CN204593946U - Air-conditioning hot water system - Google Patents
Air-conditioning hot water system Download PDFInfo
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- CN204593946U CN204593946U CN201520205847.3U CN201520205847U CN204593946U CN 204593946 U CN204593946 U CN 204593946U CN 201520205847 U CN201520205847 U CN 201520205847U CN 204593946 U CN204593946 U CN 204593946U
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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Abstract
The utility model provides an air-conditioning hot water system, a second compressor, a first heat exchanger, a first throttling device, a second throttling device, a third heat exchanger and a switching device are connected in series in sequence to form a first refrigeration loop; the second compressor, the first heat exchanger, the first throttling device, the first electronic valve, the second heat exchanger and the switching device are sequentially connected in series to form a second refrigeration loop; the first compressor, the switching device, the second heat exchanger, the first electronic valve, the second throttling device and the third heat exchanger are sequentially connected in series to form a third refrigeration loop; the switching device is used for switching between the heating function and the cooling function of the third cooling circuit. The utility model discloses an air conditioner hot-water heating system has solved refrigeration or has heated and make hot water to the difference problem of condensing temperature demand, realizes the decoupling zero between two condensing temperature to increase substantially refrigeration or heat and make the long system's efficiency of hot water operating duration simultaneously.
Description
Technical field
The utility model relates to refrigerating field, particularly relates to a kind of air conditioning and water heating system.
Background technology
Along with economic development and life style change, there is refrigeration, heat and water heating demand in general family.In order to reduce equipment investment and save floor space, there is separate refrigeration, simultaneously refrigeration and water heating, heat separately, heat with the all-in-one air-conditioning of the function such as water heating, separately water heating simultaneously known to everybody.These all-in-ones generally include refrigerant loop and water loop, in this refrigerant loop, cold-producing medium absorb heat in evaporimeter evaporation after then heat release in condenser, heat is taken away by water side loop, water loop then respectively with heat loop and the heat exchange of water heating loop.In such systems, the condensation temperature of all-in-one only has one.But, freeze or heat with water heating needed for condensation temperature different, freezes or heat required condensation temperature at 35-45 DEG C, and condensation temperature needed for water heating is at 45-65 DEG C.Therefore, heat and water heating to meet simultaneously, under heat pump has to operate at the condensation temperature of high condensation temperature and water heating (45-65 DEG C), thus improve the refrigeration simultaneously run or heat partial condensation temperature, causing system cloud gray model efficiency not high.
Utility model content
In view of the present situation of prior art, the purpose of this utility model is to provide a kind of air conditioning and water heating system, solve refrigeration or heat with water heating condensation temperature demand difference problem, realize the decoupling zero between two condensation temperatures, thus increase substantially refrigeration or heat the system energy efficiency with long operational time while of water heating.For achieving the above object, the technical solution of the utility model is as follows:
A kind of air conditioning and water heating system, comprise the first compressor, the second compressor, First Heat Exchanger, the second heat exchanger, the 3rd heat exchanger, first throttle device, the second throttling arrangement, the first electronic valve and switching device shifter, described First Heat Exchanger is by heat exchange medium and water-heater heat-exchanging;
Described second compressor, described First Heat Exchanger, described first throttle device, described second throttling arrangement, described 3rd heat exchanger and described switching device shifter are connected successively and can be formed the first refrigerating circuit;
Described second compressor, described First Heat Exchanger, described first throttle device, described first electronic valve, described second heat exchanger and described switching device shifter are connected successively and can be formed the second refrigerating circuit;
Described first compressor, described switching device shifter, described second heat exchanger, described first electronic valve, described second throttling arrangement and described 3rd heat exchanger are connected successively and can be formed the 3rd refrigerating circuit;
Described switching device shifter is for the switching between the heat-production functions between described 3rd refrigerating circuit and refrigerating function.
Wherein in an embodiment, described switching device shifter is cross valve, described cross valve has first to fourth valve port, described first valve port connects described second heat exchanger, described second valve port connects the exhaust end of described first compressor, described 3rd valve port connects described 3rd heat exchanger, and described 4th valve port connects the suction end of described first compressor.
Wherein in an embodiment, described air conditioning and water heating system also comprises the 3rd compressor, the 3rd throttling arrangement, flash evaporation and the second electronic valve, described 3rd compressor is connected between described first compressor and described second compressor, described 3rd throttling arrangement is connected between described first throttle device and described second throttling arrangement, described flash evaporation is connected between described 3rd throttling arrangement and described second throttling arrangement, and described second electronic valve is connected between the exhaust end of described flash evaporation and described first compressor.
Wherein in an embodiment, described first compressor, described second compressor and described 3rd compressor are integrated, described first compressor is as first order compressor, and described second compressor is as high stage compressor, and described 3rd compressor is as third level compressor.
Wherein in an embodiment, described first compressor and described second compressor are integrated, and described first compressor is as first order compressor, and described second compressor is as high stage compressor.
Wherein in an embodiment, described switching device shifter comprises the 3rd electronic valve, 4th electronic valve, 5th electronic valve and the 6th electronic valve, described 3rd electronic valve is connected between the exhaust end of described second heat exchanger and described first compressor, described 4th electronic valve is connected between the suction end of described second heat exchanger and described first compressor, described 5th electronic valve is connected between described 3rd heat exchanger and the exhaust end of described first compressor, described 6th electronic valve is connected between described 3rd heat exchanger and the suction end of described first compressor.
Wherein in an embodiment, described air conditioning and water heating system also comprises the 7th electronic valve, and described 7th electronic valve and described second compressor parallel are arranged.
Wherein in an embodiment, described second heat exchanger by heat exchange medium and ground heating system or/and the heat exchange of little temperature difference end heat exchanger.
Wherein in an embodiment, described air conditioning and water heating system also comprises the first water loop and the second water loop, described first water loop connects described water heater, described first water loop as heat exchange medium, for the heat exchange between described water heater and described First Heat Exchanger;
Described second water loop connects described ground heating system or/and fan coil, described second water loop also as heat exchange medium, for described ground heating system or/and heat exchange between fan coil and described second heat exchanger.
Wherein in an embodiment, the quantity of described first compressor is two or more, and described in two or more, the first compressor parallel is arranged.
Wherein in an embodiment, the discharge capacity of described first compressor and described second compressor is 1-5 than scope.
Wherein in an embodiment, be also provided with oil equalizing pipe between described first compressor and described second compressor, described oil equalizing pipe has been arranged in series the 8th electronic valve.
Wherein in an embodiment, described air conditioning and water heating system also comprises fluid reservoir, and described fluid reservoir is connected between described first throttle device and described second throttling arrangement, and described first electronic valve is connected between described fluid reservoir and described second heat exchanger.
The beneficial effects of the utility model are:
Air conditioning and water heating system of the present utility model, solves refrigeration or to heat with water heating condensation temperature demand difference problem, realizing the decoupling zero between two condensation temperatures, thus increases substantially refrigeration or heat the system energy efficiency with water heating long operational time simultaneously.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of air conditioning and water heating system embodiment one of the present utility model;
Fig. 2 is two the first compressor parallel schematic diagrames;
Fig. 3 is the schematic diagram of air conditioning and water heating system embodiment two of the present utility model;
Fig. 4 is the schematic diagram of air conditioning and water heating system embodiment three of the present utility model;
Fig. 5 is the schematic diagram of air conditioning and water heating system embodiment four of the present utility model.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, air conditioning and water heating system of the present utility model is further elaborated.Should be appreciated that specific embodiment described herein only for explaining the utility model, and be not used in restriction the utility model.
Referring to figs. 1 through Fig. 5, the air conditioning and water heating system of the utility model one embodiment comprises the first compressor 1, second compressor 2, First Heat Exchanger 3, second heat exchanger 6, the 3rd heat exchanger 10, first throttle device 4, second throttling arrangement 9, first electronic valve 7 and switching device shifter.First Heat Exchanger 3 is by heat exchange medium and water-heater heat-exchanging.
Second compressor 2, First Heat Exchanger 3, first throttle device 4, second throttling arrangement 9, the 3rd heat exchanger 10 and described switching device shifter are connected successively and can be formed the first refrigerating circuit.Second compressor 2, First Heat Exchanger 3, first throttle device 4, first electronic valve 7, second heat exchanger 6 and described switching device shifter are connected successively and can be formed the second refrigerating circuit.First compressor 1, described switching device shifter, the second heat exchanger 6, first electronic valve 7, second throttling arrangement 9 and the 3rd heat exchanger 10 are connected successively and can be formed the 3rd refrigerating circuit.Described switching device shifter is used for the switching between described 3rd refrigerating circuit refrigerating function and heat-production functions.Wherein the 3rd heat exchanger 10 is the heat exchanger of off-premises station, and the second heat exchanger 6 is as the heat exchanger of indoor set.Preferably, the 7th electronic valve 11 and the second compressor 2 are arranged in parallel, and wherein the 7th electronic valve 11 is connected in bypass pipe 12.
Embodiment one
As depicted in figs. 1 and 2, described switching device shifter is cross valve 5, cross valve 5 has first to fourth valve port, first valve port A connects the second heat exchanger 6, second valve port B connects the exhaust end of the first compressor 1,3rd valve port C connects the suction end that the 3rd heat exchanger the 10, four valve port D connects the first compressor 1.
Preferably, the first compressor 1 and the second compressor 2 are integrated, and the first compressor 1 is as first order compressor, and the second compressor 2 is as high stage compressor.
As a kind of embodiment, the quantity of the first compressor 1 is two or more, and two or more first compressor 1 is arranged in parallel.In Fig. 2, the quantity of the first compressor 1 is two.
The discharge capacity of the first compressor 1 and the second compressor 2 is 1-5 than scope.
Also be provided with oil equalizing pipe 14 between first compressor 1 and the second compressor 2, oil equalizing pipe 14 has been arranged in series the 8th electronic valve 13.
Between first throttle device 4 and the second throttling arrangement 9, be arranged in series fluid reservoir 8, the first electronic valve 7 is connected between fluid reservoir 8 and the second heat exchanger 6.
The air conditioning and water heating system of the present embodiment heat run with water heating simultaneously time, the first valve port A of cross valve 5 is communicated with the second valve port B, and the 3rd valve port C is communicated with the 4th valve port D, and the 7th electronic valve 11 is closed.
First compressor 1 compresses discharge by the 3rd valve port C of cross valve 5 and the 4th valve port D successively after the 3rd heat exchanger 10 air-breathing, the cold-producing medium that first compressor 1 is discharged, wherein part of refrigerant flows to the second heat exchanger 6 by the second valve port B of cross valve 5 and the first valve port A, wherein another part refrigerant flow direction second compressor 2, this part cold-producing medium flows into fluid reservoir 8 by first throttle device 4 after heat exchange in First Heat Exchanger 3, mixes in fluid reservoir 8 with the cold-producing medium flowed out by the first electronic valve 7 from the second heat exchanger 6.The cold-producing medium of mixing flows to the second throttling arrangement 9 from fluid reservoir 8, and then heat absorption evaporation the 3rd heat exchanger 10 in, the cold-producing medium after evaporating in the 3rd heat exchanger 10 flows to compressor 1 by the 3rd valve port C of cross valve 5 and the 4th valve port D successively, so circulates.The realization that simultaneously works of first compressor 1 and the second compressor 2 heats and runs with water heating simultaneously.Wherein, first throttle device 4 and the second throttling arrangement 9 are electric expansion valve or capillary, and the first electronic valve 7, the 7th electronic valve 11 are magnetic valve or motor-driven valve.
Heating with in water heating simultaneously running, also there is another kind of embodiment, 7th electronic valve 11 conducting, when second compressor 2 does not work, first compressor 1 compresses discharge by the 3rd valve port C of cross valve 5 and the 4th valve port D after the 3rd heat exchanger 10 air-breathing, the cold-producing medium that first compressor 1 is discharged, wherein part of refrigerant flows to the second heat exchanger 6 by the second valve port B of cross valve 5 and the first valve port A successively, wherein another part cold-producing medium enters First Heat Exchanger 3 by the 7th electronic valve 11 and tube connector 12 successively, fluid reservoir 8 is flowed into by first throttle device 4 after heat exchange in First Heat Exchanger 3, mix in fluid reservoir 8 with the cold-producing medium flowed out by the first electronic valve 7 in the second heat exchanger 6.The cold-producing medium of mixing flows to the second throttling arrangement 9 from fluid reservoir 8, then heat absorption evaporation in the 3rd heat exchanger 10, cold-producing medium in the 3rd heat exchanger 10 after evaporation flows to the suction end of the first compressor 1 successively by the 3rd valve port C of cross valve 5 and the 4th valve port D, so circulate.This kind of mode only needs the first compressor 1 work can realize heating and run with water heating simultaneously.
The air conditioning and water heating system of the present embodiment is when heating separately, and the first valve port A of cross valve 5 is communicated with the second valve port B, and the 3rd valve port C is communicated with the 4th valve port D, and the 7th electronic valve 11 is closed, and the second compressor 2 does not work.
First compressor 1 compresses discharge by the 3rd valve port C of cross valve 5 and the 4th valve port D after the 3rd heat exchanger 10 air-breathing, the cold-producing medium that first compressor 1 is discharged all flows to the second heat exchanger 6 by the second valve port B of cross valve 5 and the first valve port A, the first electronic valve 7 is passed through successively after heat exchange in the second heat exchanger 6, fluid reservoir 8 and the second throttling arrangement 9 and enter the 3rd heat exchanger 10, then heat absorption evaporation in the 3rd heat exchanger 10, cold-producing medium after the 3rd heat exchanger 10 evaporates flows to the first compressor 1 by the 3rd valve port C of cross valve 5 and the 4th valve port D successively, circulation like this.This kind of mode only needs the first compressor 1 work can realize heating separately.
The air conditioning and water heating system of the present embodiment is when independent water heating, and the first valve port A of cross valve 5 is communicated with the 4th valve port D, and the second valve port B is communicated with the 3rd valve port C, and the first electronic valve 7 is closed, and the 7th electronic valve 11 is closed, and the first compressor 1 does not work.
In the 3rd heat exchanger 10, the cold-producing medium of heat absorption evaporation all flows to the second compressor 2 by the 3rd valve port C of cross valve 5 and the second valve port B, the cold-producing medium that second compressor 2 is discharged enters First Heat Exchanger 3, first throttle device 4, fluid reservoir 8 and the second throttling arrangement 9 is passed through successively after heat exchange in heat exchanger 3, flow to the 3rd heat exchanger 10, in the 3rd heat exchanger 10, flow to the second compressor 2 by the 3rd valve port C of cross valve 5 and the second valve port B after heat exchange, so circulate.Only need the second compressor 2 work can realize the function of independent water heating.
The air conditioning and water heating system of the present embodiment is when freezing and water heating runs simultaneously, and the first valve port A of cross valve 5 is communicated with the 4th valve port D, and the second valve port B is communicated with the 3rd valve port C, and the 7th electronic valve 11 is closed.
First compressor 1 compresses discharge by the 4th valve port D of cross valve 5 and the first valve port A after the second heat exchanger 6 air-breathing, the cold-producing medium that first compressor 1 is discharged, wherein part of refrigerant flows to the 3rd heat exchanger 10 by the second valve port B of cross valve 5 and the 3rd valve port C successively, another part refrigerant flow direction second compressor 2, this part cold-producing medium after the second compressor 2 compresses flows into fluid reservoir 8 by first throttle device 4 after heat exchange in First Heat Exchanger 3, mix in fluid reservoir 8 with the cold-producing medium after flowing out through the second throttling arrangement 9 from the 3rd heat exchanger 10.The cold-producing medium of mixing flows to the second heat exchanger 6 from fluid reservoir 8 by the first electronic valve 7, finally from the suction end entering the first compressor 1 by the first valve port A of cross valve 5 and the 4th valve port D, so circulates.First compressor 1 and the second compressor 2 work simultaneously realize refrigeration and water heating run simultaneously.
The air conditioning and water heating system of the present embodiment is when freezing isolated operation, and the first valve port A of cross valve 5 is communicated with the 4th valve port D, and the second valve port B is communicated with the 3rd valve port C, and the 7th electronic valve 11 is closed, and the second compressor 2 does not work.
First compressor 1 compresses discharge by the 4th valve port D of cross valve 5 and the first valve port A after the second heat exchanger 6 air-breathing, first compressor 1 cold-producing medium of discharging all flows to the 3rd heat exchanger 10 by the second valve port B of cross valve 5 and the 3rd valve port C successively, the second heat exchanger 6 is flowed to by the second throttling arrangement 9, fluid reservoir 8 and magnetic valve 7 successively after heat exchange in the 3rd heat exchanger 10, after the second heat exchanger 6 heat exchange, flowed into the suction end of the first compressor 1 successively by the first valve port A of cross valve 5 and the 4th valve port D, so circulate.Only need the first compressor 1 work can realize isolated operation of freezing.
The air conditioning and water heating system of the present embodiment is when part cooling load and water heating run simultaneously, and the first valve port A of cross valve 5 is communicated with the second valve port B, and the 3rd valve port C is communicated with the 4th valve port D, and the 7th electronic valve 11 is closed, and the first compressor 1 does not work.
Second compressor 2 compresses discharge by the first valve port A of cross valve 5 and the second valve port B after the second heat exchanger 6 air-breathing, the cold-producing medium that second compressor 2 is discharged flows into fluid reservoir 8 by first throttle device 4 after heat exchange in First Heat Exchanger 3, then the second heat exchanger 6 is flowed to by the first electronic valve 7, in the second heat exchanger 6, after heat exchange, entered the suction end of the second compressor 2 successively by the first valve port A of cross valve 5 and the second valve port B, so circulate.Only need the second compressor 2 work can realize part cooling load and water heating runs simultaneously.
In above-mentioned running, the oil equilibrium between the first compressor 1 and the second compressor 2 is completed by the 8th electronic valve 13 and oil equalizing pipe 14.
Embodiment two
As shown in Figure 3, the difference of the present embodiment and embodiment one is: air conditioning and water heating system also comprises the 3rd compressor 21, the 3rd throttling arrangement 17, flash evaporation 18 and the second electronic valve 19,3rd compressor 21 is connected between the first compressor 1 and the second compressor 2,3rd throttling arrangement 17 is connected between first throttle device 4 and the second throttling arrangement 9, flash evaporation 18 is connected between the 3rd throttling arrangement 17 and the second throttling arrangement 9, and the second electronic valve 19 is connected between flash evaporation 18 and the exhaust end of the first compressor 1.Wherein, the 3rd throttling arrangement 17 is electric expansion valve or capillary, and the second electronic valve 19 is magnetic valve or motor-driven valve.
Preferably, the first compressor 1, second compressor 2 and the 3rd compressor 21 are integrated, and the first compressor 1 is as first order compressor, and the second compressor 2 is as high stage compressor, and the 3rd compressor 21 is as third level compressor.
In the present embodiment, for solve environment temperature lower time delivery temperature higher problem, add the 3rd throttling arrangement 17, flash evaporation 18, second electronic valve 19, first tube connector 20 and the 3rd compressor 21.When environment temperature is lower, reduce pressure from fluid reservoir 8 cold-producing medium out through the 3rd throttling arrangement 17, in flash evaporation 18, some refrigerant flashes to steam, open the second electronic valve 19, steam or gas-liquid two-phase cold-producing medium by the second electronic valve 19 and the first tube connector 20 with the cold-producing medium assemble jamming of discharging from the first compressor 1 to the 3rd compressor 21.
Embodiment three
As shown in Figure 4, the difference of the present embodiment and embodiment one is: adopt the cross valve 5 that the 3rd electronic valve 23, the 4th electronic valve 24, the 5th electronic valve 25 and the 6th electronic valve 26 replace in embodiment one.
Described switching device shifter comprises the 3rd electronic valve 23, 4th electronic valve 24, 5th electronic valve 25 and the 6th electronic valve 26, 3rd electronic valve 23 is connected between the second heat exchanger 6 and the exhaust end of the first compressor 1, 4th electronic valve 24 is connected between the second heat exchanger 6 and the suction end of the first compressor 1, 5th electronic valve 25 is connected between the 3rd heat exchanger 10 and the exhaust end of the first compressor 1, 5th electronic valve 25 is connected to the exhaust end of the first compressor 1 by the second tube connector 22, 6th electronic valve 26 is connected between the 3rd heat exchanger 10 and the suction end of the first compressor 1.Wherein, the 3rd electronic valve 23, the 4th electronic valve 24, the 5th electronic valve 25 and the 6th electronic valve 26 are magnetic valve or motor-driven valve.
The air conditioning and water heating system of the present embodiment heat run with water heating simultaneously time, the 3rd electronic valve 23 and the 6th electronic valve 26 are opened, and the 4th electronic valve 24 and the 5th electronic valve 25 are closed.
The air conditioning and water heating system of the present embodiment is when heating separately, and the 3rd electronic valve 23 and the 6th electronic valve 26 are opened, and the 4th electronic valve 24 and the 5th electronic valve 25 are closed.
The air conditioning and water heating system of the present embodiment is when independent water heating, and the 5th electronic valve 25 is opened, and the 3rd electronic valve 23, the 6th electronic valve 26 and the 4th electronic valve 24 are closed.
The air conditioning and water heating system of the present embodiment is when freezing and water heating runs simultaneously, and the 4th electronic valve 24 and the 5th electronic valve 25 are opened, and the 3rd electronic valve 23 and the 6th electronic valve 26 are closed.
The air conditioning and water heating system of the present embodiment is when separate refrigeration, and the 4th electronic valve 24 and the 5th electronic valve 25 are opened, and the 3rd electronic valve 23 and the 6th electronic valve 26 are closed.
The air conditioning and water heating system of the present embodiment is when sub-load refrigeration and water heating are run simultaneously, and the 4th electronic valve 24 is opened, and the 3rd electronic valve 23, the 6th electronic valve 26 and the 5th electronic valve 25 are closed.
Embodiment four
As shown in Figure 3 and Figure 5, the difference of the present embodiment and embodiment one to embodiment three is: the second heat exchanger 6 by heat exchange medium with ground heating system or/and the heat exchange of little temperature difference end heat exchanger, First Heat Exchanger 3 by the first water loop 16 and ground heating system or/and the heat exchange of little temperature difference end heat exchanger; Second heat exchanger 6 passes through the second water loop 15 with ground heating system or/and the heat exchange of little temperature difference end heat exchanger.
First water loop 16 connects described water heater, the first water loop 16 as heat exchange medium, for the heat exchange between described water heater and described First Heat Exchanger 3; Second water loop 15 connects ground heating system or/and fan coil, the second water loop 15 also as heat exchange medium, for described ground heating system or/and heat exchange between fan coil and the second heat exchanger 6.
In the present embodiment, add the first water loop 16 and the second water loop 15, first water loop 16 and First Heat Exchanger 3, first water loop 16 can with external water tank heat exchange.Second water loop 15 and the second heat exchanger 6 heat exchange, the second water loop 15 can give a dinner for a visitor from afar coiler and with room heat exchange.
The air conditioning and water heating system of each embodiment above, employing comprises a two compressors two-stage system in series or adopts separate unit two-stage system, wherein the exhaust condensation temperature correspondence of low-pressure stage compressor heats temperature, the corresponding water heating temperature of exhaust condensation temperature of high pressure stage compressor, refrigerant flow needed for the corresponding water heating of high pressure stage compressor discharge capacity, and low-pressure stage compressor displacement correspondence heat with water heating needed for refrigerant flow.And low-pressure stage compressor is connected by a cross valve with heating between condenser and off-premises station, thus not only realize heating separately, separately water heating, heat and water heating function simultaneously, separate refrigeration, separately water heating, simultaneously refrigeration and water heating function can also be realized, really realize set of system two kinds of functions.First compressor 1 and the second compressor 2 can be a two-stage compressor or a three-stage blower, and the first compressor 1 can be that two compressor parallel connections are formed.Adopt multi-stage compression system and multi-stage condensing system, in multi-stage condensing system: the condensation temperature of a condenser system is determined by water heating; The condensation temperature of a condenser system is determined by outdoor environment temperature when heating or freeze; Condensation temperature is all higher than 20 DEG C, and heat when running with water heating, higher condensation temperature is within the scope of 35-65 DEG C, and lower condensation temperature is within the scope of 20-50 DEG C simultaneously.Multi-stage compression system mesolow stage compressor discharge capacity correspondence should heat with water heating needed for the refrigerant flow of load, the refrigerant flow of load needed for the corresponding water heating of high pressure stage compressor discharge capacity; Low-pressure stage compressor displacement is within the scope of 1-5 with high pressure stage compressor discharge capacity ratio.
With the air conditioning and water heating system of last embodiment, solve heating temperature not identical with water heating temperature time system cloud gray model condensation temperature consistent problem, relieve the coupling between heating temperature and water heating temperature, achieve heating function and water heating function operates in required condensation temperature operating mode simultaneously, thus improve system energy efficiency.
The above embodiment only have expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (13)
1. an air conditioning and water heating system, is characterized in that:
Comprise the first compressor (1), the second compressor (2), First Heat Exchanger (3), the second heat exchanger (6), the 3rd heat exchanger (10), first throttle device (4), the second throttling arrangement (9), the first electronic valve (7) and switching device shifter, described First Heat Exchanger (3) is by heat exchange medium and water-heater heat-exchanging;
Described second compressor (2), described First Heat Exchanger (3), described first throttle device (4), described second throttling arrangement (9), described 3rd heat exchanger (10) and described switching device shifter are connected successively and can be formed the first refrigerating circuit;
Described second compressor (2), described First Heat Exchanger (3), described first throttle device (4), described first electronic valve (7), described second heat exchanger (6) and described switching device shifter are connected successively and can be formed the second refrigerating circuit;
Described first compressor (1), described switching device shifter, described second heat exchanger (6), described first electronic valve (7), described second throttling arrangement (9) and described 3rd heat exchanger (10) are connected successively and can be formed the 3rd refrigerating circuit;
Described switching device shifter is used for the switching between described 3rd refrigerating circuit refrigerating function and heat-production functions.
2. air conditioning and water heating system according to claim 1, is characterized in that:
Described switching device shifter is cross valve (5), described cross valve (5) has first to fourth valve port, described first valve port A connects described second heat exchanger (6), described second valve port B connects the exhaust end of described first compressor (1), described 3rd valve port C connects described 3rd heat exchanger (10), and described 4th valve port D connects the suction end of described first compressor (1).
3. air conditioning and water heating system according to claim 2, is characterized in that:
Also comprise the 3rd compressor (21), 3rd throttling arrangement (17), flash evaporation (18) and the second electronic valve (19), described 3rd compressor (21) is connected between described first compressor (1) and described second compressor (2), described 3rd throttling arrangement (17) is connected between described first throttle device (4) and described second throttling arrangement (9), described flash evaporation (18) is connected between described 3rd throttling arrangement (17) and described second throttling arrangement (9), described second electronic valve (19) is connected between the exhaust end of described flash evaporation (18) and described first compressor (1).
4. air conditioning and water heating system according to claim 3, is characterized in that:
Described first compressor (1), described second compressor (2) and described 3rd compressor (21) are integrated, described first compressor (1) is as first order compressor, described second compressor (2) is as high stage compressor, and described 3rd compressor (21) is as third level compressor.
5. air conditioning and water heating system according to claim 1, is characterized in that:
Described first compressor (1) and described second compressor (2) are integrated, and described first compressor (1) is as first order compressor, and described second compressor (2) is as high stage compressor.
6. air conditioning and water heating system according to claim 1, is characterized in that:
Described switching device shifter comprises the 3rd electronic valve (23), 4th electronic valve (24), 5th electronic valve (25) and the 6th electronic valve (26), described 3rd electronic valve (23) is connected between described second heat exchanger (6) and the exhaust end of described first compressor (1), described 4th electronic valve (24) is connected between described second heat exchanger (6) and the suction end of described first compressor (1), described 5th electronic valve (25) is connected between described 3rd heat exchanger (10) and the exhaust end of described first compressor (1), described 6th electronic valve (26) is connected between described 3rd heat exchanger (10) and the suction end of described first compressor (1).
7. the air conditioning and water heating system according to any one of claim 1-6, is characterized in that:
Also comprise the 7th electronic valve (11), described 7th electronic valve (11) and described second compressor (2) are arranged in parallel.
8. the air conditioning and water heating system according to any one of claim 1-6, is characterized in that:
Described second heat exchanger (6) by heat exchange medium and ground heating system or/and the heat exchange of little temperature difference end heat exchanger.
9. air conditioning and water heating system according to claim 8, is characterized in that:
Also comprise the first water loop (16) and the second water loop (15), described first water loop (16) connects described water heater, described first water loop (16) as heat exchange medium, for the heat exchange between described water heater and described First Heat Exchanger (3);
Described second water loop (15) connects described ground heating system or/and fan coil, described second water loop (15) also as heat exchange medium, for described ground heating system or/and heat exchange between fan coil and described second heat exchanger (6).
10. the air conditioning and water heating system according to any one of claim 1-6, is characterized in that:
The quantity of described first compressor (1) is two or more, and described in two or more, the first compressor (1) is arranged in parallel.
11. air conditioning and water heating systems according to any one of claim 1-6, is characterized in that:
The discharge capacity of described first compressor (1) and described second compressor (2) is 1-5 than scope.
12. air conditioning and water heating systems according to any one of claim 1-6, is characterized in that:
Also be provided with oil equalizing pipe (14) between described first compressor (1) and described second compressor (2), described oil equalizing pipe (14) has been arranged in series the 8th electronic valve (13).
13. air conditioning and water heating systems according to any one of claim 1-6, is characterized in that:
Also comprise fluid reservoir (8), described fluid reservoir (8) is connected between described first throttle device (4) and described second throttling arrangement (9), and described first electronic valve (7) is connected between described fluid reservoir (8) and described second heat exchanger (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520205847.3U CN204593946U (en) | 2015-04-07 | 2015-04-07 | Air-conditioning hot water system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104764249A (en) * | 2015-04-07 | 2015-07-08 | 珠海格力电器股份有限公司 | Air-conditioning hot water system |
| CN113007867A (en) * | 2021-02-09 | 2021-06-22 | 珠海格力电器股份有限公司 | Control method of multi-split air conditioning system |
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2015
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104764249A (en) * | 2015-04-07 | 2015-07-08 | 珠海格力电器股份有限公司 | Air-conditioning hot water system |
| CN113007867A (en) * | 2021-02-09 | 2021-06-22 | 珠海格力电器股份有限公司 | Control method of multi-split air conditioning system |
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