CN101210748A - Air-conditioner hot-water composite machine - Google Patents
Air-conditioner hot-water composite machine Download PDFInfo
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- CN101210748A CN101210748A CNA2006101323710A CN200610132371A CN101210748A CN 101210748 A CN101210748 A CN 101210748A CN A2006101323710 A CNA2006101323710 A CN A2006101323710A CN 200610132371 A CN200610132371 A CN 200610132371A CN 101210748 A CN101210748 A CN 101210748A
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Abstract
The invention discloses an air-conditioning/water-heating compound machine which comrprises (1) a circulation loop for an air-conditioning system, consisting of a first compressor, a first heat exchanger, a second heat exchanger and a first throttle mechanism; and (2) a circulation loop for a water-heating system, consisting of a second compressor, a third heat exchanger, a fourth heat exchanger and a second throttle mechanism. The second heat exchanger and the third heat exchanger form a heat-transfer connection. The fourth heat exchanger and a hot-water pipeline form a water-passage connection. The hot-water pipeline is provided thereon with a water inlet and a water outlet. The invention can reduce energy consumption and has simple structure.
Description
Technical field
The present invention relates to air-conditioning and heat supply water field, relate in particular to a kind of air-conditioner hot-water composite machine.
Background technology
At present, at occasions such as family, school, hotel, the air-conditioning of use and domestic hot-water's device, all be two covering devices separately, purchase, use, maintenance cost height, and, during air conditioner refrigerating, a large amount of condensation heat are released in the atmosphere, on the other hand, by heating domestic hot-waters such as water heater or boilers, consume a large amount of high-grade energy again, both cause energy waste, caused environmental thermal pollution again.By retrieval, existing utilize the condensation heat of air-conditioning to heat domestic hot-water's technology, mainly be at compressor air-discharging to serial connection one water cooling heat exchanger between the heat exchanger, be 200410023767.2 and 03269074.6 as the patent No., but this technology has the following disadvantages:
1, after system pipeline increases by a heat exchanger, can produce the cold-producing medium drag losses, influence refrigeration or heating efficiency;
2, realize freezing, heating, heat water with a compressor refrigeration system, working conditions change is big, can not take into account simultaneously
Arrive efficient under the various operating modes, cause overall efficiency low, and fault rate is big;
3, along with the hot water temperature raises, the system condensing temperature raises, and for guaranteeing refrigeration, so still need the priming chamber external heat exchanger to dispel the heat, causes condensation heat partially recycledly to utilize;
4, these technology only reclaim air conditioner condensation heat and produce hot water, can not fully reclaim heat-pump hot-water unit generation cold again and improve refrigeration;
Summary of the invention
The object of the present invention is to provide a kind of simple in structure, better air-conditioner hot-water composite machine of energy-saving effect.
The present invention is achieved through the following technical solutions:
A kind of air-conditioner hot-water composite machine, comprise the air-conditioning system closed circuit of forming by first compressor, first heat exchanger, second heat exchanger, first throttle mechanism, and heat by the hot water that second compressor, the 3rd heat exchanger, the 4th heat exchanger, second throttle mechanism are formed and to use closed circuit; Second heat exchanger forms heat exchange with the 3rd heat exchanger and is connected; The 4th heat exchanger forms the water route with the hot water line and is connected, and this hot water line is provided with water inlet and delivery port.
Among the present invention, air-conditioning system is used for to air cooling with closed circuit or heats, hot water heats with closed circuit and is used for hot water is heated, (air-conditioning system is used for room air is freezed with closed circuit when two systems move simultaneously, hot water heats with closed circuit and is used for water or liquid are heated), because the formation heat exchange is connected between second heat exchanger and the 3rd heat exchanger, the condensation heat part that air-conditioning system discharges when being used for to air cooling with closed circuit passes to the 3rd heat exchanger from second heat exchanger, hot water heats circulation and absorbs heat through the 3rd heat exchanger, pass to heated water, energy savings through the 4th heat exchanger.Simultaneously, of the present invention simple in structure for prior art, connecting line is also simple relatively, manufacturing and easy to maintenance.Air-conditioning system with closed circuit be used for to room air heat, hot water heats with closed circuit and is used for hot water is heated, the separate operation of two systems.
Described hot water line is provided with hot water storage tank, and described the 4th heat exchanger is immersed in this hot water storage tank with coil form.Directly the water in the hot water storage tank is heated by coil pipe.
Described first heat exchanger, second heat exchanger, the 3rd heat exchanger are air-cold-producing medium dividing wall type heat exchanger, and the 4th heat exchanger is water-cold-producing medium dividing wall type heat exchanger.The 4th heat exchanger is used to heat the water or the liquid of life or other purposes, and heated water can flow through the 4th heat exchanger through the heat-exchanger pump forced circulation, is stored in after the heating in the hot water storage tank or directly and uses.
Described first heat exchanger is water-cold-producing medium dividing wall type heat exchanger.First heat exchanger and air-conditioner circulating water heat exchange, recirculated water are cooled or heat the back and be pumped into the room end-equipment by air-conditioner circulating water, reach the purpose of refrigeration or heating.
Be connected by first cross valve between the exhaust outlet of described first compressor, return-air mouth and described first heat exchanger, described second heat exchanger, first cross valve can change the flow direction of cold-producing medium in second heat exchanger, first heat exchanger, after first cross valve commutation, air-conditioning system becomes air conditioning and heating with the duty of closed circuit by air conditioner refrigerating or defrost when heating.
Be connected by second cross valve between the exhaust outlet of described second compressor, return-air mouth and described the 3rd heat exchanger, described the 4th heat exchanger, second cross valve can change the flow direction of refrigerant in the 3rd heat exchanger, the 4th heat exchanger, after the commutation of second cross valve, the 3rd heat exchanger discharges condensation heat, to reach the purpose of defrosting.
The air-conditioning system of described second heat exchanger with the hot-water heating system of heat exchanger tube, the 3rd heat exchanger with heat exchanger tube interlaced be interspersed in same set of fin.Air-conditioning system, heat exchange area increasing when the hot water heating is used separately, the heat exchange efficiency height.Cooling velocity was accelerated when this moment, air-conditioning system was freezed, and the hot-water heating system endothermic effect promotes, and the complete machine overall efficiency improves greatly.Air-conditioning system is used for to air cooling separately with closed circuit or when heating, at this moment the second heat exchanger aluminium fin area is equivalent to strengthen 1 times, system condensing temperature, pressure descend during refrigeration, system effectiveness improves, system's evaporating temperature, pressure rise when heating, strengthen from the outside heat absorption capacity, system effectiveness improves.When hot water heats when producing hot water separately with closed circuit, at this moment the 3rd heat exchanger aluminium fin area is equivalent to strengthen 1 times, and system's evaporating temperature, pressure rise, and strengthen from the outside heat absorption capacity, and system effectiveness improves.
Perhaps: described second heat exchanger, the 3rd heat exchanger independently are provided with; In these two heat exchangers, all have at least the air-conditioning system of described second heat exchanger to pass the fin of another heat exchanger with heat exchanger tube with the hot-water heating system of heat exchanger tube or the 3rd heat exchanger.
Described air-conditioning system heats with closed circuit with closed circuit or hot water forms compound unit at least two; In this compound unit, the air-conditioning system of described second heat exchanger is all passed same fin and is formed a two-in-one heat exchange mechanisms with heat exchanger tube with the hot-water heating system of heat exchanger tube, the 3rd heat exchanger.A plurality of air-conditioning systems heat with closed circuit with closed circuit, a plurality of hot water forms the unit mode, can be used for a plurality of air-conditioned rooms and a plurality of hot water water points place, and simultaneously, second heat exchanger, the shared same group of fin of the 3rd heat exchanger make the heat exchange efficiency height.
To sum up, advantage of the present invention is:
The condensation heat that is produced when 1, air-conditioning system is freezed with closed circuit is reclaimed by the hot water heating and is used as the heating domestic hot-water, improves energy-saving effect;
2, the shared fin structure between second heat exchanger and the 3rd heat exchanger makes heat exchange efficiency higher;
3, air-conditioning system separate refrigeration operation, hot-water heating system is not opened.At this moment the second heat exchanger aluminium fin area is equivalent to strengthen 1 times, and system condensing temperature, pressure descend.System effectiveness improves;
4, the independent heating operation of air-conditioning system, hot-water heating system is not opened.At this moment the second heat exchanger aluminium fin area is equivalent to strengthen 1 times, and system's evaporating temperature, pressure rise, and strengthen from the outside heat absorption capacity.System effectiveness improves;
5, the independent heating operation of hot-water heating system, air-conditioning system is not opened.At this moment the 3rd heat exchanger aluminium fin area is equivalent to strengthen 1 times, and system's evaporating temperature, pressure rise, and strengthen from the outside heat absorption capacity.System effectiveness improves;
6, air-conditioning system refrigerating operaton, the hot-water heating system heating operation.At this moment second heat exchanger heat radiation can pass to the 3rd heat exchanger by the aluminium fin, and the air-conditioning system cooling velocity is accelerated, and the hot-water heating system endothermic effect promotes.System effectiveness improves greatly;
7, air-conditioning system, the equal heating operation of hot-water heating system.At this moment the separate operation of two systems;
8, the present invention is simple in structure, and for prior art, connecting line is also less, manufacturing and easy to maintenance;
9, a plurality of air-conditioning systems heat with closed circuit with closed circuit, a plurality of hot water and form compound unit, can be used for a plurality of air-conditioned rooms and a plurality of hot water water points place;
10, a plurality of various combination structures can reduce the off-premises station volume, the convenient installation and maintenance.
Description of drawings
Fig. 1 is the structure chart of embodiments of the invention one;
Fig. 2 is among Fig. 1, forms the side view of two-in-one heat exchange mechanisms between second heat exchanger, the 3rd heat exchanger;
Fig. 3 is the front view of Fig. 2;
Fig. 4 is the amplification view at A place among Fig. 3;
Fig. 5 is the structure chart of the embodiment of the invention two;
Fig. 6 is the structure chart of the embodiment of the invention three;
Fig. 7 is the structure chart of the embodiment of the invention four;
Fig. 8 is the structure chart of the embodiment of the invention five;
Fig. 9 is the structure chart of the embodiment of the invention six;
Figure 10 is the structure chart of the embodiment of the invention seven;
Figure 11 is the structure chart of the embodiment of the invention eight;
Figure 12 is the structure chart of the embodiment of the invention nine;
Description of reference numerals:
1, first compressor, 2, first heat exchanger, 3, second heat exchanger, 4, the first throttle element, 5, second compressor, the 6, the 3rd heat exchanger, the 7, the 4th heat exchanger, 8, second throttle mechanism, 9, hot water storage tank, 10, first cross valve, 11, the air-conditioning system heat exchanger tube, 12, fin, 13, heat-exchanger pump, 14, water inlet pipe, 15, outlet pipe, 16, blower fan, 17, indoor coil, 18, the air-conditioner circulating water pump, 19, tube connector, 20, second cross valve, 21, the hot-water heating system heat exchanger tube.
The specific embodiment
Embodiment one:
See also Fig. 1 to Fig. 4, a kind of air-conditioner hot-water composite machine, this air-conditioner hot-water composite machine comprises the air-conditioning system closed circuit of being made up of first compressor 1, first heat exchanger 2, second heat exchanger 3, first throttle mechanism 4, and is heated by the hot water that second compressor 5, the 3rd heat exchanger 6, the 4th heat exchanger 7, second throttle mechanism 8 are formed and to use closed circuit; Second heat exchanger 3 forms heat exchange with the 3rd heat exchanger 6 and is connected; The 4th heat exchanger 7 forms the water route with the hot water line and is connected, and this hot water line is provided with water inlet and delivery port; This water inlet and delivery port connect hot water storage tank 9 simultaneously, and are provided with heat-exchanger pump 13 on the hot water line, are provided with water inlet pipe 14 and outlet pipe 15 on hot water storage tank 9.
Wherein, first heat exchanger 2, second heat exchanger 3, the 3rd heat exchanger 6 are air-cold-producing medium dividing wall type heat exchanger, and the 4th heat exchanger 7 is water-cold-producing medium dividing wall type heat exchanger; , be connected by first cross valve 10 between the exhaust outlet of described first compressor 1, return-air mouth and described first heat exchanger 2, described second heat exchanger 3 with in the closed circuit in air-conditioning system; Be connected by second cross valve 20 between the exhaust outlet of described second compressor 5, return-air mouth and described the 3rd heat exchanger 6, the 4th heat exchanger 7; The air-conditioning system of described second heat exchanger 3 with the hot-water heating system of heat exchanger tube 11, the 3rd heat exchanger 6 with heat exchanger tube 20 interlaced be interspersed in same set of fin 12; Be equipped with blower fan 16 at first heat exchanger, 2 sides, second heat exchanger 3, the 3rd heat exchanger 6 sides, be used for forced heat-exchanging.
The operation principle of present embodiment is:
1, separate refrigeration
The air-conditioning system operation, hot-water heating system is closed.The high temperature and high pressure gaseous refrigerant of discharging through first compressor 1 enters second heat exchanger 3 and carry out condensation in second heat exchanger 3 through first cross valve 10, second heat exchanger 3 is emitted heat with the outdoor air heat exchange, this moment, second heat exchanger 3 was made condenser usefulness, condensed refrigerant liquid enters first heat exchanger 2 after by 4 throttlings of first throttle mechanism to carry out heat exchange with room air and absorbs heat, indoor temperature is reduced reach refrigeration, this moment, first heat exchanger 2 was made evaporimeter usefulness, and the cold-producing medium after the evaporation reenters first compressor 1 through first cross valve 10.
2, heating separately
The air-conditioning system operation, hot-water heating system is closed.The high temperature and high pressure gaseous refrigerant of discharging through first compressor 1 enters first heat exchanger 2 through first cross valve 10 to carry out heat exchange with room air and emits heat, indoor temperature is raise reach heating effect, this moment, first heat exchanger 2 was made condenser usefulness, condensed refrigerant liquid enters second heat exchanger 3 after by 4 throttlings of first throttle mechanism and absorbs heat with the outdoor air heat exchange, this moment, second heat exchanger 3 was made evaporimeter usefulness, and the cold-producing medium after the evaporation reenters first compressor 1 through first cross valve 10.
3, heat water separately
The hot-water heating system operation, air-conditioning system is closed.The high temperature and high pressure gaseous refrigerant of discharging through second compressor 5 enters the 4th heat exchanger 7 through second cross valve 20, the high temperature and high pressure gas that compressor is discharged condensation and release heat in the 4th heat exchanger 7, and the water among the hot water line heated, heat-exchanger pump 13 drives heated water circulation; Condensation is after enter the evaporation of the 3rd heat exchanger 6 and absorb heat after 8 throttlings of second throttle mechanism in the 4th heat exchanger 6 for cold-producing medium, and the cold-producing medium after the evaporation reenters second compressor 5 through second cross valve 20.
4, refrigeration+hot water
Air-conditioning system and hot-water heating system are moved simultaneously.
The high temperature and high pressure gaseous refrigerant of discharging through second compressor 5 enters the 4th heat exchanger 7 and in 7 condensations of the 4th heat exchanger and release heat through second cross valve 20, heat-exchanger pump 13 driving water circulate and are heated, reach the effect of producing hot water, condensation is after enter the evaporation of the 3rd heat exchanger 6 and absorb heat after 8 throttlings of second throttle mechanism in the 4th heat exchanger 7 for cold-producing medium, and the cold-producing medium after the evaporation reenters second compressor 5 through second cross valve 20.
In this process, the heat part that second heat exchanger 3 is discharged is absorbed by the 3rd heat exchanger 6, and the air-conditioning system cooling velocity is accelerated, good cooling results; Simultaneously, hot water heating endothermic effect promotes, and whole system efficient improves greatly.
5, heat+hot water
Air-conditioning system and hot-water heating system are moved simultaneously.
The high temperature and high pressure gaseous refrigerant of discharging through second compressor 5 enters the 4th heat exchanger 7 and in 7 condensations of the 4th heat exchanger and release heat through second cross valve 20, heat-exchanger pump 13 driving water circulate and are heated, reach the effect of producing hot water, condensation is after enter the evaporation of the 3rd heat exchanger 6 and absorb heat after 8 throttlings of second throttle mechanism in the 4th heat exchanger 7 for cold-producing medium, and the cold-producing medium after the evaporation reenters second compressor 5 through second cross valve 20
In this process, the separate operation of air-conditioning system and hot-water heating system.
Embodiment two:
See also Fig. 5, the difference of present embodiment and embodiment one is: the 4th heat exchanger 7 is immersed in the hot water storage tank 9 for coiled, the high temperature and high pressure gaseous refrigerant of discharging through second compressor 5 enters 7 condensations of the 4th heat exchanger and emits heat through second cross valve 20, the condensation heat of passing through to be emitted heats the water in the hot water storage tank 10, make the water temperature of storing in the hot water storage tank 9 raise gradually, reach the effect of producing hot water, condensation is after enter the evaporation of the 3rd heat exchanger 6 and absorb heat after 8 throttlings of second throttle mechanism in the 4th heat exchanger 7 for cold-producing medium, and the cold-producing medium after the evaporation reenters second compressor 5 through second cross valve 20.
Embodiment three:
See also Fig. 6, the difference of present embodiment and embodiment one is: first heat exchanger 2 is water-cold-producing medium formula, is come air-conditioner circulating water is cooled off or heats by it.
During refrigeration, the high temperature and high pressure gaseous refrigerant of discharging through first compressor 1 enters second heat exchanger 3 through first cross valve 10 and emits heat with the outdoor air heat exchange, this moment, second heat exchanger 3 was made condenser usefulness, condensed refrigerant liquid enters first heat exchanger 2 after by 4 throttlings of first throttle mechanism, with the air-conditioner circulating water heat exchange in first heat exchanger 2, circulating water temperature is reduced, by air-conditioner circulating water pump 18 circulation inlet chamber inner coil pipes 17, be used for to indoor refrigeration, cold-producing medium evaporates after first cross valve 10 reenters first compressor 1 in first heat exchanger 2.
When heating, the high temperature and high pressure gaseous refrigerant of discharging through first compressor 1 enters first heat exchanger 2 through first cross valve 10, with the air-conditioner circulating water heat exchange in first heat exchanger 2, circulating water temperature is raise, by air-conditioner circulating water pump 18 inlet chamber inner coil pipes 17, be used for to indoor heating, cold-producing medium condensation in first heat exchanger 2 absorbs heat exchange after enter second heat exchanger 3 after 4 throttlings of first throttle mechanism with the outdoor air heat exchange, and the cold-producing medium after the evaporation reenters first compressor 1 through first cross valve 10.
Embodiment four:
See also Fig. 7, the difference of present embodiment and embodiment three is: the 4th heat exchanger 7 is immersed in the hot water storage tank 9 for coiled, and the condensation heat that the 4th heat exchanger 7 is produced is used for heat hot water, reaches the effect of producing hot water.
Embodiment five:
See also Fig. 8, the difference of present embodiment and embodiment two is: first compressor 1 and first heat exchanger 2 are formed monolithic construction, and in use, this monolithic construction is loaded on indoor.
Embodiment six:
See also Fig. 9, the difference of present embodiment and embodiment four is: present embodiment is made up of three parts, first compressor 1 and first heat exchanger 2 form a whole, second heat exchanger 3 and the 3rd heat exchanger 6 form a whole, second compressor 5 forms a whole with boiler 9, the 4th heat exchanger 7, is connected to each other by fluorine connecting pipe 19 between the three parts.
Embodiment seven:
See also Figure 10, the difference of present embodiment and embodiment three is: present embodiment is made up of three parts, first compressor 1 and first heat exchanger 2 form a whole, second heat exchanger 3 and the 3rd heat exchanger 6 form a whole, second compressor 5 and the 4th heat exchanger 7 form a whole, and are connected to each other by fluorine connecting pipe 19 between the three parts.
Embodiment eight:
See also Figure 11, the difference of present embodiment and embodiment seven is: present embodiment is by two most of compositions, first compressor 1 and first heat exchanger 2, second compressor 5, the 4th heat exchanger 7 form a whole, second heat exchanger 3 and the 3rd heat exchanger 6 form a whole, and are connected to each other by fluorine connecting pipe 19 between two major parts.
Embodiment nine:
See also Figure 12, formed the air-conditioning unit, heated with closed circuit by two cover hot water and form the hot water unit with closed circuit by two cover air-conditioning systems, the air-conditioning system of described second heat exchanger 3 is all passed same set of fin 12 and is formed a two-in-one heat exchange mechanisms with heat exchanger tube 21 with the hot-water heating system of heat exchanger tube 11, the 3rd heat exchanger 6.In the present embodiment, air-conditioning system can adopt any way or its similar fashion in the foregoing description with closed circuit, hot-water heating system with closed circuit; Air-conditioning system combines the air-conditioning compounding machine with closed circuit or hot-water heating system with at least two of closed circuits.Present embodiment can be used for a plurality of air-conditioned rooms and a plurality of hot water water points place.
Claims (10)
1. air-conditioner hot-water composite machine, it is characterized in that: this air-conditioner hot-water composite machine comprises the air-conditioning system closed circuit of being made up of first compressor (1), first heat exchanger (2), second heat exchanger (3), first throttle mechanism (4), and is heated by the hot water that second compressor (5), the 3rd heat exchanger (6), the 4th heat exchanger (7), second throttle mechanism (8) are formed and to use closed circuit; Second heat exchanger (3) forms heat exchange with the 3rd heat exchanger (6) and is connected; The 4th heat exchanger (7) forms the water route with the hot water line and is connected, and this hot water line is provided with water inlet and delivery port.
2. air-conditioner hot-water composite machine according to claim 1, it is characterized in that: described hot water line is provided with hot water storage tank (9), and described the 4th heat exchanger (7) is immersed in this hot water storage tank (9) with coil form.
3. air-conditioner hot-water composite machine according to claim 1, it is characterized in that: first heat exchanger (2), second heat exchanger (3), the 3rd heat exchanger (6) are air-cold-producing medium dividing wall type heat exchanger, and the 4th heat exchanger (7) is water-cold-producing medium dividing wall type heat exchanger.
4. air-conditioner hot-water composite machine according to claim 1, it is characterized in that: first heat exchanger (2) is water-cold-producing medium dividing wall type heat exchanger.
5. air-conditioner hot-water composite machine according to claim 1 is characterized in that: be connected by first cross valve (10) between the exhaust outlet of described first compressor (1), return-air mouth and described first heat exchanger (2), described second heat exchanger (3).
6. air-conditioner hot-water composite machine according to claim 1 is characterized in that: be connected by second cross valve (20) between the exhaust outlet of described second compressor (5), return-air mouth and described the 3rd heat exchanger (6), the 4th heat exchanger (7).
7. as air-conditioner hot-water composite machine as described in the claim 1～6, it is characterized in that: described second heat exchanger (3), the independent setting of the 3rd heat exchanger (6), in these two heat exchangers, all have at least the air-conditioning system of described second heat exchanger (3) to pass the fin (12) of another heat exchanger with heat exchanger tube (21) with the hot-water heating system of heat exchanger tube (11) or the 3rd heat exchanger (6).
8. as air-conditioner hot-water composite machine as described in each in the claim 1～6, it is characterized in that: the air-conditioning system of described second heat exchanger (3) is interspersed in same set of fin (12) with the hot-water heating system of heat exchanger tube (11), the 3rd heat exchanger (6) with heat exchanger tube (21).
9. as air-conditioner hot-water composite machine as described in the claim 8, it is characterized in that: the air-conditioning system of described second heat exchanger (3) with the hot-water heating system of heat exchanger tube (11), the 3rd heat exchanger (6) with heat exchanger tube (21) interlaced be interspersed in same set of fin (12).
10. as air-conditioner hot-water composite machine as described in each in the claim 1～6, it is characterized in that: described air-conditioning system heats with closed circuit with closed circuit or hot water forms compound unit at least two; In this compound unit, the air-conditioning system of described second heat exchanger (3) is all passed same set of fin (12) and is formed a two-in-one heat exchange mechanisms with heat exchanger tube (21) with the hot-water heating system of heat exchanger tube (11), the 3rd heat exchanger (6).
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