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WO2017216147A1 - Portable air-conditioning device comprising thermoelectric module - Google Patents

Portable air-conditioning device comprising thermoelectric module Download PDF

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Publication number
WO2017216147A1
WO2017216147A1 PCT/EP2017/064381 EP2017064381W WO2017216147A1 WO 2017216147 A1 WO2017216147 A1 WO 2017216147A1 EP 2017064381 W EP2017064381 W EP 2017064381W WO 2017216147 A1 WO2017216147 A1 WO 2017216147A1
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WO
WIPO (PCT)
Prior art keywords
conditioning device
air duct
exhaust air
hot surface
air
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.)
Ceased
Application number
PCT/EP2017/064381
Other languages
French (fr)
Inventor
Burak COBAN
Onder Balioglu
Funda ERDEM
Adem AKSOY
Semih KURULAR
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Arcelik AS
Original Assignee
Arcelik AS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Arcelik AS filed Critical Arcelik AS
Publication of WO2017216147A1 publication Critical patent/WO2017216147A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • F24F5/0042—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 characterised by the application of thermo-electric units or the Peltier effect
    • 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
    • F24F5/0007—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 cooling apparatus specially adapted for use in air-conditioning
    • F24F5/0017—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 cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice
    • F24F5/0021—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 cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice using phase change material [PCM] for storage
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2221/00—Details or features not otherwise provided for
    • F24F2221/12—Details or features not otherwise provided for transportable
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/14—Thermal energy storage

Definitions

  • Present invention relates to a portable air-conditioning device that cools by means of a thermoelectric module, and that partially or fully stores residual heat by means of a phase changing material (PCM) package.
  • PCM phase changing material
  • air-conditioning devices comprise an internal unit and an external unit, and the heat drawn from the internal unit during cooling is discharged to the outer environment by the external unit.
  • cooling is usually performed by discharging the heat drawn from the ambience to the outer environment by means of a vent which extends outdoors through an aperture opened on a window or a wall.
  • the vent structure that enables heat to be discharged to the outer environment, restricts transportability of the air-conditioning device.
  • many users do not prefer portable air-conditioners since an aperture suitably formed for the vent needs to be opened on a window or a wall, in order to obtain an efficient cooling performance by providing insulation between the ambience that requires cooling and the outer environment.
  • thermoelectric module With portable air-conditioning devices, cooling of the ambient air can be provided by using only a thermoelectric module or a group of thermoelectric modules. By means of passing an electric current determined according to requirements, through the thermoelectric module, heat difference is generated between two surfaces and consequently a hot surface and a cold surface is obtained. Ambient air is cooled by passing air via the cold surface of the thermoelectric module. Storage of residual heat by using phase change material (PCM) in portable air-conditioning devices with thermoelectric module is known.
  • PCM phase change material
  • thermoelectric module or modules which dissipates heat can be stored by fully or partially transferring thereof to the phase change material (PCM), and thus the air-conditioning device is given the “portability” feature by suspending the need to discharge heat for a certain time, but there occurs a heat transfer problem between the hot surface of the thermoelectric module which is the heated portion and the phase change material (PCM), and a difficulty of use.
  • PCM phase change material
  • thermoelectric air-conditioning device in which a thermoelectric module and a phase change material interact with each other.
  • the aim of the present invention is to provide a portable air-conditioning device in which cooling is obtained by means of a thermoelectric module and thermal energy drawn from the cooled environment and discharged outside is stored, and which allows ease of use.
  • the portable air-conditioning device provided to achieve the aim of the present invention is disclosed in the claims.
  • the ambient air is cooled by means of a thermoelectric module which has a cold surface cooling the air passed via thereof and a hot surface warming the air passed via thereof.
  • the portable air-conditioning device comprises a conditioned air duct that enables air to pass via the cold surface and directs it to the environment outside the body and an exhaust air duct that enables air to pass via the hot surface and directs it to the environment, and phase change material (PCM) packages obtained by packing PCM with high heat storage capacity in a container are placed detachably in the exhaust air duct.
  • PCM phase change material
  • the heat dissipating from the hot surface of the thermoelectric module to the exhaust air duct is stored by transferring it to PCM packages by way of conduction and/or convection.
  • the PCM packages are easily removed from the device after completing the efficient usage period for user's comfort, and are placed in a cooler/freezer device for regeneration.
  • Figure 1 is a schematic view of the portable air-conditioning device of the invention.
  • Figure 2 is a schematic view of the portable air-conditioning device in an embodiment of the invention.
  • Figure 3 is a schematic view of the portable air-conditioning device in another embodiment of the invention.
  • Figure 4 is a schematic view of PCM packages placed perpendicularly to the hot surface of the thermoelectric module.
  • Figure 5 is a schematic view of PCM packages placed in a zigzag pattern and perpendicularly to the hot surface of the thermoelectric module.
  • Figure 6 is a schematic view of PCM packages placed in parallel with the hot surface of the thermoelectric module.
  • Figure 7 is a schematic view of PCM packages placed in a zigzag pattern and in parallel with the hot surface of the thermoelectric module.
  • Figure 8 is a schematic view of PCM packages placed between the hot surfaces of three thermoelectric modules.
  • Figure 9 is a schematic view of a portable air-conditioning device comprising a housing in which PCM packages are arranged.
  • the portable air-conditioning device (1) comprises a body (2), at least one thermoelectric module (5) provided in the body (2) comprising a cold surface (3) cooling the air passing via thereof and a hot surface (4) warming the air passing via thereof, a fan (6) enabling the body (2) to receive the ambient (the environment where the user is, that requires cooling) air inside and to pass it through the thermoelectric module (5), a conditioned air duct (7) enabling the air delivered by the fan (6) to pass via the cold surface (3) and directs it to the environment outside the body (2), an exhaust air duct (8) enabling the air delivered by the fan (6) to pass via the hot surface (4) and directs it to the environment outside the body (2), and a separator (9) that splits the conditioned air duct (7) and the exhaust air duct (8) from each other, and isolates the conditioned air (C) flow cooled by passing via the cold surface (3) and the exhaust air (H) flow warmed by passing via the hot surface (4).
  • the portable air-conditioning device (1) of the invention comprises at least one phase change material (PCM) package (10) (PCM package (10), for short) obtained by packing phase change material (PCM) of high heat storage capacity in a container (not shown), placed detachably in the exhaust air duct (8), and storing heat dissipating from the hot surface (4) of the thermoelectric module (5) to the exhaust air duct (8) through heat transfer by way of conduction or convection.
  • PCM phase change material
  • Heat dissipating from the hot surface (4) is fully or partially transferred to the PCM packages (10) placed in the exhaust air duct (8), and PCM packages (10) are used to store residual heat.
  • PCM packages (10) are placed detachably in the exhaust air duct (8). Heat is transferred from the hot surface (4) to the PCM packages (10) by way of conduction and/or convection.
  • the PCM packages (10) are removed from the exhaust air duct (8) and placed in a cooler device after they store heat drawn from the hot surface (4), and they are thus regenerated to be reused in the portable air-conditioning device (1).
  • the PCM packages (10) are placed in the exhaust air duct (8) in such a way to have at least partially surface-to-surface contact with the hot surface (4) of the thermoelectric module (5) ( Figures 1 and 2).
  • the PCM packages (10) are in full contact with the hot surface (4) of the thermoelectric module, heat dissipating from the hot surface (4) of the thermoelectric module (5) is fully transferred to the PCM packages (10) by way of conduction ( Figure 1).
  • the PCM packages (10) are placed in the exhaust air duct (8) further from the hot surface (4) in flow direction of the exhaust air (H).
  • the exhaust air (H) contacts first to the hot surface (4) and then to the PCM packages (10) ( Figures 2 and 3).
  • the portable air-conditioning device (1) comprise at least one mini-channel (11) extending in the PCM packages (10) in flow direction of the exhaust air (H), and enabling the heat transfer to improve by increasing contact surface area of the exhaust air (H) with the PCM packages (10) ( Figures 1 and 9).
  • the PCM packages (10) are placed in the exhaust air duct (8) in such a way to have no contact with the hot surface (4) of the thermoelectric module (5). Heat dissipating from the hot surface (4) is fully transferred to the exhaust air duct (8) and from the exhaust air duct (8) to the PCM packages (10) by way of convection.
  • the portable air-conditioning device (1) comprises a heat sink (12) extending from the hot surface (4) of the thermoelectric module (5) to the exhaust air duct (8), and accelerating heat transfer to the exhaust air (H) by way of convection (Figure 3).
  • the PCM package (10) is shaped as a rectangular prism of a transversely or longitudinally rectangular cross-section allowing easy attachment and detachment thereof to the portable air-conditioning device (1), and said rectangular cross-section comprises two short sides and two long sides.
  • the PCM packages (10) are placed in the exhaust air duct (8) consecutively and in a regular manner perpendicularly to the hot surface (4) in such a way that their short sides contact the hot surface (4) and their long sides contact each other (Figure 4).
  • the PCM packages (10) are placed in the exhaust air duct (8) with their long sides perpendicular to the hot surface (4) and in a zigzag pattern. Said zigzag arrangement enables accelerating the heat transfer by increasing the contact surface area of the exhaust air (H) with the PCM packages (10) ( Figure 5).
  • the PCM packages (10) are placed in the exhaust air duct (8) in parallel with the hot surface (4), successively in a regular manner in such a way to have full contact with the hot surface (4) along the long side ( Figure 6).
  • the PCM packages (10) are placed in the exhaust air duct (8) in a zigzag pattern with their long sides in parallel with the hot surface (4).
  • Such zigzag arrangement enables accelerating the heat transfer by increasing the contact surface area of the exhaust air (H) with the PCM packages (10) ( Figure 7).
  • the PCM packages (10) are placed in the exhaust air duct (8) perpendicularly to or in parallel with the hot surface (4) and spaced from each other in such a way to contact with their short sides or long sides to the hot surface (4) ( Figure 8).
  • the air-conditioning device (1) comprises at least three thermoelectric modules forming a C-shape so as to partially surround the exhaust air duct (8), their hot surfaces (4) being arranged on the concave side of the C-shape, and PCM packages (10) placed between the hot surfaces (4).
  • the portable air-conditioning device (1) comprises at least one inlet opening (13) provided in the exhaust air duct (8), in which PCM packages (10) are placed, and enabling air directed by the fan (6) to contact with the PCM packages (10), and a housing (15) having at least one outlet opening (14) which enables discharge of the air passing via the PCM packages (10).
  • thermoelectric module (5) cooling is performed by thermoelectric module (5), and residual heat dissipating from the hot surface (4) of the thermoelectric module (5) is partially or fully stored in the detachable PCM packages (10).

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)

Abstract

The invention relates to a portable air-conditioning device (1) comprising a body (2), at least one thermoelectric module (5) provided in the body (2) comprising a cold surface (3) cooling the air passing via thereof and a hot surface (4) warming the air passing via thereof, a fan (6) enabling the body (2) to receive the ambient air inside and to pass it through the thermoelectric module (5), a conditioned air duct (7) enabling the air delivered by the fan (6) to pass via the cold surface (3) and directs it to the environment outside the body (2), an exhaust air duct (8) enabling the air delivered by the fan (6) to pass via the hot surface (4) and directs it to the environment outside the body (2), and a separator (9) splitting the conditioned air duct (7) and the exhaust air duct (8) from each other.

Description

PORTABLE AIR-CONDITIONING DEVICE COMPRISING THERMOELECTRIC MODULE
Present invention relates to a portable air-conditioning device that cools by means of a thermoelectric module, and that partially or fully stores residual heat by means of a phase changing material (PCM) package.
In general, air-conditioning devices comprise an internal unit and an external unit, and the heat drawn from the internal unit during cooling is discharged to the outer environment by the external unit. In portable (transportable) air-conditioning devices, cooling is usually performed by discharging the heat drawn from the ambiance to the outer environment by means of a vent which extends outdoors through an aperture opened on a window or a wall. However, the vent structure that enables heat to be discharged to the outer environment, restricts transportability of the air-conditioning device. In addition, many users do not prefer portable air-conditioners since an aperture suitably formed for the vent needs to be opened on a window or a wall, in order to obtain an efficient cooling performance by providing insulation between the ambiance that requires cooling and the outer environment.
With portable air-conditioning devices, cooling of the ambient air can be provided by using only a thermoelectric module or a group of thermoelectric modules. By means of passing an electric current determined according to requirements, through the thermoelectric module, heat difference is generated between two surfaces and consequently a hot surface and a cold surface is obtained. Ambient air is cooled by passing air via the cold surface of the thermoelectric module. Storage of residual heat by using phase change material (PCM) in portable air-conditioning devices with thermoelectric module is known. The thermal load generated on the hot surface of the thermoelectric module or modules which dissipates heat, can be stored by fully or partially transferring thereof to the phase change material (PCM), and thus the air-conditioning device is given the “portability” feature by suspending the need to discharge heat for a certain time, but there occurs a heat transfer problem between the hot surface of the thermoelectric module which is the heated portion and the phase change material (PCM), and a difficulty of use.
US Patent Application No. US2015033764A1, relates to a thermoelectric air-conditioning device in which a thermoelectric module and a phase change material interact with each other.
The aim of the present invention is to provide a portable air-conditioning device in which cooling is obtained by means of a thermoelectric module and thermal energy drawn from the cooled environment and discharged outside is stored, and which allows ease of use.
The portable air-conditioning device provided to achieve the aim of the present invention is disclosed in the claims.
In the portable (transportable) air-conditioning device of the present invention, the ambient air is cooled by means of a thermoelectric module which has a cold surface cooling the air passed via thereof and a hot surface warming the air passed via thereof. The portable air-conditioning device comprises a conditioned air duct that enables air to pass via the cold surface and directs it to the environment outside the body and an exhaust air duct that enables air to pass via the hot surface and directs it to the environment, and phase change material (PCM) packages obtained by packing PCM with high heat storage capacity in a container are placed detachably in the exhaust air duct. The heat dissipating from the hot surface of the thermoelectric module to the exhaust air duct is stored by transferring it to PCM packages by way of conduction and/or convection. The PCM packages are easily removed from the device after completing the efficient usage period for user's comfort, and are placed in a cooler/freezer device for regeneration.
The portable air-conditioning device provided to achieve the aim of the present invention is illustrated in the accompanying drawings, wherein:
Figure 1 is a schematic view of the portable air-conditioning device of the invention.
Figure 2 is a schematic view of the portable air-conditioning device in an embodiment of the invention.
Figure 3 is a schematic view of the portable air-conditioning device in another embodiment of the invention.
Figure 4 is a schematic view of PCM packages placed perpendicularly to the hot surface of the thermoelectric module.
Figure 5 is a schematic view of PCM packages placed in a zigzag pattern and perpendicularly to the hot surface of the thermoelectric module.
Figure 6 is a schematic view of PCM packages placed in parallel with the hot surface of the thermoelectric module.
Figure 7 is a schematic view of PCM packages placed in a zigzag pattern and in parallel with the hot surface of the thermoelectric module.
Figure 8 is a schematic view of PCM packages placed between the hot surfaces of three thermoelectric modules.
Figure 9 is a schematic view of a portable air-conditioning device comprising a housing in which PCM packages are arranged.
The elements in the figures are numbered individually and the correspondence of the numbers are given hereinafter:
1. Portable air-conditioning device
2. Body
3. Cold surface
4. Hot surface
5. Thermoelectric module
6. Fan
7. Conditioned air duct
8. Exhaust air duct
9. Separator
10. PCM package
11. Mini-channel
12. Heat sink
13. Inlet opening
14. Outlet opening
15. Housing
C: Conditioned air
H: Exhaust air
The portable air-conditioning device (1) comprises a body (2), at least one thermoelectric module (5) provided in the body (2) comprising a cold surface (3) cooling the air passing via thereof and a hot surface (4) warming the air passing via thereof, a fan (6) enabling the body (2) to receive the ambient (the environment where the user is, that requires cooling) air inside and to pass it through the thermoelectric module (5), a conditioned air duct (7) enabling the air delivered by the fan (6) to pass via the cold surface (3) and directs it to the environment outside the body (2), an exhaust air duct (8) enabling the air delivered by the fan (6) to pass via the hot surface (4) and directs it to the environment outside the body (2), and a separator (9) that splits the conditioned air duct (7) and the exhaust air duct (8) from each other, and isolates the conditioned air (C) flow cooled by passing via the cold surface (3) and the exhaust air (H) flow warmed by passing via the hot surface (4).
The portable air-conditioning device (1) of the invention comprises at least one phase change material (PCM) package (10) (PCM package (10), for short) obtained by packing phase change material (PCM) of high heat storage capacity in a container (not shown), placed detachably in the exhaust air duct (8), and storing heat dissipating from the hot surface (4) of the thermoelectric module (5) to the exhaust air duct (8) through heat transfer by way of conduction or convection.
In the portable air-conditioning device (1), heat dissipates from the hot surface (4) of the thermoelectric module (5) to the exhaust air duct (8). Heat dissipating from the hot surface (4) is fully or partially transferred to the PCM packages (10) placed in the exhaust air duct (8), and PCM packages (10) are used to store residual heat. PCM packages (10) are placed detachably in the exhaust air duct (8). Heat is transferred from the hot surface (4) to the PCM packages (10) by way of conduction and/or convection. The PCM packages (10) are removed from the exhaust air duct (8) and placed in a cooler device after they store heat drawn from the hot surface (4), and they are thus regenerated to be reused in the portable air-conditioning device (1).
In one embodiment of the invention, the PCM packages (10) are placed in the exhaust air duct (8) in such a way to have at least partially surface-to-surface contact with the hot surface (4) of the thermoelectric module (5) (Figures 1 and 2). When the PCM packages (10) are in full contact with the hot surface (4) of the thermoelectric module, heat dissipating from the hot surface (4) of the thermoelectric module (5) is fully transferred to the PCM packages (10) by way of conduction (Figure 1). When the PCM packages (10) are in partial contact with the hot surface (4) of the thermoelectric module (5), a portion of the heat dissipating from the hot surface (4) is transferred to the PCM packages (10) by way of conduction, another portion is transferred by way of convection to the exhaust air duct (8) and partially from the exhaust air duct (8) to the PCM packages (10) (Figure 2).
In another embodiment of the invention, the PCM packages (10) are placed in the exhaust air duct (8) further from the hot surface (4) in flow direction of the exhaust air (H). Thus the exhaust air (H) contacts first to the hot surface (4) and then to the PCM packages (10) (Figures 2 and 3).
In another embodiment of the invention, the portable air-conditioning device (1) comprise at least one mini-channel (11) extending in the PCM packages (10) in flow direction of the exhaust air (H), and enabling the heat transfer to improve by increasing contact surface area of the exhaust air (H) with the PCM packages (10) (Figures 1 and 9).
In another embodiment of the invention, the PCM packages (10) are placed in the exhaust air duct (8) in such a way to have no contact with the hot surface (4) of the thermoelectric module (5). Heat dissipating from the hot surface (4) is fully transferred to the exhaust air duct (8) and from the exhaust air duct (8) to the PCM packages (10) by way of convection. In this embodiment, the portable air-conditioning device (1) comprises a heat sink (12) extending from the hot surface (4) of the thermoelectric module (5) to the exhaust air duct (8), and accelerating heat transfer to the exhaust air (H) by way of convection (Figure 3).
In another embodiment of the invention, the PCM package (10) is shaped as a rectangular prism of a transversely or longitudinally rectangular cross-section allowing easy attachment and detachment thereof to the portable air-conditioning device (1), and said rectangular cross-section comprises two short sides and two long sides.
In one embodiment of the invention, the PCM packages (10) are placed in the exhaust air duct (8) consecutively and in a regular manner perpendicularly to the hot surface (4) in such a way that their short sides contact the hot surface (4) and their long sides contact each other (Figure 4).
In another embodiment of the invention, the PCM packages (10) are placed in the exhaust air duct (8) with their long sides perpendicular to the hot surface (4) and in a zigzag pattern. Said zigzag arrangement enables accelerating the heat transfer by increasing the contact surface area of the exhaust air (H) with the PCM packages (10) (Figure 5).
In another embodiment of the invention, the PCM packages (10) are placed in the exhaust air duct (8) in parallel with the hot surface (4), successively in a regular manner in such a way to have full contact with the hot surface (4) along the long side (Figure 6).
In another embodiment of the invention, the PCM packages (10) are placed in the exhaust air duct (8) in a zigzag pattern with their long sides in parallel with the hot surface (4). Such zigzag arrangement enables accelerating the heat transfer by increasing the contact surface area of the exhaust air (H) with the PCM packages (10) (Figure 7).
In another embodiment of the invention, the PCM packages (10) are placed in the exhaust air duct (8) perpendicularly to or in parallel with the hot surface (4) and spaced from each other in such a way to contact with their short sides or long sides to the hot surface (4) (Figure 8).
In another embodiment of the invention, the air-conditioning device (1) comprises at least three thermoelectric modules forming a C-shape so as to partially surround the exhaust air duct (8), their hot surfaces (4) being arranged on the concave side of the C-shape, and PCM packages (10) placed between the hot surfaces (4).
In an embodiment of the invention, the portable air-conditioning device (1) comprises at least one inlet opening (13) provided in the exhaust air duct (8), in which PCM packages (10) are placed, and enabling air directed by the fan (6) to contact with the PCM packages (10), and a housing (15) having at least one outlet opening (14) which enables discharge of the air passing via the PCM packages (10).
In the portable air-conditioning device (1) of the invention, cooling is performed by thermoelectric module (5), and residual heat dissipating from the hot surface (4) of the thermoelectric module (5) is partially or fully stored in the detachable PCM packages (10).

Claims (14)

  1. A portable air-conditioning device (1), comprising, a body (2), at least one thermoelectric module (5) provided in the body (2) comprising a cold surface (3) cooling the air passing via thereof and a hot surface (4) warming the air passing via thereof, a fan (6) enabling the body (2) to receive the ambient air inside, and to pass it through the thermoelectric module (5), a conditioned air duct (7) enabling the air delivered by the fan (6) to pass via the cold surface (3) and directs it to the environment outside the body (2), an exhaust air duct (8) enabling the air delivered by the fan (6) to pass via the hot surface (4) and directs it to the environment outside the body (2), and a separator (9) splitting the conditioned air duct (7) and the exhaust air duct (8), characterized by at least one PCM package (10) placed detachably in the exhaust air duct (8), and storing heat dissipating from the hot surface (4) of the thermoelectric module (5) to the exhaust air duct (8) through heat transfer by way of conduction or convection.
  2. The portable air-conditioning device (1) according to claim 1, characterized by PCM packages placed in the exhaust air duct (8) in such a way to have at least partial surface-to-surface contact with the hot surface (4) of the thermoelectric module (5).
  3. The portable air-conditioning device (1) according to claims 1 or 2, characterized by PCM packages (10) placed in the exhaust air duct (8) in a such way to be further from the hot surface (4) in flow direction of the exhaust air (H).
  4. The portable air-conditioning device (1) according to claim 1, characterized by at least one mini-channel (11) extending in the PCM packages (10) in flow direction of the exhaust air (H).
  5. The portable air-conditioning device (1) according to claim 1, characterized by PCM packages placed in the exhaust air duct (8) in a such way to have no contact with the hot surface (4) of the thermoelectric module (5).
  6. The portable air-conditioning device (1) according to claims 1 or 5, characterized by a heat sink (12) extending from the hot surface (4) of the thermoelectric module (5) to the exhaust air duct (8), and accelerating heat transfer to the exhaust air (H) by way of convection.
  7. The portable air-conditioning device (1) according to claim 1, characterized by PCM packages (10) shaped as rectangular prisms having a rectangular cross-section and comprising two short sides and two long sides.
  8. The portable air-conditioning device (1) according to claims 1 or 7, characterized by PCM packages (10) placed in the exhaust air duct (8) consecutively and in a regular manner perpendicularly to the hot surface (4) in such a way that their short sides contact the hot surface (4) and their long sides contact each other.
  9. The portable air-conditioning device (1) according to claims 1 or 7, characterized by PCM packages (10) placed in the exhaust air duct (8) with their long sides perpendicular to the hot surface (4) and in a zigzag pattern.
  10. 10- The portable air-conditioning device (1) according to claims 1 or 7, characterized by PCM packages (10) placed in the exhaust air duct (8) successively in parallel with the hot surface (4) in such a way to have full contact with the hot surface (4) along a long side.
  11. The portable air-conditioning device (1) according to claims 1 or 7, characterized by PCM packages (10) placed in the exhaust air duct (8) with their long sides in parallel with the hot surface (4) and in a zigzag pattern.
  12. The portable air-conditioning device (1) according to claims 1 or 7, characterized by PCM packages (10) placed in the exhaust air duct (8) perpendicularly to or in parallel with the hot surface (4) and spaced from each other in such a way to contact with their short sides or long sides to the hot surface (4)
  13. The portable air-conditioning device (1) according to claim 1, characterized by at least three thermoelectric modules (5) forming a C-shape so as to partially surround the exhaust air duct (8), their hot surfaces (4) being arranged on the concave side of the C-shape, and by PCM packages (10) placed between the hot surfaces (4).
  14. The portable air-conditioning device (1) according to claim 1, characterized by at least one inlet opening (13) provided in the exhaust air duct (8), in which PCM packages (10) are placed, and enabling air directed by the fan (6) to contact with the PCM packages (10), and a housing (15) having at least one outlet opening (14) which enables discharge of the air passing via the PCM packages (10).
PCT/EP2017/064381 2016-06-17 2017-06-13 Portable air-conditioning device comprising thermoelectric module Ceased WO2017216147A1 (en)

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TR201608338 2016-06-17
TRA2016/08338 2016-06-17

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US20190154282A1 (en) * 2017-11-22 2019-05-23 International Business Machines Corporation Method and system for thermal cooling of an enclosure
US10731878B2 (en) * 2017-11-22 2020-08-04 International Business Machines Corporation Thermal cooling of an enclosure
NL2034655B1 (en) * 2023-04-21 2024-10-28 Tizzin B V COOLING SYSTEM AND METHOD FOR COOLING A ROOM WITH COOLING ELEMENTS WITH PHASE CHANGE MATERIAL
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RU2820250C1 (en) * 2023-11-15 2024-05-31 Общество с ограниченной ответственностью "Ботлихский радиозавод" Thermoelectric intensifier of heat transfer between flows of media with different temperature
RU2820249C1 (en) * 2023-11-15 2024-05-31 Общество с ограниченной ответственностью "Ботлихский радиозавод" Thermoelectric intensifier of heat transfer between flows of media with different temperature
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RU2823841C1 (en) * 2023-11-15 2024-07-30 Общество ограниченной ответственностью "Ботлихский радиозавод" Thermoelectric intensifier of heat transfer between flows of media with different temperature
RU2823843C1 (en) * 2023-11-15 2024-07-30 Общество с ограниченной ответственностью "Ботлихский радиозавод" Thermoelectric intensifier of heat transfer between flows of media with different temperature
RU2825038C1 (en) * 2023-11-15 2024-08-19 Общество с ограниченной ответственностью "Ботлихский радиозавод" Thermoelectric intensifier of heat transfer between flows of media with different temperature
RU2825039C1 (en) * 2023-11-15 2024-08-19 Общество с ограниченной ответственностью "Ботлихский радиозавод" Thermoelectric intensifier of heat transfer between flows of media with different temperature
RU2825037C1 (en) * 2023-11-15 2024-08-19 Общество с ограниченной ответственностью "Ботлихский радиозавод" Thermoelectric intensifier of heat transfer between flows of media with different temperature
RU2820251C1 (en) * 2023-11-15 2024-05-31 Общество ограниченной ответственностью "Ботлихский радиозавод" Thermoelectric intensifier of heat transfer between flows of media with different temperature

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