CN111912039B - Device for cooling air conditioner outdoor unit by using condensate water - Google Patents
Device for cooling air conditioner outdoor unit by using condensate water Download PDFInfo
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- CN111912039B CN111912039B CN202010781115.4A CN202010781115A CN111912039B CN 111912039 B CN111912039 B CN 111912039B CN 202010781115 A CN202010781115 A CN 202010781115A CN 111912039 B CN111912039 B CN 111912039B
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- wall
- water
- air conditioner
- fixedly connected
- outdoor unit
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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
- F24F1/42—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger characterised by the use of the condensate, e.g. for enhanced cooling
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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
- F24F1/14—Heat exchangers specially adapted for separate outdoor units
- F24F1/18—Heat exchangers specially adapted for separate outdoor units characterised by their shape
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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
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F13/222—Means for preventing condensation or evacuating condensate for evacuating condensate
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
The invention belongs to the technical field of air conditioners, in particular to a device for cooling an air conditioner outdoor unit by utilizing condensed water, and provides the following scheme aiming at the problems in the prior art. The invention reduces the temperature of the air entering the air conditioner external unit, prevents the condensed water from being wasted, reduces the energy consumption of the air conditioner external unit during working, can improve the evaporation efficiency of a water film, further can improve the efficiency of cooling the air in the heat exchange pipe, can improve the flow stroke of the air in the heat exchange pipe, and further can improve the cooling effect of the air.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to a device for cooling an air conditioner outdoor unit by utilizing condensed water.
Background
With the continuous aggravation of the greenhouse effect of the earth atmosphere, the outdoor temperature is higher and higher in summer, so people generally need to use an air conditioner to cool the indoor space.
When the air conditioner is refrigerating, the condenser in the air conditioner outer unit exchanges heat with high-temperature high-pressure liquid Freon with the air outdoors, and the high-temperature high-pressure liquid Freon is changed into low-temperature high-pressure liquid Freon.
Disclosure of Invention
Based on the technical problems in the prior art, the invention provides a device for cooling an air conditioner outdoor unit by using condensed water.
The invention provides a device for cooling an air conditioner outdoor unit by utilizing condensed water, which comprises the air conditioner outdoor unit, wherein a water storage tank is arranged at the bottom of the air conditioner outdoor unit, a supporting block is fixedly connected to the outer wall of the top of the water storage tank, the air conditioner outdoor unit is fixedly arranged on the outer wall of the top of the supporting block, the water outlet end of the air conditioner outdoor unit is connected with an outdoor unit water drain pipe, one end of the outdoor unit water drain pipe is connected with a liquid drain pipe and a first water guide pipe through a flow divider, the other end of the first water guide pipe is inserted into the outer wall of the top of the water storage tank, the outer wall of the side surface of the liquid drain pipe is provided with a third electromagnetic valve, the outer wall of the side surface of the first water guide pipe is provided with a second electromagnetic valve, the outer wall of the top of the water storage tank is fixedly connected with a cooling shell, the outer wall of the side surface of the cooling shell facing the air conditioner outdoor unit is fixedly connected with a housing matched with the air inlet end of the air conditioner outdoor unit, and the inner wall of the side surface of the cooling shell is fixedly connected with at least six heat exchange pipes distributed in a V shape, and the one end of heat exchange tube extends to the inside of housing, and the other end of heat exchange tube extends to the outside of cooling shell, the equal fixedly connected with of the top inner wall both sides of cooling shell spouts the water shell, and the bottom outer wall fixedly connected with of spraying the water shell four at least evenly distributed's nozzle, the top outer wall fixedly connected with pump box of storage water tank, and the inside fixedly connected with suction pump of pump box, the end of intaking of suction pump is connected with the suction pipe that inserts the storage water tank inside, and the play water end of suction pump is connected with the honeycomb duct, and the one end of honeycomb duct is pegged graft in the side outer wall of spouting the water shell.
Preferably, the heat exchange tube is of an S-shaped tubular structure, and the horizontal height of one end of the heat exchange tube facing the air conditioner external unit is higher than that of the other end.
Preferably, one side of the outer wall of the bottom of the heat exchange tube, which is close to the air conditioner external unit, is fixedly connected with a downcomer communicated with the heat exchange tube, the bottom of the downcomer extends to the inside of the water storage tank, and the outer wall of the top of the water storage tank, which is located below the cooling shell, is provided with a water leakage net.
Preferably, a side frame is fixedly connected to the outer wall of the side surface of the cooling shell, which is far away from the air conditioner outdoor unit, and a louver with a downward inclination is arranged on the outer wall of one side of the side frame.
Preferably, the top outer wall of cooling shell is opened has at least one evenly distributed fan hole, and the side inner wall fixedly connected with fan of blowing in fan hole, and one side outer wall of cooling shell is opened has the air-out groove.
Preferably, the equal fixedly connected with backup pad in top outer wall both sides of cooling shell, and the top outer wall fixedly connected with ceiling of backup pad, the top outer wall fixedly connected with solar cell panel of ceiling, one side outer wall fixedly connected with power supply shell of cooling shell.
Preferably, a liquid level sensor is inserted into the inner wall of the side face of the water storage tank, and a second liquid level and a first liquid level which are distributed up and down are arranged on the liquid level sensor.
Preferably, a water inlet pipe is inserted into one side of the outer wall of the top of the water storage tank, the water inlet pipe is externally connected with a water supply source, and a first electromagnetic valve is arranged on the outer wall of the side face of the water inlet pipe.
The beneficial effects of the invention are as follows:
1. through setting up storage water tank and heat exchange tube, the water tank can be collected to the comdenstion water that the outer machine of air conditioner produced, the water suction in with the storage water tank by the suction pump again spouts and sprays on the heat exchange tube surface in the water spray shell and by the nozzle blowout, and then at the heat exchange tube surface formation water film, the water film evaporation then can the heat absorption, and then can cool down the inside air of heat exchange tube, then make the air temperature who enters into the outer machine of air conditioner reduce, make the comdenstion water can not wasted, the energy consumption of the outer machine during operation of air conditioner has been reduced.
2. Through setting up the fan of blowing, set up the fan of blowing at the top of cooling shell, the fan working energy of blowing drives the flow of the surperficial air of heat transfer pipe, and then can improve the evaporation efficiency of water film, and then can improve the efficiency to the air cooling in the heat transfer pipe.
3. The heat exchange tube is arranged to be of the S-shaped structure, the surface area of the heat exchange tube can be increased through the heat exchange tube of the S-shaped structure, the flowing stroke of air inside the heat exchange tube can be increased, and the air cooling effect can be improved.
4. Through setting up the downcomer, set up the downcomer in the bottom that the heat exchange tube is close to outer quick-witted one side of air conditioner, the air is cooled down in the heat exchange tube inside and the comdenstion water that produces often then can flow down along the heat exchange tube to flow into the water storage tank by the downcomer, and then the comdenstion water that produces when preventing the air cooling enters into outer machine, and can carry out reuse to the comdenstion water, has saved the water resource.
5. Through setting up side frame and shutter, set up the side frame in the air intake department of heat exchange tube, set up the shutter in one side of side frame, the shutter slope sets up down, and then can prevent during the rainy day rainwater enters into the heat exchange tube.
6. Through setting up level sensor, then can detect the water level in the storage tank through level sensor, when the storage tank normal water is more, the outer machine exhaust comdenstion water of air conditioner then outwards discharges, prevents that the storage tank normal water from spilling over, when the storage tank normal water is moderate, then supplies water to the water in the storage tank by the outer machine exhaust comdenstion water of air conditioner, when the water in the storage tank is less, then carries out the moisturizing by the external world to the storage tank, prevents that the storage tank normal water is not enough.
Drawings
Fig. 1 is a schematic view of an overall structure of an apparatus for cooling an external unit of an air conditioner using condensed water according to the present invention;
fig. 2 is a partial sectional view of the overall structure of a device for cooling an external unit of an air conditioner using condensed water according to the present invention;
fig. 3 is a partial sectional view of a water storage tank of a device for cooling an outdoor unit of an air conditioner by using condensed water according to the present invention;
fig. 4 is a cross-sectional view of a heat exchange tube structure of a device for cooling an external unit of an air conditioner by using condensed water according to the present invention;
fig. 5 is a flowchart illustrating a working process of a liquid level sensor of a device for cooling an external unit of an air conditioner by using condensed water according to the present invention.
In the figure: 1-air conditioner outdoor unit, 2-power supply shell, 3-support plate, 4-ceiling, 5-solar panel, 6-blowing fan, 7-side frame, 8-louver, 9-cooling shell, 10-first electromagnetic valve, 11-water inlet pipe, 12-guide pipe, 13-pump box, 14-water storage tank, 15-support block, 16-water spraying shell, 17-nozzle, 18-cover shell, 19-water leakage net, 20-air outlet groove, 21-sewer pipe, 22-outdoor unit drain pipe, 23-first water guide pipe, 24-third electromagnetic valve, 25-liquid discharge pipe, 26-first liquid level, 27-liquid level sensor, 28-second liquid level, 29-second electromagnetic valve and 30-heat exchange pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-5, a device for cooling an air conditioner outdoor unit by using condensed water comprises an air conditioner outdoor unit 1, a water storage tank 14 is arranged at the bottom of the air conditioner outdoor unit 1, a supporting block 15 is fixedly connected to the top outer wall of the water storage tank 14, the air conditioner outdoor unit 1 is fixedly installed on the top outer wall of the supporting block 15, an outdoor unit drain pipe 22 is connected to the water outlet end of the air conditioner outdoor unit 1, one end of the outdoor unit drain pipe 22 is connected with a drain pipe 25 and a first water guide pipe 23 through a flow divider, the other end of the first water guide pipe 23 is inserted into the top outer wall of the water storage tank 14, a third electromagnetic valve 24 is arranged on the side outer wall of the drain pipe 25, a second electromagnetic valve 29 is arranged on the side outer wall of the first water guide pipe 23, a cooling shell 9 is fixedly connected to the top outer wall of the water storage tank 14, and a cover 18 matched with the air inlet end of the air conditioner outdoor unit 1 is fixedly connected to the side outer wall of the cooling shell 9 facing the air conditioner outdoor unit 1, the side inner wall fixedly connected with of cooling shell 9 is six at least heat exchange tubes 30 that are V-arrangement and distribute, and the one end of heat exchange tube 30 extends to the inside of housing 18, the other end of heat exchange tube 30 extends to the outside of cooling shell 9, the equal fixedly connected with in top inner wall both sides of cooling shell 9 spouts water shell 16, and the bottom outer wall fixedly connected with of spraying water shell 16 has four at least evenly distributed's nozzle 17, the top outer wall fixedly connected with pump box 13 of storage water tank 14, and the inside fixedly connected with suction pump of pump box 13, the end of intaking of suction pump is connected with the suction pipe that inserts storage water tank 14 inside, the play water end of suction pump is connected with honeycomb duct 12, the one end of honeycomb duct 12 is pegged graft in the side outer wall of spouting water shell 16.
In the present invention, the heat exchange pipe 30 has an S-shaped tubular structure, and one end of the heat exchange pipe 30 facing the air conditioner external unit 1 has a higher horizontal height than the other end.
Wherein, one side of the outer wall of the bottom of the heat exchange pipe 30 close to the air conditioner outdoor unit 1 is fixedly connected with a downcomer 21 communicated with the heat exchange pipe 30, the bottom of the downcomer 21 extends to the inside of the water storage tank 14, and the outer wall of the top of the water storage tank 14 below the cooling shell 9 is provided with a water leakage net 19.
Wherein, the side outer wall of the cooling shell 9 far away from the air conditioner external unit 1 is fixedly connected with a side frame 7, and the outer wall of one side of the side frame 7 is provided with a louver 8 which inclines downwards.
Wherein, the top outer wall of cooling shell 9 is opened and is had at least one evenly distributed fan hole, and the side inner wall fixedly connected with fan 6 of blowing in fan hole, and one side outer wall of cooling shell 9 is opened has air-out groove 20.
Wherein, the equal fixedly connected with backup pad 3 in top outer wall both sides of cooling shell 9, and the top outer wall fixedly connected with ceiling 4 of backup pad 3, the top outer wall fixedly connected with solar cell panel 5 of ceiling 4, one side outer wall fixedly connected with power supply shell 2 of cooling shell 9.
Wherein, the side inner wall of storage water tank 14 is pegged graft and is had level sensor 27, and is provided with second liquid level 28 and the first liquid level 26 that distributes from top to bottom on level sensor 27.
Wherein, a water inlet pipe 11 is inserted into one side of the outer wall of the top of the water storage tank 14, the water inlet pipe 11 is externally connected with a water supply source, and the outer wall of the side surface of the water inlet pipe 11 is provided with a first electromagnetic valve 10.
The air conditioner external unit 1 shown in fig. 1 and 2 is a back air inlet type air conditioner external unit, when the side air inlet type air conditioner external unit needs to be cooled, the air conditioner external unit 1 can be installed by arranging different support blocks 15, a water supply source is externally connected to a water inlet pipe 11, when the external temperature is low, the device does not work, the external air enters an air inlet of the air conditioner external unit 1 through a heat exchange pipe 30 to supply air for the air conditioner external unit 1 normally, condensed water discharged by the air conditioner external unit 1 is normally discharged to the outside through a liquid discharge pipe 25, when the external temperature is high, water in a water storage tank 14 is pumped out by a water suction pump and enters a water spraying shell 16, then the water is sprayed on the surface of the heat exchange pipe 30 through a nozzle 17 to form a water film, the air on the surface of the heat exchange pipe 30 flows by the operation of a blowing fan 6, so that the water film on the surface of the heat exchange pipe 30 is evaporated and absorbs heat, and the air inside the heat exchange pipe 30 is cooled, further, the air entering the air conditioner outdoor unit 1 is cooled, the energy consumption of the air conditioner outdoor unit 1 is reduced, condensed water generated when the air is cooled in the heat exchange pipe 30 falls into the water storage tank 14 through the sewer pipe 21, the condensed water generated when the air conditioner outdoor unit 1 works falls into the water storage tank 14 through the first water guide pipe 23, the water level in the water storage tank 14 can be detected through the liquid level sensor 27, when the liquid level in the water storage tank 14 is lower than a first liquid level 26, the first electromagnetic valve 10 is opened, the water storage tank 14 is replenished by the outside, when the liquid level in the water storage tank 14 is between the first liquid level 26 and a second liquid level 28, the outside water source stops supplying water, the condensed water generated by the air conditioner outdoor unit 1 and the condensed water generated when the air is cooled in the heat exchange pipe 30 supply water into the water storage tank 14, when the liquid level in the water storage tank 14 is higher than the second liquid level 28, the second electromagnetic valve 29 is closed, the condensed water produced by the air conditioner outdoor unit 1 is discharged by the liquid discharge pipe 25, so that the water in the water storage tank 14 is prevented from overflowing, the solar panel 5 can convert solar energy into electric energy and store the electric energy into the power supply shell 2, the energy is saved, and the louver 8 can prevent rainwater from entering the heat exchange pipe 30 in rainy days.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (4)
1. A device for cooling an air conditioner outdoor unit by utilizing condensed water comprises the air conditioner outdoor unit (1) and is characterized in that a water storage tank (14) is arranged at the bottom of the air conditioner outdoor unit (1), a supporting block (15) is fixedly connected to the outer wall of the top of the water storage tank (14), the air conditioner outdoor unit (1) is fixedly installed on the outer wall of the top of the supporting block (15), the water outlet end of the air conditioner outdoor unit (1) is connected with an outdoor unit drain pipe (22), one end of the outdoor unit drain pipe (22) is connected with a liquid discharge pipe (25) and a first water guide pipe (23) through a flow divider, the other end of the first water guide pipe (23) is inserted into the outer wall of the top of the water storage tank (14), a third electromagnetic valve (24) is arranged on the outer wall of the side face of the liquid discharge pipe (25), a second electromagnetic valve (29) is arranged on the outer wall of the side face of the first water guide pipe (23), and a cooling shell (9) is fixedly connected to the outer wall of the top of the water storage tank (14), and the side outer wall of the cooling shell (9) facing one side of the air conditioner external unit (1) is fixedly connected with a housing (18) matched with the air inlet end of the air conditioner external unit (1), the side inner wall of the cooling shell (9) is fixedly connected with at least six heat exchange tubes (30) distributed in a V shape, one end of each heat exchange tube (30) extends into the housing (18), the other end of each heat exchange tube (30) extends to the outside of the cooling shell (9), both sides of the top inner wall of the cooling shell (9) are fixedly connected with a water spraying shell (16), the bottom outer wall of the water spraying shell (16) is fixedly connected with at least four nozzles (17) uniformly distributed, the top outer wall of the water storage tank (14) is fixedly connected with a pump box (13), the inside of the pump box (13) is fixedly connected with a water suction pump, the water inlet end of the water suction pump is connected with a water suction pipe inserted into the water storage tank (14), and the water outlet end of the water suction pump is connected with a flow guide pipe (12), one end of the draft tube (12) is inserted into the outer wall of the side surface of the water spraying shell (16);
the heat exchange tube (30) is of an S-shaped tubular structure, and the horizontal height of one end, facing the air conditioner external unit (1), of the heat exchange tube (30) is higher than that of the other end;
one side, close to the air conditioner outdoor unit (1), of the outer wall at the bottom of the heat exchange pipe (30) is fixedly connected with a sewer pipe (21) communicated with the heat exchange pipe (30), the bottom of the sewer pipe (21) extends into the water storage tank (14), and a water leakage net (19) is arranged on the outer wall of the top of the water storage tank (14) below the cooling shell (9);
the outer wall of the top of the cooling shell (9) is provided with at least one fan hole which is uniformly distributed, the inner wall of the side surface of each fan hole is fixedly connected with a blowing fan (6), and the outer wall of one side of the cooling shell (9) is provided with an air outlet groove (20);
a water inlet pipe (11) is inserted into one side of the outer wall of the top of the water storage tank (14), the water inlet pipe (11) is externally connected with a water supply source, and a first electromagnetic valve (10) is arranged on the outer wall of the side face of the water inlet pipe (11).
2. The device for cooling an outdoor unit of an air conditioner by using condensed water as claimed in claim 1, wherein a side frame (7) is fixedly connected to an outer wall of a side of the cooling casing (9) far away from the outdoor unit (1) of the air conditioner, and a louver (8) inclined downward is disposed on an outer wall of a side of the side frame (7).
3. The device for cooling an outdoor unit of an air conditioner by using condensed water as claimed in claim 1, wherein the supporting plate (3) is fixedly connected to both sides of the top outer wall of the cooling casing (9), the ceiling (4) is fixedly connected to the top outer wall of the supporting plate (3), the solar cell panel (5) is fixedly connected to the top outer wall of the ceiling (4), and the power supply casing (2) is fixedly connected to the outer wall of one side of the cooling casing (9).
4. The device for cooling an outdoor unit of an air conditioner by using condensed water as claimed in claim 1, wherein a liquid level sensor (27) is inserted into an inner side wall of the water storage tank (14), and a second liquid level (28) and a first liquid level (26) are disposed on the liquid level sensor (27) in an up-and-down manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010781115.4A CN111912039B (en) | 2020-08-06 | 2020-08-06 | Device for cooling air conditioner outdoor unit by using condensate water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010781115.4A CN111912039B (en) | 2020-08-06 | 2020-08-06 | Device for cooling air conditioner outdoor unit by using condensate water |
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| Publication Number | Publication Date |
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| CN111912039A CN111912039A (en) | 2020-11-10 |
| CN111912039B true CN111912039B (en) | 2021-12-28 |
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| CN202010781115.4A Active CN111912039B (en) | 2020-08-06 | 2020-08-06 | Device for cooling air conditioner outdoor unit by using condensate water |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112594914B (en) * | 2020-12-20 | 2022-04-19 | 白军林 | Heat radiation structure of air conditioning unit |
| CN113294848B (en) * | 2021-05-17 | 2022-09-27 | 南京科达新控仪表有限公司 | Cooling device for air conditioning unit |
| CN113606676B (en) * | 2021-10-09 | 2021-12-24 | 南通华信中央空调有限公司 | Central air conditioning atomizing energy-saving equipment |
| CN117781363B (en) * | 2024-02-27 | 2024-05-03 | 山东倍麟能源工程有限公司 | Water circulation energy-saving device for air conditioner refrigeration |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015021635A (en) * | 2013-07-16 | 2015-02-02 | 株式会社東芝 | Air conditioner |
| CN107631378A (en) * | 2016-07-19 | 2018-01-26 | 天津玛莉盖莎科技有限公司 | A kind of protective cover of achievable outdoor machine of air-conditioner high efficiency and heat radiation |
| CN207635585U (en) * | 2017-12-23 | 2018-07-20 | 深圳市众智空调设备有限公司 | Condensate water recovery device of air conditioner |
| CN209910056U (en) * | 2019-05-08 | 2020-01-07 | 大连鼎新科技发展有限公司 | Energy-saving precision air conditioner |
| CN210568882U (en) * | 2019-08-27 | 2020-05-19 | 安徽众仝环境工程有限公司 | Energy-saving and environment-friendly air conditioner capable of recycling condensed water |
| CN110940082A (en) * | 2019-12-13 | 2020-03-31 | 杭州骏辉贸易有限公司 | Air conditioner condensate water recycling and circulating cooling device |
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Effective date of registration: 20211207 Address after: 510000 Room C, room 1310, room a, room 1311, No. 108, Huangpu Avenue West Road, Tianhe District, Guangzhou, Guangdong Applicant after: GUANGZHOU GOLCOM ENERGY CONSERVATION TECHNOLOGY CO.,LTD. Address before: 430068 School of electrical and electronic engineering, Hubei University of technology, No. 28, Nanli Road, Hongshan District, Wuhan City, Hubei Province Applicant before: Hou Wenming |
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