CN103998877B - Air conditioner - Google Patents
Air conditioner Download PDFInfo
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- CN103998877B CN103998877B CN201280061079.8A CN201280061079A CN103998877B CN 103998877 B CN103998877 B CN 103998877B CN 201280061079 A CN201280061079 A CN 201280061079A CN 103998877 B CN103998877 B CN 103998877B
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- heat
- flow path
- compressor
- cold
- producing medium
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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
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
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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
- F25B13/00—Compression machines, plants or systems, with reversible cycle
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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
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
- F25B47/02—Defrosting cycles
- F25B47/022—Defrosting cycles hot gas defrosting
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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
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/0017—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice
- F24F2005/0025—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice using heat exchange fluid storage tanks
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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
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/027—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means
- F25B2313/02741—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means using one four-way valve
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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
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/01—Heaters
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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
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/24—Storage receiver heat
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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
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2111—Temperatures of a heat storage receiver
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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
- F25B31/00—Compressor arrangements
- F25B31/006—Cooling of compressor or motor
Abstract
Air conditioner comprises: the kind of refrigeration cycle that is formed by connecting of the mode of order flowing through compressor (6), cross valve (8), indoor heat converter (16), expansion valve (12), outdoor heat converter (14), cross valve (8) with the cold-producing medium when warming operation successively; Heat storage tank (32), it is accommodated with the heat-storing material (36) of heat accumulating and produced by compressor (6) and makes the heat-storage heat exchanger (34) of cold-producing medium in internal flow and heat-storing material (36) heat exchange; 1st bypass flow path (38,40), bypass between indoor heat converter (34) with expansion valve (12) and between cross valve (8) and the suction inlet of compressor (6) is connected by it, and is configured with heat-storage heat exchanger (34) on the way; 2nd bypass flow path (28), bypass between expansion valve (12) with outdoor heat converter (34) and between the outlet of compressor (6) with cross valve (8) is connected by it; With the reactor of the heating when electric current flows through, be provided with in the 1st bypass flow path (40) and the heat extraction of reactor accumulated and is passed to the heater (61) of cold-producing medium.
Description
Technical field
The present invention relates to and carry out the air conditioner operated that defrosts.
Background technology
In prior art, when utilizing air conditioner of heat pump type to carry out warming operation, when outdoor heat converter frosting, being circulated to cooling cyclic switching cross valve from heating and carrying out defrosting running.In this Defrost mode, there is indoor fan and stop, but machine is released cold air gradually and loses the shortcoming of heating sense indoor.
So, propose around the compressor of machine disposed in the outdoor, be provided with the regenerative apparatus utilizing the heat produced by compressor, the used heat of the compressor utilizing regenerative apparatus to accumulate in warming operation carries out the technology (such as with reference to patent document 1) defrosted.
Prior art document
Patent document
Patent document 1: Japanese Unexamined Patent Publication 3-31666 publication
Summary of the invention
The technical problem solved is wanted in invention
But, in the air conditioner recorded in patent document 1, only utilize the heat extraction of compressor, so from the view point of the thermal source effectively utilized beyond compressor, also there is non-room for improvement.
Therefore, the object of the invention is to solve the problem, the thermal source beyond the compressor that effectively utilizes in air conditioner is provided, the comfortableness of user can be maintained and carry out the air conditioner of more energy-conservation warming operation.
For the technical scheme of technical solution problem
In order to solve above-mentioned existing technical problem, air conditioner of the present invention comprises: the kind of refrigeration cycle that is formed by connecting of mode flowing through compressor, cross valve, indoor heat converter, expansion valve, outdoor heat converter, cross valve with cold-producing medium during warming operation successively; Heat storage tank, it is accommodated with the heat-storing material of heat accumulating and produced by compressor and makes to carry out at the cold-producing medium of internal flow and heat-storing material the heat-storage heat exchanger of heat exchange; 1st bypass flow path, bypass between indoor heat converter with expansion valve and between cross valve and the suction inlet of compressor is connected by it, and is configured with heat-storage heat exchanger on the way; 2nd bypass flow path, its by between expansion valve with outdoor heat converter and the outlet of compressor be connected with bypass between cross valve; With the reactor of the heating when electric current flows through, be provided with in the 1st bypass flow path and the heat extraction of reactor accumulated and is passed to the heater of cold-producing medium, effectively utilize the heat extraction of not only compressor but also reactor thus, and defrosting running can be implemented, so the comfortableness of user can be maintained and carry out more energy-conservation warming operation.
Invention effect
Air conditioner of the present invention can maintain the comfortableness of user and carry out more energy-conservation warming operation.
Accompanying drawing explanation
These modes of the present invention and feature, become clear and definite according to the preferred embodiment relevant following record about accompanying drawing.
Fig. 1 is the schematic diagram of the air conditioner of embodiments of the present invention.
Detailed description of the invention
The air conditioner of the 1st aspect comprises: the kind of refrigeration cycle that is formed by connecting of mode flowing through compressor, cross valve, indoor heat converter, expansion valve, outdoor heat converter, above-mentioned cross valve with cold-producing medium during warming operation successively; Heat storage tank, it is accommodated with the heat-storing material of heat accumulating and produced by above-mentioned compressor and makes to carry out at the cold-producing medium of internal flow and above-mentioned heat-storing material the heat-storage heat exchanger of heat exchange; 1st bypass flow path, bypass between above-mentioned indoor heat converter with above-mentioned expansion valve and between above-mentioned cross valve and the suction inlet of above-mentioned compressor is connected by it, and is configured with above-mentioned heat-storage heat exchanger on the way; 2nd bypass flow path, bypass between above-mentioned expansion valve with above-mentioned outdoor heat converter and between the outlet of above-mentioned compressor with above-mentioned cross valve is connected by it; With the reactor of the heating when electric current flows through, be provided with in above-mentioned 1st bypass flow path and the heat extraction of above-mentioned reactor accumulated and is passed to the heater of cold-producing medium.Thereby, it is possible to not only utilize the waste heat utilization of compressor but also reactor to implement defrosting running, so can extend the time of the defrosting running in warming operation, effectively defrost running.That is, the comfortableness of user can be maintained and realize more energy-conservation running.
The air conditioner of the 2nd aspect, especially in the 1st, also comprise the heat storage tank temperature testing organization of the temperature detecting above-mentioned heat storage tank, the 3rd bypass flow path bypass between above-mentioned heat-storage heat exchanger and the suction inlet side of above-mentioned compressor be connected is provided with in above-mentioned 1st bypass flow path, the 3rd bypass flow path two-port valve of the stream of above-mentioned heater and opening and closing cold-producing medium is provided with in above-mentioned 3rd bypass flow path, when the temperature that above-mentioned heat storage tank temperature testing organization detects is lower than the temperature of regulation, opening above-mentioned 3rd bypass flow path two-port valve makes cold-producing medium flow through above-mentioned 3rd bypass flow path, thus, the heat extraction of reactor can be utilized in the suitable moment and implement defrosting running, so the running that more effectively defrosts can be implemented.
Below, with reference to accompanying drawing, embodiments of the present invention are described.Wherein, the present invention can't help present embodiment limit.
(embodiment)
Fig. 1 represents the structure of the air conditioner of the refrigerating circulatory device of present embodiment.Air conditioner shown in Fig. 1 is formed by with the interconnective off-premises station 2 of refrigerant piping and indoor set 4.
As shown in Figure 1, compressor 6, cross valve 8, filter (strainer) 10, expansion valve 12 and outdoor heat converter 14 is provided with in the inside of off-premises station 2, the inside of indoor set 4 is provided with indoor heat converter 16, and they are interconnected via refrigerant piping and form kind of refrigeration cycle.
State in detail further, compressor 6 is connected via the refrigerant piping 18 being provided with cross valve 8 with indoor heat converter 16.Indoor heat converter 16 is connected via the refrigerant piping 20 be provided with for preventing foreign matter from invading the filter 10 of expansion valve 12 with expansion valve 12.Expansion valve 12 is connected via refrigerant piping 22 with outdoor heat converter 14.Outdoor heat converter 14 is connected via refrigerant piping 24 with compressor 6.
Cross valve 8 is configured with in the way of refrigerant piping 24.The hydraulic accumulator (accumulator) 26 for separating of liquid phase refrigerant and vapor phase refrigerant is provided with in the cold-producing medium suction side of the compressor 6 of refrigerant piping 24.
In addition, compressor 6 is connected via refrigerant piping 28 with refrigerant piping 22.Refrigerant piping 28 is provided with the defrosting two-port valve (such as, magnetic valve) 30 for the stream of opening and closing cold-producing medium.
Further, around compressor 6, be provided with the heat storage tank 32 of storage heat-storing material 36 and heat-storage heat exchanger 34.Heat-storing material 36 (such as, ethylene glycol (ethyleneglycol) aqueous solution) is filled in heat storage tank 32, accumulates the heat produced by compressor 6.Heat-storage heat exchanger 34 makes to carry out heat exchange at the cold-producing medium of internal flow and heat-storing material 36, and the heat extraction of the compressor 6 accumulated by heat-storing material 36 is thus passed to cold-producing medium.Regenerative apparatus is formed by these heat storage tanks 32, heat-storage heat exchanger 34 and heat-storing material 36.
In addition, refrigerant piping 20 is connected via refrigerant piping 38 with heat-storage heat exchanger 34.Refrigerant piping 38 is provided with the accumulation of heat two-port valve (such as, magnetic valve) 42 for the stream of opening and closing cold-producing medium.Heat-storage heat exchanger 34 is connected via refrigerant piping 40 with refrigerant piping 24.
Except indoor heat converter 16, indoor Air Blast fan 16a and up and down blade (not shown) and left and right blade (not shown) is also provided with in the inside of indoor set 4.Indoor Air Blast fan 16a, makes the room air of the inside being inhaled into indoor set 4 with after the cold-producing medium of the internal flow of indoor heat converter 16 carries out heat exchange, is blown out to indoor.When heating, with the cold-producing medium heat exchange of high temperature and be blown out to indoor by the air after heating, on the other hand, when cooling, with the cold-producing medium heat exchange of low temperature and cooled after air be blown out to indoor.Upper and lower blade changes the direction of the air that machine 4 indoor blows out at above-below direction, and left and right blade changes the direction of the air that machine 4 indoor blows out at left and right directions.
In addition, outdoor heat converter 14 is provided with refrigerant inlet temperature when detecting warming operation respectively and the outdoor heat converter inlet temperature testing agency 44 of refrigerant exit temperature and outdoor heat converter outlet temperature testing agency 46.The indoor heat converter temperature testing organization 48 of the temperature of sensing chamber's inside heat exchanger 16 is provided with at indoor heat converter 16.The heat storage tank temperature testing organization 50 of the temperature detecting heat storage tank 32 is provided with at heat storage tank 32.The external air temperature testing agency 52 detecting external air temperature is provided with at off-premises station 2.
In addition, compressor 6, indoor Air Blast fan 16a, up and down blade, left and right blade, cross valve 8, expansion valve 12, defrosting two-port valve 30, accumulation of heat two-port valve 42, outdoor heat converter inlet temperature testing agency 44, outdoor heat converter outlet temperature testing agency 46, indoor heat converter temperature testing organization 48, heat storage tank temperature testing organization 50, external air temperature testing agency 52 etc. are electrically connected with controller (controller) 54 (such as, microcomputer (microcomputer)).Compressor 6, indoor Air Blast fan 16a, up and down blade, left and right blade, cross valve 8, the running of expansion valve 12, action control based on the control signal carrying out self-controller 54.The opening and closing of defrosting two-port valve 30 and accumulation of heat two-port valve 42 also controls based on the control signal carrying out self-controller 54.
Have in the refrigerating circulatory device of the present embodiment of said structure, mutual annexation and the function of each parts are described for situation during warming operation together with the flowing of cold-producing medium.
When warming operation, from the cold-producing medium that the outlet of compressor 6 is discharged, arrive indoor heat converter 16 by refrigerant piping 18 from cross valve 8.With room air heat exchange and condensed cold-producing medium in indoor heat converter 16, discharge chamber inside heat exchanger 16 is by refrigerant piping 20.By the cold-producing medium after refrigerant piping 20, arrive expansion valve 12 by filter 10.By the post-decompression cold-producing medium of expansion valve 12, arrive outdoor heat converter 14 by refrigerant piping 22.Cold-producing medium in outdoor heat converter 14 with outdoor air heat exchange and after evaporating, by refrigerant piping 24, cross valve 8 and hydraulic accumulator 26, returns the suction inlet of compressor 6.
In addition, from the refrigerant piping 28 of branch between the outlet side and cross valve 8 of the compressor 6 of refrigerant piping 18, conflux between the expansion valve 12 and outdoor heat converter 14 of refrigerant piping 22 via defrosting two-port valve 30.
Further, be accommodated with the heat storage tank 32 of heat-storing material 36 and heat-storage heat exchanger 34 in inside, be configured to contact with compressor 6 and surrounded, by the heat storage that produced by compressor 6 in heat-storing material 36.From the refrigerant piping 38 of refrigerant piping 20 branch between indoor heat converter 16 and filter 10, arrive the entrance of heat-storage heat exchanger 34 via accumulation of heat two-port valve 42.From the outlet refrigerant piping 40 out of heat-storage heat exchanger 34, conflux between the cross valve 8 and hydraulic accumulator 26 of refrigerant piping 24.
Then, the action do not carried out when defrosting the usual heating operated is described.During usual warming operation, defrosting two-port valve 30 and accumulation of heat two-port valve 42 are closed, thus in refrigerant piping 28,38,40 not flow system cryogen.As mentioned above, from the cold-producing medium that the outlet of compressor 6 is discharged, indoor heat converter 16 is arrived by refrigerant piping 18 from cross valve 8.The condensed cold-producing medium at indoor heat converter 16 and room air heat exchange, discharge chamber inside heat exchanger 16, arrives expansion valve 12 by refrigerant piping 20.Outdoor heat converter 14 is arrived by refrigerant piping 22 by the post-decompression cold-producing medium of expansion valve 12.Cold-producing medium at outdoor heat converter 14 and outdoor air heat exchange after evaporating, returns the suction inlet of compressor 6 from cross valve 8 by refrigerant piping 24.
In addition, the heat produced by compressor 6, is accumulated to the heat-storing material 36 of the inside being accommodated in heat storage tank 32 from the outer wall of compressor 6 via the outer wall of heat storage tank 32.
Then, the action carried out when carrying out the defrosting-warming operation of warming operation while defrosting operates is described.
In outdoor heat converter 14 frosting in above-mentioned usual warming operation, when the frost of frosting grows, the flowing resistance of outdoor heat converter 14 increases, and air quantity reduces, and the evaporating temperature of the cold-producing medium in outdoor heat converter 14 reduces.As shown in Figure 1, in the air conditioner of the refrigerating circulatory device as present embodiment, be provided with the outdoor heat converter inlet temperature testing agency 44 of the refrigerant inlet temperature of the outdoor heat converter 14 when detecting warming operation.Compared with during frost-free, the situation detecting evaporating temperature reduction by outdoor heat converter inlet temperature testing agency 44, exports the instruction shifted from usual warming operation to defrosting-warming operation from controller 54.
When shifting from usual warming operation to defrosting-warming operation, defrosting two-port valve 30 and accumulation of heat two-port valve 42 are opened.Thus, except the flowing of cold-producing medium during above-mentioned usual warming operation, from a part for the vapor phase refrigerant that the outlet of compressor 6 is discharged, by refrigerant piping 28 and defrosting two-port valve 30, conflux with the cold-producing medium by refrigerant piping 22.Cold-producing medium after confluxing heats outdoor heat converter 14, condensation and post liquefaction, by refrigerant piping 24, turns back to the suction inlet of compressor 6 via cross valve 8 and hydraulic accumulator 26.
Now, by between expansion valve 12 with outdoor heat converter 14 and in the refrigerant piping 28 that between the outlet of compressor 6 with cross valve 8, bypass (bypass) is connected, by the vapor phase refrigerant of carrying out defrosting for outdoor heat converter 14 is heated.Thus, also refrigerant piping 28 can be called defrosting bypass flow path 28 (the 2nd bypass flow path 28).In addition, also the defrosting two-port valve 30 being arranged on defrosting bypass flow path 28 can be called the 2nd bypass flow path two-port valve 30.
In addition, a part for the liquid phase refrigerant shunted between the indoor heat converter 16 and filter 10 of refrigerant piping 20, arrives heat-storage heat exchanger 34 via refrigerant piping 38 and accumulation of heat two-port valve 42.In heat-storage heat exchanger 34 from heat-storing material 36 absorb heat and evaporate, gasify after cold-producing medium, by refrigerant piping 40, conflux with the cold-producing medium by refrigerant piping 24, turn back to the suction inlet of compressor 6 from hydraulic accumulator 26.
In addition, by between indoor heat converter 16 with expansion valve 12 and in the refrigerant piping 38 that between cross valve 8 and the suction inlet of compressor 6, bypass is connected and refrigerant piping 40, the cold-producing medium that heat-storage heat exchanger 34 absorbs heat from heat-storing material 36 is flowed through.Thus, also these two refrigerant pipings 38,40 can be called accumulation of heat bypass flow path 38,40 (the 1st bypass flow path 38,40).In addition, also the accumulation of heat two-port valve 42 being arranged on accumulation of heat bypass flow path 38 can be called the 1st bypass flow path two-port valve 42.
Return in the cold-producing medium of hydraulic accumulator 26 liquid phase refrigerant comprising heat exchanger 14 outdoor and return, but the vapor phase refrigerant of this liquid phase refrigerant with the high temperature by heat-storage heat exchanger 34 is mixed, promote the evaporation of liquid phase refrigerant thus.Thus, liquid phase refrigerant does not return compressor 6 by hydraulic accumulator 26, can realize the raising of the reliability of compressor 6.
Become the temperature of outdoor heat converter 14 below freezing because of the attachment of frost when defrosting-heating beginning, heated by the vapor phase refrigerant that the outlet from compressor 6 is discharged, near zero degree, frost melts.At the end of the melting of frost, the temperature of outdoor heat converter 14 starts to rise again.When being detected that by outdoor heat converter outlet temperature testing agency 46 temperature of this outdoor heat converter 14 rises, being judged as that defrosting completes, exporting the instruction shifted to usual warming operation from defrosting-warming operation from controller 54.
In addition, the air conditioner of present embodiment comprises: the reactor (reactor, not shown) of the heating when electric current flows through; With in refrigerant piping 40, reactor heating bypass flow path 60 (the 3rd bypass flow path 60) that bypass between heat-storage heat exchanger 34 and the suction inlet side of compressor 6 is connected.Reactor heating bypass flow path 60 comprises: accumulate the heat of releasing from reactor and by its heat release to the heater 61 of cold-producing medium; With in order to make cold-producing medium flow through reactor heating bypass flow path 60 and opening and closing cold-producing medium stream reactor heating two-port valve 62.
When defrosting-warming operation, the temperature that detects of heat storage tank temperature testing organization 50 lower than the temperature of regulation, open reactor heating two-port valve 62, flow through cold-producing medium in reactor heating bypass flow path 60.By such control, the heat extraction of reactor can be passed to cold-producing medium, even if so the temperature of heat storage tank 32 reduces, defrosting also can be made to operate and continue to implement warming operation simultaneously.
As mentioned above, the air conditioner of present embodiment comprises: with when warming operation, and cold-producing medium flows through the kind of refrigeration cycle that connects of mode of compressor 6, cross valve 8, indoor heat converter 16, expansion valve 12, outdoor heat converter 14, cross valve 8 successively; Heat storage tank 32, it is accommodated with the heat-storing material 36 accumulating the heat produced by compressor 6 and the heat-storage heat exchanger 34 making cold-producing medium heat-storing material 36 heat exchange in internal flow; 1st bypass flow path 38,40, bypass between indoor heat converter 16 with expansion valve 12 and between cross valve 8 and the suction inlet of compressor 6 is connected by it, and, be configured with heat-storage heat exchanger 34 on the way; 2nd bypass flow path 28, bypass between expansion valve 12 with outdoor heat converter 14 and between the outlet of compressor 6 with cross valve 8 is connected by it; With the reactor of the heating when electric current flows through.In addition, the heat extraction the heater 61 being passed to cold-producing medium of accumulating reactor is provided with in the 1st bypass flow path 38,40.Thereby, it is possible to not only utilize compressor 6 but also utilize the heat extraction of reactor to implement defrosting running, so can extend the time of the defrosting running in warming operation, can effectively defrost running.That is, the comfortableness of user can be maintained and realize more energy-conservation running.
In addition, the air conditioner of present embodiment, also possesses the heat storage tank temperature testing organization 50 of the temperature detecting heat storage tank 32, in the 1st bypass flow path 38, the 3rd bypass flow path 60 bypass between heat-storage heat exchanger 34 and the suction inlet side of compressor 6 be connected is provided with in 40, the 3rd bypass flow path two-port valve 62 of the stream of heater 61 and opening and closing cold-producing medium is provided with in the 3rd bypass flow path 60, when the temperature that heat storage tank temperature testing organization 50 detects is lower than the temperature specified, open the 3rd bypass flow path two-port valve 62 and flow through cold-producing medium in the 3rd bypass flow path 60.Thereby, it is possible to utilize the heat extraction of reactor in the suitable moment and implement defrosting running, so the running that more effectively defrosts can be implemented.
In addition, by the arbitrary embodiment in appropriately combined above-mentioned various embodiment, the effect had separately can be played.
The present invention with reference to accompanying drawing and about preferred embodiment recording fully, but understands various distortion and correction for the skilled people of this technology.Those distortion and correction are no more than the scope of the present invention of the scope defined of claim, are just interpreted as comprising wherein.
The limited amount of stored heat in regenerative apparatus that can use air conditioner of the present invention effectively defrosts running, also can be used in other refrigerating circulatory device of the problem that there is frosting in the winter time etc.
Claims (1)
1. an air conditioner, is characterized in that, comprising:
The kind of refrigeration cycle that is formed by connecting of mode of compressor, cross valve, indoor heat converter, expansion valve, outdoor heat converter, described cross valve is flow through successively with cold-producing medium during warming operation;
Heat storage tank, it is accommodated with the heat-storing material of heat accumulating and produced by described compressor and makes to carry out at the cold-producing medium of internal flow and described heat-storing material the heat-storage heat exchanger of heat exchange;
1st bypass flow path, bypass between described indoor heat converter with described expansion valve and between described cross valve and the suction inlet of described compressor is connected by it, and is configured with described heat-storage heat exchanger on the way;
2nd bypass flow path, bypass between described expansion valve with described outdoor heat converter and between the outlet of described compressor with described cross valve is connected by it;
The reactor of the heating when electric current flows through; With
Detect the heat storage tank temperature testing organization of the temperature of described heat storage tank, wherein
Be provided with in described 1st bypass flow path and the heat extraction of described reactor accumulated and is passed to the heater of cold-producing medium,
The 3rd bypass flow path bypass between described heat-storage heat exchanger and the suction inlet side of described compressor be connected is provided with in described 1st bypass flow path,
The 3rd bypass flow path two-port valve of the stream of described heater and opening and closing cold-producing medium is provided with in described 3rd bypass flow path,
When the temperature that described heat storage tank temperature testing organization detects is lower than the temperature of regulation, opens described 3rd bypass flow path two-port valve and make cold-producing medium flow through described 3rd bypass flow path.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011-270949 | 2011-12-12 | ||
| JP2011270949A JP5445570B2 (en) | 2011-12-12 | 2011-12-12 | Air conditioner |
| PCT/JP2012/007833 WO2013088684A1 (en) | 2011-12-12 | 2012-12-06 | Air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103998877A CN103998877A (en) | 2014-08-20 |
| CN103998877B true CN103998877B (en) | 2015-12-09 |
Family
ID=48612161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280061079.8A Active CN103998877B (en) | 2011-12-12 | 2012-12-06 | Air conditioner |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5445570B2 (en) |
| CN (1) | CN103998877B (en) |
| WO (1) | WO2013088684A1 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103591736A (en) * | 2013-11-17 | 2014-02-19 | 王正鹏 | Defrosting, condensing and evaporating three-in-one heat pump working condition system |
| CN104214857A (en) * | 2014-07-21 | 2014-12-17 | 王天祥 | Serialized direct evaporation type ice-water cold accumulation double-cold-source air conditioning system |
| CN105928062B (en) * | 2016-04-29 | 2018-10-23 | 珠海格力电器股份有限公司 | The control method of air conditioner indoor unit, air-conditioner set and air-conditioner set |
| CN106765983A (en) * | 2017-01-10 | 2017-05-31 | 美的集团武汉制冷设备有限公司 | Defrosting control method, defrosting control system and air-conditioner |
| CN110243101A (en) * | 2019-06-28 | 2019-09-17 | 中原工学院 | A kind of accumulating type high-efficiency air cooling heat pump unit |
| US11959690B2 (en) * | 2021-12-17 | 2024-04-16 | Trane International Inc. | Thermal storage device for climate control system |
| CN114812024B (en) * | 2022-05-06 | 2023-11-07 | 青岛海信日立空调系统有限公司 | Air conditioner and defrosting method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1757995A (en) * | 2004-10-08 | 2006-04-12 | 松下电器产业株式会社 | Air conditioner |
| CN101055129A (en) * | 2006-05-22 | 2007-10-17 | 姜兴周 | Heat pump type air conditioner water heater |
| CN202032800U (en) * | 2011-05-11 | 2011-11-09 | 吴忠南 | Air source heat pump water heater |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62210361A (en) * | 1986-03-12 | 1987-09-16 | 松下電器産業株式会社 | Refrigeration cycle for air conditioner |
| JPS63156981A (en) * | 1986-12-19 | 1988-06-30 | 松下電器産業株式会社 | Heat pump type air conditioner |
| JPH01306785A (en) * | 1988-06-03 | 1989-12-11 | Daikin Ind Ltd | Air-conditioner |
| JP5204189B2 (en) * | 2010-03-01 | 2013-06-05 | パナソニック株式会社 | Refrigeration cycle equipment |
-
2011
- 2011-12-12 JP JP2011270949A patent/JP5445570B2/en not_active Expired - Fee Related
-
2012
- 2012-12-06 CN CN201280061079.8A patent/CN103998877B/en active Active
- 2012-12-06 WO PCT/JP2012/007833 patent/WO2013088684A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1757995A (en) * | 2004-10-08 | 2006-04-12 | 松下电器产业株式会社 | Air conditioner |
| CN101055129A (en) * | 2006-05-22 | 2007-10-17 | 姜兴周 | Heat pump type air conditioner water heater |
| CN202032800U (en) * | 2011-05-11 | 2011-11-09 | 吴忠南 | Air source heat pump water heater |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2013122345A (en) | 2013-06-20 |
| JP5445570B2 (en) | 2014-03-19 |
| CN103998877A (en) | 2014-08-20 |
| WO2013088684A1 (en) | 2013-06-20 |
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