WO1998048225A1 - Dispositif de commande de fabrication de glace pour refrigerateur electrique de type a module thermoelectrique - Google Patents

Dispositif de commande de fabrication de glace pour refrigerateur electrique de type a module thermoelectrique Download PDF

Info

Publication number
WO1998048225A1
WO1998048225A1 PCT/JP1998/001807 JP9801807W WO9848225A1 WO 1998048225 A1 WO1998048225 A1 WO 1998048225A1 JP 9801807 W JP9801807 W JP 9801807W WO 9848225 A1 WO9848225 A1 WO 9848225A1
Authority
WO
WIPO (PCT)
Prior art keywords
heat exchange
exchange unit
thermoelectric module
ice making
ice
Prior art date
Application number
PCT/JP1998/001807
Other languages
English (en)
Japanese (ja)
Inventor
Munekazu Maeda
Katsuyuki Kuwajima
Shigetomi Tokunaga
Osamu Nakagawa
Hiroaki Kitagawa
Original Assignee
Matsushita Refrigeration Company
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 Matsushita Refrigeration Company filed Critical Matsushita Refrigeration Company
Priority to AU68548/98A priority Critical patent/AU6854898A/en
Publication of WO1998048225A1 publication Critical patent/WO1998048225A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B21/00—Machines, plants or systems, using electric or magnetic effects
    • F25B21/02—Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
    • F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures

Definitions

  • the present invention relates to an ice making control device for a thermoelectric module-type electric refrigerator that cools the inside of a refrigerator and makes ice using a Peltier device.
  • a technology using a Peltier element in a refrigeration system is disclosed in Japanese Patent Application Publication No. 6-504463.
  • a cooling water path for forcibly circulating cooling water is thermally coupled to each of the heat dissipation surface and the cooling surface of the Peltier element, and a heat exchanger interposed in the cooling water path thermally coupled to the cooling surface of the Peltier element.
  • the target object is cooled by the cooling of the heat exchanger, or the target object is warmed by heat radiation in a heat exchanger interposed in a cooling water passage thermally coupled to the heat radiation surface of the Peltier element.
  • the present invention has been made in view of such problems of the prior art, and has been made in consideration of a thermoelectric device capable of efficiently cooling a food storage room for storing food and an ice making room for making ice at a stable temperature. It aims to provide an ice making control device for a modular electric refrigerator.
  • an ice making control device for a thermoelectric module-type electric refrigerator includes a first thermoelectric module thermally coupled to a heat radiation surface of a first thermoelectric module.
  • An auxiliary heat exchange unit having a heat exchange unit is provided, and a first circulation path is formed between the first circulation pump, the heat radiation heat exchanger, and the first heat exchange unit of the main heat exchange unit.
  • a liquid is filled therein to form a heat radiation system, and a second circulation pump, a cooling heat exchanger, a third heat exchange unit of the auxiliary heat exchange unit, and a second heat exchange unit of the main heat exchange unit.
  • a second circulation path with the heat exchange section is formed, and the interior is filled with liquid to form a heat absorption system.
  • the heat exchange between the cooling heat exchanger and the air inside the refrigerator main body causes the refrigerator to exchange heat.
  • Thermoelectric module type electric cooling that cools the inside of the main unit and makes ice by absorbing heat on the cooling side of the auxiliary heat exchange unit
  • an ice making switch for setting whether or not to make ice, and when making ice with ice making switch 0, the second thermoelectric module of the auxiliary heat exchange unit is energized at a predetermined voltage, and the ice making switch FF is used to supply electricity to the second thermoelectric module.
  • Auxiliary heat exchange unit energization control means that cuts off current to the thermoelectric module, an internal temperature sensor provided inside the refrigerator main unit, and an internal temperature detection that detects the internal temperature with the internal temperature sensor Means, an internal temperature setting means for setting the internal temperature to a predetermined temperature, an internal temperature detected by the internal temperature detecting means, and a predetermined temperature set by the internal temperature setting means.
  • Temperature difference calculating means for calculating the temperature difference between the first and second thermoelectric modules of the main heat exchange unit according to the temperature difference calculated by the temperature difference calculating means.
  • An applied voltage determining means for determining a higher applied voltage when the voltage is high and the temperature difference is small, and when the ice making is performed with the ice making switch 0N as compared with the case where the ice making is not performed;
  • a main heat exchange unit energization control unit that energizes the first thermoelectric module of the main heat exchange unit according to the applied voltage determined by the voltage determination unit.
  • the applied voltage determining means for determining the voltage to be applied to the first thermoelectric module of the main heat exchange unit is a first thermoelectric module that is higher when ice is made with the ice making switch ON than when ice is not made.
  • the rise in applied voltage to the module is a voltage value obtained on the cooling surface of the first thermoelectric module of the main heat exchange unit.
  • thermoelectric module by setting the applied voltage of the first thermoelectric module to an appropriate value when making ice, it is possible to prevent the inside of the refrigerator from being overcooled and to eliminate unnecessary power consumption.
  • FIG. 1 is a longitudinal sectional view of a thermoelectric module type electric refrigerator according to the present invention.
  • FIG. 2 is an external perspective view of the electric refrigerator in FIG.
  • FIG. 3 is a partially cutaway rear view of the electric refrigerator of FIG.
  • FIG. 4 is a horizontal sectional view of the upper portion of the electric refrigerator main body of FIG.
  • FIG. 5 is a perspective view of a heat exchanger for heat dissipation and a fan motor provided in the electric refrigerator of FIG.
  • FIG. 6 is an explanatory diagram of a heat radiation Z heat absorption cycle of the electric refrigerator of FIG. 1 and a block diagram of the ice making control device.
  • FIG. 7 is a perspective view of a heat radiation system in the electric refrigerator of FIG.
  • FIG. 8 is a perspective view of a heat absorbing system in the electric refrigerator of FIG.
  • FIG. 9 is a longitudinal sectional view of an ice making portion provided in the electric refrigerator of FIG.
  • FIG. 10 is a flowchart for explaining the operation of the ice making control device.
  • FIG. 11 is a characteristic diagram showing a relationship between an applied voltage and a temperature difference in the ice making control device.
  • thermoelectric module type electric refrigerator According to the present invention, an ice making control device for a thermoelectric module type electric refrigerator according to the present invention will be described with reference to the drawings.
  • the housing of the thermoelectric module type electric refrigerator has a refrigerator main body 1 and a front door 4 pivotally supported by a shaft 3 to open and close the front opening 2 of the refrigerator main body 1. It is composed of Inside the back plate 5, which closes the opening at the back of the refrigerator body 1, there is provided a partition wall 6 attached to the refrigerator body 1 at a distance from the back plate 5, and the partition wall 6 and the refrigerator body 1 A heat insulating material 8 is filled between the inside of the inside and the in-compartment molded body 7 attached thereto.
  • the heat exchanger 10 for heat radiation and the main heat exchange unit 11 are located at the lower part of the outer chamber 9 formed between the back plate 5 and the partition 6. (Described later) are arranged.
  • fan motors 13a and 13b are attached to the upper part of the heat exchanger 10 for heat radiation via a hood 12.
  • a first circulation pump 14a is mounted on the upper surface of the hood 12 between the fan motors 13a and 13b.
  • a lower grill 15 with a suction port 15a is attached to the bottom of the outer chamber 9 and an upper grill with a discharge port 16a at the upper opening of the outer chamber 9. 16 are installed.
  • the air sucked into the outside chamber 9 from the suction port 15a of the lower grill 15 by the operation of the fan motors 13a and 13b passes between the fins of the heat exchanger 10 for heat radiation. It is discharged to the outside from the discharge port 16a of the upper grill 16.
  • a cooling heat exchanger 20 and a second circulating pump 14 b are mounted above the cooling heat exchanger 20 in the mechanical chamber 19 between the separated bulkhead 18. Have been.
  • a fan motor 13c is attached to an upper part of the partition wall 18, and a suction port 21 is formed in a lower part of the partition wall 18. The air in the compartment 17 is sucked from the suction port 21 of the bulkhead 18 into the internal power chamber 19 by the operation of the fan motor 13c, and is fed between the fins 20a of the cooling heat exchanger 20. Is discharged from the fan motor 13c to the inside 17 of the refrigerator and circulates.
  • An ice-making room 22 is provided at the top of the refrigerator 17 as shown in FIG. 11 and FIG. 4, and an auxiliary heat exchange unit 24 (described later) is attached to the back of the ice-making plate 23. ing.
  • the main heat exchange unit 11 includes a Peltier element 25 as a first thermoelectric module and a first heat exchange section thermally coupled to a heat dissipation surface of the Peltier element 25. 26 a and a second heat exchange part 26 b thermally coupled to the cooling surface of the Berch two element 25.
  • a Peltier element 25 as a first thermoelectric module
  • a first heat exchange section thermally coupled to a heat dissipation surface of the Peltier element 25.
  • 26 a and a second heat exchange part 26 b thermally coupled to the cooling surface of the Berch two element 25.
  • the auxiliary heat exchange unit 24 is similar to the main heat exchange unit, and includes a Peltier element 29 as a second thermoelectric module and a third heat exchange unit thermally coupled to a heat dissipation surface of the Peltier element 29. 30.
  • the ice making plate 23 is in contact with the cooling surface of the Peltier element 29 to be thermally coupled.
  • the first circulation path of the heat radiation system that circulates the cooling water between the first circulation pump 14a, the heat radiation heat exchanger 10 and the first heat exchange unit 26a of the main heat exchange unit 11
  • the road is configured as shown in FIG.
  • a first connection pipe 32 connects between the discharge port 31 of the first circulation pump 14a and one end 27a of the first heat exchange unit 26a of the main heat exchange unit 11a. Between the other end 27 b of the first heat exchange part 26 a of the main heat exchange unit 11 and one end of the heat exchanger 10 for heat radiation through a T-shaped joint 33 a in the middle. They are connected by the installed second and third connection pipes 32b and 32c. The remaining connection port 34 of the T-shaped joint 33a is finally closed by a cap.
  • the other end of the heat exchanger for heat dissipation 10 and the suction port 35 of the first circulation pump 14a are connected via the fourth connection pipe 32d and the T-shaped joint 33b. I have.
  • the remaining connection port 36 of the T-shaped joint 33b is finally provided with a first air reservoir 37a which is extendable and contractible.
  • the second circulation path of the heat absorption system that circulates cooling water between the second circulation pump 14 b, the cooling heat exchanger 20 and the second heat exchange section 26 b of the main heat exchange unit 11
  • the road is configured as shown in FIG.
  • a fifth connection pipe 3 2 e connects between the discharge port 38 of the second circulation pump 14 b and one end 28 a of the second heat exchange section 26 b of the main heat exchange unit 11. Between the other end 28 b of the second heat exchange section 26 b of the main heat exchange unit 11 and one end of the cooling heat exchanger 20 via a T-shaped joint 33 c in the middle. The 6th and 7th connecting pipes 32 f and 32 g are connected. The remaining connection port 39 of the T-shaped joint 33c is finally closed with a cap.
  • the other end of the cooling heat exchanger 20 and one end of the third heat exchange unit 30 of the auxiliary heat exchange unit 24 are connected by an eighth connection pipe 32h, and the auxiliary heat exchange unit is connected.
  • the connection between the other end of the third heat exchange section 30 of 24 and the suction port 40 of the second circulation pump 14 b is performed via the ninth connection pipe 32 i and the T-shaped joint 33 d. Connected.
  • the remaining connection port 4 1 of the T-shaped joint 3 3 d is finally connected to the first air reservoir A second air reservoir 37 b similar to that 37 a is mounted.
  • the main heat exchange unit 11 is actually covered with a heat insulating material.
  • the main heat exchange unit 11 was trapped. While energizing the Peltier elements 25 and 29 of the auxiliary heat exchange unit 24, the first and second circulating pumps 14a and 14b were operated, and the fan motors 13a, 13b and 1b were operated. When the 3c is operated, the heat generated on the heat dissipation surface of the Peltier element 25 raises the first heat exchange section 26a of the main heat exchange unit 11 as shown by the arrow A in FIGS. 3 and 7.
  • the cooling water flowing downward from the heater is heated, and the warmed cooling water radiates heat when passing through the heat-radiating heat exchanger 10 and its temperature decreases, and the first heat of the main heat exchange unit 11 A radiation cycle circulating in the exchange part 26 a is formed, and the air flow B 1 sucked from the lower grill 15 and the radiation surface of the Peltier element 25 And generated heat, air flow B 2 which One Nukuma been heat exchanged have you the radiating heat exchanger 1 0 is released from the upper grill 1 6 to the outside air.
  • the cooling water flows from the bottom to the top of the second heat exchange section 26 b of the main heat exchange unit 11, and the cooling surface of the Peltier element 29
  • the cooling water whose temperature has been lowered by cooling, exchanges heat with the circulating airflow D in the interior 17 when passing through the cooling heat exchanger 20 to cool the interior 17 and further heats the auxiliary heat exchange unit
  • the cooling water exchanges heat with the radiating surface of the Berch two element 29, the temperature rises, and the second heat of the main heat exchange unit 11
  • An endothermic cycle circulating in the exchange section 26b is formed.
  • the cooling is performed. Since the maximum value of the temperature difference between the heat radiation surface and the heat absorption surface of the Bertsch element 29 can be reduced as compared to the case where the flow of the water is made to flow in parallel, the heat distortion to the Peltier element 25 can be reduced. The durability of the Peltier element 25 can be improved.
  • the temperature of the above-mentioned heat release cycle and heat absorption cycle is as follows: when the outside temperature is 30 ° C and the inside of the 17 liter capacity 60 liter is operated at 5 ° C, the main heat exchange unit 1
  • the temperature of the cooling water at the inlet side (one end 27a) of the first heat exchange section 26a of 1 is 36 ° C, and the second.
  • the temperature of the cooling water at the outlet side (the other end 27 b) of the heat exchange section 26 a of 1 was 39 ° C.
  • the temperature of the cooling water on the inlet side (one end 28a) of the second heat exchange unit 26b of the main heat exchange unit 11 is-3 ° C, and the outlet of the second heat exchange unit 26b
  • the temperature of the cooling water on the side (the other end 28 b) was 0 ° C, and the temperature of the cooling water on the outlet side of the third heat exchange section 30 of the auxiliary heat exchange unit 24 was +2 ° C.
  • the surface of the ice making plate 23 was at ⁇ 10 ° C., and ice making was possible.
  • thermoelectric module type electric refrigerator of the present invention an auxiliary heat exchange unit 24 is provided in the refrigerator 17 separately from the main heat exchange unit 11, and the heat radiating surface of the auxiliary heat exchange unit 24 is subjected to an endothermic cycle. Since the heat exchanger was configured to exchange heat with the cooling water, the ice making plate 23 was sufficiently cooled.
  • FIG. 9 shows details of the vicinity of the auxiliary heat exchange unit 24 and the ice making plate 23.
  • a concave portion 44 is formed on an upper surface of the aluminum ice making plate 23 so as to store an ice tray 43 or to collect wastewater generated in a defrosting operation.
  • 4 5 is a heat insulating material.
  • reference numeral 47 denotes an ice making switch for setting whether or not to make ice.
  • Reference numeral 48 denotes an auxiliary heat exchange unit energization control means.
  • the second thermoelectric module 29 of the auxiliary heat exchange unit 24 is energized at a predetermined voltage to make ice.
  • control is performed so as to cut off the power supply to the second thermoelectric module 29.
  • Reference numeral 49 denotes a refrigerator temperature sensor provided in the refrigerator main body.
  • Reference numeral 50 denotes an inside temperature detecting means for detecting the inside temperature by the inside temperature sensor 49.
  • Reference numeral 51 denotes an internal temperature setting means for setting the internal temperature to a predetermined temperature.
  • Reference numeral 52 denotes a temperature difference calculating means for calculating a temperature difference between the inside temperature detected by the inside temperature detecting means 50 and the predetermined temperature set by the inside temperature setting means 51.
  • an applied voltage determining means which determines the voltage applied to the first thermoelectric module 25 of the main heat exchange unit 11 in accordance with the temperature difference calculated by the temperature difference calculating means 52, When the temperature is small, the applied voltage is high. When the temperature difference is small, the applied voltage is low. In addition, when the ice making switch 47 is turned on, the applied voltage is determined to be higher than when the ice making is not performed.
  • 5 4 is a main heat exchange unit energization control unit that energizes the first thermoelectric module 25 of the main heat exchange unit 11 in accordance with the applied voltage determined by the applied voltage determination unit 53.
  • thermoelectric module type electric refrigerator configured as described above will be described below with reference to FIGS. 6, 10, and 11.
  • FIG. 10 is a flowchart for explaining the operation of the ice making control device
  • FIG. 11 is a characteristic diagram showing the relationship between the applied voltage and the temperature difference in the ice making control device.
  • step S 1 it is determined whether the ice making switch 47 is ON or OFF (step S 1). If the ice making switch 47 is ON, the auxiliary heat exchange unit energization control means 48 is set to the auxiliary heat exchange unit.
  • the second thermoelectric module 29 in the step 24 is energized at a predetermined voltage to perform ice making (step S 2). On the other hand, when the ice making switch 47 is OFF, the power supply to the second thermoelectric module 29 is cut off (step S3).
  • the inside temperature detecting means 50 detects the inside temperature T by the inside temperature sensor 49 (step S4).
  • the applied voltage determining means 53 As shown in (a) of FIG.
  • the voltage V applied to the thermoelectric module 25 is marked higher when the temperature difference is large, and marked when the temperature difference is small.
  • the applied voltage is determined to be low (step S6).
  • the applied voltage is 5 V to maintain the set temperature even when the temperature difference is 0 ° C, and the applied voltage is applied when the temperature difference ⁇ is 10 ° C or more.
  • the voltage is set to the maximum applied voltage of 12 V for the thermoelectric module.
  • the applied voltage is determined to be higher than when the ice making is not performed (step S7).
  • the applied voltage is increased by 1 V as compared to when ice is not made, as shown in FIG. 11 (b).
  • the main heat exchange unit energization control means 54 energizes the first thermoelectric module 25 of the main heat exchange unit 11 in accordance with the applied voltage determined by the applied voltage determination means 53 (step S8), Return to step S1.
  • thermoelectric module of the main heat exchange unit 11 when making ice, heat is radiated from the heat radiation surface of the second thermoelectric module 29 of the auxiliary heat exchange unit 24, but the first thermoelectric module of the main heat exchange unit 11 By increasing the voltage applied to 25 to increase the amount of heat absorbed by the cooling surface of the first thermoelectric module 25, it is possible to prevent the temperature inside the refrigerator from rising.
  • the applied voltage determining means 53 for determining the voltage to be applied to the first thermoelectric module 25 of the main heat exchange unit 11 Increase the value of the voltage applied to the first thermoelectric module 25, which is higher when performing ice making than when ice is not performed, to the heat radiation surface of the second thermoelectric module 29 of the auxiliary heat exchange unit 24.
  • the amount of heat absorbed corresponding to the amount of heat released is the voltage value obtained on the cooling surface of the first thermoelectric module 25 of the main heat exchange unit 11.
  • the applied voltage is increased by IV when performing ice making compared to when not performing ice making.
  • thermoelectric module 25 by setting the applied voltage of the first thermoelectric module 25 to an appropriate value when making ice, it is possible to prevent the inside of the refrigerator from being overcooled and eliminate unnecessary power consumption.
  • the ice making switch 47 is not shown, but may be installed on the outer wall of the refrigerator main body or inside the refrigerator.
  • the refrigerator temperature setting means 51 may be a fixed temperature control of, for example, 5 ° C., or may be a variable temperature control that can be set by a user.
  • the control knob is provided in the refrigerator main body. It can be installed on the outer wall of the house or inside the warehouse.
  • the voltage applied to the first thermoelectric module of the main heat exchange unit is increased to increase the amount of heat absorbed by the cooling surface of the first thermoelectric module, and Prevents the inside of the refrigerator from cooling down by preventing the temperature of the refrigerator from rising and by setting the rise in the applied voltage to an appropriate value, thereby eliminating unnecessary power consumption and making ice in the refrigerator.
  • the room can be cooled efficiently at a stable temperature.

Abstract

L'invention concerne un dispositif de commande de fabrication de glace, doté d'un système de détermination de tension appliquée (53) qui détermine une tension (V) appliquée à un premier module thermoélectrique (25), lequel est conçu pour refroidir l'intérieur d'un réfrigérateur, en fonction d'une différence (ΔT) entre une température régnant à l'intérieur du réfrigérateur (T) et une certaine température préétablie (Tref), de manière à opter pour un niveau de tension élevé lorsque l'écart (ΔT) est important, un faible niveau lorsque celui-ci est peu important, et un niveau plus élevé lorsqu'une opération de fabrication de glace est en cours que lorsque cette opération n'est pas en cours; pour une opération de fabrication en cours, la tension appliquée augmente jusqu'à un niveau où la quantité de chaleur à cycle d'absorption correspondant à une quantité de rayonnement thermique depuis une surface rayonnante sur un second module thermoélectrique de fabrication de glace (29) peut être fournie par une surface réfrigérante du premier module thermoélectrique destinée au refroidissement de l'intérieur (25), l'intérieur du réfrigérateur étant refroidi efficacement à une température stable.
PCT/JP1998/001807 1997-04-22 1998-04-21 Dispositif de commande de fabrication de glace pour refrigerateur electrique de type a module thermoelectrique WO1998048225A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU68548/98A AU6854898A (en) 1997-04-22 1998-04-21 Ice making control apparatus for thermoelectric module type electric refrigerator

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP10448597A JPH10300302A (ja) 1997-04-22 1997-04-22 熱電モジュール式電気冷蔵庫の製氷制御装置
JP9/104485 1997-04-22

Publications (1)

Publication Number Publication Date
WO1998048225A1 true WO1998048225A1 (fr) 1998-10-29

Family

ID=14381866

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1998/001807 WO1998048225A1 (fr) 1997-04-22 1998-04-21 Dispositif de commande de fabrication de glace pour refrigerateur electrique de type a module thermoelectrique

Country Status (4)

Country Link
JP (1) JPH10300302A (fr)
AU (1) AU6854898A (fr)
TW (1) TW396264B (fr)
WO (1) WO1998048225A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW200839163A (en) 2007-03-16 2008-10-01 Zippy Tech Corp An ice-making mechanism equipped with convection fan

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4310933Y1 (fr) * 1964-04-07 1968-05-13
JPS5846077U (ja) * 1981-09-22 1983-03-28 隆祥産業株式会社 電子冷却装置の制御回路
JPH06504361A (ja) * 1991-01-15 1994-05-19 ハイドロクール・プロプライエタリー・リミテッド 熱電システム
JPH07301479A (ja) * 1994-05-06 1995-11-14 Sharp Corp 冷凍冷蔵庫の製氷ユニット

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4310933Y1 (fr) * 1964-04-07 1968-05-13
JPS5846077U (ja) * 1981-09-22 1983-03-28 隆祥産業株式会社 電子冷却装置の制御回路
JPH06504361A (ja) * 1991-01-15 1994-05-19 ハイドロクール・プロプライエタリー・リミテッド 熱電システム
JPH07301479A (ja) * 1994-05-06 1995-11-14 Sharp Corp 冷凍冷蔵庫の製氷ユニット

Also Published As

Publication number Publication date
AU6854898A (en) 1998-11-13
JPH10300302A (ja) 1998-11-13
TW396264B (en) 2000-07-01

Similar Documents

Publication Publication Date Title
WO1998021531A1 (fr) Systeme de refroidissement thermoelectrique
CN112912671B (zh) 空气调温模块和可调温式储藏装置
CN108626933B (zh) 冰箱
JPH0642852A (ja) 熱電半導体素子を利用した熱電式冷蔵／温蔵兼用装置
WO1998048225A1 (fr) Dispositif de commande de fabrication de glace pour refrigerateur electrique de type a module thermoelectrique
CN113819668B (zh) 制冷装置
JP2001289550A (ja) 熱電モジュール式電気冷蔵庫
JPH10300305A (ja) 熱電モジュール式電気冷蔵庫
KR20020019787A (ko) 효율이 뛰어난 차량용 열전 냉·온장고
JPH10300306A (ja) 熱電モジュール式電気冷蔵庫
CN107816832B (zh) 冰箱
KR20220086877A (ko) 초소형 냉난방장치
JP2004278893A (ja) 冷却装置及びそれを備えた冷凍冷蔵庫
KR20040080688A (ko) 냉온 소자를 이용한 수냉식 냉온풍시스템
JP2002022332A (ja) 熱電モジュール式電気冷蔵庫
CN111595056A (zh) 一种饮用液体制冷设备
JP3751710B2 (ja) 熱電モジュール式電気冷蔵庫
JP3472475B2 (ja) 解凍装置
JP2004278890A (ja) 冷凍冷蔵庫
JP3461768B2 (ja) 熱電モジュール式電気冷蔵庫
JP7012139B2 (ja) 冷蔵庫
KR200321060Y1 (ko) 냉온 소자를 이용한 수냉식 냉온풍시스템
JP2002174479A (ja) 熱電モジュール式電気冷蔵庫
JP3330531B2 (ja) 熱電モジュール式電気冷蔵庫
JP2710552B2 (ja) 蓄熱式空気調和装置

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): AL AM AT AU AZ BA BB BG BR BY CA CH CN CU CZ DE DK EE ES FI GB GE GH GM GW HU ID IL IS KE KG KR KZ LC LK LR LS LT LU LV MD MG MK MN MW MX NO NZ PL PT RO RU SD SE SG SI SK SL TJ TM TR TT UA UG US UZ VN YU ZW

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): GH GM KE LS MW SD SZ UG ZW AM AZ BY KG KZ MD RU TJ TM AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE BF BJ CF CG CI CM GA GN ML MR NE SN TD TG

DFPE Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101)
121 Ep: the epo has been informed by wipo that ep was designated in this application
REG Reference to national code

Ref country code: DE

Ref legal event code: 8642

122 Ep: pct application non-entry in european phase
NENP Non-entry into the national phase

Ref country code: CA