CN114543159A - Air conditioning system and control method thereof - Google Patents
Air conditioning system and control method thereof Download PDFInfo
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- CN114543159A CN114543159A CN202011358810.6A CN202011358810A CN114543159A CN 114543159 A CN114543159 A CN 114543159A CN 202011358810 A CN202011358810 A CN 202011358810A CN 114543159 A CN114543159 A CN 114543159A
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 58
- 238000000034 method Methods 0.000 title claims description 17
- 238000009423 ventilation Methods 0.000 claims abstract description 18
- 238000005192 partition Methods 0.000 claims abstract description 17
- 238000004891 communication Methods 0.000 claims abstract description 16
- 239000007789 gas Substances 0.000 description 25
- 238000010586 diagram Methods 0.000 description 8
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 241000220317 Rosa Species 0.000 description 1
- 206010040007 Sense of oppression Diseases 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 201000009240 nasopharyngitis Diseases 0.000 description 1
- 238000009420 retrofitting Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Classifications
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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
- F24F1/0003—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station characterised by a split arrangement, wherein parts of the air-conditioning system, e.g. evaporator and condenser, are in separately located units
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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
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/75—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity for maintaining constant air flow rate or air velocity
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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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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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)
- Fluid Mechanics (AREA)
- Ventilation (AREA)
Abstract
The invention relates to an Air Conditioning (AC) system, which comprises an indoor ventilation device, at least one air supply chain area and at least one series channel. The indoor ventilation device comprises a main fan. The air inlet of the at least one air supply chain area is communicated with the air outlet of the main fan, the at least one air supply chain area comprises n sub air supply areas, and each of the n sub air supply areas comprises at least one air inlet and at least one air outlet. The at least one serial communication channel is sequentially connected with the at least one air outlet and/or the at least one air inlet of each of the n sub air supply areas to be sequentially connected with each of the n sub air supply areas in series one by one, wherein n is an integer and n is greater than 1, and at least one serial communication channel is a partition wall for connecting any two sub air supply areas.
Description
Technical Field
The present invention relates to an Air Conditioning system and a control method thereof, and more particularly, to an Air Conditioning system used in the field of Air Conditioning (AC) technology for optimizing an existing Air Conditioning system.
Background
Referring to fig. 1-2, fig. 1 is a schematic diagram of a conventional Air Conditioning (AC) system 10; fig. 2 is a schematic diagram of a conventional Air Conditioning (AC) system 10. In the conventional air conditioning system 10, an indoor ventilator 195 is used to circulate air in an indoor space, and introduces outdoor air 190 (generally, the outdoor air 190 is an area where a building communicates with the outdoors, such as a balcony) to exchange with indoor air by using a main fan 110, thereby removing substances harmful to a human body, such as carbon dioxide, formaldehyde, etc., from the indoor air. The air is delivered in parallel to each sub-air supply region 130 through the air inlet 131 via the air inlet duct 167 and then returned to the indoor ventilator 195 through the air outlet duct 169 via the air outlet 132. Exhaust gases 192 are also optionally vented. Basically, the indoor ventilation device mentioned in the present invention is a so-called total heat exchanger, which has a heat exchange function, but mainly aims to maintain indoor air quality, and is not suitable for being responsible for temperature adjustment. Since the lengths of the inlet duct 167 and the outlet duct 169 affect the air volume (generally, the longer the pipeline, the more the air volume is consumed), the indoor ventilator 190 is usually installed in the center of the indoor space (as shown in fig. 1) to avoid the problem of uneven air volume distribution in each space. When an indoor space is installed, it is generally covered with a ceiling for the sake of appearance, and therefore, the height of the indoor space or a part thereof is lowered. According to statistics, when the indoor height is reduced to below 2.4 meters, oppression and discomfort are caused to people. Referring to fig. 3, the air inlet duct 167 is illustrated as a beam 168. Generally, the indoor space usually has a beam, and the air inlet duct 167 can be disposed in two ways: 1. opening a hole on the beam; 2. the air inlet pipe 167 is formed into a U shape (as shown in FIG. 3); 3. a beam over draft (a flat space is formed under the beam to allow air to flow) is used. The first, although feasible, is generally not recommended in view of building codes and structural safety; both the second and third methods result in a large air loss, which leads to insufficient air exchange in the space connected downstream or to the need for retrofitting larger total heat exchangers.
Moreover, because the pipe diameter of the air pipe is smaller under the same air quantity, the air quantity lost is larger. A typical home room space would suggest a 6 inch (about 15 cm) ductwork, and if the second approach is used, the ceiling height would need to be lowered even further 20-30 cm below the beams 168 (and possibly even lower).
However, the height of the indoor space is important for the quality of living, and thus if the use of the air duct can be reduced or even eliminated, the height of the ceiling does not have to be lowered due to the arrangement of the air duct. It should be noted that the air ducts (inlet duct 167 and outlet duct 169) of the conventional Air Conditioning (AC) system 10 are typically required to be distributed over the entire indoor space (see fig. 1).
Therefore, the prior art exists: 1. the use of a large number of air pipes causes the increase of cost, the difficulty of construction and the reduction of the ceiling height of most indoor spaces; 2. the lintel section can cause a reduction in the ceiling (U-shaped lintel) or loss of air volume (plenum lintel).
Disclosure of Invention
In order to solve the above-mentioned problems of the prior art, the present invention provides an air conditioning system and a control method thereof, which first connect a plurality of sub-air supply areas in a serial channel manner to supply air in sequence, thereby reducing the use of most air pipes (the length of the air pipe only needs to connect adjacent sub-air supply areas) compared with the existing parallel air pipes (the air pipe of each sub-air supply area needs to be connected to the indoor ventilator); and then, the serial connection channel is further arranged in the partition wall of the adjacent sub air supply area, so that the air pipes required to be used by the adjacent sub air supply area are further removed greatly. Without requiring the use of a large number of ducts while reducing the height of the ceiling, as in prior air conditioning systems.
To achieve the above objective, the present invention provides an air conditioning system, which includes an indoor ventilation device, at least one air supply chain area, and at least one serial channel.
The indoor ventilator is used for receiving outdoor air. The indoor ventilation device comprises a main fan. The at least one gas supply chain zone comprises n sub-gas supply zones. Each sub-air supply area comprises at least one air inlet and at least one air outlet. The at least one serial communication channel is sequentially connected with the at least one air outlet and/or the at least one air inlet of each of the n sub air supply areas, and then the n sub air supply areas are connected in series one by one. Wherein n is an integer and n > 1. The at least one air inlet of each sub air supply area is only connected with one serial channel of the at least one serial channel, and the at least one air outlet of each sub air supply area is only connected with the other serial channel of the at least one serial channel. The n sub air supply regions connected in series one by one sequentially comprise a 1 st sub air supply region, at least one air inlet is communicated to the air outlet of the main fan through the at least one serial communication channel, and the nth sub air supply region is communicated to the n-1 st sub air supply region, at least one air outlet is communicated to an exhaust pipe and returned to the indoor air interchanger.
In a preferred embodiment, at least one of the at least one series of communication channels is a partition wall connecting any two of the sub-gas supply areas.
In a preferred embodiment, when n >2, the n sub-air supply regions sequentially connected in series include the at least one air inlet of the mth sub-air supply region except the 1 st sub-air supply region and the nth sub-air supply region, which is communicated to the at least one air outlet of the m-1 st sub-air supply region, and the at least one air outlet of the mth sub-air supply region, which is communicated to the at least one air inlet of the m +1 th sub-air supply region, wherein m is an integer and n > m > 1.
In a preferred embodiment, the air conditioner further comprises a sub-air conditioning unit, which is arranged inside each of the n sub-air supply areas.
In a preferred embodiment, the air conditioner further comprises at least one sub-fan arranged in the at least one series of communication channels.
To achieve the above object, the present invention further provides a control method of an air conditioning system, including: firstly, conveying outdoor air to at least one air supply chain area through a main fan of an indoor ventilation device; then, sequentially connecting at least one air outlet and/or at least one air inlet of each n sub-air supply areas of the at least one air supply chain area through at least one serial channel, and further serially connecting each n sub-air supply areas one by one, wherein n is an integer and n is greater than 1; then, sequentially delivering air to each of the n sub-air supply regions of the at least one air supply chain region through the at least one serial communication channel; next, the control method of the air conditioning system further includes: and the air outlet of the nth sub air supply area is communicated to an exhaust pipe and returned to the indoor ventilation device. Wherein the at least one air inlet of each of the sub-air supply regions is connected only to one of the at least one series channel and the at least one air outlet of each of the sub-air supply regions is connected only to the other of the at least one series channel.
In a preferred embodiment, the control method of the air conditioning system further includes: and arranging a sub air-conditioning unit in each of the n sub air supply areas for homogenizing the air in the sub air supply areas.
In a preferred embodiment, the indoor ventilation device is disposed outside the at least one gas supply chain region.
In a preferred embodiment, at least one of the at least one series of communication channels is a partition wall connecting any two of the sub-gas supply areas.
In a preferred embodiment, the control method of the air conditioning system further includes at least one sub-fan disposed in the at least one series of communication channels.
Compared with the prior art, the invention only needs to connect the plurality of sub air supply areas by one fan in a way of at least one serial channel to supply air in sequence, and reduces the use of most air pipes (the length of the air pipe only needs to connect the adjacent sub air supply areas) compared with the prior parallel air pipes (the air pipe of each sub air supply area needs to be connected to the indoor ventilation device); and then, the serial connection channel is further arranged in the partition wall of the adjacent sub air supply area, so that the air pipes required to be used by the adjacent sub air supply area are further removed greatly. Without requiring the use of a large number of ducts while reducing the height of the ceiling, as in prior air conditioning systems.
Drawings
FIG. 1 is a schematic diagram of a conventional air conditioning system;
FIG. 2 is a schematic diagram of the conventional air conditioning system of FIG. 1;
FIG. 3 is a schematic view of an inlet duct lintel;
FIG. 4 is a schematic diagram of the piping arrangement of the air conditioning system according to the present invention;
FIG. 5 is an enlarged schematic view of region A according to FIG. 4;
FIG. 6 is a schematic diagram of an air conditioning system according to the present invention; and
fig. 7 illustrates a control method of an air conditioning system according to the present invention.
Detailed Description
The following description of the embodiments refers to the accompanying drawings, which are included to illustrate specific embodiments in which the invention may be practiced. The directional terms used in the present invention, such as "up", "down", "front", "back", "left", "right", "inside", "outside", "side", etc., refer to the directions of the drawings. Accordingly, the directional terms used are used for explanation and understanding of the present invention, and are not used for limiting the present invention.
Referring first to fig. 4-6, fig. 4 is a schematic diagram of the pipeline configuration of the air conditioning system 100 according to the present invention; FIG. 5 is an enlarged schematic view of region A according to FIG. 4; fig. 6 is a schematic diagram of an air conditioning system according to the present invention. The air conditioning system 100 includes an indoor ventilator 195, at least one air supply link zone 150, and at least one series channel 165. The sub air conditioning unit 125 is provided in fig. 4, but the sub air conditioning unit 125 is not provided in fig. 6.
The indoor ventilator 195 includes a main fan 110. The indoor ventilator 195 receives the outdoor air 190. Generally, the indoor ventilator 195 may include a basic filtering unit (not shown), but the filtering unit may be further used to remove harmful gases such as formaldehyde, etc. according to the change of the requirement. Basically, the indoor ventilation device 195 has no temperature regulation function, and mainly functions to maintain the concentration of carbon dioxide and other harmful human body gases in the indoor air under the condition of similar sealing (door and window closing) of the indoor space. In the preferred embodiment, a home space is used as an illustration, and only the area of the lower left corner (the area where the indoor ventilator 195 is located) is a balcony (non-enclosed space). The air inlet 151 of the air supply chain area 150 is communicated with the main fan 110, the air supply chain area 150 includes 6 sub air supply areas 130 (both of which are in a similar closed state), and each sub air supply area 130 includes an air inlet 131 and an air outlet 132 (which may be additionally configured as the case may be).
Each series channel 165 is used for connecting in proper order each in the corresponding air supply chain district 150 n sub air supply is regional an at least gas outlet 132 and/or an at least gas inlet 131, and then concatenates each one by one n sub air supply is regional 130 in order to provide the indoor air feed that needs, wherein an at least series channel 165 concatenates each one by one in proper order the adjacent two sub air supply of an at least air supply chain district 150 are regional 130 corresponding the gas outlet 132 with the gas inlet 131. Fig. 6 illustrates two gas supply chain zones 150 connected in parallel at the very front (an independent inlet duct 167 may also be used at the very front; fig. 4 illustrates the invention with 1 gas supply chain zone 150 as an example.
Preferably, a plurality of air inlets 131 and/or a plurality of air outlets 132 are optionally provided in each sub-air supply region 130, it being noted that the plurality of air inlets 131 and/or the plurality of air outlets 132 are connected in parallel to the series connection 165.
It should be noted that each sub-air supply area 130 in the present invention is connected to only two serial channels 165, and the two serial channels 165 are respectively connected to a plurality of air inlets 131 and/or a plurality of air outlets 132. Because the provision of each sub-supply region 130 has been eliminated in the present invention, if there are more than two serial-connected channels 165 in the same sub-supply region 130 (i.e., more than one serial-connected channel 165 for either gas outlet or gas inlet), it is possible to cause a problem of insufficient or excessive gas inlet for any two sub-supply regions 130 connected to the sub-supply region 130 (assuming one serial-connected channel 165 for gas inlet and two serial-connected channels 165 for gas outlet). Thus, the present invention is able to maintain an inlet/outlet (one series channel 165 for inlet air and one series channel 165 for outlet air) for each sub-air-supply region 130, and is further able to preferably maintain the ventilation volume for each sub-air-supply region compared to the prior art.
Preferably, since n is an integer and n >1, the n sequentially connected sub air supply regions 130 one by one include the 1 st sub air supply region 130 the at least one air inlet 131 is communicated to the at least one air outlet 112 of the main blower 110 via the at least one serial channel 165, and the at least one air inlet 131 of the nth sub air supply region 130 is communicated to the at least one air outlet 132 of the n-1 st sub air supply region and the at least one air outlet 132 of the nth sub air supply region is communicated to the exhaust pipe 170 and returned to the indoor ventilation device 195.
Preferably, when n >2, the n sub-air supply regions 130 sequentially connected in series one by one include the at least one air inlet 131 of the mth sub-air supply region 130 except the 1 st sub-air supply region 130 and the nth sub-air supply region 130, which is communicated to the at least one air outlet 132 of the m-1 st sub-air supply region 130, and the at least one air outlet 132 of the mth sub-air supply region 130, which is communicated to the at least one air inlet 131 of the m +1 th sub-air supply region 130, wherein m is an integer and n > m > 1.
In fig. 4, air is sequentially supplied into the 5 sub-air supply regions 130 in a counterclockwise manner from the indoor ventilator 195. In a state where each sub-air-supply area 130 is hermetically-like, air may be sequentially supplied into each sub-air-supply area 130. In this state, the series channel 165 (air duct) only needs to connect two adjacent sub-air supply regions 130, which can reduce the use of a large number of air ducts compared to the prior art that uses a large number of air inlet ducts and air outlet ducts. However, the ceiling height still cannot be increased despite the reduced use of large ductwork.
In view of this, a series of communication passages 165 may be provided in the partition walls 180 of the adjacent sub-air supply regions 130, thereby eliminating the need for using an air duct (the series passage 165) connecting the adjacent sub-air supply regions 130. On the premise that the air can be conveyed in the adjacent sub air supply areas without air pipes, the height of the ceiling can be effectively increased.
Finally, referring again to fig. 5, a sub-fan 120 may be further disposed in the serial channel 165 to enhance the ventilation effect, and as shown in fig. 6, the sub-fan 120 may be disposed on a portion of the partition wall 180. Preferably, the sub-fans 120 may be fans or fans, because the serial air supply chain (one in and one out) adopted in the present invention does not cause uncomfortable noise according to the actual operation display of the inventor. And preferably, the blower may be disposed entirely within the serial channel 165 (i.e., the partition wall 180) without being connected to a ceiling.
In fig. 6, the air conditioning system 100 includes two supply air link zones 150. Each supply chain region 150 includes five sub-supply gas regions 130. (i.e., n-5, m-2-4) the gas supply chain area 150 in the upper half is taken as an example, and the n sub-gas supply areas 130 include a first sub-gas supply area 130 (leftmost) and at least a second sub-gas supply area (the rest). The at least one air inlet 131 of the first sub air supply region 130 is communicated with the air inlet 151 (which is a part of the at least one serial channel 165) of the air supply chain region 150; continuing through the at least one series channel 165, the at least one air outlet 132 of the first sub-air supply region 130 is connected to the at least one air inlet 131 of a second sub-air supply region 130 (left 2) adjacent to the first sub-air supply region 130; and so on, and finally discharged to an exhaust pipe 170 at the at least one air outlet 132 of the rightmost sub-air supply region 130 and returned to the indoor ventilator. Thus, each of the at least one series channel 165 is sequentially connected to the at least one air outlet 132 and/or the at least one air inlet 131 of each of the n sub-air supply regions in the corresponding air supply chain region 150, thereby serially connecting each of the n sub-air supply regions 130 one by one to provide the required indoor air supply. In fig. 6, the exhaust pipes 170 connected to the two gas supply chain areas 150 located at the upper and lower halves can be selectively connected or respectively returned to the indoor ventilating device 195.
Preferably, a sub air-conditioning unit 125 may also be provided in each sub air-supply area 130. The sub-air conditioning units 125, i.e. the common cold air, mainly provide the function of changing the temperature, and each sub-air conditioning unit 125 is independent in the preferred embodiment, but may be a one-to-many cold air, and not limited thereto. Preferably, the sub air-conditioning unit 125 does not have a ventilation function. Accordingly, the indoor ventilator 195 performs ventilation and the sub air conditioning unit 125 performs temperature adjustment to maintain the quality of indoor air to the maximum. However, the indoor ventilator 195 or the sub-fan 120 may also have a temperature adjusting function, and the present invention is not limited thereto.
In fig. 4, it can be seen that the indoor ventilator 195 is connected to the right sub-air area 130 through the balcony at the lower left corner, and in practice, since the balcony is connected to the toilet or kitchen, people are not sensitive to the height of the ceiling, so the present invention still maintains the use of the air duct in this area, because the air can be ventilated to the adjacent sub-air areas 130 by using the series air supply chain only after entering any indoor space (sub-air supply area 130).
If fig. 4 and fig. 1 are compared, it can be clearly understood that the air inlet duct 167 in fig. 4 has only a small section, and the length of the exhaust duct 170 (equivalent to the air outlet duct 169) is also very short, so that the saved air duct not only reduces the material cost, but also saves labor and reduces the ceiling height because the existing large amount of air duct arrangement is not needed.
In a preferred embodiment, the balcony, the kitchen and the toilet are assumed to be left and right, respectively. Generally, the air in the lavatory needs to be ventilated independently of the other indoor spaces, so that the partition walls 180 may not be used as the serial channel 165 in the lavatory area; i.e. the toilet section still uses the air duct, but as explained in the previous paragraph, one is less sensitive to the ceiling height of the toilet (or kitchen). Even so, still can obtain the effect that ceiling height rose, reduce tuber pipe setting in the ceiling in the remaining main living space.
In a preferred embodiment, at least one series of communication channels 165 is provided by a partition wall 180 and sub-air conditioning units 125. Since the temperature adjustment is performed by the sub air-conditioning unit 125 after the air enters each of the sub air-supply regions 130, the energy loss can be reduced (the air after temperature adjustment does not need to be transported over a long distance), and thus the temperature of all the sub air-supply regions 130 can be matched with the set value. Meanwhile, the sub air conditioning unit 125 can homogenize the air of the sub air supply area 130 at the same time by blowing out the tempered air. However, in a preferred case, each sub-air-supply area 130 of the air-supply chain area 150 is ideally sealed (air can be only delivered through the air inlet 131 and the air outlet 132, and the sub-air-conditioning unit 125 is not used for air exchange), and air naturally forms a flow direction (as shown by the arrow) because the pressure is higher closer to the inner air-exchange device 195 (as the first sub-air-supply area 130 on the right side of the balcony); however, in practice, each sub-air supply area is not completely enclosed, and therefore, the provision of the sub-fans 120 in the series connection 165 can effectively deliver air from one sub-air supply area 130 to another sub-air supply area 130.
Preferably, and because there is no need to consider the air volume attenuation caused by the length of the air duct and the air volume difference between the sub-air supply areas caused by the air ducts with different lengths, the indoor ventilator 195 can be installed outside the at least one air supply chain, such as in the above example, in an area communicating with the outside, such as a balcony, without affecting the ceiling height of the indoor space (sub-air supply area) at all. Taking fig. 4 as an example, the indoor ventilator 195 may be disposed even against the partition wall 180 between the veranda (lower row of left one) kitchen (lower row of left two) to save the air inlet duct 167; similarly, the indoor ventilation device 195 may be attached to the partition wall 180 between the balcony (left lower row) and the sub-air supply area above the balcony to save the air outlet pipe 169. That is, if it is a general industrial or commercial space (toilets, kitchens, etc. that require independent exhaust to avoid affecting the work space), air ducts may even be completely eliminated and air transfer between adjacent sub-air supply areas 130 may be performed completely by the partition walls 180. In addition, since each sub-air supply region 130 of the present invention is connected to the adjacent sub-air supply regions in a unidirectional serial manner, to a certain extent, when the air supply amount of the main blower 110 is large enough, even if only the serial connection channel 165 is disposed on the partition wall 180, air can be sequentially supplied to each sub-air supply region 130. (see FIG. 4. the air is delivered to each sub-air-supply area 130 in turn from the lower left balcony in a counterclockwise manner)
Fig. 7 illustrates a control method of an air conditioning system according to the present invention. Please refer to fig. 3-6 for the devices mentioned in the control method, which are not described again. Step S01, delivering an outdoor air 190 to at least one air supply chain area 150 by a main fan 110 of an indoor ventilator 195; then, in step S02, at least one inlet 131 and/or an outlet 132 of each of the n sub-air supply regions of the at least one air supply chain region 150 are sequentially connected through at least one serial connection channel 165, so as to serially connect each of the n sub-air supply regions 130 one by one, where n is an integer and n > 1; then, step S03, delivering the air to each of the n sub-supply air regions 130 of the at least one supply chain area 150 through the at least one series channel 165; next, step S04, communicating with an exhaust pipe 170 through the outlet 132 of the nth sub air supply region and returning the same to the indoor ventilator 195; next, in step S05, a sub-air conditioning unit 125 is disposed inside each of the n sub-air supply regions 130 for homogenizing the sub-air supply regions.
Wherein the at least one air inlet 131 of each of the sub-air supply regions 130 is connected to only one of the series-connected channels 165 of the at least one series-connected channel 165 and the at least one air outlet 132 of each of the sub-air supply regions 130 is connected to only one of the series-connected channels 165 of the at least one series-connected channel 165.
Generally, evaluating the operation of an air conditioning system takes the state where all doors are closed as a design criterion. For example, in FIG. 4, having all doors closed, it is possible to have air delivered to each space (sub-supply area 130) in sequence, substantially in the counterclockwise direction.
Compared with the prior art, the invention only needs to connect the plurality of sub air supply areas by one fan in a way of at least one serial channel to supply air in sequence, and reduces the use of most air pipes (the length of the air pipe only needs to connect the adjacent sub air supply areas) compared with the prior parallel air pipes (the air pipe of each sub air supply area needs to be connected to the indoor ventilation device); and then, the serial connection channel is further arranged in the partition wall of the adjacent sub air supply area, so that the air pipes required to be used by the adjacent sub air supply area are further removed greatly. Without requiring the use of a large number of ducts while reducing the height of the ceiling, as in prior air conditioning systems.
The foregoing is only a preferred embodiment of this invention and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the invention, and these improvements and modifications should also be construed as the protection scope of the present invention.
Claims (10)
1. An air conditioning system, comprising:
an indoor ventilator for receiving outdoor air, which comprises a main fan;
the air supply chain area comprises n sub air supply areas, and each sub air supply area comprises at least one air inlet and at least one air outlet; and
at least one serial channel, which is connected with the at least one air inlet and/or the at least one air outlet of the n sub air supply areas of each air supply chain area in sequence, so as to be connected with the n sub air supply areas in series one by one, wherein the at least one air inlet of each sub air supply area is only connected with one serial channel of the at least one serial channel, and the at least one air outlet of each sub air supply area is only connected with the other serial channel of the at least one serial channel;
wherein n is integer and n >1, n according to the preface sub air feed area that concatenates one by one includes that the 1 st sub air feed area's income gas port is via at least a string of UNICOM says and communicates the gas outlet of main blower, and the income gas port of the nth sub air feed area communicates the gas outlet of the n-1 st sub air feed area, the gas outlet of the nth sub air feed area communicates a blast pipe and loopback extremely indoor breather.
2. The air conditioning system as claimed in claim 1, wherein at least one of said at least one series of communication passages is a partition wall connecting any two of said sub-air supply areas.
3. The air conditioning system according to claim 1, wherein when n >2, the n sequentially connected sub air supply regions include the at least one air inlet of the m-th sub air supply region other than the 1 st sub air supply region and the n-th sub air supply region communicating with the at least one air outlet of the m-th sub air supply region, and the at least one air outlet of the m-th sub air supply region communicating with the at least one air inlet of the m + 1-th sub air supply region, where m is an integer and n > m > 1.
4. The system of claim 1, further comprising a sub-air conditioning unit disposed within each of said n sub-air supply zones.
5. The air conditioning system of claim 1, further comprising at least one sub-fan disposed in the at least one series of communication passages.
6. A control method of an air conditioning system, comprising:
delivering an outdoor air to at least one air supply chain area by a main fan of an indoor ventilation device;
at least one air inlet and/or one air outlet of each n sub air supply areas of the at least one air supply chain area are sequentially connected through at least one serial communication channel, and each n sub air supply areas are further connected in series one by one, wherein n is an integer and n is greater than 1;
sequentially delivering air to each of the n sub-air supply regions through the at least one series-connected channel; and
the air outlet of the nth sub air supply area is communicated with an exhaust pipe and returned to the indoor air exchange device;
wherein the at least one air inlet of each of the sub-air supply regions is connected only to one of the at least one series channel and the at least one air outlet of each of the sub-air supply regions is connected only to the other of the at least one series channel.
7. The control method of an air conditioning system as set forth in claim 6, further comprising:
and arranging a sub air-conditioning unit in each of the n sub air supply areas for homogenizing the air in the sub air supply areas.
8. The method as claimed in claim 6, wherein the indoor ventilator is disposed outside the at least one supply-air-link area.
9. The method as claimed in claim 6, wherein at least one of the at least one series of communication passages is a partition wall connecting any two of the sub-air supply areas.
10. The method as claimed in claim 6, further comprising at least one sub-fan disposed in the at least one communication passage.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011358810.6A CN114543159A (en) | 2020-11-27 | 2020-11-27 | Air conditioning system and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011358810.6A CN114543159A (en) | 2020-11-27 | 2020-11-27 | Air conditioning system and control method thereof |
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| JP2019215132A (en) * | 2018-06-13 | 2019-12-19 | 三菱重工サーマルシステムズ株式会社 | Pneumatic radiation air conditioning system |
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| CN101097081A (en) * | 2006-06-12 | 2008-01-02 | 李在千 | Integrated ventilation system for using heat exchanger |
| CN103850448A (en) * | 2012-12-06 | 2014-06-11 | 胡永生 | Method for realizing ventilation, air change, temperature and humidity adjustment and firefighting of building by using embedded chimney |
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