CN218387299U - Auxiliary power supply of CRPS power supply - Google Patents
Auxiliary power supply of CRPS power supply Download PDFInfo
- Publication number
- CN218387299U CN218387299U CN202222640659.6U CN202222640659U CN218387299U CN 218387299 U CN218387299 U CN 218387299U CN 202222640659 U CN202222640659 U CN 202222640659U CN 218387299 U CN218387299 U CN 218387299U
- Authority
- CN
- China
- Prior art keywords
- power supply
- circuit
- board
- auxiliary power
- power
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses an auxiliary power supply of a CRPS power supply, wherein the CRPS power supply comprises a power board, and the power board comprises an AC/DC circuit and a DC/DC circuit; the auxiliary power supply comprises a power supply board, and the power supply board is fixed on the power board and is orthogonal to and electrically connected with the power board; the power supply board comprises two auxiliary power supply circuits, each auxiliary power supply circuit comprises a transformer and a rectifying and filtering circuit, the rectifying and filtering circuits are arranged on a PCB of the power supply board, and the transformers are fixed on the PCB of the power supply board; the first auxiliary power supply circuit supplies power to the AC/DC circuit as an auxiliary power supply for the AC/DC circuit, and the second auxiliary power supply circuit supplies power to the DC/DC circuit as an auxiliary power supply for the DC/DC circuit. The utility model discloses an auxiliary power source adopts two auxiliary power source circuits, and two auxiliary power source circuits have respective transformer, and the volume of transformer is less on the power supply board, and during the power board overall arrangement of CRPS power, two transformers are difficult for taking place the conflict with the output electric capacity on the power board on the power supply board, and the size of power board can be done lessly.
Description
[ technical field ]
The utility model relates to a CRPS power especially relates to an auxiliary power supply of CRPS power.
[ background art ]
CRPS (Common Redundant Power Supplies) Power supply is a Power supply used in a server, consists of two identical Power Supplies, is subjected to load balancing by a chip control Power supply, and can be immediately taken over by another Power supply when one Power supply fails.
The structure of the prior art CRPS power supply is shown in fig. 1, and includes a power board 10, and the power board 10 has an AC/DC circuit and a DC/DC circuit. The auxiliary power supply includes a power supply board 20, and the power supply board 20 is fixed on the power board 10, orthogonal to the power board 10, and electrically connected. The power supply board is provided with an auxiliary power supply circuit, the auxiliary power supply circuit comprises a transformer 21 and two rectifying and filtering circuits, the rectifying and filtering circuits are arranged on a PCB of the power supply board, and the transformer 21 is fixed on the PCB of the power supply board 20.
As shown in fig. 2, the transformer T (transformer 21) includes a primary winding and two secondary windings, the primary winding of the transformer T is connected to the AC output terminal, the output terminals of the two secondary windings of the transformer T are respectively connected to the AC input terminals of the two rectifying and filtering circuits, the DC output terminal of the first rectifying and filtering circuit is used as an auxiliary power supply of the AC/DC circuit to supply power to the AC/DC circuit, and the DC output terminal of the second rectifying and filtering circuit is used as an auxiliary power supply of the DC/DC circuit to supply power to the DC/DC circuit.
The transformer T (transformer 21) is provided with two secondary windings, an auxiliary power supply needs to supply power to the AC/DC circuit and the DC/DC circuit respectively, the two secondary windings and the primary winding are wound on one magnetic core, the size of the transformer T (transformer 21) is large, and when the power board of the CRPS power supply is arranged, the transformer T is easy to conflict with the output capacitor 11 on the power board.
[ summary of the invention ]
The to-be-solved technical problem of the utility model is to provide a can be convenient for CRPS power supply's auxiliary power supply of CRPS power board overall arrangement.
In order to solve the technical problem, the utility model adopts the technical scheme that the CRPS power supply comprises a power board, and the power board comprises an AC/DC circuit and a DC/DC circuit; the auxiliary power supply comprises a power supply board, and the power supply board is fixed on the power board and is orthogonal to and electrically connected with the power board; the power supply board comprises two auxiliary power supply circuits, each auxiliary power supply circuit comprises a transformer and a rectifying and filtering circuit, the rectifying and filtering circuits are arranged on a PCB of the power supply board, and the transformers are fixed on the PCB of the power supply board; the first auxiliary power supply circuit supplies power to the AC/DC circuit as an auxiliary power supply for the AC/DC circuit, and the second auxiliary power supply circuit supplies power to the DC/DC circuit as an auxiliary power supply for the DC/DC circuit.
In the auxiliary power supply, the input end of the primary winding of the transformer of the first auxiliary power supply circuit is connected in parallel with the input end of the primary winding of the transformer of the second auxiliary power supply circuit.
The utility model discloses an auxiliary power source adopts two auxiliary power source circuits, and two auxiliary power source circuits have respective transformer, and the volume of transformer is less on the power supply board, and during the power board overall arrangement of CRPS power, two transformers are difficult for taking place the conflict with the output electric capacity on the power board on the power supply board, and the size of power board can be done lessly.
[ description of the drawings ]
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic diagram of a prior art CRPS power supply.
Fig. 2 is a circuit diagram of a prior art auxiliary power supply circuit transformer.
Fig. 3 is a schematic structural diagram of a CRPS power supply according to an embodiment of the present invention.
Fig. 4 is a wiring circuit diagram of two auxiliary power circuit transformers according to the embodiment of the present invention.
[ detailed description of the invention ]
The CRPS power supply of the embodiment of the present invention has a structure as shown in FIG. 3 and FIG. 4, and includes a power board 10, and the power board 10 has an AC/DC circuit and a DC/DC circuit. The auxiliary power supply includes a power supply board 20, and the power supply board 20 is fixed on the power board 10, orthogonal to the power board 10, and electrically connected. The power supply board 20 includes two auxiliary power supply circuits. The first auxiliary power supply circuit includes a first transformer 21 and a first rectifying and filtering circuit, and the second auxiliary power supply circuit includes a second transformer 22 and a second rectifying and filtering circuit.
The first rectifying and filtering circuit and the second rectifying and filtering circuit are disposed on the PCB of the power supply board 20, and the first transformer 21 and the second transformer 22 are fixed on the PCB of the power supply board 20. The input end of the first rectifying and filtering circuit is connected with the secondary winding of the first transformer 21, the direct current output end of the first rectifying and filtering circuit is used as an auxiliary power supply of the AC/DC circuit to supply power to the AC/DC circuit, the input end of the second rectifying and filtering circuit is connected with the secondary winding of the second transformer 22, and the second rectifying and filtering circuit is used as an auxiliary power supply of the DC/DC circuit to supply power to the DC/DC circuit.
As shown in fig. 4, the input terminal of the primary winding of the first transformer T1 (21) is connected in parallel with the input terminal of the primary winding of the second transformer T2 (22).
The utility model discloses above embodiment CRPS power's auxiliary power supply adopts two auxiliary power supply circuits, and two auxiliary power supply circuits have respective transformer, and the volume of transformer is less on the power supply board, and during the power board overall arrangement of CRPS power, two transformers 21 and 22 on the power supply board are difficult to conflict with output electric capacity 11, and the size of power board can be done lessly.
Claims (2)
1. An auxiliary power supply of a CRPS power supply, the CRPS power supply comprises a power board, the power board comprises an AC/DC circuit and a DC/DC circuit; the auxiliary power supply comprises a power supply board, and the power supply board is fixed on the power board and is orthogonal to and electrically connected with the power board; the power supply board comprises an auxiliary power supply circuit, the auxiliary power supply circuit comprises a transformer and a rectifying and filtering circuit, the rectifying and filtering circuit is arranged on a PCB of the power supply board, and the transformer is fixed on the PCB of the power supply board; the auxiliary power supply circuit is characterized by comprising a first auxiliary power supply circuit and a second auxiliary power supply circuit, wherein the first auxiliary power supply circuit is used as an auxiliary power supply of the AC/DC circuit to supply power to the AC/DC circuit, and the second auxiliary power supply circuit is used as an auxiliary power supply of the DC/DC circuit to supply power to the DC/DC circuit.
2. The auxiliary power supply of claim 1 wherein the input of the primary winding of the transformer of the first auxiliary power supply circuit is connected in parallel with the input of the primary winding of the transformer of the second auxiliary power supply circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222640659.6U CN218387299U (en) | 2022-10-08 | 2022-10-08 | Auxiliary power supply of CRPS power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222640659.6U CN218387299U (en) | 2022-10-08 | 2022-10-08 | Auxiliary power supply of CRPS power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218387299U true CN218387299U (en) | 2023-01-24 |
Family
ID=84927131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222640659.6U Active CN218387299U (en) | 2022-10-08 | 2022-10-08 | Auxiliary power supply of CRPS power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218387299U (en) |
-
2022
- 2022-10-08 CN CN202222640659.6U patent/CN218387299U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100570768C (en) | Transformer device structure | |
| WO2008119935A1 (en) | High frequency transformer for high voltage applications | |
| CN112928806B (en) | Subminiature power supply implementation method | |
| CN107005147B (en) | Power interface module with compact EMI filter | |
| CN110970210A (en) | Transformer device | |
| US10128038B2 (en) | Isolation transformer | |
| CN218387299U (en) | Auxiliary power supply of CRPS power supply | |
| CN111510007B (en) | Hybrid isolation type single-phase power electronic transformer | |
| CN211907191U (en) | Transformer and power based on primary side fractional turn | |
| TW202213402A (en) | Planar winding transformer | |
| CN215731258U (en) | Thin planar transformer of switching power supply LLC converting circuit | |
| CN211720473U (en) | Transformer and power supply | |
| CN111614233A (en) | Double-input LLC resonance half-bridge circuit type planar transformer with current-equalizing and voltage-equalizing inductors | |
| CN220527906U (en) | Parallel current equalizing circuit for inverter arc welding power supply and power supply | |
| CN216290703U (en) | Switch power supply | |
| CN216851776U (en) | Power supply circuit and power supply converter | |
| CN217280393U (en) | Low-voltage large-current secondary direct outgoing line transformer | |
| CN217933417U (en) | Transformer and asymmetric half-bridge flyback conversion circuit | |
| CN220022628U (en) | High-power wide-range output circuit | |
| CN216852798U (en) | High-efficient stacked structure of charger circuit board | |
| CN216117771U (en) | AC input voltage detection circuit | |
| CN216929879U (en) | LLC resonant transformation ware, module and fill electric pile charge of charging | |
| CN217563514U (en) | Auxiliary power supply circuit and power supply system | |
| CN216818117U (en) | Multifunctional filtering switch device for electromagnetic compatibility test | |
| CN214279783U (en) | Power circuit and power supply capable of dynamically changing inductance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |