CN-122002739-A - Power supply device and electronic apparatus

CN122002739ACN 122002739 ACN122002739 ACN 122002739ACN-122002739-A

Abstract

The application discloses a power supply device and electronic equipment, wherein the power supply device comprises a control circuit board, a power circuit board and a switching knife assembly, wherein the control circuit board comprises a first circuit substrate and a first circuit device group, the first circuit device group is connected to the first circuit substrate, the power circuit board comprises a second circuit substrate, a second circuit device group and the switching knife assembly, the second circuit substrate and the first circuit substrate are arranged at intervals, the switching knife assembly is connected between the first circuit substrate and the second circuit substrate, and the second circuit device group is connected to one side surface of the second circuit substrate facing the control circuit board. Through the scheme, the power supply device adopts the way of inserting the upper circuit substrate and the lower circuit substrate to carry out layout of each circuit unit, so that the product is small in size, more convenient to layout and convenient to maintain, process and assemble.

Inventors

HE ZHIJUN
YAN JIAOSHENG
PENG BIAO
HU XIAOYANG
WEN JIAOPU
LIU HAIJIAN

Assignees

浙江麦格米特电气技术有限公司

Dates

Publication Date: 20260508
Application Date: 20260210

Claims (12)

1. A power supply device, characterized in that the power supply device comprises: The control circuit board comprises a first circuit substrate and a first circuit device group, wherein the first circuit device group is connected to the first circuit substrate; The power circuit board comprises a second circuit substrate, a second circuit device group and a switching slotting tool assembly, wherein the second circuit substrate and the first circuit substrate are arranged at intervals, the switching slotting tool assembly is connected between the first circuit substrate and the second circuit substrate, and the second circuit device group is connected to one side surface of the second circuit substrate facing the control circuit board; The first circuit device group is electrically connected with the second circuit device group and the power switch device group through the first circuit substrate, the switching slotting tool component and the second circuit substrate.
2. The power supply device according to claim 1, wherein, The power supply device further comprises a shell, a containing cavity with one end open is formed in the shell, the second circuit substrate is arranged at the bottom of the containing cavity, the first circuit substrate is connected to the inner side wall of the opening of the containing cavity, and the bottom of the containing cavity is coated with a radiating agent.
3. The power supply device according to claim 2, wherein, The power circuit board further comprises a power switch device group, and the power switch device group is arranged on the other side surface, away from the control circuit board, of the second circuit substrate.
4. A power supply device according to claim 3, wherein, And the bottom of the accommodating cavity is also provided with a heat dissipation channel piece, and the heat dissipation channel piece is abutted against the power switch device group.
5. A power supply device according to claim 3, wherein, The first circuit device group comprises an alternating current input filter, a high-voltage output filter and a low-voltage control sampling circuit device group, wherein the alternating current input filter, the high-voltage output filter and the low-voltage control sampling circuit device group are arranged on one side surface of the first circuit substrate facing the power circuit board at intervals, and the low-voltage control sampling circuit device group is arranged between the alternating current input filter and the high-voltage output filter.
6. The power supply device according to claim 5, wherein, The second circuit device group comprises a low-voltage output management device group, a direct-current conversion isolation transformer, a low-voltage output filter, a double-active bridge driving chip and a double-active bridge transformer, wherein the low-voltage output management device group, the direct-current conversion isolation transformer, the low-voltage output filter and the double-active bridge driving chip are arranged on one side surface of the second circuit substrate facing the control circuit board at intervals, the double-active bridge transformer is connected to one side edge of the second circuit substrate and is close to the low-voltage control sampling circuit device group, the double-active bridge driving chip is arranged at one end of the second circuit substrate close to the double-active bridge transformer, the low-voltage output management device group, the direct-current conversion isolation transformer and the low-voltage output filter are arranged at the other end of the second circuit substrate far away from the double-active bridge transformer, and the low-voltage output management device group is arranged between the direct-current conversion isolation transformer and the low-voltage output filter.
7. The power supply device according to claim 6, wherein, The power switch device group comprises a power factor power frequency rectifying tube, a double active bridge primary side power tube, a double active bridge secondary side power tube, a direct current conversion primary side power tube and a direct current conversion secondary side power tube, wherein the power factor power frequency rectifying tube, the double active bridge primary side power tube, the double active bridge secondary side power tube, the direct current conversion primary side power tube and the direct current conversion secondary side power tube are arranged on the other side surface of the second circuit substrate, which is far away from the control circuit board, at intervals, the power factor power frequency rectifying tube and the double active bridge primary side power tube are arranged at one end of the second circuit substrate, which is close to the double active bridge driving chip, the direct current conversion secondary side power tube is arranged at the other end of the second circuit substrate, which is close to the low voltage output management device group, and the double active bridge secondary side power tube and the direct current conversion primary side power tube are arranged between the power factor rectifying tube and the direct current conversion secondary side power tube.
8. The power supply device according to claim 6, wherein, The switching slotting tool assembly comprises an alternating-current side power switching slotting tool assembly and a high-voltage output side power switching slotting tool, wherein the alternating-current side power switching slotting tool assembly and the high-voltage output side power switching slotting tool are arranged between the first circuit substrate and the second circuit substrate at intervals and are arranged on two opposite sides of the double-active-bridge driving chip.
9. The power supply device according to claim 6, wherein, The first circuit substrate is connected with the inner side wall of the accommodating cavity to form a heat dissipation gap, and the double-active-bridge transformer is arranged in the accommodating cavity corresponding to the heat dissipation gap.
10. The power supply device according to any one of claims 2 to 9, wherein, The power supply device further comprises an alternating current input connector, a direct current conversion positive electrode output connector and a signal connector, wherein the alternating current input connector and the direct current conversion positive electrode output connector are arranged on the outer side face of the shell and are electrically connected with the second circuit device group, and the signal connector is connected to one side edge of the first circuit substrate and is electrically connected with the first circuit device group.
11. The power supply device according to any one of claims 1 to 9, wherein, The power supply device further comprises a support connecting column, and the support connecting column is connected between the first circuit substrate and the second circuit substrate.
12. An electronic device, characterized in that the electronic device comprises a power supply device and a load device which are connected; wherein the power supply device is a power supply device according to any one of claims 1-11.

Description

Power supply device and electronic apparatus Technical Field The present application relates to the field of power technologies, and in particular, to a power supply device and an electronic device. Background Nowadays, as power supply products are becoming more and more abundant, the circuit configuration of each functional unit in the power supply device is also becoming more and more complex, so as to aim at realizing more complex and more demanding power supply scenarios. However, in the related art, the layout of each functional circuit element in the power supply device is usually plugged on the same circuit substrate, so as to be used for realizing the electrical connection of different circuit elements, and for the larger-sized element, a separate smaller-sized circuit substrate is adopted to realize the electrical connection with other circuit parts, so that the processing technology is complex, the manufacturing cost is high, and the production and the maintenance are inconvenient. Disclosure of Invention The application mainly solves the technical problem of providing a power supply device and electronic equipment so as to solve the problems of complex processing technology, high manufacturing cost and inconvenient production and maintenance of the power supply device in the prior art. In order to solve the technical problems, the technical scheme adopted by the application is to provide a power supply device, which comprises a control circuit board, a power circuit board and a switching cutter assembly, wherein the control circuit board comprises a first circuit substrate and a first circuit device group, the first circuit device group is connected to the first circuit substrate, the power circuit board comprises a second circuit substrate, the second circuit device group and the switching cutter assembly, the second circuit substrate is arranged at intervals with the first circuit substrate, the switching cutter assembly is connected between the first circuit substrate and the second circuit substrate, the second circuit device group is connected to one side of the second circuit substrate facing the control circuit board, and the first circuit device group is electrically connected with the second circuit device group and the power switch device group through the first circuit substrate, the switching cutter assembly and the second circuit substrate. The power supply device further comprises a shell, a containing cavity with one end open is formed in the shell, the second circuit substrate is arranged at the bottom of the containing cavity, the first circuit substrate is connected to the inner side wall of the opening of the containing cavity, and the bottom of the containing cavity is coated with a radiating agent. The power circuit board further comprises a power switch device group, and the power switch device group is arranged on the other side face, away from the control circuit board, of the second circuit substrate. And the bottom of the accommodating cavity is also provided with a heat dissipation channel piece, and the heat dissipation channel piece is abutted against the power switch device group. The first circuit device group comprises an alternating current input filter, a high-voltage output filter and a low-voltage control sampling circuit device group, wherein the alternating current input filter, the high-voltage output filter and the low-voltage control sampling circuit device group are arranged on one side surface of the first circuit substrate facing the power circuit board at intervals, and the low-voltage control sampling circuit device group is arranged between the alternating current input filter and the high-voltage output filter. The second circuit device group comprises a low-voltage output management device group, a direct-current conversion isolation transformer, a low-voltage output filter, a double-active bridge driving chip and a double-active bridge transformer, wherein the low-voltage output management device group, the direct-current conversion isolation transformer, the low-voltage output filter and the double-active bridge driving chip are arranged on one side face of the second circuit substrate facing the control circuit board at intervals, the double-active bridge transformer is connected to one side edge of the second circuit substrate and is arranged close to the low-voltage control sampling circuit device group, the double-active bridge driving chip is arranged at one end, close to the double-active bridge transformer, of the second circuit substrate, the low-voltage output management device group, the direct-current conversion isolation transformer and the low-voltage output filter are arranged at the other end, far away from the double-active bridge transformer, of the second circuit substrate, and the low-voltage output management device group is arranged between the direct-current conversion isolation transformer and the low-voltage output filter.