CN2842314Y

CN2842314Y - Semiconductor refrigerator

Info

Publication number: CN2842314Y
Application number: CN 200520076661
Authority: CN
Inventors: 秦俸吉; 毛奇峰; 邵惠明
Original assignee: Suzhou Samsung Electronics Co Ltd
Current assignee: Suzhou Samsung Electronics Co Ltd
Priority date: 2005-10-25
Filing date: 2005-10-25
Publication date: 2006-11-29
Anticipated expiration: 2015-10-25

Abstract

The utility model relates to a semiconductor refrigerator driven by a fuel battery. The fuel battery is adopted to supply electric energy. A controller is connected with the fuel battery, a semiconductor refrigerating slice and a direct current fan. The semiconductor refrigerating slice generates a hot-cold effect, and heat which is generated by the direct current fan is exhausted out of the refrigerator. The utility model combines the characteristics that the semiconductor refrigerator is portable, the operating time of the fuel battery is long and the fuel battery is good for environmental protection organically. The semiconductor refrigerator of the utility model can be convenient for a trip, the semiconductor refrigerator is not limited by commercial power, the service life is long and the semiconductor refrigerator is safe and is good for environmental protection.

Description

Semiconductor refrigerator

Technical Field

The utility model relates to a refrigerator that uses among the daily life, specifically speaking is a semiconductor refrigerator.

Background

At present, the refrigerators sold on the market are all supplied with electric energy by mains supply, but the refrigerators cannot be used in mountains, sentries and places of tourist scenic spots because the mains supply is unavailable. The existing patent also suggests that the refrigerator is used in places without commercial power supply by adopting solar energy or a battery pack as a power supply, but the adoption of the solar energy or the common battery pack has many limitations, the solar energy cannot be used in rainy days or insufficient sunlight, and the common battery pack has the defects of short service life of a battery, serious environmental pollution after use and the like. Therefore, it is necessary to develop a refrigerator which is convenient for traveling, not limited by commercial power, long in service life, safe and environment-friendly.

Disclosure of Invention

An object of the utility model is to provide a novel semiconductor refrigerator, the utility model discloses compare with original refrigerator, can be at the local effectual use that does not have the commercial power supply, life is longer, more environmental protection.

The purpose of the utility model can be realized through the following technical scheme: the utility model provides a semiconductor refrigerator, it is equipped with controller, refrigerating system including the box of refrigerator on the box of refrigerator, its characterized in that: the refrigerating system comprises a fuel cell and a semiconductor refrigerating piece, wherein the fuel cell is positioned at the rear lower side of the refrigerator body, and the semiconductor refrigerating piece is positioned at the middle upper part of the refrigerator body.

The refrigerator body is provided with a controller and a refrigerating system, the refrigerating system comprises a fuel cell and a semiconductor refrigerating sheet, the fuel cell is positioned at the rear lower side of the refrigerator body and is connected with the controller through a lead, and the controller is connected with the semiconductor refrigerating sheet. The fuel cell mainly comprises a hydrogen storage tank, a reaction battery pack and a direct current fan, and is a hydrogen-air proton exchange membrane fuel cell. The cold effect surface of the semiconductor refrigerating sheet is closely contacted with the fins in the box body. The front of the fin is provided with a direct current fan, and an air outlet of the direct current fan is positioned in the refrigerator body. The heat effect surface of the semiconductor refrigerating sheet is in close contact with the heat dissipation aluminum block, and the heat dissipation aluminum block is provided with a medium pipeline which is positioned outside the refrigerator body. The fuel cell is connected with the controller through a lead, and the controller is connected with the semiconductor refrigerating sheet. Hydrogen in the fuel cell is decomposed into hydrogen protons and electrons through a proton exchange membrane in the cell pack, the hydrogen protons react with oxygen at a cathode through the exchange membrane to generate water, an electrode for generating the electrons is used as an anode, a voltage difference exists between the anode and the cathode, direct current voltage immediately supplies power to a fan, and the direct current fan is started to continuously supply oxygen to the reaction cell pack. The anode and cathode DC voltage generated by the reaction battery pack simultaneously supply power to the controller, and the controller is connected with the semiconductor refrigerating piece. The semiconductor cold effect surface becomes cold, and the heat effect surface on the other surface becomes hot. The cold effect surface of the semiconductor is in close contact with the warping sheet in the refrigerator body, the direct current fan is arranged in front of the warping sheet, and the air outlet of the direct current fan is arranged in the refrigerator. The cold energy generated by the semiconductor refrigerating sheet is transferred into the refrigerator body through the fan, so that refrigeration is realized. Meanwhile, the heat effect surface of the semiconductor refrigerating sheet is in close contact with the heat dissipation aluminum block. The heat dissipation aluminum block is provided with a medium pipeline, and the medium pipeline is arranged on the outer side of the refrigerator and used for dissipating heat of the semiconductor refrigeration piece out.

By adopting the scheme, the semiconductor refrigerator driven by the fuel cell effectively avoids the defects that solar energy cannot be used in rainy days or insufficient sunlight, a common battery pack has short service life and serious environmental pollution after use, and the like, and can completely meet the use requirement of traveling or places without commercial power in mountains and sentries; and the fuel cell releases water, so that no pollutant is discharged, and the environment is protected.

Drawings

The present invention will be further explained with reference to the accompanying drawings and examples.

Fig. 1 is a diagram showing a structure of a semiconductor couple.

Fig. 2 is a schematic diagram of the operation of a fuel cell.

Fig. 3 is a side view of the present invention.

Fig. 4 is a structural diagram of the fuel cell of the present invention.

Description of the main component reference numerals:

the device comprises a hydrogen-air proton exchange membrane fuel cell 1, a controller 2, a radiating aluminum block 3, a medium pipeline 4, a direct current fan 5, fins 6, semiconductor refrigerating sheets 7 and a refrigerator body 8, wherein the refrigerator body is provided with a refrigerating chamber and a refrigerating chamber; 11 is a hydrogen storage tank, 12 is a reaction battery pack, and 13 is a direct current fan; 21/22 is copper plate or copper wire, 23 is P-type semiconductor, 24 is N-type semiconductor, and 25 is DC power supply.

Detailed Description

Fig. 1 is a diagram of a semiconductor couple structure. The basic unit of the semiconductor refrigeration chip is a semiconductor couple, and the materials of the couple are a P-type semiconductor 23 (a cavity type) and an N-type semiconductor 24 (an electron type). The N-type semiconductor 24 and the P-type semiconductor 23 are connected to form a circuit by a copper plate or wire 21/22, and the copper plate or wire 21/22 conducts electricity. At this point, one junction becomes hot (thermal effect) and one junction becomes cold (cold effect). If the current direction is reversed, the cold and hot effects at the junction are reciprocal.

As shown in fig. 2, the fuel cell uses the proton exchange membrane technology, so that hydrogen is catalytically decomposed into protons at the anode under the action of the proton exchange membrane covered with a catalyst, the protons reach the cathode through the proton exchange membrane, electrons are released during the decomposition of the hydrogen, and the electrons are led out to the cathode through a load, thus generating electric energy. The chemical process of the anode is that the anode passes through the proton exchange membrane and the catalyst At the cathode, the protons combine with oxygen and electrons to produce water: . That is, the hydrogen inside the fuel cell chemically reacts with oxygen in the air to generate water, and current is generated at the same time, which is also understood as a reverse reaction of electrolyzed water. The fuel cell supplies hydrogen gas at the anode, collects hydrogen protons and releases electrons; electrons can be trapped at the cathode by an overload to generate electric energy. The function of the proton exchange membrane is simply to allow protons to pass through and combine with oxygen in the cathode to produce water. This water is emitted in the form of water vapor in the air under the effect of the temperature during the reaction.

The utility model discloses utilize above-mentioned principle, improve prior art, form the semiconductor refrigerator of a brand-new structure.

As shown in fig. 3, the semiconductor refrigerator driven by fuel cell of the present invention mainly comprises a refrigerator body 8, a semiconductor refrigeration plate 7, a controller 2, a hydrogen air proton exchange membrane fuel cell 1, a heat dissipation aluminum block 3, a medium pipeline 4, a dc fan 5 and fins 6. The controller 2 is used for connecting the hydrogen-air proton exchange membrane fuel cell 1, the semiconductor refrigerating sheet 7 and the direct current fan 5. The exchange membrane fuel cell 1 plays a role in power supply and provides the electric energy requirement of the whole refrigerator through internal reaction. When the hydrogen-air proton exchange membrane fuel cell 1 supplies power to the controller 2, the controller 2 is connected with the semiconductor refrigerating sheet 7. The semiconductor cold effect surface becomes cold, and the heat effect surface on the other surface becomes hot. The cold effect surface of the semiconductor is in close contact with the fin 6 in the refrigerator body, the direct current fan 5 is arranged in front of the fin 6, and an air outlet of the direct current fan 5 is arranged in the refrigerator. The cold energy generated by the semiconductor refrigerating sheet 7 is transmitted into the refrigerator body through the direct current fan 5, so that refrigeration is realized. Meanwhile, the heat effect surface of the semiconductor refrigerating sheet 7 is in close contact with the heat dissipation aluminum block 3. A medium pipeline 4 is arranged on the heat dissipation aluminum block 3, and the medium pipeline 4 is arranged on the outer side of the refrigerator. The heat of the semiconductor refrigerating sheet 7 is dissipated through the medium pipeline 4. The whole process completes the refrigeration and heat dissipation process of the semiconductor refrigerator driven by the fuel cell.

Fig. 4 shows the structure of the fuel cell of the present invention, which includes a hydrogen storage tank 11, a reaction battery 12, and a dc fan 13. The hydrogen in the hydrogen storage tank 11 is decomposed into hydrogen protons and electrons through a proton exchange membrane of the reaction battery pack 12, the hydrogen protons react with oxygen at a cathode through the exchange membrane to generate water, an electrode for generating electrons is used as an anode, a voltage difference exists between the anode and the cathode, direct current voltage is immediately supplied to the direct current fan 13, the direct current fan 13 is started to continuously supply the oxygen to the reaction battery pack 12, and the direct current voltage of the anode and the direct current voltage of the cathode generated by the reaction battery pack 12 simultaneously supply power to the controller 2, so that the fuel cell completes the process of supplying power to the refrigerator.

In addition to the above embodiments, the present invention may have other embodiments. All technical schemes formed by adopting equivalent replacement or equivalent transformation fall within the protection scope of the utility model.

Claims

1. The utility model provides a semiconductor refrigerator, it is equipped with controller, refrigerating system including the box of refrigerator on the box of refrigerator, its characterized in that: the refrigerating system comprises a fuel cell and a semiconductor refrigerating piece, wherein the fuel cell is positioned at the rear lower side of the refrigerator body, and the semiconductor refrigerating piece is positioned at the middle upper part of the refrigerator body.

2. The semiconductor refrigerator of claim 1, wherein: the fuel cell is a hydrogen-air proton exchange membrane fuel cell, which comprises a hydrogen storage tank, a reaction battery pack and a direct current fan.

3. The semiconductor refrigerator of claim 1, wherein: the cold effect surface of the semiconductor refrigerating sheet is in close contact with the fins in the box body.

4. The semiconductor refrigerator of claim 1, wherein: the front of the fin is provided with a direct current fan, and an air outlet of the direct current fan is positioned in the refrigerator body.

5. The semiconductor refrigerator of claim 1, wherein: the heat effect surface of the semiconductor refrigerating sheet is in close contact with the heat dissipation aluminum block, the heat dissipation aluminum block is provided with a medium pipeline, and the medium pipeline is positioned outside the refrigerator body.

6. The semiconductor refrigerator of claim 1, wherein: the fuel cell is connected with the controller through a lead, and the controller is connected with the semiconductor refrigerating sheet.