CN201724388U - Heat pump water heating device employing micro-channel parallel flow falling film condenser - Google Patents
Heat pump water heating device employing micro-channel parallel flow falling film condenser Download PDFInfo
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- CN201724388U CN201724388U CN2010201529293U CN201020152929U CN201724388U CN 201724388 U CN201724388 U CN 201724388U CN 2010201529293 U CN2010201529293 U CN 2010201529293U CN 201020152929 U CN201020152929 U CN 201020152929U CN 201724388 U CN201724388 U CN 201724388U
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Abstract
The utility model discloses a heat pump water heating device employing a micro-channel parallel flow falling film condenser, which comprises an outdoor unit and a water storage tank externally wound by a heat exchange pipe, wherein the heat exchange pipe adopts an aluminum micro-channel parallel flow falling film condenser structure. According to the changes of thermal status and characteristics of liquid being condensed in the condenser, a grading heat exchange enhancing measure is taken as follows: liquor condensate is exhausted to a liquid collection area in time via a steam trap, so that high void fraction is kept during the condensing process, the thickness of the condensed liquid membrane is efficiently reduced, the optimum intensity of condensation heat exchange is kept, the overall heat exchange coefficient of the heat exchange pipe of the condenser is greatly increased, and material of the heat exchange pipe is saved by 30-40 percent or higher. The device radically solves the problems of excessive resistance loss and non-uniform distribution of the subdivision liquid in the condensation section in the micro-channel condenser, realizes fundamental adjustment of the micro-channel parallel flow condensation heat exchange, and has simple and reliable manufacturing process, thereby being applicable to miniature heat pump water heaters, air-conditioning water heaters, and various other medium and small sized refrigerators employing externally wound heat exchangers.
Description
Technical field
The utility model relates to a kind of heat-pump water heater that adopts micro-channel parallel flow falling liquid film condenser, belongs to micro-channel parallel flow heat exchange and heat pump water-heating machine technical group field.
Background technology
The heat exchange element of the condenser of employings such as air conditioner refrigerating main frame, middle-size and small-size Teat pump boiler often adopts materials such as copper, stainless steel to make at present, but its price is higher and long-term trend are up, simultaneously, the heat transfer intensity of the condensation technology that conventional condenser adopts is not high, need by increasing the needs that the tubing area satisfies the heat exchange amount, can further cause cost rising or artificial performance not high again, therefore adopt condensation technology and the material that thermal property is better, cost is lower to have urgency and practical value.
Aluminum micro-channel parallel flow technology is a kind of advanced practical heat transfer technology, in air conditioning for automobiles industry large-scale promotion, and also existing some specific questions at family expenses and commercial heat-pump hot-water unit, distinct issues comprise problems such as drag losses is big, separatory is inhomogeneous, condensing heat-exchange intensity is not high at present.
How the exchange capability of heat of enforcing condensation device is one of main focus of the theoretical and application facet of art of heat pumps always, in recent years along with people have carried out more deep theory and experimental study for the two phase flow heat transfer process of the complexity that takes place in the condenser, its heat exchange characteristic and optimization measure thereof are also carried out more discussion, and obtained some important achievement and progress.For example, investigate the development characteristic of the two phase flow of the complexity in the condensing heat-exchange, along with increasing of condensation water, the cavity rate of reflection steam proportion reduces gradually on the heat exchanger tube cross section, and the liquid film between moist steam and tube wall is progressive additive also, and its proportion in heat transfer resistance is more and more, and become principal contradiction, cause the condenser exchange capability of heat to descend, and many producers are for saving the as far as possible little heat exchanger of cost apolegamy, the reduction that brings heat pump heating capacity and Energy Efficiency Ratio thereof (COP).If take measures the cavity rate of locality, heat exchange cross section is improved, its thickness of liquid film attenuate, thus effectively reduce the condensation heat transfer thermal resistance, improve exchange capability of heat, just can obtain better condensation effect, effectively reduce the condenser cost.This theory is also confirmed by some newest research results, for example the patent No. is 02130914.0,200520124971.3 etc. promptly to be the condenser enhanced heat exchange problem that the method that adopts uniform flow to strengthen condensation process solves big-and-middle-sized handpiece Water Chilling Units, but be used for the micro-channel parallel flow heat exchange and also have very big problem, influence the thermal property index of heat pump etc.For this reason, be necessary to seek the better falling liquid film condensation method of controllability.
The utility model content
The purpose of this utility model and task are, problem at above-mentioned existence, adopt up-to-date condensation heat transfer two phase flow theory, micro-channel parallel flow theory and practice achievement, in micro-channel condenser, adopt variable cross-section to combine with discharge opeing in time, strengthen the heat transfer intensity in each stage of condensation process, the condensation water film thickness that particularly reduces heat exchanger tube surface in the condensation process is significantly to improve condensation heat transfer intensity, thereby significantly strengthen the whole heat exchange effect of condenser, effectively reduce the drag losses of condensation process simultaneously, the realization separatory is even, for the complete machine performance that significantly promotes heat pump etc. or reduce the condenser cost technical foundation is provided.
Specific descriptions of the present utility model are: a kind of heat-pump water heater that adopts micro-channel parallel flow falling liquid film condenser, by off-premises station and forming around the storage tank of heat exchanger tube outward, its heat exchanger that is around in storage tank (12) at home and abroad adopts the structure of aluminum micro-channel parallel flow falling liquid film condenser (3), is provided with steam trap (5) between the collection separating tube (6) of the bottom of the section between the collection isocon (1) of this micro-channel parallel flow falling liquid film condenser (3) or the dividing plate (7) of (4) and collection isocon bottom.
Link to each other by micro-channel flat (2) between two of micro-channel parallel flow falling liquid film condenser collection isocons (1) and (4), the upper end of collection isocon (1) or (4) links to each other with superheated steam import (A), the bottom links to each other with supercooled liquid outlet (B), collection isocon (1,4) inside is provided with dividing plate (7), the top in the space between adjacent two dividing plates is the afflux part, the bottom is a splitter section, collection isocon (1,4) spacing of internal partition (7) reduces from top to bottom gradually, collection isocon (1,4) bottom is collection separating tube (6) for one section, is provided with steam trap (5) between the bottom of the splitter section between the dividing plate of collection isocon (1) or (4) and the collection separating tube (6).
Each steam trap (5) can adopt multiple structure, comprises that one or one group is arranged at collection isocon (1,4) outside capillary pipe structure or micro-channel flat structure, perhaps or one group of orifice structure offering on collection isocon internal partition.
The material of micro-channel flat (2), collection isocon (1,4) and steam trap (5) is an aluminum or aluminum alloy.
The micro-channel parallel flow falling liquid film condenser that the utility model adopted both can be applicable to Teat pump boiler, air conditioner and water heater and the outer all kinds of middle-size and small-size refrigeration machine around heat exchanger of other employing, be used for by the cold water in the interval wall heating storage tank, also can be used for circumference air, other fluid etc., all can carry out flexible design, have very strong adaptability.
The utility model all adopts different structure in each stage, realized keeping the high cavity rate of condensation process and the condensation water film thickness effectively being reduced, thereby obtain best condensation heat transfer intensity, and also all realize high efficient heat exchanging at superheated steam or supercooled liquid stage, thereby reach the effect that significantly strengthens the whole heat transfer coefficient of condenser, significantly reduce required heat transfer area, can save heat exchange tube material more than 30～40%.This device has been realized the essence adjustment of condensing heat-exchange process, significantly promotes condenser performance, and production technology is simple and reliable, has good exploitativeness.
Description of drawings
Fig. 1 is a structural representation of the present utility model, and Fig. 2 is its micro-channel parallel flow falling liquid film structure of condenser schematic diagram.
Each unit number and title are as follows among Fig. 1,2:
The specific embodiment
Fig. 1 is a structural representation of the present utility model, and Fig. 2 is its micro-channel parallel flow falling liquid film structure of condenser schematic diagram.
The heat-pump water heater that adopts micro-channel parallel flow falling liquid film condenser is by off-premises station and form around the storage tank of heat exchanger tube outward, its heat exchanger that is around in storage tank (12) at home and abroad adopts aluminum micro-channel parallel flow falling liquid film condenser structure, the collection isocon (1) that wherein is positioned at two ends links to each other with collection isocon (4) by micro-channel flat (2), the upper end of collection isocon (1) or (4) links to each other with superheated steam import (A), the bottom links to each other with supercooled liquid outlet (B), collection isocon (1,4) inside is provided with dividing plate (7), the top in the space between adjacent two dividing plates is the afflux part, the bottom is a splitter section, collection isocon (1,4) spacing of internal partition (7) reduces from top to bottom gradually, collection isocon (1,4) bottom is collection separating tube (6) for one section, is provided with steam trap (5) between the bottom of the splitter section between the dividing plate of collection isocon (1) or (4) and the collection separating tube (6).
Each steam trap (5) all adopts the micro-channel flat structure.
The material of micro-channel flat (2), collection isocon (1,4) and steam trap (5) is aluminium alloy.
Need to prove; present embodiment only is one of specific embodiment of the present utility model; the condenser of any this device of employing institute description scheme characteristics all belongs to protection domain of the present utility model, comprises it is done some conspicuous remodeling or accommodation all belongs to these row.
Claims (6)
1. heat-pump water heater that adopts micro-channel parallel flow falling liquid film condenser, by off-premises station and forming around the storage tank of heat exchanger tube outward, it is characterized in that the outer heat exchanger that is around in storage tank (12) adopts the structure of aluminum micro-channel parallel flow falling liquid film condenser (3), be provided with steam trap (5) between the collection separating tube (6) of the bottom of the section between the dividing plate (7) of the collection isocon (1) of this micro-channel parallel flow falling liquid film condenser (3) or collection isocon (4) and collection isocon bottom.
2. the heat-pump water heater of employing micro-channel parallel flow falling liquid film condenser as claimed in claim 1, it is characterized in that two of described micro-channel parallel flow falling liquid film condenser collection isocons (1) link to each other by micro-channel flat (2) with collecting between the isocon (4), the upper end of collection isocon (1) or collection isocon (4) links to each other with superheated steam import (A), the bottom links to each other with supercooled liquid outlet (B), collection isocon (1,4) inside is provided with dividing plate (7), the top in the space between adjacent two dividing plates is the afflux part, the bottom is a splitter section, collection isocon (1,4) spacing of internal partition (7) reduces from top to bottom gradually, collection isocon (1,4) bottom is collection separating tube (6) for one section, is provided with steam trap (5) between the bottom of the splitter section between the dividing plate of collection isocon (1) or collection isocon (4) and the collection separating tube (6).
3. the heat-pump water heater of employing micro-channel parallel flow falling liquid film condenser as claimed in claim 1 is characterized in that described each steam trap (5) is one or one group and is arranged at the outside capillary formation of collection isocon (1,4).
4. the heat-pump water heater of employing micro-channel parallel flow falling liquid film condenser as claimed in claim 1 is characterized in that described each steam trap (5) is one or one group and is arranged at the outside micro-channel flat formation of collection isocon (1,4).
5. the heat-pump water heater of employing micro-channel parallel flow falling liquid film condenser as claimed in claim 1 is characterized in that described each steam trap (5) is or one group of orifice structure offering on collection isocon (1,4) internal partition.
6. the heat-pump water heater of employing micro-channel parallel flow falling liquid film condenser as claimed in claim 1 is characterized in that the material of described micro-channel flat (2), collection isocon (1,4) and steam trap (5) is an aluminum or aluminum alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201529293U CN201724388U (en) | 2010-04-08 | 2010-04-08 | Heat pump water heating device employing micro-channel parallel flow falling film condenser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201529293U CN201724388U (en) | 2010-04-08 | 2010-04-08 | Heat pump water heating device employing micro-channel parallel flow falling film condenser |
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| Publication Number | Publication Date |
|---|---|
| CN201724388U true CN201724388U (en) | 2011-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010201529293U Expired - Lifetime CN201724388U (en) | 2010-04-08 | 2010-04-08 | Heat pump water heating device employing micro-channel parallel flow falling film condenser |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103375913A (en) * | 2012-04-12 | 2013-10-30 | 珠海格力电器股份有限公司 | Heat-pump water heater |
| CN106225325A (en) * | 2016-08-21 | 2016-12-14 | 吴亚妹 | A kind of heat exchanger used for water heater and water heater |
| CN106801997A (en) * | 2016-12-30 | 2017-06-06 | 广西芮芽科技有限公司 | Air-source water heater with high efficient energy-saving water tank |
| CN106839427A (en) * | 2016-12-30 | 2017-06-13 | 广西芮芽科技有限公司 | Air-source water heater |
| CN110878992A (en) * | 2019-10-09 | 2020-03-13 | 格辐(沈阳)节能设备科技有限公司 | Microtubule fast heating water tank and microtubule heat pump unit |
| CN115164409A (en) * | 2022-08-26 | 2022-10-11 | 科希曼电器有限公司 | Double-source high-temperature heat pump unit and use method |
-
2010
- 2010-04-08 CN CN2010201529293U patent/CN201724388U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103375913A (en) * | 2012-04-12 | 2013-10-30 | 珠海格力电器股份有限公司 | Heat-pump water heater |
| CN103375913B (en) * | 2012-04-12 | 2015-10-28 | 珠海格力电器股份有限公司 | Teat pump boiler |
| CN106225325A (en) * | 2016-08-21 | 2016-12-14 | 吴亚妹 | A kind of heat exchanger used for water heater and water heater |
| CN106801997A (en) * | 2016-12-30 | 2017-06-06 | 广西芮芽科技有限公司 | Air-source water heater with high efficient energy-saving water tank |
| CN106839427A (en) * | 2016-12-30 | 2017-06-13 | 广西芮芽科技有限公司 | Air-source water heater |
| CN106839427B (en) * | 2016-12-30 | 2019-07-16 | 安徽人人家集团有限公司 | Air energy water heater |
| CN106801997B (en) * | 2016-12-30 | 2019-07-19 | 安徽人人家集团有限公司 | Air energy water heater with high efficient energy-saving water tank |
| CN110878992A (en) * | 2019-10-09 | 2020-03-13 | 格辐(沈阳)节能设备科技有限公司 | Microtubule fast heating water tank and microtubule heat pump unit |
| CN115164409A (en) * | 2022-08-26 | 2022-10-11 | 科希曼电器有限公司 | Double-source high-temperature heat pump unit and use method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: A.O.SMITH (CHINA) WATER HEATER CO., LTD. Free format text: FORMER OWNER: ZHANG MAOYONG Effective date: 20110607 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100085 ROOM 103, UNIT 4, BUILDING 6, ZHIXUEYUAN, XI'ERQI, HAIDIAN DISTRICT, BEIJING TO: 210038 NO. 336, YAOXIN AVENUE, ECONOMIC AND TECHNOLOGICAL DEVELOPMENT ZONE, NANJING CITY, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110607 Address after: 336 No. 210038 Jiangsu city in Nanjing Province Economic and Technological Development Zone, the new road Patentee after: A.O. Smith (China) Water Heater Co., Ltd. Address before: 100085 Beijing city Haidian District xi'erqi Chi College No. 6 Building 4 unit 103 room Patentee before: Zhang Maoyong |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110126 |