CN106196405B - Fresh air purifier - Google Patents
Fresh air purifier Download PDFInfo
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- CN106196405B CN106196405B CN201610738373.8A CN201610738373A CN106196405B CN 106196405 B CN106196405 B CN 106196405B CN 201610738373 A CN201610738373 A CN 201610738373A CN 106196405 B CN106196405 B CN 106196405B
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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
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
- F24F7/08—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit with separate ducts for supplied and exhausted air with provisions for reversal of the input and output systems
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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
- F24F12/00—Use of energy recovery systems in air conditioning, ventilation or screening
- F24F12/001—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air
- F24F12/006—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air using an air-to-air heat exchanger
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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
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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
- F24F13/28—Arrangement or mounting of filters
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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
- F24F13/30—Arrangement or mounting of heat-exchangers
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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
- F24F2013/242—Sound-absorbing material
Abstract
The invention discloses a fresh air purifier which comprises a fresh air purifier body, a gas heat exchanger, a fresh air opening, an air supply opening, an air inlet fan, a return air opening, an air exhaust opening and an air exhaust fan. The inner surfaces of the fresh air opening, the air supply opening and the return air opening are provided with hygrothermographs or humiture sensors; the air inlet fan is communicated with the air supply opening through the horn-shaped air outlet, and the air exhaust fan is communicated with the air exhaust opening through the air exhaust silencing tube. The fresh air purifier can reduce noise and monitor the air condition in real time. In addition, this fresh air purification machine's air-purifying is respond well, and energy-conserving respond well.
Description
Technical Field
The invention relates to a fresh air purifier, in particular to a fresh air purifier which is low in noise and can monitor the air condition in real time.
Background
The fresh air purifier is an air conditioning equipment for providing fresh air, and the fresh air purifier is used for treating outdoor air at different levels such as dust removal, filtration and disinfection and then sending the air to the indoor space through a fan. Generally, a fresh air opening and an air exhaust opening of a fresh air purifier are communicated with an outdoor air pipe; the air supply opening and the air return opening are directly communicated with the indoor environment. When the fresh air purifier works, outdoor air is firstly pumped into the air inlet chamber, filtered by the air filtering and purifying component in the air inlet chamber and then filtered by the high-efficiency filter screen of the purifying chamber and then sent into the room. Meanwhile, the indoor air with high carbon dioxide content is exhausted to the outside through the exhaust chamber.
The fresh air pipeline and the circulating air pipeline of the existing fresh air purifier are not independently arranged and do not exchange heat, so that the air purification and energy-saving effects are common. For example, CN203899324U discloses an air purification system, which includes an air intake fan, a circulating air fan, a first primary filter device, a second primary filter device, and a third purification device; and air outlets of the air inlet fan and the circulating air fan are communicated with an air inlet of the third purifying device. The system can respectively or simultaneously purify the air purified by the air inlet fan and the circulating air fan again by arranging the shared third purifying device behind the air inlet fan and the circulating air fan, so that the air purifying system has a plurality of working modes, thereby effectively improving the purifying speed and the purifying effect of the indoor air. For another example, CN104456734A discloses a fresh air type air purifier, which includes an air purifier body, one side of the air purifier body is provided with an air return port, the other side of the air purifier body is provided with an air outlet, the inner side of the air purifier body is provided with a purifying device, the inner side of the air purifier body is provided with a fan, and one side of the air purifier body is further provided with a fresh air inlet; the inner side of the air purifier body is also provided with a fan B; an air outlet B is also formed in one side of the air purifier body; an air supply pipe, an air supply pipe B and an outdoor air inlet pipe which are communicated with the air purifier body are arranged, wherein the air outlet side of the fan is sequentially communicated with the air outlet and the air supply pipe; the air outlet side of the fan B is communicated with the air outlet B and the air supply pipe B in sequence; the outdoor air inlet pipe is communicated with the fresh air inlet. Above-mentioned air purifier has promoted air purifier's purification efficiency to supply the new trend indoor.
In addition, the new trend clearing machine is because the noise problem that produces during the operation, generally installs in hidden spaces such as building new trend computer lab or family balcony. The existing fresh air purifier has no national unified standard, the power consumption is generally higher, and the continuous opening in 24 hours is difficult to realize, so that the efficiency of purifying indoor air by using the fresh air purifier is greatly restricted. Moreover, current fresh air purification machine does not generally have hygrothermograph or humiture sensor, consequently, if will know indoor outer humiture change, still need additionally to join in marriage third party check out test set, causes the secondary consumption.
Disclosure of Invention
The invention aims to provide a fresh air purifier which can well reduce noise and monitor the temperature and humidity conditions in real time. The invention further aims to provide a fresh air purifier which can reduce energy consumption and has good air purification effect.
The inventors of the present application have found that the following technical solutions can achieve the above object well.
The invention provides a fresh air purifier, which comprises:
the fresh air purifier body is internally divided into a fresh air channel and an indoor air channel, and the fresh air channel and the indoor air channel are independently arranged to ensure that fresh air and indoor air are not contacted with each other;
the fresh air opening is arranged at the lower part of the fresh air purifier body and is communicated with the fresh air channel;
the air supply opening is arranged at the upper part of the fresh air purifier body and is communicated with the fresh air channel;
the air inlet fan is positioned in the fresh air channel and used for providing power for the flow of fresh air;
the air return opening is arranged at the upper part of the fresh air purifier body and is communicated with the indoor air channel;
the air exhaust opening is arranged in the middle of the fresh air purifier body and is communicated with the indoor air channel; and
the air exhaust fan is positioned in the indoor air channel and used for providing power for the flow of indoor air;
the inner surfaces of the fresh air opening, the air supply opening and the return air opening are provided with hygrothermographs or humiture sensors; the air inlet fan is communicated with the air supply opening through a horn-shaped air outlet, and the air exhaust fan is communicated with the air exhaust opening through an air exhaust silencing tube.
According to the fresh air purifier of the invention, preferably, the air inlet fan and the air exhaust fan are both fans with double-side air inlet modes.
According to the fresh air purification machine of the present invention, preferably, the fresh air purification machine further includes:
the air heat exchanger is positioned in the middle of the fresh air purifier body, is arranged between the fresh air channel and the indoor air channel, and is used for performing heat exchange between fresh air and indoor air;
the first filtering unit is positioned in the fresh air channel, is arranged between the fresh air opening and the gas heat exchanger, and is used for performing first-stage purification on fresh air from the fresh air opening;
and the second filtering unit is positioned in the fresh air channel, is arranged between the air inlet fan and the air supply opening and is used for carrying out secondary purification on the fresh air after heat exchange.
According to the fresh air purifier of the present invention, preferably, the gas heat exchanger is disposed opposite to the air exhaust opening, wherein the gas heat exchanger is disposed on one side of the fresh air purifier body, and the air exhaust opening is disposed on the other side of the fresh air purifier body.
According to the fresh air purifier, preferably, the second filtering unit is arranged above the air inlet fan and below the air supply opening; and the second filtering unit is arranged above the gas heat exchanger.
According to the fresh air purifier of the present invention, preferably, the second filter unit includes:
the fresh air filtering channel is of a hollow structure, the top end of the fresh air filtering channel is closed, and the bottom end of the fresh air filtering channel is communicated with the air inlet fan through the horn-shaped air outlet;
the high-efficiency filter screen is arranged at the periphery of the fresh air filtering channel and used for carrying out secondary purification on the fresh air diffused into the fresh air filtering channel by the fresh air filtering channel; the efficient filter screen can remove particles with the particle size of more than 0.3 micrometer in fresh air;
the purifying fresh air channel is arranged at the periphery of the high-efficiency filter screen, the bottom end of the purifying fresh air channel is closed, and the top end of the purifying fresh air channel is communicated with the air supply opening and is used for collecting fresh air purified by the second stage; wherein, purify the new trend passageway and have streamlined wind-guiding wall.
According to the fresh air purifier, preferably, the first filtering unit is arranged above the fresh air opening and below the gas heat exchanger.
According to the fresh air purifier of the invention, preferably, the first filtering unit comprises a primary filter screen, an activated carbon filter screen and an electrostatic precipitation sterilization device which are sequentially arranged from bottom to top; wherein, the primary filter screen is used for filtering dust and suspended matters with the particle size of more than 5 mu m in the fresh air; the active carbon filter screen is used for removing peculiar smell in fresh air and removing harmful gas; and the electrostatic dust collection and sterilization device is used for capturing pollutant particles in fresh air and killing bacteria and viruses.
According to the fresh air purifier of the invention, preferably, the air supply opening is arranged at the top of the fresh air purifier body, and the return air opening is arranged at the top of the fresh air purifier body.
According to the fresh air purifier, preferably, the outer surface of the fresh air purifier body is provided with the sound absorption layer.
The fresh air channel and the indoor air channel are independently arranged, so that the fresh air channel and the indoor air channel are prevented from being mixed, and the air purification effect is improved. Furthermore, the invention can well reduce noise and monitor the temperature and humidity conditions in real time by arranging the silencing device and adding the sensor. Furthermore, the fresh air purifier of the invention exchanges heat between fresh air and indoor air, thereby having good energy-saving effect. In addition, according to the preferred technical scheme of the invention, the fresh air purifier has the advantages of compact structure, small occupied space and convenience in installation.
Drawings
Fig. 1 is a schematic structural diagram of a fresh air purifier according to the present invention.
Fig. 2 is a schematic view of a trumpet outlet. Wherein A is an incident sound wave.
Fig. 3 is a schematic diagram of a double-sided air intake mode.
Fig. 4 is a schematic view of the air guide wall.
The reference numerals are explained below:
1 is a box body; 2 is a primary filter screen; 3 is an active carbon filter screen; 4 is an electrostatic dust collection and sterilization device; 5 is a gas heat exchanger; 6 is an air inlet fan; 71 is a fresh air filtering channel; 72 is a high-efficiency filter screen; 73 is a purified fresh air channel; 8 is a return air opening; 9 is an air supply opening; 10 is an air exhaust opening; 11 is an exhaust fan; 12 is a fresh air opening; 13 is a horn-shaped air outlet; 14 is an air exhaust silencing tube; 15 is a first temperature and humidity sensor; 16 is a second temperature and humidity sensor; 17 is a third temperature and humidity sensor; 18-streamline wind guide wall.
Detailed Description
The present invention will be further described with reference to the following specific examples, but the scope of the present invention is not limited thereto.
The fresh air purifier comprises a fresh air purifier body, a fresh air opening, an air supply opening, an air inlet fan, a return air opening, an air exhaust opening and an air exhaust fan. The fresh air purifier can also comprise a gas heat exchanger, a first filtering unit and a second filtering unit.
The interior of the fresh air purifier body is divided into a fresh air channel and an indoor air channel, and the fresh air channel and the indoor air channel are independently arranged to ensure that fresh air (outdoor air) and indoor air are not contacted with each other. The fresh air purifier is preferably of a box body structure, so that the occupied area is saved. In the invention, the fresh air channel and the indoor air channel are separated by a physical isolation mode to avoid material exchange between the fresh air channel and the indoor air channel. The present invention may use those physical isolation means known in the art. The air inlet fan is arranged in the fresh air channel; the fresh air opening and the air supply opening are respectively communicated with the fresh air channel. The air exhaust fan is arranged in an indoor air channel; the air return opening and the air exhaust opening are respectively communicated with an indoor air channel.
The fresh air opening is arranged at the lower part of the fresh air purifier body and is communicated with the fresh air channel. The fresh air opening of the invention is used for leading outdoor air (fresh air) into the fresh air channel. In the present invention, preferably, the fresh air opening is disposed at the lowermost portion of the fresh air purifier body. This saves space.
The air supply opening is arranged at the upper part of the fresh air purifier body and is communicated with the fresh air channel. The air supply opening is used for guiding purified fresh air to the indoor. In the present invention, preferably, the air supply opening is provided at the top of the fresh air purifier body. Therefore, the space can be saved, and the comfort level of fresh air is improved.
The air heat exchanger is positioned in the middle of the fresh air purifier body and is arranged between the fresh air channel and the indoor air channel. The air inlet fan is positioned in the fresh air channel and is arranged above the gas heat exchanger. Because the resistance of the gas heat exchanger is large, the air inlet fan is arranged above the gas heat exchanger. Thus, the flow rate of fresh air can be increased. The air intake fan is a device which increases the pressure of gas and discharges the gas by means of input mechanical energy. Generally, an air intake fan is composed of a casing, a main shaft, an impeller, a bearing transmission mechanism, a motor and the like. Specific structures may employ those known in the art.
The air return opening of the invention is arranged at the upper part of the fresh air purifier body and is communicated with the indoor air channel. The return air opening of the invention is used for leading the indoor air into an indoor air channel of the fresh air purifier. Preferably, the return air opening is arranged at the top of the fresh air purifier body, so that the space can be saved.
The air exhaust opening of the invention is arranged in the middle of the fresh air purifier body and is communicated with the indoor air channel. The air exhaust opening is used for guiding indoor air out of the fresh air purifier to the outside. According to an embodiment of the present invention, the air heat exchanger is disposed opposite to the air exhaust opening, wherein the air heat exchanger is disposed on one side of the fresh air purifier body, and the air exhaust opening is disposed on the other side of the fresh air purifier body. The space can be saved to such an arrangement, reduces the volume of new trend clearing machine.
The exhaust fan is positioned in the indoor air channel and is arranged below the exhaust opening. This can increase the flow rate of the indoor air. The exhaust fan is a mechanical device which increases the pressure of gas and discharges the gas by means of input mechanical energy. Generally, an exhaust fan is composed of a casing, a main shaft, an impeller, a bearing transmission mechanism, a motor and the like. Specific structures may employ those known in the art. Preferably, the exhaust fan is arranged in the middle of the fresh air purifier body. According to an embodiment of the present invention, the air heat exchanger is disposed opposite to the exhaust fan, wherein the air heat exchanger is disposed at one side of the fresh air purifier body, and the exhaust fan is disposed at the other side of the fresh air purifier body. The space can be saved to such an arrangement, reduces the volume of new trend clearing machine.
In the invention, the inner surfaces of the fresh air opening, the air supply opening and the return air opening are all provided with a hygrothermograph or a humiture sensor. A thermo-hygrometer denotes an instrument that can measure temperature and/or humidity, preferably both. The temperature and humidity sensor is a device for sensing temperature and/or humidity, preferably a device for sensing both temperature and humidity. Fresh air and indoor air conditions can be monitored in real time through a hygrothermograph or a temperature and humidity sensor.
In the invention, the air inlet fan is communicated with the air supply opening through a horn-shaped air outlet, and the air exhaust fan is communicated with the air exhaust opening through an air exhaust silencing tube. The trumpet-shaped air outlet of the present invention is shown in fig. 2, wherein a is incident sound wave. The silencing principle of the invention is that the silencing cavity is horn-shaped, so that the sectional area of the sound conduction channel is suddenly changed, the sound wave transmission is influenced, and the noise is effectively eliminated. The acoustic attenuation cavity utilizes sudden expansion (or contraction) of the pipe cross-section to cause a sudden change in acoustic impedance within the channel, such that certain frequencies of sound waves propagating along the pipe cannot pass through the acoustic attenuation cavity and be reflected back to the source. Because the sound wave can not pass through the silencing cavity, the sound wave can not be transmitted out, thereby achieving the purpose of silencing. The air exhaust silencing barrel can adopt the conventional silencing equipment in the field and can also adopt a horn-shaped silencing barrel.
According to a specific embodiment of the invention, the air inlet fan and the air exhaust fan are both fans with double-side air inlet modes. The air inlet mode of the fan is shown in figure 3, and the air inlet at the two sides can enable the air direction of the flow channel around the fan to be more even and reasonable, so that the aims of silencing and reducing power consumption are fulfilled. Preferably, the air inlet fan and the air exhaust fan of the invention both adopt fans with four-gear rotating speed, thus being capable of obviously reducing noise.
The gas heat exchanger is used for heat exchange between fresh air and indoor air. For example, in a room with warm air in winter, warm indoor air exchanges heat with cold fresh air to raise the temperature of the fresh air, so that the indoor temperature is ensured to save energy. For another example, in a room with an air conditioner in summer, the cool indoor air and the damp and hot fresh air exchange heat to reduce the temperature and the humidity of the fresh air, so that the indoor temperature and the indoor humidity are ensured to save energy. The gas heat exchanger of the invention can adopt a high-efficiency gas heat exchanger, such as a tubular gas heat exchanger or a plate gas heat exchanger.
The first filtering unit is positioned in the fresh air channel and is arranged between the fresh air opening and the gas heat exchanger. The first filtering unit is used for carrying out primary purification on the fresh air from the fresh air opening. Because environmental pollution, the new trend itself probably has the pollutant, consequently needs carry out purification treatment with the new trend. Preferably, the first filtering unit is arranged above the fresh air opening and below the gas heat exchanger. Thus, the purification effect is better, and the blockage of the gas heat exchanger is prevented. According to an embodiment of the present invention, the first filtering unit comprises a primary filter screen, an activated carbon filter screen and an electrostatic precipitation sterilization device; the three are arranged from bottom to top in sequence. The primary filter screen can also be called as a primary filter screen and is used for filtering dust and suspended matters with the particle size of more than 5 mu m in fresh air. The primary filter screen comprises a plate type primary filter screen, a folding type primary filter screen or a bag type primary filter screen; the outer frame material is a paper frame, an aluminum frame or a galvanized iron frame; the filtering material is non-woven fabric, nylon net or metal mesh net. The activated carbon filter screen is also called as an activated carbon filter screen and is used for removing peculiar smell in fresh air and removing harmful gas. The activated carbon filter screen adopts aluminum honeycombs, plastic honeycombs or paper honeycombs with a through hole structure as a carrier. The off-flavors of the present invention include, but are not limited to, odors and the like. Harmful gases include, but are not limited to, toluene, xylenes, benzenes, phenols, esters, aldehydes, sulfur dioxide, and nitrogen oxides. The electrostatic dust collection and sterilization device is used for capturing pollutant particles in fresh air and killing bacteria and viruses. The electrostatic dust collection and sterilization device can be a common electrostatic dust collector, and ionizes gas by using a high-voltage electric field, so that dust charges in the gas flow are separated from the gas flow under the action of the electric field. According to one embodiment of the present invention, the electrostatic precipitation sterilization apparatus includes an ionization region for electrically charging contaminant particles in fresh air and killing bacteria and viruses, and a dust collection region for collecting the electrically charged contaminant particles and the killed bacteria and viruses. In the electrostatic dust collection and sterilization device, the high-voltage direct-current power supply generates a high-voltage electrostatic field to form corona discharge. The ionization zone charges particles in the air and then captures pollutants in the air in an efficient mode; the charged particles reach the dust collecting area and are adsorbed on the dust collecting plates with opposite polarities; meanwhile, the electrostatic tungsten wire releases 6000V high-voltage static electricity, and can completely kill bacteria and viruses attached to dust instantly.
The second filtering unit is positioned in the fresh air channel and is arranged between the air inlet fan and the air supply opening. The second filtering unit is used for carrying out second-stage purification on the fresh air after heat exchange. According to a specific embodiment of the invention, the second filtering unit is arranged above the air inlet fan and below the air supply opening; and the second filtering unit is arranged above the gas heat exchanger. The second filtering unit comprises an efficient filter screen which is used for removing particles with the particle size of more than 0.3 micron in fresh air. The high-efficiency filter screen can also be called as a high-efficiency air filter, and the removal efficiency of particles with the diameter of more than 0.3 micron can reach more than 99.97 percent. The high-efficiency filter screen can adopt polypropylene filter paper, glass fiber, composite polypropylene-terylene filter paper, melt-blown terylene non-woven fabric or melt-blown glass fiber.
In the present invention, preferably, the second filtering unit includes a fresh air filtering channel, an efficient filtering net and a purified fresh air channel. The fresh air filtering channel is of a hollow structure, the top end of the fresh air filtering channel is sealed, and the bottom end of the fresh air filtering channel is communicated with the air inlet fan through the horn-shaped air outlet and used for leading fresh air into the second filtering unit. The high-efficiency filter screen is arranged at the periphery of the fresh air filtering channel and is used for carrying out secondary purification on the fresh air diffused into the fresh air filtering channel by the fresh air filtering channel; the high-efficiency filter screen can remove particles with the particle size of more than 0.3 microns in fresh air. Purify the new trend passageway setting and be in the periphery of high-efficient filter screen to the bottom is sealed, its top with the air supply opening is linked together for collect the new trend after the second level purifies. The fresh air purified by the second stage is led out to the indoor from the air supply opening. The volume of new trend clearing machine can further be reduced to such setting, practices thrift the space. The purifying fresh air channel of the invention is provided with a streamline air guide wall, as shown in figure 4. The wind guide wall can effectively reduce wind resistance, thereby achieving the purpose of reducing power consumption.
It should be noted that, the specific implementation mode that the air intake fan is communicated with the air supply opening through the horn-shaped air outlet may be: the air intake fan passes through trumpet-shaped air outlet is linked together with new trend filtering channel's bottom, then loops through high-efficient filter screen with purify new trend passageway with the air supply opening realizes the fluid intercommunication.
In order to prevent the material exchange between the fresh air and the indoor air in the fresh air purifier, a plurality of isolation parts are arranged at the positions where the fresh air and the indoor air possibly meet, so that the independence of the fresh air channel and the indoor air channel is ensured. For example, the gas heat exchanger is provided with isolation members at both the upper and lower ends thereof; an isolation component is arranged between the exhaust fan and the first filtering unit; and, set up the spacer member between air exhaust opening and air intake fan. The insulation component of the present invention includes, but is not limited to, insulation panels.
The outer surface of the fresh air purifier body is provided with the sound absorption layer. The sound absorption layer is made of sound absorption materials. The sound-absorbing material has a large number of continuous pores reaching the surface and has a large sound-absorbing capacity, such as carpet, wood wool board, soft fiber board, expanded perlite, and the like. The sound-absorbing layer of the present invention may employ those known in the art and will not be described in detail herein.
Example 1
Fig. 1 is a schematic structural diagram of a fresh air purifier according to the present invention. The fresh air purifier comprises a box body 1, a fresh air opening 12, an air supply opening 9, an air inlet fan 6, a return air opening 8, an air exhaust opening 10 and an air exhaust fan 11. The fresh air purifier also comprises a gas heat exchanger 5, a first filtering unit and a second filtering unit. The fresh air purifier further comprises a first temperature and humidity sensor 15, a second temperature and humidity sensor 16 and a third temperature and humidity sensor 17. The air intake fan 6 and the air exhaust fan 11 of the invention are both provided with a bilateral air intake mode, which is shown in figure 3. A sound absorbing layer (not shown) is provided on the outer surface of the case 1.
The inside of box 1 is separated for new trend passageway and indoor air passageway, and the two sets up independently in order to guarantee not to contact each other between new trend and the indoor air. The air inlet fan 6 is arranged in the fresh air channel; the fresh air opening 12 and the air supply opening 9 are respectively communicated with the fresh air channel. The exhaust fan 11 is arranged in the indoor air channel; the return air opening 8 and the exhaust air opening 10 are respectively communicated with an indoor air channel. The inner surface of the fresh air opening 12 is provided with a third temperature and humidity sensor 17, the inner surface of the air supply opening 9 is provided with a second temperature and humidity sensor 16, and the inner surface of the return air opening 8 is provided with a first temperature and humidity sensor 15. Therefore, the quality of indoor air and fresh air can be monitored in real time. The air inlet fan 6 is communicated with the air supply opening 9 through a trumpet-shaped air outlet 13, and the air outlet fan 11 is communicated with the air outlet opening 10 through a cylindrical air outlet silencing tube 14. This can achieve the effect of reducing noise.
The fresh air opening 12 is arranged at the lowest part of the box body 1 and is used for leading fresh air into a fresh air channel. Air supply opening 9 sets up at the top of box 1 for the new trend after will purifying is derived to indoor. The return air opening 8 is arranged at the top of the box body 1, and can guide indoor air into an indoor air channel of the fresh air purifier. The air exhaust opening 10 is arranged in the middle of the box body 1 and can guide the indoor air out of the fresh air purifier to the outdoor.
The gas heat exchanger 5 is positioned in the middle of the box body 1, is arranged between the fresh air channel and the indoor air channel, and is used for heat exchange between fresh air and indoor air. The gas heat exchanger 5 of the present embodiment is a shell and tube gas heat exchanger. The air intake fan 6 is positioned in the fresh air channel and is arranged above the gas heat exchanger 5. Thus, the flow rate of fresh air can be increased.
The gas heat exchanger 5 is disposed opposite to the air discharge opening 10, and the gas heat exchanger 5 is disposed at one side of the cabinet 1 and the air discharge opening 10 is disposed at the other side of the cabinet 1. The exhaust fan 11 is located in the indoor air passage and is disposed below the exhaust opening 10. Thus, the flow rate of fresh air can be increased. The exhaust fan 11 is arranged in the middle of the box body 1, the gas heat exchanger 5 is arranged opposite to the exhaust fan 11, the gas heat exchanger 5 is arranged on one side of the box body 1, and the exhaust fan 11 is arranged on the other side of the box body 1.
First filter unit can provide the first order for the new trend and purify, and it includes by the primary filter screen 2, active carbon filter screen 3 and the electrostatic precipitation sterilizing equipment 4 that supreme arranges in proper order down. The first filter unit is located in the fresh air channel, is arranged above the fresh air opening 12 and is arranged below the gas heat exchanger 5. Thus, the purification effect is better, and the blockage of the gas heat exchanger is prevented. The primary filter screen 2 can filter dust and suspended matters with the particle size of more than 5 mu m in fresh air. The active carbon filter screen 3 can remove peculiar smell in the fresh air and remove harmful gas. The electrostatic dust collection and sterilization device 4 can capture pollutant particles in fresh air and kill bacteria and viruses.
The second filtering unit can provide a second level of purification for the fresh air, and comprises a fresh air filtering channel 71, a high-efficiency filter screen 72 and a purified fresh air channel 73. The second filtering unit is positioned in the fresh air channel and is arranged above the air inlet fan 6 and below the air supply opening 9; and the second filter unit is arranged above the gas heat exchanger 5. The fresh air filtering channel 71 is of a hollow structure, the top end of the fresh air filtering channel is closed, and the bottom end of the fresh air filtering channel is communicated with the air inlet fan 6 through the horn-shaped air outlet 13 and used for guiding fresh air into the second filtering unit. The trumpet outlet 13 is shaped as shown in fig. 2. High-efficient filter screen 72 sets up in the periphery of new trend filtration passageway 71 for will be carried out the second grade by the new trend that new trend filtration passageway 71 diffused to high-efficient filter screen 72 and purify. The high-efficiency filter screen 72 can remove particles with the particle size of more than 0.3 micron in fresh air. Purify new trend passageway 73 and set up in high-efficient filter screen 72's periphery to the bottom is sealed, and its top is linked together with air supply opening 9 for collect the new trend after the second grade purifies. The fresh air purification channel 73 is provided with a streamline air guide wall 18 (see fig. 4), which can reduce the wind resistance and further reduce the energy consumption.
In order to prevent the fresh air and the indoor air from generating material exchange in the fresh air purifier, the upper end and the lower end of the gas heat exchanger 5 are both provided with isolation components; a separation component is arranged between the exhaust fan 11 and the electrostatic dust collection and sterilization device 4 of the first filter unit; an isolation component is arranged between the air exhaust opening 10 and the air intake fan 6.
The operation of the fresh air cleaner of the present invention is described below. Under the effect of air intake fan 6, come from outdoor new trend and be leaded to the new trend passageway of box 1 by new trend opening 12 in, in proper order through primary effect filter screen 2, active carbon filter screen 3 and electrostatic precipitation sterilizing equipment 4, accomplish the first grade and purify. The fresh air purified by the first stage is subjected to heat exchange with indoor air in the gas heat exchanger 5. The new trend after the heat exchange gets into high-efficient filter screen 72 through air inlet fan 6, tubaeform air outlet 13 and new trend filtration passageway 71 in proper order and purifies for the second level, and the new trend diffusion that the second level purified is to purifying new trend passageway 73 to it is indoor to be derived from air supply opening 9. Under the action of the exhaust fan 11, indoor air is guided into the indoor air channel through the return air opening 8, and heat exchange with fresh air is completed in the gas heat exchanger 5. The heat-exchanged indoor air is discharged from the discharge opening 10 through the discharge fan 11 and the discharge silencer 14 in this order. In the operation process, the first temperature and humidity sensor 15, the second temperature and humidity sensor 16 and the third temperature and humidity sensor 17 monitor the temperature and/or humidity of the return air opening 8, the supply air opening 9 and the fresh air opening 12 in real time.
Example 2
The conditions and components are the same as those in embodiment 1 except that the discharge muffler 14 is changed to a horn shape.
The present invention is not limited to the above-described embodiments, and any variations, modifications, and substitutions which may occur to those skilled in the art may be made without departing from the spirit of the invention.
Claims (1)
1. The utility model provides a new trend clearing machine which characterized in that, new trend clearing machine include:
the air conditioner comprises a box body, a fresh air opening, an air supply opening, an air inlet fan, an air return opening, an air exhaust fan, a gas heat exchanger, a first filtering unit, a second filtering unit, a first temperature and humidity sensor, a second temperature and humidity sensor and a third temperature and humidity sensor;
the air inlet fan and the air exhaust fan are both in a bilateral air inlet mode; the outer surface of the box body is provided with a sound absorption layer;
the interior of the box body is divided into a fresh air channel and an indoor air channel which are arranged independently so as to ensure that the fresh air and the indoor air are not contacted with each other; the air inlet fan is arranged in the fresh air channel; the fresh air opening and the air supply opening are respectively communicated with the fresh air channel; the exhaust fan is arranged in the indoor air channel; the air return opening and the air exhaust opening are respectively communicated with an indoor air channel; a third temperature and humidity sensor is arranged on the inner surface of the fresh air opening, a second temperature and humidity sensor is arranged on the inner surface of the air supply opening, and a first temperature and humidity sensor is arranged on the inner surface of the return air opening; the air inlet fan is communicated with the air supply opening through a horn-shaped air outlet, and the air exhaust fan is communicated with the air exhaust opening through a cylindrical air exhaust silencing tube;
the fresh air opening is arranged at the lowest part of the box body and used for leading fresh air into the fresh air channel; the air supply opening is arranged at the top of the box body and used for guiding purified fresh air to the indoor; the air return opening is arranged at the top of the box body and guides indoor air into an indoor air channel of the fresh air purifier; the air exhaust opening is arranged in the middle of the box body and guides the indoor air out of the fresh air purifier to the outside;
the air heat exchanger is positioned in the middle of the box body, is arranged between the fresh air channel and the indoor air channel and is used for carrying out heat exchange between fresh air and indoor air; the gas heat exchanger is a tube type gas heat exchanger; the air inlet fan is positioned in the fresh air channel and is arranged above the gas heat exchanger;
the air heat exchanger is arranged opposite to the air exhaust opening, the air heat exchanger is arranged on one side of the box body, and the air exhaust opening is arranged on the other side of the box body; the air exhaust fan is positioned in the indoor air channel and is arranged below the air exhaust opening; the air exhaust fan is arranged in the middle of the box body, the air heat exchanger is arranged opposite to the air exhaust fan, the air heat exchanger is arranged on one side of the box body, and the air exhaust fan is arranged on the other side of the box body;
the first filtering unit provides first-stage purification for fresh air and comprises a primary filter screen, an active carbon filter screen and an electrostatic dust collection and sterilization device which are sequentially arranged from bottom to top; the first filtering unit is positioned in the fresh air channel, arranged above the fresh air opening and arranged below the gas heat exchanger; the primary filter screen filters dust and suspended matters with the particle size of more than 5 mu m in fresh air; the active carbon filter screen removes peculiar smell in the fresh air and removes harmful gas; the electrostatic dust collection and sterilization device captures pollutant particles in fresh air and kills bacteria and viruses;
the second filtering unit provides second-stage purification for fresh air and comprises a fresh air filtering channel, a high-efficiency filter screen and a purified fresh air channel; the second filtering unit is positioned in the fresh air channel and is arranged above the air inlet fan and below the air supply opening; and the second filter unit is arranged above the gas heat exchanger; the fresh air filtering channel is of a hollow structure, the top end of the fresh air filtering channel is closed, and the bottom end of the fresh air filtering channel is communicated with the air inlet fan through a horn-shaped air outlet and is used for guiding fresh air into the second filtering unit; the high-efficiency filter screen is arranged at the periphery of the fresh air filtering channel and is used for carrying out secondary purification on the fresh air diffused to the high-efficiency filter screen from the fresh air filtering channel; the high-efficiency filter screen can remove particles with the particle size of more than 0.3 micron in fresh air; the purified fresh air channel is arranged at the periphery of the high-efficiency filter screen, the bottom end of the purified fresh air channel is closed, and the top end of the purified fresh air channel is communicated with the air supply opening and is used for collecting the fresh air purified by the second stage; the purifying fresh air channel is provided with a streamline air guide wall;
the upper end and the lower end of the gas heat exchanger are both provided with an isolation component; an isolation component is arranged between the exhaust fan and the electrostatic dust collection and sterilization device of the first filter unit; an isolation component is arranged between the air exhaust opening and the air inlet fan;
under the action of the air inlet fan, fresh air from the outside is guided into a fresh air channel of the box body through a fresh air opening, and sequentially passes through a primary filter screen, an active carbon filter screen and an electrostatic dust collection and sterilization device to complete primary purification; the fresh air purified by the first stage completes heat exchange with indoor air in the gas heat exchanger; the fresh air after heat exchange sequentially passes through the air inlet fan, the horn-shaped air outlet and the fresh air filtering channel to enter the high-efficiency filter screen for secondary purification, and the fresh air purified by the secondary purification is diffused to the purified fresh air channel and is led out to the room from the air supply opening; under the action of the exhaust fan, indoor air is guided into the indoor air channel through the return air opening and exchanges heat with fresh air in the air heat exchanger; the heat-exchanged indoor air is exhausted from the air exhaust opening through the air exhaust fan and the air exhaust silencing barrel in sequence; in the operation process, the first temperature and humidity sensor, the second temperature and humidity sensor and the third temperature and humidity sensor monitor the temperature and/or the humidity of the return air opening, the air supply opening and the fresh air opening in real time;
wherein the high-efficiency filter screen is polypropylene filter paper, composite polypropylene-terylene filter paper, melt-blown terylene non-woven fabric or melt-blown glass fiber.
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| CN201610738373.8A CN106196405B (en) | 2016-08-26 | 2016-08-26 | Fresh air purifier |
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| CN201610738373.8A CN106196405B (en) | 2016-08-26 | 2016-08-26 | Fresh air purifier |
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| CN106196405B true CN106196405B (en) | 2022-03-18 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106765849A (en) * | 2017-01-25 | 2017-05-31 | 皓庭（北京）科技有限公司 | Heat-exchange fan and heat-exchange system |
| CN109539421A (en) * | 2017-09-22 | 2019-03-29 | 江苏智谋科技有限公司 | The nano photo-catalytic disinfecting air purification device of fresh air system |
| CN108870574A (en) * | 2018-07-19 | 2018-11-23 | 江苏中科睿赛污染控制工程有限公司 | A kind of aeration device |
| CN111878955A (en) * | 2020-08-10 | 2020-11-03 | 宁波奈兰环境系统有限公司 | Total heat exchange fresh air purification and disinfection machine |
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| CN106196405A (en) | 2016-12-07 |
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