CN103225930A - Total heat recovery multi-cycle multipurpose air conditioning unit - Google Patents

Total heat recovery multi-cycle multipurpose air conditioning unit Download PDF

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Publication number
CN103225930A
CN103225930A CN2013101984412A CN201310198441A CN103225930A CN 103225930 A CN103225930 A CN 103225930A CN 2013101984412 A CN2013101984412 A CN 2013101984412A CN 201310198441 A CN201310198441 A CN 201310198441A CN 103225930 A CN103225930 A CN 103225930A
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CN
China
Prior art keywords
heat exchanger
water
check valve
heat
connects
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Pending
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CN2013101984412A
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Chinese (zh)
Inventor
李学飞
胡秀玲
邬思勇
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JIANGSU SIGMA ELECTRICAL APPLIANCE CO Ltd
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JIANGSU SIGMA ELECTRICAL APPLIANCE CO Ltd
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Priority to CN2013101984412A priority Critical patent/CN103225930A/en
Publication of CN103225930A publication Critical patent/CN103225930A/en
Pending legal-status Critical Current

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Abstract

The invention provides a total heat recovery multi-cycle multipurpose air conditioning unit. The total heat recovery multi-cycle multipurpose air conditioning unit comprises a refrigerant loop and a second water cycle loop, wherein the refrigerant loop comprises a compressor, a third heat exchanger, a first heat exchanger, a first one-way valve, a liquid storage pot, a filter, a second one-way valve, a first expansion valve, a second heat exchanger and a gas-liquid separator which are successively connected with one another; the outlet of the gas-liquid separator is connected with the inlet of the compressor, and the third heat exchanger is a water-cooled heat exchanger; and the second water cycle loop comprises the third heat exchanger, a water box and a second water pump which are connected with one another in series so as to form the loop. In summer refrigeration, the second water pump is opened, a more efficient refrigeration effect is provided, and meanwhile, heat is used for preparing hot water, namely free hot water is obtained; and in winter, the sequence of heating and hot water preparation can be changed through an automation procedure. Therefore, the air conditioning unit has many functions.

Description

Complete many circulations of recuperation of heat multi-purpose air conditioner unit
Technical field
The present invention relates to the industrial refrigeration field, relate in particular to a kind of air-conditioning.
Background technology
In the prior art, general hotel and office building all will be equipped large-scale central air-conditioning and solar water heater, two complete equipments, therefore pipeline is intricate, building such as general visible a lot of offices, commercialization need be installed these equipment with a whole layer, also need the professional person to safeguard, therefore, the equipment and the maintenance cost all than higher.
In addition, existing air-conditioning uses expensive refrigerant as the medium that transmits cold and heat more, and transmits in the large-scale central air conditioning equipment of cold or heat in the long distance of needs, and traditional central air-conditioning needs a large amount of refrigerants, and this has increased production cost undoubtedly.Also increase the possibility of secondary refrigerant leakage, improved the expense of pipeline maintenance and attendant's technical merit demand.
Further, in the existing central air-conditioning, in order to reduce the complexity of pipeline, the refrigeration of refrigerant or heat the pipeline basically identical, since equipment such as expansion valve refrigeration with heat in aperture different, this just influences the stability of system, needs professional's debugging when changing according to the season.
In view of this, be necessary to propose a kind of reducing production costs, and reduce maintenance cost as far as possible and have a multi-functional central air-conditioning.
Summary of the invention
Purpose of the present invention provides a kind of complete many circulations of recuperation of heat multi-purpose air conditioner unit, solves in the above-mentioned prior art problem one or more.
The invention provides a kind of complete many circulations of recuperation of heat multi-purpose air conditioner unit, comprise the refrigerant loop and second water-flow circuit; The refrigerant loop comprises compressor, the 3rd heat exchanger, first heat exchanger, first check valve, fluid reservoir, filter, second check valve, first expansion valve, second heat exchanger and the gas-liquid separator that connects in turn, and the outlet of gas-liquid separator connects the import of compressor; The 3rd heat exchanger is a water-cooled heat exchanger; Second water-flow circuit comprises that serial connection goes the 3rd heat exchanger, water tank and second water pump into the closed-loop path.
Complete many circulations of the recuperation of heat multi-purpose air conditioner unit that the invention provides, the 3rd heat exchanger that installs additional is a water-cooled heat exchanger, summer is when freezing, start second water pump, in the refrigeration heat is used for producing hot water providing more efficiently, be equivalent to obtain free hot water, greatly improved the economy of hot water.In addition, also reduce the power consumption of first heat exchanger, help low-carbon environment-friendly.In winter, can switch the priority that heats and produce hot water by automated procedures, realized a tractor serves several purposes.
In some embodiments, the present invention also comprises first water-flow circuit, and second heat exchanger is a water-cooled heat exchanger, and first water-flow circuit comprises that serial connection forms first water pump, the 5th heat exchanger and second heat exchanger of closed-loop path.By first water-flow circuit, change heat transfer agent into water by refrigerant, improve economy of the present invention, and reduced the professional demand of pipeline attendant.
In some embodiments, the 5th number of heat exchangers is a plurality of, connects with second heat exchanger, first water pump after a plurality of the 5th heat exchanger parallel connections to form first water-flow circuit again.By a plurality of the 5th heats exchangers in parallel, realized that a unit serves the function of whole network, and each the 5th heat exchanger can select according to actual needs to use or to cut out, and not influence whole network.
In some embodiments, first water-flow circuit also comprises water supply tank, and the water supply tank delivery port connects the pipeline between first water pump and the 5th heat exchanger.It is additional that the setting of water supply tank can provide, and changes the function of recirculated water.
In some embodiments, the present invention also comprises four-way change-over valve, the 3rd check valve, the 4th check valve and second expansion valve; The outlet of compressor is connected first heat exchanger and second heat exchanger with the import of gas-liquid separator by four-way change-over valve; The import of the 3rd check valve connects the pipeline between second heat exchanger and first expansion valve; The outlet of the 3rd check valve connects the pipeline between the fluid reservoir and first check valve, the outlet of the 4th check valve connects the import of second expansion valve, the import of the 4th check valve connects the pipeline between the filter and second check valve, and the outlet of second expansion valve connects the pipeline between first heat exchanger and first check valve.Switch the refrigerant flow divert by four-way change-over valve, realized heating winter, summer, refrigeration made things convenient for people's application.And by a plurality of check valves, will freeze and heat branch road and separate, and have expansion valve respectively, make work of the present invention not be subjected to the influence of the cold and hot variation of expansion valve valve opening.Reduced the professional demand of attendant.
Description of drawings
Fig. 1 is the structural representation of complete many circulations of recuperation of heat multi-purpose air conditioner unit of first kind of embodiment provided by the invention;
Fig. 2 is the structural representation of complete many circulations of recuperation of heat multi-purpose air conditioner unit of second kind of embodiment provided by the invention;
Fig. 3 is the structural representation of first water-flow circuit of a kind of complete many circulations of recuperation of heat multi-purpose air conditioner unit provided by the invention;
Fig. 4 is the second water-flow circuit structural representation of a kind of complete many circulations of recuperation of heat multi-purpose air conditioner unit provided by the invention.
The specific embodiment
As shown in Figure 1, the invention provides a kind of complete many circulations of recuperation of heat multi-purpose air conditioner unit, comprise the refrigerant loop.
The refrigerant loop comprises compressor 1, four-way change-over valve 3, first heat exchanger 4, second heat exchanger 13, gas-liquid separator 14, branch road and heat branch road freezes; Gas-liquid separator 14 outlets connect compressor 1 import, and compressor 1 outlet is connected first heat exchanger 4 and second heat exchanger 13 with gas-liquid separator 14 imports by four-way change-over valve 3.
Refrigeration branch road one end connects first heat exchanger 4, and the other end connects second heat exchanger 13, and the refrigeration branch road is connected with first check valve 6, fluid reservoir 8, filter 9, second check valve 10 and first expansion valve 11 in turn from first heat exchanger, 4 to second heat exchangers 13.
Heat branch road one end and connect first heat exchanger 4, the other end connects second heat exchanger 13, heats branch road and is connected with the 3rd check valve 12, fluid reservoir 8, filter 9, the 4th check valve 7 and second expansion valve 5 in turn from second heat exchanger, 13 to first heat exchangers 4.
The refrigeration branch road that this enforcement is adopted with heat shared fluid reservoir 8 of branch road and filter 9, should be pointed out that the refrigeration branch road and heat branch road and also can use separately fluid reservoir and filter alone.
Fluid reservoir 8 imports connect first check valve 6 and the 3rd check valve 12 by three-way pipe, and fluid reservoir 8 outlets connect filter 9 imports, and filter 9 outlets connect second check valve 10 and the 4th check valve 7 by three-way pipe.
First heat exchanger 4 is air-cooled heat exchanger, and four-way change-over valve 3 is the electromagnetic type four-way change-over valve.First heat exchanger 4 is an outdoor heat exchanger, and second heat exchanger 13 is an indoor heat exchanger.
During refrigeration, under the effect of four-way change-over valve 3, the compressed machine of refrigerant 1 outlet stream enters first heat exchanger 4 through four-way change-over valve 3, and the blower fan by first heat exchanger 4 takes heat to outdoor; Enter fluid reservoir 8 through first check valve 6 again, in fluid reservoir 8, regulate the balance that flow is kept system; Enter first expansion valve 11 through filter 9, second check valve 10 again, the cryogenic gas that produces after the heat exchange, is entered gas-liquid separator 14 by four-way change-over valve 3 in second heat exchanger 13, get back to compressor 1 inside by gaseous state more at last.
When heating, under the effect of four-way change-over valve 3, compressed machine 1 outlet of refrigerant enters second heat exchanger 13 through four-way change-over valve 3, after the heat exchange, successively through the 3rd check valve 12, fluid reservoir 8, filter 9, the 4th check valve 7, second expansion valve 5, first heat exchanger 4, get back to gas-liquid separator 14 through four-way change-over valve 3 more at last, get back to compressor 1 inside by gaseous state.Principle is opposite with when refrigeration, repeats no more herein.
As shown in Figure 3, second heat exchanger 13 is a water-cooled heat exchanger, the present invention also comprises first water-flow circuit, first water-flow circuit comprises second heat exchanger 13, first water pump 131 and the 5th heat exchanger 132 of serial connection, promptly, the heat exchange agent of second heat exchanger 13 is come in and gone out or inlet connects first water pump 131 in turn and the 5th heat exchanger 132, the five heat exchangers 132 connect heat exchange agent outlet or the inlet that second heat exchanger 13 is not connected with first water pump 131.
The number of the 5th heat exchanger 132 is a plurality of, and present embodiment is an example with 3.Connect with second heat exchanger 13, first water pump 131 again after 3 the 5th heat exchanger 132 parallel connections and form first water-flow circuit.
In addition, be connected with the 5th check valve 133 between first water pump 131 and second heat exchanger 13.
Present embodiment also comprises water supply tank 134, and the delivery port of water supply tank 134 connects on the pipeline between first water pump 131 and the 5th heat exchanger 132.
Heat exchange agent in the 5th heat exchanger 132 can be water, current provide pressure by first water pump 131, second heat exchanger 13 of flowing through, after the refrigerant sufficient heat exchange that flows in second heat exchanger 13, bring cold or heat into the 5th heat exchanger 132, the 5th heat exchanger 132 is for to be satisfied with indoor air cooling heat exchanger, and is by blower fan that cold or heat band is indoor, passes back into first water pump 131 again.First water pump 131 and second heat exchanger 13 are provided with the 5th check valve 133, improve the stability of device.Be connected with the water inlet of water supply tank 134 on the pipeline between first water pump 131 and the 5th heat exchanger 132, the function of replenishing inner loop water or displacement inner loop water is provided.
In addition, second heat exchanger 13 also can be air-cooled heat exchanger, and direct and room air carries out heat exchange.
As Fig. 2, shown in 4, the 3rd heat exchanger 2 is a water-cooled heat exchanger, and be located between compressor 1 and the four-way change-over valve 3, the present invention also comprises second water-flow circuit, second water-flow circuit comprises that serial connection forms the 3rd heat exchanger 2 of closed-loop path, the water tank 15 and second water pump 16, promptly, the 3rd heat exchanger 2 is provided with first water inlet 21 and first delivery port 22, water tank 15 is provided with second water inlet 151 and second delivery port 152, first water inlet 21 connects second delivery port 152, first delivery port 22 connects second water inlet, 151, the second water pumps 16 and is connected between first water inlet 21 and second delivery port 152 or is connected on the pipeline between first delivery port 22 and second water inlet 151.
The 3rd heat exchanger 2, water tank 15, second water pump 16 are connected into the loop, provide pressure that internal water is formed the loop between the 3rd heat exchanger 2 and water tank 15 by second water pump 16.Under the situation of air conditioner refrigerating, start first water pump 131 or the blower fan of second water pump 16 and second heat exchanger 13, can in refrigeration, reclaim heat, also alleviated the load of first heat exchanger 4 simultaneously.Under the situation that air-conditioning heats, capable of producing hot water preferential, the hot water temperature closes second water pump 16 after arriving, and opens first water pump 131 or the blower fan of second heat exchanger 13; Also can indoor heating preferential, open first water pump 131 or the blower fan of second heat exchanger 13 earlier, indoor temperature is opened second water pump 16 after arriving the temperature that needs again.
The present invention can regulate the duty of the condensation fan of first water pump 131 of second heat exchanger 13 or blower fan, second water pump 16 and second heat exchanger 4 by flush bonding processor, realization heats, freezes, freezes+hot water, heat+hot water and independently heat water, realized the function of a tractor serves several purposes.
The above only is an optimal way of the present invention; should be pointed out that to those skilled in the art, under the prerequisite that does not break away from the invention design; can also make some similar distortion and improvement, these also should be considered as within protection scope of the present invention.

Claims (5)

1. complete many circulations of recuperation of heat multi-purpose air conditioner unit is characterized in that, comprises the refrigerant loop and second water-flow circuit; Described refrigerant loop comprises compressor (1), the 3rd heat exchanger (2), first heat exchanger (4), first check valve (6), fluid reservoir (8), filter (9), second check valve (10), first expansion valve (11), second heat exchanger (13) and the gas-liquid separator (14) that connects in turn, and the outlet of described gas-liquid separator (14) connects the import of described compressor (1); Described the 3rd heat exchanger (2) is a water-cooled heat exchanger; Described second water-flow circuit comprises that serial connection goes the 3rd heat exchanger (2), water tank (15) and second water pump (16) into the closed-loop path.
2. complete many circulations of recuperation of heat multi-purpose air conditioner unit according to claim 1, it is characterized in that, also comprise first water-flow circuit, described second heat exchanger (13) is a water-cooled heat exchanger, and described first water-flow circuit comprises that serial connection forms first water pump (131), the 5th heat exchanger (132) and described second heat exchanger (13) of closed-loop path.
3. complete many circulations of recuperation of heat multi-purpose air conditioner unit according to claim 2, it is characterized in that, described the 5th heat exchanger (132) number is a plurality of, connects with described second heat exchanger (13), first water pump (131) after a plurality of described the 5th heat exchangers (132) parallel connection to form first water-flow circuit again.
4. according to each described complete many circulations of recuperation of heat multi-purpose air conditioner unit of claim 1~3, it is characterized in that, described first water-flow circuit also comprises water supply tank (134), and described water supply tank (134) delivery port connects the pipeline between described first water pump (131) and the 5th heat exchanger (132).
5. complete many circulations of recuperation of heat multi-purpose air conditioner unit according to claim 4 is characterized in that, also comprises four-way change-over valve (3), the 3rd check valve (12), the 4th check valve (7) and second expansion valve (5); The import of the outlet of described compressor (1) and gas-liquid separator (14) is connected described first heat exchanger (4) and second heat exchanger (13) by described four-way change-over valve (3); The import of described the 3rd check valve (12) connects the pipeline between described second heat exchanger (13) and first expansion valve (11); The outlet of described the 3rd check valve (12) connects the pipeline between described fluid reservoir (8) and first check valve (6), the outlet of described the 4th check valve (7) connects the import of described second expansion valve (5), the import of described the 4th check valve (7) connects the pipeline between described filter (9) and second check valve (10), and the outlet of described second expansion valve (5) connects the pipeline between described first heat exchanger (4) and first check valve (6).
CN2013101984412A 2013-05-24 2013-05-24 Total heat recovery multi-cycle multipurpose air conditioning unit Pending CN103225930A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105276858A (en) * 2014-07-17 2016-01-27 荣国华 Air-water cooling cold-hot water heat pump unit
CN107763888A (en) * 2017-11-20 2018-03-06 美意(浙江)空调设备有限公司 A kind of dynamic degree of superheat control system
CN112413928A (en) * 2020-11-11 2021-02-26 珠海格力电器股份有限公司 Heat pump unit and control method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101162114A (en) * 2006-10-09 2008-04-16 松下电器产业株式会社 Heat pump installation
CN201110670Y (en) * 2007-12-05 2008-09-03 佛山市确正冷热设备有限公司 Heat pump hot-water units with functions of refrigerating, heating as well as manufacturing life hot water
CN203323455U (en) * 2013-05-24 2013-12-04 江苏西格玛电器有限公司 Total heat recovery multi-cycle multipurpose air conditioning unit

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101162114A (en) * 2006-10-09 2008-04-16 松下电器产业株式会社 Heat pump installation
CN201110670Y (en) * 2007-12-05 2008-09-03 佛山市确正冷热设备有限公司 Heat pump hot-water units with functions of refrigerating, heating as well as manufacturing life hot water
CN203323455U (en) * 2013-05-24 2013-12-04 江苏西格玛电器有限公司 Total heat recovery multi-cycle multipurpose air conditioning unit

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105276858A (en) * 2014-07-17 2016-01-27 荣国华 Air-water cooling cold-hot water heat pump unit
CN107763888A (en) * 2017-11-20 2018-03-06 美意(浙江)空调设备有限公司 A kind of dynamic degree of superheat control system
CN112413928A (en) * 2020-11-11 2021-02-26 珠海格力电器股份有限公司 Heat pump unit and control method thereof
CN112413928B (en) * 2020-11-11 2021-10-15 珠海格力电器股份有限公司 Heat pump unit and control method thereof

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Application publication date: 20130731