CN110006120B - Circulating heating and refrigerating system in office building - Google Patents
Circulating heating and refrigerating system in office building Download PDFInfo
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- CN110006120B CN110006120B CN201910287631.9A CN201910287631A CN110006120B CN 110006120 B CN110006120 B CN 110006120B CN 201910287631 A CN201910287631 A CN 201910287631A CN 110006120 B CN110006120 B CN 110006120B
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 60
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 176
- 238000001816 cooling Methods 0.000 claims description 9
- 238000005485 electric heating Methods 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 10
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 description 3
- 238000004321 preservation Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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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
- F24D15/00—Other domestic- or space-heating systems
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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
- F24F5/0003—Exclusively-fluid systems
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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
- F24D2200/00—Heat sources or energy sources
- F24D2200/14—Solar energy
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Other Air-Conditioning Systems (AREA)
- Steam Or Hot-Water Central Heating Systems (AREA)
Abstract
The invention relates to the technical field of building heating and refrigerating, in particular to a circulating heating and refrigerating system in an office building, which comprises a hot water tank and a cold water tank which are arranged in a deep well of the building, wherein a refrigerator is connected between the hot water tank and the cold water tank through pipelines, a main water supply pipe is connected inside the hot water tank through a water pump, the top end of the main water supply pipe is respectively connected with a first hot water branch pipe and a second hot water branch pipe through a three-way valve, and one ends of the first hot water branch pipe and the second hot water branch pipe, which are close to the main water supply pipe, are respectively connected with a first valve and a second valve. The invention has the beneficial effects that the invention is easy to realize laying in a building, achieves good heating and refrigerating effects, adopts a circulating heating and refrigerating mode to heat and refrigerate the building, has lower investment cost compared with the conventional heating and refrigerating system, and can improve the initial temperature of hot water entering an indoor heating coil pipe and improve the heat exchange efficiency of the whole system.
Description
Technical Field
The invention relates to the technical field of building heating and refrigerating, in particular to a circulating heating and refrigerating system in an office building.
Background
In the future, china pays more attention to environment politics and development of energy-saving buildings, research and popularization of building energy-saving technology show a happy situation, and the China promotes energy-saving standards and requires reduction of building energy consumption. The green building with high comfort and low energy consumption is a model of an energy-saving building, and is jointly realized by a plurality of core technologies such as an outer wall heat preservation system, a roof heat preservation system heating system (also called a ceiling radiation refrigerating heating system), a healthy fresh air system, an outer window and outer window sunshade system, a roof heat preservation system and the like. The systems are organically combined, and the health, the high comfort and the energy conservation are closely related.
Chinese application number CN201710436647.2 provides a solar air heating, refrigerating system; the invention relates to the field of comprehensive utilization of solar energy, which takes air as a heat conducting medium and is characterized in that: the solar heat collector comprises a solar heat collector taking air as a heat conducting medium, a water heater and an air supply pipeline, wherein the inlet of the water heater is respectively connected with the outlet of the solar heat collector through a second steering valve and a third steering valve; a return air duct for circulating air with the air supply duct; the inlet of the fan is connected with the outlet of the return air pipeline, and the first steering valve is connected with the outlet of the fan; the outlet of the water heater is connected with the inlet of the fan; the fan is connected with an inlet or an outlet of the solar heat collector through a first steering valve; and the air supply pipeline and the return air pipeline are provided with refrigerating equipment and/or heating equipment taking hot air as a power source. According to the invention, a plurality of sets of equipment are integrated, electric energy is used in an auxiliary mode on the premise of utilizing solar energy to the greatest extent, low-valley electric energy is fully utilized, so that a user can save energy and installation cost; finally, the effects of high efficiency, energy saving, heat supply, heating and refrigeration are achieved.
But the solar air heating, heating and refrigerating system does not integrate the whole system, utilizes air as a heat conducting medium, has poor heating and refrigerating effects in a building room, and is inconvenient for wide popularization due to the fact that a plurality of sets of equipment are required to be installed when residents use the solar air heating, heating and refrigerating system.
Disclosure of Invention
The invention aims to provide a circulating heating and refrigerating system in an office building, which solves the problems that the whole system is not integrated, the heat supply and refrigerating effects for the indoor space of the building are poor by utilizing air as a heat conducting medium, and a plurality of sets of equipment are required to be installed when residents use the system, so that the system is high in cost and is not beneficial to wide popularization.
The technical scheme of the invention is as follows: the utility model provides a circulation formula heating refrigerating system in office building, is including installing hot-water tank and the cold water tank in building deep well, there is the refrigerator through the pipe connection between hot-water tank and the cold water tank, the inside of hot-water tank is connected with main water pipe through the water pump, and main water pipe's top is connected with first hot-water branch pipe and second hot-water branch pipe respectively through the three-way valve, first hot-water branch pipe and second hot-water branch pipe are close to main water pipe's one end and are connected with valve and No. two valves respectively, first hot-water branch pipe and second hot-water branch pipe keep away from main water pipe's one end and are connected with the heating pipe, first hot-water branch pipe and second hot-water branch pipe are close to the one end of heating pipe and are connected with valve and No. four valves respectively, the inside of cold water tank is connected with first cold water branch pipe and second cold water branch pipe through the water pump and is connected with No. seven valves and No. eight valves respectively, first cold water branch pipe and second cold water branch pipe are close to cold water tank's one end and are connected with No. five cold water pipe and No. six indoor cooling pipe and are kept away from the one end of heating pipe and are connected with the cooling pipe.
Further, a condenser is connected between the second hot water branch pipe and the second cold water branch pipe through a conduit, an evaporator is connected between the first hot water branch pipe and the first cold water branch pipe through a conduit, and a compressor is connected between the evaporator and the condenser through a conduit.
Further, the indoor heating coils are installed in each floor of the building, respectively, and the outside of the indoor heating coils is covered with a protective cover.
Further, the guide pipes at the two ends of the evaporator are respectively positioned below the third valve and the fifth valve, and the guide pipes at the two ends of the evaporator are respectively communicated with the first hot water branch pipe and the first cold water branch pipe.
Further, the two sides of the lower part of the hot water tank are respectively connected with an input pipe and an output pipe, and an electric heating furnace is arranged below the hot water tank through the input pipe and the output pipe.
Further, the both sides of refrigerator top are provided with back flow and riser respectively, and the one end that the riser is close to the refrigerator is connected with the elevator pump, the top of back flow and riser all communicates by the cooling tower.
Further, a solar heat collecting plate for heating the hot water tank is arranged on the hot water tank and is arranged on the roof of the building, and the solar heat collecting plate is connected with the hot water tank through a heat conducting pipe.
Further, when heating is performed inside the building, the fourth valve, the first valve, the sixth valve and the seventh valve are all opened, and the second valve, the third valve, the fifth valve and the eighth valve are all closed.
Further, when the interior of the building is cooled, the second valve, the third valve, the fifth valve and the eighth valve are all opened, and the fourth valve, the first valve, the sixth valve and the seventh valve are all closed.
Compared with the prior art, the invention provides a circulating heating and refrigerating system in an office building through improvement, and has the following improvement and advantages:
(1) The hot water tank, the cold water tank and the connecting pipelines are arranged under the building, so that the medium water is convenient to convey, the laying is easy to realize in the building, the good heating and refrigerating effects are achieved, and the living demands of people are met.
(2) The system adopts a circulating heating and refrigerating mode to heat and refrigerate the building, and compared with a conventional heating and refrigerating system, the system is a closed circulating system, and has simpler maintenance and lower investment cost.
(3) The hot water tank is preheated through the electric heating furnace, so that the initial temperature of hot water entering the indoor heating coil pipe can be increased, the vaporization heat is collected by the compressor, the heating and refrigerating can be realized, the heat exchange efficiency of the whole system is improved, and the energy waste is saved.
Drawings
The invention is further explained below with reference to the drawings and examples:
FIG. 1 is a schematic diagram of the structure of the present invention;
fig. 2 is a schematic view of the connection structure of the hot water tank and the cold water tank of the present invention.
Reference numerals illustrate:
1 a hot water tank, 2 a cold water tank, 3 a refrigerator, 4 a main water supply pipe, 5 a first hot water branch pipe, 6 a second hot water branch pipe, 7 a valve, 8 a second valve, 9 a third valve, 10 a fourth valve, 11 a heat supply pipe, 12 an indoor heat supply coil pipe, 13 a refrigeration pipe, 14 a first cold water branch pipe, 15 a second cold water branch pipe, 16 a fifth valve, 17 a sixth valve, 18 a seventh valve, 19 a eighth valve, 20 a condenser, 21 an evaporator, 22 a compressor, 23 an electric furnace, 24 a water supply pump, 25 a cooling tower, 26 a solar heat collecting plate, 27 a heat conduction pipe, 28 an input pipe, 29 an output pipe, 30 a return pipe and 31 a riser pipe.
Detailed Description
The following detailed description of the present invention will provide clear and complete description of the technical solutions of the embodiments of the present invention, with reference to fig. 1 to 2, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
The invention provides a circulating heating and refrigerating system in an office building through improvement, as shown in fig. 1-2, the circulating heating and refrigerating system comprises a hot water tank 1 and a cold water tank 2 which are arranged in a deep well of the building, wherein the hot water tank 1 is used for storing and discharging hot water media, the cold water tank 2 is used for storing and discharging cold water media, a refrigerator 3 is connected between the hot water tank 1 and the cold water tank 2 through pipelines, the refrigerator 3 is used for converting the temperature of the media in the hot water tank 1 and the cold water tank 2, the heating and refrigerating requirements are met, the inside of the hot water tank 1 is connected with a main water inlet pipe 4 through a water pump, the top end of the main water inlet pipe 4 is respectively connected with a first hot water branch pipe 5 and a second hot water branch pipe 6 through a three-way valve, one end of the first hot water branch pipe 5 and one end of the second hot water branch pipe 6, which are close to the main water inlet pipe 4, are respectively connected with a first valve 7 and a second valve 8, the first hot water branch pipe 5 and the second hot water branch pipe 6 are connected with a heat supply pipe 11 at the end far away from the main water supply pipe 4, the first hot water branch pipe 5 and the second hot water branch pipe 6 are respectively connected with a valve No. 9 and a valve No. 10 at the end near the heat supply pipe 11, the inside of the cold water tank 2 is connected with a first cold water branch pipe 14 and a second cold water branch pipe 15 through a water pump, the first cold water branch pipe 14 and the second cold water branch pipe 15 are respectively connected with a valve No. 18 and a valve No. 19 at the end near the cold water tank 2, the first cold water branch pipe 14 and the second cold water branch pipe 15 are connected with a refrigerating pipe 13 at the end near the cold water tank 2, the first cold water branch pipe 14 and the second cold water branch pipe 15 are respectively connected with a valve No. 16 and a valve No. 17 at the end near the refrigerating pipe 13, an indoor heat supply coil pipe 12 is connected between the heat supply pipe 11 and the refrigerating pipe 13 and installed in the inside of a building, heating and refrigerating of the interior of a building room are realized, and heat exchange is realized.
Further, a condenser 20 is connected between the second hot water branch pipe 6 and the second cold water branch pipe 15 through a conduit, an evaporator 21 is connected between the first hot water branch pipe 5 and the first cold water branch pipe 14 through a conduit, and a compressor 22 is connected between the evaporator 21 and the condenser 20 through a conduit, so that heat generated during evaporation of the evaporator is absorbed, and energy loss is reduced.
Further, the indoor heating coils 12 are respectively installed in each layer of room of the building, and the outside of the indoor heating coils 12 is covered with a protective cover, so that the indoor heating coils have a good protection effect on the activities of people in the building, and scalding to people during heating is avoided.
Further, the pipes at both ends of the evaporator 21 are respectively located below the third valve 9 and the fifth valve 16, and the pipes at both ends of the evaporator 21 are respectively communicated with the first hot water branch pipe 5 and the first cold water branch pipe 14, so that smooth transportation of medium water during heating and refrigerating is ensured.
Further, the two sides below the hot water tank 1 are respectively connected with an input pipe 28 and an output pipe 29, and an electric heating furnace 23 is arranged below the hot water tank 1 through the input pipe 28 and the output pipe 29, and the electric heating furnace 23 can preheat the hot water in the hot water tank 1, so that the initial temperature during heating is ensured.
Further, the two sides above the refrigerator 3 are respectively provided with a return pipe 30 and a lifting pipe 31, one end of the lifting pipe 31, which is close to the refrigerator 3, is connected with a lifting pump 24, the top ends of the return pipe 30 and the lifting pipe 31 are communicated with the cooling tower 25, medium water is pumped into the cooling tower 25, and the cooling tower 25 is utilized to realize rapid cooling of the medium water, so that an excellent refrigerating effect is achieved.
Further, the hot water tank 1 is provided with a solar heat collecting plate 26 for heating the hot water tank 1, the solar heat collecting plate 26 is installed on the roof of a building, the solar heat collecting plate 26 is connected with the hot water tank 1 through a heat conducting pipe 27, and when the system is used for supplying heat to the building, heat collected by the heat collecting plate 26 is conveyed into the hot water tank 1 through the heat conducting pipe 27, so that the medium water in the hot water tank 1 is heated.
Further, when heating is performed inside the building, the valve No. 10, the valve No. 7, the valve No. 17 and the valve No. 18 are all opened, the valve No. 8, the valve No. 9, the valve No. 16 and the valve No. 19 are all closed, so that the circulation of hot water is realized, and the heating effect is achieved.
Further, when the interior of the building is refrigerated, the valve No. 8, the valve No. 9, the valve No. 16 and the valve No. 19 are all opened, the valve No. 10, the valve No. 7, the valve No. 17 and the valve No. 18 are all closed, so that the circulation of cold water is realized, and the refrigerating effect is achieved.
The working principle of the invention is as follows: when the system supplies heat to the interior of a building, a solar heat collecting plate 26 collects heat energy of solar energy and heats water in the interior of the hot water tank 1, an operator opens the valve No. four 10, the valve No. 7, the valve No. six 17 and the valve No. seven 18, the valve No. two 8, the valve No. three 9, the valve No. five 16 and the valve No. eight 19 are all closed, the water in the interior of the hot water tank 1 is sequentially pumped into the interior of the main water supply pipe 4, the valve No. 7, the evaporator 21, the valve No. six 17, the indoor heat supply pipe 12, the valve No. four 10, the condenser 20 and the hot water tank 1 through a water pump to form a circulation, and when the system is used for refrigerating the interior of the building, the valve No. two 8, the valve No. 9, the valve No. five 16 and the valve No. eight 19 are all opened, the valve No. four 10, the valve No. 7, the valve No. 17 and the valve No. seven 18 are all closed, the water in turn is pumped into the valve No. eight 19, the condenser 20, the evaporator 21, the valve No. three 9, the indoor heat supply pipe 12 and the indoor heat supply pipe 13, and the indoor heat supply pipe 12 are sequentially through the water pump, and the purpose of heating is realized, when the temperature of the system is initially heated, and the water is preheated, and the temperature of the indoor heat supply pipe is increased, and the indoor heat supply is realized, and when the water is cooled through the heating and the indoor heat supply pipe is cooled through the heating and the heating pipe.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (1)
1. Circulating heating refrigerating system in office building, its characterized in that: including installing hot-water tank (1) and cold water tank (2) in building deep well, there is refrigerator (3) through the pipe connection between hot-water tank (1) and cold water tank (2), the inside of hot-water tank (1) is connected with main water pipe (4) through the water pump, and the top of main water pipe (4) is connected with first hot water branch pipe (5) and second hot water branch pipe (6) respectively through the three way valve, the one end that first hot water branch pipe (5) and second hot water branch pipe (6) are close to main water pipe (4) is connected with first valve (7) and No. two valve (8) respectively, the one end that main water pipe (4) was kept away from to first hot water branch pipe (5) and second hot water branch pipe (6) is connected with heating pipe (11), the one end that first hot water branch pipe (5) and second hot water branch pipe (6) are close to heating pipe (11) is connected with No. three valve (9) and No. four valve (10) respectively, the one end that cold water tank (2) is close to first cold water pump (14) and No. two valve (14) are close to cold water tank (14) and No. two valve (18) are connected with cold water tank (14), one end, far away from the cold water tank (2), of the first cold water branch pipe (14) and the second cold water branch pipe (15) is connected with a refrigerating pipe (13), one end, close to the refrigerating pipe (13), of the first cold water branch pipe (14) and the second cold water branch pipe (15) is respectively connected with a valve number five (16) and a valve number six (17), and an indoor heating coil pipe (12) is connected between the heating pipe (11) and the refrigerating pipe (13);
a condenser (20) is connected between the second hot water branch pipe (6) and the second cold water branch pipe (15) through a conduit, an evaporator (21) is connected between the first hot water branch pipe (5) and the first cold water branch pipe (14) through a conduit, and a compressor (22) is connected between the evaporator (21) and the condenser (20) through a conduit;
the indoor heating coils (12) are respectively arranged in each layer of room of the building, and the outside of the indoor heating coils (12) is covered with a protective cover;
the pipes at the two ends of the evaporator (21) are respectively positioned below the third valve (9) and the fifth valve (16), and the pipes at the two ends of the evaporator (21) are respectively communicated with the first hot water branch pipe (5) and the first cold water branch pipe (14);
the two sides of the lower part of the hot water tank (1) are respectively connected with an input pipe (28) and an output pipe (29), and an electric heating furnace (23) is arranged below the hot water tank (1) through the input pipe (28) and the output pipe (29);
a return pipe (30) and a lifting pipe (31) are respectively arranged at two sides above the refrigerator (3), one end, close to the refrigerator (3), of the lifting pipe (31) is connected with a lifting pump (24), and the top ends of the return pipe (30) and the lifting pipe (31) are communicated with a cooling tower (25);
the solar water heater is characterized in that a solar heat collecting plate (26) for heating the hot water tank (1) is arranged on the hot water tank (1), the solar heat collecting plate (26) is arranged on the roof of a building, and the solar heat collecting plate (26) is connected with the hot water tank (1) through a heat conducting pipe (27);
when the interior of the building is heated, the valve No. 10, the valve No. 7, the valve No. 17 and the valve No. 18 are all opened, and the valve No. two (8), the valve No. three (9), the valve No. five (16) and the valve No. eight (19) are all closed;
when the interior of the building is refrigerated, the valve II (8), the valve III (9), the valve V (16) and the valve V (19) are all opened, and the valve IV (10), the valve I (7), the valve V (17) and the valve V (18) are all closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910287631.9A CN110006120B (en) | 2019-04-11 | 2019-04-11 | Circulating heating and refrigerating system in office building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910287631.9A CN110006120B (en) | 2019-04-11 | 2019-04-11 | Circulating heating and refrigerating system in office building |
Publications (2)
| Publication Number | Publication Date |
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| CN110006120A CN110006120A (en) | 2019-07-12 |
| CN110006120B true CN110006120B (en) | 2023-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910287631.9A Active CN110006120B (en) | 2019-04-11 | 2019-04-11 | Circulating heating and refrigerating system in office building |
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| Country | Link |
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| CN (1) | CN110006120B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112622563B (en) | 2020-12-18 | 2022-05-27 | 艾泰斯热系统研发（上海）有限公司 | Indirect heat pump system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101086352A (en) * | 2006-06-09 | 2007-12-12 | 日立空调·家用电器株式会社 | Air conditioner |
| CN201488394U (en) * | 2009-09-07 | 2010-05-26 | 浙江大学 | Solar energy-ground source heat pump self-balancing integrated application system |
| CN205351809U (en) * | 2016-02-05 | 2016-06-29 | 山石泉 | Changes in temperature circulation system for house |
| CN106032918A (en) * | 2015-03-13 | 2016-10-19 | 珠海兴业新能源科技有限公司 | Intelligent solar air-conditioning system |
| CN210399311U (en) * | 2019-04-11 | 2020-04-24 | 上海达人建设工程有限公司 | Circulating type cold and heat cogeneration system in office building |
-
2019
- 2019-04-11 CN CN201910287631.9A patent/CN110006120B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101086352A (en) * | 2006-06-09 | 2007-12-12 | 日立空调·家用电器株式会社 | Air conditioner |
| CN201488394U (en) * | 2009-09-07 | 2010-05-26 | 浙江大学 | Solar energy-ground source heat pump self-balancing integrated application system |
| CN106032918A (en) * | 2015-03-13 | 2016-10-19 | 珠海兴业新能源科技有限公司 | Intelligent solar air-conditioning system |
| CN205351809U (en) * | 2016-02-05 | 2016-06-29 | 山石泉 | Changes in temperature circulation system for house |
| CN210399311U (en) * | 2019-04-11 | 2020-04-24 | 上海达人建设工程有限公司 | Circulating type cold and heat cogeneration system in office building |
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| Publication number | Publication date |
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| CN110006120A (en) | 2019-07-12 |
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Address after: Room a, 1st floor, 60 Lane 1818, LIANHANG Road, Minhang District, Shanghai 201100 Patentee after: Shanghai Daren Construction Technology Group Co.,Ltd. Country or region after: China Address before: 201112 room a, 1f, No. 60, Lane 1818, LIANHANG Road, Minhang District, Shanghai Patentee before: Shanghai Daren Construction Engineering Co.,Ltd. Country or region before: China |
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