CN203421778U - Solution assisting energy storing home-used air conditioner - Google Patents
Solution assisting energy storing home-used air conditioner Download PDFInfo
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- CN203421778U CN203421778U CN201320538540.6U CN201320538540U CN203421778U CN 203421778 U CN203421778 U CN 203421778U CN 201320538540 U CN201320538540 U CN 201320538540U CN 203421778 U CN203421778 U CN 203421778U
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Abstract
The utility model belongs to the technical field of cooling/heating technology and frost preventing technology, in particular to a solution assisting energy storing home-used air conditioner. The solution assisting energy storing home-used air conditioner comprises a traditional indoor unit and a traditional outdoor unit, the outdoor unit comprises a solution tank, a solution heat exchanger and a reproducer, the solution tank forms a circulation loop with a sprinkler arranged outside an outdoor heat exchanger via a solution pipe, a solution pump I and a magnetic valve, cycle fluid is moisture absorbing salt solution, the sprinkler is capable of sprinkling the moisture absorbing salt solution on the surface of the outdoor heat exchanger, the solution tank is sequentially connected with the solution heat exchanger and the reproducer to form a reproducing circulation loop via the solution pipe, a solution pump II and a magnetic valve II are arranged on the solution pipe, and the cycle fluid is the moisture absorbing salt solution. When the outside temperature is low in winter, the air conditioner is in frostless operation during heating process, so that energy consumption is reduced and system performance is increased.
Description
Technical field
The utility model belongs to cooling/heating technology and frost prevention technical field, is specifically related to a kind ofly in the winter time when outdoor temperature is lower, and air-conditioning can be in frostless operation in heating process, thereby reduces energy consumption, improve the solution auxiliary energy storage type domestic air conditioner of systematic function.
Background technology
The domestic air conditioning using in the market, is heat pump type air conditioner mostly, and especially air source heat pump is in the majority.And there is a great drawback in this air-conditioning, be exactly in the winter time during heating operation, along with the reduction of outdoor temperature, evaporating temperature also reduces, and systematic function reduces.When outdoor heat exchanger surface temperature is equal to or less than 0 ℃, airborne moisture will condense and frosting at heat exchanger surface.Frost layer has increased the heat transfer resistance of outdoor heat exchanger; heat transfer coefficient reduces; and air also increases by the resistance of outdoor heat exchanger; make to reduce by the air quantity of outdoor heat exchanger; cause its caloric receptivity to reduce; the heating capacity of air-conditioning system and performance all can decline like this, occur shutting down when serious, make air-conditioning system cisco unity malfunction.
To there is following adverse effect in air-conditioner outdoor unit frosting: (1) stops up passage between fin, increase air flow resistance; (2) increase heat exchanger thermal resistance, exchange capability of heat declines; (3) defrost process is an operation of air conditioner process, not only can not heat, and also needs consumption of calorie simultaneously; (4) evaporating temperature declines, and Energy Efficiency Ratio reduces, and operation of heat pump performance worsens, until cisco unity malfunction; (5) because air-conditioner cisco unity malfunction affects indoor thermal comfort.Above-mentioned drawback has seriously hindered the further popularization of heat pump type air conditioner.
For air source heat pump air-conditioner defrosting, frost prevention aspect, there is a large amount of research both at home and abroad.Current defrosting, frost prevention technology mainly concentrate on following three aspects:
(1) changing outdoor heat exchanger ambient parameter around prevents or delays frosting.Theoretical and experimental study shows, air humidity is the most obvious on the impact of the surperficial frosting degree of finned tube evaporator and frosting rate, is secondly air themperature and flow velocity.As: can adopt solid dehumidifying agent, or at evaporator air entrance, install and use solid moisture absorbent adsorbent bed and reduce air humidity.
(2) changing machine set system flow process or evaporation structure parameter prevents or delays frosting.As: between compressor and evaporator inlet, add a bypass pipe, by the refrigerant flow inhibition evaporimeter increasing in bypass pipe, show frosting.
(3) changing evaporator surface characteristic prevents or delays frosting.As: on outdoor heat exchanger surface, add hydrophobic coating and can make water droplet more easily come off and reach the object that delays frosting.
By domestic and international air source heat pump, prevent or to delay the present Research of frosting known, owing to being subject to the restriction of technology, application conditions, efficiency, economic dispatch factor, also there is no breakthrough progress solving aspect domestic air conditioner frosting problem.
Summary of the invention
It is a kind of when outdoor heat exchanger (being evaporimeter) surface temperature is during lower than 0 ℃ that the purpose of this utility model is to provide, and to its surface spraying hygroscopic salt solution, avoids the solution auxiliary energy storage type domestic air conditioner of air-conditioning frosting problem.
The purpose of this utility model realizes by the following technical solutions: this solution auxiliary energy storage type domestic air conditioner, comprises indoor set and off-premises station; Indoor set comprises indoor heat exchanger; Off-premises station comprises outdoor heat exchanger, interconnective compressor and gas-liquid separator, cross valve connects described outdoor heat exchanger, indoor heat exchanger, compressor and gas-liquid separator, on the cold-producing medium working medium pipeline of outdoor heat exchanger and the indoor heat exchanger other end, be connected with successively main capillary, secondary capillary and filter, at pair two ends capillaceous, be parallel with check valve; Be characterized in: described off-premises station also comprises NaOH solution tank NaOH, solution heat exchanger and regenerator; Described NaOH solution tank NaOH forms a closed circuit with the spray equipment being installed on outside outdoor heat exchanger by solution line, solution pump I and magnetic valve I, cycle fluid is hygroscopic salt solution, spray equipment can be by hygroscopic salt solution spraying on outdoor heat exchanger surface, outdoor heat exchanger surface is provided with temperature sensor, and temperature sensor is connected with solution pump I and magnetic valve I and controls its action; Described NaOH solution tank NaOH also connects and composes a regeneration cycle loop with solution heat exchanger and regenerator by solution line successively, solution pump II and magnetic valve II are installed on solution line, cycle fluid is hygroscopic salt solution, concentration sensor is installed in NaOH solution tank NaOH, and concentration sensor is connected with solution pump II and magnetic valve II and controls its action; Described solution heat exchanger is parallel on the cold-producing medium working medium pipeline between described indoor heat exchanger and filter by cold-producing medium working medium pipeline, on the cold-producing medium working medium pipeline between indoor heat exchanger and filter and on the cold-producing medium working medium pipeline in parallel of solution heat exchanger, is separately installed with magnetic valve III and magnetic valve IV; Described solution heat exchanger is also parallel to compressor two ends by cold-producing medium working medium pipeline, on cold-producing medium working medium pipeline in parallel, magnetic valve V is installed.
Specifically, described spray equipment comprises housing, outdoor heat exchanger is installed in this housing, in housing on outdoor heat exchanger, spray head is installed, in housing under outdoor heat exchanger, be provided with successively splash-proof grid and solution water leg, housing bottom is connected with blow-off pipe and valve, housing bottom one side is connected by solution line with the solution entrance of described NaOH solution tank NaOH, between the solution entrance of spray head and the taphole of NaOH solution tank NaOH, by solution line, is connected with solution pump I and magnetic valve I in turn.
Specifically, described regenerator comprises housing, case top is provided with air outlet slit, air outlet slit is provided with blower fan, and the top in housing is provided with shower nozzle, and the solution entrance of shower nozzle is connected with the taphole of solution heat exchanger, in housing under shower nozzle, be provided with filler, under filler, be provided with air intake, housing bottom is provided with taphole, and this taphole is connected with the solution entrance of NaOH solution tank NaOH.
Air-conditioner of the present utility model reaches or during lower than 0 ℃ when outdoor temperature, spray equipment starts to outdoor heat exchanger surface spraying hygroscopic salt solution, air directly contacts concurrent calorifacient exchange with solution, avoided the appearance of frosting problem, not only from outdoor environment, absorbed sensible heat and the latent heat in surrounding air, improved system heating capacity, and system is without defrosting, continuously-running.Solution absorbs after airborne moisture, concentration can decrease, need to regenerate and could keep its concentration within the scope of needs solution, and the regeneration of solution is the part heat that has utilized the cold and hot and compressor outlet of the mistake of (being the period that outside air temperature is relatively high) condensator outlet of efficient period of air-conditioning system, solution after regeneration is stored in NaOH solution tank NaOH, and while using air-conditioning in lower poor efficiency period of temperature, can directly utilize the solution that has completed regeneration in NaOH solution tank NaOH to spray outdoor heat exchanger surface, thereby reduced the whole year operation energy consumption of air-conditioner, improved air-conditioning average efficiency.
The utility model has following beneficial effect compared with prior art:
(1) existing Defrost technology has the shortcomings such as poor stability, efficiency be low and defrosting process need lot of energy.The utility model utilizes to outdoor heat exchanger surface spraying hygroscopic salt solution, avoids the appearance of frosting problem, energy continuous service when assurance air-conditioning heats in the winter time, and safety coefficient is higher, and indoor thermal comfort is greatly improved.
(2) the utility model utilizes solution and cold-producing medium, outdoor air to carry out caloic exchange, utilizes the cold and hot regeneration that realizes solution, has improved the performance of system when having reduced whole year operation energy consumption, and the average efficiency of air-conditioning system also increases.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment and the solution schematic flow sheet under winter heating's operating mode.
Fig. 2 is cold-producing medium schematic flow sheet during regeneration of waste liquor under the structural representation of the utility model embodiment and winter heating's operating mode.
Fig. 3 is cold-producing medium schematic flow sheet when solution does not need to regenerate under the structural representation of the utility model embodiment and winter heating's operating mode.
Fig. 4 is the structural representation of the utility model embodiment and the cold-producing medium schematic flow sheet under summer cooling condition.
Fig. 5 is structural representation and the solution schematic flow sheet of the spray equipment of the utility model embodiment.
Fig. 6 is structural representation and the workflow schematic diagram of the regenerator of the utility model embodiment.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, the solution auxiliary energy storage type domestic air conditioner of the present embodiment comprises indoor set and off-premises station.Indoor set comprises indoor heat exchanger 6; Off-premises station comprises outdoor heat exchanger 1, interconnective compressor 8 and gas-liquid separator 9, cross valve 7 junction chamber external heat exchangers 1, indoor heat exchanger 6, compressor 8 and gas-liquid separator 9, on the cold-producing medium working medium pipeline of outdoor heat exchanger 1 and indoor heat exchanger 6 other ends, be connected with successively main capillary 2, secondary capillary 3 and filter 5, at the two ends of secondary capillary 3, be parallel with check valve 5.Above part is prior art, and in summer, indoor heat exchanger 6 is evaporimeter, and outdoor heat exchanger 1 is condenser; In the winter time, by the conversion of cross valve 7, indoor heat exchanger 6 is condenser, and outdoor heat exchanger 1 is evaporimeter.
From Fig. 1, Fig. 2, Fig. 3, Fig. 4, off-premises station also comprises NaOH solution tank NaOH 14, solution heat exchanger 10 and regenerator 11.NaOH solution tank NaOH 14 forms a closed circuit with the spray equipment (not shown in FIG.) being installed on outside outdoor heat exchanger 1 by solution line, solution pump I 12 and magnetic valve I 13, cycle fluid is hygroscopic salt solution, spray equipment can be by hygroscopic salt solution spraying on outdoor heat exchanger surface, outdoor heat exchanger surface is provided with temperature sensor (not shown in FIG.), and temperature sensor is connected with solution pump I 12 and magnetic valve I 13 and controls its action.Referring to Fig. 5, spray equipment comprises housing 20, outdoor heat exchanger 1 is installed in housing 20, in housing 20 on outdoor heat exchanger 1, spray head 21 is installed, in housing 20 under outdoor heat exchanger 1, be provided with successively splash-proof grid 22 and solution water leg 23, housing 20 bottoms are connected with blow-off pipe 24 and valve 25, housing 20 right sides, bottom are connected by solution line with the solution entrance of NaOH solution tank NaOH 14, between the solution entrance of spray head 21 and the taphole of NaOH solution tank NaOH 14, by solution line, are connected with solution pump I 12 and magnetic valve I 13 in turn.
From Fig. 1, Fig. 2, Fig. 3, Fig. 4, NaOH solution tank NaOH 14 also connects and composes a regeneration cycle loop with solution heat exchanger 10 and regenerator 11 by solution line successively, solution pump II 15 and magnetic valve II 16 are installed on solution line, cycle fluid is hygroscopic salt solution, concentration sensor (not shown in FIG.) is installed in NaOH solution tank NaOH 14, and concentration sensor is connected with solution pump II 15 and magnetic valve II 16 and controls its action.Referring to Fig. 6, regenerator 11 comprises housing 1101, housing 1101 tops are provided with air outlet slit, air outlet slit is provided with blower fan 1102, and the top in housing 1101 is provided with shower nozzle 1103, and the solution entrance of shower nozzle 1103 is connected with the taphole of solution heat exchanger 10, in housing 1101 under shower nozzle 1103, be provided with filler 1104, under filler 1104, be provided with air intake 1105, housing 1101 bottoms are provided with taphole 1106, and taphole 1106 is connected with the solution entrance of NaOH solution tank NaOH 14.
From Fig. 1, Fig. 2, Fig. 3, Fig. 4, solution heat exchanger 10 is parallel on the cold-producing medium working medium pipeline between indoor heat exchanger 6 and filter 5 by cold-producing medium working medium pipeline, on the cold-producing medium working medium pipeline between indoor heat exchanger 6 and filter 5 and on the cold-producing medium working medium pipeline in parallel of solution heat exchanger 10, is separately installed with magnetic valve III 19 and magnetic valve IV 18; Solution heat exchanger 10 is also parallel to compressor 8 two ends by cold-producing medium working medium pipeline, on cold-producing medium working medium pipeline in parallel, magnetic valve V 17 is installed.
Operation principle and the process of the utility model embodiment are as follows:
The gaseous refrigerant of the HTHP in compressor 8 exits is divided into two-way during heating operation in the winter time: the cross valve 7 of leading up to is connected with indoor heat exchanger 6; Another road is by solution heat exchanger 10, carry out after heat exchange with low temperature weak solution, come back to compressor 8, it is that the low pressure refrigerant of outdoor heat exchanger 1 mixes with carrying out flash-pot that the cold-producing medium that this part pressure is higher enters compressor 8, by compressor 8, improved pressure and temperature again, can reduce the pressure ratio of compressor 8 like this, reduce the energy consumption of compressor 8, and can widen the operating condition scope of air source heat pump system.
The cold-producing medium of indoor heat exchanger 6 outlet is also divided into two-way: during heating operation, as regenerated to solution, magnetic valve IV 18 is opened in the winter time, magnetic valve III 19 is closed, cold-producing medium enters solution heat exchanger 10, and after solution generation heat exchange, enters drier 5 ports, as shown by the arrows in Figure 2, when solution does not need to regenerate, magnetic valve IV 18 is closed, and magnetic valve III 19 is opened, the cold-producing medium of indoor heat exchanger 6 outlets directly enters drier 5, through main capillary 2, secondary capillary 3, enter outdoor heat exchanger 1, complete and heat circulation, as shown by the arrows in Figure 3, in summer during refrigerating operaton, the running status of air-conditioning is identical with traditional air-conditioning, as shown by the arrows in Figure 4, compressor 8 is evaporimeter from indoor heat exchanger 6() suck the refrigerant vapour of low-temp low-pressure, be compressed into the gas of HTHP, entering outdoor heat exchanger 1(is condenser), make cold-producing medium be condensed into therein the liquid of normal temperature high voltage, high pressure liquid refrigerant is after main capillary 2 reducing pressure by regulating flows, become low-temp low-pressure liquid, through check valve 4, enter evaporimeter, the heat of vaporization that absorbs room air in evaporimeter becomes the steam of low-temp low-pressure, and then sucked by compressor 8, repeat above-mentioned kind of refrigeration cycle, in this process, magnetic valve I 13, magnetic valve II 16, magnetic valve V 17, magnetic valve IV 18 is all closed, magnetic valve III 19 is opened.
Referring to Fig. 1, under heating condition, the spray equipment of outdoor heat exchanger 1 outside is connected successively with NaOH solution tank NaOH 14, magnetic valve I 13, solution pump I 12, forms a closed circuit in the winter time, and cycle fluid is hygroscopic salt solution.When outdoor temperature reaches or during lower than 0 ℃, magnetic valve I 13 is opened, solution pump I 12 is opened, concentrated solution in NaOH solution tank NaOH 14 is passed through the spray head 21 of spray equipment at outdoor heat exchanger 1 surface spraying, air directly contacts with solution and carries out caloic exchange, solution concentration reduces, and becomes low temperature weak solution and gets back in NaOH solution tank NaOH 14, continues circulation next time with original solution after mixing.When outdoor heat exchanger 1 surface temperature is during higher than 0 ℃, magnetic valve I 13 is closed, and now solution circulation does not move.
Referring to Fig. 1, Fig. 2, under heating condition, NaOH solution tank NaOH 14 is connected successively with solution pump II 15, magnetic valve II 16, solution heat exchanger 10, regenerator 11, forms a regeneration cycle loop in the winter time, and cycle fluid is hygroscopic salt solution.Magnetic valve II 16 is opened, low temperature weak solution in NaOH solution tank NaOH 14 enters solution heat exchanger 10 through solution pump II 15, now, magnetic valve IV 18 is opened, magnetic valve III 19 is closed, low temperature weak solution and condenser are that the normal temperature high voltage cold-producing medium in indoor heat exchanger 6 exits carries out heat exchange, and solution temperature gets a promotion.Cold-producing medium enters drier 5 after becoming supercooled liquid, through main capillary 2, secondary capillary 3 and outdoor heat exchanger 1, becomes after the refrigerant vapour of low-temp low-pressure, gets back to again compressor 8, has continued the next one and has heated circulation.After the solution temperature at the taphole place of solution heat exchanger 10 gets a promotion, continue to enter regenerator 11, spray is on filler 1104, filler 1104 can increase the contact area of air and solution, surrounding air enters from the bottom of regenerator 11, from top, discharges, and solution and air carry out caloic exchange, moisture evaporation in solution, during evaporation, need the heat in absorbent solution, i.e. the latent heat of vaporization, therefore solution concentration raises, temperature reduces, and becomes concentrated solution and gets back in NaOH solution tank NaOH 14.When indoor heat exchanger 6(is condenser) the cold and hot regeneration demand that cannot meet solution of mistake time, magnetic valve V 17 is opened, and utilizes the heat assisted Regeneration of the part high temperature refrigerant in compressor 8 exits.
In the closed circuit that spray equipment and NaOH solution tank NaOH 14, magnetic valve I 13, the solution pump I 12 of above-mentioned outdoor heat exchanger 1 outside connects and composes successively, continuous circulation along with solution, solution concentration in NaOH solution tank NaOH 14 is more and more lower, for preventing that solution from freezing, solution in NaOH solution tank NaOH has a minimum solution concentration, when the solution concentration in NaOH solution tank NaOH 14 approaches the icing concentration of solution corresponding to environment temperature, solution is by automatic regeneration.Along with constantly carrying out of regeneration, solution concentration is more and more higher, for preventing solution crystallization, solution has a solution concentration the highest, when solution concentration approaches the crystallization concentration of solution corresponding to environment temperature, solution will stop regeneration, now, magnetic valve II 16, magnetic valve V 17, magnetic valve IV 18 are all closed, and magnetic valve III 19 is opened.
Owing to using air-conditioning in the winter time, outdoor temperature is lower, and when outdoor temperature is lower, the efficiency of air-conditioning is also lower, therefore when outdoor temperature is very low, should not regenerate to solution, can affect the heating effect of air-conditioning, reduces air-conditioning service efficiency.In the utility model, the efficient period (being the period that outside air temperature is relatively high) that can be chosen in operation of air conditioner regenerates to solution, be stored in NaOH solution tank NaOH 14, and while using air-conditioning in lower poor efficiency period of temperature, can directly use the solution in NaOH solution tank NaOH 14 to spray, do not need to regenerate, can greatly improve the average efficiency of air-conditioning like this, and reduce whole year operation energy consumption.
Claims (3)
1. a solution auxiliary energy storage type domestic air conditioner, comprises indoor set and off-premises station; Indoor set comprises indoor heat exchanger; Off-premises station comprises outdoor heat exchanger, interconnective compressor and gas-liquid separator, cross valve connects described outdoor heat exchanger, indoor heat exchanger, compressor and gas-liquid separator, on the cold-producing medium working medium pipeline of outdoor heat exchanger and the indoor heat exchanger other end, be connected with successively main capillary, secondary capillary and filter, at pair two ends capillaceous, be parallel with check valve; It is characterized in that: described off-premises station also comprises NaOH solution tank NaOH, solution heat exchanger and regenerator; Described NaOH solution tank NaOH forms a closed circuit with the spray equipment being installed on outside outdoor heat exchanger by solution line, solution pump I and magnetic valve I, cycle fluid is hygroscopic salt solution, spray equipment can be by hygroscopic salt solution spraying on outdoor heat exchanger surface, outdoor heat exchanger surface is provided with temperature sensor, and temperature sensor is connected with solution pump I and magnetic valve I and controls its action; Described NaOH solution tank NaOH also connects and composes a regeneration cycle loop with solution heat exchanger and regenerator by solution line successively, solution pump II and magnetic valve II are installed on solution line, cycle fluid is hygroscopic salt solution, concentration sensor is installed in NaOH solution tank NaOH, and concentration sensor is connected with solution pump II and magnetic valve II and controls its action; Described solution heat exchanger is parallel on the cold-producing medium working medium pipeline between described indoor heat exchanger and filter by cold-producing medium working medium pipeline, on the cold-producing medium working medium pipeline between indoor heat exchanger and filter and on the cold-producing medium working medium pipeline in parallel of solution heat exchanger, is separately installed with magnetic valve III and magnetic valve IV; Described solution heat exchanger is also parallel to compressor two ends by cold-producing medium working medium pipeline, on cold-producing medium working medium pipeline in parallel, magnetic valve V is installed.
2. solution auxiliary energy storage type domestic air conditioner according to claim 1, it is characterized in that: described spray equipment comprises housing, outdoor heat exchanger is installed in this housing, in housing on outdoor heat exchanger, spray head is installed, in housing under outdoor heat exchanger, be provided with successively splash-proof grid and solution water leg, housing bottom is connected with blow-off pipe and valve, housing bottom one side is connected by solution line with the solution entrance of described NaOH solution tank NaOH, between the solution entrance of spray head and the taphole of NaOH solution tank NaOH, by solution line, be connected with solution pump I and magnetic valve I in turn.
3. solution auxiliary energy storage type domestic air conditioner according to claim 1 and 2, it is characterized in that: described regenerator comprises housing, case top is provided with air outlet slit, air outlet slit is provided with blower fan, and the top in housing is provided with shower nozzle, and the solution entrance of shower nozzle is connected with the taphole of solution heat exchanger, in housing under shower nozzle, be provided with filler, under filler, be provided with air intake, housing bottom is provided with taphole, and this taphole is connected with the solution entrance of NaOH solution tank NaOH.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320538540.6U CN203421778U (en) | 2013-08-31 | 2013-08-31 | Solution assisting energy storing home-used air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320538540.6U CN203421778U (en) | 2013-08-31 | 2013-08-31 | Solution assisting energy storing home-used air conditioner |
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| Publication Number | Publication Date |
|---|---|
| CN203421778U true CN203421778U (en) | 2014-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320538540.6U Withdrawn - After Issue CN203421778U (en) | 2013-08-31 | 2013-08-31 | Solution assisting energy storing home-used air conditioner |
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| CN (1) | CN203421778U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103423815A (en) * | 2013-08-31 | 2013-12-04 | 湖南科技大学 | Solution-assistant energy-storage domestic air conditioner |
| CN109114689A (en) * | 2018-09-27 | 2019-01-01 | 奥克斯空调股份有限公司 | A kind of heat pump united air-conditioning system and air conditioner |
-
2013
- 2013-08-31 CN CN201320538540.6U patent/CN203421778U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103423815A (en) * | 2013-08-31 | 2013-12-04 | 湖南科技大学 | Solution-assistant energy-storage domestic air conditioner |
| CN103423815B (en) * | 2013-08-31 | 2015-07-29 | 湖南科技大学 | A kind of Solution-assistant energy-storage domestic air conditioner |
| CN109114689A (en) * | 2018-09-27 | 2019-01-01 | 奥克斯空调股份有限公司 | A kind of heat pump united air-conditioning system and air conditioner |
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| C14 | Grant of patent or utility model | ||
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| AV01 | Patent right actively abandoned |
Granted publication date: 20140205 Effective date of abandoning: 20150729 |
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| RGAV | Abandon patent right to avoid regrant |