CN1453516A - Solar energy heat pump air conditioning system and solar energy plus air source heat pump air conditioning system - Google Patents
Solar energy heat pump air conditioning system and solar energy plus air source heat pump air conditioning system Download PDFInfo
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- CN1453516A CN1453516A CN02117298A CN02117298A CN1453516A CN 1453516 A CN1453516 A CN 1453516A CN 02117298 A CN02117298 A CN 02117298A CN 02117298 A CN02117298 A CN 02117298A CN 1453516 A CN1453516 A CN 1453516A
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Abstract
The solar energy heat pump air conditioning system includes at least one solar energy heat exchanger and one heat pump set in its outdoor circulation passage. The solar energy plus air source heat pump air conditioning system has a solar energy plus air source outdoor circulation passage comprising outdoor heat exchanger, at least one solar energy heat exchanger and one heat pump set. The output of the outdoor heat exchanger may have branch to the heat pump set directly to constitute air source outdoor circulation passage, and the two circulation passages are switched under the control of control valve. The present invention can utilize solar energy to raise the temperature of low temperature heat source in heat supplying circulation. In refrigerating circulation, the heat released outdoor may be used in heat water, and this raises the energy utilization and economical efficiency of air conditioner.
Description
Technical field
The present invention relates to a kind of air-conditioning system that adopts heat pump, is a kind of solar heat pump air conditioner system and solar energy+air-source heat pump air conditioning system that utilizes solar energy specifically.
Background technology
Air-conditioning is the electrical equipment a kind of commonly used that is used to regulate the local space temperature in the daily life, and along with development of science and technology, air conditioner is used by people more and more widely.The temperature adjustment principle of air-conditioning mainly is to utilize contrary Carnot cycle, and working medium absorbs heat from low-temperature heat source, emit heat in high temperature heat source, by continuous heat absorption, heat release circulation, reaches the purpose of refrigeration or heating.In contrary Carnot cycle, the coefficient of heat supply of heat supply circulation and the coefficient of refrigerating performance of kind of refrigeration cycle are all irrelevant with the character of cycle fluid, the temperature that only depends on low-temperature heat source and high temperature heat source, and calculating according to the second law of thermodynamics, the temperature of the temperature of raising low-temperature heat source and reduction high temperature heat source all can reduce the loss of merit, improve coefficient of refrigerating performance or coefficient of heat supply, thereby improve the economy of kind of refrigeration cycle or heating circulation.Therefore, improving the temperature of low-temperature heat source or the temperature of reduction high temperature heat source is to improve the developing direction of air-conditioning economy.
Air-conditioning unit commonly used at present generally is made of compressor, condenser, expander and evaporimeter, in the heating circulation, condenser and indoor heat exchange cycle heat exchange, evaporimeter and outdoor heat exchange cycle heat exchange, cycle fluid and outdoor heat exchange cycle heat exchange in the unit, absorption heat and being vaporized, in condenser with indoor heat exchange cycle heat exchange, condensation becomes liquid state and to indoor medium heat release, by continuous circulation, reaches to indoor heating purpose.In this heating process, the low-temperature heat source of cycle fluid is outdoor air, and in the winter of cold, the temperature of outdoor air is lower, influences the heating economy of air-conditioning.For improving the temperature of low-temperature heat source, improve coefficient of heat supply, the someone utilizes geothermal energy resources, and the mode that adopts well-digging to recharge is carried out heat exchange with the underground water extraction as the cycle fluid in low-temperature heat source and the air-conditioning, and then is recharged beneath.Because underground water temperature in the winter time generally about 15 °, is higher than the outdoor temperature in winter, therefore, utilize phreaticly as low-temperature heat source, can effectively improve the economy of air conditioning and heating.In addition, also having a kind of mode of utilizing underground heat in recent years, is directly at underground buried tube, and as low-temperature heat source, cycle fluid absorbs the heat of containing in the underground soil circulation that heats with underground soil, also can effectively improve the economy of air conditioning and heating.But in the process that earth source heat pump is introduced to the market, because the restriction of geological conditions, lex loci rules, well-digging is recharged, the feasibility of underground buried tube is subjected to certain limitation, thereby limits the scope of application of this earth source heat pump.In addition, well-digging is recharged with the construction period of underground buried tube longer, cost cost height, and have certain risk, also limited being extensive use of of earth source heat pump.
In the kind of refrigeration cycle of air-conditioning, with heat exchanger in the machine of outdoor heat exchange cycle heat exchange be condenser, with heat exchanger in the machine of indoor heat exchange cycle heat exchange be evaporimeter, cycle fluid is vaporized in evaporimeter in the air-conditioning unit, and the heat by the medium (air) that is cooled in the indoor heat exchange circulation absorption chamber freezes, in condenser with the outdoor heat exchange cycle heat exchange, circulate to the outdoor air heat release by outdoor heat exchange, be liquid state and be condensed into, constantly circulate, reach the purpose of indoor refrigeration.In kind of refrigeration cycle each time, outdoor cycle fluid all will not only improve the temperature of outdoor low-temperature heat source, and waste certain heat energy to the certain heat of outdoor release, influences the refrigeration economy of air-conditioning.Therefore, be necessary to provide a kind of novel air conditioning system,, improve heating and refrigeration economy to overcome the deficiency of existing air-conditioning system.
Summary of the invention
The objective of the invention is to, a kind of solar heat pump air conditioner system is provided, avoid risk, the trouble of underground well-digging or pipe laying, utilize the temperature of low-temperature heat source in the solar energy raising heating circulation, improve the economy of air conditioning and heating.
The present invention also aims to, a kind of solar energy+air-source heat pump air conditioning system is provided, avoid risk, the trouble of underground well-digging or pipe laying, utilize the temperature of low-temperature heat source in the solar energy raising heating circulation, improve the economy of air conditioning and heating.
The present invention also aims to, a kind of solar energy+air-source heat pump air conditioning system is provided, in the heating circulation, utilize the temperature of low-temperature heat source in the solar energy raising heating circulation, improve the economy of air conditioning and heating; In kind of refrigeration cycle, with cycle fluid at outdoor liberated heat in order to adding hot water, improve rate of energy and air conditioner refrigerating economy.
Purpose of the present invention can adopt following technical scheme to realize, a kind of solar heat pump air conditioner system, at least comprise source pump, indoor heat exchange circulation and outdoor heat exchange circulation, the circulation of described outdoor heat exchange comprises at least and constitutes the outdoor peripheral passage of solar energy by this solar heat exchanger and source pump by a solar heat exchanger.
Described solar heat exchanger comprises a solar heat-exchange water tank and a solar thermal collector at least, by the heat transferred solar heat-exchange water tank of heat transferring medium with the solar thermal collector absorption.This solar heat-exchange water tank can be the double-layer heat insulation water tank, and internal layer is a storage tank, is provided with water inlet and delivery port, and skin is the cycle fluid circulation layer.Above-mentioned solar thermal collector can be flat-plate collector or vacuum tube collector.
Can be provided with the auxiliary electrical heating element heater in the above-mentioned solar heat-exchange water tank.Cycle fluid in the described outdoor peripheral passage can be anti-icing fluid.Can go here and there on the outdoor peripheral passage of described solar energy and be provided with circulating pump.
The present invention also provides a kind of solar energy+air-source heat pump air conditioning system, at least comprise source pump, indoor heat exchange circulation and outdoor heat exchange circulation, this outdoor heat exchange circulation includes outdoor heat exchanger at least, described outdoor heat exchanger is serially connected with a solar heat exchanger at least, constitutes solar energy+outdoor peripheral passage, air source by this solar heat exchanger, outdoor heat exchanger and source pump.
The present invention also provides another kind of solar energy+air-source heat pump air conditioning system, at least comprise source pump, indoor heat exchange circulation and outdoor heat exchange circulation, this outdoor heat exchange circulation comprises outdoor heat exchanger at least, outdoor heat exchanger is serially connected with a solar heat exchanger at least, constitutes solar energy+outdoor peripheral passage, air source by this solar heat exchanger, outdoor heat exchanger and source pump; In the output of described outdoor heat exchanger and be connected to the branch road of direct conducting in source pump, constitute outdoor peripheral passage, air source, by control valve control working medium in peripheral passage, above-mentioned air source and solar energy+peripheral passage, air source switched conductive.
Described control valve can be the magnetic valve of being located at respectively on outdoor peripheral passage, air source and the solar energy+peripheral passage, air source.
Described solar heat exchanger comprises a solar heat-exchange water tank and a solar thermal collector at least, by the heat transferred solar heat-exchange water tank of heat transferring medium with the solar thermal collector absorption.Above-mentioned solar heat-exchange water tank can be the double-layer heat insulation water tank, and internal layer is a storage tank, is provided with water inlet and delivery port, and skin is the cycle fluid circulation layer.Above-mentioned solar thermal collector can be flat-plate collector or vacuum tube collector.
Can be provided with the auxiliary electrical heating element heater in the described solar heat-exchange water tank.Described outdoor heat exchanger can be air heat exchanger, and it includes blower fan, heat exchange coil and heat exchange fin.
Can be covered with the black solar absorbing layer on described heat exchange coil and the heat exchange fin.
The surface of described heat exchange coil and heat exchange fin can be a black solar absorbing layer or through the spray acrylic acid pitch-dark black solar absorbing layer that is treated to through anodization.
On described air heat exchanger, can be provided with lighttight shutter or detachable sky shade, to stop the irradiation of sunlight in summer.This light tight shutter can be fixedly arranged on maybe can turn down and be connected on the described air heat exchanger.
Cycle fluid in the described outdoor heat exchange circulation can be anti-icing fluid.
Can go here and there in the described outdoor heat exchange circulation and be provided with circulating pump.
The course of work of solar heat pump air conditioner system and the effect thereof of providing of the present invention is: under the irradiation of the sun, solar thermal collector in the solar heat exchanger absorbs solar energy, water in the heating solar heat-exchanging water tank, water heat exchange in outer field cycle fluid of solar heat-exchange water tank and the heat-exchanging water tank, with the heat transferred source pump, to indoor heating.When cloudy day or night, when the temperature of the water in the solar heat-exchange water tank is not enough to provide the required heat of cycle fluid, but electrical heating elements controlled starting in the solar heat-exchange water tank, the water in the auxiliary heating solar heat-exchanging water tank guarantees normal heating circulation.
In above-mentioned heating circulation, because cycle fluid is the higher water heat exchange of temperature in direct and the solar heat-exchange water tank, thereby improve the temperature of low-temperature heat source in the heating circulation, reduce the power consumption in the circulation that heats, improve the economy of heating circulation.And in this heating circulation, mainly be to utilize solar energy to improve the temperature of low-temperature heat source in the heating circulation, without any extra power consumption, and avoided underground and packed or risk, the trouble of pipe laying.In addition, cross when low, also can utilize the auxiliary electrical heating element heater, improve the temperature of water, guarantee the round-the-clock heating demand of user when the temperature of water in the solar heat-exchange water tank.
Solar energy+air-source heat pump air conditioning system provided by the invention, its course of work and effect are: when A, outdoor temperature are higher than temperature 5 degree (setting value) after cycle fluid and the source pump heat exchange, the blower fan and the solar heat exchanger of outdoor air heat exchanger start simultaneously, cycle fluid simultaneously with outdoor air and solar heat-exchange water tank in water carry out heat exchange, absorb heat, circulation heats; When the temperature 3 after the temperature of outdoor air is not higher than cycle fluid and source pump heat exchange was spent (setting value), the blower fan of outdoor air heat exchanger cut out, and water carries out heat exchange in cycle fluid and the solar heat-exchange water tank, absorbs heat, and circulation heats;
B, be lower than 1 degree when (setting value), the auxiliary electrical heating starting that solar heat exchanger is interior when the water temperature in the solar heat-exchange water tank; When water in the solar heat-exchange water tank was higher than 10 degree (setting value), the auxiliary electrical heating was closed.
In above-mentioned heating circulates, because the water heat exchange that cycle fluid can be higher with temperature in the solar heat-exchange water tank, thereby the temperature of low-temperature heat source in the raising heating circulation, the power consumption during the minimizing heating circulates improves the economy that heating circulates.And in this heating circulation, mainly be to utilize solar energy to improve the temperature of low-temperature heat source in the heating circulation, without any extra power consumption, and avoided risk, the trouble of underground well-digging or pipe laying.In addition, cross when low, also can utilize the auxiliary electrical heating element heater, improve the temperature of water, guarantee the round-the-clock heating demand of user when the temperature of water in the solar heat-exchange water tank.
Solar energy+air-source heat pump air conditioning system that another kind provided by the invention provides, its course of work and effect are:
Summer cooling condition:
A, when the water temperature in the solar storage water tank is lower than 35 ℃ (setting value), close by control valve control outdoor air heat exchanger, cycle fluid is by the water heat exchange in solar heat-exchange water tank and the water tank, will be from the heat transferred water tank of indoor absorption water, carry out kind of refrigeration cycle.
B, be higher than 40 (setting values) when spending when the water temperature in the water tank, control valve control outdoor air heat exchanger is opened, and cycle fluid carries out kind of refrigeration cycle by air heat exchanger and outdoor air heat exchange.
In above-mentioned process of refrigerastion, when the water temperature in the solar water container is low, cycle fluid can be with water from the heat transferred solar heat-exchange water tank of indoor absorption, thereby the water in the heating water tank, like this, not only reach the dual purpose of indoor refrigeration and hot-water supply, and effectively utilized cycle fluid, improved the economy of rate of energy and air conditioner refrigerating from the indoor heat of taking out of.Particularly when the cloudy day did not have the sun or night, air-conditioning system of the present invention was freezed and is provided the effect of hot water more outstanding.
Winter heating's operating mode:
A, when outside air temperature is higher than 6 degree when (setting value), control valve is controlled the fan starting of outdoor air heat exchanger, the heat sink of cycle fluid is an outdoor air, by from outdoor absorption heat, circulation heats.
B, be lower than 5 degree when (setting value) when outdoor temperature, control valve control solar heat exchanger starts, when if outdoor temperature was higher than temperature 5 after cycle fluid and the source pump heat exchange and spent (setting value) this moment, the blower fan of outdoor air heat exchanger also starts simultaneously, cycle fluid simultaneously with outdoor air and solar heat-exchange water tank in water carry out heat exchange, absorb heat, circulation heats; When the temperature 3 after the temperature of outdoor air is not higher than cycle fluid and source pump heat exchange was spent (setting value), the blower fan of outdoor air heat exchanger cut out, and water carries out heat exchange in cycle fluid and the solar heat-exchange water tank, absorbs heat, and circulation heats;
C, be lower than 1 degree when (setting value), the auxiliary electrical heating starting that solar heat exchanger is interior when the water temperature in the solar heat-exchange water tank; When water in the solar heat-exchange water tank was higher than 10 degree (setting value), the auxiliary electrical heating was closed.
In above-mentioned heating circulation, when outdoor temperature is low, cycle fluid can be according to circumstances with the solar heat-exchange water tank in the higher water heat exchange of temperature, perhaps simultaneously with outdoor air and solar heat-exchange water tank in the water heat exchange, thereby improve the temperature of low-temperature heat source in the heating circulation, reduce the power consumption in the heating circulation, improve the economy of heating circulation.And in this heating circulation, utilization be the temperature that solar heat exchanger improves low-temperature heat source in the heating circulation, without any extra power consumption.
When above-mentioned heating of the present invention circulates, can absorb solar energy by solar thermal collector, the water in the heating solar heat-exchanging water tank makes it in indoor heating, hot water supply function, the further round-the-clock heating requirement of user.In addition, because the present invention can further be provided with the auxiliary electrical heating element heater in the solar heat-exchange water tank, there is not the water temperature in sunlight or the solar heat-exchange water tank low excessively when cloudy day or night, when amount of stored heat is not enough, can start this auxiliary electrical heating element heater, water in the heating solar heat-exchanging water tank, thus the temperature of low-temperature heat source in the raising heating circulation improves the economy that heating circulates.
Each controls the setting value of temperature in refrigeration and the heat supply in winter circulation in above-mentioned summer, can regulate according to different areas and user, with the user's that adapts to different environments for use and instructions for use demand.
Further, can be covered with the black solar absorbing layer on the heat exchange coil of outdoor heat exchanger of the present invention and the heat exchange fin, when system of the present invention heats in the winter time, solar light irradiation is on the black sunshine absorbed layer on this heat exchange coil and the heat exchange fin, to absorb solar energy and be converted into thermal energy transfer to ambient air and heat exchange coil cycle fluid, thereby improve the temperature of outdoor low temperature thermal source, the economy of system's heating circulation is provided.
Can be provided with lighttight shutter or detachable sky shade on the air heat exchanger of the present invention,, reduce the temperature of outdoor high temperature thermal source in the kind of refrigeration cycle in summer, improve the economy of kind of refrigeration cycle to stop the irradiation of sunlight in summer; When winter, can remove sky shade, allow solar light irradiation at heat exchange coil and heat exchange fin, absorb solar energy, improve the economy of heating circulation, thereby reach energy-conservation effect.Use the user of shutter can remove shutter,, can shine heat exchange coil and heat exchange fin under the shutter, improve the economy of heating circulation, thereby reach energy-conservation effect because the winter solar irradiating angle is lower.
Description of drawings
Fig. 1 embodiment of the invention 1 circulatory system schematic diagram;
A kind of embodiment schematic diagram of Fig. 2 embodiment of the invention 1;
Fig. 3 solar heat exchanger structural representation of the present invention;
Fig. 4 embodiment of the invention 2 circulatory system schematic diagrames;
Fig. 5 air heat exchanger structural representation of the present invention;
Fig. 6 embodiment of the invention 3 circulatory system schematic diagrames.
The specific embodiment
Embodiment 1
As shown in Figure 1, solar heat pump air conditioner system provided by the invention, at least comprise source pump 1, indoor heat exchange circulation and outdoor heat exchange circulation, described outdoor heat exchange circulation comprises a solar heat exchanger 2 at least, constitutes solar energy peripheral passage 3 by this solar heat exchanger 2 with source pump 1.In the winter time in the heating circulation, the cycle fluid of outdoor heat exchange circulation, can with the solar heat exchanger heat exchange, with the heat transferred source pump, and,, reach purpose to indoor heating with the indoor heat exchange circulation of heat transferred by circulation in the machine of source pump.
In the present embodiment, because solar heat exchanger 2 can obtain heat by absorbing solar energy, not only improved the temperature of low-temperature heat source in the heating circulation, and because solar energy is natural energy resources, need not increase extra power consumption, therefore, greatly improve the economy of heating.
As Fig. 2 in the present embodiment, can be serially connected with two or more solar heat exchangers 2 as required in the solar energy peripheral passage 3, to satisfy the needs that the different heating of user require.
As shown in Figure 3, described solar heat exchanger 2 comprises a solar heat-exchange water tank 21 and solar thermal collector 22 at least, by the heat transferred solar heat-exchange water tank 21 of heat transferring medium with solar thermal collector 22 absorptions, thus the water in the heating solar heat-exchanging water tank 21.
Further, as shown in Figure 3, in the present invention, described solar heat-exchange water tank 21 can be the double-layer heat insulation water tank, and internal layer is a storage tank 23, is provided with water inlet 24 and delivery port 25, and skin is a cycle fluid circulation layer 26.In the heating circulation, cycle fluid enters in the circulation layer 26 of solar heat-exchange water tank 21, with water heat exchange in the solar heat-exchange water tank 21.In use, can derive hot water by delivery port 25 and use, constantly mend cold water from water inlet 24 and solar heat-exchange water tank 21, be heated for the user.
As shown in Figure 3, above-mentioned solar thermal collector 22 can be flat-plate collector, when solar light irradiation is on its heat absorption flat board, absorbs heat, and by heat transferring medium with the water in the heat transferred solar heat-exchange water tank 21.This solar thermal collector 22 also can be other conventional solar thermal collector, as vacuum tube solar heating element etc.
Further, for guaranteeing the round-the-clock heating requirement of user, as shown in Figure 3, can be provided with auxiliary electrical heating element heater 27 in the described solar heat-exchange water tank 21.There is not the water temperature in the sun or the solar heat-exchange water tank 21 low excessively when cloudy day or night, when amount of stored heat is not enough, can start this auxiliary electrical heating element heater 27, the water in the heating solar heat-exchanging water tank 21, thereby improve the temperature of low-temperature heat source in the heating circulation, guarantee user's heating demand.
Frozen in the circulation for preventing that cycle fluid from heating in the winter time, influence the operate as normal of air-conditioning system, the cycle fluid in the outdoor peripheral passage 3 of solar energy can be anti-icing fluid.
Further, as shown in Figure 1,, can on the outdoor peripheral passage 3 of this solar energy, go here and there and be provided with circulating pump 7,, guarantee the heating circulation of air-conditioning system so that cycle fluid is carried out forced circulation for guaranteeing the circulation of cycle fluid in the outdoor peripheral passage 3 of solar energy.
The course of work of solar heat pump air conditioner system and the effect thereof of providing of the present invention is: under the irradiation of the sun, solar thermal collector 22 in the solar heat exchanger 2 absorbs solar energy, water in the heating solar heat-exchanging water tank 21, cycle fluid in solar heat-exchange water tank 21 circulation layers 26 and internal layer are the water heat exchange in the storage tank 23, with the heat transferred source pump, to indoor heating.When cloudy day or night, when the temperature of the water in the solar heat-exchange water tank 21 is not enough to provide the required heat of cycle fluid, but electrical heating elements 27 controlled startings in the solar heat-exchange water tank 21, the water in the auxiliary heating solar heat-exchanging water tank 21 guarantees normal heating circulation.
In above-mentioned heating circulation, because cycle fluid is the higher water heat exchange of temperature in direct and the solar heat-exchange water tank 21, thereby improve the temperature of low-temperature heat source in the heating circulation, reduce the power consumption in the circulation that heats, improve the economy of heating circulation.And in this heating circulation, mainly be to utilize solar energy to improve the temperature of low-temperature heat source in the heating circulation, without any extra power consumption, and avoided risk, the trouble of underground well-digging or pipe laying.In addition, cross when low, also can utilize auxiliary electrical heating element heater 27, improve the temperature of water, guaranteed the round-the-clock heating demand of user when the temperature of water in the solar heat-exchange water tank 21.
As shown in Figure 4, solar energy+air-source heat pump air conditioning system provided by the present invention, at least comprise source pump 1, indoor heat exchange circulation and outdoor heat exchange circulation, this outdoor heat exchange circulation includes outdoor heat exchanger 4 at least, this outdoor heat exchanger 4 is serially connected with a solar heat exchanger 2 at least, constitutes outdoor peripheral passage 5, solar energy+air source by this solar heat exchanger 2, outdoor heat exchanger 4 and source pump 1.
In the present embodiment, the cycle fluid of outdoor heat exchange circulation can be according to circumstances and solar heat exchanger 2 heat exchange, or simultaneously and outdoor heat exchanger 4 and solar heat exchanger 2 heat exchange, thereby by utilizing solar energy, improve the temperature of low-temperature heat source in the heating circulation, reduce the power consumption in the heating circulation, improve the economy of heating circulation.Because, in this heating circulation, utilization be the temperature that solar heat exchanger 2 improves low-temperature heat source in the heating circulation, without any extra power consumption, therefore greatly reduced the cost of air-conditioning heat supply in winter.
In the present embodiment, the solar heat exchanger 2 in the peripheral passage 5 can be according to the environment for use and the instructions for use of different user, for the use that is in series of one or more solar heat exchangers 2, to change the heat exchange environment of cycle fluid, adapts to requirements of different users.
In the present embodiment, the structure of solar heat exchanger 2 is identical with embodiment 1.As shown in Figure 3, solar heat exchanger 2 comprises a solar heat-exchange water tank 21 and solar thermal collector 22 at least, by the heat transferred solar heat-exchange water tank 21 of heat transferring medium with solar thermal collector 22 absorptions, thus the water in the heating solar heat-exchanging water tank 21.
Further, as shown in Figure 3, in the present invention, described solar heat-exchange water tank 21 can be the double-layer heat insulation water tank, and internal layer is a storage tank 23, is provided with water inlet 24 and delivery port 25, and skin is a cycle fluid circulation layer 26.Cycle fluid in the peripheral passage 5 enters in the circulation layer 26 of solar heat-exchange water tank 21, with water heat exchange in the solar heat-exchange water tank 21.In use, can derive hot water by delivery port 25 and use, constantly mend cold water from water inlet 24 and solar heat-exchange water tank 21, be heated for the user.
As shown in Figure 3, above-mentioned solar thermal collector 22 can be flat-plate collector, when solar light irradiation is on its heat absorption flat board, absorbs heat, and by heat transferring medium with the water in the heat transferred solar heat-exchange water tank 21.Solar thermal collector 22 in the present embodiment also can be vacuum tube collector or other conventional solar thermal collectors, because these non-invention main points of the present invention are not described in detail in this.
For guaranteeing the round-the-clock hot water supply of user requirement, as shown in Figure 3, can in solar heat-exchange water tank 21, be provided with auxiliary electrical heating element heater 27.There is not the water temperature in the sun or the solar heat-exchange water tank 21 low excessively when cloudy day or night, when amount of stored heat is not enough, can start this auxiliary electrical heating element heater 27, the water in the heating solar heat-exchanging water tank 21, thereby improve the temperature of low-temperature heat source in the heating circulation, guarantee user's heating demand.
Frozen in the circulation for preventing that cycle fluid from heating in the winter time, influence the operate as normal of air-conditioning system, the cycle fluid in the outdoor peripheral passage 5 can be anti-icing fluid.
Further, as shown in Figure 4, for guaranteeing the circulation of cycle fluid in outdoor peripheral passage 5, solar energy+air source, can on outdoor peripheral passage 5, this solar energy+air source, go here and there and be provided with circulating pump 7, so that cycle fluid is carried out forced circulation, guarantee the heating circulation of air-conditioning system.
Solar energy+air-source heat pump air conditioning system that present embodiment provides, its course of work and effect are: when A, outdoor temperature are higher than temperature 5 degree (setting value) after cycle fluid and source pump 1 heat exchange, outdoor air heat exchanger 4 and solar heat exchanger 2 start simultaneously, cycle fluid simultaneously with outdoor air and solar heat-exchange water tank 21 in water carry out heat exchange, absorb heat, circulation heats; When the temperature 3 after the temperature of outdoor air is not higher than cycle fluid and source pump 1 heat exchange was spent (setting value), outdoor air heat exchanger 4 was closed, and the water in cycle fluid and the solar heat-exchange water tank 21 carries out heat exchange, absorbs heat, and circulation heats;
B, be lower than 1 degree when (setting value) when the water temperature in the solar heat-exchange water tank 21, the auxiliary electrical heating starting that solar heat exchanger 2 is interior; When water in the solar heat-exchange water tank 21 was higher than 10 degree (setting value), the auxiliary electrical heating was closed.
In above-mentioned heating circulation, because the water heat exchange that cycle fluid can be higher with temperature in the solar heat-exchange water tank 21, thereby improved the temperature of low-temperature heat source in the heating circulation, reduce the power consumption in the heating circulation, improve the economy of heating circulation.And in this heating circulation, mainly be to utilize solar energy to improve the temperature of low-temperature heat source in the heating circulation, without any extra power consumption, and avoided risk, the trouble of underground well-digging or pipe laying.In addition, cross when low, also can utilize auxiliary electrical heating element heater 27, improve the temperature of water, guaranteed the round-the-clock heating demand of user when the temperature of water in the solar heat-exchange water tank 21.
Further, as shown in Figure 5, outdoor heat exchanger 4 of the present invention can be air heat exchanger, and its structure can be identical with outdoor heat exchanger among the embodiment 2.It includes blower fan 41, heat exchange coil 42 and heat exchange fin 43.Cycle fluid can circulate in heat exchange coil 42, and further carries out heat exchange by heat exchange fin 43 and blower fan 41 with outdoor air.As shown in Figure 5, can be covered with the black solar absorbing layer on heat exchange coil 42 of the present invention and the heat exchange fin 43.When shining upon on this black solar absorbing layer, this black solar absorbing layer absorbs solar energy and produces heat, by heat exchange coil 42 and heat exchange fin 43 with the heat transferred cycle fluid, thereby further improve the temperature of low-temperature heat source, improve the heating economy of air-conditioning system.
The surface of above-mentioned heat exchange coil 42 and heat exchange fin 43 can be a black solar absorbing layer or through the spray acrylic acid pitch-dark black solar absorbing layer that is treated to through anodization.
For preventing being radiated on the black solar absorbing layer on heat exchange coil 42 and the heat exchange fin 43 of sunlight in summer, influence the economy of kind of refrigeration cycle, can be provided with lighttight shutter 44 or detachable sky shade on the air heat exchanger 4 of the present invention, to reduce the temperature of outdoor high temperature thermal source in the kind of refrigeration cycle in summer.When winter, can remove sky shade, allow solar light irradiation on the black solar absorbing layer of heat exchange coil 42 and heat exchange fin 43, absorb solar energy, improve the economy of heating circulation, thereby reach energy-conservation effect.
In the present embodiment, described light tight shutter 44 can be fixedly arranged on the described air heat exchanger 4.When summer,, can block solar light irradiation at heat exchange coil 42 and heat exchange fin 43 because sun irradiation angle is higher; In winter, because the winter solar irradiating angle is lower, can shine heat exchange coil 42 and heat exchange fin 43 under the shutter 44, improve the economy of heating circulation, thereby reach energy-conservation effect.
Further, light tight shutter 44 also cocoa turnover is connected on the described air heat exchanger 4, and this can turn down connection and can realize by the hinge or the closing structure of routine.When summer, light tight shutter 44 is opened, and can block solar light irradiation at heat exchange coil 42 and heat exchange fin 43; In winter, light tight shutter 44 can be turned up, and guarantees that sunlight fully shines heat exchange coil 42 and the heat exchange fin 43 under the shutter 44, improves the economy of heating circulation, thereby reaches energy-conservation effect.
Further, freeze in the circulation for preventing that cycle fluid from heating in the winter time, influence the operate as normal of air-conditioning system, the cycle fluid during outdoor heat exchange circulates can be anti-icing fluid.
Embodiment 3
As shown in Figure 6, present embodiment provides solar energy+air-source heat pump air conditioning system, at least comprise source pump 1, indoor heat exchange circulation and outdoor heat exchange circulation, this outdoor heat exchange circulation comprises outdoor heat exchanger 4 at least, this outdoor heat exchanger 4 is serially connected with a solar heat exchanger 2 at least, constitutes outdoor peripheral passage 5, solar energy+air source by this solar heat exchanger 2, outdoor heat exchanger 4 and source pump 1; In the output of described outdoor heat exchanger 4 and be connected to the branch road 61 of direct conducting in source pump, constitute peripheral passage, air source 6, by control valve control working medium in peripheral passage, above-mentioned air source 6 and solar energy+peripheral passage, air source 5 switched conductive.
In the winter time in the heating circulation, when outdoor temperature is low, cycle fluid can be controlled heat exchange circulation in peripheral passage 5, according to circumstances with solar heat exchanger 2 heat exchange, or simultaneously and outdoor air heat exchanger 4 and solar heat exchanger 2 heat exchange, thereby by utilizing solar energy, improve the temperature of low-temperature heat source in the heating circulation, reduce the power consumption in the heating circulation, improve the economy of heating circulation.Because, in this heating circulation, utilization be the temperature that solar heat exchanger 2 improves low-temperature heat source in the heating circulation, without any extra power consumption, therefore greatly reduced the cost of air-conditioning heat supply in winter.
In the present invention, the solar heat exchanger 2 in the peripheral passage 5 can be according to the environment for use and the instructions for use of different user, for the use that is in series of one or more solar heat exchangers 2, to change the heat exchange environment of cycle fluid, adapts to requirements of different users.
In the present embodiment, described control valve can be magnetic valve V1, the V2 that is located at respectively on peripheral passage, air source 6 and the solar energy+peripheral passage, air source 5, and the control cycle fluid carries out the heat exchange circulation in solar energy+peripheral passage, air source 5 or peripheral passage, air source 6.
In the present embodiment, as shown in Figure 3, the basic structure of described solar heat exchanger 2 can be identical with embodiment 1 or embodiment 2, at least comprise a solar heat-exchange water tank 21 and solar thermal collector 22, by the heat transferred solar heat-exchange water tank 21 of heat transferring medium with solar thermal collector 22 absorptions, thus the water in the heating solar heat-exchanging water tank 21.
Further, as shown in Figure 3, in the present embodiment, described solar heat-exchange water tank 21 can be the double-layer heat insulation water tank, and internal layer is a storage tank 23, is provided with water inlet 24 and delivery port 25, and skin is a cycle fluid circulation layer 26.When the controlled unlatching of magnetic valve V2 in solar energy+peripheral passage, air source 5, cycle fluid will enter in the circulation layer 26 of solar heat-exchange water tank 21, with water heat exchange in the solar heat-exchange water tank 21.In use, can derive hot water by delivery port 25 and use, constantly mend cold water from water inlet 24 and solar heat-exchange water tank 21, be heated for the user.
As shown in Figure 3, above-mentioned solar thermal collector 22 can be flat-plate collector, when solar light irradiation is on its heat absorption flat board, absorbs heat, and by heat transferring medium with the water in the heat transferred solar heat-exchange water tank 21.Solar thermal collector 22 in the present embodiment also can be other conventional solar thermal collectors such as vacuum tube collector, because the invention main points of this non-present embodiment are not described in detail in this.
For guaranteeing the round-the-clock hot water supply of user requirement, as shown in Figure 3, can in solar heat-exchange water tank 21, be provided with auxiliary electrical heating element heater 27.There is not the water temperature in the sun or the solar heat-exchange water tank 21 low excessively when cloudy day or night, when amount of stored heat is not enough, can start this auxiliary electrical heating element heater 27, the water in the heating solar heat-exchanging water tank 21, thereby improve the temperature of low-temperature heat source in the heating circulation, guarantee user's heating demand.
Summer of the present invention, cooling condition was:
A, when the water temperature in the solar storage water tank 21 is lower than 35 ℃ (setting value), magnetic valve V1 on the peripheral passage, air source 6 closes, magnetic valve V2 on solar energy+peripheral passage, air source 5 opens, and outdoor heat exchanger 4 controlled closing, cycle fluid is by the outer circulation layer 26 of solar heat-exchange water tank 21 and the water heat exchange in the internal layer storage tank 23, will be in the machine of source pump 1 water the heat transferred storage tank 23 that absorbs of heat exchanger, thereby constantly carry out kind of refrigeration cycle by source pump 1.
B, be higher than 38 (setting values) when spending when the water temperature in the water tank, magnetic valve V1 on the peripheral passage, air source 6 opens, magnetic valve V2 on solar energy+peripheral passage, air source 5 closes, outdoor heat exchanger 4 controlled unlatchings, cycle fluid carries out kind of refrigeration cycle in peripheral passage, air source 6, cycle fluid carries out kind of refrigeration cycle by air heat exchanger 4 and outdoor air heat exchange.
In above-mentioned process of refrigerastion, when the water temperature in the solar heat-exchange water tank 21 is low, cycle fluid can be with the water from the heat transferred solar heat-exchange water tank 21 of indoor absorption, thereby the water in the heating storage tank 23, like this, not only reach the dual purpose of indoor refrigeration and hot-water supply, and the heat that has effectively utilized cycle fluid to take out of, improved the economy of rate of energy and air conditioner refrigerating from source pump 1.Particularly when the cloudy day did not have the sun or night, air-conditioning system of the present invention was freezed and is provided the effect of hot water more outstanding.
Winter heating of the present invention operating mode:
A, be higher than 6 degree when (setting value) when outside air temperature, magnetic valve V1 opens on the peripheral passage, air source 6, magnetic valve V2 on solar energy+peripheral passage, air source 5 closes, outdoor heat exchanger 4 controlled startings, the heat sink of cycle fluid is an outdoor air, by from outdoor absorption heat, circulation heats.
B, be lower than 5 degree when (setting value) when outdoor temperature, controlled the closing of magnetic valve V1 on the peripheral passage, air source 6, the controlled unlatching of magnetic valve V2 on solar energy+peripheral passage, air source 5, solar heat exchanger 2 starts, if when this moment, outdoor temperature was higher than temperature 5 degree (setting value) after cycle fluid and source pump 1 heat exchange, outdoor heat exchanger 2 is the while controlled starting also, water carries out heat exchange in cycle fluid while and outdoor air and the solar heat-exchange water tank 21, absorb heat, circulation heats; When the temperature 3 after the temperature of outdoor air is not higher than cycle fluid and source pump heat exchange was spent (setting value), outdoor heat exchanger 2 was closed, and water carries out heat exchange in cycle fluid and the solar heat-exchange water tank 21, absorbs heat, and circulation heats;
C, when the water temperature in the solar heat-exchange water tank 21 is lower than 1 degree when (setting value), auxiliary electrical heating element heaters 27 startups in the solar heat exchanger 2 are started working; When water in the solar heat-exchange water tank 21 was higher than 10 degree (setting value), the auxiliary electrical heating was closed.
In above-mentioned heating circulation, when outdoor temperature is low, cycle fluid can be according to circumstances with solar heat-exchange water tank 21 in the higher water heat exchange of temperature, or simultaneously with outdoor air and solar heat-exchange water tank 21 in the water heat exchange, thereby utilize solar energy to improve the temperature of low-temperature heat source in the heating circulation, reduce the power consumption in the heating circulation, improve the economy of heating circulation.And in this heating circulation, utilization be the temperature that solar heat exchanger 2 improves low-temperature heat source in the heating circulation, without any extra power consumption, therefore greatly reduced the use cost of air conditioning and heating.
When above-mentioned heating of the present invention circulates, can absorb solar energy by solar thermal collector 2, the water in the heating solar heat-exchanging water tank 21 makes it in indoor heating, and hot water supply function has further made things convenient for the user.
Each controls the setting value of temperature in refrigeration and the heat supply in winter circulation in above-mentioned summer, can regulate according to different areas and user, with the user's that adapts to different environments for use and instructions for use demand.
Further, as shown in Figure 5, outdoor heat exchanger 4 of the present invention can be air heat exchanger, and its structure can be identical with outdoor heat exchanger among the embodiment 2.It includes blower fan 41, heat exchange coil 42 and heat exchange fin 43.Cycle fluid can circulate in heat exchange coil 42, and further carries out heat exchange by heat exchange fin 43 and blower fan 41 with outdoor air.As shown in Figure 5, can be covered with the black solar absorbing layer on heat exchange coil 42 of the present invention and the heat exchange fin 43.When shining upon on this black solar absorbing layer, this black solar absorbing layer absorbs solar energy and produces heat, by heat exchange coil 42 and heat exchange fin 43 with the heat transferred cycle fluid, thereby further improve the temperature of low-temperature heat source, improve the heating economy of air-conditioning system.
The surface of above-mentioned heat exchange coil 42 and heat exchange fin 43 can be a black solar absorbing layer or through the spray acrylic acid pitch-dark black solar absorbing layer that is treated to through anodization.
For preventing being radiated on the black solar absorbing layer on heat exchange coil 42 and the heat exchange fin 43 of sunlight in summer, influence the economy of kind of refrigeration cycle, can be provided with lighttight shutter 44 or detachable sky shade on the air heat exchanger 4 of the present invention, to reduce the temperature of outdoor high temperature thermal source in the kind of refrigeration cycle in summer.When winter, can remove sky shade, allow solar light irradiation on the black solar absorbing layer of heat exchange coil 42 and heat exchange fin 43, absorb solar energy, improve the economy of heating circulation, thereby reach energy-conservation effect.
In the present embodiment, described light tight shutter 44 can be fixedly arranged on the described air heat exchanger 4.When summer,, can block solar light irradiation at heat exchange coil 42 and heat exchange fin 43 because sun irradiation angle is higher; In winter, because the winter solar irradiating angle is lower, can shine heat exchange coil 42 and heat exchange fin 43 under the shutter 44, improve the economy of heating circulation, thereby reach energy-conservation effect.
Further, light tight shutter 44 also cocoa turnover is connected on the described air heat exchanger 4, and this can turn down connection and can realize by the hinge or the closing structure of routine.When summer, light tight shutter 44 is opened, and can block solar light irradiation at heat exchange coil 42 and heat exchange fin 43; In winter, light tight shutter 44 can be turned up, and guarantees that sunlight fully shines heat exchange coil 42 and the heat exchange fin 43 under the shutter 44, improves the economy of heating circulation, thereby reaches energy-conservation effect.
Further, freeze in the circulation for preventing that cycle fluid from heating in the winter time, influence the operate as normal of air-conditioning system, the cycle fluid during outdoor heat exchange circulates can be anti-icing fluid.As shown in Figure 4,, can go up string in this outdoor heat exchange circulation and be provided with circulating pump 7,, guarantee the operate as normal of air-conditioning system so that cycle fluid is carried out forced circulation for guaranteeing the circulation of cycle fluid in the outdoor heat exchange circulation.
The foregoing description is the specific embodiment of the present invention, only is used to illustrate the present invention, but not is used to limit the present invention.
Claims (21)
1, a kind of solar heat pump air conditioner system, at least comprise source pump, indoor heat exchange circulation and outdoor heat exchange circulation, it is characterized in that the circulation of described outdoor heat exchange comprises at least and constitutes the outdoor peripheral passage of solar energy by this solar heat exchanger and source pump by a solar heat exchanger.
2, solar heat pump air conditioner system as claimed in claim 1, it is characterized in that: described solar heat exchanger comprises a solar heat-exchange water tank and a solar thermal collector at least, by the heat transferred solar heat-exchange water tank of heat transferring medium with the solar thermal collector absorption.
3, solar heat pump air conditioner system as claimed in claim 2 is characterized in that: described solar heat-exchange water tank can be the double-layer heat insulation water tank, and internal layer is a storage tank, is provided with water inlet and delivery port, and skin is the cycle fluid circulation layer.
4, heat pump type air conditioning system as claimed in claim 2 is characterized in that: described solar thermal collector can be flat-plate collector or vacuum tube collector.
5, solar energy+air-source heat pump air conditioning system as claimed in claim 2 is characterized in that: can be provided with the auxiliary electrical heating element heater in the described solar heat-exchange water tank.
6, solar heat pump air conditioner system as claimed in claim 1 is characterized in that: the cycle fluid in the outdoor peripheral passage of described solar energy can be anti-icing fluid.
7, solar heat pump air conditioner system as claimed in claim 1 is characterized in that: can go here and there in the outdoor peripheral passage of described solar energy and be provided with circulating pump.
8, a kind of solar energy+air-source heat pump air conditioning system, at least comprise source pump, indoor heat exchange circulation and outdoor heat exchange circulation, this outdoor heat exchange circulation includes outdoor heat exchanger at least, it is characterized in that: described outdoor heat exchanger is serially connected with a solar heat exchanger at least, constitutes solar energy+outdoor peripheral passage, air source by this solar heat exchanger, outdoor heat exchanger and source pump.
9, a kind of solar energy+air-source heat pump air conditioning system, at least comprise source pump, indoor heat exchange circulation and outdoor heat exchange circulation, this outdoor heat exchange circulation comprises outdoor heat exchanger at least, it is characterized in that: outdoor heat exchanger is serially connected with a solar heat exchanger at least, constitutes solar energy+outdoor peripheral passage, air source by this solar heat exchanger, outdoor heat exchanger and source pump; In the output of described outdoor heat exchanger and be connected to the branch road of direct conducting in source pump, constitute outdoor peripheral passage, air source, by control valve control working medium in peripheral passage, above-mentioned air source and solar energy+peripheral passage, air source switched conductive.
10, solar energy+air-source heat pump air conditioning system as claimed in claim 9 is characterized in that: described control valve can be the magnetic valve of being located at respectively on outdoor peripheral passage, air source and the solar energy+peripheral passage, air source.
11, solar energy+air-source heat pump air conditioning system as claimed in claim 8 or 9, it is characterized in that: described solar heat exchanger comprises a solar heat-exchange water tank and a solar thermal collector at least, by the heat transferred solar heat-exchange water tank of heat transferring medium with the solar thermal collector absorption.
12, solar energy+air-source heat pump air conditioning system as claimed in claim 11 is characterized in that: described solar heat-exchange water tank can be the double-layer heat insulation water tank, and internal layer is a storage tank, is provided with water inlet and delivery port, and skin is the cycle fluid circulation layer.
13, solar energy+air-source heat pump air conditioning system as claimed in claim 11 is characterized in that: described solar thermal collector can be flat-plate collector or vacuum tube collector.
14, solar energy+air-source heat pump air conditioning system as claimed in claim 11 is characterized in that: can be provided with the auxiliary electrical heating element heater in the described solar heat-exchange water tank.
15, solar energy+air-source heat pump air conditioning system as claimed in claim 8 or 9, it is characterized in that: described outdoor heat exchanger can be air heat exchanger, and it includes blower fan, heat exchange coil and heat exchange fin.
16, solar energy+air-source heat pump air conditioning system as claimed in claim 15 is characterized in that: can be covered with the black solar absorbing layer on described heat exchange coil and the heat exchange fin.
17, solar energy+air-source heat pump air conditioning system as claimed in claim 16 is characterized in that: the surface of described heat exchange coil and heat exchange fin can be a black solar absorbing layer or through the spray acrylic acid pitch-dark black solar absorbing layer that is treated to through anodization.
18, solar energy+air-source heat pump air conditioning system as claimed in claim 16 is characterized in that: can be provided with lighttight shutter or detachable sky shade on described air heat exchanger, to stop the irradiation of sunlight in summer.
19, solar energy+air-source heat pump air conditioning system as claimed in claim 18 is characterized in that: described light tight shutter can be fixedly arranged on maybe can turn down and be connected on the described air heat exchanger.
20, solar energy+air-source heat pump air conditioning system as claimed in claim 8 or 9 is characterized in that: the cycle fluid in the described outdoor heat exchange circulation can be anti-icing fluid.
21, solar energy+air-source heat pump air conditioning system as claimed in claim 8 or 9 is characterized in that: can go here and there in the described outdoor heat exchange circulation and be provided with circulating pump.
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| CNB021172986A CN1275009C (en) | 2002-04-25 | 2002-04-25 | Solar energy heat pump air conditioning system and solar energy plus air source heat pump air conditioning system |
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| CNB021172986A CN1275009C (en) | 2002-04-25 | 2002-04-25 | Solar energy heat pump air conditioning system and solar energy plus air source heat pump air conditioning system |
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| CN1275009C CN1275009C (en) | 2006-09-13 |
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| CN100383474C (en) * | 2005-06-27 | 2008-04-23 | 北京北控恒有源科技发展有限公司 | Solar heat pump and winter and summer two-purpose air conditioner system using the same heat pump |
| CN101832682A (en) * | 2009-03-13 | 2010-09-15 | 潘戈 | Energy-storing solar absorption refrigeration system |
| CN101691954B (en) * | 2009-09-25 | 2011-06-08 | 东南大学 | Pressure type vacuum panel solar thermal collector |
| CN102563780A (en) * | 2011-12-23 | 2012-07-11 | 红塔烟草(集团)有限责任公司 | Solar air-conditioning heat source system device |
| CN102889005A (en) * | 2011-07-18 | 2013-01-23 | 廉东根 | Pyramid type solar energy and natural energy environmental-friendly building |
| CN103528152A (en) * | 2013-10-24 | 2014-01-22 | 镇江新梦溪能源科技有限公司 | Solar air conditioner |
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| CN105605648A (en) * | 2016-02-25 | 2016-05-25 | 山东科灵节能装备股份有限公司 | Air energy heat pump unit capable of absorbing solar energy in all weathers |
| CN106352559A (en) * | 2016-09-29 | 2017-01-25 | 山东超越地源热泵科技有限公司 | Solar heat pump hot-water system for automatically adjusting working medium charging amount and control method |
| CN106352559B (en) * | 2016-09-29 | 2018-07-31 | 山东超越地源热泵科技有限公司 | A kind of the solar heat pump and water heating system and control method of automatic adjustment working medium charging amount |
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