CN203731741U - Air conditioning water heater system - Google Patents

Air conditioning water heater system Download PDF

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Publication number
CN203731741U
CN203731741U CN201420101728.9U CN201420101728U CN203731741U CN 203731741 U CN203731741 U CN 203731741U CN 201420101728 U CN201420101728 U CN 201420101728U CN 203731741 U CN203731741 U CN 203731741U
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China
Prior art keywords
pipeline
air
compressor
water heater
heater system
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CN201420101728.9U
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Chinese (zh)
Inventor
武连发
任小辉
余凯
熊建国
罗亚军
周冰
李立民
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Abstract

The utility model provides an air conditioning water heater system. The air conditioning water heater system comprises air compressors, water heating equipment and/or an indoor unit, a supercooler, an outdoor heat exchanger, a second pipeline, a supercooling loop and an enthalpy spraying loop, wherein the water heating equipment and the indoor unit are connected with the air compressors respectively, the supercooler is connected with second ends of the water heating equipment and/or the indoor unit via a first end of a first pipeline, a first end of the outdoor heat exchanger is connected with a second end of the first pipeline while a second end of the outdoor heat exchanger is connected with the air compressors, the second pipeline passes through the supercooler and has a first end connected with the second end of the first pipeline, the supercooling loop is connected with a second end of the second pipeline and air intakes of the air compressors and provided with a supercooling electromagnetic valve, and the enthalpy spraying loop is connected with the second end of the second pipeline and coolant enthalpy spraying nozzles of the air compressors and provided with enthalpy spraying electromagnetic valves and enthalpy spraying capillary pipes. The 'enthalpy spraying loop' or the 'supercooling loop' can be selected to be opened according to different operation modes of a water heater system, systematic operation is optimized, a mass flow rate is increased, heating capacity is increased, and heating capability is improved.

Description

Air-conditioning water heater system
Technical field
The utility model relates to heating-cooling equipment field, in particular to a kind of air-conditioning water heater system.
Background technology
Existing combined air conditioners hot water machine generally adopts common frequency-changeable compressor.This system schema is under low ambient temperature, and the decay of compressor heating capacity is larger.Existing scheme (adopting common frequency-changeable compressor) is under low ambient temperature, if when user takes " heat+water heating of standard-sized sheet " pattern, the decay of heating capacity is larger, water heating speed is slower, and user's result of use is not good enough.If now open electrical heating auxiliary heating water, can cause again power consumption to increase.
Utility model content
The utility model aims to provide a kind of air-conditioning water heater system, larger to solve the decay of prior art hollow modulation hot water facility heating capacity under low ambient temperature, the slow problem of water heating.
To achieve these goals, the utility model provides a kind of air-conditioning water heater system, comprising: one or more compressor; Water heating equipment and/or indoor set, the first end of water heating equipment is connected with compressor respectively with the first end of indoor set; Subcooler, the first end of the first pipeline of the subcooler of flowing through is connected with the second end of the second end of water heating equipment and/or indoor set; Outdoor heat exchanger, first end connects the second end of the first pipeline, and the second end connects compressor; Flow through the second pipeline of subcooler, first end connects the second end of the first pipeline of the subcooler of flowing through; Cross cold loop, connect the second end of the second pipeline and the air entry of compressor; Spray enthalpy loop, connects the second end of the second pipeline and the refrigerant of compressor spray enthalpy mouth; Wherein, in spray enthalpy loop, there is spray enthalpy magnetic valve and spray enthalpy capillary, cross in cold loop and there is cold magnetic valve.
Further, in the second pipeline, be provided with subcooler electric expansion valve.
Further, also comprise the first cross valve being connected with compressor and the second cross valve; Wherein, the first end of indoor set connects the first cross valve, and the second end of outdoor heat exchanger connects the second cross valve.
Further, also comprise that gs-oil separator is arranged in the pipeline between compressor and the first end of water heating equipment and the first end of indoor set.
Further, also comprise that oil balancer is arranged in the pipeline between gs-oil separator and the first end of water heating equipment and the first end of indoor set.
Further, also comprise that vapour liquid separator was arranged in the pipeline between subcooler and the compressor air suction mouth of cold loop.
Further, also comprise that the first electric expansion valve is arranged in the pipeline between subcooler and outdoor heat exchanger.
Further, compressor is frequency conversion air injection enthalpy-increasing compressor.
Further, water-heating machine system comprises many frequency conversion air injection enthalpy-increasing compressors in parallel, and in spray enthalpy loop, corresponding every compressor arranges one and comprises spray enthalpy magnetic valve and the shunt capillaceous of spray enthalpy.
Application the technical solution of the utility model, air-conditioning water heater system, according to the difference of unit operation pattern, can select to open " spray enthalpy loop " or " crossing cold loop ", has optimized system operation, has increased mass flow, has improved heating capacity, has improved heating capacity.
Brief description of the drawings
The Figure of description that forms the application's a part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows the system diagram of water-heating machine system of the present utility model; And
Fig. 2 shows the service chart of heating of the utility model water-heating machine system or " heating+water heating " pattern; And
Fig. 3 shows the service chart of refrigeration or " refrigeration+water heating " pattern of the utility model water-heating machine system.
Detailed description of the invention
It should be noted that, in the situation that not conflicting, the feature in embodiment and embodiment in the application can combine mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.
The utility model provides a kind of ultralow temperature combined air conditioners water-heating machine system that adopts frequency conversion spray enthalpy technology, is mainly to have designed the multi-joint water-heating machine system using under a brand-new applicable ultra-low temperature surroundings.System of the present utility model has adopted frequency conversion spray enthalpy compressor, and has designed the multi-joint hot-water heating system that comprises " ultralow temperature spray enthalpy loop " and " crossing cold loop ".Well solve at low temperatures user's heating capacity excessive problem that decays while opening " heating+water heating " pattern, ensured that user also can have good result of use at low temperatures, and reduced power consumption." cross cold loop " simultaneously and can ensure that again user, in the time of " refrigeration " or " refrigeration+water heating " pattern of unlatching, has enough degree of supercoolings from off-premises station refrigerant out.
An embodiment of the present utility model is as follows:
Shown in Figure 1, combined air conditioners water-heating machine system comprises two frequency conversion air injection enthalpy-increasing compressors.The exhaust outlet of two compressors connects respectively the first oil content 22 and the second oil content 23, the outlet of two gs-oil separators connects oil balancer 24, the outlet of oil balancer 24 connects and is divided into two-way, and a road connects chilled water heat-exchange apparatus, and another road connects the first cross valve 25 and the second cross valve 26.The another port of the first cross valve 25 connects indoor set.The pipeline returning with indoor set from chilled water heat-exchange apparatus is connected subcooler 29, this pipeline is the first pipeline through subcooler 29, the first pipeline is divided into two-way through after subcooler 29, one road flow through connect the first electric expansion valve 28 enter outdoor heat exchanger 27, the other end of outdoor heat exchanger 27 connects the second cross valve 26, a port of the first cross valve 25 and the second cross valve 26 is connected vapour and divides 30(vapour liquid separator), vapour divides 30 the other end towards compressor air suction mouth, simultaneously, another road through subcooler 29 is the second pipeline, the second pipeline is by passing subcooler 29 after subcooler electric expansion valve 50, again be divided into afterwards two-way, one road stream leads to vapour through cold magnetic valve 55 and divides 30, another road leads to the first spray enthalpy magnetic valve 51 in parallel and the second spray enthalpy magnetic valve 52, the first spray enthalpy capillary 53 and the second spray enthalpy capillary 54 are connected with the first spray enthalpy magnetic valve 51 and the second spray enthalpy magnetic valve 52 respectively, the spray enthalpy magnetic valve of flowing through sprays enthalpy mouth with the refrigerant that spray enthalpy pipeline capillaceous leads to compressor.
The first Implementation Modes: open " heating+water heating " or " heating " pattern.
Under this pattern, one or more frequency conversion spray enthalpy compressor (frequency conversion air injection enthalpy-increasing compressor) start operation, the first compressor 20, the high-temperature high-pressure refrigerant gas (Fig. 2 state point 3) that the second compressor 21 is discharged is through the first oil content 22(gs-oil separator), the second oil content 23 carries out after first order Oil-gas Separation, carry out second level Oil-gas Separation through oil balancer 24 again, enter afterwards chilled water heat-exchange apparatus (feedwater heating) or enter indoor set (to indoor air heat) through the first cross valve 25, cold-producing medium goes out the liquid (Fig. 2 state point 4 ') that becomes medium temperature and medium pressure after indoor set.Cold-producing medium is from indoor set flows back to off-premises station, first through subcooler 29 excessively cold (Fig. 2 state point 5), divide afterwards two-way, the first via is changed to liquid-vapor mixture (Fig. 2 state point 5 ' of low-temp low-pressure after the first electric expansion valve 28 throttlings, quality m2), enter afterwards outdoor heat exchanger 27 and carry out evaporation endothermic, divide 30 to be reduced to the gas (Fig. 2 state point 2) of middle super pressure-high temperature to compressor air suction mouth (Fig. 2 state point 1) pressure of inspiration(Pi) through the second cross valve 26, vapour afterwards.Other the second road cold-producing medium after subcooler 29 is excessively cold, after subcooler electric expansion valve 50 and subcooler 29, again through the first spray enthalpy magnetic valve 51 and the first spray enthalpy capillary 53, or second spray enthalpy magnetic valve 52 and the second spray enthalpy capillary 54, become gas (Fig. 2 state point 6 of pressing in high temperature, quality m1), the refrigerant that enters afterwards compressor sprays enthalpy mouth.Now, crossing cold magnetic valve 55 closes.In compressor compresses chamber, the refrigerant gas (Fig. 2 state point 2, state point 6) of pressing in two-way high temperature, is mixed into the gas (Fig. 2 state point 2 ') of pressing in high temperature, then by the gas of compressor boil down to HTHP (Fig. 2 state point 3, quality is m), has completed a circulation.The refrigerant quality m=m1+m2 discharging from compressor, the quality m2 that sucks than compressor air entry the is many m1 entering from refrigerant spray enthalpy mouth, has namely increased mass flow, so improved heating capacity.In addition, if do not spray enthalpy, the delivery temperature of compressor is state point 3 ' in Fig. 2, has after spray enthalpy, and compressor exhaust temperature is reduced to state point 3 in Fig. 2, has improved thus the reliability of compressor.
The second Implementation Modes: open " refrigeration " or " refrigeration+water heating " pattern.
Under this pattern, one or more frequency conversion spray enthalpy compressor start operation, the high-temperature high-pressure refrigerant gas (Fig. 3 state point 3) that the first compressor 20, the second compressor 21 are discharged carries out after first order Oil-gas Separation through oil content (the first oil content 22 or the second oil content 23), carry out second level Oil-gas Separation through oil balancer 24 again, enter afterwards chilled water heat-exchange apparatus (feedwater heating) and enter outdoor heat exchanger 27 through the second cross valve 26 and carry out condensation heat radiation, go out the liquid (Fig. 3 state point 4) that becomes middle temperature high pressure after outdoor heat exchanger 27, divide afterwards two-way.The first via (Fig. 3 state point 5) after subcooler 29 is excessively cold enters indoor set again, (Fig. 3 state point 5 ') evaporation endothermic again after the throttling of indoor set electric expansion valve, get back to afterwards off-premises station, after the first cross valve 25 (Fig. 3 state point 6, quality m2), with the second tunnel (from subcooler electric expansion valve 50 and subcooler 29 and cross cold magnetic valve 55 comes) refrigerant mixed.Above-mentioned the second road cold-producing medium is through subcooler electric expansion valve 50 throttlings (Fig. 3 state point 4 '), after subcooler 29 evaporation endothermics, (Fig. 3 state point 6 ' after crossing cold magnetic valve 55 again, quality m1), with the first via (coming from indoor set and cross valve 25) refrigerant mixed.Now, the first spray enthalpy magnetic valve 51 and the second spray enthalpy magnetic valve 52 are closed.The mixed cold-producing medium of two-way enters vapour and divides 30(vapour liquid separator) to compressor air suction mouth (Fig. 3 state point 1).Then through compressor compression, become the gas (Fig. 3 state point 3, quality is m=m1+m2) of HTHP, completed a circulation.Through subcooler electric expansion valve 50 and through subcooler 29 with cross cold magnetic valve 55Zhe road and " cross cold loop ", ensure that user, in the time of " refrigeration " or " refrigeration+water heating " pattern of unlatching, has enough degree of supercoolings from off-premises station refrigerant out.
System of the present utility model, according to the difference of unit operation pattern, can select to open " ultralow temperature spray enthalpy loop " or " crossing cold loop ".Heat or " heating+water heating " pattern under open " ultralow temperature spray enthalpy loop ", under refrigeration or " refrigeration+water heating " pattern, open " crossing cold loop ", optimized system operation.The combination design capillaceous of spray enthalpy magnetic valve and spray enthalpy, the cold-producing medium that has ensured to enter compressor refrigerant spray enthalpy mouth is all pure gas, has prevented compressor hydraulic compression.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.

Claims (9)

1. air-conditioning water heater system, comprising:
One or more compressor;
Water heating equipment and/or indoor set, the first end of described water heating equipment is connected with described compressor respectively with the first end of described indoor set;
It is characterized in that, also comprise,
Subcooler (29), the first end of the first pipeline of the described subcooler (29) of flowing through and the second end of the second end of described water heating equipment and/or described indoor set are connected;
Outdoor heat exchanger (27), first end connects the second end of described the first pipeline, and the second end connects described compressor;
Flow through the second pipeline of described subcooler (29), first end connects the second end of the first pipeline of the described subcooler (29) of flowing through;
Cross cold loop, connect the second end of described the second pipeline and the air entry of compressor;
Spray enthalpy loop, connects the second end of described the second pipeline and the refrigerant of described compressor spray enthalpy mouth;
Wherein, have spray enthalpy magnetic valve (51,52) and spray enthalpy capillary (53,54) in described spray enthalpy loop, described mistake in cold loop had cold magnetic valve (55).
2. air-conditioning water heater system according to claim 1, is characterized in that, is provided with subcooler electric expansion valve (50) in described the second pipeline.
3. air-conditioning water heater system according to claim 1, is characterized in that, also comprises, the first cross valve (25) being connected with described compressor and the second cross valve (26); Wherein, the first end of described indoor set connects described the first cross valve (25), and the second end of described outdoor heat exchanger (27) connects described the second cross valve (26).
4. air-conditioning water heater system according to claim 3, is characterized in that, also comprises, gs-oil separator (22,23), is arranged in the pipeline between described compressor and the first end of described water heating equipment and the first end of described indoor set.
5. air-conditioning water heater system according to claim 4, is characterized in that, also comprises that oil balancer (24) is arranged in the pipeline between described gs-oil separator (22,23) and the first end of described water heating equipment and the first end of described indoor set.
6. air-conditioning water heater system according to claim 1, is characterized in that, also comprises that vapour liquid separator (30) is arranged in the pipeline between described subcooler (29) and the described compressor air suction mouth of crossing cold loop.
7. air-conditioning water heater system according to claim 1, is characterized in that, also comprises that the first electric expansion valve (28) is arranged in the pipeline between described subcooler (29) and described outdoor heat exchanger (27).
8. air-conditioning water heater system according to claim 1, is characterized in that, described compressor is frequency conversion air injection enthalpy-increasing compressor.
9. air-conditioning water heater system according to claim 1, it is characterized in that, described water-heating machine system comprises many frequency conversion air injection enthalpy-increasing compressors in parallel, and in described spray enthalpy loop, corresponding every compressor arranges a shunt that comprises spray enthalpy magnetic valve (51,52) and spray enthalpy capillary (53,54).
CN201420101728.9U 2014-03-06 2014-03-06 Air conditioning water heater system Active CN203731741U (en)

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Application Number Priority Date Filing Date Title
CN201420101728.9U CN203731741U (en) 2014-03-06 2014-03-06 Air conditioning water heater system

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Application Number Priority Date Filing Date Title
CN201420101728.9U CN203731741U (en) 2014-03-06 2014-03-06 Air conditioning water heater system

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CN203731741U true CN203731741U (en) 2014-07-23

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104896793A (en) * 2014-03-06 2015-09-09 珠海格力电器股份有限公司 Air conditioning hot water heater system
CN111895675A (en) * 2020-07-24 2020-11-06 苏州浪潮智能科技有限公司 Air conditioning system of heat recovery data center
CN112297769A (en) * 2020-11-05 2021-02-02 华南理工大学 All-weather electric automobile heat pump air-conditioning system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104896793A (en) * 2014-03-06 2015-09-09 珠海格力电器股份有限公司 Air conditioning hot water heater system
CN111895675A (en) * 2020-07-24 2020-11-06 苏州浪潮智能科技有限公司 Air conditioning system of heat recovery data center
CN112297769A (en) * 2020-11-05 2021-02-02 华南理工大学 All-weather electric automobile heat pump air-conditioning system

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