CN109855215B - Soil source central air conditioner - Google Patents
Soil source central air conditioner Download PDFInfo
- Publication number
- CN109855215B CN109855215B CN201910063129.XA CN201910063129A CN109855215B CN 109855215 B CN109855215 B CN 109855215B CN 201910063129 A CN201910063129 A CN 201910063129A CN 109855215 B CN109855215 B CN 109855215B
- Authority
- CN
- China
- Prior art keywords
- freon
- pipe
- heat exchange
- water
- heat exchanger
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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 invention discloses a soil source central air conditioner, and belongs to the field of indoor temperature adjusting devices. The air conditioner is characterized by further comprising a water circulation system, a Freon circulation system and a heat exchanger, wherein the heat exchanger is arranged in the shell of the external machine, an air outlet is formed in the shell of the internal machine, and a heat exchange fan is arranged in the shell of the internal machine; the heat exchanger comprises a water heat exchange tube and a Freon heat exchange tube, and the two groups of pipelines are mutually coiled or stacked together but are not communicated with each other; the water circulation system is communicated with the water heat exchange tube of the heat exchanger, and the freon circulation system is communicated with the freon heat exchange tube of the heat exchanger. The water circulation system and the Freon circulation system can exchange heat through the heat exchanger. The invention utilizes soil as a heat source, avoids the problems of groundwater waste and pollution, reduces the influence of external environment on the device as much as possible in the process of water circulation heat transmission by improving the main water inlet pipe and the main water outlet pipe, and reduces the loss of heat energy in the process of transmission.
Description
Technical Field
The invention belongs to the field of indoor temperature adjusting devices, and particularly relates to a soil source central air conditioner.
Background
The soil source heat pump is a device which completes heat exchange with the interior of a building through a pipeline system deeply buried around the building by utilizing the characteristic that the temperature of underground normal-temperature soil is relatively stable. Heat is taken from soil in winter to heat buildings; in summer, heat is discharged to the soil to refrigerate the building. Soil is used as a heat source and a cold source, and heat or cold is supplied to a building through a high-efficiency heat pump unit. The energy efficiency ratio of the high-efficiency heat pump unit can generally reach more than 4.0kw/kw, compared with the configuration of a traditional water chilling unit and a boiler, the annual energy consumption can be saved by about 40%, the initial investment is higher, the machine room area is smaller, considerable water consumption of a cooling tower of a conventional system is saved, the operation cost is low, no harmful substance is generated, no pollution is caused to the environment, and the effect of environmental protection is realized.
However, the soil source heat pump technology has many problems in practical production application. Firstly, the technical products sold in the market at present have single models and small scale and power, and cannot meet the commercial use requirements; in addition, although the technology takes soil as a heat source, the problems of groundwater waste and pollution can not occur, the influence of environmental factors outside the device is large in the transmission process, and the heat loss is large.
In view of the problems, the applicant designs the soil source central air conditioner, which can organically combine and interactively utilize two systems of the soil heat source and the Freon heat energy, and provides a more optimized temperature regulation mode.
Disclosure of Invention
The invention aims to solve the technical problem of providing a soil source central air conditioner which can organically combine and interactively utilize two sets of systems of a soil heat source and Freon heat energy and provide a more optimized temperature regulation mode; the second technical problem solved by the invention is that the influence of the external environment on the device can be reduced as much as possible by arranging a special heat energy transmission pipeline, and the loss of heat energy in the transmission process is reduced.
The technical scheme adopted by the invention for solving the technical problems is as follows: the soil source central air conditioner comprises an outdoor unit arranged outdoors and more than one indoor unit arranged indoors, and is characterized by further comprising a water circulation system, a Freon circulation system and a heat exchanger, wherein the heat exchanger is arranged in a shell of the outdoor unit, an air outlet is formed in the shell of the indoor unit, and a heat exchange fan is arranged in the shell of the indoor unit; the heat exchanger comprises a water heat exchange tube and a Freon heat exchange tube, and the two groups of pipelines are mutually coiled or stacked together but are not communicated with each other; the water circulation system is communicated with the water heat exchange tube of the heat exchanger, and the freon circulation system is communicated with the freon heat exchange tube of the heat exchanger. The water circulation system and the Freon circulation system can exchange heat through the heat exchanger;
the water circulation system comprises a front water pump, a rear water pump, a main water inlet pipe, a main water outlet pipe and an underground heat exchange pipe, the front end of the main water inlet pipe is communicated with the front end of the underground heat exchange pipe through the front water pump, and the rear end of the main water inlet pipe is connected with the front end of the water heat exchange pipe of the heat exchanger; the rear end of a water heat exchange pipe of the heat exchanger is connected with the front end of the main water outlet pipe; the rear end of the main water outlet pipe is provided with a rear water pump, and the main water outlet pipe is communicated with the front end of the underground heat exchange pipe through the rear water pump;
the Freon circulating system comprises a plurality of groups of Freon circulating branches, each group of Freon circulating branches comprises a Freon branch pipe, a four-way reversing valve, a Freon evaporating pipe, a liquid storage tank and a compressor, and a four-way interface of the four-way reversing valve is respectively connected with the Freon evaporating pipe, the liquid storage tank, the compressor and one end of a Freon heat exchange pipe in the heat exchanger through the Freon branch pipe; the other end of the Freon heat exchange tube is connected with a Freon evaporation tube; the liquid storage tank is connected with the compressor.
Preferably, the underground heat exchange pipe is buried in the soil with the bottom surface being 0.5-3 m; the underground heat exchange tube is made of brass tubes, and resistance-increasing internal threads are arranged in the inner wall of the tube of the underground heat exchange tube.
Preferably, the main water inlet pipe and the main water outlet pipe both comprise metal outer pipes, and four reinforcing inner ribs with T-shaped cross sections are annularly distributed on the inner walls of the metal outer pipes; a silica gel outer pipe and a silica gel inner pipe are sleeved in the metal outer pipe, and air is filled between the silica gel outer pipe and the silica gel inner pipe; underground water flows in the silica gel inner tube.
Preferably, the number of the outdoor units installed outdoors is one, and the number of the indoor units installed indoors is one to ten.
Preferably, the refrigerant in the water circulation system consists of ethylene glycol and water, wherein the mass ratio of the ethylene glycol to the water is 1: 1.
the invention has the beneficial effects that:
1. the product combines the advantages of the soil source heat pump and the refrigerant circulating air conditioner, and through repeated operation experiments, the energy-saving effect of the product is greatly enhanced by coordinating the opening and closing of the two sets of circulating systems in the refrigerating and heating modes respectively. The invention integrates the structural characteristics of the central air conditioner and applies the high-efficiency operation of the central air conditioner and the central air conditioner to the coordinated operation of a plurality of groups of indoor air conditioners. In order to ensure the relatively independent operation of each group of indoor air conditioners in a room, the layout of the whole system adopts a one-to-one independent control mode formed by the indoor air conditioners and the outdoor compressors, and the independent operation or the combined operation of the outdoor compressors participates in the heat exchange of the outdoor integral heat exchanger. The high power consumption condition of traditional central control temperature regulation has effectively been avoided to this product, and the use convenient operation of product, temperature regulation are efficient, and very suitable in the industry promotes.
2. The invention utilizes soil as a heat source, avoids the problems of groundwater waste and pollution, reduces the influence of external environment on the device as much as possible in the process of water circulation heat transmission by improving the main water inlet pipe and the main water outlet pipe, and reduces the loss of heat energy in the process of transmission.
3. The invention has simple structure, flexible and convenient use, high efficiency and energy saving. The manufacturing cost is low, the practicality is good, and the popularization in the industry is suitable.
Drawings
FIG. 1 is a schematic diagram of the working principle of the present invention;
FIG. 2 is a schematic cross-sectional view of a metal outer tube;
in the figure: 1. a freon manifold; 2. a heat exchanger; 4. an outdoor unit; 5. a rear water pump; 6. a water outlet pipe is arranged; 8. A water heat exchange pipe; 9. a Freon heat exchange tube; 10. a main water inlet pipe; 11. a front water pump; 12. an underground heat exchange pipe; 14. An internal machine; 15. a Freon evaporator tube; 17. A heat exchange fan; 20. A compressor; 21. a four-way reversing valve; 22. a liquid storage tank; 24. Reinforcing the inner ribs; 25. a metal outer tube; 26. a silica gel inner tube; 37. Silica gel outer tube.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
A soil source central air conditioner comprises an outdoor unit arranged outdoors, more than one indoor unit arranged indoors, a water circulation system, a Freon circulation system and a heat exchanger, wherein the heat exchanger is arranged in a casing of the outdoor unit; the heat exchanger comprises a water heat exchange tube and a Freon heat exchange tube, and the two groups of pipelines are mutually coiled or stacked together but are not communicated with each other; the water circulation system is communicated with the water heat exchange tube of the heat exchanger, and the freon circulation system is communicated with the freon heat exchange tube of the heat exchanger. The water circulation system and the Freon circulation system can exchange heat through the heat exchanger.
The water circulation system comprises a front water pump, a rear water pump, a main water inlet pipe, a main water outlet pipe and an underground heat exchange pipe, the front end of the main water inlet pipe is communicated with the front end of the underground heat exchange pipe through the front water pump, and the rear end of the main water inlet pipe is connected with the front end of the water heat exchange pipe of the heat exchanger; the rear end of a water heat exchange pipe of the heat exchanger is connected with the front end of the main water outlet pipe; and the rear end of the main water outlet pipe is provided with a rear water pump, and the main water outlet pipe is communicated with the front end of the underground heat exchange pipe through the rear water pump.
The Freon circulating system comprises a plurality of groups of Freon circulating branches, each group of Freon circulating branches comprises a Freon branch pipe, a four-way reversing valve, a Freon evaporating pipe, a liquid storage tank and a compressor, and a four-way interface of the four-way reversing valve is respectively connected with the Freon evaporating pipe, the liquid storage tank, the compressor and one end of a Freon heat exchange pipe in the heat exchanger through the Freon branch pipe; the other end of the Freon heat exchange tube is connected with a Freon evaporation tube; the liquid storage tank is connected with the compressor.
The underground heat exchange pipe is buried in the soil with the bottom surface being 0.5-3 m; the underground heat exchange tube is made of brass tubes, and resistance-increasing internal threads are arranged in the inner wall of the tube of the underground heat exchange tube.
As shown in fig. 2, the main water inlet pipe and the main water outlet pipe both comprise metal outer pipes, and four reinforcing inner ribs with T-shaped cross sections are annularly distributed on the inner walls of the metal outer pipes; and a silica gel outer pipe and a silica gel inner pipe are sleeved in the metal outer pipe.
The number of the outdoor units installed outdoors is one, and the number of the indoor units installed indoors is one to ten.
The refrigerant in the water circulation system consists of glycol and water, wherein the mass ratio of the glycol to the water is 1: 1.
the system is installed by first confirming the number of indoor air conditioners so that the number of compressors in the matching outdoor unit is consistent with that. When the water circulation system and the Freon circulation system are installed, the Freon circulation system driven by the compressor is installed in a mode that a single group of circulation corresponds to a single indoor air conditioner host. Meanwhile, the system designs a group of heat exchangers in an outdoor unit for heat exchange so as to ensure the heat exchange between the Freon circulating system and the water circulating system.
It should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and any equivalent or similar substitutes within the scope of the present invention will be apparent to those skilled in the art from the following description and claims.
Claims (5)
1. A central air conditioner of soil source, include one install outdoor unit and more than one indoor units installed in indoor, characterized by also including water circulation system, freon circulation system and heat exchanger, the said heat exchanger is installed in outer casing, set up the air outlet on the casing of the indoor unit, install the heat exchange fan in the casing of the indoor unit; the heat exchanger comprises a water heat exchange tube and a Freon heat exchange tube, and the two groups of pipelines are mutually coiled or stacked together but are not communicated with each other; the water circulation system is communicated with a water heat exchange tube of the heat exchanger, and the Freon circulation system is communicated with a Freon heat exchange tube of the heat exchanger; the water circulation system and the Freon circulation system can exchange heat through the heat exchanger;
the water circulation system comprises a front water pump, a rear water pump, a main water inlet pipe, a main water outlet pipe and an underground heat exchange pipe, the front end of the main water inlet pipe is communicated with the front end of the underground heat exchange pipe through the front water pump, and the rear end of the main water inlet pipe is connected with the front end of the water heat exchange pipe of the heat exchanger; the rear end of a water heat exchange pipe of the heat exchanger is connected with the front end of the main water outlet pipe; the rear end of the main water outlet pipe is provided with a rear water pump, and the main water outlet pipe is communicated with the front end of the underground heat exchange pipe through the rear water pump;
the Freon circulating system comprises a plurality of groups of Freon circulating branches, each group of Freon circulating branches comprises a Freon branch pipe, a four-way reversing valve, a Freon evaporating pipe, a liquid storage tank and a compressor, and a four-way interface of the four-way reversing valve is respectively connected with the Freon evaporating pipe, the liquid storage tank, the compressor and one end of a Freon heat exchange pipe in the heat exchanger through the Freon branch pipe; the other end of the Freon heat exchange tube is connected with a Freon evaporation tube; the liquid storage tank is connected with the compressor.
2. The soil source central air conditioner of claim 1, wherein the underground heat exchange pipe is buried in the soil with a bottom surface of 0.5-3 m; the underground heat exchange tube is made of brass tubes, and resistance-increasing internal threads are arranged in the inner wall of the tube of the underground heat exchange tube.
3. The soil source central air conditioner of claim 2, wherein the main water inlet pipe and the main water outlet pipe each comprise a metal outer pipe, and four reinforcing inner ribs with T-shaped cross sections are annularly distributed on the inner wall of the metal outer pipe; a silica gel outer pipe and a silica gel inner pipe are sleeved in the metal outer pipe, and air is filled between the silica gel outer pipe and the silica gel inner pipe; underground water flows in the silica gel inner tube.
4. The soil source central air conditioner according to claim 3, wherein the number of the outdoor units installed outdoors is one, and the number of the indoor units installed indoors is one to ten.
5. The soil source central air conditioner of claim 4, wherein the refrigerant in the water circulation system is composed of glycol and water, wherein the mass ratio of glycol to water is 1: 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910063129.XA CN109855215B (en) | 2019-01-23 | 2019-01-23 | Soil source central air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910063129.XA CN109855215B (en) | 2019-01-23 | 2019-01-23 | Soil source central air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109855215A CN109855215A (en) | 2019-06-07 |
| CN109855215B true CN109855215B (en) | 2020-11-10 |
Family
ID=66895672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910063129.XA Active CN109855215B (en) | 2019-01-23 | 2019-01-23 | Soil source central air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109855215B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201093650Y (en) * | 2007-09-06 | 2008-07-30 | 上海海事大学 | Underground water source air conditioner |
| FR2941517B1 (en) * | 2009-01-28 | 2011-03-18 | Jules Hayart | ENVIRONMENTAL REAL ESTATE INSTALLATION |
| CN102466372A (en) * | 2010-11-10 | 2012-05-23 | 赵辉 | Total-heat recovery wind-water double-source triple co-generation system |
| CN102589072B (en) * | 2012-03-21 | 2013-07-10 | 淄博一村空调有限公司 | Double-medium circulation humidifying air conditioner capable of cooling and heating |
| KR101381812B1 (en) * | 2012-07-12 | 2014-04-07 | (주)센도리 | the solar heat and dualistic regenerative system air-conditioning apparatus |
| JP6455867B2 (en) * | 2014-03-31 | 2019-01-23 | 国立大学法人 東京大学 | Water heat source outside air treatment unit with heat pump |
| CN107036215B (en) * | 2017-06-07 | 2020-05-15 | 山东一村空调有限公司 | Intelligent dual-energy double-effect air conditioner |
-
2019
- 2019-01-23 CN CN201910063129.XA patent/CN109855215B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109855215A (en) | 2019-06-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108644863B (en) | Air source heat pump assembled radiation convection plate heating device | |
| CN101995067B (en) | Air conditioning system combined by indirect evaporation chiller plant and traditional mechanical refrigerating unit | |
| CN211476360U (en) | Ground source heat pump air conditioning device for energy storage battery container | |
| CN204830289U (en) | Carbon dioxide air conditioning system for building and contain this air conditioning system's building | |
| CN101929764A (en) | Solar energy-air-geothermal energy three-heat-source heat pump air conditioning unit | |
| CN201429161Y (en) | Integral water resource air conditioner with heat pump | |
| CN101210719A (en) | Double energy sources cold and hot water set central air-conditioning system | |
| CN109855215B (en) | Soil source central air conditioner | |
| CN208012158U (en) | Geothermal heat pump air-conditioning system and its outdoor ground energy exchanger | |
| CN201425389Y (en) | Heat pump and air conditioning water heater integrated machine capable of storing energy | |
| CN105066498A (en) | Carbon dioxide air conditioning system for building and building with air conditioning system | |
| CN202216444U (en) | Multi-stage sleeve heat exchange type water cooler | |
| CN216048463U (en) | Heat pump system of modular indoor natural convection heat exchange unit | |
| CN201811380U (en) | Solar energy-air-geothermal energy three-heat-source heat pump air conditioning unit | |
| CN210602334U (en) | Shallow geothermal utilization equipment for improving energy efficiency of ground source heat pump | |
| CN202361694U (en) | Double-condition heat-recovery cold-and-hot water device of ground source heat pump | |
| CN207123019U (en) | A kind of power saving ground-source heat pump | |
| CN2486897Y (en) | Water heater using waste heat of refrigeration device | |
| CN201503087U (en) | Novel air conditioner with air source heat pump | |
| CN201229088Y (en) | Cold and hot water unit of multi-heat source triple heat supply pump | |
| CN110762906A (en) | Seasonal heat exchanger | |
| CN200996758Y (en) | Central air-conditioner system of double energy source cold-hot water apparatus set | |
| CN111256258A (en) | Evaporation condensation water chilling unit combined with fluorine pump for natural cooling | |
| CN212930313U (en) | Heat pump energy-saving air conditioning system | |
| CN211625560U (en) | Domestic mobile air conditioner externally connected with cold and heat sources |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A soil source central heating and cooling air conditioner Effective date of registration: 20230427 Granted publication date: 20201110 Pledgee: Shandong Zhoucun Rural Commercial Bank Co.,Ltd. Pledgor: SHANDONG YICUN AIR CONDITIONING Co.,Ltd. Registration number: Y2023980039331 |