CN110906483B - Integrated equipment warms up central air conditioning - Google Patents
Integrated equipment warms up central air conditioning Download PDFInfo
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- CN110906483B CN110906483B CN201911260509.9A CN201911260509A CN110906483B CN 110906483 B CN110906483 B CN 110906483B CN 201911260509 A CN201911260509 A CN 201911260509A CN 110906483 B CN110906483 B CN 110906483B
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- pipeline
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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
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D3/00—Hot-water central heating systems
- F24D3/02—Hot-water central heating systems with forced circulation, e.g. by pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D3/00—Hot-water central heating systems
- F24D3/18—Hot-water central heating systems using heat pumps
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/12—Hot water central heating systems using heat pumps
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Steam Or Hot-Water Central Heating Systems (AREA)
Abstract
The invention relates to the field of central air-conditioning systems, in particular to a central air-conditioning and floor heating integrated device, which comprises: the system comprises an evaporator, a compressor, a first heat exchanger, a capillary tube, a second heat exchanger, a first water tank, a second water tank, a fan coil and a floor heating circulating pipeline; when the refrigerant in the evaporator exchanges heat with air, the heat exchanger heats the first water tank, the temperature is reduced through the refrigerant of the capillary tube, the second water tank is refrigerated through the heat exchanger, and the fan coil and the floor heating circulating pipeline are communicated with the first water tank and the second water tank; the invention realizes common or independent heating and refrigeration, fan coil refrigeration and floor heating circulating pipeline heating according to different mode conversion communication corresponding pipelines, so that the indoor is cold from top to bottom and is not stuffy, and the temperature of water in the water tank II is adjusted through the mutual flow of water in the water tank I and the water tank II, so that the fan coil can refrigerate the indoor at a proper temperature.
Description
Technical Field
The invention relates to the field of central air-conditioning systems, in particular to a central air-conditioning and floor heating integrated device.
Background
The common household refrigerating and heating equipment is mainly a central air conditioner, the floor heating equipment is various boilers, the products face the elimination situation along with the factors of limited use of non-renewable energy sources such as primary performance source coal, oil and gas, electric heating energy consumption and the like, the air source heat pump is used for refrigerating and heating along with the development of the air source heat pump technology, but if a plurality of independent equipment is used for heating and refrigerating, more equipment is used, and the defects of high cost, large floor area, high energy consumption, troublesome installation and operation and the like are overcome; present air energy heat pump trigeminy supplies unit, the air conditioner promptly, warm up, hot water all-in-one, can realize the air conditioner, the independent refrigeration and the heating of warm up, or refrigerate jointly and the heating, but present most of air energy heat pump trigeminy supplies unit can't realize the air conditioner refrigeration, warm up this kind of mode of heating, this kind is cold from top to bottom, can not let the vexed heat of people's sensation when opening warm up winter, or open the window and take a breath, because the winter temperature is lower, the cold wind of insufflating is too cold, can let the people feel uncomfortable, influence the heating effect of warm up simultaneously, blow off a comparatively suitable low temperature and warm up the heating and combine together with the air conditioner, can let the people feel comfortable, and keep the head clear and young.
Disclosure of Invention
The present invention has been made in view of the above problems, and it is an object of the present invention to provide a central air-conditioning and floor heating integrated facility which can cool the upper part of a fan coil at a comfortable temperature in winter and heat the lower part of a floor heating unit to achieve cooling and heating.
Integrated equipment warms up central air conditioning includes: the system comprises an evaporator, a compressor, a first heat exchanger, a capillary tube, a second heat exchanger, a first water tank, a second water tank, a fan coil and a floor heating circulating pipeline;
the evaporator is sequentially connected with the compressor, the first heat exchanger, the capillary tube, the second heat exchanger and the throttle valve along the flowing direction of the refrigerant;
the first heat exchanger heats water in the first water tank, and the second heat exchanger refrigerates water in the second water tank;
the fan coil is respectively communicated with the first water tank and the second water tank;
the floor heating circulating pipeline is respectively communicated with the first water tank and the second water tank;
the fan coil and the floor heating circulating pipeline are communicated with the water tank I and the water tank II in a switching mode, and various refrigeration and heating modes are achieved.
In one embodiment, when the floor heating circulation pipeline is used for refrigerating, if the refrigerating temperature is too low, the three ports of the three-way valve are all opened through the half-opening electric valve, and a small amount of hot water and cold water are mixed and flow into the floor heating circulation pipeline.
In one embodiment, another throttle is provided in front of the capillary tube in the refrigerant flow direction.
In one embodiment, when the first water pump senses that the temperature of water in the first water tank is too high through the temperature sensor, the first water pump is started to enable the water in the first water tank and the water in the second water tank to flow mutually.
Advantageous effects
The first water tank is a hot water tank, the second water tank is a cold water tank and is communicated with the fan coil and the floor heating circulating pipeline through pipelines, the corresponding pipelines are communicated by switching three-way valves according to different modes, common or independent heating and refrigeration are realized, the fan coil is used for refrigeration, the floor heating circulating pipeline is used for heating, the indoor is cold and hot from top to bottom, stuffiness is avoided, the mind is kept clear, the temperature of water in the second water tank is adjusted through the mutual flowing of water in the first water tank and the second water tank, and the fan coil is used for refrigerating the indoor at a proper temperature.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a schematic diagram of the cooling and heating circuits of the two tanks of the present invention.
Fig. 3 is a schematic diagram of a common refrigerating circuit of the fan coil and the floor heating circulating pipeline.
Fig. 4 is a schematic diagram of a common heating line of the fan coil and the floor heating circulating pipeline.
Fig. 5 is a schematic diagram of a fan coil refrigeration and floor heating circulating pipeline heating circuit.
FIG. 6 is a schematic diagram of a circuit for adjusting the water temperature of the water tank according to the present invention.
As shown in the figure: the system comprises an evaporator 1, a compressor 2, a heat exchanger 3, a capillary tube 4, a heat exchanger 5, a water tank 6, a water tank 7, a fan coil 8, a floor heating circulation pipeline 9, a water outlet pipeline 61, a backflow pipeline 71, a water outlet pipeline 81, a three-way valve 82, a backflow pipeline 83, a three-way valve 84, a water outlet pipeline 91, a three-way valve 92, a backflow pipeline 93, a three-way valve 94, a water pump 611, a one-way valve 711, an electromagnetic valve 811 and an electric valve 911.
Detailed Description
The present invention is further illustrated in the following description with reference to specific embodiments and the accompanying drawings, wherein the details are set forth in order to provide a thorough understanding of the present invention, but it is apparent that the present invention can be embodied in many other forms different from the description herein, and it will be readily appreciated by those skilled in the art that the present invention can be embodied in many different forms without departing from the spirit and scope of the invention.
As shown in fig. 1, integrated equipment warms up central air conditioning includes: the system comprises an evaporator 1, a compressor 2, a first heat exchanger 3, a capillary tube 4, a second heat exchanger 5, a first water tank 6, a second water tank 7, a fan coil 8 and a floor heating circulating pipeline 9;
the evaporator 1 is sequentially connected with a compressor 2, a first heat exchanger 3, a capillary tube 4, a second heat exchanger 5 and a throttle valve along the flowing direction of a refrigerant;
the first water tank 6 accommodates the first heat exchanger 3;
the second water tank 7 accommodates a second heat exchanger 5;
a water outlet pipeline I61 and a return pipeline I71 are connected between the water tank I6 and the water tank II 7, wherein a water pump I611 is arranged on the water outlet pipeline I61, and a one-way valve 711 is arranged on the return pipeline I71;
as shown in fig. 2, air is introduced by an air guide fan to exchange heat with an evaporator 1, a refrigerant in the evaporator 1 absorbs low heat in the air to vaporize, the vaporized refrigerant passes through a compressor 2 to increase the temperature and pressure of the vapor refrigerant, and then enters a heat exchanger one 3 to heat water in a water tank one 6, the temperature of the heated refrigerant is reduced, a part of the vaporized refrigerant is changed into a liquid refrigerant, when the vaporized refrigerant passes through a capillary tube 4, the capillary tube 4 is matched with air blown out of the evaporator 1 after heat exchange, the temperature of the refrigerant is further reduced, the refrigerant is completely changed into the liquid refrigerant, the refrigerant enters a heat exchanger two 5 to refrigerate water in a water tank two 7, after flowing out of the heat exchanger two 5, the temperature and pressure of the refrigerant are reduced through a throttle valve, and the refrigerant enters the evaporator 1 again, so that the water tank one 6 is a hot water tank, the water tank two 7 is a cold water tank, the first water tank 6 injects hot water into the second water tank 7 by the low power of the first water pump 611, and meanwhile, cold water in the second water tank 7 is extruded to flow into the first water tank 6 along the first return pipeline 71, so that the temperature of the water in the first water tank 6 is prevented from being too high and the temperature of the water in the second water tank 7 is prevented from being too low, and the temperature of the water in the first water tank 6 and the temperature of the water in the second water tank 7 are adjusted by changing the power of the first water pump 611;
the fan coil 8 is communicated with the first water tank 6 and the second water tank 7 through a second water outlet pipe 81 and a second return pipe 83;
the water outlet pipe II 81 is divided into three sections, namely a pipeline A1, a pipeline B1 and a pipeline C1, the pipeline A1 is communicated with the water tank II 7, the pipeline B1 is communicated with the fan coil 8, the pipeline C1 is communicated with the water tank I6, the pipeline A1, the pipeline B1 and the pipeline C1 are communicated through a three-way valve I82, and an electromagnetic valve 811 is arranged at the communication position of the pipeline A1 and the water tank II 7;
the second return pipe 83 is divided into three sections, namely a pipeline D1, a pipeline E1 and a pipeline F1, the pipeline D1 is communicated with the second water tank 7, the pipeline E1 is communicated with the fan coil 8, the pipeline F1 is communicated with the first water tank 6, and the pipeline D1, the pipeline E1 and the pipeline F1 are communicated through a second three-way valve 84;
the floor heating circulating pipeline 9 is communicated with the first water tank 6 and the second water tank 7 through a third water outlet pipe 91 and a third return pipe 93;
the third water outlet pipe 91 is divided into three sections, namely a pipeline A2, a pipeline B2 and a pipeline C2, the pipeline A2 is communicated with the second water tank 7, the pipeline B2 is communicated with the floor heating circulating pipeline 9, the pipeline C2 is communicated with the first water tank 6, the pipeline A2, the pipeline B2 and the pipeline C2 are communicated through a third three-way valve 92, and an electric valve 911 is arranged at the communication position of the pipeline C2 and the first water tank 6;
the third return pipe 93 is divided into three sections, namely a pipeline D2, a pipeline E2 and a pipeline F2, the pipeline D2 is communicated with a second water tank 7, the pipeline E2 is communicated with a floor heating circulation pipeline 9, the pipeline F2 is communicated with a first water tank 6, the pipeline D2, the pipeline E2 and the pipeline F2 are communicated through a fourth three-way valve 94, and a second water pump 931 is arranged at the communication position of the E2 and the floor heating circulation pipeline 9.
Preferably, as an implementation mode, when the floor heating circulation pipeline 9 is refrigerated, if the refrigerated temperature is too low, the three ports of the three-way valve 92 are all opened by half opening the electric valve 911 and allowing a small amount of hot water and cold water to flow into the floor heating circulation pipeline 9 in a mixed manner, so as to adjust the conduction temperature of the floor heating circulation pipeline 9.
Preferably, as an embodiment, another throttle is provided in front of the capillary tube 4 along the refrigerant flowing direction, for the purpose of further reducing the temperature and pressure of the refrigerant through the another throttle when the refrigerant flows out from the capillary tube 4.
Preferably, as an implementation manner, when the first water pump 611 senses that the temperature of the water in the first water tank 6 is too high through the temperature sensor, the first water pump 611 is started to allow the water in the first water tank 6 and the water in the second water tank 7 to flow mutually, so as to prevent the temperature of the water in the first water tank 6 from being too high and the temperature of the water in the second water tank 7 from being too low.
The working principle of the invention is as follows:
when the fan coil 8 and the floor heating circulation pipeline 9 refrigerate together, as shown in fig. 3, the pipeline a1 and the pipeline B1 of the second water outlet pipe 81 are communicated by the first three-way valve 82, the pipeline D1 and the pipeline E1 of the second return pipe 83 are communicated by the second three-way valve 84, cold water in the second water tank 7 enters the fan coil 8 through the second water outlet pipe 81, exchanges heat with sucked air, and then flows back to the second water tank 7 along the second return pipe 83, the pipeline a2 and the pipeline B2 of the third water outlet pipe 91 are communicated by the third three-way valve 92, the pipeline D2 and the pipeline E2 of the third return pipe 93 are communicated by the fourth three-way valve 94, cold water in the second water tank 7 enters the floor heating circulation pipeline 9 through the third water outlet pipe 91, so as to refrigerate the ground, water in the floor heating circulation pipeline 9 is pumped out through the second water pump 931, enters the second water tank 7 through the third return pipe 93, if the fan coil 8 is required to be independently refrigerated, the pipeline B2 of the water outlet pipeline III 91 is communicated with the pipeline C2, the electric valve 911 is closed, the fan coil 8 is independently subjected to heat exchange with air, and if the floor heating circulating pipeline 9 is required to be independently refrigerated, the electromagnetic valve 811 is closed, and the floor heating circulating pipeline 9 is independently used for refrigerating the ground; when the fan coil 8 and the floor heating circulating pipeline 9 are used for heating together, as shown in fig. 4, the three-way valve 82 is communicated with the pipeline B1 and the pipeline C1 of the water outlet pipe two 81, the three-way valve 84 is communicated with the pipeline E1 and the pipeline F1 of the water return pipe two 83, hot water in the water tank one 6 enters the fan coil 8 through the water outlet pipe two 81, exchanges heat with sucked air and flows back to the water tank one 6 along the return pipe two 83, meanwhile, the three-way valve three 92 is communicated with the pipeline B2 and the pipeline C2 of the water outlet pipe three 91, the three-way valve four 94 is communicated with the pipeline E2 and the pipeline F2 of the return pipe three 93, hot water in the water tank one 6 enters the floor heating circulating pipeline 9 through the water outlet pipe three 91 to heat the ground, then hot water in the floor heating circulating pipeline 9 is pumped out through the water pump two 931 and enters the water tank one 6 along the return pipe three 93, hot, if the fan coil 8 is needed to be heated independently, the electric valve 911 is closed, the fan coil 8 is used for exchanging heat with air independently, if the floor heating circulating pipeline 9 is needed to be heated independently, the three-way valve I82 is communicated with the pipeline A1 and the pipeline B1 of the water outlet pipeline II 91, the electromagnetic valve 811 is closed, and the floor heating circulating pipeline 9 is used for heating the ground independently; when the fan coil 8 refrigerates and the floor heating circulation pipeline 9 heats, as shown in fig. 5-6, the pipeline a1 and the pipeline B1 of the second water outlet pipe 81 are communicated by the first three-way valve 82, the pipeline D1 and the pipeline E1 of the second return pipe 83 are communicated by the second three-way valve 84, cold water in the second water tank 7 enters the fan coil 8 through the second water outlet pipe 81 to exchange heat with sucked air and then flows back to the second water tank 7 along the second return pipe 83, the pipeline B2 and the pipeline C2 of the third water outlet pipe 91 are communicated by the third three-way valve 92, the pipeline E2 and the pipeline F2 of the third return pipe 93 are communicated by the fourth three-way valve 94, hot water in the first water tank 6 enters the floor heating circulation pipeline 9 through the third water outlet pipe 91 to heat the ground, water in the floor heating circulation pipeline 9 is pumped out through the second water pump 931 and enters the first water tank 6 along the third return pipe 93, through changing the power of the first water pump 611, the water injection amount from the first water tank 6 to the second water tank 7 is increased, the temperature of water in the second water tank 7 is increased, and therefore the air outlet temperature of the fan coil 8 is increased.
Claims (2)
1. Integrated equipment warms up central air conditioning includes: the system comprises an evaporator (1), a compressor (2), a first heat exchanger (3), a capillary tube (4), a second heat exchanger (5), a first water tank (6), a second water tank (7), a fan coil (8) and a floor heating circulating pipeline (9);
the method is characterized in that:
the evaporator (1) is sequentially connected with the compressor (2), the first heat exchanger (3), the capillary tube (4), the second heat exchanger (5) and the throttle valve along the refrigerant flowing direction;
the first water tank (6) accommodates the first heat exchanger (3); the second water tank (7) accommodates a second heat exchanger (5); a water outlet pipeline I (61) and a return pipeline I (71) are connected between the water tank I (6) and the water tank II (7), wherein a water pump I (611) is arranged on the water outlet pipeline I (61), and a one-way valve (711) is arranged on the return pipeline I (71);
the fan coil (8) is communicated with the first water tank (6) and the second water tank (7) through a second water outlet pipe (81) and a second return pipe (83);
the water outlet pipe II (81) is divided into three sections, namely a pipeline A1, a pipeline B1 and a pipeline C1, the pipeline A1 is communicated with the water tank II (7), the pipeline B1 is communicated with the fan coil (8), the pipeline C1 is communicated with the water tank I (6), the pipeline A1, the pipeline B1 and the pipeline C1 are communicated through a three-way valve I (82), and an electromagnetic valve (811) is arranged at the communication position of the pipeline A1 and the water tank II (7);
the second return pipe (83) is divided into three sections, namely a pipeline D1, a pipeline E1 and a pipeline F1, the pipeline D1 is communicated with the second water tank (7), the pipeline E1 is communicated with the fan coil (8), the pipeline F1 is communicated with the first water tank (6), and the pipeline D1, the pipeline E1 and the pipeline F1 are communicated through a second three-way valve (84);
the floor heating circulating pipeline (9) is communicated with the first water tank (6) and the second water tank (7) through a third water outlet pipe (91) and a third return pipe (93);
the third water outlet pipe (91) is divided into three sections, namely a pipeline A2, a pipeline B2 and a pipeline C2, the pipeline A2 is communicated with the second water tank (7), the pipeline B2 is communicated with the floor heating circulating pipeline (9), the pipeline C2 is communicated with the first water tank (6), the pipeline A2, the pipeline B2 and the pipeline C2 are communicated through a third three-way valve (92), and an electric valve (911) is arranged at the communication position of the pipeline C2 and the first water tank (6);
the third return pipe (93) is divided into three sections, namely a pipeline D2, a pipeline E2 and a pipeline F2, the pipeline D2 is communicated with the second water tank (7), the pipeline E2 is communicated with the floor heating circulation pipeline (9), the pipeline F2 is communicated with the first water tank (6), the pipeline D2, the pipeline E2 and the pipeline F2 are communicated through a fourth three-way valve (94), and a second water pump (931) is arranged at the communication position of the E2 and the floor heating circulation pipeline (9);
when the refrigerant in the evaporator (1) exchanges heat with air, the first heat exchanger (3) heats the first water tank (6), the temperature of the refrigerant is reduced through the capillary tube, the second water tank (7) is refrigerated through the second heat exchanger (5), and the fan coil (8) and the floor heating circulating pipeline (9) are communicated with the first water tank (6) and the second water tank (7).
2. The integrated equipment machine warms up central air conditioning according to claim 1, its characterized in that: when the floor heating circulation pipeline (9) is used for refrigerating, if the refrigerating temperature is too low, the three ports of the three-way valve III (92) are all opened by half opening the electric valve (911), and a small amount of hot water and cold water are mixed and flow into the floor heating circulation pipeline (9).
3. The integrated central air-conditioning and floor heating equipment of claim 1, which is characterized in that: another throttle valve is arranged in front of the capillary tube (4) along the flowing direction of the refrigerant.
4. The integrated central air-conditioning and floor heating equipment of claim 1, which is characterized in that: when the first water pump (611) senses that the temperature of water in the first water tank (6) is too high through the temperature sensor, the first water pump (611) is started, and the water in the first water tank (6) and the water in the second water tank (7) flow mutually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911260509.9A CN110906483B (en) | 2019-12-10 | 2019-12-10 | Integrated equipment warms up central air conditioning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911260509.9A CN110906483B (en) | 2019-12-10 | 2019-12-10 | Integrated equipment warms up central air conditioning |
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| Publication Number | Publication Date |
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| CN110906483A CN110906483A (en) | 2020-03-24 |
| CN110906483B true CN110906483B (en) | 2021-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911260509.9A Active CN110906483B (en) | 2019-12-10 | 2019-12-10 | Integrated equipment warms up central air conditioning |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117469746A (en) * | 2023-12-27 | 2024-01-30 | 珠海格力电器股份有限公司 | Semiconductor fan and control method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1067112A (en) * | 1991-05-21 | 1992-12-16 | 深山健树 | heating and refrigerating system |
| CN2639777Y (en) * | 2003-06-18 | 2004-09-08 | 孙海宁 | Air conditioning water heater |
| CN103968599A (en) * | 2013-01-29 | 2014-08-06 | 广州天河兰石技术开发有限公司 | Energy-saving cold and heat source water supply system |
| CN203880995U (en) * | 2014-05-06 | 2014-10-15 | 芜湖迪瑞机械制造有限公司 | Multifunctional central air conditioner |
| TW201604498A (en) * | 2014-07-24 | 2016-02-01 | jin-yi Qiu | Air conditioning system |
-
2019
- 2019-12-10 CN CN201911260509.9A patent/CN110906483B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1067112A (en) * | 1991-05-21 | 1992-12-16 | 深山健树 | heating and refrigerating system |
| CN2639777Y (en) * | 2003-06-18 | 2004-09-08 | 孙海宁 | Air conditioning water heater |
| CN103968599A (en) * | 2013-01-29 | 2014-08-06 | 广州天河兰石技术开发有限公司 | Energy-saving cold and heat source water supply system |
| CN203880995U (en) * | 2014-05-06 | 2014-10-15 | 芜湖迪瑞机械制造有限公司 | Multifunctional central air conditioner |
| TW201604498A (en) * | 2014-07-24 | 2016-02-01 | jin-yi Qiu | Air conditioning system |
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| CN110906483A (en) | 2020-03-24 |
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| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 334000, 1st floor, Building 2, No. 66 Chuangye Avenue, Chating Economic Development Zone, Guangxin District, Shangrao City, Jiangxi Province Patentee after: HAIPU ELECTRICAL APPLIANCE Co.,Ltd. Address before: 225775 room 122, No.9 standard workshop, area a, south of Meilan West Road and west of taixiang Road, Taizhou Economic Development Zone, Jiangsu Province Patentee before: HAIPU ELECTRICAL APPLIANCE Co.,Ltd. |