CN201173636Y - Combined type wind cooling-water cooling heat pump units - Google Patents
Combined type wind cooling-water cooling heat pump units Download PDFInfo
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- CN201173636Y CN201173636Y CNU2008200791648U CN200820079164U CN201173636Y CN 201173636 Y CN201173636 Y CN 201173636Y CN U2008200791648 U CNU2008200791648 U CN U2008200791648U CN 200820079164 U CN200820079164 U CN 200820079164U CN 201173636 Y CN201173636 Y CN 201173636Y
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Abstract
The utility model discloses a combined air cooling-cooling water heat pump unit with double efficacy of refrigeration and heating, which belongs to the range of central air-conditioning equipment. An air-cooled heat pump unit A and a water cooling type unit B form a combined air cooling-water cooling heat pump unit through the cooperation of a water circuiting device connected between the two units, therefore the defects that refrigeration or the heating effects are greatly affected during the operation or units can not be powered on for working normally under the conditions of too high temperature of external environment or too low environmental temperature existing in the traditional air cooling heat pump unit and the water resource heat pump unit can be overcome. The combined air cooling-cooling water heat pump unit combines the characteristics of the two heat pump units, exerts the advantages of the two heat pump units respectively, simultaneously eliminates the bad influences during the individual operation, combines the air cooling heat pump unit and the water resource heat pump unit into an organic whole, and realizes the refrigeration and the heating functions through the transformation of the water circulating device. The heat pump unit of the utility model is convenient in installation, has no need of consuming water resources, and is widely applied to the places in shortage of water.
Description
Technical field
The utility model belongs to the central air conditioning equipment scope, particularly has refrigeration, heats a kind of composite wind-cooled-cold water source pump of double effects.
Background technology
Air-cooled unit comprises large-sized wind cooling heat pump central air-conditioning and small-sized split type domestic air conditioning, is that present application region is the widest, uses the most general unit form, the height that occupation rate of market is also suitable.So air-cooled unit is only so favored, its main cause is that this air-conditioning form has following outstanding advantage:
(1) air-cooled air-conditioning unit is installed very simple, as long as connect the water lines of air-conditioning system and unit just passable.Unit is placed in the open, need not machine room, promptly can be placed directly in unit on the ground, also can directly be placed on unit on roof or even the balcony, thereby also need to connect complicated air conditioning cooling water system unlike other air-conditioning form, therefore greatly made things convenient for installing and using of client.
(2) air-cooled air-conditioning be with air as Cooling and Heat Source, such Cooling and Heat Source form has determined the application of unit to be subjected to the restriction of any region hardly.Particularly for the lack of water serious area, air-cooled unit is undoubtedly the optimised form of air-conditioning.
(3) because air-cooled unit does not need cooling water system, this has just greatly saved the idle call water yield, and has saved cooling tower, cooling water pump, and the investment of the miscellaneous equipment relevant with cooling water, also removed the equipment and the expense of cooling water being carried out water treatment simultaneously from.
Though air-cooled unit possesses so many advantages, but its development and use still are restricted, its main cause be the shortcoming of this air-conditioning form also be very obviously and outstanding: that is exactly that the Energy Efficiency Ratio of air-conditioning is too low, power consumption is huge, and the energy-saving and cost-reducing principle that this point and we are proposed runs in the opposite direction.Particularly when ambient temperature is too high or too low, very poor of corresponding refrigeration and heating effect.The problem that can't play machine when adding the situation of unit winter heating when operation frosting and low temperature can not get effective must the solution always, so the use of air-cooled unit is subjected to increasing restriction in recent years.Therefore how to improve the operating condition of air-cooled unit, the operational energy efficiency that improves unit is than becoming the focus of attention and research.
Water-cooled unit as combined air conditioner unit terminal part mainly refers to, and with the unit form of water as heat exchange medium, that is to say with the unit form of water as Cooling and Heat Source, such as water source heat pump units.With the water resource heat pump is example, the pluses and minuses of this air-conditioning unit also be very obviously, its main advantage is: the unit operation operating mode is comparatively stable, the Energy Efficiency Ratio of unit is higher, obvious energy conservation is the air-conditioning unit form that the Chinese government advocates; Its shortcoming is exactly: the unit Cooling and Heat Source is from groundwater resources, this for one to the serious China of lack of water, development to water source heat pump units has caused tremendous influence undoubtedly, though this also is the energy-conservation main cause place of failing effectively to be developed of water source heat pump units why.
Combined type water cooling heat pump unit just is being based on all having superiority of above two kinds of air-conditioning forms the characteristics of fatal shortcoming simultaneously again, by effective integrated tissue, it is displayed one's respective advantages, overcome simultaneously deficiency each other again, thereby make this brand-new air-conditioning form promptly can not be subjected to the restriction of region and water resource, can reach energy saving purposes again.Therefore the appearance of combined type water cooling heat pump unit will bring a kind of brand new concept and and development model for the development of air-conditioning.
Summary of the invention
The purpose of this utility model be at existing unit have the defective of the restriction that is subjected to region and water resource and provide a kind of composite wind-cooled-the water cooling heat pump unit, so that unit can be higher than 35 ℃ and still can high efficiencyly move when being lower than-5 ℃ in external environment, effectively freeze and heat supply for the building air conditioning zone, avoid the unit fault that Air-Cooled Heat Pump Unit is too high or too low in environment temperature and the water-cooled unit causes simultaneously when environment temperature is too high.
Described composite wind-cooled-the water cooling heat pump unit, it is characterized in that, connect water circle device between Air-Cooled Heat Pump Unit A and the water-cooled B of Unit and form a composite wind-cooled-water cooling heat pump unit.
Described water circle device is by the water pump 19 that connects between the condenser 12 of the right wing of the water-side heat 10 of Air-Cooled Heat Pump Unit and water-cooled unit and evaporimeter 13 first halves, and first gate valve 20 of three gate valve 22 in parallel and the 4th gate valve 23 and water pump inlet parallel and second gate valve, 21 compositions with exit of pump.
Two interfaces of described condenser 12 first halves connect second gate valve 21 and the 4th gate valve 23 respectively; Two interfaces of evaporimeter 13 first halves connect first gate valve 20 and the 3rd gate valve 22 respectively.
Described Air-Cooled Heat Pump Unit A is: the refrigeration pipe arrangement is connected first compressor 1 respectively with four-way change-over valve 2, gas-liquid separator 4, air-cooled side heat exchanger 9 one ends connect four-way change-over valve 2, and the other end connects the tie point of first check valve 3.1 and the 4th check valve 3.4; Another interface of gas-liquid separator 4 is connected to four-way change-over valve 2, and an interface of four-way change-over valve 2 connects the last interface on water-side heat 10 left roads, and the lower interface on water-side heat 10 left roads is connected with the tie point of the 3rd check valve 3.3 and second check valve 3.2; , series connection refrigeration magnetic valve 7, refrigeration heating power expansion valve 8 and series connection heat magnetic valve 7 ', heat after heating power expansion valve 8 ' parallel connection again with device for drying and filtering 6, reservoir 5 series connection, reservoir 5 is connected with the tie point of the 3rd check valve 3.3 and the 4th check valve 3.4 then; The refrigeration heating power expansion valve 8, heat heating power expansion valve 8 ' parallel interface and the tie point of first check valve 3.1 and second check valve 3.2 be connected.
Described water-cooled B of Unit is: the refrigeration pipe arrangement is connected with one of condenser 12 Lower Halves interface second compressor 11 respectively with one of evaporimeter 13 Lower Halves interface; Series connection device for drying and filtering 17, liquid-sighting glass 16, magnetic valve 15 and heating power expansion valve 14 between another interface of another interface of condenser 12 Lower Halves and evaporimeter 13 Lower Halves, two signal line of temperature-sensitive sensor 18 directly are connected on the heating power expansion valve 14.
The beneficial effects of the utility model are that Air-Cooled Heat Pump Unit A and water-cooled B of Unit form a composite wind-cooled-water cooling heat pump unit by the cooperation that is connected two water circle devices between the unit.Make unit be higher than 35 ℃ and still can high efficiencyly move when being lower than-5 ℃ in external environment, effectively freeze and heat supply for the building air conditioning zone, avoid the unit fault that Air-Cooled Heat Pump Unit is too high or too low in environment temperature and the water-cooled unit causes simultaneously when environment temperature is too high.Thereby solved the air conditioning and heating problem when cold in wide geographic area such as air-cooled unit refrigerating capacity decline of summer high temperature weather and northeast, northwest, North China winter effectively.Solve the problem of water source heat pump units operation dependence groundwater resources, protected freshwater resources, the energy-conservation characteristics of water resource heat pump are displayed fully, reached the effect of energy-saving and emission-reduction.
Description of drawings
Fig. 1 is the structure and the operational process schematic diagram of composite wind-cooled-water cooling heat pump unit.
The specific embodiment
The utility model provide a kind of composite wind-cooled-the water cooling heat pump unit.In the structure and operational process schematic diagram of composite wind-cooled-water cooling heat pump unit shown in Figure 1, Air-Cooled Heat Pump Unit A and water-cooled B of Unit form a composite wind-cooled-water cooling heat pump unit by the cooperation that is connected two water circle devices between the unit.
Described water circle device is included in the water pump 19 that connects between the condenser 12 of the right wing of water-side heat 10 of Air-Cooled Heat Pump Unit and water-cooled unit and evaporimeter 13 first halves, and first gate valve 20 of three gate valve 22 in parallel and the 4th gate valve 23 and water pump inlet parallel and second gate valve 21 with exit of pump.
Composite wind-cooled-cold water source pump operation detailed process is as follows:
During refrigeration, as shown in Figure 1, at first produce " cold water " about 20 ℃ by Air-Cooled Heat Pump Unit A, the cooling water that is used as the water-cooled B of Unit uses.The steam of the HTHP that first compressor 1 among the Air-Cooled Heat Pump Unit A is discharged enters air side heat exchanger 9 through four-way change-over valve 2, come out successively through device for drying and filtering 6 and refrigeration magnetic valve 7 through reservoir 5 through condensed refrigeration Ji liquid, carry out heat exchange through entering into water-side heat 10 after refrigeration heating power expansion valve 8 throttlings with wherein water then, absorb heat after four-way change-over valve 2 returns in first compressor 1, finish a circulation.At this moment, the water-cooled B of Unit is carried out condensation by 20 ℃ " cold water " that Air-Cooled Heat Pump Unit A produces, thereby produces 7 ℃ required chilled water of air-conditioning.In the water-cooled B of Unit, second compressor 11 is drained in the condenser 12 after refrigerant vapor is compressed, flow through device for drying and filtering 17, liquid-sighting glass 16 and magnetic valve 15 successively through condensed refrigerant liquid) enter into heating power expansion valve 14 and carry out throttling, cold-producing medium after the throttling enters into evaporimeter 12 and evaporates, and then get back to second compressor 11, finish another kind of refrigeration cycle.
The circulation in water route then comprises water circulation and air-conditioning system water circulation two parts of unit inside.The unit internal water cycles through water pump 19 water is extracted out from water-side heat 10, and current enter into condenser 12 through the 4th gate valve 23, and water carries out heat exchange at condenser 12, absorbs heat after second gate valve 21 flow in the water-side heat 10 again.Meanwhile, first gate valve 20 on the water route and the 3rd gate valve 22 are in closed condition.The circulation in air-conditioning water route then is, system water enters into evaporimeter 13 by air conditioner water import Sj1, and through after the heat exchange, system water is lowered the temperature, and SC2 enters into the air conditioner refrigerating zone from the air conditioner water outlet.
When heating, as shown in Figure 1, the steam of the HTHP that first compressor 1 among the Air-Cooled Heat Pump Unit A is discharged enters water-side heat 10 through four-way change-over valve 2, come out through reservoir 5 through condensed refrigerant liquid, successively through device for drying and filtering 6 and heat magnetic valve 7 ', enter into air side heat exchanger 9 through after heating heating power expansion valve 8 ' throttling then, carry out heat exchange with wherein air, absorb heat after four-way change-over valve 2 returns in first compressor 1, finish a circulation.At this moment, circulation in the water-cooled B of Unit is the same any variation that do not take place with refrigeration, second compressor 11 is drained in the condenser 12 after refrigerant vapor is compressed, after condensed refrigerant liquid flows through device for drying and filtering 17, liquid-sighting glass 16 and magnetic valve 15 successively, enter into heating power expansion valve 14 and carry out throttling, cold-producing medium after the throttling enters into evaporimeter 13 and evaporates, and then get back to second compressor 11, finish another kind of refrigeration cycle.
The circulation in water route comprises water circulation and air-conditioning system water circulation two parts of unit inside equally.The unit internal water cycles through water pump 19 water is extracted out from water-side heat 10, and current enter into evaporimeter 13 through the 3rd gate valve 22, and water carries out heat exchange at evaporimeter 13, emits heat after second gate valve 21 flow in the water-side heat 10 again.Meanwhile, the 4th gate valve 23 on the water route and first gate valve 20 are in closed condition.The circulation in air-conditioning water route then is, system water enters into condenser 12 by air conditioner water import Sj2, and through after the heat exchange, system water is lowered the temperature, and SC2 enters into air-conditioning heat supply zone from the air conditioner water outlet.
Though this use novel during by air-cooled hot unit and water-cooled unit form, but the Energy Efficiency Ratio the when Energy Efficiency Ratio of forming the compound air-cooled-water-cooled source pump that forms is far longer than the unit isolated operation, this mainly be because, compound unit has improved the unit operation environment effectively, makes each unit all freeze and heat circulation at its best operating condition.Still more, composite air conditioner system also saved well-digging and to the dependence of underground water resource, therefore took all factors into consideration this moment, compound air-cooled-the energy-conservation situation of water cooling air conditioning system still is a highly significant.Its outstanding advantage mainly contains:
1. improved the running environment of unit, widened the working range of unit, the highest cryogenic temperature of unit is brought up to 40 ℃～45 ℃ from 35 ℃, the minimum temperature that heats will be hanged down-10 ℃～25 ℃ from-5 ℃, thereby solved the air conditioning and heating problem when cold in wide geographic area such as the air-cooled unit refrigerating capacity decline of summer high temperature weather and northeast, northwest, North China winter effectively.
2. solve the problem of water source heat pump units operation dependence groundwater resources, protected freshwater resources, the energy-conservation characteristics of water resource heat pump are displayed fully, reached the effect of energy-saving and emission-reduction.
3. pass through the combined running of two-stage unit, two kinds of units are all worked under a favourable relatively operating mode, thereby the refrigeration separately and the heating capacity of Ti Gaoing greatly, increased Energy Efficiency Ratio, and then also solved unit effectively often because high pressure is too high or low pressure is crossed low caused unit fault, also solve the problem that always perplexs the Air-Cooled Heat Pump Unit winter frost removing simultaneously.
4. by reasonably mating, the operational energy efficiency of whole unit is greatly improved than air-cooled heat pump than still, thereby has saved the energy.
Claims (5)
1. composite wind-cooled-water cooling heat pump unit is characterized in that, connects water circle device and form a composite wind-cooled-water cooling heat pump unit between Air-Cooled Heat Pump Unit A and water-cooled B of Unit.
According to claim 1 described composite wind-cooled-the water cooling heat pump unit, it is characterized in that, described water circle device is by the water pump (19) that connects between the condenser (12) of the right wing of the water-side heat (10) of Air-Cooled Heat Pump Unit A and water-cooled B of Unit and evaporimeter (13) first half, and first gate valve (20) of three gate valve (22) in parallel and the 4th gate valve (23) and water pump inlet parallel and second gate valve (21) composition with exit of pump.
According to claim 1 or 2 described composite wind-cooled-the water cooling heat pump unit, it is characterized in that two interfaces of described condenser (12) first half connect second gate valve (21) and the 4th gate valve (23) respectively; Two interfaces of evaporimeter (13) first half connect first gate valve (20) and the 3rd gate valve (22) respectively.
According to claim 1 described composite wind-cooled-the water cooling heat pump unit, it is characterized in that, described Air-Cooled Heat Pump Unit A is that the refrigeration pipe arrangement is connected first compressor (1) respectively with four-way change-over valve (2), gas-liquid separator (4), air-cooled side heat exchanger (9) one ends connect four-way change-over valve (2), and the other end connects the tie point of first check valve (3.1) and the 4th check valve (3.4); Another interface of gas-liquid separator (4) is connected to four-way change-over valve (2), an interface of four-way change-over valve (2) connects the last interface on the left road of water-side heat (10), and the lower interface on the left road of water-side heat (10) is connected with the tie point of the 3rd check valve (3.3) with second check valve (3.2); , series connection refrigeration magnetic valve (7), refrigeration heating power expansion valve (8) and series connection heat magnetic valve (7 '), heat after heating power expansion valve (8 ') parallel connection connect with device for drying and filtering (6), reservoir (5) again, reservoir (5) is connected with the tie point of the 3rd check valve (3.3) with the 4th check valve (3.4) then; Refrigeration heating power expansion valve (8), the parallel interface that heats heating power expansion valve (8 ') are connected with the tie point of first check valve (3.1) with second check valve (3.2).
5, according to claim 1 described composite wind-cooled-the water cooling heat pump unit, it is characterized in that described water-cooled B of Unit is that the refrigeration pipe arrangement is connected with one of condenser (12) Lower Half interface second compressor (11) respectively with one of evaporimeter (13) Lower Half interface; Connect between another interface of another interface of condenser (12) Lower Half and evaporimeter (13) Lower Half device for drying and filtering (17), liquid-sighting glass (16), magnetic valve (15) and heating power expansion valve (14); Temperature-sensitive sensor (18) and balance pipe on the heating power expansion valve (14) directly are connected on the gas exhaust piping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200791648U CN201173636Y (en) | 2008-02-22 | 2008-02-22 | Combined type wind cooling-water cooling heat pump units |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200791648U CN201173636Y (en) | 2008-02-22 | 2008-02-22 | Combined type wind cooling-water cooling heat pump units |
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| CN201173636Y true CN201173636Y (en) | 2008-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2008200791648U Expired - Fee Related CN201173636Y (en) | 2008-02-22 | 2008-02-22 | Combined type wind cooling-water cooling heat pump units |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104534587A (en) * | 2014-12-16 | 2015-04-22 | 陕西东泰能源科技有限公司 | Efficient refrigeration air source heat pump |
| CN106288506A (en) * | 2015-05-18 | 2017-01-04 | 重庆通用贝园制冷空调设备有限责任公司 | A kind of air conditioning system |
| CN107477899A (en) * | 2017-09-21 | 2017-12-15 | 无锡职业技术学院 | A kind of water route coupling cascade formula low-temperature air-cooling heat pump system |
-
2008
- 2008-02-22 CN CNU2008200791648U patent/CN201173636Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104534587A (en) * | 2014-12-16 | 2015-04-22 | 陕西东泰能源科技有限公司 | Efficient refrigeration air source heat pump |
| CN106288506A (en) * | 2015-05-18 | 2017-01-04 | 重庆通用贝园制冷空调设备有限责任公司 | A kind of air conditioning system |
| CN107477899A (en) * | 2017-09-21 | 2017-12-15 | 无锡职业技术学院 | A kind of water route coupling cascade formula low-temperature air-cooling heat pump system |
| CN107477899B (en) * | 2017-09-21 | 2023-10-13 | 无锡职业技术学院 | Waterway coupling overlapping type low-temperature air-cooled heat pump system |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081231 Termination date: 20170222 |
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| CF01 | Termination of patent right due to non-payment of annual fee |