CN105115063A - Air-conditioning system - Google Patents
Air-conditioning system Download PDFInfo
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- CN105115063A CN105115063A CN201510662814.6A CN201510662814A CN105115063A CN 105115063 A CN105115063 A CN 105115063A CN 201510662814 A CN201510662814 A CN 201510662814A CN 105115063 A CN105115063 A CN 105115063A
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- connector
- refrigeration
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- air
- module
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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
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2221/00—Details or features not otherwise provided for
- F24F2221/54—Heating and cooling, simultaneously or alternatively
Abstract
The invention discloses an air-conditioning system which comprises an outdoor unit and an indoor unit, wherein the outdoor unit comprises a compressor, an outdoor heat exchanger and a concentrated distributor; the outdoor heat exchanger is communicated with the compressor through a four-way valve; the concentrated distributor is provided with a first connecting port communicated with the compressor through the four-way valve, a second connecting port communicated with the outdoor heat exchanger, a third connecting port capable of being communicated with the second connecting port, a fourth connecting port capable of being communicated with the first connecting port, a fifth connecting port capable of being communicated with the first connecting port and a sixth connecting port capable of being communicated with the second connecting port; the indoor unit comprises a refrigerating unit and a heating unit, an inlet of the refrigerating unit is communicated with the third connecting port, and an outlet of the refrigerating unit is communicated with the fourth connecting port; an inlet of the heating unit is communicated with the fifth connecting port, and an outlet of the heating unit is communicated with the sixth connecting port. When the air-conditioning system is switched between a refrigerating mode and a heating mode, operation of the air-conditioning system is not affected, and the air-conditioning system reaches the optimal operation state conveniently.
Description
Technical field
The present invention relates to air-conditioning technical field, more particularly, relate to a kind of air-conditioning system.
Background technology
At present, in domestic air-conditioning system, an indoor set is arranged in pairs or groups an indoor set, and an indoor set has an indoor heat exchanger, then refrigeration mode and heating mode run by same indoor heat exchanger.Particularly, when heating, gaseous coolant condensation heat release in indoor heat exchanger forms liquid refrigerants, indoor heat exchanger meeting heating; During refrigeration, liquid refrigerants absorbs heat to evaporate and forms gaseous coolant in indoor heat exchanger, and indoor heat exchanger can turn cold.Obviously, the refrigerant in indoor heat exchanger is different with the state in refrigeration mode at refrigeration mode, then, when air-conditioning system switches to heating mode by refrigeration mode, affect heating operation, is unfavorable for the optimal operational condition reaching heating mode; In like manner, when air-conditioning system switches to refrigeration mode by heating mode, affect refrigerating operaton, be unfavorable for the optimal operational condition reaching refrigeration mode.
In addition, this air-conditioning system only has an indoor set, then the installation site of indoor set is determined, causes air-conditioning identical with air-out position during heating mode at refrigeration mode, causes the poor-performing of air-conditioning system.
In sum, how providing a kind of air-conditioning system, when switching between refrigeration mode and heating mode to avoid air-conditioning system, affect the operation of air-conditioning system, be convenient to air-conditioning system and reach optimal operational condition, is current those skilled in the art's problem demanding prompt solution.
Summary of the invention
The object of this invention is to provide a kind of air-conditioning system, when switching between refrigeration mode and heating mode, avoid the operation affecting air-conditioning system, be convenient to air-conditioning system and reach optimal operational condition.
To achieve these goals, the invention provides following technical scheme:
A kind of air-conditioning system, comprising: off-premises station and off-premises station,
Described off-premises station comprises: compressor, by the outdoor heat exchanger that cross valve is connected with described compressor, centralized distribution device, wherein, described centralized distribution utensil has: the first connector, second connector, 3rd connector that can be communicated with described second connector, 4th connector that can be communicated with described first connector, 5th connector that can be communicated with described first connector, 6th connector that can be communicated with described second connector, described first connector is communicated with described compressor by described cross valve, described second connector is communicated with described outdoor heat exchanger,
Described indoor set comprises: refrigeration unit and heating machine set, and wherein, the import of described refrigeration unit is communicated with described 3rd connector, and the outlet of described refrigeration unit is communicated with described 4th connector; The import of described heating machine set is communicated with described 5th connector, and the outlet of described heating machine set is communicated with described 6th connector.
Preferably, described refrigeration unit comprises: the first refrigeration module be arranged in parallel and the second refrigeration module, the import of described first refrigeration module is all communicated with described 3rd connector with the import of described second refrigeration module, and the outlet of described first refrigeration module is all communicated with described 4th connector with the outlet of described second refrigeration module.
Preferably, flow into the flow direction of described refrigeration unit along refrigerant, described first refrigeration module is positioned at the upstream of described second refrigeration module; Described refrigeration unit also comprises: connect and the refrigeration control valve in parallel with described first refrigeration module with described second refrigeration module.
Preferably, the number of described first refrigeration module is one, and the number of described second refrigeration module is at least two, and any two described second refrigeration modules are arranged in parallel, and the number of described refrigeration control valve is identical with the number of described second refrigeration module.
Preferably, described refrigeration control valve is electromagnetic expanding valve or electromagnetism two-port valve.
Preferably, described heating machine set comprises: the first heating module be arranged in parallel and the second heating module, the import of described first heating module is all communicated with described 5th connector with the import of described second heating module, and the outlet of described first heating module is all communicated with described 6th connector with the outlet of described second heating module.
Preferably, flow into the flow direction of described heating machine set along refrigerant, described first heating module is positioned at the upstream of described second heating module; Described heating machine set also comprises: connect with described second heating module and in parallel with described first heating module heat control valve.
Preferably, the number of described first heating module is one, and the number of described second heating module is at least two, and any two described second heating modules are arranged in parallel, described in heat the number of control valve identical with the number of described second heating module.
Preferably, heating control valve described in is electromagnetic expanding valve or electromagnetism two-port valve.
Preferably, described indoor set has a casing, and described refrigeration unit and described heating machine set are all located in described casing.
Preferably, described casing has refrigeration air outlet and heats air outlet, and described refrigeration air outlet heats air outlet lower than described.
Preferably, described indoor set comprises: separate refrigeration extension set and heat extension set; Described refrigeration extension set comprises: refrigerating casing, is located at the described refrigeration unit in described refrigerating casing; The described extension set that heats comprises: heat casing, heats the described heating machine set in casing described in being located at.
Preferably, the shell of described centralized distribution device is closed and has the housing of sound insulation function.
Preferably, in described centralized distribution device, when described 3rd connector is communicated with described second connector and described 4th connector is communicated with described first connector, described 5th connector can be communicated with described second connector, and described 6th connector can be communicated with described first connector; When described 5th connector is communicated with described first connector and described 6th connector is communicated with described second connector, described 3rd connector can be communicated with described first connector, and described 4th connector can be communicated with described second connector.
The operation principle of air-conditioning system provided by the invention is: be communicated with the 3rd connector and the second connector, the 4th connector and the first connector, the import of refrigeration unit is communicated with outdoor heat exchanger, the outlet of refrigeration unit can be communicated with the air entry of compressor by cross valve, then refrigeration unit can be freezed; Be communicated with the 5th connector and the first connector, the 6th connector and the second connector, the import of heating machine set can be communicated with the exhaust outlet of compressor by cross valve, and the outlet of heating machine set is communicated with outdoor heat exchanger, then heating machine set can heat.
Air-conditioning system provided by the invention, by arranging refrigeration unit and heating machine set respectively, and the refrigerant in off-premises station can only distribute to refrigeration unit or heating machine set by centralized distribution device, heating machine set can be realized heat separately, indoor heat exchanger in heating machine set is born separately and is heated, refrigeration unit is freezed separately, indoor heat exchanger in refrigeration unit bears refrigeration separately, then refrigeration unit and heating machine set can not influence each other, avoid when air-conditioning system is switched to refrigeration mode by heating module and affect refrigerating operaton, be convenient to the optimal operational condition reaching refrigeration mode, avoid when air-conditioning system is switched to heating mode by refrigeration mode and affect heating operation, be convenient to the optimal operational condition reaching heating mode.Therefore, air-conditioning system provided by the invention, when switching between refrigeration mode and heating mode, avoids the operation affecting air-conditioning system, is convenient to air-conditioning system and reaches optimal operational condition.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
The refrigeration unit refrigeration block diagram of a kind of air-conditioning system that Fig. 1 provides for the embodiment of the present invention;
Fig. 2 heats block diagram for the heating machine set of a kind of air-conditioning system that the embodiment of the present invention provides;
The refrigeration unit of a kind of air-conditioning system that Fig. 3 provides for the embodiment of the present invention and heating machine set are freezed block diagram jointly;
The refrigeration unit of a kind of air-conditioning system that Fig. 4 provides for the embodiment of the present invention and heating machine set heat block diagram jointly;
The refrigeration unit refrigeration block diagram of the another kind of air-conditioning system that Fig. 5 provides for the embodiment of the present invention;
Fig. 6 heats block diagram for the heating machine set of the another kind of air-conditioning system that the embodiment of the present invention provides;
The refrigeration unit of the another kind of air-conditioning system that Fig. 7 provides for the embodiment of the present invention and heating machine set are freezed block diagram jointly;
The refrigeration unit of the another kind of air-conditioning system that Fig. 8 provides for the embodiment of the present invention and heating machine set heat block diagram jointly.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Please refer to accompanying drawing 1-8, the air-conditioning system that the embodiment of the present invention provides comprises: off-premises station and off-premises station, this off-premises station comprises: compressor, the outdoor heat exchanger, the centralized distribution device that are connected with described compressor by cross valve, this indoor set comprises: refrigeration unit and heating machine set.Be understandable that, refrigeration unit comprises: refrigeration indoor heat exchanger, refrigerating fan etc.; Heating machine set comprises: heat indoor heat exchanger, heating fan etc.
In above-mentioned air-conditioning system, centralized distribution utensil has: the first connector, the second connector, the 3rd connector that can be communicated with the second connector, the 4th connector that can be communicated with the first connector, the 5th connector that can be communicated with the first connector, the 6th connector that can be communicated with the second connector, first connector of centralized distribution device is communicated with compressor by cross valve, and the second connector of centralized distribution device is communicated with outdoor heat exchanger; The import of refrigeration unit is communicated with the 3rd connector, and the outlet of refrigeration unit is communicated with the 4th connector; The import of heating machine set is communicated with the 5th connector, and the outlet of heating machine set is communicated with the 6th connector.
Particularly, in Fig. 1-8,1. the first connector of centralized distribution device is represented, 2. the second connector of centralized distribution device is represented, 3. the 3rd connector of centralized distribution device is represented, 4. represent the 4th connector of centralized distribution device, 5. represent the 5th connector of centralized distribution device, 6. represent the 6th connector of centralized distribution device.In order to distinguish the second refrigeration module, be designated as the second refrigeration module 1, second refrigeration module 2, second refrigeration module respectively ..., the second refrigeration module n-1, the second refrigeration module n.In order to distinguish the second heating module, be designated as the second heating module 1, second heating module 2, second heating module respectively ..., the second heating module n-1, the second heating module n.Particularly, in Fig. 1-4, air-conditioning system has n the second refrigeration module, a n electric expansion valve and n the second heating module, and wherein, n is greater than 2.In order to distinguish electric expansion valve, electric expansion valve in refrigeration unit is designated as electric expansion valve 1, electric expansion valve 2, electric expansion valve respectively ..., electric expansion valve n-1, electric expansion valve n, the electric expansion valve in heating machine set is designated as electric expansion valve 1', electric expansion valve 2', electric expansion valve respectively ..., electric expansion valve n-1', electric expansion valve n'.In Fig. 5-8, air-conditioning system has n the second refrigeration module, a n electronics two-port valve and n the second heating module, and wherein, n is greater than 2.In order to distinguish electromagnetism two-port valve, electromagnetism two-port valve in refrigeration unit is designated as electromagnetism two-port valve 1, electromagnetism two-port valve 2, electromagnetism two-port valve respectively ..., electromagnetism two-port valve n-1, electromagnetism two-port valve n, the electromagnetism two-port valve in heating machine set is designated as electromagnetism two-port valve 1', electromagnetism two-port valve 2', electromagnetism two-port valve respectively ..., electromagnetism two-port valve n-1', electromagnetism two-port valve n'.
The operation principle of the air-conditioning system that the embodiment of the present invention provides is: be communicated with the 3rd connector and the second connector, the 4th connector and the first connector, the import of refrigeration unit is communicated with outdoor heat exchanger, the outlet of refrigeration unit can be communicated with the air entry of compressor by cross valve, then refrigeration unit can be freezed, as shown in Figure 1 and Figure 5; Be communicated with the 5th connector and the first connector, the 6th connector and the second connector, the import of heating machine set can be communicated with the exhaust outlet of compressor by cross valve, the outlet of heating machine set is communicated with outdoor heat exchanger, then heating machine set can heat, as shown in Figure 2 and Figure 6.
The air-conditioning system that the embodiment of the present invention provides, by arranging refrigeration unit and heating machine set respectively, and the refrigerant in off-premises station can only distribute to refrigeration unit or heating machine set by centralized distribution device, heating machine set can be realized heat separately, indoor heat exchanger in heating machine set is born separately and is heated, refrigeration unit is freezed separately, indoor heat exchanger in refrigeration unit bears refrigeration separately, then refrigeration unit and heating machine set can not influence each other, avoid when air-conditioning system is switched to refrigeration mode by heating module and affect refrigerating operaton, be convenient to the optimal operational condition reaching refrigeration mode, avoid when air-conditioning system is switched to heating mode by refrigeration mode and affect heating operation, be convenient to the optimal operational condition reaching heating mode.Therefore, the air-conditioning system that the embodiment of the present invention provides, when switching between refrigeration mode and heating mode, avoids the operation affecting air-conditioning system, is convenient to air-conditioning system and reaches optimal operational condition.
Meanwhile, in the air-conditioning system that the embodiment of the present invention provides, the pipeline and valve that distribute refrigerant are integrated in centralized distribution device, decrease air-conditioner system element, save space; The standardized designs of centralized distribution device, makes off-premises station assemble simple and convenient; By the break-make of the tube connector of distributor in operational mode domination set, control logic is simplified, realize the switching of different operational mode, easy to assembly simultaneously, control logic simplifies.
In above-mentioned air-conditioning system, centralized distribution utensil has various structures, as long as can realize above-mentioned connectivity structure.Particularly, centralized distribution device comprises: shell, and the first connector, the second connector, the 3rd connector, the 4th connector, the 5th connector and the 6th connector are all located on shell; Be positioned at shell, and be communicated with the first tube connector of the first connector and the 5th connector; Be positioned at shell, and be communicated with the second tube connector of the first connector and the 4th connector; Be positioned at shell, and be communicated with the 3rd tube connector of the second connector and the 3rd connector; Be positioned at shell, and be communicated with the 4th tube connector of the second connector and the 6th connector; Be serially connected with the first valve on the first tube connector; Be serially connected with the second valve on the second tube connector; Be serially connected with the 3rd valve on the 3rd tube connector; Be serially connected with the 4th valve on the 4th tube connector.Like this, by controlling the opening and closing of the first valve, the second valve, the 3rd valve, the 4th valve, the break-make of the first tube connector, the second tube connector, the 3rd tube connector and the 4th tube connector can be controlled, thus control refrigerant inflow refrigeration unit or heating machine set.Certainly, also can select to be communicated with the first connector, the 4th connector and the 5th connector by a three-way pipe, and threeway place of three-way pipe is serially connected with two-position three-way valve, thus realizes controlling; In like manner, another three-way pipe also can be selected to be communicated with the second connector, the 3rd connector and the 6th connector, and threeway place of three-way pipe is serially connected with two-position three-way valve, thus realizes controlling.The internal structure of the embodiment of the present invention to centralized distribution device does not limit.
Preferably, in above-mentioned air-conditioning system, refrigeration unit comprises: the first refrigeration module be arranged in parallel and the second refrigeration module, the import of the first refrigeration module is all communicated with the 3rd connector with the import of the second refrigeration module, and the outlet of the first refrigeration module is all communicated with the 4th connector with the outlet of the second refrigeration module.Like this, the first refrigeration module and the second refrigeration module all can freeze, and add the number of refrigeration module, effectively improve refrigeration.
For the ease of regulating refrigeration according to actual needs, prioritizing selection flows into the flow direction of refrigeration unit along refrigerant, and the first refrigeration module is positioned at the upstream of the second refrigeration module; Above-mentioned refrigeration unit also comprises: connect with the second refrigeration module and the refrigeration control valve in parallel with the first refrigeration module.Like this, control refrigerant by refrigeration control valve and whether flow into the second refrigeration module, thus whether control the second refrigeration module freezes, namely can realize refrigeration and regulate, effectively improve serviceability.Particularly, refrigerant flows into refrigeration unit from off-premises station, and refrigerant must flow into the first refrigeration module, and the first refrigeration module freezes, if refrigeration control valve is opened, then refrigerant flows into the first refrigeration module and the second refrigeration module; If refrigeration control valve cuts out, then refrigerant only flows into the first refrigeration module.
In actual application, the number of the first refrigeration module and the second refrigeration module can be set as required, machine end structure in namely introducing.End number is the sum of the first refrigeration module and the second refrigeration module.If indoor set is located at single room, can according to room-sized and user their location, carry out indoor load assessment, according to the cooling load determined, carry out the selection of the first refrigeration module, the second refrigeration module number, the first refrigeration module in room, the second refrigeration module number can not identical also can be identical; If indoor set is located at multiple room, then according to the load in each room, determine first refrigeration module in each room, the second refrigeration module number, all the other are with single room defining method.In a word, the number of reasonably combined first refrigeration module, the second refrigeration module, makes it have stronger room load adaptability.Such as, the first refrigeration module is one, and the second refrigeration module is two or more; Or the second refrigeration module is two, the second refrigeration module is two or more.In order to improve serviceability, the number of prioritizing selection first refrigeration module is one, and the number of the second refrigeration module is at least two, and any two refrigeration modules are arranged in parallel, and the number of refrigeration control valve is identical with the number of the second refrigeration module.Be understandable that, second refrigeration module coordinates a refrigeration control valve, like this, can select the number carrying out the second refrigeration module freezed according to room actual load and user's request.Particularly, can according to indoor environment temperature and design temperature, control the number of refrigeration control valve in opened condition, thus control the number that the second refrigeration module carries out freezing.
It should be noted that, the second refrigeration module is in parallel with the first refrigeration module, and any two the second refrigeration modules are arranged in parallel, then the sys node of two adjacent the second refrigeration modules is threeway node.The position that refrigeration control valve is arranged exists two kinds, a kind of both sides being the second refrigeration module and the refrigeration control being mated use and laying respectively at threeway node; Another kind be the second refrigeration module and the refrigeration control being mated use all between two threeway nodes, as shown in Figure 1.In order to reduce the coolant quantity having neither part nor lot in refrigeration, prioritizing selection the former.
In above-mentioned air-conditioning system, refrigeration control valve can be motor-driven valve, magnetic valve, electric expansion valve, conveniently controls, and prioritizing selection refrigeration control valve is magnetic valve, and particularly, refrigeration control valve is electric expansion valve or electromagnetism two-port valve.Certainly, refrigeration control valve also can be selected to be the valve of other types, and such as electric two-way valve etc., are not limited thereto.
According to the description of above-mentioned refrigeration unit, accordingly, also can limit above-mentioned heating machine set.In order to improve refrigeration, above-mentioned heating machine set comprises: the first heating module be arranged in parallel and the second heating module, the import of the first heating module is all communicated with the 5th connector with the import of the second heating module, and the outlet of the first heating module is all communicated with the 6th connector with the outlet of the second heating module.Like this, the first heating module and the second heating module all can heat, and add the number of heating module, effectively improve heating effect.
Preferably, in above-mentioned air-conditioning system, flow into the flow direction of heating machine set along refrigerant, the first heating module is positioned at the upstream of the second heating module; Above-mentioned heating machine set also comprises: connect with the second heating module and in parallel with the first heating module heat control valve.Like this, whether flow into the second heating module by heating control valve to control refrigerant, thus whether control the second heating module heating, namely can realize regulating heating effect, effectively improve serviceability.Particularly, refrigerant flows into heating machine set from off-premises station, and refrigerant must flow into the first heating module, and the first heating module heats, and opens if heat control valve, then refrigerant flows into the first heating module and the second heating module; If heat control valve to close, then refrigerant only flows into the first heating module.
In actual application, the number of the first heating module and the second heating module can be set as required, machine end structure in namely introducing.End number is the sum of the first heating module and the second heating module.If indoor set is located at single room, according to room-sized and user their location, indoor load assessment can be carried out, according to the heating load determined, carry out the selection of the first heating module, the second heating module number, the first heating module in room, the second heating module number can identical also can be different; If indoor set is located at multiple room, then according to the load in each room, determine first heating module in each room, the second heating module number, all the other are with single room defining method.In a word, the number of reasonably combined first heating module, the second heating module, makes it have stronger room load adaptability.Such as, the first heating module is one, and the second heating module is two or more; Or the second heating module is two, the second heating module is two or more.Conveniently use, the number of prioritizing selection first heating module is one, and the number of the second heating module is at least two, and any two the second heating modules are arranged in parallel, and the number heating control valve is identical with the number of the second heating module.Be understandable that, second heating module coordinates one to heat control valve, like this, can select the number carrying out the second heating module heated according to room actual load and user's request.Particularly, can according to indoor environment temperature and design temperature, control the number heating control valve in opened condition, thus control the number that the second heating module carries out heating.
It should be noted that, second heating module is in parallel with the first heating module, any two the second heating modules are arranged in parallel, the sys node of two then adjacent the second heating modules is threeway node, the position heating control valve setting exists two kinds, be the second heating module and be mated heating of use and control to lay respectively at the both sides of threeway node, another kind is the second heating module and is mated heating of use and controls all between two threeway nodes.In order to reduce the coolant quantity having neither part nor lot in and heat, prioritizing selection the former.
In above-mentioned air-conditioning system, heat control valve and can be motor-driven valve, magnetic valve, electric expansion valve.Conveniently control, it is magnetic valve that prioritizing selection heats control valve.Particularly, heating control valve is electric expansion valve or electromagnetism two-port valve.Certainly, also can select to heat the valve that control valve is other types, such as electric two-way valve etc., are not limited thereto.
Conveniently install, in above-mentioned air-conditioning system, indoor set has a casing, and refrigeration unit and heating machine set are all located in casing.Like this, the integrated assembly structure of whole indoor set, installs this casing, can complete the installation of whole indoor set.Above-mentioned indoor set can be installed on the wall, stand on indoor, to be arranged on ceiling first-class, and the embodiment of the present invention does not limit its installation site.
In order to realize heating the upper air-out of lower air-out refrigeration, to improve serviceability, prioritizing selection casing has refrigeration air outlet and heats air outlet, and refrigeration air outlet is higher than heating air outlet.By the own characteristic of air, known cold air is walked downwards, hot-air is upwards walked, when above-mentioned air-conditioning system refrigeration, cold wind is by the blowout of refrigeration air outlet, because refrigeration air outlet is higher than heating air outlet, being then convenient to the cold wind of air-conditioning system blowout and indoor air generation heat exchange, being convenient to reduce indoor temperature; When above-mentioned air-conditioning system heats, hot blast, by the blowout of refrigeration air outlet, because refrigeration air outlet is higher than heating air outlet, is then convenient to the hot blast of air-conditioning system blowout and indoor air generation heat exchange, be convenient to improve indoor temperature, thus effectively improve serviceability.Further, refrigeration air outlet is located at the top of casing, heats the bottom that air outlet is located at casing.Be understandable that, refrigeration unit is positioned at the top of heating machine set.
Preferably, in above-mentioned air-conditioning system, indoor set comprises: separate refrigeration extension set and heat extension set; Refrigeration extension set comprises: refrigerating casing, is located at the refrigeration unit in refrigerating casing; Heat extension set to comprise: heat casing, be located at the heating machine set heated in casing.Like this, can according to the position of required intensification and cooling, reasonable Arrangement heats the position of extension set, refrigeration extension set, and make to freeze extension set and the installation site that heats extension set have polytropy, improve Installation Flexibility, thus improve serviceability; Meanwhile, refrigeration air outlet can be realized with to heat air outlet different, the performance of air-conditioning can be improved.Particularly, can realize heating the upper multiple wind pushing form such as air-out, region air-supply of lower air-out refrigeration, reach energy saving in running and the maximized object of users'comfort.Such as, in order to realize heating the upper air-out of lower air-out refrigeration, refrigeration extension set is installed on the wall, heats extension set and is arranged on windowsill bottom/wall bottom/ground; Refrigeration extension set is installed on the ceiling, heats extension set and is arranged on windowsill bottom/wall bottom/ground; Refrigeration extension set hangs on the ceiling, heats extension set and is arranged on windowsill bottom/wall bottom/ground etc.For multiple refrigeration module or the heating module of parallel connection, zero distance can install or be installed separately according to physical activity district.
Conveniently connect, in above-mentioned air-conditioning system, prioritizing selection first connector and the second connector are positioned at the side of the shell of centralized distribution device, and the 3rd connector, the 4th connector, the 5th connector and the 6th connector are positioned at shell opposite side.
Further, in above-mentioned air-conditioning system, the shell of centralized distribution device is closed and has the housing of sound insulation function, and like this, abnormal sound during maskable valve event, reduces noise, improves serviceability.
In order to improve refrigerating speed and heat speed, in the centralized distribution device of above-mentioned air-conditioning system, when the 3rd connector is communicated with the second connector and the 4th connector is communicated with the first connector, the 5th connector can be communicated with the second connector, and the 6th connector can be communicated with the first connector; When the 5th connector is communicated with the first connector and the 6th connector is communicated with the second connector, the 3rd connector can be communicated with the first connector, and the 4th connector can be communicated with the second connector.
In above-mentioned air-conditioning system, when the 3rd connector is communicated with the second connector and the 4th connector is communicated with the first connector, then show that the import of refrigeration unit is communicated with the second connector, the outlet of refrigeration unit is communicated with the first connector, now ensure that outdoor heat exchanger is communicated with the exhaust outlet of compressor by cross valve, first connector is communicated with the air entry of compressor by cross valve, then refrigeration unit can be freezed; Again because the 5th connector can be communicated with the second connector and the 6th connector can be communicated with the first connector, then the import of heating machine set can be communicated with outdoor heat exchanger, the outlet of heating machine set can be communicated with the air entry of compressor by cross valve, then heating machine set also can be freezed, therefore, achieve refrigeration unit and heating machine set is freezed jointly, as shown in Figure 3 and Figure 7.In like manner, when the 5th connector is communicated with the first connector and the 6th connector is communicated with the second connector, ensure that the import of heating machine set is communicated with the exhaust outlet of compressor by cross valve by cross valve, the outlet of heating machine set is communicated with outdoor heat exchanger, then heating machine set can heat; Again because the 3rd connector can be communicated with the first connector and the 4th connector can be communicated with the second connector, then the import of refrigeration unit can be communicated with the exhaust outlet of compressor by cross valve, the outlet of refrigeration unit can be communicated with outdoor heat exchanger, then refrigeration unit can heat, therefore, achieve heating machine set and refrigeration unit heats jointly, as shown in Figure 4 and Figure 8.
In above-mentioned air-conditioning system, can either realize that heating machine set carries out separately heating, refrigeration unit is freezed separately, heating machine set can be realized again and refrigeration unit jointly heats, jointly freezes, then can effectively improve refrigeration and heating effect.
In above-mentioned air-conditioning system, can add the function such as defrosting function, constant-temperature dehumidifying function, wherein, defrosting function can be thermal storage defrosting, hot gas bypass defrosting, ultrasound wave defrosting etc.
To the above-mentioned explanation of the disclosed embodiments, those skilled in the art are realized or uses the present invention.To be apparent for a person skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (14)
1. an air-conditioning system, comprising: off-premises station and off-premises station, is characterized in that,
Described off-premises station comprises: compressor, by the outdoor heat exchanger that cross valve is connected with described compressor, centralized distribution device, wherein, described centralized distribution utensil has: the first connector, second connector, 3rd connector that can be communicated with described second connector, 4th connector that can be communicated with described first connector, 5th connector that can be communicated with described first connector, 6th connector that can be communicated with described second connector, described first connector is communicated with described compressor by described cross valve, described second connector is communicated with described outdoor heat exchanger,
Described indoor set comprises: refrigeration unit and heating machine set, and wherein, the import of described refrigeration unit is communicated with described 3rd connector, and the outlet of described refrigeration unit is communicated with described 4th connector; The import of described heating machine set is communicated with described 5th connector, and the outlet of described heating machine set is communicated with described 6th connector.
2. air-conditioning system according to claim 1, it is characterized in that, described refrigeration unit comprises: the first refrigeration module be arranged in parallel and the second refrigeration module, the import of described first refrigeration module is all communicated with described 3rd connector with the import of described second refrigeration module, and the outlet of described first refrigeration module is all communicated with described 4th connector with the outlet of described second refrigeration module.
3. air-conditioning system according to claim 2, is characterized in that, flows into the flow direction of described refrigeration unit along refrigerant, and described first refrigeration module is positioned at the upstream of described second refrigeration module; Described refrigeration unit also comprises: connect and the refrigeration control valve in parallel with described first refrigeration module with described second refrigeration module.
4. air-conditioning system according to claim 3, it is characterized in that, the number of described first refrigeration module is one, the number of described second refrigeration module is at least two, and any two described second refrigeration modules are arranged in parallel, the number of described refrigeration control valve is identical with the number of described second refrigeration module.
5. air-conditioning system according to claim 3, is characterized in that, described refrigeration control valve is electromagnetic expanding valve or electromagnetism two-port valve.
6. air-conditioning system according to claim 1, it is characterized in that, described heating machine set comprises: the first heating module be arranged in parallel and the second heating module, the import of described first heating module is all communicated with described 5th connector with the import of described second heating module, and the outlet of described first heating module is all communicated with described 6th connector with the outlet of described second heating module.
7. air-conditioning system according to claim 6, is characterized in that, flows into the flow direction of described heating machine set along refrigerant, and described first heating module is positioned at the upstream of described second heating module; Described heating machine set also comprises: connect with described second heating module and in parallel with described first heating module heat control valve.
8. air-conditioning system according to claim 7, it is characterized in that, the number of described first heating module is one, the number of described second heating module is at least two, and any two described second heating modules are arranged in parallel, described in heat the number of control valve identical with the number of described second heating module.
9. air-conditioning system according to claim 7, is characterized in that, described in heat control valve be electromagnetic expanding valve or electromagnetism two-port valve.
10. air-conditioning system according to claim 1, is characterized in that, described indoor set has a casing, and described refrigeration unit and described heating machine set are all located in described casing.
11. air-conditioning systems according to claim 10, is characterized in that, described casing has refrigeration air outlet and heats air outlet, and described refrigeration air outlet heats air outlet lower than described.
12. air-conditioning systems according to claim 1, is characterized in that, described indoor set comprises: separate refrigeration extension set and heat extension set; Described refrigeration extension set comprises: refrigerating casing, is located at the described refrigeration unit in described refrigerating casing; The described extension set that heats comprises: heat casing, heats the described heating machine set in casing described in being located at.
13. air-conditioning systems according to claim 1, is characterized in that, the shell of described centralized distribution device is closed and has the housing of sound insulation function.
14. according to the air-conditioning system in claim 1-13 described in any one, it is characterized in that, in described centralized distribution device, when described 3rd connector is communicated with described second connector and described 4th connector is communicated with described first connector, described 5th connector can be communicated with described second connector, and described 6th connector can be communicated with described first connector; When described 5th connector is communicated with described first connector and described 6th connector is communicated with described second connector, described 3rd connector can be communicated with described first connector, and described 4th connector can be communicated with described second connector.
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| CN201510662814.6A CN105115063A (en) | 2015-10-14 | 2015-10-14 | Air-conditioning system |
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| WO2022156238A1 (en) * | 2021-01-20 | 2022-07-28 | 广东美的暖通设备有限公司 | Rotary wheel humidity regulating device and air conditioning system having same, control method, and controller |
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Application publication date: 20151202 |