CN202586741U - Power supply device - Google Patents

Abstract

A power supply device comprises an outgoing line panel, at least one power supply module and a metal partition plate, wherein the outgoing line panel comprises a power input interval and a power output interval, the power supply module comprises a power input unit corresponding to the power input interval and a power output unit corresponding to the power output interval, and the metal partition plate is arranged between the power input interval and the power output interval to isolate the power input unit and the power output unit so as to shield the influence of electromagnetic interference generated by the power input unit on the output of direct current power by the power output unit. The utility model discloses low electromagnetic interference's power supply device can make this DC power supply not receive electromagnetic interference and output to the load of rear end that can be stable.

Description

power supply unit

technical field

The utility model relates to a power supply device, in particular to a power supply device which shields electromagnetic interference (EMI) and stably outputs direct current power.

Background technique

Due to the continuous evolution of modern technology, various hardware structures such as hard disks, optical drives, and recorders have become the basic external devices necessary for computers. With the rise of cloud technology, server manufacturers must drive higher-capacity data storage devices. It is necessary to build a power supply including multiple power supply modules to meet the power demand of the data storage device. But no matter the power supply used by ordinary computer mainframe or server industry, the main function of the power supply is to convert an AC power into a DC power that can drive electronic equipment, and the known power supply avoids AC power. Please refer to FIG. 1 for the problem of electromagnetic interference caused by the high voltage. Generally, the AC input terminal 100 and the DC output terminal 200 are arranged on different sides of the power supply. However, sometimes in order to meet the special needs of the industry, there are also power supplies with the AC input and DC input on the same side, as shown in US Patent No. 7,397,670, which discloses a power supply with an AC/DC power structure. A power supply, the power supply is set in a casing, and includes an AC power connection terminal and a DC power connection terminal, and the casing is respectively assembled with a An AC power connection port and a DC power connection port, and the AC power connection port and the DC power connection port are respectively set on a power connection board, so that the power supply can reach the input on the same side through the power connection board The purpose of alternating current and output direct current.

However, in addition to the function of converting AC power to DC power, the power supply usually also has a voltage regulation module for voltage regulation. However, because the AC power has a high voltage and the voltage regulation module contains various electronic components , accommodating multiple electronic components that transmit high voltage in a small space will cause serious electromagnetic interference (Electromagnetic interference) problems. Therefore, as shown in the previous case, the AC input terminal receiving the AC power and the If the DC output terminal of the DC power is set on the same side of the power supply, the DC power output by the DC output terminal will be affected by electromagnetic interference and cannot drive the load stably, and the long-term unstable DC power will be greatly reduced The service life of the load is shortened, resulting in an increase in the equipment cost of the industry.

Utility model content

The main purpose of the utility model is to solve the defect that the electromagnetic interference generated by the high-voltage AC power source causes the DC power output by the power supply device to be unstable.

To achieve the above purpose, the utility model provides a power supply device, which includes a casing, at least one power supply module and a metal partition. The casing includes an accommodating space and an outlet panel connected with the accommodating space, and the outlet panel includes a power input section and a power output section. The power supply module is arranged in the accommodation space of the casing, and the power supply module includes a power input unit opposite to the power input section to receive an external AC power source, a power input unit electrically connected to the power input unit and An external AC power source is converted into a DC power conversion unit, and a power output unit is opposite to the power output section and electrically connected to the power conversion unit to receive the DC power output. The metal partition is arranged between the power input section and the power output section and is connected to the outlet panel of the casing, the metal partition extends toward the accommodation space and at least isolates the power input unit from the power output unit , so as to shield the influence of the electromagnetic interference generated by the power input unit on the DC power output by the power output unit.

In one embodiment, the power input unit includes at least one input power line for receiving the external AC power source, and the outlet panel includes at least one wire inlet for the input power line to pass through relative to the power input section. The power output unit includes at least one output power line for outputting the DC power, and the outlet panel includes at least one outlet for the first output power line to pass through relative to the power output section.

In one embodiment, the power input unit is arranged on the outlet panel, and the power input unit includes a first circuit board electrically connected to the input power line and a first circuit board arranged on the first circuit board and electrically connected to the The input adapter plug of the first circuit board, and the power conversion unit includes an AC connection port corresponding to the input adapter plug.

In one embodiment, the power output unit is arranged on the outlet panel, and the power output unit includes a second circuit board electrically connected to the output power line and a second circuit board arranged on the second circuit board and electrically connected to the The output adapter plug of the second circuit board, and the power conversion unit includes a direct current connection port corresponding to the output adapter plug.

In one embodiment, the power supply module further includes a voltage adjustment module fixed on the metal partition, the voltage adjustment module is electrically connected to the power output unit to adjust the voltage of the DC power, and preferably, the voltage adjustment The module is arranged on one side of the metal partition adjacent to the power output unit.

In one embodiment, a plurality of power supply modules are disposed in the accommodating space.

In one embodiment, the housing includes a metal positioning frame for fixing the metal partition, and the metal partition includes a plurality of cooling fins.

The power supply device of the present utility model is characterized in that:

1. The outlet panel includes a power input section and a power output section, and the power supply module includes a power input unit corresponding to the power input section and a power output unit corresponding to the power output section. Therefore, the power supply The supply module can input and output power on the same side.

2. The power supply device also includes a metal partition, which is arranged between the power input section and the power output section to isolate the power input unit from the power output unit, so as to shield the power input unit from generating The influence of electromagnetic interference on the output DC power of the power output unit, therefore, the DC power can be stably output by the power output unit.

Description of drawings

Figure 1 is a schematic diagram of the appearance of a known power supply

Figure 2 is a schematic diagram of the overall appearance of the power supply device of the present invention

Fig. 3 is an exploded schematic view of the structure of the power supply device of the present invention (1)

Fig. 4 is an exploded schematic view of the structure of the power supply device of the present invention (2)

Fig. 5 is a schematic top view of the assembly structure of the power supply device of the present invention

Fig. 6 is a schematic diagram of the outlet structure of the power supply device of the present invention

【Description of graphic symbols】

1........... Housing

11..........Accommodating space

12...........Outlet panel

121...........Power input interval

122...........Power output interval

123...........Entrance

124...........Outlet

13...........Metal positioning frame

2...........Power supply module

21...........Power input unit

211..........Input power line

212...........First circuit board

213..........Input adapter plug

22...........Power conversion unit

221...........AC connection port

222...........DC connection port

23...........Power output unit

231...........Output power line

232..........Second circuit board

233...........Output adapter plug

3...........Metal partition

31...........Heat sink fins

4...........Voltage regulation module

Detailed ways

Relevant detailed description and technical content of the utility model, now just explain as follows with respect to coordinating drawing:

Please refer to Fig. 2, Fig. 3 and Fig. 4, which are schematic diagrams of the overall appearance and structural decomposition diagrams (1) and (2) of a power supply device according to an embodiment of the present invention, as shown in the figures: the utility model discloses a A power supply device with low electromagnetic interference mainly includes a casing 1 and at least one power supply module 2 . The casing 1 includes an accommodating space 11 for a plurality of power supply modules 2 , and an outlet panel 12 communicating with the accommodating space 11 . The outlet panel 12 includes a power input section 121 and a power output section 122, and the power supply module 2 includes a power input unit 21 corresponding to the power input section 121, and a power converter electrically connected to the power input unit 21 unit 22 , and a power output unit 23 electrically connected to the power conversion unit 22 and opposite to the power output section 122 . The power input unit 21 receives an external AC power source, the power conversion unit 22 converts the external AC power source into a DC power, and the power output unit 23 receives the DC power and outputs the DC power.

The power supply device of the present utility model includes a metal partition 3, the metal partition 3 is arranged between the power input section 121 and the power output section 122, and the metal partition 3 is connected to the The outlet panel 12 of the casing 1 is used as a ground terminal. The metal partition 3 extends toward the accommodating space 11, and at least isolates the power input unit 21 and the power output unit 23, so as to shield the power input unit 21 from electromagnetic interference (Electromagnetic interference) generated by AC high voltage. The power output unit 23 outputs the effect of the DC power. In this embodiment, the power supply module 2 further includes a voltage regulator module 4 (Voltage regulator module), the voltage regulator module 4 is fixed on the metal partition 3 and electrically connected to the power output unit 23 to regulate the DC power The voltage, preferably, the voltage regulation module 4 is arranged on the side of the metal partition 3 adjacent to the power output unit 23, moreover, the metal partition 3 is also provided with a plurality of cooling fins 31 to efficiently The waste heat generated by the voltage regulating module 4 is discharged, but this embodiment is not intended to limit the utility model.

Please refer to Fig. 2, Fig. 4, Fig. 5 and Fig. 6 together, which are the overall appearance schematic diagram, the structural decomposition diagram (2), the top view schematic diagram of the assembly structure and the schematic diagram of the outlet structure of the power supply device according to an embodiment of the present invention. In this embodiment, the power input unit 21 includes at least one input power line 211 for receiving the external AC power source, and the power output unit 23 includes at least one output power line 231 for outputting the DC power, and the outlet panel 12 Relative to the power input section 121, there is at least one inlet 123 for the input power line 211 to pass through. Similarly, the outlet panel 12 includes at least one opening for the output power line 231 to pass through the power output section 122. Outlet 124. The power input unit 21 is arranged on the outlet panel 12, and the power input unit 21 includes a first circuit board 212 electrically connected to the input power line 211, and a first circuit board 212 arranged on the first circuit board 212 and electrically connected The input adapter plug 213 of the first circuit board 212 , the power conversion unit 22 includes a pair of AC power connection ports 221 of the input adapter plug 213 . Similarly, the power output unit 23 is arranged on the outlet panel 12, and the power output unit 23 includes a second circuit board 232 electrically connected to the output power line 231, and a second circuit board 232 arranged on the second circuit board 232 and The output adapter plug 233 of the second circuit board 232 is electrically connected, and the power conversion unit 22 includes a pair of DC connection ports 222 of the output adapter plug 233 . In this embodiment, the outlet panel 12 is a detachable structure from the housing 1 , which has the advantages of easy assembly and high maneuverability, but this embodiment is not intended to limit the present invention. In another embodiment, the outlet panel 12 is integrally extended from the housing 1, and the power conversion unit 22 is electrically connected to the power input unit 21 and the power output unit 23 respectively. Therefore, the input adapter plug 213, output The adapter plug 233 , the AC connection port 221 and the DC connection port 222 can be omitted to reduce the manufacturing cost of the power supply device of the present invention.

In summary, the power supply device with low electromagnetic interference of the present invention is provided with a metal partition between the power input section and the power output section of the outlet panel, and the metal partition at least isolates the power input unit and the power output unit, In order to shield the influence of the electromagnetic interference (EMI) generated by the power input unit on the output of the DC power from the power output unit due to the AC high voltage, the DC power can be stably output to the back-end load without being subjected to electromagnetic interference.

The utility model has been described in detail above, but what is described above is only a preferred embodiment of the utility model, and should not limit the implementation scope of the utility model. That is, all equivalent changes and modifications made according to the application scope of the present utility model should still fall within the scope covered by the claims of the present utility model.

Claims (14)

1. a power supply device is characterized in that, said power supply device includes:

One housing, said housing include the outlet panel that an accommodation space and is connected with said accommodation space, and said outlet panel includes an electric power input interval and an electric power output interval;

At least one power supply module; Said power supply module is arranged in the accommodation space of said housing; Said power supply module includes one and electrically connects said electric power input unit and convert said external communication electric power source the power conversion unit of a direct current electric power into the electric power input unit that receives an external communication electric power source, relatively with said electric power input interval, and one with said electric power output interval relatively and electrically connect said power conversion unit to receive the electric power output unit that said direct current power is exported; And

One metal partion (metp); Said metal partion (metp) is arranged between said electric power input interval and the said electric power output interval and is connected in the outlet panel of said housing, and said metal partion (metp) is to said accommodation space direction extension and isolate said electric power input unit and said electric power output unit at least.

2. power supply device according to claim 1 is characterized in that said electric power input unit includes the input power line of the said external communication electric power source of at least one reception.

3. power supply device according to claim 2 is characterized in that, said outlet panel includes the line inlet port that the said input power line of at least one confession passes with respect to said electric power input interval.

4. power supply device according to claim 2; It is characterized in that; Said electric power input unit is arranged on the said outlet panel, and said electric power input unit include one electrically connect said input power line first circuit board and be arranged on the said first circuit board and electrically connect the input patchplug of said first circuit board.

5. power supply device according to claim 4 is characterized in that, said power conversion unit include one with the corresponding alternating current of said input patchplug connectivity port.

6. power supply device according to claim 1 is characterized in that, said electric power output unit includes the output power line of the said direct current power of at least one output.

7. power supply device according to claim 6 is characterized in that, said outlet panel includes the line outlet that the said output power line of at least one confession passes with respect to said electric power output interval.

8. power supply device according to claim 6; It is characterized in that; Said electric power output unit is arranged on the said outlet panel, and said electric power output unit include one electrically connect said output power line second circuit board and be arranged on the said second circuit board and electrically connect the output patchplug of said second circuit board.

9. power supply device according to claim 8 is characterized in that, said power conversion unit include one with the corresponding direct current of said output patchplug connectivity port.

10. power supply device according to claim 1; It is characterized in that; Said power supply module also include one be fixed in said metal partion (metp) VRM Voltage Regulator Module, said VRM Voltage Regulator Module electrically connects said electric power output unit to regulate the voltage of said direct current power.

11. power supply device according to claim 10 is characterized in that, said VRM Voltage Regulator Module is arranged at a side of the adjacent said electric power output unit of said metal partion (metp).

12. power supply device according to claim 1 is characterized in that, is provided with a plurality of power supply modules in the said accommodation space.

13. power supply device according to claim 1 is characterized in that, said housing includes the metal locating rack of a fixing said metal partion (metp).

14. power supply device according to claim 1 is characterized in that, said metal partion (metp) includes a plurality of radiating fins.

Images