CN219164429U

CN219164429U - High-power laser constant-current power supply module structure

Info

Publication number: CN219164429U
Application number: CN202223442808.4U
Authority: CN
Inventors: 俞玉春
Original assignee: Suzhou Etron Technologies Co ltd
Current assignee: Suzhou Etron Technologies Co ltd
Priority date: 2022-12-21
Filing date: 2022-12-21
Publication date: 2023-06-09
Anticipated expiration: 2032-12-21

Abstract

The utility model discloses a high-power laser constant-current power supply module structure, which comprises an aluminum-based power PCB, a control board and a shell; the aluminum-based power PCB is integrated with a power MOS tube, a power inductor, an EMC common mode inductor and a control signal pin header; the control board is integrated with a control logic device module, an auxiliary power module, an external communication module and a bus socket; the control board is fixed with the aluminum-based power PCB through a plurality of fixing studs, and is spliced with corresponding control signal pins on the aluminum-based power PCB through a bus socket; the aluminum-based power PCB and the control board are fixed in the shell after being connected. According to the high-power laser constant-current power supply module structure, the aluminum-based power PCB is adopted, most of heating devices are arranged on the aluminum-based power PCB, and meanwhile, the aluminum-based power PCB is fixed on a larger radiator, so that heat dissipation of the heating devices can be achieved to the greatest extent, the product temperature is reduced, and the reliability is improved.

Description

High-power laser constant-current power supply module structure

Technical Field

The utility model relates to a laser constant-current power supply, in particular to a high-power laser constant-current power supply module structure.

Background

The laser constant current power supply module is a power supply module for providing controllable constant current for a laser, and has the characteristics of high power, small volume, high heat dissipation requirement and the like. As is well known, all power products face a heat dissipation problem, and in order to solve the heat dissipation problem, such products usually use an internal heat-conducting glue filling method. The method has the advantages of low production speed, complex process and difficult maintenance and repair of the product in the later period, thereby causing waste.

Disclosure of Invention

The utility model aims at: the high-power laser constant-current power supply module structure is simpler in process, higher in manufacturing yield and reliability and convenient to produce and maintain.

The technical scheme of the utility model is as follows:

a high-power laser constant-current power supply module structure comprises an aluminum-based power PCB, a control board and a shell;

the aluminum-based power PCB is integrated with a power MOS tube, a power inductor, an EMC common mode inductor, a filter capacitor and a control signal pin header;

the control board is integrated with a control logic device module, an auxiliary power module, an external communication module and a bus socket;

the control board is fixed with the aluminum-based power PCB through a plurality of fixing studs, and is spliced with corresponding control signal pins on the aluminum-based power PCB through a bus socket;

the aluminum-based power PCB and the control board are fixed in the shell after being connected.

Preferably, the aluminum-based power PCB is further integrated with an input terminal and an output terminal, and the input terminal and the output terminal penetrate through the shell and are used for connecting external wiring.

Preferably, the thickness of the aluminum-based power PCB is 2 mm-5 mm.

Preferably, the fixing stud can fix the control board and conduct current.

Preferably, the inner side of the shell is provided with a plurality of raised screw hole columns, a plurality of concave holes are reserved at corresponding positions on the aluminum-based power PCB, the shell and the aluminum-based power PCB are assembled together through screws, and the screws sink into the concave holes during assembly.

Preferably, the control signal pin header is welded on the aluminum-based power PCB, and the fixing stud and the aluminum-based power PCB are connected together through welding or through riveting.

Preferably, the outer surface of the aluminum-based power PCB is not lower than the outer edge of the shell, and is tightly fixed on a radiator.

The utility model has the advantages that:

1. according to the high-power laser constant-current power supply module structure, as the aluminum-based power PCB is adopted, most of heating devices are arranged on the aluminum-based power PCB, and meanwhile, the aluminum-based power PCB is fixed on a larger radiator, so that heat dissipation of the heating devices can be achieved to the greatest extent, the product temperature is reduced, and the reliability is improved;

2. according to the utility model, as the control board adopts the plug-in type pin header and screw fixing mode, the production process is simplified, and the production efficiency is improved;

3. the utility model not only facilitates the maintenance of the product in the later period, but also improves the utilization rate of the product and reduces the waste because of not adopting the glue filling process.

Drawings

The utility model is further described below with reference to the accompanying drawings and examples:

FIG. 1 is a schematic diagram of the structure of an integrated device on an aluminum-based power PCB;

FIG. 2 is a schematic diagram of the structure of an integrated device on a control board;

fig. 3 is a schematic structural view of the housing.

Detailed Description

As shown in fig. 1-3, the utility model provides a high-power laser constant-current power supply module structure, which comprises an aluminum-based power PCB1, a control board 2 and a housing 3.

As shown in fig. 1, the aluminum-based power PCB1 is integrated with devices with large heat productivity, such as a power MOS transistor 11, a power inductor 12, a filter capacitor 13, an EMC common-mode inductor 16, a control signal pin 14, and an input and output terminal 15; the thickness of the aluminum-based power PCB1 is 2 mm-5 mm, and the strength is relatively high.

As shown in fig. 2, the control board 2 is integrated with a control logic device module 21, an auxiliary power module 22, an external communication module 23 and a bus socket 24; the control board 2 is fixed with the aluminum-based power PCB1 through a plurality of fixing studs 4 and is spliced with corresponding control signal pins 14 on the aluminum-based power PCB1 through a bus socket 24; the fixing stud 4 can fix the control board 2 and conduct current, is connected with the control signal pin 14 by combining the pin row seat 24, and can realize the control function of signals, thereby realizing the electrical function of the whole aluminum-based power PCB 1.

The aluminum-based power PCB1 and the control board 2 are assembled in the shell 3 after being connected, so that the shell and the substrate can be reliably connected together, and the flatness of the substrate can be ensured. The input and output terminals 15 on the aluminum-based power PCB pass through the housing for connection to external wiring. The inner side of the shell 3 is provided with a plurality of raised screw hole columns 31, a plurality of concave holes 17 are reserved at corresponding positions on the aluminum-based power PCB, the shell 3 and the aluminum-based power PCB1 are assembled together through the concave holes 17 and the screw hole columns 31 by adopting screws, and the screws sink into the concave holes 17 from the back of the aluminum-based power PCB during assembly.

The control signal pin header 14 is welded on the aluminum-based power PCB1, and the fixing stud 4 and the aluminum-based power PCB1 are connected together through welding or through riveting.

The outer surface of the aluminum-based power PCB1 is not lower than the outer edge of the shell, and is tightly fixed on a radiator with a large area.

The assembly structure can ensure the heat dissipation of power devices such as a power MOS tube, a power inductor and the like under the high power condition, ensure the device to run at a safe temperature and the product to run stably and reliably for a long time, and compared with the traditional mode of locking a radiator on the power device by using screws or pouring glue in a shell for heat dissipation, the process is simpler, and the manufacturing yield and reliability are higher.

The above embodiments are only for illustrating the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the content of the present utility model and implement the same according to the content of the present utility model, and are not intended to limit the scope of the present utility model. All modifications made according to the spirit of the main technical proposal of the utility model should be covered in the protection scope of the utility model.

Claims

1. The high-power laser constant-current power supply module structure is characterized by comprising an aluminum-based power PCB, a control board and a shell;

2. The high power laser constant current power supply module structure according to claim 1, wherein the aluminum-based power PCB is further integrated with input and output terminals penetrating through the housing for connection to external wiring.

3. The high power laser constant current power supply module structure according to claim 1, wherein the thickness of the aluminum-based power PCB is 2mm to 5mm.

4. The high power laser constant current power supply module structure according to claim 1, wherein the fixing stud can fix a control board and conduct current.

5. The high-power laser constant-current power supply module structure according to claim 2, wherein a plurality of raised screw hole columns are arranged on the inner side of the shell, a plurality of concave holes are reserved at corresponding positions on the aluminum-based power PCB, the shell and the aluminum-based power PCB are assembled together through the concave holes and the screw hole columns by using screws, and the screws sink into the concave holes during assembly.

6. The high power laser constant current power supply module structure according to claim 1, wherein the control signal pin header is welded on the aluminum-based power PCB, and the fixing stud and the aluminum-based power PCB are connected together by welding or by riveting.

7. The high power laser constant current power supply module structure according to claim 5, wherein the outer surface of the aluminum-based power PCB is not lower than the outer edge of the housing and is tightly fixed on a heat sink.