CN210769403U - Cooling type fan - Google Patents
Cooling type fan Download PDFInfo
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- CN210769403U CN210769403U CN201921359464.6U CN201921359464U CN210769403U CN 210769403 U CN210769403 U CN 210769403U CN 201921359464 U CN201921359464 U CN 201921359464U CN 210769403 U CN210769403 U CN 210769403U
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Abstract
The application discloses a cooling type fan, which comprises a fan host and a frequency converter, wherein the fan host and the frequency converter are both positioned in a case, the fan host is arranged in the fan case, and a main air inlet end is arranged in a region which is arranged on one side surface of the case and is close to the top of the case; the bottom of the fan case is provided with a first air channel inlet, a first gap is formed between the top of the frequency converter and the outer surface of the fan case, a second gap is formed between the side face of the case, provided with the main air inlet end, of the case and the outer surface of the fan case, the first gap and the second gap are communicated, an air inlet channel of the fan host is formed between the gap and the main air inlet end as well as between the gap and the air channel inlet, and the frequency converter is located in the air inlet channel. Through installing the converter in the air inlet duct of fan host computer among this technical scheme, rationalize the improvement to the structure of fan, utilize the air inlet system of fan itself, cool off the fan converter, the cooling effect reinforcing.
Description
Technical Field
The application belongs to the technical field of fan structures, and particularly relates to a cooling type fan.
Background
The fan is a driven fluid machine which increases the gas pressure and discharges the gas by means of the input mechanical energy. The fan comprises a ventilator, a blower and a wind driven generator according to types, the fan frequency converter is a special frequency converter customized for various fans, and a variable frequency speed regulation control device is adopted to change the air volume of the fan to adapt to the requirements of the production process by changing the rotating speed of the fan.
The common structural style of current fan is mostly motor and converter and separately installs like the air-blower, separately refrigerated structural style, and such structure needs the converter to have independent cooling system, can consume partly electric energy, and the energy consumption is higher, and the cooling effect is not good.
Based on this, a cooling type fan is researched and developed and designed.
SUMMERY OF THE UTILITY MODEL
The main aim at of this application solves one of above-mentioned technical problem, provides a cooling type fan, saves the cooling system of converter, installs the converter in the air duct that admits air of fan cooling fan host computer, make full use of the air inlet system of fan itself, the cooling to the converter is realized to the while, and cooling efficiency improves, has solved among the prior art converter, fan motor and has adopted independent cooling system, and separately cooling energy consumption is high, cooling effect subalternation technical problem.
In order to achieve the above object, the present application provides the following technical solutions:
a cooling type fan comprises a fan host and a frequency converter, wherein the fan host and the frequency converter are both positioned in a fan case, the fan host is arranged in the fan case, and a main air inlet end is arranged in a region which is arranged on one side surface of the fan case and is close to the top of the fan case; the bottom of the fan case is provided with a first air channel inlet, a first gap is formed between the top of the frequency converter and the outer surface of the fan case, a second gap is formed between the side face of the case, provided with the main air inlet end, of the case and the outer surface of the fan case, the first gap and the second gap are communicated, an air inlet channel of the fan host is formed between the gap and the main air inlet end as well as between the gap and the air channel inlet, and the frequency converter is located in the air inlet channel.
The working principle of the cooling type fan in the technical scheme is as follows: the external air enters the second gap area through the main air inlet end and then enters the first gap area, then enters the fan case through the first air channel inlet, sucks air, converts kinetic energy of air flow into pressure energy, the first gap area, the second gap area and the first air channel inlet form an air inlet air channel of the fan main machine, the frequency converter is installed in the air inlet air channel of the fan main machine, then the air entering from the main air inlet end passes through the frequency converter and then enters the first air channel inlet, and in the process of passing through the frequency converter, the frequency converter can be effectively cooled.
The frequency converter is arranged in the air inlet duct, the frequency converter can be arranged at various positions, for example, the frequency converter is arranged below the bottom of the fan case or on the side surface of the case where the main air inlet end is located, the two modes have installation feasibility, and the frequency converter is preferably arranged on the bottom surface of the case and located below the fan case or the fan main unit in view of the operation stability of the frequency converter.
The specific structure of main air inlet end in this technical scheme can be for installing the grid window of filter pulp, the specific structure of first wind channel entry can be the fresh air inlet also can be other structures, can realize that the through-hole that the inhaled air got into all can. The first gap and the second gap have the same structure, namely, a space is formed between the first gap and the second gap and is used as a flow channel of outside air in the case.
The specific structure and the working principle of the fan host, the frequency converter, the case and the fan case in the technical scheme are the prior art, namely the prior conventional structure can be adopted, and the working principle is known by those skilled in the art and is not described in detail.
Furthermore, the frequency converter is installed below the fan host, and a first gap is formed between the top of the frequency converter and the lower bottom surface of the fan case.
Furthermore, an auxiliary air inlet end is arranged on the side surface of the case opposite to the side surface of the main air inlet end, and the auxiliary air inlet end is positioned at the bottom close to the case. The concrete structure of supplementary air inlet end can be for installing the grid window of crossing the filter pulp, and the setting of supplementary air inlet end can do benefit to the outside air and get into from this air intake simultaneously, and combines the position that supplementary air inlet end set up, then can regard as another inlet channel who gets into fan machine case, and the air current in this inlet channel can carry out further cooling to the converter simultaneously, strengthens the cooling effect of converter.
Furthermore, a third gap is formed between the side face of the case where the auxiliary air inlet end is located and the frequency converter, and the third gap is communicated with the second gap. The third gap and the second gap are identical in structure, the third gap, the second gap, the auxiliary air inlet end and the first air channel inlet form another air inlet channel, the frequency converter is located in the air inlet channel, when entering air is in contact with the frequency converter, the contact area is increased, and the cooling effect is enhanced.
Furthermore, a second air duct inlet is formed in the side face, close to the auxiliary air inlet end, of the fan case, a fourth gap is formed between the side face, where the second air duct inlet is located, of the fan case and the side face, where the auxiliary air inlet end is located, of the fan case, and an air duct for cooling the fan main unit is formed among the fourth gap, the auxiliary air inlet end and the second air duct inlet.
Furthermore, the horizontal plane where the bottom of the case is located is used as a reference plane, and the lowest point of the second air duct inlet is higher than the highest point of the auxiliary air inlet end. .
Furthermore, a partition is arranged between the bottom end of the side surface where the second air duct inlet is located and the bottom of the case, the partition divides a space between the frequency converter and the side surface of the case where the auxiliary air inlet end is located into two parts, and a third air duct inlet is arranged on the partition.
Furthermore, the bottom surface of the chassis is taken as a reference surface, and the highest point of the third air duct inlet is lower than the lowest point of the auxiliary air inlet end.
Furthermore, a ventilation air duct is arranged on the bottom surface of the case, and a fan outlet end of the fan host is located outside the case.
Further, the frequency converter is located in the frequency converter casing.
The beneficial effects of the utility model reside in that:
(1) through installing the converter in the air inlet duct of fan host computer among this technical scheme, rationalize the improvement to the structure of fan, utilize the air inlet system of fan itself, cool off the fan converter, the cooling effect reinforcing.
(2) According to the technical scheme, the frequency converter omits an independent cooling system required in the prior art, so that electric energy consumption can not be generated additionally in the cooling process, and the performance and efficiency of the fan are improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and their description illustrate the embodiments of the invention and do not limit it. In the drawings:
fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of the gas flow direction in the present invention;
the drawings are numbered as follows: 1-case, 2-fan main unit, 3-frequency converter, 4-auxiliary air inlet end, 5-main air inlet end, 6-fan outlet end, 7-frequency converter case and 8-fan case.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in 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 only partial embodiments of the present application, but not all 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 application.
It should be noted that the terms "mounted," "disposed," "provided," "connected," and "sleeved" should be understood in a broad sense. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Example 1:
as shown in fig. 1 and 2, a cooling fan comprises a fan main unit 2 and a frequency converter 3, wherein the fan main unit 2 and the frequency converter 3 are both located in a case 1, the fan main unit 2 is installed in a fan case 8, and a main air inlet end 5 is arranged in an area on one side surface of the case 1 and close to the top of the case 1; the bottom of fan machine case 8 is equipped with first wind channel entry, is equipped with clearance one between the top of converter 3 and the surface of fan machine case 8, is equipped with clearance two between the side that machine case 1 is equipped with main air inlet end 5 and the surface of fan machine case 8, clearance one, clearance two intercommunication, and with main air inlet end 5, the wind channel entry between form the air inlet duct of fan host computer 2, converter 3 is arranged in the air inlet duct.
Specifically, the frequency converter 3 is installed below the fan main unit 2, and a first gap is formed between the top of the frequency converter 3 and the lower bottom surface of the fan case 8.
In the embodiment, the external air enters through the main air inlet end 5, sequentially passes through the second gap and the first gap, then enters the fan case 8 through the first air duct inlet, and is sucked into the fan main machine 2 to start energy conversion; in the first air inlet area, the temperature of air entering from the outside is generally lower, the temperature of the frequency converter in operation is higher, and in the first air inlet area, the frequency converter and the air exchange to finish the cooling process without influencing the work of an air inlet system of the fan.
This embodiment installs converter 3 in the below of fan host computer 2, and the mounted position of converter does benefit to the operating stability and the installation degree of stability of converter. Meanwhile, a first gap exists between the top of the frequency converter 3 and the lower bottom surface of the fan case 8, namely the first gap is a horizontal space, and the first air duct inlet is located at the bottom of the fan case 8, so that the entering air is favorably swirled in the first gap area, the contact time of the entering low-temperature air and the high-temperature frequency converter is prolonged, and the cooling efficiency is enhanced.
Meanwhile, the main air inlet end 5 is arranged on one side surface of the case 1 and is close to the area of the top of the case 1, so that the interval of an air inlet system of the fan host is relatively prolonged, and the retention time of air in the area is prolonged. Other structures and operation principles related to the present embodiment are well known to those skilled in the art and will not be described in detail.
Example 2:
in this embodiment, on the basis of embodiment 1, it is preferable that the main air inlet 5 is provided with an auxiliary air inlet 4 on the side surface opposite to the side surface of the case 8, and the auxiliary air inlet 4 is close to the bottom of the case 1.
And a third gap is formed between the side surface of the case 1 where the auxiliary air inlet end 4 is located and the frequency converter 3, and the third gap is communicated with the second gap.
In this embodiment, the external air enters from the auxiliary air inlet end 4, enters into the third gap area and the second gap area in sequence, and then enters into the fan case through the first channel inlet, and then the auxiliary air inlet end 4, the third gap area, the second gap area and the first air channel inlet form an air inlet system of another fan host machine, and when a large amount of air is provided for the fan host machine, the frequency converter is simultaneously located in the air inlet system, and then on the basis of the air inlet system in embodiment 1, the two air inlet systems can make 360-degree contact with the whole surface of the frequency converter, and the cooling effect is greatly improved.
In the present embodiment, the third gap and the second gap have the same structure, and are not described in detail.
Example 3:
this embodiment is further limited on the basis of the above-mentioned embodiment, be equipped with second wind channel entry on the side of fan machine case 8 near auxiliary air inlet end 4, and be equipped with the clearance four between the side of second wind channel entry place fan machine case 8 and auxiliary air inlet end 4 place side, form the wind channel of cooling blower host computer between clearance four, auxiliary air inlet end 4, the second wind channel entry.
The horizontal plane of the bottom of the case 1 is used as a reference plane, and the lowest point of the second air duct inlet is higher than the highest point of the auxiliary air inlet 4.
In this embodiment, the second air duct inlet is arranged, so that the air inlet system formed among the auxiliary air inlet 4, the gap four and the second air duct inlet is additionally provided with a channel which quickly enters the fan main unit, and more air is blown into the fan main unit. And the setting of the second air duct inlet position height in this embodiment is favorable to the formation of the air inlet system among the auxiliary air inlet end 4, the gap four and the second air duct inlet.
Other structures and operation principles related to the present embodiment are well known to those skilled in the art and will not be described in detail.
Example 4:
the embodiment is further limited on the basis of the above embodiment, a partition is arranged between the bottom end of the side surface where the second air duct inlet is located and the bottom of the case 1, the partition divides the space between the frequency converter 3 and the side surface of the case 1 where the auxiliary air inlet end 4 is located into two parts, and a third air duct inlet is arranged on the partition.
The bottom surface of the chassis 1 is used as a reference surface, and the highest point of the third air duct inlet is lower than the lowest point of the auxiliary air inlet 4.
In this embodiment, an air inlet system is formed among the third air duct inlet, the auxiliary air inlet end 4, the third air duct inlet, and the first air duct inlet, and can perform enhanced cooling on the frequency converter. The structure of the third air duct inlet is the same as that of the first air duct inlet.
The partition in this embodiment may be a baffle, or an extension plate of a side panel where the second air duct inlet is located, where the extension plate extends to the bottom of the chassis.
The specific structure and the operation principle related to the present embodiment are well known to those skilled in the art, and will not be described in detail.
Example 5:
in this embodiment, based on the above embodiments, a ventilation duct is disposed on the bottom surface of the chassis 1, and the fan outlet end 6 of the fan main unit 2 is located outside the chassis 1. The frequency converter 3 is located in a frequency converter housing 7.
The bottom of the case 1 is provided with a ventilation air duct, and outside air can enter from the ventilation air duct, so that heat dissipation is facilitated. The fan outlet end 6 is used as an air channel for discharging after the fan main machine operates.
The specific structures of the fan outlet end 6 and the ventilation air duct and the working principle thereof described in this embodiment are well known to those skilled in the art, and will not be described in detail.
The fan case, the frequency converter housing and the specific structure of the case in the above embodiments may be box structures, or may be other box structures for respectively accommodating the fan structure, the frequency converter, the fan and the frequency converter.
The above description is only a preferred embodiment of the present application and is not intended to limit 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.
Claims (10)
1. A cooling type fan is characterized by comprising a fan host (2) and a frequency converter (3), wherein the fan host (2) and the frequency converter (3) are both positioned in a case (1), the fan host (2) is installed in a fan case (8), and a main air inlet end (5) is arranged on one side surface of the case (1) and in an area close to the top of the case (1); the bottom of fan machine case (8) is equipped with first wind channel entry, is equipped with clearance one between the top of converter (3) and the surface of fan machine case (8), is equipped with clearance two between the side that machine case (1) was equipped with main air inlet end (5) and the surface of fan machine case (8), clearance one, clearance two intercommunication, and with main air inlet end (5), the wind channel that admits air that forms fan host computer (2) between the wind channel entry, converter (3) are arranged in the wind channel that admits air.
2. The cooling fan as claimed in claim 1, wherein: the frequency converter (3) is installed below the fan host (2), and a first gap is formed between the top of the frequency converter (3) and the lower bottom surface of the fan case (8).
3. The cooling fan as claimed in claim 1, wherein: and an auxiliary air inlet end (4) is arranged on the side surface of the main air inlet end (5) opposite to the side surface of the case (8), and the auxiliary air inlet end (4) is positioned at the bottom close to the case (1).
4. A cooling fan according to claim 3, wherein: and a third gap is formed between the side surface of the case (1) where the auxiliary air inlet end (4) is located and the frequency converter (3), and the third gap is communicated with the second gap.
5. A cooling type fan according to claim 3 or 4, wherein: a second air channel inlet is formed in the side face, close to the auxiliary air inlet end (4), of the fan case (8), a fourth gap is formed between the side face, where the second air channel inlet is located, of the fan case (8) and the side face, where the auxiliary air inlet end (4) is located, of the fan case, and an air channel of the cooling fan host is formed among the fourth gap, the auxiliary air inlet end (4) and the second air channel inlet.
6. The cooling fan as claimed in claim 5, wherein: the horizontal plane where the bottom of the case (1) is located is used as a reference plane, and the lowest point of the second air duct inlet is higher than the highest point of the auxiliary air inlet end (4).
7. The cooling fan as claimed in claim 5, wherein: and a partition is arranged between the bottom end of the side surface where the second air duct inlet is arranged and the bottom of the case (1), the partition divides a space between the frequency converter (3) and the side surface of the case (1) where the auxiliary air inlet end (4) is arranged into two parts, and a third air duct inlet is arranged on the partition.
8. The cooling fan as claimed in claim 7, wherein: the bottom surface of the case (1) is used as a reference surface, and the highest point of the third air duct inlet is lower than the lowest point of the auxiliary air inlet end (4).
9. The cooling fan as claimed in claim 1, wherein: the bottom surface of the case (1) is provided with a ventilation air duct, and a fan outlet end (6) of the fan main machine (2) is positioned outside the case (1).
10. The cooling fan as claimed in claim 1, wherein: the frequency converter (3) is positioned in a frequency converter shell (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921359464.6U CN210769403U (en) | 2019-08-20 | 2019-08-20 | Cooling type fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921359464.6U CN210769403U (en) | 2019-08-20 | 2019-08-20 | Cooling type fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210769403U true CN210769403U (en) | 2020-06-16 |
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ID=71048243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921359464.6U Active CN210769403U (en) | 2019-08-20 | 2019-08-20 | Cooling type fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210769403U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114087213A (en) * | 2021-09-30 | 2022-02-25 | 上海仁创环境科技有限公司 | Suspension bearing blower with cooling fan driven by single air inlet and main working motor |
-
2019
- 2019-08-20 CN CN201921359464.6U patent/CN210769403U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114087213A (en) * | 2021-09-30 | 2022-02-25 | 上海仁创环境科技有限公司 | Suspension bearing blower with cooling fan driven by single air inlet and main working motor |
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