CN211041477U

CN211041477U - Heat exchanger for strengthening heat transfer of thermoelectric material

Info

Publication number: CN211041477U
Application number: CN201922222963.7U
Authority: CN
Inventors: 黄进禄; 朱康达
Original assignee: MAOMING POLYTECHNIC
Current assignee: MAOMING POLYTECHNIC
Priority date: 2019-12-12
Filing date: 2019-12-12
Publication date: 2020-07-17
Anticipated expiration: 2029-12-12

Abstract

The patent combines a thermoelectric material with a heat exchanger, in particular to a heat exchanger with the thermoelectric material for strengthening heat transfer. The device specifically comprises a header, a microchannel heat exchange tube, thermoelectric materials and fins. The thermoelectric material is fixed between the heat exchange tube and the fin. The heat exchanger increases the heat exchange temperature difference between the working medium in the pipe and the working medium outside the pipe through thermoelectric materials, and the heat exchange effect is enhanced. When the working medium in the tube needs to be cooled or condensed, the cold end of the thermoelectric material is contacted with the microchannel heat exchange tube, and the hot end of the thermoelectric material is contacted with the fin, so that the wall temperature of the heat exchange tube is reduced through the thermoelectric material, and meanwhile, the temperature of the fin is increased. When the working medium in the tube needs to be heated or evaporated, the thermoelectric material needs to pass through opposite current, the positions of the cold end and the hot end of the thermoelectric material are exchanged, and the heat exchange temperature difference is increased to achieve the effect of enhancing heat transfer.

Description

Heat exchanger for strengthening heat transfer of thermoelectric material

Technical Field

The patent of the utility model relates to a heat exchanger field is a heat exchanger of heat transfer is reinforceed through thermoelectric material, increases the fluidic difference in temperature in heat exchanger both sides through thermoelectric material.

Background

The heat exchange temperature difference of the air-cooled micro-channel heat exchanger is determined by the temperature of the working medium in the heat exchange tube and the temperature of the external environment. When the ambient temperature is close to the temperature of the working medium in the heat exchange tube, the heat exchange quantity of the heat exchanger is obviously reduced when the heat exchange area and the heat exchange coefficient of the heat exchanger are fixed, so that the normal operation of the whole system is influenced, and the efficiency of a thermodynamic system is reduced.

The same heat exchanger can be used as a condenser or an evaporator in different working conditions, such as an outdoor heat exchanger of a heat pump air conditioner. When the air conditioner is in a cooling mode, the heat exchanger of the outdoor unit is a condenser, the refrigerant transfers heat to the environment through the heat exchanger of the outdoor unit, and the temperature of the refrigerant is higher than the ambient temperature. When the air conditioner is in a heating mode, the heat exchanger of the outdoor unit is an evaporator, the refrigerant absorbs heat to the environment through the heat exchanger of the outdoor unit, and the temperature of the refrigerant is lower than the ambient temperature. The heat transfer directions of two sides of the same heat exchanger under different working conditions are different.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a thermoelectric material reinforces heat exchanger of conducting heat to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a heat exchanger with thermoelectric material for strengthening heat transfer comprises a header, a microchannel heat exchange tube, a thermoelectric material and fins. The two sides of the microchannel heat exchange tube are connected with headers; the upper surface and the lower surface of the microchannel heat exchange tube are respectively attached with thermoelectric materials; the other side of the thermoelectric material is connected with the fin.

When the working medium in the heat exchange tube of the heat exchanger for strengthening heat transfer of the thermoelectric material needs to be cooled or condensed, the thermoelectric material is made to be a cold end by the current direction of the thermoelectric material and to be attached to the microchannel heat exchange tube, and one end of the connecting fin is a hot end. The wall surface temperature of the micro-channel heat exchange tube is reduced through the thermoelectric material, and meanwhile, the temperature of the fins is increased, and the heat exchange capacity is enhanced.

When the working medium in the heat exchange tube of the heat exchanger for strengthening heat transfer of the thermoelectric material needs to be heated or evaporated, the thermoelectric material is made to be a hot end by the current direction of the thermoelectric material and to be attached to the microchannel heat exchange tube, and one end of the connecting fin is a cold end. The wall surface temperature of the micro-channel heat exchange tube is improved through the thermoelectric material, and meanwhile, the temperature of the fins is reduced, and the heat exchange capacity is enhanced.

As a further aspect of the present invention: the electric energy required by the thermoelectric material of the heat exchanger for enhancing heat transfer of the thermoelectric material can be provided by a solar panel.

Compared with the prior art, the beneficial effects of the utility model are that: when the utility model is used, the heat exchange temperature between the heat exchange tube and one end of the thermoelectric material is increased through electric power, and the heat exchange capability is enhanced; meanwhile, the heat exchange temperature difference between the other end of the thermoelectric material and the fins is enhanced, and the heat exchange capacity is enhanced. Finally, the utility model discloses a heat transfer ability obtains the reinforcing.

Drawings

Fig. 1 is a schematic structural diagram of a heat exchanger with thermoelectric material for enhancing heat transfer.

Fig. 2 is a partially enlarged view a of fig. 1.

In the figure: 1-header, 2-heat exchange tube, 3-thermoelectric material and 4-fin.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

Detailed description of the preferred embodiment 1

Referring to fig. 1-2, a heat exchanger with thermoelectric material for enhancing heat transfer includes a header (1), a microchannel heat exchange tube (2), a thermoelectric material (3) and fins (4). Two sides of the microchannel heat exchange tube (2) are connected with the header (1); the upper surface and the lower surface of the microchannel heat exchange tube (2) are respectively attached with thermoelectric materials (3); the other surface of the thermoelectric material (3) is connected with a fin (4).

When a working medium in a heat exchange tube of the heat exchanger with the thermoelectric material for enhancing heat transfer needs to be cooled or condensed, the thermoelectric material (3) is made to be a cold end by the current direction of the thermoelectric material (3) and to be attached to the microchannel heat exchange tube (2), and one end of the connecting fin (4) is a hot end. The wall surface temperature of the micro-channel heat exchange tube (2) is reduced through the thermoelectric material (3), and the temperature difference between the working medium in the heat exchange tube and the wall surface of the heat exchange tube is increased, so that the heat exchange enhancement of the part is facilitated. Meanwhile, the thermoelectric material (3) increases the temperature of the fin (4), increases the temperature of the fin (4) and the ambient temperature, and is favorable for strengthening the heat exchange of the part. Finally, the heat exchange capacity of the heat exchanger with the thermoelectric material for enhancing heat transfer is enhanced.

Specific example 2

When a working medium in a heat exchange tube of the heat exchanger with the thermoelectric material for strengthening heat transfer needs to be heated or evaporated, the thermoelectric material (3) is made to be a hot end by the current direction of the thermoelectric material (3) and to be attached to the microchannel heat exchange tube (2), and one end of the connecting fin (4) is a cold end. The wall surface temperature of the micro-channel heat exchange tube (2) is increased through the thermoelectric material (3), and the temperature difference between the working medium in the heat exchange tube and the wall surface of the heat exchange tube is increased, so that the heat exchange enhancement of the part is facilitated. Meanwhile, the thermoelectric material (3) reduces the temperature of the fins (4), increases the temperature of the fins (4) and the ambient temperature, and is favorable for strengthening the heat exchange of the parts. Finally, the heat exchange capacity of the heat exchanger with the thermoelectric material for enhancing heat transfer is enhanced.

According to the heat exchanger for enhancing heat transfer of the thermoelectric material, electric energy required by the thermoelectric material (3) can be provided by a solar panel. Therefore, other electric energy does not need to be additionally used, and the heat exchange capacity of the heat exchanger is improved.

The above is only the preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.

Claims

1. The heat exchanger for strengthening heat transfer of the thermoelectric material is characterized by comprising a header (1), a microchannel heat exchange tube (2), the thermoelectric material (3) and fins (4); one end of the thermoelectric material (3) is attached to two side faces of the microchannel heat exchange tube (2), and the other end of the thermoelectric material (3) is tightly connected with the fin (4).

2. The heat exchanger for strengthening heat transfer of thermoelectric materials according to claim 1, wherein when the working medium in the heat exchange tube needs to be cooled or condensed, the thermoelectric materials are led to be cold ends by the current direction of the thermoelectric materials and to be attached to the microchannel heat exchange tube (2), and one end of the connecting fin (4) is a hot end; the wall surface temperature of the micro-channel heat exchange tube (2) is reduced through thermoelectric materials, and meanwhile, the temperature of the fins (4) is increased, so that the heat exchange capacity is enhanced.

3. The heat exchanger for strengthening heat transfer of thermoelectric materials according to claim 1, wherein when the working medium in the heat exchange tube needs to be heated or evaporated, the thermoelectric materials are made to be hot ends against the microchannel heat exchange tube (2) in the current direction of the thermoelectric materials, and one end of the connecting fin (4) is a cold end; the wall surface temperature of the micro-channel heat exchange tube (2) is improved through thermoelectric materials, and meanwhile, the temperature of the fins (4) is reduced, and the heat transfer capacity is enhanced.

4. The heat exchanger for enhanced heat transfer of a thermoelectric material as recited in claim 1 wherein the electrical energy required for the thermoelectric material is provided by a solar panel.