CN210004488U - novel smoke exhaust ventilator based on air amplifier principle - Google Patents
novel smoke exhaust ventilator based on air amplifier principle Download PDFInfo
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- CN210004488U CN210004488U CN201920545534.0U CN201920545534U CN210004488U CN 210004488 U CN210004488 U CN 210004488U CN 201920545534 U CN201920545534 U CN 201920545534U CN 210004488 U CN210004488 U CN 210004488U
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- air amplifier
- passageway
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- pipe
- connecting pipe
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Abstract
The utility model discloses an novel smoke ventilator based on air amplifier principle, including the collection pipe, install the connecting pipe on the roof of collection pipe, the passageway has been seted up in the connecting pipe, the downside of connecting pipe is equipped with the oil cup, the upside of connecting pipe is equipped with air amplifier, second passageway, annular channel and passageway with higher speed have been seted up to air amplifier's inside this scheme can be under the condition that only provides a small amount of compressed gas as the power supply through the air amplifier who utilizes the coanda effect preparation, forms high-pressure high velocity air current in air amplifier's second passageway, can accomplish the quick emission to the oil smoke with the help of this high-pressure high velocity air current simultaneously, practices thrift power resource more, has more the feature of environmental protection, can carry out convenient installation and dismantlement to the oil cup simultaneously, conveniently clears up the greasy dirt in the oil cup, can reduce smoke ventilator's dead weight through using air amplifier in addition, and easy to assemble reduces the bearing capacity of installation wall, is difficult for taking place.
Description
Technical Field
The utility model relates to a smoke ventilator technical field especially relates to novel smoke ventilator based on air amplifier principle.
Background
The fume exhauster, also called as fume exhauster, is kinds of kitchen appliances for purifying kitchen environment, and it is installed over kitchen range to exhaust the waste burnt by range and the harmful fume produced during cooking to outside, reduce pollution, purify air and ensure safety.
The cooking fume extractor in the prior art has the following disadvantages: the mode that the lampblack absorber adopted motor movable impeller accomplishes the extraction of oil smoke, and this mode noise is big, and power consumption is big, and the feature of environmental protection is poor, and the greasy dirt of drippage in the oil cup is not convenient for clear up simultaneously, and the lampblack absorber is from great simultaneously, installs lack stability on the wall, and because the motor rotates and causes the lampblack absorber vibration, takes place the danger that drops easily, consequently needs improve.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving among the prior art smoke ventilator and adopting the mode of motor electric impeller to accomplish the extraction of oil smoke, this mode noise is big, power consumption is big, environmental protection performance is poor, simultaneously the greasy dirt of drippage in the oil cup is not convenient for clear up, the lampblack absorber is from great simultaneously, install lack stability on the wall, and because the motor rotates and causes the lampblack absorber vibration, take place the dangerous shortcoming that drops easily, and the novel smoke ventilator based on air amplifier principle who proposes.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
novel smoke ventilator based on air amplifier principle, including the collection pipe, install the connecting pipe on the roof of collection pipe, the passageway has been seted up in the connecting pipe, the downside of connecting pipe is equipped with the oil cup, the upside of connecting pipe is equipped with air amplifier, second passageway, annular channel and the passageway with higher speed have been seted up to air amplifier's inside, second passageway and passageway intercommunication, annular channel is located the outside of second passageway, the passageway is located the bottom side of annular channel with higher speed, passageway and second passageway intercommunication with higher speed, the blast pipe is installed on air amplifier's top, the third passageway has been seted up to the inside of blast pipe, third passageway and second passageway intercommunication, the gas-supply pipe is installed to air amplifier's side, the gas pipeline has been seted up to the inside of gas-supply pipe, gas pipeline and annular channel intercommunication.
Preferably, a threaded pipe is connected to the outer side wall of the top end of the connecting pipe in a threaded manner, and the top end of the threaded pipe is fixed to the bottom wall of the air amplifier.
Preferably, the end of the air conveying pipe far away from the air amplifier is externally connected with a blower device.
Preferably, the diameter of the th channel bottom end is larger than that of the top end thereof, the diameter of the th channel top end is equal to that of the second channel, the diameter of the third channel bottom end is smaller than that of the top end thereof, and the diameter of the third channel bottom end is equal to that of the second channel.
Preferably, threaded holes and positioning insertion holes are symmetrically formed in the top wall of the oil cup, positioning rods and threaded rods are symmetrically arranged on the bottom wall of the connecting pipe, the positioning rods are fixedly connected with the connecting pipe, the top end of each threaded rod is inserted into the inside of the connecting pipe and is rotatably connected with the connecting pipe through a rotating plate, the bottom end of each positioning rod is inserted into the corresponding positioning insertion hole, and the bottom end of each threaded rod is in threaded connection with the corresponding threaded hole.
Preferably, a knob is mounted on the side wall of the threaded rod, and anti-skid grains are formed in the side wall of the knob.
Compared with the prior art, the beneficial effects of the utility model reside in that:
this scheme can be under the condition that only provides a small amount of compressed gas as the power supply through the air amplifier who utilizes the coanda effect preparation, form high-pressure high velocity air flow in air amplifier's second passageway, can accomplish the quick emission to the oil smoke with the help of this high-pressure high velocity air flow simultaneously, practice thrift the electric power resource more, have more the feature of environmental protection, can carry out convenient installation and dismantlement to the oil cup simultaneously, the greasy dirt of convenience in to the oil cup is cleared up, in addition can reduce smoke ventilator's dead weight through using air amplifier, easy to assemble, reduce the bearing capacity of installation wall, the difficult emergence is fallen.
Drawings
Fig. 1 is a schematic view of the overall structure of novel range hoods based on the principle of air amplifiers;
fig. 2 is a left side view of novel range hoods based on the principle of air amplifiers according to the present invention;
fig. 3 is an enlarged view of the structure of part a of novel range hoods based on the principle of an air amplifier;
fig. 4 is an enlarged view of the structure of part B of novel range hoods based on the air amplifier principle;
fig. 5 is a schematic diagram of the theoretical basis of the coanda effect of the air amplifier principle of the present invention.
In the figure, a smoke collecting pipe 1, a connecting pipe 2, a 21 st th channel, an oil cup 3, an air amplifier 4, a 41 st channel, a 42 annular channel, a 43 accelerating channel, an exhaust pipe 5, a 51 st channel, a 6 gas conveying pipe, a 61 gas conveying channel, a 7 positioning rod, an 8 threaded rod, a 9 knob, a 10 rotating plate, a 11 threaded hole and a 12 threaded pipe.
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, not all embodiments, of the present invention .
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-4, novel range hood based on air amplifier principle includes a smoke collection pipe 1, a connecting pipe 2 is installed on a top plate of the smoke collection pipe 1, a channel 21 is formed in the connecting pipe 2, an oil cup 3 is arranged on the lower side of the connecting pipe 2, an air amplifier 4 is arranged on the upper side of the connecting pipe 2, a second channel 41, an annular channel 42 and an accelerating channel 43 are formed in the air amplifier 4, the second channel 41 is communicated with the channel 21, the annular channel 42 is located on the outer side of the second channel 41, the accelerating channel 43 is located on the bottom side of the annular channel 42, the accelerating channel 43 is communicated with the second channel 41, an exhaust pipe 5 is installed at the top end of the air amplifier 4, a third channel 51 is formed in the exhaust pipe 5, the third channel 51 is communicated with the second channel 41, an air conveying pipe 6 is installed on the side of the air amplifier 4, an air conveying pipe 61 is formed in the air 6.
The outer side wall of the top end of the connecting pipe 2 is connected with a threaded pipe 12 in a threaded manner, and the top end of the threaded pipe 12 is fixed on the bottom wall of the air amplifier 4.
The end of the air pipe 6 far away from the air amplifier 4 is externally connected with a blower device.
the diameter of the bottom end of the channel 21 is larger than the diameter of the top end, the diameter of the top end of the channel 21 is equal to the diameter of the second channel 41, the diameter of the bottom end of the third channel 51 is smaller than the diameter of the top end, and the diameter of the bottom end of the third channel 51 is equal to the diameter of the second channel 41.
Threaded hole 11 and location jack have been seted up to the symmetry on the roof of oil cup 3, the symmetry is equipped with locating lever 7 and threaded rod 8 on the diapire of connecting pipe 2, locating lever 7 and 2 fixed connection of connecting pipe, the top of threaded rod 8 inserts the inside of connecting pipe 2 and rotates with connecting pipe 2 through commentaries on classics board 10 and be connected, the bottom of locating lever 7 is inserted and is established in the location jack, the bottom threaded connection of threaded rod 8 is in threaded hole 11.
The side wall of the threaded rod 8 is provided with a knob 9, and the side wall of the knob 9 is provided with anti-skid lines.
Oil smoke enters the second channel 41 of the air amplifier 4 from the -th channel 21, and the dropped oil smoke is collected in the oil cup 3, and the threaded rod 8 can be rotated by the knob 9, so that the cup 3 can be removed and cleaned.
Referring to fig. 5, the theoretical basis of the air amplifier 4 in the present invention is the coanda effect, which is the tendency of the fluid to flow away from the original flow direction and to be redirected toward the surface of the protrusion, and the direction of the fluid flow away from the surface of the object when the curvature of the surface does not exceed threshold due to the viscosity of the fluid.
Based on the above theoretical basis, the gas pipe 6 can be powered by a small amount of compressed gas provided in the gas transmission channel 61, the small amount of compressed gas can bring the ambient air into a high-pressure high-speed gas flow (referred to as primary gas flow herein), and when the primary gas flow passes through the annular channel 42 and flows through the accelerating channel 43 at a high speed, the primary gas flow is adsorbed on the contour surface during flowing due to the coanda effect, so that a low-pressure region is formed in the center of the second channel 41, and a large amount of ambient gas flow is sucked into the second channel 41 and mixed with the primary gas flow to form a high-speed high-capacity gas flow which flows out from the top end of the second channel 41 (the volume of the mixed gas flow can reach 30 times to 50 times of the primary gas flow), and finally flows out from the third channel 51 in the gas pipe 5.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
- The utility model provides a novel smoke ventilator based on air amplifier principle, including collection pipe (1), its characterized in that, install connecting pipe (2) on the roof of collection pipe (1), set up passageway (21) in connecting pipe (2), the downside of connecting pipe (2) is equipped with oil cup (3), the upside of connecting pipe (2) is equipped with air amplifier (4), second passageway (41), annular channel (42) and acceleration channel (43) have been seted up to the inside of air amplifier (4), second passageway (41) and passageway (21) intercommunication, annular channel (42) are located the outside of second passageway (41), acceleration channel (43) are located the bottom side of annular channel (42), acceleration channel (43) and second passageway (41) intercommunication, blast pipe (5) are installed on the top of air amplifier (4), third passageway (51) have been seted up to the inside of blast pipe (5), third passageway (51) and second passageway (41) intercommunication, the air amplifier (4) side installs gas transmission pipe (6), gas transmission pipe (61) and gas transmission pipe (61) intercommunication.
- 2. novel range hood based on air amplifier principle according to claim 1, characterized in that the outside wall of the top end of the connecting pipe (2) is screwed with a threaded pipe (12), and the top end of the threaded pipe (12) is fixed on the bottom wall of the air amplifier (4).
- 3. The new type smoke exhaust ventilator based on air amplifier principle, according to claim 1, wherein the air pipe (6) is far away from the end of the air amplifier (4) and is externally connected with a blower device.
- 4. novel smoke exhaust ventilator based on air amplifier principle, according to claim 1, characterized in that the diameter of the bottom end of the channel (21) is larger than the diameter of the top end thereof, the diameter of the top end of the channel (21) is equal to the diameter of the second channel (41), the diameter of the bottom end of the third channel (51) is smaller than the diameter of the top end thereof, and the diameter of the bottom end of the third channel (51) is equal to the diameter of the second channel (41).
- 5. The novel smoke exhaust ventilator based on air amplifier principle of claim 1, characterized in that, threaded hole (11) and location jack are seted up to the symmetry on the roof of oil cup (3), the symmetry is equipped with locating lever (7) and threaded rod (8) on the diapire of connecting pipe (2), locating lever (7) and connecting pipe (2) fixed connection, the top of threaded rod (8) inserts the inside of connecting pipe (2) and rotates with connecting pipe (2) through commentaries on classics board (10) and be connected, the bottom of locating lever (7) is inserted and is established in the location jack, the bottom threaded connection of threaded rod (8) is in threaded hole (11).
- 6. The novel range hood based on air amplifier principle of claim 5, wherein the threaded rod (8) is provided with a knob (9) on its side wall, and the knob (9) is provided with anti-skid threads on its side wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920545534.0U CN210004488U (en) | 2019-04-22 | 2019-04-22 | novel smoke exhaust ventilator based on air amplifier principle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920545534.0U CN210004488U (en) | 2019-04-22 | 2019-04-22 | novel smoke exhaust ventilator based on air amplifier principle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210004488U true CN210004488U (en) | 2020-01-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920545534.0U Expired - Fee Related CN210004488U (en) | 2019-04-22 | 2019-04-22 | novel smoke exhaust ventilator based on air amplifier principle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210004488U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112240585A (en) * | 2020-09-30 | 2021-01-19 | 宁波方太厨具有限公司 | High-efficient exhaust cooking equipment |
-
2019
- 2019-04-22 CN CN201920545534.0U patent/CN210004488U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112240585A (en) * | 2020-09-30 | 2021-01-19 | 宁波方太厨具有限公司 | High-efficient exhaust cooking equipment |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200131 Termination date: 20210422 |