TWI457529B - Heat exchanger - Google Patents

Description

Heat exchanger

This invention relates to a heat exchanger, and more particularly to an air cooled heat exchanger.

The conventional heat exchanger includes a box body, a heat dissipation module, an inner circulation fan and an outer circulation fan. The heat dissipation module, the inner circulation fan and the outer circulation fan are all arranged in the cabinet. In the prior art, the flow channel opening of the heat dissipation module is usually located on the top surface and the bottom surface of the heat dissipation module. Therefore, the inner circulation fan and the outer circulation fan are respectively disposed above and below the heat dissipation module. This increases the height of the cabinet. Moreover, when the thickness of the conventional heat exchanger is reduced, the flow passage opening of the heat dissipation module is also small, and the flow passage opening is easily blocked by dust. At the same time, the size of the inner circulation fan and the outer circulation fan is also limited by the thickness of the heat exchanger, and cannot be Provide the right amount of air.

The present invention provides a heat exchanger for solving the problems of the prior art, and includes a heat dissipation module, an inner circulation fan and an outer circulation fan. The heat dissipation module includes a module body, a plurality of first air inlets, a plurality of first air outlets, a plurality of second air inlets, a plurality of second air outlets, a plurality of first flow channels, and a plurality of second flow channels. The first air channel and the second air channel are staggered with each other, and the first air inlet and the first air outlet respectively communicate with the first air channel, the second air inlet and the second The air outlets respectively connect the second flow channels, and the module body includes a a first surface and a second surface, the first surface is opposite to the second surface, the first air inlet and the first air outlet are located on the first surface, the second air inlet and the second The air outlet is located on the second surface. The inner circulation fan introduces a first airflow into the first flow passage through the first air inlets, and flows out from the first air outlets. The outer circulation fan introduces a second airflow into the second flow passage through the second air inlets, and flows out from the second air outlets.

In the embodiment of the present invention, since the first air inlets and the first air outlets are located on the first surface, the second air inlets and the second air outlets are located on the second surface, so when thin In the case of a heat exchanger (reduced thickness), the opening areas of the first air inlets, the first air outlets, the second air inlets, and the second air outlets are not reduced, and are still available. Adequate airflow.

In an embodiment of the invention, the inner circulation fan corresponds to the first air inlet, and the outer circulation fan corresponds to the second air inlet. Thereby, the flow path of increasing the first airflow and the second airflow in the heat dissipation module can be increased, and the heat exchange efficiency is improved. At the same time, the inner circulation fan is adjacent to the third surface, and the outer circulation fan is adjacent to the fourth surface, and is adapted to introduce hot air (first air flow) and cold air (second air flow) into the heat dissipation module.

The inner circulation fan and the outer circulation fan may be an axial fan or other types of fans. In the embodiment of the present invention, since the inner circulation fan and the outer circulation fan are respectively disposed on the first surface and the second surface, the overall height of the heat exchanger can be effectively reduced.

The housing has an accommodating space, and the accommodating space has a supporting surface. In an embodiment, the first surface and the second surface of the heat dissipation module and the branch The angle θ between the struts is less than 90 degrees. By tilting the heat dissipation module, the path volume of the first flow path and the second flow path can be increased, and the heat exchange efficiency is further improved.

Fig. 1A is a perspective view showing the heat exchanger 100 of the embodiment of the present invention. Fig. 1B shows a situation in which the heat exchanger 100 of the embodiment of the present invention is disposed in a target system 1. Referring to FIGS. 1A and 1B , the heat exchanger 100 of the embodiment of the present invention includes a heat dissipation module 110 , an internal circulation fan 120 , an external circulation fan 130 , and a casing 140 . Referring to FIGS. 2A and 2B , the heat dissipation module 110 includes a module body 119 , a plurality of first air inlets 115 , a plurality of first air outlets 116 , a plurality of second air inlets 117 , and a plurality of second air outlets 118 . A plurality of first flow paths 1101 and a plurality of second flow paths 1102. Referring to FIG. 2C, which shows a cross-sectional view in the 2C-2C direction in FIG. 2A, the first flow path 1101 and the second flow paths 1102 are staggered with each other, whereby heat exchange efficiency can be enhanced. With reference to the 2A, 2B, and 2C drawings, the first air inlet 115 and the first air outlets 116 respectively communicate with the first flow paths 1101, and the second air inlets 117 and the second air outlets 118 respectively The second flow paths 1102 are connected.

Referring to FIGS. 2A and 2B, the module body 119 is in the form of a cube, and includes a first surface (front surface) 111, a second surface (back surface) 112, a third surface (top surface) 113, and a fourth surface (bottom surface). ) 114. The first surface 111 is parallel and opposite to the second surface 112. The first air inlet 115 and the first air outlets 116 are located on the first surface 111, the second air inlets 117 and the second outlets A tuyere 118 is located on the second surface 112. The third table The face 113 is parallel and opposite to the fourth surface 114. The first surface 111 and the second surface 112 are perpendicular to the third surface 113 and the fourth surface 114.

In the above embodiment, the first air inlets 115 and the first air outlets 116 are located on the first surface 111, and the second air inlets 117 and the second air outlets 118 are located on the second surface 112. Therefore, in the case of the thinned heat exchanger (reduced thickness), the opening areas of the first air inlet 115, the first air outlets 116, the second air inlets 117, and the second air outlets 118 are It will not be reduced and still provide sufficient airflow.

Referring to FIGS. 1B, 2A, and 2B, the inner circulation fan 120 introduces a first airflow into the first flow path 1101 through the first air inlets 115, and flows out from the first air outlets 116. The outer circulation fan 130 introduces a second airflow into the second flow passage 1102 through the second air inlets 117, and flows out from the second air outlets 118. The inner circulation fan 120 corresponds to the first air inlet 115 to introduce the first air flow into the first flow path 1101. The outer circulation fan 130 corresponds to the second air inlet 117 to introduce the second air flow into the second flow path 1102. In this embodiment, the inner circulation fan 120 is adjacent to the third surface 113, and the outer circulation fan 130 is adjacent to the fourth surface 114.

In the above embodiment, the inner circulation fan 120 corresponds to the first air inlet 115, the outer circulation fan 130, and the second air inlet 117. Thereby, the flow path of increasing the first airflow and the second airflow in the heat dissipation module can be increased, and the heat exchange efficiency is improved. At the same time, the inner circulation fan 120 is adjacent to the third surface 113, and the outer circulation fan 130 is adjacent to the fourth surface 114, and is suitable for The hot air (first air flow) and the cold air (second air flow) are introduced into the heat dissipation module.

The inner circulation fan 120 and the outer circulation fan 130 may be an axial fan or other types of fans. In the embodiment of the present invention, since the inner circulation fan 120 and the outer circulation fan 130 are respectively disposed on the first surface 111 and the second surface 112, the overall height of the heat exchanger can be effectively reduced.

In this embodiment, the flow paths of the first flow path 1101 and the second flow paths 1102 are U-shaped.

The housing 140 has an accommodating space 141, and the accommodating space has a supporting surface 142. In one embodiment, the angle θ between the first surface 111 and the second surface 112 of the heat dissipation module and the support surface 142 is less than 90 degrees. By arranging the heat dissipation module, the path volume of the first flow path 1101 and the second flow path 1102 can be increased, and the heat exchange efficiency can be further improved.

In FIG. 1B, the heat generated (or introduced) by the device 10 of the target system 1 is carried by the first airflow into the heat dissipation module 110 and brought to the outside by the second airflow, thereby effectively providing heat exchange. Features.

Although the present invention has been described above in terms of the preferred embodiments thereof, it is not intended to limit the invention, and those skilled in the art can make some modifications and refinements without departing from the spirit and scope of the invention. Therefore, the scope of the invention is defined by the scope of the appended claims.

1‧‧‧ target system

10‧‧‧ Equipment

100‧‧‧heat exchanger

110‧‧‧ Thermal Module

111‧‧‧ first surface

112‧‧‧ second surface

113‧‧‧ third surface

114‧‧‧Fourth surface

115‧‧‧First air inlet

116‧‧‧First air outlet

117‧‧‧second air inlet

118‧‧‧Second air outlet

119‧‧‧Module Ontology

1101‧‧‧First runner

1102‧‧‧Second runner

120‧‧‧Internal circulation fan

130‧‧‧Outer circulation fan

140‧‧‧ cabinet

141‧‧‧ accommodating space

142‧‧‧Support surface

1A is a perspective view showing a heat exchanger according to an embodiment of the present invention; FIG. 1B is a view showing a heat exchanger according to an embodiment of the present invention, and FIG. 2A is a perspective view showing a heat dissipation module; 2B is a perspective view showing another view of the heat dissipation module; and 2C is a 2C-2C cross-sectional view in FIG. 2A.

1‧‧‧ target system

10‧‧‧ Equipment

100‧‧‧heat exchanger

110‧‧‧ Thermal Module

111‧‧‧ first surface

112‧‧‧ second surface

120‧‧‧Internal circulation fan

130‧‧‧Outer circulation fan

140‧‧‧ cabinet

141‧‧‧ accommodating space

142‧‧‧Support surface

Claims (17)

A heat exchanger includes: a heat dissipation module, comprising a module body, a plurality of first air inlets, a plurality of first air outlets, a plurality of second air inlets, a plurality of second air outlets, and a plurality of first air passages And a plurality of second flow passages, wherein the first flow passages and the second flow passages are alternately arranged with each other, and the first air inlets and the first air outlets respectively communicate with the first flow passages, the first The second air inlet and the second air outlet respectively communicate with the second flow passages, the module body includes a first surface and a second surface, the first surface is opposite to the second surface, the first inlet The tuyere and the first air outlets are located on the first surface, the second air inlets and the second air outlets are located on the second surface; an inner circulation fan passes a first airflow through the first air inlets Introducing into the first flow path and flowing out from the first air outlets; and an outer circulation fan, introducing a second air flow into the second flow path through the second air inlets, and from the first Two outlets flow out. The heat exchanger of claim 1, wherein the inner circulation fan corresponds to the first air inlet to introduce the first air flow into the first flow path. The heat exchanger of claim 2, wherein the outer circulation fan corresponds to the second air inlet to introduce the second air flow into the second flow path. The heat exchanger of claim 1, wherein the inner circulation fan and the outer circulation fan are axial flow fans. The heat exchanger according to claim 1, wherein the The flow path of the first flow path and the second flow path is U-shaped. The heat exchanger of claim 1, wherein the module body is a cube, the module body further comprising a third surface and a fourth surface, the third surface being parallel and opposite to the fourth surface The first surface and the second surface are perpendicular to the third surface and the fourth surface. The heat exchanger of claim 6, wherein the inner circulation fan is adjacent to the third surface, and the outer circulation fan is adjacent to the fourth surface. The heat exchanger of claim 1, further comprising a casing, wherein the heat dissipation module, the inner circulation fan and the outer circulation fan are disposed in the casing. A heat exchanger includes: a box body having an accommodating space, the accommodating space having a supporting surface; a heat dissipating module disposed in the accommodating space, the heat dissipating module comprising a module body and a plurality of a first air inlet, a plurality of first air outlets, a plurality of second air inlets, a plurality of second air outlets, a plurality of first flow passages, and a plurality of second flow passages, wherein the first air inlets and the first air inlets The first air outlets and the second air outlets respectively communicate with the second air passages, wherein the first air flow channels and the second flow paths are connected to each other Staggered, the module body includes a first surface and a second surface, the first surface is parallel and opposite to the second surface, the first air inlet is located at the first surface, and the second air inlet is located The second surface, the angle between the first surface and the second surface and the support surface is less than 90 degrees; An inner circulation fan is disposed in the accommodating space, and the inner circulation fan introduces a first airflow into the first flow passage through the first air inlets, and flows out from the first air outlets; and The outer circulation fan is disposed in the accommodating space, and the outer circulation fan introduces a second airflow into the second flow passage through the second air inlets, and flows out from the second air outlets. The heat exchanger of claim 9, wherein the inner circulation fan corresponds to the first air inlet to introduce the first air flow into the first flow path. The heat exchanger of claim 10, wherein the outer circulation fan corresponds to the second air inlet to introduce the second air flow into the second flow path. The heat exchanger of claim 9, wherein the inner circulation fan and the outer circulation fan are axial flow fans. The heat exchanger of claim 9, wherein the first flow path and the flow path of the second flow paths are U-shaped. The heat exchanger of claim 9, wherein the module body is a cube, the module body further comprising a third surface and a fourth surface, the third surface being parallel and opposite to the fourth surface The first surface and the second surface are perpendicular to the third surface and the fourth surface. The heat exchanger of claim 14, wherein the accommodating space is a cube. The heat exchanger of claim 15, wherein the inner circulation fan is adjacent to the third surface, and the outer circulation fan is adjacent to the fourth surface. The heat exchanger of claim 9, wherein the first air outlets are located on the first surface, and the second air outlets are located on the second surface.