CN201322441Y - Heat pump water heater - Google Patents
Heat pump water heater Download PDFInfo
- Publication number
- CN201322441Y CN201322441Y CNU2008201355858U CN200820135585U CN201322441Y CN 201322441 Y CN201322441 Y CN 201322441Y CN U2008201355858 U CNU2008201355858 U CN U2008201355858U CN 200820135585 U CN200820135585 U CN 200820135585U CN 201322441 Y CN201322441 Y CN 201322441Y
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- heat
- pump water
- heat pump
- cold
- storage
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Abstract
The utility model discloses a heat pump water heater comprising a compressor, a sleeve-type heat exchanger and an outdoor evaporator, which are connected sequentially and form a loop; the heat pump water heater further comprises a cold-storage heat exchanger used for changing a liquid refrigerant into the gas state; the cold-storage heat exchanger and the outdoor evaporator are connected in parallel in the loop; the cold-storage heat exchanger has a barrel structure with an inner layer and an outer layer; and a heat insulating material is arranged between the inner layer barrel structure and the outer layer barrel structure. The heat pump water heater of the utility model improves the utilization efficiency of resources and causes no pollution to environment; the cold-storage manner via ice is adopted, and the temperature of the frozen water can be reduced to 2-5 DEG C, so that the air supply in low temperature can be realized, and the electric power for an air conditioner terminal and the equipment cost can be reduced; and the multifunctional heat pump water heater can be provided with five operation modes of ice-making, ice-melting, refrigerating, refrigerating through ice-melting, and heating to meet various loading requirements.
Description
Technical field
The utility model relates to a kind of heat pump water-heating machine, particularly a kind of heat pump water-heating machine with the cold-storage structure.
Background technology
In the market, the heat pump water-heating machine function singleness of the air-source heat pump hot water of sale and band air conditioner function need be used together in multiple function of same period and just embody energy-conservation effect, the energy that heat pump cycle produced can not be utilized fully.The heat pump water-heating machine of band cold-storage structure can utilize these energy to greatest extent, the form of its logical hot water and freezing ice, uses in daily life.
Summary of the invention
The purpose of this utility model is to disclose a kind of heat pump water-heating machine, can be energy-efficient utilize resource, environment friendly and pollution-free.
Heat pump water-heating machine described in the utility model, comprise the compressor, double pipe heat exchanger, the outdoor evaporimeter that are linked in sequence and constitute the loop, also comprise the cold-storage heat-exchanger that is used for liquid refrigerant is become gaseous state,, cold-storage heat-exchanger and outdoor evaporimeter are connected in parallel in the loop.Cold-storage heat-exchanger is inside and outside two-layer bucket body structure, is provided with insulation material in the middle of the inside and outside two-layer bucket body structure.
In the technique scheme, be provided with the evaporation coil that is communicated with heat pump water-heating machine in the internal layer bucket body structure, stream has liquid refrigerant in the evaporation coil, and evaporation coil is specially copper pipe, and evaporation coil is irregular alignment.
In the technique scheme, the internal layer bucket body structure is interior, the outside agent for storage of coldness that is added with of evaporation coil, and agent for storage of coldness is made of water and freezing point modifier, and freezing point modifier comprises ethylene glycol, ethanol, sodium chloride.
In the technique scheme, insulation material is a hard PU foaming thermal-insulating; The heat release heat exchanger comprises double pipe heat exchanger and brazing plate type heat exchanger.
Heat pump water-heating machine of the present utility model improves efficiency of resource, environment friendly and pollution-free, adopts ice cold-storage mode, and freezing coolant-temperature gage can be reduced to 2～5 ℃, can realize cold air distribution, reduces air conditioning terminal electric power and cost of equipment; Can realize the function of a tractor serves several purposes, can realize ice making, ice-melt, refrigeration, ice-melt refrigeration and heat five kinds of operational modes, satisfy various workload demands.
Description of drawings
Fig. 1 is the utility model heat pump water-heating machine workflow diagram;
Fig. 2 is the utility model cold-storage heat-exchanger structural representation;
Fig. 3 is the utility model cold-storage heat-exchanger operation schematic diagram;
Fig. 4 is the utility model cold-storage heat-exchanger reset condition vertical view;
Fig. 5 is the icing state vertical view of the utility model cold-storage heat-exchanger cold-storage.
Mark the following drawings mark thereon in conjunction with the accompanying drawings:
The 1-compressor, 2-four-way change-over valve, 3-double pipe heat exchanger, the 4-reservoir, 5-electric expansion valve, 6-capillary, the 7-cold-storage heat-exchanger, 8-fan coil, 9-liquid pipe magnetic valve, the 10-gas solenoid, the outdoor evaporimeter of 11-, 12-gas-liquid separator, 13-first water pump, 14-second water pump, 15-centrifugal blower, the 16-axial flow blower, 17-copper pipe joint, 18-top end cover, 19-heat exchanger flange, 20-cold-storage bucket, 21-evaporation coil, 22-hard PU foam insulation, 23-exterior bowl, 24-water inlet pipe and water outlet pipe joint, the 25-agent for storage of coldness, the 26-bottom cover, 27-temperature level sensor, 28-solid ice crystal.
The specific embodiment
Below in conjunction with accompanying drawing, a specific embodiment of the present utility model is described in detail, but is to be understood that protection domain of the present utility model is not subjected to the restriction of the specific embodiment.
As shown in Figure 1, the utility model heat pump water-heating machine comprise be linked in sequence and constitute the loop compressor 1, four-way change-over valve 2, double pipe heat exchanger 3, reservoir 4, electric expansion valve 5, outdoor evaporimeter 11 and gas-liquid separator 12, also comprise cold-storage heat-exchanger 7, cold-storage heat-exchanger 7 is in parallel with outdoor evaporimeter 11, controls being communicated with of cold-storage heat-exchanger 7 and outdoor evaporimeter 11 and whole system respectively by gas solenoid 10 and liquid pipe magnetic valve 9.
Cold-storage heat-exchanger 7 comprises copper pipe joint 17, top end cover 18, heat exchanger flange 19, water inlet pipe and water outlet pipe joint 24 and bottom cover 26, cold-storage heat-exchanger 7 is inside and outside two-layer bucket body structure, internal layer is with the round as a ball stainless steel cold-storage bucket 20 that is welded of stainless steel material, skin is the exterior bowl of making of cold-rolled steel sheet 23, hard PU foam insulation 22 is filled out in the centre, the material of hard PU foam insulation 22 is specially the pentamethylene Polyurethane, and its density is 38kg/m
3, this structure has thoroughly avoided agent for storage of coldness to cause dewfall and energy loss with extraneous generation conduction.Cold-storage heat-exchanger 7 adopts direct-expansion type ice-reserving evaporation coil 21, and this evaporation coil 21 is specially copper pipe, the heat exchange efficiency height.Evaporation coil 21 is designed to special irregular alignment mode, is the low-temp low-pressure liquid refrigerant in the copper pipe, and copper pipe for the icing space of agent for storage of coldness, has been guaranteed the perturbation that frozen water is good outward.In stainless steel bucket inside, the outside agent for storage of coldness of making by water and freezing point modifier usually 25 that adds of evaporation coil, wherein freezing point modifier can be ethylene glycol, ethanol or sodium chloride etc.Because the latent heat of fusion of ice crystal is big, make the ice slurry have higher storage density of cold, because ice crystal has bigger heat transfer area, make it have cooling speed and adjustment characteristic faster preferably simultaneously.Also be provided with temperature level sensor 27 in the evaporation coil 21 of cold-storage heat-exchanger 7, be used to measure the liquid level of evaporation coil 21 inner refrigerants.
The utility model heat pump water-heating machine comprises and normally heats water and cold-storage heats two kinds of duties of water:
Normally heat water
The gaseous refrigerant of the HTHP that comes out from compressor 1 constantly carries out cycle heat exchange by four-way change-over valve 2 dead electricity at double pipe heat exchanger 3 and water in the water tank and produces hot water, cold water in the water tank enters double pipe heat exchanger 3 by first water pump 13, through carrying out becoming hot water after the heat exchange with gaseous refrigerant, the liquid of warm high pressure during the cold-producing medium of this moment has become by condensation, liquids and gases are separated, under the throttling action of electric expansion valve 5, become the liquid of low-temp low-pressure, liquid pipe magnetic valve 9 gets at this moment, gas solenoid 10 dead electricity, make outdoor evaporimeter 11 be connected into system, become the gas of low-temp low-pressure by the forced convertion heat exchange absorption heat energy in air of 16 pairs of air of axial flow blower at outdoor evaporimeter 11, be back to compressor again, thereby finish a working cycles that normally heats water.
Cold-storage heats water
The gaseous refrigerant of the HTHP that comes out from compressor 1 constantly carries out cycle heat exchange by four-way change-over valve 2 dead electricity at double pipe heat exchanger 3 and water in the water tank and produces hot water, cold water in the water tank enters double pipe heat exchanger 3 by first water pump 13, through carrying out becoming hot water after the heat exchange with gaseous refrigerant, the liquid of warm high pressure during the cold-producing medium of this moment has become by condensation, liquids and gases are separated, under the throttling action of electric expansion valve 5, become the liquid of low-temp low-pressure, this moment liquid pipe magnetic valve 9 dead electricity, gas solenoid 10, make cold-storage heat-exchanger 7 be connected into system, the agent for storage of coldness in the cold-storage heat-exchanger 7 is condensed into the solid ice crystal 28 of low temperature by the heat absorption of evaporation coil inner refrigerant at cold-storage heat-exchanger 7.Cold-producing medium absorbs the gas that the interior heat energy of agent for storage of coldness becomes low-temp low-pressure, is back to compressor again, finishes the working cycles that a cold-storage heats water.
Simultaneously, also can with liquid pipe magnetic valve 9 and gas solenoid 10 simultaneously electric, make outdoor evaporimeter 11 and cold-storage heat-exchanger 7 be connected into system simultaneously, finish the course of work of a heat absorption jointly.
By contrary Carnot cycle principle, utilize a spot of electric energy drive compression machine heat pump cycle, the low grade heat energy that is difficult in the air utilize is converted into available high-grade heat energy, heat energy is discharged into it is heated up, be heated into our the required hot water of life of working.
The utility model heat pump water-heating machine is when producing hot water, double pipe heat exchanger 3 is produced hot water, cold-storage heat-exchanger 7 is produced the freezing ice of idle call, the energy that heat pump cycle produced is utilized fully, can utilize these energy to greatest extent, it is become the form of hot water and freezing ice, in daily life, used.
The utility model heat pump water-heating machine has the function of accumulation of heat simultaneously and cold-storage, heat water and ice-reserving during low power consumption at night, advantage with peak load shifting, balanced power load, raising power construction returns of investment, can reduce the construction of power plant and equipment for power transmission and distribution, use the cheap energy of environmental protection to pollute to reduce.
More than disclosed only be a specific embodiment of the present utility model, still, the utility model is not limited thereto, any those skilled in the art can think variation all should fall into protection domain of the present utility model.
Claims (7)
1. heat pump water-heating machine, comprise the compressor, heat release heat exchanger, the outdoor evaporimeter that are linked in sequence and constitute the loop, it is characterized in that, also comprise the cold-storage heat-exchanger that is used for liquid refrigerant is become gaseous state, described cold-storage heat-exchanger and outdoor evaporimeter are connected in parallel in the described loop.
2. heat pump water-heating machine according to claim 1 is characterized in that, described cold-storage heat-exchanger is inside and outside two-layer bucket body structure, is provided with insulation material in the middle of the described inside and outside two-layer bucket body structure.
3. heat pump water-heating machine according to claim 2 is characterized in that, is provided with the evaporation coil that is communicated with described heat pump water-heating machine in described internal layer bucket body structure, and stream has liquid refrigerant in the described evaporation coil.
4. heat pump water-heating machine according to claim 3 is characterized in that described evaporation coil is specially copper pipe.
5. heat pump water-heating machine according to claim 2 is characterized in that, described internal layer bucket body structure is interior, the outside agent for storage of coldness that is added with of evaporation coil.
6. heat pump water-heating machine according to claim 2 is characterized in that, described insulation material is a hard PU foaming thermal-insulating.
7. heat pump water-heating machine according to claim 1 is characterized in that, described heat release heat exchanger comprises double pipe heat exchanger and brazing plate type heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201355858U CN201322441Y (en) | 2008-09-01 | 2008-09-01 | Heat pump water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201355858U CN201322441Y (en) | 2008-09-01 | 2008-09-01 | Heat pump water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201322441Y true CN201322441Y (en) | 2009-10-07 |
Family
ID=41159822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201355858U Expired - Lifetime CN201322441Y (en) | 2008-09-01 | 2008-09-01 | Heat pump water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201322441Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102252453A (en) * | 2011-05-18 | 2011-11-23 | 肖鹏 | Machine integrating refrigeration, ice-making and heating |
| CN102287955A (en) * | 2011-07-15 | 2011-12-21 | 中国水产科学研究院渔业机械仪器研究所 | Fishing-boat diesel-engine residual-heat ammonia-water absorption-type refrigerating system and operating mode thereof |
| CN102313331A (en) * | 2011-10-18 | 2012-01-11 | 江苏七彩科技有限公司 | Ice storage refrigeration system and refrigeration method thereof |
| CN101666543B (en) * | 2008-09-01 | 2012-05-23 | 宁波惠康实业有限公司 | Heat pump water heater and control method |
| CN102478324A (en) * | 2010-11-30 | 2012-05-30 | 张耀中 | Air energy heat pump cold-warm-hot integrated equipment |
| CN102538289A (en) * | 2011-11-11 | 2012-07-04 | 上海理工大学 | Domestic solar airlift pump absorption type air conditioning system |
-
2008
- 2008-09-01 CN CNU2008201355858U patent/CN201322441Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101666543B (en) * | 2008-09-01 | 2012-05-23 | 宁波惠康实业有限公司 | Heat pump water heater and control method |
| CN102478324A (en) * | 2010-11-30 | 2012-05-30 | 张耀中 | Air energy heat pump cold-warm-hot integrated equipment |
| CN102252453A (en) * | 2011-05-18 | 2011-11-23 | 肖鹏 | Machine integrating refrigeration, ice-making and heating |
| CN102287955A (en) * | 2011-07-15 | 2011-12-21 | 中国水产科学研究院渔业机械仪器研究所 | Fishing-boat diesel-engine residual-heat ammonia-water absorption-type refrigerating system and operating mode thereof |
| CN102313331A (en) * | 2011-10-18 | 2012-01-11 | 江苏七彩科技有限公司 | Ice storage refrigeration system and refrigeration method thereof |
| CN102313331B (en) * | 2011-10-18 | 2013-08-28 | 江苏七彩科技有限公司 | Ice storage refrigeration system and refrigeration method thereof |
| CN102538289A (en) * | 2011-11-11 | 2012-07-04 | 上海理工大学 | Domestic solar airlift pump absorption type air conditioning system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091007 |
|
| CX01 | Expiry of patent term |