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CN-224205450-U - Light source controller and visual detection device

CN224205450UCN 224205450 UCN224205450 UCN 224205450UCN-224205450-U

Abstract

The utility model relates to the field of heat dissipation structures and discloses a light source controller and a visual detection device, which comprise a heat dissipation plate, a control circuit board, an MOS tube assembly and a first heat dissipation fan, wherein the MOS tube assembly comprises a plurality of MOS tubes which are arranged at intervals, the MOS tubes are arranged on the control circuit board and are attached to the heat dissipation plate, and the first heat dissipation fan is arranged on one side, far away from the heat dissipation plate, of the control circuit board so as to blow air to the control circuit board. The light source controller and the visual detection device can cool the control circuit board better and reduce the possibility of overhigh temperature of the control circuit board.

Inventors

  • ZHANG XIANGWEN

Assignees

  • 广东奥普特科技股份有限公司

Dates

Publication Date
20260505
Application Date
20250422

Claims (10)

  1. 1. The light source controller is characterized by comprising a heat radiation plate (1), a control circuit board (2), a MOS tube assembly and a first heat radiation fan (4); The MOS tube assembly comprises a plurality of MOS tubes (3) which are arranged at intervals, and the MOS tubes (3) are arranged on the control circuit board (2) and are attached to the heat dissipation plate (1); The first cooling fan (4) is arranged on one side, far away from the cooling plate (1), of the control circuit board (2) so as to blow air to the control circuit board (2).
  2. 2. A light source controller according to claim 1, wherein the heat radiation plate (1) includes a support plate portion (11) and a heat radiation fin portion (12) provided on the support plate portion (11), and the heat radiation fin portion (12) extends in a direction away from the first heat radiation fan (4).
  3. 3. The light source controller according to claim 2, wherein a fixing hole is formed in the support plate portion (11), a mounting hole (301) is formed in the MOS tube (3) corresponding to the fixing hole, and a fastener sequentially penetrates through the mounting hole (301) and the fixing hole to fix the MOS tube (3) to the support plate portion (11).
  4. 4. A light source controller according to claim 1, further comprising a housing (5) and a hollowed-out support frame (6), the hollowed-out support frame (6) being mounted in the housing (5) and supporting the heat dissipation plate (1); The hollow support frame (6) is provided with hollow holes (601), heat dissipation grooves are formed between two adjacent heat dissipation fin parts (12), and the hollow holes (601) are communicated with the heat dissipation grooves.
  5. 5. A light source controller according to claim 4, further comprising a second heat sink fan (7); A first gap is formed between the control circuit board (2) and the radiating plate (1), and the second radiating fan (7) is used for blowing cooling air flow into the first gap and one side of the bottom of the hollowed-out supporting frame (6).
  6. 6. A light source controller according to claim 5, characterized in that the housing (5) is provided with a set of air outlet holes (501) facing the second radiator fan (7), the set of air outlet holes (501) penetrating one side of the housing (5).
  7. 7. The light source controller according to claim 1, wherein two rows of the MOS transistors (3) are arranged on one side of the bottom of each control circuit board (2), and the two rows of the MOS transistors (3) are arranged at intervals; and two adjacent MOS tubes (3) in each row are arranged at intervals.
  8. 8. A light source controller according to claim 4, characterized in that the housing (5) is connected with a fan bracket (8), the first radiator fan (4) being mounted on the fan bracket (8).
  9. 9. A light source controller according to claim 1, characterized in that the control wiring board (2) comprises a base plate and electronic components mounted on the top side of the base plate remote from the MOS transistor (3).
  10. 10. A visual inspection apparatus comprising a light source and a light source controller as claimed in any one of claims 1 to 9, the light source controller being electrically connected to the light source.

Description

Light source controller and visual detection device Technical Field The utility model relates to the field of heat dissipation structures, in particular to a light source controller and a visual detection device. Background The light source controller is a device for controlling the brightness of a light source and managing the illumination state of the light source. The light source controller comprises a control circuit board and an MOS tube assembly arranged on the control circuit board, and the MOS tube assembly can emit a large amount of heat in the working process, so that the temperature of the control circuit board is easily overhigh, and the working effect of the control circuit board is affected. In view of the foregoing, there is a need to design a light source controller and a visual inspection device to at least partially solve the above-mentioned problems. The above information is presented as background information only to aid in the understanding of the present disclosure and is not intended or admitted to be prior art relative to the present disclosure. Disclosure of utility model The utility model provides a light source controller and a visual detection device, which can cool a control circuit board better and reduce the possibility of overhigh temperature of the control circuit board. In order to achieve the above object, the present utility model provides the following technical solutions: A light source controller comprises a heat radiation plate, a control circuit board, an MOS tube assembly and a first heat radiation fan; The MOS tube assembly comprises a plurality of MOS tubes which are arranged at intervals, and the MOS tubes are arranged on the control circuit board and are attached to the heat dissipation plate; the first cooling fan is arranged on one side, far away from the cooling plate, of the control circuit board so as to blow air to the control circuit board. Optionally, the heat dissipation plate includes a support plate portion and a heat dissipation fin portion disposed on the support plate portion, and the heat dissipation fin portion extends in a direction away from the first heat dissipation fan. Optionally, a fixing hole is formed in the support plate, a mounting hole is formed in the MOS tube corresponding to the fixing hole, and a fastener sequentially penetrates through the mounting hole and the fixing hole to fix the MOS tube on the support plate. Optionally, the light source controller further comprises a shell and a hollow support frame, wherein the hollow support frame is installed in the shell and supports the heat dissipation plate; The hollow support frame is provided with hollow holes, a heat dissipation groove is formed between two adjacent heat dissipation fin parts, and the hollow holes are communicated with the heat dissipation groove. Optionally, the light source controller further includes a second heat dissipation fan; The control circuit board and form first space between the heating panel, the second radiator fan is used for to first space and the bottom one side of fretwork support frame blows in the cooling air current. Optionally, the casing is provided with an air outlet hole set opposite to the second cooling fan, and the air outlet hole set penetrates through one side of the casing. Optionally, two rows of the MOS transistors are arranged at one side of the bottom of each control circuit board, and the two rows of the MOS transistors are arranged at intervals; and two adjacent MOS tubes in each row are arranged at intervals. Optionally, the housing is connected with a fan bracket, and the first cooling fan is mounted on the fan bracket. Optionally, the control circuit board comprises a substrate and electronic components, and the electronic components are mounted on the top side surface of the substrate far away from the MOS tube. A visual inspection device comprising a light source and a light source controller as claimed in any one of the preceding claims, the light source controller being electrically connected to the light source. Compared with the prior art, the utility model has the following beneficial effects: According to the light source controller and the visual detection device, the first cooling fan blows air to the top surface of the control circuit board, the control circuit board is cooled, and the MOS tube arranged on one side of the bottom of the control circuit board can transfer heat to the heat dissipation plate to dissipate heat, so that the opposite two sides of the control circuit board can play a role in heat dissipation, the heat of the MOS tube can be effectively prevented from being completely transferred to the control circuit board, the cooling effect obtained by the control circuit board is better, and the possibility that the temperature of the control circuit board is too high is reduced. The utility model has other features and advantages which will be apparent from or are set forth in detail in the accompa