CN111637664A - Impeller type evaporation heat exchanger and air-conditioning refrigeration system - Google Patents

Impeller type evaporation heat exchanger and air-conditioning refrigeration system Download PDF

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Publication number
CN111637664A
CN111637664A CN202010333781.1A CN202010333781A CN111637664A CN 111637664 A CN111637664 A CN 111637664A CN 202010333781 A CN202010333781 A CN 202010333781A CN 111637664 A CN111637664 A CN 111637664A
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CN
China
Prior art keywords
impeller
air
heat exchanger
end disc
refrigeration system
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Pending
Application number
CN202010333781.1A
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Chinese (zh)
Inventor
莫顺权
梁晓恩
毛萌节
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Guangdong Fenni Electrical Technology Co ltd
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Guangdong Fenni Electrical Technology Co ltd
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Publication date
Application filed by Guangdong Fenni Electrical Technology Co ltd filed Critical Guangdong Fenni Electrical Technology Co ltd
Priority to CN202010333781.1A priority Critical patent/CN111637664A/en
Publication of CN111637664A publication Critical patent/CN111637664A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B39/00—Evaporators; Condensers
    • F25B39/02—Evaporators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
    • F04D29/282—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers the leading edge of each vane being substantially parallel to the rotation axis
    • F04D29/283—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers the leading edge of each vane being substantially parallel to the rotation axis rotors of the squirrel-cage type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/30—Vanes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/44—Fluid-guiding means, e.g. diffusers
    • F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/30—Arrangement or mounting of heat-exchangers

Abstract

The invention relates to an impeller type evaporative heat exchanger, which comprises an air guide shell and an impeller assembly, wherein two ends of the impeller assembly are rotatably arranged in an inner cavity of the air guide shell through hollow shafts, the hollow shafts at the two ends are respectively provided with a rotary joint in a sealing manner, and the air guide shell is provided with an air inlet and an air outlet; each fan blade of the impeller component is of a hollow structure, and the two ends of each fan blade are communicated with the hollow shafts at the two ends of the impeller component. The impeller type evaporation heat exchanger provided by the invention integrates the gas flow driving and evaporation heat exchange functions, not only can realize the function of a fan, but also can realize the function of an evaporator by introducing a refrigerant into the impeller assembly, the impeller assembly keeps rotating while evaporation heat exchange, the refrigerant flows through the blades which rotate ceaselessly and evaporates for heat exchange, the heat exchange effect is further improved, and the heat exchange performance is further improved under the same heat exchange area compared with the traditional evaporator.

Description

Impeller type evaporation heat exchanger and air-conditioning refrigeration system
Technical Field
The invention relates to the technical field of heat exchangers, in particular to an impeller type evaporation heat exchanger with gas flow driving and evaporation heat exchange functions, which can be used in the technical field of air-conditioning refrigeration and heat pump systems.
Background
Due to the popularization and application of frequency conversion technology, air-increasing enthalpy-spraying technology and the like in air-conditioning refrigeration and heat pump systems in recent years, the living environment of China is further improved in the aspects of comfort and energy conservation. However, the upgrading of the new technology also causes the problems of high manufacturing cost of the whole machine, complex production process requirements, limited installation after sale and the like, and particularly, the machine has large volume, no reserved position or is not beautiful.
The traditional air-conditioning refrigeration and heat pump system consists of a compressor, an evaporator, a condenser, a throttling device and other key components, wherein the evaporation heat exchange of the evaporator also needs a fan to drive airflow to carry out enhanced heat exchange, the evaporator and the fan have larger volumes, and the assembly of the evaporator and the fan also needs other auxiliary components and an installation process.
The invention relates to an impeller type evaporation heat exchanger with gas flow driving and evaporation heat exchange functions, which integrates the functions of a fan and an evaporator in a traditional air-conditioning refrigeration and heat pump system, reduces the number of parts, saves the space of the whole machine, and further improves the heat exchange performance under the same heat exchange area.
Disclosure of Invention
The invention aims to at least solve one of the technical problems of a large number of components and high requirement on installation space of an air-conditioning refrigeration system in the prior art. Therefore, the impeller type evaporation heat exchanger can save the installation space and can further improve the heat exchange performance under the same heat exchange area.
The technical scheme adopted by the invention for solving the technical problems is as follows: the impeller type evaporative heat exchanger comprises an air guide shell and impeller components, wherein two ends of each impeller component are rotatably arranged in an inner cavity of the air guide shell through hollow shafts, the hollow shafts at the two ends are respectively provided with a rotary joint in a sealing manner, and the air guide shell is provided with an air inlet and an air outlet; each fan blade of the impeller component is of a hollow structure, and the two ends of each fan blade are communicated with the hollow shafts at the two ends of the impeller component.
In a preferred embodiment of the impeller-type evaporative heat exchanger provided by the invention, the impeller-type evaporative heat exchanger further comprises a driving device, and the driving device drives the impeller assembly to rotate.
In a preferred embodiment of the impeller-type evaporation heat exchanger provided by the invention, the impeller assembly comprises a left end disc, a right end disc and a plurality of blades, the left end disc is arranged opposite to the right end disc, and the plurality of blades are annularly and uniformly distributed between the left end disc and the right end disc; a channel penetrating through the blade is arranged in each blade; and a shunting channel communicated with each blade is arranged in the left end disc and the right end disc.
In a preferred embodiment of the impeller-type evaporative heat exchanger provided by the invention, the left end disc and the right end disc are respectively communicated with the hollow shaft.
In a preferred embodiment of the impeller-type evaporative heat exchanger provided by the present invention, the impeller assembly further includes a plurality of reinforcing ribs, the plurality of reinforcing ribs are uniformly distributed along the length direction of the impeller assembly, and each of the blades passes through the reinforcing ribs.
The refrigeration system of the invention adopts the impeller type evaporation heat exchanger in any one of the above embodiments, and the evaporation radiator replaces a blower and an evaporator in the air-conditioning refrigeration system.
The refrigeration system of the invention adopts the impeller type evaporation heat exchanger in any of the above embodiments, the evaporation radiator replaces a blower in the air-conditioning refrigeration system, and meanwhile, a refrigerant is also connected to the impeller assembly.
Compared with the prior art, the impeller type evaporation heat exchanger provided by the invention has the beneficial effects that:
the impeller type evaporation heat exchanger provided by the invention integrates gas flow driving and evaporation heat exchange functions, not only can realize the function of a fan, but also can realize the function of an evaporator by introducing a refrigerant into an impeller assembly, the impeller assembly keeps rotating while performing evaporation heat exchange, the refrigerant flows through blades which rotate ceaselessly and performs evaporation heat exchange, the heat exchange effect is further improved, and the heat exchange performance is further improved under the same heat exchange area compared with the traditional evaporator;
the air-conditioning refrigeration system adopting the evaporative heat exchanger can directly replace a blower and an evaporator in the traditional air-conditioning refrigeration system, greatly reduces the installation space of the air-conditioning refrigeration system, and simplifies the installation process;
and thirdly, the air-conditioning refrigeration system adopting the evaporation heat exchanger can also directly replace an air blower in the traditional air-conditioning refrigeration system, at the moment, the evaporation heat exchanger plays a role in driving air flow, and meanwhile, the refrigerant is also connected into the impeller assembly, so that the heat exchange efficiency is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a schematic structural view of an impeller-type evaporative heat exchanger provided in accordance with the present invention;
FIG. 2 is an exploded view of the impeller-type evaporative heat exchanger provided in FIG. 1;
FIG. 3 is a refrigerant flow phase diagram of the impeller assembly provided in FIG. 2;
fig. 4 is a connection structure diagram of the left end disk or the right end disk of the impeller assembly and blades provided in fig. 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1 and 2, the impeller-type evaporative heat exchanger 1 includes an air guide housing 11 and an impeller assembly 12, two ends of the impeller assembly 12 are rotatably mounted in an inner cavity of the air guide housing 11 through a hollow shaft 13, a rotating structure may be a rotating connection structure of the hollow shaft and a bearing seat, the hollow shaft 13 at two ends is hermetically mounted with a rotary joint 14, the rotary joint is disposed, when the impeller assembly rotates, the rotary joint can be kept stationary, so as to introduce a refrigerant into the rotary joint, in order to ensure the rotating seal between the rotary joint and the hollow shaft, the rotary joint and the hollow shaft are mounted in a high-pressure sealed manner, the air guide housing 11 is provided with an air inlet 112 and an air outlet 114, as shown in fig. 1, the air inlet can be disposed at the top of the air guide housing, and the air outlet is disposed at.
Each fan blade 122 of the impeller assembly 12 is of a hollow structure, and both ends of each fan blade 122 are communicated with the hollow shafts 13 at both ends of the impeller assembly 12.
The cross-sectional shape of the blades 122 of the impeller assembly 12 of the present embodiment may be referred to the blade shape of a crossflow blower.
The impeller-type evaporation heat exchanger that this embodiment provided, gas collection flow drive and evaporation heat transfer function in an organic whole, can realize the function of fan, can let in the function that the evaporimeter was realized to the refrigerant again to impeller subassembly, and impeller subassembly keeps rotating in the evaporation heat transfer, and the refrigerant flows through and the evaporation heat transfer in incessantly pivoted blade, has further improved the heat transfer effect, for traditional evaporimeter, heat transfer performance also further promotes under same heat transfer area.
Further, in order to realize the rotation of the impeller assembly, the impeller-type evaporative heat exchanger of the present embodiment further includes a driving device (not shown in the drawings), and the driving device drives the impeller assembly to rotate. The manner in which the drive means of this embodiment drives the rotation of the impeller assembly includes, but is not limited to, gearing.
Example two
Based on the first embodiment, referring to fig. 2 to 4, the impeller assembly 12 of the present embodiment includes a left end disc 121, a right end disc 123 and a plurality of blades 122, wherein the left end disc 121 is disposed opposite to the right end disc 123, and the plurality of blades 122 are annularly and uniformly distributed between the left end disc 121 and the right end disc 123; a channel 1220 is arranged in each blade 122 and penetrates through the blade; a flow dividing channel 1200 communicated with each blade 122 is arranged in each of the left end disc 121 and the right end disc 123; the left end disc 121 and the right end disc 123 are respectively communicated with the hollow shaft 13.
The impeller assembly of this embodiment has realized the intercommunication of each fan blade with left end dish, right-hand member dish and hollow shaft, can let in the refrigerant in to the impeller assembly, realizes the evaporation heat transfer.
EXAMPLE III
Based on the second embodiment, the impeller assembly 12 of this embodiment further includes a plurality of reinforcing ribs 124, the plurality of reinforcing ribs 124 are uniformly distributed along the length direction of the impeller assembly 12, and each of the blades 122 passes through the reinforcing ribs 124. The design of the reinforcing ribs increases the installation stability of the blade.
Example four
Based on any one of the above embodiments, the refrigeration system of the present invention employs the impeller-type evaporative heat exchanger 1 described in any one of the above embodiments, and the evaporative heat sink 1 replaces a blower and an evaporator in the air-conditioning refrigeration system.
The air-conditioning refrigeration system adopting the evaporative heat exchanger can directly replace an air blower and an evaporator in the traditional air-conditioning refrigeration system, greatly reduces the installation space of the air-conditioning refrigeration system, and simplifies the installation process.
EXAMPLE five
Based on any of the above embodiments, the refrigeration system of the present invention employs the impeller-type evaporation heat exchanger 1 described in any of the above embodiments, the evaporation heat sink 1 replaces a blower in the air-conditioning refrigeration system, and meanwhile, the refrigerant is also connected to the impeller assembly 12.
The air-conditioning refrigeration system adopting the evaporation heat exchanger can also directly replace an air blower in the traditional air-conditioning refrigeration system, at the moment, the evaporation heat exchanger plays a role in driving air flow, and meanwhile, the refrigerant is also connected into the impeller assembly, so that the heat exchange efficiency is improved.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (7)

1. An impeller type evaporation heat exchanger is characterized in that: the air guide device comprises an air guide shell and an impeller assembly, wherein two ends of the impeller assembly are rotatably arranged in an inner cavity of the air guide shell through hollow shafts, the hollow shafts at the two ends are respectively provided with a rotary joint in a sealing manner, and the air guide shell is provided with an air inlet and an air outlet;
each fan blade of the impeller component is of a hollow structure, and the two ends of each fan blade are communicated with the hollow shafts at the two ends of the impeller component.
2. The impeller-type evaporative heat exchanger of claim 1, wherein: the impeller assembly further comprises a driving device, and the driving device drives the impeller assembly to rotate.
3. The impeller-type evaporative heat exchanger of claim 1, wherein: the impeller assembly comprises a left end disc, a right end disc and a plurality of blades, the left end disc is arranged opposite to the right end disc, and the plurality of blades are annularly and uniformly distributed between the left end disc and the right end disc;
a channel penetrating through the blade is arranged in each blade;
and a shunting channel communicated with each blade is arranged in the left end disc and the right end disc.
4. An impeller-type evaporative heat exchanger according to claim 3, wherein: the left end disc and the right end disc are respectively communicated with the hollow shaft.
5. An impeller-type evaporative heat exchanger according to claim 3, wherein: the impeller assembly further comprises a plurality of reinforcing ribs which are uniformly distributed along the length direction of the impeller assembly, and each blade penetrates through the reinforcing ribs.
6. An air conditioning refrigeration system characterized by: the impeller type evaporation heat exchanger as claimed in any one of claims 1 to 5 is applied to the refrigeration system, and the evaporation heat radiator replaces a blower and an evaporator in the air-conditioning refrigeration system.
7. An air conditioning refrigeration system characterized by: the impeller type evaporation heat exchanger as claimed in any one of claims 1 to 5 is applied to the refrigeration system, the evaporation radiator replaces an air blower in the air-conditioning refrigeration system, and meanwhile, a refrigerant is connected to the impeller assembly.
CN202010333781.1A 2020-04-24 2020-04-24 Impeller type evaporation heat exchanger and air-conditioning refrigeration system Pending CN111637664A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115046332A (en) * 2022-06-21 2022-09-13 南通欧意姆制冷设备有限公司 Impeller type evaporation heat exchanger of refrigerating system
CN115500064A (en) * 2022-11-16 2022-12-20 深圳市飞尚众成科技有限公司 Ventilation device and ventilation method based on machine room environment monitoring

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN86100508A (en) * 1986-02-03 1987-08-12 俞大邦 Rotating heat-tube air condition device
US20100180631A1 (en) * 2009-01-21 2010-07-22 Appollo Wind Technologies Llc Turbo-compressor-condenser-expander
CN101929812A (en) * 2010-08-19 2010-12-29 臧宝华 Fan realizing converse heat exchange by utilizing hollow blades
CN107764106A (en) * 2017-09-22 2018-03-06 昆明理工大学 A kind of rotation blade heat exchanger
CN207230984U (en) * 2017-08-11 2018-04-13 深圳市伟力低碳股份有限公司 Energy-saving type air conditioner refrigeration system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN86100508A (en) * 1986-02-03 1987-08-12 俞大邦 Rotating heat-tube air condition device
US20100180631A1 (en) * 2009-01-21 2010-07-22 Appollo Wind Technologies Llc Turbo-compressor-condenser-expander
CN101929812A (en) * 2010-08-19 2010-12-29 臧宝华 Fan realizing converse heat exchange by utilizing hollow blades
CN207230984U (en) * 2017-08-11 2018-04-13 深圳市伟力低碳股份有限公司 Energy-saving type air conditioner refrigeration system
CN107764106A (en) * 2017-09-22 2018-03-06 昆明理工大学 A kind of rotation blade heat exchanger

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115046332A (en) * 2022-06-21 2022-09-13 南通欧意姆制冷设备有限公司 Impeller type evaporation heat exchanger of refrigerating system
CN115046332B (en) * 2022-06-21 2024-01-19 南通欧意姆制冷设备有限公司 Impeller type evaporation heat exchanger of refrigerating system
CN115500064A (en) * 2022-11-16 2022-12-20 深圳市飞尚众成科技有限公司 Ventilation device and ventilation method based on machine room environment monitoring

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Application publication date: 20200908