CN103605417A - Energy-saving computer server power supply - Google Patents
Energy-saving computer server power supply Download PDFInfo
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- CN103605417A CN103605417A CN201310648213.0A CN201310648213A CN103605417A CN 103605417 A CN103605417 A CN 103605417A CN 201310648213 A CN201310648213 A CN 201310648213A CN 103605417 A CN103605417 A CN 103605417A
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Abstract
The invention discloses an energy-saving computer server power supply. The energy-saving computer server power supply comprises a power grid input filter circuit, a rectifying circuit, a PFC circuit, a filter circuit and a main converter, wherein the filter circuit is connected with an auxiliary converter, electricity is supplied to an IC1 after a high voltage passing through the filter circuit is processed by an IC2, and a 5VSB voltage is output at the same time so that electricity can be provided for an IC3 and a server mainboard standby circuit; the filtered voltages enter an output voltage speed filtering circuit to generate a +5v voltage and a +12v voltage after passing through the main converter, the voltage output by the main converter passes through a 3.3v magnetic amplification circuit so that a +3.3v voltage can be generated. A circuit output by the main converter can be monitored by the IC3, and the IC3 can be started or stopped through a PGO circuit. The energy-saving computer server power supply can bear high voltages and large currents, the efficiency is over 90%, the power supply is applicable to 150-265v voltage fluctuation of a power grid, and the working noise is low.
Description
Technical field
The present invention relates to field of power supplies, be specifically related to a kind of energy-conservation computer server power supply.
Background technology
Along with the arrival of information age, together with server has been closely connected with people's live and work, the power consumption of server is also in continuous increase, and the energy consumption problem of server also causes the attention of various countries.Server power supply output generally comprises primary power output and standby power supply output two parts, wherein primary power output comprise-12V ,-5V ,+3.3V ,+5V etc.Because the factors such as electrical network, transformer usually cause the input voltage of server, change greatly, therefore need a kind of server power supply that change in voltage scope is large that adapts to.
Summary of the invention
The technical problem to be solved in the present invention is to provide the energy-conservation computer server power supply that a kind of work energy consumption is low, operating noise is little.
For solving the problems of the technologies described above, technical scheme of the present invention is:
A kind of energy-conservation computer server power supply, comprise successively connected electrical network input filter circuit, rectification circuit, pfc circuit, filtering circuit and main converter, filtering circuit is connected with subcommutation device, the high pressure of circuit is exported, after overdrive voltage rectifying and wave-filtering, to PFC+PWM chip IC 1, is powered through subcommutation device again after standby chip IC 2 is processed after filtering, also make standby chip IC 2 depart from self-powered, export 5VSB isolation voltage simultaneously and to monitoring chip IC3 and server master board stand-by circuit, power after 5VSB rectifying and wave-filtering; Pfc circuit is connected with the PFC control loop of 1 li of PFC+PWM chip IC, makes the voltage after rectification carry out entering filtering circuit after power factor (PF) calibration; Main converter is connected with the PWM control loop of 1 li of PFC+PWM chip IC, make filtered voltage after main converter isolated variable, enter output voltage current rectifying and wave filtering circuit generation+5v and+12v voltage, wherein+12v voltage support fan control loop works, contemporary replace+5VSB provides voltage to monitoring chip IC3, and main converter is exported after 3.3v magnetic amplifying return circuit again through output voltage current rectifying and wave filtering circuit generation+3.3v voltage; Monitoring chip IC3 can carry out electric current and voltage monitoring to the circuit of main converter output, monitoring chip IC3 draws high PGO circuit notice server master board power work state and has set up and provide regulated output voltage, when the circuit overvoltage of transducer output, under-voltage, overcurrent and short circuit, it is undesired that monitoring chip IC3 drags down PGO circuit (14) announcement server motherboard power supply, through control loop, turn-off PFC+PWM chip IC 1 simultaneously, make power supply enter guard mode; Fan control loop is provided with temperature sampling circuit, to feed back, drives radiator fan with certain rotary speed working.
Bian gets above technical scheme, and the beneficial effect that the present invention has is:
The present invention adopts temperature control circuit to drive radiator fan work, has reduced power work noise, has extended the life-span of fan and power supply simultaneously.Circuit board of the present invention, through optimizing, can bear high voltage, large electric current, can effectively stop the interference such as EMI, and isolation effect is good, rationally distributed, and fly line is few.
Accompanying drawing explanation
Fig. 1 is the circuit theory diagrams of a kind of energy-conservation computer server power supply of the present invention.
Embodiment
As shown in Figure 1, a kind of energy-conservation computer server power supply, comprise successively connected electrical network input filter circuit 1, rectification circuit 2, pfc circuit 3, filtering circuit 4 and main converter 5, filtering circuit 4 is connected with subcommutation device 6, the high pressure of circuit 4 is exported, after overdrive voltage rectifying and wave-filtering 8, to PFC+PWM chip IC 1, is powered through subcommutation device 6 again after standby chip IC 2 is processed after filtering, also make standby chip IC 2 depart from self-powered, export 5VSB isolation voltage simultaneously and to monitoring chip IC3 and server master board stand-by circuit, power after 5VSB rectifying and wave-filtering 7; Described pfc circuit 3 is connected with the PFC control loop 9 of 1 li of PFC+PWM chip IC, makes the voltage after rectification carry out entering filtering circuit 4 after power factor (PF) calibration; Main converter 5 is connected with the PWM control loop 10 of 1 li of PFC+PWM chip IC, make filtered voltage after main converter 5 isolated variables, enter output voltage current rectifying and wave filtering circuit 11 generation+5v and+12v voltage, wherein+12v voltage support fan control loop 13 work, contemporary replace+5VSB provides voltage to monitoring chip IC3, and main converter 5 is exported after 3.3v magnetic amplifying return circuit 12 again through output voltage current rectifying and wave filtering circuit 11 generation+3.3v voltages.Monitoring chip IC3 can carry out electric current and voltage monitoring to the circuit of described main converter 5 outputs; monitoring chip IC3 draws high PGO circuit 14 announcement server motherboard power supply duties and has set up and provide regulated output voltage; when the circuit overvoltage of transducer 5 output, under-voltage, overcurrent and short circuit; it is abnormal that monitoring chip IC3 drags down PGO circuit 14 announcement server motherboard power supplies; through control loop 15, turn-off PFC+PWM chip IC 1 simultaneously, make power supply enter guard mode.
Claims (1)
1. an energy-conservation computer server power supply, comprise successively connected electrical network input filter circuit (1), rectification circuit (2), pfc circuit (3), filtering circuit (4) and main converter (5), it is characterized in that: described filtering circuit (4) is connected with subcommutation device (6), the high pressure of circuit (4) is exported through subcommutation device (6) after standby chip IC 2 is processed again after filtering, after overdrive voltage rectifying and wave-filtering (8), give PFC+PWM chip IC 1 power supply, also make standby chip IC 2 depart from self-powered, export 5VSB isolation voltage powers to monitoring chip IC3 and server master board stand-by circuit simultaneously after 5VSB voltage commutation filtering (7), described pfc circuit (3) is connected with the PFC control loop (9) of 1 li of PFC+PWM chip IC, makes the voltage after rectification carry out entering filtering circuit (4) after power factor (PF) calibration, main converter (5) is connected with the PWM control loop (10) of 1 li of PFC+PWM chip IC, make filtered voltage after main converter (5) isolated variable, enter output voltage current rectifying and wave filtering circuit (11) generation+5v and+12v voltage, wherein+12v voltage support fan control loop (13) work, contemporary replace+5VSB provides voltage to monitoring chip IC3, and main converter (5) is exported after 3.3v magnetic amplifying return circuit (12) again through output voltage current rectifying and wave filtering circuit (11) generation+3.3v voltage, described monitoring chip IC3 can carry out electric current and voltage monitoring to the circuit of described main converter (5) output, monitoring chip IC3 draws high PGO circuit (14) announcement server motherboard power supply duty and has set up and provide regulated output voltage, when the circuit overvoltage of transducer (5) output, under-voltage, overcurrent and short circuit, it is abnormal that monitoring chip IC3 drags down PGO circuit (14) announcement server motherboard power supply, through control loop (15), turn-off PFC+PWM chip IC 1 simultaneously, make power supply enter guard mode, described fan control loop (13) is provided with temperature sampling circuit, to feed back, drives radiator fan with certain rotary speed working.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310648213.0A CN103605417A (en) | 2013-12-04 | 2013-12-04 | Energy-saving computer server power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310648213.0A CN103605417A (en) | 2013-12-04 | 2013-12-04 | Energy-saving computer server power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103605417A true CN103605417A (en) | 2014-02-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310648213.0A Pending CN103605417A (en) | 2013-12-04 | 2013-12-04 | Energy-saving computer server power supply |
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| CN (1) | CN103605417A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111864721A (en) * | 2020-07-15 | 2020-10-30 | 苏州浪潮智能科技有限公司 | Multi-output combined modular server power supply |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5870086A (en) * | 1996-08-14 | 1999-02-09 | Samsung Electronics Co., Ltd. | Power saving display device and method for controlling power thereof |
| CN202929563U (en) * | 2012-12-12 | 2013-05-08 | 哈尔滨师范大学 | Computer safe power source |
| CN103294152A (en) * | 2012-02-29 | 2013-09-11 | 广达电脑股份有限公司 | Server power supply system |
-
2013
- 2013-12-04 CN CN201310648213.0A patent/CN103605417A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5870086A (en) * | 1996-08-14 | 1999-02-09 | Samsung Electronics Co., Ltd. | Power saving display device and method for controlling power thereof |
| CN103294152A (en) * | 2012-02-29 | 2013-09-11 | 广达电脑股份有限公司 | Server power supply system |
| CN202929563U (en) * | 2012-12-12 | 2013-05-08 | 哈尔滨师范大学 | Computer safe power source |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111864721A (en) * | 2020-07-15 | 2020-10-30 | 苏州浪潮智能科技有限公司 | Multi-output combined modular server power supply |
| CN111864721B (en) * | 2020-07-15 | 2021-11-16 | 苏州浪潮智能科技有限公司 | Multi-output combined modular server power supply |
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Effective date of abandoning: 20170804 |
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