CN111678205A - Outer new trend and two unification's of inner loop fan coil unit device and whole room new trend replacement system - Google Patents

Outer new trend and two unification's of inner loop fan coil unit device and whole room new trend replacement system Download PDF

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Publication number
CN111678205A
CN111678205A CN202010336417.0A CN202010336417A CN111678205A CN 111678205 A CN111678205 A CN 111678205A CN 202010336417 A CN202010336417 A CN 202010336417A CN 111678205 A CN111678205 A CN 111678205A
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China
Prior art keywords
air
air inlet
fresh air
room
internal circulation
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Pending
Application number
CN202010336417.0A
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Chinese (zh)
Inventor
薛世山
李成伟
韦林林
周萍
薛碧荷
王恒
诸葛水明
马骥
刘帅帅
胡用
刘玉恩
王庆伦
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Guangzhou Wan'ermei Engineering Technology Co ltd
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SHANGHAI BOHAN THERMAL ENERGY TECHNOLOGY CO LTD
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Priority to CN202010336417.0A priority Critical patent/CN111678205A/en
Publication of CN111678205A publication Critical patent/CN111678205A/en
Pending legal-status Critical Current

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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
    • 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
    • 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
    • F24F1/0071—Indoor units, e.g. fan coil units with means for purifying supplied air
    • F24F1/0073—Indoor units, e.g. fan coil units with means for purifying supplied air characterised by the mounting or arrangement of filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02—Ducting arrangements
    • 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
    • F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
    • F24F13/0604—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser integrated in or forming part of furniture
    • 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
    • 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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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Central Air Conditioning (AREA)

Abstract

The invention discloses a fan coil device integrating external fresh air and internal circulation and a whole-house fresh air replacement system adopting the device, wherein the fan coil device comprises: the air conditioner comprises a shell, wherein a fresh air port, an internal circulation air inlet and an air outlet are arranged on the shell, a fresh air door is arranged on the fresh air port, and an internal circulation air inlet door is arranged on the internal circulation air inlet; the internal circulation air inlet and the air outlet are communicated with a space where the fan coil device is located, and the fresh air inlet is communicated with air outside the space; the inner heat exchanger is arranged in the shell and is close to the air outlet, and the inner heat exchanger is also connected with a circulating unit for providing a heat exchange medium for the inner heat exchanger; the first fan is arranged in the shell; and under the action of the first fan, air enters the shell from the fresh air inlet and/or the internal circulation air inlet, passes through the internal heat exchanger and then is discharged from the air outlet.

Description

Outer new trend and two unification's of inner loop fan coil unit device and whole room new trend replacement system
Technical Field
The invention relates to the technical field of air exchange system design, in particular to a fan coil device integrating external fresh air and internal circulation and a whole-house fresh air exchange system.
Background
Thousands of years ago, people walk out of the cave and enter the artificial space of the house.
However, in buildings, especially houses, due to the respiration and excretion of human beings and animals, the diffusion of gas oil smoke in the cooking process, and the volatilization of benzene aldehydes in various artificial materials, indoor air is polluted, the physical and mental health of residents is seriously threatened, and the controllable ventilation technology and the fresh air introduction and replacement effect of the houses become the primary problems for the residents.
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 open arrows and the solid arrows represent the introduction of fresh air into the house and the discharge of dirty air from the house, respectively.
However, the above-mentioned fresh air system using air ducts in buildings and houses on a 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 not only complex to install, but also need to be coated and decorated after installation to improve the visual effect, and the fresh air system becomes the highest subentry in the building decoration cost because the fresh air system is used for covering and decorating the fresh air and the air inlet and outlet of the return air pipe in the indoor ceiling;
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, the 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;
the fresh air replacement effect is poor, namely, as shown in the fresh air system of each room in fig. 2, a fresh air inlet and a dirty air outlet are both arranged on a suspended ceiling below a ceiling of the room, although the design and construction pay attention to the fact that the suspended ceiling is installed in a staggered mode by pulling the fresh air inlet and the dirty air outlet in the horizontal direction, the fresh air inlet and the dirty air outlet cannot be staggered in the vertical direction, namely the height direction; because the speed of the fresh air supplemented by the fresh air inlet is about 2m/s generally, the downward pressure head is very small, part of fresh air flow does not participate in fresh air replacement, but finds the path with the shortest distance between the fresh air inlet and the dirty air outlet, and moves along the ceiling surface directly towards the outlet, 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. The three problems of the traditional fresh air system exist simultaneously, and the system also has the pretreatment problems of fresh air dedusting and filtering, cooling and dehumidifying (heating and warming). If the fresh air system can not effectively remove dust and filter the introduced indoor fresh air, dust, aerosol, bacterial microorganisms and the like in the fresh air are accumulated in the house, so that the health promotion effect of the fresh air system is greatly reduced; if the fresh air system can not carry out cooling dehumidification in summer and heating temperature in winter on the introduced indoor fresh air, the whole temperature and humidity of the indoor air can be fluctuated, the temperature and the humidity are fluctuated, and the influence on the thermal comfort feeling of a human body is generated.
The introduction of fresh air is filtered, especially the temperature reduction and dehumidification in summer and the heating and temperature rise in winter, and a large amount of energy is consumed. The proportion of building energy consumption in the whole social energy consumption in China is high, and the building energy consumption is parallel to industrial energy consumption and traffic energy consumption, so that the building energy consumption becomes three big energy consumption households in China, and becomes the focus of social energy conservation; and the building energy consumption is along with the continuous rising of the total building amount and the rising of the living comfort level, and the building energy consumption is in a sharp rising trend. The energy consumption of buildings (including living energy consumption, heating and air conditioning and the like) accounts for about 30 percent of the total energy consumption of the whole society, wherein the most important energy consumption is heating and air conditioning, and accounts for 20 percent.
The energy consumption generated by introducing the fresh air of the building to carry out pretreatment including dust removal, temperature reduction and dehumidification and heating and temperature rise so as to improve the quality of the fresh air is an important component of the energy consumption of the building, how to effectively reduce the energy consumption has important significance for popularization and promotion of a fresh air system and development of green building industry, is a great subject faced by the heating ventilation air conditioning industry, and is a problem guide of the patent.
Disclosure of Invention
The invention provides a fan coil device integrating external fresh air and internal circulation, which comprises:
the air conditioner comprises a shell, wherein a fresh air port, an internal circulation air inlet and an air outlet are arranged on the shell, a fresh air door is arranged on the fresh air port, and an internal circulation air inlet door is arranged on the internal circulation air inlet; the internal circulation air inlet and the air outlet are communicated with a space where the fan coil device is located, and the fresh air inlet is communicated with air outside the space;
the inner heat exchanger is arranged in the shell and is close to the air outlet, and the inner heat exchanger is also connected with a circulating unit for providing a heat exchange medium for the inner heat exchanger;
the first fan is arranged in the shell; and under the action of the first fan, air enters the shell from the fresh air inlet and/or the internal circulation air inlet, passes through the internal heat exchanger and then is discharged from the air outlet.
Preferably, the circulating unit comprises an outer heat exchanger, a compressor, a throttle valve and a plate heat exchanger, and the inner heat exchanger, the outer heat exchanger, the throttle valve, the plate heat exchanger and the compressor are circularly connected to form a circulating channel for circulating a heat exchange medium.
Preferably, an air inlet space and a heat exchange space are arranged in the shell, and the fresh air inlet and the internal circulation air inlet are arranged on the adjacent side walls of the air inlet space;
the heat exchanger is arranged in the heat exchange space, the first fan air outlet faces the inner heat exchanger, and air from the fresh air inlet and/or the inner circulation air inlet enters the heat exchange space through the first fan and flows through the inner heat exchanger.
Preferably, the fresh air door is provided with a filtering device.
Preferably, the fresh air door and the internal circulation air door adopt electric air doors with adjustable opening degrees.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the following advantages and positive effects:
1. the quality of fresh air is improved
The invention adopts the two-in-one fan coil device to filter and remove dust of outdoor fresh air introduced into the residential room group from the main air inlet, and carries out cooling and dehumidifying in summer and heating and warming treatment in winter, thereby improving the quality of the fresh air, reducing the disturbance of the fresh air on the temperature and humidity in the residence and improving the thermal comfort feeling of human bodies.
2. The equipment investment of a residential fresh air system is reduced, and the cost performance of a fan coil device is improved
According to the invention, the fresh air door and the internal circulation air door on the fan coil device of the main air inlet are arranged and switched, so that the combination of the fresh air preprocessing module of the main air inlet and the internal circulation air conditioning module in the space where the main air inlet is positioned is realized, one set of fan coil device bears the cooling and dehumidifying (heating and warming) air conditioning functions of two paths of air flows of fresh air and internal circulation air, the equipment investment of a residential fresh air system is reduced, the workload of field installation is reduced, and the cost performance of the fan coil device is improved;
3. reduces the occupation of indoor space resources by the fresh air system equipment
The fan coil device provided by the invention has the functions of temperature reduction, dehumidification (heating and temperature rise) and air conditioning of two paths of air flows of fresh air and internal circulating air, so that an indoor fan device is substantially reduced, the rigid occupation of fresh air system equipment on an indoor space is reduced, and the owner can conveniently exert other effects of the indoor space.
The invention also provides a whole-house fresh air replacement system which is used for replacing fresh air of the room group, wherein the room group can be a house or a functional unit combination in a building, and comprises a plurality of rooms and a public space communicated with the rooms; the public space can be a hall connecting room groups and can also be a passage communicating each room; its characterized in that, whole room new trend replacement system includes:
the main air inlet is arranged on the public space or one of the outer walls of the rooms to realize the communication between the room or the public space and the outside air of the room group; the side of the main air inlet positioned in the public space or the room is provided with the external fresh air and internal circulation two-in-one fan coil device as claimed in any one of claims 1 to 5, wherein the internal circulation air inlet and the air outlet are communicated with the public space or the room, and the fresh air inlet is communicated with the main air inlet;
the main air outlet is arranged on one of the room outer walls and is provided with a second fan;
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 main air outlet and is also communicated with each room through a return air pipe;
under the action of the first fan, outside fresh air enters the fan coil device from the main air inlet and then enters the public space from the air outlet or enters the public space through a room provided with the main air inlet; positive pressure is formed in the public space, fresh air enters each room through the branch air inlets to replace dirty air in the rooms, and the dirty air is exhausted from the main air outlet through the air return pipe and the main exhaust pipe.
Preferably, the air inlet is arranged at one side of the room close to the ground of the public space, and the air return pipe is arranged at one side of the room close to the roof; and the air inlet is far away from the air return pipe in the horizontal direction.
Preferably, one end of the air return pipe is communicated with the main exhaust pipe, and the other end of the air return pipe extends into the room and then extends to one side far away from the air inlet.
Preferably, the air inlet is arranged on the upper or lower door column of the room.
Preferably, the branch air inlet is provided with an adjustable air door.
Preferably, the adjustable damper comprises:
the sliding baffle is arranged on two opposite sides of the air inlet and movably mounted in the sliding grooves;
the driving device is installed on the door or the lower section door post, connected with the sliding baffle and used for driving the sliding baffle to move along the sliding groove to realize the opening and closing of the branch air inlet or the adjustment of the size of the air inlet of the branch air inlet.
Preferably, the sliding baffle is rectangular and matched with the air inlet, and four corners of the sliding baffle are rounded corners.
Preferably, the sliding baffle is a heat-insulating sound-insulating board.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the following advantages and positive effects:
1. the air supply pipe of the fresh air system is removed
In a traditional house fresh air system, an air inlet pipeline and an air outlet pipeline which are communicated with each room need 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 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 and serious room health and sanitation problem is caused; 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 room health and sanitation problems of secondary pollution and the like caused by dust, bacteria, microorganisms, bedbugs, cockroaches, feces and the like accumulated in the blast pipe (fresh air pipe) when the fresh air system runs and blown into the indoor space along with the fresh air.
2. Improves the fresh air replacement effect
In a traditional house fresh air system, a fresh air inlet and a dirty air outlet of a room are both arranged on a suspended ceiling below a ceiling, and the fresh air inlet and the dirty air outlet cannot be arranged in a staggered manner in the vertical direction, namely the height direction; because the speed of the fresh air fed into the fresh air inlet is about 2m/s generally, and the downward dynamic pressure head is very small, a 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 along the dirty air outlet on the lower surface of the suspended ceiling, 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;
according to the invention, each room air inlet is taken as a control node, the air flow enters the room at a low position and then performs combined motion of vertical rising and horizontal translation, and the dirty air is pushed to flow to the high-position outlet below the ceiling by extrusion, so that the ventilation blind area in the room is greatly reduced, the utilization rate of fresh air resources is high, and the fresh air replacement effect is good.
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 illustrates a short-circuiting of fresh air in a conventional bi-directional flow fresh air system;
FIG. 3 is a schematic view of an external structure of a fan coil device with two-in-one of external fresh air and internal circulation in embodiment 1;
FIG. 4 is a schematic view of the internal structure of a fan coil unit with integrated external fresh air and internal circulation in accordance with embodiment 1;
fig. 5 is a schematic view of an airflow field of the fan coil device with two-in-one of external fresh air and internal circulation in the internal circulation operation mode in embodiment 1;
FIG. 6 is a schematic view of an airflow field of the fan coil device with two-in-one of external fresh air and internal circulation in the fresh air replacement operation mode in the embodiment 1;
FIG. 7 is a schematic view of an airflow field of the fan coil device with two-in-one of outside air and internal circulation in the fresh air exchange operation mode in embodiment 2;
fig. 8 is a schematic view of an airflow field of the fan coil device with two-in-one of the external fresh air and the internal circulation in the internal circulation operation mode in embodiment 2;
FIG. 9 is a schematic view of a whole house fresh air replacement system according to embodiment 3;
FIG. 10 is a schematic view showing the structure of a door in example 3.
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.
Example 1
Referring to fig. 3-4, the invention provides a fan coil device integrating external fresh air and internal circulation, which comprises a shell 1, a heat exchanger 3 and a first fan 2, wherein a fresh air port 103, an internal circulation air inlet 101 and an air outlet 102 are arranged on the shell 1, a fresh air door 5 is arranged on the fresh air port 103, and an internal circulation air door is arranged on the internal circulation air inlet 101; the internal circulation air inlet 101 and the air outlet 102 are communicated with the space (such as a room) where the fan coil device is located, and the fresh air inlet is communicated with the outside air; the heat exchanger 3 is arranged in the shell 1 and close to the air outlet 102; the first fan 2 is arranged in the shell 1, and the inner heat exchanger is also connected with an outdoor unit for providing a heat exchange medium for the inner heat exchanger; under the action of the first fan 2, air enters the housing 1 from the fresh air inlet 103 and/or the internal circulation air inlet 101, passes through the heat exchanger and is exhausted from the air outlet 102.
In this embodiment, the housing 1 is a cabinet-type structure, as shown in fig. 3-4, and can be directly placed on the floor of the room, and the air inlet 101 and the air outlet 102 of the internal circulation air inlet are both horizontally oriented toward the room.
In this embodiment, the housing 1 is provided with two inner circulation air inlets 101 disposed oppositely, and the fresh air inlet 103 is disposed on the adjacent side wall of the inner circulation air inlet 101. Of course, in other embodiments, the arrangement positions and the arrangement numbers of the inner circulation air inlet 101 and the fresh air inlet 103 can be adjusted according to specific situations, and are not limited herein.
Further, as shown in fig. 4, an air intake space 104 and a heat exchange space 105 are arranged in the housing 1, and the fresh air inlet 103 and the two internal circulation air inlets 101 are arranged on adjacent side walls of the air intake space 104; the heat exchanger 3 is arranged in the heat exchange space 105, the first fan 2 is arranged towards the fresh air inlet 103, and air from the fresh air inlet 103 and/or the internal circulation air inlet 101 enters the heat exchange space 105 through the first fan 2, flows through the heat exchanger 3 for heating or cooling, and is discharged into a room where the device is located through the air outlet 102.
In this embodiment, the circulating unit may be a household central air conditioner, or a central air conditioner, which is not limited herein as long as it can provide a heat exchange medium for the internal heat exchanger;
when the circulating unit takes water as a heat exchange medium, the circulating 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 inner 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 circulating unit takes the refrigerant as a heat exchange medium, the circulating unit comprises a circulating channel which is formed by circularly connecting an outer heat exchanger, an inner heat exchanger, a throttle valve and a compressor and is used for circulating and phase-changing the refrigerant.
In the present embodiment, the first fan 2 is preferably a centrifugal fan.
In this embodiment, the fresh air door 5 and the internal circulation air door adopt electric air doors with adjustable opening degrees, and the opening and closing of the fresh air door 5 and the internal circulation air door or the adjustment of the opening degree of the air opening can be automatically controlled.
In this embodiment, the fresh air door 5 is provided with the filter device 4 for performing dust removal and other filtering on the fresh air conveyed into the casing 1, and the specific structure can be realized by a filter screen and the like, and the limitation is not made here. .
The fan coil device integrating the fresh air outside the main air inlet and the internal circulation can be used for fresh air in a whole house and internal circulation in a room; when the temperature and humidity of indoor air need to be adjusted, the internal circulation air door is opened, and the fresh air door 5 is closed; when needing to supply new trend in order to reduce the dirty turbidity of residence indoor air open new trend air door 5, close the internal circulation air door, it is specific:
internal circulation operation mode
As shown in fig. 5, when temperature and humidity of indoor air in a space where the main air inlet is located need to be adjusted, an internal circulation operation mode is started, an internal circulation air door is opened, a fresh air door 5 is closed, a first fan 2 and a heat exchanger 3 are started, an air inlet space 104 connected with an air suction port of the first fan becomes a negative pressure zone, indoor air flows in from the internal circulation air inlet 101, flows through the heat exchanger 3 after being boosted by the first fan, and is sent into a room from an air outlet 102 after being cooled and dehumidified (heated and heated) by the heat exchanger;
second fresh air replacement operation mode
As shown in fig. 6, when fresh air needs to be supplemented to reduce the air turbidity in the residence room, the fresh air exchange operation mode is started, the fresh air damper 5 is opened, the internal circulation damper is closed, the first fan 2 and the heat exchanger 3 are started, the air inlet space 104 connected with the air suction opening of the first fan becomes a negative pressure zone, outdoor fresh air flows in from the fresh air damper 5, is boosted by the first fan, flows through the heat exchanger 3, is cooled and dehumidified (heated and warmed) by the heat exchanger, and then is sent into the room from the air outlet 102; the indoor space where the fan coil device is located becomes a positive pressure area, and fresh air is pushed to be conveyed to other spaces in the sleeve through the door;
the invention provides an external fresh air and internal circulation two-in-one fan coil device, which has the beneficial effects that:
fresh air quality is improved
This embodiment adopts two unification fan coil unit devices to filter the dust removal to the outdoor new trend of introducing the house to cool down the dehumidification in summer, heat the intensification and handle winter, promoted the new trend quality, reduced the disturbance of new trend to temperature and humidity in the house, improved human thermal comfort impression.
Secondly, the equipment investment of a residential fresh air system is reduced, and the cost performance of the fan coil device is improved
According to the invention, the combination of the fresh air preprocessing module and the internal circulation air conditioning module is realized through the arrangement and switching of the fresh air door and the internal circulation air door on the fan coil device, one set of fan coil device bears the functions of cooling, dehumidifying (heating and warming) air conditioning of two paths of air flows of fresh air and internal circulation air, the equipment investment of a residential fresh air system is reduced, the workload of field installation is reduced, and the cost performance of the fan coil device is improved;
reduces the occupation of indoor space resources by the fresh air system equipment
The fan coil device provided by the invention has the functions of temperature reduction, dehumidification (heating and temperature rise) and air conditioning of two paths of air flows of fresh air and internal circulating air, so that an indoor fan device is substantially reduced, the rigid occupation of fresh air system equipment on an indoor space is reduced, and the owner can conveniently exert other effects of the indoor space.
Example 2
Referring to fig. 7 to 8, the fan coil device integrating the external fresh air and the internal circulation provided in this embodiment is adjusted based on embodiment 1.
In this embodiment, the housing 1 is a wall-mounted structure, which is installed on the top of a room, and has an inner circulation air inlet 101 vertically facing the room interior/outlet 102 and horizontally facing the room interior.
In this embodiment, the description of embodiment 1 can be referred to for other structures of the fan coil device, and details are not repeated here.
Example 3
The invention provides a whole-house fresh air replacement system which is used for replacing fresh air of a room group, wherein the room group can be a set of house and also can be a functional area in public buildings such as an office building teaching building, and comprises a plurality of rooms, halls and channels communicated with the rooms; the whole-house fresh air replacement system comprises a total air inlet, a total air outlet, branch air inlets and a total exhaust pipe; the main air inlet is arranged on the channel or one of the rooms to realize the communication between the room or the channel and the outside air of the room group; a fan coil device integrating external fresh air and internal circulation in embodiment 1 or embodiment 2 is arranged on one side of the main air inlet in the channel or the room, wherein the internal circulation air inlet and the air outlet are communicated with the channel or the room, and the fresh air inlet is communicated with the main air inlet; each room is provided with a branch air inlet communicated with the channel; the main air outlet is arranged on the outer wall of one room, and a second fan is arranged on the main air outlet; the main exhaust pipe is communicated with the main air outlet and is also communicated with each room through a return air pipe.
When the fresh air in each room in the room group needs to be replaced, the air inlet fan and the air outlet fan are started; under the action of an air inlet fan, external fresh air enters the channel after passing through a fan coil device or enters the channel through a room provided with a main air inlet; at the moment, the air pressure in the channel is greater than the air pressure in each room, so that a positive pressure space is formed in the channel, and therefore fresh air enters each room through the air inlet; dirty air is replaced after fresh air enters a room, and then the dirty air is discharged from a main air outlet through a negative pressure air return pipe and a main exhaust pipe pipeline under the action of an air outlet fan, so that the function of fresh air replacement is completed.
The main air inlet can be arranged on a channel, such as a channel of an office building teaching building, under the condition, external fresh air directly enters the channel through the main air inlet and then enters each room through the sub-air inlets on each room to be replaced by the fresh air;
or the main air inlet is selectively arranged in one room, such as a study room in a house, and outside fresh air firstly enters the room and then enters the channel from the door of the room or the air inlet; fresh air enters the channel and then enters each room through the air inlet of each room to be replaced;
or the total air inlet and the total air outlet can be set in the same room or in two different rooms; in this case, the fresh air from outside enters the room with the main air inlet, and then enters the channel from the door or the branch air inlet of the room; the fresh air enters the channel and then enters each room through the branch air inlets on each room to be replaced by the fresh air;
above-mentioned, total air intake, total air outlet's the equal adjustable according to particular case's mounted position, do not do the restriction here.
Wherein, all be equipped with first/second fan (be air inlet fan and air-out fan respectively) on preferred total air outlet and the total air intake, of course, also can only total air outlet be provided with the second fan, perhaps only total air intake pipe is provided with first fan, can adjust according to particular case, and here does not do the restriction.
The whole-house fresh air replacement system provided by the invention is suitable for various house systems, such as residential houses, office buildings, hotels and the like, and is not limited here.
The whole-house fresh air replacement system provided by the invention takes the fan as power, introduces outdoor fresh air into a room, discharges indoor dirty air to the outside, implements whole-house fresh air replacement, and has the following beneficial effects:
in a traditional house fresh air system, an air inlet pipeline and an air outlet pipeline which are communicated with each room need 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, cockroaches, excrement and the like accumulated in the air supply pipe (fresh air pipe) are blown into the indoor space along with fresh air during operation, and a new and serious room health and sanitation problem of secondary pollution is caused; the invention uses the public space/room needing fresh air replacement 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 fresh air blows the indoor space.
The following description will be made by taking a room group as a residential house.
Referring to fig. 9-10, in the present embodiment, the room group includes a passage 7 as a common space and a plurality of rooms 8 communicating with the passage 7, and the plurality of rooms may specifically include a study room, a bedroom, a living room, and the like.
In this embodiment, the main air inlet 12 is disposed in one of the rooms, and the main air inlet 12 is a through hole directly formed in an outer wall of the room to communicate with the outside air, although in other embodiments, the main air inlet 12 may also be disposed in other rooms or in the channel 7, which is not limited herein.
Further, the fan-coil unit 11 is also disposed in the room, and the fresh air inlet 103 of the fan-coil unit 11 is communicated with the total air inlet 12, and the air outlet 102 of the fan-coil unit 11 faces the room, as shown in fig. 9.
In this embodiment, set up total air outlet 15 in the one end of passageway 7, total air outlet 15 is the through-hole of directly seting up on the outer wall that passageway 7 corresponds, realizes with external intercommunication, and total air outlet 15 is provided with air-out fan 14.
In this embodiment, the air dividing ports are arranged at one side of each room close to the ground, and the return ducts 9 are arranged at one side of each room close to the roof; and the branch air inlet is arranged far away from the air suction inlet of the return air duct in the horizontal direction.
In a traditional house fresh air system, a fresh air inlet and a dirty air outlet of a room are both arranged on a suspended ceiling below a ceiling, and the fresh air inlet and the dirty air outlet cannot be arranged in a staggered manner in the vertical direction, namely the height direction; because the speed of the fresh air fed into the fresh air inlet is about 2m/s generally, and the downward dynamic pressure head is very small, a 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 positive pressure fresh air inlet and the negative pressure dirty air outlet is found, and the path runs along the dirty air outlet on the lower surface of the suspended ceiling, so that the fresh air flow is short-circuited, the fresh air resource is wasted, and the fresh air replacement effect is poor;
this embodiment uses each room branch air inlet as the node, is vertical rising and the compound motion of horizontal translation after the new trend low-order gets into the room, and the extrusion promotes dirty air flow direction high-order discharge port below the ceiling, has reduced the inside ventilation blind area in room by a wide margin, and new trend resource utilization rate is high, and new trend replacement is effectual.
In this embodiment, total exhaust pipe 10 is through a plurality of return air pipes 9 and each room intercommunication, and is concrete, return air pipe 9's one end and total exhaust pipe 10 intercommunication, and the other end extends into in the room to extending the setting to the side of keeping away from branch air inlet 20, is provided with like this and does benefit to further the sunction inlet that makes return air pipe 9 and keeps away from the export of branch air inlet 20 to be favorable to guaranteeing that the new trend is better more comprehensive to be replaced in the room, be favorable to improving the new trend replacement effect.
Of course, in other embodiments, the other end of the return air duct 9 may not extend to the side far away from the branch air inlet 20, as long as the other end of the return air duct is ensured to extend into the room, which is not limited herein.
In this embodiment, the air inlet 20 is disposed on the door 16 of each room, so that the door can be directly modified without opening the wall, and the original wall structure is not damaged.
Further, as shown in fig. 10, an adjustable damper is provided on the air inlet 20. Specifically, the adjustable damper comprises a sliding baffle 18 and a driving device 17; the sliding baffle 18 is rectangular and matched with the air inlet 20, sliding grooves 19 are formed in two opposite sides of the air inlet 20, and the left side and the right side of the sliding baffle 18 are movably arranged in the sliding grooves 19; the driving device 17 is installed on the door 16, and the driving end (driving rod) is connected to the sliding baffle 18, and is used for driving the sliding baffle 18 to move along the chute 19 to realize the opening and closing of the air inlet 20 or the adjustment of the size of the air door of the air inlet.
In order to improve the flexibility of the sliding baffle 18 in the chute 19, in the embodiment, a driving rod for driving the sliding baffle 18 to open and close is further arranged on a geometric center line of the sliding baffle 18, the driving rod is connected with the sliding baffle 18 in a hinged connection mode, and the length of the upper edge of the door frame in the moving direction of the driving rod is required to be greater than 1/2 of the sliding baffle 18 in the same direction length, so that the flexibility of the sliding baffle 18 in the chute 19 is improved, the lateral extrusion force of the sliding baffle 18 on a groove and the sliding resistance caused by the lateral extrusion force, which are possibly caused by the eccentricity of the driving rod, are fundamentally eliminated, and the risk that the sliding baffle 18 is blocked by the chute 19 and the sliding baffle 18 damages the chute 19 is eliminated;
in order to further eliminate the problem of sliding resistance torque which may be encountered by the sliding baffle 18 in the sliding chute 19, in the embodiment, the four corners of the sliding baffle 18 are subjected to fillet process treatment when the sliding baffle 18 is designed and manufactured, so that the sliding property of the sliding baffle 18 in the sliding chute 19 is improved, and the door leaf sliding resistance torque caused by scraping and even penetrating into the material of the chute 19 by the square corners at the four corners of the sliding baffle 18 is fundamentally eliminated;
wherein, in order to strengthen slide damper 18's heat preservation sound insulation effect, this embodiment slide damper 18 is the slice rectangle cavity body that has certain thickness, fills insulation material in for when this slide damper 18 in-service use, can effectively block the transmission of air door both sides heat and vibration noise during the closing, have good adiabatic and sound insulation effect.
In this embodiment, the main air inlet 12 is further provided with a fresh air pre-processing module 9 for filtering and air conditioning fresh air. The fresh air preprocessing module 9 can be specifically a filter screen, a fan, a coil pipe and other structures, is used for carrying out operations such as dust removal and air conditioning on fresh air entering a house, and is simultaneously favorable for promoting a fresh air pressure head.
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 (13)

1. The utility model provides a fan coil device of two unifications of outer new trend and inner loop which characterized in that includes:
the air conditioner comprises a shell, wherein a fresh air port, an internal circulation air inlet and an air outlet are arranged on the shell, a fresh air door is arranged on the fresh air port, and an internal circulation air inlet door is arranged on the internal circulation air inlet; the internal circulation air inlet and the air outlet are communicated with a space where the fan coil device is located, and the fresh air inlet is communicated with air outside the space;
the inner heat exchanger is arranged in the shell and is close to the air outlet, and the inner heat exchanger is also connected with a circulating unit for providing a heat exchange medium for the inner heat exchanger;
the first fan is arranged in the shell; and under the action of the first fan, air enters the shell from the fresh air inlet and/or the internal circulation air inlet, passes through the internal heat exchanger and then is discharged from the air outlet.
2. A fan-coil unit with two functions of fresh air supply and internal circulation as claimed in claim 1, wherein the circulator group comprises an external heat exchanger, a compressor, a throttle valve and a plate heat exchanger, and the internal heat exchanger, the external heat exchanger, the throttle valve, the plate heat exchanger and the compressor are connected in a circulating manner to form a circulating channel for circulating a heat exchange medium.
3. A fan-coil unit with two functions of fresh air supply and internal circulation as claimed in claim 1, wherein an air inlet space and a heat exchange space are provided in the casing, and the fresh air inlet and the air inlet of the internal circulation are provided on adjacent side walls of the air inlet space;
the inner heat exchanger is arranged in the heat exchange space, the first fan is arranged towards the inner heat exchanger, and air from the fresh air inlet and/or the inner circulating air inlet enters the heat exchange space through the first fan and flows through the inner heat exchanger.
4. A fan coil unit with two-in-one of outside air and inside air circulation as set forth in claim 1 wherein said fresh air damper is provided with a filter means.
5. A fan coil unit with two-in-one of external fresh air and internal circulation as claimed in claim 1, wherein the fresh air damper and the internal circulation air inlet damper are electrically operated dampers with adjustable opening degrees.
6. A whole-house fresh air replacement system is used for replacing fresh air of a room group, wherein the room group comprises a plurality of rooms and a public space communicated with the rooms; its characterized in that, whole room new trend replacement system includes:
the main air inlet is arranged on the public space or one of the rooms to realize the communication between the room or the public space and the outside air of the room group; the side of the main air inlet positioned in the public space or the room is provided with the external fresh air and internal circulation two-in-one fan coil device as claimed in any one of claims 1 to 5, wherein the internal circulation air inlet and the air outlet are communicated with the room, and the fresh air inlet is communicated with the main air inlet;
the main air outlet is arranged on one of the room outer walls and is provided with a second fan;
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 main air outlet and is also communicated with each room through a return air pipe;
under the action of the first fan, outside fresh air enters the fan coil device from the main air inlet and then enters the public space from the air outlet or enters the public space through a room provided with the main air inlet; and positive pressure is formed in the public space, so that fresh air enters each room through the branch air inlets to replace dirty air in the rooms, and the dirty air is exhausted from the main air outlet through the air return pipe and the main exhaust pipe.
7. The whole house fresh air replacement system according to claim 6, wherein the air inlet is arranged at one side of the room close to the ground of the public space, and the air return pipe is arranged at one side of the room close to the roof; and the air inlet is far away from the air return pipe in the horizontal direction.
8. The whole house fresh air replacement system according to claim 6 or 7, wherein one end of the return air pipe is communicated with the main exhaust pipe, and the other end of the return air pipe extends into the room and then extends to a side far away from the branch air inlet.
9. The whole house fresh air replacement system according to claim 6 or 7, wherein the air inlet is arranged on the lower part of the door of the room or on the lower sections of the doorposts on both sides of the door.
10. The whole house fresh air replacement system according to claim 9, wherein the branch air inlets are provided with adjustable air doors.
11. The whole house fresh air replacement system according to claim 10, wherein the adjustable damper comprises:
the sliding baffle is arranged on two opposite sides of the air inlet and movably mounted in the sliding grooves;
the driving device is installed on the lower section of the door post on the two sides of the door or the door, connected with the sliding baffle and used for driving the sliding baffle to move along the sliding groove to realize the opening and closing of the branch air inlet or the adjustment of the size of the air inlet of the branch air inlet.
12. The whole house fresh air replacement system according to claim 11, wherein the sliding baffle is rectangular to match the air inlet, and four corners of the sliding baffle are rounded.
13. The whole house fresh air replacement system according to claim 11, wherein the sliding damper is a thermal insulation and sound insulation plate.
CN202010336417.0A 2020-04-24 2020-04-24 Outer new trend and two unification's of inner loop fan coil unit device and whole room new trend replacement system Pending CN111678205A (en)

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CN202010336417.0A CN111678205A (en) 2020-04-24 2020-04-24 Outer new trend and two unification's of inner loop fan coil unit device and whole room new trend replacement system

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Application Number Priority Date Filing Date Title
CN202010336417.0A CN111678205A (en) 2020-04-24 2020-04-24 Outer new trend and two unification's of inner loop fan coil unit device and whole room new trend replacement system

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115095944A (en) * 2022-05-31 2022-09-23 上海伯涵热能科技有限公司 Whole house fresh air system with fan coil arranged adjacent to outer wall
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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115095944A (en) * 2022-05-31 2022-09-23 上海伯涵热能科技有限公司 Whole house fresh air system with fan coil arranged adjacent to outer wall
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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