CN109000324B - Energy-saving fresh air device capable of saving space - Google Patents
Energy-saving fresh air device capable of saving space Download PDFInfo
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- CN109000324B CN109000324B CN201810606387.3A CN201810606387A CN109000324B CN 109000324 B CN109000324 B CN 109000324B CN 201810606387 A CN201810606387 A CN 201810606387A CN 109000324 B CN109000324 B CN 109000324B
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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
- F24F7/007—Ventilation with forced flow
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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
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/12—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of sliding members
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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
- F24F13/20—Casings or covers
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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
- F24F7/00—Ventilation
- F24F7/007—Ventilation with forced flow
- F24F7/013—Ventilation with forced flow using wall or window fans, displacing air through the wall or window
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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
- F24F13/20—Casings or covers
- F24F2013/205—Mounting a ventilator fan therein
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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
- F24F2221/00—Details or features not otherwise provided for
- F24F2221/14—Details or features not otherwise provided for mounted on the ceiling
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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
- F24F2221/00—Details or features not otherwise provided for
- F24F2221/17—Details or features not otherwise provided for mounted in a wall
Abstract
The invention provides an energy-saving fresh air device capable of saving space, which comprises a fresh air fan module, an exhaust air fan module, a bidirectional heat exchanger, an air duct baffle, an air guide piece, a shell, an air supply duct and an air outlet cover. The cylindrical inner core of the bidirectional heat exchanger and the corrugated outer core structure arranged on the periphery of the inner core effectively utilize space, so that the space-saving energy-saving air refresher has light weight on the premise of ensuring the sufficient heat exchange of fresh air and exhaust air, is suitable for being installed on walls, ceilings and other places, is convenient to install, saves space, and has extremely low transportation and installation cost; the inner core and the outer core of the bidirectional heat exchanger are both red copper cores, and the wall surface of the outer core is pressed with 0.5-1 mm deep raised grains, so that the heat transfer coefficient of the bidirectional heat exchanger can be increased, and energy is saved; in addition, triple filtration protection can provide clean air and guarantee that the wind channel is clean for the user avoid practice thrift the energy-conserving fresh air ware in space frequently overhauls and clears up.
Description
Technical Field
The invention relates to the field of a ventilator, in particular to an energy-saving ventilator capable of saving space.
Background
The fresh air device with the heat exchange function is a device for exchanging heat in air and heat in indoor air, effectively achieves an energy-saving effect, and is applied to various daily occasions. As the population increases, the urban land use is more and more tense, and the house price is also greatly increased, so that the full utilization of indoor space is undoubtedly the key point of human attention. The heat exchange module of the existing wall-mounted fresh air ventilator with the heat recovery module is arranged in a host, and the heat exchange module occupies a considerable space of the host, so that the host of the heat recovery fresh air ventilator is large and heavy in volume, occupies room space and brings inconvenience to installation; in addition, the air impurity filtering effect of some fresh air devices is not ideal, and the control system is not intelligent enough and not enough to meet the market demand.
Disclosure of Invention
The invention aims to provide a space-saving energy-saving ventilator which has light weight on the premise of ensuring the full heat exchange of fresh air and exhausted air, is suitable for being installed in places such as walls, ceilings and the like, is convenient to install, saves space and has extremely low cost of transportation and installation; and the space-saving energy-saving fresh air device is provided with a plurality of layers of air filter screens, so that clean fresh air can be provided for users.
The invention provides an energy-saving fresh air device capable of saving space, which comprises:
the air conditioner comprises a cylindrical shell with an inner cavity, wherein the shell comprises a fresh air inlet, a fresh air outlet, an air exhaust inlet and an air exhaust outlet, and the fresh air outlet is provided with a filter screen;
the bidirectional heat exchanger is arranged in the inner cavity of the shell and comprises a cylindrical inner core and a corrugated outer core fixedly connected with the periphery of the cylindrical inner core, a fresh air duct is formed between the inner core and the outer core, and an exhaust duct is formed between the shell and the outer core of the bidirectional heat exchanger;
the fresh air fan module is arranged in the inner cavity of the shell and comprises a fresh air fan and a fresh air fan mounting piece, the fresh air fan is used for sucking outdoor air into the fresh air inlet, sending the air to the fresh air outlet through the fresh air channel and then discharging the air into a room, and the fresh air fan mounting piece is fixedly connected with one end of the bidirectional heat exchanger and is used for accommodating and fixing the fresh air fan; and
an air exhaust fan module, it set up in the inner chamber of shell and with the new trend fan module sets up on same axis, air exhaust fan module includes an air exhaust fan and an air exhaust fan installed part, air exhaust fan is used for drawing the room air and gets into air exhaust air intake, and the process the exhaust duct sends the air out it is outdoor to discharge behind the air exhaust outlet, air exhaust fan installed part with two-way heat exchanger other end fixed connection is used for holding and fixing air exhaust fan.
Preferably, an air duct baffle is arranged inside the inner core, the air duct baffle is located between the fresh air outlet and the air exhaust outlet, and the radius of the air duct baffle is the same as the inner diameter of the inner core.
Preferably, the shell comprises a cylindrical main body, an indoor end cover plate and an outdoor end cover plate, the indoor end cover plate and the outdoor end cover plate are arranged at two ends of the main body, the fresh air outlet is arranged on the indoor end cover plate, the fresh air inlet is arranged on the surface of the outdoor end cover plate connected with the main body, and the air exhaust outlet is arranged on the surface of the outdoor end cover plate opposite to the indoor end cover plate.
Preferably, an air guide member is connected between the indoor end cover plate and the main body, the air guide member comprises a fresh air outlet channel and an exhaust air inlet channel, the fresh air outlet channel is fixedly connected with the indoor end cover plate, the air guide member is movably connected with the shell main body and can axially extend and retract along the central shaft of the shell main body, and the air guide member and the indoor end cover plate axially slide out along the central shaft of the shell main body and then expose out of the exhaust air inlet during work.
Preferably, a fresh air duct opening communicated with the fresh air duct is formed at the indoor end of the inner core, and an exhaust air duct opening communicated with the exhaust duct is formed at the outdoor end of the inner core; the inner core with install the windshield between the indoor end of outer core, the shell with install the windshield between the outdoor end of outer core for keep apart the new trend way with the exhaust airway.
Preferably, the fresh air fan mounting part is fixedly connected with an air supply duct by an indoor end, and the air supply duct is located inside the shell and used for leading out air outlet of the fresh air fan.
Preferably, an air outlet cover is fixedly connected to the interior of the shell close to the indoor end and used for leading out fresh air coming out of the fresh air fan to the indoor.
Preferably, the fresh air inlet and the exhaust air outlet are both provided with a primary filter screen for primary filtering of outside air; an annular plastic filter screen is arranged at the outer end of the bidirectional heat exchanger close to the room between the outer shell and the inner core and is used for filtering air entering from the fresh air inlet again; the inner end of the bidirectional heat exchanger close to the room is arranged between the shell and the inner core, and a circular plastic filter screen is arranged between the shell and the inner core and used for primarily filtering air entering from the air exhaust air inlet duct.
Preferably, the filter screen of new trend air outlet is the double-deck filter screen that HPM board-like well effect airstrainer and primary air trainer constitute, primary air trainer installs and is close to indoor one side.
Preferably, the inner core and the outer core of the bidirectional heat exchanger are both red copper cores, and the wall surface of the outer core of the bidirectional heat exchanger is pressed with 0.5-1 mm deep raised grains for increasing the heat transfer coefficient of the bidirectional heat exchanger.
The invention provides a space-saving energy-saving air freshener, which effectively utilizes space by a cylindrical inner core of a bidirectional heat exchanger and a corrugated outer core structure arranged on the periphery of the inner core, wherein an air guide piece can slide along a shell main body and can be embedded in the shell main body when not working, and the air guide piece can slide out of the shell main body when working, so that the space is effectively saved, the space-saving energy-saving air freshener has light weight on the premise of ensuring the sufficient heat exchange of fresh air and exhaust air, is suitable for being arranged on a wall body, a ceiling top and the like, is convenient to install and saves space, and has extremely low transportation and installation cost; the inner core and the outer core of the bidirectional heat exchanger are both red copper cores, and the wall surface of the outer core is pressed with 0.5-1 mm deep raised grains, so that the heat transfer coefficient of the bidirectional heat exchanger can be increased, and energy is saved; in addition, the indoor end of two-way heat exchanger is provided with plastic filters and filters, the air outlet of airing exhaust on the outdoor end cover board is provided with the primary filter screen and can guarantees that the wind channel of airing exhaust is clean, the outdoor new trend of the energy-conserving fresh air ware in saving space is through the primary filter screen filtration back on the outdoor end cover board, passes through again the plastic filters of the outdoor end of two-way heat exchanger filters, just enters into indoorly after the double-deck filter screen filtration of indoor end at last, and triple filtration protection can provide clean air and guarantee that the wind channel is clean for the user, avoids the energy-conserving fresh air ware in saving space frequently overhauls and clears up.
Drawings
Fig. 1 is a schematic structural diagram of a disassembled state of a space-saving energy-saving fresh air device provided by a first embodiment of the invention;
FIG. 2 is a schematic view of the energy-saving air blower in a use state for saving space according to the first embodiment of the present invention;
FIG. 3 is a schematic structural diagram of an outer end cover plate of a space-saving energy-saving fresh air device housing according to a first embodiment of the present invention;
FIG. 4 is a schematic view of a part of the structure of the space-saving energy-saving bidirectional heat exchanger of the air freshener provided by the first embodiment of the invention;
fig. 5 is a schematic structural view of an outer core wall surface of the space-saving energy-saving bidirectional heat exchanger of the air freshener according to the first embodiment of the present invention.
Detailed Description
The embodiments described below are only a part of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 5, the embodiment provides a space-saving energy-saving air freshener, which has a light weight on the premise of ensuring sufficient heat exchange between fresh air and exhausted air, is suitable for being installed in a wall, a ceiling or the like, is convenient to install, saves space, and has extremely low transportation and installation cost; and the energy-saving fresh air device for saving space is provided with multiple air filter screens, so that clean fresh air can be provided for users.
Referring to fig. 1, the space-saving energy-saving fresh air machine includes: the air conditioner comprises a shell with an inner cavity, a fresh air fan module, an exhaust fan module, a bidirectional heat exchanger 5, an air duct baffle 6, an air guide 7, an air supply duct 9 and an air outlet cover 10.
The outer shell comprises a fresh air inlet 821, a fresh air outlet 831, a vent air inlet 833 and a vent air outlet 822, wherein the fresh air outlet 831 is provided with a filter screen 832; in this embodiment, the housing includes a cylindrical main body 81, an indoor end cover 83 and an outdoor end cover 82, the indoor end cover 83 and the outdoor end cover 82 are disposed at two ends of the main body, the fresh air outlet 831 is disposed on the indoor end cover 83, the fresh air inlet 821 is disposed on a surface of the outdoor end cover 82 connected to the main body 81, and the exhaust air outlet 822 is disposed on a surface of the outdoor end cover 82 opposite to the indoor end cover 83.
The bidirectional heat exchanger 5 is located in the inner cavity of the outer shell, the bidirectional heat exchanger 5 comprises a cylindrical inner core 51 and a corrugated outer core 52 fixedly connected with the outer periphery of the cylindrical inner core 51, a fresh air duct (not shown) is formed between the inner core 51 and the outer core 52, and an exhaust duct (not shown) is formed between the outer shell and the outer core 51 of the bidirectional heat exchanger 5.
The fresh air fan module is disposed in the inner cavity of the housing, the fresh air fan module includes a fresh air fan 1 and a fresh air fan mounting member 2, the fresh air fan 1 is disposed in the inner cavity of the housing, the fresh air fan 1 is used for sucking outdoor air to enter the fresh air inlet 821, and the fresh air duct (not shown) delivers the air to the fresh air outlet 831 and then discharges the air into the room. Fresh air fan installed part 2 is located in the inner chamber of shell and with 5 one end fixed connection of two-way heat exchanger, fresh air fan installed part 2 is used for holding and fixing fresh air fan 1.
The utility model discloses a novel air conditioner, including shell, air exhaust fan module, air exhaust fan 3, air exhaust fan module, air exhaust duct (not shown), air outlet 822, discharge to the room outside, the rotational speed of air exhaust fan 3 is less than the rotational speed of new trend fan 1 for indoor formation pressure-fired power is avoided outdoor impurity to flow into indoor. The exhaust fan mounting piece 4 is positioned in the inner cavity of the shell and is fixedly connected with the other end of the bidirectional heat exchanger 5, and the exhaust fan mounting piece 4 is used for accommodating and fixing the exhaust fan 3.
In this embodiment, an air duct baffle 6 is disposed inside the inner core 51, the air duct baffle 6 is located between the fresh air outlet 831 and the exhaust air outlet 822, and the radius of the air duct baffle 6 is the same as the inner diameter of the inner core 51.
In this embodiment, an air guide 7 is connected between the indoor end cover plate 83 and the main body 81, the air guide 7 includes a fresh air outlet duct 71 and an exhaust air inlet duct 72, the fresh air outlet duct 71 is fixedly connected with the indoor end cover plate 83, the air guide 7 is movably connected with the main housing 81 and can axially slide along the central shaft of the main housing 81, and during operation, the air guide 7 and the indoor end cover plate 83 axially slide along the central shaft of the main housing 81 to expose the exhaust air inlet 833.
In this embodiment, a fresh air duct port 511 is disposed at an indoor end of the inner core 51 and is communicated with the fresh air duct (not shown), and an exhaust air duct port 512 is disposed at an outdoor end of the inner core 51 and is communicated with the exhaust duct (not shown); a wind-blocking sheet 523 is installed between the inner core 51 and the indoor end of the outer core 52, and a wind-blocking sheet (not shown) is installed between the outer shell body 81 and the outdoor end of the outer core 52, so as to isolate the fresh air duct (not shown) from the exhaust duct (not shown).
In this embodiment, new trend fan installed part 2 leans on indoor end fixedly connected with air supply duct 9, air supply duct 9 is located inside the shell for draw forth the air-out of new trend fan 1.
In this embodiment, the inside of the housing is fixedly connected with an air outlet cover 10 close to the indoor end, and the air outlet cover is used for leading out the fresh air coming out from the fresh air fan 1 to the indoor.
In this embodiment, the fresh air inlet 821 on the outdoor end cover plate 82 is provided with a primary filter screen 823, and the exhaust air outlet 822 is provided with a primary filter screen 824 for primary filtering of the outside air; an annular plastic filter screen (not shown) is arranged at the outer end of the bidirectional heat exchanger 5 close to the room between the outer shell and the inner core 51 and is used for filtering air entering from the fresh air inlet 821 again; an annular plastic filter screen 53 is arranged at the inner end of the bidirectional heat exchanger 5 close to the room between the outer shell and the inner core 51 and is used for filtering air entering from the exhaust air inlet 833 for the first time.
In this embodiment, the filter screen of the fresh air outlet 831 is a double-layer filter screen 832 formed by an HPM plate-type intermediate efficiency air filter screen (not shown) and a primary efficiency air filter screen (not shown), and the primary efficiency air filter screen (not shown) is installed near one indoor side.
In this embodiment, the inner core 51 and the outer core 52 of the bidirectional heat exchanger are both made of red copper, and the wall surface of the outer core 52 of the bidirectional heat exchanger 5 is pressed with 0.5-1 mm deep raised grains for increasing the heat transfer coefficient of the bidirectional heat exchanger.
The embodiment provides an energy-saving fresh air device with saved space, the cylindrical inner core 51 of the bidirectional heat exchanger 5 and the corrugated outer core 52 arranged on the periphery of the inner core 51 effectively utilize space, the air guide member 7 can slide along the main body 81 of the shell and can be embedded in the main body 81 of the shell when not in work, the air guide member 7 can slide out of the main body 81 of the shell when in work, the space is effectively saved, the energy-saving fresh air device with saved space has light weight on the premise of ensuring the sufficient heat exchange of fresh air and exhaust air, is suitable for being installed on walls, ceilings and other places, is convenient to install and saves space, and has extremely low cost in transportation and installation; the inner core 51 and the outer core 52 of the bidirectional heat exchanger 5 are both red copper cores, and the wall surface of the outer core 52 is pressed with 0.5-1 mm deep wave patterns, so that the heat transfer coefficient of the bidirectional heat exchanger can be increased, and energy is saved; in addition, 5 indoor ends of two-way heat exchanger are provided with plastic filters 53, air outlet 822 in airing exhaust on the outdoor end cover plate 82 is provided with primary filter screen 824 and can guarantees that the wind channel of airing exhaust is clean, the outdoor new trend of the energy-conserving fresh air ware in saving space filters the back through primary filter screen 823 on the outdoor end cover plate 82, passes through again the plastic filters (not shown) of the outdoor end of two-way heat exchanger 5 filters, just enters into indoorly after the double-deck filter screen 832 filtration of indoor end at last, and triple filtration protection can provide clean air and guarantee that the wind channel is clean for the user, avoids the energy-conserving fresh air ware in saving space frequently overhauls and clears up.
The above disclosure is only one preferred embodiment of the present invention, and certainly should not be taken as limiting the scope of the invention, which is defined by the claims and their equivalents.
Claims (7)
1. An energy-saving ventilator for saving space, characterized in that the energy-saving ventilator for saving space comprises:
the air conditioner comprises a cylindrical shell with an inner cavity, wherein the shell comprises a fresh air inlet, a fresh air outlet, an air exhaust inlet and an air exhaust outlet, and the fresh air outlet is provided with a filter screen;
the bidirectional heat exchanger is arranged in the inner cavity of the shell and comprises a cylindrical inner core and a corrugated outer core fixedly connected with the periphery of the cylindrical inner core, a fresh air duct is formed between the inner core and the outer core, and an exhaust duct is formed between the shell and the outer core of the bidirectional heat exchanger;
the fresh air fan module is arranged in the inner cavity of the shell and comprises a fresh air fan and a fresh air fan mounting piece, the fresh air fan is used for sucking outdoor air into the fresh air inlet, sending the air to the fresh air outlet through the fresh air channel and then discharging the air into a room, and the fresh air fan mounting piece is fixedly connected with one end of the bidirectional heat exchanger and is used for accommodating and fixing the fresh air fan; and
the air exhaust fan module is arranged in the inner cavity of the shell and is arranged on the same central axis with the fresh air fan installation module, the air exhaust fan module comprises an air exhaust fan and an air exhaust fan installation piece, the air exhaust fan is used for sucking indoor air to enter the air exhaust air inlet, sending the air to the air exhaust air outlet through the air exhaust duct and then exhausting the air to the outside, and the air exhaust fan installation piece is fixedly connected with the other end of the bidirectional heat exchanger and is used for accommodating and fixing the air exhaust fan;
the shell comprises a cylindrical main body, an indoor end cover plate and an outdoor end cover plate, the indoor end cover plate and the outdoor end cover plate are arranged at two ends of the main body, the fresh air outlet is arranged on the indoor end cover plate, the fresh air inlet is arranged on the surface of the outdoor end cover plate connected with the main body, and the air exhaust outlet is arranged on the surface of the outdoor end cover plate opposite to the indoor end cover plate;
the indoor end cover plate with be connected with an air guide between the main part, the air guide includes a new trend air-out duct and a row of wind inlet duct, the new trend air-out duct with indoor end cover plate fixed connection, the air guide with shell main part swing joint just can follow shell center pin endwise slip, the during operation the air guide with indoor end cover plate is followed shell center pin endwise slip exposes the air intake of airing exhaust.
2. The space-saving energy-saving fresh air device as claimed in claim 1, wherein a fresh air duct opening is arranged at the indoor end of the inner core, which is communicated with the fresh air duct, and an exhaust air duct opening is arranged at the outdoor end of the inner core, which is communicated with the exhaust air duct; the inner core with install the windshield between the indoor end of outer core, the shell with install the windshield between the outdoor end of outer core for keep apart the new trend way with the exhaust airway.
3. The space-saving energy-saving fresh air device as claimed in claim 1, wherein a supply duct is fixedly connected to the fresh air fan mounting member near the indoor end, and the supply duct is located inside the casing and is used for leading out the outlet air of the fresh air fan.
4. The space-saving and energy-saving fresh air device as claimed in claim 1, wherein an air outlet cover is fixedly connected to the inner cavity of the housing close to the indoor end, and is used for leading fresh air coming out of the fresh air fan to the indoor.
5. The space-saving energy-saving fresh air device as claimed in claim 1, wherein the fresh air inlet and the air outlet are both provided with a primary filter screen for primary filtering of the outside air; an annular plastic filter screen is arranged at the outer end of the bidirectional heat exchanger close to the room between the outer shell and the inner core and is used for filtering air entering from the fresh air inlet again; the inner end of the bidirectional heat exchanger close to the room is arranged between the shell and the inner core, and a circular plastic filter screen is arranged between the shell and the inner core and used for primarily filtering air entering from the air exhaust air inlet duct.
6. The space-saving energy-saving fresh air device according to claim 1, wherein the filter screen of the fresh air outlet is a double-layer filter screen consisting of an HPM plate type intermediate-efficiency air filter screen and a primary-efficiency air filter screen, and the primary-efficiency air filter screen is installed at one side close to the indoor space.
7. The space-saving energy-saving fresh air device as claimed in claim 1, wherein the inner core and the outer core of the bidirectional heat exchanger are both made of purple copper, and the wall surface of the outer core of the bidirectional heat exchanger is pressed with 0.5-1 mm deep wave patterns for increasing the heat transfer coefficient of the bidirectional heat exchanger.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810606387.3A CN109000324B (en) | 2018-06-13 | 2018-06-13 | Energy-saving fresh air device capable of saving space |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810606387.3A CN109000324B (en) | 2018-06-13 | 2018-06-13 | Energy-saving fresh air device capable of saving space |
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| CN109000324A CN109000324A (en) | 2018-12-14 |
| CN109000324B true CN109000324B (en) | 2020-09-15 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2020171719A1 (en) * | 2019-02-22 | 2020-08-27 | Peakvent As | Dual mode impeller assembly and a ventilation unit |
| CN110398018A (en) * | 2019-07-05 | 2019-11-01 | 云森威尔智能环境（深圳）有限公司 | The concealed annular twin voltage electrostatic field of wall feed-through pipeline filters heat-exchange device |
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| US20040178765A1 (en) * | 2003-03-12 | 2004-09-16 | O'brien John F. | Integrated fuel reformer and heat exchanger |
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| FR940764A (en) * | 1947-02-06 | 1948-12-22 | calorie exchanger | |
| CN203052906U (en) * | 2013-01-25 | 2013-07-10 | 沈阳市沈海牧业有限公司 | Temperature-remained fresh air ventilator |
| CN104515241A (en) * | 2013-09-26 | 2015-04-15 | 建准电机工业股份有限公司 | Air flow exchanging device |
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| Publication number | Publication date |
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| CN109000324A (en) | 2018-12-14 |
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