CN215675384U - Building energy supplementing system - Google Patents
Building energy supplementing system Download PDFInfo
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- CN215675384U CN215675384U CN202121819589.XU CN202121819589U CN215675384U CN 215675384 U CN215675384 U CN 215675384U CN 202121819589 U CN202121819589 U CN 202121819589U CN 215675384 U CN215675384 U CN 215675384U
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- 230000001502 supplementing effect Effects 0.000 title claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 218
- 238000010438 heat treatment Methods 0.000 claims abstract description 19
- 239000008236 heating water Substances 0.000 claims description 17
- 238000005485 electric heating Methods 0.000 claims description 8
- 230000008901 benefit Effects 0.000 abstract description 6
- 229910052799 carbon Inorganic materials 0.000 abstract description 4
- 239000013589 supplement Substances 0.000 abstract description 3
- 238000005057 refrigeration Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 4
- 238000004134 energy conservation Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000002803 fossil fuel Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000020004 porter Nutrition 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
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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]
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- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The utility model discloses a building energy supplementing system, which comprises: the air source heat pump is used for heating or refrigerating water in the air source heat pump; the municipal water supply system is communicated with the air source heat pump and the water storage tank; the heat exchanger is communicated with the air source heat pump and the water supply circulating pipeline; the water storage tank is communicated with the heat exchanger through a water supply circulating pipeline and is communicated with a municipal water supply system; the solar heat collector is communicated with the water storage tank through a heat medium water supply pipe and a heat medium water return pipe, and the heat medium water supply pipe is provided with a first circulating pump device. The system provided by the utility model has the advantages that solar energy and air energy are combined and complemented, the operation cost is reduced by mutual switching, the requirements of hot water, heating and refrigeration are met, and the low-carbon energy supplement is realized.
Description
Technical Field
The utility model belongs to the technical field of hot water supply and control, and particularly relates to a building energy supplementing system.
Background
In order to deal with the increasingly severe environmental situations such as energy crisis, environmental deterioration and global warming, the problem that how to reduce the building energy consumption and reduce the emission of greenhouse gases such as carbon dioxide and the like is urgently needed to be solved in the building industry at present is sought while replacing the conventional fossil fuel. Therefore, zero energy buildings are of great interest.
Zero energy buildings (zero energy conservation buildings) do not consume conventional energy, and completely depend on solar energy or other renewable energy sources. The common aim is to reduce the emission of carbon dioxide from energy-saving buildings, green buildings, ecological buildings and sustainable concepts to the recent low carbon. However, the existing zero energy consumption building is difficult to be completely energy-free and needs certain supplement, and the existing system for supplementing energy to the building mainly depends on energy conversion of fossil fuel, so that the low-carbon requirement of the zero energy consumption building cannot be met.
Solar energy is widely distributed and inexhaustible clean energy, and is highly valued by people, and the application field of a solar heat collector is not limited to providing domestic hot water, and is gradually expanding towards the application direction of heating. Many scholars prove that the winter heating and the annual heat supply of buildings can be realized through solar energy completely through research, but how to store the abundant solar energy in the daytime across space and time always hinders the development of solar heating.
The air source heat pump is used as one of heat pump technologies, has the reputation of a porter of natural energy, has multiple advantages of low use cost, easiness in operation, good effect, safety, cleanness and the like, realizes the transfer of ubiquitous air low-grade energy by consuming a small amount of electric energy to drive the compressor to operate, does not need complex configuration, is used as a renewable energy source, and has the prominent advantages of energy conservation, environmental protection, safety and comfort under the condition of more and more urgent demands.
Therefore, the utility model provides a building energy supplementing system, which can realize multi-energy complementation of solar energy and an air source heat pump, realizes supply of life hot water, heating in winter and cooling in summer all year round, and maximally utilizes renewable energy sources so as to contribute to realizing zero energy consumption of buildings.
SUMMERY OF THE UTILITY MODEL
The utility model provides a building energy supplementing system.
In order to achieve the purpose, the utility model adopts the following technical scheme:
in one aspect, a building energy supplementing system is provided, comprising:
the air source heat pump is arranged outdoors to obtain energy in the air so as to heat or refrigerate water in the air source heat pump;
the municipal water supply system is communicated with a cold water input pipe and a water storage tank of the air source heat pump;
the heat exchanger is communicated with a hot water conveying pipe and a water supply circulating pipeline of the air source heat pump;
the water storage tank is communicated with the heat exchanger through a water supply circulating pipeline and is communicated with a municipal water supply system;
the solar heat collector is communicated with the water storage tank through a heat medium water supply pipe and a heat medium water return pipe, and the heat medium water supply pipe is provided with a first circulating pump device;
the first water end is communicated with the water supply circulating pipeline.
Further, the air source heat pump comprises a plurality of air source heat pump units which are communicated in series or in parallel.
Furthermore, the water supply circulating pipeline comprises a first water delivery pipe communicated between the heat exchanger and the water storage tank and a second water delivery pipe communicated with the first water delivery pipe in the heat exchanger, and the second water delivery pipe is communicated with the water storage tank.
Furthermore, a water return electromagnetic valve is communicated with the second water delivery pipe.
Furthermore, a second circulating pump device is communicated with the first water delivery pipe.
Furthermore, the heat medium water supply pipe is coated with a heat tracing band.
Furthermore, a gas collection, exhaust and pollution discharge tank is communicated between a cold water input pipe of the air source heat pump and the municipal water supply system.
Further, a third circulating pump device is arranged on the cold water input pipe.
Further, the energy supplementing system comprises a temperature measuring device, and the temperature measuring device comprises a first temperature sensor T1 for measuring the outlet temperature of the solar heat collector, a second temperature sensor T2 for measuring the temperature of the hot water storage tank, a third temperature sensor T3 for measuring the temperature of the circulating pipeline of the heat collector, a fourth temperature sensor T4 for measuring the temperature of supplied water, a fifth temperature sensor T5 for measuring the temperature of returned water and a sixth temperature sensor T6 for measuring the temperature of cold water.
Further, the first circulation pump device includes circulation pump units connected in parallel with each other.
Furthermore, an auxiliary heating system is communicated with the air source heat pump and comprises a shell, a heating water pipe fixedly arranged in the shell, a controller fixedly arranged on the shell and an electric heating pipe coated on the outer side of the heating water pipe, the water inlet end of the heating water pipe is respectively communicated with the cold water input pipe and the hot water conveying pipe through a first pipeline and a second pipeline, the water outlet end of the heating water pipe is respectively communicated with the cold water input pipe and the hot water conveying pipe through a third pipeline and a fourth pipeline, the first pipeline, the second pipeline, the third pipeline and the fourth pipeline are respectively communicated with a first control valve, a second control valve, a third control valve and a fourth control valve, the first pipeline and the second pipeline are respectively provided with a first pipeline circulating pump and a second pipeline circulating pump, and the water inlet end and the water outlet end of the heating water pipe are respectively provided with a first water thermometer and a second water thermometer;
wherein, the controller is connected respectively in first water thermometer, second water thermometer, first control valve, second control valve, third control valve, fourth control valve, first pipeline circulating pump, second pipeline circulating pump and electric heating pipe.
Compared with the prior art, the utility model has the following advantages:
1. according to the building energy supplementing system, solar energy and air energy are combined and complemented, the operation cost is reduced by mutual switching, the requirements of hot water, heating and refrigeration are met, and the energy supplementing of a building in a low-carbon mode is realized;
2. according to the building energy supplementing system, a traditional single fossil fuel is replaced by a multi-energy complementary form with a solar heat collector as a main part and an air source heat pump as an auxiliary part, so that stable and high-quality energy is provided, the requirements of indoor heating and domestic hot water of residents are met, the utilization rate of renewable energy is obviously improved, and the building energy supplementing system has positive effects on energy conservation and emission reduction;
3. the building energy supplementing system needs less power consumption equipment, supplements energy for buildings, and has good economic benefit and application prospect.
Drawings
FIG. 1 is a schematic structural diagram of a building energy supplementing system according to an embodiment of the utility model;
FIG. 2 is a schematic view showing the construction of a water circulation line according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a first circulation pump apparatus in the embodiment of the present invention;
fig. 4 is a schematic structural diagram of an auxiliary heating system in an embodiment of the present invention.
In the figure, 1-air source heat pump, 11-cold water input pipe, 111-third circulating pump device, 12-hot water delivery pipe, 121-first hot water delivery pipe, 122-second hot water delivery pipe, 123-third hot water delivery pipe, 131-shell, 132-heating water pipe, 133-controller, 134-electric heating pipe, A1-first pipeline, A2-second pipeline, A3-third pipeline, A4-fourth pipeline, B1-first control valve, B2-second control valve, B3-third control valve, B4-fourth control valve, C1-first pipeline circulating pump, C2-second pipeline circulating pump, 2-municipal water supply system, 21-first water supply pipe, 22-second water supply pipe, 23-third water supply pipe, 4-heat exchanger, 2-third water supply pipe, and the like, 5-water supply circulating pipeline, 51-first water pipe, 511-second circulating pump device, 52-second water pipe, 521-backwater electromagnetic valve, 6-water storage tank, 7-solar heat collector, 71-heat medium water supply pipe, 711-first circulating pump device, 72-heat medium backwater pipe and 8-gas collection exhaust and pollution discharge tank.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments, it being understood that the embodiments and features of the embodiments of the present application can be combined with each other without conflict.
Examples
As shown in fig. 1, the building energy supplementing system includes:
the air source heat pump 1 is arranged outdoors to obtain energy in air so as to heat or refrigerate water in the air source heat pump 1;
the municipal water supply system 2 is communicated with a cold water input pipe 11 and a water storage tank 3 of the air source heat pump 1;
the heat exchanger 4 is communicated with a hot water conveying pipe 12 and a water supply circulating pipeline 5 of the air source heat pump 1;
the water storage tank 6 is communicated with the heat exchanger 4 through a water supply circulating pipeline 5 and is communicated with the municipal water supply system 2;
a solar heat collector 7 communicated with the water storage tank 6 through a heat medium water supply pipe 71 and a heat medium water return pipe 72, the heat medium water supply pipe 71 being provided with a first circulation pump device 711;
the first water end is communicated with the water supply circulating pipeline 5.
In the above embodiment, the air source heat pump 1 is used to realize heating in winter and cooling in summer.
The air source heat pump 1 comprises a plurality of air source heat pump units which are communicated in series or in parallel.
In the above embodiment, the output of the heat or the cold of the air-source heat pump 1 is adjusted by adjusting the number of the air-source heat pump units.
The heat medium water supply pipe 71 is coated with an accompanying tape.
A gas collection, exhaust and pollution discharge tank 8 is communicated between a cold water input pipe 11 of the air source heat pump 1 and the municipal water supply system 2.
The hot water delivery pipe 12 comprises a first hot water delivery pipe 121 communicated with the heat exchanger 4, a second hot water delivery pipe 122 communicated with the first hot water delivery pipe 121 in the heat exchanger 4, and a third hot water delivery pipe 123 communicated with the second hot water delivery pipe 122, wherein the third hot water delivery pipe 123 is communicated with the first hot water delivery pipe 121 through a three-way valve, and the output end of the third hot water delivery pipe 123 is communicated with the terminal water supply.
As shown in fig. 2, the water supply circulation pipeline 5 includes a first water pipe 51 communicated between the heat exchanger 4 and the water storage tank 6 and a second water pipe 52 communicated with the first water pipe 51 in the heat exchanger 4, and the second water pipe 52 is communicated with the water storage tank 6.
The first water pipe 51 is communicated with a second circulating pump device 511.
A water return electromagnetic valve 521 is arranged on the second water conveying pipe 52, and a gate valve is connected in parallel to the water return electromagnetic valve 521.
The cold water input pipe 11 is provided with a third circulation pump device 111.
The municipal water supply system 2 is provided with a first water supply pipe 21, a second water supply pipe 22 and a third water supply pipe 23 which are respectively communicated with the first water supply pipe 21, the second water supply pipe 22 is communicated with the gas collection, exhaust and sewage discharge tank 8, the second water supply pipe 22 is provided with a pressure gauge, a check valve and an automatic pressure water replenishing valve, the third water supply pipe 23 is communicated with the water storage tank 6, the third water supply pipe 23 is provided with a water replenishing electromagnetic valve 231, and the water replenishing electromagnetic valve 231 is connected with a gate valve in parallel; the first water supply pipe 21 is provided with a Y-shaped filter, a water treatment device, a backflow prevention stopper, a water meter and a gate valve.
The second water supply pipe 21 is communicated with the gas collection, exhaust and pollution discharge tank 8 through a cold and warm water return pipe, and the cold and warm water return pipe is also communicated with tail end water return.
As shown in fig. 3, the first circulation pump device 711 includes circulation pump units connected in parallel, the circulation pump unit includes a first gate valve, a pressure gauge, a first soft joint, a first circulation pump, a second soft joint, a check valve, a pressure gauge and a second gate valve, which are sequentially communicated with the heat medium water supply pipe 71, and in an actual use process, two circulation pump units are used and prepared;
here, the second circulation pump device 511 and the third circulation pump device 111 have the same configuration as the first circulation pump device 711.
The energy supplementing system comprises a temperature measuring device, wherein the temperature measuring device comprises a first temperature sensor T1 for measuring the temperature of an outlet of a solar heat collector, a second temperature sensor T2 for measuring the temperature of a hot water storage tank, a third temperature sensor T3 for measuring the temperature of a circulating pipeline of the heat collector, a fourth temperature sensor T4 for measuring the temperature of supplied water, a fifth temperature sensor T5 for measuring the temperature of returned water and a sixth temperature sensor T6 for measuring the temperature of cold water;
wherein, the fourth temperature sensor T4 is arranged on the first water duct 51;
the fifth temperature sensor T5 is arranged on the second water conveying pipe 52;
the sixth temperature sensor T6 is provided on the first water supply pipe 21.
As shown in fig. 4, the air source heat pump 1 is communicated with an auxiliary heating system, the auxiliary heating system includes a housing 131, a heating water pipe 132 fixedly disposed in the housing 131, a controller 133 fixedly disposed on the housing 131, and an electric heating pipe 134 covering the outside of the heating water pipe 132, a water inlet end of the heating water pipe 132 is respectively communicated with the cold water input pipe 11 and the hot water delivery pipe 12 through a first pipeline a1 and a second pipeline a2, a water outlet end of the heating water pipe 132 is respectively communicated with the cold water input pipe 11 and the hot water delivery pipe 12 through a third pipeline A3 and a fourth pipeline a4, wherein the first pipeline a1, the second pipeline a2, the third pipeline A3, and the fourth pipeline a4 are respectively communicated with a first control valve B1, a second control valve B2, a third control valve B3, and a fourth control valve B4, the first pipeline a1 and the second pipeline a2 are respectively provided with a first pipeline C1 and a second pipeline C2, the water inlet end and the water outlet end of the heating water pipe 132 are respectively provided with a first water thermometer D1 and a second water thermometer D2;
the controller 133 is connected to the first water thermometer D1, the second water thermometer D2, the first control valve B1, the second control valve B2, the third control valve B3, the fourth control valve B4, the first pipeline circulating pump C1, the second pipeline circulating pump C2, and the electric heating pipe 134.
Wherein, the heating water pipe 132 is made of stainless steel;
the controller 133 adopts a PLC;
the electric heating tube 134 is made of Teflon;
in the above embodiment, the controller 133 obtains the water temperature information of the water inlet end and the water outlet end through the first water thermometer D1 and the second water thermometer D2, and further controls the first control valve B1, the second control valve B2, the third control valve B3 and the fourth control valve B4 to open and close, and controls the first pipeline circulating pump C1 and the second pipeline circulating pump C2 to perform circulating heating of water.
The control method of the building energy supplementing system comprises the following steps:
the control cabinet acquires temperature information of a first temperature sensor T1, a second temperature sensor T2, a third temperature sensor T3, a fourth temperature sensor T4, a fifth temperature sensor T5 and a sixth temperature sensor T6;
when the temperature T1-T2 is more than or equal to 5 ℃, the first circulating pump device 711 is started to exchange heat of the solar heat collector 7, when the temperature T1-T2 is less than or equal to 1 ℃, the first circulating pump device 711 is stopped to work, and the heat collection circulation is stopped;
when the temperature T3 is less than or equal to 5 ℃, the first circulating pump device 711 is started to prevent the pipeline from being frozen, the temperature T3 is continuously reduced to the temperature T3 which is less than or equal to 2 ℃, the anti-freezing heat tracing band is started, and when the temperature T3 is more than or equal to 8 ℃, the first circulating pump device 711 and the heat tracing band are stopped to work;
when the temperature T5 is less than or equal to 40 ℃, the water return electromagnetic valve is opened, and when the temperature T5 is more than 45 ℃, the water return electromagnetic valve is closed;
in winter heating, when the temperature of the second temperature sensor T2 of the water storage tank 6 is higher than 60 ℃, the three-way valve is opened, the heating pipeline of the air source heat pump 1 is heated by the heat exchanger 4 to supply heat indoors, the solar energy system is circularly opened for supplying and returning water, the heat of the water storage tank 6 is transferred to the direction of the heat exchanger 4, and when the temperature of the water storage tank 6 is lower than 55 ℃, the three-way valve is closed to stop supplying heat to the heating pipeline.
The control method of the building energy supplementing system also comprises fault alarm, wherein the control cabinet carries out logic judgment on the collected signals and the working state information through collecting signals (such as temperature information) and the working state information, and sends alarm information to a control center through a communication network when a fault occurs;
specifically, the signals collected by the control cabinet include temperature information of a first temperature sensor T1, a second temperature sensor T2, a third temperature sensor T3, a fourth temperature sensor T4, a fifth temperature sensor T5 and a sixth temperature sensor T6, and a fault alarm is performed when the temperature information reaches a set high-temperature threshold or a set low-temperature threshold;
the signal that the switch board was collected includes the water level data that water level sensor sent, carries out fault alarm when the water level is less than the settlement water level threshold value, and wherein, water level sensor sets up in the water storage tank.
In the above embodiments, the threshold value mentioned is a value set empirically.
The present invention is not limited to the above-described embodiments, which are described in the specification and illustrated only for illustrating the principle of the present invention, but various changes and modifications may be made within the scope of the present invention as claimed without departing from the spirit and scope of the present invention. The scope of the utility model is defined by the appended claims.
Claims (7)
1. A building energy replenishment system, comprising:
the air source heat pump is arranged outdoors to obtain energy in the air so as to heat or refrigerate water in the air source heat pump;
the municipal water supply system is communicated with a cold water input pipe and a water storage tank of the air source heat pump;
the heat exchanger is communicated with a hot water conveying pipe and a water supply circulating pipeline of the air source heat pump;
the water storage tank is communicated with the heat exchanger through a water supply circulating pipeline and is communicated with a municipal water supply system;
the solar heat collector is communicated with the water storage tank through a heat medium water supply pipe and a heat medium water return pipe, and the heat medium water supply pipe is provided with a first circulating pump device;
the first water end is communicated with the water supply circulating pipeline.
2. The building energy supplementing system according to claim 1, wherein the air source heat pump is communicated with an auxiliary heating system, the auxiliary heating system comprises a housing, a heating water pipe fixedly arranged in the housing, a controller fixedly arranged on the housing, and an electric heating pipe coated outside the heating water pipe, a water inlet end of the heating water pipe is respectively communicated with the cold water input pipe and the hot water delivery pipe through a first pipeline and a second pipeline, a water outlet end of the heating water pipe is respectively communicated with the cold water input pipe and the hot water delivery pipe through a third pipeline and a fourth pipeline, the first pipeline, the second pipeline, the third pipeline and the fourth pipeline are respectively communicated with a first control valve, a second control valve, a third control valve and a fourth control valve, the first pipeline and the second pipeline are respectively provided with a first pipeline circulating pump and a second pipeline circulating pump, and the water inlet end and the water outlet end of the heating water pipe are respectively provided with a first water thermometer and a second water thermometer;
wherein, the controller is connected respectively in first water thermometer, second water thermometer, first control valve, second control valve, third control valve, fourth control valve, first pipeline circulating pump, second pipeline circulating pump and electric heating pipe.
3. The building energy supplementing system according to claim 1, wherein the water supply circulation pipeline comprises a first water pipe communicated between the heat exchanger and the water storage tank and a second water pipe communicated with the first water pipe in the heat exchanger, and the second water pipe is communicated with the water storage tank.
4. The building energy supplementing system according to claim 1, wherein the first water delivery pipe is communicated with a second circulating pump device.
5. The building energy supplementing system according to claim 1, wherein the heat medium water supply pipe is coated with a heat tracing band.
6. The building energy supplementing system according to claim 1, wherein a gas collecting, exhausting and blowdown tank is communicated between a cold water input pipe of the air source heat pump and a municipal water supply system.
7. The building energy supplementing system according to claim 1, wherein the energy supplementing system comprises a temperature measuring device, and the temperature measuring device comprises a first temperature sensor T1 for measuring the outlet temperature of the solar heat collector, a second temperature sensor T2 for measuring the temperature of the hot water storage tank, a third temperature sensor T3 for measuring the temperature of the circulating pipeline of the heat collector, a fourth temperature sensor T4 for measuring the temperature of the supplied water, a fifth temperature sensor T5 for measuring the temperature of the returned water, and a sixth temperature sensor T6 for measuring the temperature of the cold water.
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| CN202121819589.XU CN215675384U (en) | 2021-08-05 | 2021-08-05 | Building energy supplementing system |
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| CN202121819589.XU CN215675384U (en) | 2021-08-05 | 2021-08-05 | Building energy supplementing system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113701219A (en) * | 2021-08-05 | 2021-11-26 | 天普新能源科技有限公司 | Building energy supplementing system and control method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113701219A (en) * | 2021-08-05 | 2021-11-26 | 天普新能源科技有限公司 | Building energy supplementing system and control method |
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