CN111651012A - Computer power supply - Google Patents
Computer power supply Download PDFInfo
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- CN111651012A CN111651012A CN202010491321.1A CN202010491321A CN111651012A CN 111651012 A CN111651012 A CN 111651012A CN 202010491321 A CN202010491321 A CN 202010491321A CN 111651012 A CN111651012 A CN 111651012A
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- Prior art keywords
- direct current
- power
- management chip
- module
- power management
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/18—Packaging or power distribution
- G06F1/183—Internal mounting support structures, e.g. for printed circuit boards, internal connecting means
- G06F1/188—Mounting of power supply units
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/266—Arrangements to supply power to external peripherals either directly from the computer or under computer control, e.g. supply of power through the communication port, computer controlled power-strips
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Human Computer Interaction (AREA)
- Power Sources (AREA)
Abstract
The invention relates to a computer power supply which comprises a power input connector, an alternating current-to-direct current module, a direct current-to-direct current module, a power output connector, a fan, a power management chip and a standard PCIE golden finger, wherein the power output connector and the standard PCIE golden finger are respectively arranged at one side and the bottom of a power metal shell, the power input connector is connected with the alternating current-to-direct current module, the alternating current-to-direct current module is respectively connected with the direct current-to-direct current module and the power management chip, the power management chip is respectively connected with the fan, the direct current-to-direct current module and the standard PCIE golden finger, and the direct current-to-direct current module is respectively connected with the power output connector and the standard PCIE golden finger. The computer power supply can realize the access of a plurality of power supplies on the PCIE expansion slot in the chassis when the power supply of the plurality of power supplies is needed through the extension of the set standard PCIE golden finger.
Description
Technical Field
The invention relates to the field of computers, in particular to a computer power supply.
Background
With the coming of the internet era, the big data era and the AI era, the requirements for processing and storing data are explosively increased, the processing capability and the PCIE expansion capability of a new-generation processor are further enhanced, and higher requirements are placed on the device expansion capability, flexibility and integration degree of a server and a computer. More space is needed inside the server and the computer case to expand more devices and more flexible internal layout capability, and the space is fully and reasonably utilized.
In the existing scheme, the quantity of power modules and the occupied space positions are fixed in a server and a computer case, the quantity of expansion card slots and the quantity of expansion cards are limited due to insufficient space, cables of the expansion cards are inconvenient to be led out and are disordered, and a heat dissipation air duct is blocked to influence the heat dissipation effect. When the power supply is abundant, the power supply modules are reduced, and the space is not available; and when the power supply is insufficient, the power supply module cannot be added.
The space position of the power supply module is fixed, and the outgoing direction of the power line cannot be adjusted, so that the overall cable layout and heat dissipation of the cabinet are influenced;
the space of the power supply module can not be shared, the expansion capability is limited, the position of the power supply module can not be adjusted, and the position layout of the equipment is limited and inflexible;
the power supply module occupies a fixed space, and limits the expansion quantity of the devices in the case and the expansion quantity of the power supply module.
Disclosure of Invention
In view of the above, there is a need to provide a computer power supply, which solves the disadvantages of the computer power supply that it cannot be expanded and the space position is fixed.
A computer power supply comprises a power input connector, an alternating current-to-direct current module, a direct current-to-direct current module, a power output connector, a fan, a power management chip and a standard PCIE golden finger, wherein the power input connector, the alternating current-to-direct current module, the direct current-to-direct current module, the fan and the power management chip are arranged in a power metal shell, the power output connector and the standard PCIE golden finger are respectively arranged at one side and the bottom of the power metal shell, the power input connector is connected with the alternating current-to-direct current module, the alternating current-to-direct current module is respectively connected with the direct current-to-direct current module and the power management chip, the power management chip is respectively connected with the fan, the direct current-to-direct current module and the standard PCIE golden finger, and the direct current-to-direct current module is respectively connected with the power.
Preferably, the alternating current-to-direct current module comprises an alternating current-to-direct current circuit, the alternating current-to-direct current circuit is simultaneously connected with the power input connector, the fan, the direct current-to-direct current module and the power management chip, the alternating current-to-direct current circuit provides working power for the power management chip and the fan, and the power management chip is used for controlling the alternating current-to-direct current circuit to output single or multiple direct current voltages.
Preferably, the dc-to-dc module includes a dc-to-dc circuit, an input end of the dc-to-dc circuit is connected to an output end of the ac-to-dc circuit, the output ends of the dc-to-dc circuit are multiple, and the output ends of the dc-to-dc circuit are respectively and correspondingly connected to the power output connector and the standard PCIE gold finger.
Preferably, the standard PCIE gold finger is connected to the power management chip through an I2C bus, the standard PCIE gold finger is used to supply power to the motherboard, and the motherboard realizes control of the power management chip through an I2C bus.
Preferably, the power management chip controls the fan to be turned on or off through a control signal I.
Preferably, the power management chip controls the AC-DC conversion module to be respectively opened or closed with the fan and the DC-DC conversion module through the control signal II, the AC-DC conversion module returns a signal to the power management chip through the feedback signal III, and the power management chip performs logic judgment according to the feedback signal III and controls the AC-DC conversion module through the control signal II.
Preferably, the power management chip controls the dc-dc module through a control signal four, the dc-dc module returns a signal to the power management chip through a feedback signal five, and the power management chip performs logical addition judgment according to the feedback signal five and controls the ac-dc module through the control signal four.
The computer power supply can realize the access of a plurality of power supplies on the PCIE expansion slot in the chassis when the power supply of the plurality of power supplies is needed through the extension of the set standard PCIE golden finger.
And through coming out the power alone, the space of fixed power will carry out other arrangements in original quick-witted case for the quick-witted case has more possibilities, and the position of power can be adjusted moreover, pegs graft on arbitrary PCIE expansion groove, increases the utilization ratio of space in the quick-witted case, can be according to the position requirement of AC power cord, changes the position of PCIE expansion groove, the convenient processing of bundling to the power cord.
Drawings
FIG. 1 is a block diagram of the power supply of the computer of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the computer power supply of the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, the present invention provides a computer power supply, including a power input connector, an ac-to-dc module, a dc-to-dc module, a power output connector, a fan, a power management chip and a standard PCIE gold finger, where the power input connector, the ac-to-dc module, the dc-to-dc module, the fan and the power management chip are disposed in a power metal casing, the power output connector and the standard PCIE gold finger are disposed at one side and at the bottom of the power metal casing, respectively, the power input connector is connected to the ac-to-dc module, the ac-to-dc module is connected to the dc-to-dc module and the power management chip, respectively, the power management chip is connected to the fan, the dc-to-dc module and the standard PCIE gold finger, and the dc-to-dc module is connected to the power output connector and the standard PCIE gold finger, respectively.
Specifically, the alternating current-to-direct current module comprises an alternating current-to-direct current circuit, the alternating current-to-direct current circuit is simultaneously connected with the power input connector, the fan, the direct current-to-direct current module and the power management chip, the alternating current-to-direct current circuit provides a working power supply for the power management chip and the fan, and the power management chip is used for controlling the alternating current-to-direct current circuit to output single or multiple direct current voltages.
Specifically, the dc-to-dc module includes a dc-to-dc circuit, an input terminal of the dc-to-dc circuit is connected to an output terminal of the ac-to-dc circuit, a plurality of output terminals of the dc-to-dc circuit are provided, and output terminals of the dc-to-dc circuit are respectively and correspondingly connected to the power output connector and the standard PCIE gold finger.
Specifically, the standard PCIE golden finger is connected to the power management chip through the I2C bus, the standard PCIE golden finger is used to supply power to the motherboard, and the motherboard realizes control of the power management chip through the I2C bus.
Specifically, the power management chip controls the fan to be turned on or off through a control signal I.
Specifically, the power management chip controls the AC-DC conversion module to be respectively opened or closed with the fan and the DC-DC conversion module through the control signal II, the AC-DC conversion module returns a signal to the power management chip through the feedback signal III, and the power management chip performs logic judgment according to the feedback signal III and controls the AC-DC conversion module through the control signal II.
Specifically, the power management chip controls the direct current to direct current module through a control signal four, the direct current to direct current module returns a signal to the power management chip through a feedback signal five, and the power management chip performs logical addition judgment according to the feedback signal five and controls the alternating current to direct current module through the control signal four.
The working principle of the invention is as follows:
when the power supply works, alternating current is input through the power input connector, is converted into single or multiple direct current voltages through the alternating current-to-direct current circuit and is output to the output end of the alternating current-to-direct current circuit, enters through the input end of the connected direct current-to-direct current circuit, is converted into multiple direct current voltages meeting the power supply requirement through the direct current-to-direct current circuit, and is transmitted to each load from the output end of the direct current-to-direct current circuit.
The direct current-to-direct current circuit is provided with seven output ends which are respectively connected with corresponding input ends of the power output connector and used for supplying power to each device in the computer through the power output connector, and the seven output ends respectively output voltages of: 1.2V, 1.5V, 1.8V, 3.3V, 5V, -12V, connecting device can select to connect specific port in the power output connector to obtain corresponding power supply voltage, wherein the output end of outputting 12V and 3.3V is connected with standard PCIE golden finger simultaneously, and power is supplied to the mainboard by inserting the standard PCIE golden finger in the PCIE slot.
Specifically, the fan and the power management chip are directly powered by an AC-to-DC power supply module.
After the power supply works, the power supply management chip receives a starting signal transmitted by the mainboard from an I2C bus, the power supply management chip sends the starting signal to the fan through a control signal, and the fan is started to dissipate heat in the power supply;
the power management chip sends a starting signal to the alternating current-to-direct current module through a control signal pair, the alternating current-to-direct current circuit is conducted and starts to receive alternating current from the power input connector, the alternating current-to-direct current circuit returns a feedback signal III at the moment, the power management chip receives the feedback signal and processes the feedback signal, a preset value is compared, and if the power circuit works normally, the power management chip transmits a signal that the power supply works normally to the mainboard; if the power circuit works abnormally, the power management chip controls the alternating current to direct current circuit to cut off the circuit through the control signal II, and the power supply stops supplying power emergently.
The power management chip sends a starting signal to the DC-DC module through a control signal IV, the DC-DC circuit is conducted and starts to receive the output voltage from the DC-DC module, the DC-DC circuit returns a feedback signal V at the moment, the power management chip receives the feedback signal and processes the feedback signal, the feedback signal is compared with a preset value, and if the power circuit works normally, the power management chip transmits a signal that the power works normally to the mainboard; if the power circuit works abnormally, the power management chip controls the direct current to direct current circuit to cut off the access through the control signal IV, and the power supply stops supplying power emergently.
The circuit abnormality signal is OR logic, and the power supply can be emergently stopped to supply power as long as the power supply management chip detects that one of the feedback signal III or the feedback signal V returns the circuit abnormality signal. And the normal circuit signal is AND logic, and the power management chip can send a signal that the power supply normally works to the mainboard only when the power management chip detects that the feedback signal III or the feedback signal V returns the normal circuit signal.
After the power management chip receives a closing signal transmitted by the mainboard from the I2C bus, the power management chip respectively controls the alternating current-to-direct current circuit and the direct current-to-direct current circuit to be disconnected through the control signal II and the control signal IV, and the power supply receives power supply.
Specifically, through the standard PCIE gold finger extension, when a plurality of power supplies are needed to supply power, the access of the plurality of power supplies can be realized on the PCIE extension slot in the chassis.
And through coming out the power alone, the space of fixed power will carry out other arrangements in original quick-witted case for the quick-witted case has more possibilities, and the position of power can be adjusted moreover, pegs graft on arbitrary PCIE expansion groove, increases the utilization ratio of space in the quick-witted case, can be according to the position requirement of AC power cord, changes the position of PCIE expansion groove, the convenient processing of bundling to the power cord.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. A computer power supply, characterized by: including power input connector, interchange change direct current module, direct current change direct current module, power output connector, fan, power management chip and standard PCIE golden finger, power input connector, interchange change direct current module, direct current change direct current module, fan and power management chip set up in power metal casing, power output connector with standard PCIE golden finger set up respectively in power metal casing's one side and bottom, power input connector connects interchange changes direct current module, interchange changes direct current module and connects direct current change direct current module and power management chip respectively, power management chip connect the fan respectively direct current change direct current module and standard PCIE golden finger, direct current changes direct current module and connects respectively power output connector and standard PCIE golden finger.
2. The computer power supply of claim 1, wherein: the alternating current-to-direct current module comprises an alternating current-to-direct current circuit, the alternating current-to-direct current circuit is simultaneously connected with the power input connector, the fan, the direct current-to-direct current module and the power management chip, the alternating current-to-direct current circuit provides a working power supply for the power management chip and the fan, and the power management chip is used for controlling the alternating current-to-direct current circuit to output single or multiple direct current voltages.
3. The computer power supply of claim 1, wherein: the direct current-to-direct current module comprises a direct current-to-direct current circuit, the input end of the direct current-to-direct current circuit is connected with the output end of the alternating current-to-direct current circuit, the output ends of the direct current-to-direct current circuit are multiple, and the output end of the direct current-to-direct current circuit is correspondingly connected with the power output connector and the standard PCIE golden finger respectively.
4. The computer power supply of claim 1, wherein: the standard PCIE golden finger is connected with the power management chip through an I2C bus, the standard PCIE golden finger is used for supplying power to the mainboard, and the mainboard realizes control over the power management chip through an I2C bus.
5. The computer power supply of claim 1, wherein: the power management chip controls the fan to be turned on or off through a control signal I.
6. The computer power supply of claim 1, wherein: the power management chip controls the AC-DC conversion module to be respectively opened or closed with the fan and the DC-DC conversion module through a control signal II, the AC-DC conversion module returns a signal to the power management chip through a feedback signal III, and the power management chip performs logic judgment according to the feedback signal III and controls the AC-DC conversion module through the control signal II.
7. The computer power supply of claim 1, wherein: the power management chip controls the direct current to direct current module through a control signal four, the direct current to direct current module returns a signal to the power management chip through a feedback signal five, and the power management chip performs logical addition judgment according to the feedback signal five and controls the alternating current to direct current module through the control signal four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010491321.1A CN111651012A (en) | 2020-06-02 | 2020-06-02 | Computer power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010491321.1A CN111651012A (en) | 2020-06-02 | 2020-06-02 | Computer power supply |
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| Publication Number | Publication Date |
|---|---|
| CN111651012A true CN111651012A (en) | 2020-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010491321.1A Pending CN111651012A (en) | 2020-06-02 | 2020-06-02 | Computer power supply |
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| CN (1) | CN111651012A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070070610A1 (en) * | 2005-09-29 | 2007-03-29 | International Business Machines Corporation | Low profile autodocking multi-battery pack system and in place service PCI storage controller card with redundant cache and concurrently maintainable redundant battery backup |
| CN201628923U (en) * | 2009-03-09 | 2010-11-10 | 王宝明 | External power supply output card of desktop computer |
| CN103092302A (en) * | 2011-10-31 | 2013-05-08 | 鸿富锦精密工业（深圳）有限公司 | Power supply unit and server cabinet power supply system |
| TWM472234U (en) * | 2013-06-26 | 2014-02-11 | Ioi Technology Corp | PCI-E expanding system |
| CN110794948A (en) * | 2018-08-03 | 2020-02-14 | 联想企业解决方案(新加坡)有限公司 | Power supply device, standby power supply module and power supply method |
-
2020
- 2020-06-02 CN CN202010491321.1A patent/CN111651012A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070070610A1 (en) * | 2005-09-29 | 2007-03-29 | International Business Machines Corporation | Low profile autodocking multi-battery pack system and in place service PCI storage controller card with redundant cache and concurrently maintainable redundant battery backup |
| CN201628923U (en) * | 2009-03-09 | 2010-11-10 | 王宝明 | External power supply output card of desktop computer |
| CN103092302A (en) * | 2011-10-31 | 2013-05-08 | 鸿富锦精密工业（深圳）有限公司 | Power supply unit and server cabinet power supply system |
| TWM472234U (en) * | 2013-06-26 | 2014-02-11 | Ioi Technology Corp | PCI-E expanding system |
| CN110794948A (en) * | 2018-08-03 | 2020-02-14 | 联想企业解决方案(新加坡)有限公司 | Power supply device, standby power supply module and power supply method |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200911 |
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| RJ01 | Rejection of invention patent application after publication |