CN109140632B - Working method of low-noise energy-saving air conditioner - Google Patents
Working method of low-noise energy-saving air conditioner Download PDFInfo
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- CN109140632B CN109140632B CN201810986009.2A CN201810986009A CN109140632B CN 109140632 B CN109140632 B CN 109140632B CN 201810986009 A CN201810986009 A CN 201810986009A CN 109140632 B CN109140632 B CN 109140632B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/001—Compression cycle type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/14—Heat exchangers specially adapted for separate outdoor units
- F24F1/16—Arrangement or mounting thereof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/08—Compressors specially adapted for separate outdoor units
- F24F1/10—Arrangement or mounting thereof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/40—Vibration or noise prevention at outdoor units
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/46—Component arrangements in separate outdoor units
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
- F24F2013/247—Active noise-suppression
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Air Conditioning Control Device (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The invention provides a working method of a low-noise energy-saving air conditioner, wherein the low-noise energy-saving air conditioner comprises an external machine heat exchanger, a heat storage heat exchanger and a heat exchange heat exchanger, wherein the external machine heat exchanger is connected in series with the heat storage heat exchanger in a heat storage tank through a heat exchange copper pipe to form a heat exchange loop; the heat exchange loop is filled with a refrigerant and is connected with a compressor and an expansion valve in series; the heat storage tank is filled with heat storage agent and is provided with an output heat exchanger which is connected with an internal machine heat exchanger in an air conditioner internal machine in series through an output copper pipe to form an output loop, and the output loop is filled with heat conduction liquid and is provided with a heat conduction liquid circulating device; a heat insulation partition plate is fixed on the wall side of the external machine heat exchanger; an inner temperature sensor and an outer temperature sensor are respectively arranged on the side close to the wall and the side close to the heat exchanger of the outer machine, a heat storage temperature sensor is arranged in the heat storage tank, and the inner temperature sensor, the outer temperature sensor and the heat storage temperature sensor are coupled to the compressor control module together; when the sensing temperature of the heat storage temperature sensor is lower than a set value and the temperature difference between the inner temperature sensor and the outer temperature sensor is smaller than the set value, the compressor works, otherwise, the compressor stops. The air conditioner fan without the external unit has the advantages of low noise and energy conservation.
Description
This application is a divisional application of the patent application with application number 201610178489.0.
Technical Field
The invention relates to the field of household appliances, in particular to a working method of an energy-saving air conditioner.
Background
The existing air conditioner comprises an air conditioner internal unit and an air conditioner external unit, wherein the air conditioner external unit is arranged outdoors, and in order to fully extract heat from air, a fan of the external unit continuously rotates in the working process of the air conditioner, so that air flow continuously flows through a heat exchange pipe. However, the power consumption of the outer unit is large due to the continuous rotation of the outer unit fan; and because the air conditioner outer unit and its support are exposed to the external world for a long time, because deformation leads to the air conditioner outer unit fan when rotatory, often appears great noise.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide a low-noise energy-saving air conditioner without an external unit fan, which is low in noise and energy-saving.
The technical scheme adopted by the invention for solving the technical problems is as follows: the low-noise energy-saving air conditioner comprises an external unit heat exchanger exposed to the outside; the external machine heat exchanger is connected in series with a heat storage heat exchanger arranged in a heat storage tank through a heat exchange copper pipe to form a heat exchange loop; the heat exchange loop is filled with a refrigerant, and a compressor and an expansion valve are connected in series in the heat exchange loop; the heat storage tank is filled with a heat storage agent and is provided with an output heat exchanger, the output heat exchanger and an internal machine heat exchanger in an internal machine of the air conditioner are connected in series through an output copper pipe to form an output loop, the output loop is filled with heat conduction liquid, and a heat conduction liquid circulating device is arranged in the output loop; a heat insulation partition plate is fixed on the wall side of the outer machine heat exchanger; the heat preservation baffle lean on the wall side and lean on outer quick-witted heat exchanger side to be equipped with interior temperature sensor, outer temperature sensor respectively, be equipped with heat-retaining temperature sensor in the heat storage tank, just interior, outer, heat-retaining temperature sensor couples to compressor control module jointly, compressor control module is in heat-retaining temperature sensor's sensing temperature is less than the setting value, just when interior, outer temperature sensor's the difference in temperature is less than the setting value, makes the compressor maintains work, otherwise makes compressor stop work.
Preferably, the external machine heat exchanger comprises a snake-shaped heat exchange copper pipe and a heat exchange fin fixed on the snake-shaped heat exchange copper pipe.
Preferably, the heat storage tank is provided with a pressure relief valve to prevent expansion or bursting due to an excessive temperature in the heat storage tank.
Preferably, the heat storage tank is arranged indoors, is cylindrical, and is wrapped with a heat insulation layer; the heat storage tank is provided with a vertical channel along the axis, and the peripheral wall of the vertical channel is a metal wall and is in thermal contact with a heat storage agent in the heat storage tank; the bottom of the vertical channel is a heat-insulating bottom plate, and a faucet is arranged on the heat-insulating bottom plate; the upper part of the vertical channel is covered with an openable heat-preservation upper cover; therefore, cold water can be added into the vertical channel to absorb heat in the heat storage agent to generate hot water, and the hot water is directly discharged from the bottom of the heat storage tank through the water faucet, so that the heat storage tank is extremely convenient for life and use.
Preferably, the heat-conducting liquid circulating device in the air conditioner indoor unit is composed of an air conditioner indoor unit fan, a fan motor and the indoor unit heat exchanger; the indoor unit heat exchanger is composed of a section of straight spiral pipe-shaped heat exchange spiral pipe, and the heat exchange spiral pipe is arranged inside the indoor unit fan and is relatively fixed with the indoor unit fan; two ends of the heat exchange solenoid extend out of two ends of the inner machine fan and are connected with the output copper pipe through a shaft sealing connector in a shaft mode; a driven gear is fixed at the end part of the heat exchange solenoid or the inner fan and is coupled with the fan motor; according to the scheme, in the process that the heat exchange spiral pipe rotates along with the inner fan, the spiral pipe wall of the heat exchange spiral pipe forms axial pressure on the heat conducting liquid inside, so that the heat conducting liquid circularly flows along an output loop where the heat exchange spiral pipe is located, heat in the heat storage tank is continuously output, a circulating pump is omitted, and the structure is simplified; and because the heat exchange solenoid rotates continuously, on the basis of the fan motor with the same power, the relative speed of the heat exchanger of the internal machine and the air is fully improved, the heat exchange efficiency is greatly improved, and the heating effect is better.
The invention has the beneficial effects that: when the low-noise energy-saving air conditioner is used, the heat-insulating partition plate is fixed on the side, close to the wall, of the outer machine heat exchanger, so that when the air conditioner heats, the air temperature at the outer machine heat exchanger is rapidly reduced due to the fact that a large amount of environmental heat is absorbed by the outer machine heat exchanger, the air temperature at the side, close to the wall, of the heat-insulating partition plate is slowly reduced, and when the temperature difference reaches a set value, the outer machine heat exchanger absorbs more relatively high-temperature heat in the environment where the outer machine heat exchanger is located, and the heating efficiency of the air conditioner begins; at the moment, the compressor stops working, and after the heat in the air where the outer machine heat exchanger is located is supplemented, the compressor is restarted, so that the heating efficiency of the air conditioner is always kept at a higher level; particularly, under the condition of windy weather, because the natural convection of air in the environment where the outer machine heat exchanger is located is rapid, the heat in the environment where the outer machine heat exchanger is located can be continuously and rapidly supplemented, and therefore, under the condition of saving the outer machine fan, rapid and instant heating can still be realized; on the other hand, although the compressor does not work continuously in order to guarantee the heating efficiency, the heat conveyed to the heat exchanger of the indoor unit always keeps good stability due to the buffering effect of the heat storage tank on the heat, and the indoor unit of the air conditioner can generate continuous and soft warm air.
Drawings
Fig. 1 is a schematic diagram of a first embodiment of the low-noise energy-saving air conditioner.
Fig. 2 is a schematic structural diagram of a heat transfer fluid circulating device of an air conditioner indoor unit in the second embodiment of the low-noise energy-saving air conditioner.
Fig. 3 is a schematic view of an embodiment of the heat storage tank in the low-noise energy-saving air conditioner.
Detailed Description
The invention is further illustrated with reference to the following figures and examples:
the first embodiment is as follows:
in the first embodiment shown in fig. 1, the low noise energy saving air conditioner includes an external unit heat exchanger 1 exposed to the outside; the external machine heat exchanger 1 is connected in series with a heat storage heat exchanger 2 arranged in a heat storage tank 3 through a heat exchange copper pipe to form a heat exchange loop 12; the heat exchange loop 12 is filled with a refrigerant, and a compressor 121 and an expansion valve 122 are connected in series in the heat exchange loop.
In the above air conditioner, specifically, the outer unit heat exchanger 1 includes a serpentine heat exchange copper pipe and a heat exchange fin (not shown) fixed on the serpentine heat exchange copper pipe.
The heat storage tank 3 is filled with heat storage agent and is provided with an output heat exchanger 4, the output heat exchanger 4 and an internal machine heat exchanger 5 in an internal machine of an air conditioner are connected in series through an output copper pipe to form an output loop 41, the output loop 41 is filled with heat conduction liquid, and a heat conduction liquid circulating device is arranged in the output loop 45; in the first embodiment, the heat conducting liquid circulating device is a circulating pump 411. The inner machine heat exchanger 5 is matched with a rear inner machine fan 9; the heat storage heat exchanger 2 and the output heat exchanger 4 in the heat storage tank 3 can both be metal coil pipes.
In the air conditioner, the heat-insulating partition plate 6 is fixed on the wall-near side of the outer unit heat exchanger 1; the heat preservation baffle 6 lean on the wall side and lean on outer quick-witted heat exchanger side to be equipped with interior temperature sensor 71, outer temperature sensor 72 respectively, be equipped with heat-retaining temperature sensor 73 in the heat storage tank 3, just interior, outer, heat-retaining temperature sensor 71, 72 couple to compressor control module 8 jointly, compressor control module 8 is in heat-retaining temperature sensor 73's sensing temperature is less than the setting value, just when the difference in temperature of interior, outer temperature sensor 71, 72 is less than the setting value, makes compressor 121 maintains work, otherwise makes compressor 121 stop work.
A relief valve is preferably provided in the heat storage tank 3 to prevent the expansion or explosion phenomenon caused by an excessive temperature in the heat storage tank 3.
When the low-noise energy-saving air conditioner is used, because the heat-insulating partition plate 6 is fixed on the wall-close side of the outer machine heat exchanger 1, when the air conditioner heats, the air temperature of the outer machine heat exchanger 1 is rapidly reduced due to the fact that the outer machine heat exchanger 1 absorbs a large amount of environmental heat, the air temperature of the wall-close side of the heat-insulating partition plate 6 is slowly reduced, and when the temperature difference reaches a set value, the outer machine heat exchanger 1 absorbs more relatively high-temperature heat in the environment, and the heating efficiency of the air conditioner begins to obviously reduce; at this time, the compressor 121 stops working, and after the heat in the air where the outer unit heat exchanger 1 is located is supplemented, the compressor 121 is restarted, so that the heating efficiency of the air conditioner is always kept at a higher level; particularly, under the condition of windy weather, because the natural convection of air in the environment where the outer machine heat exchanger 1 is located is rapid, the heat in the environment where the outer machine heat exchanger 1 is located can be continuously and rapidly supplemented, and therefore, under the condition of saving the outer machine fan, rapid and instant heating can still be realized; on the other hand, although the compressor 121 is discontinuously operated to ensure the heating efficiency, the heat quantity transferred to the indoor unit heat exchanger 5 is always kept in good stability due to the buffering effect of the heat storage tank 3 on the heat quantity, so that the air conditioner indoor unit can generate continuous and soft warm air.
Example two:
the second embodiment of the low-noise energy-saving air conditioner is different from the first embodiment in that: the heat conducting liquid circulating device in the air conditioner indoor unit is shown in fig. 2 and is composed of an air conditioner indoor unit fan 9, a fan motor 91 and the indoor unit heat exchanger 5; at this time, the inner machine heat exchanger 5 is composed of a section of straight spiral heat exchange solenoid, and the heat exchange solenoid is arranged inside the inner machine fan 9 and is relatively fixed with the inner machine fan 9; the two ends of the heat exchange spiral pipe extend out of the two ends of the inner fan and are connected in the output loop 45 through a shaft sealing connector 50; a driven gear is fixed at the end of the heat exchange solenoid and coupled to the fan motor 91; according to the scheme, in the process that the heat exchange spiral pipe (the inner machine heat exchanger 5) rotates along with the inner machine fan 9, the spiral pipe wall of the heat exchange spiral pipe forms axial pressure on the heat conducting liquid in the heat exchange spiral pipe, so that the heat conducting liquid circularly flows along an output loop where the heat exchange spiral pipe is located, the heat in the heat storage tank 3 is continuously output, a circulating pump is omitted, and the structure is simplified; and because the heat exchange solenoid rotates continuously, on the basis of the fan motor with the same power, the relative speed of the heat exchanger 5 of the inner machine and the air is fully improved, the heat exchange efficiency is greatly improved, and the heating effect is better.
In addition to the above two embodiments, particularly, as for the heat storage tank, one preferred embodiment thereof is shown in fig. 3, the heat storage tank 3 is arranged in a room, and the heat storage tank is cylindrical and is wrapped with an insulating layer; a vertical channel 30 is formed in the heat storage tank 3 along the axis, the peripheral wall of the vertical channel 30 is a metal wall, and is in thermal contact with a heat storage agent in the heat storage tank 3; the bottom of the vertical channel 30 is a heat preservation bottom plate 31, and a water tap 310 is arranged on the heat preservation bottom plate 31; the upper part of the vertical channel 30 is covered with an openable heat-preservation upper cover 32; therefore, cold water can be added into the vertical passage 30 to absorb heat in the heat storage agent to generate hot water, and the hot water is directly discharged from the bottom of the heat storage tank 3 through the water tap 310, which is very convenient for life and use.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, but rather as the subject matter of the invention is intended to cover all modifications, equivalents and alternatives falling within the spirit and scope of the present invention.
Claims (5)
1. A method of operating a low-noise energy-saving air conditioner including an external unit heat exchanger (1) exposed to the outside: the method is characterized in that: the fan without the external machine is characterized in that a heat-insulating partition plate (6) is fixed on the side, close to the wall, of the external machine heat exchanger (1); an inner temperature sensor (71) and an outer temperature sensor (72) are respectively arranged on the side, close to the wall, of the heat-insulating partition plate (6) and the side, close to the outer machine heat exchanger (1), and the outer machine heat exchanger (1) is connected in series with a heat storage heat exchanger (2) arranged in a heat storage tank (3) through a heat exchange copper pipe to form a heat exchange loop (12); a heat storage temperature sensor (73) is arranged in the heat storage tank (3), the inner temperature sensor (71), the outer temperature sensor (72) and the heat storage temperature sensor (73) are coupled to the compressor control module (8) together, a refrigerant is filled in the heat exchange loop, and a compressor (121) and an expansion valve (122) are connected in series in the heat exchange loop (12); the heat storage tank (3) is filled with a heat storage agent and is provided with an output heat exchanger (4), the output heat exchanger (4) and an indoor unit heat exchanger (5) in an air conditioner indoor unit are connected in series through an output copper pipe to form an output loop (41), the output loop (41) is filled with heat conduction liquid, and a heat conduction liquid circulating device is arranged in the output loop (41); the external machine heat exchanger (1) comprises a snake-shaped heat exchange copper pipe and heat exchange fins fixed on the snake-shaped heat exchange copper pipe; the working method comprises the following steps: in the heating mode, when the sensing temperature of the heat storage temperature sensor (73) is lower than a set value and the temperature difference between the inner temperature sensor (71) and the outer temperature sensor (72) is smaller than the set value, the compressor (121) is kept working, otherwise, the compressor stops working.
2. The operating method of a low noise energy saving air conditioner according to claim 1, characterized in that: the heat storage tank (3) is provided with a pressure relief valve.
3. A method for operating a low noise energy saving air conditioner according to any one of claims 1 to 2, characterized in that: the heat storage tank (3) is arranged indoors, is cylindrical and is wrapped with a heat insulation layer; the heat storage tank (3) is provided with a vertical channel (30) along the axis, the peripheral wall of the vertical channel (30) is a metal wall and is in thermal contact with a heat storage agent in the heat storage tank; the bottom of the vertical channel is provided with a heat preservation bottom plate (31), and a water faucet (310) is arranged on the heat preservation bottom plate; the upper part of the vertical channel (30) is covered with an openable heat-preservation upper cover (32).
4. A method for operating a low noise energy saving air conditioner according to any one of claims 1 to 2, characterized in that: the heat conducting liquid circulating device in the air conditioner indoor unit is composed of an air conditioner indoor unit fan (9), a fan motor (91) and the indoor unit heat exchanger (5); the inner machine heat exchanger (5) is composed of a section of straight spiral heat exchange solenoid, and the heat exchange solenoid is arranged inside the inner machine fan (9) and is relatively fixed with the inner machine fan; two ends of the heat exchange solenoid extend out of two ends of the inner machine fan and are connected with the output copper pipe through a shaft sealing connector (50); and a driven gear is fixed at the end part of the heat exchange solenoid or the inner fan and is coupled with the fan motor (91).
5. The operating method of a low noise energy saving air conditioner according to claim 4, characterized in that: the heat conducting liquid circulating device in the air conditioner indoor unit is composed of an air conditioner indoor unit fan (9), a fan motor (91) and the indoor unit heat exchanger (5); the inner machine heat exchanger (5) is composed of a section of straight spiral heat exchange solenoid, and the heat exchange solenoid is arranged inside the inner machine fan (9) and is relatively fixed with the inner machine fan; two ends of the heat exchange solenoid extend out of two ends of the inner machine fan and are connected with the output copper pipe through a shaft sealing connector (50); and a driven gear is fixed at the end part of the heat exchange solenoid or the inner fan and is coupled with the fan motor (91).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810986009.2A CN109140632B (en) | 2016-03-28 | 2016-03-28 | Working method of low-noise energy-saving air conditioner |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810986009.2A CN109140632B (en) | 2016-03-28 | 2016-03-28 | Working method of low-noise energy-saving air conditioner |
| CN201610178489.0A CN105757826B (en) | 2016-03-28 | 2016-03-28 | low-noise energy-saving air conditioner |
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| CN201610178489.0A Division CN105757826B (en) | 2016-03-28 | 2016-03-28 | low-noise energy-saving air conditioner |
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| CN109140632A CN109140632A (en) | 2019-01-04 |
| CN109140632B true CN109140632B (en) | 2020-12-11 |
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| CN201610178489.0A Active CN105757826B (en) | 2016-03-28 | 2016-03-28 | low-noise energy-saving air conditioner |
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| CN104006441A (en) * | 2013-02-26 | 2014-08-27 | 三菱电机株式会社 | Flow rate control device and fluid circuit system |
| CN204227568U (en) * | 2014-10-28 | 2015-03-25 | 广东美的制冷设备有限公司 | Air-conditioning system |
| CN204227694U (en) * | 2014-10-31 | 2015-03-25 | 辽宁绿暖科技有限公司 | Paddy electricity energy storage heat-pump water heater |
| CN104976700A (en) * | 2015-07-06 | 2015-10-14 | 江苏春兰制冷设备股份有限公司 | Air conditioning unit without outdoor draught fan system |
| CN204901981U (en) * | 2015-08-24 | 2015-12-23 | Tcl空调器(中山)有限公司 | Vertical indoor set and air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105757826A (en) | 2016-07-13 |
| CN109140632A (en) | 2019-01-04 |
| CN105757826B (en) | 2018-12-11 |
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