A heat dissipation structure for a servo driver

Abstract

The application discloses a heat dissipation structure for a servo driver, which comprises a shell assembly, a bottom support and a base plate, the base plate divides an internal space formed by the shell assembly and the bottom support into a first isolated space and a second isolated space; a first heat dissipation fan is arranged in the first isolated space; in the second isolated space, a support is in a frame type structure, the front end of the base plate exceeds the front end of a radiator, the top edge of the support is fixedly connected with the base plate, and the bottom edge and the side edge are respectively fixedly connected with the bottom surface and the side surface of the bottom support; a second heat dissipation fan and a fan cover plate are integrally matched and clamped into the frame type structure of the support, wherein the front end surface of the fan cover plate is fixedly connected with the front end plane of the frame of the support, and the rear end surface of the second heat dissipation fan is opposite to the radiator and keeps a gap with the radiator. The application separates the heat dissipation of electrical elements from forced heat dissipation air ducts, and effectively solves the problems of heat accumulation of a circuit board and high processing cost.

Claims

1. A heat dissipation structure for a servo driver, characterized by: The device includes a shell assembly (1), a base (2), and a base plate (3). The shell assembly (1) and the base (2) are spliced ​​together to form a hollow box structure, and the base plate (3) is located inside the box structure. The base plate (3) divides the internal space formed by the shell assembly (1) and the base (2) into a first isolation space and a second isolation space (5) that are independent of each other. The first isolation space (4) is located above the second isolation space (5); a power component (6) is provided in the first isolation space (4), the power component (6) is mounted on the substrate (3), a first heat dissipation fan (7) is provided in the first isolation space (4), the first heat dissipation fan (7) is mounted on the housing assembly (1) and is located at one end of the power component (6); The second isolation space (5) is provided with a radiator (8), a second cooling fan (9), a fan cover plate (12), and a support member (10); the radiator (8) is fixed below the base plate (3); the support member (10) is a frame structure, the support member (10) is perpendicular to the base plate (3), the front end of the base plate (3) extends beyond the front end of the radiator (8), the top edge of the support member (10) is fixedly connected to the front end of the base plate (3), and the bottom edge and side edge of the support member (10) are respectively fixed to the bottom surface and side surface of the base support (2). Connection; the second cooling fan (9) is fixed to the rear end face of the fan cover (12), the second cooling fan (9) and the fan cover (12) are adapted to be inserted into the frame structure of the support member (10), wherein the front end face of the fan cover (12) is fixedly connected to the front end plane of the frame of the support member (10), and the rear end face of the second cooling fan (9) faces the radiator (8) and maintains a gap with the radiator (8); the support member (10), the radiator (8) and the base (2) together form a front-to-back cooling air duct (11).

2. The heat dissipation structure for a servo driver according to claim 1, wherein: The end of the base (2) extends beyond the end face of the support (10), so that the base (2), the radiator (8) and the support (10) form a recessed space at the end, and the second cooling fan (9) is installed in the recessed space.

3. The heat dissipation structure for a servo driver according to claim 1, wherein: The heat sink (8) includes a plurality of parallel and spaced heat dissipation fins (81), the extension direction of which is consistent with the direction of the heat dissipation duct (11); the heat dissipation fins (81) are fixed on the substrate (3).

4. The heat dissipation structure for a servo driver according to claim 1, wherein: The second cooling fan (9) has three units arranged side by side.

5. The heat dissipation structure for a servo driver according to claim 1, wherein: The second cooling fan (9) is an axial flow fan.

6. The heat dissipation structure for a servo driver according to claim 1, wherein: The front end face of the fan cover plate (12) is fixedly connected to the front end plane of the frame of the support member (10) by multiple screws.

7. The heat dissipation structure for a servo driver according to claim 1, wherein: The housing assembly (1) has several hexagonal heat dissipation holes on its side wall.

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