CN215276179U - Cyclone separation device and range hood - Google Patents
Cyclone separation device and range hood Download PDFInfo
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- CN215276179U CN215276179U CN202121128071.1U CN202121128071U CN215276179U CN 215276179 U CN215276179 U CN 215276179U CN 202121128071 U CN202121128071 U CN 202121128071U CN 215276179 U CN215276179 U CN 215276179U
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Abstract
The utility model provides a cyclone separation device and a range hood, relating to the technical field of kitchen appliances, wherein the cyclone separation device comprises a cylinder body and an overflow pipe; the air inlet of the cylinder is arranged at the bottom of the cylinder and is used for being arranged opposite to the air outlet of the fan; a flow guide assembly is arranged in the cylinder and used for guiding airflow to spirally rise in the cylinder; the air outlet of the overflow pipe is arranged at the top of the overflow pipe; the pipe diameter of the overflow pipe is gradually reduced from the bottom end of the overflow pipe to the top end of the overflow pipe; the overflow pipe is arranged at the top of the barrel body and communicated with the barrel body. The air flow direction of the air outlet of the fan and the air flow direction of the air outlet of the cyclone separation device are basically along the same direction, so that the air flow resistance of the range hood is reduced, and the air volume loss of the range hood is reduced.
Description
Technical Field
The utility model belongs to the technical field of the kitchen appliance technique and specifically relates to a cyclone separation device and lampblack absorber are related to.
Background
Cyclone separator is widely used in the industrial dust removal field, and dust-containing gas can realize the particle separation through cyclone separator.
At present, the structure of an industrial cyclone separator is directly used for reference for a part of cyclone separation devices used on range hoods. The airflow direction of the air outlet of the cyclone separation device and the airflow direction of the air outlet of the fan form 90 degrees, the airflow resistance of the range hood is relatively large, and the air quantity loss of the range hood is large.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a cyclone to solve the great technical problem of lampblack absorber air loss among the prior art.
The utility model provides a cyclone separation device, which comprises a cylinder body and an overflow pipe;
the air inlet of the cylinder is arranged at the bottom of the cylinder and is used for being arranged opposite to the air outlet of the fan; a flow guide assembly is arranged in the cylinder and used for guiding airflow to spirally rise in the cylinder;
the air outlet of the overflow pipe is arranged at the top of the overflow pipe; the pipe diameter of the overflow pipe is gradually reduced from the bottom end of the overflow pipe to the top end of the overflow pipe;
the overflow pipe is arranged at the top of the barrel body and communicated with the barrel body.
Further, the barrel comprises an inner wall and an outer wall;
the outer wall is sleeved outside the inner wall, and a cavity is formed between the inner wall and the outer wall; the flow guide assembly is arranged in the cavity.
Further, the outer wall comprises a first main body part, a first reducing part and a connecting part which are coaxially arranged and sequentially connected;
the outer contours of the first main body part and the connecting part are both cylindrical, the outer contour of the first tapered part is in a circular truncated cone shape, and the diameter of the first tapered part is tapered from one end, close to the first main body part, of the first tapered part to one end, close to the connecting part, of the first tapered part;
one end of the first main body part, which is far away from the first gradually-reducing part, is connected with the overflow pipe, and one end of the connecting part, which is far away from the first gradually-reducing part, is used for being connected with an air outlet of the fan;
the inner wall comprises a second main body part and a second reducing part which are coaxially arranged and mutually connected; the outer contour of the second main body part is cylindrical, the outer contour of the second tapered part is conical, and the diameter of the second tapered part is tapered from one end of the second tapered part close to the second main body part to one end of the second tapered part far away from the second main body part;
the first main body part is sleeved on the outer side of the second main body part, and the first tapered part is sleeved on the outer side of the second tapered part.
Further, the flow guide assembly comprises a plurality of blades;
the blades are arranged in the cavity at intervals along the circumferential direction of the cylinder; one end of each blade is fixedly connected with the inner wall, and the other end of each blade is fixedly connected with the outer wall; each blade all is the heliciform setting around the axis of barrel.
Furthermore, on a horizontal plane perpendicular to the axial direction of the cylinder, the projection of the blade is an arc line.
Further, on a horizontal plane perpendicular to the axial direction of the cylinder, the projection of the blade is an archimedean spiral.
Further, a plurality of the blades are uniformly arranged in the cavity at intervals along the circumferential direction of the cylinder.
Further, the flow guide assembly comprises a blade; the blade is in a spiral line shape, one end of the blade is fixedly connected with the inner wall, and the other end of the blade is fixedly connected with the outer wall.
The utility model also aims to provide a range hood, which comprises a fan and the cyclone separation device provided by the utility model; and the air outlet of the fan is communicated with the air inlet of the cylinder.
Further, the range hood also comprises a check valve; the check valve is arranged between the air outlet of the fan and the air inlet of the barrel.
Further, the range hood also comprises a shell; the fan is arranged in the shell.
The utility model provides a cyclone separation device, which comprises a cylinder body and an overflow pipe; the air inlet of the cylinder is arranged at the bottom of the cylinder and is used for being arranged opposite to the air outlet of the fan; a flow guide assembly is arranged in the cylinder and used for guiding airflow to spirally rise in the cylinder; the air outlet of the overflow pipe is arranged at the top of the overflow pipe; the pipe diameter of the overflow pipe is gradually reduced from the bottom end of the overflow pipe to the top end of the overflow pipe; the overflow pipe is arranged at the top of the barrel body and communicated with the barrel body. The lampblack absorber during operation, the oily flue gas stream that comes from the air outlet of fan gets into the barrel, and oily flue gas stream spiral rises in the barrel for the oily flue gas stream on guide assembly top takes place rotatoryly, and during oily flue gas stream got into the overflow pipe afterwards, oily flue gas stream was rotary motion along the wall in the overflow pipe is inside, and along with the reduction of overflow pipe diameter, the rotational speed of oily flue gas stream increased thereupon, thereby separates the particulate matter in the oily flue gas stream. Because the air outlet of overflow pipe is located the top of the air outlet of fan, can make the air outlet air current direction of fan and cyclone separation device's air outlet air current direction be along same direction basically to reduce the air current resistance of lampblack absorber, reduce the amount of wind loss of lampblack absorber.
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 embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are 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 cross-sectional view of a cyclone separation apparatus according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a blade in a cyclone separation device provided by an embodiment of the present invention (a flow guide assembly includes a plurality of blades);
fig. 3 is a schematic structural diagram of the inside of the cyclone separation device provided by the embodiment of the invention (the flow guide assembly comprises a plurality of blades);
fig. 4 is a schematic structural diagram of a blade in a cyclone separation device provided by an embodiment of the present invention (a flow guide assembly includes one blade);
fig. 5 is a schematic structural view of the inside of the cyclone separation device provided by the embodiment of the invention (the flow guide assembly comprises a blade);
fig. 6 is a schematic structural diagram of the range hood provided by the embodiment of the utility model.
Icon: 1-a smoke baffle; 2-a shell; 3-an air outlet of the fan; 4-a check valve; 5-a cylinder body; 51-an outer wall; 511-a first body portion; 512-a first taper; 513-a connecting portion; 52-inner wall; 521-a second body portion; 522-a second taper; 53-leaf; 6-overflow pipe.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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 utility model provides a cyclone and lampblack absorber, it is right to give a plurality of embodiments below the utility model provides a cyclone and lampblack absorber carry out detailed description.
Example 1
The cyclone separation device provided by the embodiment comprises a cylinder body 5 and an overflow pipe 6, as shown in fig. 1 to 6; the air inlet of the cylinder 5 is arranged at the bottom of the cylinder 5, and the air inlet of the cylinder 5 is arranged opposite to the air outlet 3 of the fan; a flow guide assembly is arranged in the cylinder 5 and is used for guiding airflow to spirally rise in the cylinder 5; the air outlet of the overflow pipe 6 is arranged at the top of the overflow pipe 6; the pipe diameter of the overflow pipe 6 is gradually reduced from the bottom end of the overflow pipe 6 to the top end of the overflow pipe 6; the overflow pipe 6 is arranged on the top of the barrel body 5, and the overflow pipe 6 is communicated with the barrel body 5.
When the range hood works, oil smoke gas flow from the air outlet 3 of the fan sequentially flows into the barrel 5 and the overflow pipe 6, and the air outlet of the overflow pipe 6 can be connected with a smoke exhaust pipe.
Under the effect of water conservancy diversion subassembly, oil flue gas flows into barrel 5 back, and spiral rising in barrel 5 for the oil flue gas flow at water conservancy diversion subassembly top takes place rotatoryly, and during oil flue gas flow got into overflow pipe 6 afterwards, oil flue gas flow was rotary motion along the wall in overflow pipe 6 inside, and along with the reduction of 6 pipe diameters of overflow pipe, the rotational speed of oil flue gas flow increased thereupon, thereby separates the particulate matter in the oil flue gas flow.
Because the air outlet of overflow pipe 6 is located the top of the air intake of barrel 5, the air intake of barrel 5 sets up with 3 relative settings of air outlet of fan, and the air intake setting of barrel 5 is in 3 tops of the air outlet of fan, consequently, the air outlet of overflow pipe 6 is located the top of the air outlet 3 of fan, can make 3 air current directions of air outlet of fan and cyclone separation device's air outlet air current direction be along same direction basically, thereby reduce the air current resistance of lampblack absorber, reduce the amount of wind loss of lampblack absorber.
The air outlet of the overflow pipe 6 can be positioned right above the air outlet 3 of the fan or obliquely above the air outlet 3 of the fan.
The air outlet of overflow pipe 6 is located the air outlet 3 of fan directly over, makes 3 air current direction of air outlet of fan and cyclone separation device's air outlet air current direction uniformity degree wind big, can reduce the air resistance of lampblack absorber better, reduces the amount of wind loss of lampblack absorber.
In addition, the cyclone separation device provided by the embodiment has a simple structure, and the overall height can meet the installation height requirements of most side-draft range hoods and European range hoods. During the installation, set up cyclone separation device in the lampblack absorber top to with the air outlet 3 of fan and the air intake intercommunication of barrel 5 can, can easily be connected with current lampblack absorber, have higher commonality.
The barrel 5 comprises an inner wall 52 and an outer wall 51; the outer wall 51 is sleeved outside the inner wall 52, and a cavity is formed between the inner wall 52 and the outer wall 51; the water conservancy diversion subassembly sets up in the cavity.
The flow guide assembly and the cavity can form an airflow channel which is in a spiral rising state so that airflow rises spirally along the airflow channel.
The outer wall 51 includes a first main body portion 511, a first tapered portion 512, and a connecting portion 513 coaxially arranged and connected in sequence; the outer contours of the first main body part 511 and the connecting part 513 are both cylindrical, the outer contour of the first tapered part 512 is circular truncated cone-shaped, and the diameter of the first tapered part 512 is tapered from one end of the first tapered part 512 close to the first main body part 511 to one end of the first tapered part 512 close to the connecting part 513; one end of the first main body part 511, which is far away from the first tapered part 512, is connected with the overflow pipe 6, and one end of the connecting part 513, which is far away from the first tapered part 512, is used for being connected with the air outlet 3 of the fan; the inner wall 52 includes a second main body portion 521 and a second tapered portion 522 coaxially disposed and connected to each other; the outer contour of the second main body 521 is cylindrical, the outer contour of the second tapered portion 522 is conical, and the diameter of the second tapered portion 522 is tapered from one end of the second tapered portion 522 close to the second main body 521 to one end of the second tapered portion 522 away from the second main body 521; the first main body portion 511 is sleeved outside the second main body portion 521, and the first tapered portion 512 is sleeved outside the second tapered portion 522.
The diameter of the end of the first main body 511 remote from the first tapered portion 512 matches the diameter of the air inlet of the overflow pipe 6, so that the first main body 511 is connected to the overflow pipe 6.
In this embodiment, the check valve 4 is disposed between the air outlet 3 of the blower and the air inlet of the cylinder 5, one end of the connecting portion 513, which is far away from the first tapering portion 512, is connected to the check valve 4, and the diameter of one end of the connecting portion 513, which is far away from the first tapering portion 512, is matched with the diameter of the air outlet of the check valve 4, so that the first tapering portion 512 is connected to the check valve 4.
The first tapered portion 512 is connected between the first main body portion 511 and the connection portion 513, and can change the diameter between the first main body portion 511 and the connection portion 513, thereby making a smooth transition between the first main body portion 511 and the connection portion 513.
The airflow enters the cavity formed between the first tapering portion 512 and the second tapering portion 522 after flowing into the connecting portion 513, and the second tapering portion 522 can guide the airflow so that the airflow is divided into the cavity formed between the first tapering portion 512 and the second tapering portion along the outer surface of the second tapering portion 522.
In one embodiment, the flow directing assembly includes a plurality of vanes 53; a plurality of blades 53 are arranged in the cavity at intervals along the circumferential direction of the cylinder 5; one end of each blade 53 is fixedly connected with the inner wall 52, and the other end of each blade 53 is fixedly connected with the outer wall 51; each vane 53 is arranged helically about the axis of the barrel 5.
Two adjacent vanes 53, the inner wall 52 and the outer wall 51 form an air flow channel which is arranged helically about the axis of the barrel 5 so that the air flow can rise helically along the air flow channel.
The blades 53 are curved, and the projection of the blades 53 can be an arc line on a horizontal plane vertical to the axial direction of the cylinder 5; the projection of the vane 53 on a horizontal plane perpendicular to the axial direction of the cylinder 5 may also be an archimedean spiral.
The plurality of blades 53 may be identical or different in shape. For example, projections of the plurality of blades 53 on a horizontal plane perpendicular to the axial direction of the cylinder 5 are circular arc lines; or a projection of a part of the plurality of blades 53 on a horizontal plane perpendicular to the axial direction of the cylinder 5 is a circular arc line, and a projection of the other part of the plurality of blades 53 on a horizontal plane perpendicular to the axial direction of the cylinder 5 is an archimedean spiral line.
The plurality of blades 53 may be uniformly spaced in the cavity along the circumferential direction of the cylinder 5, or may be non-uniformly spaced in the cavity.
A plurality of blades 53 can be arranged in the cavity along the circumferential direction of the cylinder 5 at even intervals, so that the airflow in the cylinder 5 is distributed more evenly.
In another embodiment, the flow directing assembly includes one vane 53; the blade 53 is in a spiral shape, one end of the blade 53 is fixedly connected with the inner wall 52, and the other end of the blade 53 is fixedly connected with the outer wall 51.
The vanes 53, the outer wall 51 and the inner wall 52 form an airflow channel which is arranged helically about the axis of the barrel 5 so that the airflow can spiral up the airflow channel.
The cyclone separation device that this embodiment provided, lampblack absorber during operation, the oily flue gas stream that comes from air outlet 3 of fan enters barrel 5, oily flue gas stream spiral rising in barrel 5 for the oily flue gas stream on water conservancy diversion subassembly top takes place rotatoryly, during oily flue gas stream gets into overflow pipe 6 afterwards, rotatory motion is done along the wall in overflow pipe 6 inside to oily flue gas stream, and along with the reduction of 6 pipe diameters of overflow pipe, the rotational speed of oily flue gas stream increases thereupon, thereby separate the particulate matter in the oily flue gas stream. Because the air outlet of overflow pipe 6 is located the top of the air outlet 3 of fan, can make 3 air current directions of air outlet of fan and cyclone separation device's air outlet air current direction be along same direction basically to reduce the air current resistance of lampblack absorber, reduce the amount of wind loss of lampblack absorber.
Example 2
The range hood provided by the embodiment comprises a fan and a cyclone separation device provided by the embodiment 1 as shown in fig. 1 to 6; the air outlet 3 of the fan is communicated with the air inlet of the cylinder 5.
The lampblack absorber during operation, the oily flue gas stream that comes from air outlet 3 of fan enters barrel 5, and oily flue gas stream spiral rises in barrel 5 for the oily flue gas stream on guiding subassembly top takes place rotatoryly, and during oily flue gas stream got into overflow pipe 6 afterwards, the rotatory motion is done along the wall to oily flue gas stream inside overflow pipe 6, and along with the reduction of 6 pipe diameters of overflow pipe, the rotational speed of oily flue gas stream increased thereupon, thereby separates the particulate matter in the oily flue gas stream. Because the air outlet of overflow pipe 6 is located the top of the air outlet 3 of fan, can make 3 air current directions of air outlet of fan and cyclone separation device's air outlet air current direction be along same direction basically to reduce the air current resistance of lampblack absorber, reduce the amount of wind loss of lampblack absorber.
The range hood also comprises a check valve 4; the check valve 4 is arranged between the air outlet 3 of the fan and the air inlet of the cylinder 5.
The check valve 4 can prevent the oil smoke from flowing back to the fan, thereby improving the smoke exhaust effect of the range hood.
The range hood also comprises a shell 2; the fan is disposed within the housing 2.
Specifically, set up the lampblack absorber air intake on the terminal surface of casing 2, the last edge of lampblack absorber air intake sets up keeps off cigarette board 1, and barrel 5 sets up in the fan top, and overflow pipe 6 sets up in barrel 5 top, and the air outlet of overflow pipe 6 can be connected with the pipe of discharging fume.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A cyclone separation device is characterized by comprising a cylinder body (5) and an overflow pipe (6);
the air inlet of the barrel (5) is formed in the bottom of the barrel (5), and the air inlet of the barrel (5) is arranged opposite to the air outlet (3) of the fan; a flow guide assembly is arranged in the cylinder body (5) and is used for guiding airflow to spirally rise in the cylinder body (5);
the air outlet of the overflow pipe (6) is arranged at the top of the overflow pipe (6); the pipe diameter of the overflow pipe (6) is gradually reduced from the bottom end of the overflow pipe (6) to the top end of the overflow pipe (6);
the overflow pipe (6) is arranged at the top of the barrel body (5), and the overflow pipe (6) is communicated with the barrel body (5).
2. Cyclonic separating apparatus as claimed in claim 1, wherein the cartridge (5) comprises an inner wall (52) and an outer wall (51);
the outer wall (51) is sleeved on the outer side of the inner wall (52), and a cavity is formed between the inner wall (52) and the outer wall (51); the flow guide assembly is arranged in the cavity.
3. Cyclonic separating apparatus as claimed in claim 2, wherein the outer wall (51) comprises a first main body portion (511), a first tapered portion (512) and a connecting portion (513) which are coaxially arranged and connected in series;
the outer contours of the first main body part (511) and the connecting part (513) are both cylindrical, the outer contour of the first tapered part (512) is circular truncated cone-shaped, and the diameter of the first tapered part (512) is tapered from one end, close to the first main body part (511), of the first tapered part (512) to one end, close to the connecting part (513), of the first tapered part (512);
one end, far away from the first tapered part (512), of the first main body part (511) is connected with the overflow pipe (6), and one end, far away from the first tapered part (512), of the connecting part (513) is used for being connected with an air outlet (3) of a fan;
the inner wall (52) comprises a second main body part (521) and a second tapered part (522) which are coaxially arranged and connected with each other; the outer contour of the second main body part (521) is cylindrical, the outer contour of the second tapered part (522) is conical, and the diameter of the second tapered part (522) is tapered from one end, close to the second main body part (521), of the second tapered part (522) to one end, far away from the second main body part (521), of the second tapered part (522);
the first main body part (511) is sleeved on the outer side of the second main body part (521), and the first tapered part (512) is sleeved on the outer side of the second tapered part (522).
4. Cyclonic separating apparatus as claimed in claim 2 or 3, wherein the flow directing assembly comprises a plurality of vanes (53);
the blades (53) are arranged in the cavity at intervals along the circumferential direction of the cylinder (5); one end of each blade (53) is fixedly connected with the inner wall (52), and the other end of each blade (53) is fixedly connected with the outer wall (51); each blade (53) is spirally arranged around the axis of the cylinder (5).
5. Cyclonic separating apparatus as claimed in claim 4, wherein the projection of the vanes (53) is a circular arc or an Archimedean spiral on a horizontal plane perpendicular to the axial direction of the drum (5).
6. Cyclonic separating apparatus as claimed in claim 4, wherein a plurality of said vanes (53) are provided at regular intervals in the chamber circumferentially of the drum (5).
7. Cyclonic separating apparatus as claimed in claim 2 or 3, wherein the flow directing assembly comprises a vane (53); the blade (53) is in a spiral line shape, one end of the blade (53) is fixedly connected with the inner wall (52), and the other end of the blade (53) is fixedly connected with the outer wall (51).
8. A range hood, characterized by comprising a fan and a cyclonic separating apparatus as claimed in any one of claims 1 to 7; and the air outlet (3) of the fan is communicated with the air inlet of the cylinder (5).
9. A range hood according to claim 8, characterized in that it further comprises a check valve (4); the check valve (4) is arranged between the air outlet (3) of the fan and the air inlet of the cylinder body (5).
10. A range hood according to claim 8, characterized in that it further comprises a housing (2); the fan is arranged in the shell (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121128071.1U CN215276179U (en) | 2021-05-25 | 2021-05-25 | Cyclone separation device and range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121128071.1U CN215276179U (en) | 2021-05-25 | 2021-05-25 | Cyclone separation device and range hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215276179U true CN215276179U (en) | 2021-12-24 |
Family
ID=79542005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121128071.1U Active CN215276179U (en) | 2021-05-25 | 2021-05-25 | Cyclone separation device and range hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215276179U (en) |
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2021
- 2021-05-25 CN CN202121128071.1U patent/CN215276179U/en active Active
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