CN103438491B - With hot water supply and the heating system of the employing heat pump of hot water self-circulation system - Google Patents
With hot water supply and the heating system of the employing heat pump of hot water self-circulation system Download PDFInfo
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- CN103438491B CN103438491B CN201310379571.6A CN201310379571A CN103438491B CN 103438491 B CN103438491 B CN 103438491B CN 201310379571 A CN201310379571 A CN 201310379571A CN 103438491 B CN103438491 B CN 103438491B
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/12—Hot water central heating systems using heat pumps
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- Heat-Pump Type And Storage Water Heaters (AREA)
- Steam Or Hot-Water Central Heating Systems (AREA)
Abstract
With hot water supply and the heating system of the employing heat pump of hot water self-circulation system, comprise the heat-pump hot-water circulatory system, this heat-pump hot-water circulatory system comprises outdoor unit, indoor unit and hot water feeding unit; This outdoor unit comprises compressor reducer, outdoor heat exchanger cross valve and dilation, and carries out heat pump refrigerant circulation.This indoor unit comprises water-refrigerant heat exchanger that is carried out heat exchange between the cold-producing medium discharged by compressor reducer and water, between the water inlet and delivery port of this water-refrigerant heat exchanger, connect a hot water self-circulation system.The invention has the beneficial effects as follows: the electric heating film for heating be compounded on evaporimeter radiating fin is even, directly thaw through the insulating barrier heat radiation defrosting that outer surface thermal conductivity is good, the efficiency of heating surface is high, and energy consumption is low.The insulating barrier thermal conductivity of Electric radiant Heating Film outer surface is good, and evaporator surface is played to the effect of protection, greatly increases the service life; Can hot water without interruption, save the energy.
Description
Technical field
The present invention relates to a kind of hot water supply and heating system of the employing heat pump with hot water self-circulation system, can be used for any employing refrigeration-heat pump air conditioner and need the place of hot water to provide hot water.
Background technology
The hot water supply relevant to heat pump and firing equipment and a heat pump cycle and a hot water circuit unit combined, between water and the cold-producing medium discharged by compressor reducer, carry out heat exchange, constitute a heat pump refrigerating loop thus carry out hot water supply and floor heating.
In traditional system, supply water along Closed loop flow heating pipeline separate with the pipeline of hot-water supply, heat change carry out at the diverse location of the compressor reducer outlet side pipeline in heat pump refrigerating loop.That is, in traditional system, be what to be separated for water-refrigerant heat exchanger of heating with the water-refrigerant heat exchanger for hot-water supply.
This hot water supply relevant to heat pump and firing equipment have structure as previously described, therefore have following point.
The first, when the evaporator surface forming heat pump refrigeration cycle forms frost and needs to carry out thawing operation, heating and hot water supply function then must stop, completely until operation of thawing completes.When carrying out thawing operation, hot water can not be supplied, and indoor air temperature also decreases.If also carry out heating operation while operation of carrying out thawing, heat will transfer to cold-producing medium from water-refrigerant heat exchanger, and therefore the temperature of recirculated water reduces, thus causes indoor floor temperature to reduce.
The second, even if again can carry out hot water supply and heating after operation of thawing completes, the hot water that heat cycles be made to reach a normal level and supply reaches fixed temperature also needs a period of time.
3rd, for water-refrigerant heat exchanger of heating and separate for the water-refrigerant heat exchanger of hot-water supply, therefore installation process is comparatively complicated, and adds manufacturing cost.
4th, discharge after being flow through water-refrigerant heat exchanger by the water heated and use, the time of heating is short, is again the temperature not reaching needs; And when not using water, more water can not be heated.
Another to forming the method that the evaporator surface of heat pump refrigeration cycle thaws is, what utilize electric heater and fan coordinates evaporator surface blowing hot-air; Or adopt Electromagnetic Heating mode, evaporimeter is heating up to thaw to utilize electromagnetic field to make at the eddy current generation heat that evaporator body is responded to.The shortcoming of above-mentioned two kinds of electrical heating methods is that efficiency is low, and energy consumption is high.
Summary of the invention
The object of this invention is to provide a kind of hot water supply and heating system of the employing heat pump with hot water self-circulation system, when the carrying out existed to solve prior art is thawed and operate, heating and hot water supply function then must stop completely; And the efficiency of heating surface is low, the problem that energy consumption is high.
Technical scheme of the present invention is: a kind of hot water supply and heating system adopting heat pump, and comprise the heat-pump hot-water circulatory system, this heat-pump hot-water circulatory system comprises an outdoor unit, an indoor unit and a hot water feeding unit; This outdoor unit comprises a compressor reducer, outdoor heat exchanger cross valve and a dilation, and carry out heat pump refrigerant circulation, it is characterized in that, this indoor unit comprises water-refrigerant heat exchanger that is carried out heat exchange between the cold-producing medium discharged by compressor reducer and water, this water-refrigerant heat exchanger is provided with water inlet and the delivery port of healed water, and this water inlet is connected with water source, and this delivery port is connected with described hot water feeding unit.This water-refrigerant heat exchanger is provided with between the water inlet of healed water and delivery port and connects a hot water self-circulation system.
Electric radiant Heating Film composite bed is provided with in the one or both sides of the radiating fin of described water-refrigerant heat exchanger; this Electric radiant Heating Film composite bed comprises Electric radiant Heating Film, insulated substrate layer and insulating protective layer; be provided with insulated substrate layer, Electric radiant Heating Film and insulating protective layer successively on the surface of radiating fin, Electric radiant Heating Film by establish in the above or below, to insert comb electrode be connected with power supply.
Described insulated substrate layer adopts the insulating materials that heat-proof quality is good, and heatproof is higher than 150 degrees Celsius; This insulating protective layer adopts the insulating materials of good heat conductivity, and heatproof is higher than 150 degrees Celsius.
The material of described insulated substrate layer comprises: fluoroplastics, polyimide, polyether-ether-ketone, liquid crystal polymer or modification of nylon, can the high temperature of resistance to more than 250 degrees Celsius.
The material of described insulating protective layer comprises: polytetrafluoroethylene (PTFE), aluminium oxide, silica or silicones.
This indoor unit also comprises an indoor evaporator in cooling mode, and the refrigerant loop of this indoor evaporator is in parallel with the refrigerant loop of described water-refrigerant heat exchanger by triple valve.
Described hot water self-circulation system comprises circulating pump, water tank and radiator of water tank, in water tank, be provided with radiator of water tank, and radiator of water tank is by being connected for closed circuit between the water inlet of pipeline and circulating pump and described water-refrigerant heat exchanger and delivery port; Water tank is provided with water supplement port and feed water inlet, and is connected with water source and described hot water feeding unit respectively.
The invention has the beneficial effects as follows: the electric heating film for heating be compounded on evaporimeter (condenser) radiating fin is even, directly through the insulating barrier heat radiation that outer surface thermal conductivity is good, realize the object of thawing to evaporator surface heating defrosting, the efficiency of heating surface is high, and energy consumption is low; Do not change original structure in shape, do not need to increase extra device, take up room little; The insulating barrier thermal conductivity of Electric radiant Heating Film outer surface is good, and evaporator surface is played to the effect of protection, greatly increases the service life; According to the temperature Automatic-heating defrosting at any time of evaporator surface, do not need the work stopping main frame, can hot water without interruption.Utilize the self-circulation system supplied water, when not using hot water by the ceaselessly circulating-heating of the water in water tank, heat energy can be make use of fully, having saved heat energy, facilitated use.
Accompanying drawing explanation
Fig. 1 is the overall formation schematic diagram of one embodiment of the invention;
Fig. 2 is the Electric radiant Heating Film of evaporimeter cooling fin surfaces of the present invention and the structural representation of comb electrode;
Fig. 3 is the Rotating fields schematic diagram of Fig. 2.
Detailed description of the invention
See Fig. 1 ~ Fig. 3, the hot water supply of a kind of employing heat pump with hot water self-circulation system of the present invention and heating system, comprise the heat-pump hot-water circulatory system, this heat-pump hot-water circulatory system comprises an outdoor unit A, an indoor unit B and hot water feeding unit C; It is evaporimeter in the heat pump mode that this outdoor unit A comprises a compressor reducer 1, outdoor heat exchanger 3(), a cross valve 2 and an expansion valve 4; This indoor unit B comprises an indoor evaporator 7(containing electric fan 6), the refrigerant loop of this indoor evaporator 7 is in parallel with the refrigerant loop of described water-refrigerant heat exchanger 9 by triple valve 5, when needing refrigeration in indoor, crossover tee valve 5 makes cold-producing medium flow through the indoor set of indoor evaporator 7(common air-conditioning).Above system connects in the usual way and carries out heat pump refrigerant circulation.It is characterized in that, it is tube shell type structure that this indoor unit B comprises a water-refrigerant heat exchanger 9(carrying out heat exchange between the cold-producing medium discharged by compressor reducer 1 and water, cold-producing medium is at hot channel 8 Inner eycle of inside), this water-refrigerant heat exchanger 9 is provided with water inlet a and the delivery port b of healed water.A hot water self-circulation system D is connected between this water inlet a and delivery port b.Described hot water self-circulation system D comprises circulating pump 10, water tank 13 and radiator of water tank 14, in water tank 13, be provided with radiator of water tank 14, radiator of water tank 14 is by being connected for closed circuit between the water inlet a of pipeline and circulating pump 10 and described water-refrigerant heat exchanger and delivery port b.Water tank 13 is provided with water supplement port c and feed water inlet d, and is connected with water source 12 and hot water feeding unit 11 respectively.Owing to adding the hot water self-circulation system D of independent loops, so no matter whether water tank 13 exports hot water, all can not affect the heating to water in water tank, make use of heat energy fully, also ensure that the temperature of water.
(easy in order to know at the radiating fin of described water-refrigerant heat exchanger 9, represent radiating fin with mark 3 〞 in figs. 2 and 3) one or both sides be provided with Electric radiant Heating Film composite bed, this Electric radiant Heating Film composite bed comprises Electric radiant Heating Film 32, insulated substrate layer 33, insulating protective layer 34 and comb electrode 31, insulated substrate layer 33 is provided with successively on the surface of radiating fin 3 〞, Electric radiant Heating Film 32 and insulating protective layer 34, Electric radiant Heating Film 32 is by establishing in the above or below, on each comb electrode 31, binding post 311 is provided with to the comb electrode 31(inserted) be connected with heating power supply, also for the electrical connection (connecting with wire or screw) between each radiating fin 3 〞.
Described insulated substrate layer 33 adopts the insulating materials that heat-proof quality is good, and heatproof is higher than 150 degrees Celsius.The material that insulated substrate is 33 layers comprises: fluoroplastics, polyimide, polyether-ether-ketone, liquid crystal polymer or modification of nylon, can the high temperature of resistance to more than 250 degrees Celsius.
This insulating protective layer 34 adopts the insulating materials of good heat conductivity, and heatproof is higher than 150 degrees Celsius.The material of insulating protective layer 34 comprises: polytetrafluoroethylene (PTFE), aluminium oxide, silica or silicones.
Electric radiant Heating Film 32 adopts conventional material and technique to obtain; Insulated substrate layer 33 and insulating protective layer 34 adopt common process to obtain, as coating or casting technique; Comb electrode 31 can adopt typography or the preparation of other common process.
Claims (6)
1. with hot water supply and the heating system of the employing heat pump of hot water self-circulation system, comprise the heat-pump hot-water circulatory system, this heat-pump hot-water circulatory system comprises an outdoor unit, an indoor unit and a hot water feeding unit; This outdoor unit comprises a compressor reducer, outdoor heat exchanger cross valve and a dilation; And carry out heat pump refrigerant circulation, it is characterized in that, this indoor unit comprises water-refrigerant heat exchanger that is carried out heat exchange between the cold-producing medium discharged by compressor reducer and water, this water-refrigerant heat exchanger is provided with water inlet and the delivery port of healed water, this water inlet is connected with water source, and this delivery port is connected with described hot water feeding unit; This water-refrigerant heat exchanger is provided with between the water inlet of healed water and delivery port and connects a hot water self-circulation system; Electric radiant Heating Film composite bed is provided with in the one or both sides of the radiating fin of described water-refrigerant heat exchanger; this Electric radiant Heating Film composite bed comprises Electric radiant Heating Film, insulated substrate layer and insulating protective layer; be provided with insulated substrate layer, Electric radiant Heating Film and insulating protective layer successively on the surface of radiating fin, Electric radiant Heating Film by establish in the above or below, to insert comb electrode be connected with power supply.
2. the hot water supply of the employing heat pump with hot water self-circulation system according to claim 1 and heating system, is characterized in that, described insulated substrate layer adopts the insulating materials that heat-proof quality is good, and heatproof is higher than 150 degrees Celsius; This insulating protective layer adopts the insulating materials of good heat conductivity, and heatproof is higher than 150 degrees Celsius.
3. the hot water supply of the employing heat pump with hot water self-circulation system according to claim 2 and heating system, it is characterized in that, the material of described insulated substrate layer comprises: fluoroplastics, polyimide, polyether-ether-ketone, liquid crystal polymer or modification of nylon, can the high temperature of resistance to more than 250 degrees Celsius.
4. the hot water supply of the employing heat pump with hot water self-circulation system according to claim 2 and heating system, it is characterized in that, the material of described insulating protective layer comprises: polytetrafluoroethylene (PTFE), aluminium oxide, silica or silicones.
5. the hot water supply of the employing heat pump with hot water self-circulation system according to claim 1 and heating system, it is characterized in that, this indoor unit also comprises an indoor evaporator in cooling mode, and the refrigerant loop of this indoor evaporator is in parallel with the refrigerant loop of described water-refrigerant heat exchanger by triple valve.
6. the hot water supply of the employing heat pump with hot water self-circulation system according to claim 1 and heating system, it is characterized in that, described hot water self-circulation system comprises circulating pump, water tank and radiator of water tank, in water tank, be provided with radiator of water tank, radiator of water tank is by being connected for closed circuit between the water inlet of pipeline and circulating pump and described water-refrigerant heat exchanger and delivery port; Water tank is provided with water supplement port and feed water inlet, and is connected with water source and described hot water feeding unit respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310379571.6A CN103438491B (en) | 2013-08-28 | 2013-08-28 | With hot water supply and the heating system of the employing heat pump of hot water self-circulation system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310379571.6A CN103438491B (en) | 2013-08-28 | 2013-08-28 | With hot water supply and the heating system of the employing heat pump of hot water self-circulation system |
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| Publication Number | Publication Date |
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| CN103438491A CN103438491A (en) | 2013-12-11 |
| CN103438491B true CN103438491B (en) | 2016-04-27 |
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| CN201310379571.6A Expired - Fee Related CN103438491B (en) | 2013-08-28 | 2013-08-28 | With hot water supply and the heating system of the employing heat pump of hot water self-circulation system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2655087C1 (en) * | 2017-05-04 | 2018-05-23 | Николай Васильевич Ясаков | Compact compressed heat pump |
| ES2845218T3 (en) * | 2017-11-09 | 2021-07-26 | Carrier Corp | Cooling purge system |
| CN107763726B (en) * | 2017-11-17 | 2023-10-27 | 珠海格力电器股份有限公司 | heat pump system |
| CN108019808A (en) * | 2017-12-04 | 2018-05-11 | 珠海格力电器股份有限公司 | Heat pump system and its control method |
| CN111342078B (en) * | 2020-03-03 | 2022-06-07 | 泰安鼎鑫冷却器有限公司 | Low-conductivity core body for fuel cell and processing technology |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1014762B (en) * | 1989-02-03 | 1991-11-13 | 广州市华远电热电器厂 | Binding type electrically-heating body and making technique thereof |
| CN2509490Y (en) * | 2001-12-06 | 2002-09-04 | 邹家祥 | Separated vertical cold-hot water air conditioning machine set |
| CN100470151C (en) * | 2005-05-30 | 2009-03-18 | 奉政一 | Air-conditioning water heater used in four seasons |
| JP5224041B2 (en) * | 2007-06-27 | 2013-07-03 | ダイキン工業株式会社 | Heat pump type water heater |
| CN102155820B (en) * | 2011-03-29 | 2013-06-12 | 海尔集团公司 | Multipurpose air-conditioner hot water system |
| CN202204222U (en) * | 2011-08-12 | 2012-04-25 | 苏州韩博厨房电器科技有限公司 | Heat pump water heater with obscuring electrical heating and defrosting functions |
| CN202652568U (en) * | 2012-06-11 | 2013-01-02 | 苏州均亚电子有限公司 | PTC carbon paste constant temperature electrothermal film |
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Granted publication date: 20160427 Termination date: 20160828 |