CN102916817B - Power supply control circuit and modular equipment of data center manageability interface (DCMI) - Google Patents
Power supply control circuit and modular equipment of data center manageability interface (DCMI) Download PDFInfo
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- CN102916817B CN102916817B CN201210337805.6A CN201210337805A CN102916817B CN 102916817 B CN102916817 B CN 102916817B CN 201210337805 A CN201210337805 A CN 201210337805A CN 102916817 B CN102916817 B CN 102916817B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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Abstract
The invention provides a power supply control circuit and modular equipment of a data center manageability interface (DCMI). The power supply control circuit is connected between a power supply module and a management module; the power supply module outputs a standby voltage and a system voltage; the management module comprises a master management module and a standby management module; the power supply control circuit comprises a master control unit for controlling the power supply to the master management module and a standby control unit for controlling the power supply to the standby management module; the master control unit is used for controlling the standby voltage to supply power to a DCMI on the master management module in a first time period; the standby control unit is used for controlling the standby voltage to supply power to a DCMI on the standby management module in a second time period; and the first time period and the second time period do not coincide with each other.
Description
Technical field
The present invention relates to circuit engineering, (Data CenterManageability Interface, referred to as power-supplying circuit DCMI) and modularized equipment to particularly relate to a kind of data center management interface.
Background technology
Modularized equipment refers to the system that each functional module forms according to certain way.Be described for a modular switch, the structural representation of the modular switch provided in prior art as shown in Figure 1, comprise power module (as Suo Shi 11 and 12), administration module is (also known as management board, as Suo Shi 5 and 6), business module (also known as line card, as 1 ~ 4, shown in 7 ~ 10) etc.The module of these difference in functionalitys is interconnected by the backboard in cabinet, common comprising modules switch.Relatively independent between module have tight being connected: power module primary responsibility is powered to whole modular switch, the management work of the whole modular switch of administration module primary responsibility, which functional module is had to exist as judged, monitor the operating state of these functional modules, check and whether occur exception etc., business module mainly provides various interface, carries various concrete business.General in modular switch exist two backboards, a power supply backplane, a System Backplane.Power module generally can be inserted on power supply backplane, and administration module and business module generally can be inserted on System Backplane, can be connected to each other between power supply backplane and System Backplane by cable.Power module generally supports that two kinds of voltages export, a kind of is the standby voltage (standby) of 3.3V/5V, a kind of is the system voltage of 12V, the output of 12V can be supported by the control pin (PowerEN) of power module, when control pin is low level, 12V can normally export, and when control pin is high level, 12V does not export.The standby voltage of 3.3V/5V the control of uncontrolled pin, as long as 220V alternating current (Alternating Current, referred to as: AC) input is supplied to power module, and the stand-by power supply of 3.3V/5V just has output.Generally, the stand-by power supply output current of the 3.3V/5V of power module is all smaller, is thus unable to supply the device of large power consumption.
Unified data center's management interface specification that DCMI specification is Intel, other manufacturers of Microsoft and some combine formulation.The very important function of DCMI is exactly that the long-range power-on and power-off of support equipment control.This just requires that DCMI adopts the standby voltage of power module to power, and just can make after the system voltage of 12V is closed, power module can be reopened by Long-distance Control DCMI by user.
The simplified structure schematic diagram of the modular switch with double engines provided in prior art can be as shown in Figure 2, a modular switch comprises two engines (i.e. administration module), be provided with DCMI, each DCMI in each engine to need the standby voltage of power module to power.This just makes the power of standby voltage greatly increase.The power how reducing standby voltage is the problem continuing at present to solve.
Summary of the invention
The invention provides a kind of power-supplying circuit and the modularized equipment that effectively can reduce the DCMI of power module standby voltage power in modularized equipment.
First aspect of the present invention is to provide the power-supplying circuit of a kind of DCMI, and described power-supplying circuit is connected between power module and administration module; Described power module exports standby voltage and system voltage; Described administration module comprises primary administration module and standby management module; Described power-supplying circuit comprises: for controlling the active control unit that primary administration module is powered, and for controlling the standby control unit that standby management module is powered;
Described active control unit is that DCMI on primary administration module powers for controlling described standby voltage in first time period; Described standby control unit is that DCMI in standby management module powers for controlling described standby voltage in the second time period; Described first time period did not overlap each other with described second time period.
Another aspect of the present invention is to provide a kind of modularized equipment, comprises the power module and administration module that are connected to each other by backboard, and described power module exports standby voltage and system voltage; Described administration module comprises primary administration module and standby management module; Also comprise the power-supplying circuit of data center management interface DCMI as above.
Scheme provided by the invention, at any time, standby voltage powers all only to the DCMI of an administration module, can energy efficient effectively when standby; Secondly, as long as there is standby voltage to deposit in case, have at least a DCMI to be power supply in modular switch, user can carry out remote operation by this DCMI.
Accompanying drawing explanation
The structural representation of modular switch of Fig. 1 for providing in prior art;
The simplified structure schematic diagram of with double engines modular switch of Fig. 2 for providing in prior art;
The structural representation of the power-supplying circuit of the DCMI that Fig. 3 provides for the embodiment of the present invention one;
The structural representation of the power-supplying circuit of the DCMI that Fig. 4 provides for the embodiment of the present invention two;
The LTC4211 circuit diagram that Fig. 5 provides for the embodiment of the present invention two;
The structural representation of the power-supplying circuit of the DCMI that Fig. 6 provides for the embodiment of the present invention three;
The structural representation of the power-supplying circuit of the DCMI that Fig. 7 provides for the embodiment of the present invention four;
The structural representation of the power-supplying circuit of the DCMI that Fig. 8 provides for the embodiment of the present invention five;
The structural representation of the power-supplying circuit of the DCMI that Fig. 9 provides for the embodiment of the present invention six;
The structural representation of the power-supplying circuit of the DCMI that Figure 10 provides for the embodiment of the present invention seven;
The structural representation of the modular switch with double engines that Figure 11 provides for the embodiment of the present invention eight.
Embodiment
The structural representation of the power-supplying circuit of the DCMI that Fig. 3 provides for the embodiment of the present invention one, as shown in Figure 3, the power-supplying circuit of this DCMI is connected between power module and administration module, wherein, power module exports standby voltage and system voltage, and administration module comprises primary administration module and standby management module.The power-supplying circuit of this DCMI comprises: for controlling the active control unit that primary administration module is powered, and for controlling the standby control unit that standby management module is powered.Active control unit is that DCMI on primary administration module powers for controlling standby voltage in first time period, and standby control unit is that DCMI in standby management module powers for controlling standby voltage in the second time period; First time period did not overlap each other with the second time period, thus effectively guarantee any time standby voltage, only for a DCMI in standby usage administration module powers, effectively saves power consumption.
The embodiment of the present invention is described for modular switch with double engines.Modular switch with double engines can realize the redundancy backup between engine, plugs the exception that any engine all can not cause modular switch, damages the exception that any engine also can not cause modular switch.Simultaneously, the power-supplying circuit of the DCMI utilizing the embodiment of the present invention to provide can realize standby voltage at any time only to the DCMI module for power supply of an engine among with double engines, the effect of saving power consumption can be reached time standby, and effectively reduce the demand power of standby voltage.
In embodiments of the present invention, power module supports the output of two kinds of voltages, and one is 3.3V(can certainly be other numerical value such as 5V) standby voltage, one is 12V(can certainly be other numerical value) system voltage.Can the output of control system voltage by controlling pin PowerEN, generally, when PowerEN is low level, system voltage can normally export; When PowerEN is high voltage, system voltage does not export.The output of standby voltage is that uncontrolled pin PowerEN controls, as long as the alternating current input of 220V exists, standby voltage just has output.The DCMI that standby voltage is only on administration module (being also engine) powers, and system voltage is that other equipment of engine are powered, and other equipment mentioned here can be other circuit, line card, fan disk etc. of administration module.Backboard is used for the modules in connection mode blocking switch, as boards such as power module, engine, line cards.Use slot 1 engine with double engines and slot 2 engine are distinguished from each other.Wherein, slot 1 engine represents the engine of insert molding blocking switch the 1st engine slot, and slot 2 engine represents causing of insert molding blocking switch the 2nd engine slot.It should be noted that, slot 1 engine and slot 2 engine are on all four in the design of hardware circuit, and the position of just inserting is different.The circuit of DCMI part and other parts can be divided in each block engine.The circuit of the DCMI part provided in the embodiment of the present invention, can comprise CPLD (Complex Programmable Logic Device, referred to as: CPLD).CPLD is a kind of digital integrated circuit needing constitutive logic function according to user, and logic function is in embodiments of the present invention described in detail in rear extended meeting herein.
Here it should be noted that, power module can be connected on modular switch by power supply backplane, and slot 1 engine and slot 2 engine can be connected on modular switch by System Backplane.
Under a kind of execution mode, the structural representation of the power-supplying circuit of the DCMI that the embodiment of the present invention two as shown in Figure 4 provides, active control unit can comprise first and to power on control chip; This first control chip that powers on comprises input, output and Enable Pin.First input of control chip that powers on is connected with the output of standby voltage, and output is connected with the DCMI on primary administration module, Enable Pin according to the control signal of programmable logic device, the conducting in first time period of control input end and output.And/or standby control unit can comprise second and to power on control chip; This second control chip that powers on comprises input, output and Enable Pin.Second input of control chip that powers on is connected with the output of standby voltage, and output is connected with the DCMI in standby management module, Enable Pin according to the control signal of programmable logic device, control input end and output conducting within the second time period.
In embodiments of the present invention, first to power on the LTC41 circuit diagram that control chip can be, but not limited to adopt the embodiment of the present invention two as shown in Figure 5 to provide.Easing up in this common enable control that powers on powers in control chip LTC41, and when ON pin is high level, be in conducting state, standby voltage can arrive the DCMI of primary administration module; When ON pin is low level, be in off state, standby voltage cannot arrive the DCMI of primary administration module.Physical circuit shown in composition graphs 5, those skilled in the art are known, and ON pin is No. 2 pins in Fig. 5, and be connected with the programmable logic device in the present embodiment, Vin is connected to standby voltage, and Vout is connected to the DCMI of primary administration module.This programmable logic device in first time period for the Enable Pin that first powers on control chip provides high level, for the second Enable Pin powering on control chip provides low level; In the second time period for the Enable Pin that first powers on control chip provides low level, for the second Enable Pin powering on control chip provides high level.Certainly, because the embodiment of the present invention is only carry out the first explanation powering on control chip for LTC41 circuit, but not in order to limit providing of the control signal of programmable logic device, if first control chip that powers on uses other forms of circuit, programmable logic device can also in first time period for the Enable Pin that first powers on control chip provides low level, for the second Enable Pin powering on control chip provides high level; In the second time period for the Enable Pin that first powers on control chip provides high level, for the second Enable Pin powering on control chip provides low level.Second powers on LTC41 circuit that control chip can be, but not limited to adopt as shown in Figure 5.Detailed content with reference to the description of the control chip that powers on about first, can not repeat herein.
On the basis of the execution mode shown in Fig. 4, the structural representation of the power-supplying circuit of the DCMI that the embodiment of the present invention three as shown in Figure 6 provides, this active control unit can also comprise the first diode, the positive pole of this first diode is connected with the first output powering on control chip, and negative pole is connected with the DCMI on primary administration module.And/or standby control unit can also comprise the second diode, the positive pole of this second diode is connected with the second output powering on control chip, and negative pole is connected with the DCMI in standby management module.First diode and the second diode effectively can ensure the unilateral conductivity of electric current.
On the basis of the execution mode shown in Fig. 4, the structural representation of the power-supplying circuit of the DCMI that the embodiment of the present invention four as shown in Figure 7 provides, this active control unit can also comprise the first switching device, this first switching device be connected to programmable logic device and first power on control chip Enable Pin between, can the control signal for controlling programmable logic device be passed to the first Enable Pin powering on control chip.And/or, standby control unit can also comprise second switch device, this second switch device be connected to programmable logic device and second power on control chip Enable Pin between, can the control signal for controlling programmable logic device be passed to the second Enable Pin powering on control chip.
On the basis of the execution mode shown in Fig. 7, the structural representation of the power-supplying circuit of DCMI that theres is provided of the embodiment of the present invention five as shown in Figure 8, the above-mentioned programmable logic device mentioned can comprise the first programmable logic device and the second programmable logic device.This first programmable logic device is arranged at the inside of primary administration module, and the second programmable logic device is arranged at standby management module inside.First switching device can comprise input, output and Enable Pin, and second switch device can comprise input, output and Enable Pin.First switching device and second switch device are all the conductings coming between control input end and output by the control signal in respective Enable Pin.The model of the first switching device and second switch device can be optocoupler, also can be metal-oxide-semiconductor, or other, those skilled in the art can select flexibly according to actual conditions, do not limit here.This first programmable logic device exports control signal to the Enable Pin of the first switching device, and the second programmable logic device exports control signal to the input of the first switching device.Second programmable logic device exports control signal to the Enable Pin of second switch device, and the first programmable logic device exports control signal to the input of second switch device.
Here the output signal of the output of the first switching device is referred to as to there is perception (present) signal, whether that inserts for primary administration module perception standby management module exists signal.The default conditions of the first switching device, not power-up state are all opened.The opening and closing of the first switching device are all controlled by the DCMI be connected with its Enable Pin.Because the angle of drawing of programmable logic device is high-impedance state in default situations, therefore, the present signal of the first switching device is driven high in default situations.So in the present embodiment, giving tacit consent to this present signal is Low level effective.Also namely when the DCMI on primary administration module controls the Enable Pin of the first switching device, first switching device is closed, so, when the input signal of the input end of the first switching device is low level, illustrate that primary administration module perceives standby management module and is inserted in slot.
In like manner, the output signal of the output of second switch device is also referred to as to there is perception (present) signal here, whether that inserts for the primary administration module of standby management module perception exists signal.The default conditions of second switch device, not power-up state are all opened.The opening and closing of second switch device are all controlled by the DCMI be connected with its Enable Pin.Because the angle of drawing of programmable logic device is high-impedance state in default situations, therefore, the present signal of second switch device is driven high in default situations.So in the present embodiment, giving tacit consent to this present signal is Low level effective.Also namely when the DCMI in standby management module controls the Enable Pin of second switch device, second switch device is closed, when so the input signal of the input of second switch device is low level, illustrate that standby management module perceives primary administration module and is inserted in slot.
Certainly, also control signal can be exported to the Enable Pin of second switch device by the first programmable logic device, second programmable logic device exports control signal to the input of second switch device, second programmable logic device exports control signal to the Enable Pin of the first switching device, and the first programmable logic device exports control signal to the input of the first switching device.Above-described embodiment is only described for the previous case, but not in order to limit the scope of the invention.
Above-mentioned this design, existing programmable logic device in multiplexing primary administration module and standby management module, can reduce the input of hardware cost.Simultaneously, two existing programmable logic devices are the first switching device and second switch device provides signal, cooperate with each other, accurately provide control signal, effectively ensure that first time period provides standby voltage, in the second time period for standby management module provides standby voltage for primary administration module.
On the basis of the execution mode shown in above-mentioned each figure, the structural representation of the power-supplying circuit of the DCMI that the embodiment of the present invention six as shown in Figure 9 provides, active control unit can also comprise the first pull-up resistor, and this first pull-up resistor is arranged on first and powers between the input of control chip and Enable Pin.And/or standby control unit can also comprise the second pull-up resistor, this second pull-up resistor is arranged on second and powers between the input of control chip and Enable Pin.The Main Function of the first pull-up resistor and the second pull-up resistor is all present signal to be pulled to high level.
On the basis of above-mentioned execution mode, the structural representation of the power-supplying circuit of the DCMI that the embodiment of the present invention seven as shown in Figure 10 provides, this active control unit can also comprise the first electric pressure converter, the input of this first electric pressure converter is connected with the output of system voltage, output is connected with the DCMI on primary administration module, and this first electric pressure converter is supplied to the DCMI on primary administration module after system voltage is converted to the voltage equal with standby voltage.And/or, standby control unit can also comprise the second electric pressure converter, the input of this second electric pressure converter is connected with the output of system voltage, output is connected with the DCMI in standby management module, and this second electric pressure converter is supplied to the DCMI in standby management module after system voltage is converted to the voltage equal with standby voltage.Wherein, in embodiments of the present invention, the first electric pressure converter and the second electric pressure converter can be all voltage transformation module on plate.Further, this active control unit can also comprise the 3rd diode, and the positive level of the 3rd diode is connected with the output of the first electric pressure converter, and negative pole is connected with the DCMI on primary administration module; And/or standby control unit also comprises the 4th diode, the positive pole of the 4th diode is connected with the output of the second electric pressure converter, and negative pole is connected with the DCMI in standby management module.
In the present embodiment, the negative pole of the first diode and the 3rd diode can link together, and is then connected to the DCMI on primary administration module.The object of these two diodes is used to be carry out redundancy to the standby voltage of system voltage conversion and the standby voltage of reality.As long as there is any one voltage to exist, DCMI just has electricity, and can not interfere with each other between these two voltages, can carry out seamless switching.
In like manner, the negative pole of the second diode and the 4th diode links together, and is then connected to the DCMI in standby management module.The object of these two diodes is used to be carry out redundancy to the standby voltage of system voltage conversion and the standby voltage of reality.As long as there is any one voltage to exist, DCMI just has electricity, and can not interfere with each other between these two voltages, can carry out seamless switching.
The structural representation of the modular switch with double engines provided for the embodiment of the present invention eight shown in Figure 11 below, is described in detail the working method of the power-supplying circuit of the DCMI that the embodiment of the present invention provides.One is divided into following seven kinds of situations:
The first situation is, only has slot 1 engine in place.In this case, if modular switch is in holding state, in power module, just only have standby voltage to power.The CPLD pin of slot 2 engine exports high level, the CPLD of slot 1 engine controls the first switch device conductive, thus the present signal ensureing slot 1 engine is high level, therefore, first control chip conducting, the DCMI of slot 1 engine uses standby voltage to power.After the control pin control system voltage of power module exports, other circuit parts of slot 1 engine adopt system voltage to power.
The second situation is, only has slot 2 engine in place.In this case, if modular switch is in holding state, in power module, just only have standby voltage to power.Slot 1 engine is not in place, and the CPLD of slot 2 controls the not conducting of second switch device, ensures that the present signal of slot 2 engine is high level, and therefore, the second control chip conducting, the DCMI of slot 2 engine uses standby voltage to power.After the control pin control system voltage of power module exports, other circuit parts of slot 2 engine adopt system voltage to power.
The third situation is, in place the while of slot 1 engine and slot 2 engine.In this case, if modular switch is in holding state, in power module, just only have standby voltage to power.The CPLD pin of slot 2 engine exports high level, the CPLD of slot 1 engine controls the first switch device conductive, thus the present signal ensureing slot 1 engine is high level, therefore, first control chip conducting, the DCMI of slot 1 engine uses stand-by power supply to power.Because slot 1 engine is in place, the ground wire output low level of slot 1 engine (also namely can be understood as the CPLD of slot 1 engine), the CPLD of slot 2 engine controls second switch break-over of device, so the present signal of slot 2 engine is low level, second control chip disconnects, and the DCMI of slot 2 engine does not power.After the control pin control system voltage of power module exports, DCMI and other circuit parts of slot 2 engine all adopt system voltage to power.
4th kind of situation is that slot 1 engine is in place, then inserts slot 2 engine.In this case, before insertion, identical with the first situation; After insertion, identical with the third situation.
5th kind of situation is that slot 2 engine is in place, then inserts slot 1 engine.In this case, before insertion, identical with the second situation; After insertion, identical with the third situation.
6th kind of situation is, slot 1 engine and slot 2 engine slot simultaneously, extracts slot 1 engine.In this case, before extracting, identical with the third situation; After extracting, identical with the second situation.
7th kind of situation is, slot 1 engine and slot 2 engine slot simultaneously, extracts slot 2 engine.In this case, before extracting, identical with the third situation; After extracting, identical with the first situation.
Once there is the situation of an engine failure, the working method of the power-supplying circuit of the DCMI that the embodiment of the present invention provides can be: if the engine has gone wrong in slot 2, then the DCMI module of slot 1 engine still has power supply, and the long-range power-on and power-off controlling functions of DCMI is unaffected.If the engine has gone wrong in slot 1, then the present signal of slot 1 engine can be dragged down by the CPLD drawn oneself up by slot 2 engine, and DCMI and the standby voltage of slot 1 engine disconnect.Second switch device is closed by the CPLD of slot 2 engine simultaneously, and the present signal of the second control chip is driven high, and the DCMI of slot 2 engine is powered by standby voltage, still normally can realize long-range power-on and power-off control power supply unaffected.
By the analysis of above-mentioned working method, can know, the scheme that the embodiment of the present invention provides, at any time, standby voltage powers all only to the DCMI of an engine, can energy efficient effectively when standby; Secondly, as long as there is standby voltage to deposit in case, have at least a DCMI to be power supply in modular switch, user can carry out remote operation by this DCMI; 3rd, after system voltage work, the effect with redundancy with double engines, plugs the exception that any engine all can not cause modular switch.
The embodiment of the present invention also comprises a kind of modularized equipment, and this modularized equipment comprises the power module and administration module that are connected to each other by backboard, and power module exports stand-by power supply and system power supply, and administration module comprises primary administration module and standby management module.Further, the power-supplying circuit as the DCMI provided in above-described embodiment can also be comprised.Owing to being described in detail this modularized equipment in above-described embodiment, so do not repeat.
One of ordinary skill in the art will appreciate that: all or part of step realizing above-mentioned each embodiment of the method can have been come by the hardware that program command is relevant.Aforesaid program can be stored in a computer read/write memory medium.This program, when performing, performs the step comprising above-mentioned each embodiment of the method; And aforesaid storage medium comprises: ROM, RAM, magnetic disc or CD etc. various can be program code stored medium.
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a power-supplying circuit of data center's management interface DCMI, is characterized in that, described power-supplying circuit is connected between power module and administration module; Described power module exports standby voltage and system voltage; Described administration module comprises primary administration module and standby management module; Described power-supplying circuit comprises: for controlling the active control unit that primary administration module is powered, and for controlling the standby control unit that standby management module is powered;
Described active control unit is that DCMI on primary administration module powers for controlling described standby voltage in first time period; Described standby control unit is that DCMI in standby management module powers for controlling described standby voltage in the second time period; Described first time period did not overlap each other with described second time period.
2. power-supplying circuit according to claim 1, is characterized in that, described active control unit comprises first and to power on control chip; Described first input of control chip that powers on is connected with the output of standby voltage, described first output powering on control chip is connected with the DCMI on described primary administration module, described first powers on the Enable Pin of control chip according to the control signal of programmable logic device, controls described first and to power on the input of control chip and output conducting in first time period;
And/or,
Described standby control unit comprises second and to power on control chip; Described second input of control chip that powers on is connected with the output of standby voltage, and the described second output powering on control chip is connected with the DCMI in described standby management module; Described second powers on the Enable Pin of control chip according to the control signal of programmable logic device, controls described second and to power on the input of control chip and output conducting within the second time period.
3. power-supplying circuit according to claim 2, is characterized in that, when described active control unit comprise first power on control chip and described standby control unit comprise second power on control chip time;
Described programmable logic device in first time period for described first Enable Pin powering on control chip provides high level, for described second Enable Pin powering on control chip provides low level; In the second time period for described first Enable Pin powering on control chip provides low level, for described second Enable Pin powering on control chip provides high level;
Or,
Described programmable logic device in first time period for described first Enable Pin powering on control chip provides low level, for described second Enable Pin powering on control chip provides high level; In the second time period for described first Enable Pin powering on control chip provides high level, for described second Enable Pin powering on control chip provides low level.
4. power-supplying circuit according to claim 2, it is characterized in that, described active control unit also comprises the first diode, the positive pole of described first diode is connected with described first output powering on control chip, and the negative pole of described first diode is connected with the DCMI on described primary administration module;
And/or,
Described standby control unit also comprises the second diode, and the positive pole of described second diode is connected with described second output powering on control chip, and the negative pole of described second diode is connected with the DCMI in described standby management module.
5. power-supplying circuit according to claim 2, is characterized in that, described active control unit also comprises the first switching device; Described first switching device be connected to described programmable logic device and described first power on control chip Enable Pin between, can the control signal for controlling described programmable logic device be passed to the described first Enable Pin powering on control chip;
And/or,
Described standby control unit also comprises second switch device; Described second switch device be connected to described programmable logic device and described second power on control chip Enable Pin between, can the control signal for controlling described programmable logic device be passed to the described second Enable Pin powering on control chip.
6. power-supplying circuit according to claim 5, is characterized in that, described programmable logic device comprises the first programmable logic device and the second programmable logic device; It is inner that described first programmable logic device is arranged at described primary administration module; It is inner that described second programmable logic device is arranged at described standby management module; Described first switching device comprises input, output and Enable Pin; Second switch device comprises input, output and Enable Pin;
Described first programmable logic device exports control signal to the Enable Pin of the first switching device, and described second programmable logic device exports control signal to the input of the first switching device; Described second programmable logic device exports control signal to the Enable Pin of second switch device, and described first programmable logic device exports control signal to the input of second switch device;
Or described first programmable logic device exports control signal to the Enable Pin of second switch device, described second programmable logic device exports control signal to the input of second switch device; Described second programmable logic device exports control signal to the Enable Pin of the first switching device, and described first programmable logic device exports control signal to the input of the first switching device.
7. power-supplying circuit according to claim 6, is characterized in that, described active control unit comprises the first pull-up resistor; Described first pull-up resistor is arranged on described first and powers between the input of control chip and Enable Pin, and described first pull-up resistor is used for the Enable Pin signal of the first described switching device to be pulled to high level;
And/or,
Described standby control unit comprises the second pull-up resistor; Described second pull-up resistor is arranged on described second and powers between the input of control chip and Enable Pin, and described second pull-up resistor is used for the Enable Pin signal of described second switch device to be pulled to high level.
8. the power-supplying circuit according to any one of claim 2 to 7, it is characterized in that, described active control unit also comprises the first electric pressure converter, the input of described first electric pressure converter is connected with the output of described system voltage, the output of described first electric pressure converter is connected with the DCMI on described primary administration module, and described first electric pressure converter is supplied to the DCMI on described primary administration module after described system voltage is converted to the voltage equal with described standby voltage;
And/or,
Described standby control unit also comprises the second electric pressure converter, the input of described second electric pressure converter is connected with the output of described system voltage, the output of described second electric pressure converter is connected with the DCMI in described standby management module, and described second electric pressure converter is supplied to the DCMI in described standby management module after described system voltage is converted to the voltage equal with described standby voltage.
9. power-supplying circuit according to claim 8, it is characterized in that, described active control unit also comprises the 3rd diode, the positive pole of described 3rd diode is connected with the output of described first electric pressure converter, and the negative pole of described 3rd diode is connected with the DCMI on described primary administration module;
And/or,
Described standby control unit also comprises the 4th diode, and the positive pole of described 4th diode is connected with the output of described second electric pressure converter, and the negative pole of described 4th diode is connected with the DCMI in described standby management module.
10. a modularized equipment, comprises the power module and administration module that are connected to each other by backboard, and described power module exports standby voltage and system voltage; Described administration module comprises primary administration module and standby management module; It is characterized in that, also comprise the power-supplying circuit of data center management interface DCMI as claimed in any one of claims 1-9 wherein.
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| CN201210337805.6A CN102916817B (en) | 2012-09-12 | 2012-09-12 | Power supply control circuit and modular equipment of data center manageability interface (DCMI) |
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Address after: Cangshan District of Fuzhou City, Fujian province 350002 Jinshan Road No. 618 Garden State Industrial Park 19 floor Patentee after: RUIJIE NETWORKS CO., LTD. Address before: Cangshan District of Fuzhou City, Fujian province 350002 Jinshan Road No. 618 Garden State Industrial Park 19 floor Patentee before: Fujian Xingwangruijie Network Co., Ltd. |