CN102592686B - Heat exchanger - Google Patents

Abstract

The invention discloses a heat exchanger, which comprises a heat dissipation module, an internal circulation fan and an external circulation fan. The heat dissipation module comprises 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, wherein the plurality of first air inlets and the plurality of first air outlets are respectively communicated with the plurality of first flow channels, the plurality of second air inlets and the plurality of second air outlets are respectively communicated with the plurality of second flow channels, the module body comprises a first surface and a second surface, the first surface is opposite to the second surface, the plurality of first air inlets and the plurality of first air outlets are located on the first surface, and the plurality of second air inlets and the plurality of second air outlets are located on the second surface.

Description

heat exchanger

technical field

The invention relates to a heat exchanger, in particular to an air-cooled heat exchanger.

Background technique

The existing heat exchanger includes a box body, a cooling module, an internal circulation fan and an external circulation fan. The heat dissipation module, the internal circulation fan and the external circulation fan are all arranged in the cabinet. In the prior art, the flow channel openings of the heat dissipation module are usually located on the top and bottom surfaces of the heat dissipation module. Therefore, the internal circulation fan and the internal circulation fan need to be respectively arranged above and below the heat dissipation module. Thus increasing the height of the cabinet. Moreover, when the thickness of the existing heat exchanger is reduced, the opening of the flow channel of the heat dissipation module is also reduced, and the opening of the flow channel is easily blocked by dust. At the same time, the size of the internal circulation fan and the external circulation fan are also limited by the thickness of the heat exchanger. Provide proper air volume.

Contents of the invention

The present invention provides a heat exchanger for solving the problems of the prior art, which includes a heat dissipation module, an internal circulation fan and an external 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, wherein, The plurality of first flow channels and the plurality of second flow channels are alternately arranged, the plurality of first air inlets and the plurality of first air outlets respectively communicate with the plurality of first flow channels, the plurality of second air inlets and the plurality of first air outlets are respectively connected to the plurality of first flow channels. The plurality of second air outlets respectively communicate with the plurality of second flow channels, the module body includes a first surface and a second surface, the first surface is opposite to the second surface, the plurality of first air inlets and The plurality of first air outlets are located on the first surface, and the plurality of second air inlets and the plurality of second air outlets are located on the second surface. The internal circulation fan guides a first airflow into the first flow passage through the first air inlets, and flows out from the first air outlets. The external circulation fan guides a second airflow into the second channel through the plurality of second air inlets, and flows out from the plurality of second air outlets.

In an embodiment of the present invention, since the plurality of first air inlets and the plurality of first air outlets are located on the first surface, the plurality of second air inlets and the plurality of second air outlets are located on the second surface , so when the heat exchanger is thinned (thickness is reduced), the opening area of the plurality of first air inlets, the plurality of first air outlets, the plurality of second air inlets and the plurality of second air outlets No reduction and still provide ample airflow.

In an embodiment of the present invention, the inner circulation fan corresponds to the plurality of first air inlets, and the outer circulation fan corresponds to the plurality of second air inlets. In this way, the flow path of the first air flow and the second air flow in the heat dissipation module can be increased, and the heat exchange efficiency can be improved. Meanwhile, the inner circulation fan is adjacent to the third surface, and the outer circulation fan is adjacent to the fourth surface, and is suitable for introducing hot air (first airflow) and cold air (second airflow) into the cooling module.

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

The box body has an accommodating space, and the accommodating space has a supporting surface. In one embodiment, the included angle θ between the first surface and the second surface of the heat dissipation module and the supporting surface is less than 90 degrees. By tilting the heat dissipation module, the path volumes of the plurality of first flow channels and the plurality of second flow channels can be increased, and the heat exchange efficiency can be further improved.

Description of drawings

FIG. 1A is a perspective view of a heat exchanger according to an embodiment of the present invention;

FIG. 1B is a situation where the heat exchanger according to the embodiment of the present invention is installed in a target system;

Fig. 2A is a perspective view of the heat dissipation module of the present invention;

Fig. 2B is a perspective view of another viewing angle of the heat dissipation module of the present invention; and

Fig. 2C is a cross-sectional view along line 2C-2C in Fig. 2A.

Description of main component symbols

1～target system

10～equipment

100～heat exchanger

110～cooling module

111 ~ the first surface

112 ~ second surface

113 ~ third surface

114 ~ fourth surface

115～the first air inlet

116～the first air outlet

117～Second air inlet

118～Second air outlet

119～Module body

1101～the first runner

1102～Second runner

120～internal circulation fan

130～External circulation fan

140～cabinet

141～Accommodating space

142～support surface

Detailed ways

FIG. 1A is a perspective view showing a heat exchanger 100 according to an embodiment of the present invention. FIG. 1B shows a situation where a heat exchanger 100 according to an embodiment of the present invention is installed in a target system 1 . Referring to FIG. 1A and FIG. 1B , the heat exchanger 100 of the embodiment of the present invention includes a heat dissipation module 110 , an inner circulation fan 120 , an outer circulation fan 130 and a box 140 . 2A and 2B, the cooling 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, a plurality of second air outlets 118, a plurality of A first flow channel 1101 and a plurality of second flow channels 1102 . Referring to FIG. 2C , which is a cross-sectional view along the line 2C-2C in FIG. 2A , the plurality of first flow channels 1101 and the plurality of second flow channels 1102 are arranged in a staggered manner, thereby enhancing heat exchange efficiency. With reference to FIG. 2A, FIG. 2B and FIG. 2C, the plurality of first air inlets 115 and the plurality of first air outlets 116 communicate with the plurality of first flow channels 1101 respectively, the plurality of second air inlets 117 and the plurality of The second air outlets 118 communicate with the plurality of second flow channels 1102 respectively.

2A, 2B, the module body 119 is a cube, including a first surface (front) 111, a second surface (back) 112, a third surface (top) 113 and a fourth surface (bottom) 114. The first surface 111 is parallel to and opposite to the second surface 112, the plurality of first air inlets 115 and the plurality of first air outlets 116 are located on the first surface 111, the plurality of second air inlets 117 and the plurality of A second air outlet 118 is located on the second surface 112 . The third surface 113 is parallel to and opposite to the fourth surface 114 , and 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, since the plurality of first air inlets 115 and the plurality of first air outlets 116 are located on the first surface 111, the plurality of second air inlets 117 and the plurality of second air outlets 118 are located on the first surface 111. The second surface 112, therefore, when the heat exchanger is thinned (thickness is reduced), the plurality of first air inlets 115, the plurality of first air outlets 116, the plurality of second air inlets 117 and the plurality of second air inlets 117 The opening area of the second air outlet 118 will not be reduced, and sufficient air flow can still be provided.

Referring to FIG. 1B , FIG. 2A and FIG. 2B , the internal circulation fan 120 guides a first airflow into the first flow channel 1101 through the plurality of first air inlets 115 , and flows out from the plurality of first air outlets 116 . The external circulation fan 130 guides a second airflow into the second flow passage 1102 through the plurality of second air inlets 117 , and flows out from the plurality of second air outlets 118 . The internal circulation fan 120 corresponds to the plurality of first air inlets 115 to guide the first airflow into the first flow channel 1101 . The external circulation fan 130 corresponds to the plurality of second air inlets 117 to guide the second airflow into the second flow channel 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 plurality of first air inlets 115 , and the outer circulation fan 130 corresponds to the plurality of second air inlets 117 . In this way, the flow path of the first air flow and the second air flow in the heat dissipation module can be increased, and the heat exchange efficiency can be improved. Meanwhile, 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 introducing hot air (first airflow) and cool air (second airflow) into the cooling module.

The inner circulation fan 120 and the outer circulation fan 130 can be axial flow fans 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 disposed on the first surface 111 and the second surface 112 respectively, the overall height of the heat exchanger can be effectively reduced.

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

The box body 140 has an accommodating space 141 , and the accommodating space has a supporting surface 142 . In one embodiment, the included 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 tilting the cooling module, the path volume of the plurality of first flow channels 1101 and the plurality of second flow channels 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 brought into the heat dissipation module 110 by the first airflow, and carried to the outside by the second airflow, thus effectively providing the function of heat exchange.

Although the present invention has been disclosed in conjunction with the specific preferred embodiments above, it is not intended to limit the present invention. Any skilled person can make some changes and modifications without departing from the spirit and scope of the present invention. Therefore The scope of protection of the present invention should be defined by the appended claims.

Claims (12)

1. a heat exchanger, comprising:

Radiating module, be inclined in a casing, and comprise module body, multiple first air intake vent, multiple first air outlet, multiple second air intake vent, multiple second air outlet, multiple first flow and multiple second runner, wherein, the plurality of first flow and the arrangement interlaced with each other of the plurality of second runner, the plurality of first air intake vent and the plurality of first air outlet are communicated with the plurality of first flow respectively, the plurality of second air intake vent and the plurality of second air outlet are communicated with the plurality of second runner respectively, this module body comprises first surface and second surface, this first surface is in contrast to this second surface, the plurality of first air intake vent and the plurality of first air outlet are positioned at this first surface, the plurality of second air intake vent and the plurality of second air outlet are positioned at this second surface, angle between one supporting surface of this first surface of this radiating module and this second surface and this casing is less than 90 degree, the flow passage route of the plurality of first flow and the plurality of second runner is U-shaped,

Inner eycle fan, to be arranged in this casing and corresponding the plurality of first air intake vent, to be imported among this first flow through the plurality of first air intake vent by one first air-flow, and to flow out from the plurality of first air outlet; And

Outer circulation fan, to be arranged in this casing and corresponding the plurality of second air intake vent, to be imported among this second runner through the plurality of second air intake vent by one second air-flow, and to flow out from the plurality of second air outlet.

2. heat exchanger as claimed in claim 1, wherein, this Inner eycle fan and this outer circulation fan are tubeaxial fan.

3. heat exchanger as claimed in claim 1, wherein, this module body is cube, and this module body also comprises the 3rd surface and the 4th surface, 3rd surface is parallel and in contrast to the 4th surface, this first surface and this second surface are perpendicular to the 3rd surface and the 4th surface.

4. heat exchanger as claimed in claim 3, wherein, contiguous 3rd surface of this Inner eycle fan, contiguous 4th surface of this outer circulation fan.

5. heat exchanger as claimed in claim 1, it also comprises casing, and wherein, this radiating module, this Inner eycle fan and this outer circulation fan are located among this casing.

6. a heat exchanger, comprising:

Casing, has accommodation space, and this accommodation space has supporting surface;

Radiating module, be placed among this accommodation space, this radiating module comprises module body, multiple first air intake vent, multiple first air outlet, multiple second air intake vent, multiple second air outlet, multiple first flow and multiple second runner, wherein, the plurality of first air intake vent and the plurality of first air outlet are communicated with the plurality of first flow respectively, the plurality of second air intake vent and the plurality of second air outlet are communicated with the plurality of second runner respectively, this module body comprises first surface and second surface, this first surface is parallel and in contrast to this second surface, the plurality of first air intake vent is positioned at this first surface, the plurality of second air intake vent is positioned at this second surface, this first surface and the angle between this second surface and this supporting surface are less than 90 degree, the flow passage route of the plurality of first flow and the plurality of second runner is U-shaped,

Inner eycle fan, to be placed among this accommodation space and corresponding the plurality of first air intake vent, to be imported among this first flow through the plurality of first air intake vent by one first air-flow, and flows out from the plurality of first air outlet; And

Outer circulation fan, to be placed among this accommodation space and corresponding the plurality of second air intake vent, to be imported among this second runner by one second air-flow with this outer circulation fan through the plurality of second air intake vent, and flow out from the plurality of second air outlet.

7. heat exchanger as claimed in claim 6, wherein, this Inner eycle fan and this outer circulation fan are tubeaxial fan.

8. heat exchanger as claimed in claim 6, wherein, this module body is cube, and this module body also comprises the 3rd surface and the 4th surface, 3rd surface is parallel and in contrast to the 4th surface, this first surface and this second surface are perpendicular to the 3rd surface and the 4th surface.

9. heat exchanger as claimed in claim 8, wherein, this accommodation space is cube.

10. heat exchanger as claimed in claim 9, wherein, contiguous 3rd surface of this Inner eycle fan, contiguous 4th surface of this outer circulation fan.

11. heat exchangers as claimed in claim 6, wherein, the plurality of first flow and the arrangement interlaced with each other of the plurality of second runner.

12. heat exchangers as claimed in claim 6, wherein, the plurality of first air outlet is positioned at this first surface, and the plurality of second air outlet is positioned at this second surface.