CN112303790B - New fan - Google Patents
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- CN112303790B CN112303790B CN202011224778.2A CN202011224778A CN112303790B CN 112303790 B CN112303790 B CN 112303790B CN 202011224778 A CN202011224778 A CN 202011224778A CN 112303790 B CN112303790 B CN 112303790B
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- air
- outdoor
- exhaust
- duct
- fresh air
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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
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
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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
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/56—Heat recovery units
Abstract
The invention discloses a new fan, comprising: the air conditioner comprises a shell, a heat exchanger arranged in the shell, an indoor fresh air outlet, an indoor air exhaust inlet, an outdoor fresh air inlet and an outdoor air exhaust outlet which are arranged on the side surface of the shell, a fresh air duct communicated with the outdoor fresh air inlet and the indoor fresh air outlet, an air exhaust duct communicated with the indoor air exhaust inlet and the outdoor air exhaust outlet, and an internal circulation air valve which is switched off and communicated with the fresh air duct and the air exhaust duct to form an internal circulation air duct. The invention can switch the full heat exchange mode and the internal circulation mode only by controlling the moving position of the air valve plate on the internal circulation air valve, so that the switching process is smoother and more reliable, the switching failure caused by the need of simultaneously controlling a plurality of air valves is avoided, and meanwhile, the internal circulation mode can avoid the situation that an exchange membrane in an exchange core body is collapsed or even broken due to exceeding the operation range when a fresh air machine operates in low temperature, high humidity or other severe weather conditions.
Description
Technical Field
The invention relates to the field of air purification equipment, in particular to a new fan.
Background
The new fan gradually enters the life of people and becomes another important air conditioning device. The new fan on the market at present has heat recovery and air purification function, carries out heat recovery to airing exhaust through the heat exchange core, and the unit sets up the filter screen and purifies the new trend of introducing.
When the existing total heat exchange fresh air fan operates in low temperature, high humidity or other severe weather conditions, the exchange membrane in the exchange core body can collapse or even break due to exceeding the operation range, so that the unit has a certain operation range. In order to meet the requirements of different climatic environments, the total heat exchange fresh air fan with the internal circulation function is provided, when the unit is started in the internal circulation mode, the introduction of fresh air is stopped, and indoor return air is purified in the unit and then is returned to the indoor. The device can be used for dealing with low temperature, high humidity or other severe weather conditions, and can also be used for cleaning indoor pollutants. The existing internal circulation mode needs to switch a plurality of air valves for mode switching, and is complex to control and easy to fail.
Disclosure of Invention
The invention provides a new fan, aiming at solving the technical problem that in the prior art, control is complex and failure is easy to occur due to the fact that a plurality of air valves need to be opened and closed simultaneously when an internal circulation mode is switched.
The technical scheme adopted by the invention is as follows:
the invention provides a new fan, comprising: the air conditioner comprises a shell, a heat exchanger arranged in the shell, an indoor fresh air outlet, an indoor exhaust inlet, an outdoor fresh air inlet and an outdoor exhaust outlet which are arranged on the side surface of the shell, a fresh air duct which is communicated with the outdoor fresh air inlet and the indoor fresh air outlet and exchanges heat through the heat exchanger, an exhaust air duct which is communicated with the indoor exhaust inlet and the outdoor exhaust outlet and exchanges heat through the heat exchanger, and an internal circulation air valve which is switched off and communicated with the fresh air duct and the exhaust air duct to form an internal circulation air duct.
Furthermore, the air exhaust duct comprises a diversion duct communicated with the outdoor air exhaust outlet, the fresh air duct comprises a third air chamber communicated with an outdoor fresh air inlet and a second air inlet side of the heat exchanger, and an internal circulation air port is arranged on the inner wall of the diversion duct adjacent to the third air chamber.
The internal circulation blast gate includes: the air valve outer frame is arranged in the shell and positioned at the same side with the outdoor air exhaust outlet, and an air valve plate of the air valve outer frame can extend out or be inserted into the air valve outer frame; when the valve plate of the air valve is inserted into the outer frame of the air return valve, the fresh air inlet and the outdoor air exhaust outlet are avoided, and the inner circulation air port is covered; and when the valve plate of the air valve extends out of the air valve outer frame, the fresh air inlet and the outdoor air exhaust outlet are blocked and the internal circulation air port is avoided.
The blast gate valve plate includes: the first baffle is arranged on the outer frame of the air valve and covers the side surface of the shell part, the second baffle is connected to the inner side of the first baffle and can cover the inner circulation air port, and an opening is formed in the middle of the first baffle; when the valve plate of the air valve is inserted into the outer frame of the air return valve, the opening is overlapped with the outdoor exhaust outlet, and the second baffle covers the internal circulation air port; when the air valve plate extends out of the air valve outer frame, the first baffle moves close to the position of the lateral outdoor fresh air inlet in the shell to block the outdoor fresh air inlet and the outdoor air exhaust outlet, and the second baffle moves along with the first baffle and is spaced from the internal circulation air port.
The internal circulation blast gate still includes: and the driving component is arranged on the air valve outer frame and drives the air valve plate to move.
The drive assembly includes: the air valve comprises a rack rail arranged parallel to the moving direction of an air valve plate, a rack connected with the air valve plate and installed in the rack rail, a gear installed on the rack rail and matched with the rack, and a motor driving the gear to rotate.
Furthermore, a fresh air filter is arranged at the indoor fresh air outlet.
Further, the wind channel of airing exhaust still includes: the air-conditioning system comprises a first air chamber, a second air chamber and an air exhaust fan component, wherein the first air chamber is communicated with an indoor air exhaust inlet and a first air inlet side of a heat exchanger, the second air chamber is communicated with a diversion air duct and a first air outlet side of the heat exchanger, the air exhaust fan component is arranged in the second air chamber, and the first air inlet side of the heat exchanger is communicated with the first air outlet side.
Fresh air duct still includes: the second air outlet side of the heat exchanger is communicated with a fourth air chamber of the indoor fresh air outlet, and a fresh air fan component is arranged in the fourth air chamber, and the second air inlet side of the heat exchanger is communicated with the second air outlet side.
Preferably, the exhaust fan part and the fresh air fan part may be driven by a dual-shaft motor or may be driven by a plurality of single-shaft motors, respectively.
Compared with the prior art, the invention can switch the full heat exchange mode and the internal circulation mode only by controlling the moving position of one air valve plate on one internal circulation air valve, so that the switching process is smoother and more reliable, the switching failure caused by the need of simultaneously controlling a plurality of air valves is avoided, and meanwhile, the internal circulation mode can avoid the phenomenon that the exchange membrane in the exchange core body is collapsed or even broken due to exceeding the operation range when a new fan operates under the conditions of low temperature, high humidity or other severe weather.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
FIG. 1 is a schematic structural diagram in an embodiment of the present invention;
FIG. 2 is a schematic perspective view of an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of an inner loop mode in an embodiment of the present invention;
FIG. 4 is a schematic perspective view of a total heat exchange mode in an embodiment of the present invention;
FIG. 5 is a front view of an embodiment of the present invention in a full heat exchange mode;
FIG. 6 is a schematic perspective view of an extended air valve plate according to an embodiment of the present invention;
FIG. 7 is a schematic perspective view illustrating the valve plate of the air valve inserted back according to an embodiment of the present invention;
FIG. 8 is a schematic perspective view of an internal circulation damper according to an embodiment of the present invention;
FIG. 9 is a schematic perspective view illustrating the valve plate of the air valve inserted back according to an embodiment of the present invention;
fig. 10 is a schematic perspective view of an extended air valve plate according to an embodiment of the invention.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The principles and construction of the present invention will be described in detail below with reference to the drawings and examples.
As shown in fig. 1 to 5, the present invention provides a new fan, including: the air conditioner comprises a shell, an indoor fresh air outlet 110, an indoor exhaust air inlet 120, an outdoor fresh air inlet 130, an outdoor exhaust air outlet 140, a heat exchanger 410, a fresh air duct 910, an exhaust air duct 920, an internal circulation air duct 930 and an internal circulation air valve. The indoor side of the casing is opposite to the outdoor side, the indoor fresh air outlet 110 and the indoor exhaust air inlet 120 are arranged on the indoor side of the casing side by side, and the outdoor fresh air inlet 130 and the outdoor exhaust air outlet 140 are arranged on the outdoor side of the casing side by side. The heat exchanger 410 is arranged in the middle of the shell, the fresh air duct 910 is communicated with the outdoor fresh air inlet 130 and the indoor fresh air outlet 110 and passes through the heat exchanger 410, so that outdoor fresh air can be conveyed to the indoor space and heat is exchanged through the heat exchanger 410. The exhaust duct 920 connects the indoor exhaust inlet 120 and the outdoor exhaust outlet 140, and can exhaust indoor dirty air to the outdoor, and recover energy through the heat exchanger 410. The internal circulation air valve switches the full heat exchange mode and the internal circulation mode by sliding an air valve plate, the outdoor fresh air inlet 130 and the outdoor exhaust outlet 140 which are positioned on the same side are closed after the full heat exchange mode is switched to the internal circulation mode, and the inlet end of the fresh air duct and the outlet end of the exhaust air duct are communicated to form the internal circulation air duct, so that indoor dirty air is sucked from the indoor exhaust inlet and is exhausted from the indoor fresh air outlet after passing through the heat exchanger. When the new fan is operated under low temperature, high humidity or other severe weather conditions, the exchange membrane inside the exchange core body can collapse or even break due to exceeding the operation range, and meanwhile, only one internal circulation air valve is needed, namely the internal circulation air duct, the new air duct 910 and the exhaust air duct 920 can be switched, so that the switching process is smoother and more reliable, and the switching failure caused by multiple control is avoided.
Indoor new trend export 110 is equipped with new trend filter 320, when opening the inner loop wind channel and closing new trend wind channel and the wind channel of airing exhaust, accessible new trend filter 320 filters the air, and high-efficient filter screen can be chooseed for use to the new trend filter, discharges again after the pollutants such as PM2.5, microorganism in the room air filters to indoor to realize the purpose of purifying room air.
In a specific embodiment, the length direction of the heat exchanger 410 is parallel to the indoor side and the outdoor side of the housing. The end surface (or cross section) of the heat exchanger 410 is hexagonal, the top surface of the hexagonal part at the upper part is tightly attached to the top surface of the shell, and a gap for forming an air duct or an air chamber through air is reserved between the bottom surface and the bottom surface of the shell. Among two adjacent sides about being close to indoor side of hexagon, the top side is first intake side 421, and the downside is second air-out side 432. Of the two adjacent upper and lower sides of the hexagon close to the outdoor side, the upper side is a second air inlet side 431, and the lower side is a first air outlet side 422. And the first air inlet side 421 is communicated with the first air outlet side 422, and the second air inlet side 431 is communicated with the second air outlet side 432, so that the fresh air duct 910 and the exhaust air duct 920 can intersect at the heat exchanger without interfering with each other, and can exchange heat through the heat exchanger.
The air duct 920 includes: a first air chamber A, a second air chamber B, a diversion air duct 610 and an exhaust fan part 530, and an exhaust air valve for cutting off an exhaust air duct 920 is arranged at an outdoor exhaust outlet 140. The first air chamber A is communicated with the indoor exhaust air inlet 120 and the first air inlet side 421 of the heat exchanger 410, the second air chamber B is communicated with the diversion air duct 610 and the first air outlet side 422 of the heat exchanger 410, the diversion air duct 610 is communicated with the outdoor exhaust air outlet 140, the indoor exhaust air inlet 120 is communicated with the outdoor exhaust air outlet 140 through a plurality of air chambers, the exhaust fan component 530 is arranged in the second air chamber B, and the air outlet of the exhaust fan component 530 is aligned with the inlet of the diversion air duct 610, so that the indoor dirty air passing through the exhaust air duct is provided with power flowing outwards.
As shown in fig. 6 and 7, an inner circulation air port is disposed on an inner wall of the diversion air duct 610 adjacent to the third air chamber C, the inner circulation air port directly communicates the diversion air duct 610 with the third air chamber C when opened, and the outdoor fresh air inlet 130 and the outdoor exhaust outlet 140 are closed to form an inner circulation air duct, i.e., the inlet end of the fresh air duct communicates with the outlet end of the exhaust air duct.
As shown in fig. 8 to 10, the internal circulation damper includes: blast gate frame 211, blast gate valve plate and drive assembly, blast gate frame 211 sets up in third plenum C to specifically install on the inner wall of outdoor new trend import side, blast gate frame 211 is equipped with the spout along the length direction of casing side, and the blast gate valve plate can be followed the spout and made a round trip to slide, but the one end of messenger blast gate valve plate can stretch out blast gate frame 211 or insert blast gate frame 211, two states that contain. When the valve plate of the air valve is inserted into the outer frame 211 of the air return valve, the valve plate avoids the outdoor fresh air inlet 130 and the outdoor exhaust outlet 140, and covers the internal circulation air opening 150, so that the fresh air duct 910 and the exhaust air duct 920 are communicated with the outdoor and do not interfere with each other, and the fresh air fan operates in a total heat exchange mode. When the valve plate of the air valve extends out of the air valve outer frame 211, the valve plate blocks the outdoor fresh air inlet 130 and the outdoor exhaust outlet 140 and avoids the internal circulation air port 150, so that the inlet end of the fresh air duct 910 and the outlet end of the exhaust air duct 920 are isolated from the outdoor, and the inlet end of the fresh air duct 910 is communicated with the outlet end of the exhaust air duct 920 through the internal circulation air port 150, thereby forming an internal circulation air duct.
The blast gate valve plate specifically includes: the first baffle 212 is arranged on the air valve outer frame 211 and covers part of the side surface of one side of the shell, the second baffle 213 is vertically connected to the sliding-out end of the first baffle 212 and is positioned in the diversion air duct, a gap which penetrates through the first baffle 212 is reserved between the inner wall of the diversion air duct 610 adjacent to the third air chamber C and the inner wall of the outdoor fresh air inlet side of the shell, so that the first baffle 212 can be connected with the second baffle 213 positioned in the diversion air duct 610, and meanwhile, the first baffle 212 can slide towards the position of the outdoor exhaust outlet 140. The middle of the first baffle 212 is also provided with an opening 2121, when the air valve plate is inserted into the air return valve frame, the opening 2121 overlaps the outdoor fresh air inlet 130, so that the outdoor fresh air inlet 130 communicates with the third air chamber C, and the second baffle 213 is buckled on the inner wall of the guide air duct 610 adjacent to the third air chamber C at this time, so as to cover the internal circulation air inlet 150 on the inner wall. When the valve plate of the air valve extends out of the outer frame of the air valve, the first baffle 212 slides towards the outdoor exhaust outlet 140 side to cover the outdoor exhaust outlet 140, the opening 2121 is staggered with the outdoor fresh air inlet 130, so that the outdoor exhaust outlet 140 and the outdoor fresh air inlet 130 are simultaneously sealed, the second baffle 213 is translated from the inner wall of the guide air duct 610 adjacent to the third air chamber C to the side wall close to the shell, so that the inner circulation air port is opened, and the mode switching is completed.
The drive assembly specifically includes: the air valve comprises a rack rail 214, a rack 215, a gear 216 and a motor 217, wherein the rack rail 214 is installed on an air valve outer frame 211, the length direction of the rack rail 214 is parallel to the length direction of a sliding groove of the air valve outer frame 211, the rack 215 is installed in the rack rail 214 and is connected with a first baffle 212 of an air valve plate, so that the rack 215 is driven to move when moving in parallel, the gear 216 is installed in the rack rail 214 and is matched with the rack 215, and the motor 217 is installed on the rack rail 214, namely the air valve outer frame, and drives the gear 216 to rotate, so that the air valve plate can be driven by the motor to extend out of or be inserted into the air valve outer frame. When in maintenance, the easily damaged motor can be detached independently without detaching the whole air valve, so that the maintenance is simpler and faster.
On the premise of forming the same function of the plurality of air chambers, more feasible structures can be provided within the protection scope of the invention, and the following specific embodiments are provided by the invention.
The casing of new fan is a square casing, as shown in fig. 1, includes: the structure comprises an upper cover plate 830, a bottom plate 840, a left side plate, a right side plate, a front side plate 810 and a rear side plate 820, wherein the left side is an indoor side, and the right side is an outdoor side. The heat exchanger 410 is arranged at a position close to the outdoor side in the shell, one end of the heat exchanger 410 is attached to the inner wall of the front side plate of the shell, and the access panel 800 can be arranged at the position of the front side plate, so that the inner circulation air valve can be conveniently detached and overhauled. The guide duct 610 is installed between the other end of the heat exchanger 410 and the inner wall of the rear plate 820 of the housing, and the inside of the housing is divided into a left area and a right area by the partition between the heat exchanger 410 and the outer surface of the guide duct 610.
The portion of the guide duct 610 in the left region is reduced in height and extends in the direction of the front side plate, leaving a flow space for the air chamber. The area between the air inlet of the front side plate 810, the left side plate and the guide air duct 610 and the heat exchanger 410 is provided with a fresh air fan component 520 and an exhaust air fan component 530 which are coaxially arranged up and down, wherein the fresh air fan component 520 is positioned above the area, the exhaust air fan component 530 is positioned below the area, the fresh air fan component is layered up and down through an air valve partition plate, the bottom of the second air outlet side 432 of the heat exchanger 410 and an air valve partition plate are connected through a fourth partition plate 880, the outer edge of the fresh air fan component 520 surrounds a circle of second partition plate 860 which is inclined inwards, and a fourth air chamber D is formed among the air valve partition plate, the fourth partition plate 880, the second partition plate 860 and the left side plate. For better filtering and air exhaust, a fifth air chamber E is arranged at a position of the fourth air chamber D close to the indoor fresh air outlet 110, and the length of the fifth air chamber E is the same as that of the fresh air filter 320, so that the fresh air filter 320 is convenient to mount, and the filtering effect is ensured by using the filtering surface of the fresh air filter as much as possible.
The first partition 850 is vertically connected between the middle of the inner side of the left side of the housing and the second partition 860, and a first air chamber a is formed between the first partition 850, the second partition 860, the outer surface of the guide duct 610 and the first air inlet side 421 of the heat exchanger 410.
In the right side area of the inside of the casing, as shown in fig. 3, a third partition 870 is arranged between the intersection line of the second air inlet side 431 and the first air outlet side 422 of the heat exchanger 410 and the bottom plate 840 of the casing, the third partition 870 is vertically connected with the bottom plate 840 of the casing to separate the second air inlet side 431 and the first air outlet side 422, so that a third air chamber C is formed among the third partition 870, the second air inlet side 431 of the heat exchanger 410, the access panel 800, the outer wall of the guide air duct 610 and the right side plate, and the third air chamber C is communicated with the outdoor fresh air inlet 130 on the right side plate of the casing and the second air inlet side 431 of the heat exchanger 410. And a second air chamber B is formed among the third partition 870, the first air outlet side 422 of the heat exchanger 410, the bottom plate 840, the fourth partition 880, the air valve partition and the fifth partition 890 of the vertical air valve partition, so that air from the first air outlet side 422 passes through a gap between the heat exchanger 410 and the bottom plate 840 to reach the area of the exhaust fan part 530, and indoor dirty air is exhausted from the diversion air duct 610 through the exhaust fan part 530 to form an exhaust air duct 920. Thereby the exhaust air duct 920 and the fresh air duct 910 do not interfere with each other, and the heat exchange is completed through the heat exchanger.
Because the fresh air fan component 520 and the exhaust fan component 530 are coaxially arranged, the fresh air fan component and the exhaust fan component can be driven by the same motor component 510, the use of parts can be reduced, and the cost is reduced. Or can be respectively driven by two single-shaft motors. Are within the scope of the invention.
When the fresh air purification machine operates in the full heat exchange mode, referring to fig. 4 and 5, outdoor fresh air firstly enters the third air compartment C from the outdoor fresh air inlet 130, then sequentially enters the fourth air compartment D through the second air inlet side 431 of the heat exchanger 410, a fresh air fan part 520 arranged in the fourth air compartment D sucks air in the fourth air compartment D into a turbo fan and then sends the air into the fifth air compartment E, and the fresh air in the fifth air compartment E is finally sent into a room through the indoor fresh air outlet after being filtered by the fresh air filter 320 for PM2.5, bacteria and other pollutants.
Indoor exhaust air enters the first air chamber A from the indoor exhaust inlet 120, then enters the second air chamber B through the first air inlet side 421 and the first air outlet side 422 of the heat exchanger 410 in sequence, the second air chamber B is connected with the exhaust fan component 530, the exhaust fan blades rotating at high speed suck the air in the second air chamber B into the turbo fan and then send the air into the connected diversion air duct 610, and the exhaust air is finally sent out of the room through the outdoor exhaust outlet 140, thereby realizing the transmission and heat-moisture exchange of the indoor exhaust air and outdoor fresh air.
When the fresh air purification machine operates in the internal circulation mode, please refer to fig. 3, at this time, the outdoor fresh air inlet and the outdoor exhaust air outlet are both in the closed state, and the internal circulation air port is in the open state. Indoor return air enters a first air chamber of the shell through an indoor exhaust inlet 120, then enters a second air chamber through a first air inlet side and a first air outlet side of the heat exchanger, is sucked into an exhaust fan component 530 of the second air chamber, a fan blade rotating at a high speed sends the return air into a diversion air duct 610, then enters a third air chamber C through an internal circulation air port, then enters a fourth air chamber D through a second air inlet side 431 of the heat exchanger 410 in sequence, a fresh air fan component 520 arranged in the fourth air chamber D sucks air in the fourth air chamber D into a turbo fan and then sends the air into a fifth air chamber E, and fresh air in the fifth air chamber E is filtered by a fresh air filter 320 to filter pollutants such as PM2.5 and bacteria and finally sent into the room through an indoor fresh air outlet.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. A new fan, comprising: a shell, a heat exchanger arranged in the shell, an indoor fresh air outlet, an indoor exhaust inlet, an outdoor fresh air inlet and an outdoor exhaust outlet which are arranged on the side surface of the shell, a fresh air duct communicated with the outdoor fresh air inlet and the indoor fresh air outlet, and an exhaust air duct communicated with the indoor exhaust inlet and the outdoor exhaust outlet, and is characterized by also comprising an internal circulation air valve which closes the outdoor fresh air inlet and the outdoor exhaust outlet after switching and is communicated with the fresh air duct and the exhaust air duct to form an internal circulation air duct,
the air exhaust duct comprises a diversion duct communicated with the outdoor air exhaust outlet, the fresh air duct comprises a third air chamber communicated with an outdoor fresh air inlet and a second air inlet side of the heat exchanger, and an inner circulating air port is arranged on the inner wall of the diversion duct adjacent to the third air chamber;
the internal circulation air valve comprises: the air valve outer frame is arranged in the shell and positioned at the same side with the outdoor air exhaust outlet, and an air valve plate of the air valve outer frame can extend out or be inserted into the air valve outer frame; the blast gate valve plate includes: the first baffle is arranged on the outer frame of the air valve and covers the side face of the shell part, the second baffle is connected to the inner side of the first baffle and can cover the internal circulation air port, the second baffle is vertically connected to the sliding-out end of the first baffle, and the middle part of the first baffle is provided with an opening; when the valve plate of the air valve is inserted into the outer frame of the air return valve, the opening is overlapped with the outdoor exhaust outlet, and the second baffle covers the internal circulation air port; when the air valve plate extends out of the air valve outer frame, the first baffle moves close to the position of the lateral outdoor fresh air inlet in the shell to block the outdoor fresh air inlet and the outdoor air exhaust outlet, and the second baffle moves along with the first baffle and is attached to the inner side wall of the shell at intervals with the inner circulation air opening.
2. The new fan of claim 1, wherein the internal circulation damper further comprises: and the driving component is arranged on the air valve outer frame and drives the air valve plate to move.
3. The new blower of claim 2, wherein the drive assembly comprises: the rack track is arranged parallel to the moving direction of the air valve plate, the rack is connected with the air valve plate and installed in the rack track, and the gear matched with the rack and the motor capable of detachably driving the gear to rotate are installed on the rack track.
4. The new blower as claimed in claim 1, wherein the indoor new air outlet is provided with a new air filter.
5. The new fan of claim 1, wherein the exhaust duct further comprises: the air-conditioning system comprises a first air chamber, a second air chamber and an air exhaust fan component, wherein the first air chamber is communicated with an indoor air exhaust inlet and a first air inlet side of a heat exchanger, the second air chamber is communicated with a diversion air duct and a first air outlet side of the heat exchanger, the air exhaust fan component is arranged in the second air chamber, and the first air inlet side of the heat exchanger is communicated with the first air outlet side.
6. The fresh air machine of claim 5 wherein the fresh air duct further comprises: the second air outlet side of the heat exchanger is communicated with a fourth air chamber of the indoor fresh air outlet, and a fresh air fan component is arranged in the fourth air chamber, and the second air inlet side of the heat exchanger is communicated with the second air outlet side.
7. The new blower of claim 6, wherein the exhaust blower component and the new blower component are driven by a dual-shaft motor or by separate motors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011224778.2A CN112303790B (en) | 2020-11-05 | 2020-11-05 | New fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011224778.2A CN112303790B (en) | 2020-11-05 | 2020-11-05 | New fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112303790A CN112303790A (en) | 2021-02-02 |
| CN112303790B true CN112303790B (en) | 2021-12-07 |
Family
ID=74325060
Family Applications (1)
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| CN103486674B (en) * | 2013-09-09 | 2016-08-10 | 宁波东大空调设备有限公司 | A kind of wall-mounted fresh air purifier |
| CN105333601B (en) * | 2014-06-24 | 2018-06-12 | 海信（山东）空调有限公司 | A kind of total-heat exchanger |
| CN205736786U (en) * | 2016-04-21 | 2016-11-30 | 宁波九朗环境科技有限公司 | A kind of fresh air purifier inner-outer circulating air door |
| CN205957416U (en) * | 2016-07-05 | 2017-02-15 | 然威环境科技（上海）有限公司 | Full heat exchanger wind path valve control system |
| CN208919361U (en) * | 2018-10-24 | 2019-05-31 | 第一摩码人居环境科技（北京）股份有限公司 | A kind of Electric air valve and the new blower comprising the Electric air valve |
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| CN209877267U (en) * | 2019-05-07 | 2019-12-31 | 浙江徕智家科技发展有限公司 | Intelligent fresh air machine translation reversing device with adjustable air volume |
| CN110567081A (en) * | 2019-09-09 | 2019-12-13 | 珠海格力电器股份有限公司 | Total heat exchange fresh air fan and control method thereof |
| CN210485979U (en) * | 2019-09-24 | 2020-05-08 | 科瓦图(上海)暖通技术有限公司 | Heat exchange fresh air dehumidifier that can mix wind and adjust |
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