CN104682725A - Control method and control circuit for standby power consumption of power supply module and power supply module - Google Patents
Control method and control circuit for standby power consumption of power supply module and power supply module Download PDFInfo
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- CN104682725A CN104682725A CN201310616264.5A CN201310616264A CN104682725A CN 104682725 A CN104682725 A CN 104682725A CN 201310616264 A CN201310616264 A CN 201310616264A CN 104682725 A CN104682725 A CN 104682725A
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000012544 monitoring process Methods 0.000 claims abstract description 32
- 230000009977 dual effect Effects 0.000 claims description 60
- 238000004891 communication Methods 0.000 claims description 14
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 238000012937 correction Methods 0.000 abstract description 3
- 238000002955 isolation Methods 0.000 abstract 4
- 101150085905 DCP2 gene Proteins 0.000 description 5
- 101100031494 Schizosaccharomyces pombe (strain 972 / ATCC 24843) psu1 gene Proteins 0.000 description 5
- 101100422754 Schizosaccharomyces pombe (strain 972 / ATCC 24843) sui1 gene Proteins 0.000 description 5
- 230000004044 response Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/0003—Details of control, feedback or regulation circuits
- H02M1/0032—Control circuits allowing low power mode operation, e.g. in standby mode
- H02M1/0035—Control circuits allowing low power mode operation, e.g. in standby mode using burst mode control
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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
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
- Rectifiers (AREA)
Abstract
The invention relates to the field of power supply modules and discloses a control method and a control circuit for standby power consumption of a power supply module and the power supply module. The method comprises the steps of adding a voltage isolation converting circuit in the power supply module, closing a PFC (power factor correction) circuit and a DC/DC (direct current) converter firstly respectively by primary and secondary side DSP (digital signal processor) chips after the power supply module receives a standby command sent by a monitoring module, then outputting an enable signal to the voltage isolation converting circuit by the secondary side DSP chip, triggering the voltage isolation converting circuit to work and enabling the voltage isolation converting circuit to output a control signal to control a primary side auxiliary supply to be closed, so the standby power consumption of the power supply module can be effectively reduced.
Description
Technical field
The present invention relates to power module field, be specifically related to a kind of control method and circuit, power module of power module stand-by power consumption.
Background technology
In power module field, power module has stand-by power consumption index request, and wherein, when the stand-by power consumption of power module is less, power module competitiveness is commercially also higher.At present, industry adopts control circuit to control the stand-by power consumption of power module usually, to reduce the stand-by power consumption of power module better.
In control circuit as shown in Figure 1, Active PFC (the Power Factor Correct ion of each power module (i.e. PSU1 and PSU2), PFC) after circuit input ac voltage, can output dc voltage to DC-DC (DC/DC) converter, this direct voltage can be reverse into by this DC/DC converter and stablize controlled direct voltage, and export busbar; Wherein, after the former limit auxiliary source input ac voltage of each power module (i.e. PSU1 and PSU2), this alternating voltage is converted to applicable former limit DSP(Digital Signal Processing) supply power voltage of chip, input former limit dsp chip and power; And, this alternating voltage is converted to the supply power voltage of applicable secondary dsp chip, an input of input dual input or door; The direct voltage that the DC/DC converter that the secondary auxiliary source of each power module (i.e. PSU1 and PSU2) inputs this power module exports or after receiving on busbar direct voltage, direct voltage can be converted to the supply power voltage of applicable secondary dsp chip, another input of input dual input or door, wherein, the supply power voltage input secondary dsp chip of former limit auxiliary source or secondary auxiliary source can be powered by dual input or door; After the secondary dsp chip of each power module (i.e. PSU1 and PSU2) receives the standby command that monitoring module issues, standby command can be notified former limit dsp chip, pfc circuit and DC/DC converter are closed respectively by control signal by former limit dsp chip, secondary dsp chip, only leave auxiliary source work, to reach the object of the stand-by power consumption reducing power module.
But find in practice, in control circuit shown in Fig. 1, the former limit auxiliary source of power module (i.e. PSU1 and PSU2) is the input port power taking from power module, secondary auxiliary source is the output port power taking from DC/DC converter, therefore the stand-by power consumption of power module is all almost the power consumption of former limit auxiliary source, makes the stand-by power consumption of power module very large.
Summary of the invention
The embodiment of the invention discloses a kind of control method and circuit, power module of power module stand-by power consumption, effectively can reduce the stand-by power consumption of power module.
Embodiment of the present invention first aspect discloses a kind of control method of power module stand-by power consumption, comprising:
The pfc circuit of described power module receives the alternating voltage of input, and output dc voltage is to the DC/DC converter of described power module; This DC voltage conversion becomes to stablize controlled direct voltage by described DC/DC converter, and exports busbar;
The former limit auxiliary source of described power module receives the alternating voltage of input, and described alternating voltage is converted to the supply power voltage of the former limit dsp chip of applicable described power module, and inputs described former limit dsp chip and power; And, described alternating voltage is converted to the supply power voltage of the secondary dsp chip of applicable described power module, and input the dual input of described power module or an input of door; After the secondary auxiliary source of described power module receives direct voltage that described DC/DC converter exports or receives the direct voltage on busbar, the supply power voltage described direct voltage being converted to applicable described secondary dsp chip inputs the dual input of described power module or another input of door; The supply power voltage of former limit auxiliary source or described secondary auxiliary source described in the described dual input of described power module or goalkeeper inputs described secondary dsp chip and powers;
The described secondary dsp chip of described power module receives the standby command that monitoring module issues, and described standby command is notified described former limit dsp chip; Described former limit dsp chip, described secondary dsp chip respond described standby command respectively and send a control signal to described pfc circuit and described DC/DC converter, to close described pfc circuit and described DC/DC converter;
The voltage isolated variable circuit of described power module receives direct voltage that described DC/DC converter exports or the direct voltage received on busbar is powered, and respond the enable signal startup work of described secondary dsp chip input, and export the auxiliary source closedown of control signal control described former limit.
In the first possible implementation of embodiment of the present invention first aspect, the voltage isolated variable circuit of described power module exports the auxiliary source closedown of control signal control described former limit and comprises:
The voltage isolated variable circuit of described power module outputs control signals to the switching device be connected between described former limit auxiliary source and the ac voltage input mouth of described power module, to control the connection between the described switching device described former limit auxiliary source of disconnection and the ac voltage input mouth of described power module, thus control the auxiliary source closedown of described former limit.
In the implementation that the second of embodiment of the present invention first aspect is possible, the voltage isolated variable circuit of described power module exports the auxiliary source closedown of control signal control described former limit and comprises:
The voltage isolated variable circuit of described power module outputs control signals to described former limit auxiliary source, reduces with the enable signal level controlling described former limit auxiliary source, thus controls the auxiliary source closedown of described former limit.
Embodiment of the present invention second aspect discloses a kind of control circuit of power module stand-by power consumption, comprise monitoring module, busbar and at least one power module, described power module comprises pfc circuit, DC/DC converter, former limit dsp chip, secondary dsp chip, dual input or door, former limit auxiliary source, secondary auxiliary source and voltage isolated variable circuit, wherein:
The input of described pfc circuit is in order to input ac voltage, and the output of described pfc circuit connects the input of described DC/DC converter, and after described pfc circuit receives alternating voltage, output dc voltage is to described DC/DC converter; The output of described DC/DC converter connects described busbar, the power input of described secondary auxiliary source and the power input of described voltage isolated variable circuit, and described DC voltage conversion becomes stablize controlled direct voltage and exported by output by described DC/DC converter;
The input of described former limit auxiliary source is in order to input described alternating voltage, first power supply output of described former limit auxiliary source is connected with the energization input of described former limit dsp chip, second power supply output of described former limit auxiliary source is connected with an input of described dual input or door, described alternating voltage is converted to the supply power voltage of applicable described former limit dsp chip by described former limit auxiliary source, and is powered by the energization input input described former limit dsp chip of described former limit dsp chip; And, described alternating voltage is converted to the supply power voltage of applicable described secondary dsp chip, and input an input of described dual input or door;
The power supply output of described secondary auxiliary source connects another input of described dual input or door, after described secondary auxiliary source receives by power input direct voltage that described DC/DC converter exports or receives the direct voltage on busbar, the supply power voltage described direct voltage being converted to applicable described secondary dsp chip inputs another input of described dual input or door; The output of described dual input or door connects the energization input of described secondary dsp chip, powers in order to the supply power voltage of described former limit auxiliary source or described secondary auxiliary source is inputted described secondary dsp chip;
The command input end of described secondary dsp chip is connected with the order output terminal of described monitoring module, and the order output terminal of described secondary dsp chip connects the command input end of described former limit dsp chip, the control signal output of described secondary dsp chip connects the control signal input of described DC/DC converter, the control signal output of described former limit dsp chip connects the control signal input of described pfc circuit, described secondary dsp chip receives the standby command that described monitoring module issues, and described standby command is notified described former limit dsp chip; Described former limit dsp chip, described secondary dsp chip respond described standby command respectively and send a control signal to described pfc circuit and described DC/DC converter, to close described pfc circuit and described DC/DC converter;
The enable signal input of described voltage isolated variable circuit connects the enable signal output of described secondary dsp chip, described voltage isolated variable circuit receives by power input direct voltage that described DC/DC converter exports or the direct voltage received on busbar is powered, and respond the enable signal startup work of described secondary dsp chip input, and export the auxiliary source closedown of control signal control described former limit.
In the first possible implementation of embodiment of the present invention second aspect, be connected by switching device between described former limit auxiliary source and the ac voltage input mouth of described power module, described voltage isolated variable circuit exports the auxiliary source closedown of control signal control described former limit and comprises:
The control signal output port of described voltage isolated variable circuit connects described derailing switch, described voltage isolated variable circuit outputs control signals to described switching device, to control the connection between the described switching device described former limit auxiliary source of disconnection and the ac voltage input mouth of described power module, thus control the auxiliary source closedown of described former limit.
In the implementation that the second of embodiment of the present invention second aspect is possible, the enable signal port of described former limit auxiliary source connects the control signal output port of described voltage isolated variable circuit, and described voltage isolated variable circuit exports the auxiliary source closedown of control signal control described former limit and comprises:
Described voltage isolated variable circuit outputs control signals to the enable signal port of described former limit auxiliary source, reduces with the enable signal level controlling described former limit auxiliary source, thus controls the auxiliary source closedown of described former limit.
The embodiment of the present invention third aspect discloses a kind of power module, comprises pfc circuit, DC/DC converter, former limit dsp chip, secondary dsp chip, dual input or door, former limit auxiliary source, secondary auxiliary source and voltage isolated variable circuit, wherein:
The input of described pfc circuit is in order to input ac voltage, and the output of described pfc circuit connects the input of described DC/DC converter, and after described pfc circuit receives alternating voltage, output dc voltage is to described DC/DC converter; The output of described DC/DC converter is in order to connect busbar and to connect the power input of described secondary auxiliary source and the power input of described voltage isolated variable circuit, and described DC voltage conversion becomes stablize controlled direct voltage and exported by output by described DC/DC converter;
The input of described former limit auxiliary source is in order to input described alternating voltage, first power supply output of described former limit auxiliary source is connected with the energization input of described former limit dsp chip, second power supply output of described former limit auxiliary source is connected with an input of described dual input or door, described alternating voltage is converted to the supply power voltage of applicable described former limit dsp chip by described former limit auxiliary source, and is powered by the energization input input described former limit dsp chip of described former limit dsp chip; And, described alternating voltage is converted to the supply power voltage of applicable described secondary dsp chip, and input an input of described dual input or door;
The power supply output of described secondary auxiliary source connects another input of described dual input or door, after described secondary auxiliary source receives by power input direct voltage that described DC/DC converter exports or receives the direct voltage on busbar, the supply power voltage described direct voltage being converted to applicable described secondary dsp chip inputs another input of described dual input or door; The output of described dual input or door connects the energization input of described secondary dsp chip, powers in order to the supply power voltage of described former limit auxiliary source or described secondary auxiliary source is inputted described secondary dsp chip;
The command input end of described secondary dsp chip is in order to connect the order output terminal of described monitoring module, and the order output terminal of described secondary dsp chip connects the command input end of described former limit dsp chip, the control signal output of described secondary dsp chip connects the control signal input of described DC/DC converter, the control signal output of described former limit dsp chip connects the control signal input of described pfc circuit, the standby command that described secondary dsp chip issues in order to receive described monitoring module, and described standby command is notified described former limit dsp chip; Described former limit dsp chip, described secondary dsp chip respond described standby command respectively and send a control signal to described pfc circuit and described DC/DC converter, to close described pfc circuit and described DC/DC converter;
The enable signal input of described voltage isolated variable circuit connects the enable signal output of described secondary dsp chip, described voltage isolated variable circuit receives by power input direct voltage that described DC/DC converter exports or the direct voltage received on busbar is powered, and respond the enable signal startup work of described secondary dsp chip input, and export the auxiliary source closedown of control signal control described former limit.
In the first possible implementation of the embodiment of the present invention third aspect, be connected by switching device between described former limit auxiliary source and the ac voltage input mouth of described power module, described voltage isolated variable circuit exports the auxiliary source closedown of control signal control described former limit and comprises:
The control signal output port of described voltage isolated variable circuit connects described derailing switch, described voltage isolated variable circuit outputs control signals to described switching device, to control the connection between the described switching device described former limit auxiliary source of disconnection and the ac voltage input mouth of described power module, thus control the auxiliary source closedown of described former limit.
In the implementation that the second of the embodiment of the present invention third aspect is possible, the enable signal port of described former limit auxiliary source connects the control signal output port of described voltage isolated variable circuit, and described voltage isolated variable circuit exports the auxiliary source closedown of control signal control described former limit and comprises:
Described voltage isolated variable circuit outputs control signals to the enable signal port of described former limit auxiliary source, reduces with the enable signal level controlling described former limit auxiliary source, thus controls the auxiliary source closedown of described former limit.
Embodiment of the present invention fourth aspect discloses a kind of communication equipment, comprise the control circuit of power module stand-by power consumption disclosed in embodiment of the present invention second aspect, wherein, the busbar that the control circuit of described power module stand-by power consumption comprises is connected with the energization input of supply module that needs in described communication equipment.
In the embodiment of the present invention, a voltage isolated variable circuit can be increased in power module inside, after power module receives the standby command that monitoring module issues, pfc circuit and DC/DC converter are first closed by former and deputy limit dsp chip respectively, then voltage isolated variable circuit is outputed enable signal to by secondary dsp chip, trigger voltage isolated variable circuit working, make voltage isolated variable circuit can export control signal and control the auxiliary source closedown of former limit, thus effectively can reduce the stand-by power consumption of power module.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structure chart of the control circuit of a kind of power module stand-by power consumption of the prior art;
Fig. 2 is the structure chart of the control circuit of a kind of power module stand-by power consumption disclosed in the embodiment of the present invention;
Fig. 3 is the structure chart of the control circuit of another kind of power module stand-by power consumption disclosed in the embodiment of the present invention;
Fig. 4 is the structure chart of a kind of power module disclosed in the embodiment of the present invention;
Fig. 5 is the structure chart of another kind of power module disclosed in the embodiment of the present invention;
Fig. 6 is the structure chart of a kind of communication equipment disclosed in the embodiment of the present invention;
Fig. 7 is the structure chart of another kind of communication equipment disclosed in the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The embodiment of the invention discloses a kind of control method and circuit, power module of power module stand-by power consumption, effectively can reduce the stand-by power consumption of power module.Below be described in detail respectively.
Refer to Fig. 2, Fig. 2 is the structure chart of the control circuit of a kind of power module stand-by power consumption disclosed in the embodiment of the present invention.As shown in Figure 2, the control circuit of this power module stand-by power consumption can comprise:
Monitoring module 20, busbar 21 and at least one power module 22, wherein, power module 22 comprises pfc circuit 221, DC/DC converter 222, former limit dsp chip 223, secondary dsp chip 224, dual input or door 225, former limit auxiliary source 226, secondary auxiliary source 227 and voltage isolated variable circuit 228, wherein:
The input of pfc circuit 221 is in order to input ac voltage, and the output of pfc circuit 221 connects the input of DC/DC converter 222, and after pfc circuit 221 receives alternating voltage, output dc voltage is to DC/DC converter 222;
The output of DC/DC converter 222 connects busbar 21, the power input of secondary auxiliary source 227 and the power input of voltage isolated variable circuit 228, and DC voltage conversion becomes stablize controlled direct voltage and exported by output by DC/DC converter 222;
The input of former limit auxiliary source 226 is in order to input ac voltage, first power supply output terminals A of former limit auxiliary source 226 is connected with the energization input of former limit dsp chip 223, second power supply output B of former limit auxiliary source 226 is connected with an input of dual input or door 225, alternating voltage is converted to the supply power voltage of applicable former limit dsp chip 223 by former limit auxiliary source 226, and inputs former limit dsp chip 223 by the energization input of former limit dsp chip 223 and power; And, alternating voltage is converted to the supply power voltage of applicable secondary dsp chip 224, and input an input of dual input or door 225;
The power supply output of secondary auxiliary source 227 connects another input of dual input or door 225, direct voltage is converted to the supply power voltage input dual input of applicable secondary dsp chip 224 or another input of door 225 after receiving by power input direct voltage that DC/DC converter 222 exports or receiving the direct voltage on busbar 21 by secondary auxiliary source 227; The output of dual input or door 225 connects the energization input of secondary dsp chip 224, in order to be powered by the supply power voltage of former limit auxiliary source 226 or secondary auxiliary source 227 input secondary dsp chip 224;
The command input end of secondary dsp chip 224 is connected with the order output terminal of monitoring module 20, and the order output terminal of secondary dsp chip 224 connects the command input end of former limit dsp chip 223, the control signal output of secondary dsp chip 224 connects the control signal input of DC/DC converter 222, the control signal output of former limit dsp chip 223 connects the control signal input of pfc circuit 221, secondary dsp chip 224 receives the standby command that monitoring module 20 issues, and standby command is notified former limit dsp chip 223; Former limit dsp chip 223, secondary dsp chip 224 respond standby command respectively and send a control signal to pfc circuit 221 and DC/DC converter 222, to close pfc circuit 221 and DC/DC converter 222;
The enable signal input of voltage isolated variable circuit 228 connects the enable signal output of secondary dsp chip 224, voltage isolated variable circuit 228 receives by power input direct voltage that DC/DC converter 222 exports or the direct voltage received on busbar 21 is powered, and the enable signal startup work that response secondary dsp chip 224 inputs, and export control signal and control former limit auxiliary source and close.
As the optional execution mode of one, in the control circuit shown in Fig. 2, be connected by switching device 229 between former limit auxiliary source 226 and the ac voltage input mouth S of power module, voltage isolated variable circuit 228 exports control signal and controls former limit auxiliary source 226 and close and comprise:
The control signal output port connecting valve device 229 of voltage isolated variable circuit 228, voltage isolated variable circuit 228 outputs control signals to switching device 229, connection between the ac voltage input mouth S disconnecting former limit auxiliary source 226 and power module with control switch device 229, thus control former limit auxiliary source 226 and close.
In the embodiment of the present invention, power factor correction refers to the relation between effective power and total power consumption (apparent power), and namely effective power is divided by the ratio of total power consumption (apparent power).Pfc circuit 221 is generally made up of passive equipment such as diode, resistance, electric capacity and inductance.
In the embodiment of the present invention, a fixing DC voltage conversion can be stablize controlled direct voltage by DC/DC converter 222.
In the control circuit described by Fig. 2, a voltage isolated variable circuit can be increased in power module inside, after power module receives the standby command that monitoring module issues, pfc circuit and DC/DC converter are first closed by former and deputy limit dsp chip respectively, then voltage isolated variable circuit is outputed enable signal to by secondary dsp chip, trigger voltage isolated variable circuit working, make voltage isolated variable circuit can export control signal and control the auxiliary source closedown of former limit, thus effectively can reduce the stand-by power consumption of power module.
Refer to Fig. 3, Fig. 3 is the structure chart of the control circuit of another kind of power module stand-by power consumption disclosed in the embodiment of the present invention.As shown in Figure 3, the control circuit of this power module stand-by power consumption can comprise:
Monitoring module 20, busbar 21 and at least one power module 22, wherein, power module 22 comprises pfc circuit 221, DC/DC converter 222, former limit dsp chip 223, secondary dsp chip 224, dual input or door 225, former limit auxiliary source 226, secondary auxiliary source 227 and voltage isolated variable circuit 228, wherein:
The input of pfc circuit 221 is in order to input ac voltage, and the output of pfc circuit 221 connects the input of DC/DC converter 222, and after pfc circuit 221 receives alternating voltage, output dc voltage is to DC/DC converter 222;
The output of DC/DC converter 222 connects busbar 21, the power input of secondary auxiliary source 227 and the power input of voltage isolated variable circuit 228, and DC voltage conversion becomes stablize controlled direct voltage and exported by output by DC/DC converter 222;
The input of former limit auxiliary source 226 is in order to input ac voltage, first power supply output terminals A of former limit auxiliary source 226 is connected with the energization input of former limit dsp chip 223, second power supply output B of former limit auxiliary source 226 is connected with an input of dual input or door 225, alternating voltage is converted to the supply power voltage of applicable former limit dsp chip 223 by former limit auxiliary source 226, and inputs former limit dsp chip 223 by the energization input of former limit dsp chip 223 and power; And, alternating voltage is converted to the supply power voltage of applicable secondary dsp chip 224, and input an input of dual input or door 225;
The power supply output of secondary auxiliary source 227 connects another input of dual input or door 225, direct voltage is converted to the supply power voltage input dual input of applicable secondary dsp chip 224 or another input of door 225 after receiving by power input direct voltage that DC/DC converter 222 exports or receiving the direct voltage on busbar 21 by secondary auxiliary source 227; The output of dual input or door 225 connects the energization input of secondary dsp chip 224, in order to be powered by the supply power voltage of former limit auxiliary source 226 or secondary auxiliary source 227 input secondary dsp chip 224;
The command input end of secondary dsp chip 224 is connected with the order output terminal of monitoring module 20, and the order output terminal of secondary dsp chip 224 connects the command input end of former limit dsp chip 223, the control signal output of secondary dsp chip 224 connects the control signal input of DC/DC converter 222, the control signal output of former limit dsp chip 223 connects the control signal input of pfc circuit 221, secondary dsp chip 224 receives the standby command that monitoring module 20 issues, and standby command is notified former limit dsp chip 223; Former limit dsp chip 223, secondary dsp chip 224 respond standby command respectively and send a control signal to pfc circuit 221 and DC/DC converter 222, to close pfc circuit 221 and DC/DC converter 222;
The enable signal input of voltage isolated variable circuit 228 connects the enable signal output of secondary dsp chip 224, voltage isolated variable circuit 228 receives by power input direct voltage that DC/DC converter 222 exports or the direct voltage received on busbar 21 is powered, and the enable signal startup work that response secondary dsp chip 224 inputs, and export control signal and control former limit auxiliary source and close.
As the optional execution mode of one, in the control circuit shown in Fig. 3, the enable signal port of former limit auxiliary source 226 connects the control signal output port of voltage isolated variable circuit 228, and voltage isolated variable circuit 228 exports control signal and controls former limit auxiliary source 226 and close and comprise:
Voltage isolated variable circuit 228 outputs control signals to the enable signal port of former limit auxiliary source 226, reduces, thus control former limit auxiliary source 226 and close with the enable signal level controlling former limit auxiliary source 226.
In the control circuit described by Fig. 3, a voltage isolated variable circuit can be increased in power module inside, after power module receives the standby command that monitoring module issues, pfc circuit and DC/DC converter are first closed by former and deputy limit dsp chip respectively, then voltage isolated variable circuit is outputed enable signal to by secondary dsp chip, trigger voltage isolated variable circuit working, make voltage isolated variable circuit can export control signal and control the auxiliary source closedown of former limit, thus effectively can reduce the stand-by power consumption of power module.
Refer to Fig. 4, Fig. 4 is the structure chart of a kind of power module disclosed in the embodiment of the present invention.As shown in Figure 4, this power module can comprise:
Pfc circuit 401, DC/DC converter 402, former limit dsp chip 403, secondary dsp chip 404, dual input or door 405, former limit auxiliary source 406, secondary auxiliary source 407 and voltage isolated variable circuit 408, wherein:
The input of pfc circuit 401 is in order to input ac voltage, and the output of pfc circuit 401 connects the input of DC/DC converter 402, and after pfc circuit 401 receives alternating voltage, output dc voltage is to DC/DC converter 402;
The output of DC/DC converter 402 is in order to connect busbar and to connect the power input of secondary auxiliary source 407 and the power input of voltage isolated variable circuit 408, and DC voltage conversion becomes stablize controlled direct voltage and exported by output by DC/DC converter 402;
The input of former limit auxiliary source 406 is in order to input ac voltage, first power supply output of former limit auxiliary source 406 is connected with the energization input of former limit dsp chip 403, second power supply output of former limit auxiliary source 406 is connected with an input of dual input or door 405, alternating voltage is converted to the supply power voltage of applicable former limit dsp chip 403 by former limit auxiliary source 406, and inputs former limit dsp chip 403 by the energization input of former limit dsp chip 403 and power; And, alternating voltage is converted to the supply power voltage of applicable secondary dsp chip 404, and input an input of dual input or door 405;
The power supply output of secondary auxiliary source 407 connects another input of dual input or door 405, direct voltage is converted to the supply power voltage input dual input of applicable secondary dsp chip 404 or another input of door 405 after receiving by power input direct voltage that DC/DC converter 402 exports or receiving the direct voltage on busbar by secondary auxiliary source 407; The output of dual input or door 405 connects the energization input of secondary dsp chip 404, in order to be powered by the supply power voltage of former limit auxiliary source 406 or secondary auxiliary source 407 input secondary dsp chip 404;
The command input end of secondary dsp chip 404 is in order to connect the order output terminal of monitoring module, and the order output terminal of secondary dsp chip 404 connects the command input end of former limit dsp chip 403, the control signal output of secondary dsp chip 404 connects the control signal input of DC/DC converter 402, the control signal output of former limit dsp chip 403 connects the control signal input of pfc circuit 401, the standby command that secondary dsp chip 404 issues in order to receive monitoring module, and standby command is notified former limit dsp chip 403; Former limit dsp chip 403, secondary dsp chip 404 respond standby command respectively and send a control signal to pfc circuit 401 and DC/DC converter 402, to close pfc circuit 401 and DC/DC converter 402;
The enable signal input of voltage isolated variable circuit 408 connects the enable signal output of secondary dsp chip 404, voltage isolated variable circuit 408 receives by power input direct voltage that DC/DC converter 402 exports or the direct voltage received on busbar is powered, and the enable signal startup work that response secondary dsp chip 404 inputs, and export control signal and control former limit auxiliary source 406 and close.
As the optional execution mode of one, in the power module shown in Fig. 4, be connected by switching device 409 between former limit auxiliary source 406 and the ac voltage input mouth S of power module, voltage isolated variable circuit 408 exports control signal and controls former limit auxiliary source 406 and close and comprise:
The control signal output port connecting valve device 409 of voltage isolated variable circuit 408, voltage isolated variable circuit 408 outputs control signals to switching device 409, connection between the ac voltage input mouth S disconnecting former limit auxiliary source 406 and power module with control switch device 409, thus control former limit auxiliary source 406 and close.
In the power module described by Fig. 4, a voltage isolated variable circuit can be increased in power module inside, after power module receives the standby command that monitoring module issues, pfc circuit and DC/DC converter are first closed by former and deputy limit dsp chip respectively, then voltage isolated variable circuit is outputed enable signal to by secondary dsp chip, trigger voltage isolated variable circuit working, make voltage isolated variable circuit can export control signal and control the auxiliary source closedown of former limit, thus effectively can reduce the stand-by power consumption of power module.
Refer to Fig. 5, Fig. 5 is the structure chart of another kind of power module disclosed in the embodiment of the present invention.As shown in Figure 5, this power module can comprise:
Pfc circuit 401, DC/DC converter 402, former limit dsp chip 403, secondary dsp chip 404, dual input or door 405, former limit auxiliary source 406, secondary auxiliary source 407 and voltage isolated variable circuit 408, wherein:
The input of pfc circuit 401 is in order to input ac voltage, and the output of pfc circuit 401 connects the input of DC/DC converter 402, and after pfc circuit 401 receives alternating voltage, output dc voltage is to DC/DC converter 402;
The output of DC/DC converter 402 is in order to connect busbar and to connect the power input of secondary auxiliary source 407 and the power input of voltage isolated variable circuit 408, and DC voltage conversion becomes stablize controlled direct voltage and exported by output by DC/DC converter 402;
The input of former limit auxiliary source 406 is in order to input ac voltage, first power supply output of former limit auxiliary source 406 is connected with the energization input of former limit dsp chip 403, second power supply output of former limit auxiliary source 406 is connected with an input of dual input or door 405, alternating voltage is converted to the supply power voltage of applicable former limit dsp chip 403 by former limit auxiliary source 406, and inputs former limit dsp chip 403 by the energization input of former limit dsp chip 403 and power; And, alternating voltage is converted to the supply power voltage of applicable secondary dsp chip 404, and input an input of dual input or door 405;
The power supply output of secondary auxiliary source 407 connects another input of dual input or door 405, direct voltage is converted to the supply power voltage input dual input of applicable secondary dsp chip 404 or another input of door 405 after receiving by power input direct voltage that DC/DC converter 402 exports or receiving the direct voltage on busbar by secondary auxiliary source 407; The output of dual input or door 405 connects the energization input of secondary dsp chip 404, in order to be powered by the supply power voltage of former limit auxiliary source 406 or secondary auxiliary source 407 input secondary dsp chip 404;
The command input end of secondary dsp chip 404 is in order to connect the order output terminal of monitoring module, and the order output terminal of secondary dsp chip 404 connects the command input end of former limit dsp chip 403, the control signal output of secondary dsp chip 404 connects the control signal input of DC/DC converter 402, the control signal output of former limit dsp chip 403 connects the control signal input of pfc circuit 401, the standby command that secondary dsp chip 404 issues in order to receive monitoring module, and standby command is notified former limit dsp chip 403; Former limit dsp chip 403, secondary dsp chip 404 respond standby command respectively and send a control signal to pfc circuit 401 and DC/DC converter 402, to close pfc circuit 401 and DC/DC converter 402;
The enable signal input of voltage isolated variable circuit 408 connects the enable signal output of secondary dsp chip 404, voltage isolated variable circuit 408 receives by power input direct voltage that DC/DC converter 402 exports or the direct voltage received on busbar is powered, and the enable signal startup work that response secondary dsp chip 404 inputs, and export control signal and control former limit auxiliary source 406 and close.
As the optional execution mode of one, in the power module shown in Fig. 5, the enable signal port of former limit auxiliary source 406 connects the control signal output port of voltage isolated variable circuit 408, and voltage isolated variable circuit 408 exports control signal and controls former limit auxiliary source 406 and close and comprise:
Voltage isolated variable circuit 408 outputs control signals to the enable signal port of former limit auxiliary source 406, reduces, thus control former limit auxiliary source 406 and close with the enable signal level controlling former limit auxiliary source 406.
In the power module described by Fig. 5, a voltage isolated variable circuit can be increased in power module inside, after power module receives the standby command that monitoring module issues, pfc circuit and DC/DC converter are first closed by former and deputy limit dsp chip respectively, then voltage isolated variable circuit is outputed enable signal to by secondary dsp chip, trigger voltage isolated variable circuit working, make voltage isolated variable circuit can export control signal and control the auxiliary source closedown of former limit, thus effectively can reduce the stand-by power consumption of power module.
Refer to Fig. 6, Fig. 6 is the structure chart of a kind of communication equipment disclosed in the embodiment of the present invention.As shown in Figure 6, this communication equipment can comprise the control circuit of the power module stand-by power consumption shown in Fig. 2, and wherein, the busbar that the control circuit of power module stand-by power consumption comprises is connected with the energization input of supply module that needs in communication equipment.Wherein, supply module is needed to comprise radio-frequency module.
Refer to Fig. 7, Fig. 7 is the structure chart of another kind of communication equipment disclosed in the embodiment of the present invention.As shown in Figure 7, this communication equipment can comprise the control circuit of the power module stand-by power consumption shown in Fig. 3, and wherein, the busbar that the control circuit of power module stand-by power consumption comprises is connected with the energization input of supply module that needs in communication equipment, wherein, supply module is needed to comprise radio-frequency module.
Wherein, in the communication equipment described by Fig. 6, Fig. 7, power module inside can increase a voltage isolated variable circuit, after power module receives the standby command that monitoring module issues, pfc circuit and DC/DC converter are first closed by former and deputy limit dsp chip respectively, then voltage isolated variable circuit is outputed enable signal to by secondary dsp chip, trigger voltage isolated variable circuit working, make voltage isolated variable circuit can export control signal and control the auxiliary source closedown of former limit, thus effectively can reduce the stand-by power consumption of power module.
The control method of the embodiment of the present invention also disclosed a kind of power module stand-by power consumption.The method can comprise the following steps:
The pfc circuit of A, power module receives the alternating voltage of input, and output dc voltage is to the DC/DC converter of power module; This DC voltage conversion becomes to stablize controlled direct voltage by DC/DC converter, and exports busbar;
The former limit auxiliary source of B, power module receives the alternating voltage of input, and alternating voltage is converted to the supply power voltage of the former limit dsp chip of applicable power module, and inputs former limit dsp chip and power; And, alternating voltage is converted to the supply power voltage of the secondary dsp chip of applicable power module, and an input of the dual input of input power module or door; Direct voltage is converted to the dual input of the supply power voltage input power module of applicable secondary dsp chip or another input of door after receiving direct voltage that DC/DC converter exports or receiving the direct voltage on busbar by the secondary auxiliary source of power module; The supply power voltage input secondary dsp chip of the dual input of power module or goalkeeper's former limit auxiliary source or secondary auxiliary source is powered;
The secondary dsp chip of C, power module receives the standby command that monitoring module issues, and standby command is notified former limit dsp chip; Former limit dsp chip, secondary dsp chip respond standby command respectively and send a control signal to pfc circuit and DC/DC converter, to close pfc circuit and DC/DC converter;
Direct voltage or the direct voltage received on busbar of the voltage isolated variable circuit reception DC/DC converter output of D, power module are powered, and the enable signal startup work of response secondary dsp chip input, and export control signal and control former limit auxiliary source and close.
In one embodiment, the voltage isolated variable circuit of power module exports control signal and controls former limit auxiliary source and close and comprise:
The voltage isolated variable circuit of power module outputs control signals to the switching device be connected between former limit auxiliary source and the ac voltage input mouth of power module, connection between the ac voltage input mouth disconnecting former limit auxiliary source and power module with control switch device, thus control former limit auxiliary source and close.
In another embodiment, the voltage isolated variable circuit of power module exports control signal and controls former limit auxiliary source and close and comprise:
The voltage isolated variable circuit of power module outputs control signals to former limit auxiliary source, reduces with the enable signal level controlling former limit auxiliary source, thus controls the auxiliary source closedown of former limit.
In the control method of a kind of power module stand-by power consumption disclosed in the embodiment of the present invention, power module inside can increase a voltage isolated variable circuit, after power module receives the standby command that monitoring module issues, former, pfc circuit and DC/DC converter are first closed by secondary dsp chip respectively, then voltage isolated variable circuit is outputed enable signal to by secondary dsp chip, trigger voltage isolated variable circuit working, make voltage isolated variable circuit can export control signal and control the auxiliary source closedown of former limit, thus effectively can reduce the stand-by power consumption of power module.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment is that the hardware that can carry out instruction relevant by program has come, this program can be stored in a computer-readable recording medium, storage medium can comprise: flash disk, read-only memory (Read-Only Memory, ROM), random access device (Random Access Memory, RAM), disk or CD etc.
Above the control method of a kind of power module stand-by power consumption disclosed in the embodiment of the present invention and circuit, power module, communication equipment are described in detail, apply specific case herein to set forth principle of the present invention and execution mode, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (10)
1. a control method for power module stand-by power consumption, is characterized in that, comprising:
The Active PFC pfc circuit of described power module receives the alternating voltage of input, and output dc voltage is to the DC-DC DC/DC converter of described power module; This DC voltage conversion becomes to stablize controlled direct voltage by described DC/DC converter, and exports busbar;
The former limit auxiliary source of described power module receives the alternating voltage of input, and described alternating voltage is converted to the supply power voltage of the former limit dsp chip of applicable described power module, and inputs described former limit dsp chip and power; And, described alternating voltage is converted to the supply power voltage of the secondary dsp chip of applicable described power module, and input the dual input of described power module or an input of door; After the secondary auxiliary source of described power module receives direct voltage that described DC/DC converter exports or receives the direct voltage on busbar, the supply power voltage described direct voltage being converted to applicable described secondary dsp chip inputs the dual input of described power module or another input of door; The supply power voltage of former limit auxiliary source or described secondary auxiliary source described in the described dual input of described power module or goalkeeper inputs described secondary dsp chip and powers;
The described secondary dsp chip of described power module receives the standby command that monitoring module issues, and described standby command is notified described former limit dsp chip; Described former limit dsp chip, described secondary dsp chip respond described standby command respectively and send a control signal to described pfc circuit and described DC/DC converter, to close described pfc circuit and described DC/DC converter;
The voltage isolated variable circuit of described power module receives direct voltage that described DC/DC converter exports or the direct voltage received on busbar is powered, and respond the enable signal startup work of described secondary dsp chip input, and export the auxiliary source closedown of control signal control described former limit.
2. method according to claim 1, is characterized in that, the voltage isolated variable circuit of described power module exports the auxiliary source closedown of control signal control described former limit and comprises:
The voltage isolated variable circuit of described power module outputs control signals to the switching device be connected between described former limit auxiliary source and the ac voltage input mouth of described power module, to control the connection between the described switching device described former limit auxiliary source of disconnection and the ac voltage input mouth of described power module, thus control the auxiliary source closedown of described former limit.
3. method according to claim 1, is characterized in that, the voltage isolated variable circuit of described power module exports the auxiliary source closedown of control signal control described former limit and comprises:
The voltage isolated variable circuit of described power module outputs control signals to described former limit auxiliary source, reduces with the enable signal level controlling described former limit auxiliary source, thus controls the auxiliary source closedown of described former limit.
4. the control circuit of a power module stand-by power consumption, it is characterized in that, comprise monitoring module, busbar and at least one power module, described power module comprises Active PFC pfc circuit, DC-DC DC/DC converter, former limit dsp chip, secondary dsp chip, dual input or door, former limit auxiliary source, secondary auxiliary source and voltage isolated variable circuit, wherein:
The input of described pfc circuit is in order to input ac voltage, and the output of described pfc circuit connects the input of described DC/DC converter, and after described pfc circuit receives alternating voltage, output dc voltage is to described DC/DC converter; The output of described DC/DC converter connects described busbar, the power input of described secondary auxiliary source and the power input of described voltage isolated variable circuit, and described DC voltage conversion becomes stablize controlled direct voltage and exported by output by described DC/DC converter;
The input of described former limit auxiliary source is in order to input described alternating voltage, first power supply output of described former limit auxiliary source is connected with the energization input of described former limit dsp chip, second power supply output of described former limit auxiliary source is connected with an input of described dual input or door, described alternating voltage is converted to the supply power voltage of applicable described former limit dsp chip by described former limit auxiliary source, and is powered by the energization input input described former limit dsp chip of described former limit dsp chip; And, described alternating voltage is converted to the supply power voltage of applicable described secondary dsp chip, and input an input of described dual input or door;
The power supply output of described secondary auxiliary source connects another input of described dual input or door, after described secondary auxiliary source receives by power input direct voltage that described DC/DC converter exports or receives the direct voltage on busbar, the supply power voltage described direct voltage being converted to applicable described secondary dsp chip inputs another input of described dual input or door; The output of described dual input or door connects the energization input of described secondary dsp chip, powers in order to the supply power voltage of described former limit auxiliary source or described secondary auxiliary source is inputted described secondary dsp chip;
The command input end of described secondary dsp chip is connected with the order output terminal of described monitoring module, and the order output terminal of described secondary dsp chip connects the command input end of described former limit dsp chip, the control signal output of described secondary dsp chip connects the control signal input of described DC/DC converter, the control signal output of described former limit dsp chip connects the control signal input of described pfc circuit, described secondary dsp chip receives the standby command that described monitoring module issues, and described standby command is notified described former limit dsp chip; Described former limit dsp chip, described secondary dsp chip respond described standby command respectively and send a control signal to described pfc circuit and described DC/DC converter, to close described pfc circuit and described DC/DC converter;
The enable signal input of described voltage isolated variable circuit connects the enable signal output of described secondary dsp chip, described voltage isolated variable circuit receives by power input direct voltage that described DC/DC converter exports or the direct voltage received on busbar is powered, and respond the enable signal startup work of described secondary dsp chip input, and export the auxiliary source closedown of control signal control described former limit.
5. control circuit according to claim 4, it is characterized in that, be connected by switching device between described former limit auxiliary source and the ac voltage input mouth of described power module, described voltage isolated variable circuit exports the auxiliary source closedown of control signal control described former limit and comprises:
The control signal output port of described voltage isolated variable circuit connects described derailing switch, described voltage isolated variable circuit outputs control signals to described switching device, to control the connection between the described switching device described former limit auxiliary source of disconnection and the ac voltage input mouth of described power module, thus control the auxiliary source closedown of described former limit.
6. control circuit according to claim 4, it is characterized in that, the enable signal port of described former limit auxiliary source connects the control signal output port of described voltage isolated variable circuit, and described voltage isolated variable circuit exports the auxiliary source closedown of control signal control described former limit and comprises:
Described voltage isolated variable circuit outputs control signals to the enable signal port of described former limit auxiliary source, reduces with the enable signal level controlling described former limit auxiliary source, thus controls the auxiliary source closedown of described former limit.
7. a power module, it is characterized in that, comprise Active PFC pfc circuit, DC-DC DC/DC converter, former limit dsp chip, secondary dsp chip, dual input or door, former limit auxiliary source, secondary auxiliary source and voltage isolated variable circuit, wherein:
The input of described pfc circuit is in order to input ac voltage, and the output of described pfc circuit connects the input of described DC/DC converter, and after described pfc circuit receives alternating voltage, output dc voltage is to described DC/DC converter; The output of described DC/DC converter is in order to connect busbar and to connect the power input of described secondary auxiliary source and the power input of described voltage isolated variable circuit, and described DC voltage conversion becomes stablize controlled direct voltage and exported by output by described DC/DC converter;
The input of described former limit auxiliary source is in order to input described alternating voltage, first power supply output of described former limit auxiliary source is connected with the energization input of described former limit dsp chip, second power supply output of described former limit auxiliary source is connected with an input of described dual input or door, described alternating voltage is converted to the supply power voltage of applicable described former limit dsp chip by described former limit auxiliary source, and is powered by the energization input input described former limit dsp chip of described former limit dsp chip; And, described alternating voltage is converted to the supply power voltage of applicable described secondary dsp chip, and input an input of described dual input or door;
The power supply output of described secondary auxiliary source connects another input of described dual input or door, after described secondary auxiliary source receives by power input direct voltage that described DC/DC converter exports or receives the direct voltage on busbar, the supply power voltage described direct voltage being converted to applicable described secondary dsp chip inputs another input of described dual input or door; The output of described dual input or door connects the energization input of described secondary dsp chip, powers in order to the supply power voltage of described former limit auxiliary source or described secondary auxiliary source is inputted described secondary dsp chip;
The command input end of described secondary dsp chip is in order to connect the order output terminal of described monitoring module, and the order output terminal of described secondary dsp chip connects the command input end of described former limit dsp chip, the control signal output of described secondary dsp chip connects the control signal input of described DC/DC converter, the control signal output of described former limit dsp chip connects the control signal input of described pfc circuit, the standby command that described secondary dsp chip issues in order to receive described monitoring module, and described standby command is notified described former limit dsp chip; Described former limit dsp chip, described secondary dsp chip respond described standby command respectively and send a control signal to described pfc circuit and described DC/DC converter, to close described pfc circuit and described DC/DC converter;
The enable signal input of described voltage isolated variable circuit connects the enable signal output of described secondary dsp chip, described voltage isolated variable circuit receives by power input direct voltage that described DC/DC converter exports or the direct voltage received on busbar is powered, and respond the enable signal startup work of described secondary dsp chip input, and export the auxiliary source closedown of control signal control described former limit.
8. power module according to claim 7, it is characterized in that, be connected by switching device between described former limit auxiliary source and the ac voltage input mouth of described power module, described voltage isolated variable circuit exports the auxiliary source closedown of control signal control described former limit and comprises:
The control signal output port of described voltage isolated variable circuit connects described derailing switch, described voltage isolated variable circuit outputs control signals to described switching device, to control the connection between the described switching device described former limit auxiliary source of disconnection and the ac voltage input mouth of described power module, thus control the auxiliary source closedown of described former limit.
9. power module according to claim 7, it is characterized in that, the enable signal port of described former limit auxiliary source connects the control signal output port of described voltage isolated variable circuit, and described voltage isolated variable circuit exports the auxiliary source closedown of control signal control described former limit and comprises:
Described voltage isolated variable circuit outputs control signals to the enable signal port of described former limit auxiliary source, reduces with the enable signal level controlling described former limit auxiliary source, thus controls the auxiliary source closedown of described former limit.
10. a communication equipment, it is characterized in that, comprise the control circuit of the power module stand-by power consumption described in any one of claim 4 ~ 6, wherein, the busbar that the control circuit of described power module stand-by power consumption comprises is connected with the energization input of supply module that needs in described communication equipment.
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| CN201310616264.5A CN104682725B (en) | 2013-11-27 | 2013-11-27 | The control method and circuit, power module of a kind of power module stand-by power consumption |
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| CN104682725B (en) | 2017-07-28 |
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