Prefabricated expansion compact radiators

Abstract

The present invention relates to an assembly-expandable small radiator capable of expanding by connecting a plurality of radiator modules in the transverse and longitudinal directions. The assembly-expandable small radiator according to the present invention is an assembly-expandable small radiator comprising a plurality of radiator modules, wherein the plurality of radiator modules comprises: a heat transfer fluid intake / discharge port portion installed on the radiator module and having an intake port for sucking in heat transfer fluid and an exhaust port for discharging heat transfer fluid; a stacked connection assembly projection installed on the radiator module for expanding the radiator module in a stacked manner; a stacked connection assembly guide for guiding another radiator module to be connected in a stacked manner to the radiator module; and an area expansion connection assembly projection installed on the radiator module for expanding the radiator module in parallel. It includes an area expansion connection assembly guide for guiding another radiator module to be connected in parallel to the above radiator module; and an area expansion fluid connector into which the intake port and the discharge port of the heat transfer fluid intake / discharge port installed in the above radiator module are inserted, and in the plurality of radiator modules, each radiator module is freely expanded in series, parallel, layered, layered parallel, and layered series by fitting assembly, and heat transfer fluid flows in the radiators expanded in series, parallel, layered, layered parallel, and layered series.

Description

Technology Field

[0001] The present invention relates to an assembly-type expandable small radiator, and more specifically, to an assembly-type expandable small radiator that can be expanded by connecting radiator modules of a plurality of assembly-type expandable small radiators in the transverse and longitudinal directions. Background Technology

[0002] Generally, heating radiators were manufactured using casting to have a fixed shape; however, during actual installation, the size of the radiator could not be arbitrarily adjusted according to the space or heating area of ​​the installation site, and furthermore, due to the heavy load inherent in cast iron, there were many difficulties in transportation and handling.

[0003] Therefore, recently, modular expandable radiators made of extruded profiles have been devised to allow the size of the heating radiator to be arbitrarily adjusted according to the space or heating area of ​​the installation site during installation. However, most of them use methods such as fastening with bolts and nuts with packing to ensure airtightness at interconnected parts, or brazing welding using expensive specialized brazing equipment. This results in problems such as difficulties in assembly, reduced aesthetic appeal, and increased manufacturing costs.

[0004] Conventional radiators use a method in which fluid tubes pass through the holes of layers of heat dissipation fins (see Fig. 1a) or heat dissipation fins are bent in a zigzag shape between thin aluminum and fixed by brazing (see Fig. 1b).

[0005] However, conventional radiators as shown in Fig. 1a have reduced heat dissipation and heat absorption efficiency due to the limitations of the length and surface area of ​​the fluid tubes, and are difficult to manufacture. Furthermore, after assembling the fluid tubes to the heat dissipation fins, processes and equipment are required to expand the fluid tubes, and processes and equipment are required to solder the connections of the fluid tubes.

[0006] In addition, conventional radiators as shown in Fig. 1b require expensive dedicated brazing equipment to connect and assemble each part, and quality control is difficult due to thermal deformation caused by brazing welding.

[0007] Therefore, there is a problem in that conventional radiators used in existing air conditioners, refrigeration outdoor units, and automotive radiators cannot implement heat dissipation and heat absorption functions for small fan motor products with dimensions of 120mm x 120mm or less.

[0008] In addition, even if conventional radiators are manufactured in a miniaturized form, there is a problem in that the surface area of ​​the tube through which the fluid flows becomes small, making it impossible to achieve efficient function.

[0009] Furthermore, conventional radiators require soldering or brazing for the connection of fluid pipes, assembly of frames, and assembly of heat dissipation fins during manufacturing; however, these welding methods have problems such as high equipment costs, low productivity, difficulty in quality stability management, and extreme difficulty in repairing defective products. The problem to be solved

[0010] Therefore, the objective of the present invention is to provide an expandable small radiator that can be assembled in various ways as needed, by solving the above-mentioned problems, wherein the radiator module of the expandable small radiator itself can be used for heat dissipation and heat absorption of small products, and a plurality of expandable small radiator modules can be connected in the transverse and longitudinal directions to expand. means of solving the problem

[0011] The assembly-expandable small radiator according to the present invention is an assembly-expandable small radiator comprising a plurality of radiator modules, wherein the plurality of radiator modules comprises: a heat transfer fluid intake / discharge section installed in the radiator module and having an intake port for sucking in heat transfer fluid and an exhaust port for discharging heat transfer fluid; a stacking connection assembly projection installed in the radiator module for expanding the radiator module in a stacked manner; a stacking connection assembly guide for guiding another radiator module to be connected in a stacked manner to the radiator module; an area expansion connection assembly projection installed in the radiator module for expanding the radiator module in parallel; and an area expansion connection assembly guide for guiding another radiator module to be connected in parallel to the radiator module. The apparatus includes, respectively, an area-expanding fluid connector into which the intake port and the discharge port of the heat transfer fluid intake and discharge port installed in the radiator module are inserted, and each of the plurality of radiator modules can be freely expanded in series, parallel, layered, layered parallel, or layered series by fitting assembly, and the heat transfer fluid flows through the radiators expanded in series, parallel, layered, layered parallel, or layered series. Effects of the invention

[0012] As described above, the assembly-expandable small radiator according to the present invention has the advantage that the radiator module itself can be used for heat dissipation and heat absorption of small products.

[0013] In addition, there is an advantage that multiple assembly-type expandable small radiator modules can be connected in the transverse and longitudinal directions to expand, allowing for assembly in various ways as needed.

[0014] In addition, there is an advantage that soldering or brazing is not required when connecting pipes through which fluid flows.

[0015] In addition, it has the advantage of not requiring specialized production facilities, being easy to produce, and facilitating post-processing and quality stability management.

[0016] In addition, it has the advantage of excellent assemblability, productivity, and quality stability, as well as being easy to utilize in various products. Brief explanation of the drawing

[0017] FIGS. 1a and FIGS. 1b are illustrative diagrams showing examples of conventional radiators. FIGS. 2a and 2b are perspective views of an assembled expandable compact radiator according to the present invention. FIGS. 3a to 3c are exemplary drawings illustrating the expansion of an assembly-expandable small radiator according to the present invention. FIG. 4 is an exploded perspective view of an assembly-expandable small radiator according to the present invention. FIG. 5 is a partial cross-sectional view of an assembled expandable small radiator according to the present invention. FIGS. 6a and 6b are exemplary diagrams illustrating a connection method of an assembly expandable small radiator according to the present invention. FIGS. 7a and 7b are exemplary diagrams showing the heat transfer flow of an assembled expandable small radiator and an expanded assembled expandable small radiator according to the present invention. FIGS. 8a and 8b are exemplary diagrams illustrating a fitting module used for the expansion of an assembly-expandable small radiator according to the present invention. FIGS. 9a to 9d are exemplary drawings illustrating an expanded assembly expandable small radiator according to the present invention. Specific details for implementing the invention

[0018] Hereinafter, the assembly-expandable small radiator according to the present invention will be described in more detail through the detailed description of embodiments with reference to the drawings. In describing the present invention, if it is determined that a detailed description of related known technologies or configurations may unnecessarily obscure the essence of the present invention, such detailed description will be omitted. Furthermore, the terms described below are defined considering their functions in the present invention, and these may vary depending on the intentions or conventions of the client, operator, or user. Therefore, definitions should be based on the content throughout this specification.

[0019] Throughout the drawing, the same reference number refers to the same component.

[0020] FIGS. 2a and 2b are perspective views of an assembly-expandable small radiator according to the present invention; FIGS. 3a to 3c are exemplary diagrams illustrating the expansion of an assembly-expandable small radiator according to the present invention; FIG. 4 is an exploded perspective view of an assembly-expandable small radiator according to the present invention; FIG. 5 is a partial cross-sectional view of an assembly-expandable small radiator according to the present invention; FIGS. 6a and 6b are exemplary diagrams for explaining a connection method of an assembly-expandable small radiator according to the present invention; FIGS. 7a and 7b are exemplary diagrams showing the heat transfer fluid flow of an assembly-expandable small radiator and an expanded assembly-expandable small radiator according to the present invention; FIGS. 8a and 8b are exemplary diagrams illustrating a fitting module used for the expansion of an assembly-expandable small radiator according to the present invention; FIGS. 9a and 9b are exemplary diagrams illustrating an expanded assembly-expandable small radiator according to the present invention.

[0021] Now, with reference to FIGS. 2a and 2b, we will examine an assembled expandable compact radiator according to the present invention.

[0022] As illustrated in FIGS. 2A and 2B, the assembly-expandable small radiator according to the present invention comprises a radiator module (200), a heat transfer fluid intake / discharge section (220) installed in the radiator module (200) and having an intake port (221) for sucking in heat transfer fluid and an exhaust port (223) for discharging heat transfer fluid, a stacked connection assembly projection (230) installed in the radiator module (200) for expanding the radiator module (200) vertically, i.e., in a stacked manner, a stacked connection assembly guide (240) for guiding another radiator module (200) to be connected in a stacked manner to the radiator module (200) when the radiator module (200) is expanded in a stacked manner, and an area expansion connection installed in the radiator module (200) for expanding the radiator module (200) horizontally, i.e., in parallel. It includes an assembly projection (250), an area expansion connection assembly guide (260) for guiding another radiator module (200) to be connected in parallel to the radiator module (200) when the radiator module (200) is expanded in area, and an area expansion fluid connector (270) into which the intake port (221) and the exhaust port (223) of the heat transfer fluid intake / exhaust port (220) installed in the radiator module (200) are inserted when the radiator module (200) is expanded forward and backward, i.e., in series.

[0023] Here, the radiator module (200) and the other radiator module (200) each have a heat transfer fluid intake / discharge port (220), a layered connection assembly protrusion (230), a layered connection assembly guide (240), an area expansion connection assembly protrusion (250), an area expansion connection assembly guide (260), and an area expansion fluid connector (270).

[0024] Now, with reference to FIGS. 3a to 3c, we will examine the expansion of an assembly-expandable small radiator according to the present invention.

[0025] As shown in FIG. 3a, when expanding the radiator module (200) in parallel, the area expansion connection assembly projection (250) installed on the radiator module (200) is connected by a snap assembly with an area expansion connection assembly guide (260) installed on another radiator module (200) to be connected to the radiator module (200), thereby expanding in parallel.

[0026] In addition, as shown in FIG. 3b, when expanding the radiator module (200) in series, the intake port (221) and the exhaust port (223) of the heat transfer fluid intake / exhaust port (220) installed in the radiator module (200) are inserted into the area expansion fluid connector (270) installed in another radiator module (200) to expand in series.

[0027] In addition, as shown in FIG. 3c, when expanding the assembly-type expandable small radiator according to the present invention, the radiator module (200) is expanded in layers, and the layer-connecting assembly projection (230) installed on the radiator module (200) is connected by fitting assembly with the layer-connecting assembly guide (240) installed on another radiator module (200) to expand in layers.

[0028] Accordingly, the assembly-type expandable small radiator according to the present invention is capable of layered expansion, parallel expansion, and series expansion, and additionally, layered parallel expansion and layered series expansion are also possible in combination.

[0029] Now, with reference to FIGS. 4 and FIGS. 5, we will examine an assembly-expandable compact radiator according to the present invention.

[0030] As illustrated in FIGS. 4 and 5, the assembly expandable small radiator according to the present invention comprises a radiator module (200) and a component mounted on the radiator module (200), wherein the radiator module (200) is composed of a plurality of heat absorption and dissipation fins that perform a heat absorption and dissipation function and has a heat absorption and dissipation fin plate (211) formed in a horizontal direction through which a fluid pipe (212) through which a heat transfer liquid flows is inserted into the through hole formed in the heat absorption and dissipation fin plate (211) to allow the heat transfer liquid to flow, a plurality of fluid pipe support cap pads (213) composed of a left fluid pipe support cap pad (213-1) and a right fluid pipe support cap pad (213-2) for supporting both ends of the fluid pipe (212), and a return fluid pipe support box (214) that engages with the left fluid pipe support cap pad (213-1) to support the left fluid pipe support cap pad (213-1). A suction / discharge fluid pipe support box (215) for supporting the right fluid pipe support cap pad (213-1) in engagement with the right fluid pipe support cap pad (213-2); a return fluid pipe support box cover (216) that engages with the return fluid pipe support box (214) and has an area expansion fluid connector (270) formed therein; a suction / discharge fluid pipe support box cover (217) that engages with the suction / discharge fluid pipe support box (215) and has a heat transfer fluid suction / discharge port (220) formed therein; a plurality of support covers (218) located at the upper and lower portions of the heat absorption / discharge fin plate (211) and supporting the heat absorption / discharge fin plate (211) and all parts coupled to the heat absorption / discharge fin plate (211); and a fluid blocking cap (219) for blocking the area expansion fluid connector (270) formed in the return fluid pipe support box cover (216).

[0031] Here, the heat absorption / dissipation fin plate (211) and the fluid pipe (212) are made of a metal material with excellent heat transfer properties, such as aluminum.

[0032] In addition, the left fluid pipe support cap pad (213-1) and the right fluid pipe support cap pad (213-2) are made of an elastic rubber material and support the fluid pipe (212) and prevent leakage of the thermal fluid flowing through the fluid pipe (212).

[0033] In addition, the return fluid pipe support (214) and the return fluid pipe support cover (216) are made of a heat-resistant resin material.

[0034] In addition, the intake / exhaust fluid pipe support (215) and the intake / exhaust fluid pipe support cover (217) are made of a heat-resistant resin material.

[0035] Additionally, a plurality of support covers (218) are made of a metal material unrelated to heat transfer and fix and support the radiator module (200) and the entire component combined with the radiator module (200).

[0036] Meanwhile, the radiator module (200) is applied only when extended in series and further includes a fluid flow connection support box (280) that replaces the intake / exhaust fluid pipe support box cover (217) of the intake / exhaust fluid pipe support box (215).

[0037] Here, the fluid flow connection support box (280), which is applied only when the radiator module (200) is extended in series, is similar to the intake / exhaust fluid pipe support box cover (217), but the lengths of the intake port (221) and the exhaust port (223) of the heat transfer fluid intake / exhaust port (220) to be inserted into the area expansion fluid connection port (270) are relatively shorter.

[0038] Now, with reference to FIGS. 6a and 6b, we will examine the connection method of the assembly expandable small radiator according to the present invention.

[0039] In the connection method of the assembly expandable small radiator according to the present invention as illustrated in FIG. 6a and 6b, the return fluid pipe support (214) and the return fluid pipe support cover (216) are assembled by ultrasonic welding (see FIG. 6a), and the intake / exhaust fluid pipe support (215) and the intake / exhaust fluid pipe support cover (217) are made of a heat-resistant resin material and assembled by ultrasonic welding (see FIG. 6b).

[0040] Here, the suction / discharge fluid pipe support (215) includes a fluid isolation protrusion (215-1), which isolates the heat solution drawn in by a heat solution pump (not shown) to prevent the heat solution sucked in through the suction port (221) from going directly to the discharge port (223).

[0041] Now, with reference to FIGS. 7a and 7b, we will examine the heat transfer flow of the assembled expandable small radiator and the expanded assembled expandable small radiator according to the present invention.

[0042] As shown in FIGS. 7a and 7b, the thermoelectric fluid of the assembled expandable small radiator and the expanded assembled expandable small radiator according to the present invention is sucked in through the intake port (221) by a thermoelectric fluid pump (not shown), then isolated by a fluid isolation protrusion (215-1) and introduced into the fluid pipe (212).

[0043] The heat transfer fluid introduced into the fluid pipe (212) flows along the fluid pipe (212) and is returned by the return fluid pipe support cover (216) equipped with an area-expanding fluid connector (270) that is blocked by the fluid blocking cap (219).

[0044] The returned heat solution is discharged through the outlet (223) of the heat solution intake / exhaust port (220) formed in the intake / exhaust fluid pipe support cover (217).

[0045] Meanwhile, when the radiator module (200) is extended, it includes a fitting module (700) for connecting the radiator module (200) to another radiator module (200).

[0046] This fitting module (700) is described in relation to FIG. 8 described later.

[0047] Now, with reference to FIGS. 8a and 8b, we will examine the fitting module used for the expansion of the assembly expandable small radiator according to the present invention.

[0048] As illustrated in FIGS. 8a and 8b, the fitting module (700) used for the expansion of the assembly expandable small radiator according to the present invention includes a "C" shaped fitting module (710) used when the radiator module (200) expands in layers and a "T" shaped fitting module (720) used for parallel expansion.

[0049] Here, the "U" shaped fitting module (710) is used to connect the outlet (223) of a radiator module (200) to the intake (221) of another radiator module (200) when expanding the layers.

[0050] Additionally, the "T" shaped fitting module (720) is composed of an intake port connecting fitting module (721) for interconnecting intake ports (221) respectively mounted on radiator modules (200) and other radiator modules (200) arranged in the same direction when radiator modules (200) are extended in parallel, and an exhaust port connecting fitting module (722) for interconnecting exhaust ports (223) respectively mounted on radiator modules (200) and other radiator modules (200) arranged in the same direction.

[0051] By connecting the fitting module (700) in this manner, the assembly expandable small radiator according to the present invention is capable of layered expansion, parallel expansion, and layered parallel expansion.

[0052] In addition, as described above, the intake port (221) and the exhaust port (223) of the heat transfer fluid intake / exhaust port (220) installed in the radiator module (200) are inserted into the area expansion fluid connector (270) installed in another radiator module (200) to enable serial expansion, and stacked serial expansion is also possible by connecting the fitting module (700).

[0053] Now, with reference to FIGS. 9a to 9d, we will examine an extended assembly expandable compact radiator according to the present invention.

[0054] As illustrated in FIG. 9a, the assembled expandable small radiator according to the present invention, in which the radiator module (200) is expanded in a stacked serial manner to expand the area by four times, is configured to dissipate and absorb heat with an area four times larger than that of the radiator module (200) itself by connecting two radiator modules (200) in the direction of the fluid pipe (212) and two radiator modules in the lateral direction of the fluid pipe (212). At this time, the heat dissipation fan that can be used on the heat absorption / dissipation fin plate (211) may have specifications such as 80 x 80 mm or 92 x 92 mm.

[0055] In addition, as shown in FIG. 9b, the expanded assembly expandable small radiator according to the present invention, in which the radiator module (200) is expanded in a series and parallel manner to expand the area by eight times, is a parallel expansion of the series-extended radiator module (200) shown in FIG. 9a by two times, thereby enabling heat dissipation and heat absorption with an area eight times larger than that of the radiator module (200) itself.

[0056] In addition, as illustrated in FIG. 9c, the assembled expandable small radiator according to the present invention, in which the radiator module (200) is expanded in a stacked serial manner to expand the area nine times, is configured to dissipate and absorb heat with an area nine times larger than that of the radiator module (200) itself by connecting three radiator modules (200) in the direction of the fluid pipe (212) and three radiator modules in the lateral direction of the fluid pipe (212). At this time, the heat dissipation fan that can be used on the heat absorption / dissipation fin plate (211) may have specifications such as 120 x 120 mm, 130 x 130 mm, 140 x 140 mm, etc.

[0057] In addition, as shown in FIG. 9d, the expanded assembly expandable small radiator according to the present invention, in which the radiator module (200) is expanded in a series and parallel manner to expand the area by 18 times, is a double expansion of the series-extended radiator module (200) shown in FIG. 9c in parallel, thereby enabling heat dissipation and heat absorption with an area 18 times larger than that of the radiator module (200) itself.

[0058] As described above, the assembly-expandable small radiator according to the present invention allows the radiator module itself to be used for heat dissipation and heat absorption in small products. In addition, the radiator modules of a plurality of assembly-expandable small radiators can be connected in the transverse and longitudinal directions to expand, allowing for assembly in various ways as needed. Furthermore, soldering or brazing is not required when connecting pipes through which fluid flows. Moreover, it does not require specialized production facilities, is easy to produce, and facilitates post-processing and quality stability management. Additionally, it offers excellent assembly, productivity, and quality stability, and is easy to utilize in various products.

[0059] As described above, although the present invention has been explained based on preferred embodiments, such embodiments are intended to illustrate rather than limit the invention; therefore, a person skilled in the art to which the present invention pertains will be able to make various changes, modifications, or adjustments to the above embodiments without departing from the technical spirit of the present invention. Accordingly, the scope of protection of the present invention should be interpreted to include all examples of changes, modifications, or adjustments that fall within the gist of the technical spirit of the present invention. Explanation of the symbols

[0060] 200: Radiator module of an assembly expandable small radiator 211: Heat absorption / dissipation fin plate 212: Fluid pipe 213: Fluid pipe support cap pad 214: Return fluid pipe support box 215: Suction / Discharge Fluid Pipe Support 215-1: Fluid Isolation Protrusion 216: Return fluid pipe support cover 217: Intake / discharge fluid pipe support cover 218: Support cover 219: Fluid sealing cap 220: Heat transfer fluid intake / outlet section 221: Intake port 223: Outlet 230: Layered connection assembly protrusion 240: Layered Connection Assembly Guide 250: Area Expansion Connection Assembly Protrusion 260: Area Expansion Connection Assembly Guide 270: Area Expansion Fluid Connector 280: Fluid flow connection support 700, 710, 720: Fitting Module 721: Intake connection fitting module 722: Exhaust connection fitting module

Claims

Claim 1 A compact assembly-expandable radiator comprising a plurality of radiator modules, wherein the plurality of radiator modules comprises: a heat transfer fluid intake / discharge section installed in the radiator module and having an intake port for sucking in heat transfer fluid and an exhaust port for discharging heat transfer fluid; a stacked connection assembly projection installed in the radiator module for expanding the radiator module in a stacked manner; a stacked connection assembly guide for guiding another radiator module to be connected in a stacked manner to the radiator module; an area expansion connection assembly projection installed in the radiator module for expanding the radiator module in parallel; and an area expansion connection assembly guide for guiding another radiator module to be connected in parallel to the radiator module. A compact radiator of an assembly-expandable type, each comprising an area-expanding fluid connector into which the intake port and the discharge port of the heat transfer fluid intake / discharge port installed in the radiator module are inserted, wherein each radiator module in the plurality of radiator modules can be freely expanded in series, parallel, layered, layered parallel, or layered series by fitting assembly, and heat transfer fluid flows through the radiators expanded in series, parallel, layered, layered parallel, or layered series. Claim 2 In claim 1, each radiator module comprises: a heat absorption / dissipation fin plate composed of a plurality of heat absorption / dissipation fins that perform a heat absorption / dissipation function and has a through hole formed horizontally for a fluid pipe through which a heat transfer liquid flows; a fluid pipe inserted into the through hole formed in the heat absorption / dissipation fin plate to allow the heat transfer liquid to flow; a plurality of fluid pipe support cap pads composed of a left fluid pipe support cap pad and a right fluid pipe support cap pad to support both ends of the fluid pipe; a return fluid pipe support box engaged with the left fluid pipe support cap pad to support the left fluid pipe support cap pad; an intake / discharge fluid pipe support box engaged with the right fluid pipe support cap pad to support the right fluid pipe support cap pad; a return fluid pipe support box cover engaged with the return fluid pipe support box and having an area expansion fluid connector formed therein; an intake / discharge fluid pipe support box cover engaged with the intake / discharge fluid pipe support box and having a heat transfer liquid intake / discharge port formed therein; and located above and below the heat absorption / dissipation fin plate, and to the heat absorption / dissipation fin plate and the heat absorption / dissipation fin plate An assembled expandable small radiator comprising: a plurality of support covers supporting all combined parts; and a fluid sealing cap for blocking the area-expanding fluid connection formed in the return fluid pipe support cover. Claim 3 delete Claim 4 In claim 2, each radiator module is an assembly-expandable small radiator that expands in parallel by connecting the area expansion connection assembly protrusion installed on each radiator module to the area expansion connection assembly guide installed on another radiator module by fitting assembly. Claim 5 In claim 2, each radiator module is an assembly-expandable small radiator in which the intake and discharge ports of the heat transfer fluid intake and discharge section installed in each radiator module are inserted into the area-expanding fluid connector installed in another radiator module to expand in series. Claim 6 In claim 2, each radiator module is an assembly-expandable small radiator that expands in layers, wherein when each radiator module is expanded in layers, the layer-connecting assembly protrusion installed on each radiator module is connected by a fitting assembly with a layer-connecting assembly guide installed on another radiator module. Claim 7 In claim 2, each radiator module is an assembly-expandable small radiator that expands in parallel by an overlapping assembly, wherein the overlapping connection assembly protrusion installed on each radiator module is connected to the overlapping connection assembly guide installed on another radiator module by a snap assembly, and the area expansion connection assembly protrusion installed on each radiator module is connected to the area expansion connection assembly guide installed on another radiator module by a snap assembly. Claim 8 In claim 2, each radiator module is connected by a stacked connection assembly protrusion installed on each radiator module to a stacked connection assembly guide installed on another radiator module by a fitting assembly, and the intake and discharge ports of the heat transfer liquid intake and discharge section installed on each radiator module are inserted into the area expansion fluid connector installed on another radiator module to expand in a stacked serial manner, thereby forming a compact assembly-expandable radiator. Claim 9 An assembled expandable small radiator according to claim 2, wherein each radiator module is applied only when each radiator module is expanded in series and further comprises a fluid flow connection support box that replaces the intake / exhaust fluid pipe support box cover of the intake / exhaust fluid pipe support box. Claim 10 In claim 2, each of the radiator modules is, each An assembly-expandable small radiator that further includes a fitting module for connecting the radiator module and another radiator module when the radiator module is expanded.

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