CN108240665B - Fume exhauster - Google Patents
Fume exhauster Download PDFInfo
- Publication number
- CN108240665B CN108240665B CN201711152396.1A CN201711152396A CN108240665B CN 108240665 B CN108240665 B CN 108240665B CN 201711152396 A CN201711152396 A CN 201711152396A CN 108240665 B CN108240665 B CN 108240665B
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- Prior art keywords
- cavity
- air outlet
- heating
- air
- air inlet
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- 239000003517 fume Substances 0.000 title description 3
- 238000010438 heat treatment Methods 0.000 claims abstract description 97
- 230000001954 sterilising effect Effects 0.000 claims abstract description 65
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 61
- 238000000746 purification Methods 0.000 claims abstract description 13
- 238000010926 purge Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 33
- 238000004332 deodorization Methods 0.000 abstract description 13
- 238000000354 decomposition reaction Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 6
- 230000002195 synergetic effect Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 15
- 238000009434 installation Methods 0.000 description 12
- 230000009471 action Effects 0.000 description 6
- 238000010411 cooking Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 239000000779 smoke Substances 0.000 description 6
- 238000009395 breeding Methods 0.000 description 4
- 230000001488 breeding effect Effects 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000005979 thermal decomposition reaction Methods 0.000 description 3
- 230000036541 health Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 238000006424 Flood reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- UHZZMRAGKVHANO-UHFFFAOYSA-M chlormequat chloride Chemical compound [Cl-].C[N+](C)(C)CCCl UHZZMRAGKVHANO-UHFFFAOYSA-M 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001877 deodorizing effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000006233 lamp black Substances 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
- F24C15/2007—Removing cooking fumes from oven cavities
- F24C15/2014—Removing cooking fumes from oven cavities with means for oxidation of cooking fumes
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
Abstract
The invention relates to a range hood, which comprises a shell with an inner cavity, an air outlet cavity, a purifying cavity, a heating cavity and an air outlet cavity, wherein a fan is arranged in the inner cavity, a sterilizing device capable of generating ozone is arranged in the purifying cavity, a heating device for heating air is arranged in the heating cavity, the purifying cavity and the heating cavity are arranged in parallel, one side of the purifying cavity and one side of the heating cavity are provided with the air outlet cavity, and the other side of the purifying cavity and the heating cavity are provided with the air outlet cavity; the purifying cavity and the heating cavity are respectively communicated with the air outlet cavity through the first air inlet and the second air inlet, and are respectively communicated with the air outlet cavity through the first vent hole and the second vent hole, and the air outlet cavity is communicated with the inner cavity through the air outlet. According to the invention, the efficient sterilization and deodorization treatment can be carried out on the interior of the range hood under the synergistic effect of the air flow of the purification cavity and the air flow of the fan, the rest ozone after the sterilization and deodorization treatment can be subjected to the efficient decomposition treatment on the ozone under the effect of the heating cavity, and the arrangement of the air outlet cavity can be used for premixing the ozone and improving the heating decomposition efficiency of the ozone.
Description
Technical Field
The invention relates to the field of range hoods, in particular to a range hood with a sterilizing and purifying function.
Background
The range hood is used for exhausting the flue gas, and after the range hood is used for a period of time, oil stains are easy to accumulate in the range hood, such as a fume collecting hood, a fan and the like of the range hood. The long-term accumulation of greasy dirt easily causes the breeding of germs inside the range hood and the generation of peculiar smell, thereby affecting the kitchen environment and the health of users.
The traditional range hood generally has no sterilization and purification function, and an ultraviolet lamp tube or an ozone generator is generally arranged in the novel range hood with the sterilization and purification function at present. Ozone is a gas with strong sterilization capability, the sterilization capability is about 3000 times of that of chlorine, and the ozone is applied to sterilization and purification of range hoods in the prior patent, such as: the Chinese patent application No. 20110258991. X (application publication No. CN 102966987A) discloses a multifunctional smoke absorbing and exhausting device with disinfection and deodorization functions, an ozone generator is arranged in the smoke absorbing and exhausting device, an outlet of the ozone generator is connected with a tee controlled by an electromagnetic valve, an outlet of one end of the tee points to an inner cavity of a shell, the other end of the tee extends out of the shell and is fastened on the wall of the shell by a sealing ring and a compression nut, and an extending end of the tee is connected with a leather hose. The air suction port of the device can be opened and closed, so that ozone can be used for sterilizing and removing odor emitted by bacteria which are bred by mildew of accumulated greasy dirt in the device under the running and static states of the device. The device has no ozone decomposition treatment device, and after the ozone finishes the disinfection operation, ozone gas can be treated only by the following two modes: in the first mode, ozone gas is self-decomposed in the range hood; in the second mode, ozone gas is discharged. The first mode has poor treatment efficiency, and the second mode can pollute the external air and also influence the health of a human body.
In addition, the device in the patent uses the ozone generator to generate ozone to sterilize and purify the interior of the range hood by arranging the ozone generator, but the ozone generator is in the lampblack environment in the range hood for a long time, and a large amount of greasy dirt or dust can cause the circuit of the ozone generator to be short-circuited to damage the ozone generator, so that the sterilizing and purifying effects of the ozone generator are affected.
Disclosure of Invention
The invention aims to provide a range hood with good sterilization and deodorization effects aiming at the prior art.
The invention aims to provide a range hood capable of effectively decomposing ozone gas aiming at the prior art.
The technical scheme adopted for solving the technical problems is as follows: the range hood comprises a shell with an inner cavity, an air outlet cavity, a purifying cavity, a heating cavity and an air outlet cavity, wherein the air outlet cavity is arranged above the inner cavity and is provided with an air outlet and an air inlet, and the air outlet cavity is communicated with the inner cavity through the air inlet; the purification cavity and the heating cavity are respectively communicated with the air outlet cavity through the first air inlet and the second air inlet, and are respectively communicated with the air outlet cavity through the first vent hole and the second vent hole, and the air outlet cavity is communicated with the inner cavity through the air outlet.
Preferably, the purification cavity is further provided with a first installation seat for installing the sterilization device and a first moving assembly capable of driving the first installation seat to move, and the sterilization device can be driven by the first moving assembly to move back and forth between the air outlet cavity and the purification cavity and has at least two states: in the first state, the sterilizing device is at least partially positioned in the air outlet cavity, and the first air inlet and the first vent hole are both opened; in the second state, the sterilizing device is completely located in the purifying cavity, the first air inlet and the first air vent are closed, and the sterilizing device is located in the closed space. In addition, in the cooking state (namely in the second state), the sterilizing device is in a closed space, so that the pollution and damage of oil smoke to the sterilizing device can be avoided.
Preferably, the heating cavity is further provided with a second installation seat for installing the heating device and a second moving assembly capable of driving the second installation seat to move, and the heating device can be driven by the second moving assembly to move back and forth between the air outlet cavity and the heating cavity and has at least two states: in the first state, the heating device is at least partially positioned in the air outlet cavity, and the second air inlet and the second air vent are both opened; in the second state, the heating device is completely located in the heating cavity, and the second air inlet and the second air vent are closed. Like this under the heating decomposition state (i.e. under the first state), heating device not only can make the heating chamber rise fast to the heating decomposes ozone, can directly heat the purification to fan system through the air intake of air-out chamber moreover, thereby improves the efficiency of purification, in addition, under the culinary art state (i.e. under the second state), heating device is in airtight space, thereby can avoid the oil smoke to cause pollution damage to heating device.
Preferably, the purifying cavity has a first side wall shared with the air outlet cavity, and the first air inlet is formed on the first side wall; the first mounting seat is in a cover shape, the sterilizing device is mounted in the first mounting seat, and the first mounting seat moves back and forth between the air outlet cavity and the purifying cavity through the first air inlet; the end face of one end of the first mounting seat along the moving direction can close the first air inlet, the end face of the other end can close the first vent hole, and gaps for gas to pass through are reserved between the rest part of the first mounting seat and the first air inlet.
Preferably, the heating cavity has a second side wall shared with the air outlet cavity, and the second air inlet is formed on the second side wall; the second installation seat is in a cover shape, the heating device is installed inside the second installation seat, and the second installation seat moves back and forth between the air outlet cavity and the heating cavity through the second air inlet; the end face of one end of the second mounting seat along the moving direction can respectively close the second air inlet, the end face of the other end can close the second air vent, and gaps for gas to pass through are reserved between the rest part of the second mounting seat and the second air inlet.
Preferably, the first moving assembly comprises a first motor, a first screw rod driven by the first motor and a first nut sleeved on the first screw rod, and the first screw rod and the first nut form a nut transmission pair; the first screw rod is fixed in the purifying cavity along the moving direction of the first mounting seat, and the first nut is fixed with the first mounting seat.
Preferably, the second moving assembly comprises a second motor, a second screw rod driven by the second motor and a second nut sleeved on the second screw rod, and the second screw rod and the second nut form a nut transmission pair; the second screw rod is fixed in the purifying cavity along the moving direction of the first mounting seat, and the second nut is fixed with the second mounting seat.
Preferably, the sterilizing device is an ultraviolet lamp tube capable of generating ozone, so that the sterilizing device can generate ozone to sterilize the interior of the range hood and also can radiate ultraviolet rays to sterilize the fan system.
Preferably, the heating device is a far infrared heating pipe, so that the heating device can radiate, heat and sterilize the fan system besides the rapid heating cavity.
Preferably, the air outlet is positioned above the air inlet port of the fan, so that ozone or hot air can quickly enter the fan and enter the air outlet cavity through the rotation of the fan, and the ozone or hot air can quickly circulate inside the range hood.
Compared with the prior art, the invention has the advantages that: the invention is provided with the purifying cavity, the heating cavity and the air outlet cavity, under the sterilization and deodorization state, ozone generated by the sterilizing device in the purifying cavity can enter the air outlet cavity through the first vent hole under the drive of air flow generated by the fan, the air outlet cavity can pre-mix ozone gas entering the air outlet cavity, so that the concentration of the ozone gas is uniform before entering the inner cavity, the ozone gas is led into the inner cavity through the air outlet, can quickly enter the fan after being dispersed in the inner cavity of the fan, and is led into the air outlet cavity through the rotation of the fan after being dispersed in the inner cavity of the fan, thereby forming dynamic circulation in the purifying cavity, the inner cavity of the fan and the air outlet cavity, and the concentration of the ozone reaches dynamic balance in the range hood. The ozone concentration is uniform in all places in the range hood, and the ozone in all places in the range hood can be timely supplied through the action of the air flow, so that the concentration non-uniformity caused by the automatic decomposition of the ozone is avoided, the ozone concentration can reach dynamic balance in the whole sterilization and deodorization process, and the treatment effect of the ozone on the interior of the range hood is ensured.
In addition, the hot air can be continuously introduced into the inner cavity under the action of the air flow and is introduced into the air outlet cavity under the rotation of the fan, so that the hot air can circulate in the heating cavity, the inner cavity of the fan and the air outlet cavity, the heating decomposition of ozone in the range hood can be quickened, the hot air can be filled in the range hood, and bacteria breeding is effectively avoided under the dry state.
Drawings
Fig. 1 is a schematic structural diagram of a range hood according to embodiment 1 of the present invention;
fig. 2 is a schematic view of a partial structure of a range hood according to embodiment 1 of the present invention;
fig. 3 is a schematic view of another partial structure of a range hood according to embodiment 1 of the present invention;
FIG. 4 is a schematic diagram of a partial structure of an air outlet cover in embodiment 1 of the present invention;
FIG. 5 is a schematic view of the structure of FIG. 4 in another direction;
FIG. 6 is a schematic diagram of another partial structure of the air outlet cover in embodiment 1 of the present invention;
fig. 7 is a schematic structural diagram of an air outlet cover in a sterilization and deodorization state according to embodiment 1 of the present invention;
FIG. 8 is a schematic view of the structure of FIG. 7 in another direction;
FIG. 9 is a schematic view of the structure of the air outlet cover in a thermal decomposition state;
FIG. 10 is a schematic view of the structure of FIG. 9 in another direction;
FIG. 11 is a schematic view showing the direction of air flow in the air outlet cover in the sterilization and deodorization state or the thermal decomposition state in embodiment 2 of the present invention;
fig. 12 is a schematic structural diagram of the air outlet cover when the sterilizing device or the heating device in embodiment 2 of the present invention is completely located in the air outlet cavity;
fig. 13 is a schematic view showing a partial structure of a range hood according to embodiment 3 of the present invention;
FIG. 14 is a schematic view of the structure of FIG. 13 in another direction;
FIG. 15 is an enlarged view of section I of FIG. 14;
FIG. 16 is a schematic view of a part of the structure of the air outlet cover according to embodiment 3 of the present invention;
fig. 17 is a bottom view of the air outlet cover in the sterilizing and deodorizing state in embodiment 3 of the present invention;
fig. 18 is a schematic view of the air outlet cover in the cooking state in embodiment 3 of the present invention;
fig. 19 is a schematic view of the air outlet cover in the sterilization and deodorization state in embodiment 3 of the present invention;
fig. 20 is a schematic diagram of the air outlet cover in a thermal decomposition state in embodiment 3 of the present invention.
Detailed Description
The invention is described in further detail below with reference to the embodiments of the drawings.
Example 1:
as shown in fig. 1 to 10, a range hood comprises a casing 71 having an inner cavity 710 and an air outlet cover 711, wherein a fan 72 is disposed in the inner cavity 710, an air outlet cavity 73 is disposed in the air outlet cover 711, the air outlet cavity 73 is located above the inner cavity 710 and is communicated with the inner cavity 710 through an air inlet 736, an air outlet 731 is disposed at the top of the air outlet cavity 73, and an air outlet valve plate (not shown) capable of opening and closing the air outlet 731 is disposed at the air outlet 731, and the air outlet valve plate can adopt a conventional structure in the prior art).
The air outlet cover 711 is further provided with a purge chamber 74 and a heating chamber 75, and the purge chamber 74 and the heating chamber 75 are arranged in parallel with the air outlet chamber 73, respectively, and all of them are located above the inner chamber 710. The purifying chamber 74 has a first sidewall 732 extending vertically and shared with the air outlet chamber 73, a first air inlet 733 communicating the purifying chamber 74 and the air outlet chamber 73 is formed in the first sidewall 732, and a first air outlet 741 communicating with the inner chamber 710 is formed in the bottom wall of the purifying chamber 74, and the first air outlet 741 is located above the air inlet port 721 of the blower 72. The heating chamber 75 has a second side wall 734 extending vertically and shared with the air outlet chamber 73, the second side wall 734 is provided with a second air inlet 735 communicating the purifying chamber 74 and the air outlet chamber 73, and the bottom wall of the heating chamber 75 is provided with a second air outlet 751 communicating with the inner chamber 710, and the second air outlet 751 is also located above the air inlet port 721 of the blower 72.
On the other hand, the sterilization device 77, the first mounting seat 770 for mounting the sterilization device 77, and the first moving assembly 79 for driving the first mounting seat 770 to move are disposed in the purification chamber 74. In this embodiment, the sterilization device 77 is an ultraviolet lamp tube capable of generating ozone, and the sterilization device 77 can move back and forth between the air outlet chamber 73 and the purifying chamber 74 under the driving of the first moving assembly 79 and has at least two states: in the first state, the sterilizing device 77 is at least partially located in the air outlet cavity 73, and the first air inlet 733 and the first air outlet 741 are both opened; in the second state, the sterilizing device 77 is completely located in the purge chamber 74, and the first air inlet 733 and the first air outlet 741 are both closed.
On the other hand, the heating chamber 75 is provided with a heating device 78 for heating the gas, a second mount 780 for mounting the heating device 78, and a second moving assembly 70 for moving the second mount 780. In this embodiment, the heating device 78 is a far infrared heating tube, and the heating device 78 can be driven by the second moving assembly 70 to move back and forth between the air outlet chamber 73 and the purifying chamber 74 and has at least two states: in the first state, the heating device 78 is at least partially located in the air outlet cavity 73, and the second air inlet 735 and the second air outlet 751 are both open; in the second state, the heating device 78 is completely located in the heating chamber 75, and the second air inlet 735 and the second air outlet 751 are both closed.
From the above, in the cooking state, the air outlet 731 is opened, the sterilizing device 77 is completely located in the purifying cavity 74, the first air inlet 733 and the first air outlet 741 are both closed, the heating device 78 is completely located in the purifying cavity 74, and the second air inlet 735 and the second air outlet 751 are both closed, so that the sterilizing device 77 and the heating device 78 are respectively located in the closed space, and the pollution damage of the sterilizing device 77 and the heating device 78 caused by the oil smoke in the range hood in the cooking state is avoided.
In the sterilization and deodorization state, the air outlet valve plate closes the air outlet 731, the sterilization device 77 moves from the purification cavity 74 to the air outlet cavity 73, the first air inlet 733 and the first air outlet 741 are both opened, ultraviolet rays generated by the sterilization device 77 can irradiate the inner walls of the fan 72 and the air outlet cavity 73 (as shown in fig. 11), and when the ultraviolet rays completely enter the air outlet cavity 73, the optimal ultraviolet irradiation sterilization effect can be achieved on the inner walls of the fan 72 and the air outlet cavity 73 (as shown in fig. 12). Further, at this time, the fan 72 is in a low-speed operation state (i.e. the rotation speed of the fan is lower than that of the cooking state), the air flow generated by the fan 72 drives the ozone generated by the sterilizing device 77, the ozone gas enters the inner cavity 710 through the first air outlet 741 under the action of the air flow, and as the first air outlet 741 is located above the air inlet 721 of the fan 72, the ozone can quickly enter the fan 72 after being dispersed in the inner cavity 710 under the action of the air flow, and is led into the air outlet cavity 73 through the rotation of the fan 72 after being dispersed in the inner cavity of the fan 72, so that dynamic circulation is formed in the purifying cavity 74, the inner cavity 710, the inner cavity of the fan 72 and the air outlet cavity 73, and the concentration of the ozone reaches dynamic balance inside the range hood. The ozone can not be automatically dispersed under the action of no external force because the specific gravity of the ozone is greater than that of the air, and the air flow generated by the fan 72 is introduced through the first air inlet 733, so that the ozone can be effectively dispersed and flowed, the ozone can be uniformly distributed in all parts of the interior of the range hood, the ozone concentration of all parts of the interior of the range hood is uniform, the ozone of all parts of the interior of the range hood can be timely supplied through the action of the air flow, the concentration non-uniformity caused by the automatic decomposition of the ozone is avoided, the ozone concentration can be dynamically balanced in the whole sterilization and deodorization process, and the treatment effect of the ozone on the interior of the range hood is ensured.
After the sterilization and deodorization are finished, the air outlet valve plate continues to close the air outlet 731, the sterilization device 77 is closed, and the first air inlet 733 and the first air outlet 741 are closed at the same time. The second air inlet 735 and the second air outlet 751 are opened, ozone in the internal circulation of the range hood rapidly floods into the heating chamber 75, the heating device 78 is started, the heating device 78 is moved from the heating chamber 75 to the purifying chamber 74, and the range hood enters a pyrolysis state. The heating device 78 makes the heating cavity 75 quickly heat up, so that ozone entering the heating cavity 75 is quickly decomposed, meanwhile, the fan 72 keeps in a low-speed operation state, so that air flow generated by the fan 72 can quickly guide heated hot air into the inner cavity 710 through the second air outlet 751, the hot air is dispersed in the inner cavity 710 and then is guided into the inner cavity of the fan 72, and is guided into the air outlet cavity 73 under the rotation of the fan 72, so that the hot air is circulated in the heating cavity 75, the inner cavity 710 and the inner cavity of the fan 72 and the air outlet cavity 73, the heating decomposition of ozone inside the range hood can be accelerated, the inside of the range hood can be fully filled with the hot air, and bacteria are effectively prevented from breeding in a dry state. In addition, the heating device 78 entering the air outlet cavity 73 irradiates and heats the fan system and the inner wall of the air outlet cavity 73 directly by emitting far infrared rays, so that not only can the decomposition efficiency of ozone be further heated, but also the fan system and the air outlet cavity 73 can be enabled to be drier, and bacterial breeding is further prevented (as shown in fig. 11 and 12). .
Specifically, the first mount 770 and the second mount 780 are both covers, and the sterilizing device 77 and the heating device 78 are respectively installed inside the first mount 770 and the second mount 780. The end surfaces 7701,7801 of the first and second mounting seats 770 and 780 at one ends thereof in the respective moving directions can close the first and second gas inlets 733 and 735, respectively, while gaps through which gas passes are left between the remaining portions of the first and second mounting seats 770 and 780 and the first and second gas inlets 733 and 735, respectively. In this embodiment, the first mounting seat 770 and the second mounting seat 780 each include a cover body with a semicircular cross section, two ends of the cover body are respectively fixed with a circular end cover, one end cover (the end surface of the end cover is 7701) of the first mounting seat 770 is matched with the first air inlet 733, and one end cover (the end surface of the end cover is 7801) of the second mounting seat 780 is matched with the second air inlet 735. Further, the first air outlet 741 and the second air outlet 751 are respectively provided with a first air outlet valve plate 742 and a second air outlet valve plate 752 capable of closing the first air outlet 741 and the second air outlet 751. The first mounting seat 770 and the second mounting seat 780 are respectively fixed to the first air outlet valve plate 742 and the second air outlet valve plate 752. In the second state of the sterilization device 77, the end face 7701 and the first air outlet valve plate 742 close the first air inlet 733 and the first air outlet 741, respectively, and when the end face 7701 leaves the first air inlet 733, the first air outlet valve plate 742 leaves the first air outlet 741 along with the end face 7701, until the first air inlet 733 and the first air outlet 741 are completely opened at the same time. In the second state of the heating device 78, the end face 7801 and the second air outlet valve plate 752 close the second air inlet 735 and the second air outlet 751, respectively, and when the end face 7801 leaves the second air inlet 735, the second air outlet valve plate 752 leaves the second air outlet 751, until the second air inlet 735 and the second air outlet 751 are simultaneously and completely opened.
Still further, the first moving assembly 79 includes a first motor 791, a first screw rod 792 driven by the first motor 791, and a first nut 793 coupled to the first screw rod 792, and the first screw rod 792 and the first nut 793 form a nut driving pair. The first screw rod 792 is fixed in the purifying chamber 74 along the moving direction of the first mounting seat 770, one end of the first screw rod 792 is fixed on the first side wall 732, the other end of the first screw rod 792 is fixed on the first mounting plate 743 provided in the purifying chamber 74, one end of the first nut 793 is fixed to the first mounting seat 770, and the other end is fixed to the first air outlet valve plate 742. The second moving assembly 70 includes a second motor 701, a second screw rod 702 driven by the second motor 701, and a second nut 703 sleeved on the second screw rod 702, where the second screw rod 702 and the second nut 703 form a nut transmission pair. The second screw 702 is fixed in the heating chamber 75 along the moving direction of the second mounting seat 780, one end of the second screw is fixed on the second side wall 734, the other end of the second screw is fixed on the first mounting plate 753 provided in the heating chamber 75, one end of the second nut 703 is fixed to the second mounting seat 780, and the other end is fixed to the second air outlet valve plate 752.
Example 2:
as shown in fig. 11 and 12, unlike embodiment 1, in this embodiment, the first mount 770 and the second mount 780 each include a cylindrical cover to both ends of which circular end caps are respectively fixed. The end caps at both ends of the first mount 770 (the end faces of the end caps are 7701) are matched with the first air inlet 733, and the end faces of the end caps at both ends of the second mount 780 are 7801 are matched with the second air inlet 735. The sterilization device 77 and the heating device 78 are respectively installed in the first installation seat 770 and the second installation seat 780, the first ventilation openings 7703 are respectively formed at both ends of the first installation seat 770, and the first ventilation openings 7703 at both ends are communicated with the inner peripheral wall of the first installation seat 770 through a gap between the sterilization device 77 and the inner peripheral wall of the first installation seat 770. The second mounting seat 780 has second ventilation openings 7803 formed at both ends thereof, and the second ventilation openings 7803 at both ends communicate with the inner peripheral wall of the second mounting seat 780 through a gap between the heating device 78. By adopting the design, the sterilizing device 77 and the heating device 78 can be more firmly arranged in the first mounting seat 770 and the second mounting seat 780, and can move along with the first mounting seat 770 and the second mounting seat 780 more stably respectively, and in addition, the sterilizing device 77 and the heating device 78 can be prevented from being polluted and damaged by the oil smoke remained in the range hood.
Example 3:
as shown in fig. 13 to 20, unlike the embodiment 1, in the present embodiment, the purge chamber 74 and the heating chamber 75 are arranged in parallel, one side of each of which is provided with the air outlet chamber 73, and the other side is provided with the air outlet chamber 76, and the air outlet chamber 76 has a vertical side wall 762 common to the purge chamber 74 and the heating chamber 75. The first air outlet 741 and the second air outlet 751 are of the same structure and are disposed in the air outlet chamber 76, that is, the air outlet 761 is disposed on the bottom wall of the air outlet chamber 76, and the air outlet 761 is also disposed above the air inlet 721 of the fan 72. The purge chamber 74 and the heating chamber 75 are respectively communicated with the air outlet chamber 76 through a first vent 7621 and a second vent 7622, the first vent 7621 and the second vent 7622 are respectively opened on the vertical side wall 762, and the end surfaces 7702,7802 of the other ends of the first mount 770 and the second mount 780 in the respective moving directions can respectively close the first vent 7621 and the second vent 7622.
In the cooking state, the two end surfaces 7701,7702 of the first mount 770 close the first air inlet 733 and the first air vent 7621, respectively, while the two end surfaces 7801,7802 of the second mount 780 close the second air inlet 735 and the second air vent 7622, respectively, and the sterilizing device 77 and the heating device 78 are in the closed space, respectively. In the sterilization and deodorization state, the sterilization device 77 moves to the air outlet cavity 73, the first air inlet 733 and the first air vent 7621 are both opened, and the air flow drives the ozone to enter the purification cavity 74 from the first air inlet 733, enter the air outlet cavity 76 through the first air vent 7621, and finally are led into the inner cavity 710 through the air outlet 761. In the heating and decomposing state, the sterilizing device 77 is reset, the first air inlet 733 and the first air vent 7621 are closed, the heating device 78 moves towards the air outlet cavity 73, the second air inlet 735 and the second air vent 7622 are opened, the air flow drives the hot air to enter the purifying cavity 74 from the second air inlet 735, enter the air outlet cavity 76 through the second air vent 7622, and finally are led into the inner cavity 710 through the air outlet 761.
Claims (10)
1. The range hood comprises a casing (71) with an inner cavity (710) and an air outlet cavity (73), wherein a fan (72) is arranged in the inner cavity (710), the air outlet cavity (73) is arranged above the inner cavity (710) and is provided with an air outlet (731) and an air inlet (736), the air outlet (731) is communicated with the inner cavity (710) through the air inlet (736), the air outlet (731) is provided with an air outlet valve plate capable of opening and closing the air outlet (731),
the device further comprises a purifying cavity (74), a heating cavity (75) and an air outlet cavity (76), wherein a sterilizing device (77) capable of generating ozone is arranged in the purifying cavity (74), a heating device (78) for heating air is arranged in the heating cavity (75), the purifying cavity (74) and the heating cavity (75) are arranged in parallel, one side of each of the purifying cavity and the heating cavity is provided with the air outlet cavity (73), and the other side of each of the purifying cavity and the heating cavity is provided with the air outlet cavity (76);
the purification cavity (74) and the heating cavity (75) are respectively communicated with the air outlet cavity (73) through a first air inlet (733) and a second air inlet (735), and are respectively communicated with the air outlet cavity (76) through a first air vent (7621) and a second air vent (7622), and the air outlet cavity (76) is communicated with the inner cavity (710) through an air outlet (761).
2. The range hood according to claim 1, wherein the purifying chamber (74) is further provided with a first mounting seat (770) for mounting the sterilizing device (77) and a first moving assembly (79) capable of driving the first mounting seat (770) to move, and the sterilizing device (77) can move back and forth between the air outlet chamber (73) and the purifying chamber (74) under the driving of the first moving assembly (79) and has at least two states: in a first state, the sterilizing device (77) is at least partially located in the air outlet cavity (73), and the first air inlet (733) and the first air vent (7621) are both opened; in the second state, the sterilizing device (77) is completely located in the purifying chamber (74), and the first air inlet (733) and the first air vent (7621) are both closed, and the sterilizing device (77) is located in the closed space.
3. The range hood according to claim 1, wherein the heating chamber (75) is further provided with a second mounting seat (780) for mounting the heating device (78) and a second moving assembly (70) capable of driving the second mounting seat (780) to move, and the heating device (78) can be driven by the second moving assembly (70) to move back and forth between the air outlet chamber (73) and the heating chamber (75) and has at least two states: in the first state, the heating device (78) is at least partially positioned in the air outlet cavity (73), and the second air inlet (735) and the second air vent (7622) are both opened; in the second state, the heating device (78) is completely located in the heating chamber (75), and the second air inlet (735) and the second air vent (7622) are both closed.
4. The range hood according to claim 2, wherein the purge chamber (74) has a first side wall (732) shared with the air outlet chamber (73), said first air inlet (733) being provided in the first side wall (732);
the first mounting seat (770) is in a cover shape, the sterilizing device (77) is mounted in the first mounting seat (770), and the first mounting seat (770) moves back and forth between the air outlet cavity (73) and the purifying cavity (74) through the first air inlet (733);
an end face (7701) of one end of the first mounting seat (770) along the moving direction can close the first air inlet (733), an end face (7702) of the other end can close the first vent hole (7621), and gaps for gas to pass through are reserved between the rest of the first mounting seat (770) and the first air inlet (733) respectively.
5. A range hood according to claim 3, wherein the heating chamber (75) has a second side wall (734) in common with the air outlet chamber (73), said second air inlet (735) being provided in the second side wall (734);
the second mounting seats (780) are all in a cover shape, the heating devices (78) are mounted inside the second mounting seats (780), and the second mounting seats (780) move back and forth between the air outlet cavity (73) and the heating cavity (75) through the second air inlets (735);
the end face (7801) of one end of the second mount (780) along the moving direction can respectively close the second air inlet (735), the end face (7802) of the other end can close the second air vent (7622), and gaps for air to pass through are reserved between the rest of the second mount (780) and the second air inlet (735).
6. The range hood according to claim 2, wherein the first moving assembly (79) comprises a first motor (791), a first screw rod (792) driven by the first motor (791), and a first nut (793) sleeved on the first screw rod (792), wherein the first screw rod (792) and the first nut (793) form a nut transmission pair;
the first screw rod (792) is fixed in the purifying cavity (74) along the moving direction of the first mounting seat (770), and the first nut (793) is fixed with the first mounting seat (770).
7. A range hood according to claim 3, wherein the second moving assembly (70) comprises a second motor (701), a second screw (702) driven by the second motor (701), and a second nut (703) sleeved on the second screw (702), the second screw (702) and the second nut (703) forming a nut transmission pair;
the second screw (702) is fixed in the purifying cavity (74) along the moving direction of the first mounting seat (770), and the second nut (703) is fixed with the second mounting seat (780).
8. The range hood according to any one of claims 1 to 7, wherein the sterilizing device (77) is an ultraviolet lamp tube capable of generating ozone.
9. The range hood according to any one of claims 1 to 7, wherein the heating means (78) is a far infrared heating tube.
10. The range hood according to any one of claims 1 to 7, wherein the air outlet (761) is located above the air inlet port (721) of the fan (72).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711152396.1A CN108240665B (en) | 2017-11-19 | 2017-11-19 | Fume exhauster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711152396.1A CN108240665B (en) | 2017-11-19 | 2017-11-19 | Fume exhauster |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108240665A CN108240665A (en) | 2018-07-03 |
| CN108240665B true CN108240665B (en) | 2024-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711152396.1A Active CN108240665B (en) | 2017-11-19 | 2017-11-19 | Fume exhauster |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108240665B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113847630A (en) * | 2021-10-22 | 2021-12-28 | 广东超人节能厨卫电器有限公司 | Fume exhauster |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100743463B1 (en) * | 2006-08-01 | 2007-08-01 | 허태균 | The air cleaner with disinfection and sterilization for in the room which possesses an ozone water making device |
| CN201368509Y (en) * | 2008-12-04 | 2009-12-23 | 李向宇 | Domestic disinfecting and sterilizing range hood |
| CN102966987A (en) * | 2011-08-31 | 2013-03-13 | 邢金勇 | Smoke suctioning and discharging device with disinfecting and deodorizing functions |
| CN206514363U (en) * | 2016-12-29 | 2017-09-22 | 宁波方太厨具有限公司 | A kind of range hood with sterilizing deodoring function |
| CN207865477U (en) * | 2017-11-19 | 2018-09-14 | 宁波方太厨具有限公司 | A kind of range hood |
-
2017
- 2017-11-19 CN CN201711152396.1A patent/CN108240665B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100743463B1 (en) * | 2006-08-01 | 2007-08-01 | 허태균 | The air cleaner with disinfection and sterilization for in the room which possesses an ozone water making device |
| CN201368509Y (en) * | 2008-12-04 | 2009-12-23 | 李向宇 | Domestic disinfecting and sterilizing range hood |
| CN102966987A (en) * | 2011-08-31 | 2013-03-13 | 邢金勇 | Smoke suctioning and discharging device with disinfecting and deodorizing functions |
| CN206514363U (en) * | 2016-12-29 | 2017-09-22 | 宁波方太厨具有限公司 | A kind of range hood with sterilizing deodoring function |
| CN207865477U (en) * | 2017-11-19 | 2018-09-14 | 宁波方太厨具有限公司 | A kind of range hood |
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| Publication number | Publication date |
|---|---|
| CN108240665A (en) | 2018-07-03 |
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