CN106839837B - Gravity heat pipe heat exchanger capable of being switched in winter and summer in air conditioner and switching method thereof - Google Patents
Gravity heat pipe heat exchanger capable of being switched in winter and summer in air conditioner and switching method thereof Download PDFInfo
- Publication number
- CN106839837B CN106839837B CN201611207429.3A CN201611207429A CN106839837B CN 106839837 B CN106839837 B CN 106839837B CN 201611207429 A CN201611207429 A CN 201611207429A CN 106839837 B CN106839837 B CN 106839837B
- Authority
- CN
- China
- Prior art keywords
- static pressure
- pipe
- valves
- fresh air
- inlet pipe
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F12/00—Use of energy recovery systems in air conditioning, ventilation or screening
- F24F12/001—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air
- F24F12/002—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air using an intermediate heat-transfer fluid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F12/00—Use of energy recovery systems in air conditioning, ventilation or screening
- F24F12/001—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air
- F24F12/002—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air using an intermediate heat-transfer fluid
- F24F2012/005—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air using an intermediate heat-transfer fluid using heat pipes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention provides a gravity heat pipe heat exchanger capable of being switched between winter and summer in an air conditioner and a switching method thereof, comprising a gravity heat pipe heat exchanger body, wherein the gravity heat pipe heat exchanger body is provided with an evaporation end (11) positioned at the lower part and a condensation end (12) positioned at the upper part, the evaporation end (11) and the condensation end (12) are mutually airtight and isolated, two outer sides of the evaporation end (11) are respectively provided with a lower static pressure box (21), two outer sides of the condensation end (12) are respectively provided with an upper static pressure box (22), and the lower static pressure boxes (21) and the upper static pressure boxes (22) are mutually airtight and isolated; the outer side of one lower static pressure box (21) is respectively communicated with a fresh air inlet pipe (41) and an exhaust air outlet pipe (42) through two lower valves (31), and the outer side of the other lower static pressure box (21) is respectively communicated with a fresh air outlet pipe (43) and an exhaust air inlet pipe (44) through two other lower valves (32); the outer side of one upper static pressure box (22) is respectively communicated with the fresh air inlet pipe (41) and the air exhaust outlet pipe (42) through two upper valves (33), and the outer side of the other upper static pressure box (22) is respectively communicated with the fresh air outlet pipe (43) and the air exhaust inlet pipe (44) through two other upper valves (34).
Description
Technical Field
The invention relates to a gravity heat pipe heat exchanger in an air conditioner.
Background
The heat pipe is a heat transfer element with high heat conducting performance, and it transfers heat through evaporation and condensation of working medium in the fully enclosed vacuum tube shell, and has the advantages of extremely high heat conductivity, good isothermicity, arbitrary change of heat transfer area at both cold and hot sides, long-distance heat transfer, controllable temperature and the like.
The heat pipe is a high-efficiency heat transfer element which realizes heat transfer by means of phase change of working liquid in the heat pipe, and can transfer a large amount of heat through a small cross section area of the heat pipe for a long distance without external power. The heat pipe has ingenious conception, small transmission temperature difference and wide applicable temperature range, can regulate and control a plurality of excellent characteristics such as heat flow density in the pipe, and has shown unique effects in the aspects of energy recovery and waste heat utilization. The heat pipe heat exchanger belongs to surface heat exchange with cold and hot fluid not contacting each other, and has the advantages of small occupied area, no rotating parts, safe and reliable operation, high heat exchange efficiency and the like, thereby creating convenient conditions for engineering selection.
The heat exchanger using the heat pipe as the heat transfer element has the advantages of high heat transfer efficiency, compact structure, small fluid resistance loss, contribution to control of dew point corrosion and the like. The method is widely applied to industries such as metallurgy, chemical industry, oil refining, boilers, ceramics, traffic, light spinning, machinery and the like at present, and can be used as energy-saving equipment for waste heat recovery and heat energy utilization in the technical process, thereby obtaining remarkable economic benefit.
The heat pipe type heat exchanger is the common exhaust heat recovery equipment in the current air conditioning system, and mainly consists of a plurality of heat pipes. The gravity assisted heat pipe heat exchanger is composed of two parts passing through hot and cold air streams, respectively. The heat pipe is composed of a closed vacuum metal pipe filled with refrigerant, once one end (evaporating end of a condensing end) of the heat pipe is heated, liquid in the pipe is vaporized in a short time under the action of external heat and flows to the other end of the heat pipe under the action of differential pressure, then the gas gives off heat to the outside and condenses into liquid, then the liquid returns to the original end (condensing end) of the heat pipe under the action of gravity and is heated and vaporized again, the working process is continuously circulated, and the heat is continuously transferred from the end of the heat pipe to the other end.
The gravity heat pipe heat exchanger in the current air conditioner is in unidirectional heat transfer, because the upper and lower parts of the gravity heat pipe are a condenser and an evaporator respectively, the upper side releases heat and the lower side absorbs heat, so the lower side of the heat exchanger always flows through hot air, and the upper side always flows through cold air. In winter, the indoor air is hot air, the outdoor air is cold air, and in summer, the other way round; therefore, the cold and hot wind directions of the gravity heat pipe heat exchanger in winter and summer are different.
The fresh air exchanges heat under the upper exhaust air in winter, the lower exhaust air releases heat, the upper fresh air absorbs heat, and the fresh air exchanges heat with the exhaust air and heats up; the fresh air in summer exchanges heat in the upper part of the air exhaust, the upper part of the air exhaust releases heat, the upper part of the fresh air absorbs heat, and the fresh air exchanges heat with the air exhaust and cools.
The heat pipe exchanger has the defects that the heat pipe exchanger cannot be freely switched in winter and summer, and the installation position of the condensation section is higher than that of the evaporation section for the gravity type heat pipe, so that the heat pipe exchanger is suitable for the occasion that cold air is above and hot air is below; if the device is used for the annual exhaust energy recovery of an air conditioning system, the positions of an air inlet and an air outlet relative to a heat pipe are required to be converted when fresh air preheating treatment is carried out in winter.
Disclosure of Invention
The invention aims to solve the problems and provides a gravity heat pipe heat exchanger capable of being switched between winter and summer in an air conditioner and a switching method thereof, so that the gravity heat pipe heat exchanger can meet ventilation and heat exchange requirements of different seasons in winter and summer.
In order to achieve the above purpose, the technical scheme adopted by the invention comprises a gravity heat pipe heat exchanger capable of being switched in winter and summer in an air conditioner, and the gravity heat pipe heat exchanger comprises a gravity heat pipe heat exchanger body, wherein the gravity heat pipe heat exchanger body is provided with an evaporation end positioned at the lower part and a condensation end positioned at the upper part, and the evaporation end and the condensation end are mutually and hermetically isolated, and the gravity heat pipe heat exchanger is characterized in that:
two outer sides of the evaporation end are respectively provided with a lower static pressure box, two outer sides of the condensation end are respectively provided with an upper static pressure box, and the lower static pressure boxes and the upper static pressure boxes are mutually and hermetically isolated;
the outer side of one lower static pressure box is respectively communicated with a fresh air inlet pipe and an exhaust air outlet pipe through two lower valves, and the outer side of the other lower static pressure box is respectively communicated with the fresh air outlet pipe and the exhaust air inlet pipe through two other lower valves;
the outer side of one upper static pressure box is respectively communicated with the fresh air inlet pipe and the exhaust air outlet pipe through two upper valves, and the outer side of the other upper static pressure box is respectively communicated with the fresh air outlet pipe and the exhaust air inlet pipe through two other upper valves.
The invention also discloses a switching method of the gravity heat pipe heat exchanger capable of being switched in winter and summer in the air conditioner, which is provided with the gravity heat pipe heat exchanger capable of being switched in winter and summer in the air conditioner and is characterized in that:
in summer mode, valves between the two upper static pressure boxes and the fresh air inlet pipe and the fresh air outlet pipe are opened, and valves between the two upper static pressure boxes and the exhaust air inlet pipe and the exhaust air outlet pipe are closed; simultaneously, valves between the two lower static pressure boxes and the fresh air inlet pipe and the fresh air outlet pipe are closed, and valves between the two lower static pressure boxes and the exhaust air inlet pipe and the exhaust air outlet pipe are opened;
in winter mode, valves between the two upper static pressure boxes and the fresh air inlet pipe and the fresh air outlet pipe are closed, and valves between the two upper static pressure boxes and the exhaust air inlet pipe and the exhaust air outlet pipe are opened; simultaneously, two static pressure casees with new trend income pipe and the valve between the new trend exit tube opens, and two static pressure casees with exhaust income pipe and the valve between the exit tube of airing exhaust is closed moreover.
Compared with the prior art, the invention has the following beneficial effects: the valve is switched in summer or winter, so that the hotter air flow can flow through the evaporation end of the gravity assisted heat pipe heat exchanger body, and the colder air flow can flow through the condensation end of the gravity assisted heat pipe heat exchanger body, so that the gravity assisted heat pipe heat exchanger body is always in a correct working state. Therefore, the air conditioner with the gravity assisted heat pipe heat exchanger can be easily switched between winter and summer.
Drawings
FIG. 1 is a schematic perspective view of a heat pipe exchanger provided by the present invention;
FIG. 2 is a state diagram of the heat pipe exchanger according to the present invention when in summer;
fig. 3 is a state diagram of the heat pipe exchanger according to the present invention when operating in winter.
Reference numerals illustrate: an evaporation end 11; a condensing end 12; a lower static pressure tank 21; an upper static pressure tank 22; lower valves 31, 32; upper valves 33, 34; fresh air inlet pipe 41; an exhaust outlet pipe 42; a fresh air outlet pipe 43; exhaust air into the duct 44.
Detailed Description
As shown in fig. 1, the gravity assisted heat pipe heat exchanger capable of being switched between winter and summer in the air conditioner provided by the invention comprises a gravity assisted heat pipe heat exchanger body, wherein the gravity assisted heat pipe heat exchanger body is provided with a lower evaporation end 11 and an upper condensation end 12, the evaporation end 11 and the condensation end 12 are mutually airtight and isolated, two outer sides of the evaporation end 11 are respectively provided with a lower static pressure tank 21, two outer sides of the condensation end 12 are respectively provided with an upper static pressure tank 22, and the lower static pressure tank 21 and the upper static pressure tank 22 are mutually airtight and isolated;
the outer side of one lower static pressure box 21 is respectively communicated with a fresh air inlet pipe 41 and an exhaust air outlet pipe 42 through two lower valves 31, and the outer side of the other lower static pressure box 21 is respectively communicated with a fresh air outlet pipe 43 and an exhaust air inlet pipe 44 through two other lower valves 32;
the outer side of one upper static pressure box 22 is respectively communicated with the fresh air inlet pipe 41 and the air exhaust pipe 42 through two upper valves 33, and the outer side of the other upper static pressure box 22 is respectively communicated with the fresh air outlet pipe 43 and the air exhaust inlet pipe 44 through two other upper valves 34.
In the summer mode, as shown in fig. 2, the valves between the two upper static pressure tanks 22 and the fresh air inlet pipe 41 and the fresh air outlet pipe 43 are opened, and the valves between the two upper static pressure tanks 22 and the exhaust air inlet pipe 44 and the exhaust air outlet pipe 42 are closed; simultaneously, valves between the two lower static pressure boxes 21 and the fresh air inlet pipe 41 and the fresh air outlet pipe 43 are closed, and valves between the two lower static pressure boxes 21 and the air exhaust inlet pipe 44 and the air exhaust outlet pipe 42 are opened;
in winter mode, as shown in fig. 3, the valves between the two upper static pressure tanks 22 and the fresh air inlet pipe 41 and the fresh air outlet pipe 43 are closed, and the valves between the two upper static pressure tanks 22 and the exhaust air inlet pipe 44 and the exhaust air outlet pipe 42 are opened; meanwhile, the valves between the two lower static pressure boxes 21 and the fresh air inlet pipe 41 and the fresh air outlet pipe 43 are opened, and the valves between the two lower static pressure boxes 21 and the air exhaust inlet pipe 44 and the air exhaust outlet pipe 42 are closed.
So set up, no matter in summer or winter, as long as the switching valve, can make the hot air current flow through the evaporation end 11 of gravity heat pipe heat exchanger body, the cold air current flows through the condensation end 12 of gravity heat pipe heat exchanger body, guarantees that gravity heat pipe heat exchanger body is in correct operating condition all the time. Therefore, the air conditioner with the gravity assisted heat pipe heat exchanger can be easily switched between winter and summer.
Claims (2)
1. The utility model provides a but gravity heat pipe heat exchanger that winter and summer switched in air conditioner, includes gravity heat pipe heat exchanger body, gravity heat pipe heat exchanger body has evaporation end (11) that are located the lower part and is located condensation end (12) on upper portion, evaporation end (11) and condensation end (12) are airtight isolation each other, its characterized in that:
two outer sides of the evaporation end (11) are respectively provided with a lower static pressure box (21), two outer sides of the condensation end (12) are respectively provided with an upper static pressure box (22), and the lower static pressure boxes (21) and the upper static pressure boxes (22) are mutually and hermetically isolated;
the outer side of one lower static pressure box (21) is respectively communicated with a fresh air inlet pipe (41) and an exhaust air outlet pipe (42) through two lower valves (31), and the outer side of the other lower static pressure box (21) is respectively communicated with a fresh air outlet pipe (43) and an exhaust air inlet pipe (44) through two other lower valves (32);
the outer side of one upper static pressure box (22) is respectively communicated with the fresh air inlet pipe (41) and the air exhaust outlet pipe (42) through two upper valves (33), and the outer side of the other upper static pressure box (22) is respectively communicated with the fresh air outlet pipe (43) and the air exhaust inlet pipe (44) through two other upper valves (34).
2. A method for switching a gravity assisted heat pipe heat exchanger switchable between winter and summer in an air conditioner, comprising the gravity assisted heat pipe heat exchanger switchable between winter and summer in the air conditioner according to claim 1, wherein:
in summer mode, the valves between the two upper static pressure boxes (22) and the fresh air inlet pipe (41) and the fresh air outlet pipe (43) are opened, and the valves between the two upper static pressure boxes (22) and the exhaust air inlet pipe (44) and the exhaust air outlet pipe (42) are closed; simultaneously, valves between the two lower static pressure boxes (21) and the fresh air inlet pipe (41) and the fresh air outlet pipe (43) are closed, and valves between the two lower static pressure boxes (21) and the exhaust air inlet pipe (44) and the exhaust air outlet pipe (42) are opened;
in winter mode, the valves between the two upper static pressure boxes (22) and the fresh air inlet pipe (41) and the fresh air outlet pipe (43) are closed, and the valves between the two upper static pressure boxes (22) and the exhaust air inlet pipe (44) and the exhaust air outlet pipe (42) are opened; simultaneously, valves between the two lower static pressure boxes (21) and the fresh air inlet pipe (41) and the fresh air outlet pipe (43) are opened, and valves between the two lower static pressure boxes (21) and the exhaust air inlet pipe (44) and the exhaust air outlet pipe (42) are closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611207429.3A CN106839837B (en) | 2016-12-23 | 2016-12-23 | Gravity heat pipe heat exchanger capable of being switched in winter and summer in air conditioner and switching method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611207429.3A CN106839837B (en) | 2016-12-23 | 2016-12-23 | Gravity heat pipe heat exchanger capable of being switched in winter and summer in air conditioner and switching method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106839837A CN106839837A (en) | 2017-06-13 |
| CN106839837B true CN106839837B (en) | 2023-09-12 |
Family
ID=59135861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611207429.3A Active CN106839837B (en) | 2016-12-23 | 2016-12-23 | Gravity heat pipe heat exchanger capable of being switched in winter and summer in air conditioner and switching method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106839837B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6321546B1 (en) * | 2000-07-10 | 2001-11-27 | Douglas E. Johnson | Heat transfer system |
| JP2009041444A (en) * | 2007-08-08 | 2009-02-26 | Denso Corp | Exhaust heat recovery device |
| CN201285125Y (en) * | 2008-09-28 | 2009-08-05 | 西安工程大学 | Heat pipe and heat pump combined vaporization cooling air-conditioning unit |
| CN102269466A (en) * | 2011-07-14 | 2011-12-07 | 清华大学 | Fresh air handling unit |
| CN102878664A (en) * | 2012-10-26 | 2013-01-16 | 湖北靛蓝科技有限公司 | Precise air conditioner for computer room and integral heat exchanger of precise air conditioner |
| CN204227618U (en) * | 2014-11-19 | 2015-03-25 | 贝莱特空调有限公司 | A kind of economic benefits and social benefits heat pipe-type heat recovery energy-saving fresh air handining unit |
| CN206339136U (en) * | 2016-12-23 | 2017-07-18 | 中国建筑科学研究院 | The gravity heat pipe heat exchanger that can switch in the summer in winter in air-conditioning |
-
2016
- 2016-12-23 CN CN201611207429.3A patent/CN106839837B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6321546B1 (en) * | 2000-07-10 | 2001-11-27 | Douglas E. Johnson | Heat transfer system |
| JP2009041444A (en) * | 2007-08-08 | 2009-02-26 | Denso Corp | Exhaust heat recovery device |
| CN201285125Y (en) * | 2008-09-28 | 2009-08-05 | 西安工程大学 | Heat pipe and heat pump combined vaporization cooling air-conditioning unit |
| CN102269466A (en) * | 2011-07-14 | 2011-12-07 | 清华大学 | Fresh air handling unit |
| CN102878664A (en) * | 2012-10-26 | 2013-01-16 | 湖北靛蓝科技有限公司 | Precise air conditioner for computer room and integral heat exchanger of precise air conditioner |
| CN204227618U (en) * | 2014-11-19 | 2015-03-25 | 贝莱特空调有限公司 | A kind of economic benefits and social benefits heat pipe-type heat recovery energy-saving fresh air handining unit |
| CN206339136U (en) * | 2016-12-23 | 2017-07-18 | 中国建筑科学研究院 | The gravity heat pipe heat exchanger that can switch in the summer in winter in air-conditioning |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106839837A (en) | 2017-06-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104266277A (en) | Heat pipe heat recovery all fresh air dehumidification air-conditioning device | |
| CN202955784U (en) | Double-system dehumidification and warming air conditioning unit | |
| CN203010813U (en) | Dividing wall type display heat exchange heat pipe type computer room air conditioner | |
| CN102913986A (en) | Separate heat pipe wall mounting type flat-plate solar heating device | |
| CN203908092U (en) | Air conditioning outdoor unit and air conditioner heat exchange system | |
| CN202371930U (en) | Water and air dual-source heat pump unit | |
| CN202927948U (en) | Wall-mounted flat-plate solar heating device with separated heat pipes | |
| CN203298417U (en) | Movable heat pump air conditioner | |
| CN106885395A (en) | A kind of Thermal Performance of Micro Channels device assembly and air-conditioning refrigeration system | |
| CN104501466A (en) | Thermal regeneration solution dehumidifying unit of ground source heat pump | |
| CN206339136U (en) | The gravity heat pipe heat exchanger that can switch in the summer in winter in air-conditioning | |
| CN106839837B (en) | Gravity heat pipe heat exchanger capable of being switched in winter and summer in air conditioner and switching method thereof | |
| CN204478416U (en) | The air ducting of adjustable new wind type evaporative condenser | |
| CN203797945U (en) | Air conditioner water heating system | |
| CN206919446U (en) | A kind of source pump of sewage as direct Cooling and Heat Source | |
| CN206944519U (en) | A kind of multi-stage variable coolant system | |
| CN204478367U (en) | All-weather solar water source heat pump air conditioning system | |
| CN204240516U (en) | A kind ofly utilize the frostless heat pump air conditioner of the solution dehumidification of solar energy desorb | |
| CN204214044U (en) | A kind of indoor apparatus of air conditioner and air-conditioning equipment | |
| CN102538299B (en) | Heat-pump type temperature and humidity adjustable unit | |
| CN112594831A (en) | Split type heat pipe heat recovery fresh air unit | |
| CN207991016U (en) | A kind of high-efficiency falling film type organic whole of double source heat pump unit | |
| CN201527065U (en) | Water loop heat-pump type dehumidifying air conditioner of underground engineering | |
| CN204513851U (en) | A kind of earth source heat pump heating power actified solution dehumidifying unit | |
| CN104501321A (en) | Internal-cooled solution dehumidifying assembly |
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 | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 100013, No. 30 East Third Ring Road, Chaoyang District, Beijing Applicant after: CHINA ACADEMY OF BUILDING RESEARCH Ltd. Address before: 100013, No. 30 East Third Ring Road, Chaoyang District, Beijing Applicant before: CHINA ACADEMY OF BUILDING RESEARCH |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |