CN202938433U - Double-source heat pump air-conditioning unit - Google Patents
Double-source heat pump air-conditioning unit Download PDFInfo
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- CN202938433U CN202938433U CN 201220555848 CN201220555848U CN202938433U CN 202938433 U CN202938433 U CN 202938433U CN 201220555848 CN201220555848 CN 201220555848 CN 201220555848 U CN201220555848 U CN 201220555848U CN 202938433 U CN202938433 U CN 202938433U
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Abstract
The utility model relates to a double-source heat pump air-conditioning unit, which comprises a compressor, a four-way reversing valve, a refrigerant-water heat exchanger, a fin heat exchanger, a refrigeration restricted valve, a one-way valve, a heating restricted valve, an electromagnetic valve and a connecting pipeline, wherein the fin heat exchanger is arranged in a shell body; a blower, a sprinkler, a fin heat exchanger, a heat dissipation filling material and a water collection plate are arranged in the shell body in sequence from the top down; an air inlet is arranged between the water collection plate and the heat dissipation filling material at the lower part of the shell body; the water collection plate is connected with the sprinkler through a circulating water pump; and two ends of the fin heat exchanger are connected with the four-way reversing valve and the refrigerant-water heat exchanger respectively. The fin heat exchanger comprises a first fin heat exchanger and a second fin heat exchanger; and the first fin heat exchanger is connected with the second fin heat exchanger through the electromagnetic valve and the heating restricted valve connected in parallel. The double-source heat pump air-conditioning unit can overcome the defects of a single air source heat pump unit and a single water source heat pump unit, and is applicable to various environmental conditions; and moreover, the temperature of the heat exchanging is low, the energy saving effect is remarkable, and the operational efficiency of the unit is high.
Description
Technical field
The utility model relates to a kind of heat pump type air conditioner set, specifically relates to a kind of double-source heat pump air-conditioning unit, belongs to field of Refrigeration and Air-conditioning.
Background technology
Net for air-source heat pump units fluctuation influenced by ambient temperature is large, and summer, when freezing, because environment temperature is high, condensing pressure was large, and Energy Efficiency Ratio descends, and under the thermal extremes condition, the refrigeration efficiency of net for air-source heat pump units is than lower; During winter operation, environment temperature is low, and fin is subjected to the impact of frosting to make unit operation unstable, and efficient is low, also will cause heat supply to be interrupted during Defrost operation, and its defrosting loss accounts for 10% of heat pump total energy consumption loss.Water source heat pump units, because formation temperature is relatively stable throughout the year, the scope of its temperature is far smaller than the fluctuation of air, is good Cooling and Heat Source, although efficient is high, not only cost is high for soil pipe laying heat pump, also is subject to the restriction in geographical position; Groundwater heat pump system does not also have good method to solve to the groundwater recharge problem at present, moreover also can pollute underground water, has a lot of cities expressly to ban use of underground water; The surface water heat pump system can only be used in the zone that water resource is enriched, and is higher to water quality requirement.In order to overcome the familiar lacunas of simple net for air-source heat pump units and water source heat pump units, the utility model provides a kind of double-source heat pump air-conditioning unit, can adapt under multiple environmental condition and use, and heat-exchange temperature is low, uses spirit and fits, and unit operation efficiency is high.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of double-source heat pump air-conditioning unit for above-mentioned needs of the prior art, can overcome the familiar lacunas of simple net for air-source heat pump units and water source heat pump units, adaptation is used under multiple environmental condition, heat-exchange temperature is low, energy-saving effect is remarkable, and unit operation efficiency is high.
Technical problem to be solved in the utility model can be achieved through the following technical solutions:
A kind of double-source heat pump air-conditioning unit, comprise compressor, four-way change-over valve, cold-producing medium-water-to-water heat exchanger, finned heat exchanger, refrigeration choke valve, check valve, heat choke valve, magnetic valve and connecting pipe, described finned heat exchanger is arranged in housing, set gradually blower fan, water sprinkler, finned heat exchanger, heat radiation filler and water-collecting tray in described housing from top to bottom, be provided with the air inlet port between lower housing portion water-collecting tray and heat radiation filler; Connect by water circulating pump between water-collecting tray and water sprinkler, the two ends of finned heat exchanger are connected with four-way change-over valve, cold-producing medium-water-to-water heat exchanger respectively.
Described finned heat exchanger comprises the first finned heat exchanger and the second finned heat exchanger, the magnetic valve by parallel connection between the first finned heat exchanger and the second finned heat exchanger be connected choke valve and connect.
Connect with the choke valve that is connected by check valve in parallel between described finned heat exchanger and cold-producing medium-water-to-water heat exchanger.
The utility model is compared with existing heat pump techniques has following good effect: 1, energy-saving effect is remarkable: realized the frostless operation of air source heat pump air-conditioner, improved the service efficiency of heat pump; Summer, adopt water and air as mixing low-temperature receiver, significantly reduced the condensation temperature of unit, Energy Efficiency Ratio is far away higher than traditional net for air-source heat pump units; 2, do not rely on the thermals source such as underground water, surface water, be not subjected to the restriction of geological conditions, floor space is little; 3, need not consider cooling and heating load equilibrium in summer in water resource heat pump ground source winter, also need not consider the problem of auxiliary electrical heater and defrosting in winter, solve the familiar lacunas of simple net for air-source heat pump units and water source heat pump units.The utility model has Technological Economy value preferably, and commercialization development and application prospect are very good.
Description of drawings
Fig. 1 is structural representation of the present utility model.
The specific embodiment
For technological means that the utility model is realized, create feature, reach purpose and effect is easy to understand, below in conjunction with the drawings and specific embodiments, the utility model is further elaborated.
Fig. 1 shows concrete structure of the present utility model.a kind of double-source heat pump air-conditioning unit of the present utility model comprises compressor 1, four-way change-over valve 2, cold-producing medium-water-to-water heat exchanger 3, the first finned heat exchanger 12, the second finned heat exchanger 13, refrigeration choke valve 4, check valve 5, heats choke valve 6, magnetic valve 7 and connecting pipe, the exhaust outlet of compressor 1 is connected with the interface a of four-way change-over valve 2, the interface b of four-way change-over valve 2 is connected in the interface of the second finned heat exchanger 13, another interface of the second finned heat exchanger 13 is connected with the import that heats choke valve 6, the outlet that heats choke valve 6 is connected with an interface of the first finned heat exchanger 12, magnetic valve 7 is parallel to the two ends that heat choke valve 6, the import of another interface of the first finned heat exchanger 12 and the choke valve 4 that is connected connects, the outlet of refrigeration choke valve 4 is connected with the refrigerant passage interface of cold-producing medium-water-to-water heat exchanger 3, check valve 5 is parallel to the two ends of refrigeration choke valve 4, the interface c of another interface of the refrigerant passage of cold-producing medium-water-to-water heat exchanger 3 and four-way change-over valve 2 is connected, the interface d of four-way change-over valve 2 is connected in the gas returning port of compressor 1, set gradually blower fan 15, water sprinkler 14, the second finned heat exchanger 13, the first finned heat exchanger 12, heat radiation filler 10 and water-collecting tray 9 in housing 11 from top to bottom, be provided with the air inlet port between housing 11 bottom water-collecting trays 9 and heat radiation filler 10, connect by water circulating pump 8 between water-collecting tray 9 and water sprinkler 14, the water inlet of water circulating pump 8 is connected with the delivery port of water-collecting tray 9, and the delivery port of water circulating pump 8 connects water sprinkler 14 by pipeline.
During the unit in summer refrigerating operaton, magnetic valve 7 is opened, water circulating pump 8 and blower fan 15 operations, 14 pairs of the second finned heat exchangers 13 of water sprinkler spray, the high pressure, high temperature refrigerant gas that compressor 1 is discharged enters into the second finned heat exchanger 13 through four-way change-over valve 2 and the first finned heat exchanger 12 carries out the condensation heat release, liquid refrigerant enters the 3 heat absorption evaporations of cold-producing medium-water-to-water heat exchanger through refrigeration choke valve 4, produce cold water for the user, get back to compressor 1 through four-way change-over valve 2 after the cold-producing medium evaporation and form whole kind of refrigeration cycle.water flows out from water-collecting tray 9, through spray the very thin moisture film of outer surface formation of the second finned heat exchanger 13 after water circulating pump 8 superchargings by water sprinkler 14, be evaporated to steam after the heat absorption of part water in moisture film, another part flows to the first finned heat exchanger 12 and continues evaporation, remaining drops on heat radiation filler 10, be pooled at last in water-collecting tray 9 and supply with water circulating pump 8 and recycle, under the effect of blower fan 15, Cryogenic air from housing 11 lower wall air inlet port inlet flows through the heat radiation filler 10, the first finned heat exchanger 12 and the second finned heat exchanger 13, condensation heat is discharged in ambient atmosphere.
When unit winter heating moved, magnetic valve 7 and water circulating pump 8 were closed, blower fan 15 operations, and the high pressure, high temperature refrigerant gas that compressor 1 is discharged enters into cold-producing medium-water-to-water heat exchanger 3 through four-way change-over valve 2 and carries out the condensation heat release, and hot water preparing is for the user; Condensed high pressure, high temperature refrigerant liquid carried out cold by check valve 5 through the first finned heat exchanger 12, cross cold stage cold-producing medium liberated heat and be used for heating the air-source that flows into the second finned heat exchanger 13 through the first finned heat exchanger 12, improve the evaporating temperature of the second finned heat exchanger 13 coil pipe inner refrigerants with this, excessively cold refrigerant liquid becomes coil pipe that low-temp low-pressure liquid enters the second finned heat exchanger 13 and absorbs heat and get back to compressor 1 by four-way change-over valve 2 after evaporation and formed the whole circulation that heats by heating choke valve 6 throttlings.
The utility model not only has the feature performance benefit of water chiller, has overcome simultaneously the deficiency of conventional air source source pump and water source heat pump units; During refrigerating operaton, by sprinkling water on finned heat exchanger, adopt water and air to mix its condensation in summer, greatly reduce condensation temperature, Energy Efficiency Ratio is far away higher than net for air-source heat pump units; In the winter time during heating operation, by the first finned heat exchanger, the air-source that flows into the second finned heat exchanger is heated, air-source after being heated flows to the second finned heat exchanger, not only improve the evaporating temperature of refrigerant circulation, increase simultaneously the degree of supercooling of refrigerant circulation, so both improve the efficient of heat pump, overcome again the defective that conventional air source heat pump need to defrost.
The above embodiment is the preferred embodiment that proves absolutely that the utility model is lifted, and protection domain of the present utility model is not limited to this; For a person skilled in the art, can make other various corresponding changes and distortion according to technical scheme described above and design, and these all changes and the distortion all should belong to the protection domain of the utility model claim within.
Claims (3)
1. double-source heat pump air-conditioning unit, comprise compressor, four-way change-over valve, cold-producing medium-water-to-water heat exchanger, finned heat exchanger, refrigeration choke valve, check valve, heat choke valve, magnetic valve and connecting pipe, it is characterized in that: described finned heat exchanger is arranged in housing, set gradually blower fan, water sprinkler, finned heat exchanger, heat radiation filler and water-collecting tray in described housing from top to bottom, be provided with the air inlet port between lower housing portion water-collecting tray and heat radiation filler; Connect by water circulating pump between water-collecting tray and water sprinkler, the two ends of finned heat exchanger are connected with four-way change-over valve, cold-producing medium-water-to-water heat exchanger respectively.
2. a kind of double-source heat pump air-conditioning unit according to claim 1, it is characterized in that: described finned heat exchanger comprises the first finned heat exchanger and the second finned heat exchanger, the magnetic valve by parallel connection between the first finned heat exchanger and the second finned heat exchanger be connected choke valve and connect.
3. a kind of double-source heat pump air-conditioning unit according to claim 1 and 2, is characterized in that: connect with the choke valve that is connected by check valve in parallel between described finned heat exchanger and cold-producing medium-water-to-water heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220555848 CN202938433U (en) | 2012-10-26 | 2012-10-26 | Double-source heat pump air-conditioning unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220555848 CN202938433U (en) | 2012-10-26 | 2012-10-26 | Double-source heat pump air-conditioning unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202938433U true CN202938433U (en) | 2013-05-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220555848 Expired - Fee Related CN202938433U (en) | 2012-10-26 | 2012-10-26 | Double-source heat pump air-conditioning unit |
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| Country | Link |
|---|---|
| CN (1) | CN202938433U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102927637A (en) * | 2012-10-26 | 2013-02-13 | 安徽京奥制冷设备有限公司 | Double source heat pump air conditioning unit |
| CN105627424A (en) * | 2014-10-28 | 2016-06-01 | 广东美的制冷设备有限公司 | Air conditioner |
-
2012
- 2012-10-26 CN CN 201220555848 patent/CN202938433U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102927637A (en) * | 2012-10-26 | 2013-02-13 | 安徽京奥制冷设备有限公司 | Double source heat pump air conditioning unit |
| CN105627424A (en) * | 2014-10-28 | 2016-06-01 | 广东美的制冷设备有限公司 | Air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130515 Termination date: 20141026 |
|
| EXPY | Termination of patent right or utility model |