CN201772677U - Direct-current frequency-conversion multifunctional air conditioner - Google Patents
Direct-current frequency-conversion multifunctional air conditioner Download PDFInfo
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- CN201772677U CN201772677U CN201020525838XU CN201020525838U CN201772677U CN 201772677 U CN201772677 U CN 201772677U CN 201020525838X U CN201020525838X U CN 201020525838XU CN 201020525838 U CN201020525838 U CN 201020525838U CN 201772677 U CN201772677 U CN 201772677U
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- 238000006243 chemical reaction Methods 0.000 title abstract 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 83
- 239000003507 refrigerant Substances 0.000 claims abstract description 67
- 239000007788 liquid Substances 0.000 claims abstract description 34
- 238000010438 heat treatment Methods 0.000 claims abstract description 23
- 230000005855 radiation Effects 0.000 claims abstract description 20
- 238000011084 recovery Methods 0.000 abstract description 3
- 230000002349 favourable effect Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 23
- 238000004378 air conditioning Methods 0.000 description 6
- 239000010687 lubricating oil Substances 0.000 description 6
- 230000005494 condensation Effects 0.000 description 5
- 238000009833 condensation Methods 0.000 description 5
- 238000001704 evaporation Methods 0.000 description 5
- 230000008020 evaporation Effects 0.000 description 5
- 239000000203 mixture Substances 0.000 description 4
- 230000004087 circulation Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000002918 waste heat Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000001839 systemic circulation Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a direct-current frequency-conversion multifunctional air conditioner, comprising a direct-current frequency-conversion compressor (1), an oil-gas separator (2), a four-way valve (3), a condenser (4), an outlaid gas-liquid separator (7) and multi-groups parallel indoor expansion valves (9) and indoor machines (10). The direct-current frequency-conversion multifunctional air conditioner also comprises a heat recovering device, a heat pump water heater and a floor heat radiation heating device. The multifunctional air conditioner also comprises an auxiliary four-way valve and a plurality of one-way valves on the connection pipeline, wherein the auxiliary four-way valve is communicated with a first water-refrigerant heat exchanger and the four-way valve. When performing the heat recovery, the air conditioner is free from the operation mode and very energy-saving and in the winter, the air conditioner is favorable for near-ground heating.
Description
Technical field:
The utility model relates to air-conditioning technical field, specifically is the multi-joint machine multifunctional air-conditioning of a kind of DC frequency-changing.
Background technology:
The DC frequency-changing multi-gang air-conditioner comprises DC frequency-changeable compressor, gs-oil separator, cross valve, condenser, reservoir, stop valve, external gas-liquid separator, indoor expansion valve and many groups indoor expansion valve and indoor set in parallel; The exhaust end of described DC frequency-changeable compressor is communicated with the inlet end of gs-oil separator, and the outlet side of gs-oil separator is connected with cross valve; Other three ends of described cross valve are connected with external gas-liquid separator, condenser, indoor set respectively, and described condenser is connected with indoor set through reservoir, indoor expansion valve successively; Be connected with between described condenser and the reservoir and heat expansion valve.Adopt above-mentioned prior art, conventional DC frequency-changing multi-gang air-conditioner is when moving under the cooling condition summer, compressor is discharged the cold-producing medium of HTHP, cold-producing medium is condensation in condenser, high-temperature high-pressure refrigerant is converted into low-temperature low-pressure refrigerant, liberated heat directly is emitted on outdoor without utilization, caused the waste of this part waste heat, is unfavorable for energy-conservation; Winter is during heating condition, because the hot blast density that indoor set blows out is little, does not arrive people's foot and near the place, ground, causes not reaching the human comfort requirement in the temperature near the human foot, and just the temperature at near-earth plate place is lower, is not easy to warm oneself winter.
The utility model content:
The technical problems to be solved in the utility model provides a kind of not being subject to seasonal restrictions and carries out recuperation of heat, can improve the multi-joint machine multifunctional air-conditioning of DC frequency-changing of temperature near the ground during winter refrigeration.
Technical solution of the present utility model is, the multi-joint machine multifunctional air-conditioning of DC frequency-changing of following structure is provided, comprises DC frequency-changeable compressor, gs-oil separator, cross valve, condenser, reservoir, external gas-liquid separator and many groups indoor expansion valve and indoor set in parallel.
Described DC frequency converting air-conditioner also comprises heat reclamation device, Teat pump boiler and floor heat radiation heating plant;
Described heat reclamation device comprises first water-refrigerant heat exchanger, first boiler and water pump, described first water-refrigerant heat exchanger two ends that are communicated with at condenser in parallel, wherein an end is communicated with reservoir, the water inlet of first water-refrigerant heat exchanger and delivery port are communicated with first boiler, and described water pump is arranged on the connecting pipe between the first water-refrigerant heat exchanger and first boiler; Described first water-refrigerant heat exchanger is provided with the refrigerant flow control valve near the connecting pipe of cross valve end;
Described Teat pump boiler comprises invariable frequency compressor, second water-refrigerant heat exchanger, throttling arrangement, evaporimeter and gas-liquid separator II, the exhaust end of described invariable frequency compressor is communicated with second water-refrigerant heat exchanger, described second water-refrigerant heat exchanger is communicated with evaporimeter through throttling arrangement, and described evaporimeter is connected with the air return end of compressor through gas-liquid separator II; One end of described second water-refrigerant heat exchanger is connected in series with first water-refrigerant heat exchanger, and the other end is communicated with first boiler;
Described floor heat radiation heating plant comprises condenser coil, second boiler and hot water radiation cycle device, described condenser coil and a plurality of indoor set are connected in parallel, condenser coil is positioned at second boiler, and described second boiler is communicated with hot water radiation cycle device.
Described DC frequency-changing multi-functional air conditioner also comprises an auxiliary cross valve and a plurality of check valves that are installed on the connecting pipe, and described auxiliary cross valve is communicated with first water-refrigerant heat exchanger and cross valve.
Adopt after the above structure compared with prior art, the utlity model has following advantage: adopt the utility model structure, heat reclamation device, Teat pump boiler and floor heat radiation heating plant have been increased, when summer, cooling condition moved, heat reclamation device can make the water in first boiler reach the demand temperature, does not just need to open Teat pump boiler; When heat reclamation device can't make water in first boiler reach the demand temperature, then open Teat pump boiler and simultaneously the water in first boiler is heated; When winter heating, heat reclamation device can't use, also needing to open Teat pump boiler heats first boiler, thereby make the water in first boiler satisfy the requirement of using, the utility model is not subjected to the influence of operating condition, water in first boiler can both be heated to the demand water temperature, heat reclamation device is played good supplementary function; Heat radiation heating plant in floor is opened and can be improved the temperature on ground by the radiant heat water pipe, thereby has improved heating effect; The pipeline that cold-producing medium is flowed through can be regulated by auxiliary cross valve and check valve, thereby also recuperation of heat can be carried out when the utility model is freezed in the winter time.
As improvement, described auxiliary cross valve one end is communicated with first water-refrigerant heat exchanger, and be communicated with cross valve through check valve II simultaneously, one end is communicated with condenser, one end is connected with check valve III, described check valve III and check valve II are connected in the same end of cross valve in parallel, and an end is communicated with indoor expansion valve; Be connected with check valve IV between cross valve and indoor expansion valve, check valve V one end is connected between check valve II and the auxiliary cross valve, and the other end is connected between cross valve and the check valve IV.
As improvement, described hot water radiation cycle device comprises water pump, water knockout drum, radiant heat water pipe and water collector, the delivery port of second boiler is connected with water pump, described water pump is communicated with water knockout drum, water knockout drum is arranged on radiant heat water pipe water inlet place, and water collector is located at the exit of radiant heat water pipe and is communicated with second boiler.
As improvement, described refrigerant flow control valve is an electric T-shaped valve, and described electric T-shaped valve is communicated with cross valve, first water-refrigerant heat exchanger and condenser respectively; Can regulate the flow of the cold-producing medium that enters first water-refrigerant heat exchanger by triple valve, use convenient.
As improvement, the described first water-refrigerant heat exchanger and second water-refrigerant heat exchanger is double-tube heat exchanger.
As improvement, described throttling arrangement is an expansion valve, and like this, restriction effect is better.
Description of drawings:
Accompanying drawing is the structural representation of DC frequency converting air-conditioner of the present utility model.
Shown in the figure: 1, DC frequency-changeable compressor, 2, gs-oil separator, 3, cross valve, 4, condenser, 5, reservoir, 6, stop valve I, 7, external gas-liquid separator, 8, the oil return capillary, 9, indoor expansion valve, 10, indoor set, 11, gas-liquid separator I, 12, heat expansion valve, 13, first water-refrigerant heat exchanger, 14, first boiler, 15, water pump, 16, electric T-shaped valve, 17, check valve I, 18, shower nozzle, 19, stop valve II, 20, the unloading magnetic valve, 21, the liquid bypass solenoid valve, 22, invariable frequency compressor, 23, second water-refrigerant heat exchanger, 24, throttling arrangement, 25, evaporimeter, 26, gas-liquid separator II, 27, condenser coil, 28, second boiler, 29, electric expansion valve, 30, water knockout drum, 31, the radiant heat water pipe, 32, water collector, 33, water filter, 34, check valve II, 35, check valve III, 36, check valve IV, 37, check valve V, 38, auxiliary cross valve.
The specific embodiment:
The utility model is described in further detail below in conjunction with the drawings and specific embodiments:
DC frequency converting air-conditioner of the present utility model is made up of the DC frequency-changeable compressor 1 that has gas-liquid separator I 11, gs-oil separator 2, cross valve 3, condenser 4, reservoir 5, stop valve I 6, external gas-liquid separator 7, oil return capillary 8, indoor expansion valve 9, a plurality of indoor set 10 and connecting pipe; The exhaust end of described DC frequency-changeable compressor 1 is communicated with the inlet end of gs-oil separator 2, and the oil revolving end of gs-oil separator 2 is communicated with through the gas-liquid separator I 11 that oil return capillary 8 and compressor 1 carry, and the outlet side of gs-oil separator 2 is connected with cross valve 3; Other three ends of described cross valve 3 are connected with external gas-liquid separator 7, condenser 4, indoor set 10 respectively, described external gas-liquid separator 7 is connected with gas-liquid separator I 11, described condenser 4 is connected with indoor set 10 through reservoir 5, indoor expansion valve 9 successively, and described reservoir 5 is connected with external gas-liquid separator 7 through capillary; Be connected with between described condenser 4 and the reservoir 5 and heat expansion valve 12.
Described DC frequency converting air-conditioner also comprises heat reclamation device, described heat reclamation device comprises first water-refrigerant heat exchanger 13, first boiler 14 and water pump 15, described first water-refrigerant heat exchanger 13 two ends that are communicated with at condenser 4 in parallel, the water inlet of first water-refrigerant heat exchanger 13 and delivery port are communicated with first boiler 14, and described water pump 15 is arranged on the connecting pipe between the first water-refrigerant heat exchanger 13 and first boiler 14; Described first water-refrigerant heat exchanger 13 is provided with the refrigerant flow control valve near the connecting pipe of cross valve 3 ends.
Described DC frequency converting air-conditioner also comprises Teat pump boiler, described Teat pump boiler comprises invariable frequency compressor 22, second water-refrigerant heat exchanger 23, throttling arrangement 24, evaporimeter 25 and gas-liquid separator II 26, the exhaust end of described invariable frequency compressor 22 is communicated with second water-refrigerant heat exchanger 23, described second water-refrigerant heat exchanger 23 is communicated with evaporimeter 25 through throttling arrangement 24, and described evaporimeter 25 is connected with the air return end of invariable frequency compressor 22 through gas-liquid separator II 26; One end of described second water-refrigerant heat exchanger 23 is connected in series with first water-refrigerant heat exchanger 13, and the other end is communicated with first boiler 14.
The multi-joint machine multifunctional air-conditioning of described DC frequency-changing also comprises floor heat radiation heating plant, described floor heat radiation heating plant comprises condenser coil 27, second boiler 28 and hot water radiation cycle device, described condenser coil 27 is connected in parallel with a plurality of indoor sets, condenser coil 27 is positioned at second boiler 28, and described second boiler 28 is communicated with hot water radiation cycle device.
Described DC frequency-changing multi-functional air conditioner also comprises an auxiliary cross valve 38 and a plurality of check valves that are installed on the connecting pipe, described auxiliary cross valve 38 1 ends are communicated with first water-refrigerant heat exchanger 13, and be communicated with cross valve 3 through check valve II 34 simultaneously, one end is communicated with condenser 4, one end is connected with check valve III35, described check valve III35 and check valve II34 are connected in the same end of cross valve 3 in parallel, and an end is communicated with indoor expansion valve 9; Be connected with check valve IV36 between cross valve 3 and indoor expansion valve 9, check valve V 37 1 ends are connected between check valve II 34 and the auxiliary cross valve 38, and the other end is connected between cross valve 3 and the check valve IV36.
Described hot water radiation cycle device comprises water pump, water knockout drum 30, radiant heat water pipe 31 and water collector 32, the delivery port of second boiler 28 is connected with water pump, described water pump is communicated with water knockout drum 30, water knockout drum 30 is arranged on radiant heat water pipe 31 water inlet places, and water collector 32 is located at the exit of radiant heat water pipe and is communicated with second boiler 28.
Described refrigerant flow control valve is an electric T-shaped valve 16, and described electric T-shaped valve 16 is communicated with cross valve 3, first water-refrigerant heat exchanger 13 and condenser 4 respectively.
The described first water-refrigerant heat exchanger 13 and second water-refrigerant heat exchanger 23 is double-tube heat exchanger.
Described throttling arrangement 24 is an expansion valve.
The delivery port of described first boiler 14 is connected with shower nozzle 18, like this, can utilize the hot water in first boiler 14 to have a bath.
Be provided with the check valve I 17 in parallel between described condenser 4 and the reservoir 5 with heating expansion valve 12, like this, when air conditioner refrigerating, heating expansion valve has not needed throttling action, cold-producing medium just from condenser and through check valve to reservoir, the conducting direction of check valve is that condenser is to the reservoir direction; When air-conditioning heats, heat expansion valve and play throttling action, cold-producing medium is entered by reservoir and heats expansion valve (this moment, the direction of cold-producing medium was the direction that check valve ends), increases the control that check valve I more helps throttling.
Systemic circulation when DC frequency-changing multi-functional air conditioner refrigeration mode operation of the present utility model and recuperation of heat is: compressor 1 is according to indoor set 10 required capacity adjustment running frequencies, exhaust and compressor enter gs-oil separator 2 to oil mixture and carry out Oil-gas Separation, isolated lubricating oil enters DC frequency-changeable compressor 1 air return end by oil return capillary 8, remaining lubricating oil is with exhaust process cross valve 3 and check valve II 34, cold-producing medium is regulated flow after auxiliary cross valve 38 enters condenser 4 and first water-refrigerant heat exchanger 13 by electric T-shaped valve 16, the water in first boiler is heated in the high pressure, high temperature refrigerant heat release that enters first water-refrigerant heat exchanger 13, carry out waste heat recovery, the cold-producing medium of HTHP and oil mixture be condensation and cold excessively in condenser, condensate liquid passes through check valve I 17 and heats expansion valve 12 and enters in the reservoir 9, condensate liquid enters the indoor set 10 that needs operation, produce the low-pressure low-temperature cold-producing medium by indoor expansion valve 9 throttlings, by the heat exchange between cold-producing medium and the room air, indoor environment temperature is adjusted to design temperature, the cold-producing medium that evaporates in indoor machine evaporation enters external gas-liquid separator 7 through check valve IV and cross valve 3, returns the muffler that compressor carries gas-liquid separator 11 and compressor 1.The cold-producing medium of getting back to the DC frequency-changeable compressor air return end carries out compressor in compressor, discharge compressor again, carries out next circulation.
When summer, cooling condition moved, when heat reclamation device can't make water in first boiler 14 reach the demand temperature, then opening Teat pump boiler heats the water in first boiler 14 simultaneously, the operation principle of heat reclamation device is narration in the above, here just do not add and give unnecessary details, this moment, the invariable frequency compressor 22 of Teat pump boiler was opened, the cold-producing medium of HTHP enters second water-refrigerant heat exchanger 23, water in first boiler circulates in first water-refrigerant heat exchanger 13 and second water-refrigerant heat exchanger 23 through water pump, the cold-producing medium heat exchange is after throttling arrangement 24 throttlings, become low-temperature low-pressure refrigerant and enter evaporimeter 25, get back to the air return end of invariable frequency compressor again through gas-liquid separator II.
When winter heating, heat reclamation device can't use, also needing to open Teat pump boiler heats first boiler, thereby make the water in first boiler satisfy the requirement of using, the utility model is not subjected to the influence of operating condition, water in first boiler can both be heated to the demand water temperature, heat reclamation device is played good supplementary function.
Systemic circulation when DC frequency-changing multi-functional air conditioner heating mode operation of the present utility model and recuperation of heat is: during the heating mode operation, cross valve 3 gets electric commutation, compressor 1 is according to indoor set 10 required capacity adjustment running frequencies, exhaust and compressor enter gs-oil separator 2 to oil mixture and carry out Oil-gas Separation, isolated lubricating oil enters DC frequency-changeable compressor 1 air return end by oil return capillary 8, remaining lubricating oil commutates by cross valve 3 with exhaust, through check valve V, after utilizing electric T-shaped valve 16 to regulate flow, part high-temperature high-pressure refrigerant enters the indoor set 10 that needs operation after commutating by auxiliary cross valve 38, regulate the refrigerant flow that enters each indoor set by indoor expansion valve 9, by the heat exchange between cold-producing medium and the room air, indoor environment temperature is adjusted to design temperature, and the condensate liquid of condensation compiles and enters in the reservoir 9 in indoor set; Another part high-temperature high-pressure refrigerant enters first water-refrigerant heat exchanger 23, and discharges condensation heat to heat the water in first boiler, carries out waste heat recovery, and condensed cold-producing medium also enters in the reservoir 9.Condensate liquid becomes the cold-producing medium of low-temp low-pressure by heating expansion valve 12 throttlings in the reservoir 9, cold-producing medium carries out evaporation and heat-exchange in condenser 4, cold-producing medium after the evaporation is by auxiliary cross valve 38 commutations, enter external gas-liquid separator 7 through check valve III35 and cross valve 3 commutations, return compressor and carry gas-liquid separator 11 and compressor 1 muffler.The cold-producing medium of getting back to the DC frequency-changeable compressor air return end carries out compressor in compressor, discharge compressor again, carries out next circulation.
During the heating mode operation, the operation of floor heat radiation heating plant, cross valve 3 gets electric commutation, magnetic valve 29 must be established by cable and open, compressor 1 is according to indoor set 10 required capacity adjustment running frequencies, exhaust and compressor enter gs-oil separator 2 to oil mixture and carry out Oil-gas Separation, isolated lubricating oil enters DC frequency-changeable compressor 1 air return end by oil return capillary 8, remaining lubricating oil enters condenser coil 13 condensation heat releases in second boiler 28 with exhaust by cross valve 3, heat water in second boiler 28 to the temperature that requires, condensed cold-producing medium enters in the reservoir 5, condensate liquid becomes the cold-producing medium of low-temp low-pressure to enter to carry out evaporation and heat-exchange in the condenser 4 by heating expansion valve 12 throttlings, cold-producing medium after the evaporation enters external gas-liquid separator 7 by cross valve 3, return compressor 1 and carry gas-liquid separator 11 and compressor 1 muffler, the cold-producing medium of getting back to the DC frequency-changeable compressor air return end carries out compressor in compressor, discharge compressor again, carries out next circulation.This moment, indoor set 10 was also opened operate as normal; The water of second boiler drives through water pump and enters radiant heat water pipe 31, and radiant heat water pipe 31 arrives ground with the heat radiation of hot water, thereby has improved temperature near the ground, helps foot's heating.
Claims (6)
1. DC frequency-changing multi-functional air conditioner, comprise DC frequency-changeable compressor (1), gs-oil separator (2), cross valve (3), condenser (4), external gas-liquid separator (7) and many groups indoor expansion valve (9) and indoor set (10) in parallel, it is characterized in that: described DC frequency converting air-conditioner also comprises heat reclamation device, Teat pump boiler and floor heat radiation heating plant;
Described heat reclamation device comprises first water-refrigerant heat exchanger (13), first boiler (14) and water pump (15), described first water-refrigerant heat exchanger (13) two ends that are communicated with in condenser (4) in parallel, the water inlet of first water-refrigerant heat exchanger (13) and delivery port are communicated with first boiler (14), and described water pump (15) is arranged on the connecting pipe between first water-refrigerant heat exchanger (13) and first boiler (14); Described first water-refrigerant heat exchanger (13) is provided with the refrigerant flow control valve near the connecting pipe of cross valve end;
Described Teat pump boiler comprises invariable frequency compressor (22), second water-refrigerant heat exchanger (23), throttling arrangement (24), evaporimeter (25) and gas-liquid separator II (26), the exhaust end of described invariable frequency compressor (22) is communicated with second water-refrigerant heat exchanger (23), described second water-refrigerant heat exchanger (23) is communicated with evaporimeter (25) through throttling arrangement (24), and described evaporimeter (25) is connected with the air return end of invariable frequency compressor (22) through gas-liquid separator II (26); One end of described second water-refrigerant heat exchanger (23) is connected in series with first water-refrigerant heat exchanger (13), and the other end is communicated with first boiler (14);
Described floor heat radiation heating plant comprises condenser coil (27), second boiler (28) and hot water radiation cycle device, described condenser coil (27) is connected in parallel with a plurality of indoor sets (10), condenser coil (27) is positioned at second boiler, the two ends of condenser coil (27) are provided with magnetic valve (29), and described second boiler (28) is communicated with hot water radiation cycle device;
Described DC frequency-changing multi-functional air conditioner also comprises an auxiliary cross valve (38) and is installed in a plurality of check valves on the connecting pipe that described auxiliary cross valve (38) is communicated with first water-refrigerant heat exchanger (13) and cross valve (3).
2. DC frequency-changing multi-functional air conditioner according to claim 1, it is characterized in that: described auxiliary cross valve (38) one ends are communicated with first water-refrigerant heat exchanger (13), and be communicated with cross valve (3) through check valve II (34) simultaneously, one end is communicated with condenser (4), one end is connected with check valve III (35), described check valve III (35) and check valve II (34) are connected in the same end of cross valve (3) in parallel, and an end is communicated with indoor expansion valve (9); Be connected with check valve IV (36) between cross valve (3) and indoor expansion valve (9), check valve V (37) one ends are connected between check valve II (34) and the auxiliary cross valve (38), and the other end is connected between cross valve (3) and the check valve IV (36).
3. DC frequency-changing multi-functional air conditioner according to claim 1, it is characterized in that: described hot water radiation cycle device comprises water pump, water knockout drum (30), radiant heat water pipe (31) and water collector (32), the delivery port of second boiler (28) is connected with water pump, described water pump is communicated with water knockout drum (30), water knockout drum (30) is arranged on radiant heat water pipe (31) water inlet place, and water collector (32) is located at the exit of radiant heat water pipe (31) and is communicated with second boiler (28).
4. DC frequency-changing multi-functional air conditioner according to claim 1, it is characterized in that: described refrigerant flow control valve is electric T-shaped valve (16), and described electric T-shaped valve (16) is communicated with cross valve (3), first water-refrigerant heat exchanger (13) and condenser (4) respectively.
5. DC frequency-changing multi-functional air conditioner according to claim 1 is characterized in that: described first water-refrigerant heat exchanger (13) and second water-refrigerant heat exchanger (23) are double-tube heat exchanger.
6. DC frequency-changing multi-functional air conditioner according to claim 1 is characterized in that: described throttling arrangement (24) is an expansion valve.
Priority Applications (1)
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CN201020525838XU CN201772677U (en) | 2010-09-08 | 2010-09-08 | Direct-current frequency-conversion multifunctional air conditioner |
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CN201020525838XU CN201772677U (en) | 2010-09-08 | 2010-09-08 | Direct-current frequency-conversion multifunctional air conditioner |
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CN201020525838XU Expired - Lifetime CN201772677U (en) | 2010-09-08 | 2010-09-08 | Direct-current frequency-conversion multifunctional air conditioner |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102135328A (en) * | 2011-04-01 | 2011-07-27 | 广东美的电器股份有限公司 | Multifunctional heat pump water heater |
CN102563866A (en) * | 2012-02-03 | 2012-07-11 | 广东纽恩泰新能源科技发展有限公司 | Commercial air-source heat pump water heating device with stepping adjustable power |
CN103062963A (en) * | 2013-02-07 | 2013-04-24 | 江苏新城新能源有限公司 | Modularized water dividing and concentrating device |
CN106403344A (en) * | 2016-10-26 | 2017-02-15 | 广东高而美制冷设备有限公司 | Multi-temperature-area regulation and control refrigeration and heat storage system and work manner |
CN106871396A (en) * | 2017-04-20 | 2017-06-20 | 林永冠 | Heat energy recovery equipment and hot water air-conditioning all-in-one |
CN110762791A (en) * | 2019-10-18 | 2020-02-07 | Tcl空调器(中山)有限公司 | Air conditioner outlet air temperature control method and system and storage medium |
CN115875762A (en) * | 2022-10-13 | 2023-03-31 | 珠海格力电器股份有限公司 | Air energy hot water air conditioner assembly and control system thereof |
-
2010
- 2010-09-08 CN CN201020525838XU patent/CN201772677U/en not_active Expired - Lifetime
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102135328A (en) * | 2011-04-01 | 2011-07-27 | 广东美的电器股份有限公司 | Multifunctional heat pump water heater |
CN102135328B (en) * | 2011-04-01 | 2012-11-07 | 广东美的电器股份有限公司 | Multifunctional heat pump water heater |
CN102563866A (en) * | 2012-02-03 | 2012-07-11 | 广东纽恩泰新能源科技发展有限公司 | Commercial air-source heat pump water heating device with stepping adjustable power |
CN103062963A (en) * | 2013-02-07 | 2013-04-24 | 江苏新城新能源有限公司 | Modularized water dividing and concentrating device |
CN106403344A (en) * | 2016-10-26 | 2017-02-15 | 广东高而美制冷设备有限公司 | Multi-temperature-area regulation and control refrigeration and heat storage system and work manner |
CN106871396A (en) * | 2017-04-20 | 2017-06-20 | 林永冠 | Heat energy recovery equipment and hot water air-conditioning all-in-one |
CN110762791A (en) * | 2019-10-18 | 2020-02-07 | Tcl空调器(中山)有限公司 | Air conditioner outlet air temperature control method and system and storage medium |
CN115875762A (en) * | 2022-10-13 | 2023-03-31 | 珠海格力电器股份有限公司 | Air energy hot water air conditioner assembly and control system thereof |
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