KR102173395B1 - heat exchanger for cooling electric element - Google Patents

Abstract

The present invention relates to a heat exchanger for cooling an electric element and a heat exchanger assembly for cooling an electric element, and in more detail, the electric element is easily inserted, and both sides of the electric element and the tube through which the cooling water flows are formed to contact each other. The present invention relates to a heat exchanger for cooling an electric device and a heat exchanger assembly for cooling an electric device capable of improving cooling performance and applicable to two or more types of electric devices.

Description

Heat exchanger for cooling electric element

The present invention relates to a heat exchanger for cooling an electric element and a heat exchanger assembly for cooling an electric element, and in more detail, the electric element is easily inserted, and both sides of the electric element and the tube through which the cooling water flows are formed to contact each other. The present invention relates to a heat exchanger for cooling an electric device and a heat exchanger assembly for cooling an electric device capable of improving cooling performance and applicable to two or more types of electric devices.

In recent years, as part of countermeasures against environmental problems, the development of hybrid vehicles, fuel cell vehicles, and electric vehicles using the driving power of a motor is receiving more and more attention. In general, a vehicle as described above is equipped with a PCU (power control unit) that controls the power supplied from a driving battery (eg, a voltage of 300V) to be supplied to the motor in a desired state.

PCU includes electric devices such as inverters, smoothing capacitors and converters. Since the electric devices generate heat while being supplied with electricity, a separate cooling means is necessarily required.

As a related technology, Japanese Patent Application Laid-Open No. 2001-245478 (published on September 7, 2001, name: inverter cooling device) discloses an inverter in which a semiconductor module including semiconductor elements such as IGBT and a diode is used. Publication No. 2008-294283 (published on December 4, 2008, name: semiconductor device) discloses a heat sink that is installed to contact the lower side of a semiconductor element and formed to heat exchange while a fluid flows therein.

In the case of this single-sided cooling method, there is a limitation in cooling performance, and the two-sided cooling method is designed to improve this.Since the double-sided cooling method is a structure in which elements are inserted into the space between the heat exchangers, the space between the electrical elements in the heat exchanger is It should be higher than the height, and at the same time, in order to increase the heat transfer performance of the heat exchanger, it is preferable that both the conditions that the element and the heat exchanger must be compressed well are satisfied.

The double-sided cooling type heat exchanger as shown in FIG. 1 includes a tube 20 located on both sides of the electric element 10 and formed to flow a heat exchange medium therein, and is coupled to both ends of the tube and the heat exchange medium flows in or It may be formed including a discharged tank 30, and the heat exchanger has a disadvantage in that it is difficult to insert the electric element since the electric element must be inserted after the space for inserting the electric element is fixed by brazing coupling.

In addition, the heat exchanger has a problem that if the distance between the tubes is widened to facilitate insertion of the electric element, the element and the tube are not compressed, so that the heat exchange efficiency is lowered.

Therefore, there is a need to develop a heat exchanger for cooling an electric device, in which it is easy to insert an electric element and that the element and the heat exchanger can be compressed well.

Prior patent 1: Japanese Patent Laid-Open Patent No. 2001-245478 (published on September 7, 2001, name: cooling device of inverter) Prior Patent 2: Japanese Patent Laid-Open Patent No. 2008-294283 (published on Dec. 4, 2008, name: Semiconductor device)

The present invention was conceived to solve the above-described problems, and an object of the present invention is to include a tube in which some regions are bent so as to be in contact with both sides in the height direction of the electric element, so that the electric element can be easily inserted. In addition, it can be easily compressed with an electric element, and cooling performance and assembly properties are improved as both sides of the electric element and the tube through which the coolant flows can be in contact with each other, and two or more types of electric elements having different heights are also applicable. It is possible to provide a heat exchanger for cooling electric devices.

The heat exchanger for cooling an electric element according to the present invention is a heat exchanger for cooling the electric element 2, extending in the longitudinal direction, and in contact with both sides in the height direction of the electric element 2 disposed in a partial area of the upper side. A first tube 101 that is bent at a certain point and through which a heat exchange medium flows; The second tube 101 is formed parallel to the first tube 101 by a predetermined distance apart from the first tube 101, and is bent so that the device insertion gap, which is the distance between the surfaces in contact with both sides of the electric device, is different from the first tube 101. Tube 102; A first header tank 210 coupled and fixed to one end of the first tube 101 and the second tube 102 in the longitudinal direction; And fixed to the other end in the longitudinal direction of the first tube 101 and the second tube 102, and disposed to be spaced apart from the center of the first header tank by a predetermined distance in the longitudinal direction when the tube is bent. A second header tank 220; An inlet pipe 310 formed in the first header tank 210 into which a heat exchange medium flows; And an outlet pipe 320 formed in the second header tank 220 to discharge a heat exchange medium. It characterized in that it comprises a. In more detail, a first tube 101 extending in the longitudinal direction, bending at a certain point so as to be in contact with the upper and lower surfaces of the electric element 2, and flowing a heat exchange medium therein; A first header tank 210 coupled and fixed to one end of the first tube 101 in the longitudinal direction; A second header tank that is coupled and fixed to the other end of the first tube 101 in the longitudinal direction, and does not overlap with the first header tank 210 in the longitudinal direction when the first tube 101 is bent ( 220); An inlet pipe 310 formed in the first header tank 210 into which a heat exchange medium flows; And an outlet pipe 320 formed in the second header tank 220 to discharge a heat exchange medium. Including, but characterized in that the inlet pipe 310 and the outlet pipe 320 do not overlap in the width direction. In addition, the heat exchanger for cooling the electric element is formed in parallel with the first tube 101 at a certain distance apart in the width direction, and the element insertion interval, which is the distance between the surfaces that are bent and in contact with both sides of the electric element, is the first tube ( 101) and a second tube 102 formed differently from the second tube 102, wherein the first header tank 210 is coupled to one end in the longitudinal direction of the first tube 101 and the second tube 102 Is fixed, the second header tank 220 is coupled and fixed to the other end of the first tube 101 and the second tube 102 in the longitudinal direction, and the first header tank is It characterized in that it is arranged to be spaced apart a predetermined distance from the center in the longitudinal direction.

In addition, the first header tank 210 and the second header tank 220 are in a state in which the first tube 101 and the second tube 102 are bent, so that the center lines in the longitudinal direction are spaced apart a predetermined distance from each other. Can be placed.

In addition, in the heat exchanger 1 for cooling the electric device, the inlet pipe 310 and the outlet pipe 320 may be arranged asymmetrically with respect to the center line of the first header tank 210 in the width direction.

In addition, the inlet pipe 310 and the outlet pipe 320 have a cross-sectional diameter of one side connected to the first header tank 210 or the second header tank 220 is larger than the vertical diameter, and the other side The cross section may be formed in a circular shape having a diameter greater than the heights of the first and second header tanks 210 and 220.

In addition, the heat exchanger (1) for cooling the electric device includes the first tube 101 and the second tube 102, both ends of which are coupled to the first header tank 210 and the second header tank 220, It may be coupled by being eccentric from the center of the first header tank 210 and the second header tank 220 in the height direction.

In addition, the first tube 101 and the second tube 102 may include a round portion 110 in which the bending point protrudes outward so that the height of the bending point is formed higher than the element insertion interval.

In addition, the heat exchanger for cooling the electric device may be formed to include a fixing bracket 400 coupled to and fixed to an external housing.

In addition, the fixing bracket 400 may be coupled to at least one of the first header tank, the second header tank, the first tube 101, the second tube 102, an inlet pipe, and an outlet pipe.

In the assembly of the heat exchanger (1) for cooling an electric element and the electric element (2) of the present invention, the electric element (2) is formed by bending the first tube 101 and the second tube 102 It is inserted into the space and is assembled so that both sides thereof are in close contact with the first tube 101 and the second tube 102 in the height direction.

In addition, the heat exchanger assembly for cooling the electric element has different heights between the electric element 2 assembled on the first tube 101 side and the electric element 2 assembled on the second tube 102 side. can do.

In addition, in the heat exchanger assembly 3 for cooling the electric element, the first tube 101 and the second tube 102 are spaced apart from each other in the width direction. 21) is disposed, and the power source 22 of the electric device 2 may be disposed in an outer space.

In addition, the width Tw of the first tube 101 and the second tube 102 may be formed to be less than or equal to the width Cw of the electric device 2.

The heat exchanger for cooling an electric device of the present invention has a great advantage in that both sides of the electric device and the tube through which the cooling water flows can contact each other, thereby effectively cooling heat generated from the integrated circuit device.

In addition, the heat exchanger for cooling an electric element of the present invention includes a tube whose partial regions are bent so as to contact both sides in the height direction of the electric element, so that the electric element can be easily inserted and easily compressed with the electric element. There is an advantage that cooling performance and assembly properties can be improved.

In other words, in the existing double-sided cooling type heat exchanger, if the distance between the tubes is increased so that the electric element can be easily inserted, it is difficult to compress the electric element and the tube. In order to solve the problem that it was difficult to insert the electric device when the gap is narrowed, the present invention allows the electric device to be disposed in the space between the tubes bent at a certain angle without the process of inserting the electric device into a narrow gap, and then the tube and the electric device The cooling performance and the assembling property can be improved at the same time by making them compress each other.

In this case, the present invention is formed so that the first header tank and the second header tank are not disposed on the same line in the height direction while the tube is bent so that the tube can press the electric device even if the height of the electric device is low.

In addition, the heat exchanger for cooling an electric device of the present invention has the advantage of being able to apply two or more types of electric devices having different heights by making the bending heights different when bending two rows of tubes respectively.

That is, according to the present invention, the first tube and the second tube are bent and the device insertion height, which is the height at which the device is inserted, is different from each other, so that electric devices having different heights for each row can be disposed and cooled.

In addition, the present invention can prevent damage to the tube in the process of bending the tube so as to contact both sides of a thin electric device having a thickness of about 4 to 5 mm by forming a bending point including a round portion protruding outward. .

Further, according to the present invention, since the inlet and outlet pipes can be configured in the same direction, the flow path configuration is simplified, and the space occupied in the vehicle can be reduced, so that the arrangement of peripheral parts can be facilitated.

1 is a side view showing an example of a conventional electric device cooling device.
2 is a perspective view showing a heat exchanger for cooling an electric device according to the present invention.
3 is a side view showing a heat exchanger for cooling an electric device according to the present invention.
4 is a front view of a first header tank and a second header tank in the heat exchanger for cooling an electric device according to the present invention.
Figure 5 is a perspective view showing the inlet pipe of the present invention.
Figure 6 is a front view of the inlet pipe of the present invention viewed from the front end (b) and rear end (a).
7 to 9 are perspective views showing various embodiments in which a fixing bracket is coupled in the heat exchanger for cooling an electric device according to the present invention.
10 is a perspective view showing a heat exchanger assembly for cooling an electric device according to the present invention.
11 is an exploded perspective view showing the heat exchanger assembly for cooling the electric device of FIG. 10.

Hereinafter, a heat exchanger for cooling an electric device and a heat exchanger assembly for cooling an electric device of the present invention as described above will be described in detail with reference to the accompanying drawings.

The present invention relates to a heat exchanger (1) for cooling an electric device of a double-sided cooling method formed in contact with both sides of an electric device, and largely, a first tube 101, a second tube 102, a first header tank 210 ) And a second header tank 220, an inlet pipe 310, and an outlet pipe 320.

Here, the electric device may be any one of a vehicle inverter, a motor drive inverter, and an air conditioner inverter in which a semiconductor module including a semiconductor device such as an IGBT and a diode is used. The present invention relates to a heat exchanger (1) for cooling an electric device for cooling it.

The first tube 101 and the second tube 102 are formed to extend in the longitudinal direction, are spaced apart from each other by a predetermined distance in the width direction, and are formed in parallel, and may be formed as shown in FIG. 2.

The first tube 101 is formed by bending at a predetermined point so as to contact both side surfaces in the height direction of the electric element disposed in a partial area of the upper side.

Likewise, the second tube 102 is also bent at a certain point so as to contact both side surfaces in the height direction of the electric element disposed in a partial area of the upper side, and the second tube 102 is bent to It is characterized in that the device insertion gap, which is the distance between the contacting surfaces, is formed differently from the first tube 101.

Accordingly, according to the present invention, even for electric devices having different heights, after bending the first tube 101 and the second tube 102 according to the height of the electric device, the first tube 101 and the second tube ( By appropriately arranging and inserting the electric device in 102), efficient double-sided cooling can be achieved.

At this time, the first tube 101 and the second tube 102 should reduce the thermal resistance in order to improve the heat transfer efficiency between the electric elements, and for this purpose, there should be no deformation in the width direction and the length direction on the surface in contact with the electric element. And it is desirable that the flatness be at most 0.15 or less.

4 shows the positions of the first tube insertion hole 101_h and the second tube insertion hole 102_h formed in the first header tank and the second header tank when electric devices having different heights are inserted, This is an example in which a thick electric element is disposed in the first tube 101 and a thin electric element is disposed in the second tube 102.

Like the electric element inserted in the second tube 102, when the height of the electric element is very low, the first tube 101 or the second tube 102 moves toward the height direction of the first header tank 210 and The second header tank 220 may be eccentrically coupled inward from the center line C_h. On the contrary, when the electric element is thick, such as the electric element inserted in the first tube 101, the first tube 101 or the second tube 102 is positioned in the height direction of the second header tank 220 and the second tube. 2 It may be eccentrically coupled outward from the center line C_h of the header tank 220.

Meanwhile, the heat exchange medium flowing inside the first tube 101 and the second tube 102 is water mixed with an ethylene glycol-based antifreeze, a natural refrigerant such as water or ammonia, or a Fron-based refrigerant such as R134a, and alcohol. It may be a refrigerant such as a ketone-based refrigerant, such as acetone or the like.

The first tube 101 and the second tube 102 may be tubes manufactured in a manner in which a plurality of partition walls are extruded in the longitudinal direction, or may be folded or welded.

The first header tank 210 is coupled and fixed to one end in the longitudinal direction before the first tube 101 and the second tube 102 are bent, and an inlet pipe 310 is formed so that the heat exchange medium flows in. Can be.

The second header tank 220 is coupled and fixed to the other end in the longitudinal direction before the first tube 101 and the second tube 102 are bent, and an outlet pipe 320 is formed to discharge the heat exchange medium. Can be.

That is, before the first tube 101 and the second tube 102 are bent, the heat exchanger 1 for cooling an electric device of the present invention has both ends of the first tube 101 and the second tube 102. The first header tank 210 and the second header tank 220 are coupled and fixed, so that the first header tank 210 and the second header tank 220 are parallel to each other in the longitudinal direction and spaced apart by a predetermined distance. .

Thereafter, as shown in FIG. 2, the heat exchanger 1 for cooling an electric device of the present invention is a height direction of an electric device disposed in a partial area of the upper side of the first tube 101 and the second tube 102. As a result, the first tube 101 and the second tube 102 are formed by bending the first tube 101 and the second tube 102 around a predetermined point so that both sides and the first tube 101 and the second tube 102 contact each other.

As described above, the heat exchanger 1 for cooling an electric device of the present invention includes the first header tank 210 and the second header tank 220 at both ends of the first tube 101 and the second tube 102. ) Is bent in a bonded state, and the bonding method at this time may be brazing, may be bonded through a mechanical connection structure, an adhesive material may be used, and various modifications may be implemented.

In this case, the present invention prevents the first header tank 210 and the second header tank 220 from being disposed on the same line in the height direction, so that even if the electronic device is very thin, the first tube 101 and the second tube ( 102) can be formed to be compressed.

In other words, in the present invention, even if the first tube 101 and the second tube 102 are bent, the first header tank 210 and the second header tank 220 are not stacked in the height direction, By staggering arrangement, the device insertion interval of the first tube 101 and the second tube 102 can be freely adjusted regardless of the first header tank 210 and the second header tank 220.

As described above, the heat exchanger 1 for cooling an electric element of the present invention has a form in which an electric element is inserted between the bent first tube 101 and the second tube 102 when assembling the electric element. , In general, the distance between the first tube 101 and the second tube 102 is only 4 in a fully bent state so that both sides of the electric device and the first tube 101 and the second tube 102 are in close contact. It is about ~5mm.

In order to make the distance between the bent tubes 100 to be about 4 to 5 mm, the fatigue applied to the bending point must be considerable. To minimize this, the first tube 101 and the second tube 102 are The round portion 110 in which the bending point protrudes outward so that the height of the bending point can be formed higher than the distance between the first tube 101 and the second tube 102 at the point where the electric element is seated. It may include.

As shown in FIGS. 2 and 3, the round part 110 may be formed at a point where it is bent, and a cross section may be formed in a circular shape in which a partial region on one side is opened.

In the heat exchanger (1) for cooling an electric device of the present invention, the diameter of the inlet pipe 310 and the outlet pipe 320 is larger than the height of the first header tank 210 and the second header tank 220. In this case, when the inlet pipe 310 and the outlet pipe 320 are formed in the center of the first and second header tanks 210 and 220, the tube 100 is bent. Thus, when the first header tank 210 and the second header tank 220 are positioned side by side in the height direction, interference is bound to occur.

Therefore, in the heat exchanger 1 for cooling an electric device of the present invention, it is preferable that the inlet pipe 310 and the outlet pipe 320 are arranged asymmetrically with respect to the center line of the first header tank 210 in the width direction. .

At this time, the heat exchanger 1 for cooling an electric device of the present invention can fluidly change the shape and position of the inlet and outlet pipes 310 and 320 for proper distribution of the heat exchange medium. When formed, the inlet pipe is preferably disposed adjacent to the center of the first header tank so that the introduced heat exchange medium is evenly distributed to the two tubes.

As described above, the heat exchanger (1) for cooling an electric device of the present invention is the height of the inlet pipe 310 and the outlet pipe 320 than the height of the first header tank 210 and the second header tank 220. The diameter may be formed to be large. To be more precise, the inlet pipe 310 and the outlet pipe 320 have a cross section of the side connected to the first header tank 210 or the second header tank 220 , The other side cross section is formed differently, and the diameter of the other side cross section is formed larger than the height of the first header tank 210 and the second header tank 220.

It is desirable to design the header tank as small as possible in order to improve the package for the heat exchanger for cooling electric devices installed in a power control unit (PCU) or a hybrid power control unit (HPCU). At this time, since the inlet pipe and the outlet pipe of the heat exchanger for cooling the electric element use the cooling fluid of the vehicle, they have a common diameter, but generally larger than the size of the header tank, the inlet pipe and the outlet pipe of the present invention are The diameter of the other end is larger than the diameter of one end connected to the first header tank 210 or the second header tank 220.

Referring to Figures 5 and 6, the front end of the inlet pipe 310 and the outlet pipe 320 is formed in the shape of a circular pipe having a common diameter, and the rear end has a horizontal diameter (W1) having a vertical diameter ( W2) is formed to be connected to the first header tank 210 and the second header tank 220 formed smaller than the common diameter of the front end.

On the other hand, the heat exchanger for cooling an electric device of the present invention is formed to include a fixing bracket 400 coupled and fixed to an external housing (not shown) for stably mounting in the PCU or HPCU.

The fixing bracket 400 has one end of the first header tank 210, the second header tank 220, the first tube 101, the second tube 102, and an inlet pipe ( 310) and at least one of the outlet pipe 320 may be coupled, and the other end may be formed to be coupled to the outer housing.

7 is a diagram illustrating an embodiment in which the fixing bracket 400 is connected to the first header tank 210 and the second header tank 220, and the fixing bracket 400 includes an approximately'b'-shaped bracket and The'b'-shaped bracket is coupled to have a total of three coupling surfaces, two of which are connected to the first header tank 210 and the second header tank 220, respectively, and the other is connected to the outer housing side. .

At this time, the fixing bracket 400 fixes the first header tank 210 and the second header tank 220 at a predetermined position, so that the first tube 101 and the second tube 102 (2) can help you squeeze.

Referring to FIG. 2, when the flow of the heat exchange medium in the heat exchanger 1 for cooling an electric device of the present invention is described,

First, the first tube formed by the heat exchange medium introduced through the inlet pipe 310 formed in communication with the first header tank 210 passes through the first header tank 210 and is in close contact with the upper surface of the electric element. It flows along 101 and the second tube 102.

Next, the heat exchange medium flows along the first tube 101 and the second tube 102 formed in close contact with the lower side of the electric element 2, and then passes through the second header tank 220 to the outlet pipe. It is discharged to 320.

10 and 11, the heat exchanger assembly 3 for cooling an electric device of the present invention includes the first tube 101 and the second tube of the heat exchanger 1 for cooling an electric device as described above. 102) is in close contact with each other in the height direction of the electric element to be assembled.

As described above, the heat exchanger assembly for cooling an electric device of the present invention is bent so that the element insertion heights of the first tube 101 and the second tube 102 are differently formed, so that the first tube 101 side The assembled electric element and the electric element assembled on the side of the second tube 102 may have different heights.

As shown in FIG. 10, the heat exchanger assembly 3 for cooling an electric device of the present invention includes an element of the electric device in an inner space formed by spaced apart from each other in the width direction of the first tube 101 and the second tube 102. It is preferable that the top 21 is disposed, and the connector 22 of the electric device is disposed in an outer space, so that the power supply unit can be easily connected during assembly of the entire module.

In addition, the heat exchanger 1 for cooling an electric device of the present invention includes the first tube 101 and the second tube 102 so that the first tube 101 and the second tube 102 do not cover the fins protruding on both sides in the width direction of the electric device. 101) and the width (Tw) of the second tube (102) is preferably formed to be less than or equal to the width (Cw) of the electric device.

Briefly describing the process of assembling the heat exchanger assembly 3 for cooling an electric device of the present invention,

First, when the first tube 101 and the second tube 102 bent are bent so as to form an angle of about 5 to 10 degrees, the electric element is the first tube 101 and the second tube 102 After being inserted and fixed therebetween, it can be assembled in a manner such that the upper surface of the electric device and the first tube 101 and the second tube 102 are compressed by pressing the spaced apart.

Accordingly, the electric element can be in close contact with the first tube 101 and the second tube 102 on both the upper and lower sides, and can be assembled to the heat exchanger without a process of difficultly inserting the electric element through a narrow gap. It is possible.

In addition, the heat exchanger 1 for cooling an electric device of the present invention has a great advantage that both sides of the electric device and the tube 100 through which the cooling water flows can contact each other, thereby effectively cooling the heat generated from the integrated circuit device. have.

The present invention is not limited to the above-described embodiments, and the scope of application thereof is diverse, as well as anyone with ordinary knowledge in the field to which the present invention belongs without departing from the gist of the present invention claimed in the claims. Of course, various modifications are possible.

1: Heat exchanger for cooling electric devices
2: Electric device
21: element fixing unit 22: power supply unit
3: heat exchanger assembly for cooling electric elements
101: first tube 102: second tube
101_h: first tube insertion hole 102_h: second tube insertion hole
110: round part
210: first header tank 220: second header tank
310: inlet pipe 320: outlet pipe
400: fixing bracket

Claims (12)

In the heat exchanger for cooling the electric element 2,
A first tube 101 extending in the longitudinal direction, bending at a certain point so as to be in contact with the upper and lower surfaces of the electric element 2, and flowing a heat exchange medium therein;
A first header tank 210 coupled and fixed to one end of the first tube 101 in the longitudinal direction;
A second header tank that is coupled and fixed to the other end of the first tube 101 in the longitudinal direction, and does not overlap with the first header tank 210 in the lengthwise direction when the first tube 101 is bent. 220);
An inlet pipe 310 formed in the first header tank 210 into which a heat exchange medium flows; And
An outlet pipe 320 formed in the second header tank 220 to discharge a heat exchange medium; Including,
The inlet pipe 310 and the outlet pipe 320 are heat exchangers for cooling electric elements, characterized in that they do not overlap in the width direction.
The method of claim 1,
The heat exchanger for cooling the electric device
The second tube 101 is formed parallel to the first tube 101 by a predetermined distance apart from the first tube 101, and is bent so that the device insertion gap, which is the distance between the surfaces in contact with both sides of the electric device, is different from the first tube 101. The tube 102; further includes,
The first header tank 210 is coupled and fixed to one end of the first tube 101 and the second tube 102 in the longitudinal direction,
The second header tank 220 is coupled and fixed to the other end of the first tube 101 and the second tube 102 in the longitudinal direction, and the center and length of the first header tank when the tube is bent Heat exchanger for cooling an electric device, characterized in that arranged to be spaced apart a predetermined distance in the direction.
delete The method of claim 2,
The inlet pipe 310 and the outlet pipe 320 are
The first header tank 210 or the second header tank 220 has a horizontal diameter W1 of one end surface that is larger than the vertical diameter W2,
A heat exchanger for cooling an electric device, characterized in that the other side cross section is formed in a circular shape having a diameter larger than the heights of the first and second header tanks 210 and 220.
The method of claim 1,
The heat exchanger (1) for cooling the electric device
The first tube 101 and the second tube 102 coupled to both ends of the first header tank 210 and the second header tank 220 are, in a height direction, the first header tank 210 and the second tube. 2 Heat exchanger for cooling electric elements, characterized in that eccentrically coupled from the center of the header tank (220).
The method of claim 1,
The first tube 101 and the second tube 102 are
So that the height of the bending point is formed higher than the element insertion interval
Heat exchanger for cooling an electric device, characterized in that it comprises a round portion (110) protruding outwardly at a bending point.
The method of claim 1,
The heat exchanger for cooling the electric device
A heat exchanger for cooling an electric device, characterized in that it is formed including a fixing bracket (400) that is coupled and fixed to the external housing.
The method of claim 7,
The fixing bracket 400 is
Heat exchanger for cooling an electric device, characterized in that coupled to at least one of the first header tank, the second header tank, the first tube 101, the second tube 102, an inlet pipe and an outlet pipe.
In the assembly of the heat exchanger (1) for cooling an electric element according to any one of claims 1, 2, and 4 to 8, and the electric element (2),
The electric device 2 is
It characterized in that the first tube 101 and the second tube 102 are inserted into the space between the bent and formed so that both sides thereof are in close contact with the first tube 101 and the second tube 102 in the height direction. Heat exchanger assembly for cooling an electric device.
The method of claim 9,
The heat exchanger assembly for cooling the electric device
Heat exchanger assembly for cooling an electric device, characterized in that the heights of the electric element 2 assembled on the side of the first tube 101 and the electric element 2 assembled on the side of the second tube 102 are different from each other .
The method of claim 9,
The heat exchanger assembly 3 for cooling the electric device is
The first tube 101 and the second tube 102 are spaced apart from each other in the width direction, and the element fixing part 21 of the electric element 2 is disposed in the inner space, and the electric element 2 A heat exchanger assembly for cooling an electric device, characterized in that the power unit 22 of) is disposed.
The method of claim 9,
The width (Tw) of the first tube 101 and the second tube 102 is
Heat exchanger assembly for cooling an electric device, characterized in that formed to be less than or equal to the width (Cw) of the electric device (2).

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