CN215175609U - Natural cold source cooling system of ultralow energy consumption building - Google Patents
Natural cold source cooling system of ultralow energy consumption building Download PDFInfo
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- CN215175609U CN215175609U CN202023199329.5U CN202023199329U CN215175609U CN 215175609 U CN215175609 U CN 215175609U CN 202023199329 U CN202023199329 U CN 202023199329U CN 215175609 U CN215175609 U CN 215175609U
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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
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/40—Geothermal heat-pumps
Abstract
The utility model discloses an ultralow energy consumption building natural cold source cooling system, include: the top of the inner side of the ultra-low energy consumption building is provided with a cold radiation ceiling, and the inner wall of the ultra-low energy consumption building is provided with a temperature and humidity sensor; a temperature control valve is arranged on a liquid inlet pipeline between the circulating water pump and the cold radiation ceiling, and the temperature control valve is electrically connected with a temperature and humidity sensor; the central controller is arranged outside the ultra-low energy consumption building, the circulating water pump is provided with a frequency converter, and the central controller is electrically connected with the frequency converter. The secondary refrigerant realizes cold exchange with the soil with constant temperature through the soil heat exchanger buried for 100 meters vertically underground, and after being cooled by the soil, the secondary refrigerant enters the cold radiation ceiling of the ultra-low energy consumption building through the circulating pipeline, and cools the inside of the building through radiation and convection, and the natural soil cold source realizes the cooling of the building, thereby greatly saving energy and meeting the energy-saving requirement of the ultra-low energy consumption building.
Description
Technical Field
The utility model belongs to the technical field of energy-conserving building, especially, relate to a natural cold source cooling system of ultralow energy consumption building.
Background
In energy-saving buildings on the market, the structural design of houses with low energy consumption and zero energy consumption is very hot, which is mainly the concept of low energy consumption, so that people are very interested in the houses, and the houses also accord with the trend of energy conservation and environmental protection. At present, an ultra-low energy consumption building is widely popularized as an energy-saving building, but in summer, the refrigeration still adopts an electric compression type air conditioning system, the power consumption is large, and the energy-saving effect of the ultra-low energy consumption building is greatly reduced.
Therefore, in order to solve the above technical problems, it is necessary to design a cooling device capable of reducing the energy requirement of the building.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a simple structure, utilize the natural cold source cooling, the natural cold source cooling system of ultralow energy consumption building of energy saving demand.
The technical scheme of the utility model as follows:
an ultra-low energy consumption building natural cold source cooling system, comprising: the system comprises an ultra-low energy consumption building, a soil heat exchanger buried underground, a circulating pipeline arranged between the ultra-low energy consumption building and the soil heat exchanger, and a central controller used for controlling a cooling system;
a cold radiation ceiling is arranged at the top of the inner side of the ultra-low energy consumption building, and a temperature and humidity sensor is mounted on the inner wall of the ultra-low energy consumption building;
the circulating pipeline comprises a liquid inlet pipeline and a liquid outlet pipeline, a cold liquid port of the soil heat exchanger is communicated with a liquid inlet of the cold radiation ceiling through the liquid inlet pipeline, a hot liquid port of the soil heat exchanger is communicated with a liquid outlet of the cold radiation ceiling through the liquid outlet pipeline so as to be used for sending the secondary refrigerant in the soil heat exchanger into the cold radiation ceiling through the liquid inlet pipeline for cooling, the heated secondary refrigerant circulates back into the soil heat exchanger through the liquid outlet pipeline, a circulating water pump is installed on the liquid inlet pipeline so as to exchange heat with the secondary refrigerant in the soil heat exchanger, a temperature control valve is installed on the liquid inlet pipeline between the circulating water pump and the cold radiation ceiling, and the temperature control valve is electrically connected with a temperature and humidity sensor so as to control the temperature of the secondary refrigerant entering the cold radiation ceiling;
the central controller is arranged outside the ultra-low energy consumption building, the central controller is electrically connected with the temperature and humidity sensor and the temperature control valve through control lines, a frequency converter is arranged on the circulating water pump, and the central controller is electrically connected with the frequency converter and used for adjusting the flow of the circulating water pump.
In the above technical scheme, the depth of the soil heat exchanger buried underground is 100 m.
In the technical scheme, the heat exchange fins are arranged on the outer wall of the heat exchange tube in the soil heat exchanger so as to improve the heat exchange performance of the soil heat exchanger.
In the above technical scheme, a constant pressure water tank is installed on the circulating pipeline to stabilize the pressure in the cooling system.
In the technical scheme, a climate compensator is arranged outside the ultralow-energy-consumption building and used for detecting the outdoor temperature, humidity and irradiance of the building, and the climate compensator is electrically connected with the central controller.
In the technical scheme, a bypass pipe is connected between the liquid inlet pipeline and the liquid outlet pipeline, and a flow regulating valve is installed on the bypass pipe.
The utility model has the advantages and positive effects that:
1. the secondary refrigerant realizes cold exchange with the soil with constant temperature through the soil heat exchanger buried for 100 meters vertically underground, and after being cooled by the soil, the secondary refrigerant enters the cold radiation ceiling of the ultra-low energy consumption building through the circulating pipeline, and cools the inside of the building through radiation and convection, and the natural soil cold source realizes the cooling of the building, thereby greatly saving energy and meeting the energy-saving requirement of the ultra-low energy consumption building.
2. A temperature and humidity sensor in the building and an outdoor climate compensator respectively collect indoor or outdoor temperature and humidity, and a central controller controls the flow and temperature of secondary refrigerant in the cooling system, so that the temperature control in the ultra-low energy consumption building is realized.
Drawings
FIG. 1 is a schematic structural diagram of a natural cold source cooling system of an ultra-low energy consumption building of the present invention;
fig. 2 is a cross-sectional view of the inside of the tube of the soil heat exchanger of the present invention.
In the figure:
1. circulating pump 2, soil heat exchanger 3, circulating line
4. Cold radiation ceiling 5, ultra-low energy consumption building 6 and temperature and humidity sensor
7. Central controller 8, frequency converter 9, control line
10. Temperature control valve 11, climate compensator 12 and constant pressure water tank
13. Heat exchange fins 14, bypass pipe 15 and flow control valve
Detailed Description
The present invention will be described in further detail with reference to specific examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the present disclosure, as defined by the following claims.
Example 1
As shown in the figure, the utility model discloses a natural cold source cooling system of ultralow energy consumption building, include: the system comprises an ultra-low energy consumption building, a soil heat exchanger buried underground, a circulating pipeline arranged between the ultra-low energy consumption building and the soil heat exchanger, and a central controller used for controlling a cooling system;
a cold radiation ceiling is arranged at the top of the inner side of the ultra-low energy consumption building, and a temperature and humidity sensor is mounted on the inner wall of the ultra-low energy consumption building;
the circulating pipeline comprises a liquid inlet pipeline and a liquid outlet pipeline, a cold liquid port of the soil heat exchanger is communicated with a liquid inlet of the cold radiation ceiling through the liquid inlet pipeline, a hot liquid port of the soil heat exchanger is communicated with a liquid outlet of the cold radiation ceiling through the liquid outlet pipeline so as to be used for sending the secondary refrigerant in the soil heat exchanger into the cold radiation ceiling through the liquid inlet pipeline for cooling, the heated secondary refrigerant circulates back into the soil heat exchanger through the liquid outlet pipeline, a circulating water pump is installed on the liquid inlet pipeline so as to exchange heat with the secondary refrigerant in the soil heat exchanger, a temperature control valve is installed on the liquid inlet pipeline between the circulating water pump and the cold radiation ceiling, and the temperature control valve is electrically connected with a temperature and humidity sensor so as to control the temperature of the secondary refrigerant entering the cold radiation ceiling;
the central controller is arranged outside the ultra-low energy consumption building, the central controller is electrically connected with the temperature and humidity sensor and the temperature control valve through control lines, a frequency converter is arranged on the circulating water pump, and the central controller is electrically connected with the frequency converter and used for adjusting the flow of the circulating water pump.
Further, the depth of the soil heat exchanger buried underground is 100m, and the soil heat exchanger is a U-shaped pipe, so that cold exchange with constant-temperature soil is realized.
Further, heat exchange fins are arranged on the outer wall of the heat exchange tube in the soil heat exchanger, so that the heat exchange performance of the soil heat exchanger is improved.
Further, a constant pressure water tank is installed on the circulating pipeline to stabilize the pressure in the cooling system.
Furthermore, a climate compensator is arranged outside the ultra-low energy consumption building and used for detecting the outdoor temperature, humidity and irradiance of the building, and the climate compensator is electrically connected with the central controller.
Furthermore, a bypass pipe is connected between the liquid inlet pipeline and the liquid outlet pipeline, and a flow regulating valve is installed on the bypass pipe.
The utility model discloses a natural cold source cooling system of ultralow energy consumption building's theory of operation as follows:
the soil heat exchanger is buried underground for 100m, the soil with the depth of 100m is constant in temperature, the secondary refrigerant in the soil heat exchanger is pumped out by the circulating water pump and is conveyed into the cold radiation ceiling through the liquid inlet pipeline to cool the ultra-low energy consumption building, the heated secondary refrigerant is conveyed back into the soil heat exchanger through the liquid outlet pipeline to perform cold exchange with the constant-temperature soil heat, and the heat energy is exchanged in a circulating and reciprocating manner; temperature and humidity signals detected by a temperature and humidity sensor arranged in the ultra-low energy consumption building are sent to a central controller, a climate compensator detects outdoor temperature and humidity and irradiance and sends the outdoor temperature and humidity and irradiance signals to the central controller, and the central controller controls a temperature control valve, a flow regulating valve and a frequency converter to operate according to indoor temperature and humidity, outdoor temperature and humidity and irradiance, so that the flow and the temperature of secondary refrigerant entering a cold radiation ceiling are controlled, and the temperature control in the ultra-low energy consumption building is realized.
Spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used in the embodiments for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "lower" can encompass both an upper and a lower orientation. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Moreover, relational terms such as "first" and "second," and the like, may be used solely to distinguish one element from another element having the same name, without necessarily requiring or implying any actual such relationship or order between such elements.
The invention has been described above by way of example, and it should be noted that any simple variants, modifications or other equivalent substitutions by a person skilled in the art without spending creative effort may fall within the scope of protection of the present invention without departing from the core of the present invention.
Claims (6)
1. The utility model provides an ultra-low energy consumption building natural cold source cooling system which characterized in that: the system comprises an ultra-low energy consumption building, a soil heat exchanger buried underground, a circulating pipeline arranged between the ultra-low energy consumption building and the soil heat exchanger, and a central controller used for controlling a cooling system;
a cold radiation ceiling is arranged at the top of the inner side of the ultra-low energy consumption building, and a temperature and humidity sensor is mounted on the inner wall of the ultra-low energy consumption building;
the circulating pipeline comprises a liquid inlet pipeline and a liquid outlet pipeline, a cold liquid port of the soil heat exchanger is communicated with a liquid inlet of the cold radiation ceiling through the liquid inlet pipeline, a hot liquid port of the soil heat exchanger is communicated with a liquid outlet of the cold radiation ceiling through the liquid outlet pipeline so as to be used for sending the secondary refrigerant in the soil heat exchanger into the cold radiation ceiling through the liquid inlet pipeline for cooling, the heated secondary refrigerant circulates back into the soil heat exchanger through the liquid outlet pipeline, a circulating water pump is installed on the liquid inlet pipeline so as to exchange heat with the secondary refrigerant in the soil heat exchanger, a temperature control valve is installed on the liquid inlet pipeline between the circulating water pump and the cold radiation ceiling, and the temperature control valve is electrically connected with a temperature and humidity sensor so as to control the temperature of the secondary refrigerant entering the cold radiation ceiling;
the central controller is arranged outside the ultra-low energy consumption building, the central controller is electrically connected with the temperature and humidity sensor and the temperature control valve through control lines, a frequency converter is arranged on the circulating water pump, and the central controller is electrically connected with the frequency converter and used for adjusting the flow of the circulating water pump.
2. The ultra-low energy consumption natural cold source cooling system for buildings according to claim 1, characterized in that: the depth of the soil heat exchanger buried underground is 100 m.
3. The ultra-low energy consumption natural cold source cooling system for buildings according to claim 2, characterized in that: and heat exchange fins are arranged on the outer wall of a heat exchange tube in the soil heat exchanger to improve the heat exchange performance of the soil heat exchanger.
4. The ultra-low energy consumption natural cold source cooling system for buildings according to claim 3, characterized in that: and a constant-pressure water tank is arranged on the circulating pipeline and used for stabilizing the pressure in the cooling system.
5. The ultra-low energy consumption natural cold source cooling system for buildings according to claim 4, characterized in that: the outdoor temperature and humidity and irradiance of the building are detected by a climate compensator arranged outside the ultra-low energy consumption building, and the climate compensator is electrically connected with the central controller.
6. The ultra-low energy consumption natural cold source cooling system for buildings according to claim 5, characterized in that: and a bypass pipe is connected between the liquid inlet pipeline and the liquid outlet pipeline, and a flow regulating valve is installed on the bypass pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023199329.5U CN215175609U (en) | 2020-12-25 | 2020-12-25 | Natural cold source cooling system of ultralow energy consumption building |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023199329.5U CN215175609U (en) | 2020-12-25 | 2020-12-25 | Natural cold source cooling system of ultralow energy consumption building |
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| CN215175609U true CN215175609U (en) | 2021-12-14 |
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| CN202023199329.5U Active CN215175609U (en) | 2020-12-25 | 2020-12-25 | Natural cold source cooling system of ultralow energy consumption building |
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- 2020-12-25 CN CN202023199329.5U patent/CN215175609U/en active Active
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