-conduction efficiency to set up the second heat conduction cream layer, it can increase heat-conduction area and heat-conduction efficiency to set up the second ripple fin, finally the two combines the radiating efficiency that can improve the electric wire.

Thirdly, the air in the shell is also influenced by the electric control element and the electric wire, so that the heat quantity of the air is higher than that of the outside air, and the radiating holes are formed in the wall of the shell, so that the air exchange between the inside and the outside of the shell can be promoted, and the radiating effect is achieved. But only set up the louvre, the air exchange in-process is easy to bring external dust into in the casing, long-term effect back, make casing electric control element cover the dust easily to influence electric control element's performance, consequently, set up outer eaves and interior eaves on the louvre, outer eaves can block the dust outside, interior eaves can form the inclined plane, make the dust save on its inclined plane, save when the dust, because the action of gravity, can follow the inclined plane and slide outside the casing, finally reduce the dust and get into in the casing.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a front view of the heat dissipating unit according to one embodiment of the present invention;

FIG. 2 is a transverse cross-sectional view of the heat dissipation chamber according to one embodiment of the present invention;

FIG. 3 is a longitudinal sectional view of the connection pipe according to one embodiment of the present invention;

FIG. 4 is a schematic view of the heat dissipation area of one embodiment of the present invention;

fig. 5 is a detail view of the heat dissipation hole according to one embodiment of the present invention.

Detailed Description

The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.

It is to be noted that the experimental methods described in the following embodiments are all conventional methods unless otherwise specified, and the reagents and materials, if not otherwise specified, are commercially available; in the description of the present invention, the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings only for the convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

As shown in fig. 1 to 5, the present invention provides a fan controller, including a housing 1 and an electric control element disposed in the housing 1, including:

the fan controller comprises a plurality of heat dissipation units, wherein the heat dissipation units are arranged on the inner side wall of the shell 1 at intervals, each electric control element of the fan controller is arranged on each heat dissipation unit, and the electric control elements, such as data acquisition elements, data processing elements and some core control elements of data transmission elements, are arranged on the heat dissipation units, so that heat dissipation can be performed in time, performance exertion of the core control elements caused by overhigh temperature is avoided, faults are reduced, and the service life of the core control elements can be prolonged.

Each heat dissipation unit includes:

the bottom surface of the heat dissipation cavity 2 is attached to the inner side wall of the shell 1, the top surface of the heat dissipation cavity is provided with the first heat conduction paste layer 21, the electric control element is installed on the first heat conduction paste layer 21, the heat conductivity of air is extremely low, the heat conduction paste is not beneficial to leading out heat generated by the electric control element, the heat conduction paste is an excellent heat conduction material, and the heat conduction generated by the electric control element to the heat dissipation cavity 2 can be accelerated remarkably by adopting the first heat conduction paste layer 21. The adjacent two heat dissipation cavities 2 are communicated through a connecting pipe 22, the upstream side of the heat dissipation cavity 2 positioned at the most upstream is communicated with an air inlet pipe, the downstream side of the heat dissipation cavity 2 positioned at the most downstream is provided with an air outlet pipe 23 communicated with the outside of the shell 1, the air inlet pipe is communicated with the outside of the shell 1, and the air outlet pipe 23 is provided with an exhaust fan 24; after the exhaust fan 24 is started, external cold air can enter from the air inlet pipe, sequentially passes through the heat dissipation cavity 2, the connecting pipe 22 and the heat dissipation cavity 2, and is discharged through the air outlet pipe 23, and in the air flow flowing process, the air can take away heat conducted into the heat dissipation cavity 2, so that the first heat conducting paste layer 21 can continuously and quickly conduct heat generated by the electric control element into the heat dissipation cavity 2, and the circulation is repeated, so that the electric control element can be kept running in a low-temperature state, the inherent performance of the electric control element is kept, and the running fault is reduced.

The spacers 25 are arranged in the heat dissipation cavity 2 at intervals to form a plurality of airflow channels 26, the upper and lower sides of each spacer 25 are fixedly connected with the top surface and the bottom surface of the heat dissipation cavity 2, a plurality of heat dissipation fins 27 are arranged at two ends of each airflow channel 26, and two sides of each heat dissipation fin 27 are fixedly connected with the top surface and the bottom surface of the heat dissipation cavity 2; in order to further accelerate the heat conduction speed in the radiator, the spacer 25 is arranged, the spacer 25 is made of materials with high heat conduction, such as copper and iron, the spacer 25 is connected with the top surface and the bottom surface of the radiating cavity 2, the heat conduction of the part with the temperature difference in the radiating cavity 2 can be rapidly realized, the heat conduction area can also be increased, namely, the contact area with air flow is increased, and therefore the heat conduction to air is accelerated, and the radiating efficiency is improved.

The airflow disturbance mechanisms 3 are arranged in the airflow channel 26 at intervals, each airflow disturbance mechanism 3 comprises a guide plate 31, a shaft body 32 and a fan blade 33, one end of each guide plate 31 is fixed on one side wall of the airflow channel 26, the shaft body 32 is located at the downstream of the guide plate 31, and the fan blade 33 is rotatably sleeved on the shaft body 32, wherein a gap is formed between the other end of each guide plate 31 and the other side of the airflow channel 26 to allow air to pass through, the shaft body 32 is perpendicular to the bottom surface of the heat dissipation cavity 2, and two sides of each guide plate 31 are fixedly connected with the top surface and the bottom surface of the heat dissipation cavity 2 respectively; the airflow disturbance mechanism 3 utilizes the principle of airflow dynamics to set up the guide plate 31 in order to change the airflow direction, and centralize the airflow pressure, thereby utilizing the airflow to drive the fan blade 33 to rotate, so, need not additionally to increase power, can disturb the airflow direction, increase the rotary motion flow direction of airflow, thereby increase the contact efficiency of air and heat dissipation cavity 2, improve the radiating efficiency.

A plurality of ripple disturbance mechanism 4 are equipped with a ripple disturbance mechanism 4 between two adjacent air current disturbance mechanism 3, ripple disturbance mechanism 4 include a plurality of interval settings first ripple fin 41 and interval set up in a plurality of flexible blade 42 on the first ripple fin 41, first ripple fin 41 perpendicular to heat dissipation cavity 2 bottom surface, ripple fin both sides respectively with heat dissipation cavity 2's top surface and bottom surface rigid coupling. Ripple disturbance mechanism 4 is through setting up first ripple fin 41, can realize fast on the one hand that heat conduction at the inside position that has the difference in temperature of heat dissipation cavity 2 also can increase heat conduction area, promptly with the area of contact of air current, and on the other hand, the ripple shape can disturb the air current flow direction, makes the air current have radial interference to increase the contact efficiency of air and heat dissipation cavity 2, improve the radiating efficiency.

In the above technical scheme, through set up spacer 25 in heat dissipation cavity 2, air current disturbance mechanism 3, ripple disturbance mechanism 4, in order to increase the heat conduction efficiency between the position that heat dissipation cavity 2 inside has the difference in temperature, and increase the rotary motion and the radial motion of air current, thereby increase the contact efficiency of air and heat dissipation cavity 2, finally only need give the power resource of 24 individual powers of air exhauster, can high efficiency realize the heat dissipation to electric control element, make electric control element keep moving under the low temperature state, thereby keep the performance of electric control element's inherent performance, reduce the operation trouble.

In another technical solution, the arrangement of the connecting pipe 22, the air inlet pipe and the air outlet pipe 23 is matched with connecting wires among the electric control elements, a plurality of grooves 51 are formed at intervals along the length direction at the top of the connecting pipe 22, the air inlet pipe and the air outlet pipe 23, the connecting wires are clamped in the grooves 51, a second heat conducting paste layer 52 is laid on the inner surface of the top of the connecting pipe 22, the air inlet pipe and the air outlet pipe 23, and a plurality of second corrugated cooling fins 53 are arranged in the connecting pipe 22, the air inlet pipe and the air outlet pipe 23 along the length direction.

In the above technical solution, some electric control elements are connected by wired wires, the wires also generate heat, and no electric control element heats up more, but heat can be accumulated in long-term uninterrupted use, therefore, the connecting pipe 22, the air inlet pipe and the air outlet pipe 23 are arranged below the wires, so that the wires are fixed in the groove 51, in practical use, the size of the groove 51 can be set according to the shape of the wires, so that the heat of the wires is conducted as far as possible without passing through the air, but conducted through the pipe walls of the connecting pipe 22, the air inlet pipe and the air outlet pipe 23, the second heat conductive paste layer 52 can improve the heat conduction efficiency, the second corrugated fins 53 can increase the heat conduction area and the heat conduction efficiency, and finally the heat dissipation efficiency of the wires can be improved by combining the two.

In another solution, two adjacent baffles 31 are fixed on both sides of the airflow channel 26. This can make the rotation directions of two adjacent blades 33 opposite, thereby further increasing the complexity of the rotation direction of the airflow, and thus improving the heat dissipation efficiency.

In another technical solution, the baffle 31 is disposed obliquely, and the baffle 31 forms an acute angle with the airflow direction. When the airflow flows from a large aperture to a small aperture, the airflow is reduced to flow in the reverse direction, so that the airflow pressure at the notch can be enhanced, and the rotation speed of the fan blade 33 is higher.

In another embodiment, the end of fan blade 33 is located just downstream of the notch. The airflow is applied to the end of fan blade 33, which helps to increase the rotation speed of fan blade 33.

In another embodiment, the plurality of grooves 51 have different widths and depths. So as to adapt to the electric wires with different sizes, thereby increasing the contact area between the electric wires and the pipe walls of the connecting pipe 22, the air inlet pipe and the air outlet pipe 23.

In another technical solution, at least one heat dissipation area is disposed on a portion of the sidewall of the housing 1, which is located outside the heat dissipation unit, and the heat dissipation area includes a plurality of heat dissipation holes 61 opened on the sidewall of the housing 1, an outer eaves 62 disposed at an upper edge of the heat dissipation holes 61 and protruding toward the outside of the housing 1, and an inner eaves 63 disposed at a lower edge of the heat dissipation holes 61 and protruding toward the inside of the housing 1, wherein the outer eaves 62 are disposed obliquely downward, and the inner eaves 63 are disposed obliquely upward.

In the above technical scheme, the air in the casing 1 can also be influenced by the electric control element and the electric wire, thereby having a heat higher than the outside air, to this, set up the louvre 61 on the wall of the casing 1, can promote the air exchange inside and outside the casing 1, thereby reach radiating effect, but only set up the louvre 61, easily bring the external dust into the casing 1 in the air exchange process, after long-term effect, make the electric control element cover the dust in the casing 1 easily, thereby influence the performance of the electric control element, therefore, set up outer eaves 62 and interior eaves 63 on the louvre 61, outer eaves 62 can block the dust outside, interior eaves 63 can form the inclined plane, make the dust collect on its inclined plane, when the dust collect much, because of the action of gravity, can slide outside the casing 1 along the inclined plane, finally reduce the dust and get into in the casing 1.

While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.

Claims

1. Fan controller, including the casing with set up in automatically controlled component in the casing, its characterized in that includes:

the corrugated disturbance mechanism is arranged between two adjacent airflow disturbance mechanisms and comprises a plurality of first corrugated radiating fins arranged at intervals and a plurality of flexible blades arranged on the first corrugated radiating fins at intervals, the first corrugated radiating fins are perpendicular to the bottom surface of the radiating cavity, and two sides of each corrugated radiating fin are fixedly connected with the top surface and the bottom surface of the radiating cavity respectively;

the connecting pipe, the air inlet pipe and the air outlet pipe are arranged to be matched with connecting wires among all electric control elements, a plurality of grooves are formed in the top of the connecting pipe, the top of the air inlet pipe and the top of the air outlet pipe at intervals along the length direction, the connecting wires are clamped in the grooves, a second heat conducting paste layer is laid on the inner surface of the top of the connecting pipe, the inner surface of the top of the air inlet pipe and the top of the air outlet pipe, and a plurality of second corrugated radiating fins are arranged in the connecting pipe, the inner surface of the air inlet pipe and the inner surface of the top of the air outlet pipe along the length direction;

the lateral wall of casing is located the part outside the radiating unit is equipped with at least one radiating area, the radiating area including set up in a plurality of louvres on the casing lateral wall, set up in louvre upper edge department and orientation the outside convex outer eaves of casing, set up in louvre lower edge department and orientation the inside convex interior eaves of casing, outer eaves sets up downwards to one side, interior eaves sets up in the slant.

2. The fan controller of claim 1 wherein adjacent baffles are secured to both sides of the airflow passage.

3. The fan controller of claim 1 wherein the baffle is angled and the baffle is at an acute angle to the direction of airflow.

4. The fan controller of claim 1 wherein the fan blade tip is located directly downstream of the notch.

5. The fan controller of claim 1 wherein the plurality of grooves are each of a different width and depth.