CN103542755B - Air conditioner and heat accumulator thereof - Google Patents
Air conditioner and heat accumulator thereof Download PDFInfo
- Publication number
- CN103542755B CN103542755B CN201210242180.5A CN201210242180A CN103542755B CN 103542755 B CN103542755 B CN 103542755B CN 201210242180 A CN201210242180 A CN 201210242180A CN 103542755 B CN103542755 B CN 103542755B
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- halfbody
- air
- storage heater
- assembly
- heat
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- 239000000463 material Substances 0.000 claims abstract description 30
- 238000003860 storage Methods 0.000 claims description 66
- 230000008859 change Effects 0.000 claims description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 10
- 150000001875 compounds Chemical class 0.000 claims description 10
- 229910002804 graphite Inorganic materials 0.000 claims description 10
- 239000010439 graphite Substances 0.000 claims description 10
- 238000005338 heat storage Methods 0.000 claims description 10
- 239000012188 paraffin wax Substances 0.000 claims description 10
- 239000011232 storage material Substances 0.000 claims description 10
- 238000005452 bending Methods 0.000 claims description 3
- 238000009825 accumulation Methods 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 abstract description 3
- 230000003044 adaptive effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 13
- 230000008569 process Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 5
- 230000002706 hydrostatic effect Effects 0.000 description 5
- 239000003507 refrigerant Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000007704 transition Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
Landscapes
- Air-Conditioning For Vehicles (AREA)
- Resistance Heating (AREA)
Abstract
The invention provides an air conditioner and a heat accumulator thereof. The heat accumulator of the air conditioner comprises a U-shaped box formed by splicing a plurality of components, wherein the U-shaped box is internally provided with adaptive heat conduction pipes, and the space of the U-shaped box outside the heat conduction pipes is filled with heat accumulation materials. According to the air conditioner and the heat accumulator thereof, the heat accumulator is arranged in the U shape, so that the opening of the U-shaped heat accumulator can avoid a liquid distributor arranged on the compressor, the inner surface of the U-shaped heat accumulator can be attached to the outer surface of the compressor, and the heat transfer efficiency is improved. In addition, the U-shaped heat accumulator is formed by splicing a plurality of components, so that the heat conduction pipe is convenient to mount and the heat accumulation material is convenient to fill.
Description
Technical field
The present invention relates to field of air conditioning, in particular to a kind of air-conditioner and storage heater thereof.
Background technology
Storage heater is adopted to utilize heat of compressor to condenser defrost in prior art, Chinese patent CN200310117411.0 proposes one and utilizes columniform storage heater, this storage heater is made up of hydrostatic column and graphite/paraffin compound phase change heat storage material of being arranged on the helical coiled tube in hydrostatic column and being filled in coil pipe periphery, and disclose in detail the manufacture method of graphite/paraffin compound phase change heat storage material.Graphite/paraffin compound phase change heat storage material in this patent remains solid-state when undergoing phase transition, there is not liquid leakage problem, thus effectively can reduce seal request, and the thermal conductivity factor of this material is large, and heat transfer efficiency is high.But existing compressor is provided with knockout, namely the columniform outer surface of compressor has a protuberance, thus causes hydrostatic column to be difficult to fit with the outer surface of compressor, affects to heat transfer efficiency.In addition, before filling graphite/paraffin compound phase change heat storage material, need first helical coiled tube to be installed in hydrostatic column, and due to hydrostatic column height vertically higher, when arrange to recharge graphite/paraffin compound phase change heat storage material after helical coiled tube time, be difficult to heat-storing material compacting, cause troublesome poeration.
Summary of the invention
The present invention aims to provide a kind of air-conditioner that can fit completely with compressor outer surface and storage heater thereof, to solve the problem that cylindrical shape air-conditioner storage heater is difficult to fit with compressor outer surface.
The invention provides a kind of air-conditioner storage heater, comprise the U-shaped case be spliced by polylith assembly, U-shaped case inside is provided with suitable heat pipe, and fills heat-storing material in the space of U-shaped case beyond heat pipe.
Further, heat-storing material is graphite/paraffin compound phase change heat storage material.
Further, U-shaped case comprises the first halfbody assembly and the second halfbody assembly, the first halfbody assembly and the second halfbody assembly symmetrical about the vertical plane at the faying face place of the two; First halfbody assembly comprises the first halfbody chest portion and the first halfbody ceiling plate portion that cooperatively interact, and the second halfbody assembly comprises the second halfbody chest portion and the second halfbody ceiling plate portion that cooperatively interact; The madial wall of the first halfbody ceiling plate portion and the second halfbody ceiling plate portion composition U-shaped case.
Further, air-conditioner storage heater also comprises U-shaped fixed cover, and U-shaped case is embedded in U-shaped fixed cover.
Further, the openend of U-shaped fixed cover is also provided with the fixing inner panel fixing the first halfbody ceiling plate portion and the second halfbody ceiling plate portion.
Further, fixing inner panel is also at least provided with one group of first guide hole coordinated with the fixed band for being fixed on compressor by air-conditioner storage heater, fixed band is provided with fastener.
Further, air-conditioner storage heater also comprises the arc pad being arranged on and fitting between the compressor of air-conditioner and knockout and with the outer surface of compressor, arc pad is at least arranged second guide hole coordinated with fixed band.
Further, U-shaped case comprises arc sections assembly and is positioned at the first line part assembly and the second line part assembly of its both sides.
Further, heat pipe is arranged in polylith assembly, and bending is in multistage, comprises along the vertical direction or horizontal direction is walked the main leg of pipe and is connected to the bend loss of end of main leg, is provided with the support coordinated with heat pipe in polylith assembly.
Present invention also offers a kind of air-conditioner, comprise compressor and aforesaid air-conditioner storage heater, the inner surface of air-conditioner storage heater and the outer surface of compressor are fitted.
According to air-conditioner of the present invention and storage heater thereof, storage heater is arranged to U-shaped, enables the opening of U-shaped storage heater avoid the knockout arranged on the compressor, the inner surface of U-shaped storage heater is fitted with the outer surface of compressor, thus improve heat transfer efficiency.In addition, U-shaped storage heater is spliced by polylith assembly, convenient installation heat pipe and filling heat-storing material.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the assembling process schematic diagram of the first halfbody chest portion according to air-conditioner storage heater of the present invention and heat pipe;
Fig. 2 is the assembling process schematic diagram with the first halfbody ceiling plate portion after the first halfbody chest portion filling heat-storing material according to air-conditioner storage heater of the present invention;
Fig. 3 is the assembling process schematic diagram with the second halfbody ceiling plate portion after the second halfbody chest portion filling heat-storing material according to air-conditioner storage heater of the present invention;
Fig. 4 is the process schematic being spliced into U-shaped case according to the first halfbody assembly of air-conditioner storage heater of the present invention and the second halfbody assembly;
Fig. 5 is U-shaped case according to air-conditioner storage heater of the present invention and U-shaped fixed cover assembling process schematic diagram;
Fig. 6 is the assembling process schematic diagram according to air-conditioner storage heater of the present invention and compressor;
Fig. 7 is the schematic perspective view after completing according to the assembling of air-conditioner storage heater of the present invention and compressor; And
The process schematic that Fig. 8 is the arc sections assembly of the second embodiment according to air-conditioner storage heater of the present invention, the first line part assembly and the second line part assembly are spliced into U-shaped case.
Detailed description of the invention
Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
As shown in Figures 1 to 4, according to air-conditioner storage heater of the present invention, comprise the U-shaped case 10 be spliced by polylith assembly, U-shaped case 10 inside is provided with suitable heat pipe 20, and fills heat-storing material 30 in the space of U-shaped case 10 beyond heat pipe 20.Air-conditioner storage heater of the present invention, is arranged to U-shaped by storage heater, enables the opening of U-shaped storage heater avoid the knockout arranged on the compressor, and the inner surface of U-shaped storage heater is fitted with the outer surface of compressor, thus improves heat transfer efficiency.In addition, U-shaped storage heater is spliced by polylith assembly, convenient installation and filling heat-storing material.
Preferably, heat-storing material 30 of the present invention adopts graphite/paraffin compound phase change heat storage material disclosed in Chinese patent CN200310117411.0, the manufacture method and proportioning etc. of this material is described in detail in this patent, graphite/paraffin compound phase change heat storage material in this patent remains solid-state when undergoing phase transition, there is not liquid leakage problem, thus effectively can reduce seal request, and the thermal conductivity factor of this material is large, and heat transfer efficiency is high.
As shown in Figure 4, according to the first embodiment of the present invention, U-shaped case 10 is spliced by the first symmetrical halfbody assembly 11 with the second halfbody assembly 12, the air-conditioner storage heater of overall U-shaped is designed to be split into two symmetrical halfbodies from the bottom part of U-shaped, effectively improve the efficiency of installing heat pipe 20 and filling heat-storing material 30, and relative overall assembly, expand after partition and expand operating space when filling heat-storing material 30, more quickly by heat-storing material 30 compacting, accumulation of heat requirement can be met.
Preferably, as shown in Figure 2, first halfbody assembly 11 comprises the first halfbody chest portion 11a and the first halfbody ceiling plate portion 11b that cooperatively interact, and the first halfbody ceiling plate portion 11b is the madial wall inside U-shaped case 10, and the first halfbody chest portion 11a is all sidewalls of removing first halfbody ceiling plate portion 11b.As shown in Figure 3, the second halfbody assembly 12 is similar is arranged to the second halfbody chest portion 12a and the second halfbody ceiling plate portion 12b.After arranging like this, fill heat-storing material 30 by traditional from storage heater top fill downwards change into two of storage heater halfbodies are kept flat respectively after fill by inside storage heater, the height of compacting is needed to be the thickness of storage heater like this, effectively reduce the degree of depth needing compacting when filling heat-storing material 30, thus can compacting heat-storing material quickly, enhance productivity.
As illustrated in fig. 1 and 2, heat pipe 20 is one-body molded and bending is multistage, every section of form walking pipe is in the horizontal direction arranged on the first halfbody chest portion 11a (for the first halfbody chest portion 11a, in second halfbody chest portion 12a, heat pipe 20 arranges similar) in, in order to fixing heat pipe 20, first halfbody chest portion 11a inside can be provided with the support coordinated with heat pipe 20, support is provided with the little draw-in groove coordinated with every section of heat pipe 20, thus all can be effectively fixing to every section of heat pipe 20, can prevent from being pressed by heat pipe 20 when filling heat-storing material 30 askew and problem that is that cause heat pipe 20 distance each other uneven.On first halfbody chest portion 11a, correspondence is provided with the through hole that heat pipe 20 penetrates and passes, thus is convenient to heat pipe 20 and is connected with outside refrigerant pipe.Preferably, in order to improve heat transfer efficiency, the pipeline that heat pipe can adopt the good conducting of heat-conducting copper pipe or other heat to manufacture.
In addition, in order to improve heat transfer efficiency, can also adopt and arrange on heat pipe 20 as the mode such as screw thread, fin increases the contact area of heat pipe 20 and heat-storing material 30.As shown in Figure 3, the form that heat pipe 20 also can walk pipe is along the vertical direction arranged in each assembly, on each assembly, the position of the through hole that heat pipe 20 penetrates and passes also adjusts accordingly, similarly, adjustment is moved towards also according to heat pipe 20 in the direction of the support 11d of each component internal, thus each section of heat pipe 20 all can be fixed effectively.
As shown in Figure 4, install heat pipe 20 respectively and fill after heat-storing material 30 completes when the first halfbody assembly 11 and the second halfbody assembly 12, the first halfbody assembly 11 and the second halfbody assembly 12 form U-shaped case 10 by welding, the mode such as bonding.As shown in Figure 5, air-conditioner storage heater also comprises U-shaped fixed cover 40, is embedded in U-shaped fixed cover 40, thus is convenient to U-shaped case 10 to be fixed on compressor 50 when the first halfbody assembly 11 and the second halfbody assembly 12 are spliced into U-shaped case 10.Preferably, in order to effectively fixing to the first halfbody ceiling plate portion 11b and the second halfbody ceiling plate portion 12b, preventing the two from coming off causes heat-storing material 30 to spill, also be provided with the fixing inner panel 41 of fixing U-shaped inner cap 12 in the openend of U-shaped fixed cover 40, the first halfbody ceiling plate portion 11b and the second halfbody ceiling plate portion 12b is pressed on the first halfbody chest portion 11a and the second halfbody chest portion 12a and forms effective sealing by fixing inner panel 41 respectively.
Preferably, fixing inner panel 41 is also at least provided with one group of first guide hole 41a coordinated with fixed band 42, fixed band 42 is provided with fastener 42a.To be located in the first guide hole 41a by fixed band 42 thus air-conditioner storage heater is tied up on the compressor, and the inner surface of storage heater and compressor are fitted, thus make the heat produced in compressor operating process pass to refrigerant by storage heater, improve the temperature of refrigerant and melt the frost and dew that evaporimeter condenses due to low temperature.Certainly, the first guide hole 41a also can be arranged on other positions, as the outer surface of U-shaped fixed cover 40.Fixed band also can be fixed by the mode be connected directly between on U-shaped fixed cover 40.Preferably, fixed band has certain elasticity, makes storage heater fixing more reliable on the compressor by tensioning.
Preferably, as shown in Figure 6 and Figure 7, air-conditioner storage heater also comprises the arc pad 43 being arranged on and fitting between compressor 50 and knockout 51 and with the outer surface of compressor 50, arc pad 43 is at least arranged a second guide hole 43a coordinated with fixed band 42.Fixed band 42 passes from the second guide hole 43a and the first guide hole 41a, all can directly effectively fix compressor 50 and knockout 51, thus improves reliability.In addition, arc pad 43 is set and also can alleviates wearing and tearing between compressor 50 and fixed band 42, improve the life-span of fixed band 42.
Assembling and the installation process of air-conditioner storage heater are as follows: the first step: as shown in Figure 1, are located in by the heat pipe 20 bent in the first halfbody chest portion 11a and the second halfbody chest portion 12a; Second step, as shown in Fig. 2 or Fig. 3, in the first halfbody chest portion 11a installing U-shaped pipe 20 or the second halfbody chest portion 12a, fill graphite/paraffin compound phase change heat storage material, the first halfbody ceiling plate portion 11b and the second halfbody ceiling plate portion 12b covers respectively on the first halfbody chest portion 11a and the second halfbody chest portion 12b; 3rd step, as shown in Figure 4, will install heat pipe 20 and the first halfbody assembly 11 after filling heat-storing material 30 and the second halfbody assembly 20 are spliced to form U-shaped case 10; 4th step, as shown in Figure 5, embeds U-shaped case 10 in U-shaped fixed cover 40; 5th step, as shown in Figure 6, is fitted in storage heater on compressor 50, and with fixed band 42 around compressor tension, detains real with fastener 42a.
As shown in Figure 8, according to a second embodiment of the present invention, the U-shaped case of storage heater can be designed to arc sections assembly 13 and the first line part assembly 14 and the second line part assembly 15 being positioned at its both sides, the element shapes more standard of such design, be convenient to large-scale production, be conducive to enhancing productivity, heat pipe 20 be installed in the present embodiment and fill heat-storing material 30 and assembling and fixing detailed process on the compressor and embodiment one similar.In the present embodiment, first line part assembly 14 can also be designed to the different serial component of a series of length with the second line part assembly 15, according to the needs of different amount of stored heat, the first line part assembly 14 of appropriate length and the second line part assembly 15 can be selected fast and be spliced into U-shaped case 10 with arc sections assembly 13, also only can need the arc sections assembly 13 fitted tightly with compressor.By by component standard, effectively can enhance productivity, also can meet the requirement of product seriation.
The present invention also provides a kind of air-conditioner, comprise compressor 50 and aforesaid air-conditioner storage heater, the inner surface of air-conditioner storage heater and the outer surface of compressor 50 are fitted, by the heat-storing material 30 in storage heater the heat produced in compressor operating process passed to the refrigerant in heat pipe 20, improve refrigerant temperature, to the effective defrost of evaporimeter.
As can be seen from the above description, the above embodiments of the present invention achieve following technique effect:
According to air-conditioner of the present invention and storage heater thereof, storage heater is arranged to U-shaped, enables the opening of U-shaped storage heater avoid the knockout arranged on the compressor, the inner surface of U-shaped storage heater is fitted with the outer surface of compressor, thus improve heat transfer efficiency.In addition, U-shaped storage heater is spliced by polylith assembly, convenient installation heat pipe and filling heat-storing material.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. an air-conditioner storage heater, it is characterized in that, comprise the U-shaped case (10) be spliced by polylith assembly, described U-shaped case (10) inside is provided with suitable heat pipe (20), and fill heat-storing material (30) in the space of described U-shaped case (10) beyond described heat pipe (20), described U-shaped case (10) comprises the first halfbody assembly (11) and the second halfbody assembly (12), described first halfbody assembly (11) and the second halfbody assembly (12) symmetrical about the vertical plane at the faying face place of the two; Described first halfbody assembly (11) comprises the first halfbody chest portion (11a) and the first halfbody ceiling plate portion (11b) that cooperatively interact, and described second halfbody assembly comprises the second halfbody chest portion (12a) and the second halfbody ceiling plate portion (12b) that cooperatively interact; Described first halfbody ceiling plate portion (11b) and described second halfbody ceiling plate portion (12b) form the madial wall of described U-shaped case (10).
2. air-conditioner storage heater according to claim 1, is characterized in that,
Described heat-storing material (30) is graphite/paraffin compound phase change heat storage material.
3. air-conditioner storage heater according to claim 1, is characterized in that,
Described air-conditioner storage heater also comprises U-shaped fixed cover (40), and described U-shaped case (10) is embedded in described U-shaped fixed cover (40).
4. air-conditioner storage heater according to claim 3, is characterized in that,
The openend of described U-shaped fixed cover (40) is also provided with the fixing inner panel (41) of fixing described first halfbody ceiling plate portion (11b) and described second halfbody ceiling plate portion (12b).
5. air-conditioner storage heater according to claim 4, is characterized in that,
Described fixing inner panel (41) is also at least provided with one group with for described air-conditioner storage heater being fixed to the first guide hole (41a) that the fixed band (42) on compressor (50) coordinates, described fixed band (42) is provided with fastener (42a).
6. air-conditioner storage heater according to claim 5, is characterized in that,
Described air-conditioner storage heater also comprise be arranged on air-conditioner between compressor (50) and knockout (51) and with the arc pad (43) that the outer surface of described compressor (50) is fitted, described arc pad (43) is at least arranged second guide hole (43a) coordinated with described fixed band (42).
7. air-conditioner storage heater according to claim 1, is characterized in that,
Described heat pipe (20) is arranged in described polylith assembly, and bending is in multistage, comprise along the vertical direction or horizontal direction walk the main leg of pipe and be connected to the bend loss of end of main leg, be provided with the support coordinated with described heat pipe (20) in described polylith assembly.
8. an air-conditioner, comprises compressor (50), it is characterized in that, also comprises the air-conditioner storage heater according to any one of claim 1 to 7, and the inner surface of described air-conditioner storage heater and the outer surface of described compressor (50) are fitted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210242180.5A CN103542755B (en) | 2012-07-12 | 2012-07-12 | Air conditioner and heat accumulator thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210242180.5A CN103542755B (en) | 2012-07-12 | 2012-07-12 | Air conditioner and heat accumulator thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103542755A CN103542755A (en) | 2014-01-29 |
| CN103542755B true CN103542755B (en) | 2016-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210242180.5A Active CN103542755B (en) | 2012-07-12 | 2012-07-12 | Air conditioner and heat accumulator thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN103542755B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102549354A (en) * | 2010-10-01 | 2012-07-04 | 松下电器产业株式会社 | Thermal storage device and air conditioner provided with thermal storage device |
| CN202675979U (en) * | 2012-07-12 | 2013-01-16 | 珠海格力电器股份有限公司 | Air conditioner and heat accumulator thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02166358A (en) * | 1988-12-19 | 1990-06-27 | Matsushita Electric Ind Co Ltd | Heat accumulation device |
| JPH04270876A (en) * | 1991-02-27 | 1992-09-28 | Matsushita Electric Ind Co Ltd | Defrosting controller for heat pump type air-conditioning machine |
| JPH0518614A (en) * | 1991-07-11 | 1993-01-26 | Daikin Ind Ltd | Heat accumulating heat exchanger and compressor provided therewith |
| JPH05223410A (en) * | 1992-07-17 | 1993-08-31 | Toshiba Corp | Heat pump |
| JP5110136B2 (en) * | 2010-08-31 | 2012-12-26 | パナソニック株式会社 | Heat storage device and air conditioner equipped with the heat storage device |
| JP5183705B2 (en) * | 2010-09-09 | 2013-04-17 | パナソニック株式会社 | Air conditioner |
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2012
- 2012-07-12 CN CN201210242180.5A patent/CN103542755B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102549354A (en) * | 2010-10-01 | 2012-07-04 | 松下电器产业株式会社 | Thermal storage device and air conditioner provided with thermal storage device |
| CN202675979U (en) * | 2012-07-12 | 2013-01-16 | 珠海格力电器股份有限公司 | Air conditioner and heat accumulator thereof |
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| CN103542755A (en) | 2014-01-29 |
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