Power supply module of linear actuator and conversion assembly thereof

• US 8,885,352 B2
• Filed: 03/26/2012
• Issued: 11/11/2014
• Est. Priority Date: 12/14/2011
• Status: Active Grant

• Current Assignee: TiMOTION Technology Co., Ltd.
• Original Assignee: TiMOTION Technology Co., Ltd.
• Inventors: Tseng, Kuan-Shu
• Primary Examiner(s): Nguyen, Hoa C
• Assistant Examiner(s): Cunningham, Xanthia C
• Application Number:
  US13/429,604
• Publication Number:
  US 20130155633A1
• Time in Patent Office: 960 Days
• US Class Current: 361/752
• CPC Class Codes: H05K 7/1432 specially adapted for power drive units or power converters
• CPC Class Codes: H05K 7/14322 wherein the control and power circuits of a power converter are arranged within the same casing

Abstract

In a power supply module of a linear actuator and a conversion assembly thereof, the power supply module includes a casing (10), a circuit control unit (11), and a conversion assembly (2). The casing (10) is provided with a dividing plate (102) for dividing the interior of the casing (10) into a first space (103) and a second space (104). The circuit control unit (11) is disposed in the first space (103), and the conversion assembly (2) is disposed in the second space (104). The conversion assembly (2) further includes a circuit board set (20) and a frame (21). The circuit board set (20) is electrically connected with an inductive element(A), a rectifying element(B) and a filtering element(C). The circuit board set (20) is mounted onto the frame (21) to form a modular structure.

Claims

1. A power supply module of a linear actuator, including:

a casing (10) provided a dividing plate (102) for dividing the interior of the casing (10) into a first space (103) and a second space (104);

a circuit control unit (11) disposed in the first space (103); and

a conversion assembly (2) disposed in the second space (104), the conversion assembly (2) further comprising a circuit board set (20) and a frame (21), the circuit board set (20) being electrically connected with an inductive element (A), a rectifying element (B) and a filtering element (C), the circuit board set (20) being mounted onto the frame (21) to form a modular structure;

wherein the circuit board set (20) of the conversion assembly (2) is constituted of a first circuit board (200) and a second circuit board (201), the first circuit board (200) has a first surface and a second surface opposite to the first surface;

the second circuit board (201) has a third surface and fourth surface opposite to the third surface;

the inductive element (A), the rectifying element (B) and the filtering element (C) are provided on the first surface and the third surface;

the second surface is adhered to the fourth surface.

2. The power supply module of a linear actuator according to claim 1, wherein the casing (10) comprises a base (100) and an upper cover (101), the dividing plate (102) is located in the base (100).

3. The power supply module of a linear actuator according to claim 2, wherein both inner side walls of the second space (104) are provided with a flange (105, 106) respectively for abutting against one side of the conversion assembly (2), and another inner side wall of the second space (104) is provided with a protruding flange (107) for abutting against the other side of the conversion assembly (2).

4. The power supply module of a linear actuator according to claim 1, wherein the first circuit board (200) is electrically connected with the second circuit board (201) by an electrically-connecting element (202).

5. The power supply module of a linear actuator according to claim 4, wherein the electrically-connecting element (202) is a cable or electric wire.

6. The power supply module of a linear actuator according to claim 1, wherein the frame (21) comprises a frame base (210) and a frame cover (211), and the circuit board set (20) is sandwiched between the frame base (210) and the frame cover (211).

7. The power supply module of a linear actuator according to claim 6, wherein the frame base (210) has a first side plate (212), one end of the first side plate (212) is provided with a first base plate (213), the first side plate (212) is provided with a second base plate (214) separated from the first base plate (213) by an interval, the first circuit board (202) is accommodated between the first base plate (213) and the second base plate (214), the frame cover (211) has a second side plate (215), one end of the second side plate (215) is provided with a cover plate (216), the cover plate (216) is separated from the second base plate (214) by an interval, and the second circuit board (201) is accommodated between the second base plate (214) and the cover plate (216).

8. The power supply module of a linear actuator according to claim 7, wherein a distal edge of the first base plate (213) is assembled with another end of the second side plate (215), and another end of the first side plate (212) is assembled with a distal edge of the cover plate (216).

9. The power supply module of a linear actuator according to claim 8, wherein a distal edge of the first base plate (213) is provided with a first buckling portion (217), the first buckling portion (217) outwardly buckles the inner edge of another end of the second side plate (215), a distal edge of the cover plate (216) is provided with a second buckling portion (218), and the second buckling portion (218) inwardly buckles the outer edge of another end of the first side plate (212).

10. The power supply module of a linear actuator according to claim 7, wherein the first side plate (212), the second side plate (215), and the cover plate (216) are hollowed.

11. A conversion assembly of a power supply module of a linear actuator, including:

a circuit board set (20) electrically connected with an inductive element(A), a rectifying element(B), and a filtering element(C); and

a frame (21) configured to allow the circuit board set (20) to be mounted thereto to form a modular structure,

wherein the circuit board set (20) is constituted of a first circuit board (200) and a second circuit board (201), the first circuit board (200) has a first surface and a second surface opposite to the first surface;

the second circuit board (201) has a third surface and fourth surface opposite to the third surface;

the inductive element (A), the rectifying element (B) and the filtering element (C) are provided on the first surface and the third surface;

the second surface is adhered to the fourth surface.

12. The conversion assembly of a power supply module of a linear actuator according to claim 11, wherein the first circuit board (200) is electrically connected with the second circuit board (201) by an electrically-connecting element (202).

13. The conversion assembly of a power supply module of a linear actuator according to claim 12, wherein the electrically-connecting element (202) is a cable or electric wire.

14. The conversion assembly of a power supply module of a linear actuator according to claim 11, wherein the frame (21) comprises a frame base (210) and a frame cover (211), and the circuit board set (20) is sandwiched between the frame base (210) and the frame cover (211).

15. The conversion assembly of a power supply module of a linear actuator according to claim 14, wherein the frame base (210) has a first side plate (212), one end of the first side plate (212) is provided with a first base plate (213), the first side plate (212) is provided with a second base plate (214) separated from the first base plate (213) by an interval, the first circuit board (202) is accommodated between the first base plate (213) and the second base plate (214), the frame cover (211) has a second side plate (215), one end of the second side plate (215) is provided with a cover plate (216), the cover plate (216) is separated from the second base plate (214) by an interval, and the second circuit board (201) is accommodated between the second base plate (214) and the cover plate (216).

16. The conversion assembly of a power supply module of a linear actuator according to claim 15, wherein a distal edge of the first base plate (213) is assembled with another end of the second side plate (215), and another end of the first side plate (212) is assembled with a distal edge of the cover plate (216).

17. The conversion assembly of a power supply module of a linear actuator according to claim 16, wherein a distal edge of the first base plate (213) is provided with a first buckling portion (217), the first buckling portion (217) outwardly buckles the inner edge of another end of the second side plate (215), a distal edge of the cover plate (216) is provided with a second buckling portion (218), and the second buckling portion (218) inwardly buckles the outer edge of another end of the first side plate (212).

18. The conversion assembly of a power supply module of a linear actuator according to claim 15, wherein the first side plate (212), the second side plate (215), and the cover plate (216) are hollowed.