CN102944065B - Three-casing-pipe heat exchanger and heat pump water heater using same - Google Patents
Three-casing-pipe heat exchanger and heat pump water heater using same Download PDFInfo
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- CN102944065B CN102944065B CN201210506997.9A CN201210506997A CN102944065B CN 102944065 B CN102944065 B CN 102944065B CN 201210506997 A CN201210506997 A CN 201210506997A CN 102944065 B CN102944065 B CN 102944065B
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Abstract
The invention discloses a heat pump water heater using a three-casing-pipe heat exchanger. The heat pump water heater comprises a three-casing-pipe heat exchanger, a compressor, an air-side heat exchanger, a throttling element and a water tank; the three-casing-pipe heat exchanger comprises an inner-layer pipe, a middle-layer pipe sleeved outside the inner-layer pipe and an outer-layer pipe sleeved outside the middle-layer pipe; a first annular channel is formed between the inner-layer pipe and the middle-layer pipe; a second annular channel is formed between the middle-layer pipe and the outer-layer pipe; the compressor, the air-side heat exchanger, the throttling element and the first annular channel are communicated through pipelines, so as to form a working medium circulation loop; the water tank is connected with the inner-layer pipe through the pipeline, so as to form a water circulation loop; a water inlet and a water outlet are formed in the second annular channel; a hot water supply pipe is connected between the water outlet and the water tank; and an external water supply opening is formed in the water tank. With the adoption of the heat pump water heater using the three-casing-pipe heat exchanger provided by the invention, the energy can be efficiently saved, and the comfort degree of user in water utilization can be improved well.
Description
Technical field
The present invention relates to high temperature heat pump technical field, particularly relate to the Teat pump boiler of a kind of use three double-tube heat exchangers.
Background technology
Along with the raising of environmental protection and awareness of saving energy, household heat pump water heater is due to its good energy-conserving effect, and safety and sanitation, are widely used in the family.
Existing circulating heating type Teat pump boiler has generally comprised compressor, air-side heat exchanger, restricting element, water-side heat and water tank, described compressor, air-side heat exchanger, restricting element and water-side heat are connected to form working medium circulation loop by pipeline, and water tank and water-side heat are connected to form water circulation heating circuit by pipeline.But there is following problem in circulating heating type Teat pump boiler conventional at present: one is that existing water-side heat adopts two-tube sleeve type structure mostly, i.e. pipe in outer tube sleeve, circular passage is formed between interior pipe and outer tube, in circular passage, flowing has working medium, but the heat that this structure only utilizes working medium to pass to interior pipe carrys out heating water, and the working medium heat that passes to outer tube is owing to being incubated bad and spilling in air and be wasted, and this structure heat exchange area is little, comprehensive heat exchange efficiency is low, working fluid condenses temperature is high, and energy consumption is high; Two is that user's use water comfort level is poor, this is that what to adopt due to the Teat pump boiler of water circulation mode of heating common at present is that cold water directly fills into water tank, when the large and moisturizing of water consumption rapidly time, the cold water filled into can with the hot water mixing stored in water tank, and Teat pump boiler fails to heat the water of water tank in time, cause leaving water temperature low, and then affect user use water comfort level, the hot water simultaneously flowed out due to the external feed water inlet of water tank directly and cold water carry out after mixed flow for user, make tank hot water's water consumption fast, and affect user further use water comfort level.
Summary of the invention
Based on this, the invention reside in the defect overcoming prior art, provide the Teat pump boiler of a kind of use three double-tube heat exchangers, the Teat pump boiler of this use three double-tube heat exchanger is more energy-efficient, and can improve the comfort level of user's water well.
Its technical scheme is as follows:
A kind of three double-tube heat exchangers, the outer tube including inner tube, be enclosed within the middle tube outside inner tube and be enclosed within outside middle tube, the first circular passage is formed between described inner tube and middle tube, the second circular passage is formed between described middle tube and outer tube, the two ends of described inner tube are respectively equipped with recirculated water entrance and circulating water outlet, the two ends of described first circular passage are respectively equipped with working medium entrance and sender property outlet, and the two ends of described second circular passage are respectively equipped with water inlet and delivery port.
The Teat pump boiler of a kind of use three double-tube heat exchangers, include three double-tube heat exchangers, compressor, air-side heat exchanger, restricting element and water tank, three double-tube heat exchangers include inner tube, the outer tube being enclosed within the middle tube outside inner tube and being enclosed within outside middle tube, the first circular passage is formed between inner tube and middle tube, the second circular passage is formed between middle tube and outer tube, described compressor, air-side heat exchanger, restricting element and the first circular passage form working medium circulation loop by pipeline connection, described water tank and inner tube are connected to form water-flow circuit by pipeline, the second described circular passage is provided with water inlet and delivery port, hot water supply pipe is connected with between delivery port and water tank, described water tank is provided with external feed water inlet.
Below further technical scheme is described:
The Teat pump boiler of described use three double-tube heat exchanger also includes water pump, and described water tank, inner tube and water pump are in turn connected to form water-flow circuit by pipeline.
Described hot water supply pipe is provided with backflow non-return valve.
The Teat pump boiler of described use three double-tube heat exchanger also includes mixing valve, and described hot water supply pipe is provided with by-pass port, the mixing valve described in described external feed water inlet and by-pass port are all connected by pipeline.
Below the advantage of preceding solution or principle are described:
1, in described inner tube and the second circular passage, flowing is water, in first circular passage, flowing is heat-exchange working medium, the water flowed in inner tube and the second circular passage all can carry out heat exchange with heat-exchange working medium when flowing through three described double-tube heat exchanger, then compared with traditional heat exchangers, this three double-tube heat exchanger can increase heat exchange area, and effectively avoid the heat of heat-exchange working medium to spill in air through tube wall being wasted, also make the condensation temperature of heat-exchange working medium lower than traditional Teat pump boiler simultaneously, improve heat exchange efficiency, thus use the Teat pump boiler of three double-tube heat exchangers more energy-efficient.In addition, the delivery port of the second circular passage connects described water tank by described hot water supply pipe, cold water then owing to flowing into from the second circular passage water inlet can carry out heat exchange with heat-exchange working medium and obtain directly-heated hot water, thus the Teat pump boiler of this use three double-tube heat exchanger can directly for water tank fills into directly-heated hot water, but not fill into cold water, this can slow down the speed that hot water temperature in water tank reduces, thus can the stability of raising coolant-temperature gage.Therefore, the Teat pump boiler of this use three double-tube heat exchanger can also improve the comfort level of user's water well, and comprehensive heat exchange efficiency is higher.
2, be also connected with water pump in described water-flow circuit, then the water flowed in this loop can circulate effectively, make three described double-tube heat exchangers can to the water in water tank continuous circulating-heating.
3, described hot water supply pipe is provided with backflow non-return valve, can prevent the aqueous reflux in water tank.
4, described external feed water inlet is all connected mixing valve by pipeline with by-pass port, then the directly-heated hot water of the second circular passage delivery port outflow is except filling into except described water tank by hot water supply pipe, for user together with the hot water mixed flow also flowed out with water tank by the pipeline between by-pass port with mixing valve, this can improve the comfort level of user's water further, and the hot water water consumption of water tank can be slowed down, reduce energy consumption.
Accompanying drawing explanation
Fig. 1 is the structural representation of the Teat pump boiler of use three double-tube heat exchanger described in the embodiment of the present invention.
Fig. 2 is the overall structure schematic diagram of three double-tube heat exchangers described in the embodiment of the present invention.
Fig. 3 is the A-A sectional view of Fig. 2.
Fig. 4 is the top view of Fig. 2.
Description of reference numerals:
1, three double-tube heat exchangers, 101, inner tube, 102, middle tube, 103, outer tube, the 104, first circular passage, the 105, second circular passage, 106, circulating water inlet, 107, circulating water outlet pipe, 108, working medium entrance, 109, sender property outlet, 110, water inlet, 111, delivery port, 2, compressor, 3, air-side heat exchanger, 4, restricting element, 5, cross valve, 6, water tank, 601, external feed water inlet, 7, hot water supply pipe, 701, by-pass port, 8, backflow non-return valve, 9, mixing valve, 10, water pump.
Detailed description of the invention
Below embodiments of the invention are described in detail:
As shown in Figures 1 to 4, the Teat pump boiler of a kind of use three double-tube heat exchangers, include three double-tube heat exchangers 1, compressor 2, cross valve 5, air-side heat exchanger 3, restricting element 4, water pump 10 and water tank 6, three double-tube heat exchangers 1 include inner tube 101, the outer tube 103 being enclosed within the middle tube 102 outside inner tube 101 and being enclosed within outside middle tube 102, the first annular path 10 4 is formed between inner tube 101 and middle tube 102, the second circular passage 105 is formed between middle tube 102 and outer tube 103, described compressor 2, cross valve 5, air-side heat exchanger 3, restricting element 4 and the first annular path 10 4 form working medium circulation loop by pipeline connection, described water tank 6, water pump 10 and inner tube 101 are connected to form water-flow circuit by pipeline, the second described circular passage 105 is provided with water inlet 110 and delivery port 111, hot water supply pipe 7 is connected with between delivery port 111 and water tank 6, described water tank 6 is provided with external feed water inlet 601.
Wherein, the two ends of described inner tube 101 are respectively equipped with recirculated water entrance and circulating water outlet, and recirculated water entrance is connected with circulating water inlet 106, and circulating water outlet is connected with circulating water outlet pipe 107.The two ends of described first annular path 10 4 are respectively equipped with working medium entrance 108 and sender property outlet 109.Described hot water supply pipe 7 is provided with backflow non-return valve 8.The Teat pump boiler of described use three double-tube heat exchanger also includes mixing valve 9, and described hot water supply pipe 7 is provided with by-pass port 701, the mixing valve 9 described in described external feed water inlet 601 and by-pass port 701 are all connected by pipeline.
The present embodiment has the following advantages or principle:
1, in described inner tube 101 and the second circular passage 105, flowing is water, in first annular path 10 4, flowing is heat-exchange working medium, inner tube 101 and the second interior water flowed in circular passage 105 all can carry out heat exchange with heat-exchange working medium when flowing through three described double-tube heat exchanger 1, then compared with traditional heat exchangers, this three double-tube heat exchanger 1 can increase heat exchange area, and effectively avoid the heat of heat-exchange working medium to spill in air through tube wall being wasted, also make the condensation temperature of heat-exchange working medium lower than traditional Teat pump boiler simultaneously, improve heat exchange efficiency, thus the Teat pump boiler of this use three double-tube heat exchanger is more energy-efficient.In addition, the delivery port 111 of the second circular passage 105 connects described water tank 6 by described hot water supply pipe 7, cold water then owing to flowing into from the second circular passage 105 water inlet 110 can carry out heat exchange with heat-exchange working medium and obtain directly-heated hot water, thus the Teat pump boiler of this use three double-tube heat exchanger directly can fill into directly-heated hot water for water tank 6, this can slow down the speed that hot water temperature in water tank 6 reduces, thus can the stability of raising coolant-temperature gage.Therefore, the Teat pump boiler of this use three double-tube heat exchanger can also improve the comfort level of user's water well.
2, be also connected with water pump 10 in described water-flow circuit, then the water flowed in this loop can circulate effectively, make three described double-tube heat exchangers 1 can to the water in water tank 6 continuous circulating-heating.
3, described hot water supply pipe 7 is provided with backflow non-return valve 8, can prevent the hot water in water tank 6 from flowing backwards.
4, described external feed water inlet 601 is all connected mixing valve 9 by pipeline with by-pass port 701, then the directly-heated hot water of the second circular passage 105 delivery port 111 outflow is except filling into except described water tank 6 by hot water supply pipe 7, for user together with the hot water mixed flow also flowed out with water tank 6 by the pipeline between by-pass port 701 with mixing valve 9, this can improve the comfort level of user's water further, and the hot water water consumption of water tank 6 can be reduced, reduce energy consumption.
5, when the water temperature in water tank 6 do not reach setting require time, then water pump 10 can start, and makes the continuous circulating-heating of the water in water tank 6, until in water tank 6 water temperature meet setting requirement.
The above embodiment only have expressed the specific embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (2)
1. one kind uses the Teat pump boiler of three double-tube heat exchangers, it is characterized in that, include three double-tube heat exchangers, compressor, air-side heat exchanger, restricting element and water tank, three double-tube heat exchangers include inner tube, the outer tube being enclosed within the middle tube outside inner tube and being enclosed within outside middle tube, the first circular passage is formed between inner tube and middle tube, the second circular passage is formed between middle tube and outer tube, described compressor, air-side heat exchanger, restricting element and the first circular passage form working medium circulation loop by pipeline connection, described water tank and inner tube are connected to form water-flow circuit by pipeline, the second described circular passage is provided with water inlet and delivery port, hot water supply pipe is connected with between delivery port and water tank, described water tank is provided with external feed water inlet, described hot water supply pipe is provided with backflow non-return valve, also include mixing valve, described hot water supply pipe is provided with by-pass port, the mixing valve described in described external feed water inlet and by-pass port are all connected by pipeline.
2. the Teat pump boiler of use three double-tube heat exchanger according to claim 1, it is characterized in that, also include water pump, described water tank, inner tube and water pump are in turn connected to form water-flow circuit by pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210506997.9A CN102944065B (en) | 2012-11-30 | 2012-11-30 | Three-casing-pipe heat exchanger and heat pump water heater using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210506997.9A CN102944065B (en) | 2012-11-30 | 2012-11-30 | Three-casing-pipe heat exchanger and heat pump water heater using same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102944065A CN102944065A (en) | 2013-02-27 |
| CN102944065B true CN102944065B (en) | 2015-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210506997.9A Expired - Fee Related CN102944065B (en) | 2012-11-30 | 2012-11-30 | Three-casing-pipe heat exchanger and heat pump water heater using same |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103471249B (en) * | 2013-09-22 | 2016-03-02 | 山东创尓沃热泵技术股份有限公司 | A kind of heat-pump water-heater water tank |
| CN103591684B (en) * | 2013-11-15 | 2015-11-04 | 大连圣鼎工业装备有限公司 | A kind of intelligent power saving list water tank constant temperature continuous heat supply water unit |
| CN105333613B (en) * | 2014-08-15 | 2019-05-14 | 长沙英芙机电科技有限公司 | A kind of water heater and condenser |
| CN104501479A (en) * | 2014-12-24 | 2015-04-08 | 武汉浩宏科技有限公司 | Double-spiral type condenser and air-source water heater comprising same |
| CN104482650A (en) * | 2014-12-24 | 2015-04-01 | 武汉浩宏科技有限公司 | Air energy water heater and condenser thereof |
| CN108185263A (en) * | 2018-02-13 | 2018-06-22 | 宁夏索非利亚食品有限公司 | Energy-saving tomato pure sauce disinfection system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003247746A (en) * | 2002-02-25 | 2003-09-05 | Sanyo Electric Co Ltd | Heat pump type hot water supply device |
| CN1573226A (en) * | 2003-06-24 | 2005-02-02 | 日立家用电器公司 | Heat pump water heater |
| CN102116528A (en) * | 2010-01-04 | 2011-07-06 | 日立空调·家用电器株式会社 | Water heater of heat pump |
| CN202973541U (en) * | 2012-11-30 | 2013-06-05 | 苏宇贵 | Three-sleeve heat exchanger and heat pump water heater using heat exchanger |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2690835Y (en) * | 2004-01-09 | 2005-04-06 | 梁锡伦 | Heat exchanger for water drinking machine |
| CN102192595A (en) * | 2011-07-04 | 2011-09-21 | 苏宇贵 | Sleeve heat exchange water tank and heat pump water heater using water tank |
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2012
- 2012-11-30 CN CN201210506997.9A patent/CN102944065B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003247746A (en) * | 2002-02-25 | 2003-09-05 | Sanyo Electric Co Ltd | Heat pump type hot water supply device |
| CN1573226A (en) * | 2003-06-24 | 2005-02-02 | 日立家用电器公司 | Heat pump water heater |
| CN102116528A (en) * | 2010-01-04 | 2011-07-06 | 日立空调·家用电器株式会社 | Water heater of heat pump |
| CN202973541U (en) * | 2012-11-30 | 2013-06-05 | 苏宇贵 | Three-sleeve heat exchanger and heat pump water heater using heat exchanger |
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| CN102944065A (en) | 2013-02-27 |
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Effective date of registration: 20160119 Address after: 510935, Guangdong, Guangzhou province Conghua suburban street new village village Avenue East (not numbered) Workshop Patentee after: Guangzhou Keyu Energy Technology Co., Ltd. Address before: 510935 Guangdong city of Guangzhou province Conghua Ao town Qigan village south of the Five Ridges 106 National Highway Patentee before: Su Yugui |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150527 Termination date: 20181130 |