CN206339136U - The gravity heat pipe heat exchanger that can switch in the summer in winter in air-conditioning - Google Patents

The gravity heat pipe heat exchanger that can switch in the summer in winter in air-conditioning Download PDF

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Publication number
CN206339136U
CN206339136U CN201621432691.3U CN201621432691U CN206339136U CN 206339136 U CN206339136 U CN 206339136U CN 201621432691 U CN201621432691 U CN 201621432691U CN 206339136 U CN206339136 U CN 206339136U
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China
Prior art keywords
pipe
plenum chamber
heat
air
fresh air
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Withdrawn - After Issue
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CN201621432691.3U
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Chinese (zh)
Inventor
王清勤
赵力
仇丽娉
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China Academy of Building Research CABR
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China Academy of Building Research CABR
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Abstract

The utility model provides the gravity heat pipe heat exchanger that can switch in the summer in winter in a kind of air-conditioning, including gravity heat pipe heat exchanger body, the gravity heat pipe heat exchanger body has the evaporation ends (11) and superposed condensation end (12) positioned at bottom, the evaporation ends (11) and condensation end (12) are mutually airtight to isolate, respectively there is a lower plenum chamber (21) in two outsides of evaporation ends (11), respectively there is a upper plenum chamber (22) in two outsides of condensation end (12), the lower plenum chamber (21) and upper plenum chamber (22) are mutually airtight to isolate;The outside of one of them lower plenum chamber (21) enters pipe (41) with fresh air respectively by two lower valves (31) and air draft outlet pipe (42) is connected, and the outside of another lower plenum chamber (21) enters pipe (44) with fresh air outlet pipe (43) and air draft respectively by two other lower valve (32) and is connected;The outside of plenum chamber (22) enters pipe (41) with the fresh air respectively by two upper valves (33) on one of them and the air draft outlet pipe (42) is connected, and outside of plenum chamber (22) enters pipe (44) with the fresh air outlet pipe (43) and the air draft respectively by valve on two other (34) and is connected on another.

Description

The gravity heat pipe heat exchanger that can switch in the summer in winter in air-conditioning
Technical field
The utility model is related to the gravity heat pipe heat exchanger in a kind of air-conditioning.
Background technology
Heat pipe is a kind of heat transfer element with high thermal conductivity, and it passes through the evaporation of the working medium in Totally enclosed vacuum shell Transmit heat with condensing, with high thermal conductivity, good isothermal, cold and hot both sides heat transfer area can arbitrarily change, Can the series of advantages such as remotely transferring, temperature controllable.
Heat pipe is to realize the high-performance heat transfer components of heat transfer by the phase transformation of therein hydraulic fluid, and it can be by big calorimetric Amount is transmitted without additionaling power over long distances by the sectional area of its very little.Heat pipe is skillfully constructed with it, and the transmission temperature difference is small suitable With wide temperature range, numerous good characteristics such as heat flow density, have shown in terms of energy regenerating and UTILIZATION OF VESIDUAL HEAT IN in adjustable keyholed back plate Go out its unique effect.Heat exchange of heat pipe belongs to the non-touching surface-type heat exchange of cold fluid and hot fluid, and the occupation of land that it has is small, nothing turns The good characteristic such as dynamic component, safe and reliable to operation, heat exchange efficiency be high is engineering from creating convenience.
Heat exchanger using heat pipe as heat transfer element has heat transfer efficiency height, compact conformation, fluid resistance damage is small, be conducive to control The advantages of dew point corrosion.It is widely used to the industries such as metallurgy, chemical industry, oil refining, boiler, ceramics, traffic, light textile, machinery at present In, as the energy-saving equipment of heat energy utilization in Waste Heat Recovery and technical process, achieve significant economic benefit.
Hot-pipe type heat-exchanger is the air-to-air energy recovery equipment commonly used in current air-conditioning system, and hot-pipe type heat-exchanger is main It is made up of several heat pipes.Gravity assisted heat pipe heat exchanger two parts of thermal current and cold airflow by being made up of respectively.Heat pipe It is made up of the airtight vacuum metal tube of internal filling refrigerant, once heat pipe one end (condensation end evaporation ends) are heated, in external heat In the presence of, vaporized in pipe in the liquid short time, and flow in the presence of differential pressure the other end of heat pipe, then these gases pair The external world releases heat and is condensed into liquid, and then these liquid return to the former end (condensation end) of heat pipe by Action of Gravity Field again, and It is heated and vaporizes again, such course of work is constantly circulated, and heat is just endlessly delivered to that end from this end of heat pipe.
Gravity heat pipe heat exchanger in the air-conditioning used at present is what is unidirectionally conducted heat, because the position up and down of gravity assisted heat pipe Respectively condenser and evaporator, the heat absorption of upside heat release downside, therefore hot blast is always flowed through in the downside of heat exchanger, upside is always flowed Cross cold wind.Winter room air is hot blast, and outdoor air is cold wind, otherwise summer;Therefore for the summer in gravity heat pipe heat exchanger winter The cold-hot wind direction in season is different.
Winter fresh air is exchanged heat in upper air draft lower, downside air draft heat release, the heat absorption of upside fresh air, fresh air and air exhaust heat exchange Heating;Summer fresh air is exchanged heat in lower air draft upper, upside air draft heat release, and upside fresh air heat absorption, fresh air drops with air exhaust heat exchange Temperature.
The shortcoming of this heat exchange of heat pipe is that Summer and winter can not freely switch, for gravity type heat pipe, condensation segment Installation site necessarily be greater than evaporator section, thus it is applied to occasion of the cold wind in upper, hot blast under;If complete for air-conditioning system Year exhaust air energy recovery, then need to change the position into, exhaust outlet relative to heat pipe when winter carries out fresh air preheating processing.
Utility model content
The utility model is to solve the above problems there is provided the gravity heat pipe heat exchanger that can switch in the summer in winter in a kind of air-conditioning, is made It can adapt to the ventilation heat exchange requirement of summer in winter Various Seasonal.
To achieve the above object, the technical solution adopted in the utility model includes the gravity that can switch in the summer in winter in a kind of air-conditioning Heat exchange of heat pipe, including gravity heat pipe heat exchanger body, the gravity heat pipe heat exchanger body have the evaporation ends positioned at bottom With superposed condensation end, the evaporation ends and condensation end are mutually airtight to isolate, it is characterised in that:
Respectively there is a lower plenum chamber in two outsides of evaporation ends, respectively have plenum chamber on one, institute in two outsides of condensation end State that lower plenum chamber and upper plenum chamber are mutually airtight to isolate;
The outside of one of them lower plenum chamber enters pipe with fresh air respectively by two lower valves and air draft outlet pipe is connected, The outside of another lower plenum chamber enters pipe with fresh air outlet pipe and air draft respectively by two other lower valve and is connected;
The outside of plenum chamber enters pipe with the fresh air respectively by two upper valves on one of them and the air draft goes out Pipe is connected, on another outside of plenum chamber by valve on two other respectively with the fresh air outlet pipe and the air draft Enter pipe to be connected.
Compared with prior art, the utility model has an advantageous effect in that:Whether in summer or in the winter time, only Switch valve is wanted, the evaporation ends of hotter airflow passes gravity heat pipe heat exchanger body, colder airflow passes weight can be made The condensation end of power heat exchange of heat pipe body, it is ensured that gravity heat pipe heat exchanger body is in correct working condition all the time.So as to make The air-conditioning that must have the gravity heat pipe heat exchanger can easily carry out the switching of summer in winter.
Brief description of the drawings
Fig. 1 is the schematic perspective view for the heat exchange of heat pipe that the utility model is provided;
Fig. 2 is adaptive state figure of the heat exchange of heat pipe of the utility model offer in summer operation;
Fig. 3 is the adaptive state figure when heat exchange of heat pipe that the utility model is provided works in the winter time.
Description of reference numerals:Evaporation ends 11;Condensation end 12;Lower plenum chamber 21;Upper plenum chamber 22;Lower valve 31,32;Upper valve Door 33,34;Fresh air enters pipe 41;Air draft outlet pipe 42;Fresh air outlet pipe 43;Air draft enters pipe 44.
Embodiment
As shown in figure 1, be in the air-conditioning that the utility model is provided can the switching of summer in winter gravity heat pipe heat exchanger, including gravity Heat exchange of heat pipe body, the gravity heat pipe heat exchanger body has the evaporation ends 11 and superposed condensation end positioned at bottom 12, the evaporation ends 11 and condensation end 12 are mutually airtight isolate, respectively has a lower plenum chamber 21 on the outside of the two of evaporation ends 11, Respectively there is a upper plenum chamber 22 in two outsides of condensation end 12, and the lower plenum chamber 21 and upper plenum chamber 22 are mutual airtight to isolate;
The outside of one of them lower plenum chamber 21 enters pipe 41 and air draft outlet pipe with fresh air respectively by two lower valves 31 42 are connected, and the outside of another lower plenum chamber 21 is entered with fresh air outlet pipe 43 and air draft respectively by two other lower valve 32 Pipe 44 is connected;
The outside of plenum chamber 22 enters pipe 41 and described with the fresh air respectively by two upper valves 33 on one of them Air draft outlet pipe 42 is connected, on another outside of plenum chamber 22 by valve on two other 34 respectively with the fresh air outlet pipe 43 and the air draft enter pipe 44 and be connected.
Under summer mode, as shown in Fig. 2 two upper plenum chambers 22 enter pipe 41 and the fresh air outlet pipe with the fresh air Valve between 43 is opened, and two upper plenum chambers 22 and the air draft enter the valve between pipe 44 and the air draft outlet pipe 42 Door is closed;Meanwhile, the valve that two lower plenum chambers 21 and the fresh air enter between pipe 41 and the fresh air outlet pipe 43 is closed, and And the valve that two lower plenum chambers 21 and the air draft enter between pipe 44 and the air draft outlet pipe 42 is opened;
In the winter time under pattern, as shown in figure 3, two upper plenum chambers 22 enter pipe 41 and the fresh air outlet pipe with the fresh air Valve between 43 is closed, and two upper plenum chambers 22 and the air draft enter the valve between pipe 44 and the air draft outlet pipe 42 Door is opened;Meanwhile, the valve that two lower plenum chambers 21 and the fresh air enter between pipe 41 and the fresh air outlet pipe 43 is opened, and And the valve that two lower plenum chambers 21 and the air draft enter between pipe 44 and the air draft outlet pipe 42 is closed.
It is arranged such, whether in summer or in the winter time, as long as switch valve, hotter airflow passes weight can be made The evaporation ends 11 of power heat exchange of heat pipe body, the condensation end 12 of colder airflow passes gravity heat pipe heat exchanger body, it is ensured that weight Power heat exchange of heat pipe body is in correct working condition all the time.So as to so that the air-conditioning with the gravity heat pipe heat exchanger The switching of summer in winter can easily be carried out.

Claims (1)

1. the gravity heat pipe heat exchanger that can switch in the summer in winter in a kind of air-conditioning, including gravity heat pipe heat exchanger body, the gravity heat Heat exchange of heat pipe body have positioned at bottom evaporation ends (11) and superposed condensation end (12), the evaporation ends (11) with it is cold Solidifying end (12) mutually airtight isolation, it is characterised in that:
Respectively there is a lower plenum chamber (21) in two outsides of evaporation ends (11), respectively have quiet on one in two outsides of condensation end (12) Press case (22), the lower plenum chamber (21) and upper plenum chamber (22) are mutual airtight to isolate;
The outside of one of them lower plenum chamber (21) enters pipe (41) with fresh air respectively by two lower valves (31) and air draft goes out Pipe (42) is connected, the outside of another lower plenum chamber (21) by two other lower valve (32) respectively with fresh air outlet pipe (43) And air draft enters pipe (44) and is connected;
The outside of plenum chamber (22) enters pipe (41) and institute with the fresh air respectively by two upper valves (33) on one of them Air draft outlet pipe (42) is stated to be connected, on another outside of plenum chamber (22) by valve on two other (34) respectively with it is described Fresh air outlet pipe (43) and the air draft enter pipe (44) and are connected.
CN201621432691.3U 2016-12-23 2016-12-23 The gravity heat pipe heat exchanger that can switch in the summer in winter in air-conditioning Withdrawn - After Issue CN206339136U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621432691.3U CN206339136U (en) 2016-12-23 2016-12-23 The gravity heat pipe heat exchanger that can switch in the summer in winter in air-conditioning

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621432691.3U CN206339136U (en) 2016-12-23 2016-12-23 The gravity heat pipe heat exchanger that can switch in the summer in winter in air-conditioning

Publications (1)

Publication Number Publication Date
CN206339136U true CN206339136U (en) 2017-07-18

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CN201621432691.3U Withdrawn - After Issue CN206339136U (en) 2016-12-23 2016-12-23 The gravity heat pipe heat exchanger that can switch in the summer in winter in air-conditioning

Country Status (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106839837A (en) * 2016-12-23 2017-06-13 中国建筑科学研究院 Gravity heat pipe heat exchanger capable of being switched between winter and summer in air conditioner and switching method thereof
CN111189344A (en) * 2020-03-02 2020-05-22 青岛科思德节能设备有限公司 Controllable microchannel heat pipe heat transfer device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106839837A (en) * 2016-12-23 2017-06-13 中国建筑科学研究院 Gravity heat pipe heat exchanger capable of being switched between winter and summer in air conditioner and switching method thereof
CN106839837B (en) * 2016-12-23 2023-09-12 中国建筑科学研究院有限公司 Gravity heat pipe heat exchanger capable of being switched in winter and summer in air conditioner and switching method thereof
CN111189344A (en) * 2020-03-02 2020-05-22 青岛科思德节能设备有限公司 Controllable microchannel heat pipe heat transfer device
CN111189344B (en) * 2020-03-02 2024-04-26 青岛科思德节能设备有限公司 Controllable micro-channel heat pipe heat transfer device

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