Converter

Abstract

A converter includes: an outer cover including an inner space; an electronic component disposed in the inner space; a first pipe disposed on an outer surface of the outer cover and including a first-first pipe and a first-second pipe arranged in parallel and spaced apart from each other; and a second pipe connected to the first-first pipe and the first-second pipe at both ends thereof, respectively.

Description

Technical Field

[0001] The invention relates to a converter. Background Art

[0002] The following provides background information about the present embodiment and does not describe prior art.

[0003] As electric devices of automobiles, engine electric devices (starting devices, ignition devices, and charging devices) and lighting devices are common, but in recent years, as vehicles are increasingly electronically controlled, most systems including chassis electric devices are being electrified and electronicized.

[0004] When the vehicle is stopped, various electronic components installed in the car (such as lights, audio, heater and air conditioner) receive power from the battery, and when the vehicle is running, the electronic components receive power from the generator. At this time, the power generation capacity of the 14V power system is used as the normal power supply voltage.

[0005] Recently, with the development of the information technology industry, various new technologies for improving automobile convenience (electric power steering, Internet, etc.) are being adopted on vehicles, and in the future, the development of new technologies that can maximize the use of current automobile systems is expected to continue.

[0006] Hybrid electric vehicles (HEV), whether soft or hard, are equipped with a DC-DC converter for supplying electric loads (12 V). In addition, the DC-DC converter used as a generator (alternator) in ordinary gasoline vehicles supplies 12 V voltage to electric loads by stepping down the high voltage of the main battery (usually a high voltage battery of 144 V or higher).

[0007] A DC-DC converter refers to an electronic circuit device that converts direct current power of a certain voltage into direct current power of another voltage, and is used in various fields such as televisions and automotive electronics.

[0008] The appearance of the converter may be formed by an outer cover, and a plurality of electronic components for driving are placed inside the outer cover. The plurality of electronic components generate heat by driving. In order to dissipate heat, a refrigerant pipe or a refrigerant channel for absorbing the heat generated from the electronic components is placed in the outer cover, but there is a problem that the heat dissipation in the outer cover cannot be fully achieved only by the refrigerant pipe. Summary of the invention

[0009] Technical Topics

[0010] The purpose of this embodiment is to provide a converter capable of enhancing heat dissipation efficiency by improving the structure.

[0011] Technical Solution

[0012] A converter includes: an outer cover including an inner space; an electronic component disposed in the inner space; a first pipe disposed on an outer surface of the outer cover and including a first-first pipe and a first-second pipe, the first-first pipe and the first-second pipe being disposed in parallel with each other and spaced apart from each other; and a second pipe connected to the first-first pipe and the first-second pipe at both ends thereof, respectively.

[0013] The first duct may be integrally formed with the housing.

[0014] A gap may be formed between the outer surface of the housing and the second duct.

[0015] A heat dissipation plate may be included, the heat dissipation plate being disposed between the outer surface of the housing and the second pipe, and an upper surface and a lower surface of the heat dissipation plate are in contact with the outer surface of the housing and the outer surface of the second pipe, respectively.

[0016] The length direction of the first pipe may be formed in a first direction, and the first direction is a linear direction.

[0017] The second duct may include a connection portion formed in a second direction perpendicular to the first direction, and first and second connection portions respectively disposed at both ends of the connection portion and formed in the first direction.

[0018] The first coupling portion is disposed inside the first-first pipe, and the second coupling portion may be disposed inside the first-second pipe.

[0019] An inlet port is coupled to one end of the first-first conduit, and an outlet port may be coupled to one end of the first-second conduit.

[0020] The cross-sectional area of ​​the first conduit may be greater than the cross-sectional area of ​​the second conduit.

[0021] In another embodiment, a converter includes: an outer cover including an inner space; an electronic component disposed in the inner space; a first-first pipe disposed on an outer surface of the outer cover; a first-second pipe disposed on the outer surface of the outer cover and spaced apart from and parallel to the first-first pipe; a second pipe having both ends coupled to the first-first pipe and the first-second pipe; and a heat sink disposed between the outer cover and the second pipe.

[0022] Beneficial effects

[0023] According to the present invention, since the refrigerant pipe is formed by combining the first pipe and the second pipe after the first pipe is integrally manufactured with the housing, there are advantages in simplifying the manufacturing process and improving production efficiency.

[0024] In addition, since separate parts such as a sealing member are not required in the refrigerant pipe, the number of parts is reduced, and accordingly, there is an advantage of reducing the manufacturing cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 is a stereogram of a converter according to an embodiment of the present invention.

[0026] Figure 2 is a plan view showing a lower surface of a converter according to an embodiment of the present invention.

[0027] Figure 3 is a plan view showing a side surface of a converter according to an embodiment of the present invention.

[0028] Figure 4 is an exploded perspective view of a converter according to an embodiment of the present invention.

[0029] Figure 5 It is shown Figure 4 A plan view of the lower surface of .

[0030] Figure 6 is a conceptual diagram of a heat dissipation structure of a converter according to an embodiment of the present invention.

[0031] Figure 7 is a modified embodiment of the converter according to the embodiment of the present invention. DETAILED DESCRIPTION

[0032] Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

[0033] However, the technical idea of ​​the present invention is not limited to certain embodiments to be described but may be implemented in various forms, and within the scope of the technical idea of ​​the present invention, one or more of the constituent elements may be selectively combined or replaced between the embodiments.

[0034] In addition, unless explicitly defined and described, the terms (including technical and scientific terms) used in the embodiments of the present invention can be interpreted as meanings that can be generally understood by those skilled in the art, and commonly used terms, such as terms defined in dictionaries, can be interpreted in consideration of the meanings of the relevant technical context.

[0035] In addition, the terms used in this specification are for describing the embodiments and are not intended to limit the present invention.

[0036] In this specification, a singular form may include a plural form unless specifically stated in a phrase, and when described as "at least one (or more than one) of A and B and C", this may include one or more of all combinations that can be combined with A, B and C.

[0037] In addition, when describing the components of the embodiments of the present invention, terms such as first, second, A, B, (a), and (b) may be used. These terms are only intended to distinguish components from each other, and these terms do not limit the nature, order, or sequence of the components.

[0038] Furthermore, when a component is described as being “connected,” “coupled” or “interconnected” to another component, the component is not only directly connected, coupled or interconnected to another component but may also include a situation where it is “connected,” “coupled” or “interconnected” due to another component between the other components.

[0039] In addition, when described as being formed or arranged "on" or "under" each component, "on" or "under" means that this includes not only a situation where the two components are in direct contact, but also a situation where one or more other components are formed or arranged between the two components. In addition, when expressed as "on" or "under" can include meanings based on not only an upward direction but also a downward direction of one component.

[0040] Figure 1 is a perspective view of a converter according to an embodiment of the present invention; Figure 2 is a plan view showing a lower surface of a converter according to an embodiment of the present invention; Figure 3 is a plan view showing a side surface of a converter according to an embodiment of the present invention; Figure 4 is an exploded perspective view of a converter according to an embodiment of the present invention; Figure 5 It is shown Figure 4 a plan view of the lower surface of Figure 6 is a conceptual diagram of a heat dissipation structure of a converter according to an embodiment of the present invention.

[0041] refer to Figures 1 to 6 The appearance of the converter 100 according to the embodiment of the present invention may be formed by an outer cover 110. An inner space 112 for accommodating a plurality of electronic components may be formed inside the outer cover 110.

[0042] A cover (not shown) may be coupled to an upper surface of the outer cover 110. The cover may be coupled to the outer cover 110 to cover an upper surface of the inner space 112. That is, a surface on which the cover is placed may be defined as an upper surface of the outer cover 110. Accordingly, when the cover is separated from the outer cover 110, the inner space 112 may be exposed upward.

[0043] The housing 110 may have a rectangular cross section. The housing 110 may be formed in a substantially rectangular parallelepiped shape. The material of the housing 110 may include aluminum (Al).

[0044] One or more electronic components (not shown) for driving the converter 100 may be placed in the internal space 112. As examples of the electronic components, a printed circuit board (not shown) on which one or more components are mounted, a transformer for voltage regulation, and an inductor for obtaining inductance may be included. The configuration of the electronic components described above is exemplary, and the electronic components according to the present invention include all configurations that are placed inside the converter 100 and operate. The electronic components may generate heat by driving. The heat generated from the electronic components may be heat exchanged with the refrigerant flowing through the refrigerant pipe described below, and radiated.

[0045] The refrigerant pipe may be disposed on the outer surface of the housing 110. A flow path may be formed in the refrigerant pipe to allow the refrigerant to flow. For example, the refrigerant pipe may be disposed on the lower surface of the housing 110.

[0046] The refrigerant pipe may include a first pipe 140 , a second pipe 170 , an inlet port 150 , and an outlet port 160 .

[0047] The first duct 140 may be disposed on the lower surface of the housing 110. The length direction of the first duct 140 may be formed in a first direction. The length direction of the first duct 140 may be disposed to be parallel to a first side surface of the housing 110. The first side surface of the housing 110 may be formed to have a larger cross-sectional area than a second side surface adjacent to the first side surface. The first duct 140 may be formed in a straight line direction. One end of the first duct 140 may form the same plane as the second side surface of the housing 110.

[0048] The plurality of first pipes 140 may be arranged to be spaced apart from each other. The plurality of first pipes 140 may include a first-first pipe 142 and a first-second pipe 144. The first-first pipe 142 and the first-second pipe 144 may be arranged in parallel to be spaced apart from each other. A first flow path 148 may be formed in the first-first pipe 142 to allow refrigerant to flow therein. A second flow path 149 may be formed in the first-second pipe 144 to allow refrigerant to flow therein.

[0049] The first duct 140 may be integrally formed with the housing 110. The first duct 140 and the housing 110 may be formed by a die casting method. Accordingly, an upper surface of the first duct 140 may be coupled to a lower surface of the housing 110.

[0050] The inlet port 150 may be coupled to one end of the first-first pipe 142. The outlet port 160 may be coupled to one end of the first-second pipe 144. Materials of the inlet port 150 and the outlet port 160 may be different from that of the first pipe 140.

[0051] An inlet 152 may be formed at one end of the inlet port 150 to introduce refrigerant. An outlet 162 may be formed at one end of the outlet port 160 so that the refrigerant flowing through the flow path in the refrigerant pipe is discharged. Accordingly, the refrigerant introduced through the inlet 152 may flow through the first pipe 140 and the second pipe 170 and be discharged through the outlet 162.

[0052] A third coupling portion 154 may be formed at the other end of the inlet port 150 to be coupled to one end of the first-first pipe 142. A cross-sectional shape of the third coupling portion 154 may correspond to a cross-sectional shape of a flow path in the first-first pipe 142. Accordingly, the third coupling portion 154 may be accommodated inside the first-first pipe 142. At least a portion of the inlet port 150 may be press-fitted into the first-first pipe 142 through the third coupling portion 154.

[0053] A fourth coupling portion 164 may be formed at the other end of the outlet port 160 to be coupled to one end of the first-second pipe 144. A cross-sectional shape of the fourth coupling portion 164 may correspond to a cross-sectional shape of a flow path inside the first-second pipe 144. Accordingly, the fourth coupling portion 164 may be accommodated inside the first-second pipe 144. At least a portion of the outlet port 160 may be press-fitted into the first-second pipe 144 through the fourth coupling portion 164.

[0054] The second pipe 170 may be coupled to the first pipe 140, thereby connecting the first-first pipe 142 and the first-second pipe 144. Accordingly, the second pipe 170 may be referred to as a connecting pipe. A refrigerant flow path may be formed inside the second pipe 170 to allow the refrigerant to flow therein. Accordingly, the refrigerant may be introduced into the inside of the second pipe 170 through the first-first pipe 142. In addition, the refrigerant may be discharged from the second pipe 170 through the first-second pipe 144.

[0055] The cross-sectional area of ​​the second pipe 170 may be smaller than the cross-sectional area of ​​the first pipe 140 .

[0056] A first coupling portion 171 and a second coupling portion 172 may be formed at both ends of the second pipe 170, respectively, to be coupled to the inner sides of the first-first pipe 142 and the first-second pipe 144. The first coupling portion 171 may be disposed inside the first-first pipe 142. That is, at least a portion of the second pipe 170 may be press-fitted into the first-first pipe 142 through the first coupling portion 171. To this end, the cross-sectional shape of the first coupling portion 171 may be formed to correspond to the cross-sectional shape of the flow path inside the first-first pipe 142. The first coupling portion 171 may be formed so that the length direction corresponds to the first direction.

[0057] The second coupling portion 172 may be disposed in the first-second duct 144. That is, at least a portion of the second duct 170 may be press-fitted into the first-second duct 144 through the second coupling portion 172. To this end, the cross-sectional shape of the second coupling portion 172 may be formed to correspond to the cross-sectional shape of the flow path inside the first-second duct 144. The second coupling portion 172 may be formed so that the length direction corresponds to the first direction. The second coupling portion 172 may be disposed parallel to the first coupling portion 171.

[0058] The second pipe 170 may include a connection portion 175. The connection portion 175 may be formed so that the length direction corresponds to the second direction. The cross-sectional area of ​​the connection portion 175 may be smaller than the cross-sectional area of ​​the first pipe 140. The connection portion 175 may be disposed perpendicular to the first pipe 140. A region connecting the connection portion 175 and the first coupling portion 171 or a region connecting the connection portion 175 and the second coupling portion 172 may be formed to have a curved cross section.

[0059] Meanwhile, a gap G may be formed between the second duct 170 and the lower surface of the housing 110 .

[0060] The refrigerant pipe may be disposed to overlap with the electronic components disposed in the inner space 112 in the up-down direction. Figure 6 As shown in the figure, the first electronic component 101, the second electronic component 102, the third electronic component 104, and the fourth electronic component 104 may be placed to overlap with a portion of the first-first duct 142 and the second duct 170 in the up-down direction. In addition, the fifth electronic component 105, the sixth electronic component 106, and the seventh electronic component 107 may be placed to overlap with a portion of the first-second duct 144 and the second duct 170 in the up-down direction. The printed circuit board 108 may be placed in the central area inside the internal space 112. The first-first duct 142 and the first-second duct 144 may be placed to face each other relative to the printed circuit board 108.

[0061] According to the above configuration, since the refrigerant pipe is formed by combining the first pipe and the second pipe after the first pipe is integrally manufactured with the housing, there are advantages in that the manufacturing process is simplified and production efficiency is improved.

[0062] In addition, since a separate part such as a sealing member is not required inside the refrigerant pipe, the number of parts is reduced, and accordingly, there is an advantage of reducing the manufacturing cost.

[0063] Figure 7 is a modified embodiment of the converter according to the embodiment of the present invention.

[0064] In the modified embodiment, the arrangement structure between the outer cover and the second duct is different from that of the above-described embodiment.

[0065] refer to Figure 7 , a heat dissipation plate 180 may be disposed between the housing 110 and the second pipe 170. The upper surface of the heat dissipation plate 180 may contact the lower surface of the housing 110, and the lower surface of the heat dissipation plate 180 may contact the upper surface of the second pipe 170. Accordingly, the heat generated in the housing 110 may be directly conducted to the second pipe 170 through the heat dissipation plate 180.

[0066] Above, even if all the components constituting the embodiments of the present invention are described as being combined into one or operating in combination, the present invention is not necessarily limited to these embodiments. That is, within the scope of the purpose of the present invention, all constituent elements can be selectively combined and operated with one or more. In addition, the terms "including", "consisting of..." or "having" described above mean that the corresponding components can exist unless otherwise stated, thereby excluding other components. In fact, this should be interpreted as being able to further include other components. All terms, including technical or scientific terms, have the same meanings as those of ordinary skill in the art, unless otherwise defined. Commonly used terms, such as terms defined in dictionaries, should be interpreted as being consistent with the meaning of the context of the relevant technology, and are not interpreted as ideal or overly formalized meanings, unless clearly defined in the present invention.

[0067] The above description is merely illustrative of the technical idea of ​​the present invention, and a person skilled in the art to which the present invention belongs will be able to make various modifications and variations without departing from the basic features of the present invention. Accordingly, the embodiments disclosed in the present invention are not intended to limit the technical idea of ​​the present invention, but to explain the technical idea, and the scope of the technical idea of ​​the present invention is not limited by these embodiments. The scope of protection of the present invention should be interpreted by the following claims, and all technical ideas within the scope equivalent thereto should be understood to be included in the scope of the present invention.

Claims

1. A converter, comprising: an outer housing, the outer housing comprising an inner space; an electronic component, the electronic component being placed in the internal space; a first duct disposed on an outer surface of the housing and comprising a first-first duct and a first-second duct, the first-first duct and the first-second duct being disposed parallel to each other and spaced apart from each other; and a second pipe, the second pipe being connected to the first-first pipe and the first-second pipe at both ends thereof, respectively, wherein the first pipe is formed integrally with the outer cover, wherein the second pipe is separable from the outer cover and the first pipe, wherein the first conduit is connected to an outer surface of the housing, and A gap is formed between the outer surface of the outer cover and the second pipe.

2. The converter according to claim 1, wherein: A heat sink is also included. The heat sink is placed between the outer surface of the housing and the second pipe, and the upper surface and the lower surface of the heat sink are in contact with the outer surface of the housing and the outer surface of the second pipe, respectively.

3. The converter according to claim 1, wherein: The length direction of the first pipe is formed in a first direction, and the first direction is a linear direction.

4. The converter according to claim 3, wherein: The second pipe includes a connection portion and first and second connection portions, the connection portion is formed in a second direction perpendicular to the first direction, and the first and second connection portions are respectively disposed at both ends of the connection portion and formed in the first direction.

5. The converter according to claim 4, in, The first coupling portion is disposed inside the first-first pipe, and Wherein, the second connecting portion is placed inside the first-second pipe.

6. The converter according to claim 1, in, an inlet port is coupled to one end of the first-first conduit, and Wherein, the outlet port is coupled to one end of the first-second conduit.

7. The converter according to claim 1, in, The cross-sectional area of ​​the first pipe is greater than the cross-sectional area of ​​the second pipe.

8. A converter comprising: an outer housing, the outer housing comprising an inner space; an electronic component, the electronic component being placed in the internal space; a first-first conduit, the first-first conduit being disposed on an outer surface of the housing; a first-second conduit, the first-second conduit being disposed on an outer surface of the housing, the first-second conduit being spaced apart from the first-first conduit and being parallel to the first-first conduit; a second pipe having both ends coupled to the first-first pipe and the first-second pipe; and a heat sink disposed between the outer cover and the second pipe, wherein the first-first duct and the first-second duct are formed integrally with the outer cover, wherein the second pipe is separable from the housing, the first-first pipe and the second pipe, wherein the first-first conduit and the first-second conduit are connected to an outer surface of the housing, and A gap is formed between the outer surface of the outer cover and the second pipe.

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