CN112696772A - Plasma fresh air disinfection and purification machine and fresh air disinfection and purification method thereof - Google Patents
Plasma fresh air disinfection and purification machine and fresh air disinfection and purification method thereof Download PDFInfo
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- CN112696772A CN112696772A CN202011593356.2A CN202011593356A CN112696772A CN 112696772 A CN112696772 A CN 112696772A CN 202011593356 A CN202011593356 A CN 202011593356A CN 112696772 A CN112696772 A CN 112696772A
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- 238000000746 purification Methods 0.000 title claims abstract description 61
- 238000004659 sterilization and disinfection Methods 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 9
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 8
- 230000000249 desinfective effect Effects 0.000 claims abstract description 8
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 4
- 229910001000 nickel titanium Inorganic materials 0.000 claims abstract description 4
- 239000010936 titanium Substances 0.000 claims abstract description 4
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 4
- 238000009423 ventilation Methods 0.000 claims description 20
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 10
- 229910000531 Co alloy Inorganic materials 0.000 claims description 4
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 4
- 229910052750 molybdenum Inorganic materials 0.000 claims description 4
- 239000011733 molybdenum Substances 0.000 claims description 4
- 230000001954 sterilising effect Effects 0.000 claims description 4
- 230000009290 primary effect Effects 0.000 claims description 2
- 241000561734 Celosia cristata Species 0.000 claims 1
- 210000001520 comb Anatomy 0.000 claims 1
- 230000000694 effects Effects 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000002245 particle Substances 0.000 description 4
- 238000004887 air purification Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 241000256626 Pterygota <winged insects> Species 0.000 description 2
- 241000700605 Viruses Species 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 241000238631 Hexapoda Species 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/16—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by purification, e.g. by filtering; by sterilisation; by ozonisation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
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- 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)
- Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
Abstract
The invention relates to a plasma disinfection and purification fresh air machine and a method for disinfecting and purifying fresh air, wherein the plasma disinfection and purification fresh air machine comprises: the fresh air chamber I and the fresh air chamber II are positioned at two sides of the exchange chamber, and the shell is provided with a fresh air inlet communicated with the fresh air chamber I and a fresh air outlet communicated with the fresh air chamber II; the heat energy conduction exchanger is arranged in the exchange cavity and comprises a plurality of heat exchange plates which are arranged in a laminated mode, and the surfaces of the heat exchange plates are plated with nickel layers, titanium layers or nickel-titanium alloy layers; the plasma reactor is arranged in the first fresh air cavity and is opposite to the fresh air inlet; and the first noise reduction fan is arranged in the second fresh air cavity. The technical scheme of the invention is that outdoor fresh air flows into the primary filter screen and the plasma reactor in sequence through the fresh air inlet to be purified in multiple stages, and the invention has low noise and good fresh air quality.
Description
Technical Field
The invention relates to the technical field of fresh air blowers, in particular to a plasma fresh air sterilization and purification blower and a fresh air sterilization and purification method thereof.
Background
The new fan is an effectual air purification equipment, can make the room air produce the circulation, on the one hand discharges indoor dirty air to outdoor, on the other hand is outdoor fresh air (being the new trend) after measures such as disinfecting, disinfection, filtration, input indoor again, let in the indoor space all the time be fresh clean air, the new trend mainly divide into two types of exhaust formula new fan and air supply formula new fan, can install under most indoor environment, simple to operate, it is comfortable to use.
At present, the air filter equipment in the new trend machine is the mode that sets up the multilayer filter screen usually and purifies the new trend, though can the filtering particulate matter in the air, still has partial tiny particle to sneak into in the new trend air and discharges to indoor or get into the normal use that influences the fan in the fan, and air purification effect is relatively poor, and the fan noise is big, has seriously influenced user's use and has experienced.
Disclosure of Invention
The invention aims to provide a novel plasma disinfection and purification fresh air fan which is simple in structure, capable of effectively improving the air purification degree of fresh air, capable of reducing noise generated when the fan operates and effectively improving the use experience of a user.
In order to achieve the purpose, the invention adopts the following technical scheme:
a plasma disinfection and purification fresh air machine comprises:
the fresh air device comprises a shell, wherein a fresh air chamber I, an exchange chamber and a fresh air chamber II which are communicated are formed in the shell, the fresh air chamber I and the fresh air chamber II are positioned at two sides of the exchange chamber, and a fresh air inlet communicated with the fresh air chamber I and a fresh air outlet communicated with the fresh air chamber II are formed in the shell;
the heat energy conduction exchanger is arranged in the exchange chamber and comprises a plurality of heat exchange plates which are arranged in a stacked mode, and the surfaces of the heat exchange plates are plated with nickel layers, titanium layers or nickel-titanium alloy layers;
the plasma reactor is arranged in the fresh air chamber I and is positioned on one side, back to the fresh air inlet, of the primary effect filter screen; wherein the plasma reactor is limited with a discharge electrode composed of a plurality of metal strips, and the metal strips are made of molybdenum doped with 10% -15% of cobalt alloy;
and the noise reduction fan I is arranged in the fresh air cavity II and is composed of a brushless direct current motor.
Preferably, one side of the fresh air cavity facing the heat energy conduction exchanger is provided with a first ventilation opening communicated with the exchange cavity, one side of the fresh air cavity facing the heat energy conduction exchanger is provided with a second ventilation opening communicated with the exchange cavity, the first ventilation opening and the second ventilation opening are arranged in a diagonal manner, and the first ventilation opening, the heat energy conduction exchanger and the second ventilation opening are communicated to form a fresh air channel.
Preferably, the first noise reduction fan comprises: the noise reduction machine body is arranged in the fresh air cavity II, a first air port and a second air port are respectively formed in two adjacent side faces of the noise reduction shell body, the first air port is communicated with the fresh air outlet, the second air port is communicated with the second air port, a blade fixing frame and a plurality of blades which are parallel to each other and arranged at intervals are arranged in the noise reduction machine body, each blade is arranged on the blade fixing frame in an annular mode and is arranged in a streamline mode, and the rear edge of each blade is provided with an anti-vortex sawtooth-shaped edge strip along the length direction.
Preferably, the noise reduction body inner wall is formed with a sound absorption layer.
Preferably, the side of casing seted up with the first communicating first installing port of new trend cavity, first guide rail and the second guide rail that parallel and interval were arranged are equipped with to new trend cavity built-in, the primary filter screen can be followed first guide rail slides, plasma reactor can be followed the second guide rail slides, just first apron has been installed to the detachable on the first installing port.
Preferably, be formed with return air cavity one, return air cavity two in the casing, return air cavity one with return air cavity two is the diagonal set up in heat energy conduction exchanger's both sides, the casing be formed with return air cavity one communicating return air entry, with return air cavity two communicating return air exports, the return air entry with new trend export looks interval form in a side of casing, the return air export with new trend entry looks interval form in the another side of casing, new trend export is the diagonal setting with the new trend entry, just the return air export with the return air entry is the diagonal setting, just the built-in fan of making an uproar two that fall that is equipped with of return air cavity.
Preferably, a third vent is formed on one side, facing the heat energy conduction exchanger, of the return air chamber, a fourth vent is formed on one side, facing the heat energy conduction exchanger, of the return air chamber, the third vent and the fourth vent are arranged in a diagonal manner, and the third vent, the heat energy conduction exchanger and the fourth vent are communicated to form a return air channel.
Preferably, a second mounting opening communicated with the exchange chamber is formed in the side face of the shell, and a second cover plate is detachably mounted on the second mounting opening.
A method for disinfecting and purifying fresh air is applied to the plasma disinfecting and purifying fresh air machine, and comprises the following steps:
(1) the indoor disinfection and purification step of outdoor fresh air entering comprises the following steps:
starting a noise reduction fan I, driving outdoor fresh air to flow through a fresh air inlet and perform primary purification treatment through a primary filter screen under the drive of the noise reduction fan I, so that large particles, winged insects, catkins and other impurities in the fresh air can be removed;
the fresh air flow after the primary purification treatment is sent into a plasma reactor for secondary purification treatment, so that bacteria and viruses can be killed and particulate matters such as PM2.5 can be removed;
the fresh air flow after the secondary purification treatment is sent into a heat energy conduction exchanger for heat exchange treatment;
the fresh air flow after heat exchange treatment flows into the noise reduction fan I and is sent to the indoor through a fresh air outlet;
(2) the step of discharging the indoor return air to the outside comprises the following steps:
starting a second noise reduction fan, wherein indoor return air flows into a return air inlet under the driving of the second noise reduction fan, and then flows into a heat energy conduction exchanger for heat exchange treatment;
and the return air after the heat exchange treatment flows to the noise reduction fan II and is discharged to the outside through a return air outlet. The exchange capacity of the outdoor fresh air and the indoor polluted air is one third of the total indoor air per hour, and the energy transfer efficiency of the outdoor air and the indoor air in the heat energy conduction exchanger is about 70%.
Compared with the prior art, the invention has the beneficial effects that:
the plasma disinfection purifies new fan that provides among the above-mentioned technical scheme, through installing plasma reactor and just imitating the filter screen in new trend cavity one, outdoor new trend flows to just imitating the filter screen via the new trend entry and carries out one-level purification treatment, later the new trend after one-level purification treatment flows and disinfects purification treatment (being second grade purification treatment) in plasma reactor, new trend after second grade purification treatment is through heat energy conduction interchanger in proper order, the fan of making an uproar falls, the new trend export is sent to indoorly, can multistage degree of depth disinfection purifies the new trend, and the noise is little, better user experience effect has. In addition, the plasma disinfection and purification fresh air machine provided by the technical scheme further has the following unexpected effects: the metal band is made of cobalt alloy doped with 10-15% of molybdenum, is not easy to sputter under the bombardment of high-energy electrons, can resist the high temperature of 1450 ℃, is not oxidized, and can effectively prolong the service life of the metal band; the brushless direct current motor is arranged in the noise reduction fan I, the brushless direct current motor drives the blades of the zigzag edge strips which are provided with the anti-vortex flow, the wind resistance is small, the noise is low, students in classrooms of schools can concentrate on attention and listen to classes, and the learning effect can be improved.
Drawings
Fig. 1 is a schematic structural diagram of a plasma disinfection and purification fresh air machine according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a partial structure of the plasma disinfection and purification fresh air machine shown in fig. 1.
Fig. 3 is a schematic structural view of a part of the structure of the housing shown in fig. 2.
Fig. 4 is a schematic structural diagram of a partial structure of the plasma disinfection and purification fresh air machine shown in fig. 1.
Fig. 5 is a schematic structural view of the plasma disinfection and purification fresh air machine shown in fig. 1 from another view angle.
Fig. 6 is a schematic structural diagram of the first noise reduction fan shown in fig. 2.
Fig. 7 is a schematic structural diagram of the noise reducing body shown in fig. 6.
Fig. 8 is a schematic structural view of the wind wheel assembly shown in fig. 6.
Fig. 9 is a schematic structural view of the thermal energy conduction exchanger shown in fig. 2.
100. Plasma disinfection and purification fresh air machine; 10. a housing; 11. a first fresh air chamber; 111. a first vent; 12. an exchange chamber; 13. a second fresh air chamber; 131. a second vent; 14. a fresh air inlet; 15. a fresh air outlet; 16. a first mounting port; 17. a first guide rail; 18. a second guide rail; 19. a first air return chamber; 191. a third vent; 101. a second air return chamber; 1011. a fourth vent; 102. an air return inlet; 103. an air return outlet; 104. a second mounting opening; 20. a thermal energy transfer exchanger; 21. a heat exchange plate; 30. a plasma reactor; 40. a primary filter screen; 50. a first noise reduction fan; 51. a noise reduction body; 511. a first tuyere; 512. a second tuyere; 52. a wind wheel assembly; 521. a blade mount; 522. a blade; 5221. saw-toothed edge strips; 60. a first cover plate; 70. a second noise reduction fan; 80. a second cover plate; 90. and (6) clamping the strip.
Detailed Description
The present invention will now be described in more detail with reference to the accompanying drawings, in which the description of the invention is given by way of illustration and not of limitation. The various embodiments may be combined with each other to form other embodiments not shown in the following description.
Referring to fig. 1 to 9, in an embodiment of the present invention, a novel plasma disinfection and purification fresh air machine 100 is provided, and the plasma disinfection and purification fresh air machine 100 can perform deep disinfection and purification treatment on fresh air that is about to flow to an indoor environment, has low noise and good purification effect, and can effectively improve the use experience of a user.
The plasma disinfection and purification fresh air machine 100 at least comprises: the device comprises a shell 10, a heat energy conduction exchanger 20, a plasma reactor 30, a primary filter screen 40 and a first noise reduction fan 50. Specifically, as shown in fig. 3, a fresh air chamber i 11, an exchange chamber 12, and a fresh air chamber ii 13 are formed inside the casing 10, the fresh air chamber i 11 and the fresh air chamber ii 13 are located on two sides of the exchange chamber 12 and are arranged diagonally, a fresh air inlet 14 communicated with the fresh air chamber i 11 and a fresh air outlet 15 communicated with the fresh air chamber ii 13 are formed on the casing 10, the fresh air outlet 15 and the fresh air inlet 14 are respectively located on two parallel side surfaces of the casing 10 and are arranged diagonally, flanges for connecting with other devices are installed at the fresh air inlet 14 and the fresh air outlet 15, and a noise reduction fan i 50 is installed in the fresh air chamber ii 13; as shown in fig. 2, the heat energy conduction exchanger 20 is installed in the exchange chamber 12, the plasma reactor 30 and the primary filter screen 40 are placed in the first fresh air chamber 11 side by side, the primary filter screen 40 is opposite to the fresh air inlet 14, and the plasma reactor 30 is located on the side of the primary filter screen 40 opposite to the fresh air inlet 14; in addition, a first ventilation opening 111 communicated with the exchange chamber 12 is formed in one side, facing the heat energy conduction exchanger 20, of the first fresh air chamber 11, a second ventilation opening 131 communicated with the exchange chamber 12 is formed in one side, facing the heat energy conduction exchanger 20, of the second fresh air chamber 13, and the first ventilation opening 111, the heat energy conduction exchanger 20 and the second ventilation opening 131 are communicated to form a fresh air channel for fresh air to flow. The plasma reactor 30 is limited with a discharge electrode composed of a plurality of metal strips, the metal strips are made of molybdenum doped with 10% -15% of cobalt alloy, and the arrangement is such that the metal strips can endure 1450 ℃ high temperature without being oxidized, effectively avoid sputtering phenomenon and prolong the service life of the metal strips.
In one embodiment, in order to fix the heat energy conduction exchanger 20 in the exchange chamber 12, the inner wall of the casing 10 is provided with a snap strip 90, as shown in fig. 2; the thermal energy conduction exchanger 20 includes: a plurality of heat exchange plates 21, as shown in fig. 9, are stacked and arranged between the respective heat exchange plates 21 and form a heat exchange path for the gas to flow. In order to improve the heat exchange efficiency of the thermal energy conduction exchanger 20, each heat exchange plate 21 may be coated with a nickel layer, a titanium layer, or a nickel-titanium alloy layer, which is excellent in thermal conductivity.
In order to facilitate the assembly and disassembly of the heat energy conduction exchanger 20, as shown in fig. 3, a second mounting opening 104 communicating with the exchange chamber 12 is formed on a side surface of the casing 10, and the heat energy conduction exchanger 20 slides into the exchange chamber through the second mounting opening 104 and is fixed by the clamping strip 90. In addition, a second cover plate 80 is detachably installed at the second installation opening 104 to prevent the heat energy conduction exchanger 20 from being exposed.
In one embodiment, in order to facilitate the assembly and disassembly of the primary filter screen 40 and the plasma reactor 30, as shown in fig. 4, a first mounting opening 16 communicated with the first fresh air chamber 11 is formed in a side surface of the housing 10, a first guide rail 17 and a second guide rail 18 are installed in the first fresh air chamber 11 and are arranged in parallel and at an interval, the first guide rail 17 is close to the fresh air inlet 14, the second guide rail 18 is close to the first ventilation opening 111, the primary filter screen 40 can pass through the first mounting opening 16 and can slide along the first guide rail 17, and the same plasma reactor 30 can also pass through the first mounting opening 16 and slide along the second guide rail 18, so that the primary filter screen 40 and the plasma reactor 30 can be conveniently replaced by a user. In order to prevent the plasma reactor 30 and the primary filter 40 from being exposed, as shown in fig. 2, a first cover plate 60 is detachably mounted on the first mounting opening 16, and preferably, the primary filter 40 is a nylon mesh.
In one embodiment, in order to reduce the noise generated when the plasma sterilization and purification fresh air machine 100 operates, the noise reduction fan i 50 at least comprises: the noise reduction machine body 51 and the wind wheel component 52, the noise reduction machine body 51 is arranged in the fresh air chamber two 13, the first air opening 511 and the second air opening 512 are respectively arranged on the two adjacent side surfaces of the noise reduction machine body 51, as shown in fig. 6 and 7, the first air opening 511 is communicated with the fresh air outlet 15, the second air opening 512 is communicated with the second air opening 131, and the fresh air after heat exchange treatment can flow to the indoor environment through the second air opening 131, the second air opening 512, the first air opening 511 and the fresh air outlet 15 in sequence. The wind wheel assembly 52 is arranged in the noise reduction machine body 51, the wind wheel assembly 52 at least comprises a blade fixing frame 521 and a plurality of blades 522 which are arranged in parallel and at intervals, as shown in fig. 8, each blade 522 is annularly arranged on the blade fixing frame 521, the blades 522 are arranged in a streamline manner, and a saw-toothed edge strip 5221 for preventing vortex is arranged on the rear edge of each blade 522 along the length direction, so that the noise generated when the first noise reduction fan 50 operates can be effectively reduced. Preferably, the zigzag-shaped strake 5221 formed at the rear edge of the blade 522 is in an inverted triangle shape or an arc shape.
In addition, in order to further improve the noise reduction effect, the noise reduction housing 10 is provided with a sound absorption layer on the inner wall, and the sound absorption layer is formed by coating a sound absorption material (such as sound absorption cotton).
In one embodiment, in order to realize air circulation between indoor and outdoor air, as shown in fig. 2 and 3, a first return air chamber 19 and a second return air chamber 101 are further formed in the housing 10, the first return air chamber 19 and the second return air chamber 101 are diagonally arranged on two sides of the exchange chamber 12, a return air inlet 102 communicated with the first return air chamber 19 and a return air outlet 103 communicated with the second return air chamber 101 are formed on the housing 10, the return air inlet 102 and the return air outlet 103 are respectively arranged on two parallel side surfaces of the housing 10, the return air inlet 102 and the fresh air outlet 15 are formed on one side surface of the housing 10 at intervals, the return air outlet 103 and the fresh air inlet 14 are formed on the other side surface of the housing 10 at intervals, the return air inlet 102 and the return air outlet 103 are diagonally arranged, and similarly, the fresh air inlet 14 and the fresh air outlet 15 are also diagonally arranged.
In order to facilitate the flow of return air, a third vent 191 is formed on one side of the first return air chamber 19 facing the heat energy conduction exchanger 20, a fourth vent 1011 is formed on one side of the second return air chamber 101 facing the heat energy conduction exchanger 20, the third vent 191 and the fourth vent 1011 are arranged diagonally, the third vent 191, the heat energy conduction exchanger 20 and the fourth vent 1011 are communicated to form a return air channel for the flow of return air, the first vent 111 and the fourth vent 1011 are arranged in a staggered mode, the second vent 131 and the third vent 191 are arranged in a staggered mode, and therefore the fresh air channel and the return air channel are air flow channels which are mutually isolated. In addition, a second noise reduction fan 70 is arranged in the second air return chamber 101, and the second noise reduction fan 70 and the first noise reduction fan 50 are identical in structure.
In one embodiment, the embodiment of the present invention further provides a method for disinfecting and purifying fresh air by using the plasma disinfection and purification fresh air machine 100, including the following steps: (1) the indoor disinfection and purification step of outdoor fresh air entering comprises the following steps: starting a noise reduction fan I50, allowing outdoor fresh air to flow to a fresh air inlet 14 under the driving of the noise reduction fan I50, and performing primary purification treatment through a primary filter screen 40, so that impurities such as large particles, flying insect floc and the like in the fresh air can be filtered; the fresh air flow after the primary purification treatment is sent into the plasma reactor 30 for secondary purification treatment, so that bacteria and viruses can be killed and particulate matters such as PM2.5 can be removed; the fresh air flow after the secondary purification treatment is sent into the heat energy conduction exchanger 20 for heat exchange treatment; the fresh air after heat exchange treatment flows into the noise reduction fan I50 and is sent to the indoor through the fresh air outlet 15. (2) The step of discharging the indoor return air to the outside comprises the following steps: starting the second noise reduction fan 70, wherein the indoor return air flows into the return air inlet 102 under the driving of the second noise reduction fan 70, and then flows into the heat energy conduction exchanger 20 for heat exchange treatment; the return air after heat exchange treatment flows to the second noise reduction fan 70 and is discharged to the outside through the return air outlet 103. The exchange capacity of the outdoor fresh air and the indoor polluted air is one third of the total indoor air per hour, and the energy transfer efficiency of the outdoor air and the indoor air in the heat energy conduction exchanger is about 70%.
It can be understood that the process of the fresh air flowing from the outdoor to the indoor can be described as follows: starting a noise reduction fan I50 to operate, introducing outdoor fresh air into the fresh air inlet 14 under the action of the noise reduction fan I50, and enabling the fresh air to flow to the primary filter screen 40 for primary purification treatment so as to filter out impurities such as large particles, winged insects, catkins and the like in the fresh air; the fresh air flow after the primary purification treatment is sent into the plasma reactor 30 for sterilization and disinfection purification treatment (namely, secondary purification treatment) to remove toxic and harmful components in the fresh air, so that the quality of the fresh air can be effectively improved through the multi-stage purification treatment; then, the fresh air after the secondary purification passes through the first ventilation opening 111 and then flows into the heat energy conduction exchanger 20 for heat exchange treatment, the fresh air after the heat exchange treatment flows into the second fresh air chamber 13 through the second ventilation opening 131, and is further discharged into the indoor environment through the noise reduction fan I50 and the fresh air outlet 15, so that the indoor air quality can be effectively improved, and the use experience of a user is improved. In addition, the noise reduction fan I50 can effectively reduce the noise generated during the operation of the plasma disinfection and purification fresh air fan 100. It is understood that the process of indoor return air flowing to the outdoor can be described as: and starting the second noise reduction fan 70, introducing indoor dirty air into the return air inlet 102 to form return air, enabling the return air to flow into the first return air chamber 19 and flow into the heat energy conduction exchanger 20 through the third vent 191, enabling the return air to flow into the second return air chamber 101 through the fourth vent 1011, and finally discharging the return air to the outside through the second noise reduction fan 70 and the return air outlet 103. Preferably, the first return air chamber 19 can also be provided with a plasma reactor 30, a filter screen and other equipment for purifying the return air so as to prevent the return air from flowing to the outside to pollute the outdoor air environment.
The plasma disinfection and purification fresh air machine 100 provided in each embodiment is provided with the plasma reactor 30 and the primary filter screen 40 in the fresh air chamber 11, outdoor fresh air flows to the primary filter screen 40 through the fresh air inlet 14 to be subjected to primary purification treatment, then the fresh air after the primary purification treatment flows to the plasma reactor 30 to be disinfected and purified (namely, secondary purification treatment), the fresh air after the secondary purification treatment sequentially passes through the heat energy conduction exchanger 20, the noise reduction fan 50 and the fresh air outlet 15 to be sent to the indoor environment, the fresh air can be disinfected and purified in multiple stages in depth, the noise is low, and the plasma disinfection and purification fresh air machine has a good user experience effect.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (9)
1. A plasma disinfection purifies new fan, its characterized in that includes:
the fresh air device comprises a shell, wherein a fresh air chamber I, an exchange chamber and a fresh air chamber II which are communicated are formed in the shell, the fresh air chamber I and the fresh air chamber II are positioned at two sides of the exchange chamber, and a fresh air inlet communicated with the fresh air chamber I and a fresh air outlet communicated with the fresh air chamber II are formed in the shell;
the heat energy conduction exchanger is arranged in the exchange chamber and comprises a plurality of heat exchange plates which are arranged in a stacked mode, and the surfaces of the heat exchange plates are plated with nickel layers, titanium layers or nickel-titanium alloy layers;
the plasma reactor is arranged in the fresh air chamber I and is positioned on one side, back to the fresh air inlet, of the primary effect filter screen; wherein the plasma reactor is limited with a discharge electrode composed of a plurality of metal strips, and the metal strips are made of molybdenum doped with 10% -15% of cobalt alloy;
and the noise reduction fan I is arranged in the fresh air cavity II and is composed of a brushless direct current motor.
2. The plasma disinfection and purification fresh air machine as claimed in claim 1, wherein a first ventilation opening communicating with the exchange chamber is formed at one side of the fresh air chamber facing the heat energy conduction exchanger, a second ventilation opening communicating with the exchange chamber is formed at one side of the fresh air chamber facing the heat energy conduction exchanger, the first ventilation opening and the second ventilation opening are arranged diagonally, and a fresh air channel is formed by communicating the first ventilation opening, the heat energy conduction exchanger and the second ventilation opening.
3. The plasma disinfecting and purifying ventilator of claim 2, wherein the first noise reduction blower comprises: the noise reduction machine body is arranged in the fresh air cavity II, a first air opening and a second air opening are respectively formed in two adjacent side surfaces of the noise reduction shell machine body, the first air opening is communicated with the fresh air outlet, and the second air opening is communicated with the second ventilation opening; the utility model discloses a noise reduction machine body, including the blade mount, the blade that falls the organism of making an uproar, fall the organism inside and install blade mount and a plurality of parallel and interval and set up, each the blade be the annular set up in on the blade mount, the blade is streamlined setting, just the blade trailing edge is provided with the cockscomb structure strake of anti-vortex along length direction.
4. The plasma sterilizing and purifying ventilator as claimed in claim 3, wherein a sound absorbing layer is formed on an inner wall of the noise reduction body.
5. The plasma disinfection and purification fresh air machine as claimed in claim 1, wherein a first mounting opening is formed in a side surface of the casing and is communicated with the first fresh air chamber, a first guide rail and a second guide rail are arranged in the first fresh air chamber in parallel and at intervals, the primary filter screen can slide along the first guide rail, the plasma reactor can slide along the second guide rail, and a first cover plate is detachably mounted on the first mounting opening.
6. The plasma disinfection and purification fresh air fan as claimed in any one of claims 1 to 5, wherein a first return air chamber and a second return air chamber are formed in the housing, the first return air chamber and the second return air chamber are diagonally arranged on two sides of the heat energy conduction exchanger, the housing is provided with a first communicated return air inlet and a second communicated return air outlet, the first return air inlet and the second return air chamber are formed on one side surface of the housing at intervals, the second return air outlet and the second fresh air inlet are formed on the other side surface of the housing at intervals, the fresh air outlet and the fresh air inlet are diagonally arranged, the return air outlet and the return air inlet are diagonally arranged, and a second noise reduction fan is arranged in the second return air chamber.
7. The plasma disinfection and purification fresh air machine as claimed in claim 6, wherein a third vent is formed at a side of the return air chamber facing the heat energy conduction exchanger, a fourth vent is formed at a side of the return air chamber facing the heat energy conduction exchanger, the third vent and the fourth vent are arranged diagonally, and a return air channel is formed by communicating the third vent, the heat energy conduction exchanger and the fourth vent.
8. The plasma disinfection and purification fresh air machine as claimed in any one of claims 1-5, wherein a second mounting opening communicated with the exchange chamber is formed in a side surface of the housing, and a second cover plate is detachably mounted on the second mounting opening.
9. A method for disinfecting and purifying fresh air, which is applied to the plasma disinfecting and purifying fresh air machine of claim 6, and comprises the following steps:
(1) the indoor disinfection and purification step of outdoor fresh air entering comprises the following steps:
starting a noise reduction fan I, and driving outdoor fresh air to flow through a fresh air inlet and perform primary purification treatment through a primary filter screen under the drive of the noise reduction fan I;
the fresh air flow after the primary purification treatment is sent into a plasma reactor for secondary purification treatment;
the fresh air flow after the secondary purification treatment is sent into a heat energy conduction exchanger for heat exchange treatment;
the fresh air flow after heat exchange treatment flows into the noise reduction fan I and is sent to the indoor through a fresh air outlet;
(2) the step of discharging the indoor return air to the outside comprises the following steps:
starting a second noise reduction fan, wherein indoor return air flows into a return air inlet under the driving of the second noise reduction fan, and then flows into a heat energy conduction exchanger for heat exchange treatment;
and the return air after the heat exchange treatment flows to the noise reduction fan II and is discharged to the outside through a return air outlet.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011593356.2A CN112696772A (en) | 2020-12-29 | 2020-12-29 | Plasma fresh air disinfection and purification machine and fresh air disinfection and purification method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011593356.2A CN112696772A (en) | 2020-12-29 | 2020-12-29 | Plasma fresh air disinfection and purification machine and fresh air disinfection and purification method thereof |
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| CN112696772A true CN112696772A (en) | 2021-04-23 |
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| CN202011593356.2A Pending CN112696772A (en) | 2020-12-29 | 2020-12-29 | Plasma fresh air disinfection and purification machine and fresh air disinfection and purification method thereof |
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| CN113310158A (en) * | 2021-06-25 | 2021-08-27 | 珠海格力电器股份有限公司 | New fan |
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