CN111412547A - Air supply and exhaust module integrated whole-house fresh air system - Google Patents
Air supply and exhaust module integrated whole-house fresh air system Download PDFInfo
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- CN111412547A CN111412547A CN202010336505.0A CN202010336505A CN111412547A CN 111412547 A CN111412547 A CN 111412547A CN 202010336505 A CN202010336505 A CN 202010336505A CN 111412547 A CN111412547 A CN 111412547A
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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
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
- F24F1/0047—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in the ceiling or at 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
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0011—Indoor units, e.g. fan coil units characterised by air outlets
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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
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0035—Indoor units, e.g. fan coil units characterised by introduction of outside air to the room
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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
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
- F24F1/0063—Indoor units, e.g. fan coil units characterised by heat exchangers by the mounting or arrangement of the 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
- F24F13/02—Ducting arrangements
- F24F13/0227—Ducting arrangements using parts of the building, e.g. air ducts inside the floor, walls or ceiling of a building
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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
- F24F13/28—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
- 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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Abstract
The invention discloses an integrated whole-house fresh air system of an air supply and exhaust module, which comprises: the air supply and exhaust module is arranged on the wall of the public space or one of the rooms; the air supply and exhaust module comprises an exhaust cavity and an air inlet cavity, the air inlet cavity is communicated with the public space/room and the outside of the room group, and the exhaust cavity is communicated with the outside of the room group; the air inlet is arranged on each room to realize the communication between each room and a public space; the main exhaust pipe is communicated with the exhaust cavity and is also communicated with each room through a return air pipe; under the action of the first fan, outside fresh air directly enters the public space through the air inlet cavity or enters the public space through a room provided with the air inlet cavity; positive pressure is formed in the public space, so that fresh air enters each room through the air dividing inlets, dirty air in the rooms is replaced, and then the dirty air is exhausted through the air return pipe, the main exhaust pipe pipeline and the exhaust cavity under the suction effect of the second fan.
Description
Technical Field
The invention relates to the technical field of air exchange system design, in particular to an integrated whole-house fresh air system of an air supply and exhaust module.
Background
Thousands of years ago, people walk out of the cave and enter the artificial space of the house. However, in houses, due to respiration and excretion of people and animals, diffusion of gas oil smoke in cooking, volatilization of benzene aldehydes in various artificial materials, indoor air pollution is caused, physical and psychological health of residents is seriously threatened, and fresh air introduction and fresh air replacement effects of the houses become important problems for house health.
In recent years, some real estate enterprises and owners try to achieve great effects by arranging a blower duct, as shown in fig. 1, by forcibly inputting outdoor fresh air into a room and guiding indoor dirty air to the outside; in fig. 1, the hollow arrows and the solid arrows represent the introduction of fresh air into the house and the discharge of dirty air out of the house, respectively, which is a bidirectional flow fresh air replacement scheme.
However, the above two-way fresh air system using the combination of the air supply pipe and the exhaust pipe in the building and the house in large scale has three problems:
firstly, the decoration is complex and high in cost, the circuitous and tortuous air-conditioning air pipes which are dark and moist are complex to install, the air pipes are required to be coated and decorated after installation so as to improve the visual effect, and the air inlets and the air outlets of the fresh air and return air pipes are required to be covered and decorated on the indoor ceiling, so that a fresh air system becomes the highest subentry in the building decoration cost;
secondly, a new health problem is generated, namely in the ventilation operation process and the shutdown stage of the fresh air system, a large amount of dust which cannot be removed is accumulated in the air pipe and in the decorative interlayer of the air pipe and the coating air pipe, bacteria and mold are bred, a hotbed is provided for breeding and breeding mosquitoes, flies, bugs, cockroaches, even mice and the like, and particularly, dust, microorganisms, bugs, cockroaches, excrement and the like accumulated in the air supply pipe (fresh air pipe) are blown into the indoor space along with fresh air, so that a new serious living room health and sanitation problem is caused; in the outbreak period of Wuhan outbreak of coronavirus pneumonia in 2020, public health professionals emphasize domestic ventilation when prompting the people to 'wash hands frequently, ventilate more, eat cooked food frequently and prick less' and especially emphasize household central air conditioners and fresh air systems which do not need to be started and especially do not need to be started with air pipes;
thirdly, the fresh air replacement effect is poor-as shown in fig. 2, in the traditional fresh air system, the fresh air inlet and the dirty air outlet of each room are both arranged on the suspended ceiling below the ceiling of the room, although the design and construction pay attention to the staggered installation of the new air inlet and the dirty air outlet in the horizontal direction of the suspended ceiling, the new air inlet and the dirty air outlet in the vertical direction, namely the height direction, cannot be staggered; because the speed of the fresh air fed into the fresh air inlet is about 2m/s generally, the downward dynamic pressure head is very small, part of fresh air flow does not sink deeply to participate in fresh air replacement, but a path with the shortest distance and the minimum resistance between the fresh air inlet and the dirty air outlet is found, and the path runs straight to the outlet along the ceiling surface, so that the short circuit of the fresh air flow is caused, the fresh air resource is wasted, and the fresh air replacement effect is poor.
Disclosure of Invention
Aiming at the three problems of high decoration complexity and cost, secondary pollution generated by an air supply pipe and poor fresh air replacement effect of the traditional fresh air system in the background technology, the invention provides an air supply and exhaust module integrated whole-house fresh air system which is applied to a room group, wherein the room group comprises a plurality of rooms and public spaces communicated with the rooms; its characterized in that, the whole room new trend system of module integration of airing exhaust includes:
the air supply and exhaust module is arranged on the wall of the public space or one of the rooms; the air supply and exhaust module comprises an exhaust cavity and an air inlet cavity, the air inlet cavity is communicated with the public space/the room and the outside of the room group, and the exhaust cavity is communicated with the outside of the room group;
the air inlet is arranged on each room to realize the communication between each room and the public space;
the main exhaust pipe is communicated with the exhaust cavity and is also communicated with each room through a room return air pipe;
under the action of the first fan, outside fresh air directly enters the public space through the air inlet cavity or enters the public space through a room provided with the air inlet cavity; and positive pressure is formed in the public space, so that fresh air enters each room through the branch air inlets, dirty air in the rooms is replaced, and the dirty air is exhausted through the room air return pipe, the main exhaust pipe pipeline and the exhaust cavity under the suction action of the second fan.
Preferably, an opening is formed in the wall of the public space or one of the rooms, and the air inlet cavity and the air exhaust cavity are arranged in the opening in a penetrating mode; wherein the content of the first and second substances,
the air inlet cavity and the air exhaust cavity are both positioned on the outer wall of the public space or one of the rooms;
or the air inlet cavity is positioned on the inner wall of the public space or one of the rooms, and the air exhaust cavity is positioned on the outer wall of the public space or one of the rooms.
Preferably, the air inlet cavity and the air exhaust cavity are both provided with air doors.
Preferably, a two-in-one air supply module is arranged in the air inlet cavity and/or the air dividing inlet, and comprises a heat exchange channel, an air inlet channel and a return air channel;
one end of the air inlet channel is communicated with the outside of the room group or the air inlet, and the other end of the air inlet channel is communicated with the heat exchange channel;
one end of the return air channel is communicated with the room/the public space, and the other end of the return air channel is communicated with the heat exchange channel;
the communication part of the air inlet channel and the heat exchange channel and the communication part of the air return channel and the heat exchange channel are respectively provided with a control air door;
the heat exchange channel is internally provided with a heat exchanger, the first fan is arranged on one side of the heat exchanger, and the heat exchanger is also connected with a circulating unit for providing a heat exchange medium for the heat exchanger.
Preferably, the control damper includes:
a fixed orifice plate having a plurality of sequentially arranged ventilation areas disposed thereon;
the sliding pore plate is overlapped with the fixed pore plate, and air distribution ports are arranged on the sliding pore plate and correspond to the ventilation areas on the fixed pore plate and can cover the ventilation areas;
and the driving device is used for pushing the sliding orifice plate to move relative to the fixed orifice plate, and the overlapped part of each ventilation area and the air distribution port is changed in the relative movement process, so that the opening and closing of the ventilation areas and the adjustment of the air flow are realized.
Preferably, the outlet of the heat exchange channel and the inlet of the return air channel are arranged up and down.
Preferably, the outlet of the heat exchange channel is formed by a circular arc-shaped air outlet surface and a vertical air outlet surface.
Preferably, the air inlet is disposed above a door frame of the room.
Preferably, a vertically extending hollow wall column is arranged in a wall body of one side of the room close to the public space communicated with the room, the hollow wall column directly forms the air return pipe, one end of the hollow wall column close to the ground is communicated with the inside of the room, and the other end of the hollow wall column is communicated with the main exhaust pipe.
Preferably, the air inlet cavity is also provided with a fresh air preprocessing module for filtering fresh air.
Preferably, the circulating unit comprises an outer heat exchanger, a compressor and a throttle valve, and the inner heat exchanger, the outer heat exchanger, the throttle valve and the compressor are circularly connected to form a circulating channel for circulating a heat exchange medium.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the following advantages and positive effects:
1. reduce the outer wall opening, the installation workload and the occupation of the indoor space resources by the fresh air system equipment
According to the invention, only one hole is formed in the outer wall, only one equipment platform is arranged outside the wall, and the air supply module and the air exhaust module of the whole fresh air system are integrated on the platform in a unified manner, so that the field installation workload is reduced, and the visual effect of the outer facade of the building is improved;
2. eliminates the secondary pollution of the blast pipe
In the ventilation operation process and the shutdown stage of a traditional bidirectional flow residential fresh air system, a large amount of dust which cannot be removed is accumulated in the air supply and exhaust pipe and in the decorative interlayer of the air pipe and the coated air pipe, bacteria and mold are bred, and a hotbed is provided for breeding and breeding mosquitoes, flies, bugs, cockroaches, even mice and the like; in particular, the inner wall of the pipeline of the blast pipe (fresh air pipe) is easy to be condensed, and the attached wet dust becomes a bacterial microorganism culture medium to generate new secondary pollution; bacteria, microorganisms, bedbugs, cockroaches, excrement and the like accumulated in the air supply pipe are blown into the indoor space along with fresh air during fresh air replacement, so that a new serious secondary pollution problem is caused;
the invention uses the two-in-one air supply module at the upper part of the door frame of the room as a new air flow regulating and controlling means of the room, uses the channel and the room needing to replace the new air as an air channel, cancels all new air supply pipes of the traditional house new air system and corresponding disguised decoration, and eliminates the problem of secondary pollution of the air supply pipeline.
3. Promote the fresh air replacement effect
The fresh air supply port and the dirty air exhaust port of the traditional house are both arranged on a suspended ceiling below a room ceiling, the fresh air speed supplemented by the supply port is usually about 2m/s, the downward dynamic pressure head is very small, part of fresh air flow does not sink deeply to participate in fresh air replacement, but a path with the minimum resistance and the shortest distance between the fresh air positive-pressure supply port and the dirty air negative-pressure exhaust port is found, and the path runs straight along the ceiling surface to the exhaust port, so that part of fresh air flow is short-circuited, fresh air resources are wasted, meanwhile, large-area ventilation blind areas are generated at the bottom and four corners of the room, and the fresh air replacement effect is poor;
the two-in-one air supply module conveys high-level fresh air to a room, the high-level fresh air is inclined to the room main body space from the upper part of a door head, dirty air is pressed to do combined motion of vertical descending and transverse translation from the top to the bottom of the door from an outer wall, the dirty air is collected to a return air inlet at the bottom of a return air pipe of the room in a negative pressure state, and the return air is sucked by a main exhaust pipe in the negative pressure state and then is exhausted to the outside by a fan at a main exhaust outlet; the invention adopts the air flow form of high-air-supply low-air-discharge of fresh air flow, fundamentally changes the problem that partial fresh air cannot deeply sink to replace dirty air but the fresh air short circuit problem of searching the shortest path minimum resistance direct-running negative pressure air outlet from the positive pressure air supply outlet in the traditional fresh air system because of the ceiling plane at the same position of the air inlet and the air outlet of the room, and improves the fresh air replacement effect.
4. The cost of the whole house fresh air system of the residence is reduced
The traditional house bidirectional flow whole house fresh air system is provided with two sets of air inlet and exhaust main pipelines and air inlet and outlet pipes for each room, a channel-shaped whole house pipeline system is constructed, fresh air is conveyed to each room by positive pressure, and dirty air in each room is sucked and exhausted by negative pressure; the circuitous and tortuous air supply and exhaust air pipes comprise a main pipeline and a room air supply and exhaust pipe, are not only complex to install, but also need to carry out coating decoration on the air pipes after installation so as to improve the visual effect, and also need to cover the fresh air, the return air pipe and the air inlet and outlet in an indoor ceiling so as to cause a fresh air system to become the highest subentry in the building decoration cost;
the invention uses the public space and the room needing to replace the fresh air as the air channel, cancels the decoration of all fresh air supply pipes, corresponding hidden air pipes and air inlet and outlet ports of the traditional fresh air system, greatly reduces the material usage amount and the field installation workload of the whole fresh air system, and greatly reduces the decoration cost.
5. Saves the indoor space resources
The invention also combines the power devices of two air flows of fresh air and room internal circulation air flow, shares a set of two-in-one air supply module, and delivers high-level fresh air and/or internal circulation air conditioner air outlet to the room through the switching between the fresh air inlet air door in front of the air suction inlet of the fan and the internal circulation air conditioner air return air door; the power device for circulating the two air flows in the fresh air and the room is combined, so that the equipment resources such as a fan, an air duct and the like are saved, and the valuable indoor space resources are saved.
Drawings
The above and other features and advantages of the present invention will be more clearly understood from the following detailed description taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a schematic view of an existing ventilation system in a room group;
FIG. 2 is a schematic diagram of a fresh air short circuit of an air exchange system in a conventional house;
FIG. 3 is a schematic view of an integrated whole-house fresh air system of the air supply and exhaust module in embodiment 1;
fig. 4 is a schematic view of the air supply and exhaust module in the fresh air exchange state in embodiment 1;
fig. 5 is a schematic view of the air supply and exhaust module in the internal circulation state in embodiment 1;
FIG. 6 is a schematic view of a control damper according to embodiment 1;
FIG. 7 is a schematic view showing the construction of a control damper in embodiment 1;
fig. 8 is a schematic view of an integrated whole-house fresh air system of the air supply and exhaust module in embodiment 2.
Detailed Description
The present invention will be described in more detail below with reference to the accompanying drawings, which illustrate embodiments of the invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. In the drawings, the size and relative sizes of layers and regions may be exaggerated for clarity.
The invention provides an integrated whole-house fresh air system of an air supply and exhaust module, which is applied to a room group, wherein the room group comprises a plurality of rooms and a public space communicated with each room; air supply and exhaust module integration whole house new trend system includes: the air supply and exhaust module is arranged on the public space or one room; the air supply and exhaust module comprises an exhaust cavity and an air inlet cavity, the air inlet cavity is communicated with the public space/room and the outside of the room group, and the exhaust cavity is communicated with the outside of the room group; the air inlet is arranged on each room to realize the communication between each room and the public space; and the main exhaust pipe is communicated with the exhaust cavity and is also communicated with each room through a room return air pipe.
When fresh air replacement is needed to be carried out on each room in the room group, a first fan and a second fan are started; under the action of the first fan, outside fresh air directly enters the public space through the air inlet cavity or enters the public space through a room provided with the air inlet cavity; positive pressure is formed in the public space, so that fresh air enters each room through the air dividing inlets, dirty air in the rooms is replaced, and then the dirty air is exhausted through the room air return pipe, the main exhaust pipe pipeline and the exhaust cavity under the suction effect of the second fan, so that the function of fresh air replacement is completed.
Wherein, the wall of the public space or one of the rooms is provided with an opening, and the air inlet cavity and the air exhaust cavity are arranged in the opening in a penetrating way; the air inlet cavity and the air exhaust cavity are both positioned on the outer wall of a public space or one of the rooms; or the air inlet cavity is positioned on the inner wall of the public space or one of the rooms, and the air outlet cavity is positioned on the outer wall of the public space or one of the rooms.
The air supply and exhaust module can be arranged on a public space, and in this case, outside fresh air directly enters the public space through the air supply and exhaust module and then enters each room through the air inlet on each room for fresh air replacement;
or the air supply and exhaust module can be selectively arranged on the outer wall of one room, and outside fresh air firstly enters the room and then enters the public space from the door or the air outlet of the room; and the fresh air enters the public space and then enters each room through the air inlet of each room to be replaced.
Above-mentioned, the setting position of air supply and exhaust module all can be adjusted according to particular case, and here does not do the restriction.
The integrated whole-house fresh air system with the air supply and exhaust modules is suitable for various house systems, a room group can be a house or a combination of functional units in a building, such as residential houses, office buildings, hotels and the like, and the room group is not limited; the room group comprises a plurality of rooms and a common space communicated with the rooms, wherein the common space can be a hall connecting the room group and can also be a passage communicating the rooms.
The air supply and exhaust module integrated whole-house fresh air system provided by the invention takes the fan as power, introduces outdoor fresh air into a room, exhausts indoor dirty air to the outside, implements whole-house fresh air replacement, and has the following beneficial effects:
1. reduce the outer wall opening, the installation workload and the occupation of the indoor space resources by the fresh air system equipment
Specifically, only one hole is formed in the outer wall, only one equipment platform is arranged outside the wall, and an air supply module and an air exhaust module of the whole house fresh air system are integrated on the platform in a unified mode, so that the field installation workload is reduced, and the visual effect of the outer facade of the building is improved;
2. eliminates the secondary pollution of the blast pipe
In a traditional house fresh air system, an air inlet pipeline and an air outlet pipeline which are communicated with rooms of various countries in an outdoor environment are required to be arranged, and the pipelines are circuitous and tortuous, so that the installation is complex, the cost is high, and the appearance is influenced; the invention cancels the arrangement of the air inlet pipeline, thereby greatly simplifying the whole fresh air replacement system, being beneficial to reducing the cost and avoiding influencing the appearance;
in addition, in the operation process and the shutdown stage of a traditional house fresh air system, a large amount of dust which is difficult to remove is accumulated in the air inlet and outlet pipe, bacteria and mold are easy to breed, a hotbed is provided for breeding and breeding of mosquitoes, flies, bugs, cockroaches, even mice and the like, particularly, dust, microorganisms, bugs, cockroach and excrement and the like accumulated in the air supply pipe (fresh air pipe) are blown into an indoor space along with fresh air during operation, and a new serious secondary pollution problem of living room health and sanitation is brought; the invention uses the public space/room needing to replace fresh air as an air duct, replaces the blast pipe with the room, cancels the blast pipe of the traditional house fresh air system, and thoroughly eliminates the new health and sanitation problems of the living room, such as secondary pollution and the like caused by dust, bacteria, microorganisms, bedbugs, cockroaches, excrement and the like accumulated in the blast pipe (fresh air pipe) when the fresh air system runs and the like when the fresh air is blown into the indoor space along with the fresh air.
The following further description is made with respect to specific embodiments:
example 1
Referring to fig. 3 to 5, the present embodiment provides an integrated whole-house fresh air system of an air supply and exhaust module, which is specifically described by taking a room group as a residential building as an example.
In the present embodiment, the room group includes a passage 2 (common space) and a plurality of rooms 1 communicated with the passage 2, the plurality of rooms may specifically include a study room, a bedroom, a living room, and the like, and the passage 2 is taken as the common space in the present embodiment.
In this embodiment, the air supply and exhaust module 3 is disposed on an outer wall of one of the rooms (e.g., a study), the outer wall is provided with a platform 8, the air supply and exhaust module 3 is mounted on the platform 8, and an opening is formed in the outer wall corresponding to the air supply and exhaust module 3 for allowing an exhaust cavity and an air intake cavity in the air supply and exhaust module 3 to extend into the room, the air intake cavity is communicated with the room, and the air exhaust cavity is communicated with a main exhaust duct passing through the room.
In this embodiment, a first fan 404 is disposed in the air intake chamber, a second fan 302 is disposed in the air exhaust chamber 301, and a damper 303 is disposed in the air exhaust chamber 301 for controlling the opening and closing of the air exhaust chamber 301.
In this embodiment, the air inlet cavity and/or the air dividing inlet are/is further provided with two-in-one air supply module for realizing the functions of fresh air replacement and internal heat exchange circulation two-in-one in the whole room or each room.
Specifically, the two-in-one air supply module 4 includes a heat exchange channel 401, an air inlet channel 402 and an air return channel 403.
When the two-in-one air supply module 4 is arranged in the air inlet cavity, one end of the air inlet channel 402 is communicated with the outside of a room group, the other end of the air inlet channel is communicated with the heat exchange channel 401, one end of the air return channel 403 is communicated with the inside of the room in which the air inlet cavity is correspondingly arranged, and the other end of the air return channel is communicated with the heat exchange channel 401. When the two-in-one air supply module 4 is arranged on the branch air inlets in each room, one end of the air inlet channel 402 is communicated with the public space (channel 2), the other end of the air inlet channel is communicated with the heat exchange channel 401, one end of the air return channel 403 is communicated with the room corresponding to the branch air inlets, and the other end of the air return channel is communicated with the heat exchange channel 401. A heat exchanger 405 is arranged in the heat exchange channel 402, the first fan 404 is arranged on one side of the heat exchanger 405, and the heat exchanger 405 is further connected with a circulating unit for providing a heat exchange medium for the heat exchanger.
In this embodiment, when the two-in-one air supply module 4 is arranged at the air inlet of a room, the outlet of the heat exchange channel 401 communicated with the room is arranged near the top of the room; the wall body of the room close to one side of the public space communicated with the room is internally provided with a vertically extending hollow wall column, the hollow wall column directly forms a room air return pipe 5, an inlet of the room air return pipe 5 communicated with the inside of the room is arranged close to the bottom of the room, and the other end of the room air return pipe is communicated with the general exhaust pipe outside the room. The embodiment realizes the air flow pattern of high-air-flow and low-air-flow delivery of fresh air in a room through the arrangement, and fundamentally changes the problem that partial fresh air cannot sink but is short-circuited when a minimum resistance shortest path direct-running negative-pressure air outlet is searched for from a positive-pressure air inlet because the ceiling planes at the same positions of the air inlet/the air outlet of the room in a traditional fresh air system.
Further, the outlet of the heat exchange channel is formed by an arc-shaped air outlet surface and a straight air outlet surface; the purpose of this is to allow sufficient diffusion of the air output from the heat exchange channel.
Furthermore, the air inlet and the two-in-one air supply module 4 are arranged above the door frame of the room. The embodiment fully excavates room door as room people and article access way control node, room door front and back space do not have furniture article to hinder, the door front and back passageway does benefit to the advantage that the air current link up to two unification air supply modules 4 in door frame upper portion are as new trend air current regulation and control means, regard as the wind channel with the new trend room of needs replacement with the passageway, and most of tuber pipes that cancel traditional house new trend system include whole new trend blast pipe to and the corresponding furred ceiling fitment that masks the tuber pipe. Of course, in other embodiments, the air inlet and the two-in-one air supply module 4 may not be disposed above the door frame of the room, and may be adjusted according to specific situations, which is not limited herein.
In this embodiment, the communication between the air intake channel 402 and the heat exchange channel 401, and the communication between the air return channel 403 and the heat exchange channel 401 are respectively provided with a control damper.
In this embodiment, referring to fig. 4 and 7, a first control damper 701 is disposed at a position where the air intake channel 402 communicates with the heat exchange channel 401, and a second control damper 702 is disposed at a position where the air return channel 403 communicates with the heat exchange channel 401.
Specifically, referring to fig. 6-7, the first control damper includes a first fixed orifice plate having a plurality of first ventilation areas arranged in sequence thereon, a first sliding orifice plate, and a driving device; the first sliding pore plate and the first fixed pore plate are overlapped, a first air distribution opening is arranged on the first sliding pore plate at the position corresponding to each first ventilation area on the first fixed pore plate, and the first air distribution opening can cover the first ventilation area; the driving device is used for pushing the first sliding pore plate to move relative to the first fixed pore plate, and the overlapped part of each first ventilation area and the first air distribution port is changed in the relative movement process, so that the opening and closing of the first ventilation area and the adjustment of the air flow are realized, and the opening and closing or the adjustment of the flow between the air inlet channel and the heat exchange channel are realized.
The second control air door comprises a second fixed orifice plate, a second sliding orifice plate and a driving device, and a plurality of second ventilation areas which are arranged in sequence are arranged on the second fixed orifice plate; the second sliding pore plate and the second fixed pore plate are overlapped, a second air distribution opening is arranged on the second sliding pore plate and at the position corresponding to each second ventilation area on the second fixed pore plate, and the second air distribution opening can cover the second ventilation area; the driving device is used for pushing the second sliding pore plate to move relative to the second fixed pore plate, and the overlapped part of each second ventilation area and the second air distribution port is changed in the relative movement process, so that the opening and closing of the second ventilation area and the adjustment of the air flow are realized, and the opening and closing or the adjustment of the flow between the return air channel and the heat exchange channel are realized.
A plurality of first ventilation areas/second ventilation areas are uniformly distributed along the transverse direction or the longitudinal direction of the first fixed pore plate/the second fixed pore plate at intervals, and a plurality of first air distribution openings/second air distribution openings are uniformly distributed along the transverse direction or the longitudinal direction of the first sliding pore plate/the second sliding pore plate at intervals; the shape and the size of the first ventilation area/the second ventilation area are the same as those of the first air distribution opening/the second air distribution opening; the moving direction of the first sliding orifice plate/the second sliding orifice plate is along the arrangement direction of the first ventilation area/the second ventilation area and the first air distribution opening/the second air distribution opening.
The distance between the adjacent first ventilation areas/second ventilation areas is equal to the distance between the adjacent first air distribution openings/second air distribution openings; the distance between the adjacent first air distribution openings/second air distribution openings is larger than or equal to the size of the adjacent first ventilation area/second ventilation area in the moving direction between the first fixed orifice plate/second fixed orifice plate and the first sliding orifice plate/second sliding orifice plate.
Further, as shown in fig. 7, in the present embodiment, the air inlet channel 402 is disposed opposite to the heat exchange channel 401, and the air return channel 403 is disposed perpendicular to and connected to the heat exchange channel 401 and the air inlet channel 402; in this embodiment, the first control damper and the second control damper are arranged in parallel and share one driving device 703, and the driving device drives the first sliding hole plate of the first control damper and the second sliding hole plate of the second control damper to move together.
Furthermore, a first ventilation area on a first fixed orifice plate on the first control air door and a second ventilation area on a second fixed orifice plate on the second control air door are arranged in a staggered manner; the first air distribution area on the first sliding pore plate on the first control air door is opposite to the second air distribution area on the second sliding pore plate on the second control air door.
The driving device 703 pushes the first sliding orifice plate and the second sliding orifice plate together to move, and when the first ventilation area and the first air distribution opening are completely overlapped, the second ventilation area and the second air distribution opening are completely not overlapped, so that the opening of the first control air door 701 and the closing of the second control air door 702 are realized; when the first ventilation area is completely not overlapped with the first air distribution opening, the second ventilation area is completely overlapped with the second air distribution opening, so that the closing of the first control air door 701 and the opening of the second control air door 702 are realized; when the first ventilation area is partially overlapped with the first air distribution opening, the second ventilation area is partially overlapped with the second air distribution opening, so that the opening of the first control damper 701 and the opening of the second control damper 702 are realized.
In this embodiment, according to the opposite phase relationship between the fresh air door and the internal circulation return air door, and the design of the ventilation area and the air distribution area thereon, the opening degrees of the two air doors are adjusted by the driving device, so that three operation modes of independent operation of fresh air replacement, independent operation of internal circulation air conditioning, parallel fresh air replacement and internal circulation can be realized. The device is simple in structure, ingenious in design and simple to operate.
Of course, in other embodiments, the first control damper and the second control damper may be equipped with a driving device and a driving device, respectively, and may be adjusted according to specific situations, which is not limited herein.
In this embodiment, the outlet of the heat exchange channel 401 and the inlet of the return air channel 403 are arranged up and down. Of course, in other embodiments, the outlet of the heat exchange channel 401 and the inlet of the return air channel 403 may also be arranged left and right, and may be adjusted according to specific situations, and are not limited herein.
In this embodiment, the circulating unit includes an external heat exchanger, a compressor, and a throttle valve, and the heat exchanger 404, the external heat exchanger, the throttle valve, and the compressor are connected in a circulating manner to form a circulating channel through which a heat exchange medium flows.
The circulating unit can adopt a water output air-conditioning outdoor unit or a refrigerant output air-conditioning outdoor unit, and is not limited in the above, as long as the circulating unit can provide a heat exchange medium for the heat exchanger;
when the water output by the circulating unit is a heat exchange medium, the air-conditioning outdoor unit comprises an outdoor air-conditioning unit for generating hot water/cold water, the outdoor air-conditioning unit is circularly connected with a water separator, and a valve is further arranged on the circulating line; the heat exchangers in all the rooms are respectively connected with the water separator in a circulating mode to obtain hot water/cold water in the water separator for circulating heat exchange.
When the air-conditioning outdoor unit takes the refrigerant as a heat exchange medium, the air-conditioning outdoor unit comprises an external heat exchanger, a compressor and a throttle valve, and a circulating channel for the circulation of the refrigerant is formed by circularly connecting the indoor heat exchanger, the external heat exchanger, the throttle valve and the compressor.
In this embodiment, the air intake channel 402 located in the air intake chamber is further provided with a filtering device 406 at its inlet communicating with the external environment.
The working principle of the integrated whole-house fresh air system of the air supply and exhaust module provided by the embodiment is further explained as follows:
1. fresh air replacement independent operation mode
As shown in fig. 4, when the air turbidity in the room exceeds the limit value, the air door 303 is opened, the first fan 404 and the second fan 303 are started, the first control air door 701 between the air inlet channel 402 and the heat exchange channel 401 is opened, the second control air door 702 between the air return channel 403 and the heat exchange channel 401 is closed, and the heat exchanger 405 is closed in each two-in-one air supply module 4; the outside fresh air enters the study room from the air inlet channel 402 and the heat exchange channel 401 in the air inlet cavity and then enters the public space channel 2, and then enters the rooms from the air inlet channel 402 and the heat exchange channel 401 of the two-in-one air supply module 4 on the door frame of each room, and is dumped, so that the dirty air is compressed to be collected towards the bottom of the door, enters the bottom air suction port of the air return pipe of the room, is sucked by the main exhaust pipe 6 in the negative pressure state, and is discharged to the outside by the air exhaust cavity under the action of the second fan 302.
2. Independent operation mode of internal circulation air conditioner
As shown in fig. 5, when the air temperature in the room deviates from the set value,
closing the air door 303, closing the second fan 303, opening each first fan 404, closing a first control air door 701 between the air inlet channel 402 and the heat exchange channel 401, opening a second control air door 702 between the air return channel 403 and the heat exchange channel 401 in each two-in-one air supply module 4, and operating the heat exchanger 405; under the action of the first fan 404, air in the room enters the return air channel 403 and then enters the heat exchange channel 401, flows through the heat exchanger 405, is cooled and dehumidified (or heated and warmed), and is then conveyed back to the room again, so that the circulation air conditioning in the room is realized.
The room fresh air system of two unifications of new trend replacement and inner loop that this embodiment provided has following advantage:
1. reduce the outer wall opening, the installation workload and the occupation of the indoor space resources by the fresh air system equipment
In the embodiment, only one hole is formed in the outer wall, only one equipment platform is arranged outside the wall, and the air supply module and the air exhaust module of the whole fresh air system are integrated on the platform in a unified way, so that the field installation workload is reduced, and the visual effect of the facade of the building is improved;
2. eliminates the secondary pollution of the blast pipe
In the ventilation operation process and the shutdown stage of a traditional bidirectional flow residential fresh air system, a large amount of dust which cannot be removed is accumulated in the air supply and exhaust pipe and in the decorative interlayer of the air pipe and the coated air pipe, bacteria and mold are bred, and a hotbed is provided for breeding and breeding mosquitoes, flies, bugs, cockroaches, even mice and the like; in particular, the inner wall of the pipeline of the blast pipe (fresh air pipe) is easy to be condensed, and the attached wet dust becomes a bacterial microorganism culture medium to generate new secondary pollution; bacteria, microorganisms, bedbugs, cockroaches, excrement and the like accumulated in the air supply pipe are blown into the indoor space along with fresh air during fresh air replacement, so that a new serious secondary pollution problem is caused;
in the embodiment, the two-in-one air supply module on the upper part of the door frame is used as a fresh air flow regulating and controlling means, the channel and a fresh air room needing to be replaced are used as an air channel, all fresh air supply pipes of a traditional house fresh air system and corresponding disguised decoration are cancelled, and the problem of secondary pollution of an air supply pipeline is solved.
3. Promote the fresh air replacement effect
The fresh air supply port and the dirty air exhaust port of the traditional house are both arranged on a suspended ceiling below a room ceiling, the fresh air speed supplemented by the supply port is usually about 2m/s, the downward dynamic pressure head is very small, part of fresh air flow does not sink deeply to participate in fresh air replacement, but a path with the minimum resistance and the shortest distance between the fresh air positive-pressure supply port and the dirty air negative-pressure exhaust port is found, and the path runs straight along the ceiling surface to the exhaust port, so that part of fresh air flow is short-circuited, fresh air resources are wasted, meanwhile, large-area ventilation blind areas are generated at the bottom and four corners of the room, and the fresh air replacement effect is poor;
the two-in-one air supply module of the embodiment conveys high-level fresh air to a room, the high-level fresh air is inclined to the room main body space from the upper part of a door head, dirty air is pressed from top to bottom, the combined motion of vertical descending and transverse translation is carried out from an outer wall to the bottom of the door, the dirty air is collected to a return air inlet at the bottom of a return air pipe of the room in a negative pressure state, and the return air is sucked by a main exhaust pipe in the negative pressure state and then is exhausted to the outside by a fan at a; the embodiment adopts the high air current pattern of sending low row of new trend air current, changes fundamentally among the traditional new trend system room business turn over wind gap with the suspended ceiling plane and leads to partial new trend can not sink deeply but from the new trend short circuit problem that the positive pressure supply air outlet seeks the minimum resistance of shortest distance and directly rushes to the negative pressure air exit, has promoted the new trend replacement effect.
4. The cost of the whole house fresh air system of the residence is reduced
The traditional house bidirectional flow whole house fresh air system is provided with two sets of air inlet and exhaust main pipelines and air inlet and outlet pipes for each room, a channel-shaped whole house pipeline system is constructed, fresh air is conveyed to each room by positive pressure, and dirty air in each room is sucked and exhausted by negative pressure; the circuitous and tortuous air supply and exhaust air pipes comprise a main pipeline and a room air supply and exhaust pipe, are not only complex to install, but also need to carry out coating decoration on the air pipes after installation so as to improve the visual effect, and also need to cover the fresh air, the return air pipe and the air inlet and outlet in an indoor ceiling so as to cause a fresh air system to become the highest subentry in the building decoration cost;
in the embodiment, the channel and the room needing to be replaced with fresh air are used as the air channel, and the decoration of all fresh air supply pipes of the traditional fresh air system and corresponding hidden air pipes and air inlets and air outlets is cancelled, so that the material usage amount and the field installation workload of the whole fresh air system are greatly reduced, and the decoration cost is greatly reduced.
5. Saves the indoor space resources
In the embodiment, power devices of two air flows of fresh air and room internal circulation air flow are combined to share one two-in-one air supply module, and high-level fresh air and/or internal circulation air conditioner air outlet are conveyed to a room through switching between a fresh air inlet air door in front of a fan exhaust inlet and an internal circulation air conditioner return air door; the power device for circulating the two air flows in the fresh air and the room is combined, so that the equipment resources such as a fan, an air duct and the like are saved, and the valuable indoor space resources are saved.
Example 2
Referring to fig. 8, this example is an adjustment based on example 1.
In this embodiment, a room group is taken as a public building (e.g., an office building, a hotel, etc.) for specific description.
In this embodiment, the room group includes a channel 2 and a plurality of rooms 1 distributed on both sides of the channel 2, and the air supply and exhaust module is disposed on an outer wall at one end of the channel 2.
Other structures of the integrated whole house fresh air system of the air supply and exhaust module in the embodiment can refer to the description in embodiment 1, and are not described herein again.
It will be appreciated by those skilled in the art that the invention can be embodied in many other specific forms without departing from the spirit or scope thereof. Although embodiments of the present invention have been described, it is to be understood that the present invention should not be limited to those precise embodiments, and that various changes and modifications can be effected therein by one skilled in the art without departing from the scope or spirit of the invention as defined by the appended claims.
Claims (11)
1. An air supply and exhaust module integrated whole-house fresh air system is characterized by being applied to a room group, wherein the room group comprises a plurality of rooms and a public space communicated with each room; its characterized in that, the whole room new trend system of module integration of airing exhaust includes:
the air supply and exhaust module is arranged on the wall of the public space or one of the rooms; the air supply and exhaust module comprises an exhaust cavity and an air inlet cavity, the air inlet cavity is communicated with the public space/the room and the outside of the room group, and the exhaust cavity is communicated with the outside of the room group;
the air inlet is arranged on each room to realize the communication between each room and the public space;
the main exhaust pipe is communicated with the exhaust cavity and is also communicated with each room through a room return air pipe;
under the action of the first fan, outside fresh air directly enters the public space through the air inlet cavity or enters the public space through a room provided with the air inlet cavity; and positive pressure is formed in the public space, so that fresh air enters each room through the branch air inlets, dirty air in the rooms is replaced, and the dirty air is exhausted through the room air return pipe, the main exhaust pipe pipeline and the exhaust cavity under the suction action of the second fan.
2. The integrated whole house fresh air system of the air supply and exhaust module according to claim 1, wherein an opening is formed in a wall of the public space or one of the rooms, and the air inlet cavity and the air exhaust cavity are arranged in the opening in a penetrating manner; wherein the content of the first and second substances,
the air inlet cavity and the air exhaust cavity are both positioned on the outer wall of the public space or one of the rooms;
or the air inlet cavity is positioned on the inner wall of the public space or one of the rooms, and the air exhaust cavity is positioned on the outer wall of the public space or one of the rooms.
3. The integrated whole house fresh air system of the air supply and exhaust module as claimed in claim 1, wherein air doors are arranged in the air inlet cavity and the air exhaust cavity.
4. The integrated whole house fresh air system of the air supply and exhaust module according to claim 1 or 3, wherein a two-in-one air supply module is arranged in the air inlet cavity and/or the air inlet branch, and comprises a heat exchange channel, an air inlet channel and a return air channel;
one end of the air inlet channel is communicated with the outside of the room group or the air inlet, and the other end of the air inlet channel is communicated with the heat exchange channel;
one end of the return air channel is communicated with the room/the public space, and the other end of the return air channel is communicated with the heat exchange channel;
the communication part of the air inlet channel and the heat exchange channel and the communication part of the air return channel and the heat exchange channel are respectively provided with a control air door;
the heat exchange channel is internally provided with a heat exchanger, the first fan is arranged on one side of the heat exchanger, and the heat exchanger is also connected with a circulating unit for providing a heat exchange medium for the heat exchanger.
5. The integrated whole house fresh air system of the air supply and exhaust module according to claim 4, wherein the control damper comprises:
a fixed orifice plate having a plurality of sequentially arranged ventilation areas disposed thereon;
the sliding pore plate is overlapped with the fixed pore plate, and air distribution ports are arranged on the sliding pore plate and correspond to the ventilation areas on the fixed pore plate and can cover the ventilation areas;
and the driving device is used for pushing the sliding orifice plate to move relative to the fixed orifice plate, and the overlapped part of each ventilation area and the air distribution port is changed in the relative movement process, so that the opening and closing of the ventilation areas and the adjustment of the air flow are realized.
6. The supply-and-exhaust module integrated whole house fresh air system according to claim 1, wherein an outlet of the heat exchange channel and an inlet of the return air channel are arranged up and down.
7. The integrated whole house fresh air system of the air supply and exhaust module according to claim 1 or 6, wherein the outlet of the heat exchange channel is formed by a circular arc-shaped air outlet surface and a vertical air outlet surface.
8. The supply-and-exhaust module integrated whole-house fresh air system according to claim 1, wherein the air inlet is arranged above a door frame of a door of the room.
9. The supply-exhaust module integrated whole house fresh air system according to claim 1, wherein a vertically extending hollow wall column is arranged in a wall body on one side of the room close to the public space communicated with the room, the hollow wall column directly forms the return air pipe, one end of the hollow wall column close to the ground is communicated with the inside of the room, and the other end of the hollow wall column is communicated with the main exhaust duct.
10. The integrated whole house fresh air system of the air supply and exhaust module as claimed in claim 1, wherein a fresh air pre-processing module for filtering fresh air is further arranged in the air inlet cavity.
11. The integrated whole house fresh air system of the air supply and exhaust module according to claim 4, wherein the circulating unit comprises an outer heat exchanger, a compressor and a throttle valve, and the inner heat exchanger, the outer heat exchanger, the throttle valve and the compressor are circularly connected to form a circulating channel for circulating a heat exchange medium.
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| CN202010336505.0A CN111412547A (en) | 2020-04-24 | 2020-04-24 | Air supply and exhaust module integrated whole-house fresh air system |
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| CN115095942A (en) * | 2022-05-31 | 2022-09-23 | 上海伯涵热能科技有限公司 | Bidirectional flow full-house fresh air system with toilet in room |
| CN115095943A (en) * | 2022-05-31 | 2022-09-23 | 上海伯涵热能科技有限公司 | Bidirectional flow whole house fresh air system |
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