CN201819476U - Direct-current frequency conversion air-conditioner with waste heat recovery device - Google Patents
Direct-current frequency conversion air-conditioner with waste heat recovery device Download PDFInfo
- Publication number
- CN201819476U CN201819476U CN2010205160080U CN201020516008U CN201819476U CN 201819476 U CN201819476 U CN 201819476U CN 2010205160080 U CN2010205160080 U CN 2010205160080U CN 201020516008 U CN201020516008 U CN 201020516008U CN 201819476 U CN201819476 U CN 201819476U
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- Prior art keywords
- water
- heat exchanger
- refrigerant heat
- boiler
- conditioner
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- 238000011084 recovery Methods 0.000 title claims abstract description 16
- 239000002918 waste heat Substances 0.000 title claims abstract description 13
- 238000006243 chemical reaction Methods 0.000 title abstract 4
- 239000003507 refrigerant Substances 0.000 claims abstract description 62
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000007788 liquid Substances 0.000 claims abstract description 26
- 239000007789 gas Substances 0.000 abstract description 2
- 238000005057 refrigeration Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 14
- 238000010438 heat treatment Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 238000004378 air conditioning Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
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- Other Air-Conditioning Systems (AREA)
Abstract
The utility model discloses a direct-current frequency conversion air-conditioner with a waste heat recovery device, which comprises a direct-current frequency conversion compressor (1), an oil-gas separator (2), a four-way valve (3), a condenser (4), an external gas-liquid separator (7), multiple groups of indoor expansion valves (9) and indoor units (10) which are in parallel connection, a heat recovery device and a heat pump water heater, the heat recovery device comprises a first water-refrigerant heat exchanger (13), a hot water cylinder (14) and a water pump (15), and the heat pump water heater comprises a fixed frequency compressor (22), a second water-refrigerant heat exchanger (23), a throttling device (24), an evaporator (25) and a gas-liquid separator II (26). The direct-current frequency conversion air-conditioner is not affected by operation conditions, can heat water in the hot water cylinder to required water temperature, realizes heat recovery when in refrigeration in summer (the heat pump water heater has an auxiliary function), and adopts the heat pump water heater to heat the hot water cylinder of the heat recovery device in winter.
Description
Technical field:
The utility model relates to air-conditioning technical field, specifically is a kind of DC frequency converting air-conditioner that has waste-heat recovery device.
Background technology:
The DC frequency-changing multi-gang air-conditioner 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.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.
The utility model content:
The technical problems to be solved in the utility model provides when freezing a kind of summer and carries out recuperation of heat, utilizes the DC frequency converting air-conditioner that have waste-heat recovery device of Teat pump boiler to the boiler heating of heat reclamation device winter.
Technical solution of the present utility model is, the DC frequency converting air-conditioner that has waste-heat recovery device 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 and Teat pump boiler; Described heat reclamation device comprises first water-refrigerant heat exchanger, boiler and water pump, described first water-refrigerant heat exchanger two ends that are communicated with at condenser in parallel, the water inlet of first water-refrigerant heat exchanger and delivery port are communicated with boiler, and described water pump is arranged on the connecting pipe between first water-refrigerant heat exchanger and the 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, 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; 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 boiler.
Adopt after the above structure compared with prior art, the utlity model has following advantage: adopt the utility model structure, increased Teat pump boiler, when summer, cooling condition moved, heat reclamation device can make the water in the boiler reach the demand temperature, does not just need to open Teat pump boiler; When heat reclamation device can't make water in the boiler reach the demand temperature, then open Teat pump boiler and simultaneously the water in the boiler is heated; When winter heating, heat reclamation device can't use, also needing to open Teat pump boiler heats boiler, thereby make the water in the boiler satisfy the requirement of using, the utility model is not subjected to the influence of operating condition, water in the boiler can both be heated to the demand water temperature, heat reclamation device is played good supplementary function.
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 that has the DC frequency converting air-conditioner of waste-heat recovery device 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, boiler, 15, water pump, 16, electric T-shaped valve, 17, check valve, 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.
The specific embodiment:
The utility model is described in further detail below in conjunction with the drawings and specific embodiments:
The DC frequency converting air-conditioner that has waste-heat recovery device 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, 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 boiler 14, and described water pump 15 is arranged on the connecting pipe between first water-refrigerant heat exchanger 13 and the 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 boiler 14.
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 boiler 14 is connected with shower nozzle 18, like this, can utilize the hot water in the boiler 14 to have a bath.
Be provided with the check valve 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 more helps throttling.
Operation principle of the present utility model: when the utility model moved under the cooling condition in summer, heat reclamation device can make the water in the boiler reach the demand temperature, just do not need to open Teat pump boiler, this moment, DC frequency-changeable compressor 1 was according to indoor set 10 required capacity adjustment running frequencies, the compressor air-discharging and the oil mixture of running quickly enter gs-oil separator 2 and carry out Oil-gas Separation, isolated lubricating oil enters the air return end of DC frequency-changeable compressor 1 by oil return capillary 8, remaining lubricating oil is regulated the flow of the cold-producing medium that enters condenser 4 and first water-refrigerant heat exchanger 13 by electric T-shaped valve 16 with exhaust, enter the high pressure, high temperature refrigerant heat release of first water-refrigerant heat exchanger 13 and the water in the boiler 14 is heated the back and forth circulation in first water-refrigerant heat exchanger 13 of water in the water pump drive boiler 14; Cold-producing medium in first water-refrigerant heat exchanger 13 after the heat exchange converges with the cold-producing medium that enters condenser 4 and discharge through condensation, together by check valve 17 with heat expansion valve (this moment, expansion valve can't afford to drive throttling action entirely), enter high pressure reservoir 5 again, condensate liquid enters the indoor set 10 that needs operation through distribution, produce low-temperature low-pressure refrigerant and carry out heat exchange by indoor expansion valve 9 throttlings with room air, cold-producing medium enters external gas-liquid separator 7 by cross valve 3 afterwards, return compressor and carry gas-liquid separator I 11 and compressor 1 air return end, and so forth circulation.
When summer, cooling condition moved, when heat reclamation device can't make water in the boiler 14 reach the demand temperature, then opening Teat pump boiler heats the water in the 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 the 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 boiler, thereby make the water in the boiler satisfy the requirement of using, the utility model is not subjected to the influence of operating condition, water in the boiler can both be heated to the demand water temperature, heat reclamation device is played good supplementary function.
Claims (4)
1. DC frequency converting air-conditioner that has waste-heat recovery device, 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 and Teat pump boiler, described heat reclamation device comprises first water-refrigerant heat exchanger (13), 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 boiler (14), and described water pump (15) is arranged on the connecting pipe between water-refrigerant heat exchanger (13) and the boiler (14); Described water-refrigerant heat exchanger (13) is provided with the refrigerant flow control valve near the connecting pipe of cross valve (3) 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 boiler (14).
2. the DC frequency converting air-conditioner that has waste-heat recovery device 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.
3. the DC frequency converting air-conditioner that has waste-heat recovery device 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.
4. the DC frequency converting air-conditioner that has waste-heat recovery device according to claim 1 is characterized in that: described throttling arrangement (24) is an expansion valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205160080U CN201819476U (en) | 2010-08-27 | 2010-08-27 | Direct-current frequency conversion air-conditioner with waste heat recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205160080U CN201819476U (en) | 2010-08-27 | 2010-08-27 | Direct-current frequency conversion air-conditioner with waste heat recovery device |
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| Publication Number | Publication Date |
|---|---|
| CN201819476U true CN201819476U (en) | 2011-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010205160080U Expired - Lifetime CN201819476U (en) | 2010-08-27 | 2010-08-27 | Direct-current frequency conversion air-conditioner with waste heat recovery device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102226605A (en) * | 2011-06-03 | 2011-10-26 | 宁波奥克斯电气有限公司 | Air-conditioning system for preventing halt, exhaust and backflow of rotor type direct current frequency-conversion compressor |
| WO2012152199A1 (en) * | 2011-05-06 | 2012-11-15 | Rong Guohua | Air conditioning unit for heat recovery from heat pump |
| CN102788405A (en) * | 2012-08-03 | 2012-11-21 | 宁波奥克斯电气有限公司 | Start control method of fast refrigerating and fast heating for direct current variable frequency air conditioner |
| CN103913009A (en) * | 2012-12-31 | 2014-07-09 | 赵佳佳 | Refrigerating and heating air conditioner |
| CN104266417A (en) * | 2014-09-30 | 2015-01-07 | 宁波奥克斯电气有限公司 | Refrigeration operating method of multi-split air conditioner in high temperature environment |
| CN109579299A (en) * | 2018-12-21 | 2019-04-05 | 广东志高暖通设备股份有限公司 | A kind of hot water multi system and its control method |
| CN109579300A (en) * | 2018-12-21 | 2019-04-05 | 广东志高暖通设备股份有限公司 | A kind of hot water multi system and control method with the switching of more four-way valve flow paths |
| CN109878292A (en) * | 2019-04-02 | 2019-06-14 | 濮阳市飞翔汽车科技有限公司 | Caravan and its air-conditioning |
-
2010
- 2010-08-27 CN CN2010205160080U patent/CN201819476U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012152199A1 (en) * | 2011-05-06 | 2012-11-15 | Rong Guohua | Air conditioning unit for heat recovery from heat pump |
| CN102226605A (en) * | 2011-06-03 | 2011-10-26 | 宁波奥克斯电气有限公司 | Air-conditioning system for preventing halt, exhaust and backflow of rotor type direct current frequency-conversion compressor |
| CN102788405A (en) * | 2012-08-03 | 2012-11-21 | 宁波奥克斯电气有限公司 | Start control method of fast refrigerating and fast heating for direct current variable frequency air conditioner |
| CN102788405B (en) * | 2012-08-03 | 2014-07-23 | 宁波奥克斯电气有限公司 | Start control method of fast refrigerating and fast heating for direct current variable frequency air conditioner |
| CN103913009A (en) * | 2012-12-31 | 2014-07-09 | 赵佳佳 | Refrigerating and heating air conditioner |
| CN104266417A (en) * | 2014-09-30 | 2015-01-07 | 宁波奥克斯电气有限公司 | Refrigeration operating method of multi-split air conditioner in high temperature environment |
| CN109579299A (en) * | 2018-12-21 | 2019-04-05 | 广东志高暖通设备股份有限公司 | A kind of hot water multi system and its control method |
| CN109579300A (en) * | 2018-12-21 | 2019-04-05 | 广东志高暖通设备股份有限公司 | A kind of hot water multi system and control method with the switching of more four-way valve flow paths |
| CN109878292A (en) * | 2019-04-02 | 2019-06-14 | 濮阳市飞翔汽车科技有限公司 | Caravan and its air-conditioning |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 315191 Zhejiang city of Ningbo province Jiangshan town Yinzhou District Mingguang Road No. 1166 Patentee after: NINGBO AUX ELECTRIC CO., LTD. Address before: 315191 Zhejiang city of Ningbo province Jiangshan town Yinzhou District Mingguang Road No. 1166 Patentee before: Ningbo AUX Electric Co., Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20110504 |
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| CX01 | Expiry of patent term |