CN105674447A - Air conditioner and energy-saving control method thereof - Google Patents
Air conditioner and energy-saving control method thereof Download PDFInfo
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- CN105674447A CN105674447A CN201610048588.7A CN201610048588A CN105674447A CN 105674447 A CN105674447 A CN 105674447A CN 201610048588 A CN201610048588 A CN 201610048588A CN 105674447 A CN105674447 A CN 105674447A
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- valve
- heat
- conditioner
- switching valve
- refrigerant
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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
- F24F5/001—Compression cycle type
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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
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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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
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
-
- 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
- F24F13/30—Arrangement or mounting of heat-exchangers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- 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
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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
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
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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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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
Abstract
The invention provides an air conditioner and an energy-saving control method thereof. The air conditioner comprises a compressor, a four-way reversing valve, an indoor unit, an expansion valve, an outdoor unit, a heat storage tank and a heat exchange pipeline. The compressor, the four-way reversing valve, the indoor unit, the expansion valve, the outdoor unit and the heat storage tank are sequentially connected to a refrigerant pipeline. A refrigerant branch is arranged in the heat storage tank, and the two ends of the refrigerant branch stretch out of the heat storage tank and communicate with the positions, at the two ends of the outdoor unit, of the refrigerant pipeline. The two ends of the refrigerant branch are provided with a first valve and a second valve. The heat exchange pipeline penetrates the heat storage tank, and the two ends of the heat exchange pipeline are connected with a heat collector and a heat radiator. A first switching valve is arranged between one end of the heat collector and one corresponding end of the heat radiator, and a second switching valve is arranged between the other end of the heat collector and the other corresponding end of the heat radiator. According to the air conditioner, by means of the heat storage tank and the refrigerant branch, the heat exchange capacity of the air conditioner is improved, the workload of the compressor and the workload of the outdoor unit are reduced, the work efficiency of the air conditioner is improved, and meanwhile the energy consumption of the air conditioner is effectively reduced.
Description
Technical field
The present invention relates to air-conditioning technical field, specifically, it relates to the energy-saving control method of a kind of conditioner and this conditioner.
Background technology
Along with improving constantly of people's living standard, the demand of conditioner is also sharply increased by people accordingly. There is due to heat pump air conditioner the series of advantages such as heating power coefficient height so that it is the shopping becoming ordinary populace gradually is first-selected. But, in existing heat pump air conditioner product, many products be only suitable for winter system heat time carry out energy-conservation, still a large amount of electric energy can be consumed when cooling in summer, obvious energy-efficient performance advantage is not had compared with common air-conditioning device, thus greatly reduce user to the use satisfactory degree of product, it is unfavorable for its marketing.
Therefore, it is proposed to a kind of season in summer in winter two, all energy-conservation conditioner just seemed very necessary.
Summary of the invention
In order to solve the problems of the technologies described above one of at least, it is an object of the present invention to provide a kind of use reliable, and the conditioner of energy-conserving and environment-protective.
Another object of the present invention is to provide the energy-saving control method of a kind of conditioner, for controlling above-mentioned conditioner.
For achieving the above object, the embodiment of first aspect present invention provides a kind of conditioner, comprise the compressor on the refrigerant pipeline being connected to closed loop in turn, four-way change-over valve, indoor machine, expansion valve, outdoor machine, store up hot groove, it is provided with refrigerant branch road in the hot groove of described storage, the hot groove of described storage is stretched out at the two ends of described refrigerant branch road, the two ends of described refrigerant branch road respectively refrigerant pipeline with the two ends of described outdoor machine be connected, the two ends of described refrigerant branch road are respectively arranged with the first valve and the 2nd valve; Heat exchanging pipe, described heat exchanging pipe is through the hot groove of described storage, and the two ends of described heat exchanging pipe are connected with heat collector and scatterer side by side, are respectively arranged with the first switching valve and the 2nd switching valve between the two ends of described heat collector and the two ends of described scatterer.
The conditioner that the embodiment of first aspect present invention provides, there is the hot groove of storage, store up and refrigerant branch road is set in hot groove, refrigerant branch road is connected with the refrigerant pipeline of conditioner, make the part refrigerant in refrigerant pipeline carry out heat exchange by refrigerant branch road and the hot groove of storage, be conducive to the refrigerant pipeline of the outdoor section of conditioner to absorb heat in a heating mode and dispel the heat in cooling mode;The conditioner of the present invention also has heat exchanging pipe, heat exchanging pipe, through the hot groove of storage, heat exchanging pipe is connected with heat collector and scatterer, when air conditioner heat-production, storing up hot groove needs for the refrigerant in refrigerant branch road provides heat, and now heat collector can be the hot groove of storage and provides heat; When conditioner freezes, storing up hot groove needs for the refrigerant in refrigerant branch road reduces heat, and now scatterer can be the hot groove of storage and leaves heat; Store up hot groove and heat exchanging pipe improves the heat-exchange capacity of conditioner, reduce the work burden of compressor and outdoor machine, it is to increase the working efficiency of conditioner, effectively reduce conditioner to the consumption of electric energy simultaneously.
In addition, the conditioner in above-described embodiment provided by the invention can also have following additional technical feature:
In technique scheme, described conditioner also comprises Controlling System, described Controlling System comprises controller, described controller has multiple signal input terminus and multiple signal output terminal, and the signal output terminal of multiple described controller is electrically connected with described first valve, the 2nd valve, the first switching valve and the 2nd switching valve respectively; Temperature sensor, the signal output terminal of described temperature sensor is electrically connected with a signal input terminus of described controller, and the detecting end of described temperature sensor is stretched in the hot groove of described storage.
Conditioner according to the present invention, controller detects the temperature in the hot groove of storage in real time by temperature sensor, and under specific operating mode, controller can contrast according to the temperature detected and preset temp, by comparing result, the first valve, the 2nd valve, the first switching valve and the 2nd switching valve are controlled, make conditioner that the hot groove of storage can be utilized smoothly to carry out heat exchange, and then promote conditioner working efficiency and reduce power consumption.
Specifically, in a heating mode, when temperature sensor detects that the temperature in the hot groove of storage is on the low side, controller controls the first valve and the 2nd valve closes, the refrigerant pipeline of refrigerant branch road and conditioner is temporarily disconnected, simultaneously, controller controls the first switching valve and is connected with heat collector by heat exchanging pipe with the 2nd switching valve, heat collector transmits heat by heat exchanging pipe in the hot groove of storage, when the temperature that temperature sensor detects in the hot groove of storage meets or exceeds preset temp, controller controls the first valve and the 2nd valve open, refrigerant branch road is connected with the refrigerant pipeline of conditioner, part refrigerant enters refrigerant branch road and carries out heat exchange through the hot groove of storage, thus improve the temperature of refrigerant, heating mode is run under making the conditioner of the present invention be more applicable for low temperature environment. in cooling mode, when temperature sensor detects the temperature drift in the hot groove of storage, controller controls the first valve and the 2nd valve closes, the refrigerant pipeline of refrigerant branch road and conditioner is temporarily disconnected, simultaneously, controller controls the first switching valve and is connected with scatterer by heat exchanging pipe with the 2nd switching valve, the heat that scatterer is left stored up in hot groove by heat exchanging pipe, the temperature detected in the hot groove of storage when temperature sensor reaches or during lower than preset temp, controller controls the first valve and the 2nd valve open, refrigerant branch road is connected with the refrigerant pipeline of conditioner, part refrigerant enters refrigerant branch road and carries out heat exchange through the hot groove of storage, thus reduce the temperature of refrigerant, the conditioner of the present invention is made to be more applicable under hot environment running refrigerating.
In above-mentioned any technology scheme, described first switching valve and described 2nd switching valve are respectively three-way switch valve.
Conditioner according to the present invention, the first switching valve and the 2nd switching valve can select three-way switch valve, and three-way switch valve cost is lower, and can save the signal output terminal of controller.
In above-mentioned any technology scheme, described first switching valve comprises the first through way valve and the 2nd through way valve of the one end being connected to described heat collector and described scatterer; Described 2nd switching valve comprises the 3rd through way valve and the 4th through way valve of the other end being connected to described heat collector and described scatterer.
Conditioner according to the present invention, each switching valve comprises two through way valves, and through way valve structure is simple, and failure rate is low, can improve the reliability of product.
In above-mentioned any technology scheme, the hot groove of described storage is phase-change thermal storage groove, is filled with phase-change thermal storage bead in the hot groove of described storage, and described phase-change thermal storage bead contacts with the tube wall heat conduction of described heat exchanging pipe with the described refrigerant branch road stretched in the hot groove of described storage respectively.
Conditioner according to the present invention, phase-change thermal storage groove is in heat transfer process, phase change material in the phase-change thermal storage bead of its inside can occur liquid to solid-state change or solid-state to liquid change, when the phase change material in phase-change thermal storage bead undergoes phase transition, its heat absorption amount or heat dissipation capacity will increase greatly, high heat storage groove can be carried to the heat exchange efficiency of refrigerant pipeline, and then improve the performance of conditioner.
In above-mentioned any technology scheme, being filled with paraffin and metallic copper powder in described phase-change thermal storage bead, the housing of described phase-change thermal storage bead is metallic substance.
Conditioner according to the present invention, owing to the thermal storage performance of paraffin is different with the thermal storage performance of metallic copper powder, by the deal ratio of paraffin with metallic copper powder is regulated, just the transformation temperature of phase change material can be adjusted, make it can undergo phase transition at a suitable temperature and a large amount of neither endothermic nor exothermic, effectively improve the exchange capability of heat storing up hot groove, thus improve the quality of product.
In above-mentioned any technology scheme, described heat exchange branch road is also connected with recycle pump.
Conditioner according to the present invention, recycle pump can promote circulating of the heat-transfer working medium in heat exchanging pipe, improves heat-transfer working medium to the heat capacity of the hot groove of storage or heat-sinking capability with this.
In above-mentioned any technology scheme, described heat collector is solar energy collector.
Conditioner according to the present invention, by choosing solar energy collector collecting efficiency height, dependable performance, and does not expend the energy, makes product energy-saving and environmental protection more.
In above-mentioned any technology scheme, it is preferable that, described heat collector is flat template solar energy collector.
Conditioner according to the present invention, flat-plate solar heat collector technology maturation, dependable performance, saves space, is convenient to buying and maintenance, can effectively reduce the cost of product.
In above-mentioned any technology scheme, described scatterer is finned scatterer.
Conditioner according to the present invention, finned scatterer has compact construction, the feature that unit heat exchange area is big, this scheme selects finned heat exchanger under fully ensureing the reliable prerequisite of radiator heat-dissipation, the volume of scatterer can be effectively reduced, thus reduce product take space and production cost, corresponding improve its market competitiveness.
The embodiment of second aspect present invention provides a kind of energy-saving control method, for conditioner, comprises the following steps: step 002: controller judges the operating mode of conditioner; Step 004: controller judges the temperature stored up in hot groove whether higher or lower than the preset temperature value under the current operating mode of conditioner; Step 006: controller according to judged result with the opening and closing of control first valve and the 2nd valve, control refrigerant branch road with this to be connected with the refrigerant pipeline of conditioner or cut off, simultaneously, control the first switching valve and the connection state of the 2nd switching valve, control refrigerant branch road with this and be in collection Warm status or radiating state.
Energy-saving control method according to the present invention, judge that conditioner is in a heating mode at controller, when controller judges the temperature in the hot groove of storage lower than preset temperature value, controller controls the first valve and the 2nd valve closes, the refrigerant pipeline of refrigerant branch road and conditioner is temporarily disconnected, simultaneously, controller controls the first switching valve and is connected with heat collector by heat exchanging pipe with the 2nd switching valve, heat collector transmits heat by heat exchanging pipe in the hot groove of storage, when the temperature that controller detects in the hot groove of storage meets or exceeds preset temp, controller controls the first valve and the 2nd valve open, refrigerant branch road is connected with the refrigerant pipeline of conditioner, part refrigerant enters refrigerant branch road and carries out heat exchange through the hot groove of storage, thus improve the temperature of refrigerant, heating mode is run under making the conditioner of the present invention be more applicable for low temperature environment.Judge that conditioner is in cooling mode at controller, when controller judges the temperature in the hot groove of storage higher than preset temperature value, controller controls the first valve and the 2nd valve closes, the refrigerant pipeline of refrigerant branch road and conditioner is temporarily cut off, simultaneously, controller controls the first switching valve and is connected with scatterer by heat exchanging pipe with the 2nd switching valve, the heat that heat exchanging pipe is left stored up in hot groove by scatterer, the temperature detected in the hot groove of storage when controller reaches or during lower than preset temp, controller controls the first valve and the 2nd valve open, refrigerant branch road is connected with the refrigerant pipeline of conditioner, part refrigerant enters refrigerant branch road and carries out heat exchange through the hot groove of storage, thus reduce the temperature of refrigerant, the conditioner of the present invention is made to be more applicable under hot environment running refrigerating.
In addition, the energy-saving control method of the conditioner in above-described embodiment provided by the invention can also have following additional technical feature:
In technique scheme, when conditioner is in heating mode, when the temperature stored up in hot groove is lower than current preset temperature value, controller controls the first valve and the 2nd valve closes, and controller controls the first switching valve and with the 2nd switching valve, heat collector is connected with heat exchanging pipe simultaneously; When the temperature stored up in hot groove is higher than current preset temperature value, controller controls the first valve and the 2nd valve open, and controller controls the first switching valve and with the 2nd switching valve, scatterer is connected with heat exchanging pipe simultaneously.
Energy-saving control method according to the present invention, in a heating mode, when the temperature stored up in hot groove is lower than preset temperature value, controller controls the first valve and the 2nd valve closes, so that refrigerant only enters outdoor machine after expansion valve throttles absorbs the heat in external environment, the evaporation degree of refrigerant is ensured with this, simultaneously, controller controls the first switching valve and is connected with heat collector by heat exchanging pipe with the 2nd switching valve, so that heat collector transmits heat by heat exchanging pipe in the hot groove of storage, when the temperature stored up in hot groove is higher than preset temperature value, controller controls the first valve and the 2nd valve open, refrigerant branch road is connected with the refrigerant pipeline of conditioner, part refrigerant enters refrigerant branch road and carries out heat exchange through the hot groove of storage, thus improve the temperature of refrigerant.
In above-mentioned any technology scheme, when conditioner is in refrigeration mode, when the temperature stored up in hot groove is lower than current preset temperature value, controller controls the first valve and the 2nd valve open, and controller controls the first switching valve and with the 2nd switching valve, scatterer is connected with heat exchanging pipe simultaneously; When the temperature stored up in hot groove is higher than current preset temperature value, controller controls the first valve and the 2nd valve closes, and controller controls the first switching valve and with the 2nd switching valve, scatterer is connected with heat exchanging pipe simultaneously.
Energy-saving control method according to the present invention, in cooling mode, when the temperature stored up in hot groove is higher than preset temperature value, controller controls the first valve and the 2nd valve closes, so that the High Temperature High Pressure refrigerant discharged by compressor directly enters outdoor machine outwardly Environment release heat, ensure the degree of condensation of refrigerant with this, simultaneously, controller controls the first switching valve and is connected with scatterer by heat exchanging pipe with the 2nd switching valve, so that the heat that scatterer is left stored up in hot groove by heat exchanging pipe; When the temperature stored up in hot groove is lower than preset temperature value, controller controls the first valve and the 2nd valve open, so that refrigerant branch road is connected with the refrigerant pipeline of conditioner, part refrigerant enters refrigerant branch road and carries out heat exchange through the hot groove of storage, thus reduces the temperature of refrigerant.
The additional aspect of the present invention and advantage become obvious by description part below, or are recognized by the practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or the additional aspect of the present invention and advantage from accompanying drawing below combining to the description of embodiment becoming obviously and it should be readily understood that wherein:
Fig. 1 is the structural representation of conditioner described in one embodiment of the invention;
Fig. 2 is the energy-saving control method schematic diagram of conditioner described in one embodiment of the invention;
Fig. 3 is the idiographic flow schematic diagram of the energy-saving control method in Fig. 2.
Wherein, the Reference numeral in Fig. 1 and name of parts be referred to as between corresponding relation be:
1 compressor, 2 four-way change-over valves, 3 indoor machines, 4 expansion valves, 5 outdoor machines, 501 first trip valves, 502 the 2nd trip valves, the 6 hot grooves of storage, 601 first valves, 602 the 2nd valves, 7 heat exchanging pipes, 701 heat collectors, 702 scatterers, 703 recycle pumps, 704 first through way valves, 705 the 2nd through way valves, 706 the 3rd through way valves, 707 the 4th through way valves.
Embodiment
In order to more clearly understand above-mentioned purpose, the feature and advantage of the present invention, below in conjunction with the drawings and specific embodiments, the present invention is further described in detail. It should be noted that, when not conflicting, the feature in the embodiment of the application and embodiment can combine mutually.
Set forth a lot of detail in the following description so that fully understanding the present invention; but; the present invention can also adopt other to be different from other modes described here to implement, and therefore, protection scope of the present invention is by the restriction of following public specific embodiment.
As shown in Figure 1, the conditioner that the embodiment of first aspect present invention provides, comprises the compressor 1 on the refrigerant pipeline being connected to closed loop in turn, four-way change-over valve 2, indoor machine 3, expansion valve 4, outdoor machine 5, stores up hot groove 6 and heat exchanging pipe 7; Wherein, storing up in hot groove 6 and be provided with refrigerant branch road, the hot groove 6 of storage is stretched out at the two ends of refrigerant branch road, the two ends of refrigerant branch road respectively refrigerant pipeline with the two ends of outdoor machine 5 be connected, the two ends of refrigerant branch road are respectively arranged with the first valve 601 and the 2nd valve 602; Heat exchanging pipe 7 is through the hot groove 6 of storage, and the two ends of heat exchanging pipe 7 are connected with heat collector 701 and scatterer 702 side by side, are respectively arranged with the first switching valve and the 2nd switching valve between the two ends of heat collector 701 and the two ends of scatterer 702.
The conditioner that the embodiment of first aspect present invention provides, there is the hot groove 6 of storage, store up in hot groove 6 and refrigerant branch road is set, refrigerant branch road is connected with the refrigerant pipeline of conditioner, make the part refrigerant in refrigerant pipeline carry out heat exchange by refrigerant branch road and the hot groove 6 of storage, be conducive to the refrigerant pipeline of the outdoor section of conditioner to absorb heat in a heating mode and dispel the heat in cooling mode; The conditioner of the present invention also has heat exchanging pipe 7, heat exchanging pipe 7, through the hot groove 6 of storage, heat exchanging pipe 7 is connected with heat collector 701 and scatterer 702, when air conditioner heat-production, storing up hot groove 6 needs for the refrigerant in refrigerant branch road provides heat, and now heat collector 701 can be the hot groove 6 of storage and provides heat; When conditioner freezes, storing up hot groove 6 needs for the refrigerant in refrigerant branch road reduces heat, and now scatterer 702 can be the hot groove 6 of storage and leaves heat; Store up hot groove 6 and heat exchanging pipe 7 improves the heat-exchange capacity of conditioner, reduce the work burden of compressor 1 and outdoor machine 5, it is to increase the working efficiency of conditioner, effectively reduce conditioner to the consumption of electric energy simultaneously.
In one embodiment of the invention, conditioner also comprises Controlling System, Controlling System comprises controller, controller has multiple signal input terminus and multiple signal output terminal, and the signal output terminal of multiple controller is electrically connected with the first valve 601, the 2nd valve 602, first switching valve and the 2nd switching valve respectively;Temperature sensor, the signal output terminal of temperature sensor is electrically connected with a signal input terminus of controller, and the detecting end of temperature sensor is stretched in the hot groove 6 of storage.
In this embodiment, controller detects the temperature in the hot groove 6 of storage in real time by temperature sensor, and under specific operating mode, controller can contrast according to the temperature detected and preset temp, by comparing result, the first valve 601, the 2nd valve 602, first switching valve and the 2nd switching valve are controlled, make conditioner that the hot groove 6 of storage can be utilized smoothly to carry out heat exchange, and then promote conditioner working efficiency and reduce power consumption.
Specifically, in a heating mode, when temperature sensor detects that the temperature in the hot groove 6 of storage is on the low side, controller controls the first valve 601 and the 2nd valve 602 is closed, the refrigerant pipeline of refrigerant branch road and conditioner is temporarily disconnected, simultaneously, controller controls the first switching valve and is connected with heat collector 701 by heat exchanging pipe 7 with the 2nd switching valve, heat collector 701 transmits heat by heat exchanging pipe 7 in the hot groove 6 of storage, when the temperature that temperature sensor detects in the hot groove 6 of storage meets or exceeds preset temp, controller controls the first valve 601 and the 2nd valve 602 is opened, refrigerant branch road is connected with the refrigerant pipeline of conditioner, part refrigerant enters refrigerant branch road and carries out heat exchange through the hot groove 6 of storage, thus improve the temperature of refrigerant, heating mode is run under making the conditioner of the present invention be more applicable for low temperature environment. in cooling mode, when temperature sensor detects the temperature drift in the hot groove 6 of storage, controller controls the first valve 601 and the 2nd valve 602 is closed, the refrigerant pipeline of refrigerant branch road and conditioner is temporarily disconnected, simultaneously, controller controls the first switching valve and is connected with scatterer 702 by heat exchanging pipe 7 with the 2nd switching valve, the heat that scatterer 702 is left stored up in hot groove 6 by heat exchanging pipe 7, the temperature detected in the hot groove 6 of storage when temperature sensor reaches or during lower than preset temp, controller controls the first valve 601 and the 2nd valve 602 is opened, refrigerant branch road is connected with the refrigerant pipeline of conditioner, part refrigerant enters refrigerant branch road and carries out heat exchange through the hot groove 6 of storage, thus reduce the temperature of refrigerant, the conditioner of the present invention is made to be more applicable under hot environment running refrigerating.
In one embodiment of the invention, the first switching valve and the 2nd switching valve are respectively three-way switch valve.
In this embodiment, the first switching valve and the 2nd switching valve can select three-way switch valve, and three-way switch valve cost is lower, and can save the signal output terminal of controller.
In one embodiment of the invention, the first switching valve comprises the first through way valve 704 and the 2nd through way valve 705 of the one end being connected to heat collector 701 and scatterer 702; 2nd switching valve comprises the 3rd through way valve 705 and the 4th through way valve 707 of the other end being connected to heat collector 701 and scatterer 702.
In this embodiment, each switching valve comprises two through way valves, and through way valve structure is simple, and failure rate is low, can improve the reliability of product.
In one embodiment of the invention, it is preferable that, storing up hot groove 6 is phase-change thermal storage groove, stores up and is filled with phase-change thermal storage bead in hot groove 6, and phase-change thermal storage bead contacts with the tube wall heat conduction of heat exchanging pipe 7 with the refrigerant branch road stretched in the hot groove 6 of storage respectively.
In this embodiment, phase-change thermal storage groove is in heat transfer process, phase change material in the phase-change thermal storage bead of its inside can occur liquid to solid-state change or solid-state to liquid change, when the phase change material in phase-change thermal storage bead undergoes phase transition, its heat absorption amount or heat dissipation capacity will increase greatly, high heat storage groove 6 can be carried to the heat exchange efficiency of refrigerant pipeline, and then improve the performance of conditioner.
In one embodiment of the invention, it is preferable that, it being filled with paraffin and metallic copper powder in phase-change thermal storage bead, the housing of phase-change thermal storage bead is metallic substance.
In this embodiment, owing to the thermal storage performance of paraffin is different with the thermal storage performance of metallic copper powder, by the deal of paraffin and metallic copper powder is regulated, just the transformation temperature of phase change material can be controlled, in the present invention, paraffin and metallic copper powder are equipped with according to volume ratio 20:1, make it can undergo phase transition in selected preset temperature range and carry out a large amount of neither endothermic nor exothermic according to phase transformation, can effectively carry the exchange capability of heat of high heat storage groove 6, thus improve the quality of product.
In one embodiment of the invention, as shown in Figure 1, heat exchange branch road 7 is also connected with recycle pump 703.
In this embodiment, recycle pump 703 can promote circulating of the heat-transfer working medium in heat exchanging pipe 7, improves heat-transfer working medium to the heat capacity of the hot groove 6 of storage or heat-sinking capability with this.
In one embodiment of the invention, it is preferable that, heat collector 701 is solar energy collector.
In this embodiment, by choosing solar energy collector collecting efficiency height, dependable performance, and do not expend the energy, make product energy-saving and environmental protection more.
In one embodiment of the invention, it is preferable that, heat collector 701 is flat template solar energy collector.
In this embodiment, flat-plate solar heat collector technology maturation, dependable performance, saves space, is convenient to buying and maintenance, can effectively reduce the cost of product.
In one embodiment of the invention, it is preferable that, scatterer 702 is finned scatterer.
In this embodiment, finned scatterer has compact construction, the feature that unit heat exchange area is big, this scheme selects finned heat exchanger under fully guarantee scatterer 702 dispels the heat reliable prerequisite, the volume of scatterer 702 can be effectively reduced, thus reduce product take space and production cost, corresponding improve its market competitiveness.
The energy-saving control method of conditioner described according to some embodiments of the invention is described referring to Fig. 2 and Fig. 3.
As shown in Figure 2, the energy-saving control method that the embodiment of second aspect present invention provides, for conditioner, comprises the following steps: step 202: controller judges the operating mode of conditioner; Step 204: controller judges the temperature stored up in hot groove 6 whether higher or lower than the preset temperature value under the current operating mode of conditioner; Step 206: controller according to judged result with the opening and closing of control first valve 601 and the 2nd valve 602, so that this controls whether being connected of refrigerant branch road with the refrigerant pipeline of conditioner, simultaneously, control the first switching valve and the connection state of the 2nd switching valve, control refrigerant branch road with this and be in collection Warm status or radiating state.
Energy-saving control method according to the present invention, as shown in Figure 3, has following idiographic flow:
Step 301: controller judges the operating mode of conditioner;
Controller judges that conditioner is in heating mode, enters step 302, and whether the detection hot groove temperature of storage is higher than preset temp; If detected result is no, namely controller judges that the temperature in the hot groove 6 of storage is lower than preset temperature value, enter step 305, in step 305, controller controls the first valve 601 and the 2nd valve 602 is closed, and the refrigerant pipeline of refrigerant branch road and conditioner is temporarily disconnected, simultaneously, controller controls the first switching valve and is connected with heat collector 701 by heat exchanging pipe 7 with the 2nd switching valve, and heat collector 701 transmits heat by heat exchanging pipe 7 in the hot groove 6 of storage;If detection architecture is yes, namely the temperature that controller detects in the hot groove 6 of storage exceedes preset temp, enter step 304, in step 304, controller controls the first valve 601 and the 2nd valve 602 is opened, and refrigerant branch road is connected with the refrigerant pipeline of conditioner, like this, part refrigerant enters refrigerant branch road and carries out heat exchange through the hot groove 6 of storage, thus improves the temperature of refrigerant so that the conditioner of the present invention runs heating mode under being more applicable for low temperature environment.
Controller judges that conditioner is in refrigeration mode, enters step 303, and whether the detection hot groove temperature of storage is lower than preset temp; If detection architecture is no, namely controller judges that the temperature in the hot groove 6 of storage is higher than preset temperature value, enter step 307, in step 307, controller controls the first valve 601 and the 2nd valve 602 is closed, and the refrigerant pipeline of refrigerant branch road and conditioner is temporarily disconnected, simultaneously, controller controls the first switching valve and is connected with scatterer 702 by heat exchanging pipe 7 with the 2nd switching valve, the heat that scatterer 702 is left stored up in hot groove 6 by heat exchanging pipe 7; If detection architecture is yes, namely controller detects that the temperature in the hot groove 6 of storage is lower than preset temp, enter step 306, within step 306, controller controls the first valve 601 and the 2nd valve 602 is opened, and refrigerant branch road is connected with the refrigerant pipeline of conditioner, and part refrigerant enters refrigerant branch road and carries out heat exchange through the hot groove 6 of storage, thus reducing the temperature of refrigerant so that the conditioner of the present invention is more applicable under hot environment running refrigerating.
In one particular embodiment of the present invention, the heat-transfer working medium in heat exchanging pipe can be oil or water, it is preferable to water; Conditioner is when refrigeration mode, and the temperature in the hot groove of storage that controller is preset is 25 DEG C, and conditioner is when heating mode, and the temperature in the hot groove of storage that controller is preset is 40 DEG C;
As shown in Figure 1, conditioner is in a heating mode, controller controls the first valve 601, 2nd valve 602, first through way valve 704 and the 3rd through way valve 706 are opened, start recycle pump 703, the High Temperature High Pressure refrigerant flowed out from compressor 1 enters indoor machine 3 by four-way change-over valve 2, simultaneously, recycle pump 703 impels the water that the temperature in heat collector 701 is higher to enter in the hot groove 6 of storage, the water of comparatively high temps is release of heat in the hot groove 6 of storage, make heat storage in phase-change thermal storage bead, the refrigerant that machine 3 flows out indoor is divided into two branch roads after expansion valve 4 adiabatic throttling, part refrigerant enters, by a branch road, the heat that outdoor machine 5 absorbs in external environment, and part refrigerant enters the heat absorbing phase-change thermal storage bead in the hot groove 6 of storage and storing by another branch road, finally, compressor 1 is flowed back to through four-way change-over valve 2 after converging by the refrigerant flowed out in outdoor machine 5 and the hot groove 6 of storage, in this process, temperature in the temperature sensor detection hot groove 6 of storage, if judging, detected temperatures is lower than 40 DEG C, controller controls the first valve 601 and the 2nd valve 602 is closed, the heat that outdoor machine 5 absorbs in external environment is only entered by expansion valve 4 after refrigerant is flowed out, simultaneously, controller controls the first through way valve 704 and the 3rd through way valve 706 is opened, heat collector 701 is made to transmit heat by heat exchanging pipe 7 in the hot groove 6 of storage, when the temperature that temperature sensor detects in the hot groove 6 of storage meets or exceeds 40 DEG C, controller controls the first valve 601 and the 2nd valve 602 is opened, refrigerant branch road is connected with the refrigerant pipeline of conditioner, refrigerant also can be entered in the hot groove 6 of storage and carry out heat exchange, thus improve the temperature of refrigerant, heating mode is run under making the conditioner of the present invention be more applicable for low temperature environment, and this scheme is on the basis of conventional heat pump type conditioner, in conjunction with phase-change thermal storage and solar energy heating technology, convert solar energy into heat energy and it is stored in the hot groove 6 of storage, thus provide sufficient heat for air conditioner heat-production, to this reduce conditioner to the consumption requirements of electric energy, thus improve the energy-conservation of product, environmental-protecting performance.
Conditioner is in cooling mode, controller controls the first valve 601, 2nd valve 602, first through way valve 704 and the 3rd through way valve 706 are opened, expansion valve 4 is opened to suitable aperture, stop recycle pump 703, the High Temperature High Pressure refrigerant flowed out from compressor 1 is divided into two branch roads after four-way change-over valve 2, part refrigerant enters release of heat in the hot groove 6 of storage by a branch road, heat of condensation is made to be stored in phase-change thermal storage bead, and part refrigerant enters in outdoor machine 5 outwardly Environment release heat by another branch road, finally, after the refrigerant flowed out by outdoor machine 5 and the hot groove 6 of storage converges, through expansion valve 4 decrease temperature and pressure laggard enter indoor machine 3 carry out sweat cooling, in this process, temperature in the temperature sensor detection hot groove 6 of storage, if judging, detected temperatures is higher than 25 DEG C, controller controls the first valve 601 and the 2nd valve 602 is closed, so that the High Temperature High Pressure refrigerant discharged by compressor 1 directly enters outdoor machine 5 outwardly Environment release heat, simultaneously, controller control the 2nd through way valve 705 and the 4th through way valve 707 are opened, the heat that scatterer 702 is left stored up in hot groove 6 by heat exchanging pipe 7, the temperature detected in the hot groove 6 of storage when temperature sensor reaches or during lower than 25 DEG C, controller controls the first valve 601 and the 2nd valve 602 is opened, refrigerant branch road is connected with the refrigerant pipeline of conditioner, part refrigerant enters refrigerant branch road and carries out heat exchange through the hot groove 6 of storage, thus reduce the temperature of refrigerant, the conditioner of the present invention is made to be more applicable under hot environment running refrigerating.
What deserves to be explained is, when controlling the first valve 601 and the 2nd valve 602 opens, can according to the aperture size of temperature height appropriate regulation first trip valve 501 of the hot groove 6 of storage and the 2nd trip valve 502, with guarantee the carrying capacity of outdoor machine 5 with needing the refrigerant amount of heat exchange mate mutually, ensure refrigeration and the heating capacity of conditioner with this, effectively improve the use properties of product.
In the present invention, term " first ", " the 2nd ", " the 3rd " " 4th " only object for describing, and instruction or hint relative importance can not be interpreted as; The term such as term " installation ", " being connected ", " connection ", " fixing " all should be interpreted broadly, and such as, " connection " can be fixedly connected with, it is also possible to is removably connect, or connects integratedly; " being connected " can be directly be connected, it is also possible to be indirectly connected by intermediary. For the ordinary skill in the art, it is possible to understand above-mentioned term concrete implication in the present invention according to particular case.
In the description of this specification sheets, at least one embodiment that the description of term " embodiment ", " some embodiments ", " specific embodiment " etc. means to be contained in the present invention in conjunction with concrete feature, structure, material or feature that this embodiment or example describe or example. In this manual, the schematic representation of above-mentioned term is not necessarily referred to identical embodiment or example. And, the concrete feature of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations. Within the spirit and principles in the present invention all, any amendment of doing, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a conditioner, comprises compressor, four-way change-over valve, indoor machine, expansion valve and the outdoor machine being connected in turn on refrigerant pipeline, it is characterised in that, also comprise:
Store up hot groove, it is provided with refrigerant branch road in the hot groove of described storage, the hot groove of described storage is stretched out at the two ends of described refrigerant branch road, the two ends of described refrigerant branch road respectively refrigerant pipeline with the two ends of described outdoor machine be connected, the two ends of described refrigerant branch road are respectively arranged with the first valve and the 2nd valve;
Heat exchanging pipe, described heat exchanging pipe is through the hot groove of described storage, and the two ends of described heat exchanging pipe are connected with heat collector and scatterer side by side, are respectively arranged with the first switching valve and the 2nd switching valve between the two ends of described heat collector and the two ends of described scatterer.
2. conditioner according to claim 1, it is characterised in that, also comprise Controlling System, described Controlling System comprises:
Controller, described controller has multiple signal input terminus and multiple signal output terminal, and the signal output terminal of multiple described controller is electrically connected with described first valve, the 2nd valve, the first switching valve and the 2nd switching valve respectively;
Temperature sensor, the signal output terminal of described temperature sensor is electrically connected with a signal input terminus of described controller, and the detecting end of described temperature sensor is stretched in the hot groove of described storage.
3. conditioner according to claim 2, it is characterised in that, described first switching valve and described 2nd switching valve are respectively three-way switch valve.
4. conditioner according to claim 2, it is characterised in that, described first switching valve comprises the first through way valve and the 2nd through way valve of the one end being connected to described heat collector and described scatterer; Described 2nd switching valve comprises the 3rd through way valve and the 4th through way valve of the other end being connected to described heat collector and described scatterer.
5. conditioner according to any one of claim 1 to 4, it is characterized in that, the hot groove of described storage is phase-change thermal storage groove, being filled with phase-change thermal storage bead in the hot groove of described storage, described phase-change thermal storage bead contacts with the tube wall heat conduction of described heat exchanging pipe with the described refrigerant branch road stretched in the hot groove of described storage respectively.
6. conditioner according to claim 5, it is characterised in that, it is filled with paraffin and metallic copper powder in described phase-change thermal storage bead, the housing of described phase-change thermal storage bead is metallic substance.
7. conditioner according to any one of claim 1 to 4, it is characterised in that, described heat exchange branch road is also connected with recycle pump.
8. an energy-saving control method, for the conditioner according to any one of claim 2 to 7, it is characterised in that, comprise the following steps:
Step 002: controller judges the operating mode of conditioner;
Step 004: controller judges the temperature stored up in hot groove whether higher or lower than the preset temperature value under the current operating mode of conditioner;
Step 006: controller according to judged result with the opening and closing of control first valve and the 2nd valve, control refrigerant branch road with this to be connected with the refrigerant pipeline of conditioner or cut off, simultaneously, control the first switching valve and the connection state of the 2nd switching valve, control refrigerant branch road with this and be in collection Warm status or radiating state.
9. energy-saving control method according to claim 8, it is characterized in that, when conditioner is in heating mode, when the temperature stored up in hot groove is lower than current preset temperature value, controller controls the first valve and the 2nd valve closes, and simultaneously controller controls the first switching valve and with the 2nd switching valve, heat collector is connected with heat exchanging pipe; When the temperature stored up in hot groove is higher than current preset temperature value, controller controls the first valve and the 2nd valve open, and controller controls the first switching valve and with the 2nd switching valve, scatterer is connected with heat exchanging pipe simultaneously.
10. energy-saving control method according to claim 8, it is characterized in that, when conditioner is in refrigeration mode, when the temperature stored up in hot groove is lower than current preset temperature value, controller controls the first valve and the 2nd valve open, and simultaneously controller controls the first switching valve and with the 2nd switching valve, scatterer is connected with heat exchanging pipe;When the temperature stored up in hot groove is higher than current preset temperature value, controller controls the first valve and the 2nd valve closes, and controller controls the first switching valve and with the 2nd switching valve, scatterer is connected with heat exchanging pipe simultaneously.
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| CN110388837A (en) * | 2019-07-29 | 2019-10-29 | 珠海格力电器股份有限公司 | The control method of heat exchanger, outdoor machine of air-conditioner, air conditioner and heat exchanger |
| CN110530054A (en) * | 2019-09-06 | 2019-12-03 | 广东美的暖通设备有限公司 | Heat pump system and its control method, control device and storage medium |
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| CN105674447B (en) | 2018-12-28 |
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