CN202393070U - Thermo-motive type ground source heat pump air conditioner - Google Patents

Thermo-motive type ground source heat pump air conditioner Download PDF

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Publication number
CN202393070U
CN202393070U CN2011205433843U CN201120543384U CN202393070U CN 202393070 U CN202393070 U CN 202393070U CN 2011205433843 U CN2011205433843 U CN 2011205433843U CN 201120543384 U CN201120543384 U CN 201120543384U CN 202393070 U CN202393070 U CN 202393070U
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CN
China
Prior art keywords
heat pump
working medium
generator
connects
pump air
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Expired - Fee Related
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CN2011205433843U
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Chinese (zh)
Inventor
谢学军
王彬
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JIANGSU HEZHENG ENERGY TECHNOLOGY Co Ltd
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JIANGSU HEZHENG ENERGY TECHNOLOGY Co Ltd
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Priority to CN2011205433843U priority Critical patent/CN202393070U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/27Relating to heating, ventilation or air conditioning [HVAC] technologies
    • Y02A30/274Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine

Abstract

The utility model discloses a thermo-motive type ground source heat pump air conditioner, which is characterized by including a refrigerant circulating system and an expansion machine system, wherein a power output shaft of the expansion machine system is in drive connection with a compressor of the refrigerant circulating system; a condensing coil of the refrigerant circulating system is positioned in a generator of the expansion machine system; and the refrigerant circulating system includes an outdoor pipe laying system in heat exchange connection. The thermo-motive type ground source heat pump air conditioner provided by the utility model is reasonably designed, can effectively improve the refrigeration energy efficiency ratio, and can combine the refrigerating unit driven by electric energy in the manner that low-grade heat energy is converted into mechanical energy, thereby reducing the electric energy consumption of the entire refrigeration air conditioner system, improving the energy efficiency of the refrigeration air conditioner and reducing the heat emitted by the ground source heat pump to the underground at the same time, that is to say, the amount of outdoor laid pipes is reduced, the construction cost is reduced, the energy efficiency ratio of the ground source heat pump unit is improved, and the power of a cooling water circulating pump can be lowered.

Description

The hot power geothermal heat pump air-conditioner
Technical field
The utility model belongs to refrigeration and heating combined equipment technology, and concrete to relate to a kind of electric power that is applied to be that the energy and improve through the used heat utilization freezes and the hot power geothermal heat pump air-conditioner of heating energy efficiency ratio.
Background technology
In the prior art, refrigeration system mainly is the energy with electric power, can be divided into centrifugal air-conditioning unit, air-cooled air-conditioning unit, piston type air-conditioner unit, the screw air-conditioning unit equipressure formula air-conditioning unit that contracts; The central air-conditioning that also has is the energy with the fossil fuel, and it can be divided into the lithium bromide absorption type air conditioner group according to working medium type difference, ammonia-water absorption type air-conditioning unit etc.The compression-type refrigeration unit Energy Efficiency Ratio that with electric power is the energy is higher with respect to the absorption type air-conditioner unit, but consumes high-grade electric energy; The absorption type air-conditioner unit consumes fossil fuel or industrial waste heat resource, but Energy Efficiency Ratio is low, is generally less than 1.Conventional centrifugal hot and cold water unit adopts centrifugal compressor to drive working medium circular flow, realizes under the different operating modes freezing or heating, and centrifugal compressor is by motor driven.The running of air conditioner refrigerating technology is the refrigeration air-conditioner unit through consuming high-grade electric energy or fossil fuel at present, is discharged to heat energy too much in the building outside the building, thereby reaches the effect that temperature lowers in the building.All kinds of buildings use above-mentioned central air-conditioning all can have following defective, for example summer power shortage; City local air temperature raises significantly, tropical island effect occurs; And excessive air-conditioning refrigerant fluorochemical is discharged in the atmosphere problem that damages the ozone layer.Above-mentioned refrigeration air-conditioner also consumes mass energy simultaneously, has directly or indirectly increased the discharging of CO2.
Summary of the invention
The utility model provides a kind of reasonable in design, hot power geothermal heat pump air-conditioner that can effectively improve the refrigeration efficiency ratio.It can realize the refrigeration unit that electric energy drives and utilize low grade heat energy to carry out mechanical energy transforming combination, thereby reduces the power consumption of whole refrigerated air-conditioning system, improves the efficiency of refrigeration air-conditioner, has reduced the heat of earth source heat pump to subsurface disposal simultaneously.Promptly reduce the quantity of outdoor pipe laying, reduced cost, improved the Energy Efficiency Ratio of earth source heat pump unit again, also can reduce the power of cooling water circulating pump.
The technical scheme that the utility model adopted is following:
A kind of hot power geothermal heat pump air-conditioner is characterized in that said geothermal heat pump air-conditioner comprises refrigerant-cycle systems and expander system, and a power output shaft of said expander system is connected with a driven compressor of refrigerant-cycle systems; The condenser coil of said refrigerant-cycle systems is positioned at the generator of said expander system; The outdoor pipe laying system that cooling cycle system comprises that a heat exchange connects.
In one embodiment; Said refrigerant-cycle systems comprises an evaporimeter; Be provided with the cooling coil that is connected with the ventilated disc guard system in this evaporimeter; This steamer also connects the low-temperature refrigerant pipeline is set, and the other end of this low-temperature refrigerant pipeline is communicated with the outlet of the condenser coil that is positioned at said generator.
In one embodiment, after said low-temperature refrigerant pipeline is drawn via said evaporimeter, the outlet of the coil pipe in the after-condenser of connecting, the inlet of this coil pipe connects the outlet of the condenser coil in the said generator; This after-condenser connects the circulation line of an outdoor pipe laying system.
In one embodiment, said evaporimeter also is communicated with a compressor is set, and this compressor connects the inlet of said condenser coil through a high temperature refrigerant jet chimney.
In one embodiment, said compressor is driven by a variable-frequency motor and connects, and this drive motors is equipped with frequency-changing control system is set.
In another embodiment; Said expander system comprises generator, economic benefits and social benefits heat energy translator, secondary heat exchange device, decompressor and absorber, is provided with working medium transfer pipeline and circulating pump between said generator, economic benefits and social benefits heat energy translator, secondary heat exchange device and the absorber.
In the embodiment, said generator top is provided with normal temperature high concentration working medium spray equipment again, warm working medium catch box during the bottom is provided with, and warm working medium catch box connects the working medium spray equipment at secondary generator top in this through a working medium transfer pipeline.
In the another embodiment; The top of said generator is positioned at the working substance steam nozzle of economic benefits and social benefits heat energy translator through working substance steam pipeline connection one; This working medium nozzle is communicated with the air inlet of decompressor via certain compression swelling device; The level pressure expander connects warm medium steam passage in, and warm medium steam passage connects the top of secondary generator in this.
In one embodiment; The exhaust outlet of said decompressor connects the top of absorber; The top of this absorber is provided with a low-temperature and low-concentration working medium spray equipment, and this low-temperature and low-concentration spray equipment is positioned at the low concentration working medium catch box of secondary generator bottom through cryogenic fluid pipeline connection one.
In one embodiment; The bottom of said absorber is provided with high concentration working medium catch box; This high concentration working medium catch box connects a high concentration working medium carrier pipe, and the other end of this high concentration working medium carrier pipe is positioned at the top of generator and connects a normal temperature high concentration working medium spray equipment.
This hot power geothermal heat pump air-conditioner adopts expander system as auxiliary power source; Be converted into mechanical energy through expander system utilization low grade heat energy or other low grade heat energies in the building to outer discharging; This mechanical energy is as the compressor bank process auxiliary drive energy of refrigerant-cycle systems; Make whole refrigerant-cycle systems have higher Energy Efficiency Ratio; Reduce the energy resource consumption of refrigerant-cycle systems, and reduced the used heat resource and enter in the outer environment of building, effectively reduced outdoor environment temperature; This expander system can also reduce the use cost of refrigerant-cycle systems simultaneously, alleviates electricity consumption pressure, and reduces emission of carbon-dioxide.It has also reduced the heat of outdoor pipe laying system to subsurface disposal simultaneously.Reduce the quantity of outdoor pipe laying on the one hand, reduced cost, improved the Energy Efficiency Ratio of earth source heat pump unit again, also can reduce the power of cooling water circulating pump.
Under cooling condition, compressor adopts variable-frequency motor and decompressor driven in common; During unit starting, compressor is by the variable-frequency motor single driving, when treating that decompressor is converted into shaft work output to air-conditioning waste heat, and driven in common; The power output checkout gear is installed on decompressor, and the power output of decompressor power output and variable-frequency motor is mated by frequency-changing control system; Under the different refrigeration duty of air-conditioning, variable-frequency motor is exported corresponding power.
The beneficial effect of the utility model is, this hot power geothermal heat pump air-conditioner is reasonable in design, can effectively improve the refrigeration efficiency ratio.It can realize the refrigeration unit that electric energy drives and utilize low grade heat energy to carry out mechanical energy transforming combination, thereby reduces the power consumption of whole refrigerated air-conditioning system, improves the efficiency of refrigeration air-conditioner, has reduced the heat of earth source heat pump to subsurface disposal simultaneously.Promptly reduce the quantity of outdoor pipe laying, reduced cost, improved the Energy Efficiency Ratio of earth source heat pump unit again, also can reduce the power of cooling water circulating pump.
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is done further elaboration.
Description of drawings
Fig. 1 is the structural representation of the utility model specific embodiment.
The specific embodiment
This hot power geothermal heat pump air-conditioner is the novel refrigerant circulatory system that is applied to field of heating ventilation air conditioning, its adopt electric energy as drive energy in, utilize in the building to the low grade heat energy of outer discharging, make it change into mechanical energy.Mechanical energy is drive compression unit refrigeration again, thereby reduces the electric energy input of whole refrigerant-cycle systems, improves the Energy Efficiency Ratio of refrigerant-cycle systems.
As shown in Figure 1, this hot power geothermal heat pump air-conditioner mainly comprises refrigerant-cycle systems, outdoor heat exchange system and expander system.One power output shaft 131 of expander system drives with a compressor 220 of refrigerant-cycle systems and is connected; The condenser coil 112 of the cold-producing medium of refrigerant-cycle systems is positioned at the generator 110 of expander system.This condenser coil is realized afterheat utilization and is converted mechanical energy into by expander system as the thermal source heat exchanger in the generator.
Refrigerant-cycle systems has an evaporimeter 210; Be provided with the cooling coil 211 that is connected with the ventilated disc guard system in this evaporimeter; For the user provides low-temperature receiver, the evaporimeter connection is provided with a low-temperature refrigerant pipeline 212, and the other end of this low-temperature refrigerant pipeline is communicated with the outlet of the condenser coil 112 that is positioned at generator; Cold-producing medium in the condenser coil in generator 110 after the process heat exchange can be used as the evaporation heat-absorbing medium of evaporimeter 210 after supercooling; After this low-temperature refrigerant pipeline 212 is drawn via evaporimeter, the outlet of the coil pipe 241 in the after-condenser 240 of connecting, the inlet of this coil pipe connects the outlet of the condenser coil in the generator; The cooling water circulation line of the outer pipe laying system 242 of these after-condenser 240 junction chambers.Can further reduce the temperature of cold-producing medium through this after-condenser 240, realize the effect of evaporation heat absorption in the better evaporimeter.The other end connection of evaporimeter 210 is provided with compressor 220, and this compressor connects the inlet of condenser coils 112 through a high temperature refrigerant jet chimney 221.Form the circulation of a cold-producing medium thus.Compressor 220 is driven by a variable-frequency motor 222 and connects, and this drive motors is equipped with frequency-changing control system 223 is set.
Expander system comprises generator 110, economic benefits and social benefits heat energy translator 120, secondary heat exchange device 124, decompressor 130 and absorber 140; Be provided with working medium transfer pipeline and circulating pump between generator 110, economic benefits and social benefits heat energy translator 120, secondary heat exchange device 124 and the absorber 140, realize that the circulation of working medium is carried.Generator 110 tops are provided with normal temperature high concentration working medium spray equipment; Warm working medium catch box 113 during the bottom is provided with; The middle part is a condenser coil 112, and warm working medium catch box 113 connects the working medium spray equipment at secondary generator 124 tops in this through a working medium transfer pipeline 114.The top of generator 110 is positioned at the working substance steam nozzle 111 of economic benefits and social benefits heat energy translator through working substance steam pipeline connection one; This working medium nozzle is communicated with the air inlet 121 of decompressor via certain compression swelling device 122; Level pressure expander 122 connects warm medium steam passage 123 in, and warm medium steam passage 123 connects the top of secondary generator 124 in this.The exhaust outlet of decompressor connects the top of absorber 140; The top of this absorber is provided with a low-temperature and low-concentration working medium spray equipment, and this low-temperature and low-concentration spray equipment connects the low concentration working medium catch box 125 that is positioned at secondary generator bottom through a cryogenic fluid pipeline 126.The bottom of absorber is provided with high concentration working medium catch box 141; This high concentration working medium catch box 141 connects a high concentration working medium carrier pipe 142, and the other end of this high concentration working medium carrier pipe is positioned at the top of generator 110 and connects normal temperature high concentration working medium spray equipment.

Claims (10)

1. a hot power geothermal heat pump air-conditioner is characterized in that said geothermal heat pump air-conditioner comprises refrigerant-cycle systems and expander system, and a power output shaft of said expander system is connected with a driven compressor of refrigerant-cycle systems; The condenser coil of said refrigerant-cycle systems is positioned at the generator of said expander system; The outdoor pipe laying system that cooling cycle system comprises that a heat exchange connects.
2. hot power geothermal heat pump air-conditioner according to claim 1; It is characterized in that said refrigerant-cycle systems comprises an evaporimeter; Be provided with the cooling coil that is connected with the ventilated disc guard system in this evaporimeter; This steamer also connects the low-temperature refrigerant pipeline is set, and the other end of this low-temperature refrigerant pipeline is communicated with the outlet of the condenser coil that is positioned at said generator.
3. hot power geothermal heat pump air-conditioner according to claim 2; After it is characterized in that said low-temperature refrigerant pipeline is drawn via said evaporimeter; The connect outlet of the coil pipe in the after-condenser, the inlet of this coil pipe connects the outlet of the condenser coil in the said generator; This after-condenser connects the circulation line of an outdoor pipe laying system.
4. hot power geothermal heat pump air-conditioner according to claim 2 is characterized in that said evaporimeter also is communicated with a compressor is set that this compressor connects the inlet of said condenser coil through a high temperature refrigerant jet chimney.
5. hot power geothermal heat pump air-conditioner according to claim 1 is characterized in that said compressor drives connection by a variable-frequency motor, and this drive motors is equipped with frequency-changing control system is set.
6. hot power geothermal heat pump air-conditioner according to claim 1; It is characterized in that said expander system comprises generator, economic benefits and social benefits heat energy translator, secondary heat exchange device, decompressor and absorber, is provided with working medium transfer pipeline and circulating pump between said generator, economic benefits and social benefits heat energy translator, secondary heat exchange device and the absorber.
7. hot power geothermal heat pump air-conditioner according to claim 6; It is characterized in that said generator top is provided with normal temperature high concentration working medium spray equipment; Warm working medium catch box during the bottom is provided with, warm working medium catch box connects the working medium spray equipment at secondary generator top in this through a working medium transfer pipeline.
8. hot power geothermal heat pump air-conditioner according to claim 7; It is characterized in that the top of said generator is positioned at the working substance steam nozzle of economic benefits and social benefits heat energy translator through working substance steam pipeline connection one; This working medium nozzle is communicated with the air inlet of decompressor via certain compression swelling device; The level pressure expander connects warm medium steam passage in, and warm medium steam passage connects the top of secondary generator in this.
9. hot power geothermal heat pump air-conditioner according to claim 6; It is characterized in that the exhaust outlet of said decompressor connects the top of absorber; The top of this absorber is provided with a low-temperature and low-concentration working medium spray equipment, and this low-temperature and low-concentration spray equipment is positioned at the low concentration working medium catch box of secondary generator bottom through cryogenic fluid pipeline connection one.
10. hot power geothermal heat pump air-conditioner according to claim 6; The bottom that it is characterized in that said absorber is provided with high concentration working medium catch box; This high concentration working medium catch box connects a high concentration working medium carrier pipe, and the other end of this high concentration working medium carrier pipe is positioned at the top of generator and connects a normal temperature high concentration working medium spray equipment.
CN2011205433843U 2011-12-22 2011-12-22 Thermo-motive type ground source heat pump air conditioner Expired - Fee Related CN202393070U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011205433843U CN202393070U (en) 2011-12-22 2011-12-22 Thermo-motive type ground source heat pump air conditioner

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Application Number Priority Date Filing Date Title
CN2011205433843U CN202393070U (en) 2011-12-22 2011-12-22 Thermo-motive type ground source heat pump air conditioner

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CN202393070U true CN202393070U (en) 2012-08-22

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112178867A (en) * 2020-08-20 2021-01-05 珠海格力电器股份有限公司 Refrigeration system of air conditioner, air conditioner and refrigeration control method of air conditioner

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112178867A (en) * 2020-08-20 2021-01-05 珠海格力电器股份有限公司 Refrigeration system of air conditioner, air conditioner and refrigeration control method of air conditioner

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C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120822

Termination date: 20131222