CN1737468A - Electric generating and air conditioning system with water heater - Google Patents
Electric generating and air conditioning system with water heater Download PDFInfo
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- CN1737468A CN1737468A CNA2005100083448A CN200510008344A CN1737468A CN 1737468 A CN1737468 A CN 1737468A CN A2005100083448 A CNA2005100083448 A CN A2005100083448A CN 200510008344 A CN200510008344 A CN 200510008344A CN 1737468 A CN1737468 A CN 1737468A
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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Abstract
The present invention discloses a power generation and air conditioning system with water heater. The system includes: an engine; a generator, connected to one output shaft of the engine for power generation; a heat pump air-conditioning, using the electricity produced by the generator, and including a compressor, a direction valve , an outdoor heat exchanger, an expansive device and an indoor heat exchanger; a water heating heat exchanger for heating the water; and a waste heat recovery unit for the supply of the waste heat of the engine to the heat pumpair-conditioning or to the water heating heat exchanger, thereby the system has a high energy efficiency.
Description
Technical field
The present invention relates to a kind of generating and air-conditioning system with water heater, and relate in particular to a kind of like this generating and air-conditioning system with water heater, wherein the waste gas of engine or cooling water are used to improve air-conditioner efficiency.
Background technology
Usually, generating and air-conditioning system are generated electricity by using from the revolving force of engine output, and use the electricity that produces to make operation of air conditioner.This generating and air-conditioning system are mainly used in polytype air-conditioning or large-size air conditioning.
This generating and air-conditioning system comprise: engine; Generator, it is connected on the output shaft of engine, to generate electricity; Air-conditioning, it uses the electric operation that is produced by this generator; And water heater, it uses the waste heat water of engine, so that hot water to be provided.
Yet this traditional generating and the problem of air-conditioning system be, the used heat from the waste gas that engine is discharged is not used in the heating performance that improves air-conditioning, and only is used to provide hot water, thereby this system presents low energy efficiency.
Summary of the invention
Consider the problems referred to above and create the present invention, and the purpose of this invention is to provide a kind of generating and air-conditioning system with water heater, wherein the used heat of engine not only is used to improve the heating performance of air-conditioning, also can provide hot water, thereby this system presents high energy efficiency.
According to a scheme, the invention provides a kind of generating and air-conditioning system, comprising: an engine; One generator, it is connected to an output shaft of this engine, to generate electricity; One heat pump type air conditioner, the electricity that it uses this generator to produce, and comprise a compressor, a direction valve, an outdoor heat converter, an expansion gear and an indoor heat converter; One water reheat heat exchanger is in order to add hot water; And waste heat recovery plant, supply to this heat pump type air conditioner or supply to this water reheat heat exchanger in order to used heat this engine.
This waste heat recovery plant can comprise: a cooling water heat exchanger, in order to absorb heat from the cooling water that is used for cooling off this engine; One exhaust-heat exchanger is in order to absorb heat the waste gas of discharging from this engine; And heat-transfer arrangement, in order to during the refrigerating operation of this heat pump type air conditioner, from this cooling water heat exchanger and this exhaust-heat exchanger one of them transmits heat to this water reheat heat exchanger at least, and heating operating period of this heat pump type air conditioner, from this cooling water heat exchanger and this exhaust-heat exchanger one of them transmits heat to this heat pump type air conditioner at least.
This waste heat recovery plant also can comprise: a preheater, it blows to the outdoor air of this outdoor heat converter by this heat-transfer arrangement heating with preheating.
According to another program, the invention provides a kind of generating and air-conditioning system, comprising: an engine; One generator, it is connected to an output shaft of this engine, to generate electricity; One cooling water heat exchanger is in order to absorb heat from the cooling water that is used for cooling off this engine; One exhaust-heat exchanger is in order to absorb heat the waste gas of discharging from this engine; One heat pump type air conditioner, the electricity that it uses this generator to produce, and comprise a compressor, a direction valve, an outdoor heat converter, an expansion gear and an indoor heat converter; One water reheat heat exchanger is in order to add hot water; One preheater blows to the outdoor air of this outdoor heat converter in order to preheating; And heat-transfer arrangement, in order to during the refrigerating operation of this heat pump type air conditioner, from this cooling water heat exchanger and this exhaust-heat exchanger one of them transmits heat to this water reheat heat exchanger at least, and heating operating period of this heat pump type air conditioner, from this cooling water heat exchanger and this exhaust-heat exchanger one of them transmits heat to this preheater at least.
According to another scheme, the invention provides a kind of generating and air-conditioning system, comprising: an engine; One generator, it is connected to an output shaft of this engine, to generate electricity; One cooling water heat exchanger is in order to absorb heat from the cooling water that is used for cooling off this engine; One exhaust-heat exchanger is in order to absorb heat the waste gas of discharging from this engine; One heat pump type air conditioner, it uses this generator to produce, and comprise an outdoor unit and an indoor unit, this outdoor unit comprises a compressor, a direction valve, an outdoor heat converter and an expansion gear, and this indoor unit comprises an indoor heat converter; One water reheat heat exchanger is in order to add hot water; One preheater blows to the outdoor air of this outdoor heat converter in order to preheating; And heat-transfer arrangement, in order to during the refrigerating operation of this heat pump type air conditioner, from this cooling water heat exchanger and this exhaust-heat exchanger one of them transmits heat to this water reheat heat exchanger at least, and heating operating period of this heat pump type air conditioner, from this cooling water heat exchanger and this exhaust-heat exchanger one of them transmits heat to this preheater at least.
This heat-transfer arrangement can comprise: a preheater circulating line, circulate by this cooling water heat exchanger, this exhaust-heat exchanger and this preheater in order to the guiding thermal medium; And a water reheat heat exchanger circulating line, circulate by this cooling water heat exchanger, this exhaust-heat exchanger and this water reheat heat exchanger in order to the guiding thermal medium.
This water reheat heat exchanger circulating line branches away from this preheater circulating line.
This heat-transfer arrangement also can comprise: a thermal medium circulating pump, and it aspirates this thermal medium with pump, and thus by this preheater circulating line or this water reheat heat exchanger circulating line this thermal medium that circulates.
This heat-transfer arrangement also can comprise: a control valve, it is this preheater circulating line of opening/closing and this water reheat heat exchanger circulating line selectively, and thus by this selected preheater circulating line and one of them this thermal medium that circulates of this water reheat heat exchanger circulating line.
This heat-transfer arrangement also can comprise: a controller, operation in order to this control valve of control during the refrigerating operation of this heat pump type air conditioner, wherein under refrigeration mode, this water reheat heat exchanger circulating line is opened, this preheater circulating line is closed, and controls the operation of this control valve in the operating period that heats of this heat pump type air conditioner, wherein under heating mode, this water reheat heat exchanger circulating line is closed, and this preheater circulating line is opened.
This engine, this generator, this indoor heat converter and this outdoor heat converter one of them can include a plurality of at least.
Have following advantage according to generating of the present invention and air-conditioning system: the used heat of this engine is during the refrigerating operation of heat pump type air conditioner, be used to add hot water, and the operating period that heats at this heat pump type air conditioner is used to improve heating performance, heat load thereby can reduce, and maximize the efficient of this system.
Also has following advantage according to generating of the present invention and air-conditioning system: the cooling water of this engine or the used heat of waste gas heating operating period at this heat pump type air conditioner, be used to preheating and blow to the air of this outdoor heat converter, thereby prevent this outdoor heat converter frosting, and tackle the load that heats of this heat pump type air conditioner fast.
In addition, also have following advantage according to generating of the present invention and air-conditioning system: this water reheat heat exchanger circulating line branches away from this preheater circulating line, thereby can be only provide a hot medium pipeline for cooling water heat exchanger and exhaust-heat exchanger, so that be used for circulating line simple in structure of cooling water heat exchanger and exhaust-heat exchanger, and can be used in the quantity minimum of the control valve of thermal medium circulation.
Description of drawings
After the specific descriptions below reading in conjunction with the accompanying drawings, above-mentioned purpose of the present invention and further feature, advantage can become more clear.Wherein:
Fig. 1 is according to the generating with water heater of first embodiment of the invention and the schematic diagram of air-conditioning system, and it shows the state of this system's running under heating mode;
Fig. 2 is according to the generating with water heater of first embodiment of the invention and the schematic diagram of air-conditioning system, and it shows the state of this system's running under refrigeration mode;
Fig. 3 is according to the generating with water heater of second embodiment of the invention and the schematic diagram of air-conditioning system, and it shows the state of this system's running under heating mode;
Fig. 4 is according to the generating with water heater of second embodiment of the invention and the schematic diagram of air-conditioning system, and it shows the state of this system's running under refrigeration mode;
Fig. 5 is according to the generating with water heater of third embodiment of the invention and the schematic diagram of air-conditioning system, and it shows the state of this system's running under heating mode;
Fig. 6 is according to the generating with water heater of third embodiment of the invention and the schematic diagram of air-conditioning system, and it shows the state of this system's running under refrigeration mode;
Fig. 7 is according to the generating with water heater of fourth embodiment of the invention and the schematic diagram of air-conditioning system, and it shows the state of this system's running under heating mode; And
Fig. 8 is according to the generating with water heater of fourth embodiment of the invention and the schematic diagram of air-conditioning system, and it shows the state of this system's running under refrigeration mode.
The specific embodiment
Below with reference to the exemplary embodiments of accompanying drawing description according to generating of the present invention and air-conditioning system.
Fig. 1 is according to the generating with water heater of first embodiment of the invention and the schematic diagram of air-conditioning system, and it shows the state of this system's running under heating mode.Fig. 2 is according to the generating with water heater of first embodiment of the invention and the schematic diagram of air-conditioning system, and it shows the state of this system's running under refrigeration mode.
As depicted in figs. 1 and 2, generating and air-conditioning system comprise: engine 2; Generator 10, its output shaft that is connected to this engine 2 is to generate electricity; Cooling water heat exchanger 20 is in order to absorb heat from the cooling water that is used for cooled engine 2; And exhaust-heat exchanger 30, in order to absorb heat the waste gas of discharging from engine 2.This generating and air-conditioning system also comprise a heat pump type air conditioner 40, the electricity that it uses this generator 10 to produce, and comprise a compressor 41, a direction valve 42, an indoor heat converter 43, an expansion gear 44 and an outdoor heat converter 45.This generating and air-conditioning system also comprise a water reheat heat exchanger 60, in order to add hot water; One preheater 70 blows to the outdoor air of outdoor heat converter 45 in order to preheating; An and heat-transfer arrangement 80, in order to during the refrigerating operation of this heat pump type air conditioner 40, from cooling water heat exchanger 20 and exhaust-heat exchanger 30 one of them transmits heats to water reheat heat exchanger 60 at least, and heating operating period of this heat pump type air conditioner 40, from cooling water heat exchanger 20 and exhaust-heat exchanger 30 one of them transmits heats to preheater 70 at least.
This engine 2 comprises that one is limited to a combustion chamber of these engine 2 inside.
This blast pipe 4 is arranged between engine 2 and the exhaust-heat exchanger 30, guiding to this exhaust-heat exchanger 30 from the waste gas E that engine 2 is discharged.
This cooling water heat exchanger 20 is connected to this engine 2 via cooling water circulating line 7 and 8, thereby heated cooling water transmits heat to this cooling water heat exchanger 20 when passing this cooling water heat exchanger 20 when cooled engine 2, and then is recycled in this engine 2.
Cooling water circulating pump 9 is connected to one of them of engine 2, cooling water heat exchanger 20 and cooling water circulating line 7 and 8.
This generator 10 can be AC generator or DC generator.
As shown in Figure 1, heating in the operation of heat pump type air conditioner 40, the cold-producing medium that has compressed in compressor 41 flows through direction valve 42, indoor heat converter 43, expansion gear 44, outdoor heat converter 45 and direction valve 42 successively, enters into compressor 41 then.This cold-producing medium thus circulates.In this operation, outdoor heat converter 45 plays the effect of evaporimeter, and indoor heat converter 43 plays the effect of condenser, thus, heat is discharged to room air.
On the other hand, as shown in Figure 2, in the refrigerating operation of air-conditioning 40, the cold-producing medium that has compressed in compressor 41 flows through direction valve 42, outdoor heat converter 45, expansion gear 44, indoor heat converter 43 and direction valve 42 successively, enters into compressor 41 then.This cold-producing medium thus circulates.In this operation, outdoor heat converter 45 plays the effect of condenser, and indoor heat converter 43 plays the effect of evaporimeter, thus, absorbs heat from room air.
This heat pump type air conditioner 40 also comprises an indoor fan or air blast 47, and it is blown into indoor heat converter 43 with room air I.This indoor heat converter 43 and indoor fan 47 have been formed the indoor unit 46 of this heat pump type air conditioner 40.
This heat pump type air conditioner 40 also comprises an outdoor fan or air blast 49, and it is blown into outdoor heat converter 45 with outdoor air O.This compressor 41, direction valve 42, expansion gear 44, outdoor heat converter 45 and outdoor fan 49 have been formed the outdoor unit 48 of heat pump type air conditioner 40.
This water reheat heat exchanger 60 is connected to hot water consumer 62, and it uses hot water via hot water pipeline 64.
In one of them of water reheat heat exchanger 60, hot water consumer 62 and hot water pipeline 64 heat-exchanger pump 66 is set, it will or be supplied in this hot water consumer 62 by these water reheat heat exchanger 60 warmed-up water circulations.
With respect to the flow direction of the outdoor air O that is blown into this outdoor heat converter 4, this preheater 70 is arranged on the upstream of this outdoor heat converter 45, with preheating chamber outer air O.
This heat-transfer arrangement 80 only can be configured to, and from this cooling water heat exchanger 20 and exhaust-heat exchanger 30 absorbs used heat.Selectively, this heat-transfer arrangement 80 can be configured to all absorb used heat in mode independently from this cooling water heat exchanger 20 and this exhaust-heat exchanger 30.Only be described with mode independently all absorbs used heat from this cooling water heat exchanger 20 and this exhaust-heat exchanger 30 situation below in conjunction with this heat-transfer arrangement 80.
This heat-transfer arrangement 80 comprises: preheater circulating line 82, with the thermal medium of guiding by cooling water heat exchanger 20, exhaust-heat exchanger 30 and preheater 70 circulations; And a water reheat heat exchanger circulating line 84, with the thermal medium of guiding by cooling water heat exchanger 20, exhaust- heat exchanger 30 and 60 circulations of water reheat heat exchanger.
The preheater circulating line 82 of this heat-transfer arrangement 80 and water reheat heat exchanger circulating line 84 can be independently of one another, thereby first thermal medium is by these preheater circulating line 82 circulations, and second thermal medium is by these water reheat heat exchanger circulating line 84 circulations.Selectively, this water reheat heat exchanger circulating line 84 can branch away from this preheater circulating line 82, thereby thermal medium is selectively by this preheater circulating line 82 or 84 circulations of this water reheat heat exchanger circulating line.Only be described from the situation that this preheater circulating line 82 branches away below in conjunction with this water reheat heat exchanger circulating line 84.
This heat-transfer arrangement 80 also comprises a thermal medium circulating pump 86, and it aspirates thermal medium with pump, and thus by preheater circulating line 82 or water reheat heat exchanger circulating line 84 circulating thermal mediums.
This heat-transfer arrangement 80 also comprises a control valve 88, and it is this preheater circulating line 82 of opening/closing and water reheat heat exchanger circulating line 84 selectively.
In the situation that illustrates, though only there is a control valve 88 to be arranged on the join domain that this water reheat heat exchanger circulating line 84 branches away from this preheater circulating line 82, with selectively this preheater circulating line 82 of opening/closing and water reheat heat exchanger circulating line 84, but two control valves 88 can be separately positioned on this preheater circulating line 82 and the water reheat heat exchanger circulating line 84, with mode opening/ closing pipeline 82 and 84 independently.Below will be only, a control valve 88 be described with the situation of this preheater circulating line 82 of opening/closing and water reheat heat exchanger circulating line 84 selectively in conjunction with being set.
This heat-transfer arrangement 80 also comprises a controller 90, and it controls the operation of this control valve 88 during the refrigerating operation of this heat pump type air conditioner 40, and under refrigeration mode, this water reheat heat exchanger circulating line 84 is opened, and this preheater circulating line 82 is closed; And controller 90 is controlled the operation of this control valve 88 in the operating period that heats of this heat pump type air conditioner 40, and under heating mode, this water reheat heat exchanger circulating line 84 is closed, and this preheater circulating line 82 is opened.
The running of this system with above-mentioned layout is described below.
When fuel supplies to this engine 2 by cartridge 3, and this engine 2 is when being driven subsequently, the output shaft rotation of this engine 2, thus cause this generator 10 generatings.
The waste gas of discharging from engine 2 between the on-stream period of engine 2 is transported to this exhaust-heat exchanger 30, and after its heat of release is in this exhaust-heat exchanger 30, is discharged to atmosphere.
Between the on-stream period of engine 2, these cooling water circulating pump 9 runnings.Running along with this cooling water circulating pump 9, heated cooling water is transported in this cooling water heat exchanger 20 via cooling water circulating line 7 in this engine 2 of cooling, and after its heat of release is in this cooling water heat exchanger 20, enter this engine 2 via this cooling water circulating line circulation.
When this heat pump type air conditioner 40 turned round under heating mode, compressor 41 drove by the electricity that this generator 10 produces.In this case, direction valve 42 is transformed into heating mode, and this thermal medium circulating pump 86 is driven.Same this control valve 88 is transformed into heating mode.
As shown in Figure 1, when direction valve 42 is transformed into heating mode, and during compressor 41 runnings, these compressor 41 compression low-temperature low-pressure refrigerant gases, thus refrigerant gas is become state for HTHP.This high-temperature high-pressure refrigerant gas is transported to indoor heat converter 43 via this direction valve 42, and when passing this indoor heat converter 43 heat is discharged to room air, thereby refrigerant gas is condensed.
Subsequently, this condensed refrigerant is inflated when passing this expansion gear 44, and is transported to this outdoor heat converter 45 subsequently.This dilated cold-producing medium absorbs heat from outdoor air when passing this outdoor heat converter 45, thereby this cold-producing medium is evaporated.
This vaporized cold-producing medium enters this compressor 41 via these direction valve 42 circulations subsequently.When repeating this cold-producing medium circulation, heat the confined space that room air circulates therein continuously.
When this control valve 88 is transformed into heating mode, and when this thermal medium circulating pump 86 is driven, heated once more by exhaust-heat exchanger 30 by these cooling water heat exchanger 20 warmed-up thermal mediums, be directed to preheater circulating line 82 then, and guide to this preheater 70 by control valve 88 thus.After release heat arrives this preheater 70, promptly to heat after this preheater 70, this thermal medium circulation enters in this cooling water heat exchanger 20.When repeating the thermal medium circulation, heat this preheater 70 continuously.
Simultaneously, the above-mentioned preheater that has been heated 70 heating blow to the air of this outdoor heat converter 45, thereby this outdoor heat converter 45 can frosting.
On the other hand, when this heat pump type air conditioner turns round under refrigeration mode, this compressor 41 drives by the electricity that this generator 10 produces.In this case, direction valve 42 is transformed into refrigeration mode, and this thermal medium circulating pump 86 is driven.Same this control valve 88 is transformed into refrigeration mode.
As shown in Figure 2, when direction valve 42 is transformed into refrigeration mode, and during compressor 41 runnings, the refrigerant gas of these compressor 41 compression low-temp low-pressures, thus refrigerant gas is become state for HTHP.This high-temperature high-pressure refrigerant gas is transported to outdoor heat converter 45 via this direction valve 42, and when passing this outdoor heat converter 45 heat is discharged to outdoor air, thereby refrigerant gas is condensed.
Subsequently, this condensed refrigerant is inflated when passing this expansion gear 44, and is transported to this indoor heat converter 43 subsequently.This dilated cold-producing medium absorbs heat from room air when passing this indoor heat converter 43, thereby this cold-producing medium is evaporated.
This vaporized cold-producing medium enters this compressor 41 via these direction valve 42 circulations.When repeating this cold-producing medium circulation, this confined space of continuous cooling.
Simultaneously, when this control valve 88 is transformed into refrigeration mode, and during these thermal medium circulating pump 86 runnings, heated once more by exhaust-heat exchanger 30 by these cooling water heat exchanger 20 warmed-up thermal mediums, be directed to water reheat heat exchanger circulating line 84 then, and guide to this water reheat heat exchanger 60 by control valve 88 thus.After release heat arrives this water reheat heat exchanger 60, promptly to heat after this water reheat heat exchanger 60, this thermal medium circulation enters in this cooling water heat exchanger 20.When repeating this thermal medium circulation, heat this water reheat heat exchanger 60 continuously.
Fig. 3 is according to the generating with water heater of second embodiment of the invention and the schematic diagram of air-conditioning system, and it shows the state of this system's running under heating mode.Fig. 4 is according to the generating with water heater of second embodiment of the invention and the schematic diagram of air-conditioning system, and it shows the state of this system's running under refrigeration mode.
As shown in Figure 3 and Figure 4, this generating and air-conditioning system comprise a plurality of engines 2,2 ' ...This generating and air-conditioning system also comprise a plurality of generators 10,10 ' ..., it is connected to this engine 2,2 ' ... on the axle separately.
According to the load that freezes or heat, engine 2,2 ' ... in one or more runnings.
This blast pipe 4,4 ' ... be connected in parallel.
This cooling water circulating line 7 and 8,7 ' and 8 ' ... be connected in parallel.
Cooling water circulating pump 9 and 9 ' ... be directly connected to respectively on this cooling water circulating line 7 or 8, the cooling water circulating line 7 ' or 8 ' ...
Except engine 2,2 ' ... with generator 10,10 ' ... outside, the generating of second embodiment and air-conditioning system have the 26S Proteasome Structure and Function identical with first embodiment.Therefore, the component parts of second embodiment corresponding to those in the first embodiment respectively is marked by identical Reference numeral, and does not provide its detailed description.
Fig. 5 is according to the generating with water heater of third embodiment of the invention and the schematic diagram of air-conditioning system, and it shows the state of this system's running under heating mode.Fig. 6 is according to the generating with water heater of third embodiment of the invention and the schematic diagram of air-conditioning system, and it shows the state of this system's running under refrigeration mode.
As shown in Figure 5 and Figure 6, this heat pump type air conditioner promptly is included in this heat pump type air conditioner 40 in this generating and the air-conditioning system, is polytype.That is, this heat pump type air conditioner 40 comprises a plurality of indoor units 46,46 ' ... with an independent outdoor unit 48.This indoor unit 46,46 ' ... comprise the indoor heat converter 43,43 ' that is connected in parallel respectively ...
This indoor unit 46,46 ' ... also comprise indoor fan 47,47 ' respectively ...
Except this heat pump type air conditioner 40 comprises a plurality of indoor units 46,46 ' ... outside, the generating of present embodiment and air-conditioning system have the 26S Proteasome Structure and Function identical with first embodiment.Therefore, the component parts of the 3rd embodiment corresponding to those in the first embodiment respectively is marked by identical Reference numeral, and does not provide its detailed description.
Fig. 7 is according to the generating with water heater of fourth embodiment of the invention and the schematic diagram of air-conditioning system, and it shows the state of this system's running under heating mode.Fig. 8 is according to the generating with water heater of fourth embodiment of the invention and the schematic diagram of air-conditioning system, and it shows the state of this system's running under refrigeration mode.
As shown in Figure 7 and Figure 8, this heat pump type air conditioner promptly is included in this heat pump type air conditioner 40 in this generating and the air-conditioning system, comprises a plurality of indoor units 46,46 ' ... and a plurality of outdoor units 48,48 ' ...
In this heat pump type air conditioner 40, be included in this indoor unit 46,46 ' respectively ... in refrigerant tubing can be connected in parallel.Be included in this outdoor unit 48,48 ' respectively ... in refrigerant tubing also can be connected in parallel.Provide following description in conjunction with such situation, that is, and each outdoor unit 48,48 ' ... with indoor unit 46,46 ' ... in a relevant connection, constituting an air-conditioning group, and each air-conditioning group is independent of other air-conditioning group running.
This indoor unit 46,46 ' ... comprise indoor heat converter 43,43 ' separately ... and indoor fan separately 47,47 ' ...
This outdoor unit 48,48 ' ... comprise compressor 41,41 ' separately ..., direction valve 42,42 ' ..., expansion gear 44,44 ' ..., outdoor heat converter 45,45 ' ... and outdoor fan 49,49 ' ...
The preheater circulating line 82,82 ' that is connected in parallel ... be connected to each preheater 70,70 ' ..., pass through this preheater 70,70 ' with guiding ... the thermal medium of circulation.
Except this heat pump type air conditioner 40 comprises a plurality of indoor units 46,46 ' ... a plurality of outdoor units 48,48 ' ... a plurality of preheaters 70,70 ' ... with a plurality of preheater circulating lines 82,82 ' ... outside, the generating of present embodiment and air-conditioning system have the 26S Proteasome Structure and Function identical with first embodiment.Therefore, the component parts of the 4th embodiment corresponding to those in the first embodiment respectively is marked by identical Reference numeral, and does not provide its detailed description.
Generating with water heater of any and air-conditioning system have various effects according to the abovementioned embodiments of the present invention.
Promptly, have following advantage according to generating of the present invention and air-conditioning system: the used heat of engine is used to add hot water during the refrigerating operation of heat pump type air conditioner, and the operating period that heats at this heat pump type air conditioner is used to improve heating performance, heat load thereby can reduce, and maximize the efficient of this system.
Also has following advantage according to generating of the present invention and air-conditioning system: the cooling water of engine or the used heat of waste gas heating operating period at this heat pump type air conditioner, be used to preheating and blow to the air of this outdoor heat converter, thereby can prevent this outdoor heat converter frosting, and tackle the load that heats of this heat pump type air conditioner fast.
In addition, also have following advantage according to generating of the present invention and air-conditioning system: this water reheat heat exchanger circulating line branches away from this preheater circulating line, thereby can be only provide a hot medium pipeline for cooling water heat exchanger and exhaust-heat exchanger, so that be used for circulating line simple in structure of cooling water heat exchanger and exhaust-heat exchanger, and can be used in the quantity minimum of the control valve of thermal medium circulation.
Although disclosed the preferred embodiments of the present invention for illustrative purposes, those skilled in the art can be understood that, under the situation of the scope and spirit of the present invention that do not break away from claims and disclosed, can carry out various modifications, interpolation and replacement.
Claims (11)
1, a kind of generating and air-conditioning system comprise:
One engine;
One generator, it is connected to an output shaft of this engine, to generate electricity;
One heat pump type air conditioner, the electricity that it uses this generator to produce, and comprise a compressor, a direction valve, an outdoor heat converter, an expansion gear and an indoor heat converter;
One water reheat heat exchanger is in order to add hot water; And
Waste heat recovery plant, its used heat with this engine supply to this heat pump type air conditioner or supply to this water reheat heat exchanger.
2, generating as claimed in claim 1 and air-conditioning system, wherein this waste heat recovery plant comprises:
One cooling water heat exchanger is in order to absorb heat from the cooling water that is used for cooling off this engine;
One exhaust-heat exchanger is in order to absorb heat the waste gas of discharging from this engine; And
Heat-transfer arrangement, its during the refrigerating operation of this heat pump type air conditioner, from this cooling water heat exchanger and this exhaust-heat exchanger one of them transmits heat to this water reheat heat exchanger at least; And heating operating period of this heat pump type air conditioner, from this cooling water heat exchanger and this exhaust-heat exchanger one of them transmits heat to this heat pump type air conditioner at least.
3, generating as claimed in claim 2 and air-conditioning system, wherein this waste heat recovery plant also comprises:
One preheater, it blows to the outdoor air of this outdoor heat converter by this heat-transfer arrangement heating with preheating.
4, a kind of generating and air-conditioning system comprise:
One engine;
One generator, it is connected to an output shaft of this engine, to generate electricity;
One cooling water heat exchanger is in order to absorb heat from the cooling water that is used for cooling off this engine;
One exhaust-heat exchanger is in order to absorb heat the waste gas of discharging from this engine;
One heat pump type air conditioner, the electricity that it uses this generator to produce, and comprise a compressor, a direction valve, an outdoor heat converter, an expansion gear and an indoor heat converter;
One water reheat heat exchanger is in order to add hot water;
One preheater blows to the outdoor air of this outdoor heat converter in order to preheating; And
Heat-transfer arrangement, its during the refrigerating operation of this heat pump type air conditioner, from this cooling water heat exchanger and this exhaust-heat exchanger one of them transmits heat to this water reheat heat exchanger at least; And heating operating period of this heat pump type air conditioner, from this cooling water heat exchanger and this exhaust-heat exchanger one of them transmits heat to this preheater at least.
5, a kind of generating and air-conditioning system comprise:
One engine;
One generator, it is connected to an output shaft of this engine, to generate electricity;
One cooling water heat exchanger is in order to absorb heat from the cooling water that is used for cooling off this engine;
One exhaust-heat exchanger is in order to absorb heat the waste gas of discharging from this engine;
One heat pump type air conditioner, it uses this generator to produce, and comprise an outdoor unit and an indoor unit, this outdoor unit comprises a compressor, a direction valve, an outdoor heat converter and an expansion gear, and this indoor unit comprises an indoor heat converter;
One water reheat heat exchanger is in order to add hot water;
One preheater blows to the outdoor air of this outdoor heat converter in order to preheating; And
Heat-transfer arrangement, its during the refrigerating operation of this heat pump type air conditioner, from this cooling water heat exchanger and this exhaust-heat exchanger one of them transmits heat to this water reheat heat exchanger at least; And heating operating period of this heat pump type air conditioner, from this cooling water heat exchanger and this exhaust-heat exchanger one of them transmits heat to this preheater at least.
6, as claim 3 to 5 each described generating and air-conditioning system, wherein this heat-transfer arrangement comprises:
One preheater circulating line, its guiding thermal medium circulates by this cooling water heat exchanger, this exhaust-heat exchanger and this preheater; And
One water reheat heat exchanger circulating line, its guiding thermal medium circulates by this cooling water heat exchanger, this exhaust-heat exchanger and this water reheat heat exchanger.
7, generating as claimed in claim 6 and air-conditioning system, wherein this water reheat heat exchanger circulating line branches away from this preheater circulating line.
8, generating as claimed in claim 6 and air-conditioning system, wherein this heat-transfer arrangement also comprises:
One thermal medium circulating pump, it aspirates thermal medium with pump, and thus by this preheater circulating line or this water reheat heat exchanger circulating line this thermal medium that circulates.
9, generating as claimed in claim 6 and air-conditioning system, wherein this heat-transfer arrangement also comprises:
One control valve, it is this preheater circulating line of opening/closing and this water reheat heat exchanger circulating line selectively, and comes circulating thermal medium by one of them of this selected preheater circulating line and this water reheat heat exchanger circulating line thus.
10, generating as claimed in claim 9 and air-conditioning system, wherein this heat-transfer arrangement also comprises:
One controller, operation in order to this control valve of control during the refrigerating operation of this heat pump type air conditioner, wherein under refrigeration mode, this water reheat heat exchanger circulating line is opened, this preheater circulating line is closed, and controls the operation of this control valve in the operating period that heats of this heat pump type air conditioner, wherein under heating mode, this water reheat heat exchanger circulating line is closed, and this preheater circulating line is opened.
11, generating as claimed in claim 1 and air-conditioning system, wherein this engine, this generator, this indoor heat converter and this outdoor heat converter one of them can include a plurality of at least.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102004006481.9 | 2004-08-17 | ||
| DE102004006481 | 2004-08-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1737468A true CN1737468A (en) | 2006-02-22 |
Family
ID=36080353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2005100083448A Pending CN1737468A (en) | 2004-08-17 | 2005-02-17 | Electric generating and air conditioning system with water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1737468A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103375206A (en) * | 2012-04-12 | 2013-10-30 | 通用电气公司 | Combined power and water production system and method |
| CN108571833A (en) * | 2018-06-14 | 2018-09-25 | 珠海格力电器股份有限公司 | Air conditioning system |
-
2005
- 2005-02-17 CN CNA2005100083448A patent/CN1737468A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103375206A (en) * | 2012-04-12 | 2013-10-30 | 通用电气公司 | Combined power and water production system and method |
| CN108571833A (en) * | 2018-06-14 | 2018-09-25 | 珠海格力电器股份有限公司 | Air conditioning system |
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| CI01 | Correction of invention patent gazette |
Correction item: Priority Correct: [32]2004.08.17[33]KR[31]20-2004-0064819 False: [32]2004.08.17[33]DE[31]10-2004-006481.9 Number: 8 Volume: 22 |
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| CI02 | Correction of invention patent application |
Correction item: Priority Correct: [32]2004.08.17[33]KR[31]20-2004-0064819 False: [32]2004.08.17[33]DE[31]10-2004-006481.9 Number: 8 Volume: 22 |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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