CN209838718U - Fan and current collector thereof - Google Patents
Fan and current collector thereof Download PDFInfo
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- CN209838718U CN209838718U CN201920318844.9U CN201920318844U CN209838718U CN 209838718 U CN209838718 U CN 209838718U CN 201920318844 U CN201920318844 U CN 201920318844U CN 209838718 U CN209838718 U CN 209838718U
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- 230000002093 peripheral effect Effects 0.000 claims abstract description 13
- 238000009826 distribution Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000009828 non-uniform distribution Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a fan collector, including the casing, be provided with the body that is used for supplying the main shaft to pass in the casing, be provided with the broken vortex board that a plurality of and the wind current direction is parallel on the body, and cut apart into a plurality of passageway with the wind channel of casing, the other end of broken vortex board is connected with the inner peripheral surface of casing. The vortex breaking plate is parallel to the direction of the wind flow, plays a role in guiding the flow, can divide the air channel of the shell, namely divides the wind flow, enables gas to uniformly enter the impeller, one end of the vortex breaking plate is connected with the inner circumferential surface of the shell, the other end of the vortex breaking plate is connected with the pipe body, the vortex breaking plate is stably connected and fixed, and the vortex breaking plate perpendicular to the inner circumferential surface of the shell can be prevented from rotating in a wind flow collector to generate vortex, so that the vibration and the noise of the fan caused by the uneven distribution of the vortex or the air flow are reduced, and the double-suction double-support fan is suitable for a high-flow-speed and high-pressure head. The utility model also discloses a fan of including above-mentioned fan collector.
Description
Technical Field
The utility model relates to a fan equipment technical field, more specifically say, relate to a fan collector. Furthermore, the utility model discloses still relate to a fan including above-mentioned fan collector.
Background
For some fans with large flow and high pressure heads, a double-suction double-support form is generally adopted due to the large diameter of an impeller; because the span between the bearings is large, the service life of the bearings and the critical rotating speed of the main shaft are very unfavorable, generally, in order to shorten the span between the bearings, the axial size of the current collector in the prior art needs to be shortened as much as possible while the flow area of the air inlet box is kept, so that the axial size of the current collector in the prior art is short, gas can be short and short when passing through the current collector, the effect of steady flow cannot be realized, and the phenomenon of vortex or uneven distribution of the gas flow is easily generated in the gas flow entering the impeller, and the vibration of the fan and the noise of the vortex are caused.
In summary, it is an urgent need to solve the problem of how to avoid the occurrence of turbulence or uneven distribution of the air flow passing through the collector.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a fan collector can carry out the water conservancy diversion reposition of redundant personnel to the distinguished and admirable, makes its even steady flow.
Another object of the utility model is to provide a fan including above-mentioned fan collector.
In order to achieve the above object, the present invention provides the following technical solutions:
a fan collector comprises a shell, wherein a pipe body for a main shaft to penetrate through is arranged in the shell, a plurality of vortex breaking plates which are parallel to the air flow direction and divide an air channel of the shell into a plurality of channels are arranged on the pipe body, and the other ends of the vortex breaking plates are connected with the inner peripheral surface of the shell.
Preferably, the housing is a tapered housing, and the top end surface of the vortex breaking plate is an inclined surface matched with the inner circumferential surface of the tapered housing.
Preferably, the vortex breaking plate comprises a sloping plate part connected with the inner circumferential surface of the tapered shell and a flow guide part connected with the sloping plate part and used for guiding flow, and the width of the flow guide part is greater than that of the sloping plate part.
Preferably, the inclined plate portion is welded to an inner peripheral surface of the tapered housing.
Preferably, a fixing clamp plate matched with the inclined plate part and used for clamping the inclined plate part is arranged on the inner circumferential surface of the conical tapered shell.
Preferably, the number of the vortex breaking plates is six, and the vortex breaking plates are uniformly distributed along the periphery of the pipe body.
Preferably, the body is split type body, including last semicircle pipe and lower semicircle pipe, last semicircle pipe with pass through flange joint between the semicircle pipe down.
A fan comprises an air inlet box, wherein an air outlet of the air inlet box is connected with any one of the fan current collectors.
The utility model provides a fan collector, including the casing, be provided with the body that is used for supplying the main shaft to pass in the casing, be provided with the broken vortex board that a plurality of and the wind current direction is parallel on the body, and cut apart into a plurality of passageway with the wind channel of casing, the other end of broken vortex board is connected with the inner peripheral surface of casing.
The vortex breaking plate is parallel to the direction of the wind flow, plays a role in guiding the flow, can divide the air channel of the shell, namely divides the wind flow, enables gas to uniformly enter the impeller, one end of the vortex breaking plate is connected with the inner peripheral surface of the shell, the other end of the vortex breaking plate is connected with the pipe body, and is fixedly and stably connected.
The utility model also provides a fan including above-mentioned fan collector, the wind current is even stable.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic view illustrating an installation of a fan collector according to the present invention;
fig. 2 is a schematic structural view of a fan collector provided by the present invention;
fig. 3 is a schematic structural diagram of the housing provided by the present invention;
fig. 4 is a front view of the vortex breaking plate provided by the present invention;
fig. 5 is a side view of the vortex breaking plate provided by the present invention.
In FIGS. 1-5:
the device comprises a shell 1, a main shaft 2, an impeller 3, a fixed clamping plate 4, a vortex breaking plate 5, a pipe body 6, a flange 7 and an air inlet box 8.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The core of the utility model is to provide a fan collector can carry out the water conservancy diversion reposition of redundant personnel to the distinguished and admirable, makes its even stable flow. The utility model discloses a another core provides a fan including above-mentioned fan collector.
Referring to fig. 1 to 5, fig. 1 is a schematic view illustrating an installation of a fan collector according to the present invention; fig. 2 is a schematic structural view of a fan collector provided by the present invention; fig. 3 is a schematic structural diagram of the housing provided by the present invention; fig. 4 is a front view of the vortex breaking plate provided by the present invention; fig. 5 is a side view of the vortex breaking plate provided by the present invention.
The utility model provides a fan collector, including casing 1, be provided with the body 6 that is used for supplying main shaft 2 to pass in the casing 1, be provided with the broken vortex board 5 that a plurality of and the wind flow direction is parallel, and cut apart into a plurality of passageway with casing 1's wind channel on the body 6, the other end of broken vortex board 5 is connected with casing 1's inner peripheral surface.
The shell 1 is a sealing structure for providing an air duct for the air flow, and can be in a cylindrical structure, a conical structure, an arc-shaped structure and other structural forms, the common three forms of the arc-shaped structure, the conical structure and the cylindrical structure have little influence on pressure rise, the total pressure efficiency is generally the highest in the form of the arc-shaped structure, and the conical structure is the worst in the form of the cylindrical structure. The shell 1 and the streamline cover form a tapered runner together, so that the airflow is accelerated, and a uniform speed field and a uniform pressure field are established in front of the inlet of the fan, so that the flow loss is reduced, and the efficiency of the fan is improved.
The vortex breaking plate 5 is generally a strip-shaped plate body, the thickness of the vortex breaking plate is not too large, so that the vortex breaking plate is prevented from blocking wind flow to cause large flow loss, the vortex breaking plate 5 is arranged in a direction parallel to the wind flow, the effect of guiding the wind flow can be achieved, and the wind flow is prevented from circling around in the current collector to form a vortex.
It can be understood that, since the main shaft 2 needs to pass through the collector, and the vortex breaking plate 5 cannot be connected and fixed with the rotating main shaft 2, the tube 6 is provided to fix one end of the vortex breaking plate 5, and it should be noted that the radius of the tube 6 needs to be slightly larger than that of the main shaft 2, so as to prevent the tube 6 from colliding with the main shaft 2 and causing damage.
The one end of each broken vortex board 5 is connected with the inner peripheral surface of casing 1, and the other end is connected with body 6, cuts apart into a plurality of passageway with casing 1's wind channel for the wind current is shunted when the process, improves the stability of wind current, and of course, broken vortex board 5's specific quantity should not be too much, and too much can cause great flow loss, and can influence the velocity of flow of wind current.
Therefore, when the wind flow passes through the current collector, the wind flow uniformly flows through the diversion and the flow dividing effect of the vortex breaking plate 5, and the wind flow can be prevented from rotating in the current collector to generate vortex, so that the vibration and the noise of the fan caused by the non-uniform distribution of the vortex or the air flow are reduced, the double-suction double-support fan is particularly suitable for a double-suction double-support fan with high flow speed and high pressure head, and the double-suction double-support fan is simple in structure and convenient to assemble and disassemble.
In one embodiment of the housing 1, the housing 1 is a tapered housing, and the top end surface of the vortex breaking plate 5 is an inclined surface matching the inner peripheral surface of the tapered housing.
It can be understood that, because the cross-sectional area of the tapered housing is gradually reduced along the axial direction, the speed of the wind flow passing through the tapered housing is increased, and it is ensured that the wind flow can smoothly enter the impeller 3, and the inner circumferential surface of the tapered housing is an inclined surface, so as to avoid the wind flow loss caused by the gap at the joint of the vortex breaking plate 5 and the inner circumferential surface of the tapered housing, therefore, the top end surface of the vortex breaking plate 5 is set to be an inclined surface matched with the inner circumferential surface of the tapered housing, that is, the inclination of the two is the same, of course, the structural form of the housing 1 is not limited to the above form, and a cylindrical housing and other structures can be adopted, and it should be noted that the shape of the vortex breaking plate 5 can.
In one embodiment of the vortex breaker plate 5, the vortex breaker plate 5 includes a sloping plate portion for connecting with the inner circumferential surface of the tapered housing and a flow guide portion connected with the sloping plate portion for guiding flow, and the width of the flow guide portion is greater than that of the sloping plate portion.
Wherein, the portion that the bevel board portion is connected with the inner peripheral surface of toper convergent casing promptly broken vortex board 5, it is relatively short, and water conservancy diversion portion is for being used for cutting apart the structure that the wind current flows and carries out the water conservancy diversion to the wind current after cutting apart, with the width of water conservancy diversion portion greater than the width of bevel board portion, be for reduce cost, and make the wind current have sufficient flow path when passing through water conservancy diversion portion, and become stable even, of course, broken vortex board 5's structural style does not have specific limitation, as long as can cut apart the wind current, make its even stable structural style all can be applied to in the technical scheme that the utility model provides an.
Preferably, the inclined plate portion is welded to an inner peripheral surface of the tapered housing. Welded joint strength is great, not fragile drops, of course, it is corresponding, it is also inconvenient to carry out the dismouting to broken vortex board 5 in the welding, maintain, the user can select the connected mode of the inner peripheral surface of swash plate portion and toper convergent casing according to actual conditions, for example, can set up on the inner peripheral surface of toper convergent casing and match with swash plate portion, a fixed splint 4 for pressing from both sides tight swash plate portion, fixed splint 4 is the plate body of two relative settings, be provided with between the two plate bodies and make swash plate portion male clearance just, and set up the screw hole on the corresponding position of two plate bodies and swash plate portion respectively, press from both sides tight swash plate portion and be fixed in between the two splint through the bolt, also can adopt modes such as splice to connect.
On the basis of the above embodiment, the number of the vortex breaking plates 5 is six, and each of the vortex breaking plates 5 is uniformly distributed along the outer circumference of the pipe body 6.
It can be understood that, since the number of the vortex breaking plates 5 is six, the wind flow passing through the casing 1 is divided into 6 smaller wind flows, so that the stability of the wind flow entering the impeller 3 is improved, certainly, the number of the vortex breaking plates 5 is not particularly limited, a user can select the vortex breaking plates according to the size of the casing 1, the vortex breaking plates are not easy to be too small, the flow guiding and stabilizing effect is influenced if the vortex breaking plates are too small, and the wind flow is also greatly subjected to flow loss if the vortex breaking plates are too large.
In one embodiment about pipe body 6, pipe body 6 is a split type pipe body, and includes an upper semicircular pipe and a lower semicircular pipe, which are connected by a flange 7.
Wherein, body 6 adopts split type body can convenience of customers to install and dismantle broken vortex board 5, and the user can be earlier with broken vortex board 5 respectively with first semicircle pipe and lower semicircle union coupling, again with first semicircle pipe and lower semicircle pipe suit in the main shaft 2 outside and through flange 7 connection, of course, also can connect through setting elements such as locating pin.
Except above-mentioned fan collector, the utility model discloses still provide a fan including the fan collector that above-mentioned embodiment is disclosed, including air inlet box 8, the gas outlet and the foretell fan collector of air inlet box 8 are connected, and prior art is referred to the structure of other each parts of this fan, and this text is no longer repeated.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
It is right above the utility model provides a fan and fan collector have carried out detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (8)
1. The fan collector is characterized by comprising a shell (1), wherein a pipe body (6) for a main shaft (2) to penetrate through is arranged in the shell (1), a plurality of vortex breaking plates (5) which are parallel to the air flow direction and divide the air channel of the shell (1) into a plurality of channels are arranged on the pipe body (6), and the other ends of the vortex breaking plates (5) are connected with the inner circumferential surface of the shell (1).
2. The blower collector according to claim 1, wherein the shell (1) is a conical tapered shell, and the top end surface of the vortex breaking plate (5) is an inclined surface matched with the inner circumferential surface of the conical tapered shell.
3. The fan collector according to claim 2, wherein the vortex breaker plate (5) comprises a sloping plate portion for connecting with the inner circumferential surface of the conical tapered housing and a flow guide portion connected with the sloping plate portion for guiding flow, wherein the width of the flow guide portion is greater than the width of the sloping plate portion.
4. The blower current collector according to claim 3, wherein the ramp portion is welded to an inner circumferential surface of the conically tapered housing.
5. The blower collector according to claim 3, wherein the inner peripheral surface of the conical tapered housing is provided with a fixing clamping plate (4) matched with the sloping plate part for clamping the sloping plate part.
6. Fan collector according to any one of claims 1 to 5, characterised in that the number of said vortex breaking plates (5) is six and each of said vortex breaking plates (5) is uniformly distributed along the periphery of said tubular body (6).
7. The blower collector according to claim 6, wherein the tube (6) is a split tube comprising an upper semicircular tube and a lower semicircular tube, and the upper semicircular tube and the lower semicircular tube are connected through a flange (7).
8. Fan, characterized in that it comprises an inlet box (8), the outlet of said inlet box (8) being connected to the fan collector of any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920318844.9U CN209838718U (en) | 2019-03-13 | 2019-03-13 | Fan and current collector thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920318844.9U CN209838718U (en) | 2019-03-13 | 2019-03-13 | Fan and current collector thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209838718U true CN209838718U (en) | 2019-12-24 |
Family
ID=68906174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920318844.9U Active CN209838718U (en) | 2019-03-13 | 2019-03-13 | Fan and current collector thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209838718U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114849508A (en) * | 2022-07-08 | 2022-08-05 | 北京石油化工学院 | Venturi tube type micro-bubble generator |
-
2019
- 2019-03-13 CN CN201920318844.9U patent/CN209838718U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114849508A (en) * | 2022-07-08 | 2022-08-05 | 北京石油化工学院 | Venturi tube type micro-bubble generator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 301 Huifa Road, Jiading District, Shanghai, 2018 Patentee after: Shanghai Shengjian Technology Co.,Ltd. Country or region after: China Address before: 201821 25F, Taihu Shijia International Building, 1198 De Fu Road, Jiading District, Shanghai Patentee before: SHANGHAI SHENGJIAN ENVIRONMENTAL SYSTEM TECHNOLOGY Co.,Ltd. Country or region before: China |
|
| CP03 | Change of name, title or address |