CN102914013A - Hot-water air-conditioning system and operation method thereof - Google Patents

Hot-water air-conditioning system and operation method thereof Download PDF

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Publication number
CN102914013A
CN102914013A CN2012104710104A CN201210471010A CN102914013A CN 102914013 A CN102914013 A CN 102914013A CN 2012104710104 A CN2012104710104 A CN 2012104710104A CN 201210471010 A CN201210471010 A CN 201210471010A CN 102914013 A CN102914013 A CN 102914013A
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China
Prior art keywords
cross valve
valve
gas
water
compressor
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN2012104710104A
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Chinese (zh)
Inventor
赵宇开
刘金涛
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Hisense Shandong Air Conditioning Co Ltd
Original Assignee
Hisense Shandong Air Conditioning Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
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Priority to CN2012104710104A priority Critical patent/CN102914013A/en
Publication of CN102914013A publication Critical patent/CN102914013A/en
Pending legal-status Critical Current

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Abstract

The invention provides a hot-water air-conditioning system and an operation method thereof. The hot-water air-conditioning system comprises an outdoor machine, an indoor machine and a water heater, wherein the outdoor machine also comprises a second four-way valve, a first unidirectional valve and a second unidirectional valve; the outlet of the compressor is connected with the inlet of the second four-way valve; three outlets of the second four-way valve are respectively connected with the gas-liquid separator, the inlet of the first unidirectional valve and the inlet of a water heater coil pipe; the outlet of the first unidirectional valve is connected with the inlet of the first four-way valve; the outlet of the water heater coil pipe is connected with the inlet of the second unidirectional valve; and the outlet of the second unidirectional valve is connected to a pipeline between the first unidirectional valve and the first four-way valve. The energy consumption of the hot-water air-conditioning system is lowered, and the control process of the hot-water air-conditioning system is simplified.

Description

Hot water air-conditioning system and method for work thereof
Technical field
The present invention relates to technical field of heat pumps, relate in particular to a kind of hot water air-conditioning system and method for work thereof.
Background technology
Along with technical development, human demand to the energy is more and more, and energy resource consumption is also appeared suddenly increasingly on the impact of environment, and people's energy-saving and emission-reduction understanding improves constantly.Because air-conditioning is convenient to install, uses and is managed, refrigeration, heat-production functions are many, can match flexibly, widely market prospects are arranged, and adopted by increasing family, office and enterprise.Air-conditioning divides air-cooled unit and water chiller two classes, and for the hot-water air-conditioning that adopts water chiller, hot-water air-conditioning generally includes off-premises station and indoor set, is widely used in because of its tool environmental protection, high-comfort and low cost in the place such as office building.Current, most hot-water air-conditioning only has the refrigeration in summer, heats to regulate the simple function of indoor air temperature winter, and the heat that summer, hot-water air-conditioning produced in process of refrigerastion is discharged in the outside atmosphere, causes the waste of outdoor air thermal pollution and the energy.Meanwhile, there are the family of hot-water air-conditioning and office space also to need to buy in addition water heater to solve the hot water for life problem, increase cost, and electric heater, large, the poor stability of gas heater energy consumption.At present many hot-water air-conditionings with the water heating function also occur, but only limit to when air conditioner refrigerating, utilize the waste heat of hot-water air-conditioning refrigerant to come heating water, then need in the winter time to carry out the operational mode switching and carry out independent water heating or heat separately room temperature.Therefore, the hot-water air-conditioning of water heating function of the prior art only can utilize the water in the temperature heating water heater of refrigerant of compressor output, and its overall energy consumption is still higher and control procedure is complicated.
Summary of the invention
The invention provides a kind of hot water air-conditioning system and method for work thereof, in order to the hot-water air-conditioning energy consumption height that solves water heating function of the prior art and the defective of control procedure complexity, realize that the energy consumption that reduces hot water air-conditioning system also simplifies its control procedure.
The invention provides a kind of hot water air-conditioning system, comprise off-premises station, indoor set and water heater, described off-premises station comprises compressor, the first cross valve, condenser and gas-liquid separator, and described indoor set comprises evaporimeter; Three outlets of described the first cross valve respectively with described condenser, described gas-liquid separator be connected evaporimeter and connect, described gas-liquid separator is connected with the import of described compressor, described condenser is connected with described evaporimeter by throttling arrangement, described water heater comprises water tank and the water heater coil pipe that is arranged in the described water tank, described off-premises station also comprises the second cross valve, the first check valve and the second check valve, the outlet of described compressor is connected with the import of described the second cross valve, three outlets of described the second cross valve respectively with described gas-liquid separator, the import of described the first check valve be connected the import of water heater coil pipe and connect, the outlet of described the first check valve is connected with the import of described the first cross valve, the outlet of described water heater coil pipe is connected with the import of described the second check valve, and the outlet of described the second check valve is connected on the pipeline between described the first check valve and described the first cross valve.
Hot water air-conditioning system provided by the invention is introduced in the water heater with the water in the heating water tank by the second cross valve by the HTHP refrigerant that will export from compressor, is then continuing to circulate by the first cross valve; Under refrigeration mode, can effectively utilize the water in the heat heating water tank of HTHP refrigerant of compressor output, make the HTHP refrigerant first through entering into again the further heat exchange cooling of condenser after the water heater cooling, effectively raise refrigerating efficiency and reduced energy consumption; Under heating mode, the HTHP refrigerant of compressor output is introduced into water heater and enters into indoor set again, can be when heating water heating, heat and carry out simultaneously with water heating and need not to adopt complicated control system, effectively simplified the hot water air-conditioning system control procedure.
Further, described water heater also comprises expansion drum, safety valve and air bleeding valve, and described expansion drum, described safety valve and described air bleeding valve are connected on the described water tank.
Further, be provided with the first stop valve between described indoor set and the described off-premises station.
Further, be provided with the second stop valve between described water heater and the described off-premises station.
1., refrigeration+water heating pattern the present invention also provides a kind of method of work of hot water air-conditioning system, and described method comprises following operational mode:; 2., heat+the water heating pattern; 3., single refrigeration mode; 4., single heating mode.
Further, the concrete operation of refrigeration+water heating pattern is as follows: the second cross valve is opened, the first cross valve is closed, the high temperature and high pressure gas that compressor operating is discharged enters in the water heater coil pipe by the second cross valve, behind the water in the heating water tank, enters the first cross valve through the second check valve, enter again further cooling in the condenser, carry out heat exchange by entering evaporimeter after the throttling arrangement throttling, become the gas of low-temp low-pressure, get back in the compressor through the first cross valve and gas-liquid separator again.
Further, heat+the concrete operation of water heating pattern is as follows: the second cross valve is opened, the first cross valve is opened, the high temperature and high pressure gas that compressor is discharged enters in the water heater coil pipe through the second cross valve, behind the water in the heating water tank, enter the first cross valve through the second check valve, enter again and carry out heat exchange in the evaporimeter, cold-producing medium after the heat exchange becomes middle temperature highly pressurised liquid, by arriving again the condenser heat exchange after the throttling arrangement throttling, become the gas of low-temp low-pressure, get back in the compressor through gas-liquid separator again.
Further, the concrete operation of single refrigeration mode is as follows: the second cross valve is closed, the first cross valve is closed, the high temperature and high pressure gas that compressor operating is discharged is by the second cross valve and the first check valve, enter the first cross valve, enter in the condenser again and cool off, carry out heat exchange by entering evaporimeter after the throttling arrangement throttling, become the gas of low-temp low-pressure, get back in the compressor through the first cross valve and gas-liquid separator again.
Further, the concrete operation of single heating mode is as follows: the second cross valve is closed, the first cross valve is opened, the high temperature and high pressure gas that compressor is discharged enters the first cross valve through the second cross valve and the first check valve, enter and carry out heat exchange in the evaporimeter, the cold-producing medium after the heat exchange becomes middle temperature highly pressurised liquid, by arriving the condenser heat exchange after the throttling arrangement throttling again, become the gas of low-temp low-pressure, get back in the compressor through gas-liquid separator again.
The method of work of hot water air-conditioning system provided by the invention is introduced in the water heater with the water in the heating water tank by the second cross valve by the HTHP refrigerant that will export from compressor, is then continuing to circulate by the first cross valve; Under refrigeration mode, can effectively utilize the water in the heat heating water tank of HTHP refrigerant of compressor output, make the HTHP refrigerant first through entering into again the further heat exchange cooling of condenser after the water heater cooling, effectively raise refrigerating efficiency and reduced energy consumption; Under heating mode, the HTHP refrigerant of compressor output is introduced into water heater and enters into indoor set again, can be when heating water heating, heat and carry out simultaneously with water heating and need not to adopt complicated control system, effectively simplified the hot water air-conditioning system control procedure.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do one to the accompanying drawing of required use in embodiment or the description of the Prior Art and introduce simply, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of hot water air-conditioning system embodiment of the present invention.
As shown in Figure 1, off-premises station 1, indoor set 2, water heater 3, compressor 11, the first cross valve 12, condenser 13, gas-liquid separator 14, the second cross valve 15, the first check valve 161, the second check valve 162, throttling arrangement 17, evaporimeter 21, water tank 31, water heater coil pipe 32, expansion drum 33, safety valve 34, air bleeding valve 35, the first stop valve 41, the second stop valve 42.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further details.
As shown in Figure 1, the present embodiment hot water air-conditioning system comprises off-premises station 1, indoor set 2 and water heater 3, and off-premises station 1 comprises compressor 11, the first cross valve 12, condenser 13 and gas-liquid separator 14, and indoor set 2 comprises evaporimeter 21; Three outlets of the first cross valve 12 respectively with condenser 13, evaporimeter 21 is connected connection with gas-liquid separator, gas-liquid separator 14 is connected with the import of compressor 11, condenser 13 is connected with evaporimeter 21 by throttling arrangement 17, water heater 3 comprises water tank 31 and the water heater coil pipe 32 that is arranged in the water tank 31, described off-premises station 1 also comprises the second cross valve 15, the first check valve 161 and the second check valve 162, the outlet of compressor 11 is connected with the import of the second cross valve 15, three outlets of the second cross valve 15 respectively with gas-liquid separator 14, the import that the import of the first check valve 161 is connected with the water heater coil pipe connects, the outlet of the first check valve 161 is connected with the import of the first cross valve 12, the outlet of water heater coil pipe 32 is connected with the import of the second check valve 162, and the outlet of the second check valve 162 is connected on the pipeline between the first check valve 161 and the first cross valve 12.Wherein, the water heater 3 in the present embodiment can also comprise expansion drum 33, safety valve 34 and air bleeding valve 35, and expansion drum 33, safety valve 34 and air bleeding valve 35 are connected on the water tank 31.In addition, be provided with the first stop valve 41 between indoor set 2 and the off-premises station 1, be provided with the second stop valve 42 between water heater 3 and the off-premises station 1.
The HTHP refrigerant of compressor 11 outputs directly enters into the water heater coil pipe 32 of water heater 3 with the water of heating water tank 31 by the second cross valve 15 in the present embodiment hot water air-conditioning system, is transported in the first cross valve 12 by the second check valve 162 and circulates normally.Power on/off by independent control the second cross valve 15, the HTHP refrigerant that can control compressor 11 outputs is introduced into water heater 3 and carries out heat exchange, then entering into the parts such as condenser 13 and indoor set 2 by the first cross valve 12, thereby need not to increase too much magnetic valve, effectively simplify whole control structure, reduced the manufacturing cost of present embodiment hot water air-conditioning system.Under refrigeration+water heating pattern, can effectively utilize the heat of the HTHP refrigerant of compressor 11 outputs by water heater 3, realize first the HTHP refrigerant being lowered the temperature, carry out heat exchange by condenser 13 again, the heat that water heater 3 takes full advantage of the HTHP refrigerant carries out heat hot water, thereby effectively raises the refrigerating efficiency of present embodiment hot water air-conditioning system and effectively reduce energy consumption.Under heating mode, the HTHP refrigerant of compressor 11 outputs passes through water heater 3 and indoor set 2 successively, thereby realize simultaneously heat hot water and the effect that heats, because the HTHP refrigerant of compressor 11 outputs just can be finished heat hot water and heat in the process that circulates work, need not to adopt complicated control system, effectively simplified the control procedure of present embodiment hot water air-conditioning system.By expansion drum 33, safety valve 34 and air bleeding valve 35 are set, can effectively improve the security performance of water heater 3, and improve the water heating efficient of water heater 3.And the first stop valve 41 and the second stop valve 42 can make things convenient for the user in case of emergency, block stream between indoor set 2 and water heater 3 and the off-premises station 1 by the first stop valve 41 and the second stop valve 42.
The present embodiment hot water air-conditioning system is introduced in the water heater with the water in the heating water tank by the second cross valve by the HTHP refrigerant that will export from compressor, is then continuing to circulate by the first cross valve; Under refrigeration mode, can effectively utilize the water in the heat heating water tank of HTHP refrigerant of compressor output, make the HTHP refrigerant first through entering into again the further heat exchange cooling of condenser after the water heater cooling, effectively raise refrigerating efficiency and reduced energy consumption; Under heating mode, the HTHP refrigerant of compressor output is introduced into water heater and enters into indoor set again, can be when heating water heating, heat and carry out simultaneously with water heating and need not to adopt complicated control system, effectively simplified the hot water air-conditioning system control procedure.
The present invention also provides a kind of method of work of hot water air-conditioning system, and method comprises following operational mode:
1., refrigeration+water heating pattern; 2., heat+the water heating pattern; 3., single refrigeration mode; 4., single heating mode.
1., the concrete operation of refrigeration+water heating pattern is as follows: the second cross valve is opened, the first cross valve is closed, the high temperature and high pressure gas that compressor operating is discharged enters in the water heater coil pipe by the second cross valve, behind the water in the heating water tank, enter the first cross valve through the second check valve, enter again further cooling in the condenser, carry out heat exchange by entering evaporimeter after the throttling arrangement throttling, become the gas of low-temp low-pressure, get back in the compressor through the first cross valve and gas-liquid separator again.
2., heat+the concrete operation of water heating pattern is as follows: the second cross valve is opened, the first cross valve is opened, the high temperature and high pressure gas that compressor is discharged enters in the water heater coil pipe through the second cross valve, behind the water in the heating water tank, enter the first cross valve through the second check valve, enter again and carry out heat exchange in the evaporimeter, cold-producing medium after the heat exchange becomes middle temperature highly pressurised liquid, by arriving again the condenser heat exchange after the throttling arrangement throttling, become the gas of low-temp low-pressure, get back in the compressor through gas-liquid separator again.
3., the concrete operation of single refrigeration mode is as follows: the second cross valve is closed, the first cross valve is closed, the high temperature and high pressure gas that compressor operating is discharged is by the second cross valve and the first check valve, enter the first cross valve, enter in the condenser again and cool off, carry out heat exchange by entering evaporimeter after the throttling arrangement throttling, become the gas of low-temp low-pressure, get back in the compressor through the first cross valve and gas-liquid separator again.
4., the concrete operation of single heating mode is as follows: the second cross valve is closed, the first cross valve is opened, the high temperature and high pressure gas that compressor is discharged enters the first cross valve through the second cross valve and the first check valve, enter again and carry out heat exchange in the evaporimeter, cold-producing medium after the heat exchange becomes middle temperature highly pressurised liquid, by arriving again the condenser heat exchange after the throttling arrangement throttling, become the gas of low-temp low-pressure, get back in the compressor through gas-liquid separator again.
The method of work of present embodiment hot water air-conditioning system is introduced in the water heater with the water in the heating water tank by the second cross valve by the HTHP refrigerant that will export from compressor, is then continuing to circulate by the first cross valve; Under refrigeration mode, can effectively utilize the water in the heat heating water tank of HTHP refrigerant of compressor output, make the HTHP refrigerant first through entering into again the further heat exchange cooling of condenser after the water heater cooling, effectively raise refrigerating efficiency and reduced energy consumption; Under heating mode, the HTHP refrigerant of compressor output is introduced into water heater and enters into indoor set again, can be when heating water heating, heat and carry out simultaneously with water heating and need not to adopt complicated control system, effectively simplified the hot water air-conditioning system control procedure.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.

Claims (9)

1. a hot water air-conditioning system comprises off-premises station, indoor set and water heater, and described off-premises station comprises compressor, the first cross valve, condenser and gas-liquid separator, and described indoor set comprises evaporimeter; Three outlets of described the first cross valve respectively with described condenser, described gas-liquid separator be connected evaporimeter and connect, described gas-liquid separator is connected with the import of described compressor, described condenser is connected with described evaporimeter by throttling arrangement, described water heater comprises water tank and the water heater coil pipe that is arranged in the described water tank, it is characterized in that, described off-premises station also comprises the second cross valve, the first check valve and the second check valve, the outlet of described compressor is connected with the import of described the second cross valve, three outlets of described the second cross valve respectively with described gas-liquid separator, the import of described the first check valve be connected the import of water heater coil pipe and connect, the outlet of described the first check valve is connected with the import of described the first cross valve, the outlet of described water heater coil pipe is connected with the import of described the second check valve, and the outlet of described the second check valve is connected on the pipeline between described the first check valve and described the first cross valve.
2. hot water air-conditioning system according to claim 1 is characterized in that, described water heater also comprises expansion drum, safety valve and air bleeding valve, and described expansion drum, described safety valve and described air bleeding valve are connected on the described water tank.
3. hot water air-conditioning system according to claim 1 and 2 is characterized in that, is provided with the first stop valve between described indoor set and the described off-premises station.
4. hot water air-conditioning system according to claim 1 and 2 is characterized in that, is provided with the second stop valve between described water heater and the described off-premises station.
5. method of work such as the arbitrary described hot water air-conditioning system of claim 1-4,1., refrigeration+water heating pattern it is characterized in that: described method comprises following operational mode:; 2., heat+the water heating pattern; 3., single refrigeration mode; 4., single heating mode.
6. the method for work of hot water air-conditioning system according to claim 5, it is characterized in that, the concrete operation of refrigeration+water heating pattern is as follows: the second cross valve is opened, the first cross valve is closed, the high temperature and high pressure gas that compressor operating is discharged enters in the water heater coil pipe by the second cross valve, behind the water in the heating water tank, enter the first cross valve through the second check valve, enter again further cooling in the condenser, carry out heat exchange by entering evaporimeter after the throttling arrangement throttling, become the gas of low-temp low-pressure, get back in the compressor through the first cross valve and gas-liquid separator again.
7. the method for work of hot water air-conditioning system according to claim 5, it is characterized in that, heat+the concrete operation of water heating pattern is as follows: the second cross valve is opened, the first cross valve is opened, the high temperature and high pressure gas that compressor is discharged enters in the water heater coil pipe through the second cross valve, behind the water in the heating water tank, enter the first cross valve through the second check valve, enter again and carry out heat exchange in the evaporimeter, cold-producing medium after the heat exchange becomes middle temperature highly pressurised liquid, by arriving again the condenser heat exchange after the throttling arrangement throttling, become the gas of low-temp low-pressure, get back in the compressor through gas-liquid separator again.
8. the method for work of hot water air-conditioning system according to claim 5, it is characterized in that, the concrete operation of single refrigeration mode is as follows: the second cross valve is closed, the first cross valve is closed, and the high temperature and high pressure gas that compressor operating is discharged enters the first cross valve by the second cross valve and the first check valve, enter in the condenser again and cool off, carry out heat exchange by entering evaporimeter after the throttling arrangement throttling, become the gas of low-temp low-pressure, get back in the compressor through the first cross valve and gas-liquid separator again.
9. the method for work of hot water air-conditioning system according to claim 5, it is characterized in that, the concrete operation of single heating mode is as follows: the second cross valve is closed, the first cross valve is opened, the high temperature and high pressure gas that compressor is discharged enters the first cross valve through the second cross valve and the first check valve, enter again and carry out heat exchange in the evaporimeter, cold-producing medium after the heat exchange becomes middle temperature highly pressurised liquid, by arriving again the condenser heat exchange after the throttling arrangement throttling, become the gas of low-temp low-pressure, get back in the compressor through gas-liquid separator again.
CN2012104710104A 2012-11-20 2012-11-20 Hot-water air-conditioning system and operation method thereof Pending CN102914013A (en)

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CN2012104710104A CN102914013A (en) 2012-11-20 2012-11-20 Hot-water air-conditioning system and operation method thereof

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106225177A (en) * 2016-08-25 2016-12-14 珠海格力电器股份有限公司 Air-conditioner and water heater integration control method, Apparatus and system
CN106871292A (en) * 2017-03-01 2017-06-20 武汉崇文新科技有限公司 A kind of air conditioner and heating water system
CN105020936B (en) * 2014-04-17 2017-09-05 Tcl空调器(中山)有限公司 Air-conditioner heat pump hot-water system
CN110925921A (en) * 2019-12-17 2020-03-27 惠州市江明机电科技有限公司 Energy-saving cold and warm double supply system
CN111121200A (en) * 2019-12-31 2020-05-08 海信(山东)空调有限公司 Air conditioning system
CN111692639A (en) * 2020-06-29 2020-09-22 广东积微科技有限公司 Multi-connected heat recovery air conditioning system and control method thereof

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Publication number Priority date Publication date Assignee Title
CN102410669A (en) * 2011-11-25 2012-04-11 海信(山东)空调有限公司 Multi-connected air conditioner system for directly heating water by using compressor and working method of multi-connected air conditioner system
CN102425885A (en) * 2011-11-25 2012-04-25 海信(山东)空调有限公司 Air-conditioning system with compressor directly heating hot water, and working method thereof
CN202902529U (en) * 2012-11-20 2013-04-24 海信(山东)空调有限公司 Hot water air conditioning system

Patent Citations (3)

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Publication number Priority date Publication date Assignee Title
CN102410669A (en) * 2011-11-25 2012-04-11 海信(山东)空调有限公司 Multi-connected air conditioner system for directly heating water by using compressor and working method of multi-connected air conditioner system
CN102425885A (en) * 2011-11-25 2012-04-25 海信(山东)空调有限公司 Air-conditioning system with compressor directly heating hot water, and working method thereof
CN202902529U (en) * 2012-11-20 2013-04-24 海信(山东)空调有限公司 Hot water air conditioning system

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105020936B (en) * 2014-04-17 2017-09-05 Tcl空调器(中山)有限公司 Air-conditioner heat pump hot-water system
CN106225177A (en) * 2016-08-25 2016-12-14 珠海格力电器股份有限公司 Air-conditioner and water heater integration control method, Apparatus and system
CN106871292A (en) * 2017-03-01 2017-06-20 武汉崇文新科技有限公司 A kind of air conditioner and heating water system
CN110925921A (en) * 2019-12-17 2020-03-27 惠州市江明机电科技有限公司 Energy-saving cold and warm double supply system
CN111121200A (en) * 2019-12-31 2020-05-08 海信(山东)空调有限公司 Air conditioning system
CN111692639A (en) * 2020-06-29 2020-09-22 广东积微科技有限公司 Multi-connected heat recovery air conditioning system and control method thereof
EP3933303A1 (en) * 2020-06-29 2022-01-05 Guangdong Giwee Technology Co., Ltd. Multi-connected heat recovery air conditioning system and control method thereof

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Application publication date: 20130206