CN108240667B - Lampblack filtering device and range hood applying same - Google Patents

Lampblack filtering device and range hood applying same Download PDF

Info

Publication number
CN108240667B
CN108240667B CN201711152401.9A CN201711152401A CN108240667B CN 108240667 B CN108240667 B CN 108240667B CN 201711152401 A CN201711152401 A CN 201711152401A CN 108240667 B CN108240667 B CN 108240667B
Authority
CN
China
Prior art keywords
air outlet
air
cavity
valve plate
chamber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201711152401.9A
Other languages
Chinese (zh)
Other versions
CN108240667A (en
Inventor
黄鹏
袁柯铭
茅忠群
诸永定
李斌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo Fotile Kitchen Ware Co Ltd
Original Assignee
Ningbo Fotile Kitchen Ware Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ningbo Fotile Kitchen Ware Co Ltd filed Critical Ningbo Fotile Kitchen Ware Co Ltd
Priority to CN201711152401.9A priority Critical patent/CN108240667B/en
Publication of CN108240667A publication Critical patent/CN108240667A/en
Application granted granted Critical
Publication of CN108240667B publication Critical patent/CN108240667B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00Details
    • F24C15/20Removing cooking fumes
    • F24C15/2035Arrangement or mounting of filters

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)
  • Ventilation (AREA)

Abstract

The invention relates to an oil smoke filtering device, which comprises a pipe body, wherein filtering units are transversely arranged in the pipe body and are arranged at intervals along the length direction of the pipe body; each filter unit comprises at least two filter bodies which are arranged at intervals along the width direction of the pipe body, at least one end of each filter body is fixed with the inner wall of the pipe body, and a filter channel for air flow to pass through is formed between the adjacent filter bodies; also relates to a range hood using the fume filtering device. The air flow of the fan can enter the purifying cavity through the oil fume filtering device, so that the air entering the purifying cavity can be filtered, the ozone generator is prevented from being polluted and damaged, in addition, the ozone gas can be disturbed, the ozone gas can be premixed, the ozone gas can be driven to be introduced into the cavity, the cavity of the fan and the air outlet cavity through the air outlet, and accordingly circulation is formed in the range hood and a dynamic balance state is kept, and the concentration of ozone in the range hood to be treated is uniform and dynamic balance is achieved.

Description

Lampblack filtering device and range hood applying same
Technical Field
The invention relates to the field of range hoods, in particular to a range hood and an oil fume filtering device using the same.
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, ozone is a gas with very strong sterilization capability, the sterilization capability is about 3000 times of that of chlorine, and the traditional range hood is applied to sterilization and purification of the range hood by the prior patents, 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 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, thereby influencing the sterilizing and purifying effects. Further, the specific gravity of ozone molecules is greater than that of air, so that ozone generated by an ozone generator cannot be automatically dispersed, uneven ozone concentration in the range hood is caused, namely, the concentration of ozone near the ozone generator is higher, the concentration of ozone at a far position of the ozone generator is lower, the ozone molecules are extremely unstable and are easily decomposed, uneven ozone concentration in the range hood is further aggravated, and the ozone needs to reach a certain concentration and act for a certain time to exert an effective sterilization and deodorization effect. Therefore, the structure of the existing range hood with the ozone generator is limited for fully playing the sterilization and deodorization functions of ozone, and the range hood needs to be further improved.
Disclosure of Invention
The invention aims to provide a lampblack filter device with good lampblack purifying effect aiming at the prior art.
The invention aims to provide a range hood capable of effectively avoiding damage to an ozone generator caused by oil smoke pollution.
The third technical problem to be solved by the invention is to provide the range hood capable of uniformly distributing ozone gas generated by the ozone generator in the range hood aiming at the prior art.
The technical scheme adopted by the invention for solving the first technical problem is as follows: the oil fume filtering device is characterized by comprising a pipe body, wherein one end of the pipe body is an air inlet, the other end of the pipe body is an air outlet, filtering units are transversely arranged in the pipe body, and the filtering units are arranged at intervals along the length direction of the pipe body; each filter unit comprises at least two filter bodies which are arranged at intervals along the width direction of the pipe body, at least one end of each filter body is fixed with the inner wall of the pipe body, and a filter channel for air flow to pass through is formed between the adjacent filter bodies.
In order to further improve collision probability of the oil smoke molecules and the filtering units, preferably, the filtering units comprise a first filtering body and a second filtering body, each filtering unit comprises a first filtering body and two second filtering bodies, and the first filtering body is located between the two second filtering bodies and is staggered with the second filtering bodies on two sides respectively.
Still further, the cross section of each first filter body is diamond-shaped, the cross section of each second filter body is equilateral triangle, and each side of each first filter body is parallel to the opposite side of the adjacent second filter body. So that the following wall surfaces for collision with the oil smoke molecules are respectively formed in the filtering passage: the first wall surface is positioned at the bottom of each second filter body, the second wall surface is positioned at the bottom of each second filter body, and the third wall surface is positioned on the inner wall of the pipe body, so that after the oil smoke molecules enter the pipe body, the oil smoke gas collides with the first wall surface at first, and the oil smoke molecules in the oil smoke gas are separated and filtered for one time; when the oil smoke gas continuously enters the gap between the second filter body and the first filter body, the width of the gap is narrowed, so that the speed of the oil smoke gas is increased, the oil smoke gas can collide on the second wall surface at a faster speed and turn, and the secondary separation and filtration of the oil smoke gas are completed; the diverted oil smoke gas continuously collides with the inner wall of the pipe body, so that the third collision separation is completed; and the oil smoke gas which is subjected to three-time collision separation continues to collide with the first wall surface and circulates in sequence until the oil smoke gas enters the purification cavity, and the air flow of the air inlet purification cavity is effectively filtered, so that the ozone generator is prevented from being polluted by the oil smoke.
The technical scheme adopted by the invention for solving the second and third technical problems is as follows: the utility model provides a range hood, includes casing, air-out chamber and ozone generator that have the inner chamber, is provided with the fan in the aforesaid inner chamber, and above-mentioned air-out chamber has air outlet and air intake to communicate with the inner chamber through this air intake, and be provided with the air-out valve plate that can open and close this air outlet in this air outlet, its characterized in that still includes the purification chamber, ozone generator sets up in this purification chamber, has seted up the gas outlet on this purification chamber, and the ozone that above-mentioned ozone generator produced is led to the inner chamber through this gas outlet, and above-mentioned purification chamber and air-out chamber are through above-mentioned oil smoke filter equipment intercommunication. .
Preferably, the pipe body of the oil fume filtering device is inclined from the purifying cavity to the air outlet cavity, so that the oil stains entering the purifying cavity can flow back from the pipe body.
Preferably, a mixing cavity for mixing gas is further arranged in the casing, the mixing cavity is arranged between the air outlet cavity and the purifying cavity, and the pipe body traverses the mixing cavity; the mixing cavity is communicated with the purifying cavity through the air outlet, the mixing cavity is communicated with the inner cavity through the air outlet, and the air outlet is provided with an air outlet valve plate for opening and closing the air outlet. By providing a mixing chamber, the ozone gas can be thoroughly mixed before entering the inner chamber.
Preferably, the mixing cavity is communicated with the air outlet cavity through an air inlet, and an air inlet valve plate for opening and closing the air inlet is arranged on the air inlet. The air flow entering through the air inlet can drive the ozone gas in the mixing cavity, so that the ozone gas is more uniformly mixed, and the concentration of the ozone gas can be regulated through the cooperation of the opening and the closing of the air guide opening, so that the proper ozone concentration can be regulated as required, and the optimal treatment effect is achieved.
Preferably, a mixer for mixing gas is arranged in the mixing cavity, the gas inlet and the gas outlet are oppositely arranged at two sides of the mixer, and the gas outlet is adjacent to the mixer. In this way, the air flow entering from the air inlet and the ozone entering from the air outlet can be heduled at the mixer, the mixing effect is further enhanced, and the mixed ozone gas can rapidly enter the inner cavity through the gas outlet.
Preferably, the pipe body is provided with an air guide port on the cavity wall of the purification cavity, the air guide port is provided with an air guide valve plate for opening and closing the air guide port, the air guide valve plate is linked with the air outlet valve plate through a transmission assembly, and when the air outlet valve plate closes the air outlet, the air guide valve plate synchronously closes the air guide port, and when the air outlet valve plate opens the air outlet, the air guide valve plate synchronously opens the air guide port. So that the ozone generator is in a closed state, and pollution damage caused by greasy dirt to the ozone generator is effectively avoided.
Preferably, the air outlet and the air guide opening are oppositely arranged, a first chute and a second chute are respectively arranged on the air outlet and the air guide opening, the air outlet valve plate can slide back and forth along the first chute to open and close the air outlet, and the air guide valve plate can slide back and forth along the second chute to open and close the air guide opening; the transmission assembly comprises a driving motor, a screw rod driven by the driving motor and a nut sleeved on the screw rod, the screw rod and the nut form a screw transmission pair, the extending direction of the screw rod is perpendicular to the direction of the air outlet and the air guide opening, and two ends of the nut are respectively fixed with the corresponding air outlet valve plate and the corresponding air guide valve plate.
Preferably, the air outlet cavity, the purifying cavity and the mixing cavity are all arranged above the inner cavity and are arranged in parallel, the air outlet cavity is provided with a first vertical side wall shared by the air outlet cavity and the purifying cavity, the first vertical side wall is provided with the air inlet, the purifying cavity is provided with a second vertical side wall shared by the mixing cavity, the second vertical side wall is provided with the air outlet and the air guide opening respectively, and the air outlet and the air guide opening are arranged up and down relatively.
Preferably, the gas outlet is located above the air inlet port of the fan, so that ozone can quickly enter the fan and enter the air outlet cavity through rotation of the fan, and quick circulation of ozone in the range hood is realized.
Compared with the prior art, the invention has the advantages that: the oil fume filtering device is provided with the filtering units which are arranged at intervals along the length direction of the pipe body, each filtering unit comprises at least two filtering bodies which are arranged at intervals along the width direction of the pipe body, at least one end of each filtering body is fixed with the inner wall of the pipe body, and a filtering channel for air flow to pass through is formed between the adjacent filtering bodies, so that oil fume molecules entering the pipe body from the air inlet can smoothly collide with the filtering units, and the oil fume gas can be filtered well.
The purification cavity is arranged in the range hood, the ozone generator is arranged in the purification cavity, and meanwhile, the purification cavity is communicated with the air outlet cavity through the oil smoke filtering device, so that when the ozone gas is utilized to sterilize and deodorize the interior of the range hood, the air flow of the fan can enter the purification cavity through the oil smoke filtering device, thereby disturbing the ozone gas, playing a role of premixing the ozone gas, driving the ozone gas to enter the cavity through the air outlet, then entering the cavity of the fan, and guiding the ozone gas into the air outlet cavity through the rotation of the fan, thereby forming circulation in the interior of the range hood and maintaining a dynamic balance state, and the ozone concentration in the interior of the range hood is uniform to achieve dynamic balance, so that the range hood obtains good sterilization and deodorization treatment effects. Furthermore, the air flow can be filtered by the filtering device before entering the purifying cavity, so that the pollution and damage of the oil smoke in the air flow to the ozone generator are avoided.
Drawings
Fig. 1 is a schematic structural diagram of a range hood according to an embodiment of the present invention;
fig. 2 is a schematic view of a partial structure of a range hood according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of FIG. 2;
FIG. 4 is an enlarged view of section I of FIG. 2;
FIG. 5 is an enlarged view of section II of FIG. 3;
FIG. 6 is a cross-sectional view of a tubular body according to an embodiment of the present invention;
FIG. 7 is a schematic view showing the direction of air flow in the pipe body according to an embodiment of the present invention;
fig. 8 is a schematic view illustrating an internal airflow direction of the range hood in a cooking state according to an embodiment of the present invention;
fig. 9 is a schematic view illustrating an internal airflow direction of the range hood in a sterilizing and deodorizing state according to an embodiment of the present invention.
Detailed Description
The invention is described in further detail below with reference to the embodiments of the drawings.
As shown in fig. 1 to 9, a range hood comprises a housing 21 having an inner cavity 210 and an air outlet cover 211, wherein a fan 22 is arranged in the inner cavity 210, an air outlet cavity 23 is arranged in the air outlet cover 211, the air outlet cavity 23 is positioned above the inner cavity 210 and is communicated with the inner cavity 210 through an air inlet 231, an air outlet 232 is arranged at the top of the air outlet cavity 23, and an air outlet valve plate 271 capable of opening and closing the air outlet 232 is arranged at the air outlet 232.
Further, a purge chamber 24 and a mixing chamber 25 are provided in the air outlet cover 211, an ozone generator 26 is provided in the purge chamber 24, and a mixer 202 is provided in the mixing chamber 25. The purge chamber 24 and the mixing chamber 25 are communicated with each other through an air outlet 242, and ozone generated by the ozone generator 26 is introduced into the mixing chamber 25 through the air outlet 242, and is sufficiently mixed in the mixing chamber 25 and then introduced into the inner chamber 210 through a gas outlet 251 provided in the mixing chamber 25. Still further, the above-mentioned purifying chamber 24 is communicated with the air outlet chamber 23 through the oil fume filtering device, in such a non-cooking state, the air outlet valve plate 271 closes the air outlet 232, the air flow generated by the fan 22 is introduced into the purifying chamber 24 through the oil fume filtering device, ozone in the purifying chamber 24 flows under the drive of the air flow and is introduced into the mixing chamber 25 through the air outlet 242 to be mixed, and then enters the inner chamber 210 through the air outlet 251 after being uniformly mixed, in this embodiment, the air outlet 251 is positioned above the air inlet port 221 of the fan 22, so that the ozone introduced through the air outlet 251 can quickly enter the fan 22, and then is introduced into the air outlet chamber 23 through the rotation of the fan 22, thereby forming a circulation among the purifying chamber 24, the mixing chamber 25, the inner chamber 210, the inner chamber of the fan 22 and the air outlet chamber 23, so that the ozone concentration in the range hood is uniform, and the ozone concentration in the range hood can play a good sterilizing and deodorizing effect.
Preferably, the oil smoke filtering device comprises a tube 28, wherein one end of the tube 28 is an air inlet, and the other end is an air outlet, a filtering unit 280 for filtering oil smoke is arranged in the tube 28, and the filtering unit 280 can filter oil smoke molecules in air flow, so that pollution and damage of the oil smoke molecules to the ozone generator 26 are avoided. The filter units 280 are transversely arranged in the pipe body 28 and are arranged at intervals along the length direction of the pipe body 28, each filter unit 280 comprises at least two filter bodies arranged at intervals along the width direction of the pipe body 28, at least one end of each filter body is fixed with the inner wall of the pipe body 28, and a filter channel 2800 for air flow to pass through is formed between the adjacent filter bodies. The design can make the oil smoke molecules entering the pipe 28 collide with the filtering unit 280 smoothly, thereby filtering the oil smoke molecules better. Further, the filter bodies include a first filter body 2801 and a second filter body 2802, and each filter unit 280 includes one first filter body 2801 and two second filter bodies 2802, wherein the first filter body 2801 is located between the two second filter bodies 2802 and is staggered with the second filter bodies 2802 on both sides, respectively. Still further, each of the first filter bodies 2801 has a diamond-shaped cross section, each of the second filter bodies 2802 has an equilateral triangle-shaped cross section, and each side of each first filter body 2801 is parallel to an opposite side of an adjacent second filter body 2802. So that the following wall surfaces for collision with the soot molecules are respectively formed in the filtering passage 2800: a first wall 280a at the bottom of each second filter 2802, a second wall 280b at the bottom of each second filter 2802, and a third wall 280c on the inner wall of the tube 28, and the oil smoke molecules enter the tube 28. The oil smoke gas collides with the first wall surface 280a at first, so that part of oil smoke molecules in the oil smoke gas are separated and filtered for one time; when the oil smoke gas continuously enters the gap between the second filter 2802 and the first filter 2801, the width of the gap is narrowed, so that the speed of the oil smoke gas is increased, and the oil smoke gas can collide on the second wall 280b at a faster speed and turn to finish the secondary separation and filtration of oil smoke molecules; the deflected oil smoke gas continues to collide with the inner wall of the pipe body 28, so that the third collision separation is completed; the oil smoke gas after three times of collision separation continues to collide with the first wall surface 280a at the back, and circulates in sequence until the oil smoke gas enters the purifying cavity 24, and the air flow entering the purifying cavity 24 is effectively filtered, so that the ozone generator 26 is prevented from being polluted by the oil smoke.
In this embodiment, the air outlet chamber 23, the purifying chamber 24 and the mixing chamber 25 are arranged in parallel, wherein the mixing chamber 25 is disposed between the air outlet chamber 23 and the purifying chamber 24, the pipe 28 traverses the mixing chamber 25, and the pipe 28 is inclined from the purifying chamber 24 to the air outlet chamber 23, so that the filtering and refluxing of the oil dirt entering the purifying chamber 24 is facilitated through the pipe 28. The mixing chamber 25 is communicated with the air outlet chamber 23 through an air inlet 234, an air inlet valve plate 272 for opening and closing the air inlet 234 is arranged on the air inlet 234, and an air outlet valve plate 273 for opening and closing the air outlet 242 is arranged on the air outlet 242. The pipe 28 is located on the wall of the purifying chamber 24 and is provided with a gas guiding hole 281, the gas guiding hole 281 is provided with a gas guiding valve plate 282 for opening and closing the gas guiding hole 281, the gas guiding valve plate 282 and the gas outlet valve plate 273 are linked through a transmission component, when the gas outlet valve plate 273 closes the gas outlet 242, the gas guiding valve plate 282 synchronously closes the gas guiding hole 281, and when the gas outlet valve plate 273 opens the gas outlet 242, the gas guiding valve plate 282 synchronously opens the gas guiding hole 281. In the cooking state, the air guide valve plate 282 and the air outlet valve plate 273 respectively close the air guide port 281 and the air outlet 242, so that the ozone generator 26 is in a closed state, and pollution damage caused by greasy dirt to the ozone generator is effectively avoided. The size of the ozone concentration can be adjusted in the present invention by controlling the opening sizes of the air inlet 234 and the air guide 281, for example: the low-concentration ozone gas is prepared by increasing the air inlet area of the air inlet 234 and reducing the air inlet area of the air guide opening 281, and the low-concentration ozone gas has shorter decomposition time, so that the range hood can be sterilized and disinfected once after cooking every day so as to ensure the cleanness of the inner cavity 210; the high-concentration ozone gas is prepared by reducing the air inlet area of the air inlet 234 and increasing the air inlet area of the air guide opening 281, so that the high-concentration ozone gas can be decomposed for a long time, and the range hood can be subjected to high-concentration ozone treatment once at intervals, namely, deep sterilization and disinfection are performed on the range hood, so that the deep cleaning of the inner cavity 210 of the range hood is ensured.
In this embodiment, the air outlet chamber 23, the purifying chamber 24 and the mixing chamber 25 are all disposed above the inner chamber 210, and the three chambers are disposed in parallel, the air outlet chamber 23 has a first vertical sidewall 233 shared by the purifying chamber 24, the first vertical sidewall 233 is provided with the air inlet 234, the purifying chamber 24 has a second vertical sidewall 241 shared by the mixing chamber 25, the second vertical sidewall 241 is provided with the air outlet 242 and the air guide 281, and the air outlet 242 and the air guide 281 are disposed vertically opposite to each other.
The air outlet 242 and the air guide opening 281 are respectively provided with a first chute 283 and a second chute 243 which extend horizontally, the air outlet valve plate 273 can slide back and forth along the first chute 283 to open and close the air outlet 242, and the air guide valve plate 282 can slide back and forth along the second chute 243 to open and close the air guide opening 281. The transmission assembly comprises a driving motor 291, a screw rod 292 driven by the driving motor 291 and a nut 293 sleeved on the screw rod 292, wherein the screw rod 292 and the nut 293 form a screw transmission pair, the screw rod 292 horizontally extends, and two ends of the nut 293 are respectively fixed with the air outlet valve plate 273 and the air guide valve plate 282 through a first connecting rod 294 and a second connecting rod 295 which vertically extend. Thus, when the nut 293 slides back and forth on the screw rod 292, the air outlet valve plate 273 and the air guide valve plate 282 can slide synchronously, so that the air outlet 242 and the air guide opening 281 can be opened and closed synchronously.
The above-mentioned mixing chamber 25 is provided with the mixer 202 for mixing the gas, so that the ozone gas can be mixed more uniformly in the mixing chamber 25, and the gas inlet 234 and the gas outlet 242 are provided on both sides of the mixer 202, and the gas outlet 251 is provided adjacent to the mixer 202, so that the gas flow entering through the gas inlet 234 and the ozone entering through the gas outlet 242 can be counter-flushed at the mixer 202, further enhancing the mixing effect, and the mixed ozone gas can be rapidly introduced into the inner chamber 210 through the gas outlet 251. In this embodiment, the air inlet 234 is provided with a driver 201, an output shaft of the driver 201 is fixed to the air inlet valve plate 272, and two sides of the air inlet 234 are provided with slide rails 235 for sliding the air inlet valve plate 272 up and down, so that the air inlet valve plate 272 can slide up and down along the air inlet 234 under the driving of the driver 201, thereby realizing the opening and closing of the air inlet 234.
In the cooking state, the air guide valve plate 282 and the air outlet valve plate 273 simultaneously close the air guide hole 281 and the air outlet 242, so that the ozone generator 26 is in the closed space, the air guide hole 281 is also simultaneously closed (the air inlet 234 can be opened in the cooking state), the air outlet valve plate 271 opens the air outlet 232, and the oil smoke is led into the public flue through the air outlet 232.
In the non-cooking state, the air outlet valve plate 271 closes the air outlet 232, the air guide valve plate 282 opens the air guide hole 281, the air outlet valve plate 273 opens the air outlet 242, the air flow generated by the fan 22 passes through the air guide hole 281, the air flow enters the purifying cavity 24 after being filtered by the filtering unit 280, ozone gas in the purifying cavity 24 enters the mixing cavity 25 through the air outlet 242 under the driving of the air flow, enters the inner cavity 210 through the air outlet 251 after being fully and uniformly mixed by the mixer 202, then enters the inner cavity of the fan 22 through the air inlet port 221 of the fan 22, enters the air outlet cavity 23 under the rotation of the fan 22, thereby forming circulation in the range hood, forming dynamic balance of effective concentration, and fully sterilizing the interior of the range hood. Preferably, the air inlet 234 is opened at the same time, so that the air flow entering from the air inlet 234 can drive the ozone gas in the mixing cavity 25, so that the ozone gas is more uniformly mixed, and the concentration of the ozone gas can be regulated through the cooperation of the opening and closing of the air guide opening 281, so that the proper ozone concentration can be regulated as required, and the optimal treatment effect can be achieved.

Claims (9)

1. The oil fume filtering device is characterized by comprising a pipe body (28), wherein one end of the pipe body (28) is an air inlet, the other end of the pipe body is an air outlet, filtering units (280) are transversely arranged in the pipe body (28), and the filtering units (280) are arranged at intervals along the length direction of the pipe body (28);
each filter unit (280) comprises at least two filter bodies which are arranged at intervals along the width direction of the pipe body (28), at least one end of each filter body is fixed with the inner wall of the pipe body (28), a filter channel (2800) for air flow to pass through is formed between the adjacent filter bodies,
the filter body comprises a first filter body (2801) and a second filter body (2802), each filter unit (280) comprises a first filter body (2801) and two second filter bodies (2802), wherein the first filter body (2801) is positioned between the two second filter bodies (2802) and is respectively staggered with the second filter bodies (2802) at two sides,
the cross section of each first filter body (2801) is diamond-shaped, the cross section of each second filter body (2802) is equilateral triangle, and each side of each first filter body (2801) is parallel to the opposite side of the adjacent second filter body (2802).
2. A range hood with a lampblack filtering device according to claim 1, comprising a housing (21) with an inner cavity (210), an air outlet cavity (23) and an ozone generator (26), wherein a fan (22) is arranged in the inner cavity (210), the air outlet cavity (23) is provided with an air outlet (232) and an air inlet (231) and is communicated with the inner cavity (210) through the air inlet (231), and an air outlet valve plate (271) capable of opening and closing the air outlet (232) is arranged in the air outlet (232), characterized by further comprising a purifying cavity (24), the ozone generator (26) is arranged in the purifying cavity (24), an air outlet (242) is arranged on the purifying cavity (24), ozone generated by the ozone generator (26) is led to the inner cavity (210) through the air outlet (242), and the purifying cavity (24) is communicated with the air outlet cavity (23) through the lampblack filtering device.
3. A range hood according to claim 2, characterized in that the tube (28) of the fume filter means is inclined from the clean chamber (24) to the air outlet chamber (23).
4. A range hood according to claim 3, wherein a mixing chamber (25) for mixing gas is further provided in the housing (21), the mixing chamber (25) being provided between the air outlet chamber (23) and the purge chamber (24), the tube (28) traversing the mixing chamber (25);
the mixing cavity (25) is communicated with the purifying cavity (24) through the air outlet (242), the mixing cavity (25) is communicated with the inner cavity (210) through the air outlet (251), and the air outlet (242) is provided with an air outlet valve plate (273) for opening and closing the air outlet (242).
5. The range hood according to claim 4, wherein the mixing chamber (25) is in communication with the air outlet chamber (23) via an air inlet (234), and an air inlet valve plate (272) for opening and closing the air inlet (234) is provided on the air inlet (234).
6. The range hood according to claim 5, wherein a mixer (202) is provided in the mixing chamber (25), the air inlet (234) and the air outlet (242) are provided on opposite sides of the mixer (202), and the air outlet (251) is provided adjacent to the mixer (202).
7. The range hood according to claim 5, wherein the pipe body (28) is provided with an air guide port (281) on the cavity wall of the purifying cavity (24), the air guide port (281) is provided with an air guide valve plate (282) for opening and closing the air guide port (281), the air guide valve plate (282) and the air outlet valve plate (273) are linked through a transmission assembly, and when the air outlet valve plate (273) closes the air outlet (242), the air guide valve plate (282) synchronously closes the air guide port (281), and when the air outlet valve plate (273) opens the air outlet (242), the air guide valve plate (282) synchronously opens the air guide port (281).
8. The range hood according to claim 7, wherein the air outlet (242) and the air guide opening (281) are disposed opposite to each other, and a first chute (283) and a second chute (243) are disposed on the air outlet and the air guide opening respectively, the air outlet valve plate (273) can slide back and forth along the first chute (283) to open and close the air outlet (242), and the air guide valve plate (282) can slide back and forth along the second chute (243) to open and close the air guide opening (281);
the transmission assembly comprises a driving motor (291), a screw rod (292) driven by the driving motor (291) and a nut (293) sleeved on the screw rod (292), wherein the screw rod (292) and the nut (293) form a screw transmission pair, the extending direction of the screw rod (292) is perpendicular to the direction of the air outlet (242) and the air guide opening (281), and two ends of the nut (293) are respectively fixed with a corresponding air outlet valve plate (273) and a corresponding air guide valve plate (282).
9. The range hood according to claim 7 or 8, wherein the air outlet chamber (23), the purifying chamber (24) and the mixing chamber (25) are all disposed above the inner chamber (210) and are disposed in parallel, the air outlet chamber (23) has a first vertical side wall (233) shared with the purifying chamber (24), the air inlet (234) is formed on the first vertical side wall (233), the purifying chamber (24) has a second vertical side wall (241) shared with the mixing chamber (25), the air outlet (242) and the air guide opening (281) are formed on the second vertical side wall (241), and the air outlet (242) and the air guide opening (281) are disposed up and down oppositely.
CN201711152401.9A 2017-11-19 2017-11-19 Lampblack filtering device and range hood applying same Active CN108240667B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711152401.9A CN108240667B (en) 2017-11-19 2017-11-19 Lampblack filtering device and range hood applying same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711152401.9A CN108240667B (en) 2017-11-19 2017-11-19 Lampblack filtering device and range hood applying same

Publications (2)

Publication Number Publication Date
CN108240667A CN108240667A (en) 2018-07-03
CN108240667B true CN108240667B (en) 2024-01-16

Family

ID=62700982

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711152401.9A Active CN108240667B (en) 2017-11-19 2017-11-19 Lampblack filtering device and range hood applying same

Country Status (1)

Country Link
CN (1) CN108240667B (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0965047A1 (en) * 1997-03-06 1999-12-22 Siemens Aktiengesellschaft Method and device for identifying the system parameters stator resistance and rotor resistance of a transmitter-free induction machine operated in a field-oriented manner
TWM287417U (en) * 2005-10-20 2006-02-11 Jin-Duan Liau Purification device and its filtration materials for waste water or gas
CN2839263Y (en) * 2005-10-31 2006-11-22 廖进端 Filtering material structure
TWM463779U (en) * 2013-05-22 2013-10-21 Hong-Da Su Filtering device with triple filtering mechanism
CN203648282U (en) * 2013-12-18 2014-06-18 成都四威高科技产业园有限公司 Oil mist filter
CN205073789U (en) * 2015-10-23 2016-03-09 中粮营养健康研究院有限公司 Centrifuge tube
CN105854394A (en) * 2016-05-31 2016-08-17 张荣斌 Pipeline filter
CN207422314U (en) * 2017-11-19 2018-05-29 宁波方太厨具有限公司 A kind of lampblack filter and application have the range hood of the device

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0965047A1 (en) * 1997-03-06 1999-12-22 Siemens Aktiengesellschaft Method and device for identifying the system parameters stator resistance and rotor resistance of a transmitter-free induction machine operated in a field-oriented manner
CN1248325A (en) * 1997-03-06 2000-03-22 西门子公司 Method and device for idneitfying system parameters stator resistance and rotor resistance of transmitter-free induction machine operated in field-oriented manner
TWM287417U (en) * 2005-10-20 2006-02-11 Jin-Duan Liau Purification device and its filtration materials for waste water or gas
CN2839263Y (en) * 2005-10-31 2006-11-22 廖进端 Filtering material structure
TWM463779U (en) * 2013-05-22 2013-10-21 Hong-Da Su Filtering device with triple filtering mechanism
CN203648282U (en) * 2013-12-18 2014-06-18 成都四威高科技产业园有限公司 Oil mist filter
CN205073789U (en) * 2015-10-23 2016-03-09 中粮营养健康研究院有限公司 Centrifuge tube
CN105854394A (en) * 2016-05-31 2016-08-17 张荣斌 Pipeline filter
CN207422314U (en) * 2017-11-19 2018-05-29 宁波方太厨具有限公司 A kind of lampblack filter and application have the range hood of the device

Also Published As

Publication number Publication date
CN108240667A (en) 2018-07-03

Similar Documents

Publication Publication Date Title
CN205655410U (en) Air purifying device
JP3204813U (en) Oil removal and deodorization equipment for kitchen smoke
KR20050077586A (en) Air-cleaner having ventilation
KR101663962B1 (en) Air purifying device of air cleaner
WO2007022703A1 (en) A water-spraying air purifying apparatus and the purifying process thereof
CN108240658B (en) Fume exhauster
KR101463216B1 (en) Apparatus for omitting bad smell having improved efficiency
CN109780608B (en) Smoke exhaust ventilator
KR20150001741U (en) An Air Purifier Using Cypress
CN108240667B (en) Lampblack filtering device and range hood applying same
CN108240671B (en) Fume exhauster
CN202947191U (en) Air sucking and exhausting device and integrated cooker adopting same
KR100999514B1 (en) A hybrid air filter and air conditioner thereof
CN205164374U (en) Novel annular washing formula air purification device
CN108240661B (en) Fume exhauster
CN201235100Y (en) Air purifier
CN108240655B (en) Fume exhauster
CN206846839U (en) A kind of range hood with sterilizing deodoring function
CN108240666B (en) Fume exhauster
CN108240662B (en) Fume exhauster
CN207422314U (en) A kind of lampblack filter and application have the range hood of the device
CN108240665B (en) Fume exhauster
CN208170466U (en) A kind of range hood
CN108240659B (en) Fume exhauster
CN107965818B (en) Range hood with sterilization and deodorization functions

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant